CN220066061U - Manual priming device of cylinder lithium cell - Google Patents
Manual priming device of cylinder lithium cell Download PDFInfo
- Publication number
- CN220066061U CN220066061U CN202320955731.6U CN202320955731U CN220066061U CN 220066061 U CN220066061 U CN 220066061U CN 202320955731 U CN202320955731 U CN 202320955731U CN 220066061 U CN220066061 U CN 220066061U
- Authority
- CN
- China
- Prior art keywords
- liquid injection
- cup
- cylindrical lithium
- assembly
- lithium battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 60
- 230000037452 priming Effects 0.000 title claims description 8
- 239000007788 liquid Substances 0.000 claims abstract description 108
- 238000002347 injection Methods 0.000 claims abstract description 101
- 239000007924 injection Substances 0.000 claims abstract description 101
- 238000012827 research and development Methods 0.000 abstract description 11
- 239000003792 electrolyte Substances 0.000 description 19
- 238000011161 development Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Landscapes
- Filling, Topping-Up Batteries (AREA)
Abstract
The utility model discloses a manual liquid injection device for a cylindrical lithium battery, which comprises an integral support assembly, a liquid injection telescopic assembly and a battery positioning assembly, wherein the integral support assembly is connected with the liquid injection telescopic assembly; the integral supporting component is of a hollow cuboid structure without a top surface, and the inside of the structure is divided into a sliding part and a fixed part; the battery positioning assembly comprises two identical limiting plates, the limiting plates are vertically embedded into the fixed parts of the integral supporting assembly, and first round holes arranged at two ends of the limiting plates are fixedly connected with the positioning holes through bolts; the liquid injection telescopic assembly is arranged on the sliding part, a metering liquid injection cup is placed on a liquid injection cup support frame in the assembly, and a cup mouth of the metering liquid injection cup is inserted into a liquid injection port of a fixed non-liquid injection cylindrical lithium battery in the battery positioning assembly. The utility model realizes the research and development requirements of cylindrical lithium battery products with any size through the battery positioning component with adjustable size and the liquid injection telescopic device, and reduces the research and development cost.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a manual liquid injection device for a cylindrical lithium battery.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
With the high-speed development of new energy industry, the application of lithium batteries is becoming wider and wider. The cylindrical lithium battery is used as one of lithium battery products and has wide application in the fields of electric tools, low-speed vehicles, passenger vehicles and the like. The cylindrical lithium battery is taken as a core part and can be commercialized after being subjected to safe and reliable performance verification. The formula of the electrolyte and the liquid injection amount are important indexes for influencing the performance of the battery.
The electrolyte injection procedure in the production process of the cylindrical lithium battery needs to inject electrolyte into the battery, and the types of cylindrical products are more, so that the compatibility of related equipment (such as automatic and semi-automatic electrolyte injection machines) of the current industry company is limited, the research and development requirements of the cylindrical lithium batteries with various types cannot be met, the research and development period is longer, the research and development cost is higher, and the development progress of new products of the company is seriously influenced.
Disclosure of Invention
Aiming at the problems and defects existing in the prior art, the utility model provides a manual liquid injection device for a cylindrical lithium battery, which is suitable for the research and development requirements of cylindrical lithium battery products with any size through a battery positioning component and a liquid injection telescopic device with adjustable sizes, improves the compatibility of the liquid injection device for liquid injection procedures of cylindrical lithium batteries with different models, reduces research and development cost and accelerates the development progress of new products.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a manual liquid injection device of a cylindrical lithium battery comprises an integral supporting component, a liquid injection telescopic component and a battery positioning component; the integral support assembly is of a hollow cuboid structure without a top surface, and the inside of the structure is divided into a sliding part and a fixed part;
the battery positioning assembly comprises two identical limiting plates, wherein the limiting plates are vertically embedded into the fixed parts of the integral supporting assembly, first round holes are formed in the two ends of the limiting plates, and the first round holes are fixedly connected with the positioning holes through bolts;
the liquid injection telescopic assembly is arranged on the sliding part and comprises a liquid injection cup supporting frame, a metering liquid injection cup is placed on the liquid injection cup supporting frame, and a cup mouth of the metering liquid injection cup is inserted into a liquid injection port of a fixed cylindrical lithium battery without liquid injection in the battery positioning assembly.
According to a further technical scheme, the limiting plate is a convex plate, and the convex part of the convex plate is vertically embedded into the fixed part of the integral support assembly; the two ends of the convex plate are short sheets, and the short sheets are provided with first round holes.
Further technical scheme, the interval between a plurality of locating holes that set up on whole supporting component's the same side top surface is different, the interval sets up according to the diameter of the cylinder lithium cell of different models.
Further technical scheme, annotate liquid cup support frame is T type pole, be equipped with a plurality of holes of placing on the horizontal pole of T type pole, place the hole and be used for placing the measurement and annotate liquid cup, the inside cavity of montant of T type pole.
According to a further technical scheme, the metering and liquid injection cup is of a hollow cylinder structure matched with the placement hole, the bottom of the hollow cylinder structure is of an inverted conical structure, and the top end of the inverted conical structure is the cup mouth of the metering and liquid injection cup.
According to a further technical scheme, the metering liquid injection cup is locked in a placing hole on the liquid injection cup supporting frame through a jackscrew.
According to a further technical scheme, the liquid injection telescopic assembly further comprises a telescopic moving rod and a pulley fixing frame which are sequentially connected with the liquid injection cup supporting frame;
the telescopic moving rod is an L-shaped rod, and one end of the L-shaped rod extends into the vertical rod of the T-shaped rod.
According to a further technical scheme, the pulley fixing frame comprises a 4-direction pulley bracket, and the 4-direction pulley bracket is used for fixing 4 pulleys and enabling the 4 pulleys to slide along the same direction;
the pulley fixing frame further comprises a hollow vertical rod vertically connected with the 4-direction pulley support.
According to a further technical scheme, the other end of the L-shaped rod extends into the hollow vertical rod.
Further technical scheme, the both ends of L type pole set gradually a plurality of second round holes of equidimension respectively, the montant end of T type pole sets up with second round hole assorted third round hole, the top of cavity pole setting set up with second round hole assorted fourth round hole, through bolt fixed connection second round hole and third round hole, second round hole and fourth round hole.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model provides a manual liquid injection device for a cylindrical lithium battery, which is suitable for research and development requirements of cylindrical lithium battery products with any size through a battery positioning component and a liquid injection telescopic device with adjustable sizes, improves the compatibility of the liquid injection device for liquid injection procedures of cylindrical lithium batteries with different models, reduces research and development cost and accelerates development progress of new products.
2. The device has the advantages of simple structure, low manufacturing cost, convenient operation and low maintenance cost. And placing the cylindrical lithium battery without liquid injection in a battery positioning assembly, adjusting the limiting plates, and after fixing the cylindrical lithium battery, aligning a cup mouth of a metering liquid injection cup with a metering function in a liquid injection port of the cylindrical lithium battery between the two limiting plates for liquid injection. The device disclosed by the utility model can meet the research and development requirements of battery products of any size, greatly reduces the development cost and shortens the development period.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is a schematic structural view of a manual liquid injection device for a cylindrical lithium battery according to the present utility model;
FIG. 2 is a top view of a manual priming device for a cylindrical lithium battery according to the present utility model;
FIG. 3 is a schematic structural view of a liquid injection telescoping assembly in a manual liquid injection device for a cylindrical lithium battery according to the present utility model;
fig. 4 is a schematic structural view of a liquid injection expansion and contraction module with a fixing function in the present utility model.
Wherein, 1, an integral supporting component, 2, a liquid injection telescopic component, 3, a cylindrical lithium battery, 4, a bolt, 5, a handle, 6, a positioning hole, 7, a liquid outlet, 8, a limiting plate, 9 and a first round hole, 21, a liquid injection cup supporting frame, 22, a metering liquid injection cup, 23, a telescopic moving rod, 24, a pulley, 25, a pulley fixing frame, 26, a second round hole, 27, a third round hole, 28 and a fourth round hole.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The terms "mounted," "connected," "secured," and the like in the present utility model are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the two components can be directly connected, or indirectly connected through an intermediate medium, or internally connected or in interaction relation with each other; it will be understood by those of ordinary skill in the art that the foregoing terms are of a specific meaning in the present disclosure, and are not to be construed as limiting the present disclosure.
Aiming at the problems that the existing automatic and semi-automatic liquid injection machine is limited in compatible range and cannot be suitable for liquid injection procedures of various types of cylindrical lithium batteries, the utility model discloses a manual liquid injection device for cylindrical lithium batteries, which comprises an integral support assembly 1, a liquid injection telescopic assembly 2 and a battery positioning assembly as shown in fig. 1. The integral supporting component 1 is of a hollow cuboid structure without a top surface, as shown in fig. 2, the structure is divided into two parts, namely a sliding part and a fixed part, the liquid injection telescopic component 2 is arranged on the sliding part, and the battery positioning component is arranged on the fixed part. The top surfaces of the two sides of the integral support assembly 1 are symmetrically provided with a plurality of positioning holes 6, and the side surfaces of the two sides of the integral support assembly 1 are symmetrically and fixedly provided with handles 5, so that the manual liquid injection device and the manual liquid injection operation can be conveniently moved.
The battery locating component comprises two identical limiting plates 8, each limiting plate 8 is a convex plate, the convex parts of the convex plates are just vertically embedded into the fixing parts of the integral supporting component 1, the two ends of each convex plate are short sheets, first round holes 9 are formed in the short sheets, the first round holes 9 are matched with the locating holes 6, the first round holes 9 are fixedly connected with the locating holes 6 through bolts 4, namely, the first round holes 9 are fixedly connected with the locating holes 6 through bolts, so that the limiting plates 8 are fixedly installed inside the integral supporting component 1, and further, cylindrical lithium batteries with corresponding sizes are fixed through the two limiting plates 8.
Further, the spacing between the plurality of locating holes on the same side is different, and the spacing is set according to the diameters of the cylindrical lithium batteries of different models.
Specifically, according to the cylindrical lithium batteries with different sizes, two limiting plates 8 are fixed through corresponding positioning holes, and the two limiting plates 8 are fixed through bolts, so that the cylindrical lithium batteries placed between the two limiting plates 8 are fixed, and compatibility of the cylindrical lithium batteries with different models and different sizes is realized. In this embodiment, the battery positioning assembly is compatible with, but not limited to, cylindrical lithium batteries of the mainstream model numbers 18650, 21700, 4695.
As shown in fig. 3, the liquid injection telescopic assembly 2 comprises a liquid injection cup supporting frame 21, a telescopic moving rod 23 and a pulley fixing frame 25 which are sequentially connected. The pouring cup supporting frame 21 is a T-shaped rod, a plurality of placing holes (3 placing holes are formed in the cross rod of the T-shaped rod) are formed in the cross rod of the T-shaped rod, the placing holes are used for placing the metering pouring cup 22, the metering pouring cup 22 is of a hollow cylinder structure matched with the placing holes, the bottom of the structure is of an inverted conical structure, the top end of the inverted conical structure is a cup mouth of the metering pouring cup 23, and in addition, the metering pouring cup 22 is locked in the placing holes in the pouring cup supporting frame 21 through jackscrews so as to avoid movement of the metering pouring cup 22; the inside cavity of montant of T type pole, flexible movable rod 23 is L type pole, and the inside of montant of this L type pole is stretched into to the one end of this L type pole to this front and back flexible of realizing annotating liquid cup support frame 21 and measurement annotating liquid cup 22.
The pulley fixing frame 25 includes a 4-direction pulley bracket for fixing the pulley 24 and sliding the pulley 24 in the same direction, and the 4-direction pulley bracket is provided to facilitate stable sliding.
The pulley fixing frame 25 further comprises a hollow upright rod vertically and rotatably connected with the pulley support in the 4 direction, and sliding in any direction is realized through rotating the pulley support in the 4 direction, so that the operation is convenient.
As another embodiment, the pulley fixing frame 25 further includes a hollow upright rod vertically connected to the 4-direction pulley support, and the hollow upright rod is fixed relative to the 4-direction pulley support, so that the liquid injection telescopic assembly 2 is conveniently placed on the sliding portion, and only the sliding in the horizontal direction is realized.
Further, the other end of the L-shaped rod extends into the hollow upright rod, so as to realize up-and-down movement and extension of the metering and liquid-injecting cup 22.
As another implementation mode, as shown in FIG. 4, the liquid injection telescopic assembly has a fixing function, two ends of the L-shaped rod are respectively provided with a plurality of second round holes 26 with the same size in sequence, the tail end of a vertical rod of the T-shaped rod is provided with a third round hole 27 matched with the second round hole 26, the top end of the hollow vertical rod is provided with a fourth round hole 28 matched with the second round hole 26, and the second round hole and the third round hole, the second round hole and the fourth round hole are fixedly connected through bolts, so that the fixed connection of the liquid injection cup support frame 21, the telescopic moving rod 23, the movable telescopic rod 23 and the pulley fixing frame 25 is realized, and the stability of the liquid injection telescopic assembly 2 is enhanced.
Through the setting of the flexible subassembly 2 of annotating liquid, the position of the measurement annotating liquid cup 22 of placing in the hole of placing of adjustment annotating liquid cup support frame 21 for the cup mouth of measurement annotating liquid cup 22 inserts in the annotating liquid mouth of the fixed cylinder lithium cell in the battery positioning assembly, is convenient for follow-up notes liquid operation.
Further, the metering and filling cup 22 is a filling cup with a scale range, as shown in fig. 2, and the metering and filling cup 22 is a filling cup with a scale 1, a scale 2 and a scale 3. The scale is arranged to directly indicate the volume of the electrolyte in the electrolyte injection cup, the electrolyte does not need to be weighed before the electrolyte is injected in the actual operation process, the volume of the electrolyte needing to be injected can be calculated according to the density of the electrolyte and the weight of the electrolyte needing to be injected, and the electrolyte with the corresponding volume is directly poured into the metering electrolyte injection cup, so that the metering electrolyte injection cup is more efficient and convenient.
Further, be equipped with liquid outlet 7 on the bottom plate of fixed part in the whole supporting component 1, be convenient for clean the weeping that annotates liquid in-process and produce, maintenance efficiency is high, with low costs.
The specific working process of the utility model is as follows:
when in actual use, firstly, a plurality of (e.g. 3) cylindrical lithium batteries 3 with the same diameter and no liquid injection are sequentially and vertically placed on the fixed part of the integral support assembly 1 in sequence from left to right, a liquid injection port of the cylindrical lithium batteries 3 is upwards placed when the cylindrical lithium batteries 3 are placed, the cylindrical lithium batteries 3 without liquid injection are vertically placed between two limiting plates 8, the distance between the two limiting plates 8 is adjusted, the two limiting plates 8 can clamp a plurality of cylindrical lithium batteries, and the battery positioning assembly and the integral support assembly 1 and the cylindrical lithium batteries 3 without liquid injection are fixed through first round holes 9 at the two ends of the limiting plates 8 and positioning holes 6 at the top surfaces of the two side edges of the integral support assembly 1 which are fixed by bolts;
then, adjusting the liquid injection telescopic assembly 2, and enabling the mouths of a plurality of metering liquid injection cups 22 placed on the liquid injection cup support frame 21 to be respectively inserted into liquid injection ports of a plurality of cylindrical lithium batteries 3 fixed in the battery positioning assembly by adjusting the liquid injection cup support frame 21, the telescopic moving rod 23 and the pulley fixing frame 25 in the liquid injection telescopic assembly 2, and fixing the liquid injection cup support frame 21 and the telescopic moving rod 23, and the pulley fixing frame 25 through bolts after adjustment;
according to the density of the electrolyte and the weight of the electrolyte to be injected, calculating the volume of the electrolyte to be injected, and directly pouring the electrolyte with the corresponding volume into a plurality of metering injection cups 22 respectively;
then, the device of the utility model is placed into a vacuum box of a laboratory to be absorbed by both hands with the handle 5, and after electrolyte in a plurality of metering and filling cups 22 is completely absorbed, the device of the utility model is taken out, and then the cylindrical lithium battery is taken out.
The device has the advantages of simple structure, low manufacturing cost, convenient operation and low maintenance cost. The cylindrical lithium battery 3 without liquid injection is placed in a battery positioning assembly, the limiting plates 8 are adjusted, and after the cylindrical lithium battery is fixed, liquid injection is carried out by aligning the cup mouth of the metering liquid injection cup 22 with a metering function in the liquid injection port of the cylindrical lithium battery between the two limiting plates 8. The device disclosed by the utility model can meet the research and development requirements of battery products of any size, greatly reduces the development cost and shortens the development period.
While the foregoing description of the embodiments of the present utility model has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the utility model, but rather, it is intended to cover all modifications or variations within the scope of the utility model as defined by the claims of the present utility model.
Claims (10)
1. The manual liquid injection device for the cylindrical lithium battery is characterized by comprising an integral supporting component, a liquid injection telescopic component and a battery positioning component; the integral support assembly is of a hollow cuboid structure without a top surface, and the inside of the structure is divided into a sliding part and a fixed part;
the battery positioning assembly comprises two identical limiting plates, wherein the limiting plates are vertically embedded into the fixed parts of the integral supporting assembly, first round holes are formed in the two ends of the limiting plates, and the first round holes are fixedly connected with the positioning holes through bolts;
the liquid injection telescopic assembly is arranged on the sliding part and comprises a liquid injection cup supporting frame, a metering liquid injection cup is placed on the liquid injection cup supporting frame, and a cup mouth of the metering liquid injection cup is inserted into a liquid injection port of a fixed cylindrical lithium battery without liquid injection in the battery positioning assembly.
2. The manual liquid injection device for a cylindrical lithium battery according to claim 1, wherein the limiting plate is a convex plate, and the convex part of the convex plate is vertically embedded into the fixed part of the integral support assembly; the two ends of the convex plate are short sheets, and the short sheets are provided with first round holes.
3. The manual liquid injection device for cylindrical lithium batteries according to claim 1, wherein the plurality of positioning holes formed in the top surface of the same side of the integral support assembly are different in interval, and the interval is set according to the diameters of the cylindrical lithium batteries of different types.
4. The manual liquid injection device for the cylindrical lithium battery according to claim 1, wherein the liquid injection cup support frame is a T-shaped rod, a plurality of placing holes are formed in a cross rod of the T-shaped rod, the placing holes are used for placing the metering liquid injection cup, and the inside of a vertical rod of the T-shaped rod is hollow.
5. The manual liquid injection device for a cylindrical lithium battery according to claim 4, wherein the liquid metering and injection cup is of a hollow cylindrical structure matched with the placement hole, the bottom of the hollow cylindrical structure is of an inverted conical structure, and the top end of the inverted conical structure is a cup mouth of the liquid metering and injection cup.
6. The manual priming device for a cylindrical lithium battery of claim 4, wherein the metering and priming cup is locked into a placement hole on the priming cup support frame by a jackscrew.
7. The manual liquid injection device for a cylindrical lithium battery according to claim 4, wherein the liquid injection telescopic assembly further comprises a telescopic moving rod and a pulley fixing frame which are sequentially connected with the liquid injection cup supporting frame;
the telescopic moving rod is an L-shaped rod, and one end of the L-shaped rod extends into the vertical rod of the T-shaped rod.
8. The manual priming device for a cylindrical lithium battery of claim 7, wherein said pulley mount comprises a 4-way pulley mount, said 4-way pulley mount for mounting 4 pulleys and sliding said 4 pulleys in the same direction;
the pulley fixing frame further comprises a hollow vertical rod vertically connected with the 4-direction pulley support.
9. The manual priming device for a cylindrical lithium battery according to claim 8, wherein the other end of the L-shaped rod extends into the hollow upright.
10. The manual liquid injection device for the cylindrical lithium battery according to claim 8, wherein a plurality of second round holes with the same size are respectively arranged at two ends of the L-shaped rod in sequence, a third round hole matched with the second round hole is arranged at the tail end of the vertical rod of the T-shaped rod, a fourth round hole matched with the second round hole is arranged at the top end of the hollow vertical rod, and the second round hole, the third round hole, the second round hole and the fourth round hole are fixedly connected through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320955731.6U CN220066061U (en) | 2023-04-24 | 2023-04-24 | Manual priming device of cylinder lithium cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320955731.6U CN220066061U (en) | 2023-04-24 | 2023-04-24 | Manual priming device of cylinder lithium cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220066061U true CN220066061U (en) | 2023-11-21 |
Family
ID=88754544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320955731.6U Active CN220066061U (en) | 2023-04-24 | 2023-04-24 | Manual priming device of cylinder lithium cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220066061U (en) |
-
2023
- 2023-04-24 CN CN202320955731.6U patent/CN220066061U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211866725U (en) | High-speed steel pipe cutting device | |
| CN220066061U (en) | Manual priming device of cylinder lithium cell | |
| CN219534837U (en) | Soft package liquid injection equipment for polymer lithium battery production | |
| CN213717031U (en) | Square lithium cell pinhole priming device | |
| CN209232874U (en) | A kind of column type Li-ion cell filling fixture | |
| CN220456609U (en) | Lithium ion battery electrolyte filling equipment | |
| CN209402369U (en) | New energy rotor automatic assembling apparatus | |
| CN112310489B (en) | Lead-acid storage battery repairing method | |
| CN219902346U (en) | Plate grooving device | |
| CN212885963U (en) | Welding tool | |
| CN215896644U (en) | Positive displacement full-automatic vacuum liquid injection machine | |
| CN219759917U (en) | Battery priming device | |
| CN216213636U (en) | Liquid and glue injection device of polymer battery | |
| CN220318019U (en) | Surface treatment device for plastic electroplating | |
| CN220613066U (en) | Adjustable metal cutter clamping device | |
| CN219212055U (en) | Intelligent welding station of digital twin robot | |
| CN208779076U (en) | A kind of fixed device of lift things-internet gateway easy to repair | |
| CN215659810U (en) | Accurate positioning device for new energy lithium battery steel shell | |
| CN220172336U (en) | Liquid filling device for lead-acid storage battery | |
| CN218710951U (en) | A stores pylon structure for auto parts electrophoresis | |
| CN220272709U (en) | 18650 lithium cell annotates instrument that liquid balance dialling block was used | |
| CN216608685U (en) | Battery compartment clamping device is used in electric scooter processing | |
| CN217799439U (en) | Motorcycle large hole thread tapping machine | |
| CN220628758U (en) | Built-in straining device's cable bridge for communication engineering | |
| CN212144908U (en) | Controller plug-in components auxiliary fixtures |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |