CN218737578U - Knob spiro union formula halving structure and have noble metal ornament of this halving structure - Google Patents

Abstract

The utility model relates to a knob screw joint type locking structure, which comprises a body, a first movable shaft and a second movable shaft; a through hole for the first movable shaft to pass through is formed in the bottom surface of the inner cavity of the body, a first annular table is arranged on the first movable shaft, an internal thread is arranged at one end, deviating from the first movable shaft, of the inner wall of the body, a second annular table is arranged on the second movable shaft in a protruding mode, an external thread matched with the internal thread is arranged on the second annular table, and the external thread and the internal thread are both rectangular threads; the structure also comprises a positioning shaft arranged in the body, and when the structure is assembled in place, the second movable shaft tightly supports the first annular platform on the bottom surface of the inner cavity through the positioning shaft; during the use, support first annular platform tightly on the bottom surface of body inner chamber through second loose axle cooperation location axle, and then fix first loose axle on the body, wherein, the second loose axle passes through the rectangle screw thread spiro union with the body, has promoted the frictional force of connection greatly, has effectively avoided droing easily in the use.

Description

Knob spiro union formula halving structure and have noble metal ornament of this halving structure

Technical Field

The utility model relates to a jewelry technical field, in particular to knob spiro union formula halving structure and have noble metal ornament of this halving structure.

Background

Gold, as a noble metal, has good physical properties, such as: the melting point is high, the melting point reaches 1064.43 ℃, and the 'gold is not easy to burn' which means the characteristic of gold. The gold has high density, and the density of gold is 19.31 g/cubic centimeter (at 18 ℃), so that the gold feels sink. Gold also has good toughness and ductility, and pure gold has a brilliant yellow color, and thus it has also been used for making decorative articles since ancient times.

However, as the demands of consumers are continuously increased, in order to pursue fashion, gold ornaments are also developed to be light-weight and personalized, and particularly, articles such as bracelet bracelets worn on hands, the traditional bracelets completely made of gold cannot meet the increasing demands of consumers, and more consumers tend to wear jewelry gold accessories on red ropes to serve as bracelets, but at present, the head and tail ends of most bracelets are connected in a snap connection manner, such as the structures disclosed in two patents with patent numbers CN201710287379.2 and CN201733995U, and the snap connection structure is not firm in connection, and can be easily released and opened in the daily use process to cause the loss of the bracelets, so that in order to ensure the connection firmness of the two ends of the bracelets to avoid the loss of the bracelets and to take the beauty into consideration, a knob screw connection type locking structure and a precious metal jewelry with the locking structure are specially provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art not enough, provide a knob spiro union formula halving structure and have the noble metal ornament of this halving structure, this knob spiro union formula halving structure and have the noble metal ornament of this halving structure can solve above-mentioned problem well.

In order to meet the above requirements the utility model provides a technical scheme that its technical problem adopted is:

the knob screw connection type locking structure comprises a barrel-shaped body, a first movable shaft and a second movable shaft, wherein the first movable shaft and the second movable shaft are coaxially arranged at two ends of the body respectively; a through hole for the first movable shaft to pass through is formed in the bottom surface of the inner cavity of the body, a first annular table is arranged on the first movable shaft in a protruding mode, the outer diameter of the first annular table is larger than the inner diameter of the through hole, an inner thread is arranged on one end, away from the first movable shaft, of the inner wall of the body, a second annular table is arranged on the second movable shaft in a protruding mode, an outer thread matched with the inner thread is arranged on the second annular table, and the outer thread and the inner thread are both rectangular threads; the structure further comprises a positioning shaft arranged in the body, and when the structure is assembled in place, the second movable shaft abuts against the first annular table on the bottom surface of the inner cavity through the positioning shaft.

Knob spiro union formula halving structure and have this halving structure's precious metal ornament, wherein, correspond on the inner wall of body second annular bench is protruding to be equipped with third annular platform, the internal thread is located third annular bench.

Knob spiro union formula halving structure and have this halving structure's precious metal ornament, wherein, the location axle is located first loose axle or on the second loose axle.

Knob spiro union formula halving structure and have this halving structure's noble metal ornament, wherein, first loose axle with all be equipped with on the one end terminal surface that the second loose axle deviates from and supply rope chain male recess.

Knob spiro union formula halving structure and have this halving structure's noble metal ornament, wherein, be located on the first loose axle the internal diameter of the opening part of recess is less than the internal diameter of bottom.

Knob spiro union formula halving structure and have this halving structure's precious metal ornament, wherein, be located on the first loose axle be equipped with the circular arc chamfer on groove opening part's the inner wall.

Knob spiro union formula halving structure and have this halving structure's precious metal ornament, wherein, circumference recessed forming has annular groove on the lateral wall of body, annular groove is located the middle part of body.

In addition, still provide a noble metal ornament, it has foretell knob spiro union formula halving structure.

The beneficial effects of the utility model reside in that: during the use, wear out the through-hole with first loose axle from the inside of body, make first annular platform card on the bottom surface of this internal chamber, further second loose axle spiro union is on the body and then support the location axle tightly on first loose axle, fix on first loose axle and second loose axle through the both ends with the fag end, and then can be with the both ends fixed connection of fag end, and the second loose axle passes through the rectangle screw thread spiro union with the body, can promote the friction power of connecting second loose axle and this body junction greatly, effectively avoided droing easily in the use, traditional bayonet coupling mode compares, stability is stronger, and the outward appearance is cleaner and tidier, the wholeness effect is better, user experience feels better.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work according to the drawings:

fig. 1 is an exploded view of the overall structure of the first embodiment.

Fig. 2 is a cross-sectional view of an exploded state of the embodiment.

FIG. 3 is a sectional view showing an assembled state of the first embodiment.

Fig. 4 is a schematic structural diagram of the second embodiment.

Detailed Description

The terms "first," "second," "third," and "fourth," etc. in the description and claims of the invention and in the accompanying drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

"plurality" means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.

Also, the terms "upper, lower, left, right, upper, lower, longitudinal" and the like, which denote orientation, are used with reference to the attitude and position of the device or apparatus in the present disclosure during normal use.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example one

The knob screw-connection type locking structure of the preferred embodiment of the present invention, as shown in fig. 1-3, comprises a body 1 in a barrel-shaped structure, and a first movable shaft 2 and a second movable shaft 3 coaxially disposed at two ends of the body 1 respectively; a through hole 4 for the first movable shaft 2 to pass through is formed in the bottom surface of an inner cavity 1a of the body 1, a first annular table 5 is arranged on the first movable shaft 2 in a protruding mode, the outer diameter of the first annular table 5 is larger than the inner diameter of the through hole 4, an internal thread 6 is arranged at one end, away from the first movable shaft 2, of the inner wall of the body 1, a second annular table 7 is arranged on the second movable shaft 3 in a protruding mode, an external thread 8 matched with the internal thread 6 is arranged on the second annular table 7, and the external thread 8 and the internal thread 6 are both rectangular threads; the structure also comprises a positioning shaft 9 arranged in the body 1, and when the structure is assembled in place, the second movable shaft 3 tightly supports the first annular table 5 on the bottom surface of the inner cavity 1a through the positioning shaft 9; during the use, wear out through-hole 4 with first loose axle 2 from the inside of body 1, make first annular platform 5 card on the bottom surface of body 1 inner chamber 1a, further the spiro union of second loose axle 3 is on body 1 and then support location axle 9 tightly on first loose axle 2, fix on first loose axle 2 and second loose axle 3 through the both ends with fag end 100, and then can be with the both ends fixed connection of fag end 100, and second loose axle 3 passes through the rectangle screw thread spiro union with body 1, can promote the friction power of connecting second loose axle 3 and body 1 junction greatly, effectively having avoided droing easily in the use, traditional bayonet coupling mode compares, stability is stronger, and the outward appearance is cleaner and tidier, the wholeness effect is better, user experience feels better.

Preferably, the inner wall of the body 1 is convexly provided with a third annular table 10 corresponding to the second annular table 7, and the internal thread 6 is arranged on the third annular table 10, so that the wall thickness of the body 1 is prevented from being thinned when the internal thread 6 is arranged, and the structural strength of the body 1 is ensured.

Further, on first loose axle 2 or second loose axle 3 were located to location axle 9, it is concrete, this scheme is preferred to set up location axle 9 an organic whole on first loose axle 2 to convenient assembly, wherein, location axle 9 adopts hollow structure's mode of setting.

Preferably, the end faces of the first movable shaft 2 and the second movable shaft 3, which are away from each other, are coaxially provided with grooves 11 for inserting the rope chain 100, so that the end portions of the rope chain 100 can be conveniently fixed by glue.

Preferably, the inner diameter of the opening of the groove 11 on the first movable shaft 2 is smaller than the inner diameter of the bottom, and further, the inner diameter of the opening of the groove 11 on the second movable shaft 3 is also smaller than the inner diameter of the bottom of the groove 11, so as to fix the rope chain 100 and ensure the firmness of connection.

Preferably, the inner wall of the first movable shaft 2 at the opening of the groove 11 is provided with a circular arc chamfer 12 to avoid abrasion of the rope chain 100.

Preferably, the side wall of the body 1 is recessed circumferentially to form an annular groove 13, the annular groove 13 is located in the middle of the body 1, and the annular groove 13 is provided for engraving patterns, characters with decorative effects, and the like.

Example two

The precious metal jewelry of the preferred embodiment of the present invention is specifically a bracelet as shown in fig. 4, and is composed of a chain 100 and a locking structure included in the first embodiment, and of course, the jewelry can also be a necklace or other jewelry needing to be locked.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims (8)

1. A knob screw connection type locking structure is characterized by comprising a barrel-shaped body, a first movable shaft and a second movable shaft, wherein the first movable shaft and the second movable shaft are coaxially arranged at two ends of the body respectively; a through hole for the first movable shaft to pass through is formed in the bottom surface of the inner cavity of the body, a first annular table is arranged on the first movable shaft in a protruding mode, the outer diameter of the first annular table is larger than the inner diameter of the through hole, an internal thread is arranged at one end, away from the first movable shaft, of the inner wall of the body, a second annular table is arranged on the second movable shaft in a protruding mode, an external thread matched with the internal thread is arranged on the second annular table, and the external thread and the internal thread are both rectangular threads; the structure further comprises a positioning shaft arranged in the body, and when the structure is assembled in place, the second movable shaft abuts against the first annular table on the bottom surface of the inner cavity through the positioning shaft.

2. The knob bolt-on type locking structure according to claim 1, wherein a third annular table is convexly provided on the inner wall of the body corresponding to the second annular table, and the internal thread is provided on the third annular table.

3. The knob threaded engagement structure according to claim 1, wherein the positioning shaft is provided on the first movable shaft or the second movable shaft.

4. The knob bolt-on type locking structure according to claim 1, wherein a groove for inserting the rope chain is formed on each of end faces of the first movable shaft and the second movable shaft which are away from each other.

5. The knob threaded locking arrangement of claim 4, wherein an inner diameter at an opening of said recess on said first movable shaft is smaller than an inner diameter of a bottom portion.

6. The knob threaded type locking structure according to claim 4, wherein an arc chamfer is provided on an inner wall at the opening of the groove on the first movable shaft.

7. The knob threaded locking structure according to claim 1, wherein the sidewall of the body is formed with an annular groove formed in a circumferential recess thereof, the annular groove being located at a middle portion of the body.

8. Precious metal jewelry, characterized in that it has a knob screw-on type locking structure according to any one of claims 1 to 7.

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