CN108818371A - A kind of assembly and disassembly methods of electric control permanent magnet allen wrench and hexagon socket head cap screw - Google Patents
A kind of assembly and disassembly methods of electric control permanent magnet allen wrench and hexagon socket head cap screw Download PDFInfo
- Publication number
- CN108818371A CN108818371A CN201810695905.3A CN201810695905A CN108818371A CN 108818371 A CN108818371 A CN 108818371A CN 201810695905 A CN201810695905 A CN 201810695905A CN 108818371 A CN108818371 A CN 108818371A
- Authority
- CN
- China
- Prior art keywords
- crank
- permanent magnet
- electric
- electric control
- allen wrench
- 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
Links
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
- B25B13/00—Spanners; Wrenches
- B25B13/02—Spanners; Wrenches with rigid jaws
-
- 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
- B25B23/16—Handles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention discloses a kind of electric control permanent magnet allen wrenches, it is related to dismantling device technical field, including by top to the sequentially connected turret head in bottom end, first crank, electric-controlled permanent magnetic chuck and the second crank, first crank is rotatably connected with the electric-controlled permanent magnetic chuck, second crank includes vertical shank body and lateral shank body, the electric-controlled permanent magnetic chuck is fixedly connected with the vertical shank body, battery pack is additionally provided in the transverse direction shank body, master switch and change-over switch, the electric-controlled permanent magnetic chuck, the battery pack, it is electrically connected between the master switch and the change-over switch by conducting wire, with convenient to disassembly, it is time saving and energy saving to dismount, the high advantage of disassembly efficiency；The invention also discloses a kind of assembly and disassembly methods of hexagon socket head cap screw, magnetize using change-over switch adjustment, erasing state, without the process of plug again, dismantlement work efficiency is higher.
Description
Technical field
The present invention relates to dismantling device technical fields, more particularly to a kind of electric control permanent magnet allen wrench and interior hexagonal spiral shell
The assembly and disassembly methods of bolt.
Background technique
Die nut is a kind of common hardware tool, the dismounting for hexagonal-head fastener；Currently, conventional hexagonal is pulled
Hand all uses the crank structure at 90 ° of angles, and cross section is the regular hexagon for matching hex bolts top groove；Hexagon socket head cap screw tightens
Or when disassembly, by one end insertion bolt head of crank, the dismounting of bolt is realized by rotary crank other end several weeks.But works as and set
When standby narrow space, allen wrench not can be carried out complete circle rotation, can only rotate an angle of very little every time, then
Die nut is extracted, is adjusted as being reinserted after the crank orientation angles of the arm of force, repeatedly, until dismounting is completed；Especially
It is such as press machine lower die installation operating condition, there are many bolt quantity, and naked eyes can not observe the specific location of bolt, can only lean on
Hand is touched.This mode of operation is very inconvenient, time-consuming and laborious, and efficiency is very poor.In addition, existing allen wrench is all single gauge
To match, each allen wrench corresponds to a kind of hex bolts of specification, since model is more, complete can all be carried when using every time,
Not only inconvenient, but also be easy to lose, also add cost.
To sum up, existing allen wrench for small space dismounting work when, have it is inconvenient for use, it is time-consuming and laborious,
The problem of disassembly efficiency difference.
Summary of the invention
The object of the present invention is to provide a kind of electric control permanent magnet allen wrench and the assembly and disassembly methods of hexagon socket head cap screw, to solve
The above-mentioned problems of the prior art has convenient to disassembly, time saving and energy saving, the high advantage of disassembly efficiency of dismounting.
To achieve the above object, the present invention provides following schemes：
The present invention provides a kind of electric control permanent magnet allen wrench, including by top to the sequentially connected turret head in bottom end,
One crank, electric-controlled permanent magnetic chuck and the second crank, first crank are rotatably connected with the electric-controlled permanent magnetic chuck, and described
Two cranks include vertical shank body and lateral shank body, and the electric-controlled permanent magnetic chuck is fixedly connected with the vertical shank body, the transverse direction
Battery pack, master switch and change-over switch, the electric-controlled permanent magnetic chuck, the battery pack, the master switch are additionally provided in shank body
It is electrically connected between the change-over switch by conducting wire.
Preferably, the turret head bottom end is provided with polygon-shaped seat, and the first crank top is opposite with the pedestal
Polygonal grooves are provided with, the pedestal is plugged in the groove.
Preferably, the pedestal is hexagonal base, and the groove is hexagonal indentations.
Preferably, first crank and the electric-controlled permanent magnetic chuck pass through connection pin connection.
Preferably, the electric-controlled permanent magnetic chuck includes sucker shell and magnetic pole, the sucker shell and second crank
Be integrally formed setting, the sucker shell includes cylindrical inner housing and cylindrical outer housing, the outer housing with it is described
It is circumferentially provided with multiple separation floors between inner housing, is provided with the magnetic pole, institute between separation floor described in every two
Connecting pin is stated to be set in the inner housing.
Preferably, the separation floor is provided with four.
Preferably, the magnetic pole includes magnetizer, permanent magnet, reversible magnetic body and magnet exciting coil, the magnetizer and described
Permanent magnet is set at the top of the reversible magnetic body, and the permanent magnet is set to the magnetizer periphery, the magnet exciting coil winding
Outside the reversible magnetic body.
Preferably, the permanent magnet is rectangular parallelepiped structure, and the cross section of the reversible magnetic body is trapezoidal.
Preferably, the permanent magnet is rubidium iron boron material, and the reversible magnetic body is Al-Ni-Co permanent magnet material.
Preferably, the gap between the magnetizer, the permanent magnet and the reversible magnetic body is filled by epoxy resin.
Preferably, the battery pack is set in the shell of the lateral shank body, and the change-over switch is set to the cross
To shank body tail end, the master switch is set to the hull outside of the lateral shank body.
The present invention also provides a kind of assembly and disassembly methods using electric control permanent magnet allen wrench dismounting hexagon socket head cap screw, including
Following steps：
Step 1: pressing described turn in the nut groove for the hexagon socket head cap screw that turret head insertion is dismounted in advance
It is unclamped after changing switch, is at magnetization status to electric-controlled permanent magnetic chuck forward direction energization, generates magnetic attraction, make described automatically controlled
It is fixedly connected between permanent magnetic chuck and first crank；
Step 2：It keeps the turret head to be in the nut groove of the hexagon socket head cap screw, rotates horizontally described second
Crank drives the hexagon socket head cap screw precession or screws out a distance, complete the one of bolt disassembly to maximum rotatable position
Part works；
Step 3：It is unclamped after pressing the change-over switch again, being reversely powered to the electric-controlled permanent magnetic chuck makes it
In erasing state, the magnetic attraction between first crank and the electric-controlled permanent magnetic chuck subsides, and second crank is rotated
To initial position, first crank and the turret head are motionless；
It magnetizes and the dismounting work under erasing state Step 4: repetition is above-mentioned, until completing tearing open for the hexagon socket head cap screw
Dress.
The present invention achieves following advantageous effects compared with the existing technology：
1, the assembly and disassembly methods of electric control permanent magnet allen wrench and hexagon socket head cap screw provided by the invention use in wrench device
Electric control permanent magnet technology uses in narrow dismounting space, does not need plug again, energy after allen wrench turns an angle
Enough hexagon socket head cap screws conveniently disassembled in small space, time saving and energy saving, disassembly efficiency is higher.
2, the assembly and disassembly methods of electric control permanent magnet allen wrench and hexagon socket head cap screw provided by the invention, a wrench body energy
It is enough equipped with the dismounting plug of a variety of different sizes, it is easy to carry, reduce manufacturing cost.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of electric control permanent magnet allen wrench in the present invention；
Fig. 2 is the schematic cross-sectional view of electric-controlled permanent magnetic chuck in the present invention；
Fig. 3 is the overlooking structure diagram of electric-controlled permanent magnetic chuck in the present invention；
Fig. 4 is the structural schematic diagram of turret head in the present invention；
Fig. 5 is the structural schematic diagram of the first crank in the present invention；
In figure：1- turret head, the first crank of 2-, 3- connecting pin, 4- electric-controlled permanent magnetic chuck, the second crank of 5-, 6- conducting wire, 7-
Battery pack, 8- master switch, 9- change-over switch, 10- pedestal, 11- groove, 12- sucker shell, 13- magnetic pole, 14- inner housing, 15-
Outer housing, 16- separate floor, 17- magnetizer, 18- permanent magnet, 19- reversible magnetic body, 20- magnet exciting coil, 21- epoxy resin.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of electric control permanent magnet allen wrench and the assembly and disassembly methods of hexagon socket head cap screw, to solve
Problem of the existing technology.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
The present embodiment provides a kind of electric control permanent magnet allen wrenches, as shown in Figs. 1-5, including are successively connected by top to bottom end
Turret head 1, the first crank 2, electric-controlled permanent magnetic chuck 4 and the second crank 5 connect, the first crank 2 can be rotated with electric-controlled permanent magnetic chuck 4
Connection, the second crank 5 include vertical shank body and lateral shank body, and electric-controlled permanent magnetic chuck 4 is fixedly connected with the vertical shank body, described
Battery pack 7, master switch 8 and change-over switch 9, electric-controlled permanent magnetic chuck 4, battery pack 7,8 and of master switch are additionally provided in lateral shank body
It is electrically connected between change-over switch 9 by conducting wire 6.
In order to realize the radially fixed of turret head 1 and the first crank 2 and axial pluggable connection, in the present embodiment, six
A polygon-shaped seat 10 is arranged in 1 bottom end of angle head, and the top of the first crank 2 opens up a polygonal grooves corresponding with pedestal 10
11, pedestal 10 is plugged in groove 11；Hexagonal base 10 specifically is set by pedestal 10 in this implementation, groove 11 is set as
Hexagonal indentations 11；In the present embodiment, pedestal 10 and groove 11 use dismountable plug connection mode, in use side
Just the turret head 1 for replacing different size, in manufacturing process, the size constancy of pedestal 10, it is only necessary to make the hexagonal of different size
First 1, in use process, according to various sizes of bolt indentation 11, the turret head 1 of quick-replaceable different size.
In the present embodiment, in order to realize being rotatably connected for the first crank 2 and electric-controlled permanent magnetic chuck 4, by 2 He of the first crank
The axle center of electric-controlled permanent magnetic chuck 4 is connected by connecting pin 3；Connecting pin 3 can guarantee the first crank 2 and electric-controlled permanent magnetic chuck 4 it
Between radially can be rotated, and axial can be connected and fixed.
In the present embodiment, electric-controlled permanent magnetic chuck 4 includes sucker shell 12 and magnetic pole 13, sucker shell 12 and the second crank 5
It is integrally formed setting, sucker shell 12 includes cylindrical inner housing 14 and cylindrical outer housing 15, outer housing 15 and inner casing
Multiple separation floors 16 are circumferentially provided between body 14, every two, which separates, is provided with a magnetic pole 13, connecting pin 3 between floor 16
It is set in inner housing 14；Wherein separate floor 16 specifically there are four settings, there are four corresponding magnetic pole 13 is also provided with；Magnetic pole
13 include magnetizer 17, permanent magnet 18, reversible magnetic body 19 and magnet exciting coil 20, and magnetizer 17 and permanent magnet 18 are set to reversible magnetic
19 top of body, permanent magnet 18 are set to 17 periphery of magnetizer, and magnet exciting coil 20 is wound in outside reversible magnetic body 19；
In the present embodiment, as preferred, permanent magnet 18 is rectangular parallelepiped structure；The cross section of reversible magnetic body 19 be it is trapezoidal,
Convenient for winding magnet exciting coil 20.
In the present embodiment, permanent magnet 18 uses coercivity and all very big NdFeB material of remanent magnetism, such material price
More cheap, cost performance is high, and has good mechanical performance；Reversible magnetic body 19 is then using low-coercivity, the aluminium of high remanent magnetism
Nickel cobalt permanent magnet material, high remanent magnetism purpose are to provide the magnetic field strength of some strength, and low-coercivity is then easy for changing magnetic pole side
To.It is wound on the outside of reversible magnetic body 19 using magnet exciting coil 20, it is adjusted using pulse current, change its magnetic pole side
To cooperation permanent magnet 18 completes the magnetic circuit conversion for filling demagnetization.Magnetizer 17 mainly plays magnetic conduction it is necessary to have high permeability,
Ingot iron can be met the requirements.Using the casting filling of epoxy resin 21 in the gap of electric-controlled permanent magnetic chuck 4, can be increased automatically controlled
The integral strength and rigidity of permanent magnetic chuck 4, and foreign matter can be prevented to enter.
In addition, battery pack 7 is set in the shell of the lateral shank body, and change-over switch 9 is set to described in the present embodiment
Lateral shank body tail end, the master switch 8 are set to the hull outside of the lateral shank body.
The present embodiment additionally provides a kind of dismounting side using above-mentioned electric control permanent magnet allen wrench dismounting hexagon socket head cap screw
Method, including following dismounting step：
Step 1: turret head 1 is inserted into the nut groove of the hexagon socket head cap screw dismounted in advance, presses the conversion and open
It is unclamped after closing 9, is at magnetization status to positive be powered of electric-controlled permanent magnetic chuck 4, generates magnetic attraction, electric-controlled permanent magnetic chuck 4 can
First crank 2 is firmly sucked, makes to be fixedly connected between electric-controlled permanent magnetic chuck 4 and the first crank 2, guarantees that the two will not be opposite
Rotation, so that the first crank 2 and the second crank 5 constitute firm rigid body；
Step 2：On the basis of step 1, turret head 1 is kept to be in the nut groove 11 of hexagon socket head cap screw, it is horizontal
The second crank 5 is rotated to maximum rotatable position, is driven the hexagon socket head cap screw precession or is screwed out a distance, completes bolt
A part work of dismounting；
Step 3：It is unclamped after pressing change-over switch 9 again, reversely being powered to being to electric-controlled permanent magnetic chuck 4 disappears
Magnetic state, magnetic attraction between the first crank 2 and electric-controlled permanent magnetic chuck 4 subside, by the second crank 5 rotation to initial position, first
Crank 2 and turret head 1 are motionless；
It magnetizes and the dismounting work under erasing state Step 4: repetition is above-mentioned, until completing tearing open for the hexagon socket head cap screw
Dress.
It should be noted that, for magnetization status, being shown consideration in each magnetic pole unit with magnetic conduction when electric-controlled permanent magnetic chuck works
The permanent magnet for closing side is identical with the polarity of reversible magnetic body, and the polarity of adjacent pole unit is on the contrary, when magnet exciting coil is passed through pulse
The magnetic line of force direction that reversible magnetic body generates after DC current is consistent with permanent magnet magnetic line of force direction, and is overlapped mutually, at this time sucker
External manifestation be with magnetic attraction；And when unloading, it is reversely magnetized to reversible magnetic body, is passed through reverse impulse direct current to coil
Electric current changes its magnetic direction, and at this time in each magnetic pole unit, the polarity of reversible magnetic body and permanent magnet close neighbour are by under magnetization status
The same sex be converted to the opposite sex, the magnetic line of force only constitutes closed circuit in electric-controlled permanent magnetic chuck, and external macro manifestations are exactly no magnetic shape
State, as demagnetization.
Invention applies a specific example illustrates the principle and implementation of the invention, above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, foundation
Thought of the invention, there will be changes in the specific implementation manner and application range.To sum up, the content of the present specification should not manage
Solution is limitation of the present invention.
Claims (10)
1. a kind of electric control permanent magnet allen wrench, it is characterised in that：Including by top to the sequentially connected turret head in bottom end, first
Crank, electric-controlled permanent magnetic chuck and the second crank, first crank are rotatably connected with the electric-controlled permanent magnetic chuck, and described second
Crank includes vertical shank body and lateral shank body, and the electric-controlled permanent magnetic chuck is fixedly connected with the vertical shank body, the transverse handle
Be additionally provided with battery pack, master switch and change-over switch on body, the electric-controlled permanent magnetic chuck, the battery pack, the master switch and
It is electrically connected between the change-over switch by conducting wire.
2. electric control permanent magnet allen wrench according to claim 1, it is characterised in that：The turret head bottom end is provided with more
Side shape pedestal, the first crank top are relatively set with polygonal grooves with the pedestal, and the pedestal is plugged in described recessed
In slot.
3. electric control permanent magnet allen wrench according to claim 2, it is characterised in that：The pedestal is hexagonal base,
The groove is hexagonal indentations.
4. electric control permanent magnet allen wrench according to claim 1, it is characterised in that：First crank with it is described automatically controlled
Permanent magnetic chuck passes through connection pin connection.
5. electric control permanent magnet allen wrench according to claim 4, it is characterised in that：The electric-controlled permanent magnetic chuck includes inhaling
Disk shell and magnetic pole, the sucker shell and second crank, which are integrally formed, to be arranged, and the sucker shell includes cylindrical
Inner housing and cylindrical outer housing, are circumferentially provided with multiple separation floors between the outer housing and the inner housing, and every two
It is provided with the magnetic pole between a separation floor, the connecting pin is set in the inner housing.
6. electric control permanent magnet allen wrench according to claim 5, it is characterised in that：The separation floor is provided with four
It is a.
7. electric control permanent magnet allen wrench according to claim 6, it is characterised in that：The magnetic pole includes magnetizer, forever
Magnet, reversible magnetic body and magnet exciting coil, the magnetizer and the permanent magnet are set at the top of the reversible magnetic body, the permanent magnetism
Body is set to the magnetizer periphery, and the magnet exciting coil is wound in outside the reversible magnetic body；
Optionally, the permanent magnet is rectangular parallelepiped structure, and the cross section of the reversible magnetic body is trapezoidal；
Optionally, the permanent magnet is rubidium iron boron material, and the reversible magnetic body is Al-Ni-Co permanent magnet material.
8. electric control permanent magnet allen wrench according to claim 7, it is characterised in that：The magnetizer, the permanent magnet
It is filled by epoxy resin in gap between the reversible magnetic body.
9. electric control permanent magnet allen wrench according to claim 1, it is characterised in that：The battery pack is set to the cross
Into the shell of shank body, the change-over switch is set to the lateral shank body tail end, and the master switch is set to the transverse handle
The hull outside of body.
10. a kind of assembly and disassembly methods using electric control permanent magnet allen wrench as described in claim 1 dismounting hexagon socket head cap screw,
It is characterized in that including the following steps：
Step 1: pressing the conversion in the nut groove for the hexagon socket head cap screw that turret head insertion is dismounted in advance and opening
It is unclamped behind pass, is at magnetization status to electric-controlled permanent magnetic chuck forward direction energization, generates magnetic attraction, make the electric control permanent magnet
It is fixedly connected between sucker and first crank；
Step 2：It keeps the turret head to be in the nut groove of the hexagon socket head cap screw, rotates horizontally second crank
To maximum rotatable position, drives the hexagon socket head cap screw precession or screw out a distance, complete a part of bolt disassembly
Work；
Step 3：It is unclamped after pressing the change-over switch again, is reversely powered and is to the electric-controlled permanent magnetic chuck
Erasing state, the magnetic attraction between first crank and the electric-controlled permanent magnetic chuck subside, second crank are rotated to first
Beginning position, first crank and the turret head are motionless；
It magnetizes and the dismounting work under erasing state Step 4: repetition is above-mentioned, until completing the dismounting of the hexagon socket head cap screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810695905.3A CN108818371B (en) | 2018-06-29 | 2018-06-29 | Electric control permanent magnet inner hexagon wrench and inner hexagon bolt dismounting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810695905.3A CN108818371B (en) | 2018-06-29 | 2018-06-29 | Electric control permanent magnet inner hexagon wrench and inner hexagon bolt dismounting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108818371A true CN108818371A (en) | 2018-11-16 |
| CN108818371B CN108818371B (en) | 2019-12-10 |
Family
ID=64133893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810695905.3A Active CN108818371B (en) | 2018-06-29 | 2018-06-29 | Electric control permanent magnet inner hexagon wrench and inner hexagon bolt dismounting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108818371B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201895279U (en) * | 2010-12-01 | 2011-07-13 | 吴江市金茂五金有限公司 | Electromagnet socket spanner |
| CN202640222U (en) * | 2012-04-27 | 2013-01-02 | 山西省电力公司大同供电分公司 | Hexagon bolt spanner set |
| CN105081107A (en) * | 2015-09-23 | 2015-11-25 | 燕山大学 | Drawing forming die with blank pressing conducted by adopting electronic control permanent magnet technique and blank pressing method of drawing forming die |
| CN204935467U (en) * | 2015-09-08 | 2016-01-06 | 国网山东省电力公司经济技术研究院 | Separate type inner hexagon spanner |
| CN207223347U (en) * | 2017-08-03 | 2018-04-13 | 广州雅通科技有限公司 | One kind turns round automatic screwing down apparatus surely |
-
2018
- 2018-06-29 CN CN201810695905.3A patent/CN108818371B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201895279U (en) * | 2010-12-01 | 2011-07-13 | 吴江市金茂五金有限公司 | Electromagnet socket spanner |
| CN202640222U (en) * | 2012-04-27 | 2013-01-02 | 山西省电力公司大同供电分公司 | Hexagon bolt spanner set |
| CN204935467U (en) * | 2015-09-08 | 2016-01-06 | 国网山东省电力公司经济技术研究院 | Separate type inner hexagon spanner |
| CN105081107A (en) * | 2015-09-23 | 2015-11-25 | 燕山大学 | Drawing forming die with blank pressing conducted by adopting electronic control permanent magnet technique and blank pressing method of drawing forming die |
| CN207223347U (en) * | 2017-08-03 | 2018-04-13 | 广州雅通科技有限公司 | One kind turns round automatic screwing down apparatus surely |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108818371B (en) | 2019-12-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203835887U (en) | Rotating magnetic lock screw kit | |
| CN202622626U (en) | Multifunctional sleeve for threaded fasteners | |
| CN106768293B (en) | A kind of sensor for extra-high voltage transformer vibration-testing releases and recovers device | |
| CN108818371A (en) | A kind of assembly and disassembly methods of electric control permanent magnet allen wrench and hexagon socket head cap screw | |
| CN204936041U (en) | Two-sided electric permanent-magnet suction disc | |
| CN204366903U (en) | Pipeline adpting flange bolt disassembly instrument | |
| CN211639690U (en) | Automobile disassembling tool | |
| CN103753324B (en) | A kind of electric permanent-magnet suction disc | |
| CN101380729A (en) | Socket wrench with magnetism | |
| CN219504077U (en) | Case material loading equipment mechanism | |
| CN208788081U (en) | Combined electrical permanent magnetic chuck | |
| CN203092419U (en) | Ratchet wheel monkey spanner with switching function | |
| CN204546851U (en) | Injection machine quick die change Magnetic template | |
| CN214445915U (en) | Magnetic-type anti-slip screw driver | |
| CN205927172U (en) | Inflation anchor clamps | |
| CN201920791U (en) | Sliding hammer | |
| CN209688457U (en) | A kind of magnetic force adsorption support | |
| CN209929604U (en) | Rifle that charges convenient to connecting wire and rifle that charges are dismantled and are installed | |
| CN108597853B (en) | Quantitative rotary winding machine base for winding high-voltage coil of dry-type transformer | |
| CN208196118U (en) | For removing the device of the nut on conducting rod | |
| CN215258622U (en) | Safety device for machine room construction | |
| CN112517241B (en) | Magnetic roller for wet-type permanent magnet drum-type high-intensity magnetic separator and assembling process thereof | |
| CN203984213U (en) | A kind of power facility | |
| CN218670473U (en) | Self-locking type quick lead screw assembly | |
| CN221592747U (en) | Portable tourism exhibition show lamp |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210713 Address after: 2-2-1-61, No. 319, Haier Road, Jiangbei District, Chongqing Patentee after: Chongqing Steady Technology Co.,Ltd. Address before: 066000 No. 438, Hebei Avenue, Qinhuangdao, Hebei Patentee before: Yanshan University |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230713 Address after: 528000 Xiqiao Industrial Zone, Shatou Sharon Road, Jiujiang Town, Nanhai District, Foshan City, Guangdong Province (Wentai Company side) Patentee after: Foshan Dihui Technology Industry Co.,Ltd. Address before: 2-2-1-61, No. 319, Haier Road, Jiangbei District, Chongqing Patentee before: Chongqing Steady Technology Co.,Ltd. |