CN216153497U

CN216153497U - High formula screw rod universal castor that bears

Info

Publication number: CN216153497U
Application number: CN202122225908.0U
Authority: CN
Inventors: 濮建清; 徐永庆; 张水庆
Original assignee: Zhejiang Lingda Universal Wheel Co ltd
Current assignee: Zhejiang Lingda Universal Wheel Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-04-01
Anticipated expiration: 2031-09-15

Abstract

The utility model discloses a high-bearing screw universal caster, which belongs to the technical field of casters and comprises a rotating wheel, a fixed frame, a screw adjusting assembly and a screw fixing plate, wherein the rotating wheel is rotatably connected inside the fixed frame; the caster wheel can be controlled to be adjusted to switch back and forth between damping buffering and fixing, the bearing capacity is improved, meanwhile, the caster wheel can be fixed according to needs, and the stability is improved.

Description

High formula screw rod universal castor that bears

Technical Field

The utility model belongs to the technical field of casters, and particularly relates to a high-bearing screw universal caster.

Background

The caster is a general name, and comprises a movable caster, a fixed caster and a movable caster with a brake. The movable caster wheel is also called a universal wheel, and the structure of the movable caster wheel allows 360-degree rotation; the fixed caster is also called a directional caster, and has no rotating structure and can not rotate. Generally, two types of casters are used in combination, such as a cart having two directional wheels at the front and two universal wheels at the rear adjacent the push arm.

The corners of the existing universal caster are not provided with shock absorption measures, so that the existing universal caster is easy to break and has weak bearing capacity; 2. the existing universal caster is complex to disassemble and assemble, so that the disassembly and the assembly are time-consuming and long.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-bearing screw universal caster which can be controlled and adjusted to switch back and forth between damping buffering and fixing, can be fixed according to requirements while improving bearing capacity, and improves stability.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high formula screw rod universal castor that bears, this high formula screw rod universal castor that bears includes rotates wheel, mount, screw rod adjusting part, screw fixed plate, rotate the wheel and rotate to be connected inside the mount, mount upper end elastic connection screw rod adjusting part, screw rod adjusting part upper end is rotated and is connected screw fixed plate, the mount upper end still is equipped with the piston spare, and piston spare one end is articulated to be connected screw rod adjusting part bottom, the other end is articulated to be connected in the mount upper end.

Further, the screw rod adjusting part is including fixing the fixed plate of mount upper end, and the fixed plate is kept away from the mount end and is fixed with the bearing frame, and the bearing frame bottom is equipped with adjusting screw, and adjusting screw keeps away from bearing frame end threaded connection inside the mount, keep away from the bearing frame end and stretch out the mount, stretch out the end and be fixed with adjust knob.

Furthermore, a spring is fixed at the bottom of the bearing frame, the end, far away from the bearing frame, of the spring is fixed to the upper end of the fixing frame, an anti-slip strip is fixed to the outer portion of the adjusting knob, and a plurality of anti-slip strips are arranged along the circumferential direction of the adjusting knob.

Furthermore, the piston part comprises a piston rod fixedly hinged to the bottom of the bearing frame and a bottom rod hinged to the top of the fixing frame, and the piston rod is connected inside the bottom rod in a sliding mode.

Furthermore, the upper end of the bearing frame is rotatably connected with a connecting pin, the upper end of the connecting pin is fixed with the bottom of the screw fixing plate, and a baffle is fixed at the position, located at the bottom of the bearing frame, of the connecting pin.

Further, a screw hole is formed in the screw fixing plate and symmetrically arranged in the middle of the screw fixing plate, and a plurality of screw holes are formed in the screw hole along the length direction of the screw fixing plate.

The utility model has the beneficial effects that:

1. the high-bearing screw universal caster comprises a bearing frame, a spring, an adjusting knob and a plurality of screw universal casters, wherein the spring is fixed at the bottom of the bearing frame, the end of the spring, which is far away from the bearing frame, is fixed at the upper end of a fixing frame, and a plurality of anti-slip strips are fixed outside the adjusting knob and arranged along the circumferential direction of the adjusting knob; the bottom of the bearing frame is provided with a spring, so that the buffering and shock-absorbing performance of the caster can be improved, and the bearing capacity of the caster is improved.

2. The high-bearing-capacity screw universal caster is characterized in that the screw adjusting assembly comprises a fixing plate fixed at the upper end of the fixing frame, a bearing frame is fixed at the end, away from the fixing frame, of the fixing plate, an adjusting screw is arranged at the bottom of the bearing frame, the end, away from the bearing frame, of the adjusting screw is in threaded connection with the inside of the fixing frame, the end, away from the bearing frame, of the adjusting screw extends out of the fixing frame, and an adjusting knob is fixed at the extending end; through adjusting screw's regulation, when adjusting screw contradicts the carriage, keep the carriage fixed, increase the stability of whole truckle, when adjusting screw does not contradict with the carriage, multiplicable its bearing capacity, the function is various.

3. According to the high-bearing-capacity screw universal caster, screw holes are formed in a screw fixing plate and are symmetrically arranged relative to the middle of the screw fixing plate, and a plurality of screw holes are formed in the screw holes along the length direction of the screw fixing plate; through screw fixed mounting, simple structure, the dismouting of being convenient for.

Drawings

FIG. 1 is a schematic perspective view of a high-load screw caster according to the present invention;

FIG. 2 is a schematic top view of the high load-bearing screw caster of FIG. 1;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2 of a high load-bearing screw caster according to the present invention;

FIG. 4 is an enlarged schematic view of the high-load screw caster shown in FIG. 1 at the location I;

in the figure: 1. a rotating wheel; 2. a fixed mount; 3. a screw adjustment assembly; 4. a screw fixing plate; 5. a fixing plate; 6. a bearing frame; 7. adjusting the screw rod; 8. adjusting a knob; 9. a spring; 10. anti-slip strips; 11. a piston rod; 12. a bottom bar; 13. a connecting pin; 14. a baffle plate; 15. and (4) screw holes.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.

Referring to fig. 1 to 4, a high-load screw universal caster according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

This high formula screw rod universal castor that bears includes and rotates wheel 1, mount 2, screw rod adjusting part 3, screw fixation board 4, rotate wheel 1 and rotate to connect inside

mount

2, 2 upper end elastic connection of mount screw

rod adjusting part

3, 3 upper ends of screw rod adjusting part rotate and connect screw fixation board 4, 2 upper ends of mount still are equipped with the piston spare, and piston spare one end is articulated to be connected 3 bottoms of screw rod adjusting part, the articulated connection in 2 upper ends of mount of the other end.

Specifically, screw rod adjusting part 3 is including fixing fixed plate 5 on mount 2, and fixed plate 5 is kept away from mount 2 end and is fixed with carriage 6, and carriage 6 bottom is equipped with adjusting screw 7, and adjusting screw 7 is kept away from carriage 6 end threaded connection and is in inside mount 2, keep away from carriage 6 end and stretch out mount 2, stretch out the end and be fixed with adjust knob 8.

Specifically, bearing frame 6 bottom is fixed with spring 9, and spring 9 is kept away from bearing frame 6 end and is fixed to the 2 upper ends of mount, 8 external fixations of adjust knob have antislip strip 10, and antislip strip 10 is equipped with a plurality ofly along 8 circumferencial directions of adjust knob.

The adjusting screw 7 can be adjusted to move up and down by rotating the adjusting knob 8, when the adjusting screw 7 is in contact with the bottom of the bearing frame 6, the bearing frame 6 cannot move up and down, and when the adjusting screw 7 is not in contact with the bottom of the bearing frame 6, the bearing frame 6 can move up and down under the action of the spring 9.

Specifically, the piston member includes a piston rod 11 fixedly and hingedly connected to the bottom of the carriage 6, and further includes a bottom rod 12 hingedly connected to the top of the fixing frame 2, and the piston rod 11 is slidably connected to the inside of the bottom rod 12.

When the carriage 6 moves up and down, the piston rod 11 slides along the bottom rod 12, and the movement stability of the entire carriage 6 is maintained.

Specifically, the upper end of the bearing frame 6 is rotatably connected with a connecting pin 13, the upper end of the connecting pin 13 is fixed with the bottom of the screw fixing plate 4, and a baffle plate 14 is fixed at the position, located at the bottom of the bearing frame 6, of the connecting pin 13.

Specifically, screw hole 15 has been seted up on screw fixed plate 4, and screw hole 15 sets up about screw fixed plate 4 middle part symmetry, and screw hole 15 is equipped with a plurality ofly along screw fixed plate 4 length direction.

The working principle of the utility model is as follows: install screw fixation plate 4 in required position through screw hole 15 on screw fixation plate 4, install whole universal castor, after the installation, when need highly bearing, rotatory adjust knob 8, control adjusting screw 7 downstream, when bearing frame 6 heavily presses in the top, accessible spring 9 moves from top to bottom, cushions, increases the bearing capacity.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high formula screw rod universal castor that bears, its characterized in that, this high formula screw rod universal castor that bears is including rotating wheel (1), mount (2), screw rod adjusting part (3), screw fixation board (4), rotate wheel (1) and rotate to connect inside mount (2), mount (2) upper end elastic connection screw rod adjusting part (3), screw rod adjusting part (3) upper end is rotated and is connected screw fixation board (4), mount (2) upper end still is equipped with the piston spare, and piston spare one end is articulated to be connected screw rod adjusting part (3) bottom, the articulated connection of the other end is in mount (2) upper end.

2. The high-bearing-capacity screw universal caster wheel as claimed in claim 1, wherein the screw adjusting assembly (3) comprises a fixing plate (5) fixed to the upper end of the fixing frame (2), a bearing frame (6) is fixed to the fixing plate (5) far away from the fixing frame (2), an adjusting screw (7) is arranged at the bottom of the bearing frame (6), the end, far away from the bearing frame (6), of the adjusting screw (7) is in threaded connection inside the fixing frame (2), the end, far away from the bearing frame (6), of the adjusting screw extends out of the fixing frame (2), and an adjusting knob (8) is fixed to the extending end.

3. The high-bearing-capacity screw universal caster wheel as claimed in claim 2, wherein a spring (9) is fixed at the bottom of the bearing frame (6), the spring (9) is fixed to the upper end of the fixing frame (2) far away from the bearing frame (6), a plurality of anti-slip strips (10) are fixed on the outer portion of the adjusting knob (8), and the anti-slip strips (10) are arranged along the circumferential direction of the adjusting knob (8).

4. A high load-bearing screw universal castor according to claim 2, wherein said piston member comprises a piston rod (11) fixedly and hingedly connected to the bottom of the load-bearing frame (6), and further comprises a bottom rod (12) hingedly connected to the top of the fixed frame (2), the piston rod (11) being slidably connected inside the bottom rod (12).

5. The high-bearing-capacity screw universal caster wheel as claimed in claim 2, wherein the upper end of the bearing frame (6) is rotatably connected with a connecting pin (13), the upper end of the connecting pin (13) is fixed with the bottom of the screw fixing plate (4), and a baffle (14) is fixed on the connecting pin (13) at the bottom of the bearing frame (6).

6. The high-load-bearing screw universal caster as claimed in claim 1, wherein the screw fixing plate (4) is provided with screw holes (15), the screw holes (15) are symmetrically arranged about the middle of the screw fixing plate (4), and the screw holes (15) are provided with a plurality of screw holes along the length direction of the screw fixing plate (4).