CN211843956U - Novel truckle - Google Patents

Abstract

The utility model discloses a novel caster, which comprises a shaft lever, a bearing, a wheel core, an adhesive coating layer injected outside the wheel core, a bearing cover sleeved outside the shaft lever and covering the bearing, and a dust cover covering the side of the wheel core; the wheel core comprises an inner ring part sleeved outside the bearing, a first outer ring part enclosed outside the inner ring part, a second outer ring part extending outwards from the first outer ring part, a plurality of connecting rods connected between the inner ring part and the first outer ring part, and an annular reinforcing rib extending outwards from the second outer ring part; an annular groove is formed between the first outer ring part and the second outer ring part, a plurality of grooves are formed in the annular reinforcing ribs, and a plurality of rubber-coated communication holes are formed between the annular reinforcing ribs and the outer ring part; a clamping hole is formed between every two adjacent connecting rods, a plurality of through holes and installation jacks are formed in the connecting rods, a plurality of clamping convex edges extend inwards from the inner side surface of the dustproof cover, and a plurality of clamping columns extend inwards from the inner side surface of the dustproof cover; the wheel core is of an integrated injection molding structure.

Description

Novel truckle

Technical Field

The utility model relates to a technical field of truckle, in particular to novel truckle.

Background

The truckle generally includes that axostylus axostyle, cover are established and are fixed in the outer bearing of axostylus axostyle, the cover establish be fixed in the outer wheel core that forms of moulding plastics of bearing, mould plastics in the outer rubber coating layer of wheel core, current bearing generally all exposes outside, and is dustproof not, does not obtain effectual protection, rusts easily.

In addition, in the existing production process, after the wheel core is formed by injection molding, the wheel core needs to be sent to an electroplating factory for an electroplating process, and then the wheel core is conveyed back to carry out the injection molding process of the rubber coating layer on the wheel core, so that the production period is long, the electroplating cost and the transportation cost are high, and in the injection molding process of the rubber coating layer, an injection mold easily crushes the electroplated layer, so that the yield of products is low, the rejection rate is always as high as 60%, and even if the received products are subjected to small crushing indentation.

In addition, the structural design of current wheel core is old than tradition, consumes more raw and other materials, and the time of moulding plastics is long, and material cost is high, and it is serious to contract during moulding plastics, leads to the product size not up to standard, contract when moulding plastics seriously and still can lead to the condition that wheel core side unevenness appears, like this when carrying out subsequent rubber coating and mould plastics, injection mold just crushes the plating layer easily, has lead to the defective rate of product to be high or not down, and the defective rate is up to 30%, and the rejection rate is up to 10%.

In addition, the rubber coating layer generally plays the effect of shock attenuation buffering, and the help truckle rolls steadily, and the rubber coating layer is all fixed outside the wheel core through the mode of moulding plastics usually, nevertheless because the adhesive force of rubber coating layer is limited, and in current product structure moreover, the combination between rubber coating layer and the wheel core is firm inadequately, rolls for a long time and shakes the back, and the rubber coating layer appears becoming flexible easily and drops, and the truckle is difficult to normal operating.

Therefore, how to realize a structural design is novel reasonable, effectively save the material of moulding plastics, effectively shorten the time of moulding plastics, and effectively reduce the shrink deflection of the in-process of moulding plastics, to ensure that the product size is up to standard, can make rubber coated layer and wheel core zonulae occludens, it is firm to connect, reduce electroplating cost and cost of transportation, shorten production cycle greatly, improve the yield of product, the neotype truckle that plays the guard action to the bearing simultaneously is the technological problem of waiting to solve in an urgent need in industry.

Disclosure of Invention

The utility model aims at providing a novel truckle, it is novel reasonable to aim at realizing a structural design, effectively save the material of moulding plastics, effectively shorten the time of moulding plastics, and effectively reduce the shrinkage deflection of the in-process of moulding plastics, reach standard in order to ensure product size, can make rubber coating layer and wheel core combine closely, it is firm to connect, be equipped with the shield that plays dustproof guard action and decorative effect, reduce electroplating cost and cost of transportation, shorten production cycle greatly, improve the yield of product, be equipped with the bearing cap that plays guard action to the bearing, have the neotype truckle of dustproof rust-resistant effect.

The utility model provides a novel caster, which comprises a shaft lever, a bearing sleeved and fixed outside the shaft lever, a wheel core formed by injection molding and fixed outside the bearing, an adhesive coating layer injected outside the wheel core, a bearing cover sleeved outside the shaft lever and covering the bearing, and a dust cover covering the side of the wheel core and connected with the bearing cover; the wheel core comprises an inner ring part fixed outside the bearing in a sleeved mode, a first outer ring part arranged outside the inner ring part in a surrounding mode, a second outer ring part extending outwards from the first outer ring part, a plurality of connecting rods connected between the inner ring part and the first outer ring part, and annular reinforcing ribs extending outwards from the second outer ring part; an annular groove for filling the encapsulating layer is formed between the first outer ring part and the second outer ring part, a plurality of grooves capable of being meshed with the encapsulating layer are formed in the annular reinforcing rib, and a plurality of encapsulating communicating holes for filling the encapsulating layer are formed between the annular reinforcing rib and the outer ring part; a clamping hole is formed between adjacent connecting rods, a plurality of through holes and installation jacks are formed in the connecting rods, a plurality of clamping convex edges fixedly clamped with the clamping hole extend inwards from the inner side surface of the dustproof cover, and a plurality of clamping and inserting columns fixedly clamped with the installation jacks extend inwards from the inner side surface of the dustproof cover; the wheel core is of an integrated injection molding structure.

Preferably, the cross-section of the mounting socket is provided as a hexagon.

Preferably, the dust cover is made of ABS material.

The utility model discloses a structural design is novel reasonable, effectively save the material of moulding plastics, reduce material cost, effectively shorten the time of moulding plastics, and effectively reduce the shrinkage deflection of the in-process of moulding plastics, to ensure that the product size is up to standard, can make the rubber-coated layer and wheel core combine closely, it is firm to connect, be equipped with the shield that plays dustproof guard action and decorative action, reduce electroplating cost and cost of transportation, shorten production cycle greatly, improve the yield of product, be equipped with the bearing cap that plays guard action to the bearing, have the neotype truckle of dustproof rust-resistant effect.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of a caster of the present invention;

fig. 2 is a second schematic perspective view of an embodiment of a caster of the present invention;

fig. 3 is an exploded perspective view of an embodiment of a caster of the present invention;

fig. 4 is a schematic perspective view of a shaft lever, a bearing, and a wheel core according to an embodiment of the novel caster of the present invention.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 4, an embodiment of the caster of the present invention is provided, which includes a shaft rod 101, a sleeve, a bearing 102 fixed outside the shaft rod 101, a sleeve, a core fixed outside the bearing 102 and formed by injection molding, an encapsulating layer 103 injected outside the core, a bearing cap 104 sleeved outside the shaft rod 101 and covering the bearing 102, and a dust cap 105 covering the side of the core and connected to the bearing cap 104, wherein the bearing cap 104 does not leave a gap between the dust cap 105. The bearing cover 104 effectively protects the bearing 102, so that the bearing 102 is not exposed to the outside, and the dustproof and antirust effects are achieved.

The wheel core comprises an inner ring part 106 fixed outside the bearing 102 in a sleeved mode, a first outer ring part 107 arranged outside the inner ring part 106 in a surrounding mode, a second outer ring part 108 extending outwards from the first outer ring part 107, a plurality of connecting rods 109 connected between the inner ring part 106 and the first outer ring part 107, and an annular reinforcing rib 110 extending outwards from the second outer ring part 108.

An annular groove 111 for filling the encapsulating layer 103 is arranged between the first outer ring part 107 and the second outer ring part 108, so that the encapsulating layer 103 and the wheel core are tightly combined, and the connection is stable and firm.

The annular reinforcing rib 110 is provided with a plurality of grooves 112 capable of being meshed with the rubber coating layer 103, a plurality of rubber coating communication holes 113 for filling the rubber coating layer 103 are formed between the annular reinforcing rib 110 and the outer ring part, the wheel core is firmer due to the arrangement of the annular reinforcing rib 110, in addition, the grooves 112 and the rubber coating communication holes 113 can further enable the rubber coating layer 103 to be tightly combined with the wheel core, the adhesive force of the rubber coating layer 103 is enhanced, the connection between the rubber coating layer 103 and the wheel core is stable and firm, after long-term rolling and vibration, the rubber coating layer 103 is not easy to loosen and fall off, and the normal operation of the caster is ensured.

A clamping hole 114 is arranged between adjacent connecting rods 109, and a plurality of through holes 115 and installation jacks 116 are arranged on the connecting rods 109. The through hole 115 can effectively save materials, reduce material cost, effectively shorten the time of moulding plastics, effectively reduce the shrink deflection of the in-process of moulding plastics moreover to ensure that the product size reaches standard.

A plurality of clamping convex edges 117 which are clamped and fixed with the clamping holes 114 extend inwards from the inner side surface of the dust cover 105, the bearing performance of the dust cover can be ensured by the clamping convex edges 117, and a plurality of card inserting columns 118 which are clamped and fixed with the installation inserting holes 116 extend inwards from the inner side surface of the dust cover 105. Therefore, the interior of the dustproof cover 105 is of an evacuated structure, the material cost is greatly reduced, but the bearing capacity is unchanged, the requirements of customers and standards are met, and the competitiveness of products is effectively improved.

This neotype truckle has set up the shield 105 that the lid was located wheel core side department and was met with bearing cap 104, shield 105 plays dustproof guard action and decorative effect, thus, the wheel core is moulding plastics and is accomplishing the back, need not additionally to send the electroplating process in the electroplating factory outward, can continue to carry out the process of moulding plastics of bond coating 103, reduce electroplating cost and cost of transportation, production cycle has been shortened greatly, there is not the problem of crushing plating layer when bond coating 103 moulds plastics yet, the yield of product has been improved greatly, the product percent of pass is high, the surface does not have the indentation.

The wheel core is of an integrated injection molding structure.

The mounting socket 116 has a hexagonal cross section, and thus the card insertion between the mounting socket 116 and the card post 118 is stable.

The engaging holes 114 and the engaging flanges 117 are triangular, so that the dust cap 105 and the wheel core can be firmly and stably engaged with each other.

The dust cover 105 is made of ABS material, and the surface of the dust cover 105 may be plated as required, such as by an aluminum plating. The current shield adopts the PP material to make basically, and the utility model discloses a shield 105 adopts the ABS material to make, and the electroplating effect is very ideal, and the adhesive force of electroplating the aluminium lamination is stronger, also more pleasing to the eye, and the surface is smooth exquisite. Moreover, the interior of the dustproof cover 105 is designed to be of an evacuation type structure, so that the material cost is greatly reduced, but the bearing capacity is unchanged, the requirements of customers and standards are met, and the competitiveness of products is effectively improved.

The utility model discloses a structural design is novel reasonable, effectively save the material of moulding plastics, reduce material cost, effectively shorten the time of moulding plastics, and effectively reduce the shrinkage deflection of the in-process of moulding plastics, in order to ensure that the product size is up to standard, can make rubber coating layer 103 and wheel core combine closely, it is firm to connect, be equipped with the shield 105 who plays dustproof guard action and decorative action, reduce electroplating cost and cost of transportation, shorten production cycle greatly, improve the yield of product, be equipped with the bearing cap 104 who plays guard action to bearing 102, have the neotype truckle of dustproof rust-resistant effect.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structural changes made by the contents of the specification and the drawings, or the direct or indirect application in other related technical fields, are included in the same way in the protection scope of the present invention.

Claims (3)

1. A novel caster is characterized by comprising a shaft lever, a bearing sleeved and fixed outside the shaft lever, an injection molded wheel core sleeved and fixed outside the bearing, an encapsulating layer injection molded outside the wheel core, a bearing cover sleeved outside the shaft lever and covering the bearing, and a dust cover covering the side surface of the wheel core and connected with the bearing cover;

the wheel core comprises an inner ring part fixed outside the bearing in a sleeved mode, a first outer ring part arranged outside the inner ring part in a surrounding mode, a second outer ring part extending outwards from the first outer ring part, a plurality of connecting rods connected between the inner ring part and the first outer ring part, and annular reinforcing ribs extending outwards from the second outer ring part;

an annular groove for filling the encapsulating layer is formed between the first outer ring part and the second outer ring part, a plurality of grooves capable of being meshed with the encapsulating layer are formed in the annular reinforcing rib, and a plurality of encapsulating communicating holes for filling the encapsulating layer are formed between the annular reinforcing rib and the outer ring part;

a clamping hole is formed between adjacent connecting rods, a plurality of through holes and installation jacks are formed in the connecting rods, a plurality of clamping convex edges fixedly clamped with the clamping hole extend inwards from the inner side surface of the dustproof cover, and a plurality of clamping and inserting columns fixedly clamped with the installation jacks extend inwards from the inner side surface of the dustproof cover;

the wheel core is of an integrated injection molding structure.

2. A new castor according to claim 1, wherein the mounting socket is hexagonal in cross-section.

3. A novel castor according to claim 1 or claim 2, wherein the dust cap is formed from ABS material.

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