CN113500536A - Clamping device for lithium battery observation - Google Patents
Clamping device for lithium battery observation Download PDFInfo
- Publication number
- CN113500536A CN113500536A CN202110429380.0A CN202110429380A CN113500536A CN 113500536 A CN113500536 A CN 113500536A CN 202110429380 A CN202110429380 A CN 202110429380A CN 113500536 A CN113500536 A CN 113500536A
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- China
- Prior art keywords
- connecting rod
- clamping
- lithium battery
- base
- clamping device
- 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.)
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Links
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 47
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 230000006872 improvement Effects 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Secondary Cells (AREA)
- Clamps And Clips (AREA)
Abstract
The invention provides a clamping device for lithium battery observation, which comprises a clamping base, wherein a placing cavity is formed in the clamping base; the lithium battery clamping device comprises two first clamping mechanisms, wherein the two first clamping mechanisms are symmetrically positioned in a placing cavity and are used for clamping and positioning the lithium battery shell; the lithium battery positioning device comprises a support rod, a third connecting rod, a second connecting rod, a first connecting rod and a fastening plate, wherein the support rod is arranged on the support rod, the third connecting rod is arranged on the support rod, the first connecting rod is arranged on the support rod, the second connecting rod is arranged on the second connecting rod, and the fastening plate is arranged on the support rod.
Description
Technical Field
One or more embodiments of this description relate to lithium cell processing equipment field, especially relate to a clamping device for lithium cell is observed.
Background
A "lithium battery" is a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material. Lithium metal batteries were first proposed and studied by Gilbert n.lewis in 1912. In the 70 s of the 20 th century, m.s.whitetingham proposed and began to study lithium ion batteries. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. With the development of scientific technology, lithium batteries have become the mainstream. Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. The fifth generation of rechargeable batteries, lithium metal batteries, was born in 1996, and the safety, specific capacity, self-discharge rate and cost performance of rechargeable batteries were all superior to those of lithium ion batteries. Due to its own high technical requirement limits, only a few countries of companies are producing such lithium metal batteries.
Need observe the detection among the prior art in the lithium cell production process, observing the in-process that detects, need fix a position the lithium cell, but traditional locate mode utilizes cylinder or clamping jaw to fix a position, need utilize the electric energy, and causes the damage to the lithium cell easily, to sum up, this application now provides a lithium cell and observes and use latch device to solve the problem that the aforesaid appears.
Disclosure of Invention
In view of the above, an object of one or more embodiments of the present disclosure is to provide a clamping device for lithium battery observation, so as to solve the problems in the background art.
Based on the above purpose, one or more embodiments of the present specification provide a clamping device for lithium battery observation, including a clamping base, where a placing cavity is formed on the clamping base; including two first clamping mechanism, two first clamping mechanism symmetrical positions are placed inside the cavity, and are used for carrying out the joint location to lithium battery case.
Preferably, first clamping mechanism includes spout, slider, pressure boost spring, connecting rod, splint and torsional spring, the cavity inner wall of placing of joint base has seted up the spout, slider sliding connection is inside the spout, pressure boost spring's one end is connected at the inner wall of placing the cavity, and the other end and slider zonulae occludens, connecting rod and slider fixed connection, splint rotate through the hank axle and connect on the connecting rod, the both ends difference zonulae occludens of torsional spring are on connecting rod and splint, and the torsional spring cover locates hank axle annular side, and torsional spring inner wall and hank axle's annular side zonulae occludens.
More preferably, the splint is formed by fixedly connecting two straight rods and is arranged in a shape that the downward direction and the horizontal plane form a certain included angle.
More preferably, the inner end of the clamping plate is wrapped with a rubber cushion.
Preferably, still include second latch mechanism, second latch mechanism is including placing base and two joint subassemblies, it is located to place the cavity inside by the lower part position to place the base, two joint subassemblies symmetric connection are in placing the base bottom.
More preferably, the joint subassembly includes bracing piece, third connecting rod, second connecting rod, first connecting rod and mounting plate, the bracing piece with place base fixed connection, and bracing piece sliding connection is on the joint base, the third connecting rod rotates to be connected inside the joint base, and the one end of third connecting rod rotates with the bracing piece to be connected, the second connecting rod rotates to be connected inside the joint base, and the one end of second connecting rod rotates with the other end of third connecting rod to be connected, first connecting rod sliding connection is inside the joint base, and the one end of first connecting rod rotates with the other end of second connecting rod to be connected, and inside the cavity of placing that first connecting rod extends to the joint base, mounting plate and first connecting rod are located the inside one end fixed connection of placing the cavity.
More preferably, the rotation connection points of the third link and the second link are both at respective middle positions.
More preferably, the second fastening mechanism further includes a guide sleeve, and the guide sleeve is disposed inside the clamping base and sleeved outside the first connecting rod.
More preferably, a side face, close to the fastening plate, of the first connecting rod is provided with a containing cavity, the fastening plate is fixedly connected with the telescopic rod, and the telescopic rod extends to the inside of the containing cavity and is closely connected with the containing cavity through the telescopic spring.
More preferably, the surface of the clamping base is provided with a connector corresponding to the supporting rod, a pin shaft is movably connected inside the connector, the surface of the supporting rod is provided with a plurality of pin holes corresponding to the side faces of the pin shaft, and the supporting rod can be positioned through the matching of the pin shaft and the pin holes.
From the above, it can be seen that the beneficial effects of the present invention are: the lithium battery can be preliminarily positioned and clamped through the sliding groove, the sliding block, the pressurizing spring, the connecting rod, the clamping plate and the torsion spring; the lithium battery positioning device comprises a support rod, a third connecting rod, a second connecting rod, a first connecting rod and a fastening plate, wherein the support rod is arranged on the support rod, the third connecting rod is arranged on the support rod, the first connecting rod is arranged on the support rod, the second connecting rod is arranged on the second connecting rod, and the fastening plate is arranged on the support rod.
Drawings
In order to more clearly illustrate one or more embodiments or prior art solutions of the present specification, the drawings that are needed in the description of the embodiments or prior art will be briefly described below, and it is obvious that the drawings in the following description are only one or more embodiments of the present specification, and that other drawings may be obtained by those skilled in the art without inventive effort from these drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a first clamping mechanism according to the present invention;
FIG. 3 is a schematic structural view of a preferred embodiment of the present invention;
FIG. 4 is a schematic structural view of a second clamping mechanism according to the present invention;
fig. 5 is a schematic structural diagram of a preferred embodiment in fig. 4.
In the reference symbols: 1. clamping the base; 2. a first clamping mechanism; 3. placing the cavity; 4. a second clamping mechanism; 21. a chute; 22. a slider; 23. twisting a shaft; 24. a splint; 25. a torsion spring; 26. a connecting rod; 27. a pressurizing spring; 41. placing a base; 42. a clamping assembly; 421. a fastening plate; 422. a guide sleeve; 423. a first link; 424. a second link; 425. a third link; 426. a support bar; 427. a tension spring; 428. a telescopic rod.
Detailed Description
To make the objects, technical solutions and advantages of the present disclosure more apparent, the present disclosure is further described in detail below with reference to specific embodiments.
It is to be noted that unless otherwise defined, technical or scientific terms used in one or more embodiments of the present specification should have the ordinary meaning as understood by those of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in one or more embodiments of the specification is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Examples
Referring to fig. 1-5, a clamping device for lithium battery observation includes a clamping base 1, wherein a placing cavity 3 is formed on the clamping base 1; including two first latch mechanisms 2, two 2 symmetrical positions of first latch mechanisms are placed inside cavity 3, and are used for carrying out the joint location to lithium battery case.
As the improvement of above-mentioned scheme, first latch mechanism 2 includes spout 21, slider 22, pressure boost spring 27, connecting rod 26, splint 24 and torsional spring 25, joint base 1 place the 3 inner walls of cavity and seted up spout 21, slider 22 sliding connection is inside spout 21, the one end of pressure boost spring 27 is connected at the inner wall of placing cavity 3, and the other end and slider 22 zonulae occludens, connecting rod 26 and slider 22 fixed connection, splint 24 rotate through hank axle 23 and are connected on connecting rod 26, the both ends difference zonulae occludens of torsional spring 25 are on connecting rod 26 and splint 24, and the torsional spring 25 cover is located hank axle 23 annular side, and torsional spring 25 inner wall and hank axle 23 annular side zonulae occludens.
As an improvement of the scheme, the clamping plate 24 is formed by fixedly connecting two straight rods and is arranged in a shape of forming a certain included angle with the horizontal plane downwards.
As a modification of the above, the inner end of the clamping plate 24 is wrapped with a rubber cushion.
As the improvement scheme of the above scheme, still include second latch mechanism 4, second latch mechanism 4 is including placing base 41 and two joint subassemblies 42, it is located and places the cavity 3 inside and lean on the lower part position to place base 41, two joint subassemblies 42 symmetric connection are in placing base 41 bottom.
As a modification of the above, the clamping assembly 42 includes a support rod 426, a third link 425, a second link 424, a first link 423, and a fastening plate 421, the support rod 426 is fixedly connected to the placing base 41, the support rod 426 is connected to the clamping base 1 in a sliding manner, the third connecting rod 425 is connected to the inside of the clamping base 1 in a rotating manner, and one end of the third link 425 is rotatably connected with the support rod 426, the second link 424 is rotatably connected inside the clamping base 1, and one end of the second link 424 is rotatably connected with the other end of the third link 425, the first link 423 is slidably connected inside the clamping base 1, one end of the first link 423 is rotatably connected with the other end of the second link 424, and the first link 423 extends to the inside of the placing cavity 3 of the clamping base 1, the fastening plate 421 is fixedly connected to one end of the first connecting rod 423 located inside the placing cavity 3.
As a modification of the above, the rotational connection points of the third link 425 and the second link 424 are located at respective middle positions.
As an improvement of the above scheme, the second fastening mechanism further includes a guide sleeve 422, and the guide sleeve 422 is disposed inside the clamping base 1 and sleeved outside the first link 423.
As a modification of the above scheme, an accommodating cavity is formed in a side surface of the first connecting rod 423 close to the fastening plate 421, the fastening plate 421 is fixedly connected with the telescopic rod 428, and the telescopic rod 428 extends into the accommodating cavity and is tightly connected with the accommodating cavity through the telescopic spring 427.
As an improvement of the above scheme, a connector corresponding to the support rod 426 is formed on the surface of the clamping base 1, a pin shaft is movably connected inside the connector, a plurality of pin holes are formed in the side surface of the support rod 426 corresponding to the pin shaft, and the support rod 426 can be positioned by matching the pin shaft with the pin holes.
The working process is as follows: insert between two splint 24 the lithium cell that will treat to observe, splint 24 rotates through hank axle 23, hank axle 23 drives torsional spring 25 deformation, the reaction force that torsional spring 25 deformation produced carries out preliminary location to the lithium cell, splint 24 will transmit power to connecting rod 26 simultaneously, connecting rod 26 drives slider 22 and slides inside 21 spouts of spout, slider 22 compresses pressure boost spring 27, the reaction force of 27 contractions of pressure boost spring acts on splint 24, improve the location effect to the lithium cell.
Lithium cell bottom with place base 41 contact, and the drive is placed base 41 and is moved down, and promote bracing piece 426 and move down, bracing piece 426 drives third connecting rod 425 and rotates, third connecting rod 425 drives second connecting rod 424 and rotates, second connecting rod 424 drives first connecting rod 423 and moves, first connecting rod 423 drives two mounting plate 421 and moves towards the direction that the interval reduces, until contacting with lithium cell housing, and drive telescopic link 428 and move towards the direction of compression expanding spring 427, the reaction force that expanding spring 427 contracts acts on mounting plate 421, carry out the centre gripping location to the lithium cell.
It is intended that the one or more embodiments of the present specification embrace all such alternatives, modifications and variations as fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of one or more embodiments of the present disclosure are intended to be included within the scope of the present disclosure.
Claims (10)
1. A clamping device for lithium battery observation comprises:
the clamping base (1) is provided with a placing cavity (3);
it is characterized by comprising:
two first latch mechanisms (2), two first latch mechanisms (2) symmetrical position are placed inside cavity (3), and are used for carrying out the joint location to lithium battery case.
2. The clamping device for lithium battery observation according to claim 1, wherein the first clamping mechanism (2) comprises:
the inner wall of the placing cavity (3) of the clamping base (1) is provided with a sliding chute (21);
the sliding block (22), the sliding block (22) is connected inside the sliding groove (21) in a sliding mode;
one end of the pressurizing spring (27) is connected to the inner wall of the placing cavity (3), and the other end of the pressurizing spring (27) is tightly connected with the sliding block (22);
the connecting rod (26), the said connecting rod (26) is fixedly connected with slide block (22);
the clamping plate (24) is rotatably connected to the connecting rod (26) through a hinge shaft (23); and
the two ends of the torsion spring (25) are respectively and tightly connected to the connecting rod (26) and the clamping plate (24), the torsion spring (25) is sleeved on the annular side face of the hinge shaft (23), and the inner wall of the torsion spring (25) is tightly connected with the annular side face of the hinge shaft (23).
3. The clamping device for lithium battery observation according to claim 2, wherein the clamping plate (24) is formed by fixedly connecting two straight rods and forms a shape which is downward and forms an included angle with the horizontal plane.
4. The clamping device for lithium battery observation according to claim 2, wherein the inner end of the clamping plate (24) is wrapped with a rubber cushion.
5. The clamping device for lithium battery observation according to claim 1, further comprising:
a second clamping mechanism (4), the second clamping mechanism (4) comprising:
the placing base (41), the placing base (41) is positioned at the lower part inside the placing cavity (3); and
the clamping device comprises two clamping components (42), wherein the two clamping components (42) are symmetrically connected to the bottom of the placing base (41).
6. The clamping device for lithium battery observation according to claim 5, wherein the clamping assembly (42) comprises:
the supporting rod (426), the supporting rod (426) is fixedly connected with the placing base (41), and the supporting rod (426) is connected to the clamping base (1) in a sliding mode;
the third connecting rod (425) is rotatably connected inside the clamping base (1), and one end of the third connecting rod (425) is rotatably connected with the supporting rod (426);
the second connecting rod (424), the second connecting rod (424) is rotatably connected inside the clamping base (1), and one end of the second connecting rod (424) is rotatably connected with the other end of the third connecting rod (425);
the first connecting rod (423) is connected inside the clamping base (1) in a sliding mode, one end of the first connecting rod (423) is rotatably connected with the other end of the second connecting rod (424), and the first connecting rod (423) extends into the placing cavity (3) of the clamping base (1); and
and the fastening plate (421), and the fastening plate (421) and the first connecting rod (423) are fixedly connected at one end inside the placing cavity (3).
7. The clamping device for lithium battery observation according to claim 6, wherein the rotation connection points of the third connecting rod (425) and the second connecting rod (424) are at respective middle positions.
8. The clamping device for lithium battery observation according to claim 6, wherein the second fastening mechanism further comprises a guide sleeve (422), and the guide sleeve (422) is disposed inside the clamping base (1) and sleeved outside the first connecting rod (423).
9. The clamping device for lithium battery observation according to claim 6, wherein a containing cavity is formed in one side surface of the first connecting rod (423) close to the fastening plate (421), the fastening plate (421) is fixedly connected with the telescopic rod (428), and the telescopic rod (428) extends into the containing cavity and is tightly connected with the containing cavity through the telescopic spring (427).
10. The clamping device for lithium battery observation according to claim 6, wherein a connector corresponding to the support rod (426) is formed on the surface of the clamping base (1), a pin shaft is movably connected inside the connector, a plurality of pin holes are formed in the side surface of the support rod (426) corresponding to the pin shaft, and the support rod (426) can be positioned by matching the pin shaft with the pin holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110429380.0A CN113500536B (en) | 2021-04-21 | 2021-04-21 | Clamping device for lithium battery observation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110429380.0A CN113500536B (en) | 2021-04-21 | 2021-04-21 | Clamping device for lithium battery observation |
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| Publication Number | Publication Date |
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| CN113500536A true CN113500536A (en) | 2021-10-15 |
| CN113500536B CN113500536B (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110429380.0A Active CN113500536B (en) | 2021-04-21 | 2021-04-21 | Clamping device for lithium battery observation |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5885353A (en) * | 1996-06-21 | 1999-03-23 | Micron Technology, Inc. | Thermal conditioning apparatus |
| JP2007280835A (en) * | 2006-04-10 | 2007-10-25 | Fujifilm Corp | Electronic device |
| DE102011116808A1 (en) * | 2010-10-25 | 2012-04-26 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Clamping system has one or multiple clamping devices for receiving component, where each clamping device has adjustment medium which allows linear or rotational adjustment to serially combined linear or rotational axes |
| CN212390927U (en) * | 2020-08-05 | 2021-01-22 | 苏州市赛立鸿智能制造有限公司 | Detection positioning device of automobile part checking fixture |
| CN112372547A (en) * | 2020-11-16 | 2021-02-19 | 宁波鄞州玛克流体科技有限公司 | Clamp assembly for nut machining |
| CN112583085A (en) * | 2021-01-14 | 2021-03-30 | 成都盼丁见电子商务有限公司 | Charging device that lithium cell abnormal expansion popped out |
| CN212947428U (en) * | 2020-08-06 | 2021-04-13 | 惠州市晨烨科技有限公司 | Probe detection tool |
| CN213009757U (en) * | 2020-08-11 | 2021-04-20 | 沈阳环境科学研究院 | Reagent box for water quality detection |
-
2021
- 2021-04-21 CN CN202110429380.0A patent/CN113500536B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5885353A (en) * | 1996-06-21 | 1999-03-23 | Micron Technology, Inc. | Thermal conditioning apparatus |
| JP2007280835A (en) * | 2006-04-10 | 2007-10-25 | Fujifilm Corp | Electronic device |
| DE102011116808A1 (en) * | 2010-10-25 | 2012-04-26 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Clamping system has one or multiple clamping devices for receiving component, where each clamping device has adjustment medium which allows linear or rotational adjustment to serially combined linear or rotational axes |
| CN212390927U (en) * | 2020-08-05 | 2021-01-22 | 苏州市赛立鸿智能制造有限公司 | Detection positioning device of automobile part checking fixture |
| CN212947428U (en) * | 2020-08-06 | 2021-04-13 | 惠州市晨烨科技有限公司 | Probe detection tool |
| CN213009757U (en) * | 2020-08-11 | 2021-04-20 | 沈阳环境科学研究院 | Reagent box for water quality detection |
| CN112372547A (en) * | 2020-11-16 | 2021-02-19 | 宁波鄞州玛克流体科技有限公司 | Clamp assembly for nut machining |
| CN112583085A (en) * | 2021-01-14 | 2021-03-30 | 成都盼丁见电子商务有限公司 | Charging device that lithium cell abnormal expansion popped out |
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| CN113500536B (en) | 2024-04-19 |
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