CN209908991U

CN209908991U - Sliding assembly capable of sliding alternately on linear track and arc track

Info

Publication number: CN209908991U
Application number: CN201920737603.8U
Authority: CN
Inventors: 何志炜
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-01-07
Anticipated expiration: 2029-05-21

Abstract

The technology discloses a sliding component capable of sliding alternately on a linear track and an arc track, which comprises a sliding rail and a sliding block, wherein the sliding rail is an arc sliding rail or a sliding rail consisting of a linear section and an arc section, a bidirectional bearing is arranged on the end surface of the sliding block corresponding to the sliding rail, the bidirectional bearing comprises an inner ring, an outer ring and a first ball, the inner ring is sleeved in the outer ring, the first ball is arranged between the inner ring and the outer ring, an outward-protruding annular step structure is formed on the outer circumferential surface of the outer ring, an auxiliary pressing ring is arranged at the annular step, a plurality of second balls are arranged between the auxiliary pressing ring and the step plane of the annular step at intervals along the circumference, a plurality of third balls are arranged between the auxiliary pressing ring and the step vertical surface at intervals along the circumference, the cross section shape of the sliding rail is matched with a bidirectional gear, and an adjusting bearing is arranged on the outer, a spring is pressed between the inner end face of the sliding block and a main shaft of the adjusting bearing in a pressing mode, and the sliding assembly can bear radial and axial loads.

Description

Sliding assembly capable of sliding alternately on linear track and arc track

The technical field is as follows:

the utility model relates to a can be at gliding slip subassembly of straight line track and arc track alternation.

Background art:

it is known that the main function of a bearing is to support the rotating body of a machine and to reduce the friction coefficient during its movement. At present, some bearings on the market are radial bearings, some bearings are thrust bearings, the radial bearings bear pure radial loads, the thrust bearings bear pure axial loads, the bearings can only bear loads in a certain direction, and at present, no bidirectional bearing capable of bearing both radial forces and axial forces exists, so that the structures of a plurality of mechanical devices become complicated.

The utility model has the following contents:

the utility model aims at overcoming the shortcoming of above-mentioned prior art, provide a can be at the slip subassembly of straight line track and arc track alternation slip.

The utility model discloses a utility model purpose can realize through following technical scheme: a sliding component capable of sliding alternately on a linear track and an arc track comprises a sliding rail and a sliding block, wherein the sliding rail is an arc sliding rail or a sliding rail consisting of a linear section and an arc section, the sliding block wraps and clamps the sliding rail, a bidirectional bearing is installed on the end face, corresponding to the sliding rail, of the sliding block, the bidirectional bearing comprises an inner ring, an outer ring and a first ball, the inner ring is sleeved in the outer ring, the first ball is arranged between the inner ring and the outer ring, an outward-protruding annular step structure is formed on the outer circumferential surface of the outer ring, an auxiliary pressing ring is arranged at the annular step, a plurality of second balls are arranged between the auxiliary pressing ring and the step plane of the annular step at intervals along the circumference, a plurality of third balls are arranged between the auxiliary pressing ring and the step vertical face at intervals along the circumference, the cross section shape of the sliding rail is matched with a bidirectional gear, and an adjusting bearing is, and a spring is pressed between the inner end surface of the sliding block and the main shaft of the adjusting bearing.

An outer groove of the clearance-avoiding auxiliary pressing ring is formed on the outer side wall of the track of the sliding rail, and an inner groove of the clearance-avoiding outer ring is formed on the inner side wall.

The upper surface and the lower surface of the slide rail are both formed with rails, and the upper rail and the lower rail are both provided with bidirectional bearings.

The adjusting bearings are provided with two adjusting bearings which are connected on the same adjusting main shaft in a penetrating mode, and the spring is pressed on the main shaft section between the two adjusting bearings.

After adopting this technical scheme, compare with prior art, this technical scheme has following advantage: the sliding block in the sliding assembly can bear radial load and axial load, and can realize the transformation sliding between the linear track and the arc track, thereby improving the adaptability of the sliding block and simplifying the structure of a plurality of mechanical devices.

Description of the drawings:

FIG. 1 is a cross-sectional view of the slide assembly of the present invention;

FIG. 2 is a top view of the sliding assembly of the present invention;

figure 3 is a cross-sectional exploded view of the sliding assembly of the present invention.

The specific implementation mode is as follows:

the present technology is further described below with reference to the accompanying drawings.

The sliding assembly capable of sliding alternately on a linear track and an arc track of the embodiment comprises a sliding rail 1 and a sliding block 2, wherein the sliding rail 1 is an arc sliding rail or a sliding rail composed of a linear section 11 and an arc section 12, the sliding block 2 wraps and clamps the sliding rail 1, tracks 3 are formed on the upper surface and the lower surface of the sliding rail 1, two-way bearings 4 are mounted on the end surfaces, corresponding to the upper track 3 and the lower track 3 of the sliding rail 1, of the sliding block 2, each two-way bearing 4 comprises an inner ring 41, an outer ring 42 and a first ball 43, the inner ring 41 is sleeved in the outer ring 42, the first ball 43 is provided with a plurality of balls, the first ball 43 is arranged between the inner ring 41 and the outer ring 42, a convex annular step structure is formed on the outer circumferential surface of the outer ring 42, an auxiliary clamping ring 45 is arranged at the annular step 44, a plurality of second balls 46 are circumferentially arranged between the auxiliary clamping ring 45 and a step plane 441 of the annular step 44, a plurality of third, the section shape of the slide rail 3 is matched with that of the bidirectional bearing 4, an outer groove 48 of a clearance auxiliary pressing ring 45 is formed on the rail outer side wall 31 of the slide rail 1, an inner groove 49 of a clearance outer ring 42 is formed on the inner side wall 32, the outer end surface 6 of the slide rail 1 is provided with two adjusting bearings 5, the two adjusting bearings 5 are correspondingly formed on the slide rail outer end surface 6, two adjusting grooves 7 are correspondingly formed on the slide rail outer end surface 6, an adjusting bearing outer ring 51 is embedded in the adjusting grooves 7, the two adjusting bearings 5 are connected onto the same adjusting main shaft 8 in a penetrating mode, a spring 9 is pressed between the inner end surface of the slide block and an adjusting main shaft section 81 between the two adjusting bearings 5, and in order to position the spring 9, a spring positioning concave hole 10 is formed on the adjusting main shaft section 81 between the two adjusting bearings 5 towards one side of the.

The first and

third balls

43, 47 of the present technique act to carry radial loads, while the second ball 46 acts to carry axial loads, so that the present slider 2 can carry both radial and axial loads. And the adjusting bearing 5 utilizes the elastic pressing effect of the spring 9, so that the adjusting bearing 5 can adapt to the slide rails 1 with different radians, namely, when the slide block 2 is changed between the linear slide rail and the arc-shaped slide rail, the self-adaptation is completed by the adjusting bearing 5, and the slide block 2 can be changed and slid between the linear slide rail and the arc-shaped slide rail.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. The invention is not limited to the embodiments described herein, but is capable of other embodiments with obvious modifications and variations, including those shown in the drawings and described herein. Therefore, the equivalent changes made according to the shape, structure and principle of the present invention should be covered in the protection scope of the present invention.

Claims

1. The utility model provides a can be at gliding slip subassembly of linear orbit and arc track reversal, including slide rail and slider, the slide rail is arc slide rail or the slide rail of constituteing by straightway and segmental arc, and the slider package grips slide rail, its characterized in that: install two-way bearing on the slider corresponds orbital terminal surface of slide rail, two-way bearing is including inner circle, outer lane and first ball, and the inner circle cover is in the outer lane, and first ball is provided with many, and first ball sets up between inner circle and outer lane, its characterized in that: the outer circumference of the outer ring is formed with an outward-protruding annular step structure, an auxiliary pressing ring is arranged at the position of the annular step, a plurality of second balls are arranged between the auxiliary pressing ring and the step plane of the annular step at intervals along the circumference, a plurality of third balls are arranged between the auxiliary pressing ring and the step vertical plane at intervals along the circumference, the cross section shape of the slide rail is matched with that of the bidirectional gear, an adjusting bearing is arranged on the outer end face of the slide rail, and a spring is pressed between the inner end face of the slide block and a main shaft of the adjusting bearing.

2. A slide assembly as claimed in claim 1 wherein the slide assembly is adapted to alternately slide on a linear track and an arcuate track, and wherein: an outer groove of the clearance-avoiding auxiliary pressing ring is formed on the outer side wall of the track of the sliding rail, and an inner groove of the clearance-avoiding outer ring is formed on the inner side wall.

3. A sliding assembly according to claim 1 or 2, wherein the sliding assembly is adapted to alternately slide on a linear rail and an arcuate rail, and wherein: the upper surface and the lower surface of the slide rail are both formed with rails, and the upper rail and the lower rail are both provided with bidirectional bearings.

4. A slide assembly as claimed in claim 1 wherein the slide assembly is adapted to alternately slide on a linear track and an arcuate track, and wherein: the adjusting bearings are provided with two adjusting bearings which are connected on the same adjusting main shaft in a penetrating mode, and the spring is pressed on the main shaft section between the two adjusting bearings.