CN210838297U

CN210838297U - Locking mechanism and electric connector

Info

Publication number: CN210838297U
Application number: CN201921804732.0U
Authority: CN
Inventors: 林雷明
Original assignee: Cixi Dingli Plastic & Rubber Co ltd
Current assignee: Cixi Dingli Plastic & Rubber Co ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-06-23
Anticipated expiration: 2029-10-24

Abstract

The utility model discloses a locking mechanical system and electric connector, including first connecting piece and the second connecting piece of butt joint mutually, make the lug in the switching between the primary importance and the second place of gomphosis portion through rotating the lock release sleeve, realize two connecting piece epaxial locking and unblocks, simplified the operation of locking with the unblock, promoted the efficiency when connecting.

Description

Locking mechanism and electric connector

Technical Field

The utility model belongs to the technical field of electrically conductive connecting device's technique and specifically relates to a locking mechanical system and electric connector are related to.

Background

The electric connector is a common component in lighting, electronic and communication engineering, and is used for communicating a blocked part or an isolated and impassable circuit in the circuit to electrify the circuit so as to realize a preset function.

In order to improve the waterproof property of the electric connector, a waterproof connector appears on the market, for example, a waterproof connector is disclosed in the utility model patent with the publication number of CN205429267U, and the waterproof sealing is realized by adding a plurality of sealing rings when the male and female connectors are butted. This waterproof connector is when using, public first inner core and female first inner core block of each other for the contact pin that is fixed in public first inner core and the plug bush block of each other that is fixed in female first inner core, contact pin and plug bush all with the connection of electric lines, finally realize switching on of circuit.

In the waterproof connector structure, after the male inner core and the female inner core are mutually clamped, the male inner core and the female inner core are not easy to separate due to certain drawing force when not subjected to overlarge external acting force. Meanwhile, in order to better reduce the situation that the two parts are separated, a locking part, namely a female head outer sleeve, is additionally arranged. After the male connector and the female connector are mutually clamped, the female outer sleeve is in threaded connection with the male connector, the female connector is coated, and therefore mutual separation of the male inner core and the female inner core is well avoided. Although the locking mode can improve the firmness of the male and female connectors after connection, the locking operation is complex, and the connection efficiency is reduced to a certain extent.

SUMMERY OF THE UTILITY MODEL

A first object of the present invention is to provide a locking mechanism which is fast and convenient to lock and unlock.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a locking mechanism, comprising:

the first connecting piece comprises a first inserting section and a lock releasing sleeve which surrounds the outer wall of the first inserting section and can rotate relative to the first inserting section, and a gap is reserved between the lock releasing sleeve and the outer wall of the first inserting section to form an inserting area; and

the second connecting piece is provided with a second plugging section of which one end can be plugged in the plugging area;

the inner wall of the lock releasing sleeve is provided with at least one lug which is arranged in the insertion area, the outer wall of the second insertion section is provided with at least one embedding part, the embedding part comprises a first position and a second position, the first position and the second position are used for clamping the lug, the lug can be switched between the first position and the second position, and when the lug is located at the first position, the first connecting piece and the second connecting piece are in an axial locking state; when the lug is at the second position, the first connecting piece can axially displace relative to the second connecting piece.

By adopting the technical scheme, when the first connecting piece and the second connecting piece are connected in a butt-plugging manner, the second plugging section enters the plugging area, and the primary connection of the first connecting piece and the second connecting piece is realized. The embedding part is provided with two positions for clamping the convex block, the two positions respectively correspond to a first position of an axial locking position and a second position of an axial unlocking position of the first connecting piece and the second connecting piece, when the first connecting piece and the second connecting piece are locked and unlocked, the convex block is switched between the first position and the second position by rotating the unlocking sleeve, so that the axial locking and unlocking of the first connecting piece and the second connecting piece are realized, the operation is simple and convenient, and the connection efficiency is improved.

A second object of the present invention is to provide a locking mechanism which is fast and convenient to lock and unlock.

a locking mechanism, comprising:

the first sealing cover is provided with a second plugging section and a cover plate, wherein one end of the second plugging section can be plugged in the plugging area, and the cover plate is connected with the second plugging section and used for sealing the plugging area;

By adopting the technical scheme, when the first connecting piece and the first sealing cover are connected in an inserted manner, the second inserting section enters the inserting area, and the primary connection of the first connecting piece and the second connecting piece is realized. The embedding part is provided with two positions for clamping the convex block, the two positions respectively correspond to a first position of an axial locking position and a second position of an axial unlocking position of the first connecting piece and the second connecting piece, when the first connecting piece and the first sealing cover are locked and unlocked, the convex block is switched between the first position and the second position by rotating the unlocking sleeve, so that the axial locking and unlocking of the first connecting piece and the second connecting piece are realized, the operation is simple and convenient, and the connection efficiency is improved. Meanwhile, the first sealing cover is provided with a cover plate, and after the first sealing cover is connected with the first connecting piece, the plugging area can be sealed, so that the dustproof effect in the transportation process is facilitated; secondly, after the first connecting piece is connected with the wire, when the first connecting piece is not needed to be butted with the other connecting piece temporarily, the first sealing cover can play a role in safety protection.

The third object of the present invention is to provide a locking mechanism which is fast and convenient to lock and unlock.

a locking mechanism, comprising:

the second sealing cover is provided with a containing groove; and

the second connecting piece is provided with a second inserting section of which one end can be inserted into the containing groove;

the inner wall of the containing groove is provided with at least one lug, the outer wall of the second inserting section is provided with at least one embedding part, the embedding part comprises a first position and a second position, the lug is clamped with the first position and the second position, the lug can be switched between the first position and the second position, and when the lug is located at the first position, the first connecting piece and the second connecting piece are in an axial locking state; when the lug is at the second position, the first connecting piece can axially displace relative to the second connecting piece.

Through adopting above-mentioned technical scheme, when second connecting piece and second closing cap carried out the plug connection, the second grafting section entered into the accepting groove, realized the preliminary connection of second connecting piece and second closing cap. The embedding part is provided with two positions for clamping the protruding block, the two positions respectively correspond to a first position of an axial locking position and a second position of an axial unlocking position of the second connecting piece and the second sealing cover, when the second connecting piece and the second sealing cover are locked and unlocked, the protruding block is switched between the first position and the second position by rotating the second sealing cover, so that the axial locking and unlocking of the first connecting piece and the second connecting piece are realized, the operation is simple and convenient, and the connection efficiency is improved. Meanwhile, after the second connecting piece is connected with the second sealing cover, the second inserting section is accommodated in the accommodating groove, so that the dustproof effect in the transportation process is facilitated; secondly, after the second connecting piece is connected with the wire, when the second connecting piece is not needed to be butted with the other connecting piece temporarily, the second sealing cover can play a safety protection role.

Preferably, the first position is arranged in a locking groove formed in the outer wall of the second plug section; the second position is an unlocking groove which is arranged on the outer wall of the second inserting section and is adjacent to the locking groove; the second inserting section is further provided with a guide notch extending from the end face to one side of the locking groove, and the unlocking groove is provided with a guide face extending towards the end face of the second inserting section from one side.

By adopting the technical scheme, the lug is guided by the guide notch in the process of entering the locking groove, and slides into the locking groove from the end face of the second insertion section step by step, the first position is just in the locking groove, and after the lug and the locking groove are clamped, the two oppositely inserted connecting pieces are locked; and when the unlocking, the second position is in the unlocking groove of the adjacent locking groove, the lug is tripped from the locking groove and slides to the unlocking groove, and meanwhile, the lug slides towards one side of the end face of the second inserting section along the guide surface and finally is completely separated from the buckling of the unlocking groove, so that the separation of the two connecting pieces is realized, and the locking and unlocking operation is labor-saving.

Preferably, the joint of the locking groove and the unlocking groove is a guide surface with a radian.

Through adopting above-mentioned technical scheme, the lug slides to adjacent unlocking groove from the locking groove when, can follow the guide face and lead, and the lug of being convenient for switches between locking groove and unlocking groove and slides, and the more handy laborsaving of unblock operation.

Preferably, the first connecting piece further comprises an abutting ring located at the tail end of the first inserting section, a limiting ring is arranged on the outer wall of the first inserting section, a space is reserved between the limiting ring and the abutting ring to form a buckling area, the unlocking sleeve is provided with a flange extending towards the inner hole on one end surface, and the flange is clamped in the buckling area.

By adopting the technical scheme, when the lock release sleeve is connected with the first plug-in section, the flange enters the formed buckling area to realize axial limit between the lock release sleeve and the first plug-in section, and the first connecting piece can be installed with the lock release sleeve and the first connecting piece in advance before being in plug-in connection with the other connecting piece, so that the plug-in connection with the other connecting piece is more convenient.

Preferably, the flange is provided with at least one opening, and the first plug section is provided with a limiting block capable of penetrating through the opening; the inner wall of the lock releasing sleeve is provided with a first stop block and a second stop block which are spaced at a certain angle, the limiting block is arranged in a rotating area formed by the first stop block, the second stop block and the inner wall of the lock releasing sleeve in a surrounding mode, and two abutting positions of the limiting block in the rotating area respectively correspond to a first position and a second position.

By adopting the technical scheme, when the unlocking sleeve rotates relative to the first insertion section, the first stop block and the second stop block respectively serve as two abutting limit points of the limit blocks in the rotation area, so that the rotation limit of the unlocking sleeve is realized. And the positions where the limiting blocks abut against the first stop block and the second stop block are just corresponding to the first position and the second position, so that the locking and unlocking precision of the two connecting pieces is improved.

Preferably, the limiting ring is provided with a first limiting opening and a second limiting opening which are separated by a certain angle, and the inner wall of the lock releasing sleeve is provided with a bulge which can be clamped in the first limiting opening or the second limiting opening; when the protrusion is clamped in the first limiting opening or the second limiting opening, the protrusion is located at the first position or the second position.

By adopting the technical scheme, when the unlocking sleeve rotates relative to the first insertion section, the protrusion is protruded between the first limit port and the second limit port to displace, the opening positions of the first limit port and the second limit port respectively correspond to the first position and the second position, and when the protrusion is positioned on the first position or the second position, the protrusion is clamped in the first limit port or the second limit port, so that the strength of the two connecting pieces during locking is improved; meanwhile, when the protrusion is clamped into the first limiting opening or the second limiting opening, a certain sound can be generated, and the sound can be used as a prompt when the first position and the second position of the protrusion are switched in place.

A fourth object of the present invention is to provide an electrical connector which is fast and convenient to lock and unlock.

an electrical connector comprising the locking mechanism, the first connector comprising a first electrical conductor, and the second connector comprising a second electrical conductor connectable to the first electrical conductor.

By adopting the technical scheme, when the first connecting piece with the first electric conductor is in butt-plug connection with the second connecting piece with the second electric conductor, the second plug section enters the plug area, and the primary connection of the first connecting piece and the second connecting piece is realized. The embedding part is provided with two positions for clamping the convex block, the two positions respectively correspond to a first position of an axial locking position and a second position of an axial unlocking position of the first connecting piece and the second connecting piece, when the first connecting piece and the second connecting piece are locked and unlocked, the convex block is switched between the first position and the second position by rotating the unlocking sleeve, so that the axial locking and unlocking of the first connecting piece and the second connecting piece are realized, the operation is simple and convenient, and the connection efficiency is improved.

Preferably, the method further comprises the following steps:

the connecting sleeve is in threaded connection with one end of the first connecting piece and/or one end of the second connecting piece, is provided with a hollow wire passing channel and is provided with a flexible clamping jaw at the end part of the connecting sleeve; and

and the tightening nut is in threaded connection with one end of the connecting sleeve and can force the flexible clamping jaw to contract towards one side of the wire passing channel.

By adopting the technical scheme, when the electric wire is connected with the first connecting piece and the second connecting piece, the wire passing channel which can penetrate through the connecting sleeve in advance serves as a guide wire arranging function, and after the electric wire is connected with the first electric conductor and the second electric conductor, the electric wire is connected with the connecting sleeve by the tightening nut, so that the flexible clamping jaws shrink towards one side of the wire passing channel, the electric wire is further held tightly, and the connection firmness of the electric wire is improved.

To sum up, the utility model discloses a beneficial technological effect does:

1. after the first connecting piece and the second connecting piece are spliced, the lug is switched between the first position and the second position of the embedded part by rotating the unlocking sleeve, so that the two connecting pieces are locked and unlocked in the axial direction, the locking and unlocking operation is simplified, and the connecting efficiency is improved;

2. when the release lock sleeve rotates relative to the first insertion section, the first stop block and the second stop block arranged on the inner wall serve as two limit points when the limit blocks rotate, the two limit points respectively correspond to the first position and the second position, the positioning accuracy of the axial locking and unlocking state of the first connecting piece and the second connecting piece is improved, meanwhile, the first limit opening and the second limit opening protruding from the first insertion section on the inner wall of the release lock sleeve are mutually clamped, and the positioning prompting effect is achieved while the positioning accuracy is better improved.

Drawings

FIG. 1 is an exploded view of a locking mechanism according to one embodiment;

FIG. 2 is a schematic structural diagram of a release sleeve according to an embodiment;

FIG. 3 is a schematic structural diagram of a first body according to a first embodiment;

FIG. 4 is a cross-sectional view of a first connecting member according to one embodiment;

FIG. 5 is a top view of a first connector according to one embodiment;

FIG. 6 is a schematic view of the first embodiment, mainly illustrating the structure of the second connector engaging portion;

FIG. 7 is a schematic view illustrating a state of the bump entering from the first position to the second position of the engaging portion according to an embodiment of the present invention;

FIG. 8 is a schematic structural view of a lock mechanism according to a second embodiment;

FIG. 9 is an exploded view of the locking mechanism according to the second embodiment;

FIG. 10 is a schematic structural view of a lock mechanism in the third embodiment;

FIG. 11 is an exploded view of a lock structure according to a third embodiment;

FIG. 12 is a schematic structural diagram of an electrical connector according to a fourth embodiment;

FIG. 13 is an exploded view of the fourth embodiment of the electrical connector;

FIG. 14 is a schematic view illustrating a fourth exemplary embodiment of a connection between a first connection member and a second connection member;

FIG. 15 is a schematic view of the fifth embodiment of the electrical connector connected to the electrical mounting plate;

FIG. 16 is an exploded view of a sixth embodiment of an electrical connector;

fig. 17 is a schematic view illustrating the connection between the electrical connector and the electrical installation plate according to the sixth embodiment.

100/200/300, locking structure; 10. a first connecting member; 110. a first body; 111. a first plug section; 112. a limiting ring; 1121. a stop collar guide surface; 113. a limiting block; 114. a first limit port; 115. a second limit port; 116. a butting ring; 117. a fastening area; 120. releasing the lock sleeve; 121. a yielding channel; 122. a bump; 123. a flange; 1231. a flange guide surface; 1232. an opening; 124. a first stopper; 125. a second stopper; 126. a protrusion; 127. a rotation region; 130. a second connecting member; 131. a second plug section; 132. an end face; 133. a second electrical conductor; 140. a fitting portion; 141. a locking groove; 142. unlocking the groove; 143. a guide notch; 144. a notched sliding surface; 145. a guide surface; 146. a guide surface; 150. a plugging area; 160. a conductor first conductor; 210. a first cover; 211. a cover plate; 310. a second cover; 311. an accommodating groove; 400. connecting sleeves; 410. a wire passage; 420. a flexible jaw; 500. tightening the nut; 600. sealing the wire body; 700. an electrical appliance mounting plate; 800. and locking the nut.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example one

Referring to fig. 1, a locking mechanism is provided for axially locking two pairs of pluggable objects, such as various connectors, quick connectors, and plug assemblies like aviation plug and socket assemblies. Specifically, the locking mechanism includes a first connecting member 10 and a mating second connecting member 130. The first connecting member 10 includes a first body 110 and a lock releasing sleeve 120, the first body 110 has a first plug section 111 for plug connection, and the lock releasing sleeve 120 is axially limited on the first plug section 111 and can rotate relative to the second plug section 131. The second connecting member 130 includes a second plug section 131 mating with the first plug section 111, the second plug section 131 is provided with four engaging portions 140 uniformly distributed in the circumferential direction, in this embodiment, the engaging portions 140 are uniformly distributed in the circumferential direction, and the inner wall of the lock release sleeve 120 is provided with the same number of mutually engageable protrusions 122 as the engaging portions 140.

Referring to fig. 2 and 3 together, the release sleeve 120 has a hollow relief channel 121 therein, and an end face 132 of the release sleeve 120 has a flange 123 extending horizontally into the relief channel 121. The first body 110 has an abutting ring 116 at the end of the first inserting section 111, a step surface is formed between the abutting ring 116 and the outer wall of the first inserting section 111, the first inserting section 111 is further provided with a limiting ring 112 on the outer wall thereof, and a certain distance is formed between the limiting ring 112 and the abutting ring 116 to form a buckling area 117.

Referring to fig. 4, the flange 123 of the locking sleeve 120 is fastened in the fastening region 117. The release sleeve 120 is made of a material having a certain elastic deformation capability, such as PC. In order to facilitate the fastening of the flange 123, the flange 123 is provided with a flange guide surface 1231 at the outer edge of the bottom surface thereof, correspondingly, the stop collar 112 is provided with a stop collar guide surface 1121 at the outer edge of the upper end surface 132 thereof, when the flange 123 moves from the upper side of the stop collar 112 toward the side of the abutment collar 116, the flange 123 can be rapidly clamped into the fastening region 117 under the guiding action of the stop collar guide surface 1121, and after the flange 123 is fastened in the fastening region 117, the flange 123 is limited in the axial direction, and has a rotational degree of freedom in the circumferential direction at all times.

In order to limit the rotation angle of the lock releasing sleeve 120 in the circumferential direction, a limiting block 113 is further disposed on the outer wall of the first inserting section 111, and the limiting ring 112 is located on the circumference of the limiting ring 112 for convenient molding. The flange 123 of the lock releasing sleeve 120 is provided with an opening 1232 for the limiting block 113 to give way, and meanwhile, the inner wall of the lock releasing sleeve 120 is provided with a first stopper 124 and a second stopper 125 which are spaced at a certain angle, and both the first stopper 124 and the second stopper 125 are arranged on the upper end surface of the flange 123.

Referring to fig. 5, the first stopper 124 and the second stopper 125 are located on the same circumference, and the first stopper 124, the second stopper 125 and the inner wall of the release sleeve 120 jointly enclose a rotation area 127. After the lock releasing sleeve 120 is axially fastened on the first inserting section 111, the limiting block 113 is located in the rotating area 127. In this embodiment, the circumference of the limiting block 113 on the outer wall of the first inserting section 111 is provided with two, the two are separated by a certain angle, the corresponding flange 123 is provided with two openings 1232 for the limiting block 113 to give way and wear, and the first stopper 124 and the second stopper 125 on the flange 123 have two pairs. In order to facilitate the installation of the lock sleeve 120 and prevent dislocation, the two limit blocks 113 have different widths.

With reference to fig. 2 and 3, the stop ring 112 further has a first stop opening 114 and a second stop opening 115 spaced at a certain angle. The lock releasing sleeve 120 is provided with a protrusion 126 on an inner wall thereof, the protrusion 126 extends horizontally toward one side of the abdicating channel 121, and the protrusion 126 can be clamped in the first position-limiting opening 114 or the second position-limiting opening 115.

Referring to fig. 5 again, two first limiting openings 114 and two second limiting openings 115 are formed in the limiting ring 112, and two corresponding protrusions 126 are also formed.

Referring to fig. 1 and fig. 6, the engaging portion 140 has a first position and a second position for engaging the protrusion 122, the first position is disposed in the locking groove 141 on the outer wall of the second inserting section 131, and the second position is disposed in the unlocking groove 142 on the outer wall of the second inserting section 131 and adjacent to the locking groove 141.

Referring to fig. 6 and fig. 7 together, when the protrusion 122 is engaged in the locking groove 141, i.e. at the first position, both the first connecting element 10 and the second connecting element 130 are in the axial locking state; when the protrusion 122 is engaged in the unlocking slot 142, i.e. at the second position, both the first connecting member 10 and the second connecting member 130 are in the axially unlocked state. Meanwhile, in order to ensure the matching precision of the protrusion 122 at the first position and the second position, the radian of the rotating area 127 is set, and the limiting block 113 is located at two abutting positions of the first stopper 124 and the second stopper 125, which just correspond to the first position and the second position. Moreover, the angle between the first position-limiting opening 114 and the second position-limiting opening 115 is also set, and the engaging position of the protrusion 126 in the first position-limiting opening 114 and the second position-limiting opening 115 just corresponds to the first position and the second position.

The outer wall of the second inserting section 131 is further provided with a guiding notch 143 extending from the end surface 132 to one side of the locking groove 141, and the guiding notch 143 is provided with a notch sliding surface 144 at one side close to the locking groove 141, so that the protrusion 122 is guided into the locking groove 141 from the guiding notch 143. The unlocking groove 142 includes a guide surface 145 inclined upward toward the end surface 132 side. Meanwhile, in order to facilitate the cutting of the protrusion 122 from the locking groove 141 into the unlocking groove 142, a connecting portion between the locking groove 141 and the unlocking groove 142 is provided with a guide surface 146 having a certain curvature.

When the locking mechanism is used, the unlocking sleeve 120 is matched with the first main body 110 in advance, and after the unlocking sleeve 120 and the first main body are installed, an inserting area 150 for butt joint of the second inserting section 131 is formed between the abdicating port of the unlocking sleeve 120 and the outer wall of the first inserting section 111.

The first connector 10 is pre-rotated before the second connector 130 is mated with the first connector, such that the protrusion 122 is aligned with one side of the guiding notch 143 (see fig. 7). After the alignment is completed, the first connecting member 10 and the second connecting member 130 start to be abutted, and the protrusion 122 is guided into the locking groove 141 from the guiding notch 143, at this time, the first connecting member 10 and the second connecting member 130 are in an axial state.

When the first connecting member 10 and the second connecting member 130 need to be unlocked, the unlocking sleeve 120 is rotated, so that the protrusion 122 slides into the unlocking groove 142 from the locking groove 141 along the guide surface 146, and at this time, the first connecting member 10 and the second connecting member 130 are unlocked in the axial direction, and the two can move in the axial direction, thereby completing the separation.

Example two

Referring to fig. 8 and 9 together, a structure of the locking mechanism is shown, which is different from the first embodiment in that the second connecting member 130 is replaced with a first cover 210 for dust prevention and safety protection of the first connecting member 10 before the mating with the other connecting member. The first cover 210 also has a second plugging section 131 and a cover plate 211 located on one side of the second plugging section 131, and after the first cover 210 is connected to the first connector 10 in the first embodiment, the cover plate 211 completely closes the plugging area 150, thereby playing a role in safety protection and dust prevention.

EXAMPLE III

Referring to fig. 10 and 11 together, a structure of the locking mechanism is shown, which is different from the first embodiment in that the first connector 10 is replaced with a second cover 310 for dust prevention and complete protection of the second connector 130 before the mating with the counterpart connector. The second cover 310 has a receiving slot 311, and when the second cover 310 is mated with the second connector 130, the second plug section 131 enters the receiving slot 311, although according to the operation steps of the first embodiment, the second cover 310 is rotated to achieve axial locking with the second connector 130.

Example four

Referring to fig. 12 and 13, an electrical connector is provided for making an electrically conductive connection between two wires. Including the locking mechanism 100 of the first embodiment, the connecting sleeve 400 screwed to one end of the first connecting member 10 and the second connecting member 130, and the packing nut 500 screwed to one end of the connecting sleeve 400. The first connector 10 includes a first conductor 160 installed in the first body 110, the second connector 130 includes a second conductor 133 installed in the second body, and two connection sleeves 400 are respectively screwed to one ends of the first body 110 and the second body.

The connection sleeve 400 has a wire passage 410 with a hollow inside, and a flexible claw 420 is provided at one end of the connection sleeve 400. The wire sealing body 600 is accommodated in the flexible claw 420, and when the packing nut 500 is in threaded connection with the connecting sleeve 400, the flexible claw 420 gradually shrinks towards one side of the wire passage 410.

Referring to fig. 13 and 14 together, the first conductor 160 has three conductors, which correspond to the live, neutral and ground wires of the external power line, respectively. Specifically, the first conductor 160 is a socket, and the second conductor 133 and the first conductor 160 are matched to form a pin, so that the circuit is conducted after the two are butted.

EXAMPLE five

Referring to fig. 15, an electrical connector is used to achieve conductive connection between a wire and an electrical appliance, such as a lamp in the field of lighting. The specific construction is different from the fourth embodiment in that a connection sleeve 400 is threadedly connected only to the first connection member 10 or the second connection member 130. The electric wire is connected to the connector having one side of the connection sleeve 400, and one end portion of the other connector passes through the appliance mounting plate 700 to be connected to the electric wire inside the appliance and is fixed by the locking nut 800.

EXAMPLE six

Referring to fig. 16 and 17 together, an electrical connector is used to realize the electrical connection between electrical appliances. The specific construction is different from the fourth embodiment in that two connecting sleeves 400 and corresponding tightening nuts 500 are eliminated, the first connecting member 10 and the second connecting member 130 respectively penetrate through the electrical appliance mounting plates 700 to be butted, and the first connecting member 10 and the second connecting member 130 are fixed by using the locking nut 800. The butt joint method is convenient, and meanwhile, the first conductor 160 and the second conductor 133 are in plug fit with each other through the plug bushes and the pins, are in stable contact, and are suitable for butt joint between high-power electrical appliances.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A locking mechanism, comprising:

the first connecting piece (10) comprises a first plugging section (111) and a lock releasing sleeve (120) which surrounds the outer wall of the first plugging section (111) and can rotate relative to the first plugging section (111), and a gap is reserved between the lock releasing sleeve (120) and the outer wall of the first plugging section (111) to form a plugging area (150); and

a second connecting piece (130) having a second plug section (131) with one end which can be plugged into the plug region (150);

the inner wall of the lock releasing sleeve (120) is provided with at least one convex block (122) arranged in the inserting region (150), the outer wall of the second inserting section (131) is provided with at least one embedding part (140), the embedding part (140) comprises a first position and a second position, the convex block (122) is clamped with the convex block (122), the convex block (122) can be switched between the first position and the second position, and when the convex block (122) is located at the first position, the first connecting piece (10) and the second connecting piece (130) are located in an axial locking state; when the projection (122) is in the second position, the first connector (10) is axially displaceable relative to the second connector (130).

2. A locking mechanism, comprising:

a first cover (210) having a second plug section (131) with one end that can be plugged into the plug region (150) and a cover plate (211) that is connected to the second plug section (131) and closes the plug region (150);

3. The locking mechanism according to claim 1 or 2, wherein the first connector (10) further comprises an abutting ring (116) at the end of the first plug section (111), a limiting ring (112) is disposed on the outer wall of the first plug section (111), a space is left between the limiting ring (112) and the abutting ring (116) to form a buckling area (117), the lock releasing sleeve (120) has a flange (123) extending towards the inner hole on one end face (132), and the flange (123) is buckled in the buckling area (117).

4. The locking mechanism according to claim 3, characterized in that the flange (123) is provided with at least one opening (1232), the first plug section (111) being provided with a stop (113) which can pass through the opening (1232); the inner wall of the lock releasing sleeve (120) is provided with a first stop block (124) and a second stop block (125) which are spaced at a certain angle, the limiting block (113) is arranged in a rotating area (127) formed by enclosing the first stop block (124), the second stop block (125) and the inner wall of the lock releasing sleeve (120), and two abutting positions of the limiting block (113) in the rotating area (127) respectively correspond to a first position and a second position.

5. The locking mechanism according to claim 3, wherein the retainer ring (112) is provided with a first retainer opening (114) and a second retainer opening (115) which are spaced at a certain angle, and the inner wall of the lock releasing sleeve (120) is provided with a protrusion (126) which can be clamped in the first retainer opening (114) or the second retainer opening (115); when the protrusion (126) is clamped in the first limiting opening (114) or the second limiting opening (115), the bump (122) is located at the first position or the second position.

6. A locking mechanism, comprising:

the second sealing cover (310) is provided with a containing groove (311); and

a second connecting piece (130) which is provided with a second inserting section (131) with one end capable of being inserted into the containing groove (311);

the inner wall of the accommodating groove (311) is provided with at least one convex block (122), the outer wall of the second inserting section (131) is provided with at least one embedding part (140), the embedding part (140) comprises a first position and a second position, the convex block (122) is clamped with the first position and the second position, the convex block (122) can be switched between the first position and the second position, and when the convex block (122) is located at the first position, the first connecting piece (10) and the second connecting piece (130) are located in an axial locking state; when the projection (122) is in the second position, the first connector (10) is axially displaceable relative to the second connector (130).

7. The locking mechanism according to claim 1 or 2 or 6, characterized in that the first position is a locking groove (141) provided on the outer wall of the second plug section (131); the second position is an unlocking groove (142) which is arranged on the outer wall of the second inserting section (131) and is adjacent to the locking groove (141); the second plug section (131) is further provided with a guide notch (143) extending from the end face (132) to one side of the locking groove (141), and the unlocking groove (142) is provided with a guide surface (145) extending to one side of the end face (132) of the second plug section (131).

8. The locking mechanism of claim 7, wherein the connection between the locking groove (141) and the unlocking groove (142) is a guide surface (146) having a curvature.

9. An electrical connector comprising a locking mechanism (100) according to claim 1, wherein the first connector (10) comprises a first electrical conductor (160) and the second connector (130) comprises a second electrical conductor (133) connectable to the first electrical conductor (160).

10. The electrical connector of claim 9, further comprising:

a connection sleeve (400) screwed to one end of the first connection member (10) and/or the second connection member (130), the connection sleeve (400) having a hollow wire passage (410) and a flexible jaw (420) at an end of the connection sleeve (400); and

and the tightening nut (500) is in threaded connection with one end of the connecting sleeve (400) and can force the flexible claws (420) to contract towards one side of the wire passing channel (410).