CN218498392U

CN218498392U - Heavy-load connector and female insulating seat thereof

Info

Publication number: CN218498392U
Application number: CN202222809905.6U
Authority: CN
Inventors: 钱鹏; 秦长辉; 曾凡乐
Original assignee: Beisit Electric Tech Hangzhou Co ltd
Current assignee: Beisit Electric Tech Hangzhou Co ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-02-17
Anticipated expiration: 2032-10-24

Abstract

The utility model discloses a heavy load connector and female insulator seat thereof, wherein, female insulator seat includes the grounding piece, and the free end integral type of grounding piece is equipped with elastic contact portion, and elastic contact portion relies on elastic force and grounding pin elastic contact, and elastic contact portion accessible resumes elastic deformation and compensates the wearing and tearing volume of grounding piece, makes to remain in close contact all the time between elastic contact portion and the grounding pin, reduces grounding piece and the bad contact risk of grounding pin, does benefit to and promotes the connection reliability.

Description

Heavy-load connector and female insulating base thereof

Technical Field

The utility model relates to a jointing equipment field, in particular to heavy load connector and female insulator seat thereof.

Background

The modular structure and the integrated circuit of the heavy-duty connector can provide reliable mechanical and environmental protection for electrical connection, so that the heavy-duty connector has the advantages of high installation efficiency, high reliability and the like, can withstand the test of the worst industrial environment, and is widely applied to engineering machinery, electric locomotives and the like.

The heavy-duty connector comprises a female insulation seat and a male insulation seat, wherein a plurality of grounding pieces are fixedly inserted into one end of the female insulation seat in an embedding manner, a plurality of grounding pieces are correspondingly arranged on the male insulation seat, and when the female insulation seat and the male insulation seat are connected in an inserting manner, all the grounding pieces are in one-to-one contact with all the grounding pins, so that signal transmission is realized. However, due to the limitation of the prior art, the structural design of the grounding strip is not reasonable, for example, the grounding strip is in poor contact with the grounding pin due to serious abrasion caused by long-term use, so that the connection between the grounding strip and the grounding pin is not reliable.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the present invention is to provide a heavy load connector and a female insulating base thereof, wherein the grounding piece of the female insulating base is elastically contacted with the grounding pin by adding the elastic contact portion, so that the connection reliability is improved.

The utility model provides a female insulating seat of heavy load connector, including the grounding piece, the free end integral type of grounding piece is equipped with elastic contact portion, elastic contact portion be used for with grounding pin elastic contact.

Preferably, the elastic contact part is a contact spring, and the contact spring is bent from the free end of the grounding piece to one side close to the grounding pin.

Preferably, the contact spring is a fold line type contact spring.

Preferably, the contact spring is a circular arc contact spring.

Preferably, the elastic contact part is embodied as a contact spring, and the contact spring is vertically connected with the grounding plate.

Preferably, the elastic contact part is provided with a contact groove which is used for being matched with the outer side surface of the grounding pin.

Preferably, the contact groove is a circular arc groove, and the outer side surface is a cylindrical surface.

Preferably, the socket further comprises a socket body and a conductive contact provided with a grounding sheet, wherein the conductive contact is provided with a clamping groove, and the clamping groove is used for being matched with a clamping protrusion arranged on the socket body in a clamping mode.

Preferably, one side of the clamping groove, which is far away from the clamping protrusion, is provided with a fillet.

The utility model provides a heavy load connector, including public insulating seat and above-mentioned arbitrary female insulating seat, the earthing pin of public insulating seat contacts with the earthing strip of female insulating seat.

For the background art, the utility model provides a female insulator seat of heavy load connector, including the grounding piece, the free end integral type of grounding piece is equipped with elastic contact portion, elastic contact portion relies on elastic force and earth pin elastic contact, elastic deformation takes place this moment in elastic contact portion, even if elastic contact portion has wearing and tearing, elastic contact portion still has the trend of buckling to the earth pin, elastic contact portion accessible resumes elastic deformation and compensates the wearing and tearing volume of grounding piece, make and remain in close contact with between elastic contact portion and the earth pin all the time, reduce grounding piece and the bad risk of earth pin contact, do benefit to and promote the connection reliability.

The utility model provides a heavy load connector, including above-mentioned female insulating seat, have the same beneficial effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a structural diagram of a female insulator seat of a heavy duty connector according to an embodiment of the present invention;

FIG. 2 is a structural diagram of the grounding plate of FIG. 1;

FIG. 3 is a partial cross-sectional view of the grounding plate of FIG. 1 in contact with a grounding pin;

FIG. 4 is a cross-sectional view of the grounding plate of FIG. 1 in contact with a grounding pin;

fig. 5 is an exploded view of fig. 1.

The reference numbers are as follows:

seat body 1, joint arch 11, horizontal arch 12, conductive contact 2, ground lug 21, elastic contact portion 22, contact groove 23, joint recess 24, fillet 241, U type draw-in groove 25 and earth pin 3.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In order to make the technical field of the present invention better understand, the present invention is further described in detail with reference to the attached drawings and specific embodiments.

Referring to fig. 1 to 5, fig. 1 is a structural diagram of a female insulating base of a heavy-duty connector according to an embodiment of the present invention; FIG. 2 is a structural diagram of the grounding plate of FIG. 1; FIG. 3 is a partial cross-sectional view of the grounding plate of FIG. 1 in contact with a grounding pin; FIG. 4 is a cross-sectional view of the grounding plate of FIG. 1 in contact with a grounding pin; fig. 5 is an exploded view of fig. 1.

The embodiment of the utility model discloses female insulating seat of heavy load connector, locate conductive contact 2 including grounding piece 21 integral type on, as shown in fig. 2, conductive contact 2's transversal personally submits the C type, including the left side board that the integration links to each other, middle curb plate and right side board, left side board and right side board symmetry set up, the two respectively with 1 looks joint of seat body, the rectangle through-hole has been seted up at the center of middle curb plate, the top side of rectangle through-hole is equipped with grounding piece 21 along the integral type. The outside of the left side board and the right side board is all equipped with the engaging lug that turns over to the outside perpendicularly, and the engaging lug links firmly together through the bolt with seat body 1.

The female insulating base further comprises a base body 1 and a conductive contact 2, and the grounding piece 21 is fixedly arranged on the conductive contact 2. Clamping grooves 24 are respectively formed in the left side and the right side of the conductive contact 2, clamping protrusions 11 are correspondingly formed in the two sides of the seat body 1 respectively, the clamping grooves 24 are matched with the clamping protrusions 11, the conductive contact 2 is limited to move up and down relative to the seat body 1, the seat body 1 and the conductive contact 2 can be reliably connected, and the disassembly and the assembly of the seat body and the conductive contact can be facilitated. The left side plate and the right side plate of the conductive contact 2 are symmetrically provided with clamping grooves 24. Furthermore, the left side plate and the right side plate of the conductive contact 2 are symmetrically provided with U-shaped clamping grooves 25, the seat body 1 is correspondingly provided with transverse protrusions 12, the U-shaped clamping grooves 25 are in clamping fit with the transverse protrusions 12, the conductive contact 2 is further limited to move left and right relative to the seat body 1, and the seat body 1 and the conductive contact 2 are connected more reliably.

One side of the clamping groove 24, which is far away from the clamping protrusion 11, is provided with a fillet 241, so that the problem of stress concentration can be effectively reduced when the seat body 1 and the conductive contact 2 are connected, and the service life of the seat body 1 can be prolonged.

The free end of the grounding strip 21, namely the end in contact with the grounding pin 3, the integral type is provided with the elastic contact part 22, the elastic contact part 22 is in elastic contact with the grounding pin 3 by means of elastic force, the elastic contact part 22 is elastically deformed at the moment, even if the elastic contact part 22 is abraded, the elastic contact part 22 still has the tendency of bending towards the grounding pin 3, the elastic contact part 22 can compensate the abrasion loss of the grounding strip 21 by restoring the elastic deformation, so that the elastic contact part 22 and the grounding pin 3 are always in close contact with each other, the risk of poor contact between the grounding strip 21 and the grounding pin 3 is reduced, and the connection reliability is favorably improved.

In the first embodiment, the elastic contact portion 22 is a contact spring, and the contact spring is bent from the free end of the grounding plate 21 to a side close to the grounding pin 3. The contact spring may preferably be a fold line type contact spring, as shown in fig. 1, the fold line type contact spring is composed of two integrally connected metal sheets, each metal sheet forms a certain included angle with the grounding plate 21, so that the fold line type contact spring has a tendency of approaching the grounding pin 3 as a whole.

Of course, the contact spring may also be an arc-shaped contact spring, and the arc-shaped contact spring has an arc-shaped protrusion bent close to the grounding pin 3 and still has a tendency to approach the grounding pin 3. The type of the contact spring is not limited to these two types, and may be other types of structures, such as a wave shape, and the like, and is not limited in particular.

The elastic contact part 22 is provided with a contact groove 23, the contact groove 23 is matched with the outer side surface of the grounding pin 3, the contact area between the grounding piece 21 and the grounding pin 3 is increased, and the connection reliability can be further improved. Specifically, the outer surface of the grounding pin 3 is a cylindrical surface, and the contact groove 23 is correspondingly an arc groove. Of course, the outer surface of the grounding pin 3 is not limited to a cylindrical surface, but may be a rectangular surface or other curved surface, and the contact groove 23 only needs to be adaptively adjusted.

Compared with the first embodiment, the second embodiment is characterized by changing the type of the elastic contact portion 22, and the rest of the technical solutions are the same as the first embodiment.

In a second embodiment, the elastic contact portion 22 is a contact spring, which may be a common cylindrical spring, and the contact spring may be fixed to the free end of the grounding plate 21 by welding. Contact spring is perpendicular with grounding piece 21, locates one side that grounding piece 21 is close to grounding pin 3, and when grounding piece 21 links to each other with grounding pin 3, contact spring extrudees between grounding piece 21 and grounding pin 3, and contact spring still can compensate grounding piece 21's wearing and tearing volume to a certain extent through recovering elastic deformation, ensures that grounding piece 21 keeps in close contact with grounding pin 3. It should be noted that the material of the contact spring is fixed to the material of the grounding plate 21, which is beneficial to both welding and signal conduction.

The embodiment of the utility model provides a still disclose a heavy load connector, including public insulating seat and above-mentioned female insulating seat, public insulating seat is pegged graft with female insulating seat and is linked to each other, and the earthing pin 3 of public insulating seat contacts with the earthing strip 21 of female insulating seat, has the same beneficial effect.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The female insulation seat of the heavy-duty connector is characterized by comprising a grounding sheet (21), wherein an elastic contact part (22) is integrally arranged at the free end of the grounding sheet (21), and the elastic contact part (22) is used for being in elastic contact with a grounding pin (3).

2. Female insulating seat according to claim 1, characterized in that said elastic contact portion (22) is embodied as a contact spring, said contact spring being bent from the free end of said grounding plate (21) to a side close to said grounding pin (3).

3. The female insulator base of a heavy-duty connector according to claim 2, wherein said contact spring is a polygonal contact spring.

4. The female insulator base of a heavy-duty connector according to claim 2, wherein said contact spring is a circular arc contact spring.

5. Female insulating seat of a heavy-duty connector according to any one of claims 1 to 3, characterized in that the resilient contact portion (22) is embodied as a contact spring, which is connected perpendicularly to the grounding plate (21).

6. Female insulating seat of a heavy-duty connector according to any one of claims 1 to 3, characterized in that said elastic contact portion (22) is provided with a contact groove (23), said contact groove (23) being intended to coincide with the outer side of the grounding pin (3).

7. Female insulator seat according to claim 6, characterized in that the contact recess (23) is embodied as a circular arc recess and the outer lateral surface is embodied as a cylindrical surface.

8. The female insulation seat of a heavy-duty connector according to any one of claims 1 to 3, further comprising a seat body (1) and a conductive contact (2) provided with the grounding plate (21), wherein the conductive contact (2) is provided with a clamping groove (24), and the clamping groove (24) is used for clamping and matching with a clamping protrusion (11) arranged on the seat body (1).

9. Female insulating seat for heavy-duty connectors according to claim 8, characterized in that the side of the clamping groove (24) remote from the clamping protrusion (11) is provided with a rounded corner (241).

10. A heavy duty connector comprising a male housing and a female housing as claimed in any one of claims 1 to 9, the grounding pin (3) of the male housing being in contact with the grounding plate (21) of the female housing.