Button operating device

Abstract

The present application relates to the technical field of switch structures, and discloses a button operating device, comprising a housing (1), a push rod (2), a spring (3), a sealing gasket (4), a connecting member (5), a button plate (6), and a pressing block (7). A first annular groove (8) and a second annular groove (9) are coaxially formed inside the housing (1); the push rod (2) is arranged in the first annular groove (8) and has one end thereof capable of extending out of the housing (1); the sealing gasket (4) is arranged in the first annular groove (8); the other end of the push rod (2) is provided with a connecting portion (19); the connecting portion (19) extends out of the sealing gasket (4); the pressing block (7) is arranged in the second annular groove (9); the pressing block (7) is connected to the connecting portion (19) by means of the connecting member (5); one end of the pressing block (7) abuts against the sealing gasket (4), and the other end of the pressing block (7) is provided with the button plate (6); the spring (3) is arranged at the periphery of the sealing gasket (4); and one end of the spring (3) abuts against the sealing gasket (4), and the other end of the spring (3) is in contact with the pressing block (7). By providing the sealing gasket (4), the sealing performance between the push rod (2) and the pressing block (7) can be ensured, thereby preventing external water droplets from entering an electrical control box along the push rod (2); and by providing engagement portions (17), quick assembly or disassembly of the button and the electrical control box is facilitated.

Description

A button operating device Technical Field

[0001] This utility model relates to the field of switch structure technology, and in particular to a button operation device. Background Technology

[0002] Explosion-proof products, especially flameproof products, require the operation of control buttons or switches through the flameproof enclosure. Currently, each explosion-proof manufacturer has its own independently developed operating mechanism.

[0003] The existing button operation device includes an operation column, an operation rod located at the rear end of the operation column, and a button pressure plate located at the front end of the operation column. The operation rod extends into the box. In use, the button pressure plate located on the operation column is pressed first, which drives the operation column to move, thereby driving the operation rod located at the rear end of the operation column to rotate, and thus the operation of the electrical control box is realized through the operation rod.

[0004] However, the sealing effect of the existing button operation device is not good. External water droplets can easily enter the electrical control box along the operating lever, causing the electrical control box to become damp or short-circuit.

[0005] Utility Model Content

[0006] The purpose of this invention is to provide a button operation device to solve the above-mentioned technical problems.

[0007] The technical solution adopted in this utility model is as follows:

[0008] A button-operated device includes a housing, a push rod, a spring, a sealing gasket, a connector, a button piece, and a pressure block. The housing has a first annular groove and a second annular groove coaxially formed inside. The push rod is located in the first annular groove, with one end extending out of the housing. The sealing gasket is located in the first annular groove, and the other end of the push rod has a connecting portion extending out of the sealing gasket. The pressure block is located in the second annular groove and is connected to the connecting portion via the connector. One end of the pressure block abuts against the sealing gasket, and the other end of the pressure block has the button piece. The spring is located around the sealing gasket, with one end abutting against the sealing gasket and the other end contacting the pressure block.

[0009] Preferably, one end of the sealing gasket is bent outward to form a bent portion, and a through hole is provided in the middle of the other end of the sealing gasket, through which the connecting portion passes.

[0010] As a further preferred embodiment, a sealing ring is also included, wherein the upper surface of the bent portion is provided with the sealing ring, and one end of the spring abuts against the bent portion through the sealing ring.

[0011] Preferably, one end of the pressure block has a first mounting groove, the other end of the pressure block has a second mounting groove, the connecting part extends into the first mounting groove, and the button piece is disposed in the second mounting groove.

[0012] Preferably, a first sealing ring is also included, wherein one end of the pressure block and the sealing gasket are provided with the first sealing ring.

[0013] Preferably, the housing also includes a second sealing ring, and the outer edge of the housing is provided with a limiting portion, on which the second sealing ring is provided.

[0014] Preferably, the housing also includes a snap-fit ​​portion, wherein one end of the housing is provided with two snap-fit ​​portions on both sides, and each snap-fit ​​portion is provided with a snap-fit ​​block.

[0015] The above technical solution has the following advantages or beneficial effects:

[0016] In this invention, the sealing gasket ensures the airtightness between the push rod and the pressure block, preventing external water droplets from entering the electrical control box along the push rod. Furthermore, the snap-fit ​​mechanism facilitates quick installation or removal of the button from the electrical control box. Attached Figure Description

[0017] Figure 1 is a structural schematic diagram of the button operation device in this utility model;

[0018] Figure 2 is a cross-sectional view along direction AA in Figure 1;

[0019] Figure 3 is a perspective view of the button operation device in this utility model.

[0020] In the diagram: 1. Housing; 2. Push rod; 3. Spring; 4. Sealing gasket; 5. Connector; 6. Button plate; 7. Pressure block; 8. First annular groove; 9. Second annular groove; 10. Bending part; 11. Sealing pressure ring; 12. First mounting groove; 13. Second mounting groove; 14. First sealing ring; 15. Limiting part; 16. Second sealing ring; 17. Snap-fit ​​part; 18. Snap-fit ​​block; 19. Connecting part. Detailed Implementation

[0021] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0022] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0024] Figure 1 is a structural schematic diagram of the button operating device of this utility model; Figure 2 is a cross-sectional view along direction AA in Figure 1; Figure 3 is a perspective view of the button operating device of this utility model. Please refer to Figures 1 to 3, which show a preferred embodiment of the button operating device, including a housing 1, a push rod 2, a spring 3, a sealing gasket 4, a connecting member 5, a button piece 6, and a pressure block 7. The housing 1 has a first annular groove 8 and a second annular groove 9 coaxially formed inside. The push rod 2 is disposed in the first annular groove 8 and one end can extend out of the housing 1. The sealing gasket 4 is disposed in the first annular groove 8. The other end of the push rod 2 is provided with a connecting part 19, which extends out of the sealing gasket 4. The pressure block 7 is disposed in the second annular groove 9. The pressure block 7 is connected to the connecting part 19 through the connecting member 5. One end of the pressure block 7 abuts against the sealing gasket 4, and the other end of the pressure block 7 is provided with a button piece 6. The spring 3 is disposed around the sealing gasket 4, and one end of the spring 3 abuts against the sealing gasket 4, while the other end of the spring 3 contacts the pressure block 7. Referring to Figure 2, the first annular groove 8 is close to one end of the outer casing 1, and the second annular groove 9 is close to the other end of the outer casing 1. The first annular groove 8 and the second annular groove 9 are coaxially arranged and interconnected. A circular hole communicating with the first annular groove 8 is provided at one end of the outer casing 1, so that one end of the push rod 2 can pass through the circular hole and extend out of the outer casing 1. One end of the push rod 2 is used to contact the switch or button of the electrical control box, so as to control the opening and closing of the corresponding switch or button.

[0025] The spring 3 is used to push the pressure block 7 and the push rod 2 to reset. One end of the spring 3 can compress the sealing gasket 4, which facilitates the sealing between the sealing gasket 4 and the inner wall of the outer shell 1. After the pressure block 7 is connected to the push rod 2 through the connector 5 (bolt), one end of the pressure block 7 can compress the sealing gasket 4 to achieve a seal between the sealing gasket 4 and the push rod 2, preventing water droplets from entering the push rod 2. The longitudinal section of the sealing gasket 4 is generally arched.

[0026] Furthermore, in a preferred embodiment, one end of the sealing gasket 4 is bent outward to form a bent portion 10, and a through hole is provided in the middle of the other end of the sealing gasket 4, through which the connecting portion 19 passes. Referring to Figure 2, the connecting portion 19 is block-shaped, and a sealing fit is formed between the connecting portion 19 and the through hole. The bent portion 10 of the sealing gasket 4 is integrally formed with the sealing gasket 4.

[0027] Furthermore, as a preferred embodiment, a sealing ring 11 is also included. The upper surface of the bent portion 10 is provided with the sealing ring 11, and one end of the spring 3 abuts against the bent portion 10 through the sealing ring 11. The sealing ring 11 can perform a sealing function, and in conjunction with the spring 3, the sealing ring 11 can press the bent portion 10 of the sealing gasket 4 tightly. At this time, both the sealing ring 11 and the bent portion are deformed, which can improve the sealing effect.

[0028] Furthermore, as a preferred embodiment, one end of the pressure block 7 has a first mounting groove 12, and the other end of the pressure block 7 has a second mounting groove 13. The connecting part 19 extends into the first mounting groove 12, and the button piece 6 is disposed in the second mounting groove 13. Referring to Figure 2, the first mounting groove 12 and the second mounting groove 13 are interconnected, and a threaded hole is provided at the other end of the push rod 2 for threaded engagement with the connecting piece 5. The threaded hole passes through the connecting plate and extends into the interior of the push rod 2.

[0029] Furthermore, as a preferred embodiment, a first sealing ring 14 is also included, with one end of the pressure block 7 and the sealing gasket 4 provided with the first sealing ring 14. The provision of the first sealing ring 14 facilitates the improvement of the sealing performance between the pressure block 7 and the sealing gasket 4.

[0030] Furthermore, as a preferred embodiment, a second sealing ring 16 is also included. A limiting portion 15 is provided on the outer edge of the housing 1, and the second sealing ring 16 is provided on the limiting portion 15. Referring to Figure 2, the second sealing ring 16 is used to abut against the external electrical control box, facilitating the sealing between the housing and the external electrical control box.

[0031] Furthermore, as a preferred embodiment, it also includes a snap-fit ​​portion 17. Two snap-fit ​​portions 17 are provided on both sides at one end of the outer casing 1, and each snap-fit ​​portion 17 is provided with a snap-fit ​​block 18. The outer wall of the snap-fit ​​portion 17 is provided with a groove, and the snap-fit ​​block 18 is disposed in the groove for cooperating with the slot in the electrical control box, so as to facilitate the installation of the button on the electrical control box.

[0032] In use, by pressing the button 6, the button 6 pushes the pressure block 7. At this time, the pressure block 7 pushes the push rod 2 to move, and at the same time, it compresses the spring 3. The movement of the push rod 2 will block the corresponding switch or button in the electrical control box to realize the opening or closing. Then, after releasing the button 6, under the action of the spring 3, the pressure block 7 will drive the button 6 and the push rod 2 to automatically reset.

[0033] The above description is only a preferred embodiment of the present utility model and does not limit the implementation method and protection scope of the present utility model. Those skilled in the art should realize that all solutions obtained by equivalent substitutions and obvious changes made based on the description and illustrations of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A pushbutton operating device, characterized by The utility model provides a push button, including shell, push rod, spring, sealing gasket, connecting piece, button piece and pressing block, the inside of shell is coaxial and is set with first annular groove and second annular groove, push rod is located in first annular groove and can extend one end out of shell, sealing gasket is located in first annular groove, the other end of push rod is equipped with connecting portion, and connecting portion extends out of sealing gasket, and the second annular groove is equipped with pressing block, and pressing block is connected with connecting portion through connecting piece, and one end of pressing block abuts on sealing gasket, and the other end of pressing block is equipped with button piece, and spring is located in the periphery of sealing gasket, and one end of spring abuts on sealing gasket, and the other end of spring contacts with pressing block.

2. The pushbutton operating device according to claim 1, characterized in that One end of the sealing gasket is outwardly bent to form a bent portion, and a through hole is formed in the middle of the other end of the sealing gasket, and the connecting portion passes through the through hole.

3. The pushbutton operating device according to claim 2, characterized in that The bent portion is further provided with a sealing ring, and one end of the spring abuts on the bent portion through the sealing ring.

4. The pushbutton operating device according to claim 1, wherein A first mounting groove is formed in one end of the pressing block, a second mounting groove is formed in the other end of the pressing block, the connecting portion extends into the first mounting groove, and the button piece is located in the second mounting groove.

5. The pushbutton operating device according to claim 1, wherein The first sealing ring is further provided between one end of the pressing block and the sealing gasket.

6. The pushbutton operating device according to claim 1, wherein The second sealing ring is further provided on the limiting portion of the outer edge of the shell.

7. The pushbutton operating device according to claim 1, wherein The clamping portions are further provided on both sides of one end of the shell, and each clamping portion is provided with a clamping block.

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