CN222407847U - Caster with heightening bracket - Google Patents
Caster with heightening bracket Download PDFInfo
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- CN222407847U CN222407847U CN202421293700.XU CN202421293700U CN222407847U CN 222407847 U CN222407847 U CN 222407847U CN 202421293700 U CN202421293700 U CN 202421293700U CN 222407847 U CN222407847 U CN 222407847U
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Abstract
The utility model discloses a caster with an heightening bracket, which comprises wheels and a bearing arranged on the axle center of the wheels, wherein an adjustable caster frame is arranged on the bearing, a first ball disc is fixed at the top of the adjustable caster frame, a second ball group is arranged in a second ball placing groove, bolt mounting holes are respectively arranged on the axle centers of the first ball disc, the second ball disc and a mounting plate, and a bolt group connected with the first ball disc, the second ball disc and the mounting plate is arranged in the bolt mounting holes.
Description
Technical Field
The utility model relates to the technical field of auxiliary equipment of conveying devices, in particular to a castor with a heightening bracket.
Background
Casters are a generic term and include movable casters and fixed casters. The movable castor is also called universal wheel, its structure can be rotated, and the fixed castor is also called directional castor, and it has no rotating structure, and can not be rotated. Conventional casters generally secure the wheel to the frame via an axle. The caster bracket has a complex structure and more parts, and causes great obstruction to the design of a die and the assembly of casters.
The height-adjustable balance caster comprises a caster body, a caster frame, a bearing and a mounting plate, wherein the caster body is rotatably connected to the caster frame, the bearing is arranged above the caster frame and is arranged on the mounting plate, the mounting plate is connected with a height-adjusting pipe, the height-adjusting pipe is provided with a plurality of first through holes, the first through holes are distributed along the length direction of the height-adjusting pipe, the height-adjusting pipe is sleeved on a telescopic rod, the telescopic rod is provided with a second through hole, a bolt passes through the first through hole and the second through hole to fix the telescopic rod with the height-adjusting pipe, the outer circumferential surface of the caster body is sleeved with a wheel sleeve, the outer circumferential surface of the caster body is provided with a plurality of inwards concave grooves, the wheel sleeve is uniformly distributed along the circumferential direction of the caster body, the wheel sleeve is provided with a convex strip matched with the grooves, the convex strip is clamped into the groove to realize the fixation of the caster body, the wheel sleeve is provided with a plurality of buffer cavities, the height-adjusting pipe is arranged along the length direction of the height-adjusting pipe, the height-adjusting pipe is correspondingly provided with the height-adjusting pipe, the height-adjustable balance caster is provided with a plurality of buckles, the height-adjusting pipe is correspondingly arranged on the top of the caster body, the caster body is provided with the height-adjusting pipe, the height-adjustable balance caster is provided with the height-adjusting pipe, the height-adjustable caster is provided with the height-adjustable caster body is provided with a height-adjustable, the height-adjusting pipe, the height-adjustable caster body is provided with the height-adjustable, and the height-adjustable caster is provided with the height, and the height is provided with the height, and the height is, therefore, the gravity center of the caster wheel is too high, and the gravity center is unstable when the vehicle body moves, so that the vehicle can be overturned easily.
Disclosure of utility model
The utility model aims to provide a caster with a heightening bracket.
In order to achieve the above purpose, the present utility model adopts the following scheme:
The utility model relates to a caster with an heightening bracket, which comprises wheels and a bearing arranged on the axle center of the wheels, wherein an adjustable caster frame is arranged on the bearing, a first ball disc is fixed at the top of the adjustable caster frame, a second ball disc and a mounting plate are sequentially arranged above the first ball disc, a first ball placing groove is arranged between the first ball disc and the second ball disc, a first ball group is arranged in the first ball placing groove, a second ball placing groove is arranged between the second ball disc and the mounting plate, a second ball group is arranged in the second ball placing groove, bolt mounting holes are respectively arranged on the axle centers of the first ball disc, the second ball disc and the mounting plate, and a structure for adjusting the height is arranged in the bolt mounting holes from the top of the mounting plate.
As a further proposal of the utility model, the adjustable caster frame comprises a first supporting plate arranged at two ends of a bearing, a second supporting plate is symmetrically arranged at the bottom of the first ball disc, a guiding groove is arranged at one side of the first supporting plate, which is close to the second supporting plate, a guiding rod which can be inserted into the guiding groove is arranged on the second supporting plate, and an adjusting group is arranged between the first supporting plate and the second supporting plate.
As a further proposal of the utility model, the adjusting group comprises a first threaded hole which is sequentially arranged on a first supporting plate from top to bottom, a jack coaxial with the first threaded hole is arranged on a second supporting plate, and a first bolt which can be inserted into the jack is connected with the first threaded hole in a threaded way.
As a preferable scheme of the utility model, the first ball disc comprises a first circular plate fixed at the top of the adjustable caster frame, a first conical plate is arranged at the top of the first circular plate, an annular inclined plane is arranged at the outer edge of the top of the first circular plate, and the bolt mounting hole is arranged on the axle center of the first conical plate.
As a further proposal of the utility model, the second ball disc comprises a second circular plate arranged above the first circular plate, a first conical groove which can be matched with the annular inclined surface is arranged at the bottom of the second circular plate, a second conical plate is arranged at the top of the second circular plate, and the bolt mounting hole is arranged on the second conical plate.
As a preferable mode of the utility model, the first ball placement groove comprises a first ball groove which is circumferentially arranged at the outer edge of the first conical plate, a second ball groove is circumferentially arranged on the first conical groove, and the first ball group is arranged between the first ball groove and the second ball groove.
As a further proposal of the utility model, the second ball placement groove comprises a third ball groove which is arranged around the outer edge of the second conical plate, the bottom of the mounting plate is provided with a second conical groove matched with the second conical plate, the outer edge of the second conical groove is provided with a fourth ball groove, and the second ball group is arranged between the third ball groove and the fourth ball groove.
As a preferable scheme of the utility model, the bolt group comprises counter bores respectively arranged at the top of the mounting plate and the bottom of the second ball disk, a second bolt is arranged above the mounting plate, the second bolt sequentially passes through the first ball disk, the second ball disk and the bolt mounting holes on the mounting plate, and a nut in threaded connection with the second bolt is arranged at the bottom of the first ball disk.
As a preferable scheme of the utility model, the bearing comprises a through hole arranged on a wheel axle, a rotating shaft is arranged on the through hole axle, two ends of the rotating shaft are respectively provided with a bearing inner ring in a rotating way, a wheel cover is sleeved on the bearing inner ring, a fifth ball groove and a sixth ball groove are respectively arranged between the bearing inner ring and the wheel cover, a third ball group is arranged between the fifth ball groove and the sixth ball groove, the wheel cover is respectively arranged at two ends of the through hole, two ends of the rotating shaft are respectively provided with a second threaded hole, the outer walls of the two ends of the rotating shaft are provided with steps, the first supporting plate is rotatably arranged on the steps, and a third bolt for fixing the first supporting plate is connected to the second threaded holes in a threaded way.
Compared with the prior art, the utility model has the beneficial effects that the height-adjustable caster has the advantages that the height-adjustable caster can be adjusted from the top of the mounting plate through the height-adjustable structure, so that the gravity center of the caster is not higher after the caster is connected with the vehicle body, the rollover of the vehicle body due to overhigh gravity center when the vehicle body moves is reduced, and the rolling ball group is arranged between the first rolling ball disc, the second rolling ball disc and the mounting plate, so that friction force is reduced when the caster rotates, and the caster rotates more smoothly.
Drawings
Fig. 1 is a perspective view of the present utility model.
Fig. 2 is one of the exploded views of the present utility model.
FIG. 3 is a second exploded view of the present utility model.
Fig. 4 is a cross-sectional view of the present utility model.
Fig. 5 is an enlarged view of the present utility model at a in fig. 2.
Fig. 6 is an enlarged view of the present utility model at B in fig. 3.
The reference numerals are 1, wheel, 20, bearing, 40, adjustable pulley yoke, 60, first ball disc, 70, second ball disc, 2, mounting plate, 80, first ball placement groove, 3, first ball group, 90, second ball placement groove, 4, second ball group, 5, bolt mounting hole, 100, bolt group, 41, first support plate, 42, second support plate, 43, guide groove, 44, guide rod, 50, adjustment group, 51, first threaded hole, 52, jack, 53, first bolt, 61, first circular plate, 62, first conical plate, 63, annular inclined plane, 71, second circular plate, 72, first conical groove, 73, second conical plate, 81, first ball groove, 82, second ball groove, 91, third ball groove, 92, second conical groove, 93, fourth ball groove, 101, counter bore, 102, second bolt, 103, nut, 21, through hole, 22, rotating shaft, 23, bearing inner race, 24, wheel cap, 25, fifth conical plate, sixth ball groove, 27, third ball groove, 31, third ball groove, 30.
Detailed Description
The following detailed description provides many different embodiments, or examples, for implementing the utility model. Of course, these are merely embodiments or examples and are not intended to be limiting. In addition, repeated reference numerals, such as repeated numbers and/or letters, may be used in various embodiments. These repetition, in order to describe the utility model in a simplified and clear manner, does not dictate a particular relationship between the various embodiments and/or configurations discussed.
Furthermore, where spatially relative terms such as "under," "underside," "inside-out," "above," "upper side," and the like are used herein, such terms are used for convenience in describing the relationship between one element or feature and another element or feature in the drawings, the spatially relative terms include different orientations of the device in use or operation and the orientations depicted in the drawings. The spatially relative terms are intended to be construed as corresponding to a single orientation of the device in which the device is rotated to a different degree of rotation or other orientation and thus are not to be construed as limiting the utility model but rather as merely descriptive of the relative importance or the number of features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
The utility model is further described below with reference to the accompanying drawings and the detailed description, wherein the caster with the heightening bracket comprises a wheel 1 and a bearing 20 arranged on the axis of the wheel 1, an adjustable caster frame 40 is arranged on the bearing 20, a first ball disc 60 is fixed on the top of the adjustable caster frame 40, a second ball disc 70 and a mounting plate 2 are sequentially arranged above the first ball disc 60, a first ball placing groove 80 is arranged between the first ball disc 60 and the second ball disc 70, a first ball group 3 is arranged in the first ball placing groove 80, a second ball placing groove 90 is arranged between the second ball disc 70 and the mounting plate 2, a second ball group 4 is arranged in the second ball placing groove 90, bolt mounting holes 5 are respectively arranged on the axes of the first ball disc 60, the second ball disc 70 and the mounting plate 2, and a bolt group 100 for connecting the first ball disc 60, the second ball disc 70 and the mounting plate 2 is arranged in the bolt mounting holes 5.
In a further embodiment of the adjustable caster frame 40 of the present utility model, the adjustable caster frame 40 includes a first support plate 41 mounted at both ends of the bearing 20, a second support plate 42 is symmetrically disposed at the bottom of the first ball disk 60, a guide groove 43 is disposed at one side of the first support plate 41 close to the second support plate 42, a guide rod 44 capable of being inserted into the guide groove 43 is disposed on the second support plate 42, an adjusting group 50 is disposed between the first support plate 41 and the second support plate 42, the first support plate 41 can be pulled to move along the guide rod 44 when the height of the caster is adjusted, and the height of the caster is adjusted by adjusting the distance between the first support plate 41 and the second support plate 42.
In a further embodiment of the adjusting set 50 in the present utility model, the adjusting set 50 includes a first threaded hole 51 sequentially provided on the first support plate 41 from top to bottom, a jack 52 concentric with the first threaded hole 51 is provided on the second support plate 42, a first bolt 53 capable of being inserted into the jack 52 is screwed on the first threaded hole 51, and when the distance between the first support plate 41 and the second support plate 42 is adjusted, but the height of the caster is adjusted, it is ensured that one pair of the first threaded holes 51 and the jack 52 are on the same axis, and then screwed with the first bolt 53, and the first bolt 53 is inserted into the jack 52, so that the current height of the caster is achieved.
In a further embodiment of the first ball disc 60 in the present utility model, the first ball disc 60 includes a first circular plate 61 fixed on the top of the adjustable pulley frame 40, a first conical plate 62 is disposed on the top of the first circular plate 61, an annular inclined surface 63 is disposed at the outer edge of the top of the first circular plate 61, and the bolt mounting hole 5 is disposed on the axis of the first conical plate 62.
In a further embodiment of the second ball disc 70 in the present utility model, the second ball disc 70 includes a second circular plate 71 disposed above the first circular plate 61, a first conical groove 72 capable of being matched with the annular inclined surface 63 is disposed at the bottom of the second circular plate 71, a second conical plate 73 is disposed at the top of the second circular plate 71, the bolt mounting hole 5 is disposed on the second conical plate 73, and the annular inclined surface 63 and the first conical groove 72 are matched to achieve the effect of convenient installation and positioning.
In a further embodiment of the first ball placement groove 80 in the present utility model, the first ball placement groove 80 includes a first ball groove 81 circumferentially disposed at an outer edge of the first tapered plate 62, a second ball groove 82 circumferentially disposed on the first tapered plate 72, the first ball group 3 is disposed between the first ball groove 81 and the second ball groove 82, the first ball groove 81 is disposed at the outer edge of the first tapered plate 62 to achieve a function of conveniently mounting balls, and when the balls are mounted, the balls are retained in the first ball groove 81 under the function of the first tapered plate 72, and the first ball groove 81 and the second ball groove 82 cooperate to fix the first ball group 3.
In a further embodiment of the second ball placement groove 90 in the present utility model, the second ball placement groove 90 includes a third ball groove 91 circumferentially disposed at an outer edge of the second conical plate 73, a second conical groove 92 matched with the second conical plate 73 is disposed at the bottom of the mounting plate 2, a fourth ball groove 93 is disposed at an outer edge of the second conical groove 92, and the second ball group 4 is disposed between the third ball groove 91 and the fourth ball groove 93, and the second ball group 4 can be fixed after the third ball groove 91 is matched with the fourth ball groove 93.
In a further embodiment of the bolt assembly 100 in the present utility model, the bolt assembly 100 includes counter bores 101 respectively provided on the top of the mounting plate 2 and the bottom of the second ball disk 70, a second bolt 102 is provided above the mounting plate 2, the second bolt 102 sequentially passes through the first ball disk 60, the second ball disk 70 and the bolt mounting hole 5 on the mounting plate 2, a nut 103 screwed with the second bolt 102 is provided on the bottom of the first ball disk 60, and when the second bolt 102 sequentially passes through the first ball disk 60, the second ball disk 70 and the bolt mounting hole 5 on the mounting plate 2, and then is connected with the nut 103, the first ball disk 60, the second ball disk 70 and the mounting plate 2 can be fixed together.
In a further embodiment of the bearing 20 in the present utility model, the bearing 20 includes a through hole 21 disposed on the axle center of the wheel 1, a rotating shaft 22 is disposed on the axle center of the through hole 21, two ends of the rotating shaft 22 are respectively rotatably provided with a bearing inner ring 23, a wheel cover 24 is sleeved on the bearing inner ring 23, a fifth ball groove 25 and a sixth ball groove 26 are respectively disposed between the bearing inner ring 23 and the wheel cover 24, a third ball group 27 is disposed between the fifth ball groove 25 and the sixth ball groove 26, the wheel cover 24 is respectively mounted at two ends of the through hole 21, two ends of the rotating shaft 22 are respectively provided with a second threaded hole 29, two outer walls of two ends of the rotating shaft 22 are provided with steps 30, the first support plate 41 is rotatably disposed on the steps 30, a third bolt 31 for fixing the first support plate 41 is screwed on the second threaded hole 29, and the bearing 20 has the function of reducing friction force generated by rotation of the wheel, so that rotation of the wheel is smoother.
When the height of the castor is adjusted, the first supporting plate 41 can be pulled to move along the guide rod 44, the height of the castor can be adjusted by adjusting the distance between the first supporting plate 41 and the second supporting plate 42, when the height of the castor is adjusted, the first screw holes 51 and the jacks 52 are ensured to be on the same axis, then the first screw holes 53 are connected with the first screw holes 53 in a threaded manner, the first screw 53 is inserted into the jacks 52, the current height of the castor can be achieved, the annular inclined surface 63 and the first conical groove 72 are matched to achieve the effect of convenient installation, the positioning effect is achieved, the first ball grooves 81 are arranged at the outer edge of the first conical plate 62 to achieve the effect of convenient installation of balls, after the balls are placed in the first ball grooves 81 when the balls are installed, the balls can be kept in the first ball grooves 81 under the effect of the first conical groove 72, the first ball grooves 81 and the second ball grooves 82 are matched with the second ball grooves 82 to fix the first ball group 3, and when the second screw 102 sequentially penetrates through the first ball grooves 60 and the second ball grooves 70, and the friction plate 70 can be more smoothly rotated, and the friction between the first ball group and the second ball group is reduced, and the friction plate is applied to the ball plate is 20.
While the basic principles and main features of the utility model and advantages of the utility model have been shown and described, it will be understood by those skilled in the art that the utility model is not limited by the foregoing embodiments, which are described in the foregoing description merely illustrate the principles of the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421293700.XU CN222407847U (en) | 2024-06-06 | 2024-06-06 | Caster with heightening bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421293700.XU CN222407847U (en) | 2024-06-06 | 2024-06-06 | Caster with heightening bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222407847U true CN222407847U (en) | 2025-01-28 |
Family
ID=94358262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421293700.XU Active CN222407847U (en) | 2024-06-06 | 2024-06-06 | Caster with heightening bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222407847U (en) |
-
2024
- 2024-06-06 CN CN202421293700.XU patent/CN222407847U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |