CN210018121U - Jewelry connecting piece and jewelry - Google Patents

Abstract

The utility model belongs to the technical field of jewelry, in particular to a jewelry connecting piece and jewelry, which comprises a blocking piece, a plurality of password wheels, and an unlocking column and a connecting sleeve which are respectively and fixedly connected with two free ends of a jewelry body, wherein the middle part of each password wheel is provided with a sleeve setting hole, the connecting sleeve sequentially extends into each sleeve setting hole, and the blocking piece is fixedly connected with the end part of the connecting sleeve, which is far away from the jewelry body; be equipped with a plurality of locking arch on the unlocking post, each locking arch sets up along the interval in proper order on the axis direction of unlocking post, is equipped with rectangular through-hole on the periphery wall of adapter sleeve, and in the adapter sleeve was worn to locate by the unlocking post, each locking arch all stretched into rectangular through-hole, and each locking arch lies in respectively between two adjacent password wheels, is equipped with on each cover establishes the inner wall face in hole and is used for supplying each locking arch to wear to establish and dodge the groove. The utility model discloses an ornament connecting piece only just can realize the locking and open the operation through rotating the password wheel, and easy operation is reliable.

Description

Jewelry connecting piece and jewelry

Technical Field

The utility model belongs to the technical field of ornament, especially, relate to an ornament connecting piece and ornament.

Background

With the improvement of living standard of people, the jewelry is more and more favored by people due to the beautiful appearance. The jewelry generally comprises a jewelry body and a locking piece, wherein the locking piece is mainly used for fixing the jewelry body on a wearing part in a surrounding manner. However, in the existing locking piece, in order to avoid the problem that the jewelry is lost due to the fact that the locking piece is mistakenly opened due to the fact that the jewelry shakes or contacts other parts in the wearing process of the jewelry, the locking piece is generally designed to be complex, and the locking and the opening of the locking piece can be hardly realized through simple operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ornament connecting piece aims at solving the ornament connecting piece locking among the prior art and opens the technical problem that the operation is complicated.

In order to achieve the above object, the utility model adopts the following technical scheme: a jewelry connecting piece comprises a blocking piece, a plurality of password wheels, an unlocking column and a connecting sleeve, wherein the unlocking column and the connecting sleeve are respectively and fixedly connected to two free ends of a jewelry body; it is protruding to be equipped with a plurality of locking on the unlocking post, each the locking is protruding to be followed interval setting in proper order in the axis direction of unlocking post, be equipped with rectangular through-hole on the periphery wall of adapter sleeve, the unlocking post is worn to locate in the adapter sleeve, each the locking is protruding all to stretch into rectangular through-hole, each the locking is protruding to be located adjacent two respectively between the password wheel, each be equipped with on the internal face in hole is established to the cover and is used for each the groove of dodging that the locking is protruding to be worn to establish.

Furthermore, a pushing bulge used for pushing the password wheels to rotate is arranged at the position, corresponding to the avoiding groove, of the peripheral wall of each password wheel.

Furthermore, the peripheral wall of the password wheel is provided with a plurality of separation grooves which are arranged at intervals along the circumferential direction of the password wheel.

Further, the periphery wall of each password wheel with dodge the position that the groove corresponds and all be equipped with first mark, block the periphery wall of piece with the position that rectangular through-hole corresponds is equipped with the second mark.

Further, each all be equipped with the triangle recess on the periphery wall of password wheel, the summit of triangle recess with dodge the groove and correspond the setting, it is protruding to be equipped with the triangle on the outer circumferential wall of piece to block, the bellied summit of triangle with rectangular through-hole corresponds the setting.

Furthermore, a plurality of annular grooves are formed in the peripheral wall of the connecting sleeve, and the password wheels are respectively located in the annular grooves.

Furthermore, the two opposite ends of the password wheels are provided with avoidance cavities, the password wheels are arranged in an abutting mode, the avoidance cavities are arranged in an enclosing mode to form an avoidance chamber, and the locking protrusions are located in the avoidance chamber.

Furthermore, the side part of the blocking piece close to the password wheel is provided with an annular protrusion, the annular protrusion extends into the avoiding cavity of the password wheel on the outermost side, and the outer side wall of the annular protrusion is in contact with the inner wall of the avoiding cavity.

Furthermore, the end part of the unlocking column is provided with a first fixing sleeve fixedly connected with one free end of the jewelry, and the end part of the connecting sleeve is provided with a second fixing sleeve fixedly connected with the other free end of the jewelry.

The utility model has the advantages that: the utility model discloses a jewelry connecting piece, when the locking, rotate all password wheels to predetermined position earlier, namely all password take turns to dodge the groove and all be located same straight line, and all password take turns to dodge the groove and just to setting up with rectangular through-hole, promote again to separate the post and pass the hole of wearing to establish on the barrier plate after, again stretch into the connecting sleeve, simultaneously, the locking arch on the unblock post stretches into rectangular through-hole and passes in proper order and dodge the groove on each password wheel, until each locking arch is located respectively between two adjacent password wheels, rotate the password wheel once more, password takes turns to dodge the groove and stagger with the locking arch, at this moment, each locking arch is located respectively between two adjacent password wheels, and through the axial butt effect between locking arch and the password wheel, thereby realize knowing lock of lock post and password wheel; when the jewelry connecting piece is opened, all the password wheels are rotated to preset positions, namely the avoiding grooves of all the password wheels are positioned on the same straight line, the avoiding grooves on all the password wheels are just opposite to the strip through holes, at the moment, the unlocking column is pulled out from the connecting sleeve, and the locking protrusions on the unlocking column penetrate through the avoiding grooves, so that the limiting effect of the locking protrusions of two adjacent password wheels is relieved, and the jewelry connecting piece is opened. The jewelry connecting piece can realize locking and unlocking operations only by rotating the password wheel, and is simple and reliable to operate.

The utility model discloses another technical scheme: an ornament comprises an ornament body and the ornament connecting piece, wherein the unlocking column and the connecting sleeve are respectively and fixedly connected with two free ends of the ornament body.

The jewelry of the utility model adopts the jewelry connecting piece, can realize locking and opening operation only by rotating the password wheel, and has simple and reliable operation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a front view of a jewelry connecting piece provided by an embodiment of the present invention.

Fig. 2 is a left side view of the jewelry connecting piece provided by the embodiment of the present invention.

Fig. 3 is a sectional view taken along line a-a in fig. 2.

Fig. 4 is an exploded view of the jewelry connecting piece provided by the embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-blocking piece 11-through hole 12-second mark

13-annular bulge 20-code wheel 21-sleeving hole

22-avoiding groove 23-pushing bulge 24-separating groove

25-first mark 26-triangular groove 27-avoidance cavity

28-avoidance chamber 30-unlocking column 31-locking projection

40-connecting sleeve 41-strip through hole 42-annular groove

43-fixed column 51-first fixed sleeve 52-second fixed sleeve

And 60, a limiting sheet.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-4 are exemplary and intended to be used to illustrate the invention, but should not be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 to 4, an embodiment of the present invention provides a jewelry connecting piece, which includes a blocking piece 10, a plurality of password wheels 20, and an unlocking column 30 and a connecting sleeve 40 for respectively and fixedly connecting to two free ends of a jewelry body, wherein a sleeve forming hole 21 is provided in the middle of each password wheel 20, the connecting sleeve 40 sequentially extends into each sleeve forming hole 21, the blocking piece 10 is fixedly connected to an end of the connecting sleeve 40 far away from the jewelry body, and a through hole 11 for the unlocking column 30 to pass through is provided on the blocking piece 10; be equipped with the protruding 31 of a plurality of locking on the unlocking post 30, each the protruding 31 of locking is followed interval setting in proper order in the axis direction of unlocking post 30, be equipped with rectangular through-hole 41 on the periphery wall of adapter sleeve 40, the unlocking post 30 wears to locate in the adapter sleeve 40, each the protruding 31 of locking all stretches into rectangular through-hole 41, each the protruding 31 of locking is located adjacent two respectively between the password wheel 20, each be equipped with on the internal face of cover establishing hole 21 and be used for each the groove 22 of dodging that the protruding 31 of locking wore to establish.

Specifically, the jewelry connecting piece of the embodiment of the present invention, when locking, first rotate all the cipher wheels 20 to the predetermined position, that is, the avoiding grooves 22 on all the cipher wheels 20 are located on the same straight line, and the avoiding grooves 22 on all the cipher wheels 20 are arranged right opposite to the strip through hole 41, then push the unlocking column 30 to pass through the through hole 11 on the blocking sheet 10, and then extend into the connecting sleeve 40, meanwhile, the locking protrusions 31 on the unlocking column 30 extend into the strip through hole 41 and sequentially pass through the avoiding grooves 22 on each cipher wheel 20 until each locking protrusion 31 is located between two adjacent cipher wheels 20, rotate the cipher wheel 20 again, the avoiding grooves 22 on the cipher wheel 20 are staggered from the locking protrusions 31, at this time, each locking protrusion 31 is located between two adjacent cipher wheels 20, and through the axial butt joint between the locking protrusions 31 and the cipher wheels 20, thereby realizing the locking of the unlocking column 30 and the code wheel 20; when the jewelry connecting piece is opened, all the password wheels 20 are rotated to preset positions, namely the avoiding grooves 22 of all the password wheels 20 are positioned on the same straight line, the avoiding grooves 22 on all the password wheels 20 are arranged opposite to the strip through holes 41, at the moment, the unlocking column 30 is pulled out from the connecting sleeve 40, the locking protrusions 31 on the unlocking column 30 penetrate through the avoiding grooves 22, the limiting effect of the two adjacent password wheels 20 on the locking protrusions 31 is relieved, and the jewelry connecting piece is opened. The jewelry connecting piece provided by the embodiment of the invention can realize locking and unlocking operations only by rotating the password wheel 20, and is simple and reliable to operate.

Further, the number of the code wheels 20 is three, four, five or more than five, and the number of the code wheels 20 is more, the probability that all the code wheels 20 rotate to the preset positions in the wearing process is lower, misoperation of locking and opening of jewelry connecting pieces is avoided, and reliability and firmness of jewelry wearing are ensured.

Further, the blocking piece 10 is fixedly connected with the end part, far away from the jewelry body, of the connecting sleeve 40, the blocking piece 10 plays a role in blocking, the password wheels 20 are prevented from falling off from the connecting sleeve 40, the locking protrusion 31 can be stably locked between the two adjacent password wheels 20, and the stability and effectiveness of locking of the jewelry connecting piece are ensured.

In another embodiment of the present invention, the peripheral wall of each password wheel 20 and the position corresponding to the avoiding groove 22 are provided with a pushing protrusion 23 for pushing the password wheel 20. Specifically, the utility model discloses jewelry connecting piece, when using, can be through promoting arch 23 to drive password wheel 20 and rotate, password wheel 20's rotation operation is more simple, and then makes jewelry connecting piece's locking and open the operation more simple, more labour saving and time saving, the practicality is strong.

In another embodiment of the present invention, as shown in fig. 1, fig. 2 and fig. 4, the outer peripheral wall of the password wheel 20 is provided with a plurality of separation grooves 24 arranged at intervals along the circumferential direction of the password wheel 20. Specifically, in the jewelry connecting piece provided by the embodiment of the invention, in the process of rotating the password wheel 20, the fingernails of people can stretch into the separation grooves 24, the separation grooves 24 are used as acting points, the password wheel 20 can rotate more easily, and the locking and opening operations of the jewelry connecting piece provided by the embodiment of the invention are simpler.

In another embodiment of the present invention, as shown in fig. 1, fig. 2 and fig. 4, the peripheral wall of each password wheel 20 and the position corresponding to the avoiding groove 22 are all provided with the first mark 25, the peripheral wall of the blocking piece 10 and the position corresponding to the strip through hole 41 are provided with the second mark 12. Specifically, in the jewelry connecting piece of the embodiment of the invention, in the rotating process of the password wheels 20, the second marks 12 are taken as references, the first marks 25 on all the password wheels 20 are aligned with the second marks 12 on the blocking piece 10, at this time, the avoiding grooves 22 of all the password wheels 20 are positioned on the same straight line, and the avoiding grooves 22 on all the password wheels 20 are arranged opposite to the strip through holes 41, that is, at this time, the unlocking column 30 can be smoothly pushed into and pulled out of the connecting sleeve 40, so that the jewelry connecting piece is locked and opened; through the marking function of the first mark 25 and the second mark 12, the locking and unlocking operation of the jewelry connecting piece is simpler.

Further, the first mark 25 may be a number drawn on the outer circumferential wall of the code wheel 20, and different number combinations may be formed by a combination of a plurality of code wheels 20, for example: 520. 1314 or 5201314, the jewelry provided with the embodiment of the utility model can express a special meaning or emotion of a gift giver, thereby increasing the practicability of the jewelry.

Further, the second mark 12 may be a projection, a groove, a pattern, or the like having identification.

In another embodiment of the present invention, as shown in fig. 1, fig. 2 and fig. 4, each of the outer peripheral walls of the password wheels 20 is provided with a triangular groove 26, the vertex of the triangular groove 26 corresponds to the avoiding groove 22, the outer peripheral wall of the blocking piece 10 is provided with a triangular protrusion, and the vertex of the triangular protrusion corresponds to the strip through hole 41. Specifically, the embodiment of the utility model provides a your ornament connecting piece, through the sign effect of triangle arch and triangle recess 26, only need to rotate the summit of triangle recess 26 on password wheel 20 to the position just right with the bellied summit of triangle, just can make all password wheel 20 avoid groove 22 all to be located same straight line, and all password wheel 20 on avoid groove 22 and rectangular through-hole 41 just to setting up, this just makes in the unlocking column 30 can accurately push and pull out adapter sleeve 40, has improved the utility model discloses the ornament connecting piece's of embodiment locking and the accuracy of opening the operation, the operation is also more smooth and easy, has avoided the protruding 31 of locking and has dodged the mutual collision between the groove 22, has prolonged ornament connecting piece's life.

Further, password wheel 20's both ends all are equipped with triangle recess 26, and two triangle recess 26's summit sets up relatively, and this just makes, and two adjacent password wheels 20 can be through the alignment on two adjacent triangle recess 26's summit, have further increased the utility model discloses jewelry connecting piece's locking and the accuracy of opening the operation, the operation is also more smooth and easy, has avoided the protruding 31 of locking and has dodged collision each other between the groove 22.

Further, the second mark may be a triangular protrusion.

Preferably, the vertex of the triangular groove 26 corresponds to the avoiding groove 22, the vertex of the triangular groove 26 points to the middle of the avoiding groove 22, and the vertex of the triangular protrusion points to the middle of the strip through hole 41, so that when the vertex of the triangular groove 26 and the vertex of the triangular protrusion are arranged oppositely, the avoiding groove 22 and the strip through hole 41 can be accurately arranged oppositely, and the accuracy of locking and opening operations of the jewelry connecting piece is improved.

In another embodiment of the present invention, as shown in fig. 1, fig. 2 and fig. 4, a plurality of annular grooves 42 are disposed on the outer peripheral wall of the connecting sleeve 40, and each of the cipher wheels 20 is respectively disposed in each of the annular grooves 42. Specifically, password wheel 20 is at the internal rotation of annular groove 42, and annular groove 42 plays the effect of direction to password wheel 20's rotation, avoids password wheel 20 to appear the dead condition of card because of the slope at the pivoted in-process, reduces password wheel 20 pivoted degree of difficulty, makes the utility model discloses jewelry connecting piece's locking and open the operation more simple.

The utility model discloses a further embodiment, combine fig. 1, fig. 2 and fig. 3 to show, it dodges chamber 27, adjacent two all to be equipped with on the relative both ends of password wheel 20 butt sets up, adjacent two dodge chamber 27 and enclose jointly and establish and form one and dodge room 28, the protruding 31 of locking is located dodge in the room 28. Specifically, all the password wheels 20 are abutted together in sequence, and the axial positioning of each password wheel 20 is realized through the mutual abutting acting force between the two adjacent password wheels 20, further, the situation that the password wheels 20 are blocked due to inclination in the rotating process is avoided, the rotating difficulty of the password wheels 20 is reduced, and the locking and opening operation of the jewelry connecting piece in the embodiment of the utility model is simpler; in addition, two adjacent password wheels 20 are mutually abutted together, so that the axial size of the whole jewelry connecting piece can be effectively reduced, the structure of the whole jewelry connecting piece is more compact, and the practicability is strong. Two adjacent dodge chamber 27 and enclose the chamber 27 of dodging who establishes the formation and provide installation space for locking arch 31, in addition, set up on the trick lock and dodge chamber 27, can reduce the weight of whole ornament connecting piece effectively, make and install the utility model discloses wearing of ornament connecting piece of embodiment is more comfortable.

In another embodiment of the present invention, as shown in fig. 1, fig. 2 and fig. 4, the side portion of the blocking piece 10 close to the password wheel 20 is also provided with an annular protrusion 13, the annular protrusion 13 extends into the corresponding avoiding cavity 27, the outer side wall of the annular protrusion 13 contacts with the inner wall of the avoiding cavity 27. Specifically, because the outer side wall of the annular protrusion 13 and the avoidance cavity 27 of the password wheel 20 at the outermost side are arranged, the annular protrusion 13 can play a limiting role, so that the radial movement of the password wheel 20 is avoided, the locking of the password wheel 20 in the rotating process is also avoided, and the rotation of the password wheel 20 is simpler and smoother.

In another embodiment of the present invention, the end of the unlocking column 30 is provided with a first fixing sleeve 51 for fixedly connecting with one free end of jewelry, and the end of the connecting sleeve 40 is provided with a second fixing sleeve 52 for fixedly connecting with the other free end of jewelry. Specifically, unblock post 30 links to each other with the ornament body through first fixed cover 51, increases the reliability of being connected of unblock post 30 and ornament body, and adapter sleeve 40 also links to each other with the ornament body through the fixed cover 52 of second, has increased the reliability of being connected of adapter sleeve 40 with the ornament body, can increase and be equipped with the utility model discloses the fastness of wearing of ornament connecting piece's ornament, ornament are difficult for losing, ensure the person's of wearing property safety.

Further, the end of the connecting sleeve 40 is provided with a fixing column 43, the jewelry connecting piece further comprises a limiting piece 60, after the fixing column 43 passes through all the code wheels 20, all the code wheels 20 are sleeved on the connecting sleeve 40, after the fixing column 43 passes through the limiting piece 60, the fixing column 43 is fixedly connected with the second fixing sleeve 52, all the code wheels 20 are located between the blocking piece 10 and the limiting piece 60, and through the clamping effect of the blocking piece 10 and the limiting piece 60, the axial positioning of the code wheels 20 is realized, so that the code wheels 20 can rotate more smoothly.

Furthermore, the side surface of the limiting piece 60 close to the password wheel 20 is also provided with an annular protrusion 13, and the annular protrusion 13 and the adjacent password wheel 20 play a role in radial positioning, so that the password wheel 20 can rotate more smoothly and accurately.

Further, it is protruding also to be equipped with the triangle on the periphery wall of spacing piece 60, the bellied summit of triangle on spacing piece 60 with block that the bellied summit of triangle on the piece 10 is just to setting up, at the in-process that uses, according to the bellied summit of triangle on spacing piece 60 with block that the bellied summit of triangle on the piece 10 confirms a straight line as the benchmark, all rotate the summit of triangle recess 26 on the password wheel 20 to the straight line on, just can push into and pull out adapter sleeve 40 with unblock post 30, make the utility model discloses the reliability that the ornament was worn is high.

Further, the quantity of separating groove 24 is 10, and 10 separating groove 24 divide into 10 mark sections with the periphery wall of password wheel 20, and the inscription has 0 ~ 9 figures in proper order on 10 mark sections, just so can regard as first mark 25 with the specific figure on password wheel 20, so that the utility model discloses jewelry connecting piece's locking and opening.

Furthermore, all be carved with triangle recess 26 on the relative both sides of every mark section, align through the triangle recess 26 of the correspondence on two adjacent password wheels 20 to can judge easily whether password wheel 20 rotates predetermined position, and then ensure the utility model discloses jewelry connecting piece locks smoothly and opens.

The utility model also provides an in another embodiment provide an ornament, including ornament body and foretell ornament connecting piece, the unlocking column 30 with adapter sleeve 40 respectively with the both ends fixed connection of ornament body.

Specifically, the jewelry of the embodiment of the utility model adopts the jewelry connecting piece, and the jewelry connecting piece of the embodiment of the invention can realize locking and opening operations only by rotating the password wheel 20, and has simple and reliable operation.

Furthermore, the jewelry can be a necklace, a bracelet, a foot chain or other ornaments.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A jewelry connecting piece is characterized in that: the jewelry comprises a blocking piece, a plurality of password wheels, an unlocking column and a connecting sleeve, wherein the unlocking column and the connecting sleeve are respectively and fixedly connected to two free ends of a jewelry body; it is protruding to be equipped with a plurality of locking on the unlocking post, each the locking is protruding to be followed interval setting in proper order in the axis direction of unlocking post, be equipped with rectangular through-hole on the periphery wall of adapter sleeve, the unlocking post is worn to locate in the adapter sleeve, each the locking is protruding all to stretch into rectangular through-hole, each the locking is protruding to be located adjacent two respectively between the password wheel, each be equipped with on the internal face in hole is established to the cover and is used for each the groove of dodging that the locking is protruding to be worn to establish.

2. The jewelry connection of claim 1, wherein: and pushing bulges used for pushing the password wheels to rotate are arranged at the positions, corresponding to the avoiding grooves, of the outer peripheral wall of each password wheel.

3. The jewelry connection of claim 1, wherein: the periphery wall of the password wheel is provided with a plurality of separation grooves which are arranged at intervals along the circumferential direction of the password wheel.

4. The jewelry connection of claim 1, wherein: the peripheral wall of each password wheel with dodge the position that the groove corresponds and all be equipped with first mark, block the peripheral wall of piece with the position that rectangular through-hole corresponds is equipped with the second mark.

5. The jewelry connection of claim 1, wherein: each all be equipped with the triangle recess on the periphery wall of password wheel, the summit of triangle recess with dodge the groove and correspond the setting, it is protruding to be equipped with the triangle on the outer circumferential wall of piece to block, the bellied summit of triangle with rectangular through-hole corresponds the setting.

6. The jewelry connection of claim 1, wherein: the outer peripheral wall of the connecting sleeve is provided with a plurality of annular grooves, and the password wheels are respectively positioned in the annular grooves.

7. A jewellery connection piece according to any one of claims 1 to 6, wherein: all be equipped with on the relative both ends of password wheel and dodge the chamber, adjacent two password wheel butt sets up, and adjacent two dodge the chamber and enclose jointly and establish and form one and dodge the room, the locking arch is located dodge indoor.

8. The jewelry connection of claim 7, wherein: the side part of the blocking piece close to the password wheel is provided with an annular protrusion, the annular protrusion extends into the avoiding cavity of the password wheel on the outermost side, and the outer side wall of the annular protrusion is in contact with the inner wall of the avoiding cavity.

9. A jewellery connection piece according to any one of claims 1 to 6, wherein: the end of the unlocking column is provided with a first fixing sleeve fixedly connected with one free end of the jewelry, and the end of the connecting sleeve is provided with a second fixing sleeve fixedly connected with the other free end of the jewelry.

10. An item of jewelry, characterized by: the jewelry connecting piece comprises a jewelry body and the jewelry connecting piece as claimed in any one of claims 1 to 9, wherein the unlocking column and the connecting sleeve are respectively and fixedly connected with two free ends of the jewelry body.

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