JP2000087649A - Attaching structure of linear motor for automatic door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the attaching structure of a linear motor for an automatic door simple in an attaching work. SOLUTION: Since the attaching of a linear motor 4 is carried out from between the grooves 7 of a head jamb 6, the removement as usual of a transom cover is unnecessary. After the linear motor is inserted into a support bracket 11 in an inclined attitude raised at one end 4a, and made horizontal by raising its other end 4b, a fastening piece 31 fixed to the other end 4b is bolted to a fastening bracket 21 to simply finish an attaching work. In addition, the fastening bracket 21 and the fastening piece 31 are provided with a lock hole 25 and a locking claw 36 and can temporarily set the linear motor 4 about horizontally in the case of bolting, and a worker is not required to hold the linear motor 4 with his/her hand and can therefore secure the safety of the work.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for mounting a linear motor for an automatic door.

[0002]

2. Description of the Related Art As shown in FIG. 8, a conventional linear motor mounting structure for an automatic door has a linear motor a and a rail member b fixed horizontally to a frame member c and a roller d running on the rail member b. The attached door e is pulled open and closed by the mover of the linear motor a. Then, the entire mounting structure is covered by the space cover f.

[0003]

However, in order to remove the linear motor a and the door e, it is necessary to remove the space cover f, which is troublesome. In addition, the linear motor a and the rail member b are long and need to be fixed in a state of being supported substantially horizontally, and it is not easy for one person to perform the mounting operation. SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and has as its object to provide a mounting structure for a linear motor for an automatic door, which can be easily mounted.

[0004]

According to the first aspect of the present invention, there is provided a linear motor mounting structure for an automatic door according to the first aspect of the present invention. A supporting surface, an opposing wall erected from both side ends of the supporting surface, opposing walls, a holding piece projecting from the opposing wall and elastically contacting a side surface of the linear motor, and a linear motor supported by the supporting surface. A support bracket comprising a restriction piece provided on the opposed wall for restricting upward movement of the support bracket, wherein a position of a front edge of the support surface is retracted from a position of a rear edge of the restriction piece, and a linear motor. A fastening bracket for bolting a fastening piece fixed to the other end in the longitudinal direction is stretched between the grooves of the Kamoi, and a linear motor having an inclined posture in which the one end is raised from between the grooves of the Kamoi, Inserted between the opposing walls of the support bracket , Characterized in that mounted to lift the other end portion of the linear motor is bolted to the fastening piece fastened bracket.

According to a second aspect of the present invention, there is provided a linear motor mounting structure for an automatic door according to the first aspect, wherein a fastening claw or a fastening hole is formed in the fastening piece. A fastening hole or hooking claw is formed in the fastening bracket, and the hooking claw is hooked in the hooking hole, thereby temporarily moving the linear motor having one end inserted between the opposing walls of the support bracket. It is characterized in that it can be placed.

According to a third aspect of the present invention, in the structure for mounting a linear motor for an automatic door according to the first or second aspect, the support bracket and the fastening bracket have a distance between both ends. It is characterized in that a positioning piece in the width direction substantially matching the groove width of the Kamoi and a positioning piece in the longitudinal direction abutting on the vertical frame of the Kamoi are formed.

[0007]

According to the mounting structure of the linear motor for an automatic door according to the first aspect of the present invention, the position of the front edge of the support surface is restricted by the support bracket provided between the grooves of the gate. It is retracted from the position of one trailing edge. Therefore, a linear motor having an inclined position with one end raised from the groove of the duck can be inserted between the opposing walls of the support bracket. Then, while lifting the other end of the linear motor in the inclined posture and placing it on the support surface of the support bracket,
The fastening piece fixed to the other end is attached to the fastening bracket by bolting. On the opposing wall of the support bracket, the holding piece resiliently contacts the side surface of the inserted linear motor, so that one end of the linear motor can be positioned in the width direction,
The upward movement of one end of the linear motor that is merely placed on the support surface can be restricted by the restricting piece. In this way, one end of the linear motor in the inclined position can be inserted into the support bracket, and the other end can be mounted simply by lifting the other end and tightening the bolt. Since there is no need to insert from right beside, the installation work is simplified.

According to the mounting structure of the linear motor for an automatic door according to the second aspect of the present invention, one end is inserted between the opposing walls of the support bracket by engaging the engaging claw with the engaging hole. Can be temporarily placed in a substantially horizontal attitude.
Therefore, it is not necessary for the operator to hold the linear motor by hand when tightening the bolts, so that the mounting can be performed safely and easily.

According to the mounting structure of the linear motor for an automatic door according to the third aspect of the present invention, a positioning piece in the width direction and a positioning piece in the longitudinal direction are formed on the support bracket and the fastening bracket. The work of straddling and fixing between the grooves can be performed quickly, and the mounting accuracy of the linear motor can be increased.

[0010]

Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a schematic perspective view showing main components of the automatic door. The door 1 has guides 2 for preventing lateral shake fitted to both ends of the upper surface, and a joint 3 is attached to a substantially central portion. The linear motor 4 has a lower portion of the mover 5 protruding from the lower surface, and this portion is fitted into the joint 3. Both ends in the longitudinal direction of the linear motor 4 are attached by a support bracket 11 and a fastening bracket 21 laid between the grooves 7 of the gate 6.

As shown in FIGS. 2 to 4, the support bracket 11 has a support surface 12 on which one end 4a of the linear motor 4 in the longitudinal direction is mounted and supported. An opposing wall 13 that stands and is opposed to each other is formed. The opposing wall 13 has a linear motor 4
Is formed on the side surface of the holding member. Also,
A regulating piece 15 protruding between the opposing surfaces is provided at an upper end of the opposing wall 13.
Is formed and the linear motor 4 supported on the support surface 12
Is restricted from moving upward. And
The position of the front edge 12a of the support surface 12 is
It is retracted from the position 5a.

The outer width of the opposing wall 13 is substantially the same as the width of the groove of the gate 6, and positioning pieces 16, 17 in the width direction are formed at four lower left, right, front and rear. And the rear positioning piece 17 is the vertical frame 8 of the Kamoi 6
This is also a positioning in the longitudinal direction in which positioning is performed by abutting on a. The support bracket 11 positioned by the positioning pieces 16 and 17 is attached to the upper surface of the duck 6 by driving a nail 19 into a nail hole of a mounting piece 18 formed outside the opposing wall 13.

The fastening bracket 21 is shown in FIGS.
As shown in FIG. 3, the nut member 23 is attached to the end of the gate 6 so as to face the support bracket 11, and the upper surface 22 is aligned with a bolt insertion hole provided at the center in the width direction.
Has been fixed. The support piece 24 is bent and protrudes horizontally between the grooves 7 of the gate 6 at a position lower than the upper surface 22. A retaining hole 25 is formed in the support piece 24. At the rear end of the fastening bracket 21, a pair of positioning pieces 26 whose outer width dimension is approximately equal to the width of the groove 7 of the gate 6 are bent. The vertical bent portion 26a of the positioning piece 26 is positioned in the width direction, and the vertical bent portion 2
6a, the rear end of the horizontal bent portion 26b bent from the Kamoi 6
Is positioned in the longitudinal direction to contact the vertical frame 8b. The fastening bracket 21 positioned by the positioning piece 26 is attached to the upper surface of the door 6 by driving a nail 19 into a nail hole of a mounting portion 27 formed at both ends.

A fastening piece 31 is fixed to the other end 4b of the linear motor 4. The fastening piece 31 is composed of a fixing plate 32 and a fastening plate 33 bent at a right angle to the fixing plate 32. The fixing plate 32 abuts on one side of the linear motor 4 and is fixed by bolts 34. I have. A bolt insertion hole 35 is formed at the protruding end of the fastening plate 33 that extends around the lower surface of the linear motor 4. In addition, a locking claw 36 bent downward is formed on the fastening plate 33. Fastening plate 33
The horizontal distance between the bolt insertion hole 35 and the hooking claw 36 is substantially equal to the horizontal distance between the nut member 23 of the fastening bracket 21 and the hooking hole 25.

In order to mount the linear motor 4, as shown in FIG.
a is inserted between the opposing walls 13 of the support bracket 11. In this case, the front edge 12a of the support surface 12 of the support bracket 11
Is receded from the position of the trailing edge 15a of the restricting piece 15, so that the linear motor 4 can be inserted between the opposing walls 13 in an inclined posture with one end 4a raised, and the linear motor 4 is formed to protrude between the opposing walls 13. The holding pieces 14 elastically contact each other, and the both sides of the one end 4a of the inserted linear motor 4 are held.

Then, the other end 4b of the linear motor 4 in the inclined posture is lifted, and the support surface 12 of the support bracket 11 is lifted.
The fastening piece 3 placed on the top and fixed to the other end 4b
The hooking claw 36 formed on the first fastening plate 33 is hooked in the hooking hole 25 of the support piece 24 of the fastening bracket 21. Thereby, the linear motor 4 can be temporarily placed in a substantially horizontal posture as shown in FIG. In this state, the bolt insertion hole 35 of the fastening plate 33 is
Since the position of the nut member 23 of the fastening bracket 21 coincides with that of the fastening bracket 21, the fastening bolt 37 inserted into the bolt insertion hole 35 is screwed into the nut member 23 and fastened. At the time of this bolting, the operator does not need to hold the linear motor 4 by hand.

It is to be noted that an upward hooking claw is formed instead of the hooking hole 25 of the support piece 24 of the fastening bracket 21,
A locking hole may be formed instead of the locking claw 36 of the fastening piece 31. Further, when performing the bolting operation while holding the linear motor 4 by hand, it is not necessary to form the above-described hook holes and hook claws.

The mounting structure of the linear motor for automatic doors according to the present invention is such that the linear motor 4 is mounted between the grooves 7 of the gate 6 without the necessity of removing the span cover as in the prior art. Also, the linear motor 4 is attached to the support bracket 11.
Of the linear motor 4 in the horizontal position by lifting the other end 4b of the linear motor 4 and tightening the fastening piece 31 fixed to the other end 4b to the fastening bracket 21 by bolts. And the installation work is simplified. Further, by providing the locking holes 25 and the locking claws 36 in the fastening bracket 21 and the fastening piece 31, the linear motor 4 can be temporarily placed in a substantially horizontal posture when bolts are tightened, and Since it is not necessary to hold the hand by hand, work safety can be ensured.

The opposite wall 13 of the support bracket 11
In between, the holding pieces 14 protrude and elastically contact and hold both sides of the inserted linear motor 4, so that one end 4a of the linear motor 4 is positioned in the width direction. Further, the upward movement of the linear motor 4 that is only placed on the support surface 12 can be restricted by the restricting pieces 15. Furthermore, the support bracket 11 and the fastening bracket 21 are formed with positioning pieces 16, 17 and 26a in the width direction and positioning pieces 17 and 26b in the longitudinal direction, respectively. Thus, the operation of fixing the linear motor 4 at a predetermined position can be performed quickly, and the mounting accuracy of the linear motor 4 can be increased.

The door 1 is fitted into the gate 6 to which the linear motor 4 is attached as described above, and the door 1 is pulled by the linear motor 4 to be automatically opened and closed. As shown in FIGS. 1, 4 and 7, the joint 3 attached to the substantially central portion of the upper surface of the door 1 has a linear motor 4 between the towing arms 3 a having both ends bent at right angles to face each other. The lower part of the mover 5 projecting from the lower surface is fitted. A rubber cushion 41 is attached to the facing surface of each towing arm 3a.

As described above, the door 1 and the linear motor 4 can be connected to each other so as to be pulled by merely fitting the lower part of the movable element 5 between the pulling arms 3a of the joint 3; Like the sliding door, the door 1 can be fitted and removed without removing the span cover. Further, the vibration when opening and closing the door 1 is absorbed by the rubber cushion 41 attached to the facing surface of each towing arm 3a and is not directly transmitted to the movable element 5 of the linear motor 4, so that the linear motor 4 operates smoothly. .

[Brief description of the drawings]

FIG. 1 is a schematic perspective view showing main components of an automatic door.

FIG. 2 is a plan view showing a mounted state of the linear motor 4.

FIG. 3 is a sectional view of the support bracket 11;

FIG. 4 is a front view of the same.

FIG. 5 shows the fastening bracket 2 in a state where the linear motor 4 is temporarily placed.
1 is a cross-sectional view of a fastening piece 31. FIG.

FIG. 6 is a cross-sectional view showing the same tightened state.

FIG. 7 is a front view of a main part showing a connection state between the door 1 and the linear motor 4.

FIG. 8 is a cross-sectional view showing a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Door 4 ... Linear motor 4a ... One end 4b ... Other end 6 ... Kamoi 7 ... Groove 8a, 8b ... Vertical frame 11 ... Support bracket 12. ..Supporting surface 12a ... Front edge 13 ... Opposing wall 14 ... Nipping piece 15 ... Regulatory piece 15a ... Rear edge 16,17,26 ... Positioning piece 21 ... Tightening Bracket 23 ... Nut member 24 ... Support piece 25 ... Hook piece 31 ... Tightening piece 36 ... Hook claw 37 ... Tightening bolt

Claims (3)

[Claims] 1. A support surface on which one end in a longitudinal direction of a linear motor is placed and supported, an opposing wall erected from both ends of the support surface to oppose each other, and a linear protruding from the opposing wall. A gripping piece elastically contacting the side surface of the motor; and a regulating piece provided on the facing wall for regulating the upward movement of the linear motor supported on the support surface. A support bracket retracted from the position of the trailing edge of the regulating piece and a fastening bracket for bolting a fastening piece fixed to the other end in the longitudinal direction of the linear motor are respectively straddled between the grooves of the Kamoi, After inserting a linear motor having an inclined posture with the one end raised from between the grooves of the gate, between the opposing walls of the support bracket, the other end of the linear motor is lifted and the fastening piece is attached to the fastening bracket. It is characterized by bolted and mounted Mounting structure of linear motor for automatic door. 2. A locking claw or a locking hole is formed in the fastening piece, and a locking hole or a locking claw is formed in the fastening bracket, and the locking claw is locked in the locking hole. 2. The automatic door linear motor mounting structure according to claim 1, wherein the linear motor inserted at one end between the opposing walls of the support bracket can be temporarily placed. 3. The support bracket and the fastening bracket are formed with a positioning piece in a width direction in which a gap between both sides substantially matches a groove width of the duck and a positioning piece in a longitudinal direction abutting on a vertical frame of the duck. The mounting structure for a linear motor for an automatic door according to claim 1 or 2, wherein: