CN203335383U - Pressure regulating valve of high-pressure pump - Google Patents
Pressure regulating valve of high-pressure pump Download PDFInfo
- Publication number
- CN203335383U CN203335383U CN201320282081XU CN201320282081U CN203335383U CN 203335383 U CN203335383 U CN 203335383U CN 201320282081X U CN201320282081X U CN 201320282081XU CN 201320282081 U CN201320282081 U CN 201320282081U CN 203335383 U CN203335383 U CN 203335383U
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- valve
- pressure
- valve rod
- valve body
- gland
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Abstract
Provided is a pressure regulating valve of a high-pressure pump. The pressure regulating valve of the high-pressure pump comprises a valve body and a valve rod arranged in the valve body, wherein a centre is arranged at the lower end of the valve rod, a water inlet, a water outlet and a water return opening are formed in the lower portion of the valve body and correspond to one another, a gland is arranged on the top of the valve body, the valve rod is sleeved with the gland, a valve seat is arranged at the bottom of the valve body, a plug is arranged at the bottom of the valve seat, a throttling hole is formed between the water inlet and the water outlet, a round throttling ball which corresponds to the centre is arranged on the throttling hole, a balance spring which is connected with the valve seat is arranged on the lower portion of the round throttling ball, threads are formed in the upper portion of the valve rod, the threads are connected with a manual pressure regulating cap in a threaded mode, a pressure regulating spring is arranged between the manual pressure regulating cap and the gland, and a lock nut which is matched with the manual pressure regulating cap is arranged at the upper end of the valve rod. The pressure regulating valve of the high-pressure pump is simple in structure, small in size and easy and convenient to install, fine adjustment can be carried out according to the needed pressure, the requirement for high-pressure water of different technologies can be met, and the pressure regulating valve of the high-pressure pump is high in sensitivity of pressure regulation, good in stability, applicable to pressure regulation of a pipeline with the pressure regulation range of 0.8-12MPa, namely 8-120barg, and wide in range of pressure regulation.
Description
Technical field
The utility model belongs to pressure regulating equipment technical field, particularly a kind of high-pressure service pump of using for the Air Conditioning humidification provide pressure controlling the high-pressure service pump pressure regulator valve.
Background technique
At present, the Air Conditioning humidification device provides 5-8MPa(50-80barg by high-pressure service pump) high pressure water, this technology adopts to some extent in the air-conditioning equal-enthalpy humidifying.Generally, the pressure of Air Conditioning humidification water need to be regulated according to the humidification amount, and still, the Special use requirement that existing pressure regulator valve can not meet can be high pressure resistant, can regulate again high pressure water pressure, carry out inconvenience to high pressure water pressure adjusting belt.
The model utility content
The purpose of this utility model be to provide a kind of simple in structure, volume is little, pressure regulation is highly sensitive and the high-pressure service pump pressure regulator valve of good stability.
For achieving the above object, the technical solution of the utility model is: a kind of high-pressure service pump pressure regulator valve, comprise the valve rod in valve body and valve body, the valve rod lower end is provided with thimble, valve body lower portion is provided with water inlet, water outlet and the backwater mouth of mutual correspondence, the top of valve body is provided with the gland, the bottom that are set in the valve rod outside and is provided with valve seat, and the valve seat bottom is provided with plug; Be provided with throttle orifice between water inlet and water outlet, the throttle orifice place is provided with the throttling ball corresponding with thimble, and throttling ball bottom is provided with the balance spring be connected with valve seat; Valve rod top is provided with screw thread, and the manual voltage regulation cap that has been threaded on screw thread, be provided with pressure adjusting spring between manual voltage regulation cap and gland, and the valve rod upper end is provided with the locking nut adapted with the manual voltage regulation cap.
Described valve body one side is provided with pressure tap and the balance damping hole be connected, and the balance damping hole is connected with water inlet, is provided with the pressure measurement plug in pressure tap.
Described stem lower portion is provided with piston guide ring and shape of the mouth as one speaks circle; Be equipped with seal ring between gland and valve body, gland and valve rod.
Described valve rod is provided with the axial displacement spacing hole, is provided with the pin joined with gland in the axial displacement spacing hole.
Compared with prior art, the utility model has the advantages that:
1, the utility model comprises the valve rod in valve body and valve body, the valve rod lower end is provided with thimble, valve body lower portion is provided with water inlet, water outlet and the backwater mouth of mutual correspondence, and the top of valve body is provided with the gland, the bottom that are set in the valve rod outside and is provided with valve seat, and the valve seat bottom is provided with plug; Be provided with throttle orifice between water inlet and water outlet, the throttle orifice place is provided with the throttling ball corresponding with thimble, and throttling ball bottom is provided with the balance spring be connected with valve seat; Valve rod top is provided with screw thread, the manual voltage regulation cap that has been threaded on screw thread, be provided with pressure adjusting spring between manual voltage regulation cap and gland, and the valve rod upper end is provided with the locking nut adapted with the manual voltage regulation cap, it is simple in structure, volume is little, simple installation, and the size of pressure is carried out fine adjustments according to demand, meet the requirement of different process to high pressure water, pressure regulation is highly sensitive, good stability, and being applicable to range of regulation is 0.8-12MPa(8-120barg) the pipeline pressure regulation, range of regulation is wide.
2, stem lower portion is provided with piston guide ring and shape of the mouth as one speaks circle; Be equipped with seal ring between gland and valve body, gland and valve rod, Sealing is changed easily, easy maintenance.
3, be provided with the axial displacement spacing hole on valve rod, be provided with the pin joined with gland in the axial displacement spacing hole, to prevent valve rod generation radial rotating, valve rod can not rotate with the rotation of manual pressure regulation cap.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of valve rod in Fig. 1.
Embodiment
High-pressure service pump pressure regulator valve as shown in Figure 1 and Figure 2, it comprises the valve rod 13 in valve body 1 and valve body 1, valve rod 13 lower ends are provided with thimble 23, be provided with water inlet 2, water outlet 3 and the backwater mouth 4 of mutual correspondence in valve body 1 bottom, the top of valve body 1 is provided with the gland 16, the bottom that are set in valve rod 13 outsides and is provided with valve seat 15, and valve seat 15 bottoms are provided with plug 5.Be provided with axial displacement spacing hole 21 on valve rod 13, be provided with the pin 19 joined with gland 16 in axial displacement spacing hole 21, to prevent valve rod 13, radial rotating occurs, valve rod 13 can not rotate with the rotation of manual pressure regulation cap 11.Be provided with throttle orifice 17 between water inlet 2 and water outlet 3, throttle orifice 17 places are provided with the throttling ball 9 corresponding with thimble 23, and throttling ball 9 bottoms are provided with the balance spring 8 be connected with valve seat 15.Valve rod 13 tops are provided with screw thread 20, and the manual voltage regulation cap 11 that has been threaded on screw thread 20 is provided with pressure adjusting spring 10 between manual voltage regulation cap 11 and gland 16, and valve rod 13 upper ends are provided with the locking nut 12 adapted with manual voltage regulation cap 11.
Be provided with pressure tap 6 and the balance damping hole 7 be connected in valve body 1 one sides, balance damping hole 7 is connected with water inlet 2, is provided with pressure measurement plug 18 in pressure tap 6.Be provided with piston guide ring 22 and shape of the mouth as one speaks circle 24 in valve rod 13 bottoms; Be equipped with seal ring 14 between gland 16 and valve body 1, gland 16 and valve rod 13.
In the present embodiment, valve body 1 is that copper, valve rod 13 is stainless steel for stainless steel, balance spring 8, and oxidative stability and corrosion resistance are strong, long service life.
When the utility model is installed, backwater mouth 2 is connected with the waterexit end of high-pressure service pump, and backwater mouth 4 is connected with the high-pressure service pump feed-water end, and when the pressure regulator valve water supply flow reduces, unnecessary water turns back to high-pressure service pump by backwater mouth 4; During use, the press water of high-pressure service pump output, in water inlet 2 enters valve body 1, flows out from water outlet 3 after throttle orifice 17 decompressions; When needs reduce water supply load, be that pressure is need turn down the time, rotary manual is regulated cap 11, valve rod 13 moves up under the effect of pressure adjusting spring 10, throttling ball 9 moves up under the effect of balance spring 8, to change the circulation area of throttle orifice 17, throttle orifice 17 is diminished, thereby turn down the pressure in downstream and reduce flow, too much press water flows to the feed-water end of high-pressure service pump by backwater mouth 4; When needs increase pressure, counterrotating manual voltage regulation cap 11, after adjusting pressure, tighten locking nut 12, loosening to prevent manual voltage regulation cap 11.
Claims (4)
1. a high-pressure service pump pressure regulator valve, it is characterized in that: comprise the valve rod in valve body and valve body, the valve rod lower end is provided with thimble, valve body lower portion is provided with water inlet, water outlet and the backwater mouth of mutual correspondence, the top of valve body is provided with the gland, the bottom that are set in the valve rod outside and is provided with valve seat, and the valve seat bottom is provided with plug; Be provided with throttle orifice between water inlet and water outlet, the throttle orifice place is provided with the throttling ball corresponding with thimble, and throttling ball bottom is provided with the balance spring be connected with valve seat; Valve rod top is provided with screw thread, and the manual voltage regulation cap that has been threaded on screw thread, be provided with pressure adjusting spring between manual voltage regulation cap and gland, and the valve rod upper end is provided with the locking nut adapted with the manual voltage regulation cap.
2. high-pressure service pump pressure regulator valve as claimed in claim 1, it is characterized in that: described valve body one side is provided with pressure tap and the balance damping hole be connected, and the balance damping hole is connected with water inlet, is provided with the pressure measurement plug in pressure tap.
3. high-pressure service pump pressure regulator valve as claimed in claim 1 or 2, it is characterized in that: described stem lower portion is provided with piston guide ring and shape of the mouth as one speaks circle; Be equipped with seal ring between gland and valve body, gland and valve rod.
4. high-pressure service pump pressure regulator valve as claimed in claim 3, it is characterized in that: described valve rod is provided with the axial displacement spacing hole, is provided with the pin joined with gland in the axial displacement spacing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320282081XU CN203335383U (en) | 2013-05-22 | 2013-05-22 | Pressure regulating valve of high-pressure pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320282081XU CN203335383U (en) | 2013-05-22 | 2013-05-22 | Pressure regulating valve of high-pressure pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203335383U true CN203335383U (en) | 2013-12-11 |
Family
ID=49704060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320282081XU Expired - Lifetime CN203335383U (en) | 2013-05-22 | 2013-05-22 | Pressure regulating valve of high-pressure pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203335383U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405634A (en) * | 2014-12-01 | 2015-03-11 | 天津市通洁高压泵制造有限公司 | Pressure regulating stop valve |
-
2013
- 2013-05-22 CN CN201320282081XU patent/CN203335383U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405634A (en) * | 2014-12-01 | 2015-03-11 | 天津市通洁高压泵制造有限公司 | Pressure regulating stop valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 450000 Yulin South Road, Henan, Zheng Dong, No. 16 South Road, Zhengzhou Patentee after: CHINA TOBACCO HENAN INDUSTRIAL Co.,Ltd. Address before: 450000 Henan province Zhengzhou guanchengou Longhai Road No. 72 (Zhengzhou factory) Patentee before: CHINA TOBACCO HENAN INDUSTRIAL Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20131211 |
|
| CX01 | Expiry of patent term |