CN217937412U

CN217937412U - Bead chain

Info

Publication number: CN217937412U
Application number: CN202221989145.5U
Authority: CN
Inventors: 张舵
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-30
Filing date: 2022-07-30
Publication date: 2022-12-02
Anticipated expiration: 2032-07-30

Abstract

The utility model provides a ball chain, which comprises a plurality of balls and a plurality of hollow connecting shafts for connecting the balls, wherein opposite ends of two adjacent connecting shafts are arranged in the balls, both ends of the connecting shafts are provided with connecting parts for preventing the balls from falling off from the connecting shafts, elastic ropes are arranged in the hollow parts of the connecting shafts, and the connecting shafts are provided with limiting fulcrums for fixing the elastic ropes; the utility model relates to a simple structure utilizes the mode of wearing to establish the elasticity rope on the connecting axle to realize the elastic expansion of pearl chain to set up on the connecting axle and be used for going on the spacing fulcrum fixed to the elasticity rope, thereby realize ball synchronous motion's when tensile purpose, and utilize the linking portion of connecting axle tip to realize the overload protection of pearl chain, have that plasticity is strong, the elasticity is effectual, the firm advantage of structure.

Description

Bead chain

Technical Field

The utility model belongs to the technical field of the design technique of pearl chain and specifically relates to a pearl chain is related to.

Background

At present, bead chains are commonly used as series ropes in the fields of ornaments, commodity tags, curtains and the like. The common metal balls are mutually linked through a connecting shaft and are connected in series at intervals to form a movable ball chain. Because the bead chains have large freedom mobility and lack elasticity and plasticity, the stability is not high in use; meanwhile, the bead string adopting the elastic ropes connected in series has the defect of insufficient firmness.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pearl chain to solve the current pearl chain that proposes in the above-mentioned background art and lack elasticity and moulding because of the degree of freedom is big, in use stability is not high and the not enough problem of firmness.

The technical scheme of the utility model is realized like this:

the utility model provides a ball chain, includes a plurality of balls and a plurality of hollow connecting axle that links the ball, inside the ball was arranged in to the end in opposite directions of two adjacent connecting axles, and the both ends of connecting axle have the connecting portion that prevents the ball from droing from the connecting axle, and elasticity rope is worn to be equipped with in a plurality of connecting axle hollows, is equipped with the spacing fulcrum that plays the fixed action to the elasticity rope on the connecting axle.

Preferably, the limiting fulcrum is located in the middle of the connecting shaft.

Preferably, the limiting fulcrum is an indentation which is arranged on the connecting shaft and extends towards the center direction of the connecting shaft, and the inside of the indentation is in contact with the elastic rope, so that the elastic rope is fixedly connected with the connecting shaft.

Preferably, the limiting fulcrum is a groove which is arranged on the connecting shaft and is sunken towards the center direction of the connecting shaft, and the groove is in contact with the elastic rope so as to realize the fixed connection of the elastic rope and the connecting shaft.

Preferably, the connecting part is a convex ring integrally connected to the end of the connecting shaft, and the outer diameter of the convex ring is larger than the diameter of the gap of the ball.

By adopting the technical scheme, the beneficial effects of the utility model are that:

the utility model relates to a simple structure utilizes the elastic expansion who wears to establish the mode realization pearl chain of elasticity rope on the connecting axle to set up on the connecting axle and be used for carrying out the spacing fulcrum fixed to the elasticity rope, thereby realize ball synchronous motion's when tensile purpose, and utilize the linking portion of connecting axle tip to realize the overload protection of pearl chain, have that plasticity is strong, the elasticity is effectual, the advantage that the structure is firm.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that 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 according to these drawings without inventive exercise.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a structural diagram of the present invention in a tightened state;

fig. 3 is a structural diagram of the present invention in a stretched state.

Wherein:

1. a ball bearing; 2. a connecting shaft; 3. an elastic cord; 4. a limiting fulcrum; 5. and (4) connecting the parts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, a ball chain includes a plurality of balls 1 and a plurality of hollow connecting shafts 2 for connecting the balls 1, opposite ends of two adjacent connecting shafts 2 are disposed inside the balls 1, and two ends of the connecting shafts 2 are provided with connecting portions 5 for preventing the balls 1 from falling off from the connecting shafts 2, the connecting portions 5 are configured to abut against the inner positions of the gaps of the balls 1 when the ball chain is stretched, so as to prevent the connecting shafts 2 and the balls 1 from falling off;

elastic ropes 3 are arranged in the hollow parts of the connecting shafts 2 in a penetrating mode, limiting supporting points 4 which play a role in fixing the elastic ropes 3 are arranged on the connecting shafts 2, the elastic expansion effect of the ball chains can be achieved due to the arrangement of the elastic ropes 3, the purpose of arranging the limiting supporting points 4 is to achieve fixed connection between the connecting shafts 2 and the elastic ropes 3 at a certain point, and therefore when the elastic ropes 3 are stretched, each ball 1 can be separated at the same interval, synchronous movement of the balls 1 is achieved, convenience and attractiveness in use can be improved.

Wherein, when in actual use, the elastic rope 3 can be replaced by an object with elastic stretching function, such as a spring, a rubber band and the like.

Specifically, the limiting fulcrum 4 is located in the middle of the connecting shaft 2, so that the distance between the limiting fulcrum 4 and the connecting portions 5 at the two ends is equal, and the processing is convenient.

Specifically, the limiting fulcrum 4 is an indentation which is arranged on the connecting shaft 2 and extends towards the center direction of the connecting shaft 2, and the indentation is of a concave structure by stamping so that the elastic rope 3 is fixedly connected with the connecting shaft 2; or the limiting fulcrum 4 is a groove which is arranged on the connecting shaft 2 and is sunken towards the center direction of the connecting shaft 2, and the groove is in contact with the elastic rope 3 so as to realize the fixed connection of the elastic rope 3 and the connecting shaft 2; or the limiting fulcrum 4 is a bulge arranged inside the connecting shaft 2, and the elastic rope 3 is fixedly connected with the connecting shaft 2 by utilizing the bulge; or other means that can connect the elastic rope 3 and the connecting shaft 2 at a certain point can be adopted, which is not limited herein.

The aforesaid sets up spacing fulcrum 4's purpose is mainly in order to realize fixed connection with connecting axle 2 and elastic rope 3 in a certain point position, thereby make elastic rope 3 when the stay cord state, the connecting axle 2 of each position is along with elastic rope 3 is together moved, realize the effect of 1 synchronous motion of each ball then, make no matter be annular bead chain or linear bead chain, when tensile, 1 interval of two adjacent balls equals, 1 distribution of ball on the bead chain is even, so that utilize the bead chain to carry out the use of establishing ties the rope, and possess pleasing to the eye effect.

The connecting part 5 is a convex ring integrally connected to the end of the connecting shaft 2, the outer diameter of the convex ring is larger than the diameter of the gap of the ball 1, the convex ring is mainly used for preventing the ball 1 from separating from the connecting shaft 2, and the convex ring also plays a role in overload protection.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A bead chain, characterized in that: including a plurality of balls (1) and a plurality of hollow connecting axle (2) that link ball (1), inside ball (1) was arranged in to the end in opposite directions of two adjacent connecting axles (2), and the both ends of connecting axle (2) have and prevent that ball (1) from connecting portion (5) that connecting axle (2) drop, elastic rope (3) are worn to be equipped with in a plurality of connecting axle (2) cavity department, are equipped with on connecting axle (2) and play spacing fulcrum (4) of fixed action to elastic rope (3).

2. A bead chain according to claim 1, wherein: the limiting fulcrum (4) is located in the middle of the connecting shaft (2).

3. A bead chain according to claim 2, wherein: the limiting fulcrum (4) is an indentation which is arranged on the connecting shaft (2) and extends towards the center direction of the connecting shaft (2), and the inside of the indentation is contacted with the elastic rope (3) so that the elastic rope (3) is fixedly connected with the connecting shaft (2).

4. A bead chain according to claim 2, wherein: the limiting supporting point (4) is a groove which is arranged on the connecting shaft (2) and is sunken towards the center direction of the connecting shaft (2), and the groove is in contact with the elastic rope (3) so as to realize the fixed connection of the elastic rope (3) and the connecting shaft (2).

5. A bead chain according to claim 1, wherein: the connecting part (5) is a convex ring integrally connected to the end of the connecting shaft (2), and the outer diameter of the convex ring is larger than the diameter of the gap of the ball (1).