CN210819381U - Box closing tool for transmission - Google Patents
Box closing tool for transmission Download PDFInfo
- Publication number
- CN210819381U CN210819381U CN201921591834.9U CN201921591834U CN210819381U CN 210819381 U CN210819381 U CN 210819381U CN 201921591834 U CN201921591834 U CN 201921591834U CN 210819381 U CN210819381 U CN 210819381U
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- China
- Prior art keywords
- bearing
- transmission shaft
- gearbox
- transmission
- inner ring
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- Expired - Fee Related
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 abstract description 5
- 230000033001 locomotion Effects 0.000 description 6
- 230000002950 deficient Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model discloses a mould assembling frock for derailleur, the gearbox includes: gearbox casing and bearing, the outer lane setting of bearing is in on the gearbox casing, the mould assembling frock includes: at least part of the stopping part penetrates through the gearbox shell and stops against one end of the bearing inner ring; and the driving piece is connected with a transmission shaft of the gearbox so as to drive a shaft shoulder of the transmission shaft to be stopped against the other end of the bearing inner ring. According to the utility model discloses a mould assembling frock can avoid bearing inner race and bearing inner race to produce the axial dislocation at the mould assembling in-process, avoids the bearing to damage, has improved the yields of gearbox.
Description
Technical Field
The utility model belongs to the technical field of the frock and specifically relates to a mould assembling frock for derailleur is related to.
Background
In the related technology, when a shell of a transmission is combined, an outer ring of a bearing is fixed on the shell through a bearing pressing plate, an inner ring of the bearing needs to be sleeved on a transmission shaft, a certain interference magnitude exists between the inner ring and the transmission shaft, and when the shell is combined, acting force generated by the inner ring of the bearing and the transmission shaft causes dislocation between the inner ring of the bearing and the outer ring of the bearing, so that the bearing is damaged, and the yield is low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a mould assembling frock for derailleur, this mould assembling frock can avoid bearing inner race and bearing inner race to produce the axial dislocation at the mould assembling in-process, avoids the bearing to damage, has improved the yields of gearbox.
According to the utility model discloses a mould assembling frock for gearbox, the gearbox includes: gearbox casing and bearing, the outer lane setting of bearing is in on the gearbox casing, the mould assembling frock includes: at least part of the stopping part penetrates through the gearbox shell and stops against one end of the bearing inner ring; and the driving piece is connected with a transmission shaft of the gearbox so as to drive a shaft shoulder of the transmission shaft to be stopped against the other end of the bearing inner ring.
According to the utility model discloses a mould assembling frock for gearbox ends through ending the portion of supporting with the one end of bearing inner race to make the drive division when the drive bearing inner race moves towards the shaft shoulder of transmission shaft, avoid the bearing inner race to produce and move towards the transmission shaft outside, and to supporting the bearing inner race, can not produce the axial force between messenger's bearing inner race and the bearing inner race, avoid damaging at mould assembling in-process bearing, improved the quality of gearbox, reduced the defective rate of product.
According to the utility model discloses an embodiment, stop to the portion and include: the first abutting part is sleeved on the transmission shaft, and one end of the first abutting part abuts against the bearing inner ring; the second stopping part is formed at the other end of the first stopping part and extends outwards, and the second stopping part stops against the gearbox shell.
According to an embodiment of the invention, the driving member comprises: the clamping part is arranged on the transmission shaft and is fixed with the transmission shaft in the axial direction; the rotary sleeve is sleeved on the clamping portion and is in threaded fit with the clamping portion.
According to the utility model discloses an embodiment, the inboard of joint portion is provided with the edge the draw-in groove of the circumference extension of transmission shaft, be provided with on the transmission shaft with draw-in groove complex bellying.
According to the utility model discloses an embodiment, joint portion includes: and each sub-joint part is provided with a clamping groove extending along the circumferential direction of the transmission shaft.
According to an embodiment of the invention, the rotating sleeve is towards an end stop of the housing on the stop portion.
According to the utility model discloses an embodiment, rotatory sleeve deviates from the one end of casing is provided with the hexagonal column.
According to an embodiment of the present invention, the rotating sleeve and the stopping portion are integrally formed.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a mould assembling tool according to an embodiment of the invention;
fig. 2 is a cross-sectional view of the mould assembling tool according to the embodiment of the utility model.
Reference numerals:
the mold assembling tool 100 is provided with a mold assembling tool,
the stop portion 110 is formed on the bottom surface of the body,
a first stopping portion 111, a second stopping portion 112,
the driving member 120, the locking portion 121, the locking groove 121a, the rotating sleeve 122, and the hexagonal post 123.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
A mold assembling tool 100 for a transmission according to an embodiment of the present invention is described below with reference to fig. 1 to 2.
The gearbox comprises a gearbox shell and a bearing, an outer ring of the bearing is arranged on the gearbox shell, as shown in fig. 1 and fig. 2, the box closing tool 100 comprises a stopping part 110 and a driving part 120, at least part of the stopping part 110 penetrates through the gearbox shell and stops against one end of an inner ring of the bearing, and the driving part 120 is connected with a transmission shaft of the gearbox to drive a shaft shoulder of the transmission shaft to stop against one end of the inner ring of the bearing.
In the related technology, when a shell of a transmission is combined, an outer ring of a bearing is fixed on the shell through a bearing pressing plate, an inner ring of the bearing needs to be sleeved on a transmission shaft, a certain interference magnitude exists between the inner ring and the transmission shaft, and when the shell is combined, acting force generated by the inner ring of the bearing and the transmission shaft causes dislocation between the inner ring of the bearing and the outer ring of the bearing, so that the bearing is damaged, and the yield is low.
According to the utility model discloses a mould assembling frock 100 for derailleur, through setting up stopping portion 110, the one end that the at least part of stopping portion 110 passed the inner circle of gearbox casing and bearing is stopped, when the mould assembling, the inner circle and the transmission shaft interference fit of bearing to produce the first effort of drive bearing inner circle towards outside motion, and stop the inner circle of stopping portion 110 and bearing and stop, and apply the counter-force that equals opposite direction with first effort size to the inner circle of bearing, keep the bearing inner circle to remain stable for the casing.
The bearing outer ring is fixed on the shell, the bearing inner ring is abutted against the abutting part 110 and cannot move towards the outer side of the shell of the gearbox in the box closing process, so that the bearing inner ring and the bearing outer ring cannot move relatively in the axial direction, acting force between the bearing inner ring and the bearing outer ring is mainly provided by the abutting part 110, so that relative acting force between the bearing inner ring and the bearing outer ring is avoided, the bearing is prevented from being damaged, and the yield of the gearbox is improved.
The driving element 120 is connected to the transmission shaft of the transmission case to drive the shaft shoulder of the transmission shaft to stop against the other end of the bearing inner ring, and the driving element 120 can be used for driving the bearing inner ring to move on the transmission shaft, so that the bearing inner ring is sleeved on the transmission shaft.
Here, the inner end of the abutting portion 110 is an end facing the inside of the transmission case in the axial direction, and the outer end of the abutting portion 110 is an end facing the outside of the transmission case in the axial direction.
According to the utility model discloses a mould assembling frock 100 for gearbox ends through ending the portion 110 of supporting with the one end of bearing inner race to make the drive division when the shaft shoulder motion of drive bearing inner race orientation transmission shaft, avoid the bearing inner race to produce and move towards the transmission shaft outside, and to supporting bearing inner race, can not produce the axial force between messenger's bearing inner race and the bearing outer lane, avoid damaging at the mould assembling in-process bearing, improved the frock quality to the gearbox, reduced the defective rate of product.
According to an embodiment of the present invention, the stopping portion 110 includes a first stopping portion 111 and a second stopping portion 112, the first stopping portion 111 is sleeved on the transmission shaft, one end of the first stopping portion 111 stops against the bearing inner ring, the second stopping portion 112 is formed at the other end of the first stopping portion 111 and extends outwards, and the second stopping portion 112 stops against the transmission case.
The first abutting portion 111 may be configured as a cylindrical structure, an inner end of the first abutting portion 111 abuts against an inner ring of the bearing to ensure uniform stress of the inner ring of the bearing, the second abutting portion 112 is disposed at an axial outer end of the first abutting portion 111, the second abutting portion 112 may be configured as an annular shape, the axial outer end of the first abutting portion 111 extends radially outward, and the second abutting portion 112 may abut against the transmission housing. After the second stopping portion 112 stops against the transmission housing, the stopping portion 110 cannot move relative to the transmission housing and limits the movement of the inner ring of the bearing, when the transmission housing is assembled, the inner ring of the bearing cannot move relative to the housing, the outer ring of the bearing is fixed on the transmission housing, and the relative movement of the inner ring of the bearing and the outer ring of the bearing can be avoided through the setting of the stopping portion 110.
According to an embodiment of the present invention, the driving member 120 includes a clamping portion 121 and a rotating sleeve 122, the clamping portion 121 is disposed on the transmission shaft, and the clamping portion 121 and the transmission shaft are axially fixed; the rotating sleeve 122 is sleeved on the clamping portion 121 and is in threaded fit with the clamping portion 121.
When the gearbox is closed, the gearbox shell and the bearing inner ring are pre-installed on the transmission shaft, no acting force is generated between the bearing inner ring and the transmission shaft at the moment, the clamping portion 121 is fixed with the transmission shaft, the sleeve is sleeved on the clamping portion 121, one end of the sleeve is tightly pressed on the gearbox shell, the rotating sleeve 122 and the clamping portion 121 rotate relatively by rotating the rotating sleeve 122, axial displacement is generated between the rotating sleeve 122 and the transmission shaft, the gearbox shell is driven to move axially, meanwhile, the bearing inner ring is driven to move axially, so that the bearing inner ring is sleeved on the transmission shaft, and the bearing inner ring is matched with the transmission shaft.
Through the setting of rotatory sleeve 122 and joint portion 121, improved efficiency and the stability of derailleur mould assembling.
According to the utility model discloses an embodiment, the inboard of joint portion 121 is provided with along the axially extended draw-in groove 121a of transmission shaft, be provided with on the transmission shaft with draw-in groove 121a complex bellying, when joining portion 121 and transmission shaft cooperation, the bellying can inlay and establish and make joint portion 121 and joint portion 121 relatively fixed in draw-in groove 121a, and the setting of bellying and draw-in groove 121a makes joint portion 121 more reliable convenient with the cooperation of transmission shaft.
According to the utility model discloses an embodiment, joint portion 121 includes a plurality of sub-joint portions, all is provided with the draw-in groove 121a along the axial extension of transmission shaft on every sub-joint portion, and a plurality of sub-joint portions can arrange in the circumference of transmission shaft, and are fixed with the transmission shaft respectively through with a plurality of sub-joint portions, make joint portion 121 more convenient with the cooperation of transmission shaft, and rotatory sleeve 122 simultaneously with a plurality of sub-joint portion screw-thread fit.
According to the utility model discloses an embodiment, rotating sleeve 122 ends to the one end of casing on stopping portion 110, rotating sleeve 122 when producing relative motion with the transmission shaft, and the produced axial force of rotating sleeve 122 transmits to bearing inner race and gearbox housing through stopping to ensure bearing inner race and bearing outer lane synchronous motion, avoid producing the axial force between bearing inner race and the bearing outer lane.
According to the utility model discloses an embodiment, the one end that rotatory sleeve 122 deviates from the casing is provided with hexagonal column 123, and hexagonal column 123 is suitable for with the cooperation of air wrench, the workman can rotate through air wrench drive rotatory sleeve 122 to drive bearing inner circle and transmission shaft interference fit make the use of mould assembling frock 100 more convenient, and frock efficiency is higher.
According to the utility model discloses an embodiment, rotatory sleeve 122 can be constructed as integrated into one piece with stopping portion 110, constructs rotatory sleeve 122 and stopping portion 110 as integrated into one piece and can improve the structural strength of rotatory sleeve 122 with stopping portion 110, and the produced axial force of rotatory sleeve 122 can transmit the inner circle of bearing and the outer lane of bearing simultaneously more steadily, avoids the bearing to damage.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.
In the description of the present invention, "a plurality" means two or more.
In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.
In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. A mold closing tool for a transmission, the transmission comprising: gearbox casing and bearing, the outer lane setting of bearing is in on the gearbox casing, its characterized in that, the mould assembling frock includes:
at least part of the stopping part penetrates through the gearbox shell and stops against one end of the inner ring of the bearing;
and the driving piece is connected with a transmission shaft of the gearbox so as to drive a shaft shoulder of the transmission shaft to be stopped against the other end of the bearing inner ring.
2. The mold assembling tool for the transmission according to claim 1, wherein the stopping portion comprises:
the first abutting part is sleeved on the transmission shaft, and one end of the first abutting part abuts against the bearing inner ring;
the second stopping part is formed at the other end of the first stopping part and extends outwards, and the second stopping part stops against the gearbox shell.
3. The box assembling tool for the transmission according to claim 1, wherein the driving member comprises:
the clamping part is arranged on the transmission shaft and is fixed with the transmission shaft in the axial direction;
the rotary sleeve is sleeved on the clamping portion and is in threaded fit with the clamping portion.
4. The mold assembling tool for the transmission according to claim 3, wherein a clamping groove extending along the circumferential direction of the transmission shaft is formed in the inner side of the clamping portion, and a protruding portion matched with the clamping groove is formed in the transmission shaft.
5. The mold assembling tool for the transmission according to claim 3, wherein the clamping portion comprises: and each sub-joint part is provided with a clamping groove extending along the circumferential direction of the transmission shaft.
6. The box assembling tool for the transmission according to claim 3, wherein one end, facing the shell, of the rotating sleeve abuts against the abutting portion.
7. The box assembling tool for the transmission according to claim 3, wherein one end, away from the shell, of the rotating sleeve is provided with a hexagonal column.
8. The box assembling tool for the transmission according to claim 3, wherein the rotating sleeve and the stopping portion are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921591834.9U CN210819381U (en) | 2019-09-24 | 2019-09-24 | Box closing tool for transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921591834.9U CN210819381U (en) | 2019-09-24 | 2019-09-24 | Box closing tool for transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210819381U true CN210819381U (en) | 2020-06-23 |
Family
ID=71272954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921591834.9U Expired - Fee Related CN210819381U (en) | 2019-09-24 | 2019-09-24 | Box closing tool for transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210819381U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111623017A (en) * | 2020-06-30 | 2020-09-04 | 格特拉克（江西）传动***有限公司 | Gearbox pressing and closing device |
| CN115091167A (en) * | 2022-07-12 | 2022-09-23 | 一汽解放汽车有限公司 | Bearing installation device and gearbox production device |
-
2019
- 2019-09-24 CN CN201921591834.9U patent/CN210819381U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111623017A (en) * | 2020-06-30 | 2020-09-04 | 格特拉克（江西）传动***有限公司 | Gearbox pressing and closing device |
| CN115091167A (en) * | 2022-07-12 | 2022-09-23 | 一汽解放汽车有限公司 | Bearing installation device and gearbox production device |
| CN115091167B (en) * | 2022-07-12 | 2024-03-19 | 一汽解放汽车有限公司 | Bearing mounting device and gearbox production device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200623 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |