CN220548878U

CN220548878U - Heavy castor

Info

Publication number: CN220548878U
Application number: CN202322209770.4U
Authority: CN
Inventors: 陶小燕
Original assignee: Chongqing Xiborui Machinery Co ltd
Current assignee: Chongqing Xiborui Machinery Co ltd
Priority date: 2023-08-16
Filing date: 2023-08-16
Publication date: 2024-03-01
Anticipated expiration: 2033-08-16

Abstract

The utility model discloses a heavy castor, which comprises a castor bracket, a castor rotatably arranged on the castor bracket and a brake bracket connected on the castor bracket through a bolt, wherein a brake component for abutting against the castor is movably arranged on the brake bracket, the brake bracket is in an inverted U shape, a first limit lug and a second limit lug are respectively arranged on the inner walls of two opposite sides of the brake bracket, the first limit lug and the second limit lug are vertically distributed and respectively abutted to the upper side and the lower side of the castor bracket, and a double limit clamping hook structure of the brake bracket is formed through the first limit lug and the second limit lug. The inner walls of two opposite sides of the brake bracket are respectively provided with a first limit lug and a second limit lug, and the first limit lugs and the second limit lugs are distributed up and down and are respectively abutted to the upper side and the lower side of the caster bracket, so that bilateral limit stress abutment of the brake bracket on the caster bracket is realized, and the brake bracket is prevented from loosening.

Description

Heavy castor

Technical Field

The utility model relates in particular to a heavy castor.

Background

Casters are a common type of mechanical hardware fitting that is widely used on the bottoms of furniture, carts, machining equipment, medical equipment, and for facilitating movement of objects. In order to facilitate timely braking, it is often necessary that the casters be capable of locking up rolling.

The rocker type brake buffer caster disclosed in Chinese patent publication No. CN208530170U comprises a fixed support, a mounting bottom plate arranged at the top end of the fixed support and wheels connected with the fixed support, wherein a brake support positioned at the rear side of the fixed support is arranged on a wheel shaft of the wheels, a buffer support is arranged at the front side of the fixed support, the buffer support is connected with the wheels through a buffer assembly and a buffer horizontal rod positioned below the buffer support, and two ends of the buffer horizontal rod are respectively connected with a rotating shaft of the wheels and the buffer assembly; the tilting plate type brake assembly with the inclined wheels is arranged on the brake bracket; the buffer bracket is provided with a positioning groove, and the brake bracket is provided with a positioning block matched with the positioning groove.

In summary, the brake bracket for mounting and connecting the caster wheel with the brake assembly is usually mounted and connected with the axle through the positioning block on the brake bracket and the positioning groove on the buffer bracket, so as to avoid the brake bracket from loosening by taking the axle as the center. But at present, the brake support only depends on unilateral locating piece and buffer support to support and hold spacing atress, and when the user presses the application of force to the brake subassembly, the brake support is as the supporting part of brake subassembly installation, and the user is to the butt department of locating piece and buffer support of brake support of force transmission effect when the brake subassembly application of force, and because of the brake support is thin wall structure to the deformation damage of brake support is led to because of brake support unilateral locating piece atress easily, thereby can not satisfy the user demand.

There is thus a need for a heavy castor that ameliorates the problems set forth above.

Disclosure of Invention

Aiming at the defects existing in the prior art, the technical problems to be solved by the utility model are as follows: a heavy castor is provided.

The utility model provides a heavy truckle, includes the truckle support and rotates the truckle that sets up on the truckle support to and pass through bolted connection on the truckle support, the activity is provided with the brake component that supplies the conflict truckle on the brake support, the brake support appearance is the setting of falling "U" style of calligraphy, is provided with first spacing lug and the spacing lug of second respectively at its relative both sides inner wall, and first spacing lug and the spacing lug of second are upper and lower distribution setting and butt respectively in the upper and lower both sides of truckle support, through the spacing lug of first spacing lug and the spacing lug of second in order to form the dual spacing trip structure of brake support.

In one embodiment, the brake bracket is symmetrically provided with first reinforcing ribs on two sides.

In one embodiment, the two sides of the brake bracket are symmetrically and externally protruded with lugs, the brake member is arranged between the two lugs, one end of the first reinforcing rib extends to the position close to the lug, the other end of the first reinforcing rib extends to the position close to one side of the first limiting lug and is provided with an arc-shaped rib position, and the first limiting lug is positioned on the inner arc side of the arc-shaped rib position.

In an embodiment, the truckle support includes linking bridge and shock absorber support, shock absorber support articulates on the linking bridge, the linking bridge with be connected with damper between the shock absorber support, the brake support passes through bolted connection on shock absorber support, first spacing lug and the spacing lug of second are upper and lower distribution setting and butt in shock absorber support's both sides respectively.

In one embodiment, the damping assembly comprises a damping spring, a first connecting plate is arranged on one side of the connecting bracket, a second connecting plate is arranged above the first connecting plate on one side of the damping bracket, and the damping spring is abutted between the first connecting plate and the second connecting plate.

In one embodiment, the caster comprises a wheel core and a wheel surface, wherein the wheel core is made of aluminum alloy, and the wheel surface is made of rubber.

In one embodiment, the brake member includes a brake pad and a driving member for driving the brake pad to move against the wheel surface of the caster, wherein the brake pad has an outer protruding spring piece, and the outer shape of the spring piece is in a shape of a "U" and protrudes downward below the brake pad, so that an R arc non-opening structure is formed at a contact position between the spring piece and the wheel surface of the caster.

In one embodiment, the driving member has a pedal rotatably coupled to the brake bracket, and the pedal is provided with a second reinforcing rib.

In one embodiment, the second reinforcing ribs are arranged in an N-shape.

In summary, compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the first limit lugs and the second limit lugs are respectively arranged on the inner walls of the two opposite sides of the brake bracket, and are distributed up and down and are respectively abutted to the upper side and the lower side of the caster bracket, so that bilateral limit stress of the brake bracket is abutted to the caster bracket, the brake bracket is prevented from loosening, and meanwhile, the brake bracket is favorably dispersed to the caster bracket under the stress action of a user pressing a brake component, the stress is prevented from acting on one point in a concentrated manner, and deformation and damage of the brake bracket are effectively avoided;

and through setting up the strengthening rib on the brake support, the one end of strengthening rib forms the arc muscle position, and the interior arc side that first spacing lug is located the arc muscle position, and the arc muscle position is the connection form that surrounds in first spacing lug to when increasing brake support overall structure intensity through the strengthening rib, further local reinforcing structure intensity to the atress position of first spacing lug through the arc muscle position effectively avoids the deformation damage of brake support.

Drawings

FIG. 1 is an exploded view of a heavy caster in accordance with one embodiment of the present utility model;

FIG. 2 is a schematic perspective view of a heavy caster according to one embodiment of the present utility model;

fig. 3 is a schematic view showing a partial structure of a heavy caster according to an embodiment of the present utility model.

Detailed Description

The utility model is further described in the following description and detailed description with reference to the drawings:

as shown in fig. 1 to 3, the embodiment of the present utility model preferably provides a heavy-duty caster, which comprises a caster bracket 1, a caster 2 rotatably mounted on the caster bracket 1, and a brake bracket 3 connected to the caster bracket 1 by a bolt, wherein a brake member 4 for abutting against the caster 2 is movably mounted on the brake bracket 3, the brake bracket 3 is arranged in an inverted U shape, a first limit bump 5 and a second limit bump 6 are respectively mounted on inner walls of two opposite sides of the brake bracket, and the first limit bump 5 and the second limit bump 6 are vertically distributed and respectively abutted to the upper side and the lower side of the caster bracket 1, so as to form a double limit hook structure of the brake bracket 3 by the first limit bump 5 and the second limit bump 6.

Specifically, the brake member is a relatively mature prior art, and the specific structure of the brake member is not described in detail herein, namely, the brake member can be used for realizing braking by meeting the movable friction with the caster, and the brake member is identical to the brake structure of the caster brake structure disclosed in Chinese patent publication No. CN 208946991U. Through all setting up first spacing lug and the spacing lug of second respectively at the relative both sides inner wall of brake support, and first spacing lug and the spacing lug of second are upper and lower distribution setting and butt respectively in the upper and lower both sides of truckle support to realize the bilateral spacing atress butt of brake support on the truckle support, when satisfying and avoiding brake support not hard up, be favorable to receiving the user to press the stress that brake component produced with the brake support to disperse to the truckle support on, avoid stress concentration to act on a bit, effectively avoid the deformation damage of brake support.

Further, reinforcing ribs 9 are symmetrically arranged on two sides of the brake bracket 3. The two sides of the brake bracket 3 are symmetrically and externally protruded with lugs 31, the brake member 4 is arranged between the two lugs 31, one end of the reinforcing rib 9 extends to the position close to the lug 31, the other end of the reinforcing rib 9 extends to the position close to one side of the first limit lug 5 and is provided with an arc-shaped rib position 32, and the first limit lug 5 is positioned on the inner arc side of the arc-shaped rib position 32.

Specifically, and through setting up the strengthening rib on the brake support, the one end of strengthening rib forms the arc muscle position, and the interior arc side that first spacing lug is located the arc muscle position, and the arc muscle position is the connection form that surrounds in first spacing lug to when increasing brake support overall structure intensity through the strengthening rib, strengthening rib one end extends to the lug and carries out further local structural reinforcement through the atress position of arc muscle position to first spacing lug, thereby effectively avoid the deformation damage of brake support.

Further, the caster bracket 1 comprises a connecting bracket 11 and a damping bracket 12, the damping bracket 12 is hinged on the connecting bracket 11, a damping component is connected between the connecting bracket 11 and the damping bracket 12, the brake bracket 3 is connected on the damping bracket 12 through bolts, and the first limit protruding blocks 5 and the second limit protruding blocks 6 are distributed up and down and respectively abut against two sides of the damping bracket 12. Specifically, through damper to realize the shock attenuation connection between linking bridge and the shock absorber support.

Further, the damping assembly comprises a damping spring (not shown), a first connecting plate 13 is arranged on one side of the connecting bracket 11, a second connecting plate 14 is arranged above the first connecting plate 13 on one side of the damping bracket 12, and the damping spring (not shown) is abutted between the first connecting plate 13 and the second connecting plate 14. Specifically, damping and buffering between the connecting support and the damping support are realized through damping springs.

Further, the caster 2 includes a wheel core 21 and a wheel surface 22, the wheel core 21 is made of aluminum alloy, and the wheel surface 22 is made of rubber.

Further, the brake member includes a brake block 61 and a driving member 62 for driving the brake block 61 to move and prop against the wheel surface of the caster 2, wherein the brake block 61 has a convex spring 63, the shape of the spring 63 is in a V shape and protrudes downward below the brake block 61, and the prop surface of the spring 63 for prop against the caster 2 is a whole surface without holes, so that an R arc non-opening structure is formed at the contact position of the spring 63 and the wheel surface of the caster 2. Specifically, the driving member is equivalent to the pedal plate disclosed in chinese patent publication No. CN208946991U, and the principle structure thereof is not described in detail herein. And further, the elastic sheet on the brake block is in friction and interference with the wheel surface of the trundle to realize the braking of the trundle. And the abutting surface of the elastic sheet and the trundle is the whole surface without holes, so that the contact area of the elastic sheet and the trundle wheel surface is increased, the braking effect is effectively increased, and the problem that the wheel surface made of rubber materials is scratched due to the holes of the elastic sheet is effectively avoided.

Further, the driving member 62 has a pedal rotatably coupled to the brake bracket 3, and the pedal is provided with a second reinforcing rib. The second reinforcing ribs are arranged in an N shape. Specifically, through the fastness of the structure of second strengthening rib in order to increase the footboard, avoid long-term atress to lead to deformation damage, reinforcing life.

While there has been shown and described what is at present considered to be the fundamental principles and the main features of the utility model and the advantages thereof, it will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, but is described in the foregoing description merely illustrates the principles of the utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model as hereinafter claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a heavy truckle, includes truckle support (1) and rotates truckle (2) that set up on truckle support (1) to and brake support (3) on truckle support (1) through bolted connection, brake support (3) go up the activity and be provided with brake component (4) that supply conflict truckle (2), its characterized in that: the appearance of the brake bracket (3) is in an inverted U-shaped arrangement, a first limit lug (5) and a second limit lug (6) are respectively arranged on the inner walls of two opposite sides of the brake bracket, the first limit lug (5) and the second limit lug (6) are distributed up and down and are respectively abutted to the upper side and the lower side of the caster bracket (1), and a double limit clamping hook structure of the brake bracket (3) is formed through the first limit lug (5) and the second limit lug (6).

2. A heavy castor according to claim 1, wherein: the two sides of the brake bracket (3) are symmetrically provided with first reinforcing ribs (9).

3. A heavy castor as claimed in claim 2, wherein: the utility model discloses a brake support (3) bilateral symmetry evagination has lug (31), brake component (4) set up between two lugs (31), first strengthening rib (9) one end extends to near lug (31) department, first strengthening rib (9) other end extends to near first spacing lug (5) one side and is formed with arc muscle position (32), first spacing lug (5) are located the inner arc side of arc muscle position (32).

4. A heavy castor according to claim 1, wherein: the caster support (1) comprises a connecting support (11) and a damping support (12), the damping support (12) is hinged to the connecting support (11), a damping component is connected between the connecting support (11) and the damping support (12), the brake support (3) is connected to the damping support (12) through bolts, and the first limiting protruding blocks (5) and the second limiting protruding blocks (6) are distributed up and down and are respectively abutted to two sides of the damping support (12).

5. A heavy duty castor as claimed in claim 4 wherein: the damping assembly comprises a damping spring, a first connecting plate (13) is arranged on one side of the connecting support (11), a second connecting plate (14) is arranged above the first connecting plate (13) on one side of the damping support (12), and the damping spring is abutted between the first connecting plate (13) and the second connecting plate (14).

6. A heavy castor according to claim 1, wherein: the caster wheel (2) comprises a caster wheel core (21) and a caster wheel surface (22), wherein the caster wheel core (21) is made of aluminum alloy, and the caster wheel surface (22) is made of rubber.

7. A heavy castor according to any one of claims 1 to 6, wherein: the brake component comprises a brake block (61) and a driving component (62) for driving the brake block (61) to move and prop against the wheel surface of the caster wheel (2), wherein the brake block (61) is provided with an outwards-protruding elastic piece (63), the elastic piece (63) is U-shaped and downwards protrudes below the brake block (61), and an R arc non-opening structure is formed at the contact part of the elastic piece (63) and the wheel surface of the caster wheel (2).

8. A heavy duty castor as claimed in claim 7, wherein: the driving member (62) is provided with a pedal which is rotatably connected with the brake bracket (3), and the pedal is provided with a second reinforcing rib.

9. A heavy duty castor as claimed in claim 8, wherein: the second reinforcing ribs are arranged in an N shape.