CN111653886A - Dislocation stack formula bullet fork subassembly and electric connector - Google Patents

Abstract

The invention discloses a dislocation superposition type elastic fork assembly and an electric connector, wherein the dislocation superposition type elastic fork assembly comprises: the double-deck bullet fork that sets up including a plurality of superpositions, double-deck bullet fork is including the bullet fork mainboard one that the stack set up, bullet fork mainboard two, bullet fork mainboard one, the both ends of bullet fork mainboard two are equipped with the socket respectively, the socket includes the contact line section and connects in the contact line section, to the bullet fork contact of edge extension in the socket, the socket unilateral, the contact line segment length of two bullet fork mainboards is different and the setting of staggering of bullet fork contact, same bullet fork mainboard, the contact line segment length of homonymy is different and the setting of staggering of bullet fork contact, the contact line segment length of same bullet fork mainboard socket both sides is different and the setting of staggering of bullet fork contact. The staggered and superposed type bullet fork assembly can realize that different currents are configured by adjusting the number of the superposed single double-layer bullet forks. Every single double-deck bullet fork of dislocation stack formula bullet fork subassembly all is equipped with eight crisscross contact points, forms reliable and flexible contact after a plurality of single double-deck bullet forks are arranged side by side.

Description

Dislocation stack formula bullet fork subassembly and electric connector

Technical Field

The invention relates to the technical field of electric connectors, in particular to a staggered and superposed elastic fork assembly and an electric connector.

Background

The whole vehicle system architecture of the electric vehicle is gradually changed, the applied high-voltage connector is continuously updated, and the high-voltage connector is safe, reliable, small in size, light in weight and low in cost, is necessary to be required by the industry, is beneficial to automatic assembly of wire harnesses and automatic installation of the whole vehicle, and tends to be great. The central importance of high voltage connectors is the performance of the contacts, which require the accommodation of many contact points for current transmission to increase the current capacity of the circuit. In addition, the environment of the vehicle is more and more severe, and the standard requirement for the connector is higher and higher, and in practical application, the influence on the contact part, which may be offset, twisted and vibrated, needs to be minimized to ensure the optimal contact performance.

The patent of application number 2019111440224 discloses "a dislocation stack formula fork subassembly", through the fork realization of a plurality of crisscross settings with insert to inside plug connection, this kind of connection structure can avoid producing resonance when long-time operation to a certain extent, nevertheless ware reliability still remains to promote in practical application.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides a staggered and superposed elastic fork assembly and an electric connector, and solves the technical problem that the connection reliability of the electric connector in the prior art needs to be improved.

In order to achieve the above purpose, the invention adopts the following technical scheme:

a dislocation stack formula fork subassembly: the double-deck bullet fork that sets up including a plurality of superpositions, double-deck bullet fork is including the bullet fork mainboard one that the stack set up, bullet fork mainboard two, bullet fork mainboard one, the both ends of bullet fork mainboard two are equipped with the socket respectively, the socket includes the contact line section and connects in the contact line section, to the bullet fork contact of edge extension in the socket, the socket unilateral, the contact line segment length of two bullet fork mainboards is different and the setting of staggering of bullet fork contact, same bullet fork mainboard, the contact line segment length of homonymy is different and the setting of staggering of bullet fork contact, the contact line segment length of same bullet fork mainboard socket both sides is different and the setting of staggering of bullet fork contact.

Preferably, the staggered stack type fork assembly comprises: the socket of the first bullet fork main board comprises a first contact line segment, a second contact line segment, a third contact line segment and a fourth contact line segment, and the end parts of the first contact line segment, the second contact line segment, the third contact line segment and the fourth contact line segment are respectively connected with a first bullet fork contact, a second bullet fork contact, a third bullet fork contact and a fourth bullet fork contact;

the socket of the bullet fork main board II comprises a contact line section five, a contact line section six, a contact line section seven and a contact line section eight, and the ends of the contact line section five, the contact line section six, the contact line section seven and the contact line section eight are respectively connected with a bullet fork contact five, a bullet fork contact six, a bullet fork contact seven and a bullet fork contact eight;

the first bullet fork contact and the fifth bullet fork contact are superposed and staggered, the second bullet fork contact and the sixth bullet fork contact are superposed and staggered, the third bullet fork contact and the seventh bullet fork contact are superposed and staggered, and the fourth bullet fork contact and the eighth bullet fork contact are superposed and staggered;

the length of the contact line segment I is different from that of the contact line segment II, the length of the contact line segment III is different from that of the contact line segment IV, the length of the contact line segment V is different from that of the contact line segment VI, and the length of the contact line segment VII is different from that of the contact line segment VIII;

the lengths of the first contact line segment and the fourth contact line segment are different, the lengths of the second contact line segment and the third contact line segment are different, the lengths of the fifth contact line segment and the eighth contact line segment are different, and the lengths of the sixth contact line segment and the seventh contact line segment are different.

Preferably, the staggered stack type fork assembly comprises: the lengths of the first contact line segment, the third contact line segment, the sixth contact line segment and the eighth contact line segment are equal and equal to A, the lengths of the second contact line segment, the fourth contact line segment, the fifth contact line segment and the seventh contact line segment are equal and equal to B, and A is larger than B.

Preferably, the staggered stack type fork assembly comprises: the first bullet fork main board and the second bullet fork main board are connected through a bending section.

Preferably, the staggered stack type fork assembly comprises: the first elastic fork main board, the second elastic fork main board and the bending section are of an integrated structure.

Preferably, the staggered stack type fork assembly comprises: the double-layer elastic forks are connected through pin shafts.

Preferably, the staggered stack type fork assembly comprises: the first elastic fork main board and the second elastic fork main board are both provided with concentric pin holes, and the pin shaft penetrates through the pin holes.

An electrical connector: contain inserted sheet one, inserted sheet two and the dislocation stack formula bullet fork subassembly of aforementioned arbitrary one, when the connector is in the on-state, inserted sheet one, inserted sheet two are connected in the socket at double-deck bullet fork both ends respectively.

The invention achieves the following beneficial effects: the staggered and superposed type bullet fork assembly can realize the configuration of different currents by adjusting the number of superposed single double-layer bullet forks so as to meet different current use environments of a whole vehicle system, realize modular configuration and facilitate the unification of later-stage materials; meanwhile, each single double-layer elastic fork of the staggered and superposed elastic fork assembly is provided with eight staggered contact points, and a plurality of single double-layer elastic forks are arranged in parallel to form line contact, so that the reliability and flexible contact of the contact can be guaranteed, the insertion and extraction force is reduced, the instantaneous disconnection caused by contact failure due to the resonance generated by the elastic contact points can be avoided even under the severe vibration condition, and the connection stability and safety can be guaranteed. Simultaneously, its bullet fork contact adopts rounding off's fillet design, can effectively promote soft degree when inserting, has the advantage that can make up different electric current size, the plug is soft, anti-vibration intensity is high, manufacturability is high, and applicable in automatic assembly, improves assembly efficiency.

The first bullet fork main board and the second bullet fork main board are connected through the bending sections, the whole double-layer bullet fork is of an integrated structure, and all the double-layer bullet forks are connected through the pin shafts.

Drawings

FIG. 1 is a block diagram of the electrical connector of the present invention;

FIG. 2 is a block diagram of the staggered stacking fork assembly of the present invention;

FIG. 3 is a view of the construction of the double layer fork of the present invention;

the meaning of the reference numerals: 4-double layer spring fork; 5-a pin shaft; 41-a spring fork main board I; 43-a second elastic fork main board; 42-bending section; 411-contact line segment one; 412-contact line segment two; 413-contact line segment three; 414-contact line segment four; 415-a first sabot contact; 416-a second sabot contact; 417-sabot contact three; 418-elastic fork contact four; 431-contact line segment five; 432-contact line segment six; 433 — contact line segment seven; 434-contact line segment eight; 435-spring fork contact five; 436-sabot contact six; 437-spring fork contact seven; 438-contact eight of the spring fork; 2, inserting a first sheet; 3-inserting a second sheet; 44-pin hole.

Detailed Description

The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1 to 3: the embodiment discloses dislocation stack formula bullet fork subassembly, including the double-deck bullet fork 4 that a plurality of superposes set up, double-deck bullet fork 4 is equipped with the socket respectively including the bullet fork mainboard 41, two 43 of bullet fork mainboard that the stack set up, the both ends of bullet fork mainboard 41, two 43 of bullet fork mainboard, the socket include contact segment and connect in contact segment, to the bullet fork contact of edge extension in the socket.

The contact line lengths of the two sides of the same socket are different and the elastic fork contacts are arranged in a staggered manner, the contact line lengths of the same elastic fork main board and the same side are different, the contact line lengths of the same sections of different elastic fork main boards and the same side are different and the elastic fork contacts are arranged in a staggered manner, and the following description is specifically performed in combination with fig. 3 one by one:

the jack of the first bullet fork main board 41 comprises a first contact line segment 411, a second contact line segment 412, a third contact line segment 413 and a fourth contact line segment 414, and the ends of the first contact line segment 411, the second contact line segment 412, the third contact line segment 413 and the fourth contact line segment 414 are respectively connected with a first bullet fork contact 415, a second bullet fork contact 416, a third bullet fork contact 417 and a fourth bullet fork contact 418.

The jack of the second bullet fork main board 43 comprises a contact line segment five 431, a contact line segment six 432, a contact line segment seven 433 and a contact line segment eight 434, and the ends of the contact line segment five 431, the contact line segment six 432, the contact line segment seven 433 and the contact line segment eight 434 are respectively connected with a bullet fork contact five 435, a bullet fork contact six 436, a bullet fork contact seven 437 and a bullet fork contact eight 438.

Firstly, the method comprises the following steps: the lengths of the contact line segments of the socket single side and the two elastic fork main boards are different, and the elastic fork contacts are arranged in a staggered mode.

For ease of understanding, reference may be made to fig. 3 in the region of the bold dashed box a: the whole double-layer fork 4 can be seen as four areas A, specifically: the first bullet fork contact 415 and the fifth bullet fork contact 435 are overlapped and staggered, the second bullet fork contact 416 and the sixth bullet fork contact 436 are overlapped and staggered, the third bullet fork contact 417 and the seventh bullet fork contact 437 are overlapped and staggered, and the fourth bullet fork contact 418 and the eighth bullet fork contact 438 are overlapped and staggered. Since the elastic contacts are disposed at the ends of the corresponding contact line segments, the corresponding contact line segments are also unequal, i.e., the lengths of the first contact line segment 411 and the fifth contact line segment 431 are different, the lengths of the second contact line segment 412 and the sixth contact line segment 432 are different, the lengths of the third contact line segment 413 and the seventh contact line segment 433 are different, and the lengths of the fourth contact line segment 414 and the eighth contact line segment 434 are different.

II, secondly: the lengths of the contact line segments on the same main board and the same side of the bullet fork are different, and the contact points of the bullet fork are arranged in a staggered manner. See the single fork main plate on the upper or lower side of the Y axis in fig. 3, i.e.: the same fork main board shows that the contact line segments are all on the first fork main board 41 or the second fork main board 43, specifically: the lengths of the first contact segment 411 and the second contact segment 412 are different, the lengths of the third contact segment 413 and the fourth contact segment 414 are different, the lengths of the fifth contact segment 431 and the sixth contact segment 432 are different, and the lengths of the seventh contact segment 433 and the eighth contact segment 434 are different. Similarly, the distances between the fork contacts arranged at the ends of the contact line sections and the center of the fork main board are also different, so that the contact line sections are arranged in a staggered manner.

Thirdly, the method comprises the following steps: the lengths of the contact line segments on the two sides of the socket of the same spring fork main board are different, and the spring fork contacts are arranged in a staggered mode.

The method comprises the following steps: the lengths of the first contact line segment 411 and the fourth contact line segment 414 are different, the lengths of the second contact line segment 412 and the third contact line segment 413 are different, the lengths of the fifth contact line segment 431 and the eighth contact line segment 434 are different, the lengths of the sixth contact line segment 432 and the seventh contact line segment 433 are different, and similarly, the distances between the centers of the bullet-fork contact points at the ends of the contact line segments are also different, so that the bullet-fork contact points are arranged in a staggered manner.

In order to improve the symmetry effect and the universality of the sockets on the two sides, the lengths of the first contact line segment 411, the third contact line segment 413, the sixth contact line segment 432 and the eighth contact line segment 434 are equal, and the first contact line segment, the third contact line segment, the sixth contact line segment and the eighth contact line segment are regarded as long contact lines and marked as A; the lengths of the second contact line segment 412, the fourth contact line segment 414, the fifth contact line segment 431 and the seventh contact line segment 433 are equal, which are regarded as short contact lines and are marked as B, wherein A is larger than B.

The bullet fork mainboard 41 of this embodiment, connect through bend section 42 between the bullet fork mainboard two 43, and whole double-deck bullet fork 4 is the integral type structure, so-called integral type structure means that double-deck bullet fork 4 is the integral type punching press in manufacturing process, the shaping of bending, can promote machining efficiency and processingquality like this.

The bullet fork subassembly of this embodiment includes a plurality of superimposed a plurality of double-deck bullet forks 4, connects through round pin axle 5 between these double-deck bullet forks 4, specifically is: the first bullet fork main plate 41 and the second bullet fork main plate 43 are both provided with pin holes 44 which are concentrically arranged, and the pin shaft 5 penetrates through the pin holes 44.

The embodiment also discloses an electrical connector: contain inserted sheet one 1, two 3 and the aforesaid dislocation stack formula bullet fork subassembly of this embodiment, when the connector is in the on-state, inserted sheet one 1, two 3 of inserted sheet are connected respectively in the socket at 4 both ends of double-deck bullet fork.

Compared with the prior art, the staggered and superposed type bullet fork assembly can realize that different currents are configured by adjusting the number of superposed single double-layer bullet forks, so that different current use environments of a whole vehicle system are met, modular configuration is realized, and uniformity of materials at the later stage is facilitated; meanwhile, each single double-layer elastic fork of the staggered and superposed elastic fork assembly is provided with eight staggered contact points, and a plurality of single double-layer elastic forks are arranged in parallel to form line contact, so that the reliability and flexible contact of the contact can be guaranteed, the insertion and extraction force is reduced, the instantaneous disconnection caused by contact failure due to the resonance generated by the elastic contact points can be avoided even under the severe vibration condition, and the connection stability and safety can be guaranteed. Simultaneously, its bullet fork contact adopts rounding off's fillet design, can effectively promote soft degree when inserting, has the advantage that can make up different electric current size, the plug is soft, anti-vibration intensity is high, manufacturability is high, and applicable in automatic assembly, improves assembly efficiency.

In a specific application, the number of the double-layer spring forks 4 can be set according to the magnitude of the flowing current, and the more the double-layer spring forks 4 are stacked, the larger the current capacity is.

The first bullet fork main board 41 and the second bullet fork main board 43 are connected through the bent section 42, the whole double-layer bullet fork 4 is of an integrated structure, the structure is convenient to process, current distribution is more uniform in the using process, and the problem of overlarge local current can be avoided.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (8)

1. The utility model provides a dislocation stack formula fork subassembly which characterized in that: double-deck bullet fork (4) including a plurality of stack settings, double-deck bullet fork (4) are including the bullet fork mainboard one (41), bullet fork mainboard two (43) that the stack set up, the both ends of bullet fork mainboard one (41), bullet fork mainboard two (43) are equipped with the socket respectively, the socket includes the contact line section and connects in the contact line section, to the bullet fork contact of edge extension in the socket, the contact line segment length inequality and the setting of staggering of bullet fork contact of socket unilateral, two bullet fork mainboards, the contact line segment length inequality and the setting of staggering of bullet fork contact of same bullet fork mainboard, homonymy, the contact line segment length inequality and the setting of staggering of bullet fork contact of same bullet fork mainboard socket both sides.

2. The staggered stacking fork assembly of claim 1, wherein: the jack of the first bullet fork main board (41) comprises a first contact line segment (411), a second contact line segment (412), a third contact line segment (413) and a fourth contact line segment (414), and the ends of the first contact line segment (411), the second contact line segment (412), the third contact line segment (413) and the fourth contact line segment (414) are respectively connected with a first bullet fork contact (415), a second bullet fork contact (416), a third bullet fork contact (417) and a fourth bullet fork contact (418);

the jack of the second bullet fork main board (43) comprises a contact line section five (431), a contact line section six (432), a contact line section seven (433) and a contact line section eight (434), and the ends of the contact line section five (431), the contact line section six (432), the contact line section seven (433) and the contact line section eight (434) are respectively connected with a bullet fork contact five (435), a bullet fork contact six (436), a bullet fork contact seven (437) and a bullet fork contact eight (438);

the first bullet fork contact 415 and the fifth bullet fork contact 435 are overlapped and staggered, the second bullet fork contact 416 and the sixth bullet fork contact 436 are overlapped and staggered, the third bullet fork contact 417 and the seventh bullet fork contact 437 are overlapped and staggered, and the fourth bullet fork contact 418 and the eighth bullet fork contact 438 are overlapped and staggered;

the lengths of the first contact segment 411 and the second contact segment 412 are different, the lengths of the third contact segment 413 and the fourth contact segment 414 are different, the lengths of the fifth contact segment 431 and the sixth contact segment 432 are different, and the lengths of the seventh contact segment 433 and the eighth contact segment 434 are different;

the lengths of the first contact line segment 411 and the fourth contact line segment 414 are different, the lengths of the second contact line segment 412 and the third contact line segment 413 are different, the lengths of the fifth contact line segment 431 and the eighth contact line segment 434 are different, and the lengths of the sixth contact line segment 432 and the seventh contact line segment 433 are different.

3. The staggered stacking fork assembly of claim 1, wherein: the lengths of the contact line segment I (411), the contact line segment III (413), the contact line segment six (432) and the contact line segment eight (434) are equal and equal to A, the lengths of the contact line segment II (412), the contact line segment IV (414), the contact line segment V (431) and the contact line segment seven (433) are equal and equal to B, and A is larger than B.

4. The staggered stacking fork assembly of claim 1, wherein: the first bullet fork main board (41) and the second bullet fork main board (43) are connected through a bending section (42).

5. The staggered stacking fork assembly of claim 4, wherein: the first bullet fork main board (41), the second bullet fork main board (43) and the bending section (42) are of an integrated structure.

6. The staggered stacking fork assembly of claim 1, wherein: the double-layer elastic forks (4) are connected through pin shafts (5).

7. The staggered stacking fork assembly of claim 6, wherein: the first bullet fork main board (41) and the second bullet fork main board (43) are provided with concentric pin holes (44), and the pin shaft (5) penetrates through the pin holes (44).

8. An electrical connector, comprising: contain inserted sheet one (1), inserted sheet two (3) and claim 1 to any one of claim 7 dislocation stack formula bullet fork subassembly, when the connector is in the conducting state, inserted sheet one (1), inserted sheet two (3) are connected in the socket at double-deck bullet fork (4) both ends respectively.

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