CN102494129A - Self-locking and interlocking mechanism for cylindrical shell speed changer - Google Patents
Self-locking and interlocking mechanism for cylindrical shell speed changer Download PDFInfo
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- CN102494129A CN102494129A CN201110426867XA CN201110426867A CN102494129A CN 102494129 A CN102494129 A CN 102494129A CN 201110426867X A CN201110426867X A CN 201110426867XA CN 201110426867 A CN201110426867 A CN 201110426867A CN 102494129 A CN102494129 A CN 102494129A
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- steel ball
- retaining
- declutch shift
- groove
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Abstract
The invention relates to a self-locking and interlocking mechanism for a cylindrical shell speed changer. The self-locking and interlocking mechanism comprises a shifting fork (1'), a shifting fork shaft (2'), a guide block (4'), a cylindrical pin (5'), a pressurizer, steel balls and a signal switch (10), wherein the guide block (4') acts on a cylindrical shell to limit the rotation of the cylindrical shell, and is fixed to the shifting fork shaft (2') by the cylindrical pin (5') to prevent the shifting fork shaft (2') from rotating; a tangent plane is positioned on the surface of the shifting fork shaft (2'), so that the shifting fork shaft is convenient to install; the shifting fork is connected with the shifting fork shaft by an elastic retainer ring (3'), so that the shifting fork shaft can rotate after being installed; the shifting fork shaft comprises a plurality of locking grooves and movable pins; and the movable pins are used for pushing the steel balls accommodated in the locking grooves out of the grooves to lock or unlock the shifting fork shaft. The self-locking and interlocking mechanism can be convenient to produce while the using performance is ensured by combining the advantage of a classical simple and reliable self-locking and interlocking mechanism for the steel balls and the advantages of light quality and convenience for batch production of aluminum alloy cylindrical shells.
Description
Technical field
The present invention relates to the automotive transmission field, relate in particular to a kind of cartridge type housing speed changer from mutual interlocking gear.
Background technique
Classical speed changer steel ball, is widely used on the operating mechanism of speed changer owing to the advantage that it is simple, reliable, cost is low from mutual interlocking gear.But classical speed changer steel ball, can only be applied on the speed changer of box-type shell because steel ball assembles, declutch shift shaft can separately assemble from mutual interlocking gear.And widely used now lightweight aluminum alloy cartridge type housing, because the Al-alloy casing mass is cast, structural strength, Al-alloy casing must be that the cartridge type housing is so that casting and withdrawing pattern.For aluminum alloy cartridge type housing, can not separately assemble when gear, axle, shifting fork mechanism assembling, can only integral body pack into.The problem that this causes classical steel ball when mutual interlocking gear is applied to the cartridge type housing, can't assemble, thus its cheaply advantage can not get embodying.It is thus clear that, need a kind ofly can keep above-mentioned advantage urgently, the speed changer that can be applied to the cartridge type Al-alloy casing again is from mutual interlocking gear.
Summary of the invention
The purpose of this invention is to provide a kind of cartridge type housing speed changer from mutual interlocking gear; It can combine classical steel ball from the simple and reliable advantage of mutual interlocking gear and the cartridge type housing advantage with withdrawing pattern of being convenient to cast, make can assemble in the cartridge type housing speed changer of the present invention from mutual interlocking gear.
For achieving the above object, the present invention adopts following technological scheme:
A kind of cartridge type housing speed changer from mutual interlocking gear, comprise shift fork, declutch shift shaft, guide block, straight pin, pressurized machine, steel ball and signaling switch, wherein; Guide block is fixed on the fork axle through straight pin, to prevent and the relative movement of fork axle that guide block can move axially circumferentially and be slidingly matched with the cartridge type housing spacingly; It is characterized in that; The fork axle has the tangent plane from the teeth outwards, makes that when mounted said assembly from mutual interlocking gear can integral body be encased in the cartridge type housing.
Wherein, fork and fork axle link together through circlip, and be said in the process of mutual interlocking gear in installation thus, and the fork axle can rotate to realize integral installation.
Wherein, the fork axle comprises a plurality of locking grooves, and the loose pin that passes the locking groove surfaces on the same cross-section location, and said loose pin is used for the steel ball that is contained in the locking groove is pushed away groove, with locking or release fork axle.
The number of said fork axle is three, comprises one/back fork axle, two/three retaining declutch shift shafts and four/five retaining declutch shift shafts, and each fork axle has in the different cross-sectional areas position and is used to hold the locking groove of steel ball and the loose pin that is used to push away steel ball.
Wherein, each fork axle has the gear groove being on the circumference side of 90 degree with said locking groove, accomplish when the fork axle and put into gear, said gear groove with combined by the steel ball of spring compression, make to be not easy off-gear after putting into gear.
When being in neutral gear position; The spring force of neutral signaling switch makes steel ball in the groove of four/five retaining declutch shift shafts, and loose pin affacts on the steel ball, and steel ball 6 is in the groove of two/three retaining declutch shift shafts; Loose pin affacts on the steel ball 6, and steel ball 5 is in the groove of one/two retaining declutch shift shaft.
After putting into gear; Pressurized machine corresponding to the position of putting into gear acts on two up and down in three grooves; And loose pin acts on steel ball, makes steel ball lay respectively to hang up that all the other fork axles obtain locking thus between the groove of cylndrical surface and all the other fork axles of declutch shift shaft of retaining; Under the effect of loose pin and steel ball, the neutral signaling switch obtains compression simultaneously.
Particularly, after four/five retainings hung up retaining, four/five retaining pressurized machines acted on two up and down in three grooves; This moment, steel ball 8 kept off between the groove of declutch shift shafts in the cylndrical surface and two/three of four/five retaining declutch shift shafts; Loose pin acts on the steel ball 6, and in the groove of one/back fork axle, two/three retaining declutch shift shafts and one/back fork axle obtain locking to steel ball 6 thus simultaneously; Under the effect of loose pin, steel ball 5, loose pin, the neutral signaling switch obtains compression simultaneously.
After two/three retainings hang up retaining; Two/three retaining pressurized machines act on two up and down in three grooves; Steel ball 8 is in the groove of four/five retaining declutch shift shafts and between the cylndrical surface of two/three retaining declutch shift shafts at this moment, and steel ball 6 is in the groove of one/back fork axle, and four/five retaining declutch shift shafts and one/back fork axle obtain locking thus; Under the effect of loose pin 4, steel ball 5, loose pin 9, the neutral signaling switch obtains compression simultaneously.
When one/reverse gear hang up retaining after; One/the pressurized machine that reverses gear acts on two up and down in three grooves; Steel ball 8 is positioned at the groove of four/five retaining declutch shift shafts under the effect of loose pin, steel ball 6 keeps off between the cylndrical surface of declutch shift shaft at the groove and/two of two/three retaining declutch shift shafts, and four/five retaining declutch shift shafts and two/three retaining declutch shift shafts obtain locking thus; Under the effect of loose pin 4, steel ball 5, loose pin 9, the neutral signaling switch obtains compression simultaneously.
Preferably, said cartridge type housing is an Al-alloy casing, also can adopt cast housing.
Cartridge type housing speed changer provided by the invention from mutual interlocking gear; Not only possessed classical steel ball from the simple and reliable advantage of mutual interlocking gear; Also possesses the cartridge type housing advantage with withdrawing pattern of being convenient to cast; Especially can be convenient for assembly of the present invention in cartridge type housing speed changer from mutual interlocking gear, when guaranteeing usability, be convenient to produce.
Description of drawings
Fig. 1 is the shifting fork mechanism schematic representation from mutual interlocking gear of cartridge type housing speed changer of the present invention;
Fig. 2-7 be cartridge type housing speed changer from the schematic representation of mutual interlocking gear at different assembling stages;
Fig. 8 A is the structural representation after mutual interlocking gear is hanging up four or five retainings of the present invention;
Fig. 8 B is the sectional view of Fig. 2 A along the A-A line;
Fig. 9 is the structural representation of the present invention after mutual interlocking gear is hanging up two or three retainings;
Figure 10 be the present invention from mutual interlocking gear hanging up one or reverse gear after structural representation.
Embodiment
In order to make the object of the invention, technological scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Referring to Fig. 1, a kind of cartridge type housing speed changer from mutual interlocking gear, comprise shift fork 1 ', declutch shift shaft 2 ', guide block 4 ' and straight pin 5 '; Wherein, Guide block 4 ' is fixed on fork axle 2 ' through straight pin 5 ', to prevent and the relative movement of fork axle 2 ' that guide block 4 ' can move axially circumferentially and be slidingly matched with the cartridge type housing spacingly; After said mechanism is in place, can prevent the rotation of fork axle like this.
Fork and fork axle link together through circlip 3 '; Such effect is two degrees of freedom that define between declutch shift shaft and the shift fork; Promptly limited axially, degrees of freedom radially, the normal direction degrees of freedom is restriction not, declutch shift shaft just can rotate assembling when assembling like this; Make that said after the mutual interlocking gear integral installation finished, the fork axle can be through rotating into the position of real work.Last whole after mutual interlocking gear is in place; Guide block 4 ' is fixed on the declutch shift shaft 2 ' through straight pin 5 ', and can not rotate because guide block 4 ' acts on the housing 14 this moment; This moment, declutch shift shaft 2 can not rotate, the fork axle rotation after so just having prevented to install.
Referring to Fig. 2-7, cartridge type housing speed changer of the present invention from mutual interlocking gear through following assemble in the cartridge type housing:
The first step (Fig. 2), case of transmission 14 places rigging position, is respectively charged into steel ball (two) 6 and steel ball (two) 8 in the hole, and is coated with lubricating grease for use.
Second step (Fig. 3), the integral body assemblies such as gear, axle, declutch shift shaft of packing into, three declutch shift shafts must be adjusted to process position 2. at this moment.This moment, 4 steel balls were adjusted to the centre of declutch shift shaft automatically owing to the sphere of steel ball.
In the 3rd step (Fig. 4), this moment, declutch shift shaft got into rotational position.
In the 4th step (Fig. 5), one/back fork axle 1 revolved and turn 90 degrees this moment, three grooves must be in booster bore over against.
In the 5th step (Fig. 6), retaining declutch shift shafts 2 revolved and turn 90 degrees this moments two/three, three grooves must be in booster bore over against.Steel ball is adjusted to two ends automatically.
In the 6th step (Fig. 7), retaining declutch shift shafts 3 revolved and turn 90 degrees this moments four/five, three grooves must be in booster bore over against.After three declutch shift shafts are adjusted to the right place, pack into from the hole on housing 14 the right steel ball 5, loose pin 9, neutral signaling switch 10.At this moment, under the effect of neutral signaling switch 10 spring forces, steel ball 8 is in the groove of four or five retaining declutch shift shafts; Loose pin 7 affacts on the steel ball 8, and steel ball 6 is in two/three retaining declutch shift shafts, 2 grooves, and loose pin 4 affacts on the steel ball 6; Steel ball 5 is in neutral gear position this moment in one/back fork axle, 1 groove.
When being in neutral gear position; The spring force of neutral signaling switch 10 makes steel ball 8 in the groove of four/five retaining declutch shift shafts, and loose pin 7 affacts on the steel ball 8, and steel ball 6 is in the groove of two/three retaining declutch shift shafts; Loose pin 4 affacts on the steel ball 6, and steel ball 5 is in the groove of one/back fork axle.
Referring to Fig. 8 A; When four the retaining or five the retaining hang up retaining after; Four/five retaining pressurized machines 13 act on two up and down in three grooves; This moment, steel ball 8 kept off between the groove of declutch shift shafts 2 in the cylndrical surface and two/three of four/five retaining declutch shift shafts 3, and loose pin 7 acts on the steel ball 6, and steel ball 6 is simultaneously in the groove of one/back fork axle.Promptly two/three retaining declutch shift shafts 2 and one/back fork axle 1 obtain locking.Under the effect of loose pin 4, steel ball 5, loose pin 9, neutral signaling switch 10 obtains compression simultaneously, is in the position of putting into gear this moment.
Referring to Fig. 8 B, be the sectional view of Fig. 8 A along the A-A line, show the structure after four/five retaining fork axles 3 are put into gear.Visible among the figure, fork axle 1,2,3 is used for the gear groove that gear is selected being to have on the circumference side of 90 degree with the above-mentioned locking groove that is used for locking, is used to hold the for example steel ball of steel ball 15.When the moment that hangs up retaining, steel ball 15 gets into its corresponding groove, makes to be not easy off-gear after putting into gear.
Accomplish when the fork axle and to put into gear, said gear groove with combined by the steel ball 15 of spring compression, be not easy off-gear after putting into gear.
Referring to Fig. 9; When two the retaining or three the retaining hang up retaining after; Two/three retaining pressurized machines 12 act on two up and down in three grooves, and steel ball 8 is in the groove of four/five retaining declutch shift shafts 3 and between the cylndrical surface of two/three retaining declutch shift shafts 2 at this moment, and steel ball 6 is in the groove of one/back fork axle 1.Promptly four/five retaining declutch shift shafts 3 and one/back fork axle 1 obtain locking.Under the effect of loose pin 4, steel ball 5, loose pin 9, neutral signaling switch 10 obtains compression simultaneously, is in the position of putting into gear this moment.
Referring to Figure 10; When one the retaining or reverse gear hang up retaining after; One/the pressurized machine 11 that reverses gear acts on two up and down in three grooves; This moment, steel ball 8 was positioned at the groove of four/five retaining declutch shift shafts 3 under the effect of straight pin 7, and steel ball 86 is between the cylndrical surface of groove and one/back fork axle 1 of two/three retaining declutch shift shafts 2.Promptly four/five retaining declutch shift shafts 3 and two/three retaining declutch shift shafts 2 obtain locking.Under the effect of straight pin 4, steel ball 5, straight pin 9, neutral signaling switch 10 obtains compression simultaneously, is in the position of putting into gear this moment.
To sum up, cartridge type housing speed changer provided by the invention from mutual interlocking gear, not only possessed classical steel ball from the simple and reliable advantage of mutual interlocking gear, also possess the cartridge type housing advantage with withdrawing pattern of being convenient to cast, especially be convenient to assembling, be beneficial to and use and produce.
The above is merely preferred embodiment of the present invention, is not to be used for limiting practical range of the present invention; If do not break away from the spirit and scope of the present invention, the present invention is made amendment or is equal to replacement, all should be encompassed in the middle of the protection domain of claim of the present invention.For example, when being used for six shift transmissions, the quantity of said declutch shift shaft just is four, and corresponding components and structure are also done corresponding adjustment according to four declutch shift shafts with it.
Claims (9)
- A cartridge type housing speed changer from mutual interlocking gear, it is installed in the cartridge type housing, comprises shift fork (1 '), declutch shift shaft (2 '), guide block (4 '), straight pin (5 '), pressurized machine, steel ball and signaling switch (10); Wherein, Guide block (4 ') is fixed on fork axle (2 ') through straight pin (5 '), to prevent and the relative movement of fork axle (2 ') that guide block (4 ') can move axially circumferentially and be slidingly matched with the cartridge type housing spacingly; It is characterized in that; Fork axle (2 ') has the tangent plane from the teeth outwards, makes that when mounted said assembly from mutual interlocking gear can integral body be encased in the cartridge type housing;Wherein, fork and fork axle link together through circlip (3 '), make that integral installation finishes after, the fork axle rotates to the real work position;Wherein, the fork axle comprises a plurality of locking grooves, and the loose pin that passes the locking groove surfaces on the same cross-section location, and said loose pin is used for the steel ball that is contained in the locking groove is pushed away groove, with locking or release fork axle.
- 2. cartridge type housing speed changer according to claim 1 from mutual interlocking gear; It is characterized in that; The number of said fork axle is three; Comprise one/back fork axle (1), two/three retaining declutch shift shafts (2) and four/five retaining declutch shift shafts (3), each fork axle has locking groove (6,8) that is used to hold steel ball and the loose pin (7) that is used to push away steel ball in the different cross-sectional areas position.
- 3. cartridge type housing speed changer according to claim 2 from mutual interlocking gear; It is characterized in that; Each fork axle with said locking groove be 90 the degree the circumference side on have the gear groove; Accomplish when the fork axle and to put into gear, said gear groove with combined by the steel ball of spring compression (15), make to be not easy off-gear after putting into gear.
- As right want ball 2 or 3 described cartridge type housing speed changers from mutual interlocking gear; When being in neutral gear position; The spring force of neutral signaling switch (10) makes steel ball (8) in the groove of four/five retaining declutch shift shafts, and loose pin (7) affacts on the steel ball (8), and steel ball (6) is in the groove of two/three retaining declutch shift shafts; Loose pin (4) affacts on the steel ball (6), and steel ball (5) is in the groove of one/back fork axle.
- According to claim 2 or 3 described cartridge type housing speed changers from mutual interlocking gear, it is characterized in that, after putting into gear; Pressurized machine corresponding to the position of putting into gear acts on two up and down in three grooves; And loose pin acts on steel ball, makes steel ball lay respectively to hang up that all the other fork axles obtain locking thus between the groove of cylndrical surface and all the other fork axles of declutch shift shaft of retaining; Under the effect of loose pin and steel ball, neutral signaling switch (10) obtains compression simultaneously.
- 6. cartridge type housing speed changer according to claim 5 from mutual interlocking gear; It is characterized in that after four/five retainings hung up retaining, four/five retaining pressurized machines (13) acted on two up and down in three grooves; The cylndrical surface and two/three that steel ball this moment (8) is positioned at four/five retaining declutch shift shafts (3) keeps off between the groove of declutch shift shafts (2); Loose pin (7) acts on the steel ball (6), and in the groove of one/back fork axle, two/three retaining declutch shift shafts (2) and one/back fork axle (1) obtain locking to steel ball (6) thus simultaneously; Under the effect of loose pin (4), steel ball (5), loose pin (9), neutral signaling switch (10) obtains compression simultaneously.
- 7. cartridge type housing speed changer according to claim 5 from mutual interlocking gear; It is characterized in that; After two/three retainings hung up retaining, two/three retaining pressurized machines (12) acted on two up and down in three grooves, and the groove and two/three that steel ball this moment (8) is positioned at four or five retaining declutch shift shafts (3) keeps off between the cylndrical surface of declutch shift shafts (2); Steel ball (6) is in the groove of one/back fork axle 1; Four/five retaining declutch shift shafts (3) and one/back fork axle (1) obtain locking thus, and under the effect of loose pin (4), steel ball (5), loose pin (9), neutral signaling switch (10) obtains compression simultaneously.
- 8. cartridge type housing speed changer according to claim 5 from mutual interlocking gear; It is characterized in that; When one/reverse gear hang up retaining after, the one/pressurized machine that reverses gear (11) acts on two up and down in three grooves, steel ball (8) is positioned at the groove of four/five retaining declutch shift shafts (3) under the effect of loose pin (7); Steel ball (6) keeps off between the cylndrical surface of declutch shift shaft (1) at the groove and/two of two/three retaining declutch shift shafts (2); Four/five retaining declutch shift shafts (3) and two/three retaining declutch shift shafts (2) obtain locking thus, and under the effect of loose pin (4), steel ball (5), loose pin (9), neutral signaling switch (10) obtains compression simultaneously.
- The described cartridge type housing of claim 1 speed changer from mutual interlocking gear, it is characterized in that said cartridge type housing is Al-alloy casing or cast housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110426867XA CN102494129A (en) | 2011-12-19 | 2011-12-19 | Self-locking and interlocking mechanism for cylindrical shell speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110426867XA CN102494129A (en) | 2011-12-19 | 2011-12-19 | Self-locking and interlocking mechanism for cylindrical shell speed changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102494129A true CN102494129A (en) | 2012-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110426867XA Pending CN102494129A (en) | 2011-12-19 | 2011-12-19 | Self-locking and interlocking mechanism for cylindrical shell speed changer |
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| CN (1) | CN102494129A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033598A (en) * | 2014-06-11 | 2014-09-10 | 杭州前进齿轮箱集团股份有限公司 | Multi-gear shifting mechanical interlocking mechanism |
| CN105276175A (en) * | 2015-11-03 | 2016-01-27 | 东风商用车有限公司 | Multi-shaft self-locking interlocking device |
| CN105546109A (en) * | 2016-01-22 | 2016-05-04 | 安徽江淮汽车股份有限公司 | Shifting fork shaft with interlocking structure |
| CN106090210A (en) * | 2016-08-23 | 2016-11-09 | 重庆青山工业有限责任公司 | Selector fork assembly |
| CN107023679A (en) * | 2016-01-30 | 2017-08-08 | 长城汽车股份有限公司 | Transmission gear mutual interlocking gear |
| CN110966405A (en) * | 2019-12-29 | 2020-04-07 | 一汽解放汽车有限公司 | Special integrated gear shifting control mechanism for front and rear split-shell transmission |
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| JPS62237148A (en) * | 1986-04-04 | 1987-10-17 | Diesel Kiki Co Ltd | Drive control device for speed change gear for vehicle |
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| CN201215179Y (en) * | 2008-06-24 | 2009-04-01 | 浙江万里扬变速器股份有限公司 | Automobile speed variator reverse gear locking arrangement |
| CN202431950U (en) * | 2011-12-19 | 2012-09-12 | 綦江齿轮传动有限公司 | Automatic interlocking mechanism applied to barrel-type shell speed changer |
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2011
- 2011-12-19 CN CN201110426867XA patent/CN102494129A/en active Pending
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| JPS62237148A (en) * | 1986-04-04 | 1987-10-17 | Diesel Kiki Co Ltd | Drive control device for speed change gear for vehicle |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033598A (en) * | 2014-06-11 | 2014-09-10 | 杭州前进齿轮箱集团股份有限公司 | Multi-gear shifting mechanical interlocking mechanism |
| CN105276175A (en) * | 2015-11-03 | 2016-01-27 | 东风商用车有限公司 | Multi-shaft self-locking interlocking device |
| CN105546109A (en) * | 2016-01-22 | 2016-05-04 | 安徽江淮汽车股份有限公司 | Shifting fork shaft with interlocking structure |
| CN107023679A (en) * | 2016-01-30 | 2017-08-08 | 长城汽车股份有限公司 | Transmission gear mutual interlocking gear |
| CN107023679B (en) * | 2016-01-30 | 2019-03-01 | 长城汽车股份有限公司 | Transmission gear mutual interlocking gear |
| CN106090210A (en) * | 2016-08-23 | 2016-11-09 | 重庆青山工业有限责任公司 | Selector fork assembly |
| CN110966405A (en) * | 2019-12-29 | 2020-04-07 | 一汽解放汽车有限公司 | Special integrated gear shifting control mechanism for front and rear split-shell transmission |
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Application publication date: 20120613 |