CN102857019A - Electric motor - Google Patents
Electric motor Download PDFInfo
- Publication number
- CN102857019A CN102857019A CN2012102139537A CN201210213953A CN102857019A CN 102857019 A CN102857019 A CN 102857019A CN 2012102139537 A CN2012102139537 A CN 2012102139537A CN 201210213953 A CN201210213953 A CN 201210213953A CN 102857019 A CN102857019 A CN 102857019A
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- Prior art keywords
- motor
- fixed part
- distribution
- feed line
- output line
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Abstract
The invention provides an electric motor capable of fixing a wire such as a feeder wire, an output wire and the like led from the electric motor to the external outside a shell of the electric motor simply in a manner that preventing position inclination. In the electric motor, a part on the outer peripheral end of a first bearing retaining frame (12) forming the shell (10) of the electric motor protrudes outward in a radial direction and an output side (L) of the part facing the electric motor (1) is bent, thereby forming a wire fixing part (17). The feeder wire (25) is led through a bush (16) installed in a gap between the first bearing retaining frame (12) and a cylindrical shell (11) to the external part of the shell of the electric motor. Besides, the feeder line (25) and a sensor output wire (56) are arranged along a fixing board part of the wire fixing part (17). The feeder line (25) and the sensor output wire (56) are made to penetrated through a cylindrical fixing component (60) formed through a thermal contraction component, and the fixing component (60) is made to contact and solidified. Therefore, the two wires are fastened on the fixing board part (17b).
Description
Technical field
The present invention relates to motor, say in further detail the fixed structure that relates to the various distributions such as feed line in the motor.
Background technology
Generally in motor, be fixed with the stator of tubular in the inboard of the tubular motor field frame that extends along the motor axis direction, dispose the rotor that possesses rotating shaft in the mode that can rotate in the inboard of this stator.The formation of this motor is disclosed in the patent documentation 1.
The stator of patent documentation 1 possesses stator core and is wound on drive coil in this stator core.Distolateral disposing for the wiring substrate to the drive coil power supply in the motor axis direction of stator.In addition, be provided with the encoder (encoder) of the rotating speed that detects rotating shaft or angle position etc. at the shaft end of the anti-outlet side of rotating shaft.Encoder possesses: transducer magnet, and it is installed on the shaft end of rotating shaft; Magnetic Sensor, itself and transducer are close with magnet and configure; Sensor base plate, it carries Magnetic Sensor; Sender unit cap, it covers transducer with magnet, Magnetic Sensor and sensor base plate.
Patent documentation 1: Japanese communique, JP 2009-290915 number
Summary of the invention
In patent documentation 1, be formed be used to the inserting hole that feed line is passed at motor field frame, and the feed line that will pass this inserting hole is incorporated into wiring substrate and is connected on the wiring substrate.Outer peripheral face at motor field frame is equipped with the cover that inserting hole is covered from the outside.Feed line passes the gap between cover and the motor field frame and is drawn abreast with motor field frame.
But, in such formation, although feed line can be drawn towards the direction of determining along the outer peripheral face of motor field frame,, owing to feeding pack is not fixed with respect to motor field frame, therefore, exist feed line that the danger of skew occurs.Therefore, can't effectively carry out the setting operation of feed line and corresponding attended operation.
In addition, in Fig. 1 of patent documentation 1 (a), the transducer output line of encoder passes the hole that is formed on the sender unit cap and is led to the outside, but, because being led to the transducer output line of motor outside is not fixed, therefore, thus have the transducer output line occur to swing can't effectively to carry out the danger of attended operation.And then this transducer output line extends and is not tied up together towards the direction different from above-mentioned feed line.Therefore, existence can't be carried out the danger of the processing of many distributions effectively.
In view of above problem points, problem of the present invention is, provides a kind of and can will lead to the distributions such as outside feed line or output line from motor in the structure of motor case external body can not the not positive mode of occurrence positions to be fixed simply.
In order to solve above-mentioned problem, motor of the present invention is provided with: the motor body section that possesses rotor and stator, accommodate the motor field frame of this motor body section, and be installed in detector in the above-mentioned motor body section, it is characterized in that, above-mentioned motor field frame possesses towards the outstanding distribution fixed part of its outer circumferential side, any one of the output line of drawing to the feed line that is arranged on the drive coil power supply in the above-mentioned motor body section with from above-mentioned detector or two kinds of distributions are fixed on this distribution fixed part by fixed part.
In the present invention, for example, these two kinds of distributions of above-mentioned feed line and above-mentioned output line are fixed on the above-mentioned distribution fixed part by above-mentioned fixed part.
As mentioned above, the present invention is formed with towards the outstanding distribution fixed part of the outer circumferential side of motor field frame, and will be fixed on this distribution fixed part by fixed part to the feed line that is arranged on the drive coil power supply in the motor body section or from the output line that detector is drawn.Consist of according to this, can easily fixedly lead to the distribution of motor case external body.
In addition, owing to being to use fixed part to fix distribution, therefore, malposition and the distribution that can suppress distribution are pulled out.In addition, owing to can will be fixed together to the feed line of motor body section power supply and the output line of detector, therefore, can be with these distributions mutually can the not positive mode of occurrence positions do not fixed.Therefore, the processing of distribution and attended operation thereof are easy.
In the present invention, above-mentioned fixed part has shrinkage, the convergent force by above-mentioned fixed part or contraction distortion and any one or two kinds of distributions of above-mentioned feed line and above-mentioned output line are fastened on the above-mentioned distribution fixed part.According to this formation, compare when only tying up and can be fixed more securely, therefore, can more effectively suppress the malposition of distribution.
As such fixed part, can use by its elastic contractile force or thermal contraction distortion any one or two kinds of distributions with above-mentioned feed line and above-mentioned output line to be fastened on parts on the above-mentioned distribution fixed part.Specifically, can use the heat-shrinkable tube that the heat-shrinkable raw material is formed tubular.In addition, above-mentioned fixed part is for example formed by at least any one resin raw material as main material with polyolefin, fluoropolymer and thermoplastic elastomer (TPE).
In the present invention, any one or two kinds of distributions of preferred above-mentioned feed line and above-mentioned output line are bonded on the above-mentioned distribution fixed part by having flexible adhering part.According to this formation, can be by bonding and more firmly fix distribution.In addition, because can be temporary fixed by adhering part, therefore, fixing operation is easy, and permanent wiring correctly.And then even distribution is stretched, because adhering part can stretch, therefore, bonding portion also is difficult to peel off, thereby distribution is difficult for being offset.In addition, owing to carrying out adhering part strain when fastening by fixed part, therefore, can more firmly fix distribution.
In the present invention, preferred above-mentioned distribution fixed part possesses the cladding parts that at least a portion that it is surperficial covers, and, this cladding parts has elasticity, and along the part that is covered by this cladding parts of above-mentioned distribution fixed part and configure any one or two kinds of distributions of above-mentioned feed line and above-mentioned output line.Consist of according to this, be formed at the burr damage on the marginal portion of distribution fixed part in the time of can preventing the manufactured distribution fixed part of distribution.
In addition, when the distribution fixed part is made of metal, utilize the cladding parts of resin etc. with its surface coverage, the adhesive strength of distribution is improved.
In the present invention, above-mentioned cladding parts is for example formed by at least any one resin raw material as main material take polyolefin, fluoropolymer and thermoplastic elastomer (TPE).
In the present invention, preferably be formed with necking part in the part of any one or two kinds of distributions of the above-mentioned feed line of being fixed with of above-mentioned distribution fixed part and above-mentioned output line.In this situation, for example any one or two kinds of distributions of above-mentioned feed line and above-mentioned output line are tied by being wound on the locational strapping of above-mentioned necking part.According to this formation, owing to by utilize strapping that distribution is tied up etc. and can be fixed securely at the necking part place, therefore, can more effectively prevent the malposition of distribution.
In the present invention, can adopt following such formation, that is, above-mentioned distribution fixed part possesses the plate portion that is formed with medial surface and lateral surface, and, configure above-mentioned feed line along above-mentioned medial surface, simultaneously, configure above-mentioned output line along above-mentioned lateral surface, above-mentioned fixed part is fixed on above-mentioned feed line and these two kinds of distributions of above-mentioned output line on the above-mentioned plate portion, wherein, above-mentioned medial surface is relative with the outer peripheral face of above-mentioned motor field frame, and above-mentioned lateral surface is towards the opposition side of this medial surface.According to this formation, can easily configure feed line and output line along the distribution fixed part, thereby can easily be fixed.In addition, can feed line and output line separately fitly be fixed by plate portion.
In the present invention, preferred above-mentioned distribution fixed part possesses the above-mentioned medial surface of above-mentioned plate portion and the cladding parts of above-mentioned lateral surface covering.Consist of according to this, be formed at the burr damage on the marginal portion of distribution fixed part in the time of can preventing the manufactured distribution fixed part of distribution.In addition, when the distribution fixed part is made of metal, utilize the cladding parts of resin etc. with its surface coverage, the adhesive strength of distribution is improved.
In addition, in this situation, preferred above-mentioned feed line and above-mentioned output line are bonded on the above-mentioned cladding parts by having flexible adhering part, in addition, preferred above-mentioned plate portion, above-mentioned cladding parts, above-mentioned feed line and above-mentioned output line are tied by the strapping of reeling from outer circumferential side.And then, preferred above-mentioned fixed part forms has inotropic tubular, convergent force by above-mentioned fixed part or contraction distortion and above-mentioned feed line, above-mentioned output line and above-mentioned strapping are fastened on the above-mentioned plate portion from outer circumferential side, in addition, preferred above-mentioned feed line and above-mentioned output line are bonded on the inner peripheral surface of above-mentioned fixed part by having flexible adhering part.Consist of according to this, can more effectively prevent the malposition of distribution.
In the present invention, for example above-mentioned distribution fixed part possesses outstanding board and fixing board, wherein, above-mentioned outstanding board is outstanding towards the radial outside of above-mentioned motor field frame, and above-mentioned fixedly board extends abreast with the outer peripheral face of above-mentioned motor field frame from the front end of above-mentioned outstanding board.
In the present invention, can adopt following such formation, namely, above-mentioned motor field frame possesses cylindrical case and retainer, above-mentioned distribution fixed part is outstanding from the neighboring of above-mentioned retainer, and wherein, above-mentioned cylindrical case extends along the motor axis direction, above-mentioned retainer is installed in the distolateral of this cylindrical case, and keeps bearing that the rotating shaft rotation of above-mentioned rotor is supported freely.According to this formation, can easily form the distribution fixed part.
In this situation, preferred above-mentioned feed line is connected on the substrate that is disposed in the above-mentioned cylindrical case, and, in the gap between the part relative with this end of an end of above-mentioned cylindrical case and above-mentioned retainer lining is installed, above-mentioned feed line is drawn towards above-mentioned bush side from aforesaid substrate, and pass the through hole that is formed on the above-mentioned lining, thereby led to the outside of above-mentioned motor field frame.According to this formation, owing to feed line can kept feed line by lining from the position that motor field frame is drawn, therefore, even on the position different from the distribution fixed part, also can keep feed line, thereby can seek more effectively to prevent that feed line from coming off and suppress the malposition of feed line.
In the present invention, can adopt following such formation, namely, motor also is provided with the brake that stops be used to the rotation that makes above-mentioned rotor, and, be fixed on the above-mentioned distribution fixed part by above-mentioned fixed part to the distribution of this brake any one or two kinds of distributions with above-mentioned feed line and above-mentioned output line.Consist of according to this, can be with the distribution of brake with feed line and output line mutually can the not positive mode of occurrence positions do not fixed.
In the present invention, for example above-mentioned distribution fixed part possesses the medial surface relative with the outer peripheral face of above-mentioned motor field frame and towards the lateral surface of the opposition side of this medial surface, and above-mentioned distribution fixed part forms by carrying out die-cut pressure processing from above-mentioned lateral surface towards above-mentioned medial surface.
(invention effect)
According to the present invention, can easily lead to distribution fixing of motor case external body.In addition, owing to being to use fixed part to fix distribution, therefore, can suppress the malposition of distribution.
Description of drawings
Fig. 1 is the key diagram of the outward appearance of the motor that relates to of expression embodiment of the present invention, and at this, Fig. 1 (a) is the end view of motor, and Fig. 1 (b) is the rearview of observing motor from anti-outlet side.
Fig. 2 is the sectional arrangement drawing of the motor of Fig. 1.
Fig. 3 is the rearview of observing cylindrical case from anti-outlet side.
Fig. 4 is the rearview of observing the clutch shaft bearing retainer from anti-outlet side.
Fig. 5 is the key diagram of the fixed structure of the expression distribution of drawing from motor field frame, at this, Fig. 5 (a) is the vertical view of distribution fixed part, Fig. 5 (b) is the end view of distribution fixed part, Fig. 5 (c) is the vertical view that expression is fixed on distribution the state on the distribution fixed part, and Fig. 5 (d) is the profile that expression is fixed on distribution the state on the distribution fixed part.
(symbol description)
1 motor
1A motor body section
10 motor field frames
11 cylindrical cases
The 11a cylindrical portion
11b connects board
12 clutch shaft bearing retainers
12a end plate section
The 12b bearing cage
13 second retainers
13a end plate section
The outer side tube part of 13b
The 13c bearing cage
13d inboard cylinder section
The circular board of 13e
14 encoders lid
The 14a rounded bottom
The 14b cylindrical portion
15 notchs
16 linings
The 16a through hole
17 distribution fixed parts
17a gives prominence to board
17b is board (plate portion) fixedly
The 17c medial surface
The 17d lateral surface
The 17e necking part
18 outstanding boards
19 earth connections
20 stators
21 stator cores
22 insulating elements
23 drive coils
24 wiring substrates
25 feed lines
26 connectors
30 rotors
31 rotating shafts
The 31a large diameter portion
Path portion among the 31b first
31c the first path part
The minimum path portion of 31d
Path portion among the 31e second
31f the second path part
32 driving magnet
41 clutch shaft bearings
42 second bearings
50 encoders (detector)
51 transducer magnet
52 magneto sensors
53 sensor base plates
54 frame substrates
The 54a annular flange portion
The outer side tube part of 54b
54c annular base plate section
54d inboard cylinder section
55 magnet maintaining parts
56 transducer output lines
57 notchs
58 linings
The 58a through hole
59 connectors
60 fixed parts
61 cladding parts
62 adhering parts
63 strappings
The D width dimensions
The d1 outside dimension
The d2 outside dimension
The L motor axis
The anti-outlet side of L1
The L2 outlet side
Embodiment
Below, with reference to accompanying drawing embodiments of the present invention are described.In addition, in the following description, one side of motor axis direction is made as " anti-outlet side the opposition side of side (rotating shaft outstanding) " and describes, the opposite side of motor axis direction is made as " outlet side (rotating shaft is given prominence to side) " describes.In addition, in the accompanying drawing of following institute reference, with " L " expression motor axis, with a side (anti-outlet side) of " L1 " expression motor axis direction, with the opposite side (outlet side) of " L2 " expression motor axis direction.
(whole formation)
Fig. 1 (a) is the end view of the motor that relates to of embodiments of the present invention, and Fig. 1 (b) is the rearview of observing motor from anti-outlet side.In addition, Fig. 2 is the sectional arrangement drawing of motor.This routine motor 1 is the larger permanent-magnet type synchronous motor of output torque.Motor 1 possesses: motor field frame 10; The 1A of motor body section, it is formed at the inboard of motor field frame 10; Encoder 50, it is disposed on the side L1 of motor axis L direction of the 1A of motor body section.The 1A of motor body section possesses the stator 20 of tubular and is configured in the rotor 30 of stator 20 inboards in the mode that can rotate.Rotating speed or the angle position of encoder 50 detection rotors 30.
(motor field frame)
Fig. 3 is the rearview of observing cylindrical case 11 from anti-outlet side L1, and Fig. 4 is the rearview of observing clutch shaft bearing retainer 12 from anti-outlet side L1.Cylindrical case 11 and clutch shaft bearing retainer 12 are made by Ferrious material.As shown in Figure 2, cylindrical case 11 possesses the end of cylindrical portion 11a and the anti-outlet side L1 that is connected cylindrical portion 11a towards the connection board 11b of radially inner side bending.As shown in Figure 3, except the angle position identical with notch described later 15, connect board 11b and be formed on the whole circumference of cylindrical portion 11a.
Such as Fig. 2, shown in Figure 4, clutch shaft bearing retainer 12 possesses the circular 12a of end plate section and bearing cage 12b, wherein, the above-mentioned circular 12a of end plate section from anti-outlet side L1 and cylindrical case 11 to be connected board 11b overlapping and fixed by screw, above-mentioned bearing cage 12b is formed at the middle body of the 12a of end plate section.In addition, be formed with the fixedly screwed hole of usefulness of screw on connection board 11b and the 12a of end plate section, still, in Fig. 3,4, all omitted diagram for the screwed hole that connects board 11b and the 12a of end plate section.Bearing cage 12b is cylindricly towards outlet side L2 from interior all lateral edge portions of the 12a of end plate section and extends, and its front end is crooked towards radially inner side, and locates in the central to be formed with circular open.Interior all sides of bearing cage 12b maintain the movable ring of the clutch shaft bearing 41 that is made of ball bearing.
Part on the circumferencial direction of the anti-outlet side L1 end of cylindrical portion 11a is formed with the notch 15 that cuts towards outlet side L2.By this notch 15, between the end of the anti-outlet side L1 of cylindrical case 11 and the part relative with this end of clutch shaft bearing retainer 12 (on the end plate section 12a neighboring and notch 15 be the part of same angle position), form the gap, lining (bush) 16 is installed in this gap.Be formed with through hole 16a on the lining 16.Feed line 25 to 20 power supplies of aftermentioned stator passes this through hole 16a, and is led to the outside of motor field frame 10 with the state that is kept by lining 16.
Such as Fig. 2, shown in Figure 4, notch 15 relative parts on the neighboring of the 12a of end plate section and cylindrical case 11 are formed with distribution fixed part 17.Distribution fixed part 17 possesses outstanding board 17a and fixing board 17b (plate portion), wherein, towards radial outside outstanding given size only, above-mentioned fixedly board 17b is crooked and extend abreast with the outer peripheral face of cylindrical portion 11a towards outlet side L2 from the front end of outstanding board 17a from the neighboring part of the 12a of end plate section for above-mentioned outstanding board 17a.
In the manner, it is identical with the 12a of end plate section and have the tabular of fixed width that outstanding board 17a and fixing board 17b form its thickness, and distribution fixed part 17 is the shape that the plate-like tile of the linearity of fixed width is bent to L word shape as a whole.Fixedly vacate the gap that links to each other with the through hole 16a of lining 16 between the outer peripheral face of board 17b and cylindrical portion 11a.
On the in the circumferential direction of the circle position adjacent with distribution fixed part 17 on the clutch shaft bearing retainer 12, also be formed with outstanding board 18, from overlapping position drawing earth connection 19 (with reference to Fig. 1 (b)) in a circumferential direction with this outstanding board 18.
The second retainer 13 is that the metal material that the conductive coefficients such as metal are higher than cylindrical case 11 employed Ferrious materials forms by aluminum-based metal or magnesium, and be formed its Thickness Ratio cylindrical case 11 and clutch shaft bearing retainer 12 thick.
The second retainer 13 possesses: the 13a of end plate section, and its contour shape of observing from motor axis L direction is roughly quadrangle; Outer side tube part 13b, its radial outside part from the 13a of this end plate section is outstanding towards anti-outlet side L1; Bearing cage 13c, it is formed at the middle body of the 13a of end plate section.Bearing cage 13c possesses the 13d of inboard cylinder section and circular board 13e, wherein, the above-mentioned inboard cylinder 13d of section is cylindricly towards anti-outlet side L1 from interior all lateral edge portions of the 13a of end plate section and extends, and above-mentioned circular board 13e is outstanding towards radially inner side from the half-way of the motor axis L direction of the 13d of this inboard cylinder section.The 13d of inboard cylinder section, compare the movable ring that part that circular board 13e is in anti-outlet side L1 maintains the second bearing 42 that is made of ball bearing.The center of circular board 13e is formed with circular open, and the rotating shaft 31 of rotor 30 is outstanding towards outlet side L2 from this circular open.
(stator)
Be formed with terminal and wiring graph that distribution connects usefulness on the wiring substrate 24.In addition, be connected with on the wiring substrate 24 via the feed line 25 of this wiring substrate 24 to the power supply usefulness such as coiling of drive coil 23.Feed line 25 is the flexible distributions that utilize after the insulating properties cladding parts coats the conductive metal line of copper cash etc., and led to as mentioned above, the outside of motor field frame 10 behind the through hole 16a of the lining 16 in passing the gap that is clipped between cylindrical case 11 and the clutch shaft bearing retainer 12.
That is, in the manner, because lining 16 itself to be being held with respect to motor field frame 10 stable states, and feed line 25 is maintained in this lining 16, and therefore, feed line 25 is drawn from motor field frame 10 with stable state via lining 16.The installation site that lining 16 is compared in the installation site of wiring substrate 24 is in outlet side L2.
Fore-end at feed line 25 is connected with connector 26.Therefore, can be via connector 26, feed line 25 and wiring substrate 24 from the outside to drive coil 23 power supplies of stator 20.In addition, between the bearing cage 12b of wiring substrate 24 and clutch shaft bearing retainer 12, there are not shown insulating properties bond layer and the not shown insulating spacer that inserts in this insulating properties bond layer in the soldering section that is coated in wiring substrate 24.Therefore, even when consisting of clutch shaft bearing retainer 12 by metal material, the wiring graph on clutch shaft bearing retainer 12 and the wiring substrate 24 can not be short-circuited yet.
(rotor)
The driving that rotor 30 possesses the rotating shaft 31 that extends along motor axis L direction and the outer circumferential side that is fixed on this rotating shaft 31 is with magnet 32, and with the state configuration that can the rotate inboard at stator 20.Rotating shaft 31 is arranged with the large diameter portion 31a that its outer circumferential side is equipped with driving usefulness magnet 32 at the middle part of motor axis L direction.The size of the motor axis L direction of large diameter portion 31a is greater than the size that drives with the motor axis L direction of magnet 32, and the part of the outlet side L2 of large diameter portion 31a is exposed with magnet 32 from driving.
The anti-outlet side L1 of the large diameter portion 31a of rotating shaft 31 be provided with diameter less than large diameter portion 31a first in path portion 31b.In addition, the anti-outlet side L1 of path portion 31b is provided with diameter less than the first path part 31c of path portion 31b in first in first.In the first path part 31c with first in the adjacent position of path portion 31b the collar of the clutch shaft bearing 41 that is made of ball bearing is installed.The anti-outlet side L1 of the first path part 31c is provided with the diameter minimum path portion 31d less than the first path part 31c.Be fixed with the magnet maintaining part 55 that the transducer that keeps aftermentioned encoder 50 is used magnet 51 on the minimum path portion 31d.
The outlet side L2 of the large diameter portion 31a of rotating shaft 31 be provided with diameter less than large diameter portion 31a second in path portion 31e.In addition, the outlet side L2 of path portion 31e is provided with diameter less than the second path part 31f of path portion 31e in second in second.With the adjacent position of large diameter portion 31a the collar of the second bearing 42 that is made of ball bearing is installed in second among the path portion 31e.
(encoder)
The encoder 50 as detector in the manner is arranged on the inboard of the encoder lid 14 of bottom tube-like, and wherein, the above-mentioned encoder lid 14 that bottom tube-like arranged is configured in the end of the anti-outlet side L1 of motor field frame 10.Encoder 50 possesses: transducer is with magnet 51, and it is installed in by magnet maintaining part 55 on the minimum path portion 31d set on the shaft end of anti-outlet side L1 of rotating shaft 31; Magneto sensor 52, it is relative and configure with magnet 51 with transducer; Sensor base plate 53, it carries magneto sensor 52.
On sensor base plate 53, be connected with the flexible sensor output line 56 that will utilize after the insulating properties cladding parts will coat for the holding wire of sending and receiving sensor signal.In addition, as transducer output line 56, also can use to possess holding wire and the output line of power supply with conductor wire.Cover the encoder lid 14 that bottom tube-like is arranged of encoder 50, the cylindrical portion 14b that possesses rounded bottom 14a and extend towards outlet side L2 from the periphery of this rounded bottom 14a.
Part at the circumferencial direction of cylindrical portion 14b is formed with notch 57.Notch 57 and above-mentioned notch 15 and distribution fixed part 17 are positioned at the same angle direction of circumferencial direction.By this notch 57, between encoder lid 14 and clutch shaft bearing retainer 12, form the gap, in this gap, be inserted with lining 58.Be formed with through hole 58a at lining 58.
(fixing structure of wiring)
Fig. 5 is the key diagram of the fixed structure of the distribution of drawing from motor field frame 10, Fig. 5 (a) is the vertical view (figure that observes from the arrow A direction of Fig. 4) of distribution fixed part 17, Fig. 5 (b) is the end view of distribution fixed part 17, Fig. 5 (c) is the vertical view that expression is fixed on distribution the state on the distribution fixed part 17, and Fig. 5 (d) is the profile that expression is fixed on distribution the state on the distribution fixed part 17.
In the manner, at the anti-outlet side L1 of the outstanding board 17a terminal part of distribution fixed part 17 lining 58 is installed, at the outlet side L2 of outstanding board 17a terminal part lining 16 is installed.Thus, feed line 25 and transducer output line 56 clip outstanding board 17a and are drawn towards the same angle direction of circumferencial direction.Feed line 25 and transducer output line 56 clip fixedly after the outside of stretching out motor field frame 10, and board 17b extends towards outlet side L2.
Say in further detail, fixedly board 17b possesses the medial surface 17c relative with the outer peripheral face of cylindrical portion 11a and towards the lateral surface 17d of the opposition side (namely outer circumferential side) of medial surface 17c, feed line 25 extends along medial surface 17c, and transducer output line 56 extends along lateral surface 17d.
Distribution fixed part 17 is formed: fixedly the width dimensions D of board 17b and outstanding board 17a (with reference to Fig. 5 (a)) is greater than the outside dimension d1 of feed line 25 and the outside dimension d2 of transducer output line 56 (with reference to Fig. 5 (d)).In addition, be formed with width on the position of the close front end of distribution fixed part 17 less than the necking part 17e of other parts.Feed line 25 and transducer output line 56 are fixed on fixedly on the board 17b with the specific length that comprises this necking part 17e by fixed part 60.
Fixedly the surface integral of board 17b is had flexible cladding parts 61 coverings.In the manner, use the thermal contraction parts as cladding parts 61.These thermal contraction parts are the heat-shrinkable tubes that at least any one resin raw material as main material with polyolefin, fluoropolymer, thermoplastic elastomer (TPE) formed tubular, shrink towards radially inner side when it is constituted as heating.In addition, these thermal contraction parts have elasticity under the state that shrinks after solidifying.
Insert in the cladding parts 61 (heat-shrinkable tube) and heat by fixing board 17b and cladding parts 61 (heat-shrinkable tube) is shunk solidify, be close to the fixedly lip-deep state of board 17b thereby become cladding parts 61.In addition, the thermal contraction parts that use as cladding parts 61 also can be to form take the other materials beyond polyolefin, fluoropolymer, the thermoplastic elastomer (TPE) heat-shrinkable tube of tubular as the resin raw material of main material.
At this, distribution fixed part 17 is with clutch shaft bearing retainer 12 and forms.Form owing to clutch shaft bearing retainer 12 utilizes the die-cut metallic plate of metal pattern and carries out pressure processing, therefore, be formed with burr in the marginal portion of Punching Technology end face.In the manner, the die-cut direction setting during with formation clutch shaft bearing retainer 12 is: do not make the clutch shaft bearing 41 of burr all sides in remaining on bearing cage 12b side-prominent.Therefore, medial surface 17c becomes the burr face, is formed with burr in the marginal portion of medial surface 17c.Cladding parts 61 is installed into the medial surface 17c integral body as the burr face is covered.
In the manner, fixed part 60 use with as cladding parts 61 and the parts that use are the thermal contraction parts of same formation, namely use the heat-shrinkable tube that the heat-shrinkable resin raw material is formed tubular.Feed line 25 and transducer output line 56 be fixed on operation on the fixing board 17b is following to be carried out like that.
At first, in the mode of fixedly board 17b covering cladding parts 61 is installed, and the medial surface 17c of the fixedly board 17b after coating and lateral surface 17d coating or stickup adhering part 62.Then, feed line 25 is disposed on the adhering part 62 and carries out bonding along medial surface 17c.Similarly, transducer output line 56 is disposed on the adhering part 62 and carries out bonding along lateral surface 17d.Then, utilize the strapping 63 be wound on necking part 17e position that these are integrally tied up.
Next, in the surface coating that is exposed to outer circumferential side of tying up the feed line 25 finished and transducer output line 56 or paste adhering part 62.Then, at the fixed part 60 that these integral body is passed tubular, and heat after positioning in necking part 17e and strapping 63 mode by fixed part 60 inboards.Thus, the thermal contraction parts after utilize to shrink solidifying are fastened on transducer output line 56 and feed line 25 fixedly on the board 17b.
(the main effect of the manner)
As mentioned above, in the motor 1 of the manner, make the outer circumference end part of the clutch shaft bearing retainer 12 that consists of motor field frame 10 outstanding towards radial outside, and, with this part towards outlet side L2 bending and it is extended along outer peripheral face of motor field frame 10, thereby form distribution fixed part 17.And, make the feed line 25 of drawing from the 1A of motor body section side and extend along this distribution fixed part 17 from the transducer output line 56 that encoder 50 is drawn, and utilize fixed part 60 that these are integrally in addition fastening.
Such distribution fixed part 17 is simple in structure, and can easily form.In addition, owing to being to use fixed part 60 to fix distribution (feed line 25 and transducer output line 56), therefore, malposition or the distribution that can suppress distribution are pulled out.Thus, can easily carry out processing and the electrical connection operation thereof of distribution.And then, can easily many distributions be fixed together, and the thickness of the distribution of being fixed or radical etc. also can change, and therefore, are convenient to fix aptly as required various distributions.
In addition, in the manner, feed line 25 and transducer output line 56 pass with stable state and remain on lining 16 on the motor field frame 10 and through hole 16a and the through hole 58a of lining 58, and are drawn from motor field frame 10 with the state that is kept by lining 16 and lining 58.Therefore, even on the position different from the fixed position on the distribution fixed part 17, also can seek to prevent that distribution is pulled out, thereby prevent the effect that distribution is pulled out and suppress the effect of distribution malposition high.
Particularly in the manner, use thermal contraction parts (heat-shrinkable tube) as fixed part 60, wherein, above-mentioned thermal contraction parts (heat-shrinkable tube) utilize the resin raw material of heat-shrinkable to form tubular and shrink towards radially inner side when being heated.Therefore, the thermal contraction parts are close on distribution fixed part 17 and the distribution continuously in the specific length scope, thereby can carry out securely fastening.
In addition, even such fixed part 60 also can seamlessly be close on the surface of distribution and strapping 63 when utilizing strapping 63 to install after tying up, therefore, even also can carry out securely fastening from strapping 63 tops.Malposition or the distribution that therefore, can effectively suppress distribution are pulled out.In addition, owing to being the mode mounting part spare 60 that covers fully with strapping 63, therefore, can prevent that strapping 63 is cut off or comes off, and, can retouch the distribution fixed position attractive in appearance, thereby make the aesthetic appearance raising.
In addition, in the manner, be formed with necking part 17e at the fixedly board 17b of distribution fixed part 17, and utilize strapping 63 that distribution is tied up along this necking part 17e.Therefore, can prevent that strapping 63 is offset, and can tie up securely.
And then, in the manner, fix distribution (feed line 25 and transducer output line 56) in conjunction with the fastening force of strapping 63 and fixed part 60 and the bonding force of adhering part 62.Specifically, with respect to after the fixing bonding distribution of board 17b, also undertaken bonding by adhering part 62 between distribution and the fixed part 60.Therefore, the bed knife of distribution further is enhanced, thereby malposition or the distribution that can effectively suppress distribution are pulled out.
In addition, have flexible parts owing to using as adhering part 62, therefore, even distribution is drawn, because adhering part 62 stretches, therefore, bonding position is difficult to peel off, thereby distribution is difficult for being offset.And then owing to can utilize provisionally permanent wiring of adhering part 62, therefore, fixing operation is easy, and permanent wiring correctly.In addition, owing to utilizing fixed part 60 to carry out adhering part 62 strains when fastening, therefore, can more firmly fix distribution.
In addition, in the manner, utilize in advance to have the fixedly medial surface 17c covering as the burr face of board 17b of flexible cladding parts 61, and distribution is fixed on this cladding parts 61.Therefore, can prevent that the clad material on distribution surface and distribution main body (conductor wire or holding wire) are formed at the burr damage on its end edge when being formed distribution fixed part 17 by Punching Technology.In addition, adhering part 62 is with respect to the adhesive strength of cladding parts 61, the adhesive strength when adhering part 62 directly being bonded in the fixedly board 17b surface that is formed by Ferrious material.Therefore, can more firmly fix distribution.
(variation)
(1) more than embodiments of the present invention are illustrated, still, the present invention is not limited to above-mentioned execution mode, can implement with various forms in the scope that does not break away from purport of the present invention.For example, in the above-described embodiment, feed line 25 and transducer output line 56 these two kinds of distributions all are fixed on the fixedly board 17b of distribution fixed part 17, but, also can be only any one distribution of feed line 25 and transducer output line 56 be fixed on fixedly on the board 17b by fixed part 60.
In addition, also can make to be led in the circumferential direction of the circle the locational earth connection 19 adjacent with distribution fixed part 17 and extend along fixing board 17b, and this earth connection 19 is fixed on fixedly on the board 17b by fixed part 60 individually or with any one or two kinds of distributions of feed line 25 and transducer output line 56.
In addition, the distribution that is fixed on the distribution fixed part 17 is not limited to above-mentioned three kinds, also can be the combination of other distributions or other distributions and above-mentioned distribution.For example, when being provided with the auxiliary equipment of electromagnetic brake mechanism with respect to rotor 30 etc., the distribution that leads to the motor outside from this auxiliary equipment also can be fixed on fixedly on the board 17b.In addition, the detector from the encoder 50 different formations of above-mentioned execution mode can be set in motor 1 also, and the output line of this detector is fixed on fixedly on the board 17b.
(2) in the above-described embodiment, fix distribution in conjunction with the fastening force of strapping 63 and fixed part 60 and the bonding force of adhering part 62, still, also can omit any one parts of strapping 63 or adhering part 62.In addition, also can omit strapping 63 and adhering part 62 these two parts.
(3) in the above-described embodiment, use the thermal contraction parts (heat-shrinkable tube) that form tubular as fixed part 60, still, fixed part 60 also can use the thermal contraction parts of other forms.For example also can adopt following such method, namely, the strapping that will be formed by the thermal contraction resin or banded adhesive tape parts are wound on fixedly board 17b and along on the distribution of fixedly board 17b configuration, and this strapping or banded adhesive tape parts are heated and make its contraction curing.
In addition, also can adopt following such method, namely, the elasticity raw material of rubber etc. is formed tubular, and after the state of its expansion and fixed part 60 similarly being installed it, remove pulling force and by elastic contractile force it is shunk towards radially inner side, thus distribution is fastened on fixedly on the board 17b.Perhaps, thus also can utilize the strapping that formed by the elasticity raw material or adhesive tape parts with distribution be banded in fixedly board 17b upper carry out fastening.Like this, can be with having inotropic various raw material and utilizing its convergent force or the next fastening distribution of contraction distortion.
(4) in the above-described embodiment, utilize the cladding parts 61 that formed by the thermal contraction parts fixedly board 17b integrally cover, still, also cladding parts 61 can be mounted to the fixedly burr face of board 17b of only covering.Perhaps, when the damage that need not to consider to be caused by burr, also can omit cladding parts 61.For example, when only being fixed on distribution on the lateral surface 17d, can omit cladding parts 61.In addition, cladding parts 61 is not limited to the thermal contraction parts so long as have the thickness of the most advanced and sophisticated buried degree that can make burr and have flexible parts and get final product.
(5) shape of the necking part 17e in the above-mentioned execution mode is not limited to the such shape of Fig. 5 (a), can suitably change in can guaranteeing the scope of the fixing intensity of board 17b.In addition, also can form a plurality of necking part 17e.
(6) in the above-described embodiment, make distribution fixed part 17 outstanding from the circular 12a of end plate section of clutch shaft bearing retainer 12, still, also can constitute and make distribution fixed part 17 outstanding from the edge of cylindrical case 11.Perhaps, also can constitute and make distribution fixed part 17 outstanding from the edge of encoder lid 14.In addition, in the above-described embodiment, be with clutch shaft bearing retainer 12 and form distribution fixed part 17, still, also can with engage after clutch shaft bearing retainer 12 forms distribution fixed part 17 dividually.
(7) bearing of trend of distribution fixed part 17 is not limited to direction as described above, can suitably change.That is, in the above-described embodiment, making fixedly that the outer peripheral face of the cylindrical portion 11a of board 17b and cylindrical case 11 extends abreast, still, can not be to extend abreast also.
(other execution modes)
In the above-described embodiment, enumerated the present invention has been applicable to example in the permanent-magnet type synchronous motor, but, also the present invention can be applicable to such as in other the synchronous motor or induction motor, commutator motor, other motor such as stepping motor or electromagnetic type synchronous motor.
Claims (22)
1. motor, it is provided with:
Motor body section, it possesses rotor and stator;
Motor field frame, it accommodates this motor body section; And
Detector, it is installed in the described motor body section;
Described motor is characterised in that,
Described motor field frame possesses towards the outstanding distribution fixed part of its outer circumferential side,
Any one of the output line of drawing to the feed line that is arranged on the drive coil power supply in the described motor body section with from described detector or two kinds of distributions are fixed on this distribution fixed part by fixed part.
2. motor as claimed in claim 1 is characterized in that, these two kinds of distributions of described feed line and described output line are fixed on the described distribution fixed part by described fixed part.
3. motor as claimed in claim 1 or 2 is characterized in that,
Described fixed part has shrinkage,
By convergent force or the contraction distortion of described fixed part, any one or two kinds of distributions of described feed line and described output line are fastened on the described distribution fixed part.
4. motor as claimed in claim 3 is characterized in that,
Described fixed part is fastened on the described distribution fixed part by its elastic contractile force or thermal contraction distortion any one or two kinds of distributions with described feed line and described output line.
5. motor as claimed in claim 4 is characterized in that, described fixed part is the heat-shrinkable tube that the heat-shrinkable raw material is formed tubular.
6. motor as claimed in claim 3 is characterized in that,
Described fixed part is formed by at least any one resin raw material as main material with polyolefin, fluoropolymer and thermoplastic elastomer (TPE).
7. such as each described motor in the claim 1,2,4 or 5, it is characterized in that,
Any one of described feed line and described output line or two kinds of distributions are bonded on the described distribution fixed part by having flexible adhering part.
8. such as each described motor in the claim 1,2,4 or 5, it is characterized in that,
Described distribution fixed part possesses the cladding parts that at least a portion that it is surperficial covers,
This cladding parts has elasticity, and
Along the part that is covered by this cladding parts of described distribution fixed part and configure any one or two kinds of distributions of described feed line and described output line.
9. motor as claimed in claim 8 is characterized in that,
Described cladding parts is formed by at least any one resin raw material as main material with polyolefin, fluoropolymer and thermoplastic elastomer (TPE).
10. such as each described motor in the claim 1,2,4 or 5, it is characterized in that,
Part at any one or two kinds of distributions of the described feed line of being fixed with of described distribution fixed part and described output line is formed with necking part.
11. motor as claimed in claim 10 is characterized in that,
Any one of described feed line and described output line or two kinds of distributions are tied by the locational strapping that is wound on described necking part.
12. such as each described motor in the claim 1,2,4 or 5, it is characterized in that,
Described distribution fixed part possesses plate portion, and wherein, described plate portion is formed with the medial surface relative with the outer peripheral face of described motor field frame and towards the lateral surface of the opposition side of this medial surface,
Configure described feed line along described medial surface, simultaneously, configure described output line along described lateral surface,
Described fixed part is fixed on described feed line and these two kinds of distributions of described output line on the described plate portion.
13. motor as claimed in claim 12 is characterized in that, described distribution fixed part possesses the cladding parts with the described medial surface of described plate portion and the covering of described lateral surface.
14. motor as claimed in claim 13 is characterized in that, described feed line and described output line are bonded on the described cladding parts by having flexible adhering part.
15. motor as claimed in claim 14 is characterized in that, described plate portion, described cladding parts, described feed line and described output line are tied by the strapping of reeling from outer circumferential side.
16. motor as claimed in claim 15 is characterized in that,
Described fixed part is formed has inotropic tubular,
Convergent force by described fixed part or contraction distortion and described feed line, described output line and described strapping are fastened on the described plate portion from outer circumferential side.
17. motor as claimed in claim 16 is characterized in that,
Described feed line and described output line are bonded on the inner peripheral surface of described fixed part by having flexible adhering part.
18. such as each described motor in the claim 1,2,4 or 5, it is characterized in that,
Described distribution fixed part possesses outstanding board and fixing board, and wherein, described outstanding board is outstanding towards the radial outside of described motor field frame, and described fixedly board extends abreast with the outer peripheral face of described motor field frame from the front end of described outstanding board.
19. such as each described motor in the claim 1,2,4 or 5, it is characterized in that,
Described motor field frame possesses cylindrical case and retainer, wherein, described cylindrical case extends along the motor axis direction, and described retainer is installed in the distolateral of this cylindrical case, and keep the rotating shaft of described rotor is rotated the bearing that is supported freely
Described distribution fixed part is outstanding from the neighboring of described retainer.
20. motor as claimed in claim 19 is characterized in that,
Described feed line is connected on the substrate that is disposed in the described cylindrical case,
In the gap between the part relative with this end of an end of described cylindrical case and described retainer lining is installed,
Described feed line is drawn towards described bush side from described substrate, and passes the through hole that is formed on the described lining, is led to thus the outside of described motor field frame.
21. such as each described motor in the claim 1,2,4 or 5, it is characterized in that,
Also be provided with the brake that stops be used to the rotation that makes described rotor,
Be fixed on the described distribution fixed part by described fixed part to the distribution of this brake any one or two kinds of distributions with described feed line and described output line.
22. such as each described motor in the claim 1,2,4 or 5, it is characterized in that,
Described distribution fixed part possesses medial surface and lateral surface, and described distribution fixed part forms by carrying out die-cut pressure processing from described lateral surface towards described medial surface, wherein, described medial surface is relative with the outer peripheral face of described motor field frame, and described lateral surface is towards the opposition side of this medial surface.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011142358A JP5864911B2 (en) | 2011-06-27 | 2011-06-27 | motor |
| JP2011-142358 | 2011-06-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102857019A true CN102857019A (en) | 2013-01-02 |
| CN102857019B CN102857019B (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220303099 Expired - Fee Related CN202663229U (en) | 2011-06-27 | 2012-06-26 | Motor |
| CN201210213953.7A Active CN102857019B (en) | 2011-06-27 | 2012-06-26 | Motor |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220303099 Expired - Fee Related CN202663229U (en) | 2011-06-27 | 2012-06-26 | Motor |
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| Country | Link |
|---|---|
| JP (1) | JP5864911B2 (en) |
| CN (2) | CN202663229U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110336421A (en) * | 2018-03-28 | 2019-10-15 | 日本电产高科电机株式会社 | Motor |
| CN112042085A (en) * | 2018-04-27 | 2020-12-04 | 三菱电机株式会社 | Electric motor |
| CN112433370A (en) * | 2019-08-26 | 2021-03-02 | 日本电产三协株式会社 | Driving device and head-up display device |
| CN113169620A (en) * | 2018-12-14 | 2021-07-23 | 三菱电机株式会社 | Electric motor |
| CN113572301A (en) * | 2020-04-28 | 2021-10-29 | 日本电产三协株式会社 | Electric motor |
| CN113572300A (en) * | 2020-04-28 | 2021-10-29 | 日本电产三协株式会社 | Electric motor |
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| JP7039116B2 (en) * | 2017-09-07 | 2022-03-22 | 日本電産コパル株式会社 | motor |
| JP7324609B2 (en) * | 2019-04-23 | 2023-08-10 | 株式会社マキタ | electric work machine |
| JP6824456B2 (en) * | 2020-02-27 | 2021-02-03 | ミネベアミツミ株式会社 | Centrifugal fan |
| JP7491016B2 (en) | 2020-03-27 | 2024-05-28 | ニデックパワートレインシステムズ株式会社 | Motors and electric pumps |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110336421A (en) * | 2018-03-28 | 2019-10-15 | 日本电产高科电机株式会社 | Motor |
| CN112042085A (en) * | 2018-04-27 | 2020-12-04 | 三菱电机株式会社 | Electric motor |
| CN112042085B (en) * | 2018-04-27 | 2023-09-22 | 三菱电机株式会社 | Motor with a motor housing having a motor housing with a motor housing |
| CN113169620A (en) * | 2018-12-14 | 2021-07-23 | 三菱电机株式会社 | Electric motor |
| CN113169620B (en) * | 2018-12-14 | 2022-04-15 | 三菱电机株式会社 | Electric motor |
| CN112433370A (en) * | 2019-08-26 | 2021-03-02 | 日本电产三协株式会社 | Driving device and head-up display device |
| CN113572301A (en) * | 2020-04-28 | 2021-10-29 | 日本电产三协株式会社 | Electric motor |
| CN113572300A (en) * | 2020-04-28 | 2021-10-29 | 日本电产三协株式会社 | Electric motor |
| CN113572300B (en) * | 2020-04-28 | 2023-07-07 | 日本电产三协株式会社 | Motor with a motor housing having a motor housing with a motor housing |
| CN113572301B (en) * | 2020-04-28 | 2023-07-18 | 日本电产三协株式会社 | Motor with a motor housing having a motor housing with a motor housing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102857019B (en) | 2015-12-09 |
| CN202663229U (en) | 2013-01-09 |
| JP2013009570A (en) | 2013-01-10 |
| JP5864911B2 (en) | 2016-02-17 |
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