CN205001607U - Lifting type check valve - Google Patents
Lifting type check valve Download PDFInfo
- Publication number
- CN205001607U CN205001607U CN201520802226.3U CN201520802226U CN205001607U CN 205001607 U CN205001607 U CN 205001607U CN 201520802226 U CN201520802226 U CN 201520802226U CN 205001607 U CN205001607 U CN 205001607U
- Authority
- CN
- China
- Prior art keywords
- valve
- shaped
- valve body
- bulge loop
- fluid
- 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)
Abstract
The utility model relates to a lifting type check valve, a valve body upper portion system has adapter sleeve, and adapter sleeve inner edge system is threaded, in the coaxial thread engagement in valve gap lower part is embedded into the adapter sleeve of valve body be provided with fluid inlet passageway and fluid exit channel in the valve body one side of the inside fluid inlet passageway of valve body is provided with annular disk seat, and the disk seat inner edge is passing through the mouth with the fluid of the mutual intercommunication of intake channel, and coaxial axial system has round rubber bulge loop on the terminal surface under the inside valve gap of valve body, and terminal surface system is fluted under the valve gap, and the recess is interior to have rubber with the vulcanization of rubber bulge loop an organic whole. This application coaxial axial system of terminal surface under the inside valve gap of valve body has round rubber bulge loop, and when the circulation medium of liquid was mobile, the valve rod shifted up, and the valve gap is withstood at the valve clack back, and pressure makes the compression of rubber bulge loop produce micro -deformation, and when the circulation medium stopped, the disappearance of rubber bulge loop pressure produced and kick -backs, and the helping hand valve rod moves down, and sealed fluid is through the mouth fast.
Description
Technical field
The utility model belongs to valve field, especially a kind of Lift check valve.
Background technique
Lift check valve refers to and relies on medium flowing itself and automatic open and close flap, is used for the valve preventing medium from flowing backwards, also known as check valve, one-way valve, reflux valve and back pressure valve.Safety check belongs to a kind of automatic valve, and its Main Function prevents medium from flowing backwards, prevents pump and drive motor reversion, and the releasing of vessel media.The auxiliary system that safety check also can be used for may being raised above system pressure to pressure wherein provides on the pipeline of supply.Safety check mainly can be divided into Swing check valve (rotating according to center of gravity) and Lift check valve (moving along axis).
Model utility content
The purpose of this utility model is to overcome the deficiencies in the prior art part, provides the Lift check valve of a kind of novel structure, reduction withdrawing fluid pressure.
The utility model is that technical solution problem adopts following technological scheme:
A kind of Lift check valve, comprise: valve body and valve gap, valve body top is integrally shaped with adapter sleeve, adapter sleeve Inner edge is shaped with screw thread, the engagement of bonnet lower coaxial threaded is embedded in the adapter sleeve of valve body, fluid inlet channel and fluid outlet channels is provided with in described valve body, the side of described valve inner fluid inlet channel is provided with ring-shaped valve seats, valve seat Inner edge is that the fluid be interconnected with inlet passage passes through mouth, coaxially flap is mounted cover in described valve seat upper-end surface, flap upper surface is coaxially integrally shaped with valve rod, slide coaxially to slide to wear and turn in the chute that valve gap inner coaxial is shaped with in the upper end of described valve rod, spring is coaxially arranged with between described valve stem tip face and chute interior edge face, it is characterized in that: on the valve gap lower end surface of valve inner, co-axial shafts is to being shaped with a circle rubber bulge loop, groove is shaped with in valve gap lower end surface, rubber is had with rubber bulge loop integrated vulcanizing in groove.
Good effect of the present utility model is as follows:
1, the Lift check valve that provides of the utility model in the valve gap lower end surface co-axial shafts of valve inner to being shaped with a circle rubber bulge loop, when the circulation medium flowing of liquid, valve rod moves, valve gap is withstood at the flap back side, and pressure makes rubber bulge loop compress and produces micro-deformation, when circulation medium stops, rubber convex ring compression disappears, produce resilience, power-assisted valve rod moves down, and quick-sealing fluid passes through mouth.
2, the Lift check valve that provides of the utility model is in order to increase the cohesive force of rubber bulge loop and valve gap, and be shaped with groove in valve gap lower end surface, groove can increase the grip of rubber bulge loop, prevents rubber bulge loop from dropping, and impact uses and sealing effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, also by specific embodiment, the utility model is described in further detail, and following examples are descriptive, are not determinate, can not limit protection domain of the present utility model with this.
A kind of Lift check valve, its structure as shown in Figure 1, comprise valve body 10 and valve gap 1, valve body top is integrally shaped with adapter sleeve 5, adapter sleeve Inner edge is shaped with screw thread, the engagement of bonnet lower coaxial threaded is embedded in the adapter sleeve of valve body, fluid inlet channel 8 and fluid outlet channels 11 is provided with in described valve body, the side of described valve inner fluid inlet channel is provided with ring-shaped valve seats 7, valve seat Inner edge is that the fluid be interconnected with inlet passage passes through mouth, flap 9 is coaxially mounted cover in described valve seat upper-end surface, flap upper surface is coaxially integrally shaped with valve rod 4, slide coaxially to slide to wear and turn in the chute 3 that valve gap inner coaxial is shaped with in the upper end of described valve rod, spring 2 is coaxially arranged with between described valve stem tip face and chute interior edge face, valve rod moves, extrusion spring.In order to easy for installation, be integrally shaped with rotating nut on the top of described valve gap.
This uses novel innovation to be:
On the valve gap lower end surface of valve inner, co-axial shafts is to being shaped with a circle rubber bulge loop 6, in order to increase the cohesive force of rubber bulge loop and valve gap, groove 6-1 is shaped with in valve gap lower end surface, rubber is had with rubber bulge loop integrated vulcanizing in groove, groove can increase the grip of rubber bulge loop, prevent rubber bulge loop from dropping, impact uses and sealing effect.
The working procedure of this Lift check valve is as follows:
When above-mentioned Lift check valve is arranged on and pipeline plays check function, liquid medium passes through fluid inlet channel, fluid is pushed flap open by mouth and is then entered outlet passage, in the process that fluid passes through, flap is boosted, flap promotes valve rod upward sliding in chute, the upper end Compress Spring of valve rod, when the flow of liquid medium is constant, spring keeps compressive state, flap is opened, when there is no liquid medium process or liquid medium backflow, spring automatically opens promotion valve rod and moves downward until make flap close, check function can be played well when above-mentioned Lift check valve normally uses.
Claims (2)
1. a Lift check valve, comprise valve body and valve gap, valve body top is integrally shaped with adapter sleeve, adapter sleeve Inner edge is shaped with screw thread, the engagement of bonnet lower coaxial threaded is embedded in the adapter sleeve of valve body, fluid inlet channel and fluid outlet channels is provided with in described valve body, the side of described valve inner fluid inlet channel is provided with ring-shaped valve seats, valve seat Inner edge is that the fluid be interconnected with inlet passage passes through mouth, coaxially flap is mounted cover in described valve seat upper-end surface, flap upper surface is coaxially integrally shaped with valve rod, slide coaxially to slide to wear and turn in the chute that valve gap inner coaxial is shaped with in the upper end of described valve rod, spring is coaxially arranged with between described valve stem tip face and chute interior edge face, it is characterized in that: on the valve gap lower end surface of valve inner, co-axial shafts is to being shaped with a circle rubber bulge loop, groove is shaped with in valve gap lower end surface, rubber is had with rubber bulge loop integrated vulcanizing in groove.
2. Lift check valve according to claim 1, is characterized in that: be integrally shaped with rotating nut on the top of described valve gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520802226.3U CN205001607U (en) | 2015-10-13 | 2015-10-13 | Lifting type check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520802226.3U CN205001607U (en) | 2015-10-13 | 2015-10-13 | Lifting type check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205001607U true CN205001607U (en) | 2016-01-27 |
Family
ID=55158495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520802226.3U Expired - Fee Related CN205001607U (en) | 2015-10-13 | 2015-10-13 | Lifting type check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205001607U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114060574A (en) * | 2021-11-25 | 2022-02-18 | 蓝箭航天空间科技股份有限公司 | Check valve, rocket engine supercharging system and rocket engine |
-
2015
- 2015-10-13 CN CN201520802226.3U patent/CN205001607U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114060574A (en) * | 2021-11-25 | 2022-02-18 | 蓝箭航天空间科技股份有限公司 | Check valve, rocket engine supercharging system and rocket engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160127 Termination date: 20171013 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |