CN219655380U

CN219655380U - Ball valve seat convenient to detach

Info

Publication number: CN219655380U
Application number: CN202320453712.3U
Authority: CN
Inventors: 代少华; 曹玉连
Original assignee: Qingdao Changheng Marine Valve Co ltd
Current assignee: Qingdao Changheng Marine Valve Co ltd
Priority date: 2023-03-11
Filing date: 2023-03-11
Publication date: 2023-09-08
Anticipated expiration: 2033-03-11

Abstract

The utility model discloses a ball valve seat convenient to detach, which comprises a ball valve main body, wherein the bottom end of the ball valve main body is fixedly arranged in the middle of the top end of a fixed frame, a first valve seat and a second valve seat are respectively arranged at the left side and the right side of the ball valve main body, a positioning mechanism is arranged at the left side of the fixed frame, and a second connecting block is welded at the upper ends of one sides of the first valve seat and the second valve seat, which are close to the ball valve main body. When needing to maintain the ball valve main part, first connecting block and second connecting block are unlocked earlier, and the pulling plate is pulled for fastening spring shrink, internal gear and external gear break away from the connection, and the hand wheel rotates again, makes the threaded rod rotate, and then first disk seat and second disk seat keep away from each other, the sealing washer follow the inside of seal groove break away from can, thereby be convenient for maintain the ball valve body, and secondly be provided with the cooperation of first ring flange and second ring flange and use, very big improvement with the convenience of pipeline butt joint equipment.

Description

Ball valve seat convenient to detach

Technical Field

The utility model relates to the technical field of valves, in particular to a ball valve seat convenient to detach.

Background

The opening and closing part (ball) of the ball valve is a valve driven by a valve rod and rotating around the axis of the ball valve, the ball valve is mainly used for cutting off, distributing and changing the flow direction of a medium in a pipeline, the ball valve can be tightly closed only by rotating by 90 degrees and small rotating moment, and the ball valve is suitable for being used as a switch and a cut-off valve; the ball valve is widely applied to industries such as petroleum refining, long-distance pipeline, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel and the like, and plays a role in national economy.

Because the ball valve is used as the throttle valve, the use frequency of opening and closing is higher, the failure rate is also high, most ball valves are of an integrated integral structure at present, and when the ball valve fails, the ball valve is very inconvenient to maintain on site, so that the ball valve convenient to maintain is designed to solve the problems.

Disclosure of Invention

In order to solve the technical problem, the ball valve seat convenient to detach is provided, and the problem that the maintenance is very inconvenient in site implementation when the ball valve breaks down due to the fact that most of ball valves at present are of an integrated integral structure in the background art is solved.

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

the utility model provides a ball valve disk seat convenient to detach, includes the ball valve main part, the bottom fixed mounting of ball valve main part is in the top middle part of fixed frame, the left and right sides of ball valve main part is provided with first disk seat and second disk seat respectively, positioning mechanism is installed in the left side of fixed frame, first disk seat and second disk seat are close to one side upper end welding of ball valve main part has the second connecting block, just the equal fixedly connected with first connecting block in upper end both sides of ball valve main part, threaded hole has all been seted up on first connecting block and the second connecting block, the seal groove has all been seted up to the both sides of ball valve main part, the equal fixed mounting in one side that first disk seat and second disk seat are close to each other has the sealing washer with seal groove looks adaptation, the inside upper end rotation of fixed frame is connected with the threaded rod, the inside bottom fixedly connected with dead lever of fixed frame, one end extends to the outside of fixed frame, and fixed mounting has the hand wheel, the inside intermediate position department welding of fixed block, set up the through-hole that supplies threaded rod and dead lever to pass on the fixed block, the both ends set up screw thread piece and second movable part, first movable part and second movable part and first movable part have opposite thread to the first movable part and second movable part, the first movable part and the second movable part, movable part and the first movable part and the second movable part.

Preferably, the positioning mechanism comprises a frame body, the frame body is fixedly arranged on the left side of a fixed frame through bolts, a through groove for a threaded rod to pass through is formed in the middle of one side, close to the fixed frame, of the frame body in a penetrating mode, the inner wall of the frame body is fixedly connected with a movable plate through a fastening spring, strip-shaped grooves are formed in the front side and the rear side of the inner portion of the frame body in a penetrating mode, sliding grooves are formed in the upper side and the lower side of the inner portion of the frame body in a penetrating mode, pull plates are fixedly connected to the front side and the rear side of the movable plate in a penetrating mode, one side, away from the movable plate, of the pull plates penetrates through the strip-shaped grooves, and the pull plates extend to the outer portion of the frame body.

Preferably, the upper and lower sides of the movable plate are fixedly provided with sliding blocks matched with the sliding grooves, and the sliding blocks are in sliding connection with the inner parts of the sliding grooves.

Preferably, an external gear is fixedly arranged at the left end of the annular surface of the threaded rod, and an internal gear meshed with the external gear is fixedly connected inside the movable plate.

Preferably, one side of the first valve seat away from the ball valve main body is communicated with the water inlet pipe through a first flange plate.

Preferably, one side of the second valve seat away from the ball valve main body is communicated with the water outlet pipe through a second flange plate.

Preferably, a valve rod is arranged at the upper end of the ball valve body.

Compared with the prior art, the utility model provides the ball valve seat convenient to detach, which has the following beneficial effects:

when the ball valve main body is required to be maintained, the first connecting block and the second connecting block are unlocked, the pulling plate is pulled to enable the fastening spring to shrink, the inner gear is disconnected with the outer gear, then the hand wheel is rotated, the threaded rod is rotated, the first valve seat and the second valve seat are further away from each other, and the sealing ring is separated from the inside of the sealing groove, so that the ball valve main body is convenient to maintain, and the convenience of butt joint and assembly with a pipeline is greatly improved due to the fact that the first flange and the second flange are matched.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view showing the internal structure of the fixing frame according to the present utility model;

fig. 3 is a schematic structural view of a positioning mechanism in the present utility model.

The reference numerals in the figures are:

1. a ball valve body; 101. a first connection block; 102. a valve stem; 103. a first valve seat; 104. a second valve seat; 105. a first flange; 106. a water inlet pipe; 107. a second flange; 108. a water outlet pipe; 109. a second connection block; 110. sealing grooves; 111. a seal ring; 2. a fixed frame; 201. a threaded rod; 202. a fixed rod; 203. a fixed block; 204. a first movable member; 205. a second movable member; 206. a hand wheel; 207. an external gear; 3. a positioning mechanism; 301. a frame; 302. a fastening spring; 303. a movable plate; 304. an internal gear; 305. a chute; 306. a slide block; 307. a bar-shaped groove; 308. pulling a plate; 309. and (5) through grooves.

Detailed Description

The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.

Referring to fig. 1 and 2, a ball valve seat convenient to detach includes a ball valve body 1, the bottom fixed mounting of ball valve body 1 is in the top middle part of fixed frame 2, the left and right sides of ball valve body 1 is provided with first disk seat 103 and second disk seat 104 respectively, positioning mechanism 3 is installed in the left side of fixed frame 2, first disk seat 103 and second disk seat 104 are close to one side upper end welding of ball valve body 1 has second connecting block 109, and the equal fixedly connected with first connecting block 101 of upper end both sides of ball valve body 1, threaded hole has all been seted up on first connecting block 101 and the second connecting block 109, seal groove 110 has all been seted up to the both sides of ball valve body 1, the equal fixed mounting of one side that first disk seat 103 and second disk seat 104 are close to each other has the sealing washer 111 with seal groove 110 looks adaptation.

The inside upper end rotation of fixed frame 2 is connected with threaded rod 201, the inside bottom fixedly connected with dead lever 202 of fixed frame 2, the one end of threaded rod 201 extends to the outside of fixed frame 2, and fixed mounting has hand wheel 206, the inside intermediate position department welding of fixed frame 2 has fixed block 203, set up the through-hole that supplies threaded rod 201 and dead lever 202 to pass on the fixed block 203, the screw thread that the both ends of threaded rod 201 were seted up revolves to opposite directions, and threaded rod 201's both ends respectively threaded connection have first movable part 204 and second movable part 205, first movable part 204 and the equal sliding connection of second movable part 205 are in the surface of dead lever 202, the top of first movable part 204 and second movable part 205 respectively with first disk seat 103 and second disk seat 104 fixed connection.

Referring to fig. 3, the positioning mechanism 3 includes a frame 301, the frame 301 is fixedly mounted on the left side of the fixed frame 2 by bolts, a through slot 309 through which a threaded rod 201 passes is provided in the middle of one side of the frame 301 near the fixed frame 2, the inner wall of the frame 301 is fixedly connected with a movable plate 303 by a fastening spring 302, two sides of the interior of the frame 301 are provided with a slot 307, two sides of the interior of the frame 301 are provided with a sliding slot 305, two sides of the movable plate 303 are fixedly connected with a pulling plate 308, one side of the pulling plate 308 away from the movable plate 303 is provided with a slot 307 and extends to the exterior of the frame 301, an external gear 207 is fixedly mounted at the left end of the annular surface of the threaded rod 201, and an internal gear 304 meshed with the external gear 207 is fixedly connected with the interior of the movable plate 303.

When the first valve seat 103 and the second valve seat 104 are required to be installed, the fastening spring 302 is contracted by pulling the pulling plate 308, the movable plate 303 moves towards the inner side of the frame 301, at the moment, the inner gear 304 is disconnected from the outer gear 207, the hand wheel 206 is rotated, the threaded rod 201 is rotated, the first movable piece 204 and the second movable piece 205 are close to each other, the first valve seat 103 and the second valve seat 104 are close to each other and move towards the ball valve body 1, the sealing ring 111 enters the inside of the sealing groove 110, good sealing performance is guaranteed, the first connecting block 101 and the second connecting block 109 are connected together by bolts and nuts, further tightness of connection between the first valve seat 103 and the second valve seat 104 and the ball valve body 1 is guaranteed, after installation is completed, the pulling plate 308 is loosened, under the action of restoring deformation of the fastening spring 302, the inner gear 304 is meshed with the outer gear 207, and the threaded rod 201 is positioned.

The upper and lower both sides of fly leaf 303 all fixed mounting have the slider 306 with spout 305 looks adaptation, and slider 306 sliding connection is in the inside of spout 305 to through the cooperation use of spout 305 and slider 306, thereby improved the stability of fly leaf 303 motion.

Further in this embodiment, please refer to fig. 1, one side of the first valve seat 103 far away from the ball valve body 1 is communicated with the water inlet pipe 106 through the first flange 105, one side of the second valve seat 104 far away from the ball valve body 1 is communicated with the water outlet pipe 108 through the second flange 107, the valve rod 102 is installed at the upper end of the ball valve body 1, the water inlet pipe 106, the ball valve body 1 and the water outlet pipe 108 form a water flow channel, and the water inlet pipe 106 and the water outlet pipe 108 are convenient to install and detach through the first flange 105 and the second flange 107, so that convenience of butt joint assembly with a pipeline is greatly improved.

The working principle and the using flow of the device are as follows: when the ball valve main body 1 needs to be maintained, the nut is twisted to unlock the first connecting block 101 and the second connecting block 109, then the pulling plate 308 is pulled to enable the fastening spring 302 to shrink, the movable plate 303 moves towards the inner side of the frame 301, at the moment, the inner gear 304 is disconnected with the outer gear 207, then the hand wheel 206 is rotated to enable the threaded rod 201 to rotate, the first valve seat 103 and the second valve seat 104 are further away from each other, and the sealing ring 111 is separated from the sealing groove 110, so that the requirements of staff are met.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a ball valve seat convenient to dismantle, its characterized in that, including ball valve main part (1), the bottom fixed mounting of ball valve main part (1) is in the top middle part of fixed frame (2), the left and right sides of ball valve main part (1) is provided with first disk seat (103) and second disk seat (104) respectively, positioning mechanism (3) are installed in the left side of fixed frame (2), one side upper end that first disk seat (103) and second disk seat (104) are close to ball valve main part (1) welds there is second connecting block (109), just the upper end both sides of ball valve main part (1) all fixedly connected with first connecting block (101), threaded hole has all been seted up on first connecting block (101) and second connecting block (109), seal groove (110) have all been seted up to the both sides of ball valve main part (1), one side that first disk seat (103) and second disk seat (104) are close to each other all fixed mounting have sealing washer (111) with seal groove (110) looks adaptation;

the device comprises a fixed frame (2), wherein a threaded rod (201) is rotationally connected to the upper end of the inside of the fixed frame (2), a fixed rod (202) is fixedly connected to the bottom end of the inside of the fixed frame (2), one end of the threaded rod (201) extends to the outside of the fixed frame (2), a hand wheel (206) is fixedly installed, a fixed block (203) is welded at the middle position of the inside of the fixed frame (2), a through hole for the threaded rod (201) and the fixed rod (202) to penetrate through is formed in the fixed block (203), threads formed in the two ends of the threaded rod (201) are opposite in rotation direction, a first movable piece (204) and a second movable piece (205) are respectively connected to the two ends of the threaded rod (201) in a threaded mode, the first movable piece (204) and the second movable piece (205) are connected to the surface of the fixed rod (202) in a sliding mode, and the top ends of the first movable piece (204) and the second movable piece (205) are fixedly connected with a first valve seat (103) and a second valve seat (104) respectively.

2. The easily removable ball valve seat of claim 1 wherein: the positioning mechanism (3) comprises a frame body (301), the frame body (301) is fixedly arranged on the left side of a fixed frame (2) through bolts, a through groove (309) for a threaded rod (201) to pass through is formed in the middle of one side of the frame body (301) close to the fixed frame (2), the inner wall of the frame body (301) is fixedly connected with a movable plate (303) through a fastening spring (302), strip-shaped grooves (307) are formed in the front side and the rear side of the inner portion of the frame body (301) in a penetrating mode, sliding grooves (305) are formed in the upper side and the lower side of the inner portion of the frame body (301), pull plates (308) are fixedly connected to the front side and the rear side of the movable plate (303), and one side, far away from the movable plate (303), of the pull plates (308) penetrates through the strip-shaped grooves (307) and extends to the outer portion of the frame body (301).

3. A ball valve seat for easy disassembly as defined in claim 2, wherein: the upper side and the lower side of the movable plate (303) are fixedly provided with sliding blocks (306) matched with the sliding grooves (305), and the sliding blocks (306) are connected inside the sliding grooves (305) in a sliding mode.

4. A ball valve seat for easy disassembly as defined in claim 2, wherein: an external gear (207) is fixedly arranged at the left end of the annular surface of the threaded rod (201), and an internal gear (304) meshed with the external gear (207) is fixedly connected to the inside of the movable plate (303).

5. The easily removable ball valve seat of claim 1 wherein: one side of the first valve seat (103) far away from the ball valve body (1) is communicated with a water inlet pipe (106) through a first flange plate (105).

6. The easily removable ball valve seat of claim 1 wherein: one side of the second valve seat (104) far away from the ball valve main body (1) is communicated with a water outlet pipe (108) through a second flange plate (107).

7. The easily removable ball valve seat of claim 1 wherein: the upper end of the ball valve main body (1) is provided with a valve rod (102).