CN213451077U

CN213451077U - Hydraulic valve with good sealing performance

Info

Publication number: CN213451077U
Application number: CN202021978951.3U
Authority: CN
Inventors: 孙立明
Original assignee: Wuxi Dona Precision Machinery Co ltd
Current assignee: Wuxi Dona Precision Machinery Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-06-15
Anticipated expiration: 2030-09-11

Abstract

The utility model discloses a hydrovalve that leakproofness is good, which comprises a valve body, the bottom of valve body both sides communicates respectively has feed liquor pipe and drain pipe, the equal fixedly connected with sliding ring in surface of feed liquor pipe and drain pipe, the seal groove has all been seted up to the both sides of valve body inner chamber, the surface of sliding ring and the inner wall swing joint of seal groove, the equal fixedly connected with first seal cover in surface of feed liquor pipe and drain pipe, the middle-end of valve body inner chamber is provided with the case, the top of case is provided with first spring, the top fixedly connected with prevention of seepage ring of valve body inner chamber, the top intercommunication of valve body has liquid return pipe. The utility model discloses possess the good advantage of leakproofness, it is relatively poor to have solved current hydrovalve in the process sealing performance who uses, and the hydrovalve is after long-time the use, causes the inside liquid of hydrovalve to ooze easily, influences the result of use of hydrovalve, has reduced hydrovalve life's problem.

Description

Hydraulic valve with good sealing performance

Technical Field

The utility model relates to a hydrovalve technical field specifically is a hydrovalve that leakproofness is good.

Background

The hydraulic valve is controlled by pressure oil of pressure-distributing valve, usually combined with electromagnetic pressure-distributing valve, can be used for remotely controlling the on-off of oil, gas and water pipeline systems of hydropower station, and is commonly used for clamping, controlling and lubricating oil circuits, and has the characteristics of direct-acting type and pilot type, and is multipurpose pilot type, and can be divided into manual, electric control and hydraulic control according to the control method.

The existing hydraulic valve has poor sealing performance in the using process, and after the hydraulic valve is used for a long time, liquid in the hydraulic valve is easy to seep out, so that the using effect of the hydraulic valve is influenced, and the service life of the hydraulic valve is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydrovalve that leakproofness is good possesses the advantage that the leakproofness is good, and it is relatively poor to have solved current hydrovalve at the process sealing performance who uses, and the hydrovalve is after long-time the use, causes the inside liquid of hydrovalve to ooze easily, influences the result of use of hydrovalve, has reduced hydrovalve life's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic valve with good sealing performance comprises a valve body, wherein the bottoms of two sides of the valve body are respectively communicated with a liquid inlet pipe and a liquid outlet pipe, the surfaces of the liquid inlet pipe and the liquid outlet pipe are respectively and fixedly connected with a sliding ring, two sides of an inner cavity of the valve body are respectively provided with a sealing groove, the surface of the sliding ring is movably connected with the inner wall of the sealing groove, the surfaces of the liquid inlet pipe and the liquid outlet pipe are respectively and fixedly connected with a first sealing sleeve, the middle end of the inner cavity of the valve body is provided with a valve core, the top of the valve core is provided with a first spring, the top of the inner cavity of the valve body is fixedly connected with an anti-seepage ring, the top of the valve body is communicated with a liquid return pipe, the surface of the liquid return pipe is fixedly connected with a first sealing ring, the top of the inner cavity of the valve body is movably, the left side fixedly connected with connecting rod of closing plate, the fixed surface of connecting rod is connected with sealed the pad, the left side fixedly connected with fixed plate of connecting rod, there is the threaded rod left side of fixed plate through bearing swing joint, the left end of threaded rod extends to the left side of valve body, the left top fixedly connected with second sealing ring of valve body.

Preferably, the slip ring is circular, a liquid inlet matched with the liquid inlet pipe for use is formed in the bottom of the left side of the valve body, and a liquid outlet matched with the liquid outlet pipe for use is formed in the bottom of the right side of the valve body.

Preferably, the liquid inlet pipe and the opposite side of the liquid outlet pipe are fixedly connected with flanges, and the left end of the threaded rod is fixedly connected with a rotating handle.

Preferably, the top of the inner cavity of the valve body is provided with a movable cavity matched with the sealing plate for use, and the surface of the second sealing sleeve is movably connected with the inner wall of the movable cavity.

Preferably, the top of the left side of the valve body is provided with a threaded hole matched with the threaded rod for use, and the bottom of the inner cavity of the valve body is provided with a liquid return cavity.

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

1. the utility model discloses a valve body, first seal cover, the feed liquor pipe, the second sealing ring, the threaded rod, the second spring, first sealing ring, return the liquid pipe, the second seal cover, the baffle, prevention of seepage ring, first spring, the case, the sliding ring, the drain pipe, the seal groove, the closing plate, the connecting rod, fixed plate and the sealed cooperation of filling up are used, it is relatively poor to have solved current hydrovalve at the process sealing performance who uses, the hydrovalve is after long-time the use, cause the inside liquid of hydrovalve to ooze easily, influence the result of use of hydrovalve, the problem of hydrovalve life has been reduced.

2. The utility model discloses a seal groove, the cooperation of sliding ring and first seal cover is used, can be convenient for prevent that liquid from oozing through feed liquor pipe and drain pipe, through setting up prevention of seepage ring, can be convenient for prevent that liquid from oozing through the junction at valve body top, through setting up the second seal cover, can be convenient for prevent that liquid from oozing through the baffle, through setting up first seal ring, can be convenient for prevent that liquid from oozing through returning the liquid pipe, use through the cooperation of sealed pad and second seal ring, can be convenient for prevent that liquid from oozing through the threaded rod, through setting up the threaded rod, can be convenient for adjust liquid pressure release pressure.

Drawings

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

FIG. 2 is a schematic left side view of the present invention;

fig. 3 is an enlarged schematic view of a in fig. 1 according to the present invention.

In the figure: the sealing device comprises a valve body 1, a first sealing sleeve 2, a liquid inlet pipe 3, a second sealing ring 4, a threaded rod 5, a second spring 6, a first sealing ring 7, a liquid return pipe 8, a second sealing sleeve 9, a baffle 10, an anti-seepage ring 11, a first spring 12, a valve core 13, a sliding ring 14, a liquid outlet pipe 15, a sealing groove 16, a sealing plate 17, a connecting rod 18, a fixing plate 19 and a sealing gasket 20.

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.

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 be referred 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", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, 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 utility model provides a valve body 1, first seal cover 2, feed liquor pipe 3, second sealing ring 4, threaded rod 5, second spring 6, first sealing ring 7, liquid return pipe 8, second seal cover 9, baffle 10, prevention of seepage ring 11, first spring 12, case 13, sliding ring 14, drain pipe 15, closing plate 17, connecting rod 18, parts such as fixed plate 19 and sealed pad 20 are general standard or the part that technical staff in the field knows, its structure and principle all can learn through technical manual or learn through conventional experimental method for technical staff in the field.

Referring to fig. 1-3, a hydraulic valve with good sealing performance includes a valve body 1, the bottoms of the two sides of the valve body 1 are respectively communicated with a liquid inlet pipe 3 and a liquid outlet pipe 15, the bottom of the left side of the valve body 1 is provided with a liquid inlet matched with the liquid inlet pipe 3, the bottom of the right side of the valve body 1 is provided with a liquid outlet matched with the liquid outlet pipe 15, the opposite sides of the liquid inlet pipe 3 and the liquid outlet pipe 15 are both fixedly connected with a flange, the surfaces of the liquid inlet pipe 3 and the liquid outlet pipe 15 are both fixedly connected with a slip ring 14, the slip ring 14 is circular, the two sides of the inner cavity of the valve body 1 are both provided with a sealing groove 16, the surface of the slip ring 14 is movably connected with the inner wall of the sealing groove 16, the surfaces of the liquid inlet pipe 3 and the liquid outlet pipe 15 are both fixedly connected with a first sealing sleeve, the middle end of the inner cavity of the valve body 1 is provided with a valve core 13, the top of the valve core 13 is provided with a first spring 12, the top of the inner cavity of the valve body 1 is fixedly connected with an anti-seepage ring 11, liquid can be conveniently prevented from seeping out through the joint of the top of the valve body 1 by arranging the anti-seepage ring 11, the top of the valve body 1 is communicated with a liquid return pipe 8, the surface of the liquid return pipe 8 is fixedly connected with a first sealing ring 7, the liquid can be conveniently prevented from seeping out through the liquid return pipe 8 by arranging the first sealing ring 7, the top of the inner cavity of the valve body 1 is movably connected with a baffle plate 10, the surface of the baffle plate 10 is fixedly connected with a second sealing sleeve 9, the liquid can be conveniently prevented from seeping through the baffle plate 10 by arranging the second sealing sleeve 9, the top of the inner cavity of the valve body 1 is provided, the left side fixedly connected with closing plate 17 of second spring 6, the left side fixedly connected with connecting rod 18 of closing plate 17, the fixed surface of connecting rod 18 is connected with sealed the pad 20, use through the cooperation of sealed pad 20 and second sealing ring 4, can be convenient for prevent that liquid from oozing through threaded rod 5, the left side fixedly connected with fixed plate 19 of connecting rod 18, there is threaded rod 5 in the left side of fixed plate 19 through bearing swing joint, through setting up threaded rod 5, can be convenient for adjust liquid pressure release pressure, the left end fixedly connected with of threaded rod 5 changes the handle, the screw hole that uses with threaded rod 5 cooperation is seted up at the left top of valve body 1, the liquid return chamber has been seted up to the bottom of valve body 1 inner chamber, the left end of threaded rod 5 extends to the left side of valve body 1, the left top fixedly connected with second sealing, The hydraulic valve comprises a second sealing ring 4, a threaded rod 5, a second spring 6, a first sealing ring 7, a liquid return pipe 8, a second sealing sleeve 9, a baffle 10, an anti-seepage ring 11, a first spring 12, a valve core 13, a sliding ring 14, a liquid outlet pipe 15, a sealing groove 16, a sealing plate 17, a connecting rod 18, a fixing plate 19 and a sealing gasket 20, and solves the problems that the sealing performance of the existing hydraulic valve is poor in the using process, the hydraulic valve is easy to cause liquid seepage in the hydraulic valve after being used for a long time, the using effect of the hydraulic valve is affected, and the service life of the hydraulic valve is shortened.

During the use, liquid enters into valve body 1 through feed liquor pipe 3 in, and enter back the liquid intracavity, and discharge through drain pipe 15, seal groove 16, sliding ring 14 and first seal cover 2 prevent that liquid from oozing through feed liquor pipe 3 and drain pipe 15, when liquid pressure is too big, liquid enters into the top of 1 inner chamber of valve body through case 13 and first spring 12, and extrude baffle 10, second seal cover 9 prevents that liquid from oozing through baffle 10, baffle 10 extrudees second spring 6 and carries out the pressure release, the liquid of pressure release flows back through liquid return pipe 8, first sealing ring 7 prevents that liquid from oozing through liquid return pipe 8, when pressure release pressure is adjusted to needs, rotation threaded rod 5, threaded rod 5 drives closing plate 17 extrusion second spring 6, sealed pad 20 and second sealing ring 4 prevent that liquid from oozing through threaded rod 5.

In summary, the following steps: this hydrovalve that leakproofness is good, through valve body 1, first seal cover 2, feed liquor pipe 3, second sealing ring 4, threaded rod 5, second spring 6, first sealing ring 7, liquid return pipe 8, second seal cover 9, baffle 10, prevention of seepage ring 11, first spring 12, case 13, sliding ring 14, drain pipe 15, seal groove 16, closing plate 17, connecting rod 18, the cooperation of fixed plate 19 and sealed pad 20 is used, it is relatively poor to have solved current hydrovalve at the process sealing performance who uses, the hydrovalve is after long-time the use, cause the inside liquid of hydrovalve to ooze easily, influence the result of use of hydrovalve, the problem of hydrovalve life has been reduced.

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 utility model provides a hydrovalve that leakproofness is good, includes valve body (1), its characterized in that: the bottom of the two sides of the valve body (1) is respectively communicated with a liquid inlet pipe (3) and a liquid outlet pipe (15), the surfaces of the liquid inlet pipe (3) and the liquid outlet pipe (15) are respectively and fixedly connected with a sliding ring (14), the two sides of the inner cavity of the valve body (1) are respectively provided with a sealing groove (16), the surface of the sliding ring (14) is movably connected with the inner wall of the sealing groove (16), the surfaces of the liquid inlet pipe (3) and the liquid outlet pipe (15) are respectively and fixedly connected with a first sealing sleeve (2), the middle end of the inner cavity of the valve body (1) is provided with a valve core (13), the top of the valve core (13) is provided with a first spring (12), the top of the inner cavity of the valve body (1) is fixedly connected with an anti-seepage ring (11), the top of the valve body (1) is communicated with a liquid return pipe (8), the surface of the liquid return pipe (8), the fixed surface of baffle (10) is connected with second seal cover (9), the left side fixedly connected with second spring (6) of baffle (10), the left side fixedly connected with closing plate (17) of second spring (6), the left side fixedly connected with connecting rod (18) of closing plate (17), the fixed surface of connecting rod (18) is connected with sealed the pad (20), the left side fixedly connected with fixed plate (19) of connecting rod (18), there is threaded rod (5) in the left side of fixed plate (19) through bearing swing joint, the left end of threaded rod (5) extends to the left side of valve body (1), the left top fixedly connected with second sealing ring (4) of valve body (1).

2. The hydraulic valve of claim 1, wherein: the sliding ring (14) is circular, a liquid inlet matched with the liquid inlet pipe (3) for use is formed in the bottom of the left side of the valve body (1), and a liquid outlet matched with the liquid outlet pipe (15) for use is formed in the bottom of the right side of the valve body (1).

3. The hydraulic valve of claim 1, wherein: the equal fixedly connected with flange in one side that feed liquor pipe (3) and drain pipe (15) are opposite, the left end fixedly connected with of threaded rod (5) changes the handle.

4. The hydraulic valve of claim 1, wherein: the top of the inner cavity of the valve body (1) is provided with a movable cavity matched with the sealing plate (17) for use, and the surface of the second sealing sleeve (9) is movably connected with the inner wall of the movable cavity.

5. The hydraulic valve of claim 1, wherein: the threaded hole that uses with threaded rod (5) cooperation is seted up at the left top of valve body (1), the liquid return chamber has been seted up to the bottom of valve body (1) inner chamber.