CN104821252B - A kind of jerk key discharges explosive operation head - Google Patents
A kind of jerk key discharges explosive operation head Download PDFInfo
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- CN104821252B CN104821252B CN201410857560.9A CN201410857560A CN104821252B CN 104821252 B CN104821252 B CN 104821252B CN 201410857560 A CN201410857560 A CN 201410857560A CN 104821252 B CN104821252 B CN 104821252B
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- machine barrel
- steel ball
- outside
- rotary sleeve
- head
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Abstract
The invention discloses a kind of jerk key to discharge explosive operation head, including operating head machine barrel, the first machine barrel, the second machine barrel, rotary sleeve and perform head, described operating head machine barrel is located at the top of the rotary sleeve, the lower section for performing head and being located at the rotary sleeve, the first described machine barrel is placed on the rotary sleeve and performs the outside of head, and the second described machine barrel is placed on the outside of the first machine barrel bottom；Described operating head machine barrel includes lock core sleeve and cylinder encloses, and lock core is provided with the lock core sleeve；Described rotary sleeve upper outside is cased with torsion spring, and the upper end of the torsion spring is in operating head machine barrel；Described rotary sleeve bottom is provided with steel ball mounting groove, is provided with steel ball in described steel ball mounting groove, compressing spring is provided between steel ball and the steel ball mounting groove.The present invention need to open lock core convolution with key and put back to initial position, avoid operating personnel from producing maloperation to be pressed into operating position, safer.
Description
Technical field
The present invention relates to explosion-protection equipment field, specifically a kind of jerk key release explosive operation head.
Background technology
Existing jerk explosive operation head is presses, pull-shaped formula, and such a formal product major defect has, when pressing, because of production
Product are easily caused operating head stroke return, so as to allow the switch element stroke being used in combination to shorten, cause to switch by opposite force
When being not in needed for open position certainly or contact closure in reasonable pressure value, and being returned to initial position upwards, because
Its structure, not easy to operate, pulling force used is larger, so properties of product are not easy to keep, and sometimes mistake occurs in operating personnel
Maloperation, dangerous situation is caused to occur.
The content of the invention
It is an object of the invention to provide a kind of jerk key to discharge explosive operation head.
Operating head stroke return, causes switch to be not in when being pressed the invention solves existing jerk explosive operation head
Certainly needed for open position or contact closure rationally in pressure value, it is larger to be returned to required pulling force during initial position upwards, no
It is easy to operate, and the problem of the situation of operative employee's maloperation can not be avoided.
The technical scheme is that：A kind of jerk key discharges explosive operation head, including operating head machine barrel, the first machine
Cylinder, the second machine barrel, rotary sleeve and execution head, described operating head machine barrel are located at the top of the rotary sleeve, the execution
Head is located at the lower section of the rotary sleeve, and the first described machine barrel is placed on the rotary sleeve and performs the outside of head, described
Second machine barrel is placed on the outside of the first machine barrel bottom；Described operating head machine barrel includes lock core sleeve and cylinder encloses, the institute
State in lock core sleeve and be provided with lock core；Described rotary sleeve upper outside is cased with torsion spring, and the upper end of the torsion spring is located at behaviour
Make in head machine barrel：Described rotary sleeve bottom is provided with steel ball mounting groove, and steel ball, the steel are provided with described steel ball mounting groove
Compressing spring is provided between pearl and steel ball mounting groove.
Preferably, the bottom of the lock core sleeve is located at the inner side on the rotary sleeve top, the lower end set that the cylinder encloses
In the outside of the first machine barrel upper end；The first described machine barrel upper inner is provided with torsion spring limited block, described torsion spring
Lower end is placed on the upper outside of the rotary sleeve, and the lower end of the torsion spring is withstood on above the torsion spring limited block, turns round
The upper end of power spring is withstood in the operating head machine barrel, and located at the inner side that the cylinder encloses；Set on the outside of the middle part of first machine barrel
There is machine barrel position-limited edge, the second described machine barrel upper end is provided with machine barrel stopper slot, and the machine barrel position-limited edge is spacing located at the machine barrel
In groove；The middle part inwall of first machine barrel is provided with steel ball stopping means, and described steel ball is located at the steel ball stopping means
Top；Described lock core, rotary sleeve and execution head is fixed by cruciform slot screw.
Preferably, described steel ball stopping means includes steel ball position-limited edge, from the top of the first machine barrel, described steel
One end clockwise of pearl position-limited edge is provided with guiding slope, and side is provided with steel ball limited post, the guiding slope and steel ball limited post
Between be provided with position-limited edge opening, one end counterclockwise is provided with position-limited edge connecting pole, and described steel ball is on the steel ball position-limited edge
Side.
Preferably, described steel ball has two pieces, is symmetric on rotary sleeve, described steel ball stopping means and institute
State the corresponding distribution of steel ball.
Preferably, the cylinder encloses is cased with sealing shroud on the outside of the upper end of lower end outside and the first machine barrel；In first machine barrel
It is cased with compressing cover on the outside of the machine barrel position-limited edge in portion and the machine barrel stopper slot junction of the second machine barrel；The bottom of the lock core and lock
The first sealing ring is provided between core retainer plate cylinder, the second sealing ring, and the second described envelope are cased with the outside of the middle part of second machine barrel
Circle is located at the lower section for compressing cover and is close to the lower end for compressing cover；The middle and lower part of second machine barrel is cased with locking nut.
Preferably, it is provided with sealing gasket between described machine barrel position-limited edge and machine barrel stopper slot.
As it is further preferred that be provided with product installation positioning key on the outside of the middle part of described the second machine barrel, and it is described
Product installation positioning key is below second sealing ring.
Beneficial effects of the present invention are：The present invention is carried out spacing to be pressed into operating position using movable steel ball, can allow production
Conduct journey remains at the travel position of design, and lock core is twisted after being unlocked with key, using the bounce-back after the compression of torsion spring
Power and opposite force are back to initial position by product, and operation is light, and simply, resistance to mechanical impact strength is higher, and degree of protection is high, and allows
Operating personnel do not allow to be also easy to produce maloperation, safer.
Brief description of the drawings
Fig. 1 is A-A sections internal structure schematic diagram of the present invention.
Fig. 2 is the external structure schematic diagram of the present invention.
Fig. 3 is the top view of the present invention.
Fig. 4 is the structural representation of the first machine barrel.
Fig. 5 is the first machine barrel B-B cross section views.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
As illustrated, the present invention includes operating head machine barrel 23, the first machine barrel 17, the second machine barrel 12, rotary sleeve 18 and held
Wardrobe 11, described operating head machine barrel 23 are located at the top of the rotary sleeve 18, and the execution first 11 is located at the rotary shaft
The lower section of set 18, the first described machine barrel 17 are placed on the rotary sleeve 18 and perform first 11 outside, the second described machine barrel
12 are placed on the outside of the bottom of the first machine barrel 17；Described operating head machine barrel 23 includes lock core sleeve 2 and cylinder encloses 21, the institute
State in lock core sleeve 2 and be provided with lock core 22；The described upper outside of rotary sleeve 18 is cased with torsion spring 1, the upper end of the torsion spring 1
In operating head machine barrel 23；The described bottom of rotary sleeve 18 is provided with steel ball mounting groove 4, is set in described steel ball mounting groove 4
There is steel ball 16, compressing spring 9 is provided between the steel ball 16 and steel ball mounting groove 4.
In the present embodiment, the bottom of the lock core sleeve 2 is located at the inner side on the top of rotary sleeve 18, and the cylinder encloses 21
Lower end be placed on the outside of the upper end of the first machine barrel 17；The described upper inner of the first machine barrel 17 is provided with torsion spring limited block 3,
The described lower end of torsion spring 1 is placed on the upper outside of the rotary sleeve 18, and the lower end of the torsion spring 1 withstands on the torsion
The top of spring limited block 3, the upper end of torsion spring 1 are withstood in the operating head machine barrel 23, and 21 inner side is enclosed located at the cylinder；It is described
Machine barrel position-limited edge 6 is provided with the outside of the middle part of first machine barrel 17, the described upper end of the second machine barrel 12 is provided with machine barrel stopper slot 8, described
Machine barrel position-limited edge 6 is in the machine barrel stopper slot 8；The middle part inwall of first machine barrel 17 is provided with steel ball stopping means,
Described steel ball 16 is above the steel ball stopping means；Described lock core 22, rotary sleeve 18 and execution first 11 passes through ten
Word grooved screw 15 is fixed.
In the present embodiment, described steel ball stopping means includes steel ball position-limited edge 10, from the top of the first machine barrel 17,
One end clockwise of described steel ball position-limited edge 10 is provided with guiding slope 28, and side is provided with steel ball limited post 26, and the guiding is oblique
Position-limited edge opening 27 is provided between slope 28 and steel ball limited post 26, one end counterclockwise is provided with position-limited edge connecting pole 25, described steel
Pearl 16 is located at the top of steel ball position-limited edge 10.
In the present embodiment, described steel ball 16 has two pieces, is symmetric on rotary sleeve 18, described steel ball 16 limits
The distribution corresponding with the steel ball 16 of position device.
In the present embodiment, the cylinder encloses is cased with sealing shroud 20 on the outside of the upper end of 21 lower end outsides and the first machine barrel 17；It is described
It is cased with compressing cover 5 on the outside of the junction of machine barrel stopper slot 8 of the machine barrel 12 of machine barrel position-limited edge 6 and second at the middle part of the first machine barrel 17；
The first sealing ring 19 is provided between the bottom of the lock core 22 and lock core sleeve 2, is cased with the outside of the middle part of second machine barrel 12
Second sealing ring 14, and the second described seal located at the lower section for compressing cover 5 and is close to the lower end for compressing cover 5；Described
The middle and lower part of two machine barrels 12 is cased with locking nut 13.The setting of sealing shroud 20, the first sealing ring 19 and the second sealing ring 14 improves
Sealing property, compressing the setting of cover 5 ensures that the second machine barrel 12 described in the course of work and first machine barrel 17 are tightly combined, no
It is easily loose.
In the present embodiment, sealing gasket 7 is provided between described machine barrel position-limited edge 6 and machine barrel stopper slot 8, improves the close of product
Sealing property.
Product installation positioning key 29, and described production are provided with the present embodiment, on the outside of the middle part of the second described machine barrel 12
Product installation positioning key 29 is located at the lower section of the second sealing ring 14, it is ensured that installation is accurate.
Operation principle：Operating head machine barrel 23 is pressed during present invention work, the execution first 11 of described rotary sleeve 18
It is pressed together, during pressing, the steel ball 16 on rotary sleeve 18 is driven to described steel ball position-limited edge 10
Ejected behind lower section in the presence of compressing spring 9, be stuck in the lower section of steel ball position-limited edge 10, product stroke can be allowed to remain at design
Travel position；When convolution operating head is discharged, key 24 need to be inserted, rotates lock core 22, steel ball 16 is in rotary sleeve 18
Drive it is lower is first moved clockwise along steel ball position-limited edge 10, during by position-limited edge opening 27, using anti-after the compression of torsion spring 1
Elastic force and opposite force are back to initial position by product, and position-limited edge connecting pole 25 and steel ball limited post 26 are all in convolution release process
In position-limiting action is risen to steel ball 16.
Claims (1)
1. a kind of jerk key discharges explosive operation head, including operating head machine barrel, the first machine barrel, the second machine barrel, rotary sleeve and
Perform head, it is characterised in that described operating head machine barrel is located at the top of the rotary sleeve, and the execution head is located at the rotation
The lower section of rotating shaft set, the first described machine barrel are placed on the rotary sleeve and perform the outside of head, and the second described machine barrel is placed on
The outside of the first machine barrel bottom；Described operating head machine barrel includes lock core sleeve and cylinder encloses, and is provided with the lock core sleeve
Lock core；Described rotary sleeve upper outside is cased with torsion spring, and the upper end of the torsion spring is in operating head machine barrel；Described
Rotary sleeve bottom is provided with steel ball mounting groove, is provided with steel ball in described steel ball mounting groove, steel ball and the steel ball mounting groove it
Between be provided with compressing spring；The bottom of the lock core sleeve is located at the inner side on the rotary sleeve top, and the lower end that the cylinder encloses is placed on
The outside of the first machine barrel upper end；The first described machine barrel upper inner is provided with torsion spring limited block, under described torsion spring
End is placed on the upper outside of the rotary sleeve, and the lower end of the torsion spring is withstood on above the torsion spring limited block, torsion
The upper end of spring is withstood in the operating head machine barrel, and located at the inner side that the cylinder encloses；It is provided with the outside of the middle part of first machine barrel
Machine barrel position-limited edge, the second described machine barrel upper end are provided with machine barrel stopper slot, and the machine barrel position-limited edge is located at the machine barrel stopper slot
It is interior；The middle part inwall of first machine barrel is provided with steel ball stopping means, and described steel ball is on the steel ball stopping means
Side；Described lock core, rotary sleeve and execution head is fixed by cruciform slot screw；Described steel ball stopping means limits including steel ball
Position side, from the top of the first machine barrel, one end clockwise of described steel ball position-limited edge is provided with guiding slope, and side is provided with steel
Pearl limited post, is provided with position-limited edge opening between the guiding slope and steel ball limited post, one end counterclockwise connects provided with position-limited edge
Post, described steel ball is above the steel ball position-limited edge；Described steel ball has two pieces, is symmetric on rotary sleeve,
The distribution corresponding with the steel ball of described steel ball stopping means；The cylinder encloses to be cased with the outside of the upper end of lower end outside and the first machine barrel
Sealing shroud；It is cased with compressing on the outside of the machine barrel stopper slot junction of machine barrel position-limited edge and the second machine barrel in the middle part of first machine barrel
Cover；The first sealing ring is provided between the bottom of the lock core and lock core sleeve, second is cased with the outside of the middle part of second machine barrel
Sealing ring, and the second described sealing ring located at the lower section for compressing cover and is close to the lower end for compressing cover；Second machine barrel
Middle and lower part be cased with locking nut；Sealing gasket is provided between described machine barrel position-limited edge and machine barrel stopper slot；The second described machine
Product installation positioning key is provided with the outside of the middle part of cylinder, and described product installation positioning key is below second sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410857560.9A CN104821252B (en) | 2014-12-31 | 2014-12-31 | A kind of jerk key discharges explosive operation head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410857560.9A CN104821252B (en) | 2014-12-31 | 2014-12-31 | A kind of jerk key discharges explosive operation head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104821252A CN104821252A (en) | 2015-08-05 |
| CN104821252B true CN104821252B (en) | 2018-02-02 |
Family
ID=53731519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410857560.9A Active CN104821252B (en) | 2014-12-31 | 2014-12-31 | A kind of jerk key discharges explosive operation head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104821252B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0412374A2 (en) * | 1989-08-09 | 1991-02-13 | Siemens Aktiengesellschaft | Command-switch |
| CN1416584A (en) * | 2000-03-10 | 2003-05-07 | 默勒有限公司 | Emergency shutdown key system |
| CN203674017U (en) * | 2014-01-22 | 2014-06-25 | 合隆防爆电气有限公司 | Key-operated emergency stop button head |
| CN204303646U (en) * | 2014-12-31 | 2015-04-29 | 创正防爆电器有限公司 | A kind of anxious key that stops discharges explosive operation head |
-
2014
- 2014-12-31 CN CN201410857560.9A patent/CN104821252B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0412374A2 (en) * | 1989-08-09 | 1991-02-13 | Siemens Aktiengesellschaft | Command-switch |
| CN1416584A (en) * | 2000-03-10 | 2003-05-07 | 默勒有限公司 | Emergency shutdown key system |
| CN203674017U (en) * | 2014-01-22 | 2014-06-25 | 合隆防爆电气有限公司 | Key-operated emergency stop button head |
| CN204303646U (en) * | 2014-12-31 | 2015-04-29 | 创正防爆电器有限公司 | A kind of anxious key that stops discharges explosive operation head |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104821252A (en) | 2015-08-05 |
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Address after: 314001, No. 1, Qixing Road, Qixing Town, Nanhu District, Zhejiang, Jiaxing Patentee after: Chuangzheng Electric Co., Ltd. Address before: 314001, No. 1, Qixing Road, Qixing Town, Nanhu District, Zhejiang, Jiaxing Patentee before: CZ Explosion-proof Electric Appliances Co., Ltd. |