CN219180807U - Sheet type contact piece jack structure - Google Patents

Abstract

The utility model discloses a jack structure of a sheet type contact element, which comprises an upper reed and a lower reed which are formed by punching a copper plate and are vertically distributed to form slots, wherein the slots formed by the heads of the upper reed and the lower reed are used for inserting a pin, the tail parts of the upper reed and the lower reed respectively extend out and are bent to form a first bending part and a second bending part, and the first bending part and the second bending part are fixed in a matching way and are directly communicated with a lead; the contact position of the upper reed or the lower reed and the contact pin is widened. The tail parts of the upper reed and the lower reed are directly communicated with the lead, so that the resistance riveting in the combined contact is reduced, the integrally formed bending part is utilized to replace a connecting sheet in the combined contact, and compared with the combined contact, the integrally formed structure of the combined contact relatively reduces the contact resistance, and the technical problems that the temperature of the contact is relatively increased and the service life of the contact is relatively reduced due to further increase of the contact resistance of the combined contact in the prior art are solved.

Description

Sheet type contact piece jack structure

Technical Field

The utility model relates to the technical field of electric automobile contacts, in particular to a plate type contact jack structure.

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. Therefore, a small-sized and high-current-carrying-capacity sheet-type contact is required.

The Chinese patent with the publication number of CN115603085A discloses a jack structure of a sheet type contact element, which comprises a reed and a clamping shell, wherein the reed is arranged in the clamping shell, and is characterized in that the reed comprises an upper reed and a lower reed which are vertically distributed to form slots, the upper reed and the lower reed both comprise a reed base body and cantilever groups, and at least two cantilever groups are arranged on the reed base body; the cantilever group comprises first cantilevers and second cantilevers, a second cantilever is arranged between two adjacent first cantilevers, and the joint of the second cantilever and the reed matrix is bent so that the second cantilever and the first cantilever are positioned on different height planes. However, in this disclosure, the reed is placed on two sides of the outer portion of the connecting piece, the clamping shell is placed on the outer surface of the reed, and then the clamping shell, the reed and the connecting piece are fixed together by riveting with rivets, so that the contact resistance of the combined contact is further increased because the contact resistance is not directly formed integrally, and the temperature of the contact is relatively increased when current passes through the contact resistance, and the service life of the contact is relatively reduced.

Disclosure of Invention

Aiming at the defects in the background technology, the utility model provides a sheet type contact element jack structure, which solves the technical problems that the contact resistance of a combined contact element in the prior art is further increased, so that the temperature of the contact element can be relatively increased, and the service life of the contact element is relatively reduced.

The technical scheme of the utility model is realized as follows: the jack structure of the sheet type contact piece comprises an upper reed and a lower reed which are formed by punching a copper plate and are vertically distributed to form slots, wherein the slots formed by the heads of the upper reed and the lower reed are used for inserting a contact pin, the tail parts of the upper reed and the lower reed respectively extend out and are bent to form a first bending part and a second bending part, the first bending part and the second bending part are matched and fixed and are directly communicated with a wire, and the outer sides of the upper reed and the lower reed are provided with supporting shells; the contact position of the upper reed or the lower reed and the contact pin is widened.

The upper reed and the lower reed comprise a reed base body and a cantilever group, one end of the reed base body on the upper reed is connected with the cantilever group, the other end of the reed base body on the lower reed is connected with the cantilever group, and the other end of the reed base body on the lower reed is connected with the second bending part.

The cantilever group includes first cantilever and second cantilever, and first cantilever one end is connected with the reed base member, and the first cantilever other end is connected with first buckling, and second cantilever one end is connected with the reed base member after buckling, and the second cantilever other end is connected with the second buckling, first buckling and second buckling all make widening, set up two at least first cantilevers on the reed base member, all set up the second cantilever 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.

The upper reed and the lower reed are connected with the supporting shell through rivets, the supporting shell comprises an upper shell and a lower shell which are vertically distributed and used for supporting the upper reed and the lower reed, the upper shell is positioned on the top surface of the upper reed, and the lower shell is positioned on the bottom surface of the lower reed.

The upper shell and the lower shell comprise a shell matrix and a support arm group, one end of the shell matrix of the upper shell is connected with the support arm group, the other end of the shell matrix of the upper shell is connected with the first L-shaped plate, one end of the shell matrix of the lower shell is connected with the support arm group, and the other end of the shell matrix of the lower shell is connected with the second L-shaped plate.

The rivet sequentially penetrates through the first L-shaped plate, the first bending part, the second bending part and the second L-shaped plate from top to bottom, and the upper reed, the lower reed, the upper shell and the lower shell are fixedly connected.

The support arm group comprises a first support arm and a second support arm, one ends of the first support arm and the second support arm are connected with the shell base body, and the other ends of the first support arm and the second support arm are respectively connected with the first support bending and the second support bending. The first support bending corresponds to the matched support first bending, and the second support bending corresponds to the matched support second bending.

The tail parts of the upper reed and the lower reed respectively extend out and bend to form the bending part, the bending part is directly communicated with the lead, the resistance riveting in the combined contact is reduced, the integrally formed bending part is utilized to replace a connecting sheet in the combined contact, compared with the combined contact, the integrally formed structure of the combined contact relatively reduces the contact resistance, and the technical problems that the temperature of the contact is relatively increased and the service life of the contact is relatively reduced due to the fact that the contact resistance is further increased in the combined contact in the prior art are solved. On the other hand, the contact resistance is reduced, the current carrying capacity of the contact is improved, and compared with a combined contact under the same current carrying capacity, the contact is smaller in size and lower in production cost. The widened upper reed and lower reed greatly improve the contact area with the contact pin, and are beneficial to improving the current carrying capacity of the contact. The upper reed and the lower reed are formed in a stamping mode, no waste material exists in the width direction, and the space of the contact piece can be fully utilized.

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 perspective view of the present utility model.

Fig. 2 is an exploded view of the present utility model.

Fig. 3 is a top view of the present utility model.

Fig. 4 is a cross-sectional view of fig. 3.

In the figure, an upper reed, a lower reed, a first bending part 3, a second bending part 4, a supporting shell 5, a reed base 6, a cantilever group 7, a first cantilever 8, a second cantilever 9, a first bending 10, a second bending 11, an upper shell 12, a lower shell 13, a rivet 14, a supporting shell 15, a supporting arm group 16, a first L-shaped plate 17, a second L-shaped plate 18, a first supporting arm 19, a second supporting arm 20, a first supporting bending 21 and a second supporting bending 22 are arranged.

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.

As shown in fig. 1 and fig. 2, embodiment 1, a jack structure of a sheet contact element, which includes an upper reed 1 and a lower reed 2 that are formed by punching a copper plate and are arranged up and down to form slots, the slots formed by the heads of the upper reed 1 and the lower reed 2 are used for inserting pins, the tails of the upper reed 1 and the lower reed 2 respectively extend out and are bent to form a first bending part 3 and a second bending part 4, the first bending part 3 and the second bending part 4 are matched and fixed and are directly communicated with a wire, and after the first bending part 3 and the second bending part 4 are matched and fixed, connection with the wire or other parts can be realized by means of bolting, resistance welding, ultrasonic welding or crimping. The first kink 3 and the direct and wire direct intercommunication of second kink 4 have reduced the resistance riveting in the combination formula contact, have utilized integrated into one piece's kink to replace the connection piece in the combination formula contact, compare the combination formula contact, the integrated into one piece structure of this application has reduced contact resistance relatively, has solved the combination formula contact among the prior art, contact resistance is further increased, leads to the contact temperature to rise relatively, the technical problem that contact's life reduces relatively. The outer sides of the upper reed 1 and the lower reed 2 are provided with a supporting shell 5; the contact position of the upper reed 1 or the lower reed 2 and the contact pin is increased in width. The upper reed 1 and the lower reed 2 with increased widths greatly improve the contact area with the contact pin, and are beneficial to improving the current carrying capacity of the contact. The increased width of the upper leaf spring 1 or the lower leaf spring 2 needs to ensure that no interference between the leaf springs occurs.

As shown in fig. 2 and fig. 4, the upper reed 1 and the lower reed 2 each include a reed base 6 and a cantilever group 7, one end of the reed base 6 on the upper reed 1 is connected with the cantilever group 7, the other end is connected with the first bending part 3, one end of the reed base 6 on the lower reed 2 is connected with the cantilever group 7, and the other end is connected with the second bending part 4. The cantilever group 7 includes first cantilever 8 and second cantilever 9, and first cantilever 8 one end is connected with reed base member 6, and first cantilever 8 other end is connected with first 10 of buckling, and second cantilever 9 one end is buckled the back and is connected with reed base member 6, and the second cantilever 9 other end is connected with the second 11 of buckling, first 10 of buckling and second 11 of buckling all do increase the width, need guarantee to appear not interfere after first 10 of buckling and the second 11 increase the width. At least two first cantilevers 8 are arranged on the reed base body 6, and a second cantilever 9 is arranged between every two adjacent first cantilevers 8. Preferably, eight first cantilevers 8 are arranged on the reed base 6, and seven second cantilevers 9 are arranged on the corresponding reed base 6. The contact points of the first bending 10 and the second bending 11 with the pins are positioned on the same height plane, which is beneficial to good contact with the pins. And the first bending 10 and the second bending 11 are divided into two layers along the extending direction of the cantilever, so that the insertion force can be effectively reduced when the contact pin is inserted, namely, the first bending 10 contacts the contact pin firstly and the second bending 11 contacts the contact pin later along the extending direction of the cantilever.

As shown in fig. 4, the adjacent cantilever groups 7 and the first cantilever 8 and the second cantilever 9 form an in-plane seamless cantilever structure by using a stamping forming mode, and the joint of the second cantilever 9 and the reed base 6 is bent, so that the first cantilever 8 and the second cantilever 9 are positioned on different height planes, and the first cantilever 8 and the second cantilever 9 can not interfere with each other without blanking. Since the first cantilever 8 and the second cantilever 9 are separated by the press forming method, no blanking occurs during the separation, and the gap formed by the press forming method between the first cantilever 8 and the second cantilever 9 tends to be zero infinitely, when the second cantilever 9 is restored to be at the same height as the first cantilever 8, the first cantilever 8 and the second cantilever 9 are in a plane, and the plane presents a seamless plane, so that an in-plane seamless cantilever structure is formed between the first cantilever 8 and the second cantilever 9 by the press 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 8 and the second cantilever 9 are separated by utilizing the laser cutting process, blanking is avoided during separation, a gap formed by a stamping forming mode between the first cantilever 8 and the second cantilever 9 tends to be zero infinitely, and the space of a contact piece can be fully utilized.

As shown in fig. 3 and 4, the upper reed 1 and the lower reed 2 are connected to the support housing 5 by rivets 14, the support housing 5 includes an upper housing 12 and a lower housing 13 which support the upper reed 1 and the lower reed 2 in an up-down arrangement, the upper housing 12 is located on the top surface of the upper reed 1, and the lower housing 13 is located on the bottom surface of the lower reed 2. The upper shell 12 and the lower shell 13 comprise a shell base 15 and a support arm group 16, one end of the shell base 15 of the upper shell 12 is connected with the support arm group 16, the other end is connected with a first L-shaped plate 17, one end of the shell base 15 of the lower shell 13 is connected with the support arm group 16, and the other end is connected with a second L-shaped plate 18. The rivet 14 penetrates through the first L-shaped plate 17, the first bending part 3, the second bending part 4 and the second L-shaped plate 18 in sequence from top to bottom, and fixedly connects the upper reed 1, the lower reed 2, the upper shell 12 and the lower shell 13. The support arm set 16 includes a first support arm 19 and a second support arm 20, one ends of the first support arm 19 and the second support arm 20 are connected to the housing base 15, and the other ends of the first support arm 19 and the second support arm 20 are connected to a first support bending 21 and a second support bending 22, respectively. The first supporting bending 21 correspondingly supports the first bending 10 in a matched mode, and the second supporting bending 22 correspondingly supports the second bending 11 in a matched mode. The number of the support arm groups 16 corresponds to the number of the cantilever groups 7 one by one. The preferred upper housing 12 and lower housing 13 are identical in construction.

In the embodiment 1, the upper spring plates 1 of the eight first cantilevers 8 and the seven second cantilevers 9 are manufactured by using a stamping forming mode, then the second cantilevers 9 on the upper spring plates 1 are bent, the structures of the lower spring plates 1 and the structures of the upper spring plates 2 are similar, the first bending part 3 of the upper spring plates 1 is supported by the second bending part 4 of the lower spring plates 2, then the upper shell 12 and the lower shell 13 are stamped, after the upper spring plates 1 are placed on the lower spring plates 2, the upper shell 12 is placed above the upper spring plates 1, meanwhile, the lower shell 13 is placed below the lower spring plates 2, then the upper spring plates 1, the lower spring plates 2, the upper shell 12 and the lower shell 13 are penetrated through in sequence from top to bottom by rivets 14, and the upper spring plates 1, the lower spring plates 2, the upper shell 12 and the lower shell 13 are fixedly connected, so that the assembly of the embodiment 1 of the utility model can be completed.

As shown in fig. 3, in embodiment 2, unlike embodiment 1, in order to ensure that the overall dimension of the entire jack structure is not increased and the deformation direction is easily controlled, it is preferable that the first bending 10 or the second bending 11 located at both sides of the reed base 6 is not flattened, and the first bending 10 and the second bending 11 located between both sides of the reed base 6 are flattened, i.e., neither the first bending 10 nor the second bending 11 located at the side of the reed base 6 is flattened.

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 (9)

1. The utility model provides a piece formula contact jack structure, including upper reed (1) and lower reed (2) that are upper and lower arrangement and form the slot, its characterized in that, the slot that upper reed (1) and the head of lower reed (2) formed supplies the contact pin to insert, and the afterbody of upper reed (1) and lower reed (2) stretches out respectively and buckles and form first kink (3) and second kink (4), and first kink (3) and second kink (4) cooperate fixedly and with wire direct intercommunication, and the outside of upper reed (1) and lower reed (2) is equipped with support shell (5); the contact position of the upper reed (1) or the lower reed (2) and the contact pin is widened.

2. The jack structure of the sheet type contact element according to claim 1, wherein the upper reed (1) and the lower reed (2) each comprise a reed base body (6) and a cantilever group (7), one end of the reed base body (6) on the upper reed (1) is connected with the cantilever group (7), the other end is connected with the first bending part (3), one end of the reed base body (6) on the lower reed (2) is connected with the cantilever group (7), and the other end is connected with the second bending part (4).

3. The jack structure of a sheet contact according to claim 2, wherein the cantilever group (7) includes a first cantilever (8) and a second cantilever (9), one end of the first cantilever (8) is connected with the reed base body (6), the other end of the first cantilever (8) is connected with a first bending (10), one end of the second cantilever (9) is connected with the reed base body (6) after bending, the other end of the second cantilever (9) is connected with a second bending (11), the first bending (10) and the second bending (11) are widened, at least two first cantilevers (8) are arranged on the reed base body (6), and the second cantilevers (9) are arranged between every two adjacent first cantilevers (8).

4. A blade contact jack structure according to claim 3, characterized in that the in-plane seamless cantilever structure is formed between adjacent cantilever groups (7) and between the first cantilever (8) and the second cantilever (9) by means of stamping, and the connection of the second cantilever (9) and the reed base (6) is bent so that the first cantilever (8) and the second cantilever (9) are located at different height planes.

5. The jack structure of a sheet type contact member according to any one of claims 1 to 4, wherein the upper reed (1) and the lower reed (2) are connected with a supporting housing (5), the supporting housing (5) comprises an upper housing (12) and a lower housing (13) which are arranged up and down to support the upper reed (1) and the lower reed (2), the upper housing (12) is located on the top surface of the upper reed (1), and the lower housing (13) is located on the bottom surface of the lower reed (2).

6. The blade contact jack structure according to claim 5, wherein the upper housing (12) and the lower housing (13) each include a housing base (15) and a support arm group (16), one end of the housing base (15) of the upper housing (12) is connected to the support arm group (16), the other end is connected to the first L-shaped plate (17), and one end of the housing base (15) of the lower housing (13) is connected to the support arm group (16), and the other end is connected to the second L-shaped plate (18).

7. The blade contact jack structure according to claim 6, wherein the upper reed (1), the lower reed (2), the upper housing (12) and the lower housing (13) are fixedly connected by rivets (14), and the rivets (14) sequentially penetrate through the first L-shaped plate (17), the first bending portion (3), the second bending portion (4) and the second L-shaped plate (18) from top to bottom.

8. The blade contact receptacle structure according to claim 7, wherein the support arm group (16) includes a first support arm (19) and a second support arm (20), one ends of the first support arm (19) and the second support arm (20) are connected to the housing base body (15), and the other ends of the first support arm (19) and the second support arm (20) are connected to a first support bend (21) and a second support bend (22), respectively.

9. The blade contact receptacle structure of claim 8, wherein the first support bend (21) correspondingly matingly supports the first bend (10) and the second support bend (22) correspondingly matingly supports the second bend (11).

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