CN218093901U

CN218093901U - Single-phase linear bearing

Info

Publication number: CN218093901U
Application number: CN202222645024.5U
Authority: CN
Inventors: 张泽端; 张保军
Original assignee: Yixian Caitaici New Energy Technology Institute
Current assignee: Yixian Caitaici New Energy Technology Institute
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2022-12-20
Anticipated expiration: 2032-10-09

Abstract

The utility model discloses a single linear bearing, including optical axis and axle skin, evenly set up the parallel first spout of the axial direction of several and optical axis on the surface of optical axis, the axle skin is cylindric, seted up on the inner wall of axle skin with first spout complex second spout, be provided with the several ball between first spout and the second spout, the axle skin passes through ball slidable and sets up on the surface of optical axis. The utility model discloses the single linear bearing has carried out the restriction to the cross-section for the circular shape epaxial sliding bearing's of optical circumference direction for current cross-section only can carry out endwise slip for the optical axis for circular shape epaxial sliding shaft, can not carry out circumferential direction, only adopts an optical axis to realize rectilinear sliding, has effectively solved and often need sliding part to carry out rectilinear sliding's problem through the bearing simultaneously with two optical axis cooperations among the prior art.

Description

Single-phase linear bearing

Technical Field

The utility model relates to a linear bearing field especially relates to a single linear bearing.

Background

The linear bearing is a rolling or sliding bearing for linear motion, has the characteristics of small friction, reliable structure, strong bearing capacity, high long-distance running precision, long service life and the like, and is often applied to various industrial mechanical equipment such as machine tools, punching machines, printers and the like. However, the conventional sliding bearing on the optical axis with the circular cross section generally does not limit the circumferential direction of the bearing, so that the conventional sliding bearing on the optical axis with the circular cross section can axially slide and circumferentially rotate relative to the optical axis, and the service environment of the bearing is limited. In the prior art, the sliding part is often required to be matched with two optical axes through a bearing to perform linear sliding, so that inconvenience is brought to the use process. Therefore, how to develop a single-phase linear bearing becomes a problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a single linear bearing solves current cross-section and does not restrict the circumference direction of bearing for circular shape on-axis slide bearing generally for the circular shape on-axis sliding shaft can carry out endwise slip for the optical axis, can carry out circumferential direction again for circular shape on-axis sliding shaft, leads to the limited problem of service environment of bearing.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model relates to a single linear bearing, including optical axis and axle skin, evenly set up the parallel first spout of the axial direction of several and optical axis on the surface of optical axis, the axle skin is cylindric, seted up on the inner wall of axle skin with first spout complex second spout, be provided with the several ball between first spout and the second spout, the axle skin passes through ball slidable and sets up on the surface of optical axis.

Furthermore, both ends all are provided with the axle skin closing cap about the axle skin, the medial surface of axle skin closing cap with the cooperation of the last second spout of axle skin, the central point of axle skin closing cap put seted up with optical axis complex through-hole.

Further, the shaft cover covers are detachably mounted at two ends of the shaft cover through bolts.

Further, optical axis supports are arranged at two ends of the optical axis.

Furthermore, the first sliding groove and the second sliding groove are both semicircular grooves matched with the balls.

Furthermore, the number of the first sliding grooves and the number of the second sliding grooves are 8.

Furthermore, the bottom welding of optical axis support has the connection lower margin, be provided with the through-hole that is used for installing rag bolt on the connection lower margin.

Compared with the prior art, the utility model discloses a beneficial technological effect:

the utility model discloses single linear bearing has carried out the restriction to the cross-section for the circular shape smooth epaxial slide bearing's circumference direction for current cross-section can only carry out endwise slip for the optical axis for circular shape smooth epaxial sliding shaft, can not carry out circumferential direction, only adopts an optical axis can realize rectilinear sliding, has effectively solved often needs sliding part to pass through the bearing simultaneously and can carry out rectilinear sliding's problem with two optical axis cooperations among the prior art. The utility model discloses single linear bearing, simple structure, the function is practical, can reduce linear slider's optical axis quantity, possess more extensive application range.

Drawings

The invention will be further described with reference to the following description of the drawings:

FIG. 1 is a front view of a single-phase linear bearing according to the present invention;

fig. 2 is an optical axis elevation view;

FIG. 3 isbase:Sub>A cross-sectional view A-A of FIG. 1;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2;

FIG. 5 is a cross-sectional view of the hub;

fig. 6 is a left side view of the hub cap.

Description of the reference numerals: 1. an optical axis support; 2. an optical axis; 3. a shaft skin; 4. a shaft cover sealing cover; 5. a first chute; 6. a second chute; 7. a ball bearing; 8. a bolt; 9. and a through hole.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. It should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 6, a single-phase linear bearing includes an optical axis 2, a hub 3, and balls 7.

8 first chutes 5 parallel to the axial direction of the optical axis 2 are uniformly arranged on the outer surface of the optical axis 2.

The shaft skin 3 is cylindrical, and a second sliding groove 6 matched with the first sliding groove 5 is formed in the inner wall of the shaft skin 3. The number of the second chutes 6 is also 8.

A plurality of balls 7 are arranged between the first sliding groove 5 and the second sliding groove 6, and the first sliding groove 5 and the second sliding groove 6 are both semicircular grooves matched with the balls 7.

The hub 3 is slidably disposed on the outer surface of the optical axis 2 via balls 7. The application of the balls 7 can effectively reduce the friction between the shaft housing 3 and the optical axis 2.

Both ends all are provided with axle skin closing cap 4 about axle skin 3, the medial surface of axle skin closing cap 4 with second spout 6 cooperation on the axle skin 3 prevents that ball 7 from rolling out from the both ends of axle skin 4, the central point of axle skin closing cap 4 put seted up with 2 complex through-holes 9 of optical axis.

The shaft cover 4 is detachably arranged at two ends of the shaft cover 3 through bolts 8. Maintenance of the interior of the bearing 3 and the balls 7 is facilitated.

The optical axis holder 1 is provided at both ends of the optical axis 3. The bottom welding of optical axis support 1 has the connection lower margin, be provided with the through-hole that is used for installing rag bolt on the connection lower margin.

The optical axis 1 is fixedly connected to other equipment through an optical axis support 1, and a sliding part is arranged on the shaft skin 3.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. A single-phase linear bearing, characterized by: including optical axis (2) and hub (3), evenly set up on the surface of optical axis (2) first spout (5) that the axial direction of several and optical axis (2) is parallel, hub (3) are cylindric, seted up on the inner wall of hub (3) with first spout (5) complex second spout (6), be provided with several ball (7) between first spout (5) and second spout (6), hub (3) are in through ball (7) slidable setting on the surface of optical axis (2).

2. The single-phase linear bearing according to claim 1, wherein: both ends all are provided with axle skin closing cap (4) about axle skin (3), the medial surface of axle skin closing cap (4) with second spout (6) cooperation on axle skin (3), the central point of axle skin closing cap (4) put seted up with optical axis (2) complex through-hole (9).

3. The single-phase linear bearing of claim 2, wherein: the shaft cover sealing covers (4) are detachably arranged at two ends of the shaft cover (3) through bolts (8).

4. The single-phase linear bearing of claim 1, wherein: and optical axis supports (1) are arranged at two ends of the optical axis (2).

5. The single-phase linear bearing according to claim 1, wherein: the first sliding groove (5) and the second sliding groove (6) are both semicircular grooves matched with the balls (7).

6. The single-phase linear bearing of claim 1, wherein: the number of the first sliding grooves (5) and the number of the second sliding grooves (6) are 8.

7. The single-phase linear bearing according to claim 4, wherein: the bottom welding of optical axis support (1) has the connection lower margin, be provided with the through-hole that is used for installing rag bolt on the connection lower margin.