CN106312887B

CN106312887B - Modified pipe wrench

Info

Publication number: CN106312887B
Application number: CN201610997619.3A
Authority: CN
Inventors: 钱月珍
Original assignee: Zheng Zhaocai
Current assignee: Weihai Jinde Tools Co ltd
Priority date: 2016-11-14
Filing date: 2016-11-14
Publication date: 2018-08-24
Anticipated expiration: 2036-11-14
Also published as: CN106312887A

Abstract

The present invention relates to a kind of modified pipe wrench, this modified pipe wrench includes binding clip and handle；The side of binding clip is provided with fixed plier, the other side of binding clip is provided with movable plier；Between fixed plier and movable plier, vertical is equipped with adjusting screw rod；Being offered on movable plier can closer or far from fixed plier with the matched screw hole of the adjusting screw rod, movable plier along the axis translation of adjusting screw rod；Driving gear is also equipped on the binding clip, the adjusting screw rod is connect by driving gear set with the driving gear；It is also equipped with a clutch on the axis of the driving gear；There are one unilateral bearings, handle to be fixedly connected with the outer shroud of unilateral bearing for installation on the handle；The inner ring of the clutch and unilateral bearing connects；The pipe wrench is novel, unique, can effectively enhance the snap-in force of plier, prevent plier from slipping；It is easy to use simultaneously, it is suitable for narrow space, there is wider array of applicability.

Description

Modified pipe wrench

Technical field

The present invention relates to a kind of hardware tools, are a kind of pipe wrench particularly.

Background technology

Pipe wrench is one of common hardware tool, and common pipe wrench includes two straight brank mouths on the market, passes through screw rod tune The distance between straight brank mouth is saved, to clamp tube body, rotation tong arm is reversed；The snap-in force of plier and tube body only can It is adjusted by screw rod, in twist process, the snap-in force for reinforcing plier can not be continued；Therefore, in use, with plier Friction with tube body bites, and plier is easy to slip from tube body, and tube body or pipe wrench are easy to collapse out, and there are some potential safety problemss； Meanwhile the arrangement of some tube bodies is close, pipe wrench can not be reversed significantly after clamping tube body, therefore working efficiency is extremely low, also extremely Expend muscle power.

Invention content

In view of the above-mentioned problems, the present invention provides a kind of modified pipe wrench, the pipe wrench is novel, unique, can effectively increase The snap-in force of strong plier, prevents plier from slipping, and improves working efficiency；It is easy to use simultaneously, it is suitable for narrow space, has wider Applicability.

To solve the above problems, the technical solution adopted in the present invention is：This modified pipe wrench includes binding clip and handle；

The side of binding clip is provided with fixed plier, the other side of binding clip is provided with movable plier, the activity plier It is parallel with fixed plier；Vertical to be equipped with adjusting screw rod between fixed plier and movable plier, the adjusting screw rod can be around Own axes rotate freely；It is offered on movable plier and passes through screw hole with the matched screw hole of the adjusting screw rod, adjusting screw rod After stretch out binding clip, adjusting screw rod stretch out binding clip one end be provided with reset knob；Movable plier can be along the axis of adjusting screw rod It translates closer or far from fixed plier；

Driving gear is also equipped on the binding clip, the adjusting screw rod passes through driving gear set and the driving gear Connection；It is also equipped with a clutch on the axis of the driving gear；

There are one unilateral bearings, handle to be fixedly connected with the outer shroud of unilateral bearing for installation on the handle；The clutch The inner ring of device and unilateral bearing connects.

The beneficial effects of the invention are as follows：When reversing tube body, tube body is clamped between fixed plier and movable plier, is pressed The clutch is pressed, engagement connection driving gear and handle are allowed to；The axis for being using unilateral bearing is axle center, reciprocal swing hand Handle；When handle is swung towards the positive direction, outer shroud and the inner ring synchronous rotary of unilateral bearing, handle pass through clutch, driving gear and biography The transmission of moving gear group drives adjusting screw rod around own axis, so that movable plier is on the axis of adjusting screw rod It translates close to fixed plier, and then tube body is firmly clamped；When handle backswing, the inner ring of unilateral bearing is not revolved Turn, only handle resets.

After tube body is securely clamped, handle is stuck, and positive can not swing；Continue to move handle at this time, handle will By binding clip power transmission, the torsion of strength is carried out to tube body；While reversing force to tube body, handle passes through clutch pair always Movable plier force, guarantee activity plier and grips pincers it is tight-lipped it is solid be engaged tube body, effectively prevent plier to fall off；Therefore it is using Stablize in the process, safety；The structure can effectively prevent binding clip to fall off from tube body, reduce the probability surprisingly occurred；Plier simultaneously With stronger snap-in force, tube body can be efficiently reversed；

Compared to traditional pipe wrench, handle of the invention is flexibly connected with binding clip, is engaged tube body in binding clip and is remained stationary as In the case of, handle small-scale can rotate, which can facilitate user to adjust the angle of handle, find and facilitate force Position, to improve torsion efficiency；Therefore the scope of application of the present invention is wider, is especially applied to inferior, narrow tube body ring In border, there is high working efficiency.

After use, clutch is pressed so that clutch is detached with driving gear；It adjusts and resets knob, it is reversed to turn Dynamic adjusting screw rod, you can make movable plier be detached with fixed plier, to remove tube body.

Preferably, the driving gear set includes the bevel gear there are two orthogonal engagement, a bevel gear is coaxial to be consolidated Surely it is set on the adjusting screw rod, another bevel gear is fastenedly connected with driving gear；

The structure makes the swaying direction of handle be engaged with plier, force direction when reversing tube body is in same plane, from And convenient for the transmission of twisting resistance, and then improve torsion efficiency；Mechanical structure composition is simple simultaneously, convenient for production；And there is pole Strong transmission efficiency is reversed convenient for pipe wrench.

Preferably, the clutch includes limited position pin and slide post；Spacer pin and be opened in driving gear upper limit Hole face matching；Slide post is coaxial with the inner ring of unilateral bearing and engages matching；The slide post can be slided along own axes.

Preferably, the clutch includes frictional disk and slide post；Frictional disk is contacted with driving gear face；Sliding Column is coaxial with the inner ring of unilateral bearing and engages matching；The slide post can be slided along own axes.

Preferably, the clutch includes the clutch unit, drive plate and slide post of coaxial arrangement；The clutch list Member bounces part for pressing；Drive plate engages connection with driving gear, and drive plate is fixedly connected with slide post；Slide post and one-way shaft The inner ring held is coaxial and engagement matches；The slide post can be slided along own axes；When clutch unit bounces, drive plate and driving Gear does not contact.

It is connected preferably, being engaged by planetary gear between handle and unilateral bearing；The structure can be by the torsion of handle Gyration amplifies at double, greatly improves the occlusion dynamics and reverse speed of plier.

Description of the drawings

Fig. 1 is the cross section structure schematic diagram of this modified pipe wrench embodiment one.

Fig. 2 is the side structure schematic view of embodiment illustrated in fig. 1 one.

Fig. 3 is the side structure schematic view of this modified pipe wrench embodiment two.

Specific implementation mode

Embodiment one

In Fig. 1, embodiment shown in Fig. 2 one, this modified pipe wrench includes binding clip 1 and handle 2；

The side of binding clip 1 is provided with fixed plier 11, the other side of binding clip 1 is provided with movable plier 12, the work Dynamic plier 12 is parallel with fixed plier 11；Between fixed plier 11 and movable plier 12, vertical is equipped with adjusting screw rod 3, The adjusting screw rod 3 can be rotated freely around own axes；It is offered on movable plier 12 and 3 matched spiral shell of the adjusting screw rod Hole, adjusting screw rod 3 stretch out binding clip 1 after passing through screw hole, and one end that binding clip 1 is stretched out in adjusting screw rod 3 is provided with reset knob 31；It is living Dynamic plier 12 can along the axis translation of adjusting screw rod 3 closer or far from fixed plier 11；

Driving gear 4 is also equipped on the binding clip 1, the adjusting screw rod 3 passes through driving gear set and the driving Gear 4 connects；The driving gear set includes the bevel gear 6 there are two orthogonal engagement, and a coaxial fixation of bevel gear 6 is arranged On the adjusting screw rod, another bevel gear 6 is fastenedly connected with driving gear；Also pacify on the axis of the driving gear 4 There are one clutches for dress；The clutch includes limited position pin 51 and slide post 52；Spacer pin 51 and be opened in driving gear 4 on Limit hole face matches；

There are one unilateral bearings 21, handle 2 to be fixedly connected with the outer shroud of unilateral bearing 21 for installation on the handle 2；Hand It is engaged and is connected by planetary gear 22 between handle 2 and unilateral bearing 21；The slide post 52 and the inner ring of unilateral bearing 21 are coaxial And engagement matching；The slide post 52 can be slided along own axes.

When reversing tube body, tube body is clamped between fixed plier 11 and movable plier 12, the clutch is pressed, it is sliding Dynamic column 52 is slided relative to unilateral bearing 21 along own axes, and spacer pin 51 is fastened in the limit hole of driving gear 4；Clutch Device mechanical connection driving gear 4 and handle 2；The axis for being using unilateral bearing 21 is axle center, reciprocal swing handle 2；2 court of handle When forward direction is swung, outer shroud and the inner ring synchronous rotary of unilateral bearing 21, handle 2 pass through clutch, driving gear 4 and transmission gear The transmission of group drives adjusting screw rod 3 around own axis, so that movable plier 12 is put down on the axis of adjusting screw rod 3 It moves close to fixed plier 11, and then tube body is firmly clamped；When 2 backswing of handle, the inner ring of unilateral bearing 21 is not Rotation, only handle 2 reset.

After tube body is securely clamped, handle 2 is stuck, and positive can not swing；Continue to move handle 2, handle 2 at this time The torsion of strength will be carried out to tube body by 1 power transmission of binding clip；While reversing force to tube body, handle 2 passes through clutch always Device exerts a force to movable plier 12, and guarantee activity plier 12 is engaged tube body with what fixed plier 11 fastened, and plier is effectively prevent to fall off； Therefore stablize in use, safety；The structure can effectively prevent binding clip 1 to fall off from tube body, and reduction surprisingly occurs general Rate；Plier has stronger snap-in force simultaneously, can efficiently reverse tube body；

Compared to traditional pipe wrench, handle 2 of the invention is flexibly connected with binding clip 1, is engaged tube body in binding clip 1 and is kept not In the case of dynamic, handle 2 small-scale can rotate, which can facilitate user to adjust the angle of handle 2, find and conveniently apply The position of power, to improve torsion efficiency；Therefore the scope of application of the present invention is wider, is especially applied to inferior, narrow pipe In body environment, there is high working efficiency.

After use, clutch is pressed so that clutch is detached with driving gear 4；It adjusts and resets knob 31, reversely Rotate adjusting screw rod 3, you can so that movable plier 12 is detached with fixed plier 11, to remove tube body.

In the present embodiment, the torsion of handle 2 is accelerated using planetary gear 22, i.e., handle 2 swings smaller angle The rotation of 3 larger angle of adjusting screw rod can be realized, effectively accelerate the speed of the translation of movable plier 12, while improving plier Snap-in force and pipe wrench twisting resistance.

Embodiment two

In embodiment two shown in Fig. 3, what is different from the first embodiment is that the clutch in the present embodiment includes coaxial Clutch unit 71, drive plate 72 and the slide post 52 of setting；The clutch unit 71 is that part is bounced in pressing, which bounces part can Reciprocal upspring structure on analogy automatic ball-pen, the structure are relatively conventional；It does not repeat in the present embodiment；Drive plate 72 and drive The engagement connection of moving gear 4, drive plate 72 are fixedly connected with slide post 52；The inner ring of slide post 52 and unilateral bearing 21 is coaxial and nibbles Close matching；The slide post 52 can be slided along own axes；As shown in Figure 3；When clutch unit 71 bounces, drive plate 72 and driving Gear 4 does not contact；Compared with embodiment one, drive plate 72 and the contact area bigger for driving gear 4, transmission stability and effect More preferably, the torsion effect of pipe wrench can further be promoted.

In addition, the clutch can also be just like lower structure：The clutch includes frictional disk and slide post 52；Friction Disk is contacted with driving 4 face of gear；Slide post 52 is coaxial with the inner ring of unilateral bearing 21 and engages matching；The slide post 52 can It is slided along own axes；The element of the structure is simple, convenient for production；Can effectively save cost, while there is stronger transmission Property.

The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.

Claims

1. a kind of modified pipe wrench, this modified pipe wrench include binding clip（1）And handle（2）；It is characterized in that：In binding clip（1） Side be provided with fixed plier（11）, in binding clip（1）The other side be provided with movable plier（12）, the activity plier（12） With fixed plier（11）It is parallel；In fixed plier（11）With movable plier（12）Between, vertical is equipped with adjusting screw rod（3）, The adjusting screw rod（3）It can be rotated freely around own axes；In movable plier（12）On offer and the adjusting screw rod（3） The screw hole matched, adjusting screw rod（3）Binding clip is stretched out after screw hole（1）, in adjusting screw rod（3）Stretch out binding clip（1）One end setting There is reset knob（31）；Movable plier（12）It can be along adjusting screw rod（3）Axis translation closer or far from fixed plier（11）； In the binding clip（1）On be also equipped with driving gear（4）, the adjusting screw rod（3）Pass through driving gear set and the sliding tooth Wheel（4）Connection；In the driving gear（4）Axis on be also equipped with a clutch；In the handle（2）On be equipped with one A unilateral bearing（21）, handle（2）With unilateral bearing（21）Outer shroud be fixedly connected；The clutch and unilateral bearing（21）'s Inner ring connects；The clutch includes the clutch unit of coaxial arrangement（71）, drive plate（72）And slide post（52）；It is described from Close unit（71）Part is bounced for pressing；Drive plate（72）With driving gear（4）Engagement connection, drive plate（72）With slide post（52） It is fixedly connected；Slide post（52）With unilateral bearing（21）Inner ring is coaxial and engagement matching；The slide post（52）It can be along itself Axis slides；Clutch unit（71）When bouncing, drive plate（72）With driving gear（4）It does not contact.

2. modified pipe wrench according to claim 1, it is characterised in that：The driving gear set includes being nibbled there are two orthogonal The bevel gear of conjunction（6）, a bevel gear（6）Coaxial fixation is set in the adjusting screw rod（3）On, another bevel gear（6） With driving gear（4）It is fastenedly connected.

3. modified pipe wrench according to claim 1 or 2, it is characterised in that：The clutch includes limited position pin（51） And slide post（52）；Spacer pin（51）Be opened in driving gear（4）The face matching of upper limit hole；Slide post（52）With one-way shaft It holds（21）Inner ring is coaxial and engagement matching；The slide post（52）It can be slided along own axes.

4. modified pipe wrench according to claim 1 or 2, it is characterised in that：The clutch includes frictional disk and cunning Dynamic column（52）；Frictional disk and driving gear（4）Face contacts；Slide post（52）With unilateral bearing（21）Inner ring it is coaxial and engage Matching；The slide post（52）It can be slided along own axes.

5. modified pipe wrench according to claim 2, it is characterised in that：Handle（2）And unilateral bearing（21）Between pass through Planetary gear（22）Engagement connection.