CN218760943U

CN218760943U - Linear bearing assembly

Info

Publication number: CN218760943U
Application number: CN202223271086.0U
Authority: CN
Inventors: 杨珍珠
Original assignee: Shanghai C&U Group Co Ltd; C&U Co Ltd
Current assignee: Shanghai C&u Double Row Bearing Co ltd; Shanghai C&U Group Co Ltd; C&U Co Ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-03-28
Anticipated expiration: 2032-12-06

Abstract

The utility model discloses a straight line bearing subassembly, include the holder, along the pocket hole of holder circumference equipartition, install the steel ball in the pocket hole, the pocket hole sets up along a plurality of ranges of holder axial, the pocket hole all is equipped with the turn-ups that prevents that the steel ball from deviating from the holder at the opening part of holder external diameter face on with the internal diameter face, the turn-ups is the spherical cambered surface with the contact surface of steel ball. The assembly is simple in structure, light and thin in whole, and meets the requirement of structural layout when space is limited in a small device.

Description

Linear bearing assembly

Technical Field

The utility model relates to a linear bearing subassembly.

Background

For some small-sized detection devices, some positions need to realize linear reciprocating motion, and the linear bearing is usually installed to realize the linear reciprocating motion, but the internal space of the linear bearing is limited, and the linear bearing is required to be light and thin in structure, which is different from the conventional linear bearing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a not enough to prior art exists, the utility model aims to provide a linear bearing subassembly sets up it into the subassembly form of holder and steel ball, satisfies frivolous requirement.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a linear bearing subassembly, includes the holder, along the pocket hole of holder circumference equipartition, installs the steel ball in the pocket hole, the pocket hole sets up along a plurality of ranges of holder axial, the pocket hole all is equipped with the turn-ups that prevents the steel ball and deviate from the holder at the opening part on holder external diameter face and the internal diameter face, the turn-ups is spherical cambered surface with the contact surface of steel ball.

As a further improvement, the pocket hole all is equipped with a plurality of turn-ups, a plurality of at the opening part on holder outer diameter face and the internal diameter face turn over along open-ended circumference equipartition, adjacent the turn-ups between be equipped with the interval.

As a further improvement, the pocket hole is equipped with two turn-ups at the opening part on holder outer diameter face and the internal diameter face, turn-ups on the internal diameter face and the turn-ups on the outer diameter face are 90 degrees staggered arrangements.

As a further improvement of the utility model, a guide inclined plane is arranged on the flanging.

As a further improvement, the oil storage tank is arranged on the flanging, and is arranged on the spherical cambered surface.

The utility model has the advantages that: simple structure, whole frivolous satisfies the structural configuration when space is limited in the small-size device.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic sectional view of the present invention.

Reference numerals: 1. a cage; 2. a pocket hole; 3. flanging; 31. a spherical arc surface; 311. an oil storage tank; 32. a guide slope; 4. and (5) steel balls.

Detailed Description

The present invention will be described in further detail with reference to embodiments shown in the drawings.

Referring to fig. 1-2, a linear bearing assembly includes a retainer 1, pockets 2 uniformly distributed along the circumference of the retainer 1, and steel balls 4 installed in the pockets 2, wherein the retainer 1 is made of a stainless steel plate by stamping, and has a high strength relative to a carbon steel plate with the same thickness, the pockets 2 are arranged in a plurality of axial rows along the retainer 1, in this embodiment, the pockets 2 are arranged at equal intervals, in other embodiments, the density of the pockets 2 can be adjusted, and the bearing shaft sections with a large bearing capacity are arranged densely, the pockets 2 are provided with flanges 3 at the openings of the outer diameter surface and the inner diameter surface of the retainer 1 to prevent the steel balls 4 from dropping off the retainer 1, the contact surfaces of the flanges 3 and the steel balls 4 are spherical cambered surfaces 31, and the spherical cambered surfaces 31 are used for matching the steel balls 4 to rotate.

Opening part of pocket hole 2 on 1 external diameter face of holder and internal diameter face all is equipped with a plurality of turn-ups 3, and is a plurality of turn-ups 3 along open-ended circumference equipartition, and is adjacent turn-ups 3 between be equipped with the interval, in this embodiment, the opening part of pocket hole 2 on 1 external diameter face of holder and internal diameter face all is equipped with two turn-ups 3, and two turn-ups 3 of same department are 180 degrees mirror image settings, and the turn-ups 3 of two departments are 90 degrees staggered arrangement, set up the processing that makes things convenient for turn-ups 3 like this, provide good centre gripping for steel ball 4, for the installation of making things convenient for steel ball 4, be equipped with direction inclined plane 32 on the turn-ups 3, be equipped with oil storage tank 311 on the spherical cambered surface 31 of turn-ups 3, this oil storage tank 311 is a style of calligraphy, and this oil storage tank 311 intussuseption is filled with the gelatinous lubricating grease of oil, and this grease is lubricated through rolling element work intensification.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a linear bearing subassembly which characterized in that, includes the holder, along the pocket hole of holder circumference equipartition, installs the steel ball in the pocket hole, the pocket hole sets up along a plurality of ranges of holder axial, the pocket hole all is equipped with the turn-ups that prevents the steel ball and deviate from the holder at the opening part on holder external diameter face and the internal diameter face, the turn-ups is the spherical cambered surface with the contact surface of steel ball.

2. The linear bearing assembly according to claim 1, wherein the pocket has a plurality of flanges at openings on both the outer and inner diameter surfaces of the cage, the plurality of flanges being spaced circumferentially about the openings, and a space being provided between adjacent flanges.

3. The linear bearing assembly according to claim 2, wherein the pocket has two flanges at the openings of the outer and inner diameter surfaces of the cage, the flanges on the inner diameter surface being staggered by 90 degrees from the flanges on the outer diameter surface.

4. The linear bearing assembly of claim 3 wherein said flange is provided with a guide ramp.

5. The linear bearing assembly of claim 3 or 4, wherein the flange is provided with an oil reservoir, the oil reservoir being provided on a spherical arc.