Gardening shears capable of rapidly replacing tool bits

Abstract

The utility model discloses a pair of gardening shears capable of quickly replacing cutter heads, and relates to the technical field of gardening shears. The pair of scissors comprises a scissor head and a cutting nipper rod symmetrically arranged under the scissor head, and further comprises a connecting sleeve fixedly connected to the upper end face of the cutting nipper rod, a mounting column is arranged in the connecting sleeve, a sinking groove body is formed in the outer wall of the connecting sleeve, a limiting assembly is arranged in the sinking groove body, and the limiting assembly is fixedly connected to the lower end face of the cutting nipper rod. The plug pin column can be driven to move left and right in the limiting groove body in the linear direction of the limiting groove body by pressing the pressing handle, and then the plug pin column can drive the clamping block to move left and right in the mounting cylinder body. The arranged spring can generate certain acting force on the clamping block so that the clamping block can be tightly inserted into the limiting hole, the limiting tightness of the scissor head under the normal use condition is kept, the scissor head can be rapidly replaced when different scissor heads need to be replaced, and the trimming efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of gardening scissors, in particular to a pair of gardening scissors with quickly replaceable cutter heads. Background Art

[0002] Gardening scissors are widely used in the pruning of branches, leaves and flower diameters in the fields of agriculture and gardening. They can adapt to the pruning of branches, leaves and flower diameters of different thicknesses. The handle of gardening scissors is longer and the blade is shorter, so that harder branches can be cut with less effort.

[0003] Gardening scissors need to use scissor heads of different shapes when facing pruning operations with different needs. Most of the existing gardening scissors are integrated, and the scissor heads are not convenient to replace quickly. However, it is not conducive to pruning operations for pruners to carry multiple gardening scissors, which makes pruning time-consuming and labor-intensive, and also affects the subsequent pruning efficiency. Therefore, we propose a pair of gardening scissors with quickly replaceable heads to solve this problem. Utility Model Content

[0004] In view of the above-mentioned shortcomings of the prior art, the utility model provides a pair of gardening shears with quickly replaceable blade heads, which can effectively solve the problems of the prior art.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a pair of gardening scissors with quickly replaceable blade heads, comprising a scissor blade head and a pliers rod symmetrically arranged directly below the scissor blade head, and further comprising:

[0007] The connecting sleeve is fixedly connected to the upper end surface of the shearing pliers rod, a mounting column is arranged inside the connecting sleeve, and the center position of the upper end surface of the mounting column is fixedly connected to the scissors head;

[0008] The sinking tank body is provided on the outer wall of the connecting sleeve, and a limiting component for limiting the mounting column is arranged inside the sinking tank body;

[0009] A limiting hole is provided on the outer side of the outer wall of the mounting column and is used to cooperate with the limiting component to limit the mounting column;

[0010] The outer sleeve of the shearing pliers rod is provided with a rubber protective sleeve, and the inner side of the rubber protective sleeve is provided with a telescopic adjustment mechanism.

[0011] Furthermore, limiting protrusions are fixedly disposed on the circumference of the outer wall of the mounting column, arc-shaped sliding grooves are disposed on the circumference of the inner wall of the connecting sleeve, and the limiting protrusions can be slidably engaged in the interior of the arc-shaped sliding grooves.

[0012] Furthermore, the limiting assembly includes an installation cylinder, a pressing handle, a limiting groove, a latch column and a clamping block. The installation cylinder is fixed to the inner upper end surface of the sinking groove, the clamping block is slidably clamped in the interior of the installation cylinder, and one end of the clamping block extends toward the interior of the connecting sleeve. The limiting groove is opened on the outer wall of the installation cylinder, and the limiting groove passes through the interior of the installation cylinder, the latch column is penetrated into the interior of the clamping block, and the latch column passes through the interior of the limiting groove.

[0013] Furthermore, both ends of the latch column are rotatably connected with a pressing handle, and the pressing handle is located inside the sinking trough body.

[0014] Furthermore, a spring is arranged inside the installation cylinder, and the upper end surface of the spring contacts the inner upper end of the installation cylinder, and the lower end surface of the spring contacts the upper end surface of the clamping block.

[0015] Furthermore, the telescopic adjustment mechanism includes an adjustment handle, a positioning card and a screw rod body. The adjustment handle is rotatably connected to the inner side of the rubber protective cover, the positioning card is fixed to the outer surface of the adjustment handle, and the cross-section of the positioning card is a "T"-shaped structure, and is rotatably clamped to the inner side of the rubber protective cover. The screw rod body is fixed at the central position of the inner wall of the adjustment handle, and the screw rod body is threadedly connected to the inner center of the shear rod.

[0016] Furthermore, the outer wall of the rubber protective sleeve is provided with anti-slip textures.

[0017] The utility model has the following beneficial effects:

[0018] 1. When the pruning personnel of the utility model need to replace the scissors heads, the mounting columns of another set of scissors heads can be quickly plugged into the interior of the arc-shaped slide groove through the limiting protrusions. At the same time, multiple sets of arc-shaped slide grooves and limiting protrusions match each other, which can ensure the accuracy of the corresponding direction of the pliers rod when installing the scissors heads, and facilitate the subsequent rapid replacement of the scissors heads.

[0019] 2. The utility model can drive the latch column to move left and right along the linear direction of the limited groove body inside the groove body by pressing the pressing handle, and then the latch column can drive the clamping block to move left and right inside the installation cylinder. After the installation column is inserted into the interior of the connecting sleeve, the provided spring can generate a certain force on the clamping block so that the clamping block is tightly inserted into the interior of the limited hole, thereby maintaining the tightness of the scissors blade under normal use. When different scissors blades need to be replaced, they can be quickly replaced to improve the trimming efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 It is a top view schematic diagram of the gardening shears with quickly replaceable blade heads according to the utility model;

[0022] Figure 2 This is a new schematic diagram of the practical connecting sleeve viewed from above;

[0023] Figure 3 This is a new schematic diagram of the practical installation column from top view;

[0024] Figure 4 It is a schematic cross-sectional view of the gardening shears with quickly replaceable blade heads according to the utility model;

[0025] Figure 5 For this utility model Figure 2 A partial enlarged schematic diagram in the middle;

[0026] Figure 6 For this utility model Figure 4 A partial enlarged schematic diagram of point B in the middle.

[0027] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0028] 1. Scissors blade; 2. Pliers rod; 3. Mounting column; 4. Connecting sleeve; 5. Limiting hole; 6. Limiting convex block; 7. Arc-shaped slide groove; 8. Sinking trough body; 9. Mounting cylinder body; 10. Pressing handle; 11. Limiting trough body; 12. Latch column; 13. Snap-in block; 14. Spring; 15. Rubber protective cover; 16. Adjusting handle; 17. Positioning card; 18. Screw body. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0030] See also Figure 1-6 As shown, the utility model is a gardening scissors with a quickly replaceable blade head, comprising a scissors blade head 1 and a pliers rod 2 symmetrically arranged directly below the scissors blade head 1, and further comprising: the scissors blade head 1 is rotatably connected by two sets of scissors blades through a hinge arranged in the middle position thereof, so as to perform shearing when pruning tree branches and leaves, and the pliers rod 2 can be repeatedly pulled manually to realize the quick opening and closing of the scissors blade head 1;

[0031] The connecting sleeve 4 is fixedly connected to the upper end surface of the pliers rod 2, and a mounting column 3 is arranged inside the connecting sleeve 4, and the central position of the upper end surface of the mounting column 3 is fixedly connected to the scissors blade head 1. The connecting sleeve 4 can quickly replace and install the scissors blade head 1 by limiting the mounting column 3. The outer wall of the mounting column 3 is fixed with limiting protrusions 6 distributed around the circumference, and the inner wall of the connecting sleeve 4 is provided with arc-shaped sliding grooves 7 distributed around the circumference, and the limiting protrusions 6 can be slidably engaged in the inside of the arc-shaped sliding grooves 7. The limiting protrusions 6 can slide inside the arc-shaped sliding grooves 7 along the linear direction of the arc-shaped sliding grooves 7. When the pruning personnel need to replace the scissors blade heads 1, the mounting columns 3 of another group of scissors blade heads 1 can be quickly plugged into the inside of the arc-shaped sliding grooves 7 through the limiting protrusions 6. At the same time, multiple groups of arc-shaped sliding grooves 7 match each other, which can ensure the accuracy of the corresponding direction of the pliers rod 2 when the scissors blade heads 1 are installed, and it is convenient for the subsequent rapid replacement of the scissors blade heads 1.

[0032] The sinking trough 8 is provided on the outer wall of the connecting sleeve 4. A limiting component for limiting the mounting column 3 is arranged inside the sinking trough 8. The limiting component includes a mounting cylinder 9, a pressing handle 10, a limiting trough 11, a latch column 12 and a clamping block 13. The mounting cylinder 9 is fixed to the inner upper end surface of the sinking trough 8. The clamping block 13 is slidably clamped inside the mounting cylinder 9, and one end of the clamping block 13 extends toward the inside of the connecting sleeve 4. The mounting cylinder 9 can limit the clamping block 13. The limiting groove 11 is opened on the outer wall of the installation cylinder 9, and the limiting groove 11 passes through the interior of the installation cylinder 9. The latch column 12 is inserted into the interior of the clamping block 13, and the latch column 12 passes through the interior of the limiting groove 11. The limiting groove 11 can limit the latch column 12, and then the clamping block 13 can be limited by limiting the latch column 12, so that the clamping block 13 can be prevented from falling into the interior of the connecting sleeve 4. The two ends of the latch column 12 are rotatably connected with a pressing handle 10, and the pressing handle The hand 10 is located inside the sinking groove 8. The sinking groove 8 provided can limit the pressing handle 10 and prevent the pressing handle 10 from rotating. By pressing the pressing handle 10, the latch column 12 can be driven to move left and right inside the limiting groove 11 along the linear direction of the limiting groove 11, and then the latch column 12 can drive the clamping block 13 to move left and right inside the mounting cylinder 9. The limiting hole 5 is opened on the outer side of the outer wall of the mounting column 3, and the latch column 12 can be inserted into the limiting hole 5, thereby limiting the mounting column 3. A spring 14 is provided inside the mounting cylinder 9, and the upper end surface of the spring 14 contacts the upper end of the interior of the mounting cylinder 9, and the lower end surface of the spring 14 contacts the upper end surface of the clamping block 13. The spring 14 provided can generate a certain force on the clamping block 13 so that the clamping block 13 is tightly inserted into the limiting hole 5, thereby maintaining the tightness of the scissors blade head 1 under normal use. When different scissors blade heads 1 need to be replaced, they can be quickly replaced, thereby improving the applicability of the product.

[0033] The outer sleeve of the pliers rod 2 is provided with a rubber protective sleeve 15, and a telescopic adjustment mechanism is provided on the inner side of the rubber protective sleeve 15. The outer wall of the rubber protective sleeve 15 is provided with anti-skid patterns. The rubber protective sleeve 15 can increase the grip feel during manual use and prevent the hand from slipping, which affects the safety of its use. The telescopic adjustment mechanism includes an adjustment handle 16, a positioning clamp 17 and a screw rod body 18. The adjustment handle 16 is rotatably connected to the inner side of the rubber protective sleeve 15, and the positioning clamp 17 is fixed to the outer surface of the adjustment handle 16. The cross section of the positioning clamp 17 is a "T"-shaped structure, and is rotatably clamped on the rubber protective sleeve 15. On the inside, the screw rod body 18 is fixed at the central position of the inner wall of the adjusting handle 16, and the screw rod body 18 is threadedly connected to the inner center of the shear rod 2. The adjusting handle 16 can be rotated and adjusted. Since the positioning clamp 17 on the outside of the adjusting handle 16 can be engaged with the rubber protective sleeve 15, the adjusting handle 16 can be rotated at multiple angles. At the same time, the screw rod body 18 in the center of the adjusting handle 16 can be threadedly connected to the shear rod 2, so that the length of the shear rod 2 and the adjusting handle 16 can be adjusted, and the screw rod body 18 can strengthen the connection between the rubber protective sleeve 15 and the shear rod 2 for subsequent processing.

[0034] Working principle: First, the scissors blade head 1 is connected by two sets of scissors blades through a hinge set in the middle position, so as to cut when pruning tree branches and leaves. The scissors blade head 1 can be quickly opened and closed by manually pulling the pliers rod 2 repeatedly. The outer sleeve of the pliers rod 2 is provided with a rubber protective sleeve 15, and the outer wall of the rubber protective sleeve 15 is provided with anti-skid patterns. The rubber protective sleeve 15 can increase the grip feel during manual use and prevent the hand from slipping, which affects the safety of its use.

[0035] When the pruning personnel need to replace the scissors blade head 1, they can quickly insert the mounting column 3 of another set of scissors blade heads 1 into the arc-shaped slide groove 7 through the limiting protrusion 6. At the same time, the multiple sets of arc-shaped slide grooves 7 and the limiting protrusion 6 match each other, which can ensure the accuracy of the corresponding direction of the pliers rod 2 when installing the scissors blade heads 1, and facilitate the subsequent rapid replacement of the scissors blade heads 1.

[0036] At the same time, by pressing the pressing handle 10, the latch column 12 can be driven to move left and right inside the limited groove 11 along the linear direction thereof, and then the latch column 12 can drive the clamping block 13 to move left and right inside the mounting cylinder 9. After the mounting column 3 is inserted into the connecting sleeve 4, the provided spring 14 can exert a certain force on the clamping block 13 so that the clamping block 13 is tightly inserted into the limited hole 5, thereby maintaining the tightness of the scissors blade head 1 under normal use, and can be quickly replaced when a different scissors blade head 1 needs to be replaced, thereby improving the trimming efficiency.

[0037] The above are only preferred embodiments of the present invention and do not limit the present invention. Any modification to the technical solutions recorded in the aforementioned embodiments and any equivalent replacement of some of the technical features therein, any modification, equivalent replacement, and improvement made are all within the protection scope of the present invention.

Claims

1. A gardening scissors with a quickly replaceable blade head, comprising a scissors blade head (1) and a shear rod (2) symmetrically arranged directly below the scissors blade head (1), characterized in that: Also includes: A connecting sleeve (4) is fixedly connected to the upper end surface of the pliers rod (2); a mounting column (3) is provided inside the connecting sleeve (4); and the center position of the upper end surface of the mounting column (3) is fixedly connected to the scissors head (1); A sinking trough body (8) is provided on the outer wall of the connecting sleeve (4), and a limiting component for limiting the mounting column (3) is arranged inside the sinking trough body (8); A limiting hole (5) is provided on the outer side of the outer wall of the mounting column (3) and is used to cooperate with the limiting component to limit the mounting column (3); The outer sleeve of the shearing pliers rod (2) is provided with a rubber protective sleeve (15), and the inner side of the rubber protective sleeve (15) is provided with a telescopic adjustment mechanism.

2. A gardening scissors with a quick-change blade head according to claim 1, characterized in that: The outer wall of the mounting column (3) is fixed with limiting protrusions (6) distributed around the circumference, and the inner wall of the connecting sleeve (4) is provided with arc-shaped sliding grooves (7) distributed around the circumference, and the limiting protrusions (6) can be slidably engaged in the interior of the arc-shaped sliding grooves (7).

3. The gardening shears with quickly replaceable blade heads according to claim 1, characterized in that: The limiting assembly comprises a mounting cylinder (9), a limiting groove (11), a latch post (12) and a clamping block (13); the mounting cylinder (9) is fixed to the inner upper end surface of the sinking groove (8); the clamping block (13) is slidably clamped in the interior of the mounting cylinder (9), and one end of the clamping block (13) extends toward the interior of the connecting sleeve (4); the limiting groove (11) is provided on the outer wall of the mounting cylinder (9), and the limiting groove (11) passes through the interior of the mounting cylinder (9); the latch post (12) is inserted into the interior of the clamping block (13), and the latch post (12) passes through the interior of the limiting groove (11).

4. The gardening shears with quickly replaceable blade heads according to claim 3, characterized in that: The two ends of the latch column (12) are rotatably connected to a pressing handle (10), and the pressing handle (10) is located inside the sinking tank body (8).

5. The gardening shears with quickly replaceable blade heads according to claim 3, characterized in that: A spring (14) is arranged inside the installation cylinder (9), and the upper end surface of the spring (14) contacts the upper end of the interior of the installation cylinder (9), and the lower end surface of the spring (14) contacts the upper end surface of the clamping block (13).

6. The gardening shears with quickly replaceable blade heads according to claim 1, characterized in that: The telescopic adjustment mechanism comprises an adjustment handle (16), a positioning clamp (17) and a screw rod body (18); the adjustment handle (16) is rotatably connected to the inner side of the rubber protective sleeve (15); the positioning clamp (17) is fixed to the outer surface of the adjustment handle (16); the cross section of the positioning clamp (17) is a "T"-shaped structure and is rotatably clamped to the inner side of the rubber protective sleeve (15); the screw rod body (18) is fixed to the central position of the inner wall of the adjustment handle (16), and the screw rod body (18) is threadedly connected to the inner center of the shear rod (2).

7. The gardening shears with quickly replaceable blade heads according to claim 6, characterized in that: The outer wall of the rubber protective sleeve (15) is provided with anti-slip patterns.

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