CN204279436U - A kind of four-wheel link gear - Google Patents
A kind of four-wheel link gear Download PDFInfo
- Publication number
- CN204279436U CN204279436U CN201420771341.4U CN201420771341U CN204279436U CN 204279436 U CN204279436 U CN 204279436U CN 201420771341 U CN201420771341 U CN 201420771341U CN 204279436 U CN204279436 U CN 204279436U
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- China
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- outer circulation
- inner eycle
- wheel
- sprocket wheel
- sprocket
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Abstract
A kind of four-wheel link gear, comprise bracing frame, bracing frame is provided with an Inner eycle chain transmission system and four outer circulation chain transmission systems; During any outer circulation chain movement, the outer circulation sprocket wheel and the run-in synchronism of Inner eycle sprocket wheel that are attached thereto can be driven, and Inner eycle chain and other three Inner eycle sprocket wheels, other three outer circulation chains, other three outer circulation sprocket wheels run-in synchronisms can be driven; Under each outer circulation sprocket wheel, a coaxial installation castor, during outer circulation sprocket, can drive castor synchronous axial system.By adopting sprocket wheel and chain and the Inner eycle chain transmission system combined by it and outer circulation chain transmission system, as long as make a castor adjustment turn to, other castor just adjusts with it, solves four-wheel interlock problem.
Description
Technical field
The utility model relates to a kind of link gear, particularly relates to a kind of four-wheel link gear.
Background technology
Shooting fluctuating orbit car is a video display support accessory equipment taken in movement.The chassis vehicle of this product requires to need the random forward-reverse in any direction on the ground according to shooting.The chassis vehicle of this product is made up of four supporting leg foot wheels, and four supporting legs in the horizontal direction all can independent adjusting position (0 °, 45 ° ,-45 ° of three positions), with satisfied shooting route space-constrained needs.The four-wheel of current this rail vehicle can not link, and the wheel (non-cardan wheel) on four supporting legs of this chassis vehicle just cannot ensure equidirectional, and equipment also just cannot be advanced smoothly, thus completes shooting smoothly.
Utility model content
In order to overcome above-mentioned technical matters, the utility model provides a kind of four-wheel link gear, comprises bracing frame, and bracing frame is provided with an Inner eycle chain transmission system and four outer circulation chain transmission systems; Inner eycle chain transmission system comprises four Inner eycle sprocket wheels be fixed on bracing frame coupled together with Inner eycle chain, Inner eycle sprocket wheel is double chain wheel, four Inner eycle sprocket wheels are arranged apart and be distributed on the corner of same quadrangle, during Inner eycle chain movement, drive four Inner eycle sprocket wheel synchronous axial system; Be equipped with an outer circulation sprocket wheel outside each Inner eycle sprocket wheel, each externally circulation sprocket wheel be connected by an outer circulation chain with Inner eycle sprocket wheel, form an outer circulation chain transmission system; During any outer circulation chain movement, the outer circulation sprocket wheel and the run-in synchronism of Inner eycle sprocket wheel that are attached thereto can be driven, and Inner eycle chain and other three Inner eycle sprocket wheels, other three outer circulation chains, other three outer circulation sprocket wheels run-in synchronisms can be driven; A coaxial installation castor under each outer circulation sprocket wheel, four castors are arranged in same plane, during outer circulation sprocket, can drive castor synchronous axial system.
Further, bracing frame comprises rectangle inside casing and pivoted arm, and Inner eycle sprocket wheel is individually fixed on the corner of rectangle inside casing, and one end of pivoted arm and Inner eycle sprocket coaxiality are connected on rectangle inside casing, and pivoted arm can relative to Inner eycle sprocket rotation; Outer circulation sprocket wheel is fixed on the other end of pivoted arm.
Further, the working direction of four castors can only adjust with the rotation with its coaxial outer circulation sprocket wheel be connected.
Further, the castor that each outer circulation sprocket wheel is corresponding with it is provided with catch gear with shaft connection place, and when catch gear unclamps, castor, not with outer circulation sprocket rotation, during catch gear locking, drives castor synchronous axial system during outer circulation sprocket rotation.
Further, in four outer circulation sprocket wheels, wherein have at least an outer circulation sprocket wheel to install a bearing circle, bearing circle is fixedly connected with outer circulation sprocket coaxiality, during steering wheel rotation, and outer circulation sprocket wheel synchronous axial system.
The utility model is by adopting sprocket wheel and chain and the Inner eycle chain transmission system combined by it and outer circulation chain transmission system, as long as make a castor adjustment turn to, other castor just adjusts with it, solves four-wheel interlock problem; Simultaneously be provided with catch gear at castor and outer circulation sprocket wheel junction, when unclamping catch gear, corresponding castor just can be made not link with other castors, make this equipment both can four-wheel interlock, again can three-wheel interlock, two-wheeled interlock, flexibly and easily; Bracing frame is provided with pivoted arm, its can within the sprocket wheel that circulates be that axle rotates, make the combination of four supporting legs various, can be suitable for different track widths, and when adjusting pivoted arm, castor direction is constant, light and handy practicality, make the using function of this equipment more rich and varied, performance is more remarkable; The setting of bearing circle, makes direction adjust easier.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is front view of the present utility model;
Fig. 2 is sprocket wheel in the utility model and chain gear schematic diagram;
Detailed description of the invention
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1:
See figures.1.and.2, the utility model provides a kind of four-wheel link gear, comprises bracing frame, and bracing frame is provided with an Inner eycle chain transmission system and four outer circulation chain transmission systems; Inner eycle chain transmission system comprises four Inner eycle sprocket wheels 2 be fixed on bracing frame coupled together with Inner eycle chain 1, Inner eycle sprocket wheel 2 is double chain wheel, four Inner eycle sprocket wheels 2 are arranged apart and be distributed on the corner of same quadrangle, when Inner eycle chain 1 moves, drive four Inner eycle sprocket wheel 2 synchronous axial system; Be equipped with an outer circulation sprocket wheel 3 outside each Inner eycle sprocket wheel 2, each externally circulation sprocket wheel 3 be connected by an outer circulation chain 4 with Inner eycle sprocket wheel 2, form an outer circulation chain transmission system; When any outer circulation chain 4 moves, the outer circulation sprocket wheel 3 and Inner eycle sprocket wheel 2 run-in synchronism that are attached thereto can be driven, and Inner eycle chain 1 and other three Inner eycle sprocket wheels 2, other three outer circulation chains 4, other three outer circulation sprocket wheels 3 run-in synchronisms can be driven; Each outer circulation sprocket wheel is coaxially installed a castor 5, four castors 5 for 3 times and is arranged in same plane, when outer circulation sprocket wheel 3 moves, can drive castor 5 synchronous axial system.The utility model is by adopting sprocket wheel and chain and the Inner eycle chain transmission system combined by it and outer circulation chain transmission system, as long as make castor 5 adjustment turn to, other castor 5 just adjusts with it, solves four-wheel interlock problem.
Preferably, bracing frame comprises rectangle inside casing 6 and pivoted arm 7, and Inner eycle sprocket wheel 2 is individually fixed on the corner of rectangle inside casing 6, and one end of pivoted arm 7 and Inner eycle sprocket wheel 2 are coaxially connected on rectangle inside casing 6, and pivoted arm 7 can rotate relative to Inner eycle sprocket wheel 2; Outer circulation sprocket wheel 3 is fixed on the other end of pivoted arm 7.
Preferably, in order to ensure the effect that links, the working direction of four castors 5 can only adjust with the rotation with its coaxial outer circulation sprocket wheel 3 be connected.When adopting cardan wheel or other similar castors, castor 5 just can not ensure rotate along with outer circulation sprocket wheel 3 and rotate, and just cannot realize the real effect linked.
Preferably, the castor 5 that each outer circulation sprocket wheel 3 is corresponding with it is provided with catch gear with shaft connection place, and when catch gear unclamps, castor 5 does not rotate with outer circulation sprocket wheel 3, during catch gear locking, drives castor 5 synchronous axial system when outer circulation sprocket wheel 3 rotates.When unclamping catch gear, corresponding castor 5 just can be made not link with other castors 5, make this equipment both can four-wheel interlock, again can three-wheel interlock, two-wheeled interlock, more flexible in using.
Preferably, in order to more easily realize the adjustment in castor 5 direction, in four outer circulation sprocket wheels 3, wherein have at least an outer circulation sprocket wheel 3 that a bearing circle 8 is installed, bearing circle 8 is coaxially fixedly connected with outer circulation sprocket wheel 3, during steering wheel rotation 8, and outer circulation sprocket wheel 3 synchronous axial system.
The utility model is by adopting sprocket wheel and chain and the Inner eycle chain transmission system combined by it and outer circulation chain transmission system, as long as make castor 5 adjustment turn to, other castor 5 just adjusts with it, solves four-wheel interlock problem; Simultaneously be provided with catch gear at castor 5 and outer circulation sprocket wheel 3 junction, when unclamping catch gear, corresponding castor 5 just can be made not link with other castors 5, make this equipment both can four-wheel interlock, again can three-wheel interlock, two-wheeled interlock, flexibly and easily; Bracing frame is provided with pivoted arm 7, its can within the sprocket wheel 2 that circulates rotate for axle, make the combination of four supporting legs various, can be suitable for different track widths, and when adjusting pivoted arm 7, castor 5 direction is constant, light and handy practicality, make the using function of this equipment more rich and varied, performance is more remarkable; The setting of bearing circle 8, makes direction adjust easier.
It should be noted that, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
Above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (5)
1. a four-wheel link gear, is characterized in that: comprise bracing frame, and bracing frame is provided with an Inner eycle chain transmission system and four outer circulation chain transmission systems; Inner eycle chain transmission system comprises four Inner eycle sprocket wheels be fixed on bracing frame coupled together with Inner eycle chain, Inner eycle sprocket wheel is double chain wheel, four Inner eycle sprocket wheels are arranged apart and be distributed on the corner of same quadrangle, during Inner eycle chain movement, drive four Inner eycle sprocket wheel synchronous axial system; Be equipped with an outer circulation sprocket wheel outside each Inner eycle sprocket wheel, each externally circulation sprocket wheel be connected by an outer circulation chain with Inner eycle sprocket wheel, form an outer circulation chain transmission system; During any outer circulation chain movement, the outer circulation sprocket wheel and the run-in synchronism of Inner eycle sprocket wheel that are attached thereto can be driven, and Inner eycle chain and other three Inner eycle sprocket wheels, other three outer circulation chains, other three outer circulation sprocket wheels run-in synchronisms can be driven; A coaxial installation castor under each outer circulation sprocket wheel, four castors are arranged in same plane, during outer circulation sprocket, can drive castor synchronous axial system.
2. four-wheel link gear according to claim 1, it is characterized in that: support frame as described above comprises rectangle inside casing and pivoted arm, Inner eycle sprocket wheel is individually fixed on the corner of rectangle inside casing, one end of pivoted arm and Inner eycle sprocket coaxiality are connected on rectangle inside casing, and pivoted arm can relative to Inner eycle sprocket rotation; Outer circulation sprocket wheel is fixed on the other end of pivoted arm.
3. four-wheel link gear according to claim 1 and 2, is characterized in that: the working direction of described four castors can only adjust with the rotation with its coaxial outer circulation sprocket wheel be connected.
4. four-wheel link gear according to claim 1 and 2, it is characterized in that: the castor that described each outer circulation sprocket wheel is corresponding with it is provided with catch gear with shaft connection place, when catch gear unclamps, castor is not with outer circulation sprocket rotation, during catch gear locking, during outer circulation sprocket rotation, drive castor synchronous axial system.
5. four-wheel link gear according to claim 1 and 2, it is characterized in that: in described four outer circulation sprocket wheels, wherein have at least an outer circulation sprocket wheel to install a bearing circle, bearing circle is fixedly connected with outer circulation sprocket coaxiality, during steering wheel rotation, outer circulation sprocket wheel synchronous axial system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420771341.4U CN204279436U (en) | 2014-12-04 | 2014-12-04 | A kind of four-wheel link gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420771341.4U CN204279436U (en) | 2014-12-04 | 2014-12-04 | A kind of four-wheel link gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204279436U true CN204279436U (en) | 2015-04-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420771341.4U Active CN204279436U (en) | 2014-12-04 | 2014-12-04 | A kind of four-wheel link gear |
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| Country | Link |
|---|---|
| CN (1) | CN204279436U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113510795A (en) * | 2021-07-01 | 2021-10-19 | 河北蓝鸟家具股份有限公司 | Arc saw for cutting arc wood |
-
2014
- 2014-12-04 CN CN201420771341.4U patent/CN204279436U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113510795A (en) * | 2021-07-01 | 2021-10-19 | 河北蓝鸟家具股份有限公司 | Arc saw for cutting arc wood |
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