CN207212376U - A kind of hand-operated direction valve - Google Patents
A kind of hand-operated direction valve Download PDFInfo
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- CN207212376U CN207212376U CN201721051728.2U CN201721051728U CN207212376U CN 207212376 U CN207212376 U CN 207212376U CN 201721051728 U CN201721051728 U CN 201721051728U CN 207212376 U CN207212376 U CN 207212376U
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- valve
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- sleeve
- push rod
- valve element
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Abstract
The utility model discloses a kind of hand-operated direction valve,Including valve body and operating mechanism,Operating mechanism is connected with the upper end of valve body,Operating mechanism is internally provided with two identical briquettings,Briquetting has been connected respectively two identical core assemblies,Core assembly includes push rod,Push rod is set in upper valve sleeve,The lower end connection valve element of push rod,Sealing block is provided with the outside of the upper end of valve element,Spring is around the middle part outside for being located at valve element,And one end connection sealing block of spring,The other end connection lower valve sleeve of spring,The top of cutting ferrule nipple is located inside the lower end of valve body,And it is connected with lower valve sleeve with the bottom of valve element,The bottom of cutting ferrule coupling clamping cutting ferrule nipple,This hand-operated direction valve,By setting core assembly to form hard sealed connection,Improve service life,It is easily installed and safeguards,Directly reversal valve can be repaired by changing plug-in hydraulic package,Reduce the cost for making and repairing,It is simple in construction,Flow is big.
Description
Technical field
Valve technology field is the utility model is related to, especially a kind of hand-operated direction valve.
Background technology
Under the overall situation that coal mine fully-mechanized mining increasingly develops towards automation, high efficiency, high working face, the support of high impedance is got over
More to popularize, the corresponding valve that manipulates is also begun to from former low discharge middle flow gradually till now, big flow, in coal machine
Industry, reversal valve also referred to as manipulates valve or control valve, and in hydraulic pressure system of hydraulic support, reversal valve controls the side of liquid stream
To the different actions, at present, domestic manual plug-type middle-flow reversal valve knot such as realizing hydraulic support lifting, pushing and sliding, try to stop people from fighting each other
Structure is complicated, sealing reliability is poor, flow is generally relatively low, and this phenomenon can not meet that high working face, high impedance support make
With requiring, the steady operation of comprehensive mining hydraulic bracket have impact on.
Utility model content
It is a kind of hand-operated direction valve that the purpose of this utility model, which is to provide, is connected by setting core assembly to form hard sealing
Connect, improve service life, be easily installed and safeguard, directly can repair reversal valve by changing plug-in hydraulic package, subtract
The cost for making and repairing is lacked, simple in construction, flow is big, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides following technical scheme：
A kind of hand-operated direction valve, including valve body and operating mechanism, the operating mechanism is connected with the upper end of valve body, described
Operating mechanism is internally provided with two identical briquettings, and the briquetting has been connected respectively two identical core assemblies,
The core assembly includes upper valve sleeve, push rod, valve element, spring and lower valve sleeve, and the push rod is set in upper valve sleeve, and push rod passes through
Upper valve sleeve is fixed on the inner upper end of valve body, the lower end connection valve element of push rod, and the upper end outside of the valve element is provided with sealing block,
For the spring around being located on the outside of the middle part of valve element, spring is brought into close contact valve element, and one end connection sealing of spring by lower valve sleeve
Block, the other end connection lower valve sleeve of spring, the lower valve sleeve are respectively connected with ferrule fitting with valve element, and the ferrule fitting includes card
Set nipple and cutting ferrule coupling, the top of the cutting ferrule nipple be located inside the lower end of valve body, and with lower valve sleeve and valve element
Bottom be connected, the bottom of cutting ferrule coupling clamping cutting ferrule nipple.
As further program of the utility model：The upper valve sleeve is connected with lower valve sleeve.
As further program of the utility model：O is provided between the upper valve sleeve and push rod, valve element and lower valve sleeve
Shape circle and back-up ring.
As further program of the utility model：The sealing block and valve element, cutting ferrule nipple and valve body, core assembly
O-ring is provided between valve body.
Compared with prior art, the utility model beneficial effect：
This hand-operated direction valve, operating mechanism are internally provided with two identical briquettings, and briquetting has been connected respectively two
Individual identical core assembly, for spring around being located on the outside of the middle part of valve element, spring is brought into close contact valve element by lower valve sleeve, and spring
One end connects sealing block, the other end connection lower valve sleeve of spring, forms hard sealed connection, improves service life, be easily installed
And maintenance, reversal valve directly can be repaired by changing plug-in hydraulic package, reduce the cost for making and repairing, structure letter
Single, flow is big.
Brief description of the drawings
Fig. 1 is cross-sectional view of the present utility model.
In figure：1- valve bodies；2- operating mechanisms；20- briquettings；3- core assemblies；30- upper valve sleeves；31- push rods；32- valve elements；
33- springs；34- lower valve sleeves；4- sealing blocks；5- ferrule fittings；50- cutting ferrule nipples；51- cutting ferrule couplings.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Referring to Fig. 1, in the utility model embodiment, a kind of hand-operated direction valve, including valve body 1 and operating mechanism 2, manipulate
Mechanism 2 is connected with the upper end of valve body 1, and operating mechanism 2 is internally provided with two identical briquettings 20, and briquetting 20 corresponds to respectively
Two identical core assemblies 3 are connected with, core assembly 3 includes upper valve sleeve 30, push rod 31, valve element 32, spring 33 and lower valve sleeve
34, push rod 31 is set in upper valve sleeve 30, and push rod 31 is fixed on the inner upper end of valve body 1 by upper valve sleeve 30, under push rod 31
End connection valve element 32, the upper end outside of valve element 32 are provided with sealing block 4, and spring 33 is around the middle part outside for being located at valve element 32, spring
33 are brought into close contact valve element 32, and one end connection sealing block 4 of spring 33, the other end connection lower valve of spring 33 by lower valve sleeve 34
Set 34, upper valve sleeve 30 is connected with lower valve sleeve 34, and O is provided between upper valve sleeve 30 and push rod 31, valve element 32 and lower valve sleeve 34
Shape circle and back-up ring, lower valve sleeve 34 are respectively connected with ferrule fitting 5 with valve element 32, and ferrule fitting 5 includes cutting ferrule nipple 50 and cutting ferrule
Coupling 51, the top of cutting ferrule nipple 50 are located inside the lower end of valve body 1, and with the bottom phase of lower valve sleeve 34 and valve element 32
Even, the bottom of the clamping cutting ferrule nipple 50 of cutting ferrule coupling 51, sealing block 4 and valve element 32, cutting ferrule nipple 50 and valve body 1, valve
It is provided with O-ring between core assembly 3 and valve body 1, this hand-operated direction valve, when needing work to be, operating mechanism 2 is by the top of side
Bar 31 is depressed, and the end of push rod 31 and the front end of valve element 32, which form sealing pair, prevents that high-voltage oil liquid from flowing to back to the fluid chamber, at the same valve element 32 with
Sealing block 4 separates, and the liquid in high pressure chest is entered working chamber interface, lever 9 draws the push rod 7 of opposite side by being open by force
Go out, make back liquid more smooth, dispensed by changing accessory, core assembly 3 is done integral, be easily installed and safeguard, can directly lead to
Replacing plug-in hydraulic package is crossed to repair reversal valve, reduces the cost for making and repairing, valve element 32, spring 33, sealing block 4
Hard sealed connection is formed with lower valve sleeve 34, improves service life, simple in construction, flow is big.
In summary：This hand-operated direction valve, operating mechanism 2 are internally provided with two identical briquettings 20, and briquetting 20 divides
Two identical core assemblies 3 Dui Ying be connected with, for spring 33 around being located on the outside of the middle part of valve element 32, spring 33 passes through lower valve sleeve
34 are brought into close contact valve element 32, and one end connection sealing block 4 of spring 33, the other end connection lower valve sleeve 34 of spring 33, are formed hard
It is tightly connected, improves service life, be easily installed and safeguard, directly can repairs commutation by changing plug-in hydraulic package
Valve, reduce the cost for making and repairing, simple in construction, flow is big.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (4)
1. a kind of hand-operated direction valve, including valve body (1) and operating mechanism (2), it is characterised in that：The operating mechanism (2) and valve
The upper end of body (1) is connected, and the operating mechanism (2) is internally provided with two identical briquettings (20), the briquetting (20)
Two identical core assemblies (3) are connected respectively, the core assembly (3) includes upper valve sleeve (30), push rod (31), valve
Core (32), spring (33) and lower valve sleeve (34), the push rod (31) are set in upper valve sleeve (30), and push rod (31) passes through upper valve sleeve
(30) inner upper end of valve body (1), the lower end connection valve element (32) of push rod (31), the upper end outside of the valve element (32) are fixed on
Sealing block (4) is provided with, for the spring (33) around being located on the outside of the middle part of valve element (32), spring (33) is tight by lower valve sleeve (34)
Closely connected conjunction valve element (32), and one end connection sealing block (4) of spring (33), the other end connection lower valve sleeve (34) of spring (33),
The lower valve sleeve (34) is respectively connected with ferrule fitting (5) with valve element (32), and the ferrule fitting (5) includes cutting ferrule nipple (50)
With cutting ferrule coupling (51), the top of the cutting ferrule nipple (50) is located inside the lower end of valve body (1), and with lower valve sleeve (34)
It is connected with the bottom of valve element (32), the bottom of cutting ferrule coupling (51) clamping cutting ferrule nipple (50).
A kind of 2. hand-operated direction valve according to claim 1, it is characterised in that：The upper valve sleeve (30) and lower valve sleeve (34)
It is connected.
A kind of 3. hand-operated direction valve according to claim 1, it is characterised in that：The upper valve sleeve (30) and push rod (31),
O-ring and back-up ring are provided between valve element (32) and lower valve sleeve (34).
A kind of 4. hand-operated direction valve according to claim 1, it is characterised in that：The sealing block (4) and valve element (32), card
O-ring is provided between set nipple (50) and valve body (1), core assembly (3) and valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721051728.2U CN207212376U (en) | 2017-08-22 | 2017-08-22 | A kind of hand-operated direction valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721051728.2U CN207212376U (en) | 2017-08-22 | 2017-08-22 | A kind of hand-operated direction valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207212376U true CN207212376U (en) | 2018-04-10 |
Family
ID=61816069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721051728.2U Active CN207212376U (en) | 2017-08-22 | 2017-08-22 | A kind of hand-operated direction valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207212376U (en) |
-
2017
- 2017-08-22 CN CN201721051728.2U patent/CN207212376U/en active Active
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