CN207777693U - A kind of check-valves - Google Patents
A kind of check-valves Download PDFInfo
- Publication number
- CN207777693U CN207777693U CN201820064064.1U CN201820064064U CN207777693U CN 207777693 U CN207777693 U CN 207777693U CN 201820064064 U CN201820064064 U CN 201820064064U CN 207777693 U CN207777693 U CN 207777693U
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- CN
- China
- Prior art keywords
- valve seat
- valve
- spool
- valve body
- type head
- 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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- Check Valves (AREA)
- Details Of Valves (AREA)
Abstract
A kind of check-valves, is related to valve field.Including valve body, one end of valve body is medium entrance end, the other end is media outlet end, valve seat, spool and spring base are disposed in valve body, spring is provided between spool and spring base, valve seat is provided centrally with pilot hole, and valve seat is circumferentially provided with medium flow field through-hole, one end of valve seat towards spool is provided with conical seal (contact) face, and spring base connect with valve body screw thread and is provided with medium flow field through-hole；Spool is made of the taper type head being coaxially set and cylindrical tail portion, the center on taper type head is connected with the guide rod being equipped in valve seat pilot hole, the conical seal (contact) face of taper type head and valve seat forms the first sealing pair, the cylindrical tail portion fits to form the second sealing pair towards the periphery of one end of valve seat and the end face of spool, ensures that the utility model has good sealing effect.
Description
Technical field
The utility model is related to valve field, specially a kind of check-valves.
Background technology
Check-valves is that fluid media (medium) can only flow in one direction in a kind of control piper, mustn't its reversely flow backwards it is unidirectional
Open and close valve.General check-valves is made of valve body and the valve seat being installed in valve body, spool, spring base, spring, when pipeline one
When end pressure is big, the open-top spool of spring pressure is overcome so that valve body is connected, when reverse pressure is big so that seal spool is in valve
On seat, fluid is forbidden to pass through, completes one-way conduction.
Main problem existing for existing check-valves has 1, can only be horizontally mounted, and when installed vertically, spool is matched to valve seat
It is also easy to produce offset during conjunction, prevents sealing surface from coincideing, sealing effect is not achieved；2, after spool and valve seat long-term work,
Sealing surface will produce abrasion, and sealing effect is deteriorated, and valve inner fluid countercurrent current influences check valve precision；3, Jie in circulating
Meeting residual impurity can cause to damage when by the sealing surface of spool and valve seat, influence sealing effect to sealing surface in matter；4、
In the occasion that certain installation spaces have determined, and the length of check valve is it has been determined that this results in not installing.
Utility model content
The purpose of this utility model is to provide a kind of check-valves, can effectively solve the problems in background technology.
Realizing the technical solution of above-mentioned purpose is：One end of a kind of check-valves, including valve body, valve body is medium entrance end,
The other end is media outlet end, is disposed with valve seat, spool and spring base in valve body, is provided between spool and spring base
Spring, it is characterised in that：Valve seat is provided centrally with pilot hole, and valve seat is circumferentially provided with medium flow field through-hole, and valve seat is towards valve
One end of core is provided with conical seal (contact) face, and spring base connect with valve body screw thread and is provided with medium flow field through-hole；
The spool is made of the taper type head being coaxially set and cylindrical tail portion, the center connection on taper type head
There is a guide rod being equipped in valve seat pilot hole, the conical seal (contact) face of taper type head and valve seat forms the first sealing pair,
The cylindrical tail portion fits to form the second sealing pair towards the periphery of one end of valve seat and the end face of spool.
Further, distinguish gasket on the surface on the taper type head and the sealing surface of cylindrical tail portion.
Further, media filtration net is provided in the medium entrance end of the valve body, media filtration net includes that strainer is solid
The strainer ontology determined frame and be installed on strainer fixed frame, strainer fixed frame include that the multi-turn being provided with from inside to outside adds
Strengthening tendons are connected as one by radial rib between reinforcing rib.
Further, the valve body includes left valve barrel and right valve barrel, and one end of left valve barrel is sleeved on the left port of right valve barrel
It is interior and between be provided with sealing ring, the left end of right valve barrel is fixedly connected with the nut being threadedly coupled with left valve barrel, the valve
Seat, spool and spring base are mounted in right valve barrel.
The beneficial effects of the utility model：
1, when medium fair current, medium enters from valve body import end pushes spool to overcome the pressure of spring to outlet extreme direction
Displacement, at this time valve unlatching.When medium is flow backwards, under the action of the pressure of medium and spring, make the sealing of spool towards valve seat
Sealing surface coincide, and during being coincide to valve seat due to spool, the guide rod on spool is simultaneously to the pilot hole intrinsic displacement of valve seat
Cooperation, makes the center of spool and valve seat not deviate, reaches preferable sealing effect so that the utility model being horizontally mounted and
Good sealing effect is attained by when right angle setting.
2, the conical seal (contact) face of the taper type head of the spool of the utility model and valve seat forms the first sealing pair, cylindrical
Tail portion and the end face of spool fit to form the second sealing pair, ensure that the utility model has good sealing effect.
3, it is provided with media filtration net in the medium entrance end of the utility model, the impurity in medium can be filtered out, kept away
Exempt from that the sealing surface of valve seat and spool is caused to damage.
4, the strainer ontology of the utility model is installed on by strainer fixed frame in valve body, consolidates firm, service life
It is long.
5, valve body is made of left valve barrel and right valve barrel, and one end of left valve barrel is sleeved in the left port of right valve barrel and it
Between be provided with sealing ring, the left end of right valve barrel is fixedly connected with the nut being threadedly coupled with left valve barrel, by rotate left valve barrel be
The adjusting that body length can be achieved, to adapt to different installation spaces.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram for the media filtration net being connected on strainer fixed frame.
Specific implementation mode
As shown in Figure 1, 2, the utility model includes valve body 1, and one end of valve body 1 is medium entrance end 1-1, and the other end is to be situated between
Matter outlet end 1-2, valve body 1 include left valve barrel 1-3 and right valve barrel 1-4, and one end of left valve barrel 1-3 is sleeved on a left side of right valve barrel 1-4
In port and between be provided with sealing ring 1-5, the left end of right valve barrel 1-4 is fixedly connected with to be threadedly coupled with left valve barrel 1-3
Nut 1-6 can realize the adjusting of 1 length of valve body, to adapt to different installation spaces by rotating left valve barrel 1-3.
It is disposed with valve seat 2, spool 3 and spring base 4 in right valve barrel 1-4, is provided between spool 3 and spring base 4
Spring 5, valve seat 2 are provided centrally with pilot hole 2-1, and valve seat 2 is circumferentially provided with medium flow field through-hole 2-2, and valve seat 1 is towards spool
3 one end is provided with conical seal (contact) face 2-3, and spring base 4 is threadedly coupled with valve body 1 and is provided with medium flow field through-hole 4-1.
Spool 3 is made of the taper type head 3-1 and cylindrical tail portion 3-2 being coaxially set, in the 3-1 of taper type head
The heart is connected with the guide rod 3-3 being equipped in the pilot hole 2-1 of valve seat 2, and taper type head 3-1 and the taper of valve seat 2 are close
Cover 2-3 forms the first sealing pair 6, the end face phase of the periphery and spool 3 of the one end of the cylindrical tail portion 3-2 towards valve seat 2
Fitting forms the second sealing pair 7.
As the preferred of the present embodiment, on the surface of taper type head 3-1 and the sealing surface of cylindrical tail portion 3-2 respectively
Gasket 8.
As the preferred of the present embodiment, media filtration net 9 is provided in the medium entrance end of valve body 1, media filtration net 9 wraps
The strainer ontology 9-2 for including strainer fixed frame 9-1 and being installed on strainer fixed frame 9-1, strainer fixed frame 9-1 include by
It is connected as one by radial rib 9-12 between the multi-turn reinforcing rib 9-11, reinforcing rib 9-11 that are provided with from inside to outside.
Claims (4)
1. a kind of check-valves, including valve body, one end of valve body is medium entrance end, and the other end is media outlet end, in valve body according to
It is secondary to be provided with valve seat, spool and spring base, spring is provided between spool and spring base, it is characterised in that：The center of valve seat
It is provided with pilot hole, valve seat is circumferentially provided with medium flow field through-hole, and one end of valve seat towards spool is provided with conical seal (contact) face, bullet
Spring abutment connect with valve body screw thread and is provided with medium flow field through-hole；
The spool is made of the taper type head being coaxially set and cylindrical tail portion, and the center on taper type head, which is connected with, matches
The guide rod being arranged in valve seat pilot hole is closed, conical seal (contact) face first sealing pair of composition on taper type head and valve seat is described
Cylindrical tail portion fits to form the second sealing pair towards the periphery of one end of valve seat and the end face of spool.
2. a kind of check-valves according to claim 1, it is characterised in that：The surface on the taper type head and cylinder
Gasket is distinguished on the sealing surface of tail portion.
3. a kind of check-valves according to claim 1, it is characterised in that：It is provided with Jie in the medium entrance end of the valve body
Matter filter screen, media filtration net include strainer fixed frame and the strainer ontology that is installed on strainer fixed frame, and strainer is fixed
Frame includes the multi-turn reinforcing rib being provided with from inside to outside, is connected as one by radial rib between reinforcing rib.
4. a kind of check-valves according to claim 1, it is characterised in that：The valve body includes left valve barrel and right valve barrel, a left side
One end of valve body be sleeved in the left port of right valve barrel and between be provided with sealing ring, the left end of right valve barrel is fixedly connected with
The nut being threadedly coupled with left valve barrel, the valve seat, spool and spring base are mounted in right valve barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820064064.1U CN207777693U (en) | 2018-01-16 | 2018-01-16 | A kind of check-valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820064064.1U CN207777693U (en) | 2018-01-16 | 2018-01-16 | A kind of check-valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207777693U true CN207777693U (en) | 2018-08-28 |
Family
ID=63212956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820064064.1U Expired - Fee Related CN207777693U (en) | 2018-01-16 | 2018-01-16 | A kind of check-valves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207777693U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812603A (en) * | 2019-04-11 | 2019-05-28 | 郑州鼎盛新技术有限公司 | A kind of ceramic check-valves of double guiding |
| CN110005653A (en) * | 2019-03-26 | 2019-07-12 | 龙工（上海）精工液压有限公司 | Overflow valve for excavator main control valve with filter device |
| CN112317899A (en) * | 2020-11-23 | 2021-02-05 | 中国电子科技集团公司第十八研究所 | Openable filter for one-way valve and forming process thereof |
| WO2021203926A1 (en) * | 2020-04-10 | 2021-10-14 | 浙江盾安人工环境股份有限公司 | Valve body assembly and combined valve having same |
| CN113513607A (en) * | 2020-04-10 | 2021-10-19 | 盾安环境技术有限公司 | Combination valve |
| CN114427610A (en) * | 2021-12-28 | 2022-05-03 | 江苏智能特种阀门有限公司 | Self-centering sealed three-way regulating valve |
| CN114607809A (en) * | 2020-12-08 | 2022-06-10 | 未势能源科技有限公司 | One-way valve and hydrogen storage system of vehicle |
-
2018
- 2018-01-16 CN CN201820064064.1U patent/CN207777693U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005653A (en) * | 2019-03-26 | 2019-07-12 | 龙工（上海）精工液压有限公司 | Overflow valve for excavator main control valve with filter device |
| CN109812603A (en) * | 2019-04-11 | 2019-05-28 | 郑州鼎盛新技术有限公司 | A kind of ceramic check-valves of double guiding |
| WO2021203926A1 (en) * | 2020-04-10 | 2021-10-14 | 浙江盾安人工环境股份有限公司 | Valve body assembly and combined valve having same |
| CN113513607A (en) * | 2020-04-10 | 2021-10-19 | 盾安环境技术有限公司 | Combination valve |
| CN113513607B (en) * | 2020-04-10 | 2022-12-09 | 盾安环境技术有限公司 | Combination valve |
| JP2023520282A (en) * | 2020-04-10 | 2023-05-17 | 浙江盾安人工環境股▲ふん▼有限公司 | Valve body assembly and composite valve having the same |
| CN112317899A (en) * | 2020-11-23 | 2021-02-05 | 中国电子科技集团公司第十八研究所 | Openable filter for one-way valve and forming process thereof |
| CN112317899B (en) * | 2020-11-23 | 2022-06-07 | 中国电子科技集团公司第十八研究所 | Openable filter for one-way valve and forming process thereof |
| CN114607809A (en) * | 2020-12-08 | 2022-06-10 | 未势能源科技有限公司 | One-way valve and hydrogen storage system of vehicle |
| CN114427610A (en) * | 2021-12-28 | 2022-05-03 | 江苏智能特种阀门有限公司 | Self-centering sealed three-way regulating valve |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180828 Termination date: 20190116 |