CN202091353U

CN202091353U - Ball bearing

Info

Publication number: CN202091353U
Application number: CN2011200538533U
Authority: CN
Inventors: 陈明祐
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-03-03
Filing date: 2011-03-03
Publication date: 2011-12-28
Anticipated expiration: 2021-03-03

Abstract

The utility model mainly provides a ball bearing, it includes: an outer ring seat, wherein a radial convex separation edge is integrally formed at a preset part of the inner edge wall of the outer ring seat; an inner ring seat is sleeved in the outer ring seat, and the outer edge wall of the inner ring seat, the inner edge of the outer ring seat and the partition edge form two axially arranged groove-shaped compartments together; two ball groups, which are a group of a plurality of balls made of plastic materials and are respectively arranged in each compartment; a bottom ring seat, which is arranged at the bottom edge of the outer ring seat in a propping manner, the inner edge of the bottom ring seat is embedded in the outer diameter edge below the inner ring seat, and each ball is wrapped in the bottom ring seat; by means of the above components, the design of the partition edge which is formed integrally without assembling a holding seat is combined with the application of the plastic ball, so that the components are simplified, the cost is reduced, the effect of light weight is achieved, and the generation of rust of the ball is prevented.

Description

Ball bearing

Technical field

The utility model particularly instigates to be used for ball bearing relevant for a kind of bearing structure, with the design of no retainer, and the ball bearing of using in conjunction with the plastic material ball.

Background technique

Bearing mainly is installed between a part and the pedestal, utilizes bearing can locate on the one hand, and the function of relative movement is provided on the other hand, makes a part can do rotation swimmingly on pedestal; Utilize the setting of bearing, more can bear two member relative movement produce the load that it comprises axially and radially waits respectively.

The structure of bearing is distinguished to make flowing mode, can be divided into rolling type and sliding type, and wherein rolling type is meant the relative movement of two counterparts, is by rolling, thus be referred to as rolling bearing, as ball bearing etc.; Sliding type is meant the relative movement of two counterparts, is to make the two with sliding contact and cooperate and to add lubricant, and a kind of shearing action that produces then belongs to the sliding bearing class, as shaft bearing etc.

Element with bearings with rolling contact includes interior ring (inner race), outer shroud (outer race), holder (retainer) and ball or roller; Then between its axle and sleeve, rolling element and holder are not to provide lubricated effect by lubricant oil to shaft bearing fully.

At ball bearing, its advantage is that means of rolling belongs to low-frictional force, accuracy is higher, noise is little, can bear simultaneously and radially reach thrust load, and has less, the axial characteristic such as also less that takes up room of suitable overload capacity, starting torque.

Press, prior art bearings with rolling contact structure, as No. 96210431 novel patent of TaiWan, China disclosed " inner bearing structure-improved ", comprise: an inner sleeve, this inner sleeve is provided with inner ring wall and collar wall, these collar wall two ends respectively are provided with groove, and the collar wall between this two groove is provided with crowning; One outer sleeve, this outer sleeve is provided with inner ring wall and collar wall, and these inner ring wall two ends respectively are provided with groove, the mutual corresponding matching of groove at this two groove and these inner sleeve collar wall two ends; And two ball external member, this ball external member includes several balls and at least one retainer, this retainer is provided with several depressed parts, and this ball is put into the depressed part of retainer, and the ball of this ball external member is placed in the groove of inner sleeve and the mutual corresponding matching of outer sleeve again; Whereby, have assembling of being easy to and stability of rotation person to form bearing, to make.

Other has a kind of ball bearing, as No. 96219202 novel patent of TaiWan, China disclosed " the retainer structure of ball bearing ", it is a ring structure body, can be provided with the compartment of terrain respectively for several balls, and the rolling motion of do expection in ball bearing, retainer includes: several spacer portion, it has an interior edge face and an exterior edge face, the bi-side of these spacer portion respectively are formed with a contact inclined-plane, this contact inclined-plane and this interior edge face form a wall thickness angle, and this wall thickness angle is between the 60-85 degree.

Aforementioned two ball bearings, all accessory has the design bearing of holder, former structure is that this retainer is provided with several depressed parts, and this ball is a depressed part of putting into retainer, and the ball of this ball external member is placed in the groove of inner sleeve and the mutual corresponding matching of outer sleeve again; Latter's structure then improves at the holder structure, and wherein this retainer includes several spacer portion, and spacer portion is formed with the contact inclined-plane, and contact inclined-plane and interior edge face form a wall thickness angle between 60～85 degree; Just, the utility model is improved at not having a rolling bearing structure of holder design.

Other has a kind of bearing structure of not having a holder, as No. 090222869 novel patent of TaiWan, China disclosed " simple and easy oblique crank Z holds ", is made up of the outer ring that ring in one and is set combination for interior ring; Wherein, ring forms an axis hole in axis part in this, is arranged with an annular caulking groove in the wherein end of outer ring surface; This outer ring forms an embedding hole of setting for interior ring in axis part, is convexly equipped with a circle for the support ring of interior ring caulking groove against the location in the internal ring wall of outer ring; And the outer ring surface of ring and the internal ring wall of this outer ring in being somebody's turn to do utilize the protruding annular protruding rib person of leaning of at least one circle.

In the said structure, be to belong to not having a bearing structure of holder, integrally formed this annular protruding rib outside the ring contacts with the internal ring wall of this outer ring so as to a way of contact in this; Only, this structure still belongs to the bearing of sliding type, can't reach the rolling bearing low-frictional force, accuracy is higher, noise is little, can bear simultaneously and radially reach thrust load, and has characteristics such as suitable overload capacity, starting torque be less; So the present utility model people provides and a kind ofly need not to be provided with retainer and still have the rolling bearing characteristic, and the rolling bearing structure of using in conjunction with the plastic material ball.

The model utility content

Main purpose of the present utility model is promptly providing a kind of ball bearing, is to use with the ball of plastic material, can reach effect antirust, light weight, is fit to be used in axostylus axostyle and bearing support member in the water.

Of the present utility model time a purpose is promptly providing a kind of ball bearing, need not to assemble the structural design that keeps seat, can simplify member and assembly flow process, and then reduces manufacture cost.

A purpose more of the present utility model is promptly providing a kind of ball bearing, for need not to assemble the rolling bearing structure that keeps seat, so it has the rolling bearing low-frictional force, accuracy is higher, noise is little, can bear simultaneously and radially reach thrust load, and have characteristics such as suitable overload capacity, starting torque be less.

In view of this, the disclosed a kind of ball bearing of the utility model, it includes: an outer ring seat, be the hollow ring pedestal, its inner rim wall is formed with of convex radially every edge; An interior ring seat is sheathed on the hollow ring pedestal in this outer ring seat, its perimeter wall and inner edge that should outer ring seat, and should form two compartments of axially-aligned tank shape jointly every edge, and ring seat top is provided with of extending towards outer radial and seals edge in this; At least two ball set are to be one group with plurality of balls, are located at respectively respectively in this compartment; A base ring seat, for supporting the ring bodies of being located at this outer ring seat root edge place, its inner rim is embedded at external diameter edge default position in ring seat below in this, and respectively this ball set coats in it.

When this base ring cover for seat is located on this interior ring seat, this this caulking groove of base ring seat inner edge portion inlay card.

The beneficial effects of the utility model are: by above-mentioned member, utilize integrally formed should the design every the compartment of edge, it need not group and establishes the maintenance seat, and in conjunction with the respectively application of this ball of plasticity, can make the simplification member, reduce cost, and reach light-weighted effect, prevent the generation that ball gets rusty simultaneously.

Description of drawings

Fig. 1 is the stereo appearance figure of the utility model one preferred embodiment.

Fig. 2 is the three-dimensional exploded view of the utility model one preferred embodiment.

Fig. 3 is the section plan of the utility model one preferred embodiment.

Fig. 4 is the utility model plan cross-section schematic representation of an embodiment again.

Fig. 5 is another embodiment's of the utility model a plan cross-section schematic representation.

[primary component symbol description]

[the utility model]

Outer ring seat 10 spacer ring seats 30

Every edge 11 ball set 40

Interior ring seat 20 first ball set 41

Sealing edge 21 second ball set 42

Caulking groove 22 first turn groups 43

Compartment 23 second turn groups 44

First compartment, 231 base ring seats 50

Second compartment, 232 oblique embedding faces 51

The 3rd compartment 233

Embodiment

At first please refer to Fig. 1 to Fig. 3, a kind of ball bearing provided by the utility model, it includes: an outer ring seat 10, be located at ring seat 20, a spacer ring seat 30, three ball set 40 and a base ring seat 50 in one in this outer ring seat 10.

Should outer ring seat 10, be to be the hollow ring pedestal, its inner rim wall preset the position be formed with convex radially one every edge 11.

Ring seat 20 in being somebody's turn to do is sheathed on the hollow ring pedestal in this outer ring seat 10, and its top is provided with towards one of outer radial extension and seals edge 21; Should preset the caulking groove 22 that the position is provided with the groove shape in interior ring seat 20 belows, default face is the inclined-plane in its groove.

This spacer ring seat 30 is located at respectively between this inside and outside

ring seat

10,20, and be positioned at the top should be every edge 11 common three compartments 23 that form axially-aligned tank shapes; This compartment is divided into one first compartment 231, one second compartment 232 and one the 3rd compartment 233; This first compartment 231 be with respectively should outer ring seat 10 inner edges, interior ring seat 20 outer rims, every edge 11 and seal edge 21) formation that encloses jointly; This second compartment 232 be with respectively should outer ring seat 10 inner edges, interior ring seat 20 outer rims, every

edge

11 and 30 formation that apical margin encloses jointly of spacer ring seat; The 3rd every 233 be with respectively should outside ring seat 10 inner edges, interior ring seat 20 outer rims, spacer ring seat 30 root edges and 50 formation that apical margin encloses jointly of base ring seat.

Respectively this ball set 40 is the application of plastic material, is one group with plurality of balls, is located at respectively respectively in this compartment 23; This ball set 40 has one first ball set 41, one second ball set 42 and one first turn group 43, respectively this first, second ball set 41,42 and the first turn group 43 are located in respectively respectively in this first, second, third compartment 231,232,233, and can roll in it.

This base ring seat 50, for supporting the ring bodies of being located at these outer ring seat 10 root edge places, its inner rim is embedded at the default position of ring seat 20 below external diameter edge in this, and respectively this ball set 50 coats in it; These base ring seat 50 its inner rim ancient piece of jade, round, flat and with a hole in its centres are embedding inclined-planes 51 that are default gradient; This embedding inclined-plane 51 connects the relative position of establishing with this caulking groove 22 and also is the inclined-plane that can match.

By above-mentioned member, utilize integrally formed compartment design of being somebody's turn to do every edge 11, it need not group and establishes the maintenance seat, and in conjunction with the respectively application of this ball set 40 of plasticity, can make the simplification member, reduce cost, and reach light-weighted effect, prevents the generation that ball gets rusty simultaneously.

By for further understand the utility model structure characteristics, application technology means and the effect reached of expection, now the utility model usage mode is described below:

Establish for of the present utility model group, at first this first ball set 41 is placed this every the edge top, should interior ring seat 20 from top to bottom be sheathed in this outer ring seat 10 again, this moment respectively should outer ring seat 10 inner edges, interior ring seat 20 outer rims, enclose this first compartment 231 of formation jointly every

edge

11 and 21 at edge of sealing, and 41 of this first ball set are in this first compartment 231; Then place this every the edge below this second ball set 42 by the below, be located in this compartment 11 of 10,20 of this inside and outside ring seats respectively by the below with this spacer ring seat 30 again, this moment respectively should outer ring seat 10 inner edges, interior ring seat 20 outer rims, enclose this second compartment 232 of formation jointly every edge 11 and spacer ring seat 30 apical margins, and 42 of this second ball set are in this second compartment 232; By the below 43 groups of this first turn groups are placed this spacer ring seat 30 belows then, it is embedded in this caulking groove 22 with this base ring seat 50 again, respectively be somebody's turn to do outer ring seat 10 inner edges, interior ring seat 20 outer rims, spacer ring seat 30 root edges and base ring seat 50 apical margins and enclose formation the 3rd compartment 233 jointly this moment, provide this first turn group 43 to be installed with in it, then group is established and is finished.

The utility model utilize integrally formed should every edge 11 should outside ring seat 10, cooperate and have the interior ring seat 20 of being somebody's turn to do of this sealing edge 21, and be located at this spacer ring seat 30 in this compartment 23, outside then will respectively being somebody's turn to do,

interior ring seat

10,20 separate is three compartments 23, again respectively will be respectively this first, second, the

first turn group

41,42,43 are located at respectively the design in this compartment 23, then need not use the setting of holder, thereby need not consider precision matching requirements and requirement between holder and ball, simultaneously can simplify holder and ball, and holder and respectively should outside, assembly flow process between interior ring seat can reduce on manufacture cost greatly.

The utility model does not have the ball bearing of holder, except that the use of having simplified holder, cooperates the application of this ball set 40 with plastic material, then further can be with the solid bearing lightweight; Moreover the ball of plastic material has rustless characteristic again, makes on the axle part and pedestal structure of the utility model applicable to the regular contact wetting of palpus.

The utility model respectively this oblique embedding face 51 and caulking groove 22 under the constant condition of these base ring seat 50 thickness, can make respectively this oblique embedding face 51 and the increase of caulking groove 22 area of contact with inclined-plane contact design, makes locating effect more firm; In addition, the utility model is to need not to assemble the rolling bearing structure that keeps seat, so it still has the distinctive low-frictional force of rolling bearing, accuracy is higher, noise is little, can bear simultaneously and radially reach thrust load, and have characteristics such as suitable overload capacity, starting torque be less.

Please refer to Fig. 4, be another embodiment of the utility model, be the enforcement pattern of this compartment 23 with two compartment designs, wherein this spacer ring seat 30 can not must use, only utilize and should this compartment 23 be divided into two every edge 11, separating is one first compartment 231 and one second compartment 232; This ball set 40 has one first ball set 41 and one second ball set 42, and respectively this first, second ball set 41,42 is located in respectively respectively in this first, second compartment 231,232, and can roll in it; This first compartment 231 is respectively to be somebody's turn to do outer ring seat 10 inner edges, interior ring seat 20 outer rims, to enclose formation jointly every

edge

11 and 21 at edge of sealing; This second compartment 232 be with respectively should outer ring seat 10 inner edges, interior ring seat 20 outer rims, every

edge

11 and 50 formation that apical margin encloses jointly of base ring seat.

This structure has lightweight, the effect such as antirust equally except that aforementioned, has further simplified the group of this spacer ring seat 30 to establish, so in having more low-cost benefit on the assembly process and on the member.

Please refer to Fig. 5, be the utility model embodiment again, be the enforcement pattern of this compartment 23 with four compartment designs, wherein this spacer ring spare 30 is to be arranged in this compartment 23 with two, in conjunction with the design that should further this compartment 23 be divided into one first compartment 231, one second compartment 232, one the 3rd compartment 233 and one the 4th compartment 234 every 11 at edge; This ball set 40 has one first ball set 41, one second ball set 42, one first turn group 43 and one second turn group 44, respectively this first, second ball set 41,42 and first, second turn group 43,44 are located in respectively respectively in this first, second, third, fourth compartment 231,232,233,234, and can roll in it; This enforcement pattern has aforesaid effect equally.

The variation of these compartment 23 quantity of the utility model can be established according to the group that this spacer ring 30 is added or reduced to design requirement, cooperates this ball set 40 suitably to increase and decrease and is located in this interval, makes the utility model overall structure have the elasticity on the design requirement on using.

Comprehensively above-mentioned, the disclosed ball bearing of the utility model, provide a kind of ball of plastic material, in conjunction with ball bearing that need not holder, utilize integrally formed should adding outside respectively being somebody's turn to do every edge and spacer ring seat, between interior ring seat, to form some compartments of axially-aligned, the position that provides this ball set to be installed with, can reduce manufacture cost so as to reaching, the tool waterproof is antirust simultaneously, in design, be rich in flexible application, and obtain the high ball bearing of a practicability, in order to do making whole really tool industrial applicability and cost benefit, and it constitutes structure and had not seen all books and periodicals or public use again, really meet novel patent application important document, earnestly ask an ancient unit of weight office explicit example for reference, grant a patent early, most sense is prayed.

Need Chen Mingzhe, the above is specific embodiment of the utility model and the know-why used, if comply with the change that conception of the present utility model is done, when the function that it produced does not exceed specification and graphic contain spiritual yet, all should in scope of the present utility model, close and give Chen Ming.

Claims

1. A ball bearing, characterized in that it comprises:

An outer ring seat in the form of a hollow ring seat, the inner wall of which is integrally formed with a radially convex partition;

An inner ring seat, a hollow ring seat body sleeved in the outer ring seat, the outer wall of the outer ring seat, the inner edge of the outer ring seat, and the partition jointly form two compartments arranged axially in the shape of a groove, A sealing edge extending radially outward is provided above the inner ring seat;

at least two sets of balls, each set of balls, located in each of the compartments;

A bottom ring seat is a ring-shaped body abutted against the bottom edge of the outer ring seat, and its inner edge is embedded in a preset position of the outer diameter edge under the inner ring seat, and wraps each of the ball groups inside it.

2. The ball bearing according to claim 1, wherein each of the balls is made of plastic material.

3. The ball bearing according to claim 1, wherein the compartment is divided into a first compartment and a second compartment; the ball set has a first ball set and a second ball set, each The first and second ball sets are respectively accommodated in the first and second compartments and can roll therein.

4. The ball bearing according to claim 3, wherein the first compartment is formed by the inner edge of the outer ring seat, the outer edge of the inner ring seat, the partition edge, and the sealing edge.

5. The ball bearing according to claim 3, wherein the second compartment is formed by the inner edge of the outer ring seat, the outer edge of the inner ring seat, the spacer, and the top edge of the bottom ring seat. .

6. The ball bearing according to claim 1, characterized in that: it further comprises at least one spacer seat, which is arranged between each of the inner and outer ring seats, and is connected to each of the spacers and the outer ring located above The seats together form three compartments arranged axially in the shape of a cuvette.

7. The ball bearing according to claim 6, wherein the compartment is divided into a first compartment, a second compartment, and a third compartment; the ball set has a first ball set, A second ball group, each of the first and second ball groups is respectively accommodated in each of the first and second compartments, and can roll in it; a first rotating group is accommodated in the third compartment.

8. The ball bearing according to claim 7, wherein the second compartment is formed by the inner edge of the outer ring seat, the outer edge of the inner ring seat, the spacer, and the top edge of the spacer seat .

9. The ball bearing according to claim 7, wherein the third compartment is shared by the inner edge of the outer ring seat, the outer edge of the inner ring seat, the bottom edge of the spacer ring seat, and the top edge of the bottom ring seat. Surrounded by formation.

10. The ball bearing according to claim 1, characterized in that: a groove-shaped slot is provided under the inner ring seat, and when the bottom ring seat is sleeved on the inner ring seat, the inner ring seat of the bottom ring seat The edge is embedded in the slot.

11. The ball bearing according to claim 10, characterized in that: the inner wall of the bottom ring seat is an embedding slope with a preset slope; the opposite part of the embedding groove and the embedding slope is also matched slope.