CN215188364U

CN215188364U - Pruning shears capable of saving labor and adjusting shearing diameter

Info

Publication number: CN215188364U
Application number: CN202120603010.XU
Authority: CN
Inventors: 程蓓
Original assignee: Anqing Cheery Electrical Co ltd
Current assignee: Anqing Cheery Electrical Co ltd
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2021-12-17
Anticipated expiration: 2031-03-23

Abstract

The utility model provides a laborsaving adjustable pruning scissors of cuting diameter, including first part and the second part of cross arrangement and pin joint each other, first part is including integrative curved sword portion, first switching portion and the first handle portion that sets up, and the second part is including integrative cutter portion, second switching portion and the second handle portion that sets up, curved sword portion and the laminating of cutter portion set up to through folding up each other in order to be used for cutting the object, the front end of first switching portion and second switching portion links together and can the rotation each other through the lock of shear axis bolt. The opening of the first handle part and the second handle part is controlled by the adjusting mechanism, when the first button is pressed, the first handle part and the second handle part can be prevented from opening to the maximum position each time under the action of the spring mechanism, and unnecessary fatigue of a user is avoided; when the second button is pressed, the increased angles of the bent cutter part and the cutter part can be increased for cutting thick branches.

Description

Pruning shears capable of saving labor and adjusting shearing diameter

Technical Field

The utility model relates to a pruning shear technical field specifically is a laborsaving adjustable pruning shear of cuting diameter.

Background

The pruning scissors are common handheld shearing tools and are generally used for shearing plastic strip-shaped products, trees, flower branches or textile wires and the like, the scissors have a long history, ancient people already use various scissors, and the structure of the scissors is greatly changed along with the development of the technology.

Scissors in the prior art mainly comprise: first part and the second part of cross arrangement, first part and second part hinged joint, first part and second part all include: cutting part and handheld portion, the juncture of cutting part and handheld portion is the pin joint of first part and second part, and the user inwards holds the portion of holding to drive the cutting part and fold, two the inboard that the cutting part is relative are provided with the cutting edge, through folding of cutting edge, realize the shearing to the material, wherein, pruning scissors is as one kind in the scissors, often used in vegetation pruning and gardens. However, the existing pruning shears have the following problems,

firstly, the hand-shaped glove is only suitable for people with medium-sized and small hands, and is not suitable for people with small hands or big hands;

secondly, the shearing is too laborious, and thick branches are continuously sheared;

third, long-time use, the user hand is very tired, and ordinary pruning scissors all have a spring, under normal use condition, can't control the opening size, all props the biggest with user's finger or palm by the spring at every turn, and at long-time cutting vegetation branch in-process, the extravagant action too much is opened and is held tightly to user's finger and palm round and back.

For solving the problem that the big and small hand types of the user are not suitable, the continuous thick branch is cut and the use is too tired, the application file provides a pruning scissors with labor-saving and adjustable shearing diameter.

SUMMERY OF THE UTILITY MODEL

The technical problem solved by the utility model is to provide a pruning shear with labor-saving and adjustable shearing diameter to solve the problem provided in the above background art.

The utility model provides a technical problem adopt following technical scheme to realize: a labor-saving pruning shear with an adjustable shearing diameter comprises a first component and a second component which are arranged in a crossed mode and pivoted with each other, wherein the first component comprises a bent cutter part, a first switching part and a first handle part which are arranged integrally, the second component comprises a cutter part, a second switching part and a second handle part which are arranged integrally, the bent cutter part and the cutter part are arranged in a fit mode and are used for cutting objects by being folded mutually, the front ends of the first switching part and the second switching part are locked together through a shear shaft bolt and can rotate mutually, and a spring mechanism is arranged on one side, far away from the shear shaft bolt, between the first switching part and the second switching part and used for keeping the opening state between the first component and the second component;

the adjusting mechanism comprises a first button and a second button which are positioned at two ends of the first transfer part, and a clamping part arranged between the first button and the second button, the clamping part is slidably arranged in the perforation groove, an arc-shaped hook plate is arranged at one side of the clamping part close to the first button, and an expansion groove is arranged at one side of the clamping part close to the second button; one side that first switching portion is located the perforation groove is equipped with the adjustment tank corresponding to cutter portion, and one side that cutter portion is located the adjustment tank is equipped with colludes type portion.

As a further aspect of the present invention: the joint portion sets up with first button an organic whole, and the second button passes through screw fixed mounting in one side that first button was kept away from in joint portion, is the stair nature structure between joint portion and first button and the second button respectively.

As a further aspect of the present invention: be equipped with the gear board in the joint portion, the gear board passes through regulating plate elasticity setting, and first switching portion corresponds the gear board and is equipped with the draw-in groove rather than the joint, and the draw-in groove is changed to the gear board under the dynamics that personnel pressed to keep adjustment mechanism at corresponding gear.

As a further aspect of the present invention: the spring mechanism comprises a spring cylinder, two ends of the spring cylinder are respectively and elastically connected with a first part and a second part through springs, positioning columns are respectively arranged on the first part and the second part, and the springs are sleeved at the outer ends of the positioning columns.

As a further aspect of the present invention: the first part and the second part are respectively provided with a cushioning pad at one side far away from the spring mechanism, and the cushioning pads on the first part and the second part are mutually matched.

As a further aspect of the present invention: the safety lock is arranged between the first component and the second component, the safety lock is rotatably arranged on the first component, the second component is provided with a first clamping body at a corresponding position of the safety lock, one side, away from the rotating position, of the safety lock is provided with a second clamping body, and the safety lock is rotated and is mutually hooked and clamped with the first clamping body through the second clamping body so that the cutter part and the cutter bending part are in a closed state.

As a further aspect of the present invention: the outer ends of the first switching part, the first handle part, the second switching part and the second handle part are fixedly sleeved with sheaths.

Compared with the prior art, the beneficial effects of the utility model are that: the adjusting mechanism adjusts the opening angles of the first handle part and the second handle part through the first button and the second button to adapt to the hand shapes of different people, when the first button is pressed, the first button pushes the clamping part to move towards the second button, the second button extends out of the perforation groove, the arc-shaped hook plate in the clamping part is blocked at the adjusting groove, the hook-shaped part at the upper end of the cutting part can abut against the arc-shaped hook plate to limit the opening angles of the cutting part and the bent cutting part, and therefore the opening angles of the first handle part and the second handle part are limited; when pressing the second button, the second button promotes joint portion and removes to first button direction, and the expansion groove and the adjustment tank intercommunication in the joint portion, the upper end of cutter portion rotate and get into the expansion inslot, make cutter portion bigger with the angle of opening of curved sword portion to be used for cutting thicker object, and be applicable to the great personnel of hand type. The opening of the first handle part and the second handle part is controlled by the adjusting mechanism, when the first button is pressed, the first handle part and the second handle part can be prevented from opening to the maximum position each time under the action of the spring mechanism, and unnecessary fatigue of a user is avoided; when the second button is pressed, the increased angles of the bent cutter part and the cutter part can be increased for cutting thick branches.

Drawings

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

fig. 2 is a schematic front view of the structure of the present invention;

fig. 3 is a schematic view of the back view structure of the present invention;

fig. 4 is a schematic view of the mounting structure of the adjusting mechanism of the present invention;

fig. 5 is a schematic perspective view of the adjusting mechanism of the present invention.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the specific drawings.

As shown in FIGS. 1-5,

the embodiment provides a pair of labor-saving pruning shears with adjustable shearing diameter, which comprises a first component 1 and a second component 2 which are arranged in a crossed mode and are pivoted with each other, wherein the first component 1 comprises a bent cutter part 11, a first switching part 12 and a first handle part 13 which are arranged integrally, the second component 2 comprises a cutter part 21, a second switching part 22 and a second handle part 23 which are arranged integrally, the bent cutter part 11 and the cutter part 21 are arranged in a joint mode and are used for cutting an object by being folded mutually, the front ends of the first switching part 12 and the second switching part 22 are locked together through a shear axis bolt 3 and can rotate mutually, and a spring mechanism 4 is arranged on one side, far away from the shear axis bolt 3, between the first switching part 12 and the second switching part 22 and used for keeping the opening state between the first component 1 and the second component 2; the adjusting mechanism 5 for controlling the opening angles of the first component 1 and the second component 2 is arranged on the first transfer part 12, a perforated groove is formed in the first transfer part 12 corresponding to the adjusting mechanism 5, the adjusting mechanism 5 comprises a first button 51 and a second button 52 which are positioned at two ends of the first transfer part 12, and a clamping part 53 arranged between the first button 51 and the second button 52, the clamping part 53 is slidably installed in the perforated groove, an arc-shaped hook plate 531 is arranged on one side, close to the first button 51, of the clamping part 53, and an expansion groove 532 is arranged on one side, close to the second button 52, of the clamping part 53; the first transfer portion 12 is provided with an adjusting groove 121 corresponding to the cutter portion 21 at one side of the perforation groove, and a hook portion 211 is provided at one side of the cutter portion 21 at the adjusting groove 121.

Specifically, the first handle portion 13 and the second handle portion 23 are in an open state by the spring mechanism 4, and a person presses the first handle portion 13 and the second handle portion 23 to draw the curved blade portion 11 and the cutting blade portion 21 together to cut the object. The adjusting mechanism 5 adjusts the opening angles of the first handle part 13 and the second handle part 23 through the first button 51 and the second button 52 to adapt to the hand shapes of different people, when the first button 51 is pressed, the first button 51 pushes the clamping part 53 to move towards the second button 52, the second button 52 extends out of the perforated groove, the arc-shaped hook plate 531 in the clamping part 53 is blocked at the adjusting groove 121, the hook-shaped part 211 at the upper end of the cutter part 21 can abut against the arc-shaped hook plate 531 to limit the opening angle of the cutter part 21 and the curved cutter part 11, and therefore the opening angles of the first handle part 13 and the second handle part 23 are limited; when the second button 52 is pressed, the second button 52 pushes the clamping portion 53 to move towards the first button 51, the expansion groove 532 in the clamping portion 53 is communicated with the adjusting groove 121, the upper end of the cutter portion 21 rotates into the expansion groove 532, and the opening angle between the cutter portion 21 and the bent cutter portion 11 is larger, so that the cutter portion is used for cutting thicker objects and is suitable for people with larger hand types.

In this embodiment, the clamping portion 53 and the first button 51 are integrally disposed, the second button 52 is fixedly mounted on one side of the clamping portion 53 away from the first button 51 through screws, and the clamping portion 53 and the first button 51 and the second button 52 are respectively in a step structure, so as to prevent the adjusting mechanism 5 from being separated from the perforated slot. Be equipped with gear board 533 on joint portion 53, gear board 533 sets up through regulating plate elasticity, and first switching portion 12 corresponds gear board 533 and is equipped with the draw-in groove rather than the joint, and gear board 533 changes the draw-in groove under the dynamics that personnel pressed to keep adjustment mechanism 5 at corresponding gear.

In this embodiment, the spring mechanism 4 includes a spring cylinder, two ends of the spring cylinder are respectively elastically connected with the first component 1 and the second component 2 through springs, the first component 1 and the second component 2 are respectively provided with positioning columns, and the springs are sleeved at outer ends of the positioning columns. The side that spring mechanism 4 was kept away from to first part 1 and second part 2 is equipped with the bradyseism pad 6 respectively, and bradyseism pad 6 on first part 1 and the second part 2 mutually supports the setting to the angle that first part 1 and second part 2 folded is restricted, prevents excessive pressure.

In this embodiment, a safety lock 7 is arranged between the first component 1 and the second component 2, the safety lock 7 is rotatably arranged on the first component 1, a first clamping body is arranged at a corresponding position of the second component 2, which is located at the safety lock 7, a second clamping body is arranged at one side of the safety lock 7, which is far away from the rotating position, and the safety lock 7 rotates and is mutually hooked and clamped with the first clamping body through the second clamping body, so that the cutter unit 21 and the bent cutter unit 11 are in a closed state, and the safety of the device placement is improved.

In this embodiment, the outer ends of the first adaptor portion 12, the first handle portion 13, the second adaptor portion 22 and the second handle portion 23 are fixedly sleeved with a sheath.

The proportion of the tip from the shear axis bolt to the cutting part and the proportion of the shear axis bolt to the tail end of the handle in the pruning shears is about 1:3, and by utilizing the lever principle, the design of the proportion realizes the characteristic of no labor consumption in shearing the 20mm thick and live branches, thereby achieving the purposes of labor saving and comfort. The first part is big with the second part head, and the afterbody is thin characteristics, and when the first part was rotatory, thereby the hand can not realize that the hand grips all the time in the end of first part and second part to first cutting portion and second cutting portion slip, has realized more laborsaving and comfortable.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a laborsaving adjustable pruning scissors of cuting diameter, includes first part and the second part that alternately sets up and pin joint each other, first part is including integrative curved sword portion, first switching portion and the first handle portion that sets up, and the second part is including integrative cutter portion, second switching portion and the second handle portion that sets up, curved sword portion and the laminating of cutter portion set up to in order to be used for cutting the object through folding each other, the front end of first switching portion and second switching portion links together and can rotate each other through the lock of shear axis bolt, its characterized in that: a spring mechanism is arranged on one side, far away from the shear shaft bolt, between the first switching part and the second switching part, so as to keep the opening state between the first component and the second component;

2. A pair of labor-saving pruning shears with adjustable shearing diameter as claimed in claim 1, wherein: the joint portion sets up with first button an organic whole, and the second button passes through screw fixed mounting in one side that first button was kept away from in joint portion, is the stair nature structure between joint portion and first button and the second button respectively.

3. A pair of labor-saving pruning shears with adjustable shearing diameter as claimed in claim 2, wherein: be equipped with the gear board in the joint portion, the gear board passes through regulating plate elasticity setting, and first switching portion corresponds the gear board and is equipped with the draw-in groove rather than the joint, and the draw-in groove is changed to the gear board under the dynamics that personnel pressed to keep adjustment mechanism at corresponding gear.

4. A pair of labor-saving pruning shears with adjustable shearing diameter as claimed in claim 1, wherein: the spring mechanism comprises a spring cylinder, two ends of the spring cylinder are respectively and elastically connected with a first part and a second part through springs, positioning columns are respectively arranged on the first part and the second part, and the springs are sleeved at the outer ends of the positioning columns.

5. A pair of labor-saving pruning shears with adjustable shearing diameter as claimed in claim 4, wherein: the first part and the second part are respectively provided with a cushioning pad at one side far away from the spring mechanism, and the cushioning pads on the first part and the second part are mutually matched.

6. A pair of labor-saving pruning shears with adjustable shearing diameter as claimed in claim 1, wherein: the safety lock is arranged between the first component and the second component, the safety lock is rotatably arranged on the first component, the second component is provided with a first clamping body at a corresponding position of the safety lock, one side, away from the rotating position, of the safety lock is provided with a second clamping body, and the safety lock is rotated and is mutually hooked and clamped with the first clamping body through the second clamping body so that the cutter part and the cutter bending part are in a closed state.

7. A pair of labor-saving pruning shears with adjustable shearing diameter as claimed in claim 1, wherein: the outer ends of the first switching part, the first handle part, the second switching part and the second handle part are fixedly sleeved with sheaths.