CN209774279U - electric grinder - Google Patents

electric grinder Download PDF

Info

Publication number
CN209774279U
CN209774279U CN201822078012.2U CN201822078012U CN209774279U CN 209774279 U CN209774279 U CN 209774279U CN 201822078012 U CN201822078012 U CN 201822078012U CN 209774279 U CN209774279 U CN 209774279U
Authority
CN
China
Prior art keywords
shell
circuit board
connecting sleeve
head
magnetic field
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201822078012.2U
Other languages
Chinese (zh)
Inventor
金焕焕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201822078012.2U priority Critical patent/CN209774279U/en
Application granted granted Critical
Publication of CN209774279U publication Critical patent/CN209774279U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)

Abstract

the utility model discloses an electric grinder, include: a housing having a long cylindrical shape; a motor fixed within the housing; the tail part of the connecting sleeve is connected with the motor, and the head part of the connecting sleeve extends out of the head part of the shell; the grinding head is connected to the head part of the connecting sleeve; and the control module comprises a circuit board fixed on the shell, a switch button arranged on the circuit board and protruding out of the shell, and a speed regulation button. The rotation speed of the grinding head can be adjusted during grinding operation by arranging the up-regulation button and the down-regulation button on the circuit board; through add lamp area and lamp shade on the casing, when the operation in the dark environment of light, the accessible is pressed light button and is made the lamp shade luminous, and then makes the operator can be clear see by the spare part of grinding.

Description

Electric grinder
Technical Field
The utility model relates to a hardware and tools especially relates to an electric grinder.
Background
an electric grinding tool (or called an electric grinder) in the prior art generally comprises a long cylindrical shell, a motor arranged in the shell, and a connecting sleeve connected with the motor and extending out of the head of the shell, wherein a grinding head is fixed at the head of the connecting sleeve, and the motor drives the grinding head to rotate through the connecting sleeve so as to carry out grinding operation.
the electric grinding tool in the prior art has the following defects:
1. the electric grinding tool does not have a speed regulation function.
2. In a dark environment, precise grinding work cannot be performed.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned technical problem that exists among the prior art, the embodiment of the utility model provides an electric grinder.
For solving the technical problem, the embodiment of the utility model adopts the following technical scheme:
an electric grinder comprising:
a housing having a long cylindrical shape;
a motor fixed within the housing;
The tail part of the connecting sleeve is connected with the motor, and the head part of the connecting sleeve extends out of the head part of the shell;
the grinding head is connected to the head part of the connecting sleeve;
and the control module comprises a circuit board fixed on the shell, a switch button arranged on the circuit board and protruding out of the shell, and a speed regulation button.
Preferably, the control module further comprises a display screen, and the display screen is arranged on the shell and electrically connected with the circuit board; wherein:
The electric grinder also comprises a detection mechanism for detecting the rotating speed of the grinding head;
the detection mechanism comprises a magnetic field inductor and a permanent magnet, wherein the magnetic field inductor is arranged on the connecting sleeve and is electrically connected with the circuit board, the permanent magnet is fixed in the shell and axially opposite to the magnetic field inductor, the magnetic field inductor sends an induction signal to the circuit board through the magnetic field of the induction permanent magnet so as to obtain the rotating speed of the grinding head, and the display screen is used for displaying the rotating speed of the grinding head.
Preferably, the head of the shell is further provided with an annular lampshade, a lamp strip is arranged on the inner side of the lampshade, and the lamp strip is electrically connected with the circuit board;
The control module group further comprises a light button which is arranged on the circuit board and protrudes out of the shell to be used for controlling the on and off of the light strip.
preferably, the tail part of the motor is provided with a fan; the shell is provided with a vent hole.
Compared with the prior art, the embodiment of the utility model provides an electric grinder's beneficial effect is:
1. the rotation speed of the grinding head can be adjusted during grinding operation by arranging the up-adjustment button and the down-adjustment button on the circuit board.
2. through add lamp area and lamp shade on the casing, when the operation in the dark environment of light, the accessible is pressed light button and is made the lamp shade luminous, and then makes the operator can be clear see by the spare part of grinding.
3. The fan is arranged at the tail of the motor, and the ventilation holes are formed in the shell, so that cooling air flow can be formed in the shell, and then components in the shell can be timely cooled.
4. The rotating speed of the grinding head is detected by adopting an induction magnetic field mode, and the grinding head is ingenious in design and simple in structure.
Drawings
fig. 1 is a schematic view of an internal structure of an electric grinder according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an external shape of an electric grinder according to an embodiment of the present invention.
in the figure:
10-a housing; 11-a vent hole; 20-a motor; 21-a fan; 30-a circuit board; 31-up button; 32-a switch button; 33-Down button; 34-light button; 41-permanent magnet; 42-a magnetic field inductor; 51-a lampshade; 52-lamp strip; 60-connecting sleeve.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 and 2, an embodiment of the present invention provides an electric grinder, including: the grinding wheel comprises a shell 10, a motor 20, a connecting sleeve 60, a grinding head and a control module. The housing 10 is in a long cylindrical shape; the motor 20 is fixed in the shell 10; the tail of the connecting sleeve 60 is connected to the motor 20, and the head thereof extends out of the head of the casing 10; the grinding head is connected with the head part of the connecting sleeve 60; the control module includes a circuit board 30 fixed to the housing 10, a switch button 32 provided on the circuit board 30 and protruding from the housing 10, an up button 31, and a down button 33.
In a preferred embodiment of the present invention, as shown in fig. 1 and 2, the control module further includes a display screen, which is installed on the housing 10 and electrically connected to the circuit board 30; wherein: the electric grinder also comprises a detection mechanism for detecting the rotating speed of the grinding head; the detection mechanism comprises a magnetic field inductor 42 arranged on the connecting sleeve 60 and electrically connected with the circuit board 30 and a permanent magnet 41 fixed in the shell 10 and axially opposite to the magnetic field inductor 42, the magnetic field inductor 42 sends an induction signal to the circuit board 30 by inducing the magnetic field of the permanent magnet 41 to obtain the rotating speed of the grinding head, and the display screen is used for displaying the rotating speed of the grinding head.
In a preferred embodiment of the present invention, as shown in fig. 1 and fig. 2, the head of the casing 10 is further provided with an annular lampshade 51, a lamp strip 52 is disposed inside the lampshade 51, and the lamp strip 52 is electrically connected to the circuit board 30;
In a preferred embodiment of the present invention, as shown in fig. 1 and 2, the control module further includes a light button 34 disposed on the circuit board 30 and protruding from the housing 10 for controlling the on/off of the light strip 52.
In a preferred embodiment of the present invention, the fan 21 is installed at the tail of the motor 20; the housing 10 is provided with a vent hole 11.
The utility model discloses the electric grinder that above-mentioned embodiment provided has following advantage:
1. By providing the up-and-down buttons 31, 33 on the circuit board 30, it is possible to adjust the rotational speed of the grinding head when performing grinding work.
2. By adding the lamp strip 52 and the lampshade 51 to the housing 10, when working in a dim environment, the lampshade 51 can be lighted by pressing the light button 34, so that an operator can clearly see the ground parts.
3. By arranging the fan 21 at the tail of the motor 20 and arranging the vent holes 11 on the housing 10, cooling air flow can be formed in the housing 10, and then components in the housing 10 can be timely cooled.
4. the rotating speed of the grinding head is detected by adopting an induction magnetic field mode, and the grinding head is ingenious in design and simple in structure.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.

Claims (4)

1. An electric grinder, characterized in that it comprises:
A housing having a long cylindrical shape;
A motor fixed within the housing;
the tail part of the connecting sleeve is connected with the motor, and the head part of the connecting sleeve extends out of the head part of the shell;
The grinding head is connected to the head part of the connecting sleeve;
and the control module comprises a circuit board fixed on the shell, a switch button arranged on the circuit board and protruding out of the shell, and a speed regulation button.
2. the electric grinder of claim 1, wherein the control module further comprises a display screen mounted on the housing and electrically connected to the circuit board; wherein:
The electric grinder also comprises a detection mechanism for detecting the rotating speed of the grinding head;
The detection mechanism comprises a magnetic field inductor and a permanent magnet, wherein the magnetic field inductor is arranged on the connecting sleeve and is electrically connected with the circuit board, the permanent magnet is fixed in the shell and axially opposite to the magnetic field inductor, the magnetic field inductor sends an induction signal to the circuit board through the magnetic field of the induction permanent magnet so as to obtain the rotating speed of the grinding head, and the display screen is used for displaying the rotating speed of the grinding head.
3. An electric grinder as claimed in claim 1,
the head of the shell is also provided with an annular lampshade, the inner side of the lampshade is provided with a lamp strip, and the lamp strip is electrically connected with the circuit board;
the control module group further comprises a light button which is arranged on the circuit board and protrudes out of the shell to be used for controlling the on and off of the light strip.
4. An electric grinder as claimed in claim 1, characterised in that the tail of the motor is equipped with a fan; the shell is provided with a vent hole.
CN201822078012.2U 2018-12-11 2018-12-11 electric grinder Expired - Fee Related CN209774279U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822078012.2U CN209774279U (en) 2018-12-11 2018-12-11 electric grinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822078012.2U CN209774279U (en) 2018-12-11 2018-12-11 electric grinder

Publications (1)

Publication Number Publication Date
CN209774279U true CN209774279U (en) 2019-12-13

Family

ID=68789858

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822078012.2U Expired - Fee Related CN209774279U (en) 2018-12-11 2018-12-11 electric grinder

Country Status (1)

Country Link
CN (1) CN209774279U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113211318A (en) * 2021-04-23 2021-08-06 宁波鑫和电源有限公司 Multi-gear rotating speed setting control system for electric grinder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113211318A (en) * 2021-04-23 2021-08-06 宁波鑫和电源有限公司 Multi-gear rotating speed setting control system for electric grinder

Similar Documents

Publication Publication Date Title
CN209774279U (en) electric grinder
CN207740204U (en) A kind of air blower with noise-and-vibration-reduction function
CN214572646U (en) Integrated sewing machine and heat dissipation device thereof
CN209497740U (en) A kind of dust-proof radiating casing
CN207326634U (en) Electric angle grinder
CN210578273U (en) Novel single-phase inverter
CN210684166U (en) Integrative electrically controlled device of sewing machine
CN210666632U (en) Intelligent dustproof computer
CN210164677U (en) Industrial or commercial direct current frequency conversion fan
CN207010855U (en) A kind of multimedia video broadcasting supervising device
CN206877025U (en) A kind of projector dust preventing device
CN207677268U (en) A kind of electronic information power distribution cabinet with dust reduction capability
CN206097037U (en) Computer network control ware
CN214757223U (en) Automatic circulating heat dissipation device for internal sensor of control system cabinet
CN220138140U (en) Safety ceramic capacitor production line switching mechanism
CN212324018U (en) Motor drive circuit, motor, fan and equipment
CN220522833U (en) Energy-saving blower
CN214155092U (en) Machine vision controller with light source response structure
CN213361999U (en) Diode lamp strip that heat dissipation is good
CN210375191U (en) Intelligent electronic engineering information collector with visual display
CN215735110U (en) Electric vehicle controller and shell thereof
CN213983203U (en) Wireless control's LED washes pinup
CN221009545U (en) Dustproof power distribution cabinet
CN220923535U (en) PCB screen printer
CN213401907U (en) Rain-proof ventilation type intelligent power distribution cabinet

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20191213

Termination date: 20201211

CF01 Termination of patent right due to non-payment of annual fee