CN218789240U - Variable angle averruncator - Google Patents

Abstract

The utility model provides a variable angle high branch shearing head, which comprises an installation shell, wherein an installation cavity is formed in the installation shell; the transmission mechanism is arranged in the mounting cavity and is used for connecting a driving source, and the driving source drives the transmission mechanism to move; the cutter assembly is arranged on the mounting shell and is connected with the transmission mechanism, and the transmission mechanism drives the cutter assembly to move to realize shearing; a rotating housing rotatably connected to one side of the mounting housing; the first holding handle is arranged on the rotating shell in a linear motion mode and rotates along with the rotating shell; wherein, one side that the installation casing is close to rotating the casing is provided with a plurality of fixed slot, one side that first grip handle is close to the installation casing is provided with the dead lever, the dead lever rotates towards different fixed slots along with first grip handle to the dead lever stretches into or keeps away from the fixed slot along with first grip handle rectilinear motion and is used for the adjustment of first grip handle angle.

Description

Angle-variable high branch scissors

Technical Field

The utility model relates to a averruncator technical field especially relates to a variable angle averruncator head.

Background

A high-branch pruning head is a high-position pruning tool for fruit trees, gardens and the like, and is widely used due to the advantages of simple and convenient operation, wide application range and the like. The conventional high branch scissors generally comprise a shell, a handle arranged on one side of the shell and used for holding, a transmission mechanism arranged in the shell and a cutter, wherein the transmission mechanism is driven by a driving source to move, and then the cutter is driven to move to realize a shearing function. However, the handle of the existing high branch pruning head is usually fixedly arranged with the shell, and the handle cannot rotate, for example, the self-locking mechanism of the high branch pruning shear with the Chinese patent application number of 201710325045.X and the high branch pruning shear have the defects that the handle cannot rotate and the angle cannot be adjusted, so that when the high branch pruning head is used in some use environments or according to the use requirements of users in an inclined manner, the handle cannot be effectively adapted to the holding habits and angles of the users, the use of the user is possibly inconvenient and comfortable level is reduced, and the use of the high branch pruning head is possibly influenced.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a high branch of variable angle cutting head, it solves the unable fixed problem of adjusting of handle angle of conventional high branch cutting head through the rotation of the first handle of gripping and the cooperation of fixed slot and dead lever.

In order to solve the technical problem, the technical scheme of the utility model is that:

a variable angle lopping head comprising:

the mounting shell is internally provided with a mounting cavity;

the transmission mechanism is arranged in the mounting cavity and is used for connecting a driving source, and the driving source drives the transmission mechanism to move;

the cutter assembly is arranged on the mounting shell and is connected with the transmission mechanism, and the transmission mechanism drives the cutter assembly to move to realize shearing;

further comprising:

a rotating housing rotatably coupled to one side of the mounting housing; and

the first holding handle is arranged on the rotating shell in a linear motion manner and rotates along with the rotating shell;

the fixing device comprises a mounting shell, a first holding handle and a second holding handle, wherein a plurality of fixing grooves are formed in one side, close to the rotating shell, of the mounting shell, a fixing rod is arranged on one side, close to the mounting shell, of the first holding handle, the fixing rod rotates towards different fixing grooves along with the first holding handle, and the fixing rod stretches into or keeps away from the fixing grooves along with the first holding handle in a linear motion mode to be used for adjusting the angle of the first holding handle.

Preferably, one side of the installation shell, which is close to the rotation shell, is provided with an arc-shaped groove, and the plurality of fixing grooves are arranged in the arc-shaped groove in a circumferential array manner by taking the rotation axis of the rotation shell as a circle center.

Preferably, the outer side of the arc-shaped groove is provided with an arc-shaped sheet, the arc-shaped sheet is provided with a plurality of positioning holes, and the plurality of positioning holes are correspondingly arranged on the outer side of the arc-shaped groove and face towards the corresponding arc-shaped groove.

Preferably, both ends of the arc-shaped groove are provided with a first fixing hole, both ends of the arc-shaped piece are provided with a second fixing hole matched with the first fixing hole, the first fixing hole and the second fixing hole are simultaneously penetrated through a fastener to fix the arc-shaped piece in the arc-shaped groove, and the arc-shaped piece is bent into a shape matched with the arc-shaped groove.

Preferably, one side of the rotating shell is provided with a guide part, a guide hole penetrating through the guide part is formed in the guide part, the fixing rod is arranged in the guide hole in a penetrating mode, and limiting guide to the fixing rod is achieved through the guide hole.

Preferably, an elastic piece is arranged between the inner wall of the guide hole and the guide rod, the elastic piece is sleeved on the fixing rod, one end of the elastic piece is fixed in the guide hole, the other end of the elastic piece is connected with the fixing rod, and the elastic piece is used for resetting and fixing the fixing rod.

Preferably, one side of installation casing is provided with the second and grips the handle, the first handle that grips cooperates with the second and is used for gripping respectively of human both hands.

Preferably, the transmission mechanism includes:

the rotating seat is rotatably arranged in the mounting cavity and is used for being connected with a driving source, and the driving source drives the rotating seat to rotate;

the first eccentric wheel and the second eccentric wheel are arranged on the rotating seat, and the rotating seat, the first eccentric wheel and the second eccentric wheel are arranged eccentrically; the rotating seat rotates to drive the first eccentric wheel and the second eccentric wheel to rotate;

the inner end of the first connecting rod is sleeved on the first eccentric wheel, and the first eccentric wheel rotates to drive the inner end of the first connecting rod to synchronously move; and

the inner end of the second connecting rod is sleeved on the second eccentric wheel, and the second eccentric wheel rotates to drive the inner end of the second connecting rod to synchronously move;

the cutter assembly includes:

the inner end of the first cutter is connected with the outer end of the first connecting rod, and the outer end of the first cutter extends to the outer side of the shell; the first connecting rod drives the first cutter to move linearly;

the inner end of the second cutter is connected with the outer end of the second connecting rod, and the outer end of the second cutter extends to the outer side of the shell; the second connecting rod drives the second cutter to move linearly;

the first cutter and the second cutter are vertically arranged and attached to each other, and the objects are sheared through linear motion of the first cutter and the second cutter.

Preferably, a helical gear is arranged in the mounting cavity, a rotating disc is sleeved outside the rotating seat, helical bevel teeth meshed with the helical gear are arranged on the circumferential surface of the rotating disc, and a connecting shaft is arranged on the helical gear;

the rotary shell is internally provided with a connecting cavity communicated with the mounting cavity in a forming mode, a driving mechanism is arranged in the connecting cavity, the connecting shaft penetrates through the mounting cavity to extend into the connecting cavity to be connected with the driving mechanism, and the driving mechanism is used for being connected with a driving source.

Preferably, the first holding handle is provided with a passing channel axially penetrating through the first holding handle; the drive mechanism includes:

the first transmission gear is sleeved on the connecting shaft;

the second transmission gear is arranged on one side of the first transmission gear and meshed with the second transmission gear; and

a drive shaft connected to the second gear and passing through the passage for connection to a drive source.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

1. the utility model discloses a dead lever rotates the different fixed slot of orientation along with first gripping handle to the dead lever stretches into or keeps away from the fixed slot along with first gripping handle linear motion. Thereby can realize simply realizing the angle modulation and the fixed of the first handle that grips through the cooperation of fixed slot and dead lever, simple structure, easy operation. The user can adjust different holding angles conveniently so as to adapt to different use environments and use requirements.

2. The utility model discloses a locating hole guide dead lever, the fixed slot can accurately be inserted to the dead lever only need aim at the fixed orifices, effectively realizes locate function. Meanwhile, the arc-shaped sheet can also play a role in protecting the installation shell on the peripheral side of the fixing groove, and when the fixing rod is not aligned to the positioning hole, the arc-shaped sheet can block the fixing rod to prevent the fixing rod from colliding with the installation shell on the peripheral side of the fixing groove.

3. The arc-shaped sheet of the utility model is bent into the shape matched with the arc-shaped groove. Thereby the arc piece can laminate the shape of arc wall more, more effectively protects the fixed slot in arc wall and the arc wall. Meanwhile, the user only needs to simply screw or unscrew the fastener to realize the dismounting of the arc-shaped sheet in the arc-shaped groove, thereby being convenient for the replacement and the installation of the arc-shaped sheet.

4. The utility model discloses an elastic component realizes dead lever and the first automatic re-setting who grips the handle, and simple structure is just effective.

5. The utility model discloses a connecting rod and eccentric wheel's design can drive the connecting rod motion in step when making the eccentric wheel rotate, and the rethread connecting rod turns into the linear motion of cutter with the rotation of eccentric wheel, realizes the shearing of cutter. In the embodiment, the eccentric wheel and the inner end of the connecting rod can move synchronously all the time, namely, the relative distance between the eccentric wheel and the inner end of the connecting rod can be kept fixed, so that the stable driving of the eccentric wheel to the connecting rod is ensured, and the stable movement of the cutter is further ensured. Meanwhile, the two parts can move synchronously, so that the two parts can be prevented from being collided to cause damage.

6. The utility model discloses a first eccentric wheel, primary shaft and first connecting rod closely laminate in proper order, and then when realizing first eccentric wheel and the synchronous pivoted of first connecting rod, also can make the synchronous rotation between first eccentric wheel and the first connecting rod through first bearing can be more in the same direction as smooth, guarantee both synchronous pivoted stability.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a sectional view of the guide portion of the present invention in the axial direction;

FIG. 3 is a partial exploded view of the present invention;

FIG. 4 is a schematic view of the internal structure of the mounting housing;

fig. 5 is a schematic diagram of the connection of the transmission mechanism and the driving mechanism.

Reference numerals: 1. installing a shell; 11. a mounting cavity; 12. a guide channel; 13. fixing grooves; 14. an arc-shaped slot; 15. a first fixing hole;

2. a transmission mechanism; 21. a rotating seat; 22. a first eccentric wheel; 23. a second eccentric wheel; 24. a first link; 241. a first mounting hole; 242. a first bearing; 25. a second link; 251. a second mounting hole; 252. a second bearing; 26. rotating the disc; 27. a helical gear; 28. a connecting shaft;

3. a cutter assembly; 31. a first cutter; 32. a second cutter;

4. rotating the housing; 41. a guide portion; 42. a guide hole; 43. a connecting cavity;

5. a first holding handle; 51. fixing the rod; 52. a passage;

6. an arc-shaped sheet; 61. positioning holes; 62. a second fixing hole;

7. a drive mechanism; 71. a first drive tooth; 72. a second gear; 73. a drive shaft;

8. an elastic member; 9. a fastener; 10. a second holding handle; 100. and a pressing member.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.

As shown in fig. 1-5, a variable angle lopping shear head comprises a mounting housing 1, a transmission mechanism 2, a cutter assembly 3, a rotating housing 4 and a first holding handle 5. A mounting cavity 11 is formed in the mounting housing 1. The transmission mechanism 2 is arranged in the mounting cavity 11 and is used for connecting a driving source, and the driving source drives the transmission mechanism 2 to move. The cutter component 3 is arranged on the mounting shell 1 and is connected with the transmission mechanism 2, and the transmission mechanism 2 drives the cutter component 3 to move to realize shearing. The rotating housing 4 is rotatably coupled to one side of the mounting housing 1. The first holding handle 5 is linearly movably disposed on the rotary housing 4 and rotates with the rotary housing 4.

With reference to fig. 1 to 3, a plurality of fixing grooves 13 are formed in one side of the mounting housing 1 close to the rotating housing 4, a fixing rod 51 is arranged on one side of the first holding handle 5 close to the mounting housing 1, the fixing rod 51 rotates towards different fixing grooves 13 along with the first holding handle 5, and the fixing rod 51 extends into or is far away from the fixing grooves 13 along with the linear motion of the first holding handle 5. When the fixing lever 51 is inserted into the fixing groove 13, the fixing groove 13 restricts the rotation of the fixing lever 51, thereby indirectly restricting the rotation of the first grip handle 5 and the rotation housing 4. When the fixing rod 51 is far away from the fixing groove 13 until the fixing rod 51 is separated from the fixing groove 13, the fixing groove 13 no longer limits the rotation of the fixing rod 51, and the first holding handle 5 and the rotating shell 4 can normally rotate.

Therefore, when the user needs to adjust the angle of the first holding handle 5, the user only needs to hold the first holding handle 5 first, and then apply a force to separate the fixing rod 51 on the first holding handle 5 from the fixing groove 13, and then the first holding handle 5 and the rotating shell 4 can be rotated. When the user rotates the holding handle to a desired angle, the user only needs to stop applying force to the first holding handle 5 to make the fixing rod 51 extend into the fixing groove 13 corresponding to the angle again, and then the angle of the first holding handle 5 can be adjusted and fixed.

The angle adjustment and the fixation of the first holding handle 5 can be simply realized through the matching of the fixing groove 13 and the fixing rod 51, the structure is simple, and the operation is simple. The user can adjust different holding angles conveniently so as to adapt to different use environments and use requirements.

Referring to fig. 2 and 3, an arc-shaped groove 14 is formed in one side of the mounting housing 1 close to the rotating housing 4, and the plurality of fixing grooves 13 are circumferentially arranged in the arc-shaped groove 14 in a circumferential array around a rotation axis of the rotating housing 4. Thereby when dead lever 51 rotates along with first handle 5 that grips, a plurality of fixed slot 13 that the circumference array set up can with the first handle 5 that grips of different angles and dead lever 51 looks adaptation, guarantee that first handle 5 that grips can be effectively fixed all the time when the certain limit internal rotation. Meanwhile, the arc-shaped groove 14 can effectively reduce the protruding height of the fixing groove 13, effectively protect the fixing groove 13, and reduce the possibility that the external force causes abrasion or damage to the peripheral side of the fixing groove 13 to affect the function of the fixing groove 13.

Further, with reference to fig. 1 to 3, an arc-shaped sheet 6 is disposed on an outer side of the arc-shaped groove 14, a plurality of positioning holes 61 are disposed on the arc-shaped sheet 6, and the plurality of positioning holes 61 are correspondingly disposed on the outer side of the arc-shaped groove 14 and face the corresponding arc-shaped groove 14. Therefore, the fixing rod 51 is guided by the positioning hole 61, and the fixing rod 51 can be accurately inserted into the fixing groove 13 only by aligning with the fixing hole, so that the positioning function is effectively realized. Meanwhile, the arc-shaped piece 6 can also protect the mounting shell 1 on the periphery of the fixing groove 13, and when the fixing rod 51 is not aligned with the positioning hole 61, the arc-shaped piece 6 can block the fixing rod 51 to prevent the fixing rod 51 from colliding with the mounting shell 1 on the periphery of the fixing groove 13.

With reference to fig. 1 to 3, both ends of the arc-shaped groove 14 are provided with a first fixing hole 15, both ends of the arc-shaped piece 6 are provided with a second fixing hole 62 matched with the first fixing hole 15, the fixing of the arc-shaped piece 6 in the arc-shaped groove 14 is realized by the fastening piece 9 passing through the first fixing hole 15 and the second fixing hole 62, and the arc-shaped piece 6 is bent into a shape matched with the arc-shaped groove 14. Thereby the arc-shaped sheet 6 can be more attached to the shape of the arc-shaped groove 14, and the arc-shaped groove 14 and the fixing groove 13 in the arc-shaped groove 14 are more effectively protected. Meanwhile, the user can assemble and disassemble the arc-shaped sheet 6 in the arc-shaped groove 14 by simply screwing or unscrewing the fastener 9, thereby facilitating the replacement and installation of the arc-shaped sheet 6.

Further, with reference to fig. 1 to 3, a guide portion 41 is disposed on one side of the rotating housing 4, a guide hole 42 penetrating through the guide portion 41 is formed in the guide portion 41, the fixing rod 51 is inserted into the guide hole 42, and the fixing rod 51 is guided by the guide hole 42. Thereby enabling the fixing lever 51 to maintain a linear motion through the guide hole 42 and improving the stability of the movement of the fixing lever 51.

With reference to fig. 1 to 3, an elastic member 8 is disposed between the inner wall of the guide hole 42 and the guide rod, the elastic member 8 is sleeved on the fixing rod 51, one end of the elastic member 8 is fixed in the guide hole 42, and the other end is connected to the fixing rod 51. So that the elastic member 8 is compressed or elongated when the fixing lever 51 is pulled out toward the outside along with the first grip handle 5. When the first holding handle 5 is not applied with an outward force by the user, the elastic member 8 rebounds to drive the fixing rod 51 and the first holding handle 5 to reset, so that the fixing rod 51 extends into the corresponding fixing groove 13 again to realize the automatic rebounding and fixing of the first holding handle 5 at the angle.

Further, with reference to fig. 1 and 3, the high branch scissors according to the present embodiment may have only one holding position of the first holding handle 5, and the user may hold the first holding handle 5 with both hands or with one hand, which is simple in structure. The second holding handle 10 may be disposed on one side of the mounting casing 1, and the first holding handle 5 and the second holding handle 10 are matched to be used for holding both hands of a human body respectively, that is, may be used for holding both the left hand and the right hand of a user respectively, so that the user can use the high pruning shear head.

With reference to fig. 1, 4 and 5, the transmission mechanism 2 includes a rotating base 21, a first eccentric 22, a second eccentric 23, a first connecting rod 24, a second connecting rod 25, a first tool 31 and a second tool 32. The rotating base 21 is rotatably disposed in the mounting cavity 11, and in this embodiment, the driving mechanism 7 is connected to a driving source, the driving source drives the driving mechanism 7 to move, and the driving mechanism 7 drives the rotating base 21 to rotate. The driving source in this embodiment is preferably a motor. The first eccentric wheel 22 is disposed on the rotating base 21 and is eccentric to the axis of the rotating base 21. The second eccentric wheel 23 is arranged on the rotating seat 21, and the rotating seat 21, the first eccentric wheel 22 and the second eccentric wheel 23 are all arranged eccentrically. The rotating base 21 rotates to drive the first eccentric wheel 22 and the second eccentric wheel 23 to rotate. The inner end of the first connecting rod 24 is sleeved on the first eccentric wheel 22, and the first eccentric wheel 22 rotates to drive the inner end of the first connecting rod 24 to move synchronously. The inner end of the second connecting rod 25 is sleeved on the second eccentric wheel 23, and the second eccentric wheel 23 rotates to drive the inner end of the second connecting rod 25 to move synchronously. The inner end of the first cutter 31 is connected with the outer end of the first connecting rod 24, and the outer end thereof extends to the outer side of the mounting shell 1; the first link 24 drives the first knife 31 to move linearly. The second knife 32 is connected at its inner end to the outer end of the second link 25, which outer end extends to the outside of the mounting housing 1. The second link 25 drives the second cutter 32 to move linearly. The first cutter 31 and the second cutter 32 are arranged up and down and attached to each other, and the object is cut by the linear motion of the first cutter 31 and the second cutter 32, the structure of the first cutter 31 and the second cutter 32 in the embodiment is the prior art, and the detailed description is omitted in the embodiment.

Through the design of connecting rod and eccentric wheel in this embodiment, can drive the connecting rod motion when making the eccentric wheel rotate, the rethread connecting rod turns into the linear motion of cutter with the rotation of eccentric wheel, realizes the shearing of cutter. In the embodiment, the eccentric wheel and the inner end of the connecting rod can move synchronously all the time, namely, the relative distance between the eccentric wheel and the inner end of the connecting rod can be kept fixed, so that the stable driving of the eccentric wheel to the connecting rod is ensured, and the stable movement of the cutter is further ensured. Meanwhile, the two parts can move synchronously, so that the two parts can be prevented from being collided to cause damage.

In this embodiment, the eccentric wheel and the connecting rod may be connected in a manner of hinge connection, shaft hole fit or bearing fit, which enables synchronous rotation. With reference to fig. 4 and fig. 5, in the present embodiment, preferably, the inner end of the first connecting rod 24 is provided with a first mounting hole 241, the first eccentric 22 is disposed in the first mounting hole 241, the first eccentric 22 is sleeved with a first bearing 242, and an outer peripheral surface of the first bearing 242 is attached to an inner wall of the first mounting hole 241. Therefore, the first eccentric wheel 22, the first bearing 242 and the first connecting rod 24 are sequentially and tightly attached, so that the first eccentric wheel 22 and the first connecting rod 24 synchronously rotate, and meanwhile, the first bearing 242 can enable the first eccentric wheel 22 and the first connecting rod 24 to synchronously rotate more smoothly, and the stability of the synchronous rotation of the first eccentric wheel 22 and the first connecting rod 24 is ensured.

Correspondingly, with reference to fig. 4 and 5, the inner end of the second connecting rod 25 is provided with a second mounting hole 251, the second eccentric wheel 23 is disposed in the second mounting hole 251, the second eccentric wheel 23 is sleeved with a second bearing 252, and the outer peripheral surface of the second bearing 252 fits the inner wall of the second mounting hole 251.

Further, as shown in fig. 4, one side of the mounting cavity 11 of the connecting rod is provided with a guide channel 12, the guide channel 12 communicates the mounting cavity 11 with the outer side of the housing, the inner ends of the first cutter 31 and the second cutter 32 are both slidably arranged in the guide channel 12, and the guide channel 12 limits the movement of the first cutter 31 and the second cutter 32. Therefore, under the matching action of the guide channel 12 and the connecting rod, when the inner end of the connecting rod reciprocates along with the rotation of the eccentric wheel, the outer end of the connecting rod can drive the cutter to do reciprocating linear motion. Simple structure and effectiveness.

Referring to fig. 4 and 5, a helical gear 27 is disposed in the mounting cavity 11, a rotating disc 26 is sleeved outside the rotating seat 21, helical teeth engaged with the helical gear 27 are disposed on the circumferential surface of the rotating disc 26, and a connecting shaft 28 is disposed on the helical gear 27. A connecting cavity 43 communicated with the mounting cavity 11 is formed in the rotating shell 4, a driving mechanism 7 is arranged in the connecting cavity 43, the connecting shaft 28 penetrates through the mounting cavity 11 and extends into the connecting cavity 43 to be connected with the driving mechanism 7, and the driving mechanism 7 is used for being connected with a driving source. The drive source thus drives the entire high pruning head via the drive mechanism 7, the bevel gear 27 and the turn disc 26.

Specifically, with reference to fig. 3 to 5, the first holding handle 5 is provided with a passage 52 axially penetrating through the first holding handle 5; the drive mechanism 7 includes a first gear tooth 71, a second gear tooth 72, and a drive shaft 73. The first transmission tooth 71 is fitted over the connecting shaft 28. The second transmission teeth 72 are disposed at one side of the first transmission teeth 71 and engaged with the second transmission teeth 72. A drive shaft 73 is connected to the second gear 72, and the drive shaft 73 passes through the passage 52 for connection to a drive source. Therefore, when the high branch shear is connected with the driving source, the driving source drives the driving shaft 73 to rotate, then the driving shaft 73 rotates to drive the second transmission gear 72 to rotate, then the first transmission gear 71 is driven to rotate, further the connecting shaft 28 and the bevel gear 27 connected with the connecting shaft 28 are driven to rotate, the bevel gear 27 drives the rotating disc 26 to rotate after rotating, then the rotating base 21, the eccentric wheel and the connecting rod are driven to rotate in sequence, and finally the connecting rod drives the cutter to move linearly, so that the shearing action of the high branch shear is realized.

Referring to fig. 1, 4 and 5, a pressing member 100 is disposed on one side of the rotating housing 4, one end of the pressing member 100 extends into the mounting housing 1 through the rotating housing 4, the connecting shaft 28 and the bevel gear 27, and is fixed in the mounting housing 1, and in this embodiment, the pressing member 100 is preferably a bolt, a screw or other fastening member. Thereby connecting the rotary case 4 and the mounting case 1 by the pressing member 100 so that the rotary case 4 can be stably press-connected to one side of the mounting case 1.

After the rotating housing 4 and the mounting housing 1 are mounted and fixed, the pressing member 100 is kept fixed, and the first transmission teeth 71, the connecting shaft 28 and the bevel gear 27 all rotate around the axis of the pressing member 100.

Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.

Claims (10)

1. A variable angle lopping shear comprises

A mounting housing (1) in which a mounting cavity (11) is formed;

the transmission mechanism (2) is arranged in the mounting cavity (11) and is used for connecting a driving source, and the driving source drives the transmission mechanism (2) to move;

the cutter assembly (3) is arranged on the mounting shell (1) and is connected with the transmission mechanism (2), and the transmission mechanism (2) drives the cutter assembly (3) to move to realize shearing;

it is characterized by also comprising:

a rotating shell (4) which is rotatably connected to one side of the mounting shell (1); and

a first grip handle (5) which is provided on the rotary housing (4) so as to be linearly movable and rotates along with the rotary housing (4);

wherein, one side that installation casing (1) is close to rotation casing (4) is provided with a plurality of fixed slot (13), one side that first handle (5) of gripping is close to installation casing (1) is provided with dead lever (51), dead lever (51) rotate towards different fixed slot (13) along with first handle (5) of gripping to dead lever (51) are used for the adjustment of first handle (5) angle along with first handle (5) linear motion stretches into or keep away from fixed slot (13).

2. The variable angle pruning head according to claim 1, wherein: one side of the mounting shell (1) close to the rotating shell (4) is provided with an arc-shaped groove (14), and the plurality of fixing grooves (13) are arranged in the arc-shaped groove (14) in a circumferential array mode by taking the rotating shaft center of the rotating shell (4) as the circle center.

3. The variable angle lopping shear of claim 2, wherein: the outer side of the arc-shaped groove (14) is provided with an arc-shaped sheet (6), the arc-shaped sheet (6) is provided with a plurality of positioning holes (61), and the plurality of positioning holes (61) are correspondingly arranged on the outer side of the arc-shaped groove (14) and face towards the corresponding arc-shaped groove (14).

4. The variable angle lopping shear of claim 3, wherein: the both ends of arc wall (14) all are provided with fixed orifices one (15), the fixed orifices two (62) with fixed orifices one (15) looks adaptation are all seted up at the both ends of arc piece (6), pass fixed orifices one (15) simultaneously and fixed orifices two (62) realize fixed of arc piece (6) in arc wall (14) through fastener (9) to arc piece (6) crooked become with the shape of arc wall (14) looks adaptation.

5. The variable angle lopping shear of any one of claims 1 to 4, wherein: one side of the rotating shell (4) is provided with a guide part (41), a guide hole (42) penetrating through the guide part (41) is formed in the guide part (41), the fixing rod (51) is arranged in the guide hole (42) in a penetrating mode, and limiting guide of the fixing rod (51) is achieved through the guide hole (42).

6. The variable angle lopping shear of claim 5, wherein: be provided with elastic component (8) between the inner wall of guiding hole (42) and the guide bar, elastic component (8) cover is established on dead lever (51), and the one end of elastic component (8) is fixed in guiding hole (42), the other end is connected with dead lever (51), and elastic component (8) are used for restoring to the throne of dead lever (51) fixed.

7. The variable angle lopping shear of any one of claims 1 to 4, wherein: one side of installation casing (1) is provided with the second and grips handle (10), first grip handle (5) and second grip handle (10) cooperate and are used for gripping respectively of human both hands.

8. The variable angle lopping shear of any one of claims 1 to 4, wherein: the transmission mechanism (2) comprises:

the rotating seat (21) is rotatably arranged in the mounting cavity (11) and is used for being connected with a driving source, and the driving source drives the rotating seat (21) to rotate;

the first eccentric wheel (22) and the second eccentric wheel (23) are arranged on the rotating seat (21), and the rotating seat (21), the first eccentric wheel (22) and the second eccentric wheel (23) are arranged eccentrically; the rotating seat (21) rotates to drive the first eccentric wheel (22) and the second eccentric wheel (23) to rotate;

the inner end of the first connecting rod (24) is sleeved on the first eccentric wheel (22), and the first eccentric wheel (22) rotates to drive the inner end of the first connecting rod (24) to synchronously move; and

the inner end of the second connecting rod (25) is sleeved on the second eccentric wheel (23), and the second eccentric wheel (23) rotates to drive the inner end of the second connecting rod (25) to synchronously move;

the cutter assembly (3) comprises:

a first cutter (31) with an inner end connected with the outer end of the first connecting rod (24) and an outer end extending to the outer side of the shell; the first connecting rod (24) drives the first cutter (31) to move linearly; and

the inner end of the second cutter (32) is connected with the outer end of the second connecting rod (25), and the outer end of the second cutter extends to the outer side of the shell; the second connecting rod (25) drives the second cutter (32) to move linearly;

the first cutter (31) and the second cutter (32) are arranged up and down and attached to each other, and the objects are sheared through linear motion of the first cutter (31) and the second cutter (32).

9. The variable angle pruning head according to claim 8, wherein: a helical gear (27) is arranged in the mounting cavity (11), a rotating disc (26) is sleeved outside the rotating seat (21), helical bevel teeth meshed with the helical gear (27) are arranged on the peripheral surface of the rotating disc (26), and a connecting shaft (28) is arranged on the helical gear (27);

the rotary type fan is characterized in that a connecting cavity (43) communicated with the mounting cavity (11) is formed in the rotary shell (4), a driving mechanism (7) is arranged in the connecting cavity (43), the connecting shaft (28) penetrates through the mounting cavity (11) and extends into the connecting cavity (43) to be connected with the driving mechanism (7), and the driving mechanism (7) is used for being connected with a driving source.

10. The variable angle lopping shear of claim 9, wherein: the first holding handle (5) is provided with a passing channel (52) which axially penetrates through the first holding handle (5); the drive mechanism (7) comprises:

a first transmission tooth (71) which is sleeved on the connecting shaft (28);

a second transmission tooth (72) which is arranged on one side of the first transmission tooth (71) and is meshed with the second transmission tooth (72); and

a drive shaft (73) which is connected to the second gear (72), and the drive shaft (73) passes through the passage (52) for connection to a drive source.

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