CN210343898U

CN210343898U - Novel pneumatic control hydraulic valve

Info

Publication number: CN210343898U
Application number: CN201921195892.XU
Authority: CN
Inventors: 陈中伟; 傅光祥
Original assignee: Zhejiang Zhongwei Hydraulic Technology Co Ltd
Current assignee: Zhejiang Zhongwei Hydraulic Technology Co Ltd
Priority date: 2019-07-28
Filing date: 2019-07-28
Publication date: 2020-04-17
Anticipated expiration: 2029-07-28

Abstract

The utility model discloses a novel pneumatic control hydraulic valve, which comprises a valve body, wherein a valve core is arranged inside the valve body, a first rear cover is arranged on the left side of the valve body, a return spring is arranged inside the first rear cover, a spring seat is arranged in the return spring and is connected with the valve core through a screw, a plug screw plug is arranged in the lower side port of the valve body, an overflow valve seat is arranged in the right side port of the upper part of the valve body, a fixing nut is arranged at the right end port of the overflow valve seat, a locking nut is arranged on the right side of the fixing nut, an adjusting nut is arranged inside the locking nut, an overflow valve spring is arranged inside the adjusting nut, the left end of the overflow valve spring is provided with a needle valve, the right side of the valve body is provided with a cylinder shell, and a limiting piston is arranged inside the cylinder shell. The utility model discloses compact structure, it is small, light in weight, the reliable operation.

Description

Novel pneumatic control hydraulic valve

Technical Field

The utility model relates to a gas accuse hydrovalve technical field specifically is a novel gas accuse hydrovalve.

Background

The pneumatic control hydraulic valve integrates pneumatic and hydraulic pressure, and forms a hydraulic system together with elements such as a gear pump, an air valve, an oil cylinder and the like, is mainly applied to a hydraulic lifting system of a medium-heavy self-discharging vehicle, is one of main control elements, and can realize the functions of lifting, stopping and slowly descending of the hydraulic oil cylinder.

The existing pneumatic control hydraulic valve has some defects, the sealing performance of installation among all components in the pneumatic control hydraulic valve is poor, and oil leakage is easy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel gas accuse hydrovalve 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 novel pneumatic control hydraulic valve comprises a valve body, a valve core is arranged in the valve body, a first O-shaped sealing ring is arranged between the valve core and the interior of the valve body, a first rear cover is arranged on the left side of the valve body, a return spring is arranged inside the first rear cover, a spring seat is arranged in the return spring and is connected with the valve core through a screw, a plug screw plug is arranged in the lower side port of the valve body, an overflow valve seat is arranged in the right side port of the upper part of the valve body, a fixing nut is arranged at the right end port of the overflow valve seat, a locking nut is arranged on the right side of the fixing nut, an adjusting nut is arranged inside the locking nut, an overflow valve spring is arranged inside the adjusting nut, the left end of the overflow valve spring is provided with a needle valve, the right side of the valve body is provided with a cylinder shell, and a limiting piston is arranged inside the cylinder shell.

Preferably, the first rear cover is connected with the valve body through a first inner hexagon screw, and a first standard spring washer is arranged at the mounting position of the first inner hexagon screw.

Preferably, a combined sealing gasket is arranged between the plug screw plug and the lower end port of the valve body.

Preferably, a first O-shaped sealing ring is arranged between the overflow valve seat and the right end port of the upper portion of the valve body, and a second O-shaped sealing ring is arranged between the left end of the overflow valve seat and the inner portion of the upper portion of the valve body.

Preferably, the adjusting nut is nested inside the overflow valve seat, and a third O-shaped sealing ring is arranged between the adjusting nut and the overflow valve seat.

Preferably, the cylinder shell is connected with the valve body through a second inner hexagon screw, a second standard spring gasket is arranged at the mounting position of the second inner hexagon screw, a fourth O-shaped sealing ring is arranged between the cylinder shell and the valve core, a second rear cover is arranged at the right end of the cylinder shell, and a seventh O-shaped sealing ring is arranged between the second rear cover and the right end of the cylinder shell.

Preferably, a sixth O-shaped sealing ring is arranged between the limiting piston and the inner wall of the cylinder shell, a piston is arranged on the left of the limiting piston, the middle of the piston is connected with the valve core through a hexagonal flange face bolt, a fourth O-shaped sealing ring is arranged between the piston and the valve core, and a fifth O-shaped sealing ring is arranged between the piston and the inner wall of the cylinder shell.

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

1. the corresponding O-shaped sealing ring is arranged between each component of the utility model, so that each component is installed stably, the sealing performance is strong, and oil leakage is not easy to occur;

2. the utility model discloses compact structure, it is small, light in weight, the reliable operation.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic top view of the present invention.

Fig. 3 is a schematic front view of the structure of the present invention.

Fig. 4 is a schematic side view of the present invention.

In the figure: 1. the structure of the valve comprises a first rear cover, a second rear cover, a spring seat, a third rear cover, a screw, a second rear cover, a spring seat, a third rear cover, a second rear cover, a spring seat, a second rear cover, a spring seat, a first O-shaped sealing ring, a second O-shaped sealing ring, a valve body, a needle valve, a second rear cover, a valve needle, a second O-shaped sealing ring, a valve body, a valve needle, a valve 9, a second O-shaped sealing ring, a relief valve spring, a valve body, a third O-shaped sealing ring, a relief valve seat, a relief valve body, a locking nut, a valve body, a regulating nut, a fourth O-shaped sealing ring, a valve body, a cylinder shell, a piston.

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 should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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 an embodiment: a novel pneumatic control hydraulic valve comprises a valve body 7, a valve core 6 is arranged inside the valve body 7, a first O-shaped sealing ring 5 is arranged between the valve core 6 and the inside of the valve body 7, a first rear cover 1 is arranged on the left side of the valve body 7, the first rear cover 1 is connected with the valve body 7 through a first inner hexagon screw 25, a first standard spring washer 26 is arranged at the installation position of the first inner hexagon screw 25, so that the connection between the first rear cover 1 and the valve body 7 is stable and reliable, a return spring 4 is arranged inside the first rear cover 1, a spring seat 2 is arranged inside the return spring 4, the spring seat 2 is connected with the valve core 6 through a screw 3, a plug screw 28 is arranged in a lower side port of the valve body 7, a combined sealing gasket 27 is arranged between the plug screw 28 and a lower end port of the valve body 7, and the sealing performance of installation between the plug screw 28 and the lower end, an overflow valve seat 12 is arranged in the right port of the upper part of the valve body 7, a first O-shaped sealing ring 5 is arranged between the overflow valve seat 12 and the right port of the upper part of the valve body 7, a second O-shaped sealing ring 9 is arranged between the left end of the overflow valve seat 12 and the inside of the upper part of the valve body 7, the mounting stability and the sealing property are improved, a fixing nut 13 is arranged at the right port of the overflow valve seat 12, a locking nut 14 is arranged at the right side of the fixing nut 13, an adjusting nut 15 is arranged inside the locking nut 14, the adjusting nut 15 is nested inside the overflow valve seat 12, a third O-shaped sealing ring 11 is arranged between the adjusting nut 15 and the overflow valve seat 12, the sealing property between the adjusting nut 15 and the overflow valve seat 12 is improved, an overflow valve spring 10 is arranged inside the adjusting nut 15, a needle valve 8 is arranged at the, the cylinder shell 17 is connected with the valve body 7 through a second inner hexagon screw 30, a second standard spring washer 29 is arranged at the installation position of the second inner hexagon screw 30, so that the cylinder shell 17 and the valve body 7 are stably and reliably installed, a fourth O-shaped sealing ring 16 is arranged between the cylinder shell 17 and the valve core 6, a second rear cover 24 is arranged at the right end of the cylinder shell 17, a seventh O-shaped sealing ring 23 is arranged between the second rear cover 24 and the right end of the cylinder shell 17, the sealing performance after installation is improved, a limiting piston 21 is arranged inside the cylinder shell 17, a sixth O-shaped sealing ring 22 is arranged between the limiting piston 21 and the inner wall of the cylinder shell 17, a piston 19 is arranged at the left side of the limiting piston 21, the middle part of the piston 19 is connected with the valve core 6 through a hexagon flange face bolt 20, a fourth O-shaped sealing ring 16 is arranged between the piston 19 and the valve core 6, and a fifth O-shaped sealing ring 18 is arranged between, the connection is stable and firm, and meanwhile, the sealing performance is improved.

The working principle is as follows: the utility model discloses when using, it is right to need the utility model discloses carry out simple structure and understand, this gas accuse hydrovalve compact structure, small, light in weight, the reliable operation, and all be provided with corresponding O shape sealing washer between each subassembly in the gas accuse hydrovalve for each unit mount is stable, and the leakproofness is strong, is difficult for the oil leak.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented 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.

Claims

1. The utility model provides a novel gas accuse hydrovalve, includes valve body (7), its characterized in that: a valve core (6) is arranged inside the valve body (7), a first O-shaped sealing ring (5) is arranged between the valve core (6) and the valve body (7), a first rear cover (1) is arranged on the left side of the valve body (7), a return spring (4) is arranged inside the first rear cover (1), a spring seat (2) is arranged inside the return spring (4), the spring seat (2) is connected with the valve core (6) through a screw (3), a plug screw plug (28) is arranged in a lower side port of the valve body (7), an overflow valve seat (12) is arranged in an upper right side port of the valve body (7), a fixing nut (13) is arranged at a right end port of the overflow valve seat (12), a locking nut (14) is arranged on the right side of the fixing nut (13), an adjusting nut (15) is arranged inside the locking nut (14), an overflow valve spring (10) is arranged inside the adjusting nut (15), a needle valve (8) is arranged at the left end of the overflow valve spring (10), a cylinder shell (17) is arranged on the right side of the valve body (7), and a limiting piston (21) is arranged inside the cylinder shell (17).

2. The novel pneumatic control hydraulic valve according to claim 1, characterized in that: the first rear cover (1) is connected with the valve body (7) through a first inner hexagon screw (25), and a first standard spring washer (26) is arranged at the mounting position of the first inner hexagon screw (25).

3. The novel pneumatic control hydraulic valve according to claim 1, characterized in that: and a combined sealing gasket (27) is arranged between the plug screw plug (28) and the lower end port of the valve body (7).

4. The novel pneumatic control hydraulic valve according to claim 1, characterized in that: a first O-shaped sealing ring (5) is arranged between the overflow valve seat (12) and the port of the right end of the upper portion of the valve body (7), and a second O-shaped sealing ring (9) is arranged between the left end of the overflow valve seat (12) and the inner portion of the upper portion of the valve body (7).

5. The novel pneumatic control hydraulic valve according to claim 1, characterized in that: the adjusting nut (15) is nested in the overflow valve seat (12), and a third O-shaped sealing ring (11) is arranged between the adjusting nut (15) and the overflow valve seat (12).

6. The novel pneumatic control hydraulic valve according to claim 1, characterized in that: the cylinder shell (17) is connected with the valve body (7) through a second inner hexagonal screw (30), a second standard spring gasket (29) is arranged at the mounting position of the second inner hexagonal screw (30), a fourth O-shaped sealing ring (16) is arranged between the cylinder shell (17) and the valve core (6), a second rear cover (24) is arranged at the right end of the cylinder shell (17), and a seventh O-shaped sealing ring (23) is arranged between the second rear cover (24) and the right end of the cylinder shell (17).

7. The novel pneumatic control hydraulic valve according to claim 1, characterized in that: a sixth O-shaped sealing ring (22) is arranged between the limiting piston (21) and the inner wall of the cylinder shell (17), a piston (19) is arranged on the left side of the limiting piston (21), the middle of the piston (19) is connected with the valve core (6) through a hexagonal flange face bolt (20), a fourth O-shaped sealing ring (16) is arranged between the piston (19) and the valve core (6), and a fifth O-shaped sealing ring (18) is arranged between the piston (19) and the inner wall of the cylinder shell (17).