CN220358016U - Explosion-proof knob switch - Google Patents
Explosion-proof knob switch Download PDFInfo
- Publication number
- CN220358016U CN220358016U CN202321715203.XU CN202321715203U CN220358016U CN 220358016 U CN220358016 U CN 220358016U CN 202321715203 U CN202321715203 U CN 202321715203U CN 220358016 U CN220358016 U CN 220358016U
- Authority
- CN
- China
- Prior art keywords
- knob
- explosion
- proof
- switch
- proof knob
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 244000309464 bull Species 0.000 description 4
- 241000227287 Elliottia pyroliflora Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The utility model discloses an explosion-proof knob switch which comprises an explosion-proof knob shell, a knob, a switch fixing seat and a micro switch, wherein the knob is arranged in the explosion-proof knob shell and can move inside and outside, the knob cannot be rotated when being positioned at one end outside the explosion-proof knob shell, the knob can be rotated when being positioned at the other end inside the explosion-proof knob shell, the micro switch is fixed at the inner side of the switch fixing seat, and one end, close to the switch fixing seat, of the knob is provided with a cam contacted with the micro switch. Compared with the prior art, the utility model has the advantages that: the explosion-proof knob switch provided by the application improves the safety performance and the flexibility through innovative structural design and various control state combinations, and provides a high-efficiency and reliable choice for control application in the industrial field.
Description
Technical Field
The utility model relates to the technical field of knob switches, in particular to an explosion-proof knob switch.
Background
In industrial scenes such as mines, there is a need to control a circuit, and equipment having explosion-proof performance is required due to the specificity of the working environment. Knob switches are a common circuit control element, but existing knob switches have some technical drawbacks in terms of explosion-proof performance, safety and flexibility. Therefore, it is necessary to provide an explosion-proof knob switch with explosion-proof performance, safety, reliability, flexibility and diversity so as to meet the requirement of circuit control in industrial environment.
Disclosure of Invention
The utility model aims to overcome the technical defects and provide the explosion-proof knob switch.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides an explosion-proof knob switch, includes explosion-proof knob casing, knob, switch fixing base and micro-gap switch, the knob is installed inside the explosion-proof knob casing and can inside and outside remove, just can not be rotated when the knob is located the outside one end of explosion-proof knob casing just can be rotated when the knob is located the inside other one end of explosion-proof knob casing, micro-gap switch fixes in the switch fixing base inboard, the one end that the knob is close to the switch fixing base is equipped with the cam that contacts with micro-gap switch.
As an improvement, the one end of explosion-proof knob casing is equipped with the installing port, the middle part of installing port is equipped with the through-hole, the knob includes rotary part and bull stick portion, rotary part sets up in the installing port, be equipped with spring mounting groove and be connected with return spring between rotary part and the spring mounting groove in the installing port, the lower extreme of explosion-proof knob casing is equipped with the constant head tank, the both ends of constant head tank are equipped with first constant head tank and second constant head tank respectively, the side that bull stick portion is close to cam one end is equipped with the jackscrew with first constant head tank and second constant head tank locking complex.
As an improvement, the middle part of the cam is fixed with the end part of the rotating rod part through a screw.
As an improvement, a copper sleeve is arranged in the through hole, and the rotating rod part is sleeved inside the copper sleeve.
Compared with the prior art, the utility model has the advantages that:
1. structural design innovation: the explosion-proof knob switch of the application adopts the components such as an explosion-proof knob shell, a knob, a switch fixing seat, a micro switch and the like, and has compact structure and high efficiency. Particularly, the design of the inner and outer movement of the knob and the contact with the cam of the micro switch enable the switch to have a more flexible and reliable control mode.
2. The safety performance is improved: in this embodiment, the explosion-proof knob housing has designs of a mounting port, a spring mounting groove, a positioning port, and the like. These designs ensure that the knob cannot be turned in a particular position, thereby avoiding mishandling and accidents. In addition, cooperation such as jackscrew, constant head tank and copper sheathing has been adopted, has increased the steadiness and the precision of knob.
3. A plurality of control state combinations: through the combination of switch fixing base, cam and micro-gap switch, this application can realize the combination of multiple control state. The state of the micro switch can be flexibly switched by pressing the knob and rotating the knob, so that the on-off switching of a circuit and the application of various control modes are realized.
4. Scalability and flexibility: the switch fixing seat is designed to be capable of installing 1 to 3 switches, and the matching of the cam and the micro switch can be adjusted and combined according to the requirement. The flexibility enables the explosion-proof knob switch to be suitable for various control scenes and meets different application requirements.
5. The explosion-proof surface is formed by the copper bush and the rotating rod part, so that the explosion-proof requirement is met.
In a word, the explosion-proof knob switch provided by the application improves safety and flexibility through innovative structural design and various control state combinations, and provides a high-efficiency and reliable choice for control switch application in the industrial field.
Drawings
Fig. 1 is a schematic structural view of an explosion-proof knob switch of the present utility model.
Fig. 2 is a schematic structural view of an explosion-proof knob switch according to the present utility model.
Fig. 3 is a schematic diagram of the external structure of an explosion-proof knob housing in the explosion-proof knob switch according to the present utility model.
Fig. 4 is a schematic cross-sectional view of an explosion-proof knob housing in an explosion-proof knob switch according to the present utility model.
As shown in the figure: 1. explosion-proof knob casing, 2, knob, 3, switch fixing base, 4, micro-gap switch, 5, cam, 6, mounting port, 7, spring mounting groove, 8, return spring, 9, locating port, 10, first locating groove, 11, second locating groove, 12, jackscrew, 13, copper sheathing.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
Specific embodiments of the present utility model will be further described below with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals.
It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
In order to make the contents of the present utility model more clearly understood, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Referring to fig. 1-4, an explosion-proof knob switch comprises an explosion-proof knob shell 1, a knob 2, a switch fixing seat 3 and a micro switch 4, wherein the knob 2 is installed inside the explosion-proof knob shell 1 and can move inside and outside, the knob 2 cannot be rotated when being positioned at one end outside the explosion-proof knob shell 1, the knob 2 can be rotated when being positioned at one end inside the explosion-proof knob shell 1, the micro switch 4 is fixed at the inner side of the switch fixing seat 3, one end, close to the switch fixing seat 3, of the knob 2 is provided with a cam 5 in contact with the micro switch 4, and when the knob 2 rotates to a specific position, the cam 5 can change the state of the micro switch 4, so that the on-off switching of a circuit is realized.
In this embodiment, the one end of explosion-proof knob casing 1 is equipped with mounting hole 6, the middle part of mounting hole 6 is equipped with the through-hole, knob 2 includes rotary part 201 and bull stick portion 202, rotary part 201 sets up in mounting hole 6, be equipped with spring mounting groove 7 in mounting hole 6 and be connected with return spring 8 between rotary part 201 and the spring mounting groove 7, the lower extreme of explosion-proof knob casing 1 is equipped with constant head tank 9, the both ends of constant head tank 9 are equipped with first constant head tank 10 and second constant head tank 11 respectively, the side that bull stick portion 202 is close to cam 5 one end is equipped with the jackscrew 12 with first constant head tank 10 and second constant head tank 11 locking complex, when the operation knob is needed, press rotary part 201 at first, jackscrew 12 breaks away from first constant head tank 10, at this moment rotate rotary part 201, jackscrew 12 moves to second constant head tank 11 department along curved constant head tank 9 direction, loosen rotary part 201, under return spring 8's elasticity effect, jackscrew 12 enters into second constant head tank 11 and fixes a position once more.
In this embodiment, the middle portion of the cam 5 is fixed to the end portion of the rotating lever portion 202 by a screw.
In this embodiment, the copper sleeve 13 is disposed in the through hole, the rotating rod portion 202 is sleeved inside the copper sleeve 13, and the copper sleeve 13 and the rotating rod portion 202 form an explosion-proof surface, so as to meet the explosion-proof requirement.
In the implementation of the utility model, when the switch needs to be operated, the knob 2 is firstly pressed downwards by hand, so that the jackscrew 12 can move out of the first positioning groove 10; then, the knob 2 is turned (the knob 2 is not directly turned by pressing down), when the knob 2 is turned to the position of the second positioning groove 11, the knob 2 is loosened, the jackscrew 12 moves into the second positioning groove 11, and the knob 2 is not turned; at this moment, the position of the corresponding cam notch of the micro switch 4 changes, and the state of the micro switch 4 also changes, so that the on-off switching of a circuit is completed. The explosion-proof knob shell 1 and the explosion-proof shell can be connected in a threaded mode or a welded mode.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (4)
1. The utility model provides an explosion-proof knob switch, its characterized in that, including explosion-proof knob casing (1), knob (2), switch fixing base (3) and micro-gap switch (4), inside and can inside and outside removal at explosion-proof knob casing (1) are installed to knob (2), just knob (2) can not be rotated when being located the outside one end of explosion-proof knob casing (1) just knob (2) can be rotated when being located the inside one end of explosion-proof knob casing (1), micro-gap switch (4) are fixed in switch fixing base (3) inboard, the one end that knob (2) is close to switch fixing base (3) is equipped with cam (5) that contact with micro-gap switch (4).
2. The explosion-proof knob switch according to claim 1, wherein one end of the explosion-proof knob shell (1) is provided with a mounting port (6), the middle part of the mounting port (6) is provided with a through hole, the knob (2) comprises a rotating part (201) and a rotating rod part (202), the rotating part (201) is arranged in the mounting port (6), a spring mounting groove (7) is arranged in the mounting port (6), a return spring (8) is connected between the rotating part (201) and the spring mounting groove (7), the lower end of the explosion-proof knob shell (1) is provided with a positioning port (9), two ends of the positioning port (9) are respectively provided with a first positioning groove (10) and a second positioning groove (11), and a side surface, close to one end of the cam (5), of the rotating rod part (202) is provided with a jackscrew (12) in locking fit with the first positioning groove (10) and the second positioning groove (11).
3. The explosion-proof knob switch according to claim 2, wherein the middle part of the cam (5) is fixed to the end part of the rotating rod part (202) by a screw.
4. The explosion-proof knob switch according to claim 2, wherein a copper sleeve (13) is arranged in the through hole, and the rotating rod part (202) is sleeved inside the copper sleeve (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321715203.XU CN220358016U (en) | 2023-07-03 | 2023-07-03 | Explosion-proof knob switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321715203.XU CN220358016U (en) | 2023-07-03 | 2023-07-03 | Explosion-proof knob switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220358016U true CN220358016U (en) | 2024-01-16 |
Family
ID=89477313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321715203.XU Active CN220358016U (en) | 2023-07-03 | 2023-07-03 | Explosion-proof knob switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220358016U (en) |
-
2023
- 2023-07-03 CN CN202321715203.XU patent/CN220358016U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |