CN212657129U

CN212657129U - Novel linear bearing structure

Info

Publication number: CN212657129U
Application number: CN202021450516.3U
Authority: CN
Inventors: 罗祖金
Original assignee: Shenzhen Srd Automation Equipment Co ltd
Current assignee: Shenzhen Srd Automation Equipment Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-03-05
Anticipated expiration: 2030-07-21

Abstract

The utility model discloses a novel linear bearing structure, including the linear bearing shell, a plurality of recesses have been seted up to the first-class angle on the inner wall of linear bearing shell, and the inside of recess is equipped with a plurality of steel balls, recess internal connection has the replacement device of the replacement steel ball of being convenient for to install, the bottom of linear bearing shell is connected with the flange, this novel linear bearing structure is through having increased steel ball replacement device, has solved the problem that can't be changed after steel ball wearing and tearing or damage in the linear bearing, has realized the steel ball wearing and tearing back, can partially replace the effect of steel ball, through having increased the lid on steel ball replacement device, has solved single or many wearing and tearing of steel ball or damage back, the problem of unable independent replacement, has realized when single or many wearing and tearing or damage back appear in the steel ball, pours the steel ball through opening the lid, the effect of single or many replacements.

Description

Novel linear bearing structure

Technical Field

The utility model relates to the technical field of machinery, specifically be a novel linear bearing structure.

Background

The linear bearing is a linear motion system produced at low cost and used for an infinite stroke in cooperation with a cylindrical shaft, and the linear bearing is a linear motion system used for a linear stroke in cooperation with a cylindrical shaft. Because the bearing ball is in point contact with the bearing outer sleeve, the steel ball rolls with the minimum friction resistance, so that the linear bearing has small friction and is relatively stable, does not change along with the bearing speed, can obtain stable linear motion with high sensitivity and high precision, has limitation on consumption of the linear bearing, is mainly poor in bearing impact load capacity and bearing capacity, is large in vibration and noise when moving at high speed, and is fast, easy and optimal, and can be automatically selected for recording. Linear bearings are widely used as sliding parts in industrial machines such as precision machine tools, textile machines, food packaging machines, and printing machines.

The inside a plurality of little steel balls that are equipped with of current linear bearing, during the guide bar inserted linear bearing, the guide bar body of rod and the surperficial looks mutual friction of steel ball, lead to little steel ball surface abrasion or damage, but current linear bearing can't replace the little steel ball that damages, in case take place wearing and tearing or damage can only directly replace linear bearing, has increased the cost of mechanical maintenance, has influenced machinery in use's work experience simultaneously, has increased staff's work load. Therefore, a novel linear bearing structure is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel linear bearing structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel linear bearing structure, includes the linear bearing shell, a plurality of recesses have been seted up to the first-class angle on the inner wall of linear bearing shell, and the inside of recess is equipped with a plurality of steel balls, recess internal connection has the replacement device of the installation replacement steel ball of being convenient for, the bottom of linear bearing shell is connected with the flange, when the steel ball wearing and tearing appear, convenient timely change.

Preferably, the replacement device includes shell and metal pole, shell sliding connection is inside the recess, and a plurality of steel balls install inside the shell, the both sides on shell top are connected with the slide rail respectively, metal pole both ends difference sliding connection is in slide rail department, the bottom of shell is connected with launches the board, and launches the bottom of board and be connected with the spring, the spring is connected with the linear bearing shell, makes things convenient for the quick replacement of steel ball.

Preferably, the diameter of the sliding rail is equal to the diameter of the two ends of the metal rod, so that the metal rod can slide smoothly.

Preferably, the two ends of the metal rod are connected with limiting blocks, the diameter of each limiting block is larger than that of the corresponding sliding rail, and the metal rod is prevented from sliding off the corresponding sliding rail.

Preferably, the slide rail is inserted with a bolt, the bottom of the bolt is inserted at the top of the linear bearing shell, and the metal rod can be fixed when the slide rail is not used.

Preferably, a cover is connected to the top end of the housing, so that the replacement of a single or a part of the steel ball 7 is facilitated.

Preferably, the two ends of the ejection plate are connected with sliding blocks, sliding grooves are formed in the two sides of the inner wall of the groove, and the sliding blocks are in sliding connection with the sliding grooves, so that the shell and the steel balls cannot fall off due to ejection.

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

the utility model relates to a novel linear bearing structure through having increased steel ball replacement device, the problem of unable change after the steel ball wearing and tearing or damage in the linear bearing has been solved, the steel ball wearing and tearing back has been realized, the effect of partly replacement steel ball, through having increased the lid on steel ball replacement device, the problem of unable independent replacement after having solved single or many wearing and tearing or damage of steel ball, realized when the steel ball single or many wearing and tearing or damage back appear, pour the steel ball through opening the lid, the effect of single or many replacements

Drawings

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

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic structural view of the present invention;

FIG. 4 is an enlarged view of area A of FIG. 2;

fig. 5 is an enlarged view of the region B in fig. 3.

In the figure: 1-a linear bearing housing; 2-a groove; 3-replacement means; 4-a flange; 5-a housing; 6-a metal rod; 7-steel balls; 8-a slide rail; 9-ejecting a board; 10-a spring; 11-a limiting block; 12-a bolt; 13-a lid; 14-a slide block; 15-chute.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a novel linear bearing structure, includes linear bearing shell 1, a plurality of recesses 2 have been seted up to the first-class angle on linear bearing shell's the inner wall, and the inside of recess 2 is equipped with a plurality of steel balls 7, recess internal connection has the replacement device 3 of being convenient for install replacement steel ball 7, linear bearing shell 1's bottom is connected with flange 4, takes out steel ball replacement device 3 part, changes steel ball 7, and the convenience is in time changed when steel ball 7 appears wearing and tearing.

Replacement device 3 includes shell 5 and

metal pole

6, 5 sliding connection of shell is inside recess 2, and a plurality of steel balls 7 install inside the shell, the both sides on shell 5 top are connected with slide rail 8 respectively, 6 both ends of metal pole sliding connection respectively are in slide rail 8 department, the bottom of shell 5 is connected with launches board 9, and launches the bottom of board 9 and be connected with spring 10, spring 10 is connected with linear bearing shell 1, and when using steel ball replacement device 3, earlier promote relevant position along slide rail 8 with metal pole 6, make spring 10 can act on, and spring 10 launches board 9 through promoting, releases shell 5 and steel ball 7 to the position that can take out, and steel ball 7 has been replaced, puts into shell 5 and steel ball 7 again, makes things convenient for the replacement of steel ball 7.

The diameter of the slide rail 8 is equal to the diameter of the two ends of the metal rod 6, and when the metal rod 6 slides, the metal rod 6 cannot be clamped and smoothly slides.

The both ends of metal pole 6 are connected with stopper 11, and the diameter of stopper 11 is greater than the diameter of slide rail 8, and when metal pole 6 slided, can prevent that metal pole 6 from droing from slide rail 8.

The sliding rail 8 is inserted with the bolt 12, the bottom of the bolt 12 is inserted at the top of the linear bearing shell 1, the bolt 12 is firstly drawn out when the linear bearing is used, the metal rod 6 is slid, and the metal rod 6 can not slide when the linear bearing is not used.

The top end of the shell 5 is connected with a cover 13, the steel balls 7 can be poured out for replacement by opening the cover 13, and replacement of a single steel ball 7 or a part of the steel balls 7 can be realized.

The two ends of the ejection plate 9 are connected with sliding blocks 14, sliding grooves 15 are formed in the two sides of the inner wall of the groove 2, the sliding blocks 14 are connected with the sliding grooves 15 in a sliding mode, when the ejection plate 9 is pushed by the spring 10, the sliding blocks 14 slide in the sliding grooves 15, the ejection plate 9 can slide stably, the ejection height is limited by the sliding grooves 15, and the shell 5 and the steel balls 7 cannot fall off due to excessive ejection.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 novel linear bearing structure, includes linear bearing shell (1), its characterized in that: a plurality of grooves (2) are formed in the inner wall of the linear bearing shell (1) at equal angles, a plurality of steel balls (7) are arranged inside the grooves (2), the grooves are internally connected with replacement devices (3) which are convenient to install and replace the steel balls (7), and a flange (4) is connected to the bottom of the linear bearing shell (1).

2. The novel linear bearing structure of claim 1, wherein: replacement device (3) include shell (5) and metal pole (6), shell (5) sliding connection is inside recess (2), and installs inside the shell a plurality of steel balls (7), the both sides on shell (5) top are connected with slide rail (8) respectively, metal pole (6) both ends are sliding connection respectively in slide rail (8) department, the bottom of shell (5) is connected with launches board (9), and launches the bottom of board (9) and be connected with spring (10), spring (10) are connected with linear bearing shell (1).

3. A novel linear bearing structure as claimed in claim 2, wherein: the diameter of the sliding rail (8) is equal to the diameter of the two ends of the metal rod (6).

4. A novel linear bearing structure as claimed in claim 2, wherein: the two ends of the metal rod (6) are connected with limiting blocks (11), and the diameters of the limiting blocks (11) are larger than those of the sliding rails (8).

5. A novel linear bearing structure as claimed in claim 2, wherein: a bolt (12) is inserted into the sliding rail (8), and the bottom of the bolt (12) is inserted into the top of the linear bearing shell (1).

6. A novel linear bearing structure as claimed in claim 2, wherein: the top end of the shell (5) is connected with a cover (13).

7. A novel linear bearing structure as claimed in claim 2, wherein: the two ends of the ejection plate (9) are connected with sliding blocks (14), sliding grooves (15) are formed in the two sides of the inner wall of the groove (2), and the sliding blocks (14) are connected with the sliding grooves (15) in a sliding mode.