CN219404602U - Chain saw - Google Patents

Abstract

The utility model relates to a chain saw, which comprises a shell, a guide plate arranged on the shell and a chain sleeved on the guide plate, wherein the shell comprises a first shell and a second shell connected with the first shell, the first shell and the second shell are mutually connected with each other by opposite bisection surfaces, the longitudinal rear end of the guide plate is arranged in the first shell, the chain saw comprises an oil storage device at least partially arranged in the second shell, one side of the second shell far away from the bisection surfaces is provided with a window for a user to observe the residual oil quantity in the oil storage device, and the guide plate and the window are respectively positioned at two opposite sides of the bisection surfaces; the chain saw is including installing to the lighting device in at least one in first shell and the second shell, and the light that lighting device sent is at least partly illuminated to the baffle and is kept away from the baffle towards the surrounding radiation of second shell, and part in the light that lighting device sent is penetrated the oil storage device from the inside of second shell and is penetrated the back from the window and shoot to the convenience of customers also can in time learn the surplus oil mass in the work scene that light is dark.

Description

Chain saw

[ field of technology ]

The utility model relates to a chain saw, in particular to a chain saw capable of timely observing residual oil quantity.

[ background Art ]

A chain saw is a garden tool, and generally includes a housing, a guide plate extending longitudinally out of the housing, and a chain that is sleeved on the guide plate and slides along the outer periphery of the guide plate to perform a cutting function. In order to avoid chain wear, chain saws typically carry an oil tank for storing lubricating oil to lubricate the chain, avoiding the chain wear from seriously affecting cutting performance.

With the increasing use of chain saw, because weather or other reasons, the user often needs to operate in dim scene or night, and insufficient light leads to user's operation degree of difficulty to promote by a wide margin. Accordingly, existing chain saws typically provide one or more LED lights on the front of the housing to provide illumination. However, the LED lamp is usually located at one side of the fuel tank and other structures are often disposed between the LED lamp and the fuel tank, and a user cannot observe the residual fuel in the fuel tank in time, so that the problem that the cutting performance is affected due to insufficient fuel is caused.

In view of the above, it is desirable to provide an improved chain saw that overcomes the shortcomings of the prior art.

[ utility model ]

Aiming at the defects of the prior art, the utility model aims to provide a chain saw capable of timely observing the residual oil quantity.

The utility model solves the problems in the prior art by adopting the following technical scheme: the chain saw comprises a shell, a guide plate and a chain, wherein the guide plate is installed on the shell and longitudinally extends out of the front end of the shell, the chain is sleeved on the guide plate, the shell comprises a first shell for installing the guide plate and a second shell connected with the first shell, the first shell and the second shell are mutually connected with each other by a bisecting surface opposite to each other, the longitudinal rear end of the guide plate is installed in the first shell, the chain saw comprises an oil storage device at least partially installed in the second shell, a window for a user to observe residual oil in the oil storage device is formed in one side, away from the bisecting surface, of the second shell, and the guide plate and the window are respectively positioned on two opposite sides of the bisecting surface; the chain saw comprises a lighting device mounted to at least one of the first housing and the second housing, wherein light rays emitted by the lighting device at least partially irradiate towards the guide plate and far away from the guide plate towards the periphery of the second housing, and part of the light rays emitted by the lighting device penetrate through the oil storage device from the inside of the second housing and then are emitted from the window.

The further improvement scheme is as follows: the lighting device is mounted in the second housing and is at least partially located directly above the oil storage device in a vertical direction perpendicular to the longitudinal direction.

The further improvement scheme is as follows: the lighting device is arranged between the first shell and the second shell and symmetrically arranged relative to the bisecting plane, and is at least partially positioned above the guide plate in the vertical direction perpendicular to the longitudinal direction.

The further improvement scheme is as follows: the lighting device comprises a control board, a light-emitting element arranged on the control board and a light-transmitting cover connected with the control board, wherein one side of the control board provided with the light-emitting element is arranged in a downward inclined mode so that light rays emitted by the light-emitting element penetrate through the light-transmitting cover to face the guide plate and the oil storage device.

The further improvement scheme is as follows: the light-transmitting cover comprises a front end part which is parallel to the front end surface of the shell and a connecting part which extends longitudinally and backwards from the front end part, and the control panel is connected to the connecting part and an included angle between the control panel and the front end part is set to be an acute angle.

The further improvement scheme is as follows: the window is a rectangular hole penetrating through the second shell, and the rectangular hole is arranged at the corner of the longitudinal front end of the second shell.

The further improvement scheme is as follows: the chain saw comprises a main handle and an auxiliary handle, wherein the main handle is formed or connected to the rear end of the shell in the longitudinal direction, the auxiliary handle is arranged in front of the main handle in the longitudinal direction, and the lighting device is positioned in front of the auxiliary handle in the longitudinal direction.

The further improvement scheme is as follows: the main handle is provided with a main holding area for holding by a user and an operation area positioned at the longitudinal front end of the main holding area, the chain saw further comprises a control switch for controlling the lighting device, and the control switch is arranged in the operation area so that the user can hold the main holding area by one hand and simultaneously trigger the control switch positioned in the operation area forwards.

The further improvement scheme is as follows: the auxiliary handle is provided with an auxiliary holding area for holding by a user, the shell is provided with a control switch for controlling the lighting device, and the control switch is positioned below the auxiliary holding area in the vertical direction perpendicular to the longitudinal direction so that the user can hold the auxiliary holding area by one hand and simultaneously trigger the control switch downwards.

The further improvement scheme is as follows: the window is located in front of the auxiliary handle and below the lighting device in a vertical direction perpendicular to the longitudinal direction.

Compared with the prior art, the utility model has the following beneficial effects: through setting up lighting device on at least one in first shell and second shell to be equipped with the window that is used for observing surplus oil mass in the one side that the second shell is close to the user, make at least part in the light that lighting device sent follow the window of second shell after the oil storage device is passed to the inside of second shell and jet out, convenience of customers also can know surplus oil mass in time in the darker environment of light, thereby avoid influencing cutting performance.

[ description of the drawings ]

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings:

FIG. 1 is a schematic view of the overall structure of a chain saw according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic view of another angle of the chain saw of FIG. 1;

FIG. 3 is an enlarged view of a portion of the chain saw of FIG. 1 with the oil tank removed;

FIG. 4 is a partial cross-sectional view of the chainsaw of FIG. 1 at a lighting device;

FIG. 5 is an enlarged view of a portion of the chain saw of FIG. 1 with a second housing removed;

fig. 6 is a split view of the illumination device of the chainsaw of fig. 1.

Meaning of reference numerals in the drawings:

chain saw 100 housing 10

First housing 11 second housing 12

Through-hole 121 window 122

Main handle 13 Main grip region 131

The operating region 132 assists the handle 14

Safety switch 16 of start switch 15

Control switch 17 guide plate 20

Chain 30 battery pack 40

Oil pot 51 of oil storage device 50

Lighting device 60 of pot lid 52

Control board 61 clamping tongue 611

Light-transmitting cover 63 of light-emitting element 62

Front end 631 connection 632

Fastening slot 634 of fixing part 633

Bisecting plane 101

[ detailed description ] of the utility model

The utility model will be described in further detail with reference to the drawings and embodiments.

The terminology used in the present utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The words such as "upper", "lower", "front", "rear", "left", "right", etc., indicating an azimuth or a positional relationship are merely based on the azimuth or the positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, and do not indicate or imply that the devices/elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

Referring to fig. 1 and 2, an embodiment of the present utility model relates to a chain saw 100, which includes a housing 10, a guide plate 20 mounted on the housing 10 and extending at least partially longitudinally beyond the front end of the housing 10, and a chain 30 sleeved on the outer periphery of the guide plate 20. The chain saw 100 includes a drive assembly (not shown) disposed within the housing 10 and a battery pack 40 removably mounted to the housing 10. The battery pack 40 supplies power to the driving assembly, which drives the chain 30 to rotate along the outer circumference of the guide plate 20, thereby performing a cutting operation.

The housing 10 includes a first housing 11 and a second housing 12 connected to the first housing 11, and the first housing 11 and the second housing 12 are symmetrically disposed with respect to a bisecting plane 101. The guide plate 20 is mounted at its longitudinal rear end in the first housing 11 and is arranged parallel to the bisecting plane 101. The first housing 11 and the second housing 12 are assembled to form a housing 10 accommodating the drive assembly.

The longitudinal rear end of the housing 10 is integrally formed with a main handle 13 for a user to grasp, but the main handle 13 may be detachably connected to the housing 10. The housing 10 is formed with a mount for mounting the battery pack 40, to which the battery pack 40 is detachably mounted, under the main handle 13. The longitudinal front end of the housing 10 is integrally formed with an auxiliary handle 14 for the user to hold, however, the auxiliary handle 14 may be detachably connected to the housing 10. The auxiliary handle 14 extends around the circumference of the first and second cases 11 and 12 and forms a space for a user to hold between it and the case 10. The auxiliary handle 14 is located in front of the main handle 13 in the longitudinal direction, and since the chain saw 100 is relatively heavy throughout the machine, by providing two handles at the front and rear ends of the housing 10, respectively, a user can hold with both hands during operation, avoiding fatigue caused by long-time operation of the machine.

The chainsaw 100 includes a start switch 15 for starting the drive assembly and a safety switch 16 mechanically coupled to the start switch 15, the start switch 15 being located on the underside of the main handle 13 and the safety switch 16 being located on the side of the main handle 13. The main handle 13 is provided with a main grip region 131 for a user to grip and an operation region 132 located at the longitudinal front end of the main grip region 131, the start switch 15 is located in the main grip region 131, and the safety switch 16 is located in the operation region 132. The distance between the operating area 132 and the main holding area 131 is set to be equal to or less than the thumb length of a general user, so that the thumb can extend into the operating area 132 to operate the safety switch 16 after the user holds the main holding area 131 with four fingers, thereby realizing the function of one-hand operation.

As shown in connection with fig. 2 and 3, the chain saw 100 includes an oil reservoir 50 at least partially mounted within the second housing 12, the oil reservoir 50 including an oil can 51 for a user to store lubricating oil for lubricating the chain 30 and a can cover 52 removably coupled to the oil can 51. The second housing 12 is provided with a through opening 121 through which the pot lid 52 passes. The oilcan 51 is entirely made of a light-transmitting material. The side of the second housing 12 remote from the bisecting plane 101 is provided with a window 122 exposing a portion of the oil can 51, the window 122 being provided at a corner of the longitudinal front end of the second housing 12 and inclined toward the user for the user to observe the remaining oil amount in the oil reservoir 50. The window 122 is provided as a rectangular hole penetrating the inside and outside of the second housing 12, and has two sides longer than the other two sides in the vertical direction perpendicular to the longitudinal direction.

The longitudinal rear end of the guide plate 20 is fixed in the first housing 11, the oil storage device 50 and the window 122 are arranged in the second housing 12, so that the guide plate 20 and the window 122 are respectively positioned on two opposite sides of the bisecting plane 101, a user stands on one side of the second housing 12 to operate the chain saw 100, the side far away from the guide plate 20 is far away from the guide plate 20, the safety of the user is improved, and the position of the window 122 enables the user to observe the residual oil quantity in the oil storage device 50 more conveniently.

The chainsaw 100 further comprises a lighting device 60 mounted to at least one of the first housing 11 and the second housing 12, in particular the lighting device 60 may be mounted between the first housing 11, the second housing 12 or the first housing 11 and the second housing 12. The light emitted by the lighting device 60 irradiates at least partially to the side of the guide plate 20 close to the bisecting plane 101 and irradiates towards the periphery of the second housing 12 away from the guide plate 20, wherein part of the light emitted by the lighting device 60 passes through the oil storage device 50 from the inside of the second housing 12 and then is emitted from the window 122, so that a user can know the residual oil quantity in time in a dark environment, and the cutting performance is prevented from being influenced.

The structure and mounting position of the lighting device 60 will be described in detail below with reference to fig. 4-6.

In the present embodiment, the lighting device 60 is installed between the first housing 11 and the second housing 12 and symmetrically disposed with respect to the bisecting plane 101, and the lighting device 60 is at least partially located above the guide plate 20 in the vertical direction, so that the cutting area can be illuminated in all aspects, and the user's sight is prevented from being blocked to affect the cutting.

The lighting device 60 includes a control board 61 electrically connected to the battery pack 40, a light emitting element 62 provided on the control board 61, and a light-transmitting cover 63 connected to the control board 61. The light-transmitting cover 63 is entirely made of a light-transmitting material. The light-transmitting cover 63 is mounted to the longitudinal front end of the housing 10. The translucent cover 63 includes a front end portion 631 disposed parallel to the front end of the housing 10, a connection portion 632 extending longitudinally rearward from the front end portion 631, and a fixing portion 633 extending circumferentially from between the front end portion 631 and the connection portion 632. The fixing portion 633 is snapped with the first housing 11 and the second housing 12, thereby fixing the lighting device 60 between the first housing 11 and the second housing 12.

As shown in fig. 4 and 6, in a transverse direction perpendicular to the longitudinal direction, two opposite connecting portions 632 are respectively provided with a clamping groove 634, and two lateral sides of the control board 61 are provided with clamping tongues 611 which are matched with the clamping grooves 634, so as to connect the control board 61 to the connecting portions 632. The longitudinal rear end of the connection portion 632 is disposed obliquely such that the angle between the front end portion 631 of the light-transmitting cover 63 and the control board 61 is set to an acute angle. The side of the control board 61 provided with the light emitting element 62 is disposed obliquely downward so that the light emitted from the light emitting element 62 is projected toward the guide plate 20 and the oil reservoir 50 through the front end portion 631 and the connection portion 632 of the light-transmitting cover 63.

The lighting device 60 is located longitudinally in front of the auxiliary handle 14, and the window 122 is also located longitudinally in front of the auxiliary handle 14 and vertically below the lighting device 60, so that a portion of the light emitted by the lighting device 60 can pass through the oil can 51 from the space inside the second housing 12 and project out of the window 122, thus allowing a user to directly observe the amount of oil in the oil can 51 in a relatively dim working scene.

Referring to fig. 1, the chain saw 100 further includes a control switch 17 electrically connected to the control board 61 to control the lighting device 60, the control switch 17 being disposed in an operation area 132 at the top of the main handle 13 such that a user can press the trigger control switch 17 forward while holding the main control area of the main handle 13 with one hand, thereby turning on or off the lighting device 60 as appropriate, or adjusting the light intensity.

Of course, the lighting device 60 may be installed directly in the second housing 12 and at least partially located directly above the oil storage device 50 in the vertical direction, instead of being installed between the first housing 11 and the second housing 12, so long as it is possible to achieve that a part of light is projected from the inside of the housing 10 to the window 122 while the workpiece is being cut by the lighting. In addition, in the above embodiment, the control switch 17 is disposed in the operation area 132 of the main handle 13, but in other embodiments, the control switch 17 may be disposed on the housing 10 below the auxiliary holding area 141 of the auxiliary handle 14, and the distance between the auxiliary holding area 141 and the housing 10 is smaller than the finger length of a general user, so that the control switch 17 may be triggered downward when the user holds the auxiliary handle 14 with one hand.

The present utility model is not limited to the above-described embodiments. Those skilled in the art will readily appreciate that many other alternatives are possible for the garden tool of the present utility model without departing from the spirit and scope of the present utility model. The protection scope of the present utility model is subject to the claims.

Claims (10)

1. The chain saw comprises a shell, a guide plate and a chain, wherein the guide plate is installed on the shell and longitudinally extends out of the front end of the shell, the chain is sleeved on the guide plate, the shell comprises a first shell for installing the guide plate and a second shell connected with the first shell, the first shell and the second shell are mutually connected with each other by a bisecting surface opposite to each other, the longitudinal rear end of the guide plate is installed in the first shell, the chain saw comprises an oil storage device at least partially installed in the second shell, a window for a user to observe residual oil in the oil storage device is formed in one side, away from the bisecting surface, of the second shell, and the guide plate and the window are respectively positioned on two opposite sides of the bisecting surface; wherein the chain saw comprises a lighting device mounted to at least one of the first housing and the second housing, wherein light emitted by the lighting device at least partially irradiates the guide plate and irradiates the surroundings of the second housing away from the guide plate, wherein part of the light emitted by the lighting device passes through the oil storage device from the inside of the second housing and then is emitted from the window.

2. The chain saw as set forth in claim 1, wherein: the lighting device is mounted in the second housing and is at least partially located directly above the oil storage device in a vertical direction perpendicular to the longitudinal direction.

3. The chain saw as set forth in claim 1, wherein: the lighting device is arranged between the first shell and the second shell and symmetrically arranged relative to the bisecting plane, and is at least partially positioned above the guide plate in the vertical direction perpendicular to the longitudinal direction.

4. A chain saw according to claim 2 or 3, wherein: the lighting device comprises a control board, a light-emitting element arranged on the control board and a light-transmitting cover connected with the control board, wherein one side of the control board provided with the light-emitting element is arranged in a downward inclined mode so that light rays emitted by the light-emitting element penetrate through the light-transmitting cover to face the guide plate and the oil storage device.

5. The chain saw as set forth in claim 4, wherein: the light-transmitting cover comprises a front end part which is parallel to the front end surface of the shell and a connecting part which extends longitudinally and backwards from the front end part, and the control panel is connected to the connecting part and an included angle between the control panel and the front end part is set to be an acute angle.

6. The chain saw as set forth in claim 5, wherein: the window is a rectangular hole penetrating through the second shell, and the rectangular hole is arranged at the corner of the longitudinal front end of the second shell.

7. The chain saw as set forth in claim 1, wherein: the chain saw comprises a main handle and an auxiliary handle, wherein the main handle is formed or connected to the rear end of the shell in the longitudinal direction, the auxiliary handle is arranged in front of the main handle in the longitudinal direction, and the lighting device is positioned in front of the auxiliary handle in the longitudinal direction.

8. The chain saw as in claim 7, wherein: the main handle is provided with a main holding area for holding by a user and an operation area positioned at the longitudinal front end of the main holding area, the chain saw further comprises a control switch for controlling the lighting device, and the control switch is arranged in the operation area so that the user can hold the main holding area by one hand and simultaneously trigger the control switch positioned in the operation area forwards.

9. The chain saw as in claim 7, wherein: the auxiliary handle is provided with an auxiliary holding area for holding by a user, the shell is provided with a control switch for controlling the lighting device, and the control switch is positioned below the auxiliary holding area in the vertical direction perpendicular to the longitudinal direction so that the user can hold the auxiliary holding area by one hand and simultaneously trigger the control switch downwards.

10. The chain saw as recited in claim 8 or 9, wherein: the window is located in front of the auxiliary handle and below the lighting device in a vertical direction perpendicular to the longitudinal direction.