CN204732314U - A kind of explosion-proof crane explosion-proof control button - Google Patents
A kind of explosion-proof crane explosion-proof control button Download PDFInfo
- Publication number
- CN204732314U CN204732314U CN201520426580.0U CN201520426580U CN204732314U CN 204732314 U CN204732314 U CN 204732314U CN 201520426580 U CN201520426580 U CN 201520426580U CN 204732314 U CN204732314 U CN 204732314U
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- proof
- explosion
- control button
- explosive
- protective sleeve
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- Expired - Fee Related
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- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model relates to a kind of explosion-proof crane explosion-proof control button, it comprises explosion-proof manual switch, explosion-proof manual switch is provided with display screen and explosion-proof control button, the surface of explosion-proof manual switch is provided with explosive-proof jacket, the end of explosion-proof control button is provided with push-button socket, the bottom of push-button socket is provided with the protective sleeve closed up lower end, the top of protective sleeve is provided with arc quenching plate, protective sleeve external symmetry is provided with guide protrusions, contact post is provided with in protective sleeve, the end of contact post is provided with moving contact, the lower end of protective sleeve is provided with stationary contact platform, stationary contact platform upper end is provided with groove, back-moving spring is provided with outside stationary contact platform, the upper end of explosive-proof jacket is provided with outer rim boss, the inner surface of explosive-proof jacket is vertically symmetrical arranged limited location gathering sill, the bottom of explosive-proof jacket is provided with annular base, the inwall of annular base is provided with insulated enclosure circle, there is structure simple, applied widely, cost of manufacture is low, working service is convenient, security performance is high, the advantage that explosion-proof effect is good.
Description
Technical field
The utility model belongs to technical field of crane equipment, is specifically related to a kind of crane explosion proof equipment, particularly a kind of explosion-proof crane explosion-proof control button.
Background technology
Existing hoisting equipment there is a lot of electric component, in use spark can be produced, if can serious accident be caused in flammable environment that can be quick-fried, particularly very high to requirement of explosion proof in chemical enterprise, the explosion-proof crane of current use, its explosion-proof manual switch is the important ring of explosion-proof link, the most structures of existing explosion-proof manual switch complexity very, maintenance maintenance inconvenience very, in addition, explosion-proof button design very unreasonable of explosion-proof control switch, follow-up maintenance cost is caused to increase, and, the explosion-proof effect of explosion-proof button is very undesirable, cause potential safety hazard.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and provides a kind of structure simple, and applied widely, cost of manufacture is low, and working service is convenient, a kind of explosion-proof crane explosion-proof control button that security performance is high, explosion-proof effect is good.
The technical solution adopted in the utility model is achieved in that a kind of explosion-proof crane explosion-proof control button, it comprises explosion-proof manual switch, described explosion-proof manual switch is provided with display screen and explosion-proof control button, the surface of explosion-proof manual switch is provided with explosive-proof jacket, described explosion-proof control button is arranged in explosive-proof jacket, the end of explosion-proof control button is provided with push-button socket, the bottom of described push-button socket is provided with the protective sleeve closed up lower end, the top of described protective sleeve is provided with the arc quenching plate of annular, the excircle on the top of protective sleeve outer surface is symmetrically arranged with guide protrusions, the inside center of protective sleeve is provided with contact post, the end of described contact post is provided with moving contact, the lower end of protective sleeve is provided with stationary contact platform, the upper end of described stationary contact platform is provided with columniform groove, the bottom of described groove is provided with fixed contact, the excircle of stationary contact platform is arranged with back-moving spring, the upper end of explosive-proof jacket is provided with outer rim boss, the inner surface of explosive-proof jacket is vertically symmetrical arranged limited location gathering sill, the bottom of explosive-proof jacket is provided with annular base, the inwall of described annular base is provided with insulated enclosure circle.
The external diameter of described protective sleeve and the diameter compatible of explosive-proof jacket close.
The diameter of described contact post and the diameter compatible of groove close.
Described guide protrusions is identical with spacing gathering sill magnitude setting, and guide protrusions and spacing gathering sill matching size close.
Described back-moving spring maintains elastic force always.
Described insulated enclosure circle and the outer wall close contact of stationary contact platform.
The beneficial effects of the utility model: the utility model explosion-proof crane explosion-proof control button, adopt explosion-proof design concept, reach the explosion-proof control switch that explosion-proof crane is applied to explosion-proof occasion, this explosion-proof control button, have employed multiple explosive-proof protector, and structurally reach the effect of arc and arc extinguishing, the utility model is designed with explosive-proof jacket, explosive-proof jacket is set in the button installation place of explosion-proof control switch, so just can effectively completely cut off explosive substance to enter from gap, in addition, the inwall of protective jacket is provided with spacing gathering sill, matched with the guide protrusions of explosion-proof button by spacing gathering sill, the pressing of this structure convenience and explosion-proof button, improve the performance of use, the useful life of explosion-proof button can be improved simultaneously, reduce the cost of maintenance, in addition, the protective sleeve inwall of explosion-proof button is provided with arc quenching plate, and the top of stationary contact platform is provided with columniform groove, the bottom of groove is provided with fixed contact, like this when moving contact contacts with fixed contact, just can effectively limit generation spark, avoid occurring accident, in addition, stationary contact platform and explosive-proof jacket contact position are provided with insulated enclosure circle, thus further play explosion-proof effect, it is simple that the utility model has structure, applied widely, cost of manufacture is low, working service is convenient, security performance is high, the advantage that explosion-proof effect is good.
Accompanying drawing explanation
Fig. 1 is the explosion-proof manual switch structural representation of a kind of explosion-proof crane of the utility model explosion-proof control button.
Fig. 2 is the structural representation of a kind of explosion-proof crane explosion-proof control button of the utility model.
Fig. 3 is the profile of a kind of explosion-proof crane explosion-proof control button of the utility model.
In figure: 1, explosion-proof manual switch 2, display screen 3, explosion-proof control button 4, explosive-proof jacket 5, push-button socket 6, protective sleeve 7, arc quenching plate 8, guide protrusions 9, contact post 10, moving contact 11, stationary contact platform 12, groove 13, fixed contact 14, back-moving spring 15, outer rim boss 16, spacing gathering sill 17, annular base 18, insulated enclosure circle.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
Embodiment 1
As Figure 1-3, a kind of explosion-proof crane explosion-proof control button, it comprises explosion-proof manual switch 1, described explosion-proof manual switch 1 is provided with display screen 2 and explosion-proof control button 3, the surface of explosion-proof manual switch 1 is provided with explosive-proof jacket 4, described explosion-proof control button 3 is arranged in explosive-proof jacket 4, the end of explosion-proof control button 3 is provided with push-button socket 5, the bottom of described push-button socket 5 is provided with the protective sleeve 6 closed up lower end, the top of described protective sleeve 6 is provided with the arc quenching plate 7 of annular, the excircle on the top of protective sleeve 6 outer surface is symmetrically arranged with guide protrusions 8, the inside center of protective sleeve 6 is provided with contact post 9, the end of described contact post 9 is provided with moving contact 10, the lower end of protective sleeve 6 is provided with stationary contact platform 11, the upper end of described stationary contact platform 11 is provided with columniform groove 12, the bottom of described groove 12 is provided with fixed contact 13, the excircle of stationary contact platform 11 is arranged with back-moving spring 14, the upper end of explosive-proof jacket 4 is provided with outer rim boss 15, the inner surface of explosive-proof jacket 4 is vertically symmetrical arranged limited location gathering sill 16, the bottom of explosive-proof jacket 4 is provided with annular base 17, the inwall of described annular base 17 is provided with insulated enclosure circle 18.
The utility model explosion-proof crane explosion-proof control button, adopt explosion-proof design concept, reach the explosion-proof control switch that explosion-proof crane is applied to explosion-proof occasion, this explosion-proof control button, have employed multiple explosive-proof protector, and structurally reach the effect of arc and arc extinguishing, the utility model is designed with explosive-proof jacket, explosive-proof jacket is set in the button installation place of explosion-proof control switch, so just can effectively completely cut off explosive substance to enter from gap, in addition, the inwall of protective jacket is provided with spacing gathering sill, matched with the guide protrusions of explosion-proof button by spacing gathering sill, the pressing of this structure convenience and explosion-proof button, improve the performance of use, the useful life of explosion-proof button can be improved simultaneously, reduce the cost of maintenance, in addition, the protective sleeve inwall of explosion-proof button is provided with arc quenching plate, and the top of stationary contact platform is provided with columniform groove, the bottom of groove is provided with fixed contact, like this when moving contact contacts with fixed contact, just can effectively limit generation spark, avoid occurring accident, in addition, stationary contact platform and explosive-proof jacket contact position are provided with insulated enclosure circle, thus further play explosion-proof effect, it is simple that the utility model has structure, applied widely, cost of manufacture is low, working service is convenient, security performance is high, the advantage that explosion-proof effect is good.
Embodiment 2
As Figure 1-3, a kind of explosion-proof crane explosion-proof control button, it comprises explosion-proof manual switch 1, described explosion-proof manual switch 1 is provided with display screen 2 and explosion-proof control button 3, the surface of explosion-proof manual switch 1 is provided with explosive-proof jacket 4, described explosion-proof control button 3 is arranged in explosive-proof jacket 4, the end of explosion-proof control button 3 is provided with push-button socket 5, the bottom of described push-button socket 5 is provided with the protective sleeve 6 closed up lower end, the top of described protective sleeve 6 is provided with the arc quenching plate 7 of annular, the excircle on the top of protective sleeve 6 outer surface is symmetrically arranged with guide protrusions 8, the inside center of protective sleeve 6 is provided with contact post 9, the end of described contact post 9 is provided with moving contact 10, the lower end of protective sleeve 6 is provided with stationary contact platform 11, the upper end of described stationary contact platform 11 is provided with columniform groove 12, the bottom of described groove 12 is provided with fixed contact 13, the excircle of stationary contact platform 11 is arranged with back-moving spring 14, the upper end of explosive-proof jacket 4 is provided with outer rim boss 15, the inner surface of explosive-proof jacket 4 is vertically symmetrical arranged limited location gathering sill 16, the bottom of explosive-proof jacket 4 is provided with annular base 17, the inwall of described annular base 17 is provided with insulated enclosure circle 18.
The external diameter of described protective sleeve 6 and the diameter compatible of explosive-proof jacket 4 close.
The diameter of described contact post 9 and the diameter compatible of groove 12 close.
Described guide protrusions 8 is identical with spacing gathering sill 16 magnitude setting, and guide protrusions 8 and spacing gathering sill 16 matching size close.
Described back-moving spring 14 maintains elastic force always.
Described insulated enclosure circle 18 and the outer wall close contact of stationary contact platform 11.
The utility model explosion-proof crane explosion-proof control button, adopt explosion-proof design concept, reach the explosion-proof control switch that explosion-proof crane is applied to explosion-proof occasion, this explosion-proof control button, have employed multiple explosive-proof protector, and structurally reach the effect of arc and arc extinguishing, the utility model is designed with explosive-proof jacket, explosive-proof jacket is set in the button installation place of explosion-proof control switch, so just can effectively completely cut off explosive substance to enter from gap, in addition, the inwall of protective jacket is provided with spacing gathering sill, matched with the guide protrusions of explosion-proof button by spacing gathering sill, the pressing of this structure convenience and explosion-proof button, improve the performance of use, the useful life of explosion-proof button can be improved simultaneously, reduce the cost of maintenance, in addition, the protective sleeve inwall of explosion-proof button is provided with arc quenching plate, and the top of stationary contact platform is provided with columniform groove, the bottom of groove is provided with fixed contact, like this when moving contact contacts with fixed contact, just can effectively limit generation spark, avoid occurring accident, in addition, stationary contact platform and explosive-proof jacket contact position are provided with insulated enclosure circle, thus further play explosion-proof effect, it is simple that the utility model has structure, applied widely, cost of manufacture is low, working service is convenient, security performance is high, the advantage that explosion-proof effect is good.
Claims (6)
1. an explosion-proof crane explosion-proof control button, it comprises explosion-proof manual switch, it is characterized in that: described explosion-proof manual switch is provided with display screen and explosion-proof control button, the surface of explosion-proof manual switch is provided with explosive-proof jacket, described explosion-proof control button is arranged in explosive-proof jacket, the end of explosion-proof control button is provided with push-button socket, the bottom of described push-button socket is provided with the protective sleeve closed up lower end, the top of described protective sleeve is provided with the arc quenching plate of annular, the excircle on the top of protective sleeve outer surface is symmetrically arranged with guide protrusions, the inside center of protective sleeve is provided with contact post, the end of described contact post is provided with moving contact, the lower end of protective sleeve is provided with stationary contact platform, the upper end of described stationary contact platform is provided with columniform groove, the bottom of described groove is provided with fixed contact, the excircle of stationary contact platform is arranged with back-moving spring, the upper end of explosive-proof jacket is provided with outer rim boss, the inner surface of explosive-proof jacket is vertically symmetrical arranged limited location gathering sill, the bottom of explosive-proof jacket is provided with annular base, the inwall of described annular base is provided with insulated enclosure circle.
2. a kind of explosion-proof crane explosion-proof control button according to claim 1, is characterized in that: the external diameter of described protective sleeve and the diameter compatible of explosive-proof jacket close.
3. a kind of explosion-proof crane explosion-proof control button according to claim 1, is characterized in that: the diameter of described contact post and the diameter compatible of groove close.
4. a kind of explosion-proof crane explosion-proof control button according to claim 1, is characterized in that: described guide protrusions is identical with spacing gathering sill magnitude setting, and guide protrusions and spacing gathering sill matching size close.
5. a kind of explosion-proof crane explosion-proof control button according to claim 1, is characterized in that: described back-moving spring maintains elastic force always.
6. a kind of explosion-proof crane explosion-proof control button according to claim 1, is characterized in that: described insulated enclosure circle and the outer wall close contact of stationary contact platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520426580.0U CN204732314U (en) | 2015-06-19 | 2015-06-19 | A kind of explosion-proof crane explosion-proof control button |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520426580.0U CN204732314U (en) | 2015-06-19 | 2015-06-19 | A kind of explosion-proof crane explosion-proof control button |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204732314U true CN204732314U (en) | 2015-10-28 |
Family
ID=54390648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520426580.0U Expired - Fee Related CN204732314U (en) | 2015-06-19 | 2015-06-19 | A kind of explosion-proof crane explosion-proof control button |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204732314U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106985125A (en) * | 2015-11-20 | 2017-07-28 | 美克司株式会社 | Instrument |
| CN108695091A (en) * | 2017-03-30 | 2018-10-23 | 佐鸟电机株式会社 | Trigger switch |
| CN108730980A (en) * | 2018-06-22 | 2018-11-02 | 广东美的厨房电器制造有限公司 | Burner, gas-cooker and the heat insulation loop of gas-cooker |
| WO2021227400A1 (en) * | 2020-05-13 | 2021-11-18 | 中车唐山机车车辆有限公司 | Button assembly for pedal apparatus, pedal apparatus, and rail train |
-
2015
- 2015-06-19 CN CN201520426580.0U patent/CN204732314U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106985125A (en) * | 2015-11-20 | 2017-07-28 | 美克司株式会社 | Instrument |
| US11052527B2 (en) | 2015-11-20 | 2021-07-06 | Max Co., Ltd. | Tool |
| CN108695091A (en) * | 2017-03-30 | 2018-10-23 | 佐鸟电机株式会社 | Trigger switch |
| CN108695091B (en) * | 2017-03-30 | 2021-10-01 | 佐鸟电机株式会社 | Trigger switch |
| CN108730980A (en) * | 2018-06-22 | 2018-11-02 | 广东美的厨房电器制造有限公司 | Burner, gas-cooker and the heat insulation loop of gas-cooker |
| WO2021227400A1 (en) * | 2020-05-13 | 2021-11-18 | 中车唐山机车车辆有限公司 | Button assembly for pedal apparatus, pedal apparatus, and rail train |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151028 Termination date: 20160619 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |