CN214176085U

CN214176085U - Guard plate for fuel cell

Info

Publication number: CN214176085U
Application number: CN202023040791.0U
Authority: CN
Inventors: 王胜利; 王志强; 姜永燚; 张林松; 王朝云
Original assignee: Mingtian Hydrogen Energy Technology Co ltd
Current assignee: Mingtian Hydrogen Energy Technology Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-09-10
Anticipated expiration: 2030-12-17

Abstract

The utility model discloses a backplate for fuel cell, comprising a base plate, the both sides outer wall of bottom plate is opened respectively has the bottom plate recess, and the top outer wall of bottom plate is opened has the bottom plate clearance that the equidistance distributes, and is provided with the bottom plate arch between per two bottom plate clearances, and two bottom plate recess inner walls sliding connection have the curb plate respectively, and one side outer wall that two curb plates are close to two bottom plate recesses all is provided with the curb plate arch, every bottom plate recess and the protruding looks adaptation of curb plate, the structure of bottom plate recess is "protruding" style of calligraphy structure, and every curb plate opposite end is the arc structure, every the bottom inner wall in bottom plate clearance has all opened the guide hole, open bottom plate bottom both sides outer wall has L type groove, and the top both sides inner wall in two L type grooves has all opened the draw-in groove, and one side inner wall in every L type groove all is provided with the wedge arch. The utility model discloses effectively install curb plate and bottom plate and dismantle, made things convenient for overall structure's change, effectively strengthened the steadiness that curb plate and bottom plate are connected.

Description

Guard plate for fuel cell

Technical Field

The utility model relates to a fuel cell backplate technical field especially relates to a backplate for fuel cell.

Background

With the development of society, fossil energy is gradually exhausted, the problem of climate warming is more serious, the starting of a novel energy conversion device is imperative, a fuel cell is a device for converting energy stored in fuel and oxidant into electric energy, mechanical moving parts are not arranged, the conversion process is an electrochemical reaction process, the limitation of Carnot cycle is avoided, the fuel cell has higher energy conversion efficiency than an internal combustion engine, and the fuel cell has wide application prospects in the fields of transportation, stationary stations, standby power supplies and the like. In some application scenarios, the power provided by a single fuel cell is difficult to meet the use requirement, and multiple cells are usually connected together to form a fuel cell stack to meet the corresponding power requirement. In a use scene such as a mobile application, the fuel cell stack needs to be isolated from an external housing to ensure safe use.

However, most of the fuel cell shields in the prior art have relatively poor isolation effect, resulting in poor mechanical protection effect and poor cooling quality, and therefore, a need exists for a shield for a fuel cell.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing a guard plate for a fuel cell.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a backplate for fuel cell, includes the bottom plate, the both sides outer wall of bottom plate is opened respectively has the bottom plate recess, and the top outer wall of bottom plate is opened has the bottom plate clearance that the equidistance distributes, and is provided with the bottom plate arch between per two bottom plate clearances, and two bottom plate recess inner walls sliding connection respectively have the curb plate, and two curb plates are close to one side outer wall of two bottom plate recesses and all are provided with the curb plate arch, every bottom plate recess and the protruding looks adaptation of curb plate.

As a further aspect of the present invention: the structure of the bottom plate groove is of a convex structure, and the opposite ends of each side plate are of arc structures.

As a further aspect of the present invention: and a guide hole is formed in the inner wall of the bottom of each bottom plate gap.

As a further aspect of the present invention: the bottom plate bottom both sides outer wall is opened there are L type groove, and the top both sides inner wall in two L type grooves all opens the draw-in groove, and one side inner wall in every L type groove all is provided with the wedge arch.

As a further aspect of the present invention: two the equal joint of bottom inner wall of draw-in groove has same collecting vat, and two collecting vat top four corners outer walls all weld have the toper type card protruding, and collecting vat top both sides outer wall has all opened the wedge groove.

As a further aspect of the present invention: each tapered clamping protrusion is matched with each clamping groove, and each wedge-shaped groove is matched with each wedge-shaped protrusion.

Compared with the prior art, the utility model provides a backplate for fuel cell possesses following beneficial effect:

1. this a backplate for fuel cell, can effectively install curb plate and bottom plate and dismantle through setting up bottom plate recess and curb plate arch, the change of overall structure has been made things convenient for, and the structure of bottom plate recess sets up to "protruding" style of calligraphy structure, the steadiness that curb plate and bottom plate are connected has effectively been strengthened, the bottom plate top is provided with bottom plate clearance and guide hole simultaneously, effectively promoted dredging of the foreign matter that enters into the bottom plate, the inside cleanliness of bottom plate has been ensured, and the outer end structure of two curb plates is the arc structure, the isolation steadiness of curb plate has effectively been strengthened.

2. This a backplate for fuel cell, through the protruding joint of the toper type card in the L type inslot of bottom plate with collecting vat top four corners for the bottom plate can be hugged closely to the collecting vat, has not only made things convenient for the installation and the dismantlement of collecting vat, is convenient for accept the foreign matter in the bottom plate in addition, has improved the practicality of integrated device, and simultaneously, through with the protruding joint of wedge on two L type inslot walls in the wedge inslot of collecting vat both sides, effectively promoted being connected between collecting vat and the bottom plate, improved the steadiness between collecting vat and the bottom plate.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses simple structure, convenient operation.

Drawings

Fig. 1 is a schematic front view of a guard plate for a fuel cell according to the present invention;

fig. 2 is an exploded view of a protector for a fuel cell according to the present invention;

fig. 3 is a schematic partial structural diagram of a guard plate for a fuel cell according to the present invention.

In the figure: 1-a collecting tank, 2-a bottom plate, 3-a bottom plate gap, 4-a bottom plate bulge, 5-a side plate bulge, 6-a side plate, 7-a bottom plate groove, 8-a guide hole, 9-a clamping groove, 10-a wedge-shaped bulge, 11-a cone-shaped clamping bulge and 12-a wedge-shaped groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

A guard board for a fuel cell is shown in figures 1-3 and comprises a bottom plate 2, bottom plate grooves 7 are respectively formed in the outer walls of two sides of the bottom plate 2, the structure of each bottom plate groove 7 is a convex structure, bottom plate gaps 3 distributed at equal intervals are formed in the outer wall of the top of the bottom plate 2, a bottom plate bulge 4 is arranged between every two bottom plate gaps 3, a guide hole 8 is formed in the inner wall of the bottom of each bottom plate gap 3, side plates 6 are respectively connected to the inner walls of the two bottom plate grooves 7 in a sliding mode, side plate bulges 5 are respectively arranged on the outer walls of one sides, close to the two bottom plate grooves 7, of the two side plates 6, each bottom plate groove 7 is matched with each side plate bulge 5, the opposite ends of each side plate 6 are of arc structures, each side plate 6 is made of an insulating material, and the use temperature is between minus 50 ℃ and 1000 ℃; can effectively install and dismantle curb plate 6 and bottom plate 2 through setting up bottom plate recess 7 and curb plate arch 5, the change of overall structure has been made things convenient for, and the structure of bottom plate recess 7 sets up to "protruding" style of calligraphy structure, the steadiness that curb plate 6 and bottom plate 2 are connected has effectively been strengthened, 2 tops of bottom plate are provided with bottom plate clearance 3 and guide hole 8 simultaneously, effectively promoted dredging of the foreign matter that enters into in bottom plate 2, the inside cleanliness of bottom plate 2 has been ensured, and the outer end structure of two curb plates 6 is the arc structure, the isolation steadiness of curb plate 6 has effectively been strengthened.

The working principle is as follows: can effectively install and dismantle curb plate 6 and bottom plate 2 through setting up bottom plate recess 7 and curb plate arch 5, the change of overall structure has been made things convenient for, and the structure of bottom plate recess 7 sets up to "protruding" style of calligraphy structure, the steadiness that curb plate 6 and bottom plate 2 are connected has effectively been strengthened, 2 tops of bottom plate are provided with bottom plate clearance 3 and guide hole 8 simultaneously, effectively promoted dredging of the foreign matter that enters into in bottom plate 2, the inside cleanliness of bottom plate 2 has been ensured, and the outer end structure of two curb plates 6 is the arc structure, the isolation steadiness of curb plate 6 has effectively been strengthened.

Example 2

A guard plate for a fuel cell is provided, in order to collect and concentrate foreign matters conveniently, as shown in fig. 3, L-shaped grooves are formed in the outer walls of the two sides of the bottom of a bottom plate 2, clamping grooves 9 are formed in the inner walls of the two sides of the top of the two L-shaped grooves, a wedge-shaped bulge 10 is arranged on the inner wall of one side of each L-shaped groove, the inner walls of the bottoms of the two clamping grooves 9 are clamped with a same collecting tank 1, conical clamping bulges 11 are welded on the outer walls of the four corners of the tops of the two collecting tanks 1, each conical clamping bulge 11 is matched with each clamping groove 9, wedge-shaped grooves 12 are formed in the outer walls of the two sides of the top of the collecting tank 1, and each wedge-shaped groove 12 is matched with each wedge-shaped bulge 10; through the protruding 11 joints of toper type card with collecting vat 1 top four corners in the draw-in groove 9 of the L type inslot of bottom plate 2 for bottom plate 2 can be hugged closely to collecting vat 1, the installation and the dismantlement of collecting vat 1 have not only been made things convenient for, be convenient for moreover accept the foreign matter in bottom plate 2, the practicality of integrated device has been improved, and simultaneously, through protruding 10 joints of wedge on two L type inslot walls in the wedge groove 12 of collecting vat 1 both sides, effectively promoted being connected between collecting vat 1 and the bottom plate 2, the steadiness between collecting vat 1 and the bottom plate 2 has been improved.

The working principle is as follows: through the protruding 11 joints of toper type card with collecting vat 1 top four corners in the draw-in groove 9 of the L type inslot of bottom plate 2 to through with the protruding 10 joints of wedge on two L type inslot walls in the wedge groove 12 of collecting vat 1 both sides, effectively promoted being connected between collecting vat 1 and the bottom plate 2.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a backplate for fuel cell, includes bottom plate (2), its characterized in that, bottom plate recess (7) have been opened respectively to the both sides outer wall of bottom plate (2), the top outer wall of bottom plate (2) is opened has bottom plate clearance (3) that the equidistance distributes, and is provided with bottom plate arch (4) between per two bottom plate clearance (3), sliding connection has curb plate (6) respectively for two bottom plate recess (7) inner walls, one side outer wall that two curb plate (6) are close to two bottom plate recess (7) all is provided with curb plate arch (5), every bottom plate recess (7) and curb plate arch (5) looks adaptation.

2. The sheathing for a fuel cell according to claim 1, characterized in that the structure of the bottom plate groove (7) is a "convex" type structure and the opposite ends of each side plate (6) are arc-shaped structures.

3. The sheathing for a fuel cell according to claim 1, characterized in that the bottom inner wall of each of the floor gaps (3) is provided with a guide hole (8).

4. The sheathing for a fuel cell according to claim 1, wherein L-shaped grooves are formed in the outer walls of the two sides of the bottom plate (2), clamping grooves (9) are formed in the inner walls of the two sides of the top of the two L-shaped grooves, and a wedge-shaped protrusion (10) is arranged on the inner wall of one side of each L-shaped groove.

5. The guard plate for the fuel cell according to claim 4, wherein the bottom inner walls of the two clamping grooves (9) are clamped with the same collecting groove (1), the outer walls of four corners of the top of the two collecting grooves (1) are welded with conical clamping protrusions (11), and the outer walls of two sides of the top of the collecting groove (1) are provided with wedge-shaped grooves (12).

6. The sheathing for a fuel cell according to claim 5, characterized in that each of said tapered catching projections (11) and each catching groove (9) are fitted to each other, and each of said tapered grooves (12) and each of said tapered projections (10) are fitted to each other.