JP2770830B2 - Door mounting structure for automatic opening and closing doors - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to an automatic opening / closing door and a mounting structure of a door used therein.

(Prior art) Regarding the configuration of the automatic opening / closing door, a conventional,
Japanese Patent Application Laid-Open No. -15335, Japanese Utility Model Publication No. 57-52311 and the like are known.

The former fixes the holder on the wire wound between the pulleys,
A connecting member for hanging the door is hung on the above-mentioned receiving member, and the latter has a connecting member for hanging the door fixed endlessly wound between pulleys.

(Problems to be Solved by the Invention) In the former case, the driving device such as the pulley is directly attached to the Kamoi, which makes it difficult to perform maintenance cleaning and cannot be used for replacement. It is necessary to release the engagement between the connecting tool and the receiving tool, and for that purpose, it is troublesome to lift the door upward.

A similar problem exists for the latter. That is, the pulley is axially mounted on an attachment body that is screwed seamlessly, and the door attachment that suspends the door is fixed to the endless belt wound around the pulley, in other words, the driving device and the door. However, there is a problem that it is difficult to perform maintenance cleaning and replacement use.

The present invention has been made to solve the above problems.

(Means for Solving the Problems) That is, according to the first invention of the present application, while a holding member is fixed to a belt wound around a slave / drive pulley, a connecting tool is protruded from an upper edge of a door with a door roller, A mounting structure of a door body used for an automatic opening / closing door obtained by connecting a connecting tool to the holding body,
The connection between the holding body and the connecting member is carried by an engaging protrusion provided on one of the holding member and the connecting member, and a fitting hole provided on the other, and the engaging protrusion is directed toward the fitting hole. In addition to elastically biasing, the fitting hole is opened at least on the front side. The second invention is to fix the holding body to a belt wound around a slave / drive pulley, A mounting structure of a door body used for an automatic opening / closing door in which a connecting tool is protruded from an upper edge and a connecting tool is connected to the holding body, wherein the shape of the holding body is not inverted mountain shape in a front view. In the center of the lower part, a fitting hole facing the upper part is formed so as to be opened at least on the front side. It is slidable in the direction and constantly urged upward to protrude.

(Operation) According to the first and second aspects of the present invention, by moving the door along the running direction of the belt, the engaging projection is fitted into the fitting hole of the holding body, and the door is moved. Are connected so as to move together with the belt, and if the door thus connected is pulled to the front side, the engaging projection is disengaged from the fitting hole, and only the door can be removed.

Hereinafter, the present invention will be described with reference to the accompanying drawings showing one embodiment.

BRIEF DESCRIPTION OF THE DRAWINGS The drawings show an embodiment of the present invention, FIG. 1 is a perspective view showing a partly omitted part, FIG. 2 is a front view showing a partly omitted part, and FIG. -III enlarged sectional view,
FIG. 4 is a front view showing a connection state between the holder and the connector, and FIG.
Fig. 6 is a side view of the same, Fig. 6 is a front view showing a separated state of the holder and the coupler, Fig. 7 is an enlarged front view showing a connection structure of a power supply terminal and an outlet to a power supply circuit, and Fig. 8 (a). ) (B)
FIGS. 9 (a) and 9 (b) are diagrams showing another embodiment of the second invention.

First, the basic structure of the present invention will be described.
In the figure, reference numeral 1 denotes a fixed-side frame such as a Kamoi or a blind eye,
Reference numeral 2 denotes an arrangement plate which is detachably attached to the frame body. The arrangement plate 2 has a driven pulley around which a belt 21 is wound.
22, a driving pulley 23, a motor 24 for driving the driving pulley 23, and a power supply circuit box 25 for controlling the motor 24 are mounted.

In the vicinity of both ends of the frame 1, pin shafts 11 and 12 to which nuts are screwed are protruded toward the front side. On the other hand, near the one end of the mounting plate 2, the pin shafts 11 are engaged. A long hole 26 is formed so as to pass therethrough, and a cutout 27 through which the pin shaft 12 is engaged is formed at the other end. That is, if the pin shaft 11 is engaged with the long hole 26 and the arrangement plate 2 is moved to the other end (toward the pin shaft 12), the pin shaft 12 is engaged with the notch 27. When the screwed nut is tightened, both ends of the arrangement plate 2 are both engaged and supported together.

An outlet 13 is held and fixed by a bracket 14 at a position closer to the other end of the frame 1 (near the pin shaft 12), and at the other end of the mounting plate 2 (the side where the power supply circuit box 25 exists). , A power supply terminal 28 is provided. Therefore, when the mounting plate 2 is engaged with the frame 1 as described above, the power supply terminal 28 is connected to the outlet 13 as shown in FIG.

As shown in FIG. 3, the upper surface of the mounting plate 2 is
The wedge-shaped engagement with the frame body 1 is adopted, so that the engagement state of the arrangement plate 2 is stabilized.
The lower part of the frame 1 is formed in a projecting shape on the front side, and a rail 15 for guiding a door roller 41 described later is formed at an edge of the projecting portion.

 Next, the first and second inventions of the present application will be described.

The door body 4 has a pair of door rollers 41, 41 which are engaged with the rails 15 at the upper edge thereof, and the connecting member 5 is provided at the center of the door rollers 41, 41. The holding member 3 connected to the connecting member 5 is fixed to the belt 21 by a fixing bolt 31.

First, the connecting tool 5 will be described.
An engaging projection 51 slidable in the vertical direction, and a case body 53 incorporating a spring 52 for urging the engaging projection 51 upward,
The engaging projection 51 is normally provided with a case 53 by a spring 52.
It is in a state of protruding from the upper surface of the.

On the other hand, the holding body 3 has a shape in which the engaging projection 51 is removably fitted.

Specifically, the holding body 3 has an inverted mountain shape when viewed from the front, that is, the tapered surfaces 32, 3 which gradually rise from the bottom center to both sides.
2 and a fitting hole into which the engaging projection 51 fits at a junction (bottom center) with the tapered surfaces 32, 32.
33 are formed.

Therefore, as shown in FIG.
When the two are connected to each other in a state where they are separated from each other, the door body 4 is moved along the belt 21 so that the engagement projection 51 of the coupling tool 5 is inserted into the fitting hole 33 of the holding body 3. Should be reached.
In this case, the engaging projection 51 is pressed by the tapered surface 32 and the spring 52 is pressed.
It gradually sinks into the case body 53 while accumulating the restoring biasing force, and when the engaging projection 51 reaches the fitting hole 33, the pressing from the tapered surface 32 is released, and the spring 52 With the stored restoring urging force, the engaging projection 51 protrudes upward, and the engaging projection 51 is fitted into the fitting hole 33 as shown in FIGS.

Therefore, in this state, the motor 24 is driven to drive the pulleys 23, 2
When the belt 2 is rotated, the engagement protrusion 51, in other words, the door body 4 moves as the belt 21 rotates.

When only the door 4 is to be removed, the fitting hole 33 is used.
The engaging projection 51 may be pulled out from the opening. Specifically, if the door body 4 is pulled out to the front side, the engagement between the engaging projection 51 and the hole 33 is easily released. Further, even if the holding body 3 is moved to the front, the engagement between the two can be released. Even if the two can be easily removed in this way, no external force in the direction of removing both is applied during normal driving, so that they do not come off.

However, the connection between the connecting member 5 and the holder 3 can be made as shown in FIGS. 8 (a) and (b) or FIGS. 9 (a) and (b). Specifically, in FIGS. 8 (a) and (b), the holding member 3 is provided with an engaging projection 51a urged by a spring 52a, while the coupling tool 5 is formed with a fitting hole 33a. No. In FIGS. 9 (a) and 9 (b), the holding member 3
A front-rear direction tapered surface 32a is formed on the
The head side of FIG. 1 is configured to be rotated rearward by a spring 52b (biased from the front side toward the fitting hole 33). In the embodiment of FIGS. As shown by the imaginary lines in FIGS. 9 (a) and 9 (b), the joint element 51 is guided by the tapered surface 32a and fitted into the fitting hole 33 while being inclined forward (front side).

(Effects of the Invention) As described above, according to the first invention of the present application, a holding member is fixed to a belt wound around a slave / drive pulley, while a connecting tool is protruded from an upper edge of a door with a door roller. A mounting structure of a door body used for an automatic opening / closing door having a connecting member connected to the holding member, wherein a connection between the holding member and the connecting member is provided on one of the holding member and the connecting member. And a fitting hole provided on the other side, the engaging projection is elastically biased toward the fitting hole, and the fitting hole is opened at least on the front side, According to a second aspect of the present invention, there is provided an automatic apparatus in which a holding member is fixedly attached to a belt wound around a slave / drive pulley, while a connecting member is projected from an upper edge of a door with a door roller, and the connecting member is connected to the holding member. A mounting structure for a door body used for an opening / closing door, wherein the shape of the holding body is an inverted mountain shape in a front view and In the center of the lower part, a fitting hole facing the upper part is formed by opening at least on the front side, and on the other hand, an engaging projection that fits in the fitting hole so as to be detachable is formed in the upper part of the coupling tool in the vertical direction. Since the door is slidably and constantly urged upward to protrude, by moving the door body along the running direction of the belt, the engaging projection is fitted into the fitting hole of the holder. When the door body is connected so as to move together with the belt, and the door body connected in this way is pulled toward the front side, the engaging projection is disengaged from the fitting hole, and only the door body can be removed. it can.

[Brief description of the drawings]

BRIEF DESCRIPTION OF THE DRAWINGS The drawings show an embodiment of the present invention, FIG. 1 is a perspective view showing a partly omitted part, FIG. 2 is a front view showing a partly omitted part, and FIG. -III enlarged sectional view, FIG. 4 is a front view showing a connected state of the holding body and the connecting member, FIG. 5 is a side view thereof, FIG. 6 is a front view showing a separated state of the holding body and the connecting member, FIG. The figure is an enlarged front view showing a connection structure between a power supply terminal and an outlet to a power supply circuit, and FIGS. 8 (a), (b) and 9 (a), (b) are other embodiments of the second invention, respectively. FIG. DESCRIPTION OF SYMBOLS 1 ... Frame body 2 ... Arrangement plate 3 ... Holder 4 ... Door body 5 ... Connector, 21 ... Belt 22 ... Driven pulley, 23 ... Drive pulley 24 ... Motor, 33 , 33a ... fitting hole 41 ... door roller, 51, 51a ... engaging projection 52, 52a, 52b ... spring

Continued on the front page (56) References Japanese Utility Model Showa 50-63737 (JP, U) Japanese Utility Model Showa 54-66435 (JP, U) Japanese Utility Model Showa 52-102168 (JP, U) Japanese Utility Model Showa 61-83778 (JP) , U) (58) Field surveyed (Int.Cl. ⁶ , DB name) E05F 15/14

Claims (2)

(57) [Claims] 1. An automatic opening and closing method wherein a holding member is fixed to a belt wound around a slave / drive pulley, a connecting member is projected from an upper edge of a door with a door roller, and the connecting member is connected to the holding member. A mounting structure for a door body used for a door, wherein the connection between the holding body and the connecting tool is carried out by an engaging projection provided on one of the holding body and the connecting tool and a fitting hole provided on the other. A fitting structure for a door body used for an automatic opening / closing door, wherein the engaging projection is elastically biased toward the fitting hole and the fitting hole is opened at least on the front side. 2. An automatic opening / closing method wherein a holding member is fixed to a belt wound around a slave / drive pulley, while a connecting member is projected from an upper edge of a door with a door roller and the connecting member is connected to the holding member. A mounting structure of a door body used for a door, wherein the shape of the holding body is an inverted mountain shape when viewed from the front, and a lower center thereof is formed with a fitting hole facing the upper part opened at least on the front side, On the other hand, an automatic protrusion is provided on the upper part of the coupling tool so as to be slidably fitted in the fitting hole so as to be detachable and to be slidable in the vertical direction and always biased upward. The mounting structure of the door used for the opening and closing door.