CN201539612U - Pressure regulating valve without hydraulic impact - Google Patents
Pressure regulating valve without hydraulic impact Download PDFInfo
- Publication number
- CN201539612U CN201539612U CN2009202631012U CN200920263101U CN201539612U CN 201539612 U CN201539612 U CN 201539612U CN 2009202631012 U CN2009202631012 U CN 2009202631012U CN 200920263101 U CN200920263101 U CN 200920263101U CN 201539612 U CN201539612 U CN 201539612U
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- throttling
- square
- grooves
- groove
- valve
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Abstract
The utility model discloses a pressure regulating valve without hydraulic impact, which comprises a valve cover, a pressure regulating screw, a locking nut, a spring, a spring base, a valve body and a valve spool used for eliminating hydraulic impact. The valve body is provided with an oil inlet and an oil outlet, and pluralities of throttling grooves are peripherally uniformly distributed at one end of the valve spool close to the air inlet. The pressure regulating valve is characterized in that the pluralities of throttling grooves are all variable cross-section throttling grooves. The pressure regulating valve can effectively eliminate hydraulic impact caused by hydraulic oil on conditions of a relatively short and effective throttling stroke, thereby avoiding damaging oil pumps and relative parts thereof caused by the hydraulic impact, and ensuring normal and high-efficient operation of a diesel engine lubricating system.
Description
Technical field
The utility model relates to a kind of hydraulic element, is meant that specifically a kind of no hydraulic pressure impacts pressure regulator valve.
Background technique
The hydraulic pressure pressure regulator valve is a common component in the hydraulic equipment, hydraulic pressure pressure regulator valve of the prior art as shown in Figure 1 to Figure 3, it comprises valve gap 1, pressure regulating screw 2, locking nut 3, spring 4, spring seat 5, valve body 7 and the spool 6 that is used to eliminate hydraulic shock, valve body 7 is provided with filler opening 8 and oil outlet 9, spool 6 is installed in the valve body 7, spool 6 has inner chamber, spring 4 is positioned at inner chamber, one end of spring 4 and the inner chamber of spool 6 offset, the other end and pressure regulating screw 2 offset, and valve gap 1 links to each other with valve body 7 by screw, thereby with spring seat 5, spring 4 and spool 6 are locked in the valve body 7, pressure regulating screw 2 stretches out outside the valve gap 1, and links to each other with locking nut 3.Wherein, spool 6 is eliminated the hydraulic shock that hydraulic oil produces offering four square throttling groove 6a near an end of filler opening is circumferentially uniform by throttling groove 6a, supplies with to oil machinery with stable oil pressure.There is following defective in the throttling groove of offering in the spool 6 in the prior art:
(1) the effective throttling stroke L1 in the throttling groove in the above-mentioned spool is generally greater than 25mm, make that throttling groove needs to eliminate the hydraulic shock that hydraulic oil produces by big effectively throttling stroke, make whole pressure regulator valve volume strengthen, increase the manufacture cost and the installing space of pressure regulator valve.
(2) even if adopt the big effectively throttling groove of throttling stroke in the above-mentioned spool, the hydraulic shock that still can not guarantee to eliminate hydraulic oil fully and produced, for need are regulated the oil pressure fuel feeding by pressure regulator valve machinery, can not be preferably, voltage stabilizing ground, continuously component of machine is carried out fuel feeding.
The model utility content
The purpose of this utility model provides a kind of no hydraulic pressure and impacts the pressure regulator valve structure, this pressure regulator valve can be under short effective throttling stroke, effectively eliminate the hydraulic shock that hydraulic oil brings, thereby avoid hydraulic shock infringement oil pump and relevant component thereof, guarantee normal, the efficient operation of lubricating system of diesel oil engine.
Above-mentioned purpose of the present utility model realizes by following technical solution: a kind of no hydraulic pressure impacts pressure regulator valve, it comprises valve gap, pressure regulating screw, locking nut, spring, spring seat, valve body and is used to eliminate the spool of hydraulic shock, described valve body is provided with filler opening and oil outlet, described spool is offering a plurality of throttling grooves near an end of filler opening is circumferentially uniform, and it is characterized in that: described a plurality of throttling grooves are the variable cross section throttling groove.
The throttling groove of the utility model pressure regulator valve adopts the variable cross section throttling groove, in order to eliminate the hydraulic shock that pressure oil brings, avoids hydraulic shock infringement oil pump and relevant component thereof.
Described a plurality of throttling groove comprises four prescription shape throttling grooves and four triangle throttling grooves, and described four prescription shape throttling grooves and four triangle throttling grooves are staggered uniform.
Each group throttling groove in the described four prescription shape throttling grooves constitutes by a square shaped throttling groove, be respectively the short groove of square throttling elongated slot and square throttling, four square throttling elongated slots and four short grooves of square throttling in the four prescription shape throttling grooves are staggered uniform, the pairing central angle of the short groove of adjacent square throttling elongated slot and square throttling is 45, described four triangle throttling grooves lay respectively on the center line of adjacent square throttling elongated slot and the short groove of square throttling, and the adjacent pairing central angle of triangle throttling groove is 90 ° of angles.
Effective throttling stroke L2 of described square throttling elongated slot is 9mm.
Effective throttling stroke L3 of the short groove of described square throttling is 7.5mm.
Effective throttling stroke L4 of described triangle throttling groove is 9.8mm.
Compared with prior art, the beneficial effects of the utility model are:
The utility model does not have hydraulic pressure and impacts pressure regulator valve owing to adopt the special construction design of variable throttling slot spool, offer throttling groove multistage, square and the triangle variable cross section in the spool, effective throttling stroke of square throttling elongated slot only has 9mm, make pressure oil after by this pressure regulator valve, can effectively eliminate hydraulic shock fast, thereby avoid hydraulic shock infringement oil pump and relevant component thereof, guarantee normal, the efficient operation of lubricating system of diesel oil engine, and dwindle the volume of pressure regulator valve greatly.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in detail:
Fig. 1 is the overall structure schematic representation of hydraulic pressure pressure regulator valve in the prior art;
Fig. 2 is the structural representation of spool in the prior art;
Fig. 3 is the side view of Fig. 2;
Fig. 4 is that the utility model does not have the overall structure schematic representation that hydraulic pressure impacts pressure regulator valve;
Fig. 5 is that the utility model does not have the side view that hydraulic pressure impacts spool in the pressure regulator valve;
Fig. 6 is the A-A echelon sectional view of Fig. 5;
Fig. 7 is that B among Fig. 5 is to enlarged view;
Fig. 8 is the C-C partial sectional view among Fig. 7.
Embodiment
A kind of no hydraulic pressure extremely shown in Figure 8 as Fig. 4 impacts pressure regulator valve, it comprises valve gap 1, pressure regulating screw 2, locking nut 3, spring 4, spring seat 5, valve body 7 and the spool 10 that is used to eliminate hydraulic shock, valve body 7 is provided with filler opening 8 and oil outlet 9, spool 10 has inner chamber, spring 4 is positioned at inner chamber, one end of spring 4 and the inner chamber of spool 10 offset, the other end and pressure regulating screw 2 offset, valve gap 1 links to each other with valve body 7 by screw, thereby with spring seat 5, spring 4 and spool 10 are locked in the valve body 7, pressure regulating screw 2 stretches out outside the valve gap 1, and link to each other with locking nut 3, spool 10 is used to eliminate the hydraulic shock that hydraulic oil brings offering a plurality of throttling grooves near an end of filler opening 8 is circumferentially uniform, a plurality of throttling grooves are the variable cross section throttling groove, and promptly the cross section of throttling groove to the outer end of spool diminishes inwards gradually.
A plurality of throttling grooves comprise four prescription shape throttling grooves and four triangle throttling groove 10c, and four prescription shape throttling grooves and four triangle throttling groove 10c are staggered uniform.
Each group throttling groove in the four prescription shape throttling grooves in the present embodiment constitutes by a square shaped throttling groove, be respectively the short groove 10b of square throttling elongated slot 10a and square throttling, four square throttling elongated slot 10a and four short groove 10b of square throttling in the four prescription shape throttling grooves are staggered uniform, the pairing central angle of the short groove 10b of adjacent square throttling elongated slot 10a and square throttling is 45, effective throttling stroke L2 of square throttling elongated slot 10a is 9mm, effective throttling stroke L3 of the short groove 10b of square throttling is 7.5mm, article four, triangle throttling groove 10c lays respectively on the center line of adjacent square throttling elongated slot 10a and the short groove 10b of square throttling, the adjacent pairing central angle of triangle throttling groove 10c is 90 ° of angles, and effective throttling stroke L4 of triangle throttling groove 10c is 9.8mm.
Spool 10 in the utility model adopts multistage, square and leg-of-mutton variable cross section throttling groove, effective throttling stroke of throttling groove only is 9mm, not only can make pressure oil after by this pressure regulator valve, can effectively eliminate hydraulic shock fast, and reducing the volume of spool 10, the volume of valve body 7 is just littler.The degree of depth by rotation pressure regulating screw 2 then can reach the oil pressure effect of regulating.
Claims (6)
1. a no hydraulic pressure impacts pressure regulator valve, it comprises valve gap (1), pressure regulating screw (2), locking nut (3), spring (4), spring seat (5), valve body (7) and is used to eliminate the spool (10) of hydraulic shock, described valve body (7) is provided with filler opening (8) and oil outlet (9), described spool (10) is offering a plurality of throttling grooves near an end of filler opening is circumferentially uniform, and it is characterized in that: described a plurality of throttling grooves are the variable cross section throttling groove.
2. a kind of no hydraulic pressure according to claim 1 impacts pressure regulator valve, it is characterized in that: described a plurality of throttling grooves comprise four prescription shape throttling grooves and four triangle throttling grooves (10c), and described four prescription shape throttling grooves and four triangle throttling grooves (10c) are staggered uniform.
3. a kind of no hydraulic pressure according to claim 2 impacts pressure regulator valve, it is characterized in that: each the group throttling groove in the described four prescription shape throttling grooves constitutes by a square shaped throttling groove, be respectively the short groove (10b) of square throttling elongated slot (10a) and square throttling, four square throttling elongated slots (10a) in the four prescription shape throttling grooves and four short grooves of square throttling (10b) are staggered uniform, the pairing central angle of the short groove (10b) of adjacent square throttling elongated slot (10a) and square throttling is 45, described four triangle throttling grooves (10c) lay respectively on the center line of adjacent square throttling elongated slot (10a) and the short groove of square throttling (10b), and the adjacent pairing central angle of triangle throttling groove (10c) is 90 ° of angles.
4. a kind of no hydraulic pressure according to claim 3 impacts pressure regulator valve, and it is characterized in that: effective throttling stroke (L2) of described square throttling elongated slot (10a) is 9mm.
5. a kind of no hydraulic pressure according to claim 3 impacts pressure regulator valve, and it is characterized in that: effective throttling stroke (L3) of the described short groove of square throttling (10b) is 7.5mm.
6. a kind of no hydraulic pressure according to claim 3 impacts pressure regulator valve, and it is characterized in that: effective throttling stroke (L4) of described triangle throttling groove (10c) is 9.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202631012U CN201539612U (en) | 2009-11-20 | 2009-11-20 | Pressure regulating valve without hydraulic impact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202631012U CN201539612U (en) | 2009-11-20 | 2009-11-20 | Pressure regulating valve without hydraulic impact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201539612U true CN201539612U (en) | 2010-08-04 |
Family
ID=42591064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202631012U Expired - Fee Related CN201539612U (en) | 2009-11-20 | 2009-11-20 | Pressure regulating valve without hydraulic impact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201539612U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677709A (en) * | 2020-06-08 | 2020-09-18 | 大连海事大学 | Voice coil motor directly drives long chute valve port water hydraulic pressure choke valve |
| CN113074029A (en) * | 2021-04-14 | 2021-07-06 | 浙江尔格科技股份有限公司 | Oil pump pressure reducing valve and oil pump for internal combustion engine using same |
| WO2022217491A1 (en) * | 2021-04-14 | 2022-10-20 | 浙江尔格科技股份有限公司 | Pressure reducing valve for engine oil pump, and engine oil pump for internal combustion engine using pressure reducing valve |
-
2009
- 2009-11-20 CN CN2009202631012U patent/CN201539612U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111677709A (en) * | 2020-06-08 | 2020-09-18 | 大连海事大学 | Voice coil motor directly drives long chute valve port water hydraulic pressure choke valve |
| CN111677709B (en) * | 2020-06-08 | 2021-12-10 | 大连海事大学 | Voice coil motor directly drives long chute valve port water hydraulic pressure choke valve |
| CN113074029A (en) * | 2021-04-14 | 2021-07-06 | 浙江尔格科技股份有限公司 | Oil pump pressure reducing valve and oil pump for internal combustion engine using same |
| WO2022217491A1 (en) * | 2021-04-14 | 2022-10-20 | 浙江尔格科技股份有限公司 | Pressure reducing valve for engine oil pump, and engine oil pump for internal combustion engine using pressure reducing valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100804 Termination date: 20141120 |
|
| EXPY | Termination of patent right or utility model |