CN209016865U - A kind of driving motor hollow rotating shaft combination - Google Patents
A kind of driving motor hollow rotating shaft combination Download PDFInfo
- Publication number
- CN209016865U CN209016865U CN201821705880.2U CN201821705880U CN209016865U CN 209016865 U CN209016865 U CN 209016865U CN 201821705880 U CN201821705880 U CN 201821705880U CN 209016865 U CN209016865 U CN 209016865U
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- China
- Prior art keywords
- hollow part
- hollow
- rotating shaft
- blanking cover
- shaft portion
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- 239000002184 metal Substances 0.000 claims abstract description 46
- 229910052751 metal Inorganic materials 0.000 claims abstract description 46
- 238000007789 sealing Methods 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 238000003754 machining Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 239000007769 metal material Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000004519 grease Substances 0.000 description 4
- 230000001050 lubricating effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model provides a kind of driving motor hollow rotating shaft combination, it includes subtractive input shaft, first sealing ring, hollow rotating shaft, metal blanking cover and the second sealing ring, hollow rotating shaft includes the first hollow part, second hollow part and third hollow part, second hollow part is between the first hollow part and third hollow part, subtractive input shaft includes the first shaft portion in the first hollow part and the second shaft portion in the second hollow part, it is connected between the second shaft portion and the second hollow part by spline pair, first sealing ring is sheathed on outside first shaft portion, the first seal combination is collectively formed with first shaft portion and the first hollow part, metal blanking cover is located in third hollow part, second sealing ring is sheathed on outside metal blanking cover, the second seal combination is collectively formed with metal blanking cover and third hollow part.The utility model uses rotary shaft through hole structure, and metal blanking cover uses metal material, is not easy corrosion and damage；Spline is using tooth technique is drawn, and high in machining efficiency, thermal effectiveness is good.
Description
Technical field
The utility model relates to automotive fields more particularly to a kind of driving motor hollow rotating shaft to combine.
Background technique
It is increasingly depleted and greenhouse effects continuous worsening with petroleum resources, develop new-energy automobile have become it is more next
More urgent demand.Relative to conventional fuel oil car, electric car has simple energy conservation and environmental protection, structure, easy maintenance, improves power grid
The advantages that load.
With the development of electric vehicle engineering, the revolving speed of driving motor is higher and higher, and operation stability requires increasingly
It is high.As the critical component of electric car, the reliability of driving motor directly affects the safe operation of complete machine.With motor speed
Continuous improvement, the sealing performance of shaft also increases accordingly, and still, rubber blanking cover exists and is easier to grind in current hollow rotating shaft
Damage, is easy the problem of loosening, therefore the sealing structure for developing a kind of high reliability is imperative at high speed.Simultaneously with electricity
Electrical automobile production capacity is promoted, and the production efficiency of motor influences vehicle beat, and current shaft processing method efficiency is lower, using efficient
The shaft processing method of rate is significant.
Utility model content
In view of this, the present invention provides a kind of driving motor hollow rotating shaft combinations compared with high sealing reliability.
Driving motor hollow rotating shaft provided by the utility model combination comprising subtractive input shaft, the first sealing ring, hollow
Shaft, metal blanking cover and the second sealing ring, the hollow rotating shaft include that the first hollow part, the second hollow part and third are hollow
Portion, for second hollow part between first hollow part and the third hollow part, the subtractive input shaft includes position
In the first shaft portion in first hollow part and the second shaft portion in second hollow part, the second shaft portion and institute
It states and is connected between the second hollow part by spline pair, first sealing ring is sheathed on outside the first shaft portion, with described first
The first seal combination is collectively formed in axle portion and first hollow part, and the metal blanking cover is located in the third hollow part, institute
It states the second sealing ring to be sheathed on outside the metal blanking cover, it is close to be collectively formed second with the metal blanking cover and the third hollow part
Envelope combination.
Further, the first seal groove, first sealing are provided on the first shaft portion of the subtractive input shaft
Snare is interference fitted in first seal groove, and with first hollow part.
Further, it is provided on the second shaft portion of the subtractive input shaft using the external splines for drawing tooth technique, institute
Second hollow part for stating hollow rotating shaft is equipped with using the internal spline for drawing tooth technique, and the internal spline and the external splines are constituted
The spline pair.
Further, the first shaft portion is connected as one with the second shaft portion, and the diameter of the first shaft portion is big
In the diameter of the second shaft portion.
Further, the diameter of first hollow part and the third hollow part is all larger than the straight of second hollow part
Diameter.
Further, the hollow rotating shaft further includes the 4th hollow part, and the third hollow part is hollow in described second
Between portion and the 4th hollow part, the diameter of the 4th hollow part is greater than the diameter of the third hollow part.
Further, the second seal groove is provided on the metal blanking cover, the second sealing snare is close described second
In sealing groove, it is interference fitted with the third hollow part.
Further, the third hollow part and the metal blanking cover are interference fitted.
Further, the metal blanking cover is equipped with for the threaded hole with the cooperation of the installation tool of the metal blanking cover,
The metal blanking cover is arranged in close to the side of the 4th hollow part in the threaded hole.
Further, the threaded hole is along the axially extending of the metal blanking cover, and the axis of the threaded hole with it is described
The axis of metal blanking cover is overlapped.
In conclusion the utility model has technical effect beneficial below:
The utility model forms two seal combinations in the two sides of spline pair, can effectively prevent the lubricating grease of spline pair two sides
It leaks；Blanking cover on the right side of spline pair uses metal material, is not easy corrosion and damage and loosens, increases the reliability of sealing structure；
Spline is using tooth technique is drawn, and high in machining efficiency, thermal effectiveness is good.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and being implemented in accordance with the contents of the specification, and in order to allow the above and other purpose, feature of the utility model
It can be more clearly understood with advantage, it is special below to lift preferred embodiment, and cooperate attached drawing, detailed description are as follows.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of driving motor hollow rotating shaft combination provided by the utility model；
Fig. 2 is the structural schematic diagram of subtractive input shaft in Fig. 1；
Fig. 3 is the structural schematic diagram of hollow rotating shaft in Fig. 1；
Fig. 4 is the structural schematic diagram of metal blanking cover in Fig. 1.
Specific embodiment
Further to illustrate that the utility model is the technical means and efficacy reaching predetermined purpose of utility model and being taken,
Below in conjunction with attached drawing and preferred embodiment, to the utility model, detailed description are as follows.
As shown in Figure 1, the driving motor hollow rotating shaft of the utility model combines, including subtractive input shaft 1, the first sealing ring
2, hollow rotating shaft 3, metal blanking cover 4 and the second sealing ring 5.Subtractive input shaft 1 includes the first axle in the first hollow part 8
Portion 14 and the second shaft portion 15 in the second hollow part 9 are connected between the second shaft portion 15 and the second hollow part 9 by spline pair
It connects, the first sealing ring 2 is sheathed on outside first shaft portion 14, and the first sealing group is collectively formed with first shaft portion 14 and the first hollow part 8
It closes, metal blanking cover 4 is located in third hollow part 10, and the second sealing ring 5 is sheathed on outside metal blanking cover 4, with metal blanking cover 4 and the
The second seal combination is collectively formed in three hollow parts 10, in this way, can be effectively prevent by the way that seal combination is arranged in the two sides of spline pair
The lubricating grease of spline pair junction is toward external leakage.
Further referring to Fig. 2, subtractive input shaft 1 includes the first shaft portion 14 and the second shaft portion 15 being linked together.First
The diameter of axle portion 14 is greater than the diameter of the second shaft portion 15, and the first seal groove 6 is equipped on first shaft portion 14, the first sealing ring 2
It covers in the first seal groove 6.It is provided on the second shaft portion 15 using several external splines 7 for drawing tooth technique.
Further referring to Fig. 3, hollow rotating shaft 3 includes the first hollow part 8, the second hollow part 9, third hollow part 10 and the
Four hollow parts 11, the first hollow part 8, the second hollow part 9, third hollow part 10 and the 4th hollow part 11 from left to right successively connect
It connects, for the second hollow part 9 between the first hollow part 8 and third hollow part 10, third hollow part 10 is located at 9 He of the second hollow part
Between 4th hollow part 11.The diameter of first hollow part 8 and third hollow part 10 is all larger than the diameter of the second hollow part 9, and the 4th
The diameter of hollow part 11 is slightly larger than the diameter of third hollow part 10.
The second shaft portion 15 of subtractive input shaft 1 is located in the second hollow part 9, and the second hollow part 9 is equipped with using drawing tooth technique
Several internal splines, the external splines 7 of the internal spline and subtractive input shaft 1 cooperatively forms spline pair, to realize subtractive input shaft
Torque transmitting between 1 and hollow rotating shaft 3.
The first shaft portion 14 of subtractive input shaft 1 is located in the first hollow part 8, and first be arranged outside first shaft portion 14 is close
Seal 2 and the first hollow part 8 are interference fitted, in this way, making the first hollow part 8, first shaft portion 14 and the first sealing ring 2 in spline pair
Left side formed the first seal combination, can prevent the lubricating grease on the left of spline pair from leaking.
Metal blanking cover 4 is located in third hollow part 10, is interference fitted with the first hollow part 10, and the second sealing ring 5 is sheathed on
Outside metal blanking cover 4, also it is interference fitted with third hollow part 10.Metal blanking cover 4, the second sealing ring 5 and third hollow part 10 are common
The second seal combination is formed, can prevent the lubricating grease on the right side of spline pair from leaking.
Referring to Figure 4 together, metal blanking cover 4 is provided with the second seal groove 13 and for the installation tool with metal blanking cover 4
The threaded hole 12 of cooperation, the second 5 sets of sealing ring is in the second seal groove 13, and the setting of threaded hole 12 is in metal blanking cover slot 4 close to the
The side of three hollow parts 10.Threaded hole 12 is axially extending along metal blanking cover 4, and the axis of threaded hole 12 and metal blanking cover 4
Axis is overlapped, in this way, guaranteeing that metal blanking cover 4 and third are hollow using the installation tool positioning metal blanking cover 4 of metal blanking cover 4
The concentricity in portion 10 reduces the installation difficulty of metal blanking cover 4.
In conclusion advantageous effects provided by the utility model:
1, the blanking cover in the utility model rotating shaft sealing structure uses metal material, is not easy corrosion and damage；
2, spline is using tooth technique is drawn, and high in machining efficiency, thermal effectiveness is good；
3, metal blanking cover is equipped with threaded hole, convenient for assembly.
4, hollow rotating shaft and metal blanking cover are using interference fit connection type, and connection reliability is high, and sealing effect is good；
5, the diameter of the 4th hollow part is slightly larger than the diameter of third hollow part, can reduce metal blanking cover and hollow rotating shaft cooperates
The machining area in face reduces material and processing cost.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation be not intended to limit the utility model although the utility model has been disclosed with preferred embodiment as above, it is any ripe
Professional and technical personnel is known, is not being departed within the scope of technical solutions of the utility model, when in the technology using the disclosure above
Hold the equivalent embodiment made a little change or be modified to equivalent variations, but all without departing from technical solutions of the utility model
Hold, any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention, still
It is within the scope of the technical solutions of the present invention.
Claims (10)
1. a kind of combination of driving motor hollow rotating shaft, it is characterised in that: it include subtractive input shaft (1), the first sealing ring (2),
Hollow rotating shaft (3), metal blanking cover (4) and the second sealing ring (5), the hollow rotating shaft (3) include the first hollow part (8), the
Two hollow parts (9) and third hollow part (10), second hollow part (9) are located at first hollow part (8) and the third
Between hollow part (10), the subtractive input shaft (1) includes first shaft portion (14) and position in first hollow part (8)
The second shaft portion (15) in second hollow part (9) leads between the second shaft portion (15) and second hollow part (9)
Spline pair connection is crossed, first sealing ring (2) is sheathed on the first shaft portion (14) outside, with the first shaft portion (14) and institute
It states the first hollow part (8) and the first seal combination is collectively formed, the metal blanking cover (4) is located in the third hollow part (10),
Second sealing ring (5) is sheathed on the metal blanking cover (4) outside, with the metal blanking cover (4) and the third hollow part
(10) the second seal combination is collectively formed.
2. driving motor hollow rotating shaft combination according to claim 1, it is characterised in that: the subtractive input shaft (1)
It is provided with the first seal groove (6) on the first shaft portion (14), first sealing ring (2) covers in first seal groove (6)
It is interior, and be interference fitted with first hollow part (8).
3. driving motor hollow rotating shaft combination according to claim 1, it is characterised in that: the subtractive input shaft (1)
It is provided on the second shaft portion (15) using the external splines (7) for drawing tooth technique, described the second of the hollow rotating shaft (3) is hollow
Portion (9) is equipped with using the internal spline for drawing tooth technique, and the internal spline and the external splines (7) constitute the spline pair.
4. driving motor hollow rotating shaft combination according to claim 1, it is characterised in that: the first shaft portion (14) and institute
It states the second shaft portion (15) to be connected as one, the diameter of the first shaft portion (14) is greater than the diameter of the second shaft portion (15).
5. driving motor hollow rotating shaft according to claim 1 combination, it is characterised in that: first hollow part (8) and
The diameter of the third hollow part (10) is all larger than the diameter of second hollow part (9).
6. driving motor hollow rotating shaft combines according to claim 1 or 5, it is characterised in that: the hollow rotating shaft (3) is also
Including the 4th hollow part (11), the third hollow part (10) is located at second hollow part (9) and the 4th hollow part
(11) between, the diameter of the 4th hollow part (11) is greater than the diameter of the third hollow part (10).
7. driving motor hollow rotating shaft combination according to claim 1, it is characterised in that: set on the metal blanking cover (4)
It is equipped with the second seal groove (13), second sealing ring (5) covers in second seal groove (13), with the third hollow part
(10) it is interference fitted.
8. driving motor hollow rotating shaft according to claim 1 combination, it is characterised in that: the third hollow part (10) with
Metal blanking cover (4) interference fit.
9. driving motor hollow rotating shaft combination according to claim 6, it is characterised in that: set on the metal blanking cover (4)
Have for the threaded hole (12) with the cooperation of the installation tool of the metal blanking cover (4), the threaded hole (12) is arranged in the gold
Belong to blanking cover (4) close to the side of the 4th hollow part (11).
10. driving motor hollow rotating shaft combination according to claim 9, it is characterised in that: the threaded hole (12) is along institute
The axially extending of metal blanking cover (4) is stated, and the axis of the threaded hole (12) is overlapped with the axis of the metal blanking cover (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821705880.2U CN209016865U (en) | 2018-10-19 | 2018-10-19 | A kind of driving motor hollow rotating shaft combination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821705880.2U CN209016865U (en) | 2018-10-19 | 2018-10-19 | A kind of driving motor hollow rotating shaft combination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209016865U true CN209016865U (en) | 2019-06-21 |
Family
ID=66839297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821705880.2U Active CN209016865U (en) | 2018-10-19 | 2018-10-19 | A kind of driving motor hollow rotating shaft combination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209016865U (en) |
-
2018
- 2018-10-19 CN CN201821705880.2U patent/CN209016865U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211229 Address after: 511400 No.36 Longying Road, Shilou Town, Panyu District, Guangzhou City, Guangdong Province Patentee after: GAC AION New Energy Vehicle Co.,Ltd. Address before: 510000 23 building, Cheng Yue mansion 448-458, Dongfeng Middle Road, Yuexiu District, Guangzhou, Guangdong. Patentee before: GUANGZHOU AUTOMOBILE GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right |