CN213959183U

CN213959183U - U-shaped spring leaf for electric connector

Info

Publication number: CN213959183U
Application number: CN202120303784.0U
Authority: CN
Inventors: 张红娟; 王国堂; 赵平堂; 王永安; 范亚东
Original assignee: Henan THB Electric Co Ltd
Current assignee: Henan THB Electric Co Ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-08-13
Anticipated expiration: 2031-02-03

Abstract

The utility model provides a U type reed for electric connector for solve current electric connector's contact and adopt the mode preparation of machining more, have the technical problem that machining efficiency is low, with high costs. The utility model comprises a reed body, wherein the reed body comprises a U-shaped reed base body, the lower ends of two side walls of the reed base body are both connected with elastic structures, and the lower ends of the elastic structures are connected with a connecting plate; the elastic structure is provided with an elastic contact structure, and the elastic contact structure is matched with the contact piece. The utility model has simple structure and easy processing; the contact points are arranged, so that the contact resistance is effectively reduced, high current can be carried, and the temperature rise is low; meanwhile, the elastic contact structure is in layered contact with the plug or the socket, so that the increase of the insertion force is gentle, the peak insertion force is reduced, the force value is increased gently, and the insertion comfort is improved.

Description

U-shaped spring leaf for electric connector

Technical Field

The utility model relates to an electric connector technical field, concretely relates to U type reed for electric connector.

Background

In addition to meeting common performance requirements, electrical connectors are particularly important in that they must achieve good contact, reliable operation, ease of maintenance, and the like. The contact is the key part of electric connector, and the main circular terminal that uses in the existing market, and adopt the mode preparation of machining mostly, have the low and with high costs problem of machining efficiency, have gradually not satisfied the user demand of new forms of energy electric automobile rapid development.

SUMMERY OF THE UTILITY MODEL

The utility model provides a U type reed for electric connector has many pairs of contacts, can effectively reduce contact resistance, improves the electrical contact reliability, and overall structure is simple, and easy manufacturing, and with low costs, has machining's mode preparation to current electric connector more, has machining efficiency low, technical problem with high costs.

In order to solve the technical problem, the utility model discloses a following technical scheme: a U-shaped reed for an electric connector comprises a reed body, wherein the reed body comprises a U-shaped reed base body, the lower ends of two side walls of the reed base body are both connected with elastic structures, and the lower end of each elastic structure is connected with a connecting plate; the elastic structure is provided with an elastic contact structure, and the elastic contact structure is matched with the contact piece.

The elastic structure comprises a plurality of uniformly distributed spring strips, the upper ends of the spring strips are integrally connected with the reed base body, and the lower ends of the spring strips are integrally connected with the connecting plate; the elastic contact structure is arranged in the middle of the spring strip.

The spring strip comprises a first spring strip and a second spring strip which are arranged at intervals, and the middle parts of the first spring strip and the second spring strip are both inwards or outwards protruded to form an elastic contact structure matched with the contact piece.

The elastic contact structure comprises bulges which are respectively positioned below the center of the first spring strip and above the center of the second spring strip and enable the middle part of the elastic structure to form an upper elastic contact structure and a lower elastic contact structure.

Bulges are arranged at both ends of the spring strip; the middle part of the bulge is provided with a pit.

The utility model has simple integral structure and easy processing; the contact points are arranged, so that the contact resistance is effectively reduced, high current can be carried, and the temperature rise is low; meanwhile, the elastic contact structure is in layered contact with the plug or the socket, so that the increase of the insertion force is gentle, the peak insertion force is reduced, the force value is increased gently, and the insertion comfort is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an assembly schematic view of a reed body in embodiment 1 of the present invention;

fig. 3 is an assembly schematic view of a reed body in embodiment 2 of the present invention;

fig. 4 is an assembly schematic diagram of the reed body in embodiment 3 of the present invention.

In the figure, 1 is a reed body, 11 is a reed base, 12 is a reed strip, 13 is a protrusion, 14 is a pit, 15 is a bulge, 16 is a connecting plate, 2 is a plug, 3 is a socket, 4 is an insulator I, and 5 is an insulator II.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 any creative effort belong to the protection scope of the present invention.

Embodiment 1, as shown in fig. 1, the utility model provides a U type reed for electric connector, including reed body 1, reed body 1 includes the reed base member 11 of U type, and the lower extreme of two lateral walls of reed base member 11 all is connected with elastic construction, and elastic construction's lower extreme is connected with connecting plate 16, and elastic construction is located between reed base member 11 and connecting plate 16 promptly, and reed base member 11 and connecting plate 16 can be used to fixed elastic construction. In the present embodiment, the reed base 11, the elastic structure, and the connecting plate 16 are preferably formed by integral press molding. Through setting reed body 1 to U type structure, the assembly of reed body 1 of being convenient for increases the area of contact of reed body 1 and contact simultaneously, reduces contact resistance. In this embodiment, as shown in fig. 2, the reed body 1 is fitted to the header 2, and the contact is the socket 3. Specifically, reed body 1 and plug 2 are independent parts and are arranged separately, and the size of the U-shaped opening of reed body 1 is matched with the size of plug 2, when in use, reed body 1 is sleeved on plug 2, plug 2 is assembled or fixed in the connector, the lower part of reed body 1 is fixed in the connector through an insulating part II 5, the upper part of reed body is fixed through an insulating part I4, and then the whole reed body is matched with socket 3 to realize electric connection. Further, the plug 2 can be combined with the insulating part II 5 in an integral injection molding or assembling mode, and the insulating part I4 and the insulating part II 5 are fixed together in a mechanical clamping or bolt fixing mode. Insulating part I4 is provided with insulating muscle around plug 2, plays the effect of preventing touching the finger to plug 2, prevents when installation or maintenance, and operating personnel finger touches electrified part, plays safety protection's effect.

The elastic structure is provided with an elastic contact structure, and the elastic contact structure is matched with the contact piece. The elastic structure comprises a plurality of uniformly distributed spring strips 12, wherein the upper ends of the spring strips 12 are integrally connected with a reed base body 11, and the lower ends of the spring strips are integrally connected with a connecting plate 16. The resilient contact structure is arranged in the middle of the spring bar 12 and cooperates with the socket 3. Preferably, the spring strip 12 comprises a first spring strip and a second spring strip which are arranged at intervals, and the middle parts of the first spring strip and the second spring strip are projected outwards to form an elastic contact structure matched with the socket 3. The middle of the spring bar 12 is wide, two ends of the spring bar are narrow, the structure is favorable for the spring bar 12 to deform when stressed, the insertion force of the plug 2 inserted into the socket 3 can be reduced, the wide part and the narrow part in the middle of the adjacent spring bar 12 are combined, the space is reasonably utilized, the number of the spring bars can be increased, the number of contacts between the spring bar body and the socket is increased, and the contact resistance between the spring bar body and the socket is effectively reduced.

The elastic contact structure comprises a bulge 13, wherein the bulge 13 is respectively positioned below the center of the first spring strip and above the center of the second spring strip and forms an upper elastic contact structure and a lower elastic contact structure in the middle of the elastic structure, the structural design realizes that the bulge 13 on the reed body 1 is in layered contact with the socket 3 in the insertion process of the socket 3, the peak value superposition of the insertion force of each spring strip 12 is avoided, and the overall insertion force is reduced. Further, the concave pit 14 is arranged in the middle of the protrusion 13, so that the protrusion 13 is divided into two parts to form two protrusions, the contact of the reed body is doubled, and the contact resistance between the reed body and the contact element is effectively reduced.

All be provided with multilayer swell 15 on the inside wall at spring bar 12 both ends, when socket 3 inserts, the protruding 13 in the middle of the spring bar and the inboard plane elastic contact of socket 3, and along with socket 3's insertion, swell 15 at spring bar both ends also with the plane good contact of plug 2 both sides to reach the purpose that reduces contact resistance, increase load current ability.

Embodiment 2, a U-shaped spring for an electrical connector, as shown in fig. 3, a spring body 1 is fixed with a plug 2 by riveting or welding and is integrally installed in the connector, and then is mated with a socket 3 to realize electrical connection.

The other structure is the same as embodiment 1.

Embodiment 3, a U-shaped spring for an electrical connector, as shown in fig. 4, in this embodiment, a spring body 1 is fitted in a socket 3 with a contact member being a header 2, and a middle portion of a spring 12 is projected inward and formed with a projection 13 to be fitted with the header 2. And the upper ends of the two connecting plates 16 are provided with rivets, when in use, the reed body 1 is assembled in the socket 3, the rivets are hung and fixed on the upper part of the socket 3, and then the rivets are matched with the plug 2 to realize electric connection.

The other structure is the same as embodiment 1.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A U-shaped spring for an electrical connector, comprising a spring body (1), characterized in that: the reed body (1) comprises a U-shaped reed base body (11), the lower ends of two side walls of the reed base body (11) are both connected with elastic structures, and the lower ends of the elastic structures are connected with a connecting plate (16); the elastic structure is provided with an elastic contact structure, and the elastic contact structure is matched with the contact piece.

2. A U-shaped spring for an electrical connector as defined in claim 1, wherein: the elastic structure comprises a plurality of uniformly distributed spring strips (12), the upper ends of the spring strips (12) are integrally connected with a reed base body (11), and the lower ends of the spring strips are integrally connected with a connecting plate (16); the elastic contact structure is arranged in the middle of the spring strip (12).

3. A U-shaped spring for an electrical connector as defined in claim 2, wherein: the spring strip (12) comprises a first spring strip and a second spring strip which are arranged at intervals, and the middle parts of the first spring strip and the second spring strip are inwards or outwards protruded to form an elastic contact structure matched with the contact piece.

4. A U-shaped spring for an electrical connector as defined in claim 3 wherein: the elastic contact structure comprises a bulge (13), wherein the bulge (13) is respectively positioned below the center of the first spring strip and above the center of the second spring strip, and the middle part of the elastic structure forms an upper elastic contact structure and a lower elastic contact structure.

5. A U-shaped spring for an electrical connector according to any of claims 2 to 4, wherein: bulges (15) are arranged at the two ends of the spring bar (12); the middle part of the bulge (13) is provided with a pit (14).