CN203110813U - Trundle rotating structure and trundle - Google Patents
Trundle rotating structure and trundle Download PDFInfo
- Publication number
- CN203110813U CN203110813U CN 201320098572 CN201320098572U CN203110813U CN 203110813 U CN203110813 U CN 203110813U CN 201320098572 CN201320098572 CN 201320098572 CN 201320098572 U CN201320098572 U CN 201320098572U CN 203110813 U CN203110813 U CN 203110813U
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- Prior art keywords
- trundle
- meson
- castor
- ball
- rotational structure
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Abstract
The utility model discloses a trundle rotating structure and a trundle. The trundle rotating structure comprises a trundle mounting holder used for fixing the whole trundle on the bottom of equipment and a trundle fixing frame used for fixing the trundle. The trundle fixing frame is mounted on the bottom of the trundle fixing holder in the vertical direction through a center rivet in a rotating mode; a ball top meson is fixed on the lower portion of the trundle mounting holder; a ball bottom meson is fixed on the upper portion of the trundle fixing frame; the ball top meson and the ball bottom meson are oppositely placed and matched with the center rivet as the circle center; and balls are filled between the ball top meson and the ball bottom meson. The trundle rotating structure solves the problem that because gaps among the balls and a rotating system are big in the bearing process, the trundle is not balanced, can not bear weights and is damaged, has the advantages of being wear-resisting and anti-noise, plays a role in balancing the trundle rotating system, greatly improves bearing of the trundle, prolongs service life of the trundle and ensures that the trundle is light, convenient and flexible to bear and rotate.
Description
Technical field
The utility model relates to the castor technical field, is specifically related to a kind of castor rotational structure and uses the castor of this rotational structure.
Background technology
Castor is a kind of common machine parts, is installed in the footing position of go-cart, hospital car, furniture, mechanical equipment etc. usually to make things convenient for the movement of object, when movement of objects turns to, needs the castor rotation system to rotate, and reaches easily effect effortlessly.The major defect that exists of existing Castor structure is in the market: the one, when motion, turn to dumbly, and it is big to produce noise; The 2nd, radially, endplay is big, service life is short, work-hours is more long, track wearing and tearing post gap is more big, cause the mobile object bob, swings etc., for example hand barrow bob and send noisy noise when promoting can make the trammer feel that painstaking and excessive brouhaha can make the people feel mood unhappiness etc.
The utility model content
The utility model provides a kind of castor rotational structure, has wear-resistingly, rotates flexibly, and the characteristics of low noise can address the above problem.
The utility model provides a kind of castor rotational structure, comprise for the castor mount pad that whole castor is fixed on device bottom, be used for the fixedly castor fixed mount of wheel, castor fixed mount in the vertical direction is installed in rotation on the bottom of castor permanent seat by central socket nail, one ball top meson is fixedly arranged at castor mount pad bottom, one ball bottom meson is fixedly arranged at the top of castor fixed mount, ball top meson and ball bottom meson is the center of circle opposed cooperation up and down with the central socket nail, and ball top meson is filled with ball between the meson bottom ball.
Preferably, described ball bottom meson is fixed on the top of castor fixed mount by a support.
Preferably, described ball top meson and described ball bottom meson is annular five metals rail groove.
Preferably, described annular five metals rail groove is the annular five metals rail groove that stiffened is handled.
The utility model embodiment also provides a kind of castor, and this castor has comprised above-mentioned castor rotational structure.
Technique scheme as can be seen, because adopting, the utility model embodiment between castor permanent seat and castor fixed mount, sets up the wheel word that is constituted by ball and ball meson, therefore, it is big because of ball and rotation system diastema in load bearing process to efficiently solve castor, overbalance and can't bear load and cause the phenomenon damaged; Have wear-resisting and noise proof advantage, and play the effect of balance castor rotation system; Improved castor carrying greatly and ensured and prolonged castor service life, made the castor carrying rotate light and flexible.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the semi-sictional view structural representation of castor among the utility model embodiment;
Fig. 2 is the sectional structure scheme drawing of the wheel word that is made of ball top meson, ball bottom meson and ball among the utility model embodiment.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making all other embodiment that obtain under the creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment:
As shown in Figure 1, the utility model embodiment provides a kind of castor, this castor comprises the castor rotational structure, in conjunction with Fig. 1 and Fig. 2, described castor rotational structure comprises: the castor mount pad 1 that is used for whole castor is fixed on device bottom, be used for the fixedly castor fixed mount 2 of wheel 8, castor fixed mount 2 in the vertical directions are installed in rotation on the bottom of castor permanent seat 1 by central socket nail 3, one ball top meson 4 is fixedly arranged at castor mount pad 1 bottom, one ball bottom meson 5 is fixedly arranged at the top of castor fixed mount 2, ball top meson 4 and ball bottom meson 5 be the center of circle opposed cooperation up and down with central socket nail 3, is filled with ball 6 between the meson 5 bottom ball top meson 4 and the ball.
Ball top meson 4 is annular five metals rail groove with ball bottom meson 5 among the utility model embodiment, and ball top meson 4 is opposed about in the of 5 with ball bottom meson, and the centre is formed for the orbit space of ccontaining ball 6, prevents that ball breaks away from.Ball top meson 4, ball bottom meson 5 and ball 6 constitute the wheel word of castor, ball can freely roll in the orbit space that ball top meson 4 and ball bottom meson 5 form, therefore castor permanent seat 1 is with 4 motions of ball top meson, castor fixed mount 2 is with meson 5 motions of ball bottom, because the rolling action of ball has reduced the pivoting friction between castor permanent seat 1 and the castor fixed mount 2.
For the ease of making and assembling, the bottom of ball described in the utility model embodiment meson 5 is fixed on the top of castor fixed mount 2 by a support 7.Therefore, can earlier ball bottom meson 5 be installed on the support 7 in the installation process, on the top that support 7 is installed to castor fixed mount 2.Because whole wheel word is fixedly mounted between castor permanent seat 1 and the castor fixed mount 2, so wheel word can bear the pressure from castor permanent seat 1, alleviates withstand voltage that central socket follows closely, and increased stability and the service life of whole castor.
Because ball 6 rotates and bearing certain pressure between ball top meson 4 and ball bottom meson 5, therefore, the meson of ball top described in the utility model embodiment 4 is annular five metals rail groove with described ball bottom meson 5, described annular five metals rail groove is the annular five metals rail groove that stiffened is handled, namely ball top meson and ball bottom meson in manufacturing process by special processings such as stiffeneds, and after rolling shape, form suitable track, can increase the service life of castor further, stiffened is handled and is rolled shape for existing technology, gives unnecessary details no longer one by one herein.
More than a kind of castor rotational structure and castor that the utility model embodiment is provided be described in detail, used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand core concept of the present utility model; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (5)
1. castor rotational structure, comprise for the castor mount pad that whole castor is fixed on device bottom, be used for the fixedly castor fixed mount of wheel, castor fixed mount in the vertical direction is installed in rotation on the bottom of castor permanent seat by central socket nail, it is characterized in that: a ball top meson is fixedly arranged at castor mount pad bottom, one ball bottom meson is fixedly arranged at the top of castor fixed mount, ball top meson and ball bottom meson is the center of circle opposed cooperation up and down with the central socket nail, and ball top meson is filled with ball between the meson bottom ball.
2. a kind of castor rotational structure as claimed in claim 1 is characterized in that: described ball bottom meson is fixed on the top of castor fixed mount by a support.
3. a kind of castor rotational structure as claimed in claim 1 or 2 is characterized in that: described ball top meson and described ball bottom meson are annular five metals rail groove.
4. a kind of castor rotational structure as claimed in claim 3 is characterized in that: described annular five metals rail groove is the annular five metals rail groove that stiffened is handled.
5. a castor is characterized in that: comprise any described castor rotational structure in the aforesaid right requirement 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320098572 CN203110813U (en) | 2013-03-04 | 2013-03-04 | Trundle rotating structure and trundle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320098572 CN203110813U (en) | 2013-03-04 | 2013-03-04 | Trundle rotating structure and trundle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203110813U true CN203110813U (en) | 2013-08-07 |
Family
ID=48891189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320098572 Expired - Fee Related CN203110813U (en) | 2013-03-04 | 2013-03-04 | Trundle rotating structure and trundle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203110813U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109311591A (en) * | 2016-05-23 | 2019-02-05 | 帕莱亚公司 | For transporting the mountable wheel assembly of object |
-
2013
- 2013-03-04 CN CN 201320098572 patent/CN203110813U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109311591A (en) * | 2016-05-23 | 2019-02-05 | 帕莱亚公司 | For transporting the mountable wheel assembly of object |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20180304 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |