CN107738217B - Combined sleeve - Google Patents

Combined sleeve Download PDF

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Publication number
CN107738217B
CN107738217B CN201710956117.0A CN201710956117A CN107738217B CN 107738217 B CN107738217 B CN 107738217B CN 201710956117 A CN201710956117 A CN 201710956117A CN 107738217 B CN107738217 B CN 107738217B
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CN
China
Prior art keywords
sleeve
inner sleeve
incline
hole
nut
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Active
Application number
CN201710956117.0A
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Chinese (zh)
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CN107738217A (en
Inventor
冯建娟
陈学忠
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.)
BEIJING HANDWEI MECHANICS AND ELECTRONIC INDUSTRY CO., LTD.
Original Assignee
Beijing Handwei Mechanics And Electronic Industry Co Ltd
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Priority to CN201710956117.0A priority Critical patent/CN107738217B/en
Publication of CN107738217A publication Critical patent/CN107738217A/en
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Publication of CN107738217B publication Critical patent/CN107738217B/en
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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
    • 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
    • B25B21/00Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Prostheses (AREA)

Abstract

The invention discloses a kind of combined sleeves; being intended to provide one kind not only can be convenient the nut that different model was dismantled/locked to electric wrench; and it can be effectively improved because deformation occurs for incline outside the inner sleeve of the sleeve of inside in combined sleeve; cause normally slide between sleeve, and influence combined sleeve can not normal use the problem of combined sleeve.It includes outer sleeve and the first inner sleeve, and the first end of the outer sleeve is equipped with the first nut lock tieholen for cooperating with nut, and the cross section of the first nut lock tieholen is in regular polygon;The outer profile of the cross section of first inner sleeve is also in regular polygon, and the first inner sleeve is plugged in the first nut lock tieholen and being capable of sliding axially along the first nut lock tieholen;In each lateral surface of first inner sleeve: the handover side between two adjacent lateral surfaces is defined as the outer incline of inner sleeve, and the outer incline of inner sleeve is equipped with the incline deformation that incline direction extends outside inner sleeve and reserves holding tank.

Description

Combined sleeve
Technical field
The present invention relates to electric wrench fields, and in particular to a kind of combined sleeve.
Background technique
Current electric wrench, for the nut of different model, needs replacing the sleeve of corresponding model in operation process, It is not only inconvenient in this way, have an effect on operating efficiency.
For this purpose, some inventors devise knockdown sleeve, together by the sleeve combination of a variety of different size model numbers, The sleeve from-inner-to-outer of variant size model number is sequentially sleeved in together;Although such combined sleeve is convenient to use, Ke Yiti High operating efficiency;But it has the disadvantage that
Due to inevitably there is certain gap between sleeve each in combined sleeve, it is located in this way using a certain The sleeve of inside come lock/dismantle nut during (by use be located at innermost sleeve for be illustrated): sleeve In each lateral surface: the handover side between two adjacent lateral surfaces is defined as the outer incline of inner sleeve, is located at innermost sleeve and exists During locking/disassembly nut, the outer incline of the inner sleeve of innermost sleeve will be against the medial surface of the sleeve of adjacent outer On, to transmit the coupling mechanism force that electric wrench acts on nut;It is easy in this way positioned at the outer incline of the inner sleeve of innermost sleeve Deformation occurs;And since the gap between each sleeve is inherently smaller, once it is located on the outside of the inner sleeve of innermost sleeve Deformation occurs for rib, then can slide between innermost sleeve and the sleeve of adjacent outer, thus will affect The normal use of a sleeve on the outside of most inner side sleeve even results in the problem of sleeve can not be used to locking nut.
Similarly, it is located at the sleeve of inside using any one all there is the above problem during locking/dismantling nut.
Summary of the invention
The purpose of the invention is to provide a kind of combined sleeve, electric wrench disassembly/locking not only can be convenient not With the nut of model, and incline outside the inner sleeve because of the sleeve for being located inside in combined sleeve can be effectively improved, shape occurs Become, cause normally slide between sleeve, and influence combined sleeve can not normal use the problem of.
The technical scheme is that
A kind of combined sleeve, comprising: outer sleeve and the first inner sleeve, the first end of the outer sleeve, which is equipped with, to be used for and nut First nut lock tieholen of cooperation, the cross section of the first nut lock tieholen are in regular polygon;The cross section of first inner sleeve Outer profile be also in regular polygon, and the first inner sleeve is plugged in the first nut lock tieholen and can be along the first nut lock tieholen Slide axially;In each lateral surface of first inner sleeve: the handover side between two adjacent lateral surfaces is defined as inner sleeve Cylinder outer incline is equipped with the reserved holding tank of incline deformation at the outer incline of inner sleeve.
This programme on the outside of inner sleeve by being equipped with the reserved appearance of incline deformation that incline direction extends outside inner sleeve at rib Receive slot, in this way during carrying out locking nut using the first inner sleeve, six lateral surfaces of the first inner sleeve will pass through incline The open side edges that holding tank is reserved in deformation are against on the medial surface of outer sleeve, to transmit the locking that electric wrench acts on nut Power is led in this way, the deformation at the outer incline of the inner sleeve of the first inner sleeve will occur in incline deformation and reserve in the opening of holding tank It crosses incline deformation and reserves holding tank and accommodate deformation caused by the lateral surface of the first inner sleeve, it thus can be to avoid because of first Deformation occurs for inner sleeve, causes normally slide between sleeve, and influence combined sleeve can not normal use the problem of.
Meanwhile being equipped with the incline deformation that incline direction extends outside inner sleeve on rib on the outside of the inner sleeve and reserving holding tank, It will not influence the normal use of outer sleeve and the first inner sleeve.
Preferably, further including several side wall deformation prosthetic devices being arranged on outer sleeve, side wall deformation prosthetic device It is corresponded with incline outside inner sleeve, in each lateral surface of the outer sleeve: the handover side between two adjacent lateral surfaces is fixed Justice is the outer incline of outer sleeve;The side wall deformation prosthetic device includes the interior lateral surface for being arranged on outer sleeve and running through outer sleeve Guide through hole, the reparation blade that is slidably arranged in guide through hole and for drive repair blade slide along guide through hole it is inclined Heart driving mechanism, the eccentric drive mechanism include the eccentric wheel receiving hole being arranged in repair on blade, outer sleeve are arranged in The axis hole that is connected on the end face of first end and with corresponding guide through hole, the driving shaft being rotatably arranged in axis hole and setting Eccentric drive wheel on driving shaft and in eccentric wheel receiving hole, the axis and the outer incline of outer sleeve of the driving shaft It is parallel.
When deformation occurs for the open edge of the reserved holding tank of incline deformation, although can pass through, incline deformation is reserved to be accommodated Generated deformation at lateral surface handover side of the slot to accommodate the first inner sleeve, but the deformation for still having part sometimes occurs On the lateral surface of the first inner sleeve, is formed on the lateral surface of the first inner sleeve for reserving holding tank close to incline deformation and do not advised Protrusion then causes the first inner sleeve to be difficult to sliding axially along the first nut lock tieholen, influences the normal use of outer sleeve.
To solve the above-mentioned problems, it further avoids that the first inner sleeve is caused to be difficult to along the first nut lock tieholen because of deformation The problem of sliding axially, and influencing the normal use of outer sleeve, this programme are provided with side wall deformation prosthetic device on outer sleeve, When forming irregular protrusion on the lateral surface of the first inner sleeve, the first inner sleeve is caused to be difficult to the axis along the first nut lock tieholen To sliding, when influencing the normal use of outer sleeve: can by side wall deformation prosthetic device to the lateral surface of the first inner sleeve into Row is repaired, and guarantees that the first inner sleeve being capable of sliding axially along the first nut lock tieholen.
Preferably, repairing, blade is parallel with the end face of the first end of outer sleeve, and reparation blade is equipped with toward sunken inside V-arrangement cutting edge, when V-arrangement cutting edge is against on the lateral surface of the first inner sleeve: a side of V-arrangement cutting edge is fitted in the first inner sleeve On one lateral surface of cylinder, another side of V-arrangement cutting edge is fitted on another lateral surface of the first inner sleeve, and incline deformation is reserved Holding tank is located in corresponding V-arrangement cutting edge.The reparation blade of this programme is capable of the first of the reserved holding tank two sides of opposite side prismatic change The inner wall of nut lock tieholen is repaired, and remediation efficiency is improved.
Preferably, being equipped with knob on driving shaft and positioned at the outside of the first end of outer sleeve.
Preferably, the medial surface of the first nut lock tieholen is equipped with the limiting slot that incline direction extends outside outer sleeve, The limited post matched on the lateral surface of first inner sleeve with limiting slot.
Preferably, being defined as in the first inner sleeve towards the end face of the first inner sleeve of the bottom surface of the first nut lock tieholen End face, the other end of the first inner sleeve are defined as the first inner sleeve outer end face;Limit close to the bottom surface of the first nut lock tieholen One end of position slot is defined as limiting slot inner end, and the other end of limiting slot is defined as limiting slot outer end;When limited post is against limiting slot When outer end: the guide through hole is close to the first inner sleeve inner face.
Preferably, eccentric wheel receiving hole is rectangular opening, the shifting of the long side of eccentric wheel receiving hole and corresponding reparation blade Dynamic direction is perpendicular, and the broadside of eccentric wheel receiving hole is parallel with the corresponding moving direction for repairing blade.
Preferably, the second end of outer sleeve is equipped with and the spanner spliced eye that cooperates for electric wrench.
Preferably, being equipped with the chip-removal hole of connection spanner spliced eye and the first nut lock tieholen in outer sleeve.
The beneficial effects of the present invention are: not only can be convenient the nut that different model was dismantled/locked to electric wrench, Er Qieke To be effectively improved because deformation occurs for incline outside the inner sleeve of the sleeve of inside in combined sleeve, causing can not be just between sleeve Often sliding, and influence combined sleeve can not normal use the problem of.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of combined sleeve of the invention.
Fig. 2 is a kind of the schematic diagram of the section structure in Fig. 1 at A-A.
Fig. 3 is the partial enlarged view in Fig. 1 at B.
In figure:
Outer sleeve 1, spanner spliced eye 1.1, chip-removal hole 1.2, the first nut lock tieholen 1.3, limiting slot 1.4;
First inner sleeve 2, limited post 2.1;
Holding tank 3 is reserved in incline deformation;
Side wall deformation prosthetic device 4, knob 4.0, guide through hole 4.1 repair blade 4.2, and eccentric wheel receiving hole 4.3 is driven Moving axis bar 4.4, eccentric drive wheel 4.5, V-arrangement cutting edge 4.6.
Specific embodiment
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing:
As shown in Figure 1 and Figure 2, a kind of combined sleeve, including outer sleeve 1, the first inner sleeve 2 and several settings are in outer sleeve On side wall deformation prosthetic device 4.
The outer profile of the cross section of outer sleeve is in regular hexagon.In each lateral surface of outer sleeve: two adjacent lateral surfaces Between handover side be defined as the outer incline of outer sleeve.The first end of outer sleeve is equipped with the first nut check for cooperating with nut Hole 1.3, the second end of outer sleeve are equipped with and the spanner spliced eye 1.1 that cooperates for electric wrench.Connection is equipped in outer sleeve to pull The chip-removal hole 1.2 of hand spliced eye and the first nut lock tieholen.The cross section of first nut lock tieholen is in regular hexagon.First nut The medial surface of locking hole is equipped with the limiting slot 1.4 that incline direction extends outside outer sleeve.Close to the bottom of the first nut lock tieholen One end of the limiting slot in face is defined as limiting slot inner end, and the other end of limiting slot is defined as limiting slot outer end.
The outer profile of the cross section of first inner sleeve is also in regular hexagon, and the first inner sleeve is plugged in the first nut check And it being capable of sliding axially along the first nut lock tieholen in hole.The limit matched on the lateral surface of first inner sleeve with limiting slot Column 2.1.The first inner sleeve inner face is defined as towards the end face of the first inner sleeve of the bottom surface of the first nut lock tieholen, in first The other end of sleeve is defined as the first inner sleeve outer end face.
As shown in Figure 1, Figure 2, Figure 3 shows, in each lateral surface of the first inner sleeve: the handover side between two adjacent lateral surfaces It is defined as the outer incline of inner sleeve.Incline deformation, which is equipped with, at the outer incline of inner sleeve reserves holding tank 3.Holding tank edge is reserved in incline deformation The outer incline direction of inner sleeve extends.Incline deformation reserves holding tank and is connected with the both ends of the surface of the first inner sleeve.
Side wall deformation prosthetic device and the outer incline of inner sleeve correspond.Side wall deformation prosthetic device includes being arranged in housing On cylinder and through the guide through hole 4.1 of the interior lateral surface of outer sleeve, the reparation blade 4.2 being slidably arranged in guide through hole and use In the eccentric drive mechanism for driving reparation blade to slide along guide through hole.
As shown in Fig. 2, when limited post is against limiting slot outer end: guide through hole is close to the first inner sleeve inner face.
As shown in Figure 1, Figure 3, eccentric drive mechanism includes the eccentric wheel receiving hole 4.3 being arranged in repair on blade, setting The axis hole being connected on the end face of the first end of outer sleeve and with corresponding guide through hole, the driving being rotatably arranged in axis hole Shaft 4.4 and be arranged in driving shaft on and be located at eccentric wheel receiving hole in eccentric drive wheel 4.5.Eccentric wheel receiving hole is square Shape hole.The long side of eccentric wheel receiving hole and it is corresponding repair blade moving direction it is perpendicular, the broadside of eccentric wheel receiving hole with The corresponding moving direction for repairing blade is parallel.
Drive the axis of shaft parallel with the outer incline of outer sleeve.Drive on shaft and be located at the outer of the first end of outer sleeve Side is equipped with knob 4.0.The knob of the present embodiment is interior hexagonal (hexagon)nut.
As shown in Figure 1, Figure 2, Figure 3 shows, it is parallel with the end face of the first end of outer sleeve to repair blade.Blade is repaired to be equipped with Toward the V-arrangement cutting edge 4.6 of sunken inside.Two sides of V-arrangement cutting edge are symmetrical.When V-arrangement cutting edge is against the outside of the first inner sleeve When on face: a side of V-arrangement cutting edge is fitted on a lateral surface of the first inner sleeve, and another side of V-arrangement cutting edge is fitted in On another lateral surface of one inner sleeve, and incline deformation is reserved holding tank and is located in corresponding V-arrangement cutting edge.
The combined sleeve of the present embodiment it is specifically used as follows:
When nut is matched with the first inner sleeve, the first inner sleeve alignment nut is inserted in by operator's hand electric spanner, Then can lock/dismantle nut;
When nut is matched with outer sleeve, outer sleeve alignment nut is inserted in by operator's hand electric spanner, and at this time first Inner sleeve can be withstood by nut and push away inside, so that outer inner sleeve be made to be inserted in nut, then can lock/dismantle nut.
In this way, in electric wrench operation process, so that it may the number for effectively reducing replacement sleeve, to facilitate electronic pull The nut of different model is dismantled/locked to hand.
During carrying out locking nut using the first inner sleeve, six lateral surfaces of the first inner sleeve will pass through incline shape The open side edges for becoming reserved holding tank are against on the medial surface of outer sleeve, to transmit the locking that electric wrench acts on nut Power is led in this way, the deformation at the outer incline of the inner sleeve of the first inner sleeve will occur in incline deformation and reserve in the opening of holding tank It crosses incline deformation and reserves holding tank and accommodate deformation caused by the lateral surface of the first inner sleeve, it thus can be to avoid because of first Deformation occurs for inner sleeve, causes normally slide between sleeve, and influence combined sleeve can not normal use the problem of.
Further, if during carrying out locking nut using the first inner sleeve, close to the reserved receiving of incline deformation Irregular protrusion is formed on the lateral surface of first inner sleeve of slot, the first inner sleeve is caused to be difficult to along the first nut lock tieholen It slides axially, when influencing the normal use of outer sleeve:
Firstly, the first inner sleeve is removed outward, until limited post is against limiting slot outer end, at this point, guide through hole Close to the first inner sleeve inner face, and blade is repaired close to the first inner sleeve inner face;
Then, it drives driving shaft and eccentric drive wheel to rotate by knob, and then drives and repair blade along guide through hole It moves inside, is against the V-arrangement cutting edge for repairing blade on the lateral surface of the first inner sleeve;When V-arrangement cutting edge is against the first inner sleeve Lateral surface on when: a side of V-arrangement cutting edge is fitted in a lateral surface of the first inner sleeve, another side fitting of V-arrangement cutting edge In another lateral surface of the first inner sleeve, and incline deformation is reserved holding tank and is located in corresponding V-arrangement cutting edge;
Followed by being inserted into the first inner sleeve and be against on the inner hole bottom surface of the first inner sleeve by mandril, then It is tapped by hammer, keeps the first inner sleeve mobile toward the bottom surface of the first nut lock tieholen, until the first inner sleeve is against the first spiral shell Until on the bottom surface of female locking hole, in this process, the V-arrangement cutting edge for repairing blade will be close to incline deformation and reserve holding tank The irregular protrusion excision formed on the lateral surface of first inner sleeve, repairs the lateral surface of the first inner sleeve, guarantees the One inner sleeve being capable of sliding axially along the first nut lock tieholen.

Claims (7)

1. a kind of combined sleeve, characterized in that include: outer sleeve and the first inner sleeve, the first end of the outer sleeve, which is equipped with, to be used In the first nut lock tieholen cooperated with nut, the cross section of the first nut lock tieholen is in regular polygon;First inner sleeve The outer profile of cross section be also in regular polygon, and the first inner sleeve is plugged in the first nut lock tieholen and can be along the first spiral shell Female locking hole slides axially;
In each lateral surface of first inner sleeve: the handover side between two adjacent lateral surfaces is defined as on the outside of inner sleeve Holding tank is reserved in rib, the incline deformation at the outer incline of inner sleeve;
It further include several side wall deformation prosthetic devices being arranged on outer sleeve, side wall deformation prosthetic device and the outer incline of inner sleeve It corresponds,
In each lateral surface of the outer sleeve: the handover side between two adjacent lateral surfaces is defined as the outer incline of outer sleeve;
The side wall deformation prosthetic device includes guide through hole, the cunning for being arranged on outer sleeve and running through the interior lateral surface of outer sleeve Move the reparation blade being arranged in guide through hole and for driving the eccentric drive mechanism repairing blade and sliding along guide through hole, institute State eccentric drive mechanism include be arranged in repair blade on eccentric wheel receiving hole, the first end that outer sleeve is set end face on And the axis hole being connected with corresponding guide through hole, the driving shaft that is rotatably arranged in axis hole and setting on driving shaft simultaneously The axis of eccentric drive wheel in eccentric wheel receiving hole, the driving shaft is parallel with the outer incline of outer sleeve;
The second end of the outer sleeve is equipped with and the spanner spliced eye that cooperates for electric wrench.
2. combined sleeve according to claim 1, characterized in that the end face of the first end for repairing blade and outer sleeve It is parallel, the V-arrangement cutting edge that blade is equipped with past sunken inside is repaired, when V-arrangement cutting edge is against on the lateral surface of the first inner sleeve: V A side of shape cutting edge is fitted on a lateral surface of the first inner sleeve, and another side of V-arrangement cutting edge is fitted in the first inner sleeve Another lateral surface on, and incline deformation reserve holding tank be located in corresponding V-arrangement cutting edge.
3. combined sleeve according to claim 1, characterized in that on the driving shaft and positioned at the first end of outer sleeve Outside be equipped with knob.
4. combined sleeve according to claim 1, characterized in that the medial surface of the first nut lock tieholen is equipped with edge The limiting slot that the outer incline direction of outer sleeve extends, the limited post matched with limiting slot on the lateral surface of first inner sleeve.
5. combined sleeve according to claim 4, characterized in that towards the first inner sleeve of the bottom surface of the first nut lock tieholen The end face of cylinder is defined as the first inner sleeve inner face, and the other end of the first inner sleeve is defined as the first inner sleeve outer end face;
Limiting slot inner end, the other end definition of limiting slot are defined as close to one end of the limiting slot of the bottom surface of the first nut lock tieholen For limiting slot outer end;
When limited post is against limiting slot outer end: the guide through hole is close to the first inner sleeve inner face.
6. combined sleeve according to claim 1, characterized in that the eccentric wheel receiving hole is rectangular opening, and eccentric wheel holds Receive hole long side and the corresponding moving direction for repairing blade it is perpendicular, the broadside of eccentric wheel receiving hole and corresponding reparation blade Moving direction it is parallel.
7. combined sleeve according to claim 1, characterized in that be equipped with connection spanner spliced eye and the in the outer sleeve The chip-removal hole of one nut lock tieholen.
CN201710956117.0A 2017-10-15 2017-10-15 Combined sleeve Active CN107738217B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710956117.0A CN107738217B (en) 2017-10-15 2017-10-15 Combined sleeve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710956117.0A CN107738217B (en) 2017-10-15 2017-10-15 Combined sleeve

Publications (2)

Publication Number Publication Date
CN107738217A CN107738217A (en) 2018-02-27
CN107738217B true CN107738217B (en) 2019-01-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4195126B2 (en) * 1998-07-22 2008-12-10 株式会社エーアンドエーマテリアル Thermal insulation device
CN101463851B (en) * 2007-12-20 2010-11-17 史丹利七和国际股份有限公司 Telescopic connection rod
CN101905452A (en) * 2009-06-02 2010-12-08 鸿富锦精密工业(深圳)有限公司 Sleeve driver
TWI428211B (en) * 2009-07-29 2014-03-01 Hon Hai Prec Ind Co Ltd Device for automatically locking screws
CN202934512U (en) * 2012-11-30 2013-05-15 京东方科技集团股份有限公司 Screw supporting structure and screw installing device
CN103192365B (en) * 2013-03-28 2014-11-12 燕山大学 Metamorphic wall-climbing parallel robot
CN203460104U (en) * 2013-09-23 2014-03-05 姚天文 Electric wrench with movable telescopic hexangular cylinder head
CN207606749U (en) * 2017-10-15 2018-07-13 张朝雄 A kind of combined sleeve

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