CN2517937Y - Pressure regulating valve - Google Patents
Pressure regulating valve Download PDFInfo
- Publication number
- CN2517937Y CN2517937Y CN 01274677 CN01274677U CN2517937Y CN 2517937 Y CN2517937 Y CN 2517937Y CN 01274677 CN01274677 CN 01274677 CN 01274677 U CN01274677 U CN 01274677U CN 2517937 Y CN2517937 Y CN 2517937Y
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- pressure
- main slide
- valve body
- valve
- slide valve
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- Expired - Fee Related
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Abstract
The utility model relates to a pressure regulating valve of a fluid pipeline such as a hydraulic pipeline, etc. The pressure regulating valve comprises a pressure regulating valve and a main slide valve, the outflow hole (12) of the pressure regulating valve body (4) is connected with an internal diversion channel (19) of a main slide valve core (21) and a fluid discharge port (16), a valve (8) of the pressure regulating valve body (4) is connected with a rear chamber (22) of a main slide valve through a diversion hole (11), and a front chamber (18) of the main slide valve is mutually connected with the rear chamber (22) of the main slide valve through a small aperture damping hole (13) on a slide guiding block (20). The utility model solves the problems of the original pressure regulating valve that the pressure value is instable, the service life is short, and the valve can not work in the high pressure environment, and can be mainly utilized for overflow pressure regulating in the fluid pipeline.
Description
The utility model relates to a kind of valve body structure, particularly a kind of pressure regulator valve that is used for regulated fluid pressure.
At present, the pressure regulating overflow valve that people generally use, mostly form by valve body, spool, pressure adjusting spring and adjusting pressuring handle, overflow hole, fluid inlet and fluid output that valve body is provided with valve ante-chamber, valve back cavity, both are communicated with, above-mentioned fluid inlet is connected with the valve ante-chamber, fluid output is connected with the valve back cavity, the shutoff of above-mentioned spool roof pressure is at the inner port place of overflow hole outlet and fluid output, as long as regulate adjusting pressuring handle, can directly change the roof pressure power of pressure adjusting spring, thereby reach the purpose of regulating hydrodynamic pressure in the pipeline spool.Because it directly relies on the elastic force of pressure adjusting spring to regulate pressure, so meeting build-up of pressure value instability, and be difficult in and carry out pressure regulation under the pressure condition with higher, long-term work also can make pressure adjusting spring produce fatigue deformation and damage, can reduce greatly working life, so its defective is the force value instability, can not be in proper functioning under the hyperbaric environment, working life is low.
The purpose of this utility model is, provide a kind of pressure regulation stable, can be in proper functioning under the hyperbaric environment, and working life long pressure regulator valve.
In order to achieve the above object, the solution that the utility model is taked is, it comprises the pressure regulation valve body, pressure regulating part, pressure adjusting spring and adjusting pressuring valve core, described pressure regulation valve body is provided with the valve ante-chamber, the valve back cavity, overflow hole, pod apertures and drain hole, described overflow hole is the overflow ducts that is communicated with described valve ante-chamber and valve back cavity, above-mentioned pod apertures is connected with above-mentioned valve ante-chamber, above-mentioned drain hole is connected with described valve back cavity, described pressure adjusting spring, the spring top-pressure part of adjusting pressuring valve core and described pressure regulating part all is arranged in the valve back cavity of above-mentioned pressure regulation valve body, described adjusting pressuring valve core and described spring top-pressure part and above-mentioned pressure regulation valve body are slidingly matched, the two ends difference roof pressure of described pressure adjusting spring is on described spring top-pressure part and adjusting pressuring valve core, described adjusting pressuring valve core is by the outlet port of roof pressure shutoff at described overflow hole, be characterized in, it also comprises the main slide valve body, be provided with the main slide valve core and the main slide valve core Returnning spring of inner guide channel, above-mentioned main slide valve body is provided with fluid entry port and fluid discharge outlet, described fluid entry port and fluid discharge outlet all are the pipeline pilot holes that are used to seal the assembling fluid delivery tube, described main slide valve core is arranged in the inner chamber of above-mentioned main slide valve body, and be slidingly matched by its slider guide and above-mentioned main slide valve body, above-mentioned slider guide is separated into main slide valve ante-chamber and main slide valve back cavity two-part with the inner chamber of described main slide valve body, described fluid entry port and fluid discharge outlet all are the through holes that are connected with described main slide valve ante-chamber, described main slide valve body is assemblied on the pressure regulation valve body hermetically, above-mentioned main slide valve back cavity is connected with pod apertures on the pressure regulation valve body, the follower head of above-mentioned main slide valve core and described pressure regulation valve body are slidingly matched, and the drain hole on above-mentioned main slide valve back cavity and the pressure regulation valve body separated, the inside guide channel of described main slide valve core is connected with fluid discharge outlet on above-mentioned drain hole and the main slide valve body respectively.Described slider guide is provided with the damping hole that makes the small aperture that above-mentioned main slide valve ante-chamber is connected with the main slide valve back cavity, and the front end block head on the above-mentioned main slide valve core is by the inner port place of roof pressure shutoff at above-mentioned fluid discharge outlet.Under the normal condition, fluid (as hydraulic oil, various liquid, water and gas) enters into above-mentioned main slide valve ante-chamber from above-mentioned fluid entry port, and enter into the main slide valve back cavity by described damping hole (aperture is less), enter into the valve ante-chamber and the overflow hole of pressure regulation valve body again by above-mentioned pod apertures, but because hydrodynamic pressure is within the predefined normal pressure value, therefore, above-mentioned adjusting pressuring valve core and main slide valve core all are in closed condition, do not have fluid to discharge from the drain hole of above-mentioned pressure regulation valve body and the fluid discharge outlet of main slide valve body.When hydrodynamic pressure is elevated to greater than the force value set, then hydrodynamic pressure is greater than the elastic force of above-mentioned pressure adjusting spring, regulating spool promptly can be backed down by fluid, fluid can flow to the valve back cavity of above-mentioned pressure regulation valve body from overflow hole, and by above-mentioned drain hole, the inside guide channel and the above-mentioned fluid discharge outlet of main slide valve core are discharged on a small quantity, thereby reduced the hydrodynamic pressure in the main slide valve back cavity, because the aperture of above-mentioned damping hole is very little, therefore the hydrodynamic pressure in pipeline and the above-mentioned main slide valve ante-chamber can not release very soon, and still keep elevated pressures, thereby between main slide valve ante-chamber and main slide valve back cavity, form pressure difference, be in the main slide valve ante-chamber hydrodynamic pressure greater than the hydrodynamic pressure in the main slide valve back cavity, when above-mentioned pressure difference during greater than the elastic force of described main slide valve core Returnning spring, then above-mentioned main slide valve core can be pushed, and its front end block head is opened, and described fluid entry port directly is communicated with fluid discharge outlet, the quick overflow of fluid in the pipeline, and make force value be stabilized in predefined force value.Regulate above-mentioned pressure regulating part, change pressure adjusting spring elastic force, i.e. can regulate setup pressure value, thus reach the purpose of pressure regulation.
Above-mentioned pressure regulating part can adopt common various structures, but it is an adjusting screw that cooperates with described pressure regulator valve intracoelomic cavity screwed preferably, or voltage regulation part that comprises spring roof pressure slide block and screw handle, the described handle of screwing constitutes the screwed cooperating structure by outside thread on its internal thread and the above-mentioned pressure regulation valve body and described pressure regulation valve body, described intracavity posterior end wall roof pressure of screwing handle is on described spring roof pressure slide block, and the sinciput pressure side head of above-mentioned adjusting screw, above-mentioned spring roof pressure slide block are exactly described spring top-pressure part.
Above-mentioned main slide valve core Returnning spring can be that an end is arranged on the main slide valve body, the other end be arranged on the extension spring on the main slide valve core or be enclosed within on the main slide valve core two ends respectively roof pressure on the pressure regulation valve body and the pressure spring on the above-mentioned slider guide etc., but above-mentioned main slide valve core Returnning spring preferably is arranged on the interior pressure spring of inside guide channel of described main slide valve core, and its two ends difference roof pressure is on the described main slide valve core and on the described pressure regulation valve body.
At the valve ante-chamber of described pressure regulation valve body and the damp block that is provided with described overflow hole between the valve back cavity, it is above-mentioned pressure regulation valve body part of the whole, or be assemblied in herein overflow block, the outlet port of the overflow hole of described adjusting pressuring valve core roof pressure shutoff on described overflow block, be equipped with the sealing plug in the sealing of the valve ante-chamber external port place of above-mentioned pressure regulation valve body, but above-mentioned damp block preferably is assemblied in the above-mentioned overflow block between described valve ante-chamber and the valve back cavity, this structure both had been convenient to its making, was convenient to its dismounting maintenance again.
Because the utility model has adopted said structure; the setting of parts such as main slide valve body and main slide valve core; make pressure adjusting spring avoid fluid high-pressure to its direct impact; and the less sub-high pressure effect of only bearing the fluid of small aperture damping hole importing; thereby make it be subjected to effective protection; and bigger distortion can not take place; thereby its force value is more stable; and can make whole valve body bear higher hydrodynamic pressure; therefore; it is stable that it has the force value of adjusting; can be under the elevated pressures environment proper functioning; the advantage that working life is long, it bears force value generally can reach 70Mpa, is 2～3 times of common pressure adjustment relief valve.
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is a structural drawing of the present utility model;
In structural drawing shown in Figure 1, the utility model comprises pressure regulation valve body 4, pressure regulating part, pressure adjusting spring 3 and adjusting pressuring valve core 10, pressure regulation valve body 4 is provided with valve ante-chamber 8, valve back cavity 5, overflow hole 7, pod apertures 11 and drain hole 12, overflow hole 7 is overflow ducts of connecting valve ante-chamber 8 and valve back cavity 5, pod apertures 11 is connected with above-mentioned valve ante-chamber 8, drain hole 12 is connected with valve back cavity 5, above-mentioned pressure adjusting spring 3, the spring top-pressure part of adjusting pressuring valve core 10 and described pressure regulating part all is arranged in the valve back cavity 5 of above-mentioned pressure regulation valve body 3, adjusting pressuring valve core 10 and described spring top-pressure part and above-mentioned pressure regulation valve body 3 are slidingly matched, the two ends difference roof pressure of pressure adjusting spring 3 is on described spring top-pressure part and adjusting pressuring valve core 10, described adjusting pressuring valve core 10 is by the outlet port of roof pressure shutoff at above-mentioned overflow hole 7, in Fig. 1, the utility model also comprises main slide valve body 15, be provided with the main slide valve core 21 and the main slide valve core Returnning spring 23 of inner guide channel 19, described main slide valve body 15 is provided with fluid entry port 14 and fluid discharge outlet 16, and described fluid entry port 14 and fluid discharge outlet 16 all are the pipeline pilot holes that are used to seal the assembling fluid delivery tube.Main slide valve core 21 is arranged in the inner chamber of above-mentioned main slide valve body 15, and be slidingly matched by its slider guide 20 and above-mentioned main slide valve body 15, above-mentioned slider guide 20 is separated into main slide valve ante-chamber 18 and main slide valve back cavity 22 two-part with the inner chamber of described main slide valve body 15, described fluid entry port 14 and fluid discharge outlet 16 all are the through holes that are connected with described main slide valve ante-chamber 18, above-mentioned main slide valve body 15 is assemblied on the pressure regulation valve body 4 hermetically, above-mentioned main slide valve back cavity 22 is connected with pod apertures 11 on the pressure regulation valve body 4, the follower head of above-mentioned main slide valve core 21 and pressure regulation valve body 4 are slidingly matched, and described main slide valve back cavity 22 and the drain hole 12 on the above-mentioned pressure regulation valve body 4 separated, the inside guide channel 19 of above-mentioned main slide valve core 21 is connected with fluid discharge outlet 16 on above-mentioned drain hole 12 and the main slide valve body 15 respectively.Above-mentioned slider guide 20 is provided with the damping hole 13 of the small aperture that is communicated with described main slide valve ante-chamber 18 and main slide valve back cavity 22, and the front end block head 17 on the described main slide valve core 21 is by the inner port place of roof pressure shutoff at above-mentioned fluid discharge outlet 16.In Fig. 1, above-mentioned pressure regulating part is by spring roof pressure slide block 2 and screws the voltage regulation part that handle 1 constitutes, screw handle 1 by the outside thread on its internal thread and the pressure regulation valve body 4, constitute the screwed cooperating structure with pressure regulation valve body 4, the intracavity posterior end wall roof pressure of screwing handle 1 is on spring roof pressure slide block 2, and spring roof pressure slide block 2 promptly is described spring top-pressure part.In Fig. 1, main slide valve core Returnning spring 23 is arranged on the pressure spring in the inside guide channel 19 of described main slide valve core 21, its two ends respectively roof pressure on the described main slide valve core 21 and on the described pressure regulation valve body 4.For the ease of making and maintenance, in Fig. 1, at the valve ante-chamber 8 of above-mentioned pressure regulation valve body 4 and the damp block that is provided with above-mentioned overflow hole 7 between the valve back cavity 5, it is the overflow block 6 that is assemblied in herein, the outlet port of the overflow hole 7 of above-mentioned adjusting pressuring valve core 10 roof pressure shutoff on described overflow block 6 is equipped with sealing plug 9 in the sealing of the valve ante-chamber 8 external port places of above-mentioned pressure regulation valve body 4.In Fig. 1, sealing plug 9 is shutoff bolts, and fluid entry port 14 and fluid discharge outlet 16 are the thread seal connecting structure with the sealing assembly structure of respective line, when it adopts other sealing assembly structure, also belongs to protection domain of the present utility model.Among Fig. 1, main slide valve body 15 adopts the sealing assembly structures that screw is fastening, both butt joint places add sealing gasket with pressure regulation valve body 4, when it adopts screw thread to screw to wait other sealing assembly structure, also belongs to protection domain of the present utility model.
In Fig. 1, described pressure regulating part also comprises the handle back-up ring 24 of a screwed on pressure regulation valve body 4, handle back-up ring 24 retainings are in the inboard of screwing handle 1, be used for secondary locking and screw handle 1, prevent that it from sliding, certainly it can also comprise with spring roof pressure slide block 2 with screw hook that handle 1 is bound up or connecting rod etc.No matter whether the utility model is provided with handle back-up ring 24, and also no matter whether it is provided with above-mentioned hook or connecting rod etc., and each structure all belongs to protection domain of the present utility model.
Claims (4)
1, a kind of pressure regulator valve, comprise pressure regulation valve body [4], pressure regulating part, pressure adjusting spring [3] and adjusting pressuring valve core [10], described pressure regulation valve body [4] is provided with valve ante-chamber [8], valve back cavity [5], overflow hole [7], pod apertures [11] and drain hole [12], described overflow hole [7] is the overflow ducts that is communicated with described valve ante-chamber [8] and valve back cavity [5], described pod apertures [11] is connected with above-mentioned valve ante-chamber [8], described drain hole [12] is connected with described valve back cavity [5], described pressure adjusting spring [3], the spring top-pressure part of adjusting pressuring valve core [10] and described pressure regulating part all is arranged in the valve back cavity [5] of above-mentioned pressure regulation valve body [3], described adjusting pressuring valve core [10] and described spring top-pressure part and above-mentioned pressure regulation valve body [3] are slidingly matched, the two ends difference roof pressure of described pressure adjusting spring [3] is on described spring top-pressure part and adjusting pressuring valve core [10], described adjusting pressuring valve core [10] is by the outlet port of roof pressure shutoff in described overflow hole [7], it is characterized in that, it also comprises main slide valve body [15], be provided with the main slide valve core [21] and the main slide valve core Returnning spring of inner guide channel [19], described main slide valve body [15] is provided with fluid entry port [14] and fluid discharge outlet [16], described fluid entry port [14] and fluid discharge outlet [16] all are the pipeline pilot holes that are used to seal the assembling fluid delivery tube, described main slide valve core [21] is arranged in the inner chamber of above-mentioned main slide valve body [15], and be slidingly matched by its slider guide [20] and above-mentioned main slide valve body [15], described slider guide [20] is separated into main slide valve ante-chamber [18] and main slide valve back cavity [22] two-part with the inner chamber of described main slide valve body [15], described fluid entry port [14] and fluid discharge outlet [16] all are the through holes that are connected with described main slide valve ante-chamber [18], described main slide valve body [15] is assemblied on the pressure regulation valve body [4] hermetically, described main slide valve back cavity [22] is connected with pod apertures [11] on the described pressure regulation valve body [4], the follower head of described main slide valve core [21] and described pressure regulation valve body [4] are slidingly matched, and the drain hole [12] on described main slide valve back cavity [22] and the above-mentioned pressure regulation valve body [4] separated, the inside guide channel [19] of described main slide valve core [21] is connected with fluid discharge outlet [16] on above-mentioned drain hole [12] and the main slide valve body [15] respectively, described slider guide [20] is provided with the damping hole [13] that makes the small aperture that described main slide valve ante-chamber [18] is connected with main slide valve back cavity [22], and the front end block head [17] of described main slide valve core [21] is by the inner port place of roof pressure shutoff at described fluid discharge outlet [16].
2, pressure regulator valve according to claim 1, it is characterized in that, described pressure regulating part is one and screws the adjusting screw that cooperates with described pressure regulation valve body [4] thread in inner cavity, or voltage regulation part that comprises spring roof pressure slide block [2] and screw handle [1], the described handle [1] of screwing constitutes the screwed cooperating structure by outside thread on its internal thread and the described pressure regulation valve body [4] and described pressure regulation valve body [4], described intracavity posterior end wall roof pressure of screwing handle [1] on described spring roof pressure slide block [2], the sinciput pressure side head of described adjusting screw, described spring roof pressure slide block [2] is exactly described spring top-pressure part.
3, pressure regulator valve according to claim 1, it is characterized in that, described main slide valve core Returnning spring is arranged on the interior pressure spring of inside guide channel [19] of described main slide valve core [21], and roof pressure is distinguished on described main slide valve core [21] and on the described pressure regulation valve body [4] in its two ends.
4, pressure regulator valve according to claim 1, it is characterized in that, be positioned at the valve ante-chamber [8] of described pressure regulation valve body [4] and the damp block that is provided with described overflow hole [7] between the valve back cavity [5], it is described pressure regulation valve body [4] part of the whole, or be assemblied in herein overflow block [6], the outlet port of the overflow hole [7] of described adjusting pressuring valve core [10] roof pressure shutoff on described overflow block [6], at valve ante-chamber [8] the external port place of described pressure regulation valve body [4], sealing is equipped with sealing plug [9].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01274677 CN2517937Y (en) | 2001-12-27 | 2001-12-27 | Pressure regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01274677 CN2517937Y (en) | 2001-12-27 | 2001-12-27 | Pressure regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2517937Y true CN2517937Y (en) | 2002-10-23 |
Family
ID=33679257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01274677 Expired - Fee Related CN2517937Y (en) | 2001-12-27 | 2001-12-27 | Pressure regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2517937Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011113206A1 (en) * | 2010-03-18 | 2011-09-22 | White (China) Drive Products, Co., Ltd. | Bi-directional cartridge relief valve |
| CN104315158A (en) * | 2014-10-09 | 2015-01-28 | 盐城百圣机械有限公司 | Fluid valve capable of being automatically opened and closed |
-
2001
- 2001-12-27 CN CN 01274677 patent/CN2517937Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011113206A1 (en) * | 2010-03-18 | 2011-09-22 | White (China) Drive Products, Co., Ltd. | Bi-directional cartridge relief valve |
| CN104315158A (en) * | 2014-10-09 | 2015-01-28 | 盐城百圣机械有限公司 | Fluid valve capable of being automatically opened and closed |
| CN104315158B (en) * | 2014-10-09 | 2016-08-17 | 盐城百圣机械有限公司 | A kind of can the Fluid valve of automatic shutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |