TWM496988U - Position limiting buckle structure of curtain pulling cord - Google Patents

Description

Curtain pull cord limit buckle structure

The present invention relates to a limit buckle structure for a curtain drawstring, and more particularly to an innovative structure of a limit buckle that can be embedded on a curtain drawstring to limit the travel distance of the curtain.

According to the principle of the curtain, the curtain can be used to retract (retract) or release (unfold) the curtain, so that the curtain can meet the operation requirements of covering light or not covering.

In order to achieve the above operation, the structure of the curtain, in addition to the cord (sheet) which can be taken up or released, one side of the so-called curtain bead sprocket, the meshing between the bead sprocket and the bead chain Relationship, and the effect of winding up or not taking up, and the bead chain described therein is a series of beads with continuous loop-free joints.

However, whether it is an upright or horizontal or curtain type curtain, its light-shielding or beam incident angle must be changed or adjusted by the adjustment method, and the shading width of the curtain for opening and closing the curtain needs to be pulled by the rope. (bead chain) to operate the control. Therefore, the drawstring (bead chain) needs continuous circulation movement to meet the high and low stroke modulation length of the curtain. The rope is used to sway the wheel body to drive the curtain. The diameter of the wheel body is miniaturized due to structural constraints. In addition to having sufficient space and then adding a shifting device, the circumferential speed of the wheel body can only be linearly drawn by a slight proportion. The length of the displacement is limited. For example, the rotation of the loop of the looped rope can only drive the displacement of the curtain by one meter. If the height of the curtain of the window is two meters, the drawstring must be pulled twice to meet the second The travel distance of the ruler is such that the pull cord is provided with a fastener for controlling the travel distance of the curtain to be able to handle different lengths of the curtain; the conventional fastener is not easy to assemble and needs to be changed after the assembly is completed. It is easy to remove.

In addition, because the curtain has the presence of a drawstring, it is often entangled in the limbs by the child's ignorant play, which is prone to danger. When the young child plays the drawstring and the drawstring is tied to the limb, in the process, the lower end of the drawstring The winding end forms a pulling force between the three points of the unit that is linked with the upper end, and the pulling force is a hazard to the young children; this is also a problem that the curtain industry needs to develop and improve.

The reason is that, in view of this, the creators have been researching and improving the lack of prior art for many years of experience in the design and development of the relevant industries, and have provided a limit buckle structure for curtain cords in order to achieve more. The purpose of good practical value.

The main purpose of the present invention is to provide a limit buckle structure for a curtain drawstring, which is embedded in a curtain drawstring of a curtain to utilize the limit buckle limit window. The length of the curtain cord can be pulled, thereby achieving the purpose of limiting the travel distance of the opening and closing curtain.

Based on the above purpose, the limit buckle structure of the curtain rope of the present invention is realized by the following technology: a limit buckle structure of the curtain drawstring, the limit buckle is provided with a perforation running along the mandrel direction And opening a slot in the radial direction, the side through slot and the through hole form a thin neck section at the communication, and the limit buckle is embedded laterally from the side slot to the curtain drawstring, and the curtain drawstring passes After the thin neck section enters the perforation, the limit buckle can be embedded on the curtain cord.

The limit buckle structure of the curtain cord as described above, wherein the limit buckle is embedded on the rope body between the two beads of the curtain drawstring.

The limit buckle structure of the curtain cord as described above, wherein the limit buckle is embedded and fixed on the bead of the curtain drawstring.

The limit buckle structure of the curtain cord as described above, wherein the limit buckle has an arc-shaped concave engaging groove formed therein, the fastening groove communicating the through hole and the side through groove, and the curtain is pulled The beads on the rope are embedded.

The limit buckle structure of the curtain cord as described above, wherein the limit buckle forms an arc-shaped guiding section on the inner wall surface of the side of the side through slot to smoothly guide the bead on the curtain rope Embedded in the snap groove.

(1) ‧‧‧Limited buckles

(11) ‧‧‧Perforation

(12) ‧‧‧ side slot

(121)‧‧‧Guide section

(13)‧‧‧Neck section

(14) ‧‧‧ Snap groove

(2) ‧‧‧Cable rope

(21)‧‧‧ropes

(22)‧‧‧Beads

(3) ‧‧‧curtain controller

(4) ‧‧‧Safety buckles

The first picture: the three-dimensional decomposition enlargement of the limit buckle and curtain rope of this creation

The second picture: the three-dimensional enlarged view of the limit buckle of this creation is fixed on the rope of the curtain rope.

The third picture: the side view of the creation of the limit buckle is fixed on the rope of the curtain drawstring

The fourth picture: the three-dimensional enlarged view of the limit buckle of this creation is fixed on the bead of the curtain drawstring

Figure 5: Side view enlargement of the limit clip of this creation fixed on the bead of the curtain drawstring

The sixth picture: the three-dimensional diagram of the limit buckle of this creation combined with the drawstring of the curtain

In order to make the technical content, creative purpose and the effect achieved by this creation more complete and clear, please elaborate below, and please refer to the illustrated drawings and drawings: please refer to the first The figure reveals a three-dimensional exploded enlarged view of the limit buckle and the curtain drawstring of the present creation.

The limit buckle (1) of the present invention is provided with a perforation (11) along the axial direction of the limit buckle (1) and extending through the limit buckle (1), the limit buckle (1) A side through hole (12) is opened on one side in the radial direction, and the side through groove (12) forms a thin neck portion (13) with the through hole (11).

Please refer to the second and third figures, which are respectively a three-dimensional combination and a side enlarged view of the limit fastener of the present invention being fixed on the rope body of the curtain. The curtain cord (2) comprises a rope body (21) and a bead body (22) fixed to the rope body (21) and equidistantly disposed. The main purpose is to make the side through slot (12) of the limit buckle (1) correspond to the rope body (21) between the curtain ropes (2) and the two beads (22), and the limit buckle (1) a cord body (21) embedding the curtain cord (2) laterally with its side through slot (12), the cord body (21) of the curtain cord (2) passing through the thin neck section (13) Entering the perforation (11), at this time, the two ends of the perforation (11) of the limit buckle (1) are respectively adjacent to the bead body (22), and the rope body (21) is also due to the thin neck portion ( 13) The restriction of the curtain cord (2) cannot be laterally disengaged from the limit buckle (1), so that the limit buckle (1) can be embedded on the curtain cord (2) without disengagement.

Please refer to the fourth and fifth figures respectively, which are the three-dimensional combination and the three-dimensional and side-view enlarged view of the limit buckle of the creation and the bead fixed on the bead of the curtain. The limiting clip (1) further has an arc-shaped engaging groove (14) formed therein, the engaging groove (14) communicating the through hole (11) and the side through groove (12), and The two inner side wall surfaces of the side through grooves (12) form an arc-shaped guiding portion (121) for smoothly guiding the bead body (22) corresponding to the embedding buckle on the curtain pulling rope (2) by using the guiding portion (121) In the slot (14).

In this way, the side through slot (12) of the limit buckle (1) can correspond to any one of the beads (22) of the curtain drawstring (2), and the limit buckle (1) is The side through groove (12) is laterally embedded in the bead body (22) of the curtain drawstring (2), and the bead body (22) of the curtain drawstring (2) enters the buckle after passing through the thin neck section (13) In the joint groove (14), at this time, the buckle groove (14) of the limit buckle (1) is fitted and fastened correspondingly to the bead body (22), so that the limit buckle (1) is embedded and fixed. Do not disengage on the curtain cord (2).

Please refer to the fourth, fifth and sixth figures. The limit fixture of this creation (1) is simply embedded on the bead (22) of the curtain drawstring (2) to utilize the limit buckle (1). ) As the curtain cord (2) can be pulled up to the curtain controller (3), as a limiting element for pulling the length of the curtain cord (2), the purpose of limiting the distance of the opening and closing curtains is achieved.

Referring to the first, second and third figures, a safety clip (4) is coupled between the two ends of the curtain cord (2), and the limit clip (1) is adjacent to the safety clip. (4) The state buckle is combined with the rope body (21) of the curtain cord (2); the safety buckle (4) is mainly used to prevent the child from pulling the rope (2) around the neck, and can be easily The measure of the curtain cord (2) being separated into an open state, when the joint state between the safety buckle (4) and the curtain cord (2) is likely to be laterally loose, the safety buckle can be utilized (4) ) The side curtain rope (2) is fitted with a card fixing limit buckle (1), so that the safety buckle (4) and the curtain rope (2) are tightly combined and cannot be laterally separated, and at the same time Under the gravity of the positioning range value, the curtain drawstring (2) can The end of the safety buckle (4) and the limit buckle (1) are separated from the disconnected state, so that the safety buckle (4) does not fall off and has the effect of protecting the neck from the safety.

However, the above-described embodiments or drawings are not intended to limit the product, the structure, or the use of the present invention. Any changes or modifications of the ordinary skill in the art should be considered as not departing from the scope of the invention.

In summary, the present embodiment can achieve the expected use efficiency, and the specific structure disclosed therein has not been seen in similar products, nor has it been disclosed before the application, and has fully complied with the provisions of the Patent Law. And the request, the application for a new type of patent in accordance with the law, please forgive the review, and grant the patent, it is really sensible.

(1) ‧‧‧Limited buckles

(11) ‧‧‧Perforation

(12) ‧‧‧ side slot

(121)‧‧‧Guide section

(13)‧‧‧Neck section

(2) ‧‧‧Cable rope

(21)‧‧‧ropes

(22)‧‧‧Beads

(4) ‧‧‧Safety buckles

Claims (5)

A limit buckle structure for a curtain cord, the limit buckle is provided with a perforation penetrating along a mandrel direction, and a side slot is formed in a radial direction, and the side through slot and the perforation form a thin joint Neck section. The limit buckle structure of the curtain cord according to claim 1, wherein the limit buckle is embedded on the rope body between the two beads of the curtain cord. The limit buckle structure of the curtain cord according to claim 1, wherein the limit buckle is embedded and fixed on the bead of the curtain cord. The limit buckle structure of the curtain cord according to the third aspect of the invention, wherein the limit buckle has an arc-shaped engaging groove formed therein, the fastening groove communicating the through hole and the side through groove And the beads on the curtain cord are embedded and placed. The limit buckle structure of the curtain cord according to the fourth aspect of the invention, wherein the limit buckle forms an arc guiding section on the inner wall surface of the side of the side through slot to smoothly guide the curtain The beads on the drawstring are embedded in the snap grooves.