CN219827781U - Self-adaptive sealing ball valve - Google Patents
Self-adaptive sealing ball valve Download PDFInfo
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- CN219827781U CN219827781U CN202320972350.9U CN202320972350U CN219827781U CN 219827781 U CN219827781 U CN 219827781U CN 202320972350 U CN202320972350 U CN 202320972350U CN 219827781 U CN219827781 U CN 219827781U
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- pressing
- valve seat
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- 238000007789 sealing Methods 0.000 title claims abstract description 61
- 238000003825 pressing Methods 0.000 claims abstract description 55
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 230000007423 decrease Effects 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 10
- 238000007906 compression Methods 0.000 description 10
- 230000003044 adaptive effect Effects 0.000 description 7
- 239000012535 impurity Substances 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a self-adaptive sealing ball valve, which comprises a valve body, a valve rod and a valve ball, wherein the valve ball is rotatably arranged in the valve body, one end of the valve rod is connected with the valve ball, the other end of the valve rod penetrates out of the valve body, valve seat components are arranged on two sides of the valve ball, an installation groove is formed in the valve body, the valve seat components comprise a self-adaptive wave plate, a pressing mechanism and a hollow valve seat body, the self-adaptive wave plate is provided with a movable edge and a fixed edge, the valve seat body is provided with a sealing surface matched with the spherical surface of the valve ball, the valve seat body is fixed with the movable edge of the self-adaptive wave plate in a sealing way, the fixed edge of the self-adaptive wave plate is fixed with the valve body in a sealing way, and the pressing mechanism is used for pressing the valve seat body; the compressing mechanism can ensure that the valve seat body compresses and seals the sphere of the valve ball, so that the tightness of the ball valve is ensured. The self-adaptive wave plate has deformation capability and can deform along with the movement of the valve seat body, so that the sealing performance among the valve seat body, the self-adaptive wave plate and the valve body is reliable.
Description
Technical Field
The utility model relates to the field of ball valves, in particular to a self-adaptive sealing ball valve.
Background
The ball valve is driven by the valve rod and rotates around the axis of the ball valve, and can be used for adjusting and controlling fluid, and the ball valve is widely applied to industries such as petroleum refining, long-distance pipeline, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel and the like. The surface roughness, roundness and the matching precision of the ball valve core and the valve body are one of the main factors influencing the valve sealing. Certain errors exist in the polishing process of the valve core and the polishing process of the valve body, and installation errors exist in the installation process, so that the sealing performance of the ball valve is reduced due to the accumulation of the errors. Through the long-term use, some intractable impurities adhere to the surface of the valve ball to cause abrasion to be increased, so that the tightness is deteriorated. The utility model provides an adaptive sealing ball valve to solve the problems.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the self-adaptive sealing ball valve can keep the valve seat and the valve ball tightly attached and has good sealing performance.
In order to solve the technical problems, the utility model is solved by the following technical scheme: the utility model provides a self-adaptation sealed ball valve, includes valve body, valve rod and valve ball, the valve ball rotate and set up in the valve body, valve rod one end be connected with the valve ball, the other end wear out the valve body, the both sides of valve ball all are provided with valve seat subassembly, the inside mounting groove that is used for assembling valve seat subassembly that is provided with of valve body, valve seat subassembly include self-adaptation wave plate, hold-down mechanism and hollow valve seat body, self-adaptation wave plate be provided with movable edge and fixed edge, the valve seat body be provided with the sphere matched with of valve ball sealed face, the valve seat body is fixed with the activity edge seal of self-adaptation wave plate, the fixed edge seal of self-adaptation wave plate with the valve body, hold-down mechanism be used for compressing tightly the valve seat body and make sealed laminating with the sphere seal of valve ball.
Further, a valve sleeve is arranged in the valve body, the valve seat body is movably sleeved outside the valve sleeve, and the mounting groove is arranged between the valve sleeve and the valve body; the valve seat has the advantages that the valve sleeve can play a role in guiding and assembling the valve seat body, and the assembly efficiency is improved.
Further, the compressing mechanism comprises a compressing ring movably sleeved on the outer side of the valve sleeve, the compressing ring is provided with a plurality of compressing holes uniformly distributed around the axis of the compressing ring, compressing springs are arranged in the compressing holes and respectively abutted against the compressing ring and the valve body, and the compressing ring compresses one end of the valve seat body far away from the valve ball; the ball valve has the advantages that the valve seat body can be reliably pressed through the pressing ring, so that the valve seat body is in sealing fit with the valve ball, the tightness of the ball valve is guaranteed, and the pressing holes which are uniformly arranged and the pressing springs which are matched with the pressing holes can provide uniform and reliable pressing force for the pressing ring.
Further, the valve seat body is provided with a pressing part, a gap is formed between the pressing part and the valve sleeve, the movable edge of the self-adaptive wave plate is provided with a fixing part extending into the gap, the fixing part and the pressing part are sealed and fixed, and the movable edge is positioned between the pressing part and the pressing ring; the self-adaptive wave plate has the advantages that the sealing performance of the valve seat body and the self-adaptive wave plate is improved through the cooperation of the compression part and the fixing part, and the movable edge is arranged between the compression part and the compression ring, so that the movable edge can be reliably closely connected with the compression part.
Further, the pressing part is provided with a first inclined plane corresponding to the self-adaptive wave plate, and a gap is reserved between the first inclined plane and the wave surface of the self-adaptive wave plate; the self-adaptive wave plate has the advantages that interference with the self-adaptive wave plate when the valve seat body moves can be avoided through the arranged first inclined plane, so that the service life and reliability of the self-adaptive wave plate are improved, and sealing, welding and fixing between the self-adaptive wave plate and the valve seat body are facilitated.
Further, the valve sleeve is movably embedded in the valve body, the outer side arm of the valve sleeve is in sealing fit with the valve body, a limit edge is arranged in the valve seat body, and the limit edge abuts against the valve sleeve; the valve seat has the advantages that the valve sleeve and the valve ball can be separated through the arranged limiting edges, and meanwhile, the valve sleeve can be driven to move when the valve seat body moves, so that interference contact between the valve sleeve and the valve ball is avoided.
Further, the front end of the valve seat body is provided with a stripping ring, the stripping ring is attached to the spherical surface of the valve ball, and the thickness of the stripping ring gradually decreases from the valve seat body to the valve ball; the valve seat has the advantages that impurities on the surface of the valve ball can be cleaned through the stripping ring, so that the abrasion between the valve seat body and the valve ball is prevented from being aggravated due to the fact that the impurities are attached to the stripping ring.
Still further, the mounting groove in still be provided with fixed establishment, fixed establishment include seal clamp plate, jump ring and tight fixed plate, the valve body seted up the draw-in groove, the jump ring inlay establish in the draw-in groove, seal clamp plate press and establish on fixed edge, tight fixed plate set up between jump ring and seal clamp plate, tight fixed plate set up a plurality of screw holes around its axis evenly distributed, tight fixed plate spiro union have tight fixed bolt, tight fixed bolt with seal clamp plate counterbalance, tight fixed plate with the jump ring counterbalance tightly; the self-adaptive wave plate pressing device has the advantages that the self-adaptive wave plate pressing device can reliably press the fixed edge of the self-adaptive wave plate through the arranged fixing mechanism, namely, the self-adaptive wave plate is pressed and fixed edge through the sealing pressing plate, so that the self-adaptive wave plate is in sealing fit with the valve body support, and meanwhile, the clamping spring, the fastening plate and the fastening bolt are matched to provide even and reliable pressing force for the sealing pressing plate.
Further, the sealing pressing plate is provided with a second inclined plane which is matched with the self-adaptive wave plate; the self-adaptive wave plate has the advantages that the setting reliability of the self-adaptive wave plate can be effectively improved through the second inclined plane, and interference between the self-adaptive wave plate and the sealing pressing plate is avoided.
Compared with the prior art, the utility model has the following beneficial effects: the pressing mechanism can ensure that the valve seat body presses and seals the ball surface attached to the valve ball when the valve ball has machining errors or is worn due to impurities, so that the sealing reliability of the ball valve is ensured. The self-adaptive wave plate that sets up simultaneously has certain deformability, can change shape along with the removal of disk seat body to make the sealing performance between disk seat body, self-adaptive wave plate and the valve body reliable, avoid the disk seat body that the fixed setting in traditional mode can't carry out the initiative compensation after wearing and tearing and lead to sealing capability decline.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
FIG. 4 is a schematic view showing the valve seat body and the hold-down mechanism of the present utility model;
FIG. 5 is a schematic view of the structure of the valve seat body of the present utility model;
FIG. 6 is a schematic cross-sectional view of FIG. 5;
FIG. 7 is a schematic diagram of the adaptive waveplate of the present utility model;
fig. 8 is a schematic cross-sectional structure of fig. 7.
Detailed Description
The present utility model is described in further detail below with reference to the accompanying drawings.
The following description is presented to enable one of ordinary skill in the art to practice the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the utility model defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.
It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. indicate orientations or positions based on the orientation or positional relationship shown in the drawings, which are merely for convenience in describing the present simplified description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus the above terms are not to be construed as limiting the present utility model.
The self-adaptive sealing ball valve comprises a valve body 1, a valve rod 3 and a valve ball 2, wherein the valve body 1 and the valve ball 2 are respectively provided with a channel, the valve ball 2 is rotatably arranged in the valve body 1, one end of the valve rod 3 is connected with the valve ball 2, the other end of the valve rod penetrates out of the valve body 1, and the valve rod 3 drives the valve ball 2 to rotate so as to open or close the channels. The valve seat assembly 4 is arranged on two sides of the valve ball 2, the mounting groove 1.1 used for assembling the valve seat assembly 4 is arranged in the valve body 1, the valve seat assembly 4 comprises a self-adaptive wave plate 4.2, a pressing mechanism 5 and a hollow valve seat body 4.1, the self-adaptive wave plate 4.2 is provided with a movable edge 4.22 and a fixed edge 4.21, the valve seat body 4.1 is provided with a sealing surface matched with the spherical surface of the valve ball 2, the valve seat body 4.1 and the movable edge 4.22 of the self-adaptive wave plate 4.2 are fixed in a sealing manner, the fixed edge 4.21 of the self-adaptive wave plate 4.2 is fixed in a sealing manner with the valve body 1, the pressing mechanism 5 is used for pressing the valve seat body 4.1 to enable sealing to be jointed with the spherical surface of the valve ball 2 in a sealing manner, and the set pressing mechanism 5 can ensure that the valve seat body 4.1 presses the spherical surface of the valve ball 2 in a sealing manner when the valve ball 2 has processing errors or is worn due to impurities, so that sealing reliability of the ball valve is ensured. The self-adaptive wave plate 4.2 that sets up simultaneously has certain deformability, can change shape along with the removal of disk seat body 4.1 to make the sealing performance between disk seat body 4.1, self-adaptive wave plate 4.2 and the valve body 1 reliable, avoid the disk seat body 4.1 of fixed setting in traditional mode can't carry out the initiative compensation after wearing and tearing and lead to sealing capability decline.
On the basis of the above, the valve body 1 is also provided with a hollow valve sleeve 6, the hollow part of the valve sleeve 6 corresponds to the channel of the valve ball 2, the annular valve seat body 4.1 is movably sleeved outside the valve sleeve 6, and the mounting groove 1.1 is arranged between the valve sleeve 6 and the valve body 1. Wherein, hold-down mechanism 5 includes the movable sleeve establishes the clamp ring 5.1 in the valve pocket 6 outside, clamp ring 5.1 is provided with a plurality of around its axis evenly distributed's hold-down hole 5.2, be provided with hold-down spring 5.3 in the hold-down hole 5.2, hold-down spring 5.3 offsets tightly with clamp ring 5.1 and valve body 1 respectively, clamp ring 5.1 pressure is established in the one end that valve seat body 4.1 kept away from valve ball 2, the clamp ring 5.1 of setting can reliably compress tightly valve seat body 4.1, thereby make valve seat body 4.1 and valve ball 2 seal laminating, guarantee the leakproofness of ball valve, and the hold-down spring 5.3 in the hold-down hole 5.2 of even setting and the cooperation hold-down hole 5.2 can provide even reliable clamp force for clamp ring 5.1.
On the basis of the above, the end part of the valve seat body 4.1 matched with the compression ring 5.1 is provided with the compression part 4.11, a gap is formed between the compression part 4.11 and the valve sleeve 6, the movable edge 4.22 of the self-adaptive wave plate 4.2 is provided with the fixed part 4.23 extending into the gap, the fixed part 4.23 is fixed with the compression part 4.11 in a sealing way, and the movable edge 4.22 is positioned between the compression part 4.11 and the compression ring 5.1. It should be noted that, the compressing portion 4.11 is provided with a first inclined plane 4.14 corresponding to the adaptive wave plate 4.2, a gap is formed between the first inclined plane 4.14 and the waveform surface of the adaptive wave plate 4.2, and interference with the adaptive wave plate 4.2 when the valve seat body 4.1 moves can be avoided through the set first inclined plane 4.14, so that the service life and reliability of the adaptive wave plate 4.2 are improved, and sealing, welding and fixing between the adaptive wave plate 4.2 and the valve seat body 4.1 are facilitated.
It should be noted that, the valve sleeve 6 is movably embedded in the valve body 1, and the outer side arm of the valve sleeve 6 is in sealing fit with the valve body 1, meanwhile, a limit edge 4.12 is arranged in the valve seat body 4.1, the limit edge 4.12 abuts against the valve sleeve 6, the valve sleeve 6 and the valve ball 2 can be separated through the arranged limit edge 4.12, and meanwhile, the valve sleeve 6 can be driven to move when the valve seat body 4.1 moves, so that interference contact between the valve sleeve 6 and the valve ball 2 is avoided.
In order to ensure the surface finish of the valve ball 2, the front end of the valve seat body 4.1 is provided with the stripping ring 4.13, the stripping ring 4.13 is attached to the spherical surface of the valve ball 2, the thickness of the stripping ring 4.13 is gradually reduced from the valve seat body 4.1 to the valve ball 2, and the stripping ring 4.13 can clean impurities on the surface of the valve ball 2 so as to avoid the aggravation of abrasion between the valve seat body 4.1 and the valve ball 2 caused by the adhesion of the impurities.
In order to improve the sealing reliability between the self-adaptive wave plate 4.2 and the valve body 1, a fixing mechanism 7 is arranged in the mounting groove 1.1, the fixing mechanism 7 comprises a sealing pressing plate 7.1, a clamping spring 7.2 and a fastening plate 7.3, the valve body 1 is provided with a clamping groove, the clamping spring 7.2 is embedded in the clamping groove, the sealing pressing plate 7.1 is pressed on the fixing edge 4.21, the fastening plate 7.3 is arranged between the clamping spring 7.2 and the sealing pressing plate 7.1, the fastening plate 7.3 is provided with a plurality of threaded holes uniformly distributed around the axis of the fastening plate, the fastening plate 7.3 is in threaded connection with a fastening bolt 7.4, the fastening bolt 7.4 is abutted against the sealing pressing plate 7.1, the fastening plate 7.3 is abutted against the clamping spring 7.2, and the fixing mechanism 7 can reliably press the fixing edge 4.21 of the self-adaptive wave plate 4.2, namely the fixing edge 4.21 is pressed through the sealing pressing plate 7.1, so that the self-adaptive wave plate 4.2 is in sealing fit with a valve body 1 bracket, and the fastening plate 7.2 is simultaneously provided with the fastening bolt 7.3 and the fastening plate 7.4 can provide uniform pressing force.
On the basis of the above, the sealing pressing plate 7.1 is provided with the second inclined plane 7.11 corresponding to the self-adaptive wave plate 4.2, and the setting reliability of the self-adaptive wave plate 4.2 can be effectively improved through the set second inclined plane 7.11, so that interference between the self-adaptive wave plate 4.2 and the sealing pressing plate 7.1 is avoided.
It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are by way of example only and are not limiting. The objects of the present utility model have been fully and effectively achieved. The functional and structural principles of the present utility model have been shown and described in the examples and embodiments of the utility model may be modified or practiced without departing from the principles described.
Claims (9)
1. The utility model provides a self-adaptation sealed ball valve, includes valve body, valve rod and valve ball, the valve ball rotate and set up in the valve body, valve rod one end be connected with the valve ball, the other end wears out the valve body, its characterized in that, the both sides of valve ball all are provided with valve seat subassembly, the inside mounting groove that is used for assembling valve seat subassembly that is provided with of valve body, valve seat subassembly include self-adaptation wave plate, hold-down mechanism and hollow valve seat body, self-adaptation wave plate be provided with movable edge and fixed edge, the valve seat body be provided with the sphere matched with of valve ball sealed face, the valve seat body is sealed fixed along the movable edge of self-adaptation wave plate with the valve body sealed fixed, hold-down mechanism be used for compressing tightly the valve seat body and make sealed laminating with the sphere of valve ball sealed.
2. The self-adaptive sealing ball valve according to claim 1, wherein a valve sleeve is arranged in the valve body, the valve seat body is movably sleeved outside the valve sleeve, and the mounting groove is arranged between the valve sleeve and the valve body.
3. The self-adaptive sealing ball valve according to claim 2, wherein the pressing mechanism comprises a pressing ring movably sleeved on the outer side of the valve sleeve, the pressing ring is provided with a plurality of pressing holes uniformly distributed around the axis of the pressing ring, pressing springs are arranged in the pressing holes and respectively abutted against the pressing ring and the valve body, and the pressing ring presses one end of the valve seat body far away from the valve ball.
4. A self-adaptive sealing ball valve according to claim 3, wherein the valve seat body is provided with a pressing part, a gap is formed between the pressing part and the valve sleeve, the movable edge of the self-adaptive wave plate is provided with a fixing part extending into the gap, the fixing part is sealed and fixed with the pressing part, and the movable edge is positioned between the pressing part and the pressing ring.
5. The self-adaptive sealing ball valve according to claim 4, wherein the pressing part is provided with a first inclined surface corresponding to the self-adaptive wave plate, and a gap is formed between the first inclined surface and the wave surface of the self-adaptive wave plate.
6. The self-adaptive sealing ball valve according to claim 3, wherein the valve sleeve is movably embedded in the valve body, the outer arm of the valve sleeve is in sealing fit with the valve body, and a limit edge is arranged in the valve seat body and is propped against the valve sleeve.
7. The self-adaptive sealing ball valve according to claim 1, wherein the front end of the valve seat body is provided with a stripping ring, the stripping ring is attached to the spherical surface of the valve ball, and the thickness of the stripping ring gradually decreases from the valve seat body to the valve ball.
8. The self-adaptive sealing ball valve according to claim 1, wherein the mounting groove is further provided with a fixing mechanism, the fixing mechanism comprises a sealing pressing plate, a clamp spring and a fastening plate, the valve body is provided with a clamping groove, the clamp spring is embedded in the clamping groove, the sealing pressing plate is pressed on the fixing edge, the fastening plate is arranged between the clamp spring and the sealing pressing plate, the fastening plate is provided with a plurality of threaded holes uniformly distributed around the axis of the fastening plate, the fastening plate is in threaded connection with a fastening bolt, the fastening bolt abuts against the sealing pressing plate, and the fastening plate abuts against the clamp spring.
9. The self-adaptive sealing ball valve according to claim 8, wherein the sealing pressing plate is provided with a second inclined plane which is matched with the self-adaptive wave plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320972350.9U CN219827781U (en) | 2023-04-25 | 2023-04-25 | Self-adaptive sealing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320972350.9U CN219827781U (en) | 2023-04-25 | 2023-04-25 | Self-adaptive sealing ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219827781U true CN219827781U (en) | 2023-10-13 |
Family
ID=88280261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320972350.9U Active CN219827781U (en) | 2023-04-25 | 2023-04-25 | Self-adaptive sealing ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219827781U (en) |
-
2023
- 2023-04-25 CN CN202320972350.9U patent/CN219827781U/en active Active
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