CN219549250U - High-pressure manual pressure regulating valve - Google Patents

Abstract

The utility model discloses a high-pressure manual pressure regulating valve which comprises a valve body, a valve rod, a valve sleeve, a valve seat, a regulating component and a regulating knob, wherein an axial long hole is formed in the inner central part of the valve body in a penetrating way, the regulating component, the valve seat and the valve sleeve are sequentially arranged in the axial long hole, one end of the valve body is in threaded connection with the regulating knob, the other end of the valve body is fixedly connected with the valve sleeve, the regulating knob is abutted against the regulating component, the regulating component stretches into the valve seat, the valve rod penetrates through the valve sleeve, and an overflow unit is fixed on the valve sleeve. The utility model has the advantages that water flow enters the valve rod through the water inlet, enters the space formed by the overflow pipe and the valve rod along the overflow hole on the valve rod, flows into the connecting elbow and the overflow joint to realize unloading effect, and the overflow hole is arranged on the valve rod, so that water can not directly act on the wall of the overflow pipe when overflowing again, thereby playing a buffering effect and reducing the abrasion of components of the pressure regulating valve.

Description

High-pressure manual pressure regulating valve

Technical Field

The utility model relates to the technical field of pressure regulating valves, in particular to a high-pressure manual pressure regulating valve.

Background

The pressure regulating valve achieves the aim of regulating the pressure of the system by changing the overflow amount of the bypass, and in the normal injection working state of the high-pressure water jet equipment, more or less part of flow overflows from the pressure regulating valve, so that the valve core is in a half-open overflow state.

In the prior art, grant bulletin number: CN204327626U, patent name: a pressure regulating relief valve. The pressure regulating overflow valve includes valve body, small valve rod, spring, valve sleeve, overflow port joint, handle sleeve, two handles, butterfly spring and large valve rod; the middle part of the valve body is provided with a through hole, and the circumference wall of the lower part of the valve body is provided with a high-pressure water inlet and a high-pressure water outlet; the lower part of the handle sleeve is inserted into the upper port of the through hole; the butterfly spring is arranged in the handle sleeve; the head part of the large valve rod is arranged at the lower part of the butterfly spring in the handle sleeve, and the rod part penetrates through the round hole in the handle sleeve and extends to the upper part in the through hole; one end of the overflow port connector is inserted into the lower port of the upper through hole of the valve body; the valve sleeve is arranged at the middle lower part of the through hole; the head of the small valve rod is contacted with the lower end of the large valve rod, and the rod part is arranged at the middle upper part in the valve sleeve; the outer surface of the small valve rod of the spring sleeve.

In the prior art, when overflow unloading is performed, water directly enters the overflow joint from the pressure regulating valve body, the impact on the overflow joint is large under the condition of high water pressure, the overflow joint is easy to damage, and the service time of the whole pressure regulating valve is shortened.

Disclosure of Invention

The utility model aims to solve the problems, and designs a high-pressure manual pressure regulating valve which comprises a valve body, a valve rod, a valve sleeve, a valve seat, a regulating component and a regulating knob, wherein an axial long hole is formed in the central part of the valve body in a penetrating way, the regulating component, the valve seat and the valve sleeve are sequentially arranged in the axial long hole, one end of the valve body is in threaded connection with the regulating knob, the other end of the valve body is fixedly connected with the valve sleeve, the regulating knob is abutted against the regulating component, the regulating component stretches into the valve seat, the valve rod penetrates through the valve sleeve, and an overflow unit is fixed on the valve sleeve.

Further, the overflow unit comprises an overflow pipe, a connecting elbow and an overflow joint, the overflow pipe is arranged outside the valve rod, the inner wall of the overflow pipe and the outer wall of the valve rod are provided with working gaps, one end of the overflow pipe is fixedly connected with the valve sleeve, the other end of the overflow pipe is fixedly provided with the connecting elbow, and the end part of the connecting elbow is fixedly provided with the overflow joint.

Further, the valve rod is internally provided with a hollow structure, the side wall of the valve rod is provided with a plurality of overflow holes, the valve rod is mutually communicated with an overflow pipe through the overflow holes, and the overflow pipe is sequentially communicated with the connecting elbow and the overflow joint.

Further, the adjusting component comprises an adjusting rod piece and a spring, one end of the adjusting rod piece is propped against the adjusting knob, the other end of the adjusting rod piece stretches into the valve rod, the adjusting rod piece is sleeved with the spring, and two ends of the spring are respectively fixed between the adjusting rod piece and the valve rod.

Further, the adjusting component stretches into the valve seat, an axial long hole is formed in the valve seat along the axis of the valve seat in a penetrating mode, a water inlet and a water outlet are formed in the side portion of the valve body, at least two through holes are formed in the side wall of the valve seat, one through hole is communicated with the water inlet, the other through hole is communicated with the water outlet, and the axes of the through holes are located on the same plane and are communicated with each other between any two through holes.

Further, a supporting arm is fixed on the side portion of the adjusting knob, and the supporting arm is fixedly connected with the valve body through a fastener.

The high-pressure manual pressure regulating valve manufactured by the technical scheme of the utility model has the following beneficial effects:

(1) The water flow enters the valve rod through the water inlet, enters a space formed by the overflow pipe and the valve rod along the overflow hole on the valve rod, flows into the connecting elbow and the overflow joint to realize unloading effect, and the overflow hole is arranged on the valve rod, so that the water can not directly act on the wall of the overflow pipe when overflows, the buffer effect is realized, and the abrasion of the components of the pressure regulating valve is reduced;

(2) The regulation of the water outlet pressure is realized by rotating the regulating knob, the regulating rod and the spring are arranged in the valve body, and the reset can be realized by rotating the regulating knob under the action of the spring, so that the pressure regulation is simple, convenient and quick.

Drawings

FIG. 1 is a perspective view of a high pressure manual pressure regulating valve according to the present utility model;

FIG. 2 is a schematic view of the internal structure of the high-pressure manual pressure regulating valve according to the present utility model;

FIG. 3 is a schematic view of the structure of the valve seat of the present utility model;

FIG. 4 is a schematic illustration of the combination of the regulator assembly, valve seat and valve stem of the present utility model;

FIG. 5 is a cross-sectional view of a high pressure manual pressure regulating valve according to the present utility model;

in the figure, 1, a valve body; 11. a water inlet; 12. a water outlet; 2. a valve stem; 21. an overflow aperture; 3. a valve sleeve; 4. a valve seat; 5. an adjustment assembly; 51. an adjusting rod piece; 52. a spring; 6. an adjustment knob; 7. an overflow unit; 71. an overflow pipe; 72. a connecting elbow; 73. an overflow joint; 8. a through hole; 9. a support arm; 10. a fastener.

Detailed Description

For a better understanding of the present utility model, the present utility model will be further described with reference to specific examples and drawings, a high pressure manual pressure regulating valve. As shown in fig. 1-4, the valve comprises a valve body 1, a valve rod 2, a valve sleeve 3, a valve seat 4, an adjusting component 5 and an adjusting knob 6, wherein an axial long hole is formed in the inner central part of the valve body 1 in a penetrating way, the adjusting component 5, the valve seat 4 and the valve sleeve 3 are sequentially arranged in the axial long hole, one end of the valve body 1 is in threaded connection with the adjusting knob 6, the other end of the valve body 1 is fixedly connected with the valve sleeve 3, the adjusting knob 6 abuts against the adjusting component 5, the adjusting component 5 stretches into the valve seat 4, the valve rod 2 penetrates through the valve sleeve 3, and an overflow unit 7 is fixed on the valve sleeve 3. The extent of the adjusting assembly 5 extending into the valve seat 4 is changed by adjusting the length of the adjusting knob 6 extending into the valve body 1, so that the adjustment of the water outlet pressure is realized, and after water enters the pressure regulating valve, a part of water is unloaded by the overflow unit 7.

The adjusting assembly 5 comprises an adjusting rod piece 51 and a spring 52, one end of the adjusting rod piece 51 abuts against the adjusting knob 6, the other end of the adjusting rod piece 51 stretches into the valve rod 2, the spring 52 is sleeved outside the adjusting rod piece 51, and two ends of the spring 52 are respectively fixed between the adjusting rod piece 51 and the valve rod 2. The degree of the adjusting rod piece 51 extending into the valve seat 4 can be changed by rotating the adjusting knob 6, and after the adjusting knob 6 is rotated, the adjusting rod piece 51 can be reset under the action of the spring 52. The length of the adjusting component 5 extending into the valve seat 4 can be changed by the adjusting rod piece 51 between the adjusting knob 6 and the valve seat 4, so that the adjustment of the water outlet pressure can be realized, and the spring 52 is arranged between the adjusting rod piece 51 and the valve seat 4, so that the resetting is facilitated.

The regulating assembly stretches into the valve seat 4, the valve seat 4 is communicated with an axial long hole along the axis of the valve seat 4, a water inlet 11 and a water outlet 12 are formed in the side part of the valve body 1, at least two through holes 8 are formed in the side wall of the valve seat 4, one through hole 8 is communicated with the water inlet 11, the other through hole 8 is communicated with the water outlet 12, and the axes of the through holes 8 are located on the same plane and are communicated with each other between any two through holes 8. The external water source enters the pressure regulating valve from the water inlet 11, a part of water enters the valve seat 4 along one through hole 8, flows into the water outlet 12 along the other through hole 8, flows into other water using equipment through the water outlet 12, and the other part of water enters the valve rod 2 from the water inlet 11 through one through hole 8 and further enters the overflow unit 7 to realize overflow unloading.

The valve rod 2 is internally provided with a hollow structure, the side wall of the valve rod 2 is provided with a plurality of overflow holes 21, the valve rod 2 is mutually communicated with an overflow pipe 71 through the overflow holes 21, and the overflow pipe 71 is sequentially communicated with the connecting elbow 72 and the overflow joint 73. The overflow unit 7 comprises an overflow pipe 71, a connecting elbow 72 and an overflow joint 73, wherein the overflow pipe 71 is arranged outside the valve rod 2, a working gap is formed between the inner wall of the overflow pipe 71 and the outer wall of the valve rod 2, one end of the overflow pipe 71 is fixedly connected with the valve sleeve 3, the other end of the overflow pipe 71 is fixedly provided with the connecting elbow 72, and the end part of the connecting elbow 72 is fixedly provided with the overflow joint 73. The water flow entering the valve stem 2 passes through the overflow hole 21 into the space formed by the valve stem 2 and the overflow pipe 71, further from the overflow pipe 71 into the connection elbow 72 and the overflow joint 73. During pressure relief, water flows from the overflow hole 21 in the valve rod 2 into the overflow pipe 71, and impact directly acting on the wall of the overflow pipe 71 is reduced.

As shown in fig. 5, a supporting arm 9 is fixed on the side of the adjusting knob 6, and the supporting arm 9 is fixedly connected with the valve body 1 through a fastener 10. After the water outlet pressure is regulated, the supporting arm 9 is fixed at the position of the regulating knob 6, and the supporting arm 9 is fixedly connected with the valve body 1 through the fastener 10, so that the water outlet pressure of the pressure regulating valve is prevented from being changed due to loosening of the regulating knob 6 in the long-time use process. Fastener 10 may alternatively be a screw. In addition, the valve body 1 is provided with a groove capable of accommodating the supporting arm 9, so that the whole pressure regulating valve body 1 is light and compact.

Working principle:

the length of the adjusting rod piece 51 extending into the valve seat 4 is changed by rotating the adjusting knob 6, the channel among the water inlet 11, the through hole 8 and the water outlet 12 is changed, so that the water outlet pressure is adjusted, if the pressure is overlarge, part of water flows out along the water outlet 12, the other part of water enters the valve rod 2 along the valve seat 4 and enters the overflow pipe 71 from the overflow port on the valve rod 2, and the water flows out of the pressure regulating valve through the connecting elbow 72 and the overflow joint 73, so that unloading is realized.

The above technical solution only represents the preferred technical solution of the present utility model, and some changes that may be made by those skilled in the art to some parts of the technical solution represent the principles of the present utility model, and the technical solution falls within the scope of the present utility model.

Claims (6)

1. The high-pressure manual pressure regulating valve is characterized by comprising a valve body (1), a valve rod (2), a valve sleeve (3), a valve seat (4), an adjusting assembly (5) and an adjusting knob (6), wherein an axial long hole is formed in the inner central part of the valve body (1) in a penetrating way, the adjusting assembly (5), the valve seat (4) and the valve sleeve (3) are sequentially arranged in the axial long hole, one end of the valve body (1) is in threaded connection with the adjusting knob (6), the other end of the valve body (1) is fixedly connected with the valve sleeve (3), the adjusting knob (6) is abutted against the adjusting assembly (5), the adjusting assembly (5) stretches into the valve seat (4), the valve rod (2) penetrates through the valve sleeve (3), and an overflow unit (7) is fixed on the valve sleeve (3).

The overflow unit (7) comprises an overflow pipe (71), a plurality of overflow holes (21) are formed in the side wall of the valve rod (2), and the valve rod (2) is communicated with the overflow pipe (71) through the overflow holes (21).

2. The high-pressure manual pressure regulating valve according to claim 1, wherein the overflow unit (7) further comprises a connecting elbow (72) and an overflow joint (73), the overflow pipe (71) is arranged outside the valve rod (2), a working gap is formed between the inner wall of the overflow pipe (71) and the outer wall of the valve rod (2), one end of the overflow pipe (71) is fixedly connected with the valve sleeve (3), the other end of the overflow pipe (71) is fixedly provided with the connecting elbow (72), and the end part of the connecting elbow (72) is fixedly provided with the overflow joint (73).

3. The high-pressure manual pressure regulating valve according to claim 2, wherein the valve rod (2) is internally provided with a hollow structure, the valve rod (2) is mutually communicated with an overflow pipe (71) through an overflow hole (21), and the overflow pipe (71) is sequentially communicated with the connecting elbow (72) and the overflow joint (73).

4. The high-pressure manual pressure regulating valve according to claim 1, wherein the regulating assembly (5) comprises a regulating rod (51) and a spring (52), one end of the regulating rod (51) is propped against the regulating knob (6), the other end of the regulating rod (51) stretches into the valve rod (2), the regulating rod (51) is sleeved with the spring (52), and two ends of the spring (52) are respectively fixed between the regulating rod (51) and the valve rod (2).

5. The high-pressure manual pressure regulating valve according to claim 4, wherein the regulating assembly (5) extends into the valve seat (4), an axial long hole is formed in the valve seat (4) along the axis of the valve seat, a water inlet (11) and a water outlet (12) are formed in the side portion of the valve body (1), at least two through holes (8) are formed in the side wall of the valve seat (4), one through hole (8) is communicated with the water inlet (11), the other through hole (8) is communicated with the water outlet (12), and the axes of the through holes (8) are located on the same plane and are communicated with each other between any two through holes (8).

6. The high-pressure manual pressure regulating valve according to claim 1, wherein a supporting arm (9) is fixed on the side of the regulating knob (6), and the supporting arm (9) is fixedly connected with the valve body (1) through a fastener (10).