CN219553915U

CN219553915U - Subminiature positive and negative double-sided contact spring plate

Info

Publication number: CN219553915U
Application number: CN202320608691.8U
Authority: CN
Inventors: 彭敏; 黄颗
Original assignee: Shenzhen Electric Connector Technology Co Ltd
Current assignee: Shenzhen Electric Connector Technology Co Ltd
Priority date: 2023-03-25
Filing date: 2023-03-25
Publication date: 2023-08-18
Anticipated expiration: 2033-03-25

Abstract

The utility model discloses a microminiature positive and negative double-sided contact spring plate, which comprises a base, a first elastic arm extending from one end of the base and formed by upward bending, a second elastic arm extending from the other end of the base and formed by downward bending, wherein a first contact part and a second contact part are respectively arranged on the first elastic arm and the second elastic arm, and the first contact part and the second contact part are respectively positioned on two sides of a central line of the base. Compared with the prior art, the electric conduction of the double-side assembly is realized under the condition of occupying a small space.

Description

Subminiature positive and negative double-sided contact spring plate

Technical Field

The utility model relates to the technical field of electric connectors, in particular to a microminiature positive and negative double-sided contact spring plate.

Background

The elastic sheet is widely applied to electronic equipment and is used for transmitting electric signals between an antenna or an electronic element and a main board. Various spring plates, such as common patch spring plates, are also generated in various application occasions and are directly welded on the surface of the main board; the broken plate is welded and inserted into a notch formed in the main board; there is also a market demand for contact between both the upper and lower sides.

The existing double-sided contact spring plate is only of a simple U-shaped structure, two side arms of the U-shaped structure are used as contact arms on the upper side and the lower side, but the contact force of the contact arms is obviously too weak, poor contact is easily caused, and in some use scenes, the contact arms are also deformed.

Disclosure of Invention

The embodiment of the utility model provides a microminiature positive and negative double-sided contact spring plate, which realizes the electric conduction of double-sided components under the condition of occupying smaller space.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a subminiature positive and negative double-sided contact shell fragment, includes the basal portion, from the first elastic arm that the one end of basal portion extends and upwards bend and form, from the other end of basal portion extends and downwards bend and form the second elastic arm, be provided with first contact portion and second contact portion on first elastic arm and the second elastic arm respectively, first contact portion and second contact portion are located the both sides of basal portion central line respectively.

Preferably, the first elastic arm further comprises a first U-shaped part connected between one side of the base part and the first contact part, a first supporting part connected to the first contact part, and a first blocking arm arranged on the first supporting part.

Preferably, the second elastic arm further comprises a second U-shaped part connected between the other side of the base and the second contact part, a second supporting part connected to the second contact part, and a second blocking arm arranged on the second supporting part.

Preferably, the two sides of the base corresponding to the first supporting portion are further provided with first retaining walls, and the first retaining walls can limit the first retaining arms in the first cavities surrounded by the first retaining walls at the two sides.

Preferably, the two sides of the base corresponding to the second supporting portion are further provided with second retaining walls, and the second retaining walls can limit the second retaining arms in second cavities surrounded by the second retaining walls at the two sides.

Preferably, the part of the first U-shaped part close to the first contact part is in a substantially funnel-shaped structure.

Preferably, the second U-shaped portion has a substantially funnel-shaped structure near the second contact portion.

Preferably, the miniature front and back double-sided contact spring plate is integrally formed by a base material made of conductive materials.

The utility model has the beneficial effects that: the base part, the first elastic arm extending from one end of the base part and formed by upward bending, the second elastic arm extending from the other end of the base part and formed by downward bending, and the first contact part and the second contact part are respectively arranged on the first elastic arm and the second elastic arm and are respectively positioned on two sides of a central line of the base part. Therefore, the electric conduction of the assemblies on the two sides is realized under the condition of occupying a small space; simultaneously, the stress of the elastic arms at the two sides of the base is relatively balanced, and the elastic sheet is prevented from deforming.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present utility model;

FIG. 2 is a perspective view of another view of an embodiment of the present utility model;

FIG. 3 is a perspective view of another view of an embodiment of the present utility model;

FIG. 4 is a perspective view of another view of an embodiment of the present utility model;

fig. 5 is a schematic cross-sectional view of an embodiment of the present utility model in an installed state.

Reference numerals in the drawings of the specification include:

the device comprises a microminiature positive and negative double-sided contact spring plate-100, a base-20, a first elastic arm-30, a first U-shaped part-31, a first contact part-32, a first supporting part-33, a first retaining arm-34, a second elastic arm-40, a second U-shaped part-41, a second contact part-42, a second supporting part-43, a second retaining arm-44, a first retaining wall-50, a first cavity-51, a second retaining wall-60 and a second cavity-61.

Detailed Description

The embodiment of the utility model solves the technical problem of insufficient contact force of the double-sided contact spring in the prior art by providing the ultra-small positive and negative double-sided contact spring.

The technical scheme in the embodiment of the utility model aims to solve the technical problems, and the overall thought is as follows:

the base part, the first elastic arm extending from one end of the base part and formed by upward bending, the second elastic arm extending from the other end of the base part and formed by downward bending, and the first contact part and the second contact part are respectively arranged on the first elastic arm and the second elastic arm and are respectively positioned on two sides of a central line of the base part. Therefore, the electric conduction of the assemblies on the two sides is realized under the condition of occupying a small space; simultaneously, the stress of the elastic arms at the two sides of the base is relatively balanced, and the elastic sheet is prevented from deforming.

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the utility model, which is therefore not limited to the specific embodiments disclosed below.

As shown in fig. 1 to 5, an embodiment of the present utility model is:

the miniature positive and negative double-sided contact spring plate 100 integrally formed by a base material of a conductive material comprises a base 20, a first elastic arm 30 extending from one end of the base 20 and formed by upward bending, wherein the first elastic arm 30 is provided with a first contact part 32, a first U-shaped part 31 connected between one side of the base 20 and the first contact part 32, a first support part 33 connected to the first contact part 32, and a first blocking arm 34 arranged on the first support part 33. The first U-shaped portion 31 may be disposed in a substantially funnel-shaped structure near the first contact portion 32, so that the elastic force of the first elastic arm 30 may be increased.

The second elastic arm 40 extending from the other end of the base 20 and bent downward, the second elastic arm 40 is provided with a second contact portion 42, a second U-shaped portion 41 connected between the other side of the base 20 and the second contact portion 42, a second support portion 43 connected to the second contact portion 42, and a second stopper arm 44 provided on the second support portion 43. Wherein, the second U-shaped portion 41 has a substantially funnel-shaped structure near the second contact portion 42, so that the elastic force of the second elastic arm 40 can be increased.

The first contact portion 32 and the second contact portion 42 are located on two sides of the center line of the base 20, respectively. The first contact 32 is in contact electrical connection with element B and the second contact 42 is in contact electrical connection with element a.

Preferably, the two sides of the base 20 corresponding to the position of the first supporting portion 33 are further provided with a first retaining wall 50, the first retaining wall 50 can realize the overpressure protection of the first elastic arm 30, and meanwhile, the first retaining wall 50 can limit the first retaining arm 34 in the first cavity 51 surrounded by the first retaining walls 50 on two sides, so that the first elastic arm 30 can be prevented from being scraped out under the action of external force to cause deformation. The second retaining walls 60 are further disposed on two sides of the base 20 corresponding to the second supporting portion 43, the second retaining walls 60 can achieve overpressure protection of the second elastic arms 40, and meanwhile, the second retaining walls 60 can limit the second retaining arms 44 in the second cavities 61 surrounded by the second retaining walls 60 on two sides, so that deformation caused by scraping of the second elastic arms 40 due to external force can be prevented.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples merely illustrate embodiments of the utility model and are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The miniature positive and negative double-sided contact spring plate is characterized by comprising a base, a first elastic arm which extends from one end of the base and is bent upwards, a second elastic arm which extends from the other end of the base and is bent downwards, and a first contact part and a second contact part which are respectively arranged on the first elastic arm and the second elastic arm are respectively positioned on two sides of a central line of the base.

2. The ultra-small reversible contact spring according to claim 1, wherein the first elastic arm further comprises a first U-shaped portion connected between one side of the base portion and the first contact portion, a first supporting portion connected to the first contact portion, and a first blocking arm disposed on the first supporting portion.

3. The ultra-small reversible contact spring according to claim 1, wherein the second elastic arm further comprises a second U-shaped portion connected between the other side of the base portion and the second contact portion, a second supporting portion connected to the second contact portion, and a second blocking arm disposed on the second supporting portion.

4. The subminiature reversible contact spring according to claim 2, wherein the two sides of the base corresponding to the first supporting portion are further provided with first retaining walls, and the first retaining walls limit the first retaining arms in the first cavity surrounded by the first retaining walls at the two sides.

5. The miniature reversible contact spring according to claim 3, wherein two sides of the base corresponding to the second supporting portion are further provided with second retaining walls, and the second retaining walls can limit the second retaining arms in a second cavity surrounded by the second retaining walls at two sides.

6. The ultra-small reversible contact spring according to claim 4, wherein the portion of the first U-shaped portion adjacent to the first contact portion has a substantially funnel-shaped structure.

7. The ultra-small reversible contact spring as claimed in claim 5, wherein the second U-shaped portion has a substantially funnel-shaped structure at a portion thereof adjacent to the second contact portion.

8. The miniature reversible contact spring of any one of claims 1-7, wherein the miniature reversible contact spring is integrally formed from a substrate of electrically conductive material.