Lithium battery brushless chain saw

Abstract

The utility model discloses a lithium battery brushless chain saw, which relates to the technical field of brushless chain saws, and comprises a driving main shell, the lower surface of a handheld part is fixedly connected with a lithium battery socket, and the two side surfaces, close to the driving main shell, of the handheld part are respectively provided and connected with a switch button and a locking button. The output end of the brushless motor is fixedly connected to the transmission end of one end of the driving mechanism, the transmission end of the other end of the driving mechanism is fixedly connected with a chain saw driving disc, and the outer portion of the center of the chain saw driving disc is in meshed transmission connection with a chain saw chain. The outer surface, located at the position of the adjusting disc, of the adjusting roller is provided with an adjusting spiral face in threaded connection transmission with the adjusting groove, and an automatic oil pumping mechanism capable of providing lubrication for the driving mechanism and the chain saw chain is fixedly installed in the side, away from the driving mechanism shell, of the driving main shell. And a visible oil can window is formed in the outer surface, located on the automatic oil pumping mechanism, of the driving main shell, and the effects that the service life is prolonged, and flexible adjustment and excellent use practicability are ensured are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of brushless chain saws, in particular to a lithium-powered brushless chain saw. Background Art

[0002] A common electric chain saw includes a guide plate cover, a guide plate and a chain. A motor is arranged in the guide plate cover. The rear end of the guide plate is arranged in the guide plate cover so as to be movable forward and backward. The rear end of the chain is connected to the power of the motor, and the front end of the chain is wrapped around the front end of the guide plate. That is, when the motor is working, it can drive the chain to rotate, thereby sawing trees and the like.

[0003] Most of the current lithium-ion brushless chain saws use traditional brushed motors, which have the characteristics of fast starting, timely braking, smooth speed regulation over a wide range, and relatively simple control circuits. However, the service life of brushed motors is relatively short, which invisibly increases the cost of use. Secondly, existing brushless chain saws are not only unable to adjust the tension used for sawing, but also unable to automatically lubricate the brushless chain saw and the internal drive mechanism, and the user cannot know the usage and remaining amount of the oil can from the outside, thereby reducing the user's experience of use. Utility Model Content

[0004] The purpose of the utility model is to provide a lithium-electric brushless chain saw, which solves the technical problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lithium-powered brushless chain saw, comprising a driving main housing, a hand-held portion is fixedly mounted and connected to one side of the driving main housing, a lithium-powered socket is fixedly connected to the lower surface of the hand-held portion, a switch button and a lock button are respectively mounted and connected to the two side surfaces of the hand-held portion close to the driving main housing, and a fixed handle frame is mounted and connected between the two side outer surfaces of the driving main housing away from the hand-held portion;

[0006] A brushless motor is fixedly installed inside the side of the driving main housing close to the handheld part, a driving mechanism housing is fixedly installed inside the side of the driving main housing away from the brushless motor, a driving mechanism is installed inside the driving mechanism housing, an output end of the brushless motor is fixedly connected to a transmission end at one end of the driving mechanism, and a chain saw driving disk is fixedly connected to the other transmission end of the driving mechanism, a chain saw chain is meshed and driven in the center of the chain saw driving disk, a chain saw guide plate for stable transmission is connected to the internal transmission of the chain saw chain, an adjustment disk is fixedly connected to the surface of one side of the chain saw guide plate, and a transverse adjustment groove is formed through the surfaces of the chain saw guide plate and the adjustment disk, an adjustment knob is fixedly installed on the surface of one side of the driving main housing, an adjustment rotating end of the adjustment knob is fixedly connected to an adjustment roller that penetrates and transmits in the adjustment groove, and an adjustment screw surface that is threadedly connected and transmitted with the adjustment groove is formed on the outer surface of the adjustment roller located at the adjustment disk position;

[0007] An automatic oil pumping mechanism for providing lubrication for the drive mechanism and the chain saw chain is fixedly installed inside the main drive housing on one side away from the drive mechanism housing, and a visible oil pot window is installed on the external surface of the main drive housing located at the automatic oil pumping mechanism.

[0008] Optionally, the driving mechanism includes a pinion gear fixedly connected to the output end of the brushless motor, the pinion gear has teeth meshingly connected to a center gear, the center gear has teeth meshingly connected to a driving gear plate, the center surface of the driving gear plate is fixedly connected to a transmission shaft, and the transmission shaft is fixedly connected to a transmission end on one side of the chain saw drive plate.

[0009] Optionally, a transmission groove is provided on a central surface of the outer portion of the chain saw guide plate, and the chain saw chain is transmission-connected inside the transmission groove.

[0010] Optionally, the other ends of the chain saw chain and the chain saw guide plate extend to the outside of the main driving housing, and the outer surfaces of the chain saw chain and the chain saw guide plate located outside are covered with protective covers.

[0011] Optionally, both side surfaces of the protective sleeve are provided with inwardly recessed grooves, and the inwardly recessed angles of the recessed grooves gradually decrease.

[0012] Optionally, a feed port is provided on the surface of the oil pot of the automatic oil pumping mechanism, which penetrates through the outer surface of the driving main housing, and an oil pot cover is twistedly connected to the feed port.

[0013] Optionally, the upper surface of the driving main housing located between the fixed handle frame and the chain saw chain is rotatably connected to a rotating handle, the fixed handle frame is located directly above the driving main housing in a straight vertical state, and the fixed handle frame is located at the oil bottle window in an oblique vertical state.

[0014] Optionally, the outer surfaces of the fixed handle frame in the straight vertical state and the oblique vertical state are both fitted and wrapped with anti-slip sleeves.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] 1. The brushless motor used in the main housing of the utility model effectively ensures strong output power, which can easily cope with various operational challenges, from fruit tree pruning to bamboo felling, to sawing and chopping wood, making work more efficient and convenient; and with high-quality chain saw guides and chainsaw chains, the service life of the lithium-powered brushless chain saw can be greatly extended, thereby ensuring the smooth progress of sawing work.

[0017] 2. The utility model adopts an adjusting roller of an adjusting knob to adjust the tension of an adjusting disk, so that the operator can rotate the adjusting knob outside the main housing according to the tensioning needs of use, and the adjusting knob drives the adjusting roller to rotate within the adjusting groove of the chain saw guide plate, and the adjusting roller located inside the adjusting groove of the adjusting disk will rotate due to the driving of the adjusting knob, so that the adjusting screw surface of the adjusting roller and the adjusting groove of the adjusting disk perform corresponding thread adjustment transmission, and the adjusting roller drives the adjusting disk and the chain saw guide plate to move, thereby achieving the purpose of tensioning and adjusting the chain saw chain driven by the chain saw guide plate, and the tightness of the chain saw chain can be quickly adjusted without tools, thereby improving the excellent use effect of flexible tension adjustment.

[0018] 3. The utility model utilizes an automatic oil pump mechanism installed inside the main driving housing to effectively ensure sufficient oil. The user can concentrate on work without worrying about the oil level, and can improve the lubrication effect of the driving mechanism and the chain saw chain. The visual oil pot window design is convenient and easy to use, allowing the operator to grasp the oil level at a glance, ensuring the excellent use effect of the lithium-powered brushless chain saw. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is the front view of the structure of the utility model;

[0020] Figure 2 It is a rear view of the structure of the utility model;

[0021] Figure 3 The internal structure of the partial structure of the utility model Figure 1 ;

[0022] Figure 4The internal structure of the partial structure of the utility model Figure 2 ;

[0023] Figure 5 For this utility model Figure 4 A magnified schematic diagram of the structure in the middle.

[0024] In the figure: 1-driving main housing, 2-handle, 3-lithium battery socket, 4-switch button, 5-lock button, 6-fixed handle frame, 7-rotating handle, 8-anti-slip cover, 9-brushless motor, 10-driving mechanism housing, 11-pinion, 12-center gear, 13-driving gear plate, 14-chain saw driving plate, 15-chain saw guide plate, 16-adjusting groove, 17-chain saw chain, 18-transmission groove, 19-adjusting disk, 20-adjusting knob, 21-adjusting roller, 22-adjusting screw surface, 23-protective cover, 24-depressed groove, 25-automatic oil pumping mechanism, 26-feeding port, 27-oil pot cover, 28-oil pot window. 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] Embodiment 1:

[0027] See also Figures 1 to 5 The utility model provides a technical solution: a lithium-powered brushless chain saw, comprising a driving main housing 1, a hand-held portion 2 is fixedly mounted and connected to one side of the driving main housing 1, a lithium-powered socket 3 is fixedly connected to the lower surface of the hand-held portion 2, a switch button 4 and a lock button 5 are respectively mounted and connected to the two side surfaces of the hand-held portion 2 close to the driving main housing 1, and a fixed handle frame 6 is mounted and connected between the two side outer surfaces of the driving main housing 1 away from the hand-held portion 2;

[0028] A brushless motor 9 is fixedly installed inside the driving main housing 1 on one side close to the handheld part 2, a driving mechanism housing 10 is fixedly installed inside the driving main housing 1 on one side away from the brushless motor 9, a driving mechanism is installed inside the driving mechanism housing 10, an output end of the brushless motor 9 is fixedly connected to a transmission end at one end of the driving mechanism, a chain saw driving disc 14 is fixedly connected to the other transmission end of the driving mechanism, a chain saw chain 17 is meshed and driven in the center of the chain saw driving disc 14, a chain saw guide plate 15 for stable transmission is connected to the internal transmission of the chain saw chain 17, a circle of the outer side of the chain saw guide plate 15 is connected to the chain saw guide plate 15 A transmission groove 18 is provided on the surface of the core, and the chain saw chain 17 is transmission-connected inside the transmission groove 18. An adjustment disk 19 is fixedly connected to one side surface of the chain saw guide plate 15. The surfaces of the chain saw guide plate 15 and the adjustment disk 19 are penetrated with a transverse adjustment groove 16. An adjustment knob 20 is fixedly installed on the side surface of the driving main housing 1 away from the locking button 5. An adjustment rotating end of the adjustment knob 20 is fixedly connected with an adjustment roller 21 that penetrates and transmits in the adjustment groove 16, and an adjustment screw surface 22 that is threadedly connected and transmitted with the adjustment groove 16 is provided on the outer surface of the adjustment roller 21 located at the position of the adjustment disk 19;

[0029] An automatic oil pumping mechanism 25 for providing lubrication for the drive mechanism and the chain saw chain 17 is fixedly installed inside the driving main housing 1 on one side away from the driving mechanism housing 10; a visible oil pot window 28 is installed on the outer surface of the automatic oil pumping mechanism 25 of the driving main housing 1; the oil pot surface of the automatic oil pumping mechanism 25 extends through the outer surface of the driving main housing 1 to form a feed port 26, and an oil pot cover 27 is twistedly connected to the feed port 26.

[0030] More specifically, in this embodiment, the operator can connect the lithium battery pack to the lithium battery socket 3, and then rotate the adjustment knob 20 on the outside of the main housing 1 according to the tensioning needs. The adjustment knob 20 drives the adjustment roller 21 to rotate within the adjustment slot 16 of the chain saw guide 15, and the adjustment roller 21 located inside the adjustment slot 16 of the adjustment disk 19 will rotate due to the driving of the adjustment knob 20, so that the adjustment screw surface 22 of the adjustment roller 21 and the adjustment slot 16 of the adjustment disk 19 perform corresponding thread adjustment transmission, and the adjustment roller 21 drives the adjustment disk 19 and the chain saw guide 15 to move, so as to achieve the purpose of tensioning and adjusting the chain saw chain 17 driven by the chain saw guide 15, and the tightness of the chain saw chain 17 can be quickly adjusted without tools, thereby improving the excellent use effect of flexible tension adjustment. Then, hold the handheld part 2, press the switch button 4, start the brushless motor 9 inside the driving main shell 1, press the lock button 5 to lock the drive to prevent accidental touch, and the output shaft of the brushless motor 9 drives the driving mechanism inside the driving mechanism shell 10 to drive and rotate, and the driving mechanism drives the chain saw driving disk 14 to drive and rotate, and the chain saw driving disk 14 drives the chain saw chain 17 to saw, and the brushless motor 9 used in the driving main shell 1 effectively ensures strong output power, which can easily cope with various operational challenges, from fruit tree pruning to bamboo felling, to sawing wood and chopping firewood, all of which can be easily competent, making work more efficient and convenient; and with high-quality chain saw guide plate 15 and chain saw chain 17, the service life of the lithium-powered brushless chain saw can be greatly extended, thereby ensuring the smooth progress of sawing work.

[0031] By utilizing the automatic oil pump mechanism 25 installed inside the main drive housing 1, sufficient oil can be effectively ensured, so that the user can concentrate on work without worrying about the oil level problem, and the lubrication effect of the drive mechanism and the chain saw chain 17 can be improved. The visual oil pot window 28 design is convenient and easy to use, allowing the operator to understand the oil level at a glance, ensuring the excellent use effect of the lithium-powered brushless chain saw. When the operator observes that the oil level in the oil pot window 28 is insufficient, the oil pot cover 27 can be turned away and the oil can be replenished through the feed port 26.

[0032] Furthermore, the driving mechanism includes a pinion 11 fixedly connected to the output end of the brushless motor 9, the teeth of the pinion 11 are meshingly connected to the center gear 12, the teeth of the center gear 12 are meshingly connected to the driving gear plate 13, the central surface of the driving gear plate 13 is fixedly connected to the transmission shaft, and the transmission shaft is fixedly connected to the transmission end on one side of the chain saw driving plate 14.

[0033] It is worth noting that the output end of the brushless motor 9 drives the pinion 11 to rotate, and the teeth of the pinion 11 mesh with the teeth of the center gear 12 for transmission. At the same time, the teeth of the center gear 12 also mesh with the driving gear plate 13 for transmission. The transmission shaft of the driving gear plate 13 drives the chain saw drive plate 14 to rotate. A plurality of meshing transmission mechanisms are provided to ensure stable and reliable driving of the chain saw drive plate 14.

[0034] Embodiment 2, based on the above embodiment:

[0035] Furthermore, the other ends of the chain saw chain 17 and the chain saw guide plate 15 extend to the outside of the driving main housing 1, and the outer surfaces of the chain saw chain 17 and the chain saw guide plate 15 located outside are covered with a protective sleeve 23, and the two side surfaces of the protective sleeve 23 are provided with inwardly recessed grooves 24, and the inward recessed angle of the recessed grooves 24 gradually decreases.

[0036] More specifically, in this embodiment, when the brushless chain saw is not needed, the protective cover 23 can be installed on the chain saw chain 17 and the chain saw guide plate 15 for protection, which not only avoids accidental scratches on people, but also has the purpose of dust protection. The recessed groove 24 with a gradually decreasing inward angle makes it easier for the operator to remove the protective cover 23 with the help of the recessed groove 24.

[0037] Furthermore, the upper surface of the driving main housing 1 located between the fixed handle frame 6 and the chain saw chain 17 is rotatably connected to a rotating handle 7. The fixed handle frame 6 is located directly above the driving main housing 1 in a straight vertical state, and the fixed handle frame 6 is located at the oil bottle window 28 in an oblique vertical state. The outer surfaces of the fixed handle frame 6 in the straight vertical state and the oblique vertical state are both fitted and wrapped with an anti-slip sleeve 8.

[0038] It is worth noting that during the sawing process, the operator holds the fixed handle frame 6 with one hand and the rotating handle 7 with the other hand. The fixed handle frame 6 provides a stable force for sawing, and the rotating handle 7 can drive the brushless chain saw to change the sawing angle. The anti-slip sleeve 8 can further provide anti-slip protection.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lithium-powered brushless chain saw, comprising a driving main housing (1), characterized in that: A hand-held portion (2) is fixedly mounted and connected to one side of the main driving housing (1); A brushless motor (9) is fixedly installed inside the side of the driving main housing (1) close to the handheld part (2), a driving mechanism housing (10) is fixedly installed inside the side of the driving main housing (1) away from the brushless motor (9), a driving mechanism is installed inside the driving mechanism housing (10), an output end of the brushless motor (9) is fixedly connected to a transmission end of one end of the driving mechanism, and a chain saw driving disk (14) is fixedly connected to the other transmission end of the driving mechanism, the center of the chain saw driving disk (14) is meshed and transmission-connected to a chain saw chain (17), and the internal transmission connection of the chain saw chain (17) is for A chain saw guide plate (15) with stable transmission, wherein an adjustment disk (19) is fixedly connected to one side surface of the chain saw guide plate (15), and a transverse adjustment groove (16) is provided through the surfaces of the chain saw guide plate (15) and the adjustment disk (19), and an adjustment knob (20) is fixedly installed on one side surface of the driving main housing (1), and an adjustment rotating end of the adjustment knob (20) is fixedly connected to an adjustment roller (21) that penetrates and transmits in the adjustment groove (16), and an adjustment screw surface (22) that is threadedly connected and transmitted with the adjustment groove (16) is provided on the outer surface of the adjustment roller (21) at the position of the adjustment disk (19); An automatic oil pump mechanism (25) capable of providing lubrication for the drive mechanism and the chain saw chain (17) is fixedly installed inside the main drive housing (1) on a side away from the drive mechanism housing (10), and a visible oil pot window (28) is installed on the external surface of the main drive housing (1) located on the automatic oil pump mechanism (25).

2. A lithium-powered brushless chain saw according to claim 1, characterized in that: The lower surface of the handheld portion (2) is fixedly connected to a lithium battery socket (3); the two side surfaces of the handheld portion (2) close to the main driving housing (1) are respectively connected to a switch button (4) and a lock button (5); and a fixed handle frame (6) is connected between the two side outer surfaces of the main driving housing (1) away from the handheld portion (2).

3. The lithium-powered brushless chain saw according to claim 1, characterized in that: The driving mechanism comprises a pinion (11) fixedly connected to the output end of the brushless motor (9), the pinion (11) is meshingly connected to a central gear (12), the central gear (12) is meshingly connected to a driving gear plate (13), the central surface of the driving gear plate (13) is fixedly connected to a transmission shaft, and the transmission shaft is fixedly connected to a transmission end on one side of the chain saw driving plate (14).

4. The lithium-powered brushless chain saw according to claim 1, characterized in that: A transmission groove (18) is provided on a central surface of the outer periphery of the chain saw guide plate (15), and the chain saw chain (17) is transmission-connected inside the transmission groove (18).

5. The lithium-powered brushless chain saw according to claim 1, characterized in that: The other ends of the chain saw chain (17) and the chain saw guide plate (15) extend to the outside of the main driving housing (1), and the outer surfaces of the chain saw chain (17) and the chain saw guide plate (15) located outside are covered with a protective sleeve (23).

6. A lithium-electric brushless chain saw according to claim 5, characterized in that: Inwardly recessed grooves (24) are provided on both side surfaces of the protective sleeve (23), and the inwardly recessed angle of the recessed grooves (24) gradually decreases.

7. The lithium-powered brushless chain saw according to claim 1, characterized in that: The surface of the oil pot of the automatic oil pump mechanism (25) penetrates through the outer surface of the main driving housing (1) and is provided with a feed port (26), and an oil pot cover (27) is twistedly connected inside the feed port (26).

8. The lithium-electric brushless chain saw according to claim 2, characterized in that: The upper surface of the driving main housing (1) located between the fixed handle frame (6) and the chain saw chain (17) is rotatably connected to a rotating handle (7); the fixed handle frame (6) is located directly above the driving main housing (1) in a straight vertical state; and the fixed handle frame (6) is located at the oil pot window (28) in an oblique vertical state.

9. A lithium-electric brushless chain saw according to claim 8, characterized in that: The outer surface of the fixed handle frame (6) in the straight vertical state and the oblique vertical state is both fitted and wrapped with an anti-slip sleeve (8).

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