Leakage marking tank with low electrolyte leakage rate

Abstract

The utility model provides a low electrolyte leakage rate standard leakage tank which comprises a tank body, a first sealing gasket is fixedly connected to the top of the tank body, a top cover is arranged on the tank body, a second sealing gasket attached to the first sealing gasket is arranged in the top cover, guide rods which are symmetrically distributed are fixedly connected to the outer wall of the tank body, and the guide rods are fixedly sleeved with connecting blocks. First L-shaped plates which are symmetrically distributed are fixedly connected to the tank body, connecting rods are arranged on the first L-shaped plates in a sliding and penetrating mode, fixing blocks are fixedly connected to one ends of the connecting rods, grooves which are symmetrically distributed and shaped like the Arabic numeral seven are formed in the top cover, the connecting rods are fixedly sleeved with second L-shaped plates, and springs which are arranged outside the connecting rods in a sleeving mode are fixedly connected between the first L-shaped plates and the second L-shaped plates. The other end of the connecting rod is fixedly connected with a T-shaped pressing block arranged in the 7-shaped groove; the top cover can be conveniently disassembled and assembled, operation is easy and convenient, time and labor are saved, the disassembling and assembling efficiency is further improved, and subsequent cleaning of the interior of the tank body is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery electrolyte, in particular to a low electrolyte leakage rate standard leakage tank. Background Art

[0002] As one of the mainstream energy storage devices today, lithium batteries have been widely used in electric vehicles, wearable devices, mobile phones and other fields. However, with the large-scale application of lithium batteries, their safety and stability have become one of the issues that have attracted much attention. During the operation of the battery, electrolyte leakage may cause serious safety accidents, such as fire. Therefore, the storage of battery electrolyte is particularly important. The electrolyte is generally stored in a stainless steel tank with a top cover to ensure good sealing. However, the existing technology has the following shortcomings when used:

[0003] The installation and removal of the top cover are both troublesome and the steps are complicated. When the inside of the tank needs to be cleaned, it is very inconvenient, and the efficiency of the installation and removal of the top cover needs to be further improved.

[0004] Therefore, a low electrolyte leakage rate standard leak tank is urgently needed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to solve the problem that the installation and disassembly of the existing top cover are both troublesome and the steps are complicated. When the inside of the tank body needs to be cleaned, it is very inconvenient, and the efficiency of disassembly and assembly of the top cover needs to be further improved.

[0006] In order to achieve the above-mentioned invention object, the utility model provides the following technical solutions:

[0007] The invention discloses a low electrolyte leakage rate standard leak tank, which is used to improve the above problems.

[0008] The specific application is as follows:

[0009] A low electrolyte leakage rate marking leak tank comprises a tank body, a first sealing gasket is fixedly connected to the top of the tank body, a top cover is provided on the tank body, a second sealing gasket which fits the first sealing gasket is provided in the top cover, a symmetrically distributed guide rod is fixedly connected to the outer wall of the tank body, a connecting block is fixedly sleeved on the guide rod, a symmetrically distributed first L-shaped plate is fixedly connected to the tank body, a connecting rod is slidably penetrated through the first L-shaped plate, one end of the connecting rod is fixedly connected to the fixing block, a symmetrically distributed seven-shaped groove is provided on the top cover, a second L-shaped plate is fixedly sleeved on the connecting rod, a spring sleeved outside the connecting rod is fixedly connected between the first L-shaped plate and the second L-shaped plate, the other end of the connecting rod is fixedly connected to a T-shaped pressing block placed in the seven-shaped groove, a side wall of the first L-shaped plate is fixedly connected to a mounting block, a first square opening is provided on the fixing block, a second square opening is provided on the mounting block, and a positioning plug is inserted in the second square opening.

[0010] As a preferred technical solution of the present application, a support frame is fixedly mounted on the tank body.

[0011] As a preferred technical solution of the present application, the guide rod passes through the top cover.

[0012] As a preferred technical solution of the present application, the bottom of the top cover is in contact with the connecting block.

[0013] As a preferred technical solution of the present application, the second L-shaped plate slides through the first L-shaped plate.

[0014] As a preferred technical solution of the present application, the T-shaped pressing block is adapted to the seven-shaped groove.

[0015] As a preferred technical solution of the present application, the tank body and the top cover are both made of stainless steel.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] In the scheme of this application:

[0018] By setting the first sealing gasket, the second sealing gasket, the guide rod, the connecting block, the first L-shaped plate, the connecting rod, the fixing block, the seven-shaped groove, the second L-shaped plate, the spring, the T-shaped pressure block, the mounting block, the first square opening, the second square opening and the positioning plug block, first take out the two positioning plug blocks from the second square opening, then pull the two fixing blocks to the side away from the top cover, the second L-shaped plate, the connecting rod and the T-shaped pressure block move with the fixing block, the spring is compressed and deformed by the extrusion force, when the T-shaped pressure block is disengaged from the seven-shaped groove, the first square opening is located directly above the second square opening, then the positioning plug blocks are inserted into the first square opening and the second square opening together to fix the fixing block, the staff lifts the top cover upwards, and when the top cover is disengaged from the two guide rods, the top cover is removed to facilitate the subsequent cleaning of the inside of the tank body, and when the top cover needs to be installed, the top cover is placed on the top of the tank body so that the two guide rods The top cover is penetrated and the top cover is initially positioned. At this time, the first sealing gasket is in contact with the second sealing gasket, and then the two positioning plugs are taken out from the first square opening and the second square opening, and the second L-shaped plate is driven to move in the direction close to the top cover by the elastic force of the spring, and through the set seven-shaped groove, when the T-shaped pressure block passes through the arc surface on the seven-shaped groove, the top cover is pressed down, and the first sealing gasket and the second sealing gasket are squeezed to ensure better sealing between the top cover and the tank body. Then the two T-shaped pressure blocks are respectively placed in the two seven-shaped grooves, and the bottom of the top cover is fitted with the tops of the two connecting blocks to fix the top cover, and the installation of the top cover is completed. The operation is simpler and more convenient, and the sealing between the top cover and the tank body is also ensured, which solves the problem that the installation and disassembly of the top cover in the prior art are relatively troublesome and the steps are relatively cumbersome. When the inside of the tank body needs to be cleaned, it is very inconvenient, and the efficiency of disassembly and assembly of the top cover needs to be further improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of the overall structure of a low electrolyte leakage rate marking leak tank provided in this application.

[0020] Figure 2 A schematic diagram of the explosion structure of a low electrolyte leakage rate marking leak tank provided in this application.

[0021] Figure 3 A schematic diagram of the explosion structure of a low electrolyte leakage rate marking leak tank provided in this application.

[0022] Figure 4 A schematic structural diagram of a top cover in a low electrolyte leakage rate marking leak tank provided in the present application.

[0023] Figure 5 for Figure 1 Schematic diagram of the enlarged structure of part A.

[0024] Figure 6 for Figure 2 Schematic diagram of the enlarged structure of part B.

[0025] Figure 7 for Figure 3 Schematic diagram of the enlarged structure of part C.

[0026] Indicated in the figure:

[0027] 1. Tank body; 2. First sealing gasket; 3. Top cover; 4. Second sealing gasket; 5. Guide rod; 6. Connecting block; 7. First L-shaped plate; 8. Connecting rod; 9. Fixing block; 10. Seven-shaped groove; 11. Second L-shaped plate; 12. Spring; 13. T-shaped pressure block; 14. Mounting block; 15. First square opening; 16. Second square opening; 17. Positioning plug block; 18. Support frame. DETAILED DESCRIPTION

[0028] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.

[0029] Therefore, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the present invention to be protected, but merely represents some embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0031] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0032] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "upper", "lower", etc. is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the invention product is usually placed when in use, or the orientation or position relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present utility model and simplifying the description, and do 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 therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0033] Example:

[0034] like Figure 1-7 As shown, a low electrolyte leakage rate marking tank proposed in this embodiment includes a tank body 1, in which an electrolyte is stored, and a polymer such as polyvinyl alcohol, polyacrylonitrile, polyacrylamide, polyvinyl alcohol ether, carboxymethyl cellulose, etc. that can increase the viscosity of the electrolyte is added to the electrolyte, and the movement of the electrolyte molecules is restricted by the interaction between the polymer and the electrolyte molecules, and the volatilization rate of the electrolyte is reduced, thereby preparing a low volatilization rate marking tank, and a first sealing gasket 2 is fixedly connected to the top of the tank body 1, and a top cover is provided on the tank body 1 3, a second sealing gasket 4 is provided in the top cover 3 and is fitted with the first sealing gasket 2, a symmetrically distributed guide rod 5 is fixedly connected to the outer wall of the tank body 1, a connecting block 6 is fixedly sleeved on the guide rod 5, a symmetrically distributed first L-shaped plate 7 is fixedly connected to the tank body 1, a connecting rod 8 is slidably penetrated on the first L-shaped plate 7, one end of the connecting rod 8 is fixedly connected to a fixing block 9, a symmetrically distributed seven-shaped groove 10 is opened on the top cover 3, a second L-shaped plate 11 is fixedly sleeved on the connecting rod 8, and the first L-shaped plate 7 and the second L-shaped plate 11 are fixedly sleeved between them A spring 12 is connected to the outside of the connecting rod 8, and the other end of the connecting rod 8 is fixedly connected to a T-shaped pressure block 13 placed in the seven-shaped groove 10. The side wall of the first L-shaped plate 7 is fixedly connected to a mounting block 14. The fixing block 9 is provided with a first square opening 15, and the mounting block 14 is provided with a second square opening 16. A positioning plug 17 is inserted into the second square opening 16. First, take out the two positioning plugs 17 from the second square opening 16, and then pull the two fixing blocks 9 to the side away from the top cover 3. The second L-shaped plate 11, The connecting rod 8 and the T-shaped pressure block 13 move with the fixed block 9, and the spring 12 is compressed and deformed by the extrusion force. When the T-shaped pressure block 13 is disengaged from the seven-shaped groove 10, the first square opening 15 is located directly above the second square opening 16, and then the positioning plug 17 is inserted into the first square opening 15 and the second square opening 16 to fix the fixed block 9. Then the staff lifts up the top cover 3. When the top cover 3 is disengaged from the two guide rods 5, the top cover 3 is removed to facilitate the subsequent cleaning of the inside of the tank body 1.

[0035] like Figure 2 As shown, a support frame 18 is fixedly sleeved on the tank body 1, and the tank body 1 is fixed by the support frame 18.

[0036] like Figure 1 As shown, the guide rods 5 pass through the top cover 3 , and the top cover 3 is preliminarily positioned by the two guide rods 5 .

[0037] like Figure 1 As shown, the bottom of the top cover 3 is in contact with the connecting block 6 .

[0038] like Figure 5 As shown, the second L-shaped plate 11 slides through the first L-shaped plate 7 .

[0039] like Figure 4 and Figure 5 As shown, the T-shaped pressing block 13 is matched with the seven-shaped groove 10, and the two positioning plugs 17 are taken out from the first square opening 15 and the second square opening 16. The elastic force of the spring 12 drives the second L-shaped plate 11 to move toward the top cover 3. Through the set seven-shaped groove 10, when the T-shaped pressing block 13 passes through the arc surface on the seven-shaped groove 10, the top cover 3 is pressed down, and the first sealing gasket 2 and the second sealing gasket 4 are squeezed to ensure better sealing between the top cover 3 and the tank body 1. Then the two T-shaped pressing blocks 13 are respectively placed in the two seven-shaped grooves 10.

[0040] like Figure 1 As shown, the tank body 1 and the top cover 3 are both made of stainless steel, which ensures the service life of the tank body 1 and the top cover 3.

[0041] Specifically, when the present low electrolyte leakage rate marking leak tank is in use: first, the two positioning plugs 17 are taken out from the second square opening 16, and then the two fixing blocks 9 are pulled to the side away from the top cover 3, and the second L-shaped plate 11, the connecting rod 8 and the T-shaped pressing block 13 move with the fixing block 9, and the spring 12 is compressed and deformed by the extrusion force. When the T-shaped pressing block 13 is disengaged from the seven-shaped groove 10, the first square opening 15 is located directly above the second square opening 16, and then the positioning plugs 17 are inserted into the first square opening 15 and the second square opening 16 together to fix the fixing blocks 9, and then the staff lifts the top cover 3 upwards, and when the top cover 3 is disengaged from the two guide rods 5, the top cover 3 is removed to facilitate the subsequent cleaning of the inside of the tank body 1. When the top cover 3 needs to be installed, the top cover 3 is placed on the top of the tank body 1, so that the two guide rods 5 pass through the top cover 3, and the top cover 3 is preliminarily positioned. At this time, the first sealing gasket 2 and the second sealing gasket 4 are in contact, and then the two positioning plugs 17 are removed from the first The second L-shaped plate 11 is taken out from the square opening 15 and the second square opening 16, and the elastic force of the spring 12 drives the second L-shaped plate 11 to move toward the direction close to the top cover 3. Through the set seven-shaped groove 10, when the T-shaped pressing block 13 passes through the arc surface on the seven-shaped groove 10, the top cover 3 is pressed down, and the first sealing gasket 2 and the second sealing gasket 4 are squeezed to ensure better sealing between the top cover 3 and the tank body 1. Then the two T-shaped pressing blocks 13 are respectively placed in the two seven-shaped grooves 10, and the bottom of the top cover 3 is fitted with the tops of the two connecting blocks 6 to fix the top cover 3 and complete the installation of the top cover 3. The operation is simpler and more convenient, and the sealing between the top cover 3 and the tank body 1 is also ensured. The tank body 1 contains electrolyte, and polymers such as polyvinyl alcohol, polyacrylonitrile, polyacrylamide, polyvinyl alcohol ether, carboxymethyl cellulose, etc. that can increase the viscosity of the electrolyte are added to the electrolyte. The movement of the electrolyte molecules is restricted by the interaction between the polymer and the electrolyte molecules, and the volatilization rate of the electrolyte is reduced, thereby preparing a standard leakage tank with a low volatilization rate.

[0042] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the invention are included in the scope of the claims of the present invention.

Claims

1. A low electrolyte leakage rate calibration tank, comprising a tank body (1), characterized in that: The top of the tank body (1) is fixedly connected to a first sealing gasket (2), a top cover (3) is provided on the tank body (1), a second sealing gasket (4) in contact with the first sealing gasket (2) is provided in the top cover (3), a symmetrically distributed guide rod (5) is fixedly connected to the outer wall of the tank body (1), a connecting block (6) is fixedly sleeved on the guide rod (5), a symmetrically distributed first L-shaped plate (7) is fixedly connected to the tank body (1), a connecting rod (8) is slidably penetrated on the first L-shaped plate (7), one end of the connecting rod (8) is fixedly connected to a fixing block (9), and a symmetrically distributed seven-shaped plate (7) is provided on the top cover (3). shaped groove (10), a second L-shaped plate (11) is fixedly sleeved on the connecting rod (8), a spring (12) sleeved outside the connecting rod (8) is fixedly connected between the first L-shaped plate (7) and the second L-shaped plate (11), the other end of the connecting rod (8) is fixedly connected to a T-shaped pressure block (13) placed in the seven-shaped groove (10), a side wall of the first L-shaped plate (7) is fixedly connected to a mounting block (14), a first square opening (15) is opened on the fixing block (9), a second square opening (16) is opened on the mounting block (14), and a positioning plug (17) is inserted into the second square opening (16).

2. A low electrolyte leakage rate marking tank according to claim 1, characterized in that: A support frame (18) is fixedly sleeved on the tank body (1).

3. A low electrolyte leakage rate marking tank according to claim 1, characterized in that: The guide rod (5) passes through the top cover (3).

4. A low electrolyte leakage rate marking tank according to claim 1, characterized in that: The bottom of the top cover (3) is in contact with the connecting block (6).

5. A low electrolyte leakage rate marking tank according to claim 4, characterized in that: The second L-shaped plate (11) slides through the first L-shaped plate (7).

6. A low electrolyte leakage rate marking tank according to claim 1, characterized in that: The T-shaped pressing block (13) is matched with the seven-shaped groove (10).

7. A low electrolyte leakage rate marking tank according to claim 1, characterized in that: The tank body (1) and the top cover (3) are both made of stainless steel.

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