CN206801846U - A kind of plunger pump valve bonnet and valve assembly - Google Patents
A kind of plunger pump valve bonnet and valve assembly Download PDFInfo
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- CN206801846U CN206801846U CN201720675951.8U CN201720675951U CN206801846U CN 206801846 U CN206801846 U CN 206801846U CN 201720675951 U CN201720675951 U CN 201720675951U CN 206801846 U CN206801846 U CN 206801846U
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- valve
- valve bonnet
- plunger pump
- hole
- bonnet
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Abstract
It the utility model is related to a kind of plunger pump valve bonnet and valve assembly, including valve bonnet body, screw thread is provided among the top of the valve bonnet body, the bottom of the valve bonnet body is provided with connecting portion, the middle part of the valve bonnet body is provided with valve chamber, and the valve bonnet body upper part is provided with the upper water hole with valve chamber insertion, the valve bonnet body side is provided with the side water hole with valve chamber insertion.The utility model have the advantage that including：The plunger pump valve bonnet uses the structure in the upper water hole and the side water hole, can meet the use of pump, meanwhile, This structure increases the intensity of the valve bonnet body and the screw thread, large carrying capacity, it is unlikely to deform, service life length.
Description
Technical field
Plunger pump field of components is the utility model is related to, more particularly to a kind of plunger pump valve bonnet and valve assembly.
Background technology
Plunger pump is an important device of hydraulic system.It is moved back and forth by plunger in cylinder body, makes seal operation
The volume of cavity volume changes to realize oil suction, force feed.Plunger pump has high rated pressure, compact-sized, efficiency high and flow
The advantages that easy to adjust, it is widely used in the occasion that high pressure, big flow and flow need to adjust, such as hydraulic press, engineering machine
In tool and ship.Current plunger pump valve assembly uses cast steel material, and the valve bonnet wherein on valve assembly uses three-jaw structure, such as schemes
Shown in 1-2, screw thread in use is not firm enough, and bearing capacity is small, is easily deformed, and service life is short, so designing a kind of plunger
The valve assembly of pump valve cover and the application valve bonnet, the intensity of valve bonnet is improved, extends valve bonnet service life.
Utility model content
In order to overcome the valve bonnet low intensity of plunger pump in the prior art, screw thread is insecure, bearing capacity is small, be easily deformed,
The shortcomings that service life is short, the utility model provide the valve assembly of a kind of plunger pump valve bonnet and the application valve bonnet, valve bonnet body
Above with side using the structure for being only provided with water hole, according to the discharge capacity account of plunger pump, water hole is entirely capable of the use for reaching pump, carries
The high intensity of valve bonnet, extend the service life of valve bonnet.
To achieve these goals, the utility model provides following technical scheme：
A kind of plunger pump valve bonnet, including valve bonnet body, the top centre of the valve bonnet body are provided with screw thread, the valve bonnet sheet
The bottom of body is provided with connecting portion, and the middle part of the valve bonnet body is provided with valve chamber, and the valve bonnet body upper part is provided with and the valve
The upper water hole of room insertion, the valve bonnet body side are provided with the side water hole with valve chamber insertion.
Preferably, the upper water hole is provided with several, and centered on the screw thread, along circle on the valve bonnet body
Week is uniformly distributed.
Preferably, the side water hole is provided with several, and the side water hole is uniformly distributed in described this body side surface of valve bonnet.
Preferably, the screw thread is equipped with internal thread with the connecting portion.
Preferably, the screw thread is connected with the valve element, the connecting portion is connected with valve body.
Preferably, the valve bonnet is arranged on the both ends of valve body, and the connecting portion is connected with the both ends of the valve body；Institute
The valve rod that screw thread is stated with the valve element is connected.
Preferably, the valve body both ends are provided with the mating holes being used for valve element installation, and the one of the mating holes
Side is provided with dismounting hole, and the side in the dismounting hole is provided with pilot hole.
Preferably, the mating holes is cylindrical hole with the dismounting hole, and the aperture in the dismounting hole is more than institute
State the aperture of mating holes；
The pilot hole is round platform hole, the round platform hole and the aperture of the dismounting hole junction and the aperture in the dismounting hole
It is equal.
Preferably, the sealing ring for sealing is additionally provided between the connecting portion and the valve body.
Preferably, being additionally provided with steel ball and steel ring on the valve element, the steel ring keeps off the steel ball in the valve element
In groove；
Spring is provided between the valve bonnet and the valve element, and the spring is connected with the steel ring.
Using said structure, the valve bonnet is connected with the valve body, and the upper water hole is with the side water hole according to plunger pump
The area of passage design aperture that discharge capacity account goes out, is entirely capable of the use for reaching plunger pump；Meanwhile the design of this structure adds institute
The material area of valve bonnet body is stated, improves the intensity of the screw thread, so as to which bearing capacity becomes big, is unlikely to deform, service life
It is long；Coordinate with the valve body, improve the performance of valve assembly.
The utility model have the advantage that including：
The plunger pump valve bonnet uses the structure in the upper water hole and the side water hole, can meet the use of pump, meanwhile, should
Structure adds the intensity of the valve bonnet body and the screw thread, large carrying capacity, is unlikely to deform, service life length.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the main sectional view of existing valve bonnet；
Fig. 2 is the top view of existing valve bonnet；
Fig. 3 is the main sectional view of existing valve body；
Fig. 4 is the main sectional view of valve bonnet described in the utility model；
Fig. 5 is the top view of valve bonnet described in the utility model；
Fig. 6 is the main sectional view of valve body described in the utility model；
Fig. 7 is the main sectional view of valve assembly described in the utility model.
Description of reference numerals is as follows：
1st, valve bonnet；101st, valve bonnet body；102nd, upper water hole；103rd, screw thread；104th, valve chamber；105th, side water hole；106th, connect
Portion；
2nd, valve body；201st, mating holes；202nd, hole is dismounted；203rd, pilot hole；
3rd, valve element；4th, sealing ring；5th, steel ball；6th, steel ring；7th, spring.
Embodiment
, below will be to technology of the present utility model to make the purpose of this utility model, technical scheme and advantage clearer
Scheme is described in detail.Obviously, described embodiment is only the utility model part of the embodiment, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not before creative work is made
Resulting all other embodiment is put, belongs to the scope that the utility model is protected.
With reference to figure 4- Fig. 7, the utility model provides a kind of plunger pump valve bonnet, including valve bonnet body 101, the valve bonnet sheet
Screw thread 103 is provided among the top of body 101, the screw thread 103 is used to be connected with the valve element 3, under the valve bonnet body 101
Portion is provided with connecting portion 106, and the connecting portion 106 is used to be connected with the valve body 2；The middle part of the valve bonnet body 101 is provided with valve
Room 104, and the top of valve bonnet body 101 is provided with the upper water hole 102 with the valve chamber 104 insertion, the side of valve bonnet body 101
Portion be provided with the valve chamber 104 insertion side water hole 105, existing valve bonnet as shown in Figure 1-2, compared with existing valve bonnet, this
The upper water hole 102 of utility model and the aperture in side water hole 105 are designed according to the discharge capacity account of plunger pump, while of the present utility model
Valve bonnet 1 uses 316L materials, corrosion-resistant to be used for multiple times, and increases the intensity of the screw thread 103 by heat treatment, using this
Structure can further increase the intensity of the valve bonnet body 101 and the screw thread 103, improve bearing capacity, be unlikely to deform,
Service life is grown.
Optionally embodiment, the upper water hole 102 are provided with several, and centered on the screw thread 103, in institute
State and be circumferentially uniformly distributed on valve bonnet body 101；The side water hole 105 is provided with several, and the side water hole 105 is in the valve
The side of cover body 101 is uniformly distributed；Convenient uniform water inlet, meet the needs of plunger pumpage.
Optionally embodiment, for the ease of dismounting, the screw thread 103 is equipped with interior spiral shell with the connecting portion 106
Line, it is respectively used to be connected with valve element 3 and valve body 2.
Optionally embodiment, the valve bonnet 1 are arranged on the both ends of valve body 2, and the connecting portion 106 and the valve
The both ends of body 2 threadingly connect；The screw thread 103 is threadingly connected with the valve rod of valve element 3；The valve bonnet 1
On the valve body 2, the performance of valve assembly can be improved；
Optionally embodiment, the both ends of valve body 2 are provided with the mating holes 201 being used for the valve element 3 installation, and
The side of the mating holes 201 is provided with dismounting hole 202, and the side in the dismounting hole 202 is provided with pilot hole 203；Existing valve body
As shown in figure 3, after a long time use, the valve element 3 is polished with the mating holes 201, the mating holes 201 will be thicker
It is rough, do not allow when changing valve element 3 it is quick detachable, and remove after, it will destroy valve body 2；Compared with existing valve body, this practicality is new
The valve body 2 of type is provided with the dismounting hole 202, and when changing valve element 3, valve element 3 is conveniently clamped using the dismounting hole 202, so as to
Convenient dismounting.
Optionally embodiment, the mating holes 201 are cylindrical hole with the dismounting hole 202, and described are torn open
The aperture for filling hole 202 is more than the aperture of the mating holes 201；
The pilot hole 203 is round platform hole, the round platform hole and the aperture for dismounting the junction of hole 202 and the dismounting hole
202 aperture is equal, and the pilot hole 203 is easily installed the valve element 3.
Optionally embodiment, the sealing ring for sealing is additionally provided between the connecting portion 106 and the valve body 2
4, the sealing ring 4 uses O-ring seal, close by being sealed between the valve bonnet 1 and the valve body 2.
Optionally embodiment, is additionally provided with steel ball 5 and steel ring 6 on the valve element 3, and the steel ring 6 is by the steel ball 5
Gear is in the groove of the valve element 3；
Spring 7 is provided between the valve bonnet 1 and the valve element 3, and the spring 7 is connected with the steel ring 6.
Using said structure, the valve bonnet 1 is connected with the valve body 2, and the upper water hole 102 is pressed with the side water hole 105
Aperture is designed according to the area of passage that plunger pump discharge capacity account goes out, is entirely capable of the use for reaching plunger pump；Meanwhile the design of this structure
The material area of the valve bonnet body 101 is added, improves the intensity of the screw thread 103, so as to which bearing capacity becomes big, is not easy
Deformation, service life length；Coordinate with the valve body 2, improve the performance of valve assembly.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with the power
The protection domain that profit requires is defined.
Claims (10)
1. a kind of plunger pump valve bonnet, including valve bonnet body (101), the top centre of the valve bonnet body (101) is provided with screw thread
(103), the bottom of the valve bonnet body (101) is provided with connecting portion (106), it is characterised in that：In the valve bonnet body (101)
Portion is provided with valve chamber (104), and the valve bonnet body (101) top is provided with the upper water hole (102) with the valve chamber (104) insertion,
Valve bonnet body (101) sidepiece is provided with the side water hole (105) with the valve chamber (104) insertion.
A kind of 2. plunger pump valve bonnet according to claim 1, it is characterised in that：The upper water hole (102) is provided with several,
And centered on the screw thread (103), circumferentially it is uniformly distributed on the valve bonnet body (101).
A kind of 3. plunger pump valve bonnet according to claim 2, it is characterised in that：The side water hole (105) is provided with several,
And the side water hole (105) is uniformly distributed in valve bonnet body (101) side.
A kind of 4. plunger pump valve bonnet according to claim 1, it is characterised in that：The screw thread (103) and the connecting portion
(106) it is equipped with internal thread.
A kind of 5. plunger pump valve bonnet according to claim 4, it is characterised in that：The screw thread (103) connects with valve element (3)
Connect, the connecting portion (106) is connected with valve body (2).
A kind of 6. valve assembly of plunger pump valve bonnet using described in claim 1-5 any claims, it is characterised in that：It is described
Valve bonnet (1) is arranged on the both ends of valve body (2), and the connecting portion (106) is connected with the both ends of the valve body (2)；The screw thread
(103) valve rod with valve element (3) is connected.
A kind of 7. valve assembly using plunger pump valve bonnet according to claim 6, it is characterised in that：The valve body (2) two
End is provided with the mating holes (201) being used for the valve element (3) installation, and the side of the mating holes (201) is provided with dismounting hole
(202), the side of dismounting hole (202) is provided with pilot hole (203).
A kind of 8. valve assembly using plunger pump valve bonnet according to claim 7, it is characterised in that：The mating holes
(201) it is cylindrical hole with dismounting hole (202), and the aperture of dismounting hole (202) is more than the mating holes (201)
Aperture；
The pilot hole (203) is round platform hole, the round platform hole and the aperture for dismounting hole (202) junction and the dismounting hole
(202) aperture is equal.
A kind of 9. valve assembly using plunger pump valve bonnet according to claim 6, it is characterised in that：The connecting portion
(106) sealing ring (4) for sealing is additionally provided between the valve body (2).
A kind of 10. valve assembly using plunger pump valve bonnet according to claim 6, it is characterised in that：On the valve element (3)
Steel ball (5) and steel ring (6) are additionally provided with, the steel ring (6) keeps off the steel ball (5) in the groove of the valve element (3)；
Spring (7) is provided between the valve bonnet (1) and the valve element (3), and the spring (7) is connected with the steel ring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720675951.8U CN206801846U (en) | 2017-06-12 | 2017-06-12 | A kind of plunger pump valve bonnet and valve assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720675951.8U CN206801846U (en) | 2017-06-12 | 2017-06-12 | A kind of plunger pump valve bonnet and valve assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206801846U true CN206801846U (en) | 2017-12-26 |
Family
ID=60746430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720675951.8U Active CN206801846U (en) | 2017-06-12 | 2017-06-12 | A kind of plunger pump valve bonnet and valve assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206801846U (en) |
-
2017
- 2017-06-12 CN CN201720675951.8U patent/CN206801846U/en active Active
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|---|---|---|---|
| GR01 | Patent grant |