CN207848583U - A kind of water hammer-resistant damping check valve - Google Patents
A kind of water hammer-resistant damping check valve Download PDFInfo
- Publication number
- CN207848583U CN207848583U CN201820253028.XU CN201820253028U CN207848583U CN 207848583 U CN207848583 U CN 207848583U CN 201820253028 U CN201820253028 U CN 201820253028U CN 207848583 U CN207848583 U CN 207848583U
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- valve body
- valve
- flap
- water hammer
- sliding axle
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Abstract
The utility model is related to valve technology fields, more particularly, to a kind of water hammer-resistant damping check valve.Including valve body, flap component and spring, the flap component is arranged in the inner cavity of the valve body, and the flap component includes the first sliding axle, flap and the second sliding axle of integrally connected；The water inlet of the valve body is provided with the first valve seat；It is provided with leading truck on first valve seat, the first pilot hole is provided in the middle part of the leading truck, first sliding axle is arranged in first pilot hole；The water outlet of the valve body is provided with the second leading truck, and the second pilot hole is provided in the middle part of second leading truck, and second sliding axle is arranged in second pilot hole；The spring is set on the second sliding axle, and between flap and the second leading truck；The flap is in arcuate, and the water inlet of the valve body is provided with the energy dissipating pipe of connection valve body water outlet side.The utility model is simple in structure, can effectively solve the problem that by the setting of energy dissipating pipe and generates high pressure in valve body, increases the service life of check-valves.
Description
Technical field
The utility model is related to valve technology fields, more particularly, to a kind of water hammer-resistant damping check valve.
Background technology
In the prior art, traditional damping check valve is stopped in water pump, when valve is closed, the return water of valve inner
The instantaneous high pressure of generation can damage valve and miscellaneous equipment, seriously affect the service life of valve and normal production
Life.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of water hammer-resistant damping check valve.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of water hammer-resistant damping check valve, packet
Valve body, flap component and spring are included, the flap component is arranged in the inner cavity of the valve body, and the flap component includes one
The first sliding axle, flap and the second sliding axle of connection；The water inlet of the valve body is provided with the first valve seat；Described first
It is provided with leading truck on valve seat, the first pilot hole is provided in the middle part of the leading truck, first sliding axle is arranged described
In first pilot hole；The water outlet of the valve body is provided with the second leading truck, and is provided in the middle part of second leading truck
Two pilot holes, second sliding axle are arranged in second pilot hole；The spring is set on the second sliding axle, and is located at
Between flap and the second leading truck；The flap is in arcuate, and the water inlet of the valve body is provided with connection valve body water outlet side
Energy dissipating pipe.
The utility model, can be in water by the energy dissipating pipe for the connection valve body water outlet being arranged in the water inlet of valve body
When pump is stopped, flap closes water inlet under the action of spring and water flow back, and the return water of water inlet can pass through energy dissipating
Pipe is back to the water outlet end of valve body, eliminates the high pressure that when flap is closed, is generated in body cavity to flap and other
Equipment damages, and the setting of energy dissipating pipe eliminates high pressure when increasing pressure moment, reduces the generation of water hammer, increases simultaneously
The service life of check-valves.
Preferably, the energy dissipating pipe is set to the outside of the valve body.Energy dissipating pipe is arranged in the outside of valve body, is conducive to
Maintenance to energy dissipating pipe, while convenient for the processing and fabricating of check-valves, reducing cost.
Preferably, ball valve is provided on the energy dissipating pipe, the ball valve is normally opened ball valve, and ball valve is normally opened ball valve, can
Ensure that the water hammer for eliminating valve inner in time influences.
Preferably, the inner face of the both ends of the surface of the flap and the first valve seat is both provided with primary sealing area.First is close
The setting of cover advantageously ensures that the seal between flap and the first valve seat.
Preferably, it is provided with O-ring seal on the primary sealing area of first valve seat.The setting of O-ring seal is advantageous
Watertightness on enhancing primary sealing area.
Preferably, it is provided with limited step on second sliding axle.The limited step being arranged on second sliding axle, a side
Face can ensure that flap is opened to maximum stream flow, on the other hand can be the second sliding axle can be prevented to be detached from from the second guiding.
Preferably, first valve seat is connect with the valve body screw thread.First valve seat is connect with valve body screw thread, is conducive to
The fastness connected between one valve seat and valve body.
Preferably, second leading truck is connect with the valve body screw thread.Second leading truck is connect with valve body screw thread, favorably
In the fastness for ensureing to connect between the second leading truck and valve body.
Preferably, the first axle sleeve and the second axle sleeve are respectively arranged in first pilot hole and the second pilot hole.
The setting of first axle sleeve advantageously reduces the resistance generated when the first sliding axle slides in the first pilot hole；Second axle sleeve is set
Set the resistance for advantageously reducing and being generated when the second sliding axle slides in the second pilot hole.
Preferably, the valve body is provided with the angle valve for draining on the outer wall of water outlet side.The setting of angle valve
On the one hand can be by the residual miscellaneous discharge in valve body, on the other hand, in arctic weather, flap is closed, valve body and pipeline
In can accommodate ponding, ponding can freezing and expansion, cause valve body and pipe-line equipment to damage, the setting of angle valve can will be in valve body
Ponding drain, avoid ponding expansion damage valve body can also antirust, be convenient for pipeline and equipment repair.
Compared with prior art, the utility model has the beneficial effects that：
The utility model, can be in water by the energy dissipating pipe for the connection valve body water outlet being arranged in the water inlet of valve body
When pump is stopped, flap closes water inlet under the action of the spring, and the return water of water inlet can be back to by energy dissipating pipe
The water outlet end of valve body is eliminated when flap is closed, and the high pressure generated in body cavity causes flap and miscellaneous equipment
Damage, the setting of energy dissipating pipe eliminate high pressure when increasing pressure moment, reduce the generation of water hammer, while increasing check-valves
Service life.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of water hammer-resistant damping check valve of the utility model.
Specific implementation mode
The utility model is further described With reference to embodiment.Wherein, being given for example only property of attached drawing
Illustrate, expression is only schematic diagram rather than pictorial diagram, should not be understood as the limitation to this patent；In order to which this reality is better described
With novel embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To ability
For field technique personnel, the omitting of some known structures and their instructions in the attached drawings are understandable.
The same or similar label correspond to the same or similar components in the attached drawing of the utility model embodiment；In this practicality
In novel description, it is to be understood that if there is the orientation or positional relationship of the instructions such as term "upper", "lower", "left", "right" to be
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore retouched in attached drawing
The term for stating position relationship only for illustration, should not be understood as the limitation to this patent, for the common skill of this field
For art personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
Embodiment
Fig. 1 be a kind of first embodiment of water hammer-resistant damping check valve of the utility model, a kind of water hammer-resistant damping check valve,
Including valve body 1, flap component 3 and spring 2, flap component 3 is arranged in the inner cavity of valve body 1, and flap component 3 includes integrally connected
The first sliding axle 4, flap 5 and the second sliding axle 6；The water inlet of valve body 1 is provided with the first valve seat 7；On first valve seat 7
The middle part for being provided with 8,8 leading truck 8 of leading truck is provided with the first pilot hole, and the first sliding axle 4 is arranged in first pilot hole
In；The water outlet of valve body 1 is provided with the second leading truck 9, and the middle part of the second leading truck 9 is provided with the second pilot hole, and second slides
Moving axis 6 is arranged in the second pilot hole；Spring 2 is set on the second sliding axle 6, and between flap 5 and the second leading truck 9；
Flap 5 is in arcuate, and the water inlet of valve body 1 is provided with the energy dissipating pipe 10 of 1 water outlet side of connection valve body.
Wherein, energy dissipating pipe 10 is set to the outside of valve body 1.
In addition, being provided with ball valve 11 on energy dissipating pipe 10, ball valve 11 is normally opened ball valve.
Wherein, the inner face of the both ends of the surface of flap 5 and the first valve seat 7 is both provided with primary sealing area 14.
In addition, being provided with O-ring seal 13 on the primary sealing area 14 of the first valve seat 7.
Wherein, it is provided with limited step 16 on the second sliding axle 6.
Wherein, the first valve seat 7 is threadedly coupled with valve body 1.
In addition, the second leading truck 9 is threadedly coupled with valve body 1.
Wherein, the first axle sleeve 14 and the second axle sleeve 15 are respectively arranged in the first pilot hole and the second pilot hole.
In addition, the valve body is provided with the angle valve for draining on the outer wall of water outlet side.
Obviously, above-described embodiment of the utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to the embodiment of the utility model.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
It is exhaustive.All any modification, equivalent and improvement made within the spirit and principle of the present invention etc., should be included in
Within the protection domain of the utility model claims.
Claims (10)
1. a kind of water hammer-resistant damping check valve, including valve body（1）, flap component（3）And spring（2）, the flap component（3）If
It sets in the valve body（1）Inner cavity in, it is characterised in that：The flap component（3）The first sliding axle including integrally connected
（4）, flap（5）And second sliding axle（6）；The valve body（1）Water inlet be provided with the first valve seat（7）；Described first
Valve seat（7）On be provided with leading truck（8）, the leading truck（8）Middle part be provided with the first pilot hole, first sliding axle
（4）It is arranged in first pilot hole；The valve body（1）Water outlet be provided with the second leading truck（9）, described second leads
To frame（9）Middle part be provided with the second pilot hole, second sliding axle（6）It is arranged in second pilot hole；The bullet
Spring（2）Set on the second sliding axle（6）On, and it is located at flap（5）With the second leading truck（9）Between；The flap（5）In arcuate,
The valve body（1）Water inlet be provided with connection valve body（1）The energy dissipating pipe of water outlet side（10）.
2. water hammer-resistant damping check valve according to claim 1, it is characterised in that：The energy dissipating pipe（10）It is set to institute
State valve body（1）Outside.
3. water hammer-resistant damping check valve according to claim 2, it is characterised in that：The energy dissipating pipe（10）On be provided with ball
Valve（11）, the ball valve（11）For normally opened ball valve.
4. water hammer-resistant damping check valve according to claim 3, it is characterised in that：The both ends of the surface of the flap and first
The inner face of valve seat is both provided with primary sealing area（12）.
5. water hammer-resistant damping check valve according to claim 4, it is characterised in that：First valve seat（7）It is first close
Cover（12）On be provided with O-ring seal（13）.
6. water hammer-resistant damping check valve according to claim 5, it is characterised in that：Second sliding axle（6）Upper setting
There is limited step（16）.
7. water hammer-resistant damping check valve according to claim 6, it is characterised in that：First valve seat（7）With the valve
Body（1）It is threadedly coupled.
8. water hammer-resistant damping check valve according to claim 6, it is characterised in that：Second leading truck（9）With it is described
Valve body（1）It is threadedly coupled.
9. according to claim 1 to 8 any one of them water hammer-resistant damping check valve, it is characterised in that：First pilot hole
And second be respectively arranged with the first axle sleeve in pilot hole（14）And second axle sleeve（15）.
10. water hammer-resistant damping check valve according to claim 8, it is characterised in that：The valve body（1）Close to water outlet one
The angle valve for draining is provided on the outer wall of side（17）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820253028.XU CN207848583U (en) | 2018-02-12 | 2018-02-12 | A kind of water hammer-resistant damping check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820253028.XU CN207848583U (en) | 2018-02-12 | 2018-02-12 | A kind of water hammer-resistant damping check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207848583U true CN207848583U (en) | 2018-09-11 |
Family
ID=63409666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820253028.XU Active CN207848583U (en) | 2018-02-12 | 2018-02-12 | A kind of water hammer-resistant damping check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207848583U (en) |
-
2018
- 2018-02-12 CN CN201820253028.XU patent/CN207848583U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |