CN112228766A

CN112228766A - Novel LNG (liquefied Natural gas) bottle for vehicle

Info

Publication number: CN112228766A
Application number: CN202011195765.7A
Authority: CN
Inventors: 沈伟栋; 沈伟盛; 施令
Original assignee: Jiangsu Welland Special Equipment Technology Co ltd
Current assignee: Jiangsu Welland Special Equipment Technology Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-01-15

Abstract

The invention discloses a novel LNG vehicle bottle, which comprises a shell, wherein a sealing plate is fixed at the opening position of the shell, a tank body penetrating through the sealing plate is fixed in the shell through a support, a vacuum chamber is arranged between the tank body and the shell, a vacuum interface is fixedly embedded in the shell, a valve is fixedly embedded in the vacuum interface, a sealing ring covers the joint of the shell and the sealing plate, an outer plate is fixed on the sealing ring, and an annular air bag wraps the shell. Through the gap position reinforcement sealing washer between closing plate and casing, can guarantee to use the back for a long time, the condition that can not appear leaking into outside air guarantees the vacuum effect, through annular gasbag cooperation barrel, can play a good anticollision effect, at assembly, use and maintenance in-process, ensures the safety and stability of jar body, can support whole through the annular frame, and the annular frame passes through the locating pin butt joint, and convenient the dismantlement need not the instrument and can operate.

Description

Novel LNG (liquefied Natural gas) bottle for vehicle

Technical Field

The invention belongs to the technical field of LNG (liquefied natural gas) vehicle bottles, and particularly relates to a novel LNG vehicle bottle.

Background

With the recent development of Liquefied Natural Gas (LNG) industry, LNG is used as a clean petrochemical energy source because of its characteristics of convenient transportation, flexible use, no restriction by pipe networks, and the like.

The liquefied natural gas storage tank for the vehicle is a high-vacuum heat-insulating container for storing liquefied natural gas on an automobile. A double layer (vacuum) structure is designed. The inner container is used for storing low-temperature liquefied LNG, the outer wall of the inner container is wound with a plurality of layers of heat insulating materials, the inner container has super heat insulating performance, and meanwhile, a jacket (a space between two layers of containers) is pumped into high vacuum to jointly form a good heat insulating system.

However, when the current tank body is used, the space of the internal vacuum is easy to leak due to the long-term use of the gap, so that the gas enters the vacuum chamber, the heat insulation effect is greatly influenced, and meanwhile, in the assembling, using and overhauling processes, collision is easy to occur, so that loss is caused to the tank body.

Disclosure of Invention

The invention aims to provide a novel LNG vehicle bottle to solve the problems of sealing a vacuum chamber and preventing collision.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a novel LNG automobile-used bottle, includes the casing, the opening rigidity of casing has the closing plate, be fixed with the jar body that runs through the closing plate through the support in the casing, be provided with real empty room between jar body and the casing, fixed embedding has the vacuum interface on the casing, fixed embedding has the valve on the vacuum interface, the casing covers with the seam crossing of closing plate has the sealing washer, be fixed with the planking on the sealing washer, the parcel has annular gasbag on the casing.

Preferably, the outer plate is fixed with an insertion rod, and the sealing plate and the shell are both provided with slots which are inserted into the insertion rod, so that the position of the outer plate can be positioned.

Preferably, sealing washer and planking are half mosaic structure, are fixed with threaded rod and lantern ring on two planking half and half respectively, and the threaded rod inserts the setting with the lantern ring, and the screw thread is provided with the thread bush of hugging closely with the lantern ring contact on the threaded rod, guarantees the sealed reinforcement of butt joint department.

Preferably, a cylinder body is fixed on the annular air bag, an annular limiting seat is fixed on the shell, and the cylinder body is matched with the limiting seat and can be used for limiting and positioning the moving position of the cylinder body on the shell.

Preferably, the barrel is sleeved with an annular frame in a sliding mode, a positioning ring is fixed on the annular frame, a positioning pin is arranged in the positioning ring in a sliding mode, and the positioning pin is connected with the annular frame through a first spring, so that the stretching and retracting reset stability of the positioning pin is guaranteed.

Preferably, the shell is provided with a positioning groove, and the positioning pin is inserted into the positioning groove, so that the annular frame is conveniently positioned, butted and fixed.

Preferably, be provided with the recess on the spacing seat, it is provided with the bayonet lock to slide in the recess, and the bayonet lock passes through second spring coupling with the recess, guarantees the flexible stability that resets of bayonet lock.

Preferably, the barrel is provided with a through hole, and the bayonet lock is sleeved with the through hole in a sliding manner, so that the barrel is fixed in position.

Preferably, the sealing plate is provided with a cover body covering the end part of the tank body, the cover body and the sealing plate are fixed through a threaded knob, a threaded ring is fixed on the cover body, a threaded groove is formed in the sealing plate, and the threaded knob is respectively in threaded arrangement with the threaded ring and the threaded groove.

Preferably, a bottom foot is fixed on the annular frame, and a mounting hole is formed in the bottom foot, so that the vehicle can be conveniently mounted and butted.

Compared with the prior art, the invention has the beneficial effects that: the sealing ring is reinforced at the gap between the sealing plate and the shell, so that the condition of leaking external air after long-term use can be avoided, and the vacuum effect is ensured;

the annular air bag is matched with the barrel, so that a good anti-collision effect can be achieved, and the safety and stability of the tank body are ensured in the assembling, using and overhauling processes;

can support whole through annular frame, and annular frame passes through the locating pin butt joint, and convenient the dismantlement need not the instrument and can operate.

Drawings

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

FIG. 2 is a side view of the seal ring and the outer plate of the present invention;

FIG. 3 is an enlarged view of the invention at a;

FIG. 4 is an enlarged partial view of the bayonet portion of the present invention.

In the figure: 1. a housing; 11. a sealing plate; 12. a tank body; 13. a vacuum chamber; 14. a vacuum interface; 15. a valve; 16. a seal ring; 17. an outer plate; 18. an annular air bag; 2. a slot; 21. inserting a rod; 22. a threaded rod; 23. a collar; 24. a threaded sleeve; 3. a barrel; 31. a limiting seat; 32. an annular frame; 33. a positioning ring; 34. positioning pins; 35. a first spring; 36. positioning a groove; 4. a groove; 41. a bayonet lock; 42. a second spring; 43. a through hole; 5. a cover body; 51. a threaded knob; 6. footing; 61. and (7) installing holes.

Detailed Description

Referring to fig. 1, a novel LNG vehicle bottle includes a housing 1, a sealing plate 11 is fixed at an opening position of the housing 1, a tank 12 penetrating through the sealing plate 11 is fixed in the housing 1 through a bracket, a vacuum chamber 13 is arranged between the tank 12 and the housing 1, a vacuum port 14 is fixed on the housing 1, a valve 15 is fixed on the vacuum port 14, a sealing ring 16 covers a joint between the housing 1 and the sealing plate 11, an outer plate 17 is fixed on the sealing ring 16, and an annular air bag 18 is wrapped on the housing 1.

Referring to fig. 1, an insertion rod 21 is fixed on the outer plate 17, and the sealing plate 11 and the housing 1 are provided with slots 2 inserted into the insertion rod 21, so as to position the outer plate 17.

Referring to fig. 1 and 2, the sealing ring 16 and the outer plate 17 are both of a half-and-half splicing structure, a threaded rod 22 and a lantern ring 23 are respectively fixed on the two half-and-half outer plates 17, the threaded rod 22 and the lantern ring 23 are inserted, and a threaded sleeve 24 which is in contact with and clings to the lantern ring 23 is arranged on the threaded rod 22 in a threaded manner, so that sealing and reinforcing of a joint are ensured.

Referring to fig. 1, a cylinder 3 is fixed on the annular air bag 18, an annular limiting seat 31 is fixed on the housing 1, and the cylinder 3 is engaged with the limiting seat 31 to limit and position the moving position of the cylinder 3 on the housing 1.

Referring to fig. 1 and 3, an annular frame 32 is slidably sleeved on the barrel 3, a positioning ring 33 is fixed on the annular frame 32, a positioning pin 34 is slidably disposed in the positioning ring 33, and the positioning pin 34 is connected with the annular frame 32 through a first spring 35, so as to ensure the stable extension and retraction of the positioning pin 34.

Referring to fig. 1 and 3, a positioning groove 36 is disposed on the housing 1, and the positioning pin 34 is inserted into the positioning groove 36 to facilitate positioning, abutting and fixing of the ring frame 32.

Referring to fig. 1 and 4, a groove 4 is formed in the limiting seat 31, a detent 41 is slidably disposed in the groove 4, and the detent 41 is connected with the groove 4 through a second spring 42 to ensure the stable extension and retraction of the detent 41.

Referring to fig. 1 and 4, the cylinder 3 is provided with a through hole 43, and the locking pin 41 is slidably sleeved with the through hole 43 to fix the cylinder 3.

Referring to fig. 1, a cover body 5 covering an end portion of a can body 12 is disposed on a sealing plate 11, the cover body 5 and the sealing plate 11 are fixed by a screw knob 51, a screw ring is fixed on the cover body 5, a screw groove is disposed on the sealing plate 11, and the screw knob 51 is respectively screwed with the screw ring and the screw groove.

Referring to fig. 1, the annular frame 32 is fixed with a bottom foot 6, and the bottom foot 6 is provided with a mounting hole 61 for facilitating mounting and butt joint of vehicles.

The working principle of the scheme is as follows: when the annular air bag 18 needs to be installed, the annular air bag 18 is driven to be sleeved on the shell 1 in a sliding mode through the barrel 3, the barrel 3 is in fit butt joint with the limiting seat 31, the position of the clamping pin 41 corresponds to the position of the through hole 43 at the moment, and the position fixing of the barrel 3 and the shell 1 is completed through the resetting effect of the second spring 42.

When the annular frame 32 needs to be fixed, the positioning pin 34 is pulled outwards, so that the annular frame 32 and the barrel 3 are sleeved in a sliding manner, and when the position of the positioning pin 34 corresponds to the position of the positioning groove 36, the positioning pin 34 is inserted into the positioning groove 36 through the resetting effect of the first spring 35, so that the annular frame 32 is fixed.

When the joint of the sealing plate 11 and the shell 1 needs to be sealed, the sealing ring 16 and the outer plate 17 which are spliced in half are wrapped at the joint, the inserting rod 21 is inserted into the slot 2 at the moment, the position positioning of the sealing ring 16 is completed, the covering effect is ensured, meanwhile, the threaded rod 22 is inserted into the sleeve ring 23, the positioning is completed, and the locking and the fixing are completed by connecting the threaded sleeve 24 with the threaded rod 22.

Claims

1. The utility model provides a novel automobile-used bottle of LNG, includes casing (1), its characterized in that: the opening position of casing (1) is fixed with closing plate (11), be fixed with jar body (12) that run through closing plate (11) through the support in casing (1), be provided with vacuum chamber (13) between jar body (12) and casing (1), be fixed with embedding on casing (1) vacuum interface (14), it has valve (15) to be fixed with the embedding on vacuum interface (14), the seam crossing of casing (1) and closing plate (11) covers there is sealing washer (16), be fixed with planking (17) on sealing washer (16), the parcel has annular gasbag (18) on casing (1).

2. The novel LNG vehicle bottle of claim 1, wherein: an inserting rod (21) is fixed on the outer plate (17), and slots (2) which are inserted into the inserting rod (21) are formed in the sealing plate (11) and the shell (1).

3. The novel LNG vehicle bottle of claim 2, wherein: the sealing ring (16) and the outer plate (17) are of a half-and-half splicing structure, a threaded rod (22) and a lantern ring (23) are fixed on the two half-and-half outer plates (17) respectively, the threaded rod (22) and the lantern ring (23) are inserted into the outer plates, and a threaded sleeve (24) which is tightly contacted with the lantern ring (23) is arranged on the threaded rod (22) in a threaded mode.

4. The novel LNG vehicle bottle of claim 1, wherein: the annular air bag (18) is fixedly provided with a barrel (3), the shell (1) is fixedly provided with an annular limiting seat (31), and the barrel (3) is matched with the limiting seat (31).

5. The novel LNG vehicle bottle of claim 4, wherein: the barrel (3) is provided with an annular frame (32) in a sliding sleeve mode, a positioning ring (33) is fixed on the annular frame (32), a positioning pin (34) is arranged in the positioning ring (33) in a sliding mode, and the positioning pin (34) is connected with the annular frame (32) through a first spring (35).

6. The novel LNG vehicle bottle of claim 5, wherein: the shell (1) is provided with a positioning groove (36), and the positioning pin (34) is inserted into the positioning groove (36).

7. The novel LNG vehicle bottle of claim 4, wherein: a groove (4) is formed in the limiting seat (31), a clamping pin (41) is arranged in the groove (4) in a sliding mode, and the clamping pin (41) is connected with the groove (4) through a second spring (42).

8. The novel LNG vehicle bottle of claim 7, wherein: the barrel (3) is provided with a through hole (43), and the bayonet (41) is sleeved with the through hole (43) in a sliding manner.

9. The novel LNG vehicle bottle of claim 1, wherein: the sealing plate (11) is provided with a cover body (5) covering the end part of the tank body (12), and the cover body (5) and the sealing plate (11) are fixed through a threaded knob (51).

10. The novel LNG vehicle bottle of claim 1, wherein: a bottom foot (6) is fixed on the annular frame (32), and a mounting hole (61) is formed in the bottom foot (6).