Electric chain saw capable of improving safety

Abstract

The utility model discloses an electric chain saw capable of improving safety, and relates to the technical field of electric chain saws. The device comprises a shell, a safety mechanism is arranged at the upper end of the shell, a motor is arranged on one side of the shell, a saw blade is arranged on one side of the shell, the safety mechanism comprises a baffle, a clamping block is fixedly arranged on the outer surface of the baffle, a rotating plate is arranged in the baffle, and a rotating clamping plate is rotationally arranged on one side of the rotating plate. A reset rod is rotatably arranged on the inner surface of the rotating clamping plate, a reset spring is arranged on the outer surface of the reset rod in a sleeved mode, and an emergency stop switch matched with the clamping block for use is arranged in the shell. Through the safety mechanism, the electric chain saw can be automatically stopped when abnormity occurs, and then the safety of the electric chain saw is improved; and through the positioning bolts, the cutting distance of the electric chain saw can be adjusted, the saw chain can be conveniently replaced, and therefore the purpose of improving the use experience of the electric chain saw is achieved.

Description

Technical Field

[0001] The present application relates to the technical field of electric chain saws, and in particular to an electric chain saw with improved safety. Background Art

[0002] An electric chain saw is a woodworking power tool that uses a rotating chain saw blade for sawing. It is mainly used in wood processing fields such as felling, chipping or trimming. The electric chain saw drives the chain to rotate through an electric motor and uses the teeth on the chain to generate cutting force, achieving efficient and precise cutting of objects.

[0003] After checking the announcement number: CN207983554U, an electric chain saw is disclosed. This technology discloses "including a casing, a motor fixedly connected to the casing, the motor fixedly connected to a sprocket, a chain meshed on the sprocket, an oil tank for storing oil and a hard oil outlet pipe are provided on the casing, the oil outlet pipe is slidably connected to the bottom of the oil tank and extends to the middle of the oil tank, the oil tank has an oil inlet hole, the sprocket is connected to a transmission device that drives the oil outlet pipe to reciprocate up and down as the sprocket rotates, the transmission device includes a rotating column and a rotating rod, the rotating column is fixedly connected to the sprocket, and the rotating column is parallel to the axis of the sprocket, the end of the rotating column away from the sprocket is hinged to the rotating rod, and the end of the rotating rod away from the rotating column is hinged to the oil outlet pipe, etc. The technical solution has the technical effect that when the electric chain saw is working, the oil tank can supply oil to the chain in real time, reducing the possibility of the chain heating due to lack of oil, etc."

[0004] With respect to the above-mentioned related technologies, the inventors believe that most of the electric chain saws in the prior art have poor safety when in use, which makes the electric chain saws prone to danger when in use. Moreover, most of the electric chain saws in the prior art have poor user experience when in use, which makes the electric chain saws have low working efficiency when in use. Utility Model Content

[0005] The purpose of the present application is to provide an electric chain saw with improved safety, so as to improve the problems of poor safety and poor user experience of most electric chain saws.

[0006] The electric chain saw provided in this application to improve safety adopts the following technical solutions:

[0007] An electric chain saw with improved safety includes a shell, a safety mechanism is provided at the upper end of the shell, a motor is provided on one side of the shell, a saw blade is provided on one side of the shell, the safety mechanism includes a baffle, a clamping block is fixedly provided on the outer surface of the baffle, a rotating plate is provided inside the baffle, a rotating clamping plate is rotatably provided on one side of the rotating plate, a reset rod is rotatably provided on the inner surface of the rotating clamping plate, a reset spring is sleeved on the outer surface of the reset rod, and an emergency stop switch is provided inside the shell for use in conjunction with the clamping block.

[0008] By adopting the above technical solution, through the safety mechanism, when the electric chain saw is in use, the electric chain saw can be automatically stopped when an abnormality occurs, thereby improving the safety of the electric chain saw, thereby achieving the purpose of improving the safety of the electric chain saw.

[0009] Optionally, a sprocket is fixedly provided at the output end of the motor, two positioning bolts for use with a saw blade are fixedly provided inside the housing, positioning nuts are threadedly provided on the outer surfaces of the two positioning bolts, and a start switch is provided on one side of the housing.

[0010] By adopting the above technical solution, the cutting distance of the electric chain saw can be adjusted by positioning the bolt when the electric chain saw is in use, and the saw chain can be easily replaced, thereby improving the user experience of the electric chain saw.

[0011] Optionally, a handle is fixedly provided on one side of the shell, and a battery is installed on one side of the handle.

[0012] By adopting the above technical solution, the housing can be easily grasped by the handle, and the battery can avoid being connected to the power source for a long time.

[0013] Optionally, a retaining groove is provided on one side of the shell, and the inner surface of the retaining groove is rotationally fitted with the outer surface of the baffle.

[0014] By adopting the above technical solution, the baffle can rotate on the inner surface of the baffle through the baffle groove.

[0015] Optionally, a rotation groove is provided on one side of the baffle, and an inner surface of the rotation groove is fixedly connected to one side of the rotating plate.

[0016] By adopting the above technical solution, the baffle can be fixed to one side of the rotating plate through the rotating groove.

[0017] Optionally, a positioning groove is provided on one side of the saw blade, and the inner surface of the positioning groove is slidably fitted with the outer surfaces of the two positioning bolts.

[0018] By adopting the above technical solution, the saw blade can slide on the outer surface of the positioning bolt through the positioning groove.

[0019] Optionally, a holding rod is fixedly provided on the upper end of the shell, and one end of the holding rod is fixedly connected to one side of the shell.

[0020] By adopting the above technical solution, the holding angle of the shell can be adjusted more conveniently through the holding rod.

[0021] Optionally, a chain groove is provided inside the shell, and the inner surface of the chain groove is in sliding contact with the outer surface of the sprocket.

[0022] By adopting the above technical solution, the sprocket can be rotationally limited inside the housing through the chain groove.

[0023] In summary, this application includes at least one of the following beneficial technical effects:

[0024] 1. The utility model uses a safety mechanism to automatically stop the electric chain saw when an abnormality occurs during use, thereby improving the safety of the electric chain saw.

[0025] 2. The utility model uses a positioning bolt to adjust the cutting distance of the electric chain saw when the electric chain saw is in use, and facilitates the replacement of the saw chain, thereby improving the user experience of the electric chain saw. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic structural diagram of the utility model.

[0027] Figure 2 It is a schematic diagram of the internal structure of the safety mechanism of the utility model.

[0028] Figure 3 It is a partial structural diagram of the utility model.

[0029] In the figure, 1. casing; 2. safety mechanism; 3. motor; 4. handle; 5. battery; 6. saw blade; 20. baffle; 21. clamping block; 22. rotating groove; 23. rotating plate; 24. rotating clamping plate; 25. reset spring; 26. reset rod; 27. emergency stop switch; 28. baffle groove; 30. sprocket; 31. chain groove; 32. start switch; 33. positioning nut; 34. positioning groove; 35. positioning bolt; 36. holding rod. DETAILED DESCRIPTION

[0030] The following is combined with Figure 1 -Attached Figure 3 , further details of this application are given.

[0031] Example

[0032] Improved safety of electric chain saws, see Figure 1 and Figure 2, including a shell 1, a safety mechanism 2 is provided at the upper end of the shell 1, a motor 3 is provided on one side of the shell 1, a saw blade 6 is provided on one side of the shell 1, the safety mechanism 2 includes a baffle 20, a clamping block 21 is fixedly welded on the outer surface of the baffle 20, a rotating plate 23 is provided inside the baffle 20, a rotatable rotating clamping plate 24 is provided on one side of the rotating plate 23, a rotatable reset rod 26 is provided on the inner surface of the rotating clamping plate 24, a reset spring 25 is sleeved on the outer surface of the reset rod 26, and an emergency stop switch 27 used in conjunction with the clamping block 21 is provided inside the shell 1, and the emergency stop switch 27 is used to stop the operation of the electric chain saw.

[0033] Reference Figure 2 A handle 4 is fixedly provided on one side of the shell 1, and a battery 5 is installed on one side of the handle 4. A retaining groove 28 is opened on one side of the shell 1, and the inner surface of the retaining groove 28 is rotatably fitted with the outer surface of the baffle 20. A rotation groove 22 is opened on one side of the baffle 20, and the inner surface of the rotation groove 22 is fixedly connected to one side of the rotating plate 23. The baffle 20 can be fixed to one side of the rotating plate 23 through the rotation groove 22. The shell 1 can be easily grasped through the handle 4, and the battery 5 can avoid long-term connection to the power supply. The baffle 20 can rotate on the inner surface of the retaining groove 28 through the retaining groove 28.

[0034] Reference Figure 3 A sprocket 30 is fixedly provided at the output end of the motor 3, and two positioning bolts 35 for use with the saw blade 6 are fixedly provided inside the housing 1. The outer surfaces of the two positioning bolts 35 are threaded with positioning nuts 33. A starting switch 32 is provided on one side of the housing 1, and the starting switch 32 is used to start the electric chain saw.

[0035] Reference Figure 3 A positioning groove 34 is provided on one side of the saw blade 6, and the inner surface of the positioning groove 34 slides in contact with the outer surfaces of the two positioning bolts 35. A holding rod 36 is fixedly provided on the upper end of the shell 1, and one end of the holding rod 36 is fixedly connected to one side of the shell 1. A chain groove 31 is provided inside the shell 1, and the inner surface of the chain groove 31 slides in contact with the outer surface of the sprocket 30. The saw blade 6 can slide on the outer surface of the positioning bolt 35 through the positioning groove 34. The shell 1 can more conveniently adjust the holding angle through the holding rod 36, and the sprocket 30 can be rotated and limited inside the shell 1 through the chain groove 31.

[0036] The working principle of the embodiment of the present application is as follows: when the electric chain saw slips during cutting, the safety mechanism 2 squeezes the baffle 20, so that the baffle 20 can press the emergency stop switch 27 through the clamping block 21 when rotating. At the same time, the baffle 20 can drive the rotating plate 23 to rotate, so that the rotating plate 23 can drive the rotating clamping plate 24 to rotate. The rotating clamping plate 24 can drive the reset rod 26 to move while rotating, and the baffle 20 can be rotated and reset by the reset spring 25, thereby improving the safety of the electric chain saw.

[0037] The baffle 20 can be fixed to one side of the rotating plate 23 through the rotating groove 22. The housing 1 can be easily grasped through the handle 4. The battery 5 can avoid being connected to the power supply for a long time. The baffle 20 can be rotated on the inner surface of the retaining groove 28 through the retaining groove 28.

[0038] When the electric chain saw is in use, the housing 1 can be disassembled by unscrewing the positioning nut 33, and the fixation of the saw blade 6 can be released at the same time, so that the saw blade 6 can adjust the cutting distance on the outer surface of the positioning bolt 35 through the positioning groove 34. Then, a suitable saw chain is put on the outer surface of the sprocket 30 and the saw blade 6, and the housing 1 is fixed with the positioning nut 33. Then, the motor 3 can be started to run the electric chain saw, thereby improving the user experience of the electric chain saw.

[0039] The saw blade 6 can slide on the outer surface of the positioning bolt 35 through the positioning groove 34, the housing 1 can more conveniently adjust the holding angle through the holding rod 36, and the sprocket 30 can be rotated and limited inside the housing 1 through the chain groove 31.

[0040] The examples of this specific embodiment are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Identical components are represented by the same reference numerals. Therefore, any equivalent changes made based on the structure, shape, and principle of this application should be included in the scope of protection of this application.

Claims

1. An electric chain saw with improved safety, comprising a housing (1), characterized in that: A safety mechanism (2) is provided at the upper end of the housing (1), a motor (3) is provided on one side of the housing (1), and a saw blade (6) is provided on one side of the housing (1); The safety mechanism (2) comprises a baffle (20), a clamping block (21) is fixedly provided on the outer surface of the baffle (20), a rotating plate (23) is provided inside the baffle (20), a rotating clamping plate (24) is rotatably provided on one side of the rotating plate (23), a reset rod (26) is rotatably provided on the inner surface of the rotating clamping plate (24), a reset spring (25) is sleeved on the outer surface of the reset rod (26), and an emergency stop switch (27) used in conjunction with the clamping block (21) is provided inside the housing (1).

2. The electric chain saw with improved safety according to claim 1, characterized in that: A sprocket (30) is fixedly provided at the output end of the motor (3), two positioning bolts (35) used in conjunction with the saw blade (6) are fixedly provided inside the housing (1), and positioning nuts (33) are threadedly sleeved on the outer surfaces of the two positioning bolts (35), and a start switch (32) is provided on one side of the housing (1).

3. The electric chain saw with improved safety according to claim 1, characterized in that: A handle (4) is fixedly provided on one side of the housing (1), and a battery (5) is installed on one side of the handle (4).

4. The electric chain saw with improved safety according to claim 1, characterized in that: A retaining groove (28) is provided on one side of the housing (1), and the inner surface of the retaining groove (28) is rotationally fitted with the outer surface of the baffle (20).

5. The electric chain saw with improved safety according to claim 1, characterized in that: A rotation groove (22) is provided on one side of the baffle (20), and the inner surface of the rotation groove (22) is fixedly connected to one side of the rotation plate (23).

6. The electric chain saw with improved safety according to claim 1, characterized in that: A positioning groove (34) is provided on one side of the saw blade (6), and the inner surface of the positioning groove (34) is slidably fitted with the outer surfaces of the two positioning bolts (35).

7. The electric chain saw with improved safety according to claim 1, characterized in that: A holding rod (36) is fixedly provided at the upper end of the housing (1), and one end of the holding rod (36) is fixedly connected to one side of the housing (1).

8. The electric chain saw with improved safety according to claim 1, characterized in that: A chain groove (31) is provided inside the housing (1), and the inner surface of the chain groove (31) is in sliding contact with the outer surface of the sprocket (30).

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