CN210218078U - High-pressure plunger pump with novel pressure regulating valve - Google Patents
High-pressure plunger pump with novel pressure regulating valve Download PDFInfo
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- CN210218078U CN210218078U CN201920993127.6U CN201920993127U CN210218078U CN 210218078 U CN210218078 U CN 210218078U CN 201920993127 U CN201920993127 U CN 201920993127U CN 210218078 U CN210218078 U CN 210218078U
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- valve seat
- seat
- pressure regulating
- plunger pump
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 5
- 238000011900 installation process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model relates to a high-pressure plunger pump with a novel pressure regulating valve, which comprises a pump body for installing the pressure regulating valve, wherein the pressure regulating valve comprises a valve seat and a valve core, the valve core is composed of a knob, a valve rod and a valve head which are of an integral structure, the radial surface of the valve rod is provided with an external thread, the valve seat corresponding to the external thread is provided with an internal thread, and the valve core is screwed with the valve seat through the internal thread and the external thread; the radial surface of the lower end of the valve head is of a conical spherical surface structure, and the valve head radial surface of the conical spherical surface is abutted against a conical inner hole formed in the valve seat so as to form sealing between the valve core and the valve seat; the utility model has the advantages that: the knob, the valve rod and the valve head are integrally formed into the valve core, so that parts are reduced, assembly errors are avoided, and the sealing effect is well guaranteed; in addition, the valve head is a conical spherical surface structure and forms sealing with the valve seat, and when the valve rod adjusts pressure, the valve head is far away from the valve seat, and the flow rate of water flow can be linearly controlled.
Description
Technical Field
The utility model belongs to the technical field of the pump body, especially, relate to a high-pressure plunger pump with novel air-vent valve.
Background
The air-vent valve is comparatively extensive that the air-vent valve used in high pressure plunger pump, current air-vent valve generally adopts the principle of ordinary ball valve structure, case in it is connected through two spare part screw threads of valve head and valve rod soon, not only increased spare part, and screw thread spiral between them is connected, can have assembly error and influence the sealed effect between case and the disk seat in the assembling process, more importantly contact between valve head and the disk seat, the surface of its valve head is the toper plane, when the valve rod pressure regulating, the valve head is keeping away from the disk seat in-process, rivers can increase suddenly, lead to the velocity of flow to be difficult to carry out linear control, thereby lead to whole plunger pump not good performance in the in-service use.
Disclosure of Invention
An object of the utility model is to overcome the not enough of prior art existence, and provide a compact structure, the leakproofness good, the stable high-pressure plunger pump that has novel air-vent valve of the pressure release velocity of flow.
The utility model aims at solving the problems that the high-pressure plunger pump with the novel pressure regulating valve comprises a pump body for installing the pressure regulating valve, the pressure regulating valve comprises a valve seat and a valve core, the valve core is composed of a knob, a valve rod and a valve head which are of an integral structure, an external thread is arranged at the radial surface of the valve rod, an internal thread is arranged on the valve seat corresponding to the external thread, and the valve core is connected with the valve seat in a screwing way through the internal thread and the external thread; the radial surface of the lower end of the valve head is of a conical spherical surface structure, and the valve head radial surface of the conical spherical surface is abutted against a conical inner hole formed in the valve seat so as to form sealing between the valve core and the valve seat.
Preferably, an annular first groove is arranged on the valve rod close to the valve head in the radial direction, and a first O-shaped sealing ring is mounted on the first groove.
Preferably, a through hole for the valve core to move up and down is formed in the valve seat, and the through hole is in a step shape.
Preferably, the valve seat is further provided with a water inlet and a water outlet, the water inlet is located at the radial position of the valve seat, the water outlet is located at the bottom of the valve seat, and the water outlet is communicated with the conical inner hole.
Preferably, an annular second groove is formed in the radial surface of the valve seat, and a second O-shaped sealing ring is mounted on the second groove.
Preferably, an installation groove with an arc-shaped cross section is formed in the radial surface of the bottom end of the valve seat, and a third O-shaped sealing ring is installed on the installation groove.
Preferably, a protection block is installed on the outer side of the upper end of the valve seat, the protection block is annular, and the knob is movably arranged in the protection block.
The utility model has the advantages that: the knob, the valve rod and the valve head are integrally formed into the valve core, so that parts are reduced, assembly errors are avoided, and the sealing effect is well guaranteed; in addition, the valve head is a conical spherical surface structure and forms sealing with the valve seat, and through the conical spherical surface structure, when the valve rod adjusts the pressure, the valve head is far away from the valve seat, and the flow rate of water flow can be linearly controlled, so that the whole plunger pump has better performance and a more compact and reasonable structure.
Drawings
Fig. 1 is a schematic view of an assembly structure between the pressure regulating valve and the pump body according to the present invention.
Fig. 2 is a schematic view of the overall assembly structure of the pressure regulating valve of the present invention.
Fig. 3 is a schematic view of the valve core structure of the present invention.
Fig. 4 is a schematic view of the valve seat structure of the present invention.
Fig. 5 is an enlarged schematic view of a portion a of fig. 2.
The reference numbers in the drawings are respectively: 1. a valve seat; 2. a valve core; 3. a first O-ring seal; 4. a second O-ring seal; 5. a third O-shaped sealing ring; 6. a protection block; 7. a pressure regulating valve; 8. a pump body; 11. an internal thread; 12. a tapered inner bore; 13. a through hole; 14. a water inlet; 15. a water outlet; 16. a second groove; 17. mounting grooves; 21. a knob; 22. a valve stem; 23. a valve head; 22-1, external threads; 22-2, first groove.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings 1 to 4: the utility model comprises a pump body 8 for installing a pressure regulating valve 7, wherein the pressure regulating valve 7 comprises a valve seat 1 and a valve core 2, the valve core 2 is composed of a knob 21, a valve rod 22 and a valve head 23 which are of an integrated structure, thereby reducing parts, avoiding assembly errors and ensuring the sealing effect well; the radial surface of the valve rod 22 is provided with an external thread 22-1, the valve seat 1 corresponding to the external thread 22-1 is provided with an internal thread 11, and the valve core 2 is screwed with the valve seat 1 through the internal thread and the external thread; as shown in fig. 5, the lower end radial surface of the valve head 23 is a conical spherical surface structure, and the valve head radial surface of the conical spherical surface is abutted against the conical inner hole 12 formed in the valve seat 1 so as to form a seal between the valve core 2 and the valve seat 1; through the clockwise or anticlockwise rotation of knob 21 for the screw thread is activity from top to bottom between case 2 and the disk seat 1, thereby impels valve head radial surface and the toper hole 12 that disk seat 1 was seted up to contradict or not contradict, if contradict, knob 21 need anticlockwise screw up, and the non-conflict state, then vice versa can. Because of the valve head is toper spherical structure, forms sealedly with the disk seat, through toper spherical structure, when the valve rod pressure regulating, the valve head is keeping away from the disk seat in-process, and the velocity of flow of rivers can obtain linear control to make better, the structure is compacter reasonable of whole plunger pump performance.
In order to improve the sealing performance between the valve core and the valve seat, an annular first groove 22-2 is radially arranged on the valve rod 22 close to the valve head 23, and a first O-shaped sealing ring 3 is arranged on the first groove 22-2, so that water flowing into the water outlet 15 from the water inlet 14 through the through hole 13 cannot flow out from the other side of the through hole 13 in the up-and-down moving process of the valve core.
The valve seat 1 is internally provided with a through hole 13 for the valve core 2 to move up and down, and the through hole 13 is in a step shape, so that the moving range of the valve core 2 is limited, and the stability of the valve core 2 in the up and down moving process is better.
The valve seat 1 is further provided with a water inlet 14 and a water outlet 15, the water inlet 14 is located at the radial position of the valve seat 1, the water outlet 15 is located at the bottom of the valve seat 1, the water outlet 15 is communicated with the conical inner hole 12, and water flows into the through hole 13 from the water inlet 14 and flows out through the water outlet 15.
In order to increase the sealing performance of the installation between the pressure regulating valve and the pump body, an annular second groove 16 is formed in the radial surface of the valve seat 1, and a second O-shaped sealing ring 4 is installed on the second groove 16; the radial surface of the bottom end of the valve seat 1 is provided with an installation groove 17 with an arc-shaped cross section, and the installation groove 17 is provided with a third O-shaped sealing ring 5.
The outer side of the upper end of the valve seat 1 is provided with a protection block 6, the protection block 6 is in a ring shape, and the knob 21 is movably arranged in the protection block 6; and the protection block 6 can also be a part for exerting force by hands of an installed pressure regulating valve in the installation process, so that the whole pressure regulating valve is prevented from being damaged in the installation process.
The present invention is not limited to the above embodiments, and any change is made on the shape or material composition, and all the structural designs provided by the present invention are all the deformation of the present invention, which should be considered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a high-pressure plunger pump with novel air-vent valve, is including being equipped with pump body (8) that supply pressure-vent valve (7) to install, pressure-vent valve (7) include disk seat (1), case (2), its characterized in that: the valve core (2) is composed of a knob (21), a valve rod (22) and a valve head (23) which are of an integrated structure, an external thread (22-1) is arranged on the radial surface of the valve rod (22), an internal thread (11) is arranged on the valve seat (1) corresponding to the external thread (22-1), and the valve core (2) is connected with the valve seat (1) in a screwing mode through the internal thread and the external thread; the radial surface of the lower end of the valve head (23) is of a conical spherical surface structure, and the valve head radial surface of the conical spherical surface is abutted against a conical inner hole (12) formed in the valve seat (1) so as to form sealing between the valve core (2) and the valve seat (1).
2. The high-pressure plunger pump with the novel pressure regulating valve according to claim 1, characterized in that: an annular first groove (22-2) is arranged on the valve rod (22) close to the valve head (23) in the radial direction, and a first O-shaped sealing ring (3) is mounted on the first groove (22-2).
3. The high-pressure plunger pump with the novel pressure regulating valve according to claim 1, characterized in that: a through hole (13) for the valve core (2) to move up and down is arranged in the valve seat (1), and the through hole (13) is in a step shape.
4. The high-pressure plunger pump with the novel pressure regulating valve according to claim 1, characterized in that: the water inlet (14) and the water outlet (15) are further formed in the valve seat (1), the water inlet (14) is located in the radial position of the valve seat (1), the water outlet (15) is located at the bottom of the valve seat (1), and the water outlet (15) is communicated with the conical inner hole (12).
5. The high-pressure plunger pump with the novel pressure regulating valve according to claim 1, characterized in that: an annular second groove (16) is formed in the radial surface of the valve seat (1), and a second O-shaped sealing ring (4) is mounted on the second groove (16).
6. The high-pressure plunger pump with the novel pressure regulating valve according to claim 1, characterized in that: the radial face of the bottom end of the valve seat (1) is provided with an installation groove (17) with an arc-shaped cross section, and a third O-shaped sealing ring (5) is installed on the installation groove (17).
7. The high-pressure plunger pump with the novel pressure regulating valve according to claim 1, characterized in that: protection piece (6) are installed to the upper end outside of disk seat (1), protection piece (6) are the annular form, just knob (21) move about in protection piece (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920993127.6U CN210218078U (en) | 2019-06-28 | 2019-06-28 | High-pressure plunger pump with novel pressure regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920993127.6U CN210218078U (en) | 2019-06-28 | 2019-06-28 | High-pressure plunger pump with novel pressure regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210218078U true CN210218078U (en) | 2020-03-31 |
Family
ID=69934700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920993127.6U Active CN210218078U (en) | 2019-06-28 | 2019-06-28 | High-pressure plunger pump with novel pressure regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210218078U (en) |
-
2019
- 2019-06-28 CN CN201920993127.6U patent/CN210218078U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: NINGBO BEIDA HOSE MANUFACTURING CO.,LTD. Assignor: NINGBO FUSLE MECHANICAL MANUFACTURING Co.,Ltd. Contract record no.: X2024980017788 Denomination of utility model: A high-pressure plunger pump with a new type of pressure regulating valve Granted publication date: 20200331 License type: Common License Record date: 20241011 |