CN215911451U

CN215911451U - Fixing plate of fuel cell system and fuel cell system

Info

Publication number: CN215911451U
Application number: CN202122227630.0U
Authority: CN
Inventors: 李新乐; 王小兆; 原强
Original assignee: Weishi Energy Technology Co Ltd
Current assignee: Weishi Energy Technology Co Ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-02-25
Anticipated expiration: 2031-09-14

Abstract

The utility model discloses a fixing plate of a fuel cell system and the fuel cell system, the fixing plate of the fuel cell system comprises: the first plate is used for buckling with the second plate; the edge of the first plate is provided with a first flanging, the edge of the second plate is provided with a second flanging, and the first flanging and the second flanging are connected to realize buckling of the first plate and the second plate; the first plate is provided with a first lightening hole, the second plate is provided with a second lightening hole, and the first lightening hole and the second lightening hole are arranged oppositely along the buckling direction. According to the fixing plate of the fuel cell system, the first flanging of the first plate and the second flanging of the second plate are connected, so that the fixing plate with the rectangular cavity can be constructed, the whole weight of the fixing plate is light, the fixing plate has high structural strength, the machining process is simple, the machining cost is low, and mass production is easy to realize.

Description

Fixing plate of fuel cell system and fuel cell system

Technical Field

The present invention relates to the field of fuel cell manufacturing technology, and in particular, to a fixing plate of a fuel cell system and a fuel cell system having the same.

Background

The fuel cell system fixing plate mainly solves the problems of installation and fixation of all parts, provides an external fixing point for the whole system and facilitates installation and transportation of the fuel cell system. In the prior art, most of fixing plates of a fuel cell system are integrally processed by aluminum alloy or welded by metal plates, the integral processing cost of the aluminum alloy is high, materials are wasted, products are heavy, and the fuel cell system is not suitable for mass production; and the panel beating is tailor-welded mostly beam structure, and spare part is more, and the product is complicated, and the quality is difficult to control, has the space of improvement.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide a fixing plate of a fuel cell system, which has high structural strength and low processing difficulty, and effectively reduces the processing cost.

A fixing plate of a fuel cell system according to an embodiment of the present invention includes: the first plate is used for buckling with the second plate; the edge of the first plate is provided with a first flanging, the edge of the second plate is provided with a second flanging, and the first flanging and the second flanging are connected to realize buckling of the first plate and the second plate; the first plate is provided with a first lightening hole, the second plate is provided with a second lightening hole, and the first lightening hole and the second lightening hole are arranged oppositely along the buckling direction.

According to the fixing plate of the fuel cell system, the first flanging of the first plate and the second flanging of the second plate are connected, so that the fixing plate with the rectangular cavity can be constructed, the whole weight of the fixing plate is light, the fixing plate has high structural strength, the machining process is simple, the machining cost is low, and mass production is easy to realize.

According to the fixing plate of the fuel cell system according to some embodiments of the present invention, the first flange is lap-joined to the second flange with a weld gap formed at a lap position.

According to the fixing plate of a fuel cell system of some embodiments of the present invention, the first flange is configured as an annular flange extending in a circumferential direction of the first plate, and the second flange is configured as an annular flange extending in a circumferential direction of the second plate.

The fixing plate of the fuel cell system according to some embodiments of the present invention further includes: the reinforcing plate is arranged between the first plate and the second plate and is fixedly connected with at least one of the first plate and the second plate; the reinforcing plate is provided with a weight reducing structure opposite to the first weight reducing hole and the second weight reducing hole.

A fixing plate of a fuel cell system according to some embodiments of the present invention, the first plate and the second plate each having a connection region and a reinforcement region, the first lightening holes including first lightening sub-holes provided in the connection region of the first plate and second lightening sub-holes provided in the reinforcement region of the first plate, the second lightening holes including third lightening sub-holes provided in the connection region of the second plate and fourth lightening sub-holes provided in the reinforcement region of the second plate; the first weight-reducing sub-hole is opposite to the third weight-reducing sub-hole in the buckling direction, the second weight-reducing sub-hole is opposite to the fourth weight-reducing sub-hole in the buckling direction, and the weight-reducing structure comprises a weight-reducing notch opposite to the first weight-reducing sub-hole and a weight-reducing through hole opposite to the second weight-reducing sub-hole.

According to the fixing plate of the fuel cell system of some embodiments of the present invention, a circumferential edge of the first weight-reducing sub-hole is provided with a third flange, a circumferential edge of the third weight-reducing sub-hole is provided with a fourth flange, and the third flange is connected to the fourth flange; the peripheral edge of the second weight-reducing sub-hole is provided with a fifth flanging, the peripheral edge of the fourth weight-reducing sub-hole is provided with a sixth flanging, the fifth flanging and the sixth flanging extend towards directions close to each other, the peripheral edge of the weight-reducing through hole is provided with an extension flanging, and the extension flanging is clamped between the fifth flanging and the sixth flanging.

The fixing plate of the fuel cell system according to some embodiments of the present invention further includes: the first plate is buckled above the second plate, the lower end of the nut pipe is fixed on the second plate, a supporting step is arranged on the peripheral wall of the upper end of the nut pipe, and the second plate is supported on the supporting step; the first plate is provided with an upper mounting port, the second plate is provided with a bolt through hole, and the upper mounting port, the pipe cavity of the nut pipe and the bolt through hole are sequentially communicated along the vertical direction.

The fixing plate of the fuel cell system according to some embodiments of the present invention further includes: a sleeve fixedly supported between the first plate and the second plate; the first plate is provided with an upper connector, the second plate is provided with a lower connector, and the upper connector, the tube cavity of the sleeve and the lower connector are sequentially communicated along the vertical direction.

According to the fixing plate of the fuel cell system of some embodiments of the present invention, the first flange and the second flange are of a conformal design.

The utility model also provides a fuel cell system.

According to the fuel cell system of the embodiment of the utility model, the fixing plate of the fuel cell system described in any one of the above embodiments is provided.

The advantages of the fuel cell system and the fixing plate of the fuel cell system are the same as those of the prior art, and are not described herein again.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a fixing plate of a fuel cell system according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a fixing plate of a fuel cell system according to an embodiment of the present invention (with a first plate removed);

fig. 3 is a schematic view showing the installation of the first and second flanges in the fixing plate of the fuel cell system according to the embodiment of the present invention;

fig. 4 is a schematic view showing the installation of a nut tube in a fixing plate of a fuel cell system according to an embodiment of the present invention;

fig. 5 is a schematic view showing the installation of a sleeve in a fixing plate of a fuel cell system according to an embodiment of the present invention;

fig. 6 is a schematic view showing the installation of the third and fourth burring in the fixing plate of the fuel cell system according to the embodiment of the utility model;

fig. 7 is a schematic view showing the installation of fifth and sixth flanges in a fixing plate of a fuel cell system according to an embodiment of the present invention;

fig. 8 is an exploded view of a fixing plate of a fuel cell system according to an embodiment of the present invention.

Reference numerals:

a fixing plate 100 is fixed to the upper surface of the body,

a first plate 1, a first flange 11, a first weight-reducing sub-hole 121, a third flange 122, a second weight-reducing sub-hole 123, a fifth flange 124,

a second plate 2, a second flange 21, a third weight-reducing hole 221, a fourth flange 222, a fourth weight-reducing hole 223, a sixth flange 224,

the reinforcing plate 3, the extending flanging 31, the weight-reducing notch 32, the weight-reducing through hole 33, the nut tube 4, the supporting step 41, the sleeve 5 and the small bracket 6.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

A fixing plate 100 of a fuel cell system according to an embodiment of the present invention will be described with reference to fig. 1 to 8.

It should be noted that the fuel cell system is composed of components such as an air module, a cooling module, and a hydrogen module, and a plurality of components are independent of each other, and the fixing plate 100 of the fuel cell system is used to construct a fixing frame to realize the installation and fixation of each component, thereby realizing the integrated installation, and the fixing plate 100 of the fuel cell system can provide an external fixing point for the whole fuel cell system, so that the fuel cell system is convenient to install and transport.

As shown in fig. 1, a fixing plate 100 of a fuel cell system according to an embodiment of the present invention includes: a first plate 1 and a second plate 2.

As shown in fig. 2, the first plate 1 and the second plate 2 may be configured as a stamped and integrally formed sheet metal part, the first plate 1 and the second plate 2 are configured as a square plate, the size of the first plate 1 is similar to that of the second plate 2, and the fixing plate 100 may be formed like a rectangle by fastening the first plate 1 to the second plate 2.

Wherein the border of first board 1 is equipped with first turn-ups 11, and the border of second board 2 is equipped with second turn-ups 21, and first turn-ups 11 and second turn-ups 21 are respectively in the side protrusion setting each other of first board 1 and second board 2 orientation, and first turn-ups 11 links to each other with second turn-ups 21. That is to say, first board 1 and second board 2 are just to the interval setting, the border position department of first board 1 is equipped with towards the convex first turn-ups 11 of second board 2, and the border position department that second board 2 corresponds is equipped with towards the convex second turn-ups 21 of first board 1, accomplish the location back when first board 1 and second board 2, make first turn-ups 11 link to each other with second turn-ups 21, in order to realize the fixed of first board 1 and second board 2, thereby accomplish the processing of fixed plate 100, simultaneously, form cavity structures between first board 1 and the second board 2, make the whole weight of fixed plate 100 lighter and have good resistance to deformation ability.

Wherein, can adopt modes such as welding between the first turn-ups 11 and between the second turn-ups 21 to fix to guarantee to have higher connection stability between first board 1 and the second board 2, produce when receiving external force impact and break away from with first board 1 and second board 2, improved the stability of fixed plate 100.

It should be noted that, as shown in fig. 1, one side of the first plate 1, which is far away from the second plate 2, is provided with two small brackets 6, the two small brackets 6 are respectively arranged on two sides of the first plate 1 in the width direction, and the small brackets 6 are provided with through hole structures, and the through hole structures are used for realizing the fixed installation of circuits and components of the fuel cell system, which is beneficial to realizing the diversified layout of the fuel cell system.

As shown in fig. 2, the first plate 1 is provided with a first lightening hole, the second plate 2 is provided with a first lightening hole, and the first lightening hole are arranged oppositely along the buckling direction. Therefore, the lightening holes penetrating along the thickness direction of the fixing plate 100 are constructed, the weight of the fixing plate 100 is further lightened, the weight of the fuel cell system is reduced, and heat generated by the fuel cell system can be diffused through the lightening holes, so that the heat dissipation performance of the fuel cell system is improved, and the overall safety is improved.

According to the fixing plate 100 of the fuel cell system of the embodiment of the utility model, the fixing plate 100 with the rectangular cavity can be constructed by connecting the first flange 11 of the first plate 1 and the second flange 21 of the second plate 2, the fixing plate 100 has light weight and high structural strength, the processing process is simple, the processing cost is low, and mass production is easy to realize.

In some embodiments, the first flange 11 is lap-joined to said second flange 21 with a weld gap formed at the lap position. That is, the second flange 21 may be located outside the first flange 11, and when the first plate 1 and the second plate 2 are fastened, the outer side of the first flange 11 is engaged with the inner side of the second flange 21, or as shown in fig. 3, the first flange 11 may be located outside the second flange 21, and when the first plate 1 and the second plate 2 are fastened, the inner side of the first flange 11 is engaged with the outer side of the second flange 21, and further, the first plate 1 and the second plate 2 may be fixed by welding the engaging position of the first flange 11 and the second flange 21.

It can be understood that the side wall of the first flange 11 and the side wall of the second flange 21 are arranged to be jointed, so that the first flange 11 and the second flange 21 have a larger connecting area, and the connecting strength of the first plate 1 and the second plate 2 is improved. Wherein, in the installation, first turn-ups 11 and second turn-ups 21 are towards lateral wall clearance fit each other to form the weld gap, through carrying out spot welding in weld gap department, can accomplish first board 1 and second board 2 welding and link to each other, avoided machining error to lead to first board 1 and second board 2 can't realize the lock, improved the installation reliability of first board 1 and second board 2.

In some embodiments, the first flange 11 is configured as an annular flange extending in the circumferential direction of the first plate 1, and the second flange 21 is configured as an annular flange extending in the circumferential direction of the second plate 2. That is, as shown in fig. 2, the first flange 11 extends downward around the circumferential direction of the first plate 1 to form an upper cavity which is open downward, the second flange 21 extends upward around the axial direction of the first plate 1 to form a lower cavity which is open upward, the size of the second plate 2 is smaller than that of the first plate 1, the second plate 2 can extend into the upper cavity from the lower side, and the inner circumferential wall of the first flange 11 and the second flange 21 are engaged in the circumferential direction, so that the first plate 1 and the second plate 2 are fixed in the circumferential direction. From this, guaranteed that fixed plate 100 all has sufficient joint strength in arbitrary circumference position department to avoid the unilateral atress to lead to fixed plate 100 unstability, improved fixed plate 100's overall stability.

In some embodiments, as shown in fig. 2, the fixing plate 100 of the fuel cell system of the embodiment of the present invention further includes: the stiffening plate 3, the stiffening plate 3 is installed between first board 1 and second board 2, and stiffening plate 3 and first board 1 and the fixed linking to each other of at least one in the second board 2. That is to say, can fix stiffening plate 3 in advance in the one side of first board 1 towards second board 2, perhaps fix stiffening plate 3 in advance in the one side of second board 2 towards first board 1, after stiffening plate 3 is fixed to be accomplished, through carrying out the lock with first board 1 and second board 2, can install stiffening plate 3 between first board 1 and second board 2, from this, make stiffening plate 3 can support the both sides of fixed plate 100 to improve the structural strength of fixed plate 100.

Wherein, the reinforcing plate 3 is provided with a weight reducing structure which is opposite to the first weight reducing hole and the first weight reducing hole. That is, after the fixing plate 100 is assembled, the weight-reducing structure of the reinforcing plate 3 is disposed opposite to the first weight-reducing hole and the first weight-reducing hole, so that the weight-reducing hole of the fixing plate 100 is configured as a through hole penetrating in the thickness direction, which is beneficial to achieving heat dissipation of the fuel cell system, and further reduces the overall weight of the fixing plate 100.

In some embodiments, the first plate 1 and the second plate 2 each have a connection region and a reinforcement region, the first lightening holes include a first lightening sub hole 121 provided in the connection region of the first plate 1 and a second lightening sub hole 123 provided in the reinforcement region of the first plate 1, and the first lightening holes include a third lightening sub hole 221 provided in the connection region of the second plate 2 and a fourth lightening sub hole 223 provided in the reinforcement region of the second plate 2. The first weight-reducing sub-hole 121 is opposite to the third weight-reducing sub-hole 221 along the buckling direction, the second weight-reducing sub-hole 123 is opposite to the fourth weight-reducing sub-hole 223 along the buckling direction, and the weight-reducing structure comprises a weight-reducing notch 32 corresponding to the first weight-reducing sub-hole 121 and a weight-reducing through hole 33 corresponding to the second weight-reducing sub-hole 123.

Wherein, as shown in fig. 2, the left side area of the first plate 1 and the second plate 2 is set as a connection area, the right side area of the first plate 1 and the second plate 2 is set as a reinforcement area, the first weight-reducing sub-hole 121 of the first plate 1 is set as two rectangular holes, the two first weight-reducing sub-holes 121 are arranged at the left side area of the first plate 1 at intervals along the width direction (up-down direction in fig. 2), the third weight-reducing sub-hole 221 of the second plate 2 is correspondingly set as two, and the left side of the reinforcement plate 3 is correspondingly provided with two weight-reducing notches 32 recessed towards the right side, when the first plate 1 and the second plate 2 are fastened and the reinforcement plate 3 is fixed between the first plate 1 and the second plate 2, as shown in fig. 2, the first weight-reducing sub-hole 121, the third weight-reducing sub-hole 221 and the weight-reducing notches 32 of the reinforcement plate 3 are correspondingly arranged, that is, that the first weight-reducing sub-hole 121, the third weight-hole 221 and the weight-reducing notches 32 are directly opposite to the thickness direction of the fixing plate 100, so that the first lightening holes of the fixing plate 100 are configured as through holes penetrating in the thickness direction to facilitate heat dissipation.

Meanwhile, the second weight-reducing sub-holes 123 of the first plate 1 are arranged as two irregular holes, the two first weight-reducing sub-holes 121 are arranged at intervals in the width direction (up-down direction in fig. 2) in the right side region of the first plate 1, the four weight-reducing sub-holes 223 of the second plate 2 are correspondingly arranged as two, and the middle region of the reinforcing plate 3 is correspondingly provided with two weight-reducing through-holes 33, when the first plate 1 and the second plate 2 are fastened and the reinforcing plate 3 is fixed between the first plate 1 and the second plate 2, as shown in fig. 2, the second weight-reducing sub-holes 123, the fourth weight-reducing sub-holes 223 and the weight-reducing through-holes 33 of the reinforcing plate 3 are correspondingly arranged, that is, the second weight-reducing sub-holes 123, the fourth weight-holes 223 and the weight-reducing through-holes 33 are directly opposite to each other in the thickness direction of the fixing plate 100, so that the second weight-reducing holes of the fixing plate 100 are constructed as through-holes penetrating in the thickness direction, thereby facilitating heat dissipation.

It should be noted that, as shown in fig. 8, the relative distances between the first weight-reduction sub-hole 121 and the third weight-reduction sub-hole 221 and the edge position of the fixing plate 100 are relatively large, and the relative distances between the second weight-reduction sub-hole 123 and the fourth weight-reduction sub-hole 223 and the edge position of the fixing plate 100 are relatively small, by providing the reinforcing plate 3 in the right-side area of the fixing plate 100, both sides of the fixing plate 100 have sufficient structural strength to avoid the single-side instability of the fixing plate 100 to cause the damage to the fuel cell system, thereby improving the reliability of the fuel cell system.

In some embodiments, the circumferential edge of the first weight-reducing sub-hole 121 is provided with a third flange 122, the circumferential edge of the third weight-reducing sub-hole 221 is provided with a fourth flange 222, and the third flange 122 is connected with the fourth flange 222. Specifically, as shown in fig. 6 and 8, a third turned-over edge 122 turned over downward is arranged at the circumferential edge of the first weight-reducing sub-hole 121, a fourth turned-over edge 222 turned over upward is arranged at the circumferential edge of the third weight-reducing sub-hole 221, a pressing surface extending in the horizontal direction is configured at the upper side of the fourth turned-over edge 222, and the third turned-over edge 122 can be pressed against the pressing surface from the upper side, so that the limit matching of the first plate 1 and the second plate 2 is realized, and the positioning during the buckling process of the first plate 1 and the second plate 2 is realized.

The circumferential edge of the second weight-reducing sub-hole 123 is provided with a fifth flanging 124, the circumferential edge of the fourth weight-reducing sub-hole 223 is provided with a sixth flanging 224, the fifth flanging 124 and the sixth flanging 224 extend towards the direction close to each other, the circumferential edge of the weight-reducing through hole 33 is provided with an extension flanging 31, and the extension flanging 31 is clamped between the fifth flanging 124 and the sixth flanging 224. Specifically, as shown in fig. 7, a fifth turned-over edge 124 turned over downward is disposed at a circumferential edge of the second weight-reducing sub-hole 123, a sixth turned-over edge 224 turned over upward is disposed at a circumferential edge of the fourth weight-reducing sub-hole 223, the fifth turned-over edge 124 and the sixth turned-over edge 224 are arranged opposite to each other, the reinforcing plate 3 is provided with an extending turned-over edge 31 extending between the fifth turned-over edge 124 and the sixth turned-over edge 224 at the weight-reducing through hole 33, the fifth turned-over edge 124 is pressed against an upper side of the extending turned-over edge 31 from the upper side, and the sixth turned-over edge 224 is pressed against a lower side of the extending turned-over edge 31, so that the limiting matching of the first plate 1, the second plate 2 and the reinforcing plate 3 is realized, and when the positioning in the buckling process of the first plate 1 and the second plate 2 is realized, the mounting stability of the reinforcing plate 3 is improved, and the stability of the fixing plate 100 is improved.

In some embodiments, as shown in fig. 2, the fixing plate 100 of the fuel cell system of the embodiment of the present invention further includes: the nut pipe 4, the first board 1 lock in the top of second board 2, the lower extreme of nut pipe 4 is fixed in second board 2, and the periphery wall of the upper end of nut pipe 4 is equipped with supports step 41, and first board 1 supports in supporting step 41, and wherein first board 1 is equipped with the installing port, and second board 2 is equipped with the bolt through-hole, goes up the installing port, and the lumen and the bolt through-hole of nut pipe 4 link up in proper order along upper and lower direction.

That is, as shown in fig. 4, the nut tube 4 is integrally configured as a column structure, the outer peripheral wall of the nut tube 4 is provided with a supporting step 41 protruding outward around the circumferential direction, the inner diameter of the nut tube 4 is equal to the diameter of the bolt through hole, the lower end of the nut tube 4 is aligned to the bolt through hole, so that the nut tube 4 can be welded and installed at the edge position of the bolt through hole, the outer diameter of the nut tube 4 is equal to the diameter of the upper installation opening, when the nut tube 4 is fixed on the second plate 2 and when the first plate 1 and the second plate 2 are buckled, the upper end of the nut tube 4 can pass through the upper installation opening to the upper side of the first plate 1, and the lower side surface of the first plate 1 can be pressed against the upper side surface of the supporting step 41, so that the nut tube 4 is supported between the first plate 1 and the second plate 2. Thus, when the first plate 1 or the second plate 2 is impacted, the impact force may be transmitted to the other of the first plate 1 and the second plate 2 through the nut tube 4, thereby improving reliability and stability of the fixing plate 100.

Further, nut pipe 4 can set up to a plurality ofly, and a plurality of nut pipes 4 can arrange according to fuel cell's overall arrangement, and nut pipe 4's inner chamber is equipped with the helicitic texture, and fuel cell's all the other spare parts can carry out the spiro union through connecting piece and nut pipe 4 to fix on fixed plate 100, in order to do benefit to the installation that realizes fuel cell system and fix.

In some embodiments, as shown in fig. 2, the fixing plate 100 of the fuel cell system of the embodiment of the present invention further includes: the sleeve 5 is fixedly supported between the first plate 1 and the second plate 2; wherein the first plate 1 is provided with an upper connector, the second plate 2 is provided with a lower connector, and the upper connector, the tube cavity of the sleeve 5 and the lower connector are sequentially communicated along the up-down direction.

That is, as shown in fig. 5, the sleeve 5 is integrally constructed in a tubular structure, the inner diameter of the sleeve 5 is equal to the diameters of the upper connection port and the lower connection port, the sleeve 5 can be welded and installed at the edge position of the lower connection port by facing the lower end of the sleeve 5 to the lower connection port, and when the sleeve 5 is welded and fixed to the second plate 2 and the first plate 1 and the second plate 2 are fastened, the upper end of the sleeve 5 can be pressed against the lower side surface of the first plate 1, so that the sleeve 5 is supported between the first plate 1 and the second plate 2. Thus, when the first plate 1 or the second plate 2 is impacted, the impact force may be transmitted to the other of the first plate 1 and the second plate 2 through the sleeve 5, thereby improving reliability and stability of the fixing plate 100.

Further, the sleeve 5 may be provided in plurality, and the plurality of sleeves 5 may be arranged according to the overall layout of the fuel cell system to provide bolt passing holes for the rest of components of the fuel cell system, so as to implement the installation of the fuel cell system, and the sleeve 5 may be arranged in a staggered manner with the rest of components of the fuel cell system to play a role of supporting the upper and lower plates, thereby preventing the first plate 1 and the second plate 2 from being over-pressurized.

In some embodiments, the first and

second flanges

11, 21 are of a form-following design, whereby the first flange 11 at any position of the first panel 1 can be engaged with the second flange 21 of the second panel 2. Meanwhile, the third flange 122 and the fourth flange 222 may be designed to follow the shape, so that the third flange 122 of the first plate 1 may be connected to the fourth flange 222 of the second plate 2, thereby improving the connection stability between the first plate 1 and the second plate 2.

Further, the shape following design of the fifth flange 124 and the sixth flange 224 can be provided, so that the fifth flange 124 of the first plate 1 and the sixth flange 224 of the second plate 2 can be symmetrically pressed on the upper side and the lower side of the reinforcing plate 3 to limit the reinforcing plate 3, and the installation stability of the reinforcing plate 3 is improved.

Through the arrangement, when the first plate 1 or the second plate 2 is impacted, the impact force can be uniformly transmitted to the reinforcing plate 3 and the other one of the first plate 1 and the second plate 2, so that the deformation resistance of the fixing plate 100 is improved, and the overall stability of the fixing plate 100 is improved.

The utility model also provides a fuel cell system.

According to the fuel cell system of the embodiment of the present invention, the fixing plate 100 of the fuel cell system of any one of the above-described embodiments is provided. Connect through the first turn-ups 11 with the first board 1 and the second turn-ups 21 of second board 2, can construct the fixed plate 100 that has the rectangle cavity, the whole weight of fixed plate 100 is lighter and has higher structural strength, the course of working is simple, the processing cost is low, easily realize the volume production, the processing cost of fixed plate 100 has been reduced, thereby the processing cost of fuel cell system has been reduced, and the security and the reliability of fuel cell system have been improved, thereby the competitiveness of fuel cell system has been improved.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.

In the description of the present invention, "a plurality" means two or more.

In the description of the present invention, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.

In the description of the utility model, "above", "over" and "above" a first feature in a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A fixture plate (100) for a fuel cell system, comprising:

the plate comprises a first plate (1) and a second plate (2), wherein the first plate (1) is used for being buckled with the second plate (2);

the edge of the first plate (1) is provided with a first flanging (11), the edge of the second plate (2) is provided with a second flanging (21), and the first flanging (11) is connected with the second flanging (21) to realize buckling of the first plate (1) and the second plate (2); wherein

The first plate (1) is provided with a first lightening hole, the second plate (2) is provided with a second lightening hole, and the first lightening hole and the second lightening hole are arranged in a right-to-right mode along the buckling direction.

2. The fixing plate (100) of a fuel cell system according to claim 1, wherein the first flange (11) is lap-joined to the second flange (21) with a weld gap formed at the lap-joint position.

3. The fixing plate (100) of a fuel cell system according to claim 1, characterized in that the first flange (11) is configured as an annular flange extending in the circumferential direction of the first plate (1), and the second flange (21) is configured as an annular flange extending in the circumferential direction of the second plate (2).

4. The fixation plate (100) of a fuel cell system according to any of claims 1-3, further comprising: the reinforcing plate (3) is installed between the first plate (1) and the second plate (2), and the reinforcing plate (3) is fixedly connected with at least one of the first plate (1) and the second plate (2);

the reinforcing plate (3) is provided with a weight reducing structure opposite to the first weight reducing hole and the second weight reducing hole.

5. The fixing plate (100) of a fuel cell system according to claim 4, wherein the first plate (1) and the second plate (2) each have a connection region and a reinforcement region, the first lightening holes include a first lightening sub-hole (121) provided at the connection region of the first plate (1) and a second lightening sub-hole (123) provided at the reinforcement region of the first plate (1), the second lightening holes include a third lightening sub-hole (221) provided at the connection region of the second plate (2) and a fourth lightening sub-hole (223) provided at the reinforcement region of the second plate (2); wherein the content of the first and second substances,

the first weight-reducing sub-hole (121) is opposite to the third weight-reducing sub-hole (221) in the buckling direction, the second weight-reducing sub-hole (123) is opposite to the fourth weight-reducing sub-hole (223) in the buckling direction, and the weight-reducing structure comprises a weight-reducing notch (32) corresponding to the first weight-reducing sub-hole (121) and a weight-reducing through hole (33) corresponding to the second weight-reducing sub-hole (123).

6. The fixing plate (100) of a fuel cell system according to claim 5,

a third flanging (122) is arranged at the circumferential edge of the first weight-reducing sub-hole (121), a fourth flanging (222) is arranged at the circumferential edge of the third weight-reducing sub-hole (221), and the third flanging (122) is connected or lapped with the fourth flanging (222);

the circumferential edge of the second weight-reducing sub-hole (123) is provided with a fifth flanging (124), the circumferential edge of the fourth weight-reducing sub-hole (223) is provided with a sixth flanging (224), the fifth flanging (124) and the sixth flanging (224) extend towards directions close to each other, the circumferential edge of the weight-reducing through hole (33) is provided with an extension flanging (31), and the extension flanging (31) is clamped between the fifth flanging (124) and the sixth flanging (224).

7. The fixing plate (100) of the fuel cell system according to any one of claims 1 to 3, further comprising: the first plate (1) is buckled above the second plate (2), the lower end of the nut tube (4) is fixed to the second plate (2), a supporting step (41) is arranged on the peripheral wall of the upper end of the nut tube (4), and the first plate (1) is supported on the supporting step (41); wherein the content of the first and second substances,

the first plate (1) is provided with an upper mounting port, the second plate (2) is provided with a bolt through hole, and the upper mounting port, the pipe cavity of the nut pipe (4) and the bolt through hole are sequentially communicated along the vertical direction.

8. The fixing plate (100) of the fuel cell system according to any one of claims 1 to 3, further comprising: a sleeve (5), the sleeve (5) being fixedly supported between the first plate (1) and the second plate (2);

the first plate (1) is provided with an upper connector, the second plate (2) is provided with a lower connector, and the upper connector, the tube cavity of the sleeve (5) and the lower connector are sequentially communicated along the vertical direction.

9. Fixing plate (100) of a fuel cell system according to any of claims 1-3, characterized in that the first flanging (11) and the second flanging (21) are of form-following design.

10. A fuel cell system, characterized in that a fixing plate (100) of the fuel cell system according to any one of claims 1-9 is provided.