CN206962650U - A kind of motor with grating encoder - Google Patents
A kind of motor with grating encoder Download PDFInfo
- Publication number
- CN206962650U CN206962650U CN201720660516.8U CN201720660516U CN206962650U CN 206962650 U CN206962650 U CN 206962650U CN 201720660516 U CN201720660516 U CN 201720660516U CN 206962650 U CN206962650 U CN 206962650U
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- motor
- cover lid
- convex ring
- positioning convex
- motor case
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Abstract
The utility model discloses a kind of motor with grating encoder, how solves the problems, such as in the prior art quickly and easily in motor case end install housing.Its drip irrigation device is a kind of motor with grating encoder, including motor case and the encoder component that is installed on outside motor case, and the motor case one end for being provided with the encoder component is removably connected with the afterbody cover lid for covering encoder component；The motor case end face is provided with positioning convex ring, and the positioning convex ring lateral surface is respectively equipped with the external screw thread and internal thread of threaded connection with afterbody cover lid madial wall, reaches and purpose that is quick and easily installing afterbody case is realized by positioning convex ring and threaded connection.
Description
Technical field
A kind of motor is the utility model is related to, in particular, is related to a kind of motor with grating encoder.
Background technology
The performance of motor be influence elevator door performance an important factor for, at present, in elevator door frequently with motor mainly have
Permanent magnet DC motor, AC induction motor and switched reluctance machines three major types type.AC asynchronous motor is a kind of by electric energy turn
Turn to the electric drive of mechanical energy.It is mainly made up of stator, rotor and the air gap between them.Stator winding is led to
After three-phase alternating-current supply, rotating excitation field and cutting rotor are produced, obtains torque.Three-phase AC asynchronous motor has structure simple
Single, reliable, cheap, overload capacity is strong and use, installation, it is easy to maintenance the advantages that, be widely used in each neck
Domain.
Grating encoder is part indispensable in motor, it is necessary to detect the rotor phase of motor using grating encoder
For the position signalling and tach signal of stator, it can be provided and accurately opened for drive circuit and control circuit by position signalling
Logical, cut-off signals, rational controlled motor rotation, tach signal can detect the rotating speed of motor in real time, ensure that motor can be with
Safety, stable operation.Grating encoder mainly from the grating encoder that is installed in rotating shaft and with the inspection with grating encoder
Element is surveyed to form.
Grating encoder using when need to be powered, then because part motor can touch water, then to ensure grating encoder just
Often use, be typically necessary and case is set in the outside of grating encoder, how quick and convenient install housing be need it is to be solved
The problem of.
Utility model content
The purpose of this utility model is to provide a kind of motor with grating encoder, is set in one end of grating encoder
Case, and realize quick by the cooperation of motor case and case and easily install.
Above-mentioned technical purpose of the present utility model technical scheme is that：One kind has grating encoding
The motor of device, including motor case and the encoder component that is installed on outside motor case, are provided with the encoder component
Motor case one end is removably connected with the afterbody cover lid for covering encoder component；The motor case end face is provided with convex
Ring, and the positioning convex ring lateral surface is respectively equipped with the external screw thread and internal thread of threaded connection with afterbody cover lid madial wall.
By using above-mentioned technical proposal, encoder component is installed outside motor case, for rotating shaft in measurement motor
Rotating speed, because encoder component needs to be powered, then set afterbody cover housing to live encoder component, avoid encoder component directly by water
Influence, influence the normal use of encoder component, positioning convex ring be set outside motor case, and positioning convex ring is provided with outer spiral shell
Line, afterbody cover lid have internal thread, so that motor case is connected through a screw thread with afterbody cover lid, install convenient and dismounting side
Just, while because of the positioning of positioning convex ring so that afterbody cover lid fast positioning is installed on motor case.
It is of the present utility model to be further disposed in the lateral surface of the positioning convex ring is provided with guiding afterbody cover lid and positioning
The guiding surface that bulge loop coordinates, and the external screw thread is located in positioning convex ring one section to connect with wire inclined-plane.
By using above-mentioned technical proposal, guiding surface is set, consequently facilitating guiding afterbody cover lid coordinates with positioning convex ring,
Realize the purpose of fast positioning installation afterbody cover lid.
It is of the present utility model to be further disposed in the area that the positioning convex ring lateral surface root is enclosed is more than afterbody
The area that cap side walls end is enclosed.
By using above-mentioned technical proposal so that the junction of positioning convex ring and afterbody cover lid produces thrust, afterbody cover
The side wall of lid slightly deforms through extruding, increases the fastness of connection on the basis of threaded connection, while prevents water from occlusion spiral shell
Flowed in the gap of tooth, it is ensured that the drying inside afterbody cover lid, avoid contact with moisture encoder component.
It is of the present utility model be further disposed in, in the motor case end face be provided be close to positioning convex ring lateral surface
Annular groove.
By using above-mentioned technical proposal, annular groove is set, the water flowed on motor case need to pass through annular groove and could enter
At the gap that afterbody cover lid coordinates with motor case, so as to increase the distance that water need to flow through, water is effectively avoided to penetrate into junction
In gap.
It is of the present utility model to be further disposed in the afterbody cap side walls end coordinated with the annular groove, which is installed with, to be located at
Seal between afterbody cover lid and motor case.
By using above-mentioned technical proposal, seal is set, increases the sealing between afterbody cover lid and motor case.
It is of the present utility model to be further disposed in the encoder component has the cable for being powered, the afterbody
Cover lid offers the through hole worn for cable.
By using above-mentioned technical proposal, through hole is set, so as to which the cable for encoder component passes through, realizes encoder group
The purpose that part can be powered so that can encoder component using when also install afterbody cover lid, to protect encoder component just
Often running.
It is of the present utility model to be further disposed in the through hole is provided with elastic sealing film, and the elastic sealing film
In be provided with contraction/distension gap hole.
By using above-mentioned technical proposal, because elastic sealing film is flexible, then gap hole is received with the cable size worn
Contracting or expansion, so as to prevent water from being flowed into through hole in afterbody cover lid.
It is of the present utility model to be further disposed in the lateral wall of the afterbody cover lid is equipped with anti-slip veins.
By using above-mentioned technical proposal, increase hand and the contact area of afterbody cap side walls, in order to increase friction, from
And it is easy to rotate on afterbody cover lid and is connected with motor case.
In summary, the utility model has the advantages that：Installed outside motor case for measurement motor transfer
The encoder component of rotating speed, set afterbody cover housing to live encoder component, avoid encoder component from directly contacting water, in motor
Positioning convex ring is set outside casing, and positioning convex ring is provided with external screw thread, afterbody cover lid has internal thread, so that motor case
It is connected through a screw thread with afterbody cover lid, install convenient and convenient disassembly, while because of the positioning of positioning convex ring so that afterbody cover lid is fast
Fast location and installation is on motor case.
Brief description of the drawings
Fig. 1 is schematic diagram of the present utility model；
Fig. 2 is the schematic diagram of motor case side；
Fig. 3 is the schematic diagram of afterbody cover lid；
Fig. 4 is sectional view of the present utility model.
In figure, 1, motor case；2nd, encoder component；21st, cable；3rd, afterbody cover lid；31st, internal thread；32nd, through hole；33、
Anti-slip veins；4th, positioning convex ring；41st, guiding surface；42nd, external screw thread；5th, annular groove；6th, elastic sealing film；61st, gap；7th, seal.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As depicted in figs. 1 and 2, a kind of motor with grating encoder, including motor case 1, along motor case 1 axially
Center is equipped with a machine shaft（Do not illustrated in figure）, and one end that machine shaft is worn out outside motor case 1 is provided with
Encoder component 2, for the rotating speed of measurement motor rotating shaft, encoder component 2 is connected with cable 21, for being powered, so that
Encoder component 2, which can operate, carries out detection work.There is the afterbody being connected with motor case 1 positioned at the periphery of encoder component 2
Cover lid 3, encoder component 2 is covered, avoid encoder component 2 from directly being influenceed by water, influenceing the normal of encoder component 2 makes
With.
With reference to shown in Fig. 3, afterbody cover lid 3 is in the cylindrical shape of single radial cut chamber, including bottom surface and the side wall for enclosing bottom surface,
Side wall is set perpendicular to the ground, and the side wall diameter of afterbody cover lid 3 is less than the diameter of motor case 1, but in the inner cavity chamber of afterbody Zhao Gai 3
Space much larger than the space shared by encoder component 2, so as to avoid the afterbody cover lid 3 after installation from being connect with encoder component 2
Touch, and the alternating that more space facilitates air is provided, consequently facilitating the radiating of encoder component 2.
The inside sidewalls of afterbody cover lid 3 are provided with the internal thread 31 for being used for being connected with motor case 1 close to side wall top end.Tail
Portion's cover lid 3 offers a through hole 32, is passed for the cable 21 for encoder component 2, so as to be used in encoder component 2
When also install afterbody cover lid 3, to protect the normal operation of encoder component 2, through hole 32 be opened in the bottom surface of afterbody cover lid 3 with
The intersection of side wall, avoid when afterbody cover lid 3 rotates and installed so that cable 21 winds coding with the change in location of through hole 32
Device assembly 2, so as to prevent cable 21 from being damaged because of bending.Elastic sealing film 6 is provided with through hole 32, and in elastic sealing film 6
The heart is provided with the hole of a gap 61, and because elastic sealing film 6 is flexible, then the hole of gap 61 is shunk or expanded with the size of cable 21 worn
, so as to prevent water from being flowed at through hole 32 in afterbody cover lid 3.The side wall end face of afterbody cover lid 3 is adhesively fixed with one through glue
Individual seal 7, seal 7 are made up of rubber, have certain elasticity.
With reference to shown in Fig. 4, it is installed with positioning convex ring 4 on the end face of motor case 1, and positioning convex ring 4 is located at encoder
The periphery of component 2, lateral surface of the positioning convex ring 4 backwards to the center of circle is provided with guiding surface 41, and guiding surface 41 is close to positioning convex ring 4
Top, consequently facilitating guiding afterbody cover lid 3 coordinates with positioning convex ring 4, realize that fast positioning installs the purpose of afterbody cover lid 3.
One end that the lateral surface of positioning convex ring 4 connects with guiding surface 41 is provided with external screw thread 42, so as to through external screw thread 42 and internal thread 31
Cooperation, afterbody cover lid 3 is installed on motor case 1, dismounting is simple.
The lateral surface of positioning convex ring 4 has one section of inclination of external screw thread 42, and incline direction is identical with guiding surface 41, but
Angle of inclination is 2 °, less than the angle of inclination of guiding surface 41, so that external screw thread 42 is arranged on inclined face, and is positioned
The area that the lateral surface root of bulge loop 4 is enclosed is more than the area that the side wall ends of afterbody cover lid 3 are enclosed, so that afterbody cover lid
3 with positioning convex ring 4 coordinate when, because positioning convex ring 4 lateral surface tilt, then the junction of positioning convex ring 4 and afterbody cover lid 3 produce
Thrust so that the side wall of afterbody cover lid 3 slightly deforms through extruding, increases the fastness of connection on the basis of threaded connection,
Prevent water from being flowed from the gap 61 of occlusion thread simultaneously, it is ensured that the drying inside afterbody cover lid 3, to avoid contact with moisture encoder
Component 2.
Annular groove 5 is offered on the end face of motor case 1, and annular groove 5 is close to the lateral surface setting of positioning convex ring 4, then works as tail
When portion's cover lid 3 coordinates with motor case 1, the end of the side wall of afterbody cover lid 3 is placed in annular groove 5 so that seal 7 is placed in annular groove 5
Interior, then the water flowed on motor case 1, which need to pass through annular groove 5, could enter the gap 61 that afterbody cover lid 3 coordinates with motor case 1
Place, so as to increase the distance that water need to flow through, water is effectively avoided to penetrate into gap 61, and the setting of sealed part 7, increase afterbody cover
Sealing between lid 3 and motor case 1, while because seal 7 is flexible so that the afterbody cover lid 3 after installation is by close
The extruding of sealing 7, increase the occlusion dynamics of external screw thread 42 and internal thread 31, avoid water from being flowed in the thread gap 61 of occlusion.
The side-wall outer side of afterbody cover lid 3 is equipped with anti-slip veins 33, increase hand and the contact area of the side wall of afterbody cover lid 3, with
It is easy to increase to rub, is connected consequently facilitating afterbody cover lid 3 is rotated with motor case 1, and avoid because of external screw thread 42 and internal thread
31 snap-in force is spent greatly, it is difficult to dismantles afterbody cover lid 3.
When the utility model is installed, only cable 21 need to first be passed from the gap 61 in elastic sealing film 6 at through hole 32, passed through
The guiding surface 41 of positioning convex ring 4 is positioned, and afterbody cover lid 3 is directed at into positioning convex ring 4 on motor case 1, and through outer spiral shell
The cooperation of line 42 and internal thread 31, rotating tail cover lid 3 is until the side wall ends of afterbody cover lid 3 contradict the bottom surface of annular groove 5.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (8)
1. a kind of motor with grating encoder, including motor case (1) and it is installed on the encoder of motor case (1) outside
Component (2), it is characterised in that：Motor case (1) one end for being provided with the encoder component (2) is removably connected with and covers volume
The afterbody cover lid (3) of code device assembly (2)；Motor case (1) end face is provided with positioning convex ring (4), and the positioning convex ring (4)
Lateral surface is respectively equipped with the external screw thread (42) and internal thread (31) of threaded connection with afterbody cover lid (3) madial wall.
A kind of 2. motor with grating encoder according to claim 1, it is characterised in that：The positioning convex ring (4)
Lateral surface be provided with the guiding surface (41) that guiding afterbody cover lid (3) coordinates with positioning convex ring (4), and the external screw thread (42) is set
One section to connect in positioning convex ring (4) with wire inclined-plane.
A kind of 3. motor with grating encoder according to claim 2, it is characterised in that：The positioning convex ring (4)
The area that lateral surface root is enclosed is more than the area that afterbody cover lid (3) side wall ends are enclosed.
A kind of 4. motor with grating encoder according to claim 3, it is characterised in that：In the motor case
(1) end face is provided with the annular groove (5) for being close to positioning convex ring (4) lateral surface.
A kind of 5. motor with grating encoder according to claim 4, it is characterised in that：Match somebody with somebody with the annular groove (5)
Afterbody cover lid (3) side wall ends of conjunction are installed with the seal (7) between afterbody cover lid (3) and motor case (1).
A kind of 6. motor with grating encoder according to claim 5, it is characterised in that：The encoder component
(2) there is the cable (21) for being powered, the afterbody cover lid (3) offers the through hole (32) worn for cable (21).
A kind of 7. motor with grating encoder according to claim 6, it is characterised in that：Through hole (32) place is set
Flexible diaphragm seal (6), and gap (61) hole of contraction/distension is provided with the elastic sealing film (6).
A kind of 8. motor with grating encoder according to claim 1, it is characterised in that：The afterbody cover lid (3)
Lateral wall be equipped with anti-slip veins (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720660516.8U CN206962650U (en) | 2017-06-07 | 2017-06-07 | A kind of motor with grating encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720660516.8U CN206962650U (en) | 2017-06-07 | 2017-06-07 | A kind of motor with grating encoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206962650U true CN206962650U (en) | 2018-02-02 |
Family
ID=61378738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720660516.8U Active CN206962650U (en) | 2017-06-07 | 2017-06-07 | A kind of motor with grating encoder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206962650U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111427225A (en) * | 2019-01-10 | 2020-07-17 | 青岛海信激光显示股份有限公司 | Laser light source and laser projection equipment |
| US11570411B2 (en) | 2019-01-10 | 2023-01-31 | Hisense Laser Display Co., Ltd. | Laser light source and laser projection device |
| US11592145B2 (en) | 2019-01-10 | 2023-02-28 | Hisense Laser Display Co., Ltd. | Laser light source and laser projection device |
-
2017
- 2017-06-07 CN CN201720660516.8U patent/CN206962650U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111427225A (en) * | 2019-01-10 | 2020-07-17 | 青岛海信激光显示股份有限公司 | Laser light source and laser projection equipment |
| CN111427225B (en) * | 2019-01-10 | 2022-09-23 | 青岛海信激光显示股份有限公司 | Laser light source and laser projection equipment |
| US11570411B2 (en) | 2019-01-10 | 2023-01-31 | Hisense Laser Display Co., Ltd. | Laser light source and laser projection device |
| US11592145B2 (en) | 2019-01-10 | 2023-02-28 | Hisense Laser Display Co., Ltd. | Laser light source and laser projection device |
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