CN221791246U - Electric saw with dust collection function - Google Patents

Abstract

The utility model belongs to the technical field of mechanical tools, and specifically relates to an electric saw with a dust suction function, comprising a casing in which a motor is arranged; a saw blade, which is installed at the front end of the motor; a dust hood, which is installed at the front end of the casing and covers one side of the saw blade, and the dust hood is provided with a dust suction port; an air suction mechanism, which is installed at the rear end of the casing; the air suction mechanism comprises: an air suction shell, which is movably connected to the rear end of the casing, and the air suction shell has an air inlet and an air outlet; an air suction pipe, which is movably connected to the dust suction port and the air inlet; a fan, which is placed in the air suction shell and installed at the rear end of the motor; when the motor drives the saw blade to rotate and cut, the fan rotates, so that dust is sucked into the air suction shell from the dust suction port of the dust hood, and then discharged into a bag from the air outlet; the flying of debris and dust due to wind is reduced, so that the working environment is kept in a certain good state, saving trouble and labor.

Description

Electric saw with dust suction function

Technical Field

The utility model relates to the technical field of mechanical tools, in particular to an electric saw with a dust suction function.

Background Art

Electric saw is a tool that uses an electric motor as power to drive the saw blade through a transmission mechanism to perform sawing operations. It has the characteristics of safety, reliability, reasonable structure, and high working efficiency. It is suitable for sawing wood, fiberboard, plastic, soft cables and similar materials.

When an electric saw cuts materials, a large amount of debris and dust will be generated. If people work for a long time in this environment, it will have a certain impact on their health. In addition, these debris and dust will be blown everywhere by the wind, making them difficult to clean.

Chinese patent publication number CN1204992C discloses a cutting saw, which includes a motor and a blade. The motor drives the saw blade to rotate to cut the workpiece. The saw does not have the function of collecting debris and dust, and cannot handle the debris and dust caused by cutting.

Utility Model Content

The utility model aims to provide an electric saw with a dust suction function. An air suction mechanism is installed at the rear end of the casing. The air suction mechanism is connected to the dust collecting cover of the saw blade through an air suction pipe to collect the debris and dust caused by cutting, thereby improving the problem that the debris and dust generated when the electric saw cuts materials cannot be collected.

The purpose of the utility model is achieved in this way:

An electric saw with a dust suction function, comprising:

a casing in which a motor is disposed;

A saw blade mounted at the front end of the motor;

A dust collecting cover is installed at the front end of the housing and covers one side of the saw blade, and the dust collecting cover is provided with a dust suction port;

An air suction mechanism, which is installed at the rear end of the housing;

The air suction mechanism comprises:

An air suction shell, which is movably connected to the rear end of the housing, and has an air inlet and an air outlet;

An air suction pipe movably connecting the dust suction port and the air inlet;

A fan, which is placed in the air suction housing and installed at the rear end of the motor;

When the motor drives the saw blade to rotate and cut, the fan rotates, so that dust is sucked into the air suction shell from the dust suction port of the dust collecting cover and then discharged from the air outlet.

Preferably, the motor is provided with a driving shaft, the front end of the driving shaft passes through the front end of the housing and is installed with a reduction mechanism, and the reduction mechanism is movably connected to the saw blade;

The rear end of the driving shaft passes through the rear end of the housing and is movably connected to the fan;

When the motor is working, the saw blade and the fan can be driven to work at the same time.

Preferably, a dustproof bearing and a gasket are provided at the rear end of the driving shaft, and the fan has a connecting sleeve;

When the fan is mounted on the driving shaft, two ends of the gasket abut against the dustproof bearing and the connecting sleeve respectively.

Preferably, the fan is provided with a convex ring 1, a dustproof area 1 is formed between the convex ring 1 and the connecting sleeve, and a fixing sleeve 2 is provided at the end of the air suction shell;

When the fan is mounted on the driving shaft, the connecting sleeve is inserted into the second fixing sleeve, and the rear end of the second fixing sleeve extends into the first dustproof area.

Preferably, the fan is further provided with a convex ring 2, the convex ring 2 is located outside the convex ring 1, a dustproof zone 2 is formed between the convex ring 2 and the convex ring 1, and a convex ring 3 is provided on the end surface of the air suction shell;

When the rear end of the second fixing sleeve extends into the first dustproof zone, the third convex ring extends into the second dustproof zone.

Compared with the prior art, the utility model has the following outstanding and beneficial technical effects:

1. The utility model sets a suction mechanism at the rear end of the casing, and the suction mechanism is connected to the dust collecting cover of the saw blade through the suction pipe. The fan rotates to collect the debris and dust, which reduces the flying of the debris and dust due to the wind, so that the working environment is kept in a certain good state, saving trouble and labor.

2. The utility model is provided with a driving shaft which passes through the casing through the motor, the saw blade is installed at the front end of the driving shaft, and the fan is installed at the rear end of the driving shaft. When the motor is working, the saw blade and the fan can be driven to work at the same time. The operation is simple, and there is no need to set up an additional driving motor to drive the fan, thus saving costs.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic structural diagram of the utility model.

FIG. 2 is an exploded view of the present invention.

FIG3 is a cross-sectional view of the air suction mechanism of the present invention.

FIG. 4 is a partial exploded view of the present invention.

FIG5 is an overall cross-sectional view of the utility model.

Reference numerals: 1, housing; 11, motor; 12, drive shaft; 13, fixing sleeve 1;

2. Saw blade; 21. Speed reduction mechanism; 3. Dust hood; 31. Fixed frame; 32. Connecting seat; 4. Air suction mechanism;

5. Air suction shell; 51. Air inlet; 52. Air outlet; 53. Fixed sleeve 2; 54. Convex ring 3; 6. Air suction pipe;

7. Fan; 71. Connecting sleeve; 72. Convex ring 1; 73. Convex ring 2; 8. Dustproof bearing; 9. Gasket.

DETAILED DESCRIPTION

The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.

In conjunction with FIG. 1 and FIG. 2 , an electric saw with a dust suction function comprises: a housing 1, a saw blade 2, a dust collecting cover 3, and an air suction mechanism 4; a motor 11 is arranged inside the housing 1; the saw blade 2 is mounted at the front end of the motor 11; the dust collecting cover 3 is mounted at the front end of the housing 1 by screws and covers one side of the saw blade 2, and a dust suction port is opened at the side end of the dust collecting cover 3; the air suction mechanism 4 is mounted at the rear end of the housing 1;

The air suction mechanism 4 includes: an air suction shell 5, which is movably connected to the rear end of the casing 1 by screws, and the air suction shell 5 has an air inlet 51 and an air outlet 52; an air suction pipe 6, which movably connects the dust suction port and the air inlet 51; a fan 7, which is placed in the air suction shell 5 and installed at the rear end of the motor 11; when the motor 11 drives the saw blade 2 to rotate and cut, the fan 7 rotates, so that the dust is sucked into the air suction shell 5 from the dust suction port of the dust collecting hood 3, and then discharged into the collection bag from the air outlet 52.

As shown in FIG. 1 , the dust hood 3 is provided with a fixing frame 31 , which is connected to the casing 1 by screws to achieve the connection between the dust hood 3 and the casing 1 ; the fixing frame 31 is provided with a connecting seat 32 , and the connecting seat 32 is provided with the dust suction port.

As shown in Figure 5, the motor 11 is provided with a driving shaft 12. The front end of the driving shaft 12 passes through the front end of the casing 1 and is installed with a reduction mechanism 21. The reduction mechanism 21 is movably connected to the saw blade 2. The rear end of the driving shaft 12 passes through the rear end of the casing 1 and is movably connected to the fan 7. When the motor 11 is working, the driving shaft 12 can drive the saw blade 2 and the fan 7 to work at the same time. It is only necessary to operate the motor 11, and the operation is simple. There is no need to set up a separate driving motor to drive the fan 7, which saves costs and can reduce the volume.

As shown in Figure 3, a fixed sleeve 13 is provided at the rear end of the casing 1, a dustproof bearing 8 and a gasket 9 are provided at the rear end of the driving shaft 12, the dustproof bearing 8 is connected to the inner wall of the fixed sleeve 13, and the fan 7 has a connecting sleeve 71; when the fan 7 is installed on the driving shaft 12, the two ends of the gasket 9 respectively abut against the dustproof bearing 8 and the connecting sleeve 71, thereby achieving stability of the fan 7 during operation.

3 and 4 , the fan 7 is provided with a convex ring 72, and a dustproof zone 1 is formed between the convex ring 72 and the connecting sleeve 71, and a fixing sleeve 2 53 is provided at the end of the air suction shell 5; when the fan 7 is installed on the driving shaft 12, the connecting sleeve 71 is inserted into the fixing sleeve 2 53, and at the same time, the rear end of the fixing sleeve 2 53 extends into the dustproof zone 1, which can reduce the entry of dust.

3 and 4 , the fan 7 is further provided with a convex ring 2 73, which is located on the outer side of the convex ring 1 72, and the axes of the convex ring 2 73 and the convex ring 1 72 coincide with each other, and a dustproof zone 2 is formed between the convex ring 2 73 and the convex ring 1 72, and a convex ring 3 54 is provided on the end face of the air suction shell 5; when the rear end of the fixed sleeve 2 53 extends into the dustproof zone 1, the convex ring 3 54 extends into the dustproof zone 2, which can further reduce the entry of dust.

The specific working process of this scheme is as follows: when the saw blade 2 rotates and cuts, the fan 7 also works, so that the dust generated by the cutting is sucked into the suction shell 5 from the dust collecting hood 3 through the suction pipe 6, and the dust is discharged into the collection bag through the air outlet 52 of the suction shell 5, so as to reduce the flying of dust; the saw blade 2 and the fan 7 are driven by the same drive shaft 12.

The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims (5)

1. An electric saw with a dust suction function, comprising: A housing (1) in which a motor (11) is disposed; A saw blade (2) mounted on the front end of the motor (11); A dust collecting cover (3) is installed at the front end of the housing (1) and covers one side of the saw blade (2); the dust collecting cover (3) is provided with a dust suction port; An air suction mechanism (4) mounted at the rear end of the housing (1); The air suction mechanism (4) comprises: An air suction shell (5) movably connected to the rear end of the housing (1), the air suction shell (5) having an air inlet (51) and an air outlet (52); An air suction pipe (6) movably connected to the dust suction port and the air inlet (51); A fan (7) is placed in the air suction housing (5) and installed at the rear end of the motor (11); When the motor (11) drives the saw blade (2) to rotate and cut, the fan (7) rotates, so that dust is sucked into the air suction shell (5) from the dust suction port of the dust collecting cover (3) and then discharged from the air outlet (52). 2. The electric saw with dust suction function according to claim 1, characterized in that: The motor (11) is provided with a driving shaft (12), the front end of the driving shaft (12) passes through the front end of the housing (1) and is provided with a speed reduction mechanism (21), and the speed reduction mechanism (21) is movably connected to the saw blade (2); The rear end of the driving shaft (12) passes through the rear end of the casing (1) and is movably connected to the fan (7); When the motor (11) is working, it can drive the saw blade (2) and the fan (7) to work at the same time. 3. The electric saw with dust suction function according to claim 2, characterized in that: The rear end of the driving shaft (12) is provided with a dustproof bearing (8) and a gasket (9), and the fan (7) has a connecting sleeve (71); When the fan (7) is mounted on the driving shaft (12), two ends of the gasket (9) respectively abut against the dustproof bearing (8) and the connecting sleeve (71). 4. The electric saw with dust suction function according to claim 3, characterized in that: The fan (7) is provided with a convex ring (72), a dustproof area (1) is formed between the convex ring (72) and the connecting sleeve (71), and a fixing sleeve (2) (53) is provided at the end of the air suction shell (5); When the fan (7) is mounted on the drive shaft (12), the connecting sleeve (71) is inserted into the second fixing sleeve (53), and the rear end of the second fixing sleeve (53) extends into the first dustproof area. 5. The electric saw with dust suction function according to claim 4, characterized in that: The fan (7) is also provided with a second convex ring (73), the second convex ring (73) is located outside the first convex ring (72), a second dustproof area is formed between the second convex ring (73) and the first convex ring (72), and a third convex ring (54) is provided on the end surface of the air suction shell (5); When the rear end of the second fixing sleeve (53) extends into the first dustproof zone, the third convex ring (54) extends into the second dustproof zone.