CN216671727U - Clamp and chemical composition and capacity grading equipment with same - Google Patents
Clamp and chemical composition and capacity grading equipment with same Download PDFInfo
- Publication number
- CN216671727U CN216671727U CN202122784863.0U CN202122784863U CN216671727U CN 216671727 U CN216671727 U CN 216671727U CN 202122784863 U CN202122784863 U CN 202122784863U CN 216671727 U CN216671727 U CN 216671727U
- Authority
- CN
- China
- Prior art keywords
- cover plate
- clamp
- buckling
- lock frame
- fastener
- 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
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a clamp and chemical composition capacity grading equipment with the same, belonging to the technical field of battery clamps, wherein the clamp comprises: the first cover plate is provided with two groups of movable first buckling pieces which are oppositely arranged at intervals; the battery cover comprises a second cover plate, a pair of lock frames and a pair of first buckling pieces, wherein the second cover plate is provided with an installation position for placing a battery, two sides of the installation position are respectively provided with a pair of lock frames hinged with the second cover plate, each lock frame is provided with a second buckling piece, and the first buckling pieces are connected with the second buckling pieces in a buckling mode; the pressing assembly is connected with the second cover plate at one end and connected with the other end of the pressing assembly, the lock frame can rotate relative to the second cover plate, and the pressing assembly is used for enabling the lock frame to be automatically reset to be attached to the second cover plate. According to the clamp disclosed by the utility model, the convenience of mounting and dismounting the battery is improved, so that the effect of saving manpower and time is achieved.
Description
Technical Field
The utility model relates to the technical field of battery clamps, in particular to a clamp and a formation and capacity grading device with the same.
Background
Before the lithium ion battery leaves a factory, chemical conversion and capacity grading detection are usually carried out, and in the battery cycle, particularly in the first charging and discharging process, a large amount of gas can be generated due to the fact that the anode and the cathode can generate side reactions with different degrees with electrolyte, and the gas can block an ion transport channel, so that the electrical property is reduced. Therefore, before testing, the pole piece needs to be clamped by a clamping plate, so that the pole piece is in full contact with the electrolyte to ensure the capacity to be exerted.
Present lithium ion battery anchor clamps are mostly fixing bolt structure, and in the in-service use process, on the one hand because splint are equipped with a plurality of bolts, this dismantlement and the installation to splint cause very big inconvenience, on the other hand, bolt rigidity, and this makes splint higher to the requirement of battery size, has reduced the suitability of splint.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the clamp provided by the utility model improves the convenience of mounting and dismounting the battery, thereby achieving the effect of saving labor and time.
The utility model also provides chemical composition and capacity grading equipment which can simplify the fixation and the disassembly of the battery in the clamp and improve the efficiency.
According to an embodiment of the utility model, the clamp comprises: the first cover plate is provided with two groups of movable first buckling pieces which are oppositely arranged at intervals; the battery cover comprises a second cover plate, a pair of lock frames and a pair of first buckling pieces, wherein the second cover plate is provided with an installation position for placing a battery, two sides of the installation position are respectively provided with a pair of lock frames hinged with the second cover plate, each lock frame is provided with a second buckling piece, and the first buckling pieces are connected with the second buckling pieces in a buckling mode; the pressing assembly is connected with the second cover plate at one end and connected with the other end of the pressing assembly, the lock frame can rotate relative to the second cover plate, and the pressing assembly is used for enabling the lock frame to be automatically reset to be attached to the second cover plate.
For unfolding, a set of first fasteners includes at least one first fastener, and the lithium cell of different sizes is placed on the installation position, and first fastener can move on first apron and make first fastener can adjust the position distribution condition of the power that applies on first apron thereby adjust the position distribution condition of power on the lithium cell to can make first apron and second apron can press the lithium cell tighter. The pressing assembly can press the lock frame onto the second cover plate, when the first cover plate and the second cover plate are installed, an operator can break the lock frame off with the fingers and thumb to lock the first buckling piece and the second buckling piece, the operator loosens the lock frame, and the pressing device presses the lock frame onto the second cover plate, so that the lithium battery cannot be loosened from the space between the first cover plate and the second cover plate.
According to the clamp provided by the embodiment of the utility model, the first buckling piece which is movable relative to the first cover plate is arranged on the first cover plate and is connected with the second buckling piece on the second cover plate in a buckling manner, and meanwhile, the locking frame can be compressed by the compressing assembly, so that the effect of drawing the first buckling piece is achieved, the first cover plate is further compressed, the lithium battery is prevented from loosening, the disassembly and the assembly are convenient, and the manpower and material resources are saved.
According to the clamp disclosed by the embodiment of the utility model, the first fastener can rotate relative to the first cover plate, the second fastener can move on the lock frame, and the distance between the two second fasteners can be adjusted. For the lithium batteries with different thicknesses, the distance between the first cover plate and the second cover plate is different, the first buckling piece can rotate relative to the first cover plate, so that after the first buckling piece is connected with the second buckling piece in a buckling mode, according to the lithium batteries with different thicknesses, the first buckling piece can rotate adaptively to adjust the distance between the first cover plate and the second cover plate, so that the lithium batteries with different thicknesses can be adapted, and the adaptability of the clamp is improved.
The clamp according to the embodiment of the utility model further comprises: two formula hinges, the one end and the second apron of hinge are connected, and the other end and the lock frame of hinge are connected. The hinged connection of the lock frame to the second cover plate can thereby be realized.
Optionally, the pressing assembly comprises a core shaft and a torsion spring, the core shaft is fixed on the hinge, the core shaft is sleeved with the torsion spring, one end of the torsion spring is connected with the hinge, and the other end of the torsion spring is connected with the second cover plate, so that the locking frame can be pressed on the second cover plate.
According to the clamp provided by the embodiment of the utility model, the first cover plate is provided with two spaced slide rails, one group of first buckling pieces corresponds to one slide rail, one end of each first buckling piece, which is far away from the second buckling piece, is provided with the universal wheel, and the universal wheel is movably clamped in the slide rail.
Optionally, a stop piece is arranged on the universal wheel, after the first buckling piece is adjusted to a proper fixed position according to lithium batteries of different sizes, the universal wheel can be locked through the stop piece, the universal wheel is prevented from sliding along the sliding rail, the subsequent lithium batteries of the same specification can be directly placed on the installation position, the first buckling piece does not need to be continuously adjusted, the operation efficiency is improved, and the working hours are saved.
Optionally, be equipped with two at least first buckles on every slide rail, so can make first buckle compress tightly the lithium cell from the length direction's of lithium cell both ends to make first apron and second apron press the lithium cell tighter, further prevent that the lithium cell from loosening from the installation position.
According to the clamp disclosed by the embodiment of the utility model, the first buckling piece is the clamping hook, and the second buckling piece is the locking rod, so that the structures of the first buckling piece and the second buckling piece can be simplified, and the production cost of the clamp is saved.
According to the clamp provided by the embodiment of the utility model, the lock frame is provided with a row of first clamping holes and a row of second clamping holes which are opposite, the second buckling piece is arranged in one first clamping hole and one second clamping hole in a penetrating manner, the second buckling piece is further sleeved with two stop pieces, and the two stop pieces are positioned on the outer sides of the first clamping holes and the second clamping holes. The central axis of first card hole and the central axis collineation in relative second card hole, a position is confirmed in a first card hole or a second card hole, and the second buckle piece can be through wearing to locate in the different first card holes and adjusting the interval between two second buckle pieces to make first apron and second apron can be adapted to not unidimensional lithium cell, increase the suitability of anchor clamps.
Optionally, the second fastening hole is a threaded hole, and the second fastening piece is provided with an external thread matched with the threaded hole, so that the second fastening piece can be prevented from rotating in the second fastening hole and the first fastening hole after being mounted in place, and the second fastening piece and the first fastening piece are prevented from loosening and loosening, and meanwhile, the first fastening piece is prevented from shaking, so that the reliability of the clamp is improved.
The chemical component capacity equipment comprises the clamp.
According to the chemical composition and capacity grading equipment disclosed by the embodiment of the utility model, the process of mounting and dismounting the lithium battery in the clamp can be shortened, meanwhile, the clamp can be suitable for lithium batteries with different sizes, and the universality is strong.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
FIG. 1 is an exploded view of an embodiment of the present invention;
fig. 2 is an enlarged view of a point a in fig. 1.
Description of the drawings:
the clamping device (1) is provided with a clamping device,
a first cover plate 10, a first fastener 11, a slide rail 12
The second cover plate 20, the lock frame 21, the second locking hole 212, the second fastener 22, the stopper 222,
a pressing assembly 30, a mandrel 31, a torsion spring 32, a hinge 40,
and a battery 2.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1, a clip 1 according to an embodiment of the present invention includes: the structure comprises a first cover plate 10, wherein two groups of movable first buckling pieces 11 are arranged on the first cover plate 10, and the two groups of first buckling pieces 11 are arranged oppositely at intervals; a second cover plate 20, wherein the second cover plate 20 is provided with an installation position for placing the battery 2, two sides of the installation position are respectively provided with a pair of lock frames 21 hinged with the second cover plate 20, each lock frame 21 is provided with a second buckling piece 22, and the first buckling piece 11 is connected with the second buckling pieces 22 in a buckling manner; compress tightly subassembly 30, the one end that compresses tightly subassembly 30 is connected with second apron 20, and the other end that compresses tightly subassembly 30 is connected with lock frame 21, and lock frame 21 can rotate for second apron 20, compresses tightly subassembly 30 and is used for making lock frame 21 automatic re-setting to laminating with second apron 20.
For unfolding, the set of first fasteners 11 includes at least one first fastener 11, the lithium batteries 2 with different sizes are placed on the installation position, and the first fastener 11 is movable on the first cover plate 10 so that the first fastener 11 can adjust the position distribution of the force applied to the first cover plate 10, thereby adjusting the position distribution of the force on the lithium battery 2, and thus the first cover plate 10 and the second cover plate 20 can press the lithium batteries 2 more tightly. The pressing assembly 30 can press the lock frame 21 onto the second cover plate 20, when the first cover plate 10 and the second cover plate 20 are installed, an operator can snap the lock frame 21 to fasten the first fastening member 11 and the second fastening member 22, the operator loosens the lock frame, and the pressing device presses the lock frame 21 onto the second cover plate 20, so that the lithium battery 2 cannot be loosened from the space between the first cover plate 10 and the second cover plate 20.
The process of installing the lithium battery 2 in the jig 1 is as follows: the lithium battery 2 is placed on the installation position, an operator breaks the lock frame 21 off, the first buckling piece 11 and the second buckling piece 22 on the first cover plate 10 are buckled in place, the operator loosens the lock frame 21, and the pressing assembly 30 presses the lock frame 21 tightly, so that the effect of drawing the first buckling piece 11 is achieved, the first cover plate 10 is firmly buckled on the second cover plate 20, and the lithium battery 2 is tightly clamped in the first cover plate 10 and the second cover plate 20.
The process of disassembling the lithium battery 2 in the jig 1 is as follows: an operator only needs to break the lock frame 21 off, release the first fastener 11 and the second fastener 22, move the first cover plate 10 away, and take out the lithium battery 2 from the installation position.
According to the clamp 1 provided by the embodiment of the utility model, the first buckling piece 11 which is movable relative to the first cover plate 10 is arranged on the first cover plate 10 and is in buckling connection with the second buckling piece 22 on the second cover plate 20, and meanwhile, the pressing component 30 can press the lock frame 21, so that the effect of pulling the first buckling piece 11 is achieved, the first cover plate 10 is further pressed, the lithium battery 2 is prevented from loosening, the assembly and disassembly are convenient, and manpower and material resources are saved.
According to the clip 1 of the embodiment of the present invention, the first fastener 11 can rotate relative to the first cover 10, the second fastener 22 can move on the lock frame 21, and the distance between the two second fasteners 22 can be adjusted. For lithium batteries 2 with different thicknesses, the distance between the first cover plate 10 and the second cover plate 20 is different, the first buckling part 11 can rotate relative to the first cover plate 10, so that after the first buckling part 11 is buckled and connected with the second buckling part 22, according to the lithium batteries 2 with different thicknesses, the distance between the two second buckling parts 22 can be adjusted, the first buckling part 11 can adaptively rotate to adjust the distance between the first cover plate 10 and the second cover plate 20, so as to adapt to the lithium batteries 2 with different thicknesses, and therefore the adaptability of the clamp 1 is improved.
As shown in fig. 1, the clip 1 according to the embodiment of the present invention further includes: and the two-fold hinge 40 is provided, one end of the hinge 40 is connected with the second cover plate 20, and the other end of the hinge 40 is connected with the lock frame 21. A hinged connection of the lock frame 21 to the second cover 20 is thereby possible.
As shown in fig. 1, optionally, the pressing assembly 30 includes a core shaft 31 and a torsion spring 32, the core shaft 31 is fixed to the hinge 40, the torsion spring 32 is sleeved on the core shaft 31, one end of the torsion spring 32 is connected to the hinge 40, and the other end of the torsion spring 32 is connected to the second cover plate 20, so that the lock frame 21 can be pressed onto the second cover plate 20, when the first cover plate 10 and the second cover plate 20 are mounted, an operator can break the lock frame 21 to snap the first fastener 11 and the second fastener 22, and then the operator releases the lock frame, and the torsion spring 32 presses the lock frame 21 onto the second cover plate 20, so that the lithium battery 2 cannot be loosened from between the first cover plate 10 and the second cover plate 20.
As shown in fig. 1, according to the clip 1 of the embodiment of the present invention, two spaced slide rails 12 are disposed on the first cover plate 10, one set of the first fasteners 11 corresponds to one slide rail 12, and one end of the first fastener 11 away from the second fastener 22 is provided with a universal wheel, which is movably clamped in the slide rail 12, so that the first fastener 11 can slide along the slide rail 12, and can also rotate in the slide rail 12 through the universal wheel, thereby enabling the first fastener 11 to move relative to the first cover plate 10 and rotate relative to the first cover plate 10.
Optionally, two slide rails 12 are parallel, and because the shape of the lithium battery 2 is regular, two slide rails 12 are parallel, so that the buckling connection relationship between the first cover plate 10 and the second cover plate 20 can be simplified, and the lithium battery 2 on the installation position is not easy to loosen.
Optionally, a stopper is arranged on the universal wheel, and after the first buckling piece 11 is adjusted to a proper fixed position according to the lithium batteries 2 of different sizes, the universal wheel can be locked through the stopper, so that the universal wheel is prevented from sliding along the sliding rail 12, and the subsequent lithium batteries 2 of the same specification can be directly placed on the installation position without continuously adjusting the first buckling piece 11, thereby improving the operation efficiency and saving the working hours.
As shown in fig. 1, optionally, at least two first fasteners 11 are disposed on each sliding rail 12, so that the first fasteners 11 can press the lithium battery 2 from two ends of the lithium battery 2 in the length direction, and the first cover plate 10 and the second cover plate 20 press the lithium battery 2 more tightly, thereby further preventing the lithium battery 2 from loosening from the installation position.
According to the clip 1 of the embodiment of the utility model, the first fastener 11 is a hook, and the second fastener 22 is a lock bar, so that the structures of the first fastener 11 and the second fastener 22 can be simplified, and the production cost of the clip 1 can be saved.
As shown in fig. 1 and fig. 2, according to the clip 1 of the embodiment of the present invention, the lock frame 21 is provided with a row of first locking holes and a row of second locking holes 212 opposite to each other, the second fastening member 22 is inserted into one of the first locking holes and one of the second locking holes 212, the second fastening member 22 is further sleeved with two stoppers 222, and the two stoppers 222 are located outside the first locking holes and the second locking holes 212. The central axis of the first fastening hole is collinear with the central axis of the second fastening hole 212, one first fastening hole or one second fastening hole 212 determines a position, and the second fastening member 22 can be arranged in different first fastening holes in a penetrating manner to adjust the distance between the two second fastening members 22, so that the first cover plate 10 and the second cover plate 20 can be adapted to lithium batteries 2 with different sizes, and the applicability of the clamp 1 is improved.
Optionally, second fastener hole 212 is a threaded hole, and second fastener 22 is provided with an external thread matching with the threaded hole, so that second fastener 22 can be prevented from rotating in second fastener hole 212 and the first fastener hole after second fastener 22 is mounted in place, and thus second fastener 22 and first fastener 21 are prevented from loosening, and first fastener 21 is prevented from shaking, so that reliability of fixture 1 is improved.
The chemical component capacity equipment comprises the clamp 1.
According to the chemical composition and capacity grading equipment provided by the embodiment of the utility model, the process of mounting and dismounting the lithium battery 2 in the clamp 1 can be shortened, meanwhile, the clamp 1 can be suitable for lithium batteries 2 with different sizes, and the universality is strong.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Claims (11)
1. A clamp, comprising:
the first cover plate is provided with two groups of movable first buckling pieces, and the two groups of first buckling pieces are arranged oppositely at intervals;
the battery cover comprises a second cover plate, a pair of lock frames and a pair of first buckling pieces, wherein the second cover plate is provided with an installation position for placing a battery, two sides of the installation position are respectively provided with a pair of lock frames hinged with the second cover plate, each lock frame is provided with a second buckling piece, and the first buckling pieces are connected with the second buckling pieces in a buckling mode;
the pressing assembly, the one end of pressing the subassembly with the second apron is connected, the other end that compresses tightly the subassembly is connected with the lock frame, the lock frame can for the second apron rotates, the pressing assembly is used for making the lock frame automatic re-setting extremely with the laminating of second apron.
2. The clip of claim 1, wherein the first fastener is rotatable relative to the first cover plate, the second fastener is movable on the lock frame, and a distance between the two second fasteners is adjustable.
3. The clamp of claim 2, further comprising: and one end of the hinge is connected with the second cover plate, and the other end of the hinge is connected with the lock frame.
4. The clamp of claim 3, wherein the compression assembly comprises a mandrel and a torsion spring, the mandrel is fixed on the hinge, the torsion spring is sleeved on the mandrel, one end of the torsion spring is connected with the hinge, and the other end of the torsion spring is connected with the second cover plate.
5. The clip of claim 2, wherein the first cover plate has two spaced slide rails, one set of the first fasteners corresponds to one of the slide rails, and the first fasteners have universal wheels at an end thereof remote from the second fasteners, the universal wheels being movably engaged with the slide rails.
6. The clamp of claim 5, wherein the universal wheel is provided with a stop.
7. The clip of claim 5, wherein each of the slide rails has at least two first fasteners thereon.
8. The clip of claim 2, wherein the first fastening component is a hook and the second fastening component is a latch bar.
9. The clip of claim 8, wherein the locking frame has a row of first locking holes and a row of second locking holes opposite to each other, the second fastener is inserted into one of the first locking holes and one of the second locking holes, and the second fastener is further sleeved with two stoppers that are located outside the first locking holes and the second locking holes.
10. The clamp of claim 9, wherein the second locking hole is a threaded hole, and the locking rod is provided with an external thread matching with the threaded hole.
11. A chemical compounding and dispensing apparatus comprising a jig according to any one of claims 1 to 10.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122784863.0U CN216671727U (en) | 2021-11-12 | 2021-11-12 | Clamp and chemical composition and capacity grading equipment with same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122784863.0U CN216671727U (en) | 2021-11-12 | 2021-11-12 | Clamp and chemical composition and capacity grading equipment with same |
Publications (1)
Publication Number | Publication Date |
---|---|
CN216671727U true CN216671727U (en) | 2022-06-03 |
Family
ID=81784195
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202122784863.0U Active CN216671727U (en) | 2021-11-12 | 2021-11-12 | Clamp and chemical composition and capacity grading equipment with same |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN216671727U (en) |
-
2021
- 2021-11-12 CN CN202122784863.0U patent/CN216671727U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPH1197054A (en) | Fastening structure and method of layered body | |
CN216671727U (en) | Clamp and chemical composition and capacity grading equipment with same | |
CN210371476U (en) | Staple bolt and turn-buckle | |
CN219267825U (en) | Battery module restraint area and battery module | |
CN215414715U (en) | Tension machine clamp and test equipment for battery module | |
CN213633746U (en) | Electricity core extrusion frock | |
CN212085105U (en) | Battery module | |
CN209943266U (en) | Complete set of hoop | |
CN212845805U (en) | Fuel cell voltage monitoring device | |
CN219552474U (en) | Clamp for soft package battery charge and discharge test | |
CN212113828U (en) | Battery module | |
CN220279420U (en) | Clamp for battery test | |
CN217564717U (en) | Bird repellent device of centre gripping installation | |
CN219599260U (en) | Battery clamp and battery clamp station | |
CN221379971U (en) | Photovoltaic cable cuts, peels and rivets and twist all-in-one | |
CN221226404U (en) | Battery module support and battery module | |
CN115430973A (en) | Welding fixture | |
CN211086364U (en) | Laminate polymer battery detects anchor clamps | |
CN219485471U (en) | Formation device | |
CN217158252U (en) | Fastening structure of fuel cell stack | |
CN221747314U (en) | Lithium ion battery chemical composition frock | |
CN219850569U (en) | Ultrasonic transducer buckle device | |
CN221860495U (en) | Battery test fixture | |
CN213258062U (en) | Nut tightening machine for tubular pile steel die | |
CN219350415U (en) | Metal-air battery monomer and metal-air battery stack |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |