CN215181429U - Annular clock - Google Patents

Abstract

The utility model relates to an annular clock, which is characterized in that the annular clock comprises a base, an inner ring body, an outer ring body and a clock driving mechanism, wherein the clock driving mechanism is arranged on the base, the inner ring body can be rotationally arranged on the base, the rotation center line of the inner ring body is coaxial or parallel to the axial center line of the inner ring body, the inner ring body is in driving connection with a clock driving mechanism, the outer ring body is rotatably arranged on the base, the rotation center line of the outer ring body is coaxial or parallel to the axial center line of the outer ring body, and the outer ring body is arranged around the outer circumference of the inner ring body, and the outer ring body is in driving connection with the clock driving mechanism, the outer surfaces of the inner ring body and the outer ring body are respectively provided with a first indicating part and a second indicating part, one of the first and second indicators indicates an hour and the other indicates a minute. The utility model has the advantages of simple structure, high reliability, low manufacturing cost, small maintenance difficulty, good applicability and the like.

Description

Annular clock

Technical Field

The utility model relates to a clock and watch technical field, especially a clock.

Background

Most clocks currently indicate time by means of rotatable hands. Because most of the existing pointers are made to be quite slender, the manufacturing and installation difficulty of the existing pointers is high, and the manufacturing cost of the clock is easy to increase. Meanwhile, the maintenance difficulty of the pointer is high, so that the maintenance cost of the clock is easily increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve above-mentioned problem and not enough, provide an annular clock, this annular clock has simple structure, the reliability is high, low in manufacturing cost, the maintenance degree of difficulty is little, advantages such as suitability is good.

The technical scheme of the utility model is realized like this:

the annular clock is characterized by comprising a base, an inner ring body, an outer ring body and a clock driving mechanism, wherein the clock driving mechanism is arranged on the base, the inner ring body is rotatably arranged on the base, the rotating center line of the inner ring body is coaxial or parallel to the axial center line of the inner ring body, the inner ring body is also in driving connection with the clock driving mechanism, the outer ring body is rotatably arranged on the base, the rotating center line of the outer ring body is coaxial or parallel to the axial center line of the outer ring body, the outer ring body is arranged around the outer circumference of the inner ring body, the outer ring body is in driving connection with the clock driving mechanism, a first indicating part and a second indicating part are respectively arranged on the outer surfaces of the inner ring body and the outer ring body, and one of the first indicating part and the second indicating part indicates hour and the other indicates minute.

Preferably, the clock driving mechanism includes a driving motor, a driving gear set and a driven gear set, the driving motor, the driving gear set and the driven gear set are disposed on the base, and the driving gear set is in driving connection with the driving motor, and the driven gear set and the driving gear set are respectively located on two sides of an axial center line of the inner ring body, the inner ring body is provided with a first annular tooth portion, and the first annular tooth portion is meshed with one end of the driven gear set, the outer ring body is provided with a second annular tooth portion, and the second annular tooth portion is meshed with the driving gear set, and the second annular tooth portion is meshed with the other end of the driven gear set.

Preferably, a first ring groove is formed in an outer corner of the back face of the inner ring body, a second ring groove is formed in an inner corner of the back face of the outer ring body, the second ring groove and the first ring groove jointly form a covering cavity, and the driving motor, the driving gear set and the driven gear set are all covered in the covering cavity.

Preferably, the base is provided with a plurality of first limiting idler wheels, each first limiting idler wheel is arranged around the axial center line of the inner ring body, the rotating center line of each first limiting idler wheel is parallel to the rotating center line of the inner ring body, and each first limiting idler wheel is rolled on the circumferential surface of the inner ring body.

Preferably, the annular clock further comprises a first swing frame and a first spring, the first swing frame is hinged to the base, one first limiting roller is connected with the base through the first swing frame, two ends of the first spring respectively elastically prop against the first swing frame and the base, and the first limiting roller on the first swing frame is tightly pressed on the circumferential surface of the inner ring body under the elastic action of the first spring.

Preferably, the inner ring body is provided with a first convex ring, and the circumferential surface of each first limiting roller is provided with a first annular clamping groove, so that each first annular clamping groove is clamped on the first convex ring.

Preferably, the base is provided with a plurality of second limiting rollers, each second limiting roller is arranged around the axial center line of the outer ring body, the rotating center line of each second limiting roller is parallel to the rotating center line of the outer ring body, and each second limiting roller is rolled on the circumferential surface of the outer ring body.

Preferably, the ring clock further comprises a second swing frame and a second spring, the second swing frame is hinged to the base, one of the second limiting idler wheels is connected with the base through the second swing frame, two ends of the second spring respectively elastically press against the second swing frame and the base, and the second limiting idler wheel on the second swing frame is tightly pressed against the circumferential surface of the outer ring body under the elastic action of the second spring.

Preferably, the outer ring body is provided with a second convex ring, and the circumferential surface of each second limiting roller is provided with a second annular clamping groove, so that each second annular clamping groove is clamped on the second convex ring.

Preferably, the base is annular, and the axial center line of the base is coaxial or parallel to the axial center line of the inner ring body.

The utility model has the advantages that: in the ring clock, the inner ring body and the outer ring body are rotated by the clock driving mechanism, the inner ring body and the outer ring body are respectively provided with a first indicating part and a second indicating part, and one of the first indicating part and the second indicating part indicates hour and the other indicates minute. Therefore, the hours and the minutes can be read out through the rotating directions of the first indicating part and the second indicating part, so that a user can conveniently master the time, the annular clock can well meet the requirement of practical use, and the annular clock has good reliability. Because the annular clock indicates time through the inner ring body and the outer ring body, the annular clock does not need to be provided with slender hour and minute hands, and the difficulty of manufacturing and installation is reduced. And thus, the difficulty of maintenance can be reduced, thereby being beneficial to reducing the maintenance cost. Meanwhile, the whole structure of the annular clock is very simple and reliable, and the applicability of the annular clock is very good.

Drawings

Fig. 1 is a schematic perspective view of the ring clock of the present invention.

Fig. 2 is a schematic view of the split structure of the middle ring clock of the present invention.

Fig. 3 is a schematic view of a rear view of the ring clock according to the present invention.

Fig. 4 is a schematic structural view of the inner ring shell and the outer ring shell of the present invention.

Fig. 5 is a schematic view of an assembly structure of the middle base and the clock driving mechanism of the present invention.

Fig. 6 is a schematic view of an assembly structure of the middle limit roller and the ring sleeve according to the present invention.

Fig. 7 is a second schematic view of the assembly structure of the spacing roller and the ring sleeve according to the present invention.

Fig. 8 is one of the assembly structural diagrams of the driving gear set and the driving motor of the present invention.

Fig. 9 is a second schematic view of an assembly structure of the driving gear set and the driving motor according to the present invention.

Fig. 10 is a schematic perspective view of a driven gear set according to the present invention.

Fig. 11 is a second schematic perspective view of the driven gear set of the present invention.

Fig. 12 is a schematic perspective view of the base of the present invention.

Fig. 13 is a schematic view of an assembly structure of the first limiting roller and the first swing frame according to the present invention.

Fig. 14 is a schematic view of an assembly structure of the second limiting roller and the second swing frame according to the present invention.

Fig. 15 is a schematic structural view of the middle inner ring sleeve and the outer ring sleeve of the present invention.

Fig. 16 is an enlarged schematic structural view of a portion a in fig. 15 according to the present invention.

Fig. 17 is a schematic perspective view of the inner ring shell of the present invention.

Fig. 18 is a schematic view of the three-dimensional structure of the outer ring shell of the present invention.

Detailed Description

As shown in fig. 1 and 2, an annular clock of the present invention comprises a base 1, an inner ring 2, an outer ring 3, a clock driving mechanism 4, wherein the clock driving mechanism 4 is disposed on the base 1, the inner ring 2 is rotatably disposed on the base 1, the rotation center line of the inner ring 2 is coaxial or parallel to the axial center line of the inner ring 2, the inner ring 2 is further drivingly connected to the clock driving mechanism 4, the outer ring 3 is rotatably disposed on the base 1, the rotation center line of the outer ring 3 is coaxial or parallel to the axial center line of the outer ring 3, the outer ring 3 is further arranged around the outer circumference of the inner ring 2, the outer ring 3 is drivingly connected to the clock driving mechanism 4, a first indicating portion 21 and a second indicating portion 31 are disposed on the outer surfaces of the inner ring 2 and the outer ring 3, respectively, the first indicating portion 21, One of the second indicators 31 indicates an hour and the other indicates a minute.

In this ring timepiece, the inner ring body 2 and the outer ring body 3 are rotated by the timepiece driving mechanism 4, the first indicator 21 and the second indicator 31 are provided in the inner ring body 2 and the outer ring body 3, respectively, and one of the first indicator 21 and the second indicator 31 indicates an hour and the other indicates a minute. Therefore, the hours and the minutes can be read through the rotating directions of the first indicating part 21 and the second indicating part 31, so that the user can conveniently master the time, the annular clock can well meet the requirement of practical use, and the reliability is very good. Since the annular clock indicates time through the inner ring body 2 and the outer ring body 3, the annular clock does not need to be provided with slender hour and minute hands, which helps to reduce the difficulty of manufacturing and installation. And thus, the difficulty of maintenance can be reduced, thereby being beneficial to reducing the maintenance cost. Meanwhile, the whole structure of the annular clock is very simple and reliable, and the applicability of the annular clock is very good.

In an actual manufacturing process, the clock drive mechanism 4 rotates the inner ring body 2 once for 12 hours, and rotates the outer ring body 3 once for 60 minutes. Thus, the first indicating portion 21 represents an hour hand and the second indicating portion 31 represents a minute hand. The user can judge that it is the point at present from the direction pointed by the first pointer 21, and can judge that it is the point at present from the direction pointed by the second pointer 31, so that it can be found that it is the point at present, so that the user can grasp the time well by the ring clock.

For the user's convenience, the color of the first indicator 21 may be different from that of the inner ring body 2, and the color of the second indicator 31 may be different from that of the outer ring body 3, and the first indicator 21 and the second indicator 31 may be blue, yellow, red, or the like. This facilitates the user to quickly observe the positions of the first indicator 21 and the second indicator 31, thereby contributing to improvement of convenience in time reading.

As shown in fig. 1 and 2, the first indicating portion 21 is a strip-shaped groove formed on the inner ring body 2, or a strip-shaped protrusion formed on the inner ring body 2, or other structures with indicating function. For example: arrows, bumps, triangles, and the like. Similarly, the second indicating portion 31 is a strip-shaped groove formed on the outer ring body 3, or a strip-shaped protrusion formed on the outer ring body 3, or other structures with indicating function. For example: arrows, bumps, triangles, and the like.

In the actual manufacturing process, a corresponding time scale can be arranged on the base 1, and any time scale can be omitted on the annular clock. When no time scale is set, the user can determine the current time according to the indication orientations of the first indication part 21 and the second indication part 31. The structure design is creative, and can greatly improve the aesthetic property and the grade of the clock, thereby being beneficial to improving the market competitiveness of the clock.

As shown in fig. 2 to 5, the clock driving mechanism 4 includes a driving motor 41, a driving gear set 42, and a driven gear set 43, the driving motor 41, the driving gear set 42, and the driven gear set 43 are disposed on the base 1, and the driving gear set 42 is drivingly connected to the driving motor 41, and the driven gear set 43 and the driving gear set 42 are respectively located on both sides of an axial center line of the inner ring 2, the inner ring 2 is provided with a first annular gear portion 22, and the first annular gear portion 22 is meshed with one end of the driven gear set 43, the outer ring 3 is provided with a second annular gear portion 32, and the second annular gear portion 32 is meshed with the driving gear set 42, and the second annular gear portion 32 is meshed with the other end of the driven gear set 43. The structure of the clock driving mechanism 4 is very simple and reliable. The inner ring body 2 and the outer ring body 3 are driven in a gear transmission mode, which is beneficial to improving the stability and accuracy of the rotation of the inner ring body 2 and the outer ring body 3. The driving gear set 42 and the driven gear set 43 are respectively arranged on two sides of the axial center line of the inner ring body 2, so that a very good limiting effect can be achieved on the inner ring body 2 and the outer ring body 3, and the accuracy and the stability of the rotation of the inner ring body 2 and the outer ring body 3 are improved. Thereby contributing to further improvement in the reliability of the ring clock.

The driving motor 41 and the driving gear set 42 drive the second ring gear portion 32 to make one rotation for 60 minutes, that is, the outer ring body 3 makes one rotation for 60 minutes. When the second ring gear 32 makes one revolution, the time required for making one twelfth revolution of the first ring gear 22, that is, one twelfth revolution of the inner ring body 2, is 1 hour by the rotation of the driven gear set 43, and therefore the time required for making one revolution of the inner ring body 2 is 12 hours. Therefore, the annular clock can well display time, and the use of a user can be well met.

In actual manufacturing, the driving gear set 42 and the driven gear set 43 may adopt the gear structure shown in fig. 8 to 11, or may adopt other gear structures that can achieve the same function. This completes the manufacture of the ring clock.

As shown in fig. 4, 17 and 18, a first ring groove 23 is formed on an outer corner of the back of the inner ring 2, a second ring groove 33 is formed on an inner corner of the back of the outer ring 3, the second ring groove 33 and the first ring groove 23 together form a covering cavity 10, and the driving motor 41, the driving gear set 42 and the driven gear set 43 are all covered in the covering cavity 10. The shielding cavity 10 can shield and protect the driving motor 41, the driving gear set 42 and the driven gear set 43, so that the reliability of the annular clock can be improved, the safety of the annular clock can be improved, the attractiveness of the annular clock can be improved, and the service life of the annular clock can be prolonged.

As shown in fig. 2 and 3, the ring clock further includes a positioning ring 20, and the gears of the driving gear set 42 and the driven gear set 43 are respectively positioned by a fixing shaft 30 provided on the base 1. Wherein one end of each fixed shaft 30 is fixed on the base 1, and the positioning ring 20 is connected with the other end of each fixed shaft 30. The positioning ring 20 is housed in the covering chamber 10. The structure can effectively improve the accuracy and stability of the installation and the positioning of the driving gear set 42 and the driven gear set 43, thereby being beneficial to further improving the reliability of the ring clock.

As shown in fig. 2 and 5, in order to further improve the accuracy and stability of the installation and positioning of the positioning ring 20, the positioning ring 20 is connected to the base 1 through a plurality of reinforcing rods 40. This further improves the accuracy and stability of the mounting and positioning of the positioning ring 20, which contributes to further improving the reliability of the ring clock.

As shown in fig. 3 and 5, the base 1 is provided with a plurality of first limiting rollers 11, each first limiting roller 11 is disposed around an axial center line of the inner ring body 2, a rotation center line of each first limiting roller 11 is parallel to a rotation center line of the inner ring body 2, and each first limiting roller 11 is rolled on a circumferential surface of the inner ring body 2. Through the setting of each first spacing gyro wheel 11, can play fine spacing guide effect to inner ring body 2 to help improving the rotatory smooth and easy nature and the stability of inner ring body 2, and then help further improving the reliability of this annular clock.

As shown in fig. 3, 5 to 7 and 13, the ring clock further includes a first swing frame 12 and a first spring 13, the first swing frame 12 is hinged to the base 1, and one of the first limit rollers 11 is connected to the base 1 through the first swing frame 12, two ends of the first spring 13 respectively elastically press against the first swing frame 12 and the base 1, and the first limit roller 11 on the first swing frame 12 is pressed against the circumferential surface of the inner ring 2 under the elastic action of the first spring 13. Through the arrangement of the first swing frame 12 and the first spring 13, some first limiting rollers 11 can be elastically pressed on the inner ring body 2, which contributes to further improving the accuracy and stability of limiting, and thus the reliability of the ring clock.

As shown in fig. 3, 5 to 7, in the actual manufacturing process, the number of the first swing frame 12 and the first spring 13 may be increased, which further improves the accuracy and stability of the positioning of the inner ring body 2.

For example: as shown in fig. 3 and 5 to 7, four first limiting rollers 11, two first swing frames 12 and two first springs 13 are adopted, the two first springs 13 respectively and elastically act on the two first swing frames 12, wherein the two first limiting rollers 11 are respectively arranged on the two first swing frames 12, the other two first limiting rollers 11 are directly arranged on the base 1, and the two first limiting rollers 11 directly arranged on the base 1 and the two first limiting rollers 11 arranged on the first swing frames 12 are respectively located at two sides of the axial center line of the inner ring body 2. Thus, the two movable first limiting rollers 11 can press the inner ring body 2 in the direction of the two fixed first limiting rollers 11, so that the inner ring body 2 can be accurately and stably positioned on the base 1, which contributes to further improving the reliability of the ring clock.

As shown in fig. 3, 6, 7 and 13, the inner ring 2 is provided with a first protruding ring 24, a first annular groove 111 is formed on the circumferential surface of each first limiting roller 11, and each first annular groove 111 is clamped on the first protruding ring 24. Through the cooperation of first bulge loop 24 and first ring groove 111, can play further limiting displacement to inner ring body 2 to help further improving the accuracy and the stability of inner ring body 2 location.

As shown in fig. 2 to 4, 6, 7, and 15 to 17, the inner ring body 2 includes an inner ring shell 25 and an inner ring sleeve 26, the first protruding ring 24 is disposed on an outer circumferential surface of the inner ring sleeve 26, the inner ring shell 25 is connected to the inner ring sleeve 26 in a nested manner, the first indicating portion 21 is disposed on an outer surface of the inner ring shell 25, the first ring groove 23 is disposed on an outer corner of a back surface of the inner ring shell 25, and the first ring tooth portion 22 is disposed on a groove wall of the first ring groove 23. Therefore, the inner ring shell 25 can be conveniently mounted and dismounted, the first indicating parts 21 of different types can be conveniently replaced, and convenience in maintenance and upgrading is further improved.

As shown in fig. 2, 3 and 5, each of the first limit roller 11, the first swing frame 12 and the first spring 13 is housed in the cover chamber 10. Therefore, the first limiting idler wheels 11, the first swing frame 12 and the first springs 13 can be well shielded, so that the first limiting idler wheels 11, the first swing frame 12 and the first springs 13 are prevented from being damaged, the reliability and the service life of the annular clock are improved, and the attractiveness and the grade of the annular clock are improved.

As shown in fig. 2, 3 and 5, the base 1 is provided with a plurality of second limiting rollers 14, each second limiting roller 14 is arranged around the axial center line of the outer ring body 3, the rotation center line of each second limiting roller 14 is parallel to the rotation center line of the outer ring body 3, and each second limiting roller 14 is rolled on the circumferential surface of the outer ring body 3. Through the arrangement of each second limiting roller 14, a good limiting and guiding effect can be achieved on the outer ring body 3, so that the smoothness and the stability of the rotation of the outer ring body 3 are improved, and the reliability of the annular clock is further improved.

As shown in fig. 2, 3, 5 to 7, the ring clock further includes a second swing frame 15 and a second spring 16, the second swing frame 15 is hinged to the base 1, and one of the second limiting rollers 14 is connected to the base 1 through the second swing frame 15, two ends of the second spring 16 respectively elastically press against the second swing frame 15 and the base 1, and the second limiting roller 14 on the second swing frame 15 is pressed against the circumferential surface of the outer ring body 3 under the elastic action of the second spring 16. Through the arrangement of the second swing frame 15 and the second spring 16, some second limiting rollers 14 can be elastically pressed on the outer ring body 3, which contributes to further improving the accuracy and stability of limiting, and thus the reliability of the ring clock.

As shown in fig. 2, 3, and 5 to 7, in the actual manufacturing process, the number of the second swing frame 15 and the second spring 16 may be increased, so as to further improve the accuracy and stability of positioning the outer ring body 3.

For example: as shown in fig. 2, 3, 5 to 7, four second limiting rollers 14, two second swing frames 15 and two second springs 16 are adopted, the two second springs 16 respectively and elastically act on the two second swing frames 15, wherein the two second limiting rollers 14 are respectively arranged on the two second swing frames 15, the other two second limiting rollers 14 are directly arranged on the base 1, and the two second limiting rollers 14 directly arranged on the base 1 and the two second limiting rollers 14 arranged on the second swing frames 15 are respectively positioned on two sides of the axial center line of the outer ring body 3. Thus, the two movable second limiting rollers 14 can press the outer ring body 3 in the direction of the two fixed second limiting rollers 14, so that the outer ring body 3 can be accurately and stably positioned on the base 1, which contributes to further improving the reliability of the ring clock.

As shown in fig. 2, 3, 6, 7, 14 to 16, a second convex ring 34 is disposed on the outer ring body 3, a second annular groove 141 is disposed on the circumferential surface of each second limiting roller 14, and each second annular groove 141 is clamped on the second convex ring 34. Through the cooperation of second bulge loop 34 with second ring-shaped clamping groove 141, can play further limiting displacement to outer ring body 3 to help further improving the accuracy and the stability of outer ring body 3 location.

As shown in fig. 2, 4, 6, 7, 15, 16 and 18, the outer ring body 3 includes an outer ring shell 35 and an outer ring sleeve 36, the second protrusion ring 34 is disposed on an inner circumferential surface of the outer ring sleeve 36, the outer ring shell 35 is connected to the outer ring sleeve 36 in a nested manner, the second indicator 31 is disposed on an outer surface of the outer ring shell 35, the second ring groove 33 is formed on an inner edge of a back surface of the outer ring shell 35, and the second ring tooth portion 32 is disposed on a groove wall of the second ring groove 33. Thus, the outer ring shell 35 can be conveniently mounted and dismounted, the second indicating part 31 of an unused type can be conveniently replaced, and convenience in maintenance and upgrading is further improved.

As shown in fig. 2, 3 and 5, each of the second limit roller 14, the second swing frame 15 and the second spring 16 is housed in the cover chamber 10. Therefore, the second limiting idler wheels 14, the second swinging frames 15 and the second springs 16 can be well shielded, so that the second limiting idler wheels 14, the second swinging frames 15 and the second springs 16 are prevented from being damaged, the reliability and the service life of the annular clock are improved, and the attractiveness and the grade of the annular clock are improved.

As shown in fig. 1, 2 and 5, the base 1 is annular, and the axial center line of the base 1 is coaxial or parallel to the axial center line of the inner ring body 2. Therefore, the structure of the annular clock can be simplified, the attractiveness and the grade of the annular clock can be effectively improved, and the market competitiveness of the annular clock is further improved.

As shown in fig. 1, 2 and 5, the inner hole of the base 1 and the inner hole of the inner ring 2 are in butt communication. This can constitute a more aesthetic structure, thereby contributing to further improvement of the grade and market competitiveness of the ring clock.

As shown in fig. 12, a hanging hole slot 17 is formed on the back surface of the base 1. This facilitates the mounting and positioning of the ring clock, thereby contributing to an improvement in the convenience of use of the ring clock.

As shown in fig. 12, a battery jar 18 is opened on the back of the base 1, and a detachable shielding cover 19 is covered on the battery jar 18. The battery slot 18 is used for accommodating a battery 50, and the driving motor 41 is electrically connected with the battery 50. This provides a good power to the drive motor 41, so that the ring clock can be well adapted to the requirements of practical use.

The above-mentioned embodiment is the preferred embodiment of the present invention, all with the similar structure of the present invention and the equivalent changes made all should belong to the protection category of the present invention.

Claims (10)

1. A ring clock, comprising: the clock driving mechanism (4) is arranged on the base (1), the inner ring body (2) can be rotatably arranged on the base (1), the rotating center line of the inner ring body (2) is coaxial or parallel to the axial center line of the inner ring body (2), the inner ring body (2) is also in driving connection with the clock driving mechanism (4), the outer ring body (3) can be rotatably arranged on the base (1), the rotating center line of the outer ring body (3) is coaxial or parallel to the axial center line of the outer ring body (3), the outer ring body (3) is also arranged around the inner ring body (2), the outer ring body (3) is in driving connection with the clock driving mechanism (4), and first indicating parts (21) are respectively arranged on the outer surfaces of the inner ring body (2) and the outer ring body (3), And a second indicator (31), wherein one of the first indicator (21) and the second indicator (31) indicates an hour and the other indicates a minute.

2. The ring clock of claim 1, wherein: the clock driving mechanism (4) comprises a driving motor (41), a driving gear set (42) and a driven gear set (43), wherein the driving motor (41), the driving gear set (42) and the driven gear set (43) are arranged on the base (1), the driving gear set (42) is in driving connection with the driving motor (41), the driven gear set (43) and the driving gear set (42) are respectively located on two sides of an axial center line of the inner ring body (2), a first annular tooth part (22) is arranged on the inner ring body (2), the first annular tooth part (22) is meshed with one end of the driven gear set (43), a second annular tooth part (32) is arranged on the outer ring body (3), the second annular tooth part (32) is meshed with the driving gear set (42), and the second annular tooth part (32) is meshed with the other end of the driven gear set (43).

3. The ring clock of claim 2, wherein: first annular groove (23) have been seted up on the outer corner at inner ring body (2) back, second annular groove (33) have been seted up on the inner corner at outer ring body (3) back, second annular groove (33) have constituted with first annular groove (23) jointly and have covered chamber (10), driving motor (41), driving gear group (42) and driven gear group (43) all are covered and are arranged in covering chamber (10).

4. The ring clock of claim 1, wherein: the base (1) is provided with a plurality of first limiting idler wheels (11), each first limiting idler wheel (11) is arranged around the axial center line of the inner ring body (2), the rotating center lines of the first limiting idler wheels (11) are parallel to the rotating center line of the inner ring body (2), and the first limiting idler wheels (11) are rolled on the circumferential surface of the inner ring body (2).

5. The ring clock of claim 4, wherein: the swing frame structure is characterized by further comprising a first swing frame (12) and a first spring (13), wherein the first swing frame (12) is hinged to the base (1), one first limiting idler wheel (11) is connected with the base (1) through the first swing frame (12), two ends of the first spring (13) are respectively elastically pressed against the first swing frame (12) and the base (1), and the first limiting idler wheel (11) on the first swing frame (12) is tightly pressed on the circumferential surface of the inner ring body (2) under the elastic action of the first spring (13).

6. The ring clock according to claim 4 or 5, wherein: the inner ring body (2) is provided with a first convex ring (24), the circumferential surface of each first limiting roller (11) is provided with a first annular clamping groove (111), and each first annular clamping groove (111) is clamped on the first convex ring (24).

7. The ring clock of claim 1, wherein: the base (1) is provided with a plurality of second limiting idler wheels (14), each second limiting idler wheel (14) is arranged around the axial center line of the outer ring body (3), the rotating center lines of the second limiting idler wheels (14) are parallel to the rotating center line of the outer ring body (3), and the second limiting idler wheels (14) are rolled on the circumferential surface of the outer ring body (3).

8. The ring clock of claim 7, wherein: the swing mechanism is characterized by further comprising a second swing frame (15) and a second spring (16), wherein the second swing frame (15) is hinged to the base (1), one second limiting roller (14) is connected with the base (1) through the second swing frame (15), two ends of the second spring (16) respectively elastically prop against the second swing frame (15) and the base (1), and the second limiting roller (14) on the second swing frame (15) is tightly pressed on the circumferential surface of the outer ring body (3) under the elastic action of the second spring (16).

9. The ring clock according to claim 7 or 8, wherein: and a second convex ring (34) is arranged on the outer ring body (3), a second annular clamping groove (141) is formed in the circumferential surface of each second limiting roller (14), and each second annular clamping groove (141) is clamped on the second convex ring (34).

10. The ring clock of claim 1, wherein: the base (1) is annular, and the axial center line of the base (1) is coaxial or parallel to the axial center line of the inner ring body (2).

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