CN201285841Y - Electric connector - Google Patents

Abstract

The utility model discloses an electric connector which at least comprises an insulating body, contact terminals held in the insulating body, elastic elements and connection terminals, wherein each connection terminal comprises a base extending along a first direction, a fixing part extending from the base and fixed with the insulating body and a supporting mechanism obliquely extending from one end of the base to form an included angle less than 90 degrees with the base; each contact terminal comprises a contact end and a fixing end opposite to the contact end; when the contact terminals, the elastic elements and the connection terminals are assembled in the insulating body, one end of each contact terminal extends out of the insulating body and the other end extends into the supporting mechanisms of the connection terminals, and the contact terminals are fixed by the supporting mechanisms of the connection terminals, thereby the contact terminals and the connection terminals are stably fixed.

Description

electrical connector

【Technical field】

The utility model relates to an electric connector, in particular to an electric connector for electrically connecting electronic components to a circuit board.

【Background technique】

With the rapid development of the electronics industry, and in order to adapt to energy saving considerations, rechargeable batteries are currently widely used, especially for batteries in mobile phones. However, there are various types of mobile phones. In order to adapt to the types of mobile phones, electrically connecting batteries to There are also various types of electrical connectors for circuit boards.

For example, U.S. Published Patent Application No. U.S.2005/059270 discloses an electrical connector, which includes an insulating body, a contact terminal accommodated in the insulating body, an elastic element, and a holding terminal, wherein the holding terminal is at least provided with a circuit The soldering piece connected to the board and the concave part sunken from top to bottom, the above-mentioned elastic element is actually a spring, and the contact terminal is provided with a receiving part. When assembling, one end of the spring is stored in the receiving part of the contact terminal, and the other end is placed in the holding terminal. In this way, when the electrical connector is docked with the mating element, the mating element exerts pressure on the contact terminal in a direction perpendicular to the circuit board to compress the elastic element, thereby achieving electrical connection.

Everyone in the industry knows that an electrical connector is to establish a conduction path between two separated electronic components, and to electrically connect the two separated electronic components through the conductive terminals in the electrical connector as a medium. Therefore, the terminal position The stability of the terminal directly affects the electrical conduction path. If the terminal deviates from or deviates from its correct position, the electrical conduction path will be interrupted. However, under the action of external force, the contact terminals of the above-mentioned electrical connector may deviate from their original positions, thereby interrupting the electrical conduction path.

In view of the above requirements, it is necessary to provide an improved electrical connector to solve the above problems.

【Content of utility model】

The purpose of the present utility model is to provide an electrical connector, wherein the terminals are firmly held in the insulating body and firmly connected with the connecting terminals.

To achieve the above object, the utility model provides an electrical connector, which at least includes an insulating body, a contact terminal accommodated in the insulating body, an elastic element, and a connecting terminal, wherein the connecting terminal includes a base extending along a first direction, A holding portion extending from the base and holding the insulating body, and a support mechanism extending obliquely from one end of the base to form an angle of less than 90 degrees with the base. The contact terminal includes a contact end and a holding end opposite to the contact end.

Compared with the prior art, the electrical connector of the utility model has at least the following advantages: the connecting terminal holding and supporting the contact terminal is stabilized by the supporting mechanism, and the supporting mechanism forms an acute angle of less than 90 degrees with the base of the connecting terminal Arranged in this way, the contact terminals are held stably.

【Description of drawings】

Fig. 1 is a three-dimensional exploded view of the electrical connector of the present invention.

Fig. 2 is a three-dimensional exploded view from another angle of the electrical connector of the present invention.

Fig. 3 is a three-dimensional schematic view of the connecting terminal of the electrical connector of the present invention.

FIG. 4 is a front view of the conductive terminal shown in FIG. 3 .

Fig. 5 is a three-dimensional assembled view of the electrical connector of the present invention.

Fig. 6 is a cross-sectional view of the electrical connector of the present invention, wherein the contact terminals are not yet assembled.

Fig. 7 is a cross-sectional view of the electrical connector of the present invention, wherein the contact terminals are assembled together.

【Detailed ways】

The specific implementation of the electrical connector of the present invention will be described in detail below in conjunction with the accompanying drawings.

Please refer to Figure 1 and Figure 2, the electrical connector of the present invention is used to establish an electrical conduction path between the battery (not shown) and the circuit board (not shown), including an insulating body 1, which is held on The contact terminal 3 , the elastic element 5 and the connection terminal 7 inside the insulating body 1 .

Please continue to refer to Fig. 1 and Fig. 2, and in combination with Fig. 6 and Fig. 7, the insulating body 1 is rectangular as a whole, including the butt surface 11, the back wall 13 opposite to the butt surface 11, the butt surface 11 and the back wall 13 is adjacent to and vertically arranged on the installation surface 15, and a pair of side walls 17 are perpendicular to and adjacent to the butt surface 11, the rear wall 13, and the installation surface 15, respectively. Wherein, a plurality of receiving grooves (not shown) pass through between the butt surface 11 and the rear wall 13, adjacent receiving grooves are separated from each other by a partition wall 131, and each of the above-mentioned receiving grooves sequentially includes first receiving grooves 132 penetrating each other. , the second storage groove 135, and the third storage groove 137, wherein, the first storage groove 132 is square and runs through the rear wall 13 and the installation surface 15, and the cross sections of the second and third storage grooves 135, 137 are circular shape, and the cross-sectional area of the second receiving groove 135 is slightly larger than the cross-sectional area of the third receiving groove 137 . In addition, an embedding groove 133 penetrating with the first receiving groove 132 is provided inside the first receiving groove 132 , and the embedding groove 133 extends between the mating surface 11 and the rear wall 13 but does not penetrate through the mating surface 11 . In addition, a recess 151 is recessed from the installation surface 15 inside each first receiving groove 132 , and each recess 151 penetrates the first receiving groove 132 .

The contact terminal 3 includes a contact end 31 electrically connected to the battery, a holding end 33 disposed opposite to the contact end 31, and a resisting portion 35 arranged at an appropriate position between the contact end 31 and the holding end 33, wherein the contact terminal 3 The section of each part has a circular section corresponding to the second and third receiving grooves 135, 137, and the cross-sectional width of the resisting part 35 is basically equivalent to the width of the second receiving groove 135, and the cross-sectional width of the contact end 31 Slightly smaller than the opening width of the third receiving groove 137 .

In this embodiment, the elastic element 5 is essentially a spring, one end of which is sleeved on the holding end 33 of the contact terminal 3 , and the other is fixed to the connection terminal 7 .

Please refer to FIG. 1 and FIG. 2, and in combination with FIG. 3 and FIG. 4 and FIG. 6 and FIG. The gap 710 extending in the direction is divided into a pair of arms 73, a holding portion 75 extends in the first direction along the edge of the gap 710 between the arms 73, and the length of the holding portion 75 extending in the first direction does not exceed the above-mentioned The extension length of the support arm 73, at the same time, the end of the holding part 75 has a tapered structure to facilitate assembly, and on the base 71, an end opposite to the above-mentioned support arm 73 extends a supporting mechanism that is less than 90 degrees with the base 71. (not marked).

The support mechanism includes an arm portion 77 extending obliquely from one end of the base portion 71 and forming an angle of less than 90 degrees with the base portion, and a clamping portion 79 extending obliquely from the end of the arm portion 77 toward the base portion 71, wherein the above-mentioned arm portion 77 A through groove 771 is provided in the extending direction, and the through groove 771 extends from the junction of the arm portion 77 and the base portion 71 to the highest point of the arm portion 77, and there is a Cantilever-shaped elastic arm 773, the angle between the elastic arm 773 and the base portion 71 is smaller than the angle between the arm portion 77 and the base portion 71. At the same time, the above-mentioned elastic arm 773 does not always extend obliquely, but extends slightly to The base portion 71 is smoothly bent to form a supporting portion 775, and for the clamping portion 79, an inverted U-shaped groove 790 is provided in its extending direction, and one end of the U-shaped groove 790 extends to the end of the clamping portion 79. , so as to communicate with the outside world, and the other end does not communicate with the through groove 771 provided by the arm portion 77, that is to say, the through groove 771 and the U-shaped groove 790 are divided by a transition part 793, please refer to Fig. 3, the end of the clamping portion 79 and the elastic arm 773 of the support mechanism both extend toward the base 71, but in a free state, the end of the clamping portion 79 and the supporting portion 775 are on the same line in the vertical direction, and The length of the clamping portion 79 extending in the vertical direction is just equal to or exceeds the height of the end support portion 775 of the elastic arm 773, in other words, the height of the end of the clamping portion 79 from the base 71 is not greater than the distance from the end support portion 775 of the elastic arm 773 to the base 71 height.

Please continue to refer to FIG. 1 and FIG. 2 below, and in combination with FIG. 3 to FIG. 7, when the contact terminal 3, the elastic element 5, and the connecting terminal 7 are inserted into the receiving groove from the rear wall 13 of the insulating body 1, Please refer to FIG. 7 in particular. The base 71 and a pair of arms 73 of each connection terminal 7 are placed in the corresponding recess 151 of the mounting surface 15 of the insulating body 1, and the holding portion 75 is inserted into the slot 133 of the insulating body 1. The supporting mechanism is accommodated in the first receiving groove 132 of the insulating body 1, the contact end 31 of the contact terminal 3 extends from the third receiving groove 137 of the insulating body 1 to the mating surface 11 of the insulating body 1, and the holding end 33 is accommodated in the insulating body 1 and further extend into the first receiving groove 132, and penetrate into the U-shaped groove 790 at the end of the connection terminal 7 and be supported by the support portion 775 at the end of the elastic arm 773. At this time, the contact terminal 3 The abutting portion 35 is placed at the position closest to the second receiving groove 135 to the third accommodating groove 137. Since the opening width of the third accommodating groove 137 is smaller than the opening width of the second accommodating groove 135, the abutting portion 35 of the contact terminal 3 It is resisted and cannot further extend outside the mating surface 11 of the insulating body 1 .

After the contact terminal 3, the elastic element 5, and the connection terminal 7 are completely assembled into the receiving groove of the insulating body 1, in a free state, the contact end 31 of the contact terminal 3 extends out of the mating surface 11 from the third receiving groove 137 of the insulating body 1 In addition, it is electrically connected with the battery, and the holding end 33 is supported by the support mechanism of the connection terminal 7. Specifically, please refer to FIG. 3 and in conjunction with FIG. 775 is located below the end of the U-shaped groove 790 on the clamping portion 79. Therefore, when the holding end 33 of the contact terminal 3 is placed in the U-shaped groove 790, the supporting portion 775 gives a supporting force to the contact terminal 3 from below. At the same time, the contact The abutting portion 35 of the terminal 3 is in contact with the inner wall of the second receiving groove 135 , so that the inner wall of the second receiving groove 135 also gives a supporting force to the contact terminal 3 , so that the contact terminal 3 and the connection terminal 7 are held stably.

When the battery acts on the contact terminal 3, the contact portion 35 of the contact terminal 3 slides on the inner wall of the second receiving groove 135, and at the same time, the holding end 33 moves on the elastic arm 773 in the U-shaped groove 790, because the support mechanism is formed by It is made of elastic metal material, and the elastic arm 773 extends from an edge of the through groove 771 into a cantilever shape. Therefore, the elastic arm 773 has strong elasticity. 3 to produce elastic deformation, thereby ensuring that the contact terminal 3 and the connection terminal 7 are always in contact during the docking process.

The above is only one embodiment of the utility model, not all or the only implementation. Any equivalent change to the technical solution of the utility model adopted by those of ordinary skill in the art by reading the specification of the utility model shall be considered as the present invention. covered by the claims of the utility model.

Claims (10)

1. electric connector, at least comprise insulating body, be contained in the contact terminal in the insulating body, flexible member, and splicing ear, insulating body comprises interface, the back wall that is oppositely arranged with interface, with interface and the adjacent and vertically disposed a pair of side wall of back wall, and and interface, back wall, and all adjacent and vertical installed surface of side wall, wherein, insulating body is provided with and runs through interface and back wall and accommodate contact terminal, flexible member, and the accepting groove of splicing ear, contact terminal comprises contact jaw and the fixing end relative with contact jaw, it is characterized in that: described splicing ear comprises the base portion that extends along first direction, from base portion extend and with the insulating body holding parts of fixing mutually, and become with base portion to be supporting mechanism less than 90 degree angles from base portion one end diagonally extending.

2. electric connector as claimed in claim 1 is characterized in that: described supporting mechanism comprises from the arm of base portion one end diagonally extending and from the clamping part of arm end towards the extension of base portion direction.

3. electric connector as claimed in claim 2 is characterized in that: described arm is provided with on its bearing of trend and runs through groove.

4. electric connector as claimed in claim 3 is characterized in that: the described groove width of rebate size that runs through is less than the arm width dimensions, and runs through groove and begin to extend from the joining place of arm and base portion, until the least significant end of arm.

5. electric connector as claimed in claim 4 is characterized in that: the described edge that runs through the close base portion of groove extends one and is cantilever-shaped elastic arm, and the elastic arm end is provided with the support portion of extending towards the base portion direction.

6. electric connector as claimed in claim 5 is characterized in that: described support portion is not less than the size of clamping part apart from base portion apart from the size of base portion.

7. electric connector as claimed in claim 5 is characterized in that: described clamping part is provided with the inverted U-shaped groove on its bearing of trend, and when contact terminal was immobilizated in splicing ear, its fixing end penetrated in the above-mentioned U-lag, and supported support.

8. electric connector as claimed in claim 7 is characterized in that: described inverted U-shaped groove with run through the non-each other perforation of groove.

9. electric connector as claimed in claim 1 is characterized in that: described splicing ear base portion is provided with a breach on its bearing of trend, and above-mentioned holding parts forms from this gap edge extension.

10. electric connector as claimed in claim 9, it is characterized in that: described breach roughly extends towards the other end of supporting mechanism from the middle position of base portion, and its length dimension is substantially equal to the base portion length dimension half, simultaneously, above-mentioned breach is divided into a pair of support arm parallel to each other with the part of base portion, and the holding parts development length is not more than above-mentioned support arm development length.

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