CN207199492U - A kind of anti-blast light switch - Google Patents
A kind of anti-blast light switch Download PDFInfo
- Publication number
- CN207199492U CN207199492U CN201720969403.6U CN201720969403U CN207199492U CN 207199492 U CN207199492 U CN 207199492U CN 201720969403 U CN201720969403 U CN 201720969403U CN 207199492 U CN207199492 U CN 207199492U
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- housing
- switch
- upper lid
- hole
- switch element
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Abstract
The utility model discloses a kind of anti-blast light switch, including upper lid and housing, the top of the upper lid is provided with turn-knob switch, and the edge of upper lid corresponds to housing using threaded connection, and forms closed inner chamber between upper lid and housing；The interior intracavitary is provided with switch element, and the corresponding both ends of the housing are provided with the through hole through inner chamber, and the switch element is located in the middle part of through hole, and the both ends of housing are equipped with the pressing lever for stretching into through hole and being connected with switch element.Housing compact of the present utility model is reasonable, material density and intensity are high, so that the favorable sealing property entirely switched, explosion-proof performance are excellent, explosive gas and combustible dust are not easily accessible the inner chamber of housing, dustproof and waterproof performance is reliable, and surface molding powder adhesive force is strong, there is good antiseptic power；The contact of switch is sensitive, will not influence its sensitivity because usage time is long.
Description
Technical field
It the utility model is related to technical field of electric equipment, and in particular to a kind of anti-blast light switch.
Background technology
In coal mining work, due to the particularity of its working environment, all electrical equipments are required in regular tap
On the basis of add explosion-proof shell, to reduce the probability of happening of accident.
The switch of usually used control electrical equipment is that BZA-5/36-2 types switch, the switch opening inside explosion-proof shell
Close and be mainly made up of the component such as spring and other buttons, by switch of the operation setting inside explosion-proof shell come reality during use
Now control the function of corresponding electrical equipment.
But due to the spring manufacturing process problem of BZA-5/36-2 types switch, as the increase of usage time, spring are easy
Fatigue, cause contacts bad so that the malfunctioning switch, and then cause the controlled equipment of switch also out of hand.
And existing anti-blast light switch sealing property is bad so that after a long time use, explosive gas and flammable
Property dust easily enter housing inner chamber, cause switch element to produce spark in the course of the work and explode, it is impossible to ensure switch
The security used.
Utility model content
Based on this, in view of the above-mentioned problems, be necessary to propose a kind of anti-blast light switch, its housing it is compact-sized rationally,
Material density and intensity are high so that the favorable sealing property that entirely switchs, explosion-proof performance are excellent, explosive gas and flammable powder
Dirt is not easily accessible the inner chamber of housing, and dustproof and waterproof performance is reliable, and surface molding powder adhesive force is strong, has good antiseptic power；
The contact of switch is sensitive, will not influence its sensitivity because usage time is long.
The technical solution of the utility model is as follows：
A kind of anti-blast light switch, including upper lid and housing, the top of the upper lid are provided with turn-knob switch, the edge of upper lid
Corresponding to housing using threaded connection, and closed inner chamber is formed between upper lid and housing；The interior intracavitary is provided with switch member
Part, the corresponding both ends of the housing are provided with the through hole through inner chamber, and the switch element is located in the middle part of through hole, the both ends of housing
It is equipped with the pressing lever for stretching into through hole and being connected with switch element.
The utility model good sealing effect, explosive gas and combustible dust are not easily accessible the inner chamber of housing, improve
The explosion-proof capabilities of the anti-blast light switch, and realize by pressing lever and rotary switch the closure of switch so that the spirit of switch
Sensitivity is higher, will not influence its sensitivity because usage time is long, both realize the accurate control to respective electric equipment, prolonged again
The service life of the anti-blast light switch is grown.
As the further optimization of such scheme, the housing uses high-strength aluminum alloy one-step die casting.Housing is adopted
With the disposable die cast of high-strength aluminum alloy, laggard horizontal high voltage electrostatic plastic spraying is cleared up in surface through high-speed shot-blast so that housing knot
Structure compact and reasonable, material density and intensity are high, explosion-proof performance is excellent, and dustproof and waterproof performance is reliable, and surface molding powder adhesive force is strong, tool
There is good antiseptic power.
As the further optimization of such scheme, edge and the housing touching position of the upper lid are provided with a circle sealing ring.
The sealing effectiveness of the anti-blast light switch is improved and improved, prevents explosive gas and combustible dust from passing through upper lid and housing
Between gap enter in inner chamber and set off an explosion, greatly reduce the probability that explodes during switch use, improve anti-
Quick-fried performance.
As the further optimization of such scheme, the pressing lever is in cylinder, and the external diameter of pressing lever is less than through hole
Internal diameter.Facilitate the pressing lever to be reciprocatingly slided in through hole and switched on and off to realize with switch element.
As the further optimization of such scheme, linear bearing is provided between the through hole and pressing lever.The linear bearing
Both the gap being filled between through hole and pressing lever had been filled out, has played sealing function, has prevented explosive gas and combustible dust from entering；
The slip that pressing lever can be without hindrance in through hole is realized again.
As the further optimization of such scheme, one end that the pressing lever is in contact with switch element is provided with buffering
Pad.Play a part of buffering and protection switch element, avoid causing switch element to damage under the long-term shock of pressing lever.
As the further optimization of such scheme, the switch element is explosion-proof switch element.Using explosion-proof switch member
Part, prevent gas and dust from entering, there is good explosion prevention function, in the case of the sealing of housing is preferable, further carry
High explosion-proof effect.
As the further optimization of such scheme, the switch element is HZ10-10A stacked switches.Using HZ10-
10A stacked switches, it is primarily adapted for use in exchange 50Hz-60Hz, voltage 380V and following, DC voltage 220V and following circuit
In, low capacity motor switch is can control, there is good air-tightness, can dustproof anti-splash.
The beneficial effects of the utility model are：
1st, housing of the present utility model uses the disposable die cast of high-strength aluminum alloy, and surface is after high-speed shot-blast is cleared up
High-pressure electrostatic plastic-spraying is carried out, its is compact-sized rationally, material density and intensity are high so that the favorable sealing property that entirely switchs,
Explosion-proof performance is excellent, and explosive gas and combustible dust are not easily accessible the inner chamber of housing, and dustproof and waterproof performance is reliable, and surface
Molding powder adhesive force is strong, has good antiseptic power.
2nd, the utility model realizes the closure of switch by pressing lever and rotary switch so that the sensitivity of switch is more
Height, its sensitivity will not be influenceed because usage time is long, both realize the accurate control to respective electric equipment, extended this again
The service life of anti-blast light switch.
3rd, be provided with linear bearing between the through hole and pressing lever, the linear bearing both filled out be filled with through hole and pressing lever it
Between gap, play sealing function, prevent explosive gas and combustible dust from entering；Realizing pressing lever again can be in through hole
Without hindrance slip.
4th, one end that pressing lever is in contact with switch element is provided with buffering spacer, plays buffering and protection switch element
Effect, avoids causing switch element to damage under the long-term shock of pressing lever.
Brief description of the drawings
Fig. 1 is the internal structure schematic diagram of anti-blast light switch described in the utility model embodiment；
Fig. 2 is the top view of anti-blast light switch described in the utility model embodiment.
Description of reference numerals：
Covered on 10-；101- turn-knob switchs；102- sealing rings；20- housings；201- through holes；202- pressing levers；203- is buffered
Pad；30- switch elements.
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings.
Embodiment
As depicted in figs. 1 and 2, a kind of anti-blast light switch, including upper lid 10 and housing 20, the top of the upper lid 10 are set
There is turn-knob switch 101, the edge of upper lid 10 corresponds to housing 20 using threaded connection, and is formed between upper lid 10 and housing 20
Closed inner chamber；The interior intracavitary is provided with switch element 30, and the corresponding both ends of the housing 20 are provided with the through hole through inner chamber
201, the switch element 30 is located at the middle part of through hole 201, the both ends of housing 20 be equipped with stretch into through hole 201 and with switch element 30
The pressing lever 202 of connection.
The utility model good sealing effect, explosive gas and combustible dust are not easily accessible the inner chamber of housing 20, improve
The explosion-proof capabilities of the anti-blast light switch, and the closure of switch is realized by pressing lever 202 and rotary switch 101 so that
The sensitivity of switch is higher, will not influence its sensitivity because usage time is long, both realize to the accurate of respective electric equipment
Control, the service life of the anti-blast light switch is extended again.
In one of the embodiments, the housing 20 uses high-strength aluminum alloy one-step die casting.Housing 20 uses
Laggard horizontal high voltage electrostatic plastic spraying is cleared up in the disposable die cast of high-strength aluminum alloy, surface through high-speed shot-blast so that the knot of housing 20
Structure compact and reasonable, material density and intensity are high, explosion-proof performance is excellent, and dustproof and waterproof performance is reliable, and surface molding powder adhesive force is strong, tool
There is good antiseptic power.
In another embodiment, the edge of the upper lid 10 is provided with a circle sealing ring 102 with the touching position of housing 20.It is complete
Sealing effectiveness that is kind and improving the anti-blast light switch, prevents explosive gas and combustible dust from passing through upper lid 10 and housing
Gap between 20, which enters in inner chamber, to set off an explosion, and greatly reduces the probability to be exploded during switch use, improves
Explosion-proof performance.
In another embodiment, the pressing lever 202 is in cylinder, and the external diameter of pressing lever 202 is less than through hole 201
Internal diameter.Facilitate the pressing lever 202 to be reciprocatingly slided in through hole 201 and switched on and off to realize with switch element 30.
In another embodiment, it is provided with linear bearing between the through hole 201 and pressing lever 202.The linear bearing was both
The gap being filled between through hole 201 and pressing lever 202 is filled out, plays sealing function, prevents explosive gas and combustible dust
Into；The slip that pressing lever 202 can be without hindrance in through hole 201 is realized again.
In another embodiment, one end that the pressing lever 202 is in contact with switch element 30 is provided with buffering spacer
203.Play a part of buffering and protection switch element 30, avoid causing switch element 30 under the long-term shock of pressing lever 202
Damage.
In another embodiment, the switch element 30 is explosion-proof switch element.Using explosion-proof switch element, gas is prevented
Body and dust enter, and have good explosion prevention function, in the case of the sealing of housing 20 is preferable, further increase explosion-proof
Effect.
In another embodiment, the switch element 30 is HZ10-10A stacked switches.Opened using HZ10-10A combinations
Close, it is primarily adapted for use in exchange 50Hz-60Hz, voltage 380V and following, DC voltage 220V and following circuit, can control
Low capacity motor switch, there is good air-tightness, can dustproof anti-splash.
Embodiment described above only expresses specific embodiment of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to the utility model patent scope.It should be pointed out that for the common of this area
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.
Claims (8)
- A kind of 1. anti-blast light switch, it is characterised in that including upper lid and housing, the top of the upper lid is provided with turn-knob switch, The edge of upper lid corresponds to housing using threaded connection, and forms closed inner chamber between upper lid and housing；The interior intracavitary Provided with switch element, the corresponding both ends of the housing are provided with the through hole through inner chamber, and the switch element is located in the middle part of through hole, The both ends of housing are equipped with the pressing lever for stretching into through hole and being connected with switch element.
- 2. anti-blast light switch according to claim 1, it is characterised in that the housing uses high-strength aluminum alloy once Die cast.
- 3. anti-blast light switch according to claim 1, it is characterised in that the edge of the upper lid and housing touching position Provided with a circle sealing ring.
- 4. anti-blast light switch according to claim 1, it is characterised in that the pressing lever is in cylinder, and pressing lever External diameter be less than through hole internal diameter.
- 5. the anti-blast light switch according to claim 1 or 4, it is characterised in that be provided between the through hole and pressing lever Linear bearing.
- 6. anti-blast light switch according to claim 1, it is characterised in that what the pressing lever was in contact with switch element One end is provided with buffering spacer.
- 7. the anti-blast light switch according to claim 1 or 6, it is characterised in that the switch element is explosion-proof switch member Part.
- 8. the anti-blast light switch according to claim 1 or 6, it is characterised in that the switch element is HZ10-10A groups Combination switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720969403.6U CN207199492U (en) | 2017-08-04 | 2017-08-04 | A kind of anti-blast light switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720969403.6U CN207199492U (en) | 2017-08-04 | 2017-08-04 | A kind of anti-blast light switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207199492U true CN207199492U (en) | 2018-04-06 |
Family
ID=61796067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720969403.6U Active CN207199492U (en) | 2017-08-04 | 2017-08-04 | A kind of anti-blast light switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207199492U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110933823A (en) * | 2019-09-25 | 2020-03-27 | 武汉圣达电气股份有限公司 | Explosion-proof double-identification inductive switch |
-
2017
- 2017-08-04 CN CN201720969403.6U patent/CN207199492U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110933823A (en) * | 2019-09-25 | 2020-03-27 | 武汉圣达电气股份有限公司 | Explosion-proof double-identification inductive switch |
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