CN213628994U - Ball valve structure convenient to overhaul - Google Patents
Ball valve structure convenient to overhaul Download PDFInfo
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- CN213628994U CN213628994U CN202022595269.2U CN202022595269U CN213628994U CN 213628994 U CN213628994 U CN 213628994U CN 202022595269 U CN202022595269 U CN 202022595269U CN 213628994 U CN213628994 U CN 213628994U
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Abstract
The utility model provides a ball valve structure convenient for maintenance, which comprises a valve body, a valve seat structure, a C-shaped ball body, a lower shaft and a valve cover, wherein the valve body is integrally arranged and is provided with a valve cavity, and the upper part of the valve cavity is provided with an upper opening; the valve cover is arranged at the upper opening position in the vertical direction; the valve body is integrally arranged, after the ball valve is installed, the positions connected with the fluid inlet and the fluid outlet of the ball valve are fixed, when the ball valve needs to be overhauled, parts in the valve cavity can be overhauled only by detaching the valve cover from the valve body, and pipelines at the positions of the fluid inlet and the fluid outlet at the two ends of the ball valve do not need to be moved or detached, so that the workload is reduced, and the working efficiency is improved; in addition, the C-shaped ball body has a certain distance from the inner wall of the valve body, which faces to the fluid outlet side, so that the C-shaped ball body can move back and forth in the valve cavity along the direction close to or far away from the valve seat structure, and the C-shaped ball body is convenient to install and enter the valve body integrally arranged.
Description
Technical Field
The utility model relates to a ball valve technical field, concretely relates to ball valve structure of convenient maintenance.
Background
Eccentric hemisphere valve (C type ball valve), including valve body, valve rod and eccentric hemisphere usually, valve rod one end is worn to locate inside and eccentric hemisphere fixed connection of valve body, and the valve rod other end is provided with drive arrangement, and drive arrangement is through driving the valve rod, and then drives eccentric hemisphere and rotate in the valve body is inside, plays the effect of opening or closing fluid passage.
Eccentric half-ball valve among the prior art, the mounting means of eccentric hemisphere is the side dress usually, when needs overhauld the structure of ball valve inside, need dismantle disk seat and valve body from the side of eccentric half-ball valve to move aside a certain distance, this leads to and need do corresponding removal or dismantlement with the pipeline that valve ball both ends are imported and exported and are linked to each other, and work load is big, and the dismouting is inefficient, and based on same reason, the inside clean maintenance of valve ball is also very loaded down with trivial details.
Therefore, an object of the utility model is to provide a ball valve structure of convenient maintenance to dismouting work load when reducing the maintenance improves work efficiency.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the eccentric ball valve among the prior art and is the side dress usually, and work load is big during the maintenance dismouting, the technical defect of inefficiency to a dismouting work load when can reducing the maintenance is provided, work efficiency's ball valve structure is improved.
Therefore, the utility model provides a ball valve structure of convenient maintenance, include:
the valve body is integrally arranged and provided with a valve cavity, and a fluid inlet and a fluid outlet which are communicated with the valve cavity; an upper opening is formed in the upper part of the valve cavity;
a valve seat structure mounted on a side of the valve cavity facing the fluid inlet and having a valve seat sealing surface;
the C-shaped ball body is detachably arranged in the valve cavity and is provided with a valve ball sealing surface which can be matched and sealed with the valve seat sealing surface; the C-shaped ball body is away from the inner wall of the valve body on the side facing the fluid outlet at a certain distance, so that the C-shaped ball body can move back and forth in the valve cavity along the direction close to or far away from the valve seat structure to facilitate installation;
the lower shaft is arranged at the bottom of the valve cavity and is rotatably connected with the bottom of the C-shaped sphere;
the valve cover is detachably arranged at the position of the upper opening, and the middle part of the valve cover is provided with an insertion through hole for the valve rod to penetrate.
As a preferred scheme, the valve further comprises an annular pressure plate which is detachably arranged on the valve body and used for limiting and fixing the valve seat structure.
As a preferable scheme, a first step which is away from the C-shaped sphere by a certain distance is arranged at the outer edge of the valve seat structure, an annular recess is formed in the end, closest to the C-shaped sphere, of the first step, opposite to the valve seat structure, the annular pressure plate is provided with a second step, and the second step is inserted into the annular recess and then abuts against the first step.
Preferably, the valve cover is fixedly connected with the upper opening of the valve body through a plurality of bolts.
As a preferable scheme, the method further comprises the following steps:
the first positioning holes are provided with a plurality of first positioning holes and are arranged on the valve cover;
the second positioning hole corresponds to the first positioning hole and is arranged around the upper opening of the valve body;
and the positioning pin is inserted into the second positioning hole through the first positioning hole when the valve cover rotates to a target position, so that the valve cover is positioned.
Preferably, the joint of the valve cover and the valve body is higher than the top of the C-shaped sphere by a certain distance.
Preferably, the inner diameter of the upper opening is 1.3 to 1.5 times the width of the C-shaped sphere.
Preferably, the lower shaft is detachably mounted to the bottom of the valve body.
As a preferable scheme, a sleeve is sleeved on the periphery of the part of the lower shaft inserted into the C-shaped sphere, and an adjusting gasket is arranged at the end part of the lower shaft.
The technical scheme provided by the utility model, following advantage has:
1. the utility model discloses a ball valve structure, which comprises a valve body, a valve seat structure, a C-shaped ball body, a lower shaft and a valve cover, wherein the valve body is integrally arranged and is provided with a valve cavity, and the upper part of the valve cavity is provided with an upper opening; the valve cover is arranged at the upper opening position in the vertical direction; the valve body is integrally arranged, after the ball valve is installed, the positions connected with the fluid inlet and the fluid outlet of the ball valve are fixed, when the ball valve needs to be overhauled, parts in the valve cavity can be overhauled only by detaching the valve cover from the valve body, and pipelines at the positions of the fluid inlet and the fluid outlet at the two ends of the ball valve do not need to be moved or detached, so that the workload is reduced, and the working efficiency is improved; in addition, the C-shaped ball body has a certain distance from the inner wall of the valve body, which faces to the fluid outlet side, so that the C-shaped ball body can move back and forth in the valve cavity along the direction close to or far away from the valve seat structure, and the C-shaped ball body is convenient to install and enter the valve body integrally arranged.
2. The utility model discloses a ball valve structure, still include annular clamp plate, detachably install on the valve body, spacing fixed valve seat structure, further, the outer fringe of valve seat structure is equipped with the first step of keeping away from C type spheroid certain distance, the end portion that is closest to C type spheroid of the relative valve seat structure of first step has annular sunken; the annular pressing plate is provided with the second step, the second step is inserted into the annular recess and is abutted against the first step, the position of the valve seat structure can be limited, the annular pressing plate can be prevented from protruding more towards the direction of the C-shaped ball body, and the influence on the rotation of the C-shaped ball body is avoided under the condition of ensuring the limiting strength.
3. In the ball valve structure of the utility model, the valve cover is arranged at the upper opening position of the valve body through a plurality of bolts and nuts; furthermore, a plurality of first positioning holes are formed in the valve cover, a plurality of second positioning holes are formed in the periphery of the upper opening of the valve body, after the valve cover is placed at the position of the upper opening of the valve body, the valve cover is rotated to enable the first positioning holes to be opposite to the second positioning holes, then the positioning pins are placed in the valve cover to position the valve cover and the valve body, and then the bolt and the nut are used for completing fixed connection; so set up, can guarantee fixed connection's accuracy, reduce the error.
4. In the ball valve structure of the utility model, the inner diameter of the upper opening is 1.3-1.5 times of the width of the C-shaped ball body, which is convenient for the installation and the disassembly of the C-shaped ball body; the C-shaped sphere width refers to the maximum width in the left-right direction shown in fig. 1.
5. The utility model discloses a ball valve structure, on the inside part of the C type spheroid of inserting of lower shaft, peripheral cover is equipped with the axle sleeve, is convenient for rotate with C type spheroid to be connected, and the tip is equipped with adjusting shim, and the adjustment of being convenient for supports the spheroidal height of C type.
Drawings
In order to more clearly illustrate the technical solutions in the prior art or the embodiments of the present invention, the drawings used in the description of the prior art or the embodiments are briefly introduced below.
Fig. 1 is a schematic view of the overall structure of the ball valve structure of the present invention.
Fig. 2 is an enlarged schematic view of a portion a of fig. 1.
Reference numerals: 1. a valve body; 10. a valve cavity; 11. a fluid inlet; 12. a fluid outlet; 13. an upper opening; 14. a second positioning hole; 2. a valve seat structure; 21. a valve seat sealing surface; 22. a first step; 23. an annular recess; 3. a C-shaped sphere; 31. a valve ball sealing surface; 4. a lower shaft; 41. a shaft sleeve; 42. adjusting the gasket; 5. a valve cover; 50. inserting into the through hole; 51. a first positioning hole; 52. positioning pins; 6. an annular pressure plate; 61. a second step.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the accompanying drawings.
Examples
This embodiment provides a ball valve structure of convenient maintenance, as shown in fig. 1, includes: the valve comprises a valve body 1, a valve cavity 10, a fluid inlet 11 and a fluid outlet 12, wherein the fluid inlet 11 and the fluid outlet 12 are communicated with the valve cavity 10; an upper opening 13 is formed in the upper part of the valve cavity 10; a valve seat structure 2, which is installed on the side of the valve cavity 10 facing the fluid inlet 11 and has a valve seat sealing surface 21; a C-shaped ball 3 which is detachably mounted in the valve cavity 10 and has a valve ball sealing surface 31 which can be matched and sealed with the valve seat sealing surface 21; the C-shaped ball 3 is at a distance from the inner wall of the valve body 1 on the side facing the fluid outlet 12, so that the C-shaped ball 3 can move back and forth inside the valve chamber 10 in a direction close to or away from the valve seat structure 2 for convenient installation; the lower shaft 4 is arranged at the bottom of the valve cavity 10 and is rotatably connected with the bottom of the C-shaped sphere 3; the valve cover 5 is detachably arranged at the position of the upper opening 13, and the middle part of the valve cover is provided with an insertion through hole 50 for the valve rod to penetrate.
In the ball valve structure of the embodiment, the valve cover 5 is arranged at the position of the upper opening 13 in the vertical direction; the valve body 1 is integrally arranged, after the ball valve is installed, the positions connected with the fluid inlet 11 and the fluid outlet 12 of the ball valve are fixed, when the ball valve needs to be overhauled, parts in the valve cavity 10 can be overhauled only by detaching the valve cover 5 from the valve body 1, and pipelines at the positions of the fluid inlet 11 and the fluid outlet 12 at two ends of the ball valve do not need to be moved or detached, so that the workload is reduced, and the working efficiency is improved; in addition, the C-shaped ball 3 is away from the inner wall of the valve body 1 on the side facing the fluid outlet 12 by a certain distance, so that the C-shaped ball 3 can move back and forth in the valve cavity 10 along the direction close to or away from the valve seat structure 2, and the C-shaped ball 3 is convenient to install and enter the valve body 1 which is integrally arranged.
The valve seat structure also comprises an annular pressing plate 6 which is detachably arranged on the valve body 1 and is used for limiting and fixing the valve seat structure 2. As shown in fig. 2, a first step 22 is disposed at the outer edge of the valve seat structure 2 and away from the C-shaped ball 3, an annular recess 23 is disposed at the end of the first step 22, which is closest to the C-shaped ball 3, opposite to the valve seat structure 2, and the annular pressure plate 6 has a second step 61, and the second step 61 is inserted into the annular recess 23 and abuts against the first step 22. So set up, both can realize spacing to disk seat structure 2, can avoid annular pressure plate 6 again to be outstanding more towards C type spheroid 3's direction, and then avoid causing the influence to C type spheroid 3's rotation under the circumstances of guaranteeing spacing intensity.
The valve cover 5 is fixedly connected with the upper opening 13 of the valve body 1 through a plurality of bolts. Further comprising: a plurality of first positioning holes 51 arranged on the valve cover 5; a second positioning hole 14 provided around the upper opening 13 of the valve body 1 corresponding to the first positioning hole 51; and a positioning pin 52 inserted into the second positioning hole 14 through the first positioning hole 51 when the valve cap 5 is rotated to a target position, thereby positioning the valve cap 5. After the valve cover 5 is placed at the position of the upper opening 13 of the valve body 1, firstly, the valve cover 5 is rotated to enable the first positioning hole 51 to be opposite to the second positioning hole 14, then, the positioning pin 52 is placed in, the positions of the valve cover 5 and the valve body 1 are positioned, and then, the bolt and the nut are used for completing the fixed connection; so set up, can guarantee fixed connection's accuracy, reduce the error.
The joint of the valve cover 5 and the valve body 1 is higher than the top of the C-shaped sphere 3 by a certain distance. A large space is reserved, so that the C-shaped ball body 3 can be conveniently mounted and dismounted, and other parts in the valve cavity 10 can be conveniently checked, mounted and dismounted. Preferably, the inner diameter of the upper opening 13 is 1.3 to 1.5 times the width of the C-shaped sphere 3. The operation of the C-shaped sphere 3 can be further facilitated.
The lower shaft 4 is detachably mounted at the bottom of the valve body 1. The lower shaft 4 is inserted into the inner part of the C-shaped sphere 3, the periphery of the lower shaft is sleeved with a shaft sleeve 41 which is convenient to be connected with the C-shaped sphere 3 in a rotating mode, and the end part of the lower shaft is provided with an adjusting gasket 42 which is convenient to adjust and support the height of the C-shaped sphere.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (9)
1. The utility model provides a ball valve structure of convenient maintenance which characterized in that: the method comprises the following steps:
the valve body (1) is integrally arranged and is provided with a valve cavity (10), and a fluid inlet (11) and a fluid outlet (12) which are communicated with the valve cavity (10); an upper opening (13) is arranged at the upper part of the valve cavity (10);
a valve seat structure (2) mounted on a side of the valve chamber (10) facing the fluid inlet (11) and having a valve seat sealing surface (21);
the C-shaped ball body (3) is detachably arranged in the valve cavity (10) and is provided with a valve ball sealing surface (31) which can be matched and sealed with the valve seat sealing surface (21); the C-shaped ball (3) is at a certain distance from the inner wall of the valve body (1) on the side facing the fluid outlet (12), so that the C-shaped ball (3) can move back and forth in the valve cavity (10) along the direction close to or far away from the valve seat structure (2) for convenient installation;
the lower shaft (4) is arranged at the bottom of the valve cavity (10) and is rotatably connected with the bottom of the C-shaped sphere (3);
the valve cover (5) is detachably arranged at the position of the upper opening (13), and the middle part of the valve cover is provided with an insertion through hole (50) for the valve rod to penetrate.
2. The ball valve structure of claim 1, wherein: the valve seat structure is characterized by further comprising an annular pressing plate (6), wherein the annular pressing plate is detachably mounted on the valve body (1) and is used for limiting and fixing the valve seat structure (2).
3. The ball valve structure of claim 2, wherein: the outer edge of the valve seat structure (2) is provided with a first step (22) which is far away from the C-shaped ball body (3) by a certain distance, the end part, closest to the C-shaped ball body (3), of the first step (22) relative to the valve seat structure (2) is provided with an annular recess (23), the annular pressing plate (6) is provided with a second step (61), and the second step (61) is inserted into the annular recess (23) and then is abutted to the first step (22).
4. The ball valve structure of claim 1, wherein: the valve cover (5) is fixedly connected with the upper opening (13) of the valve body (1) through a plurality of bolts.
5. The ball valve structure of claim 4, wherein: further comprising:
a plurality of first positioning holes (51) arranged on the valve cover (5);
a second positioning hole (14) corresponding to the first positioning hole (51) and provided around the upper opening (13) of the valve body (1);
and the positioning pin (52) is inserted into the second positioning hole (14) through the first positioning hole (51) when the valve cover (5) rotates to a target position, so that the valve cover (5) is positioned.
6. The ball valve structure of claim 4, wherein: the joint of the valve cover (5) and the valve body (1) is higher than the top of the C-shaped sphere (3) by a certain distance.
7. The ball valve structure of claim 1, wherein: the inner diameter of the upper opening (13) is 1.3-1.5 times of the width of the C-shaped sphere (3).
8. The ball valve structure of claim 1, wherein: the lower shaft (4) is detachably arranged at the bottom of the valve body (1).
9. The ball valve structure of claim 8, wherein: the lower shaft (4) is inserted into the C-shaped sphere (3), a shaft sleeve (41) is sleeved on the periphery of the lower shaft, and an adjusting gasket (42) is arranged at the end of the lower shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022595269.2U CN213628994U (en) | 2020-11-11 | 2020-11-11 | Ball valve structure convenient to overhaul |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022595269.2U CN213628994U (en) | 2020-11-11 | 2020-11-11 | Ball valve structure convenient to overhaul |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213628994U true CN213628994U (en) | 2021-07-06 |
Family
ID=76632086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022595269.2U Active CN213628994U (en) | 2020-11-11 | 2020-11-11 | Ball valve structure convenient to overhaul |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213628994U (en) |
-
2020
- 2020-11-11 CN CN202022595269.2U patent/CN213628994U/en active Active
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