CN218275158U

CN218275158U - Torsional spring for electric connector contact

Info

Publication number: CN218275158U
Application number: CN202222458487.0U
Authority: CN
Inventors: 王道静
Original assignee: Guangdong Yatai Technology Co ltd
Current assignee: Guangdong Yatai Technology Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-01-10
Anticipated expiration: 2032-09-16

Abstract

The utility model relates to a connector technical field, concretely relates to torsional spring for electric connector contact, including upper end piece, lower end piece and connect between upper end piece and lower end piece and a plurality of grafting shell fragments of align to grid, be equipped with the shell fragment clearance between two adjacent grafting shell fragments, upper end piece, lower end piece and grafting shell fragment form both ends opening and the drum structure of middle part shrink, and grafting shell fragment interlude is equipped with around the torsional grafting portion of drum center pin syntropy, and the both sides edge of grafting portion is the ripple form. The utility model discloses in the grafting shell fragment after twisting reverse distribute compacter and atress symmetry, and the deformation when pegging graft with public end plug-in components repeatedly diminishes, and the area of contact of torsional spring and public end plug-in components is bigger, and electric property is electric conductive property better promptly.

Description

Torsional spring for electric connector contact

Technical Field

The utility model relates to a connector technical field, concretely relates to torsional spring for electric connector contact.

Background

At present, electric connectors are commonly used for electric power transmission in the charging process of new energy automobiles, main components comprise sockets and plugs, when the sockets are matched with the plugs, circuits are conducted, and the electric connectors play a role of bridges for electric power transmission of the new energy automobiles, wherein terminals on the plugs and the sockets are divided into male ends and female ends according to different shapes, the male ends are generally cylindrical conductors, the female ends are generally provided with metal conductors with holes formed by elastic sheets or reed structures, and when the male ends are in contact with the female ends, the connectors are conducted; but the shell fragment or the reed structure tensile strength of current female end terminal is poor, probably produce wearing and tearing deformation after carrying out long-time plug, can lead to the phenomenon of later stage contact failure like this, have caused very big inconvenience, and current contact mode is point contact or line contact mostly, and the small electric conductive property of area of contact is also relatively poor. Therefore, in order to solve the problems of poor tensile strength and poor conductivity of the existing electric connector contact element, a torsion spring which has a compact structure and excellent conductivity and is used for the electric connector contact element is needed to be provided.

SUMMERY OF THE UTILITY MODEL

To the deficiencies of the prior art, the present invention provides a torsion spring for an electrical connector contact.

The purpose of the utility model can be realized by the following technical scheme: the utility model provides a torsional spring for electric connector contact, includes upper end piece, lower extreme piece and connects between upper end piece and lower extreme piece and a plurality of grafting shell fragments of align to grid, is equipped with the shell fragment clearance between two adjacent grafting shell fragments, and upper end piece, lower extreme piece and grafting shell fragment form both ends opening and the drum structure of middle part shrink, and grafting shell fragment interlude is equipped with around the drum center pin syntropy torsional grafting portion, and the both sides edge of grafting portion is the ripple form.

Preferably, the upper end piece, the lower end piece and the inserting elastic piece are of an integrally punched and formed plate-shaped structure.

Preferably, the width a of the spring plate gap between adjacent inserted spring plates is 0.4-0.6 mm.

Preferably, the width b of the inserting elastic sheet is 0.7-0.8 mm.

Preferably, the edges of the upper end sheet and the lower end sheet are both provided with clamping grooves.

Preferably, the clamping groove is of a U-shaped structure.

The utility model has the advantages that: the utility model provides a torsional spring for electric connector contact, because the material of grafting shell fragment is the electrically conductive material of metal, and have elasticity, the inside jack that forms of torsional spring forms interference fit with public end plug-in components, in addition elastic material's characteristic, adopt the grafting shell fragment of twisting the structure, the grafting shell fragment after twisting distributes compacter and atress symmetry, make the torsional spring have better plug characteristic, plug power remain stable, tensile strength promotes, the deformation of grafting shell fragment diminishes after the plug-in components relapse with public end, and bigger with the area of contact of public end plug-in components, electric characteristic is electric conductive property better promptly.

Drawings

The present invention is further described with reference to the accompanying drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without inventive work.

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

Fig. 2 is a front view of a first embodiment of the present invention.

Fig. 3 is a top view of the first embodiment of the present invention.

Fig. 4 is a development state diagram of the first embodiment of the present invention.

Fig. 5 is a front view of the second embodiment of the present invention.

Fig. 6 is a development state diagram of the second embodiment of the present invention.

The reference numbers shown in the figures denote: 1. an upper end piece; 2. a lower end piece; 3. inserting the elastic sheet; 4. a spring plate gap; 5. a plug-in part; 6. a clamping groove.

Detailed Description

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The technical solution of the present invention will be described clearly and completely with reference to the following specific embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In a first embodiment, referring to fig. 1 to 4, the structure of the present invention is: the utility model provides a torsional spring for electric connector contact, including upper end piece 1, lower extreme piece 2 and connect in a plurality of grafting shell fragment 3 between upper end piece 1 and lower extreme piece 2 and align to grid, be equipped with shell fragment clearance 4 between two adjacent grafting shell fragments 3, upper end piece 1, lower extreme piece 2 and grafting shell fragment 3 form both ends opening and the drum structure of middle part shrink, 3 interlude of grafting shell fragment are equipped with around drum center pin syntropy torsional grafting portion 5, the both sides edge of grafting portion 5 is the ripple form. Because the material of grafting shell fragment 3 is the electrically conductive material of metal, and has elasticity, the inside jack that forms of torsional spring forms interference fit with public end plug-in components, including elastic material's characteristic, adopt the grafting shell fragment 3 of twisting the structure, grafting shell fragment 3 after twisting distributes compacter and atress symmetry, make the torsional spring have better plug characteristic, the plug power remains stable, the tensile strength promotes, the shape of grafting shell fragment diminishes after inserting the plug with public end plug-in components repeatedly, and bigger with the area of contact of public end plug-in components, electric property is electric conductive property promptly.

As shown in fig. 4, the upper end plate 1, the lower end plate 2 and the inserting elastic plate 3 are integrally formed into a plate-shaped structure by stamping, and have simple structure and convenient forming.

As further shown in fig. 4, the width a of the spring plate gap 4 between adjacent plugging spring plates 3 is 0.4-0.6 mm.

As further shown in fig. 4, the width b of the insertion spring 3 is 0.7-0.8 mm.

Example two

Specifically, referring to fig. 5 and 6, the difference between the second embodiment and the first embodiment is that the contact portion 5 is S-shaped in the expanded view of the second embodiment, and the edges of the upper end plate 1 and the lower end plate 2 are both provided with the slots 6, so that the torsion spring can be conveniently clamped during installation by designing the slots 6, and the torsion spring is prevented from rotating during operation.

Furthermore, the clamping groove 6 is of a U-shaped structure, so that the structure is simple, and the forming is convenient.

The utility model provides a pair of a torsional spring for electric connector contact is when using, electric connector's public end plug-in components and female end terminal direct contact, public end plug-in components insert from the centre bore of torsional spring this moment, be the contact portion of twisting reverse and shrink through the torsional spring middle part, produce suitable elastic deformation and tightly laminate on the plug-in components surface of public end, it is bigger with the area of contact of public end plug-in components, electric characteristic is electric conductive property better promptly, and plug power is stable, the contact is reliable and stable.

The present invention has been further described with reference to specific embodiments, but it should be understood that the specific description herein should not be construed as limiting the spirit and scope of the present invention, and that various modifications to the above-described embodiments, which would occur to persons skilled in the art after reading this specification, are within the scope of the present invention.

Claims

1. A torsion spring for an electrical connector contact, characterized by: the water wave type spring plate is characterized by comprising an upper end piece (1), a lower end piece (2) and a plurality of plug-in spring plates (3) which are connected between the upper end piece (1) and the lower end piece (2) and are uniformly arranged, wherein a spring plate gap (4) is formed between every two adjacent plug-in spring plates (3), the upper end piece (1), the lower end piece (2) and the plug-in spring plates (3) form a cylinder structure with two ends opened and the middle contracted, a plug-in portion (5) which is twisted around a cylinder center shaft in the same direction is arranged in the middle section of each plug-in spring plate (3), and the edges of two sides of the plug-in portion (5) are in a water wave shape.

2. A torsion spring for an electrical connector contact according to claim 1, wherein: the upper end piece (1), the lower end piece (2) and the inserting elastic piece (3) are of an integrally punched and formed plate-shaped structure.

3. A torsion spring for an electrical connector contact according to claim 1, wherein: the width a of the elastic piece gap (4) between the adjacent inserting elastic pieces (3) is 0.4-0.6 mm.

4. A torsion spring for an electrical connector contact according to claim 1, wherein: the width b of the splicing spring plate (3) is 0.7-0.8 mm.

5. A torsion spring for an electrical connector contact according to any one of claims 1 to 4, wherein: the edges of the upper end piece (1) and the lower end piece (2) are provided with clamping grooves (6).

6. A torsion spring for an electrical connector contact according to claim 5, wherein: the clamping groove (6) is of a U-shaped structure.