CN103547842B - The assembling method of the wheeled gearshift of slide teeth and the wheeled gearshift of slide teeth - Google Patents

The assembling method of the wheeled gearshift of slide teeth and the wheeled gearshift of slide teeth Download PDF

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Publication number
CN103547842B
CN103547842B CN201280022682.5A CN201280022682A CN103547842B CN 103547842 B CN103547842 B CN 103547842B CN 201280022682 A CN201280022682 A CN 201280022682A CN 103547842 B CN103547842 B CN 103547842B
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CN
China
Prior art keywords
selector fork
gearshift
wheeled
shell
retaining member
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Expired - Fee Related
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CN201280022682.5A
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Chinese (zh)
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CN103547842A (en
Inventor
伊藤笃
羽原祐树
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Aisin AI Co Ltd
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Aisin AI Co Ltd
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Publication of CN103547842A publication Critical patent/CN103547842A/en
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Expired - Fee Related legal-status Critical Current
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H63/00Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30Constructional features of the final output mechanisms
    • F16H63/302Final output mechanisms for reversing

Abstract

The invention provides the low and assembling method of the wheeled gearshift of the slide teeth of light weight and this device of a kind of cost.Specifically, the wheeled gearshift of slide teeth of the present invention is as follows, make selector fork swing according to gear shift operation, free gear is slided in the axial direction, make the reverse-drive gear be supported on input shaft and the reversing driven gear engagement be supported on output shaft, it is characterized by, shell keeps selector fork swingably by retaining member, has the swaying direction being parallel to selector fork and the assembly part formed.

Description

The assembling method of the wheeled gearshift of slide teeth and the wheeled gearshift of slide teeth
Technical field
The present invention relates to the assembling method of the wheeled gearshift of a kind of slide teeth and this device.
Background technique
Generally speaking, be that the wheeled gearbox of slide teeth is formed as follows for the gear of astern stage in the middle of the gearbox of automobile, switched swimmingly by multiple gears of synchronizer by advance.As shown in patent documentation 1 or patent documentation 2, because the gear of reversing is switched usually under vehicle stop state, the slip of free gear is not therefore utilized to switch selectively by synchronizer.
But the wheeled gearshift 9 of the slide teeth shown in Fig. 7 has: selector fork 91, swings according to gear shift operation; And reverse idler 93, coordinate with selector fork 91, by the swing of selector fork 91, pony axle 92 is slided in the axial direction.One end 911 of selector fork 91 coordinates with reverse idler 93, is supported on bracket 95 by the other end by the supporting pin 94 becoming swing axis.And, in the hole 96 of intermediate portion opening, be combined with the pin of fork shaft, near hole, be combined with one end of torsion spring 97.The other end of torsion spring 97 is engaged on bracket 95.The bracket 95 supporting selector fork 91 is as follows, and the face being parallel to the shell 90 of gearbox is fixed by bolt, at the partial insertion supporting pin 94 bending perpendicular to shell 90.Reverse idler 93 has: not with the position of readiness (solid line) of the gears meshing on input shaft and output shaft; And the car backing position (double dot dash line) to engage with above-mentioned axle.Torsion spring 97 applies power to position of readiness (solid line) and car backing position (double dot dash line) to reverse idler 93 by selector fork 91.
Patent documentation 1: the flat 7-42810 publication of Japanese Laid-Open
Patent documentation 2: Japanese Laid-Open 2005-233361 publication
The wheeled gearshift of slide teeth needs selector fork to guarantee to be greater than the stroke of ahead stage stroke, needs the structure that lever ratio is suitable.In addition, be different from the gear of ahead stage, need reverse idler to remain on position of readiness and car backing position.But therefore shell is tending towards maximizing or number of components increase, one of reason that weight increases or cost improves becoming gearbox.And, owing to playing above-mentioned functions in limited space, therefore also there are parts to be tending towards maximizing or component shape is tending towards complicated situation, become increased by the weight of gearbox, one of the reason of the complicated cost raising brought of the complicated or assembly process of parts manufacturing process.
Summary of the invention
The present invention carries out in view of above-mentioned truth, will a kind of cost be provided low and the assembling method of the wheeled gearshift of the slide teeth of light weight and this device as the problem that should solve.
The invention feature structurally related to for the technological scheme 1 solving above-mentioned problem is have: reverse idler axle, and axle is supported in the shell of gearbox, is listed in input shaft and output shaft; Reverse idler, is supported on this reverse idler axle in the axial direction slidably; And selector fork, there is the gear auxiliary section coordinated with described reverse idler, make described selector fork swing according to gear shift operation, described free gear is slided in the axial direction, make in the reverse-drive gear that is supported on described input shaft and the wheeled gearshift of slide teeth of reversing driven gear engagement be supported on described output shaft
Described shell keeps described selector fork swingably by retaining member, has the swaying direction being parallel to described selector fork and the assembly part formed, and described selector fork and described retaining member torsion spring keep.
The invention feature structurally that technological scheme 2 relates in addition is, in technological scheme 1, there is swing axis linking member, it becomes the swing axis of the described selector fork between described retaining member and described assembly part, by clamping described selector fork by described retaining member and described assembly part and link
Described retaining member becomes the spline component for described selector fork being remained on described assembly part.
The invention feature structurally related to for the technological scheme 3 solving above-mentioned problem is, in the wheeled gearshift of the slide teeth described in technological scheme 1 or 2, have: keep operation, keep described selector fork and described retaining member by torsion spring;
And shell setting process, make the gear auxiliary section of described selector fork be matched with described reverse idler, by swing axis linking member, the described retaining member kept with described torsion spring and described selector fork are arranged on the described assembly part of described shell.
The invention feature structurally that technological scheme 4 relates in addition is that, in technological scheme 3, described swing axis linking member is bolt component,
Described shell setting process is the operation by described bolt component, described retaining member being tightened to described assembly part.
The invention feature structurally that technological scheme 5 relates in addition is that in technological scheme 3 or 4, described shell setting process is as follows, makes the retainer of described retaining member be connected to described shell, becomes and carries out by described swing axis linking member the spline component tightened.
In the invention that technological scheme 1 relates to, shell has the assembly part for keeping selector fork swingably, and this assembly part is parallel to the swaying direction of selector fork and is formed.Due to not other components such as mounting bracket and can be held on shell by selector fork on shell, the component being therefore provided with bracket etc. reduces, and can realize reducing by number of components the cost degradation or lightweight that bring.
In the invention that technological scheme 2 relates to, remain between retaining member and assembly part by swing axis linking member by selector fork, swing axis linking member becomes swing axis.And because retaining member becomes the spline component for selector fork being remained on described assembly part, therefore selector fork is firmly held in assembly part.In addition, because selector fork remains on shell by link by swing axis linking member swingably, therefore assemble also simple.
In the invention that technological scheme 3 relates to, first by torsion spring, selector fork is kept together with retaining member, by swing axis linking member, selector fork is arranged on shell in this case.That is, not first retaining member is arranged on shell, but be arranged on shell together with selector fork.By torsion spring, selector fork and retaining member are kept, not disperse.This torsion spring is the component with function selector fork being remained on position of readiness and car backing position, does not need to remove afterwards.According to the invention that technological scheme 3 relates to, because assembling procedure is less and simple, therefore, it is possible to the wheeled gearshift of slide teeth of low cost assembling light weight.
In the invention that technological scheme 4 relates to, being bolt component for swing axis linking member selector fork remained on swingably on shell, fixing bolt component by tightening.Thus, can simply selector fork be assembled on shell.
In the invention that technological scheme 5 relates to, for by selector fork, the retaining member be arranged on swingably on shell has the retainer being connected to shell.Retainer becomes the spline component when being tightened retaining member by swing axis linking member.Thus, too can not tighten retaining member, can positively selector fork be assembled on shell.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of gearshift 10 structure representing mode of execution.
Fig. 2 is the figure observing Fig. 1 from A-A.
Fig. 3 is the schematic diagram of gearshift 10 major component of mode of execution.
Fig. 4 represents the schematic diagram for dunnage 5 structure in the gearshift 10 of mode of execution.
Fig. 5 observes the figure for the selector fork 4 in the gearshift 10 of mode of execution, dunnage 5 and torsion spring 8 from below.
Fig. 6 is the schematic diagram of the assembling method of gearshift 10 for illustration of mode of execution.
Fig. 7 is the schematic diagram representing existing gearshift structure.
Embodiment
With reference to Fig. 1 ~ Fig. 6, representative embodiments of the present invention is described.The wheeled gearshift of slide teeth of the present embodiment is arranged in the gearbox that vehicle carries.
Mode of execution
As shown in Fig. 1 and 2, the wheeled gearshift of slide teeth (being called simply below " gearshift ") 10 of present embodiment has: reverse idler axle 21; Reverse idler 3; Selector fork 4; Dunnage (supporting member) 5; Assembly part 61; Swing axis (swing axis linking department) 7; And torsion spring 8.
Reverse idler axle 21 is listed in input shaft (province's sketch map) and output shaft (province's sketch map) and axle is supported in the shell 6 of gearbox (province's sketch map).
Reverse idler 3 is rotatable and be supported on slidably in the axial direction on reverse idler axle 21.Reverse idler 3 has gear 31 a side in the axial direction, has the engaged portion 32 coordinated by the gear auxiliary section 41 of selector fork 4 described later the opposing party.Gear 31 has outer peripheral teeth 311, can engage with the reverse-drive gear be supported on input shaft (province's sketch map) and the reversing driven gear (province's sketch map) be supported on output shaft.Reverse idler 3 slides in the axial direction between position of readiness and car backing position, at position of readiness, gear 31 does not engage with reverse-drive gear and driven gear of moveing backward, and at car backing position, gear 31 engages with reverse-drive gear and driven gear of moveing backward.
Selector fork 4 at one end has the gear auxiliary section 41 coordinated with the engaged portion 32 of reverse idler 3, is formed with the oscillation center hole 42 of inserting swing axis 7 described later at the other end.As shown in Figure 3, selector fork 4 swings for oscillation center with swing axis 7 between position of readiness (solid line) and car backing position (double dot dash line).The position of readiness of selector fork 4 corresponds to the position of readiness of reverse idler 3, and the car backing position of selector fork 4 corresponds to the car backing position of reverse idler 3.
In addition, be formed with the pin matching hole 43 coordinated by the pin 23 of fork shaft 22 at the middle body of selector fork 4, be formed near pin matching hole 43 by the spring matching hole 44 of the one end fits of torsion spring 8 described later.And fork shaft 22 is configured to roughly be listed in reverse idler axle 21, the movable in the axial direction earth's axis is supported in shell 6.
As shown in Figure 2, clamp selector fork 4 by dunnage 5 and assembly part 61 described later, dunnage 5 is the components be arranged on by selector fork 4 on shell 6.As shown in Fig. 1 and Fig. 4, dunnage 5 has retainer 51, is formed: oscillation center portion 52, is inserted in the oscillation center hole 42 of selector fork 4; And spring matching hole 53, coordinated by the other end of torsion spring 8.Retainer 51 is given prominence to a little by a part for the periphery of dunnage 5 and formed (with reference to Fig. 2).At the opening 521 that oscillation center portion 52 opening has swing axis 7 to screw togather.The external diameter size in preferred oscillation center portion 52 is as follows, and under the state in the oscillation center hole 42 being inserted in selector fork 4, selector fork 4 can swing freely.Thus, even if under the state be intercalated in oscillation center hole 42 in oscillation center portion 52, as long as selector fork 4 is swingable.Spring matching hole 53 is formed in the position leaving retainer 51.
As shown in Figure 2, assembly part 61 is parts of shell 6, is the component clamping selector fork 4 together with dunnage 5, is formed with the opening 611 inserting swing axis 7.
Swing axis 7 is formed with outside thread.As shown in Figures 1 and 2, clip nut 24 between swing axis 7 and assembly part 61, swing axis 7 is inserted in the opening 611 of assembly part 61 and the opening 521 of dunnage 5.And swing axis 7 is screwed together in the opening 521 of dunnage 5, bolt is carried out to dunnage 5 and assembly part 61 and fixes.By the oscillation center portion 52 of dunnage 5, swing axis 7 is inserted in the oscillation center hole 42 of selector fork 4, becomes the oscillation center of selector fork 4.
As shown in Figure 5, torsion spring 8 has 2 line parts 81,82 and curve part 83.The end of 2 line parts 81,82 is to the line part lateral bend of the opposing party.1st line part 81 inserts spring matching hole the 44,2nd line part 82 being matched with selector fork 4 and inserts the spring matching hole 53 being matched with dunnage 5.Torsion spring 8 applies power in mode selector fork 4 being remained on respectively position of readiness and car backing position.
Below, the assembling method of the gearshift 10 of present embodiment is described.First, in the oscillation center hole 42 of selector fork 4, insert the oscillation center portion 52 of dunnage 5.And, as shown in Figure 5, the 1st line part 81 of torsion spring 8 is inserted in the spring matching hole 44 of selector fork 4, the 2nd line part 82 is inserted in the spring matching hole 53 of dunnage 5.Next, make the gear auxiliary section 41 of the selector fork 4 of the selector fork 4 and dunnage 5 kept by torsion spring 8 one be matched with the engaged portion 32 of reverse idler 3, make the pin 23 of fork shaft 22 be matched with the pin matching hole 43 of selector fork 4.And, the opening 521 in the oscillation center hole 42 of selector fork 4 and the oscillation center portion 52 of dunnage 5 is alignd the opening 611 of assembly part 61 of shell 6, inserts swing axis 7 from assembly part 61 side.The swing axis 7 of insertion is made to be screwed together in the opening 521 in the oscillation center portion 52 of dunnage 5.When screwing togather, such as when dunnage 5 is positioned at the position represented with double dot dash line of Fig. 6, dunnage 5 is rotated on the sense of rotation X of swing axis 7, and the retainer 51 of dunnage 5 is connected to the inner face 62 of shell 6, tightens assembly part 61 and dunnage 5 securely.Its result, selector fork 4 rotatably remains on assembly part 61 (shell 6).The shell 6 that retainer 51 abuts is the positions differing from assembly part 61, is formed relative to assembly part 61 approximate right angle.And the component that retainer 51 abuts is not limited to shell 6, also can be fixed on the component on shell 6.
The gearshift 10 be assembled in as described above on shell 6 is as follows, moves in the axial direction according to gear shift operation fork shaft 22, selector fork 4 with swing axis 7 for oscillation center swings.And the reverse idler 3 being engaged in selector fork 4 slides from position of readiness to car backing position, be engaged in the reverse-drive gear be supported on input shaft and the reversing driven gear be supported on output shaft.
Effect
The shell 6 of the gearshift 10 of present embodiment is formed the assembly part 61 of formation parallel with the swaying direction of selector fork 4.When selector fork 4 being remained on swingably the structure on other components such as the bracket on shell 6, need the bolt component being used for being arranged on by bracket etc. on shell 6.When using bracket etc. when keeping selector fork 4 swingably, bracket and shell clamp selector fork 4, and bracket is the spline component when tightening swing axis 7, and bracket also can be the component coordinated by the other end of torsion spring 8.But gearshift 10 according to the present embodiment, the dunnage 5 be not bolted on shell 6 clamps selector fork 4 with shell 6 (assembly part 61), becoming the spline component when tightening swing axis 7, being coordinated by the other end of torsion spring 8.That is, the structure owing to being the assembly part 61 formed on shell 6 for keeping selector fork 4, therefore number of components reduces, and can realize low cost and lightweight.
In addition, with use bracket etc. and be assembled in by selector fork 4 compared with the situation on shell 6, the gearshift 10 of present embodiment can be assembled simply.First, when use bracket etc., the structure of bracket self seems complicated, needs to manufacture bracket cost.Especially, when Fig. 7 of one of existing gearshift, need the operation of roughly at right angles to curved bracket.And, be bolted and bracket is assembled on shell 6.The gearshift 10 of present embodiment is, keeping with torsion spring 8 dunnage 5 with under the state of selector fork 4, being bolted on shell 6 and completing setting with swing axis 7.Be 1 operation by the operation that bolt (swing axis 7) is tightened.And, owing to keeping dunnage 5 and selector fork 4 by torsion spring 8 till being bolted to assembly part 61, be therefore difficult to dispersion.Torsion spring 8 is also not only the parts for assembling, and is to selector fork 4 be remained on respectively position of readiness and car backing position and apply the component of power, not needing to remove after assembling, also do not waste after assembling.
Thus, the assembling method assembling the gearshift 10 of present embodiment is can be arranged on shell by gearshift 10 simply, can suppress cost.
Other mode of executions
Above, although be illustrated being suitable for embodiments of the present invention, the present invention is not limited to above-mentioned mode of execution.Such as, the outer shape of dunnage 5 is not limited to the shape shown in Fig. 4.In the gearshift 10 of present embodiment, by making dunnage 5 in the shape with bottom line function, thus have employed less shape to realize lightweight.

Claims (5)

1. the wheeled gearshift of slide teeth, have: reverse idler axle, axle is supported in the shell of gearbox, is listed in input shaft and output shaft; Reverse idler, is supported on this reverse idler axle in the axial direction slidably; And selector fork, there is the gear auxiliary section coordinated with described reverse idler,
Make according to gear shift operation described selector fork swing, described free gear slided in the axial direction, make the reverse-drive gear be supported on described input shaft and the reversing driven gear engagement be supported on described output shaft, it is characterized by,
Described shell keeps described selector fork swingably by retaining member, has the swaying direction being parallel to described selector fork and the assembly part formed,
And described selector fork and described retaining member torsion spring keep.
2. the wheeled gearshift of slide teeth according to claim 1, is characterized by,
Have swing axis linking member, it becomes the swing axis of the described selector fork between described retaining member and described assembly part, by clamping described selector fork by described retaining member and described assembly part and link,
Described retaining member becomes the spline component for described selector fork being remained on described assembly part.
3. an assembling method for the wheeled gearshift of slide teeth, is characterized by,
In the wheeled gearshift of the slide teeth described in claim 1 or 2,
Have: keep operation, keep described selector fork and described retaining member by torsion spring;
And shell setting process, make the gear auxiliary section of described selector fork be matched with described reverse idler, by swing axis linking member, the described retaining member kept with described torsion spring and described selector fork are arranged on the described assembly part of described shell.
4. the assembling method of the wheeled gearshift of slide teeth according to claim 3, is characterized by,
Described swing axis linking member is bolt component,
Described shell setting process is the operation by described bolt component, described retaining member being tightened to described assembly part.
5. the assembling method of the wheeled gearshift of slide teeth according to claim 4, is characterized by,
Described shell setting process is as follows, makes the retainer of described retaining member be connected to described shell, becomes and carries out by described swing axis linking member the spline component tightened.
CN201280022682.5A 2011-05-11 2012-05-11 The assembling method of the wheeled gearshift of slide teeth and the wheeled gearshift of slide teeth Expired - Fee Related CN103547842B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011106271A JP5836635B2 (en) 2011-05-11 2011-05-11 Selective sliding reverse shift device and assembly method of selective sliding reverse shift device
JP2011-106271 2011-05-11
PCT/JP2012/003099 WO2012153543A1 (en) 2011-05-11 2012-05-11 Selective slide type reverse shift device and method of assembling selective slide type reverse shift device

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CN103547842A CN103547842A (en) 2014-01-29
CN103547842B true CN103547842B (en) 2016-02-24

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JP (1) JP5836635B2 (en)
CN (1) CN103547842B (en)
BR (1) BR112013028262A2 (en)
WO (1) WO2012153543A1 (en)

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Publication number Priority date Publication date Assignee Title
CN104500726B (en) * 2014-11-28 2017-01-18 重庆华世丹机械制造有限公司 Spring positioning device for forward gear and reverse gear
CN112728075B (en) * 2020-12-31 2022-08-30 安徽骏瑞新能源科技有限公司 Rocker arm type gear shifting driving mechanism for AMT gearbox of electric vehicle

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JP3079458B2 (en) * 1993-07-30 2000-08-21 トヨタ自動車株式会社 Selective sliding gear
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CN101660605A (en) * 2008-08-29 2010-03-03 本田技研工业株式会社 Transmission of vehicle

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BR112013028262A2 (en) 2019-09-24
JP5836635B2 (en) 2015-12-24
JP2012237364A (en) 2012-12-06
WO2012153543A1 (en) 2012-11-15
CN103547842A (en) 2014-01-29

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