Waterproof structure for key plug

Abstract

The utility model relates to the technical field of key plugs, and discloses a waterproof structure for a key plug, which comprises a key plug body, a top cover and a limiting column, the top cover and the key plug body are of an integrated structure, and a positioning frame is fixedly mounted at one end, close to the key plug body, of the top cover. A sealing sleeve is fixedly installed on the outer surface of the end, away from the key plug body, of the limiting column, a first waterproof strip and a second waterproof strip are fixedly installed on the outer surface, close to the top cover, of the key plug body, and a first through groove is formed in the end, away from the key plug body, of the top cover. According to the waterproof structure for the key plug, through the design of the limiting column, the sealing sleeve and the clamping block, the key plug can be conveniently and accurately installed on equipment, the installation error is reduced, the installation efficiency is improved, in cooperation with the pull cover design of the upper sealing assembly, the sealing assembly can be conveniently taken out for maintenance or replacement when needed, and the maintenance difficulty and cost are reduced; and the sealing performance reduction caused by easy aging and deformation of rubber after long-term use is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of key plug, specifically is a waterproof structure for key plug. BACKGROUND

[0002] Many electronic devices, such as mobile phones, tablet computers, smart watches, cameras, etc., are equipped with physical keys, and these devices are often used in environments that may be exposed to water, in humid outdoor environments, near water sources, and even may encounter accidental water immersion, in order to ensure the normal operation of the device in these environments, prevent water from entering the device through the gap between the key and the device body and damage the electronic components, effective waterproof sealing treatment of the key is required, and the key plug waterproof structure emerges as the times require.

[0003] In the existing key plug use, often install waterproof ring in the bottom of key, then utilize the elasticity of rubber to realize the sealing of certain degree, but single layer sealing structure, not only easy to cause its sealing performance is poor, and waterproof effect is limited, long -term use rubber is easy to age, deformation, lead to sealing performance decline. SUMMARY

[0004] The utility model wants to solve the technical problem to provide a waterproof structure for key plug, it can effectively solve the problem in prior art.

[0005] The utility model employs the technical scheme: a waterproof structure for key plug, including key plug body and with the key plug body is integral type structure's top cover and limit post, the top cover is fixedly installed with the location frame in the end close to key plug body, the limit post is fixedly installed with the sealing sleeve on the outer surface of the end away from key plug body, the outer surface of key plug body close to the top cover is fixedly installed with waterproof strip one and waterproof strip two, the top cover is set up with the through slot one in the end away from key plug body, the through slot one inner surface is insertedly installed with sealing assembly, the outer surface of key plug body away from the top cover is fixedly installed with waterproof strip three.

[0006] Preferably, the other end of the top cover away from the key plug body is provided with a groove, the side of the top cover close to the groove is fixedly installed with a limit post, and the sealing sleeve is matched with the limit post.

[0007] Through the above technical scheme, through the design of the sealing sleeve, the positioning effect can be achieved when the key plug is installed, and the sealing sleeve can effectively fill the installation gap to prevent water from seeping from the gap between the limit post and the mounting hole, and improve the waterproof performance.

[0008] Preferably, the cross section of the sealing sleeve is in a "round" shape, and the sealing sleeve is a rubber sealing sleeve.

[0009] The circular structure of the sealing sleeve can better fit the mounting hole, the rubber material has good elasticity and flexibility, and can tightly fit the wall of the mounting hole when being pressed, thereby further enhancing the sealing effect, effectively preventing water from entering, and ensuring the reliable waterproof performance of the key plug.

[0010] Preferably, the key plug body is fixedly installed with a clamping block at each end away from the center line, the waterproof strip one and the waterproof strip two are located at the two ends of the clamping block, and the waterproof strip one and the waterproof strip two are rubber waterproof strips.

[0011] The clamping block on the key plug body can be used to cooperate with the corresponding clamping groove on the equipment to achieve the preliminary positioning and installation of the key plug. The rubber waterproof strip one and the waterproof strip two located at the two ends of the clamping block can tightly fit the surface of the equipment after the key plug is installed, fill the gap between the key plug and the equipment, effectively prevent water from entering from the edge of the key plug, and enhance the overall waterproof capability of the key plug.

[0012] Preferably, the waterproof strip one, the waterproof strip two and the waterproof strip three have the same overall shape as the outer contour of the key plug body and are in one-to-one correspondence.

[0013] The waterproof strip one, the waterproof strip two and the waterproof strip three have the same outer contour as the key plug body and are in one-to-one correspondence. After the key plug is installed on the equipment, each waterproof strip can be in full-range and gapless contact with the surface of the equipment, tightly wrap the contact part of the key plug and the equipment, prevent water from entering from the connection between the key plug and the equipment, and provide comprehensive and efficient waterproof protection for the key plug.

[0014] Preferably, the sealing assembly comprises a sealing block, a through groove two is formed in the outer surface of the sealing block, a pull cover is fixedly installed at the other end of the sealing block away from the through groove two, and the sealing block is a rubber sealing block.

[0015] The design of the through groove two enables the sealing block to deform when being pressed, thereby further enhancing the sealing effect, preventing water from entering from the through groove one, and facilitating the removal of the sealing assembly when needed, so as to facilitate the maintenance or replacement of the key plug.

[0016] Preferably, the through groove two is provided with a plurality of same through grooves, the plurality of through grooves are equally spaced about the sealing block, and the sealing assembly and the through groove one are in interference fit.

[0017] The plurality of equally spaced through grooves two enable the sealing block to better adapt to the pressure change in the through groove one after being inserted into the through groove one, and more effectively deform elastically, thereby achieving the interference fit with the through groove one, greatly enhancing the sealing property between the sealing assembly and the through groove one, effectively preventing water from entering the key plug from the through groove one, and improving the waterproof performance of the entire waterproof structure.

[0018] Compared with the prior art, the utility model provides a waterproof structure for key plug has the following beneficial effects:

[0019] 1, this waterproof structure for key plug, through the synergies of multichannel waterproof design, waterproof strip all -round wrapping key plug and equipment contact part, sealing sleeve and sealing assembly effective filling gap, greatly improve waterproof performance, ensure that key plug can reliably work under humid environment, prolong the service life;

[0020] 2, this waterproof structure for key plug, the design of limiting post and sealing sleeve and clamping block, the key plug is installed in the equipment conveniently, reduces installation error, improves installation efficiency, and cooperate with the pull cover design of sealing assembly, it is convenient to take out sealing assembly and maintain or replace when needed, reduce maintenance difficulty and cost, avoid long -term use after rubber easily aging, deformation, lead to sealing performance decline. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the three-dimensional structure schematic of the utility model Figure One ;

[0022] Figure 2 It is the three-dimensional structure schematic of the utility model Figure Two ;

[0023] Figure 3 It is the split structure schematic of the utility model key plug and sealing assembly Figure One ;

[0024] Figure 4 It is the split structure schematic of the utility model key plug and sealing assembly Figure Two ;

[0025] Figure 5 It is the explosion structure schematic of the utility model Figure One ;

[0026] Figure 6 It is the explosion structure schematic of the utility model Figure Two .

[0027] Wherein: 1, key plug body;2, top cover;3, positioning frame;4, recess;5, limiting post;6, sealing sleeve;7, clamping block;8, waterproof strip one;9, waterproof strip two;10, through groove one;11, sealing assembly;1101, sealing block;1102, through groove two;1103, pull cover;12, waterproof strip three. DETAILED DESCRIPTION

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Example 1: As Figures 1-6 As shown, the present invention provides a waterproof structure for a key plug, including a key plug body 1, a top cover 2 and a limiting post 5 that are integrally formed with the key plug body 1. A positioning frame 3 is fixedly installed at the end of the top cover 2 near the key plug body 1. A sealing sleeve 6 is fixedly installed on the outer surface of the limiting post 5 away from the key plug body 1. A waterproof strip 8 and a waterproof strip 9 are fixedly installed on the outer surface of the key plug body 1 near the top cover 2. A through groove 10 is opened at the end of the top cover 2 away from the key plug body 1. A sealing component 11 is inserted into the inner surface of the through groove 10. A waterproof strip 3 12 is fixedly installed on the outer surface of the key plug body 1 away from the top cover 2.

[0030] Specifically, a groove 4 is provided at the other end of the top cover 2 away from the button plug body 1. A limiting post 5 is fixedly installed on the side of the top cover 2 near the groove 4. The sealing sleeve 6 is adapted to the limiting post 5. The advantage is that the design of the sealing sleeve 6 can play a positioning role when the button plug is installed. At the same time, the sealing sleeve 6 can effectively fill the installation gap, prevent water from seeping in from the gap between the limiting post 5 and the installation hole, and improve the waterproof performance.

[0031] Specifically, the sealing sleeve 6 has a circular cross-section and is made of rubber. The advantage of the sealing sleeve 6 is that its circular structure allows it to fit better with the mounting hole. The rubber material has good elasticity and flexibility, and can fit tightly against the wall of the mounting hole when compressed, further enhancing the sealing effect, effectively preventing water from entering, and ensuring the reliable waterproof performance of the button plug.

[0032] Specifically, the button plug body 1 has locking blocks 7 fixedly installed at both ends away from the center line. Waterproof strip 8 and waterproof strip 9 are located at both ends of the locking blocks 7. Waterproof strip 8 and waterproof strip 9 are rubber waterproof strips. The advantage is that the locking blocks 7 on the button plug body 1 can be used to cooperate with the corresponding slots on the equipment to achieve the initial positioning and installation of the button plug. After the button plug is installed, the rubber waterproof strips 8 and 9 at both ends of the locking blocks 7 can fit tightly against the surface of the equipment, fill the gap between the button plug and the equipment, effectively prevent water from seeping in from the edge of the button plug, and enhance the overall waterproof capability of the button plug.

[0033] Example 2: Figures 2-6 As shown, this is an improvement on the previous embodiment.

[0034] Specifically, the waterproof strip one 8, the waterproof strip two 9 and the waterproof strip three 12 have the same overall shape as the outer contour of the key plug body 1 and are one-to-one corresponding, which has the advantages that the waterproof strip one 8, the waterproof strip two 9 and the waterproof strip three 12 have the same overall shape as the outer contour of the key plug body 1 and are one-to-one corresponding, after the key plug is installed on the equipment, each waterproof strip can be fully and seamlessly attached to the surface of the equipment, tightly wrapping the contact part of the key plug and the equipment, which can prevent water from entering from the connection between the key plug and the equipment, and can provide comprehensive and efficient waterproof protection for the key plug.

[0035] Specifically, the sealing assembly 11 includes a sealing block 1101, the outer surface of the sealing block 1101 is provided with a through slot two 1102, the other end of the sealing block 1101 away from the through slot two 1102 is fixedly installed with a pull cover 1103, and the sealing block 1101 is a rubber sealing block, which has the advantages that the design of the through slot two 1102 enables the sealing block 1101 to deform when being extruded, further enhancing the sealing effect and preventing water from entering from the through slot one 10, and the pull cover 1103 facilitates the removal of the sealing assembly 11 when needed, thereby facilitating the maintenance or replacement of the key plug.

[0036] Specifically, the through slot two 1102 is provided with multiple identical through slots, and the multiple through slots two 1102 are equidistantly distributed about the sealing block 1101, and the sealing assembly 11 is in interference fit with the through slot one 10, which has the advantages that the multiple equidistantly distributed through slots two 1102 enable the sealing block 1101 to better adapt to the pressure change in the through slot one 10 and more effectively elastically deform after being inserted into the through slot one 10, thereby achieving interference fit with the through slot one 10 and greatly enhancing the sealing between the sealing assembly 11 and the through slot one 10, effectively preventing water from entering the key plug from the through slot one 10 and improving the waterproof performance of the entire waterproof structure.

[0037] Working principle: in use, the limiting column 5 is positioned through the groove 4 on the top cover 2, then the sealing sleeve 6 outside the limiting column 5 can be inserted into the corresponding mounting hole of the equipment to achieve precise positioning, at the same time, the clamping block 7 on the key plug body 1 cooperates with the clamping groove on the equipment to further determine the installation position of the key plug, after installation is completed, the waterproof strip one 8, the waterproof strip two 9 and the waterproof strip three 12 can be fully and tightly attached to the surface of the equipment due to the same overall shape as the outer contour of the key plug body 1 and one-to-one correspondence, thereby preventing water from entering from the connection between the key plug and the equipment, the circular rubber structure of the sealing sleeve 6 tightly attaches to the wall of the mounting hole to prevent water from seeping from the gap between the limiting column 5 and the mounting hole, and the rubber sealing block 1101 in the sealing assembly 11 is inserted into the through slot one 10, and the multiple equidistantly distributed through slots two 1102 enable the sealing block 1101 to elastically deform when being pressed, thereby achieving interference fit with the through slot one 10 and preventing water from entering the key plug from the through slot one 10.

[0038] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A waterproof structure for a key plug, comprising a key plug body (1), a top cover (2) integrally formed with the key plug body (1), and a limiting post (5), characterized in that: A positioning bracket (3) is fixedly installed at one end of the top cover (2) near the key plug body (1). A sealing sleeve (6) is fixedly installed on the outer surface of the limiting post (5) away from the key plug body (1). Waterproof strip one (8) and waterproof strip two (9) are fixedly installed on the outer surface of the key plug body (1) near the top cover (2). A through groove one (10) is opened at one end of the top cover (2) away from the key plug body (1). A sealing component (11) is inserted into the inner surface of the through groove one (10). A waterproof strip three (12) is fixedly installed on the outer surface of the key plug body (1) away from the top cover (2).

2. The waterproof structure for a key plug according to claim 1, characterized in that: The top cover (2) has a groove (4) at the other end away from the button body (1). A limiting post (5) is fixedly installed on the side of the top cover (2) near the groove (4). The sealing sleeve (6) is adapted to the limiting post (5).

3. A waterproof structure for a key plug according to claim 2, characterized in that: The sealing sleeve (6) has a circular cross-section and is a rubber sealing sleeve.

4. A waterproof structure for a key plug according to claim 1, characterized in that: The button plug body (1) has two fixed locking blocks (7) at both ends away from the center line. The first waterproof strip (8) and the second waterproof strip (9) are located at both ends of the locking block (7). The first waterproof strip (8) and the second waterproof strip (9) are rubber waterproof strips.

5. A waterproof structure for a key plug according to claim 1, characterized in that: The overall shape of the waterproof strip one (8), waterproof strip two (9) and waterproof strip three (12) is the same as the outer contour of the key plug body (1) and the two correspond one-to-one.

6. A waterproof structure for a key plug according to claim 1, characterized in that: The sealing assembly (11) includes a sealing block (1101), the outer surface of which is provided with a through groove (1102), and a pull cover (1103) is fixedly installed at the other end of the sealing block (1101) away from the through groove (1102). The sealing block (1101) is a rubber sealing block.

7. A waterproof structure for a key plug according to claim 6, characterized in that: The second through groove (1102) is provided with multiple identical through grooves, and the multiple through grooves (1102) are distributed at equal intervals with respect to the sealing block (1101). The sealing assembly (11) and the first through groove (10) are interference fit.

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