CN220731569U - Fuel cell pile limit rod - Google Patents
Fuel cell pile limit rod Download PDFInfo
- Publication number
- CN220731569U CN220731569U CN202322357313.XU CN202322357313U CN220731569U CN 220731569 U CN220731569 U CN 220731569U CN 202322357313 U CN202322357313 U CN 202322357313U CN 220731569 U CN220731569 U CN 220731569U
- Authority
- CN
- China
- Prior art keywords
- stop lever
- fuel cell
- cell stack
- limiting rod
- insulating plate
- 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.)
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Links
- 239000000446 fuel Substances 0.000 title claims abstract description 38
- 238000009434 installation Methods 0.000 abstract description 14
- 230000005484 gravity Effects 0.000 abstract description 7
- 230000003139 buffering effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to the technical field of fuel cells, and particularly discloses a fuel cell stack limiting rod which comprises a limiting rod body, an insulating plate and a buffer pad; the utility model provides a fuel cell stack limiting rod, which is used for being installed on a fuel cell stack in a surrounding manner, the limiting rod body can be installed on the outer side of the fuel cell stack in a self-adaptive manner according to the inclination angle of the periphery of the fuel cell stack, the limiting rod body is contacted with the surface of the fuel cell stack through the insulating plate after the installation is completed, the installation stability is improved, and the insulating plate can be conveniently detached and replaced because the insulating plate can be detached; therefore, the phenomenon that the cell is bent in space due to the influence of gravity and shaking can be avoided, and the overall structural strength of the fuel cell stack can be improved.
Description
Technical Field
The utility model relates to the technical field of fuel cell production, in particular to a fuel cell stack limiting rod.
Background
The fuel cell is a device for converting chemical energy in hydrogen fuel into electric energy, and has become a hot spot for research in the energy field by virtue of the advantages of low working temperature, no pollution, no corrosion, high energy conversion rate, high specific power, quick start and the like. The fuel cell is formed by stacking a plurality of unit single cells, and in order to meet the high-power use requirement of the electric pile, the number of stacked sections is often more than 200. In the actual operation process of the electric pile, because the electric pile is too long and too heavy, a limiting structure is required to be arranged in the fuel cell electric pile to play a role in supporting the electric pile, so that the phenomenon that the space is bent in the actual operation process of the battery pack in the electric pile is not influenced by gravity and shaking of a vehicle body, and the performance of the electric pile can be seriously influenced by the phenomenon that the space is bent in the battery pack. In addition, if only a limiting structure in a single direction is arranged in the fuel cell stack, only the influence of gravity or shaking on the single direction is considered, the integral influence of gravity and shaking on the space structure of the stack is ignored, and the effect of supporting the stack is not enough.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide a fuel cell stack limiting rod which can improve the limiting of a fuel cell stack and the supporting performance of the fuel cell stack.
The technical scheme adopted by the utility model is as follows: a fuel cell stack stop lever comprises a stop lever body, an insulating plate and a buffer pad; the two ends of the limiting rod body are provided with fixing plates which are in running fit with the limiting rod body, positioning notches are formed in the surfaces, opposite to the battery pack, of the fixing plates, and fixing holes which are fixed with end plates of the battery pack are formed in the fixing plates; the insulating plate is positioned on the surface of the limiting rod body opposite to the battery pack, and the insulating plate is detachably connected with the limiting rod body; the buffer cushion is positioned on the surface of the limiting rod body, which is away from the battery pack, and the buffer cushion is detachably connected with the limiting rod body.
In the technical scheme, the electric pile limiting rod is used for being circumferentially arranged on the fuel cell electric pile, so that the overall structural strength of the electric pile is ensured; the fixing plates arranged at the two ends of the limiting rod body are positioned firstly and then fixed through the positioning gaps, so that the position installation precision is ensured, and as the fixing plates and the limiting rod body can rotate relatively, the limiting rod body at each position, which is positioned outside the electric pile, of the fixing plates after the end part of the electric pile is installed, can be installed outside the electric pile in a self-adaptive manner according to the inclination angle of the periphery of the electric pile, and is contacted with the surface of the electric pile through the insulating plate after the installation is completed, the installation stability is improved, and as the insulating plate can be detached and replaced conveniently, the buffer pad positioned outside the limiting rod body can absorb external energy; therefore, the phenomenon that the cell is bent in space due to the influence of gravity and shaking can be avoided, and the overall structural strength of the fuel cell stack can be improved.
Further, the surface of the insulating plate is installed on the limiting rod body, the mounting groove is formed in the surface of the insulating plate, which is arranged along the length direction of the limiting rod body, and the surface of the insulating plate is provided with a mounting convex part which is clamped with the mounting groove.
Further, the inside wall of mounting groove is equipped with the anticreep groove, the installation convex part outside is equipped with the anticreep bead that can block into the anticreep groove.
Further, the surface of the insulating plate, which is opposite to the battery pack, is provided with a contact surface, and the width of the contact surface is larger than that of the limiting rod body.
Further, the contact surface is provided with anti-skid patterns.
Further, the buffer cushion is arranged in a U shape, and two ends of the buffer cushion can be in sliding fit with the length direction of the limiting rod body to the outside.
Further, the regulating groove is arranged on the outer side of the length of the limiting rod body, and the regulating groove is in sliding fit with the sliding parts arranged on the inner sides of the two ends of the buffering cushion, so that the buffering cushion can slide along the length of the limiting rod body.
Further, one end of the fixing plate, which is opposite to the end part of the limiting rod body, is provided with a rotation installation part, and the rotation installation part is rotatably installed in an installation hole at the end part of the limiting rod body.
The utility model has the beneficial effects that; the pile limiting rod provided by the utility model is used for being circumferentially arranged on a fuel cell pile, the limiting rod body can be adaptively arranged on the outer side of the pile according to the peripheral inclination angle of the pile, and the pile limiting rod body is contacted with the surface of the pile through the insulating plate after the installation is finished, so that the installation stability is improved, and the insulating plate can be conveniently detached and replaced, and the buffer cushion positioned on the outer side of the limiting rod body can absorb external energy; therefore, the phenomenon that the cell is bent in space due to the influence of gravity and shaking can be avoided, the overall structural strength of the fuel cell stack can be improved, and the fuel cell stack has high practical value.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
Fig. 1 is a perspective view of a fuel cell stack stop lever according to an embodiment of the present utility model.
Fig. 2 is a perspective view of a fuel cell stack stop lever according to an embodiment of the present utility model.
Reference numerals: the stop lever body 100, the mounting groove 110, the adjusting groove 120, the mounting hole 130, the fixing plate 200, the positioning notch 210, the fixing hole 220, the rotation mounting part 230, the insulating plate 300, the mounting boss 310, the anti-falling rib 311, the contact surface 320 and the cushion 400.
Detailed Description
Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model pertains.
As shown in fig. 1 and 2, the embodiment of the present utility model provides a fuel cell stack stop lever for surrounding mounting on a fuel cell stack, thereby ensuring the overall structural strength of the stack; the stop lever comprises a stop lever body 100, an insulating plate 300 and a buffer pad 400; the two ends of the limiting rod body 100 are provided with fixing plates 200, the fixing plates 200 are in running fit with the limiting rod body 100, the opposite surfaces of the fixing plates 200 and the battery pack are provided with positioning notches 210, and the fixing plates 200 are provided with fixing holes 220 which are fixed with end plates of the battery pack; the insulating plate 300 is positioned on the surface of the limiting rod body 100 opposite to the battery pack, and the insulating plate 300 is detachably connected with the limiting rod body 100; the cushion pad 400 is located on the surface of the stop lever body 100 facing away from the battery pack, and the cushion pad 400 is detachably connected with the stop lever body 100.
As shown in fig. 1 and 2, through the above arrangement, the fixing plates 200 disposed at both ends of the stop lever body in the present embodiment are used for fixing with the end plates of the end of the battery pack, and since both ends of the battery pack are provided with the end plates, the length of the stop lever body 100 is selected according to the required length of the battery pack; the limiting rod structure is positioned through the positioning notch 210 before being fixed, the positioning notch is clamped into the protruding structure at the outer side of the end plate, the position installation precision is ensured, and after being positioned, the limiting rod structure is fixed through fixing pieces such as screws installed in the fixing holes 220; because the fixing plate 200 and the limiting rod body 100 can rotate relatively, the limiting rod body 100 at each position outside the electric pile after the fixing plate 200 is arranged at the end part of the electric pile can be arranged at the outer side of the electric pile in a self-adaptive manner according to the inclination angle of the outer periphery of the electric pile, and the fixing plate is in contact with the surface of the electric pile through the insulating plate 300 after the installation is finished, so that the installation stability is improved, and the cushion pad 400 positioned at the outer side of the limiting rod body 100 can absorb external energy because the insulating plate 300 can be detached and replaced conveniently; therefore, the phenomenon that the battery is bent in space due to the influence of gravity and shaking can be avoided, and the overall structural strength of the battery pack electric pile can be improved. In order to make the fixing plate 200 and the stop lever body 100 rotationally fit, in this embodiment, a rotation mounting portion 230 is disposed at an end of the fixing plate 200 opposite to the end of the stop lever body 100, and the rotation mounting portion 230 is rotatably mounted in the mounting hole 130 at the end of the stop lever body 100, and the rotation mounting portion 230 is rotatably mounted by adopting a mounting shaft structure.
As before, the insulating plate 300 is mounted on the surface of the stop lever body 100 opposite to the galvanic pile for making insulating contact with the outer side surface of the battery, and in this embodiment, the mounting groove 110 arranged along the longitudinal direction of the stop lever body 100 is provided on the surface of the stop lever body 100 where the insulating plate 300 is mounted, and the mounting protrusion 310 engaged with the mounting groove 110 is provided on the surface of the insulating plate 300. Thus, the insulating plate 300 can be clamped into the mounting groove 110 through the mounting convex part 310, so that detachable connection with the limit rod body 100 is formed, and the mounting and the dismounting and the replacement are convenient; in order to avoid the insulation board 300 from falling off, the embodiment is further provided with an anti-falling groove on the inner side wall of the mounting groove 110, and an anti-falling rib 311 capable of being blocked into the anti-falling groove is provided on the outer side of the mounting protrusion 310. In this way, the mounting boss 310 of the insulating plate 300 can be engaged with the mounting groove 110, and the insulating plate 300 is prevented from falling off by the locking rib 311 engaged with the locking groove.
As shown in fig. 1 and 2, since the insulating plate 300 needs to be in direct contact with the surface of the stack, in order to improve contact stability, the surface of the insulating plate 300 opposite to the battery pack in this embodiment is provided with a contact surface 320, and the contact surface 320 has a width greater than that of the stop lever body 100. The contact surface 320 is provided with anti-skid patterns.
As shown in fig. 1 and 2, the cushion pad 400 provided in this embodiment is configured to be mounted on the stop lever body 100 to absorb external impact, where the cushion pad 400 is disposed in a U-shape in this embodiment, and two ends of the cushion pad 400 can be slidably engaged with the stop lever body 100 in a longitudinal direction and an outward direction; in addition, the adjusting groove 120 is provided on the outer side of the stop lever body 100, and the adjusting groove 120 is slidably engaged with the sliding portions provided on the inner sides of the two ends of the cushion 400, so that the cushion 400 can slide along the stop lever body 100 in the longitudinal direction. Thus, the cushion pad 400 arranged in a U-shaped structure can be slidably mounted on the stop lever body 100, so that the stress position of the cushion pad can be conveniently adjusted, the sliding stability can be improved under the sliding fit of the adjusting groove 120 and the sliding part, and the cushion pad 400 can be made of rubber.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.
Claims (8)
1. A fuel cell stack stop lever comprising
The limiting rod comprises a limiting rod body (100), wherein fixing plates (200) are arranged at two ends of the limiting rod body (100), the fixing plates (200) are in running fit with the limiting rod body (100), positioning notches (210) are formed in the surfaces, opposite to the surfaces, of the fixing plates (200) and the battery pack, of the fixing plates (200), and fixing holes (220) fixed with end plates of the battery pack are formed in the fixing plates (200);
the insulating plate (300) is positioned on the surface of the limiting rod body (100) opposite to the battery pack, and the insulating plate (300) is detachably connected with the limiting rod body (100);
the buffer pad (400), the buffer pad (400) is located the surface that gag lever post body (100) and group battery deviate from, buffer pad (400) and gag lever post body (100) detachable link to each other.
2. The fuel cell stack stop lever according to claim 1, wherein the surface of the stop lever body (100) to which the insulating plate (300) is mounted is provided with a mounting groove (110) arranged along the longitudinal direction of the stop lever body (100), and the surface of the insulating plate (300) is provided with a mounting protrusion (310) engaged with the mounting groove (110).
3. The fuel cell stack stop lever according to claim 2, wherein the inner side wall of the mounting groove (110) is provided with an anti-drop groove, and the outer side of the mounting boss (310) is provided with an anti-drop rib (311) which can be engaged into the anti-drop groove.
4. The fuel cell stack stop lever according to claim 1, wherein a surface of the insulating plate (300) opposite to the battery pack is provided with a contact surface (320), and the contact surface (320) has a width larger than that of the stop lever body (100).
5. The fuel cell stack stop lever of claim 4, wherein the contact surface (320) has anti-skid patterns on the surface.
6. The fuel cell stack stop lever according to claim 1, wherein the cushion pad (400) is arranged in a U-shape, and both ends of the cushion pad (400) can be slidably fitted to the stop lever body (100) in a long outward direction.
7. The fuel cell stack stop lever according to claim 6, wherein the stop lever body (100) is provided with an adjusting groove (120) on the outer side in the length direction, and the adjusting groove (120) is slidably engaged with sliding portions provided on the inner sides of both ends of the cushion pad (400), so that the cushion pad (400) can slide along the stop lever body (100) in the length direction.
8. The fuel cell stack stop lever according to claim 1, wherein the end of the fixing plate (200) opposite to the end of the stop lever body (100) is provided with a rotation mounting portion (230), and the rotation mounting portion (230) is rotatably mounted in a mounting hole (130) of the end of the stop lever body (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322357313.XU CN220731569U (en) | 2023-08-31 | 2023-08-31 | Fuel cell pile limit rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322357313.XU CN220731569U (en) | 2023-08-31 | 2023-08-31 | Fuel cell pile limit rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220731569U true CN220731569U (en) | 2024-04-05 |
Family
ID=90494026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322357313.XU Active CN220731569U (en) | 2023-08-31 | 2023-08-31 | Fuel cell pile limit rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220731569U (en) |
-
2023
- 2023-08-31 CN CN202322357313.XU patent/CN220731569U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |