CN206320364U - High-pressure check valve - Google Patents
High-pressure check valve Download PDFInfo
- Publication number
- CN206320364U CN206320364U CN201621435366.2U CN201621435366U CN206320364U CN 206320364 U CN206320364 U CN 206320364U CN 201621435366 U CN201621435366 U CN 201621435366U CN 206320364 U CN206320364 U CN 206320364U
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- Prior art keywords
- rectangular
- slot
- rectangular tube
- pressure
- check plate
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Abstract
The utility model discloses a kind of high-pressure check valve, including rectangular tube, check plate, control shell and control panel, the rectangular through slot of rectangular tube is provided perpendicular on rectangular tube, check plate is vertically arranged in rectangular through slot, the downside of shell and the upper end of rectangular through slot is controlled to be tightly connected, the lower semisection of check plate is provided with through hole and is vertically arranged in rectangular through slot, control panel is horizontally set in control shell and is fixedly connected with the upper semisection of check plate, upper pressure chamber is connected by pressure pipe with the tract of rectangular tube, chamber is pushed to connect with the Upstream section of rectangular tube by the pressure port being arranged on rectangular tube upper side.The utility model passes through the pressure differential between pressure under pressure chamber on control panel top and lower section, control moving up and down for check plate, so as to realize the non-return effect to rectangular tube, simultaneously during non-return, with certain buffer time, it can avoid that pressure is excessive to cause thump to check plate, influence the service life of check-valves.
Description
Technical field
The utility model is related to valve body, more particularly to a kind of high-pressure check valve.
Background technology
Check-valves refers to flow in itself by medium and automatic open and close flap, for preventing the valve of medium refluence, also known as
Non-return valve, check valve, reflux valve and counterbalance valve.Traditional check-valves is directly separated valve body by baffle plate, and it is rushed to baffle plate
Hit that power is larger, if be commonly used at the pipeline of some frequent generation water conservancy diversion, the working life degradation of baffle plate can be made.
Utility model content
The purpose of this utility model, which is that, provide high-pressure check valve to solve the above problems.
The utility model is achieved through the following technical solutions above-mentioned purpose：
It is provided with a kind of high-pressure check valve, including rectangular tube, check plate, control shell and control panel, the rectangular tube vertical
Directly in the rectangular through slot of the rectangular tube, upper side and downside of the rectangular through slot through the rectangular tube, the non-return
Plate is vertically arranged in the rectangular through slot, and the rectangular tube is divided under Upstream section and tract, the control shell
Side and the upper end of the rectangular through slot are tightly connected, and the lower semisection of the check plate is provided with through hole and is vertically arranged in described
In rectangular through slot, the control panel is horizontally set in the control shell and is fixedly connected with the upper semisection of the check plate, institute
State the upper pressure that control panel can slide up and down along the inwall of the control shell and the control shell is separated into separate sealing
Chamber is connected with chamber, the upper pressure chamber is pushed by pressure pipe with the tract of the rectangular tube, and the chamber that pushes is by being arranged on
Pressure port on the rectangular tube upper side is connected with the Upstream section of the rectangular tube.
Specifically, the width of the rectangular through slot is less than the outer length of side of the rectangular tube and more than the inner edge of the rectangular tube
Long, the length of side of the through hole is less than the interior length of side of the rectangular tube, the width of the check plate and the width of the rectangular through slot
Equal, the thickness of the non-return is equal with the thickness of the rectangular through slot, and the check plate can be slided with rectangular through slot sealing
Dynamic connection, the length of the check plate is more than 2 times of the outer length of side of the rectangular tube, and the length of side of the control shell is more than the square
The width of shape groove.
Further, the check-valves is also included under rectangular conduit, the upper end of the rectangular conduit and the rectangular through slot
End is tightly connected, and the lower end of the lower rectangular conduit is provided with constant pressure hole, and the length of the rectangular conduit is not less than the through hole
Upper surface and the check plate lower surface distance, between the upper surface of the through hole and the upper surface of the check plate
Distance is not less than the interior length of side of the rectangular tube.
Preferably, limited block is provided with the control shell, the limited block is located at the pressure pipe and the control shell
Connected entrance lower section and in the top of the control panel.
The beneficial effects of the utility model are：
A kind of high-pressure check valve of the utility model by the pressure differential between pressure under pressure chamber on above control panel and lower section,
Moving up and down for check plate is controlled, so as to realize the non-return effect to rectangular tube, while during non-return, with certain
Buffer time, can avoid that pressure is excessive to cause thump to check plate, influence the service life of check-valves.
Brief description of the drawings
Fig. 1 is the main sectional view of high-pressure check valve described in the utility model；
Fig. 2 is the top view of high-pressure check valve described in the utility model.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
Embodiment one
As depicted in figs. 1 and 2, a kind of high-pressure check valve of the utility model, including rectangular tube 1, check plate 2, control shell 3 and
Be provided perpendicular to the rectangular through slot of rectangular tube 1 on control panel 4, rectangular tube 1, rectangular through slot through rectangular tube 1 upper side and
Downside, check plate 2 is vertically arranged in rectangular through slot, and rectangular tube 1 is divided into Upstream section 11 and tract 12, controls shell
3 downside and the upper end of rectangular through slot are tightly connected, and the lower semisection of check plate 2 is provided with through hole 8 and is vertically arranged in rectangle
In groove, control panel 4 is horizontally set in control shell 3 and is fixedly connected with the upper semisection of check plate 2, and control panel 4 can be along control
The inwall of shell 3 slides up and down and control shell 3 is separated into the upper pressure chamber 9 of separate sealing and chamber 10 is pushed, and upper pressure chamber 9 leads to
Over-pressed solenoid is connected with the tract 12 of rectangular tube 1, is pushed chamber 10 and is passed through the pressure port and square that are arranged on the upper side of rectangular tube 1
The Upstream section 11 of shape pipe 1 is connected.
Medium flows according to direction from left to right as shown in Figure 1, with the left side of check plate 2 for Upstream section 11, check plate 2
Right side is tract 12, and when medium proper flow, the medium in Upstream section 11 is entered to from pressure port to be pushed in chamber 10, upper pressure
Medium in chamber 9 follows the medium in tract 12 to flow to the right, so that control panel 4 is moved up, and then causes through hole 8
In rectangular tube 1, so that medium proper flow.
When medium adverse current from right to left, the medium of tract 12 enters to upper pressure chamber 9 from pressure pipe, pushes in chamber 10
Medium follows the medium in Upstream section 11 to flow to the left, so that control panel 4 is moved down, and then causes through hole 8 and rectangle
Pipe 1 misplaces so that rectangular tube 1 separates, it is to avoid medium continues adverse current.
In order that above-mentioned steps are carried out, while ensureing the sealing property between each connector, the width of rectangular through slot is small
The outer length of side in rectangular tube 1 and the interior length of side more than rectangular tube 1, the length of side of through hole 8 are less than the interior length of side of rectangular tube 1, check plate 2
Width it is equal with the width of rectangular through slot, the thickness of non-return is equal with the thickness of rectangular through slot, and check plate 2 and rectangular through slot are close
Slidable connection is sealed, the length of check plate 2 is more than 2 times of the outer length of side of rectangular tube 1, and the length of side of control shell 3 is more than rectangular channel
Width.
Embodiment two
The present embodiment is compared with embodiment one, and its difference is, check-valves also includes rectangular conduit 7, rectangular conduit 7 it is upper
The lower end with rectangular through slot is held to be tightly connected, the lower end of lower rectangular conduit 7 is provided with constant pressure hole, and the length of rectangular conduit 7 is not small
Distance in the upper surface of through hole 8 and the lower surface of check plate 2, between the upper surface of through hole 8 and the upper surface of check plate 2 away from
From the interior length of side not less than rectangular tube 1.
Can be that the lower end of check plate 2 is moved in rectangular conduit 7 by setting rectangular conduit 7 in the lower end of rectangular through slot
It is dynamic, the lower end of check plate 2 can be avoided to expose in atmosphere, while by setting constant pressure hole, air pressure can be avoided to check plate 2
Movement impact.
Embodiment three
Set limited in order to avoid control panel 4 is moved in the top of pressure pipe and the connected entrance of control shell 3, control shell 3
Position block, limited block is located at the lower section of connected entrance of the pressure pipe with controlling shell 3 and in the top of control panel 4.
The technical solution of the utility model is not limited to the limitation of above-mentioned specific embodiment, every according to skill of the present utility model
The technology deformation that art scheme is made, each falls within protection domain of the present utility model.
Claims (4)
1. a kind of high-pressure check valve, it is characterised in that：Including rectangular tube, check plate, control on shell and control panel, the rectangular tube
The rectangular through slot of the rectangular tube is provided perpendicular to, the rectangular through slot runs through upper side and the downside of the rectangular tube,
The check plate is vertically arranged in the rectangular through slot, and the rectangular tube is divided into Upstream section and tract, the control
The downside of shell processed and the upper end of the rectangular through slot are tightly connected, and the lower semisection of the check plate is provided with through hole and set vertically
Put in the rectangular through slot, the control panel is horizontally set in the control shell and fixed with the upper semisection of the check plate
Connection, the control panel can slide up and down along the inwall of the control shell and the control shell is separated into separate sealing
Upper pressure chamber and push chamber, the upper pressure chamber is connected by pressure pipe with the tract of the rectangular tube, and the chamber that pushes passes through
The pressure port being arranged on the rectangular tube upper side is connected with the Upstream section of the rectangular tube.
2. high-pressure check valve according to claim 1, it is characterised in that：The width of the rectangular through slot is less than the rectangle
The outer length of side of pipe and the interior length of side for being more than the rectangular tube, the length of side of the through hole are less than the interior length of side of the rectangular tube, described
The width of check plate is equal with the width of the rectangular through slot, and the thickness of the non-return is equal with the thickness of the rectangular through slot,
The check plate seals slidable connection with the rectangular through slot, and the length of the check plate is more than the outer length of side of the rectangular tube
2 times, it is described control shell the length of side be more than the rectangular channel width.
3. high-pressure check valve according to claim 2, it is characterised in that：Also include rectangular conduit, the rectangular conduit
Upper end and the lower end of the rectangular through slot are tightly connected, and the lower end of the rectangular conduit is provided with constant pressure hole, the rectangular conduit
Lower surface of the length not less than upper surface and the check plate of the through hole distance, the upper surface of the through hole with it is described
The distance between upper surface of check plate is not less than the interior length of side of the rectangular tube.
4. high-pressure check valve according to claim 2, it is characterised in that：Limited block is provided with the control shell, it is described
Limited block is located at the lower section of the connected entrance of the pressure pipe and the control shell and in the top of the control panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621435366.2U CN206320364U (en) | 2016-12-26 | 2016-12-26 | High-pressure check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621435366.2U CN206320364U (en) | 2016-12-26 | 2016-12-26 | High-pressure check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206320364U true CN206320364U (en) | 2017-07-11 |
Family
ID=59260329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621435366.2U Active CN206320364U (en) | 2016-12-26 | 2016-12-26 | High-pressure check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206320364U (en) |
-
2016
- 2016-12-26 CN CN201621435366.2U patent/CN206320364U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |