CN222894692U - A alloy hard seal ball valve - Google Patents
A alloy hard seal ball valve Download PDFInfo
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- CN222894692U CN222894692U CN202422015974.9U CN202422015974U CN222894692U CN 222894692 U CN222894692 U CN 222894692U CN 202422015974 U CN202422015974 U CN 202422015974U CN 222894692 U CN222894692 U CN 222894692U
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- valve
- hard seal
- hard sealing
- valve body
- lock
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Abstract
The utility model discloses an alloy hard sealing ball valve which comprises a valve body, a ball body, a first hard sealing element, a second hard sealing element and a lock rod, wherein the ball body is arranged in a valve cavity in the valve body, one end of the valve body is provided with a water inlet, the other end of the valve body is provided with a water outlet, the second hard sealing element is fixed at the joint of the water inlet and the valve cavity, the first hard sealing element is arranged on one side of the second hard sealing element, a positioning lock disc is fixed at the top end of the valve body, equidistant lock holes are formed in the top end of the positioning lock disc, a valve rod is arranged at the top of the valve body, the top end of the valve rod penetrates through the positioning lock disc and is provided with a handle, one end in the handle is provided with a through hole, and the lock rod is arranged in the through hole in a penetrating manner. The utility model not only adopts a double sealing structure, has good wear resistance and good sealing performance, but also can lock the handle to prevent the misoperation of opening or closing caused by the mistaken touch.
Description
Technical Field
The utility model relates to the technical field of ball valves, in particular to an alloy hard seal ball valve.
Background
The ball valve is a valve which drives a ball body to rotate around the axis of the ball valve through a valve rod, and is mainly used for cutting off or connecting a medium in a pipeline and also can be used for adjusting and controlling fluid. The ball valve with hard seal is made of metal material and has the features of reliable sealing, long service life, high safety, etc. and is suitable for use in special conditions, such as high temperature, high pressure, high corrosion, etc.
At present, the hard seal of the ball valve mostly adopts a single sealing element, and the hard sealing element is easy to wear along with repeated rotation of the ball body, so that the sealing performance is reduced, the sealing performance between the hard sealing element and the ball valve is general, the condition of seepage is easy to occur, in addition, the handle is lack of locking after the ball valve is opened and closed, the handle is easy to rotate due to false touch, the ball valve is opened or closed by mistake, and the regulation and the control of fluid are influenced, so that improvement is needed.
Disclosure of utility model
The utility model aims to provide an alloy hard sealing ball valve, which solves the problems in the prior art.
The alloy hard sealing ball valve comprises a valve body, a ball body, a first hard sealing element, a second hard sealing element and a lock rod, wherein the ball body is arranged in a valve cavity in the valve body, one end of the valve body is provided with a water inlet, the other end of the valve body is provided with a water outlet, the water outlet and the water inlet are communicated with the valve cavity, the second hard sealing element is fixed at the joint of the water inlet, the water outlet and the valve cavity, a second step is arranged on the outer wall on one side of the second hard sealing element, the first hard sealing element is arranged on one side of the second hard sealing element, the first step is tightly clamped with the second step, the outer wall, close to one side of the ball body, of the first hard sealing element is fixedly provided with a wear-resistant layer, the wear-resistant layer is tightly attached to the ball body, the top end of the valve body is fixedly provided with a positioning lock disc, the top of the positioning lock disc is all provided with equidistant, the top of the valve rod is installed on the valve rod, the top end of the valve rod penetrates through a positioning handle lock disc and is installed on the outer wall on one side of the second hard sealing element, the first step is fixedly connected with the lock rod, and extends to the inner side of the lock rod, and is fixedly connected with the lock hole inside the valve rod.
Preferably, one end of the water inlet is provided with an annular mounting groove, and the inner walls of the annular mounting grooves are provided with mounting clamping grooves.
Preferably, the annular filter screen is arranged in the annular mounting groove, so that fluid can be filtered, impurities in the annular filter screen can be filtered, and the blockage in the ball valve can be reduced.
Preferably, the edge position department inside the annular filter screen all is provided with the spout, and the inside slidable mounting of spout has the fixture block, and the one end of fixture block extends to the inside of installation draw-in groove.
Preferably, the first hard sealing element and the second hard sealing element are made of tungsten steel.
Preferably, the wear-resistant layer is made of nickel-based alloy.
Preferably, a first magnet sheet is fixed at the bottom end of the handle at the outer side of the lock rod.
Preferably, a second magnet piece is fixed on the outer wall of the lock rod below the first magnet piece, and the second magnet piece is magnetically attracted with the first magnet piece, so that the lock rod is conveniently positioned.
Compared with the prior art, the utility model has the beneficial effects that:
The first hard sealing piece and the second hard sealing piece are arranged at the joint of the water inlet, the water outlet and the valve cavity, the second hard sealing piece and the valve body are integrally formed, and the first hard sealing piece is clamped with the second step on the outer wall of the second hard sealing piece through the first step, so that the sealing property between the first hard sealing piece and the valve body is improved, liquid seepage is difficult, the wear-resistant layer on the other side of the first hard sealing piece is tightly attached to the ball body, the first hard sealing piece and the ball body are sealed, the first hard sealing piece is made of tungsten steel, and has a series of excellent performances of high hardness, wear resistance, good strength, good toughness, heat resistance, corrosion resistance and the like;
After the handle is pulled to a specified state, the lock rod is pressed to separate the second magnet piece from the first magnet piece, and the lock rod is inserted into a lock hole corresponding to the surface of the positioning lock disc, so that the handle can be locked, and the mistaken opening or closing caused by mistaken touch can be prevented.
Drawings
FIG. 1 is a schematic cross-sectional view of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1B according to the present utility model;
FIG. 4 is a schematic top view of an enlarged structure of the lock collar of the present utility model;
fig. 5 is an enlarged schematic view of the circular filter screen according to the present utility model.
In the figure, 1, a valve body; 2, a valve cavity, 3, a sphere, 4, a first hard sealing piece, 401, a first step, 402, a wear-resistant layer, 5, a second hard sealing piece, 501, a second step, 6, a water inlet, 7, an annular mounting groove, 8, an annular filter screen, 801, a sliding groove, 802, a clamping block, 9, a mounting clamping groove, 10, a valve rod, 11, a handle, 12, a positioning lock disc, 1201, a lock hole, 13, a water outlet, 14, a through hole, 15, a lock rod, 16, a first magnet sheet, 17 and a second magnet sheet.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.
Referring to FIGS. 1-5, an alloy hard seal ball valve provided by the utility model comprises a valve body 1, a ball body 3, a first hard seal 4, a second hard seal 5 and a lock rod 15, wherein the ball body 3 is arranged in a valve cavity 2 in the valve body 1, one end of the valve body 1 is provided with a water inlet 6, the other end of the valve body 1 is provided with a water outlet 13, and the water outlet 13 and the water inlet 6 are communicated with the valve cavity 2;
The second hard sealing piece 5 is fixed at the joint of the water inlet 6, the water outlet 13 and the valve cavity 2, and a second step 501 is arranged on the outer wall of one side of the second hard sealing piece 5;
The first hard sealing piece 4 is arranged on one side of the second hard sealing piece 5, a first step 401 is arranged on the outer wall of one side of the first hard sealing piece 4, the first step 401 is tightly clamped with a second step 501, a wear-resistant layer 402 is fixed on the outer wall of one side of the first hard sealing piece 4, which is close to the ball body 3, and the wear-resistant layer 402 is tightly attached to the ball body 3;
Specifically, as the first hard sealing element 4 and the second hard sealing element 5 are arranged at the joint of the water inlet 6 and the water outlet 13 and the valve cavity 2, the second hard sealing element 5 and the valve body 1 are integrally formed, and the first hard sealing element 4 is clamped with the second step 501 on the outer wall of the second hard sealing element 5 through the first step 401, so that the sealing property between the first hard sealing element 4 and the valve body 1 is improved, liquid is not easy to permeate, the wear-resistant layer 402 on the other side of the first hard sealing element 4 is tightly attached to the ball body 3, the first hard sealing element 4 and the ball body 3 are sealed, and the first hard sealing element 4 is made of tungsten steel, has a series of excellent performances such as high hardness, wear resistance, good strength, heat resistance, corrosion resistance and the like, and meanwhile, the wear-resistant layer 402 is made of nickel-based alloy, so that the wear resistance of the first hard sealing element 4 is further improved, and the hard sealing state is always kept between the first hard sealing element 4 and the ball body 3;
A positioning lock disc 12 is fixed at the top end of the valve body 1, and equally spaced lock holes 1201 are formed at the top end of the positioning lock disc 12;
the top of the valve body 1 is provided with a valve rod 10, the top end of the valve rod 10 penetrates through a positioning lock disc 12 and is provided with a handle 11, and the bottom end of the valve rod 10 extends into the valve cavity 2 and is fixedly connected with the ball body 3;
one end of the inside of the handle 11 is provided with a through hole 14, the lock rod 15 is arranged in the through hole 14 in a penetrating way, and the bottom end of the lock rod 15 extends to the inside of the lock hole 1201;
Specifically, after the handle 11 is pulled to a specified state, the lock rod 15 is pressed to separate the second magnet piece 17 from the first magnet piece 16, and the lock rod 15 is inserted into the lock hole 1201 corresponding to the surface of the positioning lock disc 12, so that the handle 11 can be locked, and the mistaken opening or closing caused by mistaken touch can be prevented;
An annular mounting groove 7 is formed in one end of the water inlet 6, and mounting clamping grooves 9 are formed in the inner walls of the annular mounting groove 7;
An annular filter screen 8 is arranged in the annular mounting groove 7;
the edge positions inside the annular filter screen 8 are provided with sliding grooves 801, clamping blocks 802 are slidably arranged inside the sliding grooves 801, and one ends of the clamping blocks 802 extend into the mounting clamping grooves 9;
Specifically, the annular filter screen 8 filters the fluid, and impurities in the annular filter screen 8 are filtered, so that the blockage in the ball valve can be reduced, and the annular filter screen 8 can be detached by pushing the clamping block 802 to separate from the mounting clamping groove 9 and retract into the sliding groove 801, so that the annular filter screen 8 can be cleaned;
the first hard sealing piece 4 and the second hard sealing piece 5 are made of tungsten steel;
the wear-resistant layer 402 is made of nickel-based alloy;
the bottom end of the handle 11 outside the lock rod 15 is fixed with a first magnet sheet 16;
A second magnet piece 17 is fixed on the outer wall of the lock rod 15 below the first magnet piece 16, and the second magnet piece 17 is magnetically attracted with the first magnet piece 16.
When the embodiment of the application is used, the following steps are adopted: firstly, the handle 11 is pulled to enable the valve rod 10 to rotate, the valve rod 10 drives the ball body 3 to rotate, so that the opening and closing state of the ball valve can be controlled, and the fluid can be regulated and controlled, as the first hard sealing element 4 and the second hard sealing element 5 are arranged at the joint of the water inlet 6, the water outlet 13 and the valve cavity 2, the second hard sealing element 5 and the valve body 1 are integrally formed, the first hard sealing element 4 is clamped with the second step 501 on the outer wall of the second hard sealing element 5 through the first step 401, the tightness between the first hard sealing element 4 and the valve body 1 is improved, liquid seepage is not easy, the wear-resisting layer 402 on the other side of the first hard sealing element 4 is tightly attached to the ball body 3, the first hard sealing element 4 and the ball body 3 are sealed, the first hard sealing element 4 is made of tungsten steel, and has a series of excellent performances such as high hardness, wear resistance, good strength and toughness, heat resistance, corrosion resistance and the like, meanwhile, the wear-resistant layer 402 is made of nickel-based alloy, and has good wear resistance, so that the wear resistance of the first hard sealing element 4 is further improved, the first hard sealing element 4 and the ball body 3 always maintain a hard sealing state, then, after the handle 11 is wrenched to a specified state, the lock rod 15 is pressed to separate the second magnet piece 17 from the first magnet piece 16, the lock rod 15 is inserted into the lock hole 1201 corresponding to the surface of the positioning lock disc 12, the handle 11 can be locked, thereby preventing false opening or closing caused by false collision, and circulation is conducted from the water inlet 6 into the valve cavity 2, after passing through the circulation channel inside the ball body 3, the circulation is conducted through the water outlet 13, wherein the annular filter screen 8 filters the fluid, impurities inside the circulation are filtered down, thereby reducing the blockage inside the ball valve, the annular filter 8 can be removed by pushing the clamp block 802 to release from the mounting clamp groove 9 and retract into the slide groove 801, so that the annular filter 8 can be cleaned.
Claims (8)
1. The utility model provides an alloy hard seal ball valve which is characterized in that, including valve body (1), spheroid (3), first hard seal (4), second hard seal (5) and locking lever (15), spheroid (3) set up in valve pocket (2) of valve body (1) inside, one end of valve body (1) is provided with water inlet (6), just the other end of valve body (1) is provided with delivery port (13), delivery port (13) all communicate with valve pocket (2) with water inlet (6), second hard seal (5) are fixed in the junction of water inlet (6), delivery port (13) and valve pocket (2), and be provided with second step (501) on the outer wall of second hard seal (5) one side, first hard seal (4) set up in one side of second hard seal (5), just first step (401) and second step (501) close to block on the outer wall of first hard seal (4) one side, sphere (3) are close to be close to the junction of valve body (3) and are fixed with wear-resisting layer (402) on the outer wall of first hard seal (4) one side, wear-resisting layer (402) are fixed in advance, wear-resisting layer (402) is laminated with wear-resisting layer (12), and the top of location lock dish (12) all is provided with equidistant lockhole (1201), valve rod (10) are installed at the top of valve body (1), just the top of valve rod (10) runs through location lock dish (12) and installs handle (11), and the bottom of valve rod (10) extends to the inside of valve pocket (2) and with spheroid (3) fixed connection, the inside one end of handle (11) is provided with through-hole (14), establish the inside at through-hole (14) in the lock lever (15) is worn, and the bottom of lock lever (15) extends to the inside of lockhole (1201).
2. The alloy hard sealing ball valve according to claim 1, wherein one end of the water inlet (6) is provided with an annular mounting groove (7), and mounting clamping grooves (9) are formed in the inner walls of the annular mounting groove (7).
3. An alloy hard seal ball valve according to claim 2, characterized in that an annular filter screen (8) is provided inside the annular mounting groove (7).
4. The alloy hard sealing ball valve according to claim 3, wherein sliding grooves (801) are formed in the edge positions of the inside of the annular filter screen (8), clamping blocks (802) are slidably mounted in the sliding grooves (801), and one ends of the clamping blocks (802) extend into the mounting clamping grooves (9).
5. An alloy hard seal ball valve according to claim 1, wherein the first hard seal (4) and the second hard seal (5) are both tungsten steel.
6. The alloy hard seal ball valve according to claim 1, wherein said wear resistant layer (402) is a nickel-based alloy.
7. The alloy hard sealing ball valve according to claim 1, wherein a first magnet sheet (16) is fixed at the bottom end of a handle (11) at the outer side of the lock rod (15).
8. The alloy hard sealing ball valve of claim 7, wherein a second magnet piece (17) is fixed on the outer wall of the lock rod (15) below the first magnet piece (16), and the second magnet piece (17) is magnetically attracted with the first magnet piece (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422015974.9U CN222894692U (en) | 2024-08-20 | 2024-08-20 | A alloy hard seal ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422015974.9U CN222894692U (en) | 2024-08-20 | 2024-08-20 | A alloy hard seal ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222894692U true CN222894692U (en) | 2025-05-23 |
Family
ID=95720210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422015974.9U Active CN222894692U (en) | 2024-08-20 | 2024-08-20 | A alloy hard seal ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222894692U (en) |
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2024
- 2024-08-20 CN CN202422015974.9U patent/CN222894692U/en active Active
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