Jewelry with adjustable length

Abstract

The utility model relates to the technical field of jewelry, and discloses length-adjustable jewelry which comprises a fixed decorating part, a movable decorating part capable of moving relative to the fixed decorating part and a connecting rope, a damping part is arranged on the fixed decorating part, the first end of the connecting rope is connected with the fixed decorating part, and the second end of the connecting rope is connected with the movable decorating part. The second end of the connecting rope penetrates through the damping part and then is connected with the movable decorating part. When the second end of the connecting rope is pulled and moved relative to the damping piece, the damping piece can apply resistance to the connecting rope. According to the jewelry, the shape and length of the jewelry are adjusted through the movable decorating part and the damping part, so that the jewelry is attractive and convenient, and the dual requirements of consumers on decoration and functionality of the jewelry are met.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of jewelry, in particular to a jewelry with adjustable length. BACKGROUND

[0002] With the increasing material and spiritual consumption, consumers' concept of jewelry consumption is becoming more mature and rational. While focusing on the aesthetics of jewelry, the concern for the versatility and wearing comfort of jewelry is also increasing. This change in consumption concept puts higher requirements on jewelry design and manufacturing technology. Currently, the market sells jewelry with chains, such as necklaces. People often want to adjust the length of the chain, and there are multiple hanging rings at different positions on the chain to adjust the length of the chain. However, adjusting the length of the chain is limited to the position of the hook, and the length of the chain cannot be adjusted at will, and the overall sensory experience is neither beautiful nor convenient. With the change of seasons and dressing, consumers not only have different requirements for the length of the jewelry, but also hope that the jewelry can achieve beauty and convenience. CONTENT OF THE UTILITY MODEL

[0003] To solve the above problems, the utility model provides a jewelry with adjustable length.

[0004] The utility model provides a jewelry with adjustable length, including fixed decoration piece, movable decoration piece who can move relative to fixed decoration piece and connecting rope, the connecting rope has opposite first end and second end, fixed decoration piece is equipped with damping piece, the first end of connecting rope is connected with fixed decoration piece, the second end of connecting rope passes through damping piece and is connected with movable decoration piece, when the second end of connecting rope is relative damping piece and is pulled and moves, damping piece can add resistance to connecting rope.

[0005] In an embodiment, the fixed decoration piece includes a central base and a plurality of sub-decorative pieces arranged around the periphery of the central base, the sub-decorative pieces are fixedly connected with the central base, and the damping piece is arranged in the central base; the first end of the connecting rope is connected with the sub-decorative piece, and the second end of the connecting rope is connected with the movable decoration piece after passing through the central base and the damping piece.

[0006] In an embodiment, the fixed decoration piece has a notch corresponding to one side of the movable decoration piece; the movable decoration piece has an extended state and a retracted state, and when the movable decoration piece is in the retracted state, the movable decoration piece is located at the notch.

[0007] In an embodiment, the movable decoration piece includes a first decoration piece, and when the movable decoration piece is in the retracted state, the first decoration piece and a plurality of the sub-decorative pieces surround the central base to form a multi-leaf grass structure.

[0008] In an embodiment, the sub-decorative piece is a heart-shaped structure or a leaf-shaped structure, the first decorative piece is a heart-shaped structure or a leaf-shaped structure, and the heart apex or leaf tail of the sub-decorative piece and the heart apex or leaf tail of the first decorative piece are arranged close to the central base, and the heart apex or leaf tail of the sub-decorative piece is fixedly connected to the central base.

[0009] In an embodiment, the central base is provided with a first through hole for the connection rope to pass in and a second through hole for the connection rope to pass out, and the second through hole is arranged corresponding to the gap.

[0010] In an embodiment, the central base comprises a central base body, the central base body is provided with a first through hole for the connection rope to pass in and a second through hole for the connection rope to pass out, and the second through hole is arranged corresponding to the gap.

[0011] In an embodiment, the fixed decorative piece further comprises a first connecting part, the first connecting part is connected to the sub-decorative piece, and the first end of the connection rope is connected to the first connecting part.

[0012] In an embodiment, the fixed decorative piece is provided with a limiting channel, the limiting channel is located on the sub-decorative piece, and the second end of the connection rope passes through the limiting channel and the central base in sequence.

[0013] In an embodiment, the number of the sub-decorative pieces is at least three; the first connecting part is arranged between two adjacent sub-decorative pieces, and the limiting channel is arranged between another two adjacent sub-decorative pieces.

[0014] In an embodiment, the fixed decorative piece is provided with a limiting part, the limiting channel comprises a proximal end close to the central base and a distal end away from the central base, the limiting part is arranged on the sub-decorative piece, and the limiting part is arranged corresponding to the distal end of the limiting channel, and the limiting part is used for limiting the connection rope in the limiting channel.

[0015] In an embodiment, the central base further comprises a decorative main stone and a plurality of positioning columns, the central base body is provided with a recess, the decorative main stone is inlaid in the recess, and the positioning columns are arranged on the central base body in a manner of surrounding the decorative main stone at equal intervals.

[0016] In an embodiment, the movable decorative piece further comprises a second connecting part, the second connecting part is connected to the first decorative piece, and the second end of the connection rope is connected to the second connecting part.

[0017] In an embodiment, the damping member is arranged in the central base body, the damping member is provided with a damping channel, the second end of the connecting rope passes through the first through hole and the damping channel of the damping member in sequence, and then passes out from the second through hole and is connected with the movable decoration piece.

[0018] The utility model has the advantages that: the movable decoration piece is pulled to drive the movement of the connecting rope, the length of the jewelry is adjusted, the form of the jewelry is changed simultaneously, the user can adjust the length and form change of the jewelry according to the own preference and dress collocation, the dual demands of the user for the decoration and function of the jewelry are met, the distance change of the movable decoration piece relative to the fixed decoration piece is controlled by the damping member, the diversity and stability of the form of the jewelry are realized. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the utility model, and should not be regarded as the limitation to the scope, and for the ordinary skilled in the art, other related drawings can also be obtained without the creative labor on the premise of the drawings.

[0020] Figure 1 It is the front view schematic drawing of the jewelry of the utility model embodiment in the state of being threaded and separated.

[0021] Figure 2 It is the top view schematic drawing of the jewelry of the utility model embodiment in the state of not being threaded.

[0022] Figure 3 It is the vertical direction cross section schematic drawing of the central base body of the utility model embodiment.

[0023] Figure 4 It is the back view schematic drawing of the jewelry of the utility model embodiment in the state of being threaded and separated.

[0024] Figure 5 It is the back view schematic drawing of the jewelry of the utility model embodiment in the state of not being threaded and separated.

[0025] Figure 6 It is the three-dimensional schematic drawing of the jewelry of the utility model embodiment in the state of being threaded and separated.

[0026] Figure 7 It is the front view schematic drawing of the jewelry of the utility model embodiment in the state of being threaded and folded.

[0027] Figure 8 It is the back view schematic drawing of the jewelry of the utility model embodiment in the state of being threaded and folded.

[0028] Figure 9 Figure 1 is a back view of a jewelry in a non-threading and folding state according to an embodiment of the present application.

[0029] Figure 10 Figure 2 is a perspective view of a jewelry in a threading and folding state according to an embodiment of the present application.

[0030] Figure 11 Figure 3 is a perspective view of a jewelry in a non-threading and folding state according to an embodiment of the present application. DETAILED DESCRIPTION

[0031] The specific embodiments of the present application will be described in detail hereinafter with reference to the drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all the embodiments. Based on the description of the present application, all the other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the scope of the present application.

[0032] In the description of the present application, unless explicitly defined and limited, the terms "setting", "mounting", "connecting" and the like shall be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, or indirectly connected through an intermediate medium. The specific meanings of the above terms can be understood according to the specific circumstances by those of ordinary skill in the art.

[0033] The terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship of the product of the present application when it is usually placed, which is only for the convenience of description and simplification of the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0034] The terms "first", "second", "third" and the like are only for distinguishing similar attributes, and do not indicate or imply relative importance or a specific order.

[0035] The terms "including", "containing" or any other variants thereof are intended to cover non-exclusive inclusion, in addition to including the listed elements, other elements not explicitly listed can also be included.

[0036] Please refer to Figures 1-11, which shows a length-adjustable jewelry provided in an embodiment of the utility model, including a fixed decorative piece 1, a movable decorative piece 2 that can move relative to the fixed decorative piece 1, and a connecting rope 3, the connecting rope 3 having a first end and a second end opposite to each other, a damping piece 4 being provided on the fixed decorative piece 1, the first end of the connecting rope 3 being connected to the fixed decorative piece 1, and the second end of the connecting rope 3 passing through the damping piece 4 and then connected to the movable decorative piece 2; when the second end of the connecting rope 3 is pulled and moved relative to the damping piece 4, the damping piece 4 can apply resistance to the connecting rope 3.

[0037] By the movement of the movable decorative part 2 relative to the fixed decorative part 1, the second end of the connecting rope 3 is driven to move, thereby achieving the effect of adjusting the length of the jewelry. The distance of the movable decorative part 2 relative to the fixed decorative part 1 changes, so that the overall shape of the jewelry changes. The user can adjust the length and shape as needed to meet the user's decorative and functional requirements for the jewelry; when the movable decorative part 2 is stopped, the resistance applied by the damping part 4 to the connecting rope 3 prevents the connecting rope 3 from moving with gravity, thereby fixing the position of the movable decorative part 2 relative to the fixed decorative part 1, and realizing the diversity and stability of the jewelry shape.

[0038] In one embodiment, the connecting rope 3 can be a metal chain, a red rope, a black rope or other similar rope bodies with opposite first and second ends. This is not limited here, and the user can adjust the selection of the connecting rope 3 according to his or her own preferences.

[0039] In one embodiment, the damping member 4 can be a rubber member, a silicone member, or other member having a friction damping effect. The shape and size of the damping member 4 are not limited. The damping member 4 can be disposed on the surface of the fixed decorative member 1 or inside the fixed decorative member 1, as long as the damping effect is achieved.

[0040] In one embodiment, the fixed decorative component 1 includes a central base 11 and a plurality of sub-decorative components 12 arranged around the periphery of the central base 11, the sub-decorative components 12 are fixedly connected to the central base 11, and the damping component 4 is arranged in the central base 11; the first end of the connecting rope 3 is connected to the sub-decorative component 12, and the second end of the connecting rope 3 passes through the central base 11 and the damping component 4 and is connected to the movable decorative component 2.

[0041] like Figure 1 As shown, a more aesthetically pleasing effect can be achieved by a plurality of sub-decorative parts 12 arranged around the periphery of the central base 11 , and the damping member 4 is arranged in the central base 11 , which will not affect the overall structural design and aesthetic effect of the jewelry.

[0042] In one embodiment, the fixed decorative piece 1 has a notch A on one side corresponding to the movable decorative piece 2 ; the movable decorative piece 2 has an extended state and a retracted state. When the movable decorative piece 2 is in the retracted state, the movable decorative piece 2 is located at the notch A.

[0043] As shown in Figure 1 and Figure 5 , the setting of the notch A facilitates the extension and retraction of the movable decoration 2, so that the jewelry maintains the integrity and unique beauty of the whole.

[0044] In an embodiment, the movable decoration 2 comprises a first decoration 21, which, when the movable decoration 2 is in the retracted state, forms a multi-leaf clover structure with the plurality of sub-decorations 12 around the central base 11.

[0045] In an embodiment, the first decoration 21 can be a regular shape structure such as a heart shape, a circle, a triangle, etc., or an irregular shape such as a grass leaf shape, a tree leaf shape or other leaf shape, and a wave shape. The sub-decorations 12 can be a regular shape structure such as a heart shape, a circle, a triangle, etc., or an irregular shape such as a grass leaf shape, a tree leaf shape or other leaf shape, and a wave shape. The first decoration 21 and the sub-decorations 12 can be the same shape structure to maintain the integrity and beauty of the whole, or the first decoration 21 and the sub-decorations 12 can be adjusted to different shape structures as needed. When the movable decoration 2 is in the retracted state, the first decoration 21 and the plurality of sub-decorations 12 form a three-leaf clover, a four-leaf clover or other multi-leaf clover structure around the central base 11, achieving the integrity and unique beauty of the whole.

[0046] In an embodiment, the sub-decorations 12 are in a heart shape structure or a leaf shape structure, the first decoration 21 is in a heart shape structure or a leaf shape structure, the tips of the heart or the tails of the leaf of the sub-decorations 12 and the tips of the heart or the tails of the leaf of the first decoration 21 are arranged close to the central base 11, and the tips of the heart or the tails of the leaf of the sub-decorations 12 are fixedly connected to the central base 11.

[0047] As shown in Figure 1 , Figures 4-11 , in this embodiment, the sub-decorations 12 and the first decoration 21 are both in a heart shape structure, the tips of the heart of the sub-decorations 12 and the tips of the heart of the first decoration 21 are arranged close to the central base 11, and the tips of the heart of the sub-decorations 12 are fixedly connected to the central base 11, which can maintain the consistency and beauty of the whole.

[0048] In another embodiment, the sub-decorations 12 and the first decoration 21 are both in a leaf shape structure, which can be a grass leaf structure or a tree leaf structure, the tails of the leaf of the sub-decorations 12 and the tails of the leaf of the first decoration 21 are arranged close to the central base 11, and the tails of the leaf of the sub-decorations 12 are fixedly connected to the central base 11.

[0049] In an embodiment, the central base 11 is provided with a first through hole 111a for the connecting rope 3 to pass in and a second through hole 111b for the connecting rope 3 to pass out, and the second through hole 111b corresponds to the notch A.

[0050] In an embodiment, as shown in Figure 3 The central base 11 includes a central base body 111, on which a first through hole 111a for the connecting rope 3 to pass in and a second through hole 111b for the connecting rope 3 to pass out are arranged. The second through hole 111b is arranged corresponding to the gap A.

[0051] The first through hole 111a can be a square through hole, a circular through hole, etc., and the specific shape and size of the arrangement are not limited, which is convenient for the connecting rope 3 to pass in; the second through hole 111b can be a square through hole, a circular through hole, etc., and the specific shape and size of the arrangement are not limited, which is convenient for the connecting rope 3 to pass in. The second through hole 111b is arranged corresponding to the gap A, which is convenient for the connecting rope 3 to pass out and connect with the movable decorative piece 2.

[0052] In an embodiment, the fixed decorative piece 1 further includes a first connecting part 13, which is connected with the sub-decorative piece 12, and the first end of the connecting rope 3 is connected with the first connecting part 13.

[0053] As shown in Figure 1 , Figure 4 , Figures 7-8 The first connecting part 13 is fixedly connected with the sub-decorative piece 12, and the first connecting part 13 and the sub-decorative piece 12 are integrally formed or welded; the first end of the connecting rope 3 is detachably connected with the first connecting part 13, which is convenient for cleaning, maintenance and replacement.

[0054] In an embodiment, the fixed decorative piece 1 is provided with a limiting channel 5, which is located on the sub-decorative piece 12, and the second end of the connecting rope 3 passes through the limiting channel 5 and the central base 11 in sequence.

[0055] The limiting channel 5 is connected with the first through hole 111a on the central base body 111, which is convenient for the second end of the connecting rope 3 to pass through the limiting channel 5 and the central base 11 in sequence and connect with the movable decorative piece 2, which can limit the sliding out of the connecting rope 3 to a certain extent. The size of the limiting channel 5 can be different according to the thickness of different connecting ropes 3.

[0056] In an embodiment, the number of the sub-decorative pieces 12 is at least three; the first connecting part 13 is arranged between two adjacent sub-decorative pieces 12, and the limiting channel 5 is arranged between the other two adjacent sub-decorative pieces 12.

[0057] As shown in Figures 4-5 , Figures 8-9As shown, in this embodiment, the number of sub-decorations 12 is three, and the first connecting portion 13 is arranged between the sides of the first sub-decoration 12 and the second sub-decoration 12. On the one hand, it can stabilize the center of gravity, and on the other hand, it is arranged to be more concealed, making the overall appearance more beautiful; the limiting channel 5 is arranged between the sides of the second sub-decoration 12 and the third sub-decoration 12; when the thickness of the sides of the second sub-decoration 12 and the third sub-decoration 12 is sufficient, the limiting channel 5 can realize that the connecting rope 3 is completely built-in and invisible, thereby limiting the sliding out of the connecting rope 3 and improving the overall appearance of the jewelry.

[0058] In one embodiment, a limiting member 6 is provided on the fixed decorative member 1, and the limiting channel 5 includes a proximal end close to the center base 11 and a distal end away from the center base 11. The limiting member 6 is arranged on the sub-decorative member 12, and the limiting member 6 is arranged corresponding to the distal end of the limiting channel 5. The limiting member 6 is used to limit the connecting rope 3 within the limiting channel 5.

[0059] like Figures 4-6 , Figures 8-10 As shown, in this embodiment, there are three sub-decorative components 12. The limiting channel 5 includes a proximal end proximal to the central base 11 and a distal end distal to the central base 11. The limiting member 6 is disposed between the sides of the second and third sub-decorative components 12, and is fixedly connected to the second and third sub-decorative components 12, respectively. The limiting member 6 is disposed corresponding to the distal end of the limiting channel 5. The limiting member 6 has a semi-circular structure. If the thickness of the sides of the second and third sub-decorative components 12, 12 is insufficient, the connecting cord 3 may easily slip out of the limiting channel 5 from the back of the jewelry. The limiting member 6 confines the connecting cord 3 within the limiting channel 5, preventing it from escaping and ensuring the overall aesthetics and stability.

[0060] like Figure 2 、 Figure 6 、 Figure 10 As shown, in one embodiment, the center base 11 also includes a decorative main stone 112 and a plurality of positioning columns 113. A recess is provided on the center base body 111, and the decorative main stone 112 is embedded in the recess. The positioning columns 113 are evenly spaced around the decorative main stone 112 and are set on the center base body 111.

[0061] The decorative main stone 112 is one of diamond, agate, jadeite, pearl, gemstone, and jade, which can further enhance the overall beauty of the jewelry. There are at least two positioning columns to achieve the positioning of the decorative main stone 112; in this embodiment, there are four positioning columns, which can improve the stability of positioning and the overall aesthetics.

[0062] like Figure 1 As shown, in one embodiment, the movable decorative element 2 further includes a second connecting portion 22 , the second connecting portion 22 is connected to the first decorative element 21 , and the second end of the connecting rope 3 is connected to the second connecting portion 22 .

[0063] The second connecting portion 22 is fixedly connected to the movable decorative piece 2, and the second connecting portion 22 and the movable decorative piece 2 are integrally formed or welded; the second end of the connecting rope 3 is detachably connected to the second connecting portion 22, which is convenient for cleaning, maintenance and replacement.

[0064] In one embodiment, the damping member 4 is disposed in the central base body 111, and the damping member 4 is provided with a damping channel. The second end of the connecting rope 3 passes through the first through hole 111a and the damping channel of the damping member 4 in sequence, and then passes through the second through hole 111b to be connected to the movable decorative member 2.

[0065] like Figure 3 As shown, in this embodiment, the damping member 4 is a silicone ball having a damping channel therein for the connecting cord 3 to pass through. The damping channel and the connecting cord 3 generate damping friction, thereby limiting the movement of the connecting cord 3. The damping member 4 is disposed within the central base body 111 and does not affect the overall structural design and aesthetics of the jewelry.

[0066] When the first decorative piece 21 is pulled, the movable decorative piece 2 moves relative to the fixed decorative piece 1 and away from the notch A. Since the damping piece 4 is stuck in the central base body 111, the connecting rope 3 can move relative to the damping piece 4 with the pulling force. When the adjusted length is appropriate, the pulling is stopped. The damping piece 4 is stuck to the connecting rope 3 due to the damping friction, so that the movable decorative piece 2 and the connecting rope 3 will not move due to gravity, thereby fixing the movable decorative piece 2 in the corresponding position. At this time, the jewelry is in a separated state (such as Figure 1 、 Figure 4 and Figure 6 As shown in the figure, it not only adjusts the length of the jewelry, but also changes the shape of the jewelry, meeting the dual functional and decorative needs of the user.

[0067] When you want to close the movable decorative piece 2 and the fixed decorative piece 1, pull the connecting rope 3. The pulling force drives the movable decorative piece 2 to move relative to the fixed decorative piece 1 and retract it to the notch A. When the movable decorative piece 2 is completely retracted to the notch A, stop pulling. The damping element 4 will clamp the connecting rope 3 due to damping friction, so that the movable decorative piece 2 and the connecting rope 3 will not move due to gravity, thereby fixing the movable decorative piece 2 at the notch A. At this time, the jewelry is in a closed state (such as Figure 7 、 Figure 8 and Figure 10 As shown), the second connecting portion 22 is hidden in the central base body 111, which adjusts the length of the jewelry, changes the shape of the jewelry, and improves the overall stability and aesthetics.

[0068] The above merely describes a specific implementation of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A piece of jewelry with adjustable length, characterized in that: The invention comprises a fixed decorative part (1), a movable decorative part (2) movable relative to the fixed decorative part (1), and a connecting rope (3); the fixed decorative part (1) is provided with a damping part (4); a first end of the connecting rope (3) is connected to the fixed decorative part (1); a second end of the connecting rope (3) passes through the damping part (4) and is connected to the movable decorative part (2); the fixed decorative part (1) comprises a central base (11) and a plurality of sub-decorative parts (12) arranged around the periphery of the central base (11); The sub-decorative component (12) is fixedly connected to the central base (11), and the damping component (4) is arranged in the central base (11); the first end of the connecting rope (3) is connected to the sub-decorative component (12), and the second end of the connecting rope (3) passes through the central base (11) and the damping component (4) and is connected to the movable decorative component (2); when the second end of the connecting rope (3) is pulled relative to the damping component (4), the damping component (4) can apply resistance to the connecting rope (3).

2. The jewelry according to claim 1, characterized in that The fixed decorative piece (1) has a notch (A) on one side corresponding to the movable decorative piece (2); the movable decorative piece (2) has an extended state and a retracted state, and when the movable decorative piece (2) is in the retracted state, the movable decorative piece (2) is located at the notch (A).

3. The jewelry according to claim 2, characterized in that: The movable decorative piece (2) comprises a first decorative piece (21).

4. The jewelry according to claim 3, characterized in that The sub-decorative piece (12) is a heart-shaped structure, the first decorative piece (21) is a heart-shaped structure, the apex of the sub-decorative piece (12) and the apex of the first decorative piece (21) are both arranged close to the central base (11), and the apex of the sub-decorative piece (12) is fixedly connected to the central base (11).

5. The jewelry according to claim 2, characterized in that: The central base (11) is provided with a first through hole (111a) for the connecting rope (3) to pass through, and a second through hole (111b) for the connecting rope (3) to pass through, and the second through hole (111b) is provided corresponding to the notch (A).

6. The jewelry according to claim 1, characterized in that The fixed decorative piece (1) further comprises a first connecting portion (13), the first connecting portion (13) being connected to the sub-decorating piece (12), and the first end of the connecting rope (3) being connected to the first connecting portion (13).

7. The jewelry according to claim 6, characterized in that The fixed decorative piece (1) is provided with a limiting channel (5), the limiting channel (5) is located on the sub-decorating piece (12), and the second end of the connecting rope (3) passes through the limiting channel (5) and the central base (11) in sequence.

8. The jewelry according to claim 7, characterized in that The number of the sub-decorating parts (12) is at least three; the first connecting portion (13) is arranged between two adjacent sub-decorating parts (12), and the limiting channel (5) is arranged between the other two adjacent sub-decorating parts (12).

9. The jewelry according to claim 7, characterized in that: The fixed decorative part (1) is provided with a limiting part (6), the limiting channel (5) includes a proximal end close to the central base (11) and a distal end away from the central base (11), the limiting part (6) is arranged on the sub-decorating part (12), and the limiting part (6) is arranged corresponding to the distal end of the limiting channel (5), and the limiting part (6) is used to limit the connecting rope (3) within the limiting channel (5).

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