CN216488183U

CN216488183U - Mechanical transmission type electric pile binding assembly and fuel cell

Info

Publication number: CN216488183U
Application number: CN202122617099.8U
Authority: CN
Inventors: 邹国彦; 陈麒; 葛荣军
Original assignee: Guangdong Himalaya Hydrogen Technology Co ltd
Current assignee: Guangdong Himalaya Hydrogen Technology Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-05-10
Anticipated expiration: 2031-10-28

Abstract

The utility model discloses a mechanical transmission type electric pile binding assembly and a fuel cell, wherein the mechanical transmission type electric pile binding assembly comprises: a band provided with a rack portion; the shell is provided with a containing cavity and is connected with the ribbon; the fastening mechanism is located in the cavity, the shell is provided with a guide port communicated with the cavity, the rack portion can be detachably connected with the fastening mechanism through the guide port, and the fastening mechanism can limit the movement of the rack portion. The casing is connected with the ribbon, and the ribbon stretches into the direction mouth for rack portion on the ribbon stretches into and holds the chamber in and be connected with fastening device detachably, and fastening device restriction rack portion removes, and then makes the ribbon can the coiling tighten on external object, in order to exert fastening force to external object. When needs are dismantled, with rack portion and fastening device split, just can loosen the ribbon, conveniently dismantle, do not damage the ribbon, it is convenient to use.

Description

Mechanical transmission type electric pile binding assembly and fuel cell

Technical Field

The utility model relates to the field of fuel cells, in particular to a mechanical transmission type electric pile binding assembly and a fuel cell.

Background

Fuel cells have the advantages of no pollution, high efficiency, and high energy density, and thus have been the subject of intensive research and development. The core component of a fuel cell is a stack, and generally, a stack is formed by stacking a plurality of unit cells in a stacked manner and adding components such as collector plates and end plates, and it is necessary to apply an appropriate fastening force to the stack in order to obtain a desired power generation performance and to perform a sealing function.

In the prior art, the structure that the metal ribbon is welded and fixed on the pile applies fastening force, however, the structure cannot be disassembled, only the metal ribbon can be damaged, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a mechanical transmission type electric pile binding assembly and a fuel cell, which can conveniently detach a binding belt and enable the use to be more convenient.

According to a first aspect embodiment of the utility model, a mechanically driven stack strap assembly comprises: a band provided with a rack portion; the shell is provided with a containing cavity and is connected with the ribbon; the fastening mechanism is located hold the intracavity, the casing be provided with hold the direction mouth of chamber intercommunication, rack portion can pass through the direction mouth with fastening mechanism detachably connects, fastening mechanism can restrict rack portion removes.

The mechanical transmission type electric pile binding assembly provided by the embodiment of the utility model has at least the following beneficial effects: the casing is connected with the ribbon, and the ribbon stretches into the direction mouth for rack portion on the ribbon stretches into and holds the chamber in and be connected with fastening device detachably, and fastening device restriction rack portion removes, and then makes the ribbon can the coiling tighten on external object, in order to exert fastening force to external object. When needs are dismantled, with rack portion and fastening device split, just can loosen the ribbon, conveniently dismantle, do not damage the ribbon, it is convenient to use.

According to some embodiments of the utility model, the fastening mechanism includes a gear provided in the cavity, the gear being engageable with the rack portion, and a restricting mechanism capable of restricting rotation of the gear.

According to some embodiments of the present invention, the limiting mechanism includes a ratchet portion disposed on the gear, and an elastic member and a pawl both located in the cavity, the pawl is rotatably connected to the housing, one end of the elastic member is connected to the housing, and the other end of the elastic member is connected to the pawl to urge the pawl to abut against the ratchet portion.

According to some embodiments of the utility model, the locking device further comprises a positioning member located in the cavity, and the positioning member can abut against the pawl to limit the range of the swinging angle of the pawl.

According to some embodiments of the utility model, the positioning member is located on the same side of the pawl as the elastic member.

According to some embodiments of the utility model, the housing includes a base and a cover, the base is provided with a groove, the cover is detachably connected with the base to cover a notch of the groove to form the accommodating cavity, and the guide opening is provided in the base.

According to some embodiments of the utility model, the end of the band is provided with a guide slot, the rack portion is provided on a wall surface of the band forming the guide slot, and the gear is located in the guide slot.

According to some embodiments of the utility model, the wall of the housing forming the guide opening abuts against an outer side wall of the band.

The fuel cell according to the second aspect of the embodiment of the utility model comprises at least one group of the mechanical transmission type stack binding assemblies and a stack, wherein the cable ties are wound on the stack.

The fuel cell according to the embodiment of the utility model has at least the following beneficial effects: the ribbon coiling is on the pile, and rack portion on the ribbon is connected with fastening device detachably, and fastening device restriction rack portion removes, and then makes the ribbon can the coiling tighten on the pile, and the ribbon exerts fastening force to the pile to guarantee the sealing performance of pile, be favorable to making the electricity generation performance that improves the pile. When needs are dismantled, with rack portion and fastening device separation, just can loosen the ribbon, need not to destroy the ribbon, make the use more convenient.

According to some embodiments of the present invention, the stack includes a first end plate, a second end plate, and a plurality of cell assemblies between the first end plate and the second end plate, the first end plate is provided with a first positioning recess, the second end plate is provided with a second positioning recess, and the strap portion is located in the first positioning recess and the second positioning recess.

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 perspective view of one embodiment of a fuel cell of the present invention;

FIG. 2 is a top view of one embodiment of a fuel cell of the present invention;

FIG. 3 is a perspective view of one embodiment of a mechanically driven stack binding assembly of the present invention;

FIG. 4 is a cross-sectional view taken from below of one embodiment of a mechanically driven stack strap assembly of the present invention;

fig. 5 is a front cross-sectional view of one embodiment of a mechanically driven stack strap assembly of the present invention.

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.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if there are first and second described only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features or the precedence of the indicated technical features is implicitly indicated or implied.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

As shown in fig. 3 to 5, the mechanically driven stack strap assembly according to the embodiment of the present invention includes: a band 100 provided with a rack portion 110; the housing 200 is provided with a containing cavity 201, and the housing 200 is connected with the cable tie 100; the fastening mechanism 300 is located in the cavity 201, the housing 200 is provided with a guide port 202 communicated with the cavity 201, the rack portion 110 can be detachably connected with the fastening mechanism 300 through the guide port 202, and the fastening mechanism 300 can limit the rack portion 110 to move.

The housing 200 is connected with the cable tie 100, the cable tie 100 extends into the guide port 202, so that the rack portion 110 of the cable tie 100 extends into the cavity 201 to be detachably connected with the fastening mechanism 300, the fastening mechanism 300 limits the movement of the rack portion 110, and the cable tie 100 can be wound and fastened on an external object to apply fastening force to the external object. When needs are dismantled, with rack portion 110 and fastening device 300 split, just can loosen ribbon 100 and take off, conveniently dismantle, do not damage ribbon 100, it is convenient to use.

Referring to fig. 4 and 5, in some embodiments of the present invention, the fastening mechanism 300 includes a gear 310 disposed in the housing 201, the gear 310 being capable of engaging with the rack portion 110, and a limiting mechanism 320 capable of limiting rotation of the gear 310.

When the gear 310 is engaged with the rack 110 and the rotation of the gear 310 is restricted by the restricting mechanism 320, the movement of the rack 110 can be restricted, and the structure is simple and easy to implement.

Referring to fig. 4 and 5, in some embodiments of the present invention, the limiting mechanism 320 includes a ratchet portion 321 disposed on the gear 310, and an elastic member 322 and a pawl 323 both disposed in the cavity 201, the pawl 323 is rotatably connected to the housing 200, one end of the elastic member 322 is connected to the housing 200, and the other end of the elastic member 322 is connected to the pawl 323 to urge the pawl 323 against the ratchet portion 321.

Through the structure that the ratchet portion 321 cooperates with the pawl 323, the elastic piece 322 drives the pawl 323 to keep abutting against the ratchet portion 321, so that the gear 310 can only rotate in one direction, that is, the gear 310 can be driven to rotate when the rack portion 110 extends into the inner cavity, when the rack portion 110 has a reverse movement tendency, the pawl 323 is clamped with the ratchet portion 321 to block the gear 310 to rotate, the effect of limiting the movement of the rack portion 110 is realized, the structure is simple, and the implementation is convenient.

Referring to fig. 4 and 5, in some embodiments of the present invention, a positioning member 400 is further included in the cavity 201, and the positioning member 400 can abut against the pawl 323 to limit the swing angle range of the pawl 323.

The positioning member 400 is arranged to abut against the pawl 323 to limit the swing angle of the pawl 323, thereby preventing the pawl 323 from deviating from the angular range abutting against the ratchet portion 321, and improving the reliability.

Referring to fig. 4 and 5, in some embodiments of the present invention, the positioning member 400 is located on the same side of the pawl 323 as the elastic member 322.

The pawl 323 abuts against the positioning member 400, and at this time, the elastic member 322 is connected with the pawl 323 and is in a stretching state, that is, the elastic member 322 applies pressure to the pawl 323 to drive the pawl 323 to abut against the positioning member 400, which is beneficial to more stabilizing the position of the pawl 323.

Referring to fig. 5, in some embodiments of the present invention, the housing 200 includes a base 210 and a cover 220, the base 210 is provided with a groove, the cover 220 is detachably connected to the base 210 to cover a notch of the groove to form a cavity 201, and the guide opening 202 is provided in the base 210.

Cover 220 and base member 210 detachably are connected and are formed appearance chamber 201 to this, when needs take off ribbon 100 pine, separate cover 220 and base member 210, then separate rack portion 110 and gear 310, can dismantle ribbon 100, convenient operation, and cover 220 and base member 210 can dismantle the structure of being connected, can make the equipment operation more convenient.

Referring to fig. 3 and 4, in some embodiments of the utility model, the end of tie wrap 100 is provided with a guide slot 120, rack portion 110 is provided on the wall of tie wrap 100 forming guide slot 120, and gear 310 is located in guide slot 120.

The gear 310 is positioned in the guide groove 120, the gear 310 is engaged with the rack portion 110 on one side wall surface of the guide groove 120, and the other side wall surface of the guide groove 120 limits the gear 310 from being disengaged from the rack portion 110, so that the gear 310 is kept engaged with the rack portion 110, which is beneficial to improving the engagement stability of the gear 310 and the rack portion 110.

Referring to fig. 4, in some embodiments of the utility model, the wall of the housing 200 forming the guide opening 202 abuts the outer side wall of the twist tie 100.

When the ribbon 100 stretches into the guide opening 202, the wall surface of the guide opening 202 is abutted to the outer side wall surface of the ribbon 100, namely, the size of the guide opening 202 is matched with the sectional area of the ribbon 100, so that the ribbon 100 cannot be turned and shifted in the guide opening 202, the ribbon 100 can be more stably stretched into the guide opening 202, and the rack portion 110 and the gear 310 can be more reliably meshed.

Referring to fig. 1 and 2, a fuel cell according to an embodiment of the second aspect of the present invention includes at least one set of the above-described mechanically-driven stack binding assemblies, and further includes a stack 500, and the band 100 is wound around the stack 500.

Ribbon 100 coiling is on pile 500, and rack portion 110 and the fastening device 300 detachably on ribbon 100 are connected, and fastening device 300 restriction rack portion 110 removes, and then makes ribbon 100 can the coiling tighten on pile 500, and ribbon 100 exerts the fastening force to pile 500 to guarantee pile 500's sealing performance, be favorable to making the electricity generation performance who improves pile 500. When the cable tie 100 needs to be detached, the rack portion 110 is separated from the fastening mechanism 300, so that the cable tie 100 can be loosened without damaging the cable tie 100, and the cable tie 100 is more convenient to use.

Referring to fig. 1 and 2, in some embodiments of the present invention, a stack 500 includes a first end plate 510, a second end plate 520, and a plurality of cell assemblies 530, the plurality of cell assemblies 530 being located between the first end plate 510 and the second end plate 520, the first end plate 510 being provided with a first positioning recess 511, the second end plate 520 being provided with a second positioning recess 521, and the straps 100 being partially located in the first positioning recess 511 and the second positioning recess 521.

The tie wrap 100 is wound around the first and

second end plates

510 and 520 so that the first and

second end plates

510 and 520 compress the plurality of cell assemblies 530. Be provided with first location concave part 511 through first end plate 510 to be provided with second location concave part 521 on the second end plate 520, make the position more stable when ribbon 100 is coiled on first end plate 510 and second end plate 520, prevent that ribbon 100 skew from leading to the fastening force to weaken the scheduling problem, be favorable to improving the reliability.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The utility model is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the utility model, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims

1. Mechanical transmission formula galvanic pile binds subassembly, its characterized in that includes:

a band (100) provided with a rack portion (110);

the cable tie is characterized by comprising a shell (200) provided with a containing cavity (201), wherein the shell (200) is connected with the cable tie (100);

fastening device (300), be located hold the chamber (201), casing (200) be provided with hold guiding hole (202) of chamber (201) intercommunication, rack portion (110) can pass through guiding hole (202) with fastening device (300) detachably connects, fastening device (300) can restrict rack portion (110) remove.

2. The mechanically driven stack binding assembly of claim 1, wherein: the fastening mechanism (300) comprises a gear (310) and a limiting mechanism (320), the gear (310) is arranged in the accommodating cavity (201), the rack portion (110) can be meshed with the gear (310), and the limiting mechanism (320) can limit the gear (310) to rotate.

3. The mechanically driven stack binding assembly of claim 2, wherein: limiting mechanism (320) including set up in ratchet portion (321) on gear (310) and all be located elastic component (322) and pawl (323) hold chamber (201) in, pawl (323) with casing (200) rotate to be connected, the one end of elastic component (322) with casing (200) are connected, the other end of elastic component (322) with pawl (323) are connected in order to order pawl (323) with ratchet portion (321) looks butt.

4. The mechanically driven stack binding assembly of claim 3, wherein: the positioning device further comprises a positioning piece (400) located in the accommodating cavity (201), and the positioning piece (400) can abut against the pawl (323) to limit the swing angle range of the pawl (323).

5. The mechanically driven stack tie-down assembly of claim 4, wherein: the positioning piece (400) is positioned on the same side of the pawl (323) connected with the elastic piece (322).

6. The mechanically driven stack binding assembly of claim 1, wherein: the shell (200) comprises a base body (210) and a cover body (220), the base body (210) is provided with a groove, the cover body (220) is detachably connected with the base body (210) to shield a groove opening of the groove to form the accommodating cavity (201), and the guide opening (202) is formed in the base body (210).

7. The mechanically driven stack binding assembly of claim 2, wherein: the end of the cable tie (100) is provided with a guide groove (120), the rack portion (110) is arranged on the wall surface of the cable tie (100) forming the guide groove (120), and the gear (310) is located in the guide groove (120).

8. The mechanically driven stack binding assembly of claim 7, wherein: the wall surface of the shell (200) forming the guide opening (202) is abutted against the outer side wall surface of the cable tie (100).

9. A fuel cell, characterized by: comprising at least one set of mechanically geared stack binding assemblies according to any one of claims 1 to 8, further comprising a stack (500), the band (100) being wound around the stack (500).

10. The fuel cell according to claim 9, characterized in that: the electric pile (500) comprises a first end plate (510), a second end plate (520) and a plurality of single battery assemblies (530), wherein the single battery assemblies (530) are located between the first end plate (510) and the second end plate (520), a first positioning concave portion (511) is arranged on the first end plate (510), a second positioning concave portion (521) is arranged on the second end plate (520), and the cable tie (100) is partially located in the first positioning concave portion (511) and the second positioning concave portion (521).