CN107453542B - Motor assembly - Google Patents
Motor assembly Download PDFInfo
- Publication number
- CN107453542B CN107453542B CN201710693012.0A CN201710693012A CN107453542B CN 107453542 B CN107453542 B CN 107453542B CN 201710693012 A CN201710693012 A CN 201710693012A CN 107453542 B CN107453542 B CN 107453542B
- Authority
- CN
- China
- Prior art keywords
- motor shaft
- groove
- axial
- positioning
- motor
- 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.)
- Active
Links
- 238000009434 installation Methods 0.000 claims abstract description 17
- 230000000670 limiting effect Effects 0.000 claims description 18
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention provides a motor assembly. The motor assembly comprises a motor body (1) and an axial positioning assembly; the motor body (1) is provided with a motor shaft (2), and the axial positioning component is used for adjusting the axial installation position of the part on the motor shaft (2). According to the motor assembly, the mounting position of the fan blade can be adjusted along the axial direction, the motor assembly can be suitable for mounting fan blades with different specifications, and has good universality.
Description
Technical Field
The invention belongs to the technical field of motors, and particularly relates to a motor assembly.
Background
The motor is generally used in cooperation with the fan blade, and when the fan blade is mounted on the motor, the position of the fan blade on the motor needs to be axially positioned. In the prior art, when the fan blades are axially positioned at the mounting positions of the motor, the motor limiting gasket is matched with the fan blades to position, wherein the limiting gasket can customize the positions according to the requirements of users, but after the positions of the limiting gasket are determined, the positions of the limiting gasket cannot be adjusted, so that the motor is difficult to have better applicability for the fan blades at different axial mounting positions, and different fan blades are required to be configured with the matched motor, so that the cost is increased, and the universality of the motor is reduced.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to provide the motor assembly which can adjust the mounting position of the fan blade along the axial direction, is suitable for mounting the fan blade with different specifications, and has better universality.
In order to solve the above problems, the present invention provides a motor assembly, including a motor body and an axial positioning assembly; the motor body is provided with a motor shaft, and the axial positioning component is used for adjusting the axial installation position of the part on the motor shaft.
Preferably, the axial positioning assembly is movably arranged along the axial direction of the motor shaft, and the axial positioning assembly is provided with a first working state axially limited on the motor shaft and a second working state movably arranged on the motor shaft.
Preferably, the axial positioning assembly has a clamping member provided with a clamping groove along the axial direction on the motor shaft, and the clamping member has a first position clamped into the clamping groove to fix the axial positioning assembly along the axial direction of the motor shaft and a second position separated from the clamping groove to move the axial positioning assembly along the axial direction of the motor shaft.
Preferably, the clamping piece is a ball, the clamping groove is an arc groove, and a plurality of arc grooves are arranged at intervals along the axial direction of the motor shaft.
Preferably, the plurality of arc grooves are grouped according to the circle center connecting line of a circle formed on the outer surface of the motor shaft, and the circle center connecting line of a circle formed on the outer surface of the motor shaft by the arc grooves positioned in the same group is parallel to the central line of the rotating shaft of the motor shaft.
Preferably, a guide groove is connected between two adjacent arc grooves, the depth of the guide groove is smaller than that of the arc grooves, and the position of the ball is adjusted between the arc grooves along the guide groove.
Preferably, the maximum depth of the arcuate slot is less than the diameter of the ball.
Preferably, the arc-shaped groove is in arc transition connection with the peripheral wall of the motor shaft.
Preferably, a plurality of balls are arranged along the circumferential direction of the motor shaft, and each ball corresponds to a group of arc-shaped grooves which are arranged at intervals along the axial direction.
Preferably, the axial positioning assembly further comprises a positioning frame sleeved outside the motor shaft, the balls are arranged between the positioning frame and the motor shaft, the positioning frame is axially fixed relative to the motor shaft when the balls are located at the first position, and the positioning frame is axially movable relative to the motor shaft when the balls are located at the second position.
Preferably, the positioning frame is provided with a containing groove, and the ball is movably arranged in the containing groove and can move outwards to a first position along the radial direction of the motor shaft or move inwards to a second position along the radial direction of the motor shaft in the containing groove.
Preferably, the holding groove is a through groove penetrating through the side wall of the positioning frame along the radial direction of the motor shaft, the positioning frame is of a sleeve type structure, the axial positioning assembly further comprises a positioning sleeve sleeved on the periphery of the positioning frame, and the positioning sleeve is provided with a locking position for pressing the balls so that the balls are fixed in the clamping groove and an unlocking position for releasing the pressing of the balls so that the balls are separated from the clamping groove.
Preferably, the positioning sleeve has an inner conical surface, the axial position of the positioning sleeve relative to the positioning frame along the motor shaft is adjustable, when the positioning sleeve is located at the locking position, the inner conical surface moves to the accommodating groove to compress the balls, and when the positioning sleeve is located at the unlocking position, the inner conical surface is far away from the accommodating groove.
Preferably, the outer periphery of the positioning frame is provided with external threads extending along the axial direction, and the positioning sleeve is provided with internal threads matched with the external threads.
Preferably, the periphery of locating rack has the card protruding, and the inner periphery of positioning sleeve has along axial extension's spout and along circumference extension's spacing groove, and the spacing groove sets up the end at the spout, and the protruding slip setting of card is in the spout, and when the protruding card of card was gone into the spacing groove, the interior conical surface was impressed the ball in the spacing groove.
Preferably, the end of the locating rack, which is matched with the locating sleeve, is provided with a conical section, and the accommodating groove is arranged on the conical section.
Preferably, the motor assembly further comprises a fixing piece, the parts comprise fan blades, the fixing piece is used for circumferentially fixing the fan blades and the motor shaft, and the axial positioning assembly is used for adjusting the axial installation position of the fan blades on the motor shaft.
Preferably, the motor assembly further comprises a lock nut, the fixing piece and the axial positioning assembly are respectively located at two ends of the fan blade, the fixing piece is arranged at the outer end of the fan blade, the motor shaft is provided with a threaded connection portion, and the lock nut is fixedly arranged on the threaded connection portion and forms axial limit on the outer end of the fan blade.
Preferably, one end of the motor shaft far away from the motor body is provided with a D-shaped shaft section, the fixing piece is provided with a D-shaped hole matched with the D-shaped shaft section, and the end face of the fixing piece is in concave-convex fit with the end face of the fan blade.
Preferably, one end of the fixing piece facing the fan blade is provided with a cylinder, one end of the fan blade facing the fixing piece is provided with a circular groove, and the cylinder is embedded into the circular groove.
The motor component provided by the invention comprises a motor body and an axial positioning component; the motor body is provided with a motor shaft, and the axial positioning assembly is used for adjusting the axial installation position of the part on the motor shaft. Because the axial positioning component can adjust the axial installation position of parts such as the fan blade and the like on the motor shaft, the axial positioning component can be suitable for the installation of fan blades with different specifications, can meet the installation position requirements of different users on the fan blade on the motor shaft, realizes the axial adjustability of the matching position of the motor shaft and the fan blade, and improves the universality of the motor.
Drawings
FIG. 1 is a schematic exploded view of a motor assembly according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the motor assembly of an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional structural view of a motor assembly according to an embodiment of the present invention;
FIG. 4 is a schematic perspective view of a positioning frame of a motor assembly according to an embodiment of the present invention;
FIG. 5 is a schematic perspective view of a positioning sleeve of a motor assembly according to an embodiment of the present invention;
FIG. 6 is a schematic perspective view of a fixture of a motor assembly according to an embodiment of the present invention;
fig. 7 is a schematic perspective view of a motor according to an embodiment of the present invention.
The reference numerals are expressed as:
1. a motor body; 2. a motor shaft; 3. a clamping piece; 4. a clamping groove; 5. a guide groove; 6. a positioning frame; 7. a receiving groove; 8. positioning a sleeve; 9. an inner conical surface; 10. a fixing member; 11. a fan blade; 12. a lock nut; 13. a cylinder; 14. a conical section.
Detailed Description
Referring to fig. 1 to 7 in combination, a motor assembly according to an embodiment of the present invention includes a motor body 1 and an axial positioning assembly; the motor body 1 is provided with a motor shaft 2, and the axial positioning component is used for adjusting the axial installation position of the parts on the motor shaft 2.
Because the axial positioning component can adjust the axial installation position of parts such as the fan blade 11 and the like on the motor shaft 2, the axial positioning component can be suitable for the installation of the fan blade 11 with different specifications, can meet the installation position requirements of different users on the fan blade 11 on the motor shaft 2, realizes the axial adjustability of the matching position of the motor shaft 2 and the fan blade 11, and improves the universality of the motor.
Preferably, the axial positioning assembly is movably arranged along the axial direction of the motor shaft 2, and the axial positioning assembly has a first working state axially limited on the motor shaft 2 and a second working state movably arranged on the motor shaft 2.
Preferably, the axial positioning assembly has a clamping member 3, a clamping groove 4 is provided on the motor shaft 2 in the axial direction, and the clamping member 3 has a first position clamped into the clamping groove 4 to fix the axial positioning assembly along the axial direction of the motor shaft 2 and a second position disengaged from the clamping groove 4 to move the axial positioning assembly along the axial direction of the motor shaft 2.
When the axial installation position of the part needs to be adjusted, the clamping piece 3 can be controlled to move towards the second position separated from the clamping groove 4, so that the clamping piece 3 is not affected by the limit of the clamping groove 4, the axial positioning of the axial positioning component can be relieved, the axial positioning component can drive the clamping piece 3 to move along the axial direction relative to the motor shaft 2, after moving to a proper axial position, the clamping piece 3 can be controlled to be pressed in the clamping groove 4, and the axial positioning of the axial positioning component on the motor shaft 2 is realized through the clamping positioning of the clamping piece 3 and the clamping groove 4, so that the axial positioning device is simple in structure and convenient to adjust, the adjustment of the axial installation position of the part on the motor shaft 2 can be realized quickly, and the universality of the motor is improved.
Preferably, in the present embodiment, the clamping member 3 is a ball, the clamping groove 4 is an arc-shaped groove, and a plurality of arc-shaped grooves are arranged at intervals along the axial direction of the motor shaft 2. When the axial position of the axial positioning component relative to the motor shaft 2 needs to be adjusted, the balls can be driven to move along the axial direction of the motor shaft 2 through other structures of the axial positioning component, in the process, the balls roll along the arc-shaped grooves, when the balls roll out of the arc-shaped grooves, the balls do not block the sliding of the axial positioning component on the motor shaft 2, and the axial positioning component can slide along the axial direction of the motor shaft 2. After the axial positioning assembly slides in place, the balls fall into the arc-shaped grooves, and at the moment, the balls can be pressed into the arc-shaped grooves through other structures of the axial positioning assembly, so that the arc-shaped grooves form axial limiting on the balls, and then the balls form axial positioning on the whole axial positioning assembly, so that the axial position adjustment of the axial positioning assembly is realized.
Preferably, the arc grooves are grouped according to the circle center connecting lines of the circles formed on the outer surface of the motor shaft 2, the circle center connecting lines of the circles formed on the outer surface of the motor shaft 2 by the arc grooves in the same group are parallel to the central line of the rotating shaft of the motor shaft 2, so that when the axial positioning assembly slides along the motor shaft 2, the balls can move along the central line of the rotating shaft of the motor shaft 2, deflection can not occur, the difficulty of axial position adjustment of the axial positioning assembly is reduced, and the adjustment efficiency is improved.
Preferably, a guide groove 5 is connected between two adjacent arc grooves, the depth of the guide groove 5 is smaller than that of the arc grooves, and the position of the ball is adjusted between the arc grooves along the guide groove 5. In the ball motion process, the ball rolls out from the arc groove and then falls into the guide groove 5, then continues to move to the next arc groove along the guide groove 5, in the process, the ball receives the circumferential limiting effect of the guide groove 5, can move along the straight line parallel to the central line of the rotating shaft of the motor shaft 2, avoids circumferential deflection, and improves the accuracy and reliability of the ball motion.
Preferably, the maximum depth of the arc-shaped groove is smaller than the diameter of the ball, so that the problem that the ball cannot roll out from the arc-shaped groove due to overlarge depth of the ball falling into the arc-shaped groove can be prevented, the reliability and convenience of axial position adjustment of the axial positioning assembly are improved, the axial adjustment difficulty of the axial positioning assembly is reduced, and the adjustment efficiency is improved.
Preferably, the arc-shaped groove is in arc transition connection with the peripheral wall of the motor shaft 2, so that the resistance of the ball when rolling out of the arc-shaped groove can be further reduced, collision of the edge of the arc-shaped groove during rolling of the ball is avoided, the service life of the ball is prolonged, and the rolling-out difficulty of the ball is reduced.
Preferably, a plurality of balls are arranged along the circumferential direction of the motor shaft 2, and each ball corresponds to a group of arc grooves arranged along the axial direction at intervals, so that axial limit can be formed on the axial positioning assembly along the circumferential direction of the motor shaft after the axial position of the axial positioning assembly is adjusted in place, and the stability and reliability of stress are improved, and the coaxiality of the axial positioning assembly and the motor shaft 2 is improved.
Preferably, the arcuate slot is a spherical slot.
The arcuate slot may be replaced with slots having other configurations of tapered ramps.
Preferably, the axial positioning assembly further comprises a positioning frame 6 sleeved outside the motor shaft 2, the balls are arranged between the positioning frame 6 and the motor shaft 2, when the balls are positioned at the first position, the positioning frame 6 is axially fixed relative to the motor shaft 2, and when the balls are positioned at the second position, the positioning frame 6 is axially movable relative to the motor shaft 2. The positioning frame 6 is used for being matched with the balls to limit the axial installation position of the parts on the motor shaft 2. When the ball is located at the first position, a clamping limit is formed between the ball and the arc-shaped groove, and the locating frame 6 receives the action of the ball and is axially limited on the motor shaft 2. When the balls are located at the second position, the balls can be separated from the arc-shaped grooves when the locating frame 6 moves axially along the motor shaft 2, so that the axial limit of the locating frame 6 is released, and the locating frame 6 can slide to a proper axial position axially along the motor shaft 2.
Preferably, in the present embodiment, the positioning frame 6 has a receiving groove 7 thereon, and the balls are movably disposed in the receiving groove 7 and can move in the receiving groove 7 to a first position radially outwardly of the motor shaft 2 or to a second position radially inwardly of the motor shaft 2. The accommodating groove 7 can provide a movement space for the balls to be clamped into the arc-shaped groove and to be separated from the arc-shaped groove, so that the balls can be conveniently switched between the first position and the second position, and the axial positioning and the positioning releasing operation of the axial positioning assembly are realized.
Preferably, the accommodating groove 7 is a through groove penetrating through the side wall of the positioning frame 6 along the radial direction of the motor shaft 2, the positioning frame 6 is of a sleeve type structure, the axial positioning assembly further comprises a positioning sleeve 8 sleeved on the periphery of the positioning frame 6, and the positioning sleeve 8 is provided with a locking position for pressing balls so as to fix the balls in the clamping groove 4 and an unlocking position for releasing the balls from the clamping groove 4.
In this embodiment, when the ball falls into the arc groove, the ball portion is exposed from the accommodation groove 7, and at this time, the position of the positioning sleeve 8 can be adjusted, so that the locking structure of the positioning sleeve 8 can reach the accommodation groove 7, and a pressing effect is formed on the ball, so that the ball is pressed in the arc groove, and an axial positioning effect on the axial positioning assembly is formed. When the axial positioning needs to be released, the positioning sleeve 8 can be adjusted, so that the locking structure of the positioning sleeve 8 can be separated from the accommodating groove 7, and at the moment, the balls can move outwards along the radial direction at the accommodating groove 7, so that when the axial positioning assembly axially slides relative to the motor shaft 2, the balls can slide out of the arc-shaped groove, and the axial position adjustment of the axial positioning assembly is realized.
Preferably, the positioning sleeve 8 has an inner conical surface 9, the axial position of the positioning sleeve 8 relative to the positioning frame 6 along the motor shaft 2 being adjustable, the inner conical surface 9 being moved to the receiving groove 7 to compress the balls when the positioning sleeve 8 is in the locked position, the inner conical surface 9 being remote from the receiving groove 7 when the positioning sleeve 8 is in the unlocked position.
When the positioning sleeve 8 moves towards the locking position, the inner conical surface 9 reaches the position of the accommodating groove 7, and the balls can be pressed by the inner conical surface, so that the axial positioning of the axial positioning assembly is realized. When the positioning sleeve 8 moves towards the unlocking position, the position away from the containing groove 7 is located, so that the pressing action on the balls is released, the balls can be separated from the arc-shaped groove, and the axial position of the axial positioning assembly is adjusted.
The friction structures such as patterns or waves can be arranged on the outer circumferential surface of the positioning sleeve 8, so that the outer circumferential friction force of the positioning sleeve 8 is increased, the positioning sleeve 8 is convenient to operate, the operation difficulty is reduced, and the adjustment efficiency is improved.
Preferably, in this embodiment, the outer periphery of the positioning frame 6 has an external thread extending in the axial direction, and the positioning sleeve 8 has an internal thread matching the external thread. The axial relative position of the positioning sleeve 8 and the positioning frame 6 can be conveniently adjusted by adjusting the rotation direction of the positioning sleeve 8 relative to the positioning frame 6, so that the relative position of the inner conical surface 9 of the positioning sleeve 8 and the accommodating groove 7 on the positioning frame 6 is adjusted, and the axial positioning of the axial positioning assembly is released and locked.
Preferably, a position mark can be arranged on one end face of the positioning frame 6, and the position mark can be correspondingly arranged with the positioning position mark on the motor shaft 2, so that positioning and installation of the positioning piece 6 on the motor shaft 2 are facilitated, and axial position adjustment of an axial positioning assembly on the motor shaft 2 can be conveniently realized.
In an embodiment not shown in the figures, the outer circumference of the positioning frame 6 is provided with a clamping protrusion, the inner circumference of the positioning sleeve 8 is provided with a sliding groove extending along the axial direction and a limiting groove extending along the circumferential direction, the limiting groove is arranged at the tail end of the sliding groove, the clamping protrusion is arranged in the sliding groove in a sliding manner, and when the clamping protrusion is clamped into the limiting groove, the inner conical surface 9 presses the balls into the limiting groove. When the axial position of the axial positioning component on the motor shaft 2 needs to be locked, the positioning sleeve 8 can be pressed towards the positioning frame 6, when the clamping protrusion is pressed into the position of the limiting groove along the sliding groove, the positioning sleeve 8 is rotated, so that the clamping protrusion is clamped into the limiting groove to axially position the positioning sleeve 8 and the positioning frame 6, and at the moment, the inner conical surface 9 can be pressed on the balls to axially limit the axial positioning component at the current position. When the unlocking is needed, the positioning sleeve 8 can be reversely rotated, so that the clamping protrusion is separated from the limiting groove and then outwards slides along the sliding groove, so that the inner conical surface 9 is separated from the ball, and further the axial unlocking can be carried out, and the axial position of the axial positioning assembly on the motor shaft 2 is adjusted.
Preferably, the end of the positioning frame 6, which cooperates with the positioning sleeve 8, has a conical section 14, and the receiving groove 7 is provided on the conical section 14. The containing groove 7 is arranged on the conical section 14, and the compression and decompression operation of the ball is easier to realize through the matching of the inner conical surface 9 and the outer conical surface of the conical section 14.
Preferably, the motor assembly further comprises a fixing piece 10, the parts comprise fan blades 11, the fixing piece 10 is used for circumferentially fixing the fan blades 11 and the motor shaft 2, and the axial positioning assembly is used for adjusting the axial installation position of the fan blades 11 on the motor shaft 2. Through this kind of structure, can conveniently adjust the axial mounted position of fan blade 11 on axial positioning subassembly. The fixing piece 10 is used for circumferentially fixing the fan blade 11 and the motor shaft 2, and can enable the fan blade 11 to rotate along with the motor shaft 2.
Preferably, the motor assembly further comprises a lock nut 12, the fixing piece 10 and the axial positioning assembly are respectively located at two ends of the fan blade 11, the fixing piece 10 is arranged at the outer end of the fan blade 11, the motor shaft 2 is provided with a threaded connection portion, and the lock nut 12 is fixedly arranged on the threaded connection portion and forms axial limit on the outer end of the fan blade 11. The lock nut 12 is arranged on one side of the fixing piece 10 far away from the fan blade 11, and can press the fixing piece 10 on the fan blade 11 to prevent the fixing piece 10 from axially falling out of the fan blade 11. The fan blade 11 can be conveniently locked on the motor shaft 2 by adjusting the position of the locking nut 12, so that the fan blade 11 is fixedly installed on the motor shaft 2. Of course, the fixing member 10 may be disposed between the axial positioning assembly and the fan blade 11, so long as the circumferential fixation of the fan blade 11 and the motor shaft 2 can be achieved.
In this embodiment, the end of the motor shaft 2 far away from the motor body 1 has a D-shaped shaft section, the fixing member 10 has a D-shaped hole matching with the D-shaped shaft section, and the end face of the fixing member 10 is in concave-convex fit with the end face of the fan blade 11. The D-shaped hole of the fixing piece 10 is matched with the D-shaped shaft section of the motor shaft 2, so that the fixing piece 10 can rotate along with the motor shaft 2, and further the fan blade 11 is driven to rotate along with the motor shaft 2, and the fan blade 11 can synchronously rotate relative to the motor shaft 2 in the circumferential direction.
Preferably, the end of the fixing member 10 facing the fan blade 11 has a cylinder 13, the end of the fan blade 11 facing the fixing member 10 has a circular groove, and the cylinder 13 is embedded in the circular groove. Of course, other concave-convex matching structures can be adopted for circumferential matching between the fixing member 10 and the fan blade 11, for example, a cylinder 13 is arranged on the fan blade 11, a circular groove is arranged on the fixing member 10, and the like.
It will be readily appreciated by those skilled in the art that the above advantageous ways can be freely combined and superimposed without conflict.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention. The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (11)
1. An electric motor assembly, characterized by comprising an electric motor body (1) and an axial positioning assembly; the motor body (1) is provided with a motor shaft (2), and the axial positioning assembly is used for adjusting the axial installation position of the parts on the motor shaft (2); the axial positioning component is movably arranged along the axial direction of the motor shaft (2), and is provided with a first working state axially limited on the motor shaft (2) and a second working state movably arranged on the motor shaft (2); the axial positioning assembly is provided with a clamping piece (3), a clamping groove (4) is formed in the motor shaft (2) along the axial direction, the clamping piece (3) is provided with a first position clamped into the clamping groove (4) to enable the axial positioning assembly to be fixed along the axial direction of the motor shaft (2) and a second position separated from the clamping groove (4) to enable the axial positioning assembly to move along the axial direction of the motor shaft (2); the clamping piece (3) is a ball, the clamping groove (4) is an arc groove, and a plurality of arc grooves are arranged at intervals along the axial direction of the motor shaft (2);
the axial positioning assembly further comprises a positioning frame (6) sleeved outside the motor shaft (2), the balls are arranged between the positioning frame (6) and the motor shaft (2), when the balls are located at a first position, the positioning frame (6) is axially fixed relative to the motor shaft (2), and when the balls are located at a second position, the positioning frame (6) is axially movable relative to the motor shaft (2);
the positioning frame (6) is provided with a containing groove (7), and the ball is movably arranged in the containing groove (7) and can move outwards to a first position along the radial direction of the motor shaft (2) or move inwards to a second position along the radial direction of the motor shaft (2) in the containing groove (7);
the accommodating groove (7) is a through groove penetrating through the side wall of the positioning frame (6) along the radial direction of the motor shaft (2), the positioning frame (6) is of a sleeve type structure, the axial positioning assembly further comprises a positioning sleeve (8) sleeved on the periphery of the positioning frame (6), and the positioning sleeve (8) is provided with a locking position for pressing the balls so that the balls are fixed in the clamping groove (4) and an unlocking position for releasing the pressing of the balls so that the balls are separated from the clamping groove (4);
the positioning sleeve (8) is provided with an inner conical surface (9), the axial position of the positioning sleeve (8) relative to the positioning frame (6) along the motor shaft (2) is adjustable, when the positioning sleeve (8) is positioned at a locking position, the inner conical surface (9) moves to the accommodating groove (7) to compress the balls, and when the positioning sleeve (8) is positioned at an unlocking position, the inner conical surface (9) is far away from the accommodating groove (7); the periphery of the locating frame (6) is provided with a clamping protrusion, the inner periphery of the locating sleeve (8) is provided with a sliding groove extending along the axial direction and a limiting groove extending along the circumferential direction, the limiting groove is arranged at the tail end of the sliding groove, the clamping protrusion is arranged in the sliding groove in a sliding manner, and when the clamping protrusion is clamped into the limiting groove, the inner conical surface (9) presses the ball into the limiting groove; the periphery of the locating frame (6) is provided with external threads extending along the axial direction, and the locating sleeve (8) is provided with internal threads matched with the external threads.
2. A motor assembly according to claim 1, wherein a plurality of said arcuate slots are grouped in accordance with their circle center line of a circle formed at the outer surface of said motor shaft (2), and the circle center line of a circle formed at the outer surface of said motor shaft (2) by said arcuate slots in the same group is parallel to the center line of the rotation shaft of said motor shaft (2).
3. A motor assembly according to claim 1, characterized in that a guiding groove (5) is connected between two adjacent arc-shaped grooves, the guiding groove (5) being of a depth smaller than the depth of the arc-shaped grooves, the balls being positioned along the guiding groove (5) between the arc-shaped grooves.
4. The motor assembly of claim 1, wherein a maximum depth of the arcuate slot is less than a diameter of the ball.
5. Motor assembly according to claim 1, characterized in that the arc-shaped groove is in arc-shaped transitional connection with the peripheral wall of the motor shaft (2).
6. Motor assembly according to claim 1, characterized in that a plurality of balls are arranged along the circumference of the motor shaft (2), each ball corresponding to a set of axially spaced arcuate grooves.
7. The motor assembly according to claim 1, characterized in that the end of the positioning frame (6) which cooperates with the positioning sleeve (8) is provided with a conical section (14), and the receiving groove (7) is arranged on the conical section (14).
8. Motor assembly according to any one of claims 1 to 7, characterized in that it further comprises a fixing element (10), said component comprising a blade (11), said fixing element (10) being adapted to fix said blade (11) circumferentially to said motor shaft (2), said axial positioning assembly being adapted to adjust the axial mounting position of said blade (11) on said motor shaft (2).
9. The motor assembly according to claim 8, further comprising a lock nut (12), wherein the fixing member (10) and the axial positioning assembly are respectively located at two ends of the fan blade (11), the fixing member (10) is disposed at an outer end of the fan blade (11), the motor shaft (2) has a threaded connection portion, and the lock nut (12) is fixedly disposed on the threaded connection portion and forms an axial limit for the outer end of the fan blade (11).
10. Motor assembly according to claim 8, characterized in that the end of the motor shaft (2) remote from the motor body (1) is provided with a D-shaped shaft section, the fixing piece (10) is provided with a D-shaped hole matched with the D-shaped shaft section, and the end face of the fixing piece (10) is in concave-convex fit with the end face of the fan blade (11).
11. The motor assembly according to claim 10, characterized in that the end of the fixing member (10) facing the fan blade (11) is provided with a cylinder (13), the end of the fan blade (11) facing the fixing member (10) is provided with a circular groove, and the cylinder (13) is embedded in the circular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710693012.0A CN107453542B (en) | 2017-08-14 | 2017-08-14 | Motor assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710693012.0A CN107453542B (en) | 2017-08-14 | 2017-08-14 | Motor assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107453542A CN107453542A (en) | 2017-12-08 |
| CN107453542B true CN107453542B (en) | 2023-10-27 |
Family
ID=60491965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710693012.0A Active CN107453542B (en) | 2017-08-14 | 2017-08-14 | Motor assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107453542B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825554B (en) * | 2018-09-11 | 2024-05-10 | 珠海格力电器股份有限公司 | Axial fan and air conditioner |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200961591Y (en) * | 2006-10-26 | 2007-10-17 | 珠海格力电器股份有限公司 | Electric fan and wind wheel assembly structure for air conditioner |
| CN202014163U (en) * | 2011-04-26 | 2011-10-19 | 宁波沪江电机有限公司 | Connecting structure between fan blade and output shaft of motor |
| CN102486177A (en) * | 2010-12-02 | 2012-06-06 | 乐金电子(天津)电器有限公司 | Positioning mechanism for motor and fan |
| TW201347926A (en) * | 2012-05-31 | 2013-12-01 | Chuan-Yu Luo | Wrench with telescopic positioning |
| CN204175669U (en) * | 2014-07-25 | 2015-02-25 | 珠海格力电器股份有限公司 | A kind of blower fan and there is its air conditioner outdoor machine |
| CN105515231A (en) * | 2015-12-24 | 2016-04-20 | 李峰 | Integrated water pump |
| CN105914945A (en) * | 2016-06-23 | 2016-08-31 | 曾子斌 | Device for preventing axial endplay of motor |
| CN206036596U (en) * | 2016-09-13 | 2017-03-22 | 杭州海康威视数字技术股份有限公司 | Camera subassembly and installing support thereof |
| CN207368816U (en) * | 2017-08-14 | 2018-05-15 | 珠海格力电器股份有限公司 | Electric machine assembly |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI222263B (en) * | 2003-08-15 | 2004-10-11 | Delta Electronics Inc | Non-bearing motor |
-
2017
- 2017-08-14 CN CN201710693012.0A patent/CN107453542B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200961591Y (en) * | 2006-10-26 | 2007-10-17 | 珠海格力电器股份有限公司 | Electric fan and wind wheel assembly structure for air conditioner |
| CN102486177A (en) * | 2010-12-02 | 2012-06-06 | 乐金电子(天津)电器有限公司 | Positioning mechanism for motor and fan |
| CN202014163U (en) * | 2011-04-26 | 2011-10-19 | 宁波沪江电机有限公司 | Connecting structure between fan blade and output shaft of motor |
| TW201347926A (en) * | 2012-05-31 | 2013-12-01 | Chuan-Yu Luo | Wrench with telescopic positioning |
| CN204175669U (en) * | 2014-07-25 | 2015-02-25 | 珠海格力电器股份有限公司 | A kind of blower fan and there is its air conditioner outdoor machine |
| CN105515231A (en) * | 2015-12-24 | 2016-04-20 | 李峰 | Integrated water pump |
| CN105914945A (en) * | 2016-06-23 | 2016-08-31 | 曾子斌 | Device for preventing axial endplay of motor |
| CN206036596U (en) * | 2016-09-13 | 2017-03-22 | 杭州海康威视数字技术股份有限公司 | Camera subassembly and installing support thereof |
| CN207368816U (en) * | 2017-08-14 | 2018-05-15 | 珠海格力电器股份有限公司 | Electric machine assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107453542A (en) | 2017-12-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9074659B2 (en) | Actuator with position detecting mechanism | |
| US8286971B2 (en) | Holding fixture | |
| CN107453542B (en) | Motor assembly | |
| CA2799150C (en) | Handle assembly for double-walled door | |
| EP1752741B1 (en) | Rotary encoder | |
| AU2006331139A1 (en) | Maintaining device for a rim of a vehicle wheel | |
| GB2476562A (en) | Mechanism for selecting axial hammer drilling or rotation drilling | |
| US7880351B2 (en) | Drive with an electric motor, a housing and a direction-dependent brake | |
| US9579784B2 (en) | Connecting structure-contained connection device of electric tool for connection with angle adjuster | |
| US9914176B2 (en) | Rotary tool | |
| US11035444B2 (en) | Thread rod assembly with an adjustable axial gap | |
| US3282614A (en) | Coupling device | |
| US11187302B2 (en) | Reduction gear and gear motor | |
| SE436657B (en) | STEPLESS ADJUSTABLE FRICTION CONVEXLE | |
| CN208719303U (en) | A kind of gear shaft | |
| CN212730269U (en) | Tower crane | |
| CN111258020B (en) | Screw thread locking structure and focusing lens assembly | |
| EP0147372A2 (en) | Device for attaching a bearing in a bearing holder | |
| US7619340B2 (en) | Drive unit with a rotationally fixed bearing element | |
| CN210830014U (en) | Connection structure and traveling device | |
| US9261082B2 (en) | Device for shifting one structure with respect to another | |
| CN219767872U (en) | Grinding head clamping device and grinding device | |
| CN111336199B (en) | Brake spring fixing device | |
| CN213827085U (en) | Clamp driving mechanism and chuck clamping device with same | |
| CN113738785B (en) | Simple clutch device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |