CN203895307U - Explosion-proof microswitch - Google Patents
Explosion-proof microswitch Download PDFInfo
- Publication number
- CN203895307U CN203895307U CN201420196493.6U CN201420196493U CN203895307U CN 203895307 U CN203895307 U CN 203895307U CN 201420196493 U CN201420196493 U CN 201420196493U CN 203895307 U CN203895307 U CN 203895307U
- Authority
- CN
- China
- Prior art keywords
- explosion
- push rod
- proof
- sensitive switch
- closed type
- Prior art date
- 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.)
- Expired - Lifetime
Links
- 238000004880 explosion Methods 0.000 claims abstract description 46
- 238000007789 sealing Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000428 dust Substances 0.000 abstract description 5
- 230000004308 accommodation Effects 0.000 abstract 2
- 239000002360 explosive Substances 0.000 abstract 2
- 238000010276 construction Methods 0.000 abstract 1
- 231100000817 safety factor Toxicity 0.000 abstract 1
- 230000001629 suppression Effects 0.000 abstract 1
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Abstract
The utility model aims to provide an explosion-proof microswitch. The explosion-proof microswitch comprises a closed type explosion-proof housing. The closed type explosion-proof housing is provided with an accommodation cavity. The accommodation cavity is internally provided with a contact switch and a trigger device used for pressing the explosion-proof microswitch. The trigger device comprises a push rod, an ejection rod and a spring. The push rod passes through the closed type explosion-proof housing. Explosion suppression surfaces are arranged among the push rod, the explosion-proof housing and the microswitch. With the explosion-proof microswitch, safety control under a condition with a risk of explosion danger can be carried out well, a disadvantage that an explosion-proof microswitch may easily cause explosion in an environment with explosive gas or dust is tackled, potential safety hazards are reduced, the safety factors of an explosion-proof product and construction operation under explosive environments are improved.
Description
Technical field
The utility model relates to a kind of explosion-proof sensitive switch, relates to specifically a kind of sealing flame-proof type explosion-proof sensitive switch.
Background technology
Explosion-proof sensitive switch is the action button that a kind of anti-explosion product is used, be mainly used to be installed on anti-explosion product, the structure of common explosion-proof sensitive switch is all a plastic casing, during work, external force triggers the hard contact of sensitive switch by a push rod, sensitive switch is connected and disjunction, thereby sent a make-and-break signal.The utility application that for example application number is 200810046700.9, be similar to this explosion-proof sensitive switch and can produce electric spark in the moment of contacting and disjunction, due to plastic casing blow-by, explosion suppresion surface is not set between plastic casing and push rod yet, if therefore the external world is a damp or dust atmosphere, just easily set off an explosion.General sensitive switch does not all possess explosion-proof ability, therefore at these special occasions, just can not use.
Utility model content
In view of this, the utility model provides a kind of explosion-proof sensitive switch, can be better under the condition of explosion hazard, carry out safety operation control existing, the drawback of having avoided explosion-proof sensitive switch easily to set off an explosion in damp or dust atmosphere, reduced potential safety hazard, the coefficient of safety that has improved anti-explosion product and carry out constructing operation in there is explosion environment.
To achieve these goals, the technical solution of the utility model is as follows:
A kind of explosion-proof sensitive switch, comprise closed type explosion-resistant enclosure, described closed type explosion-resistant enclosure is provided with containing cavity, in this containing cavity, be equiped with sensitive switch and for pressing the trigger equipment of described explosion-proof sensitive switch, described trigger equipment comprises push rod, push rod and spring, push rod is arranged in described closed type explosion-resistant enclosure, between push rod, described explosion-resistant enclosure and described switch contacts, is provided with explosion suppresion surface; Described pressure mounting of the spring is between described push rod lower end and described push rod upper end, described push rod lower end and described switch contacts butt, the both sides of described closed type explosion-resistant enclosure outside containing cavity are also provided with heart yearn hole, by described heart yearn hole, be provided with heart yearn, each heart yearn is all connected with one end of a conducting strip, and the other end of described conducting strip penetrates in described containing cavity and is electrically connected to described switch contacts; Above-mentioned explosion-proof sensitive switch outer setting has action bars, and described action bars is connected with described explosion-proof sensitive switch body by action bars alignment pin.
As preferably, on above-mentioned explosion-resistant enclosure, be also provided with and water sealing, described in water sealing and described containing cavity between by described explosion suppresion surface, isolate.
As preferably, on the lower surface of described push rod, offer the cavity inserting for described push rod upper end, described spring is installed in described cavity, the two ends of described spring respectively with bottom surface and the push rod butt of described cavity.
Compared with prior art, the utility model has following beneficial effect:
Can be better under the condition of explosion hazard, carry out safety operation control existing, the drawback of having avoided explosion-proof sensitive switch easily to set off an explosion in damp or dust atmosphere, reduced potential safety hazard, the coefficient of safety that has improved anti-explosion product and carry out constructing operation in there is explosion environment.
Accompanying drawing explanation
Fig. 1 is the structural representation of explosion-proof sensitive switch of the present utility model;
Fig. 2 is explosion-proof sensitive switch total arrangement schematic diagram of the present utility model.
On figure, Reference numeral is: 1-closed type explosion-resistant enclosure; 2-containing cavity; 3-push rod; 4-switch contacts; 5-heart yearn, 6-action bars; 7-action bars alignment pin.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with specific embodiment, further set forth the utility model.
Embodiment
In view of this, the utility model provides a kind of explosion-proof sensitive switch, can be better under the condition of explosion hazard, carry out safety operation control existing, the drawback of having avoided explosion-proof sensitive switch easily to set off an explosion in damp or dust atmosphere, reduced potential safety hazard, the coefficient of safety that has improved anti-explosion product and carry out constructing operation in there is explosion environment.
To achieve these goals, the technical solution of the utility model is as follows:
A kind of explosion-proof sensitive switch, comprise closed type explosion-resistant enclosure 1, described closed type explosion-resistant enclosure 1 is provided with containing cavity 2, in this containing cavity 2, be equiped with sensitive switch 4 and for pressing the trigger equipment of described explosion-proof sensitive switch, described trigger equipment comprises push rod 3, push rod and spring, push rod 3 is arranged in described closed type explosion-resistant enclosure, between push rod 3, described explosion-resistant enclosure and described switch contacts, is provided with explosion suppresion surface; Described pressure mounting of the spring is between described push rod 3 lower ends and described push rod upper end, described push rod lower end and described switch contacts butt, the both sides of described closed type explosion-resistant enclosure outside containing cavity are also provided with heart yearn hole, by described heart yearn hole, be provided with heart yearn 5, each heart yearn 5 is all connected with one end of a conducting strip, and the other end of described conducting strip penetrates in described containing cavity and is electrically connected to described switch contacts; Above-mentioned explosion-proof sensitive switch outer setting has action bars 6, and described action bars is connected with described explosion-proof sensitive switch body by action bars alignment pin 7.
As preferably, on above-mentioned explosion-resistant enclosure, be also provided with and water sealing, described in water sealing and described containing cavity between by described explosion suppresion surface, isolate.
As preferably, on the lower surface of described push rod, offer the cavity inserting for described push rod upper end, described spring is installed in described cavity, the two ends of described spring respectively with bottom surface and the push rod butt of described cavity.
During use; thereby stir the Push And Release of action bars control switch; resin-sealed explosion-proof by fire retardant insulating between the output input port of the binding site of the switch of explosion-proof sensitive switch and electric wire and explosion-protection equipment; between the housing of explosion-proof sensitive switch, push rod and switch contact, be provided with explosion suppresion surface explosion-proof; between push rod and housing, be provided with diaphragm heads, can protect explosion suppresion surface.
Below be only preferred implementation of the present utility model, it should be pointed out that above-mentioned preferred implementation should not be considered as restriction of the present utility model, protection range of the present utility model should be as the criterion with claim limited range.For those skilled in the art, within not departing from spirit and scope of the present utility model, can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.。
Claims (3)
1. an explosion-proof sensitive switch, it is characterized in that, comprise closed type explosion-resistant enclosure, described closed type explosion-resistant enclosure is provided with containing cavity, in described containing cavity, be equiped with sensitive switch and for pressing the trigger equipment of described explosion-proof sensitive switch, described trigger equipment comprises push rod, push rod and spring, and described push rod is arranged in described closed type explosion-resistant enclosure, between described push rod, described explosion-resistant enclosure and described switch contacts, is provided with explosion suppresion surface;
Described pressure mounting of the spring is between described push rod lower end and described push rod upper end, described push rod lower end and described switch contacts butt, the both sides of described closed type explosion-resistant enclosure outside containing cavity are also provided with heart yearn hole, by described heart yearn hole, be provided with heart yearn, each heart yearn is all connected with one end of a conducting strip, and the other end of described conducting strip penetrates in described containing cavity and is electrically connected to described switch contacts;
Described explosion-proof sensitive switch outer setting has action bars, and described action bars is connected with described explosion-proof sensitive switch body by action bars alignment pin.
2. according to a kind of explosion-proof sensitive switch described in claim 1, it is characterized in that: on described explosion-resistant enclosure, be also provided with and water sealing, described in water sealing and described containing cavity between by described explosion suppresion surface, isolate.
3. according to a kind of explosion-proof sensitive switch described in claim 1, it is characterized in that: on the lower surface of described push rod, offer the cavity inserting for described push rod upper end, described spring is installed in described cavity, the two ends of described spring respectively with bottom surface and the push rod butt of described cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420196493.6U CN203895307U (en) | 2014-04-22 | 2014-04-22 | Explosion-proof microswitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420196493.6U CN203895307U (en) | 2014-04-22 | 2014-04-22 | Explosion-proof microswitch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203895307U true CN203895307U (en) | 2014-10-22 |
Family
ID=51721677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420196493.6U Expired - Lifetime CN203895307U (en) | 2014-04-22 | 2014-04-22 | Explosion-proof microswitch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203895307U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110120311A (en) * | 2018-02-07 | 2019-08-13 | 上海哲宏机器人自动化有限公司 | A kind of waterproof switch |
| CN111315160A (en) * | 2020-03-23 | 2020-06-19 | 博太科防爆设备（上海）有限公司 | Stainless steel explosion-proof box for extreme environment and production process method thereof |
| CN113421783A (en) * | 2021-08-23 | 2021-09-21 | 江西国泰集团股份有限公司 | Explosion guide switch |
-
2014
- 2014-04-22 CN CN201420196493.6U patent/CN203895307U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110120311A (en) * | 2018-02-07 | 2019-08-13 | 上海哲宏机器人自动化有限公司 | A kind of waterproof switch |
| CN111315160A (en) * | 2020-03-23 | 2020-06-19 | 博太科防爆设备（上海）有限公司 | Stainless steel explosion-proof box for extreme environment and production process method thereof |
| CN113421783A (en) * | 2021-08-23 | 2021-09-21 | 江西国泰集团股份有限公司 | Explosion guide switch |
| CN113421783B (en) * | 2021-08-23 | 2021-11-30 | 江西国泰七零九科技有限公司 | Explosion guide switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |