CN216768359U

CN216768359U - Valve with good sealing performance

Info

Publication number: CN216768359U
Application number: CN202123268320.XU
Authority: CN
Inventors: 杨艳龙
Original assignee: Xiamen Xinhongyan Machinery Co ltd
Current assignee: Xiamen Xinhongyan Machinery Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-06-17
Anticipated expiration: 2031-12-23

Abstract

The utility model discloses a valve with good sealing performance, which belongs to the technical field of valves, and the technical scheme is characterized in that the valve comprises a valve body, a water stop plate is fixedly connected inside the valve body, a sealing plug is tightly contacted inside the water stop plate, a fixing plate is fixedly connected at the top inside the valve body, a screw rod is movably connected at the top of the sealing plug, the top of the screw rod penetrates through the inside of the fixing plate and extends to the top of the valve body, a sealing mechanism is connected on the surface of the screw rod in a threaded manner, the sealing mechanism is matched with the fixing plate for use, and moving mechanisms are fixedly connected on two sides of the bottom inside of the fixing plate, so that the problems of friction loss and the like of the existing valve due to long-time use are solved, when the valve is opened, a gap can be formed at the rotating part of a screw rod for controlling the valve and the valve, so that a conveying medium can leak, and the sealing performance is poor are caused, the sealing performance of the valve is reduced, and the sealing effect is affected.

Description

Valve with good sealing performance

Technical Field

The utility model relates to the technical field of valves, in particular to a valve with good sealing performance.

Background

The valve is a parameter pipeline accessory used for opening and closing a pipeline, controlling the flow direction, adjusting and controlling the conveying medium, and can be divided into a shut-off valve, a check valve, an adjusting valve and the like according to the functions of the valve.

The valve is used for the valve of fluid control system, from the simplest stop valve to the various valves used in the extremely complicated autonomous system, its variety and specification are quite various, and current valve can appear friction loss scheduling problem because long-time the use, and when the valve was opened, the gap can appear with the rotation department of valve to the lead screw of control valve for the transport medium can take place to leak, leads to the poor problem of leakproofness, makes the leakproofness of valve descend.

SUMMERY OF THE UTILITY MODEL

The utility model provides a valve with good sealing performance, and aims to solve the problems that friction loss and the like occur due to long-time use of the existing valve, when the valve is opened, a gap occurs at the rotating part of a screw rod of a control valve and the valve, so that a conveying medium leaks, the sealing performance is poor, the sealing performance of the valve is reduced, and the sealing effect is influenced.

The valve with good sealing performance comprises a valve body, wherein a water stop plate is fixedly connected inside the valve body, a sealing plug is tightly contacted inside the water stop plate, a fixing plate is fixedly connected to the top inside the valve body, a screw rod is movably connected to the top of the sealing plug, the top of the screw rod penetrates through the inside of the fixing plate and extends to the top of the valve body, a sealing mechanism is connected to the surface of the screw rod in a threaded manner, the sealing mechanism is matched with the fixing plate for use, two sides of the bottom inside the fixing plate are fixedly connected with moving mechanisms, and the moving mechanisms are movably connected with the sealing mechanism;

sealing mechanism includes fly leaf, rubber sleeve and connecting block, the inner wall of fly leaf and the surperficial threaded connection of screw rod, the top of fly leaf and the bottom fixed connection of rubber sleeve, one side and fly leaf fixed connection that the connecting block is close to the fly leaf, connecting block and moving mechanism swing joint.

In order to achieve the effect of improving the stability of the sealing mechanism, the moving mechanism preferably comprises a fixed rod, a sliding block and a spring, wherein one side of the fixed rod, which is close to the inner wall of the fixed plate, is fixedly connected with the fixed plate, the surface of the fixed rod is movably contacted with the inner wall of the sliding block, the spring is sleeved on the surface of the fixed rod, and one side of the spring, which is close to the inner wall of the fixed plate and the sliding block, is fixedly connected with the fixed plate and the sliding block respectively.

In order to achieve the effect of facilitating the movement of the sealing mechanism, the valve with good sealing performance is preferably used, the screw penetrates through the rubber sleeve, the movable plate is internally provided with a threaded hole matched with the screw, the bottom of the fixed plate is provided with a sealing groove matched with the rubber sleeve, and the sealing groove is annular.

In order to achieve the effect of connecting the moving mechanism and the sealing mechanism, the valve with good sealing performance is preferably used, the bottom of the sliding block is fixedly connected with a first rotating shaft, one side, away from the movable plate, of the connecting block is fixedly connected with a second rotating shaft, the inner part of the first rotating shaft is movably connected with a connecting rod, and one side, away from the first rotating shaft, of the connecting rod is movably connected with the second rotating shaft.

In order to achieve the effect of improving the stability of the moving mechanism, the valve with good sealing performance is preferably used, the top of the sliding block is fixedly connected with a moving block, one side, away from the sliding block, of the moving block is in contact with the inner wall of the fixed plate, and moving grooves matched with the moving block are formed in two sides of the bottom of the fixed plate.

In order to achieve the effect of facilitating the screw rod to drive the sealing plug to move, the valve with good sealing performance is preferably used, the fixing plate is internally provided with a through hole matched with the screw rod for use, the bottom of the surface of the screw rod is fixedly connected with a bearing seat, the bottom of the bearing seat is fixedly connected with the top of the sealing plug, and the inside of the water stop plate is provided with a sealing hole matched with the sealing plug for use.

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

this valve that leakproofness is good, when the valve body need be opened, rotate through the screw rod, make the screw rod drive the sealing plug and shift out from the inside of stagnant water board, the screw rod can drive the fly leaf and remove at the surface of screw rod when rotating, make the top of rubber sleeve and the inner wall in close contact with of fixed plate, thereby can reach sealed effect, can prevent to carry the medium to leak from the rotation department of screw rod and valve body, improve the sealing performance of valve body, when the fly leaf removes, can make the connecting block promote the moving mechanism and remove, through moving mechanism, can make the stable removal of fly leaf, prevent the condition of skew, influence the sealed effect of rubber sleeve.

Drawings

FIG. 1 is an overall view of a valve of the present invention with good sealing performance;

FIG. 2 is a cross-sectional view of a valve body according to the present invention;

fig. 3 is a plan view of the sealing plug of the present invention;

FIG. 4 is a structural view of a sealing mechanism of the present invention;

FIG. 5 is a plan view of the moving mechanism of the present invention;

FIG. 6 is a view showing the construction of a fixing plate according to the present invention;

fig. 7 is an enlarged view of the utility model at a in fig. 3.

In the figure, 1, a valve body; 2. a sealing mechanism; 201. a movable plate; 202. a rubber sleeve; 203. connecting blocks; 3. a moving mechanism; 301. fixing the rod; 302. a slider; 303. a spring; 4. a water stop plate; 5. a sealing plug; 6. a screw; 7. a fixing plate; 8. a threaded hole; 9. a sealing groove; 10. a first rotating shaft; 11. a second rotating shaft; 12. a connecting rod; 13. a moving block; 14. a moving groove; 15. a through hole; 16. a bearing seat; 17. the hole is sealed.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-7, the present invention provides a technical solution: a valve with good sealing performance comprises a valve body 1, wherein a water stop plate 4 is fixedly connected inside the valve body 1, a sealing plug 5 is tightly contacted inside the water stop plate 4, a fixing plate 7 is fixedly connected to the top inside the valve body 1, a screw rod 6 is movably connected to the top of the sealing plug 5, the top of the screw rod 6 penetrates through the inside of the fixing plate 7 and extends to the top of the valve body 1, a sealing mechanism 2 is connected to the surface of the screw rod 6 in a threaded manner, the sealing mechanism 2 is matched with the fixing plate 7 for use, two sides of the bottom inside the fixing plate 7 are fixedly connected with moving mechanisms 3, and the moving mechanisms 3 are movably connected with the sealing mechanism 2;

the sealing mechanism 2 comprises a movable plate 201, a rubber sleeve 202 and a connecting block 203, wherein the inner wall of the movable plate 201 is in threaded connection with the surface of the screw 6, the top of the movable plate 201 is fixedly connected with the bottom of the rubber sleeve 202, one side of the connecting block 203 close to the movable plate 201 is fixedly connected with the movable plate 201, and the connecting block 203 is movably connected with the moving mechanism 3.

In this embodiment: when the valve body 1 needs to be opened, the screw rod 6 is rotated, the screw rod 6 is enabled to drive the sealing plug 5 to move out of the inside of the water stop plate 4, the screw rod 6 can drive the movable plate 201 to move on the surface of the screw rod 6 while rotating, the top of the rubber sleeve 202 is enabled to be in close contact with the inner wall of the fixed plate 7, the sealing effect can be achieved, the leakage of conveying media from the rotating part of the screw rod 6 and the valve body 1 can be prevented, the sealing performance of the valve body 1 is improved, when the movable plate 201 moves, the connecting block 203 can push the moving mechanism 3 to move, the moving mechanism 3 can be used for enabling the movable plate 201 to stably move, the situation of deviation is prevented from occurring, and the sealing effect of the rubber sleeve 202 is influenced.

As a technical optimization scheme of the utility model, the moving mechanism 3 comprises a fixed rod 301, a sliding block 302 and a spring 303, wherein one side of the fixed rod 301 close to the inner wall of the fixed plate 7 is fixedly connected with the fixed plate 7, the surface of the fixed rod 301 is movably contacted with the inner wall of the sliding block 302, the spring 303 is sleeved on the surface of the fixed rod 301, and one side of the spring 303 close to the inner wall of the fixed plate 7 and one side of the sliding block 302 are respectively fixedly connected with the fixed plate 7 and the sliding block 302.

In this embodiment: connecting block 203 removes simultaneously, can drive slider 302 and remove at the surface of dead lever 301, makes slider 302 extrude and make spring 303 shrink to spring 303, can make fly leaf 201 can not take place the skew when removing, guarantees that the sealed of rubber sleeve 202 and between the fixed plate 7 can prevent to receive the influence, avoids causing the influence to the sealing performance of valve body 1.

As a technical optimization scheme of the utility model, the screw 6 penetrates through the inside of the rubber sleeve 202, the movable plate 201 is internally provided with a threaded hole 8 matched with the screw 6 for use, the bottom of the fixed plate 7 is provided with a sealing groove 9 matched with the rubber sleeve 202 for use, and the sealing groove 9 is annular in shape.

In this embodiment: through setting up screw hole 8, can be convenient for fly leaf 201 and remove on the surface of screw rod 6, through setting up seal groove 9, can be convenient for rubber sleeve 202 and fixed plate 7 in close contact with, make rubber sleeve 202 can form sealed effect, set up to the annular through the shape with seal groove 9, can be convenient for can closely laminate with rubber sleeve 202.

As a technical optimization scheme of the utility model, the bottom of the sliding block 302 is fixedly connected with a first rotating shaft 10, one side of the connecting block 203 far away from the movable plate 201 is fixedly connected with a second rotating shaft 11, the inside of the first rotating shaft 10 is movably connected with a connecting rod 12, and one side of the connecting rod 12 far away from the first rotating shaft 10 is movably connected with the second rotating shaft 11.

In this embodiment: through setting up first pivot 10, when connecting block 203 removes, can drive second pivot 11 and remove, make second pivot 11 move at the surface activity of connecting rod 12 and drive connecting rod 12 and remove, connecting rod 12 removes and can move in the inside activity of first pivot 10 simultaneously to can make first pivot 10 promote slider 302 and remove at the surface of dead lever 301, be convenient for make connecting block 203 can be connected with slider 302.

As a technical optimization scheme of the utility model, the top of the sliding block 302 is fixedly connected with a moving block 13, one side of the moving block 13, which is far away from the sliding block 302, is in contact with the inner wall of the fixed plate 7, and two sides of the bottom of the fixed plate 7 are respectively provided with a moving groove 14 matched with the moving block 13 for use.

In this embodiment: through setting up movable block 13 and shifting chute 14, slider 302 can drive movable block 13 and remove in shifting chute 14 at the in-process that removes, can make slider 302 can steady removal, can prevent to cause the influence to the removal of fly leaf 201.

As a technical optimization scheme of the utility model, a through hole 15 matched with the screw 6 for use is formed in the fixing plate 7, a bearing seat 16 is fixedly connected to the bottom of the surface of the screw 6, the bottom of the bearing seat 16 is fixedly connected with the top of the sealing plug 5, and a sealing hole 17 matched with the sealing plug 5 for use is formed in the water stop plate 4.

In this embodiment: through setting up through-hole 15, the screw rod 6 of can being convenient for runs through the inside of fixed plate 7, through setting up bearing frame 16, can be when not influencing screw rod 6 pivoted, the screw rod 6 of being convenient for again is connected with sealing plug 5, is convenient for drive sealing plug 5 and realizes or remove sealed effect, through setting up sealed hole 17, the inside formation stagnant water's of sealing plug 5 entering stagnant water board 4 that can be convenient for effect.

The working principle is as follows: firstly, when the valve body 1 needs to be opened, the screw 6 rotates inside the bearing seat 16, so that the screw 6 drives the sealing plug 5 to move out of the sealing hole 17 inside the water stop plate 4, the movable plate 201 moves on the surface of the screw 6 while the screw 6 rotates, the movable plate 201 drives the connecting block 203 to move, the connecting block 203 drives the second rotating shaft 11 to move, so that the second rotating shaft 11 moves on the surface of the connecting rod 12 and drives the connecting rod 12 to move, the connecting rod 12 moves and moves inside the first rotating shaft 10, so that the first rotating shaft 10 can drive the sliding block 302 to move on the surface of the fixed rod 301, the sliding block 302 drives the moving block 13 to move in the moving groove 14 while moving, so that the sliding block 302 moves smoothly, the sliding block 302 extrudes the spring 303 and contracts the spring 303, the movable plate 201 moves stably, and the rubber sleeve 202 enters the sealing groove 9 at the bottom of the fixed plate 7 to be in close contact with the inside of the fixed plate 7, a sealing effect is formed.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a valve that leakproofness is good, includes valve body (1), its characterized in that: the sealing device is characterized in that a water stop plate (4) is fixedly connected to the inside of the valve body (1), a sealing plug (5) is tightly contacted with the inside of the water stop plate (4), a fixing plate (7) is fixedly connected to the top of the inside of the valve body (1), a screw rod (6) is movably connected to the top of the sealing plug (5), the top of the screw rod (6) penetrates through the inside of the fixing plate (7) and extends to the top of the valve body (1), a sealing mechanism (2) is connected to the surface of the screw rod (6) in a threaded manner, the sealing mechanism (2) is matched with the fixing plate (7) for use, moving mechanisms (3) are fixedly connected to two sides of the bottom of the inside of the fixing plate (7), and the moving mechanisms (3) are movably connected with the sealing mechanism (2);

sealing mechanism (2) include fly leaf (201), rubber sleeve (202) and connecting block (203), the inner wall of fly leaf (201) and the surface threaded connection of screw rod (6), the top of fly leaf (201) and the bottom fixed connection of rubber sleeve (202), one side and fly leaf (201) fixed connection that connecting block (203) are close to fly leaf (201), connecting block (203) and moving mechanism (3) swing joint.

2. The valve of claim 1, wherein: moving mechanism (3) are including dead lever (301), slider (302) and spring (303), one side and fixed plate (7) fixed connection that dead lever (301) are close to fixed plate (7) inner wall, the surface of dead lever (301) and the inner wall movable contact of slider (302), the surface at dead lever (301) is established in spring (303), one side that spring (303) are close to fixed plate (7) inner wall and slider (302) respectively with fixed plate (7) and slider (302) fixed connection.

3. The valve of claim 1, wherein: the utility model discloses a rubber sleeve's (202) sealing structure, including screw rod (6), fly leaf (201), seal groove (9) are seted up to the bottom of fixed plate (7), and seal groove (9) shape is the annular, the inside of rubber sleeve (202) is run through in screw rod (6), screw hole (8) that use with screw rod (6) cooperation are seted up in the inside of fly leaf (201).

4. The valve of claim 2, wherein: the bottom fixedly connected with first pivot (10) of slider (302), one side fixedly connected with second pivot (11) of fly leaf (201) are kept away from in connecting block (203), the inside swing joint of first pivot (10) has connecting rod (12), one side and second pivot (11) swing joint of first pivot (10) are kept away from in connecting rod (12).

5. The valve as claimed in claim 2, wherein: the top of the sliding block (302) is fixedly connected with a moving block (13), one side, far away from the sliding block (302), of the moving block (13) is in contact with the inner wall of the fixing plate (7), and moving grooves (14) matched with the moving block (13) for use are formed in the two sides of the bottom of the fixing plate (7).

6. The valve of claim 1, wherein: the sealing device is characterized in that a through hole (15) matched with the screw rod (6) for use is formed in the fixing plate (7), a bearing seat (16) is fixedly connected to the bottom of the surface of the screw rod (6), the bottom of the bearing seat (16) is fixedly connected with the top of the sealing plug (5), and a sealing hole (17) matched with the sealing plug (5) for use is formed in the water stop plate (4).