CN204042428U - Vehicular liquefied natural gas cylinder and front end support device thereof - Google Patents
Vehicular liquefied natural gas cylinder and front end support device thereof Download PDFInfo
- Publication number
- CN204042428U CN204042428U CN201420475448.4U CN201420475448U CN204042428U CN 204042428 U CN204042428 U CN 204042428U CN 201420475448 U CN201420475448 U CN 201420475448U CN 204042428 U CN204042428 U CN 204042428U
- Authority
- CN
- China
- Prior art keywords
- valve seat
- supporting sleeve
- pipe
- natural gas
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000003949 liquefied natural gas Substances 0.000 title claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 6
- 239000004593 Epoxy Substances 0.000 claims abstract description 5
- 239000011152 fibreglass Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 5
- 239000010935 stainless steel Substances 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims description 9
- 229920002430 Fibre-reinforced plastic Polymers 0.000 abstract description 2
- 239000003365 glass fiber Substances 0.000 abstract description 2
- 210000005239 tubule Anatomy 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model provides a kind of Vehicular liquefied natural gas cylinder and front end support device thereof, and it effectively can reduce leakage heat.Front end support device supports neck tube connecting cover owing to eliminating, the supporting sleeve that two stainless steels are made directly does not contact, and centre is provided with intermediate support pipe, and this intermediate support tube material is fiber glass epoxy, its characteristic is that thermal resistance is large, heat conductivity is low, and is connected with two thread of supporting sleeves with 2 screws, 2 nuts respectively, prevents its axial float and circumference from rotating, be welded to connect, prevent bolts and nuts from loosening, stainless steel connection glass fibre reinforced plastics is intercepted and opens, effectively can reduce the heat trnasfer of front support; The outer wall of intermediate support pipe also can offer and vacuumize through hole; Valve seat offers inlet opening, liquid outlet opening, relieving device, main safety valve hole, pressure gauge hole and the safe valve opening of pair, solve the problem of installing inconvenience and valve invalidation.
Description
Technical field
The utility model relates to a kind of gas cylinder front end support device, particularly the Vehicular liquefied natural gas cylinder front end support device of one.
Background technique
Existing Vehicular liquefied natural gas cylinder comprises inner bag and outer courage, and front end support device between inner-outer tube two ends and rear end support device, plays the effect of connection and heat conduction.As shown in Figure 1, liquefied natural gas bottle front end support device of the prior art is made up of pipe 13 in valve seat 11, support tubule 12, support and support neck tube connecting cover 14, in support, the pipe thickness of pipe and support tubule is even, support tubule 12 one end to be connected with valve seat 11, supporting tubule 12 is set in support in pipe 13, and in support, one end of pipe 13 is connected with support neck tube connecting cover 14 by welding manner with the one end supporting tubule 12.Because in support, the inwall of pipe directly contacts with the outer wall supporting tubule, the wall cross-section of this structure is long-pending large, hot air flow is delivered to support device inside after directly flowing through the little tube wall of support via tube wall in support, the thermal resistance of this kind of structure is less, thus make the leakage heat of Vehicular liquefied natural gas cylinder larger, cause static evaporation rate large, and the static evaporation rate operation parameter that to be of Vehicular liquefied natural gas cylinder important, the technology content of cryogenic insulated cylinder is often embodied in this index, is the concentrated expression of project organization, vaccum thermal insulation technique.
In addition, as shown in Figure 2, valve seat 11 of the prior art offers many through holes, specifically there are inlet opening 11a, liquid outlet opening 11b, relieving device 11c and comprehensive hole 11d, inlet opening, liquid outlet opening and relieving device respectively with valve seat axis being parallel and with support tube inner space, and this comprehensive hole 11d integrated main safety valve hole, secondary safe valve opening and pressure gauge hole function simultaneously, this comprehensive hole 11d is communicated with relieving device and is integrated by major and minor safe valve opening, during use, all kinds of body is concentrated and is passed through from this hole, not only installs inconvenience but also easily causes valve invalidation.
The present invention is the Chinese Patent Application No. of same claimant: the subsequent application of ZL201320875563.6, ZL201220306448.2, ZL201320870022.4, ZL201320870025.8.
Model utility content
For one or more deficiency of the prior art, the utility model provides a kind of effectively can reduce the Vehicular liquefied natural gas cylinder and front end support device thereof that leak heat.
In order to solve the problem, by the following technical solutions:
A kind of Vehicular liquefied natural gas cylinder front end support device, comprise: valve seat, the first supporting sleeve and the second supporting sleeve, one welding edges of valve seat and the first supporting sleeve, also comprise intermediate support pipe, this intermediate support pipe is arranged between the first supporting sleeve and the second supporting sleeve, make the first supporting sleeve and the second supporting sleeve tool at regular intervals.
Further, described intermediate support pipe is made up of fiber glass epoxy, and the wall thickness of this intermediate support pipe is greater than the wall thickness of the first supporting sleeve and the second supporting sleeve respectively.
Further, described intermediate support pipe is connected with bolt with the end of the first supporting sleeve and the second supporting sleeve respectively, and uses fastening nuts.
Further, the material of described screw bolt and nut is stainless steel, and with connect with the end points of the first supporting sleeve and the second supporting sleeve is soldered respectively.
Further, the outer wall of described intermediate support pipe offers and vacuumizes through hole.
Further, the valve seat in front end support device comprises multiple Multifunctional perforated, in hole, liquid inlet pipe, drain pipe, blow-down pipe, level meter pipe or safety valve pipe are installed.
Further, described valve seat offers inlet opening, liquid outlet opening, relieving device, main safety valve hole, pressure gauge hole and the safe valve opening of pair, inlet opening, liquid outlet opening, relieving device respectively with the axis being parallel of valve seat, this main safety valve hole is communicated with inlet opening, secondary safe valve opening, pressure gauge hole are communicated with relieving device, safe valve opening, pressure gauge hole and the safe valve opening of pair respectively with the axes normal of valve seat.
Further, one end of described liquid inlet pipe is connected with the inlet opening on valve seat, and the other end is connected with joint, one end of blow-down pipe is connected with the relieving device on valve seat, and the other end is connected with joint, the liquid outlet opening on one end of drain pipe and valve seat, the other end is connected with joint, and Placement is welding.
Further, described second supporting sleeve is provided with positioning block, is convenient to assembling and positioning.
Further, the outer wall of intermediate support pipe offers and vacuumizes through hole, valve seat offers inlet opening, liquid outlet opening, relieving device, main safety valve hole, pressure gauge hole and the safe valve opening of pair, inlet opening, liquid outlet opening, relieving device respectively with the axis being parallel of valve seat, this main safety valve hole is communicated with inlet opening, secondary safe valve opening, pressure gauge hole are communicated with relieving device, safe valve opening, pressure gauge hole and the safe valve opening of pair respectively with the axes normal of valve seat; One end of liquid inlet pipe is connected with the inlet opening on valve seat, and the other end is connected with joint, and one end of blow-down pipe is connected with the relieving device on valve seat, the other end is connected with joint, liquid outlet opening on one end of drain pipe and valve seat, the other end is connected with joint, and Placement is welding.
A kind of Vehicular liquefied natural gas cylinder, adopts above-mentioned Vehicular liquefied natural gas cylinder front end support device.
The beneficial effects of the utility model are: support neck tube connecting cover owing to eliminating, the supporting sleeve that two stainless steels are made directly does not contact, centre is provided with intermediate support pipe, this intermediate support tube material is fiber glass epoxy, its characteristic is that thermal resistance is large, heat conductivity is low, and be connected with two thread of supporting sleeves with 2 screws, 2 nuts respectively, prevent its axial float and circumference from rotating, be welded to connect, prevent bolts and nuts from loosening, stainless steel connection glass fibre reinforced plastics is intercepted and opens, effectively can reduce the heat trnasfer of front support.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of Vehicular liquefied natural gas cylinder front end support device of the prior art;
Fig. 2 is the sectional structure schematic diagram along AA line in Fig. 1;
Fig. 3 is the sectional structure schematic diagram of Vehicular liquefied natural gas cylinder front end support device of the present utility model;
Fig. 4 is the sectional structure schematic diagram along BB line in Fig. 3;
Fig. 5 is the left TV structure schematic diagram of Vehicular liquefied natural gas cylinder front end support device of the present utility model;
Fig. 6 is the perspective view of the valve seat in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
As shown in Figure 3, this kind of Vehicular liquefied natural gas cylinder front end support device, comprising: valve seat 1, first supporting sleeve 2, intermediate support pipe 3 and the second supporting sleeve 5, and eliminates support neck tube connecting cover 8.One welding edges of valve seat 1 and the first supporting sleeve 2, the other end of first supporting sleeve 2 is connected with one end of this intermediate support pipe 3, the other end of intermediate support pipe 3 is connected with one end of the second supporting sleeve 5, and the other end of the second supporting sleeve 5 is provided with positioning block 5a, welds with cylinder liner front head.Intermediate support pipe is arranged between the first supporting sleeve 2 and the second supporting sleeve 5, and the first supporting sleeve 2 is not directly contacted with the second supporting sleeve 5, namely the first supporting sleeve 2 and the second supporting sleeve 5 tool at regular intervals.This intermediate support pipe 3 is connected with bolt 4 and nut 6 with the end of the first supporting sleeve 2 and the second supporting sleeve 4 respectively, and bolt quantity is 2.In addition the fiber glass epoxy that intermediate support pipe 3 is D3848 by model is made, the low and material that rigidity is strong for heat conductivity.In order to reduce heat trnasfer further, the wall thickness of this intermediate support pipe 3 is all greater than the wall thickness of the first supporting sleeve 2 and the second supporting sleeve 5.And offer on the outer wall of intermediate support pipe 3 and vacuumize through hole 3a.
Shown in composition graphs 4 to Fig. 6, valve seat 1 offers inlet opening 1f, liquid outlet opening 1d, relieving device 1b, main safety valve hole 1e, pressure gauge hole 1c and the safe valve opening 1a of pair, inlet opening 1f, liquid outlet opening 1d, relieving device 1b respectively with the axis being parallel of valve seat 1, this main safety valve hole 1e is communicated with inlet opening 1f, secondary safe valve opening 1a, pressure gauge hole 1c are communicated with relieving device 1b, the safe valve opening 1a of safe valve opening 1e, pressure gauge hole 1c and pair respectively with the axes normal of valve seat 1.One end of liquid inlet pipe 10 is connected with the inlet opening 1f on valve seat 1, the other end is connected with joint 7, one end of blow-down pipe 8 is connected with the relieving device 1b on valve seat 1, the other end is connected with joint 7, liquid outlet opening 1d on one end of drain pipe 9 and valve seat 1, the other end is connected with joint 7, and Placement is welding.
It should be noted that; embodiment is only explanation to technical solutions of the utility model and explanation; should not be understood as the restriction to technical solutions of the utility model; any employing the technical solution of the utility model and only do local change, must fall in protection domain of the present utility model.
Claims (12)
1. a Vehicular liquefied natural gas cylinder front end support device, comprise: valve seat (1), the first supporting sleeve (2) and the second supporting sleeve (5), one welding edges of valve seat (1) and the first supporting sleeve (2), it is characterized in that, also comprise intermediate support pipe (3), this intermediate support pipe is arranged between the first supporting sleeve (2) and the second supporting sleeve (5), makes the first supporting sleeve (2) and the second supporting sleeve (5) tool at regular intervals.
2. Vehicular liquefied natural gas cylinder front end support device according to claim 1, it is characterized in that, described intermediate support pipe (3) is made up of fiber glass epoxy, and the wall thickness of this intermediate support pipe (3) is greater than the wall thickness of the first supporting sleeve (2) and the second supporting sleeve (5) respectively.
3. Vehicular liquefied natural gas cylinder front end support device according to claim 2, it is characterized in that, described intermediate support pipe (3) is connected with bolt (4) with the end of the first supporting sleeve (2) and the second supporting sleeve (5) respectively, and fastening with nut (6).
4. Vehicular liquefied natural gas cylinder front end support device according to claim 3, is characterized in that, the material of described screw bolt and nut is stainless steel, and with connect with the end points of the first supporting sleeve and the second supporting sleeve is soldered respectively.
5. any one the Vehicular liquefied natural gas cylinder front end support device according to Claims 1-4, is characterized in that, the outer wall of described intermediate support pipe (3) offers and vacuumizes through hole (3a).
6. any one the Vehicular liquefied natural gas cylinder front end support device according to Claims 1-4, it is characterized in that, valve seat in front end support device comprises multiple Multifunctional perforated, in hole, liquid inlet pipe, drain pipe, blow-down pipe, level meter pipe or safety valve pipe is installed.
7. Vehicular liquefied natural gas cylinder front end support device according to claim 6, it is characterized in that, described valve seat (1) offers inlet opening (1f), liquid outlet opening (1d), relieving device (1b), main safety valve hole (1e), pressure gauge hole (1c) and the safe valve opening of pair (1a), inlet opening (1f), liquid outlet opening (1d), relieving device (1b) respectively with the axis being parallel of valve seat (1), this main safety valve hole (1e) is communicated with inlet opening (1f), secondary safe valve opening (1a), pressure gauge hole (1c) is communicated with relieving device (1b), safe valve opening (1e), pressure gauge hole (1c) and the safe valve opening of pair (1a) respectively with the axes normal of valve seat (1).
8. Vehicular liquefied natural gas cylinder front end support device according to claim 7, it is characterized in that, one end of described liquid inlet pipe (10) is connected with the inlet opening (1f) on valve seat (1), the other end is connected with joint (7), one end of blow-down pipe (8) is connected with the relieving device (1b) on valve seat (1), the other end is connected with joint (7), liquid outlet opening (1d) on one end of drain pipe (9) and valve seat (1), the other end is connected with joint (7), and Placement is welding.
9. any one the Vehicular liquefied natural gas cylinder front end support device according to Claims 1-4, is characterized in that: described second supporting sleeve (5) is provided with positioning block (5a), is convenient to assembling and positioning.
10. any one Vehicular liquefied natural gas cylinder front end support device according to claim 9, it is characterized in that, the outer wall of intermediate support pipe offers and vacuumizes through hole, valve seat offers inlet opening, liquid outlet opening, relieving device, main safety valve hole, pressure gauge hole and the safe valve opening of pair, inlet opening, liquid outlet opening, relieving device respectively with the axis being parallel of valve seat, this main safety valve hole is communicated with inlet opening, secondary safe valve opening, pressure gauge hole are communicated with relieving device, safe valve opening, pressure gauge hole and the safe valve opening of pair respectively with the axes normal of valve seat; One end of liquid inlet pipe is connected with the inlet opening on valve seat, and the other end is connected with joint, and one end of blow-down pipe is connected with the relieving device on valve seat, the other end is connected with joint, liquid outlet opening on one end of drain pipe and valve seat, the other end is connected with joint, and Placement is welding.
11. 1 kinds of Vehicular liquefied natural gas cylinders, is characterized in that, adopt any one the Vehicular liquefied natural gas cylinder front end support device described in above-mentioned 1 to 4.
12. Vehicular liquefied natural gas cylinders according to claim 11, is characterized in that, the outer wall of intermediate support pipe offers and vacuumizes through hole; Valve seat offers inlet opening, liquid outlet opening, relieving device, main safety valve hole, pressure gauge hole and the safe valve opening of pair; Second supporting sleeve is provided with positioning block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420475448.4U CN204042428U (en) | 2014-08-21 | 2014-08-21 | Vehicular liquefied natural gas cylinder and front end support device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420475448.4U CN204042428U (en) | 2014-08-21 | 2014-08-21 | Vehicular liquefied natural gas cylinder and front end support device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204042428U true CN204042428U (en) | 2014-12-24 |
Family
ID=52243091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420475448.4U Expired - Lifetime CN204042428U (en) | 2014-08-21 | 2014-08-21 | Vehicular liquefied natural gas cylinder and front end support device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204042428U (en) |
-
2014
- 2014-08-21 CN CN201420475448.4U patent/CN204042428U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.39 Xingfu North Road, Xi'an, Shaanxi 710201 Patentee after: Shaanxi Automobile Group Co.,Ltd. Patentee after: XI'AN DESEN NEW ENERGY EQUIPMENT Co.,Ltd. Address before: No.39 Xingfu North Road, Xi'an, Shaanxi 710201 Patentee before: SHAANXI AUTOMOBILE GROUP Co.,Ltd. Patentee before: XI'AN DESEN NEW ENERGY EQUIPMENT Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141224 |
|
| CX01 | Expiry of patent term |