CN105719855A - Emergency stop switch - Google Patents
Emergency stop switch Download PDFInfo
- Publication number
- CN105719855A CN105719855A CN201610245129.8A CN201610245129A CN105719855A CN 105719855 A CN105719855 A CN 105719855A CN 201610245129 A CN201610245129 A CN 201610245129A CN 105719855 A CN105719855 A CN 105719855A
- Authority
- CN
- China
- Prior art keywords
- stop switch
- emergency stop
- nut
- control bar
- hole
- 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.)
- Granted
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/022—Emergency operating parts, e.g. for stop-switch in dangerous conditions
Landscapes
- Push-Button Switches (AREA)
Abstract
The invention provides an emergency stop switch. The emergency stop switch comprises a limiting assembly, a pressing assembly and a contact piece assembly, wherein the limiting assembly comprises a nut; a partition plate with a through hole is arranged in the middle of the nut; one side of the partition plate is connected with a hollow bolt in a screw joint manner while the other side of the partition plate is connected with a crown-shaped fixed base in a screw joint manner, and a slideable middle column is arranged in the hollow bolt in a sleeving manner; a through hole is formed in the center of the middle column; the pressing assembly comprises a control rod arranged in the through hole of the middle column; one end of the control rod is connected with a button while the other end of the control rod passes through the through hole of the nut to extend to the crown-shaped part of the fixed base; the contact piece assembly comprises a moving contact piece and a static contact piece arranged in the crown-shaped part of the fixed base; and the moving contact piece is connected with the other end of the control rod. The emergency stop switch is simple in structure, relatively less in used parts, and convenient to machine, manufacture and install, so that the strength level and the explosive-proof grade are improved to a certain degree, and the emergency stop switch is not damaged easily.
Description
Technical field
The present invention relates to electrical apparatus control equipment field, be specifically related to a kind of emergency stop switch.
Background technology
Emergency stop switch is the one that main order controls electrical equipment, when the equipment run is in the hole, is cut off the electricity supply by emergency stop switch, and arrestment operates, and reaches the protection person and the purpose of equipment safety.
Traditional emergency stop switch is generally the push switch (button for redness) of Non-follow control, the control circuit of series winding access device, it is possible in case of emergency directly disconnect control circuit thus quick arrestment, to avoid equipment non-normal working.
As it is shown in figure 1, existing a kind of emergency stop switch is made up of housing 1, control bar 2, operation handle 3, contact assembly and locking device etc..Wherein:
Housing 1 is connected and composed by the upper cover 11 set gradually from top to bottom, middle seat 12 and base plate 13, the upper end of middle seat 12 is provided with upper chamber 14, lower end is provided with lower chambers 15, being located on the dividing plate between upper chamber 14 and lower chambers 15 to be communicated with the first through hole 16 of two chambers, the position that upper cover 11 is relative with the first through hole 16 is provided with the second through hole 17；
The upper end controlling bar 2 extends outside housing 1, lower end sequentially passes through the second through hole 17, upper chamber 14 and the first through hole 16 and stretches in lower chambers 15；
Operation handle 3, is connected with in the upper end of described control bar 2；
Contact assembly, is located in described lower chambers 15, and described contact assembly includes static contact 41, moving contact 42 and touch spring 43, moving contact 42 and touch spring 43 and is arranged on the lower end of described control bar 2, and static contact 41 is located at the lower section of moving contact 42；
Locking device, it is located in upper chamber 14, described locking device includes being symmetricly set on the turnover spring 51 controlling bar 2 both sides and being fixedly connected on the locating piece 52 controlled on bar 2, and one end of turnover spring 51 is connected with the inwall of upper chamber 14, the other end is connected with locating piece 52；
And insulating sheath 6, for tubulose, it is set on control bar 2, and partially enclosed by what control on bar 2 between manipulator's handle 3 and upper cover 11.
Need definitely to avoid the generation of unusual condition at underground coal mine, therefore it is frequently necessary to use emergency stop switch, but due to the work under bad environment of down-hole and complexity, there was dampness in the air, and the flammable and explosive substance such as dangerous methane gas, coal dust, therefore that the requirement of emergency stop switch is very high.Above-mentioned conventional emergency stop switch structure is complicated, part is many, explosive-proof grade is low, intensity is low, fragile, it is impossible to enough meet the industrial and mineral environmental requirement that down-hole is harsh.
Summary of the invention
The present invention is directed to above-mentioned prior art Problems existing, in order to meet at underground coal mine requirements of one's work, it is provided that a kind of simple in construction, intensity and explosive-proof grade emergency stop switch high, non-damageable.
The emergency stop switch that the embodiment of the present invention provides, including: limit assembly, described limit assembly includes nut, the middle part of described nut is provided with the dividing plate of through hole, the be spirally connected bolt of hollow, opposite side of the side of described dividing plate is spirally connected crown fixing seat, and in the bolt of hollow, it being arranged with slidably center pillar, the center of described center pillar is provided with through hole；Press component, described press component includes the control bar being arranged in the through hole of described center pillar, and one end of described control bar connects button, the other end is through the through hole of described nut and extends to the coronal of described fixing seat；Contact chip assembly, moving contacting plate that described contact chip assembly includes being arranged in the coronal of described fixing seat and quiet contact chip, described moving contacting plate is connected with the described other end of described control bar.
The emergency stop switch that technique scheme is provided, when described emergency stop switch disconnects, distance between end face and the dividing plate of described nut of described center pillar, equal to the distance between described moving contacting plate and quiet contact chip.
Installing in order to convenient, be provided with dynamic baffle plate and quiet baffle plate in described fixing seat, described moving contacting plate is arranged on dynamic baffle plate, described quiet contact chip is arranged on quiet baffle plate, and described moving contacting plate is connected by the described other end of described dynamic baffle plate with described control bar.
In the emergency stop switch that technique scheme provides, between two parts being mutually spirally connected and/or be nested together and can be provided with sealing ring between two parts of relative sliding.Specifically, it is possible between described nut and described fixing seat, between described nut and described control bar and between described bolt and described center pillar, be equipped with sealing ring.
In the emergency stop switch that technique scheme provides, described nut, bolt, fixing seat and control bar adopt stainless steel material to make.Described center pillar and button adopt insulant to make, and the two is connected with each other and is enclosed in the outside of described control bar.
Further, described one end of described control bar is provided with display lamp, and described button is enclosed in the outside of described display lamp.
Described emergency stop switch is applied on the electro-hydraulic Ore-controlling Role of coal mine underground hydraulic support frame.
The emergency stop switch that the embodiment of the present invention provides can reach following effect: assembling of described nut, bolt and fixing seat adopts thread forms, described center pillar and control the assembling employing socket mode of bar, package assembly is simple, need not can be realized as by other instruments, and utilize the position relationship between described nut, bolt and center pillar to carry out mechanical position limitation when pressing described control bar, instead of traditional steel ball, spring screens, form processing is simple, it is simple to install.Owing to the parts of simple in construction, use are less, facilitate processing and manufacturing and installation, therefore also improve strength grade and explosive-proof grade to a certain extent, and be hardly damaged.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of emergency stop switch in prior art；
Fig. 2 is the structural representation of embodiment of the present invention emergency stop switch original position；
Fig. 3 is the structural representation of embodiment of the present invention emergency stop switch operating position.
Accompanying drawing labelling:
1-button 2-display lamp 3-sealing ring
4-bolt 5-center pillar 6-nut
7-moves the quiet baffle plate 9-moving contacting plate of baffle plate 8-
The quiet contact chip 11-of 10-is fixing, and seat 12-controls bar
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, the present invention is described in further detail below in conjunction with the accompanying drawings and the specific embodiments.
As shown in Figures 2 and 3, the emergency stop switch that the embodiment of the present invention provides includes:
Limit assembly, described limit assembly includes nut 6, and the middle part of nut 6 is provided with the dividing plate of through hole, and the be spirally connected bolt 4 of hollow, opposite side of the side of described dividing plate is spirally connected crown fixing seat 11, and in the bolt 4 of hollow, it being arranged with slidably center pillar 5, the center of center pillar 5 is provided with through hole；
Press component, described press component includes the control bar 12 being arranged in the through hole of center pillar 5, controls that one end of bar 12 connects button 1, the other end is through the through hole of nut 6 and extends to the coronal of fixing seat 11；
Contact chip assembly, described contact chip assembly includes the moving contacting plate 9 and the quiet contact chip 10 that are arranged in the coronal of fixing seat 11, and moving contacting plate 9 is connected with the described other end controlling bar 12.
The kinestate of the emergency stop switch that the embodiment of the present invention provides is as follows: nut 6 is fixed by the screw thread at two ends be connected with bolt 4 and fixing seat 11, center pillar 5 is set in bolt 4 and can slide relative to bolt 4, controls bar 12 and is set in center pillar 4 and can slide relative to center pillar 4；In the upper end controlling bar 12, center pillar 5 is connected with button 1, and the lower end controlling bar 12 then extend in the coronal of fixing seat 11 through the through hole on nut 6, and connects with moving contacting plate 9；Moving contacting plate can slide in fixing seat 11, and quiet contact chip 10 is fixed in the coronal of fixing seat 11 and is oppositely arranged with moving contacting plate 9.Pressing button 1, center pillar 5 is slide downward in bolt 4, and realize spacing after its end contact to the dividing plate of nut 6, control bar 12 to move down along with center pillar 5 simultaneously, and drive moving contacting plate 9 slide downward to contact with quiet contact chip 10, now power on, governor circuit is cut off, and equipment shuts down.
In the emergency stop switch that the embodiment of the present invention provides, assembling of described nut 6, bolt 4 and fixing seat 11 adopts thread forms, described center pillar 5 and controls the assembling employing socket mode of bar 12, package assembly is simple, need not can be realized as by other instruments, and utilize the position relationship between described nut 6, bolt 4 and center pillar 5 to carry out mechanical position limitation when pressing described control bar 12, instead of traditional steel ball, spring screens, form processing is simple, it is simple to install.Owing to the parts of simple in construction, use are less, facilitate processing and manufacturing and installation, therefore also improve strength grade and explosive-proof grade to a certain extent, and be hardly damaged.
The emergency stop switch that above-described embodiment is provided, in order to ensure mechanical position limitation, when described emergency stop switch disconnects, distance between end face and the dividing plate of nut 6 of center pillar 5, equal to the distance between moving contacting plate 9 and quiet contact chip 10.So, the dividing plate of nut 6 center pillar 5 is carried out spacing after, control bar 12 and just drive moving contacting plate 9 to contact with quiet contact chip 10.Wherein, distance relation above-mentioned, it is possible to obtain by arranging the structure of nut 6, bolt 4 and center pillar 5 and position relationship in installation process.
In order to facilitate the installation of dynamic and static contact chip, fixing seat 11 is provided with dynamic baffle plate 7 and quiet baffle plate 8, moving contacting plate 9 is arranged on dynamic baffle plate 7, quiet contact chip 10 is arranged on quiet baffle plate 11, and moving contacting plate 9 is connected with the described other end controlling bar 3 by dynamic baffle plate 7, this other end is shown as lower end in figs. 2 and 3.Wherein, dynamic baffle plate 7 can slide in the coronal of fixing seat 11, and quiet baffle plate 8 is then fixing in the coronal of fixing seat 11, when control bar 3 moves down, drive dynamic baffle plate 7 also and then to drive moving contacting plate 9 slide downward, make moving contacting plate 9 contact conducting with quiet contact chip 10 with this.
In order to improve sealing protection grade, it is possible between two parts being mutually spirally connected and/or be nested together and can be provided with sealing ring 3 between two parts of relative sliding.Such as, in the emergency stop switch that above-described embodiment provides, it is possible to be equipped with sealing ring 3 between nut 6 and fixing seat 11, between nut 6 and control bar 12 and between bolt 4 and center pillar 5.Sealing ring 3 can play sealing function, it is also possible to increases resistance to sliding.After arranging sealing ring 3, can not only realizing waterproof, also completely cut off parts within emergency stop switch and outside air, especially contacted with the humid air of underground coal mine, degree of protection can reach IP65.
In the emergency stop switch that technique scheme provides, described nut 6, bolt 4, fixing seat 11 and control bar 12 adopt stainless steel material to make.Stainless steel can improve intensity and the explosive-proof grade of emergency stop switch self further, is hardly damaged, and also meets the requirement of explosion proof that can not use alloy in lightweight at underground coal mine simultaneously.Described center pillar 5 and button 1 adopt insulant to make, and the two is connected with each other and is enclosed in the outside of described control bar 12, and this makes to control bar 12 and is not exposed to outside, improves the safety of use.
Further, being provided with display lamp 2 in the described one end (being shown as upper end in figs. 2 and 3) controlling bar 12, button 1 is enclosed in the outside of display lamp 2.Specifically, being arrange certain accommodating chamber in button 1 so that display lamp 2 can be contained therein, and looks from the top down, display lamp 2 can pass through button 1 and be observed.After pressing the button 1, moving contacting plate 9 contacts with quiet contact chip 10, and display lamp lights simultaneously, has stopped in case of emergency, has pressed the button 1 emergency stop switch and do not play a role, the undiscovered dangerous situation of staff.
The emergency stop switch that the various embodiments described above provide can be used under any suitable occasion, and owing to it has simple in construction, intensity and explosive-proof grade height, security performance advantages of higher, therefore it is especially suitable for being used in the control circuit of underground coal mine, for instance be used on the electro-hydraulic Ore-controlling Role of hydraulic support.
Described above to the disclosed embodiments, it is therefore an objective to make professional and technical personnel in the field be capable of or use the present invention.The multiple amendment of these embodiments be will be apparent from for those skilled in the art, and generic principles defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (9)
1. an emergency stop switch, it is characterised in that including:
Limit assembly, including nut (6), the middle part of described nut (6) is provided with the dividing plate of through hole, the side of described dividing plate is spirally connected the fixing seat (11) that the bolt (4) of hollow, opposite side are spirally connected crown, and in the bolt (4) of hollow, it being arranged with slidably center pillar (5), the center of described center pillar (5) is provided with through hole；
Press component, including control bar (12) in the through hole being arranged on described center pillar (5), one end of described control bar (12) connects button (1), the other end is through the through hole of described nut (6) and extends to the coronal of described fixing seat (11)；
Contact chip assembly, including the moving contacting plate (9) in the coronal being arranged on described fixing seat (11) and quiet contact chip (10), described moving contacting plate (9) is connected with the described other end of described control bar (12).
2. emergency stop switch according to claim 1, it is characterized in that: when described emergency stop switch disconnects, distance between end face and the dividing plate of described nut (6) of described center pillar (5), equal to the distance between described moving contacting plate (9) and quiet contact chip (10).
3. emergency stop switch according to claim 1 and 2, it is characterized in that: described fixing seat (11) is provided with dynamic baffle plate (7) and quiet baffle plate (8), described moving contacting plate (9) is arranged on dynamic baffle plate (7), described quiet contact chip (10) is arranged on quiet baffle plate (8), and described moving contacting plate (9) is connected by the described other end of described dynamic baffle plate (7) with described control bar (12).
4. emergency stop switch according to claim 1 and 2, it is characterised in that: between two parts being mutually spirally connected and/or be nested together and can be provided with sealing ring (3) between two parts of relative sliding.
5. emergency stop switch according to claim 4, it is characterised in that: between described nut (6) and described fixing seat (11), between described nut (6) and described control bar (12), between described bolt (4) and described center pillar (5), it is equipped with sealing ring (3).
6. emergency stop switch according to claim 1 and 2, it is characterised in that: described nut (6), bolt (4), fixing seat (11) and control bar (12) adopt stainless steel material to make.
7. emergency stop switch according to claim 1 and 2, it is characterised in that: described center pillar (5) and button (1) adopt insulant to make, and the two is connected with each other and is enclosed in the outside of described control bar (12).
8. emergency stop switch according to claim 7, it is characterised in that: described one end of described control bar (12) is provided with display lamp (2), and described button (1) is enclosed in the outside of described display lamp (2).
9. emergency stop switch according to claim 1 and 2, it is characterised in that described emergency stop switch is applied on the electro-hydraulic Ore-controlling Role of coal mine underground hydraulic support frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610245129.8A CN105719855B (en) | 2016-04-19 | 2016-04-19 | Emergency stop switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610245129.8A CN105719855B (en) | 2016-04-19 | 2016-04-19 | Emergency stop switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105719855A true CN105719855A (en) | 2016-06-29 |
| CN105719855B CN105719855B (en) | 2018-04-13 |
Family
ID=56161257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610245129.8A Active CN105719855B (en) | 2016-04-19 | 2016-04-19 | Emergency stop switch |
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| Country | Link |
|---|---|
| CN (1) | CN105719855B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106098423A (en) * | 2016-08-05 | 2016-11-09 | 新乡市光明电器有限公司 | Big electric current urgent power-off switch |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2626028Y (en) * | 2003-03-24 | 2004-07-14 | 苏锦工业有限公司 | Explosion proof switch for hiding button |
| CN101221867A (en) * | 2008-01-14 | 2008-07-16 | 泰豪科技股份有限公司 | Explosion-proof micro-switch |
| CN101546662A (en) * | 2008-03-28 | 2009-09-30 | 华荣集团有限公司 | Button mandril and explosion-proof button |
| CN203367077U (en) * | 2013-08-13 | 2013-12-25 | 浙江南峰电气有限公司 | Emergency stop switch |
-
2016
- 2016-04-19 CN CN201610245129.8A patent/CN105719855B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2626028Y (en) * | 2003-03-24 | 2004-07-14 | 苏锦工业有限公司 | Explosion proof switch for hiding button |
| CN101221867A (en) * | 2008-01-14 | 2008-07-16 | 泰豪科技股份有限公司 | Explosion-proof micro-switch |
| CN101546662A (en) * | 2008-03-28 | 2009-09-30 | 华荣集团有限公司 | Button mandril and explosion-proof button |
| CN203367077U (en) * | 2013-08-13 | 2013-12-25 | 浙江南峰电气有限公司 | Emergency stop switch |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106098423A (en) * | 2016-08-05 | 2016-11-09 | 新乡市光明电器有限公司 | Big electric current urgent power-off switch |
| CN106098423B (en) * | 2016-08-05 | 2018-01-02 | 新乡市光明电器有限公司 | High current urgent power-off switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105719855B (en) | 2018-04-13 |
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