CN220082171U - High stability ball valve - Google Patents
High stability ball valve Download PDFInfo
- Publication number
- CN220082171U CN220082171U CN202321248259.9U CN202321248259U CN220082171U CN 220082171 U CN220082171 U CN 220082171U CN 202321248259 U CN202321248259 U CN 202321248259U CN 220082171 U CN220082171 U CN 220082171U
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- valve
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- valve body
- mounting hole
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- 238000007789 sealing Methods 0.000 claims description 20
- 238000012856 packing Methods 0.000 claims description 18
- 238000003825 pressing Methods 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010327 methods by industry Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of ball valves, and particularly relates to a high-stability ball valve, which comprises: the valve body is provided with a first mounting hole above and a second mounting hole below; the valve rod is arranged in the first mounting hole, an annular protrusion is arranged at the lower end of the valve rod, and the valve body is provided with a groove matched with the annular protrusion; the valve ball is arranged inside the valve body and is connected with the valve rod; the valve seat is arranged between the valve ball and the valve body; the positioning seat is arranged in the second mounting hole and is abutted against the bottom of the valve ball; the positioning bracket is arranged above the valve body and is connected with the valve body; the positioning plate is provided with a positioning hole matched with the valve rod and is rigidly connected to the positioning bracket; the positioning shaft sleeve is divided into a first positioning shaft sleeve and a second positioning shaft sleeve, and the first positioning shaft sleeve is sleeved on the valve rod and is arranged between the annular protrusion and the groove.
Description
Technical Field
The utility model relates to the field of ball valves, in particular to a high-stability ball valve.
Background
Ball valves are widely used in various industries, and along with the rapid development of science and technology, the continuous improvement of production technology and product structure, ball valves have been rapidly developed in decades. In western industry developed countries, the use of ball valves has increased year by year. Ball valves are valves that use a ball as an opening and closing member. Along with the rapid development of process engineering detection technology and intelligent control technology and the continuous emergence of various novel sealing materials, ball valve products are increasingly widely applied. Currently, ball valve products are not only applied to general industrial pipelines, but also widely applied to conveying pipelines of Western gas east transport, coal-based petroleum engineering, nuclear industry and aerospace industry.
When the ball valve is in a vibrating working environment, such as a ball valve connected to a water pump; the valve rod has certain clearance with the valve body, and when the valve rod has vibrations, the valve rod can have certain collision with the valve body, can damage valve rod and valve body, makes the fit clearance of each component of ball valve too big. The water leakage and other problems can occur after a long time. Accordingly, there is an urgent need to provide an improved solution to reduce the above technical problems.
Disclosure of Invention
The utility model aims to solve the technical problems, and provides the high-stability ball valve, so that the technical effects of prolonging the service life of the ball valve, reducing the cost and the like are achieved.
In view of this, the present utility model provides a high stability ball valve, characterized in that it comprises:
the valve body is provided with a first mounting hole above and a second mounting hole below;
the valve rod is arranged in the first mounting hole, an annular protrusion is arranged at the lower end of the valve rod, and the valve body is provided with a groove matched with the annular protrusion;
the valve ball is arranged inside the valve body and is connected with the valve rod;
the valve seat is arranged between the valve ball and the valve body;
the positioning seat is arranged in the second mounting hole and is abutted against the bottom of the valve ball;
the positioning bracket is arranged above the valve body and is connected with the valve body;
the positioning plate is provided with a positioning hole matched with the valve rod and is rigidly connected to the positioning bracket;
the positioning shaft sleeve is divided into a first positioning shaft sleeve and a second positioning shaft sleeve, the first positioning shaft sleeve is sleeved on the valve rod and arranged between the annular protrusion and the groove, the positioning plate is internally provided with a mounting groove for mounting the second positioning shaft sleeve, and the second positioning shaft sleeve is arranged in the mounting groove and sleeved on the valve rod.
In this technical scheme, on the basis of the used valve ball of traditional ball valve, increased locating element such as locating support, locating plate and location axle sleeve, make the stability reinforcing of ball valve, make the swing of ball valve in the course of the work reduce, reduce the damage of ball valve self, extension ball valve's life.
In the above technical solution, further, the sealing device further includes a sealing portion, where the sealing portion includes:
the packing cavity is arranged at the upper part of the valve body and wraps the valve rod;
the filling port is arranged above the filling cavity;
the sealing filler is arranged in the filler cavity;
and the sealing cover is arranged on the filling port and is connected with the valve body.
In this technical scheme, increased a seal structure, can effectually prevent the valve rod department of ball valve and leak.
In the above technical scheme, further, the first positioning plate and the second positioning plate are in bolted connection.
In the technical scheme, the first locating plate and the second locating plate are convenient to detach, and the second locating shaft sleeve can be installed between the two locating plates.
In the above technical scheme, further, a positioning pin is disposed between the first positioning plate and the second positioning plate.
In the technical scheme, the positioning pins can prevent the two positioning plates from changing positions during operation.
In the above technical solution, further, the method further includes:
and the elastic element is axially arranged between the first valve body and the valve seat.
In the technical scheme, the elastic element can support the valve seat on the valve ball, so that the sealing performance of the ball valve can be enhanced.
In the above technical solution, further, the valve seat further includes:
the rubber part is attached to the valve ball and is a valve seat shell;
the first fixing part is provided with a fastening mounting hole in the radial direction, is attached to the valve body and is arranged in the rubber part;
the second fixing part is attached to the valve body and the first fixing part;
a ball disposed within the fastening mounting hole;
one end of the fastening part is attached to the rubber part, and the other end of the fastening part is an inclined plane and attached to the ball;
the fastening screw penetrates through the rubber part and the first fixing part to the fastening mounting hole, the top end of the fastening screw is an inclined plane, and the inclined plane is attached to the ball.
In this technical scheme, adjustable disk seat and valve ball's leakproofness is better.
In the above technical solution, further, the first fixing portion and the second fixing portion may be fixed on the valve body.
In the technical scheme, the first fixing part and the second fixing part are fixed on the valve body, so that the valve seat is positioned more stably.
The beneficial effects of the utility model are as follows:
1. the ball valve is further optimized, the double-shaft sleeve is adopted for positioning, so that the valve rod works more stably, the ball valve is not easy to leak due to abrasion, and the ball valve works more stably.
2. The valve seat in the valve ball can strengthen the tightness degree of the valve seat and the valve ball by adjusting the shape of the valve seat, so that the sealing performance is improved, and the leakage of the ball valve caused by abrasion is prevented.
Drawings
FIG. 1 is a schematic cross-sectional view of the structure of the present utility model;
FIG. 2 is a schematic view of a valve seat structure according to the present utility model;
FIG. 3 is a schematic perspective view of a first fixing portion of the valve seat according to the present utility model;
FIG. 4 is a schematic perspective view of a fastening portion in a valve seat according to the present utility model;
FIG. 5 is a schematic perspective view of a rubber portion in a valve seat according to the present utility model;
FIG. 6 is a schematic view of the structure of the elastic element of the present utility model.
The label in the figure is:
1. a first valve body; 2. a second valve body; 3. a valve ball; 4. a positioning seat; 5. a valve stem; 6. a valve seat; 7. a fastening screw; 8. a first positioning plate; 9. a second positioning plate; 10. a positioning bracket; 11. a second positioning sleeve; 12. a first positioning sleeve; 13. an annular protrusion; 14. an elastic element; 15. a positioning pin; 16. sealing cover; 17. an expansion rod; 18. a filler cavity; 601. a rubber part; 602. a first fixing portion; 603. a second fixing portion; 604. a ball; 605. a fastening part; 606. a compression screw; 607. and fastening the mounting hole.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which are obtained by a person skilled in the art based on the embodiments of the present utility model, fall within the scope of protection of the present utility model.
Example 1:
the embodiment provides a high stability ball valve, this ball valve includes:
the valve body is divided into a first valve body 1 and a second valve body 2, a first mounting hole is formed above the first valve body 1, a second mounting hole is formed below the first valve body, the first valve body 1 and the second valve body 2 are connected through screws, and gaskets can be added to the screws;
a valve stem 5, the valve stem 5 being disposed in the first mounting hole;
a valve ball 3, the valve ball 3 being disposed inside the valve body and being coupled with the valve stem 5;
a valve seat 6, said valve seat 6 being interposed between the valve ball 3 and the valve body;
the positioning seat 4 is arranged below the valve ball 3 and in the second mounting hole;
the positioning bracket 10 is arranged above the valve body and welded with the valve body;
the positioning plate is a steel plate, a positioning hole matched with the valve rod 5 is formed in the positioning plate, the valve rod 5 is tightly matched with the positioning hole, and the positioning plate is welded on the positioning bracket 10;
wherein, the lower end of the valve rod 5 is provided with an annular protrusion 13, and the first valve body 1 is provided with a groove matched with the annular protrusion 13;
the high-stability ball valve further comprises a first positioning shaft sleeve 12 and a second positioning shaft sleeve 11, the first positioning shaft sleeve 12 is sleeved on the valve rod 5 and arranged between the annular protrusion 13 and the groove, the annular protrusion 13 and the groove can be used for fixedly matching the first positioning shaft sleeve 12, the second positioning shaft sleeve 11 is arranged on the valve rod 5 in a sleeved mode, an installation groove for installing the second positioning shaft sleeve 11 is formed in the positioning support 10 and is fixed, the first positioning shaft sleeve 11 and the second positioning shaft sleeve 11 are shaft sleeves and can be tightly matched with the positioning plate and the valve rod 5, and the valve rod 5 is enabled to rotate smoothly under tight fixation.
According to the embodiment, on the basis of the valve ball 3 used in the traditional ball valve, the positioning elements such as the positioning bracket 10, the positioning plate, the positioning shaft sleeve and the like are added, so that the ball valve works stably, the swing of the ball valve in the working process is reduced, the damage of the ball valve is reduced, and the service life of the ball valve is prolonged.
Example 2:
the present embodiment provides a high-stability ball valve having the following technical features in addition to the technical scheme including the above embodiment.
On the basis of the ball valve, the ball valve further comprises a sealing part, wherein the sealing part comprises:
a packing cavity 18, wherein the packing cavity 18 is arranged at the upper part of the valve body and wraps the valve rod 5; a fill port above the fill cavity 18; a sealing packing within packing cavity 18; the sealing cover 16 is arranged on the filling port and is connected with the valve body through a screw; an expansion rod 17, the expansion rod 17 being connected to the sealing cover 16 and being inserted into the packing.
The positioning pins 15 may be disposed between the first positioning plate 8 and the second positioning plate 9, the positioning pins 15 may be disposed on one side of the positioning plate, the positioning grooves may be disposed on the other side of the positioning plate, and the positioning grooves may be disposed on both sides of the positioning plate, and then the positioning plate is fixed by the positioning pins 15.
The ball valve is provided with a spring which is axially arranged between the first valve body 1 and the valve seat 6, the valve seat 6 is abutted against the valve ball 3, the valve seat 6 is tightly attached to the valve ball 3, and the inner hole of the spring can enable fluid to pass through.
The ball valve is provided with a fastening screw 7, the fastening screw 7 is arranged in the second mounting hole, the mounting hole is provided with threads matched with the second mounting hole, one end of the fastening screw 7 is attached to the positioning seat 4, and when the fastening screw 7 is screwed, the positioning seat 4 moves upwards, so that the positioning seat 4 is in fastening fit with the valve ball 3.
According to the embodiment, the packing cavity 18 is filled with the packing through the packing opening, the packing is compacted by using a tool, and finally the sealing cover 16 with the expansion rod 17 is arranged on the packing cavity 18, and the expansion rod 17 is inserted into the packing, so that the packing is more compact and has better sealing effect; the positioning pin 15 can fix two positioning plates, so that the first positioning plate 9 and the second positioning plate 9 do not move relatively, the spring is arranged in the ball valve, the valve seat 6 and the valve ball 3 can be tightly matched all the time, the tightness of the ball valve is enhanced, and the ball valve is not easy to leak; the ball valve is provided with the fastening screw 7 matched with the positioning seat 4, so that the ball valve can work more stably.
Example 3:
the present embodiment provides a high-stability ball valve having the following technical features in addition to the technical scheme including the above embodiment.
The valve seat 6 further includes:
a rubber part 601, wherein the rubber part 601 is attached to the valve ball 3 and is a valve seat 6 housing;
a first fixing portion 602, wherein a fastening mounting hole 607 is formed in the radial direction of the first fixing portion 602, and the first fixing portion 602 is attached to the valve body and is positioned in the rubber portion 601;
a second fixing portion 603, wherein the second fixing portion 603 is attached to the valve body and the first fixing portion 602;
a ball 604, the ball 604 being disposed within the fastening mounting hole 607;
a fastening portion 605, wherein one end of the fastening portion 605 is attached to the rubber portion 601, and one end is an inclined surface and attached to the ball 604;
the pressing screw 606 penetrates through the rubber part 601 and the first fixing part 602 to the fastening mounting hole 607, the top end of the pressing screw 606 is an inclined surface, the inclined surface is attached to the ball 604, and the pressing screw 606 can be mounted by adopting an inner hexagonal wrench or a cross screwdriver.
Each component can be closely matched, and the fixing part can be matched with the rubber part 601 through the grooves and the protrusions, so that the whole valve seat 6 is integral and is not easy to scatter.
According to the present embodiment, by screwing the pressing screw 606 into the valve seat 6, the ball 604 is pushed toward the fastening portion 605 by the screw tip, the ball 604 is forced toward the rubber portion 601 in the direction of the valve ball 3, the fastening portion 605 deforms by pushing the rubber portion 601, and the surface of the rubber portion 601 in contact with the valve ball 3 is pushed tightly against the surface of the valve ball 3. The fixing part is divided into two parts, so that the whole valve seat 6 can be conveniently installed, and when the ball 604 needs to be replaced, the second fixing part 603 can be taken out, and then the ball 604 can be replaced. The fixing portion may be fixed to the valve body, so that the valve seat 6 is not easily scattered when the pressing screw 606 is detached or screwed.
In the process of using the ball valve, the valve seat 6 or the ball valve can be worn, so that a gap is formed between the valve seat 6 and the valve ball 3, the ball valve is leaked, and the valve seat 6 is tightly attached to the valve ball 3 by changing the shape of the valve seat 6, so that the sealing performance of the ball valve is always good, and the service life of the ball valve is prolonged.
The embodiments of the present utility model and the features of the embodiments are described above with reference to the accompanying drawings, in which the embodiments of the present utility model and the features of the embodiments may be combined with each other without conflict, and the present utility model is not limited to the above-described embodiments, which are merely illustrative, not restrictive, of the present utility model, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present utility model and the scope of the claims, which are also within the scope of the present utility model.
Claims (10)
1. A high stability ball valve, comprising:
the valve body is provided with a first mounting hole above and a second mounting hole below;
the valve rod (5) is arranged in the first mounting hole, an annular protrusion (13) is arranged at the lower end of the valve rod (5), and the valve body is provided with a groove matched with the annular protrusion (13);
a valve ball (3), wherein the valve ball (3) is arranged inside the valve body and is connected with the valve rod (5);
a valve seat (6), the valve seat (6) being arranged between the valve ball (3) and the valve body;
the positioning seat (4) is arranged in the second mounting hole and is abutted against the bottom of the valve ball (3);
the positioning bracket (10) is arranged above the valve body and is connected with the valve body;
the positioning plate is provided with a positioning hole matched with the valve rod (5) and is rigidly connected to the positioning bracket (10);
the positioning shaft sleeve is divided into a first positioning shaft sleeve (12) and a second positioning shaft sleeve (11), the first positioning shaft sleeve (12) is sleeved on the valve rod (5), the positioning shaft sleeve is axially arranged between the annular protrusion (13) and the groove along the valve rod (5), an installation groove for installing the second positioning shaft sleeve (11) is formed in the positioning plate, and the second positioning shaft sleeve (11) is arranged in the installation groove and sleeved on the valve rod (5).
2. The high stability ball valve of claim 1, further comprising a seal, the seal comprising:
a packing cavity (18), wherein the packing cavity (18) is arranged at the upper part of the valve body and wraps the valve rod (5);
a filler port above the filler cavity (18);
a sealing packing within the packing cavity (18);
and the sealing cover (16) is arranged on the filling port and is connected with the valve body.
3. The high-stability ball valve according to claim 1, wherein the positioning plate is divided into a first positioning plate (8) and a second positioning plate (9), the first positioning plate (8) is arranged on the positioning support (10) and is rigidly connected with the positioning support (10), the second positioning plate (9) is arranged on the first positioning plate (8), and the first positioning plate (8) is detachably connected with the second positioning plate (9).
4. A high stability ball valve according to claim 3, characterized in that a locating pin (15) is arranged between the first locating plate (8) and the second locating plate (9).
5. The high stability ball valve of claim 1, further comprising:
an elastic element (14), the elastic element (14) being arranged axially between the first valve body (1) and the valve seat (6).
6. A high stability ball valve according to claim 1, wherein the valve seat (6) further comprises:
a rubber part (601), wherein the rubber part (601) is attached to the valve ball (3) and is a valve seat (6) shell;
a first fixing portion (602), wherein the first fixing portion (602) is provided with a ball (604) mounting hole in the radial direction, and the first fixing portion (602) is abutted against the valve body and is arranged in the rubber portion (601);
a second fixing portion (603), the second fixing portion (603) abutting against the valve body and the first fixing portion (602);
a ball (604), the ball (604) disposed within a ball (604) mounting hole;
a fastening part (605), wherein one end of the fastening part (605) is attached to the rubber part (601), and the other end is an inclined plane and attached to the ball (604);
the pressing screw (606) penetrates through the rubber part (601) and the first fixing part (602) to the fastening mounting hole (607), the top end of the pressing screw (606) is an inclined plane, and the inclined plane is attached to the ball (604).
7. The high stability ball valve of claim 1, further comprising:
the fastening screw (7), the fastening screw (7) sets up in the second mounting hole, and one end is inconsistent with positioning seat (4).
8. The high stability ball valve of claim 6, wherein the first and second securing portions (602, 603) are securable to the valve body.
9. A high stability ball valve according to claim 5, characterized in that said elastic element (14) is a spring.
10. A high stability ball valve according to claim 2, characterized in that the sealing cap (16) further comprises an expansion rod (17) below, said expansion rod (17) being connected to the sealing cap (16) and inserted in the packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321248259.9U CN220082171U (en) | 2023-05-22 | 2023-05-22 | High stability ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321248259.9U CN220082171U (en) | 2023-05-22 | 2023-05-22 | High stability ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220082171U true CN220082171U (en) | 2023-11-24 |
Family
ID=88824583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321248259.9U Active CN220082171U (en) | 2023-05-22 | 2023-05-22 | High stability ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220082171U (en) |
-
2023
- 2023-05-22 CN CN202321248259.9U patent/CN220082171U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |