CN109780378B - Valve actuator with excellent heat insulation effect - Google Patents

Valve actuator with excellent heat insulation effect Download PDF

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Publication number
CN109780378B
CN109780378B CN201811592047.6A CN201811592047A CN109780378B CN 109780378 B CN109780378 B CN 109780378B CN 201811592047 A CN201811592047 A CN 201811592047A CN 109780378 B CN109780378 B CN 109780378B
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China
Prior art keywords
valve
heat insulation
valve rod
valve actuator
insulation layer
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CN201811592047.6A
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Chinese (zh)
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CN109780378A (en
Inventor
张玉鑫
吴鹏
贾正晨
吴宁宁
张玉兵
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Lankong Valve Actuator Jiangsu Co ltd
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Lankong Valve Actuator Jiangsu Co ltd
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Abstract

The invention discloses a valve actuator with excellent heat insulation effect, which comprises a valve actuator protective shell, the valve actuator protective shell comprises an air compressor and a valve rod protective shell, the air compressor is arranged above the valve rod protective shell, the air compressor is connected with the valve rod protective shell through connecting blocks, the number of the connecting blocks is four, an air pipe is arranged in the middle of the bottom surface of the air compressor, the other end of the air pipe extends to the inner side of the valve rod protective shell, a valve seat is arranged below the valve actuator protective shell, one end of the valve seat is provided with a liquid inlet, the other end of the valve seat is provided with a liquid outlet, the liquid inlet and the liquid outlet are both internally provided with mounting holes, the top of valve rod protecting sheathing inboard is provided with the compression storehouse, sealed filler storehouse is installed to the inboard below of valve rod protecting sheathing. The valve actuator is provided with a plurality of heat insulation layers, so that the heat insulation performance of the valve actuator is greatly improved.

Description

Valve actuator with excellent heat insulation effect
Technical Field
The invention relates to the technical field of valve actuators, in particular to a valve actuator with excellent heat insulation effect.
Background
With the rapid development of social economy, the actuator is an essential important component in an automatic control system, and has the functions of receiving a control signal sent by a controller and changing the size of a controlled medium, so that a controlled variable is maintained on a required numerical value or within a certain range, the actuator can be divided into three categories, namely pneumatic, hydraulic and electric according to the energy form of the actuator, and the pneumatic actuator uses compressed air as an energy source.
However, the existing valve actuator has poor heat insulation effect and poor practicability; therefore, the existing requirements are not met, and a valve actuator with excellent heat insulation effect is provided for the requirement.
Disclosure of Invention
The invention aims to provide a valve actuator with excellent heat insulation effect, and aims to solve the problems of poor heat insulation effect, poor practicability and the like of the conventional valve actuator in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a valve actuator with excellent heat insulation effect comprises a valve actuator protective shell, wherein the valve actuator protective shell comprises an air compressor and a valve rod protective shell, the air compressor is installed above the valve rod protective shell and is connected with the valve rod protective shell through a connecting block, the number of the connecting blocks is four, an air pipe is installed in the middle of the bottom surface of the air compressor, the other end of the air pipe extends to the inner side of the valve rod protective shell, a valve seat is installed below the valve actuator protective shell, a liquid inlet is formed in one end of the valve seat, a liquid outlet is formed in the other end of the valve seat, mounting holes are formed in the inner portions of the liquid inlet and the liquid outlet, a compression bin is arranged above the inner side of the valve rod protective shell, a sealing filler bin is installed below the inner side of the valve rod protective shell, and a partition plate is installed between the compression, the utility model discloses a valve, including compression bin, valve seat, valve rod, valve core, valve protective case, valve rod protection shell, valve rod, core insulating layer, inner insulating layer, sealing filler bin, compression spring, valve core, valve seat, valve core, valve protective case, valve rod protection shell, valve core, inner insulating layer, outer insulating layer, inner insulating layer, sealing filler bin, valve rod, valve core, outer insulating layer, inner insulating layer, outer insulating layer.
Preferably, aerated concrete is arranged inside the outer heat insulation layer.
Preferably, the perlite-rigid polyurethane foam plastic composite insulation board is arranged inside the core insulation layer.
Preferably, the inner heat insulation layer is formed by wrapping silica aerogel.
Preferably, the compression spring is connected with the cylindrical block through an internal thread.
Preferably, the upper end surface of the valve core is completely attached to the lower end surface of the valve rod, and the valve rod is connected with the valve core through a rivet.
Preferably, tracheal one end extends to air compressor's inside, air compressor passes through female connection with the trachea, and the junction has the raw material area around the package.
Preferably, the sealing filler bin is connected with the valve rod protective shell through a clamping groove.
Compared with the prior art, the invention has the beneficial effects that:
1. the valve rod protective shell comprises an outer heat insulation layer, a core heat insulation layer and an inner heat insulation layer, wherein aerated concrete is arranged in the outer heat insulation layer, the core heat insulation layer comprises a perlite-hard polyurethane foam plastic composite heat insulation plate, and the inner heat insulation layer is formed by wrapping silicon dioxide aerogel, so that the heat insulation effect of a valve actuator is improved to a great extent;
2. the liquid inlet and the liquid outlet are internally provided with the plurality of mounting holes, so that an external pipeline is convenient to mount.
Drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a partial schematic view of a mounting hole of the present invention;
FIG. 3 is a schematic view of the internal structure of the whole body of the present invention;
fig. 4 is a partial structural schematic view of the valve stem protective housing of the present invention.
In the figure: 1. a valve actuator protective housing; 2. an air compressor; 3. a valve stem protective housing; 4. connecting blocks; 5. an air tube; 6. a cylindrical block; 7. a valve stem; 8. a compression spring; 9. a partition plate; 10. compressing the bin; 11. sealing the filler bin; 12. a valve seat; 13. a liquid inlet; 14. a liquid outlet; 15. mounting holes; 16. a valve core; 17. a valve block; 18. a through hole; 19. an outer insulating layer; 20. a core thermal insulation layer; 21. and an inner heat insulation layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, an embodiment of the present invention is shown: a valve actuator with excellent heat insulation effect comprises a valve actuator protective shell 1, wherein the valve actuator protective shell 1 comprises an air compressor 2 and a valve rod protective shell 3, the air compressor 2 is installed above the valve rod protective shell 3, the air compressor 2 is connected with the valve rod protective shell 3 through a connecting block 4, four connecting blocks 4 are provided, an air pipe 5 is installed in the middle of the bottom surface of the air compressor 2, the other end of the air pipe 5 extends to the inner side of the valve rod protective shell 3, a valve seat 12 is installed below the valve actuator protective shell 1, one end of the valve seat 12 is provided with a liquid inlet 13, the other end of the valve seat 12 is provided with a liquid outlet 14, mounting holes 15 are respectively formed in the liquid inlet 13 and the liquid outlet 14, a compression bin 10 is arranged above the inner side of the valve rod protective shell 3, and a sealing filling bin 11 is, a partition plate 9 is arranged between a compression bin 10 and a sealing filler bin 11, a cylindrical block 6 is arranged inside the compression bin 10, a valve rod 7 is arranged below the cylindrical block 6, the valve rod 7 penetrates through the sealing filler bin 11, a compression spring 8 is arranged above the outer side of the valve rod 7, the compression spring 8 is positioned above the partition plate 9, a valve core 16 is arranged below the valve rod 7, a valve block 17 is arranged inside a valve seat 12, a through hole 18 is formed inside the valve block 17, the through hole 18 is positioned right below the valve core 16, the cylindrical block 6 is driven to move downwards by the operation of an air compressor 2, the valve rod 7 is driven to move downwards by the downward movement of the cylindrical block 6 so as to drive the valve core 16 to be completely attached to the through hole 18, the effect of closing the valve is achieved, the valve rod protective shell 3 comprises an outer heat insulation layer 19, a core heat insulation layer 20 and an inner heat insulation layer 21, the core heat insulation layer 20 is, an inner insulation layer 21 is mounted below the core insulation layer 20.
Further, the inside of outer insulating layer 19 is provided with aerated concrete, improves the heat-proof quality of valve executor.
Further, a perlite-rigid polyurethane foam plastic composite insulation board is arranged inside the core insulation layer 20, so that the heat insulation performance of the valve actuator is improved.
Further, the inner heat insulation layer 21 is formed by wrapping silica aerogel, so that the heat insulation performance of the valve actuator is improved.
Further, compression spring 8 passes through threaded connection with cylinder piece 6, improves the stability of connecting.
Further, the upper end face of the valve core 16 is completely attached to the lower end face of the valve rod 7, and the valve rod 7 is connected with the valve core 16 through rivets, so that the connection stability is improved.
Further, the one end of trachea 5 extends to air compressor 2's inside, and air compressor 2 passes through female connection with trachea 5, and the junction has the thread seal area around the package, improves the seal of connecting.
Further, the sealing filler bin 11 is connected with the valve rod protection shell 3 through a clamping groove, and the connection stability is improved.
The working principle is as follows: when the valve is used, the cylinder block 6 is driven to move downwards by the work of the air compressor 2, the valve rod 7 is driven to move downwards by the downward movement of the cylinder block 6 so as to drive the valve core 16 to be completely attached to the through hole 18, the effect of closing the valve is achieved, the valve rod 7 drives the valve core 16 to move upwards by utilizing the resilience of the compression spring 8 so as to achieve the opening state of the valve, liquid flows into the through hole 18 through the liquid inlet 13 and flows out through the liquid outlet 14, the valve rod protective shell 3 is installed, the valve rod protective shell 3 comprises an outer heat insulation layer 19, a core heat insulation layer 20 and an inner heat insulation layer 21, aerated concrete is arranged inside the outer heat insulation layer 19, the core heat insulation layer 20 comprises a perlite-rigid polyurethane foam plastic composite heat insulation board, the inner heat insulation layer 21 is formed by wrapping silica aerogel, the heat insulation effect of the valve actuator is improved to a great extent, and, the external pipeline is convenient to install.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

1. The utility model provides a valve actuator that thermal-insulated effect is excellent, includes valve actuator protecting sheathing (1), its characterized in that: the valve actuator protective casing (1) comprises an air compressor (2) and a valve rod protective casing (3), the air compressor (2) is installed above the valve rod protective casing (3), the air compressor (2) is connected with the valve rod protective casing (3) through a connecting block (4), the number of the connecting blocks (4) is four, an air pipe (5) is installed in the middle of the bottom surface of the air compressor (2), the other end of the air pipe (5) extends to the inner side of the valve rod protective casing (3), a valve seat (12) is installed below the valve actuator protective casing (1), one end of the valve seat (12) is provided with an inlet (13), the other end of the valve seat (12) is provided with a liquid outlet (14), mounting holes (15) are formed in the inner parts of the inlet (13) and the liquid outlet (14), a compression bin (10) is arranged above the inner side of the valve rod protective casing (3), a sealing filler bin (11) is installed below the inner side of the valve rod protective shell (3), a partition plate (9) is installed between a compression bin (10) and the sealing filler bin (11), a cylindrical block (6) is installed inside the compression bin (10), a valve rod (7) is installed below the cylindrical block (6), the valve rod (7) penetrates through the sealing filler bin (11), a compression spring (8) is installed above the outer side of the valve rod (7), the compression spring (8) is located above the partition plate (9), a valve core (16) is installed below the valve rod (7), a valve block (17) is installed inside the valve seat (12), a through hole (18) is formed inside the valve block (17), the through hole (18) is located right below the valve core (16), the protective shell (3) comprises an outer valve rod (19), a core thermal insulation layer (20) and an inner thermal insulation layer (21), a core heat insulation layer (20) is arranged below the outer heat insulation layer (19), and an inner heat insulation layer (21) is arranged below the core heat insulation layer (20).
2. The valve actuator excellent in heat insulation according to claim 1, wherein: and aerated concrete is arranged in the outer heat insulation layer (19).
3. The valve actuator excellent in heat insulation according to claim 1, wherein: the perlite-hard polyurethane foam plastic composite insulation board is arranged inside the core insulation layer (20).
4. The valve actuator excellent in heat insulation according to claim 1, wherein: the inner heat insulation layer (21) is formed by wrapping silica aerogel.
5. The valve actuator excellent in heat insulation according to claim 1, wherein: the compression spring (8) is connected with the cylindrical block (6) through an internal thread.
6. The valve actuator excellent in heat insulation according to claim 1, wherein: the upper end face of the valve core (16) is completely attached to the lower end face of the valve rod (7), and the valve rod (7) is connected with the valve core (16) through a rivet.
7. The valve actuator excellent in heat insulation according to claim 1, wherein: the one end of trachea (5) extends to the inside of air compressor (2), air compressor (2) pass through female connection with trachea (5), and the junction has the thread seal area around the package.
8. The valve actuator excellent in heat insulation according to claim 1, wherein: the sealing filler bin (11) is connected with the valve rod protective shell (3) through a clamping groove.
CN201811592047.6A 2018-12-25 2018-12-25 Valve actuator with excellent heat insulation effect Active CN109780378B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811592047.6A CN109780378B (en) 2018-12-25 2018-12-25 Valve actuator with excellent heat insulation effect

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811592047.6A CN109780378B (en) 2018-12-25 2018-12-25 Valve actuator with excellent heat insulation effect

Publications (2)

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CN109780378A CN109780378A (en) 2019-05-21
CN109780378B true CN109780378B (en) 2021-01-01

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105422940A (en) * 2015-11-19 2016-03-23 中国科学院等离子体物理研究所 Vacuum air intake regulating valve
CN106013481A (en) * 2016-01-30 2016-10-12 南京理工大学 Heat preservation board with excellent heat shielding properties for negative pressure wheel casing room
CN106090285A (en) * 2016-08-12 2016-11-09 四川省简阳市川力机械制造有限责任公司 A kind of control stop valve for cryogenic equipment
CN107763222A (en) * 2016-08-23 2018-03-06 中山市大海自控阀门有限公司 A kind of two stop valves of Single spring piston type pneumatic

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8375970B2 (en) * 2008-11-10 2013-02-19 Access Business Group International Llc Valve system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105422940A (en) * 2015-11-19 2016-03-23 中国科学院等离子体物理研究所 Vacuum air intake regulating valve
CN106013481A (en) * 2016-01-30 2016-10-12 南京理工大学 Heat preservation board with excellent heat shielding properties for negative pressure wheel casing room
CN106090285A (en) * 2016-08-12 2016-11-09 四川省简阳市川力机械制造有限责任公司 A kind of control stop valve for cryogenic equipment
CN107763222A (en) * 2016-08-23 2018-03-06 中山市大海自控阀门有限公司 A kind of two stop valves of Single spring piston type pneumatic

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