CN207927299U

CN207927299U - A kind of rotary-type high altitude scissors

Info

Publication number: CN207927299U
Application number: CN201820242114.0U
Authority: CN
Inventors: 马克勇; 王光彬
Original assignee: ZHONGSHAN QINGLIAN METAL PRODUCTS CO Ltd
Current assignee: ZHONGSHAN QINGLIAN METAL PRODUCTS CO Ltd
Priority date: 2018-02-09
Filing date: 2018-02-09
Publication date: 2018-10-02
Anticipated expiration: 2028-02-09

Abstract

The utility model discloses a kind of rotary-type high altitude scissors, it is in one's hands the shearing component of boom end including holding rod and setting, the shearing component includes a rotation seat, the runner being rotatably arranged on rotation seat, the lanyard assembly that runner can be pulled to rotate, the fixed blade being fixed on rotation seat, and the shear blade that can be rotated relative to fixed blade by driven by rotating wheel, runner can be reset to the resetting-mechanism of shear blade and fixed blade open configuration by being provided between the rotation seat and runner, when runner rotates, shear blade can be driven to make shearing or expansion action with fixed blade, the utility model utilizes rotary-type structure, coordinate compact, in addition to shearing side there's almost no the space of branch insertion, it is effective to ensure that cutting work is normally carried out.

Description

A kind of rotary-type high altitude scissors

Technical field

The utility model is related to a kind of high altitude scissors, especially a kind of rotary-type high altitude scissors.

Background technology

Currently, common high-altitude branch shear generally uses traditional scissor construction, wherein a blade is directly anchored to holding rod On, another blade is directly connected to drawstring, by pull drawstring make shear action, opening-closing structure is exposed, especially rear side Opening-closing structure, being inserted by barriers such as branches easily so that opening and closing movement is difficult, if configuration shell, shell need to cover entirely Slewing area, occupied space are big, it is difficult to stretch into narrow branch, use is very inconvenient.

Invention content

For overcome the deficiencies in the prior art, the utility model provides a kind of compact-sized rotary-type high altitude scissors.

Technical solution adopted by the utility model to solve its technical problems is：

A kind of rotary-type high altitude scissors, including holding rod and setting are in one's hands the shearing component of boom end, and the shearing component includes One rotation seat, the lanyard assembly that runner can be pulled to rotate, is fixed on rotation seat the runner being rotatably arranged on rotation seat Fixed blade and the shear blade that can be rotated relative to fixed blade by driven by rotating wheel, energy is provided between the rotation seat and runner The resetting-mechanism that runner is reset to shear blade and fixed blade open configuration is reached, when runner rotates, shear blade can be driven and consolidated Determine sword and makees shearing or expansion action.

The shear blade is connected to runner by a connecting rod, is rotatablely connected with fixed blade in the middle part of the shear blade, described to cut One end of cutting blade is blade, and one end of the other end and connecting rod is hinged, and other end rotation setting to the runner of the connecting rod deviates On the position at center so that four-bar mechanism is formed between connecting rod, runner, shear blade, fixed blade, it, can when runner rotates It drives shear blade to be rotated relative to fixed blade, forms shearing or expansion action.

The resetting-mechanism includes a torsional spring, and the runner is rotatably arranged on by a shaft on rotation seat, the torsional spring It is set in shaft, a wherein torque arm for torsional spring is connected to rotation seat, and another torque arm is connected on runner.

A wind spring is wound on the runner, the inner end of the wind spring is connected on runner, outboard end and drawstring group Part connects.

The lanyard assembly includes a drawstring and pulley blocks.

The pulley blocks include link block, are rotatably arranged on link block first pulley is rotatably arranged on holding rod Second pulley is wound with a wind spring on the runner, and the inner end of the wind spring is connected on runner, outboard end and link block Connection, one end of the drawstring are connected to link block lower end, the drawstring successively around extending after second pulley, first pulley and Go out.

A lever is provided on the drawstring.

The lever includes the first grip block and the second grip block, and one end of second grip block is hinged on the first clamping On block, the other end of second grip block is connected to the first grip block by a buckle structure, and the drawstring passes through the first folder It holds block and can be clamped by the second grip block.

A saw blade is fixedly installed on the rotation seat.

The holding rod is a telescopic rod.

The utility model has the beneficial effects that：A kind of rotary-type high altitude scissors, including holding rod and setting are in one's hands the cutting of boom end Cut component, the shearing component includes a rotation seat, the runner that is rotatably arranged on rotation seat, the drawing that runner can be pulled to rotate Rope component, the fixed blade being fixed on rotation seat and the shear blade that can be rotated relative to fixed blade by driven by rotating wheel, described turn It is dynamic that the resetting-mechanism that runner can be reset to shear blade and fixed blade open configuration, runner rotation are provided between seat and runner When, shear blade can be driven to make shearing or expansion action with fixed blade, the utility model utilizes rotary-type structure, and cooperation is compact, It is effective to ensure that cutting work is normally carried out in addition to shearing side there's almost no the space of branch insertion.

Description of the drawings

The utility model is further illustrated with reference to the accompanying drawings and examples.

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram of the utility model shearing component；

Fig. 3 is the decomposition diagram of the utility model shearing component；

Fig. 4 is the front schematic view of the utility model shearing component；

Fig. 5 is the schematic rear view of the utility model shearing component；

Fig. 6 is the structural schematic diagram of the utility model lever；

Fig. 7 is one of structural schematic diagram when the utility model lever opens；

Fig. 8 is second structural representation when the utility model lever opens；

Specific implementation mode

Referring to figs. 1 to Fig. 8, Fig. 1 to Fig. 8 is the structural schematic diagram of one specific embodiment of the utility model, as shown, A kind of rotary-type high altitude scissors, including holding rod 1 and shearing component in 1 end of holding rod is set, the shearing component includes a rotation Seat 2, the lanyard assembly that runner 3 can be pulled to rotate, is fixed on rotation seat 2 runner 3 being rotatably arranged on rotation seat 2 Fixed blade 5 and the shear blade 6 that can be rotated relative to fixed blade 5 by the drive of runner 3, set between the rotation seat 2 and runner 3 Runner 3 can be reset to the resetting-mechanism of shear blade 6 and 5 open configuration of fixed blade by being equipped with, and when runner 3 rotates, can be driven Shear blade 6 makees shearing or expansion action with fixed blade 5, and the utility model utilizes rotary-type structure, and cooperation is compact, in addition to shearing side The space of branch insertion is there's almost no, it is effective to ensure that cutting work is normally carried out.

Preferably, the shear blade 6 is connected to runner 3 by a connecting rod 7, and 6 middle part of the shear blade is rotated with fixed blade 5 One end of connection, the shear blade 6 is blade, and one end of the other end and connecting rod 7 is hinged, the other end rotation of the connecting rod 7 On setting to 3 off-centered position of runner so that form double leval jib machine between connecting rod 7, runner 3, shear blade 6, fixed blade 5 Structure can drive shear blade 6 to be rotated relative to fixed blade 5 when runner 3 rotates, and form shearing or expansion action, and pass through this Four-bar linkage structure, it is possible to increase shearing force or the maximum diameter that can shear branch of the shear blade 6 with fixed blade 5 meet different make With requiring.

Certainly, in specific implementation process, the shear blade 6 can be directly fixed on runner 3, be cut by driven by rotating wheel Cutting blade is opposite can equally to realize shearing and expansion action with fixed blade action, be not described in detail here.

Preferably, the resetting-mechanism includes a torsional spring 81, and the runner 3 is rotatably arranged on rotation seat by a shaft 82 On 2, the torsional spring 81 is set in shaft 82, and a wherein torque arm for torsional spring 81 is connected to rotation seat 2, and another torque arm, which is connected to, to be turned On wheel 3, you can realize the reset of runner so that shear blade and fixed blade are reset to deployed position, to carry out cutting next time It cuts.

Preferably, a wind spring 31 is wound on the runner 3, the inner end of the wind spring 31 is connected on runner 3, outside Side is connect with lanyard assembly, can easily be recycled lanyard assembly by wind spring 31, be used convenience more.

In the present embodiment, the lanyard assembly includes a drawstring 41 and pulley blocks, and laborsaving, raising is carried out by pulley blocks Shearing force in specific implementation process, can also directly use drawstring, be not described in detail here certainly.

In the present embodiment, the pulley blocks use sister block labor-saving structure comprising link block 42, the company of being rotatably arranged on The first pulley 421 on block 42, the second pulley 422 being rotatably arranged on holding rod 1 are connect, a wind spring is wound on the runner 3 31, the inner end of the wind spring 31 is connected on runner 3, and outboard end is connect with link block 42, and one end of the drawstring 41 connects It is connected to 42 lower end of link block, the drawstring 41 extends after bypassing second pulley 422, first pulley 421 successively, pulls drawstring The rotation control of runner can be realized in end.

Preferably, in the present embodiment, it is provided with a lever 43 on the drawstring 41, drawstring 41 is pulled to facilitate.

Preferably, the lever 43 includes the first grip block 431 and the second grip block 432, second grip block 432 are rotatably assorted with the first grip block 431, and the lacing hole that can be passed through for drawstring 41 is offered on first grip block 431 433, the compressing structure that can compress drawstring 41, the pressure are provided between first grip block, 431 and second grip block 432 Locking structure includes the notch or Kong Weijie for the compressible deformation being arranged on the first grip block 431 or the second grip block 432 Structure and it is arranged on the second grip block 432 or the first grip block 431 and extruding corresponding with the notch or hole bit architecture Structure, drawstring 41 sequentially pass through lacing hole 433, notch or hole bit architecture, when the first grip block 431 and the second grip block 432 when closing up, and extrusion structure compression notch or hole bit architecture shape deforming clip strain at rope 41, to by drawstring 41 be fixedly clamped to On lever 43, in use, unclamping the first grip block and the second grip block first, the opposite position of drawstring 41 and lever is freely adjusted It sets, after the completion of adjusting, holding handle with holding can be fixed on lever on drawstring 41, facilitates and pulls drawstring 41, and is easy to adjust Fast, meet the requirement of different personnel.

Preferably, in the present embodiment, it is provided with the pothook made of elastic material on second grip block 432 434, the notch is arranged on pothook 434, and press section 435, the extruding are provided on first grip block 431 V-groove corresponding with pothook 434 is provided in portion 435, to form the extrusion structure that can squeeze the deformation of pothook 434, when When first grip block 431 and the second grip block 432 close up, pothook 434 is squeezed by V-groove and is deformed, compresses and is located at card slot knot Drawstring 41 in structure, you can drawstring 41 is fixed on lever, is fixedly clamped conveniently.

Preferably, in the present embodiment, second grip block 432 is integrally formed by elastic plastic material, and forms institute 434 structure of pothook stated, first grip block 431 are made of hard material, since the second grip block 432 is by Elastic plastic-rubber Material is integrally formed, the good hand touch held.

Preferably, in the present embodiment, being provided between first grip block, 431 and second grip block 432 can incite somebody to action The two is reset to the elastic mechanism of open configuration, further, in the present embodiment, the first grip block 431 and the second grip block 432 It is rotatably assorted by a shaft, the elastic mechanism is the torsional spring being arranged at shaft.

Preferably, in the present embodiment, at the lacing hole 433 be configured with a flexible rubber ring, with to across drawstring 41 Certain frictional force is generated, is avoided when not in use, lever skids off drawstring 41, and trouble is caused when to secondary use.

Further, a saw blade 9 is fixedly installed on the rotation seat 2, generally in the sawed-off operation of progress.

The holding rod 1 is that a telescopic rod meets different requirements in order to the height of telescopic adjustment shearing component.

The preferred embodiments of the present invention have been specifically described above, certainly, the utility model can also use with The different form of the above embodiment, those skilled in the art under the premise of without prejudice to spirit of that invention made by etc. Same transformation or corresponding change, should all fall within the protection scope of the present invention.

Claims

1. a kind of rotary-type high altitude scissors, which is characterized in that including holding rod (1) and setting in the shearing component of holding rod (1) end, institute Shearing component is stated to include a rotation seat (2), the runner (3) being rotatably arranged on rotation seat (2), runner (3) can be pulled to rotate Lanyard assembly, the fixed blade (5) that is fixed on rotation seat (2) and capable of being driven by runner (3) turns relative to fixed blade (5) Dynamic shear blade (6), be provided between the rotation seat (2) and runner (3) runner (3) can be reset to shear blade (6) with The resetting-mechanism of fixed blade (5) open configuration can drive shear blade (6) to be sheared with fixed blade (5) when runner (3) rotates Or expansion action.

2. a kind of rotary-type high altitude scissors according to claim 1, it is characterised in that：The shear blade (6) passes through a connecting rod (7) it is connected to runner (3), is rotatablely connected with fixed blade (5) in the middle part of the shear blade (6), one end of the shear blade (6) is sword The one end in portion, the other end and connecting rod (7) is hinged, and the other end rotation setting of the connecting rod (7) is off-centered to runner (3) On position so that connecting rod (7), runner (3), shear blade (6), fixed blade form four-bar mechanism between (5), when runner (3) turn When dynamic, shear blade (6) can be driven to be rotated relative to fixed blade (5), form shearing or expansion action.

3. a kind of rotary-type high altitude scissors according to claim 1, it is characterised in that：The resetting-mechanism includes a torsional spring (81), the runner (3) is rotatably arranged on by a shaft (82) on rotation seat (2), and the torsional spring (81) is set in shaft (82) on, a wherein torque arm for torsional spring (81) is connected to rotation seat (2), and another torque arm is connected on runner (3).

4. a kind of rotary-type high altitude scissors according to claim 1, it is characterised in that：It is wound with a roll on the runner (3) The inner end of spring (31), the wind spring (31) is connected on runner (3), and outboard end is connect with lanyard assembly.

5. a kind of rotary-type high altitude scissors according to claim 1, it is characterised in that：The lanyard assembly includes a drawstring (41) and pulley blocks.

6. a kind of rotary-type high altitude scissors according to claim 5, it is characterised in that：The pulley blocks include link block (42), the first pulley (421) being rotatably arranged on link block (42), the second pulley being rotatably arranged on holding rod (1) (422), a wind spring (31) is wound on the runner (3), the inner end of the wind spring (31) is connected on runner (3), outside Side is connect with link block (42), and one end of the drawstring (41) is connected to link block (42) lower end, and the drawstring (41) is successively Extend after (421) around second pulley (422), first pulley.

7. a kind of rotary-type high altitude scissors according to claim 5, it is characterised in that：One is provided on the drawstring (41) to hold Handle (43).

8. a kind of rotary-type high altitude scissors according to claim 7, it is characterised in that：The lever (43) includes the first clamping Block (431) and the second grip block (432), second grip block (432) are rotatably assorted with the first grip block (431), and described Being offered on one grip block (431) can be for the lacing hole (433) that drawstring passes through, first grip block (431) and the second folder It holds and is provided with the compressing structure that can compress drawstring between block (432), the compressing structure includes being arranged in the first grip block (431) notch or hole bit architecture of the compressible deformation or on the second grip block (432) and setting are in the second grip block (432) or on the first grip block (431) and extrusion structure corresponding with the notch or hole bit architecture, drawstring sequentially pass through Lacing hole (433), notch or hole bit architecture are squeezed when the first grip block (431) and the second grip block (432) close up Structure compresses notch or hole bit architecture shape deforming clip strain at rope, to be fixedly clamped drawstring to lever (43).

9. a kind of rotary-type high altitude scissors according to claim 1, it is characterised in that：It is fixedly installed on the rotation seat (2) There is a saw blade (9).

10. a kind of rotary-type high altitude scissors according to claim 1, it is characterised in that：The holding rod (1) is a telescopic rod.