CN220604994U

CN220604994U - Elastic contact finger

Info

Publication number: CN220604994U
Application number: CN202322231061.6U
Authority: CN
Inventors: 陈庆周; 高灿; 曹斐; 黄锐
Original assignee: Guangzhou Banjing Electric Power Copper Material Co ltd
Current assignee: Guangzhou Banjing Electric Power Copper Material Co ltd
Priority date: 2023-08-17
Filing date: 2023-08-17
Publication date: 2024-03-15
Anticipated expiration: 2033-08-17

Abstract

The utility model provides an elastic contact finger, comprising: a main body portion; two clamping pieces mounted inside the main body; the clamping piece comprises a supporting part and a plurality of clamping parts which are integrally formed with the supporting part and are arranged at equal intervals; a gap through which the copper bar can pass is formed between the adjacent clamping parts on the two clamping pieces, and the minimum diameter of the gap is smaller than the thickness of the copper bar; according to the utility model, the clamping part which is in a V-shaped and inclined design is arranged, so that the clamping part can be elastically deformed in the process of inserting the copper bar into the gap between the two clamping pieces, the copper bar is clamped, the expansion and contraction amount is large, the contact is more sufficient, the requirement on the progress of the contact device is low, and the universality is high.

Description

Elastic contact finger

Technical Field

The utility model relates to the technical field of power equipment, in particular to an elastic contact finger.

Background

The elastic contact finger is used on an electric plug box of the data center and is connected with a device of the grounding wire, so that the electric shock of a person is prevented, the protection effect is realized, and when the person gets an electric shock, the current can be led to the grounding wire device with lower resistance by the connecting piece, so that the person is protected;

the existing connecting piece is provided with springs under the tilted metal sheets, and when the metal sheets are connected with a device of a grounding wire, the space progress requirement is high;

for this purpose, an elastic contact finger is proposed.

Disclosure of Invention

Accordingly, it is desirable to provide an elastic finger to solve or mitigate the technical problems in the prior art, and at least provide a beneficial choice.

The technical scheme of the embodiment of the utility model is realized as follows: an elastic contact finger, comprising:

a main body portion;

two clamping pieces mounted inside the main body;

the clamping piece comprises a supporting part and a plurality of clamping parts which are integrally formed with the supporting part and are arranged at equal intervals;

the copper bar clamping device comprises two clamping pieces, wherein a gap capable of allowing the copper bar to pass through is formed between the adjacent clamping parts of the two clamping pieces, and the minimum diameter of the gap is smaller than the thickness of the copper bar.

In some embodiments: two holding grooves are formed in the main body, and the two clamping pieces are respectively located in the two holding grooves.

In some embodiments: the supporting part is also integrally formed with a plurality of spring plates which are made of spring steel as a matrix.

In some embodiments: and the support part is also integrally formed with a plurality of connecting clamping jaws.

In some embodiments: an arc-shaped part is arranged between the supporting part and the clamping part.

In some embodiments: the cross section of the clamping part is V-shaped.

In some embodiments: an included angle of 30-75 degrees is formed between the clamping part and the main body part.

By adopting the technical scheme, the embodiment of the utility model has the following advantages:

according to the utility model, the clamping part which is in a V-shaped and inclined design is arranged, so that the clamping part can be elastically deformed in the process of inserting the copper bar into the gap between the two clamping pieces, the copper bar is clamped, the expansion and contraction amount is large, the contact is more sufficient, the requirement on the progress of the contact device is low, and the universality is high.

The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present utility model will become apparent by reference to the drawings and the following detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the technical descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a block diagram of the present utility model;

FIG. 2 is a view of the clamping member of the present utility model;

FIG. 3 is a block diagram of another view of the clamping member of the present utility model;

FIG. 4 is a schematic view of a clamping member for clamping a copper bar according to the present utility model;

fig. 5 is a schematic view of the present utility model for clamping a copper bar.

Reference numerals: 1. a main body portion; 11. a receiving groove; 2. a clamping member; 21. a support part; 22. connecting clamping jaws; 23. a clamping part; 24. an arc-shaped portion; 25. a spring plate; 3. and a copper bar.

Detailed Description

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

It should be noted that the terms "first," "second," "symmetric," "array," and the like are used merely for distinguishing between description and location descriptions, and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of features indicated. Thus, a feature defining "first," "symmetry," or the like, may explicitly or implicitly include one or more such feature; also, where certain features are not limited in number by words such as "two," "three," etc., it should be noted that the feature likewise pertains to the explicit or implicit inclusion of one or more feature quantities;

in the present utility model, unless explicitly specified and limited otherwise, terms such as "mounted," "connected," "secured," and the like are to be construed broadly; for example, the connection can be fixed connection, detachable connection or integrated molding; the connection may be mechanical, direct, welded, indirect via an intermediate medium, internal communication between two elements, or interaction between two elements. The specific meaning of the terms described above in the present utility model will be understood by those skilled in the art from the specification and drawings in combination with specific cases.

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-5, an embodiment of the present utility model provides an elastic contact finger, including:

a main body 1;

two clamps 2 mounted inside the main body 1;

the clamping member 2 comprises a supporting part 21 and a plurality of clamping parts 23 which are integrally formed with the supporting part 21 and are arranged at equal intervals;

the adjacent clamping parts 23 on the two clamping pieces 2 are provided with gaps for the copper bars 3 to pass through, and the minimum diameter of the gaps is smaller than the thickness of the copper bars 3 so as to clamp the copper bars 3.

In this embodiment, specific: two holding grooves 11 are formed in the main body 1, and two clamping pieces 2 are respectively located in the two holding grooves 11 and used for providing holding spaces for the two clamping pieces 2.

In this embodiment, specific: the support 21 is also integrally formed with a plurality of spring plates 25 made of spring steel as a base body for maintaining a long lasting clamping force.

In this embodiment, specific: the support portion 21 is further integrally formed with a plurality of connecting clamping jaws 22, and the connecting clamping jaws 22 are used for conducting electricity.

In this embodiment, specific: an arc-shaped portion 24 is provided between the supporting portion 21 and the clamping portion 23.

In this embodiment, specific: the cross section of the clamping part 23 is V-shaped, and an included angle of 30-75 degrees is formed between the clamping part 23 and the main body part 1, so that the clamping effect is improved.

The elastic contact finger mainly comprises a contact finger part of an elastic electricity taking unit and a red copper contact piece, wherein the spring piece ensures long-term good contact between the electricity taking unit and a conductor, and the red copper contact piece can ensure good conductivity;

in a flexible finger contact system: the large-current contact surface is divided into N small contact points, so that when a certain contact point is poor in contact, other contact points are not affected, and meanwhile, the safety of current conduction is guaranteed through the whole redundancy performance.

The flexible contact finger system ensures that the flexible contact finger system is not deformed when being used for 20000 times and 40 years;

the flexible contact is characterized in that the flexible contact is not in spark contact, the physical characteristics of the original design are not damaged, and the deformation of a contact surface can not be caused after long-term use;

the spring elastic design and the flexible contact finger connection have the advantages of good electrical contact, long service life and high reliability; the high current is added modularly with the low current.

The utility model works when in work: through inserting copper bar 3 in the gap between two holders 2, this in-process, clamping part 23 takes place elastic deformation to accomplish the centre gripping to copper bar 3, through setting up the clamping part 23 that is V-arrangement and slope form design, this holder 2 flexible volume is big, and the contact is more abundant, and is low to contact device's progress requirement, and the commonality is high.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that various changes and substitutions are possible within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. An elastic contact finger, comprising:

a main body (1);

two clamping pieces (2) installed inside the main body part (1);

the clamping piece (2) comprises a supporting part (21) and a plurality of clamping parts (23) which are integrally formed with the supporting part (21) and are arranged at equal intervals;

a gap through which the copper bar (3) can pass is formed between adjacent clamping parts (23) on the two clamping pieces (2), and the minimum diameter of the gap is smaller than the thickness of the copper bar (3).

2. An elastic contact finger according to claim 1, wherein: two accommodating grooves (11) are formed in the main body part (1), and the two clamping pieces (2) are respectively located in the two accommodating grooves (11).

3. An elastic contact finger according to claim 1, wherein: the supporting part (21) is also integrally formed with a plurality of spring plates (25) which are made of spring steel as a matrix.

4. An elastic contact finger according to claim 1, wherein: the supporting part (21) is also integrally formed with a plurality of connecting clamping jaws (22).

5. An elastic contact finger according to claim 1, wherein: an arc-shaped part (24) is arranged between the supporting part (21) and the clamping part (23).

6. An elastic contact finger according to claim 1, wherein: the cross section of the clamping part (23) is V-shaped.

7. An elastic contact finger according to claim 1, wherein: an included angle of 30-75 degrees is formed between the clamping part (23) and the main body part (1).