CN211252085U

CN211252085U - Novel truckle

Info

Publication number: CN211252085U
Application number: CN202020004305.0U
Authority: CN
Inventors: 欧阳莫根
Original assignee: Zhongshan Vima Metal Products Co ltd
Current assignee: Zhongshan Vima Metal Products Co ltd
Priority date: 2020-01-02
Filing date: 2020-01-02
Publication date: 2020-08-14
Anticipated expiration: 2030-01-02

Abstract

The utility model discloses a novel caster, which comprises a bottom plate, a bracket, a plurality of first steel balls, an annular ring, a locking disc, a second steel ball and a roller structure, wherein the bracket is arranged at the lower end surface of the bottom plate and provided with an annular groove; the caster also comprises a brake component arranged on the bracket; support rear end department is equipped with the pedal mouth, and support middle part position is inwards punched out convex fulcrum axle inwards, and the brake subassembly is including articulating in the epaxial brake shell fragment of fulcrum, articulating in the brake shell fragment and passing the brake pedal board that the side of pedal mouth is the V style of calligraphy, and the V type position department of brake pedal board is equipped with the card hole, and the outside end department of brake shell fragment is equipped with the buckle piece that can buckle income card downthehole towards.

Description

Novel truckle

Technical Field

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

Background

The application of the caster is very extensive, the existing caster generally comprises a bottom plate, a bracket arranged at the lower end of the bottom plate, a steel ball arranged between the bottom plate and the bracket, a locking disc arranged at the inner top of the bracket, a steel ball arranged between the bracket and the locking disc, a roller structure arranged on the bracket and a brake assembly arranged on the bracket, wherein the brake assembly generally comprises a brake pedal and a brake elastic sheet; in addition, the assembly and positioning of the existing brake pedal are not stable and firm enough, the problems of falling off and the like often occur, and the brake pedal is not durable enough and influences the service life of a product. In addition, generally adopt square head screw assembly to realize the brake function among the current truckle, square head screw assembly's structure is loaded down with trivial details complicated, and the equipment process is various, and packaging efficiency is low, and manufacturing cost is high, and some truckles can adopt the friction preforming to realize the brake function, but current friction preforming's structural design is reasonable inadequately, and the friction pushes down the effect generally for the brake effect is not good enough, and brake efficiency is low.

Therefore, how to realize one kind and need not additionally to increase the articulated shaft, effectively simplify the product structure, effectively simplify production manufacturing procedure, reduction in production cost, and can make the brake running-board be difficult for droing for product stable in structure is firm, durable, effective increase of service life, and braking effect is ideal, and the efficient neotype truckle of brake is the technological problem that waits for solution in an urgent need in industry.

Disclosure of Invention

The utility model aims at providing a neotype truckle aims at realizing one kind and need not additionally to increase the articulated shaft, effectively simplifies the product structure, effectively simplifies production manufacturing procedure, reduction in production cost, and structural design is ingenious, makes the brake pedal be difficult for droing through buckle structure for product stable in structure is firm, durable, effective increase of service life, and the braking effect ideal, neotype truckle that brake efficiency is high.

The utility model provides a novel caster, which comprises a bottom plate, a bracket, a plurality of first steel balls, an annular ring, a locking disc, a plurality of second steel balls and a roller structure, wherein the bracket is arranged at the lower end surface of the bottom plate and provided with an annular groove; the caster also comprises a brake component which is arranged on the bracket and can limit the rolling of the roller structure and the rotation of the bracket; the rear end of the support is provided with a pedal hole, the middle position of the support is inwards stamped with an inwards protruding fulcrum shaft, the brake assembly comprises a brake elastic sheet hinged on the fulcrum shaft and a brake pedal plate hinged on the brake elastic sheet and penetrating through the side surface of the pedal hole to form a V shape, a clamping hole is arranged at the V-shaped position of the brake pedal plate, a clamping sheet capable of being clamped into the clamping hole is arranged at the outer side end of the brake elastic sheet upwards, and the clamping sheet is clamped into the clamping hole so that the brake pedal plate is hinged with the brake elastic sheet; the middle position of the brake elastic sheet is provided with a rotating clamp clamped on the fulcrum shaft, the outer side end of the brake elastic sheet is provided with a friction pressing sheet which can be pressed and fixed on the roller structure so as to stop the roller structure from rolling, the inner side end of the brake elastic sheet is upwards provided with a locking clamping block which can be occluded and locked with the locking teeth, the middle position of the brake elastic sheet is provided with a return elastic sheet which plays a return role, and the brake elastic sheet is of an integrally formed structure; when the brake pedal is stepped on by external force, the brake pedal is pressed down to drive the brake elastic sheet to be pressed down so as to drive the friction pressing sheet to be pressed and fixed on the roller structure to prevent the roller structure from rolling, and when the friction pressing sheet is pressed down to the roller structure, the locking clamping block of the brake elastic sheet moves upwards and is meshed with the locking teeth to lock the relative rotation between the locking bracket and the locking disc so as to achieve the effect of limiting the steering of the bracket.

Preferably, the lower end of the friction pressing sheet is provided with an arc-shaped convex seat, and the lower end of the arc-shaped convex seat is provided with a plurality of conical convex points.

Preferably, the roller structure includes a connecting shaft fixed at the lower end of the bracket, a bearing sleeved outside the connecting shaft, a rotatable hub sleeved outside the bearing, and a roller sleeved outside the hub.

Preferably, the rollers are made of PU material.

The utility model discloses a need not additionally to increase the articulated shaft, effectively simplify the product structure, effectively simplify production manufacturing procedure, reduction in production cost, and structural design is ingenious, makes the brake pedal be difficult for droing through buckle structure for product stable in structure is firm, durable, effective increase of service life, the brake effect ideal, novel truckle that brake efficiency is high.

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 a third schematic perspective view of an embodiment of a caster of the present invention;

fig. 4 is a partially exploded view of an embodiment of a caster of the present invention;

fig. 5 is a second partially exploded view of an embodiment of the caster of the present invention;

fig. 6 is a third exploded view of a portion of an embodiment of the 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 6, an embodiment of the present invention provides a caster, including a base plate 101, a support 102 installed at a lower end of the base plate 101 and having an annular groove, a plurality of first steel balls 103 installed in the annular groove and allowing relative rotation between the base plate 101 and the support 102, an annular ring 104 installed between the base plate 101 and the support 102 and surrounding the first steel balls 103, a locking plate 106 located at an inner top of the support 102 and linked with the base plate 101 through a socket nail 105, a plurality of second steel balls 107 installed between the support 102 and the locking plate 106, a roller structure installed at a lower end of the support 102 and capable of rotating along with the rotation of the support 102, the support 102 is sleeved outside the socket nail 105 and capable of rotating, and a plurality of locking teeth 108 are installed at a lower end surface of the locking plate 106.

The novel caster also includes a brake assembly mounted to the frame 102 and configured to limit the rolling motion of the roller structure and to limit the rotation of the frame 102.

The rear end of the bracket 102 is provided with a pedal opening 109, the middle position of the bracket 102 is inwards stamped with an inward convex fulcrum shaft 110, the brake component comprises a brake elastic sheet 111 hinged on the fulcrum shaft 110 and a brake pedal 112 hinged on the brake elastic sheet 111 and penetrating through the side surface of the pedal opening 109 to be V-shaped, a clamping hole 113 is arranged at the V-shaped position of the brake pedal 112, a clamping piece 114 capable of being clamped into the clamping hole 113 is arranged at the outer side end of the brake elastic sheet 111, and the clamping piece 114 is clamped into the clamping hole 113 so that the brake pedal 112 is hinged with the brake elastic sheet 111.

The middle position of the brake elastic sheet 111 is provided with a rotating clamp 115 clamped on the fulcrum shaft 110, the outer side end of the brake elastic sheet 111 is provided with a friction pressing sheet 116 which can be pressed and fixed on the roller structure to stop the roller structure from rolling, the inner side end of the brake elastic sheet 111 is upwards provided with a locking clamping block 117 which can be engaged and locked with the locking teeth 108, the middle position of the brake elastic sheet 111 is provided with a return elastic sheet 118 which plays a return role, and the brake elastic sheet 111 is of an integrally formed structure.

The structural design of this truckle is novel, through scientific and reasonable's structural design for the truckle need not additionally to increase the articulated shaft, can make brake shell fragment 111, the articulated installation of brake running-board 112, has effectively simplified the product structure, simplifies production and processing processes. In addition, the fastening piece 114 of the brake elastic sheet 111 is fastened into the fastening hole 113 of the brake pedal 112, so that the brake pedal 112 is hinged to the brake elastic sheet 111, and the fastening effect is exerted on the brake pedal 112, so that the brake pedal 112 is not easy to fall off, the product structure is stable and firm, the durability is realized, and the service life is effectively prolonged.

When the brake pedal 112 is stepped on by an external force, the brake pedal 112 is pressed down to drive the brake spring 111 to be pressed down so as to drive the friction pressing sheet 116 to be pressed and fixed on the roller structure, so that the roller structure is prevented from rolling, and when the friction pressing sheet 116 is pressed down to the roller structure, the locking fixture 117 of the brake spring 111 moves upwards and is occluded and locked with the locking teeth 108, so that the relative rotation between the locking bracket 102 and the locking disc 106 is locked, and the effect of limiting the rotation direction of the bracket 102 is achieved.

Generally adopt square head screw assembly to realize the brake function in the truckle now, square head screw assembly's the loaded down with trivial details complicacy of structure, the equipment process is various, and packaging efficiency is low, and manufacturing cost is high, and some truckles can adopt friction preforming 116 to realize the brake function, but current friction preforming 116's structural design is reasonable inadequately, and the friction pushes down the effect generally for the brake effect is not good enough, and brake efficiency is low. And the friction preforming 116 lower extreme of this truckle is equipped with arc convex seat 123, and arc convex seat 123 lower extreme is equipped with a plurality of toper bumps, and toper bump and arc convex seat 123 all have the effect that the friction pushed down, can strengthen the brake effect like this, effectively shorten brake time, and the friction pushes down the effect ideal, and the brake effect ideal, brake shell fragment 111 is the integrated into one piece structure moreover, effectively simplifies the product structure, and production and processing is convenient, has effectively simplified production equipment process, reduction in production cost.

The roller structure includes a connecting shaft 119 fixed to the lower end of the bracket 102, a bearing 120 sleeved outside the connecting shaft 119, a hub 121 rotatably sleeved outside the bearing 120, and a roller 122 sleeved outside the hub 121.

The roller is made of PU materials.

The utility model discloses a need not additionally to increase the articulated shaft, effectively simplify the product structure, effectively simplify production manufacturing procedure, reduction in production cost, and structural design is ingenious, makes brake pedal 112 be difficult for droing through buckle structure for product stable in structure is firm, durable, effective increase of service life, the braking effect ideal, the efficient neotype truckle brakes.

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

1. A novel caster is characterized by comprising a bottom plate, a bracket, a plurality of first steel balls, an annular ring, a locking disc, a plurality of second steel balls and a roller structure, wherein the bracket is arranged at the lower end of the bottom plate and provided with an annular groove;

the caster also comprises a brake component which is arranged on the bracket and can limit the rolling of the roller structure and the rotation of the bracket;

the rear end of the support is provided with a pedal hole, the middle position of the support is inwards stamped with an inwards protruding fulcrum shaft, the brake assembly comprises a brake elastic sheet hinged on the fulcrum shaft and a brake pedal plate hinged on the brake elastic sheet and penetrating through the side surface of the pedal hole to form a V shape, a clamping hole is arranged at the V-shaped position of the brake pedal plate, a clamping sheet capable of being clamped into the clamping hole is arranged at the outer side end of the brake elastic sheet upwards, and the clamping sheet is clamped into the clamping hole so that the brake pedal plate is hinged with the brake elastic sheet;

the middle position of the brake elastic sheet is provided with a rotating clamp clamped on the fulcrum shaft, the outer side end of the brake elastic sheet is provided with a friction pressing sheet which can be pressed and fixed on the roller structure so as to stop the roller structure from rolling, the inner side end of the brake elastic sheet is upwards provided with a locking clamping block which can be occluded and locked with the locking teeth, the middle position of the brake elastic sheet is provided with a return elastic sheet which plays a return role, and the brake elastic sheet is of an integrally formed structure;

when the brake pedal is stepped on by external force, the brake pedal is pressed down to drive the brake elastic sheet to be pressed down so as to drive the friction pressing sheet to be pressed and fixed on the roller structure to prevent the roller structure from rolling, and when the friction pressing sheet is pressed down to the roller structure, the locking clamping block of the brake elastic sheet moves upwards and is meshed with the locking teeth to lock the relative rotation between the locking bracket and the locking disc so as to achieve the effect of limiting the steering of the bracket.

2. The novel caster wheel as claimed in claim 1, wherein the friction pad has an arc-shaped boss at a lower end thereof, and the arc-shaped boss has a plurality of tapered protrusions at a lower end thereof.

3. A novel caster wheel as claimed in claim 1 or 2, wherein the roller structure comprises a connecting shaft fixed to the lower end of the support, a bearing sleeved outside the connecting shaft, a hub rotatably sleeved outside the bearing, and a roller sleeved outside the hub.

4. The new caster wheel of claim 3, wherein said roller is made of PU material.