CN210978233U

CN210978233U - Bearing with dustproof function

Info

Publication number: CN210978233U
Application number: CN201921562101.2U
Authority: CN
Inventors: 方建园; 樊锐; 沈国华
Original assignee: Changzhou Dingsen Transmission Technology Co ltd
Current assignee: Changzhou Dingsen Transmission Technology Co ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-07-10
Anticipated expiration: 2029-09-19

Abstract

The utility model discloses a bearing with dustproof function belongs to bearing technical field, including the outer lane, be provided with the inner circle in the outer lane, the fixed surface of outer lane is connected with the protective housing, the fixed pipe an of inner wall fixedly connected with of inner circle, the fixed surface fixedly connected with rubber pad of fixed pipe a, the fixed surface fixedly connected with stationary blade of rubber pad. The utility model discloses a set up the protective housing, fixed pipe an and rubber pad, the protective housing can carry out comprehensive protection to the outer lane, and inner circle can be plugged up to fixed pipe an and rubber pad, and the gap between inner circle and the outer lane, thereby can effectively avoid the dust to get into, consequently fixed pipe b can be fixed by effectual, whether block in the draw-in groove through the control fixture block, and realize the effective dismouting to fixed pipe b, convenient fixed pipe b to the footpath variation in size is fixed, and then make fixed pipe b can fix the pivot of variation in size, the application range of bearing is improved.

Description

Bearing with dustproof function

Technical Field

The utility model relates to a bearing especially relates to a bearing with dustproof function, belongs to bearing technical field.

Background

The bearing is an important part in the modern mechanical equipment, the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the movement process of the mechanical rotating body and ensure the rotation precision of the mechanical rotating body, and the existing bearing avoids the influence of dust entering between an inner ring and an outer ring on rotation, so that a dustproof sheet is arranged between the inner ring and the outer ring and can be connected with the inner ring or the outer ring, and the dustproof sheet can rub with the inside of the bearing in the rotation process of the inner ring, and the dustproof effect is influenced by the abrasion of the dustproof sheet due to the long-term use.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a bearing with dustproof function.

The purpose of the utility model can be achieved by adopting the following technical scheme:

the utility model provides a bearing with dustproof function, includes the outer lane, be provided with the inner circle in the outer lane, the fixed surface of outer lane is connected with the protective housing, the fixed pipe a of inner wall fixedly connected with of inner circle, the fixed surface fixedly connected with rubber pad of fixed pipe a, the lower fixed surface of rubber pad is connected with the stationary blade, and the stationary blade setting is at the spacing inslot that the protective housing upper surface was seted up, a plurality of through-hole has been seted up to fixed pipe a's surface, and is provided with the briquetting in the through-hole, fixed pipe a endotheca is equipped with fixed pipe b, the back fixedly connected with fixture block of briquetting, and the draw-in groove has been seted up to.

Preferably, the surface and the inner wall of stationary blade all laminate with the inner wall of spacing groove, and stationary blade and protective housing are smooth metal material.

Preferably, the outer surface and the inner wall of the fixing piece are fixedly connected with a plurality of steel balls, and the steel balls are respectively arranged in a sliding groove b formed in the inner wall of the limiting groove.

Preferably, the pressing block is triangular, the left side surface and the right side surface of the pressing block are fixedly connected with sliding blocks, the sliding blocks are connected in the sliding grooves a in a sliding mode, and the two sliding grooves a are respectively arranged on the left side surface and the right side surface of the inner wall of the through hole.

Preferably, a spring is arranged in the sliding groove a, and two ends of the spring are respectively fixedly connected with the back of the inner wall of the sliding groove a and the back of the sliding block.

Preferably, the surface cover of retainer plate a is equipped with the retainer plate, the inner wall of retainer plate is provided with the internal thread, the external screw thread has been seted up to retainer plate a's surface, and the external screw thread is located the internal thread below, the quantity of retainer plate is two, and two retainer plate symmetries set up the upper and lower both sides at the protective housing.

The utility model has the advantages of:

the utility model provides a bearing with dustproof function, through setting up protective housing, fixed tube a and rubber pad, the protective housing can carry out comprehensive protection to the outer lane, and fixed tube a and rubber pad can stop up the inner lane, and the gap between inner lane and the outer lane, thus can effectively avoid the dust to get into, through setting up spacing groove and stationary blade, the stationary blade can rotate in the spacing groove, and the rubber pad is fixedly connected on the stationary blade, the inner lane is rotatory to drive fixed tube a to rotate, fixed tube a can drive the rubber pad to rotate, the rubber pad can not produce the friction with other parts when rotating, prolong the life of rubber pad, improve the dustproof effect, through setting up fixed tube b, draw-in groove, briquetting and fixture block, the fixture block can block in the draw-in groove, the briquetting is fixed in fixed tube a simultaneously, therefore fixed tube b can be effectively fixed, whether the clamping block is clamped in the clamping groove or not is controlled, effective disassembly and assembly of the fixed pipe b are achieved, the fixed pipe b with different diameters is conveniently fixed, then the rotating shafts with different sizes can be fixed by the fixed pipe b, and the application range of the bearing is widened.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of a bearing with a dustproof function according to the present invention;

fig. 2 is a schematic top view of a part of a protective shell and a stationary plate of a preferred embodiment of a bearing with a dustproof function according to the present invention;

fig. 3 is a schematic sectional view of a top view of a fixing tube a in a preferred embodiment of a bearing with a dustproof function according to the present invention;

fig. 4 is an enlarged schematic structural view of a preferred embodiment a of a bearing with a dustproof function according to the present invention.

In the figure: 1-outer ring, 2-protective shell, 3-inner ring, 4-fixed tube a, 5-rubber pad, 6-pressing block, 7-steel ball, 8-limiting groove, 9-clamping block, 10-through hole, 11-fixed ring, 12-fixed tube b, 13-spring, 14-sliding groove a, 15-sliding block, 16-clamping groove, 17-fixed piece.

Detailed Description

In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention will be described in further detail with reference to the following embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1-4, the bearing with the dustproof function provided in this embodiment includes an outer ring 1, an inner ring 3 is provided in the outer ring 1, an outer surface of the outer ring 1 is fixedly connected with a protective housing 2, an inner wall of the inner ring 3 is fixedly connected with a fixed tube a4, an outer surface of the fixed tube a4 is fixedly connected with a rubber pad 5, a lower surface of the rubber pad 5 is fixedly connected with a fixing piece 17, the fixing piece 17 is disposed in a limiting groove 8 formed in an upper surface of the protective housing 2, a plurality of through holes 10 are formed in an outer surface of the fixed tube a4, a pressing block 6 is provided in the through holes 10, a fixed tube b12 is sleeved in the fixed tube a4, a clamping block 9 is fixedly connected to a back surface of the pressing block 6, and a clamping.

In this embodiment, as shown in fig. 2, the outer surface and the inner wall of the fixing piece 17 are both attached to the inner wall of the limiting groove 8, and the fixing piece 17 and the protective shell 2 are both made of smooth metal; both the fixing piece 17 and the protective shell 2 are made of smooth metal materials, so that the friction coefficient of the fixing piece 17 is smaller when the fixing piece 17 rotates in the limiting groove 8.

In the embodiment, as shown in fig. 2, the outer surface and the inner wall of the fixing piece 17 are both fixedly connected with a plurality of steel balls 7, and the plurality of steel balls 7 are respectively arranged in sliding grooves b formed in the inner wall of the limiting groove 8; through setting up steel ball 7 to make stationary blade 17 can be stable at spacing inslot 8 internal rotation, and can not break away from in the spacing inslot 8.

In the present embodiment, as shown in fig. 3, the pressing block 6 is triangular, and the left and right sides of the pressing block 6 are both fixedly connected with the sliding blocks 15, the sliding blocks 15 are slidably connected in the sliding grooves a14, and the two sliding grooves a14 are respectively opened on the left and right sides of the inner wall of the through hole 10; be three horn shapes through the shape that sets up briquetting 6 to make retainer plate 11 can move along briquetting 6's inclined plane, and then can extrude briquetting 6 into through-hole 10 in, through setting up slider 15 and spout a14, briquetting 6 can drive slider 15 and remove in spout a14, thereby make briquetting 6 more stable when removing.

In this embodiment, as shown in fig. 4, a spring 13 is disposed in the sliding groove a14, and two ends of the spring 13 are respectively fixedly connected to the back of the inner wall of the sliding groove a14 and the back of the slider 15; by providing the spring 13, when the retainer ring 11 no longer presses the press block 6, the spring 13 can extend by its own elastic force and drive the press block 6 to move away from the through hole 10.

In this embodiment, as shown in fig. 1, a fixing ring 11 is sleeved on the outer surface of the fixing tube a4, an internal thread is provided on the inner wall of the fixing ring 11, an external thread is provided on the outer surface of the fixing tube a4, the external thread is located below the internal thread, the number of the fixing rings 11 is two, and the two fixing rings 11 are symmetrically arranged on the upper and lower sides of the protective shell 2; through setting up retainer plate 11, retainer plate 11 can be with briquetting 6 extrusion income through-hole 10 in to make in fixture block 9 can the removal card advances draw-in groove 16, through setting up internal thread and external screw thread, thereby make retainer plate 11 can threaded connection at the surface of solid fixed tube a4, and then make retainer plate 11 can be fixed and can't remove at the outside of solid fixed tube a4 at will.

As shown in fig. 1 to 4, the working process of the bearing with the dustproof function provided by this embodiment is as follows:

step 1: a worker installs the rotating shaft in the fixed pipe b12, the rotating shaft can drive the fixed pipe b12 to rotate when rotating, the fixed pipe b12 drives the inner ring 3 to rotate through the fixed pipe a4, the fixed pipe a4 can drive the rubber pad 5 and the fixing piece 17 to rotate when rotating, and at the moment, the inner ring 3 is always in a closed state, so that dust can be effectively prevented from entering between the inner ring 3 and the outer ring 1;

step 2: when fixed pipe b12 of diameter size difference needs to be changed, the workman inserts fixed pipe b12 in fixed pipe a4, then control fixed pipe and remove and extrude briquetting 6 to the through-hole 10 in, fixture block 9 can remove the card and go into in the draw-in groove 16 simultaneously, make fixed pipe a4 can be fixed, the workman twists retainer plate 11 rotatory threaded connection at the surface of fixed pipe a4, make retainer plate 11 can be fixed, fixed pipe b12 can be fixed in fixed pipe a4 by stable simultaneously.

Above, only the further embodiments of the present invention are shown, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the protection scope of the present invention.

Claims

1. The utility model provides a bearing with dustproof function which characterized in that: comprises an outer ring (1), an inner ring (3) is arranged in the outer ring (1), the outer surface of the outer ring (1) is fixedly connected with a protective shell (2), the inner wall of the inner ring (3) is fixedly connected with a fixed pipe a (4), the outer surface of the fixed pipe a (4) is fixedly connected with a rubber pad (5), the lower surface of the rubber pad (5) is fixedly connected with a fixed sheet (17), and the fixed sheet (17) is arranged in a limit groove (8) arranged on the upper surface of the protective shell (2), the outer surface of the fixed pipe a (4) is provided with a plurality of through holes (10), a pressing block (6) is arranged in the through hole (10), a fixed pipe b (12) is sleeved in the fixed pipe a (4), a clamping block (9) is fixedly connected to the back of the pressing block (6), and the outer surface of the fixed pipe b (12) is provided with a clamping groove (16) corresponding to the position of the clamping block (9).

2. The bearing with the dustproof function according to claim 1, wherein: the surface and the inner wall of stationary blade (17) all laminate with the inner wall of spacing groove (8), and stationary blade (17) and protective housing (2) are smooth metal material.

3. The bearing with the dustproof function according to claim 1, wherein: the outer surface and the inner wall of the fixing piece (17) are fixedly connected with a plurality of steel balls (7), and the steel balls (7) are respectively arranged in sliding grooves b formed in the inner wall of the limiting groove (8).

4. The bearing with the dustproof function according to claim 1, wherein: the shape of briquetting (6) is triangle-shaped, and the equal fixedly connected with slider (15) of the left and right sides face of briquetting (6), slider (15) sliding connection is in spout a (14), and two spout a (14) set up respectively in the left and right sides face of through-hole (10) inner wall.

5. The bearing with the dustproof function according to claim 4, wherein: a spring (13) is arranged in the sliding groove a (14), and two ends of the spring (13) are fixedly connected with the back of the inner wall of the sliding groove a (14) and the back of the sliding block (15) respectively.

6. The bearing with the dustproof function according to claim 1, wherein: the surface cover of retainer plate a (4) is equipped with retainer plate (11), the inner wall of retainer plate (11) is provided with the internal thread, the external screw thread has been seted up to the surface of retainer plate a (4), and the external screw thread is located the internal screw thread below, the quantity of retainer plate (11) is two, and two retainer plate (11) symmetries set up the upper and lower both sides at protecting crust (2).