CN209965596U

CN209965596U - Rotary disc of dining table

Info

Publication number: CN209965596U
Application number: CN201920476984.9U
Authority: CN
Inventors: 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: 2020-01-21
Anticipated expiration: 2029-04-10

Abstract

The utility model discloses a rotary table disc, which comprises a rotary core, a top cover arranged above the rotary core and a bottom cover arranged below the rotary core; the side surface of the bottom cover is provided with an empty avoiding groove, the bottom of the empty avoiding groove is provided with an opening which is the same as the inside of the bottom cover, and the position of the opening corresponds to a wire outlet of the rotary machine core; the 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, and an upper supporting ring and a lower supporting ring which are respectively arranged on the upper side and the lower side of the gear ring; an upper ball is arranged between the upper support ring and the gear ring, and a lower ball is arranged between the lower support ring and the gear ring; one side that the base is close to the top dish is equipped with the bearing groove, is equipped with the step portion in the bearing groove, and the step portion divide into first bearing groove and second bearing groove with the bearing groove. The utility model discloses avoided the outstanding rotary device of plug and the problem of easy rupture, the concentricity is better, and is rotatory more smooth, has avoided the problem that the card went on and trembled.

Description

Rotary disc of dining table

Technical Field

The utility model relates to an auxiliary device for jewelry product detection, in particular to a dining table turntable.

Background

At present, a rotary machine core of a rotary table is not provided with a central shaft connecting point, the concentricity is not enough, 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 the not enough of prior art, provide a dining table carousel.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a dining table turntable comprises a rotary machine core, a top cover arranged above the rotary machine core and a bottom cover arranged below the rotary machine core; an empty avoiding groove is formed in the side face of the bottom cover, an opening identical to the inner part of the bottom cover is formed in the bottom of the empty avoiding groove, and the position of the opening corresponds to a wire outlet of the rotary machine core; the 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, and an upper supporting ring and a lower supporting ring which are respectively arranged on the upper side and the lower side of the gear ring; an upper ball is arranged between the upper support ring and the gear ring, and a lower ball is arranged between the lower 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 dining table turntable further comprises a top plate, the upper surface of the top plate is bonded in the top cover, and the lower surface of the top plate is fixedly connected above the rotary movement.

The further technical scheme is as follows: the rotary movement also comprises a buckle used for fixing the top disc and the gear ring together; the buckle comprises an upper clamping edge part, a lower clamping edge part and a transition edge part which connects the upper clamping edge part and the lower clamping edge part together; when the buckle is in the joint state, go up joint limit portion butt the upper surface of top dish, lower joint limit portion butt in the lower surface of the outer fringe of gear circle.

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 upper support ring comprises an upper fixed ring and an upper ball ring embedded in the upper fixed ring; the upper ball ring is circumferentially provided with an upper accommodating groove, and at least part of the upper ball is positioned in the upper accommodating groove; the lower support ring comprises a lower fixing ring and a lower ball ring embedded in the lower fixing ring; the lower ball ring is circumferentially provided with a lower accommodating groove, and the lower ball is at least partially positioned in the lower accommodating groove.

The further technical scheme is as follows: the outer edge of the upper fixing ring is provided with an upper fixing sheet, and the top disc is provided with an upper limiting groove for limiting the upper fixing sheet; the outer edge of lower retainer plate is equipped with down the stationary blade, the base is equipped with and is used for the restriction lower spacing groove of stationary blade.

The further technical scheme is as follows: the rotary movement also comprises a pressing sheet; the inner edge of the lower fixing 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 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 dining table carousel is through setting up in the bottom side and keeping away the dead slot, and the opening is seted up to the bottom of keeping away the dead slot for after the plug is pegged graft, be located the within range of keeping away the dead slot, and can not make it expose in rotary device's outside, avoided the outstanding rotary device of plug and the problem of easy rupture, open-ended position is corresponding with the outlet of rotatory core moreover, has prevented that the condition of installation dislocation from taking place. In addition, the rotary movement is 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 to first bearing groove and second bearing groove minute, 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, through two bearings that set up, plane bearing has promoted the power about the 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. Be equipped with the ball between last support ring and the gear circle, be equipped with down the ball between lower support ring and the gear circle, the output gear of motor and the ratchet meshing of gear circle not only make the bearing capacity of top dish stronger, and it is rotatory more laborsaving, improved wear resistance, can carry out manual rotation under the motor drives the automatic rotatory condition moreover, operate more in a flexible way.

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 (forward distribution) of an embodiment of a turntable of a dining table according to the present invention;

fig. 2 is an exploded view (reverse distribution) of an embodiment of a turntable of the dining table of the present invention;

fig. 3 is an exploded view of a rotary mechanism in an embodiment of a turntable of the dining table of the present invention;

fig. 4 is an assembly view of a rotary movement in an embodiment of a turntable of a dining table of the present invention;

fig. 5 is a side view of a rotary mechanism in an embodiment of a turntable of the dining table of the present invention;

fig. 6 is a schematic structural view of a base (front surface) of a rotary mechanism in an embodiment of a turntable of a dining table of the present invention;

fig. 7 is a schematic structural view of a base (reverse side) of a rotary mechanism in an embodiment of a turntable of a dining table of the present invention;

fig. 8 is a schematic structural view of a top plate (front surface) of a rotary mechanism in an embodiment of a turntable of a dining table of the present invention;

fig. 9 is a schematic structural view of a top plate (reverse side) of a rotary mechanism in an embodiment of a turntable of a dining table of the present invention;

fig. 10 is a schematic structural view of a gear ring in an embodiment of the turntable of the present invention.

Reference numerals

1. A top tray; 11. buckling; 12. a power passing ring; 13. positioning a groove; 14. a wire slot; 15. a circuit board bin; 16. a first bearing positioning post; 17. a second bearing positioning post; 171. a fixing hole; 2. an upper support ring; 21. an upper retainer ring; 22. mounting a ball ring; 3. upper rolling balls; 4. a gear ring; 41. tabletting; 42. a motor; 421. an output gear; 5. a lower ball; 6. a lower support ring; 61. a ball ring is arranged; 62. a lower retainer ring; 621. a fixing sheet; 622. a bump; 6221. connecting columns; 7. a ball bearing; 8. a flat bearing; 9. a base; 91. a lower limiting groove; 92. mounting grooves; 93. a first bearing groove; 94. a second bearing groove; 95. a step portion; 96. a groove; 97. an outlet; 10. a bottom buckle; s, rotating the machine core; 100. a top cover; 200. a bottom cover; 2001. an empty avoiding groove; 2002. an opening; 300. a top plate.

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. 1-10, the present invention provides a turntable for a dining table, which comprises a rotary movement S, a top cover 100 disposed above the rotary movement S, and a bottom cover 200 disposed below the rotary movement S; the side of the bottom cover 200 is provided with a clearance groove 2001, the bottom of the clearance groove 2001 is provided with an opening 2002 the same as the inside of the bottom cover 200, and the position of the opening 2002 corresponds to the outlet 97 of the rotary movement S.

Specifically, the clearance groove 2001 can prevent the plug from being exposed outside the rotating device after being plugged, so that the plug is protected, and the plug can be used as a hand buckle position, so that the rotating device can be conveniently carried.

Further, the turntable of the dining table further comprises a top plate 300, the upper surface of the top plate 300 is adhered to the inside of the top cover 100, and the lower surface of the top plate 300 is fixedly connected to the upper part of the rotary movement S. The bonding of the top plate 300 to the top cover 100 improves the overall strength of the top plate 300.

Further, the rotary machine core S comprises a top disc 1, a base 9 and a rotating assembly arranged between the top disc 1 and the base 9; the rotating assembly comprises a gear ring 4 coaxially and fixedly connected below the top disc 1, and an upper supporting ring 2 and a lower supporting ring 6 which are respectively arranged on the upper side and the lower side of the gear ring 4; an upper ball 3 is arranged between the upper support ring 2 and the gear ring 4, and a lower ball 5 is arranged between the lower support ring 6 and the gear ring 4; 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 16 and a second bearing positioning column 17, and the second bearing positioning column 17 is positioned at the outer end of the first bearing positioning column 16.

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 rotary movement also comprises a buckle 11 for fixing the top disc 1 and the gear ring 4 together; the buckle 11 comprises an upper clamping edge part, a lower clamping edge part and a transition edge part which connects the upper clamping edge part and the lower clamping edge part together; when the buckle 11 is in a clamping state, the upper clamping edge portion abuts against the upper surface of the top disc 1, and the lower clamping edge portion abuts against the lower surface of the outer edge of the gear ring 4.

Further, the upper support ring 2 comprises an upper fixed ring 21 and an upper ball ring 22 embedded in the upper fixed ring 21; the upper ball ring 22 is circumferentially provided with an upper accommodating groove, and the upper ball 3 is at least partially positioned in the upper accommodating groove; the lower support ring 6 comprises a lower fixed ring 62 and a lower ball ring 61 embedded in the lower fixed ring 62; the lower ball ring 61 is circumferentially provided with a lower receiving groove in which the lower ball 5 is at least partially located. In this embodiment, the upper retainer ring 21 and the upper ball ring 22 are separated, and the lower retainer ring 62 and the lower ball ring 61 are also separated, so that when the upper ball ring 22 or the lower ball ring 61 is damaged, the upper ball ring 22 or the lower ball ring 61 can be replaced independently without replacing the upper retainer ring 21 or the lower retainer ring 62 together, thereby reducing the maintenance cost. In other embodiments, the upper retainer ring 21 and the upper ball ring 22 (the lower retainer ring and the lower ball ring 61) may be formed as a single structure.

Further, an upper fixing piece 621 is arranged at the outer edge of the upper fixing ring 21, and the top plate 1 is provided with an upper limiting groove for limiting the upper fixing piece 621; the outer edge of the lower fixing ring 62 is provided with a lower fixing plate 621, and the base 9 is provided with a lower limiting groove 91 for limiting the lower fixing plate 621. When assembling the rotary movement, the upper fixing piece 621 needs to be correspondingly placed in the upper limit groove and then fixed by a screw, so as to avoid relative movement after fixation and improve stability. The lower fixing piece 621 is fixed to the lower restricting groove 91 in the same manner as the upper fixing piece 621 is fixed to the upper restricting groove.

Further, the rotary movement also comprises a pressing sheet 41; the inner edge of the lower fixing ring 62 is provided with a bump 622, and the bump 622 is provided with a connecting column 6221 fixedly connected with the pressing sheet 41; the inner side of the gear ring 4 is provided with an annular boss, and the pressing sheet 41 is at least partially positioned above the annular boss. The pressing pieces 41 serve to fix the lower gear ring 4, the lower balls, the lower ball ring 61, and the lower retainer ring 62 together to prevent the lower balls 5 from falling out of the lower receiving groove. After the pressing piece 41 is connected with the connecting column 6221 through the screw, at least a part of the pressing piece 41 is positioned above the annular boss, so that the lower surface of the pressing piece 41 is in abutting relation with the upper surface of the annular boss.

Further, the rotating assembly further comprises a motor 42, an output gear 421 is arranged at an output end of the motor 42, and the output gear 421 is meshed with the ratchet of the gear ring 4. When the motor 42 is operated, the output gear 421 will drive the gear ring 4 to rotate, thereby rotating the top plate 1.

Further, the base 9 is provided with a mounting groove 92 for fixing the motor 42. 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 171 fixedly connected with the bottom buckle 10 is formed in the outer end surface of the second bearing positioning column 17. The bottom buckle 10 and the fixing hole 171 can be locked through a screw, so that the whole rotary movement is fixed together.

Furthermore, the upper surface of the top plate 1 is provided with a circuit board bin 15, a line slot 14 and a positioning slot 13, the circuit board bin 15 is positioned in the middle of the top plate 1, one end of the line slot 14 is communicated with the positioning slot 13, and the other end of the line slot is communicated with the circuit board bin 15. The circuit board bin 15 is used for installing a circuit board on the top plate 1; the wire slot 14 is used for wiring the top plate 1; the positioning slot 13 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.

Furthermore, an over-current ring 12 is fixed in the middle of the circuit board bin 15 of the top plate 1, and the electric wire can pass through a hole in the middle of the over-current ring 12. Thus, the arrangement is convenient for arranging the electric wires.

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

the lower fixing ring 62 is fixed to the base 9 by screws (the lower fixing piece 621 of the lower fixing ring 62 needs to correspond to the lower limiting groove 91 of the base 9), the lower ball ring 61 is embedded into the lower fixing ring 62, and the lower ball 5 is placed in the lower receiving groove of the lower ball ring 61. The upper fixing ring 21 is fixed on the lower surface of the top plate 1 by screws (the upper fixing sheet 621 of the upper fixing ring 21 needs to correspond to the position of the upper limit groove of the base 9), the upper ball ring 22 is embedded into the upper fixing ring 21, then the upper ball 3 is placed in the upper receiving groove of the upper ball ring 22, the gear ring 4 is placed above the lower ball 5 (the ratchet of the gear ring 4 needs to be meshed with the output gear 421 of the motor 42), the gear ring 4, the rolling balls, the ball ring and the fixed ring are fixed together through the pressing sheet 41, the top disc 1 and the gear ring 4 are clamped together through the buckle 11, the motor 42 is arranged in the mounting groove 92 of the base 9, then the screw hole of the top disc 1 is aligned with the screw hole of the gear ring 4, and is fixed by screws, and finally the bottom buckle 10 is inserted into the groove 96 of the base 9, and the through hole of the bottom buckle 10 is aligned with the fixing hole 171 of the second bearing positioning column 17 and is fixed by screws.

In summary, the following steps: the utility model provides a pair of dining table carousel is through setting up in the bottom side and keeping away the dead slot, and the opening is seted up to the bottom of keeping away the dead slot for after the plug is pegged graft, be located the within range of keeping away the dead slot, and can not make it expose in rotary device's outside, avoided the outstanding rotary device of plug and the problem of easy rupture, open-ended position is corresponding with the outlet of rotatory core moreover, has prevented that the condition of installation dislocation from taking place. In addition, the rotary movement is 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 to first bearing groove and second bearing groove minute, 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, through two bearings that set up, plane bearing has promoted the power about the 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. Be equipped with the ball between last support ring and the gear circle, be equipped with down the ball between lower support ring and the gear circle, the output gear of motor and the ratchet meshing of gear circle not only make the bearing capacity of top dish stronger, and it is rotatory more laborsaving, improved wear resistance, can carry out manual rotation under the motor drives the automatic rotatory condition moreover, operate more in a flexible way.

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 dining table turntable is characterized by comprising a rotary machine core, a top cover arranged above the rotary machine core and a bottom cover arranged below the rotary machine core; an empty avoiding groove is formed in the side face of the bottom cover, an opening identical to the inner part of the bottom cover is formed in the bottom of the empty avoiding groove, and the position of the opening corresponds to a wire outlet of the rotary machine core; the 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, and an upper supporting ring and a lower supporting ring which are respectively arranged on the upper side and the lower side of the gear ring; an upper ball is arranged between the upper support ring and the gear ring, and a lower ball is arranged between the lower 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 turntable as claimed in claim 1, further comprising a top plate, the top surface of the top plate being bonded within the top cover, the bottom surface of the top plate being fixedly secured to the top of the rotary mechanism.

3. The turntable of claim 1, wherein the rotary mechanism further comprises a snap for securing the top plate to the gear rim; the buckle comprises an upper clamping edge part, a lower clamping edge part and a transition edge part which connects the upper clamping edge part and the lower clamping edge part together; when the buckle is in the joint state, go up joint limit portion butt the upper surface of top dish, lower joint limit portion butt in the lower surface of the outer fringe of gear circle.

4. The turntable of claim 1, wherein the first bearing is a ball bearing and the second bearing is a flat bearing.

5. The turntable of claim 1, wherein the upper support ring comprises an upper retainer ring and an upper ball ring embedded in the upper retainer ring; the upper ball ring is circumferentially provided with an upper accommodating groove, and at least part of the upper ball is positioned in the upper accommodating groove; the lower support ring comprises a lower fixing ring and a lower ball ring embedded in the lower fixing ring; the lower ball ring is circumferentially provided with a lower accommodating groove, and the lower ball is at least partially positioned in the lower accommodating groove.

6. The turntable of claim 5, wherein the top plate has an upper retaining plate at an outer edge thereof, and an upper retaining groove for retaining the upper retaining plate; the outer edge of lower retainer plate is equipped with down the stationary blade, the base is equipped with and is used for the restriction lower spacing groove of stationary blade.

7. The turntable of claim 5, wherein the rotary mechanism further comprises a tablet; the inner edge of the lower fixing 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.

8. A turntable as claimed in claim 1, wherein the rotation assembly further comprises a motor, an output gear is provided at an output of the motor, and the output gear is engaged with the ratchet teeth of the gear ring.

9. A dining table turntable as claimed in claim 1, wherein the rotary 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 surface of the second bearing positioning column.

10. A dining table turntable according to claim 1, wherein the top plate is provided with a circuit board compartment, a slot and a positioning slot on the upper surface, the circuit board compartment is located at the middle part of the top plate, one end of the slot is communicated with the positioning slot, and the other end is communicated with the circuit board compartment.