CN201201659Y - Universal wheel - Google Patents
Universal wheel Download PDFInfo
- Publication number
- CN201201659Y CN201201659Y CNU2008200926081U CN200820092608U CN201201659Y CN 201201659 Y CN201201659 Y CN 201201659Y CN U2008200926081 U CNU2008200926081 U CN U2008200926081U CN 200820092608 U CN200820092608 U CN 200820092608U CN 201201659 Y CN201201659 Y CN 201201659Y
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- CN
- China
- Prior art keywords
- hub
- wheel
- roller
- wheel hub
- cardan
- 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.)
- Expired - Fee Related
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- Rolls And Other Rotary Bodies (AREA)
Abstract
The utility model relates to the machinery technical field, in particular to a universal wheel which is simple in structure and is convenient for disassembly and assembly. The universal wheel comprises a first hub and a second hub. The rims of the first hub and the second hub are respectively provided with three rollers and three dents, which are in uniform cross-distribution. A rotary shaft of the roller and the axis of the hub, which are in different planes, are perpendicular to each other. The outer surfaces of the three rollers are of arc shape, and the external outlines of the three rollers are located on a same circle, wherein the circle formed by the external outline of the roller on the first hub is identical to the circle formed by the external outline of the roller on the second hub. The centers of the inner sides of the first hub and the second hub are respectively and correspondingly provided with a clamping portion and a central axis hole, and the first hub and the second hub are mounted in central symmetry through the clamping portions. The utility model has the advantages of flexible steering, high compressive strength, greatly increased service life, wider application range, simple manufacturing process, easy assembly and easy usage.
Description
Technical field:
The utility model relates to field of mechanical technique, refers in particular to a kind of cardan wheel simple in structure, easy-to-mount.
Background technology:
In daily life and machine applications field, often need use the constructional devices such as cardan wheel that cardan wheel etc. is convenient to turn to, the bottom of the equipment such as shopping cart in the tables and chairs in the family, supermarket for example, cardan wheel just is installed usually, its objective is that Convenient desk and chair, shopping cart etc. turn to flexibly, the user can move, promote very much object under the situation of labour-saving.The steering hardware of existing cardan wheel generally is that the mode by bearing realizes, and is higher to the performance requriements of bearing, in case and wear-out of a bearing, then whole cardan wheel can't normal operation, even stuck easily; In addition, the cardan wheel structure of said structure is too single, and can't dismounting, only rely on a roller to realize rolling, so the structural stability of cardan wheel is poor, and the ability of bearing pressure is also poor, and roller causes undue wear easily, makes cardan wheel short service life.
The utility model content:
The purpose of this utility model is to solve problems such as existing cardan wheel structure is single, compressive strength is little, service life is short, and a kind of simple in structure, easy to process, easy-to-mount cardan wheel of making is provided.
The utility model realizes that the technical scheme that its purpose adopts is: it comprises the first wheel and second wheel hub, the edge of described first wheel and second wheel hub intersects uniform three rollers and three recesses respectively, and the rotating shaft of described roller and hub axis are the antarafacial plumbness, described three roller outside faces are that arc line type and its outer wheels profile are positioned on the same circumference, and the circumference that the exterior contour line of the roller on the first wheel forms is consistent with the circumference that the exterior contour line of the second wheel hub upper roller forms; The inboard center of first, second wheel hub correspondence respectively is provided with Access Division and central axis hole, and first, second wheel hub is by the Access Division installation that is centrosymmetric, be that roller on the first wheel is relative with recess on second wheel hub, recess on second wheel hub is relative with recess on the first wheel, and the roller outermost end protrudes in the outermost end of recess.
After the utility model adopted said structure, the roller on first, second wheel hub was staggered, and can constitute a complete circular wheel just, therefore can rotatablely move around hub axis; Simultaneously, on the rim axis direction, the axis of roller is vertical with the hub axis antarafacial, so roller promptly is to move along the hub axis direction around the rotation of its axis, therefore realizes the flexible operation of whole wheel hub on all directions.
Wherein, described Access Division comprises and intersects uniform three protrusions and corresponding three grooves that form, and each protrusion and the cooresponding radian of groove are π/3.Like this, the Access Division of first, second wheel hub is actually identical structure, and therefore, whole first, second wheel hub structure can be in full accord, is convenient to make, and it is just can clamping good only need to rotate 60 degree that stagger during assembling.
Described first wheel, second is taken turns and roller wheel shaft is set so that roller to be installed between the adjacent recess two ends of hub rim.The purpose that recess is set is that the rotating shaft of roller can tangentially be penetrated from the outside, is convenient to the dismounting of roller.
Described first, second wheel hub is formed in one.First, second wheel hub so mould can be designed to equally be convenient to save manufacturing cost, also is convenient to batch manufacturing because structure is in full accord simultaneously.
The outside of described first, second wheel hub is formed with decorative cover.But layout, mark etc. on decorative cover both can be to paste, and also can be to form when one-body molded, strengthened appearance, and more convenient buyer sees clearly brand, sign simultaneously.
The central axis hole inwall of described first, second wheel hub is respectively equipped with outstanding friction face.Be convenient to installing and fixing of axis, promptly axis can be fixed by expanded joint.
Advantage of the present utility model is: turn to flexibly, compressive strength is high, strengthen service life greatly, and Applicable scope is wider, manufacturing process is simple relatively, and easily assembling is easily used.
Description of drawings:
Fig. 1 is an overall perspective view of the present utility model;
Fig. 2 is an exploded drawings of the present utility model;
Fig. 3 is a front view of the present utility model;
Fig. 4 is a left view of the present utility model;
Fig. 5 is a birds-eye view of the present utility model.
The specific embodiment:
Below in conjunction with specific embodiments and the drawings the utility model is further specified.
As shown in Figure 1, 2, the utility model cardan wheel comprises the first wheel 1 and second wheel hub 2, and the two structure is in full accord, and wherein the first wheel 1 and second wheel hub 2 can be one-body molded by mould, made to possess cooresponding intensity by metallic material usually.
Its concrete structure is as follows: the edge of described first wheel 1 and second wheel hub 2 intersects uniform three rollers 3 and three recesses 4 respectively, and the rotating shaft 31 and the hub axis of described roller 3 are the antarafacial plumbness, described three roller 3 outside faces are that arc line type and its outer wheels profile are positioned on the same circumference, and the circumference that the exterior contour line of the roller on the first wheel 13 forms is consistent with the circumference that the exterior contour line of second wheel hub, 2 upper rollers 3 forms; Therefore, the outer wheels profile of whole cardan wheel can form a circumference just, thereby can rotate around hub axis.And simultaneously, because the rotating shaft 31 of each roller 3 is vertical with the hub axis antarafacial, therefore when roller 3 is subjected to the power of hub axis direction, will move along the hub axis direction, be that integral body both can be rotated and can also move along axis direction around hub axis, so can reach the effect that turns flexibly.
The inboard center of first, second wheel hub correspondence respectively is provided with Access Division 11,21 and central axis hole 12,22, as shown in Figure 2, described Access Division 11,21 comprises respectively and intersects uniform three protrusions 110,210 and corresponding three grooves that form, and each protrusion 110,210 and the cooresponding radian of groove are π/3.Like this, the Access Division 11,21 of first, second wheel hub 1,2 is actually identical structure, and therefore, whole first, second wheel hub structure can be in full accord, is convenient to one-body molded manufacturing, and it is just can clamping good only need to rotate 60 degree that stagger during assembling.
And first, second wheel hub 1,2 is by Access Division 11,21 installation that is centrosymmetric, be that roller on the first wheel is relative with recess on second wheel hub, recess on second wheel hub is relative with recess on the first wheel, and the roller outermost end protrudes in the outermost end of recess, and the moment keeps roller to contact with sliding surface and avoids the recess on another wheel hub to contact with sliding surface.
On the inwall of the central axis hole 12,22 of first, second wheel hub 1,2, form outstanding friction face 120,220 respectively, fix to form expanded joint with rotating shaft, avoid wheel hub to skid.
Because first, second wheel hub of the present utility model adopts one-body molded respectively, in the outside of the two, form decorative cover 13 respectively, this decorative cover 13 1 can the shield portions roller, strengthen appearance, two can be provided with various decorative patterns, peculiar sign etc. on its surface, comprise stickup, by the direct mode such as formation of mould, help the buyer and discern brand, manufacturer etc.
The above is a better embodiment of the present utility model, press the utility model principle, on circumference, more a plurality of rollers can be set, only need the corresponding frame mode that roller and the pairing circumference radian of recess and the cooresponding radian in central axis hole Access Division can satisfy cardan wheel of adjusting, for example 4 rollers and 4 recesses, cooresponding circumference radian is π/4, and the Access Division correspondence is provided with 4 protrusions and 4 grooves, and corresponding radian also is that π/4 get final product.Therefore, all according to the utility model frame mode make the equivalence or conspicuous variation, modification etc., all should be within protection domain of the present utility model.
Claims (6)
1. cardan wheel, it is characterized in that: it comprises the first wheel and second wheel hub, the edge of described first wheel and second wheel hub intersects uniform three rollers and three recesses respectively, and the rotating shaft of described roller and hub axis are the antarafacial plumbness, described three roller outside faces are arc line type and are positioned on the same circumference, and the circumference that the roller on the first wheel forms is consistent with the circumference that the second wheel hub upper roller forms; The inboard center of first, second wheel hub correspondence respectively is provided with Access Division and central axis hole, and first, second wheel hub is by the Access Division installation that is centrosymmetric, and the roller outermost end protrudes in the outermost end of recess.
2. a kind of cardan wheel according to claim 1 is characterized in that: described Access Division comprises and intersects uniform three protrusions and corresponding three grooves that form, and each protrusion and the cooresponding radian of groove are π/3.
3. a kind of cardan wheel according to claim 1 is characterized in that: described first wheel, second is taken turns and roller wheel shaft is set so that roller to be installed between the adjacent recess two ends of hub rim.
4. a kind of cardan wheel according to claim 1 is characterized in that: described first, second wheel hub is formed in one.
5. according to claim 1 or 4 described a kind of cardan wheels, it is characterized in that: the outside of described first, second wheel hub is formed with decorative cover.
6. a kind of cardan wheel according to claim 1 is characterized in that: the central axis hole inwall of described first, second wheel hub is respectively equipped with outstanding friction face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200926081U CN201201659Y (en) | 2008-03-06 | 2008-03-06 | Universal wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200926081U CN201201659Y (en) | 2008-03-06 | 2008-03-06 | Universal wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201201659Y true CN201201659Y (en) | 2009-03-04 |
Family
ID=40423969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200926081U Expired - Fee Related CN201201659Y (en) | 2008-03-06 | 2008-03-06 | Universal wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201201659Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104800028A (en) * | 2015-05-06 | 2015-07-29 | 上海电机学院 | Household nursing chair |
| RU2653387C1 (en) * | 2017-09-25 | 2018-05-08 | Николай Петрович Дядченко | Screw motor |
-
2008
- 2008-03-06 CN CNU2008200926081U patent/CN201201659Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104800028A (en) * | 2015-05-06 | 2015-07-29 | 上海电机学院 | Household nursing chair |
| RU2653387C1 (en) * | 2017-09-25 | 2018-05-08 | Николай Петрович Дядченко | Screw motor |
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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: DONGGUAN EONTEC CO., LTD. Free format text: FORMER NAME: DONGGUAN YIAN ELECTRICAL APPARATUS PRODUCTS CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 523662 Guangdong Province, Dongguan City Industrial Zone Qingxi Town Silver Spring Patentee after: DongGuan EONTEC Co., Ltd. Address before: 523660, Guangdong, Dongguan Province town of Silver Springs Industrial Zone Yi an electrical appliance products Co., Ltd. Patentee before: Dongguan Yian Electrical Apparatus Products Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090304 Termination date: 20130306 |