CN102748466A - Gear interlocking mechanism of six-gear transmission gear box - Google Patents

Gear interlocking mechanism of six-gear transmission gear box Download PDF

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Publication number
CN102748466A
CN102748466A CN2012102216020A CN201210221602A CN102748466A CN 102748466 A CN102748466 A CN 102748466A CN 2012102216020 A CN2012102216020 A CN 2012102216020A CN 201210221602 A CN201210221602 A CN 201210221602A CN 102748466 A CN102748466 A CN 102748466A
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China
Prior art keywords
declutch shift
shift shaft
annular groove
declutch
interlock board
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CN2012102216020A
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Chinese (zh)
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CN102748466B (en
Inventor
王传金
李威
章金乐
武红超
陈峥光
贾玉灵
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Great Wall Motor Co Ltd
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Great Wall Motor Co Ltd
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Publication of CN102748466A publication Critical patent/CN102748466A/en
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Publication of CN102748466B publication Critical patent/CN102748466B/en
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Abstract

The invention relates to a gear interlocking mechanism of a six-gear transmission gear box. The gear interlocking mechanism comprises a shift rail group spatially arranged in parallel, wherein the shift rail group comprises four shift rails capable of sliding axially and an interlocking plate (20); a ring slot (18) coaxially arranged with each shift rail is arranged on an outer cylindrical surface of each shift rail; the interlocking plate (20) is provided with an inner ring part (21) containing the shift rail group; the inner ring part (21) comprises clamping parts with the number being corresponding to the number of the shift rails and matched with the ring slots of the shift rails respectively; and when all the shift rails are not moved axially, each clamping part is clamped in a respective corresponding ring slot (18) at intervals, and when one shift rail is axially moved so as to separate the clamping part corresponding to the shift rail from the ring slot (18), clearances between the clamping parts corresponding to the other shift rails and the corresponding ring slots (18) are decreased, so that the movement of the other shift rails is limited, and the aim of interlocking is achieved.

Description

Six shift transmission gear mutual interlocking gears
Technical field
The present invention relates to a kind of vehicle gear mutual interlocking gear, relate in particular to a kind of six shift transmission gear interlocks.
Background technique
[0002] each gear declutch shift shaft of transmission for vehicles will be realized interlocking through mutual interlocking gear, causes to prevent different declutch shift shafts from action taking place simultaneously many power shift gear to be meshed simultaneously, and then speed changer is caused damage.Existing mutual interlocking gear is on adjacent declutch shift shaft, corresponding grooves to be set, and the slide bar that can slide is set then, when one of them declutch shift shaft is twitched between two declutch shift shafts; It pushes slide bar in the groove of adjacent declutch shift shaft, thereby adjacent declutch shift shaft is locked, and this structure is higher to the requirement on machining accuracy of slide bar; And retreat six shift transmissions of retaining for one of six forward gear, owing to have four declutch shift shafts, realize that the interlockings simultaneously of four declutch shift shafts will make mutual interlocking gear become very complicated through slide bar; Simultaneously; Existing structure will make complex structure and is difficult to arrange that the action of interlocking simultaneously is unreliable when the declutch shift shaft apart from each other.
Summary of the invention
For solving the deficiency that exists in the existing technology, the invention provides a kind of six shift transmission gear mutual interlocking gears, it is simple in structure, under the situation of declutch shift shaft apart from each other, can realize the interlocking of four declutch shift shafts equally easily.
For realizing above-mentioned purpose; Six shift transmission gear mutual interlocking gears of the present invention; Comprise the declutch shift shaft group that space parallel is provided with; This declutch shift shaft group comprises four declutch shift shafts in axial sliding; Be equipped with the annular groove with this declutch shift shaft coaxial arrangement on the outer cylinder of every declutch shift shaft, it is characterized in that: comprise that also this interlock board has the internal ring portion that holds this declutch shift shaft group perpendicular to this declutch shift shaft group setting and the interlock board that can be free to slide; Internal ring portion comprises a plurality of inserted parts corresponding with declutch shift shaft quantity and that cooperate with the annular groove of said declutch shift shaft respectively; Said inserted part has the inserted part of the annular groove that snaps in corresponding declutch shift shaft with gap respectively in the lateral direction of declutch shift shaft group, when wherein a declutch shift shaft is made the inserted part corresponding with this declutch shift shaft separate with annular groove by twitch, and inserted part that all the other declutch shift shafts are corresponding and the gap smaller between the corresponding annular groove.
As to qualification of the present invention, said each inserted part is intersected along first moving direction and with the clamping limit that the second perpendicular moving direction of this first moving direction is extended respectively by two and is formed.
As to qualification of the present invention, said first moving direction is the length direction of interlock board, and second moving direction is the width direction of interlock board.
As to qualification of the present invention, on interlock board, be provided with the opening portion of its outer edge surface of connection and internal ring portion.
As to qualification of the present invention, on internal ring portion, be provided with the arcuate segment of the indent of dodging the gearshift axle.
As to qualification of the present invention, be provided with the attachment hole of two perforations in the interlock board upper-end surface.
As to qualification of the present invention, declutch shift shaft is provided with by chamfering or the fillet of its outer cylinder to the annular groove transition.
Adopt technique scheme, its effect is following:
1, when twitching any declutch shift shaft; Interlock board is made the annular groove of its excess-three root declutch shift shaft and the gap between the inserted part on the interlock board reduce by drive; Thereby limited the motion of all the other declutch shift shafts; Because interlock board is rigid construction, equally can action message under the situation of declutch shift shaft apart from each other, reached the purpose of interlocking;
2, formation is intersected with two perpendicular clamping limits in the inserted part, and it is simple in structure, is easy to make, and is convenient to improve the quality of fit of inserted part and annular groove;
3, the length and the width direction of two of the inserted part moving direction and interlock board adapt, and can reduce difficulty of processing;
4, opening portion is set on the interlock board and can makes between interlock board and the declutch shift shaft assembling easily;
5, can be connected interlock board on the case of transmission easily in that attachment hole is set on the interlock board;
6, chamfering or the transition of fillet phase annular groove are set on declutch shift shaft, help clamping limit group and in chute, slip into and skid off.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further to specify:
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of interlock board of the present invention;
Fig. 3 is the schematic representation of six shift transmission gear mutual interlocking gears of the present invention when neutral;
Fig. 4 is the schematic representation of six shift transmission gear mutual interlocking gears of the present invention when five retainings.
Among the figure: 11, one or two retaining declutch shift shafts; 12, three or four retaining declutch shift shafts; 13, five or six retaining declutch shift shafts; 14, back fork axle; 18, annular groove; 20, interlock board; 21, internal ring portion; 22, opening portion; 23, arcuate segment; 24, attachment hole; 251, the first horizontal clamping limit; 252, the second horizontal clamping limit; 253, the 3rd horizontal clamping limit; 254, the 4th horizontal clamping limit; 256, first vertical clamping limit; 257, second vertical clamping limit; 258, the 3rd vertical clamping limit; 259, the 4th vertical clamping limit; 261, first inserted part; 262, second inserted part; 263, the 3rd inserted part; 264, the 4th inserted part; 50, gearshift axle.
Embodiment
Extremely shown in Figure 3 like Fig. 1; Six shift transmission gear mutual interlocking gears of the present invention; Comprise the declutch shift shaft group of space parallel setting and the interlock board 20 that matches with this declutch shift shaft group; Wherein, The declutch shift shaft group by four in axial sliding declutch shift shaft form, be respectively one or two retaining declutch shift shafts 11,34 retaining declutch shift shafts, 12,56 retaining declutch shift shaft 13 and back fork axles 14, these declutch shift shafts can be stirred in the speed changer change output speed with the corresponding speed change gear engagement of each gear down in the drive of gearshift axle 50.On the outer cylinder of every declutch shift shaft, all be provided with the annular groove 18 of this declutch shift shaft coaxial arrangement and by fillet or the chamfering of outer cylinder to annular groove 18 transition.
Interlock board 20 is a plate-like structure; It has the attachment hole 24 of two perforations; Be used for being connected with case of transmission; Interlock board 20 is pushed down to be connected on the case of transmission gently less than the bolt in attachment hole 24 apertures with nominal diameter, can be made this interlock board 20 can be, but can not on its axial direction, move freely the sliding in the radial direction of attachment hole 24.This interlock board 20 is set to the declutch shift shaft group perpendicular, and it just can only be free to slide on the direction perpendicular to each declutch shift shaft like this, and the thickness of slab of interlock board 20 is chosen as suitable thickness, and it can be entered in the annular groove 18.
Interlock board 20 is provided with an internal ring portion 21 that holds the declutch shift shaft group; It is in the approximate mid-section position of interlock board 20; Be used for declutch shift shaft group inclusion; The internal face of the part area of internal ring portion 21 forms the inserted part in the annular groove 18 that can snap in declutch shift shaft, and the quantity of inserted part is identical with the quantity of declutch shift shaft, and these inserted parts ability actings in conjunction are on the annular groove 18 of each declutch shift shaft.All there is not when moving axially at each declutch shift shaft; Just be in initial neutral gear position and the annular groove 18 that makes each declutch shift shaft each other during alignment when speed changer; These inserted parts can snap in respectively from the outside of declutch shift shaft group the corresponding annular groove 18; And has certain clearance between the bottom land of each inserted part and the annular groove 18 that is mated; Wherein, the outside of declutch shift shaft group is the zone outside the inboard with the declutch shift shaft group, and the inboard of declutch shift shaft group refers to the axis surround of four declutch shift shafts in the zone that has limited area in the radial direction.Thus, can combine with annular groove 18 in the outside of declutch shift shaft group, can carry out special setting the shape of inserted part in order to make each inserted part.
Particularly, these inserted parts are intersected along the clamping limit that the width direction that is length direction and the interlock board 20 of interlock board 20 extends respectively by two and are formed.Further, what match with one or two retaining declutch shift shafts 11 is first inserted part 261, and it is by first vertical clamping limit 256 and the first horizontal clamping limit, 251 crossing forming; What match with three or four retaining declutch shift shafts 12 is the second clamping limit 262, and it is by the second horizontal clamping limit 252 and the 3rd vertical clamping limit 258 crossing forming; What match with five or six retaining declutch shift shafts 13 is the 3rd inserted part 263, and it is by the 4th horizontal clamping limit 254 and the 4th vertical clamping limit 259 crossing formation; What match with back fork axle 14 is the 4th inserted part 264, and it is by the 3rd horizontal clamping limit 253 and the second horizontal clamping limit, 257 crossing formation.
Motion with five or six retaining declutch shift shafts 13 shown in Figure 4 is that example is explained working procedure of the present invention; Before five or six retaining declutch shift shafts 13 are twitched; Speed changer is in the neutral gear position of Fig. 3; This moment, each clamping limit all can be positioned at the annular groove 18 of declutch shift shaft group, had certain clearance between the bottom land of clamping limit and annular groove 18, twitch five or six keep off declutch shift shafts 13 after; The annular groove 18 at these five or six retaining declutch shift shaft 13 places produces axial motions, thereby skids off annular groove 18 with the 4th horizontal clamping limit 254 that this annular groove 18 combines with the 4th vertical clamping limit 259 and contact on the outer cylinder of this declutch shift shaft.At this moment; Interlock board 20 receives impetus and produces mobile; Drive remaining inserted part to the declutch shift shaft of correspondence near; Thereby reduced the gap between these inserted parts and the corresponding annular groove 18, made all the other declutch shift shafts can't push interlock board 20 open and move, thereby realized the interlocking between each declutch shift shaft.When the declutch shift shaft work of other gears, the effect of generation and five or six retaining declutch shift shafts 13 are similar.
On internal ring portion 21, also be provided with the arcuate segment 23 of the indent of dodging gearshift axle 50; So that gearshift axle 50 can be arranged freely; On interlock board 20, also offered an opening portion 22 that is communicated with its outer edge surface and internal ring portion 21, so that when assembling interlock board 20, can fast interlock board 20 be enclosed within on the declutch shift shaft group.

Claims (6)

1. shift transmission gear mutual interlocking gear; Comprise the declutch shift shaft group that space parallel is provided with; This declutch shift shaft group comprises four declutch shift shafts in axial sliding; Be equipped with annular groove (18) on the outer cylinder of every declutch shift shaft with this declutch shift shaft coaxial arrangement; It is characterized in that: comprise that also this interlock board (20) has the internal ring portion (21) that holds this declutch shift shaft group perpendicular to this declutch shift shaft group setting, the interlock board (20) that can be free to slide along the direction perpendicular to each declutch shift shaft, internal ring portion (21) comprises inserted part corresponding with declutch shift shaft quantity and that cooperate with the annular groove of said declutch shift shaft respectively; All there is not when moving axially at each declutch shift shaft; Described each inserted part snaps in each self-corresponding annular groove (18) with a gap; Declutch shift shaft moves axially and makes the inserted part corresponding with this declutch shift shaft and annular groove (18) when separating therein, inserted part that all the other declutch shift shafts are corresponding and the gap smaller between the corresponding annular groove (18).
2. six shift transmission gear mutual interlocking gears according to claim 1 is characterized in that: each inserted part is intersected along the clamping limit that interlock board (20) length direction and width direction are provided with respectively by two and is formed.
3. six shift transmission gear mutual interlocking gears according to claim 1 and 2 is characterized in that: the opening portion (22) that on interlock board (20), is provided with its outer edge surface of connection and internal ring portion (21).
4. six shift transmission gear mutual interlocking gears according to claim 1 is characterized in that: the arcuate segment (23) that on internal ring portion (21), is provided with the indent of dodging gearshift axle (50).
5. six shift transmission gear mutual interlocking gears according to claim 1 is characterized in that: the attachment hole (24) that is provided with two perforations in interlock board (20) upper-end surface.
6. six shift transmission gear mutual interlocking gears according to claim 1 is characterized in that: declutch shift shaft is provided with by chamfering or the fillet of its outer cylinder to annular groove (18) transition.
CN201210221602.0A 2012-06-30 2012-06-30 Gear interlocking mechanism of six-gear transmission gear box Active CN102748466B (en)

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CN102748466B CN102748466B (en) 2015-05-27

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104006156A (en) * 2014-05-30 2014-08-27 长城汽车股份有限公司 Gear interlocking device of automobile transmission control mechanism
CN104373593A (en) * 2014-10-31 2015-02-25 东风商用车有限公司 Gearbox gear interlocking structure
CN104595429A (en) * 2015-01-28 2015-05-06 赣州经纬科技股份有限公司 Transversely-arranged front-driving six-speed manual transmission assembly
CN108413030A (en) * 2018-05-02 2018-08-17 圣加仑汽车工程技术（上海）有限公司 A kind of gear tripper
CN109654222A (en) * 2018-12-29 2019-04-19 綦江齿轮传动有限公司 Shifter of transmission

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1601048A (en) * 1926-01-26 1926-09-28 Brown Lipe Gear Co Shifting-rod lock for transmission gearing
EP0748966A1 (en) * 1995-06-16 1996-12-18 Société Anonyme dite: REGIE NATIONALE DES USINES RENAULT Locking device for mechanical gearbox
US20080127760A1 (en) * 2004-06-26 2008-06-05 Thomas John Gear Box Arrangement with a Gear-Shifting Element Safety Device for Preventing the Engagement of Multiple Gears of a Gearbox
CN202215730U (en) * 2011-07-29 2012-05-09 长城汽车股份有限公司 Automobile shift interlocking device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1601048A (en) * 1926-01-26 1926-09-28 Brown Lipe Gear Co Shifting-rod lock for transmission gearing
EP0748966A1 (en) * 1995-06-16 1996-12-18 Société Anonyme dite: REGIE NATIONALE DES USINES RENAULT Locking device for mechanical gearbox
US20080127760A1 (en) * 2004-06-26 2008-06-05 Thomas John Gear Box Arrangement with a Gear-Shifting Element Safety Device for Preventing the Engagement of Multiple Gears of a Gearbox
CN202215730U (en) * 2011-07-29 2012-05-09 长城汽车股份有限公司 Automobile shift interlocking device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104006156A (en) * 2014-05-30 2014-08-27 长城汽车股份有限公司 Gear interlocking device of automobile transmission control mechanism
CN104373593A (en) * 2014-10-31 2015-02-25 东风商用车有限公司 Gearbox gear interlocking structure
CN104595429A (en) * 2015-01-28 2015-05-06 赣州经纬科技股份有限公司 Transversely-arranged front-driving six-speed manual transmission assembly
CN108413030A (en) * 2018-05-02 2018-08-17 圣加仑汽车工程技术（上海）有限公司 A kind of gear tripper
CN109654222A (en) * 2018-12-29 2019-04-19 綦江齿轮传动有限公司 Shifter of transmission
CN109654222B (en) * 2018-12-29 2024-02-13 綦江齿轮传动有限公司 Transmission shift mechanism

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