JPH05306080A - Cable connecting device for elevator - Google Patents

Abstract

PURPOSE:To obtain a cable connecting device which does not require a conecting box, eliminates the need of the sealing work for a cable insertion hole at a site, and can execute the connection wiring work in a short time. CONSTITUTION:A holding means 19 for holding the branched side edge parts of the longitudinally passing cables 3 and 4 is installed in the lower part of the surface on the elevator passage side of the first electric fixture accommodating box 100 in which a calling button, etc., are accommodated. A plurality of connectors 15a, 15b, 15c, and 15d are mounted on a substrate 15 for branching the longitudinally passing cables 3 and 4, and the connector 15a connected with the branched cable among these connectors is closely fitting arranged in a cable insertion hole 17 drilled on the surface on the elevator passage side of the first electric fixture accommodating box 100.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator cable connecting device for branching and connecting longitudinal cables arranged along an elevator hoistway on each floor.

[0002]

2. Description of the Related Art FIG. 3 is a perspective view showing, for example, a crushed part of a conventional cable connecting device disclosed in Japanese Utility Model Laid-Open No. 3-53978. Reference numeral 100 denotes a first electric equipment housing box in which a first electric equipment (not shown) such as a call button switch for calling a car, which is arranged at a hall on each floor, is housed.
Reference numeral 1 denotes a conventional cable connecting device mounted on the hoistway side surface of each first electric appliance housing box 100, and a longitudinal cable 3 for sending power and control signals to the first electric appliance housing box 100 on each floor. 4 ... n is connected and supported on each floor, and has a function of branching a circuit for wiring to other electric appliances on each floor. The cable connection device 1 is each vertical cable 3, 4
A connection box 2 for connecting and supporting n and a printed circuit board 8 housed in the connection box 2 for branching the wiring are provided. Cable insertion holes 2a and 2d for inserting the longitudinal cables 3 and 4 are provided on the upper bottom surface of the connection box 2 and the first electric device housing box 10 is formed.
A cable insertion hole 2c for inserting the branch cable 5 for wiring to the first electric appliance is provided on the surface to be attached to 0,
A cable insertion hole 2 for inserting a branch cable 6 for wiring to a second electric appliance (not shown) which is an indicator showing a car movement position on the left side when viewed from the hoistway side.
b are drilled respectively. Female connectors 3a, 4a and 5a, 6a, which are in a detachable relationship with a male connector mounted on a printed circuit board 8 to be described later, are attached to the ends of the longitudinal cables 3, 4 and the branch cables 5, 6 respectively. Has been.

Male connectors 8a, 8b, 8c, 8 are provided on the front surface of the printed circuit board 8 with predetermined wirings on the back surface.
d is attached and fixed to the junction box 2 with the surface facing the hoistway side through a fixed seat 9 that also serves as an insulation. The male connectors 8a, 8b, 8c, 8d are the female connectors 3 respectively.
It has a detachable relationship with a, 6a, 5a, 4a.

Next, the connection and wiring procedure at the wiring site will be described. The connection box 2 is attached to the first electric appliance housing box 100, and the upper vertical cable 3, the lower vertical cable 4, and the first vertical cable 3 are attached.
The ends of the electric appliance branch cable 5 and the second electric appliance branch cable 6 are respectively inserted into the cable insertion holes 2a, 2d, 2c, 2b provided in the connection box 2 to connect predetermined connectors. After the connection is completed, each cable is fixed to the connection box 2, and the gap of each cable fixing portion is closed with a sealing material or the like in order to prevent intrusion of water droplets and the like. In particular, the cable insertion hole 2c penetrating the connection box 2 and the first electric appliance housing box 100 needs to be sealed as much as possible in view of the fireproof section. After that, do the same work on the other floors, and after wiring on all floors, check if there are any wiring mistakes. If there is no mistake, attach the cover (not shown) on the front side of the junction box 2 and work. To finish.

[0005]

In the conventional cable connecting device configured as described above, the connection box 2 having holes for cable insertion is required to connect and support each cable, and this connection box is required. No. 2 had a lot of processing man-hours and had a high production cost. Further, it is necessary to close the cable insertion hole of the connection box 2 with a sealing material after wiring, which is a cause of many man-hours and time required for connecting and wiring the cable. In particular, the work of sealing the cable insertion hole penetrating the connection box 2 and the first electric device housing box 100 is indispensable because of the fireproof section, but the work space is small and the work itself is troublesome.

The present invention has been made in order to solve the above problems, and does not require a connection box, and does not require the work of sealing the cable insertion hole at the site, and allows the connection and wiring work in a short time. The purpose is to get the device.

[0007]

In the cable connecting device for an elevator according to the present invention, holding means for holding the branch side end of the longitudinal cable is provided at the lower part of the hoistway side surface of the electric equipment housing box, The connector to which the branch cable is connected is closely fitted and arranged in the cable insertion hole formed in the hoistway side surface of the electric equipment housing box.

[0008]

In the cable connecting device for an elevator constructed as described above, the holding means holds the cable and acts so that the weight of the cable is not applied to the connecting portion by the connector. Further, the connector closes the cable insertion hole formed in the surface of the electric equipment housing box on the hoistway side.

[0009]

【Example】

Example 1. FIG. 1 is a perspective view showing an overall configuration of an embodiment of the present invention, FIG. 2 is an enlarged perspective view showing an enlarged main part of FIG. 1, and the same parts as those of FIG. The same reference numerals are given and the description is omitted. A printed circuit board 15 has male connectors 15a, 15b, 15c, and 15d on which a predetermined wiring is formed.
a on the side of the first electric appliance housing box 1 and 15b, 15c, 15
d is arranged and attached to the hoistway side, respectively.
In addition, an opening 17 into which the male connector 15a is tightly fitted is provided on the surface of the first electric device housing box 1 on the hoistway side.
Then, the printed circuit board 15 is arranged such that the peripheral surface of the male connector 15a is closely fitted to the peripheral edge of the opening 17, and the printed circuit board 15 is provided on the hoistway side surface of the first electric device housing box 100 via the fixing seat 9 which also serves as insulation. It is fixed. Male connectors 15a, 15b, 1
5c and 15d are female connectors 5a, 3a and 4 respectively.
It has a detachable relationship with a and 6a. 19 is provided below the side surface of the hoistway of the first electric appliance housing box 1, and the cable 3,
It is a cable fixing band which fixes the connection ends of 4 and 6. Reference numerals 100a denote groove portions provided on both side surfaces of the first electric device housing box 1 when the printed circuit board 15 is viewed from the front side, and are recessed from the both side surfaces. Each groove portion 100a is vertically arranged around the mounting position of the printed circuit board 15. It is growing.

Reference numeral 21 is a box-shaped cover for covering the printed circuit board 15. The surface facing the first electric appliance housing box 1 is open, and the bottom surface is a semi-circular cutout 2 recessed from the side of the opening.
3 is formed. Reference numeral 25 denotes a seal material for preventing water droplets and the like from entering the cover 21.
Is attached to the opening side of the upper surface of the. 27, 28
Is a locking piece attached to each side portion on the opening side of the cover 21, and these locking pieces 27, 28 extend along each side portion and are located closer to the first electric appliance housing box 1 side than the opening surface. The protruding portions 27a and 28a that extend inward and project inward from each other are bent and formed at the central portions of the locking pieces 27 and 28.

Next, the connection procedure at the wiring site will be described. The other connecting end of the branch cable 5 whose one end is connected to the first electric appliance is pulled out to the hoistway side from the opening 17, and the female connector 5a is connected to the male connector 15a. Then, the printed circuit board 15 is arranged on the hoistway side surface of the first electric instrument housing box 1 by tightly fitting the peripheral surface of the connector 15a and the peripheral edge of the opening 17, and fixed by screws or the like via the fixing seat 9. To do. Then, the longitudinal cable 3 hanging from the upper floor is once bent into a U-shape below the first electric appliance housing box 1, and then the female connector 3a is inserted into the male connector 15b to be connected. Similarly, the branch cable 6 is once bent into a U shape below the first electric appliance housing box 1, and then the female connector 6a is connected to the male connector 15d. Further, the female connector 4a of the longitudinal cable 4 is connected to the male connector 15c, and after connection, the connection ends of the cables 4, 6, 3 are bundled and fixed to the lower part of the first electric appliance housing box 1 with a cable fixing band 19. .. After that, the same work is performed on other floors, and after wiring on all floors is completed, it is checked whether or not there is a wiring error. If there is no mistake, the cover 21 is attached to the first electric appliance housing box 1, and the ridges 27a and 28a are fitted and fixed in the groove 1a. In this embodiment, the vertical cable 3 and the branch cable 6
Since it was curved and fixed in a U-shape below the first electric appliance housing box 1, the water droplets transmitted through the cable can be cut at the curved portion, and the water droplets can be prevented from entering the connector connection portion. it can.

[0012]

As described above, according to the present invention, since the holding means is provided in the lower part of the hoistway side surface of the electric equipment housing box, the connection box for supporting the cable becomes unnecessary, and the connection box Since the work of sealing the cable insertion port is also eliminated, the production cost is reduced and the work of connecting the cables can be performed quickly. Further, since the cable insertion hole formed on the hoistway side surface of the electric equipment housing box is closed by the connector mounted on the board, it is not necessary to seal the cable insertion hole at the time of connection work. Can be speeded up.

[Brief description of drawings]

FIG. 1 is a perspective view showing the overall configuration of an embodiment of the present invention.

FIG. 2 is an enlarged perspective view showing an enlarged main part of FIG.

FIG. 3 is a perspective view showing a crushed part of a conventional cable connecting device.

[Explanation of symbols]

 3 Vertical cable 5 Branch cable 15 Pudding and board (board) 15a, 15b, 15c, 15d Connector 17 Cable insertion hole 19 Cable fixing band (holding means) 100 First electric equipment housing box (electric equipment housing box)

Claims (1)

[Claims] 1. A longitudinal cable for sending electric power and control signals to electric appliances arranged along a hoistway and installed at a landing on each floor, and is equipped with a plurality of connectors connected to each other. And, each floor is branched by a board attached to the surface on the hoistway side of an electric equipment housing box for housing the electric equipment, and the longitudinal cable and the electric equipment are connected via a branch cable connected to the connector. In the cable connecting device of the elevator, holding means for holding the branch side end of the longitudinal cable is provided at the lower part of the hoistway side surface of the electric appliance housing box, and the connector to which the branch cable is connected is the electric appliance. A cable connecting device for an elevator, characterized in that the cable connecting device is arranged so as to be tightly fitted in a cable insertion hole formed on a surface of the housing box on the hoistway side.