CN211517054U

CN211517054U - Angle grinder

Info

Publication number: CN211517054U
Application number: CN201922157279.5U
Authority: CN
Inventors: 彭泽友
Original assignee: Chengdu Yunhong Technology Co ltd
Current assignee: Chengdu Yunhong Technology Co ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-09-18
Anticipated expiration: 2029-12-05

Abstract

The utility model discloses an angle grinder, which comprises a housin, the right flank fixedly connected with first in command of casing, the medial surface fixedly connected with starting switch in command, the medial surface of first in command and the below that is located starting switch are fixed and are provided with the recess, the right flank of casing and the below fixedly connected with electric wire that is located the first in command, the last fixed surface of casing is connected with the second in command, the leading flank fixedly connected with safety protection shell of casing. The utility model discloses, be provided with speedtransmitter, when the speed of axis takes place the sudden change, speedtransmitter can produce the response to signal connection switch cuts off power transmission, thereby has avoided electric power components and parts to burn out, prolongs the life of angle mill, utilizes the motor to provide power, uses shaft joint and steering gear to transmit power, makes it can carry out the transmission of great torque, and intensity is higher moreover, makes its life longer.

Description

Angle grinder

Technical Field

The utility model relates to a processing apparatus equipment field especially relates to an angle mill.

Background

An angle grinder, also called a grinder or a disc grinder, is a grinding tool for cutting and grinding glass fiber reinforced plastics, is a portable electric tool for cutting and grinding glass fiber reinforced plastics, is mainly used for cutting, grinding and brushing metal and stone materials, and is suitable for cutting, grinding and brushing metal and stone materials, water is not available during operation, and a guide plate is required during cutting stone materials.

The angle grinder has many cautions when in work, and when a new hand operates, the longest occurrence is that a grinding sheet is blocked, so that work delay is caused, even a motor is possibly burnt out, and loss is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an angle grinder.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an angle grinder comprises a shell, wherein a first handle is fixedly connected to the right side face of the shell, a starting switch is fixedly connected to the inner side face of the first handle, a groove is fixedly formed in the inner side face of the first handle and located below the starting switch, an electric wire is fixedly connected to the right side face of the shell and located below the first handle, a second handle is fixedly connected to the upper surface of the shell, a safety protection shell is fixedly connected to the front side face of the shell, a fixing plate is fixedly connected to the front side face of the safety protection shell, a motor is fixedly connected to the inner portion of the shell, a connecting shaft is fixedly connected to the output end of the motor, a speed sensor is fixedly connected to the side surface of the connecting shaft, a coupler is fixedly connected to one end, away from the motor, of the coupler is fixedly connected to a rotating shaft, and a commutator is fixedly connected to one end, away, and one side of the commutator, which is vertical to the rotating shaft, is fixedly connected with a transmission shaft.

As a further description of the above technical solution:

the transmission shaft is a stepped shaft, and one end of the transmission shaft, which is far away from the commutator, extends to the outside of the shell and is provided with threads.

As a further description of the above technical solution:

the side surface of the transmission shaft is fixedly connected with grinding plates, and the side surface of the transmission shaft, which is positioned on the right side of the grinding plates, is fixedly connected with fixing screws.

As a further description of the above technical solution:

the fixing plate enables the safety protection shell to be fixedly connected with the shell through screws, and the grinding disc is located on the right side of the fixing plate.

As a further description of the above technical solution:

the number of the grooves is multiple, and the shape of the grooves is suitable for hand holding.

As a further description of the above technical solution:

the speed sensor is in signal connection with the starting switch, and an anti-skid rubber sleeve is arranged on the side surface of the second handle.

The utility model discloses following beneficial effect has:

1. compared with the prior art, the angle grinder is provided with the speed sensor, when the speed of the shaft changes suddenly, the speed sensor can generate induction, so that the signal is connected with the switch to cut off power transmission, electric power components are prevented from being burnt, and the service life of the angle grinder is prolonged.

2. Compared with the prior art, the angle grinder utilizes the motor to provide power, uses the coupling and the steering gear to transmit the power, so that the angle grinder can transmit larger torque, has higher strength and has longer service life.

Drawings

FIG. 1 is an overall structure diagram of an angle grinder according to the present invention;

FIG. 2 is an internal structure view of an angle grinder according to the present invention;

fig. 3 is a side view of a transmission of an angle grinder according to the present invention.

Illustration of the drawings:

1. a housing; 2. a first handle; 3. an electric wire; 4. starting a switch; 5. a groove; 6. a second handle; 7. a safety protection shell; 8. a drive shaft; 9. a fixing plate; 10. a motor; 11. a connecting shaft; 12. a coupling; 13. a rotating shaft; 14. a commutator; 15. a speed sensor; 16. grinding; 17. and fixing the screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the utility model provides a pair of angle grinder: the angle grinder comprises a shell 1, wherein a first handle 2 is fixedly connected to the right side face of the shell 1 and is responsible for hand holding and convenient to process, a starting switch 4 is fixedly connected to the inner side face of the first handle 2 to start an angle grinder, the angle grinder is convenient to open and close at the position, a groove 5 is fixedly arranged on the inner side face of the first handle 2 and below the starting switch 4 to enable the angle grinder to be comfortable to hold, an electric wire 3 is fixedly connected to the right side face of the shell 1 and below the first handle 2 to provide power for the angle grinder, a second handle 6 is fixedly connected to the upper surface of the shell 1 and is convenient to process, a safety protection shell 7 is fixedly connected to the front side face of the shell 1 to protect human bodies from sparks and flying debris, a fixing plate 9 is fixedly connected to the front side face of the safety protection shell 7 to fix the safety protection shell 7, a motor 10 is fixedly connected to the inside of, the output fixedly connected with connecting axle 11 of motor 10, transmit power, the side surface fixedly connected with speedtransmitter 15 of connecting axle 11, detect the speed change, motor 10's one end fixedly connected with shaft joint 12 is kept away from to connecting axle 11, one side fixedly connected with axis of rotation 13 of connecting axle 11 is kept away from to shaft joint 12, the one end fixedly connected with commutator 14 of shaft joint 12 is kept away from to axis of rotation 13, commutator 14 is responsible for the change direction, commutator 14 and one side fixedly connected with transmission shaft 8 of axis of rotation 13 vertically, connect the work piece.

Transmission shaft 8 is the step shaft, the one end that commutator 14 was kept away from to transmission shaft 8 extends to casing 1's outside and is provided with the screw thread, connect set screw 17, transmission shaft 8's side surface fixedly connected with abrasive disc 16, the processing part, transmission shaft 8's side surface just is located abrasive disc 16's right side fixedly connected with set screw 17, fixed safety protection shell 7, fixed plate 9 makes safety protection shell 7 and casing 1 fixed connection through the screw, abrasive disc 16's position is located the right side of fixed plate 9, the quantity of recess 5 has a plurality ofly, the shape of recess 5 accords with handheld, speedtransmitter 15 and starting switch 4 signal connection, the side surface of second handle 6 is provided with anti-skidding gum cover, make in the course of working, the hand is not smooth, improve processing safety.

The working principle is as follows: place abrasive disc 16 to operating position, start the angle mill through starting switch 4, the both hands hold first handle 2 and second handle 6, and motor 10 transmits power to abrasive disc 16 through transmission system, processes, and safety protection shell 7 places the spark that splashes and splashes to the human body, when speed sensor 15 detects the speed and produces the sudden change, can the deenergization, makes the machinery stop motion.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. An angle grinder comprising a housing (1), characterized in that: the right side face of the shell (1) is fixedly connected with a first handle (2), the inner side face of the first handle (2) is fixedly connected with a starting switch (4), the inner side face of the first handle (2) is fixedly provided with a groove (5) below the starting switch (4), the right side face of the shell (1) is fixedly connected with an electric wire (3) below the first handle (2), the upper surface of the shell (1) is fixedly connected with a second handle (6), the front side face of the shell (1) is fixedly connected with a safety protection shell (7), the front side face of the safety protection shell (7) is fixedly connected with a fixing plate (9), the inner part of the shell (1) is fixedly connected with a motor (10), the output end of the motor (10) is fixedly connected with a connecting shaft (11), and the side surface of the connecting shaft (11) is fixedly connected with a speed sensor (15), one end fixedly connected with shaft coupling (12) of motor (10) is kept away from in connecting axle (11), one side fixedly connected with axis of rotation (13) of connecting axle (11) are kept away from in shaft coupling (12), one end fixedly connected with commutator (14) of shaft coupling (12) are kept away from in axis of rotation (13), commutator (14) and axis of rotation (13) vertically one side fixedly connected with transmission shaft (8).

2. An angle grinder as claimed in claim 1, wherein: the transmission shaft (8) is a stepped shaft, and one end, far away from the commutator (14), of the transmission shaft (8) extends to the outside of the shell (1) and is provided with threads.

3. An angle grinder as claimed in claim 1, wherein: the side surface of the transmission shaft (8) is fixedly connected with a grinding plate (16), and the side surface of the transmission shaft (8) is fixedly connected with a fixing screw (17) which is positioned on the right side of the grinding plate (16).

4. An angle grinder as claimed in claim 3, wherein: the fixing plate (9) enables the safety protection shell (7) to be fixedly connected with the shell (1) through screws, and the grinding disc (16) is located on the right side of the fixing plate (9).

5. An angle grinder as claimed in claim 1, wherein: the number of the grooves (5) is multiple, and the shape of the grooves (5) is suitable for hand holding.

6. An angle grinder as claimed in claim 1, wherein: the speed sensor (15) is in signal connection with the starting switch (4), and an anti-skid rubber sleeve is arranged on the side surface of the second handle (6).