CN202203388U - Positioning steel ball assembly - Google Patents
Positioning steel ball assembly Download PDFInfo
- Publication number
- CN202203388U CN202203388U CN2011203061013U CN201120306101U CN202203388U CN 202203388 U CN202203388 U CN 202203388U CN 2011203061013 U CN2011203061013 U CN 2011203061013U CN 201120306101 U CN201120306101 U CN 201120306101U CN 202203388 U CN202203388 U CN 202203388U
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- steel ball
- column jecket
- fixed base
- ball assembly
- locking
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Abstract
The utility model provides a positioning steel ball assembly, belonging to the technical field of vehicle. It solves the technical problems of the current positioning steel ball assembly that the process is difficult and the use is inconvenient. The positioning steel ball assembly comprises a shell; a spring and a steel ball are disposed in the shell; the shell comprises a fixing seat and a column pipe; one end of the column pipe is fixedly connected with the fixing seat; the other end is provided with a limit part for preventing the steel ball from falling off outward from the other end of the column pipe; the spring gives the steel ball a movement trend from the other end of the column pipe to outside. The utility model has advantages of convenient use, low process difficulty and strong use flexibility.
Description
Technical field
The utility model belongs to the vehicle technology field, relates to a kind of locking ball assembly.
Background technique
Along with science and technology development, automobile has become the topmost traffic tool in people's daily life.Automobile all relates to a gear self-locking problem in shift process; The gear self-locking is accomplished through the gear self-locking device; The gear self-locking device is to prevent the automatic trip stop of automobile and guarantee that shift of transmission gear correct engagement institute is indispensable; Fork axle and locking ball contact friction when it passes through gearshift, locking ball get into the groove and the fork axle of fork axle and accomplish the gearshift action jointly.Traditional gear self-locking device generally is on the fork axle, directly to process groove, and directly processing is portalled on case of transmission, then steel ball, spring be contained in Kong Lizai through bolt or loam cake spring compression.Owing to inconvenient inner walls is processed, and the distance between inner walls and the fork axle groove is difficult to control, and makes traditional gear self-locking device processing difficulties, manufacture cost height, maintenance difficult etc.
To the shortcoming that exists in traditional gear self-locking device, there is the people to develop novel gear self-locking device.A kind of Light-duty Vehicle speed changer self-locking spring assembly [notice of authorization number: CN201836361U is disclosed like the Chinese patent document; Application number: 201020539926.5], form by self-locking spring, self-locking spring shell, steel ball and steel ball seat; In the self-locking spring shell self-locking spring is installed, is furnished with steel ball seat and steel ball on the self-locking spring successively, on the self-locking spring shell, attacked outside thread.This self-locking spring assembly is through being provided with a shell that is installed on the case of transmission and can separates from housing; Self-locking spring, steel ball and steel ball seat is in the enclosure integrated; Replace on case of transmission, processing through the processing shell, reduced difficulty of processing to a certain extent.But the shell of this self-locking spring assembly is as a whole; Self-locking spring, steel ball and steel ball seat are fixing in the enclosure by the closing on the shell; Whole self-locking device is non-removable one; Use flexibility very low, whole self-locking device all will be scrapped when certain damage parts the time, therefore cause the waste of resource easily.Simultaneously; This self-locking spring assembly is when carrying out machine shaping to the closing on the shell; Must all be assembled into steel ball, spring and steel ball seat in the shell earlier; Processing the time will prevent also that parts such as steel ball are damaged, and has brought inconvenience therefore for the processing of closing up, and manufacturing efficiency has also received influence.
Summary of the invention
The purpose of the utility model is to have the problems referred to above to existing technology, has proposed a kind of easy to process, strong locking ball assembly of use flexibility.
The purpose of the utility model can realize through following technical proposal: a kind of locking ball assembly; Comprise housing; Be provided with spring and steel ball in the described housing, it is characterized in that, described housing comprises fixed base and column jecket; Described column jecket one end is fixedly connected with fixed base, and the other end has the limit body that prevents that steel ball outwards breaks away from from the column jecket another port; Described spring makes steel ball have the movement tendency that outwards breaks away from from the column jecket another port all the time.
Steel ball receives the pressure effect of spring, and when steel ball had been in above the groove of fork axle, steel ball can snap in moving of restriction fork axle in the groove automatically, realizes automatic locking function, prevents the automatic trip stop of automobile.
This locking ball assembly housing is set to the fixed base and the housing two-part that can be separated from each other, and makes locking ball assembly ease of assembly, and each part all can disassemble separately from the locking ball assembly easily simultaneously.Therefore, when certain part in the locking ball assembly owing to reasons such as aging, excessive wear need only need correspondingly follow this part to change when changing, avoided the waste of resource, the use flexibility also is improved.In addition, this locking ball assembly only needs during the processing limit body process column jecket separately for processing limit body earlier and then assembling, and therefore easy to process, manufacturing efficiency also is improved.
In above-mentioned locking ball assembly, described limit body is the curved part that the other end of column jecket extends to the axle center.
In above-mentioned locking ball assembly, described limit body is the annular bead that is positioned at the inner edge place, another port of column jecket.Because therefore the above-mentioned curved part and the diameter of annular bead can prevent that steel ball breaks away from less than steel ball size in column jecket.Simultaneously, this curved part and annular bead are simple in structure, easy to process.
In above-mentioned locking ball assembly, also be provided with steel ball seat in the described housing, described steel ball seat one end and described spring lean, and the other end and steel ball lean.
In above-mentioned locking ball assembly, has locating slot on the end face of described steel ball seat near steel ball one end.Between spring and steel ball, steel ball seat is installed, simultaneously locating slot is set on steel ball seat, steel ball can be rotated when work flexibly, reduce sliding friction between steel ball and the fork axle, prolong the working life of steel ball.
In above-mentioned locking ball assembly, described column jecket one end is located in the described fixed base, between described column jecket and the fixed base through being threaded.
In above-mentioned locking ball assembly, the end internal surface that described fixed base is connected with column jecket has slot to make way, and described column jecket one end is located in the described fixed base through the drive fit connection.Adopt between fixed base and the column jecket to be threaded or the drive fit Placement, make fixed base and column jecket can ease of assembly with separate.Certainly, also can adopt other the mode of removably connecting to be fixedly connected between fixed base and the column jecket.
In above-mentioned locking ball assembly, the end outer surface that described fixed base is connected with column jecket has screw thread, and described fixed base also has the portion of putting forth effort.The outside thread of fixed base is used for fixed base is fixed on case of transmission, and the portion of putting forth effort is convenient to carry out dismounting to fixed base.
Compared with prior art, this locking ball assembly has the following advantages:
1, the housing of this locking ball assembly is set to the fixed base and the housing two-part that can be separated from each other; Make locking ball assembly ease of assembly and separate; Need be when changing when its some damage parts, only need follow to change just to continue to use the situation of avoiding conventional positioning steel ball assembly to cause whole locking ball assembly to scrap owing to certain damage parts to the part that damages; Thereby saved material, reduced the waste of resource.
2, this locking ball assembly have easy to use, difficulty of processing is low, uses the strong advantage of flexibility.
Description of drawings
Fig. 1 is this locking ball assembly master TV structure sectional view.
Fig. 2 is that this locking ball assembly is looked up structural representation.
Among the figure, 1, spring; 2, steel ball; 3, fixed base; 4, column jecket; 5, steel ball seat; 6, annular bead; 7, screw thread; 8, put forth effort portion; 9, locating slot.
Embodiment
Below be the specific embodiment of the utility model and combine accompanying drawing, the technological scheme of the utility model is done further to describe, but the utility model is not limited to these embodiments.
Like Fig. 1, shown in Figure 2, this locking ball assembly comprises parts such as housing, spring 1, steel ball 2, steel ball seat 5.
Specifically, this locking ball assembly is arranged on the gear box casing.The locking ball assembly shell comprises fixed base 3 and the column jecket 4 that is located in the fixed base 3.The end outer surface that fixed base 3 is connected with housing is provided with screw thread 7, and fixed base 3 is provided with the portion of putting forth effort 8 that makes things convenient for rotational fixation seat 3 simultaneously.Fixed base 3 is fixed on the locking ball assembly on the gear box casing through the screw thread 7 of its outer surface.In order to make locking ball assembly ease of assembly and to separate; Adopt detachable the fixed connection between fixed base 3 and the column jecket 4; As be threaded, or slot to make way is set at the end internal surface that fixed base 3 is connected with column jecket 4, be connected through drive fit between fixed base 3 and the column jecket 4.In housing, be provided with spring 1, steel ball seat 5 and steel ball 2, an end and the fixed base 3 of spring 1 lean, and the other end and steel ball seat 5 lean.The other end end face that leans at steel ball seat 5 and spring 1 has locating slot 9, and steel ball 2 is placed in this locating slot 9.Locating slot 9 can rotate steel ball 2 flexibly when work, reduce sliding friction between steel ball 2 and the fork axle, prolongs the working life of steel ball 2.Steel ball 2 has the movement tendency that outwards breaks away from the column jecket 4 all the time under the active force of spring 1, therefore, break away from column jecket 4 in order to prevent steel ball 2, is provided with the limit body structure at column jecket 4 and steel ball 2 contacted ends.This limit body can be the curved part that column jecket 4 extends to the axle center, also can be the annular bead 6 at column jecket 4 inner edge places.Diameter through design curved part and annular bead 6 is less than steel ball 2 diameters, makes the steel ball 2 can be from disengagings in the column jecket 4.
The function of this locking ball assembly realizes through following manner; Speed change lever drives the fork axle and moves, and has waveform groove on the fork axle, and this waveform groove comprises several grooves; Deciding steel ball 2 gets into the fork axle under the elastic force effect of spring 1 groove or pressure spring 1 makes steel ball 2 withdraw from the groove of fork axle; Like this, when steel ball 2 got into the groove of a certain gear, the shift of transmission gear got into the tram of engagement.At this moment, the elastic force of spring 1 promotes steel ball 2, limits moving of fork axle, to prevent the automatic trip stop of automobile.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.
Although this paper has used terms such as steel ball 2, fixed base 3, column jecket 4, steel ball seat 5, annular bead 6 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain the essence of the utility model more easily; It all is contrary with the utility model spirit being construed to any additional restriction to them.
Claims (8)
1. locking ball assembly; Comprise housing; Be provided with spring (1) and steel ball (2) in the described housing, it is characterized in that, described housing comprises fixed base (3) and column jecket (4); Described column jecket (4) one ends are fixedly connected with fixed base (3), and the other end has the limit body that prevents that steel ball (2) outwards breaks away from from column jecket (4) another port; Described spring (1) makes steel ball (2) have the movement tendency that outwards breaks away from from column jecket (4) another port all the time.
2. locking ball assembly according to claim 1 is characterized in that, described limit body is the curved part that the other end of column jecket (4) extends to the axle center.
3. locking ball assembly according to claim 1 is characterized in that, described limit body is the annular bead (6) that is positioned at the inner edge place, another port of column jecket (4).
4. locking ball assembly according to claim 1 is characterized in that, also is provided with steel ball seat (5) in the described housing, and described steel ball seat (5) one ends and described spring (1) lean, and the other end and steel ball (2) lean.
5. locking ball assembly according to claim 4 is characterized in that, has locating slot (9) on the end face of described steel ball seat (5) near steel ball (2) one ends.
6. according to any described locking ball assembly in the claim 1 to 5, it is characterized in that described column jecket (4) one ends are located in the described fixed base (3), between described column jecket (4) and the fixed base (3) through being threaded.
7. according to any described locking ball assembly in the claim 1 to 5; It is characterized in that; The end internal surface that described fixed base (3) is connected with column jecket (4) has slot to make way, and described column jecket (4) one ends are located in the described fixed base (3) through the drive fit connection.
8. according to any described locking ball assembly in the claim 1 to 5, it is characterized in that the end outer surface that described fixed base (3) is connected with column jecket (4) has screw thread (7), described fixed base (3) also has the portion of putting forth effort (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203061013U CN202203388U (en) | 2011-08-22 | 2011-08-22 | Positioning steel ball assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203061013U CN202203388U (en) | 2011-08-22 | 2011-08-22 | Positioning steel ball assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202203388U true CN202203388U (en) | 2012-04-25 |
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ID=45967509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203061013U Expired - Fee Related CN202203388U (en) | 2011-08-22 | 2011-08-22 | Positioning steel ball assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202203388U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777596A (en) * | 2012-07-26 | 2012-11-14 | 长城汽车股份有限公司 | Self-locking device of gears of speed changer |
| CN105156665A (en) * | 2015-09-09 | 2015-12-16 | 浙江一铭机车部件有限公司 | Gear shifting mechanism assembly of automobile transmission |
| CN105937616A (en) * | 2016-06-27 | 2016-09-14 | 常州光洋轴承股份有限公司 | Integral slide column module for vehicle transmission |
| CN106246680A (en) * | 2016-09-30 | 2016-12-21 | 中信机电制造公司科研设计院 | Locking ball anti-drop device |
| CN106481812A (en) * | 2015-09-02 | 2017-03-08 | 浙江道成汽车部件股份有限公司 | Automobile screw-in gearshift stop and its manufacture method of gearshift stop push rod |
-
2011
- 2011-08-22 CN CN2011203061013U patent/CN202203388U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777596A (en) * | 2012-07-26 | 2012-11-14 | 长城汽车股份有限公司 | Self-locking device of gears of speed changer |
| CN102777596B (en) * | 2012-07-26 | 2014-11-12 | 长城汽车股份有限公司 | Self-locking device of gears of speed changer |
| CN106481812A (en) * | 2015-09-02 | 2017-03-08 | 浙江道成汽车部件股份有限公司 | Automobile screw-in gearshift stop and its manufacture method of gearshift stop push rod |
| CN106481812B (en) * | 2015-09-02 | 2018-05-11 | 浙江道成汽车部件股份有限公司 | The manufacture method of automobile screw-in gearshift limiter and its limiter push rod of shifting gears |
| CN105156665A (en) * | 2015-09-09 | 2015-12-16 | 浙江一铭机车部件有限公司 | Gear shifting mechanism assembly of automobile transmission |
| CN105937616A (en) * | 2016-06-27 | 2016-09-14 | 常州光洋轴承股份有限公司 | Integral slide column module for vehicle transmission |
| CN106246680A (en) * | 2016-09-30 | 2016-12-21 | 中信机电制造公司科研设计院 | Locking ball anti-drop device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120425 Termination date: 20180822 |
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| CF01 | Termination of patent right due to non-payment of annual fee |