CN107023679B - Transmission gear mutual interlocking gear - Google Patents

Transmission gear mutual interlocking gear Download PDF

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Publication number
CN107023679B
CN107023679B CN201610064767.XA CN201610064767A CN107023679B CN 107023679 B CN107023679 B CN 107023679B CN 201610064767 A CN201610064767 A CN 201610064767A CN 107023679 B CN107023679 B CN 107023679B
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CN
China
Prior art keywords
lock groove
shift fork
mutual interlocking
locking part
interlocking gear
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Application number
CN201610064767.XA
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Chinese (zh)
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CN107023679A (en
Inventor
张和平
纪晓辉
周广
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Great Wall Motor Co Ltd
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Great Wall Motor Co Ltd
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Priority to CN201610064767.XA priority Critical patent/CN107023679B/en
Publication of CN107023679A publication Critical patent/CN107023679A/en
Application granted granted Critical
Publication of CN107023679B publication Critical patent/CN107023679B/en
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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
    • F16H63/34Locking or disabling mechanisms
    • F16H63/36Interlocking devices

Abstract

The present invention provides a kind of transmission gear mutual interlocking gears, the mutual interlocking gear acts between two shift fork axles be spatially arranged, with lock groove, guide part is included, is extended to by the lock groove of shift fork axle described in one of them at the lock groove of another shift fork axle;Mobile power transmission portion, setting is adapted to the guide part, and can move under external force along the guide part;Locking part, it is set as two, described two locking parts are separately positioned at two lock grooves, power transmitting cooperation is formed between each locking part and the mobile power transmission portion, and elastic force is applied, so as to form the elastic device of flexible contact cooperation each locking part and corresponding each lock groove to the locking part in being respectively equipped in each locking part.Transmission gear mutual interlocking gear of the present invention solves the problems, such as that existing mutual interlocking gear interlocking effect is poor.

Description

Transmission gear mutual interlocking gear
Technical field
The present invention relates to vehicle gear interlocking mechanism technology field, in particular to a kind of transmission gear mutual interlocking gear.
Background technique
With the continuous progress of technology, the type of speed changer is more and more, is roughly divided into two classes: manual transmission and automatic Speed changer is required to each gear shift fork axle and is realized by interlock but regardless of being manual transmission or automatic transmission Interlocking causes multipair gear prevent different shift fork axles while movement occurs while engaging, damages to speed changer.
In existing automatic transmission structure, it is mutual that the gear that between shift fork axle or odd number is kept off between shift fork axle is kept off for even number Lock, such as in usual structure, two shift fork between centers transmit power by quill, and when shift, one of shift fork axle is mobile, Power is transferred in another shift fork axle by quill, and another shift fork axle locking is realized gear interlocking by quill.It is tied In structure, due to the structure of quill, keep the interlocking effect of interlocking structure not good enough.
Summary of the invention
In view of this, the present invention is directed to propose a kind of transmission gear mutual interlocking gear, to solve the mutual of existing mutual interlocking gear Lock the problem of effect difference.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of transmission gear mutual interlocking gear, the mutual interlocking gear act on being spatially arranged, with lock groove Between two shift fork axles, comprising:
Guide part is extended to by the lock groove of shift fork axle described in one of them at the lock groove of another shift fork axle;
Mobile power transmission portion, setting is adapted to the guide part, and can move under external force along the guide part;
Locking part is set as two, and described two locking parts are separately positioned at two lock grooves, each locking part with Power transmitting cooperation is formed between the mobile power transmission portion, and elasticity is applied to the locking part in being respectively equipped in each locking part Power, so that between each locking part and corresponding each lock groove formed flexible contact cooperation elastic device;
When one of described locking part skids off the lock groove corresponding to it, another locking part is due to the effect in mobile power transmission portion Corresponding lock groove forms rigid contact cooperation.
Further, the guide part is extended to the lock of another shift fork axle by the lock groove of shift fork axle described in one of them Only the extension path at slot is curved shape or fold-line-shaped.
Further, transition face is formed between the bottom of Yu Suoshu lock groove and the shift fork axle outer surface.
Further, the guide part is the guide pipe that inside is formed with isometrical cavity, and two locking parts are split In the guide pipe both ends and form the closure at channel angular cavity both ends, the mobile power transmission portion is to be arranged in the cavity Interior multiple spheres being mutually arranged with gaps.
Further, the locking part is slidably to be embedded in the intracorporal pin of isometrical chamber.
Further, it is equipped with and the relatively-stationary mounting portion of vehicle, the guiding at two nozzles of Yu Suoshu guide pipe The head of pipe forms connected with the mounting portion, and the pin penetrates the mounting portion and Xiang Suoshu by guide pipe sliding Shift fork axle extends.
Further, the elastic device is arranged between the guide pipe and the mounting portion.
Further, the pin is equipped with the venthole being connected with the isometrical cavity.
Further, the venthole is that one end is connected to isometrical cavity, and the other end is connected the L-type of pin side surface.
Further, lubricating grease is filled between the sphere.
Compared with the existing technology, present invention has the advantage that
Transmission gear mutual interlocking gear of the present invention can act on being spatially arranged, with lock groove Between two shift fork axles, solve the problems, such as that existing mutual interlocking gear interlocking effect is poor.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is structural schematic diagram of the transmission gear mutual interlocking gear described in the embodiment of the present invention in shift;
Fig. 2 is structural schematic diagram of the transmission gear mutual interlocking gear in neutral gear described in the embodiment of the present invention;
Fig. 3 is the end enlarged drawing of mutual interlocking gear described in the embodiment of the present invention;
Fig. 4 is the cross-sectional view of locking part described in the embodiment of the present invention;
Description of symbols:
1- shift fork axle, 11- lock groove, the inclined-plane 12-, 2- guide part, the mobile power transmission portion 3-, 4- locking part, 41- venthole, 42- block head, 43- ontology, 44- locking head, 45- protruding portion, 5- mounting portion, 6- elastic device, 71- first connecting portion, 711- Boss, 72- second connecting portion, 721- notch, 73- hollow portion, 8- through-hole, 9- groove, 10- sleeve, 11- steel ball, 12- sleeve Axis.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase Mutually combination.
In addition, the flexibility being previously mentioned in an embodiment of the present invention, refers to the relationship of existing constraint or transmitting power, and can To there is a degree of relative displacement.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Transmission gear mutual interlocking gear of the present invention acts on being spatially arranged, two groups with lock groove Between fork shaft, overall structure includes guide part, mobile power transmission portion and locking part.
Wherein, guide part is extended to the lock groove of another shift fork axle by the lock groove of shift fork axle described in one of them Place;Mobile power transmission portion, setting is adapted to the guide part, and can move under external force along the guide part;Locking part, Two are set as, described two locking parts are separately positioned at two lock grooves, each locking part and the mobile power transmission portion Between formed power transmitting cooperation, in be respectively equipped in each locking part to the locking part apply elastic force, so that each locking The elastic device of flexible contact cooperation is formed between portion and corresponding each lock groove;It is skidded off corresponding to it in one of described locking part When lock groove, another locking part lock groove corresponding because of the effect in mobile power transmission portion forms rigid contact cooperation.
Based on design philosophy as above, in order to be suitable between spatially two shift fork axles 1 in arbitrary form arrangement, guiding The extension path that portion 2 is extended to by the lock groove 11 of shift fork axle 1 described in one of them at the lock groove 11 of another shift fork axle 1 is Curved shape or fold-line-shaped.As shown in Fig. 1 and Fig. 2, transmission gear mutual interlocking gear described in the present embodiment acted on two are dialled Fork shaft 1 is arranged in parallel and the center line of the two is overlapped.It is required to simplify structure, reduce production, and realizes preferable effect, In the present embodiment, guide part 2 is the guide pipe that inside is formed with isometrical cavity, and guide pipe is U-shaped as shown in the figure.To make this reality It applies mutual interlocking gear described in example and keeps relatively fixed with vehicle, be equipped with mounting portion 5, at two nozzles of guide pipe with wherein one For a mounting portion 5, mounting portion 5 is the plate structure being fixed in transmission case body, and the position of setting is mainly based upon two The setting position of a shift fork axle 1;It is limited by case of transmission space, it is external that above-mentioned mounting portion 5 can also be fixed on transmission case. In order to keep effect more preferable, as shown in figure 3, a reinforcement part is respectively fixedly connected at each mounting portion 5, reinforcement part is with split settings and mutually solid Even first connecting portion 71 and second connecting portion 72, be connected after space in formed hollow portion 73, be based on structure as above, first company Socket part 71 and mounting portion 5 are connected, and second connecting portion 72 and guiding tube head are connected, to keep connection effect more preferable, second connecting portion 72 are equipped with the notch 721 for guiding tube head insertion with the guiding tube head place of being connected, and first connecting portion 71 penetrates mounting portion 5 simultaneously Form the convex 711 that oriented shift fork axle 1 extends and exposes to mounting portion 5.
To simplify structure, it is easy to operate, be adapted to guide pipe setting mobile power transmission portion 3 for be arranged in isometrical cavity Multiple the being mutually arranged with gaps and sphere that matches with cavity internal diameter, sphere can be round, ellipse or other and chamber Internal diameter matching simultaneously can be along the shape that extension path moves.And the lock of force-fitting relationship is formed between above-mentioned mobile power transmission portion 3 Stop 4 then for the both ends for the guide pipe that is placed in and forms the closure at channel angular cavity both ends, for strengthening effect, locking part 4 To be slidably embedded in the intracorporal pin of isometrical chamber.Pin is penetrated mounting portion 5 from sliding at guide pipe and is extended to shift fork axle 1.For Keep effect more preferable, has both made to form flexible contact cooperation between pin and corresponding lock groove 11, also ensured that pin does not depart from locking Slot 11 is equipped between guide pipe and mounting portion 5 and applies elastic force to pin and pin flexible contact is made to be matched with the locking Elastic device 6 in slot 11, elastic device 6 are spring.
As shown in Figure 4, the specific structure of pin is that one end is equipped with block head 42, and the sliding of block head 42 is embedded in isometrical In cavity and channel angular cavity is formed and is blocked;The other end is equipped with the locking head 44 in embeddable lock groove 11;And penetrate hollow portion 73 and to shift fork axle 1 extend ontology 43.For the movement travel for limiting pin, preferable interlocking effect, the diameter of pin are realized Variable, specially pin is less than it in the diameter in hollow portion 73 and penetrates the diameter extended after hollow portion 73 to shift fork axle 1, and in It is equipped at diameter change on pin and is axially and symmetrically disposed along its ontology and is connected in the protruding portion 45 in hollow portion 73.At this point, Elastic device 6 is set between block head 42 and protruding portion 45.Be placed in guide pipe both ends plug structures it is identical, therefore it is above only One is described in detail.
The working principle of the embodiment of the present invention is as follows, and in neutral gear, each pin is embedded in corresponding lock groove 11, this When each pin flexible contact cooperation is formed with lock groove 11 under the action of elastic device 6 being arranged on;When shift, In a shift fork axle 1 move axially, when corresponding pin skids off corresponding lock groove 11, pin is pushed in guide pipe Sphere, by the movement between sphere, another column for power being transferred to by the extension path of guide pipe at another nozzle of guide pipe On pin, it is made to form rigid contact cooperation with corresponding lock groove 11.It slides into, skid off at lock groove 11 for convenience of locking part 4, Lock groove 11 is equipped with and is formed with transition face between 1 outer surface of its bottom and shift fork axle.And to avoid sphere in guide pipe Air pressure resistance is formed when mobile, pin is equipped with one end and is connected with isometrical cavity, the L that the other end is connected with pin side surface Type venthole 41;Or the one end that is connected from pin with isometrical cavity is penetrated through to the venthole 41 of its opposite end;Or other arrangement shapes The venthole 41 for being connected to isometrical cavity of formula.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Within mind and principle, any modification, equivalent replacement, improvement and so on, such as mobile power transmission portion 3, which could alternatively be, to be arranged isometrical The intracorporal fluid of chamber blocks the setting for corresponding to sealing blocking and removing venthole at this time;As locking part 4 can replace To be partially submerged into the intracorporal steel ball of isometrical chamber;Also as being not provided with applying pin the elasticity of elastic force between guide pipe and mounting portion Device 6, as long as the gap between the sphere that guarantee and cavity internal diameter match at this time can make pin and corresponding lock groove 11 Flexible contact cooperation can guarantee again and do not depart from lock groove 11, said circumstances should be included in protection scope of the present invention it It is interior.

Claims (8)

1. a kind of transmission gear mutual interlocking gear, it is characterised in that: the mutual interlocking gear act on it is being spatially arranged, have Between two shift fork axles (1) of lock groove (11), comprising:
Guide part (2) is extended to the lock of another shift fork axle (1) by the lock groove (11) of shift fork axle described in one of them (1) Only at slot (11);
Mobile power transmission portion (3) are adapted to setting with the guide part (2), and can move under external force along the guide part (2) It is dynamic;
Locking part (4) is set as two, and described two locking parts (4) are separately positioned at two lock grooves (11), each locking part (4) power transmitting cooperation is formed between the mobile power transmission portion (3), is respectively equipped on each locking part (4) to the locking part (4) apply elastic force, so as to form the elastic device of flexible contact cooperation between each locking part (4) and corresponding each lock groove (11) (6);
When one of described locking part (4) skids off lock groove (11) corresponding to it, another locking part (4) is because of mobile power transmission portion (3) effect and corresponding lock groove (11) forms rigid contact cooperation;The guide part (2) is that inside is formed with The guide pipe of diameter cavity, two locking parts (4) be placed in the guide pipe both ends and form channel angular cavity both ends Closure, the mobile power transmission portion (3) is the sphere of setting multiple mutual gap settings in the cavity;The lock Stop (4) is slidably to be embedded in the intracorporal pin of isometrical chamber.
2. transmission gear mutual interlocking gear according to claim 1, it is characterised in that: the guide part (2) is by wherein one The extension path at the lock groove (11) of another shift fork axle (1) is extended at the lock groove (11) of a shift fork axle (1) as song Linear or fold-line-shaped.
3. transmission gear mutual interlocking gear according to claim 1, it is characterised in that: the bottom of Yu Suoshu lock groove (11) Transition face (12) are formed between the shift fork axle (1) outer surface.
4. transmission gear mutual interlocking gear according to claim 1, it is characterised in that: two nozzles of Yu Suoshu guide pipe Place be equipped with the relatively-stationary mounting portion of vehicle (5), the head of the guide pipe and the mounting portion (5), which are formed, to be connected, described Pin is penetrated the mounting portion (5) from sliding at the guide pipe and is extended to the shift fork axle (1).
5. transmission gear mutual interlocking gear according to claim 4, it is characterised in that: elastic device (6) setting exists Between the guide pipe and the mounting portion (5).
6. transmission gear mutual interlocking gear according to claim 1, it is characterised in that: the pin be equipped with it is described etc. The venthole (41) that diameter cavity is connected.
7. transmission gear mutual interlocking gear according to claim 6, it is characterised in that: the venthole (41) is one end company Lead to isometrical cavity, the other end is connected the L-type of pin side surface.
8. transmission gear mutual interlocking gear according to claim 1, it is characterised in that: filled with lubrication between the sphere Rouge.
CN201610064767.XA 2016-01-30 2016-01-30 Transmission gear mutual interlocking gear Active CN107023679B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610064767.XA CN107023679B (en) 2016-01-30 2016-01-30 Transmission gear mutual interlocking gear

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Application Number Priority Date Filing Date Title
CN201610064767.XA CN107023679B (en) 2016-01-30 2016-01-30 Transmission gear mutual interlocking gear

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CN107023679B true CN107023679B (en) 2019-03-01

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114838126B (en) * 2022-06-07 2024-03-29 芜湖万里扬变速器有限公司 Gear interlocking mechanism for transmission and manual transmission assembly

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1269298A (en) * 1999-03-16 2000-10-11 大众汽车有限公司 Motion-stopping device
CN1536250A (en) * 2003-04-09 2004-10-13 丰田自动车株式会社 Gearshift control system and control method
EP1626209A1 (en) * 2004-08-09 2006-02-15 Getrag Ford Transmissions GmbH Shifting device with detent and interlock
CN102494129A (en) * 2011-12-19 2012-06-13 綦江齿轮传动有限公司 Self-locking and interlocking mechanism for cylindrical shell speed changer
CN103574022A (en) * 2012-08-03 2014-02-12 铃木株式会社 Switching device for a manual transmission

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090223317A1 (en) * 2006-06-27 2009-09-10 Borgwarner Inc. Gearshift Interlock

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1269298A (en) * 1999-03-16 2000-10-11 大众汽车有限公司 Motion-stopping device
CN1536250A (en) * 2003-04-09 2004-10-13 丰田自动车株式会社 Gearshift control system and control method
EP1626209A1 (en) * 2004-08-09 2006-02-15 Getrag Ford Transmissions GmbH Shifting device with detent and interlock
CN102494129A (en) * 2011-12-19 2012-06-13 綦江齿轮传动有限公司 Self-locking and interlocking mechanism for cylindrical shell speed changer
CN103574022A (en) * 2012-08-03 2014-02-12 铃木株式会社 Switching device for a manual transmission

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