CN214305449U

CN214305449U - Wear-resisting ball valve with insulation cover

Info

Publication number: CN214305449U
Application number: CN202120002291.3U
Authority: CN
Inventors: 潘秀腾; 章庆湖
Original assignee: Zhejiang Zhejiang East Valve Ltd By Share Ltd
Current assignee: Zhejiang Zhejiang East Valve Ltd By Share Ltd
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-09-28
Anticipated expiration: 2031-01-04

Abstract

The utility model discloses a wear-resisting ball valve with a heat-insulating sleeve, which belongs to the technical field of ball valves and comprises a valve body, a valve rod is installed and connected in the valve body, an upper valve seat is installed at the top of the inner side of the valve body, a lower valve seat is installed at the bottom of the inner side of the valve body, a supporting shaft part is embedded in the lower valve seat, a valve ball is arranged between the upper valve seat and the lower valve seat, an upper connecting groove connected with the bottom end of the valve rod is arranged at the top of the valve ball, a lower connecting groove connected with the supporting shaft part is arranged at the bottom of the valve ball, and a through flow passage hole is arranged in the valve ball; when fluid reverse flow, make the activity keep off the core under the effect of fluid and spring and reset, the water conservancy diversion hole is closed this moment, restriction fluid refluence to reach and prevent the refluence function, reduce impact and the wearing and tearing of fluid to the inside flow passage hole of valve ball, improve the life and the whole leakproofness of valve ball, avoid the valve body to freeze and produce the crackle, the heat insulating ability is good.

Description

Wear-resisting ball valve with insulation cover

Technical Field

The utility model belongs to the technical field of the ball valve, concretely relates to wear-resisting ball valve with insulation cover.

Background

The ball valve is a valve whose opening and closing piece is driven by valve rod and can make rotary motion around the axis of ball valve, and can be used for regulating and controlling fluid, in which between its V-shaped core of hard-sealed V-shaped ball valve and metal valve seat of bead-welded hard alloy a strong shearing force is existed, so that it is specially applicable to the medium containing fibre and small solid granules, etc., and on the pipeline the multi-way ball valve not only can flexibly control the confluence, diversion and flow direction switching of medium, but also can close any channel to make other two channels connected, and said invented valve can be generally horizontally mounted in the pipeline.

At present, fluid when the ball valve, after equipment takes place unusually, leads to the fluid to take place the refluence phenomenon easily to cause secondary damage to equipment operation, and current ball valve is difficult to carry out the stagnant flow to the fluid, does not possess the function of preventing flowing backwards, and electronic ball valve still can be through response refluence phenomenon such as sensor and self-closing, and manual valve need artificially close, consequently lacks a ball valve that prevents flowing backwards who is used for manual closing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wear-resisting ball valve with insulation cover to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the wear-resistant ball valve with the heat-insulating sleeve comprises a valve body, a valve rod is installed and connected in the valve body, an upper valve seat is installed at the top of the inner side of the valve body, a lower valve seat is installed at the bottom of the inner side of the valve body, a supporting shaft part is embedded in the lower valve seat, a valve ball is arranged between the upper valve seat and the lower valve seat, an upper connecting groove connected with the bottom end of the valve rod is formed in the top of the valve ball, a lower connecting groove connected with the supporting shaft part is formed in the bottom of the valve ball, a through flow channel hole is formed in the valve ball, a movable blocking core is connected in the flow channel hole in a sliding mode, four mounting hole grooves are formed in one side wall of the movable blocking core, the inner side walls of the four mounting hole grooves are fixedly connected with one ends of four springs, the other ends of the four springs are fixedly connected with the inner side wall of the flow channel hole, eight flow guide holes are formed in the movable blocking core, and a sealing ring is embedded in the outer side wall of the flow channel hole, which is close to the movable blocking core, and a filtering component is arranged on the inner side wall of the valve body close to the inlet.

In a preferred embodiment, the inner side wall of the flow passage hole close to the opening is a flow guide arc surface.

As a preferred embodiment, a side wall of the movable blocking core is fixedly connected with a flow guiding block, and the flow guiding block is of an arc structure.

As a preferred embodiment, four limiting slide blocks are fixedly connected to the outer side wall of the movable blocking core, and the four limiting slide blocks are respectively and movably connected to four limiting slide grooves formed in the inner side wall of the flow passage hole.

As a preferred embodiment, the filter assembly comprises a filter screen, a guide plate and a plurality of screws, an annular groove is formed in the inner side wall, close to the inlet, of the valve body, the filter screen is installed on one side wall of the annular groove through the screws, the guide plate is installed on the inner side wall, close to the inlet, of the valve body through the screws, and the guide plate is located at the position, close to the outer side, of the filter screen.

As a preferred embodiment, the outer side wall of the valve body is wrapped with a heat preservation sleeve, two sides of the heat preservation sleeve are connected with two steel hoops, and the four steel hoops are fixedly connected with each other through bolts.

Compared with the prior art, the utility model provides a wear-resisting ball valve with insulation cover includes following beneficial effect at least:

(1) by arranging the movable blocking core, the spring and other components in the valve ball, when fluid moves in the forward direction, the fluid impacts the movable blocking core and enables the movable blocking core to move backwards, at the moment, the spring is in a compressed state, the flow guide hole in the movable blocking core is exposed, and the fluid flows through the flow guide hole;

(2) through the arrangement of the flow guide arc surface in the valve ball, the impact and abrasion of fluid on a flow passage hole in the valve ball are reduced, and the service life and the integral sealing property of the valve ball are improved;

(3) through the arrangement of the filtering component, after the filtering net is installed, the fluid passes through the filtering net, so that impurities in the fluid are filtered, and meanwhile, through the action of the guide plate, the fluid is not easy to impact screws on the filtering net, so that the filtering net is ensured to be installed stably and is not easy to loosen and fall;

(4) through the setting of insulation cover, hoop and bolt spare, the insulation cover can realize the thermal-insulated heat preservation effect to the valve body, avoids the valve body to freeze and produces the crackle, and the heat insulating ability is good.

Drawings

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

FIG. 2 is a schematic sectional view of the valve ball of the present invention;

FIG. 3 is a schematic structural view of the valve ball of the present invention after the components are disassembled;

FIG. 4 is a schematic structural view of the movable blocking core of the present invention from the rear view;

FIG. 5 is a schematic structural view of the steel hoop of the present invention;

fig. 6 is an enlarged schematic structural diagram of a position a of the present invention.

In the figure: 1. a valve body; 2. a valve stem; 3. an upper valve seat; 4. a lower valve seat; 5. supporting the shaft member; 6. a valve ball; 601. a flow guide arc surface; 7. an upper connecting groove; 8. a lower connecting groove; 9. a movable blocking core; 10. a flow guide block; 11. mounting a hole groove; 12. a spring; 13. a flow guide hole; 14. a limiting slide block; 15. a limiting chute; 16. a seal ring; 17. a filter assembly; 171. a filter screen; 172. an annular groove; 173. a baffle; 18. a thermal insulation sleeve; 19. a steel hoop; 20. a bolt member.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-6, the utility model provides a wear-resistant ball valve with thermal insulation sleeve, including a valve body 1, a valve rod 2 is installed and connected in the valve body 1, an upper valve seat 3 is installed at the top of the inner side of the valve body 1, a lower valve seat 4 is installed at the bottom of the inner side of the valve body 1, a supporting shaft 5 is embedded in the lower valve seat 4, a valve ball 6 is arranged between the upper valve seat 3 and the lower valve seat 4, an upper connecting groove 7 connected with the bottom end of the valve rod 2 is arranged at the top of the valve ball 6, a lower connecting groove 8 connected with the supporting shaft 5 is arranged at the bottom of the valve ball 6, and the inner side wall of a flow passage hole close to the opening is a flow guide arc surface 601 (see fig. 1 and 2); thereby reducing the impact and abrasion of fluid on the flow passage hole inside the valve ball 6 and improving the service life and the whole sealing performance of the valve ball 6.

A through flow channel hole is formed in the valve ball 6, a movable blocking core 9 is connected in the flow channel hole in a sliding manner, a flow guide block 10 is fixedly connected to one side wall of the movable blocking core 9, and the flow guide block 10 is of an arc-shaped structure (see fig. 1, 2 and 3); through the arrangement of the flow guide block 10, the impact of the fluid on the movable baffle core 9 is reduced.

The outer side wall of the movable blocking core 9 is fixedly connected with four limiting slide blocks 14, and the four limiting slide blocks 14 are respectively and movably connected in four limiting slide grooves 15 (see fig. 1, fig. 2, fig. 3 and fig. 4) formed in the inner side wall of the flow passage hole; through the arrangement of the limiting slide block 14 and the limiting slide groove 15, the movable blocking core 9 is more stable and effective when moving.

One side wall of the movable blocking core 9 is provided with four mounting hole grooves 11, the inner side walls of the four mounting hole grooves 11 are fixedly connected with one ends of four springs 12, the other ends of the four springs 12 are fixedly connected with the inner side wall of the flow passage hole, the movable blocking core 9 is provided with eight flow guide holes 13, the outer side wall of the flow passage hole close to the movable blocking core 9 is embedded with a sealing ring 16, the inner side wall of the valve body 1 close to the inlet is provided with a filtering component 17, the filtering component 17 consists of a filtering net 171, a flow guide plate 173 and a plurality of screws, the inner side wall of the valve body 1 close to the inlet is provided with an annular groove 172, the filtering net 171 is arranged on one side wall of the annular groove 172 through screws, the flow guide plate 173 is arranged on the inner side wall of the valve body 1 close to the inlet through screws, and the flow guide plate 173 is positioned at a position where the filtering net 171 is deviated to the outer side (see fig. 1, 2 and 6); with filter screen 171 installation back, behind fluid passing through filter screen 171 to impurity in the fluid filters, simultaneously through guide plate 173's effect, makes the difficult screw that strikes on filter screen 171 of fluid, ensures that filter screen 171 installs firmly, difficult not hard up dropping.

The outer side wall of the valve body 1 is coated with a heat insulation sleeve 18, two sides of the heat insulation sleeve 18 are connected with two steel hoops 19, and every two of the four steel hoops 19 are fixedly connected through bolts 20 (see fig. 1, 5 and 6); the heat insulation sleeve 18 can realize the heat insulation effect on the valve body 1, avoid the valve body 1 from being frozen to generate cracks and has good heat insulation property.

When the valve ball 6 is used, when fluid moves in the forward direction, the fluid impacts the movable blocking core 9 and moves the movable blocking core 9 backward, the spring 12 is in a compressed state, the flow guide hole 13 on the movable blocking core 9 is exposed, and the fluid flows through the flow guide hole 13, otherwise, when the fluid flows in the reverse direction, the movable blocking core 9 is reset under the action of the fluid and the spring 12, the flow guide hole 13 is closed, the fluid backflow is limited, and the backflow prevention function is achieved, through the arrangement of the flow guide arc surface 601 in the valve ball 6, the impact and abrasion of the fluid on the flow passage hole in the valve ball 6 are reduced, the service life and the overall sealing performance of the valve ball 6 are improved, through the arrangement of the filter assembly 17, after the filter screen 171 is installed, the fluid passes through the filter screen 171, so that impurities in the fluid are filtered, and simultaneously through the action of the flow guide plate 173, the fluid is not easy to impact on the screw on the filter screen 171, ensure that the filter screen 171 installation is firm, difficult not hard up drops, through the setting of insulation cover 18, steel hoop 19 and bolt spare 20, insulation cover 18 can realize the thermal-insulated heat preservation effect to valve body 1, avoids valve body 1 to receive the frostbite and produces the crackle, and the heat insulating ability is good.

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. Wear-resisting ball valve with insulation cover, including valve body (1), its characterized in that: the valve is characterized in that a valve rod (2) is installed and connected in the valve body (1), an upper valve seat (3) is installed at the top of the inner side of the valve body (1), a lower valve seat (4) is installed at the bottom of the inner side of the valve body (1), a supporting shaft part (5) is embedded in the lower valve seat (4), a valve ball (6) is arranged between the upper valve seat (3) and the lower valve seat (4), an upper connecting groove (7) connected with the bottom end of the valve rod (2) is formed in the top of the valve ball (6), a lower connecting groove (8) connected with the supporting shaft part (5) is formed in the bottom of the valve ball (6), a through flow channel hole is formed in the valve ball (6), a movable blocking core (9) is connected in the flow channel hole in a sliding mode, four mounting hole grooves (11) are formed in one side wall of the movable blocking core (9), and the inner side walls of the four mounting hole grooves (11) are fixedly connected with one ends of four springs (12), and the other end of four springs (12) all with the inside wall rigid coupling in runner hole, eight water conservancy diversion holes (13) have been seted up on the activity fender core (9), the runner hole inlays on being close to the activity and keeps off the lateral wall of core (9) and is equipped with sealing washer (16), valve body (1) is close to the inside wall department of import and installs filtering component (17).

2. The wear-resistant ball valve with the insulating sleeve of claim 1, wherein: the inner side wall of the runner hole close to the opening is a flow guide arc surface (601).

3. The wear-resistant ball valve with the insulating sleeve of claim 1, wherein: a side wall of the movable blocking core (9) is fixedly connected with a flow guide block (10), and the flow guide block (10) is of an arc-shaped structure.

4. The wear-resistant ball valve with the insulating sleeve of claim 1, wherein: the outer side wall of the movable blocking core (9) is fixedly connected with four limiting slide blocks (14), and the four limiting slide blocks (14) are respectively and movably connected into four limiting slide grooves (15) formed in the inner side wall of the flow channel hole.

5. The wear-resistant ball valve with the insulating sleeve of claim 1, wherein: filter component (17) comprises filter screen (171), guide plate (173) and a plurality of screw, has seted up ring channel (172) on valve body (1) is close to the inside wall in import, and filter screen (171) are installed on a lateral wall of ring channel (172) through the screw, and guide plate (173) are installed on valve body (1) is close to the inside wall in import through the screw, and guide plate (173) are in the position in filter screen (171) deviation to the outside.

6. The wear-resistant ball valve with the insulating sleeve of claim 1, wherein: the outer side wall of the valve body (1) is wrapped with a heat insulation sleeve (18), two sides of the heat insulation sleeve (18) are connected with two steel hoops (19), and the four steel hoops (19) are fixedly connected with each other through bolts (20).