CN207762275U - A kind of constant pressure delivery valve of adopting guiding structure - Google Patents
A kind of constant pressure delivery valve of adopting guiding structure Download PDFInfo
- Publication number
- CN207762275U CN207762275U CN201820130585.2U CN201820130585U CN207762275U CN 207762275 U CN207762275 U CN 207762275U CN 201820130585 U CN201820130585 U CN 201820130585U CN 207762275 U CN207762275 U CN 207762275U
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- CN
- China
- Prior art keywords
- valve
- fixedly installed
- valve body
- seal
- guide post
- 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 - Fee Related
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Abstract
The utility model discloses a kind of constant pressure delivery valves of adopting guiding structure, including valve seat, valve body, oil inlet pipe and flowline, the valve body is fixed at the top of valve seat, the oil inlet pipe is fixed at valve body one end, the flowline is fixed at the valve body other end, it is fixedly installed sealed compartment among the body cavity, the sealed compartment luminal wall surface is fixedly installed No.1 gasket, the sealed compartment inner cavity is movably set with seal, the body top is fixedly installed guide post, and the guide post inner cavity is movably set with valve rod.Unlatching and closure of the utility model by lever principle application valve body, operation is more laborsaving, valve rod is fixed by guide frame simultaneously, it is easy to operate, it is easy to use, while flowline is identical with oil inlet pipe size, and seal can be taken in sealed compartment completely, isobaric discharge can be carried out, oil extraction efficiency can be effectively increased, is suitble to be widely popularized and used.
Description
Technical field
The utility model is related to a kind of delivery valve, more particularly to a kind of constant pressure delivery valve of adopting guiding structure.
Background technology
One way valve mechanism is set in constant pressure delivery valve, generally comprises delivery valve seat and fuel-displaced spool.Fuel-displaced spool is separate
The side of delivery valve seat is equipped with spring cavity, and isobaric valve spring is equipped in spring cavity.Spring cavity one end open, opening are equipped with upper valve
Seat.Be equipped with steel ball between lower valve base and isobaric valve spring, the inner wall of constant pressure valve spring one end and spring cavity abuts against, the other end with
Steel ball abuts against cooperation.
It without guide frame, and is that the mode of rotation hand wheel closes valve body to be all how during sub- routine use
Closing and opening opens, and very arduously, and inconvenient, while the spherical seal in valve body is unfavorable for sealing, and be difficult to keep with it is fuel-displaced
Valve is coaxial, influences the sealing effect of steel ball.For this purpose, it is proposed that a kind of constant pressure delivery valve of adopting guiding structure.
Utility model content
The main purpose of the utility model is to provide a kind of constant pressure delivery valves of adopting guiding structure, pass through lever principle control
The unlatching of valve body processed and closure, operation is more laborsaving, while valve rod being fixed by guide frame, easy to operate, makes
With convenient, while flowline is identical with oil inlet pipe size, and seal can be taken in sealed compartment completely, can carry out isobaric discharge,
It can be effectively increased oil extraction efficiency, be suitble to be widely popularized and used, can effectively solve the problems in background technology.
To achieve the above object, the technical solution that the utility model is taken is：
A kind of constant pressure delivery valve of adopting guiding structure, including valve seat, valve body, oil inlet pipe and flowline, the valve body are fixed
It is arranged at the top of valve seat, the oil inlet pipe is fixed at valve body one end, and the flowline is fixed at the valve body other end, institute
It states and is fixedly installed sealed compartment among body cavity, the sealed compartment luminal wall surface is fixedly installed No.1 gasket, described
Sealed compartment inner cavity is movably set with seal, and the body top is fixedly installed guide post, and guide post inner cavity activity is set
It is equipped with valve rod, is fixedly linked at the top of the stem bottom and seal, sealing is fixedly installed among the guide post internal chamber wall
It encloses, No.1 mounting hole is fixedly installed at the top of the guiding outer surface of column side, and No.1 mounting hole runs through guide post cavity wall,
The stem exterior surface side is fixedly installed No. two mounting holes, and No. two mounting hole bottoms are fixedly installed No. three fixations
Hole.
Further, the seal is square the seal of shape, and seal bottom be fixedly installed No. two it is close
Packing.
Further, No.1 mounting hole inner cavity is movably set with guide pin.
Further, the other end of the guide post external surface top is fixedly connected with holder, the rack upper surface one
End is connected with compression bar, and valve stem top is movably connected with compression bar.
Further, the oil inlet pipe is identical with the size of flowline, and the volume of the sealed compartment is seal volume
Two times.
Compared with prior art, the utility model has the advantages that：
1. by lever principle, the valve rod to be connected by compression bar bottom drives seal to be transported downwards from sealed compartment
It is dynamic, until at seal bottom and body cavity bottom connection, it is same flat to make No.1 mounting hole and No. two mounting holes be in
On face, and guide pin is injected in No.1 mounting hole and No. two mounting holes, valve body is blocked, wherein sealed compartment internal chamber wall table
Face is fixedly installed No.1 gasket, and seal bottom is fixedly installed No. two gaskets, close by No.1 gasket and No. two
Gap of the packing between valve body and seal blocks, and is carried out by gap of the sealing ring between guide post and valve rod
Sealing, and seal and sealed compartment are square structure, make more to be bonded between gasket and seal, can effectively enhance valve
The leakproofness of body, while by lever principle, operation is more laborsaving.
2. need fuel feeding, guide pin is extracted, up pressure-raising bar, so that No.1 mounting hole and No. three mounting holes is in same
Highly, it injects guide pin valve rod and seal is fixed, oil plant is discharged from flowline, flowline and oil inlet pipe size phase
Together, and seal can be taken in sealed compartment completely, can be carried out isobaric discharge, can be effectively increased oil extraction efficiency.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of the constant pressure delivery valve of adopting guiding structure of the utility model.
Fig. 2 is a kind of stem structure schematic diagram of the constant pressure delivery valve of adopting guiding structure of the utility model.
In figure：1, valve seat；2, valve body；3, oil inlet pipe；4, flowline；5, sealed compartment；6, No.1 gasket；7, seal；
8, No. two gaskets；9, guide post；10, valve rod；11, sealing ring；12, No.1 mounting hole；13, No. two mounting holes；14, consolidate for No. three
Determine hole；15, guide pin；16, holder；17, compression bar.
Specific implementation mode
To make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, below
In conjunction with specific implementation mode, the utility model is expanded on further.
As shown in Figs. 1-2, a kind of constant pressure delivery valve of adopting guiding structure, including valve seat 1, valve body 2, oil inlet pipe 3 and fuel-displaced
Pipe 4, the valve body 2 are fixed at 1 top of valve seat, and the oil inlet pipe 3 is fixed at 2 one end of valve body, and the flowline 4 is solid
Fixed setting is fixedly installed sealed compartment 5,5 luminal wall surface of the sealed compartment among 2 other end of valve body, 2 inner cavity of the valve body
It is fixedly installed No.1 gasket 6,5 inner cavity of the sealed compartment is movably set with seal 7,2 top fixed setting of the valve body
There are guide post 9,9 inner cavity of the guide post to be movably set with valve rod 10,10 bottom of the valve rod and 7 top stationary phase of seal
Even, sealing ring 11 is fixedly installed among 9 internal chamber wall of the guide post, the top of 9 outer surface side of the guide post, which is fixed, to be set
It is equipped with No.1 mounting hole 12, and No.1 mounting hole 12 runs through 9 cavity wall of guide post, 10 outer surface side of the valve rod is fixedly installed
No. two mounting holes 13,13 bottom of No. two mounting holes are fixedly installed No. three mounting holes 14.
Wherein, the seal 7 is square the seal 7 of shape, and 7 bottom of seal is fixedly installed No. two sealings
Pad 8.
Wherein, 12 inner cavity of No.1 mounting hole is movably set with guide pin 15.
Wherein, the other end of 9 external surface top of the guide post is fixedly connected with holder 16,16 upper surface one of the holder
End is connected with compression bar 17, and 10 top of valve rod is movably connected with compression bar 17.
Wherein, the oil inlet pipe 3 is identical with the size of flowline 4, and the volume of the sealed compartment 5 is 7 volume of seal
Two times.
It should be noted that the utility model is a kind of constant pressure delivery valve of adopting guiding structure, and when work, 2 bottom of valve body
It is fixed by valve seat 1, oil plant is entered by feed pipe 3 after valve body 2 to be discharged by discharge nozzle 4, and 2 top of valve body is fixedly installed
Guide post 9, and valve rod 10 is movably set in guide post 9,9 outer surface side of guide post is fixedly installed holder 16, and holder
16 upper surfaces one end are connected with compression bar 17, and user is by one end of lower moulded rod 17, by lever principle, to pass through
The valve rod 10 of 17 bottom of compression bar connection drives seal 7 to be moved downward from sealed compartment 5, until in 7 bottom of seal and valve body 2
Bottom of chamber portion joint to make No.1 mounting hole 12 and No. two mounting holes 13 be in the same plane, and guide pin 15 is injected
Valve body 2 is blocked in No.1 mounting hole 12 and No. two mounting holes 13, wherein 5 luminal wall surface of sealed compartment is fixedly installed one
Number gasket 6,7 bottom of seal is fixedly installed No. two gaskets 8, by No.1 gasket 6 and No. two gaskets 8 to valve body
Gap between 2 and seal 7 is blocked, and close by gap progress of the sealing ring 11 between guide post 9 and valve rod 10
Envelope, and seal 7 and sealed compartment 5 are square structure, make more to be bonded between gasket and seal 7, can effectively enhance
The leakproofness of valve body 2, while by lever principle, operation is more laborsaving, when needing fuel feeding, guide pin 15 is extracted, up
Pressure-raising bar 17 makes No.1 mounting hole 12 and No. three mounting holes 14 be in sustained height, injects guide pin 15 to valve rod 10 and sealing
Body 7 is fixed, oil plant from flowline 4 be discharged, flowline 4 is identical with 3 size of oil inlet pipe, and seal 7 can take in completely it is close
In batten down 5, isobaric discharge can be carried out, oil extraction efficiency can be effectively increased.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (5)
1. a kind of constant pressure delivery valve of adopting guiding structure, including valve seat (1), valve body (2), oil inlet pipe (3) and flowline (4), institute
It states valve body (2) to be fixed at the top of valve seat (1), the oil inlet pipe (3) is fixed at valve body (2) one end, the flowline
(4) it is fixed at valve body (2) other end, it is characterised in that：It is fixedly installed sealed compartment (5) among valve body (2) inner cavity,
Sealed compartment (5) luminal wall surface is fixedly installed No.1 gasket (6), and sealed compartment (5) inner cavity is movably set with close
Body (7) is sealed, is fixedly installed guide post (9) at the top of the valve body (2), guide post (9) inner cavity is movably set with valve rod
(10), it is fixedly linked at the top of valve rod (10) bottom and seal (7), fixed setting among guide post (9) internal chamber wall
There is sealing ring (11), is fixedly installed No.1 mounting hole (12) at the top of guide post (9) the outer surface side, and No.1 is fixed
Guide post (9) cavity wall is run through in hole (12), and valve rod (10) the outer surface side is fixedly installed No. two mounting holes (13), and described two
Number mounting hole (13) bottom is fixedly installed No. three mounting holes (14).
2. a kind of constant pressure delivery valve of adopting guiding structure according to claim 1, it is characterised in that：The seal (7)
It is square the seal of shape, and seal (7) bottom is fixedly installed No. two gaskets (8).
3. a kind of constant pressure delivery valve of adopting guiding structure according to claim 1, it is characterised in that：The No.1 mounting hole
(12) inner cavity is movably set with guide pin (15).
4. a kind of constant pressure delivery valve of adopting guiding structure according to claim 1, it is characterised in that：The guide post (9)
The other end of external surface top is fixedly connected with holder (16), and described holder (16) upper surface one end is connected with compression bar
(17), it and at the top of valve rod (10) is movably connected with compression bar (17).
5. a kind of constant pressure delivery valve of adopting guiding structure according to claim 1, it is characterised in that：The oil inlet pipe (3)
Identical with the size of flowline (4), the volume of the sealed compartment (5) is two times of seal (7) volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820130585.2U CN207762275U (en) | 2018-01-26 | 2018-01-26 | A kind of constant pressure delivery valve of adopting guiding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820130585.2U CN207762275U (en) | 2018-01-26 | 2018-01-26 | A kind of constant pressure delivery valve of adopting guiding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207762275U true CN207762275U (en) | 2018-08-24 |
Family
ID=63181869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820130585.2U Expired - Fee Related CN207762275U (en) | 2018-01-26 | 2018-01-26 | A kind of constant pressure delivery valve of adopting guiding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207762275U (en) |
-
2018
- 2018-01-26 CN CN201820130585.2U patent/CN207762275U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180824 Termination date: 20200126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |