CN111300323A - Electric wrench with fixing function - Google Patents
Electric wrench with fixing function Download PDFInfo
- Publication number
- CN111300323A CN111300323A CN202010189656.8A CN202010189656A CN111300323A CN 111300323 A CN111300323 A CN 111300323A CN 202010189656 A CN202010189656 A CN 202010189656A CN 111300323 A CN111300323 A CN 111300323A
- Authority
- CN
- China
- Prior art keywords
- main body
- sleeve
- electric wrench
- pipe
- air inlet
- 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.)
- Granted
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Classifications
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- 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
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
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- 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
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/0085—Counterholding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/008—Cooling means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/02—Construction of casings, bodies or handles
- B25F5/025—Construction of casings, bodies or handles with torque reaction bars for rotary tools
- B25F5/028—Construction of casings, bodies or handles with torque reaction bars for rotary tools to be supported by a fixed object
Abstract
The invention relates to an electric wrench with a fixing function, which comprises a main body, a sleeve, a motor, a driving shaft and a handle, wherein the fixing mechanism comprises a sucker, a supporting sleeve, a supporting pipe, a fan blade, a spring, a limiting block, a connecting hose and at least two air injection pipes, and the heat dissipation mechanism comprises an air inlet pipe, a fixing rod, an installation block, a lead screw, a knob, an elastic rope and a sealing plate.
Description
Technical Field
The invention relates to the field of container production equipment, in particular to an electric wrench with a fixing function.
Background
The electric wrench is an electric tool for screwing and unscrewing the bolt and the nut, and is a tool for screwing the high-strength bolt. The high-strength bolt screwing device is used for initial screwing, final screwing and initial screwing of a torsional shear type high-strength bolt in the construction of mounting a large hexagon head high-strength bolt on a steel structure bridge, a factory building, a chemical industry and power generation equipment, and has strict requirements on the torque or the axial force of a bolt fastener.
When using, the electric wrench in the prior art can lead to the electric wrench main body to rotate if the bolt is fixed too tightly, so that the arm of the operator can be twisted, the probability of the arm injury of the operator is increased, and moreover, when using, the electric wrench in the prior art can generate a large amount of heat inside the electric wrench, so that the working temperature of the electric wrench is increased, and the failure rate of the electric wrench is increased.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the electric wrench with the fixing function is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: an electric wrench with a fixing function comprises a main body, a sleeve, a motor, a driving shaft and a handle, wherein the handle is installed on the main body, a cavity is formed in the main body, the motor is arranged in the main body, an installation bearing is arranged on the driving shaft, the driving shaft is connected with one end of the main body through the installation bearing, the driving shaft is in transmission connection with the motor, the sleeve is installed on one end, away from the motor, of the driving shaft, the electric wrench further comprises a heat dissipation mechanism and at least two fixing mechanisms, the heat dissipation mechanism is arranged in the main body, and the fixing mechanisms are evenly arranged on the periphery of the main body in the circumferential direction of the axis of the driving shaft;
the fixing mechanism comprises a sucker, a support sleeve, a support pipe, fan blades, a spring, a limiting block, a connecting hose and at least two air injection pipes, the axis of the support sleeve is parallel to the axis of the driving shaft, the support sleeve is fixedly connected with one side of one end, close to the sleeve, of the main body, the support pipe is coaxially arranged with the support sleeve, the support pipe penetrates through the support sleeve, the support pipe is in sliding connection with the support sleeve, the sucker is installed at one end of the support pipe, the spring is sleeved on the support pipe, the sucker is fixedly connected with the support sleeve through the spring, the spring is in a compressed state, the limiting block is fixedly connected with the other end of the support pipe, the limiting block abuts against the support sleeve, the other end of the support pipe is communicated with one end, far away from the support sleeve, each gas injection pipe is arranged at one end of the main body close to the sleeve and is communicated with the inside of the main body;
the heat dissipation mechanism comprises an air inlet pipe, a fixed rod, a mounting block, a screw rod, a knob, an elastic rope and a sealing plate, the air inlet pipe is arranged at one end of the main body far away from the sleeve and is communicated with the interior of the main body, the sealing plate covers one end of the air inlet pipe close to the motor, one side of the sealing plate is hinged with one side of the air inlet pipe close to the motor, the fixed rod is arranged in the air inlet pipe, the mounting block is fixedly connected with the fixed rod, the axis of the screw rod is parallel to the axis of the air inlet pipe, the inner part of the mounting block is provided with a mounting hole, the screw rod passes through the mounting block and is in threaded connection with the mounting block, the other end of the sealing plate is fixedly connected with one end, close to the sealing plate, of the screw rod through an elastic rope, the elastic rope is in a stretching state, and the knob is installed at the other end of the screw rod.
Preferably, in order to improve the degree of automation of the electric wrench, a PLC is provided inside the main body, and the handle is provided with a control button electrically connected to the PLC.
Preferably, the suction pad is made of rubber to improve the firmness of suction.
Preferably, in order to improve the sealing performance of the sealing plate, a sealing ring is arranged on one side of the sealing plate close to the air inlet pipe, and the sealing plate is connected with the air inlet pipe in a sealing mode through the sealing ring.
Preferably, in order to reduce the probability of the knob slipping, the knob is provided with anti-slip lines.
Preferably, the motor is a servo motor in order to improve the accuracy of the control of the rotational speed of the drive shaft.
Preferably, the body is coated with an anti-corrosive coating in order to extend the service life of the body.
Preferably, the sleeve is coated with a wear resistant coating in order to extend the useful life of the sleeve.
Preferably, in order to improve the dustproof performance of the main body, a filter screen is arranged in the main body, and the connection point of the connection hose and the main body is located on one side of the filter screen, which is far away from the motor.
Preferably, the support tube is coated with grease in order to improve the smoothness of movement of the support tube.
The electric wrench with the fixing function has the advantages that the electric wrench can be fixed through the fixing mechanisms, the probability of twisting of the main body of the electric wrench is reduced, the use safety of the electric wrench is improved, compared with the existing fixing mechanisms, the electric wrench can be fixed on the uneven surface through the mutual matching use among the plurality of fixing mechanisms, the adsorption firmness of the electric wrench is improved, in addition, the heat dissipation efficiency of the electric wrench is accelerated through the heat dissipation mechanism, the working reliability of the electric wrench is improved, compared with the existing heat dissipation mechanism, the heat dissipation mechanism also realizes the suction adjustment of the fixing mechanisms, and the practicability of the electric wrench is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of a fixed action power wrench of the present invention;
FIG. 2 is a cross-sectional view of the electric wrench with a fixing action of the present invention;
FIG. 3 is a schematic structural view of a fixing mechanism of the electric wrench with fixing function of the present invention;
FIG. 4 is a schematic structural diagram of a heat dissipating mechanism of the electric wrench with fixing function according to the present invention;
in the figure: 1. the novel air filter comprises a sucker, 2 springs, 3 sleeves, 4 supporting sleeves, 5 limiting blocks, 6 supporting pipes, 7 connecting hoses, 8 main bodies, 9 handles, 10 motors, 11 filter screens, 12 air injection pipes, 13 driving shafts, 14 fan blades, 15 sealing plates, 16 elastic ropes, 17 air inlet pipes, 18 mounting blocks, 19 lead screws, 20 knobs and 21 fixing rods.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, an electric wrench with a fixing function comprises a main body 8, a sleeve 3, a motor 10, a driving shaft 13 and a handle 9, wherein the handle 9 is installed on the main body 8, a cavity is arranged inside the main body 8, the motor 10 is arranged inside the main body 8, a mounting bearing is arranged on the driving shaft 13, the driving shaft 13 is connected with one end of the main body 8 through the mounting bearing, the driving shaft 13 is in transmission connection with the motor 10, the sleeve 3 is installed on one end of the driving shaft 13, which is far away from the motor 10, the electric wrench further comprises a heat dissipation mechanism and at least two fixing mechanisms, the heat dissipation mechanism is arranged inside the main body 8, and each fixing mechanism is circumferentially and uniformly arranged on the periphery of the main body 8 around the axis of the driving shaft;
the electric wrench can be fixed through the fixing mechanism, the probability of twisting of the main body 8 of the electric wrench is reduced, the use safety of the electric wrench is improved, and moreover, the heat dissipation efficiency of the electric wrench is accelerated through the heat dissipation mechanism, and the working reliability of the electric wrench is improved;
as shown in fig. 2-3, the fixing mechanism includes a suction cup 1, a support sleeve 4, a support tube 6, a fan blade 14, a spring 2, a limiting block 5, a connection hose 7 and at least two air injection tubes 12, an axis of the support sleeve 4 is parallel to an axis of a drive shaft 13, the support sleeve 4 is fixedly connected to one side of the main body 8 near one end of the sleeve 3, the support tube 6 is coaxially arranged with the support sleeve 4, the support tube 6 passes through the support sleeve 4, the support tube 6 is slidably connected with the support sleeve 4, the suction cup 1 is installed at one end of the support tube 6, the spring 2 is sleeved on the support tube 6, the suction cup 1 is fixedly connected to the support sleeve 4 through the spring 2, the spring 2 is in a compressed state, the limiting block 5 is fixedly connected to the other end of the support tube 6, and the limiting block 5 is, the other end of the supporting pipe 6 is communicated with one end of the main body 8 far away from the supporting sleeve 4 through a connecting hose 7, the fan blades 14 are installed on a driving shaft 13, each gas injection pipe 12 is arranged at one end of the main body 8 close to the sleeve 3, and each gas injection pipe 12 is communicated with the inside of the main body 8;
as shown in fig. 2 and 4, the heat dissipation mechanism includes an air inlet pipe 17, a fixing rod 21, a mounting block 18, a screw rod 19, a knob 20, an elastic cord 16 and a sealing plate 15, the air inlet pipe 17 is disposed at one end of the main body 8 far from the sleeve 3, the air inlet pipe 17 is communicated with the inside of the main body 8, the sealing plate 15 covers one end of the air inlet pipe 17 near the motor 10, one side of the sealing plate 15 is hinged to one side of the air inlet pipe 17 near one end of the motor 10, the fixing rod 21 is disposed inside the air inlet pipe 17, the mounting block 18 is fixedly connected to the fixing rod 21, the axis of the screw rod 19 is parallel to the axis of the air inlet pipe 17, a mounting hole is disposed inside the mounting block 18, the screw rod 19 passes through the mounting block 18, the screw rod 19 is in threaded connection with the mounting block 18, the other end of the sealing plate 15 is fixedly connected to one end, the elastic rope 16 is in a stretching state, and the knob 20 is arranged at the other end of the screw rod 19;
under the supporting action of the supporting sleeve 4, the stability of the supporting tube 6 is improved, and under the limiting action of the limiting block 5, the probability that the supporting tube 6 falls off from the inside of the supporting sleeve 4 is reduced, and the stability of the supporting tube 6 is further improved, after an operator sleeves the sleeve 3 on the bolt, the sucking disc 1 abuts against the container, and simultaneously, through the elastic action of the spring 2, the supporting tube 6 is driven to move towards the direction close to the container along the supporting sleeve 4, so that the sucking disc 1 abuts against the container tightly, the driving shaft 13 is driven to rotate through the motor 10, the fan blades 14 are driven to rotate through the driving shaft 13, power is provided through the fan blades 14, the air inside the sucking disc 1 is sucked into the main body 8 through the connecting hose 7 and the supporting tube 6, then the air inside the main body 8 is sprayed out through the air spraying pipe 12, so that the, the fixing effect on the electric wrench is realized, the probability of twisting of the electric wrench main body 8 is reduced, the safety of an operator using the electric wrench is improved, meanwhile, the electric wrench can be adsorbed on the surface of an uneven container through the mutual matching use of the plurality of suckers 1, the adsorption firmness of the electric wrench is improved, when the air pressure in the suckers 1 reaches a set value, the sealing plate 15 is opened, external air is sucked into the main body 8 through the air inlet pipe 17, the heat in the main body 8 is dissipated to the outside of the main body 8 through air flow, the heat dissipation function on the electric wrench is realized, the working reliability of the electric wrench is improved, the stability of the screw rod 19 is improved through the supporting effect of the fixing rod 21, the stability of the screw rod 19 is improved through the mounting block 18, the operator drives the screw rod 19 to rotate through the knob 20, and the screw rod 19 moves along the mounting, realized the regulation to 16 lengths of elasticity rope, and then realized the tensile regulation of elasticity rope 16 to closing plate 15, and then 8 inside pressures of main part when can controlling closing plate 15 and opening, because 8 inside and sucking disc 1 intercommunication of main part, then realized the regulation to 1 inside suction of sucking disc, the practicality of electric spanner has been improved, simultaneously at the in-process that jet-propelled pipe 12 was blown, the air current can be cleaned all around the bolt, the cleanliness of bolt has been improved, the convenience that the sleeve 3 and the bolt of electric spanner dock has been improved.
Preferably, in order to improve the automation degree of the electric wrench, a PLC is arranged inside the main body 8, and a control button is arranged on the handle 9 and electrically connected with the PLC;
the PLC is a programmable logic controller, which adopts a programmable memory for storing programs therein, executing instructions facing users such as logic operation, sequence control, timing, counting, arithmetic operation and the like, and controlling various types of machinery or production processes through digital or analog input/output.
Preferably, in order to improve the firmness of the suction cup 1, the suction cup 1 is made of rubber;
because rubber is comparatively soft, reduced the clearance between sucking disc 1 and the container, improved the firmness of wife between sucking disc 1 and the container.
Preferably, in order to improve the sealing performance of the sealing plate 15, a sealing ring is arranged on one side of the sealing plate 15 close to the air inlet pipe 17, and the sealing plate 15 is connected with the air inlet pipe 17 in a sealing manner through the sealing ring;
the gap between the sealing plate 15 and the air inlet pipe 17 is reduced by the sealing ring, and the sealing performance of the sealing plate 15 is improved.
Preferably, in order to reduce the probability of the knob 20 slipping, the knob 20 is provided with anti-slip lines;
the friction between the knob 20 and the fingers of the operator is increased by the anti-slip lines, and the probability of slipping of the knob 20 is reduced.
Preferably, the motor 10 is a servo motor in order to improve the accuracy of the rotational speed control of the drive shaft 13.
Preferably, in order to prolong the service life of the main body 8, the main body 8 is coated with an anti-corrosion coating;
the corrosion speed of the main body 8 is slowed down through the anti-corrosion coating, and the service life of the main body 8 is prolonged.
Preferably, in order to prolong the service life of the sleeve 3, the sleeve 3 is coated with a wear-resistant coating;
the corrosion speed of the sleeve 3 is slowed down through the wear-resistant coating, and the service life of the sleeve 3 is prolonged.
Preferably, in order to improve the dust-proof performance of the main body 8, a filter screen 11 is arranged inside the main body 8, and the connection point of the connection hose 7 and the main body 8 is positioned on one side of the filter screen 11 far away from the motor 10;
the filter screen 11 filters dust in the air, so that the probability of the dust entering the main body 8 is reduced, and the dustproof performance of the main body 8 is improved.
Preferably, in order to improve the smoothness of the movement of the support tube 6, the support tube 6 is coated with grease;
the friction force between the support tube 6 and the support sleeve 4 is reduced by the lubricating grease, and the smoothness of the movement of the support tube 6 is improved.
After an operator sleeves the sleeve 3 on the bolt, the sucker 1 is abutted against the container, meanwhile, through the elastic action of the spring 2, the supporting tube 6 is driven to move towards the direction close to the container along the supporting sleeve 4, so that the sucker 1 is tightly abutted against the container, the driving shaft 13 is driven to rotate through the motor 10, the fan blade 14 is driven to rotate through the driving shaft 13, power is provided through the fan blade 14, air in the sucker 1 is pumped into the main body 8 through the connecting hose 7 and the supporting tube 6, then the air in the main body 8 is sprayed out through the air spraying pipe 12, so that the sucker 1 can be adsorbed on the container, the fixing effect on the electric wrench is realized, the probability of twisting of the main body 8 of the electric wrench is reduced, the safety of the operator using the electric wrench is improved, when the air pressure in the sucker 1 reaches a set value, the sealing plate 15 is opened, and then outside air is pumped into the main body, then give off the inside heat of main part 8 outside to main part 8 through the air current, realized the heat dissipation function to electric spanner, improved electric spanner reliability of working.
Compared with the prior art, this electric spanner with fixed action, can fix electric spanner through fixed establishment, the probability that electric spanner's main part 8 takes place to wrench movement has been reduced, the security that electric spanner used has been improved, compare with current fixed establishment, use through mutually supporting between a plurality of fixed establishment, make electric spanner fix on unevenness on the surface, electric spanner's absorbent firmness has been improved, moreover, the radiating efficiency of electric spanner has been accelerated through heat dissipation mechanism, the reliability of electric spanner work has been improved, compare with current heat dissipation mechanism, this heat dissipation mechanism has still realized adjusting the suction of fixed establishment, electric spanner's practicality has been improved.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. An electric wrench with fixing function comprises a main body (8), a sleeve (3), a motor (10), a driving shaft (13) and a handle (9), the handle (9) is arranged on the main body (8), a cavity is arranged in the main body (8), the motor (10) is arranged inside the main body (8), the driving shaft (13) is provided with a mounting bearing, the driving shaft (13) is connected with one end of the main body (8) through a mounting bearing, the driving shaft (13) is in transmission connection with the motor (10), the sleeve (3) is arranged at one end of the driving shaft (13) far away from the motor (10), the heat dissipation device is characterized by further comprising a heat dissipation mechanism and at least two fixing mechanisms, wherein the heat dissipation mechanism is arranged inside the main body (8), and the fixing mechanisms are uniformly arranged on the periphery of the main body (8) in the circumferential direction around the axis of the driving shaft (13);
the fixing mechanism comprises a sucker (1), a support sleeve (4), a support pipe (6), fan blades (14), a spring (2), a limiting block (5), a connecting hose (7) and at least two air injection pipes (12), the axis of the support sleeve (4) is parallel to the axis of a driving shaft (13), the support sleeve (4) is fixedly connected with one side of one end, close to the sleeve (3), of the main body (8), the support pipe (6) is coaxially arranged with the support sleeve (4), the support pipe (6) penetrates through the support sleeve (4), the support pipe (6) is in sliding connection with the support sleeve (4), the sucker (1) is installed at one end of the support pipe (6), the spring (2) is sleeved on the support pipe (6), the sucker (1) is fixedly connected with the support sleeve (4) through the spring (2), and the spring (2) is in a compression state, the fan blade type air blower is characterized in that the limiting block (5) is fixedly connected with the other end of the supporting pipe (6), the limiting block (5) is abutted against the supporting sleeve (4), the other end of the supporting pipe (6) is communicated with one end, far away from the supporting sleeve (4), of the main body (8) through a connecting hose (7), the fan blade (14) is installed on a driving shaft (13), each air injection pipe (12) is arranged at one end, close to the sleeve (3), of the main body (8), and each air injection pipe (12) is communicated with the inside of the main body (8);
the heat dissipation mechanism comprises an air inlet pipe (17), a fixing rod (21), an installation block (18), a screw rod (19), a knob (20), an elastic rope (16) and a sealing plate (15), wherein the air inlet pipe (17) is arranged at one end, far away from the sleeve (3), of the main body (8), the air inlet pipe (17) is communicated with the inside of the main body (8), the sealing plate (15) covers one end, close to the motor (10), of the air inlet pipe (17), one side of the sealing plate (15) is hinged with one side, close to one end of the motor (10), of the air inlet pipe (17), the fixing rod (21) is arranged inside the air inlet pipe (17), the installation block (18) is fixedly connected with the fixing rod (21), the axis of the screw rod (19) is parallel to the axis of the air inlet pipe (17), an installation hole is formed in the installation block (18), and the screw rod (19) penetrates through the installation block (18, the screw rod (19) is in threaded connection with the mounting block (18), the other end of the sealing plate (15) is fixedly connected with one end, close to the sealing plate (15), of the screw rod (19) through an elastic rope (16), the elastic rope (16) is in a stretching state, and the knob (20) is mounted at the other end of the screw rod (19).
2. Electric wrench with fixing action according to claim 1, characterized in that the body (8) is provided with a PLC inside, and the handle (9) is provided with a control button electrically connected to the PLC.
3. Electric wrench with fastening action according to claim 1, characterised in that the suction cup (1) is made of rubber.
4. Electric wrench with fixing action according to claim 1, characterized in that the sealing plate (15) is provided with a sealing ring on the side close to the air inlet pipe (17), and the sealing plate (15) is connected with the air inlet pipe (17) in a sealing manner through the sealing ring.
5. Electric wrench with fastening action according to claim 1, characterised in that the knob (20) is provided with anti-slip threads.
6. A fixed action power wrench as claimed in claim 1, in which the motor (10) is a servo motor.
7. Electric wrench with fastening action according to claim 1, characterised in that the body (8) is coated with an anti-corrosion coating.
8. Electric wrench with fastening action according to claim 1, characterised in that the socket (3) is coated with a wear-resistant coating.
9. Electric wrench with fastening function according to claim 1, characterised in that the main body (8) is provided with a sieve (11) inside, and the connection point of the connection hose (7) to the main body (8) is located on the side of the sieve (11) remote from the motor (10).
10. An electric wrench with a fastening function as claimed in claim 1, characterised in that the support tube (6) is coated with grease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010189656.8A CN111300323B (en) | 2020-03-18 | 2020-03-18 | Electric wrench with fixing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010189656.8A CN111300323B (en) | 2020-03-18 | 2020-03-18 | Electric wrench with fixing function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111300323A true CN111300323A (en) | 2020-06-19 |
| CN111300323B CN111300323B (en) | 2021-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010189656.8A Active CN111300323B (en) | 2020-03-18 | 2020-03-18 | Electric wrench with fixing function |
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| Country | Link |
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| CN (1) | CN111300323B (en) |
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| CN113305771A (en) * | 2021-05-13 | 2021-08-27 | 碧云网络科技(广州)有限公司 | Electrician's equipment with clean function |
| CN113927527A (en) * | 2021-10-12 | 2022-01-14 | 赵磊 | Electric screwdriver |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113305771A (en) * | 2021-05-13 | 2021-08-27 | 碧云网络科技(广州)有限公司 | Electrician's equipment with clean function |
| CN113305771B (en) * | 2021-05-13 | 2022-04-22 | 碧云网络科技(广州)有限公司 | Electrician's equipment with clean function |
| CN113927527A (en) * | 2021-10-12 | 2022-01-14 | 赵磊 | Electric screwdriver |
| CN113927527B (en) * | 2021-10-12 | 2024-03-29 | 东莞市速展电子有限公司 | Electric screw driver |
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| CN111300323B (en) | 2021-07-20 |
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Effective date of registration: 20210611 Address after: 276800 rijian Industrial Park, Linyi Road, high tech Zone, Rizhao City, Shandong Province Applicant after: Shandong Minghang Machinery Technology Co.,Ltd. Address before: 510000 building 17, 200 Fangcun Avenue East, Liwan District, Guangzhou City, Guangdong Province Applicant before: Liu Diankun |
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