CN211308125U

CN211308125U - Caster wheel

Info

Publication number: CN211308125U
Application number: CN201921716017.1U
Authority: CN
Inventors: 齐云磊
Original assignee: Dongguan Yunsong Metal Products Co Ltd
Current assignee: Dongguan Yunsong Metal Products Co Ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-08-21
Anticipated expiration: 2029-10-14

Abstract

A caster comprises a connecting fixed seat, a supporting seat, a caster, a telescopic device and a rubber seat, wherein the supporting seat is fixedly connected with the connecting fixed seat, a first through hole is formed in the center of a connecting fixed plate, the telescopic device comprises a bolt, a nut, a connecting ring and a bottom plate, the bolt is positioned in the first through hole, the lower end of the bolt is fixedly connected with the upper part of the rubber seat, the connecting ring is sleeved on the bolt, an annular positioning block is formed above the connecting ring, a positioning groove is formed below the supporting seat corresponding to the positioning block, the positioning block is in mutual rotating fit with the positioning groove, a second through hole is formed in the middle of the bottom plate, the connecting ring is positioned in the second through hole, the connecting ring is in clearance fit with the second through hole, the bottom plate is fixedly installed below the supporting seat, the nut is sleeved on the bolt, the nut is positioned below the, the rear end of the supporting seat is formed with a left side wall and a right side wall which are separated and symmetrical, and the caster wheel is arranged between the two side walls.

Description

Caster wheel

Technical Field

The utility model belongs to the technical field of furniture removal and specifically relates to a truckle is related to.

Background

The caster is a general name, and the caster comprises a movable caster and a directional caster, wherein the movable caster is also called a universal wheel and has a structure which allows 360-degree rotation; the fixed caster is also called a directional caster, and has no rotating structure and can not rotate.

As is known, the casters are commonly installed on the bottom of the carrier to be moved, for example, on the bottom of furniture, and the utility casters are particularly convenient when the furniture is to be moved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, provides a technical scheme that can solve above-mentioned problem.

The utility model provides a truckle, is including connecting fixing base, supporting seat and truckle, its characterized in that: the connecting device comprises a support seat, a telescopic device and a rubber seat, wherein the support seat is arranged below the connecting fixed seat, the support seat is fixedly connected with the connecting fixed seat, mounting holes are formed at four corners of the connecting fixed plate, a first through hole is formed in the center of the connecting fixed plate, the first through hole penetrates through the support seat downwards, the telescopic device comprises a bolt, a nut, a connecting ring and a bottom plate, the bolt is positioned in the first through hole, the lower end of the bolt is fixedly connected with the upper part of the rubber seat, the connecting ring is sleeved on the bolt, the connecting ring is in clearance fit with the bolt, an annular positioning block is formed above the connecting ring, a positioning groove is formed below the support seat corresponding to the positioning block, the positioning block is in mutual rotation fit with the positioning groove, a second through hole is formed in the middle of the bottom plate, the connecting ring is positioned in the second through hole, the nut cover is established on the bolt, and the nut is located the go-between below, go-between and the mutual fixed connection of nut, nut and the mutual screw-thread fit of bolt, and two lateral walls of separating and symmetry about the rear end shaping of supporting seat, the truckle are established between two lateral walls, and the center of truckle is equipped with the axis of rotation, and truckle and the mutual normal running fit of axis of rotation, both ends correspond with the rear end of two lateral walls respectively and are connected about the axis of rotation.

As a further aspect of the present invention: the left and right sides of supporting seat are formed with the flank of mutual symmetry respectively, and the left and right sides of rubber seat is formed with vertical sliding tray respectively, and the inboard of two flanks corresponds the sliding tray shaping and has the slider, and slider and sliding tray are sliding fit each other.

As a further aspect of the present invention: a gear is arranged above the nut, the gear is sleeved on the bolt, and the gear is fixedly connected with the nut.

As a further aspect of the present invention: the supporting seat and the connecting fixing seat are provided with a rotating device, the supporting seat and the connecting fixing seat are in rotating fit through the rotating device, the rotating device comprises balls and a rotating groove, a plurality of balls surrounding a first through hole circular array are installed above the supporting seat, the rotating groove is formed below the connecting fixing seat, the balls and the rotating groove are in rotating fit with each other, and the connecting fixing seat and the supporting seat are in rotating fit with each other through the balls.

As a further aspect of the present invention: supporting seat front end shaping has cowl, and cowl's left end is connected with the lower extreme of left flank, and cowl's right-hand member is connected with the lower extreme of right flank, and the rubber seat is established in cowl.

Compared with the prior art, the beneficial effects of the utility model are that: the furniture can be moved and fixed by adjusting the rubber seat up and down through the matching between the nut and the bolt.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged schematic view of a portion a of fig. 1.

Fig. 3 is a schematic structural diagram of the connection fixing seat.

Shown in the figure: 1. connecting a fixed seat; 2. a supporting seat; 3. a caster wheel; 11. a first through hole; 12. a rotating device; 121. a rotating groove; 122. a ball bearing; 13. mounting holes; 21. a telescoping device; 211. a connecting ring; 212. a gear; 213. a nut; 214. a bolt; 215. positioning blocks; 216. positioning a groove; 217. a base plate; 218. a second through hole; 22. a side wing; 23. a side wall; 24. a sliding groove; 25. a rubber seat; 26. an arc-shaped baffle plate; 27. a slider; 31. and rotating the shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a caster comprises a connecting fixing seat 1, a supporting seat 2, a caster 3, a telescopic device 21, a rubber seat 25, wherein the supporting seat 2 is disposed below the connecting fixing seat 1, the supporting seat 2 is fixedly connected with the connecting fixing seat 1, mounting holes 13 are formed at four corners of the connecting fixing plate 1, a first through hole 11 is formed at the center of the connecting fixing plate 1, the first through hole 11 penetrates through the supporting seat 2 downwards, the telescopic device 21 comprises a bolt 214, a nut 213, a connecting ring 211 and a bottom plate 217, the bolt 214 is disposed in the first through hole 11, the lower end of the bolt 214 is fixedly connected with the upper portion of the rubber seat 25, the connecting ring 211 is sleeved on the bolt 214, the connecting ring 211 is in clearance fit with the bolt 214, an annular positioning block 215 is formed above the connecting ring 211, a positioning groove 216 is formed below the supporting seat 2 corresponding to the positioning block 215, the positioning block 215, a second through hole 218 is formed in the middle of the bottom plate 217, the connecting ring 211 is located in the second through hole 218, the connecting ring 211 is in clearance fit with the second through hole 218, the radius of the second through hole 218 is smaller than that of the positioning block 215, the bottom plate 217 is fixedly installed below the supporting seat 2, the nut 213 is sleeved on the bolt 214, the nut 213 is located below the connecting ring 211, the connecting ring 211 is fixedly connected with the nut 213, the nut 213 is in threaded fit with the bolt 214, the left side and the right side of the rear end of the supporting seat 2 are provided with two separated and symmetrical side walls 23, the caster 3 is arranged between the two side walls 23, the center of the caster 3 is provided with the rotating shaft 31, the caster 3 is in rotational fit with the rotating shaft 31, and the left end and the right.

As a further aspect of the present invention: the left side and the right side of the supporting seat 2 are respectively formed with symmetrical side wings 22, the left side and the right side of the rubber seat 25 are respectively formed with vertical sliding grooves 24, the inner sides of the two side wings 22 are formed with sliding blocks 27 corresponding to the sliding grooves 24, and the sliding blocks 27 are mutually matched with the sliding grooves 24 in a sliding manner.

As a further aspect of the present invention: a gear 212 is arranged above the nut 213, the gear 212 is sleeved on the bolt 214, and the gear 212 is fixedly connected with the nut 213.

As a further aspect of the present invention: supporting seat 2 and be equipped with rotating device 12 between the connection fixing base 1, supporting seat 2 passes through rotating device 12 normal running fit with connection fixing base 1, rotating device 12 includes ball 122 and rotation groove 121, a plurality of ball 122 around the circular array of first through-hole are installed to the top of supporting seat 2, rotation groove 121 shaping is in the below of connecting fixing base 1, ball 122 and rotation groove 121 looks normal running fit, connect fixing base 1 and supporting seat 2 and pass through ball 122 normal running fit.

As a further aspect of the present invention: the shaping of supporting seat 2 front end has cowl 26, and cowl 26's left end is connected with the lower extreme of left side wing 22, and cowl 26's right-hand member is connected with the lower extreme of right side wing 22, and rubber seat 25 establishes in cowl 26.

The utility model discloses a theory of operation is: the nut 213 is rotated by a bolt 214 which is rotatable in its own axial direction to adjust the height of the rubber holder 25. By adopting the technical scheme of mechanical adjustment, according to the caster disclosed by the invention, when the furniture needs to be moved, the nut 213 rotates rightwards to lift the rubber seat 25 to the topmost end, and after the caster 3 is completely contacted with the ground, the caster 3 can freely roll under the assistance condition; when the furniture is moved to the ideal position for positioning, the nut 213 rotates to the left to adjust the rubber seat 25 to be completely contacted with the ground, and the caster 3 is suspended, so that the furniture is stably fixed on the ideal position.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a truckle, is including connecting fixing base, supporting seat and truckle, its characterized in that: the connecting device comprises a telescopic device and a rubber seat, wherein the supporting seat is arranged below the connecting fixing seat, the supporting seat is fixedly connected with the connecting fixing seat, mounting holes are formed in four corners of the connecting fixing plate, a first through hole is formed in the center of the connecting fixing plate and penetrates through the supporting seat downwards, the telescopic device comprises a bolt, a nut, a connecting ring and a bottom plate, the bolt is positioned in the first through hole, the lower end of the bolt is fixedly connected with the upper part of the rubber seat, the connecting ring is sleeved on the bolt, the connecting ring is in clearance fit with the bolt, an annular positioning block is formed above the connecting ring, a positioning groove is formed below the supporting seat corresponding to the positioning block, the positioning block is in mutual rotation fit with the positioning groove, a second through hole is formed in the middle of the bottom plate, the connecting ring is positioned in the second through hole, the connecting ring is in, the nut cover is established on the bolt, and the nut is located the go-between below, go-between and the mutual fixed connection of nut, nut and the mutual screw-thread fit of bolt, and two lateral walls of separating and symmetry about the rear end shaping of supporting seat, the truckle are established between two lateral walls, and the center of truckle is equipped with the axis of rotation, and truckle and the mutual normal running fit of axis of rotation, both ends correspond with the rear end of two lateral walls respectively and are connected about the axis of rotation.

2. A castor according to claim 1, wherein: the left and right sides of supporting seat are formed with the flank of mutual symmetry respectively, and the left and right sides of rubber seat is formed with vertical sliding tray respectively, and the inboard of two flanks corresponds the sliding tray shaping and has the slider, and slider and sliding tray are sliding fit each other.

3. A castor according to claim 1, wherein: a gear is arranged above the nut, the gear is sleeved on the bolt, and the gear is fixedly connected with the nut.

4. A castor according to claim 1, wherein: the supporting seat and the connecting fixing seat are provided with a rotating device, the supporting seat and the connecting fixing seat are in rotating fit through the rotating device, the rotating device comprises balls and a rotating groove, a plurality of balls surrounding a first through hole circular array are installed above the supporting seat, the rotating groove is formed below the connecting fixing seat, the balls and the rotating groove are in rotating fit with each other, and the connecting fixing seat and the supporting seat are in rotating fit with each other through the balls.

5. A castor according to claim 1, wherein: supporting seat front end shaping has cowl, and cowl's left end is connected with the lower extreme of left flank, and cowl's right-hand member is connected with the lower extreme of right flank, and the rubber seat is established in cowl.