CN209800531U

CN209800531U - Rotary machine core

Info

Publication number: CN209800531U
Application number: CN201920492568.8U
Authority: CN
Inventors: 魏少樱; 李笋
Original assignee: Shenzhen Bao Long Long Technology Co Ltd
Current assignee: Shenzhen Bao Long Long Technology Co Ltd
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2019-12-17
Anticipated expiration: 2029-04-10

Abstract

the utility model discloses a rotary machine core, which comprises a top disc, a base and a rotating assembly arranged between the top disc and the base; the rotating assembly comprises a gear ring coaxially and fixedly connected below the top disc, a support ring coaxially and fixedly connected above the base, and balls arranged between the support ring and the gear ring; a bearing groove is formed in one side, close to the top disc, of the base, a step portion is arranged in the bearing groove, the step portion divides the bearing groove into a first bearing groove and a second bearing groove, the first bearing groove is located above the second bearing groove, a first bearing is installed in the first bearing groove, and a second bearing is installed in the second bearing groove; the side that the top dish is close to the base is equipped with first bearing reference column and second bearing reference column, and the second bearing reference column is located the outer end of first bearing reference column. The utility model provides the high concentricity of rotatory core, it is more smooth rotatory, avoided the card to pause and the problem of shake. In addition, balls are arranged between the support ring and the gear ring, so that the carrying capacity of the top disc is stronger, and the rotation is more labor-saving.

Description

Rotary machine core

Technical Field

The utility model relates to a revolution mechanic, the more specifically rotatory core that says so.

Background

At present, a rotary movement for product display or three-dimensional shooting has no central shaft connecting point, the concentricity is insufficient, the problems of friction shake, blocking and the like easily occur during rotation, and the problems of complex assembly and low assembly precision also exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a rotatory core.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a rotary machine core comprises a top disc, a base and a rotating assembly arranged between the top disc and the base; the rotating assembly comprises a gear ring coaxially and fixedly connected below the top disc, a support ring coaxially and fixedly connected above the base, and balls arranged between the support ring and the gear ring; a bearing groove is formed in one side, close to the top disc, of the base, a step portion is arranged in the bearing groove, the bearing groove is divided into a first bearing groove and a second bearing groove by the step portion, the first bearing groove is located above the second bearing groove, a first bearing is installed in the first bearing groove, and a second bearing is installed in the second bearing groove; the top plate is close to one side of the base is provided with a first bearing positioning column and a second bearing positioning column, and the second bearing positioning column is located at the outer end of the first bearing positioning column.

The further technical scheme is as follows: the first bearing is a ball bearing, and the second bearing is a plane bearing.

The further technical scheme is as follows: the diameter of the first bearing is greater than the diameter of the second bearing.

the further technical scheme is as follows: the support ring includes the retainer plate, and inlays the ball circle of locating the retainer plate, ball circle circumference is equipped with the holding tank, the ball is at least partially located in the holding tank.

The further technical scheme is as follows: the outward flange of retainer plate is equipped with the stationary blade, the base is equipped with and is used for the restriction the spacing groove of stationary blade position.

The further technical scheme is as follows: the rotary movement also comprises a pressing sheet; the inner edge of the fixed ring is provided with a convex block, and the convex block is provided with a connecting column fixedly connected with the pressing sheet; the inner side of the gear ring is provided with an annular boss, and at least part of the pressing sheet is positioned above the annular boss.

The further technical scheme is as follows: the rotating assembly further comprises a motor, an output gear is arranged at the output end of the motor, and the output gear is meshed with the ratchet of the gear ring.

The further technical scheme is as follows: the base is provided with a mounting groove for fixing the motor.

The further technical scheme is as follows: the rotary machine core further comprises a bottom buckle, a groove for inserting the bottom buckle is formed in the bottom surface of the base, and a fixing hole fixedly connected with the bottom buckle is formed in the outer end face of the second bearing positioning column.

The further technical scheme is as follows: the upper surface of the top plate is provided with a circuit board bin, a wire groove and a positioning groove, the circuit board bin is positioned in the middle of the top plate, one end of the wire groove is communicated with the positioning groove, and the other end of the wire groove is communicated with the circuit board bin.

Compared with the prior art, the utility model beneficial effect be: the utility model provides a pair of rotary movement, be equipped with the bearing groove at the base, step portion in the bearing groove divide into first bearing groove and second bearing groove with the bearing groove, first bearing and second bearing are installed for minute in first bearing groove and second bearing groove, be equipped with first bearing reference column and second bearing reference column at the top dish, first bearing is ball bearing, the second bearing is plane bearing, two bearings through setting up, plane bearing has promoted the power about rotary movement, ball bearing has promoted the planar power of rotary movement, make rotary movement concentricity better, it is rotatory more smooth, the problem of blocking and shaking has been avoided. In addition, balls are arranged between the support ring and the gear ring, so that the carrying capacity of the top disc is stronger, the rotation is more labor-saving, and the wear resistance is improved.

The foregoing is a summary of the present invention, and other objects, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments, which is provided for the purpose of illustration and understanding of the present invention.

Drawings

Fig. 1 is an exploded view of an embodiment of a rotary movement of the present invention;

Fig. 2 is an assembly view of an embodiment of a rotary movement of the present invention;

Fig. 3 is a side view of an embodiment of a rotary movement of the present invention;

Fig. 4 is a schematic structural diagram of a base (front surface) in an embodiment of a rotary movement of the present invention;

Fig. 5 is a schematic structural view of a base (reverse side) in an embodiment of a rotary movement of the present invention;

Fig. 6 is a schematic structural view of a top plate (front surface) in an embodiment of a rotary movement of the present invention;

fig. 7 is a schematic structural view of a top plate (reverse side) in an embodiment of a rotary movement of the present invention;

Fig. 8 is a schematic structural diagram of a gear ring in an embodiment of a rotary movement of the present invention.

Reference numerals

1. A top tray; 11. positioning a groove; 12. a wire slot; 13. a circuit board bin; 14. a first bearing positioning post; 15. a second bearing positioning post; 151. a fixing hole; 2. tabletting; 3. a gear ring; 31. a ratchet; 32. an annular boss; 4. a motor; 41. an output gear; 5. a ball bearing; 6. a support ring; 61. a ball ring; 611. accommodating grooves; 62. a stationary ring; 621. a fixing sheet; 622. a bump; 6221. connecting columns; 7. a ball bearing; 8. a flat bearing; 9. a base; 91. a limiting groove; 92. mounting grooves; 93. a first bearing groove; 94. a second bearing groove; 95. a step portion; 96. a groove; 10. and (6) a bottom buckle.

Detailed Description

In order to more fully understand the technical content of the present invention, the technical solution of the present invention will be further described and illustrated with reference to the following specific embodiments, but not limited thereto.

It is to be understood that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity/action/object from another entity/action/object without necessarily requiring or implying any actual such relationship or order between such entities/actions/objects.

It should be further understood that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.

As shown in fig. 1-8, the utility model provides a rotary movement, which comprises a top plate 1, a base 9, and a rotating assembly arranged between the top plate 1 and the base 9; the rotating assembly comprises a gear ring 3 coaxially and fixedly connected below the top disc, a support ring 6 coaxially and fixedly connected above the base 9, and balls 5 arranged between the support ring 6 and the gear ring 3; a bearing groove is formed in one side, close to the top disc 1, of the base 9, a step portion 95 is arranged in the bearing groove, the bearing groove is divided into a first bearing groove 93 and a second bearing groove 94 by the step portion 95, the first bearing groove 93 is located above the second bearing groove 94, a first bearing is installed in the first bearing groove 93, and a second bearing is installed in the second bearing groove 94; one side of the top plate 1 close to the base 9 is provided with a first bearing positioning column 14 and a second bearing positioning column 15, and the second bearing positioning column 15 is located at the outer end of the first bearing positioning column 14.

Specifically, the first bearing is a ball bearing 7, and the second bearing is a flat bearing 8. The diameter of the first bearing is larger than the diameter of the second bearing. Through two bearings that set up, plane bearing 8 has promoted the power about the rotatory core, and ball bearing 7 has promoted the planar power of rotatory core for rotatory core concentricity is better, and is rotatory more smooth, has avoided the problem of card dun and shake.

Further, the support ring 6 includes a fixed ring 62, and a ball ring 61 embedded in the fixed ring 62, the ball ring 61 is circumferentially provided with a receiving groove 611, and the ball 5 is at least partially located in the receiving groove 611. In the present embodiment, the fixing ring 62 and the ball ring 61 are separated, and this is done to allow the ball ring 61 to be replaced individually when the ball ring 61 is damaged, without replacing the fixing ring 62 together, thereby reducing the maintenance cost. In other embodiments, the retainer ring and the ball ring may be of a unitary construction.

Further, the outer edge of the fixing ring 62 is provided with a fixing sheet 621, and the base 9 is provided with a limiting groove 91 for limiting the position of the fixing sheet 621. When assembling the rotary movement, the fixing plate 621 needs to be correspondingly placed in the limiting groove 91 and then fixed by a screw, so as to prevent the fixing ring 62 from moving relative to the base 9 after fixing, thereby improving the stability.

further, the rotary movement also comprises a pressing sheet 2; the inner edge of the fixed ring 62 is provided with a convex block 622, and the convex block 622 is provided with a connecting column 6221 fixedly connected with the pressing sheet 2; the inner side of the gear ring 3 is provided with an annular boss 32, and the pressing sheet 2 is at least partially positioned above the annular boss 32. The pressing piece 2 functions to fix the gear ring 3, the balls 5, the ball ring 61, and the retainer ring 62 together to prevent the balls 5 from falling out of the receiving groove 611. After the pressing sheet 2 is connected with the connecting column 6221 through the screw, at least a part of the pressing sheet 2 is positioned above the annular boss 32, so that the lower surface of the pressing sheet 2 is in abutting relation with the upper surface of the annular boss 32.

Further, the rotating assembly further comprises a motor 4, an output gear 41 is arranged at the output end of the motor 4, and the output gear 41 is meshed with the ratchet 31 of the gear ring 3. When the motor 4 is operated, the output gear 41 will drive the gear ring 3 to rotate, thereby rotating the top plate 1.

Further, the base 9 is provided with a mounting groove 92 for fixing the motor 4. The mounting groove 92 is located in an annular groove 96 formed in the middle of the base 9. The location of the mounting groove 92 within the annular recess 96 makes reasonable use of the spatial position for a more compact rotary movement.

Further, the rotary movement further comprises a bottom buckle 10, a groove 96 for inserting the bottom buckle 10 is formed in the bottom surface of the base 9, and a fixing hole 151 fixedly connected with the bottom buckle 10 is formed in the outer end surface of the second bearing positioning column 15. The bottom buckle 10 and the fixing hole 151 can be locked through a screw, so that the whole rotary movement is fixed together.

Further, the upper surface of the top plate 1 is provided with a circuit board bin 13, a line groove 12 and a positioning groove 11, the circuit board bin 13 is located in the middle of the top plate 1, one end of the line groove 12 is communicated with the positioning groove 11, and the other end of the line groove is communicated with the circuit board bin 13. The circuit board bin 13 is used for installing a circuit board on the top plate 1; the wire groove 12 is used for wiring the top plate 1; the positioning slot 11 is used for fixing positions of other devices.

Further, in order to improve the stability of the base 9, reinforcing ribs are provided in an annular groove 96 formed in the middle of the base 9.

Further, the top plate 1 is made of plastic and is formed by injection molding. The injection molding structure saves the manufacturing cost and improves the precision.

The assembly method of the rotary movement comprises the following steps:

fixing the fixing ring 62 on the base 9 by screws (the fixing piece 621 of the fixing ring 62 needs to correspond to the position of the limiting groove 91 of the base 9), embedding the ball ring 61 into the fixing ring 62, placing the ball 5 in the accommodating groove 611 of the ball ring 61, installing the motor 4 in the installing groove 92 of the base 9, placing the gear ring 3 above the ball 5 (the ratchet 31 of the gear ring 3 needs to be meshed with the output gear 41 of the motor 4), fixing the gear ring 3, the ball 5, the ball ring 61 and the fixing ring 62 together by the pressing sheet 2, aligning the screw hole of the top disc 1 with the screw hole of the gear ring 3, fixing by screws, finally inserting the bottom buckle 10 into the groove 96 of the base 9, and aligning the through hole of the bottom buckle 10 with the fixing hole 151 of the second bearing positioning column 15, and fixing by screws.

in summary, the following steps: the utility model provides a pair of rotary movement, be equipped with the bearing groove at the base, step portion in the bearing groove divide into first bearing groove and second bearing groove with the bearing groove, first bearing and second bearing are installed for minute in first bearing groove and second bearing groove, be equipped with first bearing reference column and second bearing reference column at the top dish, first bearing is ball bearing, the second bearing is plane bearing, two bearings through setting up, plane bearing has promoted the power about rotary movement, ball bearing has promoted the planar power of rotary movement, make rotary movement concentricity better, it is rotatory more smooth, the problem of blocking and shaking has been avoided. In addition, balls are arranged between the support ring and the gear ring, so that the carrying capacity of the top disc is stronger, the rotation is more labor-saving, and the wear resistance is improved.

The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.

Claims

1. A rotary machine core is characterized by comprising a top disc, a base and a rotating assembly arranged between the top disc and the base; the rotating assembly comprises a gear ring coaxially and fixedly connected below the top disc, a support ring coaxially and fixedly connected above the base, and balls arranged between the support ring and the gear ring; a bearing groove is formed in one side, close to the top disc, of the base, a step portion is arranged in the bearing groove, the bearing groove is divided into a first bearing groove and a second bearing groove by the step portion, the first bearing groove is located above the second bearing groove, a first bearing is installed in the first bearing groove, and a second bearing is installed in the second bearing groove; the top plate is close to one side of the base is provided with a first bearing positioning column and a second bearing positioning column, and the second bearing positioning column is located at the outer end of the first bearing positioning column.

2. A rotary movement according to claim 1, wherein the first bearing is a ball bearing and the second bearing is a flat bearing.

3. A rotary movement according to claim 1, characterised in that the diameter of the first bearing is greater than the diameter of the second bearing.

4. a rotary movement according to claim 1, wherein the support ring comprises a fixed ring and a ball ring embedded in the fixed ring, the ball ring having a receiving groove formed circumferentially therein, the ball being at least partially located in the receiving groove.

5. A rotary movement according to claim 4, wherein a fixing plate is provided on an outer edge of the fixing ring, and the base is provided with a position-limiting groove for limiting the position of the fixing plate.

6. A rotary movement according to claim 4, further comprising a pressure plate; the inner edge of the fixed ring is provided with a convex block, and the convex block is provided with a connecting column fixedly connected with the pressing sheet; the inner side of the gear ring is provided with an annular boss, and at least part of the pressing sheet is positioned above the annular boss.

7. A rotary movement according to claim 1, characterised in that the rotation assembly further comprises a motor, the output of which is provided with an output gear which meshes with the ratchet teeth of the gear ring.

8. A rotary movement according to claim 7, characterised in that the base is provided with a mounting slot for securing the motor.

9. A rotary movement according to claim 1, further comprising a bottom buckle, wherein a groove for inserting the bottom buckle is formed in the bottom surface of the base, and a fixing hole fixedly connected with the bottom buckle is formed in the outer end surface of the second bearing positioning column.

10. A rotary movement according to claim 1, wherein the top plate has a top surface provided with a circuit board compartment, a slot and a positioning slot, the circuit board compartment is located in the middle of the top plate, one end of the slot communicates with the positioning slot, and the other end communicates with the circuit board compartment.