CN210820027U

CN210820027U - Saw with dust suction device

Info

Publication number: CN210820027U
Application number: CN201921464328.3U
Authority: CN
Inventors: 张怀玉
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-06-23
Anticipated expiration: 2029-09-05

Abstract

The utility model relates to a saw technical field, specifically speaking relates to a saw with dust extraction. The saw comprises a saw body, wherein the saw body comprises a shell; the power device is arranged in the shell and used for driving a saw blade and an impeller to rotate; a saw blade cover is arranged at the position of the shell corresponding to the saw blade, and a saw blade bin for containing the saw blade is formed in the saw blade cover; an impeller cover is arranged at the position of the shell corresponding to the impeller, and an impeller chamber for containing the impeller is formed in the impeller cover; a saw residue discharge port is formed at the saw blade bin, and a saw residue feed port and a saw residue collection port are formed at the impeller bin; a saw residue collecting pipe is arranged between the saw residue discharge port and the saw residue feed inlet, and the impeller is used for forming negative pressure in the impeller bin under the driving of the power device. The utility model discloses can collect the sawdust that produces in the saw body course of work better.

Description

Saw with dust suction device

Technical Field

The utility model relates to a saw technical field, specifically speaking relates to a saw with dust extraction.

Background

Although the conventional electric saws can be classified into various types according to the size, the application and the like, the structural differences are different. The existing electric saw generally comprises a shell, a power device and a saw blade, wherein the power device generally adopts a motor and is arranged at the shell, and the power device is used for driving the saw blade to rotate so as to cut materials.

In the prior art, in order to prevent sawdust generated during the cutting process of the saw blade from splashing, a saw blade cover is usually arranged on the outer side of the saw blade. Through setting up the saw bit cover, can block that the saw bits from splashing to user's department and then realize the protection to the user better.

However, the saw blade cover in the prior art has the function of preventing sawdust from splashing, and only changes the direction of the sawdust splashing to protect a user; it still causes the sawdust to spread into the working environment, which is a severe working environment.

SUMMERY OF THE UTILITY MODEL

The utility model provides a saw with dust extraction, it can overcome certain or some defects of prior art.

The saw with the dust suction device comprises a saw body, wherein the saw body comprises a shell; the power device is arranged in the shell and used for driving a saw blade and an impeller to rotate; a saw blade cover is arranged at the position of the shell corresponding to the saw blade, and a saw blade bin for containing the saw blade is formed in the saw blade cover; an impeller cover is arranged at the position of the shell corresponding to the impeller, and an impeller chamber for containing the impeller is formed in the impeller cover; a saw residue discharge port is formed at the saw blade bin, and a saw residue feed port and a saw residue collection port are formed at the impeller bin; a saw residue collecting pipe is arranged between the saw residue discharge port and the saw residue feed inlet, and the impeller is used for forming negative pressure in the impeller bin under the driving of the power device.

The utility model discloses in, through the setting of impeller, make in saw body course of work, saw bit and impeller can rotate in step, because the rotation of impeller can form the negative pressure in the impeller storehouse, and then make impeller storehouse department can be through under the effect of negative pressure by the saw bit sawdust that the operation produced, in proper order through the saw residue bin outlet, saw residue collecting pipe and saw residue feed inlet attraction to the impeller storehouse in, and finally discharge from saw residue aggregate opening department, thereby can realize the collection to the saw bit better, thereby can improve operational environment better.

Preferably, the power device comprises a motor, the saw blade is arranged at one end of the motor shaft, and the impeller is arranged at the other end of the motor shaft.

The utility model discloses in, through locating the one end department that the motor shaft did not establish the saw bit with the impeller for impeller and saw bit can better synchronous operation, thereby be convenient for to the collection of saw sediment. In addition, because current electric saw all possesses motor and saw bit cover usually, so also make the utility model provides a dust extraction can utilize in the multiple current electric saw of many.

Preferably, a first material collecting pipe is arranged at the sawing slag collecting pipe. Thereby being convenient for users to arrange collecting devices such as collecting cloth bags, collecting hoses and the like.

Preferably, the second collecting pipe is rotatably arranged at the first collecting pipe. Through setting up rotatable second collection material pipe, can adjust the row material direction of saw dust better, and then can be convenient for the user to use better.

Preferably, the impeller is a centrifugal impeller, the saw residue feeding port is arranged in the middle of the impeller cover far away from the power device corresponding to the air inlet of the impeller, and the saw residue collecting port is arranged on the side wall of the impeller cover corresponding to the impeller in the radial direction. So that the arrangement of the impeller cover, the impeller and other mechanisms can be better realized.

Preferably, a protective cover is arranged between the sawing slag feed port and the corresponding end of the sawing slag collecting pipe, a protective cover cavity is arranged in the protective cover, and a material passing channel for communicating the sawing slag feed port with the sawing slag collecting pipe is formed between the protective cover cavity and the side wall of the impeller cover far away from the power device. Thereby being capable of better facilitating the connection between the saw residue collecting pipe and the saw residue feeding hole.

Preferably, the side wall of the impeller cover far away from the power device extends to the corresponding end of the saw residue collecting pipe to form a connecting part, the connecting part is provided with a mounting hole communicated with the material passing channel, and the mounting hole is used for being matched with the corresponding end of the saw residue collecting pipe. Thereby having simple structure and convenient realization.

Preferably, the saw dust discharge opening is arranged on one side of the saw blade cover facing the rotation direction of the saw blade. Because in the saw body use, the saw dust that the saw bit rotation produced can take the lead to get into the saw bit cover under the inertia effect and meet the one side of saw bit rotation direction, so through with, the saw sediment bin outlet is located the saw bit cover and is met the one side of saw bit rotation direction, can collect the saw dust to a great extent.

Preferably, the housing is provided with a handle, and the handle is provided with an extension part. Thereby facilitating use.

Drawings

FIG. 1 is a schematic structural view of a saw body according to embodiment 1;

FIG. 2 is a schematic structural view showing a part of the structure of a saw body according to embodiment 1;

FIG. 3 is a schematic view showing the structure of a blade cover in embodiment 1;

FIG. 4 is a schematic structural view of an impeller cup in embodiment 1;

FIG. 5 is a schematic structural view of an impeller in embodiment 1;

fig. 6 is a schematic structural view of the shield in embodiment 1.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples. It is to be understood that the examples are illustrative of the invention only and are not limiting.

Example 1

As shown in fig. 1 to 6, the present embodiment provides a saw with a dust suction device, which includes a saw body 100, the saw body 100 including a housing 110; a power device is arranged in the shell 110 and is used for driving a saw blade and an impeller 500 to rotate; a saw blade cover 120 is arranged at the position of the shell 110 corresponding to the saw blade, and a saw blade bin 121 for containing the saw blade is formed in the saw blade cover 120; the casing 110 is provided with an impeller cover 130 corresponding to the impeller 500, and an impeller chamber 430 for accommodating the impeller 500 is formed in the impeller cover 130; the saw residue discharge hole 310 is formed at the saw blade bin 121, and a saw residue feed inlet 410 and a saw residue collection hole 420 are formed at the impeller bin 430; the saw residue collecting pipe 140 is arranged between the saw residue discharge opening 310 and the saw residue feeding opening 410, and the impeller 500 is used for forming negative pressure in the impeller bin 430 under the driving of the power device.

In the saw of this embodiment, through the setting of impeller 500, make in the working process of saw body 100, saw bit and impeller 500 can rotate in step, because the rotation of impeller 500 can form the negative pressure in impeller storehouse 430, and then make impeller storehouse 430 department by the saw bit saw bits that the operation produced can be through under the effect of negative pressure, in proper order through saw residue bin outlet 310, saw residue collecting pipe 140 and saw residue feed inlet 410 attract to impeller storehouse 430 in, and finally discharge from saw residue aggregate opening 420, thereby can realize the collection to the saw bit better, thereby can improve operational environment better.

Wherein, the saw of this embodiment can be through gathering materials mouthful 420 at the saw sediment and setting up collection device such as collecting the sack, collecting the hose, realize the collection to the saw sediment when specifically using to can be convenient for better the collection to the saw sediment.

As shown in fig. 2, the power unit includes a motor, a saw blade is provided at one end of the motor shaft 210, and an impeller 500 is provided at the other end of the motor shaft 210.

In this embodiment, the impeller 500 is disposed at one end of the motor shaft 210 where no saw blade is disposed, so that the impeller 500 and the saw blade in this embodiment can preferably run synchronously, thereby facilitating the collection of the saw dust. In addition, because the existing electric saws are generally provided with the motor and the saw blade cover, the dust suction device in the embodiment can be applied to various existing electric saws.

In this embodiment, the saw dust collecting pipe 140 is provided with a first material collecting pipe 151. Thereby being convenient for users to arrange collecting devices such as collecting cloth bags, collecting hoses and the like.

In this embodiment, the first collecting pipe 151 is rotatably provided with a second collecting pipe 152. Through setting up rotatable second material collecting pipe 152, can adjust the row's of sawdust material direction by the preferred, and then can be convenient for the user to use better.

Referring to fig. 4 and 5, the impeller 500 is a centrifugal impeller, the saw dust feed inlet 410 is disposed at the middle of the impeller housing 130 far from the power plant side corresponding to the air inlet of the impeller 500, and the saw dust collecting outlet 420 is disposed at the sidewall of the impeller housing 130 corresponding to the radial direction of the impeller 500. So that the arrangement of the impeller housing 130, the impeller 500, and the like can be preferably realized.

Referring to fig. 6, a shield 160 is disposed between the sawdust inlet 410 and the corresponding end of the sawdust collecting pipe 140, a shield cavity 610 is disposed in the shield 160, and a material passing channel for communicating the sawdust inlet 410 and the sawdust collecting pipe 140 is formed between the shield cavity 610 and the side wall of the impeller cover 130 away from the power device. Thereby preferably facilitating connection between the sawdust collection tube 140 and the sawdust feed inlet 410.

In this embodiment, the sidewall of the impeller housing 130 away from the power plant extends to the corresponding end of the sawdust collecting pipe 140 to form a connecting portion 440, the connecting portion 440 is provided with a fitting opening 441 communicated with the material passing channel, and the fitting opening 441 is used for being matched with the corresponding end of the sawdust collecting pipe 140. Thereby having simple structure and convenient realization.

In this embodiment, the saw dust discharge opening 310 is disposed on a side of the blade cover 120 facing the rotation direction of the saw blade. Since the sawdust generated by the rotation of the saw blade will first enter the side of the blade cover 120 facing the rotation direction of the saw blade under the inertia effect during the use of the saw body 100, the sawdust can be collected to a large extent by disposing the sawdust discharge opening 310 at the side of the blade cover 120 facing the rotation direction of the saw blade. Especially for the carpentry saw, during the working process, one side of the blade cover 120 corresponding to the board is usually attached to the board, so most sawdust enters the blade chamber 121 from the side of the blade cover 120 facing the rotation direction of the saw blade, and the sawdust can be collected to a greater extent.

In this embodiment, the housing 110 is provided with a handle 170, and the handle 170 is provided with an extending portion 171. The handle 170 is provided to facilitate the user to hold the saw body 100; due to the arrangement of the extending portion 171, a user can preferably hold the handle 170 with one hand and apply force to the extending portion 171 with the other hand, so that the user can preferably operate the saw body 100 with both hands to use the force during the cutting process, thereby facilitating the use of the user.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. Saw with dust extraction, its characterized in that: comprises a saw body (100), the saw body (100) comprises a shell (110); a power device is arranged in the shell (110) and is used for driving a saw blade and an impeller (500) to rotate; a saw blade cover (120) is arranged at the position of the shell (110) corresponding to the saw blade, and a saw blade bin (121) for containing the saw blade is formed in the saw blade cover (120); an impeller cover (130) is arranged at the position, corresponding to the impeller (500), of the shell (110), and an impeller bin (430) for containing the impeller (500) is formed in the impeller cover (130); a saw residue discharge hole (310) is formed in the saw blade bin (121), and a saw residue feeding hole (410) and a saw residue collecting hole (420) are formed in the impeller bin (430); a saw residue collecting pipe (140) is arranged between the saw residue discharge opening (310) and the saw residue feeding opening (410), and the impeller (500) is used for forming negative pressure in the impeller bin (430) under the driving of the power device.

2. The saw with a dust suction apparatus as set forth in claim 1, wherein: the power device comprises a motor, the saw blade is arranged at one end of the motor shaft, and the impeller (500) is arranged at the other end of the motor shaft.

3. The saw with a dust suction apparatus as set forth in claim 1, wherein: a first material collecting pipe (151) is arranged at the saw residue collecting pipe (140).

4. The saw with a dust suction apparatus as set forth in claim 3, wherein: the first material collecting pipe (151) is rotatably provided with a second material collecting pipe (152).

5. The saw with a dust suction apparatus as set forth in claim 1, wherein: the impeller (500) adopts a centrifugal impeller, the saw residue feeding port (410) is arranged in the middle of the impeller cover (130) far away from the power device side corresponding to the air inlet of the impeller (500), and the saw residue collecting port (420) is arranged on the side wall of the impeller cover (130) corresponding to the impeller (500) in the radial direction.

6. The saw with a dust sucking apparatus as set forth in claim 5, wherein: a protective cover (160) is arranged between the saw residue feeding hole (410) and the corresponding end of the saw residue collecting pipe (140), a protective cover cavity (610) is arranged in the protective cover (160), and a material passing channel for communicating the saw residue feeding hole (410) with the saw residue collecting pipe (140) is formed between the protective cover cavity (610) and the side wall of the impeller cover (130) far away from the power device.

7. The saw with a dust suction apparatus as set forth in claim 6, wherein: the side wall of the impeller cover (130) far away from the power device extends to the corresponding end of the sawdust collecting pipe (140) to form a connecting part (440), an assembling opening (441) communicated with the material passing channel is formed in the connecting part (440), and the assembling opening (441) is used for being matched with the corresponding end of the sawdust collecting pipe (140).

8. The saw with a dust suction apparatus as set forth in claim 1, wherein: the saw residue discharge hole (310) is arranged on one side of the saw blade cover (120) facing to the rotation direction of the saw blade.

9. The saw with a dust suction apparatus as set forth in claim 1, wherein: a handle (170) is arranged at the shell (110), and an extension part (171) is arranged at the handle (170).