CN212480194U

CN212480194U - Hydraulic control valve

Info

Publication number: CN212480194U
Application number: CN202020979500.5U
Authority: CN
Inventors: 蔡发富; 赵崧
Original assignee: Shanghai Huiye Machinery Technology Co ltd
Current assignee: Shanghai Huiye Machinery Technology Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-02-05
Anticipated expiration: 2030-06-02

Abstract

The utility model discloses a hydraulic control valve, which comprises a valve cover, a valve body, a control rod and a valve seat, wherein the valve cover is fixedly connected with the upper end of the valve body through bolts, an elastic cavity is arranged on the valve cover, a through hole is arranged on the upper end of the valve body, the upper end of the through hole is communicated with the bottom end of the elastic cavity, a sealing ring is fixedly connected with the inner wall of the through hole, the control rod is used for forming the elastic cavity and the through hole, a spring is fixedly connected with the part of the control rod, which is positioned in the elastic cavity, the outer wall of the control rod is tightly contacted with the inner side of the sealing ring, the lower end of the control rod is positioned in the valve body, a mounting plate is fixedly connected with the end part of the bottom end of the control rod, a first valve core and a second valve core are respectively and fixedly connected with the two sides of the bottom end of, meanwhile, the service life and the integral sealing performance of the first valve core and the second valve core are guaranteed.

Description

Hydraulic control valve

Technical Field

The utility model relates to a hydraulic control valve belongs to valve technical field.

Background

The hydraulic control valve is a general name, and is an automatic control valve formed by combining a main valve, a needle valve and a pilot valve which are arranged outside the main valve. The hydraulic control valve is in a normal state, a normally open state and a floating state, and the water flow state is controlled mainly by adjusting the main valve and the needle valve or the pilot valve.

The valve clack and the valve core of the existing control valve are impacted by water flow in the downward moving process, so that the shaking phenomenon can occur, the using effect of the control valve is influenced, and meanwhile, the two sides of the valve core can be subjected to stronger water pressure, so that the service life of the valve core is easily influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic control valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic control valve comprises a valve cover, a valve body, a control rod and a valve seat, wherein the valve cover is fixedly connected to the upper end of the valve body through bolts, an elastic cavity is formed in the valve cover, a through hole is formed in the upper end of the valve body, the upper end of the through hole is communicated with the bottom end of the elastic cavity, a sealing ring is fixedly connected to the inner wall of the through hole, the control rod is used for forming the elastic cavity and the through hole, a spring is fixedly connected to the position, located in the elastic cavity, of the control rod, the outer wall of the control rod is in close contact with the inner side of the sealing ring, the lower end of the control rod is located in the valve body, a mounting plate is fixedly connected to the end portion of the bottom end of the control rod, a first valve core and a second valve core are fixedly connected to two sides of the bottom end, the equal fixedly connected with installation piece in mounting panel upper end both sides, all be equipped with recess, two on the valve body roof of through-hole both sides equal fixedly connected with diaphragm on the recess inner wall, two all the cover is equipped with slider, two on the diaphragm all be connected through the connecting plate between slider and the corresponding installation piece.

Preferably, the installation blocks are rotatably connected with the bottom ends of the corresponding connecting plates, and the sliding blocks are rotatably connected with the top ends of the corresponding connecting plates.

Preferably, the two connecting plates are symmetrical to each other, the two sliding blocks are symmetrical to each other, and the two mounting blocks are symmetrical to each other.

Preferably, a plurality of connecting rods are fixedly connected between opposite sides of the first valve core and the second valve core.

Preferably, the diameter of the spring is larger than the diameter of the opening of the elastic cavity.

Preferably, the two sliding blocks are in sliding connection with the corresponding transverse plates.

Compared with the prior art, the beneficial effects of the utility model are that: the control rod drives the mounting panel, first case and second case move down the in-process, two installation pieces pass through the connecting plate pulling slider and slide on corresponding diaphragm, guarantee the mounting panel, first case and second case are moving down the stability of in-process, thereby guarantee the result of use of control valve, and simultaneously, be equipped with first case and second case in the mounting panel bottom, make second case and second case only have one side to bear stronger water pressure, guarantee the life of first case and second case, the leakproofness has also been strengthened.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic view of the appearance structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at the position A of the present invention;

fig. 4 is a schematic view of the structure of the plane B-B of the present invention.

In the figure: 1. a valve body; 2. a valve seat; 3. a groove; 4. a transverse plate; 5. a slider; 6. a seal ring; 7. a through hole; 8. an elastic cavity; 9. a control lever; 10. a spring; 11. a valve cover; 12. a bolt; 13. a connecting plate; 14. mounting blocks; 15. mounting a plate; 16. a first valve spool; 17. a gasket; 18. a sealing groove; 19. a connecting rod; 20. a second valve spool.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a hydraulic control valve comprises a valve cover 11, a valve body 1, a control rod 9 and a valve seat 2, wherein the valve cover 11 is fixedly connected to the upper end of the valve body 1 through a bolt 12, an elastic cavity 8 is arranged on the valve cover 11, a through hole 7 is arranged at the upper end of the valve body 1, the upper end of the through hole 7 is communicated with the bottom end of the elastic cavity 8, a sealing ring 6 is fixedly connected to the inner wall of the through hole 7, the control rod 9 is used for ejecting the elastic cavity 8 and the through hole 7, a spring 10 is fixedly connected to the part of the control rod 9, which is positioned in the elastic cavity 8, the outer wall of the control rod 9 is tightly contacted with the inner side of the sealing ring 6, the lower end of the control rod 9 is positioned in the valve body 1, a mounting plate 15 is fixedly connected to the end part of the bottom end of the control rod 9, a first valve core 16 and a second valve core 20 are respectively fixedly, equal fixedly connected with installation piece 14 in mounting panel 15 upper end both sides, all be equipped with recess 3 on the 1 roof of the valve body at through-hole 7 both sides, equal fixedly connected with diaphragm 4 on two recess 3 inner walls, all the cover is equipped with slider 5 on two diaphragm 4, all be connected through connecting plate 13 between two slider 5 and the corresponding installation piece 14, guarantee mounting panel 15, first case 16 and second case 20 are at the stability of the in-process that moves down, thereby guarantee the result of use of control valve, and simultaneously, the life and the overall tightness of first case 16 and second case 20 have still been guaranteed.

Spring 10 diameter is greater than 8 accent latus rectum in elasticity chamber, guarantee that spring 10 can stretch out and draw back in elasticity chamber 8, two sliders 5 all with correspond diaphragm 4 sliding connection, two installation pieces 14 all with correspond connecting plate 13 bottom swivelling joint, two sliders 5 all with correspond connecting plate 13 top swivelling joint, two connecting plate 13 mutual symmetries, two slider 5 mutual symmetries, two installation pieces 14 slide on corresponding diaphragm 4 through connecting plate 13 pulling slider 5, guarantee mounting panel 15, first case 16 and second case 20 are at the stability of the in-process that moves down, thereby guarantee the result of use of control valve, a plurality of connecting rods 19 of fixedly connected with between first case 16 and the second case 20 opposite side, further guarantee the stability of first case 16 and second case 20.

Specifically, during the use of the utility model, drive mounting panel 15 through control lever 9, first case 16 and second valve core 20 move down, at the in-process that moves down, two installation pieces 14 pass through connecting plate 13 pulling slider 5 and slide on corresponding diaphragm 4, guarantee mounting panel 15, first case 16 and second valve core 20 are at the stability of the in-process that moves down, thereby guarantee control valve's result of use, and simultaneously, be equipped with first case 16 and second valve core 20 in mounting panel 15 bottom, make second valve core 20 and second valve core 20 only have one side to bear stronger water pressure, guarantee first case 16 and second valve core 20's life, the leakproofness has also been strengthened, first case 16 and second valve core 20's stability of further having guaranteed to a plurality of connecting rods 19 of fixed connection between first case 16 and the second valve core 20.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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, and do not indicate or imply that the device or element 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.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The hydraulic control valve comprises a valve cover (11), a valve body (1), a control rod (9) and a valve seat (2), and is characterized in that the valve cover (11) is fixedly connected to the upper end of the valve body (1) through a bolt (12), an elastic cavity (8) is arranged on the valve cover (11), a through hole (7) is formed in the upper end of the valve body (1), the upper end of the through hole (7) is communicated with the bottom end of the elastic cavity (8), a sealing ring (6) is fixedly connected to the inner wall of the through hole (7), the control rod (9) is used for forming the elastic cavity (8) and the through hole (7), a spring (10) is fixedly connected to the position of the control rod (9) in the elastic cavity (8), the outer wall of the control rod (9) is in close contact with the inner side of the sealing ring (6), the lower end of the control rod (9) is located in the valve body (1), and a, mounting panel (15) bottom both sides are first case of fixedly connected with (16) and second case (20) respectively, be equipped with two seal grooves (18) on disk seat (2), two seal groove (18) respectively with first case (16) and second case (20) phase-match, two equal fixedly connected with sealed pad (17) on seal groove (18) inner wall, the equal fixedly connected with installation piece (14) in mounting panel (15) upper end both sides, all be equipped with recess (3) on valve body (1) roof of through-hole (7) both sides, two equal fixedly connected with diaphragm (4) on recess (3) inner wall, two all overlap on diaphragm (4) and be equipped with slider (5), two all be connected through connecting plate (13) between slider (5) and the corresponding installation piece (14).

2. A hydraulic control valve as defined in claim 1, wherein: two installation piece (14) all rotate with corresponding connecting plate (13) bottom and are connected, two slider (5) all rotate with corresponding connecting plate (13) top and be connected.

3. A hydraulic control valve as defined in claim 1, wherein: the two connecting plates (13) are symmetrical to each other, the two sliding blocks (5) are symmetrical to each other, and the two mounting blocks (14) are symmetrical to each other.

4. A hydraulic control valve as defined in claim 1, wherein: a plurality of connecting rods (19) are fixedly connected between the opposite sides of the first valve core (16) and the second valve core (20).

5. A hydraulic control valve as defined in claim 1, wherein: the diameter of the spring (10) is larger than the diameter of the opening of the elastic cavity (8).

6. A hydraulic control valve as defined in claim 1, wherein: and the two sliding blocks (5) are in sliding connection with the corresponding transverse plates (4).