CN103946592A - Gear shift cover for a motor vehicle transmission and a method for the production thereof - Google Patents
Gear shift cover for a motor vehicle transmission and a method for the production thereof Download PDFInfo
- Publication number
- CN103946592A CN103946592A CN201280057562.9A CN201280057562A CN103946592A CN 103946592 A CN103946592 A CN 103946592A CN 201280057562 A CN201280057562 A CN 201280057562A CN 103946592 A CN103946592 A CN 103946592A
- Authority
- CN
- China
- Prior art keywords
- gear shift
- cover
- lock section
- shift cover
- cover part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/031—Gearboxes; Mounting gearing therein characterised by covers or lids for gearboxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/032—Gearboxes; Mounting gearing therein characterised by the materials used
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
Abstract
Gear shift cover for a motor vehicle transmission comprising a locking region (2) and a covering region (1), wherein the locking region (2) is made from a metal material and the covering region (1) is made from a plastic.
Description
Technical field
The present invention relates to a kind of gear shift cover for transmission for vehicles as described in the preamble in claim 1 and method as claimed in claim 10.
Background technique
The known multiple gear shift cover for transmission for vehicles in the prior art.
The equal metallic material of all these gear shift covers is made into integration.Conventionally complete manufacture process by metal casting.
Thereupon, need manually complete the processing of this class gear shift cover, cost is high.Its defect is, the production time is long, and in artificial treatment, has the risk that produces error.Another defect by the known gear shift cover for transmission for vehicles of prior art is, due to metal gear shift cover make the weight of speed changer meaningless increase, cause the soaring of fuel consume.In addition, applied metal gear shift cover can produce the problem of contact corrosion between case of transmission and gear shift cover under certain condition.
In addition the known gear shift cover being made into integration by plastics also in the prior art.The defect of the gear shift cover being made into integration by plastics is, the lock sleeve of for example lock section can not be used as wedging ring, and this conventionally can have influence on again the high-effect property of gear shift cover and limit its using scope.
Summary of the invention
The object of the invention is, overcomes defect of the prior art and proposes a kind of gear shift cover for transmission for vehicles, and its remain unchanged weight reduction or raising quality, can manufacture and form more quickly and easily in addition.
In order to realize this object, the characteristic of claim 1 is proposed.
Be used for transmission for vehicles according to gear shift cover of the present invention.For vehicle, can consider whole land vehicles, aircraft and navigation at this.Gear shift cover is a part for transmission for vehicles, and it is placed on case of transmission and holds the bearing as shifting shaft.
Gear shift cover according to the present invention has lock section and cover part.
For example, lock section is used for holding or connects gear level or lock ball (depending on speed changer).Gear level generally forms by selector fork and around the switching section of shifting shaft setting.
Lock section according to the present invention is to be made up of metallic material.Due to its premium properties, preferably aluminium is as metallic material.It is advantageous that, in the situation that weight is lighter, robustness is higher.
Cover part is the part that gear shift cover is in reverse to gear level and lock section, and it is generally used for and holds speed change lever.According to the present invention, except holding speed change lever, cover part also has the perforation outwards being passed by speed changer for shifting shaft.This perforation need be suitable for holding seal ring, and sealing circle can make to form the end of shifting shaft and cover part airtight or liquid-tight when through shifting shaft.
According to the present invention, cover part is made up of plastics.Substantially, whether the problem of various plastics is to have and meets required robustness and the stability of respective members on cover part.Particularly preferably, adopt polyamide (PA), especially fibre-reinforced PA66.For other plastics, also can enumerate following plastics (but being not limited only to this) at this:
-polypropylene (PP)
-polyethylene (PE)
-polymethylmethacrylate (PMMA)
-acetate fibre (CA)
-acrylonitrile-butadiene-styrene (ABS) (ABS)
-polycarbonate (PC) (PC)
About last which kind of plastics, those skilled in the art's selection is depended in applicable final selection, chooses plastics in the situation that considering member requirement and coordinating with each transmission for vehicles.
In another embodiment according to the present invention, plastics are multi-component plastics or 2K plastics.There is at this part that component interweaves.This multi-component plastics can be made in so-called multicomponent method.This concrete representation case as become a part by different process in plastics in the processes such as soft or hard is compound.The advantage of multi-component plastics is, the sealing gasket that for example previously applies sealer filling at the higher seal ring of cover part downside installation cost or in by the region at flanged surface can be arranged together with cover part in multicomponent autofrettage.This can reduce costs and increase the service life the cycle.
In multicomponent method, there is multiple Shooting Technique, its common ground is to have two or more ejection assemblies, but the injection moulding machine of a matched moulds assembly of tool only.Injection unit needs co-ordination, but conventionally can separately control.Can and be sprayed onto the diverse location of apparatus by special nozzle ejection components.Plastics can be different plastics, but should have to each other certain adhesion, as PP and PE, PMMA and PS, CA and ABS or PC and ABS.
According to the present invention, lock section has for improving and the functional element of the connectivity of cover part.In particularly preferred embodiments, the cantilever for injection-molded plastic of functional element.By cantilevered construction become its self-locking part is given prominence to as corner angle, wherein corner angle have free space therein, thus cantilever in the time of injection molding by plastic wraps.At this, plastics form support body, and this support body is around a part for cantilever.Advantageously, between lock section and cover part, form and be simply firmly connected thus.This also means can the simple manufacture process of favourable formation.In another embodiment, functional element shows as convex shoulder, and this convex shoulder is given prominence to and can in the situation that being connected with cover part, be held by support body from suspension.
In another embodiment, the suspension of cantilever being arranged to cantilever self-locking part starts star-shapedly give prominence to and be configured to make the cover part can molding and forming.At this, starlike expression is pencil from the downward-sloping material sections of center of suspension, and it is outstanding from lock section that this material sections is 90 ° of angles substantially.It is advantageous that, in this starlike outstanding structure, be particularly conducive to the power transmission of carrying out from lock section to cover part.
In embodiment preferably, cover part also has the fixed hole on case of transmission.Fixed hole is the cylindrical perforations in surface, cover part normally.Fixed hole is suitable for holding as screw or other fastening pieces, and it is used for making cover part to be connected with other parts of case of transmission.
And also lining is introduced in fixed hole.At least two this linings are protruding by fixed hole, thereby described in the time that gear shift cover according to the present invention is placed on case of transmission, lining is engaged in the respective slot of case of transmission and makes thus gear shift cover ideal be placed in definitely the center of case of transmission, is conducive to thus realize simple accurate assembling.
In embodiment preferably, gear shift cover also has the suspension for locking member in lock section.For locking member, the gear level that can consider shifting shaft and be connected with shifting shaft at this.It is advantageous that, by main fastening and definite tolerance function set in a member (suspension).
In embodiment preferably, suspension has the matching hole for lock sleeve.Matching hole can make lock sleeve and suspension simply be connected and also be connected with lock section thus.
Can be arranged to according to the better manufacture method of gear shift cover of the present invention: first, by metallic material casting lock section, again machine flinishing is carried out in made lock section subsequently, finally cover part is injection-moulded on lock section.
Spray to cast process is a kind of method that is mainly used in process in plastics.Utilize the method can directly manufacture a large amount of suitable member and cost lower.To this, utilize injection machine various plastics can be plastified into injection portion and inject in injection moulding tool.At this, the validity obtaining is significantly higher than situation about for example making by metallic material.Thus, this advantage has also shortened the time of reprocessing, even also can needn't reprocess completely under certain condition.
Brief description of the drawings
Below with reference to the accompanying drawings and specific embodiments set forth other advantage of the present invention, feature and details.Represent these embodiments by multiple accompanying drawings.In the accompanying drawings,
Fig. 1 represents that gear shift cover according to the present invention is from view shown in oblique upper;
Fig. 2 represents that gear shift cover is as shown in Figure 1 from view shown in oblique below;
Fig. 3 represents the side view of an embodiment of lock section;
Fig. 4 represents the side view of another embodiment of lock section;
Fig. 5 represents that cover part is from the schematic diagram shown in oblique below.
Substantially, the feature in each accompanying drawing with same numeral and same reference numerals can be respectively with reference to content shown in other accompanying drawing, thereby without repeat the feature with respective figure mark in each accompanying drawing.Represent the different characteristic in each embodiment by different reference characters separately.
Embodiment
Fig. 1 represents gear shift cover S.This gear shift cover S is made up of cover part 1 and lock section 2.According to the present invention, cover part 1 is made of plastics.Lock section 2 is to be made up of metallic material.Metallic material is aluminium, magnesium, steel or common so-called organic metal plate normally.
In addition, in Fig. 1, also express cover part 1 and form socket 3.This socket 3 is used for supporting speed change lever (not shown), and this speed change lever is again for pre-shifting chute.
Gear shift cover S according to the present invention has socket 4 (as shown in Figure 1) in its cover part 1, and this socket 4 is around bearing hole 12 (as shown in Figure 3).
In addition, in Fig. 1, can find out, cover part 1 has fixed hole 5.1,5.2,5.3,5.4, and these fixed holes 5.1,5.2,5.3,5.4 can be fixed on cover part 1 on case of transmission (not shown), and thus gear shift cover S are fixed thereon.
Meanwhile, lock section 2 has the suspension 6 for locking member.Suspension 6 also has the matching hole 7 for lock sleeve (not shown).
Fig. 2 represents that gear shift cover S is as shown in Figure 1 from the schematic diagram shown in oblique below.In the drawings, except above-mentioned feature, also express sealing material 8, sealing material 8 can be made in multicomponent manufacture process.Sealing material 8 is for making gear shift cover S and case of transmission (not shown) form tight connection of sealing.
Fig. 3 is at the side view of this expression lock section 2.Lock section 2 has the functional element for connecting better cover part 1.At this, functional element shows as two cantilevers, 9,10 forms.Cantilever 9,10 holds free space 11.In manufacture process, this free space 11 is all or part of to be sprayed with plastics, thereby in the cover part 1 of a part of cantilever 9,10 in being made of plastics.In addition, in Fig. 3, also can know and find out formation bearing hole 12.
In Fig. 4, also represent another embodiment according to lock section 2 of the present invention.According to making lock section 2 be connected to another embodiment of the functional element of cover part 1, lock section 2 is characterised in that, do not adopt cantilever 9,10, and convex shoulder 13 is configured to the part of suspension 6, wherein in manufacture process, utilize plastic injection-moulded this convex shoulder 13 of sealing, thereby achieve a fixed connection between cover part 1 and lock section 2.
Finally, with reference to Fig. 5, represent the view shown in cover part 1 is below tiltedly at this.Except known and already described feature, also can find out support body 14, this support body 14 is for holding convex shoulder 13 as shown in Figure 4 or cantilever 9,10 as shown in Figure 3.
Label list
1, cover part
2, lock section
3, socket
4, socket
5, fixed hole
6, suspension
7, matching hole
8, sealing material
9, cantilever
10, cantilever
11, free space
12, bearing hole
13, convex shoulder
14, support body
Claims (10)
1. for a gear shift cover for transmission for vehicles, this gear shift cover is made up of a lock section (2) and a cover part (1),
It is characterized in that:
Described cover part (1) is made up of plastics, and described lock section (2) are made up of metallic material.
2. gear shift cover according to claim 1, is characterized in that: described plastics are multi-component plastics.
3. gear shift cover according to claim 1, is characterized in that: described lock section (2) have one for connecting better the functional element of described cover part (1).
4. gear shift cover according to claim 3, is characterized in that: described functional element is a cantilever for injecting formed plastic (9,10) or convex shoulder (13).
5. according to the gear shift cover described in arbitrary aforementioned claim, it is characterized in that: described cover part (1) comprises a socket for a speed change lever (3).
6. according to the gear shift cover described in arbitrary aforementioned claim, it is characterized in that: described cover part (1) has the perforation (4) of a bearing hole for a shifting shaft (12).
7. according to the gear shift cover described in arbitrary aforementioned claim, it is characterized in that: described cover part (1) has one for being fixed to the fixed hole (5.1,5.2,5.3,5.4) of a case of transmission.
8. according to the gear shift cover described in arbitrary aforementioned claim, it is characterized in that: described lock section (2) have one for connecting the suspension (6) of locking member.
9. gear shift cover according to claim 8, is characterized in that: described suspension (6) has the matching hole (7) of a bearing for described shifting shaft.
10. for the manufacture of according to a method of the gear shift cover described in any one in claim 1 to 9 (S), it is characterized in that following steps:
Cast described lock section (2) by a metallic material;
Lock section described in machining (2);
In cover part (1) described in lock section (2) upper injection moulding.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201110055799 DE102011055799A1 (en) | 2011-11-29 | 2011-11-29 | Shift cover for a motor vehicle transmission and a method for producing the same |
| DE102011055799.7 | 2011-11-29 | ||
| PCT/EP2012/073511 WO2013079414A1 (en) | 2011-11-29 | 2012-11-23 | Gear shift cover for a motor vehicle transmission and a method for the production thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103946592A true CN103946592A (en) | 2014-07-23 |
| CN103946592B CN103946592B (en) | 2017-03-08 |
Family
ID=47435876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280057562.9A Active CN103946592B (en) | 2011-11-29 | 2012-11-23 | Gear shift cover for transmission for vehicles and its manufacture method |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN103946592B (en) |
| DE (1) | DE102011055799A1 (en) |
| IN (1) | IN2014MN01032A (en) |
| WO (1) | WO2013079414A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6164041B2 (en) | 2013-10-22 | 2017-07-19 | スズキ株式会社 | Manual transmission shift device |
| DE102014200811B4 (en) * | 2014-01-17 | 2016-11-24 | Schaeffler Technologies AG & Co. KG | Selector lever assembly for a manual transmission |
| DE102015102979A1 (en) | 2015-03-02 | 2016-09-08 | Koki Technik Transmission Systems Gmbh | Switch cover for a motor vehicle transmission |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0582804A1 (en) * | 1992-08-10 | 1994-02-16 | Volkswagen Aktiengesellschaft | Shifting mechanism for a transmission |
| EP1063405A2 (en) * | 1999-06-23 | 2000-12-27 | Mannesmann VDO Aktiengesellschaft | Housing for a load control device |
| CN2487922Y (en) * | 2001-05-28 | 2002-04-24 | 蔡昌社 | Rotating speed display speed-regulating cap for stepless speed change device |
| CN2787936Y (en) * | 2004-12-31 | 2006-06-14 | 东风汽车公司 | Transmission rear end sealing cover |
| DE102007045652A1 (en) * | 2007-09-25 | 2009-04-02 | Schaeffler Kg | Switch dome with plastic switch cover |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005010001A1 (en) * | 2004-05-06 | 2005-12-29 | Volkswagen Ag | Manual gear shift assembly, for a motor vehicle gearbox, has a plastics holder for the gear shift stick with an additional reverse gear shift release unit integrated into it during injection molding in a single stage |
| DE102008061893A1 (en) * | 2008-12-11 | 2010-06-17 | Schaeffler Kg | Switching arrangement for manual transmission in motor vehicle, has shift gear dome housing, shifter shaft, which is mounted in shift gear dome housing in tilted or adjustable manner |
-
2011
- 2011-11-29 DE DE201110055799 patent/DE102011055799A1/en active Pending
-
2012
- 2012-11-23 WO PCT/EP2012/073511 patent/WO2013079414A1/en active Application Filing
- 2012-11-23 CN CN201280057562.9A patent/CN103946592B/en active Active
- 2012-11-23 IN IN1032MUN2014 patent/IN2014MN01032A/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0582804A1 (en) * | 1992-08-10 | 1994-02-16 | Volkswagen Aktiengesellschaft | Shifting mechanism for a transmission |
| EP1063405A2 (en) * | 1999-06-23 | 2000-12-27 | Mannesmann VDO Aktiengesellschaft | Housing for a load control device |
| CN2487922Y (en) * | 2001-05-28 | 2002-04-24 | 蔡昌社 | Rotating speed display speed-regulating cap for stepless speed change device |
| CN2787936Y (en) * | 2004-12-31 | 2006-06-14 | 东风汽车公司 | Transmission rear end sealing cover |
| DE102007045652A1 (en) * | 2007-09-25 | 2009-04-02 | Schaeffler Kg | Switch dome with plastic switch cover |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013079414A1 (en) | 2013-06-06 |
| DE102011055799A1 (en) | 2013-05-29 |
| IN2014MN01032A (en) | 2015-05-01 |
| CN103946592B (en) | 2017-03-08 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |