CN220470470U - High roller assembly of stability - Google Patents

Abstract

A roller assembly with high stability comprises an outer seat body, an inner seat body and a plurality of roller units rotatably arranged on the inner seat body. The inner seat body comprises two limit frame assemblies and two second rotating shafts. Each roller unit comprises two bearings and a roller body. And a nylon gasket is arranged between the bearing and the limiting frame assembly. And two ends of the roller main body are respectively propped against one limiting frame assembly. And an opening check ring is respectively arranged between the second rotating shaft and the limiting frame assembly and between the first rotating shaft and the outer seat body. Compared with the prior art, the high roller assembly of this stability is through setting up interior pedestal, interior pedestal includes the spacing frame subassembly that two intervals set up, the both ends of roller unit respectively with one spacing frame subassembly supports the top, avoids the displacement too big to lead to dislocation influence precision between the adjacent roller unit.

Description

High roller assembly of stability

Technical Field

The utility model belongs to the technical field of pulleys, and particularly relates to a roller assembly with high stability.

Background

The pulley assembly is a common mechanical assembly, and is used for saving effort and changing the direction of force, when the pulley assembly is used, the pulley assembly is inevitably required to be used in environments with higher frequency vibration or larger amplitude vibration, at the moment, the pulleys in the pulley assembly are easy to relatively move due to vibration, the distance between the pulleys is changed or dislocation is generated between the pulleys, stability and precision of pulley transmission are further affected, the precision of produced products is not high enough, meanwhile, the strength of the pulley assembly is low, and the internal structure of the pulley assembly is easy to move or even break due to external impact force.

Disclosure of Invention

In view of the above, the present utility model provides a roller assembly with high stability to solve the above problems.

A high-stability roller assembly comprises an outer seat body, an inner seat body fixedly arranged in the outer seat body and a plurality of roller units rotatably arranged on the inner seat body. Two first rotating shafts are arranged between the inner walls of the outer seat body. The inner seat body is sleeved outside the two first rotating shafts. The inner seat body comprises two spacing frame assemblies arranged at intervals and a second rotating shaft inserted between the two spacing frame assemblies. Each roller unit comprises two bearings arranged at intervals and a roller body sleeved on the two bearings. The bearing is sleeved outside the second rotating shaft, and a nylon gasket is arranged between the bearing and the limiting frame assembly. And an opening check ring is respectively arranged between the second rotating shaft and the limiting frame assembly and between the first rotating shaft and the outer seat body so as to buffer vibration.

Further, the outer base comprises a base and a U-shaped fixing piece arranged on the base, and the first rotating shaft is respectively inserted between the base and the fixing piece.

Further, the spacing frame subassembly includes two montants that are parallel to each other, and two settings are in between the montant and the horizontal pole that is parallel to each other, the montant with two be convenient for have been seted up respectively on the horizontal pole the second pivot opening that the second pivot passed through, every have been seted up respectively on the horizontal pole the first pivot opening that is convenient for first pivot to pass through, two montant and two the horizontal pole head and the tail are connected in proper order in order to form a rectangle spacing frame subassembly.

Further, two mounting plates are arranged on the base respectively, two ends of the fixing plate are respectively abutted to the mounting plates, a plurality of cross-shaped pan head combination screws are arranged between the mounting edge and the fixing plate, and the fixing plate is fixedly connected with two ends of the mounting plate through the cross-shaped pan head combination screws.

Further, the first rotating shaft is inserted in the middle section of the cross rod, and the second rotating shafts are symmetrically inserted in the two ends of the cross rod respectively.

Further, the distance between the two second rotating shaft openings on the cross rod is 50mm, and the distance between the two second rotating shaft openings on the vertical rod is 35mm.

Further, the length of the roller is 20mm, and the end face diameter of the bearing is 13mm.

Compared with the prior art, the high-stability roller assembly provided by the utility model has the advantages that the roller units are surrounded by the inner seat body and the outer seat body through the outer seat body and the inner seat body and are arranged on the inner seat body, so that the protective force of the roller units is improved, the roller units are not easy to be impacted by external objects directly, the inner seat body comprises two spacing frame assemblies arranged at intervals, and four second rotating shafts arranged between the spacing frame assemblies, each roller unit is respectively sleeved outside one second rotating shaft, and the two ends of each roller unit are respectively propped against one spacing frame assembly, so that the displacement of each roller unit is limited by the spacing frame assemblies, and the dislocation influence precision between adjacent roller units caused by overlarge displacement is avoided. The gyro wheel unit includes a gyro wheel main part, and two settings are in bearing in the gyro wheel main part, and set up the bearing with nylon packing ring between the spacing frame subassembly, the second pivot with be provided with the opening separation blade between the spacing frame subassembly, the opening separation blade is alleviated respectively outer pedestal with the vibration of interior pedestal, nylon packing ring can avoid the gyro wheel unit is direct with spacing frame subassembly vibration contact to can alleviate external vibration to the influence of gyro wheel unit's precision.

Drawings

Fig. 1 is a schematic structural diagram of a roller assembly with high stability according to the present utility model.

Fig. 2 is an exploded view of the high stability roller assembly of fig. 1.

FIG. 3 is an exploded view of a partial structure of an inner housing of the high stability roller assembly of FIG. 1

Detailed Description

Specific embodiments of the present utility model are described in further detail below. It should be understood that the description herein of the embodiments of the utility model is not intended to limit the scope of the utility model.

Fig. 1 to 3 are schematic structural diagrams of a roller assembly with high stability according to the present utility model. The roller assembly with high stability comprises an outer housing 10, an inner housing 20 arranged in the outer housing 10, and four roller units 30 rotatably arranged on the inner housing 20. The roller assembly with high stability further includes other functional modules, such as a connection portion provided on the outer housing for facilitating a fixed connection with an external device, which should be known to those skilled in the art, and will not be described in detail herein.

The split ring 40 described below is an elastic washer, and is capable of damping vibration.

The outer base 10 comprises a base 11, mounting plates 12 respectively arranged at two ends of the base 11, a fixing plate 13 arranged on the base 11 and two ends of the fixing plate 13 respectively abutted against the mounting plates 12, a plurality of cross pan head combined screws 14 arranged between the fixing plate 13 and the mounting plates 12, and two first rotating shafts 15 inserted between the base 11 and the fixing plate 13. The mounting plate 12 is in a U shape, a plane parallel to the base 11 is arranged on the mounting plate 12, and the first rotating shafts 15 are inserted on the plane, so that the two first rotating shafts 15 are parallel to each other and have equal lengths. A split washer 40 is provided between the first rotating shaft 15 and the fixing piece 13 so that a part of vibration can be buffered. Two cross pan head combination screws 14 are arranged at one end of the mounting sheet, so that the firmness of mounting between the mounting sheet 12 and the base 11 is ensured.

The inner base 20 includes two spacing frame assemblies 21 disposed at two sides of the roller unit 30 at intervals, second rotating shafts 22 respectively inserted between the two spacing frame assemblies 21 and used for fixing the two spacing frame assemblies 21,

the split ring 40 is disposed between the first rotating shaft 15 and the fixing piece 13, and the split ring 40 is also disposed between the second rotating shaft 22 and the limiting frame assembly 21, so that vibration of the outer seat body 10 and the inner seat body 20 will squeeze the split ring 40, thereby absorbing the vibration to achieve a damping effect.

The limiting frame assembly 21 comprises two cross bars 211 arranged in parallel with each other, and two vertical bars 212 arranged between the cross bars 211. The cross bar 211 and the vertical bar 212 are connected in a tail-end manner to form a rectangle. The second rotating shafts 22 are respectively disposed at both ends of the cross bar 211. The first rotating shaft 15 is disposed at the middle of the cross bar 211, so that the second rotating shaft 22 is symmetrically disposed at both ends of the cross bar 211 along the first rotating shaft 15, respectively.

The interval between the two second rotating shafts 22 on the horizontal bar 211 is 50mm, and the interval between the two second rotating shafts 22 on the vertical bar 212 is 35mm.

Each roller unit 30 includes two bearings 31 disposed at intervals and sleeved on the second rotating shaft 22, a roller body 32 sleeved on the two bearings 31, and a nylon spacer 33 disposed between each roller body 32 and the limiting frame assembly. The two limiting frame assemblies are respectively arranged at two ends of the roller body 32, so that the roller body 32 is limited to move along the axis of the second rotating shaft 22. The bearing 31 and the damper Long Dianpian 33 serve to dampen vibration while reducing wear of the roller body 32. The diameter of the end face of the roller body 32 is 26mm, and the length of the roller body 32 is 20mm.

Compared with the prior art, the roller assembly with high stability provided by the utility model has the advantages that the roller units 30 are arranged on the inner seat body 20 through the outer seat body 10 and the inner seat body 20, so that the roller units 30 are surrounded by the inner seat body 20 and the outer seat body 10, the protection force of the roller units 30 is improved, the roller units 30 are not easy to be impacted by external objects, the inner seat body 20 comprises the two spacing frame assemblies 21 arranged at intervals, and the four second rotating shafts 22 arranged between the spacing frame assemblies 21, each roller unit 30 is respectively sleeved outside one second rotating shaft 22, and the two ends of each roller unit 30 are respectively propped against one spacing frame assembly 21, so that the displacement of each roller unit 30 is limited by the spacing frame assembly 21, and the influence on precision caused by dislocation between adjacent roller units 30 due to overlarge displacement is avoided. The roller unit 30 comprises a roller main body 32, two bearings 31 arranged in the roller main body 32, and a nylon washer 33 arranged between the bearings 31 and the limiting frame assembly 21, an opening baffle 40 is arranged between the second rotating shaft 22 and the limiting frame assembly 21, the opening baffle 40 respectively relieves the vibration of the outer seat body 10 and the inner seat body 20, and the nylon washer 33 can prevent the roller unit 30 from directly contacting with the limiting frame assembly 21 in a vibration manner, so that the influence of external vibration on the precision of the roller unit 30 can be relieved.

The above is only a preferred embodiment of the present utility model and is not intended to limit the scope of the present utility model, and any modifications, equivalent substitutions or improvements within the spirit of the present utility model are intended to be covered by the claims of the present utility model.

Claims (7)

1. High roller assembly of stability, its characterized in that: the high-stability roller assembly comprises an outer seat body, an inner seat body fixedly arranged in the outer seat body and a plurality of roller units rotatably arranged on the inner seat body, wherein two first rotating shafts are arranged between the inner walls of the outer seat body, the inner seat body is sleeved outside the two first rotating shafts, the inner seat body comprises two spacing frame assemblies arranged at intervals and a second rotating shaft inserted between the two spacing frame assemblies, each roller unit comprises two bearings arranged at intervals and a roller body sleeved on the two bearings, the bearings are sleeved outside the second rotating shaft, nylon gaskets are arranged between the bearings and the spacing frame assemblies, two ends of the roller body are respectively propped against one spacing frame assembly, so that the displacement of the roller body in the extending direction along the second rotating shaft is limited by the spacing frame assemblies, the second rotating shaft is matched with the spacing frame assemblies, and the roller body is sleeved with a baffle ring arranged between the first rotating shaft and the first rotating shaft to buffer the roller body and the vibration seat body.

2. The high stability roller assembly of claim 1, wherein: the outer seat body comprises a base and a U-shaped fixing piece arranged on the base, and the first rotating shaft is respectively inserted between the base and the fixing piece.

3. The high stability roller assembly of claim 1, wherein: the limiting frame assembly comprises two vertical rods which are arranged in parallel, two cross rods which are arranged between the vertical rods and are arranged in parallel, two second rotating shaft openings which are convenient for the second rotating shafts to pass through are respectively formed in the vertical rods and the cross rods, a first rotating shaft opening which is convenient for the first rotating shafts to pass through is respectively formed in each cross rod, and the two vertical rods and the two cross rods are connected end to end in sequence to form a rectangular limiting frame assembly.

4. The high stability roller assembly of claim 2, wherein: the base is respectively provided with two mounting plates, two ends of the fixing plate are respectively abutted to the mounting plates, a plurality of cross pan head combination screws are arranged between the mounting plates and the fixing plate, and the fixing plate is fixedly connected with two ends of the mounting plate through the cross pan head combination screws.

5. The high stability roller assembly of claim 3, wherein: the first rotating shaft is inserted in the middle section of the cross rod, and the second rotating shafts are symmetrically inserted in the two ends of the cross rod respectively.

6. The high stability roller assembly of claim 5, wherein: the distance between the two second rotating shaft openings on the cross rod is 50mm, and the distance between the two second rotating shaft openings on the vertical rod is 35mm.

7. The high stability roller assembly of claim 1, wherein: the length of the roller is 20mm, and the diameter of the end face of the bearing is 13mm.