Brushless electric saw capable of working in narrow space

Abstract

The utility model discloses a brushless electric saw capable of working in a narrow space. The brushless electric saw comprises a handle, a motor and a guide plate, a side frame is arranged at one end of the handle, and a protective shell is arranged on the outer side of the side frame. The motor is arranged on one side of the side frame; the output end of the motor is connected with a rotating shaft; the electric saw is compact in overall structure and can flexibly work in a narrow and narrow space where conventional electric saws are difficult to apply, a user can easily reach and conduct cutting tasks by means of the small and flexible figure of the electric saw no matter in operation scenes such as narrow pipeline gaps and corners, the use range of the electric saw is greatly expanded, and the electric saw is suitable for popularization and application. The working efficiency is improved, and construction obstacles caused by space limitation are reduced; according to the brushless electric saw, automatic and precise lubrication is achieved through the built-in lubricating mechanism, the brushless electric saw can replenish lubricating oil for a cutting chain and a gear piece in time according to requirements in the working process, the working continuity is improved, and the working efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of brushless chainsaw technology, specifically a brushless chainsaw that can work in confined spaces. Background Technology

[0002] A chainsaw is a cutting tool powered by electricity, used to cut wood, stone, steel, etc. It has sharp teeth on the edge; it comes in fixed and handheld types, and the saw blade is generally made of tool steel and comes in various shapes such as round, strip, and chain.

[0003] In existing technologies, traditional chainsaws are typically large and not compact in structure. Their handle designs lack specific consideration for working in confined spaces. When facing narrow pipe gaps or building corners, their bulky bodies struggle to reach the work area, hindering operator maneuverability and severely limiting their application scenarios. Furthermore, traditional chainsaws largely rely on manual lubrication of the cutting chain and gears. Operators need to periodically stop the machine and manually apply lubricant to the meshing parts of the chain and gears. This method is labor-intensive and lacks timeliness and precision in lubrication. Without timely lubrication replenishment, the chain and gears easily overheat due to friction, accelerating wear and causing frequent component failures. This not only shortens the chainsaw's lifespan and increases maintenance costs and the frequency of parts replacement but also leads to unstable power transmission during operation, causing jamming and power loss, severely impacting cutting results and work quality. Therefore, we have introduced a brushless chainsaw that can operate in confined spaces. Utility Model Content

[0004] The purpose of this invention is to provide a brushless chainsaw that can operate in confined spaces, in order to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a brushless electric saw that can work in confined spaces, comprising: a handle, a motor, and a guide plate;

[0006] One end of the handle is provided with a side frame, and a protective shell is provided on the outer side of the side frame. The protective shell can be connected to the outer side of the side frame by snap-fit ​​or bolt.

[0007] The motor is located on one side of the side frame and is bolted to the side of the side frame. The output end of the motor is connected to a rotating shaft, which extends into the interior of the side frame. Gear components are provided on the surface of the rotating shaft, and the rotation of the rotating shaft can drive the gear components to rotate.

[0008] The guide plate is located inside the side frame. A cutting chain is provided on the surface of the guide plate, and one end of the cutting chain is sleeved on the surface of the gear component. The rotation of the gear component can drive the cutting chain to rotate.

[0009] The side frame is equipped with a lubrication mechanism. The cylinder of the lubrication mechanism drives the pressure plate to squeeze the oil-absorbing sponge so that the lubricating oil flows between the cutting chain and the gear components to form lubrication.

[0010] Preferably, the lubrication mechanism includes a slot inside the side frame, the slot and the side frame being integrally formed, a cylinder connected to the inner top wall of the slot by bolts, a pressure plate connected inside the slot and connected to the output end of the cylinder, an oil-absorbing sponge connected inside the slot at the bottom of the pressure plate, an oil outlet pipe connected to the bottom of the slot, and the oil outlet pipe being located at the top of the cutting chain and gear components. The cylinder receives a control signal and extends, pushing the pressure plate to squeeze the oil-absorbing sponge. Under pressure, lubricating oil drips through the oil outlet pipe to the meshing point of the cutting chain and gear components, forming a lubricating film, reducing friction and wear, and extending the service life of the components.

[0011] Preferably, an oil inlet pipe is connected to one side of the empty slot. The oil inlet pipe passes through the side frame and is connected to a valve. When the valve is opened, the oil inlet pipe connected to one side of the empty slot can introduce external lubricating oil into the empty slot, and the lubricating oil is fully absorbed and stored by the oil-absorbing sponge.

[0012] Preferably, a locking block is connected to the bottom of the handle, and a battery is locked to the bottom of the locking block, with the battery being detachably connected to the bottom of the locking block.

[0013] Preferably, a safety switch is connected to the surface of the handle, and a power switch is connected to the side of the handle. The safety switch on the surface of the handle and the power switch on the side work together. The safety switch can prevent accidental activation, and the power switch can only be activated under specific operation conditions to ensure operational safety.

[0014] Preferably, an arc-shaped protective plate is connected to one side of the handle, and the arc-shaped protective plate is bolted to the surface of the handle.

[0015] Preferably, the side frame is internally connected to a positioning post, which is fixedly connected to the side frame. The guide plate has a positioning groove on its surface for sliding the positioning post, and the positioning groove and the guide plate are integrally formed.

[0016] Preferably, a baffle is connected to one side of the side frame. The baffle is bolted to the surface of the side frame and is convenient for blocking wood chips.

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

[0018] (1) With its compact overall structure and handle design, it is easy for users to hold and operate. It can work flexibly in some narrow and cramped spaces where conventional chainsaws are difficult to operate. Whether it is a narrow pipe gap, corner or other work scene, users can easily reach and carry out cutting tasks with its small and flexible body, which greatly expands the scope of use of chainsaws, improves work efficiency, and reduces construction obstacles caused by space limitations.

[0019] (2) The built-in lubrication mechanism realizes automated and precise lubrication. The brushless electric saw can replenish the cutting chain and gears with lubricating oil as needed during the working process. On the one hand, it ensures that the chain and gears are always in good lubrication condition, reducing the damage of parts and power loss caused by friction overheating and severe wear, and extending the overall life of the equipment. On the other hand, the automated lubrication does not require operators to frequently stop the machine for maintenance. The continuous and efficient lubrication enables the electric saw to run stably for a long time, improves the continuity of work and improves the work efficiency.

[0020] (3) The safety switch on the handle provides double protection. The user must hold the handle correctly and press the power switch at the same time to trigger the safety switch for the chainsaw to start. This effectively avoids accidental injury caused by accidental contact and ensures the personal safety of the operator. In addition, the arc-shaped protective plate connected to one side of the handle can block flying debris during the cutting process and prevent debris from flying towards the user's face, body and other parts, further reducing the risk of injury. The baffle connected to one side of the side frame also plays a similar protective role, shielding the area around the cutting area and making the cutting operation safer and more reliable. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of this utility model;

[0022] Figure 2 This is a structural diagram of the present invention when disassembled;

[0023] Figure 3 This is a schematic diagram of the side section of the side frame of this utility model.

[0024] In the diagram: 1. Battery; 2. Locking block; 3. Handle; 4. Safety switch; 5. Power switch; 6. Arc-shaped protective plate; 7. Protective shell; 8. Baffle; 9. Guide plate; 10. Cutting chain; 11. Gear; 12. Shaft; 13. Positioning groove; 14. Positioning pin; 15. Motor; 16. Side frame; 17. Empty groove; 18. Pressure plate; 19. Oil-absorbing sponge; 20. Oil outlet pipe; 21. Oil inlet pipe; 22. Cylinder. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figure 1-3 This utility model provides a technical solution: a brushless electric saw that can work in a confined space, including: a handle 3, one end of the handle 3 is provided with a side frame 16, and the outer side of the side frame 16 is provided with a protective shell 7 respectively;

[0027] Motor 15, the motor 15 is disposed on one side of side frame 16, the output end of the motor 15 is connected to a rotating shaft 12, the rotating shaft 12 extends into the interior of side frame 16, and a gear component 11 is provided on the surface of rotating shaft 12;

[0028] Guide plate 9 is disposed inside the side frame 16. A cutting chain 10 is disposed on the surface of the guide plate 9, and one end of the cutting chain 10 is sleeved on the surface of the gear component 11.

[0029] The side frame 16 is equipped with a lubrication mechanism. The cylinder 22 of the lubrication mechanism drives the pressure plate 18 to squeeze the oil-absorbing sponge 19 so that the lubricating oil flows between the cutting chain 10 and the gear 11 to form lubrication.

[0030] The lubrication mechanism includes a slot 17 formed inside the side frame 16. The slot 17 and the side frame 16 are integrally formed. The cylinder 22 is connected to the inner top wall of the slot 17 by bolts. The pressure plate 18 is connected inside the slot 17 and to the output end of the cylinder 22. The oil-absorbing sponge 19 is connected inside the slot 17 and located at the bottom of the pressure plate 18. The bottom of the slot 17 is connected to an oil outlet pipe 20, which is located at the top of the cutting chain 10 and the gear component 11. The cylinder 22 receives a control signal and extends to push the pressure plate 18 to squeeze the oil-absorbing sponge 19. Under pressure, the lubricating oil drips through the oil outlet pipe 20 to the meshing point of the cutting chain 10 and the gear component 11, forming a lubricating film, reducing friction and wear, and extending the service life of the components.

[0031] One side of the empty slot 17 is connected to an oil inlet pipe 21. The oil inlet pipe 21 passes through the side frame 16 and is connected to a valve. When the valve is opened, the oil inlet pipe 21 connected to one side of the empty slot 17 can introduce external lubricating oil into the empty slot 17. The lubricating oil is fully absorbed and stored by the oil-absorbing sponge 19.

[0032] The bottom of the handle 3 is connected to a locking block 2, and the bottom of the locking block 2 is fitted with a battery 1, which is detachably connected to the bottom of the locking block 2.

[0033] A safety switch 4 is connected to the surface of the handle 3, and a power switch 5 is connected to the side of the handle 3. The safety switch 4 on the surface of the handle 3 and the power switch 5 on the side work together. The safety switch 4 can prevent accidental contact, and the power switch 5 can only be activated under specific operation conditions to ensure operational safety.

[0034] An arc-shaped protective plate 6 is connected to one side of the handle 3, and the arc-shaped protective plate 6 is bolted to the surface of the handle 3.

[0035] The side frame 16 is internally connected to a positioning post 14, which is fixedly installed between the positioning post 14 and the side frame 16. The guide plate 9 has a positioning groove 13 on its surface for sliding the positioning post 14, and the positioning groove 13 and the guide plate 9 are integrally formed.

[0036] A baffle 8 is connected to one side of the side frame 16. The baffle 8 is bolted to the surface of the side frame 16 and is convenient for blocking wood chips.

[0037] Specifically, during use, the operator turns on the safety switch 4, which prevents accidental contact and ensures operational safety. When the user presses the power switch 5 on the side of the handle 3, the battery 1 supplies power to the motor 15 (the battery 1 is securely connected to the bottom of the handle 3 via the clip 2 to ensure stable power transmission). The motor 15 starts and drives the shaft 12 at its output end to rotate at high speed. The gear 11 on the surface of the shaft 12 rotates together with the shaft 12. Since one end of the cutting chain 10 is fitted on the surface of the gear 11, the rotation of the gear 11 drives the cutting chain 10 to circulate on the surface of the guide plate 9 by means of friction. The cutting chain 10 moves at high speed, thus having a powerful cutting ability and can perform cutting operations on the target material.

[0038] The guide plate 9 slides into the positioning post 14 connected inside the side frame 16 through the positioning groove 13 on its surface. This precise positioning structure ensures that the guide plate 9 is stably installed inside the side frame 16, and also ensures that the cutting chain 10 maintains the correct trajectory during operation, without any deviation or jamming that would affect the cutting effect.

[0039] The lubrication mechanism plays a crucial protective role during the operation of the chainsaw. After the chainsaw has been running for a period of time, in order to ensure the smooth operation of the cutting chain 10 and gear 11 and reduce wear, the lubrication mechanism starts to work. When the valve is opened, the oil inlet pipe 21 connected to one side of the slot 17 can introduce external lubricating oil into the slot 17. The lubricating oil is fully absorbed and stored by the oil-absorbing sponge 19. Subsequently, when lubrication is needed, the cylinder 22 is activated, and its output end drives the pressure plate 18 to move downward. The pressure plate 18 applies pressure to the oil-absorbing sponge 19, and the lubricating oil in the squeezed oil-absorbing sponge 19 flows out through the oil outlet pipe 20 connected to the bottom of the slot 17. The oil outlet pipe 20 is located at the top of the cutting chain 10 and gear 11, so that the lubricating oil can be accurately dripped onto the meshing parts of the chain and gear, forming a continuous and effective lubricating film, reducing the coefficient of friction, extending the service life of the components, and ensuring the efficient operation of the cutting work.

[0040] With its compact overall structure and handle 3 design, the chainsaw is easy for users to grip and operate, enabling flexible operation in confined spaces where conventional chainsaws are difficult to maneuver. Whether it is a narrow pipe gap, corner or other work scenario, users can easily reach and perform cutting tasks with its small and flexible size, greatly expanding the range of applications of the chainsaw, improving work efficiency, and reducing construction obstacles caused by space limitations.

[0041] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A brushless chainsaw capable of operating in confined spaces, characterized in that, include: A handle (3) is provided with a side frame (16) at one end of the handle (3), and a protective shell (7) is provided on the outer side of the side frame (16). Motor (15), the motor (15) is disposed on one side of the side frame (16), the output end of the motor (15) is connected to a rotating shaft (12), the rotating shaft (12) extends into the interior of the side frame (16), and a gear (11) is provided on the surface of the rotating shaft (12). Guide plate (9), the guide plate (9) is disposed on the inner side of the side frame (16), the surface of the guide plate (9) is provided with a cutting chain (10), and one end of the cutting chain (10) is sleeved on the surface of the gear component (11); The side frame (16) is equipped with a lubrication mechanism. The cylinder (22) of the lubrication mechanism drives the pressure plate (18) to squeeze the oil-absorbing sponge (19) so that the lubricating oil flows into the cutting chain (10) and the gear (11) to form lubrication.

2. The brushless electric saw capable of operating in confined spaces according to claim 1, characterized in that, The lubrication mechanism includes a slot (17) inside the side frame (16), the cylinder (22) is connected to the inner top wall of the slot (17), the pressure plate (18) is connected inside the slot (17) and connected to the output end of the cylinder (22), the oil-absorbing sponge (19) is connected inside the slot (17) and located at the bottom of the pressure plate (18), the bottom of the slot (17) is connected to an oil outlet pipe (20), and the oil outlet pipe (20) is located at the top of the cutting chain (10) and the gear (11).

3. A brushless electric saw capable of operating in confined spaces according to claim 2, characterized in that, One side of the empty slot (17) is connected to an oil inlet pipe (21), and the oil inlet pipe (21) passes through the side frame (16) and is connected to a valve.

4. A brushless electric saw capable of operating in confined spaces according to claim 1, characterized in that, The bottom of the handle (3) is connected to a locking block (2), and the bottom of the locking block (2) is fitted with a battery (1).

5. A brushless electric saw capable of operating in confined spaces according to claim 1, characterized in that, A safety switch (4) is connected to the surface of the handle (3), and a power switch (5) is connected to the side of the handle (3).

6. A brushless electric saw capable of operating in confined spaces according to claim 1, characterized in that, An arc-shaped protective plate (6) is connected to one side of the handle (3).

7. A brushless chainsaw capable of operating in confined spaces according to claim 1, characterized in that, The side frame (16) is internally connected to a positioning post (14), and the surface of the guide plate (9) is provided with a positioning groove (13) for sliding the positioning post (14).

8. A brushless electric saw capable of operating in confined spaces according to claim 1, characterized in that, A baffle (8) is connected to one side of the side frame (16).

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