CN213138391U

CN213138391U - Caster capable of adjusting height

Info

Publication number: CN213138391U
Application number: CN202021201882.5U
Authority: CN
Inventors: 陈创福
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-30
Filing date: 2020-06-27
Publication date: 2021-05-07
Anticipated expiration: 2030-06-27

Abstract

The utility model discloses a truckle that can height-adjusting, including the base, the equal fixedly connected with fixed plate in both sides of base bottom, the support fixed orifices has been seted up on the surface of fixed plate, and the fixed slot has been seted up at the top of base, and the inside fixed mounting of fixed slot has the ball, and the top of base and the position that is located the fixed slot inside have seted up logical groove. The utility model discloses a support fixed orifices, the connecting plate, the bearing, a supporting plate, the adjusting screw hole, the supported hole, the truckle, second bolt and second nut mutually support, when needs carry out the festival height to the truckle, pull down the second bolt from support fixed orifices and adjusting screw hole, then according to the condition on road surface, make the second bolt insert in not the support fixed orifices of co-altitude and the adjusting screw hole, highly adjust the truckle, and can divide into the fourth gear and adjust the truckle height, need not to change any part, convenient to use, bring very big facility for the user.

Description

Caster capable of adjusting height

Technical Field

The utility model relates to a truckle technical field specifically is a truckle that can height-adjusting.

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 shallow of truckle in daily use often can park under the condition such as step, road surface are uneven or platform height need adjust, for this reason, we have designed the truckle of new style and need not to change any part, and truckle that can height-adjusting satisfies user's use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can height-adjusting's truckle possesses the advantage that can height-adjusting, has solved common truckle problem that can not height-adjusting.

In order to achieve the above object, the utility model provides a following technical scheme: a caster wheel capable of adjusting height comprises a base, wherein fixed plates are fixedly connected to two sides of the bottom of the base, bracket fixing holes are formed in the surfaces of the fixed plates, a fixing groove is formed in the top of the base, balls are fixedly mounted in the fixing groove, a through groove is formed in the position, located in the fixing groove, of the top of the base, a connecting plate is arranged at the top of each ball, a first bolt is arranged at the top of the connecting plate, a bearing is arranged at the position, located between the two fixed plates, of the bottom of the base, a bottom end of the first bolt sequentially penetrates through the connecting plate, the through groove and the bearing from top to bottom and extends to the outside of the bearing, a first nut is connected to the surface of the first bolt located outside the bearing in a threaded manner, two supporting plates are arranged between the two fixed plates, be provided with the truckle between two backup pads, the surface of support fixed orifices is provided with the second bolt, the one end that the second bolt is close to the truckle runs through adjusting screw hole and support fixed orifices in proper order and extends to the outside of support fixed orifices, and the surface screw thread that is located the outside second bolt of support fixed orifices is connected with the second nut, the surface of brace hole is provided with the third bolt, the one end that the third bolt is close to the truckle runs through the truckle in proper order and the outside that extends to the brace hole with the brace hole, and the surface screw thread that is located the outside third bolt of brace hole is connected with the third nut.

Preferably, the four corners of the top of the connecting plate are provided with mounting holes.

Preferably, the number of the adjusting screw holes and the number of the support fixing holes are all set to five, and the adjusting screw holes correspond to the support fixing holes.

Preferably, the fixing plate can rotate with the base through balls and bearings.

Preferably, the surface of the third bolt is movably connected with a caster.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a support fixed orifices, the connecting plate, the bearing, a supporting plate, the adjusting screw hole, the supported hole, the truckle, second bolt and second nut mutually support, when needs carry out the festival height to the truckle, pull down the second bolt from support fixed orifices and adjusting screw hole, then according to the condition on road surface, make the second bolt insert in not the support fixed orifices of co-altitude and the adjusting screw hole, highly adjust the truckle, and can divide into the fourth gear and adjust the truckle height, need not to change any part, convenient to use, bring very big facility for the user.

Drawings

FIG. 1 is a structural exploded view of the front view of the present invention;

FIG. 2 is a schematic view of the installation structure of the front view of the present invention;

FIG. 3 is a schematic view of the highest gear structure of the caster of the present invention;

FIG. 4 is a schematic view of the first gear position of the caster of the present invention after lowering;

FIG. 5 is a schematic view of the caster of the present invention in a second gear position after lowering;

fig. 6 is a schematic structural view of the third gear after the caster of the present invention is lowered.

In the figure: the device comprises a base 1, a fixing plate 2, a support fixing hole 3, a fixing groove 4, a ball 5, a through groove 6, a connecting plate 7, a first bolt 8, a bearing 9, a first nut 10, a support plate 11, an adjusting screw hole 12, a support hole 13, a caster 14, a second bolt 15, a second nut 16, a third bolt 17, a third nut 18 and a mounting hole 19.

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. 1-6, a height adjustable caster comprises a base 1, wherein both sides of the bottom of the base 1 are fixedly connected with a fixing plate 2, the surface of the fixing plate 2 is provided with a bracket fixing hole 3, the top of the base 1 is provided with a fixing groove 4, a ball 5 is fixedly arranged inside the fixing groove 4, the top of the base 1 and the position inside the fixing groove 4 are provided with a through groove 6, the top of the ball 5 is provided with a connecting plate 7, four corners of the top of the connecting plate 7 are provided with mounting holes 19, the device is conveniently mounted by arranging the mounting holes 19, the top of the connecting plate 7 is provided with a first bolt 8, the position between the two fixing plates 2 at the bottom of the base 1 is provided with a bearing 9, the bottom end of the first bolt 8 sequentially penetrates through the connecting plate 7, the through groove 6 and the bearing 9 from top to bottom and extends, the fixing plates 2 can rotate with the base 1 through the balls 5 and the bearings 9, the surface of a first bolt 8 positioned outside the bearings 9 is connected with a first nut 10 through threads, two supporting plates 11 are arranged between the two fixing plates 2, the surface of each supporting plate 11 is provided with an adjusting screw hole 12 and a supporting hole 13, a caster 14 is arranged between the two supporting plates 11, the surface of each support fixing hole 3 is provided with a second bolt 15, one end of each second bolt 15, which is close to each caster 14, sequentially penetrates through the adjusting screw holes 12 and the support fixing holes 3 and extends to the outside of the support fixing holes 3, the number of the adjusting screw holes 12 and the number of the support fixing holes 3 are five, the adjusting screw holes 12 correspond to the support fixing holes 3, the surface of the second bolt 15 positioned outside the support fixing holes 3 is connected with a second nut 16 through threads, and the surface of each supporting hole 13 is provided with a third bolt, one end of the third bolt 17 close to the caster 14 penetrates through the caster 14 and the support hole 13 in sequence and extends to the outside of the support hole 13, the surface of the third bolt 17 is movably connected with the caster 14, and the surface of the third bolt 17 positioned outside the support hole 13 is connected with a third nut 18 in a threaded manner.

When the caster 14 is in the highest gear position in fig. 3, fig. 4 is the first gear position after the caster 14 is lowered, fig. 5 is the second gear position after the caster 14 is lowered, fig. 6 is the third gear position after the caster 14 is lowered, when the caster 14 needs to be adjusted, the second nut 16 is rotated, the second bolt 15 is detached from the bracket fixing hole 3 and the adjusting screw hole 12, the supporting plate 11 is rotated, the bracket fixing hole 3 corresponds to the adjusting screw hole 12, the second bolt 15 is inserted into the bracket fixing hole 3 and the adjusting screw hole 12 below or above, the second bolt 15 is limited by the second nut 16, and the height of the caster 14 can be adjusted.

In summary, the following steps: this can truckle of height-adjusting, through support fixed orifices 3, connecting plate 7, bearing 9, backup pad 11, adjust screw hole 12, supporting hole 13, truckle 14, second bolt 15 and second nut 16 mutually support, when needs carry out the festival height to truckle 14, pull down second bolt 15 from support fixed orifices 3 and adjust screw hole 12, then according to the condition on road surface, make second bolt 15 insert in not the support fixed orifices 3 of co-altitude and adjust screw hole 12, highly adjust truckle 14, and can divide into the fourth gear and adjust truckle 14 height, need not to change any part, and convenient to use brings very big facility for the user.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A caster with adjustable height, comprising a base (1), characterized in that: the support is characterized in that fixed plates (2) are fixedly connected to two sides of the bottom of the base (1), support fixing holes (3) are formed in the surface of each fixed plate (2), fixing grooves (4) are formed in the top of the base (1), balls (5) are fixedly mounted in the fixing grooves (4), through grooves (6) are formed in the positions, located inside the fixing grooves (4), of the top of the base (1), connecting plates (7) are arranged at the tops of the balls (5), first bolts (8) are arranged at the tops of the connecting plates (7), bearings (9) are arranged at the positions, located between the two fixed plates (2), of the bottom of each base (1), the bottom end of each first bolt (8) sequentially penetrates through the connecting plates (7), the through grooves (6) and the corresponding bearing (9) from top to bottom and extends to the outside of the corresponding bearing (9), and first nuts (10) are connected to surface threads of the first bolts (8) located outside the corresponding, two supporting plates (11) are arranged between the two fixing plates (2), adjusting screw holes (12) and supporting holes (13) are formed in the surfaces of the supporting plates (11), casters (14) are arranged between the two supporting plates (11), second bolts (15) are arranged on the surfaces of the support fixing holes (3), one ends, close to the casters (14), of the second bolts (15) sequentially penetrate through the adjusting screw holes (12) and the support fixing holes (3) and extend to the outer portions of the support fixing holes (3), second nuts (16) are connected to the surfaces of the second bolts (15) located outside the support fixing holes (3) in a threaded mode, third bolts (17) are arranged on the surfaces of the supporting holes (13), one ends, close to the casters (14), of the third bolts (17) sequentially penetrate through the casters (14) and the supporting holes (13) and extend to the outer portions of the supporting holes (13), a third nut (18) is connected to the surface of the third bolt (17) located outside the support hole (13) in a threaded manner.

2. The caster with adjustable height as claimed in claim 1, wherein: and mounting holes (19) are formed in four corners of the top of the connecting plate (7).

3. The caster with adjustable height as claimed in claim 1, wherein: the quantity of adjusting screw hole (12) and support fixed orifices (3) all sets up to five, correspond each other between adjusting screw hole (12) and the support fixed orifices (3).

4. The caster with adjustable height as claimed in claim 1, wherein: the fixed plate (2) can rotate with the base (1) through the balls (5) and the bearings (9).

5. The caster with adjustable height as claimed in claim 1, wherein: the surface of the third bolt (17) is movably connected with the caster (14).