CN216279498U

CN216279498U - Ball valve with valve rod buffering assembly

Info

Publication number: CN216279498U
Application number: CN202122362987.XU
Authority: CN
Inventors: 霍家俊
Original assignee: Central Asia Valve Technology Co ltd
Current assignee: Central Asia Valve Technology Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-04-12
Anticipated expiration: 2031-09-28

Abstract

The utility model discloses a ball valve with a valve rod buffering assembly, which comprises a valve body and a valve rod, wherein a valve block is arranged inside the valve body, the top end of the valve block is connected with the valve rod, a butt joint block is arranged outside the valve rod, a fixed block is sleeved outside the valve rod, the fixed block and the butt joint block are jointly connected with an installation block, a movable sealing ring is arranged at the part of the installation block, which penetrates through the bottom end of the installation block, of the valve rod, a sealing ring is arranged inside the installation block of the valve rod, and antirust coatings are arranged on the surfaces of the fixed block and the butt joint block. The elastic rubber pad is arranged, so that when the valve is used, the fixed handle can be held by a hand to enable the threaded ring sleeve to rotate and move downwards or upwards, when the threaded ring sleeve rotates to a limit position, the valve rod can be driven to rotate through the buffer rod, the elastic rubber pad is extruded at the moment, and the threaded ring sleeve is applied with upward or downward force to effectively buffer, so that the influence of the rotation of the valve rod on the valve body is reduced, and the tightness of the valve body is greatly stabilized.

Description

Ball valve with valve rod buffering assembly

Technical Field

The utility model relates to the technical field of ball valve design, in particular to a ball valve with a valve rod buffering assembly.

Background

The ball valve, the opening and closing piece (ball) is driven by the valve rod and rotates around the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the build-up welding hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the switching of the flow direction of the medium on the pipeline, and can close any channel to connect the other two channels. The valve of this type should be generally installed horizontally in the pipeline.

The handle drives the valve rod to rotate to generate upward or downward acting force when the existing ball valve is opened or closed, and the tightness of the ball valve is affected for a long time, so that the ball valve with the valve rod buffering assembly needs to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that when the existing ball valve is opened or closed, a handle drives a valve rod to rotate to generate an upward or downward acting force, and the tightness of the ball valve is affected for a long time in the past, and provides the ball valve with a valve rod buffering assembly.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a ball valve with a valve rod buffering assembly comprises a valve body and a valve rod, wherein a valve block is arranged inside the valve body, the top end of the valve block is connected with the valve rod, a butt joint block is arranged outside the valve rod, a fixed block is sleeved outside the valve rod, the fixed block and the butt joint block are connected with an installation block together, a movable sealing ring is arranged on the part of the installation block, passing through the bottom end of the installation block, of the valve rod, a sealing ring is arranged inside the installation block of the valve rod, antirust coatings are arranged on the surfaces of the fixed block and the butt joint block, a threaded head is arranged at the top end of the valve rod and connected inside a buffer rod, the buffer rod and the valve rod are fixedly connected through two same butt joint flanges, two fixed pressure plates are arranged at the top end of the buffer rod, a fixed threaded rod is arranged between the fixed pressure plates, elastic rubber pads are arranged on the surfaces of the fixed pressure plates, and a threaded ring sleeve is arranged on the fixed threaded rod, the thread ring sleeve is connected with a fixed handle, the fixed handle is provided with an anti-skidding silica gel sleeve, the valve body is internally provided with a fixed circular block, and the fixed circular block is connected with a circular screen plate.

Preferably, the fixed block and the butt joint block are fixedly connected with the installation block and fixedly welded with the valve body through bolts, the movable sealing ring is in close contact with the installation block and is fixedly adhered with the installation block through waterproof glue, and the sealing ring and the valve rod are integrally designed and have the same outer diameter as the inner diameter of the installation block.

Preferably, the antirust coating is tightly connected with the fixed block and the butt joint block in a hot-dip mode and is made of special improved epoxy resin.

Preferably, the thread head is in threaded connection with a thread groove in the buffer rod, and the thread head corresponds to the bolt hole positions on the two butting flanges when the thread head rotates to a large force in the buffer rod.

Preferably, the elastic rubber pad is tightly adhered to the fixed pressure plate, and the threaded ring sleeve is in threaded connection with the fixed threaded rod.

Preferably, the anti-slip silica gel sleeve and the fixed handle are fixedly adhered, and the anti-slip silica gel sleeve has certain elasticity and is subjected to corrosion-resistant treatment.

Preferably, the fixed circular block and the valve body are designed integrally and are designed in a hole opening mode with the circular screen plate, and the circular screen plate is provided with two positions and is made of rustproof metal.

Compared with the prior art, the utility model has the following advantages:

1. by arranging the movable sealing ring and the sealing ring, the movable sealing ring 7 can play a good waterproof effect when the valve rod rotates and drives the valve block to rotate, so that water is prevented from permeating from a connecting gap between the valve rod and the mounting block, and meanwhile, the sealing ring and the movable sealing ring are matched to further enhance the waterproof performance of the valve body, so that the valve is very good in use;

2. the elastic rubber pad is arranged, so that when the valve body is used, the fixed handle can be held by a hand to enable the threaded ring sleeve to rotate and move downwards or upwards, when the threaded ring sleeve rotates to a limit position, the valve rod can be driven to rotate through the buffer rod, the elastic rubber pad is extruded at the moment, and the threaded ring sleeve is applied with upward or downward force to effectively buffer, so that the influence of the rotation of the valve rod on the valve body is reduced, and the tightness of the valve body is greatly stabilized;

3. according to the utility model, the circular screen plate is arranged, so that when the valve body discharges water, the circular screen plate fixed on the circular block can intercept hardened substances such as stones in water, the valve block is prevented from being damaged, and a good protection effect is achieved.

Drawings

FIG. 1 is a schematic diagram of a front view of the internal structure of a ball valve having a stem damper assembly according to the present invention;

FIG. 2 is an enlarged schematic view of a ball valve having a stem damper assembly according to the present invention at point A;

FIG. 3 is an enlarged schematic view of a ball valve having a stem damper assembly according to the present invention at point B;

fig. 4 is an enlarged schematic view of a ball valve having a stem damper assembly according to the present invention at position C.

In the figure: 1. a valve body; 2. a valve block; 3. a valve stem; 4. a butt joint block; 5. a fixed block; 6. mounting blocks; 7. a movable sealing ring; 8. a seal ring; 9. an antirust plating layer; 10. a screw head; 11. a buffer rod; 12. butting flanges; 13. a fixed platen; 14. fixing a threaded rod; 15. an elastic rubber pad; 16. a threaded ring sleeve; 17. fixing a handle; 18. an anti-slip silica gel sleeve; 19. fixing the round block; 20. a circular mesh plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 4, a ball valve with a valve rod buffering assembly comprises a valve body 1 and a valve rod 3, wherein a valve block 2 is arranged inside the valve body 1, the top end of the valve block 2 is connected with the valve rod 3, a butt joint block 4 is arranged outside the valve rod 3, a fixed block 5 is sleeved outside the valve rod 3, the fixed block 5 and the butt joint block 4 are connected with a mounting block 6 together, a movable sealing ring 7 is arranged at the part of the mounting block 6, which penetrates through the bottom end of the valve rod 3, the valve rod 3 is provided with a sealing ring 8 inside the mounting block 6, antirust coatings 9 are arranged on the surfaces of the fixed block 5 and the butt joint block 4, a threaded head 10 is arranged at the top end of the valve rod 3, the threaded head 10 is connected inside a buffering rod 11, the buffering rod 11 and the valve rod 3 are fixedly connected through two same butt joint flanges 12, two fixed pressure plates 13 are arranged at the top end of the buffering rod 11, a fixed threaded rod 14 is arranged between the fixed pressure plates 13, elastic rubber pads 15 are arranged on the surfaces of the fixed pressure plates 13, the fixed threaded rod 14 is provided with a threaded ring sleeve 16, the threaded ring sleeve 16 is connected with a fixed handle 17, the fixed handle 17 is provided with an anti-skid silica gel sleeve 18, a fixed circular block 19 is arranged inside the valve body 1, and the fixed circular block 19 is connected with a circular screen plate 20;

it is worth mentioning that the fixed block 5 and the butt joint block 4 are fixedly connected with the mounting block 6 through bolts, the mounting block 6 is fixedly welded with the valve body 1, the movable sealing ring 7 is tightly contacted with the mounting block 6 and fixedly adhered with the mounting block 6 through waterproof glue, the sealing ring 8 and the valve rod 3 are integrally designed, the outer diameter of the sealing ring is the same as the inner diameter of the mounting block 6, and therefore the movable sealing ring 7 can play a good waterproof effect when the valve rod 3 rotates and drives the valve block 2 to rotate, water is prevented from permeating from a connecting gap between the valve rod 3 and the mounting block 6, and meanwhile, the sealing ring 8 is matched with the movable sealing ring 7, so that the waterproof performance of the valve body 1 can be further enhanced, and the valve body is very good in use;

it is worth mentioning that the rust-proof plating layer 9 is tightly connected with the fixed block 5 and the butt joint block 4 in a hot-dip mode, and the rust-proof plating layer 9 is made of special improved epoxy resin, so that the fixed block 5 and the butt joint block 4 can be kept not to be corroded by water and rusted in a long-term humid environment, the period of replacing accessories is further prolonged, and the service life of the accessories is prolonged;

it is worth mentioning that the thread head 10 is in threaded connection with the thread groove in the buffer rod 11, the bolt holes on the two butting flanges 12 correspond to each other when the thread head 10 rotates to a large force in the buffer rod 11, so that the buffer rod 11 is firstly sleeved on the thread head 10 and rotates when being installed, the two butting flanges 12 are tightly attached to each other, the bolt holes on the two butting flanges 12 correspond to each other at the moment, and then the buffer rod 11 is installed by using bolts, so that the installation is firm, the disassembly is simple, and the buffer rod 11 is convenient to replace and maintain when the buffer rod 11 is damaged;

it is worth mentioning that the elastic rubber pad 15 is tightly adhered to the fixed pressure plate 13, and the thread ring sleeve 16 is in threaded connection with the fixed threaded rod 14, so that when the valve is used, the fixed handle 17 can be held by a hand to enable the thread ring sleeve 16 to rotate and move downwards or upwards, when the thread ring sleeve 16 rotates to a limit position on the fixed threaded rod 14, the valve rod 3 can be driven to rotate through the buffer rod 11, at the moment, the elastic rubber pad 15 is extruded, and upward or downward force is applied to the thread ring sleeve 16 for effective buffering, so that the influence of the rotation of the valve rod 3 on the valve body 1 is reduced, and the tightness of the valve body 1 is greatly stabilized;

it is worth mentioning that the anti-slip silica gel sleeve 18 is fixedly adhered to the fixed handle 17, the anti-slip silica gel sleeve 18 has certain elasticity and is subjected to corrosion resistance treatment, so that the anti-slip silica gel sleeve 18 can increase the friction force between the hand fixed handle 17, the hand is not easy to fall off when the fixed handle 17 is applied with force, and meanwhile, the anti-slip silica gel sleeve 18 has elasticity, so that the extrusion force between the hand and the fixed handle 17 can be reduced, and the pain generated when the hand is applied with force is reduced;

it is worth mentioning that, fixed circular block 19 and valve body 1 be the integrated design and with circular otter board 20 between for the design of trompil formula, circular otter board 20 is equipped with two and forms by rust-resistant metal preparation, like this when valve body 1 drains, circular otter board 20 on the fixed circular block 19 can intercept hardening material such as stone in the aquatic, prevents to cause the damage to valve block 2, plays fine guard action.

The principle of use of the utility model will now be described as follows:

when the utility model is used, firstly, the buffer rod 11 is sleeved on the screw head 10 and rotated when being installed, so that the two butting flanges 12 are tightly attached, the bolt holes on the two butting flanges 12 correspond to each other, and then the buffer rod is installed by using bolts, so that the installation is firm, the disassembly is simple, the buffer rod 11 is convenient to replace and maintain when the buffer rod 11 is damaged, then, when in use, the fixed handle 17 can be held by hand to enable the threaded ring sleeve 16 to rotate and move downwards or upwards, when the threaded ring sleeve 16 rotates to a limit position at the fixed threaded rod 14, the valve rod 3 can be driven to rotate through the buffer rod 11, the elastic rubber pad 15 is extruded at the moment, the threaded ring sleeve 16 is effectively buffered by applying upward or downward force, so that the influence of the rotation of the valve rod 3 on the valve body 1 is reduced, and the tightness of the valve body 1 is greatly stabilized, meanwhile, the anti-slip silica gel sleeve 18 can increase the friction force between the hand fixing handles 17, so that the hands are not easy to fall off when the fixing handles 17 apply force, meanwhile, the anti-slip silica gel sleeve 18 has elasticity, and can reduce the extrusion force between the hands and the fixing handles 17, and reduce the pain generated when the hands apply force, then the movable sealing ring 7 can play a good waterproof effect when the valve rod 3 rotates and drives the valve block 2 to rotate, so that water is prevented from permeating from the connecting gap between the valve rod 3 and the mounting block 6, meanwhile, the waterproof performance of the valve body 1 can be further enhanced by matching the sealing ring 8 with the movable sealing ring 7, the valve is very good in use, finally, when the valve body 1 discharges water, the circular mesh plate 20 on the fixing circular block 19 can intercept hardened substances such as stones in the water, and the like, and prevents the valve block 2 from being damaged, and plays a good protection role.

In the present invention, unless otherwise specifically stated or limited, the terms "sliding", "rotating", "fixed", "provided", and the like are to be understood broadly, and may be, for example, welded, bolted, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a ball valve with valve rod buffering subassembly, includes valve body (1) and valve rod (3), its characterized in that, the inside of valve body (1) is equipped with valve block (2), the top of valve block (2) is connected with valve rod (3), the outside of valve rod (3) is equipped with butt joint piece (4), the outside cover of valve rod (3) has fixed block (5), fixed block (5) and butt joint piece (4) are connected with installation piece (6) jointly, installation piece (6) are equipped with movable sealing washer (7) in the part that valve rod (3) passed its bottom, valve rod (3) are equipped with sealing ring (8) in the inside of installation piece (6), fixed block (5) and butt joint piece (4) the surface is equipped with anti-rust plating (9), the top of valve rod (3) is equipped with nipple (10), nipple (10) are connected in the inside of buffer beam (11), and fixed connection is realized through two the same flange joints (12) in buffer beam (11) and valve rod (3), the top of buffer beam (11) is equipped with two fixed pressure disks (13), be equipped with fixed threaded rod (14) between fixed pressure disk (13), the surface of fixed pressure disk (13) all is equipped with elastic rubber pad (15), be equipped with thread ring cover (16) on fixed threaded rod (14), thread ring cover (16) are connected with fixed handle (17), be equipped with anti-skidding silica gel cover (18) on fixed handle (17), the inside of valve body (1) is equipped with fixed circular block (19), fixed circular block (19) are connected with circular otter board (20).

2. The ball valve with the valve rod buffering assembly according to claim 1, wherein the fixing block (5) and the butt joint block (4) are fixedly connected with the mounting block (6) through bolts, the mounting block (6) is fixedly welded with the valve body (1), the movable sealing ring (7) is tightly contacted with the mounting block (6) and fixedly adhered with the mounting block (6) through waterproof glue, the sealing ring (8) and the valve rod (3) are integrally designed, and the outer diameter of the sealing ring is the same as the inner diameter of the mounting block (6).

3. The ball valve with the valve rod buffering assembly as claimed in claim 1, wherein the rust-proof plating layer (9) is tightly connected with the fixing block (5) and the butt-joint block (4) in a hot-dip manner, and the rust-proof plating layer (9) is made of special modified epoxy resin.

4. A ball valve with a valve stem buffering assembly according to claim 1, characterized in that the threaded head (10) is in threaded connection with a threaded groove inside the buffering rod (11), and the threaded head (10) corresponds to the bolt hole positions on two butting flanges (12) when the buffering rod (11) is rotated to a high force.

5. The ball valve with the valve stem buffering assembly as claimed in claim 1, wherein the elastic rubber gasket (15) is tightly adhered to the fixed pressure plate (13), and the threaded ring sleeve (16) is in threaded connection with the fixed threaded rod (14).

6. The ball valve with the valve rod buffering assembly according to claim 1, wherein the anti-slip silica gel sleeve (18) is fixedly adhered to the fixed handle (17), and the anti-slip silica gel sleeve (18) has certain elasticity and is subjected to corrosion-resistant treatment.

7. A ball valve with a stem damper assembly according to claim 1, characterized in that the fixed circular block (19) is designed integrally with the valve body (1) and is open-cell with a circular mesh plate (20), and the circular mesh plate (20) is provided with two places and is made of rust-proof metal.