Elastic sheet

Abstract

The utility model provides an elastic sheet, which comprises an elastic assembly, a substrate and a contact plate, the substrate and the contact plate are respectively positioned at two ends of the elastic assembly, the elastic assembly comprises a first elastic arm, a second elastic arm, a third elastic arm and a fourth elastic arm, the contact plate is connected onto the fourth elastic arm, and the elastic assembly is basically in a shape like a Chinese character'hui '. According to the elastic sheet provided by the utility model, the elastic sheet is welded on the circuit board, the circuit board welded with the elastic sheet is installed on the flexible screen, and the elastic force of the elastic sheet is dispersed by the first elastic arm, the second elastic arm, the third elastic arm and the fourth elastic arm due to the action of the elastic assembly, so that the damage to the circuit board or the flexible screen caused by overlarge elasticity of the elastic sheet is prevented; and the product quality is effectively guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of spring pieces, in particular to a spring piece. Background Art

[0002] With the increasing functions of electronic products and the increasing requirements for the safety performance of electronic products, springs connecting PCBs and other electronic devices with special functions are widely used in the systems of electronic products. The spring force of springs in the prior art is generally large. For example, when the springs are welded to a flexible screen or an LCD screen, when multiple springs are installed, it is easy to damage the LCD screen or the circuit board, thereby causing damage to the product, requiring repairs, reducing product quality, and low production efficiency.

[0003] Therefore, it is necessary to provide a spring to solve the above technical problems. Utility Model Content

[0004] The utility model provides a spring clip to solve the problem that the spring clips in the prior art generally have a large elastic force. For example, when the spring clips are welded to a flexible screen or a liquid crystal screen, when multiple spring clips are installed, the liquid crystal screen or the circuit board is easily damaged, thereby causing product damage, requiring repairs, reducing product quality, and low production efficiency.

[0005] In order to solve the above technical problems, the technical solution of the utility model is: a spring sheet, including an elastic component and a substrate and a contact plate respectively connected to the two ends of the elastic component, the elastic component including a first elastic arm connected to the substrate, a second elastic arm connected to the first elastic arm, a third elastic arm connected to the second elastic arm, and a fourth elastic arm connected to the third elastic arm, the contact plate is connected to the fourth elastic arm, and the elastic component and the substrate are in a U-shape.

[0006] In the utility model, the spring sheet is also provided with a platform portion, which includes a first platform located between the first elastic arm and the second elastic arm, a second platform located between the second elastic arm and the third elastic arm, and a third platform located between the third elastic arm and the fourth elastic arm.

[0007] In the utility model, the base plate is L-shaped.

[0008] In the utility model, a surface of the substrate away from the elastic component is a welding surface.

[0009] In the utility model, the first end of the first elastic arm is lower than the second end of the first elastic arm, the first end of the second elastic arm is lower than the second end of the second elastic arm, the first end of the third elastic arm is lower than the second end of the third elastic arm, and the first end of the fourth elastic arm is lower than the second end of the fourth elastic arm.

[0010] In the utility model, the length of the first elastic arm is longer than that of the second elastic arm, the length of the second elastic arm is longer than that of the third elastic arm, and the length of the third elastic arm is longer than that of the fourth elastic arm.

[0011] In the utility model, both ends of the first elastic arm, both ends of the second elastic arm, both ends of the third elastic arm, and both ends of the fourth elastic arm are all provided with bending parts.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the shrapnel of the utility model is welded on the circuit board, and the circuit board with the welded shrapnel is installed on the flexible screen. Due to the action of the elastic component, the first elastic arm, the second elastic arm, the third elastic arm, and the fourth elastic arm disperse the elastic force of the shrapnel, thereby preventing the shrapnel from causing damage to the circuit board or the flexible screen due to excessive elasticity, thereby effectively ensuring the quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. The drawings described below are only drawings corresponding to some embodiments of the utility model.

[0014] Figure 1 The three-dimensional structure of the spring piece of the utility model Figure 1 .

[0015] Figure 2 It is a top view of the spring piece of the utility model.

[0016] Figure 3 The three-dimensional structure of the spring piece of the utility model Figure 2 . DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the embodiments of the present disclosure clearer, the technical solution of the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, not all of the embodiments. Based on the described embodiments of the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present disclosure.

[0018] Unless otherwise defined, technical or scientific terms used herein shall have the common meanings understood by one of ordinary skill in the art to which the present disclosure belongs.

[0019] The words "first", "second" and similar words used in the patent application specification and claims of this disclosure do not indicate any order, quantity or importance, but are only used to distinguish different components. Words such as "include" or "comprise" and similar words mean that the elements or objects appearing before "include" or "comprise" include the elements or objects listed after "include" or "comprise" and their equivalents, and do not exclude other elements or objects. Words such as "connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0021] The following is a preferred embodiment of a spring provided by the utility model that can solve the above technical problems.

[0022] Please refer to Figure 1 , Figure 2 and Figure 3 ,in Figure 1 The three-dimensional structure of the spring piece of the utility model Figure 1 , Figure 2 It is a top view of the spring piece of the utility model. Figure 3 The three-dimensional structure of the spring piece of the utility model Figure 2 .

[0023] In the figures, structurally similar elements are denoted by the same reference numerals.

[0024] The words "first", "second" and the like in the terminology of the present invention are used for descriptive purposes only and should not be understood as indicating or implying relative importance, and should not be construed as limiting the order of precedence.

[0025] The utility model provides a spring sheet, comprising an elastic component 12 and a substrate 11 and a contact plate 13 respectively connected to both ends of the elastic component 12, the elastic component 12 comprising a first elastic arm 121 connected to the substrate 11, a second elastic arm 122 connected to the first elastic arm 121, a third elastic arm 123 connected to the second elastic arm 122, and a fourth elastic arm 124 connected to the third elastic arm 123, the contact plate 13 is connected to the fourth elastic arm 124, the elastic component 12 and the substrate 11 are in a Chinese-shaped circle, the substrate 11 is used for welding on a circuit board, the contact plate 13 is used for connecting to a conductive component such as a copper foil, the first elastic arm 121, the second elastic arm 122, the third elastic arm 123 connected to the second elastic arm 122, and the .... The elastic arm 122, the third elastic arm 123, and the fourth elastic arm 124 are used to disperse the elastic force. The elastic force of the elastic component 12 is effectively reduced through the U-shaped elastic component 12. At the same time, the U-shaped elastic component 12 can well set the contact plate 13 at the set position, thereby effectively ensuring that the spring piece is in contact with the circuit board and XX. The first elastic arm 121, the second elastic arm 122, the third elastic arm 123, and the fourth elastic arm 124 of the elastic component 12 disperse the elastic force, thereby ensuring that the spring piece is in contact with the circuit board and the copper foil, and preventing the spring piece from causing damage to the circuit board or the flexible screen due to excessive elasticity, thereby effectively ensuring the quality of the product.

[0026] The spring piece is also provided with a platform portion 126, which includes a first platform 1261 located between the first elastic arm 121 and the second elastic arm 122, a second platform 1262 located between the second elastic arm 122 and the third elastic arm 123, and a third platform 1263 located between the third elastic arm 123 and the fourth elastic arm 124. The first platform 1261 is used to facilitate the second elastic arm 122 to turn on the first elastic arm 121, the second platform 1262 is used to facilitate the third elastic arm 123 to turn on the second elastic arm 122, and the third platform 1263 is used to facilitate the fourth elastic arm 124 to turn on the third elastic arm 123.

[0027] The base plate 11 is L-shaped, and the L-shaped base plate 11 can adjust the center of gravity of the spring to prevent the spring from tilting or falling when installing the spring.

[0028] The side of the substrate 11 away from the elastic component 12 is a welding surface, which is convenient for welding the substrate 11 on the circuit board.

[0029] The first end of the first elastic arm 121 is lower than the second end of the first elastic arm 121, the first end of the second elastic arm 122 is lower than the second end of the second elastic arm 122, the first end of the third elastic arm 123 is lower than the second end of the third elastic arm 123, the first end of the fourth elastic arm 124 is lower than the second end of the fourth elastic arm 124, and the elastic component 12 is spiral, thereby ensuring that the elastic component 12 has elastic force.

[0030] The length of the first elastic arm 121 is longer than that of the second elastic arm 122 , the length of the second elastic arm 122 is longer than that of the third elastic arm 123 , and the length of the third elastic arm 123 is longer than that of the fourth elastic arm 124 , which is used to adjust the contact position so that the contact plate 13 is located in the middle position of the elastic component 12 .

[0031] Both ends of the first elastic arm 121, both ends of the second elastic arm 122, both ends of the third elastic arm 123, and both ends of the fourth elastic arm 124 are provided with bending portions 125, and the bending portions 125 are used to facilitate bending of the first elastic arm 121, the second elastic arm 122, the third elastic arm 123, and the fourth elastic arm 124 to prevent the first elastic arm 121, the second elastic arm 122, the third elastic arm 123, and the fourth elastic arm 124 from being damaged during bending.

[0032] Working principle:

[0033] The spring piece includes an L-shaped substrate 11, an elastic component 12 connected to the substrate 11, and a contact plate 13 connected to the elastic component 12. The side of the substrate 11 away from the elastic component 12 is a welding surface. The elastic component 12 includes a first elastic arm 121 connected to the substrate 11, a second elastic arm 122 connected to the first elastic arm 121, a third elastic arm 123 connected to the second elastic arm 122, and a fourth elastic arm 124 connected to the third elastic arm 123. The two ends of the first elastic arm 121, the two ends of the second elastic arm 122, the two ends of the third elastic arm 123, and the two ends of the fourth elastic arm 124 are respectively provided with bending portions 125. A first platform 1261 is provided between the first elastic arm 121 and the second elastic arm 122, a second platform 1262 is provided between the second elastic arm 122 and the third elastic arm 123, and a third platform 126 is provided between the third elastic arm 123 and the fourth elastic arm 124. 3. The length of the first elastic arm 121 is longer than that of the second elastic arm 122, the length of the second elastic arm 122 is longer than that of the third elastic arm 123, the length of the third elastic arm 123 is longer than that of the fourth elastic arm 124, the first end of the first elastic arm 121 is lower than the second end of the first elastic arm 121, the first end of the second elastic arm 122 is lower than the second end of the second elastic arm 122, the first end of the third elastic arm 123 is lower than the second end of the third elastic arm 123, and the first end of the fourth elastic arm 124 is lower than the second end of the fourth elastic arm 124. After the substrate 11 is welded on the circuit board and the circuit board with the welded shrapnel is installed on the flexible screen, due to the action of the first elastic arm 121, the second elastic arm 122, the third elastic arm 123, and the fourth elastic arm 124, the elastic component 12 disperses the elasticity of the shrapnel, thereby preventing the shrapnel from causing damage to the circuit board or the flexible screen due to excessive elasticity, thereby effectively ensuring the quality of the product.

[0034] The shrapnel of this preferred embodiment is welded to a circuit board, and the circuit board with the shrapnel welded is installed on a flexible screen. Due to the action of the elastic component, the first elastic arm, the second elastic arm, the third elastic arm, and the fourth elastic arm disperse the elastic force of the shrapnel, thereby preventing the shrapnel from causing damage to the circuit board or the flexible screen due to excessive elasticity, thereby effectively ensuring the quality of the product.

[0035] In summary, although the present invention has been disclosed as above in terms of preferred embodiments, the above preferred embodiments are not intended to limit the present invention. A person skilled in the art may make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be based on the scope defined in the claims.

Claims

1. A shrapnel, characterized in that: It includes an elastic component and a substrate and a contact plate respectively connected to both ends of the elastic component. The elastic component includes a first elastic arm connected to the substrate, a second elastic arm connected to the first elastic arm, a third elastic arm connected to the second elastic arm, and a fourth elastic arm connected to the third elastic arm. The contact plate is connected to the fourth elastic arm. The elastic component and the substrate are in a U-shape.

2. The shrapnel according to claim 1, characterized in that: The spring sheet is also provided with a platform portion, which includes a first platform located between the first elastic arm and the second elastic arm, a second platform located between the second elastic arm and the third elastic arm, and a third platform located between the third elastic arm and the fourth elastic arm.

3. The shrapnel according to claim 1, characterized in that: The base plate is L-shaped.

4. The shrapnel according to claim 1, characterized in that: A surface of the substrate away from the elastic component is a welding surface.

5. The shrapnel according to claim 1, characterized in that: The first end of the first elastic arm is lower than the second end of the first elastic arm, the first end of the second elastic arm is lower than the second end of the second elastic arm, the first end of the third elastic arm is lower than the second end of the third elastic arm, and the first end of the fourth elastic arm is lower than the second end of the fourth elastic arm.

6. The shrapnel according to claim 1, characterized in that: The length of the first elastic arm is longer than that of the second elastic arm, the length of the second elastic arm is longer than that of the third elastic arm, and the length of the third elastic arm is longer than that of the fourth elastic arm.

7. The shrapnel according to claim 1, characterized in that: Both ends of the first elastic arm, both ends of the second elastic arm, both ends of the third elastic arm, and both ends of the fourth elastic arm are provided with bending portions.

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