CN1048084A

CN1048084A - Universal bearing

Info

Publication number: CN1048084A
Application number: CN 90102405
Authority: CN
Inventors: 梁济权
Original assignee: Individual
Current assignee: Individual
Priority date: 1990-04-21
Filing date: 1990-04-21
Publication date: 1990-12-26
Also published as: CN1017179B

Abstract

The invention provides a kind of universal bearing of transmission, form by core wheel, overcoat, ball, pad and baffle plate etc., core wheel is a turriform, the other raceway of opening a circle bearing thrust of the big external diameter in bottom, the intermediate outer side is opened one and is enclosed entad raceway, and the little external diameter in top is opened left hand thread and is connected baffle plate, baffle plate also has a circle raceway, with three row rolling element bearing overcoats rotations, the core wheel baffle plate is through rolling element and the overcoat location that conditions each other, and core wheel also can be made the corresponding overcoat of revolving part as fixed block.But core wheel and overcoat be the function of double as bearing support all.Constitute universal bearing.The invention has universal careless fixing the use, and levelling capturing was adjusted operation during saving was used and installed, and the user removes stage makeup and costume conveniently, advantages such as economy and durability.

Description

Universal bearing

The invention relates to a kind of universal bearing that is used for transmission, is made of wheel stamen, overcoat, ball, pad and plate washer.

Bearing cost height of the prior art all needs equipped bearing support, and fixed-direction is installed and used.If some member defectiveness wherein, whole bearing is scrapped, and wastes bigger.

The purpose of the invention is to provide a kind of universal bearing, can be universal careless fixing with regard to use, and save the levelling capturing that uses in installing and adjusted operation.On technical pattern, make things convenient for the user to remove stage makeup and costume,, only need change a member, stopped integral body and scrapped, save materials consumption if some members have had defective.

The purpose of the invention realizes by following measure: be made up of wheel stamen, overcoat, ball, pad and plate washer.The wheel stamen is a turriform, the other garden arc rolling ball channel of opening a circle bearing thrust of the big external diameter of bottommost, and middle middle external diameter outer radial has been opened one and has been enclosed entad rolling ball channel, and the little external diameter in top is opened left hand thread and is connected with a plate washer, and a circle rolling ball channel is also arranged in the plate washer bottom.The ball bearing overcoat of installing with above-mentioned three row rotates forward or backwards.Wheel stamen plate washer is through connecting rolling element and overcoat, and the location conditions each other.But the wheel stamen is the double as revolving part also.Corresponding overcoat also can be used as fixed block.

But wheel stamen and overcoat be the function of double as bearing support all.Constitute universal bearing.

The drawing of the invention is described as follows:

Fig. 1 is that the invention package assembly is along the diameter sectional drawing.

Fig. 2 is the turriform wheel stamen side view of bearing thrust.

Fig. 3 is the sectional drawing of Fig. 2 along A-A.

Fig. 4 is the packing ring side view.

Fig. 5 is the sectional drawing of Fig. 4 along diameter.

Fig. 6 is the plate washer side view that transmits lateral force.

Fig. 7 is the sectional drawing of Fig. 6 along diameter.

Fig. 8 is the sectional drawing of the overcoat of connecting base bearing along diameter.

Below in conjunction with accompanying drawing the invention is further described: as shown in Figure 1, universal bearing (10) is by wheel stamen (20), overcoat (80), and three row balls, pad (40) and plate washer (60) are formed.In Fig. 2 and Fig. 3, wheel stamen (20) is a turriform, uniform 6 M5 holes, side (21), and function is to connect control piece, can control wheel stamen (20) running.Its internal diameter is respectively two kinds of φ 35 and M35 * 1(25), and effect is to make the turriform wheel available screw thread of stamen (20) (25) connect other part.Internal diameter is the wheel stamen of φ 35, is to be used for being slidingly matched with other part, does the pleasure boat running.The big external diameter in its outside partly, the garden arc rolling ball channel (26) of a circle bearing thrust is opened on the next door, because of the present embodiment unified specification, be decided to be each raceway and all use external diameter φ 3.175 ± 0.004mm, meet the carbon element steel ball that GB308-84 requires, raceway (26) garden arc radius R is 2.5mm, axial depth is 2.65 ± 0.04mm, adorn 52 steel balls altogether, the power working angle of transmitting is 45 ° a directed force F, and its vertical stress component and horizontal component all are F ÷

\sqrt{2}

, horizontal component acts on the garden week in wheel stamen (20) outside, equal and opposite in direction, and direction is offset mutually on the contrary.Vertical stress component is the thrust that design wheel stamen structure is born.External diameter part outer radial is opened one and is enclosed entad rolling ball channel (23) in wheel stamen (20), and garden arc radius R is 2mm, and the rolling track and radial degree of depth is 1.46 ± 0.025mm, adorns 47 steel balls altogether.It is 4mm hole (22) that a diameter phi is opened in the side, and hole depth is 4.5 ± 0.05mm, and one is listed as entad steel ball in the middle of putting into it.The chi in fixed this hole of design is only according to stop a steel ball just in wheel stamen (20) running, fills and leads up entad raceway (23) automatically.Open M39 * 1 left hand thread (24) in the little external diameter outside partly, wheel stamen (20) top, connect and bear lateral force plate washer (60), it also has the circle rolling ball channel (62) symmetrical with wheel stamen (20) raceway (26), adorn 52 steel balls of row altogether, take three row ball bearing overcoats (80), but forward or reverse, but just bi-directional torque.Fig. 4, Fig. 5 middle washer (40) thickness H can be 0.05mm; 0.08mm; 0.013mm; 0.24mm four kinds pad, allotment is selected for use during ease of assembly.As Fig. 6, shown in Figure 7 be that to transmit lateral force baffle plate (60) internal diameter be M39 * 1 left hand thread.Two handling holes (61) are opened in the side, open the thrust raceway (62) of raceway (26) same numbers of a circle and wheel stamen (20) in baffle plate (60) outside.Fig. 8 is the ad hoc overcoat (80) of controlled bi-directional torque.Uniform 12 the M6 control holes of side axial (81), function are to connect other control piece.As connecting latch, the control overcoat rotates or stops.Its inboard garden sheet bilateral symmetry is up and down respectively opened a circle rolling ball channel (81) and (82), garden arc radius R is 2mm, raceway is 0.4 ± 0.05mm deeply, open a circle in the middle of the sheet inboard, garden and hold centripetal force rolling ball channel (83), garden arc radius R is 2mm, and the degree of depth is 1.46 ± 0.025, take three row rolling ball channel tolerance fit, and the measure in the ad hoc packing ring (40) that available thickness is different in assembling regulation and control plate washer gap, make the three row balls can both be simultaneously stressed, support sleeve (80) running.

The structural mechanics principle of the invention is: shown in Figure 1 as parts drawing 2, Fig. 3, Fig. 6, Fig. 7, Fig. 8 and assembling; Wheel stamen (20) overcoat (80) and plate washer (60) have their size of raceway and the tolerance value of six arcs, and coordination all matches each other.Raceway (26) is joined (82); Raceway (23) joins (83) and raceway (81) is joined the raceway that (62) constitute three garden shapes.All put into a row rolling element.Its function one is; Make wheel stamen (20), plate washer (60) and overcoat (80) three are through the rolling element position rotating that conditions each other.Its function two is; One entad to be listed as the track of the power transmission line of direction of rolling element be a plane entad in the middle of making, and is assumed to be substantially horizontal.The power transmission line of direction of top one row rolling element is 45 ° at inclination angle.The track that this power transmission line of direction is done the bus rotation is a space multistory garden vertebra.The vertebra drift angle is 90 ° of solid angles, and vertebra drift angle direction upwards.The track of the power transmission line of direction of the rolling element of bottom one row bearing thrust also is a space multistory garden vertebra.The vertebra drift angle also is 90 °, but the vertebra drift angle is directed downwards, and the center line of the garden vertebra of two power transmission directions all designs and take turns the central lines of stamen (20).The meet plane of two garden vertebras and level be planes overlapping entad.Force transferring structure becomes the bearing that can bear universal active force like this, and at will direction is used.

The invention; The structure that bearing function and bearing support function are combined into one is: as Fig. 2,6 screws of the inboard screw of screw thread shown in Figure 3 (25) and downside (21) and 6 screws (81) shown in Figure 8 all can be used as the lower margin screw of rigid bearing running with need, constitute wheel stamen (20) and overcoat (80) like this except that making the bearing function, but functions of double as bearing support all.So this kind bearing is that multifunctional comprehensive is the function structure of bearing and bearing support the connecting base bearing of one.So do not need to join in addition bearing support in using.Purpose is to use this bearing to alleviate the gross weight that machine is made.Use the structural mechanics principle of the invention.Also can be with wheel stamen (20) and raceway (26) (23); Overcoat (80) and raceway (81) (82) (83); And plate washer (60) and raceway (62) all are deformed into the raceway of garden Ditch shape.The size of their relevant size and rolling element steel axle or draw point is all coordinated coupling.And put into steel axle or draw point, just can constitute the direction connecting base bearing of roller bearing or needle roller.More than narration is the most preferred embodiment of the invention, but in not exceeding the design scope of the invention, also other improvement and distortion can be arranged.

The invention compared with prior art has universal careless fixing the use, levelling capturing operation during saving is used and installed, and the user removes stage makeup and costume and changes easily wear-out defect spare. Simplified The fixing structure of bearing uses gross weight on this bearing manufacture the advantage such as can relatively alleviate. For example: the inventor is called the direct link direction dish power transmission shaft of wheel stamen screw thread (25) that multi-power source four-wheel vehicle uses this bearing to the number of the applying for a patent 89104793X of Patent Office of the People's Republic of China and 89213965X name in July, 1989,69 ° at the front inclination angle of its overcoat is fixed on the vehicle frame with the M6 screw, has saved bearing block. Relatively alleviate whole car weight amount.

The invention compared with prior art has universal careless fixing the use, save use install in the adjustment operation of levelling capturing, user's advantages such as changing easily the defective part of removing stage makeup and costume.

Claims

1, a kind of universal bearing, form by wheel stamen, overcoat, ball, pad and plate washer, it is characterized in that: the other raceway (26) of opening a circle bearing thrust of the big external diameter of turriform wheel stamen (20), middle external diameter outer radial is opened one and is enclosed entad raceway (23), little external diameter is opened left hand thread (24), connect baffle plate (60), plate washer (60) also has a circle raceway (62); Three row rolling element bearing overcoats (80) rotations, wheel stamen, baffle plate are taken turns stamen and also can be made revolving part through rolling element and the overcoat location that conditions each other, and overcoat is a fixed block.

2, universal bearing according to claim 1 is characterized in that taking turns stamen (20) side plane and evenly arranges 6 holes (21), and internal diameter has screw thread (25) to connect other part.

3, universal bearing according to claim 1 is characterized in that taking turns the middle external diameter of stamen (20) side and opens a hole (22), and one is listed as entad rolling element in the middle of being used for putting into.

4, universal bearing according to claim 3, the power transmission direction angle that it is characterized in that taking turns the thrust raceway (26) on the stamen (20) are inclination angle 45 degree.

5, universal bearing according to claim 1 is characterized in that overcoat (80) side axial evenly arranges 12 control holes (81), and the inboard garden of overcoat (80) sheet bilateral symmetry is up and down respectively opened a circle rolling ball channel (81) and (82).

6, universal bearing according to claim 5, it is characterized in that overcoat (80) 12 control holes in side (81) are screw, the garden arc radius R of rolling ball channel (81) and (82) is 2mm, raceway is 0.4 ± 0.05mm deeply, open a circle in the middle of the sheet inboard, garden and bear centripetal force rolling ball channel (83), garden arc radius R is 2mm, and the degree of depth is 1.46 ± 0.025mm.