CN211182037U - Explosion-proof button switch structure - Google Patents
Explosion-proof button switch structure Download PDFInfo
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- CN211182037U CN211182037U CN201922455653.XU CN201922455653U CN211182037U CN 211182037 U CN211182037 U CN 211182037U CN 201922455653 U CN201922455653 U CN 201922455653U CN 211182037 U CN211182037 U CN 211182037U
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- sleeve
- pressing
- push rod
- fixing ring
- cap
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Abstract
The utility model discloses an explosion-proof button switch structure, include: the casing, install the button subassembly on the casing and be located the touch switch in the casing, trigger through pressing the button subassembly and touch the touch switch, the button subassembly include: the sleeve is fixedly arranged on the shell in a penetrating way, and one end of the sleeve, which is positioned outside the shell, is connected with the fixing ring; the pressing cap is made of elastic plastic materials and is provided with a bending part; one end of the push rod is connected with the pressing cap, and the other end of the push rod penetrates through the sleeve and then extends to the position of the touch switch. Use the utility model discloses the time, push the cap through pressing and promote the push rod and remove and trigger the touch switch to after the pressing force disappears, utilize to press cap self resilience force and drive the push rod and reset. The utility model discloses simple structure to not only utilize the resilience force of pressing cap self material, still utilize the kink that sets up in pressing the cap to further promote the resilience force, ensure that the button can in time kick-back and reset.
Description
The technical field is as follows:
the utility model relates to an explosion-proof electrical apparatus product technical field refers in particular to an explosion-proof button switch structure.
Background art:
the explosion-proof electrical appliance box is also called an explosion-proof switch control box and is suitable for electrical appliance boxes in certain specific occasions. For example, in some cases containing explosive hazardous gas mixtures, such electrical boxes must be used to prevent an explosion.
Explosion-proof electrical apparatus case includes: the power box is used for controlling the power system. For example, some explosion-proof electrical boxes are usually provided with a button switch, and the button switch in the electrical box is triggered by pressing the button, so that corresponding operation is realized. In order to improve the explosion-proof safety capability, the button switches also need to adopt an explosion-proof design. However, the existing explosion-proof button switch has a complex structure and poor resilience, and is easy to cause fatigue damage. The switch is easy to be reset after being pressed, and long-time touch pressure is formed on the switch. In view of the above situation, the present inventors have made improvements and have proposed the following technical solutions.
The utility model has the following contents:
the utility model aims to solve the technical problem that overcome prior art not enough, provide a simple structure to have the explosion-proof button switch structure of good resilience reset capability.
In order to solve the technical problem, the utility model discloses a following technical scheme: an explosion-proof push button switch structure comprising: the casing, install the button subassembly on the casing and be located the touch switch in the casing, trigger through pressing the button subassembly and touch the touch switch, the button subassembly include: the sleeve is fixedly arranged on the shell in a penetrating way, and one end of the sleeve, which is positioned outside the shell, is connected with the fixing ring; the pressing cap is made of elastic plastic materials and is provided with a bending part; one end of the push rod is connected with the pressing cap, and the other end of the push rod penetrates through the sleeve and then extends to the position of the touch switch; the push rod is pushed to move by pressing the pressing cap to trigger the pressing switch, and after the pressing force disappears, the push rod is driven to reset by the self resilience force of the pressing cap.
Further, in the above technical solution, the cap includes: the press cap comprises a press face, a side edge, a fixing ring and a bending part, wherein the side edge is integrally formed with the press face and is of a horn mouth, the edge of the side edge is clamped and fixed through the fixing ring, and the bending part is formed on the side edge of the press cap and is bent inwards.
Furthermore, in the above technical solution, an outer edge is formed at one end of the sleeve connected with the fixing ring, the other end of the sleeve is inserted into the housing from outside to inside and is in threaded connection with a threaded sleeve, and the sleeve is clamped and fixed on the housing by a clamping force formed by the outer edge and the threaded sleeve.
Further, in the above technical solution, a sealing member is disposed on a joint surface between the outer edge and the outer wall of the housing.
Further, in the above technical solution, a gasket is disposed between the joint surface of the threaded sleeve and the inner wall of the casing.
Furthermore, in the above technical solution, the threaded sleeve is a reducing threaded sleeve, one end of which is in threaded connection with the sleeve, and the other end of which is in threaded connection with the trigger switch.
Furthermore, in the above technical solution, the fixing ring and the outer edge are connected by a ferrule.
Furthermore, in the above technical solution, one end of the fixing ring extends to the space inside the fixing ring to form a pressing block, the pressing block has a guiding inclined plane, and the fixing ring forms a horn-shaped opening through the guiding inclined plane.
Furthermore, in the above technical solution, a flange is formed at one end of the push rod close to the touch switch.
The utility model adopts the above technical scheme after, use the utility model discloses the time, push down the cap through pressing and promote the push rod and remove to trigger and touch the pressure switch to after the pressing force disappears, utilize and press cap self resilience force and drive the push rod and reset. The utility model discloses simple structure to not only utilize the resilience force of pressing cap self material, still utilize the kink that sets up in pressing the cap to further promote the resilience force, ensure that the button can in time kick-back and reset.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
The specific implementation mode is as follows:
the present invention will be further described with reference to the following specific embodiments and accompanying drawings.
See fig. 1, the utility model relates to an explosion-proof button switch structure, it includes: the device comprises a shell 1, a button assembly 2 installed on the shell 1 and a touch switch 3 located in the shell 1, wherein the touch switch 3 is triggered by pressing the button assembly 2.
The housing 1 may be a housing of any explosion-proof electronic product, such as a housing of an explosion-proof electrical box product.
The button assembly 2 comprises: a fixed ring 21, a push cap 22, a sleeve 23 and a push rod 24.
The sleeve 23 is fixed on the housing 1 in a penetrating way, and the fixing structure of the sleeve 23 and the housing 1 is as follows: a through hole through which the common push rod 24 passes is formed in the sleeve 23. The sleeve 23 is inserted onto the housing 1 from the outside inwards, wherein the end located outside the housing 1 is connected to the fixing ring 21. An outer edge 231 is formed at one end of the sleeve 23 connected with the fixing ring 21, the outer edge 231 is used for limiting, and the fixing ring 21 is connected with the outer edge 231 in a clamping sleeve mode. The other end of the sleeve 23 is inserted into the housing 1 from the outside to the inside, and then is screwed with a threaded sleeve 4, and the sleeve 23 is clamped and fixed on the housing 1 by the clamping force formed by the outer edge 231 and the threaded sleeve 4.
Because the utility model discloses an explosion-proof button switch, so be provided with sealing member 5 on the faying face of outer fringe 231 and casing 1 outer wall. In addition, in order to prevent the threaded sleeve 4 and the sleeve 23 from loosening, a gasket 6 is arranged between the combination surface of the threaded sleeve 4 and the inner wall of the shell 1, and the gasket can be an elastic gasket, a loose gasket and the like.
The push cap 22 is made of elastic plastic material, for example, rubber material. The push cap 22 includes: the pressing surface 221 and the side 222 which is integrally formed with the pressing surface 221 and is in a horn shape are clamped and fixed by the fixing ring 21. One end of the fixing ring 21 extends to the inner space of the fixing ring to form a pressing block 211, the pressing block 211 has a guiding inclined plane 212, and the fixing ring 21 forms a trumpet-shaped opening through the guiding inclined plane 212, which is designed to facilitate the pressing of the pressing cap 22 by a user and also to reserve enough space for the pressing deformation of the pressing surface 221. The utility model discloses in, the resilience force according to cap 22 mainly utilizes the kink 220 of inside bending type that forms on its side 222 to produce, presses the pressing surface 221 after the user, and kink 220 is further folded, and after the pressing force disappeared, kink 220 rebounds rapidly under self material characteristic and resets.
One end of the push rod 24 is connected with the press cap 22 and can be limited in the press cap 22 through a snap spring 242. The other end of the push rod 24 is formed with a flange 241. In assembly, the push rod 24 is inserted inside the sleeve 23 from the inside outwards, forming a stop limit by the flange 241. The flange 241 of the push rod 24 is close to the touch switch 3, and a certain gap is reserved between the flange 241 and the touch switch 3.
The touch switch 3 is fixed on the threaded sleeve 4. The thread sleeve 4 is a reducing thread sleeve, one end of the reducing thread sleeve is in threaded connection with the sleeve 23, and the other end of the reducing thread sleeve is in threaded connection with the trigger switch 3.
Use the utility model discloses the time, promote push rod 24 through pressing the cap 22 and remove to trigger and touch pressure switch 3 to after the pressing force disappears, utilize and press cap 22 self resilience force to drive push rod 24 and reset.
Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.
Claims (9)
1. An explosion-proof push button switch structure comprising: casing (1), install button assembly (2) on casing (1) and be located touch switch (3) in casing (1), trigger through pressing button assembly (2) and touch switch (3), its characterized in that:
the button assembly (2) comprises: the push rod type push rod mechanism comprises a fixing ring (21), a pressing cap (22), a sleeve (23) and a push rod (24), wherein the sleeve (23) is fixedly arranged on the shell (1) in a penetrating mode, and one end, located on the outer side of the shell (1), of the sleeve (23) is connected with the fixing ring (21); the pressing cap (22) is made of elastic plastic materials, and the pressing cap (22) is provided with a bending part (220); one end of the push rod (24) is connected with the pressing cap (22), and the other end of the push rod penetrates through the sleeve (23) and then extends to the position of the touch switch (3); the push rod (24) is pushed to move by pressing the pressing cap (22) to trigger the touch switch (3), and the push rod (24) is driven to reset by the self resilience force of the pressing cap (22) after the pressing force disappears.
2. An explosion proof push button switch structure as defined in claim 1, wherein: the pressing cap (22) comprises: the horn-shaped pressing cap comprises a pressing surface (221) and a side edge (222) which is integrally formed with the pressing surface (221) and is in a horn shape, wherein the edge of the side edge (222) is clamped and fixed through a fixing ring (21), and a bending part (220) which is bent inwards is formed on the side edge (222) of the pressing cap (22).
3. An explosion proof push button switch structure as defined in claim 2, wherein: an outer edge (231) is formed at one end, connected with the fixing ring (21), of the sleeve (23), the other end of the sleeve (23) is inserted into the shell (1) from outside to inside and is in threaded connection with a threaded sleeve (4), and the sleeve (23) is clamped and fixed on the shell (1) through clamping force formed by the outer edge (231) and the threaded sleeve (4).
4. An explosion proof push button switch structure according to claim 3, wherein: and a sealing piece (5) is arranged on the joint surface of the outer edge (231) and the outer wall of the shell (1).
5. An explosion proof push button switch structure according to claim 3, wherein: and a gasket (6) is arranged between the threaded sleeve (4) and the combined surface of the inner wall of the shell (1).
6. An explosion proof push button switch structure according to claim 3, wherein: the threaded sleeve (4) is a variable-diameter threaded sleeve, one end of the variable-diameter threaded sleeve is in threaded connection with the sleeve (23), and the other end of the variable-diameter threaded sleeve is in threaded connection with the touch switch (3).
7. An explosion proof push button switch structure according to claim 3, wherein: the fixing ring (21) is connected with the outer edge (231) through a clamping sleeve.
8. An explosion proof push button switch structure as defined in claim 2, wherein: one end of the fixing ring (21) extends to the inner space of the fixing ring to form a pressing block (211), the pressing block (211) is provided with a guide inclined surface (212), and the fixing ring (21) forms a horn-shaped opening through the guide inclined surface (212).
9. An explosion-proof push button switch structure according to any one of claims 1 to 8, characterized in that: a flange (241) is formed at one end of the push rod (24) close to the touch switch (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922455653.XU CN211182037U (en) | 2019-12-28 | 2019-12-28 | Explosion-proof button switch structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922455653.XU CN211182037U (en) | 2019-12-28 | 2019-12-28 | Explosion-proof button switch structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211182037U true CN211182037U (en) | 2020-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922455653.XU Active CN211182037U (en) | 2019-12-28 | 2019-12-28 | Explosion-proof button switch structure |
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| Country | Link |
|---|---|
| CN (1) | CN211182037U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114126306A (en) * | 2021-10-26 | 2022-03-01 | 深圳市紫光照明技术股份有限公司 | Explosion-proof electrical apparatus case |
-
2019
- 2019-12-28 CN CN201922455653.XU patent/CN211182037U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114126306A (en) * | 2021-10-26 | 2022-03-01 | 深圳市紫光照明技术股份有限公司 | Explosion-proof electrical apparatus case |
| CN114126306B (en) * | 2021-10-26 | 2023-10-27 | 深圳市紫光照明技术股份有限公司 | Explosion-proof electrical equipment box |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: Building 6, Zhongtang Tian'an Digital City, No. 88, Jinyuan Road, Zhongtang Town, Dongguan City, Guangdong Province, 523000 Patentee after: DONGGUAN PAN AMERICAN ELECTRONICS Co.,Ltd. Address before: 523000 No.31, wujiayong section, Beiwang Road, Zhongtang Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN PAN AMERICAN ELECTRONICS Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |