CN216626742U

CN216626742U - Folding sliding pruning shears

Info

Publication number: CN216626742U
Application number: CN202123363188.0U
Authority: CN
Inventors: 宁一翔; 王国壮
Original assignee: Yingkou Xiong Da Dacheng Gardening Tools Co ltd
Current assignee: Yingkou Xiong Da Dacheng Gardening Tools Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-05-31
Anticipated expiration: 2031-12-29

Abstract

The utility model relates to a folding sliding pruning shear, which comprises a hook head shearing arm, a chassis box body, a cutter head and a hand seat, wherein the inner side of the hook head shearing arm is respectively provided with an inner shearing section, a middle shearing section and a bent hanging section; the hand seat is arranged below the connecting rod of the chassis box body, the right side of the hand seat is provided with a folding driving shaft crank, and the lower tail end of the hand seat is provided with a handheld handle. The utility model adopts multi-section connecting rods for connection, is convenient to disassemble and assemble, is convenient to carry, has good overall stability and good support property after connection, saves time and labor in the process of cutting thick branches, and has good durability and convenient use.

Description

Folding sliding pruning shears

Technical Field

The utility model belongs to the technical field of fruit tree shears, and particularly relates to a folding sliding pruning shear.

Background

Fruit tree pruning plays a great role in the growth of fruit trees. With the development of agriculture in China for many years, some fruit trees become luxuriant, tall and big in branches in long-term meticulous cultivation and growth, garden maintenance personnel are difficult to cut higher branches by adopting handheld scissors during branch trimming, and the branches at the higher parts are trimmed and removed by using high branch scissors with longer wood sticks as lengthening rods. Adopt longer stick to hardly dismantle as the extension bar under the traditional mode, long stick passes through the nail with the averruncator and is connected, just uses for a long time after generally connecting. However, with the application of many years, the scraping phenomenon caused by the overlong rod body often occurs when a person holds a tool with a lengthened wood rod in the process of riding the vehicle to trim the orchard, so that a very serious accident can occur once a motor vehicle scrapes the long rod, or the scraping of the long rod can cause serious personal injury when the person holding the lengthened wood rod moves at an excessively high speed, and the carrying is inconvenient; however, the existing telescopic fishing rod-shaped extension rod is a structure in which a thick pipe and a thin pipe are sequentially and completely sleeved, the tail end of the rod after telescopic extension is thin, so that the phenomenon of large-amplitude shaking or vibration often occurs, the head part of a high-branch shear is difficult to support for operation, the supporting force of the structural strength is poor, the cut of the branch is not smooth, and the wound healing of trees is not facilitated; in addition, most of the traditional high branch scissors are hand-pulled ropes when the high branch scissors are used for pruning, the scissors are cut in a mode that the scissor heads are pulled to be closed through the pulley blocks, hands are tightened, and a left branch and a right branch or thick branches of a thumb are difficult to hook and cut, so that the pruning is laborious.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of folding sliding and shrinking secateurs, which solves the technical problems that a long wood pole is easy to scrape and touch in carrying and transportation, is inconvenient to carry, has poor supporting performance of a telescopic pole and is hard to catch hands in a pruning process.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a pair of folding and sliding pruning shears is characterized by comprising:

the inner side of the hook head shearing arm is respectively provided with an inner shearing section, a middle cutting section and a bent hanging section, and the lower tail ends of the inner shearing section, the middle cutting section and the bent hanging section are respectively provided with a tooth blade;

the chassis box body is arranged at the rear side of the hook head shearing arm and fixedly connected with the hook head shearing arm, a gear set is arranged in the chassis box body, a rod seat is arranged at the lower end of the chassis box body, a connecting rod is arranged below the rod seat, and transmission shafts are arranged in the rod seat and the connecting rod;

the cutter head is rotatably connected with the hook head shearing arm, an opening cutter, a following cutter and a full-edge cutter are sequentially arranged at the front end of the cutter head, a driving gear is arranged on a shaft of the cutter head, and the driving gear is sequentially meshed and in transmission connection with the gear set and the transmission shaft;

the hand seat is arranged below the connecting rod of the chassis box body, a folding driving shaft crank is arranged on the right side of the hand seat, and a hand-held handle is arranged at the lower tail end of the hand seat.

Preferably, the inclination angles of the teeth of the tooth blade are different in all of the inner shearing section, the interruption section and the bent hanging section.

Preferably, the teeth of the tooth edges of the inner shearing section and the bent hanging section are both in the shape of a right-angled triangle and are distributed oppositely.

Preferably, the teeth of the tooth blade of the interruption section are in the shape of an isosceles triangle.

Preferably, the opening knife, the following knife and the full-edge knife rotate around the same shaft and rotate through the driving gear, and the opening knife, the following knife and the full-edge knife are sequentially arranged from short to long.

Preferably, the opening knife is closed in a shearing mode with the inner shearing section after being rotated.

Preferably, the follower knife is in shearing-shaped fit with the inner shearing section and the interruption section.

Preferably, the full-edge knife is in shearing-shaped fit with the inner shearing section, the middle breaking section and the bent hanging section.

Preferably, the gear set is in gear meshing type matching transmission of speed reduction ratio transmission, and the folding driving shaft crank drives the cutter head to rotate in a shearing closed type through the transmission shaft.

Preferably, the quantity of connecting rod is a plurality of, the pole seat with the one end of connecting rod all is provided with female head, the hand seat with the other end of connecting rod all is provided with public head, public head with female first bayonet card is hung and is connected and make inside multisection the transmission shaft carries out end to end drive connection.

The utility model has the beneficial effects that: the connecting rods are connected in sequence through the male head and the female head, so that the connecting rod is convenient to disassemble and carry, the length of the whole connecting rod can be determined by the number of the connecting rods, the stability of the whole connected connecting rod is good, the supporting performance is good, and the strength of the connected connecting rods is higher than that of a long wood rod; in addition, when the branch pruning machine is used, the hook head shearing arm can be directly hung on a branch to be pruned, the branch is not easy to fall off in a hooking mode, the hand-operated folding driving shaft crank can enable the cutter head to rotate through the meshing of the transmission shaft and the gear set to implement shearing operation, the opening cutter, the following cutter and the full-edge cutter of the cutter head sequentially cut through the cutter head, so that the thicker branch can be cut smoothly, and the whole pruning process is time-saving and labor-saving.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of another front view configuration of the present invention;

FIG. 3 is an enlarged partial schematic view of FIG. 2 of the present invention;

FIG. 4 is a front view of the connecting rod of the present invention;

FIG. 5 is a front view of the hand rest of the present invention;

FIG. 6 is a schematic diagram of an embodiment of the present invention;

FIG. 7 is an enlarged partial schematic view of FIG. 6 of the present invention;

in the figure: 1 hook head shearing arm, 11 internal shearing section, 12 interruption section, 13 bending hanging section, 14 tooth edges, 2 chassis box bodies, 21 gear sets, 22 rod seats, 23 connecting rods, 24 transmission shafts, 3 cutter heads, 31 opening cutters, 32 follower cutters, 33 full-edge cutters, 34 driving gears, 4 hand seats, 41 folding driving shaft cranks, 42 handheld handles, 5 female heads, 51 internal opening platforms, 52 pin holes, 53 cross sleeves, 6 male heads, 61 convex ring platforms, 62 elastic pins, 63 cross head and 64 supporting shaft sleeves.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, it should be understood that the preferred embodiments described herein are only for illustrating and explaining the present invention, and are not intended to limit the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention. In embodiments, the components of the embodiments of the present application, generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Referring to fig. 1 to 7, a pair of foldable sliding pruning shears may include a hook shear arm 1, a chassis box 2, a cutter head 3, a hand seat 4, a female head 5 and a male head 6. Hereinafter, a partial structure and principle of the above-described components according to the present pruning shears will be described in detail.

In an embodiment, as shown in fig. 1, 2, 3, 6 and 7, for example, the hook shear arm 1 is curved, the chassis box 2 is disposed behind the hook shear arm 1 and fixedly connected to the hook shear arm 1, and the hook shear arm 1 and the chassis box 2 may be integrally formed by machining using a forged piece; an inner shearing section 11, an interruption section 12 and a bent hanging section 13 are respectively arranged on the inner side of the hook head shearing arm 1, the inner shearing section 11, the interruption section 12 and the bent hanging section 13 are a shearing blade with a cutting edge and can form a shearing edge through grinding, and the cutting edges of the lower tail ends of the inner shearing section 11, the interruption section 12 and the bent hanging section 13 can be provided with tooth blades 14; the inclination angles of the teeth of the tooth edge 14 are different among the inner shearing section 11, the interruption section 12 and the bent hanging section 13; the teeth of the tooth blade 14 of the inner shearing section 11 and the tooth blade of the bent hanging section 13 are both in the shape of a right triangle and are distributed in an opposite shape, the teeth of the tooth blade 14 of the interruption section 12 are in the shape of an isosceles triangle, so that the hook head shearing arm 1 can be conveniently hooked on a branch and accurately positioned with the branch during shearing operation, and the hook head shearing arm 1 is not easy to move on the branch and in the shearing process. A gear set 21 is arranged in a box cavity of the chassis box body 2, and the gear set 21 is in gear meshing type matching transmission of speed reduction ratio transmission; the lower end of the chassis box body 2 is provided with a rod seat 22, the tail end of the rod seat 22 is in a round rod shape, and the rod seat 22 can be integrally manufactured with the chassis box body 2; a cylindrical connecting rod 23 is arranged below the rod seat 22, and the number of the connecting rods 23 can be multiple; the rod seat 22 and the connecting rod 23 are both provided with a transmission shaft 24, and the transmission shaft 24 is in gear-meshing transmission fit connection with the gear set 21.

In an embodiment, as shown in fig. 1, 2, 3, 5, 6, and 7, for example, a cutter disc 3 may be rotatably connected to the hook shear arm 1 to form a scissor shape, an opening knife 31, a following knife 32, and a full-edge knife 33 may be sequentially disposed on the cutter disc 3, the cutter disc 3 may be integrally formed by a forged piece with the opening knife 31, the following knife 32, and the full-edge knife 33, and grinding and edging are respectively performed on the opening knife 31, the following knife 32, and the full-edge knife 33 after machining, the opening knife 31, the following knife 32, and the full-edge knife 33 are sequentially arranged from short to long, and the opening knife 31, the following knife 32, and the full-edge knife 33 all rotate around an axis of the cutter disc 3; the opening knife 31 is cut and closed with the inner cutting section 11 after rotating and closing; the following knife 32 is in shearing fit with the inner shearing section 11 and the interruption section 12 after being rotated and closed; the full-edge cutter 33 is in shearing shape matching with the inner shearing section 11, the middle cutting section 12 and the bent hanging section 13 after being rotated and closed, so that thick branches can be cut in three sections when being sheared, the phenomenon that the thick branches are difficult to cut is avoided, the branches which can be hooked by the hook head shearing arm 1 can be easily cut, the shearing force at the shearing opening is reduced due to sequential shearing of the sections, the long-term precision at the shearing opening is maintained, and the durability is enhanced. The epaxial drive gear 34 that can be provided with of blade disc 3, drive gear 34 can with blade disc 3 coaxial coupling can rotate in step, drive gear 34 with gear train 21 with transmission shaft 24 meshes the transmission in proper order and connects, transmission shaft 24's rotation can pass through gear train 21 with drive gear 34 drives blade disc 3 rotates, realizes the closure or the opening of cut.

In an embodiment, as shown in fig. 1, 2, and 5, as an example, the hand seat 4 may be disposed below the connecting rod 23 at the end of the chassis box 2, the upper end of the hand seat 4 may be cylindrical, the middle of the hand seat 4 may be square column shaped, the right side of the square column shaped of the hand seat 4 may be provided with a folding driving shaft crank 41, the folding driving shaft crank 41 may be rotatably connected to the hand seat 4, the lower end of the hand seat 4 may be provided with a hand grip 42, the hand grip 42 may be a cylindrical handle covered with a soft rubber, and the hand grip 42 may be screwed or fixedly connected to the hand seat 4. The folding driving shaft crank 41 can be in transmission connection with the transmission shaft 24 in a gear meshing fit mode, and the folding driving shaft crank 41 can drive the cutter head 3 to rotate in a shearing closed mode or open through the transmission shaft 24.

In the embodiment of the present invention, as shown in fig. 2, 3, 4, 5 and 7, as an example, female heads 5 may be disposed at lower ends of the rod seat 22 and the connecting rod 23, male heads 6 may be disposed at upper ends of the hand seat 4 and the connecting rod 23, the male heads 6 may be connected with the female heads 5 in an insertion and hooking manner, and the rod seat 22, the connecting rod 23 and the hand seat 4 are sequentially connected by the insertion and hooking manner of the male heads 6 and the female heads 5.

In a particular embodiment, as shown in fig. 4, the female head 5 may include an internal orifice platform 51, a pin hole 52, a cross-shaped sleeve 53; the male head 6 may include an elastic pin 62, a cross-shaped shaft head 63, and a bushing sleeve 64, the convex ring table 61 may be in clearance fit with the inner opening table 51 and may be connected in a sleeved manner, the pin holes 52 are drilled on both sides of the inner opening table 51, the elastic pin 62 is a cylindrical pin and is connected at the rear portion by welding a spring steel sheet with a pipe wall, the elastic pin 62 may be in clearance fit with the pin holes 52, and the convex ring table 61 may be locked by the elastic pin 62 matching with the pin holes 52 after being sleeved with the inner opening table 51; the tail end of one side of the transmission shaft 24 in the female head 5 can be fixedly connected with the cross sleeve 53, and the other tail end of the transmission shaft 24 in the male head 6 can be fixedly connected with the cross shaft head 63; the cross shaft head 63 and the cross sleeve 53 can be in clearance fit for socket type connection, and the cross shaft head 63 and the cross sleeve 53 can synchronously rotate; the inner holes of the bearing sleeve 64 can be in clearance fit with the transmission shaft 24, so that the transmission shaft 24 can rotate stably; the plurality of transmission shafts 24 can be in transmission connection through the matching of the cross shaft heads 63 and the cross sleeves 53.

The multi-section connecting rods 23 are sequentially connected through the male head 6 and the female head 5, so that the tree pruning tool is convenient to disassemble, carry and install, the overall length can be determined by the number of the connecting rods 23, the length adjustment performance is good, the overall stability after connection is good, the supporting performance is good, the strength after the multi-section connecting rods 23 are connected is higher than the structural strength of a long wood pole, the folding driving shaft crank 41 is not easy to shake when being shaken for shearing operation, branches are cut off in sections, the cut of the branches is guaranteed to be smooth, and the wound healing of trees is facilitated; in addition, when in use, the hook head shearing arm 1 can be directly hung on a branch to be sheared, the hook head shearing arm 1 is hooked on the branch through the tooth blade 14 and is not easy to fall off, the hand-operated folding driving shaft crank 41 can enable the cutter head 3 to rotate through the meshing of the transmission shaft 24 and the gear set 21 to implement shearing operation, the branch is not easy to move during shearing, the opening cutter 31, the following cutter 32 and the full-edge cutter 33 of the cutter head 3 are ensured to be sequentially and easily cut, the thicker branch can be ensured to be cut smoothly, the whole shearing process is time-saving and labor-saving, the utility model has the advantages of simple structure, low manufacturing cost, good durability, good hook positioning performance during branch shearing, and convenient use.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and shall cover the scope of the present invention. Therefore, the protection scope of the present invention should be dominated by the protection scope of the claims.

Claims

1. A pair of folding and sliding pruning shears is characterized by comprising:

the cutter head is rotatably connected with the hook head shearing arm, an opening cutter, a following cutter and a full-edge cutter are sequentially arranged at the front end of the cutter head, a driving gear is arranged on a shaft of the cutter head, and the driving gear is sequentially meshed with the gear set and the transmission shaft in a transmission manner;

2. A pair of folding and sliding secateurs, according to claim 1, wherein: the inclined angle of the teeth of the tooth blade is different among the inner shearing section, the interruption section and the bent hanging section.

3. A pair of folding and sliding secateurs, according to claim 2, wherein: the teeth of the tooth edges of the inner shearing section and the bent hanging section are both in the shape of a right-angled triangle and are distributed oppositely.

4. A pair of folding and sliding secateurs, according to claim 2, wherein: the teeth of the tooth blade of the interruption section are in the shape of an isosceles triangle.

5. A pair of folding and sliding secateurs, according to claim 1, wherein: the opening knife, the following knife and the full-edge knife rotate around the same shaft and rotate through the driving gear, and the opening knife, the following knife and the full-edge knife are sequentially arranged from short to long.

6. A folding slide and shear secateurs, according to claim 5, wherein: and the opening knife is cut and closed with the inner cutting section after being rotated and closed.

7. A folding slide and shear secateurs, according to claim 5, wherein: the following knife is in shearing shape matching with the inner shearing section and the interruption section.

8. A folding slide and shear secateurs, according to claim 5, wherein: the full-edge cutter is in shearing shape matching with the inner shearing section, the middle breaking section and the bent hanging section.

9. A pair of folding and sliding secateurs, according to claim 1, wherein: the gear set is in gear meshing type matching transmission of speed reduction ratio transmission, and the folding driving shaft crank drives the cutter head to rotate in a shearing closed type through the transmission shaft.

10. A pair of folding and sliding secateurs, according to claim 1, wherein: the quantity of connecting rod is a plurality of, the pole seat with the one end of connecting rod all is provided with female head, the hand seat with the other end of connecting rod all is provided with public head, public head with female first bayonet card is hung and is connected and make inside multisection the transmission shaft carries out end to end cover income formula transmission and connects.