Lithium battery high-power chain saw with good safety performance

By designing a movable protective device on the lithium battery chainsaw, and utilizing a combination of protective steel rings and adjustable parts, the problem of injury to operators from flying debris has been solved, thus improving safety and adaptability.

CN224234391UActive Publication Date: 2026-05-15ZHEJIANG HUANGJIA ELECTRIC CO LTD
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Patent Information

Application Number
CN202520932107.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-13
Publication Date
2026-05-15
Estimated Expiration
2035-05-13

AI Technical Summary

Technical Problem

Existing lithium-ion chainsaws can easily cause injury to operators due to flying wood chips and debris during the cutting process, and the protective devices are not flexible in adjustment, so the safety performance needs to be improved.

Method used

A high-power lithium-ion battery chainsaw with a movable protective device was designed. The movable protective device consists of a protective component and an adjusting component. The protective component provides safety protection through a protective steel ring, a limit frame, and a limit head. The adjusting component achieves flexible adjustment of the protective range through the cooperation of gears and racks and sliding bars and sliding grooves.

Benefits of technology

It effectively blocks flying debris during the cutting process, improving operator safety, and the protective range can be flexibly adjusted according to different cutting scenarios, enhancing the adaptability and safety of the chainsaw.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the field of electric tools, and particularly relates to a lithium battery high-power chain saw with good safety performance, which comprises a main body, a movable protective device is arranged on one side of the main body, and the movable protective device comprises a protective part for protective operation and an adjusting part for protective adjustment; the protective part comprises two movable rods, a plurality of protective steel rings are fixedly mounted at the tops of the movable rods, limiting frames are fixedly mounted on the two sides of each protective steel ring, the bottoms of the two limiting frames are fixedly mounted at the tops of the movable rods correspondingly, and protective plates are fixedly mounted at the tops of the movable rods correspondingly; the protective steel ring at the top of the movable rod can effectively block splashed wood chips and sundries in the cutting process, the limiting frame and the supporting plate guarantee stable installation of the protective steel ring, the limiting head prevents the movable rod from moving excessively, the safety protection function on operators is achieved, the problem that the splashed wood chips and sundries are prone to hurting the operators is solved, and the safety of the operators is improved. And the safety of chain saw operation is improved.
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Description

Technical Field

[0001] This utility model relates to the field of power tools, specifically a high-power lithium-ion chainsaw with good safety performance. Background Technology

[0002] The lithium-ion battery high-power chainsaw is a high-efficiency cutting tool powered by lithium batteries, designed specifically for professional logging, garden maintenance, and heavy timber processing. Through its core configuration of a high-energy-density battery and brushless motor, combined with a precision transmission and safety protection system, it achieves a performance breakthrough compared to traditional fuel-powered chainsaws, while also offering advantages such as environmental friendliness, quiet operation, and portability.

[0003] Chinese Patent No. CN202421456171.0 discloses a wide-voltage lithium-ion battery chainsaw, including a body and chain links connected to the body. The characteristic feature is that a baffle is fixedly connected to the body above the chain links. A heat sink is rotatably connected to each of the two free ends of the baffle. The heat sink has several mounting slots, and a fan is fixedly connected within each mounting slot. A gap exists between the heat sink and the chain links. A control board is fixedly connected to the side wall of the heat sink away from the chain links. The baffle has a groove for embedding the control board. When the control board is located within the groove, the gap widens and the fan shuts off.

[0004] As can be seen from the above, the fan can start after the chain links separate from the cutting material. This design makes the fan heat dissipation more timely and further improves the heat dissipation effect. However, this case still has the following shortcomings: traditional chainsaws are mostly fuel-powered, which has the problems of high pollution and high noise. While existing lithium battery chainsaws are environmentally friendly, they still have shortcomings in terms of safety protection. Wood chips and debris flying during the cutting process can easily cause injury to operators. At the same time, the adjustment flexibility of existing protective devices is insufficient, resulting in the need to improve safety performance.

[0005] Therefore, a high-power lithium-ion battery chainsaw with good safety performance is proposed to address the above problems. Utility Model Content

[0006] To address the shortcomings of existing technologies, such as the potential for injury to operators from flying sawdust and debris, this invention proposes a high-power lithium-ion battery chainsaw with superior safety performance.

[0007] The technical solution adopted by this utility model to solve its technical problem is as follows: The high-power lithium battery chainsaw with good safety performance of this utility model includes a main body, and a movable protective device is provided on one side of the main body. The movable protective device includes a protective component for protective operation and an adjusting component for protective adjustment. The protective component includes two movable rods. Several protective steel rings are fixedly installed on the top of the movable rods. Limit frames are fixedly installed on both sides of the several protective steel rings. The bottom of the two limit frames are fixedly installed on the top of the movable rods, and protective plates are fixedly installed on the top of the movable rods. One side of the two protective plates is fixedly installed on one end of the limit frame, and a limit head is fixedly installed on one end of the two movable rods.

[0008] Preferably, the main body includes a casing, and a power supply slot is provided on the other side of the casing, through which a high-capacity battery cell is movably installed.

[0009] Preferably, a rear handle is fixedly installed on one side of the body, front handles are fixedly installed on both sides of the body, a metal guide plate is fixedly installed at the output end of the body, and a high-strength alloy chain is meshed around the metal guide plate.

[0010] Preferably, the adjusting component includes two support plates, each with a sliding groove on one side, and a sliding strip is movably mounted through the sliding groove. The two sliding strips are respectively fixedly mounted on one side of the movable rod.

[0011] Preferably, the adjusting component further includes a small motor, the output end of which is fixedly mounted with a gear, the top of which is meshed with a rack, and the rack is fixedly mounted on the bottom of the movable rod.

[0012] Preferably, connecting blocks are fixedly installed on both sides of the machine body, and sliding grooves are fixedly installed on one side of each of the two connecting blocks.

[0013] The advantages of this utility model are:

[0014] 1. Through the structural design of the protective components, the protective steel ring at the top of the movable rod can effectively block the flying wood chips and debris during the cutting process. The limit frame and support plate ensure the stable installation of the protective steel ring, and the limit head prevents the movable rod from moving excessively, thus realizing the safety protection function for the operator, solving the problem that flying wood chips and debris can easily cause injury to the operator, and improving the safety of chainsaw operation.

[0015] 2. This utility model, through the structural design of the adjusting component, and the cooperation of gears and racks and sliding bars and sliding grooves, allows for flexible adjustment of the position of the movable rod according to different cutting scenarios, thereby adjusting the protection range of the protective steel ring. This realizes the flexible adjustment function of the protective device, solves the problem of inflexible adjustment of existing protective devices, and improves the adaptability of chainsaws in different working environments. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is an exploded view of the overall structure of this utility model;

[0019] Figure 3 This is an exploded view of the structure of the active protective device of this utility model;

[0020] Figure 4 This utility model Figure 3 Enlarged schematic diagram of the structure at point A in the middle;

[0021] Figure 5 This is a schematic diagram of the main structure of this utility model.

[0022] In the diagram: 1. Main body; 2. Active protective device; 3. Protective component; 4. Adjustable component; 11. Body; 12. Power supply slot; 13. High-capacity battery cell; 14. Rear grip; 15. Front grip; 16. Metal guide plate; 17. High-strength alloy chain; 21. Movable rod; 22. Limiting frame; 23. Protective steel ring; 24. Protective plate; 25. Limiting head; 26. Sliding bar; 27. Rack; 28. Gear; 29. ​​Support plate; 31. Sliding groove; 32. Connecting block; 33. Small motor. Detailed Implementation

[0023] 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 scope of protection of the present utility model.

[0024] Please see Figures 1-5 As shown, a high-power lithium-ion battery chainsaw with good safety performance includes a main body 1. A movable protective device 2 is provided on one side of the main body 1. The movable protective device 2 includes a protective component 3 for protective operation and an adjusting component 4 for protective adjustment. The protective component 3 includes two movable rods 21. Several protective steel rings 23 are fixedly installed on the top of the movable rods 21. Limiting frames 22 are fixedly installed on both sides of the several protective steel rings 23. The bottom of the two limiting frames 22 are fixedly installed on the top of the movable rods 21, and protective plates 24 are fixedly installed on the top of the movable rods 21. One side of the two protective plates 24 is fixedly installed on one end of the limiting frame 22. Limiting heads 25 are fixedly installed on one end of the two movable rods 21.

[0025] During operation, the protective steel ring 23 can effectively block the spatter generated during the cutting process. The limit frame 22 and the protective plate 24 ensure the stability of the protective steel ring 23. The limit head 25 can limit the movement of the movable rod 21 during the adjustment process, preventing the protective steel ring 23 from touching other structures and causing motion interference when the movable rod 21 is in motion.

[0026] Furthermore, the main body 1 includes a fuselage 11, and a power supply slot 12 is provided on the other side of the fuselage 11, through which a high-capacity battery cell 13 is movably installed;

[0027] During operation, the high-capacity battery cell 13 is installed in the power supply slot 12 to provide power to the chainsaw motor.

[0028] Furthermore, a rear grip 14 is fixedly installed on one side of the fuselage 11, a front grip 15 is fixedly installed on both sides of the fuselage 11, a metal guide plate 16 is fixedly installed at the output end of the fuselage 11, and a high-strength alloy chain 17 is meshed around the metal guide plate 16.

[0029] During operation, the operator holds the front handle 15 and the rear handle 14 with both hands respectively. After starting the chainsaw, the motor drives the high-strength alloy chain 17 to rotate at high speed on the metal guide plate 16 to achieve the cutting operation.

[0030] Furthermore, the adjusting component 4 includes two support plates 29, each with a sliding groove 31 on one side, and a sliding bar 26 is movably installed through the sliding groove 31. The two sliding bars 26 are respectively fixedly installed on one side of the movable rod 21.

[0031] During operation, the sliding bar 26 slides within the sliding groove 31, causing the movable rod 21 to move along the support plate 29, thereby adjusting the position of the protective component 3.

[0032] Furthermore, the adjusting component 4 also includes a small motor 33, the output end of which is fixedly mounted with a gear 28, the top of which is meshed with a rack 27, and the rack 27 is fixedly mounted on the bottom of the movable rod 21.

[0033] During operation, the small motor 33 drives the gear 28 at the output end to rotate. The meshing transmission between the gear 28 and the rack 27 drives the movable rod 21 to move up and down, thereby adjusting the height of the protective part 3. The operation is simple and the adjustment is stable.

[0034] Furthermore, connecting blocks 32 are fixedly installed on both sides of the fuselage 11, and sliding grooves 31 are fixedly installed on one side of each of the two connecting blocks 32.

[0035] During operation, the connecting block 32 fixes the adjusting piece 4 to both sides of the machine body 11, and the sliding groove 31 provides a sliding track for the sliding strip 26, ensuring a stable connection and flexible adjustment between the movable protective device 2 and the machine body 11.

[0036] Working principle: When the protective device needs to be adjusted, the small motor 33 drives the gear 28 at the output end to rotate. The gear 28 drives the rack 27 to move, thereby moving the movable rod 21 up and down along the sliding groove 31 to adjust the height and position of the protective steel ring 23 to adapt to different cutting scenarios. The high-capacity battery 13 provides sufficient power to the chainsaw, driving the high-strength alloy chain 17 to run at high speed for cutting operations. The front handle 15 and the rear handle 14 facilitate the operator's stable control of the machine body 11. The protective steel ring 23 effectively blocks flying debris, ensuring the safety of the operator. During the entire operation, the movable protective device 2 can be flexibly adjusted according to the needs, improving the safety and adaptability of the chainsaw.

[0037] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A high-power lithium-ion battery chainsaw with good safety performance, comprising a main body (1), characterized in that: A movable protective device (2) is provided on one side of the main body (1). The movable protective device (2) includes a protective component (3) for protective operation and an adjusting component (4) for protective adjustment. The protective component (3) includes two movable rods (21). Several protective steel rings (23) are fixedly installed on the top of the movable rods (21). Limiting frames (22) are fixedly installed on both sides of the several protective steel rings (23). The bottoms of the two limiting frames (22) are fixedly installed on the top of the movable rods (21). Protective plates (24) are fixedly installed on the top of the movable rods (21). One side of the two protective plates (24) is fixedly installed on one end of the limiting frame (22). Limiting heads (25) are fixedly installed on one end of the two movable rods (21).

2. The high-power lithium-ion battery chainsaw with good safety performance according to claim 1, characterized in that: The main body (1) includes a body (11), and a power supply slot (12) is provided on the other side of the body (11), and a high-capacity battery cell (13) is movably installed through the power supply slot (12).

3. A high-power lithium-ion battery chainsaw with good safety performance according to claim 2, characterized in that: A rear grip (14) is fixedly installed on one side of the body (11), and a front grip (15) is fixedly installed on both sides of the body (11). A metal guide plate (16) is fixedly installed at the output end of the body (11), and a high-strength alloy chain (17) is meshed around the metal guide plate (16).

4. A high-power lithium-ion battery chainsaw with good safety performance according to claim 3, characterized in that: The adjusting component (4) includes two support plates (29). Each of the two support plates (29) has a sliding groove (31) on one side, and a sliding bar (26) is movably installed through the sliding groove (31). The two sliding bars (26) are respectively fixedly installed on one side of the movable rod (21).

5. A high-power lithium-ion battery chainsaw with good safety performance according to claim 4, characterized in that: The adjusting component (4) also includes a small motor (33), the output end of which is fixedly mounted with a gear (28), the top of which is meshed with a rack (27), and the rack (27) is fixedly mounted on the bottom of the movable rod (21).

6. A high-power lithium-ion battery chainsaw with good safety performance according to claim 5, characterized in that: Connecting blocks (32) are fixedly installed on both sides of the body (11), and sliding grooves (31) are fixedly installed on one side of each of the two connecting blocks (32).