CN211525513U - Gear shifting mechanism with positioning structure for gear shifting hub - Google Patents
Gear shifting mechanism with positioning structure for gear shifting hub Download PDFInfo
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- CN211525513U CN211525513U CN201922346837.2U CN201922346837U CN211525513U CN 211525513 U CN211525513 U CN 211525513U CN 201922346837 U CN201922346837 U CN 201922346837U CN 211525513 U CN211525513 U CN 211525513U
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- shift
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- 230000007246 mechanism Effects 0.000 title claims abstract description 17
- 229910000639 Spring steel Inorganic materials 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 230000006978 adaptation Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a gear shift hub is from gear shift mechanism of taking location structure relates to a gear shift mechanism, including shift fork (1), gear shift hub (6) and spacing subassembly, be equipped with spacing subassembly on the cylinder of gear shift hub (6), be equipped with the spacing groove with spacing subassembly looks adaptation on shift fork (1) and gear shift hub (6) the erection column (9) that is connected, spacing subassembly include blind hole (5) and spring steel ball structure; the utility model discloses a set up the limit structure from taking the location in the cylinder of gear shift hub, realize the shift fork from locating spacingly and accurate target in place with the spacing groove cooperation on the shift fork erection column for entire system is more reliable safety, increases driving safety nature and travelling comfort.
Description
Technical Field
The utility model mainly relates to the technical field of gear shifting mechanisms, in particular to a gear shifting hub is from gear shifting mechanism of taking location structure.
Background
The shifting fork device in the gear shifting mechanism of the automobile is an important part of the automobile, receives signals transmitted by a gear shifting handle to control a gear box to operate in a corresponding gear, so that the performance of the shifting fork device is reliable and stable, the automobile can change speed well and stably run, the gear position of the existing gear shifting mechanism is controlled by electronics, a limit device is not arranged on the structure, the position is completely driven and controlled by a servo motor, the shifting fork is easy to be out of place or not high in place precision, in place vibration and the like, the service life of a gear ring is influenced, abnormal sound is caused, and the NVH performance is influenced; and even dangerous hazards may occur.
Disclosure of Invention
The utility model discloses an overcome not enough among the background art and provide a gear shift hub from gear shift mechanism of taking location structure, through set up the limit structure from taking the location in the cylinder of gear shift hub, realize the shift fork from locating spacingly and accurately target in place with the cooperation of shift fork spacing groove for entire system is more reliable safety, increases driving safety and travelling comfort.
In order to achieve the above object, the utility model provides a following technical scheme:
a gear shifting mechanism with a positioning structure of a gear shifting hub comprises a shifting fork, the gear shifting hub and a limiting assembly, wherein the limiting assembly is arranged on the cylindrical surface of the gear shifting hub, a limiting groove matched with the limiting assembly is formed in a mounting column, connected with the shifting fork and the gear shifting hub, the limiting assembly comprises a blind hole and a spring steel ball structure, a plurality of blind holes are formed in the cylindrical surface of the gear shifting hub, the spring steel ball structure is mounted in the blind holes, and the spring steel ball structure comprises a spring, a steel ball and a hollow bolt; the limiting groove is an arc-shaped groove arranged on the outer end face of the mounting column, which is connected with the shifting fork and the gear shifting hub, and a spherical groove is arranged in the middle of the arc-shaped groove.
The gear shifting hub is provided with a gear shifting mechanism with a positioning structure, a plurality of blind holes which are accurately corresponding to the gear shifting stop position are formed in the cylindrical surface of the gear shifting hub, and the blind holes are formed in the positions, with different heights, of the cylindrical surface of the gear shifting hub.
The gear shifting hub is provided with a gear shifting mechanism with a positioning structure, and the number of the blind holes is 1, 2 or 3.
The gear shifting hub is provided with a gear shifting mechanism with a positioning structure, and the spherical groove is matched with the steel ball.
The gear shifting hub is provided with a gear shifting mechanism with a positioning structure, internal threads are arranged on the inner surface of the blind hole, external threads are arranged on the outer surface of the hollow bolt, and the hollow bolt is in threaded connection with the blind hole.
The gear shifting hub is provided with a gear shifting mechanism with a positioning structure, the hollow bolt is internally composed of a cylindrical section and a spherical section, a spring is placed on the cylindrical section, a steel ball is placed on the spherical section, and the steel ball is attached to the spherical section to realize axial positioning.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a shift fork is from taking location structure's gearshift, through set up spacing subassembly in the hub cylinder of shifting, set up the spacing groove with spacing subassembly matched with on the shift fork, spacing subassembly adopts the spring steel ball structure that has the automatic function of falling to position, when the shift fork moves to setting for the gear position along shift hub shape line, the steel ball receives spring force effect card in the spherical recess on shift fork erection column outer terminal surface, realize the automatic falling of spacing subassembly, and then drive the shift fork from locating spacing, reach the accurate effect that targets in place of shift fork, eliminate the traditional potential safety hazards such as the precision that can not exist or target in place precision is not high, target in place vibration of shifting fork, reduce the requirement to control accuracy, make whole system more reliable safety, increase driving safety and travelling comfort; the utility model has the advantages of easy control, high precision and good stability.
Drawings
Fig. 1 is an exploded view of the present invention;
FIG. 2 is a schematic view of the structure of the shifting fork limiting groove of the present invention;
fig. 3 is a schematic view of the cross-sectional structure of the hollow bolt of the present invention.
In the figure: 1-shifting fork, 2-hollow bolt, 3-steel ball, 4-spring, 5-blind hole, 6-gear shifting hub, 7-spherical groove, 8-arc groove, 9-mounting column, 10-cylindrical section and 11-spherical section.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In the embodiment, referring to fig. 1-3, a gear shift mechanism with a positioning structure of a gear shift hub comprises a shifting fork 1, a gear shift hub 6 and a limiting assembly, wherein the cylindrical surface of the gear shift hub 6 is provided with the limiting assembly, a mounting column 9, connected with the shifting fork 1 and the gear shift hub 6, is provided with a limiting groove matched with the limiting assembly, the limiting assembly comprises a blind hole 5 and a spring steel ball structure, the cylindrical surface of the gear shift hub 6 is provided with a plurality of blind holes 5, the blind holes 5 are internally provided with the spring steel ball structure, and the spring steel ball structure comprises a spring 4, a steel ball 3 and a hollow bolt 2; the limiting groove is characterized in that an arc-shaped groove 8 is formed in the outer end face of an installation column 9, connected with a gear shifting hub 6, of a shifting fork 1, the arc-shaped groove 8 is oval, a spherical groove 7 is formed in the middle of the arc-shaped groove 8, the spherical groove 7 is matched with a steel ball 3, and the steel ball 9 falls into the limiting groove.
In the embodiment, please refer to fig. 1-2, a plurality of blind holes 5 are formed on the cylindrical surface of a shift hub 6, the blind holes 5 are formed at different heights on the cylindrical surface of the shift hub 6, the number of the blind holes 5 is 1, 2 or 3, a plurality of blind holes 5 corresponding to each gear can be formed on the cylindrical surface of the shift hub 6 according to the requirement of the actual gear number, when 2 or 3 blind holes 5 are formed, the height of the shift hub 6 can be properly increased to meet the requirement, and each gear is determined by differentiating each blind hole 5 on the cylindrical surface of the shift hub 6 according to the height
In an embodiment, referring to fig. 1-2, an internal thread is disposed on an inner surface of the blind hole 5, an external thread is disposed on an outer surface of the hollow bolt 2, and the hollow bolt 2 is in threaded connection with the blind hole 5.
In the embodiment, referring to fig. 1 and 3, the hollow bolt 2 is internally composed of a cylindrical section 10 and a spherical section 11, the spring 4 is placed at the cylindrical section 10, the steel ball 3 is placed at the spherical section 11, and the steel ball 3 is attached to the spherical section 11 to realize the axial positioning of the steel ball 3.
The working principle is as follows: the steel ball 3 is higher than the cylindrical surface of the gear shift hub 6 by a certain distance in a normal state, an arc-shaped groove 8 and a spherical groove 7 which are arranged on the outer end surface of a mounting column 9 connected with the gear shift hub 6 and are matched with the position of a limiting component-shaped linear motion pair of the gear shift hub 6, when the gear shift hub 6 rotates to drive the shifting fork 1-shaped line to move to the position of the steel ball 3 on the cylindrical surface of the gear shift hub 6, the steel ball 3 is compressed under the action of pressure, and continues to advance along the stroke of the elliptical arc-shaped groove 8 on the outer end surface of the mounting column 9 to reach the position where the gear ring is just engaged, when shift fork 1 moved to setting for the gear position along the 6 line that appear of shift hub, 6 stall of shift hub, in the spherical groove 7 on the outer terminal surface of erection column 9 was gone into to steel ball 3 under the effect of spring 4, realized spacing subassembly's automatic position that falls, and then obtained shift fork 1 from the location spacing, reached the accurate effect that targets in place of shift fork 1.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents, and thus the embodiments of the invention are intended only as illustrative examples of the invention and no limitation of the invention is intended whatsoever to be construed by the embodiments of the invention.
Claims (6)
1. The utility model provides a gear shift hub is from gear shift mechanism of taking location structure, includes shift fork (1), gear shift hub (6) and spacing subassembly, characterized by: the gear shifting device is characterized in that a limiting assembly is arranged on the cylindrical surface of a gear shifting hub (6), a limiting groove matched with the limiting assembly is arranged on a mounting column (9) where a shifting fork (1) is connected with the gear shifting hub (6), the limiting assembly comprises a blind hole (5) and a spring steel ball structure, a plurality of blind holes (5) are formed in the cylindrical surface of the gear shifting hub (6), the spring steel ball structure is installed in the blind holes (5), and the spring steel ball structure comprises a spring (4), a steel ball (3) and a hollow bolt (2); the limiting groove is characterized in that an arc-shaped groove (8) is formed in the outer end face of a mounting column (9) where a shifting fork (1) is connected with a gear shifting hub (6), and a spherical groove (7) is formed in the middle of the arc-shaped groove (8).
2. The shift hub with self-aligning structure of claim 1 wherein: a plurality of blind holes (5) which are accurately corresponding to the gear shifting stop positions are formed in the cylindrical surface of the gear shifting hub (6), and the blind holes (5) are formed in the cylindrical surface of the gear shifting hub (6) at different heights.
3. The shift hub with self-aligning structure of claim 1 wherein: the number of the blind holes (5) is 1, 2 or 3.
4. The shift hub with self-aligning structure of claim 1 wherein: the spherical groove (7) is matched with the steel ball (3).
5. The shift hub with self-aligning feature of any of claims 2-4 wherein: the inner surface of the blind hole (5) is provided with an internal thread, the outer surface of the hollow bolt (2) is provided with an external thread, and the hollow bolt (2) is in threaded connection with the blind hole (5).
6. The shift hub with self-aligning feature of claim 5 wherein: the hollow bolt (2) is internally composed of a cylindrical section (10) and a spherical section (11), the spring (4) is arranged on the cylindrical section (10), the steel ball (3) is arranged on the spherical section (11), and the steel ball (3) is attached to the spherical section (11) to realize axial positioning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922346837.2U CN211525513U (en) | 2019-12-24 | 2019-12-24 | Gear shifting mechanism with positioning structure for gear shifting hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922346837.2U CN211525513U (en) | 2019-12-24 | 2019-12-24 | Gear shifting mechanism with positioning structure for gear shifting hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211525513U true CN211525513U (en) | 2020-09-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922346837.2U Active CN211525513U (en) | 2019-12-24 | 2019-12-24 | Gear shifting mechanism with positioning structure for gear shifting hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211525513U (en) |
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2019
- 2019-12-24 CN CN201922346837.2U patent/CN211525513U/en active Active
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