CN219529584U - Dust protected linear bearing - Google Patents

Abstract

The utility model discloses a dustproof linear bearing which comprises a bearing shell, wherein a group of first nuts are fixedly embedded at the left end and the right end of the bearing shell, a group of balls are arranged on the inner wall of the bearing shell, a fixed shaft is arranged in the bearing shell, and the outer surface of each ball is contacted with the outer surface of the fixed shaft. This device is through being provided with the sealing washer, utilize sealing washer and fixed axle in close contact with, can seal the bearing shell, thereby avoid the dust to get into the inside of bearing shell, guaranteed the service condition of bearing shell and its inside ball, when bearing shell removes simultaneously, the sealing washer can strike off the dust on fixed axle surface, avoid its long-time surface of remaining at the fixed axle, further improved this linear bearing's life, through being provided with first nut, utilize first nut, fixing bolt and through-hole's cooperation, can install this sealing washer, its mounting means is simple convenient, be favorable to using.

Description

Dust protected linear bearing

Technical Field

The utility model relates to the technical field of linear bearings, in particular to a dustproof linear bearing.

Background

The linear bearing is a linear motion system produced at low cost, is used for matching with a cylindrical shaft in an infinite stroke, and is widely applied to sliding parts of industrial machines such as precision machine tools, textile machines, food packaging machines, printing machines and the like.

At present, when the linear bearing is used, as the fixed shaft needs to be arranged outside, dust can be inevitably dropped on the surface of the fixed shaft, and when the linear bearing moves, the dust easily enters the inside of the linear bearing to influence the use of the linear bearing, therefore, a dustproof linear bearing is provided to solve the problems.

Disclosure of Invention

The present utility model is directed to a dustproof linear bearing, which solves the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a dust protected linear bearing, includes the bearing housing, the both ends are all fixed to inlay about the bearing housing has a set of first nut, the inner wall of bearing housing is equipped with a set of ball, the inside of bearing housing is equipped with the fixed axle, every the surface of ball all contacts with the surface of fixed axle, the mounting groove has all been seted up at the both ends about the bearing housing, every the inside of mounting groove all is equipped with the sealing washer, two the through-hole has all been seted up to the side that the sealing washer is close to each other, every the inside of through-hole all is equipped with fixing bolt, every fixing bolt's surface all with the inner wall threaded connection of first nut, every the inner wall of sealing washer all contacts with the surface of fixed axle.

In a further embodiment, a nameplate is arranged in front of the bearing housing, and the back of the nameplate is fixedly connected with the outer surface of the bearing housing.

In a further embodiment, two groups of mounting holes are formed in the outer surface of the bearing housing, the inner wall of each mounting hole is fixedly connected with a second nut, and the inner wall of each second nut is in threaded connection with a limit bolt.

In a further embodiment, a set of limiting grooves is formed in the outer surface of each sealing ring, and one ends, close to each other, of each set of limiting bolts extend to the inside of each limiting groove.

In a further embodiment, a gasket is disposed in each mounting groove, and a side surface of each gasket, which is far away from each other, is respectively contacted with a side surface of each sealing ring, which is close to each other.

In a further embodiment, two reinforcing ribs are fixedly embedded in each sealing ring, and each reinforcing rib is made of steel wires.

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

this device is through being provided with the sealing washer, utilize sealing washer and fixed axle in close contact with, can seal the bearing shell, thereby avoid the dust to get into the inside of bearing shell, guaranteed the service condition of bearing shell and its inside ball, when bearing shell removes simultaneously, the sealing washer can strike off the dust on fixed axle surface, avoid its long-time surface of remaining at the fixed axle, further improved this linear bearing's life, through being provided with first nut, utilize first nut, fixing bolt and through-hole's cooperation, can install this sealing washer, its operational mode is simple convenient, be favorable to using.

Drawings

Fig. 1 is a schematic perspective view of a dust-proof linear bearing according to the present utility model.

Fig. 2 is a cross-sectional view of a front view of a dust protected linear bearing of the present utility model.

Fig. 3 is a schematic perspective view of a seal ring in a dust-proof linear bearing according to the present utility model.

Fig. 4 is an enlarged schematic view of the structure of the dust-proof linear bearing of fig. 2 at a.

In the figure: 1. a seal ring; 2. a bearing housing; 3. a nameplate; 4. a limit bolt; 5. a fixing bolt; 6. a fixed shaft; 7. a second nut; 8. a ball; 9. a limit groove; 10. a through hole; 11. a mounting groove; 12. a gasket; 13. a mounting hole; 14. a first nut; 15. reinforcing ribs.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, in the present utility model, a dustproof linear bearing includes a bearing housing 2, a set of first nuts 14 are fixedly embedded at the left and right ends of the bearing housing 2, a set of balls 8 are provided on the inner wall of the bearing housing 2, a fixed shaft 6 is provided in the bearing housing 2, the outer surface of each ball 8 contacts with the outer surface of the fixed shaft 6, mounting grooves 11 are provided at the left and right ends of the bearing housing 2, sealing rings 1 are provided in the inner parts of each mounting groove 11, through holes 10 are provided at one side of the two sealing rings 1, which are close to each other, each through hole 10 is provided with a fixing bolt 5, the outer surface of each fixing bolt 5 is in threaded connection with the inner wall of the first nut 14, and the inner wall of each sealing ring 1 contacts with the outer surface of the fixed shaft 6.

The place ahead of bearing housing 2 is equipped with data plate 3, the back and the surface fixed connection of bearing housing 2 of data plate 3, specific model information through data plate 3 record has this linear bearing, can make things convenient for the staff to select it according to the user demand, two sets of mounting holes 13 have been seted up to the surface of bearing housing 2, the equal fixedly connected with second nut 7 of inner wall of every mounting hole 13, the equal threaded connection of inner wall of every second nut 7 has spacing bolt 4, utilize mounting hole 13 can make spacing bolt 4 install in its inside, thereby avoid spacing bolt 4 outwards protrusion, a set of spacing groove 9 has all been seted up to the surface of every sealing washer 1, the one end that every set of spacing bolt 4 is close to each other all extends to the inside of spacing groove 9, cooperation through spacing groove 9 and spacing bolt 4 can be spacing to sealing washer 1, thereby make sealing washer 1 can be fixed more firm, avoid its displacement, the reliability of utilizing its seal dust prevention has been improved.

The inside of every mounting groove 11 all is equipped with packing ring 12, and a side that two packing rings 12 keep away from each other contacts with a side that two sealing washer 1 are close to each other respectively, can make things convenient for the staff to dismantle sealing washer 1 through packing ring 12, avoids sealing washer 1 long-term use to appear the adhesion with the inner wall of mounting groove 11, and the inside of every sealing washer 1 is all fixed to inlay has two strengthening ribs 15, and every strengthening rib 15 is the steel wire material, utilizes strengthening rib 15 can further increase the intensity of this sealing washer 1, has improved the life of this sealing washer 1, is favorable to using.

The working principle of the utility model is as follows:

when using this linear bearing, first choice needs to install it to the position of use, utilizes ball 8 and fixed axle 6's contact, can make bearing housing 2 slide on its surface, can play dirt-proof effect through sealing washer 1 simultaneously, avoids external dust to get into the inside of bearing housing 2, after using certain time, the staff can pull down stop bolt 4 and fixing bolt 5 to this can change sealing washer 1, thereby guarantees this linear bearing's state of use.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. A dust protected linear bearing, its characterized in that: including bearing housing (2), both ends all are fixed to inlay about bearing housing (2) have a set of first nut (14), the inner wall of bearing housing (2) is equipped with a set of ball (8), the inside of bearing housing (2) is equipped with fixed axle (6), every the surface of ball (8) all contacts with the surface of fixed axle (6), mounting groove (11) have all been seted up at both ends about bearing housing (2), every the inside of mounting groove (11) all is equipped with sealing washer (1), two through-hole (10) have all been seted up to a side that sealing washer (1) are close to each other, every the inside of through-hole (10) all is equipped with fixing bolt (5), every fixing bolt (5)'s surface all with the inner wall threaded connection of first nut (14), every the inner wall of sealing washer (1) all contacts with the surface of fixed axle (6).

2. A dust protected linear bearing as set forth in claim 1, wherein: the front of the bearing shell (2) is provided with a nameplate (3), and the back of the nameplate (3) is fixedly connected with the outer surface of the bearing shell (2).

3. A dust protected linear bearing as set forth in claim 1, wherein: two groups of mounting holes (13) are formed in the outer surface of the bearing shell (2), the inner wall of each mounting hole (13) is fixedly connected with a second nut (7), and the inner wall of each second nut (7) is connected with a limit bolt (4) in a threaded mode.

4. A dust protected linear bearing as set forth in claim 3, wherein: a group of limit grooves (9) are formed in the outer surface of each sealing ring (1), and one end, close to each other, of each group of limit bolts (4) extends to the inside of each limit groove (9).

5. A dust protected linear bearing as set forth in claim 1, wherein: and a gasket (12) is arranged in each mounting groove (11), and one side surface of each gasket (12) far away from each other is respectively contacted with one side surface of each sealing ring (1) close to each other.

6. A dust protected linear bearing as set forth in claim 1, wherein: two reinforcing ribs (15) are fixedly embedded in each sealing ring (1), and each reinforcing rib (15) is made of steel wires.