Battery electrolyte leading-in device

Abstract

The utility model provides a battery electrolyte leading-in device which comprises an injection pipe, the injection pipe is connected to the bottom of a liquid storage tank through a connecting pipe, the liquid storage tank is located above the injection pipe, a pressing rod penetrating through the top of the liquid storage tank is further arranged, and the top of the pressing rod is connected with a locking structure for preventing the pressing rod from continuously sliding through a connecting rod. A pointer is connected to the pressing rod and located on the side face of the liquid storage box, a fixing sleeve is fixedly connected to the bottom of the liquid storage box, the fixing sleeve and the liquid storage box are in threaded connection through the inner wall of the fixing sleeve and the annular sleeve, and the pointer can abut against the upper top of the annular sleeve by rotating the annular sleeve when the pressing rod is pressed downwards. And downward movement is stopped.

Description

Technical Field

[0001] The utility model relates to the technical field of electrolyte injection, in particular to a battery electrolyte introduction device. Background Art

[0002] Electrolytes are the medium used in chemical batteries and electrolytic capacitors. Their meanings vary widely depending on the industry. These include electrolytes found in living organisms, those used in batteries, and those used in electrolytic capacitors and supercapacitors.

[0003] The utility model with patent number CN215578984U discloses a lithium battery electrolyte injection device with controllable electrolyte. By retracting the movable end of the electric hydraulic push rod, the electrolyte in the liquid storage tank flows to the interior of the injection tube through the first one-way valve, causing the position of the movable plate to move downward. Since the pointer corresponds to the scale, it is convenient to control the amount of extraction by the extension and retraction length of the electric hydraulic push rod. When the above scheme is implemented, due to inertia, the movable plate may continue to move downward after reaching the predetermined position, which may easily cause an error between the actual amount extracted and the preset value. Therefore, a battery electrolyte introduction device is proposed to solve the above problem. Utility Model Content

[0004] In response to the shortcomings of the existing technology, the utility model provides a battery electrolyte introduction device, which has the advantages of accurately controlling the amount and extracting the electrolyte, and solves the technical problem that the actual amount of electrolyte extracted is prone to error from the preset value.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A battery electrolyte introduction device includes an injection tube, which is connected to the bottom of a liquid storage tank through a connecting tube. The liquid storage tank is located above the injection tube and is also provided with a pressure rod running through the top thereof. The top of the pressure rod is connected to a locking structure through a connecting rod to prevent the pressure rod from continuing to slide. A pointer is connected to the pressure rod, and the pointer is located on the side of the liquid storage tank. A fixed sleeve is fixedly connected to the bottom of the liquid storage tank. The fixed sleeve and the liquid storage tank are threadedly connected through the inner wall of the fixed sleeve and the annular sleeve. By rotating the annular sleeve, when the pressure rod is pressed downward, the pointer can abut against the top of the annular sleeve and stop moving downward.

[0007] Furthermore, the locking structure includes a clamp, an independent cavity is provided in the liquid storage tank, the clamp is located in the cavity, and is used to clamp the pressure rod. The clamp is connected to a connecting rod, and the pressure rod includes pressing blocks on both sides of the top, and the connecting rod is connected to the pressing blocks.

[0008] Furthermore, the connecting rod is a telescopic sleeve rod, which can be stretched as the pressure rod is compressed downward.

[0009] Furthermore, a scale is provided on the outer surface of the liquid storage tank, and the scale corresponds to the position of the pointer.

[0010] Compared with the existing technology, the technical solution of this application has the following beneficial effects:

[0011] The battery electrolyte introduction device is provided with a retractable ring sleeve, so that before extracting the electrolyte, the scale positioning is achieved by rotating the sleeve and then the electrolyte is extracted. This avoids the error between the actual extraction amount and the preset value due to inertia, and improves the accuracy of electrolyte extraction. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 This is a partial structural sectional view of the utility model;

[0014] Figure 3 for Figure 2 A magnified view of point A;

[0015] Figure 4 It is a structural schematic diagram of the pressure rod part of the utility model.

[0016] In the figure: 1-injection tube; 2-connecting tube; 3-connecting rod; 4-clamp; 5-scale; 6-liquid storage tank; 601-cavity; 7-fixing sleeve; 8-annular sleeve; 9-pressure rod; 901-pressing block; 902-sealing block; 903-spring clip; 10-pointer. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0018] See also Figure 1-2 In this embodiment, a battery electrolyte introduction device includes an injection tube 1, which is connected to the bottom of a liquid storage tank 6 through a connecting tube 2. The liquid storage tank 6 is located above the injection tube 1 and is further provided with a pressure rod 9 passing through the top thereof. The top of the pressure rod 9 is connected to a locking structure through a connecting rod 3 to prevent the pressure rod 9 from continuing to slide. A pointer 10 is connected to the pressure rod 9, and the pointer 10 is located on the side of the liquid storage tank 6. A fixed sleeve 7 is fixedly connected to the bottom of the liquid storage tank 6. The fixed sleeve 7 and the liquid storage tank 6 are threadedly connected to an annular sleeve 8 through the inner wall of the fixed sleeve 7. The annular sleeve 8 can be rotated so that when the pressure rod 9 is pressed downward, the pointer 10 can abut against the top of the annular sleeve 8 and stop moving downward.

[0019] In the present application, since the bottom of the liquid storage tank 6 is fixedly connected to the fixed sleeve 7, when the annular sleeve 8 between the two is rotated, it can be moved up and down, and the relative displacement between the annular sleeve 8 and the fixed sleeve 7 can be adjusted. At the same time, since the annular sleeve 8 is threadedly connected to the inner wall of the fixed sleeve 7, the relative displacement between the annular sleeve 8 and the fixed sleeve 7 will remain fixed after any rotation of the annular sleeve 8.

[0020] The pressure rod 9 includes a sealing block 902 connected to the bottom, which abuts the inner wall of the liquid reservoir 6. At this time, when the pressure rod 9 is compressed downward, the liquid inside the liquid reservoir 6 will be squeezed out. A pressure valve 201 is also provided at the opening of the connecting pipe 2 with the liquid reservoir 6. Due to the effect of pressure, the liquid inside the liquid reservoir 6 will be squeezed into the injection tube 1 through the connecting pipe 2. When the pressure rod 9 is pressed downward, it also drives the pointer 10 downward until it abuts the top of the annular sleeve 8. The volume of liquid injected into the injection tube 1 can be controlled by adjusting the relative displacement between the annular sleeve 8 and the fixed sleeve 7, reducing the error between the actual withdrawal amount and the preset value.

[0021] Furthermore, the locking structure includes a clamp 4, an independent cavity 601 is provided in the liquid storage tank 6, the clamp 4 is located in the cavity 601, and is used to clamp the pressure rod 9. The clamp 4 is connected to the connecting rod 3, and the pressure rod 9 includes pressing blocks 901 on both sides of the top, and the connecting rod 3 is connected to the pressing block 901.

[0022] like Figure 3-4 As shown, the clamp 4 is connected to the pressing block 901 via the connecting rod 3 to form a locking structure. When the pressing rod 9 is pressed downward, the pressing blocks 901 on both sides of the pressing rod 9 are pressed simultaneously. The locking structure also includes a spring clip 903. Since the clamp 4 and the connecting rod 3 are connected by the spring clip 903.

[0023] Furthermore, the pressure rod 9 includes pressing blocks 901 on both sides of the top, and the pressing blocks 901 are respectively connected to a connecting rod 3. The connecting rod 3 is a telescopic sleeve rod that can be stretched as the pressure rod is compressed downward.

[0024] Since the clamp 4 is located within the liquid reservoir 6 and abuts the bottom of the cavity 601, when the pressing block 901 is pressed, the connecting rod 3 is continuously compressed, and the spring clip 903 is simultaneously stressed, causing the clamp 4 to open. When the pointer 10 abuts the top of the annular sleeve 8, the downward pressure stops. At this time, the pressing block 901 is released, and the clamp 4 clamps the pressure rod 9 to prevent it from moving further downward.

[0025] Furthermore, a scale 5 is provided on the outer surface of the liquid storage tank 6 , and the position of the scale 5 corresponds to that of the pointer 10 .

[0026] like Figure 1As shown, the scale 5 can be rotated to an appropriate height by rotating the annular sleeve 8, so that the volume of liquid that needs to be pressed into the injection tube 1 can be determined before pressing the pressure rod 9, and then the pressure rod 9 is pressed until the pointer 10 abuts, thereby avoiding the error between the actual extraction amount and the preset value due to inertia, and improving the accuracy of electrolyte extraction.

[0027] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A battery electrolyte introduction device, comprising an injection tube (1), wherein the injection tube (1) is connected to the bottom of a liquid storage tank (6) through a connecting tube (2), and the liquid storage tank (6) is located above the injection tube (1) and is further provided with a pressure rod (9) passing through the top thereof, characterized in that: The top of the pressure rod (9) is connected to a locking structure for preventing the pressure rod (9) from continuing to slide through a connecting rod (3); a pointer (10) is connected to the pressure rod (9); the pointer (10) is located on the side of the liquid storage tank (6); a fixed sleeve (7) is fixedly connected to the bottom of the liquid storage tank (6); the fixed sleeve (7) and the liquid storage tank (6) are threadedly connected to the annular sleeve (8) through the inner wall of the fixed sleeve (7); the annular sleeve (8) can be rotated so that when the pressure rod (9) is pressed downward, the pointer (10) can abut against the top of the annular sleeve (8) and stop moving downward.

2. A battery electrolyte introduction device according to claim 1, characterized in that: The locking structure includes a clamp (4), an independent cavity (601) is provided in the liquid storage tank (6), the clamp (4) is located in the cavity (601) and is used to clamp the pressure rod (9), the clamp (4) is connected to a connecting rod (3), the pressure rod (9) includes pressing blocks (901) on both sides of the top, and the connecting rod (3) is connected to the pressing blocks (901).

3. A battery electrolyte introduction device according to claim 2, characterized in that: The connecting rod (3) is a telescopic sleeve rod that can be stretched as the pressure rod is compressed downward.

4. A battery electrolyte introduction device according to claim 1, characterized in that: The outer surface of the liquid storage tank (6) is provided with a scale (5), and the position of the scale (5) corresponds to the position of the pointer (10).

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