CN209869948U

CN209869948U - Full-plastic caster

Info

Publication number: CN209869948U
Application number: CN201920667854.3U
Authority: CN
Inventors: 谢树勤; 莫彩琼
Original assignee: Zhongshan Camel Casters Co Ltd
Current assignee: Zhongshan Camel Casters Co Ltd
Priority date: 2019-05-10
Filing date: 2019-05-10
Publication date: 2019-12-31
Anticipated expiration: 2029-05-10

Abstract

The utility model discloses an all-plastic caster, including the spliced pole, be fixed in spliced pole lower extreme and with the connecting seat of spliced pole interlock, connect in connecting seat lower extreme and can with the locking plate of connecting seat interlock, the connecting seat lower extreme extends the first interlock post of inside hollow, the locking plate upper end extends the second interlock post of inside hollow that can interlock with first interlock post fixed, form the interlock post structure after first interlock post, second interlock post interlock, the locking plate lower extreme face down extends first annular locking tooth, connect fixedly through flat socket nail between connecting seat and the locking plate; the all-plastic caster also comprises a bracket which is sleeved outside the occlusion column structure and can rotate around the occlusion column structure, a roller structure which is arranged at the lower end of the bracket and can rotate along with the rotation of the bracket, and a brake component which is arranged on the bracket and can limit the roller structure to roll and limit the steering of the bracket.

Description

Full-plastic caster

Technical Field

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

Background

The application of truckle is very extensive, some truckles are applied to hospital bed or laboratory paraphernalia, and the laboratory, the requirement to the material of truckle is severer among the medical environment, the truckle surface generally adopts the inert material to make like plastics, but the plastic truckle on the present market is less, and the structural design tradition of current plastic truckle is old, though be equipped with the roll function and turn to the function, but the brake function is relatively laggard, the roll of truckle is generally only can be restricted to the brake structure, and can't restrict the turning of truckle simultaneously, the condition that the truckle rocked when the brake has been caused, the brake is steady inadequately, patient on the hospital bed receives easily and rocks, brake performance is not good enough.

Therefore, how to realize a novel structure is reasonable, can restrict the roll of truckle and the turning of restriction truckle simultaneously, and dual brake function, brake stability is strong, avoids rocking the problem, and the plastic truckle that brake performance is good is the technological problem that awaits the solution in the industry.

Disclosure of Invention

The utility model aims at providing an all-plastic truckle aims at realizing that a novel structure is reasonable, is equipped with the brake subassembly of double lever structure, can restrict the roll of truckle and the turning to of restriction truckle simultaneously, dual brake function, brake operation is simple and easy convenient, and brake stability is strong, avoids rocking problem, the good all-plastic truckle of brake performance.

The utility model provides an all-plastic caster, including the spliced pole, be fixed in spliced pole lower extreme and with the connecting seat of spliced pole interlock, connect in the connecting seat lower extreme and can with the locking plate of connecting seat interlock, the connecting seat lower extreme extends the first interlock post of inside hollow, the locking plate upper end extends the second interlock post of inside hollow that can interlock with first interlock post and fix, form the interlock post structure after first interlock post, the second interlock post interlock, the locking plate lower extreme face down extends first annular locking tooth, connect fixedly through flat socket nail between connecting seat and the locking plate; the all-plastic caster also comprises a bracket which is sleeved outside the occlusion column structure and can rotate around the occlusion column structure, a roller structure which is arranged at the lower end of the bracket and can rotate along with the rotation of the bracket, and a brake component which is arranged on the bracket and can limit the roller structure to roll and limit the steering of the bracket; the brake assembly comprises a first brake lever hinged on the support, a second brake lever hinged at the bottom of the support and a return elastic piece for returning the first brake lever, the middle position of the first brake lever is hinged on the support, the middle position of the second brake lever is hinged at the bottom of the support, a friction pressing block which is positioned at the lower end of the first brake lever and can be pressed and fixed on the roller structure so as to stop the roller structure from rolling is arranged at the outer side end of the second brake lever, and second annular locking teeth which can be meshed and locked with the first annular locking teeth are arranged at the inner side end of the second brake lever upwards; when external force makes first brake lever rotate, first brake lever presses the friction briquetting and makes the friction briquetting press the solid gyro wheel structure of pressing and stop the roll of gyro wheel structure, and when the friction briquetting moved down to gyro wheel structure department, the second annular locking tooth of second brake lever inboard end department moved up under the leverage and made the second annular locking tooth and the relative rotation between the interlock locking support and the interlock post structure of first annular locking tooth and then reached the effect that the restriction support turned to.

Preferably, the roller structure includes a roller shaft mounted at the lower end of the bracket, a bearing sleeved outside the roller shaft, a roller rotatably sleeved outside the bearing, and a tread sleeved outside the roller, the tread being made of TPR material.

Preferably, the lower end of the first meshing column is provided with first meshing teeth, and the upper end of the second meshing column is provided with second meshing teeth which can be matched with and meshed with the first meshing teeth.

Preferably, the connecting column is provided with a jack into which the plug pin can be inserted.

Preferably, the connecting seat, the locking disc, the bracket, the first brake lever, the second brake lever, the roller shaft and the roller are all made of plastics.

The utility model discloses a novel structure is reasonable, is equipped with the brake subassembly of two lever structure, can restrict the roll of truckle and the turning to of restriction truckle simultaneously, dual brake function, brake operation is simple and easy convenient, and brake stability is strong, avoids the problem of rocking, the good plastic truckle of brake performance.

Drawings

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

FIG. 2 is a second schematic perspective view of an embodiment of an all-plastic caster of the present invention;

fig. 3 is an exploded perspective view of an embodiment of the all-plastic 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 3, an embodiment of an all-plastic caster of the present invention is provided, including a connection column 101, a connection seat 102 fixed at a lower end of the connection column 101 and interlocked with the connection column 101, and a locking plate 103 connected at a lower end of the connection seat 102 and interlocked with the connection seat 102, wherein the lower end of the connection seat 102 extends out of a first hollow engaging column 104, the upper end of the locking plate 103 extends out of a second hollow engaging column 105 fixed with the first engaging column 104 in an engaging manner, the first engaging column 104 and the second engaging column 105 form an engaging column structure after engaging, the lower end of the locking plate 103 faces downward to extend out a first annular locking tooth 106, and the connection seat 102 and the locking plate 103 are connected and fixed through a flat bottom socket nail.

The all-plastic caster further comprises a support 107 which is sleeved outside the occlusion column structure and can rotate around the occlusion column structure, a roller structure which is arranged at the lower end of the support 107 and can rotate along with the rotation of the support 107, and a brake assembly which is arranged on the support 107 and can limit the roller structure to roll and limit the rotation of the support 107.

The brake assembly comprises a first brake lever 108 hinged to the support 107, a second brake lever 109 hinged to the bottom of the support 107 and a return elastic piece for returning the first brake lever 108, the middle position of the first brake lever 108 is hinged to the support 107, the middle position of the second brake lever 109 is hinged to the bottom of the support 107, a friction pressing block 110 which is located at the lower end of the first brake lever 108 and can be pressed on the roller structure to stop the rolling of the roller structure is arranged at the outer side end of the second brake lever 109, and second annular locking teeth which can be meshed and locked with the first annular locking teeth 106 are arranged on the inner side end of the second brake lever 109 upwards.

When the external force makes the first brake lever 108 rotate, for example, when the external end of the first brake lever 108 is stepped on by foot, the first brake lever 108 presses the friction pressing block 110 to make the friction pressing block 110 press and fix on the roller structure so as to stop the rolling of the roller structure, and when the friction pressing block 110 moves downwards to the roller structure, the second annular locking tooth at the inner end of the second brake lever 109 moves upwards under the action of the lever and makes the second annular locking tooth and the first annular locking tooth 106 engage and lock, so that the relative rotation between the locking bracket 107 and the engaging column structure further achieves the effect of limiting the rotation direction of the bracket 107. This plastic truckle novel structure is reasonable, and the brake subassembly is established to two lever structure, and when the brake, only need step on first brake lever 108 outside end, can restrict the roll of truckle simultaneously and restrict turning to of truckle, dual brake function, brake operation is simple and easy convenient, and brake stability is strong, can not appear rocking the condition, and brake performance is good.

The roller structure includes a roller shaft 111 mounted at the lower end of the bracket 107, a bearing sleeved outside the roller shaft 111, a roller 112 rotatably sleeved outside the bearing, and a wheel surface 113 sleeved outside the roller 112. The roller shaft 111 is fixed with the bracket 107. Wherein, wheel face 113 is made by the TPR material, and wheel face 113 that the TPR material was made has characteristics such as elasticity height, wear resistance are strong, and the truckle during operation plays the cushioning effect, plays good bradyseism effect when jolting, can protect the floor, and noise reduction simultaneously can reach the silence effect when rolling, and wheel face 113 is wear-resisting moreover, and durable effectively prolongs service life.

The lower end of the first occlusion column 104 is provided with a first occlusion tooth, and the upper end of the second occlusion column 105 is provided with a second occlusion tooth which can be matched with and occluded with the first occlusion tooth.

The connecting column 101 is provided with a jack 114 into which a plug can be inserted.

The connecting seat 102, the locking disc 103, the bracket 107, the first brake lever 108, the second brake lever 109, the roller shaft 111 and the roller 112 are all made of plastics, and the all-plastic caster is suitable for laboratory environments and medical environments.

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 full-plastic caster is characterized by comprising a connecting column, a connecting seat fixed at the lower end of the connecting column and linked with the connecting column, and a locking disc connected at the lower end of the connecting seat and linked with the connecting seat, wherein a first hollow occlusion column extends out of the lower end of the connecting seat;

the all-plastic caster also comprises a bracket which is sleeved outside the occlusion column structure and can rotate around the occlusion column structure, a roller structure which is arranged at the lower end of the bracket and can rotate along with the rotation of the bracket, and a brake component which is arranged on the bracket and can limit the roller structure to roll and limit the steering of the bracket;

the brake assembly comprises a first brake lever hinged on the support, a second brake lever hinged at the bottom of the support and a return elastic piece for returning the first brake lever, the middle position of the first brake lever is hinged on the support, the middle position of the second brake lever is hinged at the bottom of the support, a friction pressing block which is positioned at the lower end of the first brake lever and can be pressed and fixed on the roller structure so as to stop the roller structure from rolling is arranged at the outer side end of the second brake lever, and second annular locking teeth which can be meshed and locked with the first annular locking teeth are arranged at the inner side end of the second brake lever upwards;

when external force makes first brake lever rotate, first brake lever presses the friction briquetting and makes the friction briquetting press the solid gyro wheel structure of pressing and stop the roll of gyro wheel structure, and when the friction briquetting moved down to gyro wheel structure department, the second annular locking tooth of second brake lever inboard end department moved up under the leverage and made the second annular locking tooth and the relative rotation between the interlock locking support and the interlock post structure of first annular locking tooth and then reached the effect that the restriction support turned to.

2. The all-plastic caster as claimed in claim 1, wherein the roller structure comprises a roller shaft mounted to the lower end of the frame, a bearing disposed around the roller shaft, a roller rotatably disposed around the bearing, and a tread disposed around the roller, the tread being made of TPR material.

3. An all-plastic caster as claimed in claim 1 or claim 2, wherein the first meshing post has first meshing teeth at a lower end thereof and the second meshing post has second meshing teeth at an upper end thereof adapted to mesh with the first meshing teeth.

4. An all plastic castor according to claim 3, wherein said connecting post is provided with a socket into which said pin can be inserted.

5. The all-plastic caster of claim 2, wherein the connecting base, the locking plate, the bracket, the first brake lever, the second brake lever, the roller axle, and the roller are made of plastic.