CN203770386U - Deep-groove ball bearing - Google Patents

Abstract

The utility model discloses a deep-groove ball bearing. The key point of the technical scheme of the utility model is as follows: a retaining rack comprises a rack body I and a rack body II, of which both are annular, each of the rack body I and the rack body II comprises a ring I, a ring II and connecting rods which are used for connecting the ring I and the ring II, both the rings I and the rings II are tangential to rolling balls, a rolling element capable of rotating together with the rolling balls is arranged between every two adjacent rolling balls, each rolling element comprises a rotating shaft which is used for connecting the rack body I and the rack body II, and a rotating body capable of rotating on the corresponding rotating shaft, every two corresponding connecting rods are symmetrically arranged, each corresponding rolling element is connected with the middles of the every two corresponding connecting rods respectively so as to form an I-shaped structure, one ends of the rotating shafts are in threaded connection with the rack body I, the other ends of the rotating shafts are in detachable connection with the rack body II, the other end of each rotating shaft is provided with an axial fixing member which is used for fixing a bearing between the other end of the corresponding rotating shaft and the rack body II, and snapping devices which are in snapped connection with the connecting rods are arranged on the at least one fixing member. The deep-groove ball bearing has the advantages that the friction between the retaining rack and the rolling balls is reduced, the retaining rack is convenient to dismount, and the problems of diseconomy and no environmental protection caused by retaining rack replacement are solved.

Description

Deep groove ball bearing

Technical field

The utility model relates to a kind of bearing, and more particularly, it relates to a kind of deep groove ball bearing.

Background technique

Bearing refers to and in mechanical transmission course, works the parts of fixing and reducing load friction factor.When other parts produce relative movement each other on axle, friction factor and retainer shaft central position that bearing can be used to reduce in power transmission process are fixed.Therefore, bearing is a kind of very important component in contemporary machinery.Its major function is supported mechanical solid of rotation, the mechanical load friction factor in order to reduction equipment in transmission process.In bearing, also comprise retainer, retainer refers to partly wrap up all or part of ball, and the bearing parts thereupon moving, in order to isolate ball, conventionally also guide ball and hold it in bearing, current most bearing is in the process of rotating, between retainer and ball, will certainly have friction, wear and tear in the surface that can make retainer and ball of a specified duration, thereby make ball unstable in the process of rolling, bearing can be destroyed, shortened bearing working life; General retainer dismounting is inconvenient, and as retainer damage, will change whole or half retainer, uneconomical environmental protection.

Model utility content

The deficiency existing for prior art, the purpose of this utility model is to provide a kind of deep groove ball bearing, and this deep groove ball bearing has reduced the friction between retainer and ball, has extended the working life of bearing, retainer convenient disassembly, and solved the problem of changing the uneconomical environmental protection of retainer.

For achieving the above object, the utility model provides following technological scheme: a kind of deep groove ball bearing, comprise bearing outer ring, bearing inner race, retainer and ball, described ball is fixed between bearing outer ring and bearing inner race by retainer, it is characterized in that: described retainer comprises all ringwise support body one and support body two, described support body one and support body two include ring one, the connecting rod of ring two and connecting ring one and ring two, described ring one, ring two is all tangent with ball, between adjacent two balls, be equipped with the roll piece that can rotate together with ball, institute's roll piece comprises connection support body one and the rotating shaft of support body two and the rotor that can rotate in rotating shaft, described two connecting rods are symmetrical arranged, described roll piece is connected to form an I-shaped structure respectively with in the middle of two connecting rods, described rotating shaft one end is all threaded with support body one, the described rotating shaft the other end all removably connects with support body two, the described rotating shaft the other end be equipped with for bearing shaft between fixing and support body two to fixed block, at least one fixed block is provided with the fastening with connecting rod clamping.

The utility model is further set to: described connecting rod is all threaded with ring one and ring two.

The utility model is further set to: described fixed block is U-shaped piece, the opening of described fixed block is towards identical, described rotating shaft is all fixedly connected with fixed block side plate is vertical, and described connecting rod is located in fixed block, and the diameter of described connecting rod equals the distance of fixed block biside plate.

The utility model is further set to: described fastening is arranged on fixed block another side plate with respect to rotating shaft, described fastening comprises pull bar, described fixed block is provided with through hole with respect to another side plate of rotating shaft, described connecting rod is located in through hole slidably, described fixed block is provided with groove with respect to another side plate of rotating shaft, described pull bar is provided with projection outward with respect to fixed block, between described projection and groove diapire, is provided with stretched spring, described connect root be provided with can with the draw-in groove of pull bar clamping.

By adopting technique scheme, between adjacent two balls, be equipped with the roll piece that can rotate together with ball, so just reduced the friction between ball and retainer, make bearing be difficult for heating, extended the working life of bearing, because be equipped with roll piece between adjacent two balls, thereby the ball in whole bearing is all linked together, can realize together and roll and stop together, strengthened whole antiwhip, rotating component is connected to form an I-shaped structure respectively with in the middle of two connecting rods, strengthened the intensity of retainer, retainer is by two rings one, two rings two, connecting rod and roll piece connection combine, reduced material, reduced cost of production, ring one, ring two is located at respectively the both sides up and down of the axial diameter of ball, add a roll piece and two connecting rods, formed a stable framework, make ball more stably be arranged in retainer, this retainer can rotate in rotating shaft, when needs dismounting and change ball, as long as by the pull bar disengaging draw-in groove that pulls outward, then rotating support body one departs from fixed block and connecting rod, such two process support bodys are once separated with support body two, when assembling, as long as rotation support body one, connecting rod snaps in fixed block, like this at axial support body once relative with support body two fixing, pull bar also can snap in draw-in groove along connecting rod, pull bar can be stuck in draw-in groove under the effect of stretched spring always, and whole like this retainer has just firmly linked together, and whole disassembly process is convenient and simple, rotating shaft one end is all threaded with support body one, the rotating shaft the other end all removably connects with support body two, connecting rod is all threaded with ring one and ring two, when certain position of retainer is damaged, as long as so just replace ring one or ring two or connecting rod or the roll piece of damage, do not need to change whole retainer, economy is environmental protection again.

Accompanying drawing explanation

Fig. 1 is the utility model deep groove ball bearing embodiment's structural drawing;

Fig. 2 is the stereogram of fixed block;

Fig. 3 is the structural drawing of fastening;

Fig. 4 is the stereogram of retainer.

Reference character: 1, bearing outer ring; 2, bearing inner race; 3, ball; 4, retainer; 41, support body one; 42, support body two; 43, ring one; 44, ring two; 45, connecting rod; 46, roll piece; 461, rotating shaft; 462, rotor; 47, fixed block; 471, groove; 472, stretched spring; 48, fastening; 481, pull bar; 482, projection.

Embodiment

Referring to figs. 1 through Fig. 4, the utility model deep groove ball bearing embodiment is described further.

A kind of deep groove ball bearing, comprise bearing outer ring 1, bearing inner race 2, retainer 4 and ball 3, described ball 3 is fixed between bearing outer ring 1 and bearing inner race 2 by retainer 4, it is characterized in that: described retainer 4 comprises all ringwise support body 1 and support body 2 42, described support body 1 and support body 2 42 include ring 1, encircle 2 44 and the connecting rod 45 of connecting ring 1 and ring 2 44, described ring 1, encircle 2 44 all tangent with ball 3, between adjacent two balls 3, be equipped with the roll piece 46 that can rotate together with ball 3, institute's roll piece 46 comprises the rotating shaft 461 and the rotor 462 that can rotate in rotating shaft 461 that connects support body 1 and support body 2 42, described two connecting rods 45 are symmetrical arranged, described roll piece 46 is connected to form an I-shaped structure respectively with in the middle of two connecting rods 45, described rotating shaft 461 one end are all threaded with support body 1, described rotating shaft 461 the other ends all removably connect with support body 2 42, described rotating shaft 461 the other ends be equipped with for bearing shaft between fixing and support body 2 42 to fixed block 47, at least one fixed block 47 is provided with the fastening 48 with connecting rod 45 clampings.

Described connecting rod 45 is all threaded with ring 1 and ring 2 44.

Described fixed block 47 is U-shaped piece, and the opening of described fixed block 47 is towards identical, described rotating shaft 461 all with vertical being fixedly connected with of fixed block 47 side plates, described connecting rod 45 is located in fixed block 47, the diameter of described connecting rod 45 equals the distance of fixed block 47 biside plates.

Described fastening 48 is arranged on fixed block 47 another side plate with respect to rotating shaft 461, described fastening 48 comprises pull bar 481, described fixed block 47 is provided with through hole with respect to another side plate of rotating shaft 461, described connecting rod 45 is located in through hole slidably, described fixed block 47 is provided with groove 471 with respect to another side plate of rotating shaft 461, described pull bar 481 is with respect to the outer projection 482 that is provided with of fixed block 47, between described projection 482 and groove 471 diapires, be provided with stretched spring 472, described connect root be provided with can with the draw-in groove of pull bar 481 clampings.

By adopting technique scheme, between adjacent two balls 3, be equipped with the roll piece 46 that can rotate together with ball 3, so just reduced the friction between ball 3 and retainer 4, make bearing be difficult for heating, extended the working life of bearing, because be equipped with roll piece 46 between adjacent two balls 3, thereby the ball 3 in whole bearing is all linked together, can realize together and roll and stop together, strengthened whole antiwhip, rotating component is connected to form an I-shaped structure respectively with in the middle of two connecting rods 45, strengthened the intensity of retainer 4, retainer 4 is by two rings 1, two rings 2 44, connecting rod 45 and roll piece 46 connections combine, reduced material, reduced cost of production, encircle 1, encircle 2 44 both sides up and down that are located at respectively ball 3 axial diameters, add a roll piece 46 and two connecting rods 45, formed a stable framework, ball 3 is more stably arranged in retainer 4, this retainer 4 can be in the interior rotation of rotating shaft 461, when needs dismounting and change ball 3, as long as by the pull bar 481 disengaging draw-in groove that pulls outward, then rotating support body 1 departs from fixed block 47 and connecting rod 45, such two process support bodys 1 are just separated with support body 2 42, when assembling, as long as rotation support body 1, connecting rod 45 snaps in fixed block 47, just relative fixing with support body 2 42 at axial support body 1 like this, pull bar 481 also can snap in draw-in groove along connecting rod 45, pull bar 481 can be stuck in draw-in groove under the effect of stretched spring 472 always, whole like this retainer 4 has just firmly linked together, whole disassembly process is convenient and simple, rotating shaft 461 one end are all threaded with support body 1, rotating shaft 461 the other ends all removably connect with support body 2 42, connecting rod 45 is all threaded with ring 1 and ring 2 44, when certain position of retainer 4 is damaged, as long as so just replace ring 1 or ring 2 44 or connecting rod 45 or the roll piece 46 of damage, do not need to change whole retainer 4, economy is environmental protection again.

Claims (4)

1. a deep groove ball bearing, comprise bearing outer ring, bearing inner race, retainer and ball, described ball is fixed between bearing outer ring and bearing inner race by retainer, it is characterized in that: described retainer comprises all ringwise support body one and support body two, described support body one and support body two include ring one, the connecting rod of ring two and connecting ring one and ring two, described ring one, ring two is all tangent with ball, between adjacent two balls, be equipped with the roll piece that can rotate together with ball, institute's roll piece comprises connection support body one and the rotating shaft of support body two and the rotor that can rotate in rotating shaft, described two connecting rods are symmetrical arranged, described roll piece is connected to form an I-shaped structure respectively with in the middle of two connecting rods, described rotating shaft one end is all threaded with support body one, the described rotating shaft the other end all removably connects with support body two, the described rotating shaft the other end be equipped with for bearing shaft between fixing and support body two to fixed block, at least one fixed block is provided with the fastening with connecting rod clamping.

2. deep groove ball bearing according to claim 1, is characterized in that: described connecting rod is all threaded with ring one and ring two.

3. deep groove ball bearing according to claim 2, it is characterized in that: described fixed block is U-shaped piece, the opening of described fixed block is towards identical, described rotating shaft is all fixedly connected with fixed block side plate is vertical, described connecting rod is located in fixed block, and the diameter of described connecting rod equals the distance of fixed block biside plate.

4. deep groove ball bearing according to claim 3, it is characterized in that: described fastening is arranged on fixed block another side plate with respect to rotating shaft, described fastening comprises pull bar, described fixed block is provided with through hole with respect to another side plate of rotating shaft, described connecting rod is located in through hole slidably, described fixed block is provided with groove with respect to another side plate of rotating shaft, described pull bar is provided with projection outward with respect to fixed block, between described projection and groove diapire, be provided with stretched spring, described connect root be provided with can with the draw-in groove of pull bar clamping.