JP5336104B2 - Mounting structure of the locking device to the door - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To firmly attach a locking device to a front plate by reinforcing a locking device attaching section of a door by a simple means. <P>SOLUTION: A rearward piece 8 extending rearward and an inward piece 9 extending inward are integrally formed at the peripheral edge of the front plate 3 of the door 2 by bending the front plate. A holding body 18 having an outward piece 19 projecting from the outer surface thereof is fitted to the front plate 3 in such a manner that the outer piece 19 faces the rear surface of the front plate 3. The outer end section of a reinforcement member 34 inserted between the front plate 3 and the outward piece 19 is fitted in the gap S formed by the front plate 3, the rearward piece 8, and the inward piece 9 while restraining the longitudinal movement thereof. A cylinder lock 33 is secured to the outward piece 19 and the reinforcement member 34 with screws 45. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to a mounting structure in which a locking device such as a cylinder lock can be firmly attached to a door made of, for example, a sheet metal.

As what attached the locking device to the door made from sheet metal, there exist some which are indicated in patent documents 1 and 2, for example.
JP-A-8-147556 (FIGS. 2 and 3) JP-A-8-338161 (FIGS. 1 and 2)

  In the thing of the said patent document 1, since the locking device is directly attached to the front plate of the door simply so that the key insertion part protrudes forward, the reinforcing effect of the locking device attachment portion on the front plate is In addition, the mounting strength of the locking device is small.

  Also in the thing of patent document 2, the handle member (escussion) which consists of synthetic resins etc. is inserted in the opening part formed in the front plate (front plate) of the door, and a locking device is attached to this handle member. Therefore, the front plate cannot be reinforced, and therefore the mounting strength of the locking device cannot be increased.

  The present invention has been made in view of the above problems, and by reinforcing the mounting portion of the locking device in the door with simple means, the locking device can be firmly attached to the front plate. It aims at providing the attachment structure of a locking device.

According to the present invention, the above problem is solved as follows.
(1) On one side edge of the front plate of the door, a backward piece extending rearward and an inward piece extending inward from the rear end of the rear piece are integrally bent. And a fitting member provided with an outwardly protruding piece on the outer surface is fitted into an attachment hole provided in the front plate so that the outwardly facing piece faces the rear surface of the front plate, The outer end of the reinforcing member sandwiched between the front surface of the piece is fitted into the space formed by the front plate, the backward piece and the inward piece so as to restrict the movement in the front-rear direction. The locking device is attached to the outward piece and the reinforcing member so that the main body is inserted into the opening formed in the outward piece and the reinforcing member, and the key insertion portion at the front end is exposed in front of the front plate. Secure with screws.

With such a configuration, a reinforcing member whose outer end is fitted into a space on one side edge of the front plate is inserted between the front plate of the door and the outwardly facing piece of the handle member fitted thereto. Then, by fixing the locking device to the reinforcing member and the outward piece with screws, the locking device mounting portion of the front plate of the door is reinforced by the outward piece and the reinforcing member of the handle member, and the locking device is moved forward. It can be firmly attached to the face plate.
Further, since the outer end portion of the reinforcing member is fitted in the space portion of one side edge of the front plate so as to restrict the movement in the front-rear direction, welding or attaching the reinforcing member to the front plate is possible. There is no need to use fixing means such as screws, the number of assembling steps of the reinforcing member can be reduced, and no processing for attaching the reinforcing member to the front plate is required.

(2) In the above item (1), the reinforcing member is formed by bending the metal plate so that the board has a forward U-shaped cross section, and the outwardly connected to the front end of the outer side piece. and a front piece, as having a countercurrent side pieces after extending from the outer edge of the front piece backward, the board, and KyoIri between outward piece surface and the handle member after the front plate, and The front piece and the rear side piece of the reinforcing member are fitted into the space portion of the front plate.

  With such a configuration, the reinforcing member is formed by bending a metal plate into a plurality of parts, and its bending rigidity is increased, so that the reinforcing effect of the locking device mounting portion on the front plate is high, and the mounting strength of the locking device Will increase.

(3) In the above item (1) or (2), a positioning piece projects forward from the opening edge of the outward piece of the handle member, and this positioning piece is fitted to the opening of the reinforcing member from the rear.

  With such a configuration, the reinforcing member is positioned with respect to the outward piece of the handle member, and in this state, the locking device can be fixed with the screw, so that the workability during assembly is improved.

(4) In the above item (3), the fixing device having a pair of outwardly facing fixing pieces is fixed to the locking device, and both the fixing pieces are brought into contact with the rear surface of the outwardly facing piece of the handle member. It fixes to a reinforcement member with a screw.

  With such a configuration, the locking device can be easily attached from the rear surface side of the door simply by bringing the pair of fixing pieces of the fixing metal into contact with the rear surface of the outwardly facing piece and fixing to the reinforcing member with screws from the rear. be able to.

(5) In the above item (4), a pair of rearward protruding pieces are provided on the rear surface of the outwardly facing piece of the handle member, and a pair of both fixed pieces of the fixing fitting are fitted between the two rearward protruding pieces. To do.

  With such a configuration, the locking device is positioned with respect to the outward piece of the handle member, and in this state, the locking device can be fixed with a screw, so that workability at the time of assembly is improved.

  According to the present invention, the locking device mounting portion of the front plate at the door is reinforced by the outward piece of the handle member fitted to the front plate and the reinforcing member sandwiched between the outward piece and the front plate. Therefore, the locking device can be firmly attached to the front plate.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a front view of a shoe locker equipped with an embodiment of the present invention, and FIG. 2 is a partially enlarged front view of the same. 2 is attached so that it can be opened and closed forward with a hinge 55 (details will be described later) at the right end as a center.

  As shown in the enlarged cross-sectional plan view of FIG. 3, each door 2 includes a front plate 3 made of a decorative steel plate and a rear plate 4 made of sheet metal attached to the rear surface thereof. A rectangular mounting hole 5 facing in the vertical direction is provided. Opposed flange flanges 6, 6 project from the rear surfaces of the left and right edges of the mounting hole 5.

A cushioning material 7 such as rubber is attached to the rear surface of the left end portion of the door 2.
On the periphery of the front plate 3, a rear piece 8, an inward piece 9 that faces inward from the rear end, and a forward direction that is shorter than the rear piece 8 that is connected to the inner end of the inward piece 9. The piece 10 is bent.

A synthetic resin frame member 11 having a vertically long rectangular shape is attached to the attachment hole 5 in the front plate 3.
The frame member 11 includes a vertically long box-shaped handle body 18 in which a recessed portion 17 having an open front surface is formed by left and right side pieces 12 and 13, an upper piece 14, a bottom piece 15, and a rear piece 16, and the front plate 3. An outwardly facing piece 19 is provided so as to face the rear surface of the side end portion and project substantially over the entire height of the outer side surface of the left side piece 12.

  An inwardly bent portion 12a is formed at the front end of the left side piece 12, and the rear side of the inwardly bent portion 12a is a handle 20 that is long in the vertical direction and is recessed outward. On the inner end of the inward bent portion 12a, the upper piece 14 and the bottom piece 15, and the front end of the right side piece 13, an outward frame-like edge piece 21 is formed in a frame shape. An engaging groove 22 is formed between the facing surface of the inwardly bent portion 12a and the frame-like edge piece 21 at that portion, and opens outwardly slightly larger than the thickness of the front plate 3.

The right side piece 13 of the handle body 18 is inclined so as to face outward toward the front. At the slightly rear part of the outer side surface of the side piece 13, two upper and lower elastic engagement pieces 23, 23 facing forward are slightly separated from the side piece 13 and the front end is close to the rear surface of the frame-shaped edge piece 21. Are connected in series so as to face each other. A gap formed between the frame-shaped edge piece 21 and the front end of each elastic engagement piece 23 is an engagement groove 24 substantially equal to the plate thickness of the front plate 3.
A number of ventilation holes 25 are formed in the upper piece 14 and the bottom piece 15.

  A rectangular window hole 26 that is long in the vertical direction is formed on almost the entire surface except for the left and right side edges of the rear piece 16, and a transparent plate made of acrylic or the like having the same thickness as the rear piece 16 is formed in the window hole 26. By fitting 27, a window W that allows the inside of the storage chamber 1 to be seen from the front is formed.

  To attach the frame member 11 to the front plate 3, as shown in FIG. 4, the entire frame member 11 is inclined, and the outwardly facing piece 19 side is inserted into the attachment hole 5 of the front plate 3 from the front side. The engagement groove 22 formed at the front end portion of the left side piece 12 of 18 is engaged with the left side edge portion of the attachment hole 5.

  Next, the right portion of the frame member 11 is rotated rearward so that the right end side of the handle body 18 is in the mounting hole 5 of the front plate 3, and the rear surface of the frame-shaped edge piece 21 on the right side is the mounting hole 5. Fit until it contacts the front surface of the side edge. Then, the elastic engagement piece 23 provided on the outer surface of the right side piece 13 comes into contact with the right opening edge of the mounting hole 5 and is elastically deformed to the left, and the front end of the elastic engagement piece 23 is By overcoming the opening edge and elastically restoring to the right, the right side edge of the mounting hole 5 is engaged with the engagement groove 24, and the frame member 11 is prevented from coming off forward.

  As shown in the rear view of FIG. 5, the latch 28 can be rotated around the vertical axis 29 on the rear surface of the upper end portion of the outwardly facing piece 19 in the frame member 11, and always outside by the torsion spring 30. It is attached by being biased toward. The latch 28 can be automatically engaged with and disengaged from the engagement hole 32 formed in the side surface of the vertical partition member 31 when the door 2 is opened and closed.

A cylinder lock 33 which is a locking device is attached to the center of the outward piece 19 in the vertical direction as follows.
As shown in the rear view of FIG. 5 and the enlarged cross-sectional plan view of FIG. 6, a reinforcing member 34 formed by bending a metal plate into a plurality between the front plate 3 and the outwardly facing piece 19 of the frame member 11. Is inserted. The reinforcing member 34 includes a substrate 35 having a forward U-shaped cross-section in plan view, a front piece 36 extending outwardly connected to the front end of the outer side piece 35a, and the front piece 36. The rear side piece 37 extends rearward from the side end.

The front-rear dimension of the rear side piece 37 is such that the movement in the front-rear direction is restricted in the space S between the front plate 3 and the inward-piece 9 and the back-rear direction is prevented from rattling. The dimension between the front face plate 3 and the inwardly facing piece 9 is approximately the same as the dimension between the opposing faces.
Further, the left and right dimensions of the front piece 36 are such that when the front piece 36 is inserted into the space S, the outer side surfaces (the right side surface in FIG. 6) of the side piece 35a and the rear side piece 37 respectively The size is such that it can abut against the inner surface (left side surface in FIG. 6) of the piece 10 and the rear piece 8.

As shown in the longitudinal sectional view of FIG. 7, the lock main body 33a of the cylinder lock 33 can be inserted from the rear into the outward piece 19 and the central portion in the vertical direction of the rear piece 35b in the substrate 35, respectively. A notch 38 that opens to the outer side and a notch 39 that opens to the inner side are formed.
A pair of upper and lower positioning pieces 40, 40 for restricting the movement of the reinforcing member 34 in the vertical direction are projected forward from the upper and lower edges of the notch 38 on the outwardly facing piece 19 side.

  In order to attach the cylinder lock 33, before the frame member 11 is mounted on the front plate 3, first, the front piece 36 and the rear side piece 37 of the reinforcing member 34 are bent at the side end portion of the front plate 3. The entire reinforcing member 34 is inserted into the space portion S between the backward piece 8, the inward piece 9, and the forward piece 10 so as to be inclined obliquely in the front-rear direction (see FIG. 6).

  Next, the upper and lower positioning pieces 40, 40 of the outwardly facing piece 19 in the frame member 11 fitted in the mounting hole 5 of the front plate 3 in the notch 39 of the reinforcing member 34 as described above are rearward as shown in FIG. Fit more. As a result, the reinforcing member 34 is positioned in the vertical direction, and the reinforcing member 34 is formed between the outward piece 19 and the front plate 3 by the inner surface of the base piece 35 being close to or in contact with the outer surface of the handle body 18. Between the opposing surfaces, it is inserted without play (see FIG. 6).

  Next, the lock body 33a of the cylinder lock 33 is inserted into the outward piece 19 and the notches 38 and 39 of the reinforcing member 34 from the rear, and the key insertion portion 33b is protruded forward from the through hole 41 formed in the front plate 3. After that, the upper and lower fixing pieces 42 a and 42 a of the fixing bracket 42 that is fixed to the rear end surface of the lock body 33 a and has a hat-shaped cross section when viewed from the side are brought into contact with the rear surface of the outwardly facing piece 19. At this time, the cylinder lock 33 can be positioned in the vertical direction by fitting both the fixing pieces 42a between a pair of upper and lower rearward projecting pieces 43, 43 projecting from the rear surface of the outward piece 19.

Next, as shown in FIG. 7, set screws 45, 45 are inserted from the rear into mounting holes 44, 44 formed in the upper and lower fixing pieces 42 a and the outward pieces 19 of the fixing metal 42, and these are used as reinforcing members. The upper and lower female screw holes 46 and 46 formed in the 34 substrate 35 are screwed and tightened.
Thereby, the attachment part of the cylinder lock 33 of the front plate 3 in the door 2 is reinforced by the outward piece 19 connected to the handle body 18 of the frame member 11 and the reinforcing member 34, and the cylinder lock 33 is attached to the door 2. It can be firmly attached to the front plate 3.

  A hook-like locking / unlocking lever 47 screwed to the rear surface of the lock body 33a and rotated by the operation of a key is provided with a locking / unlocking hole (not shown) provided on the inner side surface of the left vertical partition 31 in the storage chamber 1. ) And can be disengaged.

  As shown in the rear view of FIG. 5 and the enlarged sectional views of FIGS. 8 and 9, the rear surface of the outward piece 19 of the frame member 11 is exposed on the right side portion (left side portion in front view) of the rear plate 4 described above. In addition, a U-shaped opening 48 having a size that does not interfere with the rearward projecting portion of the handle body 18 and is open to the outside is formed.

  Further, the upper and lower edges (not shown below) of the rear plate 4 are fitted between the opposing surfaces of the forward pieces 10 and 10 formed on the upper and lower edges of the front plate 3 as shown in FIG. A forward-facing piece 49 that can be joined is bent. The front-rear dimension of the forward piece 49 is slightly shorter than that of the rear piece 8 of the front plate 3.

As shown in FIG. 9, the left side edge of the rear plate 4 (the right edge in the front view) except for the upper and lower ends includes a front piece 50 having a front-rear dimension equal to the front piece 49 and its front end. An outwardly extending piece 51 extending outward and a backwardly extending piece 52 extending rearward from the side end of the outwardly facing piece 51 are bent. The front-rear dimension of the rear piece 52 is approximately equal to the dimension between the opposing surfaces so that it can be fitted into the space S between the front plate 3 and the inward piece 9 without any difficulty.
Further, the left and right dimensions of the outward piece 51 are such that when the outer piece 51 is inserted into the space S, the outer side surfaces (the left side surface in FIG. 9) of the forward piece 50 and the rear piece 52 are respectively directed forward in the front plate 3. The size is such that it can abut against the inner surface (the right side surface in FIG. 9) of the piece 10 and the rear piece 8.

  To attach the rear plate 4 to the front plate 3, first, the entire rear plate 4 is inclined obliquely in the front-rear direction, and the outward piece 51 and the rear piece 52 are connected to the rear piece 8 at the side end of the front plate 3. And inserted into the space S between the inwardly facing piece 9 and the forwardly facing piece 10 (see FIG. 9).

  Next, as shown in FIG. 5, upper and lower projecting pieces 53, 53 projecting from opposite edges of the outer end portion of the opening 48 of the rear plate 4 are provided at both upper and lower ends of the rear surface of the outwardly facing piece 19 of the frame member 11. If fixed by the set screws 54, 54, the rear plate 4 is attached to the rear surface of the front plate 3 so that the opposing surfaces are separated from each other.

As shown in the rear views of FIGS. 2 and 5, a hinge 55 is attached to the corner of the upper right end (upper left end in FIG. 5) of the doors 2 arranged vertically as follows. Yes.
As shown in FIG. 10 which is a rear perspective view, the hinge 55 includes a metal base 56 and an upward hinge pin 57 integrally formed therewith.

From the left and right dimensions of the base piece 56a, the side piece 56a facing the up and down direction, the front piece 56b bent inwardly at the front edge thereof, and the front piece 56b bent inwardly at the rear edge of the side piece. Has a slightly long rear piece 56c, and the planar shape is an inward U-shape that can be inserted into the space S between the upper end portion and the side end portion of the front plate 3 without any hesitation.
The rear piece 56c has an inverted L-shaped rear surface by connecting an inwardly protruding piece 56d to the upper end portion. An inwardly U-shaped notch groove 58 that is recessed outward is formed at the edge of the lower end of the rear piece 56c.

The hinge pin 57 protrudes from the upper surface of the connecting corner between the side piece 56a and the front piece 56b.
Female screw holes 59 are formed in the middle portion of the rear piece 56c in the vertical direction and the inner end of the inwardly projecting piece 56d.

In the rear view of FIG. 10, the upper and side forward pieces 10 and 10 at the upper left corner of the front plate 3 are notched to a required length, and the hinges 55 are formed from the notches 60 and 60. Can be inserted into the space S.
An insertion hole 61 for the hinge pin 57 is formed in a side end portion of the rear piece 8 at the top of the front plate 3.

  When the hinge 55 is inserted into the space S, the lower end of the rear piece 56c of the base material 56 comes into contact with the stopper surface 62 at the upper end of the front piece 10 in the side cutout 60, and the hinge 55 is moved downward. It is designed to prevent falling. Even when the hinge 55 moves downward to a position where it comes into contact with the stopper surface 62 of the forward facing piece 10, the hinge pin 57 is prevented from being detached from the insertion hole 61.

  In order to attach the hinge 55, the hinge 55 is moved to the front plate until the upper end of the base material 56 and the outer surface of the side piece 56a come into contact with the lower surface of the upper rear piece 8 and the inner surface of the rear piece 8 respectively. 3 is inserted into the space S at the upper end corner of the front panel 3 and the hinge pin 57 protrudes upward from the insertion hole 61, and then the mounting hole is formed in the upper and side inward pieces 9 at the corner of the front plate 3. When the low head screws 64 and 64 are inserted into 63 and 63 and both the low head screws 64 are screwed into the female screw holes 59 and 59 of the rear piece 56c and the inward projecting piece 56d and tightened, the hinge 55 is connected to the front plate 3. It is fixed in the space S at the upper end corner (see FIG. 5).

  The hinge 55 is attached before the rear plate 4 is mounted. As shown in FIGS. 8 and 9, the rear plate 4 has a rear surface slightly forward of the rear surface of the inward piece 9. As shown in FIG. 5, the inner edge of the rear piece 56 c of the base material 56 is located behind the rear surface of the rear plate 4 and is exposed inward. Therefore, the unfixed hinge 55 accommodated in the space S of the front plate 3 is moved up and down with the tool or the like inserted from the inside into the notch groove 58 while the rear plate 4 is mounted. be able to.

As shown in FIG. 10, in the space S at the corner of the lower left end (lower right end in the front view) of the front plate 3, a reinforcing metal fitting 65 having an inward U-shape in plan view is provided as follows. It is installed in this way.
The reinforcing metal fitting 65 is connected to the corner at the lower right corner of the front plate 3 by the notches 66 and 66 formed in the lower portion and the front facing pieces 10 and 10 at the lower right corner of the front plate 3. After being inserted into the portion S, two holes are formed in the lower and side inward pieces 9 at the corners of the front plate 3 and the lower end portion of the rear piece 65a that is L-shaped when viewed from the rear side of the reinforcing bracket 65. By inserting the rivets 68 and 68 into the mounting holes 67 and 67 and caulking both the rivets 68, the reinforcing metal fitting 65 is fixed in the space S in the corner at the lower left end of the front plate 3. (See FIG. 5).

As shown in FIG. 2, the upper right end of the uppermost door 2 is fitted to the pivot hole (not shown) on the lower surface of the cross member 69 with the upper end of the hinge pin 57 of the hinge 55 attached to that portion. Thus, it is pivotally supported.
Further, the lower right end portion of the uppermost door 2 is pivotally supported by the hinge 55 of the lower door 2 as shown in the enlarged vertical sectional view of FIG. That is, between the opposing surfaces of the upper and lower doors 2, the lower right end lower surface of the upper door 2 is supported by the door support 70 attached to the front surface of the vertical partition member 31, and the hinge pin 57 of the hinge 55 in the lower door 2. Is inserted into the pivot support hole 71 formed in the lower rear piece 8 in the front plate 3 of the upper door 2 so that the lower right end portion of the upper door 2 is The lower door 2 is pivotally supported by a hinge 55.

  As described above, the lower right end of the upper door 2 is pivotally supported by the hinge 55 provided on the upper right end of the lower door 2 so that the right end of the doors 2 arranged in the vertical direction can be rotated. It is pivotally supported. Note that a synthetic resin spacer 72 having a small frictional resistance is attached to the lower surface of the rear piece 8 of the upper door 2 in contact with the upper surface of the door support 70 so that the door 2 can be opened and closed smoothly.

  As described above, in the mounting structure of the locking device of the above embodiment, the outer end portion is located between the front plate 3 of the door 2 and the outward piece 19 of the handle body 18 fitted thereto. Since the reinforcing member 34 fitted in the space S at the peripheral edge of the side end portion is inserted and the cylinder lock 33 is fixed to the reinforcing member 34 and the outward piece 19 with the screw 45, The attachment portion of the front panel 3 of the door 2 for the cylinder lock 33 is reinforced by the outwardly facing piece 19 and the reinforcing member 34 of the handle body 18, so that the cylinder lock 33 can be firmly attached to the front panel 3.

  Further, since the reinforcing member 34 is only fitted in the space S formed at the side edge of the front plate 3 with its side end portion restricted in the movement in the front-rear direction, the front plate 3 Further, it is not necessary to perform processing for attaching the reinforcing member 34, and the number of assembling steps can be reduced.

The present invention is not limited to the above embodiment.
In the above-described embodiment, the notches 38 and 39 are provided in the outwardly facing piece 19 and the reinforcing member 34 of the handle body 18, and the lock body 33 a of the cylinder lock 33 is inserted into these notches 38 and 39. Instead, a circular or square opening may be formed. At this time, a positioning piece that can be fitted into the opening of the reinforcing member 34 is preferably provided on the entire periphery of the opening of the outwardly facing piece 19, and in this way, the reinforcing member 34 is attached to the outwardly facing piece 19. Accurate positioning is possible.

  The above embodiment is an example in which the cylinder lock 33 is attached to the left end portion of the door 2. However, if the door 2 of the above embodiment is configured to be rotated 90 degrees, the cylinder lock 33 is connected to the front of the door 2. It can also be attached to the upper and lower ends of the face plate 3.

  Needless to say, the present invention can be applied to a door of a cabinet or the like in addition to the door of the shoe locker.

It is a front view of a shoe locker provided with one embodiment of the present invention. Similarly, it is a partial enlarged front view. FIG. 3 is an enlarged cross-sectional plan view taken along line III-III in FIG. 2. It is an expansion cross-sectional top view which shows the attachment point of the frame member to a door. It is an enlarged rear view of a door. FIG. 6 is an enlarged cross-sectional plan view taken along line VI-VI in FIG. 5. Similarly, it is a VII-VII line enlarged vertical side view. Similarly, it is an VIII-VIII line enlarged vertical side view. Similarly, it is an IX-IX line enlarged transverse plan view. It is a back perspective view of the right end part of a door. It is the XI-XI line expansion vertical side view of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Storage chamber 2 Door 3 Front plate 4 Rear plate 5 Mounting hole 6 Saddle-shaped flange 7 Buffer material 8 Back piece 9 Inward piece 10 Forward piece 11 Frame member 12 Side piece 12a Inward bending part 13 Side piece 14 Upper piece 15 Bottom piece 16 Rear piece 17 Recessed portion 18 Handle body (handle member)
DESCRIPTION OF SYMBOLS 19 Outgoing piece 20 Hand part 21 Frame-shaped edge piece 22 Engagement groove 23 Elastic engagement piece 24 Engagement groove 25 Ventilation hole 26 Window hole 27 Transparent board 28 Latch 29 Vertical shaft 30 Torsion spring 31 Vertical partition material 32 Engagement hole 33 Cylinder lock (locking device)
33a Lock body 33b Key insertion part 34 Reinforcement member 35 Substrate 35a Side piece 35b Rear piece 36 Front piece 37 Backward side piece 38 Notch (opening)
39 Notch (opening)
40 Positioning piece 41 Through hole 42 Fixing bracket 42a Fixing piece 43 Backward projecting piece 44 Mounting hole 45 Set screw 46 Female threaded hole 47 Locking lock lever 48 Opening 49 Forward piece 50 Forward piece 51 Outward piece 52 Backward piece 53 Projection piece 54 Set screw 55 Hinge 56 Base material 56a Side piece 56b Front piece 56c Rear piece 56d Inwardly projecting piece 57 Hinge pin 58 Notch groove 59 Female thread hole 60 Notch part 61 Insertion hole 62 Stopper surface 63 Mounting hole 64 Low head screw 65 Reinforcing bracket 65a Rear Piece 66 Notch 67 Mounting hole 68 Rivet 69 Cross member 70 Door support 71 Pivot hole 72 Spacer S Space W Window

Claims (5)

  On one side edge of the front plate of the door, a backward piece extending rearward and an inward piece extending inward from the rear end of the rear piece are integrally bent, A handle member having an outwardly protruding piece projecting from the outer surface is fitted into a mounting hole provided in the front plate so that the outwardly facing piece faces the rear surface of the front plate, and the rear surface of the front plate and the front surface of the outward piece The outer end portion of the reinforcing member sandwiched between the front plate, the rear piece and the inward piece is fitted into the space portion so as to restrict the movement in the front-rear direction, and the outward piece The locking device is attached to the reinforcing member with a screw so that the main body is inserted through the opening formed in the outward piece and the reinforcing member, and the key insertion portion at the front end is exposed in front of the front plate. A structure for attaching a locking device to a door, characterized by being fixed. The reinforcing member is formed by bending a metal plate to form a board having a forward U-shaped cross section, an outward front piece connected to the front end of the outer side piece, and an outer edge of the front piece. It shall have a direction side pieces after extending more backward, the board, and KyoIri between outward piece surface and the handle member after the front plate and the front piece and the rear direction side of the reinforcing member The structure for attaching a locking device to a door according to claim 1, wherein the piece is fitted into a space portion of the front plate.   The attachment of the locking device to the door according to claim 1 or 2, wherein a positioning piece protrudes forward from the opening edge of the outward piece of the handle member, and the positioning piece is fitted to the opening of the reinforcing member from the rear. Construction.   A fixing bracket having a pair of fixing pieces facing outward is fixed to the locking device, both fixing pieces are brought into contact with the rear surface of the outward facing piece of the handle member, and fixed to the reinforcing member by screws from the rear. The structure for attaching the locking device to the door according to any one of Items 1 to 3.   The door according to claim 4, wherein a pair of rearward protruding pieces are provided on the rear surface of the outwardly facing piece of the handle member, and a pair of both fixing pieces of the fixing fitting are fitted between the two rearward protruding pieces. The mounting structure of the locking device.

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