CN206267862U - A kind of reversible lock - Google Patents
A kind of reversible lock Download PDFInfo
- Publication number
- CN206267862U CN206267862U CN201621169485.8U CN201621169485U CN206267862U CN 206267862 U CN206267862 U CN 206267862U CN 201621169485 U CN201621169485 U CN 201621169485U CN 206267862 U CN206267862 U CN 206267862U
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- CN
- China
- Prior art keywords
- valve
- core
- valve body
- taper
- reversible lock
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- 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.)
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Abstract
The utility model discloses a kind of reversible lock,Belong to coal mine fully-mechanized mining support apparatus technical field,Including valve body,Taper valve core,Piston,Valve pocket is provided with the valve body,The valve body two ends are provided with even core nut,The taper valve core,Piston is in valve pocket,The valve body is provided with inlet opening A,Inlet opening B,Fluid hole C,Fluid hole D,Back-moving spring is provided between the taper valve core and valve body,The valve element,Piston is provided with sealing ring with valve body contact position,Unloading small valve core is provided with the taper valve core,The small valve core is provided with round bar,The round bar end is stretched out from taper valve core,By being provided with multiple springs in valve pocket,Ensure that reversible lock is more smoothly operated,And it is provided with strengthens angle body,Make reversible lock more firm durable,Outer surface is provided with phosphor strip,Facilitate and reversible lock is observed under dim condition,And the company's of being provided with core nut,Directly valve element can be taken out from valve body,Convenient maintenance,While simple structure,Small volume.
Description
Technical field
The utility model belongs to coal mine fully-mechanized mining support apparatus technical field, and in particular to a kind of reversible lock.
Background technology
Reversible lock is one of most widely used Hydraulic Elements in hydraulic bracket control system, is mainly used in all kinds of jack
All kinds of action controls, it is ensured that the safety in production in colliery.Existing reversible lock species is more, and structure is considerably complicated, different because being equipped with
Reversible lock flow is also not quite similar needed for the jack of cylinder diameter size, and reversible lock flow is too big or too small can all cause jack
Stretch too fast or excessively slow, therefore the operation strategies of every money reversible lock are subject to many limitations.
Reversible lock be to maintain hydraulic support service behaviour i.e. to the most important valve class of the enabling capabilities of underground face guard it
One, it is arranged on the sprag ram of hydraulic support, is the key element of hydraulic support.China uses the integrated machine of hydraulic support
Since tool coal-mining technique, the application of reversible lock is more and more extensive.
The structure of current reversible lock is made up of valve body, valve element, spring, valve seat and plunger substantially, with present domestic QY types
As a example by hydraulic lock, using valve bush type valve element, its structure requires higher being slidably matched for valve core housing inside valve seat.The opposing party
Face, due to using valve bush type valve element, structure is complex, and corresponding valve body is also larger, produces and processes high material consumption, cost
Height, and be difficult to observe under compared with dim condition, it has not been convenient to repair, and hydraulic pressure is unstable, structure is not firm enough, fragile etc.
Problem.And existing reversible lock is when using at night, observation is difficult, uses inconvenience.
Utility model content
The purpose of this utility model is to provide a kind of reversible lock, caused above-mentioned multinomial scarce in the prior art to solve
Fall into.
A kind of reversible lock, including valve body, taper valve core, piston, are provided with valve pocket in the valve body, the valve body two ends are provided with
Even core nut, the taper valve core, piston in the valve pocket, the valve body be provided with inlet opening A, inlet opening B, fluid hole C,
Fluid hole D, is provided with back-moving spring between the taper valve core and valve body, the valve element, piston and valve body contact position are provided with close
Seal, is provided with unloading small valve core in the taper valve core, the small valve core is provided with round bar, and the round bar end is from taper valve core
Stretch out.
Preferably, it is provided with little spring between the unloading small valve core and valve body.
Preferably, the taper valve core is divided into left valve element and right valve element, and the left valve element is arranged symmetrically in valve with right valve element
In chamber.
Preferably, the valve outer surface is provided with phosphor strip.
Preferably, the valve body corner is provided with reinforcing angle body.
Preferably, the inlet opening, fluid hole, hydraulic control hole, be equipped with sealing ring in hole of leaking.
The utility model has the advantage of：This kind of reversible lock, by being provided with multiple springs in valve pocket, it is ensured that reversible lock is more
Plus be smoothly operated, and in valve body, each turning is provided with strengthens angle body, makes reversible lock more firm durable, outside valve body
Surface is provided with phosphor strip, facilitates and reversible lock is observed under dim condition, convenient maintenance, and simple structure, and small volume is convenient real
With.
Brief description of the drawings
Fig. 1 is a kind of internal structure schematic diagram of reversible lock described in the utility model.
Fig. 2 is a kind of structural representation of reversible lock described in the utility model.
Wherein：1-valve body, 11-company core nut, 12-reinforcing angle body, 13-phosphor strip, 21-back-moving spring, 22-small
Spring, 31-unloading small valve core, 32-taper valve core, 33-round bar, 41-fluid hole C, 42-fluid hole D, 43-inlet opening
A, 44-inlet opening B, 5-piston.
Specific embodiment
For technological means, creation characteristic, reached purpose and effect for realizing the utility model are easy to understand, below
With reference to specific embodiment, the utility model is expanded on further.
As depicted in figs. 1 and 2, it is provided with a kind of reversible lock, including valve body 1, taper valve core 32, piston 5, the valve body 1
Valve pocket, the two ends of the valve body 1 are provided with even core nut 11, and the taper valve core 32, piston 5 are located in valve pocket, on the valve body 1
Inlet opening A43, inlet opening B44, fluid hole C41, fluid hole D42 are provided with, reset is provided between the taper valve core 32 and valve body 1
Spring 21, the valve element 32, piston 5 are provided with sealing ring with the contact site of valve body 1, unloading are provided with the taper valve core small
Valve element 31, the small valve core is provided with round bar 33, and the end of the round bar 33 is stretched out from taper valve core 32.
It is worth noting that, being provided with little spring 22 between the unloading small valve core and valve body, hydraulic pressure is set more to stablize.
In the present embodiment, 32 points of the taper valve core is left valve element and right valve element, and the left valve element is symmetrical with right valve element
It is arranged in valve pocket.
In the present embodiment, the outer surface of the valve body 1 is provided with phosphor strip 13, makes reversible lock also easy under conditions of dim
It was observed that.
In the present embodiment, the valve body corner is provided with reinforcing angle body 12, makes reversible lock more firm durable, is difficult
Damage.
Additionally, being equipped with sealing ring in the inlet opening, fluid hole, increase connection sealing energy, make reversible lock more preferable
It is operated.
Based on above-mentioned, this kind of reversible lock, by being provided with multiple springs in valve pocket, it is ensured that reversible lock is more smoothly carried out
Work, and in valve body, each turning is provided with strengthens angle body 12, makes reversible lock more firm durable, is provided with glimmering in valve outer surface
Striation 13, facilitates and reversible lock is observed under dim condition, convenient maintenance, and simple structure, and small volume is convenient and practical.
As known by the technical knowledge, the utility model can be by other essence without departing from its spirit or the reality of essential feature
Scheme is applied to realize.Therefore, embodiment disclosed above, for each side, is all merely illustrative, and is not only
's.It is all in the range of the utility model or in the change being equal in the range of the utility model by the utility model bag
Contain.
Claims (5)
1. a kind of reversible lock, including valve body, taper valve core, piston, are provided with valve pocket in the valve body, the valve body two ends are provided with company
Core nut, in the valve pocket, the valve body is provided with inlet opening A, inlet opening B, fluid hole C, goes out for the taper valve core, piston
Fluid apertures D, is provided with back-moving spring between the taper valve core and valve body, the valve element, piston and valve body contact position are provided with sealing
Circle, is provided with unloading small valve core in the taper valve core, the small valve core is provided with round bar, and the round bar end is stretched from taper valve core
Go out, the valve outer surface is provided with phosphor strip.
2. a kind of reversible lock according to claim 1, it is characterised in that：It is provided with small between the unloading small valve core and valve body
Spring.
3. a kind of reversible lock according to claim 1, it is characterised in that：The taper valve core is divided into left valve element with right valve
Core, the left valve element is arranged symmetrically in valve pocket with right valve element.
4. a kind of reversible lock according to claim 1, it is characterised in that：The valve body corner is provided with reinforcing angle body.
5. a kind of reversible lock according to claim 1, it is characterised in that：The inlet opening, fluid hole, hydraulic control hole,
Leak and be equipped with sealing ring in hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621169485.8U CN206267862U (en) | 2016-10-26 | 2016-10-26 | A kind of reversible lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621169485.8U CN206267862U (en) | 2016-10-26 | 2016-10-26 | A kind of reversible lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206267862U true CN206267862U (en) | 2017-06-20 |
Family
ID=59037975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621169485.8U Active CN206267862U (en) | 2016-10-26 | 2016-10-26 | A kind of reversible lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206267862U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111379464A (en) * | 2020-03-13 | 2020-07-07 | 三峡大学 | Automatic locking device and using method |
-
2016
- 2016-10-26 CN CN201621169485.8U patent/CN206267862U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111379464A (en) * | 2020-03-13 | 2020-07-07 | 三峡大学 | Automatic locking device and using method |
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