CN216422868U

CN216422868U - Chain saw

Info

Publication number: CN216422868U
Application number: CN202123044469.XU
Authority: CN
Inventors: 赵东; 张林高
Original assignee: Globe Jiangsu Co Ltd
Current assignee: Globe Jiangsu Co Ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-05-03
Anticipated expiration: 2031-12-02

Abstract

The utility model provides a chain saw, include: the main machine comprises a machine shell, a cutter assembly and a driving motor, wherein the cutter assembly is arranged on the machine shell, and the driving motor drives the cutter assembly; a backpack battery assembly for providing energy to the host; the power line is connected with the host and the backpack type battery component; the casing includes handle portion the switch trigger is installed to the bottom of handle portion, just the switch trigger is used for triggering switch in the host computer, just the focus of host computer is located the below of switch trigger. The utility model discloses make the focus of host computer be located the vertical on-line of switch trigger afterbody to make the operator reduce tired sense.

Description

Chain saw

Technical Field

The utility model belongs to the technical field of electric tool, concretely relates to chain saw.

Background

Chain saws are often used for trimming trees to protect the growth of the trees and to green the environment, redundant branches are removed, the trunks are guaranteed to grow neatly, workers trim the trees and often need to work at high altitude for a long time, and due to the fact that the workers need to work at high altitude for a long time, the trees are inconvenient to frequently supplement energy to the ground, and therefore the long-term cruising ability is needed.

Some of the commercially available models use gasoline as an energy source, and the models are heavy due to the complex structure of the engine and the limited gasoline capacity which can be filled once, so that the cruising ability is short, the operator is easy to fatigue, and the working efficiency is also affected by the cruising ability. Some use a battery pack as an energy source, but when the battery weight is increased to improve the cruising ability, the main unit becomes heavy, and the operator is still easily fatigued.

SUMMERY OF THE UTILITY MODEL

The utility model provides a chain saw to improve in order to improve the duration and increase battery weight after, the host computer also becomes very heavy, the operator still very tired problem easily.

The utility model provides a chain saw, include:

the main machine comprises a machine shell, a cutter assembly and a driving motor, wherein the cutter assembly is arranged on the machine shell, and the driving motor drives the cutter assembly;

the backpack battery component is used for providing energy for the host;

the power line is connected with the host and the backpack type battery component;

the casing includes handle portion the switch trigger is installed to the bottom of handle portion, just the switch trigger is used for triggering switch in the host computer, just the focus of host computer is located the below of switch trigger.

The utility model discloses an embodiment, still include install the battery package on the backpack subassembly, be provided with power source on the casing, just the battery package pass through the power cord with power source connects.

In an embodiment of the present invention, the power source interface is located at a tail end of the host.

In an embodiment of the present invention, the host further includes:

the controller is arranged in the shell and connected with the driving motor, and the driving motor is arranged in the shell;

the braking assembly is arranged in the shell and is connected to the cutter assembly;

and the switch is arranged on the shell and is connected with the controller.

In an embodiment of the present invention, a heat sink is further installed in the casing, and the heat sink is located on a side of the controller away from the driving motor.

In an embodiment of the present invention, the cutter assembly includes:

a cutter plate, one end of which is installed on the casing;

the chain wheel is arranged on one side of the cutter plate and is connected with the driving motor;

and the chain is arranged along the circumferential direction of the cutting board and is in transmission connection with the chain wheel.

In an embodiment of the present invention, an auxiliary handle is further installed on one side of the housing, and an included angle between an axis of the auxiliary handle and a center line in the length direction of the cutting board is smaller than 90 degrees.

In an embodiment of the present invention, the cutter assembly further includes a tensioning assembly, and the tensioning assembly is mounted on the housing and connected to the cutting board.

In an embodiment of the present invention, a lubrication assembly is further installed in the casing, the lubrication assembly includes:

the oil can is arranged in the shell and internally stores lubricating engine oil;

and the oil pump is arranged in the shell and is communicated with the oil can through an oil inlet, and an oil outlet of the oil pump is positioned at a knife board hole on the knife board.

In an embodiment of the present invention, the center of gravity of the main body is located between the oil can and the driving motor.

In one embodiment of the present invention, a self-locking member is mounted on the top of the handle portion.

In an embodiment of the present invention, the casing is provided with an air inlet and an air outlet, the air inlet is located at a side of the casing, and the air outlet is located at a bottom surface of the casing.

In an embodiment of the present invention, an air guiding ring is installed on the outer ring of the driving motor, an air duct is formed between the air guiding ring and the casing, and the air outlet is communicated with the air duct.

The utility model provides a chain saw, use the battery package as driving motor's energy source, the battery package on the backpack battery pack passes through power connecting wire and is connected with the power source on the host computer, for providing the energy, the host computer is the handheld part of staff, backpack battery pack bears on the back at the staff, with the weight that alleviates handheld part, with dividing a whole set of equipment into two, make the same one-tenth of weight of its whole set of equipment two, reduce staff's handheld weight, thereby reduce fatigue, and backpack battery pack and host computer are independent individuality respectively, so that carry, simultaneously the utility model discloses make the focus of host computer be located the vertical line of switch trigger afterbody, thereby make the operator use and can reduce tired sense.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a chain saw according to the present invention.

Fig. 2 is a schematic structural view of a main frame in a chain saw according to the present invention.

Fig. 3 is a schematic diagram of an internal structure of a main frame in a chain saw according to the present invention.

Fig. 4 is a front view of the host computer of fig. 2.

Fig. 5 is a front view of the internal structure of the host computer of fig. 3.

Fig. 6 is another angle structure diagram of a chain saw according to the present invention.

Fig. 7 is a schematic structural diagram of a cutter assembly in a chain saw according to the present invention.

Description of reference numerals:

a chain saw 100; a host 10; a housing 11; a first housing 111; a second housing 112; a third housing 113; a handle portion 114; a switch trigger 1141; a back-locking element 1142; a brake handle 115; an auxiliary handle 116; a controller 12; a brake assembly 13; a switch 14; a drive motor 15; a tensioning assembly 16; an oil can 171; an oil pump 172; a backpack battery pack 20; a power supply line 201; a backpack battery holder 21; a battery pack 22; a cutter assembly 30; a cutter plate 31; a sprocket 32; a chain 33; an air inlet 1101; an air outlet 1102; an air guide ring 151; a second power interface 107.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

It should be noted that the drawings provided in the present embodiment are only for schematically illustrating the basic concept of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, amount and proportion of each component may be changed arbitrarily and the layout of the components may be more complicated.

The utility model provides a chain saw, it is specific with two parts of complete equipment divide into host computer and backpack battery pack, as shown in FIG. 1 to FIG. 7, in this embodiment, chain saw 100 includes host computer 10 and backpack battery pack 20, just in host computer 10, driving motor 15 is connected with cutter assembly 30, and passes through driving motor 15 drive cutter assembly 30 carries out work, backpack battery pack 20 with the electricity is connected between the host computer 10, backpack battery pack 20 be used for doing driving motor 15 provides the energy.

As shown in fig. 1 to 3, in this embodiment, the main machine 10 includes a machine shell 11, a controller 12, a braking component 13, a switch 14, a driving motor 15 and a cutter component 30, specifically, the driving motor 15, the controller 12, the braking component 13 and the switch 14 are all installed in the machine shell 11, and the controller 12 is connected to the driving motor 15 for controlling the driving motor 15, and the braking component is used for driving the cutter component 30 to stop rotating.

As shown in fig. 1 to fig. 3 and fig. 7, in the present embodiment, the housing 11 includes a first housing 111, a second housing 112 and a third housing 113, the first housing 111 and the second housing 112 are fixedly connected to form an accommodating cavity for accommodating and mounting the driving motor 15, the controller 12, the braking component 13 and the switch 14, a mounting groove formed by recessing the second housing 112 into the first housing 111 and a third housing 113 detachably mounted on the second housing 112 are disposed on a side wall of the second housing 112 away from the first housing 111, and the third housing 113 is snapped on the mounting groove to form a mounting cavity for fixedly accommodating the cutter component 30.

As shown in fig. 1 to 3 and 7, in this embodiment, the cutter assembly 30 includes a cutter plate 31, a sprocket 32 and a chain 33, the driving motor 15 and the chain 33 are driven by the sprocket 32, the sprocket 32 is located in a mounting cavity formed between the second housing 112 and the third housing 113 and is mounted through the mounting groove, one end of the cutter plate 31 is located in the mounting cavity and is connected to the housing 11 by a tensioning assembly 16, and the tensioning assembly 16 is used for adjusting the tightness degree of the chain 33.

As shown in fig. 1 to 3 and 7, in this embodiment, the sprocket 32 includes a sprocket disc and a sprocket, the sprocket is fixedly connected to one side of the sprocket disc, the chain 33 is arranged along the circumferential direction of the knife board 31 and is in meshing transmission with the sprocket 321, specifically, the knife board 31 is provided with a positioning groove along the circumferential direction, the transmission teeth 331 on the chain 33 are located in the positioning groove, and when the driving motor 15 drives the sprocket 32 to rotate, the chain 33 moves along the positioning groove to complete cutting. In this embodiment, a plurality of grooves are formed on the circumference of the outer surface of the sprocket wheel, and a brake steel band 131 provided with a brake assembly 13 is wound around the brake steel band 131, when a brake handle 115 is pulled, the brake steel band 131 is tightened to drive the sprocket 32 to stop rotating, and the brake handle 115 is disposed on the front end of the housing 11.

As shown in fig. 1, 2 and 4, in the present embodiment, the housing 11 is further provided with an auxiliary handle 116, specifically, the auxiliary handle 116 is obliquely disposed on the first housing 111, and an included angle between an axis L1 of the auxiliary handle 116 and a central line L2 in the length direction of the knife board 31 is smaller than 90 degrees.

As shown in fig. 1 to 4, in the present embodiment, the housing 11 further includes a handle portion 114 disposed at the top, and a switch trigger 1141 is disposed at the bottom of the handle portion 114, and the switch trigger 1141 is used for triggering the switch 14 to turn on the power supply. In addition, in this embodiment, a lubricating component is further installed in the housing 11, the lubricating component includes an oil can 171 and an oil pump 172, the oil can 171 is installed in the housing 11, lubricating engine oil is stored in the oil can 171, the oil pump 172 is installed in the housing 12 and is communicated with the oil can 171 through an oil inlet, and an oil outlet of the oil pump 172 is located at a knife board hole on the knife board 31, and is used for lubricating and cooling the cutter in the cutting process. In this embodiment, a back lock 1142 is mounted on the top of the handle portion 114 to ensure the safety of the chain saw 100 during operation. It should be noted that, in this embodiment, the center of gravity of the main unit 10 is located between the oil can 171 and the driving motor 15 and on the vertical line L3 at the tail of the switch trigger 1141.

As shown in fig. 1 to 4, in this embodiment, the casing 11 is provided with an air inlet 1101 and an air outlet 1102, specifically, the air inlet 1101 is located on a side surface of the rear portion of the casing 11, specifically, the air inlet 1101 is located on a left side of the rear portion of the casing, the air inlet is inclined downward and rearward, the air outlet 1102 is located on a bottom surface of the casing 11, specifically, directly below the driving motor, meanwhile, an air guiding ring 151 is installed on an outer ring of the driving motor 15, an air duct is formed between the air guiding ring 151 and the casing 11, and the air outlet 1103 is communicated with the air duct. It should be noted that a heat sink is further installed in the housing 11, the heat sink 23 faces the air inlet 1101, the heat sink is located on one side of the controller 12 away from the driving motor 15, and after entering the interior of the machine from the air inlet 1101, the air enters the driving motor 15 through the heat sink and the controller 12, and then is discharged from the air outlet after passing through an air duct formed between the air guide ring 151 and the housing 11, so as to achieve a heat dissipation effect on the chain saw 100. The air outlet 1102 opens downward with respect to the longitudinal direction of the chain saw.

As shown in fig. 1 to 7, in the present embodiment, the chainsaw 100 further includes a backpack battery pack 20, the backpack battery pack 20 and the main machine 10 are two separate bodies, a power cord 201 is provided between the backpack battery pack 20 and the main machine 10, and the backpack battery pack 20 provides a power source for the main machine 10. Specifically, the backpack battery assembly 20 includes a backpack battery frame 21 and a battery pack 22, the battery pack 22 is mounted on the backpack battery frame 21, a first power interface is disposed on the backpack battery frame 21, a second power interface 107 is disposed on the host 10, the second power interface 107 is substantially located at the tail of the handle 114, and the power line 201 is connected between the first power interface and the second power interface 107 to connect the host 10 and the backpack battery assembly 20 together. In this embodiment, the second power interface 107 is disposed at the rear of the housing 11. It should be noted that a dust-proof cover is further installed outside the second power interface 107 to prevent dust, moist air, liquid, and the like from entering, so as to improve the reliability of the power connector. It should be noted that in some embodiments, the rear portion of the housing 11 is provided with a plurality of hooks, so that when the operator uses the chain saw, the operator sometimes needs to saw branches at different height positions of the tree, when the operator moves the positions, the operator does not hold the machine with hands, but the machine must be carried around for use at any time, and the machine is provided with a convenient hook, so that the user can carry the machine easily in the condition.

The above description is only a preferred embodiment of the present application and the explanation of the technical principle used, and it should be understood by those skilled in the art that the scope of the present application is not limited to the technical solution of the specific combination of the above technical features, and also covers other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept, for example, the technical solutions formed by mutually replacing the above technical features (but not limited to) having similar functions disclosed in the present application.

Besides the technical features described in the specification, other technical features are known to those skilled in the art, and further description of the other technical features is omitted here in order to highlight the innovative features of the present invention.

Claims

1. A chain saw, comprising:

a backpack battery assembly for providing energy to the host;

2. The chain saw of claim 1, further comprising a battery pack mounted to the backpack assembly, wherein a power source interface is disposed on the housing, and wherein the battery pack is connected to the power source interface via a power cord.

3. The chain saw of claim 2, wherein the power interface is located at a rear end of the main machine.

4. The chain saw of claim 1, wherein the main machine further comprises:

and the switch is arranged on the shell and is connected with the controller.

5. A chain saw as set forth in claim 4 wherein a heat sink is also mounted within said housing on a side of said control remote from said drive motor.

6. The chainsaw of claim 1, wherein the cutter assembly comprises:

a cutter plate, one end of which is installed on the casing;

7. A chain saw as set forth in claim 6 wherein an auxiliary handle is further mounted on one side of the housing, the axis of the auxiliary handle being angled less than 90 degrees from the centerline of the blade in the direction of its length.

8. The chain saw of claim 6, wherein the cutter assembly further comprises a tensioning assembly mounted on the housing and coupled to the blade.

9. The chain saw as recited in claim 6, further comprising a lubrication assembly mounted within said housing, said lubrication assembly comprising:

10. The chain saw of claim 9, wherein a center of gravity of the main machine is located between the oil can and the drive motor.

11. The chain saw as recited in claim 9, wherein a top portion of the handle portion mounts a self-locking return.

12. The chain saw of claim 1, wherein the housing is provided with an air inlet and an air outlet, the air inlet being located on a side surface of the housing, and the air outlet being located on a bottom surface of the housing.

13. The chain saw as recited in claim 12, wherein an air guide ring is mounted on an outer ring of the driving motor, an air duct is formed between the air guide ring and the housing, and the air outlet is communicated with the air duct.