CN220585262U

CN220585262U - Sealing device for production of flow battery bipolar plate

Info

Publication number: CN220585262U
Application number: CN202322120149.0U
Authority: CN
Inventors: 王涛; 张博; 王萌; 李广
Original assignee: Baoding Zhengnian Composite Material Technology Co ltd
Current assignee: Baoding Zhengnian Composite Material Technology Co ltd
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2024-03-12
Anticipated expiration: 2033-08-08

Abstract

The utility model relates to a sealing device for producing a bipolar plate of a flow battery, which comprises a sealing box, wherein clamping assemblies are fixed on the left side and the right side of the sealing box, a bipolar plate body is movably inserted into an inner cavity of the sealing box, a sealing cover is movably inserted into the top of the sealing box, clamping blocks matched with the clamping assemblies are fixed on the left side and the right side of the sealing cover, a sleeve joint frame is sleeved on the outer surfaces of the sealing cover and the two clamping assemblies, and a positioning screw penetrating into the sealing cover is connected with the top of the sleeve joint frame through threads. This sealing device is used in production of flow cell bipolar plate inserts sealed box through the bipolar plate body to with sealed lid embedding to the top of sealed box, through the cooperation effect of joint subassembly and joint piece, make the bipolar plate body sealed in the inside of sealed box, and through cup jointing the frame with whole sealing device closely cover firmly and with the set screw fixed, further improve its sealed effect, connect closely between the subassembly, sealed effectual.

Description

Sealing device for production of flow battery bipolar plate

Technical Field

The utility model relates to the technical field of battery production, in particular to a sealing device for producing a bipolar plate of a flow battery.

Background

The structure of the flow battery pile is similar to that of a proton exchange membrane fuel cell, the flow battery pile is mainly assembled in a filter press mode, the bipolar plate is one of key components assembled into the pile, the positive electrode and the negative electrode of the battery are mainly played, the positive side is contacted with the anode of a single cell, and the opposite side is contacted with the cathode of another single cell.

Because of the self-property problem, the bipolar plates need to be sealed and stored in the production of the bipolar plates, in the production process of the bipolar plates at the present stage, a high-precision liquid silicone injection machine is adopted to independently form a silicone sealing ring, and the silicone sealing ring is directly and manually stacked in a sealing groove of the bipolar plates, but the bipolar plates are difficult to ensure to be completely sealed, and the components are not tightly connected, so that the sealing effect of the device is affected, and the sealing device for the production of the bipolar plates of the flow battery is provided to solve the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a sealing device for producing a bipolar plate of a flow battery, which has the advantages of good sealing effect and the like, and solves the problems that the bipolar plate is difficult to ensure to be completely sealed and the connection between components is not tight enough.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the sealing device for producing the bipolar plate of the flow battery comprises a sealing box, clamping assemblies are fixed on the left side and the right side of the sealing box, a bipolar plate body is movably inserted into an inner cavity of the sealing box, a sealing cover is movably inserted into the top of the sealing box, clamping blocks matched with the clamping assemblies are fixed on the left side and the right side of the sealing cover, a sleeving frame is sleeved on the outer surfaces of the sealing cover and the two clamping assemblies, and a positioning screw penetrating into the sealing cover is connected with the top of the sleeving frame through threads;

the clamping assembly comprises clamping shells fixed on the left side and the right side of the sealing box, a clamping spring is fixed at the top of an inner cavity of the clamping shell, a linkage rod is fixed at the bottom of the clamping spring, a joint block is fixed at the bottom of the linkage rod, sliding through holes are formed in the front face and the back face of the clamping shell, and a clamping ring penetrating through the front sliding through holes and the back sliding through holes and being clamped with the clamping block is movably connected to the bottom of the joint block.

Further, the bottom of seal box is fixed with places the base, the bottom of placing the base is fixed with the antiskid sheet, all be fixed with the buffering rubber pad around the seal box internal surface, the bottom of seal box is fixed with supporting component.

Further, the supporting component is including fixing the stock that just quantity is two in sealed box inner chamber bottom, the internal surface sliding connection of stock has the quarter butt, the top of quarter butt is fixed with the backup pad, the top of quarter butt is fixed with the supporting spring who encircles the quarter butt surface and fix with the backup pad bottom, the top of backup pad is fixed with the supporting sponge with bipolar plate body bottom laminating, both sides all are fixed with the backup pad around the backup pad, two one side that the backup pad is relative all is fixed with the positioning disk.

Further, the bottom of sealed lid is fixed with the embedded ring, the embedded groove with embedded ring assorted is seted up at the top of sealed box, the bottom of sealed lid is fixed with locating component.

Further, the locating component is including fixing the spacing ring in sealed lid bottom, the top of spacing ring is fixed with the buffer ring, the bottom of sealed lid is fixed with a plurality of and by spacing ring surrounded positioning spring, positioning spring's bottom is fixed with the locating plate, the bottom of locating plate is fixed with the locating sponge that laminates with bipolar plate body top.

Further, a thread groove matched with the set screw is formed in the top of the sealing cover, and a thread through hole matched with the set screw is formed in the top of the sleeve joint frame.

Further, the clamping ring is a strip-shaped retaining ring, and a clamping groove matched with the clamping ring is formed in the top of the clamping block.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this sealing device is used in production of flow cell bipolar plate inserts sealed box through the bipolar plate body to with sealed lid embedding to the top of sealed box, through the cooperation effect of joint subassembly and joint piece, make the bipolar plate body sealed in the inside of sealed box, and through cup jointing the frame with whole sealing device closely cover firmly and with the set screw fixed, further improve its sealed effect, connect closely between the subassembly, sealed effectual.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is a schematic diagram of the structure of the present utility model;

FIG. 4 is an external view of the present utility model;

fig. 5 is a schematic structural diagram of the clamping assembly of the present utility model.

In the figure: the sealing device comprises a sealing box 1, a clamping assembly 2, a clamping shell 201, a clamping spring 202, a linkage rod 203, a bonding block 204, a sliding through hole 205, a clamping ring 206, a bipolar plate body 3, a sealing cover 4, a clamping block 5, a sleeving frame 6 and a positioning screw 7.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a sealing device for producing a bipolar plate of a flow battery in this embodiment includes a sealing box 1, a placement base is fixed at the bottom of the sealing box 1, an antislip piece is fixed at the bottom of the placement base, buffer rubber pads are all fixed around the inner surface of the sealing box 1, a supporting component is fixed at the bottom of the sealing box 1, the placement base can increase the contact area of the bottom of the sealing device, the increased bottom area can enable the component to be placed stably and not easy to topple over, the buffer rubber pads are made of elastic materials, elastic deformation can occur when the impact is applied, impact force is neutralized through generated elastic force, and the fragile and precise bipolar plate body 3 can be protected by using the buffer rubber pads as protection inner liners.

In addition, it should be noted that, the supporting component includes the stock that fixes in sealed box 1 inner chamber bottom and quantity is two, the internal surface sliding connection of stock has the quarter butt, the top of quarter butt is fixed with the backup pad, the top of stock is fixed with the support spring that encircles the quarter butt surface and fix with the backup pad bottom, the top of backup pad is fixed with the support sponge that laminates with bipolar plate body 3 bottom, both sides all are fixed with the backup pad around the backup pad, two backup pads opposite side all are fixed with the positioning disk, the quarter butt cover is established at the internal surface of stock, the removal of whole component has been limited through its structure, make it can only make the motion of vertical direction, when bipolar plate body 3 inserts into, two soft positioning disks can clip bipolar plate body 3, and the bottom support sponge can be with bipolar plate body 3 bottom direct contact, protect and hold bipolar plate body 3 through its soft self nature, reduce the pressure of its bottom contact surface, the bottom quarter butt receives the inside slip of pressure to the stock, the support spring is simultaneously by the extrusion deformation, take place elasticity and produce elasticity and restore to the bipolar plate that is located above the backup pad body 3.

The left and right sides of seal box 1 all is fixed with joint subassembly 2, and the inner chamber activity of seal box 1 has inserted bipolar plate body 3, and seal box 1's top activity has inserted sealed lid 4, and sealed lid 4's bottom is fixed with the embedded ring, and sealed box 1's top has seted up with embedded ring assorted embedded groove, and sealed lid 4's bottom is fixed with locating component, after embedded ring embeds itself into embedded groove, closely laminating both, reduces the chance of air admission through having increased area of contact to make it obtain certain structural strength.

In addition, it should be noted that, the locating component is including fixing the spacing ring in sealed lid 4 bottom, the top of spacing ring is fixed with the buffer ring, the bottom of sealed lid 4 is fixed with a plurality of and by spacing ring surrounded positioning spring, positioning spring's bottom is fixed with the locating plate, the bottom of locating plate is fixed with the locating sponge that laminates with bipolar plate body 3 top, after the inner chamber of sealed box 1 is inserted to bipolar plate body 3 that is located the below, cover sealed lid 4 at sealed box 1's top, the bottom of the locating sponge at top contacts bipolar plate body 3's top, disperse the pressure that bipolar plate body 3 received through its soft nature, the pressure conduction gives the locating plate, the locating plate gives a plurality of locating springs with the even conduction of pressure, the locating spring takes place deformation accumulation elasticity after the atress, and offset pressure absorption through the elasticity.

The left and right sides of sealed lid 4 all is fixed with joint piece 5 with joint subassembly 2 assorted, cup joint frame 6 has been cup jointed to the surface of sealed lid 4 and two joint subassemblies 2, the top threaded connection of cup joint frame 6 has the screw thread groove that runs through to the sealed lid 4 of the inside set screw 7 of sealed lid 4, set screw 7 assorted screw thread through-hole has been seted up at the top of cup joint frame 6, after cup joint frame 6 cup joints the surface of sealed lid 4 and two joint subassemblies 2, screw the set screw 7 into the screw thread through-hole at cup joint frame 6 top and continue the spiral movement downwards until in the screw thread groove at sealed lid 4 top is inserted completely, the fixed action of running through of set screw 7 will cup joint frame 6 and set screw 7 is in the same place, threaded connection is firm, prevent that it from taking place the skew.

Referring to fig. 5, in order to achieve the purpose of clamping the sealing cover 4 and the sealing box 1 together, the clamping assembly 2 in this embodiment includes a clamping shell 201 fixed on the left and right sides of the sealing box 1, a clamping spring 202 is fixed on the top of the inner cavity of the clamping shell 201, a linkage rod 203 is fixed on the bottom of the clamping spring 202, a bonding block 204 is fixed on the bottom of the linkage rod 203, sliding through holes 205 are formed in the front and back sides of the clamping shell 201, a clamping ring 206 penetrating through the front and back two sliding through holes 205 and being clamped with the clamping block 5 is movably connected to the bottom of the bonding block 204, the clamping ring 206 is a strip-shaped retaining ring, a clamping groove matched with the clamping ring 206 is formed in the top of the clamping block 5, the clamping ring 206 is clamped in the clamping groove, and then downward force is applied, so that the clamping ring 206 can be firmly fixed in the clamping groove of the clamping block 5.

In general, the sealing cover 4 is embedded with the sealing box 1, the clamping ring 206 is pulled to lift upwards, the clamping spring 202 is stressed to elastically deform under the action of force transmission, elastic force is generated, when the clamping ring 206 is buckled on the clamping block 5, the hand is released, the clamping spring 202 is quickly restored to the original state without being influenced by traction force, and the clamping ring 206 is firmly fixed in the clamping groove of the clamping block 5 through self elastic force.

The working principle of the embodiment is as follows:

the sealing device for producing the bipolar plate of the flow battery is characterized in that a bipolar plate body 3 is inserted into a sealing box 1, two soft positioning plates clamp the bipolar plate body 3, a lower supporting sponge is in direct contact with the bottom of the bipolar plate body 3, the bipolar plate body 3 is protected and contained by the soft self-property of the lower supporting sponge, the pressure of the bottom contact surface of the lower supporting sponge is reduced, a lower short rod is stressed to slide towards the inside of a long rod by pressure, a supporting spring is stressed to be extruded and deformed by the lower short rod, elastic force is generated when elastic deformation occurs, the elastic force acts on the supporting plate, the bipolar plate body 3 positioned above is supported, a sealing cover 4 is embedded into the top of the sealing box 1, an embedded ring is embedded into an embedded groove, the lower supporting sponge and the lower supporting sponge are tightly attached, after the bipolar plate body 3 positioned below is inserted into the inner cavity of the sealing box 1, the sealing cover 4 is covered on the top of the sealing box 1, the bottom of the positioning sponge at the top contacts the top of the bipolar plate body 3, the pressure born by the bipolar plate body 3 is dispersed, the pressure is transmitted to the positioning plate, the positioning plate uniformly transmits the pressure to a plurality of positioning springs, the positioning springs deform after being stressed to accumulate elastic force and absorb and offset the pressure through the elastic force, the clamping ring 206 is pulled upwards to lift the positioning sponge, the clamping spring 202 is stressed to elastically deform under the transmission effect of force to generate elastic force, when the clamping ring 206 is buckled on the clamping block 5, the hand is released, the clamping spring 202 is not influenced by traction force to quickly recover to the original shape, the clamping ring 206 is firmly fixed in a clamping groove of the clamping block 5 through the self elastic force and is tightly connected and fixed with the sealing cover 4 and the sealing box 1 through the matching effect of the clamping block 5, so that the bipolar plate body 3 is sealed inside the sealing box 1, and the whole sealing device is tightly sleeved and fixed by the positioning screw 7 through the sleeve joint frame 6, so that the sealing cover 4 is tightly connected with the sleeve joint frame 6, the components are tightly connected, and the sealing effect is good.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Sealing device is used in production of redox flow battery bipolar plate, including seal box (1), its characterized in that: clamping components (2) are fixed on the left side and the right side of the sealing box (1), a bipolar plate body (3) is movably inserted into an inner cavity of the sealing box (1), a sealing cover (4) is movably inserted into the top of the sealing box (1), clamping blocks (5) matched with the clamping components (2) are fixed on the left side and the right side of the sealing cover (4), a sleeving frame (6) is sleeved on the outer surfaces of the sealing cover (4) and the two clamping components (2), and a positioning screw (7) penetrating into the sealing cover (4) is connected with the top of the sleeving frame (6) through threads;

the clamping assembly (2) comprises clamping shells (201) fixed on the left side and the right side of the sealing box (1), clamping springs (202) are fixed at the tops of inner cavities of the clamping shells (201), linkage rods (203) are fixed at the bottoms of the clamping springs (202), attaching blocks (204) are fixed at the bottoms of the linkage rods (203), sliding through holes (205) are formed in the front face and the back face of the clamping shells (201), and clamping rings (206) penetrating through the front sliding through holes (205) and the rear sliding through holes and being in clamping connection with the clamping blocks (5) are movably connected at the bottoms of the attaching blocks (204).

2. The sealing device for producing a bipolar plate of a flow battery according to claim 1, wherein: the bottom of seal box (1) is fixed with places the base, the bottom of placing the base is fixed with the antiskid sheet, all be fixed with the buffering rubber pad around seal box (1) internal surface, the bottom of seal box (1) is fixed with supporting component.

3. The sealing device for producing a bipolar plate of a flow battery according to claim 2, wherein: the support assembly comprises long rods which are fixed at the bottom of an inner cavity of the sealing box (1) and are two in number, short rods are slidably connected to the inner surfaces of the long rods, support plates are fixed to the tops of the short rods, support springs which encircle the outer surfaces of the short rods and are fixed to the bottoms of the support plates are fixed to the tops of the long rods, support sponge attached to the bottoms of the bipolar plate bodies (3) are fixed to the tops of the support plates, support plates are fixed to the front side and the rear side of each support plate, and positioning plates are fixed to one side, opposite to each other, of each support plate.

4. The sealing device for producing a bipolar plate of a flow battery according to claim 1, wherein: the bottom of sealed lid (4) is fixed with the embedded ring, embedded groove with embedded ring assorted is seted up at the top of sealed box (1), the bottom of sealed lid (4) is fixed with locating component.

5. The sealing device for producing a bipolar plate of a flow battery according to claim 4, wherein: the locating component comprises a limiting ring fixed at the bottom of the sealing cover (4), a buffer ring is fixed at the top of the limiting ring, a plurality of locating springs surrounded by the limiting ring are fixed at the bottom of the sealing cover (4), a locating plate is fixed at the bottom of the locating springs, and locating sponge attached to the top of the bipolar plate body (3) is fixed at the bottom of the locating plate.

6. The sealing device for producing a bipolar plate of a flow battery according to claim 1, wherein: the top of sealed lid (4) is seted up and is located screw thread groove (7) assorted, cup joint the top of frame (6) and be seted up with locating screw (7) assorted screw thread through-hole.

7. The sealing device for producing a bipolar plate of a flow battery according to claim 1, wherein: the clamping ring (206) is a strip-shaped retaining ring, and a clamping groove matched with the clamping ring (206) is formed in the top of the clamping block (5).