CN113043201A - Screwdriver with function of eliminating interference lines and method - Google Patents

Screwdriver with function of eliminating interference lines and method Download PDF

Info

Publication number
CN113043201A
CN113043201A CN202110353872.6A CN202110353872A CN113043201A CN 113043201 A CN113043201 A CN 113043201A CN 202110353872 A CN202110353872 A CN 202110353872A CN 113043201 A CN113043201 A CN 113043201A
Authority
CN
China
Prior art keywords
screwdriver
installation
function
eliminating
block
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
Application number
CN202110353872.6A
Other languages
Chinese (zh)
Other versions
CN113043201B (en
Inventor
马建仓
黄鹤鸣
杨云
洪伟
黄晓东
于起媛
张阳
王燕京
季雨
李志超
李立新
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.)
State Grid Corp of China SGCC
State Grid Beijing Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Beijing Electric Power Co Ltd
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 State Grid Corp of China SGCC, State Grid Beijing Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN202110353872.6A priority Critical patent/CN113043201B/en
Publication of CN113043201A publication Critical patent/CN113043201A/en
Application granted granted Critical
Publication of CN113043201B publication Critical patent/CN113043201B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B15/00Screwdrivers
    • B25B15/02Screwdrivers operated by rotating the handle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00Details of, or accessories for, spanners, wrenches, screwdrivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)

Abstract

The invention discloses a screwdriver with a function of eliminating interference lines and a method, wherein the screwdriver comprises an installation cylinder, wherein a rotating bearing is fixedly installed at one end in the installation cylinder, an installation rod is fixedly installed in the rotating bearing, and a first friction block is fixedly installed at one side of the installation rod in the installation cylinder; the other end fixed mounting has the internal thread sleeve in the installation section of thick bamboo, and internal thread sleeve internal thread normal running fit has the screw thread piece, and one side fixed mounting that the screw thread piece is close to rolling bearing has the second clutch blocks, and normal running fit has the lantern ring on the installation pole, and both sides fixed mounting has the plectrum on the lantern ring. The extrusion force between the first friction block and the second friction block is adjusted by adjusting the matching length of the thread block and the inner thread sleeve, the pre-tightening force limit of the installation rod can be adjusted, the installation rod and the installation cylinder rotate relatively after the pre-tightening force limit is reached, force can not be continuously applied, and the same pre-tightening force of the screw can be ensured.

Description

Screwdriver with function of eliminating interference lines and method
Technical Field
The invention belongs to the technical field of disassembling tools, and particularly relates to a screwdriver with a function of eliminating interference lines and a method.
Background
A screwdriver is a common tool used to turn a screw into place and typically has a thin wedge shaped head that is insertable into a slot or recess in the head of the screw. Mainly comprises a straight line and a cross. Hexagonal screwdrivers, including both inner and outer hexagonal screwdrivers, are also common. The screwdriver bit with superior quality is made of spring steel with higher hardness. A good screwdriver should be hard but not brittle, hard with tough. When the opening of the screw head becomes bald and slips, the screw driver can be knocked by the hammer, the groove of the screw is knocked to be deeper, the screw is convenient to unscrew, and the screw driver can not damage the screw at all; the screwdriver is often used for prying things, and certain toughness is required to be achieved without bending and bending.
In the electric maintenance process, the screw on the terminal row is screwed up and is totally relied on manual experience, and the screw is twisted and is sent and can lead to the wire rod to drop easily, twists and can lead to smooth silk and the screw hole on the terminal row to damage by the tension, needs to change electric elements, can not twist according to the atress limit of terminal row and move the screw steadily, and the urgent need is a screwdriver that has the function of getting rid of the interference line now.
Disclosure of Invention
The invention aims to provide a screwdriver with a function of eliminating interference wires and a method thereof, and aims to solve the problems that in the prior art, during electrical maintenance, the screwing of screws on a terminal strip is completely based on manual experience, wires are easy to drop off due to over-delivery of the screws, and the screws are easy to slip and threaded holes on the terminal strip are damaged due to over-screwing.
In order to achieve the purpose, the invention provides the following technical scheme:
a screwdriver with the function of eliminating interference lines comprises an installation cylinder, wherein a rotating bearing is fixedly installed at one end in the installation cylinder, an installation rod is fixedly installed in the rotating bearing, and a first friction block is fixedly installed on one side, in the installation cylinder, of the installation rod;
the other end fixed mounting has an internal thread sleeve in the installation section of thick bamboo, internal thread sleeve internal thread normal running fit has the screw thread piece, one side fixed mounting that the screw thread piece is close to rolling bearing has the second clutch blocks, normal running fit has the lantern ring on the installation pole, both sides fixed mounting has the plectrum on the lantern ring.
Furthermore, one side of the mounting rod, which is far away from the mounting cylinder, is provided with a groove, a magnetic suction block is in sliding fit in the groove, the magnetic suction block is in magnetic suction fit with the bottom of the groove, and one side of the magnetic suction block, which is far away from the groove, is fixedly provided with a replaceable tool bit.
Furthermore, the cross sections of the groove and the magnetic suction block are rectangular.
Further, an anti-thrust flange is fixedly mounted on the mounting rod and is in running fit with the rotating bearing.
Furthermore, one side of the thread block, which is far away from the rotating bearing, is fixedly provided with a push rod, one side of the installation cylinder, which is far away from the rotating bearing, is provided with a through hole, and the push rod is in running fit with the through hole.
Furthermore, a handle is fixedly arranged on the push rod.
Furthermore, the push rod is provided with scale marks.
Furthermore, a flexible sleeve is fixedly mounted on the outer side of the mounting cylinder.
Further, a transverse groove and an annular groove are formed in the flexible sleeve.
The embodiment of the invention provides another technical scheme that:
the application method of the screwdriver with the function of eliminating the interference lines comprises
After confirming the specification and the atress limit of terminal row, rotate the telescopic length of regulation thread piece and internal thread, produce the extrusion between messenger's first clutch block and the second clutch block, will install pole and lantern ring and stretch into terminal row, rotate the lantern ring and dial the wire rod out, rotate the installation section of thick bamboo and drive installation pole and interchangeable tool bit and screw up the screw, the torsional force that the installation pole received after reaching the pretightning force of settlement makes first clutch block and second clutch block rotate relatively, can't carry out further screwing up, reach the identical effect of the pretightning force of each screw promptly.
Compared with the prior art, the invention has the beneficial effects that:
according to the screwdriver provided by the embodiment of the invention, the extrusion force between the first friction block and the second friction block is adjusted by adjusting the matching length of the thread block and the internal thread sleeve, the limit of the pre-tightening force applied to the mounting rod can be adjusted, the mounting rod and the mounting cylinder rotate relatively after the limit of the pre-tightening force is reached, the force cannot be applied continuously, and the same pre-tightening force of the screws can be ensured.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a screwdriver in an embodiment of the invention.
Fig. 2 is a schematic structural view of a section a-a of the screwdriver in the embodiment of the invention.
Fig. 3 is a schematic structural view of an internal thread sleeve of a screwdriver in an embodiment of the invention.
In the figure: 1-mounting cylinder, 2-rotating bearing, 3-mounting rod, 4-thrust flange, 5-first friction block, 6-internal thread sleeve, 7-thread block, 8-second friction block, 9-through hole, 10-push rod, 11-handle, 12-lantern ring, 13-plectrum, 14-replaceable cutter head, 15-groove, 16-magnetic attraction block, 17-scale mark, 18-flexible sleeve, 19-transverse groove and 20-annular groove.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The following detailed description is exemplary in nature and is intended to provide further details of the invention. Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention.
Example 1
Referring to fig. 1 to 3, in an embodiment of the present invention, a screwdriver with a function of eliminating an interference line includes an installation cylinder 1, a rotating bearing 2 is fixedly installed at one side in the installation cylinder 1, an installation rod 3 is fixedly installed in the rotating bearing 2, and a first friction block 5 is fixedly installed at one side of the installation rod 3 in the installation cylinder 1. An internal thread sleeve 6 is fixedly arranged on the other side in the mounting barrel 1, a thread block 7 is rotatably matched with the internal thread of the internal thread sleeve 6, a second friction block 8 is fixedly arranged on one side, close to the rotating bearing 2, of the thread block 7, a lantern ring 12 is rotatably matched with the mounting rod 3, shifting pieces 13 are fixedly arranged on two sides of the lantern ring 12, when the lantern ring 12 and the shifting pieces 13 reach a terminal row along with the mounting rod 3, the lantern ring 12 is manually rotated, the shifting pieces 13 can shift wires apart, a better operation visual field can be provided, the extrusion force between the first friction block 5 and the second friction block 8 can be adjusted by rotatably adjusting the matching length of the thread block 7 and the internal thread sleeve 6, when the torsional force received by the mounting rod 3 in a rotating mode reaches the maximum value of the friction force between the first friction block 5 and the second friction block 8, the first friction block 5 and the second friction block 8 rotate relatively, namely the mounting rod 3 cannot be rapidly screwed, the screw and the terminal strip can be protected, and the pretightening force of each screw can be guaranteed to be the same.
Keep away from one side of installation section of thick bamboo 1 on installation pole 3 and be provided with recess 15, sliding fit has magnetism to inhale piece 16 in recess 15, magnetism inhales piece 16 and the cooperation of inhaling in the 15 bottoms of recess, magnetism inhales piece 16 and keeps away from one side fixed mounting of recess 15 and has interchangeable tool bit 14, can carry out the change to interchangeable tool bit 14 according to concrete terminal row specification, reduced the heavy burden in the maintenance process, magnetism inhales piece 16 and can adsorb the screw when interchangeable tool bit 14 twists the screw, prevent that the screw from dropping.
The cross-section of the groove 15 and the magnetic block 16 is rectangular, so that the replaceable bit 14 can be prevented from rotating relative to the mounting rod 3 when the screw is screwed.
Example 2
Referring to fig. 1 to 3, in the embodiment of the present invention, the mounting rod 3 is fixedly provided with the thrust flange 4, and the thrust flange 4 is rotatably engaged with the rotating bearing 2, so as to prevent the first friction block 5 and the second friction block 8 from being squeezed to damage the connection between the rotating bearing 2 and the mounting rod 3.
One side fixed mounting that rolling bearing 2 was kept away from to screw thread piece 7 has push rod 10, and one side that rolling bearing 2 was kept away from to installation section of thick bamboo 1 is provided with through-hole 9, and push rod 10 and through-hole 9 normal running fit, fixed mounting has handle 11 on the push rod 10, can make things convenient for manual regulation.
The push rod 10 is provided with scale marks 17, and the pretightening force can be accurately determined according to the friction coefficient between the first friction block 5 and the second friction block 8.
The flexible sleeve 18 is fixedly mounted on the outer side of the mounting barrel 1, and the transverse groove 19 and the annular groove 20 are formed in the flexible sleeve 18, so that the situation of slipping in the rotating process can be prevented, and the screwdriver can be prevented from falling off from the hand of a technician to a certain extent.
The working principle of the invention is as follows: after confirming the specification and the atress limit of terminal row, rotate the length of adjusting thread piece 7 and internal thread sleeve 6, produce the extrusion between messenger's first clutch block 5 and the second clutch block 8, stretch into terminal row with installation pole 3 and lantern ring 12, rotate lantern ring 12 and dial the wire rod open, rotate installation section of thick bamboo 1 and drive installation pole 3 and interchangeable tool bit 14 and screw up the screw, the torsional force that installation pole 3 received after reaching the pretightning force of settlement makes first clutch block 5 and second clutch block 8 rotate relatively, can't carry out further screwing up, reach the equal effect of the pretightning force of each screw promptly.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.

Claims (10)

1. The screwdriver with the function of eliminating the interference lines is characterized by comprising an installation barrel (1), wherein a rotating bearing (2) is fixedly installed at one end in the installation barrel (1), an installation rod (3) is fixedly installed in the rotating bearing (2), and a first friction block (5) is fixedly installed on one side, in the installation barrel (1), of the installation rod (3);
other end fixed mounting has interior thread sleeve (6) in installation section of thick bamboo (1), interior thread sleeve (6) internal thread normal running fit has screw thread piece (7), one side fixed mounting that screw thread piece (7) are close to rolling bearing (2) has second clutch blocks (8), normal running fit has the lantern ring (12) on installation pole (3), both sides fixed mounting has plectrum (13) on the lantern ring (12).
2. The screwdriver with the function of eliminating the interference lines according to claim 1, wherein a groove (15) is formed in one side, far away from the mounting barrel (1), of the mounting rod (3), a magnetic attraction block (16) is in sliding fit in the groove (15), the magnetic attraction block (16) is in magnetic attraction fit with the bottom of the groove (15), and a replaceable bit (14) is fixedly mounted on one side, far away from the groove (15), of the magnetic attraction block (16).
3. The screwdriver with the function of eliminating the interference wires according to claim 2, wherein the cross section of the groove (15) and the magnetic suction block (16) is rectangular.
4. The screwdriver with the function of eliminating the interference lines according to claim 2, wherein a thrust flange (4) is fixedly arranged on the mounting rod (3), and the thrust flange (4) is in rotating fit with the rotating bearing (2).
5. The screwdriver with the function of eliminating the interference lines as claimed in claim 1, wherein a push rod (10) is fixedly installed on one side of the thread block (7) far away from the rotating bearing (2), a through hole (9) is formed in one side of the installation cylinder (1) far away from the rotating bearing (2), and the push rod (10) is in rotating fit with the through hole (9).
6. The screwdriver with the function of eliminating the interference wires according to claim 5, wherein a handle (11) is fixedly arranged on the push rod (10).
7. The screwdriver with the function of eliminating the interference lines as claimed in claim 5, wherein the push rod (10) is provided with scale marks (17).
8. The screwdriver with the function of eliminating the interference wires as claimed in claim 5, wherein a flexible sleeve (18) is fixedly arranged on the outer side of the mounting cylinder (1).
9. Screwdriver with function of eliminating interference wires according to claim 5, characterised in that the flexible sleeve (18) is provided with transverse grooves (19) and annular grooves (20).
10. The use method of the screwdriver with the function of eliminating the interference lines as claimed in any one of claims 1 to 9, characterized by comprising
After the specification and the stress limit of the terminal row are determined, the length of the thread block (7) and the length of the internal thread sleeve (6) are adjusted in a rotating mode, extrusion is generated between the first friction block (5) and the second friction block (8), the mounting rod (3) and the sleeve ring (12) stretch into the terminal row, the wire is pulled out by rotating the sleeve ring (12), the mounting rod (3) and the replaceable tool bit (14) are driven to screw the screw by rotating the mounting cylinder (1), the first friction block (5) and the second friction block (8) rotate relatively due to the torsional force of the mounting rod (3) after the set pre-tightening force is achieved, further screwing cannot be conducted, and the effect that the pre-tightening force of each screw is the same is achieved.
CN202110353872.6A 2021-03-31 2021-03-31 Screwdriver with function of eliminating interference lines and method Active CN113043201B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110353872.6A CN113043201B (en) 2021-03-31 2021-03-31 Screwdriver with function of eliminating interference lines and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110353872.6A CN113043201B (en) 2021-03-31 2021-03-31 Screwdriver with function of eliminating interference lines and method

Publications (2)

Publication Number Publication Date
CN113043201A true CN113043201A (en) 2021-06-29
CN113043201B CN113043201B (en) 2022-11-15

Family

ID=76517069

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110353872.6A Active CN113043201B (en) 2021-03-31 2021-03-31 Screwdriver with function of eliminating interference lines and method

Country Status (1)

Country Link
CN (1) CN113043201B (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200906565A (en) * 2007-08-07 2009-02-16 Ho-Tien Chen A clutch with a torque releasing device for a screw driver blade
CN201573150U (en) * 2010-01-04 2010-09-08 重庆师范大学 Screwdriver capable of displaying input torsion
CN103846854A (en) * 2012-12-04 2014-06-11 陈达平 Screwdriver capable of displaying torque and locking adjustment
CN104162866A (en) * 2014-07-29 2014-11-26 陕西高华知本化工科技有限公司 Mechanical torque-adjustable screwdriver
CN204725403U (en) * 2015-06-10 2015-10-28 国网天津市电力公司 A kind of screwdriver with exclusive PCR line function
CN208067726U (en) * 2018-02-27 2018-11-09 创维电子(内蒙古)有限公司 A kind of TV assembly screw-driving apparatus
CN208289783U (en) * 2018-06-06 2018-12-28 徐州华夏电子有限公司 magnetic screwdriver
CN210099878U (en) * 2019-05-24 2020-02-21 杭州旺得自动化科技有限公司 Precision screwdriver
US20200078925A1 (en) * 2018-09-06 2020-03-12 Xiamen Nanchbit Precision Tools Co., Ltd. Stepless telescoping mechanism and stepless telescopic screwdriver
CN211388523U (en) * 2019-12-26 2020-09-01 海盐县人民医院 Medical screw-dropping-preventing screwdriver

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200906565A (en) * 2007-08-07 2009-02-16 Ho-Tien Chen A clutch with a torque releasing device for a screw driver blade
CN201573150U (en) * 2010-01-04 2010-09-08 重庆师范大学 Screwdriver capable of displaying input torsion
CN103846854A (en) * 2012-12-04 2014-06-11 陈达平 Screwdriver capable of displaying torque and locking adjustment
CN104162866A (en) * 2014-07-29 2014-11-26 陕西高华知本化工科技有限公司 Mechanical torque-adjustable screwdriver
CN204725403U (en) * 2015-06-10 2015-10-28 国网天津市电力公司 A kind of screwdriver with exclusive PCR line function
CN208067726U (en) * 2018-02-27 2018-11-09 创维电子(内蒙古)有限公司 A kind of TV assembly screw-driving apparatus
CN208289783U (en) * 2018-06-06 2018-12-28 徐州华夏电子有限公司 magnetic screwdriver
US20200078925A1 (en) * 2018-09-06 2020-03-12 Xiamen Nanchbit Precision Tools Co., Ltd. Stepless telescoping mechanism and stepless telescopic screwdriver
CN210099878U (en) * 2019-05-24 2020-02-21 杭州旺得自动化科技有限公司 Precision screwdriver
CN211388523U (en) * 2019-12-26 2020-09-01 海盐县人民医院 Medical screw-dropping-preventing screwdriver

Also Published As

Publication number Publication date
CN113043201B (en) 2022-11-15

Similar Documents

Publication Publication Date Title
US8733216B1 (en) Depth setter bit holder
CA2619782C (en) Fasteners with multi-tiered recesses and drivers with multi-tiered driving tips
US20090180839A1 (en) Concrete Anchor Insertion Device and Method
CN113043201B (en) Screwdriver with function of eliminating interference lines and method
IE49745B1 (en) Combination hole-drilling and fastener-driving tools
CN200970735Y (en) Torque wrench special for round nut
CN109746856A (en) One kind is electronic to determine torsional impact spanner
CN217947189U (en) Automatic drawing and twisting device for power cable
CN204019455U (en) A kind of pin removal
EP1495842A2 (en) Hurricane shutter fastener installation bit
US6748830B1 (en) Threaded gripping bar pliers insert
CN212218318U (en) Portable screw nut equipment
CN204040972U (en) Oil gas well fisher
CN210669464U (en) Anti-vibration hammer capable of preventing wires from being abraded
CN211466235U (en) Quick extracting tool of solenoid valve case
CN203030974U (en) Boring sleeve
CN210908409U (en) Tapping chuck
CN209110938U (en) A kind of cladding ratchet spanner of tool elastification assembling
CN209831479U (en) Screwdriver for false tooth installation
CN210550780U (en) Novel multi-purpose screwdriver bit
CN219043848U (en) Self-locking cylindrical thread clamping device
CN220575756U (en) Impact screwdriver
CN219013116U (en) Bolt for TBM hob case
CN220463765U (en) Automatic device of screwing up of wire thread insert
CN218285308U (en) Steel wire thread insert mounting tool

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