CN221519299U - Vehicle-mounted middle-mounted hydrogen cylinder fixing device - Google Patents
Vehicle-mounted middle-mounted hydrogen cylinder fixing device Download PDFInfo
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- CN221519299U CN221519299U CN202420431683.5U CN202420431683U CN221519299U CN 221519299 U CN221519299 U CN 221519299U CN 202420431683 U CN202420431683 U CN 202420431683U CN 221519299 U CN221519299 U CN 221519299U
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- hydrogen cylinder
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- hydrogen
- cylinder
- cylinder fixing
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 116
- 239000001257 hydrogen Substances 0.000 title claims abstract description 116
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 116
- 239000007789 gas Substances 0.000 claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 claims description 24
- 239000010959 steel Substances 0.000 claims description 24
- 230000001681 protective effect Effects 0.000 claims description 14
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000000446 fuel Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a vehicle-mounted middle-mounted hydrogen cylinder fixing device, which relates to the technical field of vehicle-mounted hydrogen supply systems and comprises the following components: the device comprises an arched beam and annular gas cylinder fixing frames, wherein the inner diameter of each gas cylinder fixing frame is matched with the outer diameter of a hydrogen cylinder, a plurality of gas cylinder fixing frames are arranged at intervals along the axial direction of the hydrogen cylinder, the top of each gas cylinder fixing frame is fixedly connected with the arched beam, and two ends of each arched beam are respectively fixedly connected with two side frame longitudinal beams of an automobile; according to the utility model, the space utilization rate is improved by fully utilizing the space between the two longitudinal beams, the two sides of the arched cross beams are connected with the longitudinal beams of the frame, and the stress can be effectively dispersed by arranging the arched cross beams, so that the safety performance is improved; the center of mass of the hydrogen cylinder is attached to the center of mass of the whole vehicle, so that the center of mass of the whole vehicle is reduced, the overall performance and the anti-seismic performance of the vehicle can be improved, the distance between high-pressure pipelines can be effectively reduced, the risk of hydrogen leakage is avoided, and the safety performance is further improved; the weight of the system is effectively reduced, and the running economy of the vehicle is improved.
Description
Technical Field
The utility model relates to the technical field of vehicle-mounted hydrogen supply systems, in particular to a vehicle-mounted middle-mounted hydrogen cylinder fixing device.
Background
The hydrogen energy is used as a clean energy source, has the characteristics of high fuel calorific value and no pollutant emission, and the hydrogen fuel cell is used as a hydrogen energy utilization mode, has the advantage of high energy conversion efficiency, is convenient to obtain fuel in the operation process, has short supplementing time, only generates water in the reaction process, and is environment-friendly. The hydrogen fuel supply system is used as an important component system of the hydrogen fuel cell, and mainly provides high-pressure hydrogen for the electric pile, and mainly comprises a hydrogen storage device, a bottleneck valve, a pressure reducing valve, a hydrogen filtering device, a safety valve and the like, and the hydrogen fuel supply system is required to provide stable power output for the whole car, so that a hydrogen cylinder is required to be fixed on a cylinder frame with reliable structure.
The hydrogen cylinder is mainly fixed in the frame side at present, be fixed in frame longeron both sides through structures such as support and bandage, this scheme is compact owing to the light truck type is arranged, simultaneously because space restriction, make its fixed point mainly distribute around the side gas cylinder device, the bearing concentrates in two front and back supports simultaneously, make the vehicle cause stress concentration easily in advancing the in-process, when the requirement is higher to the support, and the vehicle causes support stress concentration easily in the operation process, there is the potential safety hazard, in addition, because the frame width restriction, and fix the gas cylinder respectively in the frame both sides, the space occupies greatly, the wholeness performance is relatively poor, this makes the vehicle be poor at the anti-vibration effect of in-process left and right sides gas cylinder, easily produce certain damage to the gas cylinder, and the gas cylinder is fixed to pipeline shock resistance requirement is high, connect both sides gas cylinder structure high-pressure pipeline distance overlength in addition, there is the hydrogen to leak the risk when the more severe road conditions operation, cause great potential safety hazard.
Therefore, a vehicle-mounted middle-mounted hydrogen cylinder fixing device with high installation stability, high space utilization rate and high safety is needed.
Disclosure of Invention
The utility model aims to provide a vehicle-mounted middle-mounted hydrogen cylinder fixing device, which solves the problems in the prior art, and the hydrogen cylinder is fixed between two longitudinal beams in the middle of a vehicle frame through an arched cross beam and a cylinder fixing frame, so that the installation stability, the space utilization rate and the safety are improved.
In order to achieve the above object, the present utility model provides the following solutions: the utility model provides a vehicle-mounted middle-mounted hydrogen cylinder fixing device which comprises an arched beam and annular gas cylinder fixing frames, wherein the inner diameter of each gas cylinder fixing frame is matched with the outer diameter of a hydrogen cylinder, a plurality of gas cylinder fixing frames are arranged at intervals along the axial direction of the hydrogen cylinder, the top of each gas cylinder fixing frame is fixedly connected with the arched beam, and two ends of each arched beam are respectively fixedly connected with longitudinal beams of two side frames of an automobile.
Preferably, the vehicle-mounted middle-mounted hydrogen cylinder fixing device further comprises a connecting fixing frame, wherein the connecting fixing frame is arranged along the axial direction of the hydrogen cylinder, and a plurality of arched cross beams are connected with the connecting fixing frame.
Preferably, a connecting piece is arranged at the top of the gas cylinder fixing frame, a connecting hole is formed in the connecting piece along the axial direction of the hydrogen cylinder, the connecting fixing frame is arranged in the connecting hole in a penetrating mode, and the connecting fixing frame, the connecting piece and the arched beam are connected through bolts.
Preferably, the gas cylinder fixing frame comprises a first fixing support and a second fixing support which are semi-circular, wherein the first fixing support is buckled with the second fixing support to form a through hole matched with the hydrogen cylinder, and the first fixing support is connected with a buckling end of the second fixing support through bolts.
Preferably, the vehicle-mounted middle-mounted hydrogen cylinder fixing device further comprises limiting steel rings arranged on two sides of the axial direction of the hydrogen cylinder, and the inner diameter of each limiting steel ring is smaller than the outer diameter of the hydrogen cylinder.
Preferably, the position of the connection fixing frame corresponding to the limiting steel ring is provided with a first bar-shaped hole, the first bar-shaped hole is axially arranged along the hydrogen cylinder, the top of the limiting steel ring is provided with a connecting block, and the connecting block is in bolt connection with the first bar-shaped hole.
Preferably, the end face of the limiting steel ring, which is close to the hydrogen cylinder, is provided with a flexible rubber ring.
Preferably, the vehicle-mounted middle-mounted hydrogen cylinder fixing device further comprises a connecting beam, wherein the connecting beam is axially arranged along the hydrogen cylinder, and a plurality of gas cylinder fixing frames are connected with the connecting beam.
Preferably, the extension portion is formed by extending the two ends of the connecting beam, a second strip-shaped hole which is axially arranged along the hydrogen cylinder is formed in the portion, which does not correspond to the hydrogen cylinder, of the extension portion, a connecting plate is arranged on the end face, far away from the hydrogen cylinder, of the limiting steel ring, a screw is connected onto the connecting plate in a threaded mode, and the bottom of the screw penetrates through the second strip-shaped hole to be connected with a nut.
Preferably, the vehicle-mounted middle-mounted hydrogen cylinder fixing device further comprises a protective cover for protecting the hydrogen cylinder, the protective cover is arranged at the bottom of the hydrogen cylinder, two connecting beams are symmetrically arranged on two sides of the cylinder fixing frame, two ends of the protective cover are fixedly connected with the connecting beams respectively, and drain holes are formed in the bottom of the protective cover.
Compared with the prior art, the utility model mainly achieves the following technical effects:
The positioning piece composed of the plurality of arched beams and the gas cylinder fixing frame is used for fixing the hydrogen cylinder between the two longitudinal beams on the inner side of the frame, the space utilization rate is improved by fully utilizing the space between the two longitudinal beams, the two sides of the arched beams are connected with the frame longitudinal beams, the connection parts of the arched beams and the frame longitudinal beams are stress points, and the stress generated after the hydrogen cylinder is installed can be effectively dispersed by the arrangement of the plurality of arched beams, so that the stress concentration is avoided, and the safety performance is improved; moreover, the arched arrangement of the arched beam can improve the fixed horizontal height of the hydrogen cylinder, the center of mass of the hydrogen cylinder is matched with the middle arrangement, so that the center of mass of the whole vehicle is reduced, the stable running of the whole vehicle is facilitated, the vibration is reduced, the overall performance and the anti-vibration performance of the vehicle can be improved, the distance of a high-pressure pipeline can be effectively reduced, the risk of hydrogen leakage is avoided, and the safety performance is further improved; in addition, compared with a side hydrogen supply system frame, the system weight is effectively reduced, and the running economy of the vehicle is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a vehicle-mounted centrally-mounted hydrogen cylinder fixing device;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is a schematic view showing a specific structure of a connecting beam according to the present utility model;
FIG. 4 is a schematic view of the structure of the connection beam of the present utility model when the protection cover is installed;
FIG. 5 is a schematic view of the structure of the cylinder holder of the present utility model;
FIG. 6 is a schematic view of the structure of the spacing steel ring of the present utility model;
Wherein, 1, an arched beam; 2. a gas cylinder fixing frame; 3. a frame rail; 4. connecting a fixing frame; 5. a connecting piece; 6. a first fixing bracket; 7. a second fixing bracket; 8. a limiting steel ring; 9. a first bar-shaped hole; 10. a connecting block; 11. a connecting beam; 12. a second bar-shaped hole; 13. a connecting plate; 14. a protective cover; 15. a flexible rubber ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model aims to provide a vehicle-mounted middle-mounted hydrogen cylinder fixing device, which solves the problems in the prior art, and the hydrogen cylinder is fixed between two longitudinal beams in the middle of a vehicle frame through an arched cross beam and a cylinder fixing frame, so that the installation stability, the space utilization rate and the safety are improved.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-6, a vehicle-mounted middle-mounted hydrogen cylinder fixing device is provided, which comprises an arched beam 1 and an annular gas cylinder fixing frame 2, wherein the inner diameter of the gas cylinder fixing frame 2 is matched with the outer diameter of the hydrogen cylinder, the gas cylinder fixing frame 2 is used for limiting the hydrogen cylinder from the periphery, the three gas cylinder fixing frames 2 are uniformly arranged at intervals along the axial direction of the hydrogen cylinder, the tops of the three gas cylinder fixing frames 2 are respectively and fixedly connected with the three arched beam 1 through bolts, the arched beam 1 is in an arched structure, the two ends of the arched beam 1 are respectively and fixedly connected with two side frame beams 3 of an automobile through bolts or welding, preferably, the connecting point is positioned at the top of the frame beam 3, the hydrogen cylinder is fixed between the two side beams on the inner side of the frame by utilizing a positioning piece formed by a plurality of arched beams 1 and the gas cylinder fixing frames 2, the space utilization rate is fully utilized, the two sides of the arched beam 1 are connected with the frame beam 3, the connection position of the arched beam 1 and the frame beam 3 is a stress point, the arrangement of the three arched beam 1 is provided with six stress dispersing points, stress generated after the gas cylinder is effectively dispersed and installed, the stress is concentrated, the connection part is prevented from being damaged, the hydrogen cylinder is prevented from dropping, and the safety problem is solved; moreover, the arched arrangement of the arched beam 1 can improve the fixed horizontal height of the hydrogen cylinder, and is matched with a plurality of positioning pieces to fix the hydrogen cylinder at the middle part of the frame, so that the center of mass of the hydrogen cylinder is attached to the center of mass of the whole vehicle, the center of mass of the whole vehicle is reduced, the stable running of the whole vehicle is facilitated, the vibration is reduced, the overall performance and the vibration resistance of the vehicle are improved, the damage of the vibration to the hydrogen cylinder is reduced, the distance between high-pressure pipelines is effectively reduced compared with the arrangement of the hydrogen cylinders at two sides, the risk of hydrogen leakage is avoided, and the safety performance is further improved; in addition, compared with the side hydrogen supply system frame, two sets of bracket systems are required to be arranged, only one set of bracket system is required to be arranged in the middle, the weight of the system is effectively reduced, and the running economy of the vehicle is improved.
Because the arched beam 1 is a main connecting component, the upper surface of the arched beam 1 is provided with reinforcing ribs to improve the structural strength of the arched beam.
The vehicle-mounted middle-mounted hydrogen cylinder fixing device further comprises a connecting fixing frame 4, the connecting fixing frame 4 is arranged along the axial direction of the hydrogen cylinder, the plurality of arched beams 1 are connected with the connecting fixing frame 4, and the plurality of arched beams 1 are connected together by the fixing frame, so that the structural strength can be effectively improved.
The specific setting mode of the connection fixing frame 4 in this embodiment is as follows: the top of gas cylinder mount 2 is provided with connecting piece 5, has seted up the connecting hole along the axial of hydrogen cylinder on the connecting piece 5, and connecting piece 5 can directly select for use and be the work piece of falling U type, and connecting mount 4 wears to locate in the connecting hole, and connecting mount 4, connecting piece 5 and arch crossbeam 1 bolted connection utilize a vertical bolt to accomplish promptly and connect the three, and wherein the screw rod of vertical bolt upwards wears out from the inside of gas cylinder mount 2, passes in proper order and connects mount 4, connecting piece 5 and arch crossbeam 1 and is connected with the nut.
The connecting piece 5 and the gas cylinder fixing frame 2 can be integrally arranged, so that the structural strength is improved.
The connecting fixing frame 4 in this embodiment comprises two connecting rods axially arranged along the hydrogen cylinder and a cross rod between the two connecting rods, the two connecting rods and a plurality of cross rods form a continuous H-shaped structure, the cross rods correspond to the arched cross beam 1, and the structure belongs to a hollow structure and can effectively reduce weight.
The gas cylinder mount 2 is including all being semicircle annular first fixed bolster 6 and second fixed bolster 7, and first fixed bolster 6 distributes from top to bottom with second fixed bolster 7, and first fixed bolster 6 and the 7 lock of second fixed bolster form with hydrogen cylinder assorted through-hole, and the lock end bolted connection of first fixed bolster 6 and second fixed bolster 7, connecting piece 5 set up at the top of first fixed bolster 6, can conveniently realize taking out of hydrogen cylinder through dismantling the bolt.
Because the vehicle can produce axial motion because of factors such as inertia or vibration when driving, for this reason set up spacing steel loop 8 in hydrogen cylinder axial both sides, spacing steel loop 8's internal diameter is less than the external diameter of hydrogen cylinder, realizes the axial spacing to the hydrogen cylinder, in order to protect the hydrogen cylinder not receive the damage of rigid contact, spacing steel loop 8 is provided with flexible rubber ring 15 near the terminal surface of hydrogen cylinder, can also set up flexible rubber pad at the internal face of first fixed bolster 6 and second fixed bolster 7 in the same way, protects the hydrogen cylinder.
Because there is certain difference in the length of different hydrogen cylinders when actually installing, for this reason need the position of regulation and control spacing steel ring 8 to match different hydrogen cylinders, specific regulation and control structure does: the position of connecting mount 4 corresponding spacing steel ring 8 is provided with first bar hole 9, and first bar hole 9 sets up along the hydrogen cylinder axial, and the top of spacing steel ring 8 is provided with connecting block 10, connecting block 10 and first bar hole 9 bolted connection, the screw rod diameter of bolt and the wide phase-match of first bar hole 9, and the length of first bar hole 9 is greater than the screw rod diameter of bolt, and the accessible is unscrewed the bolt like this, and adjusting bolt and the relative position of first bar hole 9, and then adjusts the position of spacing steel ring 8.
The vehicle-mounted middle-mounted hydrogen cylinder fixing device further comprises a connecting beam 11, the connecting beam 11 is axially arranged along the hydrogen cylinder, a plurality of gas cylinder fixing frames 2 are connected with the connecting beam 11, the connecting beam 11 is used for connecting the plurality of gas cylinder fixing frames 2 into a whole to improve structural strength, the connecting beam 11 is located between buckling ends of the first fixing support 6 and the second fixing support 7, and buckling ends of the two supports and the connecting beam 11 are connected through bolts.
The extension portion is formed by extending the two ends of the connecting beam 11, the second strip-shaped hole 12 which is arranged along the axial direction of the hydrogen cylinder is arranged at the part of the extension portion which does not correspond to the hydrogen cylinder, the connecting plate 13 is arranged on the end face of the limiting steel ring 8 which is far away from the hydrogen cylinder, a screw rod is connected to the connecting plate 13 in a threaded manner, the bottom of the screw rod penetrates through the second strip-shaped hole 12 to be connected with a nut, the width of the second strip-shaped hole 12 is identical to the diameter of the screw rod, the length of the second strip-shaped hole is greater than the diameter of the screw rod, the structure can be used for adjusting the position of the limiting steel ring 8, the adjusting principle is identical to that of the adjusting structure at the first strip-shaped hole 9, and the connection firmness of the limiting steel ring 8 and the whole frame body is enhanced by increasing the adjusting point position.
The vehicle-mounted middle-mounted hydrogen cylinder fixing device further comprises a protective cover 14 for protecting the hydrogen cylinder, the protective cover 14 is covered at the bottom of the hydrogen cylinder, two connecting beams 11 are symmetrically arranged on two sides of the cylinder fixing frame 2, two ends of the protective cover 14 are fixedly connected with the connecting beams 11 respectively, drain holes are formed in the bottom of the protective cover 14, the protective cover 14 can be used for effectively protecting the hydrogen cylinder, and the drain holes are used for preventing internal ponding.
The bottom end of the connecting beam 11 is not lower in level than the bottom end of the frame rail 3 to improve the protection effect.
The protection casing 14 can be V template, semi-circular board or two straight boards, when protection casing 14 is V template or semi-circular board, can directly connect the plate body both ends on both sides tie-beam 11, set up corresponding wash port again can, when protection casing 14 is two straight boards, the tie-beam 11 of both sides is connected a straight board respectively, and two straight boards all are the inwards slope setting of bottom, form class V type structure promptly, and the bottom interval setting of two straight boards is as the wash port.
The adaptation to the actual need is within the scope of the utility model.
It should be noted that it will be apparent to those skilled in the art that the present utility model is not limited to the details of the above-described exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.
The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (10)
1. The utility model provides a put formula hydrogen cylinder fixing device in on-vehicle, its characterized in that includes arch crossbeam and is annular gas cylinder mount, the internal diameter of gas cylinder mount and the external diameter phase-match of hydrogen cylinder, a plurality of the gas cylinder mount sets up along the axial interval of hydrogen cylinder, the top of gas cylinder mount with arch crossbeam fixed connection, the both ends of arch crossbeam respectively with the both sides frame longeron fixed connection of car.
2. The vehicle-mounted middle-mounted hydrogen cylinder fixing device according to claim 1, further comprising a connecting fixing frame, wherein the connecting fixing frame is arranged along the axial direction of the hydrogen cylinder, and a plurality of arched beams are connected with the connecting fixing frame.
3. The vehicle-mounted centrally-mounted hydrogen cylinder fixing device according to claim 2, wherein a connecting piece is arranged at the top of the cylinder fixing frame, a connecting hole is formed in the connecting piece along the axial direction of the hydrogen cylinder, the connecting fixing frame is arranged in the connecting hole in a penetrating mode, and the connecting fixing frame, the connecting piece and the arched beam are connected through bolts.
4. The vehicle-mounted centrally-mounted hydrogen cylinder fixing device according to claim 1, wherein the cylinder fixing frame comprises a first fixing support and a second fixing support which are semi-circular, the first fixing support and the second fixing support are buckled to form a through hole matched with a hydrogen cylinder, and the first fixing support is connected with a buckling end of the second fixing support through bolts.
5. The vehicle-mounted middle-mounted hydrogen cylinder fixing device according to claim 2, further comprising limiting steel rings arranged on two sides of the hydrogen cylinder in the axial direction, wherein the inner diameter of the limiting steel rings is smaller than the outer diameter of the hydrogen cylinder.
6. The vehicle-mounted middle-mounted hydrogen cylinder fixing device according to claim 5, wherein a first strip-shaped hole is formed in the position, corresponding to the limiting steel ring, of the connecting fixing frame, the first strip-shaped hole is formed in the axial direction of the hydrogen cylinder, a connecting block is arranged at the top of the limiting steel ring, and the connecting block is connected with the first strip-shaped hole through bolts.
7. The vehicle-mounted centrally-mounted hydrogen cylinder fixing device according to claim 5, wherein the limiting steel ring is provided with a flexible rubber ring near the end face of the hydrogen cylinder.
8. The vehicle-mounted middle-mounted hydrogen cylinder fixing device according to claim 5, further comprising a connecting beam, wherein the connecting beam is arranged along the axial direction of the hydrogen cylinder, and a plurality of the cylinder fixing frames are connected with the connecting beam.
9. The vehicle-mounted middle-mounted hydrogen cylinder fixing device according to claim 8, wherein two ends of the connecting beam extend to form an extension part, a second strip-shaped hole which is arranged along the axial direction of the hydrogen cylinder is formed in a part of the extension part, which does not correspond to the hydrogen cylinder, a connecting plate is arranged on the end face, far away from the hydrogen cylinder, of the limiting steel ring, a screw is connected onto the connecting plate in a threaded mode, and the bottom of the screw penetrates through the second strip-shaped hole to be connected with a nut.
10. The vehicle-mounted middle-mounted hydrogen cylinder fixing device according to claim 9, further comprising a protective cover for protecting the hydrogen cylinder, wherein the protective cover is arranged at the bottom of the hydrogen cylinder, two connecting beams are symmetrically arranged on two sides of the cylinder fixing frame, two ends of the protective cover are fixedly connected with the connecting beams respectively, and drain holes are formed in the bottom of the protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420431683.5U CN221519299U (en) | 2024-03-06 | 2024-03-06 | Vehicle-mounted middle-mounted hydrogen cylinder fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420431683.5U CN221519299U (en) | 2024-03-06 | 2024-03-06 | Vehicle-mounted middle-mounted hydrogen cylinder fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221519299U true CN221519299U (en) | 2024-08-13 |
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ID=92186263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420431683.5U Active CN221519299U (en) | 2024-03-06 | 2024-03-06 | Vehicle-mounted middle-mounted hydrogen cylinder fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221519299U (en) |
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- 2024-03-06 CN CN202420431683.5U patent/CN221519299U/en active Active
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