JP2006302696A - Electrical connector with shutter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electrical connector with a shutter having a simplified structure by reducing the number of components.
An electrical connector having a shutter that slides in the insertion / removal direction in conjunction with the insertion / removal of a plug, wherein a convex portion is formed by curving the vicinity of a tip portion, and an elastic biasing force is applied to the convex portion. A first contact for a switch in which an elastic contact piece formed so as to be bent is integrally formed, and a fixed contact piece formed at the tip of a locking portion for locking the convex piece end of the elastic contact piece are integrally formed. The first switch contact and the second switch contact are arranged so that the protruding piece end of the elastic contact piece and the engagement portion of the fixed contact piece are engaged with each other. In addition, a protrusion is provided at one end inside the shutter, and when the plug is inserted, this protrusion presses the convex part of the elastic contact piece to prevent it from locking with the locking part of the fixed contact piece. It arrange | positions so that a state may be cancelled | released.
[Selection] Figure 2

Description

  The present invention relates to an electrical connector with a shutter in which the number of components is reduced and the structure is simplified.

In the conventional electrical connector, there is an electrical connector including a shutter that slides in the connector insertion / removal direction in conjunction with the insertion / removal of the counterpart male connector, and a switch that is turned on / off in conjunction with the insertion / removal of the counterpart connector. In the female connector 10, the shutter 20 slides in the connector insertion / removal direction in conjunction with the insertion / removal of the male connector 12 (mating connector), and the switch 14 is turned on / off in conjunction with the insertion / removal of the male connector 12. The operation body (the operation body 30 and the operation rod 34) of the switch 14 is configured to slide independently of the sliding of the shutter 20, and the male connector 12 does not slide only by the sliding of the shutter 20. A connector has been devised that includes a shutter and a switch that slides in conjunction with the insertion / extraction of the connector, and contacts and separates the contacts 28 and 32 (patent text). Reference 1).
Japanese Patent Laid-Open No. 9-63685 (page 3-4, FIG. 1)

  Similarly to the above, the electrical connector with a shutter is used for connection with a flat plug such as a USB (Universal Serial Bus) standard plug which is a general-purpose interface in an electronic device as shown in FIG. There are electrical connectors (receptacles).

  Here, a general structure of an electrical connector (receptacle) including a shutter and a switch mechanism for connecting to a flat plug will be described with reference to FIGS.

  The electrical connector with shutter shown in FIG. 3 (hereinafter referred to as an electrical connector) is formed by a shield formed by bending a metal plate that is punched into a predetermined shape on the top, bottom, left, and right of a housing in which a connector portion 20 for connecting to a plug is incorporated. Surrounded.

  As shown in FIG. 3 and FIG. 4A, the upper shield 2 covering the upper surface of the housing of the electrical connector is symmetrical with respect to the width of the shutter 30 (hereinafter referred to as the shutter width), and symmetrically from the center of the shutter width. The rectangular guide holes 2a and 2b are formed at positions approximately in the center of the lens, and the openings 2c / 2d are formed at positions closer to the front side corresponding to both ends of the shutter width outside the guide holes 2a and 2b. In addition, inclined portions 2e / 2f that are inclined downward are formed at the left and right ends on the back side.

  Further, as shown in FIGS. 3 and 4B, a plug introduction port 31 for allowing the connector 20 to appear and a notch portion 32 for causing the protrusion 51 to appear are formed on the front surface of the housing of the electrical connector. A shutter 30 is attached.

  Further, the side shield 3 and the side shield 4 that cover the side surface of the housing of the electrical connector are respectively provided with leg pieces 3a for attaching the electrical connector to a substrate or the like, as shown in FIGS. 3 and 4C, 4D. Leg pieces 4a are formed.

  Further, as shown in FIG. 4 (e), the lower surface shield 5 that covers the lower surface of the housing of the electrical connector has a fitting recess 5a, so as to be shaped so as to enter each other when the metal plate is bent and joined. The fitting convex part 5b is formed, and a substantially rectangular latching hole for latching or sliding the latching parts 37a and 37b of the shutter 30 at positions corresponding to both ends of the shutter width. 5c, 5d are formed, and at both ends of the lower shield 5, openings formed by punching the leg pieces 3a of the side shield 3 and the leg pieces 4a of the side shield 4 are formed, The opening part by the leg piece 3 and the latching hole 5c will be in the connected state.

  FIG. 5 is a diagram showing the internal structure of the housing 10. Hereinafter, with the partition 11 as a boundary, the left side of the figure is the first space for storing the switch mechanism, the right side of the figure is the connector 20 and the shutter 30, etc. Will be described as a second space for storing.

  First, the first space side will be described. In the first space, a wall surface is formed on the front and side shields 4 side, and a partition wall 12 that divides the first space into the left and right near the center is formed at a slightly lower height than the wall surface.

  In the space on the side shield 4 side (hereinafter referred to as the left space) of the partition wall 12 of the first space, a block body 13 that is continuous on the side shield 4 side and the back side is formed. The coil spring 52 for switching is stored in a space formed between the wall surface on the side shield 4 side and the partition wall 12, and one of the coil springs 52 for switch is placed in the gap between the wall surface on the side shield 4 side and the block 13. The switch coil spring 52 is erected so that the other end of the switch coil spring 52 passes over the upper part of the partition wall 12 and is located on the second space side of the partition wall 12 ( Hereinafter, it is latched by the spring latching portion 50a of the slider 50 arranged in the right space.

  On the other hand, as shown in the sectional view of FIG. 6, switch contacts 54a and 54b are attached to the bottom of the right space (second space side) of the first space, and the switch contacts 54a and 54b are connected to each other. The front end portion is attached by being narrowly inserted into a protruding portion 10a provided in parallel with the bottom portion from the bottom and front wall surfaces of the housing 10.

  The switch contacts 54 a and 54 b are formed with a convex surface that is curved upward from a portion that slightly extends from the tip end portion, and this convex surface serves as a contact surface with the movable contact 53. In addition, a leg portion is formed by bending the tip portion protruding from the housing 10.

  Further, as shown in the cross-sectional view of FIG. 6, a slider 50 having a U-shaped space having a long upper portion and a short lower portion is formed on the upper portion of the switch contacts 54 a and 54 b. In the letter-shaped space, a movable contact 53 that is curved so as to fit in this space is fitted, and a convex portion that curves downward from a portion extending from the lower portion of the space is formed. The contacts 54a and 54b are in contact with the convex surfaces.

  Further, a protrusion 51 that communicates with the second space side is continuously provided on the right side surface of the slider 50 so as to appear loosely fit in the notch 32 of the shutter 30 (FIGS. 3 and 4). a) and (b)).

  Further, as shown in FIG. 4 (f), a dustproof sheet 8 having openings for allowing the leg portions of the switch contacts 54a and 54b to appear is attached to the back surface of the first space.

  Next, the second space side will be described. The second space is formed to have a width suitable for the shutter 30, and one side surface communicates with the first space, and a protrusion 51 is provided continuously to the slider 50 disposed in the first space. It is arranged in a state of appearing from the notch 32 of the shutter 30, and the other side surface has no wall surface and the side shield 3 is fitted therein. A shutter 30 is attached to the front surface, and a plurality of contacts (terminals) 21 formed of a metal having conductivity on an insulating member or the like are formed at a predetermined pitch on the bottom to electrically connect to the plug. The arranged connector 20 is attached.

  In addition, an opening for exposing the leg portion of the contact (terminal) 21 of the connector 20 is formed in the lower portion on the back side of the second space, and the coil springs 40a and 40b are parked near the inner left and right ends. A connector mounting portion 14 formed with a spring parking portion (not shown) that is hollowed out is provided, and a part of the connector mounting portion 14 protrudes inward from the upper portion. Shaped spring deterrent / stopper portions 15a and 15b are continuously provided.

  The spring deterrent / stopper portions 15a and 15b are disposed on both the left and right ends of the upper portion of the connector mounting portion 14 so as to loosely fit the guide portions 33 provided on the shutter 30, and the stoppers 34a and 34b of the shutter 30 are provided on the upper surface portions thereof. Rectangle recesses 16a and 16b that abut are formed, and inclined portions 17a and 17b that match the inclined portions 2e / 2f of the upper surface shield 2 are formed on the outside thereof, and a spring parking portion (see FIG. (Not shown) and spring retaining portions 18a and 18b cut out on a semicircle for stopping the coil springs 40a and 40b.

  The shutter 30 is formed with a plug introduction port 31 for allowing the connector 20 to appear at the lower portion, and a notch portion 32 for exposing the protrusion 51 connected to the slider 50 on the side portion on the first space side. A guide portion 33, stoppers 34a and 34b, conical convex portions 36a and 36b, and latching portions 37a and 37b project from the wall surface (hereinafter referred to as an inner wall surface) formed inside the shutter 30 so as to protrude toward the back surface. Has been.

  The guide portion 33 is formed in a rectangular shape substantially at the center of the upper portion of the shutter 30, and when the plug is inserted, the guide portion 33 is loosely fitted between the spring restraint / stopper portion 15a and the spring restraint / stopper portion 15b.

  The stoppers 34a and 34b are formed on the upper portion of the shutter 30 at positions facing the rectangular recesses 16a and 16b of the spring restraining / stopper portions 15a and 15b. When the plug is completely inserted, the stoppers 34a and 34b are in contact with the rectangular recesses 16a and 16b. The movement of the shutter 30 is stopped in contact.

  The conical convex portions 36a and 36b are conical block bodies, and are formed in circular concave portions 35a and 35b for locking one end of coil springs 40a and 40b formed on the inner wall surface of the shutter 30. Projecting from the back to the back and formed at a position facing the spring restraint portions 18a, 18b of the spring restraining / stopper portions 15a, 15b.

  The latching portions 37a and 37b are located on the left and right sides of the plug introduction port 31 of the shutter 30, and the shutter 30 pressed by the coil springs 40a and 40b when the plug is not inserted into the latching hole of the lower shield 5. It is formed in a key shape so as to be hooked on 5c and 5d (see FIG. 4 (e)).

  The coil springs 40a and 40b are locked at one end by circular concave portions 35a and 35b and conical convex portions 36a and 36b formed on the shutter 30, and the other end is a spring parking portion (see FIG. It is stored in the second space by being abutted against and not being restrained by the spring restraining portions 18a and 18b of the spring restraining / stopper portions 15a and 15b from above.

  In the electrical connector (receptacle) having such a structure, when the plug is not inserted, as shown in FIG. 6, the convex portions of the movable contact 53 inserted into the slider 50 are the fixed contacts 54a and 54b. On the convex surface, the switch is off when the fixed contact 54a and the fixed contact 54b are connected (closed).

  When the plug is inserted into the electrical connector (receptacle) in such a state, the shutter 30 and the protrusion 51 that come into contact with the plug are pushed inward to contract the coil springs 40a and 40b, and the plug is an electrical connector (receptacle). It will be inserted inside.

  At this time, the slider 50 connected to the protruding portion 51 is also pushed into the back side in conjunction with it, and the switch coil spring 52 locked to the spring locking portion 50a of the slider 50 is pressed, whereby the slider The convex part of the movable contact 53 inserted and inserted into 50 slides on the convex surfaces of the fixed contacts 54a and 54b in the back direction.

  When the plug is further inserted, the guide part 33 of the shutter 30 is inserted between the spring restraining / stopper part 15a and the spring restraining / stopper part 15b formed on the rear surface of the housing 10, and the stoppers 34a, 34b comes into contact with the rectangular recesses 16a and 16b formed in the spring restraining / stopper portions 15a and 15b, the operation of the shutter 30 is stopped, and the plug is completely inserted.

  Further, when the plug is completely inserted, the protrusion 51 and the slider 50 connected thereto are also pressed and restrained to the back side, and the movable contact 53 inserted into the slider 50 is inserted. Of the fixed contacts 54a and 54b are disengaged from the convex surfaces of the fixed contacts 54a and 54b, the fixed contact 54a and the fixed contact 54b are disconnected (open), the switch is turned on, and the plug and the electrical connector are connected.

  On the other hand, when the plug inserted into the electrical connector is pulled out contrary to the above, the coil springs 40a and 40b extend to push the shutter 30 forward, and the switch coil spring 52 restrained by the plug moves the slider 50 to the front. By pushing back in the direction, the slider 50 and the protrusion 51 are pushed back in the front direction.

  Along with this, the movable contact 53 inserted in the slider 50 also moves in the front direction, the convex portion of the movable contact 53 abuts on the convex surfaces of the fixed contacts 54a and 54b, and is pushed up on the convex surface, and again the fixed contact. 54a and the fixed contact 54b return to the connected state (closed), and the switch is turned off.

  In this way, when the plug is inserted into and removed from the electrical connector, the shutter and slider of the electrical connector are interlocked, and the movable contact inserted into the slider is slid accordingly, thereby contacting the fixed contacts 54a and 54b. Alternatively, the switch is turned on and off by setting it to a non-contact state.

  However, the above-described electrical connector with a shutter (receptacle) requires a coil spring for a switch and a slider only for turning on and off the switch, which is costly and complicates the internal structure. Further, there is a problem that it takes time when assembling, and processing such as forming a notch in a part of the shutter is also required.

  Therefore, in the electrical connector with a shutter that turns on and off the electrical connection in conjunction with the insertion and removal of the plug, there is a problem that must be solved by simplifying the structure by reducing the number of components.

  In order to solve the above-described problems, the electrical connector with shutter according to the present invention is configured as follows.

  An electrical connector having a shutter that slides in the insertion / removal direction in conjunction with the insertion / removal of the plug, wherein a convex portion is formed by curving the vicinity of the tip portion, and a resilient biasing force is given to the convex portion. A first contact for a switch in which an elastic contact piece formed in a bent shape is integrally formed and a fixed contact piece in which a locking portion for locking the convex piece end of the elastic contact piece is formed at the tip. A first switch contact is provided, and the first switch contact and the second switch contact are arranged so that the convex piece end of the elastic contact piece and the locking portion of the fixed contact piece are engaged with each other. In addition, a protrusion is provided at one end on the inner side of the shutter, and when the plug is inserted, the protrusion provided on the shutter presses and suppresses the convex portion of the elastic contact piece, and the fixing Arranged so as to release the locked state with the locking part of the contact piece To.

  With the above configuration, when the shutter slides in conjunction with plug insertion / extraction, the protrusion provided on the inner side of the shutter engages the elastic contact piece of the first switch contact and the fixed contact piece of the second switch contact. The electrical connection can be turned on / off by releasing or recovering the stopped state.

  The electrical connector with a shutter according to the present invention is for a switch that is necessary for a conventional electrical connector because a shutter having a projection on the inner side also serves as a slider and a projection connected to the slider in the conventional electrical connector. Parts such as coil springs, sliders, and protrusions connected to the sliders are unnecessary, reducing the number of components, reducing costs, simplifying the internal structure, and simplifying the assembly process. Is.

  Next, an embodiment of the electrical connector with a shutter according to the present invention will be described with reference to the drawings. However, the drawings are only for explanation, and do not limit the technical scope of the present invention.

  First, the structure of the electrical connector with a shutter according to the present invention will be described using the electrical connector shown in FIG. 1 as an example. In addition, in order to make an understanding easy, the same code | symbol is attached | subjected and demonstrated to the part equivalent to the conventional electrical connector with a shutter (FIGS. 3-7).

  FIG. 1 shows the external appearance of an electrical connector with a shutter (hereinafter referred to as an electrical connector). The connector part electrically connected to the plug, the housing for incorporating the shutter and the switch mechanism, the upper, lower, left and right are surrounded by shields. .

  As shown in the plan view of FIG. 1A, the upper surface of the housing of the electrical connector is covered with a shield (hereinafter referred to as “upper surface shield 2”), and the shutter width is defined based on the width of the shutter 30 (hereinafter referred to as “shutter width”). Rectangular guide holes 2a and 2b are formed at positions that are symmetrical to the left and right of the center of the center, and inclined portions 2e / 2f that are inclined downward are formed at the left and right ends on the back side. .

  Further, as shown in the front view of FIG. 1B, a shutter 30 provided with a plug introduction port 31 for exposing the connector 20 is attached to the front of the housing of the electrical connector, and the left side of the housing of the electrical connector is As shown in the left side view of FIG. 1 (c), a leg piece 3a is formed which is covered with a shield (hereinafter referred to as a side shield 3) and is attached to a substrate or the like. As shown in the right side view of (), a leg piece 4a is formed which is covered with a shield (hereinafter referred to as a side shield 4) and attached to a substrate or the like.

  Further, as shown in the bottom view of FIG. 1 (e), the bottom surface of the housing of the electrical connector is covered with a shield (hereinafter referred to as a bottom shield 5), and at a position corresponding to the vicinity of both left and right ends of the shutter 30. The substantially rectangular latching holes 5c and 5d for latching and sliding the latching portions 37a and 37b of the shutter 30 are formed.

  Further, at both ends of the lower shield 5, openings formed by punching the leg pieces 3 a of the side shield 3 and the leg pieces 4 a of the side shield 4 are formed. And the retaining holes 5c are continuous.

  Further, a dustproof sheet 8 having openings for allowing the leg portions of the switch contacts 54a and 54b to appear is attached to the rear surface of the housing of the electrical connector.

  FIG. 2 is a diagram showing the internal structure of the electrical connector in a simplified manner, which is the internal structure when viewed from the direction of the plan view of FIG. In the following description, the right side of the two-dot chain line shown in FIG. 2 is the first space, and the left side is the second space.

  First, the internal structure on the first space side will be described. A wall surface is formed on the front surface and the side shield 4 side of the first space, the other side surface communicates with the second space, and a leg portion for connecting to the substrate is provided at the bottom of the housing. The formed switch contacts 54a and 54b are attached.

  The switch contact 54a is bent at a right angle with respect to the leg portion, extends straight from the leg portion in the front direction, and is bent so as to protrude toward the second space in front of the front wall surface. Further, an elastic contact piece 56 having a convex portion 55 formed by curving the vicinity of the tip portion toward the first space is integrally formed.

  The switch contact 54b is bent at a right angle with respect to the leg portion, extends straight from the leg portion toward the front, and has a tip at the switch about 1/2 of the length of the elastic contact piece 56. A fixed contact piece 58 having a locking portion 57 formed by bending toward the contact 54a is integrally formed.

  Then, one end of the convex portion of the elastic contact piece 56 formed integrally with the switch contact 54a and the lock portion 57 of the fixed contact piece 58 formed integrally with the switch contact 54b are arranged in a locked state. .

  Next, the internal structure on the second space side will be described. The second space is a space for storing the connector 20, the shutter 30, and the like, and is formed to have a width suitable for the shutter 30, and one side surface communicates with the first space, and the first space side. The projecting portion 55 of the elastic contact piece 56 integrally formed with the switch contact 54a disposed in the projection is projected, and the other side surface has no wall surface and the side shield 3 is fitted therein.

  A shutter 30 is attached to the front surface of the second space, and a plurality of contacts (terminals) 21 formed of a conductive metal on an insulating member or the like are provided on the bottom portion for electrical connection with the plug. Connector 20 arranged at a pitch of is attached.

  In addition, an opening for exposing the leg portion of the contact (terminal) 21 of the connector 20 is formed in the lower portion on the back side of the second space, and the coil springs 40a and 40b are parked near the inner left and right ends. A connector mounting portion 14 having a spring parking portion (not shown) that is hollowed out is provided.

  Although not shown, block-shaped spring restraining / stopper portions 15a and 15b, which are partially protruded inward, are connected to the upper portion of the connector mounting portion. (See Figure 5 for details).

  The shutter 30 is formed with a plug introduction port 31 (see FIG. 1B) for allowing the connector 20 to appear in the lower part, and conical projections 36a and 36b and a projection 38 project toward the back surface on the inner wall surface. Has been. Although not shown, a guide portion 33, stoppers 34a and 34b, conical convex portions 36a and 36b, and hooking portions 37a and 37b face the back surface on the inner wall surface (hereinafter referred to as inner wall surface) of the shutter 30. (See FIG. 5 for details).

  The conical convex portions 36 a and 36 b of the shutter 30 are conical block bodies, and are formed of circular concave portions 35 a and 35 b for locking one end of the coil springs 40 a and 40 b formed on the inner wall surface of the shutter 30. Although projecting from the inside toward the back, it is formed at a position facing the spring restraint portions 18a and 18b of the spring restraining / stopper portions 15a and 15b (not shown) (see FIGS. 5 and 6 for details).

  Further, an integrally formed protrusion 38 is projected toward the back surface at the first space side end (right end in the figure) of the shutter 30, and the shutter 30 is pushed in by inserting a plug. Eventually, the protrusion 38 presses the convex portion 55 of the elastic contact piece 56 formed integrally with the switch contact 54a toward the first space, and the fixed contact piece 58 formed integrally with the switch contact 54b is locked. Suppression is performed in a state in which the engagement with the portion 57 is released.

  Further, the latching portions 37a and 37b of the shutter 30 are positioned on the left and right sides of the plug introduction port 31 of the shutter 30, and the shutter 30 pressed by the coil springs 40a and 40b when the plug is not inserted is disposed on the lower shield 5. It is formed in a key shape so as to be hooked in the hooking holes 5c and 5d (see FIG. 1 (e)).

  The coil springs 40 a and 40 b are locked at one end by circular recesses 35 a and 35 b and conical protrusions 36 a and 36 b formed on the shutter 30, and the other end is a spring parking portion 19 a of the connector mounting portion 14. 19b, and is restrained by spring restraint portions 18a, 18b formed on spring restraining / stopper portions 15a, 15b (not shown) from above and stored in the second space (for details, see FIG. 6).

  In the electrical connector (receptacle) having such a structure, when the plug is not inserted, as shown in FIG. 2, one end of the locking portion 57 of the fixed contact piece 58 and the convex portion 55 of the elastic contact piece 56 are The fixed contact 54a and the fixed contact 54b are connected (closed), and the switch is turned off.

  When the plug is inserted into the electrical connector (receptacle) in such a state, the shutter 30 that contacts the plug is pushed inward and the coil springs 40a and 40b contract, and the plug is inserted into the electrical connector (receptacle). Go.

  At this time, the projecting portion 38 protruding integrally with the shutter 30 is also pushed in, and the projecting portion 38 and the projecting portion 55 of the elastic contact piece 56 projecting toward the second space come into contact with each other. The contact piece 56 is pressed toward the first space.

  When the plug is completely inserted, the locked state between the elastic contact piece 56 and the fixed contact piece 58 pressed to the first space side by the protrusion 38 protruding from the shutter 30 is released. Then, the elastic contact piece 56 is suppressed by the protrusion 38, the fixed contact 54a and the fixed contact 54b are disconnected (open), the switch is turned on, and the plug and the electrical connector are connected.

  On the other hand, when the plug inserted into the electrical connector is pulled out contrary to the above, the coil springs 40a and 40b are extended to push the shutter 30 in the front direction, and accordingly, the protrusion 38 protruding from the shutter 30 is provided. The elastic contact piece 56 that has moved in the front direction and has been restrained by the pressing of the protrusion 38 returns to its original state (a state that protrudes toward the second space), and is fixed to one end of the convex portion 55 of the elastic contact piece 56. The locking portion 57 of the contact piece 58 is locked, the fixed contact 54b is again connected (closed), and the switch is turned off.

  As described above, the electrical connector with shutter includes the elastic contact piece 56 and the fixed contact that are integrally formed with the fixed contact 54a by the protrusion 38 that protrudes from the shutter 30 that slides in conjunction with the insertion and removal of the plug. Since the electrical connection is turned on and off by releasing or recovering the locked state with the fixed contact piece 58 formed integrally with 54b, the switch in the conventional electrical connector (see FIGS. 3 to 7) Therefore, the coil spring 52, the slider 50, and the protrusion 51 connected to the slider become unnecessary.

It is explanatory drawing for demonstrating one Example of the electrical connector with a shutter which concerns on this invention. It is explanatory drawing for demonstrating the internal structure of the electrical connector with a shutter shown in FIG. It is the external view which showed one Example of the conventional electrical connector with a shutter. It is explanatory drawing for demonstrating the structure of the conventional electrical connector with a shutter shown in FIG. It is explanatory drawing for demonstrating the internal structure of the conventional electrical connector with a shutter shown in FIG.3 and FIG.4. It is explanatory drawing for demonstrating the switch mechanism in the conventional electrical connector with a shutter shown in FIG.3 and FIG.4. It is explanatory drawing for demonstrating the attachment structure of the shutter in the conventional electrical connector with a shutter shown in FIG.3 and FIG.4. It is explanatory drawing which showed an example of the plug of USB (Universal Serial Bus) specification.

Explanation of symbols

2; upper surface shield 2a, 2b; guide hole 2c / 2d; opening 2e / 2f; inclined portion 3; side shield 3a; leg piece 4; side shield 4a; leg piece 5: lower face shield 5a; Joint convex part 5c, 5d; Locking hole 8; Dustproof sheet 10; Housing 10a; Projection part 11; Partition part 12; Partition wall 13; Block body 14: Connector attachment part 15a, 15b; 16b; rectangular recesses 17a, 17b; inclined portions 18a, 18b; spring restraint portions 19a, 19b; spring parking portions 20; connector portions 21; contacts (terminals)
30; Shutter 31; Plug inlet 32; Notch 33; Guide part 34a, 34b; Stopper 35a, 35b; Circular recess 36a, 36b; Conical protrusion 37; Hatch 38; Projection 40a, 40b; Slider 50a; Spring locking portion 51; Protruding portion 52; Switch coil spring 53; Movable contacts 54a and 54b; Switch contact 55; Protrusion 56; Elastic contact piece 57;

Claims (2)

An electrical connector having a shutter that slides in the insertion / extraction direction in conjunction with the insertion / extraction of the plug,
A first contact for a switch in which a convex contact is formed by curving the vicinity of the tip, and an elastic contact piece formed to be bent so as to give an elastic biasing force to the convex;
A second contact for a switch, in which a fixed contact piece formed at a tip of a locking portion for locking the convex piece end of the elastic contact piece is integrally formed;
The first switch contact and the second switch contact are arranged so that the convex piece end of the elastic contact piece and the engagement portion of the fixed contact piece are engaged,
Also, a protrusion is provided at one end on the inner side of the shutter, and when the plug is inserted, the protrusion provided on the shutter presses and suppresses the convex portion of the elastic contact piece, and the fixed contact piece An electrical connector with a shutter, wherein the electrical connector is disposed so as to release the locked state with the locking portion. The electrical connector with a shutter according to claim 1, wherein the shutter and the protrusion are integrally formed.

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