CN211925005U

CN211925005U - Bidirectional rubber sealing valve seat of fixed ball valve

Info

Publication number: CN211925005U
Application number: CN201922360855.6U
Authority: CN
Inventors: 王玉柱; 王宝欣
Original assignee: Tianjin Hongrui Rubber Co ltd
Current assignee: Tianjin Hongrui Rubber Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-11-13
Anticipated expiration: 2029-12-25

Abstract

The utility model relates to the technical field of valves, and a two-way rubber seal disk seat of fixed ball valve is disclosed, including the valve pipe, install the ball valve body on the valve pipe, install the valve rod on the ball valve body, fixedly connected with handle on the valve rod, be equipped with the interlayer in the valve pipe, the interlayer comprises slope section, horizontal segment and vertical section, seted up the limbers on the horizontal segment of interlayer, be located seted up the movable groove in the valve pipe wall directly over the limbers, sliding connection has upper end open-ended screw sleeve in the movable groove, the movable groove tank bottom is rotated through sealed bearing and is connected with the threaded rod. The utility model discloses make the two-way rubber seal disk seat of fixed ball valve can independently block water when taking out the ball valve body, need not additionally set up the water stop valve, the cost is reduced has increased the application range of the two-way rubber seal disk seat of fixed ball valve.

Description

Bidirectional rubber sealing valve seat of fixed ball valve

Technical Field

The utility model relates to the technical field of valves, especially, relate to a two-way rubber seal disk seat of fixed ball valve.

Background

The fixed ball valve is mainly applied to various fields such as petroleum, chemical industry, steel, metallurgy and electric power, and has the advantages of small medium resistance, convenient operation and the like compared with other valves for controlling medium circulation of pipelines. The existing bidirectional rubber sealing valve seat for the fixed ball valve can separate the ball valve body from the valve pipe in a detaching way, so that the bidirectional rubber in the ball valve body can be conveniently replaced and impurities on the ball body can be conveniently cleaned. However, when the existing fixed ball valve bidirectional rubber sealing valve seat is taken out of a ball valve body, the water inlet of a valve pipe needs to be blocked, an extra valve needs to be installed on the pipe of the water inlet pipe, the cost is high, the fixed ball valve bidirectional rubber sealing valve seat can not block water independently when the ball valve body is taken out of the ball valve body, the fixed ball valve bidirectional rubber sealing valve seat needs to be matched with a water blocking valve for use, and the application range of the fixed ball valve bidirectional rubber sealing valve seat is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art fixed ball valve two-way rubber seal disk seat and can not be when taking out the ball valve body, independently block water, influence the problem of fixed ball valve two-way rubber seal disk seat application range, and the fixed ball valve two-way rubber seal disk seat that provides.

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

a two-way rubber sealing valve seat of a fixed ball valve comprises a valve pipe, wherein a ball valve body is installed on the valve pipe, a valve rod is installed on the ball valve body, a handle is fixedly connected onto the valve rod, an interlayer is arranged in the valve pipe and consists of an inclined section, a horizontal section and a vertical section, a water through hole is formed in the horizontal section of the interlayer, a movable groove is formed in the inner wall of the valve pipe right above the water through hole, a threaded sleeve with an upper end opening is connected in the movable groove in a sliding mode, the bottom of the movable groove is rotatably connected with a threaded rod through a sealing bearing, two ends of the threaded rod penetrate through the sealing bearing and extend out of or in the valve pipe, the threaded rod wall arranged in the movable groove is in threaded connection with the threaded sleeve, one end, close to the water through hole, of the threaded sleeve penetrates through the opening of the movable groove and, the movable groove is characterized in that sliding grooves are symmetrically formed in opposite groove walls of the movable grooves, sliding blocks are connected in the sliding grooves in a sliding mode, one opposite ends of the sliding blocks penetrate through corresponding sliding groove notches and extend into the movable grooves, and the sliding blocks are fixedly connected to the outer annular side wall of the threaded sleeve together.

Preferably, the mounting groove has been seted up on being located the valve pipe inner tube wall under the ball valve body, mounting groove tank bottom fixedly connected with sealing ring, the bottom fixedly connected with location lid of ball valve body, location lid and sealing ring sliding connection, the mounting hole has been seted up on the valve pipe, set up the seal groove that communicates with the mounting hole on the outer annular lateral wall of valve pipe, sliding connection has rather than assorted sealed lid in the seal groove, sealed cover fixed cup joints on the ball valve body, be equipped with sealed gluey ring between sealed lid bottom and the seal groove tank bottom, symmetrical fixedly connected with fixed plate is covered in the seal, the fixed plate passes through bolt and valve union coupling.

Preferably, one end, far away from the limbers, of the threaded rod is fixedly connected with a turntable, and the annular side wall of the turntable is provided with anti-slip lines.

Preferably, the threaded rod and the threaded sleeve are both made of stainless steel material.

Preferably, the outer pipe walls of the pipe orifices at the two ends of the valve pipe are fixedly sleeved with flanges.

Preferably, a sealing gasket is arranged between the sealing ring and the groove wall of the mounting groove.

Compared with the prior art, the utility model provides a two-way rubber seal disk seat of fixed ball valve possesses following beneficial effect:

the bidirectional rubber sealing valve seat of the fixed ball valve comprises a valve pipe, a ball valve body, a valve rod, an interlayer, a water through hole, a movable groove, a threaded sleeve, a threaded rod, a piston, a sliding groove and a sliding block, wherein when the ball valve body needs to be disassembled and taken out, the threaded rod is rotated positively, the sliding block slides downwards in the sliding groove to drive the threaded sleeve to move, the length of the threaded sleeve extending out of the movable groove is increased, when the sliding block abuts against the groove wall of the sliding groove, the piston is just inserted into the water through hole, the interlayer and the piston block water, the piston and the water through hole are matched for use, the sealing performance is better, the water passes through the inclined section of the interlayer, the impact force of the water can be buffered, the water falls behind the water through hole on the horizontal section of the interlayer, a suction force can be generated, the resistance of the piston moving downwards to be inserted into the water through hole is smaller, the fixed ball valve bidirectional rubber sealing valve seat can independently block water when the ball valve body is taken out, a water blocking valve does not need to be additionally arranged, the cost is reduced, and the application range of the fixed ball valve bidirectional rubber sealing valve seat is enlarged.

The device does not relate to the part and all is the same with prior art or can adopt prior art to realize, the utility model discloses make the two-way rubber seal disk seat of fixed ball valve can block water when taking out the ball valve body independently, need not additionally set up the water stop valve, the cost is reduced has increased the application range of the two-way rubber seal disk seat of fixed ball valve.

Drawings

Fig. 1 is a schematic structural view of a bidirectional rubber sealing valve seat of a fixed ball valve according to the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: the ball valve comprises a valve pipe 1, a ball valve body 2, a valve rod 3, an interlayer 4, a water through hole 5, a movable groove 6, a threaded sleeve 7, a threaded rod 8, a piston 9, a sliding groove 10, a sliding block 11, an installation groove 12, a sealing ring 13, a positioning cover 14, an installation hole 15, a sealing groove 16, a sealing cover 17, a fixing plate 18, a rotating disc 19 and a sealing washer 20.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only 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 therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a two-way rubber sealing valve seat of a fixed ball valve comprises a valve tube 1, a ball valve body 2 is arranged on the valve tube 1, a valve rod 3 is arranged on the ball valve body 2, a handle is fixedly connected to the valve rod 3, an interlayer 4 is arranged in the valve tube 1, the interlayer 4 is composed of an inclined section, a horizontal section and a vertical section, a water through hole 5 is arranged on the horizontal section of the interlayer 4, a movable groove 6 is arranged on the inner wall of the valve tube 1 right above the water through hole 5, a threaded sleeve 7 with an upper opening is slidably connected in the movable groove 6, a threaded rod 8 is rotatably connected to the bottom of the movable groove 6 through the sealing bearing, two ends of the threaded rod 8 penetrate through the sealing bearing and extend towards the outside or inside of the valve tube 1, the rod wall with the threads arranged in the movable groove 6 is in threaded connection with the threaded sleeve 7, one, and the fixed connection has the piston 9 matching with the limber hole 5, the opposing slot wall of the movable slot 6 has the sliding slot 10 symmetrically, the sliding slot 10 has the slide block 11, the opposing end of the two slide blocks 11 passes through the corresponding slot 10 and extends into the movable slot 6, and the two slide blocks are jointly and fixedly connected on the outer annular side wall of the threaded sleeve 7, when the ball valve body 2 needs to be disassembled and taken out, the threaded rod 8 is rotated positively, the slide block 11 slides downwards in the sliding slot 10 to drive the threaded sleeve 7 to move, and the length of the threaded sleeve extending out of the movable slot 6 is increased, when the slide block 11 is abutted against the slot wall of the sliding slot 10, the piston 9 is just inserted into the limber hole 5, the interlayer 4 and the piston 9 block water, the piston 9 and the limber hole 5 are used in cooperation, so that the sealing performance is better, the water passes through the inclined section of the interlayer 4, the impact of water can be buffered, the water lags behind under the limb, can produce a suction for the resistance that piston 9 downstream inserted limbers 5 is less, and easily threaded rod 8's rotation, reversal threaded rod 8 can be opened limbers 5, makes the two-way rubber seal disk seat of fixed ball valve can block water independently when taking out ball valve body 2, need not additionally set up the stagnant water valve, and the cost is reduced has increased the application range of the two-way rubber seal disk seat of fixed ball valve.

Be located 1 interior pipe wall of valve pipe under ball valve body 2 and seted up

mounting groove

12, 12 tank bottom fixedly connected with sealing ring 13 of mounting groove, ball valve body 2's bottom fixedly connected with location lid 14, location lid 14 and sealing ring 13 sliding connection, mounting hole 15 has been seted up on the valve pipe 1, set up the seal groove 16 that is linked together with mounting hole 15 on the outer annular lateral wall of valve pipe 1, sliding connection has rather than assorted sealed lid 17 in the seal groove 16, sealed lid 17 is fixed to cup joint on ball valve body 2, be equipped with sealed gluey ring between sealed lid 17 bottom and the 16 tank bottoms of seal groove, symmetrical fixedly connected with fixed plate 18 on the sealed lid 17, fixed plate 18 passes through bolt and valve pipe 1 and connects, through dismantling the bolt, can dismantle ball valve body 2 and take out, and make the leakproofness that ball valve body 2 and valve pipe 1.

One end of the threaded rod 8 far away from the water through hole 5 is fixedly connected with a rotary table 19, and anti-slip grains are arranged on the annular side wall of the rotary table 19, so that the threaded rod 8 is easy to rotate.

Threaded rod 8 and threaded sleeve 7 are made by stainless steel material, avoid threaded rod 8 and threaded sleeve 7 to rust, increase its life.

The outer pipe walls of the pipe orifices at the two ends of the valve pipe 1 are fixedly sleeved with flanges, so that the valve pipe 1 is conveniently communicated with a water inlet pipe or a water outlet pipe.

A sealing gasket 20 is arranged between the sealing ring 13 and the groove wall of the mounting groove 12, so that the sealing performance of the connection between the sealing ring 13 and the positioning cover 14 is improved.

In the utility model, when the ball valve body 2 needs to be disassembled and taken out, the threaded rod 8 is rotated positively, the slider 11 slides downwards in the chute 10 to drive the threaded sleeve 7 to move, and the length of the threaded sleeve extending out of the movable groove 6 is increased, when the slider 11 is abutted against the chute wall of the chute 10, the piston 9 is just inserted into the water through hole 5, the interlayer 4 and the piston 9 block water, the piston 9 and the water through hole 5 are used in a matching way, the sealing performance is better, water passes through the inclined section of the interlayer 4 and can buffer the impulsive force of water, water falls behind the water through hole 5 on the horizontal section of the interlayer 4, a suction force is generated, the resistance of the piston 9 moving downwards to be inserted into the water through hole 5 is smaller, the threaded rod 8 is easy to rotate, the threaded rod 8 is reversed, the water through hole 5 can be opened, so that the bidirectional rubber sealing valve seat of the fixed ball valve can independently block water when the ball valve body, and a water stop valve does not need to be additionally arranged, so that the application range of the bidirectional rubber sealing valve seat of the fixed ball valve is enlarged.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A two-way rubber sealing valve seat of a fixed ball valve comprises a valve pipe (1), wherein a ball valve body (2) is arranged on the valve pipe (1), a valve rod (3) is arranged on the ball valve body (2), and a handle is fixedly connected to the valve rod (3), the two-way rubber sealing valve seat is characterized in that an interlayer (4) is arranged in the valve pipe (1), the interlayer (4) consists of an inclined section, a horizontal section and a vertical section, a water through hole (5) is formed in the horizontal section of the interlayer (4), a movable groove (6) is formed in the inner wall of the valve pipe (1) right above the water through hole (5), a threaded sleeve (7) with an upper end opening is connected in the movable groove (6) in a sliding manner, a threaded rod (8) is rotatably connected to the bottom of the movable groove (6) through a sealing bearing, two ends of the threaded rod (8) penetrate through the sealing bearing and extend outwards or, lie in establish screwed pole wall and threaded sleeve (7) threaded connection in activity groove (6), threaded sleeve (7) are close to the one end of limbers (5) and pass activity groove (6) notch and downwardly extending, and fixedly connected with and limbers (5) assorted piston (9), spout (10) have been seted up to the symmetry on the cell wall that activity groove (6) is in opposite directions, sliding connection has slider (11) in spout (10), two slider (11) one end in opposite directions passes corresponding spout (10) notch and extends to activity groove (6), and common fixed connection is on the outer annular side wall of threaded sleeve (7).

2. The bidirectional rubber sealing valve seat of a fixed ball valve according to claim 1, wherein an installation groove (12) is formed on the inner wall of the valve tube (1) located right below the ball valve body (2), a sealing ring (13) is fixedly connected to the bottom of the installation groove (12), a positioning cover (14) is fixedly connected to the bottom of the ball valve body (2), the positioning cover (14) is slidably connected to the sealing ring (13), an installation hole (15) is formed on the valve tube (1), a sealing groove (16) communicated with the installation hole (15) is formed on the outer annular side wall of the valve tube (1), a sealing cover (17) matched with the sealing cover is slidably connected to the sealing groove (16), the sealing cover (17) is fixedly sleeved on the ball valve body (2), and a sealing rubber ring is arranged between the bottom of the sealing cover (17) and the bottom of the sealing groove (16), the sealing cover (17) is symmetrically and fixedly connected with fixing plates (18), and the fixing plates (18) are connected with the valve pipe (1) through bolts.

3. The bidirectional rubber sealing valve seat of a fixed ball valve according to claim 1, characterized in that a rotary disc (19) is fixedly connected to one end of the threaded rod (8) far away from the water through hole (5), and the annular side wall of the rotary disc (19) is provided with anti-skid threads.

4. A two-way rubber sealing seat for a fixed ball valve according to claim 1, characterized in that said threaded rod (8) and said threaded sleeve (7) are made of stainless steel material.

5. The bidirectional rubber sealing valve seat of a fixed ball valve according to claim 1, wherein flanges are fixedly sleeved on the outer pipe walls of the pipe orifices at the two ends of the valve pipe (1).

6. A two-way rubber sealing valve seat of a fixed ball valve according to claim 2, characterized in that a sealing gasket (20) is arranged between the sealing ring (13) and the groove wall of the mounting groove (12).