CN216479031U - Eccentric ball valve work seal structure - Google Patents
Eccentric ball valve work seal structure Download PDFInfo
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- CN216479031U CN216479031U CN202121416836.1U CN202121416836U CN216479031U CN 216479031 U CN216479031 U CN 216479031U CN 202121416836 U CN202121416836 U CN 202121416836U CN 216479031 U CN216479031 U CN 216479031U
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- ball valve
- split
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Abstract
The utility model discloses a working sealing structure of an eccentric ball valve, which belongs to the field of eccentric ball valves and comprises a valve body, wherein the inside of the valve body is fixedly connected with a fixed sealing seat through a screw, the inside of the valve body is provided with a valve, one side of the valve is sleeved with a bolt through a thread, one side of the valve is fixedly connected with a pressing ring through a bolt, an adjusting ring is arranged between the pressing ring and the valve, and one side of the valve is provided with a soft sealing ring; through setting up A valving piece, B valving piece and C valving piece, can be for the valving equipment with valve sealing washer clamping ring, can maintain the change on line, it is simple and convenient to change, can realize maintaining the change on line, when having avoided the sealing washer to need to be changed, the clamping ring can't directly take out on line, and need take out the ball valve wholly and disassemble the back and just can change, greatly increased maintains the degree of difficulty and cost of maintenance to the maintenance and the change for the inside seal structure of ball valve have brought the facility.
Description
Technical Field
The utility model belongs to the technical field of eccentric ball valves, and particularly relates to a working sealing structure of an eccentric ball valve.
Background
A ball valve is defined as: the opening and closing piece (ball) is driven by the valve rod and rotates around the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the build-up welding hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the switching of the flow direction of the medium on the pipeline, and can close any channel to connect the other two channels. This kind of valve generally should horizontal installation in the pipeline, the ball valve wide application is done the inlet valve in the power station, the pump station export is done the check valve and the pipeline is used for controlling the fluidic cutting off of high pressure medium, however, current ball valve sealing washer clamping ring is whole and the biggest overall dimension is bigger than fixed seal receptacle hole size, when the sealing washer needs to be changed, the clamping ring can't directly take out on line, and need take out the ball valve wholly and disassemble the back and can change, greatly increased maintains the degree of difficulty and cost of maintenance, we provide an eccentric ball valve work seal structure for this reason.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a working sealing structure of an eccentric ball valve, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an eccentric ball valve work seal structure, includes the valve body, there is the fixed seal seat inside of valve body through screw fixedly connected with, the inside of valve body is provided with the valve, the bolt has been cup jointed to one side screw thread of valve, there is the clamping ring one side of valve through bolt fixedly connected with, be provided with the adjusting ring between clamping ring and the valve, one side of valve is provided with soft sealing washer.
In a preferred embodiment, one side of the soft sealing ring is in close contact with one side of the fixed sealing seat, and the soft sealing ring is made of rubber.
As a preferred embodiment, the whole pressing ring is divided into a split block a, a split block B and a split block C, and one side of the pressing ring is in close contact with the soft sealing ring.
As a preferred embodiment, the number of the a split blocks is one, the number of the B split blocks is two, and the number of the C split blocks is one.
As a preferred embodiment, an inner hole is formed inside the fixed sealing seat, and the pressing ring is matched with the inner hole.
As a preferred embodiment, two sides of the bottom of the a split block are respectively matched with the tops of the two B split blocks, the bottoms of the two B split blocks are respectively matched with two sides of the top of the C split block, and a clamping ring composed of the a split block, the B split block and the C split block is matched with the inner cavity of the valve body.
Compared with the prior art, the utility model has the beneficial effects that:
this eccentric ball valve work seal structure, through setting up A valving piece, B valving piece and C valving piece, can be for the valving equipment with valve sealing washer clamping ring, can maintain the change on line, it is simple and convenient to change, can realize maintaining the change on line, when the sealing washer need be changed, the clamping ring can't directly take out on line, and need take out the ball valve wholly to disassemble the back and just can change, greatly increased maintains the degree of difficulty and cost of maintenance, thereby brought the facility for the maintenance and the change of the inside seal structure of ball valve.
Drawings
FIG. 1 is a partial cross-sectional view of a structure of the present invention;
fig. 2 is a front view of the shutter of the present invention.
In the figure: 1. a valve body; 2. fixing a sealing seat; 3. a soft seal ring; 4. a bolt; 5. pressing a ring; 6. adjusting the ring; 7. a shutter; 8. a, dividing a petal block; 9. b, dividing the valve block; 10. c, dividing the valve block.
Detailed Description
The present invention will be further described with reference to the following examples.
The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model. The conditions in the embodiments can be further adjusted according to specific conditions, and simple modifications of the method of the present invention based on the concept of the present invention are within the scope of the claimed invention.
Referring to fig. 1 and 2, the utility model provides a working sealing structure of an eccentric ball valve, which comprises a valve body 1, in order to maintain and replace the sealing structure inside the ball valve, a fixed sealing seat 2 is fixedly connected inside the valve body 1 through screws, a valve 7 is arranged inside the valve body 1, a bolt 4 is sleeved on one side of the valve 7 through threads, a clamping ring 5 is fixedly connected on one side of the valve 7 through the bolt 4, an adjusting ring 6 is arranged between the clamping ring 5 and the valve 7, a soft sealing ring 3 is arranged on one side of the valve 7, one side of the soft sealing ring 3 is tightly contacted with one side of the fixed sealing seat 2, the soft sealing ring 3 is made of rubber, the clamping ring 5 is divided into an a split block 8, a B split block 9 and a C split block 10, one side of the clamping ring 5 is tightly contacted with the soft sealing ring 3, the a split block 8 is one, the B split block 9 is two, and the C split block 10 is one, the hole is seted up to fixed seal seat 2's inside, clamping ring 5 and hole looks adaptation, A split piece 8, B split piece 9 and C split piece 10, the both sides of the bottom of A split piece 8 respectively with the top looks adaptation of two B split pieces 9, the bottom of two B split pieces 9 respectively with the both sides looks adaptation at C split piece 10 top, clamping ring 5 and the inner chamber looks adaptation of valve body 1 that A split piece 8, B split piece 9 and C split piece 10 are constituteed, when clamping ring 5 dismantles: after the maintenance and replacement conditions of the ball valve maintenance sealing side are met, the adjusting ring 6 is firstly disassembled (the adjusting ring 6 is connected with the valve 7 through the bolt 4) and then taken out, then the bolt 4 on the A section block 8 is disassembled, so that the A section block 8 can move to be close to the center of the valve 7 along the radial direction, and at the moment, the A section block 8 can be smoothly taken out from the inner hole of the fixed sealing seat 2. The other three split blocks firstly disassemble the B split block 9, the disassembling method is the same as the A split block 8, because the A split block 8 is disassembled, the B split block 9 can rotate along the circumferential direction and then move to the center close to the valve 7 along the radial direction to be taken out, the C split block 10 is disassembled according to the same method, and after all split blocks are disassembled, the prepared soft sealing ring 3 is replaced. When the pressing ring 5 is installed: firstly, the split blocks B and C are installed on the valve 7 in the reverse order of the disassembling method, after being adjusted to be in place with the soft sealing ring 3, the bolt 4 is screwed in to enable the split blocks to be fixed on the valve 7, and finally the split block A8 is installed, and due to the special design shape of the split block A8, the split blocks A can be smoothly installed in place on line.
The working principle and the using process of the utility model are as follows: firstly, when the pressing ring 5 is disassembled: after the maintenance and replacement conditions of the ball valve maintenance sealing side are met, the adjusting ring 6 is firstly disassembled (the adjusting ring 6 is connected with the valve 7 through the bolt 4) and then taken out, then the bolt 4 on the A section block 8 is disassembled, so that the A section block 8 can move to be close to the center of the valve 7 along the radial direction, and at the moment, the A section block 8 can be smoothly taken out from the inner hole of the fixed sealing seat 2. The other three split blocks firstly disassemble the B split block 9, the disassembling method is the same as the A split block 8, because the A split block 8 is disassembled, the B split block 9 can rotate along the circumferential direction and then move to the center close to the valve 7 along the radial direction to be taken out, the C split block 10 is disassembled according to the same method, and after all split blocks are disassembled, the prepared soft sealing ring 3 is replaced. When the pressing ring 5 is installed: firstly, the split blocks B and C are installed on the valve 7 in the reverse order of the disassembling method, after being adjusted to be in place with the soft sealing ring 3, the bolt 4 is screwed in to enable the split blocks to be fixed on the valve 7, and finally the split block A8 is installed, and due to the special design shape of the split block A8, the split blocks A can be smoothly installed in place on line.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an eccentric ball valve work seal structure, includes valve body (1), its characterized in that: the novel valve is characterized in that a fixed sealing seat (2) is fixedly connected to the inside of the valve body (1) through a screw, a valve (7) is arranged inside the valve body (1), a bolt (4) is sleeved on one side of the valve (7) in a threaded mode, a pressing ring (5) is fixedly connected to one side of the valve (7) through the bolt (4), an adjusting ring (6) is arranged between the pressing ring (5) and the valve (7), and a soft sealing ring (3) is arranged on one side of the valve (7).
2. An eccentric ball valve working seal structure according to claim 1, wherein: one side of the soft sealing ring (3) is in close contact with one side of the fixed sealing seat (2), and the soft sealing ring (3) is made of rubber.
3. An eccentric ball valve working seal structure according to claim 1, wherein: the whole pressing ring (5) is divided into an A divided block (8), a B divided block (9) and a C divided block (10), and one side of the pressing ring (5) is in close contact with the soft sealing ring (3).
4. An eccentric ball valve working seal structure according to claim 3, wherein: the number of the A valve blocks (8) is one, the number of the B valve blocks (9) is two, and the number of the C valve blocks (10) is one.
5. An eccentric ball valve working seal structure according to claim 1, wherein: an inner hole is formed in the fixed sealing seat (2), and the pressing ring (5) is matched with the inner hole.
6. An eccentric ball valve working seal structure according to claim 3, wherein: the both sides of the bottom of A split piece (8) respectively with the top looks adaptation of two B split pieces (9), two the bottom of B split piece (9) respectively with the both sides looks adaptation at C split piece (10) top, clamping ring (5) that A split piece (8), B split piece (9) and C split piece (10) are constituteed and the inner chamber looks adaptation of valve body (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121416836.1U CN216479031U (en) | 2021-06-24 | 2021-06-24 | Eccentric ball valve work seal structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121416836.1U CN216479031U (en) | 2021-06-24 | 2021-06-24 | Eccentric ball valve work seal structure |
Publications (1)
Publication Number | Publication Date |
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CN216479031U true CN216479031U (en) | 2022-05-10 |
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CN202121416836.1U Active CN216479031U (en) | 2021-06-24 | 2021-06-24 | Eccentric ball valve work seal structure |
Country Status (1)
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CN (1) | CN216479031U (en) |
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2021
- 2021-06-24 CN CN202121416836.1U patent/CN216479031U/en active Active
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