CN202952854U - Gear and rack locking mechanism - Google Patents
Gear and rack locking mechanism Download PDFInfo
- Publication number
- CN202952854U CN202952854U CN2012205879609U CN201220587960U CN202952854U CN 202952854 U CN202952854 U CN 202952854U CN 2012205879609 U CN2012205879609 U CN 2012205879609U CN 201220587960 U CN201220587960 U CN 201220587960U CN 202952854 U CN202952854 U CN 202952854U
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- Prior art keywords
- rack
- gear
- swinging strut
- transmission gear
- strut axle
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Abstract
The utility model relates to a gear and rack locking mechanism which can be arranged in a handrail sliding and turnover device of a vehicle instrument board which is provided with a sliding component, a non-sliding component and a turnover stop structure. The gear and rack locking mechanism comprises a drive rack, a rotary support shaft, a transmission gear, a rack lock bar and a torsion spring, wherein the drive rack is fixedly connected with the sliding component, the rotary support shaft is fixedly connected with the non-sliding component, the transmission gear is sleeved on the outer edge of the rotary support shaft and is matched with the drive rack in a meshed mode, the rack lock bar is connected with the non-sliding component in a movable mode and is opposite to the movement direction of the drive gear, the rack lock bar comprises a first tooth portion and a spring bolt, the first tooth portion is matched with the transmission gear in a meshed mode, the spring bolt is used for being abutted against the turnover stop structure, one end of the torsion spring is fixedly connected with the non-sliding component, and the other end of the torsion spring is fixedly connected with the transmission gear. The gear and rack locking mechanism can avoid the situation that a handrail turns over and is opened in a sliding and extending state so that the load of the turnover stop structure of the handrail is overlarge and the turnover stop structure becomes invalid and is damaged.
Description
Technical field
The utility model relates to a kind of rack-and-gear lockable mechanism that is applicable to Automobile Dashboard handrail slip turning device.
Background technology
Automobile Dashboard can be installed the arm assembly part according to the demand of difference configuration, for driver or occupant provide a putting position that elbow is comfortable.Some handrail design have sliding function, can enlarge occupant's Applicable scope; But its total length of handrail that increases range of use has also increased, therefore, intensity for handrail self has had harsher requirement, especially is turned to maximum angle after handrail slides into ultimate range again, and this moment is very high to the requirement of the upset bit-stopping structure bearing load of handrail.In order to prevent this bit-stopping structure damage inactivation, usually can realize by three kinds of approach: the sliding stroke that, reduces handrail; Two, the higher material of working strength; Three, the better structure of design strength.But such scheme has shortcoming separately: one, sacrificed range of use, weakened the function of sliding; Two, increased cost; Three, may take up room and limit moulding.
The utility model content
The problem that exists in order to solve above-mentioned prior art, the utility model aims to provide a kind of rack-and-gear lockable mechanism, open to prevent from overturning under handrail slip extension state, cause handrail upset bit-stopping structure load excessive, the situation of the bit-stopping structure failure damage that causes overturning occurs.
A kind of rack-and-gear lockable mechanism described in the utility model, this mechanism be arranged on have slide assemblies, non-slide assemblies and the upset bit-stopping structure Automobile instrument handrail slip turning device in, described mechanism comprises:
The active tooth bar of captiveing joint with described slide assemblies;
The swinging strut axle of captiveing joint with described non-slide assemblies;
Be set in described swinging strut axle outer rim and with the transmission gear of described active tooth bar engagement fit;
Be flexibly connected with described non-slide assemblies and the tooth bar locking bar opposite with described active tooth bar sense of motion, it comprises with the first tooth section of described transmission gear engagement fit and is used for conflicting the dead bolt of described upset bit-stopping structure; And
Torsion spring, the one end is captiveed joint with described non-slide assemblies, and the other end is captiveed joint with described transmission gear.
In above-mentioned rack-and-gear lockable mechanism, described active tooth bar comprises the second tooth section with described transmission gear engagement fit, and the number of teeth of described the second tooth section is less than the number of teeth of described the first tooth section.
In above-mentioned rack-and-gear lockable mechanism, described torsion spring comprises body section and is connected to U-shaped extension and the L shaped extension at this body section two ends, and captive joint with described transmission gear in described U-shaped extension, captives joint with described non-slide assemblies in described L shaped extension.
In above-mentioned rack-and-gear lockable mechanism, a side end face of described transmission gear is provided with the groove of captiveing joint with described U-shaped extension.
In above-mentioned rack-and-gear lockable mechanism, the two ends outer rim of described swinging strut axle is respectively equipped with taper grab and the T shape positioning bar that is connected to limit this swinging strut axle longitudinal travel with described non-slide assemblies.
In above-mentioned rack-and-gear lockable mechanism, the quantity of described T shape positioning bar is two, and these two T shape positioning bars are symmetricly set on an end outer rim of described swinging strut axle along the axis of described swinging strut axle.
In above-mentioned rack-and-gear lockable mechanism, the two ends outer rim of described swinging strut axle is respectively equipped with one and is connected to limit the radially rectangle positioning bar of displacement of this swinging strut axle with described non-slide assemblies.
In above-mentioned rack-and-gear lockable mechanism, described two rectangle positioning bars are symmetricly set on the two ends outer rim of described swinging strut axle along the axis of described swinging strut axle.
In above-mentioned rack-and-gear lockable mechanism, the position of the close described taper grab of the outer rim of described swinging strut axle is symmetrically arranged with along the axis of described swinging strut axle the triangle grab that fixes in the axis through-hole of described transmission gear.
In above-mentioned rack-and-gear lockable mechanism, the inwall of the axis through-hole of described transmission gear is provided with the stop bit muscle, and the outer rim of described swinging strut axle be provided with a described triangle grab in abutting connection with and prop up the plane of orientation of described stop bit muscle.
Owing to having adopted above-mentioned technical solution, the utility model makes the tooth bar locking bar opposite with the slide assemblies sense of motion of handrail by active tooth bar and transmission gear, thereby after handrail is slided, tooth bar locking bar and bit-stopping structure are conflicted, and then stoping handrail to overturn under sliding mode, the bit-stopping structure failure damage effectively prevents from overturning.The utility model compared with prior art, and is simple in structure, neither affects the sliding function of handrail, reduced again the requirement for design space and part material.
Description of drawings
Fig. 1 is the schematic diagram of a kind of rack-and-gear lockable mechanism of the utility model;
Fig. 2 is the decomposing schematic representation of a kind of rack-and-gear lockable mechanism of the utility model;
Fig. 3 is the structural representation of the utility model middle rack locking bar;
Fig. 4 is the structural representation of torsion spring in the utility model;
Fig. 5 is the structural representation of transmission gear in the utility model;
Fig. 6 is the structural representation of swinging strut axle in the utility model;
Fig. 7 is the structural representation of the utility model when initial condition;
Fig. 8 is the structural representation of the utility model when the critical conditions that transmission gear and active tooth bar are separated.
The specific embodiment
Below in conjunction with accompanying drawing, provide preferred embodiment of the present utility model, and be described in detail.
See also Fig. 1-Fig. 8, the utility model, namely, a kind of rack-and-gear lockable mechanism, this mechanism be arranged on have the slide assemblies (not shown), in the Automobile instrument handrail slip turning device of non-slide assemblies (not shown) and upset bit-stopping structure 6, this mechanism comprises tooth bar locking bar 1, torsion spring 2, transmission gear 3, swinging strut axle 4 and tooth bar 5 initiatively.
Tooth bar locking bar 1 is flexibly connected by buckle (not shown) and non-slide assemblies, and opposite with active tooth bar 5 sense of motions, tooth bar locking bar 1 comprises and the first tooth section 11 of transmission gear 3 engagement fit and the dead bolt 12 of the bit-stopping structure 6 that overturns for conflicting, wherein, the number of teeth of the first tooth section 11 is more than the number of teeth of the second tooth section 51.
The utility model is when assembling, at first transmission gear 3, torsion spring 2 are assembled on non-slide assemblies by swinging strut axle 4, transmit torsion spring power on the groove 31 that U-shaped extension 22 on torsion spring 2 is fixed on transmission gear 3, L shaped extension 21 on torsion spring 2 is fixed on non-slide assemblies, with the fixing position of torsion spring 2; Then tooth bar locking bar 1 is connected on non-slide assemblies by buckle, guarantees the sliding function of tooth bar locking bar 1 and make simultaneously tooth engaged transmission on the first tooth section 11 and transmission gear 3 on tooth bar locking bar 1, guarantee the relative position of tooth bar locking bar 1 and transmission gear 3; Refill other parts of joining handrail, assembling at last is the part at tooth bar 5 places initiatively, guarantees tooth engagement and their relative position on active tooth bar 5 and transmission gear 3.
Principle of work of the present utility model is as follows:
The handrail closed condition: tooth bar locking bar 1 and active tooth bar 5 are meshed with transmission gear 3 respectively, and torsion spring 2 is in Pre strained state.
The handrail sliding mode: handrail begins to slide left, initiatively tooth bar 5 slides and slides left with handrail as the part of handrail slide assemblies, be with simultaneously nutating gear 3 clickwises, then driving tooth bar locking bar 1 slides to the right, the the first tooth section 11 that is less than tooth bar locking bar 1 due to the number of teeth of the second tooth section 51 on active tooth bar 5, so when tooth bar 5 initiatively slided into the second tooth section 51 and is separated with transmission gear 3, handrail slided again, also can't drive tooth bar locking bar 1 again.At this moment, tooth bar locking bar 1 does not also arrive control position (when namely satisfying the handrail upset, dead bolt 12 can snap into the requirement of upset bit-stopping structure 6), transmission gear 3 is rotated further under the effect of torsion spring 2, guarantees that tooth bar locking bar 1 reaches control position, and the occupant is the adjustable handrail sliding distance according to demand.At this moment, when upwards overturning handrail, can conflict with the upset bit-stopping structure 6 on aux. fascia panel because of the dead bolt 12 of tooth bar locking bar 1, and make handrail can't continue upset.
Handrail rollover states: if want handrail to open fully, must first the handrail reverse slide be arrived off position, make the second tooth section 51 on tooth bar 5 initiatively again be meshed with transmission gear 3, thereby drive tooth bar locking bar 1 and slide into initial condition left, handrail more upwards overturns this moment, the dead bolt 12 of tooth bar locking bar 1 no longer with aux. fascia panel on upset bit-stopping structure 6 conflict, thereby handrail can be overturn smoothly.
Above-described, be only preferred embodiment of the present utility model, be not to limit scope of the present utility model, above-described embodiment of the present utility model can also make a variety of changes.Be that simple, the equivalence that every claims according to the utility model application and description are done changes and modify, all fall into the claim protection domain of the utility model patent.The utility model not detailed description be the routine techniques content.
Claims (10)
1. rack-and-gear lockable mechanism, this mechanism is arranged on to have slide assemblies, in the Automobile instrument handrail slip turning device of non-slide assemblies and upset bit-stopping structure, it is characterized in that, and described mechanism comprises:
The active tooth bar of captiveing joint with described slide assemblies;
The swinging strut axle of captiveing joint with described non-slide assemblies;
Be set in described swinging strut axle outer rim and with the transmission gear of described active tooth bar engagement fit;
Be flexibly connected with described non-slide assemblies and the tooth bar locking bar opposite with described active tooth bar sense of motion, it comprises with the first tooth section of described transmission gear engagement fit and is used for conflicting the dead bolt of described upset bit-stopping structure; And
Torsion spring, the one end is captiveed joint with described non-slide assemblies, and the other end is captiveed joint with described transmission gear.
2. rack-and-gear lockable mechanism according to claim 1, is characterized in that, described active tooth bar comprises the second tooth section with described transmission gear engagement fit, and the number of teeth of described the second tooth section is less than the number of teeth of described the first tooth section.
3. rack-and-gear lockable mechanism according to claim 1 and 2, it is characterized in that, described torsion spring comprises body section and is connected to U-shaped extension and the L shaped extension at this body section two ends, and captive joint with described transmission gear in described U-shaped extension, captives joint with described non-slide assemblies in described L shaped extension.
4. rack-and-gear lockable mechanism according to claim 3, is characterized in that, a side end face of described transmission gear is provided with the groove of captiveing joint with described U-shaped extension.
5. according to claim 1,2 or 4 described rack-and-gear lockable mechanisms, is characterized in that, the two ends outer rim of described swinging strut axle is respectively equipped with taper grab and the T shape positioning bar that is connected to limit this swinging strut axle longitudinal travel with described non-slide assemblies.
6. rack-and-gear lockable mechanism according to claim 5, is characterized in that, the quantity of described T shape positioning bar is two, and these two T shape positioning bars are symmetricly set on an end outer rim of described swinging strut axle along the axis of described swinging strut axle.
7. rack-and-gear lockable mechanism according to claim 5, is characterized in that, the two ends outer rim of described swinging strut axle is respectively equipped with one and is connected to limit the radially rectangle positioning bar of displacement of this swinging strut axle with described non-slide assemblies.
8. rack-and-gear lockable mechanism according to claim 7, is characterized in that, described two rectangle positioning bars are symmetricly set on the two ends outer rim of described swinging strut axle along the axis of described swinging strut axle.
9. the described rack-and-gear lockable mechanism of any one according to claim 6-8, it is characterized in that, the position of the close described taper grab of the outer rim of described swinging strut axle is symmetrically arranged with along the axis of described swinging strut axle the triangle grab that fixes in the axis through-hole of described transmission gear.
10. rack-and-gear lockable mechanism according to claim 9, it is characterized in that, the inwall of the axis through-hole of described transmission gear is provided with the stop bit muscle, and the outer rim of described swinging strut axle be provided with a described triangle grab in abutting connection with and prop up the plane of orientation of described stop bit muscle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205879609U CN202952854U (en) | 2012-11-08 | 2012-11-08 | Gear and rack locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205879609U CN202952854U (en) | 2012-11-08 | 2012-11-08 | Gear and rack locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202952854U true CN202952854U (en) | 2013-05-29 |
Family
ID=48458444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205879609U Expired - Fee Related CN202952854U (en) | 2012-11-08 | 2012-11-08 | Gear and rack locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202952854U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108851600A (en) * | 2018-07-23 | 2018-11-23 | 协建（江苏）智能装备有限公司 | A kind of intelligentized Furniture |
| CN112923004A (en) * | 2021-01-26 | 2021-06-08 | 常州纺织服装职业技术学院 | Buffer device with overtravel protection |
| CN113734011A (en) * | 2020-05-29 | 2021-12-03 | 宝适汽车部件(太仓)有限公司 | Arm support device for vehicle interior |
-
2012
- 2012-11-08 CN CN2012205879609U patent/CN202952854U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108851600A (en) * | 2018-07-23 | 2018-11-23 | 协建（江苏）智能装备有限公司 | A kind of intelligentized Furniture |
| CN113734011A (en) * | 2020-05-29 | 2021-12-03 | 宝适汽车部件(太仓)有限公司 | Arm support device for vehicle interior |
| CN113734011B (en) * | 2020-05-29 | 2023-07-14 | 宝适汽车部件(太仓)有限公司 | Arm support device for vehicle interior space |
| CN112923004A (en) * | 2021-01-26 | 2021-06-08 | 常州纺织服装职业技术学院 | Buffer device with overtravel protection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: YANFENG AUTOMOTIVE TRIM SYSTEMS CO., LTD. Free format text: FORMER NAME: YANFENG WEISHITONG AUTOMOBILE ORNAMENT SYSTEM CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 200235 Liuzhou Road, Shanghai, No. 399, No. Patentee after: Yanfeng Automotive Trim Systems Co., Ltd. Address before: 200235 Liuzhou Road, Shanghai, No. 399, No. Patentee before: Yanfeng Weishitong Automobile Ornament System Co., Ltd. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160818 Address after: 201206 Shanghai City, Pudong New Area Chinese (Shanghai) free trade zone Jufeng Road No. 2166 Patentee after: SHANGHAI YANFENG JINQIAO AUTOMOTIVE TRIM SYSTEMS CO., LTD. Address before: 200235 Liuzhou Road, Shanghai, No. 399, No. Patentee before: Yanfeng Automotive Trim Systems Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130529 Termination date: 20201108 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |