CN216657479U

CN216657479U - Lithium electric brushless self-absorption long handle grinding machine

Info

Publication number: CN216657479U
Application number: CN202123436117.9U
Authority: CN
Inventors: 储建明
Original assignee: Zhejiang Wuyi Haoda Tools Manufacture Co ltd
Current assignee: Zhejiang Wuyi Haoda Tools Manufacture Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-06-03
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a lithium battery brushless self-absorption long handle grinding machine which comprises a disc, a front fork and an aluminum pipe, wherein a dust absorption assembly and a brushless motor are fixed on the disc, the front end of the aluminum pipe is connected with the front fork, a head shell assembly is arranged between the front fork and the disc and connected with the front fork, a hose is arranged between the dust absorption assembly and the aluminum pipe and connected with the front fork, the front fork clamps the hose, the aluminum pipe and a brushless motor circuit line to be installed, an installation shell is fixed on the aluminum pipe, a controller capable of controlling the brushless motor is arranged in the installation shell, the brushless motor circuit line is connected to the controller, the rear end of the aluminum pipe is connected with a telescopic handle assembly, a holding part which is integrally formed is arranged on the installation shell, and the telescopic handle assembly can telescopically adjust the distance between the telescopic handle assembly and the installation shell. Compared with the prior art, the utility model has the advantages that the brushless motor is adopted to drive the machine to work, and the flexibility and the service life of the machine are improved by utilizing the characteristics of the brushless motor; the brushless motor controller is far away from the brushless motor and the dust channel, so that the damage risk is reduced; the double-handle setting, and flexible handle assembly is flexible adjusts, and the suitability is strong.

Description

Lithium electric brushless self-absorption long handle grinding machine

Technical Field

The utility model relates to the technical field of grinders, in particular to a long-handle grinder, and particularly relates to a lithium-ion brushless self-absorption long-handle grinder.

Background

The polisher polishes through rotating and easily appears the dust when polishing, and in order to avoid the dust to influence driving motor work, the polisher is generally public with the dust catcher, and for reduce cost, current polisher collection is polished the dust absorption and is as an organic whole.

The driving motor of part of the self-absorption sander adopts a brushed motor, but the brushed motor has a large volume, a heavy weight, a reversing structure of an alternating current motor and a short plate with a worn carbon brush, so that the flexibility and the service life of the sander are affected; and the controller that part is from inhaling the grinder control driving motor installs behind the driving motor stator, leads to the dust accumulation easily, increases the damage risk.

Some patents, as in the publication No. CN209304229U, provide a dust-absorbing heat-dissipating device for a wall surface grinding machine, in which a brushless motor is used as a motor, and a controller of the motor is installed away from the motor, so as to increase the flexibility and the service life of the machine, but the operating rod has a limited length and is weak in applicability.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a lithium battery brushless self-absorption long handle grinding machine which is flexible to use, long in service life and strong in applicability.

The technical scheme adopted by the utility model for solving the technical problems is as follows: lithium electric brushless is from inhaling long handle polisher, including the disc to and fix dust absorption subassembly, head shell subassembly and brushless motor on the disc, brushless motor drive dust absorption subassembly work, rotate on the head shell subassembly and be connected with the front fork, just be connected with the hose on the dust absorption subassembly, front fork centre gripping hose installation, just be fixed with the aluminum pipe on the front fork, hose intercommunication aluminum pipe installation, its characterized in that, brushless motor's circuit line laminating aluminum pipe outer wall and wear out the front fork, be fixed with the installation shell on the aluminum pipe, installation shell clamping circuit line and aluminum pipe are fixed, are equipped with the controller in the installation shell, and circuit line links to the installation shell in and connects the controller, the work of brushless motor is controlled to the controller, just can dismantle the battery package that is connected with the power supply on the installation shell, be equipped with integrated into one piece's holding portion on the installation shell, be equipped with flexible handle subassembly and insert installation in installation shell and the aluminum pipe, the telescopic handle assembly can be used for telescopically adjusting the distance between the telescopic handle assembly and the mounting shell.

Furthermore, the installation shell is provided with an installation part for installing the controller, and the installation part is arranged at the front end of the holding part.

Furthermore, the rear end of the holding part is provided with a clamping part, and a locking piece is arranged and in threaded connection with the clamping part.

Further, the locking piece is rotated, the clamping part clamps or is attached to the telescopic handle assembly, and the locking piece is matched with the clamping part to limit the telescopic handle assembly to be adjusted in a telescopic mode.

Furthermore, the telescopic handle assembly comprises an insertion tube and a rear handle fixed on the insertion tube in a penetrating and sleeving manner, the insertion tube is inserted into the installation shell and the aluminum tube and is installed, and the insertion tube is communicated with the aluminum tube.

Furthermore, the rear handle is provided with a sleeve part which is sheathed on the cannula, and the sleeve part is provided with a handle part with a T-shaped structure.

Furthermore, the rear end of the sleeve part is provided with a connecting pipe for connecting a dust bag or a dust box, and the connecting pipe is communicated with the sleeve part and the insertion pipe.

Furthermore, a dust outlet is arranged on the disc, and the dust collection assembly is fixed at the dust outlet.

Furthermore, the dust collection assembly comprises a fixed shell fixed at the dust outlet and a fan blade arranged in the fixed shell and rotatably installed.

Furthermore, a polishing disc is rotatably arranged below the disc, the brushless motor can simultaneously drive the fan blade and the polishing disc to rotate, and the rotating axis of the fan blade is perpendicular to the rotating axis of the polishing disc.

Compared with the prior art, the utility model has the advantages that the brushless motor is adopted to drive the machine to work, and the flexibility and the service life of the machine are improved by utilizing the characteristics of the brushless motor; the brushless motor controller is far away from the brushless motor and the dust channel, so that the damage risk is reduced; the double-handle setting, and flexible regulation of flexible handle subassembly, the suitability is strong.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating the preferred embodiments and therefore should not be taken as limiting the scope of the utility model, and further that, unless otherwise indicated, the drawings are only schematic in nature and represent compositions or configurations of the described objects and may contain exaggerated displays, and that the drawings are not necessarily drawn to scale.

FIG. 1 is a schematic view of a self-priming long handle sander;

FIG. 2 is a partial cross-sectional view of a self-priming long handle sander;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an exploded view of the connection assembly and the telescoping handle assembly;

FIG. 5 is an enlarged view of portion B of FIG. 4;

FIG. 6 is an enlarged view of portion C of FIG. 4;

FIG. 7 is an exploded view of the working head;

figure 8 is an exploded view of the suction assembly.

In the figure: 1. a disc 1-1 and a dust outlet; 2. the dust collection assembly comprises a dust collection assembly 2a, a fixed shell 2b, a fan blade 2c and a hose; 3. a head housing assembly; 4. a brushless motor, 4-1, a circuit line; 5. grinding disc; 6. a front fork; 7. an aluminum tube; 8. the mounting device comprises a mounting shell 8-1, a mounting part 8-2, a holding part 8-3 and a clamping part; 9. a controller; 10. a switch; 11. a speed regulating member; 12. a dust joint; 13. a battery pack; 001. the telescopic handle component: 14. inserting a tube; 15. the handle comprises a rear handle, 15-1 parts, a sleeve part, 15-2 parts, a handle part, 15-3 parts, a connecting section, 15-4 parts and a connecting pipe; 16. a locking member.

Detailed Description

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, and those skilled in the art will appreciate that the descriptions are illustrative only, exemplary and should not be construed as limiting the scope of the present invention.

It should be noted that: like reference numerals refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.

This embodiment mainly explains the lithium electricity that uses flexibility, long service life and suitability are strong is brushless from inhaling long handle polisher, specifically as follows:

as shown in fig. 1~8, lithium electricity is brushless from inhaling long handle polisher, including working head, coupling assembling and telescopic handle subassembly 001, coupling assembling's one end is located to the working head, and telescopic handle subassembly 001 is scalable to be pegged graft at coupling assembling's the other end, can control the working direction and the position of working head through dragging coupling assembling or telescopic handle subassembly 001.

As shown in fig. 7 to 8, the working head includes a disc 1, a dust collection assembly 2, a head housing assembly 3 and a brushless motor 4 are fixed on the disc 1, and a polishing disc 5 is rotatably mounted below the disc 1, in this embodiment, the head housing assembly 3 is disposed between the dust collection assembly 2 and the brushless motor 4.

The disc 1 is provided with a dust outlet 1-1 which penetrates through the disc 1 up and down, the dust collection assembly 2 comprises a fixed shell 2a fixed at the dust outlet 1-1 and a fan blade 2b arranged in the fixed shell 2a and rotatably mounted, the brushless motor 4 drives the fan blade 2b and the polishing disc 5 to rotate, in the embodiment, a rotating axis of a driving end of the brushless motor 4 is collinear with a rotating axis of the fan blade 2b, the brushless motor 4 is used for driving the polishing disc 5 to rotate in a turning manner, the rotating axis of the driving end of the brushless motor is perpendicular to the rotating axis of the polishing disc 5, namely the rotating axis of the fan blade 2b is perpendicular to the rotating axis of the polishing disc 5, preferably, a driving shaft connecting the driving end of the brushless motor 4 with the fan blade 2b and the polishing disc 5 is arranged in the head shell assembly 3, and the direction change transmission between the driving end of the brushless motor 4 and the polishing disc 5 is realized through umbrella teeth.

As shown in fig. 1 to 6, the connecting assembly includes a front fork 6 with a front end rotatably connected to the head housing assembly 3, an aluminum pipe 7 is fixed at a rear end of the front fork 6, a mounting housing 8 is fixed at a position of the aluminum pipe 7 near the rear end, a controller 9 is fixed in the mounting housing 8, the controller 9 controls the brushless motor 4 to work, a circuit line 4-1 is arranged between the brushless motor 4 and the controller 9 for connection, a hose 2c is connected to an upper end of a fixing housing 2a of the dust collection assembly 2, the hose 2c is connected to the aluminum pipe 7 for mounting, and the circuit line 4-1 of the brushless motor 4 is attached to an outer wall of the aluminum pipe 7 and penetrates out of the front fork 6, in this embodiment, the front fork 6, the fixing housing 2a and the mounting housing 8 are respectively composed of a left half shell and a right half shell, the front fork 6 clamps the aluminum pipe 7 and the circuit line 4-1 at one side is fixed, the mounting housing 8 clamps the circuit line 4-1 at the other side and the controller 9 is fixed, preferably, a communicating conduit is arranged between the front fork 6 and the mounting shell 8, the conduit is arranged outside the aluminum pipe 7 and distributed in parallel with the aluminum pipe 7, and the circuit line 4-1 can penetrate through the conduit for mounting.

Preferably, the hose 2c connected to the upper end of the fixed casing 2a may be a bellows.

The detachable battery package 13 that is connected with below the installation shell 8, battery package 13 can be for the power supply of 4 work of brushless motor, and battery package 13 passes through buckle isotructures detachable connection installation shell 8.

For the simple operation, be equipped with switch 10 and the speed regulating part 11 of connection controller 9 on the installation shell 8, switch 10 control brushless motor 4's break-make electricity, and speed regulating part 11 control brushless motor 4's rotational speed.

In this embodiment, the mounting case 8 is provided with a holding portion 8-2 formed integrally, the rear end of the holding portion 8-2 is provided with a clamping portion 8-3, the telescopic handle assembly 001 is inserted into the clamping portion 8-3 of the mounting case 8 and inserted into the aluminum pipe 7 for mounting, preferably, the mounting case 8 is provided with a mounting portion 8-1 for mounting the controller 9, the mounting portion 8-1 is provided at the front end of the holding portion 8-2, and the mounting portion 8-1 and the battery pack 13 are distributed up and down.

The telescopic handle assembly 001 comprises an insertion tube 14 inserted into the installation shell 8 and the aluminum tube 7, and a rear handle 15 sleeved on the insertion tube 14, a locking piece 16 is arranged and in threaded connection with a clamping part 8-3 on the installation shell 8, the locking piece 16 is rotated, the clamping part 8-3 can clamp or release the insertion tube 14, and when the clamping part 8-3 clamps the insertion tube 14, the locking piece 16 is matched with the clamping part 8-3 to limit the telescopic movement of the telescopic handle assembly 001; when the clamping part 8-3 is separated from the insertion tube 14, the distance between the rear handle 15 and the mounting shell 8 can be telescopically adjusted, preferably, a threaded section which is in threaded connection with the locking piece 16 on the mounting shell 8 can be arranged between the holding part 8-2 and the clamping part 8-3, the clamping part 8-3 is a plurality of adjacent patches with intervals, and the patches are all arranged obliquely inwards.

A dust joint 12 is fixed on the rear end of the aluminum tube 7, the dust joint 12 is arranged in the mounting shell 8, the insertion tube 14 is inserted into the dust joint 12 for mounting, and preferably, the dust joint 12 prevents dust in the aluminum tube 7 or the insertion tube 14 from leaking or entering the mounting shell 8.

In order to avoid the rotation of the telescopic handle assembly 001 during telescopic adjustment, a limiting groove and a protruding structure are arranged between the insertion tube 14 and the installation shell 8 to limit the telescopic handle assembly 001 to rotate during telescopic adjustment.

The rear handle 15 is provided with a sleeve part 15-1 which is fixedly sheathed on the cannula 14, and the sleeve part 15-1 is provided with a handle part 15-2 with a T-shaped structure, in the embodiment, the sleeve part 15-1 is provided with a connecting section 15-3, and the connecting section 15-3 is connected with the sleeve part 15-1 and the handle part 15-2, so that the sleeve part 15-1 and the handle part 15-2 have a distance.

As the rear end of the rear handle 15 is the final position of the machine, the rear end of the sleeve part 15-1 is provided with a connecting pipe 15-4 for connecting a dust bag or a dust box, and the connecting pipe 15-4 is communicated with the sleeve part 15-1 and the inserting pipe 14.

Preferably, when the connecting pipe 15-4 is damaged, the rear handle 15 can be directly replaced, so that the replacement cost can be reduced.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "inner", "outer", and the like refer to the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which the products of the present invention usually put in use, are only for convenience of describing the present invention and simplifying the description, but do not refer to or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

While the present invention has been described in detail with reference to the foregoing description of the utility model, the principle and embodiments of the utility model are illustrated by specific examples, which are only used to help understand the utility model and the core idea, it should be noted that those skilled in the art can make various modifications and alterations to the utility model without departing from the principle of the utility model, and the modifications and alterations also fall into the protection scope of the claims of the present invention.

Claims

1. Lithium electric brushless is from inhaling long handle polisher, including the disc to and fix dust absorption subassembly, head shell subassembly and brushless motor on the disc, brushless motor drive dust absorption subassembly work, rotate on the head shell subassembly and be connected with the front fork, just be connected with the hose on the dust absorption subassembly, front fork centre gripping hose installation, just be fixed with the aluminum pipe on the front fork, hose intercommunication aluminum pipe installation, its characterized in that, brushless motor's circuit line laminating aluminum pipe outer wall and wear out the front fork, be fixed with the installation shell on the aluminum pipe, installation shell clamping circuit line and aluminum pipe are fixed, are equipped with the controller in the installation shell, and circuit line links to the installation shell in and connects the controller, the work of brushless motor is controlled to the controller, just can dismantle the battery package that is connected with the power supply on the installation shell, be equipped with integrated into one piece's holding portion on the installation shell, be equipped with flexible handle subassembly and insert installation in installation shell and the aluminum pipe, the telescopic handle assembly can be used for telescopically adjusting the distance between the telescopic handle assembly and the mounting shell.

2. The lithium-ion brushless self-priming long-handle grinding machine according to claim 1, wherein an installation part for installing the controller is arranged on the installation shell, and the installation part is arranged at the front end of the holding part.

3. The lithium-ion brushless self-priming long-handle sander according to claim 2, wherein a clamping portion is provided at a rear end of the holding portion, and a locking member is provided to be in threaded connection with the clamping portion.

4. The lithium-ion brushless self-absorption long-handle grinding machine according to claim 3, characterized in that the clamping portion clamps or adheres to the telescopic handle assembly by rotating the locking piece, and the locking piece is matched with the clamping portion to limit telescopic adjustment of the telescopic handle assembly.

5. The lithium-ion brushless self-absorption long-handle grinding machine according to claim 1, wherein the telescopic handle assembly comprises an insertion tube and a rear handle fixed on the insertion tube in a penetrating manner, the insertion tube is inserted into a mounting shell and an aluminum tube and is mounted, and the insertion tube is communicated with the aluminum tube.

6. The lithium electric brushless self-absorption long-handle grinding machine according to claim 5, wherein the rear handle is provided with a sleeve part sheathed on the insertion tube, and the sleeve part is provided with a handle part with a T-shaped structure.

7. The lithium electric brushless self-absorption long-handle grinding machine as claimed in claim 6, wherein a connection pipe for connecting a dust bag or a dust box is arranged at the rear end of the sleeve part, and the connection pipe is communicated with the sleeve part and the insertion pipe.

8. The lithium-ion electric brushless self-absorption long-handle grinding machine as claimed in claim 1, wherein a dust outlet is formed in the disc, and the dust absorption assembly is fixed at the dust outlet.

9. The lithium-ion electric brushless self-priming long-handle sander according to claim 8, wherein the dust collection assembly comprises a stationary housing fixed at the dust outlet, and a fan blade rotatably mounted in the stationary housing.

10. The lithium electric brushless self-absorption long-handle grinding machine according to claim 9, wherein a grinding disc is rotatably mounted below the disc, the brushless motor can simultaneously drive the fan blade and the grinding disc to rotate, and the rotation axis of the fan blade is perpendicular to the rotation axis of the grinding disc.