CN209462186U - The driving device and electric product be made of motor and gear case assembly - Google Patents
The driving device and electric product be made of motor and gear case assembly Download PDFInfo
- Publication number
- CN209462186U CN209462186U CN201920372433.8U CN201920372433U CN209462186U CN 209462186 U CN209462186 U CN 209462186U CN 201920372433 U CN201920372433 U CN 201920372433U CN 209462186 U CN209462186 U CN 209462186U
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- Prior art keywords
- output shaft
- bearing part
- groove
- driving device
- bearing
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- 230000004308 accommodation Effects 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 11
- 239000004519 grease Substances 0.000 claims description 7
- 230000001050 lubricating effect Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 7
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The utility model provides a kind of driving device being made of motor and gear case assembly, the motor has output shaft, the gear case assembly has gear-box and the bearing part inside the gear-box, the gear-box has the accommodation space for accommodating gear and the output shaft, the end of the output shaft is supported on the gear-box across the bearing part, the bearing part has the axial abutment surface abutted in the axial direction with the axial end face of the output shaft, wherein, at least one party in the axial abutment surface of the axial end face of the output shaft and the bearing part, with with non-contacting first groove of another party.It is fluted by being formed between the axial end face of the output shaft in motor and the axial abutment surface of bearing part by the utility model, to increase heat-dissipating space, it is conducive to heat dissipation；Also, since bearing part and/or output shaft form groove, the overall weight of driving device is alleviated.
Description
Technical field
The utility model relates to field of motors more particularly to a kind of driving device being made of motor and gear case assembly with
And electric product.
Background technique
In the driving device being made of motor and gear case assembly, there are the output shaft of motor is passed through bearing part
(for example, sleeve) is supported on the structure of gear case assembly.
In existing above structure, which is usually in cap-like structure, and be sheathed on the output shaft of motor
The end abutment of end, the inside of the bearing part of the cap-like structure and the output shaft, the bearing part of the cap-like structure it is outer
Side bearing is in gear case assembly.In order to swimmingly support the output shaft rotation of motor, in the defeated of the bearing part and motor
Lubricating grease is also coated between shaft.
It should be noted that the above description of the technical background is intended merely to conveniently carry out clearly the technical solution of the utility model
Chu, complete explanation, and facilitate the understanding of those skilled in the art and illustrate.It cannot be merely because these schemes be practical at this
Novel background technology part is expounded and thinks that above-mentioned technical proposal is known to those skilled in the art.
Utility model content
However, it is found by the inventors that in existing structure, due to being connected to motor on the inside of the bearing part of cap-like structure
The end of output shaft one end, in motor operations, the output shaft of motor high speed rotary grinding in bearing part, the heat of generation
Continue to increase, lead to the grease swelling in bearing part, is easy to overflow bearing part, to be unable to effectively lubricating.
To solve the above-mentioned problems, the utility model provides a kind of driving device being made of motor and gear case assembly
And electric product.
According to the utility model embodiment in a first aspect, providing a kind of driving being made of motor and gear case assembly
Device, the motor have output shaft, and the gear case assembly has gear-box and the supporting part inside the gear-box
Part, the gear-box have the accommodation space for accommodating gear and the output shaft, and the end of the output shaft is across the branch
Bearing portion part is supported on the gear-box, and the bearing part has the axis abutted in the axial direction with the axial end face of the output shaft
To bearing surface, wherein at least one party in the axial abutment surface of the axial end face of the output shaft and the bearing part has
With non-contacting first groove of another party.
According to the second aspect of the utility model embodiment, a kind of driving device as described in relation to the first aspect is provided,
In, the bearing part also has the bearing part internal perisporium for the periphery wall for surrounding the output shaft in the circumferential, the bearing
Component internal perisporium and at least one in the bearing part the internal perisporium radially periphery wall of the opposed output shaft
Side has and non-contacting second groove of another party.
According to the third aspect of the utility model embodiment, a kind of driving device as described in second aspect is provided,
In, first groove is connected to second groove, constitutes communication groove.
According to the fourth aspect of the utility model embodiment, a kind of driving device as described in the third aspect is provided,
In, the communication groove has multiple.
According to the 5th of the utility model embodiment the aspect, a kind of drive as described in the third aspect or fourth aspect is provided
Dynamic device, wherein bearing flank is formed between the communication groove, the bearing flank includes being located at first groove
Between the first bearing flank and the second bearing flank between second groove, the first bearing flank and institute
It states the second bearing flank and passes through inclination flank connection.
According to the 6th of the utility model embodiment the aspect, a kind of driving device as described in relation to the first aspect is provided,
In, first groove has multiple, is formed with the first bearing flank between first groove, the first bearing flank
Obliquely.
According to the 7th of the utility model embodiment aspect, a kind of driving device as described in terms of the 6th is provided,
In, first groove is equal with the first bearing circumferential width of flank.
According to the eighth aspect of the utility model embodiment, a kind of driving device as described in relation to the first aspect is provided,
In,
The bearing part is made of resin material, and first groove is formed in the axial of the bearing part and abuts
Face.
According to the 9th of the utility model embodiment the aspect, a kind of driving device as described in relation to the first aspect is provided,
In, lubricating grease is filled between the bearing part and the output shaft.
According to the tenth of the utility model embodiment the aspect, a kind of electric product is provided, wherein the electric product has
Driving device as described in either side in terms of first aspect to the 9th.
One of the beneficial effects of the utility model are: the driving device of the utility model passes through the output shaft in motor
It is formed fluted between axial end face and the axial abutment surface of bearing part, to increase heat-dissipating space, is conducive to heat dissipation；And
And since bearing part and/or output shaft form groove, the overall weight of driving device is alleviated.
Referring to following description and accompanying drawings, the particular implementation of the utility model is disclosed in detail, specifies practical
Novel principle can be in a manner of adopted.It should be understood that the embodiments of the present invention in range not thus by
Limitation.In the range of the spirit and terms of appended claims, the embodiments of the present invention includes many changes, modifications
With it is equivalent.
Detailed description of the invention
Included attached drawing is used to provide to be further understood from the utility model embodiment, and which constitute specifications
A part for illustrating the embodiments of the present invention, and comes together to illustrate the principles of the present invention with verbal description.It is aobvious
And easy insight, the drawings in the following description are merely some embodiments of the present invention, for those of ordinary skill in the art
For, without creative efforts, it is also possible to obtain other drawings based on these drawings.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the driving device of the utility model embodiment 1；
Fig. 2 is the partial enlarged view of the dotted line frame A of Fig. 1；
Fig. 3 is the schematic diagram of the bearing part of the utility model embodiment 1；
Fig. 4 is the schematic top plan view of the output shaft of the utility model embodiment 1；
Fig. 5 is the schematic elevation view of the output shaft of the utility model embodiment 1；
Fig. 6 is the cross-sectional view of the bearing part of the utility model embodiment 1；
Fig. 7 is the top view of the bearing part of the utility model embodiment 1.
Specific embodiment
Referring to attached drawing, by following specification, the aforementioned and other feature of the utility model be will be apparent.It is saying
In bright book and attached drawing, the particular implementation of the utility model is specifically disclosed, which show wherein can be practical new using this
The some embodiments of the principle of type, it will thus be appreciated that the utility model is not limited to described embodiment, on the contrary, this reality
With novel whole modifications, modification and equivalent including falling within the scope of the appended claims.
In embodiments of the present invention, term " first ", " second " etc. are used to distinguish different elements from appellation, but
It is not offered as space arrangement or the time sequencing etc. of these elements, these elements should not be limited by these terms.Term " and/
Or " include the associated term listed one kind or any one of multiple and all combinations.Term "comprising", " comprising ",
" having " etc. refers to the presence of stated feature, element, element or component, but presence or addition one or more is not precluded
Other features, element, element or component.
In embodiments of the present invention, singular " one ", "the" etc. include plural form, should be broadly interpreted as "an"
Or " one kind " and be not defined as "one" meaning；Furthermore term " described " be interpreted as both include singular and also including
Plural form, unless the context clearly indicates otherwise.Furthermore term " according to " is interpreted as " based in part on ... ", term
" being based on " is interpreted as " being at least partially based on ... ", unless the context clearly indicates otherwise.
It, for convenience of description, will be along the direction that the central axis of motor extends in the following the description of the utility model
Or direction in parallel is known as " axial direction ", and the radial direction centered on central axis is known as " radial direction ", will surround center
The direction of axis is known as " circumferential direction ", but this simply to illustrate that convenience, direction of restriction motor when using and manufacturing.
Embodiment 1
The utility model embodiment provides a kind of driving device being made of motor and gear case assembly.
Fig. 1 is the structural schematic diagram of the driving device of the utility model embodiment 1；Fig. 2 is the part of the dotted line frame A of Fig. 1
Enlarged drawing；Fig. 3 is the schematic diagram of the bearing part of the utility model embodiment 1；Fig. 4 is the output of the utility model embodiment 1
The schematic top plan view of axis；Fig. 5 is the schematic elevation view of the output shaft of the utility model embodiment 1.
As depicted in figs. 1 and 2, driving device 10 is made of motor 11 and gear case assembly 12, and motor 11 has output shaft
111, gear case assembly 12 has gear-box 121 and the bearing part 122 inside gear-box 121；Gear-box 121, which has, to be held
Receive the accommodation space S of gear 123 and at least part output shaft 111, the end E1 of output shaft 111 is across bearing part 122
It is supported on gear-box 121；There is bearing part 122 axial direction abutted in the axial direction with the axial end face 1111 of output shaft 111 to support
Junction 1221.
In the present embodiment, as shown in figure 3, the axial abutment surface 1221 of bearing part 122 is provided with and output shaft 111
The non-contacting first groove G1 of axial end face 1111, and/or, as shown in figure 4, the axial end face 1111 of output shaft 111 is provided with
With the non-contacting first groove G1 of axial abutment surface 1221 of bearing part 122.
That is, in the axial abutment surface 1221 of the axial end face 1111 of output shaft 111 and bearing part 122 at least
One side is provided with and the non-contacting first groove G1 of another party.
Thus structure is abutted by the axial end face 1111 of the output shaft 111 in motor 11 with the axial direction of bearing part 122
Fluted G1 is formed between face 1221, to increase the heat-dissipating space between motor and gear case assembly, is conducive to heat dissipation；And
And since bearing part 122 and/or output shaft 111 form groove, the overall weight of driving device 10 is alleviated.
In the present embodiment, as depicted in figs. 1 and 2, bearing part 122 also has surrounds output shaft 111 in the circumferential
The bearing part internal perisporium 1222 of periphery wall 1112, also, as shown in figure 3, bearing part internal perisporium 1222 be provided with and with branch
The non-contacting second groove G2 of periphery wall 1112 of the opposed output shaft 111 radially of bearing portion part internal perisporium 1222, and/or,
As shown in figure 5, being provided with and supporting with the periphery wall 1112 of the opposed output shaft 111 radially of bearing part internal perisporium 1222
The non-contacting second groove G2 of component internal perisporium 1222.
That is, bearing part internal perisporium 1222 and with the opposed output radially of bearing part internal perisporium 1222
At least one party in the periphery wall 1112 of axis 111 is provided with and the non-contacting second groove G2 of another party.
As a result, by the way that groove is arranged again on the periphery wall 1112 of bearing part internal perisporium 1222 and/or output shaft 111
G2 can further increase the heat-dissipating space between motor and gear case assembly, and can further mitigate the entirety of driving device 10
Weight.
In the present embodiment, as depicted in figs. 1 and 2, the periphery wall 1112 of bearing part internal perisporium 1222 and output shaft 111
Contact, but the present embodiment is without being limited thereto, and bearing part internal perisporium 1222 can not also be contacted with the periphery wall 1112 of output shaft 111.
In the case where the two contact, bearing part 122 is stronger to the bearing of output shaft 111 reliable, and non-contacting in the two
In the case of, the heat for the generation that rubs between bearing part 122 and output shaft 111 can be reduced.
As described above, the first groove G1 and the second groove G2 may be disposed at bearing part 122, or may also set up in defeated
Shaft 111, or can also be set to bearing part 122 simultaneously and be set to output shaft 111.
Hereinafter, for convenience of explanation, by taking the first groove G1 and the second groove G2 are set to bearing part 122 as an example into
Row explanation, but it should be recognized that scheme described below is set to output shaft for the first groove G1 and the second groove G2
111 the case where, is equally applicable.
In the present embodiment, as shown in figure 3, the first groove G1 is connected to the second groove G2, communication groove G12 is constituted.By
This, the molding of bearing part 122 is simple, is conducive to heat dissipation.
In the present embodiment, as shown in figure 3, the quantity of communication groove G12 is 6, but the present embodiment is without being limited thereto, example
Such as, the quantity of communication groove G12 can be multiple, and communication groove G12 can be symmetrical arranged, and asymmetric can also be arranged.
Fig. 6 is the cross-sectional view of the bearing part of the utility model embodiment 1.
In the present embodiment, as shown in Figure 3 and Figure 6, it is formed with bearing flank S12 between communication groove G12, supports flank
S12 includes the first bearing flank S121 between the first groove G1 and the second supporting rib between the second groove G2
Portion S122, the first bearing flank S121 and the second bearing flank S122 are connect by tilting flank S13.
As shown in Figure 3 and Figure 6, the chamfering that inclination flank S13 is formed as arcuation is also not necessarily limited to this certainly, that is to say, that
As long as inclination flank S13 is formed towards the axial end face opposite with the axial end face 1111 of output shaft 111 of bearing part 122
And the radially inner side inclination of the bearing part.As a result, by inclination flank S13, can reduce to bearing part 122 with
And the requirement of the design size of output shaft 111, reliably support the output shaft 111 of motor.
In the present embodiment, when bearing part 122 only has the first groove G1, as shown in figure 3, the first groove G1 can have
Having multiple, the first bearing flank S121 is formed between multiple first groove G1, the first bearing flank S121 is oblique,
That is the first bearing with the axial end face 1111 of output shaft 111 opposite axial end of the flank S121 towards bearing part 122
The inclination of the radially inner side of face and the bearing part, specifically, the first bearing flank S121 can be in curved arcuation.
As a result, by curved first bearing flank S121, can reduce to bearing part 122 and output shaft 111
The requirement of design size can form bigger heat-dissipating space.
Fig. 7 is the top view of the bearing part of the utility model embodiment 1.
In the present embodiment, as shown in Figure 3 and Figure 7, the bearing of the circumferential width D1 of the first groove G1 and first flank S121
Circumferential width D2 it is roughly equal.As a result, while heat dissipation and the loss of weight for being conducive to driving device 10, additionally it is possible to realize bearing
Stable support of the component 122 to the output shaft 111 of motor 11.
In the present embodiment, as shown in Figure 3 and Figure 7, the bearing of the circumferential width D3 of the second groove G2 and second flank S122
Circumferential width D4 similarly may be alternatively provided as it is roughly equal.Due to further can more realize bearing part 122 to motor 11
The stable support of output shaft 111.
In the present embodiment, bearing part 122 is made of resin material, and the first groove G1 can only be formed in bearing part
122 axial abutment surface 1221 can also be formed in the axial end face 1111 of output shaft 111.Molding can as a result, be more easier.
In the present embodiment, lubricating grease is filled between bearing part 122 and output shaft 111.First can be passed through as a result,
Groove G1 and/or the second groove G2 stores lubricating grease, and lubricating grease is not easy to overflow supporting part in the course of work of motor 11
Part 122, to improve the lubricant effect between bearing part 122 and the output shaft 111 of motor.
In the present embodiment, as shown in Figure 1, driving device 10 may also include other constituting portion in addition to above-mentioned component
The structure of part, other component parts of driving device 10 can refer to the prior art, and details are not described herein.
The structure of driving device through the invention passes through the axial end face 1111 and branch of the output shaft 111 in motor 11
Fluted G1 is formed between the axial abutment surface 1221 of bearing portion part 122, to increase dissipating between motor and gear case assembly
Heat space is conducive to heat dissipation；Also, since bearing part 122 and/or output shaft 111 form groove, driving dress is alleviated
Set 10 overall weight.
Embodiment 2
The utility model embodiment additionally provides a kind of electric product, which has driving described in embodiment 1
Device, since in embodiment 1, the structure of the driving device being described in detail, content is contained in this,
This is repeated no more.
In the present embodiment, which can be any electric product comprising driving device, such as can be vehicle
Product is carried, for example, vehicle dormer window adjusts system, seat adjustment system etc. can also be that household electrical appliances adjust system.Alternatively, above-mentioned horse
It is used up to the motor that can also be used as in various information equipments, industrial equipment etc..
According to the structure of the driving device in the electric product of the present embodiment, pass through the axis of the output shaft 111 in motor 11
Fluted G1 is formed between end face 1111 and the axial abutment surface 1221 of bearing part 122, to increase motor and gear
Heat-dissipating space between box assembly is conducive to heat dissipation；Also, since bearing part 122 and/or output shaft 111 form groove, because
This alleviates the overall weight of driving device 10.
Combine specific embodiment that the utility model is described above, but those skilled in the art should be clear
Chu, these descriptions are all exemplary, and are not the limitation to scope of protection of the utility model.Those skilled in the art can root
Various variants and modifications are made to the utility model according to the spirit and principle of the utility model, these variants and modifications are also in this reality
With in novel range.
Claims (10)
1. a kind of driving device being made of motor and gear case assembly, the motor has output shaft, the gear case assembly
Bearing part with gear-box and inside the gear-box, the gear-box, which has, accommodates gear and the output shaft
Accommodation space, the end of the output shaft is supported on the gear-box across the bearing part,
The bearing part has the axial abutment surface abutted in the axial direction with the axial end face of the output shaft,
It is characterized in that,
At least one party in the axial abutment surface of the axial end face of the output shaft and the bearing part has non-with another party
First groove of contact.
2. driving device according to claim 1, which is characterized in that
The bearing part also has the bearing part internal perisporium for the periphery wall for surrounding the output shaft in the circumferential,
The bearing part internal perisporium and with the periphery of the bearing part internal perisporium opposed output shaft radially
At least one party in wall has and non-contacting second groove of another party.
3. driving device according to claim 2, which is characterized in that
First groove is connected to second groove, constitutes communication groove.
4. driving device according to claim 3, which is characterized in that
The communication groove has multiple.
5. driving device according to claim 3 or 4, which is characterized in that
Bearing flank is formed between the communication groove,
It is described bearing flank include positioned at first groove between first bearing flank and positioned at second groove it
Between second bearing flank,
The first bearing flank is connect with the second bearing flank by tilting flank.
6. driving device according to claim 1, which is characterized in that
First groove have it is multiple,
The first bearing flank is formed between first groove, the first bearing flank is oblique.
7. driving device according to claim 6, which is characterized in that
First groove is equal with the first bearing circumferential width of flank.
8. driving device according to claim 1, which is characterized in that
The bearing part is made of resin material, and first groove is formed in the axial abutment surface of the bearing part.
9. driving device according to claim 1, which is characterized in that
Lubricating grease is filled between the bearing part and the output shaft.
10. a kind of electric product, which is characterized in that the electric product includes having described in any one of claim 1 to 9
Driving device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920372433.8U CN209462186U (en) | 2019-03-22 | 2019-03-22 | The driving device and electric product be made of motor and gear case assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920372433.8U CN209462186U (en) | 2019-03-22 | 2019-03-22 | The driving device and electric product be made of motor and gear case assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209462186U true CN209462186U (en) | 2019-10-01 |
Family
ID=68047378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920372433.8U Expired - Fee Related CN209462186U (en) | 2019-03-22 | 2019-03-22 | The driving device and electric product be made of motor and gear case assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209462186U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114069957A (en) * | 2020-08-07 | 2022-02-18 | 日本电产（大连）有限公司 | Drive device and electric apparatus |
-
2019
- 2019-03-22 CN CN201920372433.8U patent/CN209462186U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114069957A (en) * | 2020-08-07 | 2022-02-18 | 日本电产（大连）有限公司 | Drive device and electric apparatus |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |