CN111059153A

CN111059153A - Miniature bearing

Info

Publication number: CN111059153A
Application number: CN201911166044.0A
Authority: CN
Inventors: 赵青华; 李治良
Original assignee: Hunan Meibeida Technology Co ltd
Current assignee: Hunan Meibeida Technology Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-04-24

Abstract

The invention discloses a miniature bearing, which relates to the technical field of bearings and comprises a first bearing outer ring, wherein a second bearing outer ring is arranged on the left side wall of the first bearing outer ring, and an isolation layer is arranged between the first bearing outer ring and the second bearing outer ring. This miniature bearing is through setting up bearing inner race one, bearing inner race two, bearing inner race and connecting rod, can make bearing inner race one and bearing inner race two can rotate, through setting up the fixed orifices, miniature bolt and screw hole, can fix connecting rod and bearing inner race through miniature bolt, thereby guarantee its stability, can not appear becoming flexible, through setting up the oil feed tank, the apparatus further comprises a rotating shaft, the apron, recess and fixed block, can refuel the inside of bearing inner race one and bearing inner race two, thereby reduce inside friction, favourable rather than rotate, through setting up the stationary blade, can be with the outer wall fixed connection of bearing inner race in the inner wall of stationary blade, thereby can make things convenient for it to carry out bidirectional rotation, can dismantle as required simultaneously.

Description

Miniature bearing

Technical Field

The invention relates to the technical field of bearings, in particular to a miniature bearing.

Background

The bearing is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the coefficient of friction in its motion to guarantee its gyration precision, early linear motion bearing form is that a row of wooden poles is put under a row of pinch plates. Modern linear motion bearings use the same principle of operation, except that balls are sometimes used instead of rollers. The simplest slew bearing is a sleeve bearing, which is simply a bushing sandwiched between the wheel and axle. The design is replaced by a rolling bearing, namely a plurality of cylindrical rollers are used for replacing the original bushing, each rolling body is like an independent wheel, the bearing industry in China is developed rapidly, the bearing varieties are reduced from small to large, the product quality and the technical level are from low to high, the industry scale is from small to large, and a professional production system with complete product types and reasonable production layout is formed.

The size of bearing has the multiple, miniature bearing wherein is used for various micro motor, fields such as precision instrument, miniature bearing requires high rotational speed usually, the low noise, the power of driving motor is usually not very big, CN 202628833U patent has proposed the not inseparable problem of interlock between bearing inner race and the axle, but not perfect enough of its problem solution, still more problem and defect, current micro motor mostly can not carry out the bidirectional rotation, and inconvenient when refueling for the bearing, need open the bearing shield and refuel, inconvenient operation, and cause the not inseparable interlock between bearing inner race and the axle during rotatory easily, certain phenomenon of skidding appears, cause the waste of motor output.

Disclosure of Invention

The invention aims to provide a miniature bearing, which comprises a first bearing outer ring, wherein a second bearing outer ring is arranged on the left side wall of the first bearing outer ring, an isolation layer is arranged between the first bearing outer ring and the second bearing outer ring, fixing pieces are fixedly connected to the left side wall and the right side wall of the isolation layer, inner rings are respectively arranged inside the first bearing outer ring and the second bearing outer ring, the fixing pieces are fixedly connected with the outer side wall of the inner ring, balls are slidably connected to the side wall of the inner ring, fixing clamping plates are rotatably connected to the outer surfaces of the balls, fixing bolts are connected to the surface threads of the fixing clamping plates, oil inlet grooves are respectively formed inside the first bearing outer ring and the second bearing outer ring, a rotating shaft is fixedly connected to one end, away from the balls, of each oil inlet groove, a cover plate is fixedly hinged to the, and grooves are formed in the outer side surfaces of the bearing outer ring I and the bearing outer ring II.

Optionally, the outer surfaces of the first bearing outer ring and the second bearing outer ring are provided with guide grooves, the guide grooves are formed in the outer side walls of the first bearing outer ring and the second bearing outer ring, and the first bearing outer ring and the second bearing outer ring can be guided by the technical scheme, so that the first bearing outer ring and the second bearing outer ring are prevented from deviating.

Optionally, the fixing holes are formed in the bearing outer ring I and the bearing outer ring II, the threaded holes are formed in the bearing inner ring, the micro bolts are connected to the inner threads of the threaded holes, and according to the technical scheme, the connecting rod can be fixed through the micro bolts to prevent the connecting rod from being not tightly meshed.

Optionally, the adaptation groove has been seted up to the inside of bearing inner race, and the adaptation groove is regular hexagon, and the inside in adaptation groove is provided with the connecting rod, through this technical scheme, can make connecting rod and bearing inner race carry out inseparable interlock, the phenomenon that skids can not appear.

Optionally, the tangent plane fixedly connected with dust guard of bearing inner race, and the edge of dust guard and the inner wall contactless of bearing inner race one, through this technical scheme, can prevent dust bearing inner race one and bearing inner race two's inside to keep bearing inner race one and bearing inner race two inside clean facilitate the use.

Optionally, the surface of the fixing block is made of rubber materials, the groove is matched with the fixing block, and by means of the technical scheme, oil is conveniently added to the inner portions of the bearing outer ring I and the bearing outer ring II, so that lubrication of the balls is guaranteed, and friction force among the bearing outer ring I, the bearing inner ring and the balls is reduced.

Optionally, the length value of the micro bolt is smaller than the vertical length value from the adapting groove to the outer side wall of the bearing inner ring.

Compared with the prior art, the micro bearing has the following beneficial effects:

1. the invention can enable the bearing outer ring I and the bearing outer ring II to rotate by arranging the bearing outer ring I, the bearing outer ring II, the bearing inner ring and the connecting rod, and can realize the purpose of improving the bearing performance of the bearing by arranging the isolating layer and the fixing sheet, the bearing outer ring I and the bearing outer ring II can rotate relatively without mutual influence, the connecting rod and the bearing inner ring can be fixed through the micro bolt by arranging the fixing hole, the micro bolt and the threaded hole, thereby ensuring the stability of the bearing, avoiding looseness, and oiling the inner parts of the bearing outer ring I and the bearing outer ring II by arranging the oil inlet groove, the rotating shaft, the cover plate, the groove and the fixing block, the bearing inner ring is provided with a fixing piece, and the outer wall of the bearing inner ring can be fixedly connected with the inner wall of the fixing piece, so that the bearing inner ring can conveniently rotate in two directions and can be detached as required.

2. According to the technical scheme, the outer surfaces of the bearing outer ring I and the bearing outer ring II are respectively provided with the guide groove, the guide grooves are arranged on the outer side walls of the bearing outer ring I and the bearing outer ring II, the bearing outer ring I and the bearing outer ring II can be guided, so that the bearing outer ring I and the bearing outer ring II are prevented from deviating, the inner parts of the bearing outer ring I and the bearing outer ring II are respectively provided with the fixing holes, the inner part of the bearing inner ring is provided with the threaded hole, the inner part of the threaded hole is in threaded connection with the micro bolt, the connecting rod can be fixed through the micro bolt, the connecting rod is prevented from being not tightly occluded, the inner part of the bearing inner ring is provided with the adaptive groove, the adaptive groove is in a regular hexagon shape, and the connecting rod is arranged in the adaptive groove, and the connecting rod and the bearing inner ring can be, the slipping phenomenon can not occur, the dustproof plate is fixedly connected with the tangent plane of the bearing inner ring, the edge of the dustproof plate is not contacted with the inner wall of the bearing outer ring I, through the technical scheme, the interior of the bearing outer ring I and the interior of the bearing outer ring II can be prevented from dust, the interior of the bearing outer ring I and the interior of the bearing outer ring II are kept clean and convenient to use, through the technical scheme, the surface of the fixing block is made of rubber materials, the groove is matched with the fixing block, through the technical scheme, the interior of the bearing outer ring I and the interior of the bearing outer ring II are conveniently oiled, the lubrication of the balls is ensured, the friction force among the bearing outer ring I, the bearing inner ring and the balls is reduced, through the technical scheme, the length value of the micro bolt is smaller than the vertical length value from the matching groove to the outer side wall of the bearing inner ring, the ball cannot touch the micro bolt, so that the safe operation of the micro bolt is ensured.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view taken at A of FIG. 2 according to the present invention;

FIG. 4 is a view of the position of the dust guard of the present invention;

FIG. 5 is a perspective view of an isolation layer of the present invention;

FIG. 6 is an enlarged view of the invention at B in FIG. 2.

In the figure: 1-bearing outer ring I, 2-bearing outer ring II, 3-bearing inner ring, 4-connecting rod, 5-fixing hole, 6-micro bolt, 7-guide groove, 8-isolation layer, 9-ball, 11-fixing clamping plate, 12-fixing bolt, 13-oil inlet groove, 14-rotating shaft, 15-cover plate, 16-groove, 17-fixing block, 18-adapting groove, 19-dust guard, 20-fixing piece and 23-threaded hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a miniature bearing comprises a bearing outer ring I1, a bearing outer ring II 2 is arranged on the left side wall of the bearing outer ring I1, guide grooves 7 are formed in the outer surfaces of the bearing outer ring I1 and the bearing outer ring II 2, the guide grooves 7 are formed in the outer side walls of the bearing outer ring I1 and the bearing outer ring II 2, by the technical scheme, the bearing outer ring I1 and the bearing outer ring II 2 can be guided, so that the bearing outer ring I1 and the bearing outer ring II 2 are prevented from deviating, fixing holes 5 are formed in the bearing outer ring I1 and the bearing outer ring II 2, threaded holes 23 are formed in the bearing inner ring 3, miniature bolts 6 are connected to the internal threads of the threaded holes 23, by the technical scheme, connecting rods 4 can be fixed through the miniature bolts 6, the meshing of the connecting rods is prevented from being not tight, the length value of the miniature bolts 6 is smaller than the vertical value from an adaptation groove 18 to, through this technical scheme, when bearing inner race 1 and bearing inner race two 2 rotate, can not make ball 9 touch miniature bolt 6, thereby ensure its safe operation, be provided with isolation layer 8 between bearing inner race 1 and the bearing inner race two 2, the equal fixedly connected with stationary blade 20 of lateral wall about isolation layer 8, bearing inner race 3 is all gone up with bearing inner race two 2's inside to bearing inner race 1, adaptation groove 18 has been seted up to bearing inner race 3's inside, adaptation groove 18 is regular hexagon, and the inside in adaptation groove 18 is provided with connecting rod 4, through this technical scheme, can make connecting rod 4 and bearing inner race 3 carry out inseparable interlock, the phenomenon of skidding can not appear.

The tangent plane of the bearing inner ring 3 is fixedly connected with a dust guard 19, the edge of the dust guard 19 is not contacted with the inner wall of the bearing outer ring 1, through the technical scheme, the interior of the bearing outer ring 1 and the interior of the bearing outer ring 2 can be protected against dust, so that the interior of the bearing outer ring 1 and the interior of the bearing outer ring 2 are kept clean and convenient to use, a fixing piece 20 is fixedly connected with the outer side wall of the bearing inner ring 3, the side wall of the bearing inner ring 3 is slidably connected with a ball 9, the outer surface of the ball 9 is rotatably connected with a fixing clamp plate 11, the surface of the fixing clamp plate 11 is in threaded connection with a fixing bolt 12, oil inlet grooves 13 are respectively formed in the interior of the bearing outer ring 1 and the interior of the bearing outer ring 2, one ends, far away from the ball 9, of the oil inlet grooves 13 are fixedly connected with a rotating shaft 14, and recess 16 and fixed block 17 looks adaptation, through this technical scheme, conveniently refuel the inside of bearing inner race 1 and bearing inner race 2 to ensure ball 9's lubrication, reduce the frictional force between bearing inner race 3 and the ball 9, recess 16 is all seted up to bearing inner race 1 and the lateral surface of bearing inner race 2.

The working principle is as follows:

during the use, stretch into the inside of screw hole 23 with miniature bolt 6, contact and extrude miniature bolt 6 and connecting rod 4, through isolation layer 8 and stationary blade 20, can connect bearing inner race one 1 and bearing inner race two 2, thereby can make bearing inner race one 1 and bearing inner race two 2 carry out two-way rotation, through oil feed tank 13, pivot 14, apron 15 and recess 16, can refuel bearing inner race one 1 and bearing inner race two 2's inside, lubricate the processing to it, make things convenient for it to refuel, through setting up dust guard 19, can carry out dustproof processing to bearing inner race one 1 and bearing inner race two 2's inside.

Claims

1. The utility model provides a miniature bearing, includes bearing inner race (1), its characterized in that: the bearing outer ring comprises a bearing outer ring I (1), a bearing outer ring II (2) is arranged on the left side wall of the bearing outer ring I (1), an isolation layer (8) is arranged between the bearing outer ring I (1) and the bearing outer ring II (2), fixing pieces (20) are fixedly connected to the left side wall and the right side wall of the isolation layer (8), bearing inner rings (3) are arranged inside the bearing outer ring I (1) and the bearing outer ring II (2), the fixing pieces (20) are fixedly connected with the outer side wall of the bearing inner ring (3), balls (9) are slidably connected to the side wall of the bearing inner ring (3), a fixing clamp plate (11) is rotatably connected to the outer surface of the balls (9), a fixing bolt (12) is connected to the surface of the fixing clamp plate (11) in a threaded mode, oil inlet grooves (13) are formed in the bearing outer ring I (1) and the bearing outer ring II (2), and, the outer fixed surface of pivot (14) articulates there is apron (15), the one end fixedly connected with fixed block (17) of pivot (14) are kept away from in apron (15), recess (16) are all seted up to the lateral surface of bearing inner race (1) and bearing inner race (2).

2. A micro-bearing according to claim 1, wherein: the outer surfaces of the first bearing outer ring (1) and the second bearing outer ring (2) are provided with guide grooves (7), and the guide grooves (7) are arranged on the outer side walls of the first bearing outer ring (1) and the second bearing outer ring (2).

3. A micro-bearing according to claim 1, wherein: the bearing inner ring (3) is provided with a bearing outer ring I (1) and a bearing outer ring II (2) which are internally provided with fixing holes (5), and the bearing inner ring (3) is internally provided with a threaded hole (23), and the threaded hole (23) is internally and threadedly connected with a micro bolt (6).

4. A micro-bearing according to claim 1, wherein: the bearing inner ring (3) is internally provided with an adaptive groove (18), the adaptive groove (18) is in a regular hexagon shape, and the adaptive groove (18) is internally provided with a connecting rod (4).

5. A micro-bearing according to claim 1, wherein: the tangent plane fixedly connected with dust guard (19) of bearing inner race (3), and the edge of dust guard (19) and the inner wall of bearing outer race (1) contactless.

6. A micro-bearing according to claim 1, wherein: the surface of the fixing block (17) is made of rubber materials, and the groove (16) is matched with the fixing block (17).

7. A micro-bearing according to claim 1, wherein: the length value of the micro bolt (6) is smaller than the vertical length value from the adapting groove (18) to the outer side wall of the bearing inner ring (3).