CN208919301U - Gearbox shifting mechanism output bracket and gearbox - Google Patents
Gearbox shifting mechanism output bracket and gearbox Download PDFInfo
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- CN208919301U CN208919301U CN201821279822.8U CN201821279822U CN208919301U CN 208919301 U CN208919301 U CN 208919301U CN 201821279822 U CN201821279822 U CN 201821279822U CN 208919301 U CN208919301 U CN 208919301U
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- hole
- hole seat
- shifting mechanism
- shell
- wheel carrier
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Abstract
The utility model relates to automobile technical field more particularly to a kind of gearbox shifting mechanism output brackets and gearbox.It includes planetary wheel carrier, planetary wheel carrier includes rack body, the first hole seat that rack body is arranged in and the second hole seat being arranged in a one-to-one correspondence with the first hole seat, first hole seat is provided with the first hole, the second hole being correspondingly arranged with the first hole is provided in second hole seat, first hole and the second hole are coaxially disposed, and rack body, the first hole seat and the second hole seat are integrally formed setting.It is arranged since rack body, the first hole seat and the second hole seat are integrally formed, then rack body, the first hole seat and the second hole seat are that identical material is made, it is not in the problem of hole of same tool sharpening different materials causes tool damage rate to improve in machining process.The connection between each component of gearbox shifting mechanism output bracket in the utility model more fastens, and during the work time, each junction stress is smaller, and planetary gear is not susceptible to damage in the course of work.
Description
Technical field
The utility model relates to automobile technical field more particularly to a kind of gearbox shifting mechanism output bracket and speed changes
Case.
Background technique
Existing output bracket structure, the first hole and the second hole for installing planetary gear pin are separately positioned on different structure,
Wherein the first hole is arranged on rack body, and the second hole is then arranged on the shell, welds again after rack body and shell grafting.
Since rack body and shell are made from a different material, and the first hole and the second hole need to make in processing due to required precision
Smart car is carried out with same cutter, this kind of processing method will cause cutter life reduction and scrappage improves；And due to bracket
Body element thickness is big, and shell and rack body use different materials, and high power welding equipment is needed to weld the two, and
Cutting survey quality is also needed after welding, directly enhances manufacturing cost.
It is, therefore, desirable to provide a kind of gearbox shifting mechanism output bracket, is able to solve machining support master in the prior art
The problem that the cutter life of body is low, manufacturing cost is high.
Utility model content
The purpose of this utility model is that proposing a kind of gearbox shifting mechanism output bracket, machining support master can be improved
The cutter life of body, to reduce manufacturing cost.
For this purpose, the utility model uses following technical scheme:
A kind of gearbox shifting mechanism output bracket, including planetary wheel carrier be provided, the planetary wheel carrier include rack body,
The second hole seat that first hole seat of the rack body is set and is arranged in a one-to-one correspondence with first hole seat, first hole
Seat is provided with the first hole, is provided with the second hole being correspondingly arranged with the first hole in second hole seat, first hole with it is described
The coaxial arrangement of second hole, the rack body, the first hole seat and the second hole seat are integrally formed setting.
Preferably, the rack body includes bottom plate, the column frame upwardly extended along sidewall of the bottom plate and along column frame top
The outwardly extending connection ring of wall.
Preferably, further including shell, the shell is connect with the planetary wheel carrier, and the planetary wheel carrier is positioned at described
In the chamber that shell is formed.
Preferably, be provided with internal spline in the shell, be provided with external splines in the connection ring, the internal spline with
The external splines cooperation connect the shell with the planetary wheel carrier.
Preferably, the plate outer side wall is outward extended with second hole seat.
Preferably, the column frame side wall is described to being bent on the inside of the connection ring along the connection ring radial direction
First hole seat.
Preferably, being circumferentially provided with multiple grooves on the inner sidewall of the shell, the lateral wall of the connection ring is circumferential
Multiple protrusions are provided with, the protrusion is inserted into connecting the shell with the planetary wheel carrier in the groove.
Preferably, the groove and the protrusion are rectangular configuration.
Preferably, further including card rib, the card rib is set on the outer casing inner wall and abuts with the planetary wheel carrier.
The utility model provides a kind of gearbox, including gearbox shifting mechanism output bracket described above.
The utility model the utility model has the advantages that
The planetary wheel carrier provided in the utility model, since the integrated molding of rack body, the first hole seat and the second hole seat is set
It sets, then rack body, the first hole seat and the second hole seat are that identical material is made, in machining (especially boring fraising) process
In, it is not in the problem of hole of same tool sharpening different materials causes tool damage rate to improve, to effectively provide
Cutting-tool's used life.Compared with prior art, between each component of gearbox shifting mechanism provided in this embodiment output bracket
Connection more fasten, and during the work time, each junction stress is smaller, and planetary gear is not susceptible to damage in the course of work.
Gearbox shifting mechanism provided by the utility model output bracket, is capable of providing the service life of the gearbox, together
When the bracket shell connected with planetary wheel carrier by interior external splines, and fixed by card rib, needs when having saved Finish Machining Bore
Cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of gearbox shifting mechanism provided by the embodiment of the utility model output bracket；
Fig. 2 is a structural schematic diagram of rack body provided by the embodiment of the utility model；
Fig. 3 is the structural schematic diagram of the other direction of rack body provided by the embodiment of the utility model；
Fig. 4 is the structural schematic diagram of shell provided by the embodiment of the utility model.
In figure:
1, planetary wheel carrier；11, rack body；111, bottom plate；1111, internal splined hole；112, column frame；113, connection ring；
1131, external splines；12, the first hole seat；121, the first hole；13, the second hole seat；131, the second hole；2, shell；21, internal spline；3,
Card rib.
Specific embodiment
In order to enable those skilled in the art to better understand the technical solutions of the present invention, with reference to the accompanying drawing and pass through
Specific embodiment further illustrates the technical solution of the utility model.
A kind of gearbox shifting mechanism output bracket is provided in the present embodiment, the gearbox shifting mechanism output bracket energy
Enough improve the service life of machine tool.As shown in Figure 1-3, the gearbox shifting mechanism output bracket includes planetary wheel carrier 1,
Planetary wheel carrier 1 includes rack body 11, the first hole seat 12 that rack body 11 is arranged in and sets with the first hole seat 12 one-to-one correspondence
The second hole seat 13 set is provided with and first hole wherein being provided with the first hole 121 in the first hole seat 12 in second hole seat 13
121 the second holes 131 being correspondingly arranged, the first hole 121 and the second hole 131 are coaxially disposed, while the first hole 121 and the second hole 131
Diameter it is identical.Rack body 11, the first hole seat 12 and the second hole seat 13 are integrally formed setting.The row provided in the present embodiment
Star wheel frame 1 is an integral molding structure, and the planetary wheel carrier 1 is obtained by punching press and machining in the present embodiment.
The planetary wheel carrier 1 provided in the present embodiment, due to rack body 11, the first hole seat 12 and the one of the second hole seat 13 at
Type setting, i.e., rack body 11, the first hole seat 12 and the second hole seat 13 are that identical material is made, in machining (especially boring
Fraising) during, the problem of being not in the hole of same tool sharpening different materials and tool damage rate caused to improve, thus
Effectively extend cutting-tool's used life.Compared with prior art, gearbox shifting mechanism output branch provided in this embodiment
Connection between each component of frame more fastens, and during the work time, and each junction stress is smaller, planetary wheel carrier in the course of work
1 is not susceptible to damage.
Specifically, as Figure 2-3, above-mentioned rack body 11 includes bottom plate 111, column frame 112 and connection ring 113,
Middle column frame 112 is upwardly extended along 111 side wall of bottom plate, and connection ring 113 then extends outwardly along 112 roof of column frame.Bottom plate
111, column frame 112 and connection ring 113 are integrally formed setting.Extend outwardly in the present embodiment and refers to that connection ring 113 is located at column
The outside of frame 112, rather than inside, which connect with other component guarantees that kinetic energy can be passed to other by planet carrier
Component.It is provided with internal splined hole 1111 in its insole board 111 and planetary gear cooperates, so that the planet carrier planet wheels be enable to turn
It is dynamic.It should be noted that the internal splined hole 1111 is spline structure.113 inner sidewall of connection ring along 113 radial direction of connection ring to
Multiple above-mentioned first hole seats 12 are bent to form on the inside of connection ring 113.111 lateral wall of bottom plate is outward extended with multiple second hole seats
13。
It is understood that the first hole seat 12 and the second hole seat 13 are stamping forming plate-type flange, the first hole seat 12 is
By overturning acquisition again after 112 side wall of column frame laser cutting.It should be noted that the first hole 121 and the second hole 131 first pass through
Punching press or laser cutting obtain, and then carry out smart car again and improve hole precision.
The gearbox shifting mechanism output bracket further includes shell 2 in the present embodiment, as shown in figure 4, shell 2 and planet
Wheel carrier 1 connects, and planetary wheel carrier 1 is located in the chamber of the formation of shell 2.The connection type of shell 2 and planetary wheel carrier 1 is specifically to pass
Dynamic connection.Preferably, be provided with internal spline 21 in shell 2, be provided with external splines 1131 in connection ring 113, internal spline 21 with
The cooperation of external splines 1131 makes shell 2 and bracket be sequentially connected.
Certainly, in other embodiments, it can also be on the inner sidewall of above-mentioned shell 2 and be provided with multiple grooves (in figure not
Show), multiple grooves are circumferentially arranged on the inner sidewall of shell 2；Corresponding above-mentioned groove, it is circumferential in the lateral wall of connection ring 113
Multiple raised (not shown)s are provided with, protrusion is inserted into that shell 2 and bracket is made to be sequentially connected in groove.It needs to illustrate
It is that uniform force, multiple grooves are evenly distributed on the inside of shell 2 between protrusion and groove when in order to guarantee to be driven therebetween
On wall, and multiple protrusions are evenly distributed on the lateral wall of connection ring 113.Meanwhile above-mentioned groove and protrusion are rectangular configuration.
It in other embodiments can be arcuate structure or triangular structure.
Since planetary wheel carrier 1 is connect with shell 2 by spline, planetary wheel carrier 1 in the vertical direction can also be with shell
Relative movement is generated, to solve the above-mentioned problems, gearbox shifting mechanism output bracket further includes the (ginseng of card rib 3 in the present embodiment
Examine Fig. 1 and Fig. 4), card rib 3 is located in shell 2 and abuts with planetary wheel carrier 1, prevents planetary wheel carrier 1 from generating with shell 2 and glides
It is dynamic.
When the gearbox shifting mechanism output bracket manufacture, shell 2 and planetary wheel carrier 1 are manufactured respectively first and obtain finished product,
Then shell 2 and the installation of planetary wheel carrier 1 are fixed again, to obtain above-mentioned gearbox shifting mechanism output bracket finished product.
Casing blank during fabrication, is first carried out spinning by above-mentioned shell 2, then by turning, interior chamber, vehicle cut slot,
Rushing window and smart car inner cavity, totally five steps obtain finished product；
And planetary wheel carrier 1 is during fabrication, is first cut by laser blank material, the blank material after cutting by twice stretch after again into
Row laser cutting, wherein second of laser cutting mainly the first hole seat 12 of cutting and the second hole seat 13, after then fold cutting
Blank material top and bottom obtain bottom plate 111 and connection ring 113, then the first hole seat 12 of well cutting is turned down, it is whole later
Shape height simultaneously forms fillet size, then finishing, and fine external splines 1131, external splines 1131 complete the process again after the completion of finishing
Afterwards, first interior end face and outer end face bearing support surface, then boring hinge pin hole again；It finally carries out to 1111 garland key of internal splined hole
Obtain 1 finished product of planetary wheel carrier, it should be noted that after obtaining planetary gear finished product, impewdance matching can be carried out.
The gearbox shifting mechanism output bracket provided in the present embodiment, the gearbox shifting with offer in the prior art
Mechanism output bracket carries out the comparison of component test failure state, obtains following table:
A kind of gearbox is also provided in the present embodiment, which includes the gearbox shifting mechanism provided in the present embodiment
Output bracket.The gearbox uses above-mentioned bracket, is capable of providing the service life of the gearbox, while 2 He of shell of the bracket
Planetary wheel carrier 1 is radially connected by interior external splines 1131, and by 3 axial restraint of card rib, needs when having saved Finish Machining Bore
Cost.
Note that have been shown and described above the utility model basic principles and main features and the utility model it is excellent
Point.It should be understood by those skilled in the art that the utility model is not limited to the embodiments described above, above embodiment and say
Only illustrate the principles of the present invention described in bright book, on the premise of not departing from the spirit and scope of the utility model, this
Utility model will also have various changes and improvements, and these various changes and improvements fall within the scope of the claimed invention,
The claimed range of the utility model is defined by the appending claims and its equivalent thereof.
Claims (10)
1. a kind of gearbox shifting mechanism output bracket, which is characterized in that including planetary wheel carrier (1), planetary wheel carrier (1) packet
Include rack body (11), setting the first hole seat (12) of the rack body (11) and with first hole seat (12) one it is a pair of
The second hole seat (13) that should be arranged, first hole seat (12) are provided with the first hole (121), are arranged on second hole seat (13)
Have the second hole (131) being correspondingly arranged with the first hole (121), first hole (121) with second hole (131) is coaxial sets
It sets, the rack body (11), the first hole seat (12) and the second hole seat (13) are integrally formed setting.
2. gearbox shifting mechanism according to claim 1 output bracket, which is characterized in that rack body (11) packet
Include bottom plate (111), the column frame (112) upwardly extended along bottom plate (111) side wall and outwardly extending along column frame (112) roof
Connection ring (113).
3. gearbox shifting mechanism according to claim 2 output bracket, which is characterized in that it further include shell (2), it is described
Shell (2) is connect with the planetary wheel carrier (1), and the planetary wheel carrier (1) is located in the chamber of the shell (2) formation.
4. gearbox shifting mechanism according to claim 3 output bracket, which is characterized in that setting in the shell (2)
Have internal spline (21), is provided with external splines (1131) on the connection ring (113), the internal spline (21) and the external splines
(1131) cooperation connect the shell (2) with the planetary wheel carrier (1).
5. gearbox shifting mechanism according to claim 4 output bracket, which is characterized in that on the outside of the bottom plate (111)
Wall is outward extended with second hole seat (13).
6. gearbox shifting mechanism according to claim 5 output bracket, which is characterized in that column frame (112) side
Wall is bent with first hole seat (12) to the connection ring (113) inside along the connection ring (113) radial direction.
7. gearbox shifting mechanism according to claim 3 output bracket, which is characterized in that the inside of the shell (2)
Multiple grooves are circumferentially provided on wall, the lateral wall of the connection ring (113) is circumferentially provided with multiple protrusions, and the protrusion can
Insertion is connect with the shell (2) is made in the groove with the planetary wheel carrier (1).
8. gearbox shifting mechanism according to claim 7 output bracket, which is characterized in that the groove and the protrusion
It is rectangular configuration.
9. according to the described in any item gearbox shifting mechanism output brackets of claim 3-8, which is characterized in that further include card rib
(3), the card rib (3) is set on the shell (2) inner wall and abuts with the planetary wheel carrier (1).
10. a kind of gearbox, which is characterized in that including the described in any item gearbox shifting mechanism outputs of such as claim 1-9
Bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821279822.8U CN208919301U (en) | 2018-08-09 | 2018-08-09 | Gearbox shifting mechanism output bracket and gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821279822.8U CN208919301U (en) | 2018-08-09 | 2018-08-09 | Gearbox shifting mechanism output bracket and gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208919301U true CN208919301U (en) | 2019-05-31 |
Family
ID=66701614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821279822.8U Active CN208919301U (en) | 2018-08-09 | 2018-08-09 | Gearbox shifting mechanism output bracket and gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208919301U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825774A (en) * | 2018-08-09 | 2018-11-16 | 上海交运汽车动力系统有限公司 | Gearbox shifting mechanism output bracket and gearbox |
-
2018
- 2018-08-09 CN CN201821279822.8U patent/CN208919301U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825774A (en) * | 2018-08-09 | 2018-11-16 | 上海交运汽车动力系统有限公司 | Gearbox shifting mechanism output bracket and gearbox |
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