JPH0819472A - Opening/closing device for curtain - Google Patents

Abstract

PURPOSE:To provide an opening/closing device for a curtain capable of reducing the cost of a product by attaining the simplification and miniaturization of a device and the improvement of assembling working efficiency. CONSTITUTION:This opening/closing device for the curtain is constituted in such a way that an endless driving belt 2 is housed rotatably in two parallel curtain rails 1 provided with two driving belt 2 housing chambers and one runner 4 sliding chamber, and the curtain 6 can be opened/closed by moving a leading runner 3 fixed on the driving belt 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an opening / closing device for curtains used in automobiles and the like.

[0002]

2. Description of the Related Art Conventionally, in an opening / closing device for a carten used in an automobile or the like, two endless drive belts are rotatably housed in two carten rails arranged in parallel, and the drive belt is driven by the drive belt. There is a device that locks a leading runner fixed to a belt and other loosely fitted runner groups with a carten to open and close the runner. As a means for fixing the leading runner to the drive belt, a device as shown in FIG. 5 is used (Japanese Patent Application No. 2-78782). In this device, a driving member B is fixed to a driving belt A housed in a carten rail,
Further, the driving member B is provided with a not-shown curl runner, and the curl is hooked on the curl runner. Explaining each member, the drive belt A has a tooth portion a on one surface, and the drive member B is composed of coupling members b1 and b2 having a tooth portion c that meshes with the tooth portion a. When the drive member B is attached to the drive belt A, the drive belt A is sandwiched between the connecting members b1 and b2.
Is fastened with a plurality of bolts D and mounted.

[0003]

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention
There are the following problems. <A> In the conventional opening / closing device for a carten, since the drive belt and the runner group are housed in the carten rail, the structure of the carten rail is complicated and the product cost is increased.

<B> The driving member B is composed of the connecting members b1 and b2.
Is fastened with the bolt D and mounted on the drive belt A, the structure is complicated and the outer dimension of the drive member B is increased. Therefore, the outer dimensions of the cart rail for accommodating the drive member B also become large, which leads to an increase in the size of the entire apparatus. Since a carten device for automobiles is desired to be as light and small as possible, such a large device reduces the commercial value.

<C> The work of fastening the connecting members b1 and b2 with the bolt D is a very fine work, and the efficiency of the assembly work of the apparatus is reduced.

[0006]

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and can reduce the product cost by simplifying and downsizing the apparatus and improving the assembly work efficiency. It is an object of the present invention to provide a carten opening / closing device.

[0007]

According to the present invention, two drive belt accommodating chambers and one runner-sliding chamber are arranged side by side in the longitudinal direction, and one drive belt accommodating chamber and the runner sliding chamber have a partition wall. A rail member having slits formed in the longitudinal direction and slits formed in the outer wall of the runner sliding chamber facing the slits in the longitudinal direction. The slits are arranged along the upper and lower edges or the left and right edges of the window. Book curl rails, pulleys provided at both ends of the curl rails, and endless belts wound around these pulleys and annularly accommodated in the two drive belt accommodating chambers. Drive belt, a runner group slidably fitted in a slit formed in the outer wall of the runner sliding chamber, and a runner located at the head of these runner groups.
And a leading runner fixed to the drive belt,
A rotation transmission member that connects the pulleys on the same end side of the two cart rails, and a drive motor that applies a rotational force to one of the pulleys connected by the rotation transmission member. It is an opening / closing device for a carten characterized by comprising: The drive belt has teeth on the inner circumference side, and the leading runner is joined to a fixing jig having a U-shaped cross section and teeth on the inside that mesh with the teeth of the drive belt. It is a curtain opening / closing device characterized by being. Further, the opening / closing device for the curtain is characterized in that the drive belt is formed in an annular shape by engaging both ends of one belt with each other and engaging a fixing jig of the leading runner with the abutting portion. Is. Further, a runner slide chamber for manual operation is attached in the longitudinal direction of the cart rail, and this runner is attached.
An opening / closing device for a carten, wherein a slit is opened in the longitudinal direction of the outer wall of the sliding chamber, and a runner group is slidably fitted in the slit. Further, the two curl rails having different lengths are used, and the two leading runners are made different by changing the number of teeth of the two pulleys connected by the rotation transmitting member. An opening / closing device for a carten, characterized in that it is configured so that the opening / closing operations of the cartes on each cartel rail side are completed at the same time by moving at a speed.

[0008]

[Embodiment 1] <A> Overall structure As shown in FIG. 1, the overall structure of the apparatus of the present invention is such that two drive belts 2 are annularly housed in two curtain rails 1 arranged at intervals. , The drive belt 2 is rotated by a drive device, and the leading runner 3 mounted on the drive belt 2 is slid along the curtain rail 1 so that the car
It is a device for opening and closing the ten. Although FIG. 1 shows the case where the cart rail 1 is installed laterally along the upper and lower edges of the window, these are installed vertically along the left and right edges of the window. It is also possible to open and close the ten 6 up and down. When the upper and lower edge portions of a substantially trapezoidal window such as a rear window of an automobile are mounted, the upper and lower curl rails 1 are slightly curved and lower than the upper curl rail.
Use the long one. Further, in the case of mounting on the left and right edges of a substantially trapezoidal window such as a rear window, the two carter rails 1 are arranged in a substantially C-shape. The device can be operated by either a switch type or a remote control type. Hereinafter, the structure of each member will be described in detail.

<B> Curtain rail The curtain rail 1 is, as shown in FIGS. 2 and 3, a first storage chamber 11 and a second storage chamber 12 for storing the drive belt 2,
A runner sliding chamber 13 for accommodating the runner is provided in the longitudinal direction and in parallel. A slit 15 is provided in the longitudinal direction in the partition wall 14 between the second storage chamber 12 and the runner sliding chamber 13, and a slit 17 is also provided in the longitudinal direction in the outer wall 16 facing the slit 15. Carter rail 1
Is made of extruded material such as aluminum or resin.

<C> Drive Belt As shown in FIG. 2, the drive belt 2 is made of a flexible material such as urethane resin, and has one surface having a thickness smaller than that of the drive belt 2. A tooth portion 21 having a high height is provided. Then, as shown in FIG. 2, the drive belt 2 is annularly housed in the first housing chamber 11 and the second housing chamber 12 of the cart rail 1 so that the tooth portions 21 are located inside. .

<D> Leading runner The leading runner 3 comprises a runner portion and a fixing jig, as shown in FIGS. The runner portion joins an inner sliding piece 31 and an outer sliding piece 32, which are disc-shaped, with the connecting member 33 so as to face each other at a predetermined interval, and the outer surface of the outer sliding piece 32 has a hooking hole. Hook piece 3 of the carten 6 which opened 34
5 is projected at right angles. Further, the internal sliding piece 31 is joined to the fixing jig 37 via the connecting member 36. Fixing jig 37
Has a substantially U-shaped cross section and has a tooth portion 38 that meshes with the tooth portion 21 of the drive belt 2 inside. Then, as shown in FIG. 3, the fixing jig 37 is mounted on the drive belt 2 in a state in which the tooth portion 21 and the tooth portion 38 are in mesh with each other. In this case, the inner sliding piece 31 is housed in the runner-sliding chamber 13, and the outer sliding piece 32 and the hooking piece 35 are mounted while being exposed from the outer wall 16. Further, if the fixing jigs 37 are attached to the abutting portions of both ends of the single drive belt 2, the fixing jigs 37 function as a connecting member, so that the work of joining the ends of the drive belt 2 can be performed. Blow. The leading runner 3 may have a shape in which the outer sliding piece 32 is directly joined to the fixing jig 37 via the connecting member without providing the inner sliding piece 31. Also,
The runner portion of the leading runner-3 and the fixing jig 37 may be of a separable type so as to be detachable. Further, when the drive belt 2 having a flat shape without the teeth portion 21 is used, the fixing jig 37 is tightened with a screw or the like so that it can be securely attached to the drive belt 2.

<E> Runner-runner 4 has a structure in which the fixing jig 37 of the leading runner 3 and the connecting member 36 are not provided, and is composed of only the runner portion. Runner-4 is slit 17 of Carter Rail 1
And is slid independently of the drive belt 2.

<F> Carten Carten 6 is made of various materials, and is made of carten rail 1.
Install between them. The connection between the carten 6 and the carten rail 1 is performed by hooking the leading runners 3 and 4 and both end edges of the carten 6 with hooks 61.

<G> Drive Device Both ends of the drive belt 2 which is annularly housed in the carten rail 1 are wound around the pulleys 5a to 5d. Pulley 5a ~
5d is housed in each of the housings 51a to 51d. Further, the pulleys 5a and 5b are connected to each other by a rotation transmission member 53 which covers the protective pipe 52. Protection pipe 5
Grooves are provided in the circumferential direction on the outer peripheral surfaces of both ends of 2,
Both ends are housed in housings 51a-51d,
The rotation transmission member 53 is prevented from coming off by fastening the tip of the screw in a state of abutting against the groove.
The rotation transmitting member 53 may be a non-flexible rod or the like when the pulleys 5a and 5b are linearly connected, but a flexible shaft or the like is used when the pulleys 5a and 5b are linearly connected. Further, one end of the rotation transmitting member 53 is connected to the clutch 54 via the pulley 5a, and the clutch 54 is connected to the gear device 55 and the motor 56. The gear device 55 is
This is a device for increasing the torque before transmitting the rotational force of the motor 56 to the rotation transmission member 53. Also, the clutch 54
Takes advantage of the fact that the rotational resistance rapidly increases when the carten 6 is completely opened and closed, and the rotational resistance of the motor 56 is not transmitted to the rotation transmission member 53 by the increase of this resistance. To do so. A structure that does not use a clutch, or a model with a built-in gear device
It is also possible to make the device compact by using a motor or a motor having a gear device and a clutch built therein. Also,
When the lengths of the two carter rails 1 are different, the two leading runners 3 are moved at different speeds by changing the number of teeth of the two pulleys 5a and 5b connected by the rotation transmitting member 53. Are moved so that the opening and closing operations of the cartes 6 on the respective cartel rails 1 side are completed at the same time.

[0015]

The opening / closing operation of the curten 6 will be described with reference to FIG. When the power of the motor 56 is turned on, the gear device 55
The increased rotational force is transmitted to the pulley 5a via the rotary transmission member 53, and the rotation is transmitted to the pulley 5b via the rotation transmission member 53. As a result, the two drive belts 2 rotate, and the two leading runners 3 mounted on the drive belts 2 slide along the carter rail 1. Then, the cartes 6 hooked on the leading runners 3 and 4 are opened and closed.
When the carten 6 is completely opened and closed, the rotational resistance rapidly increases, so that the clutch 54 is disengaged and the rotational force of the motor 56 is not transmitted to the drive belt 2. Instead of the clutch 54, a known device may be combined to automatically stop the power supply to the motor 56 when the electric resistance of the motor 56 increases.

[0016]

[Second Embodiment] The carten rail 7 shown in FIG. 4 has a first storage chamber 71 and a second storage chamber 72 for the drive belt 2 and a runner-sliding chamber 73, as in the above-described embodiment. ,further,
This is a structure in which a manual runner-sliding chamber 74 is attached in the longitudinal direction at the lower portion of the first storage chamber 71 and the second storage chamber 72.
The manual runner-sliding chamber 74 has a slit 76 in the outer wall 75 in the longitudinal direction, and the runner-4 is attached to the slit 76 to expose the carten retaining piece 41. The carten hooked on the runner-4 is manually opened and closed.

[0017]

Since the present invention has been described above, the following effects can be obtained. <a> Carter rail has two drive belt storage chambers and 1
This is a simple shape in which two runners-sliding chambers are juxtaposed in the longitudinal direction, and slits are formed in the partition between the drive belt housing chamber and the runner sliding chamber and the outer wall of the runner sliding chamber. Therefore, the product cost can be reduced, the assembling work can be simplified, and the maintenance can be facilitated.

<B> Since the fixing jig for joining the leading runners has been improved to a simple structure other than the bolt fastening structure,
The shape could be kept to a minimum. Therefore, the outer dimensions of the cartel rail that stores the fixing jig are also small,
The size of the entire device can be reduced.

<C> Since the fixing jig can be mounted only by fitting it into the drive belt, detailed work such as the conventional bolting work is not required, and the efficiency of the device assembling work can be improved.

[Brief description of drawings]

FIG. 1 is an explanatory diagram of the entire apparatus

FIG. 2 is an explanatory diagram of main parts of the device.

FIG. 3 is an explanatory diagram of main parts of the device.

FIG. 4 is an explanatory diagram of the second embodiment.

FIG. 5 is an explanatory diagram of a conventional technique.

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[Procedure amendment]

[Submission date] July 15, 1994

[Procedure Amendment 1]

[Document name to be corrected] Drawing

[Correction target item name] All drawings

[Correction method] Change

[Correction content]

FIG.

[Fig. 2]

[Figure 3]

[Figure 5]

[Figure 4]

Claims (5)

[Claims] 1. Two drive belt storage chambers and one runner-sliding chamber are arranged side by side in the longitudinal direction, and a slit is opened in the longitudinal direction in the partition wall between one drive belt storage chamber and the runner sliding chamber, And a rail member having a slit formed in the outer wall facing the slit of the runner sliding chamber in the longitudinal direction, and two carten rails arranged along the upper and lower edges or the left and right edges of the window. , Pulleys provided at both ends of these cartels, an endless drive belt wound between these pulleys and annularly accommodated in the two drive belt accommodating chambers, and the runner sliding A runner group slidably fitted in a slit formed in the outer wall of the chamber, a runner positioned at the head of these runner groups, the head runner being fixed to the drive belt, and the two runners. In front of the same end of the cart rail Flop - a rotation transmitting member for connecting the Li, the one-flop which is connected by a rotation transmitting member - was characterized by more becomes possible with other, mosquitoes - - drive motor providing a rotational force to re Ten switchgear. 2. The opening / closing device for a carten according to claim 1, wherein the drive belt has teeth on the inner peripheral side, and the leading runner has a substantially U-shaped cross section and is provided inside the drive belt. An opening / closing device for a curtain, which is configured by being joined to a fixing jig having a tooth portion that meshes with the tooth portion. 3. The carten opening / closing device according to claim 2, wherein the drive belt is a state in which both end portions of one belt are butted against each other, and a fixing jig of the leading runner is provided at the butted portion. An opening and closing device for the curtain, characterized by being meshed into a ring shape. 4. The car according to any one of claims 1 to 3.
In the opening / closing device of the ten, a runner-sliding chamber for manual operation is attached in the longitudinal direction of the carten rail, and a slit is opened in the longitudinal direction of the outer wall of the runner-sliding chamber so that the slit can slide. An opening / closing device for a carten characterized by being constructed by fitting a runner group. 5. The car according to any one of claims 1 to 4.
In the opening / closing device of the ten, the two curten rails having different lengths are used, and the two leading ends are changed by changing the number of teeth of the two pulleys connected by the rotation transmitting member. An opening / closing apparatus for a carten, characterized in that the runners are moved at different speeds so that the opening / closing operations of the cartes on the respective carten rails are completed at the same time.