A chain saw capable of preventing hands from slipping out of the hand

By designing the wristband adjustment mechanism and silence pipe on the chainsaw, the problem of insufficient design of the existing chainsaw wrist sleeve is solved, and the stable fixation of the chainsaw on the wrists of different users is achieved, improving safety and comfort.

CN222736844UActive Publication Date: 2025-04-11ZHEJIANG HEHONG TOOLS CO LTD
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Patent Information

Application Number
CN202421483661.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-26
Publication Date
2025-04-11
Estimated Expiration
2034-06-26

AI Technical Summary

Technical Problem

The wrist cover design of existing chain saws is not versatile and comfortable, which cannot meet the needs of different wrist sizes of users, resulting in the chain saw being disarmed during use, causing accidental damage.

Method used

A chain saw that is anti-hand-off is designed, using a wristband adjustment mechanism, including a wristband fixing unit and a clamping unit, which is in close contact with the wristband through the cylinder drive connecting plate and sawtooth to achieve rapid clamping and loosening of the wristband.

Benefits of technology

Effectively prevent the chain saw from getting off the hand during use, improve the safety of use, and reduce the noise during the operation of the chain saw through the silence pipe, improving the comfort of the working environment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of garden machinery, and particularly relates to an anti-slipping chainsaw, comprising a chainsaw, wherein a wristband adjustment mechanism is arranged above the chainsaw; the wristband adjustment mechanism comprises a wristband fixing unit and a clamping unit; the fixing unit comprises a handle, a fixing block and a wristband, wherein the bottom of the fixing block is fixedly connected to the right side of the upper surface of the chainsaw, the handle is fixedly connected to the middle part of the upper part of the chainsaw, and one end of the wristband is fixedly connected to the fixing block through a connecting strip; the clamping unit comprises a base, a support block, a placement slot 1, a cylinder, a placement slot 2, a connecting plate and saw teeth, and the bottom of the base is fixedly connected to the left side of the upper surface of the chainsaw. The anti-slipping chainsaw, by arranging a wristband adjustment mechanism, particularly a wristband fixing unit and a clamping unit, can ensure that the chainsaw is stably fixed on the wrist of the user during use, effectively prevent accidental injuries caused by the chainsaw slipping out of the user's hands, and greatly improve the safety of use.
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Description

Technical Field

[0001] The utility model relates to the technical field of garden machinery, in particular to an anti-slip chain saw. Background Art

[0002] A chainsaw, also known as an oil saw, is a portable saw powered by a gasoline engine. It is mainly used for logging and timber making. Its working principle is to perform shearing by the lateral movement of the staggered L-shaped blades on the saw chain.

[0003] A Chinese patent with publication number CN211415464U discloses an anti-slip chain saw, comprising a housing, a guide plate, and a saw chain. The guide plate is fixedly arranged on the housing, the chain saw is arranged on the outer periphery of the guide plate, a first handle is arranged on the outer periphery of the housing, a second handle is arranged on the rear side of the housing, and a wrist cuff bound to the wrist is arranged on the housing.

[0004] The above-mentioned prior art solutions have the following defects: although the housing is provided with a wristband that is bound to the wrist, the size, material and fixing method of the wristband may limit its versatility and comfort. If the wristband is designed to be too tight, it may limit the range of motion of the user's wrist and even cause discomfort; if it is designed to be too loose, it may not effectively prevent the chain saw from slipping out of the hand. In addition, the wrist sizes of different users are different, and a single wristband size may not meet the needs of all users.

[0005] For this reason, we have proposed a chain saw that is anti-slip to solve the above problems. Utility Model Content

[0006] The utility model aims to provide a chain saw which can prevent the hand from slipping out of the hand, so as to solve the problem that the wrist cover proposed in the above background technology cannot meet the needs of all users.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-slip chain saw, comprising a chain saw, a wrist strap adjustment mechanism is arranged above the chain saw;

[0008] The wristband adjustment mechanism includes a wristband fixing unit and a clamping unit;

[0009] The fixing unit comprises a handle, a fixing block and a wrist strap, wherein the bottom of the fixing block is fixedly connected to the right side of the upper surface of the chain saw, the handle is fixedly connected to the middle part of the upper part of the chain saw, and one end of the wrist strap is fixedly connected to the fixing block through a connecting strip;

[0010] The clamping unit includes a base, a support block, a placement groove 1, a cylinder, a placement groove 2, a connecting plate and saw teeth. The bottom of the base is fixedly connected to the left side of the upper surface of the chain saw, the bottom of the support block is fixedly connected to the upper surface of the base, the placement groove 1 is opened on the support block, the placement groove 2 is opened on the base, the cylinder is arranged on the inner top surface of the placement groove 1, the output end of the cylinder passes through the base and is connected to the upper surface of the connecting plate, and the saw teeth are fixedly connected to the lower surface of the connecting plate.

[0011] Preferably, an oil tank is fixedly connected above the chain saw, an oil pipe is fixedly connected to the right side of the oil tank, an exhaust pipe is fixedly connected to the right side of the chain saw, and a silencer pipe is connected to the right side of the exhaust pipe through a clamp. The exhaust pipe effectively discharges the exhaust gas generated by the chain saw engine to prevent the exhaust gas from accumulating around the chain saw and affecting the working environment and human health. The silencer pipe is connected to the exhaust pipe through a clamp, which can effectively reduce the noise during the operation of the chain saw, reduce noise pollution, and provide a more comfortable working environment.

[0012] Preferably, the muffler pipe is L-shaped. The L-shaped muffler pipe design helps to better guide the flow of exhaust gas and increase the flow path of exhaust gas in the pipe, thereby improving the muffler effect. In addition, the L-shaped design can also prevent the exhaust gas from blowing directly to the user, further improving the safety and comfort of use.

[0013] Preferably, a filter is fixedly connected inside the muffler pipe, a muffler core is fixedly connected at the other end of the muffler pipe, and muffler cotton is fixedly connected below the muffler core. The filter can filter out impurities and particulate matter in the exhaust gas to prevent them from entering the muffler pipe and affecting the muffler effect and service life. The muffler core and the muffler cotton can further reduce the noise of the exhaust gas and improve the muffler effect.

[0014] Preferably, a handle is fixedly connected to the left side of the chain saw, and the handle is provided with anti-skid patterns, so that the handle is convenient for the user to hold and operate the chain saw, thereby improving the convenience and safety of use. The anti-skid pattern design can increase the friction of the handle surface, prevent the occurrence of slipping due to sweating or oily hands during use, and ensure that the user can stably control the chain saw.

[0015] Preferably, there are two cylinders, whose output ends are connected to the two ends of the upper surface of the connecting plate. The design of the two cylinders can provide a more stable and balanced driving force, ensuring that the connecting plate can move smoothly under the drive of the cylinders.

[0016] Preferably, there are multiple saw teeth, which are fixedly connected to the lower surface of the connecting plate in a row. The design of multiple saw teeth can increase the friction between the clamping unit and the wristband, and improve the clamping effect. The arrangement of a row of saw teeth can ensure uniform force during the clamping process, avoiding the situation where the wristband is damaged or the clamping effect is poor due to excessive local pressure.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The anti-slip chainsaw can ensure that the chainsaw is stably fixed on the user's wrist during use by providing a wrist strap adjustment mechanism, especially a wrist strap fixing unit and a clamping unit, effectively preventing accidental injuries caused by the chainsaw slipping out of the user's hand, and greatly improving the safety of use.

[0019] 2. The anti-slip chainsaw effectively reduces the noise generated when the chainsaw is running by arranging a silencer pipe on the chainsaw, which not only improves the comfort of the working environment, but also reduces the impact of noise on the surrounding environment and human body. The filter net arranged inside the silencer pipe can filter out impurities and particulate matter in the exhaust gas, reducing pollution to the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall right side structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the overall left side structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the clamping structure of the utility model;

[0023] Figure 4 It is a schematic diagram of the internal structure of the silencer pipe of the utility model.

[0024] In the figure: 1 chain saw, 201 oil tank, 202 oil pipe, 203 exhaust pipe, 204 clamp, 3 grip, 401 fixing block, 402 wrist strap, 5 handle, 501 anti-slip pattern, 601 base, 602 support block, 603 placement slot 1, 604 cylinder, 605 placement slot 2, 606 connecting plate, 607 sawtooth, 7 silencer pipe, 701 filter, 702 silencer core, 703 silencer cotton. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-Figure 4The utility model provides a technical solution: an anti-slip chain saw, comprising a chain saw 1, a handle 5 is fixedly connected to the left side of the chain saw 1, which is convenient for the user to hold the chain saw 1 and perform stable operation. The handle 5 is provided with anti-slip grooves 501 to increase the friction between the user's hand and the handle, prevent slipping caused by hand sweat or oil during operation, and ensure the stability and safety of operation.

[0027] A wrist strap 402 adjustment mechanism is provided above the chain saw 1;

[0028] The wristband 402 adjustment mechanism includes a wristband 402 fixing unit and a clamping unit;

[0029] The fixing unit includes a handle 3, a fixing block 401 and a wrist strap 402. The bottom of the fixing block 401 is fixedly connected to the right side of the upper surface of the chain saw 1, and the handle 3 is fixedly connected to the middle of the upper part of the chain saw 1, providing an additional gripping point for the user, increasing the stability and comfort of the operation. One end of the wrist strap 402 is fixedly connected to the fixing block 401 through a connecting strip, providing a stable connection point for the wrist strap 402, ensuring that the wrist strap 402 can be firmly fixed to the chain saw 1. The wrist strap 402 is fixed to the user's wrist to prevent the chain saw 1 from slipping out of the hand during operation, thereby improving safety.

[0030] The clamping unit includes a base 601, a support block 602, a placement slot 1 603, a cylinder 604, a placement slot 2 605, a connecting plate 606 and a sawtooth 607. The bottom of the base 601 is fixedly connected to the left side of the upper surface of the chain saw 1, providing a stable support structure for the clamping unit. The bottom of the support block 602 is fixedly connected to the upper surface of the base 601, the placement slot 1 603 is opened on the support block 602, and the placement slot 2 605 is opened on the base 601, which are used to place the cylinder 604 and the connecting plate 606 respectively, ensuring the compactness and stability of the structure. The cylinder 604 is arranged on the top surface of the inner side of the placement slot 1 603, and the output end of the cylinder 604 passes through the base 601 and is connected to the upper surface of the connecting plate 606. There are two cylinders 604, and their output ends are connected to the two ends of the upper surface of the connecting plate 606. Through their telescopic function, the up and down movement of the connecting plate 606 is controlled, and then the contact state of the sawtooth 607 and the wristband 402 is controlled, so as to realize the rapid clamping and loosening of the wristband 402. The saw teeth 607 are fixedly connected to the lower surface of the connecting plate 606. There are multiple saw teeth 607, which are fixedly connected to the lower surface of the connecting plate 606 in a row. Through the close contact between the multiple saw teeth 607 and the wrist strap 402, the wrist strap 402 is firmly clamped to prevent the chain saw 1 from slipping out of the hand.

[0031] An oil tank 201 is fixedly connected above the chain saw 1, an oil pipe 202 is fixedly connected to the right side of the oil tank 201, an exhaust pipe 203 is fixedly connected to the right side of the chain saw 1, and a silencer pipe 7 is connected to the right side of the exhaust pipe 203 through a clamp 204. The silencer pipe 7 is L-shaped, which better guides the flow of exhaust gas, increases the flow path of exhaust gas in the pipe, and improves the silencer effect. At the same time, it prevents the exhaust gas from blowing directly to the user, improving the safety and comfort of use. A filter net 701 is fixedly connected inside the silencer pipe 7 to filter impurities and particulate matter in the exhaust gas to prevent them from entering the silencer pipe 7 and affecting the silencer effect and service life. A silencer core 702 is fixedly connected at the other end of the silencer pipe 7, and a silencer cotton 703 is fixedly connected below the silencer core 702 to further reduce the noise of the exhaust gas, improve the silencer effect, reduce noise pollution, and provide a more comfortable working environment.

[0032] Working principle: Check whether the fuel tank 201 of the chain saw 1 has enough fuel, and ensure that other parts of the chain saw 1 are intact. At the same time, fix one end of the wrist strap 402 to the fixed block 401 through the connecting strip. Pass the other end of the wrist strap 402 through the user's wrist and adjust it to a suitable tightness. Operate the clamping unit on the chain saw 1 to shrink the cylinder 604, move the connecting plate 606 downward, and make the saw teeth 607 closely contact the wrist strap 402 to achieve the firm clamping of the wrist strap 402. At this time, the user can start to use the chain saw 1 to work. Since the wrist strap 402 is firmly clamped on the chain saw 1, it can effectively prevent the chain saw 1 from slipping out of the hand during operation. After the work is finished, operate the clamping unit on the chain saw 1 to extend the cylinder 604, move the connecting plate 606 upward, and separate the saw teeth 607 from the wrist strap 402 to release the clamping state of the wrist strap 402. Then, the user can remove the wrist strap 402 from the wrist and properly store the chain saw 1.

[0033] During use, the fuel tank 201 provides fuel to the chain saw 1 through the fuel pipe 202. The fuel enters the engine of the chain saw 1 through the fuel pipe 202 to provide power for the engine. The exhaust gas generated by the engine of the chain saw 1 is discharged through the exhaust pipe 203 and then passes through the silencer pipe 7 for silencer treatment. The filter 701 in the silencer pipe 7 filters impurities in the exhaust gas, and the silencer core 702 and the silencer cotton 703 reduce the noise of the exhaust gas through their structure and material characteristics.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A chain saw that can prevent the hand from slipping out of the hand, comprising a chain saw (1), characterized in that: A wrist strap (402) adjustment mechanism is provided above the chain saw (1); The wristband (402) adjustment mechanism comprises a wristband (402) fixing unit and a clamping unit; The fixing unit comprises a handle (3), a fixing block (401) and a wrist strap (402); the bottom of the fixing block (401) is fixedly connected to the right side of the upper surface of the chain saw (1); the handle (3) is fixedly connected to the middle part of the upper part of the chain saw (1); and one end of the wrist strap (402) is fixedly connected to the fixing block (401) via a connecting strip; The clamping unit comprises a base (601), a support block (602), a placement slot 1 (603), a cylinder (604), a placement slot 2 (605), a connecting plate (606) and a sawtooth (607). The bottom of the base (601) is fixedly connected to the left side of the upper surface of the chain saw (1). The bottom of the support block (602) is fixedly connected to the upper surface of the base (601). The placement slot 1 (603) is opened in the support block (602). The placement slot 2 (605) is opened in the base (601). The cylinder (604) is arranged on the inner top surface of the placement slot 1 (603). The output end of the cylinder (604) passes through the base (601) and is connected to the upper surface of the connecting plate (606). The sawtooth (607) is fixedly connected to the lower surface of the connecting plate (606).

2. The anti-slip chain saw according to claim 1, characterized in that: An oil tank (201) is fixedly connected above the chain saw (1), an oil pipe (202) is fixedly connected to the right side of the oil tank (201), an exhaust pipe (203) is fixedly connected to the right side of the chain saw (1), and a silencer pipe (7) is connected to the right side of the exhaust pipe (203) via a clamp (204).

3. The anti-slip chain saw according to claim 2, characterized in that: The silencer pipe (7) is L-shaped.

4. The anti-slip chain saw according to claim 2, characterized in that: A filter screen (701) is fixedly connected inside the silencer pipe (7), a silencer tube core (702) is fixedly connected at the other end inside the silencer pipe (7), and silencer cotton (703) is fixedly connected below the silencer tube core (702).

5. The anti-slip chain saw according to claim 1, characterized in that: A handle (5) is fixedly connected to the left side of the chain saw (1), and anti-slip grooves (501) are provided on the handle (5).

6. The anti-slip chain saw according to claim 1, characterized in that: There are two cylinders (604), and their output ends are connected to the two ends of the upper surface of the connecting plate (606).

7. The anti-slip chain saw according to claim 1, characterized in that: There are a plurality of saw teeth (607) which are fixedly connected to the lower surface of the connecting plate (606) in a row.

Citation Information

Patent Citations

  • Chain saw capable of preventing hands from slipping

    CN211415464U