CN214590922U

CN214590922U - Novel external bearing front cover and motor

Info

Publication number: CN214590922U
Application number: CN202120574713.4U
Authority: CN
Inventors: 伍文博
Original assignee: Jiangmen Fanshite Technology Co ltd
Current assignee: Jiangmen Fanshite Technology Co ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-11-02
Anticipated expiration: 2031-03-19

Abstract

The utility model discloses a novel external bearing protecgulum and motor, it includes: a first mounting flange is arranged on a bearing mounting hole of the front cover, a first oil receiving groove is arranged on the first mounting flange, a mounting groove is arranged in the front cover, and a first component mounting part is arranged on the mounting groove; the bearing is fixedly arranged in the bearing mounting hole, and the first connecting piece is provided with a plug and an elastic sheet and is arranged in the mounting groove; the second connector is provided with a second plug and a second elastic sheet and is arranged in the mounting groove; a carbon mount mounted within the front cover; the motor has the advantages that welding production procedures and subsequent treatment procedures are omitted when components are mounted, foreign matters are prevented from polluting parts inside the motor, the motor is prevented from being out of work, assembly in production is simple, the motor is clean and environment-friendly, and use is stable and reliable.

Description

Novel external bearing front cover and motor

Technical Field

The utility model relates to electrical equipment technical field especially involves a novel external bearing protecgulum and motor.

Background

The existing motor front cover is generally that a bearing is pressed into a bearing hub from the inner side of the front cover and the bearing is in interference fit with the bearing hub. In the actual use process, once the lubricating oil in the bearing is volatilized under the high-temperature condition or directly pollutes motor parts such as a commutator in the front cover after the lubricating oil is leaked out due to the pumping action in the work, the mixture of carbon powder and oil is accumulated in one or more grooves among 3 copper sheets of the commutator, so that short circuit among the segments of the commutator is caused, and finally the motor fails early.

And then, the design of installing the bearing on the inner side of the existing front cover easily pollutes the interior of the front cover in the assembling process, and the transferring and matching position of the bearing can directly influence the axial displacement of the motor rotor and the extension length of the rotor shaft, so that the position design of other parts is influenced.

The conventional motor generally welds chip components on PCBA, then welds PCBA to the motor part, and assembly process and welding process are more, lead to the cost higher and need multichannel environmental protection process. And the front cover assembly part can not be cleaned generally in the process, so that hidden troubles exist.

In order to improve electromagnetic interference, the conventional micro motor mainly generates instantaneous voltage surge (the instantaneous voltage can reach 200-500 v depending on the motor structure) at the moment of power-on or power-off, and generally an annular piezoresistor is welded on a commutator of a rotor. The welding procedure of the annular die resistor is generally as follows: feeding the annular piezoresistor → aligning the electrode position → three-point soldering (electrically connecting three electrodes of the annular piezoresistor with three copper hooks of the commutator through soldering tin) → cleaning soldering tin residues (rosin) and the like, so that the manufacturing cost of the motor is high. Poor inferior products such as insufficient soldering, false soldering and the like are easy to appear in the soldering process; and the concentricity and the verticality between the annular die resistor and the commutator are not good, so that the size of a soldering tin point is not uniform, the rotor is unbalanced, and the noise and the vibration of the motor are deteriorated.

In the welding and subsequent welding cleaning processes, problems are easy to occur, so that the motor fails or the contact of internal circuits is poor.

Accordingly, there is a need for a novel outboard bearing front cover and motor that addresses one or more of the above problems.

SUMMERY OF THE UTILITY MODEL

For solving one or more problems that exist among the prior art, the utility model provides a novel external bearing front cover. The utility model discloses a solve the technical scheme that above-mentioned problem adopted and be: a first mounting flange is arranged on the inner side wall of the bearing mounting hole of the front cover, a first oil receiving groove is formed in the upper surface of the first mounting flange, a mounting groove is formed in the front cover, and a first component mounting part is arranged on the mounting groove;

the bearing is fixedly arranged in the bearing mounting hole, the first mounting flange props against the bearing and limits the bearing, the first oil receiving groove is matched with the bearing, and the first oil receiving groove absorbs and releases lubricating oil on the bearing;

the first connecting piece is provided with a plug and an elastic sheet, the plug is used for being electrically connected with an external circuit, the elastic sheet is matched with the first component mounting part, and the first connecting piece is mounted in the mounting groove and arranged on the left side in the front cover;

the second connector is provided with a second plug and a second elastic sheet, the second plug is used for being electrically connected with an external circuit, the second elastic sheet is matched with the first component mounting part, and the second connector is mounted in the mounting groove and arranged on the right side in the front cover;

the carbon mounting piece is provided with a carbon mounting groove and is mounted in the front cover;

the elastic piece and the second elastic piece are used for fixing the components mounted on the first component mounting part, and the components mounted on the first component mounting part are electrically connected with the first connecting piece and the second connecting piece in a pressing contact mode.

Further, the second connecting member is divided into two parts, which are respectively: a front connector and a rear connector;

the front connecting piece is provided with a first mounting elastic sheet, the first mounting elastic sheet acts on the side wall of the mounting groove, and the second elastic sheet is arranged on the front connecting piece;

the rear connecting piece is provided with a second mounting elastic sheet acting on the side wall of the mounting groove, and the second plug is arranged on the rear connecting piece;

the component is arranged between the front connecting piece and the rear connecting piece and is electrically connected with the front connecting piece and the rear connecting piece.

Further, be provided with the second component installation department on the installation slot, components and parts are in the second component installation department with preceding connecting piece with back connecting piece contact.

Furthermore, a first connecting part is arranged at the end part of the front connecting piece, and the first mounting elastic sheet is arranged on the first connecting part;

the end part of the rear connecting piece is provided with a second connecting part, and the second mounting elastic piece is arranged on the second connecting part.

Furthermore, the first component mounting part consists of two rubber walls, the component is arranged between the two rubber walls, and the two rubber walls play a role in limiting the component;

and a plug extending groove is formed in the front cover and matched with the plug and the second plug.

Further, the first mounting flange forms an inner bore having a diameter equal to or greater than the diameter of the inner bore of the bearing;

the diameter of the first oil receiving groove is larger than that of an inner hole formed by the first mounting flange, and the diameter of the first oil receiving groove is smaller than that of the bearing mounting hole;

the first mounting flange is in a ring shape, and the first oil receiving groove is circular.

Further, still include: the bearing hub is fixedly arranged on the bearing mounting hole of the front cover and is provided with a through hole;

the first mounting flange is arranged on the inner side wall of the through hole, and the first oil receiving groove is arranged on the upper surface of the first mounting flange;

the bearing, bearing fixed mounting in the through-hole, first installation flange supports the bearing is spacing the bearing, first oil receiving groove with the bearing cooperation, first oil receiving groove absorbs and releases lubricating oil on the bearing.

And a motor using the novel external bearing front cover, wherein a magnet in the motor is fixedly installed by using magnet glue.

The utility model discloses the beneficial effect who gains is: the utility model discloses a set up corresponding installation, use structure on the protecgulum, with bearing, first connecting piece, second connecting piece, carbon essence installed part etc. are in the same place through ingenious structural mounting, have realized installing components and parts through the mode that the shell fragment extrudes, save welding process, welding process and PCBA that sets up inside the motor, and the installation is firm, the electricity is connected stably, conveniently is connected with external circuit simultaneously, and reduce manufacturing cost; a plurality of components such as a piezoresistor and a thermal protector can be arranged in the device; the assembly process is simple, the reliability is high, the efficiency is high, the arrangement of other auxiliary parts such as a tin wire is omitted, the cleaning is convenient, the manufacturing process is environment-friendly and energy-saving, the internal space is saved, the overall volume is reduced, and the motor can be conveniently miniaturized; the motor parts in the front cover are prevented from being directly polluted once lubricating oil in the bearing volatilizes under the high-temperature condition or seeps out under the pumping action in the work; such as a commutator, causes a mixture of carbon powder and oil to accumulate in one or more grooves between 3 commutator segments, thereby causing short circuit between the commutator segments and finally failure of the motor. The device is suitable for various use occasions through split type and integrated design; the bearing has the advantages of simple assembly and production process, low manufacturing cost and high reliability, and the size of the assembly position of the bearing is independent, so that the size of the rotor is not influenced, and the manufacturing precision can be improved. The utility model discloses a practical value has greatly improved above.

Drawings

Fig. 1 is a perspective view of a novel external bearing front cover and a motor of the present invention;

fig. 2 is a cross-sectional view 1 of a front cover and a motor of a novel external bearing of the present invention;

fig. 3 is a partial enlarged view of a section I of a novel external bearing front cover and a motor according to the present invention in fig. 1;

fig. 4 is a cross-sectional view 2 of a front cover and a motor of a novel external bearing of the present invention;

fig. 5 is a partial enlarged view of a section II of a novel external bearing front cover and motor according to the present invention;

fig. 6 is a bottom view of the front cover and the motor of the external bearing of the present invention;

fig. 7 is an axial cross-sectional view of the novel external bearing front cover and the motor of the present invention;

fig. 8 is an exploded view of the front cover and the motor of the external bearing of the present invention;

fig. 9 is a schematic view of a front cover body of a novel external bearing front cover and a motor of the present invention;

fig. 10 is a partial exploded view of a novel external bearing front cover and a motor according to the present invention 1;

fig. 11 is a partial exploded view 2 of a front cover and a motor of a novel external bearing of the present invention;

fig. 12 is a schematic view of a second connecting member of the novel external bearing front cover and the motor according to the present invention;

fig. 13 is a sectional view of a front cover of a conventional motor;

FIG. 14 is a schematic view of a prior art inner bearing motor applied to a latch;

fig. 15 is a schematic view of the application of the novel external bearing front cover and the motor to the fastener according to the present invention;

fig. 16 is a cross-sectional view of the bottom view of the novel external bearing front cover and the motor in the direction B-B.

[ reference numerals ]

101. rubber case

102. mounting groove

103. first component mounting part

104. second component mounting part

105. mating projection

110. plug extension groove

120. bearing mounting hole

121. first mounting flange

122. first oil receiving tank

123. inner hole

130 bearing hub

131. through hole

140. bearing

150. traditional motor front cover

151. traditional motor iron case

152. magnet

160. rotor

170. worm

180. first fastener rubber wall

181. second fastener rubber wall

201. first connecting piece

202. plug

203. bump

204. spring plate

210. carbon element mounting member

211. connecting groove

212. carbon mounting groove

301. front connecting piece

302. first connection

303. first installation spring plate

304. rear connecting piece

305. second connection part

306. second installation spring plate

307 contact

310. second connecting piece

312. second plug

313. second projection

314. second spring leaf

401. carbon element

501 piezoresistor

502. thermal protector

510. first current loop

520. second current loop

530 annular piezoresistor.

Detailed Description

In order to make the above objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the invention.

As shown in fig. 1-12 and 16, the utility model discloses a novel external bearing front cover, a first mounting flange 121 is arranged on the inner side wall of a bearing mounting hole 120 of the front cover 101, a first oil receiving groove 122 is arranged on the upper surface of the first mounting flange 121, a mounting groove 102 is arranged in the front cover 101, and a first component mounting part 103 is arranged on the mounting groove 102;

the bearing 140, the bearing 140 is fixedly installed in the bearing installation hole 120, the first installation flange 121 abuts against the bearing 140 and limits the bearing 140, the first oil receiving groove 122 is matched with the bearing 140, and the first oil receiving groove 122 absorbs and releases lubricating oil on the bearing 140;

a plug 202 and a spring plate 204 are arranged on the first connector 201, the plug 202 is used for being electrically connected with an external circuit, the spring plate 204 is matched with the first component mounting part 103, and the first connector 201 is mounted in the mounting groove 102 and arranged on the left side in the front cover 101;

a second connector 310, wherein a second plug 312 and a second elastic piece 314 are arranged on the second connector 310, the second plug 312 is used for electrically connecting with an external circuit, the second elastic piece 314 is matched with the first component mounting part 103, and the second connector 310 is mounted in the mounting groove 102 and arranged on the right side in the front cover 101;

a carbon mounting member 210, wherein the carbon mounting member 210 is provided with a carbon mounting groove 212, and the carbon mounting member 210 is mounted in the front cover 101;

the elastic piece 204 and the second elastic piece 314 fix the component mounted on the first component mounting portion 103, and the component mounted on the first component mounting portion 103 is electrically connected with the first connecting piece 201 and the second connecting piece 310 in a pressing contact manner.

It should be noted that, use the utility model discloses a motor need not inside rotor or iron-clad, sets up PCBA or installation annular piezo-resistor, and piezo-resistor chooses the slice shape for use and installs in the first component installation department 103. Generally, the chip varistor is mounted on the first component mounting portion 103, and soldering is not required. As shown in fig. 6, the current inside the front cover is directed, referring to the first current loop 510 and the second current loop 520 in the figure.

It should be noted that, as can be seen from fig. 13, the bearing 140 is installed inside the front cover 150 of the conventional motor, and when the rotor rotates at a high speed, the high speed makes the air pressure on the near surface of the shaft body smaller than the air pressure in the oil-retaining bearing, so as to generate a pumping action, and the lubricating oil in the bearing is sucked out to be used as the bearing inner diameter surface and the shaft lubricant; however, as the rotor shaft rotates at a high speed, the lubricating oil is easy to throw out downwards, and the lubricating oil thrown out downwards enters parts inside the motor to pollute the inside of the motor; comparing fig. 4 and fig. 7, it can be seen that the first oil receiving groove 122 in fig. 4 blocks and stores the thrown-out lubricating oil, when the motor stops operating, the negative pressure between the oil-containing bearing and the rotor disappears, the air pressure outside the oil-containing bearing is greater than the air pressure inside the bearing, after a short storage, the lubricating oil on the first oil receiving groove 122 and on the surface of the oil-containing bearing is sucked back to the bearing 140 under the action of capillary phenomenon, and in this way, the lubricating oil in the bearing 140 can be recycled or pollutants generated by long-term operation cannot enter the interior of the motor.

Specifically, as shown in fig. 11 and 12, the second connecting member 310 is divided into two parts, which are: a front connector 301 and a rear connector 304;

a first mounting elastic sheet 303 is arranged on the front connecting piece 301, the first mounting elastic sheet 303 acts on the side wall of the mounting groove 102, and the second elastic sheet 314 is arranged on the front connecting piece 301;

the rear connector 304 is provided with a second mounting spring 306, the second mounting spring 306 acts on the side wall of the mounting groove 102, and the second plug 312 is arranged on the rear connector 304;

the first mounting elastic sheet 303 and the second mounting elastic sheet 306 are used for matching with mounting components, and play a role in pressing and contacting.

The component is disposed between the front connector 301 and the rear connector 304, and is electrically connected to the front connector 301 and the rear connector 304.

It is to be noted that, as shown in fig. 10 and 16, generally, the spring 204 and the second spring 314 are L-shaped and form a barb to prevent the component mounted on the first component mounting portion 103 from falling off.

Specifically, as shown in fig. 11, the side walls of the front connector 301 and the rear connector 304 are provided with contacts 307, and the contacts 307 are used for electrically connecting with or mounting a component.

Specifically, as shown in fig. 1, 6 to 9, a second component mounting portion 104 is disposed on the mounting groove 103, and a component is in contact with the front connector 301 and the rear connector 304 at the second component mounting portion 104. Generally, the second component mounting portion 104 is used for mounting the thermal protector 502, and the second component mounting portion 104 is a recess formed to widen on the mounting groove 102.

Specifically, as shown in fig. 11, a second component mounting portion 104 is disposed on the mounting groove 103, and a component is in contact with the front connector 301 and the rear connector 304 at the second component mounting portion 104. Generally, the second component mounting portion 104 is used for mounting the thermal protector 502, and the second component mounting portion 104 is a recess formed to widen on the mounting groove 102.

Specifically, as shown in fig. 6 and 7, the first component mounting portion 103 is composed of two rubber walls, a component is disposed between the two rubber walls, and the two rubber walls limit the component; the front cover 101 is provided with a plug extending groove 110, and the plug extending groove 110 is matched with the plug 202 and the second plug 312. Generally, the bottom of the first component mounting portion 103 is provided with a matching protrusion 105, and the matching protrusion 105 is used for jacking up a component, i.e. the matching protrusion 105 is arranged between two rubber walls. Generally, the gap between the two rubber walls is communicated with the mounting groove 102, and the distance between the two rubber walls is smaller than the sum of the thickness of the component and the width of the L-shaped barb (the elastic sheet 204 and the second elastic sheet 314), so as to play a role in preventing detachment.

As shown in fig. 8, the chip varistor 501 and the thermal protector 502 are mounted during actual use, and the chip varistor 501 and the thermal protector 502 are pressed by the elastic sheet and electrically connected to the first connecting member 201 and the second connecting member 310, and at this time, the second connecting member 310 is divided into two parts. If the thermal protector 502 is not required to be installed, the second connector 310 does not need to be divided, and at this time, the second connector 310 has the same shape as the first connector 201 and is installed symmetrically. After the components are mounted, the first connecting member 201, the second connecting member 310 and the components form a loop, and when the plug 202 and the second plug 312 are connected to a power supply, the components can perform normal functions.

Specifically, as shown in FIG. 3, generally, the first mounting flange 121 defines an inner bore 123 having a diameter equal to or greater than the diameter of the inner bore of the bearing 140; the diameter of the first oil receiving groove 122 is larger than that of the inner hole 123 formed by the first mounting flange 121, and the diameter of the first oil receiving groove 122 is smaller than that of the bearing mounting hole 120; the first mounting flange 121 is circular, and the first oil receiving groove 122 is circular.

When the front cover uses a split design to fixedly mount the bearing, as shown in fig. 4 and 5, it includes: a bearing hub 130, wherein the bearing hub 130 is fixedly installed on the bearing installation hole 120 of the front cover 101, and the bearing hub 130 is provided with a through hole 131;

the first mounting flange 121 is disposed on an inner sidewall of the through hole 131, and the first oil receiving groove 122 is disposed on an upper surface of the first mounting flange 121;

the bearing 140 is fixedly installed in the through hole 131, the first installation flange 121 abuts against the bearing 140 and limits the bearing 140, the first oil receiving groove 122 is matched with the bearing 140, and the first oil receiving groove 122 absorbs and releases lubricating oil on the bearing 140.

It should be noted that the principle of the split type outboard bearing motor front cover is the same as that of the outboard bearing motor front cover, and only the arrangement positions of the first mounting flange 121 and the first oil receiving groove 122 are changed from the bearing mounting hole 120 on the front cover 101 to the bearing hub 130, so as to form a split type design, so as to be suitable for more scenes.

The principle that the split type external bearing motor front cover protects the interior of the motor from being polluted by oil stains is the same as that of the external bearing motor front cover, and the description is omitted here.

It should be noted that, on the front cover of the split external bearing motor, the diameter of the inner hole 123 formed by the first mounting flange 121 is equal to or greater than the diameter of the inner hole of the bearing 140; the diameter of the first oil receiving groove 122 is larger than that of the inner hole 123 formed by the first mounting flange 121, and the diameter of the first oil receiving groove 122 is smaller than that of the bearing mounting hole 120; the first mounting flange 121 is circular, and the first oil receiving groove 122 is circular.

The motor using the novel external bearing front cover is characterized in that magnets used inside the motor are fixed through magnet glue, and then an L-shaped limiting block for stamping the bottom of the motor iron shell and slingshot arranged on the motor iron shell is cancelled, so that the assembly difficulty is reduced, the production efficiency is improved, and meanwhile, the assembly position precision of the magnets is higher and cannot be displaced.

It should be noted that, when in use, the bearing can be conveniently and quickly assembled due to the external arrangement, the bearing 140 is generally fixedly installed by using an interference fit, and the bearing hub 130 is also generally fixedly installed by using an interference fit, so that the reliability is high and the cost is low. And when the rotor rotates at a high speed, foreign matters (lubricating oil and grease) can be prevented from entering the motor from the bearing mounting hole to pollute parts in the motor and cause the failure of the motor.

As shown in fig. 13, an oil blocking ring or an intermediate member is generally disposed inside the motor using the conventional motor front cover, but when the rotor 160 rotates at a high speed, oil of the bearing is easily volatilized or creeps into a copper sheet of the commutator through the oil blocking ring or the intermediate member, thereby polluting the inside of the motor; and the protecgulum in this technique passes through first mounting flange 121 with the cooperation of first oil receiving groove 122 can effectively block volatilizing and crawling of bearing oil, avoids the inside by the pollution of motor.

As shown in fig. 14, in the conventional front cover of a built-in bearing motor, when the front cover is installed in a latch, the latch is required to be provided with a first latch rubber wall 180 and a second latch rubber wall 181; when the worm locking device is used, if the axial force applied by the paired gears faces to the left, the first locking device rubber wall 180 supports the end of the worm rod to bear the axial force, if the axial force applied by the paired gears faces to the right, the worm rod 170 is firstly contacted with the end of the shaft, then the force is transmitted to the second locking device rubber wall 181 through the end of the shaft, and finally the axial force is respectively borne by the space between the worm rod 170 and the end of the shaft and the second locking device rubber wall 181. The design structure of the front cover of the existing built-in bearing motor and the matched locking device is complex, the accumulated tolerance is large, and the reliability is not high; and when the end of the rotor shaft contacts the rubber wall of the locking device due to the axial force generated by the operation of the gear, friction is formed between the end of the shaft and the rubber wall. In order to reduce the friction between them and to increase the efficiency of the operation of the lock, the end of the rotating shaft on the rotor is usually designed as a ball. This design again results in a small contact surface between the shaft end and the closure rubber wall, and requires high material strength for the closure housing in order to avoid or slow the destruction of the closure rubber wall by the rotor shaft end. Implying high costs.

As shown in fig. 14, the conventional annular varistor 530 is generally mounted on the rotor 160 and is not disposed in the front cover. The annular piezoresistor 530 is specially designed to be annular for being installed on the rotor 160, the cost is higher compared with that of a common sheet-pressing piezoresistor, and oil stains on a bearing are more easily impregnated on the surface of the resistor, so that the motor is disabled.

When the technology is used, as shown in fig. 15, if the axial force applied by the mating gear faces to the left, the first fastener rubber wall 180 supports the end of the worm rod to bear the axial force, and if the axial force applied by the mating gear faces to the right, the worm rod 170 is not in contact with the end of the shaft, and the axial force is directly borne between the worm rod 170 and the bearing end, so that the rightmost second fastener rubber wall 181 can be eliminated.

To sum up, the utility model realizes the installation of components and parts by the way of spring plate extrusion by arranging corresponding installation and use structures on the front cover 101, and installing the bearing 140, the first connecting piece 201, the second connecting piece 310, the carbon element installing piece 210 and the like together by ingenious structures, thereby saving welding procedures, welding treatment procedures and PCBA arranged in the motor, having firm installation and stable electric connection, being convenient to be connected with an external circuit and reducing the manufacturing cost; a plurality of components such as a piezoresistor and a thermal protector can be arranged in the device; the assembly process is simple, the reliability is high, the efficiency is high, the arrangement of other auxiliary parts such as a tin wire is omitted, the cleaning is convenient, the manufacturing process is environment-friendly and energy-saving, the internal space is saved, the overall volume is reduced, and the motor can be conveniently miniaturized; the motor parts in the front cover are prevented from being directly polluted once lubricating oil in the bearing volatilizes under the high-temperature condition or seeps out under the pumping action in the work; such as a commutator, causes a mixture of carbon powder and oil to accumulate in one or more grooves between 3 commutator segments, thereby causing short circuit between the commutator segments and finally failure of the motor. The split type and integrated oil-retaining bearing is externally mounted and is suitable for various use occasions; the bearing has the advantages of simple assembly and production process, low manufacturing cost and high reliability, and the size of the assembly position of the bearing is independent, so that the size of the rotor is not influenced, and the manufacturing precision can be improved. The utility model discloses a practical value has greatly improved above.

The embodiments described above only represent one or more embodiments of the present invention, and the description thereof is more specific and detailed, but should not be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A novel external bearing front cover is characterized in that a first mounting flange is arranged on the inner side wall of a bearing mounting hole of the front cover, a first oil receiving groove is formed in the upper surface of the first mounting flange, a mounting groove is formed in the front cover, and a first component mounting part is arranged on the mounting groove;

2. The novel outboard bearing front cover of claim 1, wherein said second connecting member is divided into two parts, respectively: a front connector and a rear connector;

3. The novel external bearing front cover as claimed in claim 2, wherein a second component mounting portion is disposed on the mounting groove, and a component is in contact with the front connecting member and the rear connecting member at the second component mounting portion.

4. The novel external bearing front cover as claimed in claim 2, wherein a first connecting portion is provided at an end of the front connecting member, and the first mounting resilient piece is provided on the first connecting portion;

5. The novel external bearing front cover as claimed in claim 1, wherein the first component mounting part is composed of two rubber walls, a component is arranged between the two rubber walls, and the two rubber walls limit the component;

6. The novel outboard bearing front cover of claim 1,

the diameter of an inner hole formed by the first mounting flange is equal to or larger than the diameter of the inner hole of the bearing;

7. The novel external bearing front cover as claimed in claim 1, wherein a bearing hub is fixedly mounted on a bearing mounting hole of the front cover, and the bearing hub is provided with a through hole;

8. The novel motor with the external bearing front cover as claimed in claim 1, wherein the magnet in the motor is fixedly installed by using magnet glue.