CN213176482U

CN213176482U - Novel linear bearing with good sealing effect

Info

Publication number: CN213176482U
Application number: CN202021971921.XU
Authority: CN
Inventors: 孙晓荣
Original assignee: Shanghai Shunlu Industry And Trade Co ltd
Current assignee: Shanghai Shunlu Industry And Trade Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-05-11
Anticipated expiration: 2030-09-10

Abstract

The utility model discloses a sealed effectual novel linear bearing belongs to linear bearing technical field, and it includes the barrel, four recesses have been seted up to the inner wall of barrel, be provided with a plurality of rolling element in the recess, the equal joint of lower surface of a plurality of rolling element is in the draw-in groove, and the upper surface at the limiting plate is all seted up to a plurality of draw-in groove, both ends all are provided with sealing retainer ring about the barrel. This sealed effectual novel linear bearing, through setting up the limiting plate, the draw-in groove, pterygoid lamina and sealing ring, utilize sealing ring to block the pterygoid lamina, fix the limiting plate, make fixing on the barrel that the limiting plate can be stable, play spacing effect to the rolling element, guarantee that the rolling element can fix in the recess, also can arbitrary roll, when dismantling sealing ring down, can be convenient take off the limiting plate, the limiting plate is when playing the effect of spacing rolling element like this, also can play dirt-proof effect, and be convenient for change and maintain.

Description

Novel linear bearing with good sealing effect

Technical Field

The utility model belongs to the technical field of linear bearing, specifically be a sealed effectual novel linear bearing.

Background

The linear bearing is a linear motion system and is used for matching a linear stroke 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 speed of the bearing, and can obtain stable linear motion with high sensitivity and high precision. Linear bearings are widely used as sliding parts in industrial machines such as precision machine tools, textile machines, food packaging machines, and printing machines.

Linear bearing generally adopts rubber seal to seal, and its majority is used in comparatively abominable environment, leads to the easy impaired or drop of rubber seal in the linear bearing like this, causes the linear bearing leakproofness variation, and in the dust got into linear bearing in a large number, because the linear bearing inner race is global design, the rolling element was in the dust for a long time and moves down, can cause the damage to bearing inner race and raceway, and it is very inconvenient to change and maintain, and influences linear bearing's life.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the above-mentioned defect of prior art, the utility model provides a sealed effectual novel linear bearing has solved current linear bearing and has only sealed by rubber seal, appears damaging the back when rubber seal, can't avoid a large amount of dust to get into, leads to the rolling element to be in the dust for a long time and moves down, causes the damage to bearing inner circle and raceway, influences linear bearing life's problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sealed effectual novel linear bearing, includes the barrel, four recesses have been seted up to the inner wall of barrel, be provided with a plurality of rolling element in the recess, the equal joint of lower surface of a plurality of rolling element is in the draw-in groove, and the upper surface at the limiting plate is all seted up to a plurality of draw-in groove, both ends all are provided with sealing ring about the barrel, the limiting plate joint is between two sealing ring, all is provided with sealed the pad between both ends about two sealing ring's opposite face and barrel.

As a further aspect of the present invention: the position that the recess inner wall upper surface corresponds a plurality of rolling element all has seted up the spacing groove, the shape of spacing groove is the arc.

As a further aspect of the present invention: and wing plates are arranged on the left side surface and the right side surface of the limiting plate, and the right side wing plates are clamped on the right side sealing retaining ring.

As a further aspect of the present invention: the sealing retainer ring is fixedly connected with the right end face of the cylinder body through a plurality of screws.

As a further aspect of the present invention: the right side of barrel surface fixedly connected with flange, a plurality of through-hole has been seted up to flange's side.

As a further aspect of the present invention: the diameter of the clamping groove is smaller than that of the rolling body.

(III) advantageous effects

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

1. this sealed effectual novel linear bearing, through setting up the limiting plate, the draw-in groove, pterygoid lamina and sealing ring, utilize sealing ring to block the pterygoid lamina, fix the limiting plate, make fixing on the barrel that the limiting plate can be stable, play spacing effect to the rolling element, guarantee that the rolling element can fix in the recess, also can arbitrary roll, when dismantling sealing ring down, can be convenient take off the limiting plate, the limiting plate is when playing the effect of spacing rolling element like this, also can play dirt-proof effect, and be convenient for change and maintain.

2. This sealed effectual novel linear bearing through setting up sealing washer, sealed pad and screw, under the effect of screw, the sealing washer can be nimble install and dismantle, sealed pad can increase the leakproofness between barrel and the sealing washer simultaneously, has further strengthened the sealed effect of this device.

3. This sealed effectual novel linear bearing through setting up flange and through-hole, is convenient for use flange fixes the barrel to this device has brought the facility for the workman installs.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic three-dimensional structure of the limiting plate of the present invention;

FIG. 3 is a schematic structural view of the right side view of the connecting flange of the present invention;

in the figure: the device comprises a barrel body 1, a groove 2, a rolling body 3, a limiting groove 4, a clamping groove 5, a limiting plate 6, a wing plate 7, a sealing retainer ring 8, a sealing gasket 9, a screw 10, a connecting flange 11 and a through hole 12.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1-3, the utility model provides a technical solution: a novel linear bearing with good sealing effect comprises a barrel body 1, four grooves 2 are formed in the inner wall of the barrel body 1, a plurality of rolling bodies 3 are arranged in the grooves 2, the lower surfaces of the rolling bodies 3 are all clamped in clamping grooves 5, the clamping grooves 5 are all formed in the upper surface of a limiting plate 6, sealing check rings 8 are arranged at the left end and the right end of the barrel body 1, the limiting plate 6 is clamped between the two sealing check rings 8, sealing gaskets 9 are arranged between the opposite surfaces of the two sealing check rings 8 and the left end and the right end of the barrel body 1, the limiting plate 6 is fixed by clamping the wing plate 7 through the limiting plate 6, the clamping grooves 5, the wing plate 7 and the sealing check rings 8, the limiting plate 6 can be stably fixed on the barrel body 1, the rolling bodies 3 are limited, the rolling bodies 3 can be guaranteed to be fixed in the grooves 2 and can, when the sealing retainer ring 8 is disassembled, the limiting plate 6 can be conveniently taken down, so that the limiting plate 6 can also play a dustproof role when playing a role of limiting the rolling body 3, and is convenient to replace and maintain.

Specifically, as shown in fig. 1, the position of the upper surface of the inner wall of the groove 2 corresponding to the plurality of rolling elements 3 is provided with a limiting groove 4, the limiting groove 4 is arc-shaped, the rolling elements 3 are limited by the limiting groove 4 by arranging the limiting groove 4, the stability of the rolling elements 3 in the groove 2 is increased, the left side and the right side of the limiting plate 6 are provided with wing plates 7, the right side wing plates 7 are clamped on a right side sealing ring 8, the wing plates 7 are clamped with the sealing ring 8 by arranging the wing plates 7, so that the effect of fixing the limiting plate 6 is achieved, the sealing ring 8 is fixedly connected with the right end surface of the cylinder 1 by a plurality of screws 10, the sealing ring 8, the sealing pad 9 and the screws 10 are arranged, under the effect of the screws 10, the sealing ring 8 can be flexibly mounted and dismounted, and the sealing pad 9 can increase the sealing performance between the cylinder 1 and the sealing ring 8, the sealing effect of the device is further enhanced, the diameter of the clamping groove 5 is smaller than that of the rolling body 3, the rolling body 3 is guaranteed not to be separated from the clamping groove 5 through the diameter relation between the clamping groove 5 and the rolling body 3, and meanwhile, the limiting effect is achieved on the rolling body 3.

Specifically, as shown in fig. 3, the right side fixedly connected with flange 11 on barrel 1 surface, a plurality of through-hole 12 has been seted up to flange 11's side, and through setting up flange 11 and through-hole 12, convenient to use flange 11 fixes barrel 1 to this device of workman's installation has brought the facility.

The utility model discloses a theory of operation does:

during the use, the workman uses a plurality of screw 10 to install sealing ring 8 earlier to one side of barrel 1, through 7 joints of pterygoid lamina to limiting plate 6 one end on sealing ring 8, then place rolling element 3 in recess 2 and draw-in groove 5, when placing limiting plate 6 and rolling element 3, use screw 10 to install sealing ring 8 to the opposite side of barrel 1 again, block pterygoid lamina 7 of the 6 left and right sides of limiting plate respectively through two sealing ring 8, make rolling element 3 stable and nimble fix in recess 2.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a sealed effectual novel linear bearing, includes barrel (1), its characterized in that: four recesses (2) have been seted up to the inner wall of barrel (1), be provided with a plurality of rolling element (3) in recess (2), the equal joint of lower surface of a plurality of rolling element (3) is in draw-in groove (5), and the upper surface at limiting plate (6) is all seted up in a plurality of draw-in groove (5), both ends all are provided with sealing washer (8) about barrel (1), limiting plate (6) joint is between two sealing washer (8), all is provided with sealed pad (9) between the opposite face of two sealing washer (8) and barrel (1) about both ends.

2. The novel linear bearing with good sealing effect as claimed in claim 1, wherein: limiting grooves (4) are formed in the positions, corresponding to the plurality of rolling bodies (3), of the upper surface of the inner wall of the groove (2), and the limiting grooves (4) are arc-shaped.

3. The novel linear bearing with good sealing effect as claimed in claim 1, wherein: and wing plates (7) are arranged on the left side surface and the right side surface of the limiting plate (6), and the right wing plate (7) is connected to a right sealing retainer ring (8) in a clamping manner.

4. The novel linear bearing with good sealing effect as claimed in claim 1, wherein: the sealing retainer ring (8) is fixedly connected with the right end face of the cylinder body (1) through a plurality of screws (10).

5. The novel linear bearing with good sealing effect as claimed in claim 1, wherein: the right side fixedly connected with flange (11) on barrel (1) surface, a plurality of through-hole (12) have been seted up to flange (11)'s side.

6. The novel linear bearing with good sealing effect as claimed in claim 1, wherein: the diameter of the clamping groove (5) is smaller than that of the rolling body (3).