CN221176728U - Socket and electric connector - Google Patents

Abstract

The utility model discloses a socket and an electric connector, which comprise a socket shell, wherein a cavity is arranged on the socket shell, a socket terminal assembly is spliced in the cavity, and a guide groove is arranged on the side wall of the cavity; the socket terminal assembly comprises a reed, a copper bar adapter is connected to the reed, and a barb structure in interference fit with the guide groove is arranged on the copper bar adapter. After the socket terminal assembly is inserted into the socket shell, the barb structure is in interference fit with the guide groove, so that the retention force between the socket terminal assembly and the socket shell is increased, the stability of the contact pin and the socket terminal assembly in the process of plugging is improved, and the technical problem of how to increase the retention force between the socket terminal assembly and the socket shell and improve the plugging stability of the contact pin and the socket terminal assembly is solved; the upper reed and the lower reed are formed in a stamping mode, no waste material exists in the width direction, and the end parts of the upper reed and the lower reed are widened, so that the space of a contact piece can be fully utilized, and the current carrying capacity of the terminal is improved.

Description

Socket and electric connector

Technical Field

The present utility model relates to the field of connectors, and more particularly, to a socket and an electrical connector.

Background

Contacts are key components of the electrical connector for performing the core function of the electrical connector to carry electrical current. With the continuous increase of the current carrying capacity of the electrical connector, the size of the contact may increase, which restricts the development of the electrical connector, and low cost is also a great trend of new energy automobiles and electrical connectors. The sheet-type contact has the advantages of simple structure, low cost and high reliability. There is a need for a small size and high current carrying capability wafer type contact.

The Chinese patent with the bulletin number of CN215645102U discloses a small-current double-head sheet type jack structure, which comprises an external support piece, wherein the internal reed is installed in the external support piece, both ends of the internal reed are used for being in plug-in connection with an adaptive sheet type contact pin, a fixing part is arranged on the external support piece, and the fixing part is matched with an external shell to limit the whole jack structure.

In practical use, the small-current double-head sheet type jack structure is used as a socket terminal assembly to be inserted into the socket shell, and then the contact pin is inserted into the socket terminal. To ensure convenient removal of the receptacle terminal assembly, the receptacle terminal assembly is typically inserted directly into the receptacle housing and is interference fit with the receptacle housing such that the receptacle terminal assembly is captured within the receptacle housing. However, when the contact pin is plugged into the socket terminal assembly, in order to ensure the stability of the contact pin when the contact pin is plugged into the socket terminal assembly, the retention force between the socket terminal assembly and the socket housing needs to be increased as much as possible, and how to increase the retention force between the socket terminal assembly and the socket housing, so that the improvement of the plugging stability of the contact pin and the socket terminal assembly is a technical problem to be solved urgently.

Disclosure of Invention

In view of the above-mentioned shortcomings in the prior art, the present utility model provides a socket and an electrical connector, which solve the technical problem of how to increase the retention force between the socket terminal assembly and the socket housing and improve the stability of the insertion of the pin and the socket terminal assembly.

The technical scheme of the utility model is realized as follows: the socket comprises a socket shell, wherein a cavity is formed in the socket shell, a socket terminal assembly is spliced in the cavity, and a guide groove is formed in the side wall of the cavity; the socket terminal assembly comprises a reed, a copper bar adapter is connected to the reed, and a barb structure in interference fit with the guide groove is arranged on the copper bar adapter.

Preferably, the guide groove is provided on a side wall of the cavity in the insertion direction of the receptacle terminal assembly; the copper bar adapter comprises a copper bar base body, wherein a connecting end is arranged on the copper bar base body, the barb structure is located on the connecting end, the copper bar base body is connected with a press riveting part, the copper bar base body, the press riveting part and the connecting end are integrally formed, and when the connecting end is located at one end of the copper bar base body, the press riveting part is located on any one plane of the end face, the front side face and the rear side face of the other end of the copper bar base body.

Preferably, the side wall of the cavity is symmetrically provided with two guide grooves, and the corresponding copper bar adapter is symmetrically provided with two barb structures.

Preferably, the copper bar adapter is connected with a reed, a supporting part is arranged on the outer side of the reed, and the reed, the supporting part and the connecting end are connected through rivets.

Preferably, the reed comprises an upper reed and a lower reed, the upper reed and the lower reed are arranged at two sides of the copper bar adapter in an up-down mode, the heads of the upper reed and the lower reed form a slot for inserting a contact pin, the tail parts of the upper reed and the lower reed are bent to form a reed base body, and the reed base body is connected with the copper bar adapter.

Preferably, the contact position between the upper reed and/or the lower reed and the contact pin is widened.

Preferably, the upper reed and the lower reed comprise cantilever groups connected with the reed base body, the cantilever groups comprise first cantilevers and second cantilevers, and the second cantilevers are positioned between two adjacent first cantilevers; and the adjacent cantilever groups and the first cantilever and the second cantilever are formed into an in-plane seamless cantilever structure by using a stamping forming mode, and the joint of the second cantilever and the reed matrix is bent so that the first cantilever and the second cantilever are positioned on different height planes.

Preferably, the ends of the first cantilever and the second cantilever are bent to form contact parts, and the contact parts of the first cantilever and the contact parts of the second cantilever are arranged at intervals along the vertical direction of the insertion of the contact pin; the contact portion of the first cantilever and the contact portion of the second cantilever are in the same plane along the insertion direction of the pin.

Preferably, a supporting part is arranged on the outer side of the reed; the supporting part comprises an upper shell positioned at the outer side of the upper reed and a lower shell positioned at the outer side of the lower reed; the upper shell and the lower shell comprise finger structures and plane connecting parts, the finger structures and the cantilever groups are correspondingly supported, the plane connecting parts are positioned on the outer sides of the reed base bodies, and the reed base bodies, the plane connecting parts and the connecting ends are connected through rivets.

The electric connector comprises a plug and the socket, wherein the plug is rotationally connected with a handle, the pin is arranged in the plug, and the socket is provided with a convex block matched with the handle in a concave-convex mode.

The utility model has the beneficial effects that:

1. According to the socket terminal assembly, the barb structure is arranged on the socket terminal assembly, the guide groove is arranged on the socket shell, after the socket terminal assembly is inserted into the socket shell, the barb structure is in interference fit with the guide groove, so that the retention force between the socket terminal assembly and the socket shell is increased, and the stability of the pin and the socket terminal assembly in fit connection is improved.

2. When the connecting end is positioned on the left side surface of the copper bar base body, the press riveting part is positioned on any plane of the right side surface, the front side surface and the rear side surface of the copper bar base body, so that the position of the press riveting part on the copper bar base body can be changed according to the requirements of customers, the application scene is increased, the application range of the whole socket and the connector is improved, and the applicability of the whole socket and the connector is improved.

3. The upper reed and the lower reed are subjected to widening treatment, so that the contact area with the contact pin is greatly increased, the current carrying capacity of the contact element is improved, the upper reed and the lower reed are formed in a stamping mode, no waste is generated in the width direction, and the space of the contact element can be fully utilized.

4. The reed is contacted with the contact pin in a layered manner, namely, the contact part of the first cantilever and the contact part of the second cantilever are positioned on the same height plane along the insertion direction of the contact pin, so that the reed is beneficial to good contact with the contact pin, and the contact part of the first cantilever and the contact part of the second cantilever are arranged at intervals along the vertical direction of the insertion of the contact pin and are positioned on two layers of planes, and only contacted with the contact part of the first cantilever or the contact part of the second cantilever when the contact pin is inserted, so that the insertion resistance can be effectively reduced, namely, the contact part of the first cantilever firstly contacts the contact pin and the contact part of the second cantilever firstly contacts the contact pin along the insertion direction of the contact pin.

Drawings

In order to more clearly illustrate the embodiments of the present utility model, the drawings that are required for the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

FIG. 1 is a schematic diagram of the present utility model.

Fig. 2 is a schematic view of a receptacle terminal assembly according to the present utility model.

Fig. 3 is a schematic view of a socket housing according to the present utility model.

Fig. 4 is a schematic diagram showing connection between the copper bar adapter, the reed and the supporting member according to the present utility model.

Fig. 5 is a schematic diagram showing the connection between the press-riveting part and the copper bar base.

Fig. 6 is a second schematic diagram of the connection between the press-riveting portion and the copper bar base.

In the figure, a1 plug assembly, a2 socket assembly, a 3 handle, a 4 socket housing, a 41 cavity, a 42 guide groove, a 43 plane structure, a 44 groove structure, a 6 socket terminal assembly, 61 reeds, a cantilever group, a first cantilever, b a second cantilever, 612 a reed base, 613 contact, 62 support members, 621 a finger structure, 622 plane connection parts, 63 copper bar adapters, 631 connection ends, 632 barb structures, 633 copper bar base, 634 press-riveted ends, 64 rivets, 65 slots.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to be within the scope of the utility model.

Embodiment 1, as shown in fig. 2, 3 and 4, a socket includes a socket housing 4, a cavity 41 is provided on the socket housing 4, the cavity 41 is plugged with a socket terminal assembly 6, and a guiding slot 42 is provided on a side wall of the cavity 41; the socket terminal assembly 6 comprises a spring 61, a copper bar adapter 63 is connected to the spring 61, and a barb structure 632 in interference fit with the guide groove 42 is arranged on the copper bar adapter 63. The socket terminal assembly is provided with the barb structure, the socket shell is provided with the guide groove, after the socket terminal assembly is inserted into the socket shell, the barb structure is in interference fit with the guide groove, the retention force between the socket terminal assembly and the socket shell is increased, the plug stability of the contact pin and the socket terminal assembly is improved, and the technical problem of how to increase the retention force between the socket terminal assembly and the socket shell and improve the plug stability of the contact pin and the socket terminal assembly is solved.

Embodiment 2, a socket, on the basis of embodiment 1, as shown in fig. 2, 3, 4, 5 and 6, the guide groove 42 is provided on the side wall of the cavity 41 in the insertion direction of the socket terminal assembly 6; the copper bar adapter 63 comprises a copper bar base 633, a connecting end 631 is arranged on the copper bar base 633, the barb structure 632 is arranged on the connecting end 631, the copper bar base 633 is connected with a press riveting portion 634, the copper bar base 633, the press riveting portion 634 and the connecting end 631 are integrally formed, and when the connecting end 631 is arranged at one end of the copper bar base 633, the press riveting portion 634 is arranged on any plane of the end face, the front side face and the rear side face of the other end of the copper bar base 633. As shown in fig. 5 and fig. 6, the copper bar adapter 63 includes a copper bar base 633, a connection end 631 is provided on the copper bar base 633, the barb structure 632 is located on the connection end 631, the copper bar base 633 is connected with a press-riveting portion 634, the position of the press-riveting portion 634 on the copper bar base 633 can be changed in multiple positions according to the requirements of customers, the position of the press-riveting portion 634 on the copper bar base 633 can be as shown in fig. 5 and fig. 6, fig. 5 is a rear side of the middle press-riveting portion 634 on the other end of the copper bar base 633, and fig. 6 is a rear side of the middle press-riveting portion 634 on the other end of the copper bar base 633. Wherein the press rivet 634 is connected with the copper bar inside the device, and the contact pin is connected with the lead.

In embodiment 3, as shown in fig. 2, 3 and 4, the side wall of the cavity 41 is symmetrically provided with two guiding grooves 42, and the corresponding copper bar adapter 63 is symmetrically provided with two barb structures 632. The two guide grooves 42 are symmetrically arranged to further limit the positions of the copper bar adapter 63, so that the copper bar adapter 63 is prevented from being deviated during insertion, the copper bar adapter 63 is ensured to correspond to the positions of the pins, and the situation that the pins are deviated from the copper bar adapter 63 after insertion is avoided.

In embodiment 4, as shown in fig. 4, 5 and 6, a spring 61 is provided on the copper bar adapter 63, a supporting member 62 is provided on the outer side of the spring 61, and the spring 61, the supporting member 62 and the connecting end 631 are connected by a rivet 64. Wherein the spring 61 is in insertion fit with the pin, and the support member 62 provides positive pressure to the spring 61, so that the spring 61 is tightly attached to the pin after the pin is inserted.

In embodiment 5, a socket is provided, on the basis of embodiment 4, as shown in fig. 4, 5 and 6, the reed 61 includes an upper reed and a lower reed, the upper reed and the lower reed are arranged on the copper bar adapter 63 up and down, the heads of the upper reed and the lower reed form a slot 65 into which a pin is inserted, the tail parts of the upper reed and the lower reed are bent to form a reed base 612, and the reed base 612 is connected with the copper bar adapter 63. The reed base 612 is connected with the copper bar adapter 63 through the rivet 64, and the upper reeds and the lower reeds which are arranged up and down are oppositely arranged, and the heads of the upper reeds and the lower reeds are relatively folded, so that after the contact pin is inserted, the upper reeds and the lower reeds are tightly attached to the contact pin.

Embodiment 6, a socket, based on embodiment 5, as shown in fig. 4, 5 and 6, wherein the contact position of the upper reed or the lower reed with the pin is widened. And the contact position of the upper reed or the lower reed and the contact pin is increased in width, namely flattening treatment is carried out. The upper reed and the lower reed with increased widths greatly improve the contact area with the contact pin, and are beneficial to improving the current carrying capacity of the contact.

Embodiment 7, a socket, on the basis of embodiment 6, as shown in fig. 4, 5 and 6, wherein the upper reed and the lower reed each comprise a cantilever group connected with the reed base 612, the cantilever group comprises a first cantilever a and a second cantilever b, and the second cantilever b is located between two adjacent first cantilevers a; and the adjacent cantilever groups and the first cantilever a and the second cantilever b are formed into an in-plane seamless cantilever structure by a stamping forming mode, and the joint of the second cantilever b and the reed base 612 is bent so that the first cantilever a and the second cantilever b are positioned on different height planes. And the adjacent cantilever groups and the first cantilever a and the second cantilever b form an in-plane seamless cantilever structure by using a stamping forming mode, and the joint of the second cantilever b and the reed matrix 612 is bent so that the first cantilever a and the second cantilever b are positioned on different height planes, thereby ensuring that the first cantilever a and the second cantilever b can not interfere with each other without blanking. Since the first cantilever a and the second cantilever b are separated by the stamping forming method, blanking is avoided during separation, and a gap formed between the first cantilever a and the second cantilever b by the stamping forming method is infinitely trended to zero, when the second cantilever b is restored to be at the same height as the first cantilever a, the plane is a seamless plane when the first cantilever a and the second cantilever b are at the same plane, and therefore, an in-plane seamless cantilever structure is formed between the first cantilever a and the second cantilever b by the stamping forming method. The in-plane seamless cantilever structure can also be realized by adopting other processes, such as a laser cutting process, the first cantilever a and the second cantilever b are separated by utilizing the laser cutting process, blanking is avoided during separation, a gap formed between the first cantilever a and the second cantilever b in a stamping forming mode tends to be zero infinitely, and the space of a contact piece can be fully utilized.

In embodiment 8, as shown in fig. 4, 5 and 6, in the socket according to embodiment 7, the ends of the first cantilever a and the second cantilever b are bent to form a contact portion 613, and the contact portion 613 of the first cantilever a is spaced from the contact portion 613 of the second cantilever b along the vertical direction in which the pin is inserted; the contact portion 613 of the first cantilever a and the contact portion 613 of the second cantilever b are in the same plane in the pin insertion direction. The contact portion 613 of the first cantilever a and the contact portion 613 of the second cantilever b are positioned at the same level in the pin insertion direction, which is advantageous for good contact with the pin. In addition, in the vertical direction of inserting the pins, the contact part 613 of the first cantilever a and the contact part 613 of the second cantilever b are arranged at intervals and are positioned on two layers of planes, and only contact with the contact part 613 of the first cantilever a or the contact part 613 of the second cantilever b when the pins are inserted, so that the insertion resistance can be effectively reduced, namely, the contact part 613 of the first cantilever a firstly contacts the pins and the contact part 613 of the second cantilever b firstly contacts the pins along the insertion direction of the pins.

Embodiment 9, a socket, on the basis of any one of embodiments 4 to 8, as shown in fig. 4, 5 and 6, the outside of the reed 61 is provided with a supporting member 62; the support member 62 includes an upper housing located outside the upper reed and a lower housing located outside the lower reed; the upper and lower housings each include a finger structure 621 and a planar connection portion 622, the finger structure 621 is supported corresponding to the cantilever set, the planar connection portion 622 is located outside the reed base 612, and the reed base 612, the planar connection portion 622 and the connection end 631 are connected by rivets 64. The upper and lower housings provide positive pressure to the upper and lower leaves, respectively, so that the leaf 61 is tightly attached to the pin after the pin is inserted. The assembly of the socket terminal assembly 6 of the present utility model can be completed by penetrating the upper reed, the lower reed, the upper housing and the lower housing in this order from top to bottom with the rivet 64 and fixedly connecting the upper reed, the lower reed, the upper housing and the lower housing.

Wherein the socket shell 4 is provided with a mounting groove, and a socket shielding layer is arranged in the mounting groove; the socket shell 4 is provided with a groove structure 44, and a plate end sealing element is arranged in the groove structure 44; the socket housing 4 is provided with a socket housing end face planar structure 43, and the planar structure 43 is attached to the press-riveting portion 634.

Embodiment 10, an electrical connector, on the basis of embodiment 9, as shown in fig. 1, 2, 3, 4, 5 and 6, includes a plug 1 and the above-mentioned socket 2, the plug 1 is rotatably connected with a handle 3, the plug 1 is internally provided with the pin, and the socket 2 is provided with a bump matched with the handle 3 in a concave-convex manner. After the plug 1 and the socket 2 are plugged, the contact pin is plugged and matched with the reed 61, and the plug 1 and the socket 2 are clamped by the aid of the matching assistance of the handle 3 and the protruding blocks. That is, the handle 3 is a power assisting mechanism, and the handle 3 is designed to save labor when the plug 1 and the socket 2 are plugged.

In the embodiment 10, the pin is installed in the plug 1, then the socket terminal assembly 6 is inserted into the cavity 41 on the socket housing 4, and the supporting member 62 is in interference fit with the cavity 41, so that the socket terminal assembly 6 is clamped in the socket housing 4, and meanwhile, the barb structure 632 is inserted into the guiding groove 42, so that interference insertion fit of the barb structure 632 and the guiding groove 42 is completed, friction force between the socket terminal assembly 6 and the socket housing 4 is improved, and the socket 2 with higher stability is formed; then, the contact pin on the plug 1 corresponds to the slot 65 on the socket 2, after the contact pin is inserted into the slot 65, the handle 3 is rotated, the handle 3 is matched with the convex block in a concave-convex mode, and the plug 1 and the socket 2 are clamped through the aid of the handle 3.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (10)

1. The socket comprises a socket shell (4), and is characterized in that a cavity (41) is formed in the socket shell (4), a socket terminal assembly (6) is inserted into the cavity (41), and a guide groove (42) is formed in the side wall of the cavity (41); the socket terminal assembly (6) comprises a reed (61), a copper bar adapter (63) is connected to the reed (61), and a barb structure (632) in interference fit with the guide groove (42) is arranged on the copper bar adapter (63).

2. The socket according to claim 1, wherein the guide groove (42) is provided on a side wall of the cavity (41) in the insertion direction of the socket terminal assembly (6); copper bar adaptor (63) are equipped with link (631) including copper bar base member (633) on copper bar base member (633), barb structure (632) are located link (631), be connected with on copper bar base member (633) and press and rivet portion (634), copper bar base member (633), press and rivet portion (634) and link (631) integrated into one piece, when link (631) are located the one end of copper bar base member (633), press and rivet portion (634) are located the terminal surface of copper bar base member (633) other end, the arbitrary plane of leading flank and trailing flank.

3. The socket of claim 2, wherein two of said guide grooves (42) are symmetrically disposed on a side wall of said cavity (41), and two of said barb structures (632) are symmetrically disposed on a corresponding copper bar adapter (63).

4. A socket according to claim 3, wherein the copper bar adapter (63) is connected with a reed (61), a supporting member (62) is arranged on the outer side of the reed (61), and the reed (61), the supporting member (62) and the connecting end (631) are connected by rivets (64).

5. The socket of claim 4, wherein the spring plate (61) comprises an upper spring plate and a lower spring plate, the upper spring plate and the lower spring plate are arranged on two sides of the copper bar adapter (63) up and down, the heads of the upper spring plate and the lower spring plate form a slot (65) for inserting a pin, the tail parts of the upper spring plate and the lower spring plate are bent to form a spring plate base body (612), and the spring plate base body (612) is connected with the copper bar adapter (63).

6. The socket of claim 5, wherein the contact position of the upper and/or lower spring and the pin is widened.

7. The socket of claim 6 wherein the upper and lower leaves each comprise a cantilever stack connected to a leaf base (612), the cantilever stack comprising a first cantilever (a) and a second cantilever (b), the second cantilever (b) being located between two adjacent first cantilevers (a); and forming an in-plane seamless cantilever structure between adjacent cantilever groups () and between the first cantilever (a) and the second cantilever (b) by using a stamping forming mode, and bending the joint of the second cantilever (b) and the reed base body (612) so that the first cantilever (a) and the second cantilever (b) are positioned on different height planes.

8. The socket of claim 7, wherein the ends of the first cantilever (a) and the second cantilever (b) are bent to form a contact portion (613), and the contact portion (613) of the first cantilever (a) is spaced from the contact portion (613) of the second cantilever (b) in a vertical direction in which the pin is inserted; the contact portion (613) of the first cantilever (a) and the contact portion (613) of the second cantilever (b) are in the same plane in the direction in which the pin is inserted.

9. The socket according to any one of claims 4 to 8, wherein a supporting member (62) is provided outside the reed (61); the supporting part (62) comprises an upper shell positioned outside the upper reed and a lower shell positioned outside the lower reed; the upper shell and the lower shell respectively comprise a finger structure (621) and a plane connecting part (622), the finger structure (621) is correspondingly supported by the cantilever group (), the plane connecting part (622) is positioned on the outer side of the reed base body (612), and the reed base body (612) and the plane connecting part (622) are connected with the connecting end (631) through rivets (64).

10. An electric connector is characterized by comprising a plug (1) and the socket (2) of claim 9, wherein a handle (3) is rotationally connected to the plug (1), the pin is arranged in the plug (1), and the socket (2) is provided with a convex block matched with the handle (3) in a concave-convex manner.