CN211009906U

CN211009906U - Precise pneumatic pressure regulating valve for high-pressure water jet cleaning machine

Info

Publication number: CN211009906U
Application number: CN201921956746.4U
Authority: CN
Inventors: 万双; 江勇
Original assignee: Chengdu Haipu Pump Co ltd
Current assignee: Chengdu Haipu Pump Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-07-14
Anticipated expiration: 2029-11-13

Abstract

The utility model discloses a precise pneumatic pressure regulating valve for a high-pressure water jet cleaning machine, which comprises a valve body, wherein the middle part of an inner cavity of the valve body is fixedly connected with a baffle separating part in an integrated manner, a water through hole is vertically formed in the middle part of the baffle separating part, the middle position of the top of the valve body is fixedly communicated with a waterproof pipe in an integrated manner, the upper end surface of the waterproof pipe is covered at the bottom of a hollow box, and the hollow box is of an up-and; the top of the hollow box is covered and communicated with a spring running pipe. The utility model discloses when later stage need go on demolising the change to spring and sealing rubber piston, demolish the bolt of fixing between spring operation pipe and waterproof pipe and the cavity case, then drive case and sealing rubber piston with the depression bar and take out from waterproof intraductal, then demolish spring limiting plate bolt below the spring operation pipe, then demolish clamp plate and depression bar bolt again, just can demolish the change with the spring.

Description

Precise pneumatic pressure regulating valve for high-pressure water jet cleaning machine

Technical Field

The utility model relates to a high-pressure rivers penetrate cleaning machine technical field, specifically are a high-pressure rivers penetrate accurate pneumatic air-vent valve for cleaning machine.

Background

At present, a pneumatic regulating valve uses compressed gas as a power source, a cylinder as an actuator, and a valve is driven by accessories such as a valve positioner, a converter, an electromagnetic valve, a position retaining valve, a gas storage tank, a gas filter and the like to realize switching value or proportional regulation.

The utility model discloses a pneumatic air-vent valve through retrieval publication (bulletin) number CN208595294U, including last casing and lower casing, go up casing and casing fixed connection down, the air inlet has been seted up to the upper end center department of going up the casing, the opening has been seted up to the lower extreme of casing down, and open-ended lower extreme fixedly connected with sleeve, the first box of telescopic lower extreme fixedly connected with, the lower extreme fixedly connected with second box of first box, the lower extreme fixedly connected with valve body of second box, the fixed disk seat that is equipped with the slope setting in inside of valve body, go up common fixedly connected with diaphragm between casing and the lower casing, the center department fixedly connected with movable block of diaphragm, the lower extreme fixedly connected with valve rod of movable block, the lower extreme of valve rod runs through first box and second box in proper order and extends to the inside. Although the utility model discloses a thereby can be through adjusting the inside velocity of flow and the closure state of gas pressure regulating valve body, be convenient for operate and simple structure, the leakproofness is good, not fragile, and the people of being convenient for use.

However, the technical scheme still has at least the following defects:

the spring arranged in the technical scheme cannot be detached and replaced at the later stage; because be fixed connection between first box and the second box, but see from the attached that this technical scheme's sealing washer is greater than the gap between first box and the second box, lead to the later stage can't take out the valve rod, lead to the spring and also these quick-wear parts of sealing washer can't be changed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high pressure rivers penetrate accurate pneumatic air-vent valve for cleaning machine has solved the problem that proposes among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a precise pneumatic pressure regulating valve for a high-pressure water jet cleaning machine comprises a valve body, wherein a baffle plate separation part is fixedly connected to the middle part of an inner cavity of the valve body in an integrated mode, a water through hole is vertically formed in the middle of the baffle plate separation part, a waterproof pipe is fixedly and integrally communicated with the middle position of the top of the valve body, the upper end face of the waterproof pipe covers the bottom of a hollow box, and the hollow box is of an up-and-down communicated structure; the top of the hollow box is covered and communicated with a spring running pipe;

a spring is arranged in the spring running pipe, a spring limiting plate is fixedly connected to the bottom of the spring running pipe, the spring limiting plate is located on the lower end face of the spring, and the spring running pipe, the waterproof pipe and the hollow box are fixedly connected through bolts; the sealing rubber piston is movably arranged in the waterproof pipe, the bottom of the sealing rubber piston is connected with an inserting pipe in an inserting mode, the bottom of the inserting pipe is vertically fixed at the middle position of the top of the supporting plate, the bottom of the supporting plate is vertically and fixedly connected with the top of the valve rod, the lower end face of the valve rod is fixedly connected with a valve core, the left side and the right side of the top of the supporting plate are vertically and fixedly connected with a threaded lead screw, the threaded lead screw penetrates through the sealing rubber piston, a pressing rod is inserted in the inserting pipe, a limiting ring table is fixedly connected to the outer wall of the lower end of the pressing rod in a sleeved mode, the limiting ring table is located.

As an optimized implementation manner of the utility model, the spring service pipe up end communicates with casing bottom vertical fixation, and casing top fixed cover closes the top cap.

As a preferred embodiment of the present invention, the valve core and the water through hole are funnel-shaped, and both are disposed in the vertical direction.

As a preferred embodiment of the utility model, two the activity of screw lead screw runs through two positions about spacing collar bench, is located the screw thread is twisted to close on the screw lead screw of spacing collar bench side and is fixed with the nut.

As an embodiment of the present invention, the horizontal fixedly connected with pressing plate at the upper end of the pressing rod is located the pressing plate above the spring and horizontally fixedly connected with the pushing plate, and the pushing plate is located in the spring moving pipe.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses when later stage need go on demolising the change to spring and sealing rubber piston, demolish the bolt of fixing between spring operation pipe and waterproof pipe and the cavity case, then drive case and sealing rubber piston with the depression bar and take out from waterproof intraductal, then demolish spring limiting plate bolt below the spring operation pipe, then demolish clamp plate and depression bar bolt again, just can demolish the change with the spring.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of the overall structure of a precise pneumatic pressure regulating valve for a high-pressure water jet cleaning machine according to the present invention;

FIG. 2 is a schematic view of the inner cavity of a spring running pipe of a precise pneumatic pressure regulating valve for a high-pressure water jet cleaning machine according to the present invention;

fig. 3 is a schematic view of the cross-sectional front view of the sealing rubber piston of the precise pneumatic pressure regulating valve for the high-pressure water jet cleaning machine according to the present invention.

In the figure: the valve comprises a valve body 1, a waterproof pipe 2, a hollow box 3, a spring running pipe 4, a shell 5, a pressure lever 6, a sealing rubber piston 7, a valve rod 8, a water through hole 9, a valve core 10, a baffle spacing part 11, a through hole 12, a spring limiting plate 13, a spring 14, a pressure plate 15, a top cover 16, a limiting ring platform 17, a plug-in pipe 18, a supporting plate 19, a threaded screw rod 20, a nut 21 and a pushing plate 22.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention; in the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a precise pneumatic pressure regulating valve for a high-pressure water jet cleaning machine comprises a valve body 1, wherein a baffle plate separation part 11 is integrally and fixedly connected to the middle part of an inner cavity of the valve body 1, a water through hole 9 is vertically formed in the middle part of the baffle plate separation part 11, a waterproof pipe 2 is integrally and fixedly communicated with the middle position of the top of the valve body 1, the upper end face of the waterproof pipe 2 covers the bottom of a hollow box 3, and the hollow box 3 is of an up-and-down communicated structure; the top of the hollow box 3 is covered and communicated with a spring running pipe 4;

a spring 14 is arranged in the spring running pipe 4, a spring limiting plate 13 is fixedly connected to the bottom of the spring running pipe 4, the spring limiting plate 13 is positioned on the lower end face of the spring 14, and the spring running pipe 4, the waterproof pipe 2 and the hollow box 3 are fixedly connected through bolts; a sealing rubber piston 7 is movably arranged in the waterproof pipe 2, a splicing pipe 18 is spliced at the bottom of the sealing rubber piston 7, the bottom of the splicing pipe 18 is vertically fixed at the middle position of the top of a supporting plate 19, the bottom of the supporting plate 19 is vertically and fixedly connected with the top of a valve rod 8, a valve core 10 is fixedly connected with the lower end surface of the valve rod 8, the left side and the right side of the top of the supporting plate 19 are vertically and fixedly connected with a threaded lead screw 20, the threaded lead screw 20 penetrates through the sealing rubber piston 7, a pressure rod 6 is inserted in the splicing pipe 18, a limiting ring platform 17 is fixedly sleeved on the outer wall of the lower end of the pressure rod 6, the limiting ring platform 17 is positioned on the upper end surface of the sealing rubber piston 7, the pressure rod 6 penetrates through the waterproof pipe 2, the hollow box 3 and the spring 14, the upper end of the pressure rod 6 movably penetrates through the middle position of the bottom of the shell, then the press rod 6 drives the valve core 10 and the sealing rubber piston 7 to be taken out of the waterproof pipe 2, then the spring limiting plate 13 below the spring running pipe 4 is detached through bolts, then the press plate 15 and the press rod 6 are detached through bolts, and then the spring 14 can be detached and replaced.

In this embodiment, the upper end surface of the spring operation tube 4 is vertically and fixedly communicated with the bottom of the housing 5, and the top of the housing 5 is fixedly covered with the top cover 16.

In this embodiment, the valve core 10 and the water through hole 9 are both funnel-shaped, and the two are arranged in the vertical direction, so as to ensure the effect of adjusting the water amount.

In this embodiment, the two threaded screws 20 movably penetrate through the left and right parts of the limiting collar table 17, the nuts 21 are screwed and fixed on the threaded screws 20 above the limiting collar table 17, and the nuts 21 can be removed from the threaded screws 20 at the later stage of the combination mode, so that the sealing rubber piston 7 can be removed and replaced.

In this embodiment, the upper end of the pressure lever 6 is horizontally and fixedly connected with a pressure plate 15, the pressure lever 6 above the spring 14 is horizontally and fixedly connected with a push plate 22, the push plate 22 is arranged in the spring running pipe 4, and the push plate 22 can ensure that the spring 14 is extruded.

When a high pressure rivers penetrate precision pneumatic air-vent valve for cleaning machine use, need explain, the utility model relates to a high pressure rivers penetrate precision pneumatic air-vent valve for cleaning machine, including valve body 1, waterproof pipe 2, well hollow box 3, spring service pipe 4, casing 5, depression bar 6, sealing rubber piston 7, valve rod 8, limbers 9, case 10, baffle separator 11, perforation 12, spring limiting plate 13, spring 14, clamp plate 15, top cap 16, spacing collar platform 17, peg graft pipe 18, layer board 19, screw lead screw 20, nut 21, push pedal 22, the part is general standard or the part that technical staff in the field known, its structure and principle all can learn through the technical manual or learn through conventional experimental method for this technical staff.

When the waterproof device is used, the spring 14 is arranged in the spring running pipe 4, the spring limiting plate 13 is fixedly connected to the bottom of the spring running pipe 4, the spring limiting plate 13 is located on the lower end face of the spring 14, and the spring running pipe 4, the waterproof pipe 2 and the hollow box 3 are fixedly connected through bolts; a sealing rubber piston 7 is movably arranged in the waterproof pipe 2, a splicing pipe 18 is spliced at the bottom of the sealing rubber piston 7, the bottom of the splicing pipe 18 is vertically fixed at the middle position of the top of a supporting plate 19, the bottom of the supporting plate 19 is vertically and fixedly connected with the top of a valve rod 8, a valve core 10 is fixedly connected with the lower end surface of the valve rod 8, the left side and the right side of the top of the supporting plate 19 are vertically and fixedly connected with a threaded lead screw 20, the threaded lead screw 20 penetrates through the sealing rubber piston 7, a pressure rod 6 is inserted in the splicing pipe 18, a limiting ring platform 17 is fixedly sleeved on the outer wall of the lower end of the pressure rod 6, the limiting ring platform 17 is positioned on the upper end surface of the sealing rubber piston 7, the pressure rod 6 penetrates through the waterproof pipe 2, the hollow box 3 and the spring 14, the upper end of the pressure rod 6 movably penetrates through the middle position of the bottom of the shell, then take out in the depression bar 6 drives case 10 and sealing rubber piston 7 follow waterproof pipe 2, then demolish spring limiting plate 13 bolt below spring service pipe 4, then demolish clamp plate 15 and depression bar 6 bolt, just can demolish change spring 14, during the use, inflate in the opening through the top cap 16 that is equipped with to the air inlet, gaseous promotion clamp plate 15 moves down, clamp plate 15 drives depression bar 6 and moves down, depression bar 6 drives case 10 and moves down, thereby make case 10 move down to limbers 9 adjustment interval, be convenient for adjust the inside velocity of flow of valve body 1.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a high pressure rivers penetrate accurate pneumatic air-vent valve for cleaning machine, includes valve body (1), its characterized in that: the middle part of the inner cavity of the valve body (1) is integrally and fixedly connected with a baffle separating part (11), a water through hole (9) is vertically formed in the middle part of the baffle separating part (11), the middle position of the top of the valve body (1) is integrally and fixedly communicated with a waterproof pipe (2), the upper end face of the waterproof pipe (2) covers the bottom of the hollow box (3), and the hollow box (3) is of an up-and-down communicated structure; the top of the hollow box (3) is covered and communicated with a spring running pipe (4);

a spring (14) is arranged in the spring running pipe (4), the bottom of the spring running pipe (4) is fixedly connected with a spring limiting plate (13), the spring limiting plate (13) is positioned on the lower end face of the spring (14), and the spring running pipe (4), the waterproof pipe (2) and the hollow box (3) are fixedly connected through bolts; a sealing rubber piston (7) is movably arranged in the waterproof pipe (2), an inserting pipe (18) is inserted at the bottom of the sealing rubber piston (7), the bottom of the inserting pipe (18) is vertically fixed at the middle position of the top of a supporting plate (19), the bottom of the supporting plate (19) is vertically and fixedly connected with the top of a valve rod (8), a valve core (10) is fixedly connected with the lower end surface of the valve rod (8), the left side and the right side of the top of the supporting plate (19) are vertically and fixedly connected with threaded lead screws (20), the threaded lead screws (20) penetrate through the sealing rubber piston (7), a press rod (6) is inserted in the inserting pipe (18), a limiting ring platform (17) is fixedly sleeved on the outer wall of the lower end of the press rod (6), and the, the pressing rod (6) penetrates through the waterproof pipe (2), the hollow box (3) and the spring (14), and the upper end of the pressing rod (6) movably penetrates through the middle position of the bottom of the shell (5).

2. The precise pneumatic pressure regulating valve for the high-pressure water jet cleaning machine according to claim 1, characterized in that: the upper end surface of the spring running pipe (4) is vertically and fixedly communicated with the bottom of the shell (5), and the top of the shell (5) is fixedly covered with a top cover (16).

3. The precise pneumatic pressure regulating valve for the high-pressure water jet cleaning machine according to claim 1, characterized in that: the valve core (10) and the water through hole (9) are funnel-shaped, the valve core and the water through hole are arranged in the vertical direction, and the pipe diameters of the spring running pipe (4) and the waterproof pipe (2) are equal and vertically aligned.

4. The precise pneumatic pressure regulating valve for the high-pressure water jet cleaning machine according to claim 1, characterized in that: the two threaded screw rods (20) movably penetrate through the left part and the right part of the limiting collar table (17), and nuts (21) are screwed and fixed on the threaded screw rods (20) above the limiting collar table (17).

5. The precise pneumatic pressure regulating valve for the high-pressure water jet cleaning machine according to claim 1, characterized in that: the upper end of the pressure lever (6) is horizontally and fixedly connected with a pressure plate (15), the pressure lever (6) above the spring (14) is horizontally and fixedly connected with a push plate (22), and the push plate (22) is arranged in the spring running pipe (4).