CN210661576U - Leakage-proof ball valve - Google Patents

Leakage-proof ball valve Download PDF

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Publication number
CN210661576U
CN210661576U CN201921787516.XU CN201921787516U CN210661576U CN 210661576 U CN210661576 U CN 210661576U CN 201921787516 U CN201921787516 U CN 201921787516U CN 210661576 U CN210661576 U CN 210661576U
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China
Prior art keywords
valve body
valve
close
gland
leak
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CN201921787516.XU
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Chinese (zh)
Inventor
韩耀宇
张典
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Jiangsu Henghe Automatic Control Valve Co Ltd
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Jiangsu Henghe Automatic Control Valve Co Ltd
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Abstract

The utility model discloses a prevent ball valve that reveals, including second valve body, gland, first valve body and case, the second valve body is installed to the one end of first valve body, and the second valve body is close to one side of first valve body and installs first connection pad, first valve body is close to one side of first connection pad and installs the second connection pad, and the second connection pad passes through fixing bolt and is connected with first connection pad, the outer end of second valve body and first valve body all is fixed with the connection sealing washer, and all installs the connecting pipe on the second valve body in the connection sealing washer outside and the first valve body, the inside one end that is close to first valve body of second valve body installs the second disk seat. The utility model discloses an internal thread, external screw thread and connecting pipe are installed for be convenient for install the device in the pipeline, perhaps dismantle from the pipeline, it is more convenient to use.

Description

Leakage-proof ball valve
Technical Field
The utility model relates to the technical field of valves, specifically be an anti-leakage ball valve.
Background
The ball valve is a valve whose opening and closing piece (ball body) is driven by valve rod and which makes rotary motion around the axis of the ball valve, and can be used for regulation and control of fluid, in which between its V-shaped ball core of the hard-sealing V-shaped ball valve and metal valve seat of bead weld hard alloy there is strong shearing force, so that it is specially applicable to the medium containing fibre and small solid particles, etc.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prevent leaking ball valve to solve the sealed reliability that proposes among the above-mentioned background art poor, the dismouting inconvenient and the case change also comparatively loaded down with trivial details problem.
In order to achieve the above object, the utility model provides a following technical scheme: a leakage-proof ball valve comprises a second valve body, a gland, a first valve body and a valve core, wherein one end of the first valve body is provided with the second valve body, one side of the second valve body, which is close to the first valve body, is provided with a first connecting disc, one side of the first valve body, which is close to the first connecting disc, is provided with a second connecting disc, the second connecting disc is connected with the first connecting disc through a fixing bolt, the outer ends of the second valve body and the first valve body are both fixed with a connecting sealing ring, the second valve body and the first valve body, which are connected with the outer side of the sealing ring, are both provided with a connecting pipe, one end of the inner part of the second valve body, which is close to the first valve body, is provided with a second valve seat, one end of the inner part of the first valve body, which is close to the second valve body, is provided with the valve core, the top end of the valve core is provided with a, and rubber seal evenly installs rubber seal in the inboard of sealing ring, the gland is installed on the top of the first valve body of sealing ring top, and the internally mounted of gland has the valve rod that vertically runs through the gland, the inserted block is installed to the bottom of valve rod, and inserted block and slot connection, the outside cover on valve rod top is equipped with the packing ring, the dwang is installed on the top of valve rod, and the outside cover of dwang is equipped with the knob, the dog is installed to one side of knob, one side that the dog was kept away from to the knob is installed and is rotated the wrench, the top of dwang is fixed with the screw thread head, and fixation nut is installed in the.
Preferably, the both ends of second valve body and first valve body all evenly are provided with the external screw thread, the inside of connecting pipe all evenly is provided with the internal thread, and internal thread and external screw thread connection.
Preferably, the gland is connected with the first valve body in a threaded connection mode, a limiting ring is fixed on the outer side of the gland, and an opening of an angle is formed in the limiting ring.
Preferably, the valve rod is provided with a boss, and the boss is connected with the sealing ring.
Preferably, a clamping groove is formed in one end, close to the second valve body, of the first valve body, a clamping block is installed at one end, close to the first valve body, of the second valve body, a sealing sleeve is sleeved on the outer side of the clamping block, the clamping block is connected with the clamping groove, and the clamping block and the clamping groove are both arranged in a ring shape.
Preferably, wear pads are fixed on the outer sides of the first valve seat and the second valve seat.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the device is convenient to install in a pipeline or disassemble from the pipeline by installing the internal thread, the external thread and the connecting pipe, so that the use is more convenient, and meanwhile, the device is convenient to disassemble and assemble the first valve body and the second valve body by installing the clamping groove, the clamping block and the sealing sleeve so as to replace the valve core, and meanwhile, the device has a good sealing effect and effectively avoids the condition of water leakage at the connecting part;
(2) the wear-resistant pad is arranged on the valve body, so that the situation that the first valve seat and the second valve seat are worn for a long time is effectively avoided, the fluid is prevented from leaking into the upper part of the valve rod to damage the valve rod or leaking out from a valve body channel, and meanwhile, the situation that the fluid leaks to the upper part of the valve rod is further avoided by arranging the sealing ring and the rubber sealing ring;
(3) the device is through installing gland, boss, thread head and fixation nut for be convenient for install or dismantle the valve rod, conveniently separate valve rod and case, thereby the change of the case of being convenient for, in order to ensure its effect of throttle and accuse flow, the device is through installing spacing ring and dog, make the control knob of being convenient for can only be at 90 within range internal rotations, effectively avoided the too big condition that leads to the fluid leakage of knob turned angle.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of a first valve body of the present invention;
fig. 3 is a schematic structural diagram of a second valve body of the present invention;
fig. 4 is a schematic view of the top view structure of the gland of the present invention;
fig. 5 is a schematic view of the valve rod structure of the present invention.
In the figure: 1. an internal thread; 2. an external thread; 3. a second valve body; 4. connecting a sealing ring; 5. a connecting pipe; 6. a first splice tray; 7. a gland; 8. a stopper; 9. a gasket; 10. a valve stem; 11. a knob; 12. a limiting ring; 13. rotating the wrench; 14. a first valve body; 15. a first valve seat; 16. a valve core; 17. a second valve seat; 18. a second connecting disc; 19. fixing the bolt; 20. a card slot; 21. inserting a block; 22. a rubber seal ring; 23. fixing a nut; 24. a screw head; 25. rotating the rod; 26. a boss; 27. a seal ring; 28. a slot; 29. a wear pad; 30. a clamping block; 31. and (5) sealing the sleeve.
The specific implementation mode is as follows:
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. 1-5, the present invention provides an embodiment: an anti-leakage ball valve comprises a second valve body 3, a gland 7, a first valve body 14 and a valve core 16, wherein the second valve body 3 is installed at one end of the first valve body 14, a clamping groove 20 is formed in one end, close to the second valve body 3, of the first valve body 14, a clamping block 30 is installed at one end, close to the first valve body 14, of the second valve body 3, a sealing sleeve 31 is sleeved on the outer side of the clamping block 30, the clamping block 30 is connected with the clamping groove 20, the clamping block 30 and the clamping groove 20 are both arranged in a ring shape, installation or disassembly is convenient, and good sealing performance is achieved,
a first connecting disc 6 is arranged on one side of the second valve body 3 close to the first valve body 14, a second connecting disc 18 is arranged on one side of the first valve body 14 close to the first connecting disc 6, the second connecting disc 18 is connected with the first connecting disc 6 through a fixing bolt 19, connecting sealing rings 4 are fixed at the outer ends of the second valve body 3 and the first valve body 14, connecting pipes 5 are arranged on the second valve body 3 and the first valve body 14 outside the connecting sealing rings 4, external threads 2 are uniformly arranged at two ends of the second valve body 3 and the first valve body 14, internal threads 1 are uniformly arranged inside the connecting pipes 5, the internal threads 1 are connected with the external threads 2, so that the device can be conveniently mounted on or dismounted from a pipeline,
a second valve seat 17 is arranged at one end of the inside of the second valve body 3 close to the first valve body 14, a first valve seat 15 is arranged at one end of the inside of the first valve body 14 close to the second valve body 3, wear pads 29 are fixed at the outer sides of the first valve seat 15 and the second valve seat 17, so that the wear-resistant effect is achieved, the situation that water leaks due to the fact that the first valve seat 15 and the second valve seat 17 are worn after being used for a long time is avoided,
a valve core 16 is arranged inside the first valve body 14 on one side of the first valve seat 15 close to the second valve body 3, a slot 28 is arranged at the top end of the valve core 16, a sealing ring 27 is arranged at the top end of the first valve body 14, rubber sealing rings 22 are uniformly arranged on the inner side of the sealing ring 27, a gland 7 is arranged at the top end of the first valve body 14 above the sealing ring 27, the gland 7 is connected with the first valve body 14 in a threaded connection mode, a limiting ring 12 is fixed on the outer side of the gland 7, a 90-degree opening is arranged on the limiting ring 12, the installation is convenient, and the rotation angle of the knob 11 is convenient to,
the valve rod 10 which longitudinally penetrates through the gland 7 is arranged in the gland 7, the valve rod 10 is provided with a boss 26, the boss 26 is connected with a sealing ring 27 to play a role in fixing the valve rod 10,
insert block 21 is installed to the bottom of valve rod 10, and insert block 21 is connected with slot 28, and the outside cover on valve rod 10 top is equipped with packing ring 9, and dwang 25 is installed on the top of valve rod 10, and the outside cover of dwang 25 is equipped with knob 11, and dog 8 is installed to one side of knob 11, and knob 11 is kept away from one side of dog 8 and is installed rotation wrench 13, and the top of dwang 25 is fixed with screw thread head 24, and fixation nut 23 is installed in screw thread head 24's the outside.
The working principle is as follows: when the fluid control valve is used, the inner thread 1 on the connecting pipe 5 is connected with the thread on the outer side of the pipeline, so that the first valve body 14 and the second valve body 3 are installed on the pipeline, when fluid needs to be regulated, the rotary wrench 13 is rotated, the rotary wrench 13 drives the rotary rod 25 to rotate through the knob 11, the rotary rod 25 drives the insert block 21 to rotate through the valve rod 10, the insert block 21 drives the valve core 16 to rotate, so that the communication or the closing of a valve core 16 channel and a valve body channel is realized, and the fluid is controlled, in the using process, the good leakage prevention effect can be realized through the connecting sealing ring 4, the wear pad 29, the sealing sleeve 31, the sealing ring 27 and the rubber sealing ring 22, the leakage of the fluid from a connecting part or the inside of the valve body is avoided, when the valve core 16 is damaged and needs to be replaced, the second valve body 3 is firstly detached from the first valve body 14 through the first connecting, open gland 7 afterwards, drive valve rod 10 through gland 7 and move up to make inserted block 21 and slot 28 separation, it can to take out at last that first valve body 14 is inside case 16 changes, with the effect of ensureing to install throttle and accuse stream, it is above the utility model discloses a whole theory of operation.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a prevent leaking ball valve, includes second valve body (3), gland (7), first valve body (14) and case (16), its characterized in that: the valve is characterized in that a second valve body (3) is installed at one end of the first valve body (14), a first connecting disc (6) is installed at one side, close to the first valve body (14), of the second valve body (3), a second connecting disc (18) is installed at one side, close to the first connecting disc (6), of the first valve body (14), the second connecting disc (18) is connected with the first connecting disc (6) through a fixing bolt (19), connecting sealing rings (4) are fixed at the outer ends of the second valve body (3) and the first valve body (14), connecting pipes (5) are installed on the second valve body (3) and the first valve body (14) outside the connecting sealing rings (4), a second valve seat (17) is installed at one end, close to the first valve body (14), close to one end of the second valve body (3), inside of the first valve body (14), and a first valve seat (15) is installed at one end, close to the second valve body (3), and the internally mounted of the first valve body (14) that first disk seat (15) is close to second valve body (3) one side has case (16), and the top of case (16) is provided with slot (28), sealing ring (27) are installed on the top of first valve body (14), and rubber seal (22) are evenly installed to the inboard of sealing ring (27), gland (7) are installed on the top of first valve body (14) of sealing ring (27) top, and the internally mounted of gland (7) has valve rod (10) that vertically runs through gland (7), inserted block (21) is installed to the bottom of valve rod (10), and inserted block (21) is connected with slot (28), the outside cover on valve rod (10) top is equipped with packing ring (9), dwang (25) are installed on the top of valve rod (10), and the outside cover of dwang (25) is equipped with knob (11), dog (8) are installed to one side of knob (11), the knob (11) is kept away from one side of dog (8) and is installed rotation wrench (13), the top of dwang (25) is fixed with screw thread head (24), and fixation nut (23) are installed in the outside of screw thread head (24).
2. A leak-proof ball valve according to claim 1, wherein: both ends of second valve body (3) and first valve body (14) all evenly are provided with external screw thread (2), the inside of connecting pipe (5) all evenly is provided with internal thread (1), and internal thread (1) is connected with external screw thread (2).
3. A leak-proof ball valve according to claim 1, wherein: the gland (7) is connected with the first valve body (14) in a threaded connection mode, a limiting ring (12) is fixed on the outer side of the gland (7), and a 90-degree opening is formed in the limiting ring (12).
4. A leak-proof ball valve according to claim 1, wherein: a boss (26) is arranged on the valve rod (10), and the boss (26) is connected with a sealing ring (27).
5. A leak-proof ball valve according to claim 1, wherein: one end, close to the second valve body (3), of the first valve body (14) is provided with a clamping groove (20), one end, close to the first valve body (14), of the second valve body (3) is provided with a clamping block (30), a sealing sleeve (31) is sleeved on the outer side of the clamping block (30), the clamping block (30) is connected with the clamping groove (20), and the clamping block (30) and the clamping groove (20) are both arranged in a ring shape.
6. A leak-proof ball valve according to claim 1, wherein: and wear-resistant pads (29) are fixed on the outer sides of the first valve seat (15) and the second valve seat (17).
CN201921787516.XU 2019-10-23 2019-10-23 Leakage-proof ball valve Active CN210661576U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921787516.XU CN210661576U (en) 2019-10-23 2019-10-23 Leakage-proof ball valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921787516.XU CN210661576U (en) 2019-10-23 2019-10-23 Leakage-proof ball valve

Publications (1)

Publication Number Publication Date
CN210661576U true CN210661576U (en) 2020-06-02

Family

ID=70841865

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921787516.XU Active CN210661576U (en) 2019-10-23 2019-10-23 Leakage-proof ball valve

Country Status (1)

Country Link
CN (1) CN210661576U (en)

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