CN207304219U - Motor - Google Patents
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- CN207304219U CN207304219U CN201721049374.8U CN201721049374U CN207304219U CN 207304219 U CN207304219 U CN 207304219U CN 201721049374 U CN201721049374 U CN 201721049374U CN 207304219 U CN207304219 U CN 207304219U
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- brake
- motor
- rear end
- end cap
- bearing
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Abstract
The utility model is on a kind of motor, is related to appliance field, and main purpose is that solve existing brake causes the longer technical problem of the axial length of brake in the rear end cap of motor.The technical solution mainly used for：Motor, it includes rear end cap and brake；Wherein, the rear end cap is integrally formed on the brake.According in technical solution provided by the utility model, because rear end cap is integrally formed on the brake, rear end cap and the integrally-built mechanical strength that brake is formed are of a relatively high, compared with the prior art, under identical mechanical strength, the wall thickness of rear end cap can be done relatively thin, so as to so that the outside diameter of brake can do it is relatively large, so on the premise of ensureing that brake rated power is constant, it is smaller that the increase of brake outside diameter can do the axial length of brake, and then the axial length of brake can be shortened, so that the whole length of motor can also be shortened.
Description
Technical field
Technical field of electric appliances is the utility model is related to, more particularly to a kind of motor.
Background technology
With the rapid development that robot etc. is intelligently equipped, market to the performance and structural requirement of servomotor increasingly
Height, each servomotor producer all are making every effort to develop the servomotor that length is short, small, power density is high.
Traditional servo motor includes brake and aluminum rear end cap.Brake is installed in aluminum rear end cap, rear end cap
Outer wall is used for protecting brake, so aluminum rear end cover outer wall needs certain thickness to ensure mechanical strength.
The drawbacks of such a structure is brought be：The cylindrical size of brake is limited be subject to rear end cap wall thickness, and then brake
Need to design certain axial length to ensure its rated power.Brake axial length is longer, and servomotor whole length is just
It is bigger.
Utility model content
In view of this, the utility model provides a kind of motor, and main purpose is that solving existing brake is installed on motor
Rear end cap in cause the longer technical problem of the axial length of brake.
To reach above-mentioned purpose, the utility model mainly provides following technical solution：
On the one hand, the embodiment of the utility model provides a kind of motor, it includes rear end cap and brake；
Wherein, the rear end cap is integrally formed on the brake.
The purpose of this utility model and solve its technical problem and can also be applied to the following technical measures to achieve further.
In foregoing motor, optionally, the rear end cap is integrally formed by way of heating or being molded in the system
On dynamic device.
In foregoing motor, optionally, the rear end cap is made of tubular molding compound.
In foregoing motor, optionally, the inside of the rear end cap has accommodating cavity, and the brake is located at the appearance
Put intracavitary.
In foregoing motor, optionally, the first end of the rear end cap has rotor bearing room, the rotor bearing room
Connected with the axis hole on the brake.
In foregoing motor, optionally, the motor further includes bearing cover；
The bearing cover is arranged on the first end of the rear end cap, and the bearing cover is used to bearing being limited in described
In rotor bearing room.
In foregoing motor, optionally, the motor further includes encoder, and the encoder is installed on the bearing cap
One end of the remote rear end cap of plate.
In foregoing motor, optionally, the motor includes stator casing；
The second end of the rear end cap has a dogging shoulder, the dogging shoulder be inserted into one end of the stator casing and with it is described fixed
Described one end clamping of subshell；
Wherein, the second end is opposite with the first end.
In foregoing motor, optionally, the brake is monoblock type brake or split type brake.
In foregoing motor, optionally, the motor is servomotor.
By above-mentioned technical proposal, the utility model motor at least has the advantages that：
In technical solution provided by the utility model, because rear end cap is integrally formed on the brake, rear end cap and system
The integrally-built mechanical strength that dynamic device is formed is of a relatively high, compared with the prior art, under identical mechanical strength, after
The wall thickness of end cap can be done relatively thin, so as to so that the outside diameter of brake can do it is relatively large, so ensure brake
On the premise of device rated power is constant, the increase of brake outside diameter can make the axial length of brake be smaller, Jin Erke
To shorten the axial length of brake so that the whole length of motor can also be shortened.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand the skill of the utility model
Art means, and being practiced according to the content of specification, with the preferred embodiment of the utility model and coordinate attached drawing detailed below
Describe in detail bright as after.
Brief description of the drawings
Fig. 1 is a kind of structure diagram for motor that an embodiment of the utility model provides；
Fig. 2 is a kind of part assembling structure schematic diagram for motor that an embodiment of the utility model provides；
Fig. 3 is the schematic diagram that bearing cover is assembled to structure in Fig. 2；
Fig. 4 is the schematic diagram that stator is assembled to structure in Fig. 3；
Fig. 5 is the schematic diagram that fore bearing is assembled to structure in Fig. 4；
Fig. 6 is the schematic diagram that drive end bearing bracket is assembled to structure in Fig. 5；
Fig. 7 is the schematic diagram that encoder is assembled to structure in Fig. 6；
Fig. 8 is the schematic diagram that encoder cover is assembled to structure in Fig. 7.
Reference numeral：1st, rear end cap；11st, accommodating cavity；12nd, rotor bearing room；100th, motor；2nd, brake；3rd, bearing cap
Plate；4th, rear bearing；5th, encoder；6th, stator；61st, stator casing；7th, fore bearing；8th, drive end bearing bracket；9th, encoder cover.
Embodiment
Further to illustrate that the utility model is to reach the technological means and effect that predetermined purpose of utility model taken,
Below in conjunction with attached drawing and preferred embodiment, to embodiment, structure, feature and its work(according to the present utility model application
Effect, describes in detail as after.In the following description, what different " embodiment " or " embodiment " referred to is not necessarily same implementation
Example.In addition, the special characteristic, structure or feature in one or more embodiments can be combined by any suitable form.
As shown in Figure 1, a kind of motor 100 that one embodiment of the utility model proposes, it includes rear end cap 1 and braking
Device 2.Wherein, rear end cap 1 is integrally formed on brake 2, for example is integrally formed on the outer surface of brake 2.
In the technical solution of above-mentioned offer, because rear end cap 1 is integrally formed on brake 2, rear end cap 1 and brake
The 2 integrally-built mechanical strengths formed are of a relatively high, compared with the prior art, under identical mechanical strength, and rear end
The wall thickness of lid 1 can be done relatively thin, so as to so that the outside diameter of brake 2 can do it is relatively large, so ensure brake
On the premise of 2 rated power of device is constant, it is smaller that the increase of 2 outside diameter of brake can do the axial length of brake 2, and then
The axial length of brake 2 can be shortened so that the whole length of motor 100 can also be shortened.
Wherein, foregoing rear end cap 1 can be integrally formed on brake 2 by way of heating or being molded, with convenient
Operation.
Preferably, foregoing rear end cap 1 can be made of BMC tubular molding compound.BMC material is Bulk (Dough)
The abbreviation of molding compounds, i.e. tubular molding compound.The country is commonly referred to as unsaturated polyester (UP) tubular molding compound.BMC bulk moulds
Plastics have excellent electric property, mechanical performance, heat resistance, chemical resistance, and adapt to various moulding process, can meet
Requirement of the various products to performance.
Further, as shown in Figures 1 to 8, the inside of foregoing rear end cap 1 has accommodating cavity 11, and brake 2 is positioned at accommodating
In chamber 11, the wall thickness of such rear end cap 1 can be that brake 2 provides effective protection, prevent brake 2 to be subject to outer damage.
As depicted in figs. 1 and 2, the first end of foregoing rear end cap 1 has rotor bearing room 12, rotor bearing room 12 and braking
Axis hole connection on device 2.The rotor 10 of the utility model motor 100 passes through rotor bearing room 12, rotor bearing via brake 2
Bearing is installed in room 12, which is set on rotor 10.Wherein, above-mentioned bearing can be that rear axle holds 4.In this example
In, since rotor bearing room 12 to be arranged on to one end of rear end cap 1, so there is the technique effect for facilitating bearing to install.
As shown in figures 1 and 3, the motor 100 of the utility model further includes bearing cover 3.Bearing cover 3 is arranged on rear end
The first end of lid 1, bearing cover 3 is used to bearing being limited in rotor bearing room 12, to prevent bearing from rotor bearing room 12
Interior abjection.
Further, foregoing bearing cover 3 is detachably arranged on rear end cap 1, for example can be connected by screw
Deng the technique effect of such bearing with easy disassembly rotor bearing room 12.
As shown in Figure 1 and Figure 7, the motor 100 of the utility model further includes encoder 5, and encoder 5 is installed on bearing cover
One end of 3 remote rear end cap 1.Due to there is the isolation of bearing cover 3, heat transfer on rear end cap 1 can be slowed down to coding
On device 5, prevent that the temperature of encoder 5 is excessive and is damaged.
Preferably, foregoing bearing cover 3 is made of heat-barrier material, further to prevent the heat transfer on rear end cap 1
Onto encoder 5.
As shown in Figure 1 and Figure 4, the motor 100 of the utility model further includes stator casing 61.The second end tool of rear end cap 1
There is dogging shoulder 13, dogging shoulder 13 is inserted into one end of stator casing 61 and is clamped with one end of stator casing 61.Wherein, second end and the
One end is opposite.In this example, by then passing through the mode connecting stator shell 61 and rear end cap 1 of clamping, have convenient for assembly
Technique effect.
The motor 100 that the utility model embodiment provides can be servomotor, it will be understood by those of skill in the art that
Servomotor is merely illustrative, is not used to limit the technical solution of the present embodiment.
The operation principle and preferred embodiment of the utility model is described below.
In the technical solution of above-mentioned offer, rear end cap 1 is integrally formed on brake 2, it is preferred that rear end cap 1 passes through
The mode integrated injection molding of injection is on the outer wall of brake 2.Such a structure can make 2 largest outside diameter of brake be designed into motor
100 outer contour sizes.On the premise of ensureing that 2 rated power of brake is constant, the outside diameter increase of brake 2 brings brake 2
The shortening of axial length, and then 100 whole length of servomotor shortens.
Traditional brake is overall to be generally installed on the rear end cap 1 of motor 100 by screw.Used in the technical program
The injection molding materials such as BMC are molded rear end cap 1, brake 2 are placed in injection mold in injection moulding process, the side that rear end cap 1 passes through injection
Formula forms an entirety with brake 2, as depicted in figs. 1 and 2.
The outer wall of brake 2 can be made of metal material, and rear end cap 1 is with the injection molding material injection molding such as BMC.
Rear end cap 1 uses injection molding material integrated injection molding, and the thermal conductivity factor of injection molding material is larger, more conducively radiates.
The assembling process of the utility model motor 100 is as follows：1st, by injection molding machine by 1 integrated injection molding of rear end cap to brake
On 2, rear end cap 1 is set to form an entirety with brake 2；2nd, the rear end cap 1 and system of rear bearing 4, rotor 10 together with injection
Dynamic device 2 assembles, as shown in Figure 2；The 4th, bearing cover 3 is installed, as shown in Figure 3；The 5th, stator 6 is installed, as shown in Figure 4；6th, before installing
Bearing 7, as shown in Figure 5；The 7th, drive end bearing bracket 8 is installed, as shown in Figure 6；The 8th, encoder 5 is installed, as shown in Figure 7；The 9th, encoder is installed
Lid 9, as shown in Figure 8；10th, final assembly is completed, as shown in Figure 1.
Wherein, brake 2 is not limited to the monoblock type brake structural in diagram, and split type brake structural is also in this patent
Protection domain.Servomotor structure is not limited to the structure in embodiment, and the servomotor of other structures is also in this patent
Protection domain.
According to the above embodiments, the motor 100 of the utility model at least has following advantages：Shorten motor 100
Whole length.
Need exist for explanation be：In the case where there is no conflict, those skilled in the art can incite somebody to action according to actual conditions
Relevant technical characteristic is mutually combined in above-mentioned each example, to reach corresponding technique effect, particularly for various combined situations
Do not repeat one by one herein.
The above descriptions are merely preferred embodiments of the present invention, and not the utility model is made in any form
Limitation, any simple modification, equivalent change and modification made to above example according to the technical essence of the utility model,
In the range of still falling within technical solutions of the utility model.
Claims (10)
1. a kind of motor, it is characterised in that including rear end cap (1) and brake (2)；
Wherein, the rear end cap (1) is integrally formed on the brake (2).
2. motor as claimed in claim 1, it is characterised in that
The rear end cap (1) is integrally formed by way of heating or being molded on the brake (2).
3. motor as claimed in claim 1 or 2, it is characterised in that
The rear end cap (1) is made of tubular molding compound.
4. motor as claimed in claim 1 or 2, it is characterised in that
The inside of the rear end cap (1) has accommodating cavity (11), and the brake (2) is located in the accommodating cavity (11).
5. motor as claimed in claim 1 or 2, it is characterised in that
The first end of the rear end cap (1) has rotor bearing room (12), the rotor bearing room (12) and the brake (2)
On axis hole connection.
6. motor as claimed in claim 5, it is characterised in that
The motor further includes bearing cover (3)；
The bearing cover (3) is arranged on the first end of the rear end cap (1), and the bearing cover (3) is used to limit on bearing
In the rotor bearing room (12).
7. motor as claimed in claim 6, it is characterised in that
The motor further includes encoder (5), and the encoder (5) is installed on the remote rear end of the bearing cover (3)
Cover the one end of (1).
8. motor as claimed in claim 5, it is characterised in that
The motor includes stator casing (61)；
The second end of the rear end cap (1) has a dogging shoulder (13), the dogging shoulder (13) be inserted into the stator casing (61) one end,
And it is clamped with described one end of the stator casing (61)；
Wherein, the second end is opposite with the first end.
9. such as the motor any one of claim 1,2,6 to 8, it is characterised in that
The brake (2) is monoblock type brake or split type brake.
10. such as the motor any one of claim 1,2,6 to 8, it is characterised in that
The motor is servomotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721049374.8U CN207304219U (en) | 2017-08-18 | 2017-08-18 | Motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721049374.8U CN207304219U (en) | 2017-08-18 | 2017-08-18 | Motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207304219U true CN207304219U (en) | 2018-05-01 |
Family
ID=62443472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721049374.8U Active CN207304219U (en) | 2017-08-18 | 2017-08-18 | Motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207304219U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107528403A (en) * | 2017-08-18 | 2017-12-29 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor |
| CN108616195A (en) * | 2018-06-20 | 2018-10-02 | 珠海格力电器股份有限公司 | Electric machine |
| CN112242768A (en) * | 2020-09-25 | 2021-01-19 | 中车永济电机有限公司 | Composite end cover of enhanced heat dissipation type closed motor |
-
2017
- 2017-08-18 CN CN201721049374.8U patent/CN207304219U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107528403A (en) * | 2017-08-18 | 2017-12-29 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor |
| CN107528403B (en) * | 2017-08-18 | 2020-01-14 | 珠海格力电器股份有限公司 | Electric machine |
| CN108616195A (en) * | 2018-06-20 | 2018-10-02 | 珠海格力电器股份有限公司 | Electric machine |
| CN108616195B (en) * | 2018-06-20 | 2024-03-29 | 珠海格力电器股份有限公司 | Motor with a motor housing |
| CN112242768A (en) * | 2020-09-25 | 2021-01-19 | 中车永济电机有限公司 | Composite end cover of enhanced heat dissipation type closed motor |
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