A clock

Abstract

The clock provided by the present application includes a watch case and a movement, the watch case includes a transmission mechanism and a decorative assembly; the transmission mechanism includes a driving member and a transmission gear set, the driving member drives the decorative assembly to rotate through the transmission gear set; the decorative assembly includes a plurality of decorative parts, each of which is provided with a connecting part connected to the transmission gear set below; the plurality of decorative parts of a decorative assembly can be driven by the driving member to rotate simultaneously to present different combination effects. In this way, the needs of more decorative styles can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of clocks and watches, in particular to a clock and watch. Background Art

[0002] Clocks are commonly used items in daily life. In order to increase the interest, clocks are often equipped with decorative parts to beautify the dial.

[0003] A Chinese utility model patent (application number: 201720869047.0) discloses a watch in which a decorative piece is arranged and the decorative piece can rotate, which greatly increases the fun. However, it still has some shortcomings. In the patent, multiple decorative pieces are arranged in a circumferential direction, and a decorative piece is arranged at each position and rotates. The decorative form of a decorative piece is single, and different decorative effects cannot be presented at the same position.

[0004] Therefore, there are still problems to be solved in the prior art. Utility Model Content

[0005] The main purpose of the utility model is to provide a clock, which is intended to meet the needs of more decorative styles.

[0006] To achieve the above-mentioned purpose, the clock proposed in the utility model includes a case and a movement, the case includes a transmission mechanism and a decorative assembly; the transmission mechanism includes a driving member and a transmission gear set, the driving member drives the decorative assembly to rotate through the transmission gear set; the decorative assembly includes a plurality of decorative parts, each of which is provided with a connecting part connected to the transmission gear set; the plurality of decorative parts of a decorative assembly can rotate simultaneously under the drive of the driving member to present different combination effects.

[0007] Preferably, the transmission gear set comprises a driving wheel connected to the driving member and a driven wheel meshed with the driving wheel and connected to the connecting part.

[0008] Preferably, the driving wheel comprises driving wheel teeth and a driving shaft, and the driven wheel comprises driven wheel teeth and a driven shaft; the driving shaft is connected to the driving member, and the driven shaft is connected to the connecting portion; the driving wheel teeth are meshed with the driven wheel teeth.

[0009] Preferably, the watch case further comprises an upper cover plate, the upper cover plate is provided with a decorative hole group, the decorative hole group comprises a plurality of decorative holes; the driven shaft and / or the connecting portion is passed through the decorative hole so that the driven gear teeth are at least partially located below the upper cover plate.

[0010] Preferably, the upper cover plate is arranged in a ring shape, and the decorative hole groups are arranged in multiple groups; the multiple decorative hole groups are arranged along the circumference of the upper cover plate.

[0011] Preferably, a lower cover plate is arranged below the upper cover plate; the driving gear teeth and the driven gear teeth are at least partially located between the upper cover plate and the lower cover plate, and the parts located between the upper cover plate and the lower cover plate are meshed with each other.

[0012] Preferably, the lower cover plate is provided with a through hole, and the driving shaft passes through the through hole; and the driving member is located below the lower cover plate.

[0013] Preferably, the upper cover plate and the lower cover plate are provided with screw holes; the lower cover plate is provided with a plurality of protrusions, and the screw holes of the lower cover plate are arranged on the protrusions, so that when the upper cover plate and the lower cover plate are locked by screws, an engagement space for the driving gear teeth and the driven gear teeth to engage is formed between adjacent protrusions.

[0014] Preferably, the decorative assembly includes a first decorative piece and a second decorative piece; the distance between the decorative portion of the first decorative piece and the upper cover plate is greater than the distance between the decorative portion of the second decorative piece and the upper cover plate, so that when the decorative portion of the first decorative piece and the decorative portion of the second decorative piece rotate, the two avoid each other.

[0015] Preferably, the decoration assembly comprises a first decoration piece and a second decoration piece; the rotational circumference of the decorative portion of the first decoration piece and the rotational circumference of the decorative portion of the second decoration piece do not overlap each other.

[0016] The clock provided in the embodiment of the present application includes a watch case and a movement, the watch case includes a transmission mechanism and a decorative assembly; the transmission mechanism includes a driving member and a transmission gear set, the driving member drives the decorative assembly to rotate through the transmission gear set; the decorative assembly includes a plurality of decorative parts, each of which is provided with a connecting part connected to the transmission gear set below; the plurality of decorative parts of a decorative assembly can be driven by the driving member to rotate simultaneously to present different combination effects. In this way, the needs of more decorative styles can be met. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0018] Figure 1 A schematic diagram of an embodiment of a clock of the utility model;

[0019] Figure 2 An exploded view of an embodiment of a clock of the utility model;

[0020] Figure 3 A schematic diagram of the decorative part and the connecting part of an embodiment of a timepiece of the utility model;

[0021] Figure 4 A schematic diagram of an upper cover plate of an embodiment of a clock of the utility model;

[0022] Figure 5 A schematic diagram of a driving wheel of an embodiment of a clock of the utility model;

[0023] Figure 6 A schematic diagram of a driven wheel of an embodiment of a clock of the utility model;

[0024] Figure 7 A schematic diagram of a lower cover plate of an embodiment of a clock of the utility model;

[0025] Figure 8 A schematic diagram of a driving member of an embodiment of a clock of the utility model;

[0026] Fig. 9 The figure is a schematic diagram of the decorative assembly and the transmission mechanism of an embodiment of the clock of the present utility model.

[0027] Description of Figure Numbers:

[0028] Label name Label name 100 Transmission mechanism 220 Connection 110 Drive parts 230 First decorative piece 120 Transmission gear set 240 Second decorative piece 121 Drive wheel 300 Upper cover 121a Drive gear 310 Decorative hole set 121b Drive shaft 311 Decorative holes 122 Driven wheel 400 Lower cover 122a Driven gear teeth 410 Through Hole 122b Driven shaft 420 convex part 200 Decorative components 500 Screw hole 210 Decoration Department 600 Meshing Space

[0029] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0032] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0033] Clocks are commonly used items in daily life. In order to increase the interest, clocks are often equipped with decorative parts to beautify the dial.

[0034] A Chinese utility model patent (application number: 201720869047.0) discloses a watch in which a decorative piece is arranged and the decorative piece can rotate, which greatly increases the fun. However, it still has some shortcomings. In the patent, multiple decorative pieces are arranged in a circumferential direction, and a decorative piece is arranged at each position and rotates. The decorative form of a decorative piece is single, and different decorative effects cannot be presented at the same position.

[0035] In order to solve the above problems, this patent provides a timepiece that is designed to meet the needs of more decorative styles.

[0036] For ease of understanding, the specific implementation of the embodiments of the present application is described in detail below with reference to the accompanying drawings.

[0037] See also Figure 1 , Figure 2 , Figure 3 , Figure 8 and Fig. 9 A watch comprises a watch case and a movement, wherein the watch case comprises a transmission mechanism 100 and a decorative assembly 200; the transmission mechanism 100 comprises a driving member 110 and a transmission gear set 120, wherein the driving member 110 drives the decorative assembly 200 to rotate via the transmission gear set 120; the decorative assembly 200 comprises a plurality of decorative parts 210, wherein a connecting part 220 connected to the transmission gear set 120 is provided below each decorative part 210; the plurality of decorative parts 210 of a decorative assembly 200 can rotate simultaneously under the drive of the driving member 110, the plurality of decorative parts 210 can be combined to produce a decorative effect, and can present different combined decorative effects by rotating respectively at the same time.

[0038] In this embodiment, multiple decorative parts 210 of a decorative component 200 can rotate simultaneously under the drive of the driving member 110, so that the user can change the decorative part 210, combine multiple decorative parts 210 of different styles, and form the decorative parts 210 of the same group of decorative components 200, and the decorative parts 210 of the decorative component 200 can all rotate, so when the decorative parts 210 of the decorative component 200 rotate, the decorative parts 210 can cooperate with each other to form different decorative styles. In this way, the needs of more decorative styles can be met, and multiple rotating decorative parts 210 can be designed with a variety of specific decorative effects, such as the decorative parts cooperate to present a specific flower pattern effect at a certain moment, and at another moment, the decorative parts cooperate to present another specific flower pattern effect.

[0039] It should be noted that based on the technical solution that the driving member 110 drives the decorative assembly 200 to rotate through the transmission gear set 120, there is a further technical problem of how to implement the transmission gear set 120 so that the driving member 110 can drive the decorative assembly 200 to rotate through the transmission gear set 120. In order to solve the above problem, the present application provides a preferred implementation.

[0040] See also Figure 2 , Figure 5 , Figure 6 and Fig. 9 The transmission gear set 120 includes a driving wheel 121 connected to the driving member 110 and a driven wheel 122 meshing with the driving wheel 121 and connected to the connecting portion 220 .

[0041] In this embodiment, the driving wheel 121 is connected to the driving member 110, and the driven wheel 122 is connected to the connecting part 220. The driving wheel 121 and the driven wheel 122 are meshed, so that the torque can be transmitted to the connecting part 220 through the meshed driving wheel 121 and the driven wheel 122, so that the decorative component 200 rotates under the action of the torque.

[0042] It should be noted that there are many implementations of the driving wheel 121 and the driven wheel 122. The specific implementation that meets the above requirements is not limited in this embodiment, and for ease of understanding, this application provides a preferred implementation.

[0043] See also Figure 5 , Figure 6 and Fig. 9 The driving wheel 121 includes driving gear teeth 121a and a driving shaft 121b, and the driven wheel 122 includes driven gear teeth 122a and a driven shaft 122b; the driving shaft 121b is connected to the driving member 110, and the driven shaft 122b is connected to the connecting portion 220; the driving gear teeth 121a are meshed with the driven gear teeth 122a.

[0044] In this embodiment, the driving shaft 121b is connected to the driving member 110, the driven shaft 122b is connected to the connecting part 220, and the driving gear teeth 121a are meshed with the driven gear teeth 122a, so that the torque can be transmitted to the connecting part 220 through the meshing driving wheel 121 and the driven wheel 122, so that the decorative component 200 rotates under the action of the torque.

[0045] It should be noted that, in order to make the appearance of the watch beautiful, some parts of the watch are generally covered. In this way, there is a technical problem of how to display the decorative part 210 of the decorative assembly 200 without affecting the rotation of the decorative assembly 200. In order to solve the above problem, the present application provides a preferred implementation.

[0046] See also Figure 2 , Figure 3 , Figure 4 and Figure 6 The watch case also includes an upper cover plate 300, and the upper cover plate 300 is provided with a decorative hole group 310, and the decorative hole group 310 includes a plurality of decorative holes 311; the driven shaft 122b and / or the connecting portion 220 are penetrated through the decorative hole 311, so that the driven gear teeth 122a are at least partially located below the upper cover plate 300. The gear teeth are at least partially located below the upper cover plate, which means that they can be completely located below the upper cover plate, or a groove can be formed on the upper cover plate, and the depth of the groove is less than the thickness of the gear teeth, wherein a part of the gear teeth can be located in the groove, and another part of the gear teeth can be located below the upper cover plate. Other "at least partially located below..." in the present utility model are all for this purpose, and no repeated explanation is given.

[0047] In this embodiment, the upper cover plate 300 is a component used for shielding. When the driven shaft 122b and / or the connecting portion 220 are inserted into the decorative hole 311, the decorative portion 210 is located above the upper cover plate 300 to achieve the effect of displaying the decorative portion 210. At the same time, by inserting the driven shaft 122b and / or the connecting portion 220 into the decorative hole 311, the driven gear teeth 122a are at least partially located below the upper cover plate 300, so that the driven gear teeth 122a located below the upper cover plate 300 can mesh with the driving gear teeth 121a, so that the decorative component 200 can bear the torque and realize rotation. The driven gear teeth 122a are at least partially located below the upper cover plate 300, which means that the driven gear teeth 122a can be completely located below the upper cover plate 300, or a part of the driven gear teeth 122a is located in the decorative hole 311, and the other part is located below the upper cover plate 300 and meshes with the driving gear teeth 121a.

[0048] It should be noted that based on the technical solution of the case including the upper cover plate 300 and the decorative part 210 of the decorative assembly 200, there is a further technical problem of how to prevent the decorative part 210 of the decorative assembly 200 from affecting the rotation of the watch hands. In order to solve the above problem, the present application provides a preferred implementation.

[0049] See also Figure 4 The upper cover plate 300 is arranged in a ring shape, and the decorative hole groups 310 are arranged in a plurality of groups; the plurality of decorative hole groups 310 are arranged along the circumference of the upper cover plate 300.

[0050] In this embodiment, the upper cover 300 is arranged in a ring shape, and the decorative hole groups 310 are arranged in multiple groups. The multiple decorative hole groups 310 are arranged along the circumference of the upper cover 300, so that the decorative part 210 of the decorative component 200 is located on the outer periphery of the clock, and when the decorative component 200 rotates, it will not affect the pointer located in the middle of the clock. In addition, the arrangement of multiple decorative hole groups 310 allows multiple decorative components 200 to be arranged on the clock, thereby increasing the overall aesthetics.

[0051] It should be noted that based on the technical solution that the watch case includes the upper cover plate 300 and the driving gear teeth 121a and the driven gear teeth 122a are meshed, there is a further technical problem of how to prevent other components of the watch from affecting the meshing of the driving gear teeth 121a and the driven gear teeth 122a. In order to solve the above problem, the present application provides a preferred implementation.

[0052] See also Figure 2 , Figure 7 and Fig. 9 , a lower cover plate 400 is arranged below the upper cover plate 300; the driving gear teeth 121a and the driven gear teeth 122a are at least partially located between the upper cover plate 300 and the lower cover plate 400, and the portions located between the upper cover plate 300 and the lower cover plate 400 are meshed with each other.

[0053] In this embodiment, by arranging the lower cover plate 400 below the upper cover plate 300, a portion of the driving gear teeth 121a and a portion of the driven gear teeth 122a located between the upper cover plate 300 and the lower cover plate 400 are separated from other components, so that the driving gear teeth 121a and the driven gear teeth 122a located between the upper cover plate 300 and the lower cover plate 400 are meshed with each other, and will not be affected by other components when transmitting torque. Similarly, at least partially located between the upper cover plate 300 and the lower cover plate 400 means that the driving gear teeth 121a and the driven gear teeth 122a can be completely located between the upper cover plate 300 and the lower cover plate 400, or a portion can be located in the hole structure of the cover plate, and the other portion can be located between the upper cover plate 300 and the lower cover plate 400.

[0054] It should be noted that, based on the technical solution that the lower cover plate 400 is disposed below the upper cover plate 300, the driving gear teeth 121a and the driven gear teeth 122a are partially meshed with each other between the upper cover plate 300 and the lower cover plate 400. Further, there is a technical problem of how to set the driving member 110 so as not to affect the meshing of the driving gear teeth 121a and the driven gear teeth 122a during the torque transmission process. In order to solve the above problem, the present application provides a preferred implementation.

[0055] See also Figure 5 and Figure 7 The lower cover plate 400 is provided with a through hole 410 , and the driving shaft 121 b passes through the through hole 410 ; the driving member 110 is located below the lower cover plate 400 .

[0056] In this embodiment, the driving shaft 121b is passed through the through hole 410, so that the driving member 110 can be set below the lower cover plate 400, so that the driving member 110 receives the torque of the movement and transmits the torque to the driving wheel 121 without affecting the meshing of the driving wheel teeth 121a and the driven wheel teeth 122a.

[0057] It should be noted that, based on the technical solution that the lower cover plate 400 is disposed below the upper cover plate 300, the driving gear teeth 121a and the driven gear teeth 122a are partially meshed with each other between the upper cover plate 300 and the lower cover plate 400, and further, there is a technical problem of how to dispose the lower cover plate 400 below the upper cover plate 300. In order to solve the above problem, the present application provides a preferred implementation.

[0058] See also Figure 1 , Figure 4 and Figure 7 The upper cover plate 300 and the lower cover plate 400 are provided with screw holes 500; the lower cover plate 400 is provided with a plurality of protrusions 420, and the screw holes 500 of the lower cover plate 400 are arranged on the protrusions 420, so that when the upper cover plate 300 and the lower cover plate 400 are fastened by screws, an engagement space 600 for the driving gear teeth 121a and the driven gear teeth 122a to engage with is formed between adjacent protrusions 420.

[0059] In this embodiment, by providing screw holes 500 on the upper cover plate 300 and the lower cover plate 400, the two can be locked and fixed by screws, so that the lower cover plate 400 is arranged below the upper cover plate 300. The screw holes 500 of the lower cover plate 400 are arranged on the protrusions 420 thereof, so that when the two are locked and fixed, a meshing space 600 is formed between adjacent protrusions 420, and the meshing space 600 provides meshing for the driving gear teeth 121a and the driven gear teeth 122a, so that the meshing of the two will not be affected by other components.

[0060] It should be noted that the decorative assembly 200 is composed of at least two decorative pieces, each of which is provided with a decorative portion 210, and a connecting portion 220 is provided below each decorative portion 210. By driving the decorative piece of the decorative assembly 200 to rotate, the decorative portion 210 on the decorative piece is driven to rotate. When the decorative portion 210 rotates, it is required that the decorative portions 210 do not affect each other's rotation. The specific implementation method that meets the above requirements is not limited in this embodiment. For ease of understanding, this application provides two preferred implementation methods.

[0061] Method 1:

[0062] See also Fig. 9 The decorative assembly 200 includes a first decorative piece 230 and a second decorative piece 240; the distance between the decorative portion 210 of the first decorative piece 230 and the upper cover plate 300 is greater than the distance between the decorative portion 210 of the second decorative piece 240 and the upper cover plate 300, so that when the decorative portion 210 of the first decorative piece 230 and the decorative portion 210 of the second decorative piece 240 rotate, the two avoid each other.

[0063] In this embodiment, the distance between the decorative part 210 of the first decorative piece 230 and the upper cover plate 300 is greater than the distance between the decorative part 210 of the second decorative piece 240 and the upper cover plate 300, so that the decorative part 210 of the first decorative piece 230 and the decorative part 210 of the second decorative piece 240 are offset up and down to achieve an avoidance effect, so that the decorative parts 210 of the two will not affect each other's rotation when rotating.

[0064] Method 2:

[0065] Optionally, the decoration assembly 200 includes a first decoration piece 230 and a second decoration piece 240 ; the rotation circumference of the decoration portion 210 of the first decoration piece 230 and the rotation circumference of the decoration portion 210 of the second decoration piece 240 do not overlap with each other.

[0066] In this embodiment, the rotation circle of the decorative part 210 refers to the circle formed by the motion trajectory of the decorative part 210 when the decorative part 210 rotates. The rotation circle of the decorative part 210 of the first decorative part 230 and the rotation circle of the decorative part 210 of the second decorative part 240 do not overlap each other, so that the decorative parts 210 of the two will not affect each other's rotation when rotating.

[0067] Method 3:

[0068] The decorative component 200 includes a first decorative piece 230 and a second decorative piece 240. The rotation circumference of the decorative portion 210 of the first decorative piece 230 overlaps with the rotation circumference of the decorative portion 210 of the second decorative piece 240, and the distance between the decorative portion 210 of the first decorative piece 230 and the upper cover plate 300 is equal to the distance between the decorative portion 210 of the second decorative piece 240 and the upper cover plate 300. However, the decorative portion 210 of the first decorative piece 230 and the decorative portion 210 of the second decorative piece 240 avoid each other when rotating and no collision occurs.

[0069] In summary, the clock provided in the embodiment of the present application includes a watch case and a movement, the watch case includes a transmission mechanism 100 and a decorative assembly 200; the transmission mechanism 100 includes a driving member 110 and a transmission gear set 120, the driving member 110 drives the decorative assembly 200 to rotate through the transmission gear set 120; the decorative assembly 200 includes a plurality of decorative parts 210, each of which is provided with a connecting part 220 connected to the transmission gear set 120 below; the plurality of decorative parts 210 of a decorative assembly 200 can be driven by the driving member 110 to rotate simultaneously to present different combination effects. In this way, the needs of more decorative styles can be met.

[0070] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A timepiece, characterized in that: It comprises a watch case and a movement, wherein the watch case comprises a transmission mechanism and a decorative component; The transmission mechanism comprises a driving member and a transmission gear set, and the driving member drives the decoration component to rotate through the transmission gear set; The decoration component includes a plurality of decoration parts, and a connection part connected to the transmission gear set is provided below each of the decoration parts; the plurality of decoration parts of a decoration component can rotate simultaneously under the drive of the driving member to present different combination effects.

2. The timepiece according to claim 1, wherein: The transmission gear set includes a driving wheel connected to the driving member and a driven wheel meshed with the driving wheel and connected to the connecting portion.

3. The timepiece according to claim 2, characterized in that The driving wheel comprises driving wheel teeth and a driving shaft, and the driven wheel comprises driven wheel teeth and a driven shaft; the driving shaft is connected to the driving member, and the driven shaft is connected to the connecting portion; the driving wheel teeth are meshed with the driven wheel teeth.

4. The timepiece according to claim 3, characterized in that The watch case further comprises an upper cover plate, the upper cover plate is provided with a decorative hole group, and the decorative hole group comprises a plurality of decorative holes; The driven shaft and / or the connecting portion is / are inserted into the decorative hole so that at least a portion of the driven gear teeth is located below the upper cover plate.

5. The timepiece according to claim 4, characterized in that The upper cover plate is arranged in a ring shape, and the decorative hole groups are arranged in a plurality of groups; the plurality of decorative hole groups are arranged along the circumference of the upper cover plate.

6. The timepiece according to claim 4, characterized in that A lower cover plate is arranged below the upper cover plate; the driving gear teeth and the driven gear teeth are at least partially located between the upper cover plate and the lower cover plate, and the parts located between the upper cover plate and the lower cover plate are meshed with each other.

7. The timepiece according to claim 6, characterized in that The lower cover plate is provided with a through hole, and the driving shaft is passed through the through hole; the driving member is located below the lower cover plate.

8. The timepiece according to claim 6, characterized in that The upper cover plate and the lower cover plate are provided with screw holes; The lower cover plate is provided with a plurality of protrusions, and the screw holes of the lower cover plate are provided on the protrusions, so that when the upper cover plate and the lower cover plate are fastened by screws, a meshing space for the driving gear teeth and the driven gear teeth to mesh is formed between adjacent protrusions.

9. The timepiece according to claim 4, characterized in that The decorative assembly includes a first decorative piece and a second decorative piece; The distance between the decorative part of the first decorative piece and the upper cover plate is greater than the distance between the decorative part of the second decorative piece and the upper cover plate, so that when the decorative part of the first decorative piece and the decorative part of the second decorative piece rotate, they avoid each other.

10. The timepiece according to claim 1, wherein: The decorative assembly includes a first decorative piece and a second decorative piece; The rotational circumference of the first decorative part and the rotational circumference of the second decorative part do not overlap each other.

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