CN2888175Y

CN2888175Y - Truckle for trunk

Info

Publication number: CN2888175Y
Application number: CN 200620008139
Authority: CN
Inventors: 江锡鋘
Original assignee: ZHONGSHAN HUANGGUAN LEATHER-ARTICLE Co Ltd
Current assignee: ZHONGSHAN HUANGGUAN LEATHER-ARTICLE Co Ltd
Priority date: 2006-03-17
Filing date: 2006-03-17
Publication date: 2007-04-11
Anticipated expiration: 2016-03-17

Abstract

A caster wheel of luggage box comprises a wheel seat, a wheel carrier, a wheel body and a brake gear; the main structure is coaxial arranged rolling part and at least a stopper part on wheel body, the brake gear comprises a switching part, a driven lever and a brake part, the switching part is pin connected with wheel seat and can swing between the first position and the second position, the both ends of driven lever are separately connected with driving end of switching part and brake part with a stopper part, when switching part is located at first position, follower lever move to the first direction and drive brake part of stopper part resist to wheel body, when switching part is located at the second position, the follower lever move to the second direction and drive brake part of stopper to part from stopper of wheel body; thus, the utility model has advantages of best brake effect and convenient operation.

Description

The castor that trunk uses

Technical field

The utility model is relevant with trunk, the castor that uses about a kind of trunk particularly, and castor has brake structure.

Background technique

Press, trunk has easy carrying and is provided with most castors in its bottom side for asking, and it can be passed or spur easily; Wherein this type of trunk more is provided with one and can stops the brake apparatus that castor rolls, and causes displacement to prevent trunk because of being subjected to external factors such as ground inclination or external force collision.

See also Fig. 1, the castor 1 of its a kind of trunk that discloses has a wheel seat 11, a wheel carrier 12, a wheel body 13, and compresses sheet 14, an and pulling piece 15, wherein wheel seat 11 is incorporated on the casing 10, wheel carrier 12 is hubbed at wheel seat 11, wheel body 13 is hubbed at wheel carrier 12, it is affixed to compress sheet 14 1 ends and wheel carrier 12, the other end forms a conflict end 141, pulling piece 15 1 ends are hubbed at wheel carrier 12, the other end forms a pressing end 151, and pulling piece 15 formation one between pivot joint one end and pressing end 151 presses portion 152; Utilization presses pressing end 151 to order about pulling piece 15 downward pivot pendulum, causes it to press 152 times pushing and pressing compressing tablets 14 of portion simultaneously, causes the conflict end 141 that compresses sheet 14 and contacts with wheel body 13 wheel faces, and wheel body 13 is produced the brake effect.

Only, the conflict end that compresses sheet 14 141 of said structure is little with the contact friction area of wheel body 13 wheel faces, and the end 141 of conflicting contacts with " point " with wheel body 13 wheel faces, and this point of contact position is in a side that departs from wheel body 13 centers of rotation, therefore, above-mentioned set-up mode only is applicable to and wherein one turns to and limit what wheel body 13 rotated, state as shown in the figure is that the wheel body 13 that is suitable for clockwise direction is rotated produces the brake effect, otherwise, when wheel body 13 rotates with counter clockwise direction, compress the rotation that the conflict end 141 of sheet 14 is not enough to resist wheel body 13, base this, casing 10 still may produce displacement under external force.

Moreover, but because of the pulling piece 15 of control brake is to be connected on the wheel carrier 12 of original place rotation, causing pulling piece 15 is not to be in a fixed position, when user's desire control wheel body 13 does not rotate, the pressing end 151 that must search out pulling piece 15 earlier can use, therefore, and not convenient on the derivation operation.

The model utility content

Main purpose of the present utility model is to provide a kind of castor of trunk use, has the advantage that the brake effect is certain and be convenient to operate.

For reaching above-mentioned purpose, the castor that a kind of trunk of the utility model uses is characterized in that, includes:

One wheel seat is fixedly arranged on this trunk, and has perforation on;

One wheel carrier articulates with this wheel seat, and has perforation;

One wheel body is articulated in this wheel carrier, and this wheel body has a rolled portion and at least one stopper part of coaxial setting, and this rolled portion diameter is greater than this stopper part diameter; And

One braking device, comprise a switch piece, one follower lever and a Braking piece, this switch piece is articulated in this wheel seat and can swings between a primary importance and a second place, this switch piece has one and touches an end and a drive end, this shake-up end exposes to this wheel seat outside, this follower lever is arranged in the following perforation of going up perforation and this wheel carrier of this wheel seat, the follower lever top also articulates with the drive end of this switch piece, this Braking piece is connected with this follower lever bottom, and has a retainer, when this switch piece is positioned at primary importance, this follower lever is towards a first direction displacement and drive the retainer of this Braking piece and conflict in the stopper part of this wheel body, when this switch piece was positioned at the second place, this follower lever was towards second direction displacement opposite with this first direction, and the retainer that drives this Braking piece relatively this wheel body retainer portion from.

Wherein this follower lever proximal portion is provided with an annular groove, the drive end of this switch piece is made of two parallel lugs, this braking device comprises a shaft-cup and an axostylus axostyle, this shaft-cup cover is fixed in this follower lever top, and between this two lug, this axostylus axostyle runs through this two lug and this shaft-cup simultaneously, and this axostylus axostyle is placed through in the annular groove of this follower lever.

Wherein this braking device also includes at least one spring, the lug butt of this spring one end and this switch piece, and the other end and this wheel seat internal face butt, this spring provide an active force to impel this switch piece positively to be positioned this primary importance or this second place.

Wherein at least one stopper part of this wheel body includes two stopper parts, this two stopper part is recessed to form from the bi-side of this rolled portion respectively, and have most the outer projections that are around arrangement and reach the recess between the projection outside adjacent being somebody's turn to do, the side plate that this Braking piece has a top board and is connected in these top board two ends and extends downwards, this top board is connected with this follower lever bottom, this two side plate is positioned at this outside, two stopper parts, respectively this side plate has a block, those blocks constitute this retainer, when this switch piece was positioned at primary importance, the block that this follower lever moved and drove each side plate of this Braking piece up fell within corresponding arbitrary recess.

Wherein this top board has an open-work, and this follower lever bottom is passed this open-work and is provided with a ring piece, and this ring piece diameter is greater than the aperture of this open-work.

Comprising an axle sleeve is arranged, this axle sleeve is placed through in the following perforation of going up perforation and this wheel carrier of this wheel seat, and having an axis hole passes for this follower lever, this axle sleeve top is provided with retaining edge and this wheel seat inner face butt on one, the bottom is provided with and keeps off edge and this wheel carrier inner face butt, makes this wheel carrier articulate and can rotate relative to this wheel seat with this wheel seat thus.

Wherein also include a bearing, this bearing has a ring plate and a plurality of ball, and this ring plate is between this axle sleeve and this wheel carrier, and it has a center hole and pass for this follower lever, and a plurality of hold pore size distribution around this center hole for being installed with those balls.

Thus, can allow this pulling piece start and location really and between via this braking device to the second place in primary importance, the retainer of guaranteeing this Braking piece can engage with the stopper part of this wheel body, no matter this wheel body is to rotate clockwise or counterclockwise, can both reach the certain purpose of brake effect; In addition, this pulling piece is in a fixed position, and can displacement does not allow this pulling piece of user's easy operating brake with the rotation of this wheel body or this wheel carrier, and operational convenience is provided; To sum up institute is old, the utlity model has the advantage that the brake effect is certain and be convenient to operate.

Description of drawings

In order to describe structure of the present utility model, feature and effect in detail, below in conjunction with three preferred embodiments and conjunction with figs., be described as follows, wherein:

Fig. 1 is the structural drawing for the castor of existing trunk.

Fig. 2 is the assembly three-dimensional exploded view of the utility model first preferred embodiment.

Fig. 3 is the assembled sectional view of the utility model first preferred embodiment, discloses switch piece and is positioned at primary importance.

Fig. 4 is the plan view of Fig. 3.

Fig. 5 is another assembled sectional view of the utility model first preferred embodiment, discloses switch piece and is positioned at primary importance.

Fig. 6 is the assembled sectional view of the utility model first preferred embodiment, discloses switch piece and is positioned at the second place.

Fig. 7 is another assembled sectional view of the utility model first preferred embodiment, discloses switch piece and is positioned at the second place.

Fig. 8 is the assembled sectional view of the utility model second preferred embodiment, discloses block and is cylindric.

Fig. 9 is another assembled sectional view of the utility model second preferred embodiment.

Embodiment

See also Fig. 2 to Fig. 7, it includes a wheel seat 40, a wheel carrier 50, an axle sleeve 60, a bearing 70, a wheel body 80 for first preferred embodiment of the castor 30 of the utility model trunk use, and a braking device 90, wherein:

This wheel seat 40 is fixedly arranged on trunk, and has perforation 42 and one opening 44 on.

This wheel carrier 50 is positioned at wheel seat 40 belows, and it has a top board 51, two pivot ears 54, a pivot pin 56 and a screw 58, and this top board 51 has bores a hole 52, and this two pivots ear 54 is connected to this top board 51 both sides, and each pivot ear 54 also has a perforation 55.

This axle sleeve 60 is for having the pipe body of an axis hole 62, it is placed through in the following perforation 52 of going up perforation 42 and this wheel carrier 50 of this wheel seat 40 simultaneously, and its top radially extends outwardly and forms retaining edge 64 on, as shown in Figure 3, should go up retaining edge 64 and a Upper gasket 65 butts that are arranged on these wheel seat 40 inside, these axle sleeve 60 bottoms then radially extend outwardly to form and keep off edge 66, and this time retaining edge 66 and wheel carrier 50 inner face butts, make this wheel carrier 50 articulate and can rotate thus relative to this wheel seat 40 with this wheel seat 40, in addition, this axle sleeve 60 has an inward flange 63 in axis hole 62.

This bearing 70 comprises a ring plate 72 and a plurality of balls 74, this ring plate 72 is between this wheel seat 40 and this wheel carrier 50, and it has a center hole 76 and a plurality of hole 78 of holding, those hold hole 78 and are distributed in this center hole 76 on every side for being installed with those balls 74, respectively these ball 74 apical margins contact with a lower levelling plate 67, and root edge then contacts with wheel carrier 50 top ends.

This wheel body 80 has a rolled portion 82, two stopper parts 84 and a perforation 86 of coaxial setting, these rolled portion 82 diameters are greater than these stopper part 84 diameters, this two stopper part 84 is recessed to form from the bi-side of this rolled portion 82 respectively, and by most be around the outer projection of arranging 841 and outside adjacent recess between the projection 841 842 constituted, the pivot pin 56 of this wheel carrier 50 passes the perforation 86 of perforation 55 with this wheel body 80 of this two pivots ear 54, screw togather with this screw 58 again and set firmly, make this wheel body 80 be articulated in this wheel carrier 50.

This braking device 90 comprises a switch piece 91, a follower lever 92, a shaft-cup 93, an axostylus axostyle 94, two springs 95 and a Braking piece 96, wherein:

This switch piece 91 generally is a plate body, it is worn by a pivot pin 911 and is articulated in this wheel seat 40, and can between a primary importance P1 (Fig. 3 reference) and a second place P2 (Fig. 6 reference), swing, this switch piece 91 is respectively one in two side ends and touches end 912 and one drive end 913, this shake-up is held 912 openings 44 from this wheel seat 40 to pass and is exposed to this wheel seat 40 outsides, please cooperate shown in Figure 4ly, this drive end 913 is to be made of two parallel lug 913a;

These follower lever 92 proximal portions are provided with an annular groove 921, and are provided with a ring piece 922 in the place, bottom;

These shaft-cup 93 covers are fixed in this follower lever 92 tops, and between this two lug 913a, this shaft-cup 93 has a cross-perforating 931;

This axostylus axostyle 94 runs through the perforation 931 of this two lugs 913a and this shaft-cup 93 simultaneously, and is placed through in the annular groove 921 of this follower lever 92, and these follower lever 92 tops and this switch piece 91 are articulated;

Two lug 913a butts of these two springs, 95 1 ends and this switch piece 91, the other end and this wheel seat 40 internal face butts impel this switch piece 91 positively to be positioned this primary importance P1 or this second place P2 in order to an active force to be provided;

This Braking piece 96 has a top board 961 and these top board 961 two ends and the side plate 962 of extension certainly downwards, this top board 961 has an open-work 961a, this open-work 961a aperture is less than ring piece 922 diameters, therefore after passing open-work 961a, follower lever 92 makes that ring piece 922 connects with top board 961 inner faces, this two side plate 962 is positioned at this 84 outsides, two stopper parts, respectively these side plate 962 inner faces have the retainer that is made of outstanding block 963, and aforementioned block 963 generally is the triangle taper.

Above-mentioned is the castor 30 structures narration of the utility model first preferred embodiment, below the brake control mode of castor 30 is described now:

As Fig. 3 and shown in Figure 5, when the shake-up end 912 of this switch piece 91 is pulled to the process of primary importance P1 down, this follower lever 92 is to move towards last first direction D1, and the block 963 that drives each side plate 962 of this Braking piece 96 falls within the wherein recess 842 of this wheel body 80, on the inward flange 63 butts beginning of top board 961 and axle sleeve 60 stops, moving, in this way, this wheel body 80 is produced the brake effects in order to do reaching, no matter and this wheel body 80 all can effectively prevent the rolling again of this wheel body 80 in positive and reverse steering.

When desire is removed the brake state, the user only need upwards pull the shake-up end 912 of switch piece 91 and get final product, as Figure 6 and Figure 7, the shake-up end 912 that is switch piece 91 changes to second place P2 from primary importance P1, this moment follower lever 92 towards under second direction D2 displacement, it impels recess 842 disengagings of block 963 relative these wheel bodys 80 of Braking piece 96, thus, this wheel body 80 is replied aspect free to rotate, that is trunk can be towed by the rotation of this castor 30; From the above, switch piece 91 fixed-site of the utility model castor 30 are convenient to the user and are controlled brake apace and remove brake.

Please consult Fig. 8 and Fig. 9 again, it is second preferred embodiment of the castor of the utility model trunk use, the castor 30 of the structure of this castor 30a and start principle and first preferred embodiment is roughly the same, different being in the block 963a of present embodiment castor 30a generally be cylindric.

The above only is a preferable possible embodiments of the present utility model, and the equivalent structure that every application the utility model specification and claim are done changes, and ought to be included in the claim of the present utility model.

Claims

1. the castor that trunk uses is characterized in that, includes:

One wheel seat is fixedly arranged on this trunk, and has perforation on;

One wheel carrier articulates with this wheel seat, and has perforation;

2. the castor that trunk as claimed in claim 1 uses, it is characterized in that, wherein this follower lever proximal portion is provided with an annular groove, the drive end of this switch piece is made of two parallel lugs, this braking device comprises a shaft-cup and an axostylus axostyle, and this shaft-cup cover is fixed in this follower lever top, and between this two lug, this axostylus axostyle runs through this two lug and this shaft-cup simultaneously, and this axostylus axostyle is placed through in the annular groove of this follower lever.

3. the castor that uses as Lee's case of row as described in the claim 2, it is characterized in that, wherein this braking device also includes at least one spring, the lug butt of this spring one end and this switch piece, the other end and this wheel seat internal face butt, this spring provide an active force to impel this switch piece positively to be positioned this primary importance or this second place.

4. the castor that trunk as claimed in claim 1 uses, it is characterized in that, wherein at least one stopper part of this wheel body includes two stopper parts, this two stopper part is recessed to form from the bi-side of this rolled portion respectively, and have most the outer projections that are around arrangement and reach the recess between the projection outside adjacent being somebody's turn to do, the side plate that this Braking piece has a top board and is connected in these top board two ends and extends downwards, this top board is connected with this follower lever bottom, this two side plate is positioned at this outside, two stopper parts, respectively this side plate has a block, those blocks constitute this retainer, when this switch piece was positioned at primary importance, the block that this follower lever moved and drove each side plate of this Braking piece up fell within corresponding arbitrary recess.

5. the castor that trunk as claimed in claim 4 uses is characterized in that wherein this top board has an open-work, and this follower lever bottom is passed this open-work and is provided with a ring piece, and this ring piece diameter is greater than the aperture of this open-work.

6. the castor that trunk as claimed in claim 1 uses, it is characterized in that, comprising an axle sleeve is arranged, this axle sleeve is placed through in the following perforation of going up perforation and this wheel carrier of this wheel seat, and having an axis hole passes for this follower lever, this axle sleeve top is provided with retaining edge and this wheel seat inner face butt on one, and the bottom is provided with and keeps off edge and this wheel carrier inner face butt, makes this wheel carrier articulate and can rotate relative to this wheel seat with this wheel seat thus.

7. the castor that trunk as claimed in claim 6 uses, it is characterized in that, wherein also include a bearing, this bearing has a ring plate and a plurality of ball, this ring plate is between this axle sleeve and this wheel carrier, and it has a center hole and passes for this follower lever, and a plurality of hold pore size distribution around this center hole for being installed with those balls.