CN218976503U

CN218976503U - Fascia gun motor

Info

Publication number: CN218976503U
Application number: CN202223434902.5U
Authority: CN
Inventors: 袁永智; 唐达
Original assignee: Kerui Technology Dongguan Co ltd
Current assignee: Kerui Technology Dongguan Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-05-05
Anticipated expiration: 2032-12-21

Abstract

The utility model discloses a fascia gun motor, which comprises a casing, wherein a driving shaft is vertically arranged in the casing, a support is sleeved on a driving shaft sleeve, a stator core is sleeved outside the support, a winding groove is formed in the outer side edge of the stator core, the groove width of the winding groove is between 2.1mm and 2.4mm, magnetic steel is sleeved inside the casing, the outer diameter of the magnetic steel is 32.4mm, the wall thickness is 1.85mm, a PCBA driving plate is transversely arranged at the top end of the driving shaft, terminal leads are electrically arranged on the surface of the PCBA driving plate, at least two positive leads and at least two negative leads are electrically arranged at the joint between the terminal leads and the PCBA driving plate, HALL positioning elements are electrically arranged on the surface of the PCBA driving plate, the HALL positioning elements are at least three, and the positioning angles between the HALL positioning elements are 20-30 degrees.

Description

Fascia gun motor

Technical Field

The utility model relates to the field of motors, in particular to a fascia gun motor.

Background

The brushless DC motor is composed of a motor main body and a driver, and is a typical electromechanical integrated product. Because the brushless DC motor operates in a self-control mode, a starting winding is not additionally arranged on a rotor like a synchronous motor which is started under heavy load under variable frequency speed regulation, and oscillation and step-out can not be generated when the load is suddenly changed.

The existing brushless motor used on the fascia gun is easy to generate electromagnetic noise, large in oblique wave amplitude, large in overcurrent and capable of continuously heating a terminal lead after long-time working, and therefore the fascia gun motor is provided.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a technical scheme capable of solving the problems.

The fascia rifle motor, which comprises a housing, the inside vertical drive shaft that is provided with of casing, and carry out coaxial rotation between drive shaft and the casing, and the drive shaft drives the casing and rotates, the drive axle is equipped with the support, and the drive shaft rotates in the support is inside, the outside cover of support is equipped with stator core, and stator core outside side shaping has the wire winding groove, the inside winding of wire winding groove is provided with the enameled wire, and the enameled wire is located stator core's side department, and the slot width of wire winding groove is between 2.1mm-2.4mm, the inside cover of casing is equipped with magnet steel, and stator core is located the magnet steel is inside, carry out coaxial rotation between casing and the magnet steel, and the outside diameter of magnet steel is 32.4mm and the wall thickness of magnet steel is 1.85mm, the drive shaft top transversely is provided with PCBA drive plate, and PCBA drive plate surface electrical property is provided with the terminal lead, junction electrical property between terminal lead and the PCBA drive plate is provided with anodal lead wire and negative electrode lead wire, and anodal lead wire is two at least, and negative electrode lead wire is two at least, PCBA drive plate surface electrical property is provided with HALL locating element, and three locating element and is the equal angle of 30 between the HALL locating element at least three locating element.

Preferably, the support penetrates through the PCBA driving plate and is inserted on the driving shaft, the top end of the driving shaft penetrates through the support, mounting holes are formed in the connecting position between the PCBA driving plate and the support, and the mounting holes are formed in the surface of the PCBA driving plate.

Preferably, a first ball bearing is sleeved at the joint between the driving shaft and the casing, the driving shaft penetrates through the first ball bearing and rotates in the first ball bearing, the first ball bearing is located at the bottom end of the support, a graphite meson is arranged at the joint between the first ball bearing and the casing, the bottom end of the driving shaft penetrates through the graphite meson, and the first ball bearing and the graphite meson are parallel to each other.

Preferably, a second ball bearing is arranged at the joint between the driving shaft and the bracket, the second ball bearing is transversely arranged at the top end of the bracket, the driving shaft penetrates through the second ball bearing, and the driving shaft rotates inside the second ball bearing.

Preferably, the clamping springs are transversely inserted into the top ends of the driving shafts, the clamping springs are parallel to the top ends of the brackets, and the wavy gaskets are transversely arranged at the connecting positions of the second ball bearings and the brackets.

Compared with the prior art, the utility model has the beneficial effects that: by adjusting the sizes of the stator iron core and the magnetic steel, electromagnetic noise is reduced and the amplitude of oblique waves is reduced when the driving shaft and the stator iron core rotate at the middle position of the magnetic steel; the rated current is reduced by 10-15%, the copper loss is reduced by 22-26% and the overall torsion of the motor is increased by 20%, so that the overall efficiency is increased to 10%, and the phenomena of overcurrent and continuous heating of the terminal lead are reduced by increasing the number of wires of the positive electrode lead and the negative electrode lead.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of a fascia gun motor;

FIG. 2 is another schematic structural view of the fascia gun motor;

FIG. 3 is a schematic view of yet another construction of the fascia gun motor;

fig. 4 is a schematic structural view of a stator core;

FIG. 5 is a schematic structural diagram of a magnetic steel;

fig. 6 is a schematic structural view of a terminal lead;

fig. 7 is a schematic structural diagram of a PCBA drive board.

The figure shows: 1. the shell, 2, the drive shaft, 3, the magnet steel, 4, graphite meson, 5, stator core, 6, enameled wire, 7, first ball bearing, 8, PCBA drive plate, 9, terminal lead, 10, support, 11, wave washer, 12, second ball bearing, 13, jump ring, 14, positive lead, 15, negative lead, 16, mounting hole, 17, temperature controller, 18, HALL positioning element.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, in the embodiment of the present utility model, a fascia gun motor includes a casing 1, a driving shaft 2 is vertically disposed inside the casing 1, the driving shaft 2 and the casing 1 rotate coaxially, the driving shaft 2 drives the casing 1 to rotate, a bracket 10 is sleeved on the driving shaft 2, the driving shaft 2 rotates inside the bracket 10, a stator core 5 is sleeved outside the bracket 10, a winding slot (not shown in the drawings) is formed at an external side edge of the stator core 5, an enameled wire 6 is wound inside the winding slot, the enameled wire 6 is located at a side edge of the stator core 5, a slot width of the winding slot is between 2.1mm and 2.4mm, a magnetic steel 3 is sleeved inside the casing 1, the stator core 5 is located inside the magnetic steel 3, the casing 1 and the magnetic steel 3 rotate coaxially, an external diameter of the magnetic steel 3 is 32.4mm, and a wall thickness of the magnetic steel 3 is 1.85mm, and by cooperation between the stator core 5 and the magnetic steel 3, the driving shaft 2 drives the magnetic steel 3 to rotate outside the stator core 5, so that electromagnetic noise is reduced and the oblique wave amplitude is reduced; rated current reduces 10-15%, copper loss reduces 22-26% and the whole torsion of motor rises 20%, and then makes overall efficiency rise to 10%, drive shaft 2 top transversely is provided with PCBA drive plate 8, and PCBA drive plate 8 surface electrical property is provided with terminal lead 9, junction electrical property between terminal lead 9 and the PCBA drive plate 8 is provided with anodal lead 14 and negative pole lead 15, and anodal lead 14 is two at least to negative pole lead 15 is two at least, and then reduces the excessive current and reduces terminal lead 9 and continue the phenomenon of generating heat, PCBA drive plate 8 surface electrical property is provided with HALL positioning element 18, and HALL positioning element 18 is three at least, and the locating angle between HALL positioning element 18 is 20-30.

The support 10 runs through the PCBA drive plate 8 and is inserted on the drive shaft 2, and the top of the drive shaft 2 runs through the support 10, the junction between the PCBA drive plate 8 and the support 10 is formed with a mounting hole 16, and the mounting hole 16 is positioned on the surface of the PCBA drive plate 8, and the mounting hole 16 is used for facilitating the positioning and mounting of the HALL positioning element 18, so that the mounting precision of the HALL positioning element 18 is improved.

The junction cover between drive shaft 2 and casing 1 is equipped with first ball bearing 7, and drive shaft 2 runs through first ball bearing 7 and rotates in first ball bearing 7 inside to first ball bearing 7 is located the inside bottom department of support 10, the junction between first ball bearing 7 and the casing 1 sets up graphite meson 4, and drive shaft 2 bottom runs through graphite meson 4, and be parallel to each other between first ball bearing 7 and the graphite meson 4.

The connection part between the driving shaft 2 and the bracket 10 is provided with a second ball bearing 12, the second ball bearing 12 is transversely arranged at the top end of the bracket 10, the driving shaft 2 penetrates through the second ball bearing 12, the driving shaft 2 rotates inside the second ball bearing 12, and the driving shaft 2 rotates at the top end of the bracket 10 through the second ball bearing 12.

The clamping spring 13 is transversely inserted into the top end of the driving shaft 2, the clamping spring 13 is parallel to the top end of the support 10, the waveform gasket 11 is transversely arranged at the joint between the second ball bearing 12 and the support 10, and the support 10 cannot be separated when the driving shaft 2 rotates due to the cooperation between the clamping spring 13 and the waveform gasket 11.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The fascia rifle motor, including the casing, its characterized in that, the inside vertical drive shaft that is provided with of casing, and carries out coaxial rotation between drive shaft and the casing to the drive shaft drives the casing and rotates, the drive shaft is equipped with the support, and the drive shaft rotates in the support is inside, the outside cover of support is equipped with stator core, and stator core outside side shaping has the wire winding groove, the inside winding of wire winding groove is provided with the enameled wire, and the enameled wire is located stator core's side department, and the slot width of wire winding groove is between 2.1mm-2.4mm, the inside cover of casing is equipped with the magnet steel, and stator core is located the magnet steel inside, carry out coaxial rotation between casing and the magnet steel, and the outside diameter of magnet steel is 32.4mm and the wall thickness of magnet steel is 1.85mm, the drive shaft top transversely is provided with PCBA drive plate, and PCBA drive plate surface electrical property is provided with the terminal lead, junction electrical property between terminal lead and the PCBA drive plate is provided with anodal lead wire and negative electrode lead wire, and negative electrode lead wire is two at least to the negative electrode lead wire is located the side department, the wire is located between PCBA drive plate surface electrical property is provided with the HALL positioning element, and three HALL positioning element is 20-20 positioning angle equal to each other.

2. The fascia gun motor of claim 1, wherein the bracket extends through the PCBA drive plate and is inserted onto the drive shaft, and the drive shaft tip extends through the bracket, wherein mounting holes are formed in the connection between the PCBA drive plate and the bracket, and the mounting holes are formed in the surface of the PCBA drive plate.

3. The fascia gun motor according to claim 1, wherein a first ball bearing is sleeved at the connection between the driving shaft and the casing, the driving shaft penetrates through the first ball bearing and rotates inside the first ball bearing, the first ball bearing is located at the bottom end of the support, a graphite meson is arranged at the connection between the first ball bearing and the casing, the bottom end of the driving shaft penetrates through the graphite meson, and the first ball bearing and the graphite meson are parallel to each other.

4. The fascia gun motor of claim 1, wherein a second ball bearing is disposed at a connection between the drive shaft and the bracket, and the second ball bearing is disposed laterally at a top end of the bracket, the drive shaft penetrates the second ball bearing, and the drive shaft rotates inside the second ball bearing.

5. The fascia gun motor according to claim 4, wherein the top end of the driving shaft is transversely inserted with a snap spring, the snap spring is parallel to the top end of the bracket, and a wave washer is transversely arranged at the joint between the second ball bearing and the bracket.