CN1139538A - Turntable device - Google Patents

Abstract

The invented device consists of a turntable, an operational sleeve ring and a bedding. On the bottom face of the turntable is installed a transmission set, from which a drag rod juts outward to control the displace-ment of motor and driver. The operational sleeve ring is divided into upper, lower, outer and inner sleeve rings. The upper and lower sleeve rings are fixed on the bottom face of the turntable and the top surface of the bedding separately, the inner ring is shunk-fitted to the upper, lower and outer sleeve rings separately, the recess is installed between different sleeve rings to contain proper amount of balls. Under the normal operation of the motor, the turntable can be stopped temporarlly and not causing the idle running of the motor. It can prolong the service life and has the function of switching over from motor driven mode to hand driven mode.

Description

A kind of rotating-table apparatus

The present invention relates to a kind of rotating-table apparatus, refer to a kind of motor driven rotary of utilizing especially, and can under the situation that motor keeps rotating, suspend, and can optionally switch to the rotating-table apparatus of manual or electronic mode.

Press, general rotating disk mostly is used in the merchandise display of show window (as glasses, wrist-watch ... Deng) and occasion such as dining room feast, and for to make commodity or food do 360 ° rotation, adopt the electrodynamic type rotating disk of motor drive mostly, mat motor rotary turnplate gets commodity and food not stop rotation, meet when taking display material and food, then need be pinned rotating disk or turn off motor power with hand rotating disk is stopped.Owing to commonly use rotating disk is to utilize motor to drive, and then the drive of motor is that perseverance caters to rotating disk and can't break away from; Keep at motor under the state of running,, produce a great frictional force between motor and rotating disk if pin rotating disk or meet external force when rotating disk is stopped operating with hand, can't overcome at motor under the prerequisite of external force, have to keep idle running, very easily cause the damage of motor or rotating disk, shorten its service life; If motor power is cut off, though then rotating disk can stop operating, the drive of motor still caters to rotating disk and can not unclamp, and when desiring to rotate rotating disk with manual mode voluntarily, just has the fraud of haveing obstacles, having some setbacks.

The object of the present invention is to provide a kind of rotating-table apparatus, can make rotating disk when motor drives, do of short duration stopping, and not undermine motor life, and can make rotating disk have concurrently manually and electric functions, in case switch to when manual, then the drive of motor will break away from rotating disk, make rotating disk be easy to turn.

Cause above-mentioned purpose for reaching, the present invention relates to a kind of rotating-table apparatus, comprise a rotating disk, the running collar and a pedestal, wherein:

The rotating disk bottom sets firmly a transmission group, this transmission group comprises a Qian shape positioning seat, a slip base, a positioning rod and a pull bar, establish a spring accommodation chamber in the Qian shape positioning seat, and group is established a spring, make slip base one end stretch in the Qian shape positioning seat, and set firmly a motor with drive in close rotating disk dish edge one end of slip base, make the spring in the Qian shape positioning seat be butted on the slip base, slip base then set firmly the backstay of a tool cam design towards center of turntable one end, the backstay end then articulates one and extends the outer pull bar of rotating disk; The running collar then comprises a upper and lower outer sleeve and an inner sleeve, upper and lower outer sleeve is fixedly arranged on rotating disk bottom and base top surface respectively, each tool one annular groove in the outer sleeve, inner sleeve is with respect to the groove of upper and lower outer sleeve, also ring is established two grooves, and makes upper and lower outer sleeve and inner sleeve form two closed circular grooves to coat ball; Pedestal is a platform.

When the drive of motor fits in the inner sleeve internal diameter of the running collar, can drive inner sleeve, last outer sleeve and rotating disk and rotate simultaneously, and following outer sleeve and pedestal keep motionless; When pinning rotating disk it suspend being rotated, then the drive of motor still can drive the inner sleeve rotation, and that upper and lower outer sleeve, rotating disk and pedestal all keep is motionless, makes the unlikely idle running of motor; Again, pulling pull bar interlock backstay then can drive slip base and receive in the center of turntable direction, and make the drive of motor break away from inner sleeve, makes rotating disk become manual operation.

After adopting said structure, the ccontaining ball of two closed grooves that the present invention utilizes upper and lower outer sleeve and inner sleeve to form, and reach to cause by the frictional force size variation of each inter-module and make rotating disk at motor and drive still under the situation of start, suspended, and do not make motor be idling conditions, can effectively prolong integrally-built service life.Utilize linkage to make pull bar can drive backstay and move slip base, and then whether control motor drive supports and the inner sleeve of the motion collar, makes rotating disk have electronic and manual two kinds of control modes concurrently, and makes the user switch optionally and arbitrarily.Owing between the upper and lower outer sleeve of the running collar, between inner sleeve and rotating disk, pedestal, all keep a fixed interval (FI), make each assembly can be from self-movement, and have the interference appearance.

Below in conjunction with figure and embodiment the present invention is elaborated.

Fig. 1 is an exploded view of the present invention

Fig. 2 is local amplification decomposition figure of the present invention (overturns 180 ° state)

Fig. 3 is an assembled sectional view of the present invention

Fig. 4 is the partial enlarged drawing of Fig. 3

Fig. 5 looks schematic diagram (electronic mode) on the part of the present invention

Fig. 6 looks schematic diagram (manual mode) on the part of the present invention

See also Fig. 1, the present invention comprises a rotating disk 10, the running collar 20 and a pedestal 30, wherein:

Rotating disk 10 is panels, the bottom surface is in setting firmly a transmission group 1 near Pan Yuanchu, cooperate shown in Figure 2, this transmission group 1 comprises a Qian shape positioning seat 11, one slip base 12, an a positioning rod 13 and a pull bar 14, establish a spring storage tank 111 with putting spring 112 in this Qian shape positioning seat 11, slip base 12 1 ends stretch in the Qian shape positioning seat 11, in establishing a motor seat 121 towards an end of rotating disk 10 dish edge, establish for 122 groups for motor, motor 122 and tool one drive 123, make spring 112 be butted on motor seat 121, backstay 13 1 ends become cam-like and have A, B balances or cancel each other and pulls a little 131,132, with cam end be hubbed at Qian shape positioning seat 11 towards the center of turntable end, make B support pulling a little 132 to support greater than A to the distance of cam end pivoting point and to pull a little 131 to the cam end pivoting point, the end of backstay 13 then with a connecting rod 133 bar 14 that is pivoted in addition, paste the groove 101 of rotating disk 10 bottom surfaces and stretch out outside the rotating disk 10, is connected a pull handle 141 by 14 embeddings of this pull bar.

Consult Fig. 1 again, the running collar 20 comprises, following outer sleeve 21,22 and one inner sleeve 23, on, following outer sleeve 21, one annular recess of each tool of 22 inner ring surface 211,221, inner sleeve 23 is also established two road annular recess 231 in relative outer ring surface, and in the order, following outer sleeve 21,22 with inner sleeve 23 fits and form two closed grooves to coat an amount of ball 24, and on, following outer sleeve 21,22 is fashionable with inner sleeve 23 covers, on, following outer sleeve 21,22 are stayed an appropriate gap, and the height of last outer sleeve 21 is than the height height of inner sleeve 23, and following outer sleeve 22 is then lower slightly than inner sleeve 23; 30 of pedestals are platform, can be for placing the rotating disk 10 and the running collar 20, and the following outer sleeve 22 for the running collar 20 sets firmly simultaneously.

During combination, shown in Fig. 3,4,5, be Qian shape positioning seat 11 smooth rotating disk 10 bottoms that are fixedly arranged on transmission group 1, the groove 101 of pull bar 14 autorotation disks 10 bottom surfaces of transmission group 1 stretches out, and stay pull handle 141 to be exposed to outside the rotating disk 10, outer sleeve is fixedly arranged on rotating disk 10 bottom surfaces on the running collar 20, and following outer sleeve 22 then is fixedly arranged on pedestal 30 end faces, makes 30 of top, bottom surface and rotating disk 10, the pedestals of inner sleeve 23 respectively reserve a gap and do not touch mutually; The continuous Fig. 5 that sees also, backstay 13 with rotating disk 10 bottom surface transmission groups 1 a little 131 is butted on Qian shape positioning seat 11 towards one of rotating disk 10 centers side with A to pulling in addition, spring 112 pushing and pressing slip base 12 and motor seats 121 in the side Qian shape positioning seat 11, make the drive 123 of motor 122 prop up anchor ring within the inner sleeve 23, thus, after motor 122 starts, motor 122 drives drive 123 and inner sleeve 23 begins to rotate, simultaneously be provided with ball 24 because of inner sleeve 23 and 21 of last outer sleeves, so between the two friction is less than the friction of 23 of drive 123 and inner sleeves, go up the collar 21 and rotating disk 10 can rotate with drive 123 and inner sleeve 23 outward and can make;

If at motor 122, drive 123 and inner sleeve 23 threes keep making under the situation of rotation rotating disk 10 to suspend rotating, when taking display material or food, then only need to pin rotating disk 10 towing tensions on it with hand, the friction that makes 21 pairs of inner sleeves 23 of outer sleeve on the rotating disk 10 is greater than the friction of motor 122 drives 123 with inner sleeve 23, then motor 122 moving runners 123 still can continue to drive inner sleeve 23 rotations, and make rotating disk 10 suspend, only stay ball 24 in last, following outer sleeve 21,22 and 23 of inner sleeves billowing in case after obtaining exhibition thing or food, only need unclamp rotating disk 10, just reply original rotary state again.

Mentioned above, refer to the situation when the present invention is electrodynamic type, another characteristic of the present invention is to be the also changeable hand that is, as shown in Figure 6, only need pulling pull handle 141 and pull bar 14, make pull bar 14 terminal pulling connecting rod 133 and backstays 13, with the cam end is center turn one angle, a little 132 be butted on Qian shape positioning seat 11 with B to pulling, then backstay 14 can spur slip base 12 towards the slip of rotating disk 10 centers, and drives motor 122 and drive 123, makes drive 123 break away from anchor ring within the inner sleeves 23, and making rotating disk 10 be manual state, the springs 112 in the Qian shape positioning seat 11 are subjected to the compressing of motor seat 21 and shrink in spring storage tank 111 at this moment; When treating that desire is recovered motoring condition, only need push back pull handle 141 and pull bar 14, make backstay 13 support to pull with A and a little 131 be butted on Qian shape positioning seat 11, then the tension force of spring 112 will promote slip base 12, makes drive 123 prop up inner sleeve 23, promptly recovers the state of Fig. 5.

Claims (4)

1, a kind of rotating-table apparatus comprises a rotating disk, the running collar and a pedestal, and it is characterized in that: the rotating disk bottom surface sets firmly a transmission group near Pan Yuanchu, and this transmission group is embedded at the groove of rotating disk bottom surface with a pull bar and stretches out in outside the rotating disk; The running collar comprises a upper and lower outer sleeve and an inner sleeve, upper and lower outer sleeve is fixedly arranged on rotating disk bottom surface and base top surface respectively, and inner ring surface is one annular recess of moulding respectively, inner sleeve is also established two road annular recess in relative outer ring surface, upper and lower outer sleeve and inner sleeve be fit mutually, forms two closed grooves to coat ball; Pedestal then is a platform; When transmission group supports the inner ring surface of the inner sleeve that reaches the running collar, then because of the frictional force between inner sleeve and last outer sleeve less than between inner sleeve and transmission group frictional force, can drive inner sleeve, last outer sleeve and rotating disk simultaneously rotates simultaneously, when forcing in the frictional force that makes on the rotating disk between outer sleeve and inner sleeve, rotating disk is suspended and only drive inner sleeve and rotate by transmission group greater than the frictional force between inner sleeve and transmission group; When the pulling pull bar made transmission group break away from inner sleeve, then rotating disk can be switched to manually by electronic.

2, rotating-table apparatus according to claim 1, it is characterized in that: this transmission group comprises a Qian shape positioning seat, one slip base, an a positioning rod and a pull bar, establish a spring storage tank in the Qian shape positioning seat with putting spring, slip base one end stretches in the Qian shape positioning seat, at an end moulding one motor seat towards rotating disk dish edge, install a motor and a drive, make spring support and the motor seat, backstay one end becomes cam-like and tool A, B supports and pulls a little, backstay is hubbed at the end of Qian shape positioning seat towards center of turntable with cam end, the end of backstay then be pivoted a connecting rod and pull bar stretch out in outside the rotating disk.

3, rotating-table apparatus according to claim 1 is characterized in that: leave an appropriate gap between the upper and lower outer sleeve of the running collar, and respectively reserve a gap between the top of inner sleeve, bottom surface and rotating disk bottom surface, base top surface.

4, rotating-table apparatus according to claim 2, it is characterized in that: make B support pulling a little to the distance of backstay cam end pivoting point and support the distance of pulling a little greater than A to pivoting point, support to pull with A and a little support when reaching Qian shape positioning seat, the motor seat of the spring pushing and pressing slip base in the Qian shape positioning seat, make the drive of motor support and inner sleeve is motoring condition, support to pull with B and a little support when reaching Qian shape positioning seat, then move in the slip base, make motor seat compression spring, and drive breaks away from inner sleeve and is manual state.

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