CN112223186A - Hand-pressing type socket wrench - Google Patents

Hand-pressing type socket wrench Download PDF

Info

Publication number
CN112223186A
CN112223186A CN202011100018.0A CN202011100018A CN112223186A CN 112223186 A CN112223186 A CN 112223186A CN 202011100018 A CN202011100018 A CN 202011100018A CN 112223186 A CN112223186 A CN 112223186A
Authority
CN
China
Prior art keywords
rotating shaft
gear
hand
shell
rotating
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
CN202011100018.0A
Other languages
Chinese (zh)
Other versions
CN112223186B (en
Inventor
刘帅
徐年富
曹娟
郭梦园
王蝶
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.)
Dragon Totem Technology Hefei Co ltd
Henan Friends Tools Co ltd
Original Assignee
Nanjing Vocational University of Industry Technology NUIT
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 Nanjing Vocational University of Industry Technology NUIT filed Critical Nanjing Vocational University of Industry Technology NUIT
Priority to CN202011100018.0A priority Critical patent/CN112223186B/en
Publication of CN112223186A publication Critical patent/CN112223186A/en
Application granted granted Critical
Publication of CN112223186B publication Critical patent/CN112223186B/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
    • B25B13/00Spanners; Wrenches
    • B25B13/02Spanners; Wrenches with rigid jaws
    • B25B13/06Spanners; Wrenches with rigid jaws of socket type
    • 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
    • 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
    • B25B23/16Handles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Abstract

The invention discloses a hand-press type socket wrench, which relates to the technical field of wrenches and comprises a shell, a first rotating shaft, a cover body, a hand-press driving mechanism, a socket driving mechanism and a steering conversion mechanism, wherein two ends of the first rotating shaft are respectively inserted into shaft holes at the front end and the rear end of the shell in a sliding manner, the cover body is fixed at the top of the shell, the hand-press driving mechanism is arranged at the rear end of the shell and used for driving the socket driving mechanism to rotate in a hand-press manner, the socket driving mechanism is provided with two sockets and is respectively positioned at the front end and the rear end of the first rotating shaft, the socket driving mechanism is used for driving the socket to rotate, and the steering conversion mechanism is arranged in the middle of the first. When the bolt or the nut is loosened or tightened, the whole wrench does not need to be rotated by hands, and the bolt or the nut can be loosened or tightened even when the wrench does not have a space on two sides for rotating the wrench at a small angle.

Description

Hand-pressing type socket wrench
Technical Field
The invention relates to the technical field of wrenches, in particular to a hand-pressing type socket wrench.
Background
Compared with an ordinary wrench, the ratchet wrench on the market is not required to be unscrewed or screwed when a bolt or a nut is unscrewed or screwed, the wrench is not required to be unscrewed by half a turn and then sleeved and screwed, a lot of convenience is provided, but in some narrow spaces for extending the wrench, the wrench is not provided with enough spaces on two sides to rotate the wrench by a small angle, even if the ratchet wrench is used, the wrench is inconvenient, and at the moment, the wrench is not required to be rotated integrally to unscrew or screw the bolt or the nut.
Disclosure of Invention
The present invention is directed to a hand-operated socket wrench to overcome the above-mentioned disadvantages of the prior art.
A hand-press socket wrench comprises a shell, a first rotating shaft, a cover body, a hand-press driving mechanism, a socket driving mechanism and a steering conversion mechanism;
two ends of the first rotating shaft are respectively inserted into the shaft holes at the front end and the rear end of the shell in a sliding mode, and the cover body is fixed to the top of the shell;
the hand pressing driving mechanism is arranged at the rear end of the shell and is used for driving the sleeve driving mechanism to rotate in a hand pressing mode;
the two sleeve driving mechanisms are arranged and are respectively positioned at the front end and the rear end of the first rotating shaft, and the sleeve driving mechanisms are used for driving the sleeves to rotate;
the steering conversion mechanism is arranged in the middle of the first rotating shaft and used for changing the rotating direction of the sleeve.
Preferably, the hand-press driving mechanism comprises a first gear, a speed change gear, a hand-press handle, an arc-shaped rack, a second gear, a rotating disk and a commutator bar, the first gear and the speed change gear are coaxially arranged on a second rotating shaft, the speed change gear is positioned above the first gear, the second rotating shaft is rotatably connected with the shell, the front end of the inner side of the hand-press handle is rotatably connected with a third rotating shaft, the third rotating shaft is fixedly connected with the shell, a torsion spring is sleeved on the third rotating shaft, one end of the torsion spring is connected with the hand-press handle, the other end of the torsion spring is connected with the shell, the arc-shaped rack is fixed at the rear end of the inner side of the hand-press handle, the arc-shaped rack is meshed with the first gear, the second gear is rotatably connected with the shell through a fourth rotating shaft, the second gear is meshed with the speed change gear, and the rotating disk, the inner side of the rotating disk is circumferentially provided with a plurality of tooth grooves, the commutator bar is fixed on the fourth rotating shaft and is positioned between the rotating disk and the second gear, two ends of the commutator bar are respectively provided with a tooth piece, and the end part of the tooth piece is abutted to the tooth grooves.
Preferably, the sleeve driving mechanism comprises a first bevel gear and a second bevel gear, the first bevel gear located at the rear end of the rotating shaft is fixed on the rotating disk, the second bevel gear is provided with two second bevel gears which are respectively fixed on the first rotating shaft and symmetrically arranged on two sides of the first bevel gear, the first bevel gear located on the front side of the first rotating shaft is rotatably connected with the shell through a fifth rotating shaft, a sleeve mounting block is fixed at one end of the fifth rotating shaft, which extends out, and the outer wall of the sleeve mounting block is magnetic.
Preferably, the steering conversion mechanism comprises a connecting rod, a positioning rod, a support rod, a fixed plate, balls and rotating discs, the rotating discs are provided with two rotating discs and fixed on the first rotating shaft, annular grooves are formed in opposite sides of the two rotating discs, the support rod is located between the two rotating discs, the balls are arranged at two ends of the support rod, the connecting rod is vertically fixed in the middle of the support rod, a strip-shaped hole for the connecting rod to stretch out is formed in the top of the cover body, the fixing plate is fixed at the top of the connecting rod, the positioning rod is inserted into two ends of the fixed plate in a sliding mode, and two positioning grooves matched with the positioning rod are formed in the top of the cover body.
The invention has the following advantages:
1. according to the invention, the sleeve on the sleeve mounting block is driven to rotate by the hand-press driving mechanism, the whole wrench does not need to be rotated by hands when the bolt or the nut is unscrewed or screwed, and the bolt or the nut can be unscrewed or screwed even if the wrench does not have enough space on two sides to rotate the wrench at a small angle.
2. The invention can only engage one of the second bevel gears at the two sides of the first bevel gear at the same time through the steering conversion mechanism, thereby changing the rotating direction of the sleeve to unscrew or tighten the bolt or the nut, the whole rotating direction changing process is simple and convenient, when the rotating direction of the sleeve is changed, only the positioning rod needs to be lifted from the positioning groove, the fixing plate is moved, the resisting rod also moves along with the fixing plate, the balls at the two ends of the resisting rod push the rotating disc to move, the rotating shaft moves along with the rotating shaft, thereby the first bevel gear is engaged with one of the second bevel gears at the two sides of the first bevel gear, and finally the positioning rod is inserted into the other positioning groove.
Drawings
Fig. 1 and 2 are overall three-dimensional structural diagrams of the present invention.
Fig. 3 is a partial enlarged view of the invention at a in fig. 1.
Fig. 4 and 5 are schematic views of the inside of the housing of the present invention.
Fig. 6 is a partial enlarged view of the invention at B in fig. 5.
Fig. 7 is a cross-sectional view of the bottom of the housing of the present invention.
Wherein: 1. the hand-press type manual-pressing hand-pressing device comprises a shell, 2, first rotating shafts, 3, a cover body, 31, a strip-shaped hole, 32, a positioning groove, 4, a hand-pressing driving mechanism, 41, a first gear, 42, a speed-changing gear, 421, a second rotating shaft, 43, a hand-pressing handle, 431, a third rotating shaft, 432, a torsion spring, 44, an arc-shaped rack, 45, a second gear, 451, a fourth rotating shaft, 46, a rotating disc, 461, a tooth groove, 47, a reversing sheet, 471, a tooth sheet, 5, a sleeve driving mechanism, 51, a first bevel gear, 52, a second bevel gear, 53, a fifth rotating shaft, 54, a sleeve mounting block, 6, a steering conversion mechanism, 61, a rotating disc, 611, an annular groove, 62, a resisting rod, 63.
Detailed Description
The following detailed description of the embodiments of the present invention will be given in order to provide those skilled in the art with a more complete, accurate and thorough understanding of the inventive concept and technical solutions of the present invention.
As shown in fig. 1-7, the present invention provides a hand-pressed socket wrench, which comprises a housing 1, a first rotating shaft 2, a cover 3, a hand-pressed driving mechanism 4, a socket driving mechanism 5 and a steering conversion mechanism 6;
two ends of the first rotating shaft 2 are respectively inserted into shaft holes at the front end and the rear end of the shell 1 in a sliding mode, and the cover body 3 is fixed to the top of the shell 1;
the hand pressing driving mechanism 4 is arranged at the rear end of the shell 1 and is used for driving the sleeve driving mechanism 5 to rotate in a hand pressing mode;
the two sleeve driving mechanisms 5 are arranged and are respectively positioned at the front end and the rear end of the first rotating shaft 2, and the sleeve driving mechanisms 5 are used for driving the sleeves to rotate;
the steering changing mechanism 6 is arranged in the middle of the rotating shaft I2 and used for changing the rotating direction of the sleeve.
In this embodiment, the hand press driving mechanism 4 includes a first gear 41, a speed change gear 42, a hand press handle 43, an arc-shaped rack 44, a second gear 45, a rotating disk 46 and a reversing piece 47, the first gear 41 and the speed change gear 42 are coaxially disposed on a second rotating shaft 421, the speed change gear 42 is located above the first gear 41, the second rotating shaft 421 is rotatably connected with the housing 1, a front end of an inner side of the hand press handle 43 is rotatably connected with a third rotating shaft 431, the third rotating shaft 431 is fixedly connected with the housing 1, the third rotating shaft 431 is sleeved with a torsion spring 432, one end of the torsion spring 432 is connected with the hand press handle 43, the other end of the torsion spring 432 is connected with the housing 1, a rear end of the inner side of the hand press handle 43 is fixed with the arc-shaped rack 44, the arc-shaped rack 44 is engaged with the first gear 41, the second gear 45 is rotatably connected with the housing 1 through a fourth rotating shaft 451, the second gear 45 is engaged, the rotating disc 46 is rotatably connected to the fourth rotating shaft 451 and located above the second gear 45, a plurality of tooth grooves 461 are formed in the inner side of the rotating disc 46 along the circumference, the commutator bar 47 is fixed to the fourth rotating shaft 451 and located between the rotating disc 46 and the second gear 45, tooth bars 471 are respectively arranged at two ends of the commutator bar 47, and end portions of the tooth bars 471 are abutted to the tooth grooves 461.
In this embodiment, the sleeve driving mechanism 5 includes a first bevel gear 51 and a second bevel gear 52, the first bevel gear 51 located at the rear end of the first rotating shaft 2 is fixed on the rotating disk 46, the second bevel gears 52 are two and are respectively fixed on the first rotating shaft 2 and symmetrically arranged at two sides of the first bevel gear 51, the first bevel gear 51 located at the front side of the first rotating shaft 2 is rotatably connected with the housing 1 through a fifth rotating shaft 53, a sleeve mounting block 54 is fixed at one end of the fifth rotating shaft 53 extending out, and an outer wall of the sleeve mounting block 54 has magnetism.
In this embodiment, the steering conversion mechanism 6 includes two connecting rods 64, two positioning rods 66, two abutting rods 62, a fixing plate 65, balls 63 and two rotating disks 61, the two rotating disks 61 are fixed on the first rotating shaft 2, two opposite sides of the two rotating disks 61 are provided with annular grooves 611, the abutting rods 62 are located between the two rotating disks 61, the balls 63 are arranged at two ends of the abutting rods 62, the connecting rods 64 are perpendicularly fixed in the middle of the abutting rods 62, the top of the cover body 3 is provided with strip-shaped holes 31 through which the connecting rods 64 extend, the fixing plate 65 is fixed at the top of the connecting rods 64, the positioning rods 66 are inserted into two ends of the fixing plate 65 in a sliding manner, and the top of the cover body 3 is provided with two positioning grooves 32 respectively matched with the positioning rods 66.
The specific implementation mode and principle are as follows:
in practical application, a sleeve to be used is installed on the sleeve installation block 54, when the rotation direction of the sleeve needs to be changed, the positioning rod 66 is taken out from the positioning groove 32 on the cover body 3, the fixing plate 65 is moved, the abutting rod 62 moves along with the movement, the ball 63 on the abutting rod 62 pushes the rotating disc 61 to move, so that the rotating shaft I2 also moves along with the shaft hole of the shell body 1, the second bevel gear 52 on the rotating shaft I2, which is originally meshed with the first bevel gear 51, is separated, the second bevel gear 52 on the other side of the first bevel gear 51 is meshed with the first bevel gear 51, the positioning rod 66 is inserted into the other positioning groove 32 on the cover body 3, the sleeve is sleeved on a bolt or nut to be loosened or tightened, then the hand handle 43 is pressed by hand, the arc-shaped rack 44 fixed on the hand handle 42 drives the reversing piece 47 to rotate through gear transmission, the tooth piece 471 on the reversing piece 47 drives the rotating disc 46 to rotate, the first bevel gear 51 fixed on the rotating disc 46 drives the first bevel gear 51 fixed with the rotating disc to rotate, the first bevel gear 51 drives the rotating shaft five 53 to rotate through gear transmission, the sleeve mounting block 54 on the rotating shaft five 53 drives the sleeve to rotate, so that the bolt or the nut is loosened or screwed, when the hand handle 43 is pressed to be stationary, the hand handle 43 is loosened, the hand handle 43 is reset under the action of the torsion spring 432, the tooth 471 on the commutator bar 47 does not drive the rotating disc 46 to rotate reversely in the resetting process, and then the hand handle 43 is continuously pressed by hand until the bolt or the nut is completely loosened or screwed.
The invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the inventive concept and solution of the invention, or to apply the inventive concept and solution directly to other applications without modification.

Claims (4)

1. A hand-press socket wrench is characterized in that: comprises a shell (1), a first rotating shaft (2), a cover body (3), a hand-press driving mechanism (4), a sleeve driving mechanism (5) and a steering conversion mechanism (6);
two ends of the first rotating shaft (2) are respectively inserted into shaft holes at the front end and the rear end of the shell (1) in a sliding mode, and the cover body (3) is fixed to the top of the shell (1);
the hand pressing driving mechanism (4) is arranged at the rear end of the shell (1) and is used for driving the sleeve driving mechanism (5) to rotate in a hand pressing mode;
the two sleeve driving mechanisms (5) are arranged and are respectively positioned at the front end and the rear end of the first rotating shaft (2), and the sleeve driving mechanisms (5) are used for driving the sleeves to rotate;
the steering conversion mechanism (6) is arranged in the middle of the first rotating shaft (2) and is used for changing the rotating direction of the sleeve.
2. A hand wrench as claimed in claim 1, wherein: the hand pressing driving mechanism (4) comprises a first gear (41), a speed change gear (42), a hand pressing handle (43), an arc-shaped rack (44), a second gear (45), a rotating disc (46) and a reversing sheet (47), the first gear (41) and the speed change gear (42) are coaxially arranged on a second rotating shaft (421), the speed change gear (42) is positioned above the first gear (41), the second rotating shaft (421) is rotatably connected with the shell (1), the front end of the inner side of the hand pressing handle (43) is rotatably connected with a third rotating shaft (431), the third rotating shaft (431) is fixedly connected with the shell (1), a torsion spring (432) is sleeved on the third rotating shaft (431), one end of the torsion spring (432) is connected with the hand pressing handle (43), the other end of the torsion spring (432) is connected with the shell (1), the arc-shaped rack (44) is fixed at the rear end of the inner side of the hand pressing handle (43), arc rack (44) and first gear (41) meshing, second gear (45) rotate through pivot four (451) and casing (1) and are connected, second gear (45) and change gear (42) meshing, rotary disk (46) rotate connect in pivot four (451) and be located the top of second gear (45), the inboard of rotary disk (46) is equipped with a plurality of tooth's socket (461) along the circumference, commutator segment (47) are fixed in on pivot four (451) and are located between rotary disk (46) and second gear (45), the both ends of commutator segment (47) are equipped with tooth piece (471) respectively, the tip and the tooth's socket (461) butt of tooth piece (471).
3. A hand wrench as claimed in claim 2, wherein: the sleeve driving mechanism (5) comprises a first bevel gear (51) and a second bevel gear (52), the first bevel gear (51) located at the rear end of the first rotating shaft (2) is fixed on the rotating disc (46), the second bevel gear (52) is provided with two bevel gears which are respectively fixed on the first rotating shaft (2) and symmetrically arranged on two sides of the first bevel gear (51), the first bevel gear (51) located on the front side of the first rotating shaft (2) is rotatably connected with the shell (1) through a fifth rotating shaft (53), a sleeve mounting block (54) is fixed at one end, extending out, of the fifth rotating shaft (53), and the outer wall of the sleeve mounting block (54) is magnetic.
4. A hand wrench as claimed in claim 1, wherein: the steering conversion mechanism (6) comprises a connecting rod (64), a positioning rod (66), a resisting rod (62), a fixing plate (65), a ball (63) and a rotating disc (61), the two rotating discs (61) are arranged and fixed on the first rotating shaft (2), annular grooves (611) are formed in the opposite sides of the two rotating discs (61), the resisting rod (62) is positioned between the two rotating discs (61), the two ends of the resisting rod (62) are provided with the balls (63), the connecting rod (64) is vertically fixed in the middle of the abutting rod (62), the top of the cover body (3) is provided with a strip-shaped hole (31) for the connecting rod (64) to extend out, the fixing plate (65) is fixed on the top of the connecting rod (64), the two ends of the fixing plate (65) are inserted with the positioning rods (66) in a sliding way, the top of the cover body (3) is provided with two positioning grooves (32) which are respectively matched with the positioning rods (66).
CN202011100018.0A 2020-10-15 2020-10-15 Hand-pressing type socket wrench Active CN112223186B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011100018.0A CN112223186B (en) 2020-10-15 2020-10-15 Hand-pressing type socket wrench

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011100018.0A CN112223186B (en) 2020-10-15 2020-10-15 Hand-pressing type socket wrench

Publications (2)

Publication Number Publication Date
CN112223186A true CN112223186A (en) 2021-01-15
CN112223186B CN112223186B (en) 2021-11-19

Family

ID=74113697

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011100018.0A Active CN112223186B (en) 2020-10-15 2020-10-15 Hand-pressing type socket wrench

Country Status (1)

Country Link
CN (1) CN112223186B (en)

Citations (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6067881A (en) * 1995-06-07 2000-05-30 Albertson; David V. Hand tool
CA2315993A1 (en) * 1999-08-13 2001-02-13 Maxtech Manufacturing Inc. Screw guide device with drill bit/screw bit and counter sink/drill stop means
CN2644101Y (en) * 2003-08-19 2004-09-29 扬动股份有限公司 Double offset ring spanner
CN101157209A (en) * 2007-11-20 2008-04-09 张忠海 Portable vehicle mounted combination wrench
CN201095085Y (en) * 2007-08-16 2008-08-06 童明华 Push-pull type adjustable wrench
CN101444903A (en) * 2007-11-26 2009-06-03 谢智庆 Improved T-shaped pulling tool structure
CN101983846A (en) * 2010-11-29 2011-03-09 张家港市繁昌机械有限公司 Sleeper bolt power wrench
CN202412144U (en) * 2011-12-16 2012-09-05 张添富 Forward-backward rotation screwdriver
CN203045603U (en) * 2012-11-13 2013-07-10 厦门南旗佰特精密工具制造有限公司 Extended range type interval-free double-ratchet screwdriver
CN104209912A (en) * 2013-05-30 2014-12-17 上海昆杰五金工具有限公司 Electric auxiliary wrench
CN104290062A (en) * 2014-10-10 2015-01-21 宁波聚益工具有限公司 Labor-saving internal hexagonal wrench
CN104608082A (en) * 2015-01-05 2015-05-13 武汉工程大学 Wrench
CN204893797U (en) * 2015-07-06 2015-12-23 巢湖学院 Multifunctional wrench
CN204942411U (en) * 2015-09-06 2016-01-06 廖敦文 The speed reducer of railroad sleeper stud driver
CN106392958A (en) * 2016-11-23 2017-02-15 芜湖协航测控技术有限公司 Double-end torque wrench capable of being separably used and torque measuring method
CN206373830U (en) * 2017-01-11 2017-08-04 金陵科技学院 One kind unloads torque wrench bar
CN208005554U (en) * 2018-01-18 2018-10-26 洛阳恒大轴承有限公司 A kind of deep hole nut monkey wrench
CN109514480A (en) * 2018-12-26 2019-03-26 江西福格新能源传动技术有限公司 Detachable nut twists device
CN110039477A (en) * 2019-06-05 2019-07-23 自然资源部第二海洋研究所 A kind of small space special sleeve spanner
CN209551594U (en) * 2019-01-07 2019-10-29 山东朗进科技股份有限公司 A kind of cable lock drive wrench
CN210132438U (en) * 2019-06-06 2020-03-10 郑州航空工业管理学院 Holding type wrench
CN210361087U (en) * 2019-07-05 2020-04-21 新兴铸管股份有限公司 Direction-changing socket wrench
KR102130786B1 (en) * 2020-01-22 2020-07-06 김규철 Lachet type spanner

Patent Citations (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6067881A (en) * 1995-06-07 2000-05-30 Albertson; David V. Hand tool
CA2315993A1 (en) * 1999-08-13 2001-02-13 Maxtech Manufacturing Inc. Screw guide device with drill bit/screw bit and counter sink/drill stop means
CN2644101Y (en) * 2003-08-19 2004-09-29 扬动股份有限公司 Double offset ring spanner
CN201095085Y (en) * 2007-08-16 2008-08-06 童明华 Push-pull type adjustable wrench
CN101157209A (en) * 2007-11-20 2008-04-09 张忠海 Portable vehicle mounted combination wrench
CN101444903A (en) * 2007-11-26 2009-06-03 谢智庆 Improved T-shaped pulling tool structure
CN101983846A (en) * 2010-11-29 2011-03-09 张家港市繁昌机械有限公司 Sleeper bolt power wrench
CN202412144U (en) * 2011-12-16 2012-09-05 张添富 Forward-backward rotation screwdriver
CN203045603U (en) * 2012-11-13 2013-07-10 厦门南旗佰特精密工具制造有限公司 Extended range type interval-free double-ratchet screwdriver
CN104209912A (en) * 2013-05-30 2014-12-17 上海昆杰五金工具有限公司 Electric auxiliary wrench
CN104290062A (en) * 2014-10-10 2015-01-21 宁波聚益工具有限公司 Labor-saving internal hexagonal wrench
CN104608082A (en) * 2015-01-05 2015-05-13 武汉工程大学 Wrench
CN204893797U (en) * 2015-07-06 2015-12-23 巢湖学院 Multifunctional wrench
CN204942411U (en) * 2015-09-06 2016-01-06 廖敦文 The speed reducer of railroad sleeper stud driver
CN106392958A (en) * 2016-11-23 2017-02-15 芜湖协航测控技术有限公司 Double-end torque wrench capable of being separably used and torque measuring method
CN206373830U (en) * 2017-01-11 2017-08-04 金陵科技学院 One kind unloads torque wrench bar
CN208005554U (en) * 2018-01-18 2018-10-26 洛阳恒大轴承有限公司 A kind of deep hole nut monkey wrench
CN109514480A (en) * 2018-12-26 2019-03-26 江西福格新能源传动技术有限公司 Detachable nut twists device
CN209551594U (en) * 2019-01-07 2019-10-29 山东朗进科技股份有限公司 A kind of cable lock drive wrench
CN110039477A (en) * 2019-06-05 2019-07-23 自然资源部第二海洋研究所 A kind of small space special sleeve spanner
CN210132438U (en) * 2019-06-06 2020-03-10 郑州航空工业管理学院 Holding type wrench
CN210361087U (en) * 2019-07-05 2020-04-21 新兴铸管股份有限公司 Direction-changing socket wrench
KR102130786B1 (en) * 2020-01-22 2020-07-06 김규철 Lachet type spanner

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
马付雷: "一种用于狭小操作空间的柔性可回程扳手", 《机械工学报》 *

Also Published As

Publication number Publication date
CN112223186B (en) 2021-11-19

Similar Documents

Publication Publication Date Title
US4154122A (en) Hand-powered tool
CA2829797C (en) Handheld drive device
US5406866A (en) Speed-selectable screwdriver
KR980700900A (en) RATCHET WRENCH
US4947939A (en) Structure of motorized screw bolt driving tool
CN211466177U (en) Open spanner
US5513546A (en) Device for fastening and loosening threaded members
US20120096991A1 (en) Dual-drive, self-ratcheting mechanism
CN112223186B (en) Hand-pressing type socket wrench
CA2371957A1 (en) Chainless transmission mechanism for bicycles
CN210132438U (en) Holding type wrench
US3315545A (en) Gear driven screwdriver
US4561330A (en) Pipe wrench
US6557599B2 (en) Wood planing machine with shiftable reduction drives of a feed-in rolling mechanism
CN2775339Y (en) Hand two-way rotary driver
CN112975815A (en) Electric ratchet wrench
CN1327128C (en) Manual dual-direction rotating driver
CN219987459U (en) Ratchet device and ratchet screwdriver and ratchet wrench with same
CN206468765U (en) A kind of YE crosses torque protection mechanism
CN220548198U (en) Push type manual screwdriver structure
JPS62136378A (en) Electric ratchet wrench
SU1650433A1 (en) Grip
CN2195413Y (en) Ratchet wrench
CN219521937U (en) Screw screwing device
JPH0246354B2 (en)

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: 20231218

Address after: 476399 The northeast corner of the intersection of Yiyin Avenue and Zhixin Third Road in the Industrial Agglomeration Zone of Yucheng County, Shangqiu City, Henan Province

Patentee after: Henan friends Tools Co.,Ltd.

Address before: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province

Patentee before: Dragon totem Technology (Hefei) Co.,Ltd.

Effective date of registration: 20231218

Address after: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province

Patentee after: Dragon totem Technology (Hefei) Co.,Ltd.

Address before: No.1, Yangshan North Road, Qixia District, Nanjing City, Jiangsu Province

Patentee before: Nanjing Vocational University of Industry Technology