CN213676228U

CN213676228U - Roller wheel

Info

Publication number: CN213676228U
Application number: CN202022120254.0U
Authority: CN
Inventors: 柳云; 柳诗佳; 柳锐进
Original assignee: Chongqing Lianyuan Electromechanical Co ltd
Current assignee: Chongqing Lianyuan Electromechanical Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-07-13
Anticipated expiration: 2030-09-24

Abstract

The utility model provides a roller belongs to gyro wheel technical field. The roller solves the problems of high manufacturing cost, low processing efficiency and poor consistency of the existing roller. The roller comprises a left half wheel and a right half wheel coaxially arranged with the left half wheel, wherein a first bearing coaxial with the left half wheel is arranged in the left half wheel in a matched mode, a second bearing coaxial with the right half wheel is arranged in the right half wheel in a matched mode, the left half wheel and the right half wheel are limited between the first bearing and the second bearing, and a supporting and limiting assembly used for supporting and limiting the first bearing and the second bearing is arranged between the first bearing and the second bearing. The utility model discloses the uniformity is good, can not cause the waste of material man-hour, has practiced thrift the cost, has also improved machining efficiency simultaneously, satisfies light-duty orbital operation requirement, and application scope is wide.

Description

Roller wheel

Technical Field

The utility model belongs to the technical field of the gyro wheel, a gyro wheel is related to.

Background

Chinese patent discloses a planer-type is from automatic tent of taking up and unfolding [ application publication number is CN111152713A ], including the tarpaulin of taking up and unfolding mechanism and cover on taking up and unfolding mechanism of installation on the carriage, it drives by the riser that left and right sides symmetry set up to take up and unfold the mechanism, all be equipped with drive sprocket in the inboard of every riser, the drive sprocket on the left and right sides is driven by same power assembly, all set up driven sprocket in every drive sprocket's below, drive sprocket passes through the chain and is connected with the driven sprocket that corresponds, coaxial arrangement gyro wheel on driven sprocket's next door, the gyro wheel cooperates with the track roll, two pinch rollers around set up side by side in driven sprocket's below, up oppression is on the track down for these two pinch rollers.

The pinch roller is a roller wheel and is matched with the rail in a rolling way. The existing pinch roller is machined by a lathe, so that the machining cost is high, material waste is caused during machining, and the production cost is high; and the processing speed is slow, and the consistency is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a to current technique have above-mentioned problem, provide a gyro wheel with low costs.

The purpose of the utility model can be realized by the following technical proposal:

the gyro wheel, including half wheel on a left side and half wheel on the right side of half coaxial setting of wheel on a left side, half wheel on a left side fit in be equipped with half wheel on a left side coaxial bearing one, half wheel on the right side fit in be equipped with half wheel on the right side coaxial bearing two, half wheel on a left side and half wheel on the right side limited between bearing one and bearing two, bearing one and bearing two between be equipped with and be used for supporting bearing one and bearing two with spacing subassembly of spacing support.

In the roller, a first concave cavity is coaxially arranged at the left end of the left half wheel, a first through hole is coaxially arranged at the bottom of the first concave cavity, and a first bearing is arranged in the first concave cavity in a matched mode; the right end of the right half wheel is coaxially provided with a second concave cavity, the bottom of the second concave cavity is provided with a second through hole which is coaxially arranged, the second bearing is matched with the second concave cavity, and the supporting and limiting assembly is arranged in the first through hole and the second through hole in a penetrating mode.

In the roller, the supporting and limiting assembly comprises a screw coaxially arranged in the first bearing and the second bearing in a penetrating manner, a nut in threaded connection with the screw and an axial limiting structure arranged between the first bearing and the second bearing, and the first bearing and the second bearing are axially positioned between the head of the screw and the nut under the action of the axial limiting structure.

In the roller, the axial limiting structure comprises a bushing coaxially sleeved on the screw rod, the left end of the bushing abuts against the inner ring of the first bearing, and the right end of the bushing abuts against the inner ring of the second bearing.

In the roller, the axial limiting structure comprises a first annular extending part coaxially arranged on the inner ring of the first bearing and a second annular extending part coaxially arranged on the inner ring of the second bearing, and the right end of the first annular extending part abuts against the left end of the second annular extending part.

In the roller, a first extending ring extending leftwards and radially outwards is coaxially arranged at the left end of the left half wheel, a second extending ring extending rightwards and radially outwards is coaxially arranged at the right end of the right half wheel, the first extending ring and the second extending ring are symmetrically arranged, and a roller groove is formed between the first extending ring and the second extending ring.

Compared with the prior art, the roller has the following advantages:

the left half wheel and the right half wheel can be formed by punching, the consistency is good, the waste of materials can not be caused during processing, the cost is saved, the processing efficiency is improved, the use requirement of the light rail is met, and the application range is wide.

Drawings

Fig. 1 is a schematic structural view of the left half wheel provided by the present invention.

Fig. 2 is a schematic structural view of the right half wheel provided by the present invention.

Fig. 3 is a cross-sectional view of a first embodiment of the present invention.

Fig. 4 is a sectional view of a second embodiment of the present invention.

In the figure, 1, a left half wheel; 11. a first concave cavity; 12. a first through hole; 13. a first extension ring; 2. a right half wheel; 21. a second concave cavity; 22. a second through hole; 23. a second extension ring; 3. a first bearing; 31. a first annular extension part; 4. a second bearing; 41. a second annular extension part; 5. a screw; 51. a club head; 6. a nut; 7. a bushing; 8. and (4) a roller groove.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example one

The roller shown in fig. 3 comprises a left half wheel 1 and a right half wheel 2 coaxially arranged with the left half wheel 1, wherein the left half wheel 1 and the right half wheel 2 are identical in structure and are symmetrically arranged. As shown in figure 1, a cavity I11 is coaxially arranged at the left end of the left half wheel 1, a through hole I12 which is coaxially arranged is formed in the bottom of the cavity I11, a bearing I3 which is coaxially arranged with the left half wheel 1 is arranged in the cavity I11 in a matching mode, and as shown in figure 3, the outer diameter of the bearing I3 is equal to the inner diameter of the cavity I11. As shown in fig. 2, a second concave cavity 21 is coaxially arranged at the right end of the right half wheel 2, a second through hole 22 coaxially arranged is formed at the bottom of the second concave cavity 21, a second bearing 4 coaxially arranged with the right half wheel 2 is arranged in the second concave cavity 21 in a matching manner, and as shown in fig. 3, the outer diameter of the second bearing 4 is equal to the inner diameter of the second concave cavity 21. The first bearing 3 and the second bearing 4 are the same in size and are coaxially and symmetrically arranged. The left half wheel 1 and the right half wheel 2 are limited between a first bearing 3 and a second bearing 4, and a supporting and limiting assembly for supporting and limiting the first bearing 3 and the second bearing 4 is arranged between the first bearing 3 and the second bearing 4.

As shown in fig. 1, a first extension ring 13 extending leftward and radially outward is coaxially disposed at the left end of the left half wheel 1, as shown in fig. 2, a second extension ring 23 extending rightward and radially outward is coaxially disposed at the right end of the right half wheel 2, the first extension ring 13 and the second extension ring 23 are symmetrically disposed, and a roller groove 8 is formed between the first extension ring 13 and the second extension ring 23, so as to facilitate rolling engagement with various tracks. Wherein, the extension ring I13 and the left half wheel 1 are formed integrally, and the extension ring II 23 and the right half wheel 2 are formed integrally.

As shown in fig. 3, the supporting and limiting assembly includes a screw rod 5 coaxially inserted into the first bearing 3 and the second bearing 4, a nut 6 screwed onto the screw rod 5, and an axial limiting structure disposed between the first bearing 3 and the second bearing 4, wherein under the action of the axial limiting structure, the rod head 51 of the screw rod 5 abuts against the left end of the inner ring of the first bearing 3, and the nut 6 abuts against the right end of the inner ring of the second bearing 4.

As shown in fig. 3, the axial limiting structure includes a bushing 7 coaxially sleeved on the screw 5, the outer diameter of the bushing 7 is smaller than the outer diameter of the first through hole 12/the second through hole 22, the left end of the bushing 7 abuts against the inner ring of the first bearing 3, and the right end of the bushing 7 abuts against the inner ring of the second bearing 4. The length of the bush 7 is equal to or slightly greater than the distance from the bottom of the first cavity 11 to the bottom of the second cavity 21, i.e. the left half wheel 1 and the right half wheel 2 are arranged in an abutting mode or a small gap is formed between the left half wheel 1 and the right half wheel 2.

When the length of the bush 7 is equal to the distance from the bottom of the first cavity 11 to the bottom of the second cavity 21, the outer diameter of the inner ring of the first bearing 3 is smaller than that of the first through hole 12, and the outer diameter of the inner ring of the second bearing 4 is smaller than that of the second through hole 22. When the length of the bush 7 is slightly larger than the distance from the bottom of the first cavity 11 to the bottom of the second cavity 21, the outer diameter of the inner ring of the first bearing 3 is larger than or equal to that of the first through hole 12, and the outer diameter of the inner ring of the second bearing 4 is larger than or equal to that of the second through hole 22.

Example two

The structural principle of this embodiment is basically the same as that of the first embodiment, and the difference lies in that, as shown in fig. 4, the axial limiting structure includes a first circumferential extension portion 31 coaxially disposed on the inner ring of the first bearing 3 and a second circumferential extension portion 41 coaxially disposed on the inner ring of the second bearing 4, the outer diameter of the first circumferential extension portion 31 is smaller than the outer diameter of the first through hole 12, the outer diameter of the second circumferential extension portion 41 is smaller than the outer diameter of the second through hole 22, and the right end of the first circumferential extension portion 31 abuts against the left end of the second circumferential extension portion 41. The first annular extension part 31 is integrally formed with the inner ring of the first bearing 3, and the second annular extension part 41 is integrally formed with the inner ring of the second bearing 4.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a roller, its characterized in that, including left half wheel (1) and with left half wheel (1) coaxial setting right half wheel (2), left half wheel (1) fit in be equipped with left half wheel (1) coaxial bearing (3), right half wheel (2) fit in be equipped with right half wheel (2) coaxial bearing two (4), left half wheel (1) and right half wheel (2) spacing between bearing one (3) and bearing two (4), bearing one (3) and bearing two (4) between be equipped with and be used for supporting bearing one (3) and bearing two (4) with spacing support spacing subassembly.

2. The trolley according to claim 1, characterized in that a first cavity (11) is coaxially arranged at the left end of the left half-wheel (1), a first through hole (12) is coaxially arranged at the bottom of the first cavity, and the first bearing (3) is arranged in the first cavity in a matching way; the right-hand member of half wheel (2) on the right side is coaxial to be equipped with cavity two (21), the bottom of cavity two (21) has through-hole two (22) of coaxial setting, bearing two (4) cooperation locate in cavity two (21), the spacing subassembly of support wear to establish in through-hole one (12) and through-hole two (22).

3. The roller according to claim 2, wherein the supporting and limiting assembly comprises a screw rod (5) coaxially arranged in the first bearing (3) and the second bearing (4) in a penetrating manner, a nut (6) in threaded connection with the screw rod (5), and an axial limiting structure arranged between the first bearing (3) and the second bearing (4), and the first bearing (3) and the second bearing (4) are axially positioned between a rod head (51) of the screw rod (5) and the nut (6) under the action of the axial limiting structure.

4. The roller according to claim 3, wherein the axial limiting structure comprises a bushing (7) coaxially sleeved on the screw rod (5), the left end of the bushing (7) abuts against the inner ring of the first bearing (3), and the right end of the bushing (7) abuts against the inner ring of the second bearing (4).

5. The roller according to claim 3, wherein the axial limiting structure comprises a first annular extension part (31) coaxially arranged on the inner ring of the first bearing (3) and a second annular extension part (41) coaxially arranged on the inner ring of the second bearing (4), and the right end of the first annular extension part (31) abuts against the left end of the second annular extension part (41).

6. The rolling wheel according to any one of claims 1-5, wherein the left end of the left half wheel (1) is coaxially provided with a first extension ring (13) extending leftwards and radially outwards, the right end of the right half wheel (2) is coaxially provided with a second extension ring (23) extending rightwards and radially outwards, the first extension ring (13) and the second extension ring (23) are symmetrically arranged, and a wheel groove (8) is formed between the first extension ring (13) and the second extension ring (23).