CN211371911U

CN211371911U - Low-temperature heat-insulation gas cylinder

Info

Publication number: CN211371911U
Application number: CN202020048503.7U
Authority: CN
Inventors: 刘智; 刘畅; 温湘梅
Original assignee: Changsha Zhongyi Gas Co ltd
Current assignee: Changsha Zhongyi Gas Co ltd
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-08-28
Anticipated expiration: 2030-01-09

Abstract

The utility model relates to a low temperature heat insulation gas cylinder, it includes the bottle, the one end of keeping away from ground of bottle is provided with the grip ring, the one end fixedly connected with connecting rod that the grip ring is close to ground, the connecting rod is kept away from fixedly connected with fixed block on the lateral wall of the one end of grip ring, on the lateral wall of bottle in the solid fixed ring of position department fixedly connected with of fixed block symmetry, gu fixed ring orientation the ring channel has been seted up to one side of bottle, the tank bottom department of ring channel is seted up threadedly, keeping away from of fixed block one side of bottle is seted up threadedly, gu fixed ring orientation the one end of fixed block is seted up jaggedly, the fixed block orientation gu fixed ring's one end. The utility model discloses have the effect that can in time change when gripping the ring and damaging.

Description

Low-temperature heat-insulation gas cylinder

Technical Field

The utility model belongs to the technical field of low temperature heat insulation pressure vessel's technique and specifically relates to a low temperature heat insulation gas cylinder is related to.

Background

At present, in the industries of machinery, chemical industry, medicine and the like, gases such as oxygen, argon, nitrogen and the like need to be used in large quantities, and when the gases are prepared, the gases are stored in a high-pressure compression mode through a high-pressure steel cylinder, and the high-pressure steel cylinder has small gas storage amount and is inconvenient to fill and transport. The cryogenic insulation gas cylinder is also called a dewar cylinder and can be used for storing cryogenic liquids (also called cryogenic liquid gas) such as liquid nitrogen, liquid oxygen, liquid natural gas and the like. The low-temperature heat-insulation gas cylinder is large in gas storage capacity, safe and reliable, so that the liquid gas is more economical and convenient to store and transport. The normal low-temperature heat-insulation gas cylinder is vertical and is formed by combining an inner container, an outer shell, a vaporizer, a valve and the like. The low-temperature heat insulation gas cylinder performs good heat insulation between low-temperature liquid gas in the liner and the external environment, namely, the liquid gas is stored for a long time by solving the three heat transfer modes of heat conduction, heat convection and heat radiation.

Chinese patent No. CN201992331U, publication date is 2011, 9, 28, and discloses a vertical low-temperature heat-insulating gas cylinder. Comprises a shell, an inner container, a distributor, an in-bottle pipeline of a pipeline control system, a neck pipe and a heat insulation layer; the shell comprises a shell body and a vacuumizing interface piece hermetically connected to the shell body; the inner container comprises an inner container body and a coil pipe interface piece which is hermetically connected to the inner container body and is positioned at the bottom of the inner container body; the heat insulation layer is arranged on the outer wall of the inner container body; the distributor is a steel integrated piece provided with an internal channel; the inner container is positioned in the inner cavity of the shell, the distributor is fixed on the shell in a sealing way, the upper end of the neck tube is fixed on the distributor in a sealing way, and the lower end of the neck tube is arranged at the peripheral part of the inner container body and fixed on the inner container body in a sealing way, so that the inner container body is suspended in the shell; the in-bottle pipeline of the pipeline control system comprises a pressurizing coil, a vaporizing coil and a sealing plate assembly; the sealing plate assembly comprises an inner cavity first pipe, a liquid inlet and outlet pipe, a gas discharge pipe and a sealing plate.

The above prior art solutions have the following drawbacks: the upper end welding of low temperature insulation gas cylinder has the ring of gripping, thereby the gas cylinder need remove the gas cylinder through the ring of gripping and the gas cylinder exposes and causes easily gripping epoxy wear and tear in the air and cause the ring of gripping to damage when the transport, owing to grip the ring welding in the upper end of gas cylinder, leads to the change that can't in time grip the ring and uses, has the improvement space.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can in time quick replacement grip ring's adiabatic gas cylinder of low temperature when grip ring damage of gas cylinder upper end not enough to prior art exists.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a low temperature adiabatic gas cylinder, the bottle comprises a bottle body, the one end of keeping away from ground of bottle is provided with the grip ring, the grip ring is close to the one end fixedly connected with connecting rod on ground, the connecting rod is kept away from fixedly connected with fixed block on the lateral wall of the one end of grip ring, on the lateral wall of bottle in the solid fixed ring of position department fixedly connected with of fixed block symmetry, gu fixed ring moves towards the ring channel has been seted up to one side of bottle, the tank bottom department of ring channel is seted up threadedly, keeping away from of fixed block one side of bottle is seted up threadedly, gu fixed ring moves towards the one end of fixed block is seted up jaggedly, the fixed block moves.

Through adopting above-mentioned technical scheme, the fixed block on the connecting rod below the ring that will grip gets into the ring channel along the breach, make the screw thread on the fixed block and the screw thread spiral on the ring channel support tightly through rotating the ring that grips, when the fixed block supports tightly along the ring channel spiral, support through the fixed block bottom and make the fixed block support tightly in the ring channel, make the ring that grips connect in an organic whole with the bottle, can change through rotatory ring that grips when the ring that grips damages, have the effect that can in time change when the ring that grips damages.

The present invention may be further configured in a preferred embodiment as: support tight piece and include recess, compression spring and butt post, the recess is seted up in the fixed block orientation solid fixed ring's one end, butt post sliding connection in the recess, compression spring's one end fixed connection in the tank bottom of recess, compression spring's the other end fixed connection in the butt post orientation the one end of recess tank bottom.

Through adopting above-mentioned technical scheme, when with the fixed block at the annular groove internal screw rotation for the abutment post supports the lateral wall of tight annular groove under compression spring's effect, makes the fixed block give the abutment post at compression spring and support under the effect of the tight power and stably fix in the annular groove, makes the grip ring can be at the upper end chucking of gas cylinder.

The present invention may be further configured in a preferred embodiment as: one end of the butt-joint column, which is far away from the bottom of the groove, is spherical.

Through adopting above-mentioned technical scheme, set up the butt post into globular towards the one end in the ring channel for when the butt post was at the interior spiral of ring channel and removed, reduce the contact frictional force between butt post and the ring channel, make the removal of butt post in the ring channel more stable.

The present invention may be further configured in a preferred embodiment as: one end of the notch, which is close to the fixed block, in the annular groove is arranged in a sealing manner.

Through adopting above-mentioned technical scheme, it is sealed to be close to the one end of fixed block with the breach for the fixed block removes breach position department, stops the fixed block, avoids the fixed block spiral to shift out the ring channel, thereby has avoided the spiral of fixed block in the ring channel to go out the ring channel and cause the unstable condition of being connected between fixed block and the ring channel to take place.

The present invention may be further configured in a preferred embodiment as: the fixing ring is close to one end of the holding ring, threaded holes are formed in the symmetrical positions of the fixing block, limiting rods are connected to the threaded holes in a threaded mode, the fixing block faces towards one end of each limiting rod, long-waist thread grooves are formed in the fixing block, and the limiting rods are in threaded connection with the long-waist thread grooves.

Through adopting above-mentioned technical scheme, wear to establish the screw hole with the gag lever post screw thread for the long waist screw thread groove way Won of gag lever post and fixed block upper end is connected, with fixed block and solid fixed ring fixed connection in an organic whole.

The present invention may be further configured in a preferred embodiment as: the limiting rod is far away from one end of the fixing ring is fixedly connected with a rotary table.

Through adopting above-mentioned technical scheme, under the effect of carousel, the user can be convenient rotate the gag lever post and support tightly, has improved user's work efficiency.

The present invention may be further configured in a preferred embodiment as: spherical grooves are formed in the annular groove at the symmetrical positions of the abutting columns, and the abutting columns are abutted to the spherical grooves.

Through adopting above-mentioned technical scheme, set up spherical groove on the bottom lateral wall of ring channel and supply butt post butt for support tightly with spherical groove when fixed block spiral to extreme position, make the support of fixed block in the ring channel tight more stable.

The present invention may be further configured in a preferred embodiment as: the lateral wall of the bottle body is fixedly connected with a support frame at one end close to the ground, and the support frame is abutted against the ground.

Through adopting above-mentioned technical scheme, under the effect of support frame for the bottle is in butt in subaerial, avoids bottle bottom and ground long-term contact, thereby causes the condition emergence of bottle bottom oxidation wear.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the utility model discloses low temperature heat insulation gas cylinder makes the screw thread on the fixed block and the screw thread spiral on the ring channel support tightly through getting into the fixed block on the connecting rod below the grip ring along the breach through rotating the grip ring, when the fixed block supports tightly along the ring channel spiral, makes the fixed block support tightly in the ring channel through the support tight piece of fixed block bottom, makes grip ring and bottle link in an organic whole, can change through rotatory grip ring when the grip ring damages, has the effect that can in time change when the grip ring damages;

2. the utility model discloses low temperature heat insulation gas cylinder seals the breach one end that is close to the fixed block for the fixed block moves to breach position department, blocks the fixed block, avoids the fixed block spiral to shift out the ring channel, has avoided the fixed block to go out the ring channel in the spiral of ring channel and has caused the unstable condition emergence of connection between fixed block and the ring channel;

3. the utility model discloses low temperature heat insulation gas cylinder is under the effect of support frame for the bottle has the effect of avoiding bottle bottom and ground long-term contact in butt in subaerial, thereby causes the condition emergence of bottle bottom oxidation wear.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is a schematic axial sectional view of the stop lever of fig. 1.

Fig. 3 is an enlarged schematic view at a in fig. 2.

In the figure, 1, a bottle body; 2. a grip ring; 3. a fixing ring; 4. a connecting rod; 5. a support frame; 6. a notch; 7. a fixed block; 8. an annular groove; 9. a limiting rod; 10. a turntable; 11. a long-waist thread groove; 12. a butting post; 13. a compression spring; 14. a groove; 15. a spherical groove; 16. a threaded bore.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In which like parts are designated by like reference numerals. It should be noted that the following description uses terms of orientation such as "front and back end," "left and right sides," "above," "below," and the like to refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" to refer to directions toward and away from, respectively, the geometric center of a particular component. In addition, the descriptions of "mounted on … …", "disposed on … …" and the like refer to two components having a certain connection and positional relationship, and do not refer to one component being on the upper surface of the other component. In the present invention, unless otherwise explicitly fixed or limited, the terms "assembled", "connected" and "connected" should be understood in a broad sense, for example, they may be fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The inclined plane in the present invention can be understood as an arc inclined plane similar to a chamfer, and can also be understood as a plane inclined plane, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood according to the specific situation.

Referring to fig. 1 and 3, for the utility model discloses a low temperature insulation gas cylinder, including bottle 1, the one end that bottle 1 kept away from ground is provided with the grip ring 2, and grip ring 2 is close to the three connecting rod 4 of the one end fixedly connected with of bottle 1, and the shape of connecting rod 4 is preferably square, and its material is preferably metal material. One end of the connecting rod 4 far away from the bottle body 1 is fixedly connected with a fixing block 7, the fixing block 7 is preferably square in shape, and the material of the fixing block 7 is preferably a metal material. The fixing rings 3 are fixedly connected to the side wall of the bottle body 1 at symmetrical positions of the fixing blocks 7, the shape of the fixing rings 3 is preferably an arc block, and the material is preferably a metal material. The side wall of the fixing ring 3 close to the inside of the bottle body 1 is provided with an annular groove 8. The tank bottom of ring channel 8 is seted up threadedly, and the one side that bottle 1 was kept away from to fixed block 7 is seted up threadedly, and solid fixed ring 3 has seted up breach 6 towards the one end of fixed block 7, and the one end that fixed block 7 was fixed ring 3 is provided with the piece of supporting. Through 7 fixed blocks that get into ring channel 8 along breach 6 on the connecting rod 4 that will grip ring 2 below, make screw thread on the fixed block 7 and the screw thread spiral on the ring channel 8 support tightly through rotating grip ring 2, when the fixed block 7 supports tightly along the screw of ring channel 8, make fixed block 7 support tightly in ring channel 8 through the tight piece that supports of fixed block 7 bottom, make grip ring 2 and bottle 1 connect in an organic whole, can change through rotatory grip ring 2 when grip ring 2 damages, have the effect that can in time change when grip ring 2 damages.

The abutting piece comprises a groove 14, a compression spring 13 and an abutting column 12, the groove 14 is formed in the bottom end of the fixing block 7, the abutting column 12 is connected into the groove 14 in a sliding mode, and the abutting column 12 is fixedly connected between the bottoms of the groove 14 and one end, facing the bottom of the groove 14, of the abutting column 12. The abutment post 12 is preferably cylindrical in shape and the material is preferably a metallic material. The material of the compression spring 13 is preferably a metallic material. The abutment post 12 is still in the recess 14 when the compression spring 13 is in the extreme position. The bottom end of the abutment post 12 is provided with a spherical shape.

One end of the notch 6, which is close to the fixed block 7, in the annular groove 8 is arranged in a sealing manner. One end of the fixing ring 3 close to the holding ring 2 is provided with threaded holes 16 at symmetrical positions of the fixing block 7, and the threaded holes 16 are connected with limiting rods 9 in an internal thread mode. The shape of the stop rod 9 is preferably a cylindrical rod, and the material thereof is preferably a metal material. The fixing block 7 is provided with a long waist thread groove 11 towards one end of the limiting rod 9, and the limiting rod 9 is in threaded connection with the long waist thread groove 11. The upper end of the limiting rod 9 is fixedly connected with a rotary disc 10, the shape of the rotary disc 10 is preferably circular, and the material of the rotary disc 10 is preferably metal material.

Spherical grooves 15 are formed in the annular groove 8 at symmetrical positions of the abutting columns 12, and the abutting columns 12 abut against the spherical grooves 15. A supporting frame 5 (refer to fig. 2) is fixedly connected to the side wall of one end of the bottle body 1 close to the ground, the supporting frame 5 is in a hollow truncated cone shape, and the material of the supporting frame is preferably a metal material.

The implementation principle of the embodiment is as follows: get into ring channel 8 along breach 6 through the fixed block 7 on the connecting rod 4 that will grip ring 2 below, make the screw thread on the fixed block 7 and the screw thread spiral on the ring channel 8 support tightly through rotating grip ring 2, when fixed block 7 supports tightly along ring channel 8 spiral, make fixed block 7 support tightly in ring channel 8 with spherical groove 15 butt under compression spring 13's effect through the butt post 12 of fixed block 7 bottom, it is sealed to be close to the one end of fixed block 7 with breach 6, make fixed block 7 spiral screw to breach 6 department, wear to establish long waist thread groove 11 threaded connection on screw hole 16 and the fixed block 7 through gag lever post 9, make grip ring 2 and bottle 1 connect in an organic whole, can change through rotatory grip ring 2 when grip ring 2 damages, the effect that can in time change when grip ring 2 damages has.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a low temperature heat insulation gas cylinder, includes bottle (1), the one end of keeping away from ground of bottle (1) is provided with grip ring (2), its characterized in that: grip ring (2) is close to one end fixedly connected with connecting rod (4) on ground, keep away from connecting rod (4) fixedly connected with fixed block (7) on the lateral wall of the one end of grip ring (2), on the lateral wall of bottle (1) in the solid fixed ring of position department fixedly connected with (3) of fixed block (7) symmetry, gu fixed ring (3) orientation ring channel (8) have been seted up to one side of bottle (1), the tank bottom department of ring channel (8) sets up screw thread, keep away from of fixed block (7) one side of bottle (1) is seted up screw thread, gu fixed ring (3) orientation breach one end of fixed block (7) is seted up jaggedly (6), fixed block (7) orientation the one end of solid fixed ring (3) is provided with and supports the piece.

2. A cryogenically insulated gas cylinder according to claim 1, wherein: support tight piece and include recess (14), compression spring (13) and butt post (12), recess (14) are seted up fixed block (7) orientation the one end of solid fixed ring (3), butt post (12) sliding connection in recess (14), the one end fixed connection of compression spring (13) in the tank bottom of recess (14), the other end fixed connection of compression spring (13) in butt post (12) orientation the one end of recess (14) tank bottom.

3. A cryogenically insulated gas cylinder according to claim 2, wherein: one end of the abutting column (12) far away from the bottom of the groove (14) is spherical.

4. A cryogenically insulated gas cylinder according to claim 1, wherein: one end of the notch (6) in the annular groove (8) close to the fixed block (7) is arranged in a sealing manner.

5. A cryogenically insulated gas cylinder according to claim 1, wherein: the fixing ring (3) is close to one end of the holding ring (2) and is provided with a threaded hole (16) at the symmetrical position of the fixing block (7), the threaded hole (16) is internally connected with a limiting rod (9), the fixing block (7) faces towards one end of the limiting rod (9) and is provided with a long-waist thread groove (11), and the limiting rod (9) is in threaded connection with the long-waist thread groove (11).

6. A cryogenically insulated gas cylinder according to claim 5, wherein: the limiting rod (9) is far away from one end of the fixing ring (3) and is fixedly connected with a turntable (10).

7. A cryogenically insulated gas cylinder according to claim 2, wherein: spherical grooves (15) are formed in the annular groove (8) at symmetrical positions of the abutting columns (12), and the abutting columns (12) abut against the spherical grooves (15).

8. A cryogenically insulated gas cylinder according to claim 1, wherein: the bottle body (1) is close to the lateral wall of one end on the ground and is fixedly connected with a support frame (5), and the support frame (5) is abutted against the ground.