CN111942734B - Fuel cell seal box and assembling method - Google Patents
Fuel cell seal box and assembling method Download PDFInfo
- Publication number
- CN111942734B CN111942734B CN201910414094.XA CN201910414094A CN111942734B CN 111942734 B CN111942734 B CN 111942734B CN 201910414094 A CN201910414094 A CN 201910414094A CN 111942734 B CN111942734 B CN 111942734B
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- side plates
- seal
- bottom plate
- fuel cell
- cover plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
- B65D53/02—Collars or rings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D7/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal
- B65D7/02—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by shape
- B65D7/06—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by shape of polygonal cross-section, e.g. tins, boxes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D7/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal
- B65D7/12—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by wall construction or by connections between walls
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fuel Cell (AREA)
Abstract
The invention provides a fuel cell seal box, which comprises a box body, wherein the box body is formed by enclosing a bottom plate, a cover plate and a plurality of side plates, sealing components which can be partially or completely connected into a whole are arranged at the joints of the bottom plate, the cover plate and the side plates and among the side plates, so that the joints of the cover plate, the bottom plate and the side plates are hermetically connected and fixed through fasteners, and a closed space is formed inside the box body; the invention also provides an assembling method of the fuel cell sealing box; the invention has simple structure, easy production, low cost, convenient assembly and disassembly and excellent sealing effect, can effectively protect the fuel cell from external interference and ensures the safety of the working environment of the fuel cell.
Description
Technical Field
The invention belongs to the technical field of fuel cells, and particularly relates to a fuel cell seal box and an assembling method.
Background
In recent years, new energy vehicles have been rapidly developed, and fuel cells are key components of new energy vehicles, and in order to improve the operating stability of fuel cells and the safety of the whole system, fuel cells are generally made into a sealed structure, and the fuel cells are packaged in a box body. Therefore, the effect of isolating the fuel cell from the outside can be achieved, the working reliability of the fuel cell is improved, the insulation protection can be improved, and a sharp object is prevented from touching the electrified body of the fuel cell.
At present, the fuel cell is packaged by adopting a metal box body which has higher strength and is easy to process. The box body is generally formed by aluminum alloy casting or aluminum alloy machining, but the scheme has high manufacturing cost and great environmental pollution. Most of the assembled box bodies are assembled by adopting a welding process, but the precision of the manufactured box bodies cannot meet the requirement of a fuel cell engine. The integral machining and forming process of the box body has very strict requirements on equipment, is difficult to machine particularly for a system with a complex structure, such as a fuel cell, and has the problem of higher cost, thus being not beneficial to large-scale production.
Disclosure of Invention
In order to overcome the problems in the prior art, the present invention provides a fuel cell sealing box and an assembling method thereof, which can effectively seal and isolate the fuel cell, ensure the safe working environment of the fuel cell, and can be produced in large batch.
The technical scheme adopted by the invention is to provide a fuel cell seal box, which comprises a box body, wherein the box body is formed by enclosing a bottom plate, a cover plate and a plurality of side plates, sealing components which can be partially or completely connected into a whole are arranged at the joints of the bottom plate, the cover plate and the side plates and among the side plates, so that the joints of the cover plate, the bottom plate and the side plates are hermetically connected and fixed through fasteners, and a closed space is formed inside the box body.
Furthermore, the sealing assembly is a flexible sealing ring or a flexible sealing strip which is arranged at the joint of the cover plate, the bottom plate, the upper end and the lower end of each side plate and each side plate, the flexible sealing rings or the flexible sealing strips are connected with each other in a heat setting mode to form a whole, and each flexible sealing ring or the flexible sealing strip is extruded when the cover plate, the bottom plate, the upper end and the lower end of each side plate and each side plate are connected, so that a closed space is formed inside the box body.
Furthermore, the sealing assembly is a first sealing assembly formed by combining and connecting flexible sealing rings or flexible sealing strips arranged around the periphery of the cover plate and at two sides of any one side plate, and a second integral sealing assembly formed by combining and connecting two sides and the top of the other three side plates around the periphery of the bottom plate, the flexible sealing rings or the flexible sealing strips of the first sealing assembly and the second sealing assembly are connected with each other in a heat setting mode to form an integral body, and the cover plate, the bottom plate, the upper ends and the lower ends of the side plates and the side plates are extruded to be tightly attached to each other when being connected.
Further, the fastener adopts screw, draw-in groove or buckle.
Furthermore, the sealing strip or the sealing ring is made of rubber materials or special silica gel resin flexible materials.
Furthermore, the sealing strip or the sealing ring is formed by processing through a dispensing process or a vulcanizing process and then performing heat setting.
A method for assembling a fuel cell seal case, which uses the fuel cell seal case, the method comprising the steps of:
connecting the bottom plate, the connecting part of the cover plate and each side plate and part or all of the sealing rings or sealing strips among the side plates into an integral sealing assembly in a heat setting mode;
the bottom plate, the lower ends of the side plates and the side plates are spliced with each other respectively, the integral sealing assembly is arranged at the joint of the bottom plate and the side plates, and after a cylindrical structure is formed by enclosure, the joint is fixed by a fastener;
and arranging the fuel cells on the bottom plate, fixing the cover plate at the upper end of each side plate, and fixing the cover plate by using a fastening piece to form a sealed and fastened box body.
A method for assembling a fuel cell seal case, using the above fuel cell seal case, the method further comprising the steps of:
the periphery of the cover plate and the flexible sealing rings or flexible sealing strips on two sides of any one side plate are combined and connected to form a first sealing assembly, and then the cover plate and the side plate are reinforced and connected through a fastener to form a 7-shaped right-angle surface structure;
then the flexible sealing rings or flexible sealing strips surrounding the periphery of the bottom plate and the two sides and the tops of other side plates are combined and connected to form a second integral sealing assembly, and other side plates are connected and reinforced by fasteners to form a C-shaped structure;
and finally arranging the fuel cells on the bottom plate, connecting the flexible sealing rings or flexible sealing strips of the first sealing assembly and the second sealing assembly into a whole in a heat setting mode, then connecting and reinforcing the formed 7-shaped right-angle surface structure, the formed C-shaped structure and the bottom plate by using fasteners, so that the flexible sealing rings or flexible sealing strips are extruded to be tightly attached to each other when the cover plate, the bottom plate, the upper ends and the lower ends of the side plates and the side plates are connected, and finally assembling to form a sealed and fastened box body.
Compared with the prior art, the connecting parts among the cover plate, the bottom plate and the side plates are tightly attached by adopting the flexible sealing rings or sealing strips with the integral structures, and meanwhile, the connecting parts are fixedly connected by using the fasteners, so that no gap exists in sealing, a sealed and firm space is formed in the box body, the sealing reliability of the box body can be effectively ensured even in severe environments such as transportation, use and strong vibration, and the fuel cell arranged in the box body is effectively protected. Moreover, the flexible sealing ring or the flexible sealing strip is of an integral structure, so that the box body is simple to assemble, and the difficulty in assembling the box body and the battery can be reduced. The invention has simple and easy structure, low cost, easy mass production, convenient assembly and disassembly, high environmental protection performance and excellent sealing effect, can effectively protect the fuel cell from external interference and ensures the safety of the working environment of the fuel cell.
Drawings
FIG. 1 is an exploded view of a fuel cell sealing case according to example 1 of the present invention;
FIG. 2 is an assembly structural view of a fuel cell sealing case according to embodiment 2 of the present invention;
fig. 3 is an exploded view of a fuel cell sealing case according to embodiment 3 of the present invention;
FIG. 4 is an assembly structural view of a fuel cell sealing case according to embodiment 3 of the present invention;
fig. 5 is an exploded view of a fuel cell sealing case according to embodiment 4 of the present invention;
FIG. 6 is an assembly structural view of a fuel cell sealing case according to embodiment 4 of the present invention;
in the figure: 1 is a bottom plate, 2 is a cover plate, 3 is a side plate, 4 is a sealing component, 41 is a first sealing component, and 42 is a second sealing component.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the structure, apron 2, the junction adopts part or overall structure's seal assembly 4 to laminate closely between bottom plate 1 and each curb plate 3, each junction carries out fixed connection with the fastener simultaneously, seal assembly 4's extrusion deformation when assembling, can make each junction of whole box do not have any gap, make the interior airtight firm space that forms of box, even in the transportation, the sealed reliability of box can both effectively be guaranteed under adverse circumstances such as use and strong vibrations, external environment has been avoided fuel cell's in the box, thereby the effectual fuel cell who installs in the box the inside has been protected. Meanwhile, the flexible sealing ring or the flexible sealing strip is of an integral structure, so that the assembly of the box body is greatly simplified, and the difficulty in assembling the box body and the battery can be reduced. The invention has the advantages of low cost, easy mass production, convenient assembly and disassembly, high environmental protection performance and excellent sealing effect, can effectively protect the fuel cell from external interference, and ensures the safety of the working environment of the fuel cell.
In the specific structure of the invention, the sealing component 4 can be flexible sealing rings or flexible sealing strips arranged at the joints of the cover plate 2, the bottom plate 1, the upper ends and the lower ends of the side plates 3 and the side plates 3, the flexible sealing rings or the flexible sealing strips are connected with each other in a heat setting mode to form a whole, and the flexible sealing rings or the flexible sealing strips are extruded when the cover plate 2, the bottom plate 1, the upper ends and the lower ends of the side plates 3 and the side plates 3 are connected to form a closed space in the box body.
In another specific structure of the invention, the sealing components are a first sealing component 41 formed by combining and connecting flexible sealing rings or flexible sealing strips arranged around the periphery of the cover plate 2 and two sides of any one side plate 3, and a second integral sealing component 42 formed by combining and connecting two sides and the top of the other three side plates 3 around the periphery of the bottom plate 1, wherein the flexible sealing rings or flexible sealing strips of the first sealing component 41 and the second sealing component 42 are connected with each other in a heat setting mode to form an integral body, and are extruded to be tightly attached to each other when the cover plate 2, the bottom plate 1, the upper and lower ends of each side plate 3 and each side plate 3 are connected.
The fasteners adopt screws, clamping grooves or buckles, so that the connection parts of the cover plate 2, the bottom plate 1 and the side plates 3 can be tightly connected.
The sealing strip or the sealing ring is made of rubber materials or special silica gel resin flexible materials, and is formed by processing the sealing strip or the sealing ring through a glue dispensing process or a vulcanization process and then heating and shaping.
the box body comprises a rectangular bottom plate 1, a cover plate 2 and four side plates 3, wherein the rectangular bottom plate 1 and the cover plate 2 are the same in size, and the connection parts of the bottom plate 1, the cover plate 2 and the side plates 3 and part or all of sealing rings or sealing strips among the side plates 3 are connected into an integral sealing assembly 4 in a heat setting mode;
the bottom plate 1 and the lower ends of the side plates 3 and the side plates 3 are spliced with each other respectively, an integral sealing assembly is arranged at the joint of the bottom plate 1 and each side plate 3, and after a cylindrical structure is formed by enclosure, each joint is fixed by a fastener;
then arranging the fuel cells on the bottom plate 1, fixing the cover plate 2 on the upper end of each side plate 3, and fixing by using a fastener to form a closed and fastened box body.
as shown in fig. 2, the box body comprises a rectangular bottom plate 1, a cover plate 2 and four side plates 3, the periphery of the cover plate 2 and flexible sealing rings or flexible sealing strips on two sides of any one of the side plates 3 are combined and connected to form a first sealing assembly 41 with a 7-shaped right-angle surface structure, and then the cover plate 2 and the side plates 3 are reinforced and connected by fasteners to form the 7-shaped right-angle surface structure;
then, flexible sealing rings or flexible sealing strips surrounding the periphery of the bottom plate 1 and the two sides and the top of the other three side plates 3 are combined and connected to form a second integral sealing assembly 42 with a C-shaped structure, and the other side plates 3 are connected and reinforced by fasteners to form the C-shaped structure;
finally, arranging the fuel cells on the bottom plate 1, connecting the flexible sealing rings or flexible sealing strips of the first sealing assembly 41 and the second sealing assembly 42 with each other in a heat setting mode to form an integral sealing assembly 4, then connecting and reinforcing the cover plate 2 and the side plate 3 to form a 7-shaped right-angle surface structure, the other three side plates 3 to form a C-shaped structure and the bottom plate 1 by fasteners, and when the cover plate 2, the bottom plate 1, the upper end and the lower end of each side plate 3 and each side plate 3 are connected, extruding the flexible sealing rings or flexible sealing strips of the sealing assemblies 4 to be tightly attached to each other, finally assembling to form a sealed and fastened box body.
connecting the bottom plate 1, the connecting parts of the cover plate 2 and the side plates 3 and part or all of the sealing rings or sealing strips among the side plates 3 into an integral sealing assembly 4 in a heat setting mode;
the bottom plate 1 and the lower ends of the six side plates 3 and the side plates 3 are spliced with each other, the integral sealing assembly 4 is arranged at the joint of the bottom plate 1 and each side plate 3, and after the cylindrical structure is formed by enclosing, each joint is fixed by a fastener;
and arranging the fuel cells on the bottom plate 1, fixing the cover plate 2 at the upper end of each side plate 3 by using a fastener to form a closed and fastened box body, ensuring uniform gaps at each joint and no structural deviation, and simultaneously avoiding the stress, bending deformation and damage of a flexible sealing strip or a sealing ring to weaken the sealing property.
then, flexible sealing rings or flexible sealing strips surrounding the periphery of the bottom plate 1 and the two sides and the tops of the other five side plates 3 are combined and connected to form a second integral sealing assembly 42 with a C-shaped structure, and the other side plates 3 are connected and reinforced by fasteners to form the C-shaped structure;
finally, arranging the fuel cells on the bottom plate 1, connecting the flexible sealing rings or flexible sealing strips of the first sealing assembly 41 and the second sealing assembly 42 with each other in a heat setting mode to form an integral sealing assembly 4, then connecting and reinforcing the cover plate 2 and the side plate 3 to form a 7-shaped right-angle surface structure, the other five side plates 3 to form a C-shaped structure and the bottom plate 1 by fasteners, and when the cover plate 2, the bottom plate 1, the upper end and the lower end of each side plate 3 and each side plate 3 are connected, the flexible sealing rings or flexible sealing strips of the sealing assemblies 4 are extruded to be tightly attached to each other, and finally assembling to form a sealed and fastened box body.
Compared with the prior art, the fuel cell sealing structure has the advantages of simple and easy structure, low cost, easy mass production, convenient assembly and disassembly, excellent sealing effect, capability of effectively protecting the fuel cell from external interference and guarantee of the safe working environment of the fuel cell.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A fuel cell seal box comprises a box body, wherein the box body is formed by enclosing a bottom plate, a cover plate and a plurality of side plates, and is characterized in that the bottom plate, the joints of the cover plate and the side plates and the joints of the side plates are provided with seal assemblies which can be partially or completely connected into a whole, the joints of the cover plate, the bottom plate and the side plates are connected in a sealing way through the seal assemblies and are fixed through fasteners, a closed space is formed inside the box body, the seal assemblies are first seal assemblies formed by combining and connecting flexible seal rings or flexible seal strips which are arranged around the periphery of the cover plate and any one of two sides of the side plates in a surrounding way, and second integral seal assemblies formed by combining and connecting two sides and the top of the other side plates in a surrounding way, and the flexible seal rings or the flexible seal strips of the first seal assemblies and the second seal assemblies are connected with each other in a heat setting way And the cover plate, the bottom plate, the upper end and the lower end of each side plate and the side plates are extruded to be tightly attached to each other when being connected.
2. The fuel cell seal box of claim 1, wherein the seal assembly is a flexible seal ring or a flexible seal strip disposed at the connection between the cover plate, the bottom plate, the upper and lower ends of each side plate, and the flexible seal rings or the flexible seal strips are connected to each other by heat setting to form a whole, and each flexible seal ring or the flexible seal strip is pressed when the cover plate, the bottom plate, the upper and lower ends of each side plate, and each side plate are connected to each other to form a closed space inside the box body.
3. The fuel cell seal box of claim 1, wherein said fasteners are screws, slots or snaps.
4. The fuel cell seal box of any one of claims 1 to 3, wherein the seal strip or the seal ring is made of a rubber-like material or a special silicone resin-like flexible material.
5. The fuel cell seal box of claim 4, wherein the seal strip or the seal ring is formed by heat setting after being processed by a dispensing process or a vulcanizing process.
6. A method of assembling a fuel cell seal case, characterized by using a fuel cell seal case according to any one of claims 1 to 5, the method comprising the steps of:
connecting the bottom plate, the connecting parts of the cover plate and the side plates and part or all of the sealing rings or sealing strips among the side plates into an integral sealing assembly in a heat setting mode;
the bottom plate, the lower ends of the side plates and the side plates are spliced with each other respectively, the integral sealing assembly is arranged at the joint of the bottom plate and the side plates, and after a cylindrical structure is formed by enclosure, the joint is fixed by a fastener;
and arranging the fuel cells on the bottom plate, fixing the cover plate at the upper end of each side plate, and fixing the cover plate by using a fastening piece to form a sealed and fastened box body.
7. A method of assembling a fuel cell seal case, characterized by using a fuel cell seal case according to any one of claims 1 to 5, the method further comprising the steps of:
the periphery of the cover plate and the flexible sealing rings or flexible sealing strips on two sides of any one side plate are combined and connected to form a first sealing assembly in a heat setting mode, and then the cover plate and the side plate are reinforced and connected through a fastener to form a 7-shaped right-angle surface structure;
then, the flexible sealing rings or flexible sealing strips surrounding the periphery of the bottom plate and the two sides and the tops of other side plates are combined and connected in a heat setting mode to form a second integral sealing assembly, and other side plates are connected and reinforced by fasteners to form a C-shaped structure;
and finally arranging the fuel cells on the bottom plate, connecting and reinforcing the 7-shaped right-angle surface structure, the C-shaped structure and the bottom plate by using fasteners, so that when the cover plate, the bottom plate, the upper end and the lower end of each side plate and the side plates are connected, the flexible sealing rings or the flexible sealing strips are extruded to be tightly attached to each other, and finally assembling to form a sealed and fastened box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910414094.XA CN111942734B (en) | 2019-05-17 | 2019-05-17 | Fuel cell seal box and assembling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910414094.XA CN111942734B (en) | 2019-05-17 | 2019-05-17 | Fuel cell seal box and assembling method |
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| Publication Number | Publication Date |
|---|---|
| CN111942734A CN111942734A (en) | 2020-11-17 |
| CN111942734B true CN111942734B (en) | 2022-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910414094.XA Active CN111942734B (en) | 2019-05-17 | 2019-05-17 | Fuel cell seal box and assembling method |
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| CN (1) | CN111942734B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202828323U (en) * | 2012-09-19 | 2013-03-27 | 天津市铁信工贸发展有限公司 | Plywood packing box |
| CN204885234U (en) * | 2015-08-19 | 2015-12-16 | 重庆长安汽车股份有限公司 | A joint strip and car for power battery box |
| CN206125746U (en) * | 2016-10-18 | 2017-04-26 | 天津尚杉科技有限公司 | Environmental protection electron annex packing box of circulated use |
| CN207441818U (en) * | 2017-11-23 | 2018-06-01 | 浙江康迪车业有限公司 | A kind of battery of electric vehicle babinet sealing structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060040166A1 (en) * | 2004-08-18 | 2006-02-23 | Budinski Michael K | Fuel cell side plates with controlled tensile compliance |
-
2019
- 2019-05-17 CN CN201910414094.XA patent/CN111942734B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202828323U (en) * | 2012-09-19 | 2013-03-27 | 天津市铁信工贸发展有限公司 | Plywood packing box |
| CN204885234U (en) * | 2015-08-19 | 2015-12-16 | 重庆长安汽车股份有限公司 | A joint strip and car for power battery box |
| CN206125746U (en) * | 2016-10-18 | 2017-04-26 | 天津尚杉科技有限公司 | Environmental protection electron annex packing box of circulated use |
| CN207441818U (en) * | 2017-11-23 | 2018-06-01 | 浙江康迪车业有限公司 | A kind of battery of electric vehicle babinet sealing structure |
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| Publication number | Publication date |
|---|---|
| CN111942734A (en) | 2020-11-17 |
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