CN211624282U - Manual V-shaped ball valve - Google Patents
Manual V-shaped ball valve Download PDFInfo
- Publication number
- CN211624282U CN211624282U CN201922250466.8U CN201922250466U CN211624282U CN 211624282 U CN211624282 U CN 211624282U CN 201922250466 U CN201922250466 U CN 201922250466U CN 211624282 U CN211624282 U CN 211624282U
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- valve
- shaped ball
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- connecting rod
- gland
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- 238000007789 sealing Methods 0.000 claims abstract description 50
- 210000004907 gland Anatomy 0.000 claims abstract description 20
- 238000012856 packing Methods 0.000 claims abstract description 19
- 230000000694 effects Effects 0.000 claims abstract description 7
- 230000004888 barrier function Effects 0.000 claims description 5
- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
A manual V-shaped ball valve aims at solving the problem that medium leakage is caused by the influence on the sealing performance of a valve body due to abrasion between a ball body and a valve seat caused by friction generated between the ball body and the valve seat when the ball body rotates; the valve comprises a valve body, a valve seat, a V-shaped ball body, a support, a valve rod, a packing, a gland and a driving handle, wherein a sealing ring matched and sealed with the V-shaped ball body is arranged on the valve seat in a telescopic mode; the utility model discloses the structure is ingenious, through setting up the sealing washer of activity for there is not friction between spheroid and the sealing washer when the open and close valve, reduces the wearing and tearing of spheroid and sealing washer, and also there is not friction between the sealing washer when flexible and the disk seat, avoids sealed face wearing and tearing to destroy the leakproofness.
Description
Technical Field
The device relates to the technical field of valves, in particular to a manual V-shaped ball valve.
Background
The manual V-shaped ball valve is a rotary ball valve whose core valve seat is made of metal or metal-polytetrafluoroethylene sealing fit, and it integrates the optimum control characteristics of ball valve and butterfly valve into one body, and can be used as control regulating valve and cut-off valve.
The manual V-shaped ball valve has the advantages that: 1. the valve core of the V-shaped ball valve is provided with a V-shaped structure, a V-shaped notch is formed, and the adjustable range is large; 2. with shear force, closing the seal.
Because the V type ball valve is that case and disk seat cooperation are sealed, can produce great shearing force simultaneously, the sealed face of damage that can be very big, therefore, a sealed face area elastic V type ball valve has been developed, the sealed face of one of them adopts elastic construction on case or the disk seat, play certain cushioning effect to the shearing force, slow down the wearing and tearing of sealed face, but current elastic construction has certain technical defect, in order to guarantee the leakproofness, the side of elastic component has all set up the sealing washer, in order to prevent the circulation of medium, but the setting of sealing washer plays very big hindrance effect to the activity of elastic component, need great power just to make the elastic component produce the displacement, and the removal of elastic component drives the sealing washer and slides, can harm the sealing washer, influence its leakproofness.
SUMMERY OF THE UTILITY MODEL
For overcoming prior art's defect, the utility model provides a manual V type ball valve, thereby it influences the problem that the valve body leakproofness leads to the medium seepage that the spheroid leads to spheroid and disk seat wearing and tearing to produce the friction between its aim at solution spheroid rotation time and the disk seat.
The technical scheme for solving the technical problem is as follows: the utility model provides a manual V type ball valve, which comprises a valve body, the disk seat, the V type spheroid, a support, the valve rod, the filler, gland and drive handle, the valve body upper end is provided with the support, the packing groove has been seted up to the support upper end, the gland is installed in packing groove top, the filler is by gland fixed mounting in the packing groove, gland and support are through screw fixed connection, the fixed setting in gland top of drive handle, the valve body inner chamber is arranged in to the V type spheroid, the V type spheroid is connected with drive handle through the valve rod, fixed mounting has the disk seat in the valve body, flexible being provided with on the disk seat with the sealed sealing washer of V type spheroid cooperation, be equipped with the ejector pin of control sealing washer activity in the valve body, the ejector pin tip stretches into the valve body inner chamber, be equipped with the lug that uses with the ejector pin cooperation.
The utility model discloses the structure is ingenious, through setting up the sealing washer of activity for there is not friction between spheroid and the sealing washer when the open and close valve, reduces the wearing and tearing of spheroid and sealing washer, and also there is not friction between the sealing washer when flexible and the disk seat, avoids sealed face wearing and tearing to destroy the leakproofness.
Drawings
Fig. 1 is a front sectional view of the present invention.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1 (in this case, the valve body is in a closed state).
Fig. 3 is an enlarged schematic view of a portion a in fig. 1 in an open state of the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As can be seen from figures 1 to 3, a manual V-shaped ball valve comprises a valve body 1, a valve seat 2, a V-shaped ball body 3, a support 4, a valve rod 5, a packing 6, a gland 7 and a driving handle 8, wherein the support 4 is arranged at the upper end of the valve body 1, a packing 6 groove is formed at the upper end of the support 4, the gland 7 is arranged above the packing 6 groove, the packing 6 is fixedly arranged in the packing 6 groove by the gland 7, the gland 7 is fixedly connected with the support 4 through a screw 9, the driving handle 8 is fixedly arranged above the gland 7, the V-shaped ball body 3 is arranged in an inner cavity of the valve body 1, the V-shaped ball body 3 is connected with the driving handle 8 through the valve rod 5, the valve seat 2 is fixedly arranged in the valve body 1, a sealing ring 10 which is matched and sealed with the V-shaped ball body 3 is telescopically arranged on the valve seat 2, an ejector rod 11 which controls the movement of the sealing, when the V-shaped ball 3 rotates to the sealing position, the lug 12 pushes the mandril 11 to enable the sealing ring 10 to extend out to be matched with the V-shaped ball 3 to form sealing.
Rotate the actuating handle 8, valve rod 5 drives V type spheroid 3 and rotates at 1 inner chamber of valve body, V type spheroid 3 rotates to with the valve seat 2 on the sealing washer 10 complex position, lug 12 touches ejector pin 11, push back ejector pin 11 in the valve body 1, the inner removal of ejector pin 11 makes sealing washer 10 move to the outside, form sealedly with the laminating of V type spheroid 3 surface, when opening the valve, the same reason is opposite, V type spheroid 3's rotation makes lug 12 remove from ejector pin 11 position, ejector pin 11 is overhanging, and sealing washer 10 adduction, keep away from V type spheroid 3 surface, make V type spheroid 3 not rub with sealing washer 10 when rotating, avoid wearing and tearing between the two.
The lower end of the valve body 1 is provided with an end cover 13, the end cover 13 seals the lower end of the valve rod 5, and a sealing gasket is added in the middle to prevent medium leakage.
A pressing sleeve 14 is arranged between the packing 6 and the gland 7, the packing 6 is pressed in the packing 6 groove by the pressing sleeve 14, and the packing is fixed on the bracket 4 of the valve body 1 after being pressed by the gland 7.
The valve rod 5 is sleeved with a positioning piece 15 positioned between the driving handle 8 and the gland 7, so that the driving handle 8 is conveniently operated to position the V-shaped sphere 3.
For the convenience of assembly and disassembly, the V-shaped ball valve is fixed on the valve rod 5 through a taper pin 16.
In order to facilitate the operation, the valve body 1 is provided with a connecting rod 17 in a rotating manner, one end of the connecting rod 17 is movably connected with the ejector rod 11, the other end of the connecting rod 17 is movably connected with the sealing ring 10, a connecting rod 19 extends out of the inner end of the sealing ring 10, the connecting rod 19 is movably connected with the connecting rod 17, the two ends of the connecting rod 17 are respectively provided with a long circular hole 20, the ejector rod 11 and the inner end of the connecting rod 19 are respectively provided with a sliding pin 21 inserted into the long circular hole 20, the connecting rod 17 is driven by the ejector rod 11 to rotate in the valve body 1, the connecting rod 17 rotates to enable the sealing ring 10 to stretch in the valve seat 2, and the.
For better sealing, the two sides of the sealing ring 10 are provided with the barrier strips 18, the barrier strips 18 are matched with the valve seat 2 to form sealing, and the barrier strips 18 are sealed after contacting with the valve seat 2, so that the inner side and the outer side of the sealing ring 10 are isolated, and the leakage of media is avoided.
For better control, the connecting rod 19 is sleeved with a spring 22, one end of the spring 22 abuts against the valve seat 2, the other end of the spring 22 abuts against the connecting rod 17, the spring 22 pushes the connecting rod 17 in a direction away from the inner cavity of the valve seat 2, and when the valve is in an open state, because the ejector rod 11 is not pushed by the lug 12, the spring 22 pushes the connecting rod 17 to enable the sealing ring 10 to retract inwards along with the connecting rod 19.
When the utility model is used, the utility model,
install this valve body 1 in the pipeline, rotate drive handle 8, the rotation of control V type spheroid 3 to the switching of control valve body 1, sealing washer 10 under the open mode is retracted inside disk seat 2, rotate V type spheroid 3 and do not produce the friction with it, avoid both too early wearing and tearing, sealing washer 10 and the laminating of V type spheroid 3 surface under the closed mode form sealed face, and also form sealedly between blend stop 18 on the sealing washer 10 and the disk seat 2, can avoid the medium seepage.
Compared with the prior art, the utility model, following beneficial effect has: 1) the V-shaped ball 3 generates friction force with the sealing ring 10 to form sealing only in a closed state, and is in a non-contact state in other states, so that unnecessary abrasion between the V-shaped ball and the sealing ring is avoided; 2) the sealing surface of the telescopic sealing ring 10 is always a static friction surface, so that the sealing ring 10 cannot be abraded when moving, and can be sealed with the valve body 1 when closing the valve, and the leakage of a medium is avoided.
Claims (10)
1. A manual V-shaped ball valve is characterized by comprising a valve body (1), a valve seat (2), a V-shaped ball body (3), a support (4), a valve rod (5), a packing (6), a gland (7) and a driving handle (8), wherein the support (4) is arranged at the upper end of the valve body (1), a packing (6) groove is formed in the upper end of the support (4), the gland (7) is installed above the packing (6) groove, the packing (6) is fixedly installed in the packing (6) groove by the gland (7), the gland (7) is fixedly connected with the support (4) through a screw (9), the driving handle (8) is fixedly arranged above the gland (7), the V-shaped ball body (3) is arranged in an inner cavity of the valve body (1), the V-shaped ball body (3) is connected with the driving handle (8) through the valve rod (5), the valve seat (2) is fixedly installed in the valve body (1), a sealing ring (10) matched with the V-shaped ball body (, be equipped with ejector pin (11) of control sealing washer (10) activity in valve body (1), ejector pin (11) tip stretches into valve body (1) inner chamber, is equipped with lug (12) that use with ejector pin (11) cooperation on V type spheroid (3), and lug (12) promote ejector pin (11) when V type spheroid (3) rotate to sealed position and make sealing washer (10) stretch out and form sealedly with V type spheroid (3) cooperation.
2. A manual V-shaped ball valve according to claim 1, characterized in that the lower end of said valve body (1) is provided with an end cap (13).
3. A manual V-shaped ball valve according to claim 1, characterized in that a pressing sleeve (14) is arranged between said packing (6) and said pressing cover (7).
4. A manual V-shaped ball valve according to claim 1, wherein a positioning plate (15) between the driving handle (8) and the gland (7) is sleeved on the valve rod (5).
5. A manual V-ball valve according to claim 1, characterized in that said V-ball valve is fixed to the valve stem (5) via a conical pin (16).
6. A manual V-shaped ball valve according to claim 1, characterized in that a connecting rod (17) is rotatably arranged in the valve body (1), one end of the connecting rod (17) is movably connected with the ejector rod (11), and the other end of the connecting rod is movably connected with the sealing ring (10).
7. A manual V-shaped ball valve according to claim 1, wherein the sealing ring (10) is provided with barrier strips (18) at both sides, and the barrier strips (18) are matched with the valve seat (2) to form a seal.
8. A manual V-shaped ball valve according to claim 6, characterized in that a connecting rod (19) extends from the inner end of the sealing ring (10), and the connecting rod (19) is movably connected with the connecting rod (17).
9. The manual V-shaped ball valve according to claim 8, wherein both ends of the connecting rod (17) are provided with oblong holes (20), and the inner ends of the ejector rod (11) and the connecting rod (19) are provided with sliding pins (21) inserted into the oblong holes (20).
10. A manual V-shaped ball valve according to claim 8, characterized in that the connecting rod (19) is sleeved with a spring (22), one end of the spring (22) is abutted against the valve seat (2), the other end of the spring (22) is abutted against the connecting rod (17), and the spring (22) pushes the connecting rod (17) to a direction far away from the inner cavity of the valve seat (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922250466.8U CN211624282U (en) | 2019-12-16 | 2019-12-16 | Manual V-shaped ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922250466.8U CN211624282U (en) | 2019-12-16 | 2019-12-16 | Manual V-shaped ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211624282U true CN211624282U (en) | 2020-10-02 |
Family
ID=72629493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922250466.8U Active CN211624282U (en) | 2019-12-16 | 2019-12-16 | Manual V-shaped ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211624282U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709837A (en) * | 2020-12-23 | 2021-04-27 | 常州大学 | Valve seat sealing washer abrasionproof decreases ball valve |
-
2019
- 2019-12-16 CN CN201922250466.8U patent/CN211624282U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709837A (en) * | 2020-12-23 | 2021-04-27 | 常州大学 | Valve seat sealing washer abrasionproof decreases ball valve |
| CN112709837B (en) * | 2020-12-23 | 2023-01-24 | 常州大学 | Valve seat sealing washer abrasionproof decreases ball valve |
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