Comfortable gasoline chain saw

By incorporating spring dampers and a heat dissipation system into the gasoline chainsaw, the problems of vibration reduction and heat dissipation have been solved, improving operating comfort and equipment lifespan.

CN223519843UActive Publication Date: 2025-11-07YONGKANG WEILI GARDEN MACHINERY
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Patent Information

Application Number
CN202422903635.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2025-11-07
Estimated Expiration
2034-11-27

AI Technical Summary

Technical Problem

Existing gasoline chainsaws have poor shock absorption, and the rubber shock absorbers are prone to aging and hardening in cold conditions. Vibration affects operating comfort and health, and the heat dissipation effect is poor, which affects service life.

Method used

The engine housing and fuel tank are connected by a shock absorber consisting of first and second springs. The fuel tank handle is wrapped with an elastic rubber protective sleeve. The engine housing is equipped with a cooling fan, a protective cover, and an air inlet design.

Benefits of technology

It improves shock absorption, increases grip comfort and safety, reduces noise, and extends service life.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223519843U_ABST
    Figure CN223519843U_ABST
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Abstract

The utility model discloses a comfortable gasoline chain saw which comprises a gasoline chain saw body, the gasoline chain saw body comprises an engine shell and an oil tank, the engine shell and the oil tank are connected through a damping piece, and the damping piece comprises a first spring and a second spring. The two sides of the engine shell are each provided with two first mounting holes and a second mounting hole, and the two first mounting holes and the second mounting hole are distributed in a triangular shape. The engine shell and the oil tank are connected through the damping piece composed of the first spring and the second spring, compared with a traditional rubber damping rubber mat, the damping effect is improved through the design, vibration of the gasoline chain saw in the using process is reduced, the problems that a rubber piece is prone to aging and hardens under the cold condition are solved, and the service life of the gasoline chain saw is prolonged. Therefore, the burden of arms and shoulders of an operator is effectively relieved, the operation comfort is improved, and meanwhile, the physical health of the operator is protected.
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Description

TECHNICAL FIELD

[0001] The utility model relates to gasoline chain saw technical field, especially a comfortable gasoline chain saw. BACKGROUND

[0002] In recent years, the landscaping construction has been regarded as an important infrastructure construction and been included in the national economy and social development plan of all levels of government, and the greening construction investment is increasing, and the pace is further accelerated. With the development of China's economic construction, the development of landscaping has made great progress, and the urban greening has formed a large industry, and the daily maintenance depends on these landscaping tools, and the gasoline engine power landscaping tools are mostly seen in daily life, such as oil saw, lawn mower, pruning shears, grass trimmer, edge trimmer, brush cutter and the like. The oil saw is the abbreviation of 'gasoline chain saw' or 'gasoline power saw', which is mainly used for felling and timbering, and is a kind of gardening tool for cutting wood or branches by high-speed rotating chain driven by power. The chain saw of the sawing mechanism, the power part is a gasoline engine, and the oil saw usually includes an oil tank, the engine is located in the middle of the oil tank, and the tail is a handle. The existing traditional gasoline chain saw oil tank and engine connection usually adopts rubber shock absorbing rubber pad connection, which has the defects of poor damping effect, easy aging and easy hardening in cold climate conditions. In the actual cutting process, the operator will produce great pressure on the arm and shoulder because of the long-time vibration of the gasoline chain saw, the vibration is conducted to the hand along the handle, which affects the comfort of machine operation and causes adverse effects on human health, and at the same time, the large amount of heat generated during the use of the gasoline chain saw cannot be reasonably dissipated, which also affects the service life.

[0003] Therefore, we propose a comfortable gasoline chain saw. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a comfortable gasoline chain saw, so as to solve or at least alleviate one or more of the above problems and other aspects in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the main technical scheme:

[0006] A comfortable gasoline chain saw, comprising a gasoline chain saw body, the gasoline chain saw body comprises an engine shell and an oil tank, the engine shell and the oil tank are connected through a damping piece;

[0007] The damping piece comprises a first spring and a second spring, two first mounting holes and a second mounting hole are formed on two sides of the engine shell, the two first mounting holes and the second mounting hole are in triangular distribution, the first spring is arranged in the first mounting hole and the second mounting hole, the second spring is arranged in the second mounting hole, one end of the first spring is fixedly connected with the side of the oil tank through a screw, the other end of the first spring is fixedly connected with the side of the engine shell through a screw, the first spring is in a circular truncated cone shape, one end of the first spring is fixedly connected with one side of the oil tank through a screw, and the other end of the first spring is clamped in the second mounting hole.

[0008] In the comfortable gasoline chain saw, a handle is formed on one side of the oil tank, and a rubber-coated protective sleeve made of elastic rubber is arranged on the handle.

[0009] In the comfortable gasoline chain saw, anti-skid lines are formed on the surface of the handle.

[0010] In the comfortable gasoline chain saw, a heat dissipation fan wheel is fixedly installed on one end of the crankshaft in the engine shell and penetrates through the engine shell, and the fan blades on the heat dissipation fan wheel are arranged in an arc shape.

[0011] In the comfortable gasoline chain saw, a protective cover is fixedly installed on one side of the engine shell, and the heat dissipation fan wheel is located on the inner side of the protective cover.

[0012] In the comfortable gasoline chain saw, a plurality of air inlets are formed on the protective cover, and a flow guide piece is arranged on the inner side of the air inlet, so that the air flow channel entering the protective cover is in a spiral shape.

[0013] The comfortable gasoline chain saw has at least the following beneficial effects:

[0014] Compared with the traditional rubber damping rubber pad, the damping piece composed of the first spring and the second spring is used to connect the engine shell and the oil tank, which not only improves the damping effect and reduces the vibration of the gasoline chain saw during use, but also avoids the problems of easy aging of the rubber part and hardening under cold conditions, thereby effectively reducing the burden on the operator's arms and shoulders, improving the comfort of operation, and protecting the health of the operator.

[0015] The handle on one side of the oil tank is wrapped with a rubber-coated protective sleeve made of elastic rubber, which not only increases the comfort of holding, but also provides good anti-skid performance, ensures stable holding of the operator even in long-term use or wet environment, reduces the risk of accidental slipping, and improves the safety of operation.

[0016] The crankshaft in the engine housing rotates through the rear fixedly installed heat dissipation fan wheel, and the air inlet designed on the protective cover forms an effective heat dissipation system, the fan blades of the heat dissipation fan wheel are arranged in an arc shape, which can more effectively guide the air flow and accelerate the heat dissipation of the engine interior, prolonging the service life of the gasoline chain saw, and the design of the protective cover also protects the heat dissipation fan wheel from external damage.

[0017] The air inlet on the protective cover is provided with a guide vane on the inner side, so that the air flow channel entering the protective cover is in a spiral shape, which not only enhances the turbulent effect of the air flow and improves the heat dissipation efficiency, but also reduces the generation of noise, so that the gasoline chain saw is more quiet and efficient during operation. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:

[0019] Figure 1 It is a structural schematic view of the comfortable gasoline chain saw of the present application;

[0020] Figure 2 It is a partial structural schematic view of the comfortable gasoline chain saw of the present application;

[0021] Figure 3 It is a partial structural schematic view of the comfortable gasoline chain saw of the present application;

[0022] Figure 4 It is a structural schematic view of the first spring of the present application;

[0023] Figure 5 It is a structural schematic view of the second spring of the present application.

[0024] Explanation of the reference signs:

[0025] 1, engine housing; 101, first mounting hole; 102, second mounting hole; 2, oil tank; 201, handle; 202, rubber protective sleeve; 3, first spring; 4, second spring; 5, heat dissipation fan wheel; 6, protective cover; 601, air inlet. DETAILED DESCRIPTION

[0026] The embodiments of the present application will be described in detail below with reference to the drawings and examples, so that the realization process of how the present application applies technical means to solve technical problems and achieve technical effects can be fully understood and implemented.

[0027] Please refer to Figures 1 to 5The embodiment shown provides a comfortable gasoline chain saw, which comprises a gasoline chain saw body, the gasoline chain saw body comprises an engine shell 1 and an oil tank 2, and the engine shell 1 and the oil tank 2 are connected through a damping piece.

[0028] The damping piece comprises a first spring 3 and a second spring 4, two first mounting holes 101 and one second mounting hole 102 are formed on the two sides of the engine shell 1, the two first mounting holes 101 and the second mounting hole 102 are distributed in a triangular shape, the first spring 3 is arranged in the first mounting hole 101 and the second mounting hole 102, the second spring 4 is arranged in the second mounting hole 102, one end of the first spring 3 is fixedly connected with the side of the oil tank 2 through a screw, the other end of the first spring 3 is fixedly connected with the side of the engine shell 1 through a screw, the first spring 3 is arranged in a circular truncated cone shape, one end of the first spring 3 is fixedly connected with one side of the oil tank 2 through a screw, and the other end of the first spring 3 is clamped in the second mounting hole 102.

[0029] The damping piece composed of the first spring 3 and the second spring 4 is used to connect the engine shell 1 and the oil tank 2, compared with the traditional rubber damping rubber pad, this design not only improves the damping effect and reduces the vibration of the gasoline chain saw during use, but also avoids the problems that the rubber part is easy to age and harden in cold conditions, thereby effectively reducing the burden on the operator's arms and shoulders, improving the comfort of operation, protecting the health of the operator, and the two second mounting holes 102 and the first mounting holes 101 on the same side of the engine shell 1 are distributed in a triangular shape, so that the overall connection is more stable.

[0030] In the embodiment, a handle 201 is formed on one side of the oil tank 2, an elastic rubber protective sleeve 202 is arranged on the handle 201, and anti-skid lines are formed on the surface of the handle 201.

[0031] The elastic rubber protective sleeve 202 is arranged, which not only increases the comfort of holding, but also provides good anti-skid performance, so that the operator can hold stably even in a long time use or wet environment, reduces the risk of accidental slipping, and improves the safety of operation.

[0032] In the embodiment, a heat dissipation fan 5 is fixedly installed on one end of a crankshaft in the engine shell 1 and penetrates through the engine shell 1, the fan blades of the heat dissipation fan 5 are arranged in an arc shape, a protective cover 6 is fixedly installed on one side of the engine shell 1, the heat dissipation fan 5 is located on the inner side of the protective cover 6, a plurality of air inlets 601 are formed on the protective cover 6, and the inner side of the air inlet 601 is provided with a flow guide piece, so that the air flow channel entering the protective cover 6 is in a spiral shape.

[0033] By adopting the above scheme, the air flow channel entering the protective cover 6 is in a spiral shape, which not only enhances the turbulent effect of air flow, improves the heat dissipation efficiency, but also reduces the noise generation, so that the gasoline chain saw is more quiet and efficient during operation.

[0034] The above description shows and describes several preferred embodiments of the present application, but as previously described, it should be understood that the present application is not limited to the forms disclosed herein, and should not be considered as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the application conceived herein, by the above teachings or related art or knowledge. Any modification and change made by those skilled in the art without departing from the spirit and scope of the present application shall be within the protection scope of the claims of the present application.

Claims

1. A comfort gasoline chain saw characterized by, The gasoline chain saw body comprises an engine casing (1) and an oil tank (2), and the engine casing (1) and the oil tank (2) are connected through a damping piece; The damping piece comprises a first spring (3) and a second spring (4), two first mounting holes (101) and a second mounting hole (102) are formed on two sides of the engine casing (1), the two first mounting holes (101) and the second mounting hole (102) are triangularly distributed, the first spring (3) is arranged in the first mounting hole (101) and the second mounting hole (102), the second spring (4) is arranged in the second mounting hole (102), one end of the first spring (3) is fixedly connected with the side of the oil tank (2) through a screw, the other end of the first spring (3) is fixedly connected with the side of the engine casing (1) through a screw, the first spring (3) is in the shape of a circular truncated cone, one end of the first spring (3) is fixedly connected with one side of the oil tank (2) through a screw, and the other end of the first spring (3) is clamped in the second mounting hole (102).

2. A comfort-type gasoline chain saw according to claim 1, wherein: A handle (201) is formed on one side of the oil tank (2), and an elastic rubber sheathed protective sleeve (202) is arranged on the handle (201).

3. A comfort-type gasoline chain saw according to claim 2, wherein: Anti-skid lines are formed on the surface of the handle (201).

4. A comfort-type gasoline chain saw according to claim 1, wherein: An arc-shaped fan blade is arranged on the heat dissipation fan wheel (5).

5. A comfort-type gasoline chain saw according to claim 4, wherein: A protective cover (6) is fixedly installed on one side of the engine casing (1), and the heat dissipation fan wheel (5) is located on the inner side of the protective cover (6).

6. A comfort-type gasoline chain saw according to claim 4, wherein: A plurality of air inlets (601) are formed on the protective cover (6), and a guide vane is arranged on the inner side of the air inlet (601), so that the air flow channel in the protective cover (6) is in a spiral shape.