CN208804064U - A kind of Novel overflow valve structure - Google Patents
A kind of Novel overflow valve structure Download PDFInfo
- Publication number
- CN208804064U CN208804064U CN201821565534.9U CN201821565534U CN208804064U CN 208804064 U CN208804064 U CN 208804064U CN 201821565534 U CN201821565534 U CN 201821565534U CN 208804064 U CN208804064 U CN 208804064U
- Authority
- CN
- China
- Prior art keywords
- installation cavity
- screw thread
- adjusting
- shoe cream
- cream room
- 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
Links
Landscapes
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The utility model discloses a kind of Novel overflow valve structure, including valve body, the valve inner is disposed with the first installation cavity, shoe cream room and the second installation cavity, and the inner wall of the shoe cream room is provided through oil outlet, is depressured for hydraulic oil to be discharged；The inner wall of first installation cavity and second installation cavity is provided with internal screw thread, adjusting head is equipped with by screw thread inside first installation cavity, the first side of adjusting is provided with connecting pin, for realizing the installation for adjusting head, oiling chamber is provided through inside the adjusting head and the connecting pin；Piston component and holddown spring are installed inside the shoe cream room, oiling chamber is sealed for pressing the piston component, adjusting component is equipped with by screw thread inside second installation cavity.Beneficial effect is: can be realized the dual regulation of set pressure, adjusting is simple and convenient, and adjustable range is big, can satisfy different set pressure demands, facilitates the scope of application of expansion instrument.
Description
Technical field
The utility model relates to hydraulic device technical fields, and in particular to a kind of Novel overflow valve structure.
Background technique
In hydraulic system, overflow valve is an important safety protection component, and level pressure is mainly played in hydraulic device and is overflow
Stream, pressure stabilizing, system unloaded and safeguard protection effect.But current overflow valve adjusts set pressure, regulating effect using substance
It is undesirable, it is unable to satisfy different set pressure demands.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of Novel overflow valve structure, to solve
Current overflow valve adjusts set pressure using substance in the prior art, and regulating effect is undesirable, is unable to satisfy different setting
The technical problems such as pressure demand.Preferred technical solution can be realized setting pressure in many technical solutions provided by the utility model
The dual regulation of power, adjusting is simple and convenient, and adjustable range is big, can satisfy different set pressure demands, helps to expand
The technical effects such as the scope of application of big device, elaboration as detailed below.
To achieve the above object, the utility model provides following technical scheme:
A kind of Novel overflow valve structure provided by the utility model, including valve body, the valve inner are disposed with
One installation cavity, shoe cream room and the second installation cavity, first installation cavity, the shoe cream room and second installation cavity are sequentially connected
It is logical；The inner wall of the shoe cream room is provided through oil outlet, and the oil outlet is connected by oil guide pipe with fuel tank, for being discharged
Hydraulic oil is depressured；
The inner wall of first installation cavity and second installation cavity is provided with internal screw thread, inside first installation cavity
Adjusting head is installed by screw thread, the first side of adjusting is provided with connecting pin, is provided with external screw thread on the outside of the connecting pin, and
It is meshed with the internal screw thread of the first installation cavity wall, for realizing the installation for adjusting head, the adjusting head and the connection
End is internal to be provided through oiling chamber；
Piston component and holddown spring are installed inside the shoe cream room, for press the piston component to oiling chamber into
Row sealing, the second installation cavity inside is equipped with adjusting component by screw thread, for adjusting the stroke of the holddown spring.
Using a kind of above-mentioned Novel overflow valve structure, when use device, so that the oiling chamber is connected with hydraulic circuit, make
The oil outlet is connected with fuel tank, pushes the piston component to carry out the oiling chamber by the elastic force of the holddown spring
Sealing, when the oil pressure of hydraulic circuit is less than the elastic force of the holddown spring, the oiling chamber is in sealing state, works as hydraulic oil
When the oil pressure on road is greater than the elastic force of the holddown spring, hydraulic oil overcomes the elastic force of the holddown spring to push the piston component
It is moved inside to the shoe cream room, realizes the unlatching of the oiling chamber, hydraulic oil enters the shoe cream room by the oiling chamber
Inside is discharged into fuel tank internal eventually by the oil outlet, to guarantee the stabilization of hydraulic circuit oil pressure；It is adjusted
When the adjusting of constant-pressure, by holddown spring described in the adjusting components drive, the collapsing length of the holddown spring is realized
It adjusts, to realize that the one of set pressure resets section, screws the adjusting head, change the adjusting head in first installation cavity
Internal elongation, realizes the adjusting of the collapsing length of the holddown spring, to realize the double adjusting of set pressure, device
It can be realized the double adjusting of set pressure, it is simple and convenient, it can satisfy different set pressure demands, help to expand
The scope of application of device.
Preferably, the adjusting component includes mounting base, the mounting base is at step structure, the outside of the mounting base
It is provided with external screw thread, and is meshed with the internal screw thread of second installation cavity, it is logical through screw thread is equipped with inside the mounting base
Hole, the tapped through hole inside are equipped with adjusting bolt by screw thread, and the inner end for adjusting bolt is protruded into the shoe cream room
Portion, the inner end for adjusting bolt are equipped with sealing plate, and the lateral surface of the sealing plate is in contact with the holddown spring.
Preferably, the outer diameter of the sealing plate is equal with the internal diameter of the shoe cream room, and matched using gap
It closes.
Preferably, the outer circle side of the sealing plate is embedded with sealing ring.
Preferably, the piston component includes baffle, the baffle is outside close to the side of first installation cavity
Face, the baffle are medial surface, the medial surface of the baffle and the holddown spring phase close to the side of second installation cavity
Contact, the lateral surface of the baffle are equipped with sealing column, and the end of the sealing column is pyramidal structure, for the oiling chamber
It is sealed.
Preferably, the outer diameter of the baffle is less than the internal diameter of the shoe cream room.
Preferably, the medial surface of the baffle is equipped with positioning column, the positioning column is protruded into inside the holddown spring,
For being positioned to holddown spring.
Beneficial effect is: it can be realized the dual regulation of set pressure, adjusting is simple and convenient, and adjustable range is big,
It can satisfy different set pressure demands, facilitate the scope of application of expansion instrument.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the front sectional view of the utility model；
Fig. 2 is the valve body front sectional view of the utility model；
Fig. 3 is the adjusting head front sectional view of the utility model；
Fig. 4 is the piston component main view of the utility model；
Fig. 5 is the adjusting component main view of the utility model.
The reference numerals are as follows:
1, head is adjusted；101, oiling chamber；102, connecting pin；2, piston component；201, sealing column；202, baffle；203, fixed
Position column；3, holddown spring；4, valve body；401, the first installation cavity；402, oil outlet；403, shoe cream room；404, the second installation cavity；5,
Adjust component；501, sealing plate；502, mounting base；503, bolt is adjusted；504, tapped through hole；505, sealing ring.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
Referring to shown in Fig. 1-Fig. 5, the utility model provides a kind of Novel overflow valve structure, including valve body 4, in valve body 4
Portion is disposed with the first installation cavity 401, shoe cream room 403 and the second installation cavity 404, the first installation cavity 401,403 and of shoe cream room
Second installation cavity 404 is sequentially connected logical；The inner wall of shoe cream room 403 is provided through oil outlet 402, and oil outlet 402 passes through Oil Guide
Pipe is connected with fuel tank, is depressured for hydraulic oil to be discharged；
The inner wall of first installation cavity 401 and the second installation cavity 404 is provided with internal screw thread, leads to inside the first installation cavity 401
It crosses screw thread and is equipped with and adjust head 1, adjust 1 side of head and be provided with connecting pin 102, be provided with external screw thread on the outside of connecting pin 102, and with
The internal screw thread of first installation cavity, 401 inner wall is meshed, and for realizing the installation for adjusting head 1, adjusts inside head 1 and connecting pin 102
It is provided through oiling chamber 101；
Piston component 2 and holddown spring 3 are installed, for pressing piston component 2 to oiling chamber 101 inside shoe cream room 403
It is sealed, is equipped with inside the second installation cavity 404 by screw thread and adjusts component 5, for adjusting the stroke of holddown spring 3.
As optional embodiment, adjusting component 5 includes mounting base 502, and mounting base 502 is at step structure, mounting base
502 outside is provided with external screw thread, and is meshed with the internal screw thread of the second installation cavity 404, runs through inside mounting base 502 and is equipped with
Tapped through hole 504 is equipped with inside tapped through hole 504 by screw thread and adjusts bolt 503, and storage is protruded into the inner end for adjusting bolt 503
Inside oil pocket 403, the inner end for adjusting bolt 503 is equipped with sealing plate 501, and the lateral surface of sealing plate 501 connects with holddown spring 3
Touching, rotation adjust bolt 503, make to adjust position of the drive sealing plate 501 of bolt 503 inside shoe cream room 403, realize and compress bullet
The adjusting of the stroke of spring 3, to realize the adjusting of set pressure；
The outer diameter of sealing plate 501 is equal with the internal diameter of shoe cream room 403, and is gap-matched, and is arranged in this way
Sealing plate 501 can be made to come into full contact with 403 inner wall of shoe cream room, it is auxiliary convenient for making sealing plate 501 in 403 internal slide of shoe cream room
The adjusting for realizing set pressure is helped, while can guarantee the leakproofness between sealing plate 501 and shoe cream room 403, prevents from revealing；
The outer circle side of sealing plate 501 is embedded with sealing ring 505, and setting in this way can be improved sealing plate 501 and shoe cream room 403
Between sealing effect, prevent from revealing；
Piston component 2 includes baffle 202, and baffle 202 is lateral surface close to the side of the first installation cavity 401, and baffle 202 leans on
The side of nearly second installation cavity 404 is medial surface, and the medial surface of baffle 202 is in contact with holddown spring 3, the outside of baffle 202
Face is equipped with sealing column 201, and the end of sealing column 201 utilizes compression for being sealed to oiling chamber 101 for pyramidal structure
Spring 3 pushes baffle 202, realizes sealing of the sealing column 201 to oiling chamber 101, assists the voltage regulation result of realization device；
The outer diameter of baffle 202 is less than the internal diameter of shoe cream room 403, and setting in this way passes through oiling chamber convenient for hydraulic oil
101 rapidly enter and are full of inside shoe cream room 403, help to improve the voltage regulation result of device；
The medial surface of baffle 202 is equipped with positioning column 203, and positioning column 203 protrudes into inside holddown spring 3, for compression
Spring 3 is positioned, and setting in this way can guarantee that holddown spring 3 is contacted with baffle 202 always, guarantees holddown spring 3 to baffle
202 thrust effect.
Using the above structure, when use device, oiling chamber 101 is made to be connected with hydraulic circuit, makes oil outlet 402 and fuel tank
It is connected, pushes piston component 2 to be sealed oiling chamber 101 by the elastic force of holddown spring 3, when the oil pressure of hydraulic circuit is small
When the elastic force of holddown spring 3, oiling chamber 101 is in sealing state, when the oil pressure of hydraulic circuit is greater than the elastic force of holddown spring 3
When, hydraulic oil overcomes the elastic force of holddown spring 3 to push piston component 2 to moving inside shoe cream room 403, realizes oiling chamber 101
It opens, hydraulic oil is entered inside shoe cream room 403 by oiling chamber 101, it is discharged into fuel tank internal eventually by oil outlet 402,
To guarantee the stabilization of hydraulic circuit oil pressure；When needing to carry out the adjusting of set pressure, holddown spring is pushed by adjusting component 5
3, it realizes the adjusting of the collapsing length of holddown spring 3, to realize that the one of set pressure resets section, screws and adjust head 1, change and adjust
Elongation of the section header 1 inside the first installation cavity 401, realizes the adjusting of the collapsing length of holddown spring 3, to realize setting pressure
The double adjusting of power, device can be realized the double adjusting of set pressure, simple and convenient, can satisfy different setting pressures
Power demand facilitates the scope of application of expansion instrument.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (7)
1. a kind of Novel overflow valve structure, including valve body (4), it is characterised in that: be disposed with first inside the valve body (4)
Installation cavity (401), shoe cream room (403) and the second installation cavity (404), first installation cavity (401), the shoe cream room (403)
It is sequentially connected with second installation cavity (404) logical；The inner wall of the shoe cream room (403) is provided through oil outlet (402), institute
It states oil outlet (402) to be connected by oil guide pipe with fuel tank, be depressured for hydraulic oil to be discharged；
The inner wall of first installation cavity (401) and second installation cavity (404) is provided with internal screw thread, first installation
Internal be equipped with by screw thread of chamber (401) adjusts head (1), and adjusting head (1) side is provided with connecting pin (102), the company
It connects and is provided with external screw thread on the outside of end (102), and be meshed with the internal screw thread of the first installation cavity (401) inner wall, for realizing
The installation of head (1) is adjusted, is provided through oiling chamber (101) inside the adjusting head (1) and the connecting pin (102)；
Piston component (2) and holddown spring (3) are installed inside the shoe cream room (403), for pressing the piston component (2)
Oiling chamber (101) is sealed, internal be equipped with by screw thread of second installation cavity (404) adjusts component (5), for adjusting
Save the stroke of the holddown spring (3).
2. a kind of Novel overflow valve structure according to claim 1, it is characterised in that: the adjusting component (5) includes installation
Seat (502), the mounting base (502) are provided with external screw thread at step structure on the outside of the mounting base (502), and with it is described
The internal screw thread of second installation cavity (404) is meshed, and runs through inside the mounting base (502) and is equipped with tapped through hole (504), described
Internal be equipped with by screw thread of tapped through hole (504) adjusts bolt (503), and the inner end for adjusting bolt (503) is protruded into described
Shoe cream room (403) is internal, and the inner end for adjusting bolt (503) is equipped with sealing plate (501), outside the sealing plate (501)
Side is in contact with the holddown spring (3).
3. a kind of Novel overflow valve structure according to claim 2, it is characterised in that: the outer diameter ruler of the sealing plate (501)
It is very little equal with the internal diameter of the shoe cream room (403), and be gap-matched.
4. a kind of Novel overflow valve structure according to claim 3, it is characterised in that: the outer circle side of the sealing plate (501)
It is embedded with sealing ring (505).
5. a kind of Novel overflow valve structure according to claim 1, it is characterised in that: the piston component (2) includes baffle
(202), the baffle (202) is lateral surface close to the side of first installation cavity (401), and the baffle (202) is close to institute
The side for stating the second installation cavity (404) is medial surface, and the medial surface of the baffle (202) is in contact with the holddown spring (3),
The lateral surface of the baffle (202) is equipped with sealing column (201), and the end of the sealing column (201) is pyramidal structure, for pair
The oiling chamber (101) is sealed.
6. a kind of Novel overflow valve structure according to claim 5, it is characterised in that: the outer diameter of the baffle (202)
Less than the internal diameter of the shoe cream room (403).
7. a kind of Novel overflow valve structure according to claim 5, it is characterised in that: the medial surface of the baffle (202) is pacified
Equipped with positioning column (203), the positioning column (203) protrudes into the holddown spring (3) inside, for carrying out to holddown spring (3)
Positioning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821565534.9U CN208804064U (en) | 2018-09-25 | 2018-09-25 | A kind of Novel overflow valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821565534.9U CN208804064U (en) | 2018-09-25 | 2018-09-25 | A kind of Novel overflow valve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208804064U true CN208804064U (en) | 2019-04-30 |
Family
ID=66237481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821565534.9U Expired - Fee Related CN208804064U (en) | 2018-09-25 | 2018-09-25 | A kind of Novel overflow valve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208804064U (en) |
-
2018
- 2018-09-25 CN CN201821565534.9U patent/CN208804064U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208804064U (en) | A kind of Novel overflow valve structure | |
| CN209678846U (en) | A kind of miniature screw thread formula relief valve and the contained eustachian tube with the relief valve | |
| CN208935056U (en) | A kind of Direct Action Type anti-cavitation overflow valve | |
| CN212838299U (en) | Novel power valve for axial plunger pump | |
| CN213510993U (en) | Constant pressure oil transfer pump capable of balancing pressure difference | |
| CN215486200U (en) | Filter assembly adopting plunger type pressure regulating valve | |
| CN210566502U (en) | Air circuit pressure regulating valve for air compressor | |
| CN212273175U (en) | High-precision low-pressure reducing valve easy to adjust | |
| CN209892437U (en) | Plunger mounting structure of plunger pump | |
| CN211231742U (en) | Control pressure regulating valve | |
| CN217381389U (en) | Pressure relief adjusting structure of booster master cylinder | |
| CN212898754U (en) | Throttle valve | |
| CN221033050U (en) | Displacement control valve with power override negative control | |
| CN217603433U (en) | Hand pump with pilot pressure limiting valve | |
| CN220488391U (en) | Pressure regulating valve with adjustable spring elasticity | |
| CN219570983U (en) | Pressure reducing valve special for aviation equipment | |
| CN209875603U (en) | High-precision hydraulic valve | |
| CN216591002U (en) | Positive displacement quantitative distributor | |
| CN209911836U (en) | Pressure control device | |
| CN211901146U (en) | FLR type power control valve with load sensing function | |
| CN220016202U (en) | Novel overflow valve | |
| CN218407626U (en) | Plunger type carburetor | |
| CN219774914U (en) | High-pressure interception control device | |
| CN219246590U (en) | Pressure-adjustable power switch assembly | |
| CN215487871U (en) | Large-flow balance valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190430 Termination date: 20200925 |