CN217107646U - Speed regulating valve - Google Patents
Speed regulating valve Download PDFInfo
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- CN217107646U CN217107646U CN202220944381.9U CN202220944381U CN217107646U CN 217107646 U CN217107646 U CN 217107646U CN 202220944381 U CN202220944381 U CN 202220944381U CN 217107646 U CN217107646 U CN 217107646U
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- valve
- spring
- valve body
- valve core
- adjusting nut
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Abstract
The utility model discloses a speed regulating valve, which comprises a hollow valve body, a valve core and a spring, wherein the valve core and the spring are arranged in the valve body; an oil inlet is formed in the right end of the valve body, and an oil outlet is formed in the side wall of the valve body; the valve core and the spring are sequentially arranged from right to left, the valve core is in sealing sliding fit with the valve body, the left end of the valve core is abutted against the right end of the spring, a flow channel is formed in the valve core, a throttling hole for communicating the flow channel with the oil inlet is formed in the right end of the valve core, and a radial hole for communicating the flow channel with the oil outlet is formed in the side wall of the valve core; the left end of the valve body is assembled with an adjusting nut, and the inner thread of the adjusting nut is connected with an adjusting rod of which the left end extends out of the adjusting nut; the left end of the spring extends into the adjusting nut and is connected with the right end head of the adjusting rod. The utility model can ensure the inlet and outlet pressure of the speed regulating valve to be consistent and the flow to be stable through the arranged valve body, the valve core and the spring; the flow of the regulating valve can be conveniently regulated by the additionally arranged regulating rod.
Description
Technical Field
The utility model relates to the technical field of valves, concretely relates to governing valve.
Background
The speed regulating valve is a combined valve formed by connecting a constant-differential pressure reducing valve and a throttle valve in series, the throttle valve is used for regulating the flow passing through, and the constant-differential pressure reducing valve automatically compensates the influence of load change, so that the pressure difference between the front and the rear of the throttle valve is a constant value, and the influence of the load change on the flow is eliminated.
However, the existing speed regulating valve is generally unstable in flow and inconvenient in flow regulation. Therefore, the technical staff needs to solve the problem that the flow of the speed regulating valve is stable and the flow is convenient to regulate.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that needs to solve provides a governing valve, and not only the flow is stable, and flow control is convenient moreover.
In order to solve the technical problem, the utility model adopts the following technical proposal.
The speed regulating valve comprises a valve body with a hollow structure, a valve core and a spring, wherein the valve core and the spring are arranged in the valve body; an oil inlet is formed in the right end of the valve body, and an oil outlet is formed in the side wall of the valve body; the valve core and the spring are sequentially arranged from right to left, the valve core is in sealing sliding fit with the valve body, the left end of the valve core is abutted against the right end of the spring, a flow channel is formed in the valve core, a throttling hole for communicating the flow channel with the oil inlet is formed in the right end of the valve core, and a radial hole for communicating the flow channel with the oil outlet is formed in the side wall of the valve core; the left end of the valve body is provided with an adjusting nut, and the inner thread of the adjusting nut is connected with an adjusting rod of which the left end extends out of the adjusting nut; the left end of the spring extends into the adjusting nut and is connected with the right end head of the adjusting rod.
Preferably, a side port is formed in the side wall of the valve body, is positioned between the oil inlet and the oil outlet, and can be communicated with the oil inlet after the valve core moves leftwards, and the side port is communicated with the oil tank.
Preferably, the orifice is flared.
Preferably, a spring retainer ring for abutting against the spring is arranged at the left end of the valve core.
Preferably, the left end of the adjusting nut is provided with a locking nut in threaded connection with the adjusting rod.
Preferably, a first O-shaped sealing ring is arranged between the annular joint assembled by the valve body and the adjusting nut.
Preferably, the right end of the adjusting rod extending into the adjusting nut is circumferentially provided with an annular groove, and a second O-shaped sealing ring for sealing between the adjusting rod and the adjusting nut is arranged in the annular groove.
Due to the adoption of the technical scheme, the utility model has the following technical progress.
The utility model can ensure the inlet and outlet pressure of the speed regulating valve to be consistent and the flow to be stable through the arranged valve body, the valve core and the spring; the flow of the regulating valve can be conveniently regulated by the additionally arranged regulating rod.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein: 1. the valve comprises a valve body, 11, an oil inlet, 12, an oil outlet, 13, a bypass port, 2, a valve core, 21, a throttle hole, 22, a flow passage, 23, a radial hole, 3, an adjusting nut, 4, a spring retainer ring, 5, an adjusting rod, 6, a spring, 7, a locking nut, 8, a first O-shaped sealing ring and 9, a second O-shaped sealing ring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
A speed regulating valve is shown in a combined figure 1 and comprises a valve body 1, a valve core 2 and a spring 6, wherein the valve body 1 is of a hollow structure; the valve core 2 and the spring 6 are arranged inside the valve body 1 and are sequentially arranged from right to left.
The right end of the valve body 1 is provided with an oil inlet 11, an oil outlet 12 and a bypass port 13 are formed in the side wall of the valve body 1, the bypass port 13 is located between the oil inlet 11 and the oil outlet 12, and the bypass port 13 is communicated with an oil tank.
The valve core 2 is in sealing sliding fit with the valve body 1, a flow passage 22 is formed in the valve core 2, a throttling hole 21 is formed in the right end of the valve core 2, and the throttling hole 21 is in a horn shape and is used for communicating the flow passage 22 with the oil inlet 11. The side wall of the valve core 2 is provided with a radial hole 23, and the radial hole 23 is correspondingly formed with the oil outlet 12 and used for communicating the flow passage 22 with the oil outlet 12. When the valve core 2 moves leftwards under the action of pressure difference at two ends, the radial hole 23 and the oil outlet 12 are overlapped and covered; when the valve core 2 moves a certain distance leftwards, the oil inlet 11 is communicated with the bypass port 13.
The left end of case 2 is provided with spring collar 4, and spring collar 4 is used for propping against spring 6 from the right-hand member of spring 6, realizes the butt of case 2 and spring 6.
The left end of the valve body 1 is assembled with the adjusting nut 3, and a first O-shaped sealing ring 8 is arranged between the annular joint of the valve body 1 and the adjusting nut 3, so that the sealing connection between the valve body 1 and the adjusting nut 3 is realized.
The inside threaded connection of adjusting nut 3 has adjusting pole 5, and adjusting pole 5's left end stretches out adjusting nut 3, and adjusting pole 5's right-hand member stretches into adjusting nut 3's inside and has seted up the annular groove along circumference, is provided with second O type sealing washer 9 in the annular groove, and second O type sealing washer 9 is used for realizing adjusting the sealed of pole 5 and adjusting nut 3 within a definite time.
The left end of the adjusting nut 3 is provided with a locking nut 7, and the locking nut 7 is in threaded connection with the adjusting rod 5.
The left end of the spring 6 extends into the adjusting nut 3 and is connected with the right end of the adjusting rod 5, the spring 6 can be driven to compress by rotating the adjusting rod 5, and then the leftward displacement of the valve core 2 is changed.
The utility model discloses when using, when 11 oil intakes of oil inlet, fluid passes through the left chamber of orifice 21 flow direction case 2, fluid is through radial hole 23 flow direction oil-out 12 again, along with 11 oil hydraulic pressure force increases of oil inlet, 2 right-hand members of case and 2 left ends of case produce pressure differential, right-hand member hydraulic pressure force is greater than the left end, case 2 overcomes the elasticity of spring 6 and removes to the left end under the hydraulic force effect, because case 2 displacement left, radial hole 23 and 12 coincidence of oil-out cover, increase along with the volume of covering, 2 left end oil pocket pressure of case increase, thereby reach the exit pressure keep unanimous of this governing valve, the flow is stable.
When the flow of the speed regulating valve needs to be regulated, the regulation can be realized by rotating the regulating rod 5. When the adjusting rod 5 is rotated clockwise, the adjusting rod 5 moves rightwards, the spring 6 is compressed along with the adjusting rod, the elastic force is increased, the leftward displacement of the valve core 2 is reduced, the oil passing amount of the speed regulating valve is increased, and otherwise, the oil passing amount is reduced.
Claims (7)
1. The speed regulating valve comprises a hollow valve body (1), a valve core (2) and a spring (6), wherein the valve core (2) and the spring are arranged in the valve body (1); an oil inlet (11) is formed in the right end of the valve body (1), and an oil outlet (12) is formed in the side wall of the valve body (1); case (2) and spring (6) set gradually from the right side left, case (2) and the sealed sliding fit of valve body (1), the left end of case (2) and the right-hand member butt of spring (6), its characterized in that: a flow channel (22) is formed in the valve core (2), a throttling hole (21) used for communicating the flow channel (22) with the oil inlet (11) is formed in the right end of the valve core (2), and a radial hole (23) used for communicating the flow channel (22) with the oil outlet (12) is formed in the side wall of the valve core (2); the left end of the valve body (1) is provided with an adjusting nut (3), and the inner thread of the adjusting nut (3) is connected with an adjusting rod (5) of which the left end extends out of the adjusting nut (3); the left end of the spring (6) extends into the adjusting nut (3) and is connected with the right end head of the adjusting rod (5).
2. The speed valve of claim 1, wherein: the side wall of the valve body (1) is provided with a bypass port (13) which is positioned between the oil inlet (11) and the oil outlet (12) and can be communicated with the oil inlet (11) after the valve core (2) moves leftwards, and the bypass port (13) is communicated with the oil tank.
3. The speed valve of claim 1, wherein: the throttle hole (21) is trumpet-shaped.
4. The speed valve of claim 1, wherein: and a spring retainer ring (4) used for abutting against the spring (6) is arranged at the left end of the valve core (2).
5. The speed valve of claim 1, wherein: and the left end of the adjusting nut (3) is provided with a locking nut (7) in threaded connection with the adjusting rod (5).
6. The speed valve of claim 1, wherein: a first O-shaped sealing ring (8) is arranged between the annular joint assembled by the valve body (1) and the adjusting nut (3).
7. The speed valve of claim 1, wherein: an annular groove is formed in the right end, extending into the adjusting nut (3), of the adjusting rod (5) along the circumferential direction, and a second O-shaped sealing ring (9) used for sealing between the adjusting rod (5) and the adjusting nut (3) is arranged in the annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220944381.9U CN217107646U (en) | 2022-04-22 | 2022-04-22 | Speed regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220944381.9U CN217107646U (en) | 2022-04-22 | 2022-04-22 | Speed regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217107646U true CN217107646U (en) | 2022-08-02 |
Family
ID=82584420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220944381.9U Active CN217107646U (en) | 2022-04-22 | 2022-04-22 | Speed regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217107646U (en) |
-
2022
- 2022-04-22 CN CN202220944381.9U patent/CN217107646U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |