CN212718012U

CN212718012U - Multilayer fluorine lining corrugated pipe regulating valve with high protection performance

Info

Publication number: CN212718012U
Application number: CN202021555876.XU
Authority: CN
Inventors: 潘成杰
Original assignee: Yongjia Jielong Automatic Control Anti Corrosion Valve Co ltd
Current assignee: Yongjia Jielong Automatic Control Anti Corrosion Valve Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-03-16
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses a multilayer lining fluorine bellows governing valve with high protectiveness, including governing valve main part and lower flange, the upper end of governing valve main part is connected with the lower flange, and the top of lower flange installs the valve gap to the inside of valve gap runs through there is connecting bolt, the upper end of valve gap is connected with the installation pipe, and installs in the support the upper end of installation pipe to the left end of support is provided with control panel, push rod is installed to the inboard of support, and is provided with the actuating cylinder above the push rod, the inside of governing valve main part is provided with the valve rod, and the lower extreme of valve rod is connected with the case to the bellows is installed in the outside of valve rod, the lug is installed in the outside of case, and the below of lug is provided with the sealed piece of installing in the case outside. This multilayer lining fluorine bellows governing valve with high protectiveness is protective good when using, and sealed effect is good, has solved the relatively poor problem of bellows intensity.

Description

Multilayer fluorine lining corrugated pipe regulating valve with high protection performance

Technical Field

The utility model relates to a governing valve technical field specifically is a multilayer lining fluorine bellows governing valve with high protectiveness.

Background

The fluorine-lined corrugated pipe regulating valve is a pressure balance type regulating valve mechanical element, adopts a top guide structure, has the advantages of compact structure, light weight, sensitive action, large flow, wide adjustable range, S-streamline fluid channel, small pressure drop loss, large valve capacity, accurate flow characteristic, convenient assembly and disassembly and the like, is widely applied to accurately controlling media such as gas, liquid and the like, and is particularly applied to the occasions with small allowable leakage amount and small pressure difference between the front and the back of the valve.

Present lining fluorine bellows governing valve protectiveness is lower when using, and the leakproofness is relatively poor, and bellows intensity is relatively poor, consequently, the utility model provides a multilayer lining fluorine bellows governing valve with high protectiveness to solve the above-mentioned problem that proposes.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multilayer lining fluorine bellows governing valve with high protectiveness to solve the present lining fluorine bellows governing valve that proposes in the above-mentioned background art when using protectiveness lower, the leakproofness is relatively poor, the relatively poor problem of bellows intensity.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multilayer lining fluorine bellows governing valve with high protectiveness, includes governing valve main part and lower flange, the upper end of governing valve main part is connected with the lower flange, and the top of lower flange installs the valve gap to the connecting bolt has been run through to the inside of valve gap, the upper end of valve gap is connected with the installation pipe, and installs in the support the upper end of installation pipe to the left end of support is provided with control panel, push rod shaft is installed to the inboard of support, and push rod shaft's top is provided with the execution cylinder, the inside of governing valve main part is provided with the valve rod, and the lower extreme of valve rod is connected with the case to the bellows is installed in the outside of valve rod, the lug is installed in the outside of case, and the below of lug is provided with the.

Preferably, the regulating valve main body comprises a supporting layer, a first protective layer and a second protective layer, the first protective layer is tightly attached to the inner side surface of the supporting layer, and the second protective layer is arranged on the inner side surface of the first protective layer.

Preferably, a through hole is provided in the control valve body, and a longitudinal section of the through hole has a shape with a large top and a small bottom.

Preferably, the longitudinal section of the corrugated pipe is in an S shape, and the corrugated pipe is tightly attached to the valve rod.

Preferably, the valve core has a trapezoidal longitudinal section, and the valve core is connected with the valve rod in a threaded manner.

Preferably, the connection mode of the sealing block and the regulating valve main body is welding, and the diameter of the upper end of the sealing block is larger than that of the lower end of the sealing block.

Compared with the prior art, the beneficial effects of the utility model are that: the multi-layer fluorine-lined corrugated pipe regulating valve with high protection performance has good protection performance and good sealing effect when in use, and solves the problem of poor strength of the corrugated pipe;

1. the regulating valve is provided with a supporting layer, a first protective layer and a second protective layer, the second protective layer is arranged on the inner surface of the first protective layer, the second protective layer is made of fluorine-lined plastic, the first protective layer is arranged on the inner surface of the supporting layer, and the first protective layer is made of stainless steel, so that the regulating valve main body has a good corrosion resistance effect, and the protection performance of the regulating valve main body is enhanced;

2. the valve core, the sealing block and the convex block are arranged, the upper part and the lower part of the inner cavity of the regulating valve main body are disconnected by the attachment of the valve core and the inner surface of the sealing block, so that the valve is controlled to be opened and closed, the diameter of the upper end of the valve core is increased by the convex block, the valve core is tightly attached to the sealing block, and a good sealing effect is achieved;

3. the valve rod and the corrugated pipe are arranged, the corrugated pipe is made of tetrafluoroethylene propyl vinyl ether copolymer, and the corrugated pipe has good strength and toughness, so that the toughness and strength of the corrugated pipe are enhanced, and the problem of poor strength of the corrugated pipe is solved.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the front section structure of the main body of the regulating valve of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3 according to the present invention;

fig. 5 is a schematic view of an overall structure of the supporting layer and the first protective layer of the present invention.

In the figure: 1. a regulator valve body; 101. a support layer; 102. a first protective layer; 103. a second protective layer; 2. a lower flange; 3. a valve cover; 4. installing a pipe; 5. a support; 6. a push rod shaft; 7. a control panel; 8. an actuating cylinder; 9. a connecting bolt; 10. a valve stem; 11. a bellows; 12. a valve core; 13. a sealing block; 14. and (4) a bump.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a multi-layer fluorine-lined corrugated pipe regulating valve with high protection performance comprises a regulating valve main body 1, a lower flange 2, a valve cover 3, a mounting pipe 4, a support 5, a push rod shaft 6, a control panel 7, an execution cylinder 8, a connecting bolt 9, a valve rod 10, a corrugated pipe 11, a valve core 12, a sealing block 13 and a bump 14, wherein the upper end of the regulating valve main body 1 is connected with the lower flange 2, the valve cover 3 is mounted above the lower flange 2, the connecting bolt 9 penetrates through the inside of the valve cover 3, the upper end of the valve cover 3 is connected with the mounting pipe 4, the upper end of the mounting pipe 4 is mounted on the support 5, the control panel 7 is arranged at the left end of the support 5, the push rod shaft 6 is mounted on the inner side of the support 5, the execution cylinder 8 is arranged above the push rod shaft 6, the valve rod 10 is arranged inside the regulating valve main body 1, the valve core 12 is, a convex block 14 is arranged on the outer side of the valve core 12, and a sealing block 13 arranged on the outer side of the valve core 12 is arranged below the convex block 14;

as shown in fig. 1 and 5, the regulating valve body 1 includes a supporting layer 101, a first protective layer 102 and a second protective layer 103, the first protective layer 102 is closely attached to the inner side of the supporting layer 101, and the second protective layer 103 is disposed on the inner side of the first protective layer 102, so as to enhance the inner protection performance of the regulating valve;

as shown in fig. 3 and 4, a through hole is formed in the regulating valve body 1, and a longitudinal section of the through hole is in a shape with a large top and a small bottom, so that the fixing 13 and the control of the liquid inlet and the liquid outlet of the regulating valve are facilitated, the liquid inlet is located below the regulating valve and the control of the opening and closing of the valve port are facilitated, the longitudinal section of the bellows 11 is in an "S" shape, the bellows 11 is tightly attached to the valve rod 10, the bellows 11 is made of tetrafluoroethylene propyl vinyl ether copolymer and has good strength and toughness, the longitudinal section of the valve element 12 is in a trapezoid shape, the valve element 12 is in threaded connection with the valve rod 10 to open and close the valve port, as shown in fig. 3, the sealing block 13 is welded to the regulating valve body 1, and the upper end diameter of the sealing block 13 is greater than the lower end diameter, so that the sealing block 13 is more.

The working principle is as follows: when the multi-layer fluorine-lined corrugated pipe regulating valve with high protection performance is used, firstly, the regulating valve main body 1 in fig. 1 is tightly connected with a valve cover 3 through a lower flange 2 and a connecting bolt 9, the upper part and the lower part of an execution cylinder 8 are installed and connected through bolts, the left end and the right end of the regulating valve main body 1 are connected with an oil circuit through bolts, when the valve needs to be disconnected, a control panel 7 controls a valve rod 10 to descend in an installation pipe 4, so that the valve rod 10 and the corrugated pipe 11 drive a valve core 12 at the lower end of the valve rod 10 to move downwards, the valve core 12 is attached to the inner surface of a sealing block 13, the upper part and the lower part of an inner cavity of the regulating valve main body 1 are disconnected, so that the valve core 12 is tightly attached to the sealing block 13 to play a sealing function, a second protective layer 103 is made of fluorine-lined plastic and is arranged on the, the corrugated pipe 11 is made of tetrafluoroethylene propyl vinyl ether copolymer, has good strength and toughness, and avoids the corrugated pipe 11 and the valve rod 10 from becoming brittle and damaged due to long-term liquid flow scouring, namely the use method of the multilayer fluorine-lined corrugated pipe regulating valve with high protection performance.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt among the prior art, and conventional model, including the conventional connected mode among the circuit connection adoption prior art, and the details are not repeated here, and the content that does not make detailed description in this description belongs to the prior art that skilled person in the art knows.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A multilayer fluorine-lined corrugated pipe regulating valve with high protection performance comprises a regulating valve main body (1) and a lower flange (2), and is characterized in that: the upper end of the regulating valve main body (1) is connected with a lower flange (2), a valve cover (3) is arranged above the lower flange (2), a connecting bolt (9) penetrates through the valve cover (3), the upper end of the valve cover (3) is connected with a mounting pipe (4), the upper end of the mounting pipe (4) is mounted on the bracket (5), a control panel (7) is arranged at the left end of the bracket (5), a push rod shaft (6) is arranged at the inner side of the bracket (5), an actuating cylinder (8) is arranged above the push rod shaft (6), a valve rod (10) is arranged inside the regulating valve main body (1), the lower end of the valve rod (10) is connected with a valve core (12), the corrugated pipe (11) is arranged on the outer side of the valve rod (10), the convex block (14) is arranged on the outer side of the valve core (12), and a sealing block (13) arranged on the outer side of the valve core (12) is arranged below the convex block (14).

2. The multi-layer fluorine-lined bellows regulating valve with high protection performance according to claim 1, wherein: the regulating valve main body (1) comprises a supporting layer (101), a first protective layer (102) and a second protective layer (103), wherein the first protective layer (102) is tightly attached to the inner side surface of the supporting layer (101), and the second protective layer (103) is arranged on the inner side surface of the first protective layer (102).

3. The multi-layer fluorine-lined bellows regulating valve with high protection performance according to claim 1, wherein: the regulating valve is characterized in that a through hole is formed in the regulating valve main body (1), and the longitudinal section of the through hole is in a shape with a large top and a small bottom.

4. The multi-layer fluorine-lined bellows regulating valve with high protection performance according to claim 1, wherein: the longitudinal section of the corrugated pipe (11) is S-shaped, and the corrugated pipe (11) is tightly attached to the valve rod (10).

5. The multi-layer fluorine-lined bellows regulating valve with high protection performance according to claim 1, wherein: the longitudinal section of the valve core (12) is trapezoidal, and the valve core (12) is connected with the valve rod (10) in a threaded manner.

6. The multi-layer fluorine-lined bellows regulating valve with high protection performance according to claim 1, wherein: the connection mode of the sealing block (13) and the adjusting valve main body (1) is welding, and the diameter of the upper end of the sealing block (13) is larger than that of the lower end.