CN213691812U - Waterproof button and take button equipment - Google Patents

Waterproof button and take button equipment Download PDF

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Publication number
CN213691812U
CN213691812U CN202022722738.2U CN202022722738U CN213691812U CN 213691812 U CN213691812 U CN 213691812U CN 202022722738 U CN202022722738 U CN 202022722738U CN 213691812 U CN213691812 U CN 213691812U
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China
Prior art keywords
key
button
waterproof
base
top cover
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CN202022722738.2U
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Chinese (zh)
Inventor
刘梦琦
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Shenzhen H&T Intelligent Control Co Ltd
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Shenzhen H&T Intelligent Control Co Ltd
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Priority to CN202022722738.2U priority Critical patent/CN213691812U/en
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Abstract

The embodiment of the utility model provides a relate to key equipment technical field, concretely relates to waterproof button and take key equipment, waterproof button includes: a base; the circuit board is fixed in the base and is provided with a switch contact; the battery is arranged on the circuit board; the top cover is fixedly connected with the base; the key structure is connected with the top cover in a sealing manner; the key structure comprises a key part and a sealing part, the key part is fixedly connected with the sealing part, the key part is fixed on the top cover, the sealing part is arranged at the joint of the top cover and the base, the base is provided with a groove for accommodating the sealing part, and the sealing part is in interference fit with the groove. In this way, the embodiment of the utility model provides a realize the zero clearance connection between base and the top cap, promote waterproof button's waterproof performance, promote the structural stability of button portion simultaneously and with the leakproofness of top cap laminating.

Description

Waterproof button and take button equipment
Technical Field
The embodiment of the utility model provides a relate to keying equipment technical field, concretely relates to waterproof button and take keying equipment.
Background
Various electronic components are arranged inside the key, so that the key is required to have certain waterproof performance to prolong the service life. In order to facilitate assembly, the shell of the key can be split into a plurality of shells in actual production, and the assembly sealing performance between the shells of the existing key and between the key and the shell is poor, so that the waterproof performance of the key is unqualified, and the service life of the key is short.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the embodiment of the utility model provides a waterproof button to can promote the waterproof performance of button.
According to the utility model discloses an aspect provides a waterproof button, and it includes: a base; the circuit board is fixed in the base and is provided with a switch contact; the battery is arranged on the circuit board and is electrically connected with the circuit board; the top cover is fixedly connected with the base; the key structure is connected with the top cover in a sealing manner; the key structure comprises a key part and a sealing part, the key part is fixedly connected with the sealing part, the key part is fixed on the top cover and is arranged corresponding to the switch contact, the sealing part is arranged at the joint of the top cover and the base, a groove for accommodating the sealing part is arranged on the base, and the sealing part is in interference fit with the groove.
In an optional mode, the sealing part is made of soft plastic or soft rubber, and the compression amount of the interference fit between the sealing part and the groove is 0.2-0.35 mm.
In an optional mode, the top cap includes the lid, according to the keyway, button opening and through-hole, the lid with base fixed connection, according to the keyway locate on the lid, the button opening is fixed in according to in the keyway, the through-hole is located button groove edge, button portion locates in according to the keyway and cover in on the button opening, the button structure still includes connecting portion, connecting portion run through the through-hole, connecting portion one end with button portion connects, the other end with the sealing is connected, the connecting portion middle section be equipped with by being close to button portion one end to the other end to the kink of the perpendicular bend of lid inner wall direction.
In an alternative form, the key portion, the seal portion and the connecting portion are integrally formed.
In an optional mode, a pressing cantilever extending to the center of the key opening is arranged on the inner wall at the edge of the key opening, and the pressing cantilever is arranged corresponding to the switch contact, so that when the key part is pressed, the key part indirectly presses the switch contact through the pressing cantilever.
In an optional mode, a positioning hole is further formed in the edge inside the key pressing groove, a positioning column is correspondingly arranged on the key pressing portion, and the positioning column is connected with the positioning hole in a matched mode.
In an optional mode, the edge of circuit board is equipped with the pilot lamp, waterproof button still include with the leaded light post that the pilot lamp corresponds the setting, be equipped with on the top cap with the opening that the leaded light post corresponds, the leaded light post is located in the opening, just the leaded light post with opening sealing connection.
In an alternative form, the light guide surface is fused to the inner wall of the opening.
In an optional mode, the waterproof key further comprises a connecting structure and a lock catch, the connecting structure is fixed on one side of the base, a connecting hole is formed in the connecting structure, one end of the lock catch is detachably connected with the connecting hole, and the other end of the lock catch is used for being connected with the outside to hang or fix the waterproof key.
According to another aspect of the embodiments of the present invention, there is provided a button-equipped device including the above-mentioned waterproof button.
According to the waterproof key of the embodiment, the sealing part is arranged at the joint of the top cover and the base, and the groove which is used for accommodating the sealing part and is in interference fit with the sealing part is arranged on the base, so that the gapless connection between the base and the top cover is realized, and the waterproof performance of the waterproof key is improved; through with button portion and sealing fixed connection, promote the structural stability of button portion on the one hand, on the other hand improves the leakproofness of button portion and top cap laminating.
The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural view of a waterproof button provided in an embodiment of the present invention;
fig. 2 is an exploded schematic view of a waterproof button according to an embodiment of the present invention;
fig. 3 is another schematic diagram of an explosion structure of the waterproof button according to an embodiment of the present invention;
fig. 4 is a schematic side view of a waterproof button according to an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view taken along the line A-A in FIG. 4;
FIG. 6 is a partial enlarged view of FIG. 5 at B;
fig. 7 is a partial enlarged structural view at C of fig. 5.
The reference numbers in the detailed description are as follows:
waterproof button 100, base 110, recess 111, circuit board 120, switch contact 121, pilot lamp 122, battery compartment 123, top cap 130, lid 131, button groove 132, button opening 133, press cantilever 1331, contact briquetting 13311, through-hole 134, locating hole 135, opening 136, button structure 140, button 141, reference column 1411, sealing 142, connecting portion 143, kink 1431, leaded light post 150, battery 160, connection structure 170, connecting hole 171, hasp 180.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
When the key is used in conjunction with an electronic device, the key is usually used as a switch for controlling the electronic device to start and stop, such as a remote controller, which implements a control function through the key. Because install circuit board and various electronic components in the button, and have certain fit-up gap between the shell of button, consequently button waterproof nature is relatively poor, if drop into the button into aqueous carelessly, then will cause the inside destruction of button thereby to lose the operating capability.
In view of the above problem, the embodiment of the utility model provides a waterproof button and take button equipment to can improve the waterproof performance of button.
Referring to fig. 1 to 3, an aspect of the present invention provides a waterproof button 100, which includes: base 110, circuit board 120, top cover 130, button structure 140 and battery 160. The circuit board 120 is fixed inside the base 110, and the circuit board 120 is provided with a switch contact 121; the top cover 130 is fixedly connected with the base 110; the key structure 140 is hermetically connected with the top cover 130; the battery 160 is arranged on the circuit board 120, and the battery 160 is electrically connected with the circuit board 120 and supplies power to the switch contact 121 and the indicator lamp 122; the key structure 140 includes a key portion 141 and a sealing portion 142, the key portion 141 and the sealing portion 142 are fixedly connected, the key portion 141 is fixed on the top cover 130 and is disposed corresponding to the switch contact 121, the sealing portion 142 is disposed at a connection position of the top cover 130 and the base 110, the base 110 is provided with a groove 111 for accommodating the sealing portion 142, and the sealing portion 142 and the groove 111 are in interference fit.
In the waterproof key 100 of the embodiment, the sealing portion 142 is arranged at the joint of the top cover 130 and the base 110, and the groove 111 which accommodates the sealing portion 142 and is in interference fit with the sealing portion 142 is arranged on the base 110, so that the assembly gap between the base 110 and the top cover 130 is completely sealed and waterproof, and the waterproof performance of the waterproof key 100 is improved; by fixedly connecting the key portion 141 and the sealing portion 142, the structural stability of the key portion 141 is improved, and the sealing property of the key portion 141 and the top cover 130 is improved.
In the embodiment shown in fig. 3, a battery compartment 123 may be disposed on a side of the circuit board 120 away from the switch contact 121, and the battery 160 is accommodated in the battery compartment 123. It is understood that in other embodiments, the battery 160 may be directly secured to the circuit board 120.
In some embodiments, the sealing portion 142 may be made of soft plastic or soft rubber, and has good elasticity and is easy to compress, the compression amount of the interference fit between the sealing portion 142 and the groove 111 may be 0.2-0.35mm, and the compression amount is within the range, which not only can satisfy the sealing and waterproof between the base 110 and the top cover 130, but also can ensure the stability of the whole structure.
In the specific embodiment shown in fig. 4-6, the reference mark in fig. 6 indicates the compressed portion of the sealing portion 142 after assembly, the sealing portion 142 is made of thermoplastic polyurethane, and the compression amount of the sealing portion 142 in interference fit with the groove 111 is 0.2 mm. It is understood that, in other embodiments, in order to better enhance the waterproof performance, the sealing portion 142 may be made of other soft plastics or soft rubber materials, and the compression amount of the sealing portion 142 may also be any value of 0.35mm or 0.2-0.35 mm.
In some embodiments, as shown in fig. 2 and 3, the top cover 130 may include a cover 131, a key slot 132, a key opening 133, and a through hole 134, the cover 131 is fixedly connected to the base 110, the key slot 132 is disposed on the cover 131, the key opening 133 is fixed in the key slot 132, the through hole 134 is disposed at an edge of the key slot 132, the key portion 141 is disposed in the key slot 132 and covers the key opening 133, the key structure 140 further includes a connecting portion 143, the connecting portion 143 penetrates through the through hole 134, one end of the connecting portion 143 is connected to the key portion 141, the other end is connected to the sealing portion 142, and a bending portion 1431 is disposed at a middle portion of the connecting portion 143 and is bent vertically from one end near the key portion 141 to the.
The top cover 130 is provided with the key groove 132 for accommodating the key part 141, so that the key groove 132 supports and positions the key part 141, the assembly gap between the top cover 130 and the key part 141 is reduced, and the waterproof performance is improved; the key part 141 and the sealing part 142 are connected by the connecting part 143, so that the stability of the whole structure of the key structure 140 is improved, and the attaching effect of the key part 141 and the inner wall of the key groove 132 is enhanced; in order to prevent water from flowing in due to a gap between the connection part 143 and the through hole 134, a bending part 1431 is provided at a middle portion of the connection part 143 to block water from flowing downward.
In the embodiment shown in fig. 2 and 3, the top cover 130 includes a cover body 131, a key slot 132 is formed on a side of the cover body 131 away from the base, four key openings 133 are formed in the key slot 132, four through holes 134 are formed in an edge inside the key slot 132, the key portion 141 is accommodated in the key slot 132 and is hermetically connected with an inner wall of the key slot 132, the key portion 141 covers the key opening 133, the key portion 141 includes four keys corresponding to the key openings 133, the four keys are integrally arranged, a first bar-shaped groove is formed between adjacent keys, a second bar-shaped groove is formed in the key slot 132, and the first bar-shaped groove is matched with the second bar-shaped groove, so as to position each key, play a role in pressing and buffering, and improve the hand feeling of the key. The key structure 140 further includes a connecting portion 143, the connecting portion 143 penetrates through the through hole 134, one end of the connecting portion 143 is connected to the key portion 141, the other end is connected to the sealing portion 142, and a bending portion 1431 (refer to fig. 7) is disposed at a middle section of the connecting portion 143, the bending portion being bent vertically from one end close to the key portion 141 to the other end toward the inner wall of the cover 131. It is understood that in other embodiments, the number of the key openings 133 and the through holes 134 may be one or more.
In some embodiments, the key part 141, the sealing part 142 and the connecting part 143 are integrally formed to enhance the stability of the key structure 140 and the sealing property of the assembly between the key structure 140 and the top cover 130.
It should be noted that, in the specific embodiment, since the key portion 141 and the connecting portion 143 are respectively located on two opposite surfaces of the top cover 130, and the two are connected by the connecting portion 143 penetrating the top cover 130, in the production process of the integrated molding of the key portion 141, the sealing portion 142 and the connecting portion 143, the top cover 130 needs to be injection molded first, and then the molded top cover 130 is placed in a mold of the key structure 140 to injection mold the key structure 140, so as to form the key structure 140 fixedly connected with the top cover 130. The injection molding method ensures that the melting point of the top cover 130 is higher than that of the key structure 140, and the surfaces of the key part 141, the sealing part 142 and the connecting part 143, which are in contact with the top cover 130, are welded during the injection molding process, so that no gap exists and the top cover has good waterproof performance.
In some embodiments, as shown in fig. 2, an inner wall at an edge of the key opening 133 may be provided with a pressing cantilever 1331 extending toward a center of the key opening 133, the pressing cantilever 1331 being disposed corresponding to the switch contact 121 such that the key portion 141 indirectly presses the switch contact 121 by pressing the cantilever 1331 when the key portion 141 is pressed. By arranging the pressing cantilever 1331, on one hand, the key part 141 is further supported, on the other hand, abrasion caused by long-term pressing contact of the key part 141 and the switch contact 121 is avoided, and meanwhile, the hand feeling of the key is well improved due to the arrangement of the pressing cantilever 1331.
In the embodiment shown in fig. 2 and 3, a pressing cantilever 1331 extends inward from the middle of the inner wall of the edge of each key opening 133, a contact pressing piece 13311 is disposed on a surface of the pressing cantilever 1331 facing the circuit board 120, the contact pressing piece 13311 is disposed corresponding to the switch contact 121, when the key part 141 is pressed, the contact pressing piece 13311 moves downward to contact the switch contact 121, and the disposition of the contact pressing piece 13311 improves the structural strength of the contact part, thereby increasing the key life. It is understood that in other embodiments, the contact pressing piece 13311 may not be provided, or the pressing cantilever 1331 may not be provided.
In some embodiments, as shown in fig. 2 and fig. 3, a positioning hole 135 may be further disposed on an inner edge of the key slot 132, a positioning post 1411 is correspondingly disposed on the key portion 141, and the positioning post 1411 is in fit connection with the positioning hole 135 to further position the key portion 141, so as to ensure that no relative sliding occurs between the key portion 141 and the key slot 132.
In the embodiment shown in fig. 2 and 3, a plurality of positioning holes 135 are uniformly formed on the edge inside the key groove 132, a plurality of positioning posts 1411 are correspondingly formed on one surface of the key portion 141 facing the key groove 132, the positioning posts 1411 penetrate through the positioning holes 135 and have ends protruding out of the positioning holes 135, and the diameters of the ends of the positioning posts 1411 are larger than the diameters of the positioning holes 135 to ensure the connection stability. It will be appreciated that in other embodiments, further positioning of the key portion 141 within the key slot 132 may be achieved by other positioning structures, such as snap tabs and snap slots.
In some embodiments, as shown in fig. 2, the edge of the circuit board 120 may further be provided with an indicator lamp 122, the waterproof button 100 may further include a light guide column 150 disposed corresponding to the indicator lamp 122, the top cover 130 is provided with an opening 136 for accommodating the light guide column 150, and the light guide column 150 is hermetically connected to the opening 136. The indicator lamp 122 is provided to better display the operating state of the switch contact 121, and the light guide post 150 is used to project the light emitted by the indicator lamp 122 to give intuitive operating state feedback to the user.
In the embodiment shown in fig. 2, the indicator 122 is disposed at an edge of a surface of the circuit board facing the top cover 130, the light guide pillar 150 is disposed at an outer side of the indicator 122, the top cover 130 is provided with an opening 136 corresponding to the light guide pillar 150, the light guide pillar 150 is fixed in the opening 136, and the light guide pillar 150 projects light emitted by the indicator 122 to the outside of the top cover 130 through a series of reflections, so that a user can observe and know a working state of the waterproof button 100. It is understood that in other embodiments, the light guide 150 may be disposed on the base 110.
In some embodiments, the light guide pillar 150 and the opening 136 can be hermetically connected by a sleeve beer process, that is, the light guide pillar 150 is placed in a mold of the top cover 130, and when the top cover 130 is injection molded, the inner wall of the opening 136 is welded to the light guide pillar 150, so as to seal the light guide pillar 150 and the opening 136.
In some embodiments, as shown in fig. 2 and 3, the waterproof button 100 may further include a connecting structure 170 and a latch 180, the connecting structure 170 is fixed to one side of the base 110, the connecting structure 170 is provided with a connecting hole 171, one end of the latch 180 is detachably connected to the connecting hole 171, and the other end of the latch 180 is used for being connected with an external device to hang or fix the waterproof button 100.
In the embodiment shown in fig. 2 and 3, the connecting structure 170 is integrally connected with the base 110 and the top cover 130 in a snap-fit manner after being assembled, a connecting hole 171 is formed at one end of the connecting structure 170 away from the base 110, one end of the lock catch 180 is detachably connected with the connecting hole 171, and the other end of the lock catch 180 can be connected with an external hook or other structures to hang or fix the waterproof button 100.
The utility model discloses waterproof button 100 has good waterproof performance, can soak work in aqueous. In the embodiment shown in fig. 2, the base 110 and the top cover 130 can be connected by a plurality of screws and threads, and when the waterproof button 100 is soaked in water, it needs to satisfy the following requirements:
the total screw locking force > the elastic force of the compressed sealing part 142 > the water depth pressure of the surface of the sealing part 142
So that the water pressure does not compressively deform the sealing portion 142 to ensure a perfect fit without a gap between the sealing portion 142 and the groove 111.
Another aspect of the embodiments of the present invention provides a device with a button, such as a remote controller, which includes the waterproof button 100 of any of the above embodiments.
It should be noted that unless otherwise indicated, technical or scientific terms used in accordance with embodiments of the present invention shall have the ordinary meaning as understood by those skilled in the art to which embodiments of the present invention pertain.
In the description of the embodiments of the present invention, the technical terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of description and simplification of the description, but does not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the embodiments of the present invention.
Furthermore, the technical terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the description of the novel embodiments of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are used in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; mechanical connection or electrical connection is also possible; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
In describing the novel embodiments of this embodiment, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Furthermore, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely below the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (10)

1. A waterproof key, comprising:
a base;
the circuit board is fixed in the base and is provided with a switch contact;
the battery is arranged on the circuit board and is electrically connected with the circuit board;
the top cover is fixedly connected with the base;
the key structure is connected with the top cover in a sealing manner;
the key structure comprises a key part and a sealing part, the key part is fixedly connected with the sealing part, the key part is fixed on the top cover and is arranged corresponding to the switch contact, the sealing part is arranged at the joint of the top cover and the base, a groove for accommodating the sealing part is arranged on the base, and the sealing part is in interference fit with the groove.
2. The waterproof key of claim 1, wherein the sealing portion is made of soft plastic or soft rubber, and the compression amount of the interference fit between the sealing portion and the groove is 0.2-0.35 mm.
3. The waterproof button according to claim 1, wherein the top cover comprises a cover body, a key slot, a button opening and a through hole, the cover body is fixedly connected with the base, the key slot is arranged on the cover body, the button opening is fixed in the key slot, the through hole is arranged at the edge of the key slot, the button portion is arranged in the key slot and covers the button opening, the button structure further comprises a connecting portion, the connecting portion penetrates through the through hole, one end of the connecting portion is connected with the button portion, the other end of the connecting portion is connected with the sealing portion, and a bending portion which is bent vertically from one end close to the button portion to the other end of the connecting portion towards the inner wall of the cover body is arranged in the middle section of the connecting portion.
4. The waterproof key according to claim 3, wherein said key portion, seal portion and connecting portion are integrally formed.
5. The waterproof key of claim 3, wherein the inner wall at the edge of the key opening is provided with a pressing cantilever extending toward the center of the key opening, the pressing cantilever being disposed in correspondence with the switch contact such that when the key portion is pressed, the key portion indirectly presses the switch contact through the pressing cantilever.
6. The waterproof key according to claim 3, wherein a positioning hole is further formed on an inner edge of the key slot, and a positioning post is correspondingly formed on the key portion and is in fit connection with the positioning hole.
7. The waterproof key of claim 1, wherein an indicator light is disposed at an edge of the circuit board, the waterproof key further comprises a light guide pillar corresponding to the indicator light, the top cover is provided with an opening corresponding to the light guide pillar, the light guide pillar is disposed in the opening, and the light guide pillar is hermetically connected to the opening.
8. The waterproof key of claim 7, wherein said light guide surface is fused to said opening inner wall.
9. The waterproof key according to claim 1, further comprising a connecting structure and a latch, wherein the connecting structure is fixed on one side of the base, the connecting structure is provided with a connecting hole, one end of the latch is detachably connected with the connecting hole, and the other end of the latch is used for being connected with the outside to hang or fix the waterproof key.
10. A device with keys, characterized in that it comprises a waterproof key according to any one of claims 1-9.
CN202022722738.2U 2020-11-20 2020-11-20 Waterproof button and take button equipment Active CN213691812U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022722738.2U CN213691812U (en) 2020-11-20 2020-11-20 Waterproof button and take button equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022722738.2U CN213691812U (en) 2020-11-20 2020-11-20 Waterproof button and take button equipment

Publications (1)

Publication Number Publication Date
CN213691812U true CN213691812U (en) 2021-07-13

Family

ID=76735008

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022722738.2U Active CN213691812U (en) 2020-11-20 2020-11-20 Waterproof button and take button equipment

Country Status (1)

Country Link
CN (1) CN213691812U (en)

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