Waterproof key switch

Abstract

The utility model discloses a waterproof key switch, which belongs to the technical field of key switches, and comprises a key and a protective shell, the protective shell is internally provided with an accommodating groove, the key is arranged in the accommodating groove, the top of the protective shell is provided with a through hole, a pressing part of the key penetrates out of the through hole, the key is sleeved with a silicon rubber case, and the silicon rubber case is arranged in the accommodating groove. The bottom of the containing groove is sealed by pouring waterproof glue, and the lead penetrates into the waterproof glue to be connected with a pin of the key. The waterproof key switch has the advantages that the key is arranged in the protective shell, and the waterproof glue is poured to seal the bottom of the key, so that moisture permeation can be effectively blocked, a good waterproof effect is realized, and normal operation of the key switch in a humid environment is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of key switches, and more specifically to a waterproof key switch. Background Art

[0002] With the continuous development of science and technology, smart home has become an important part of modern family life. As an important part of smart home, smart toilets are increasingly favored by consumers for their intelligent and user-friendly design. However, in actual use, there has been no good solution to the waterproof problem of the switch button on the smart toilet.

[0003] In the existing smart toilet design, the key switch is often directly exposed to the outside, or although there are certain protection measures, the waterproof effect is not ideal. This leads to the fact that when the bathroom is humid or clean, water can easily penetrate into the key switch, causing circuit short circuits, key failures and other problems, seriously affecting the normal use of the smart toilet and even causing safety hazards. Therefore, it is necessary to design a new type of waterproof key switch. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a waterproof key switch, which has the advantage of being able to effectively prevent moisture penetration and ensure the normal operation of the key switch in a humid environment.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A waterproof key switch comprises a key and a protective shell, wherein a receiving groove is provided in the protective shell, the key is arranged in the receiving groove, a through hole is provided on the top of the protective shell, a pressing portion of the key passes through the through hole, a silicone sleeve is provided on the key, the bottom of the receiving groove is sealed by pouring waterproof glue, and a lead wire passes through the waterproof glue and is connected to a pin of the key.

[0007] By adopting the above technical solution, a silicone sleeve is put on the button, and then the button is set in a protective shell. Only the pressing part protrudes from the through hole for triggering, and the bottom is sealed with waterproof glue, which can effectively prevent moisture penetration, thereby ensuring that the button switch works in a test environment.

[0008] The utility model is further configured as follows: a pressure rod is arranged on the top of the protective shell, and the pressure rod is used to press the pressing part of the button.

[0009] By adopting the above technical solution, the design of the pressure rod can have a clear force point when pressing the switch, so that it is easier to apply force, which is suitable for situations where frequent operations are required.

[0010] The utility model is further configured as follows: a boss is protruded from the top of the protective shell and located at the through hole, and when the pressure rod is pressed downward to fit with the boss, the pressure rod is in a horizontal state.

[0011] By adopting the above technical solution, when the pressure rod is pressed downward to a horizontal state, it will fit with the boss and cannot be pressed further, preventing the pressing part from being pressed too deeply and getting stuck and unable to rebound. The pressing part will not tilt when pressed downward, making it more stable.

[0012] The utility model is further configured as follows: a limit plate is arranged inside the protective shell and at the bottom of the key, and the limit plate is used to prevent the key from moving downward.

[0013] By adopting the above technical solution, the bottom of the key is abutted by the limiting plate, which prevents the key from deflecting downward when the key is pressed, making the key more secure.

[0014] The utility model is further configured as follows: a lifting column is protruded from the top of the limiting plate, and the lifting column is fitted with the bottom of the button.

[0015] By adopting the above technical solution, a gap is provided between the bottom of the key and the limiting plate, so as to make room for the pins and prevent the pins from being squeezed and damaged.

[0016] The utility model is further configured as follows: a connecting groove is opened in the protective shell, a connecting column is protruded from the limiting plate toward the connecting groove, and the connecting column is interference-fitted with the connecting groove to fix the positioning plate.

[0017] By adopting the above technical solution, external force is used to penetrate the connecting column into the connecting groove to achieve the installation of the limit plate, and at the same time, the limit column on the limit plate will penetrate into the bottom of the button.

[0018] The utility model is further configured as follows: the connecting column is in a frustum shape.

[0019] By adopting the above technical solution, the top end of the connecting column is smaller in size, making it easier for the connecting column to penetrate into the connecting groove. At the same time, the bottom end of the connecting column is larger in size, and is connected with the connecting groove by interference fit.

[0020] The utility model is further configured as follows: a positioning groove for fixing the lead wire is opened at the bottom of the protective shell, and the lead wire is clamped in the positioning groove.

[0021] By adopting the above technical solution, the lead wire is clamped in the positioning groove, which has a giving way effect, making it difficult for the lead wire to be crushed, and at the same time has an effect of fixing the lead wire.

[0022] The utility model is further configured as follows: a mounting hole is provided on the protective shell, and a screw or a latch is passed through the mounting hole to fix the protective shell.

[0023] By adopting the above technical solution, the protective shell is installed and fixed by using bolts threadedly connected in the installation hole, or using a pin to directly pass through the installation hole.

[0024] Compared with the prior art, the utility model has at least the following advantages:

[0025] 1. Setting the button in a protective shell can effectively protect the switch from direct damage from the external environment. At the same time, a silicone cover is provided on the outside of the button, and the bottom of the button is sealed with waterproof glue, which can effectively prevent moisture penetration and achieve a good waterproof effect, thereby ensuring the normal operation of the button switch in a humid environment, providing strong guarantee for the reliability and safety of the smart toilet.

[0026] 2. A pressure rod is arranged on the protective shell, and a boss is arranged at the through hole to limit the downward pressing process of the pressure rod, so as to prevent the pressing part from being stuck and unable to rebound due to being pressed too deeply. The pressing part will not tilt when being pressed downward, which is more stable.

[0027] 3. By setting a limit plate under the button, the button can be prevented from shifting downward, making the button installation more secure. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is an overall schematic diagram of this embodiment;

[0029] Figure 2 is a three-dimensional cross-sectional view of this embodiment;

[0030] Figure 3 It is a schematic diagram of the buttons;

[0031] Figure 4 This is a schematic diagram of the bottom of the button without waterproof glue;

[0032] Figure 5 This is a schematic diagram of pouring waterproof glue on the bottom of the button.

[0033] Description of reference numerals:

[0034] 1. Button; 2. Protective shell; 3. Receiving groove; 4. Through hole; 5. Pressure rod; 6. Boss; 7. Limit plate; 8. Lifting column; 9. Connecting column; 10. Pin; 11. Connecting groove; 12. Positioning groove; 13. Mounting hole; 14. Card slot; 15. Waterproof glue; 16. Lead wire. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. The components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0036] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] A waterproof push button switch, such as Figures 1 to 3 As shown, it includes a button 1 and a protective shell 2. A receiving groove 3 is provided at the bottom of the protective shell 2. A through hole 4 is provided at the top of the protective shell 2 at the receiving groove 3. The button 1 is inserted into the receiving groove 3 from the bottom of the protective shell 2. The button 1 and the receiving groove 3 are interference fit, and the pressing portion at the top of the button 1 passes through the through hole 4. The pressing portion of the button 1 can be pressed at the top of the protective shell 2, which can effectively protect the switch from direct damage by the external environment. A pressing rod 5 is also provided on the top of the protective shell 2. The pressing rod 5 is elastic, one end of which is fixed to the top of the protective shell 2, and the other end can be pressed downward to press the pressing portion of the button 1, making it easier for users to apply force. It is suitable for situations where frequent operations are required.

[0038] A silicone sleeve is provided on the key 1, which completely covers the sides and the top of the key 1, preventing moisture from entering through the through hole 4 and affecting the key 1, and exposing the bottom of the key 1 so that the metal pin 10 at the bottom of the key 1 leaks out.

[0039] A boss 6 protrudes from the top of the protective shell 2 and is located at the through hole 4. The boss 6 is arranged around the circumference of the through hole 4. The pressing part of the button 1 protrudes above the boss 6. When the pressure rod 5 is pressed downward to fit with the boss 6, the pressure rod 5 is in a horizontal state, and the pressing part cannot continue to move downward, preventing the pressing part from being pressed too deeply and getting stuck and unable to rebound. The pressing part will not tilt when pressed downward, and is more stable.

[0040] A limit plate 7 is provided inside the protective shell 2 and at the bottom of the key 1. The limit plate 7 is used to prevent the key 1 from moving downward. A lifting column 8 is protruded from the top of the limit plate 7. The lifting column 8 fits with the bottom of the key 1, thereby providing support for the key 1 and preventing it from falling off when the key 1 is pressed. By providing the lifting column 8, a certain gap is provided between the bottom of the key 1 and the limit plate 7, which can make way for the pin 10 at the bottom of the key 1 to prevent the pin 10 from being squeezed and damaged.

[0041] A connecting groove 11 is provided at the bottom of the protective shell 2 and on one side of the accommodating groove 3. A connecting column 9 protrudes from the limiting plate 7 toward the connecting groove 11. The connecting column 9 penetrates into the connecting groove 11 and has an interference fit with the connecting groove 11, thereby achieving the fixation of the positioning plate. The connecting column 9 is in the shape of a frustum, so that the top end of the connecting column 9 is smaller, making it easier for the connecting column 9 to penetrate into the connecting groove 11. At the same time, the bottom end of the connecting column 9 is larger in size and is interfered with the connecting groove 11 to achieve snap-in. The connecting column 9 of this embodiment is in the shape of a frustum.

[0042] like Figure 4 and Figure 5 As shown, the bottom of the receiving groove 3 is sealed by pouring waterproof glue 15, the waterproof glue 15 is located below the limiting plate 7, and the lead 16 is inserted into the waterproof glue 15 and connected to the pin 10 at the bottom of the button 1, which can effectively prevent moisture penetration and achieve a good waterproof effect.

[0043] A positioning groove 12 for fixing the lead 16 is provided at the bottom of the protective shell 2. The lead 16 is snapped into the positioning groove 12 to make room for the lead 16 so that the lead 16 is not easily crushed. At the same time, the lead 16 can be fixed to improve stability.

[0044] The side wall of the protective shell 2 is penetrated by a mounting hole 13, which can be directly locked by screws, or the positioning column can be passed through the mounting hole 13 and then fixed to the protective shell 2 by hot melting. A card slot 14 is also provided at one end of the protective shell 2, and the card slot 14 is snap-connected with the parts in the smart toilet, which also has a positioning and fixing effect on the protective shell 2.

[0045] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the design concept of the present invention should be included in the protection scope of the present invention.

Claims

1. A waterproof push button switch, characterized in that: The invention comprises a key (1) and a protective shell (2), wherein a receiving groove (3) is provided in the protective shell (2), the key (1) is arranged in the receiving groove (3), a through hole (4) is provided on the top of the protective shell (2), a pressing part of the key (1) passes through the through hole (4), a silicone sleeve is provided on the key (1), the bottom of the receiving groove (3) is sealed by pouring waterproof glue (15), and a lead wire (16) passes through the waterproof glue (15) and is connected to a pin (10) of the key (1).

2. A waterproof key switch according to claim 1, characterized in that: A pressing rod (5) is arranged on the top of the protective shell (2), and the pressing rod (5) is used to press the pressing part of the button (1).

3. A waterproof key switch according to claim 2, characterized in that: A boss (6) is protruded from the top of the protective shell (2) and located at the through hole (4); when the pressure rod (5) is pressed downward until it fits with the boss (6), the pressure rod (5) is in a horizontal state.

4. The waterproof key switch according to claim 1, characterized in that: A limit plate (7) is arranged inside the protective shell (2) and at the bottom of the key (1), and the limit plate (7) is used to prevent the key (1) from moving downward.

5. A waterproof key switch according to claim 4, characterized in that: A lifting column (8) protrudes from the top of the limiting plate (7), and the lifting column (8) fits with the bottom of the button (1).

6. A waterproof key switch according to claim 4, characterized in that: A connecting groove (11) is provided in the protective shell (2), a connecting column (9) protrudes from the limiting plate (7) toward the connecting groove (11), and the connecting column (9) and the connecting groove (11) are interference-fitted to achieve fixation of the positioning plate.

7. A waterproof key switch according to claim 6, characterized in that: The connecting column (9) is in the shape of a frustum.

8. The waterproof key switch according to claim 1, characterized in that: A positioning groove (12) for fixing the lead wire (16) is provided at the bottom of the protective shell (2), and the lead wire (16) is clamped in the positioning groove (12).

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