CN113827008B

CN113827008B - Jewelry hollow support, precious stone pendant and assembly method thereof

Info

Publication number: CN113827008B
Application number: CN202111116251.2A
Authority: CN
Inventors: 李伟柱; 刘美辰; 林柳枝
Original assignee: Zhou Liu Fu Jewelry Co ltd
Current assignee: Zhou Liu Fu Jewelry Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2023-06-13
Anticipated expiration: 2041-09-23
Also published as: CN113827008A

Abstract

The invention relates to the technical field of ornaments, in particular to an empty jewel holder, a jewel pendant and an assembly method thereof. Be provided with uide bushing, riding block, buffer spring, jack catch, put the ornaments on the riding block, lock the jack catch with the locking lid, fix the ornaments in the empty support through the jack catch, at the in-process of fixing the ornaments, the riding block slides in the uide bushing, buffers through buffer spring, has avoided the jack catch to receive the damage at the in-process ornaments of fixing the ornaments. The support block is provided with the rubber ring groove, installs the sealing washer in the rubber ring groove, when putting ornaments on the support block, separates ornaments and support block through the sealing washer, avoids ornaments direct and support block contact, can prevent effectively that the support block from colliding with ornaments to hurt. The installation height of the guide sleeve and the clamping jaw can be adjusted, and the installation height is simple in structure and convenient to install.

Description

Jewelry hollow support, precious stone pendant and assembly method thereof

Technical Field

The invention relates to the technical field of ornaments, in particular to an empty jewel holder, a jewel pendant and an assembly method thereof.

Background

With the improvement of the living standard of people, the jewelry becomes an indispensable ornament in the life of people who pursue beauty, and the jewel ornament is favored by the vast fashion individuality due to the characteristic of bright eye-catching and constant current, so that the jewel pendant becomes an article frequently worn in the daily life of people. Various hollow holders for embedding ornaments appear in the market, ornaments such as precious stones are embedded in the hollow holders so as to be convenient to wear, and the ornaments are baked. At present, an embedding opening is arranged on an empty support, the ornament is directly embedded in the empty support, and when the ornament in the empty support needs to be replaced, the empty support is damaged, so that the ornament can be taken out, the operation is inconvenient, and the restoration difficulty is high. The mechanical empty support is often used for hard fixing of the ornaments, and if the installation force is not properly mastered, the ornaments are easily damaged, so that users are unnecessarily lost. In the process of installing the precious stone pendant, friction is often generated between the empty supporting part and the ornament, so that the ornament is inevitably damaged, and the loss of a user is further increased.

Therefore, it is needed to design a jewelry empty holder, which ensures that the jewelry is not damaged when the jewelry is inlaid.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the invention provides an empty jewelry support, a jewelry pendant and an assembly method thereof, which are provided with a buffer spring and a claw, wherein the claw is used for fixing the jewelry, and the buffer spring can effectively prevent the jewelry from being damaged when the claw is used for fixing the jewelry. Thereby avoiding the problem that the ornaments are damaged when being inlaid.

(II) technical scheme

In order to achieve the above purpose, the invention provides a jewelry hollow support, a jewelry pendant and an assembly method thereof, and the technical scheme is as follows:

the utility model provides an empty support of ornament, including empty bracket, locking lid, install the uide bushing in the empty bracket, install the riding block in the uide bushing, the riding block is provided with loop bar, guide block, the guide block sets up in the loop bar tip, the external diameter of guide block and the internal diameter assorted of uide bushing, the loop bar is provided with buffer spring, install the jack catch outside the uide block, the jack catch includes snap ring, limiting plate, the limiting plate is circumference evenly distributed in snap ring upper portion, the locking lid is provided with the locking hole, locking hole and limiting plate assorted.

As a further development of the invention, the connection between the hollow bracket and the local locking cap is a threaded connection.

As a further scheme of the invention, the support block is provided with a rubber ring groove, and a sealing ring is arranged in the rubber ring groove.

As a further scheme of the invention, the center of the empty bracket is provided with a center threaded hole, the supporting block is provided with a limiting ring, a limiting screw is arranged at the center threaded hole of the empty bracket, the end part of the limiting screw is provided with a limiting end head, and the diameter of the limiting end head is smaller than the inner diameter of the supporting block and larger than the inner diameter of the limiting ring.

As a further scheme of the invention, 3 or more limit plates are arranged at the upper part of the clamping ring.

As a further scheme of the invention, the end part of the limiting plate is provided with a round chamfer.

As a further scheme of the invention, a mounting ring is arranged in the empty bracket, the inner diameter of the mounting ring is matched with the outer diameter of the guide sleeve, the outer diameter of the mounting ring is matched with the inner diameter of the claw, the inner ring of the mounting ring is provided with an inner thread, the outer ring of the mounting ring is provided with an outer thread, the guide sleeve is provided with a first thread, the claw is provided with a second thread, the first thread is matched with the inner thread, and the second thread is matched with the outer thread.

The embodiment of the invention also provides a precious stone pendant, which comprises precious stones and the jewelry empty support, wherein the precious stones are arranged in the empty support, the precious stones are arranged on the support blocks and are limited by the limiting plates, and the limiting plates are locked by the locking holes.

The embodiment of the invention also provides a precious stone pendant, which comprises the following steps:

sleeving the buffer spring outside the loop bar of the supporting block, sleeving the limiting screw in the limiting ring of the supporting block;

locking a limit screw in a central threaded hole of the empty bracket, and limiting the bracket block by using the limit screw;

installing the guide sleeve in the empty bracket;

placing a gemstone on the sealing ring;

the claw is arranged in the empty bracket;

the locking cover is arranged on the empty bracket and is screwed down, the limiting plate of the claw is tightly locked with the precious stone through the locking hole, and the precious stone is exposed through the locking hole.

(III) beneficial effects

Compared with the prior art, the invention provides a jewelry empty holder, a jewelry pendant and an assembly method thereof, which have the following beneficial effects:

1. the jewelry empty support is provided with the guide sleeve, the support block, the buffer spring and the clamping jaw, the jewelry is placed on the support block, the clamping jaw is locked by the locking cover, the jewelry in the empty support is fixed by the clamping jaw, the support block slides in the guide sleeve in the process of fixing the jewelry, and the buffer spring is used for buffering, so that the damage to the jewelry in the process of fixing the jewelry by the clamping jaw is avoided;

2. according to the jewelry empty support, when the locking cover is screwed down, the locking cover only generates relative friction with the clamping jaw, so that the jewelry in the empty support is not scratched, and the jewelry is further ensured not to be damaged in the jewelry fixing process;

3. in the empty support for jewelry, the rubber ring groove is formed in the support block, the sealing ring is arranged in the rubber ring groove, and when the jewelry is placed on the support block, the jewelry is separated from the support block through the sealing ring, so that the jewelry is prevented from directly contacting with the support block, and the support block can be effectively prevented from damaging the jewelry;

4. in the jewelry empty support provided by the invention, when the jewelry is installed in the empty support, the guide sleeve, the support block, the sealing ring and the jewelry enclose the space below the jewelry into a closed space, when the limiting plate of the claw is tightly pressed against the jewelry by screwing the locking cover, an air cushion is generated below the jewelry, so that the stress below the jewelry is more uniform, the influence of the annular tightening pressure of the support block on the jewelry is reduced, and the safety of the jewelry is further ensured;

5. in the jewelry empty support provided by the invention, as the claw has elasticity, the claw has a reaction force to the locking cover, so that a user can more accurately grasp the screwing force in the screwing process of the locking cover, the locking force of the jewelry can be more accurately regulated when the jewelry is installed, the stress of the jewelry reaches the optimal state, and the jewelry is ensured to be neither loosened nor damaged in the empty support;

6. in the jewelry empty support provided by the invention, the support blocks are limited by the limiting screws, so that the buffer springs are prevented from pushing the support blocks out of the guide sleeve, and the effectiveness and stability of the empty support structure are ensured;

7. in the jewelry empty support provided by the invention, the clamping jaws are at least provided with 3 limiting blocks and are uniformly distributed on the clamping ring, so that the jewelry can be stably fixed in the empty support;

8. in the jewelry empty holder provided by the invention, the mounting ring is arranged in the empty holder, the guide sleeve and the clamping jaw are fixed in the empty holder through the mounting ring, and the guide sleeve and the clamping jaw are connected with the mounting ring through threaded connection, so that the mounting height of the guide sleeve and the clamping jaw can be adjusted, and the jewelry empty holder is simple in structure and convenient to mount.

Drawings

FIG. 1 is a cross-sectional view of a gemstone pendant according to the present invention;

FIG. 2 is an enlarged schematic view of FIG. 1A in accordance with the present invention;

FIG. 3 is a schematic perspective view of a hollow bracket of the present invention;

FIG. 4 is a cross-sectional view of the locking cap of the present invention;

FIG. 5 is a schematic perspective view of the pawl according to the present invention;

FIG. 6 is a schematic view of a gemstone, seal ring, support block, guide sleeve, and hollow holder of the present invention forming a closed space when locking the gemstone, thereby forming an air cushion for the gemstone;

FIG. 7 is a schematic view of the structure of the invention in which the jaws hold a gemstone to a carrier block, with the jaws and gemstone being cut away therefrom to more clearly show the structure;

FIG. 8 is a schematic diagram of a limiting screw for limiting a support block according to the present invention;

FIG. 9 is a schematic perspective view of a pawl according to another embodiment of the present invention;

fig. 10 is a flowchart of an assembling method of a gemstone pendant according to the present invention.

In the figure: 1. an empty bracket; 2. a locking cover; 3. a guide sleeve; 4. a support block; 5. a claw; 6. a seal ring; 7. a limit screw; 8. a buffer spring; 9. a gemstone; 11. a locking hole; 12. a central threaded bore; 13. a mounting ring; 131. an internal thread; 132. an external thread; 31. a first thread; 41. a loop bar; 42. a guide block; 43. a rubber ring groove; 44. a limiting ring; 51. a clasp; 52. a limiting plate; 53. round chamfering; 54. a second thread; 71. a limiting end head; 521. a first limiting plate; 522. and the second limiting plate.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

As described in the background art, the present application provides a jewel blank holder, a jewel pendant and an assembling method thereof in order to solve the above technical problems.

In a typical embodiment of the application, as shown in fig. 1-8, a jewelry is empty holds in palm, including empty bracket 1, locking lid 2, install uide bushing 3 in the empty bracket 1, install the riding block 4 in the uide bushing 3, the riding block 4 is provided with loop bar 41, the guide block 42 sets up in loop bar 41 tip, the external diameter of guide block 42 and the internal diameter assorted of uide bushing 3, loop bar 41 is provided with buffer spring 8, install jack catch 5 outward the guide block, jack catch 5 includes snap ring 51, limiting plate 52 is circumference evenly distributed in snap ring 51 upper portion, locking lid 2 is provided with locking hole 11, locking hole 11 and limiting plate 52 assorted.

It can be appreciated that the guide sleeve 3 is installed in the empty bracket 1, the supporting block 4 is installed in the guide sleeve 3 and slides in the guide sleeve 3 through the guide block 42, and the buffer spring 8 is installed between the supporting block 4 and the empty bracket 1 and props against the bottom of the guide block 42 of the supporting block 4. The sleeve rod 41 is sleeved in the buffer spring 8 to prevent the buffer spring 8 from deviating. The claw 5 is installed in the skin of guide block, the claw 5 is provided with limiting plate 52, limiting plate 52 is circumference evenly distributed in the snap ring 51 upper portion of claw 5, place the ornaments on the supporting shoe 4, the ornaments are located between the limiting plate 52 of supporting shoe 4 and claw 5, after locking lid 2 and locking is covered, locking hole 11 of locking lid 2 extrudees the limiting plate 52 that is circumference distribution, and then forces limiting plate 52 to draw in the middle of holding in the palm to the ornaments on the supporting shoe 4 are extruded, under the effect of supporting shoe 4 and limiting plate 52, ornaments are tightly fixed in the empty support. When the locking cover 2 is screwed down, the locking cover 2 only generates relative friction with the clamping jaw 5, so that the ornaments in the empty support cannot be scratched, and the ornaments are further prevented from being damaged in the ornament fixing process. Because the supporting block 4 can slide in the guide sleeve 3, and the buffer spring 8 is arranged at the bottom of the supporting block 4, the supporting block 4 can slide under the guide of the guide sleeve 3 in the process of locking the ornaments, and the buffer spring 8 is compressed, so that the supporting block 4 and the limiting plate 52 are prevented from hard extrusion of the ornaments, and the ornaments are prevented from being damaged in the installation process. Because the claw 5 has elasticity, so claw 5 has reaction force to locking lid 2, consequently at the in-process of tightening locking lid 2, the dynamics of tightening is held to the user more accurate, makes when installing ornaments, can be more accurate adjust the locking force of ornaments, makes the atress of ornaments reach the best state, guarantees that ornaments neither not hard up nor receive the damage in empty support. When the ornaments are to be taken out from the empty support, the locking cover 2 is directly taken down from the empty support 1, and after the locking cover 2 is taken down, the limiting plate 52 releases the extrusion of the ornaments due to the elasticity of the limiting plate 52 of the claw 5, so that the ornaments are released, and the released ornaments can be taken out from the support block 4. The operation is simple in the process of installing and taking out the ornaments, the safety coefficient is high, and the ornaments are prevented from being damaged to the greatest extent.

Further, the connection mode between the empty bracket 1 and the local locking cover 2 is threaded connection.

It can be understood that the locking cover 2 is installed on the hollow bracket 1 in a threaded connection manner, and when the locking cover 2 is screwed into the hollow bracket 1, the tightness of the limiting plate 52 for fixing the ornaments can be adjusted, so that the fixing force of the ornaments can be optimized. The compression force of the limiting plate 52 to the ornaments is not only small, so that the ornaments can be prevented from moving in the empty support, but also the compression force of the limiting plate 52 to the ornaments is too large and exceeds the limit of elastic deformation of the compression spring, so that the damage to parts in the empty support is avoided, and the ornaments can be prevented from being excessively extruded and damaged.

Further, the support block 4 is provided with a rubber ring groove 43, and a sealing ring 6 is arranged in the rubber ring groove 43.

It can be understood that the supporting block 4 is provided with the rubber ring groove 43, and the sealing ring 6 is arranged in the rubber ring groove 43, when the ornament is placed on the supporting block 4, the ornament is separated from the supporting block 4 through the sealing ring 6, so that the ornament is prevented from being directly contacted with the supporting block 4, and the supporting block 4 can be effectively prevented from being knocked. When the ornaments are installed in the empty support, the guide sleeve 3, the support block 4, the sealing ring 6 and the ornaments enclose the space below the ornaments into a closed space, when the locking cover 2 is screwed to tightly press the limiting plate 52 of the claw 5 to the ornaments, an air cushion is generated below the ornaments, so that the stress below the ornaments is more uniform, the influence of the annular tightening pressure of the support block 4 on the ornaments is reduced, and the safety of the ornaments is further ensured.

Further, the center of the empty bracket 1 is provided with a central threaded hole 12, the supporting block 4 is provided with a limiting ring 44, a limiting screw 7 is installed at the central threaded hole 12 of the empty bracket 1, the end part of the limiting screw 7 is provided with a limiting end head 71, and the diameter of the limiting end head 71 is smaller than the inner diameter of the supporting block 4 and larger than the inner diameter of the limiting ring 44.

It can be understood that the supporting block 4 is hollow cylinder-shaped, the limiting ring 44 is arranged at the bottom of the supporting block 4, the limiting screw 7 penetrates through the limiting ring 44, the limiting end 71 of the limiting screw 7 is limited in the supporting block 4, the limiting screw 7 penetrates through the limiting ring 44 and then is installed in the central threaded hole 12 in the empty supporting seat 1, when the supporting block 4 is pushed by the compression spring, the supporting block 4 is limited by the limiting screw 7, the buffer spring 8 is prevented from pushing the supporting block 4 out of the guide sleeve 3, and the effectiveness and stability of the empty supporting structure are ensured.

Further, 3 or more limiting plates 52 are provided on the upper portion of the snap ring 51.

It can be understood that the claw 5 is provided with 3 stopper at least, and evenly distributed on the snap ring 51, when the claw 5 fixes the ornaments in the empty support, the circumference evenly distributed limiting plate 52 can guarantee that the force that the ornaments received is even when the limiting plate 52 extrudes the ornaments, thereby can be stable fix the ornaments in the empty support.

Further, the end of the limiting plate 52 is provided with a rounded chamfer 53.

It can be appreciated that when the limiting plate 52 contacts the ornament, if the round chamfer 53 is not provided, the ornament is easily scratched in the process of extruding the ornament by the limiting plate 52, and the round chamfer 53 is provided with an arc, so that the sharp part of the limiting plate 52 is ground, and the scratching of the ornament by the limiting plate 52 can be effectively avoided.

Further, a mounting ring 13 is arranged in the hollow bracket 1, the inner diameter of the mounting ring 13 is matched with the outer diameter of the guide sleeve 3, the outer diameter of the mounting ring 13 is matched with the inner diameter of the clamping jaw 5, an inner ring of the mounting ring 13 is provided with an inner thread 131, an outer ring of the mounting ring 13 is provided with an outer thread 132, the guide sleeve 3 is provided with a first thread 31, the clamping jaw 5 is provided with a second thread 54, the first thread 31 is matched with the inner thread 131, and the second thread 54 is matched with the outer thread 132.

It can be understood that the installation ring 13 is arranged in the empty bracket 1, the guide sleeve 3 and the claw 5 are fixed in the empty bracket 1 through the installation ring 13, the guide sleeve 3 and the claw 5 are connected with the installation ring 13 through threaded connection, and the installation height of the guide sleeve 3 and the claw 5 can be adjusted, so that the structure is simple and the installation is convenient.

The second aspect of the invention provides a precious stone pendant, which comprises precious stone 9 and the above-mentioned jewelry hollow support, wherein precious stone 9 is arranged in the hollow support, precious stone 9 is arranged on support block 4 and is limited by limiting plate 52, and limiting plate 52 is locked by locking hole 11.

The third aspect of the present invention provides a gemstone pendant, comprising the steps of:

the buffer spring 8 is sleeved outside the sleeve rod 41 of the supporting block 4, and the limit screw 7 is sleeved in the limit ring 44 of the supporting block 4;

locking a limit screw 7 in a central threaded hole 12 of the empty bracket 1, and limiting the supporting block 4 by using the limit screw 7;

the guide sleeve 3 is arranged in the empty bracket 1;

placing a precious stone 9 on the sealing ring 6;

the claw 5 is arranged in the empty bracket 1;

the locking cover 2 is mounted on the empty bracket 1 and is screwed down, the limiting plate 52 of the claw 5 is tightly locked with the precious stone 9 through the locking hole 11, and the precious stone 9 is exposed through the locking hole 11.

Referring to fig. 9, in another embodiment of the present invention, the claw 5 includes a snap ring 51 and a limiting plate 52, the number of the limiting plates 52 is even, the limiting plates 52 are circumferentially and uniformly distributed on the upper portion of the snap ring 51, the limiting plates include a first limiting plate 521 and a second limiting plate 522, the free height of the second limiting plate 522 is higher than that of the first limiting plate 521, and the first limiting plate 521 and the second limiting plate 522 are staggered.

It can be understood that when the claw 5 is locked by the locking cover 2, the first limiting plate 521 with a lower height contacts the ornament first due to the difference in height between the first limiting plate 521 and the second limiting plate 522 during screwing the locking cover 2. When the first limiting plate 521 contacts with the ornament, the force required for screwing the locking cover 2 is increased, and the force feel of screwing the locking cover 2 by the user is changed once. At this time, the locking cap 2 is continuously screwed, and when the second limiting plate 522 contacts the ornament, the force required for screwing the locking cap 2 is further increased, and at this time, the force feel of screwing the locking cap 2 by the user is changed again. In the process of screwing the locking cover 2, a user can quickly screw the locking cover 2 before the first change of the hand feeling, and the screwing speed of the locking cover 2 is reduced after the first change of the hand feeling, so that the locking cover 2 is prevented from being screwed in an allowable range to damage ornaments. After the hand feeling changes for the second time, the screwing speed of the locking cover 2 is further reduced, the locking force is finely adjusted, the best stress state of the ornaments is ensured, and the ornaments are ensured to be neither loose nor damaged in the empty support.

The working principle of the invention is as follows: referring to fig. 1-8, a guide sleeve 3 is installed in the empty bracket 1, a supporting block 4 is installed in the guide sleeve 3 and slides in the guide sleeve 3 through a guide block 42, and a buffer spring 8 is installed between the supporting block 4 and the empty bracket 1 and props against the bottom of the guide block 42 of the supporting block 4. The sleeve rod 41 is sleeved in the buffer spring 8 to prevent the buffer spring 8 from deviating. The support block 4 is hollow cylindric, and spacing ring 44 sets up in the bottom of support block 4, and spacing screw 7 passes spacing ring 44, and spacing end 71 of spacing screw 7 is limited in support block 4, and spacing screw 7 passes center screw hole 12 in empty bracket 1 after spacing ring 44 installs, when compression spring promotes support block 4, carries out spacingly to support block 4 through spacing screw 7, prevents buffer spring 8 from ejecting support block 4 from uide bushing 3 in, guarantees the validity and the stability of empty support structure.

The claw 5 is installed in the skin of guide block, the claw 5 is provided with limiting plate 52, limiting plate 52 is circumference evenly distributed in the snap ring 51 upper portion of claw 5, place the ornaments on the supporting shoe 4, the ornaments are located between the limiting plate 52 of supporting shoe 4 and claw 5, after locking lid 2 and locking is covered, locking hole 11 of locking lid 2 extrudees the limiting plate 52 that is circumference distribution, and then forces limiting plate 52 to draw in the middle of holding in the palm to the ornaments on the supporting shoe 4 are extruded, under the effect of supporting shoe 4 and limiting plate 52, ornaments are tightly fixed in the empty support. When the locking cover 2 is screwed down, the locking cover 2 only generates relative friction with the clamping jaw 5, so that the ornaments in the empty support cannot be scratched, and the ornaments are further prevented from being damaged in the ornament fixing process. Because the claw 5 has elasticity, so claw 5 has reaction force to locking lid 2, consequently at the in-process of tightening locking lid 2, the dynamics of tightening is held to the user more accurate, makes when installing ornaments, can be more accurate adjust the locking force of ornaments, makes the atress of ornaments reach the best state, guarantees that ornaments neither not hard up nor receive the damage in empty support.

Because the supporting block 4 can slide in the guide sleeve 3, and the buffer spring 8 is arranged at the bottom of the supporting block 4, the supporting block 4 can slide under the guide of the guide sleeve 3 in the process of locking the ornaments, and the buffer spring 8 is compressed, so that the supporting block 4 and the limiting plate 52 are prevented from hard extrusion of the ornaments, and the ornaments are prevented from being damaged in the installation process. The support block 4 is provided with the rubber ring groove 43, and install sealing washer 6 in the rubber ring groove 43, when putting ornaments on the support block 4, separate ornaments and support block 4 through sealing washer 6, avoid ornaments direct contact with support block 4, can further prevent support block 4 from damaging ornaments. When the ornaments are installed in the empty support, the guide sleeve 3, the support block 4, the sealing ring 6 and the ornaments enclose the space below the ornaments into a closed space, when the locking cover 2 is screwed to tightly press the limiting plate 52 of the claw 5 to the ornaments, an air cushion is generated below the ornaments, so that the stress below the ornaments is more uniform, the influence of the annular tightening pressure of the support block 4 on the ornaments is reduced, and the safety of the ornaments is further ensured.

When the ornaments are to be taken out from the empty support, the locking cover 2 is directly taken down from the empty support 1, and after the locking cover 2 is taken down, the limiting plate 52 releases the extrusion of the ornaments due to the elasticity of the limiting plate 52 of the claw 5, so that the ornaments are released, and the released ornaments can be taken out from the support block 4. The operation is simple in the process of installing and taking out the ornaments, the safety coefficient is high, and the ornaments are prevented from being damaged to the greatest extent. The end of the limiting plate 52 is provided with the round chamfer 53, when the limiting plate 52 contacts with the ornaments, if the round chamfer 53 is not arranged, the ornaments are easily scratched in the process of extruding the ornaments by the limiting plate 52, the round chamfer 53 is provided with an arc, the sharp part of the limiting plate 52 is ground, and the scratching of the ornaments by the limiting plate 52 can be effectively avoided.

The inside of the empty bracket 1 is provided with a mounting ring 13, the inside diameter of the mounting ring 13 is matched with the outside diameter of the guide sleeve 3, the outside diameter of the mounting ring 13 is matched with the inside diameter of the clamping jaw 5, the inner ring of the mounting ring 13 is provided with an inner thread 131, the outer ring of the mounting ring 13 is provided with an outer thread 132, the guide sleeve 3 is provided with a first thread 31, the clamping jaw 5 is provided with a second thread 54, the first thread 31 is matched with the inner thread 131, and the second thread 54 is matched with the outer thread 132. The guide sleeve 3 and the clamping jaw 5 are connected with the mounting ring 13 through threaded connection, so that the mounting height of the guide sleeve 3 and the clamping jaw 5 can be adjusted, and the guide sleeve is simple in structure and convenient to mount.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An empty support of ornament, its characterized in that: the novel locking device comprises an empty bracket (1) and a locking cover (2), wherein a guide sleeve (3) is arranged in the empty bracket (1), a supporting block (4) is arranged in the guide sleeve (3), a loop bar (41) and a guide block (42) are arranged on the supporting block (4), the guide block (42) is arranged at the end part of the loop bar (41), the outer diameter of the guide block (42) is matched with the inner diameter of the guide sleeve (3), the loop bar (41) is provided with a buffer spring (8), a claw (5) is arranged outside the guide block, the claw (5) comprises a clamping ring (51) and a limiting plate (52), the limiting plate (52) is uniformly distributed on the upper part of the clamping ring (51) in circumference, the locking cover (2) is provided with a locking hole (11), and the locking hole (11) is matched with the limiting plate (52);

the connection mode between the empty bracket (1) and the local locking cover (2) is threaded connection;

the support block (4) is provided with a rubber ring groove (43), and a sealing ring (6) is arranged in the rubber ring groove (43);

the center of the empty bracket (1) is provided with a center threaded hole (12), the supporting block (4) is provided with a limiting ring (44), a limiting screw (7) is installed at the center threaded hole (12) of the empty bracket (1), the end part of the limiting screw (7) is provided with a limiting end head (71), and the diameter of the limiting end head (71) is smaller than the inner diameter of the supporting block (4) and larger than the inner diameter of the limiting ring (44);

3 or more than 3 limiting plates (52) are arranged on the upper portion of the clamping ring (51), and round chamfers (53) are arranged at the end portions of the limiting plates (52).

2. A jewellery blank according to claim 1, wherein: a mounting ring (13) is arranged in the empty bracket (1), the inner diameter of the mounting ring (13) is matched with the outer diameter of the guide sleeve (3), the outer diameter of the mounting ring (13) is matched with the inner diameter of the claw (5), an inner thread (131) is arranged on the inner ring of the mounting ring (13), an outer thread (132) is arranged on the outer ring of the mounting ring (13), a first thread (31) is arranged on the guide sleeve (3), a second thread (54) is arranged on the claw (5), the first thread (31) is matched with the inner thread (131), and the second thread (54) is matched with the outer thread (132).

3. A precious stone pendant, its characterized in that: a jewellery blank comprising a gemstone (9) and a jewellery blank according to any one of claims 1 to 2.