CN212745133U

CN212745133U - Top-mounted ball valve

Info

Publication number: CN212745133U
Application number: CN202021421922.7U
Authority: CN
Inventors: 张晶晶; 刘慧�
Original assignee: Sichuan Lantian Cryogenic Technology Develop Co ltd
Current assignee: Sichuan Lantian Cryogenic Technology Develop Co ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-03-19
Anticipated expiration: 2030-07-20

Abstract

The utility model discloses a top-mounted ball valve, which comprises a valve body, the interior diapire fixedly connected with arc piece of valve body, the inside of valve body is equipped with the spheroid, the sealed piece of inner wall fixedly connected with of valve body, spheroidal surface contacts with the bottom surface of sealed piece and the upper surface of arc piece respectively, the through-hole has been seted up to spheroidal left surface, the fixed bottom surface of sealed piece is inlayed and is had first sealed bearing, the fixed orifices has been seted up to the upper surface of valve body, the last fixed surface of valve body is connected with the casing, spheroidal last fixed surface is connected with the valve rod, the top of valve rod runs through first sealed bearing and fixed orifices in proper order and extends to the inside of casing. This top dress ball valve can filter and block the particulate impurity in the fluid, has possessed the filterable function of fluid, avoids particulate impurity to circulate to valve body assembly department and causes the problem of wearing and tearing, can make the better use of top dress ball valve to improve the sealed effect of top dress ball valve.

Description

Top-mounted ball valve

Technical Field

The utility model belongs to the technical field of the ball valve, especially, relate to a top mounted ball valve.

Background

The ball valve is that the opening and closing piece is driven by the valve rod, and the valve of rotary motion is made around the ball valve axis, also can be used to fluidic regulation and control, the ball valve divide into pneumatic ball valve, electronic ball valve and manual ball valve according to the drive mode, in china, the ball valve is by wide application in petroleum refining, long-distance pipeline, the chemical industry, papermaking, the pharmacy, water conservancy, electric power, trades such as municipal administration and steel, wherein the ball valve is including the top-mounted ball valve again, but current top-mounted ball valve still has not enough when using, the top-mounted ball valve does not possess the filterable function of fluid, the fluid is at the easy particle impurity that dopes of in-process of circulation, particle impurity will cause wearing and tearing or even damage to the valve body, and the sealing performance of top-mounted ball valve is relatively poor, consequently for solving.

SUMMERY OF THE UTILITY MODEL

The utility model provides a, aim at solving above-mentioned existence top-mounted ball valve and do not possess the filterable function of convection cell, the fluid is at the easy doping particle impurity of in-process of circulation, and particle impurity will cause wearing and tearing to the valve body and damage even to the relatively poor problem of top-mounted ball valve sealing performance.

The utility model is realized in such a way, a top-mounted ball valve comprises a valve body, wherein the inner bottom wall of the valve body is fixedly connected with an arc-shaped block, a ball body is arranged inside the valve body, the inner wall of the valve body is fixedly connected with a sealing block, the outer surface of the ball body is respectively contacted with the bottom surface of the sealing block and the upper surface of the arc-shaped block, the left side surface of the ball body is provided with a through hole, the bottom surface of the sealing block is fixedly embedded with a first sealing bearing, the upper surface of the valve body is provided with a fixing hole, the upper surface of the valve body is fixedly connected with a shell, the upper surface of the ball body is fixedly connected with a valve rod, the top end of the valve rod sequentially penetrates through the first sealing bearing and the fixing hole and extends to the inside of the shell, the outer surface of the valve rod is fixedly connected with the inner ring of, the top of threaded rod runs through the screw hole and extends to the top of screw hole, the surface and the inner wall threaded connection of screw hole of threaded rod.

The inside of valve body is equipped with the filter frame, the surface of filter frame and the inner wall fixed connection of valve body, symmetrical spacing groove, every have been seted up to the inner wall of filter frame the equal sliding connection in inner wall of spacing groove has the stopper, two the common fixedly connected with fine grain filter screen of a side that the stopper is close to each other, the discharge orifice has been seted up to the right flank of filter frame, the equal fixedly connected with ring flange of the left and right sides face of valve body.

Preferably, each flange plate is internally provided with a sealing gasket in an annular shape.

Preferably, the outer surface of the threaded rod is fixedly connected with a rotary table, and anti-skid grains are formed in the outer surface of the rotary table.

Preferably, the inner ring of the housing is fixedly connected with a second sealing bearing, and the inner ring of the second sealing bearing is fixedly connected with the outer surface of the valve rod.

Preferably, the inner ring of the shell is fixedly connected with a sealing ring, and the inner ring of the sealing ring is in contact with the outer surface of the valve rod.

Preferably, the inner side wall of the filter frame is fixedly connected with symmetrical guide blocks, and one side surface, far away from each other, of each of the two guide blocks is fixedly connected with the inner top wall of the filter frame and the inner bottom wall of the filter frame respectively.

Preferably, a plurality of connecting holes are formed in one side face, away from each other, of each flange plate, and each connecting hole is provided with a thread on the inner wall.

Compared with the prior art, the beneficial effects of the utility model are that: through the inside spacing groove that is equipped with of filter frame, and with the cooperation between the stopper of fine particle filter screen department, can be convenient for install and dismantle the fine particle filter screen, thereby utilize the fine particle filter screen, can filter and block the granule impurity in the fluid, the filterable function of fluid has been possessed, avoid granule impurity to circulate to valve body subassembly department and cause the problem of wearing and tearing, can make the better use of top mounted ball valve, through the first sealed bearing who is equipped with, and with the cooperation between the sealing washer, play the effect to top mounted ball valve dual seal, improve the sealed effect of top mounted ball valve, the second sealed bearing who is equipped with through the casing inside, can make more stability of valve rod when rotating, also can seal once more the fluid simultaneously, thereby this top mounted ball valve can be better use.

Drawings

Fig. 1 is a sectional view of the front view of the valve body of the present invention;

fig. 2 is a sectional view of the front view of the housing of the present invention;

fig. 3 is a cross-sectional view of the front view of the filter frame of the present invention.

In the figure: 1. a valve body; 2. an arc-shaped block; 3. a sphere; 4. a through hole; 5. a sealing block; 6. a first sealed bearing; 7. a valve stem; 8. a fixing hole; 9. a housing; 10. a seal ring; 11. a threaded hole; 12. a threaded rod; 13. a filter frame; 14. a limiting groove; 15. a limiting block; 16. a fine particle screen; 17. a water flowing hole; 18. a flange plate; 19. a gasket; 20. a turntable; 21. a second sealed bearing; 22. a flow guide block; 23. and connecting the holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in 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 invention and are not intended to limit the invention.

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 those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, a top-mounted ball valve comprises a valve body 1, an arc block 2 is fixedly connected to an inner bottom wall of the valve body 1, a ball body 3 is arranged inside the valve body 1, a sealing block 5 is fixedly connected to an inner wall of the valve body 1, an outer surface of the ball body 3 is respectively contacted with a bottom surface of the sealing block 5 and an upper surface of the arc block 2, a through hole 4 is formed in a left side surface of the ball body 3, a first sealing bearing 6 is fixedly embedded in the bottom surface of the sealing block 5, a fixing hole 8 is formed in the upper surface of the valve body 1, a housing 9 is fixedly connected to the upper surface of the valve body 1, a valve rod 7 is fixedly connected to the upper surface of the ball body 3, a top end of the valve rod 7 sequentially penetrates through the first sealing bearing 6 and the fixing hole 8 and extends into the housing 9, the outer surface of the valve rod 7 is fixedly connected with an inner ring of the first, the top end of the threaded rod 12 penetrates through the threaded hole 11 and extends to the upper part of the threaded hole 11, and the outer surface of the threaded rod 12 is in threaded connection with the inner wall of the threaded hole 11.

The valve comprises a valve body 1, a filter frame 13 is arranged inside the valve body 1, the outer surface of the filter frame 13 is fixedly connected with the inner wall of the valve body 1, symmetrical limiting grooves 14 are formed in the inner wall of the filter frame 13, limiting blocks 15 are slidably connected to the inner wall of each limiting groove 14, a fine particle filter screen 16 is fixedly connected to one side face, close to each other, of each limiting block 15, a water flowing hole 17 is formed in the right side face of the filter frame 13, and flange plates 18 are fixedly connected to the left side face and the right side face of the valve.

The utility model discloses in, every ring flange 18's inside all is equipped with sealed 19, and sealed 19 that fills up is the annular form, play the sealed effect to ring flange 18 junction, prevent that the phenomenon of infiltration from appearing in the fluid, the fixed surface of threaded rod 12 is connected with carousel 20, anti-skidding line has been seted up to carousel 20's surface, be convenient for rotate threaded rod 12, avoid the inconvenient phenomenon of appearance in the rotation process, the inner circle fixedly connected with second seal bearing 21 of casing 9, the inner circle of second seal bearing 21 and the fixed surface of valve rod 7 are connected, can make valve rod 7 more stable when rotating, improve valve rod 7's stability.

Inner circle fixedly connected with sealing washer 10 of casing 9, the inner circle of sealing washer 10 contacts with the surface of valve rod 7, deepen the sealed of 8 departments of fixed orifices, can seal better the fluidic, filter frame 13's the symmetrical water conservancy diversion piece 22 of inside wall fixedly connected with, two water conservancy diversion piece 22 a side of keeping away from each other respectively with filter frame 13's interior roof and filter frame 13's interior bottom wall fixed connection, can carry out the water conservancy diversion at the circulation in-process to the fluidic circulation, improve fluidic circulation speed, a plurality of connecting holes 23 have all been seted up to a side that two ring flanges 18 kept away from each other, the screw thread has all been seted up to the inner wall of every connecting hole 23, be convenient for connect between the ring flange 18, improve the connection speed between top mounted ball valve.

The utility model discloses a theory of operation is: at first through ring flange 18 with the top-mounted ball valve install on pipeline, when the flow of pipeline is controlled to needs, can rotate threaded rod 12 and valve rod 7 through carousel 20, because be connected between valve rod 7 and the spheroid 3, then also make spheroid 3 rotate in arc piece 2 and sealed piece 5 department, after spheroid 3 rotates, left fluid will through-hole 4 circulate to the right side of spheroid 3, thereby be convenient for control the flow of fluid, and fluid is at the in-process of circulation, utilize the inside fine particle filter screen 16 of filter frame 13, can filter the granule impurity in the fluid and block, will make the better circulation of fluid, then through first sealed bearing 6 and sealing washer 10, can effectively seal at the circulation in-process to the fluid.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a top-mounted ball valve, includes valve body (1), its characterized in that: the inner bottom wall of the valve body (1) is fixedly connected with the arc-shaped block (2), the inside of the valve body (1) is provided with the ball body (3), the inner wall of the valve body (1) is fixedly connected with the sealing block (5), the outer surface of the ball body (3) is respectively contacted with the bottom surface of the sealing block (5) and the upper surface of the arc-shaped block (2), the left side surface of the ball body (3) is provided with the through hole (4), the bottom surface of the sealing block (5) is fixedly embedded with the first sealing bearing (6), the upper surface of the valve body (1) is provided with the fixing hole (8), the upper surface of the valve body (1) is fixedly connected with the shell (9), the upper surface of the ball body (3) is fixedly connected with the valve rod (7), the top end of the valve rod (7) sequentially penetrates through the first sealing bearing (6) and the fixing hole (8) and extends to the inside of the shell (9), and the outer surface of the valve rod (, a threaded rod (12) is fixedly connected to the top end of the valve rod (7), a threaded hole (11) is formed in the upper surface of the shell (9), the top end of the threaded rod (12) penetrates through the threaded hole (11) and extends above the threaded hole (11), and the outer surface of the threaded rod (12) is in threaded connection with the inner wall of the threaded hole (11);

the inside of valve body (1) is equipped with filter frame (13), the surface of filter frame (13) and the inner wall fixed connection of valve body (1), symmetrical spacing groove (14), every are seted up to the inner wall of filter frame (13) the equal sliding connection of inner wall of spacing groove (14) has stopper (15), two the common fixedly connected with fine particle filter screen (16) in a side that stopper (15) are close to each other, discharge orifice (17) have been seted up to the right flank of filter frame (13), the equal fixedly connected with ring flange (18) of the left and right sides face of valve body (1).

2. A top-loading ball valve as defined in claim 1, wherein: each inside of ring flange (18) all is equipped with sealed pad (19), and sealed pad (19) are the annular.

3. A top-loading ball valve as defined in claim 1, wherein: the outer fixed surface of threaded rod (12) is connected with carousel (20), anti-skidding line has been seted up to the surface of carousel (20).

4. A top-loading ball valve as defined in claim 1, wherein: the inner ring of the shell (9) is fixedly connected with a second sealing bearing (21), and the inner ring of the second sealing bearing (21) is fixedly connected with the outer surface of the valve rod (7).

5. A top-loading ball valve as defined in claim 1, wherein: the inner ring of the shell (9) is fixedly connected with a sealing ring (10), and the inner ring of the sealing ring (10) is in contact with the outer surface of the valve rod (7).

6. A top-loading ball valve as defined in claim 1, wherein: the filter frame is characterized in that the inner side wall of the filter frame (13) is fixedly connected with symmetrical guide blocks (22), and one side face, far away from each other, of each guide block (22) is fixedly connected with the inner top wall of the filter frame (13) and the inner bottom wall of the filter frame (13) respectively.

7. A top-loading ball valve as defined in claim 1, wherein: a plurality of connecting holes (23) are formed in one side face, away from each other, of each flange plate (18), and threads are formed in the inner wall of each connecting hole (23).