JP2001115726A - Suspension type sliding door device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simply adjust the position of installation in the vertical direction in a lintel member for a suspension type sliding door while preventing the shake of the lintel member in the longitudinal direction of an opening section. SOLUTION: A connecting suspension member 12 is composed of box-shaped base bodies 12a, fixing sections 12c fixed at the upper ends of the base bodies and connectors 12b projected from both left-right sides of the base bodies 12a, the fixing sections 12c are fixed at central sections in the horizontal direction of an opening section 2 as a ceiling section, door storage-case section side end sections 4b in each lintel member 4 are supported to brackets 6a, 6a installed at side end sections on the reverse side to the opening section 2 in the upper sections of both door storage-case sections 3 in a freely vertically positional adjustable manner while the lower end faces of adjusting bolts 15 screwed to the opening-section side end sections 4a of each lintel member 4 vertically movably are abutted at the upper ends of the connectors 12b in the connecting suspension member 12, the position of the height of the opening- section side end sections 4a are adjusted by operating the adjusting bolts 15,and the opening-section side end sections 4a are clamped together by bolts 16 under the state that they are held, by an engaging body 13 and the connectors 12b.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a suspension type sliding door apparatus in which an opening in an office, a hospital room, a corridor, or the like is closed by a pair of left and right sliding doors.

[0002]

2. Description of the Related Art In a conventional suspension type sliding door device, for example, as described in Japanese Utility Model Publication No. 3-44950,
A pair of left and right duck members provided above the door pockets on both sides of the opening from the opening in the hospital room or corridor, etc., and a guide rail inclined downward toward the center in the left-right direction of the opening. A pair of left and right sliding doors are movably suspended from the left and right guide rails via suspension wheels and the like. Therefore, once the pair of left and right sliding doors are opened and released, the sliding door moves toward the center in the left-right direction of the opening due to its own weight, and closes the opening.

[0003] In this case, the duck member is attached by connecting the pair of left and right duck members via a connecting member so as to be freely bent up and down, and the left and right ends of the connected duck members are opened at the door pockets. A support fixed to a side end opposite to the part is vertically adjustable and supported, while the connecting body is hung to a ceiling via a mounting bolt with a height adjustable, and The body and the ceiling were fixed by a vertically-swing member provided in parallel along the suspension bolt.

[0004]

However, in the configuration of the prior art, the mounting height of the connecting member is adjusted by the suspension bolt, so that each of the duck members is connected to the connecting member. The side ends cannot be adjusted separately. Therefore, if it is attempted to separately adjust the inclination angle of each of the duck members between the left and right central portions of the opening and the upper side of the door pocket portion, the side end portions of the duck members that are greatly apart from each other at the door pocket portion side It is necessary to adjust the mounting height of
There is a problem that a great deal of work is required for these adjustment operations.

[0005] Further, since the connecting body connecting the pair of right and left duck members is suspended from the ceiling by the suspension bolts,
In order to prevent the Kamoi member from swinging in the front-rear direction of the opening, that is, in the direction in which a person or the like enters and exits from the opening, the steadying member disposed in parallel with the suspension bolt is provided by the connecting body and the ceiling. And the number of members increases, and there is also a problem that the labor for mounting work increases.

An object of the present invention is to provide a suspension-type sliding door device which solves these problems.

[0007]

In order to achieve this technical object, a first aspect of the present invention is to provide a pair of left and right dumbbell members provided above an opening from an opening to door pockets on both sides of the opening. A guide means inclined downward toward the center in the left-right direction of the opening, and a pair of left and right sliding doors are movable on the left and right guide means in accordance with the left and right guide means. In the hanging support type sliding door device, which is suspended so as to close each other at the center in the left-right direction of the part,
A connection and suspension member fixed to the ceiling at the center in the left-right direction of the opening, a substantially box-shaped base projecting downward,
The base body is constituted by a connecting body protruding outward from both left and right side surfaces of the base, and the door pocket side end of each of the duck gate members is supported by a support provided above each of the door pockets. The end of the member on the opening side is connected to the connecting body of the connecting and suspending member so that the vertical position thereof can be adjusted.

According to a second aspect of the present invention, there is provided the suspension type sliding door device according to the first aspect, wherein an adjuster bolt is vertically movably screwed to an opening side end of each of the dolly members. The lower end surface of each of the adjuster bolts is brought into contact with the upper end surface of each of the connecting members so that the height position of the opening side end of each of the dolly members can be adjusted.

The invention described in claim 3 is the same as the invention in claim 2
In the suspension type sliding door device described in (1), the connecting suspension member is provided with a restriction piece for restricting a mounting posture of each of the dolly members.

According to a fourth aspect of the present invention, there is provided the suspension type sliding door device according to any one of the first to third aspects, wherein the engagement body is fitted to the rear surface side of the base of the connecting suspension member. The fitting portion and a pair of flange portions extending in both left and right directions from the fitting portion, and the flange portion and the connection suspension member in a state where the fitting portion is fitted to the back surface of the base. The left and right connecting members sandwiched each side end on the opening side of each of the duck members, and the three members of the side end, the connecting member, and the flange portion were fastened together by bolts. Things.

[0011]

According to the first aspect of the present invention, the connecting body protruding from the left and right sides of the connecting and suspending member fixedly suspended from the ceiling at the center in the left and right direction of the opening is provided. Since the upper and lower heights are adjusted by connecting the opening side ends of the pair of right and left duck members, after attaching the door pocket side end of each duck member, the worker is at a position near the center of the opening,
This has the effect that the inclination angle of the two lintel members can be adjusted very easily.

Further, the base of the connecting and suspending member fixed to the ceiling is formed in a substantially box shape, and the connecting body of the connecting and suspending member protruding to the left and right sides from the base is attached to each of the aforementioned dolly members. Since the opening side ends are connected to each other, the rigidity of the connecting suspension member is increased, and there is an effect that there is no torsion or swing in the front-rear direction, and the labor of the mounting operation can be reduced.

According to the second aspect of the present invention,
An adjuster bolt is vertically movably screwed to an opening-side end of each of the dolly members, and a lower end surface of each of the adjuster bolts is brought into contact with an upper end surface of each of the connecting members, whereby each of the dolly members is Since the height position of the opening-side end portion in the above is adjustable, the tilt angle of each duck member can be adjusted by a simple operation of adjusting the vertical position of the adjuster bolt.

[0014] The invention according to claim 3 provides the invention according to claim 2.
In the suspension type sliding door device according to the above, since the connecting suspension member is provided with a restriction piece for restricting the mounting posture of each of the dolly members, the restriction piece is opened in each of the duck members. By fixing or abutting on the upper surface side of the unit side end, there is an effect that each opening side end is reliably prevented from bending in the vertical direction of the opening and being twisted in the front-back direction of the opening. .

According to a fourth aspect of the present invention, there is provided the suspension type sliding door device according to any one of the first to third aspects, wherein the engagement body is fitted on the back side of the base of the connecting suspension member. The fitting portion and a pair of flange portions extending in both left and right directions from the fitting portion, and the flange portion and the connection suspension member in a state where the fitting portion is fitted to the back surface of the base. The left and right connecting members sandwiched each side end on the opening side of each of the duck members, and the three members of the side end, the connecting member, and the flange portion were fastened together by bolts. Therefore, the connection point between each of the duck members and the connection hanging support member becomes strong, and it is possible to reliably prevent the duck member from swinging in the front-rear direction of the opening as compared with the case of the prior art. It has the effect of being able to do it.

[0016]

Embodiments of the present invention will be described below with reference to the drawings. The suspension type sliding door device of the present invention is provided in the middle of a corridor of a building such as a hospital, in a corridor and a room, an opening between rooms, and the like. It can be opened and has door pockets 3, 3 on both left and right sides of the opening 2, and in FIG.
2 shows the door pocket panel on the front side and the detachable transom panel located on the surface side of the pair of left and right duck members 4 disposed above from the opening 2 to the door pockets 3 and 3.

Each door pocket portion 3 has a pair of front and rear front frames 5 and 5 which are boundaries with the opening portion 2 (only the back side is shown in FIG. 1).
And a lower support rail 6 fixed to the floor surface 7 along the moving direction of the sliding door 1, a lower guide rail 8 having an upward U-shaped section, and a frontage sandwiching the front and back of the rear support 6 and the lower guide rail 8. A pair of front and back door pocket panels 10 and 10 covering the door pocket space up to the frames 5 and 5 (however, in FIG.
Only shown). Left and right longitudinal slots 4c are provided at each side end (hereinafter, referred to as a door pocket side end) 4b of the pair of left and right duck members 4, 4 provided above from the opening 2 to the door pocket 3 at the door pocket 3 side. And the door pocket 3
Above, a bracket 6a as a support is fixed to the side surface of the back column 6, and the upper and lower longitudinal slots 6b formed in each bracket 6a and the slot 4c,
Each side end 4b is configured to be bolted to a bracket 6a fixed to the back column 6.

A downward U-shaped upper guide rail 9 suspended by welding or the like on a bracket 19b fixed to the lower surface of a beam member 19a of the building is provided above the opening 2 to the door pocket 3 above. It is arranged in parallel so as to face the lower guide rail 8. (See FIGS. 1 and 9). Note that reference numeral 19 shown in FIG. 9 is a ceiling plate.

Each of the side ends (hereinafter, referred to as opening side ends) 4a, 4a of the duck members 4, 4 at the center in the left-right direction of the opening 2 is connected to the connecting suspension member 12 by opening. It connects so that it may be pinched from the left-right direction of the part 2.

As shown in FIG. 4, the connecting suspension member 12 is
A substantially box-shaped base 12a, a connecting body 12b projecting outward from both left and right sides of the base 12a, and a downward U-shaped fixing portion 12 welded and fixed to the upper end of the box-shaped base 2a.
The fixing portion 12c is bolted to the lower surface of the upper guide rail 9 at the center of the opening 2 in the left-right direction.

As an embodiment of the present invention, the opening-side ends 4a, 4a of the duck members 4, 4 abut against the back surfaces of the one plate-like connecting members 12b, 12b projecting left and right. Further, the engaging body 1 is provided on the back surfaces of the opening side ends 4a, 4a.
3 are brought into contact with each other, and the three members are fastened with bolts 16.
As shown in FIG. 5, the engagement body 13 includes a fitting portion 13a fitted on the back surface of the base 12a, and a pair of plate-like flange portions 13b, 13b protruding laterally from the fitting portion 13a. A pair of upper and lower holes 1 in each flange portion 13b.
3c and 13c are drilled, while the connecting members 12
In b, upper and lower slots 12d, 12d are bored in a vertical pair (see FIG. 7). Then, the respective side end portions 4a,
4a, a hole 13c formed in the engaging body 13, and a slot 1 formed in the left and right connecting bodies 12b, 12b.
The joint body 12b, the opening side end 4a, and the flange 13b are fastened together by a bolt 16 that penetrates the 2d (see FIGS. 7 and 8).

The end 4 on the opening side of each of the Kamoi members 4
A nut 54 is fixed to the upper surface plate 4e of FIG.
The adjuster bolt 15 is screwed to the nut 54 so that the vertical position can be adjusted. Then, as described above, the bolts 16 that have been tightened together are loosened slightly, and the opening side ends 4a, 4a of the respective duck members 4, 4 are held in a state in which they can be displaced in the up-down direction, and this state At the position where the lower end surface of the adjuster bolt 15 is in contact with the upper surface of the connecting body 12b, the inclination angle of the suspension means 20 extending from the center of the opening 2 to the door pocket 3 side with respect to the horizontal in the longitudinal direction. Is measured, and if the inclination angle is a predetermined value, the bolt 16 is tightened. When the inclination angle is larger than a predetermined value, when the adjuster bolt 15 is rotated and the upper surface of the connecting body 12b is pushed downward by the lower end surface of the adjuster bolt 15, the reverse action of the duck member 4 is performed. Opening side end 4
Since a rises, the bolt 16 is tightened with the inclination angle set to a predetermined value. Conversely, when the inclination angle is smaller than a predetermined value, the adjuster bolt 15 is raised with respect to the nut 54, and
The opening side end 4a of each duck member 4 is pushed up so that the upper surface of 2b is applied, and the bolt 16 is tightened in this state. By changing the height position of the adjuster bolt 15 in this manner, each connecting body 12
b, the opening side end 4a of each of the Kamoi members 4
It is configured so that the height position can be adjusted.

An L-shaped restricting piece 1 as viewed from the side is provided on the upper surface plate 4e of the opening side end 4a of each of the duck members 4.
Each of the horizontal pieces 14a is fixed with a screw 58.
Next, the restricting pieces 14 are fixed to both sides of the base 12a above the connecting body 12b so as to protrude in opposition to the connecting body 12b (see FIG. 8). . At this time, a hole 14b having a diameter through which the head 15a of the adjuster bolt 15 can pass and a mounting hole 14c are formed in the horizontal piece 14a, and the adjuster bolt 15 is formed in the hole 14b.
, And the horizontal piece 14a is fixed to the upper surface plate 4e of the opening side end 4a of each of the duck members 4 with the screw 58 via the mounting hole 14c.
In the embodiment of the present invention, the restriction pieces 14,
The horizontal pieces 14a of FIG. 14 are fixed to the upper surface plate 4e of the opening side end 4a of the respective duck members 4 by screws 58, and the horizontal pieces 14a are brought into contact with the upper surface plate 4e. May be configured.

The connecting and suspending member 12 has column panel fixing members 17 and 18 bolted to the front and rear surfaces of the base 12a (see FIGS. 6 and 8).

Further, a space panel 11 (only the back panel 11 on the back side is shown in FIG. 1) so as to cover a space on a back surface and a front surface side of the duck member 4 where guide means to be described later are arranged.
The upper end thereof is hooked on a synthetic resin hanging member 52 detachably mounted on the upper guide rail 9, and the lower end thereof is provided on the transom panel fixtures 17, 18, the back column 6, etc. (not shown). It is provided so as to be fixed to the bracket with a decorative screw 53 (see FIGS. 8 and 9).

Next, guide means for suspending each sliding door 1 and guiding it in the opening and closing direction and interlocking means for synchronizing the pair of sliding doors 1 and 1 to open and close will be described. A pair of left and right guide means is disposed on the front side of the pair of left and right duck members 4 so as to incline downward toward the center of the opening 2 in the left and right direction. In the embodiment of the present invention, as an embodiment of the guide means, as shown in FIG. 10, a suspension comprising a fixed rail 21 having a U-shaped cross section as a guide rail and a movable member 22 also having a U-shape in a horizontal direction. Means 20. As shown in FIG. 3, the suspension means 20 is rotatably held by a retainer 23 in a ball groove at a vertical position between a fixed rail 21 fixed to the surface of the duck member 4 with screws or the like and a movable member 22. The movable member 22 is configured to be able to move left and right with a light force by inserting a large number of balls 24 arranged in a line. A vertical plate-shaped hanger bracket 25 is screwed to the movable member 22, and a plurality of (two in the embodiment, left and right) projecting upward from the upper end of each sliding door 1 is attached to the horizontal plate portion 26 at the lower end of the hanger bracket 25. The upper end of the suspension bolt 27 is connected. And, on both sides of the door pocket part 3 side of each Kamoi member 4,
The mounting bracket 28 is fixed with screws 29, and the side guide wheel 30 is rotatably supported by a support shaft 31 protruding laterally (horizontally) from the mounting bracket 28 (see FIGS. 1, 2, and 11). ).

A pair of left and right side guide wheels 30 is provided with a wire 32 serving as a rope-like interlocking means wound around an annular groove 30a on the outer periphery thereof. And fixed via screws 34. The other half (the left side in the embodiment) of the hanger bracket 25 for the sliding door 1 is connected and fixed to the middle part of the wire 32 in the same manner. Here, the wire 32 as the rope-shaped interlocking means includes a metal wire such as steel, a synthetic resin fiber, a multifilament stranded wire made of natural fiber such as hemp, a rope, a stranded string, a cable,
It may be an endless belt such as a timing belt including a cord and further having engagement teeth formed on an inner peripheral surface.

At the left and right central sides of the opening 2, a slack preventing means 40 for removing a slack in a middle portion of the wire 32 as a rope portion is arranged. In the embodiment of the present invention, as shown in FIGS. 12 and 13, as the loosening prevention means 40, a member composed of a pair of rotating bodies 41 and 42 that bends a middle part of the upper side of the wire 32 is connected to the connecting body 12 b.
The support bracket 43 is provided on the surface of the
The bolt 16 is fitted to the boss and fixed so that the left and right positions can be adjusted.

A collar 46 rotatably fitted on a central support shaft 45 projecting from the support bracket 43 in the horizontal direction.
The pivoting plate 47 is rotatably supported via. At both ends of the rotary plate 47, a pair of support shafts 48 are also projected in the horizontal direction, and the rotating bodies 41 and 42 are rotatably supported by the support shafts 48, respectively. An annular concave groove 49 is formed on the outer circumference of the rotating bodies 41 and 42, and the two rotating bodies 41 and 42 are arranged so that the outer circumferences thereof are close to each other. The middle part of the wire 32 is sandwiched so as to pass between the two rotating bodies 41 and 42, and a pair of rotating bodies is formed by an urging spring 50 mounted between the rotating plate 47 and the support bracket 43. 41,
By rotating and biasing the rotating plate 47 so that the straight line connecting the support shafts 48 is inclined with respect to the vertical,
The wire 32 sandwiched between the outer peripheries of the pair of rotating bodies 41 and 42 is bent around the outer peripheries of the pair of rotating bodies 41 and 42 so as to eliminate slack.

A shock absorber 51 such as an oil damper shown in FIGS. 1, 9 and 10 is used to prevent the generation of impact and noise in which the pair of sliding doors 1 approach each other in the closing direction and collide with each other. When the hanger bracket 25 of one of the sliding doors 1 approaches the deadline position, the hanger bracket 25 comes into contact with the front end of the hanger bracket 25 or a stopper piece attached thereto to reduce the impact. Instead of the suspension means 20, the guide means may be a form in which a rotating roller is rolled on the upper surface of a guide rail, and a sliding door is suspended from the rotating roller via a support bracket.

With the above construction, the connecting and suspending member 12 is fixed in advance to the left and right central portions of the opening in the upper guide rail 9, and then the door pocket side ends 4b and 4b of the left and right duck members 4 and 4. The upper and lower positions of the opening side ends 4a, 4a of the dolly members 4, 4 are fixed to the right and left sides of the connecting suspension Connected bodies 12b, 12 on both sides
b can be adjusted separately for each
When adjusting the degree of inclination of the left and right duck members 4, 4 and thus the degree of inclination of the suspension means 20, 20 as the guide means, the adjustment work can be performed at once at the connecting and suspending member 12, and the worker can use the door pocket. Since there is no need to largely move in the directions of the parts 3 and 3, there is an effect that the adjustment operation can be performed quickly and easily.

The connecting and suspending member 12 fixed to the ceiling is composed of a substantially box-shaped base 12a and a fixing portion 12 at the upper end thereof.
c and an integral rigid body composed of a connecting body 12b that is fixed to the base 12a and protrudes in the horizontal direction.
This makes it difficult for the a, 4a to swing in the front-rear direction of the opening 2, and also simplifies the work of attaching the duck members 4, 4.

The connecting and suspending member 12 is provided with regulating pieces 14, 14 for regulating the mounting posture of each of the duck members 4, 4. Is fixed or in contact with the upper surface plate 4e of the opening side end 4a of
Can be surely prevented from bending in the vertical direction and from being twisted in the front-rear direction of the opening 2.

Further, the opening side ends 4a, 4a
Is sandwiched between the connecting body 12b and the engaging body 13 in the front-rear direction of the opening 2 and the three members are fastened together by the bolts 16, so that the work of mounting work is simplified and The swing members 4 and 4 can reliably be prevented from swinging in the front-rear direction of the opening 2.

FIG. 14 shows another example of the means for adjusting the height of the opening-side end portions 4a, 4a of the duck members 4, 4 with respect to the connecting members 12b, 12b of the connecting suspension member 12. An embodiment will be described.

In the other embodiment, each of the Kamoi members 4
The nut 57 is fixed to the lower surface plate of the opening side end 4a by welding or the like, and the adjuster bolt 55 is fixed to the nut 57.
Is screwed so that the vertical position can be adjusted. Next, the upper end surface of the adjuster bolt 55 is brought into contact with the lower end of the connecting body 12b, and the height position of the adjuster bolt 55 is changed to adjust the height position of the opening-side end 4a. . Then, the horizontal pieces 56a of the L-shaped restricting pieces 56, 56 are fixed to the lower surface side of each opening side end 4a with screws (not shown), and the connecting members 12 of the base 12a are fixed.
The restricting piece 56 is configured to be fixed to both side surfaces below b so as to protrude in opposition to the connecting body 12b. At this time, a hole 56b having a diameter through which the head of the adjuster bolt 55 passes is formed in the horizontal piece 56a, and the adjuster bolt 55 is passed through the hole 56b, and the horizontal piece 56a is Are fixed to the lower surface plate of the opening side end 4a with screws (not shown). Here, the horizontal piece 56a is connected to the opening side end 4
a.

With this configuration, in the other embodiment, the connecting and suspending member 12 is fixed in advance to the left and right central portions of the opening of the upper guide rail 9, and then the door pocket portions of the left and right duck members 4 and 4 are fixed. The side ends 4b, 4b are
The upper and lower positions of the opening side ends 4a, 4a are attached to the brackets 6a, 6a as support members above the support members 3, and the connecting members 12b, 12
b can be adjusted separately for each
Similar to the embodiment of the present invention, the left and right Kamoi members 4,
4 and thus the suspension means 20, 20
In the case of adjusting the inclination degree, the adjustment work can be performed at once at the connecting and hanging support member 12, and the operator does not need to move greatly in the direction of the door pockets 3, 3 so that the adjustment work can be performed quickly and easily. It has the effect of being able to do it.

Further, since a regulating piece 56 for regulating the mounting posture of each of the duck members 4 is provided, the lower plate of the opening side end 4a of each of the duck members 4 is fixed to this regulating piece 56 or If it is in contact, similarly to the embodiment of the present invention, it is possible to surely prevent the opening side end 4a from bending in the vertical direction of the opening 2 and twisting in the front and rear direction of the opening 2. It works.

[Brief description of the drawings]

FIG. 1 is a schematic front view of a suspension type sliding door device.

FIG. 2 is a schematic perspective view of an opening and closing structure in the suspension type sliding door device.

FIG. 3 is an exploded perspective view of a frame of the suspension type sliding door device.

FIG. 4 is a perspective view of a connecting suspension member.

FIG. 5 is a perspective view of an engagement body.

FIG. 6 is a front view of a main part of FIG. 1;

7 is a sectional view taken along line VII-VII of FIG.

FIG. 8 is an enlarged sectional view taken along line VIII-VIII of FIG.

FIG. 9 is an enlarged sectional view taken along the line IX-IX of FIG. 1;

FIG. 10 is an enlarged sectional view taken along line XX of FIGS. 1 and 2;

FIG. 11 is an enlarged sectional view taken along the line XI-XI in FIGS. 1 and 2;

FIG. 12 is a front view of the slack preventing means.

FIG. 13 is an enlarged sectional view taken along the line XIII-XIII of FIG.

FIG. 14 is a front view of a main part showing another embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Sliding door 4 Kamoi member 4a Opening side end part 9 Upper guide rail 12 Connecting and suspending member 12a Base 12b Connecting body 12c Fixed part 12d Vertically and vertically long slot 13 Engaging body 14 Restriction piece 15 Adjuster bolt 20 Suspension means 30 Side guide wheel 32 wire 40 slack prevention means

Claims (4)

[Claims] 1. A pair of left and right duck members which are provided above and extending from an opening to the door pockets on both sides of the opening with guide means inclined downward toward the center in the left and right direction of the opening. A pair of left and right sliding doors is provided on the left and right guide means, and the pair of left and right sliding doors is movable in accordance with the left and right guide means, and is suspended from the left and right center portions of the opening so as to close each other. A connection box supporting member fixed to the ceiling at the center in the left-right direction of the opening, a substantially box-shaped base projecting downward,
The base body is constituted by a connecting body protruding outward from both left and right side surfaces of the base, and the door pocket side end of each of the duck gate members is supported by a support provided above each of the door pockets. The suspension type sliding door device, wherein the opening side end of the member is connected to the connection body of the connection suspension member so that the vertical position thereof can be adjusted. 2. An adjuster bolt is vertically movably screwed to an opening-side end of each of the dolly members, and a lower end surface of each of the adjuster bolts is brought into contact with an upper end surface of each of the connecting members. 2. The suspension type sliding door device according to claim 1, wherein the height position of the opening side end of each of the duck members is adjustable. 3. The suspension type sliding door device according to claim 2, wherein the connecting suspension member is provided with a restriction piece for restricting a mounting posture of each of the dolly members. 4. An engaging body comprising: a fitting portion fitted to the back surface side of the base of the connecting suspension member; and a pair of flange portions extending from the fitting portion in both left and right directions. In a state fitted to the back surface of the base, the flange side and the left and right connecting bodies of the connecting and suspending member sandwich the opening side end of each of the duck members, and each of the opening sides The suspension type sliding door device according to claim 1, wherein the end, the connecting body, and the flange are fastened together by bolts. 5.