CN219131844U

CN219131844U - Brushless angle grinder

Info

Publication number: CN219131844U
Application number: CN202223110179.5U
Authority: CN
Inventors: 陈范斌
Original assignee: Ningbo Yongfeite Electronic Science And Technology Co ltd
Current assignee: Ningbo Yongfeite Electronic Science And Technology Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-06-06
Anticipated expiration: 2032-11-22

Abstract

The application discloses brushless angle grinder, including organism, drive assembly and uncoupling mechanism. The machine body is provided with a grinding wheel; the driving assembly is arranged in the machine body and comprises a battery pack, a motor and a power switch arranged on the motor; the switch mechanism comprises a movable plate switch, a button switch, a pull rod and a first spring, wherein a control part is arranged on the pull rod, one end of the first spring is connected with the inner wall of the machine body, the other end of the first spring is connected with the control part, the movable plate switch and the button switch are respectively connected with the pull rod in a matched mode, and the movable plate switch and the button switch can control the pull rod to drive the control part to move so as to switch the power switch on and off. The application provides two kinds of switch key positions to satisfy the user crowd of different on-off key habits, improve practicality and security.

Description

Brushless angle grinder

Technical Field

The application relates to the field of electric tools, in particular to a brushless angle grinder.

Background

The hand-held brushless angle grinder is a portable electric tool, is a drilling machine using electricity as power, and is a conventional product in the electric tool. Common brushless angle grinders include hand brushless angle grinders. The drill bit is driven to drive the operation device through the rotation of the motor, so that the drill bit scrapes the surface of an object to penetrate the object. The hand brushless angle grinder has the minimum power, the application range is only limited to wood drilling and electric screwdrivers, and part of hand brushless angle grinder can be changed into a special tool according to the application, and the application and the model are more.

The existing hand-held brushless angle grinder usually selects a push-pull switch key or a push-press switch key, and a user cannot adapt to a new key after being used to a specific key, so that misoperation and other phenomena can occur, and potential safety hazards exist.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide a brushless angle grinder, which provides two switch key positions so as to meet the user groups with different switch key habits and improve the practicability and the safety.

To achieve the above object, the present application provides a brushless angle grinder comprising: a machine body, on which a grinding wheel is arranged; the driving assembly is arranged in the machine body and comprises a battery pack, a motor and a power switch arranged on the motor; and the switch mechanism comprises a movable plate switch, a button switch, a pull rod and a first spring, wherein a control part is arranged on the pull rod, one end of the first spring is connected with the inner wall of the machine body, the other end of the first spring is connected with the control part, the movable plate switch and the button switch are respectively connected with the pull rod in a matched manner, and the movable plate switch and the button switch can control the pull rod to drive the control part to move so as to switch on and off the power switch.

Compared with the prior art, the beneficial effect of this application lies in: many users can not adapt to a new switch key mode after replacing equipment, so that the user can select the movable plate switch or the button switch to switch the power switch according to own key habits, the user can finish the starting or closing actions through the customary switch key positions, the working efficiency is improved, the possibility of misoperation is prevented, and the practicability is improved.

As an improvement, the movable plate switch is fixedly connected to the pull rod, the push button switch is pressed to enable the pull rod to drive the movable plate switch to move, through the improvement, the movable plate switch and the push button switch are both opened and closed to the power switch through the pull rod, linkage of two switch keys is achieved through one pull rod, and therefore the internal structure is saved, and the whole structure is more compact and practical.

As an improvement, be equipped with first draw-in groove on the organism, movable plate switch includes pushing part and joint portion, through pushing part is suitable for to push movable plate switch, so that joint portion with first draw-in groove joint, and make switch opens, through above-mentioned improvement, movable plate switch can make joint portion and first draw-in groove joint through pushing of pushing part to open switch, again through pushing the pushing part in reverse then can make switch close, the simple operation.

As an improvement, the movable plate switch further comprises a pressing part, the pressing part is pressed to separate the pressing part from the first clamping groove and close the power switch, and through the improvement, the action of closing the power switch can be rapidly completed through the pressing part, and when necessary, the grinding wheel can be prevented from rotating at a high speed to hurt people, so that the safety is improved.

As an improvement, be equipped with first inclined plane on the joint portion, be equipped with on the first draw-in groove with the second inclined plane of first inclined plane looks adaptation, when push button switch is in under the pressing state, press the portion with first draw-in groove separation, through above-mentioned improvement, when exerting great force, the butt of accessible first inclined plane and second inclined plane accomplishes the separation of press portion and first draw-in groove.

As an improvement, the machine body is provided with an opening for the button switch to move up and down, and the pull rod is provided with a chute for the bottom of the button switch to pass through; the bottom of the push button switch is provided with a first permanent magnet, the inner wall of the chute is provided with a second permanent magnet which is magnetically repulsed with the first permanent magnet, the push button switch is pressed so that the first permanent magnet and the second permanent magnet are positioned at the same horizontal position or separated so that the power switch is opened or closed, through the improvement, when the push button switch is pressed so that the first permanent magnet and the second permanent magnet are positioned at the same horizontal position, under the renting of repulsing magnetic force, the pull rod moves and the control part opens the power switch, and when the push button switch is pressed again so that the first permanent magnet and the second permanent magnet are separated, the control part is separated from the power switch under the action of a spring, and therefore, the automatic control can be realized conveniently and automatically through the push button switch.

As an improvement, a second spring is arranged in the opening, and the second spring is vertically arranged between the button switch and the bottom wall of the opening; the mounting hole has been seted up on the lateral wall of trompil, be equipped with third spring and fixture block in the mounting hole, be equipped with on the lateral wall of button switch with the second draw-in groove of fixture block looks adaptation, through above-mentioned improvement, realize switch's switching through the simple action of single push button switch, improved the structure, make the user accomplish the action through lighter application of force.

Drawings

FIG. 1 is a cross-sectional view of the overall structure of the present application when a power switch is turned on by a movable plate switch;

FIG. 2 is an enlarged schematic view of a portion of FIG. 1A;

FIG. 3 is a cross-sectional view of the overall structure of FIG. 2 when the power switch is turned on by the push button switch;

FIG. 4 is an enlarged partial schematic view of B in FIG. 2;

FIG. 5 is an enlarged partial schematic view of FIG. 2C;

fig. 6 is an enlarged partial schematic view of D in fig. 3.

In the figure: 1. a body; 11. a first clamping groove; 111. a second inclined surface; 12. opening holes; 121. a second spring; 122. a mounting hole; 1221. a third spring; 1222. a clamping block; 2. grinding wheel; 31. a battery pack; 32. a motor; 33. a power switch; 4. a movable plate switch; 41. a pushing part; 42. a clamping part; 421. a first inclined surface; 43. a pressing part; 5. a push button switch; 51. a first permanent magnet; 52. a second clamping groove; 6. a pull rod; 61. a control unit; 62. a chute; 621. a second permanent magnet; 7. a first spring.

Detailed Description

The present application will be further described with reference to the specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.

In the description of the present application, it should be noted that, for the purposes of describing the present application and simplifying the description, it should be noted that, as for the directional words, such as terms "center", "upper", "lower", "front", "rear", "vertical", "horizontal", "inner", "outer", etc., the directional and positional relationships are based on the directional or positional relationships shown in the drawings, only for convenience of description and simplification of the description, and not to indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and in the claims of the present application are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.

The terms "comprises" and "comprising," along with any variations thereof, in the description and claims of the present application are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements that are expressly listed or inherent to such process, method, article, or apparatus.

The application provides a brushless angle grinder, as shown in figures 1-6, comprising a machine body 1, a driving assembly and an opening and hanging mechanism. The machine body 1 is provided with a grinding wheel 2; the driving component is arranged in the machine body 1 and comprises a battery pack 31, a motor 32 and a power switch 33 arranged on the motor 32; the switch mechanism comprises a movable plate switch 4, a push-button switch 5, a pull rod 6 and a first spring 7, wherein a control part 61 is arranged on the pull rod 6, one end of the first spring 7 is connected with the inner wall of the machine body 1, the other end of the first spring is connected with the control part 61, the movable plate switch 4 and the push-button switch 5 are respectively connected with the pull rod 6 in a matched manner, and the movable plate switch 4 and the push-button switch 5 can control the pull rod 6 to drive the control part 61 to move so as to switch on and off the power switch 33.

Although both the movable plate switch 4 and the push button switch 5 can turn off the power switch 33, when the power switch 33 is turned on by the movable plate switch 4 or the push button switch 5, the power switch 33 can be turned off by pressing the same corresponding key.

Specifically, as shown in fig. 1-3, the moving plate switch 4 is fixedly connected to the pull rod 6, and the push button switch 5 is pressed to enable the pull rod 6 to drive the moving plate switch 4 to move.

Specifically, as shown in fig. 2 and 4, the body 1 is provided with a first clamping groove 11, the movable plate switch 4 includes a pushing portion 41 and a clamping portion 42, and the movable plate switch 4 is adapted to be pushed by the pushing portion 41, so that the clamping portion 42 is clamped with the first clamping groove 11, and the power switch 33 is turned on.

Preferably, as shown in fig. 4, the movable plate switch 4 further includes a pressing portion 43, and pressing the pressing portion 43 can separate the pressing portion 43 from the first clamping groove 11 and turn off the power switch 33. The user can push the push part 41 to turn on the power switch 33, prevent the false touch, and can quickly turn off the power switch 33 by pressing the pressing part 43 to quickly turn off the power switch 33 in emergency.

Specifically, as shown in fig. 4, the locking portion 42 is provided with a first inclined plane 421, the first slot 11 is provided with a second inclined plane 111 adapted to the first inclined plane 421, and when the push switch 5 is in a pressed state, the pressing portion 43 is separated from the first slot 11.

Specifically, as shown in fig. 5-6, the machine body 1 is provided with an opening 12 for the button switch 5 to move up and down, and the pull rod 6 is provided with a chute 62 for the bottom of the button switch 5 to pass through; the bottom of the push button switch 5 is provided with a first permanent magnet 51, the inner wall of the chute 62 is provided with a second permanent magnet 621 which is magnetically repulsed with the first permanent magnet 51, and the push button switch 5 is pressed to enable the first permanent magnet 51 and the second permanent magnet 621 to be positioned at the same horizontal position or separated, so that the power switch 33 is opened or closed.

Preferably, a second spring 121 is arranged in the opening 12, and the second spring 121 is vertically arranged between the button switch 5 and the bottom wall of the opening 12; the side wall of the opening 12 is provided with a mounting hole 122, a third spring 1221 and a clamping block 1222 are arranged in the mounting hole 122, and the side wall of the button switch 5 is provided with a second clamping groove 52 matched with the clamping block 1222.

The working principle of the application is as follows: as shown in fig. 2 and 4, pushing the pushing part 41 drives the moving plate switch 4 to move, so that the clamping part 42 is in clamping fit with the first clamping groove 11, and the first inclined plane 421 is in contact with the second inclined plane 111, at this time, the control part 61 turns on the power switch 33, and the grinding wheel 2 operates. When the power switch 33 needs to be turned off, the pushing part 41 is pushed reversely, or the pressing part 43 is pressed, so that the clamping part 42 is separated from the first clamping groove 11, the pull rod 6 and the control part 61 are reset under the action of the first spring 7, and the power switch 33 is turned off.

Normally, as shown in fig. 5, the push button switch 5 is in an ejecting state, the first permanent magnet 51 and the second permanent magnet 621 are in a separated state, i.e. are not in the same horizontal position, and the push button switch 5 is pressed, as shown in fig. 6, at this time, the clamping block 1222 is clamped with the second clamping groove 52, under the acting force of the third spring 1221 and the clamping block 1222, i.e. the pressure of the second spring 121 is smaller than the pressure of the second spring 121 and the clamping block 1222, at this time, the push button switch 5 is in a pressed state, the first permanent magnet 51 and the second permanent magnet 621 are in the same horizontal position, under the acting force of magnetic force repulsion, the pull rod 6 drives the control part 61 to move to the position as shown in fig. 3, at this time, the control part 61 has already opened the power switch 33, but the clamping part 42 of the movable plate switch 4 is not clamped in the clamping groove, and the power switch 33 is opened. When the button switch 5 is required to be turned off, the second spring 121 is compressed again at this time, and the degree of deformation is increased to make the pressure applied to the button switch 5 greater than the pressure of the second spring 121 and the clamp block 1222, so that the button switch 5 is ejected, at this time, the first permanent magnet 51 and the second permanent magnet 621 are not at the same horizontal position, the pull rod 6 and the control part 61 are reset under the action of the first spring 7, and the power switch 33 is turned off.

The foregoing has outlined the basic principles, main features and advantages of the present application. It will be appreciated by persons skilled in the art that the present application is not limited to the embodiments described above, and that the embodiments and descriptions described herein are merely illustrative of the principles of the present application, and that various changes and modifications may be made therein without departing from the spirit and scope of the application, which is defined by the appended claims. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A brushless angle grinder, comprising:

a machine body, on which a grinding wheel is arranged;

the driving assembly is arranged in the machine body and comprises a battery pack, a motor and a power switch arranged on the motor; and

the switch mechanism comprises a movable plate switch, a button switch, a pull rod and a first spring, wherein a control part is arranged on the pull rod, one end of the first spring is connected with the inner wall of the machine body, the other end of the first spring is connected with the control part, the movable plate switch and the button switch are respectively connected with the pull rod in a matched mode, and the movable plate switch and the button switch can control the pull rod to drive the control part to move so as to switch on and off the power switch.

2. The brushless angle grinder of claim 1, wherein: the movable plate switch is fixedly connected to the pull rod, and the push button switch is pressed to enable the pull rod to drive the movable plate switch to move.

3. The brushless angle grinder of claim 2, wherein: the machine body is provided with a first clamping groove, the movable plate switch comprises a pushing part and a clamping part, the movable plate switch is suitable for pushing through the pushing part, so that the clamping part is clamped with the first clamping groove, and the power switch is turned on.

4. A brushless angle grinder as claimed in claim 3, wherein: the movable plate switch further comprises a pressing part, and the pressing part can be pressed to separate the pressing part from the first clamping groove and close the power switch.

5. The brushless angle grinder of claim 4, wherein: the clamping part is provided with a first inclined plane, the first clamping groove is provided with a second inclined plane matched with the first inclined plane, and when the push button switch is in a pressed state, the pressing part is separated from the first clamping groove.

6. The brushless angle grinder of claim 2, wherein: the machine body is provided with an opening for the button switch to move up and down, and the pull rod is provided with a chute for the bottom of the button switch to pass through;

the bottom of the push button switch is provided with a first permanent magnet, the inner wall of the chute is provided with a second permanent magnet which is magnetically repulsed with the first permanent magnet, and the push button switch is pressed to enable the first permanent magnet and the second permanent magnet to be positioned at the same horizontal position or separated from each other, so that the power switch is opened or closed.

7. The brushless angle grinder of claim 6, wherein: a second spring is arranged in the opening, and the second spring is vertically arranged between the button switch and the bottom wall of the opening;

the side wall of the opening is provided with a mounting hole, a third spring and a clamping block are arranged in the mounting hole, and the side wall of the button switch is provided with a second clamping groove matched with the clamping block.