CN2401384Y

CN2401384Y - Improved structure for trunk castor

Info

Publication number: CN2401384Y
Application number: CN 99248008
Authority: CN
Inventors: 吴俊兴
Original assignee: QIAOGONG SCIENCE AND TECHNOLOGY Co Ltd
Current assignee: QIAOGONG SCIENCE AND TECHNOLOGY Co Ltd
Priority date: 1999-09-24
Filing date: 1999-09-24
Publication date: 2000-10-18
Anticipated expiration: 2009-09-24

Abstract

The utility model discloses an improved structure for a trunk angular wheel. Mainly, the central position between a wheel body and a wheel shaft is supported by a single bearing so that the structure and the assembling operation of the angular wheel are simplified, and cost is reduced.

Description

The improvement structure of baggage container horn ring

The utility model relates to a kind of baggage container horn ring, refers to a kind of improvement structure of relevant baggage container horn ring especially.Use single metal bearing on its pivot axis hole, to save a horn ring bearing and simplification assembling procedure and to reduce production costs.

The horn ring of commonly using baggage container all uses two bearings wheel shafts for a long time, " structural improvement of suitcase wheel " as No. the 351090th, Taiwan patent announcement is disclosed, because wheel shaft is supported by the both sides of wheel body by two bearings, its stability better, the general producer does not all intend being changed easily, and not only cost is higher but use two bearings, and for to make the center of two bearings be aligned the location mutually, comparatively time-consuming in assembling, have much room for improvement.

In addition all uses two-wheel frame plate of baggage container horn ring is supported, in case the horn ring et out of order must be taken apart by the interior trim panel of baggage container in advance, unclamps the check screw of the interior wheel seat of horn ring, take off outer wheel seat after, just can reach the purpose of replacing horn ring.So commonly use horn ring with the structure that the two-wheel frame plate supports, repair in the operation changing of horn ring very loaded down with trivial details, because of, bearing and support structure thereof how to simplify horn ring gradually become the road that baggage container is already looked for improvement.

Main purpose of the present utility model is promptly being improved above-mentioned all shortcomings of commonly using the horn ring of baggage container, and provide a kind of improvement of baggage container horn ring to construct, be to adopt single metal bearing between the wheel shaft of its horn ring and wheel body, and the rotatable urceolus of single metal bearing shortened length as far as possible, non-rotary inner core then increases its length as far as possible, make wheel and the interaxle machine operation of wheel obtain preferable effect, can significantly reduce production costs first; Second can simplify assembling operation.

Another purpose of the present utility model is to provide a kind of improvement structure of baggage container horn ring, and the wheel frame plate of its horn ring is monolateral fixed type structure, so that changing of horn ring repaiied operation and significantly simplified.

The improvement structure at the utility model baggage container angle is in order to reach above-mentioned purpose and effect, the technological means that it adopted comprises a wheel seat and a wheel, this wheel comprises a wheel body, a wheel shaft and bearing assembly again, it is characterized by: this wheel body uses single bearing with the interaxle center of wheel, again the two ends of this wheel shaft by wheel body are locked on the wall of the wheel cave of wheel seat, thereby the urceolus that makes the wheel body of wheel, single bearing is a rotating part, and the inner core of single bearing and wheel shaft are fixed part, and this rotating part can stably be rotated under the support of fixed part.

Above-mentioned and other purpose of the present utility model, effect and characteristics high-ranking officer understand increasingly with the detailed description of the specific embodiment of following accompanying drawing.

Brief description of drawingsfig:

The 1st figure is the plane signal exploded drawings of the utility model one preferred embodiment horn ring;

The 2nd figure is the section combination dissected figure of the utility model the 1st figure;

The 3rd figure is the section combination dissected figure of another preferred embodiment horn ring of the utility model.

The main portion conventional letter:

10 wheel bodys, 101 peripheral parts, 102 support flap

103 large-diameter portion axis holes, 104 minor diameter part axis holes, 11 metal bearings

110 urceolus, 111 bearing inner cores, 12 external liner assemblies

121 prominent rib 122 fins 123 large-diameter portions

124 minor diameter parts, 125 axis holes, 13 inside lining sleeves

131 large-diameter portions, 1310 expanded holes, 132 minor diameter parts

14 wheel shafts, 141 large-diameter portions, 15 captive nuts

20 horn ring seats 21 are taken turns cave 22 fixed parts

23 minor diameter parts, 24 large-diameter portion shrinkage pools

The improvement structure of the utility model baggage container horn ring, mainly be to change the horn ring that the double bracket fixed part pivots into monolateral fixed part, and horn ring wheel and the interaxle rotation of wheel length partly shortened, and the length of fixed part is increased, and the axis hole of wheel changed into big footpath hole portion and path hole portion, with inner core and the urceolus that holds single bearing respectively, the length that makes inner core again is greater than urceolus, so meet the length of the rotating part length of horn ring, thereby the friction heat that is generated because of rotation minimized less than fixed part.Below will with regard to of the present utility model specifically execute routine conjunction with figs. say describe in detail as after.

As shown in the figure, the improvement structure of the utility model one preferred embodiment baggage container horn ring, shown in the 1st to 2 figure, principal character is to use single metal bearing 11 in the wheel cave 21 of horn ring seat 20, detailed speech, baggage container horn ring wheel seat 20 of the present utility model has open wheel cave 21 on one side, its another side has fixed part 22 these fixed parts 22 that are pivoted wheel and has more abundant material thickness, and the large-diameter portion shrinkage pool 24 that a minor diameter part 23 and that supplies wheel shaft 14 pivots to fix holds captive nut 15 is set thereon; On wheel, then comprise a wheel body 10, a metal bearing 11, external liner assembly 12, inside lining sleeve 13, wheel shaft 14 and captive nut 15 etc.Wherein, shown in the 1st figure, use single antiwhip in order to reach the utility model, multiple axis hole with wheel body is formed a large-diameter portion axis hole 103 and a minor diameter part axis hole 104, and single metal bearing is made the bearing 11 of apparatus bearing inner core 111 and urceolus 110, and make the length of the length of inner core 111 much larger than urceolus 110, and the length of bearing inner core 111 is again greater than the length of wheel body minor diameter part 104; In addition for single bearing 11 can stably be locked in the wheel body axis hole, multiple opposite side in bearing 11 is provided with an external liner assembly 12 and inside lining sleeve 13, external liner assembly 12 as shown is a hollow cylinder, end near bearing 11 is a large-diameter portion 123, the other end then is a minor diameter part 124, make urceolus more than 12 one-tenth one hollow truncated cone tube, the inwall of external liner assembly 12 is established multi-disc (five) fin 122 by outer dashing forward toward interior extension, an axis hole 125 is also reserved in the center, periphery at external liner assembly 12 also forms the prominent rib 121 of many tools (five tools) (because asymmetric pass is that some is the section diagrammatic sketch) with the isogonism distribution again; Then have a large-diameter portion 131 and minor diameter part 132 to inside lining sleeve, the expanded hole 1310 of large-diameter portion is to cooperate the large-diameter portion 141 of wheel shaft 14 and be provided with, so that when assembling, wheel shaft 14 can insert inside lining sleeve 13, external liner assembly 14, metal bearing 11, axis hole such as wheel body and pass the minor diameter part 23 of wheel seat 20 and large-diameter portion axis hole 24 mat nuts 15 and locking on wheel seat 20, by the 2nd figure as can be known, the urceolus 110 of metal bearing 11 and inner core 110 be contained in respectively the hole, big footpath 103 of wheel body 10 and path hole 104 in, and the right-hand member of the inner core 111 of metal bearing 11 is held on the inwall one side of wheel seat fixed part 22, and the large-diameter portion 123 of external liner assembly 12 holds on the urceolus 110 of metal bearing 11 to be connected with urceolus and is integral, the fin 122 of the minor diameter part 124 of external liner assembly 12 and lining system endoporus then by inside lining sleeve 13 support be positioned a side of metal bearing 11, multiple can being peeped by the 2nd figure known, the minor diameter part 132 of inside lining sleeve is held in an end of the inner core 111 of metal bearing 11, and the shrinkage pool 1310 of the large-diameter portion 131 of inside lining sleeve 13 is urgent by the large-diameter portion 141 of wheel shaft 14 again, so make wheel shaft 14, inside lining sleeve 13, the inner core 111 of metal bearing 11 is that nut 15 locking backs constitute a non-rotary axle center part, and the urceolus 110 of metal bearing 11,12 3 of wheel body 10 and external liner assemblies are rotatable wheel body, so as shown in the above description, though the utility model only uses single metal bearing 11, but under the support of interior external liner assembly cooperates, the stability of the support of its bearing can compare favourably with bimetallic bearing, and the fixed part length of wheel minimizes the heat that friction generated of wheel greater than rotating part.

In fact, the above-mentioned horn ring structure of the utility model also can all give omission with external liner assembly 14 and inside lining sleeve 13, and the length of the inner core 111 of single bearing 11 increased, shown in second preferred embodiment of the 3rd figure, can reach the identical effect of above-mentioned first preferred embodiment too, relevant member all indicates identical label and can contrast mutually and obtain understanding, so relevant explanation is omitted.

In sum, single shaft of the present utility model holds the baggage container horn ring, single bearing is placed in the large-diameter portion axis hole (being the center-point of horn ring) of horn ring axis hole, and use and have long inner core bearing, make an end of inner core bearing be held in the inwall of horn ring wheel seat, pass by the bearing inner core and after at wheel shaft with nut locking a wall at the horn ring wheel seat, the inner core and the wheel shaft of single bearing are all fixed part, and only make the wheel body that urceolus supported of single bearing and the urceolus of bearing is rotating part, thereby make the horn ring can be under single bearing support, stable running be can reach and horn ring structure and cost-cutting etc. simplified, real is that one of single bearing horn ring improves greatly, fills part and meets novel patent application important document.

Claims

1. the improvement of a baggage container horn ring is constructed, and comprising: a wheel seat and a wheel, and this wheel comprises a wheel body, a wheel shaft and bearing assembly again, it is characterized by:

This wheel body uses single bearing with the interaxle center of wheel, and hold an end of the urceolus of single bearing by external liner assembly, the endoporus that inside lining sleeve then passes external liner assembly directly holds an end of the inner core of single bearing, again this wheel shaft is locked on the wall of the wheel cave of wheel seat by the wheel body two ends, thereby to make the urceolus of the wheel body of wheel, single bearing and external liner assembly be rotating part, the inner core of single bearing, inside lining sleeve and wheel shaft are fixed part then, and this rotating part can stably be rotated under the support of fixed part.

2. the improvement of baggage container horn ring according to claim 1 structure is characterized in that: the inner core of this single bearing has long length, can the one end be held on the one side of an inwall in wheel cave of wheel seat to fix.

3. the improvement structure of baggage container horn ring according to claim 1, it is characterized in that: the axis hole of this wheel has a large-diameter portion and a minor diameter part, the suitable urceolus and the inner core that can hold single bearing respectively, and make the ora terminalis of the outer end of inner core greater than the axis hole minor diameter part, and make the urceolus length of the large-diameter portion outer end of axis hole greater than single bearing, so that perimembranous is inserted in the large-diameter portion of external liner assembly and is held in an end of the urceolus of single bearing in the outer end of large-diameter portion, external liner assembly then supports the periphery that can be fixed on inside lining sleeve rotatably for inside lining sleeve.

4. the improvement of a baggage container horn ring is constructed, and comprising: a wheel seat and a wheel, and this wheel comprises a wheel body, a wheel shaft and bearing assembly again, it is characterized by:

This wheel body uses single bearing with the interaxle center of wheel, this single bearing comprises an inner core and a urceolus, the length of this inner core is greater than urceolus, the endoporus of this inner core can be locked on the wall of the wheel cave of wheel seat by the wheel body two ends via this wheel shaft, thereby to make the wheel body of wheel and the urceolus and the external liner assembly of single bearing be rotating part, the inner core of single bearing and wheel shaft are fixed part then, and this rotating part can stably be rotated under the support of fixed part.

5. the improvement of baggage container horn ring according to claim 4 structure, it is characterized in that: the length of the inner core of this single bearing stretches out in outside the wheel body axis hole, and is held on the one side of an inwall in wheel cave of wheel seat and fixes.