CN211117621U - Take heat preservation to press from both sides cover governing valve - Google Patents
Take heat preservation to press from both sides cover governing valve Download PDFInfo
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- CN211117621U CN211117621U CN201922308600.5U CN201922308600U CN211117621U CN 211117621 U CN211117621 U CN 211117621U CN 201922308600 U CN201922308600 U CN 201922308600U CN 211117621 U CN211117621 U CN 211117621U
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Abstract
The utility model provides a take heat preservation to press from both sides cover governing valve. The regulating valve with the heat-preservation jacket comprises a valve body, a lower jacket fixedly connected with the lower portion of the valve body and between the opposite sides of the connecting flanges, and an upper jacket fixedly connected with the upper portion of one side of the connecting flanges and the top of one side of the valve body. The utility model provides a take heat preservation to press from both sides cover governing valve, the packing box of valve gap and the part below the packing box, all stretched in the valve body, the welded upper jacket on the valve body presss from both sides the cooperation with lower cover that presss from both sides below, also can keep warm to the clearance between packing box and valve gap and the valve rod effectively, thereby the crystallization of medium has been avoided, the full jacket has been realized, the valve gap height is shorter, the structure is simpler, the manufacturing cost of valve has been reduced, the welding of valve gap part has been avoided, and the welding degree of difficulty of valve body department is lower, the aesthetic property of valve has also been improved, the export of disk seat and the design of valve cage bottom angle, the flow area of disk seat export has been increased, the formation of medium vortex.
Description
Technical Field
The utility model relates to a governing valve field especially relates to a take heat preservation to press from both sides cover governing valve.
Background
The governing valve is one kind installation and among the pipeline, carries out the valve that the accuracy was adjusted to the temperature of medium such as gas, liquid, flow isoparametric, when medium among the valve met the temperature lower just takes place the crystallization easily, often adopts the cover governing valve that presss from both sides, through pressing from both sides the cover at the outside welding of valve body, then lets in high temperature steam and presss from both sides the cover and the space between the valve body in, heats the valve body through high temperature steam to avoid the medium at the inside crystallization of valve body, thereby block up the valve.
Half press from both sides cover governing valve, valve body part has welded the cover, the medium can flow in the clearance between cover and the valve body, carry out the companion heat to valve body part, valve body part's medium can not crystallize, but valve cover part's medium still can appear the crystallization, the cover governing valve is pressed from both sides entirely, valve body and valve cover have set up the cover respectively, high temperature steam is not bare can heat valve body part like this, also can heat valve cover part, but because the height of valve cover is shorter, the space is less, it often is difficult to implement to weld the cover on the valve cover, and the cover of valve cover and the cover of valve body pass through the pipeline and connect, the degree of difficulty is very big when the actual implementation, it is very firm and pleasing to.
Therefore, it is necessary to provide a regulating valve with a thermal insulation jacket to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a take heat preservation to press from both sides cover governing valve, the heat preservation that has solved current governing valve presss from both sides the cover and uses the problem of welding difficulty when pressing from both sides the cover entirely.
For solving the technical problem, the utility model provides a take heat preservation to press from both sides cover governing valve includes the valve body, the equal fixedly connected with flange in both sides of valve body, two the below fixedly connected with lower clamp cover that just is located the valve body between the relative one side of flange, two equal fixedly connected with goes up the clamp cover between one side of flange and the top of valve body one side, the top of valve body is provided with the valve gap, fixedly connected with packing box between the both sides of valve gap inner wall, be provided with the filler between the both sides of packing box inner wall.
Preferably, the bottom of valve gap just is located the inside fixedly connected with valve cage of valve body, the top of packing box has run through the valve rod, the valve rod runs through the packing box and extends to the inside of valve cage, the bottom of valve cage uide bushing is 40.
Preferably, the both sides at valve gap top all threaded connection have a set screw, two the bottom of set screw all runs through the valve gap and with the top threaded connection of valve body, the connecting hole has all been seted up to the both sides at valve gap top.
Preferably, the top of the stuffing box is fixedly connected with a stuffing flange, the top of the valve rod is fixedly connected with an ejector rod, and the surface of the ejector rod is provided with a connecting nut.
Preferably, the bottom of the valve rod is fixedly connected with a valve core, and a valve seat is arranged between the opposite sides of the upper cavity and the lower cavity of the valve body.
Preferably, the outlet of the valve seat is at 20 °.
Preferably, a sealing ring is fixedly connected between the bottoms of the two sides of the inner wall of the valve seat.
Compared with the prior art, the utility model provides a take heat preservation to press from both sides cover governing valve has following beneficial effect:
the utility model provides a take heat preservation to press from both sides cover governing valve, the packing box of valve gap and the part below the packing box, all stretched in the valve body, the cover cooperation is pressed from both sides with lower below on the welded cover that presss from both sides on the valve body, also can keep warm to the clearance between packing box and valve gap and the valve rod effectively, thereby the crystallization of medium has been avoided, the full cover that presss from both sides has been realized, the valve gap height is shorter, the structure is simpler, the manufacturing cost of valve has been reduced, the welding of valve gap part has been avoided, and the welding degree of difficulty of valve body department is lower, the aesthetic property of valve has also been improved, the export of disk seat is the bottom of being with the valve cage uide bushing and is, the flow area of disk seat export.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of the regulating valve with an insulating jacket according to the present invention;
fig. 2 is a partially enlarged schematic view of a portion a shown in fig. 1.
Reference numbers in the figures: 1. the valve comprises a valve body, 2, a connecting flange, 3, a lower jacket, 4, an upper jacket, 5, a valve cover, 6, a fixing screw, 7, a packing box, 8, packing, 9, a valve rod, 10, a valve cage, 11, a valve core, 12, a valve seat, 13, an ejector rod, 14, a connecting nut, 15, a packing flange, 16, a connecting hole, 17 and a sealing ring.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1 and fig. 2, wherein fig. 1 is a schematic structural diagram of a regulating valve with a thermal insulation jacket according to a preferred embodiment of the present invention; fig. 2 is a partially enlarged schematic view of a portion a shown in fig. 1. The regulating valve with the heat-insulating jacket comprises a valve body 1, wherein both sides of the valve body 1 are fixedly connected with connecting flanges 2, a lower jacket 3 is fixedly connected between the opposite sides of the two connecting flanges 2 and below the valve body 1, an upper jacket 4 is fixedly connected between one side of the two connecting flanges 2 and the top of one side of the valve body 1, the top of the valve body 1 is provided with a valve cover 5, a packing box 7 is fixedly connected between both sides of the inner wall of the valve cover 5, packing 8 is arranged between both sides of the inner wall of the packing box 7, the connecting flanges 2 are used for fixing the valve body 1 on a pipeline to be installed, the lower jacket 3 is matched with the upper jacket 4 to form the, the valve body 1 is heated through high-temperature steam, the medium is prevented from crystallizing in the interior, the packing 8 is placed in the packing box 7 and used for sealing, the sliding of the valve rod 9 is not influenced, and the packing box 7 extends to the interior of the valve body 1.
The bottom of valve gap 5 and the inside fixedly connected with valve cage 10 that is located valve body 1, the top of packing box 7 runs through there is valve rod 9, and valve rod 9 runs through packing box 7 and extends to the inside of valve cage 10, and the bottom of valve cage 10 uide bushing is 40, and the slip of valve rod 9 is stable, and valve rod 9 motion can drive case 11 motion, and valve cage 10 is used for spacing case 11.
The equal threaded connection in both sides at valve gap 5 top has set screw 6, and the bottom of two set screw 6 all runs through valve gap 5 and with valve body 1's top threaded connection, and connecting hole 16 has all been seted up to the both sides at valve gap 5 top, and set screw 6 is used for fixing valve gap 5 on valve body 1, and connecting hole 16 is used for connecting other mechanisms.
The top fixedly connected with packing flange 15 of packing box 7, the top fixedly connected with ejector pin 13 of valve rod 9, the surface of ejector pin 13 is provided with coupling nut 14, packing flange 15 is used for compacting packing 8, ejector pin 13 can be connected with outside pneumatic component, drives valve rod 9 and moves from top to bottom.
The bottom of the valve rod 9 is fixedly connected with a valve core 11, a valve seat 12 is arranged between the opposite sides of the upper cavity and the lower cavity of the valve body 1, and the valve core 11 is matched with the valve seat 12.
The outlet of the valve seat 12 is at 20 degrees, the outlet of the valve seat 12 is at 20 degrees and corresponds to the bottom of the guide sleeve of the valve cage 10 at 40 degrees, the flow area of the outlet of the valve seat is increased, and the formation of medium vortex is avoided.
And a sealing ring 17 is fixedly connected between the bottoms of the two sides of the inner wall of the valve seat 12, and the valve core 11 is matched with the sealing ring 17, so that the sealing performance is good during matching.
The utility model provides a take heat preservation to press from both sides the theory of operation of cover governing valve as follows:
before using, add filler 8 in the stuffing box 7, the filler flange 15 is moved to the downstream, filler flange 15 drives filler 8 and pushes down, move to the compaction and guarantee the leakproofness can, ejector pin 13 up-and-down motion can drive valve rod 9 up-and-down motion during the use, valve rod 9 up-and-down motion can drive case 11 up-and-down motion, when moving to case 11 and sealing washer 17 cooperation, the valve is closed, the unable circulation of medium, upward press from both sides and press from both sides the cover 4 and 3 interior high temperature steam of pouring into down, prevent medium condensation crystallization, when sealing washer 17 and keeping away from disk seat 12 are kept away from to case 11, the valve is opened, the medium circulation.
Compared with the prior art, the utility model provides a take heat preservation to press from both sides cover governing valve has following beneficial effect:
the part below the stuffing box 7 and the stuffing box 7 of the valve cover 5 are stretched into the valve body 1, the upper jacket 4 welded on the valve body 1 is matched with the lower jacket 3 below, the heat preservation can also be effectively carried out on the stuffing box 7 and the gap between the valve cover 5 and the valve rod 9, thereby the crystallization of a medium is avoided, the full jacket is realized, the height of the valve cover 5 is shorter, the structure is simpler, the manufacturing cost of the valve is reduced, the welding of the part of the valve cover 5 is avoided, the welding difficulty of the part of the valve body 1 is lower, the aesthetic property of the valve is also improved, the outlet of the valve seat 12 is 20 degrees and is 40 degrees with the bottom of the guide sleeve of the valve cage 10, the flow area of the outlet of the valve seat is increased, and the formation.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a take heat preservation to press from both sides cover governing valve, includes valve body (1), its characterized in that: the improved valve is characterized in that connecting flanges (2) are fixedly connected to two sides of the valve body (1), two lower clamping sleeves (3) are fixedly connected to the lower portion of the valve body (1) and located between one opposite sides of the connecting flanges (2), two upper clamping sleeves (4) are fixedly connected to one sides of the connecting flanges (2) and the top of one side of the valve body (1), a valve cover (5) is arranged at the top of the valve body (1), a packing box (7) is fixedly connected between two sides of the inner wall of the valve cover (5), and packing (8) is arranged between two sides of the inner wall of the packing box (7).
2. The adjusting valve with the thermal insulation jacket as claimed in claim 1, wherein a valve cage (10) is fixedly connected to the bottom of the valve cover (5) and located inside the valve body (1), a valve rod (9) penetrates through the top of the stuffing box (7), the valve rod (9) penetrates through the stuffing box (7) and extends to the inside of the valve cage (10), and the bottom of a guide sleeve of the valve cage (10) is 40 degrees.
3. The adjusting valve with the heat-insulating jacket as claimed in claim 1, wherein fixing screws (6) are connected to two sides of the top of the valve cover (5) in a threaded manner, the bottoms of the two fixing screws (6) penetrate through the valve cover (5) and are connected with the top of the valve body (1) in a threaded manner, and connecting holes (16) are formed in two sides of the top of the valve cover (5).
4. The jacketed regulating valve with thermal insulation according to claim 2, characterized in that a packing flange (15) is fixedly connected to the top of the packing box (7), a push rod (13) is fixedly connected to the top of the valve rod (9), and a connecting nut (14) is arranged on the surface of the push rod (13).
5. The adjusting valve with the thermal insulation jacket according to claim 2, characterized in that a valve core (11) is fixedly connected to the bottom of the valve rod (9), and a valve seat (12) is arranged between the opposite sides of the upper cavity and the lower cavity of the valve body (1).
6. Insulating jacket regulating valve according to claim 5, characterized in that the outlet of the valve seat (12) is at 20 °.
7. The jacketed regulating valve with heat insulation according to claim 5, characterized in that a sealing ring (17) is fixedly connected between the bottoms of both sides of the inner wall of the valve seat (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922308600.5U CN211117621U (en) | 2019-12-20 | 2019-12-20 | Take heat preservation to press from both sides cover governing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922308600.5U CN211117621U (en) | 2019-12-20 | 2019-12-20 | Take heat preservation to press from both sides cover governing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211117621U true CN211117621U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922308600.5U Active CN211117621U (en) | 2019-12-20 | 2019-12-20 | Take heat preservation to press from both sides cover governing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211117621U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113062985A (en) * | 2021-02-08 | 2021-07-02 | 安徽丰原生物技术股份有限公司 | Lower-mounted type valve-cover-free angle-shaped adjusting valve device |
-
2019
- 2019-12-20 CN CN201922308600.5U patent/CN211117621U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113062985A (en) * | 2021-02-08 | 2021-07-02 | 安徽丰原生物技术股份有限公司 | Lower-mounted type valve-cover-free angle-shaped adjusting valve device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220921 Address after: Room 399, No. 88, Xingda Road, Dachang Street, Jiangbei New District, Nanjing City, Jiangsu Province, 210044 Patentee after: Nanjing Deweier Fluid Equipment Co.,Ltd. Address before: No. 32, Bofu Road, Zhongshan Science and Technology Park, Jiangbei New District, Nanjing City, Jiangsu Province, 210048 Patentee before: Nanjing Saiman fluid equipment Co.,Ltd. |
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| TR01 | Transfer of patent right |