CN218817939U

CN218817939U - Guide disc type bearing seat structure

Info

Publication number: CN218817939U
Application number: CN202223202857.0U
Authority: CN
Inventors: 黄立; 董佳; 常帅鹏; 罗志高; 张超; 张帆
Original assignee: Wuhan Guide Infrared Co Ltd
Current assignee: Wuhan Guide Infrared Co Ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-04-07
Anticipated expiration: 2032-11-30

Abstract

The utility model relates to a bearing frame technical field provides a direction disk bearing frame structure, including motion ring, disk bearing frame, can in pivoted change and being used for the restriction in the inner circle of disk bearing frame the spacing subassembly of motion ring pivoted, be equipped with the first screw thread of arranging along the direction of its rotation axis on the change, have on the motion ring with first threaded connection's second screw thread. The utility model adopts the cooperation of the disc bearing seat, the rotating ring and the moving ring to guide the movement of the associated parts, and meanwhile, because the disc bearing seat is of a disc structure, the required axial space is small, and the disc bearing seat is very suitable for occasions requiring small axial space; the air groove can realize air lubrication to reduce friction; and the gear ring is adopted, so that the gear ring is conveniently meshed with an external driving mechanism, and the external driving mechanism drives the gear ring to rotate.

Description

Guide disc type bearing seat structure

Technical Field

The utility model relates to a bearing frame technical field specifically is a guide disc bearing frame structure.

Background

In the fields of current technical equipment, precision machinery, speed reducers, optical instruments and meters and the like, most of bearing seat structures are cylindrical structures, and cannot play a role in moving and guiding associated parts. Meanwhile, the bearing seat is of a cylindrical structure, so that the axial occupied space is large, and the bearing seat is not suitable for occasions requiring small axial space and needing to provide other related parts for moving and guiding. In addition, the lubricating mode usually adopts a mode of internally filling lubricating oil or smearing lubricating grease on the bearing, and the lubricating mode needs maintenance and is troublesome.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a guide disc bearing frame structure can solve the partial defect among the prior art at least.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: a guide disc type bearing seat structure comprises a moving ring, a disc type bearing seat, a rotating ring capable of rotating in an inner ring of the disc type bearing seat and a limiting assembly used for limiting the rotation of the moving ring, wherein a first thread arranged along the direction of a rotation axis of the rotating ring is arranged on the rotating ring, a second thread in threaded connection with the first thread is arranged on the moving ring, and an air groove for allowing external air to enter the inner ring is formed in the disc type bearing seat.

Further, the swivel comprises an annular ring body and a convex edge arranged on the ring body, the convex direction of the convex edge is consistent with the direction of the rotation axis of the swivel, and the first thread is arranged on the convex edge.

Further, the ring body is a gear ring having teeth engageable with an external drive mechanism.

Furthermore, the limiting assembly comprises a guide groove arranged on the disc type bearing seat and a guide boss matched with the guide groove, and the guide boss is arranged on the moving ring.

Furthermore, the disc type bearing seat is provided with an installation position for installing an external driving mechanism, and the installation position is communicated with the inner ring.

Further, a bearing is arranged in the mounting position.

Further, the mounting position is located at one corner of the square disc bearing seat.

And the rotating ring is limited by a pressing block, and the pressing block is matched with a groove reserved in the disc type bearing seat in pair.

Furthermore, the pressing blocks and the grooves are at least two pairs and are uniformly distributed on the outer ring of the disc type bearing seat.

Further, the moving ring and the disc type bearing seat are provided with a plurality of threaded holes.

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

1. the cooperation of the disc bearing seat, the rotating ring and the moving ring can guide the movement of the associated parts, and meanwhile, the disc bearing seat is of a disc structure, so that the required axial space is small, and the disc bearing seat is very suitable for occasions requiring small axial space.

2. Air lubrication can be realized by adopting the air grooves to reduce friction.

3. And the gear ring is adopted, so that the gear ring is conveniently meshed with an external driving mechanism, and the external driving mechanism drives the gear ring to rotate.

Drawings

Fig. 1 is an exploded view of a guide disc type bearing seat structure according to an embodiment of the present invention;

fig. 2 is a schematic view of a top view of a guide disc type bearing seat structure according to an embodiment of the present invention;

FIG. 3 is a vertical cross-sectional view of FIG. 2;

fig. 4 is a schematic view of a disc bearing seat of a guide disc bearing seat structure according to an embodiment of the present invention;

in the reference symbols: 1-a disc bearing seat; 10-air slot; 11-a guide groove; 12-a mounting location; 13-a groove; 2-rotating; 20-ring body; 21-convex edge; 3-a kinematic ring; 30-a guide boss; 4-a bearing; and 5-briquetting.

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 efforts belong to the protection scope of the present invention.

Referring to fig. 1, 2, 3 and 4, an embodiment of the present invention provides a guide disc type bearing seat structure, including a moving ring 3, a disc type bearing seat 1 and a rotating ring 2 capable of rotating in an inner ring of the disc type bearing seat 1, wherein the rotating ring 2 is provided with a first thread arranged along a direction of a rotation axis thereof, and the moving ring 3 is provided with a second thread in threaded connection with the first thread; the bearing block structure further comprises a limiting assembly for limiting the rotation of the moving ring 3. In this embodiment, the disc bearing seat 1, the rotating ring 2 and the moving ring 3 are used in cooperation to guide the movement of the associated components, and the disc bearing seat has a small axial space and is very suitable for occasions requiring a small axial space. In particular, the moving ring 3 and the rotating ring 2 can be installed in the inner ring of the disc bearing seat 1, so that the whole structure is very compact and does not occupy axial space. Through the rotation of the rotating ring 2, and the moving ring 3 is in threaded connection with the rotating ring 2, when the rotation of the moving ring 3 is limited, the moving ring 3 can be linearly displaced along the arrangement direction of the threads, and when the arrangement direction of the first threads and the second threads is limited, the moving direction of the moving ring 3 can be controlled. The guide disc type bearing seat structure is suitable for a scene that a product to be driven is axially telescopic.

As an optimization scheme of the embodiment of the present invention, please refer to fig. 1, fig. 2, fig. 3 and fig. 4, the disc bearing seat 1 is provided with an air groove 10 for external air to enter the inner ring. In this embodiment, the air groove 10 is designed to allow air to enter the inner ring, and the air can be used as a lubricant when the rotating ring 2 rotates, so that the air bearing is simpler and more convenient without maintenance than the conventional manner of filling lubricating oil inside or applying grease to the bearing 4. The air slot 10 may be formed by a recess on the wall of the inner ring, and penetrates through the edge, so as to facilitate the entry of external air.

As an optimization scheme of the embodiment of the present invention, please refer to fig. 1, fig. 2, fig. 3 and fig. 4, the swivel 2 includes an annular ring body 20 and a protruding edge 21 disposed on the ring body 20, a protruding direction of the protruding edge 21 is consistent with a direction of a rotation axis of the swivel 2, and the first thread is disposed on the protruding edge 21. In this embodiment, the above-mentioned rotating ring 2 is refined, and a thread may be provided on the protruding ledge 21, and the protruding length of the ledge 21 may be selected according to the actual situation, so as to control the stroke length of the moving ring 3.

To further optimize the above solution, referring to fig. 1, 2, 3 and 4, the ring body 20 is a ring gear having teeth engageable with an external drive mechanism. In this embodiment, the gear ring is used to facilitate engagement with an external drive mechanism, which drives rotation. Of course, besides the rotation manner, other forms capable of rotating the rotating ring 2 are possible, and the present embodiment is not limited thereto.

As an optimization scheme of the embodiment of the present invention, please refer to fig. 1, fig. 2, fig. 3 and fig. 4, the limiting component includes a guide groove 11 disposed on the disc bearing seat 1 and a guide boss 30 matched with the guide groove 11, and the guide boss 30 is disposed on the moving ring 3. In this embodiment, the limiting manner is the guide groove 11 and the guide boss 30, and the guide boss 30 can be inserted into the guide groove 11 and slide in the guide groove 11, so as to play a role in guiding and also play a role in limiting the rotation of the moving ring 3. Preferably, the guide boss 30 is in the form of a semi-cylindrical structure.

As an optimization scheme of the embodiment of the present invention, please refer to fig. 1, fig. 2, fig. 3 and fig. 4, an installation position 12 for installing an external driving mechanism is provided on the disc bearing seat 1, and the installation position 12 is communicated with the inner ring. The mounting position 12 is provided with a bearing 4. The mounting location 12 is located at one of the corners of the square disc bearing housing 1. In this embodiment, the disc bearing seat 1 may be square in shape, and the center thereof is provided with a circular hole to form an inner ring, and there is a space on the edge thereof to design other structural forms, for example, the mounting position 12 is designed for the bearing 4 to be mounted, and the mounting position 12 may be a circular groove.

As an optimization scheme of the embodiment of the present invention, please refer to fig. 1, fig. 2, fig. 3, and fig. 4, further including a pressing block 5 for limiting the swivel 2, wherein the pressing block 5 is paired with a groove 13 reserved in the disc bearing seat 1. At least two pairs of pressing blocks 5 and grooves 13 are uniformly distributed on the outer ring of the disc type bearing seat 1. In this embodiment, in order to avoid the rotation position of the rotating ring 2 from being restricted, the pressing blocks 5 may be used to abut against the rotating ring 2 and limit the rotating ring 2, and the two pressing blocks 5 are disposed opposite to each other and limit the rotating ring 2 therebetween. The number of the pressing blocks 5 can be selected according to actual conditions, and the embodiment does not limit the number. The groove 13 for installing the pressing block 5 is also designed on the edge of the square disc type bearing seat 1, and the shape of the groove is matched with the shape of the pressing block 5, for example, the groove 13 can also be designed into a square groove if the square pressing block 5 is adopted in the embodiment. When the disc bearing seat 1 is square, and when there are two pressing blocks 5, the two pressing blocks 5 are arranged at an oblique diagonal position of the square disc bearing seat 1.

As an optimization scheme of the embodiment of the present invention, please refer to fig. 1, fig. 2, fig. 3 and fig. 4, the moving ring 3 and the disc bearing seat 1 are all provided with a plurality of threaded holes, so as to facilitate the installation of the external driving mechanism and the product to be driven, and facilitate the installation of the disc bearing seat 1 on other components.

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. The utility model provides a direction disk bearing frame structure which characterized in that: the device comprises a moving ring, a disc type bearing seat, a rotating ring capable of rotating in an inner ring of the disc type bearing seat and a limiting assembly for limiting the rotation of the moving ring, wherein the rotating ring is provided with first threads arranged along the direction of the rotation axis of the rotating ring, and the moving ring is provided with second threads in threaded connection with the first threads; the disc type bearing seat is provided with an air groove for allowing external air to enter the inner ring.

2. A pilot disc bearing housing construction according to claim 1 wherein: the rotating ring comprises an annular ring body and a convex edge arranged on the ring body, the convex edge is consistent with the rotating axis of the rotating ring in the convex direction, and the first thread is arranged on the convex edge.

3. A pilot disc type bearing housing structure according to claim 2, wherein: the ring body is a gear ring having teeth engageable with an external drive mechanism.

4. A pilot disc bearing housing construction according to claim 1 wherein: the limiting assembly comprises a guide groove formed in the disc type bearing seat and a guide boss matched with the guide groove, and the guide boss is arranged on the moving ring.

5. A pilot disc type bearing housing structure according to claim 1, wherein: and the disc type bearing seat is provided with an installation position for installing an external driving mechanism, and the installation position is communicated with the inner ring.

6. A pilot disc type bearing housing structure according to claim 5, wherein: and a bearing is arranged in the mounting position.

7. A pilot disc type bearing housing structure according to claim 5, wherein: the mounting position is located at one corner of the square disc type bearing seat.

8. A pilot disc bearing housing construction according to claim 1 wherein: the rotary ring limiting device is characterized by further comprising a pressing block used for limiting the rotary ring, and the pressing block is matched with a groove reserved in the disc type bearing seat in pair.

9. A pilot disc bearing housing construction according to claim 8 wherein: the pressing blocks and the grooves are at least two pairs and are uniformly distributed on the outer ring of the disc type bearing seat.

10. A pilot disc type bearing housing structure according to claim 1, wherein: the moving ring and the disc type bearing seat are provided with a plurality of threaded holes.