CN211009963U

CN211009963U - Leak-proof ball valve

Info

Publication number: CN211009963U
Application number: CN201921425536.2U
Authority: CN
Inventors: 闫爱峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-07-14
Anticipated expiration: 2029-08-30

Abstract

The utility model relates to a ball valve technical field just discloses a leak protection ball valve, which comprises a valve body, the top fixed mounting of valve body has the flange, equal fixed mounting all around at flange top has fixing bolt, the inboard movable mounting of flange has first sealing ring, the top fixed mounting of flange has the disk seat, the inside fixed movable mounting of disk seat has one end to run through and extend to the outside connecting piece of disk seat, the top movable mounting of connecting piece has the valve rod. This leak protection ball valve through setting up first sealing ring and sealed sticky tape, reaches the leak-proof purpose of valve body surface, through setting up second sealing ring, third sealing ring, first sealed piece and the sealed piece of second, reaches the leak-proof effect of valve body inner chamber and case junction, and whole leak protection is sealed effectual, has avoided long-time the use, and it is downward to appear the infiltration, has saved the water resource, and has improved the rate of utilization of this valve ball, and easy to use is applicable to various circumstances.

Description

Leak-proof ball valve

Technical Field

The utility model relates to a ball valve technical field specifically is a leak protection ball valve.

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 and metal valve seat of bead weld 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 of multi-way ball valve not only can flexibly control the combination, distribution and flow direction switching of medium, but also can close any channel to make other two channels connected.

The ball valve divide into pneumatic ball valve, electronic ball valve and manual ball valve according to the drive mode, and the present ball valve on the market has the poor shortcoming of leak protection effect at present, and when using, the infiltration takes place easily in long-time use for the ball valve, perhaps can't accomplish long-time current-limiting, causes the waste of water resource, and has reduced the rate of utilization of this ball valve, and the use of being not convenient for so propose above-mentioned leak protection ball valve in order to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a leak protection ball valve possesses advantages such as leak protection, has solved when using, and the infiltration takes place easily in long-time use for the ball valve, perhaps can't accomplish long-time current-limiting, causes the waste of water resource, and has reduced the rate of utilization of this ball valve, the problem of not being convenient for to use.

(II) technical scheme

In order to realize the purpose of the leakage prevention, the utility model provides a following technical scheme: a leakage-proof ball valve comprises a valve body, wherein a flange is fixedly arranged at the top of the valve body, fixing bolts are fixedly arranged on the periphery of the top of the flange, a first sealing ring is movably arranged on the inner side of the flange, a valve seat is fixedly arranged at the top of the flange, a connecting piece with one end penetrating through and extending to the outside of the valve seat is fixedly and movably arranged in the valve seat, a valve rod is movably arranged at the top of the connecting piece, the bottom of the outer surface of the connecting piece is movably connected with a first fastening nut, connecting rods are fixedly arranged on the left side and the right side of the bottom of the first fastening nut, a first sealing block is fixedly arranged at the bottom of each connecting rod, the bottom of each connecting piece penetrates through and extends to the inside of a valve core, the valve core is positioned in the valve body and is movably connected with the valve body, a second sealing ring, the bottom of the inner cavity of the valve core is fixedly provided with a third sealing ring, one end of the third sealing ring penetrates through and extends to the outside of the valve core, the bottom of the outer surface of the valve core is fixedly provided with a second sealing block, the bottom of the second sealing block is movably connected with the bottom of the inner cavity of the valve body, the bottom of the valve core penetrates through and extends to the bottom wall of the valve body and is fixedly connected with a bearing seat, the bottom of the bearing seat is fixedly connected with the bottom of the inner cavity of the valve body, the left end and the right end of the inner cavity of the valve body are respectively in threaded connection with a connecting pipeline, one end of the connecting pipeline penetrates through and extends to the outside of the valve.

Preferably, the first sealing block and the second sealing block are both triangular sealing rings, and a circulation hole is formed in the valve core.

Preferably, a second fastening nut is fixedly mounted at the top of the outer surface of the connecting piece and above the valve rod, and the valve core is spherical.

Preferably, the top of the outer surface of the valve core is provided with an annular groove matched with the second sealing ring, one side of the annular groove close to the center of the valve core is fixedly provided with a ball, and one side of the ball far away from the center of the valve core is movably connected with one side of the second sealing ring close to the center of the valve core.

Preferably, the bottom of the outer surface of the connecting piece is fixedly provided with a fixed thread, and the top of the valve core is provided with a fixed thread groove matched with the fixed thread on the outer surface of the connecting piece.

Preferably, the outer surface of the connecting pipe and the inner fixed mounting of the valve body are provided with mounting threads, the left end and the right end of the inner cavity of the valve body are provided with mounting thread grooves matched with the mounting threads on the outer surface of the connecting pipe, and the mounting thread grooves are movably mounted on the outer surface of the connecting pipe at the connecting part with the mounting threads.

(III) advantageous effects

Compared with the prior art, the utility model provides a leak protection ball valve possesses following beneficial effect:

1. the leak-proof ball valve ensures the sealing performance of the joint of the valve seat and the valve body by arranging the first sealing ring, ensures the sealing performance of the joint of the valve core and the inner cavity of the valve body by arranging the second sealing ring and the third sealing ring and simultaneously rotates the first fastening nut forwards and backwards to drive the first sealing block to move downwards when the first fastening nut moves downwards so that the left side and the right side of the first sealing block are attached to the valve body, one side of the first sealing block, which is close to the valve core, is attached to the valve core, the second sealing of the joint of the valve core and the inner cavity of the valve body is ensured by the first sealing block and the second sealing block, the sealing effect is good, sealing adhesive tapes are arranged at the joint of a connecting pipeline and the valve body, the sealing performance of the left side and the right side of the valve body is ensured, the device achieves the aim of preventing leakage of the outer surface of the valve body by arranging, Third sealing ring, first sealed piece and the sealed piece of second reach the leak-proof effect of valve body inner chamber and case junction, and whole leak protection is sealed effectual, has avoided long-time the use, and it is downward to appear seeping water, has saved the water resource, and has improved the rate of utilization of this valve ball, and easy to use is applicable to various conditions.

2. This leak protection ball valve, through setting up flange and fixing bolt, made things convenient for installer to install the valve body with the disk seat on, the bottom fixed mounting of connecting piece surface has fixed screw, the fixed thread groove with connecting piece surface fixed screw looks adaptation is seted up at the top of case, be convenient for install and be connected connecting piece and case, twist first fastening nut simultaneously, and make case and connecting piece stable fixed, when the connecting piece is lifted off to needs, only need lift the jam stopper off, and pass through the circulation hole simultaneously with the instrument stretches into card downthehole portion, limit the position of case, then twist the connecting piece can, need not to lift the connecting tube off, the device overall structure is simple, be convenient for installer installation and dismantlement this ball valve, and the work efficiency is saved, and manpower and material resources have been reduced, and convenient to use.

Drawings

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

FIG. 2 is an external view of the present invention;

fig. 3 is a top view of the flange and valve seat connection of the present invention.

In the figure: the valve comprises a valve body 1, a flange 2, a fixing bolt 3, a first sealing ring 4, a valve seat 5, a connecting piece 6, a valve rod 7, a first fastening nut 8, a connecting rod 9, a first sealing block 10, a second sealing ring 11, a valve core 12, a second sealing block 13, a bearing seat 14, a third sealing ring 15, a connecting pipeline 16, a clamping hole 17 and a blocking plug 18.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a leak-proof ball valve comprises a valve body 1, a flange 2 is fixedly installed on the top of the valve body 1, the flange 2 is composed of a top flange and a bottom flange, the top flange and the bottom flange are movably connected through a fixing bolt 3, the top of the top flange is fixedly connected with the bottom of a valve seat 5, the top and the bottom of the bottom flange are fixedly connected with the top of the valve body 1, fixing bolts 3 are fixedly installed around the top of the flange 2, a first sealing ring 4 is movably installed on the inner side of the flange 2, the valve seat 5 is fixedly installed on the top of the flange 2, a connecting piece 6 with one end penetrating through and extending to the outside of the valve seat 5 is fixedly and movably installed inside the valve seat 5, a valve rod 7 is movably installed on the top of the connecting piece 6, a second fastening nut is fixedly installed on the top of the outer surface of the, the bottom of the outer surface of the connecting piece 6 is movably connected with a first fastening nut 8, the left side and the right side of the bottom of the first fastening nut 8 are both fixedly provided with a connecting rod 9, the bottom of the connecting rod 9 is fixedly provided with a first sealing block 10, the bottom of the connecting piece 6 penetrates through and extends to the inside of the valve core 12 and is movably connected with a valve core 12, the bottom of the outer surface of the connecting piece 6 is fixedly provided with a fixed thread, the top of the valve core 12 is provided with a fixed thread groove matched with the fixed thread on the outer surface of the connecting piece 6, so that an installer can conveniently twist the connecting piece 6 into the valve core 12, the top of the outer surface of the valve core 12 is provided with an annular groove matched with a second sealing ring 11, one side of the annular groove close to the center of the valve core 12 is fixedly provided with a ball, one side of the ball far, the friction force at the joint of the valve core 12 and the second sealing ring 11 is reduced when the valve core 12 rotates, the valve core 12 is spherical, the valve core 12 is positioned inside the valve body 1 and movably connected with the valve body 1, the second sealing ring 11 with one end penetrating and extending to the inside of the valve core 12 is fixedly arranged at the top of the inner cavity of the valve body 1, the third sealing ring 15 with one end penetrating and extending to the outside of the valve core 12 is fixedly arranged at the bottom of the inner cavity of the valve core 12, the second sealing block 13 is fixedly arranged at the bottom of the outer surface of the valve core 12, the first sealing block 10 and the second sealing block 13 are both triangular sealing rings, a circulation hole is formed in the valve core 12, the fluidity of fluid in the valve body 1 is ensured after the valve core 12 is rotated, the bottom of the second sealing block 13 is movably connected with the bottom of the inner cavity of the valve body 1, the bottom of the valve core 12 penetrates and extends to, the left end and the right end of the inner cavity of the valve body 1 are both in threaded connection with a connecting pipeline 16, one end of the connecting pipeline 16 penetrates through and extends to the outside of the valve body 1, mounting threads are fixedly arranged on the outer surface of the connecting pipeline 16 and are positioned in the valve body 1, mounting thread grooves matched with the mounting threads on the outer surface of the connecting pipeline 16 are formed in the left end and the right end of the inner cavity of the valve body 1, a sealing adhesive tape is movably arranged at the joint of the mounting thread grooves and the mounting threads and is positioned on the outer surface of the connecting pipeline 16, the connecting pipeline 16 and the valve body 1 are conveniently installed in a butt joint mode by an installer, the sealing performance after installation is guaranteed, a clamping hole 17 is formed in the front surface of the valve body 1, a blocking plug 18 is movably arranged on the inner side of the clamping hole 17 and is positioned in the front surface of the valve body 1, and the, tetrafluoroethylene is mainly used in the plastic and resin industry, is also an intermediate of hexaflumuron in pesticides, can also be used as a raw material for manufacturing novel thermoplastics, engineering plastics, oil-resistant low-temperature-resistant rubber, novel fire extinguishing agents and fog inhibitors, simultaneously has good wear resistance, ensures the sealing property of the joint of a valve seat 5 and a valve body 1 by arranging a first sealing ring 4, ensures the sealing property of the joint of a valve core 12 and an inner cavity of the valve body 1 by arranging a second sealing ring 11 and a third sealing ring 15, simultaneously drives a first fastening nut 8 by positive and negative rotation, drives a first sealing block 10 to move downwards when the first fastening nut 8 moves downwards, ensures that the left side and the right side of the first sealing block 10 are attached to the valve body 1, one side of the first sealing block 10 close to the valve core 12 is attached to the valve core 12, and ensures the secondary sealing of the joint of the valve core 12 and the inner cavity of the valve body 1 by the first sealing block 10 and a second sealing block 13, the sealing effect is good, meanwhile, the sealing adhesive tape is arranged at the joint of the connecting pipeline 16 and the valve body 1, the sealing performance of the left side and the right side of the valve body 1 is ensured, the device achieves the aim of preventing the outer surface of the valve body 1 from being leaked by arranging the first sealing ring 4 and the sealing adhesive tape, the effect of preventing the joint of the inner cavity of the valve body 1 and the valve core 12 from being leaked is achieved by arranging the second sealing ring 11, the third sealing ring 15, the first sealing block 10 and the second sealing block 13, the whole leakage-proof sealing effect is good, long-time use is avoided, downward water seepage is avoided, water resources are saved, the utilization rate of the valve ball is improved, the valve ball is easy to use and is suitable for various conditions, installation personnel can conveniently install the valve seat 5 on the valve body 1 by arranging the flange 2 and the fixing bolt 3, the fixing thread is fixedly arranged at the bottom of the outer surface of the connecting piece, be convenient for install and be connected connecting piece 6 and case 12, twist first fastening nut 8 simultaneously, and make case 12 and connecting piece 6 stable fixed, when connecting piece 6 is lifted off to needs, only need lift off and block up stopper 18, and pass through the opening simultaneously with the instrument stretches into 17 inside card holes, the position of case 12 is restricted, then twist connecting piece 6 can, need not to lift connecting tube 16 off, the device overall structure is simple, be convenient for installer installation and dismantlement this ball valve, and the work efficiency is saved, and manpower and material resources have been reduced, and convenient to use.

In conclusion, the leak-proof ball valve ensures the sealing performance of the joint of the valve seat 5 and the valve body 1 by arranging the first sealing ring 4, ensures the sealing performance of the joint of the valve core 12 and the inner cavity of the valve body 1 by arranging the second sealing ring 11 and the third sealing ring 15, simultaneously drives the first sealing block 10 to move downwards by rotating the first fastening nut 8 forwards and backwards, so that the left side and the right side of the first sealing block 10 are attached to the valve body 1, one side of the first sealing block 10 close to the valve core 12 is attached to the valve core 12, the first sealing block 10 and the second sealing block 13 ensure the secondary sealing of the joint of the valve core 12 and the inner cavity of the valve body 1, the sealing effect is good, meanwhile, the sealing adhesive tapes are arranged at the joint of the connecting pipeline 16 and the valve body 1, and ensure the sealing performance of the left side and the right side of the valve body 1, and the first sealing ring 4 and the sealing adhesive tapes are arranged, the purpose of leakage prevention of the outer surface of the valve body 1 is achieved, the leakage prevention effect of the joint of the inner cavity of the valve body 1 and the valve core 12 is achieved by arranging the second sealing ring 11, the third sealing ring 15, the first sealing block 10 and the second sealing block 13, the whole leakage prevention sealing effect is good, long-time use is avoided, downward water seepage is avoided, water resources are saved, the utilization rate of the valve ball is improved, the valve ball is easy to use and is suitable for various conditions, the flange 2 and the fixing bolt 3 are arranged, an installer can conveniently install the valve seat 5 on the valve body 1, the bottom of the outer surface of the connecting piece 6 is fixedly provided with the fixing thread, the top of the valve core 12 is provided with the fixing thread groove matched with the fixing thread on the outer surface of the connecting piece 6, the connecting piece 6 is conveniently installed to be connected with the valve core 12, meanwhile, the first fastening nut 8 is twisted, only need lift the jam stopper 18 off, and stretch into the inside circulation hole that passes through simultaneously of card hole 17 with the instrument, the position of case 12 is restricted, then wrench movement connecting piece 6 can, need not to lift connecting tube 16 off, the device overall structure is simple, be convenient for installer installation and dismantlement this ball valve, work efficiency has been saved, and manpower and material resources have been reduced, facilitate the use, when using, the ball valve is easy to take place the infiltration in long-time use, perhaps can't accomplish long-time current-limiting, cause the waste of water resource, and the rate of utilization of this ball valve has been reduced, the problem of not being convenient for to use.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 leak protection ball valve, includes valve body (1), its characterized in that: the valve comprises a valve body (1), a flange (2) is fixedly installed at the top of the valve body (1), fixing bolts (3) are fixedly installed on the periphery of the top of the flange (2), a first sealing ring (4) is movably installed on the inner side of the flange (2), a valve seat (5) is fixedly installed on the top of the flange (2), a connecting piece (6) with one end penetrating through and extending to the outer portion of the valve seat (5) is fixedly and movably installed inside the valve seat (5), a valve rod (7) is movably installed on the top of the connecting piece (6), a first fastening nut (8) is movably connected to the bottom of the outer surface of the connecting piece (6), connecting rods (9) are fixedly installed on the left side and the right side of the bottom of the first fastening nut (8), a first sealing block (10) is fixedly installed on the bottom of each connecting rod (9), the bottom of the connecting piece (6) penetrates through, the valve core (12) is positioned inside the valve body (1) and movably connected with the valve body (1), the top of the inner cavity of the valve body (1) is fixedly provided with a second sealing ring (11) with one end penetrating and extending to the inside of the valve core (12), the bottom of the inner cavity of the valve core (12) is fixedly provided with a third sealing ring (15) with one end penetrating and extending to the outside of the valve core (12), the bottom of the outer surface of the valve core (12) is fixedly provided with a second sealing block (13), the bottom of the second sealing block (13) is movably connected with the bottom of the inner cavity of the valve body (1), the bottom of the valve core (12) penetrates and extends to the bottom wall of the valve body (1) and is fixedly connected with a bearing seat (14), the bottom of the bearing seat (14) is fixedly connected with the bottom of the inner cavity of the valve body (1), the left end and the right end of the inner cavity of the valve body (1), the front of the valve body (1) is provided with a clamping hole (17), and the front of the inner side of the clamping hole (17) and the valve body (1) is movably provided with a plug (18).

2. The leak-proof ball valve of claim 1, wherein: the first sealing block (10) and the second sealing block (13) are both triangular sealing rings, and a circulation hole is formed in the valve core (12).

3. The leak-proof ball valve of claim 1, wherein: and a second fastening nut is fixedly mounted at the top of the outer surface of the connecting piece (6) and above the valve rod (7), and the valve core (12) is spherical.

4. The leak-proof ball valve of claim 1, wherein: the top of the outer surface of the valve core (12) is provided with an annular groove matched with the second sealing ring (11), one side of the annular groove close to the center of the valve core (12) is fixedly provided with a ball, and one side of the ball far away from the center of the valve core (12) is movably connected with one side of the second sealing ring (11) close to the center of the valve core (12).

5. The leak-proof ball valve of claim 1, wherein: the bottom of the outer surface of the connecting piece (6) is fixedly provided with a fixed thread, and the top of the valve core (12) is provided with a fixed thread groove matched with the fixed thread on the outer surface of the connecting piece (6).

6. The leak-proof ball valve of claim 1, wherein: the utility model discloses a valve body, including connecting tube (16), connecting tube (16) and installation thread, the inside fixed mounting that just is located valve body (1) of surface of connecting tube (16) has the installation screw thread, the installation thread groove with connecting tube (16) surface mounting screw thread looks adaptation is all seted up at both ends about valve body (1) inner chamber, the surface movable mounting that the department of meeting of installation thread groove and installation thread just is located connecting tube (16) has sealing adhesive tape.