CN217768447U

CN217768447U - Fuel cell end plate outlet connecting structure

Info

Publication number: CN217768447U
Application number: CN202221027914.3U
Authority: CN
Inventors: 麦建明
Original assignee: Shanghai H Rise New Energy Technology Co Ltd
Current assignee: Shanghai H Rise New Energy Technology Co Ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-11-08
Anticipated expiration: 2032-04-28

Abstract

The utility model relates to a fuel cell end plate exit linkage, including end plate and joint pipe, be equipped with the outlet hole that is used for the attach fitting pipe on the end plate, a serial communication port, exit linkage still includes annular chimb and annular lock ring spare, the annular chimb sets up in the one end edge of outlet hole, the one end of joint pipe is nested and the joint is in annular chimb outer lane, annular lock ring spare cup joints outside the joint pipe, makes the one end centre gripping of joint pipe between annular chimb outer wall and annular lock ring spare inner wall. Compared with the prior art, the utility model has the advantages of the mounting means is simple, and connection structure is firm stable.

Description

Fuel cell end plate outlet connecting structure

Technical Field

The utility model belongs to the technical field of fuel cell and specifically relates to a fuel cell end plate exit linkage is related to.

Background

The end plates of the fuel cell are arranged at two sides of the reactor core, and are provided with various outlet holes for water inlet, water outlet, air inlet and air outlet, and the outlet holes are used for butting with external joint pipes. The existing butt joint mode is usually that a joint pipe is directly inserted into an outlet hole, so that the sealing performance and the connection strength of a joint are low, and the joint is easy to fall off. To overcome this problem, the conventional joint pipe and outlet hole are also provided with a docking mechanism having a complicated structure for interconnection, but are liable to cause inconvenience in installation operation and are not easily replaced and maintained.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fuel cell end plate exit linkage structure in order to overcome the defect that above-mentioned prior art exists, improve connection stability and operation convenience.

The purpose of the utility model can be realized through the following technical scheme:

the utility model provides a fuel cell end plate exit linkage, includes end plate and adapter tube, be equipped with the exit hole that is used for the attach fitting pipe on the end plate, its characterized in that, exit linkage still includes annular chimb and annular lock and cramps the piece, the annular chimb sets up in the one end edge of exit hole, the one end of adapter tube is nested and the joint is in annular chimb outer lane, annular lock cramps the piece and cup joints outside the adapter tube, makes the one end centre gripping of adapter tube between annular chimb outer wall and annular lock cramps a piece inner wall.

Optionally, the annular flange and the end plate are of a unitary structure.

Optionally, the joint pipe further comprises a cladding material layer, the cladding material layer wraps the annular convex edge, the inner wall of the outlet hole and the edge of the end plate at the other end of the outlet hole, and a protrusion is formed on the cladding material layer on the outer side of the annular convex edge and used for abutting against a tabling groove in the inner wall of one end of the joint pipe.

Optionally, annular chimb and end plate are split type structure, be equipped with one in the exit hole and connect in its interference fit's spacing pipe, the one end of spacing pipe stretches out from the exit hole and forms annular chimb.

Optionally, the other end of the limiting pipe is provided with a baffle, and the baffle is attached to one side end face of the end plate.

Optionally, the limiting pipe is externally wrapped by a coating material layer, and the coating material layer forms a protruding portion on the outer side of the annular convex edge and is used for abutting against a fitting groove in the inner wall of one end of the joint pipe.

Optionally, annular chimb and end plate are split type structure, the annular chimb is connected with a tubular member, the one end of tubular member is equipped with the limiting plate, and the tubular member passes the exit hole and makes the edge of exit hole fix between annular chimb and limiting plate.

Optionally, the inner wall of the annular gripping member is provided with a pattern for increasing the friction between the annular gripping member and the coupling pipe.

Optionally, the annular clinch member is fixed to the end plate by bolts.

Optionally, the coating material layer is an injection molding plastic layer, a light curing resin layer, a synthetic rubber layer or a ceramic layer. .

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses designed annular chimb and annular lock ring spare in exit hole department, through the one end of annular chimb block joint pipe, then adopt annular lock ring spare to ensure fixedly, the mounting means is simple, and connection structure is firm stable.

2. The annular convex edge and the outlet hole can be provided with the coating material layer, so that the bulge for clamping is arranged on the coating material layer, the structure is ensured to be wear-resistant and good in toughness, and the corrosion resistance of the joint can be obviously improved.

3. The annular convex edge and the end plate are of a split structure, the manufacturing process difficulty is reduced, the annular convex edge and the end plate can be replaced after being damaged, and the flexibility is good.

4. The inner wall of the annular clamping piece is provided with patterns, so that the friction force between the annular clamping piece and the joint pipe is improved, and the connection strength is improved.

5. The annular clamping piece and the end plate are connected through the bolts, and the connection strength is further improved.

Drawings

Fig. 1 is a schematic structural diagram of the first embodiment.

Fig. 2 is a schematic structural diagram of the second embodiment.

Fig. 3 is a schematic structural diagram of the third embodiment.

Reference numerals: 1. the pipe joint comprises an end plate, 101, an outlet hole, 2, a joint pipe, 3, an annular flange, 4, an annular clamping piece, 5, a coating material layer, 6, an end plate edge, 7, a protruding portion, 8, a tabling groove, 9, a limiting pipe, 10, a baffle plate, 11, a tubular piece, 12, a limiting plate, 13 and a bolt.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

Example one

As shown in fig. 1, the present embodiment provides a fuel cell end plate outlet connection structure including an end plate 1 and a joint pipe 2, and an outlet hole 101 for connecting the joint pipe 2 is provided on the end plate 1. The outlet connection further comprises an annular flange 3 and an annular clamping member 4, the annular flange 3 is arranged at one end edge of the outlet hole 101, and the annular flange 3 and the end plate 1 are of an integral structure. One end of the joint pipe 2 is nested and clamped on the outer ring of the annular convex edge 3, so that the joint pipe 2 can be butted with the outlet hole 101. The annular clamping member 4 is sleeved outside the joint pipe 2, so that one end of the joint pipe 2 is clamped between the outer wall of the annular convex edge 3 and the inner wall of the annular clamping member 4.

In this embodiment, the outlet connection structure further comprises a covering material layer 5, wherein the covering material layer 5 covers the annular flange 3, the inner wall of the outlet hole 101, and the end plate edge 6 at one end of the outlet hole 101. The coating material layer 5 forms a convex part 7 on the outer side of the annular convex edge 3, an embedding groove 8 is formed in the inner wall of one end of the butt joint pipe 2, and the convex part 7 and the embedding groove 8 mutually form a clamping structure. The coating material layer 5 can be made of common wear-resistant materials, such as injection molding plastic layers, light-cured resin layers, synthetic rubber layers or ceramic layers, and has insulation property and certain mechanical strength. Injection molded plastic layers are preferred in this embodiment. The coating material layer 5 ensures that the structure is wear-resistant and has good toughness, and the corrosion resistance of the joint can be obviously improved. In this embodiment, in order to reduce the flow resistance of the fluid transition between the adapter tube 2 and the outlet hole 101, the covering material layer 5 may be designed as a slope (not shown) to achieve a gradual change of the cross-sectional area of the fluid passage. The annular flange 3 in the covering material layer 5 can also be designed with a corresponding bevel.

In this embodiment, the inner wall of the annular clamping member 4 is provided with patterns for improving the friction between the annular clamping member 4 and the joint pipe 2, and for improving the connection strength between the annular clamping member and the joint pipe 2. The annular clamping piece 4 is also provided with a through hole, and the annular clamping piece 4 can be fixed on the end plate 1 through the through hole by using a bolt 13, so that the connection strength is further improved.

Example two

As shown in fig. 2, the present embodiment provides a fuel cell end plate outlet connection structure including an end plate 1 and a joint pipe 2, and an outlet hole 101 for connecting the joint pipe 2 is provided on the end plate 1. The outlet connection structure further comprises an annular flange 3 and an annular clamping member 4, the annular flange 3 is arranged at one end edge of the outlet hole 101, and the annular flange 3 and the end plate 1 are of a split structure. Specifically, a limiting pipe 9 is arranged in the outlet hole 101 and connected with the outlet hole in an interference fit mode, and one end of the limiting pipe 9 extends out of the outlet hole 101 to form the annular convex edge 3. One end of the joint pipe 2 is nested and clamped on the outer ring of the annular convex edge 3, so that the joint pipe 2 can be butted with the outlet hole 101. The annular clamping member 4 is sleeved outside the joint pipe 2, so that one end of the joint pipe 2 is clamped between the outer wall of the annular convex edge 3 and the inner wall of the annular clamping member 4.

In this embodiment, the lower end of the limiting tube 9 is provided with a baffle 10, and the baffle 10 is used for fitting one side end face of the end plate 1, so that the limiting tube 9 can be smoothly positioned after being installed in the outlet hole 101.

In this embodiment, the outside of spacing pipe 9 adopts cladding material layer 5 parcel, and cladding material layer 5 forms the arch in the outside of annular chimb 3 for the gomphosis groove 8 of butt joint pipe 2 one end inner wall. The coating material layer 5 forms a convex part 7 on the outer side of the annular convex edge 3, an embedded groove 8 is formed in the inner wall of one end of the butt joint pipe 2, and the convex part 7 and the embedded groove 8 form a clamping structure mutually. The coating material layer 5 can be made of common wear-resistant materials, such as injection molding plastic layers, light-cured resin layers, synthetic rubber layers or ceramic layers, and has insulation property and certain mechanical strength. Injection molded plastic layers are preferred in this embodiment. The coating material layer 5 ensures that the structure is wear-resistant and has good toughness, and the corrosion resistance of the joint can be obviously improved.

In this embodiment, the inner wall of the annular clamping member 4 is provided with patterns for improving the friction between the annular clamping member 4 and the joint pipe 2, and for improving the connection strength between the annular clamping member and the joint pipe 2. The annular clamping member 4 is also provided with a through hole, and the annular clamping member 4 can be fixed on the end plate 1 through the through hole by using a bolt 13, so that the connection strength is further improved.

EXAMPLE III

As shown in fig. 3, the present embodiment provides a fuel cell end plate outlet connection structure including an end plate 1 and a joint pipe 2, and an outlet hole 101 for connecting the joint pipe 2 is provided on the end plate 1. The outlet connection structure further comprises an annular flange 3 and an annular clamping member 4, the annular flange 3 is arranged at one end edge of the outlet hole 101, and the annular flange 3 and the end plate 1 are of a split structure. In particular, the annular flange 3 is associated with a tubular element 11, one end of the tubular element 11 being provided with a limit plate 12, the tubular element 11 passing through the outlet hole 101 so that the edge of the outlet hole 101 is fixed between the annular flange 3 and the limit plate 12. This configuration allows the annular rim 3 to be secured to the outlet opening 101. One end of the joint pipe 2 is nested and clamped on the outer ring of the annular convex edge 3, so that the joint pipe 2 can be butted with the outlet hole 101. The annular clamping piece 4 is sleeved outside the joint pipe 2, so that one end of the joint pipe 2 is clamped between the outer wall of the annular convex edge 3 and the inner wall of the annular clamping piece 4.

In this embodiment, the top of the annular flange 3 is covered by the covering material layer 5, and the tubular member 11 and the limiting plate 12 are directly formed by the covering material layer 5. The coating material layer 5 forms a bulge on the outer side of the annular convex edge 3 and is used for butting a tabling groove 8 on the inner wall of one end of the joint pipe 2. The coating material layer 5 forms a convex part 7 on the outer side of the annular convex edge 3, an embedding groove 8 is formed in the inner wall of one end of the butt joint pipe 2, and the convex part 7 and the embedding groove 8 mutually form a clamping structure. The coating material layer 5 can be made of common wear-resistant materials, such as injection molding plastic layers, light-cured resin layers, synthetic rubber layers or ceramic layers, and has insulation property and certain mechanical strength. In this embodiment, an injection molded plastic layer is preferred. The coating material layer 5 ensures that the structure is wear-resistant and has good toughness, and the corrosion resistance of the joint can be obviously improved.

In this embodiment, the annular clamping member 4 is further provided with a through hole, and the annular clamping member 4 can be fixed on the end plate 1 by using the bolt 13 through the through hole, so that the connection strength is further improved.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the principles of this invention without the use of inventive faculty. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides a fuel cell end plate exit linkage, includes end plate (1) and adapter tube (2), be equipped with outlet hole (101) that are used for attach fitting pipe (2) on end plate (1), its characterized in that, exit linkage still includes annular chimb (3) and annular tightening piece (4), annular chimb (3) set up in the one end edge of outlet hole (101), the one end of adapter tube (2) is nested and the joint is in annular chimb (3) outer lane, annular tightening piece (4) cup joint outside adapter tube (2), makes the one end centre gripping of adapter tube (2) between annular chimb (3) outer wall and annular tightening piece (4) inner wall.

2. A fuel cell end plate outlet connection according to claim 1, characterized in that the annular flange (3) and the end plate (1) are of one-piece construction.

3. The fuel cell end plate outlet connection structure of claim 2, further comprising a covering material layer (5), wherein the covering material layer (5) covers the annular flange (3), the inner wall of the outlet hole (101), and the end plate edge (6) at the other end of the outlet hole (101), and the covering material layer (5) forms a protrusion (7) at the outer side of the annular flange (3) for abutting against the fitting groove (8) of the inner wall at one end of the joint pipe (2).

4. The fuel cell end plate outlet connection structure of claim 1, wherein the annular flange (3) and the end plate (1) are of a split structure, a limiting pipe (9) is arranged in the outlet hole (101) and connected with the outlet hole in an interference fit mode, and one end of the limiting pipe (9) extends out of the outlet hole (101) to form the annular flange (3).

5. A fuel cell end plate outlet connection structure according to claim 4, characterized in that the other end of the limiting pipe (9) is provided with a baffle (10), and the baffle (10) is attached to one side end face of the end plate (1).

6. The fuel cell end plate outlet connection structure of claim 4, wherein the limiting pipe (9) is externally wrapped by a cladding material layer (5), and the cladding material layer (5) forms a convex part (7) on the outer side of the annular convex edge (3) and is used for abutting against a fitting groove (8) of the inner wall of one end of the joint pipe (2).

7. The fuel cell end plate outlet connection structure of claim 1, wherein the annular flange (3) and the end plate (1) are of a split structure, the annular flange (3) is connected with a tubular member (11), one end of the tubular member (11) is provided with a limiting plate (12), and the tubular member (11) penetrates through the outlet hole (101) so that the edge of the outlet hole (101) is fixed between the annular flange (3) and the limiting plate (12).

8. A fuel cell end plate outlet connection structure according to claim 1, wherein the annular band member (4) is provided on an inner wall thereof with a pattern for increasing a frictional force between the annular band member (4) and the joint pipe (2).

9. A fuel cell end plate outlet connection according to any one of claims 1 to 8, wherein the annular tightening member (4) is fixed to the end plate (1) by means of bolts (13).

10. A fuel cell end plate outlet connection according to claim 3 or 6, characterised in that the covering material layer (5) is an injection moulded plastic layer, a light cured resin layer, a synthetic rubber layer or a ceramic layer.