CN202633091U - Explosion-proof switch - Google Patents
Explosion-proof switch Download PDFInfo
- Publication number
- CN202633091U CN202633091U CN 201220331582 CN201220331582U CN202633091U CN 202633091 U CN202633091 U CN 202633091U CN 201220331582 CN201220331582 CN 201220331582 CN 201220331582 U CN201220331582 U CN 201220331582U CN 202633091 U CN202633091 U CN 202633091U
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- CN
- China
- Prior art keywords
- jacket
- button
- briquetting
- push rod
- sensitive switch
- 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
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Abstract
The utility model discloses an explosion-proof switch, which comprises a microswitch, wherein the microswitch comprises a shell and a pushing rod. The explosion-proof switch is characterized in that a shell hood is sheathed outside the microswitch shell; a passage is formed on the part of the shell hood corresponding to the pushing rod; a button matching the explosion-separating connection surface of the inner wall of the passage and moving along the inner wall of the passage is arranged in the passage; and the button can touch and press the pushing rod to open or close the microswitch. The explosion-proof switch has the advantages of explosion-separating function, novel design and simple and reasonable structure.
Description
Technical field
The utility model relates to a kind of appliance switch, especially a kind of flame-proof switch.
Background technology
Sensitive switch is widely used in electronic equipment, instrument and meter, mine, electric power system, household electrical appliance, electric equipment, and field such as space flight, aviation, naval vessel, guided missile, tank.Usually above-mentioned these are arranged on to be in need install when using in the explosive gas atmosphere and have explosion-proof function switch and control its use, cause large-area blast easily otherwise damp runs into spark, cause serious security incident.
Existing sensitive switch includes plastic casing, is provided with push rod in the shell, and when external force effect push rod, the micro metal contact in the push rod promotion shell contacts with normally opened contact or normally-closed contact sensitive switch is switched on or switched off.The moment that the micro metal contact contacts with normally opened contact or normally-closed contact can produce electric spark; And since the exposure of normally opened contact and normally-closed contact in the enclosure; And the shell blow-by; If exist damp in the surrounding environment this moment, damp touches electric spark in the enclosure and just causes the sensitive switch blast easily.
The utility model content
In order to overcome the deficiency of prior art, the utility model provides a kind of modern design, simple and reasonable, flame-proof switch with flame proof function.
To achieve these goals; The technical scheme that the utility model adopts is: a kind of flame-proof switch; Comprise sensitive switch, sensitive switch comprises shell and push rod, it is characterized in that: said sensitive switch enclosure is arranged with jacket; Jacket and said push rod corresponding position are provided with the driving member that can press push rod, cooperate for flameproof joint between said driving member and the jacket.Through sheathed jacket in the sensitive switch outside; Make between driving member and the jacket and be designed to flameproof joint, thereby promptly the apparent surface of driving member and jacket is combined together and stops the damp of inner blast around jacket to propagate the effect that reaches flame proof.
Further setting as the utility model: said driving member is columniform button; Be provided with spring in the said button, an end of spring is compressing button, and the other end of spring is connected with briquetting; The briquetting position is corresponding with push rod and can press push rod; Said jacket offers the cylindrical channel that supplies columniform button to pass, and is embedded with copper insert between said vias inner walls and the button outer wall, and the formation flameproof joint cooperates between said copper insert and the vias inner walls.Through adopting copper insert to be embedded between passage and button, between copper insert and the vias inner walls flameproof joint setting, if sensitive switch generation electric spark, when electric spark also can extinguish during through passage naturally.Can move towards push rod by the external force effect, if the people has shed the power on the button, then button resets under the effect of spring, can realize conducting, the off action of sensitive switch repeatedly, and is easy to operate.
Further setting as the utility model: said briquetting is " protruding " shape structure; Briquetting top cooperates with said spring; The briquetting bottom is corresponding with said push rod; Both sides, briquetting bottom are respectively equipped with the shaft shoulder, are provided with the open slot that is slidingly matched with the briquetting shaft shoulder in the said button, and the openend of open slot is provided with the guide vane end stop with said shaft shoulder snap fit.When external force acts on the button; Button down is when the push rod of sensitive switch moves; Spring in the button has downward power to briquetting, and the briquetting below receives a support force of push rod when contacting with push rod, have only when spring to the spring force of briquetting during above support force; That is to say and have only when button down moves to certain displacement that briquetting just can promote the connection action that push rod moves downward the hard contact and the normal open switch of realization sensitive switch.If button do not move to corresponding position then sensitive switch be in off-state, above-mentioned setting makes and the utlity model has limit function this has been avoided the inconvenience that causes because of the sensitivity too of sensitive switch to a certain extent.
Further setting as the utility model: be provided with dividing plate in the said jacket jacket is divided into jacket top and jacket bottom; Said sensitive switch places jacket top; The jacket bottom is provided with line outlet; The lead that is connected with sensitive switch is protruding by line outlet, and the abutted surface glue envelope of said sensitive switch and lead is handled.The abutted surface of sensitive switch and lead is carried out the processing of glue envelope, and isolating inner air and outer air reaches better flame proof effect.
Adopt such scheme, the utility model is provided with a jacket through the shell outsourcing at sensitive switch and makes and constitute flameproof joint between jacket and the button and cooperate and stop inner blast to extraneous air borne, thereby reaches the effect of flame proof.And on jacket, be provided with the passage that is slidingly matched with button with the push rod corresponding position; Between passage and button, realize the cooperation of both flameproof joints through being embedded copper insert; Be provided with the briquetting that pastes mutually with push rod in the button; When button when the push rod direction moves, briquetting can promote push rod and move downward and realize the sensitive switch turning circuit.Be provided with the spring affixed with briquetting in the button, when the power on the button shed, spring made push-button reset, and the sensitive switch open circuit.The utlity model has explosion-proof limit function and above-mentioned modern design, simple and reasonable.
Below in conjunction with accompanying drawing the utility model is further described.
Description of drawings
Accompanying drawing 1 is the utility model specific embodiment schematic appearance;
Accompanying drawing 2 is the utility model specific embodiment section of structure;
Accompanying drawing 3 is the utility model specific embodiment part-structure profile;
Accompanying drawing 4 is the utility model specific embodiment part-structure profile.
Embodiment
The practical implementation of the utility model is the flame-proof switch shown in Fig. 1-3 for example; Comprise sensitive switch 1, sensitive switch 1 comprises shell 11 and push rod 12, and push rod 12 can be realized sensitive switch 1 turning circuit under the effect of external force; When shedding external force, sensitive switch 2 open circuits.Shell 11 outsides of this sensitive switch 1 are coated with a jacket 2, with sensitive switch 1 and isolate from outer air, reach the function of flame proof.Jacket 2 is provided with passage 21 with push rod 12 corresponding positions; Be provided with in the passage 21 and cooperate with passage 21 inwall flameproof joints and can be along the button 3 of move in the passage 21, button 3 can press conducting or the disconnection that push rod 12 is realized sensitive switches 1 under external force.When external force acts on 3 last times of button; Button 3 moves downward along vias inner walls; External force is delivered to makes push rod 12 promote hard contact and normally opened contact connection turning circuit in the sensitive switches 1 on the push rod 12, on button 1, receive an opposite force and make time spent sensitive switch 1 open circuit then.Button in above-mentioned the setting can require to change the driving member that other can transmit external force into according to reality, like push-piece, bar etc.
Shown in Fig. 3-4; Passage 21 on the jacket 2 cooperates with columniform button 3; And being embedded with copper insert 4 between passage 21 and the button 3, is the flameproof joint setting between copper insert 4 and passage 21 inwalls, through adopting being provided with of flameproof joint between copper insert 4 embeddings and the passage 21 electric spark of generation is extinguished automatically through passage 21 time; Can't contact with the air in the external world, thereby reach the flame proof effect.
As shown in Figure 4, be provided with spring 31 in the button 3, an end of spring 31 is compressing button 3; The other end of spring 31 is connected with briquetting 32, and the cross section of this briquetting 32 is " protruding " shape structure, and the top of briquetting 32 is connected with spring 31; Paste with the push rod 12 of sensitive switch 1 mutually the bottom of briquetting 32; Both sides, briquetting 32 bottom are provided with the shaft shoulder 321, are provided with the open slot 33 that is slidingly matched with the shaft shoulder 321 in the button 3, and the openend of open slot 33 is provided with the guide vane end stop 331 with the shaft shoulder 321 snap fit.
Shown in Fig. 2-3; Be provided with dividing plate 22 in the jacket 2 jacket 2 is divided into jacket top and jacket bottom; Said sensitive switch 1 places jacket 2 tops; The jacket bottom is provided with line outlet 23, and the lead 13 that is connected with sensitive switch 1 is protruding by line outlet 23, and sensitive switch 1 is handled with the abutted surface glue envelope of lead 13.
During use, when external force affacts 3 last times of button, button 3 moves downward; Spring 31 pressurizeds have downward active force to briquetting 32, and briquetting 32 moves downward driving push rod 12 and makes turning circuit in the sensitive switch 1, sheds the power on the button 3; Button 3 resets under the effect of spring 31; Briquetting 32 resets with spring 31, and the active force on the push rod 12 resets and disappears sensitive switch 1 open circuit with briquetting 32.
The utility model is provided with a jacket 2 through shell 11 outsourcings at sensitive switch 1 separates sensitive switch 1 and outside air, thereby the formation flameproof joint cooperates the flame proof effect of accomplishing global switch between jacket 2 and the button that presses sensitive switch 13.On jacket 2, be provided with the passage 21 that is slidingly matched with button 3 with push rod 12 corresponding positions; Between passage 21 and button 3, realize both being sealed and matched through being embedded copper insert 4; Be provided with the briquetting 32 that pastes mutually with push rod 12 in the button 3; When button 3 when push rod 12 directions move, briquetting 32 can promote push rod 12 and move downward and realize sensitive switch 1 turning circuit.Be provided with the spring 31 affixed with briquetting 32 in the button 3, when the power on the button 3 shed, spring 31 resetted button 3, and sensitive switch 1 open circuit.The utlity model has flame proof function and modern design, simple and reasonable.
Claims (4)
1. flame-proof switch; Comprise sensitive switch; Sensitive switch comprises shell and push rod; It is characterized in that: said sensitive switch enclosure is arranged with jacket, and jacket and said push rod corresponding position are provided with the driving member that can press push rod, cooperates for the flame proof faying face between said driving member and the jacket.
2. flame-proof switch according to claim 1 is characterized in that: said driving member is columniform button, is provided with spring in the said button; One end of spring is compressing button; The other end of spring is connected with briquetting, and the briquetting position is corresponding with push rod and can press push rod, and said jacket offers the cylindrical channel that supplies columniform button to pass; Be embedded with copper insert between said vias inner walls and the button outer wall, constitute flameproof joint between said copper insert and the vias inner walls and cooperate.
3. flame-proof switch according to claim 2; It is characterized in that: said briquetting is " protruding " shape structure; Briquetting top cooperates with said spring, and the briquetting bottom is corresponding with said push rod, and both sides, briquetting bottom are respectively equipped with the shaft shoulder; Be provided with the open slot that is slidingly matched with the briquetting shaft shoulder in the said button, the openend of open slot is provided with the guide vane end stop with said shaft shoulder snap fit.
4. according to claim 1 or 2 or 3 described flame-proof switches; It is characterized in that: be provided with dividing plate in the said jacket jacket is divided into jacket top and jacket bottom; Said sensitive switch places jacket top; The jacket bottom is provided with line outlet, and the lead that is connected with sensitive switch is protruding by line outlet, and the abutted surface glue envelope of said sensitive switch and lead is handled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220331582 CN202633091U (en) | 2012-07-10 | 2012-07-10 | Explosion-proof switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220331582 CN202633091U (en) | 2012-07-10 | 2012-07-10 | Explosion-proof switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202633091U true CN202633091U (en) | 2012-12-26 |
Family
ID=47386252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220331582 Expired - Lifetime CN202633091U (en) | 2012-07-10 | 2012-07-10 | Explosion-proof switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202633091U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413700A (en) * | 2013-08-07 | 2013-11-27 | 新黎明科技股份有限公司 | Explosion-proof press button |
| CN105470053A (en) * | 2014-09-26 | 2016-04-06 | Ls产电株式会社 | Auxiliary contact mechanism of electromagnetic contactor |
-
2012
- 2012-07-10 CN CN 201220331582 patent/CN202633091U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413700A (en) * | 2013-08-07 | 2013-11-27 | 新黎明科技股份有限公司 | Explosion-proof press button |
| CN105470053A (en) * | 2014-09-26 | 2016-04-06 | Ls产电株式会社 | Auxiliary contact mechanism of electromagnetic contactor |
| CN105470053B (en) * | 2014-09-26 | 2018-01-12 | Ls产电株式会社 | The auxiliary contact mechanism of electromagnetic contactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XINLIMING TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: XINLIMING EXPLOSION-PROOF ELECTRIC APPLIANCE CO., LTD. Effective date: 20131030 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 325000 WENZHOU, ZHEJIANG PROVINCE TO: 215000 SUZHOU, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131030 Address after: 215000, Jiangsu, Suzhou Province, Xiangcheng District City, Yangcheng Lake Town, West Cross Hong Kong Street, No. 15 Patentee after: HRLM TECHNOLOGY INCORPORATED Co. Address before: 325000, No. 2, East Ring Road, Liushi Town, Yueqing, Zhejiang, Wenzhou Patentee before: HRLM Exposionproof Electric Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121226 |