CN213816217U - Electric pile sealing device for hydrogen fuel cell engine - Google Patents

Abstract

The utility model discloses a galvanic pile sealing device for a hydrogen fuel cell engine, which relates to the field of galvanic pile packaging and comprises an upper box body, a lower box body and a galvanic pile body, wherein the lower inner side wall of the lower box body is connected with the galvanic pile body through a damping mechanism, a plurality of air pipes are fixedly inserted into the lower side wall of the lower box body, the upper ends of the air pipes are fixedly connected with the galvanic pile body, and two symmetrically distributed binding posts are arranged on the left side wall of the lower box body through a fixing mechanism; the fixed cover in lateral wall upper end all around of lower box has connect first annular closing plate, goes up the fixed cover of lateral wall lower extreme all around of box and has connect second annular closing plate, the lower extreme of second annular closing plate seted up with first annular closing plate assorted annular mounting groove, and first annular closing plate passes through a plurality of fixing bolt and second annular closing plate fixed connection. The utility model discloses can regulate and control the inside atmospheric pressure of device automatically, avoid the inside atmospheric pressure of device too high and lead to the device explosion, improve the safety in utilization, the people of being convenient for use.

Description

Electric pile sealing device for hydrogen fuel cell engine

Technical Field

The utility model relates to a galvanic pile encapsulation field, in particular to galvanic pile sealing device for hydrogen fuel cell engine.

Background

A hydrogen fuel cell is a power generation device that directly converts chemical energy of hydrogen and oxygen into electric energy, and its basic principle is a reverse reaction of electrolysis water, in which hydrogen and oxygen are supplied to an anode and a cathode, respectively, and after the hydrogen diffuses outward through the anode and reacts with an electrolyte, electrons are emitted to the cathode through an external load.

At present, hydrogen fuel cell engines are more and more widely used, and the galvanic pile in the hydrogen fuel cell needs to work in high temperature and sealed environment, and the galvanic pile of the hydrogen fuel cell is generally directly placed in a seal box for sealing installation, but the galvanic pile directly uses the seal box for sealing, and after the galvanic pile reacts for a long time, high temperature and high pressure can be continuously generated, when the internal air pressure of the seal box is too large, the detonation is easily generated, and the use safety is low.

Therefore, it is necessary to develop a stack sealing device for a hydrogen fuel cell engine to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a galvanic pile sealing device for hydrogen fuel cell engine to the galvanic pile of solving the hydrogen fuel cell who proposes in the above-mentioned background art places and seals up the installation in the seal box, but, directly uses the seal box to seal up, and the galvanic pile reacts the back for a long time, can continuously produce high temperature high pressure, when the inside atmospheric pressure of seal box is too big, produces the explosion easily, problem that the safety in utilization is low.

In order to achieve the above object, the utility model provides a following technical scheme: a galvanic pile sealing device for a hydrogen fuel cell engine comprises an upper box body, a lower box body and a galvanic pile body, wherein the lower inner side wall of the lower box body is connected with the galvanic pile body through a damping mechanism;

the upper end of the peripheral outer side wall of the lower box body is fixedly sleeved with a first annular sealing plate, the lower end of the peripheral outer side wall of the upper box body is fixedly sleeved with a second annular sealing plate, the lower end of the second annular sealing plate is provided with an annular mounting groove matched with the first annular sealing plate, and the first annular sealing plate is fixedly connected with the second annular sealing plate through a plurality of fixing bolts;

go up the upper end middle part of box and seted up the gas outlet, and go up the sleeve that the upper end fixedly connected with of box corresponds with the gas outlet position, telescopic inside swing joint has the piston, the upper end fixedly connected with slide bar of piston, the upper end of slide bar runs through telescopic last lateral wall and through-hole and sleeve sliding connection, the first spring of upper end fixedly connected with of piston, first spring cup joints with the slide bar activity, the venthole has all been seted up at telescopic left and right sides middle part.

Preferably, damper includes shock attenuation seat and mounting panel, the lower inside wall fixedly connected with of box and the annular plate that shock attenuation seat matches down, the upper end and the mounting panel fixed connection of shock attenuation seat, the upper end and the galvanic pile body fixed connection of mounting panel, it is a plurality of tracheal upper end all runs through shock attenuation seat and mounting panel in proper order, a plurality of second springs of lower extreme fixedly connected with of shock attenuation seat, it is a plurality of the second spring cup joints with a plurality of trachea activities respectively.

Preferably, the trachea includes first communicating pipe, bellows and second communicating pipe, first communicating pipe is pegged graft with the lower lateral wall of lower box is fixed, the upper end and the bellows fixed connection of first communicating pipe, the upper end and the second communicating pipe fixed connection of bellows, second communicating pipe and galvanic pile body fixed connection.

Preferably, the lower end of the upper box body is fixedly connected with two annular sealing gaskets at the periphery, and two annular sealing grooves matched with the annular sealing gaskets are formed at the periphery of the upper end of the lower box body.

Preferably, the fixing mechanism comprises a locking nut, the left side wall of the lower box body is provided with two round holes matched with the binding post and movably connected with the binding post, the right end of the side wall of the binding post is fixedly inserted with a fixing plate, and the left side of the side wall of the binding post is provided with threads and is in threaded connection with the locking nut.

Preferably, whistle is fixedly connected inside each of the two air outlets.

The utility model discloses a technological effect and advantage:

1. the upper box body, the lower box body, the first annular sealing plate, the second annular sealing plate, the annular mounting groove and the plurality of fixing bolts are matched with one another, so that the galvanic pile body is convenient to seal;

2. through the mutual cooperation of the shock mount, the annular plate, the mounting panel and a plurality of second springs that are equipped with, be convenient for carry out the shock attenuation buffering to the galvanic pile body.

Drawings

Fig. 1 is a schematic front sectional view of the present invention.

Fig. 2 is a schematic view of the left side structure of the present invention.

Fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. an upper box body; 2. a lower box body; 3. a stack body; 4. a binding post; 5. a first annular seal plate; 6. a second annular seal plate; 7. fixing the bolt; 8. a sleeve; 9. a piston; 10. a slide bar; 11. A first spring; 12. a shock absorbing seat; 13. mounting a plate; 14. an annular plate; 15. a second spring; 16. a first communication pipe; 17. a bellows; 18. a second communicating pipe; 19. an annular seal; 20. locking the nut; 21. a fixing plate; 22. a whistle.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a galvanic pile sealing device for hydrogen fuel cell engine as shown in fig. 1-3, including upper box 1, lower box 2 and galvanic pile body 3, the lower inside wall of lower box 2 is connected with galvanic pile body 3 through damper, the lower side wall of lower box 2 is still fixed to be inserted and is equipped with a plurality of trachea, the upper end of a plurality of tracheas all is connected with galvanic pile body 3 fixedly, a plurality of tracheas are anode intake pipe, anode outlet duct, cathode intake pipe and cathode outlet duct respectively, two symmetrically distributed terminals 4 are installed through fixed establishment to the left side wall of lower box 2, two terminals 4 divide into positive terminal and negative terminal;

meanwhile, the upper end of the peripheral outer side wall of the lower box body 2 is fixedly sleeved with a first annular sealing plate 5, the lower end of the peripheral outer side wall of the upper box body 1 is fixedly sleeved with a second annular sealing plate 6, the lower end of the second annular sealing plate 6 is provided with an annular mounting groove matched with the first annular sealing plate 5, and the first annular sealing plate 5 is fixedly connected with the second annular sealing plate 6 through a plurality of fixing bolts 7;

and, the gas outlet has been seted up at the upper end middle part of last box 1, and the upper end fixedly connected with of last box 1 and the sleeve 8 that the gas outlet position corresponds, the inside swing joint of sleeve 8 has piston 9, the upper end fixedly connected with slide bar 10 of piston 9, the upper end of slide bar 10 runs through the last lateral wall of sleeve 8 and through-hole and sleeve 8 sliding connection, the first spring 11 of upper end fixedly connected with of piston 9, first spring 11 cup joints with slide bar 10 activity, the venthole has all been seted up at the left and right sides middle part of sleeve 8.

In addition, damper includes cushion socket 12 and mounting panel 13, the lower inside wall fixedly connected with of lower box 2 and cushion socket 12 assorted annular slab 14, the upper end and the mounting panel 13 fixed connection of cushion socket 12, the upper end and the 3 fixed connection of pile body of mounting panel 13, cushion socket 12 and mounting panel 13 are all run through in proper order to a plurality of tracheal upper ends, a plurality of second springs 15 of the lower extreme fixedly connected with of cushion socket 12, a plurality of second springs 15 cup joint with a plurality of trachea activities respectively, a plurality of second springs 15 can cushion manufacturing to cushion socket 12 and mounting panel 13, thereby can cushion supporting pile body 3.

Simultaneously, the trachea includes first communicating pipe 16, bellows 17 and second communicating pipe 18, and first communicating pipe 16 is pegged graft with the lower lateral wall of lower box 2 is fixed, the upper end and bellows 17 fixed connection of first communicating pipe 16, the upper end and the second communicating pipe 18 fixed connection of bellows 17, second communicating pipe 18 and pile body 3 fixed connection, can make and stretch out and draw back each other between first communicating pipe 16 and the second communicating pipe 18 through the bellows 17 that is equipped with.

In addition, two annular sealing gaskets 19 are fixedly connected to the periphery of the lower end of the upper box body 1, two annular sealing grooves matched with the annular sealing gaskets 19 are formed in the periphery of the upper end of the lower box body 2, and therefore the sealing performance between the upper box body 1 and the lower box body 2 can be improved.

More specifically, fixed establishment includes lock nut 20, lower box 2's left side wall seted up two with terminal 4 assorted round hole and with terminal 4 swing joint, the fixed grafting of terminal 4's lateral wall right-hand member has fixed plate 21, terminal 4's lateral wall left side be equipped with the screw thread and with lock nut 20 threaded connection, be convenient for install terminal 4, and be convenient for dismantle the change.

It should be noted that, the whistle 22 is fixedly connected inside each of the two air outlet holes, so that when the air is discharged through the two air outlet holes, the whistle can make a sound, thereby giving an alarm.

The utility model discloses the theory of operation:

during the use, when the inside atmospheric pressure of device is too high, the inside gaseous piston 9 rebound that promotes of device, make piston 9 remove to the top of two ventholes, the inside gas of device outwards excretes through gas outlet and two ventholes, thereby can reduce the inside atmospheric pressure of device, when the inside atmospheric pressure of device is normal, can apply elasticity to piston 9 through first spring 11 that is equipped with, thereby make piston 9 lapse, and remove to the below of two ventholes, can close two ventholes, avoid gaseous leakage, use inside pile body 3 normal work of device, make things convenient for people to use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. A stack seal arrangement for a hydrogen fuel cell engine, characterized by: the electric pile comprises an upper box body (1), a lower box body (2) and an electric pile body (3), wherein the lower inner side wall of the lower box body (2) is connected with the electric pile body (3) through a damping mechanism, a plurality of air pipes are fixedly inserted into the lower side wall of the lower box body (2), the upper ends of the air pipes are fixedly connected with the electric pile body (3), and two symmetrically distributed binding posts (4) are mounted on the left side wall of the lower box body (2) through a fixing mechanism;

the upper end of the peripheral outer side wall of the lower box body (2) is fixedly sleeved with a first annular sealing plate (5), the lower end of the peripheral outer side wall of the upper box body (1) is fixedly sleeved with a second annular sealing plate (6), the lower end of the second annular sealing plate (6) is provided with an annular mounting groove matched with the first annular sealing plate (5), and the first annular sealing plate (5) is fixedly connected with the second annular sealing plate (6) through a plurality of fixing bolts (7);

go up the upper end middle part of box (1) and seted up the gas outlet, and go up sleeve (8) that the upper end fixedly connected with of box (1) corresponds with the gas outlet position, the inside swing joint of sleeve (8) has piston (9), the upper end fixedly connected with slide bar (10) of piston (9), the upper end of slide bar (10) runs through the last lateral wall of sleeve (8) and through-hole and sleeve (8) sliding connection, the first spring (11) of upper end fixedly connected with of piston (9), first spring (11) cup joint with slide bar (10) activity, the venthole has all been seted up at the left and right sides middle part of sleeve (8).

2. The stack sealing device for a hydrogen fuel cell engine according to claim 1, characterized in that: damper includes shock absorber seat (12) and mounting panel (13), the lower inside wall fixedly connected with and shock absorber seat (12) assorted annular slab (14) of box (2) down, the upper end and mounting panel (13) fixed connection of shock absorber seat (12), the upper end and pile body (3) fixed connection of mounting panel (13) are a plurality of tracheal upper end all runs through shock absorber seat (12) and mounting panel (13) in proper order, a plurality of second spring (15) of lower extreme fixedly connected with of shock absorber seat (12), it is a plurality of second spring (15) cup joint with a plurality of trachea activities respectively.

3. The stack sealing device for a hydrogen fuel cell engine according to claim 1, characterized in that: the trachea includes first communicating pipe (16), bellows (17) and second communicating pipe (18), first communicating pipe (16) is pegged graft with the lower lateral wall of lower box (2) is fixed, the upper end and bellows (17) fixed connection of first communicating pipe (16), the upper end and the second of bellows (17) communicating pipe (18) fixed connection, second communicating pipe (18) and galvanic pile body (3) fixed connection.

4. The stack sealing device for a hydrogen fuel cell engine according to claim 1, characterized in that: go up two annular sealing gaskets (19) of border fixedly connected with around the lower extreme of box (1), two and annular sealing gasket (19) assorted annular seal grooves have been seted up along border around the upper end of lower box (2).

5. The stack sealing device for a hydrogen fuel cell engine according to claim 1, characterized in that: the fixing mechanism comprises a locking nut (20), the left side wall of the lower box body (2) is provided with two round holes matched with the binding posts (4) and movably connected with the binding posts (4), the right ends of the side walls of the binding posts (4) are fixedly inserted with fixing plates (21), and the left side of the side wall of the binding posts (4) is provided with threads and is in threaded connection with the locking nut (20).

6. The stack sealing device for a hydrogen fuel cell engine according to claim 1, characterized in that: the inside of the two air outlets is fixedly connected with a whistle (22).

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