CN212206494U - Ball valve seat installation mechanism - Google Patents
Ball valve seat installation mechanism Download PDFInfo
- Publication number
- CN212206494U CN212206494U CN202020598081.0U CN202020598081U CN212206494U CN 212206494 U CN212206494 U CN 212206494U CN 202020598081 U CN202020598081 U CN 202020598081U CN 212206494 U CN212206494 U CN 212206494U
- Authority
- CN
- China
- Prior art keywords
- valve seat
- valve body
- cavity
- valve
- mounting mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000009434 installation Methods 0.000 title abstract description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000011007 installation qualification Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241001347978 Major minor Species 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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Abstract
The utility model relates to a ball valve seat mounting mechanism, which belongs to the technical field of valve equipment and comprises a valve body and a valve seat which are sleeved, wherein the top of the valve seat is provided with a pressing plate, the bottom of the valve body is provided with a bottom plate, the pressing plate and the bottom plate are fastened and connected through a bolt device, a sealing environment is formed in a valve seat cavity and a valve body cavity, a first step of the valve body is provided with a pressing ring which is fixed through screws, the pressing ring presses a graphite ring on a second step, so that the joint of the valve seat and the valve body is sealed, compressed air is introduced through an air inlet of the bottom plate, water is filled in an observation ring groove where the screws are positioned, a bubble generating part is a gas leakage part, the installation of the ball valve seat can be determined to be qualified only by fastening and adjusting the screws at corresponding positions until no bubbles are generated, the debugging and the installation of the ball, the production efficiency is improved, and the cost of manpower and material resources is reduced.
Description
Technical Field
The utility model relates to a valve equipment technical field, in particular to ball valve disk seat installation mechanism.
Background
At present in the ball valve trade, the installation of metal seal ball valve disk seat, all install the disk seat on the valve body, merge major-minor valve body, two disk seats just can push down the ball core, reuse bolt-up, test after the installation is accomplished again, just can detect whether sealed between disk seat and the valve body is qualified during the test, have the great probability of revealing under the general condition, thereby need rework reinstallation, the dismouting is not only extravagant manpower repeatedly, material resources and time, still can produce certain wearing and tearing risk to disk seat and valve body.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's defect, the utility model provides a ball valve disk seat installation mechanism, after installing the disk seat in the valve body, make disk seat and valve body chamber form the environment of relative seal through clamp plate and bottom plate, let in compressed air at the air inlet, pour into water observing the annular, through observing whether have the bubble and having the corresponding screw of bubble department adjustment until the bubble disappears, simplified the debugging step, improved the installation effectiveness.
The technical scheme for realizing the purpose is as follows:
the utility model provides a ball valve seat mounting mechanism, which comprises a valve body and a valve seat, wherein the valve body is provided with a valve body cavity, the valve seat is provided with a valve seat cavity, the valve body cavity is sequentially provided with a first step, a second step and a third step in a surrounding manner from top to bottom, and the valve seat and the third step are matched and mounted at the upper end of the valve body;
the bottom of the valve body is provided with a bottom plate, the top of the valve seat is provided with a pressing plate, and the bottom plate and the pressing plate can be tightly connected through a bolt device, so that the valve seat is tightly fixed in the valve body, and a sealed environment is formed by a valve seat cavity and a valve body cavity;
the bottom plate is provided with an air inlet communicated with the valve body cavity;
the second step is encircleed and is equipped with the graphite circle, first step is encircleed and is equipped with the clamping ring, the clamping ring has one and presses and locate the holding down end at graphite circle top tightly presses the graphite circle in second step department through the clamping ring to form sealedly, disk seat, valve body and clamping ring cooperate and form one and observe the annular, it evenly is equipped with a plurality of screws, a plurality of evenly in the observation annular screw passes install behind the clamping ring in the valve body for adjust the packing degree of clamping ring.
Further, the base plate is integrally provided with a boss embedded in the valve body cavity, and a first sealing ring is arranged at the joint of the base plate and the valve body to prevent the valve body cavity from leaking at the base plate.
Further, the bolt device is composed of a stud and a nut, the stud and the boss are integrally formed, and the stud vertically penetrates through the valve seat cavity and the pressing plate and then is in threaded connection with the nut.
Furthermore, a second sealing ring is arranged at the joint of the stud and the pressure plate, so that the valve seat cavity and the valve body cavity are prevented from leaking gas at the joint of the pressure plate and the stud.
Furthermore, an elastic device is arranged between the valve seat and the third step, so that hard contact friction between the valve seat and the valve body is prevented, and abrasion loss is prevented.
Further, the elastic means is a spring.
Furthermore, the lower end of the pressing plate is provided with a conical table structure, the conical table structure is matched with the valve seat cavity, and a third sealing ring is arranged at the joint of the conical table structure and the valve seat to prevent the valve seat cavity from being leaked at the joint of the pressing plate and the valve seat.
Has the advantages that: compared with the prior art, the utility model has the difference that the utility model provides a ball valve seat mounting mechanism, including the valve body and the valve seat of suit, the valve seat top is equipped with the clamp plate, the valve body bottom is equipped with the bottom plate, pass through bolt device fastening connection between clamp plate and the bottom plate, form sealed environment in valve seat chamber and valve body intracavity, the first step of valve body is installed through the clamping ring of screw fixation, the clamping ring compresses tightly graphite circle on the second step, make the junction of valve seat and valve body form sealedly, through letting in compressed air at the air inlet of bottom plate, pour into water in the observation annular that the screw is located, the place that produces the bubble is the gas leakage place, only need to fasten the screw adjustment of corresponding position, until no bubble, can confirm that the installation of ball valve seat is qualified, greatly simplify the debugging installation of ball valve seat, and improve the installation efficiency and the installation qualification rate, the valve body and the valve seat do not need to be reworked and installed for many times, so that the production efficiency is greatly improved, and the labor and material cost is reduced.
Drawings
FIG. 1 is a front cross-sectional view of a ball valve seat mounting mechanism according to a preferred embodiment of the present application.
The valve comprises a valve body 1, a valve body cavity 10, a first step 11, a pressing ring 111, a second step 12, a graphite ring 121, a third step 13, a valve seat 2, a valve seat cavity 21, a bottom plate 3, a gas inlet 31, a boss 32, a pressing plate 4, a conical table structure 41, a bolt device 5, a stud 51, a nut 52, an observation ring groove 6, a screw 61 and an elastic device 7.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Referring to fig. 1, the utility model provides a ball valve seat mounting mechanism, including valve body 1 and valve seat 2, valve body 1 has valve body chamber 10, valve seat 2 has valve seat chamber 21, valve body chamber 10 encircles from top to bottom in proper order and is equipped with first step 11, second step 12 and third step 13, valve seat 2 with the cooperation of third step 13 is installed in the upper end of valve body 1;
the bottom of the valve body 1 is provided with a bottom plate 3, the top of the valve seat 2 is provided with a pressure plate 4, the bottom plate 3 and the pressure plate 4 can be tightly connected through a bolt device 5, so that the valve seat 2 is tightly fixed in the valve body 1, and a sealed environment is formed by the valve seat cavity 21 and the valve body cavity 10;
the bottom plate 3 is provided with an air inlet 31 communicated with the valve body cavity 10 and used for introducing compressed air;
Preferably, the base plate 3 is integrally provided with a boss 32 embedded in the valve body cavity 10, and a first sealing ring is arranged at the joint of the base plate 3 and the valve body 1 for preventing the valve body cavity 10 from leaking at the base plate 3.
Preferably, the bolt device 5 is composed of a stud 51 and a nut 52 which are matched, the stud 51 is integrally formed with the boss 32, and the stud 51 is vertically threaded through the valve seat cavity 21 and the pressure plate 4 and then is in threaded connection with the nut 52.
Preferably, a second sealing ring is arranged at the joint of the stud 51 and the pressure plate 4, and is used for preventing the valve seat cavity 21 and the valve body cavity 10 from air leakage at the joint of the pressure plate 4 and the stud 51.
Preferably, an elastic device 7 is arranged between the valve seat 2 and the third step 13 for preventing hard contact friction between the valve seat 2 and the valve body 1 and generating abrasion loss, and the elastic device 7 is preferably a spring.
Preferably, the lower end of the pressure plate 4 is provided with a conical table structure 41, the conical table structure 41 is matched with the valve seat cavity 21, and a third sealing ring is arranged at the joint of the conical table structure 41 and the valve seat 2 and used for preventing the valve seat cavity 21 from leaking at the joint of the pressure plate 4 and the valve seat 2.
Specifically, after the valve seat, the valve body, the spring, the graphite ring, the pressing ring, the screws, the bottom plate, the pressing plate and the sealing rings are installed, compressed air is introduced into an air inlet of the bottom plate, water is poured into an observation ring groove at the top of the bottom plate, the tightness of the graphite ring can be detected through the observation ring groove, the screws at the bubbling positions are fastened according to dew points of bubbles, and therefore the compression degree of the pressing ring is adjusted until no bubbles emerge, and the valve seat is qualified. The valve seat and the valve body do not need to be reworked and disassembled repeatedly, so that the debugging steps are greatly simplified, the installation efficiency and the installation qualification rate are greatly improved, and the cost of an enterprise is effectively saved.
It should be noted that the terms "first, second and third" in the present invention are used for descriptive purposes only, do not denote any order, are not to be construed as indicating or implying any relative importance, and are to be interpreted as names.
The above embodiments are merely preferred embodiments of the present disclosure, which are not intended to limit the present disclosure, and any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present disclosure, should be included in the scope of the present disclosure.
Claims (7)
1. A ball valve seat mounting mechanism comprises a valve body and a valve seat, wherein the valve body is provided with a valve body cavity, and the valve seat is provided with a valve seat cavity;
the bottom of the valve body is provided with a bottom plate, the top of the valve seat is provided with a pressing plate, and the bottom plate and the pressing plate can be tightly connected through a bolt device;
the bottom plate is provided with an air inlet communicated with the valve body cavity;
the second step is encircleed and is equipped with the graphite circle, first step is encircleed and is equipped with the clamping ring, the clamping ring has one to press and locates the holding down end at graphite circle top, disk seat, valve body and clamping ring cooperate and form one and observe the annular, it evenly is equipped with a plurality of screws, and is a plurality of to observe in the annular the screw passes install in behind the clamping ring in the valve body.
2. The ball valve seat mounting mechanism of claim 1 wherein the base plate is integrally formed with a boss that fits into the valve body cavity, and a first seal ring is provided at the junction of the base plate and the valve body.
3. The ball valve seat mounting mechanism of claim 2 wherein the bolt means comprises a stud and a nut, the stud being integrally formed with the boss, the stud passing vertically through the valve seat cavity and the pressure plate and being threadedly connected to the nut.
4. The ball valve seat mounting mechanism of claim 3 wherein the junction of the stud and the pressure plate is provided with a second seal.
5. A ball valve seat mounting mechanism as claimed in claim 1 wherein resilient means is provided between said valve seat and said third step.
6. A ball valve seat mounting mechanism as claimed in claim 5 wherein said resilient means is a spring.
7. The ball valve seat mounting mechanism of claim 1 wherein the lower end of said pressure plate has a tapered platform structure, said tapered platform structure cooperating with said valve seat cavity, and a third sealing ring is provided at the junction of said tapered platform structure and said valve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020598081.0U CN212206494U (en) | 2020-04-21 | 2020-04-21 | Ball valve seat installation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020598081.0U CN212206494U (en) | 2020-04-21 | 2020-04-21 | Ball valve seat installation mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212206494U true CN212206494U (en) | 2020-12-22 |
Family
ID=73832339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020598081.0U Expired - Fee Related CN212206494U (en) | 2020-04-21 | 2020-04-21 | Ball valve seat installation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212206494U (en) |
-
2020
- 2020-04-21 CN CN202020598081.0U patent/CN212206494U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201222 |