CN218598824U

CN218598824U - Hydraulic valve with sealing structure

Info

Publication number: CN218598824U
Application number: CN202223097028.0U
Authority: CN
Inventors: 严海军; 王洁; 王友奇
Original assignee: Runsun Hydraulic Machinery Nantong Co ltd
Current assignee: Runsun Hydraulic Machinery Nantong Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-03-10
Anticipated expiration: 2032-11-16

Abstract

The utility model relates to a hydrovalve technical field just discloses a hydrovalve with seal structure, which comprises a valve body, one side fixedly connected with connection pad of valve body, the top fixedly connected with of valve body advances oil pipe, the inside swing joint of valve body has the case, the top fixedly connected with valve rod of case, the top fixedly connected with oil plug of valve rod, the outer wall fixedly connected with seal cover of oil plug, the cavity has been seted up to the inside of seal cover, the inside fixedly connected with supporter of seal cover, the top fixedly connected with intake pipe of seal cover. This hydrovalve with seal structure can be so that this hydrovalve has good sealed effect, through the setting of dual sealing mechanism, effectively improves the leakproofness of hydrovalve, avoids the hydrovalve to produce certain revealing in the use, improves the stability of hydrovalve work to make the practicality of this hydrovalve obtain certain promotion.

Description

Hydraulic valve with sealing structure

Technical Field

The utility model relates to a hydrovalve technical field specifically is a hydrovalve with seal structure.

Background

The hydraulic valve is an automatic element operated by pressure oil, is controlled by the pressure oil of a distribution valve, is usually combined with an electromagnetic distribution valve for use, and can be used for remotely controlling the connection and disconnection of oil, gas and water pipeline systems of hydropower stations. It is commonly used for oil circuits of clamping, controlling, lubricating and the like. The direct-acting type and the pilot type are divided into a multi-purpose pilot type.

In Chinese Utility model patent, for example CN216430516U, a hydraulic valve with good sealing effect comprises a valve body, a sealing clapboard is arranged in the valve body along the horizontal direction, a pressure plate is connected in the valve body above the sealing clapboard through a hydraulic execution unit, a sealing gasket is connected at the bottom of the pressure plate, and the sealing gasket is in a disc shape; integrally forming a sealing block at the bottom of the sealing gasket, wherein the sealing block is in a circular truncated cone shape with a large upper part and a small lower part, and the diameter of the sealing gasket is larger than that of the upper end of the sealing block; the top of the sealing partition plate is provided with a circular truncated cone-shaped groove matched with the sealing block, the bottom of the sealing partition plate is provided with a through hole communicated with the circular truncated cone-shaped groove, and the diameter of the through hole is smaller than that of the lower end of the sealing block; the utility model discloses sealed effect is better, improves sealing performance greatly, and the seepage phenomenon is difficult for appearing, guarantees the normal work of hydrovalve, and the result of use is better.

The following problems exist in the prior art:

1. the hydraulic valve with the sealing structure in the prior art has poor sealing effect, the sealing performance of the hydraulic valve is improved by using a plurality of sealing gaskets and sealing blocks, the sealing gaskets are deformed after being subjected to friction for a long time, and the sealing performance of the hydraulic valve is reduced;

2. be used for having seal structure's hydrovalve among the prior art, the protective effect to the case is not good, and the impact force that the case activity for a long time caused can cause certain damage to it, shortens the life of case.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a hydrovalve with seal structure possesses sealed effectual advantage such as, has solved the problem among the above-mentioned background art.

(II) technical scheme

For realizing the above-mentioned sealed effectual purpose, the utility model provides a following technical scheme: the hydraulic valve with the sealing structure comprises a valve body, wherein a connecting disc is fixedly connected to one side of the valve body, an oil inlet pipe is fixedly connected to the top end of the valve body, a valve core is movably connected to the inside of the valve body, a valve rod is fixedly connected to the top end of the valve core, and an oil plug is fixedly connected to the top end of the valve rod.

The utility model discloses a hydraulic valve, including oil plug, cavity, sealing sleeve, inner wall fixedly connected with intake pipe, the inner wall fixedly connected with fixed plate of valve body, the cavity has been seted up to the inside of sealing sleeve, the inside fixedly connected with supporter of sealing sleeve, the top fixedly connected with intake pipe of sealing sleeve, the inner wall fixedly connected with fixed plate of valve body, the inside fixedly connected with sealing washer of fixed plate can make this hydrovalve have good sealed effect, through the setting of dual sealing mechanism, effectively improves the leakproofness of hydrovalve, avoids the hydrovalve to produce certain revealing in the use, improves hydrovalve job stabilization nature to the practicality that makes this hydrovalve has obtained certain promotion.

Preferably, the shape and size of the sealing sleeve are matched with those of the oil plug, and the sealing sleeve is fixedly connected with the oil plug, so that the sealing performance of the oil plug and the valve body is improved conveniently.

Preferably, the bottom fixedly connected with telescopic link of case, the bottom fixedly connected with connecting plate of telescopic link, the top fixedly connected with spring of connecting plate, the bottom fixedly connected with of connecting plate is sealed fills up, the through-hole has been seted up to the inside of sealed pad, improves the protectiveness to the case, avoids long-time regulation to bring certain damage for the case, effectively prolongs the life of case.

Preferably, the shape and size of the connecting plate are matched with those of the sealing gasket, and the connecting plate is fixedly connected with the sealing gasket, so that the movable sealing performance of the valve core is improved.

Preferably, the shape and size of the through hole are matched with those of the valve core, and the sealing gasket is movably connected with the valve core through the through hole, so that the valve core is convenient to move and plays a certain protection effect on the valve core.

Preferably, the air inlet pipe penetrates through the inside of the valve body and extends to the top end of the valve body, and the air inlet pipe is movably connected with the valve body, so that the inside of the sealing sleeve is conveniently inflated.

Preferably, the shape and size of the sealing ring are matched with those of the valve rod, and the sealing ring is movably connected with the valve rod, so that the sealing performance of the valve rod during movement is improved.

(III) advantageous effects

Compared with the prior art, the utility model provides a hydrovalve with seal structure possesses following beneficial effect:

1. this hydrovalve with seal structure, through the oil plug, the seal cover, the cavity that set up, the supporter, the intake pipe, fixed plate and sealing washer, can be so that this hydrovalve has good sealed effect, through the setting of dual sealing mechanism, effectively improve the leakproofness of hydrovalve, avoid the hydrovalve to produce certain revealing in the use, improve the stability of hydrovalve work to make the practicality of this hydrovalve obtain certain promotion.

2. This hydrovalve with seal structure through telescopic link, connecting plate, spring, sealed pad and the through-hole that sets up, can be so that this hydrovalve has good protecting effect, improves the protectiveness to the case, avoids long-time regulation to bring certain damage for the case, effectively prolongs the life of case to make the suitability of this hydrovalve obtain certain promotion.

Drawings

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

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

FIG. 3 is a perspective view of the sealing ring structure of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

fig. 5 is an enlarged schematic structural view of the point B in fig. 1 according to the present invention.

In the figure: 1. a valve body; 2. a connecting disc; 3. an oil inlet pipe; 4. a valve core; 5. a valve stem; 6. an oil plug; 7. sealing sleeves; 8. a cavity; 9. a support body; 10. an air inlet pipe; 11. a fixing plate; 12. a seal ring; 13. a telescopic rod; 14. a connecting plate; 15. a spring; 16. a gasket; 17. and a through hole.

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 efforts all belong to the protection scope of the present invention.

Example 1

The preferred embodiment of the hydraulic valve with a sealing structure provided by the present invention is shown in fig. 1 to 5: the utility model provides a hydrovalve with seal structure, includes valve body 1, one side fixedly connected with connection pad 2 of valve body 1, and the top fixedly connected with of valve body 1 advances oil pipe 3, and the inside swing joint of valve body 1 has case 4, and the top fixedly connected with valve rod 5 of case 4, the top fixedly connected with oil plug 6 of valve rod 5.

Outer wall fixedly connected with seal cover 7 of oil plug 6, cavity 8 has been seted up to the inside of seal cover 7, the inside fixedly connected with supporter 9 of seal cover 7, the top fixedly connected with intake pipe 10 of seal cover 7, the inner wall fixedly connected with fixed plate 11 of valve body 1, the inside fixedly connected with sealing washer 12 of fixed plate 11, can be so that this hydrovalve has good sealed effect, setting through dual sealing mechanism, effectively improve the leakproofness of hydrovalve, avoid the hydrovalve to produce certain revealing in the use, improve the stability of hydrovalve work, thereby make the practicality of this hydrovalve obtain certain promotion.

In this embodiment, the shape and size of the sealing sleeve 7 are matched with the shape and size of the oil plug 6, and the sealing sleeve 7 is fixedly connected with the oil plug 6, so that the sealing performance of the oil plug 6 and the valve body 1 is improved conveniently.

Example 2

On the basis of embodiment 1, the present invention provides a preferred embodiment of a hydraulic valve with a sealing structure, which is shown in fig. 1 to 5: the bottom fixedly connected with telescopic link 13 of case 4, the bottom fixedly connected with connecting plate 14 of telescopic link 13, the top fixedly connected with spring 15 of connecting plate 14, the sealed pad 16 of bottom fixedly connected with of connecting plate 14, through-hole 17 has been seted up to the inside of sealed pad 16, the improvement is to the protectiveness of case 4, avoid long-time regulation to bring certain damage for case 4, effectively prolong the life of case 4.

In this embodiment, the shape and size of the connecting plate 14 and the shape and size of the sealing gasket 16 are both matched with each other, and the connecting plate 14 is fixedly connected with the sealing gasket 16, so that the movable sealing performance of the valve core 4 is improved.

Furthermore, the shape and size of the through hole 17 are matched with the shape and size of the valve core 4, and the sealing gasket 16 is movably connected with the valve core 4 through the through hole 17, so that the valve core 4 can be conveniently moved and a certain protection effect is achieved on the valve core 4.

Furthermore, the air inlet pipe 10 penetrates through the inside of the valve body 1 and extends to the top end of the valve body 1, and the air inlet pipe 10 is movably connected with the valve body 1, so that the inside of the sealing sleeve 7 can be conveniently inflated.

In addition, the shape and size of the sealing ring 12 are matched with the shape and size of the valve rod 5, and the sealing ring 12 is movably connected with the valve rod 5, so that the sealing performance of the valve rod 5 during movement is improved.

During the use, carry out the gas injection through intake pipe 10 to the inside cavity 8 of seal cover 7, make seal cover 7 obtain the inflation, closely laminate the inner wall of valve body 1, the setting of supporter 9 improves the stability ability of seal cover 7 simultaneously, and combine the setting of fixed plate 11 and sealing washer 12, play double sealing's effect, effectively improve the leakproofness of valve body 1, when case 4 is closing the in-process, drive connecting plate 14 and sealed 16 play certain cushioning effect to case 4 through the elasticity of telescopic link 13 and spring 15, thereby work is accomplished.

To sum up, this hydrovalve with seal structure, can be so that this hydrovalve has good sealed effect, setting through double seal mechanism, effectively improve the leakproofness of hydrovalve, avoid the hydrovalve to produce certain revealing in the use, improve the stability of hydrovalve work, thereby make the practicality of this hydrovalve obtain certain promotion, this hydrovalve has good protecting effect, improve the protectiveness to case 4, avoid long-time regulation to bring certain damage for case 4, effectively prolong the life of case 4, thereby make the suitability of this hydrovalve obtain certain promotion.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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. A hydraulic valve with a sealing structure comprises a valve body (1), and is characterized in that: a connecting disc (2) is fixedly connected to one side of the valve body (1), an oil inlet pipe (3) is fixedly connected to the top end of the valve body (1), a valve core (4) is movably connected to the inside of the valve body (1), a valve rod (5) is fixedly connected to the top end of the valve core (4), and an oil plug (6) is fixedly connected to the top end of the valve rod (5);

the oil plug is characterized in that a sealing sleeve (7) is fixedly connected to the outer wall of the oil plug (6), a cavity (8) is formed in the sealing sleeve (7), a supporting body (9) is fixedly connected to the inner portion of the sealing sleeve (7), an air inlet pipe (10) is fixedly connected to the top end of the sealing sleeve (7), a fixing plate (11) is fixedly connected to the inner wall of the valve body (1), and a sealing ring (12) is fixedly connected to the inner portion of the fixing plate (11).

2. A hydraulic valve having a sealing structure according to claim 1, wherein: the shape and size of the sealing sleeve (7) are matched with that of the oil plug (6), and the sealing sleeve (7) is fixedly connected with the oil plug (6).

3. A hydraulic valve having a sealing structure according to claim 1, wherein: the bottom fixedly connected with telescopic link (13) of case (4), the bottom fixedly connected with connecting plate (14) of telescopic link (13), the top fixedly connected with spring (15) of connecting plate (14), the bottom fixedly connected with of connecting plate (14) fills up sealed (16), through-hole (17) have been seted up to the inside of sealed pad (16).

4. A hydraulic valve having a sealing structure according to claim 3, wherein: the shape and size of the connecting plate (14) and the shape and size of the sealing gasket (16) are matched with each other, and the connecting plate (14) is fixedly connected with the sealing gasket (16).

5. A hydraulic valve having a sealing structure according to claim 3, wherein: the shape and the size of the through hole (17) are matched with those of the valve core (4), and the sealing gasket (16) is movably connected with the valve core (4) through the through hole (17).

6. The hydraulic valve having a sealing structure according to claim 1, wherein: the air inlet pipe (10) penetrates through the inside of the valve body (1) and extends to the top end of the valve body (1), and the air inlet pipe (10) is movably connected with the valve body (1).

7. A hydraulic valve having a sealing structure according to claim 1, wherein: the shape and the size of the sealing ring (12) are matched with those of the valve rod (5), and the sealing ring (12) is movably connected with the valve rod (5).