CN212616452U

CN212616452U - Top-mounted valve ball

Info

Publication number: CN212616452U
Application number: CN202020959879.3U
Authority: CN
Inventors: 叶礼义; 叶浩; 罗文波; 刘科
Original assignee: Wenzhou Jialili Valve Manufacturing Co ltd
Current assignee: Wenzhou Jialili Valve Manufacturing Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-02-26
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses a top-mounted valve spheroid, top-mounted valve spheroid includes main part mechanism, valve body and guard shield, main part mechanism comprises valve body and guard shield, the fixed guard shield that is equipped with of valve body surface cover, guard shield inner wall fixed surface pastes and has the block rubber, the guard shield inner wall passes through the block rubber and links to each other with the valve body surface, the guard shield is provided with the heat preservation cotton with the junction of valve body, the equal fixed welding in valve body both ends has the flexible pipe of metal, the equal fixed welding in flexible pipe one end of metal has the ring flange. The utility model discloses a flexible pipe of metal can absorb and filter the impact force and the vibration of water, and the valve body passes through the block rubber simultaneously to be connected with the guard shield, can absorb and filter the vibration on transmitting the valve body once more through the block rubber to avoid causing ring flange and pipeline junction to take place not hard up under the effect of vibration, and can adjust the installation direction of hand wheel according to the user demand, use convenience very.

Description

Top-mounted valve ball

Technical Field

The utility model relates to the technical field of valves, specifically a top-mounted valve spheroid.

Background

The valve ball is a main part in the valve; there are different mechanical manufacturing methods according to the pressure class. Such as casting, forging, etc., a "valve" is defined as a device used to control the direction, pressure, and flow of a fluid in a fluid system. The valve is a device which can make the medium (liquid, gas and powder) in the piping and equipment flow or stop and can control the flow of the medium, the material of the valve body is different according to different process media, and the common materials are cast iron, cast steel, stainless steel, carbon steel, plastic, copper and the like.

However, the existing top-mounted valve ball has the following disadvantages in the using process:

the existing top-mounted valve ball cannot absorb and filter the vibration generated by the water hammer effect in a pipeline when the valve is closed in the use process, so that the joint is easy to loosen, the installation direction of a hand wheel cannot be adjusted according to the use requirement, and the use is very inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a top-mounted valve spheroid to solve current top-mounted valve spheroid in the above-mentioned background art and can't absorb and filter the produced vibration of the water hammer effect in the pipeline when closing the valve in the use, thereby cause the junction to take place not hard up easily, and can't adjust the installation direction of hand wheel according to the user demand, use inconvenient problem very.

In order to achieve the above object, the utility model provides a following technical scheme: a top-mounted valve ball body comprises a main body mechanism, a valve body and a protective cover, wherein the main body mechanism consists of the valve body and the protective cover, the protective cover is fixedly sleeved on the surface of the valve body, a rubber block is fixedly adhered on the surface of the inner wall of the protective cover, the inner wall of the protective cover is connected with the surface of the valve body through the rubber block, heat insulation cotton is arranged at the joint of the protective cover and the valve body, metal telescopic pipes are fixedly welded at the two ends of the valve body, a flange plate is fixedly welded at one end of each metal telescopic pipe, the two ends of the valve body can be rapidly connected with a pipeline through the flange plate, the side walls of the flange plates are welded and connected with the two ends of the valve body through the metal telescopic pipes, the metal telescopic pipes have flexibility, so that when the valve is suddenly closed, a water hammer effect is formed in the pipeline, the impact, can absorb and filter the vibration on transmitting the valve body once more through the block rubber, thereby avoid causing ring flange and pipeline junction to take place to become flexible under the effect of vibration, it is better to seal the effect, can protect the valve body through the guard shield simultaneously, it receives external force striking or takes place to corrode to reduce the valve body, thereby will effectively prolong the life of valve body, and wrap up the valve body surface through the heat preservation cotton, will effectively prevent valve body frost crack when using winter, the life of promotion valve body that will step forward.

Preferably, the flange plate side wall is fixedly welded with a limiting rod, the limiting rod is provided with two sets of limiting rods, the surface of the shield side wall is fixedly welded with a limiting ring, one end of the limiting rod is movably inserted into an inner cavity of the limiting ring, one end of the limiting rod is inserted into an inner cavity of the limiting ring, and the flange plate can only stretch left and right under the action of the metal telescopic pipe and cannot swing up and down through the mutual matching of the limiting rod and the limiting ring, so that the influence caused by the water hammer effect is further reduced.

Preferably, the valve body top integrated into one piece has the disk seat, and the disk seat accessible mounting disc is installed the valve gap.

Preferably, there is a valve cover above the valve seat, the valve cover bottom is fixedly welded with a mounting disc, the valve cover bottom is connected with the valve seat through the mounting disc, and the valve cover can be mounted through the mounting disc of the valve seat.

Preferably, the valve gap inner chamber activity is pegged graft and is had the pivot, the fixed cover in pivot surface has connect the worm wheel, and the movable grafting of valve gap inner chamber has the pivot, and the fixed cover in pivot surface has connect the worm wheel, and the pivot bottom links to each other with the valve rod is fixed, and through rotatory hand wheel, hand wheel accessible worm drive worm wheel is rotatory to opening and closing to control the valve, wherein the worm interlock is connected in worm wheel one side, when installing the mounting disc, can change the orientation of hand wheel according to the user demand, thereby more make things convenient for the operator to operate.

Preferably, worm wheel one side interlock is connected with the worm, and worm wheel mutually support, worm one end fixedly connected with hand wheel, hand wheel accessible worm drive worm wheel rotate to open and close to the valve is controlled.

The utility model provides a top-mounted valve spheroid possesses following beneficial effect:

(1) the two ends of the valve body of the utility model can be quickly connected with the pipeline through the flange plate, the side wall of the flange plate is connected with the two ends of the valve body through the metal extension pipe in a welding way, the metal extension pipe has elasticity, so that when the valve is suddenly closed, a water hammer effect is formed in the pipeline, the impact force and the vibration of water can be absorbed and filtered through the metal extension pipe, the valve body is connected with the protective cover through the rubber block, the vibration transmitted to the valve body can be absorbed and filtered again through the rubber block, thereby avoiding the looseness of the connection part of the flange plate and the pipeline under the action of the vibration, the sealing effect is better, the valve body can be protected through the protective cover, the valve body is reduced from being impacted by external force or corroded, thereby effectively prolonging the service life of the valve body, and the surface of the valve body is wrapped by heat preservation cotton, the valve body is effectively prevented, the service life of the valve body is further prolonged.

(2) The utility model discloses valve gap inner chamber activity is pegged graft there is the pivot, and the fixed cover of pivot surface has connect the worm wheel, and the pivot bottom links to each other with the valve rod is fixed, and through rotatory hand wheel, hand wheel accessible worm drive worm wheel rotates to opening and the closure of valve are controlled, and wherein the worm interlock is connected in worm wheel one side, when installing the mounting disc, can change the orientation of hand wheel according to the user demand, thereby more make things convenient for the operator to operate.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is a schematic view of the driving structure of the present invention;

fig. 4 is a schematic diagram of the limiting structure of the present invention.

In the figure: 1. a main body mechanism; 101. a valve body; 2. a shield; 201. a rubber block; 202. heat preservation cotton; 3. a metal telescopic pipe; 301. a flange plate; 302. a limiting rod; 303. a limiting ring; 4. a valve seat; 401. a valve cover; 402. mounting a disc; 403. a rotating shaft; 404. a worm gear; 405. a hand wheel; 406. a worm.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-4, the utility model provides a technical solution: the utility model provides a top-mounted valve spheroid, top-mounted valve spheroid includes main part mechanism 1, valve body 101 and guard shield 2, main part mechanism 1 comprises valve body 101 and guard shield 2, the fixed cover in valve body 101 surface is equipped with

guard shield

2, 2 inner wall fixed surface of guard shield pastes and has the block rubber 201, the guard shield 2 inner wall links to each other with valve body 101 surface through block rubber 201, the junction of guard shield 2 and valve body 101 is provided with heat preservation cotton 202, the both ends of valve body 101 all fixed welding have the flexible pipe of metal 3, the flexible pipe of metal 3 one end all fixed welding have ring flange 301, and the valve body 101 both ends can carry out quick connection with the pipeline through ring flange 301, and ring flange 301 lateral wall all links to each other with the welding of valve body 101 both ends through the flexible pipe of metal 3, and flexible pipe of metal 3 has the elasticity to when closing the valve suddenly, form, can absorb and filter the impact force and the vibration of water through flexible pipe 3 of metal, valve body 101 is connected with guard shield 2 through rubber block 201 simultaneously, can absorb and filter the vibration on transmitting valve body 101 once more through rubber block 201, thereby avoid causing ring flange 301 and pipeline junction to take place not hard up under the effect of vibration, sealed effect is better, simultaneously can protect valve body 101 through guard shield 2, it receives external force striking or takes place to corrode to reduce valve body 101, thereby will effectively prolong valve body 101's life, and wrap up valve body 101 surface through heat preservation cotton 202, valve body 101 quilt frost crack when using effectively to prevent in winter, the life of further promotion valve body 101.

The equal fixed welding of ring flange 301 lateral wall has gag lever post 302, and gag lever post 302 all is provided with two sets ofly, the fixed surface welding of 2 lateral walls of guard shield has spacing ring 303, gag lever post 302 one end is all movable to be pegged graft at spacing ring 303 inner chamber, and gag lever post 302 one end is all pegged graft at spacing ring 303 inner chamber, mutually supports through gag lever post 302 and spacing ring 303, can make ring flange 301 can only control flexible unable luffing motion about under the effect of flexible metal pipe 3 to the influence that the water hammer effect brought will further reduce.

The valve seat 4 is integrally formed at the top of the valve body 101, and the valve seat 4 can mount the valve cover 401 through the mounting disc 402.

A valve cover 401 is movably mounted above the valve seat 4, a mounting disc 402 is fixedly welded at the bottom of the valve cover 401, the bottom of the valve cover 401 is connected with the valve seat 4 through the mounting disc 402, and the valve seat 4 can mount the valve cover 401 through the mounting disc 402.

The valve cap 401 inner chamber activity is pegged graft and is had a pivot 403, pivot 403 surface fixed cup joints worm wheel 404, valve cap 401 inner chamber activity is pegged graft and is had pivot 403, pivot 403 surface fixed cup joints worm wheel 404, pivot 403 bottom and valve rod fixed link to each other, through rotatory hand wheel 405, hand wheel 405 accessible worm 406 drive worm wheel 404 rotates to open and close to controlling the valve, wherein the interlock of worm 406 is connected in worm wheel 404 one side, when installing mounting disc 402, can change the orientation of hand wheel 405 according to the user demand, thereby make things convenient for the operator to operate more.

One side of the worm wheel 404 is connected with a worm 406 in a meshing manner, the worm 406 and the worm wheel 404 are matched with each other, one end of the worm 406 is fixedly connected with a hand wheel 405, and the hand wheel 405 can drive the worm wheel 404 to rotate through the worm 406, so that the opening and the closing of the valve are controlled.

It should be noted that, in operation, two ends of the valve body 101 can be quickly connected to the pipeline through the flange 301, the side wall of the flange 301 is connected to two ends of the valve body 101 through the metal extension tube 3, the metal extension tube 3 has flexibility, so that when the valve is suddenly closed, a water hammer effect is formed in the pipeline, the impact force and vibration of water can be absorbed and filtered through the metal extension tube 3, meanwhile, the valve body 101 is connected to the shield 2 through the rubber block 201, and the vibration transmitted to the valve body 101 can be absorbed and filtered again through the rubber block 201, thereby avoiding the looseness of the connection between the flange 301 and the pipeline under the action of vibration, the sealing effect is better, meanwhile, the valve body 101 can be protected through the shield 2, the impact or corrosion of the valve body 101 is reduced, and the service life of the valve body 101 is effectively prolonged, the surface of the valve body 101 is wrapped by the heat insulation cotton 202, so that the valve body 101 is effectively prevented from being frozen and cracked in winter, and the service life of the valve body 101 is further prolonged; one end of the limiting rod 302 is inserted into the inner cavity of the limiting ring 303, and the limiting rod 302 and the limiting ring 303 are matched with each other, so that the flange plate 301 can only stretch left and right under the action of the metal telescopic pipe 3 and cannot swing up and down, and the influence caused by the water hammer effect is further reduced; the valve seat 4 can mount the valve cover 401 through the mounting disc 402; the inner cavity of the valve cover 401 is movably inserted with a rotating shaft 403, the surface of the rotating shaft 403 is fixedly sleeved with a worm wheel 404, the bottom of the rotating shaft 403 is fixedly connected with the valve rod, the hand wheel 405 can drive the worm wheel 404 to rotate through rotating the hand wheel 405, so that the opening and closing of the valve are controlled, the worm 406 is meshed and connected to one side of the worm wheel 404, when the mounting disc 402 is mounted, the orientation of the hand wheel 405 can be changed according to the use requirement, and the operation of an operator is facilitated.

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. A top-mounted valve ball, its characterized in that: top installation formula valve spheroid includes main part mechanism (1), valve body (101) and guard shield (2), main part mechanism (1) comprises valve body (101) and guard shield (2), valve body (101) fixed surface cover is equipped with guard shield (2), guard shield (2) inner wall fixed surface pastes and has rubber block (201), guard shield (2) inner wall passes through rubber block (201) and links to each other with valve body (101) surface, guard shield (2) are provided with heat preservation cotton (202) with the junction of valve body (101), the equal fixed welding in valve body (101) both ends has flexible pipe of metal (3), the equal fixed welding of flexible pipe of metal (3) one end has ring flange (301).

2. A top-loading valve ball as defined in claim 1, wherein: the side wall of the flange plate (301) is fixedly welded with a limiting rod (302), the limiting rod (302) is provided with two groups, the surface of the side wall of the shield (2) is fixedly welded with a limiting ring (303), and one end of the limiting rod (302) is movably inserted into an inner cavity of the limiting ring (303).

3. A top-loading valve ball as defined in claim 1, wherein: the valve body (101) is integrally formed with a valve seat (4) at the top.

4. A top-loading valve ball as defined in claim 3, wherein: valve gap (401) is movably mounted to valve seat (4) top, fixed welding has mounting disc (402) valve gap (401) bottom, valve gap (401) bottom is passed through mounting disc (402) and is linked to each other with valve seat (4).

5. A top-loading valve ball as defined in claim 4, wherein: the inner cavity of the valve cover (401) is movably inserted with a rotating shaft (403), and the surface of the rotating shaft (403) is fixedly sleeved with a worm wheel (404).

6. A top-loading valve ball as defined in claim 5, wherein: one side of the worm wheel (404) is connected with a worm (406) in a meshed mode, the worm (406) is matched with the worm wheel (404), and one end of the worm (406) is fixedly connected with a hand wheel (405).