Pneumatic transmission pruner with suspension buffer

Abstract

The application discloses a kind of air pressure transmission branch pruners with suspension buffering, including frame, the frame is connected with the pruning adjustment member for suspension buffering, the pruning adjustment member includes: pneumatic element, installation in frame right side for providing power for pruning, the pneumatic element includes two groups of symmetrical installation in frame inside telescopic arm, shell is installed in frame inside right end, suction assembly is installed in frame outer end right side, the suction assembly includes micro vacuum pump, the application relates to pneumatic branch pruner technical field.The air pressure transmission branch pruners with suspension buffering, let sleeve, piston rod, piston, shell, micro vacuum pump, bifurcation pipe, hand valve, bidirectional screw rod, two groups of limit frame, sliding block, positioning block cooperate with each other, with suspension buffering and pneumatic transmission function for scissors, so that scissors can pneumatic pruning, can also be manually used after being removed, facilitate scissors quick replacement, improve the adaptability of device.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pneumatic pruning shears, in particular to a pneumatic pruning shear with suspension and buffering. BACKGROUND

[0002] Pruning shears, also known as pruning shears and trimming shears, are garden, flower and gardening tools, mainly used for pruning, trimming diseased and insect-infested branches, and maintaining tree appearance. Generally, they are composed of a handle, a blade, and a spring. Referring to the Y-shaped grapevine branch pruning device disclosed in CN212278972U, a movable base is fixedly provided with a machine box, and a mechanical arm module is fixedly provided on the machine box, which helps to save energy.

[0003] As described in the above patent, the existing pruning shears often have insufficient spring force during pruning. It is laborious to prune branches with high hardness or toughness, and there are problems of insufficient spring force and laborious pruning. Moreover, most pruning shears cannot switch between pneumatic and manual pruning, and it is difficult to replace different pruning shears, affecting the adaptability and pruning efficiency of the device. SUMMARY

[0004] To overcome the shortcomings of the prior art, the present application provides a pneumatic pruning shear with suspension and buffering, which solves the problems of single operation mode, difficulty in replacement, and low pruning efficiency.

[0005] To achieve the above purpose, the present application realizes the following technical scheme: a pneumatic pruning shear with suspension and buffering, comprising a frame, the frame is connected with a pruning adjustment member for suspension and buffering, the pruning adjustment member comprises:

[0006] A pneumatic member is installed on the right side of the frame to provide power for pruning. The pneumatic member includes two groups of symmetrical telescopic arms installed inside the frame. A housing is rotatably connected to the telescopic arms at the right end of the inside of the frame. An air extraction assembly is installed on the right outer end of the frame for vacuum extraction in the housing. The air extraction assembly includes a micro vacuum pump fixedly connected to the frame. The micro vacuum pump is fixedly connected to a bifurcated pipe connected to the housing at the air extraction end. An exhaust pipe is installed at the exhaust end of the micro vacuum pump. A jet block is fixedly connected to the exhaust pipe at the right side of the frame. A manual valve is installed at the middle of the right side of the housing. A filter screen is installed at the right side of the manual valve near the jet block.

[0007] The shearing piece is installed on the left side of the frame body and used for shearing branches, the shearing piece comprises a bidirectional screw rod which is rotationally connected to the upper end of the left side of the frame body, a limiting frame which is slidably connected to the inner side of the frame body is threadedly connected to the two sides of the bidirectional screw rod, two groups of sliding blocks are slidably connected in the two groups of limiting frames, a positioning block is installed on the sliding block close to the middle part of the frame body, a cross shaft which is slidably connected with the positioning block is rotationally connected to the elongated end of the two groups of telescopic arms, and scissors are clamped in the two groups of positioning blocks.

[0008] Preferably, the branch shearing adjusting piece further comprises a handle installed on the right side of the frame body, the handle is located on the outer side of the pneumatic piece, and a sponge sleeve is arranged on the surface of the handle.

[0009] Preferably, the telescopic arm comprises a sleeve which is rotationally connected to the inner side of the frame body, the sleeve is rotationally connected to the shell and communicates with the shell, a piston is slidably connected to the inner side of the sleeve, the piston is fixedly connected with a piston rod which is slidably connected with the sleeve, and the end, away from the piston, of the piston rod is rotationally connected with the side end of the cross shaft.

[0010] Preferably, the pneumatic piece further comprises two groups of activated carbon nets arranged on the inner side of the shell, the bifurcated pipe is fixedly connected with the shell and communicates with the shell, a plurality of air injection holes are arranged on the end, close to the filter net, of the air injection block, the inner end of the air injection block is hollow and communicates with the exhaust pipe and the air injection holes respectively.

[0011] Preferably, a pushing block is installed on the front side of the bidirectional screw rod close to the outer end of the frame body, and a locking nut is threadedly connected to the rear side of the bidirectional screw rod close to the outer end of the frame body.

[0012] Preferably, an arc-shaped sliding groove is arranged on the inner side of the limiting frame, and a protruding block is arranged on the surface of the sliding block and attached to the front side and the rear side of the limiting frame.

[0013] Preferably, the positioning block comprises a mounting block which is fixedly connected with the sliding block, a limiting groove which is clamped with the handle end of the scissors is arranged in the mounting block, and a cross groove which is slidably connected with the cross shaft is arranged on the right side of the mounting block.

[0014] Preferably, a sliding rod is arranged on the lower left end of the inner side of the frame body, the frame body is slidably connected with the two groups of limiting frames through the sliding rod, and the bidirectional screw rod and the sliding rod are both made of stainless steel.

[0015] Beneficial effects

[0016] The application provides a branch shear with air pressure transmission and suspension buffering.

[0017] (1), the air pressure transmission pruner with suspension and buffering, by setting pneumatic parts and shearing parts in the device, the sleeve, piston rod, piston, shell, micro vacuum pump, bifurcated pipe, hand valve, bidirectional screw rod, two sets of limiting frame, slider and positioning block cooperate with each other, have the function of providing suspension and buffering for scissors and pneumatic transmission, so that the scissors can be pneumatic pruning, also can be taken off and used manually, convenient for quick replacement of scissors, improve the adaptability of the device, at the same time, solve the problem of insufficient force of traditional pruner spring and pruning labor, improve the work efficiency.

[0018] (2), the air pressure transmission pruner with suspension and buffering, by setting filter screen and air jet block in the device, during the air ventilation process of opening the hand valve, the filter screen filters the impurities in the flowing gas, and during the vacuum process of closing the hand valve and the micro vacuum pump, the gas at the exhaust end of the micro vacuum pump blows the surface of the filter screen through the exhaust pipe and the air jet block, which promotes the detachment of the impurities attached to the surface of the filter screen, prevents the introduction of external impurities into the pneumatic parts, and plays a role in preventing blockage at the filtering end, reducing the subsequent processing steps.

[0019] (3), the air pressure transmission pruner with suspension and buffering, by setting positioning block in the device, the limiting groove in the mounting block is convenient for accurate positioning of the scissors handle end during the positioning of the scissors, improves the anti-drop effect, and the cross slot, cross shaft and pneumatic parts cooperate, which does not affect the positioning of the mounting block and limiting groove to the handle end of the scissors, at the same time, has the function of adjusting the position of the mounting block, which is helpful for subsequent pneumatic pruning. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the front view of the present application;

[0021] Figure 2 is the side view of the present application;

[0022] Figure 3 is the present application Figure 1 is the local enlarged view of A in the present application;

[0023] Figure 4 is the enlarged view of the air extraction assembly of the present application;

[0024] Figure 5 is the local enlarged view of the positioning block of the present application;

[0025] Figure 6 is the front view of the present application;

[0026] Figure 7 is the sectional enlarged view of the telescopic arm of the present application.

[0027] In the figure: 1, frame; 2, handle; 3, pneumatic part; 31, telescopic arm; 311, sleeve; 312, piston rod; 313, piston; 32, shell; 33, air extraction assembly; 331, micro vacuum pump; 332, bifurcated pipe; 333, exhaust pipe; 334, jet block; 34, activated carbon screen; 35, manual valve; 36, filter screen; 4, shearing part; 41, bidirectional screw; 42, limiting frame; 43, sliding block; 44, positioning block; 441, mounting block; 442, limiting groove; 443, cross slot; 45, cross shaft; 46, scissors. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0029] Referring to Figures 1-7 The present application provides the following three technical solutions:

[0030] The first embodiment: a pneumatic transmission pruning shear with suspension buffering, comprising a frame 1, the frame 1 is connected with a pruning adjustment part for suspension buffering, the pruning adjustment part comprises: a pneumatic part 3, installed on the right side of the frame 1 for providing power for pruning, the pneumatic part 3 comprises two groups of symmetrical telescopic arms 31 installed inside the frame 1, a shell 32 is installed at the right end inside the frame 1 and rotationally connected with the telescopic arms 31, an air extraction assembly 33 is installed at the right outer end of the frame 1 for vacuumizing inside the shell 32, the air extraction assembly 33 comprises a micro vacuum pump 331 fixedly connected with the frame 1, a bifurcated pipe 332 is fixedly connected with the shell 32 at the suction end of the micro vacuum pump 331, an exhaust pipe 333 is installed at the exhaust end of the micro vacuum pump 331, a jet block 334 is fixedly connected with the exhaust pipe 333 at the right side of the frame 1, a manual valve 35 is installed at the right side of the shell 32, a filter screen 36 is installed at the right side of the manual valve 35 close to the jet block 334;

[0031] The shearing part 4 is installed on the left side of the frame body 1 for pruning, and the shearing part 4 comprises a two-way screw rod 41 rotatably connected to the left upper end of the frame body 1, a limiting frame 42 slidably connected to the inner side of the frame body 1 is threadedly connected to the two sides of the two-way screw rod 41, two sliding blocks 43 are slidably connected in the two groups of limiting frames 42, a positioning block 44 is installed on the sliding block 43 close to the middle of the frame body 1, a cross shaft 45 slidably connected with the positioning block 44 is rotatably connected to the elongated end of the two groups of telescopic arms 31, and a pair of scissors 46 is clamped in the two groups of positioning blocks 44; the pruning adjusting part further comprises a handle 2 installed on the right side of the frame body 1, the handle 2 is located on the outer side of the pneumatic part 3, and the surface of the handle 2 is provided with a sponge cover; the telescopic arm 31 comprises a sleeve 311 rotatably connected to the inner side of the frame body 1, the sleeve 311 is rotatably connected with the shell 32 and communicates with the shell 32, a piston 313 is slidably connected to the inner side of the sleeve 311, the piston 313 is fixedly connected with a piston rod 312 slidably connected with the sleeve 311, and the piston rod 312 is rotatably connected with the side end of the cross shaft 45 away from the piston 313;

[0032] A sliding rod is arranged at the lower left end of the inner side of the frame body 1, and the frame body 1 is slidably connected with the two groups of limiting frames 42 through the sliding rod; the two-way screw rod 41 and the sliding rod are both made of stainless steel; a pushing block is installed on the front side of the two-way screw rod 41 close to the outer end of the frame body 1, and a locking nut is threadedly connected to the rear side of the two-way screw rod 41 close to the outer end of the frame body 1; an arc-shaped sliding groove is arranged on the inner side of the limiting frame 42, and a protrusion is arranged on the surface of the sliding block 43 and abuts against the front side and the rear side of the limiting frame 42, so that the sliding block 43 is limited and slidably connected in the limiting frame 42; the sleeve 311, the piston rod 312, the piston 313, the shell 32, the miniature vacuum pump 331, the bifurcated pipe 332, the hand valve 35, the two-way screw rod 41, the two groups of limiting frames 42, the sliding block 43 and the positioning block 44 are matched with each other, so as to provide the function of providing suspension buffering and pneumatic transmission for the scissors 46, so that the scissors 46 can be used for pruning by pneumatic transmission or manually, and the adaptability of the device is improved;

[0033] The second embodiment is mainly different from the first embodiment in that:

[0034] The pneumatic part 3 further comprises two groups of active carbon screens 34 arranged on the inner side of the shell 32, the bifurcated pipe 332 is fixedly connected with the shell 32 and communicates with the shell 32, a plurality of air injection holes are arranged on the end of the air injection block 334 close to the filter screen 36, the inner end of the air injection block 334 is hollow and communicates with the exhaust pipe 333 and the air injection holes respectively; in the process of opening the air through the hand valve 35, the filter screen 36 filters the impurities in the flowing gas, and in the process of closing the hand valve 35 and vacuumizing the shell 32 by the miniature vacuum pump 331, the gas at the exhaust end of the miniature vacuum pump 331 is blown against the surface of the filter screen 36 through the exhaust pipe 333 and the air injection block 334, so as to promote the impurities attached to the surface of the filter screen 36 to fall off;

[0035] The third embodiment is mainly different from the second embodiment in that:

[0036] The positioning block 44 comprises a mounting block 441 fixedly connected with the sliding block 43, the mounting block 441 is provided with a limiting groove 442 clamped with the handle end of the scissors 46, and the right side of the mounting block 441 is provided with a cross groove 443 in sliding connection with the cross shaft 45; the limiting groove 442 in the mounting block 441 is convenient for accurately limiting the handle end of the scissors during positioning of the scissors, thereby improving the anti-falling effect, and the cross groove 443 cooperates with the cross shaft 45 and the pneumatic element 3, so that the positioning of the handle end of the scissors 46 by the mounting block 441 and the limiting groove 442 is not affected, and the adjustment function of the position of the mounting block 441 is achieved.

[0037] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

[0038] In use, the user moves the handle end of the scissors 46 between the two groups of positioning blocks 44, rotates the bidirectional screw rod 41 through the knob, and drives the two groups of limiting frames 42 to move towards the handle end of the scissors 46; at this time, the limiting frame 42 drives the sliding block 43 and the positioning block 44 to move, and the cross groove 443 in the mounting block 441 in the positioning block 44 slides along the cross shaft 45; after the limiting groove 442 in the mounting block 441 in the positioning block 44 is clamped with both sides of the handle of the scissors 46, the bidirectional screw rod 41 is stopped, and the manual valve 35 is opened; since the inside of the shell 32 is in a vacuum state before, the gas is introduced into the shell 32 through the filter screen 36 and the manual valve 35 under the atmospheric pressure of the outside world, the shell 32 is inflated in the sleeve 311, the gas drives the piston 313 and the piston rod 312 to slide along the sleeve 311, the sliding piston rod 312 drives the positioning block 44 and the sliding block 43 to slide along the limiting frame 42 through the cross shaft 45; at this time, the positioning block 44 pulls the handle end of the scissors 46, so that the blade end of the scissors 46 is opened; the user holds the grip 2 to move the frame 1, the pneumatic element 3 and the shearing element 4 to the branch, and moves the blade of the scissors 46 to the branch cutting end; the manual valve 35 is closed and the miniature vacuum pump 331 is started; at this time, the shell 32 is closed with the outside world, the miniature vacuum pump 331 performs vacuum treatment on the lower side of the sleeve 311 through the bifurcated pipe 332 and the shell 32; under the action of the atmospheric pressure of the outside world, the piston rod 312 and the piston 313 are reset, the piston rod 312 pulls the positioning block 44 to reset through the cross shaft 45, the positioning block 44 drives the handle end of the scissors 46 to rotate, and the blade of the scissors 46 cuts the branch.

[0039] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and illustrative figures, it should be apparent that the scope of the present application is not limited to these specific embodiments.

[0040] While the embodiments of the application have been shown and described herein, it is to be understood that the scope of the application, jointly pointed out in the appended claims, is not to be limited to the above-described embodiments but can be otherwise variously changed, modified, replaced, and altered within the principles and spirit of the present application.

Claims

1. A pneumatic transmission pruner with suspension and damping, comprising a frame (1), characterized in that: The frame (1) is connected with a pruning adjustment member for hanging buffer, the pruning adjustment member comprises: A pneumatic member (3) is installed on the right side of the frame (1) for providing power for pruning, the pneumatic member (3) comprises two groups of telescopic arms (31) symmetrically installed on the inner side of the frame (1), a shell (32) is installed at the right end of the inner side of the frame (1) and is rotationally connected with the telescopic arms (31), an air extraction assembly (33) for vacuumizing in the shell (32) is installed on the right outer end of the frame (1), the air extraction assembly (33) comprises a micro vacuum pump (331) fixedly connected with the frame (1), a bifurcated pipe (332) is fixedly connected with the shell (32) at the air extraction end of the micro vacuum pump (331), an exhaust pipe (333) is installed at the exhaust end of the micro vacuum pump (331), a jet block (334) is fixedly connected with the exhaust pipe (333) on the right side of the frame (1), a hand valve (35) is installed at the middle of the right side of the shell (32), and a filter screen (36) is installed at the right side of the hand valve (35) close to the jet block (334). A shearing member (4) is installed on the left side of the frame (1) for pruning, the shearing member (4) comprises a bidirectional screw rod (41) rotationally connected on the left side of the frame (1), a limiting frame (42) is threadedly connected with the frame (1) on the left side of the bidirectional screw rod (41), two groups of the limiting frames (42) are slidably connected with two sliding blocks (43) in the limiting frames (42), a positioning block (44) is installed on the sliding block (43) close to the middle of the frame (1), a cross shaft (45) is rotationally connected with the positioning block (44) at the elongated end of the telescopic arm (31), a scissors (46) is clamped in the positioning block (44), an arc-shaped sliding groove is arranged on the inner side of the limiting frame (42), and a protruding block is arranged on the surface of the sliding block (43) and is attached to the front side and the rear side of the limiting frame (42); the positioning block (44) comprises an installation block (441) fixedly connected with the sliding block (43), a limiting groove (442) is arranged in the installation block (441) and is clamped with the handle end of the scissors (46), and a cross groove (443) is arranged on the right side of the installation block (441) and is slidably connected with the cross shaft (45).

2. The pneumatic operated shears with suspension and damping according to claim 1, characterized in that: The pruning adjustment member further comprises a handle (2) installed on the right side of the frame (1), the handle (2) is located on the outer side of the pneumatic member (3), and a sponge sleeve is arranged on the surface of the handle (2).

3. The pneumatic operated shears with suspension and damping according to claim 1, characterized in that: The telescopic arm (31) comprises a sleeve (311) rotationally connected with the inner side of the frame (1), the sleeve (311) is rotationally connected with the shell (32) and is in communication, a piston (313) is slidably connected in the sleeve (311), the piston (313) is fixedly connected with a piston rod (312) slidably connected with the sleeve (311), and the piston rod (312) is rotationally connected with the side end of the cross shaft (45) away from the piston (313).

4. The pneumatic operated shears with suspension and damping according to claim 1, characterized in that: The pneumatic part (3) further comprises two groups of activated carbon screens (34) arranged inside the shell (32), the bifurcated pipe (332) is fixedly connected with the shell (32) and communicates, the air jet block (334) is provided with a plurality of air jet holes near the end of the filter screen (36), the inner end of the air jet block (334) is hollow and respectively communicates with the exhaust pipe (333) and the air jet hole.

5. The pneumatic operated shears with suspension and damping according to claim 1, characterized in that: The front side of the bidirectional screw (41) is provided with a shifting block near the outer end of the frame (1), and the rear side of the bidirectional screw (41) is threadedly connected with a locking nut near the outer end of the frame (1).

6. The pneumatic operated shears with suspension and damping according to claim 1, characterized in that: The inner side of the frame (1) is provided with a sliding rod at the lower left end, and the frame (1) is respectively and slidably connected with the two groups of limiting frames (42) through the sliding rod. The bidirectional screw (41) and the sliding rod are both made of stainless steel.

Images