CN112476505A - Electricity core peeling equipment - Google Patents

Electricity core peeling equipment Download PDF

Info

Publication number
CN112476505A
CN112476505A CN202011233307.8A CN202011233307A CN112476505A CN 112476505 A CN112476505 A CN 112476505A CN 202011233307 A CN202011233307 A CN 202011233307A CN 112476505 A CN112476505 A CN 112476505A
Authority
CN
China
Prior art keywords
rotating plate
hinged
rotating
plate
battery cell
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.)
Pending
Application number
CN202011233307.8A
Other languages
Chinese (zh)
Inventor
高群
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Polytechnic Normal University
Original Assignee
Guangdong Polytechnic Normal University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Polytechnic Normal University filed Critical Guangdong Polytechnic Normal University
Priority to CN202011233307.8A priority Critical patent/CN112476505A/en
Publication of CN112476505A publication Critical patent/CN112476505A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
    • B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01—Means for holding or positioning work
    • B26D7/02—Means for holding or positioning work with clamping means
    • 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
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D2007/0012—Details, accessories or auxiliary or special operations not otherwise provided for
    • 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

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The invention relates to the technical field of battery cell husking, in particular to a battery cell husking device which comprises an installation bottom plate, wherein a first installation frame is connected to the left side of the upper end of the installation bottom plate, a first rotating plate is hinged to the first installation frame, a first support is hinged to the first rotating plate, a second rotating plate is hinged to the first installation frame, a second installation frame is connected to the right side of the upper end of the installation bottom plate, a third rotating plate is hinged to the second installation frame, a second support is hinged to the right end of the third rotating plate, a fourth rotating plate is hinged to the upper end of the second support, the fourth rotating plate is hinged to the second installation frame, and a husking mechanism is arranged at the upper end of the first installation frame. The device has simple structure, ideal finishing effect and outstanding husking operation, and can be better applied to production and life.

Description

Electricity core peeling equipment
Technical Field
The invention relates to the technical field of battery cell husking, in particular to a battery cell husking device.
Background
The composition of the lithium ion secondary rechargeable battery is as follows: and the battery cell + a protection circuit board. The battery core is formed by removing the protective circuit board from the rechargeable battery. He is the storage portion in the rechargeable battery. The quality of the battery core directly determines the quality of the rechargeable battery. The battery cell is divided into an aluminum shell battery cell, a soft package battery cell (also called polymer battery cell) and a cylindrical battery cell. Generally, an aluminum shell battery cell is adopted by a mobile phone battery, soft package battery cells are mostly adopted by digital products such as Bluetooth, and a battery of a notebook computer adopts series-parallel combination of cylindrical battery cells.
At present, the shelling equipment for the battery core in the market is not popularized yet, has common functions and unobvious shelling effect, and cannot be well utilized in production and life.
Disclosure of Invention
The invention aims to provide a battery cell shelling device, which solves the problems that the shelling device for the battery cell in the market is not popularized yet, has general functions and unobvious shelling effect, and cannot be well utilized in production and life.
In order to achieve the purpose, the invention provides the following technical scheme:
a battery cell shelling device comprises a mounting bottom plate, a first mounting frame is connected with the left side of the upper end of the mounting bottom plate, the first mounting frame is hinged with a first rotating plate, the first rotating plate is hinged with a first bracket, the first support is hinged with a second rotating plate, the second rotating plate is hinged on the first mounting frame, the right side of the upper end of the mounting bottom plate is connected with a second mounting frame, the second mounting rack is hinged with a third rotating plate, the right end of the third rotating plate is hinged with a second bracket, a fourth rotating plate is hinged at the upper end of the second support, the fourth rotating plate is hinged on the second mounting rack, a cell to be shelled is clamped between the fourth rotating plate and the second rotating plate, a material slide way is arranged below the cell to be shelled, a telescopic piece is arranged below the material slide way, and a husking mechanism is arranged at the upper end of the first mounting frame.
As a further scheme of the invention: the husking mechanism comprises a first motor, the first motor is fixed on an annular frame, the annular frame is connected with a cross rod, the cross rod is connected with a movable column of a first telescopic rod, the upper end of the first telescopic rod is connected with a rotating sleeve, a screw rod is sleeved in the rotating sleeve, the left end of the screw rod is connected with the first motor, a vertical strip-shaped husking knife is connected onto the screw rod, a sliding rod is strung on the strip-shaped husking knife, and the sliding rod is fixed on the side face of a first mounting frame below the screw rod.
As a further scheme of the invention: the telescopic part comprises a second telescopic rod, the upper end of the second telescopic rod is connected with an upper disc and a lower disc, the left side and the right side between the upper disc and the lower disc respectively clamp the right end of the first rotating plate and the left end of the third rotating plate, and the port of the third rotating plate, which is opposite to the first rotating plate, is provided with a clamped end.
As a further scheme of the invention: the rectangle leads to the groove all opened with the fourth rotor plate left end, the articulated second support in the groove is led to the rectangle, fourth rotor plate and second rotor plate shape are "Z" style of calligraphy, are located the second rotor plate right-hand member rotates and is connected with the left-hand rotation post, the left-hand rotation post is connected with left centre gripping cushion, is located the fourth rotor plate left end is connected with the right side and rotates the post, the right side is rotated the post and is connected with right centre gripping cushion.
As a further scheme of the invention: the right rotating column is rotatably connected with and penetrates through the fourth rotating plate, the right end of the right rotating column is connected with a first gear, the first gear is meshed with a second gear, the second gear is connected with a second motor, and the second motor is fixed on the side face of the fourth rotating plate.
The battery cell shelling device provided by the embodiment of the invention has the advantages of simple structure, ideal completing effect and outstanding shelling operation, and can be better applied to production and life.
Drawings
Fig. 1 is a structural diagram of a battery cell shelling apparatus according to an embodiment of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
fig. 3 is an enlarged view of fig. 1 at B.
In the figure: 1. mounting a bottom plate; 2. a first mounting bracket; 3. a first rotating plate; 4. a first bracket; 5. a second rotating plate; 6. a second mounting bracket; 7. a third rotating plate; 8. a second bracket; 9. a fourth rotating plate; 10. the battery cell to be shelled; 11. a material chute; 12. a telescoping member; 121. a second telescopic rod; 122. an upper disc; 123. a lower disc; 13. a husking mechanism; 131. a first motor; 132. an annular frame; 133. a cross bar; 134. a first telescopic rod; 135. rotating the sleeve; 136. a screw; 137. a strip-shaped shelling knife; 138. a slide bar; 14. a clamped end; 15. a rectangular through groove; 16. a left rotation post; 17. a left clamping cushion; 18. a right rotating column; 19. a right clamping cushion; 20. a first gear; 21. a second gear; 22. a second motor.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
Example 1:
as shown in fig. 1, 2 and 3, in an embodiment of the present invention, a battery cell shelling apparatus includes a mounting base plate 1, a first mounting frame 2 is connected to the left side of the upper end of the mounting base plate 1, a first rotating plate 3 is hinged to the first mounting frame 2, a first support 4 is hinged to the first rotating plate 3, a second rotating plate 5 is hinged to the first support 4, the second rotating plate 5 is hinged to the first mounting frame 2, a second mounting frame 6 is connected to the right side of the upper end of the mounting base plate 1, the second mounting frame 6 is hinged to a third rotating plate 7, a second support 8 is hinged to the right end of the third rotating plate 7, a fourth rotating plate 9 is hinged to the upper end of the second support 8, the fourth rotating plate 9 is hinged to the second mounting frame 6, and a battery cell 10 to be shelled is clamped between the fourth rotating plate 9 and the second rotating plate 5, and a material slide way 11 is arranged below the cell 10 to be shelled, an expansion piece 12 is arranged below the material slide way 11, and a shelling mechanism 13 is arranged at the upper end of the first mounting frame 2.
In the embodiment of the invention, the working principle is as follows: the extension piece 12 stretches out and draws back and leads to first rotor plate 3 and the certain angle of third rotor plate 7 slope, and first support 4 and second support 8 promote second rotor plate 5 and fourth rotor plate 9 respectively afterwards and rotate the motion that forms closure or expansion between relative, and second rotor plate 5 and fourth rotor plate 9 can press from both sides tightly and wait to shuck electric core 10 during the closure, and the battery core 10 that follows rotates is waited to shuck under the right rotation post 18 pivoted condition to the motion of shucking 13 carries out the shucking.
Example 2:
as shown in fig. 1, 2 and 3, in the embodiment of the present invention, the husking mechanism 13 includes a first motor 131, the first motor 131 is fixed to a ring-shaped frame 132, the ring-shaped frame 132 is connected to a cross bar 133, the cross bar 133 is connected to a movable column of a first telescopic bar 134, the upper end of the first telescopic bar 134 is connected to a rotating sleeve 135, a screw 136 is sleeved in the rotating sleeve 135, the left end of the screw 136 is connected to the first motor 131, a vertical strip-shaped husking knife 137 is connected to the screw 136, a sliding rod 138 is connected to the strip-shaped husking knife 137, and the sliding rod 138 is fixed to a side surface of the first mounting frame 2 below the screw 136.
In the embodiment of the present invention, the first motor 131 drives the screw 136, the strip-shaped peeling knife 137 on the screw 136 moves on the screw 136 due to the thread fit, the sliding rod 138 functions as a sliding guide, and the strip-shaped peeling knife 137 translates under the operating electric core 10 to be peeled to complete the peeling movement; the first telescopic rod 134 can control the distance between the peeling mechanism 13 and the electric core 10 to be peeled, the ring-shaped frame 132 and the cross rod 133 are used for fixing the function of the first motor 131 and do not obstruct the lifting of the peeling mechanism 13, and the rotating sleeve 135 fixes the screw 136 and does not obstruct the rotation thereof.
Example 3:
as shown in fig. 1, 2 and 3, in the embodiment of the present invention, the telescopic member 12 includes a second telescopic rod 121, an upper disc 122 and a lower disc 123 are connected to an upper end of the second telescopic rod 121, a right end of the first rotating plate 3 and a left end of the third rotating plate 7 are clamped by left and right sides between the upper disc 122 and the lower disc 123, respectively, and a clamped end 14 is disposed at a port of the third rotating plate 7 opposite to the first rotating plate 3.
In the embodiment of the present invention, the second telescopic rod 121 is contracted, the upper disc 122 and the lower disc 123 are descended, and the pressing down by the holding end 14 causes the first rotating plate 3 and the third rotating plate 7 to be angularly deflected, and further the lifting up of the first bracket 4 and the second bracket 8 causes the opposite ends of the second rotating plate 5 and the fourth rotating plate 9 to be close to each other in a clamping manner.
Example 4:
as shown in fig. 1, 2 and 3, in the embodiment of the present invention, rectangular through grooves 15 are formed at left ends of the third rotating plate 7 and the fourth rotating plate 9, a second bracket 8 is hinged in the rectangular through grooves 15, the fourth rotating plate 9 and the second rotating plate 5 are in a "Z" shape, a left rotating column 16 is rotatably connected to a right end of the second rotating plate 5, the left rotating column 16 is connected to a left clamping cushion 17, a right rotating column 18 is connected to a left end of the fourth rotating plate 9, and the right rotating column 18 is connected to a right clamping cushion 19.
In the embodiment of the present invention, the left rotating column 16 and the right rotating column 18 can rotate, and the left clamping cushion 17 and the right clamping cushion 19 have certain flexibility and can deform to avoid damage to the cell 10 to be husked when the cell is clamped and loosened.
Example 5:
as shown in fig. 1, 2 and 3, in the embodiment of the present invention, the right rotary column 18 is rotatably connected to and penetrates through the fourth rotary plate 9, a first gear 20 is connected to a right end of the right rotary column 18, the first gear 20 is engaged with a second gear 21, the second gear 21 is connected to a second motor 22, and the second motor 22 is fixed to a side surface of the fourth rotary plate 9.
In the embodiment of the invention, the second motor 22 drives the second gear 21, the first gear 20 and the right rotating column 18 follow, and the right clamping cushion 19 and the left clamping cushion 17 clamp the cell 10 to be shelled to rotate.
The embodiment of the invention provides the battery cell shelling equipment, which has the advantages of simple structure, ideal completing effect and outstanding shelling operation, and can be better applied to production and life.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.

Claims (7)

1. The battery core husking equipment comprises an installation bottom plate (1) and is characterized in that a first installation frame (2) is connected to the left side of the upper end of the installation bottom plate (1), a first rotating plate (3) is hinged to the first installation frame (2), a first support (4) is hinged to the first rotating plate (3), a second rotating plate (5) is hinged to the first support (4), the second rotating plate (5) is hinged to the first installation frame (2), a second installation frame (6) is connected to the right side of the upper end of the installation bottom plate (1), a third rotating plate (7) is hinged to the second installation frame (6), a second support (8) is hinged to the right end of the third rotating plate (7), a fourth rotating plate (9) is hinged to the upper end of the second support (8), and the fourth rotating plate (9) is hinged to the second installation frame (6), and the fourth rotating plate (9) and the second rotating plate (5) are clamped with the to-be-shelled battery core (10), the material slide (11) is arranged below the to-be-shelled battery core (10), an expansion piece (12) is arranged below the material slide (11), and a shelling mechanism (13) is arranged at the upper end of the first mounting frame (2).
2. The battery cell husking apparatus according to claim 1, wherein the husking mechanism (13) comprises a first motor (131), the first motor (131) is fixed to an annular frame (132), the annular frame (132) is connected with a cross rod (133), the cross rod (133) is connected to a movable column of a first telescopic rod (134), a rotating sleeve (135) is connected to the upper end of the first telescopic rod (134), a screw rod (136) is sleeved in the rotating sleeve (135), the left end of the screw rod (136) is connected to the first motor (131), a vertical strip-shaped husking knife (137) is connected to the screw rod (136), a sliding rod (138) is strung on the strip-shaped husking knife (137), and the sliding rod (138) is fixed to the side surface of the first mounting frame (2) below the screw rod (136).
3. The battery cell shelling apparatus according to claim 1, wherein the telescopic member (12) includes a second telescopic rod (121), an upper disc (122) and a lower disc (123) are connected to an upper end of the second telescopic rod (121), a right end of the first rotating plate (3) and a left end of the third rotating plate (7) are clamped by left and right sides between the upper disc (122) and the lower disc (123), and a clamped end (14) is disposed at a port of a position where the third rotating plate (7) and the first rotating plate (3) are opposite to each other.
4. The battery cell shelling apparatus according to claim 3, wherein rectangular through grooves (15) are formed in the left ends of the third rotating plate (7) and the fourth rotating plate (9), the second support (8) is hinged in the rectangular through grooves (15), and the fourth rotating plate (9) and the second rotating plate (5) are Z-shaped.
5. The battery cell shelling apparatus according to claim 4, wherein a left rotation column (16) is rotatably connected to a right end of the second rotation plate (5), the left rotation column (16) is connected to a left clamping cushion (17), a right rotation column (18) is connected to a left end of the fourth rotation plate (9), and the right rotation column (18) is connected to a right clamping cushion (19).
6. The battery cell shelling apparatus according to claim 5, wherein the right rotating column (18) is rotatably connected to and penetrates through the fourth rotating plate (9), and a first gear (20) is connected to a right end of the right rotating column (18).
7. The battery cell shelling apparatus according to claim 6, wherein the first gear (20) is engaged with a second gear (21), the second gear (21) is connected with a second motor (22), and the second motor (22) is fixed on a side surface of the fourth rotating plate (9).
CN202011233307.8A 2020-11-06 2020-11-06 Electricity core peeling equipment Pending CN112476505A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011233307.8A CN112476505A (en) 2020-11-06 2020-11-06 Electricity core peeling equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011233307.8A CN112476505A (en) 2020-11-06 2020-11-06 Electricity core peeling equipment

Publications (1)

Publication Number Publication Date
CN112476505A true CN112476505A (en) 2021-03-12

Family

ID=74928730

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011233307.8A Pending CN112476505A (en) 2020-11-06 2020-11-06 Electricity core peeling equipment

Country Status (1)

Country Link
CN (1) CN112476505A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206180035U (en) * 2016-09-26 2017-05-17 深圳市炫硕光电科技有限公司 Automatic machine of peeling off of battery
CN107203123A (en) * 2017-04-20 2017-09-26 浙江卓越电子有限公司 A kind of electronic watch automatic assembling mechanism
CN107248598A (en) * 2017-06-27 2017-10-13 荆门市格林美新材料有限公司 A kind of lithium battery disassembles platform
KR101999677B1 (en) * 2018-12-28 2019-07-15 한국지질자원연구원 Apparatus for disassembling wasted battery and method for disassembling wasted battery
CN209190356U (en) * 2018-11-23 2019-08-02 重庆市开州区富达机械修理厂 Turnover device is used in a kind of machining
CN210060328U (en) * 2019-05-07 2020-02-14 常州市万禾精密冲压有限公司 Automatic press-fitting device for iron core
CN210704434U (en) * 2019-09-12 2020-06-09 湖北省天门永强泵业有限公司 Fastening device for water pump machining

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206180035U (en) * 2016-09-26 2017-05-17 深圳市炫硕光电科技有限公司 Automatic machine of peeling off of battery
CN107203123A (en) * 2017-04-20 2017-09-26 浙江卓越电子有限公司 A kind of electronic watch automatic assembling mechanism
CN107248598A (en) * 2017-06-27 2017-10-13 荆门市格林美新材料有限公司 A kind of lithium battery disassembles platform
CN209190356U (en) * 2018-11-23 2019-08-02 重庆市开州区富达机械修理厂 Turnover device is used in a kind of machining
KR101999677B1 (en) * 2018-12-28 2019-07-15 한국지질자원연구원 Apparatus for disassembling wasted battery and method for disassembling wasted battery
CN210060328U (en) * 2019-05-07 2020-02-14 常州市万禾精密冲压有限公司 Automatic press-fitting device for iron core
CN210704434U (en) * 2019-09-12 2020-06-09 湖北省天门永强泵业有限公司 Fastening device for water pump machining

Similar Documents

Publication Publication Date Title
CN204954729U (en) Screen type TP disassembly body
CN105082047A (en) Screen TP detaching mechanism
CN112476505A (en) Electricity core peeling equipment
CN214163046U (en) Tire carrying manipulator
CN113612074B (en) Access mechanism for multifunctional computer data line in use
CN214585213U (en) Sulfur hexafluoride micro-water tester
CN212135309U (en) High strength computer shell
CN208128623U (en) A kind of soft double-sided PCB
CN210476293U (en) Numerical control tool placing device of numerical control machining center
CN216649088U (en) Energy-saving wire stripping device for earphone wire assembling and machining
CN209856669U (en) Display capable of adjusting rotation angle
CN220807098U (en) Microphone shell adds clamping apparatus that centre gripping is effectual
CN216995549U (en) Storage workpiece capable of avoiding deformation of silicon oxide sheet in cooling process
CN218356204U (en) Arm type electronic sphygmomanometer
CN212541210U (en) Case convenient to open
CN215733243U (en) Power cable bridge convenient to install
CN221446541U (en) Hard disk bracket of storage server
CN212969981U (en) Bluetooth sound with adjustable based on multi-stage connection
CN215941582U (en) Multifunctional computer accessory processing equipment
CN112659782B (en) Novel detachable English translation dictionary convenient for carrying single-chip page memory
CN217883755U (en) Automatic microphone extending and retracting device
CN213094492U (en) Earphone closing and pressing machine
CN220820193U (en) Portable full-automatic lead-acid storage battery detector
CN214542931U (en) Novel electrical engineering distribution switch device
CN217087512U (en) Large-capacity overvoltage protector

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20210312