JPH037517Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) This invention relates to a connecting device for a lift cord operating section of a blind.

(Prior Art) Conventionally, as shown in FIG. 5, a blind attached to a window frame 1 has a slat 3 suspended and supported by a ladder cord 2, and a lower end of an operating part 6 of an elevator cord 4 for raising and lowering a bottom rail 5. was connected to the side of the cap 7 at one end of the bottom rail 5.

(Problems to be Solved by the Invention) In the conventional technology as described above, since the operation part 6 of the lifting cord 4 protrudes from the side of the cap 7, it may come into contact with the side of the bottom rail 5 when the bottom rail 5 is raised or lowered. If the operating part 6 gets caught between the sides of the window frame 1, it will hinder the raising and lowering of the bottom rail 5, or if the operating part 6 gets caught on the end of the slat 3, the slat 3 and the operating part 6 will be damaged. It was hot. Further, since the operating section 6 tends to wrap around behind the bottom rail 5 and the slats 3, there is a problem in that it takes time to take out the operating section 6 and it is not possible to start the lifting operation promptly.

Structure of the invention (means for solving the problem) In order to solve the above-mentioned problem, this invention has the lower end of the operation part 19 of the lifting cord 18 connected to a mounting groove opened at the front end of the bottom rails 16, 31. 20 and
It is supported by a cap 22.

(Function) By the above means, the operation part 19 of the lifting cord 18
are suspended from the front surfaces of the bottom rails 16, 31 and the slats 14.

(Example) Hereinafter, a first example embodying this invention will be described with reference to FIGS. 1 to 3.
1 is a head box 1 fixed to the upper side of the window frame 12
A large number of slats 14 from 3 to 3 are suspended and supported by three ladder cords 15, respectively. At the bottom of the ladder cord 15 is a bottom rail 16.
is suspended, and the upper end of the ladder cord 15 is supported by slat angle adjusting means (not shown) built into the head box 13. By operating an operating rod 17 hanging downward from one end of the head box 13, the angles of each slat 14 can be adjusted in the same phase. or,
Elevating cords 18 are passed through the vicinity of the ladder cord 15 support portion of each slat 14, one end of each elevating cord 18 is connected to the bottom rail 16, and the other end is guided to one side within the head box 13 and then connected to the bottom rail 16. The operating section 19 of each lifting cord 18 is suspended downward from one end of the head box 13, and by operating this operating section 19, the bottom rail 1
6 can be raised and lowered to raise and lower the slat 14 to a desired height.

The lower end of the operating section 19 of the lifting cord 18 is supported by the front surface of one end of the bottom rail 16. The detailed structure will be explained based on FIGS. 2 and 3. A mounting groove 20 is formed in the front surface of one end of the bottom rail 16 and opens toward the end of the bottom rail. The ends of the operation parts 19 of the three lifting cords 18 are connected by a knot 21, and the knots 21 are inserted into the bottom rail 16 and inserted into the mounting groove 20, and in this state, the ends of the operation parts 19 are connected to the ends of the bottom rail 16. Cap 22 is fitted. Therefore, as shown in FIG. 3, the opening of the mounting groove 20 is closed by the cap 22, so that the end of the operating portion 19 is prevented from coming off from the mounting groove 20 by the knot 21.

Now, in this blind 11, the lower end of the operating part 19 of the lifting cord 18 is supported on the front surface of the bottom rail 16, so when the bottom rail 16 is raised or lowered, the operating part 19 is placed between the side surface of the bottom rail 16, the end of the slat 14, and the side surface 23 of the window frame. If the bottom rail 16 gets caught, it will not interfere with the lifting and lowering of the bottom rail 16, and damage to the slat 14 and the operating section 19 can also be prevented. Further, since the operating section 19 is supported on the front surface of the bottom rail 16, the operating section 19 is prevented from going around to the rear of the bottom rail 16 and the slats 14, and the raising and lowering operation of the slats 14 can be started easily and quickly. can.

Next, a second embodiment embodying this invention will be explained with reference to FIG. 4, only the difference from the previous embodiment is that the bottom rail 31 of this embodiment has an end portion of the same bottom rail 31 on the front surface of one end. A mounting groove 32 is formed which is open towards the mounting groove 32, and the mounting groove 32 communicates with a support hole 33 having a diameter larger than the width of the groove. The mounting groove 32 has a groove width that allows only one lifting cord 18 to be inserted therethrough. The ends of the three operating parts 19 are tied with knots 2 as in the previous embodiment.
1, and with the knot 21 inserted into the bottom rail 31, each operating section 19 is inserted into the mounting groove 32, and the three operating sections 19 are inserted into the support hole 33. The cap 34 is inserted into the end of the bottom rail 31 in this state.

In this embodiment, the end of the operating part 19 is supported by the support hole 33 so as not to be able to move laterally. Therefore, the support position of the end of the operating part 19 is determined by the position of the support hole 33 regardless of the depth of the cap 34, so if the support hole 33 is formed at a position away from the cap 34, the slat of the operating part 19 It is possible to more reliably prevent the slats 14 from going backwards or getting caught on the slats 14 than in the first embodiment.

In addition, in the first and second embodiments, the operation section 19
A knot 21 is provided to prevent the end of the operating part 19 from separating from the mounting groove 20 and the support hole 33, but the knot 21 is not limited to the present invention. It may also be made so that it does not come off by molding or the like.

Effects of the invention As detailed above, this invention
can be made to hang in front of the blind 11 at all times, thereby preventing the operation part 19 from going around to the rear of the slats 14, making it possible to easily and quickly start raising and lowering the slats 14, Also, it exhibits an excellent effect of preventing damage to the operating section 19.

[Brief explanation of the drawing]

Fig. 1 is a front view of a blind embodying this invention, Fig. 2 is a partial perspective view showing the first embodiment,
FIG. 3 is a perspective view thereof, FIG. 4 is an exploded perspective view of a second embodiment embodying this invention, and FIG. 5 is a front view showing a conventional example related to this invention. Lifting cord...18, operating unit...19, bottom rail...16, 31, mounting groove...20, cap...22, 34, support hole...33, support ring...55.

Claims (1)

[Claims for Utility Model Registration] 1. The lower end of the operation part 19 of the lifting cord 18 is supported by a mounting groove 20 opened at the front end of the bottom rails 16, 31 and a cap 22. A connecting device for the lift cord operation part of the blind. 2 The mounting groove 32 opened at the front end of the bottom rail 31 is connected to the support hole 33 communicating with the mounting groove 31.
A device for connecting a lift cord operating part of a blind according to claim 1 of the utility model registration claim, which comprises: