Hedge trimmer with damping function

By installing support components and a buffer system on the hedge trimmer, the problems of uneven cutting and collisions during close-range cutting are solved, achieving stable cutting and equipment protection, and improving aesthetics and durability.

CN224084196UActive Publication Date: 2026-04-07ZHEJIANG N PLUS INTELLIGENT TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-08
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

When the hedge trimmer moves close to the ground, it is difficult to maintain a consistent contact angle and force between the blade and the bottom of the hedge, resulting in uneven cutting, affecting the appearance, and making it easy to collide with the ground and damage the outer casing components.

Method used

The support components include a support bracket, a sliding guide block, a buffer sleeve, and a support frame. Combined with guide wheels and a return spring, the guide wheels provide stable support through contact with the ground, the buffer sleeve absorbs vibration energy, and the multi-stage sleeves dissipate vibration, maintaining cutting uniformity and protecting the machine body.

Benefits of technology

It achieves a stable cutting height on uneven ground, avoiding uneven cutting and damage from machine collisions, thus improving the aesthetics of hedge cutting and the durability of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hedge trimmer with a damping function, and relates to the technical field of hedge trimmers, the hedge trimmer comprises a hedge trimmer body, the two side end portions of the hedge trimmer body are both provided with supporting assemblies, each supporting assembly comprises a supporting clamping seat, a sliding guide block, a buffering sliding sleeve and a bearing frame, a buffering sliding sleeve in butt joint with the sliding guide block is fixedly installed in each bearing frame, a multi-section sleeve connected with the bearing frame is fixedly installed at the bottom end of each sliding guide block, and a reset spring used for pushing the bearing frame is fixedly installed in each multi-section sleeve. Due to the fact that the buffering sliding sleeve has good elasticity and flexibility, in the supporting and moving process of the bearing frame, the buffering sliding sleeve firstly bears impact force and can absorb part of vibration energy through elastic deformation of the buffering sliding sleeve, and on the basis of preliminary buffering of the buffering sliding sleeve, the multiple sections of sleeves can be compressed in a multi-stage mode. And vibration energy can be gradually absorbed and consumed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a hedge trimmer technical field, especially a hedge trimmer with shock attenuation function. BACKGROUND

[0002] The hedge trimmer is used for trimming various shapes of hedges such as square, circular, wavy and the like in parks, botanical gardens, scenic spots and the like, and can also be used for modeling and trimming shrubs to improve the aesthetic degree of the landscape, and in practical application, the equipment usually needs the following technologies:

[0003] 1. Power system, which generates power to drive the machine to run by burning the mixed fuel of gasoline and oil;

[0004] 2. Transmission system, which transmits the power of the gasoline engine to the blade to make the blade perform high-speed cutting movement;

[0005] 3. Blade system, which realizes trimming of the hedge by reciprocating or rotating movement during work;

[0006] The handheld gasoline hedge trimmer relies on a small gasoline engine to drive the blade to cut and rotate, and is powerful and suitable for trimming work of large area and hard plants such as hedges on both sides of parks and roads, and the hedge trimmer is turned off in time after use to clean the residues such as gum and leaves on the blade to prevent the blade from being blocked.

[0007] When the hedge trimmer is very close to the ground, the contact angle and force of the blade with the bottom of the hedge are difficult to keep consistent, which easily leads to uneven cutting of the bottom of the hedge and affects the overall aesthetic degree, and moreover, the bottom end of the hedge trimmer is easily collided with the ground when the hedge trimmer is moved at a close distance due to the uneven ground, which leads to damage of the shell parts. SUMMARY

[0008] In view of the deficiencies of the prior art, the utility model provides a hedge trimmer with shock attenuation function, which solves the technical problems that when the hedge trimmer is very close to the ground, the contact angle and force of the blade with the bottom of the hedge are difficult to keep consistent, which easily leads to uneven cutting of the bottom of the hedge and affects the overall aesthetic degree, and moreover, the bottom end of the hedge trimmer is easily collided with the ground when the hedge trimmer is moved at a close distance due to the uneven ground, which leads to damage of the shell parts.

[0009] To achieve the above purpose, the utility model realizes the following technical scheme:

[0010] The hedge trimmer with the damping function comprises a hedge trimmer body, both side ends of the hedge trimmer body are provided with support assemblies, each support assembly comprises a support holder, a sliding guide block, a buffer sliding sleeve and a supporting bracket, the buffer sliding sleeve of each supporting bracket is fixedly installed in the inside of the supporting bracket, the bottom end of each sliding guide block is fixedly installed with a multi-section sleeve connected with the supporting bracket, and the inside of each multi-section sleeve is fixedly installed with a return spring used for pushing the supporting bracket.

[0011] Preferably, the inside of each supporting bracket is rotatably installed with a guide wheel, and both ends of each guide wheel are connected with the supporting bracket through bearings.

[0012] The top end of each support holder is fixedly installed with a guide plate connected with the hedge trimmer body, and the side end of each guide plate is provided with a groove connected with the support holder.

[0013] Preferably, the outside of each support holder is rotatably installed with a fastening bolt, and the surface of each fastening bolt is provided with a screw thread.

[0014] Both side ends of each hedge trimmer body are provided with positioning holes connected with the fastening bolts, and the hedge trimmer body comprises an oil tank, an engine, a transmission shaft, a gear box and a blade.

[0015] Compared with the prior art, the hedge trimmer has the following beneficial effects.

[0016] In the hedge trimmer, the guide wheel is in a free rotating state and is moved to contact the ground, and the hedge trimmer body can be supported upward and kept at a relatively stable height, so that the cutting height of the hedge bottom is more uniform, and the overall appearance is improved.

[0017] In the hedge trimmer, the buffer sliding sleeve has good elasticity and flexibility, and when the supporting bracket is moved, the supporting bracket is pressed upward to slide the guide block, the buffer sliding sleeve first bears the impact force, and can absorb part of the vibration energy through elastic deformation, and the multi-section sleeve can gradually absorb and consume the vibration energy through multi-stage compression on the basis of the preliminary buffering of the buffer sliding sleeve. BRIEF DESCRIPTION OF DRAWINGS

[0018] The above description is only a summary of the technical scheme of the hedge trimmer, in order to more clearly understand the technical means of the hedge trimmer and can be implemented according to the content of the specification, the preferred embodiments of the hedge trimmer are described in detail below with reference to the drawings.

[0019] Figure 1The utility model discloses hedge trimmer body's structure diagram.

[0020] Figure 2 The utility model discloses support the structure diagram of card seat.

[0021] Figure 3 The utility model discloses the structure diagram of buffer sliding sleeve.

[0022] Figure 4 The utility model discloses the structure diagram of sliding guide block.

[0023] In the drawing: 11, hedge trimmer body;12, support card seat;13, guide plate;14, fastening bolt;15, sliding guide block;16, multistage sleeve;17, return spring;18, buffer sliding sleeve;19, support frame;21, guide wheel. DETAILED DESCRIPTION

[0024] The hedge trimmer provided by the embodiment of the application effectively solves the problems that the guide wheel is in a free rotating state after being contacted with the ground by moving the hedge trimmer body, the hedge trimmer body can be supported upward by cooperating with the movement of the hedge trimmer body, the cutting height can be kept relatively stable, the cutting of the hedge bottom is more uniform, and the overall appearance is improved, the contact angle and force of the blade and the hedge bottom are difficult to keep consistent when the hedge trimmer is very close to the ground, the hedge bottom is easily cut unevenly, the overall appearance is affected, and the bottom end of the hedge trimmer is easily collided with the ground when the hedge trimmer is moved at a close distance, and the shell parts are damaged. EMBODIMENT

[0025] As Figure 1 , Figure 2 , Figure 3 and Figure 4 indicated, the technical scheme in the embodiment of the application effectively solves the problems that the contact angle and force of the blade and the hedge bottom are difficult to keep consistent when the hedge trimmer is very close to the ground, the hedge bottom is easily cut unevenly, the overall appearance is affected, and the bottom end of the hedge trimmer is easily collided with the ground when the hedge trimmer is moved at a close distance, and the shell parts are damaged, and the general idea is as follows:

[0026] The utility model provides a hedge trimmer with shock -absorbing function, including hedge trimmer body 11, both side end parts of hedge trimmer body 11 are provided with support assembly, and each support assembly includes support seat 12, sliding guide block 15, buffer sliding sleeve 18 and support frame 19, the inside fixed mounting of each support frame 19 has the buffer sliding sleeve 18 of butt joint sliding guide block 15, the bottom fixed mounting of each sliding guide block 15 has the multistage sleeve 16 connected with support frame 19, the inside fixed mounting of each multistage sleeve 16 has the reset spring 17 for pushing support frame 19, buffer sliding sleeve 18 has good elasticity and flexibility, when support frame 19 is in the process of supporting movement, support frame 19 extrudes sliding guide block 15 upwards, buffer sliding sleeve 18 first bears impact force, it can absorb part vibration energy through the elastic deformation of itself, on the basis of preliminary buffering of buffer sliding sleeve 18, multistage sleeve 16 can gradually absorb and consume vibration energy through multistage compression mode, and reset spring 17 that is stressed and extruded gradually compresses, generates reverse elastic force, pushes support frame 19 to restore to the original position, makes whole structure can restore to the balanced state rapidly;

[0027] The outer side of each support seat 12 is rotatably installed with a fastening bolt 14, and the surface of each fastening bolt 14 is provided with a screw thread.

[0028] The top end of each support seat 12 is fixedly installed with a guide plate 13 butt-jointed with the hedge trimmer body 11, and the side end part of each guide plate 13 is provided with a groove butt-jointed with the support seat 12; when not in use, the support frame 19 is pushed upwards, the support frame 19 and the sliding guide block 15 are mutually extruded and slid, the sliding guide block 15 is slidably inserted into the inside of the support frame 19, and the guide wheel 21 is moved upwards.

[0029] The inside of each support frame 19 is rotatably installed with a guide wheel 21, and the two ends of each guide wheel 21 are connected with the support frame 19 through bearings, so that the guide wheel 21 can freely rotate in the inside of the support frame 19; since the support seat 12 is slid downwards, the guide wheel 21 is pushed to move downwards; when the hedge trimmer body 11 is used to cut the hedge close to the ground, the hedge trimmer body 11 is moved, so that the guide wheel 21 is in contact with the ground after moving; the guide wheel 21 is in a freely rotating state, and cooperates with the movement of the hedge trimmer body 11; the hedge trimmer body 11 can be supported upwards, so that the height can be kept relatively stable, the cutting height can be kept uniform, the cutting of the bottom of the hedge is more uniform, and the overall aesthetic appearance is improved.

[0030] The hedge trimmer body 11 comprises an oil tank, an engine, a transmission shaft, a gear box and a blade, the angle and cutting position of the blade are adjusted according to the height and shape of the hedge, the throttle is adjusted to make the engine reach a proper rotating speed, the blade reaches an ideal cutting speed, both hands hold the handle, the body is kept balanced and stable, cutting is started from one end of the hedge according to a certain direction and sequence, the hedge trimmer body 11 is moved at a constant speed, after cutting is completed, the throttle is adjusted to the minimum, the engine is turned off by pressing the stop switch, sundries and dust on the machine are cleaned, and the hedge trimmer is properly stored.

[0031] Working principle:

[0032] Firstly, cutting is started from one end of the hedge according to a certain direction and sequence, the hedge trimmer body 11 is moved at a constant speed, after cutting is completed, the throttle is adjusted to the minimum, the engine is turned off by pressing the stop switch, sundries and dust on the machine are cleaned, and the hedge trimmer is properly stored, the guide wheel 21 is moved to contact the ground after the hedge trimmer body 11 is moved, the guide wheel 21 is in a free rotating state, the hedge trimmer body 11 can be supported upward and kept at a relatively stable height by cooperating with the movement of the hedge trimmer body 11, so that the cutting height is uniform and the cutting of the bottom of the hedge is more uniform, and the overall appearance is improved.

[0033] Secondly, the bottom end of each sliding guide block 15 is fixedly provided with a plurality of sleeve segments 16 connected with the supporting frame 19, the inside of each sleeve segment 16 is fixedly provided with a reset spring 17 for pushing the supporting frame 19, and the buffer sliding sleeve 18 has good elasticity and flexibility, when the supporting frame 19 is supported and moved, the supporting frame 19 extrudes the sliding guide block 15 upward, the buffer sliding sleeve 18 first bears the impact force, it can absorb part of the vibration energy by elastic deformation, the sleeve segment 16 can gradually absorb and consume the vibration energy by the multi-stage compression mode on the basis of the preliminary buffering of the buffer sliding sleeve 18, and the reset spring 17 is gradually compressed under stress extrusion, generates a reverse elastic force, pushes the supporting frame 19 to return to the original position, and makes the whole structure quickly return to the balanced state.

[0034] Finally, it should be noted that: obviously, the above embodiments are only examples for clearly illustrating the utility model, and are not limited to the implementation mode. For ordinary skilled persons in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the implementation modes need not and cannot be exhausted. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. A hedge trimmer with shock absorption function, comprising a hedge trimmer body (11), characterized in that, The hedge trimmer body (11) is provided with support components on both sides. Each support component includes a support base (12), a sliding guide block (15), a buffer sleeve (18), and a support frame (19). The buffer sleeve (18) that docks with the sliding guide block (15) is fixedly installed inside each support frame (19). The bottom end of each sliding guide block (15) is fixedly installed with a multi-segment sleeve (16) connected to the support frame (19). The return spring (17) for pushing the support frame (19) is fixedly installed inside each multi-segment sleeve (16).

2. A hedge trimmer with shock absorption function as described in claim 1, characterized in that, Each of the brackets (19) has a guide wheel (21) rotatably mounted inside, and the two ends of each guide wheel (21) are connected to the bracket (19) by bearings.

3. A hedge trimmer with shock absorption function as described in claim 1, characterized in that, Each of the support brackets (12) has a guide plate (13) for docking with the hedge trimmer body (11) fixedly installed at its top end, and each guide plate (13) has a groove for docking with the support bracket (12) at its side end.

4. A hedge trimmer with shock absorption function as described in claim 1, characterized in that, Each of the support brackets (12) is rotatably mounted with a fastening bolt (14) on its outer side, and each of the fastening bolts (14) has a screw thread on its surface.

5. A hedge trimmer with shock absorption function as described in claim 1, characterized in that, Each of the hedge trimmer bodies (11) has positioning holes on both sides that engage with fastening bolts (14).

6. A hedge trimmer with shock absorption function as described in claim 1, characterized in that, The hedge trimmer body (11) includes an oil tank, an engine, a drive shaft, a gearbox, and blades.