CN112503187A

CN112503187A - Ultra-low temperature valve with fast-assembling mechanism

Info

Publication number: CN112503187A
Application number: CN202110000773.XA
Authority: CN
Inventors: 李红
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-03-16

Abstract

The invention relates to the technical field of ultralow temperature valves, in particular to an ultralow temperature valve with a quick-assembly mechanism, which comprises a valve body, wherein the valve body comprises a valve body, the right side of the valve body is fixedly connected with a quick-assembly component, the quick-assembly component comprises a connecting component, the connecting component comprises a first flange, the right side of the first flange is provided with a second flange, the right side of the second flange is fixedly connected with a hose, the right side of the hose is provided with an installation component, the installation component comprises an outer pipe, the inner part of the outer pipe is movably connected with an outer sleeve, and the inner part of the outer sleeve is connected with an inner screw barrel. According to the invention, the quick assembly component is arranged, so that the pipeline can be quickly installed, the external thread sleeve can rotate to extrude and fix the internal connecting pipeline, and meanwhile, the hose is arranged, so that the pipelines with different axes can be installed, and the installation efficiency is improved.

Description

Ultra-low temperature valve with fast-assembling mechanism

Technical Field

The invention relates to the technical field of ultralow temperature valves, in particular to an ultralow temperature valve with a quick-assembly mechanism.

Background

The valve below 29 ℃ below zero is a low-temperature valve, the valve below 101 ℃ below zero is an ultralow-temperature valve, the valve is made of low alloy steel with good low-temperature performance, the valve has special requirements on structural design and process, such as a structure for preventing liquid stored in a body cavity from being gasified and generating abnormal pressure rise, a long-neck structure, a vacuum jacket and the like are adopted to reduce cold loss, the valve is used for a production device for liquefying and separating petroleum products, petroleum gas and natural gas, liquid oxygen and the like, and output liquid low-temperature media, such as ethylene, liquid oxygen, liquid hydrogen, liquefied natural gas, liquefied petroleum products and the like, are flammable and explosive, are gasified when the temperature is raised, and expand in volume by hundreds of times when the gas is gasified, and the application of the low-temperature valve plays a role in controlling the temperature and preventing hidden dangers, such as explosion, leakage and the.

To this end, the chinese application patent No. CN109268556B discloses an ultra-low temperature stop valve, the invention belongs to the ultra-low temperature valve technology field, especially an ultra-low temperature stop valve, including: the valve comprises a valve body, a valve clack, a valve rod, a valve cover and a valve handle, wherein a first shielding plate and a second shielding plate are arranged right above the valve cover, the first shielding plate and the second shielding plate are arranged oppositely and are arranged at a certain distance, the first shielding plate is fixedly connected with the valve cover, and the valve rod penetrates through the centers of the first shielding plate and the second shielding plate; the invention provides an ultra-low temperature stop valve, which is characterized in that an isolation cylinder is arranged between a first shielding plate and a second shielding plate, the lower end of the isolation cylinder is fixedly connected with the outer ring of the first shielding plate, and the upper end of the isolation cylinder is fixedly connected with the outer ring of the second shielding plate, the isolation cylinder is arranged right above a valve cover, the isolation cylinder is arranged between the first shielding plate and the second shielding plate, water vapor is prevented from contacting the position where a valve rod is contacted with the valve cover, and further the position where the valve rod is contacted with the valve cover is prevented from being frozen, the problem that the normal use of the valve is influenced because the opening and closing of the valve rod is blocked because water is condensed into ice at the position of the valve rod and the valve cover at low temperature is solved, although the problem of freezing at the connecting position of the valve rod is solved, the valve is still connected in a flange connection mode, and is required to be installed and fixed by, the valve is frequently operated, and cannot be quickly installed and used, and in addition, when the existing valve is installed, a pipeline and the valve body are required to be ensured to be positioned on the same axis, so that the installation and the laying of the valve are caused, certain precision needs to be kept on the laying precision and the axis position of the pipeline, the installation speed of the valve is further reduced, and the installation and the operation of the valve become complicated.

It is therefore desirable to design a ultra-low temperature valve with a quick-install mechanism to solve the above problems.

Disclosure of Invention

The invention aims to provide an ultralow temperature valve with a quick-assembly mechanism, which aims to solve the problems that the ultralow temperature valve cannot be quickly installed and the installation axis cannot be adjusted in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an ultra-low temperature valve with a fast-assembly mechanism comprises a valve body, wherein the valve body comprises a valve cover fixedly connected with the upper surface of the valve body, a protective sleeve is fixedly connected above the valve cover, a threaded sleeve is fixedly connected with the upper surface of the protective sleeve, a valve rod penetrates through the interior of the threaded sleeve, a rotating handle is fixedly connected with the top of the valve rod, a valve seat is fixedly connected with the inner wall of the valve body, a first valve core is fixedly connected with the lower surface of the valve rod, a second valve core is arranged below the first valve core, a fast-assembly component is fixedly connected with the right side of the valve body, the fast-assembly component comprises a connecting component, the connecting component comprises a first flange, a second flange is arranged on the right side of the first flange, a convex strip is fixedly connected with the right side surface of the first flange, and a sealing strip is arranged, the left side of second flange is provided with the filter screen, the edge of first flange and second flange runs through there is hexagon bolt, hexagon bolt's right side is connected with the nut, the right side fixedly connected with hose of second flange, the right side of hose is provided with the installation component, the installation component includes the outer tube, the inside swing joint of outer tube has outer jacket, the barrel in the internal connection of outer jacket, the internal connection of interior barrel has the extrusion terminal surface, the right-hand member fixedly connected with go-between of extrusion terminal surface, the inside of go-between is provided with the pipeline.

Preferably, the first flange of both ends is all fixedly connected with about the valve body, the below of valve rod is smooth form, the top of valve rod is the screw thread form, the top fixedly connected with screw thread section of thick bamboo of thread bush, and inside run through has the valve rod, the thread bush is threaded connection with the connected mode of valve rod.

Preferably, the valve seat is of a C-shaped structure, the diameter of the upper transverse sealing ring is smaller than that of the lower sealing ring, the upper transverse sealing ring and the lower transverse sealing ring are both conical structures, the upper surface of the first valve core is fixedly connected with a sealing pressure plate, the upper half part of the first valve core is of a frustum structure, the lower half part of the first valve core is of a cylindrical shape, and the second valve core and the first valve core are identical in structure.

Preferably, the bottom of the valve rod is step-shaped, the outer surface of the valve rod is provided with threads, the upper surface of the first valve core is provided with a threaded hole and is in threaded connection with the valve rod, the outer wall of the first valve core is of a flexible structure, the lower end of the valve rod is provided with a limiting block, the diameter of the limiting block is smaller than that of the step column above the limiting block, and the center of the second valve core is provided with a threaded hole.

Preferably, the connected mode of first flange and second flange is the plug connection, the annular groove has been seted up in the left side of second flange, and inside is provided with the sealing strip, the left side inward flange of second flange is the step form, and inside is provided with the filter screen, the outside of hex bolts cup joints elastic gasket, and is in the left side of nut.

Preferably, the hose includes outer polyethylene, the right-hand member fixedly connected with connector of outer polyethylene, the inner wall fixedly connected with heat preservation of outer polyethylene, the inner wall fixedly connected with inoxidizing coating of heat preservation, the inside of inoxidizing coating is provided with the metal mesh, the inner wall fixedly connected with supporting layer of inoxidizing coating, the inside of supporting layer is provided with the support ring, the inner wall fixedly connected with inner polyethylene of supporting layer.

Preferably, the hose is flexible structure, the metal mesh is the rhombus and weaves the form, the inoxidizing coating has all been wrapped up at the both ends of metal mesh, the support ring is provided with three altogether, and evenly distributed is in the inside of supporting layer, the cross-section of support ring is the U-shaped structure.

Preferably, the hose is fixedly connected to the left side of the outer pipe, a groove is formed in the outer portion of the outer pipe, an outer sleeve is connected to the inner portion of the outer pipe in a sliding mode, a guide sealing sleeve is movably connected between the outer sleeve and the outer pipe, and anti-skid threads are formed in the outer surface of the outer sleeve.

Preferably, interior spiral shell section of thick bamboo is threaded connection with the connected mode of outer thread cover, the inner wall of outer tube is provided with the spout, and inside is provided with interior spiral shell section of thick bamboo, interior spiral shell section of thick bamboo is L shape structure, the waterproof slide pipe of left side fixedly connected with of interior spiral shell section of thick bamboo, and be sliding connection with the inner wall of outer tube.

Preferably, the inner wall of interior spiral shell section of thick bamboo is the slope form, the outer wall of extrusion terminal surface is the slope form, the inner wall of extrusion terminal surface is provided with anti-skidding line, the extrusion terminal surface is flexible structure.

Compared with the prior art, the invention has the beneficial effects that:

1. this ultra-low temperature valve passes through the setting of fast-assembling subassembly, can realize the quick installation of valve, and the mode through the swivel nut fastening realizes fixed to the extrusion of pipeline, and it is fixed mainly to the extrusion of internally mounted pipeline through the transmission realization of thread bush, and easy operation only needs the rotation through outer swivel nut to realize fixed to the extrusion of pipeline, replaces the connected mode of traditional nut flange to carry out erection joint to improve the quick installation of valve, improved its installation effectiveness, realize the fast-assembling of valve.

2. This ultra-low temperature valve passes through the setting of hose, can realize that the installation component at both ends carries out the regulation of certain limit to the realization is adjusted the installation axis of valve, further can improve the installation effectiveness of valve, can realize installing the pipeline of the difference of axis about the installation through its regulation, further improved the installation effectiveness of valve.

Drawings

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

FIG. 2 is a schematic front view, partially in section, of the present invention;

FIG. 3 is an enlarged view of the structure A in FIG. 2 according to the present invention;

FIG. 4 is a schematic sectional view of the connecting assembly of the present invention;

FIG. 5 is a schematic view of the overall construction of the hose of the present invention;

fig. 6 is a front sectional view of the mounting assembly of the present invention.

In the figure: 1. a valve body; 11. a valve body; 12. a valve cover; 13. a protective sleeve; 14. a threaded sleeve; 15. rotating the handle; 16. a valve stem; 17. a valve seat; 18. a first valve spool; 19. a second valve core; 2. fast assembly; 21. a connecting assembly; 211. a first flange; 212. a second flange; 213. a convex strip; 214. a sealing strip; 215. a hexagon bolt; 216. a nut; 217. filtering with a screen; 22. a hose; 221. outer polyethylene; 222. a heat-insulating layer; 223. a protective layer; 224. a metal mesh; 225. a support layer; 226. a support ring; 227. inner layer polyethylene; 228. a connector; 23. mounting the component; 231. an outer tube; 232. an external thread sleeve; 233. an inner screw cylinder; 234. extruding the end face; 235. a connecting ring; 3. a pipeline.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, an embodiment of the present invention is shown:

an ultra-low temperature valve with a fast-assembling mechanism comprises a valve body 1, wherein the valve body 1 comprises a valve body 11, the upper surface of the valve body 11 is fixedly connected with a valve cover 12, a protective sleeve 13 is fixedly connected above the valve cover 12, a thread sleeve 14 is fixedly connected on the upper surface of the protective sleeve 13, a valve rod 16 penetrates through the thread sleeve 14, the top of the valve rod 16 is fixedly connected with a rotating handle 15, the inner wall of the valve body 11 is fixedly connected with a valve seat 17, the lower surface of the valve rod 16 is fixedly connected with a first valve core 18, a second valve core 19 is arranged below the first valve core 18, the valve rod 16 can be driven to rotate by rotating the rotating handle 15, further, the up-and-down movement of the valve rod 16 can be realized through the arrangement of the thread sleeve 14, the up-and-down lifting of the first valve core 18 and the second valve core 19 can be further realized, the opening and closing of the valve can, the right side of the valve body 11 is fixedly connected with a fast assembly component 2,

the fast-assembly component 2 comprises a connecting component 21, the connecting component 21 comprises a first flange 211, a second flange 212 is arranged on the right side of the first flange 211, a convex strip 213 is fixedly connected to the right side surface of the first flange 211, a sealing strip 214 is arranged on the left side of the second flange 212, a filter screen 217 is arranged on the left side of the second flange 212, a hexagon bolt 215 penetrates through the edges of the first flange 211 and the second flange 212, a nut 216 is connected to the right side of the hexagon bolt 215, when the fast-assembly component is installed, the second flange 212 is firstly connected to the two ends of the valve body 11 through the first flange 211, so that the installation of the hose 22 and the installation component 23 is realized, the hose 22 is fixedly connected to the right side,

the right side of hose 22 is provided with installation component 23, installation component 23 includes outer tube 231, the inside swing joint of outer tube 231 has outer jacket 232, the internal connection of outer jacket 232 has interior barrel 233, the internal connection of interior barrel 233 has extrusion terminal surface 234, the right-hand member fixedly connected with go-between 235 of extrusion terminal surface 234, the inside of go-between 235 is provided with pipeline 3, through the setting of this structure, can realize quick installation to pipeline 3, when the installation, at first insert pipeline 3 in the inside of installation component 23, and support its one end at interior barrel 233, further can drive interior barrel 233 through rotating outer jacket 232 and remove, move right through interior barrel 233 and can realize the extrusion to extrusion terminal surface 234, further can realize the extrusion to pipeline 3, thereby realize the fastening to pipeline 3.

The first flange 211 of both ends is all fixedly connected with about valve body 11, and the below of valve rod 16 is smooth form, and the top of valve rod 16 is the screw thread form, and the top fixedly connected with screw thread section of thick bamboo of thread bush 14, and inside runs through there is valve rod 16, and the thread bush 14 is threaded connection with the connected mode of valve rod 16, and through rotating valve rod 16, can realize adjusting the upper and lower displacement of valve rod 16 through the fixed of thread bush 14, and then can realize adjusting the upper and lower of first case 18 and second case 19.

Disk seat 17 is C shape structure, and the diameter of top transverse seal ring ratio below sealing ring is little, and its inside all is the toper structure, the last fixed surface of first case 18 is connected with the sealing pressure plate, first case 18 first half is the frustum structure, the lower half is cylindricly, second case 19 is the same with first case 18's structure, setting through its toper structure, can realize its sealed high efficiency, simultaneously through its toper setting, can eliminate the wearing and tearing consumption in later stage, and then improve the availability factor of valve, adopt the sealed setting of double-deck from top to bottom simultaneously, can improve the leakproofness of valve.

The bottom of valve rod 16 is the step form, and the surface is provided with the screw thread, the upper surface of first case 18 is provided with the screw hole, and be threaded connection with valve rod 16, the outer wall of first case 18 is flexible structure, the lower extreme of valve rod 16 is provided with the stopper, and the diameter is less than the diameter with the step post of top, screw hole has been seted up at the center of second case 19, through its screw thread installation formula structure, can realize the dismantlement of first case 18 and second case 19 and change, and then can appear when excessive wearing and tearing in first case 18 and second case 19, realize the dismantlement to first case 18 and second case 19, thereby realize the change to first case 18 and second case 19, avoid the whole change of valve, save the cost.

First flange 211 is plug-in connection with the connected mode of second flange 212, annular groove has been seted up in the left side of second flange 212, and inside is provided with sealing strip 214, setting through sealing strip 214, can improve the leakproofness that first flange 211 and second flange 212 are connected, further installation extrusion of first flange 211 and second flange 212 when through the installation, improve sealed effect between them, the left side inward flange of second flange 212 is the step form, and inside is provided with filter screen 217, hexagon bolt 215's outside cup joints elastic gasket, and be in the left side of nut 216, can improve hexagon bolt 215 and nut 216's connection fastening nature, it is not hard up to avoid nut 216 to appear.

The hose 22 comprises an outer layer polyethylene 221, a connector 228 is fixedly connected at the right end of the outer layer polyethylene 221, the outer layer polyethylene 221 and the inner layer polyethylene 227 are thermoplastic resin prepared by polymerizing ethylene, and in industry, the hose also comprises a copolymer of ethylene and a small amount of olefin, the polyethylene is odorless and nontoxic, feels like wax, and has excellent low-temperature resistance, an insulating layer 222 is fixedly connected at the inner wall of the outer layer polyethylene 221, the insulating layer 222 is made of polyurethane rigid foam, isocyanate and polyether are used as main raw materials, under the action of a foaming agent, a catalyst, a flame retardant and other various auxiliary agents, the polyurethane rigid foam is mixed through special equipment, and a high polymer formed by high-pressure spraying and on-site foaming is adopted, so that the hose has a good heat insulation effect, a protective layer 223 is fixedly connected at the inner wall of the insulating layer 222, a metal mesh 224 is arranged inside the protective layer 223, and a support, a support ring 226 is arranged inside the support layer 225, and an inner layer polyethylene 227 is fixedly connected to the inner wall of the support layer 225.

Hose 22 is flexible construction, and metal mesh 224 is the rhombus and weaves the form, and the both ends of metal mesh 224 have all wrapped up the inoxidizing coating 223, and the setting of metal mesh 224 realizes promoting hose 22's toughness to improve its life, support ring 226 is provided with threely altogether, and evenly distributed plays the effect of supporting in the inside of support layer 225, avoids hose 22 to appear sinking, leads to its these losses of rolling over, and the cross-section of support ring 226 is the U-shaped structure.

The hose 22 is fixedly connected to the left side of the outer pipe 231, a groove is formed in the outer portion of the outer pipe 231, an outer sleeve 232 is connected to the inner portion of the outer pipe 231 in a sliding mode, a guide sealing sleeve is movably connected between the outer sleeve 232 and the outer pipe 231, the outer sleeve 232 rotates when sealing is achieved, anti-skidding threads are formed in the outer surface of the outer sleeve 232, friction force is improved, and rotation and use are facilitated.

Interior spiral shell section of thick bamboo 233 is threaded connection with outer jacket 232's connected mode, the inner wall of outer tube 231 is provided with the spout, and inside spiral shell section of thick bamboo 233 that is provided with, interior spiral shell section of thick bamboo 233 is L shape structure, the waterproof sliding tube of left side fixedly connected with of interior spiral shell section of thick bamboo 233, and be sliding connection with the inner wall of outer tube 231, the inner wall of interior spiral shell section of thick bamboo 233 is the slope form, the outer wall of extrusion terminal surface 234 is the slope form, the inner wall of extrusion terminal surface 234 is provided with anti-skidding line, extrusion terminal surface 234 is flexible structure, in use, through the extrusion of interior spiral shell section of thick bamboo 233 to extrusion terminal surface 234, realize the extrusion of extrusion terminal surface 234 to pipeline 3, thereby the.

The working principle is as follows: when the quick-assembly component 2 is used, firstly, the quick-assembly component 2 is arranged at two ends of the valve body 11, the pipeline 3 can be further installed, when the quick-assembly component is installed, the pipeline 3 is inserted into the installation component 23 and is abutted against the surface of the inner screw cylinder 233, the outer screw sleeve 232 is further rotated, the inner screw cylinder 233 can be driven to move through the rotation of the outer screw sleeve 232, the right movement of the inner screw cylinder 233 can be further realized, the extrusion end face 234 can be further extruded, meanwhile, the pipeline 3 can be extruded and fixed through the extrusion end face 234, and the flexible structure can be used for installing pipelines 3 which are not coaxial, so that the pipeline 3 is prevented from being vertically deviated, and the installation is complicated.

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

1. The utility model provides an ultra-low temperature valve with fast-assembling mechanism, includes valve main part (1), its characterized in that: the valve body (1) comprises a valve body (11), the upper surface of the valve body (11) is fixedly connected with a valve cover (12), a protective sleeve (13) is fixedly connected above the valve cover (12), a threaded sleeve (14) is fixedly connected on the upper surface of the protective sleeve (13), a valve rod (16) penetrates through the interior of the threaded sleeve (14), a rotating handle (15) is fixedly connected at the top of the valve rod (16), a valve seat (17) is fixedly connected on the inner wall of the valve body (11), a first valve core (18) is fixedly connected on the lower surface of the valve rod (16), a second valve core (19) is arranged below the first valve core (18), a quick assembly component (2) is fixedly connected on the right side of the valve body (11), the quick assembly (2) comprises a connecting component (21), and the connecting component (21) comprises a first flange (211), the right side of first flange (211) is provided with second flange (212), the right flank fixedly connected with sand grip (213) of first flange (211), the left side of second flange (212) is provided with sealing strip (214), the left side of second flange (212) is provided with filter screen (217), first flange (211) has hexagonal bolt (215) with the edge of second flange (212) runs through, the right side of hexagonal bolt (215) is connected with nut (216), the right side fixedly connected with hose (22) of second flange (212), the right side of hose (22) is provided with installation component (23), installation component (23) includes outer tube (231), the inside swing joint of outer tube (231) has outer jacket (232), the internal connection of outer jacket (232) has interior barrel (233), the internal connection of interior barrel (233) has extrusion terminal surface (234), the right end of the extrusion end face (234) is fixedly connected with a connecting ring (235), and a pipeline (3) is arranged inside the connecting ring (235).

2. The ultra-low temperature valve with the quick install mechanism as claimed in claim 1, wherein: the valve body (11) is controlled the first flange (211) of both ends fixedly connected with all, the below of valve rod (16) is smooth form, the top of valve rod (16) is the screw thread form, the top fixedly connected with screw thread section of thick bamboo of thread bush (14), and inside run through has valve rod (16), thread bush (14) is threaded connection with the connected mode of valve rod (16).

3. The ultra-low temperature valve with the quick install mechanism as claimed in claim 1, wherein: the valve seat (17) is of a C-shaped structure, the diameter of the upper transverse sealing ring is smaller than that of the lower sealing ring, the upper transverse sealing ring is of a conical structure, the upper surface of the first valve core (18) is fixedly connected with a sealing pressure plate, the upper half part of the first valve core (18) is of a frustum structure, the lower half part of the first valve core (18) is of a cylindrical shape, and the second valve core (19) is of the same structure as the first valve core (18).

4. The ultra-low temperature valve with the quick install mechanism as claimed in claim 1, wherein: the bottom of the valve rod (16) is step-shaped, the outer surface of the valve rod is provided with threads, the upper surface of the first valve core (18) is provided with a threaded hole and is in threaded connection with the valve rod (16), the outer wall of the first valve core (18) is of a flexible structure, the lower end of the valve rod (16) is provided with a limiting block, the diameter of the limiting block is smaller than that of the step column above the limiting block, and the center of the second valve core (19) is provided with a threaded hole.

5. The ultra-low temperature valve with the quick install mechanism as claimed in claim 1, wherein: first flange (211) are plug connection with the connected mode of second flange (212), the annular groove has been seted up to the left side of second flange (212), and inside is provided with sealing strip (214), the left side inward flange of second flange (212) is the step form, and inside is provided with filter screen (217), the outside of hex bolts (215) is cup jointed elastic gasket, and is in the left side of nut (216).

6. The ultra-low temperature valve with the quick install mechanism as claimed in claim 1, wherein: the hose (22) comprises an outer layer of polyethylene (221), a right end fixedly connected with connector (228) of the outer layer of polyethylene (221), an inner wall fixedly connected with heat preservation layer (222) of the outer layer of polyethylene (221), an inner wall fixedly connected with protection layer (223) of the heat preservation layer (222), a metal mesh (224) is arranged inside the protection layer (223), an inner wall fixedly connected with supporting layer (225) of the protection layer (223), a supporting ring (226) is arranged inside the supporting layer (225), and an inner wall fixedly connected with inner layer of polyethylene (227) of the supporting layer (225).

7. The ultra-low temperature valve with quick install mechanism as claimed in claim 6, wherein: the hose (22) is flexible structure, metal mesh (224) are the rhombus and weave the form, the both ends of metal mesh (224) have all wrapped up inoxidizing coating (223), support ring (226) are provided with three altogether, and evenly distributed is in the inside of support layer (225), the cross-section of support ring (226) is the U-shaped structure.

8. The ultra-low temperature valve with the quick install mechanism as claimed in claim 1, wherein: the anti-skid pipe is characterized in that a hose (22) is fixedly connected to the left side of the outer pipe (231), a groove is formed in the outer portion of the outer pipe (231), an outer sleeve (232) is connected to the inner portion of the outer pipe (231) in a sliding mode, a guide sealing sleeve is movably connected between the outer sleeve (232) and the outer pipe (231), and anti-skid threads are formed in the outer surface of the outer sleeve (232).

9. The ultra-low temperature valve with the quick install mechanism as claimed in claim 1, wherein: interior spiral shell section of thick bamboo (233) is threaded connection with the connected mode of outer thread sleeve (232), the inner wall of outer tube (231) is provided with the spout, and inside spiral shell section of thick bamboo (233) in being provided with, interior spiral shell section of thick bamboo (233) is L shape structure, the left side fixedly connected with waterproof slide pipe of interior spiral shell section of thick bamboo (233), and be sliding connection with the inner wall of outer tube (231).

10. The ultra-low temperature valve with the quick install mechanism as claimed in claim 1, wherein: the inner wall of interior spiral shell section of thick bamboo (233) is the slope form, the outer wall of extrusion terminal surface (234) is the slope form, the inner wall of extrusion terminal surface (234) is provided with anti-skidding line, extrusion terminal surface (234) are flexible structure.