CN212949980U - Load-bearing universal wheel for frame - Google Patents
Load-bearing universal wheel for frame Download PDFInfo
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- CN212949980U CN212949980U CN202021883944.5U CN202021883944U CN212949980U CN 212949980 U CN212949980 U CN 212949980U CN 202021883944 U CN202021883944 U CN 202021883944U CN 212949980 U CN212949980 U CN 212949980U
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- universal wheel
- bearing seat
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- wheel
- bearing
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Abstract
The utility model provides a bearing universal wheel for frame, which is characterized in that the bearing universal wheel comprises a universal wheel upper bearing seat, a locking plate is arranged above the universal wheel upper bearing seat, a universal wheel lower bearing seat is arranged inside the universal wheel upper bearing seat, the bottom surface of the universal wheel upper bearing seat is flush with the bottom surface of the universal wheel lower bearing seat, the universal wheel lower bearing seat comprises a base and a column seat, the column seat is fixedly arranged in the center of the base, the base and the column seat are both cylindrical, the radius of the cross section of the base is larger than that of the column seat, and a first bearing is arranged above the base and at the periphery of the; through grooves are formed in the center of the lock plate, the center of the universal wheel upper bearing seat and the center of the universal wheel lower bearing seat, directional wheels are arranged inside the through grooves, and the cross sections of the through grooves and the cross sections of the directional wheels are similar to each other in shape; the center of the directional wheel is provided with a wheel shaft, two ends of the wheel shaft are of screw structures and are provided with nuts, the wheel shaft penetrates through the column base, and the nuts are tightly attached to the side wall of the column base after being screwed. The utility model discloses simple structure, the stable performance can guarantee the universal wheel free motion.
Description
Technical Field
The utility model relates to an universal wheel technical field especially relates to a bearing universal wheel for frame.
Background
The universal wheel is the activity truckle promptly, and the universal wheel allows the conversion of direction at 360 within ranges, and in the real life, the carrier is used very extensively, and current universal wheel is changing the direction of motion, especially under the great condition of weighing, rotates and can receive great resistance to lead to the universal wheel direction can not change at will, the phenomenon of great deviation appears in the moving direction, and this just causes the user to use and experiences not good.
SUMMERY OF THE UTILITY MODEL
To the above defects in the prior art, the utility model provides a bearing universal wheel for frame, including universal wheel bolster bearing housing 1, locking plate 2 is installed to universal wheel bolster bearing housing 1 top, universal wheel bolster bearing housing 1 inside is equipped with universal wheel step 3, universal wheel bolster bearing housing 1 bottom surface flushes with universal wheel step 3 bottom surface, and universal wheel step 3 includes base 301 and column base 302, and column base 302 fixed mounting is in base 301 central authorities, base 301 and column base 302 are the cylinder type, and the cross section radius of base 301 is greater than column base 302, base 301 top, column base 302 periphery are equipped with first bearing 4; a through groove 5 is formed in the centers of the lock plate 2, the universal wheel upper bearing seat 1 and the universal wheel lower bearing seat 3, a directional wheel 6 is arranged in the through groove 5, and the cross section of the through groove 5 and the cross section of the directional wheel 6 are similar to each other in shape; the center of the directional wheel 6 is provided with a wheel shaft 7, two ends of the wheel shaft 7 are of screw structures and are provided with nuts 8, the wheel shaft 7 penetrates through the column base 302, and the nuts 8 are tightly attached to the side wall of the column base 302 after being screwed.
Preferably, the upper surface of the bearing seat 1 on the universal wheel is provided with a semicircular groove.
Preferably, the locking plate 2, the universal wheel upper bearing seat 1 and the column base 302 are all provided with screw holes 10, and the screw holes 10 of the locking plate 2, the universal wheel upper bearing seat 1 and the column base 302 are all provided with four screw holes 10 which are communicated with each other.
Preferably, the first bearing 4 comprises an upper bearing 401, a lower bearing 402 and balls 403, wherein the upper bearing 401 is located above the lower bearing 402, and the balls 403 are located in an annular gap formed between the upper bearing 401 and the lower bearing 402.
Preferably, the orienting wheel 6 is internally provided with a second bearing 9.
The utility model has the advantages that: the utility model discloses simple structure, the stable performance can guarantee the universal wheel free motion.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the internal three-dimensional structure of the present invention;
fig. 3 is a schematic perspective view of the lower bearing seat of the universal wheel according to the present invention;
fig. 4 is a schematic perspective view of another angle of the present invention;
FIG. 5 is a schematic view of the three-dimensional structure of the directional wheel of the present invention
In the figure, the position of the upper end of the main shaft,
1. a bearing seat is arranged on the universal wheel; 2. a locking plate; 3. a universal wheel lower bearing seat; 301. a base; 302. a column base; 4. a first bearing; 401. an upper bearing; 402. a lower bearing; 403. a ball bearing; 5. a through groove; 6. a directional wheel; 7. a wheel axle; 8. a nut; 9. a second bearing; 10. and a screw hole.
Detailed Description
In order to make the technical solution of the present invention better understood and make the above features, objects and advantages of the present invention more comprehensible, the present invention is described in further detail with reference to the accompanying drawings. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention.
As shown in fig. 1-5, the present invention comprises: the universal wheel upper bearing seat 1 is characterized in that a locking plate 2 is arranged above the universal wheel upper bearing seat 1, a universal wheel lower bearing seat 3 is arranged inside the universal wheel upper bearing seat 1, the bottom surface of the universal wheel upper bearing seat 1 is flush with the bottom surface of the universal wheel lower bearing seat 3, the universal wheel lower bearing seat 3 comprises a base 301 and a column base 302, the column base 302 is fixedly arranged in the center of the base 301, the base 301 and the column base 302 are cylindrical, the radius of the cross section of the base 301 is larger than that of the column base 302, and a first bearing 4 is arranged above the base 301 and on the periphery of the column base 302; a through groove 5 is formed in the centers of the locking plate 2, the universal wheel upper bearing seat 1 and the universal wheel lower bearing seat 3, a directional wheel 6 is arranged in the through groove 5, and the cross section of the through groove 5 and the cross section of the directional wheel 6 are similar to each other in shape; the center of the directional wheel 6 is provided with a wheel shaft 7, two ends of the wheel shaft 7 are in screw structures and are provided with nuts 8, the wheel shaft 7 penetrates through the column base 302, and the nuts 8 are tightly attached to the side wall of the column base 302 after being screwed.
In this embodiment, the upper surface of the bearing seat 1 on the universal wheel is preferably provided with a semicircular groove.
By adopting the structure, the universal wheel can be fixedly arranged on the frame.
In this embodiment, the lock plate 2, the universal wheel upper bearing seat 1 and the column seat 302 are all provided with four screw holes 10, and the screw holes 10 of the three are all provided with four screw holes 10 which are communicated with each other.
By adopting the structure, the lock plate 2, the universal wheel upper bearing seat 1 and the column base 302 are fixedly connected, and the universal wheel upper bearing seat is convenient to disassemble, troubleshoot and replace parts.
In this embodiment, the first bearing 4 preferably includes an upper bearing 401, a lower bearing 402, and balls 403, wherein the upper bearing 401 is located above the lower bearing 402, and the balls 403 are located in an annular gap formed between the upper bearing 401 and the lower bearing 402.
The structure ensures that the frame connected with the bearing seat 1 on the universal wheel can move freely.
In the present embodiment, the orientation wheel 6 is preferably provided with a second bearing 9 inside.
When the bicycle is in use, the bottom directional wheel 6 is limited by the clamping position of the through groove 5 and is fixedly connected with the rotating shaft 7, so that the horizontal direction is not changed in the movement process, when the bicycle frame is stressed, the force is sequentially transmitted to the locking plate 2 and the universal wheel upper bearing seat 4, the universal wheel upper bearing seat 1 drives the upper bearing 401 to complete rotation, and the required rotating torque is small because the ball 403 is arranged between the upper bearing 401 and the lower bearing 402, and when the bicycle frame is heavy in load, the purpose of randomly changing the direction of the bicycle frame can be achieved without using too much force.
The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.
Claims (5)
1. The utility model provides a bearing universal wheel for frame which characterized in that: the universal wheel upper bearing seat comprises a universal wheel upper bearing seat (1), a locking plate (2) is installed above the universal wheel upper bearing seat (1), a universal wheel lower bearing seat (3) is arranged inside the universal wheel upper bearing seat (1), the bottom surface of the universal wheel upper bearing seat (1) is flush with the bottom surface of the universal wheel lower bearing seat (3), the universal wheel lower bearing seat (3) comprises a base (301) and a column base (302), the column base (302) is fixedly installed in the center of the base (301), the base (301) and the column base (302) are cylindrical, the radius of the cross section of the base (301) is larger than that of the column base (302), and a first bearing (4) is arranged above the base (301) and on the periphery of the column base (302);
a through groove (5) is formed in the centers of the lock plate (2), the universal wheel upper bearing seat (1) and the universal wheel lower bearing seat (3), a directional wheel (6) is arranged in the through groove (5), and the cross section of the through groove (5) and the cross section of the directional wheel (6) are similar to each other in shape;
the directional wheel is characterized in that a wheel shaft (7) is arranged in the center of the directional wheel (6), two ends of the wheel shaft (7) are of screw structures and are provided with nuts (8), the wheel shaft (7) penetrates through the column base (302), and the nuts (8) are tightly attached to the side wall of the column base (302) after being screwed.
2. The load-bearing universal wheel for a vehicle frame of claim 1, wherein: the upper surface of the bearing seat (1) on the universal wheel is provided with a semicircular groove.
3. The load-bearing universal wheel for a vehicle frame of claim 1, wherein: the lock plate (2), the universal wheel upper bearing seat (1) and the column base (302) are all provided with screw holes (10), and the screw holes (10) of the lock plate, the universal wheel upper bearing seat and the column base are all provided with four screw holes (10) which are communicated with each other.
4. The load-bearing universal wheel for a vehicle frame of claim 1, wherein: the first bearing (4) comprises an upper bearing (401), a lower bearing (402) and balls (403), wherein the upper bearing (401) is positioned above the lower bearing (402), and the balls (403) are positioned in an annular gap formed by the upper bearing (401) and the lower bearing (402).
5. The load-bearing universal wheel for a vehicle frame of claim 1, wherein: and a second bearing (9) is arranged inside the directional wheel (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021883944.5U CN212949980U (en) | 2020-09-01 | 2020-09-01 | Load-bearing universal wheel for frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021883944.5U CN212949980U (en) | 2020-09-01 | 2020-09-01 | Load-bearing universal wheel for frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212949980U true CN212949980U (en) | 2021-04-13 |
Family
ID=75364777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021883944.5U Active CN212949980U (en) | 2020-09-01 | 2020-09-01 | Load-bearing universal wheel for frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212949980U (en) |
-
2020
- 2020-09-01 CN CN202021883944.5U patent/CN212949980U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |