JPH0752310Y2 - Member mounting device for engine box of automatic door system - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a so-called engine box which is provided with a motor, a control unit, a door rail, etc. and is fixed to an upper part of a doorway of a building in an automatic opening / closing door device, and more particularly to the engine box. The present invention relates to a mounting device for mounting members, such as end covers and covers, which are respectively mounted on both side end portions and front portions of a base forming a main body of a box.

[0002]

2. Description of the Related Art Generally, an engine box for an automatic opening / closing device called "retrofit type" for a sliding door is
As shown in FIGS. 4 and 5, the base a, the cover b, and the left and right end covers c, c are formed of four members. In FIG. 4, d indicates a sliding door.

Conventionally, this type of engine box is shown in FIG.
As shown in FIGS. 7 and 8, a base a having a side plate e, an upper wall plate f, and a rail portion g and having a U-shaped cross section is cut out from a material to a predetermined size, and the base a is cut at both ends. The end cover c is directly attached as shown in FIG. 7, or the end cover c is attached by screws k ...

[0004]

However, in the above-mentioned conventional end cover attaching means, in order to fix the end cover c to the end portion of the base a, screw holes i ... In addition, the fixing plate h must be cut into the screw hole part j on one side of the end cover c, and the screw hole part j must be cut in by the thickness of the fixing plate h. Therefore, the end cover c cannot be used for both left and right. There is an inconvenience.

The front portion of the end cover c (on the side opposite to the base)
When fixing the cover shown in FIGS. 4 and 5, the screw hole m on the cover side is processed at an accurate position using a gauge or the like, and moreover, from the outside of the cover, the screw hole portion of the end cover c is formed. Screws (not shown) are screwed onto j ..., and after confirming the assembled state of the total assembly, the product is shipped.

In addition, depending on the skill of the person working, if the screw holes m in the cover are displaced or if they are to be shrunk, especially in the field, the screw holes must be machined. When the screw cannot be opened at a predetermined position due to poor sharpness and is slid in the left / right or up / down directions, when trying to tighten the screw, it must be tightened while being diagonally called in. An excessive force is required for tightening, and in the worst case, the plus or minus groove cut on the screw head may be crushed, the screw hole j may be deformed or the screw thread may be crushed. The screw head may not be flush with the surface of the cover even after tightening is completed, and it may be necessary to redo the inspection at the time of installation completion,
In terms of processing, mounting, and management, the assembly is carried out with some difficulties.

In view of the above problems of the prior art, the present invention makes it possible to easily fix the first and second attachment members to each other not only at the time of factory assembly but also at the site. In addition, it is an object of the present invention to reduce the cost of the machining process by not requiring the screw hole machining and to reduce the cost.

According to a second aspect of the present invention, in addition to the structure of the first aspect, a pair of charging blocks are vertically provided on the front end side of the inner surface of the second mounting member so as to project from the left and right sides of the first mounting member. The second mounting member can be used for both ends as the left and right sides, and the widened portion for fitting the nut of the charging block is provided with slight clearances in the left, right, and up and down directions. Even if the screw holes are machined with deviation, it is easy to fix the second and third mounting members to each other, and the surface of the third mounting member and the head of the fixing screw can be flush with each other to form a good appearance. I am able to do it.

[0009]

In order to achieve the above object, the present invention provides a first mounting member such as a base having a substantially U-shaped side surface by a substrate, an upper wall plate and a rail portion. , At least a second by a pair of opposed end caps, etc.
The mounting groove of the mounting member is provided, and a pair of charging blocks engageable with the charging groove are provided on the inner surface of the second mounting member in the form of a flat plate. A wide groove and a pair of narrow grooves, each of which has a generally U-shaped front face and opens at the tip of the charging block, are continuously provided in the center portion and both front and rear sides, and a nut is fitted into the wide groove. , The second mounting member is loaded from the end of the first mounting member, and the tip of the tightening bolt screwed into the nut of each loading block is screwed into the base plate of the first mounting member. By making the first end
In an engine box of an automatic opening / closing door device, the second mounting member can be attached to the end of the first mounting member by pressing the mounting block onto the substrate of the mounting member and pressing the charging block against the side surface of the charging groove. It is intended to provide a member mounting device.

Next, according to a second aspect, in addition to the structure of the first aspect, a fixing screw is screwed into a loosely fitted nut in the charging block on the front side, whereby a third member such as a cover is formed. The content of this is that the mounting portion is attached to the front end of the second mounting member.

[0011]

According to the member attaching device of the first aspect, when the second attaching member is inserted from the end portion of the first attaching member, the second attaching member is inserted into the pair of inserting grooves of the first attaching member. Since the pair of charging blocks of the mounting member are engaged with each other, the inner surface of the second mounting member comes into contact with the end surface of the first mounting member.

Then, a tightening bolt is screwed into the nut fitted into the pair of charging blocks from the inside, and the nut is screwed into the base plate surface of the first mounting member. , The mounting block of the second mounting member is moved forward with the first mounting member by striking the substrate and further screwing it to the front of the charging groove. Since the second attachment member is pressed against the side surface, the second attachment member is attached with its inner surface sufficiently abutting on the end face of the first attachment member.

According to the second aspect of the present invention, there is provided the member mounting device as set forth above, wherein after mounting the second mounting member on the end of the first mounting member, a pair of upper and lower mounting members are provided on the front side of the second mounting member. The third mounting member is to be externally mounted on the insertion block. At this time, the inner surface of the second mounting member and the end surface of the third mounting member are brought into contact with each other.

Next, in the front plate of the third mounting member,
Inserting a fixing screw into the screw holes that are provided above and below the pair of charging blocks so as to correspond to the nuts fitted in advance, screw the nuts into the nuts, and tighten the screws. The end surface of the third mounting member is sufficiently abutted on the inner surface of the second mounting member, and is attached in this state.

Even if a screw hole of the third mounting member is machined with respect to the nut fitted to the charging block of the second mounting member, the nut is fitted to the widening groove of the charging block. Is loosely fitted to the third mounting member with a slight clearance in the left-right direction and the vertical direction, the nut can be made to correspond to the fixing screw of the screw hole, and the fixing screw is obliquely called in. The head is tightened flush with the surface of the third mounting member without being tightened as it is, so that the second and third mounting members are securely fixed to each other, and the appearance is not changed. Good.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described below. In the member mounting device according to claim 1, the first mounting member 1 as the base which is the main body of the engine box as in the conventional example as shown in FIG. By bending the plate 3 and the rail portion 4 forward at a right angle, the side surface is formed into a substantially U-shape, and
A pair of charging grooves 5 and 6 for the second mounting member are provided in the longitudinal direction so as to face each other vertically.

Furthermore, in this embodiment, the upper wall plate 3,
A partition wall plate 7 is provided so as to project from the substrate 2 in parallel with the rail portion 4, and is mounted on the upper and lower surfaces of the upper wall plate 3 and the rail portion 4 so as to be flush with the inner surface 2a of the substrate 2. The insertion grooves 5 and 6 are recessed, and the charging grooves 6 and 5 are recessed on both upper and lower surfaces of the partition plate 7 so as to be flush with the inner surface of the substrate 2 and thus face each other. Two pairs of charging grooves 5 and 6 for the second mounting member are provided.

Next, the second mounting member 8 serving as an end cover is shown in FIG.
And as shown in FIG. 2, it is formed in a flat plate shape,
Two pairs of charging blocks 9 and 10 are provided in parallel at the upper and lower sides on the rear end side of the inner surface 8a so as to inward.

The pair of upper and lower charging blocks 9 and 10 are shown in FIG.
As shown in FIGS. 3 (A) and 3 (B), in the front-rear direction (up-down direction in FIG. 2), front and rear narrow grooves 11 and 12 having a substantially U-shaped front surface are formed. Further, between them, widening grooves 13 each having a substantially U-shape on the front side are continuously provided in a state of opening at the tips of the charging blocks 9 and 10, respectively, and in the widening grooves 13, When the nut 14 is pushed in from the direction, it is fitted so as not to rotate in the circumferential direction. The nut 14 is prevented from falling off by the caulking portion 15 at the opening portion of the widening groove 13.

In the present embodiment, of the pair of upper and lower charging blocks 9 and 10, the upper charging block 9 has only the upper surface as shown in FIGS. 1 and 3A and 3B. A charging ridge 9a is provided so as to be long in the left-right direction, and this is a pair of charging grooves 5 and 6 in the first mounting member 1 and is a concave charging groove on the inner surface of the base of the upper wall plate 3. Only 5 can be charged.

The lower charging block 10 is as shown in FIG.
Charging ridges 10 formed on both upper and lower surfaces thereof in the left-right direction
a and 10b are provided so as to be symmetrically projecting, and these can be inserted into both lower insertion grooves 5 and 6 of the first mounting member.

Further, in the present embodiment, the narrow grooves 11, 12 and the wide groove 13 are formed in each of the charging blocks 9, 10.
As well as between the narrow groove 12 and the wide groove 13,
The maximum widening groove 16 in which the lateral width groove is larger than that of the widening groove 13
2 and FIGS. 3 (A) and 3 (B), the flange 14a is formed on the widening groove 13 and the maximum widening groove 16 as shown in FIGS.
A nut 14 with a lock is fitted, and the crimped portion 15 at the opening of the maximum widening groove 16 prevents the nut 14 from falling off.

As shown in FIGS. 2 and 3 (A), a tightening bolt 17 is attached to the nut 14 fitted to both the charging blocks 9 and 10 via a spring washer 18, and the charging blocks 9 and 10 are connected. It is screwed in by inserting it from the front narrow groove 11 of
The tip portion 17a can be screwed outward through the narrow groove 12 at the rear portion.

In the member mounting apparatus having the above structure, the first and second mounting members 1 and 8 are mounted to each other by the following work. First, the second mounting member 8 is moved from the direction shown by the arrow A in FIG.
If it is pushed into the open end of the second mounting member 8
Charging blocks 9 and 10 of the charging block 9a and 1
Due to the engagement of 0a and 10b, the charging grooves 5 and 5, 6 respectively.
As a result, the inner surface 8a of the second mounting member 8 is brought into contact with the end surface 1a of the first mounting member 1 as shown in FIG.

Next, by tightening the tightening bolts 17 screwed into the nuts 14 in the charging blocks 9 and 10 onto the inner surface 2a of the base plate 2 of the first mounting member,
The tip portion 17a hits the inner surface 2a of the substrate 2 and is further screwed, so that the second mounting member 8 is pulled forward (downward in FIG. 2) of the first mounting member 1. , Charging ridges 9a, 10 of charging blocks 9, 10
As shown in FIG. 3A showing a part of them, a and 10b are pressed against the side surface 5a of the charging groove 5 and the side surface of the charging groove 6 (not shown). As a result, the second mounting member 8 has the inner surface 8a of the end surface 1a of the first mounting member 1.
It will be attached in the state of being in contact with.

In the member attaching device according to claim 2,
As shown in FIGS. 1 and 2, in addition to the structure of claim 1, a pair of upper and lower charging blocks 19 and 20 are provided on the inner surface of the second mounting member 8 and project from the front end side thereof. so,
A total of four charging blocks 9, 1 are attached to the second mounting member 8.
0, 19, and 20 are formed.

Both charging blocks 19 and 20 are projectingly provided so as to face the charging blocks 9 and 10, and the second mounting member 8 is attached to both left and right ends of the first mounting member 1. It is formed so that it can be combined.

The charging blocks 19 and 20 have the same structure as the charging blocks 9 and 10, and the widening groove 1 thereof is provided.
3, the nut 14 is fitted in such a manner that the nut 14 does not rotate in the circumferential direction and that the nut 14 does not fall out from the opening in the front-rear direction (vertical direction in FIG. 2) and in the nut 14. Instead, a fixing screw 22 for attaching the third mounting member 21 is screwed.

Further, in the charging blocks 19 and 20, as shown in FIGS. 2 and 3A and 3B,
A nut 14 is fitted in the widening groove 13 with slight clearances B and C in the vertical and horizontal directions.
As a result, the nut 14 can be slightly moved in the vertical direction indicated by the arrows D⇔D 'in FIG. 3B and in the lateral direction indicated by the arrows E⇔E' in FIG.

In FIG. 1, 19a and 20a,
20b is a charging ridge formed on the charging blocks 19 and 20, and 23 and 24 are on the inner surface of the second mounting member 8, and are a pair of charging blocks 9 and 10 on the rear end side and the front end side. , 19 and 20 respectively show fixed blocks projecting from the lower parts. The fixed blocks 23 and 24 are different from the above-mentioned charging blocks only in that they do not have the above-mentioned charging protrusions, and nuts (not shown) are fitted therein.

According to claim 2 of the above-mentioned structure, as shown in FIG. 1, the first plate 21a, the upper wall plate 21b, and the lower wall plate (not shown) have a substantially U-shaped cross section. The mounting member 21 of No. 3 is fitted from the front of both the charging blocks 19 and 20, and the end surface 21c of the mounting member 21 as shown in FIG.
Will be brought into contact with the inner surface 8a of the second mounting member 8.

In the vicinity of the end of the third mounting member 21, the nuts 14, 14 of the pair of charging blocks 19, 20 are provided.
Since screw holes 25 are formed in advance corresponding to nuts (not shown) of the fixing block 24, the fixing screws 22 should be inserted into the screw holes 25, and screwed to the nut 14. As shown in FIG. 2, the third mounting member 21 can be attached to the second mounting member 8.

Screw holes 25 of the third mounting member 21 ...
.. are machined with a slight deviation, the nut 14 is fitted to the charging blocks 19 and 20 and the fixed blocks 23 and 24 so as to be movable in both the vertical and horizontal directions.
The nuts 14 ... Can be made to correspond to the screw holes 25, so that the fixing screws 22 ..

[0034]

Since the present invention is constructed as described above, in the present invention, the pair of charging grooves in the first mounting member are provided from the ends thereof to the second mounting member. After installing the charging block of No. 1, at the time of factory assembly, the first and second mounting members can be easily assembled by simply tightening the tightening bolts screwed into the nuts fitted to the charging block. Needless to say, it can be easily fixed on site, and since machining of screw holes is not required, the machining process is labor-saving and the manufacturing cost can be reduced.

According to the second aspect, since the second mounting member can be used for both left and right ends of the first mounting member, only one type of the second mounting member needs to be formed. It is more economical than the one formed in the above. Furthermore, regarding the third mounting member with respect to the second mounting member,
Even if the screw holes are machined with deviation, the nut is fitted in the widening groove in the charging block of the second mounting member with a slight clearance in both the vertical and horizontal directions. Since the holes can be accommodated, the fixing screws are not tightened while being obliquely called in, and the second and third mounting members are in a state in which the head of the fixing screw matches the surface of the third mounting member. Can be installed securely and can be done well.

[Brief description of drawings]

FIG. 1 is a perspective view of a main part in an exploded state showing an embodiment of a member mounting device in an engine box of an automatic opening / closing door device according to the present invention.

FIG. 2 is a lateral cross-sectional view of a main part showing a member mounting state of the embodiment.

FIG. 3 is a front view and (B) is a side view showing an upper charging block portion of a second mounting member in the above embodiment.

FIG. 4 is a front view showing an automatic opening / closing device.

FIG. 5 is an exploded perspective view of an engine box of the automatic opening / closing door device.

FIG. 6 is a partially cutaway perspective view showing a mounting device for a base and an end cover in a conventional engine box.

7 is a perspective view of an essential part of the engine box of FIG. 6 showing a state in which a base and an end cover are attached to each other.

FIG. 8 is a perspective view of a main part with a part of a mounting device showing a conventional example other than a base and an end cover of an engine box cut away.

[Explanation of symbols]

 1 1st attachment member 2 Board 3 Upper wall board 4 Rail part 5 Pair of charging grooves 6 Pair of charging grooves 8 Second mounting member 9 Charging block 10 Charging block 19 Charging block 20 Charging block 11 Narrow groove 12 Narrow groove 13 Wide groove 14 Nut 21 Third mounting member 22 Fixing screw

Claims (2)

[Scope of utility model registration request] 1. A first mounting member such as a base having a substantially U-shaped side surface composed of a substrate, an upper wall plate and a rail portion, and a second mounting member including at least a pair of opposed end covers. A pair of charging blocks engageable with the charging groove are provided on the inner surface of the second mounting member which is provided with a groove and has a flat plate shape. Each charging block has a central portion and front and rear sides. A front side substantially U which opens at the tip of the charging block.
Connecting a wide groove and a pair of narrow grooves in a line, respectively,
A nut is fitted into the widening groove, the second mounting member is loaded from the end of the first mounting member, and the tip end of the tightening bolt screwed into the nut of each loading block The tip of the mounting member is pressed against the substrate of the first mounting member by screwing the mounting block to the substrate of the first mounting member, and the charging block is pressed against the side surface of the charging groove to move the second mounting member to the first mounting member. A member mounting device for an engine box of an automatic opening / closing door device which is attachable to an end of a mounting member. 2. A first mounting member such as a base having a substantially U-shaped side surface formed of a substrate, an upper wall plate and a rail portion, and a second mounting member including at least a pair of opposing end covers. On the inner surface of the plate-shaped second mounting member provided with grooves, a pair of upper and lower charging blocks engageable with the above-mentioned charging grooves are projectingly provided on both front and rear sides in total, and each charging block is provided. Is provided with a wide groove and a pair of narrow grooves, each of which has a substantially U-shaped front face and opens at the tip of the charging block, and a nut is fitted into the wide groove at the center and both front and rear sides. Then
The second mounting member is inserted from the end of the first mounting member, and the tip of the tightening bolt screwed into the nut of the rear loading block is attached to the base plate surface of the first mounting member. The tip of the second mounting member by pressing the charging block against the side surface of the charging groove to press the second mounting member against the end of the first mounting member. To the front end of the second mounting member by attaching a fixing screw to a loosely fitted nut on the front loading block. The member mounting device for the engine box of the automatic opening / closing device.