TWM530617U - Bead curtain driver structure with safe release - Google Patents

Description

Beaded drive structure with safe separation

This creation is about a beaded drive structure with a safe separation, especially a protection measure that can effectively prevent young children from causing a hazard around the neck, and has a safe separation effect in its overall application. The beaded curtain drive structure is the author of its creation.

According to the existing curtain design, in order to facilitate the user to pull the curtain up and down (or laterally) to fold or unfold, in the retracting structure provided by the curtain, a flexible rope is used as a medium for the user to operate the curtain. .

Generally, the curtain structure mainly winds the low-cost cloth on the rotating shaft, and the rotating shaft is connected with a retractor, and a bead chain is arranged on the retractor, and the retractor is controlled by pulling the bead chain. Driving the rotating shaft to rotate forward or reverse, thereby controlling the rise or fall of the low-cost fabric; however, the above-mentioned conventional blind curtain has no fixed type of hanging free end when the tension is opened or closed. The safety setting, the bead chain is an annular body and has a relatively high toughness. Therefore, when a child who is shallow or playful is caught, it is easy to have a bead chain around the neck. There was an accident that could not be suffocated and suffocated; therefore, in the early days, when young children were playing in the curtains, the accident occurred when the free ends of the beads were wrapped around the neck of the young children, causing serious accidental injuries, which led to the safety setting of the traditional curtains. Produce uneasiness.

In order to avoid the danger of pulling the ropes of the Roman curtains, the existing governments require the operators to design the loose structure of the curtain bead chain (drawing rope), such as: "The limit buckle structure of the curtain cord" of China Announcement No. M496988 Announcement No. M508274, "Safety Bead Chain Structure of Curtains" and Announcement No. 495167, "Curtain Drawstring Limiting Crimping Structure" and Announcement No. 516926, "Safety Structure of Curtain Bead Chains", etc. In order to provide the child with a bead chain wrapped around the neck when playing, the bead chain can be pulled at the right time to release the rope around the neck. However, the loose structure of the above design is mostly on the bead chain. There is a technology to break the bead chain, but when the child is not properly pulled around the neck, such as the bead chain carousel or foreign matter jam, the broken chain of the bead chain is easy to cause the bead to be assembled. The phenomenon, it is necessary to replace the new bead chain frequently.

The reason is that the creator once again upholds the rich experience in design, development and actual production of the relevant industry for many years, and then provides a safely separated beaded drive structure for the purpose of achieving better practical value.

The main purpose of this creation is to provide a beaded curtain drive structure with safe separation, especially a beaded drive structure that can effectively prevent young children from causing a risk of neck-to-neck damage, and achieve the purpose of safely protecting young children.

The main purpose and function of the bead curtain drive structure with safe separation are achieved by the following specific technical means:

The utility model mainly comprises a base assembled with the outer tube of the curtain, the base is provided for the transmission shaft and corresponding to the set of a bead chain turntable, and the upper ring of the bead chain turntable is provided with a plurality of bead slots for the bead chain to be inserted. And a cover is pivotally disposed on the base, the cover limits the bead chain to rotate on the bead chain turntable, wherein the bead groove is provided with a radial inclination angle, which can force the bead chain to pull When the slide is moved forward, the cover is detached; thereby, the bead chain is detached from the bead chain turntable to prevent the child from being around the neck.

The bezel drive structure with a safety disengagement as described above, wherein the two corresponding sides of the base are provided with a pivoting portion, and the cover corresponding to the pivotal portion is provided with a pivoting portion which is mutually pivoted together, whereby The cover can be pivoted and lifted relative to the base.

The bezel drive structure with a safety disengagement as described above, wherein the other end of the base corresponding to the pivoting portion is provided with a positioning post, and the cover corresponding to the positioning post is provided with a positioning groove that is engaged with each other.

The bezel drive structure with a safety disengagement as described above, wherein a ring rib is formed on the periphery of the base shaft hole, and a circumferential groove forms a ring groove toward the end surface of the base, and the bead chain turntable corresponds to the base ring convex A concave groove is formed in the end surface of the rib, and a first circular convex rib is protruded outwardly corresponding to the circumferential groove of the concave groove.

The bead drive structure with a safety disengagement as described above, wherein the outer circumference of the bead chain shaft portion is provided with a second circular rib, and a recess is provided at the corresponding second circular rib of the cover, the recess is provided for the second circle The ribs are placed in the limiter.

The bezel driver structure having a safe release as described above, wherein the cover recess is provided with an abutting bump corresponding to the end face of the bead chain turntable shaft portion.

By the above, the composition and use description of the authoring structure can be seen that this creation has the following advantages compared with the existing structure:

1. The creation has a beaded drive structure that is safely separated. The beading groove of the bead chain has an axial groove portion inclined at an angle, so that the child pulls the bead chain around the neck, and the bead chain is pulled by the force. The slope is rolled away from the bead chain turntable to prevent the child from turning around the neck.

2. The creation of the bead curtain drive structure with safe separation, by the design of the concave and convex limit between the base and the bead chain turntable and between the bead chain turntable and the cover, the bead can be smoothed when the bead chain pulls the bead chain turntable Smooth operation and smooth rotation.

3. This creation has a beaded drive structure that is safely separated. By designing the cover of the base, the operation of the bead chain and the bead chain turntable can be properly protected without interference protection.

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 drawings and drawings:

First of all, please refer to the first to third figures, which is a three-dimensional exploded view of the beaded curtain drive structure with safe separation. It includes:

A base (1) is correspondingly assembled with the outer tube (A) of the curtain, and a shaft hole (11) for the transmission shaft (B) is disposed at the center, and is disposed on two corresponding sides of the base (1). a pivoting portion (12), and a positioning post (13) is disposed at the other end of the opposite pivoting portion (12);

The bead chain turntable (2) is disposed on one side of the base (1), and a shaft portion (21) is disposed at the center thereof for the transmission shaft (B) to penetrate into the assembly, and is disposed at the periphery of the shaft portion (21). There are a plurality of inlet grooves (22), and the inlet groove (22) includes a radial groove portion (221) and an axial groove portion (222) that engages with the radial groove portion (221), the axial groove portion ( 222) the corresponding shaft portion (21) is inclined at an angle X in the radial direction;

a bead chain (3) is formed by chaining a plurality of beads (31), and the bead body (31) is placed in the bead groove (22);

A cover (4) is provided with a pivoting portion (41) at a pivotal portion of the corresponding base (1), and the positioning posts (13) of the corresponding base (1) are respectively engaged with each other. The positioning groove (42) allows the cover (4) to be covered or picked up relative to the base (1).

Please refer to the first to third figures. The structure driving technology of the curtains of this creation is basically the same as that of the previous cases, and the technology of opening and closing the curtain by the bead chain (3) with the transmission shaft (B) [ Therefore, the back-end drive technology will not be described again], the difference is that the bead chain turntable (2) is provided with security measures; the description is as follows:

When assembled, the base (1) is assembled with the outer tube (A) of the curtain, and the central shaft hole (11) is provided for the drive shaft (B), and the drive shaft that passes through the base (1) The rod (B) corresponds to the bead chain turntable (2). Further, a ring rib (14) is formed on the periphery of the shaft hole (11) of the base (1), and a ring groove (15) is formed on the end surface of the ring rib (14) toward the end surface of the base (1), and the bead chain turntable ( 2) a recessed groove (23) is provided inwardly of the end surface of the ring rib (14) corresponding to the base (1), and a first circular rib is convexly disposed at a periphery of the recessed groove (15) corresponding to the ring groove (15). (24); when the shaft portion (21) of the bead chain turntable (2) passes through the set transmission shaft (B) and is attached to the end surface of the base (1), it can be inserted into the recessed groove by the annular rib (14) (23) And the ring groove (15) is for inserting the first circular rib (24), and the bead chain turntable (2) can be placed flat on the base (1).

Continue, the bead chain (3) is correspondingly sleeved on the bead chain turntable (2), so that the bead body (31) on the bead chain (3) is placed in the beading groove (22) of the bead chain turntable (2) Inside, the bead body (31) is located in the bead groove (22) and abuts against the radial groove portion (221) and the axial groove portion (222), although the axial groove portion (222) has an inclination angle X but After normal assembly and use, it does not slip down. After that, the cover (4) pivoting portion (41) is pivoted together with the base (1) pivoting portion (12), and the base is utilized. 1) Corresponding to the positioning post (13) provided at the other end of the pivoting portion (12), correspondingly to the positioning groove (42) of the cover (4), the cover (4) is shielded on the bead chain turntable ( 2) with the outer side of the bead chain (3), having the effect of the limiting bead chain (3); at the same time, the second circular rib (25) is provided on the outer periphery of the shaft portion (21) of the bead chain turntable (2) for protection The cover (4) is provided with a recess (43) corresponding to the second circular rib (25), and the recess (43) is provided for the second circle The rib (25) is placed in the limit position, and the concave portion (43) is provided with an abutting bump (431) corresponding to the end face of the shaft portion (21) of the bead chain turntable (2), thereby utilizing the positioning groove (42) and The positioning post (13) is properly jammed so that the bead chain turntable (2) does not fall off under proper use, and is supported by the base (1) and the bead chain turntable (2) and the bead chain turntable (2) The design of the concave and convex limit between the cover and the cover (4) achieves the smooth assembly and smooth rotation of the bead chain turntable (2).

Please refer to the first to sixth figures. When in normal use, the bead chain (3) is located in the bead groove (22) of the bead chain turntable (2), and the bead chain turntable is driven by pulling the bead chain (3). (2) Rotating, and under normal pulling force, the bead (31) of the bead chain (3) will abut against the radial groove portion (221), and the center of gravity is located at the radial groove portion (221) and the axial direction. The groove portion (222) is connected to the position, so that the bead chain turntable (2) can be smoothly rotated. Of course, the cover (4) can protect the limit bead chain turntable (2) and the bead chain (3); As shown in the fourth to sixth figures, when there is a danger such as the bead chain (3) around the neck of the young child, the gravity of the bead chain (3) being pulled down will cause the bead body (31) to go to the axial groove portion. (222) Applying force, at this time, the axial groove portion (222) is designed to cause the bead body (31) to roll and slide into and out of the bead groove (22) by obliquely inclined at an angle to the radial direction. Continuing, after the bead body (31) slides out of the bead groove (22), the bead body (31) of the bead chain (3) will abut the cover (4), and the force of the bead chain (3) can be pulled down. Pushing the positioning groove (42) of the cover (4) away from the positioning post (13) to form a state in which the cover (4) is opened, and the bead chain (3) is separated from the bead chain turntable (2) and dropped. To achieve safety protection measures to prevent young children from going around the neck.

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.

This creation:

(A) ‧‧‧Curtain outer tube

(B) ‧‧‧Drive shaft

(1) ‧ ‧ pedestal

(11)‧‧‧ shaft hole

(12) ‧‧‧ pivotal department

(13) ‧‧‧Positioning column

(14) ‧‧‧ring ribs

(15)‧‧‧ Ring groove

(2) ‧‧‧Bead chain turntable

(21)‧‧‧Axis

(22)‧‧‧Into the bead slot

(221)‧‧‧ Radial groove

(222)‧‧‧Axial groove

(23) ‧‧‧recessed trough

(24)‧‧‧First round rib

(25)‧‧‧Second ribs

(X) ‧ ‧ angle

(3)‧‧‧Bead chain

(31)‧‧‧Beads

(4) ‧‧‧ Cover

(41) ‧ ‧ 枢 部

(42) ‧‧‧ positioning slots

(43) ‧ ‧ recess

(431)‧‧‧Bumps

The first picture: a three-dimensional exploded view of the creation

The second picture: a schematic view of the combination of the creation

The third picture: a schematic cross-sectional view of the creation

The fourth picture: the three-dimensional appearance of the cover of the creation

Figure 5: Schematic diagram of the cover of the creation

Figure 6: Schematic diagram of the bead chain of this creation

(1) ‧ ‧ pedestal

(11)‧‧‧ shaft hole

(12) ‧‧‧ pivotal department

(13) ‧‧‧Positioning column

(14) ‧‧‧ring ribs

(15)‧‧‧ Ring groove

(2) ‧‧‧Bead chain turntable

(21)‧‧‧Axis

(22)‧‧‧Into the bead slot

(221)‧‧‧ Radial groove

(222)‧‧‧Axial groove

(25)‧‧‧Second ribs

(3)‧‧‧Bead chain

(31)‧‧‧Beads

(4) ‧‧‧ Cover

(41) ‧ ‧ 枢 部

(42) ‧‧‧ positioning slots

(43) ‧ ‧ recess

(431)‧‧‧Bumps

Claims (4)

The utility model relates to a beaded curtain drive structure with safe separation, which comprises: a base corresponding to the outer tube of the curtain, and a shaft hole for the transmission shaft to be disposed at the center, and a pivot on the corresponding sides of the base a connecting portion, and a positioning post is disposed at the other end of the opposite pivoting portion; a bead chain turntable is disposed on one side of the base, and a shaft portion is disposed at a center thereof for the transmission shaft to penetrate into the set, the shaft a plurality of inlet grooves are provided on the periphery of the portion, the inlet groove includes a radial groove portion and an axial groove portion that engages with the radial groove portion, the axial groove portion is inclined at an angle to the radial direction of the shaft portion; The bead is formed by a chain of beads, and the bead is placed in the bead slot; a cover is provided with a pivoting portion of the pivotal portion of the corresponding base, and the corresponding base The positioning post is provided with a positioning groove that is engaged with each other, so that the cover is covered or picked up relative to the base. The bezel drive structure with a safety release according to claim 1, wherein a ring rib is formed on a periphery of the base shaft hole, and a circumferential groove forms a ring groove toward the end surface of the base, and the bead chain The end surface of the turret corresponding to the rib of the susceptor ring is provided with a recessed groove, and a peripheral edge of the recessed groove is convexly disposed with a first circular rib corresponding to the annular groove. The bead drive structure with a safe release as described in claim 1 or 2, wherein the outer peripheral edge of the bead chain turn shaft portion is provided with a second round rib, and the cover is provided with a corresponding second rib. a recess for the second circular rib to be placed in the limiter. The bezel drive structure with a safe release as described in claim 3, wherein the cover recess is provided with an abutting bump corresponding to the end face of the bead chain turntable shaft.