CN208005547U - A kind of Chain wrench - Google Patents

A kind of Chain wrench Download PDF

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Publication number
CN208005547U
CN208005547U CN201820374477.XU CN201820374477U CN208005547U CN 208005547 U CN208005547 U CN 208005547U CN 201820374477 U CN201820374477 U CN 201820374477U CN 208005547 U CN208005547 U CN 208005547U
Authority
CN
China
Prior art keywords
driven shaft
chain
driving shaft
shaft
sprocket wheel
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.)
Active
Application number
CN201820374477.XU
Other languages
Chinese (zh)
Inventor
王文斌
仙运昌
王琮
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.)
Shanxi Yangmei Chemical Industry Machinery Group Co Ltd
Original Assignee
Shanxi Yangmei Chemical Industry Machinery Group 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 Shanxi Yangmei Chemical Industry Machinery Group Co Ltd filed Critical Shanxi Yangmei Chemical Industry Machinery Group Co Ltd
Priority to CN201820374477.XU priority Critical patent/CN208005547U/en
Application granted granted Critical
Publication of CN208005547U publication Critical patent/CN208005547U/en
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Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of Chain wrenches, it is a kind of device installed for bolt, nut with dismounting, in order to solve the problems, such as that fastener dismounts under narrow space and particular surroundings, the device includes the chain and sprocket wheel being placed in shell, and the sprocket wheel with driving shaft, driven shaft using being keyed, using snap ring fixed by the driving shaft, driven shaft, the sleeve that the driven shaft coordinates with it, it rotates driving shaft and passes through chain drive, driven shaft rotates therewith, and nut is made to achieve the effect that loosen, tighten.The utility model is simple in structure, is easy to make, the significant effect in equipment assembling process, and the rotation of current spanner is replaced with chain drive, shortens torque, to achieve the purpose that in small Space-Work.

Description

A kind of Chain wrench
Technical field
The utility model is related to hand-operated tools field, specially a kind of Chain wrench is suitable for narrow space, particular surroundings The installation and dismounting of lower bolt, nut.
Background technology
In the industrial production, as essential part, being played in assembling process can not replace for fastener bolt, nut The effect in generation.Nowadays mechanical mechanism becomes increasingly complex, and applying working condition is also increasingly harsher, such as high temperature, low temperature and corrosive environment, Present spanner is required for larger space to meet spanner activity during the work time, is acted in narrow space limited.Therefore Need it is a kind of needed for scope of activities space smaller spanner realize the function of more harsh environment lower ejector lever.
Invention content
The utility model needs larger space to solve the problems, such as that spanner uses, and provides a kind of Chain wrench.
The utility model is achieved by the following technical solution:A kind of Chain wrench, including two sprocket wheels and and its The chain of cooperation passes through in two sprocket wheels and is keyed driving shaft and driven shaft, the top and the bottom of the driving shaft and driven shaft respectively It is all provided with fluted and is fixed on shell by the snap ring in groove, the sprocket wheel and chain are located in shell;The driving shaft Top is regular hexagon and is cased with handle, the driven shaft lower end is regular quadrangle and coordinates and be equipped with sleeve.
The utility model is to realize that tightening and dismantling for nut, two sprocket wheels pass through chain by chain and sprocket wheel transmission Item is connected as one, while chain and sprocket wheel are touched during spanner use in order to prevent, therefore sprocket wheel and chain are consolidated Due in shell, two sprocket wheels are fixed on the shell by respective driving shaft and driven shaft respectively, and driving shaft and driven shaft Top and the bottom are additionally provided with groove, snap ring are equipped in groove, therefore driving shaft and driven shaft are fixed on the shell by snap ring, It is regular hexagon at the top of driving shaft, is convenient for handle clamping, lower part is cylindrical and by key connection on sprocket wheel, driven shaft top For cylinder, and by being keyed on sprocket wheel, lower part is regular quadrangle, to coordinate with sleeve.The utility model is specifically grasped As, handle sleeve is entered at the top of driving shaft, sleeve is inserted in driven shaft bottom, and be stuck on applicable nut, swing handle, it is main Moving axis drives driven shaft, driven shaft band moving sleeve to tighten and dismounting nut by chain drive.
Preferably, in order to make the even closer of sleeve and driven shaft card, the driven shaft lower end be additionally provided with the card of a protrusion Block.
The utility model has the advantages that compared with prior art:The utility model have it is easy to operate, be convenient for Making, the rotation that current spanner is replaced with chain drive shorten torque, to achieve the purpose that in small Space-Work.
Description of the drawings
Fig. 1 is the front view of the utility model.
Fig. 2 is the vertical view of the utility model.
It is marked in figure as follows:
1- shells, 2- sprocket wheels, 3- driven shafts, 4- chains, 5- driving shafts, 6- handles, 7- sleeves, 8- nuts, 9- snap rings, 301- fixture blocks.
Specific implementation mode
Specific embodiment of the utility model is illustrated below in conjunction with the accompanying drawings.
A kind of Chain wrench, as depicted in figs. 1 and 2:Including two sprocket wheels 2 and the chain 4 coordinated with it, two sprocket wheels 2 Inside respectively by being keyed driving shaft 5 and driven shaft 3, the top and the bottom of the driving shaft 5 and driven shaft 3 are all provided with fluted and lead to The snap ring 9 crossed in groove is fixed on shell 1, and the sprocket wheel 2 and chain 4 are located in shell 1;The top of the driving shaft 5 is Regular hexagon is simultaneously cased with handle 6, and 3 lower end of the driven shaft is regular quadrangle and cooperation is equipped with sleeve 7.
The present embodiment has selected preferred embodiment, 3 lower end of the driven shaft to be additionally provided with the fixture block 301 of a protrusion.
The present embodiment concrete operations are:Sleeve 7 is inserted in 3 lower end of driven shaft, and is blocked by fixture block 301 and prevents from falling off, Then sleeve 7 and spanner are integrally blocked to the nut 8 to be twisted, then handle 6 is inserted in the top of driving shaft 5, swing handle 6 drives Driving shaft 5 rotates, and is driven by chain 4, drives driven shaft 3, and driven shaft 3 is tightened and dismounting nut 8 with moving sleeve 7.
The range of the requires of the utility model protection is not limited to the above specific implementation mode, and for those skilled in the art For, the utility model can there are many deformation and change, it is all within the design of the utility model and principle made by it is any Modification, improvement and equivalent replacement should be all included within the scope of protection of this utility model.

Claims (2)

1. a kind of Chain wrench, it is characterised in that:Including two sprocket wheels(2)With the chain coordinated with it(4), two sprocket wheels(2) Inside respectively by being keyed driving shaft(5)And driven shaft(3), the driving shaft(5)And driven shaft(3)Top and the bottom be equipped with it is recessed Slot simultaneously passes through the snap ring in groove(9)It is fixed on shell(1)On, the sprocket wheel(2)And chain(4)Positioned at shell(1)It is interior;Institute State driving shaft(5)Top be regular hexagon and to be cased with handle(6), the driven shaft(3)Lower end is regular quadrangle and coordinates Sleeve is installed(7).
2. a kind of Chain wrench according to claim 1, it is characterised in that:The driven shaft(3)Lower end is additionally provided with a prominent The fixture block risen(301).
CN201820374477.XU 2018-03-20 2018-03-20 A kind of Chain wrench Active CN208005547U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820374477.XU CN208005547U (en) 2018-03-20 2018-03-20 A kind of Chain wrench

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820374477.XU CN208005547U (en) 2018-03-20 2018-03-20 A kind of Chain wrench

Publications (1)

Publication Number Publication Date
CN208005547U true CN208005547U (en) 2018-10-26

Family

ID=63889746

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820374477.XU Active CN208005547U (en) 2018-03-20 2018-03-20 A kind of Chain wrench

Country Status (1)

Country Link
CN (1) CN208005547U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108439207A (en) * 2018-04-26 2018-08-24 徐州重型机械有限公司 A kind of thin drag-line clamp device of crane rope formula semi-girder
CN109822510A (en) * 2019-03-12 2019-05-31 李强 A kind of pond outlet pipe seal closure unscrews device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108439207A (en) * 2018-04-26 2018-08-24 徐州重型机械有限公司 A kind of thin drag-line clamp device of crane rope formula semi-girder
CN109822510A (en) * 2019-03-12 2019-05-31 李强 A kind of pond outlet pipe seal closure unscrews device

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