CN2401383Y

CN2401383Y - Trunk castor with side support

Info

Publication number: CN2401383Y
Application number: CN 99248005
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 relates to a trunk castor with a side support. An axial bearing is arranged between a wheel axis and a wheel body of the castor. A radial bearing is pivoted on one side of a rotary axis hole and is arranged in a wall surface of a wheel cavity. The length of a rotational outer barrel of the axial bearing is shortened as possible, and the length of an irrotational inner barrel is increased as possible. Under the function of the supplement each other of the radial bearing, the operational flexibilty of the trunk castor is largely improved, and the failure rate of the trunk castor is reduced to minimum.

Description

The baggage container horn ring of tool lateral support

The utility model relates to a kind of baggage container horn ring of tool lateral support, refers to a kind of improvement structure of relevant baggage container horn ring bearing especially.

Commonly use the horn ring of baggage container, its wheel seat generally all stretches out two sides wheel shaft fixed part, wheel body is hubbed on the two axles fixed part with wheel shaft, as shown in Figure 1, though so the pivot of horn ring wheel body is fixing comparatively stable, but run into horn ring for some reason et out of order must change when repairing, the operation of changing horn ring is very loaded down with trivial details, because must take off the horn ring seat earlier when changing horn ring, even need pull down trim board from trunk internal, the interior seat of horn ring wheel seat could be taken off behind Panasonic's check screw, outer seat begins to change horn ring, therefore, the horn ring wheel seat that monolateral pivot is fixing just becomes the trend of the market demand, in the US Patent the 4953257th shown in Figure 2, a kind of baggage container horn ring is disclosed, establish the fixedly wheel shaft 3 that a sleeve 2 is inserted in the support arm 5 of baggage container side plate in the axis hole of its wheel body 1, promptly finish the assembling operation of wheel body 1 and wheel shaft 3, because sleeve 2 is an elastic body, when dismounting, only need the front end of sleeve is slightly strutted the wheel body that can take off horn ring, the replacing operation of its wheel body, it is convenient still to belong to; Just when the baggage container loading is walked, the loading supporting role of this horn ring structure just goes wrong, be that the fixing just shortcoming of 5 of hold-down arms of wheel shaft 3 and fixed part is stable and make wheel body produce the walking phenomenon of deflection, cause wheel body and wheel seat generation mutual friction and cause both all to be out of shape mutually, and make baggage container just as paralysis.

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 baggage container horn ring of tool lateral support to construct, the wheel shaft of its horn ring is provided with cod and radial bearing, wheel body is eliminated because of the end thrust that loading produced, wheel and the interaxle pivot stability of wheel are improved for it.

Another purpose of the present utility model is to provide a kind of baggage container horn ring structure of tool lateral support, and its horn ring is to be fixed on wheel cave one wall of baggage container horn ring wheel seat, to make things convenient for the dismounting operation of wheel body.

In order to reach above-mentioned purpose and effect, the technological means that the baggage container horn ring of tool lateral support of the present utility model is adopted comprises a wheel, this wheel comprises a wheel body, a wheel shaft and bearing assembly again, it is characterized by: this wheel body is established single bearing with the interaxle axial centre of wheel position, a radial bearing is then established in radial center position in the wheel cave of wheel body and wheel seat one side, the mat wheel shaft passes from the wheel cave of wheel seat axis hole, through the axis hole of radial bearing, wheel axis hole and cod and locked on wheel seat through a retaining element.

The periphery of this wheel one side is provided with a scrobicular ring ditch, and also is provided with a scrobicular ring ditch on wheel cave one wall with respect to wheel seat, so that radial bearing is hubbed on the wall between the wheel cave of this wheel and wheel seat, so that more suitable the cunning of the running of wheel is stablized restfully; This wheel by pivoted be fixed on the wall in baggage container horn ring wheel seat wheel cave, to make things convenient for the dismounting operation of wheel body; This radial bearing is a kind of lubricity good metal ball bearing of main shaft; This radial bearing also can be the good wear washer of a kind of lubricity.

The baggage container horn ring of the utility model tool lateral support, give respectively supporting axially giving pivoted by single axial bearing and single radial bearing with two directions radially, can significantly eliminate the end thrust that is caused because of the variation of wheel seat material between wheel shaft and wheel minimizes the unbalanced possibility of shaft strength, and wheel body of the present utility model, axially hold axle and radial bearing after wheel shaft is with the single wall of nut locking at the horn ring wheel seat, the inner core and the wheel shaft of cod are all fixed part, and only make the urceolus of cod and the wheel body that one side supported of radial bearing, the urceolus of bearing is a rotating part, thereby make horn ring the probability of horn ring fault be minimized axially and under the together support of radial bearing reaching better run stability.

Brief description of drawingsfig:

Fig. 1 is a section-drawing of commonly using the baggage container horn ring;

Fig. 2 commonly uses the section-drawing of baggage container horn ring for another;

Fig. 3 is the plane signal exploded drawings of the utility model one preferred embodiment horn ring;

Fig. 4 is the section combination dissected figure of the utility model Fig. 3;

Fig. 5 is the left side view of the utility model Fig. 4.

The main portion conventional letter:

10 wheel bodys, 101 peripheral parts, 103 large-diameter portion axis holes

104 minor diameter part axis holes, 105 concave ring parts, 11 cods

110 urceolus, 111 inner cores, 12 radial bearings

13 packing rings, 141 large-diameter portions, 142 thread end

15 hold-doun nuts, 20 horn ring seats 21 are taken turns the cave

22 fixed parts, 23 minor diameter part axis holes, 24 shrinkage pools

25 concave ring parts

The baggage container horn ring of the utility model tool lateral support, as shown in Figs. 3-4, principal character is, wheel cave 21 at horn ring seat 20, use single axial bearing 11 and one single radial bearing 12, in detail, baggage container horn ring wheel seat 20 of the present utility model has open wheel cave 21 on one side, its another side has a fixed part 22 that is pivoted wheel, this fixed part 22 has more abundant material thickness, and the large-diameter portion shrinkage pool 24 that a minor diameter part axis hole 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 cod 11, a radial bearing 12, a packing ring 13, wheel shaft 14 and captive nut 15 etc.; Wherein, as shown in Figure 3, minor diameter part axis hole 104 on the wheel body and large-diameter portion axis hole 103 are except that can be for the abundant space of the formation of the cod 11 that is pivoted one, as shown in Figure 4, between the large-diameter portion axis hole of the periphery of bearing 11 and wheel body, form the first heat-dissipating space H1, and 22 of fixed parts in bearing inner core and wheel cave 21 form the second heat-dissipating space H2, in addition the most shrinkage pools that form with the isogonism space on the one side outwardly at wheel body are the 3rd heat-dissipating space H3, running between horn ring used life diagonal angle wheel jointly forms favourable radiating condition, so that the probability that horn ring may deform in use minimizes; In addition for single axial bearing 11 can stably be pivoted in the wheel body axis hole, multiple opposite side in bearing 11 is provided with a radial bearing 12 and is pivot joint mutually with the fixed part 22 in wheel cave 21, as shown in Figure 4, excessive or other correlative factor causes the unbalanced end thrust of 14 on wheel body 10 and wheel shaft all to can be radial bearing 12 being absorbed, turn round so baggage container horn ring of the present utility model can be obtained preferable stability because of gravity in baggage container walking in order to make wheel body 10.

Show that by cuing open of Fig. 4 assembly drawing can find out, horn ring wheel body 10 of the present utility model in fact only mat is located at radial bearing 12 between the concave ring part 25 of fixed part 22 of a wall in the concave ring part 105 of a side of the axial support of urceolus 110 of cod 11 of axial centre and wheel body 10 and wheel cave with the radial support of rotary type, and the length of the inner core 111 of cod 11 is greater than urceolus 110, while is down fixing wheel shaft 14 and hold-doun nut 15, make the urceolus 110 of cod, wheel body 10 and radial bearing 12 are rotating part, and the inner core 111 of cod, wheel shaft 14, packing ring 13 and hold-doun nut 15 etc. then are fixed part, the length of whole fixed part is greater than rotating part, therefore, the probability of the friction effect power that wheel body 10 and wheel shaft are 14 and the generation of end thrust is zero no better than, so the run stability of the utility model horn ring is excellent.

Claims

1. the baggage container horn ring of a tool lateral support, comprise: 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 is established single bearing with the interaxle axial centre of wheel position, a radial bearing is then established in radial center position in the wheel cave of wheel body and wheel seat one side, the mat wheel shaft passes from the wheel cave of wheel seat axis hole, through the axis hole of radial bearing, wheel axis hole and cod and locked on wheel seat through a retaining element and constitute.

2. the baggage container horn ring of tool lateral support according to claim 1, it is characterized in that: the periphery of this wheel one side is provided with a scrobicular ring ditch, and also be provided with a scrobicular ring ditch on wheel cave one wall with respect to wheel seat, so that radial bearing is hubbed on the wall between the wheel cave of this wheel and wheel seat, so that the running of wheel is more suitable sliding stable restfully.

3. the baggage container horn ring of tool lateral support according to claim 1 is characterized in that: this wheel by pivoted be fixed on the wall in baggage container horn ring wheel seat wheel cave, to make things convenient for the dismounting operation of wheel body.

4. the baggage container horn ring of tool lateral support according to claim 1 is characterized in that: a kind of lubricity good metal of this radial bearing ball bearing of main shaft.

5. the baggage container horn ring of tool lateral support according to claim 1 is characterized in that: this radial bearing is the good wear washer of a kind of lubricity.