Silencing chain saw with protective structure

By employing a protective structure driven by a brushless motor on the chainsaw, noise reduction and prevention of wood chips sticking together are achieved, solving the problems of high noise and sticky flying chips in traditional chainsaws.

CN224089214UActive Publication Date: 2026-04-07ZHEJIANG GORDON TECH CO LTD
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Patent Information

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

AI Technical Summary

Technical Problem

Traditional chainsaws are noisy, and the cutting debris easily sticks to the operator's clothes, affecting the operator's work.

Method used

The protective structure, driven by a brushless motor, includes a protective shell, a drive plate, a connecting rod, and a saw blade. The brushless motor drives the saw blade to reciprocate, and the protective buffer sleeve blocks tree debris, reduces noise, and prevents tree debris from sticking.

Benefits of technology

While reducing noise, it also prevents tree debris from sticking to the operator's clothes, thus improving the operator's working environment comfort.

✦ Generated by Eureka AI based on patent content.

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Abstract

The silencing chain saw with the protection structure comprises a protection shell, the inner wall of the protection shell is rotationally connected with a first driving plate and a second driving plate, the surface of the first driving plate is rotationally connected with a first connecting rod, the inner wall of the first connecting rod is rotationally connected with a first saw blade, and the inner wall of the second driving plate is rotationally connected with a second saw blade. And the surface of the second driving plate is rotationally connected with a second connecting rod. By adopting the brushless motor, the brushless motor can output larger torque or rotating speed under the same power input, or reduce energy consumption under the same output, meanwhile, due to the fact that friction between an electric brush and a commutator does not exist, noise generated during operation of the brushless motor is low, operation is more stable, the brushless motor is started, and the service life of the brushless motor is prolonged. The first saw blade and the second saw blade are driven to move back and forth in a reciprocating mode, tree cutting is achieved, tree chips generated when the first saw blade and the second saw blade saw the tree are blocked by the pair of protection buffer sleeves and then fall down, and the tree chips are prevented from adhering to the surface of clothes of an operator.
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Description

TECHNICAL FIELD

[0001] The utility model relates to forestry and woodworking technical field especially, relate to a silencing oil saw with protection structure. BACKGROUND

[0002] Oil saw is also called chain saw, and is mainly used for felling and timber making, and its working principle is to cut by the transverse movement of staggered L-shaped blades on the saw chain.

[0003] The traditional oil saw is loud when in use, and after long time use, will cause the tinnitus phenomenon of the operator, and the noise will pollute the surrounding residents, and the flying chips generated during cutting are easy to adhere to the surface of the clothes of the operator, influence the tree sawing operation of the operator, therefore need a silencing oil saw with protection structure. UTILITY MODEL CONTENT

[0004] The utility model discloses a silencing oil saw with protection structure, which solves the problems in the prior art.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A silencing oil saw with protection structure, comprising a protective shell, a first driving plate and a second driving plate are rotatably connected to the inner wall of the protective shell, a first connecting rod is rotatably connected to the surface of the first driving plate, a first saw blade is rotatably connected to the inner wall of the first connecting rod, a second connecting rod is rotatably connected to the surface of the second driving plate, a second saw blade is rotatably connected to the inner wall of the second connecting rod, the surfaces of the first saw blade and the second saw blade are slidably connected to the inner wall of the protective shell, one side of the second saw blade is attached to one side of the first saw blade, a plurality of sharp grooves are formed in the surfaces of the first saw blade and the second saw blade, and a driving protection mechanism is installed on the surface of the protective shell.

[0007] Preferably, the driving protection mechanism comprises a sealing shell fixedly connected to the surface of the protective shell, a waterproof shell is fixedly connected to the surface of the sealing shell, a brushless motor is fixedly connected to the inner wall of the waterproof shell, and the output end of the brushless motor is fixedly connected to the surface of the first driving plate.

[0008] Preferably, a transmission shaft is rotatably connected to the inner wall of the protective shell, a first driven wheel and a second driving wheel are fixedly connected to the surface of the transmission shaft, and a first belt is sleeved on the surfaces of the first driven wheel and the first driving wheel.

[0009] Preferably, a second driven wheel is fixedly connected to one side of the second driving plate, and a second belt is sleeved on the surfaces of the second driving wheel and the second driven wheel.

[0010] Preferably, the surface of the protective shell is rotatably connected with a protective buffer sleeve, the surface of the protective shell is rotatably connected with an arc-shaped telescopic rod, one end of the arc-shaped telescopic rod is rotatably connected with the surface of the protective buffer sleeve, and the surface of the arc-shaped telescopic rod is sleeved with a spring.

[0011] Preferably, the surface of the protective shell is fixedly connected with a handle, the surface of the protective shell is fixedly connected with a pair of support seats, and the surface of the sealing shell is fixedly connected with an oil tank.

[0012] The utility model discloses beneficial effects are:

[0013] By adopting the brushless motor, under the same power input, the brushless motor can output greater torque or speed, or under the same output, the energy consumption is reduced, and the noise generated during the operation of the brushless motor is low, and the operation is more stable. Start the brushless motor, drive the first saw blade and the second saw blade to reciprocate, realize the cutting of the tree, and the sawdust generated by the first saw blade and the second saw blade sawing the tree is blocked by the pair of protective buffer sleeves and falls down, preventing the sawdust from sticking to the surface of the operator's clothes. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A three-dimensional structure schematic view of the noise reduction oil saw with the protection structure is provided for the utility model;

[0015] Figure 2 A sectional structure schematic view of the protective shell in the noise reduction oil saw with the protection structure is provided for the utility model;

[0016] Figure 3 A three-dimensional structure schematic view of the first saw blade and the second saw blade in the noise reduction oil saw with the protection structure is provided for the utility model;

[0017] Figure 4 A structure schematic view of the protective buffer sleeve in the noise reduction oil saw with the protection structure is provided for the utility model.

[0018] In the drawing: 1, protective shell;2, sealing shell;3, waterproof shell;4, protective buffer sleeve;5, brushless motor;6, transmission shaft;7, first driven wheel;8, first driving wheel;9, first belt;10, second driving wheel;11, second belt;12, second driven wheel;13, first driving plate;14, second driving plate;15, second connecting rod;16, first connecting rod;17, first saw blade;18, second saw blade;19, arc-shaped telescopic rod;20, spring;21, sharp groove;22, handle;23, support seat;24, oil tank. DETAILED DESCRIPTION

[0019] Clearly, the described embodiments are merely part of the embodiments of the present utility model, rather than all the embodiments.

[0020] Referring to Figures 1-4 The utility model provides a sound reduction oil saw with protection structure, including protection shell 1, the inner wall rotation of protection shell 1 is connected with first driving plate 13 and second driving plate 14, the surface rotation of first driving plate 13 is connected with first connecting rod 16, the inner wall rotation of first connecting rod 16 is connected with first saw blade 17, the surface rotation of second driving plate 14 is connected with second connecting rod 15, the inner wall rotation of second connecting rod 15 is connected with second saw blade 18, the surface of first saw blade 17 and second saw blade 18 all are connected with the inner wall of protection shell 1 sliding, one side of second saw blade 18 is pasted with one side of first saw blade 17, the surface of first saw blade 17 and second saw blade 18 all are equipped with multiple sharp grooves 21, and the surface of protection shell 1 is installed with drive protection mechanism.

[0021] Through setting up first driving plate 13, drive first connecting rod 16 and first saw blade 17 movement, through setting up second driving plate 14, drive second connecting rod 15 and second saw blade 18 movement, through setting up multiple sharp grooves 21, first saw blade 17 and second saw blade 18 reciprocating motion, realize sawing operation, through setting up drive protection mechanism, drive first saw blade 17 and second saw blade 18 movement, reduce the generation of noise in the movement process, prevent the tree chip from sticking on clothes simultaneously.

[0022] In the utility model, drive protection mechanism includes the sealing shell 2 of fixed connection on the surface of protection shell 1, the surface of sealing shell 2 is fixedly connected with waterproof shell 3, the inner wall of waterproof shell 3 is fixedly connected with brushless motor 5, and the output end of brushless motor 5 is fixedly connected with the surface of first driving plate 13.

[0023] Through setting up waterproof shell 3, keep brushless motor 5, through setting up brushless motor 5, under the same power input, brushless motor 5 can output greater torque or speed, or under the same output, reduce energy consumption, and simultaneously, because there is no friction between the commutator and the commutator, the noise generated when brushless motor 5 operates is lower, and the operation is more stable.

[0024] In the utility model, the inner wall rotation of protection shell 1 is connected with transmission shaft 6, the surface of transmission shaft 6 is fixedly connected with first driven wheel 7 and second driving wheel 10, and the surface of first driven wheel 7 and first driving wheel 8 is sleeved with first belt 9.

[0025] Through setting up transmission shaft 6, keep first driven wheel 7 and second driving wheel 10 installation stable, through setting up first belt 9, first belt 9 drive first driven wheel 7 and transmission shaft 6 rotation.

[0026] The utility model discloses a second driven wheel 12 is fixedly connected to one side of second driving plate 14, and the surface of second driving wheel 10 and second driven wheel 12 is equipped with second belt 11.

[0027] By setting second belt 11, second belt 11 drives second driven wheel 12 to rotate.

[0028] The utility model discloses the surface of protection shell 1 rotatablely connected with the protection buffer sleeve 4, the surface of protection shell 1 rotatablely connected with arc expansion link 19, one end of arc expansion link 19 rotatablely connected with the surface of protection buffer sleeve 4, and the surface of arc expansion link 19 is equipped with spring 20.

[0029] By setting protection buffer sleeve 4, the cuttings of tree are prevented and blocked during the operation of first saw blade 17 and second saw blade 18, and by setting spring 20, when protection buffer sleeve 4 collides with the tree, spring 20 is used for buffering protection.

[0030] The utility model discloses the surface of protection shell 1 fixedly connected with the handle 22, the surface of protection shell 1 fixedly connected with a pair of support seat 23, and the surface of sealing shell 2 fixedly connected with oil tank 24.

[0031] By setting handle 22, the hand holds the stable protection shell 1, by setting support seat 23, the stable placement of protection shell 1 on the water surface is convenient, and by setting oil tank 24, the storage of power oil is carried out.

[0032] Working principle: when using, starting brushless motor 5, the output end of brushless motor 5 drives first driving plate 13 to rotate, and first driving plate 13 drives first driving wheel 8 to rotate, and first driving wheel 8 drives first driven wheel 7 to rotate through first belt 9, and first driven wheel 7 drives second driving wheel 10 to rotate through transmission shaft 6, and second driving wheel 10 drives second driven wheel 12 to rotate through second belt 11, and second driven wheel 12 drives second driving plate 14 to rotate, and first driving plate 13 and second driving plate 14 rotate and drive first connecting rod 16 and second connecting rod 15 to move, and then drive first saw blade 17 and second saw blade 18 to reciprocate, realize the cutting of tree, by setting brushless motor 5, under the same power input, brushless motor 5 can output greater torque or rotational speed, or under the same output, reduce energy consumption, because there is no friction between brush and commutator, the noise produced when brushless motor 5 operates is lower, and the operation is stable, and the cuttings of tree produced when first saw blade 17 and second saw blade 18 saw tree are blocked by a pair of protection buffer sleeves 4 and fall down, preventing the cuttings of tree from sticking to the surface of operator's clothes.

[0033] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A silent chainsaw with a protective structure, comprising a protective shell (1), characterized in that, The inner wall of the protective shell (1) is rotatably connected to a first driving plate (13) and a second driving plate (14). The surface of the first driving plate (13) is rotatably connected to a first connecting rod (16). The inner wall of the first connecting rod (16) is rotatably connected to a first saw blade (17). The surface of the second driving plate (14) is rotatably connected to a second connecting rod (15). The inner wall of the second connecting rod (15) is rotatably connected to a second saw blade (18). The surfaces of the first saw blade (17) and the second saw blade (18) are slidably connected to the inner wall of the protective shell (1). One side of the second saw blade (18) is in contact with one side of the first saw blade (17). The surfaces of the first saw blade (17) and the second saw blade (18) are provided with multiple sharp grooves (21). The surface of the protective shell (1) is equipped with a drive protection mechanism.

2. The silent chainsaw with a protective structure according to claim 1, characterized in that, The drive protection mechanism includes a sealing shell (2) fixedly connected to the surface of the protective shell (1), a waterproof shell (3) fixedly connected to the surface of the sealing shell (2), a brushless motor (5) fixedly connected to the inner wall of the waterproof shell (3), and the output end of the brushless motor (5) fixedly connected to the surface of the first drive plate (13).

3. A silencer chainsaw with a protective structure according to claim 1, characterized in that, The inner wall of the protective shell (1) is rotatably connected to a transmission shaft (6), and the surface of the transmission shaft (6) is fixedly connected to a first driven wheel (7) and a second driving wheel (10). The surfaces of the first driven wheel (7) and the first driving wheel (8) are fitted with a first belt (9).

4. A silencer chainsaw with a protective structure according to claim 3, characterized in that, A second driven wheel (12) is fixedly connected to one side of the second driving plate (14), and a second belt (11) is sleeved on the surface of the second driving wheel (10) and the second driven wheel (12).

5. A silencer chainsaw with a protective structure according to claim 1, characterized in that, The protective shell (1) is rotatably connected to a protective buffer sleeve (4), and the protective shell (1) is rotatably connected to an arc-shaped telescopic rod (19). One end of the arc-shaped telescopic rod (19) is rotatably connected to the surface of the protective buffer sleeve (4), and a spring (20) is sleeved on the surface of the arc-shaped telescopic rod (19).

6. A silencer chainsaw with a protective structure according to claim 2, characterized in that, A handle (22) is fixedly connected to the surface of the protective shell (1), a pair of support seats (23) are fixedly connected to the surface of the protective shell (1), and an oil tank (24) is fixedly connected to the surface of the sealing shell (2).