Button structure and energy storage device

Abstract

The application relates to a button structure and an energy storage device, which comprise a fixing assembly, a button, a first elastic member and a second elastic member. The fixing assembly comprises oppositely arranged first and second fixing columns, the button is arranged between the first and second fixing columns, the button comprises a first end portion and a second end portion, the first end portion faces the first fixing column, and the second end portion faces the second fixing column; the first elastic member is connected between the first end portion and the first fixing column; the second elastic member is connected between the second end portion and the second fixing column; and the first and second elastic members are arranged in a wave-shaped and zigzag manner along the pressing direction of the button. The elastic assembly connects the button, reduces the phenomenon of button reversal or key jamming caused by pressure imbalance, and the wave-shaped and zigzag arrangement of the elastic assembly has certain ductility, so that the shaking of the button can be reduced. The first and second elastic members are symmetrically arranged on both sides of the button, the button is uniformly stressed when being pressed, and the phenomenon of tilting is reduced.

Description

Technical Field

[0001] The present application relates to the field of energy storage technology, and in particular, to a button structure and an energy storage device. Background Art

[0002] In energy storage products, press keys are important components for interaction between users and energy storage products, and the reliability of press key functions is crucial to user experience. A press key with a large length-to-width ratio is a special key that differs from conventional designs. Such a key has a relatively large pressing area, which can be triggered without precise alignment to a small area, and is suitable for high-frequency operation scenarios, such as the space bar on a keyboard and the start button of a microwave oven. However, the size of such a key exceeds the normal pressing range of a finger, and it is prone to uneven force during pressing, leading to problems such as tilting and key jamming, which affects the reliability of operation. Especially in frequent pressing scenarios, this will result in insufficient mechanical performance of the key and shorten the service life. Utility Model Content

[0003] Embodiments of the present application aim to provide a button structure and an energy storage device, so as to improve the technical problem that the button structure is prone to uneven force during pressing, which causes tilting or key jamming.

[0004] To solve the technical problem, embodiments of the present application adopt the following technical solutions: In a first aspect, embodiments of the present application provide a button structure applied to an energy storage device, comprising a fixing assembly, a key, a first elastic member and a second elastic member. The fixing assembly comprises a first fixing post and a second fixing post that are arranged opposite to each other. The key is arranged between the first fixing post and the second fixing post, the key comprises a first end portion and a second end portion, the first end portion faces the first fixing post, and the second end portion faces the second fixing post. The first elastic member is connected between the first end portion and the first fixing post, and the first elastic member is arranged in a wavy曲折 shape along the pressing direction of the key. The second elastic member is connected between the second end portion and the second fixing post, and the second elastic member is arranged in a wavy曲折 shape along the pressing direction of the key.

[0005] In some embodiments, along the pressing direction of the key, the key comprises a pressing portion and a contact portion connected in sequence, one end of the contact portion is connected to the first elastic member, and the other end is connected to the second elastic member.

[0006] In some embodiments, a surface of the contact portion away from the pressing portion is provided with a light-receiving area. The contact portion is provided with a light-shielding space, the light-receiving area is arranged opposite to the light-shielding space, and a light-shielding member is arranged in the light-shielding space. The length of the light-receiving area is L1, the length of the light-shielding space is L2, and L2<L1. And / or, the width of the light-receiving area is W1, the width of the light-shielding space is W2, and W2<W1.

[0007] In some embodiments, a light-emitting area is provided on the surface of the pressing portion away from the contact portion, the length of the light-emitting area being L3 and the width of the light-emitting area being W3. <L2,W3<W2。

[0008] In some embodiments, the light-shielding space includes a first inner wall, a second inner wall, a third inner wall, and a fourth inner wall. Along the pressing direction of the button, the first inner wall and the third inner wall are positioned opposite each other. Along the direction from the first fixing post to the second fixing post, the second inner wall and the fourth inner wall are positioned opposite each other. The first inner wall, the second inner wall, the third inner wall, and the fourth inner wall are sequentially connected to enclose and form the light-shielding space. The light-shielding component includes a light-shielding coating, and the first inner wall, the second inner wall, the third inner wall, and the fourth inner wall are all provided with the light-shielding coating.

[0009] Secondly, embodiments of this application provide an energy storage device, including a button structure as described in any of the first aspects. The button structure further includes a PCB board and a faceplate assembly, the button structure being disposed between the PCB board and the faceplate assembly, and the button structure being electrically connected to the PCB board via a press-fit connection. The faceplate assembly has a first opening, and the button portion extends out of the first opening.

[0010] In some embodiments, the PCB board includes a conductive element facing the button and electrically connected to the button via a push-button connection.

[0011] In some embodiments, the surface of the faceplate assembly facing the PCB board has a first fastener protruding therefrom, the first fixing post has a first through hole, and the first fastener passes through the first through hole and is connected to the PCB board.

[0012] In some embodiments, the surface of the button facing the PCB board has a protruding abutment member, which is used to abut against the PCB board when the button is pressed.

[0013] In some embodiments, along the pressing direction of the button, the button includes a pressing portion and a contact portion connected in sequence; the end of the contact portion facing the first fixing post has a first abutment protruding therefrom, and on the side of the button facing the first fixing post, the first abutment protrudes from the pressing portion. The end of the contact portion facing the second fixing post has a second abutment protruding therefrom, and on the side of the button facing the second fixing post, the second abutment protrudes from the pressing portion. The first abutment and the second abutment are used to abut against the faceplate assembly.

[0014] Unlike existing technologies, this application provides a button structure including a fixing component, a button, a first elastic element, and a second elastic element. The fixing component includes a first fixing post and a second fixing post disposed opposite to each other. The button is disposed between the first and second fixing posts and includes a first end and a second end. The first end faces the first fixing post, and the second end faces the second fixing post. The first elastic element connects the first end and the first fixing post, and is wavy along the pressing direction of the button. The second elastic element connects the second end and the second fixing post, and is wavy along the pressing direction of the button. The first and second elastic elements connect the button at both ends, resulting in a more balanced force distribution on both sides and reducing the likelihood of button reversal or jamming due to pressure imbalance. Furthermore, both the first and second elastic elements are wavy and zigzagged along the pressing direction, giving them a certain degree of extensibility in the left-right direction (perpendicular to the pressing direction) and a certain elastic force in the pressing direction. This provides a larger force range within a limited space, resulting in smoother pressing operation and reducing button sticking and wobbling. The first and second elastic elements are symmetrically arranged on both sides of the button, providing elastic force from both sides simultaneously. This ensures even force distribution when the button is pressed, reducing unilateral jamming or tilting and improving the accuracy and lifespan of the button structure. Attached Figure Description

[0015] Figure 1 These are schematic diagrams of some button structures provided in the embodiments of this application; Figure 2 These are schematic diagrams of some button structures provided in the embodiments of this application; Figure 3 This is a schematic diagram showing the deformation of some button structures provided in the embodiments of this application; Figure 4 These are schematic diagrams of some button structures provided in the embodiments of this application; Figure 5 This is a schematic diagram of some light-receiving areas provided in the embodiments of this application; Figure 6 These are schematic diagrams of some button structures provided in the embodiments of this application; Figure 7 These are schematic diagrams of some button structures provided in the embodiments of this application; Figure 8 This is a schematic diagram of some buttons provided in the embodiments of this application; Figure 9 This is a schematic diagram of some button structures provided in the embodiments of this application; Figure 10 These are schematic diagrams of some light propagation paths provided in the embodiments of this application; Figure 11 These are schematic diagrams of the structures of some buttons provided in the embodiments of this application; Figure 12 These are schematic diagrams of the structures of some light-shielding spaces provided in the embodiments of this application; Figure 13 This is a structural schematic of some energy storage devices provided in the embodiments of this application; Figure 14 These are schematic diagrams of the structures of some conductive components and contacts provided in the embodiments of this application; Figure 15 These are schematic diagrams of the structures of some shell components provided in the embodiments of this application; Figure 16 This is a schematic diagram of the structure of some fixed components provided in the embodiments of this application.

[0016] Figure label: 100. Button structure; 10. Fixing component; 11. First fixing post; 111. First through hole; 12. Second fixing post; 121. Second through hole; 20. Button; 21. First end; 22. Second end; 23. Pressing part; 231. Light-emitting area; 24. Contact part; 241. Light-receiving area; 242. Light-shielding space; 2421. First inner wall; 2422. Second inner wall; 2423. Third inner wall; 2424. Fourth inner wall; 243. Light-shielding member; 2431. Light-shielding coating; 244. First abutting platform; 245. Second abutting platform; 25. Holding member; 30. First elastic element; 40. Second elastic element; 1000. Energy storage devices; 200. PCB board; 201. Conductive components; 300, faceplate assembly; 301, first opening; 302, first fastener; 303, second fastener; 400. Light source; X, first direction; Y, the second direction. Detailed Implementation

[0017] The embodiments of the technical solution of this application will now be described in detail with reference to the accompanying drawings. These embodiments are only used to more clearly illustrate the technical solution of this application and are therefore merely examples, and should not be used to limit the scope of protection of this application.

[0018] In the description of the embodiments of this application, technical terms such as "first" and "second" are used only to distinguish different objects and should not be construed as indicating or implying relative importance or implicitly specifying the number, specific order, or primary and secondary relationship of the indicated technical features. In the description of the embodiments of this application, "several" means more than one, unless otherwise explicitly defined.

[0019] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it a mutually exclusive, independent, or alternative embodiment. Furthermore, the technical features involved in the different embodiments of this application described below may be combined with each other as long as they do not conflict with each other.

[0020] In a first aspect, this application provides a button structure 100 applied to an energy storage device 1000, please refer to... Figure 1 The button structure 100 includes a fixing component 10, a button 20, a first elastic element 30, and a second elastic element 40. The fixing component 10 includes a first fixing post 11 and a second fixing post 12. The first elastic element 30 is connected between the button 20 and the first fixing post 11, and the second elastic element 40 is connected between the button 20 and the second fixing post 12.

[0021] The first fixing post 11 and the second fixing post 12 are usually installed on the outer shell or internal frame of the energy storage device 1000. The first fixing post 11 and the second fixing post 12 are arranged opposite to each other to limit the two sides of the button 20 and provide a stable fixing base.

[0022] For button 20 mentioned above, please refer to... Figure 1 and Figure 2 The button 20 is a component that the user can directly press. It is typically made of materials such as plastic, rubber, or metal. Symbols or text can be printed on the top of the button 20 to indicate its function. The button 20 is positioned between the first fixing post 11 and the second fixing post 12. Along the direction from the first fixing post 11 to the second fixing post 12 (first direction X), the button 20 includes a first end 21 and a second end 22. The first end 21 faces the first fixing post 11, and the second end 22 faces the second fixing post 12. The first end 21 is used to connect with the first elastic member 30, and the second end 22 is used to connect with the second elastic member 40.

[0023] Please refer to Figure 1 and Figure 2The elastic component includes a first elastic element 30 and a second elastic element 40. The elastic component can be a metal sheet or a plastic sheet with elasticity. The first elastic element 30 is connected between the first end 21 and the first fixing post 11, and the second elastic element 40 is connected between the second end 22 and the second fixing post 12, so that the button 20 is suspended between the first fixing post 11 and the second fixing post 12. The first elastic element 30 and the second elastic element 40 are both wavy and bent along the pressing direction (second direction Y) of the button 20.

[0024] Please refer to Figures 1 to 3 When the user presses button 20, the elastic component pulls button 20 in place, reducing the possibility of button 20 reversing or jamming due to pressure imbalance. Button 20 simultaneously applies pressure to the first elastic element 30 and the second elastic element 40, forcing the wavy stripes of the elastic component to deform downwards (e.g., Figure 3 (As shown by the dashed line), the elastic component undergoes elastic deformation to store elastic potential energy. When pressed, it contacts the conductive component 201, and the circuit is completed. When the user releases the button 20, the elastic component releases the stored elastic potential energy to return to its original shape, allowing the button 20 to return to its original position accurately and smoothly. This process does not require the conductive component 201 to provide elastic force, which can more effectively protect the conductive component 201 and extend its service life.

[0025] The first elastic element 30 and the second elastic element 40, with their wavy, zigzag arrangement, possess a certain degree of flexibility, allowing them to move left and right. This provides a longer, smoother pressing operation within a limited space, reducing the stiffness and wobble of the button 20. The first elastic element 30 and the second elastic element 40 are symmetrically arranged on both sides of the button 20, providing force simultaneously from both sides. This ensures even force distribution when the button 20 is pressed, reducing one-sided jamming or tilting and improving the accuracy and lifespan of the button structure 100. In particular, since the energy storage device 1000 is typically used outdoors, the elastic components can better resist vibration and impact, further extending the lifespan of the button structure 100.

[0026] In some embodiments, please refer to Figure 2 Along the pressing direction (second direction Y) of button 20, button 20 includes a pressing part 23 and a contact part 24 connected in sequence. One end of the contact part 24 is connected to the first elastic element 30, and the other end is connected to the second elastic element 40. The pressing part 23 is the part that the user can directly contact and apply force to, and is usually located on the top of button 20, exposed outside the device housing. The contact part 24 is usually located inside the device, and when pressed, it can contact the conductive element 201 on the PCB board 200 to conduct the circuit.

[0027] Specifically, when a user presses the pressing portion 23 with a finger, the pressure is transmitted to the contact portion 24, the contact portion 24 moves downward, compresses the first elastic member 30 and the second elastic member 40, deforming the elastic assembly, the contact portion 24 continues to move downward, and touches the conductive member 201 on the PCB board 200, the conductive member 201 is triggered, thereby conducting the circuit.

[0028] In some embodiments, please refer to Figure 4 and Figure 5 , a light receiving area 241 is provided on a surface of the contact portion 24 away from the pressing portion 23, and a light exit area 231 is provided on a surface of the pressing portion 23 away from the contact portion 24. The contact portion 24 is provided with a light shielding space 242, the light receiving area 241 is disposed opposite to the light shielding space 242, and a light shielding member 243 is disposed in the light shielding space 242.

[0029] The light receiving area 241 is made of a light-guiding or light-transmitting material, and can receive light from the light source 400. As an entrance for light, the light receiving area 241 guides light into the key 20. Wherein, please refer to Figure 6 , the length of the light receiving area 241 is L1, and the width of the light receiving area 241 is W1.

[0030] Please refer to Figure 4 , the light shielding space 242 is a cavity, a groove or a channel opened inside the contact portion 24. The light shielding member 243 is disposed in the light shielding space 242 to shield the light transmitted from the light receiving area 241. The light shielding member 243 is an opaque component, which can change the propagation path of light, reduce the direct irradiation of the light source 400 to the light exit area 231, and make the light of the light exit area 231 softer and more uniform. Wherein, in combination with Figure 7 and Figure 8 , the length of the light shielding space 242 is L2, the width of the light shielding space 242 is W2, and L2 < L1 and / or W2 < W1. The area of the light receiving area 241 is larger than the area of the opening of the light shielding space 242, so that the direct light from the light source 400 is shielded, and the remaining light diffuses around and transmits to the light exit area 231 from the side, which can reduce local bright spots and make the light emitted by the key 20 more uniform.

[0031] Please refer to Figure 4 , the light exit area 231 is located on the upper surface of the pressing portion 23, and is an exit for light, which can emit the received light to prompt the user of the position and status of the key 20. Wherein, in combination with Figure 9 , the length of the light exit area 231 is L3, the width of the light exit area 231 is W3, and L3 < L2 and W3 < W2. In combination with Figure 10 , the area of the light exit area 231 is smaller than the opening area of the light shielding space 242, the opening of the light shielding space 242 can completely shield the light exit area 231, the cooperation of the light receiving area 241, the light shielding space 242 and the light exit area 231 changes the propagation path of the light source 400 (such as Figure 10 (The light path represented by the middle arrow) reduces the glare of the light in the light-emitting area 231, making the light hitting the light-emitting area 231 more uniform.

[0032] In some embodiments, please refer to Figure 11 and Figure 12 The light-shielding space 242 includes a first inner wall 2421, a second inner wall 2422, a third inner wall 2423, and a fourth inner wall 2424. Along the pressing direction of the button 20 (second direction Y), the first inner wall 2421 and the third inner wall 2423 are positioned opposite each other. Along the direction from the first fixing post 11 to the second fixing post 12 (first direction X), the second inner wall 2422 and the fourth inner wall 2424 are positioned opposite each other. The first inner wall 2421, the second inner wall 2422, the third inner wall 2423, and the fourth inner wall 2424 are sequentially connected to form the light-shielding space 242. The light-shielding component 243 includes a light-shielding coating 2431. The first inner wall 2421, the second inner wall 2422, the third inner wall 2423, and the fourth inner wall 2424 are all provided with the light-shielding coating 2431. The light-shielding coating 2431 is a non-reflective or light-absorbing material, such as black paint, coating, or light-absorbing rubber. The light-shielding coating 2431 is applied to the inner wall of the light-shielding space 242, which can absorb stray light shining on the inner wall, reduce the reflection and scattering of light in the light-shielding space 242, and improve the light-shielding effect.

[0033] This application provides a button structure 100, which includes a fixing component 10, a button 20, a first elastic element 30, and a second elastic element 40. The fixing component 10 includes a first fixing post 11 and a second fixing post 12 disposed opposite to each other. The button 20 is disposed between the first fixing post 11 and the second fixing post 12. The button 20 includes a first end 21 and a second end 22, with the first end 21 facing the first fixing post 11 and the second end 22 facing the second fixing post 12. The first elastic element 30 is connected between the first end 21 and the first fixing post 11, and is wavy along the pressing direction of the button 20. The second elastic element 40 is connected between the second end 22 and the second fixing post 12, and is wavy along the pressing direction of the button 20. The first elastic element 30 and the second elastic element 40 connect the two ends of the button 20, making the force on both ends of the button 20 more balanced and reducing the phenomenon of button reversal or sticking caused by pressure imbalance. Furthermore, both the first elastic element 30 and the second elastic element 40 are arranged in a wave-like zigzag pattern along the pressing direction of the button 20, giving them a certain degree of extensibility in the left-right direction (perpendicular to the pressing direction) and a certain degree of elasticity in the pressing direction. This provides a larger force range within a limited space, resulting in smoother pressing operation and reducing the sticking and wobbling of the button 20. The first elastic element 30 and the second elastic element 40 are symmetrically arranged on both sides of the button 20, providing elastic force from both sides simultaneously. This ensures that the button 20 is evenly stressed when pressed, reducing the phenomenon of one-sided sticking or tilting, and improving the accuracy and service life of the button structure 100.

[0034] Secondly, this application also provides an energy storage device 1000, please refer to... Figure 13 The button structure 100 includes any of the features described in the first aspect. The button structure 100 further includes a PCB board 200 and a faceplate assembly 300. The button structure 100 is disposed between the PCB board 200 and the faceplate assembly 300, and is electrically connected to the PCB board 200 via a press-type connection. The faceplate assembly 300 has a first opening 301, and the button 20 portion extends out of the first opening 301 for user convenience.

[0035] The faceplate assembly 300 is the external protective structure of the energy storage device 1000, which encloses the button structure 100 and PCB board 200, etc., and plays a role in physical protection, dust and water protection, and aesthetic decoration.

[0036] In some embodiments, please refer to Figure 13The PCB board 200 includes a conductive element 201, which faces the contact portion 24 of the button 20. The conductive element 201 and the button 20 are electrically connected by a press-type connection. It can be understood that when the button 20 is pressed, the contact portion 24 contacts the conductive element 201, thus establishing a conductive circuit. When the button 20 is released, the contact portion 24 separates from the conductive element 201, and the circuit is in a non-conductive state. Therefore, the conductive element 201 and the button 20 are electrically connected by a press-type connection. The conductive element 201 can be made of conductive materials such as a metal spring or conductive rubber.

[0037] In some embodiments, please refer to Figure 14 The distance between the contact part 24 of button 20 and the conductive element 201 is H. Different values ​​of H will result in different pressing sensations when button 20 is pressed. The value of H can be adjusted according to the actual situation to obtain different tactile experiences.

[0038] In some embodiments, please refer to Figure 15 and Figure 16 The faceplate assembly 300 has a first fastener 302 protruding from its surface facing the PCB board 200. A first fixing post 11 has a first through hole 111 through which the first fastener 302 passes and connects to the PCB board 200. Further, the faceplate assembly 300 also includes a second fastener 303. Along the first direction X, the first fastener 302 and the second fastener 303 are arranged opposite each other. A second fixing post 12 has a second through hole 121 through which the second fastener 303 passes and connects to the PCB board 200. The first fastener 302 can be a stud. The first fastener 302 firmly connects the faceplate assembly 300, the button structure 100, and the PCB board 200 into a single unit, improving the structural strength and stability of the energy storage device 1000 and reducing vibration or impact during movement or transportation. The button structure 100 is pressed and fixed by the PCB board 200 and the housing assembly, making the button 20 more secure and less prone to shaking.

[0039] In some embodiments, the faceplate assembly 300 further includes screws, the PCB board 200 has a third through hole, the first fastener 302 has a fourth through hole, and the screws are sequentially inserted through the PCB board 200, the first through hole 111, the fourth through hole and threadedly connected to the first fastener 302.

[0040] In some embodiments, please refer to Figure 13The surface of button 20 facing PCB board 200 has a protruding abutment 25, which abuts against PCB board 200 when button 20 is pressed. When the user presses button 20 excessively, the abutment 25 can abut against PCB board 200, preventing button 20 from being pressed further down, thus protecting the elastic component and conductive component 201 from damage and improving the durability of button 20 structure. The abutment 25 can be one or more.

[0041] In some embodiments, please refer to Figure 13 and Figure 11 Along the pressing direction (second direction Y) of button 20, button 20 includes a pressing portion 23 and a contact portion 24 connected in sequence. A first abutting platform 244 protrudes from the end of contact portion 24 facing the first fixing post 11, and on the side of button 20 facing the first fixing post 11, the first abutting platform 244 protrudes from the pressing portion 23. A second abutting platform 245 protrudes from the end of contact portion 24 facing the second fixing post 12, and on the side of button 20 facing the second fixing post 12, the second abutting platform 245 protrudes from the pressing portion 23. The first abutting platform 244 and the second abutting platform 245 are used to abut against the faceplate assembly 300. When button 20 rebounds due to the elastic component, it moves towards the first opening 301. The first abutment 244 and the second abutment 245 abut against the inner surface of the faceplate assembly 300, preventing button 20 from being ejected from the first opening 301. This ensures that button 20 moves within a safe range, reducing button 20 wobble and making the pressing feel more stable. Furthermore, the first abutment 244 and the second abutment 245 protrude from the pressing part 23, perfectly concealing the assembly gap between button 20 and the first opening 301, resulting in a neat and aesthetically pleasing appearance, and also providing dust and splash protection.

[0042] It should be noted that while the preferred embodiments of this utility model are provided in the specification and accompanying drawings, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. These embodiments are not intended to impose additional limitations on the content of this utility model; their purpose is to provide a more thorough and comprehensive understanding of the disclosure of this utility model. Furthermore, the above-described technical features can be combined with each other to form various embodiments not listed above, all of which are considered to be within the scope of this utility model specification. Moreover, those skilled in the art can make improvements or modifications based on the above description, and all such improvements and modifications should fall within the protection scope of the appended claims.

Claims

1. A button structure applied to an energy storage device, characterized in that, include: The fixing component includes a first fixing post and a second fixing post that are disposed opposite to each other; A button is disposed between the first fixed post and the second fixed post. The button includes a first end and a second end, the first end facing the first fixed post and the second end facing the second fixed post. A first elastic element is connected between the first end and the first fixed post, and the first elastic element is arranged in a wave-like zigzag pattern along the pressing direction of the button. The second elastic element is connected between the second end and the second fixed post, and the second elastic element is arranged in a wave-like zigzag pattern along the pressing direction of the button.

2. The button structure according to claim 1, characterized in that, Along the pressing direction of the button, the button includes a pressing part and a contact part connected in sequence. One end of the contact part is connected to the first elastic element, and the other end is connected to the second elastic element.

3. The button structure according to claim 2, characterized in that, The surface of the contact portion away from the pressing portion is provided with a light-receiving area; The contact portion is provided with a light-shielding space, the light-receiving area is disposed opposite to the light-shielding space, and a light-shielding component is disposed within the light-shielding space; The length of the light-receiving area is L1, and the length of the light-shielding space is L2. <L1; And / or, the width of the light-receiving area is W1, and the width of the light-shielding space is W2, W2 <W1。 4. The button structure according to claim 3, characterized in that, The surface of the pressing part away from the contact part is provided with a light-emitting area, the length of the light-emitting area is L3, and the width of the light-emitting area is W3. <L2,W3<W2。 5. The button structure according to claim 3, characterized in that, The light-shielding space includes a first inner wall, a second inner wall, a third inner wall, and a fourth inner wall. Along the pressing direction of the button, the first inner wall and the third inner wall are arranged opposite to each other. Along the direction from the first fixed post to the second fixed post, the second inner wall and the fourth inner wall are arranged opposite to each other. The first inner wall, the second inner wall, the third inner wall, and the fourth inner wall are connected in sequence to enclose and form the light-shielding space. The light-shielding component includes a light-shielding coating, and the first inner wall, the second inner wall, the third inner wall, and the fourth inner wall are all provided with the light-shielding coating.

6. An energy storage device, characterized in that, Including the button structure as described in any one of claims 1 to 5, the button structure further includes a PCB board and a faceplate assembly, the button structure is disposed between the PCB board and the faceplate assembly, and the button structure is electrically connected to the PCB board by a press-fit mechanism; The faceplate assembly has a first opening, and the button portion extends out of the first opening.

7. The energy storage device according to claim 6, characterized in that, The PCB board includes a conductive component, which is positioned facing the button and is electrically connected to the button via a push-button connection.

8. The energy storage device according to claim 6, characterized in that, The surface of the faceplate assembly facing the PCB board has a first fastener protruding therefrom, the first fixing post has a first through hole, the first fastener passes through the first through hole and is connected to the PCB board.

9. The energy storage device according to claim 6, characterized in that, The surface of the button facing the PCB board has a protruding abutment, which is used to abut against the PCB board when the button is pressed.

10. The energy storage device according to claim 6, characterized in that, Along the pressing direction of the button, the button includes a pressing part and a contact part connected in sequence; the end of the contact part facing the first fixed post is provided with a first abutting platform, and on the side of the button facing the first fixed post, the first abutting platform protrudes from the pressing part; The end of the contact portion facing the second fixed post has a second abutting platform protruding from it. On the side of the button facing the second fixed post, the second abutting platform protrudes from the pressing portion. The first abutment and the second abutment are used to abut against the faceplate assembly.

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