CN219294414U

CN219294414U - Self-dust-absorbing floor saw

Info

Publication number: CN219294414U
Application number: CN202223485059.3U
Authority: CN
Inventors: 辛华君; 汪辉; 沈誉; 王黎
Original assignee: Zhejiang Huafeng Electric Tools Co Ltd
Current assignee: Zhejiang Huafeng Electric Tools Co Ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-07-04
Anticipated expiration: 2032-12-21

Abstract

Aiming at the defects that a dust collector is required to be installed for realizing a dust collection function in the cutting machine in the prior art and the operation is not simple enough, the utility model provides a self-dust-absorption floor saw, which belongs to the technical field of electric tools, and an electric tool is arranged on a base, wherein the electric tool comprises a shell, a rotating motor is arranged in the shell, two ends of a rotating shaft of the rotating motor are exposed out of the shell, a cutting blade connector for installing a cutting blade is connected to one end part of the rotating shaft, and a protective cover for the cutting blade connector is arranged on an outer cover of the cutting blade connector; the other end of the rotating shaft is provided with a rotating fan, the outer cover of the rotating fan is provided with an air outlet shell, the air outlet shell is provided with an air inlet and an air outlet, the air inlet is communicated with the protective cover through a pipeline, and the air outlet is connected with a dust collecting bag. The cutting blade and the rotating fan are rotated by the rotating motor, the rotating fan does not need extra energy consumption, the energy is saved, the self-dust-absorbing structure is simple, and the production cost of the product is increased less.

Description

Self-dust-absorbing floor saw

Technical Field

The utility model belongs to the technical field of electric tools, and particularly relates to a self-dust-absorbing floor saw.

Background

Dust is generated when a dicing saw cuts an article, and flying of the dust affects the environment and the physical health of an operator, so that an utility model such as CN202120949698.7 appears, and a dust-collecting type dicing and cleaning machine is disclosed, in which a dust collector is provided on one side of a control handle, when a dicing blade cuts the article to generate dust, the dust is collected by the dust collector, and the absorbed dust falls into a dust bag. However, the above proposal requires installing an independent dust collector, increases the material cost, and can realize the dust collection function by additionally opening the dust collector while opening the machine, which is not easy to operate.

Disclosure of Invention

The utility model provides a self-dust-absorbing floor saw, which aims at the defect that a cutting machine in the prior art needs to be provided with a dust collector to realize a dust absorbing function and is not simple and convenient to operate.

The utility model aims at realizing the following technical scheme: the utility model provides a self dust-absorbing floor saw, includes the base, is equipped with electric power tool on the base, electric power tool includes the casing, is equipped with the rotation motor in the casing, and the both ends of the axis of rotation motor expose in the casing, and one of them end connection of axis of rotation has the cutting blade connector of installation cutting blade, and cutting blade connector dustcoat is equipped with the safety cover of cutting blade; the other end of the rotating shaft is provided with a rotating fan, the outer cover of the rotating fan is provided with an air outlet shell, the air outlet shell is provided with an air inlet and an air outlet, the air inlet is communicated with the protective cover through a pipeline, and the air outlet is connected with a dust collecting bag.

In the scheme, the cutting piece and the rotating fan rotate through the rotating motor, negative pressure is formed in the air outlet shell through the rotation of the rotating fan, so that air in the protective cover communicated with the air outlet shell is sucked away, and if dust is generated by the cutting piece during cutting, the dust can be sucked away, and the dust is sucked away and discharged into the dust collecting bag to be collected. Because the rotary fan and the cutting blade are driven by the rotary motor, the dust collection function can be synchronously started as long as the rotary motor is started, and the operation is simple. And the rotation of the cutting blade is provided with kinetic energy by the rotating motor, the rotation of the rotating fan does not need extra energy consumption, the energy is saved, and the self-dust-absorbing structure is mainly provided with the rotating fan, so that the self-dust-absorbing structure is simple in structure and small in production cost increase of the product.

Preferably, a dust collecting box is arranged below the cutting piece and detachably connected to the other surface of the base provided with the electric tool through a bolt. Some large particle dust that can't suck away can set up the rotation of cutting piece and throw away on the protective housing, because the centrifugal force effect of cutting piece, the dust can generally be driven by the cutting piece and throw away on the protective housing of cutting piece latter half, then drop on the dust collection box.

Preferably, the dust collecting box is a cuboid with an opening at the upper part, a central line of the dust collecting box in the length direction is overlapped with the cutting piece, and the dust collecting box is positioned at the rear end of the cutting piece in the cutting direction.

Preferably, the cutting blade connector and the rotating shaft are coaxially arranged, so that the torque force of the rotating shaft can be directly transmitted to the cutting blade connector, and the loss of kinetic energy is reduced.

Preferably, the cutting blade connector is perpendicular to the rotating shaft, and the cutting blade connector is perpendicular to the rotating shaft by arranging a steering gear.

Preferably, the steering gear includes a first bevel gear and a second bevel gear, the first bevel gear is mounted at an end of the rotating shaft, the second bevel gear is mounted on the cutting blade connector, and the first bevel gear and the second bevel gear are engaged with each other.

Preferably, the casing is provided with a grip for holding.

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the cutting blade and the rotating fan are rotated by the rotating motor, and the rotation of the rotating fan enables negative pressure to be formed in the air outlet shell, so that air in the protective cover communicated with the air outlet shell is sucked away, and if dust is generated during cutting of the cutting blade, the dust is sucked away, and the dust is sucked away and discharged into the dust collecting bag to be collected. Because the rotary fan and the cutting blade are driven by the rotary motor, the dust collection function can be synchronously started as long as the rotary motor is started, and the operation is simple. And the rotation of the cutting blade is provided with kinetic energy by the rotating motor, the rotation of the rotating fan does not need extra energy consumption, the energy is saved, and the self-dust-absorbing structure is mainly provided with the rotating fan, so that the self-dust-absorbing structure is simple in structure and small in production cost increase of the product.

Drawings

Fig. 1 is a structural diagram of embodiment 1;

fig. 2 is a structural exploded view of embodiment 1;

fig. 3 is a construction diagram of the inside of the casing of embodiment 1;

fig. 4 is a structural diagram of embodiment 2;

fig. 5 is a structural exploded view of embodiment 2;

fig. 6 is a diagram showing the internal structure of the casing of embodiment 2.

The marks in the figure: 1. a base; 2. a housing; 3. a rotating motor; 31. a rotating shaft; 4. a cutting blade connector; 5. a protective cover; 6. a pipeline; 7. cutting the sheet; 8. rotating the fan; 9. an air outlet housing; 10. a dust collecting bag; 11. a dust collection box; 12. a first bevel gear; 13. a second bevel gear; 14. a handle.

Detailed Description

The utility model is further described below with reference to embodiments shown in the drawings in which:

example 1

As shown in fig. 1 to 3, a dust-absorbing floor saw comprises a base 1, wherein an electric tool is arranged on the base 1, the electric tool comprises a machine shell 2, and a handle 14 for holding is arranged on the machine shell 2. The casing 2 is internally provided with a rotary motor 3, two ends of a rotary shaft 31 of the rotary motor 3 are exposed out of the casing 2, one end of the rotary shaft 31 is connected with a cutting blade connector 4 for mounting a cutting blade 7, and the cutting blade connector 4 and the rotary shaft 31 are coaxially arranged. The outer cover of the cutting blade connector 4 is provided with a protective cover 5 of a cutting blade 7; the other end of the rotating shaft 31 is provided with a rotating fan 8, an outer cover of the rotating fan 8 is provided with an air outlet shell 9, an air inlet and an air outlet are formed in the air outlet shell 9, the air inlet is communicated with the protective cover 5 through a pipeline 6, and a dust collecting bag 10 is connected to the air outlet.

The lower part of the cutting blade 7 is provided with a dust collecting box 11, the dust collecting box 11 is a cuboid with an opening at the upper part, the central line of the dust collecting box 11 in the length direction is overlapped with the cutting blade 7, the dust collecting box 11 is detachably connected to the other surface of the base 1 provided with an electric tool through a bolt, and the dust collecting box 11 is positioned at the rear end of the cutting blade 7 in the cutting direction. Some large particle dust which cannot be sucked away can be thrown out of the protective shell due to the rotation of the cutting blade 7, and the dust is generally driven by the cutting blade 7 to be thrown out of the protective shell at the rear half section of the cutting blade 7 due to the centrifugal force of the cutting blade 7 and then falls onto the dust collecting box 11. When the dust box 11 is full of dust, the dust box can be detached through bolts, and the dust in the dust box 11 can be cleaned.

The cutting blade 7 and the rotary fan 8 in this embodiment are respectively located at two ends of the rotary motor 3, the dust collecting bag 10 is located near the rotary fan 8, the dust collecting bag 10 is also located at the other end of the cutting blade 7 opposite to the rotary motor 3, when the cutting blade 7 cuts an object to generate dust, the rotary motor 3 forms negative pressure in the air outlet housing 9 so as to form negative pressure in the protective cover 5 through the pipeline 6, and the dust in the protective cover 5 is absorbed and discharged into the dust collecting bag 10 to be collected.

Example 2

As shown in fig. 4 to 6, the self-dust-absorbing floor saw comprises a base 1, wherein an electric tool is arranged on the base 1, the electric tool comprises a machine shell 2, and a handle 14 for holding is arranged on the machine shell 2. The casing 2 is internally provided with a rotating motor 3, two ends of a rotating shaft 31 of the rotating motor 3 are exposed out of the casing 2, one end of the rotating shaft 31 is connected with a cutting blade connector 4 for installing a cutting blade 7, the cutting blade connector 4 is perpendicular to the rotating shaft 31, and the cutting blade connector 4 is perpendicular to the rotating shaft 31 through the arrangement of a steering gear. Wherein the steering gear comprises a first bevel gear 12 and a second bevel gear 13, the first bevel gear 12 is arranged at the end part of the rotating shaft 31, the second bevel gear 13 is arranged on the connector 4 of the cutting blade 7, and the first bevel gear 12 and the second bevel gear 13 are meshed with each other.

The cutting blade connector 4 is covered with a cutting blade 7 protective cover 5; the other end of the rotating shaft 31 is provided with a rotating fan 8, an outer cover of the rotating fan 8 is provided with an air outlet shell 9, an air inlet and an air outlet are formed in the air outlet shell 9, the air inlet is communicated with the protective cover 5 through a pipeline 6, and a dust collecting bag 10 is connected to the air outlet.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a self-dust-absorbing floor saw, includes base (1), is equipped with electric power tool on base (1), its characterized in that, electric power tool includes casing (2), is equipped with in casing (2) and rotates motor (3), and the both ends of axis of rotation (31) of motor (3) expose in casing (2), and one of them end connection of axis of rotation (31) has cutting blade connector (4) of installation cutting blade (7), and cutting blade connector (4) dustcoat is equipped with safety cover (5) of cutting blade (7); the other end of the rotating shaft (31) is provided with a rotating fan (8), an outer cover of the rotating fan (8) is provided with an air outlet shell (9), an air inlet and an air outlet are formed in the air outlet shell (9), the air inlet is communicated with the protective cover (5) through a pipeline (6), and a dust collecting bag (10) is connected to the air outlet.

2. Self-dust-absorbing floor saw according to claim 1, characterized in that below the cutting blade (7) a dust box (11) is provided, which is detachably connected by means of bolts to the other side of the base (1) provided with the power tool.

3. The self-dust-sucking floor saw according to claim 2, wherein the dust collecting box (11) is a cuboid with an upper opening, a center line of the dust collecting box (11) in the length direction coincides with the cutting blade (7), and the dust collecting box (11) is positioned at the rear end of the cutting blade (7) in the cutting direction.

4. Self-dust-absorbing floor saw according to claim 1, characterized in that the blade attachment (4) and the rotation shaft (31) are arranged coaxially.

5. Self-dust-absorbing floor saw according to claim 1, characterized in that the blade connector (4) is perpendicular to the rotation axis (31), the blade connector (4) and the rotation axis (31) being such that the blade connector (4) is perpendicular to the rotation axis (31) by means of a steering gear.

6. The self-dust-absorbing floor saw according to claim 5, wherein the steering gear comprises a first bevel gear (12) and a second bevel gear (13), the first bevel gear (12) is mounted at the end of the rotating shaft (31), the second bevel gear (13) is mounted on the connector (4) of the cutting blade (7), and the first bevel gear (12) and the second bevel gear (13) are meshed with each other.

7. Self-dust-absorbing floor saw according to claim 1, characterized in that the housing (2) is provided with a grip (14) for gripping.