CN215321787U

CN215321787U - Lifting caster wheel convenient to adjust

Info

Publication number: CN215321787U
Application number: CN202121757209.4U
Authority: CN
Inventors: 何丽然
Original assignee: Zhongshan Hold Caster Manufacturing Co ltd
Current assignee: Zhongshan Hold Caster Manufacturing Co ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2021-12-28
Anticipated expiration: 2031-07-30

Abstract

The utility model discloses a lifting caster wheel convenient to adjust, which comprises: the device comprises a locking plate, a steering piece, a wheel carrier, a foot seat and a lifting component; the wheel carrier comprises a main body and a fork frame, the fork frame is formed on the outer side of the main body, the roller is rotationally arranged in the fork frame, and the top of the main body is rotationally connected to the center of the lock plate through a steering piece; the lifting component comprises an outer cylinder, an adjusting rod and a fixing nut, one end of the outer cylinder is fixedly connected to the center of the steering piece, the adjusting rod is externally provided with threads, one end of the adjusting rod extends into the outer cylinder from the other end, far away from the steering piece, of the outer cylinder in a thread fit connection mode, the foot stand is arranged right below the center of the main body, the other end of the adjusting rod is fixedly connected with the center of the foot stand, and the fixing nut is fixedly sleeved on the adjusting rod and abutted to the top surface of the foot stand; the fixing nut is rotated to drive the adjusting rod to move axially along the outer barrel, and the adjusting wheel carrier and the locking plate are integrally lifted so that the roller is higher than or lower than the bottom surface of the foot seat. The caster has good adjusting convenience and use reliability.

Description

Lifting caster wheel convenient to adjust

Technical Field

The utility model belongs to the technical field of casters, and particularly relates to a lifting caster convenient to adjust.

Background

The caster wheels are applied to a cart, a foot rest or other load-carrying equipment and play a role in convenient movement, and generally the caster wheels comprise a movable caster wheel and a fixed caster wheel, wherein the fixed caster wheel has no rotating structure and can only move in one direction when matched; the majority of the movable casters are movable casters which can rotate freely and can move within any angle.

Generally design the brake on the truckle on the market, step on according to the brake and live the wheel and reach fixed effect, though the process operation that the brake was implemented is more simple and convenient, also can better reach the stationary state to the less object of load, if the great equipment of load quality is like lathe etc. the fixed reliability of brake is not enough, still rocks by external force promotion, stabilizes inadequately and brings great work influence, especially still can aggravate the brake failure, leads to the production of use accident.

Accordingly, there is a need for a caster that can be adjusted in height to stably position a load-bearing object.

SUMMERY OF THE UTILITY MODEL

In order to solve the existing problems in the background art, the utility model provides a lifting caster which is convenient to adjust.

The utility model adopts the following technical scheme:

a portable adjustable lift caster comprising: the device comprises a locking plate, a steering piece, a wheel carrier, a foot seat and a lifting component;

the wheel carrier comprises a main body and a fork frame, the fork frame is formed on the outer side of the main body, a roller is rotationally arranged in the fork frame, and the top of the main body is rotationally connected to the center of the lock plate through a steering piece;

the lifting component comprises an outer cylinder, an adjusting rod and a fixing nut, the outer cylinder is positioned in an adjusting area formed by the main body, one end of the outer cylinder is fixedly connected to the center of the steering piece, the adjusting rod is externally provided with threads, one end of the adjusting rod extends into the outer cylinder from the other end, far away from the steering piece, of the outer cylinder in a thread fit connection mode, the foot rest is arranged right below the center of the main body, the other end of the adjusting rod is fixedly connected with the center of the foot rest, and the fixing nut is fixedly sleeved on the adjusting rod and abutted to the top surface of the foot rest;

and rotating the fixing nut to drive the adjusting rod to move axially along the outer barrel, and regulating and controlling the integral lifting of the wheel carrier and the locking plate so as to enable the roller to be higher than or lower than the bottom surface of the foot seat.

In some embodiments, the locking plate has a first through hole at the center thereof for the closed end of the outer cylinder to fit through and be fixed to.

In some embodiments, the steering member comprises a first rotating disc, a second rotating disc and a plurality of balls, the outer diameter of the first rotating disc is larger than that of the second rotating disc, the first rotating disc and the second rotating disc are concentrically fixed on the outer side of the outer cylinder in an up-and-down spaced mode, the first rotating disc is close to the closed end of the outer cylinder, the second rotating disc is arranged on the lower portion of the first rotating disc, and the balls are arranged on the first rotating disc and the second rotating disc to form a ball ring rolling around the center.

In some embodiments, the center of the main body is provided with a second through hole, the main body is located between the first rotating disc and the second rotating disc, and the ball rings on the first rotating disc and the second rotating disc are respectively matched with the rolling grooves on the lower portion of the lock plate and the lower portion of the main body to realize rolling.

In some embodiments, the lifting member further comprises an anti-wear gasket and a positioning gasket, the anti-wear gasket and the positioning gasket are both mounted on the other end of the adjusting rod away from the outer cylinder, the anti-wear gasket is in contact with the fixing nut, and the positioning gasket is spaced below the anti-wear gasket.

In some embodiments, the lifting member further comprises a limit nut rotatably disposed on the adjustment rod and constrained between the fixing nut and the outer cylinder.

In some embodiments, the upper side and the lower side of the bottom surface of the foot seat are respectively provided with a first groove body and a second groove body, the foot seat is positioned under the wheel carrier, the adjusting rod penetrates through the bottom surface of the foot seat in a rotating mode, and the anti-abrasion gasket and the positioning gasket are respectively clamped in the first groove body and the second groove body.

In some embodiments, an avoiding position is formed on one side of the foot seat, and when the foot seat is close to the wheel frame, the roller extends out of the avoiding position.

The utility model has the following beneficial effects:

the load that this truckle can bear is big, is fit for the great lathe class equipment of quality to use, and the regulative mode is simple, uses spanner or pliers to twist fixation nut and carries out the lifting or transfer with the wheel carrier, and the wheel carrier lifting is carried out the carrier to the footstand and is stablely placed, and the steadiness is high, and is reverse to transfer the wheel carrier to the bottom surface that the gyro wheel is less than the footstand, adjusts suitable highly be convenient for promote, possesses better regulation convenience and use reliability.

Drawings

FIG. 1 is a schematic view of a conveniently adjustable lift caster of the present invention;

FIG. 2 is an exploded view of the conveniently adjustable lifting caster;

fig. 3 is a schematic diagram of an exploded structure from another perspective.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-3 together, the utility model relates to a conveniently adjustable lifting caster, comprising: the locking plate 1, a steering piece, a wheel carrier 2, a foot stool 3 and a lifting component.

Wherein, the external profile of the locking plate 1 is of a square structure, four corners are processed through fillets, the collision damage is reduced, in addition, a first through hole 10 is arranged at the center of the locking plate 1, and mounting holes are formed at the four corners of the locking plate 1 and are used for being fixedly mounted with a bearing body.

As shown in fig. 2, the wheel carrier 2 comprises a body 20 and a fork 21, the fork 21 is formed on the outer side of the body 20, a roller is rotatably arranged in the fork 21, a second through hole 22 is formed in the center of the body 20, when the wheel carrier is assembled, a locking plate 1 is kept above the body 20, the first through hole 10 and the second through hole 22 are concentric, the top of the body 20 is rotatably connected to the center of the locking plate 1 through a steering member, and therefore, only a rotational degree of freedom exists between the locking plate 1 and the wheel carrier 2.

The lifting member includes an outer cylinder 4, an adjustment lever 5, and a fixing nut 6.

In detail, the outer cylinder 4 is located in the adjusting area formed by the body 20, and the closed end of the outer cylinder 4 is fixedly connected to the center of the steering member, so that the locking plate 1, the steering member and the outer cylinder 4 are fixedly integrated.

The adjusting rod 5 is externally provided with threads, one end of the adjusting rod extends into the inner part from the other end of the outer cylinder 4 far away from the steering piece in a thread matching connection mode, when the adjusting rod 5 rotates, the adjusting rod 5 moves axially along the outer cylinder 4 under the matching transmission of the threads, and the distance between the adjusting rod 5 and the outer cylinder is changed.

In this embodiment, as shown in fig. 2, the steering member functions as a rotational connection between the wheel carrier 2 and the locking plate 1, the steering member includes a first rotating disk 7, a second rotating disk 8 and a plurality of balls 9, the outer diameter of the first rotating disk 7 is larger than that of the second rotating disk 8, the first rotating disk 7 and the second rotating disk 8 are concentrically fixed outside the outer cylinder 4 in an up-down interval manner, wherein the first rotating disk 7 is close to the closed end of the outer cylinder 4, the second rotating disk 8 is arranged below the first rotating disk 7, and the plurality of balls 9 are arranged on the first rotating disk 7 and the second rotating disk 8 in a ball 9 ring rolling around the center.

Referring to fig. 2, the main body 20 is located between the first rotating disk 7 and the second rotating disk 8, and the respective balls 9 on the first rotating disk 7 and the second rotating disk 8 are respectively matched with the rolling grooves on the lower portion of the lock plate 1 and the lower portion of the main body 20 to realize rolling, so that the roller can be rotated to any suitable angle for use.

In addition, as shown in fig. 2 and 3, the lifting member further includes an anti-wear pad 11 and a positioning pad 12, the anti-wear pad 11 and the positioning pad 12 are both mounted on the other end of the adjusting rod 5 away from the outer cylinder 4, wherein the anti-wear pad 11 is in contact with the fixing nut 6, and the positioning pad 12 is spaced below the anti-wear pad 11.

Referring to fig. 2 and 3, in addition, the upper and lower sides of the bottom surface of the foot base 3 are respectively provided with a first groove 30 and a second groove 31, the foot base 3 is positioned under the wheel carrier 2, the adjusting rod 5 is rotated to pass through the bottom surface of the foot base 3, the anti-wear gasket 11 and the positioning gasket 12 are respectively clamped in the first groove 30 and the second groove 31, the fixing nut 6 is rotated in cooperation with the anti-wear gasket 11 to avoid directly wearing on the bottom surface of the foot base 3, so as to improve the durability, one end of the adjusting rod 5 close to the fixing nut 6 is fixedly connected with the center of the foot base 3, the fixing nut 6 is fixedly sleeved on the adjusting rod 5 and abuts against the top surface of the foot base 3, the fixing nut 6 is rotated to drive the adjusting rod 5 to axially move along the outer cylinder 4, so as to regulate and control the whole lifting of the wheel carrier 2 and the locking plate 1, so as to enable the roller to be higher or lower than the bottom surface of the foot base 3, one side of the foot base 3 is provided with an avoiding position 32, when the foot seats 3 are close to the wheel frame 2, the rollers extend out of the avoidance positions 32, so that the interference phenomenon is avoided.

Referring to fig. 2, finally, the lifting component still includes stop nut 13, stop nut 13 rotates and sets up on adjusting pole 5, and the restraint is in between fixation nut 6 and urceolus 4, the position that footstock 3 and wheel carrier 2 are closest is carried out the position restraint by stop nut 13, avoid because fixation nut 6 and urceolus 4 are too close to lead to the card died, adjust and to use spanner or pliers, rotate behind the fixation nut 6 of blocking, carry out lifting or transferring with wheel carrier 2, the wheel carrier 2 lifting is carried out the supporting body to footstock 3 and is put firmly, the steadiness is high, reverse transfer wheel carrier 2 to the bottom surface that the gyro wheel is less than footstock 3, adjust to suitable height and be convenient for promote, possess better regulation convenience and use reliability.

The utility model has the advantages that:

It will be appreciated by those skilled in the art that the utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the utility model are intended to be embraced therein.

Claims

1. A lift truckle that portable adjusted, its characterized in that includes: the device comprises a locking plate, a steering piece, a wheel carrier, a foot seat and a lifting component;

2. The adjustable lift caster of claim 1, wherein said locking plate has a first through hole in the center thereof for the closed end of said outer barrel to fit through and be secured to.

3. The adjustable lift caster of claim 1, wherein said steering member comprises a first rotatable disk having a larger outer diameter than said second rotatable disk, said first and second rotatable disks being concentrically fixed to the outside of said outer barrel in an upwardly and downwardly spaced apart relationship, wherein said first rotatable disk is adjacent the closed end of said outer barrel, said second rotatable disk is below said first rotatable disk, and said plurality of balls are arranged on said first and second rotatable disks in a ball-and-race rolling about the center.

4. The adjustable lifting caster wheel as claimed in claim 3, wherein the main body has a second through hole at the center, the main body is located between the first and second rotating discs, and the ball rings of the first and second rotating discs are respectively engaged with the rolling grooves of the lower part of the locking plate and the lower part of the main body to roll.

5. The adjustable lifting caster of claim 4, wherein said lifting member further comprises an anti-wear pad and a positioning pad, said anti-wear pad and said positioning pad being mounted to the other end of said adjustment rod remote from said outer barrel, wherein said anti-wear pad is in contact with said set nut, and said positioning pad is spaced below said anti-wear pad.

6. The adjustable lift caster of claim 5, wherein said lift member further comprises a limit nut rotatably disposed on said adjustment bar and constrained between said retaining nut and said outer barrel.

7. The lifting caster wheel convenient to adjust as claimed in claim 5, wherein the upper side and the lower side of the bottom surface of the foot seat are respectively provided with a first groove body and a second groove body, the foot seat is positioned under the wheel carrier, the adjusting rod passes through the bottom surface of the foot seat in a rotating manner, and the anti-abrasion gasket and the positioning gasket are respectively clamped in the first groove body and the second groove body.

8. The adjustable lifting caster as claimed in any one of claims 1 to 7, wherein an evasion position is formed on one side of the foot base, and when the foot base is close to the wheel frame, the roller extends from the evasion position.