JPH09250258A - Bearing seat fitting device for door lock - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily and surely fit both bearing seat bodies to both side faces of a door body. SOLUTION: A bearing seat fitting device for a door look is provided with a bearing seat body 12 in one side which has a plurality of fitting holes and is brought in contact with a side face in the thickness wire direction of the door body and a bearing seat body 27 in the other side being in contact with the other side face in the thickness direction of the door body. A plurality of engaging projecting bodies 13, 18 which are engaged with a plurality of fitting holes of the door respectively and have shaft insertion holes 14, 19 are provided in either one of the bearing seat body 12 out of the bearing seat body 12 in one side and the bearing seat body 27 in the other side, and a plurality of engaging shaft 28, 31 which are engaged with shaft insertion holes 14, 19 of a plurality of the engaging projection bodies 13, 18 of the one bearing seat body 12 respectively are provided in the other bearing seat body 27. A plurality of the engaging projection bodies 13, 18 have axial ridges 15, 20 in their outside parts. A plurality of the engaging shaft 28, 31 have axial projection line 29, 32 in their outside parts. The both bearing seat bodies 12, 27 have axial insertion holes 21, 33 for inserting a handle shaft 55 thereinto.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seat mounting device for a door lock.

[0002]

2. Description of the Related Art Conventionally, as a seat mounting device for this type of door lock, as described in, for example, Japanese Utility Model Publication No. 4-46462, a cam is installed in a mounting hole formed in the thickness direction of the door. A lock case that accommodates the one of the mounting holes is provided, and a handle rod integrated with a handle into which one of the seats is inserted is inserted into a shaft hole formed in the cam, and is fully pushed, and then one of the receiving holes is inserted. Insert a plurality of screws inserted into the seat into the screw insertion holes of the lock case, project the insertion ends of the plurality of screws from the opposite side of the lock case to the other side of the mounting hole, and There is known a structure in which the other receiving seat, which is held in advance on the other side of the mounting hole, is screwed to the protruding end of the above, and the lock main body is fixed by the both receiving seats.

[0003]

In the structure described in the above publication, both the seats are attached to both sides of the lock case by screwing in a plurality of screws, so that it is only necessary to attach the both seats. First, the other seat is held in advance on the other side of the mounting hole while aligning the plurality of screw holes so that the protruding ends of the plurality of screws are screwed into the plurality of screw holes of the other seat. Moreover, since the plurality of screws are screwed from the screw holes of one of the seats to the screw holes of the other seat through the lock case, the screw heads of the plurality of screws are The seats are exposed on the outer surface of the seat, and both seats are fixed to the lock body.Therefore, depending on the frequency of opening and closing the door with the handle, the seats may be displaced in the opening and closing direction of the door and protrude from the mounting hole. Therefore, the installation operation of both strike plates is Moreover, after mounting both seats, a seat cover that covers the screw heads is required to compensate for the unsightly appearance of the screw heads of a plurality of screws exposed on the outer surface of one seat, There is a problem that it may be difficult to reliably hold the seat.

The present invention has been made in view of the above circumstances, and provides a seat lock mounting device for a door lock, which can easily and securely mount both seats on both side surfaces of the door body. The purpose is.

[0005]

According to a first aspect of the present invention, there is provided a seat mounting device for a door lock, wherein the seat mounting device has a plurality of mounting holes. The other side seat body that abuts on the other side surface in the thickness direction of the door body, and one of the one side seat body and the other side seat body receives the other seat body. A plurality of fitting projections that are provided so as to project toward the seat body and that respectively fit into the plurality of mounting holes of the door body and that have shaft insertion holes; and a plurality of the one seat body on the other seat body. A plurality of fitting shafts that are provided so as to be opposed to the fitting protrusions and that are fitted into the shaft insertion holes of the plurality of fitting protrusions, respectively.

Then, a plurality of fitting projections provided on one of the seats are fitted into a plurality of mounting holes of the door, and the one of the seats is placed in the thickness direction of the door. Abut on the side. Also, a plurality of fitting shafts projecting from the other side surface in the thickness direction of the door body to the other seat body are respectively fitted in the shaft insertion holes of the plurality of fitting projection bodies of the one seat body. The other seat body is brought into contact with the other side surface of the door body in the thickness direction. Therefore, in the state where the door body is sandwiched from both sides, the other seat body is attached to one seat body with one touch.

According to a second aspect of the present invention, there is provided a door lock seat mounting device,
The seat lock attachment device for a door lock according to claim 1, wherein the plurality of fitting projections have a plurality of axial projections on the outer side of the fitting projections, the projections being capable of being press-fitted into the inner wall surfaces of the plurality of mounting holes of the door body. Is to have. Then, one seat is securely attached by being crimped to the inner wall surfaces of the plurality of mounting holes of the door body by the plurality of axially extending projections of the plurality of fitting projections.

According to a third aspect of the present invention, there is provided a door lock seat mounting device,
The seat lock attachment device for a door lock according to claim 1 or 2, wherein the plurality of fitting shafts are axially protruded at their outer side portions into the inner wall surfaces of the shaft insertion holes of the plurality of fitting projections so as to be press-fittable. It has a plurality of ridges. Then, the other seat is securely attached by being crimped to the inner wall surface of the shaft insertion hole of the fitting projection by a plurality of projections in the axial direction of the plurality of fitting shafts.

A door lock seat mounting device according to a fourth aspect is
2. The door lock seat mounting device according to claim 1, wherein the seat body on one side and the seat body on the other side are formed of synthetic resin, and a handle shaft for inserting and retracting a latch is inserted into an end face of the door body of the door body. Each has a shaft insertion hole. Then, the handle shafts for protruding and retracting the latch to and from the door-contact end face of the door body are easily inserted into the shaft insertion holes of both the seat bodies, and the handles on both sides of the handle shaft are attached to the door-contact end face on both sides of the door body. The door body is opened and closed as the latch appears and disappears.

[0010]

An embodiment of the present invention will be described below with reference to the accompanying drawings.

Reference numeral 1 denotes a door body, and a lock accommodating hole 3 is formed in the door body 1 in the width direction of the door body 1 and opens at a door-contact end face 2. The lock-accommodating hole 3 is formed in the door-contact end face 2. A decorative plate 5 having a guide port 4 communicating with is fixed integrally.
A lock body 6 having a lock mechanism (not shown) is fitted in the lock hole 3, and the lock body 6 is retracted from the guide port 4 of the decorative plate 5 by the lock mechanism. The latch 7 is provided so as to be movable back and forth.

A handle shaft insertion hole 8 is formed in the door body 1 in the thickness direction of the door body 1 in the vicinity of the door contact end face 2 so as to pass through the lock receiving hole 3 and the handle shaft insertion hole 8 is formed. Both sides of the shaft insertion hole 8, that is, the handle shaft insertion hole 8
Mounting holes 9 are formed so as to penetrate through the left and right portions of the door body 1 in the width direction with respect to the center. Further, a mounting hole 10 and a guide through hole 11 are formed above and above the handle shaft insertion hole 8 so as to penetrate vertically in the thickness direction of the door body 1.

Next, 12 is a seat on one side that abuts on one side surface of the door body 1 in the thickness direction.
12 is made of synthetic resin and is formed in a substantially oval shape that is long in the vertical direction. Further, the door body 1 is attached to the seat 12 on the one side.
A cylindrical fitting projection 13 that fits into the mounting hole 10 in the upper part of the door body 1 is integrally and horizontally provided on the inner upper part that abuts on the.

A shaft insertion hole 14 opened at the tip of the fitting projection 13 is axially formed in the center of the fitting projection 13 at the upper portion. A plurality of axial protrusions 15 are integrally formed on the outer side of the outer peripheral portion 13 at predetermined intervals in the circumferential direction so as to project into the inner wall surface of the mounting hole 10 in the upper portion of the door body 1 so as to be press-fitted. There is. Further, the seating body 12 on the one side is located immediately below the fitting projection 13 on the upper side.
An insertion hole 17 having a circular guide recess 16 is formed on the outside thereof.

Further, the receiving body 12 on one side is provided with a cylindrical fitting projection 18 which is fitted to the lower left and right mounting holes 9 of the door body 1 at an inner lower portion which abuts on the door body 1, respectively. Horizontally integrally provided, the left and right fitting projections 18 have a shaft insertion hole 19 axially formed at the center thereof, which is opened at the tip of the fitting projection 18. A plurality of axial ridges 20 are formed on the outer sides of the left and right fitting projections 18 at predetermined intervals in the circumferential direction so as to be press fit into the inner wall surfaces of the lower left and right attachment holes 9 of the door body 1. Are integrally formed.

Further, a shaft insertion hole 21 communicating with the handle shaft insertion hole 8 of the door body 1 is inserted through the seat 12 on one side located between the left and right fitting projections 18. Has been formed. An annular projection 22 is integrally provided on the outer upper part of the one-side seat 12 around the guide recess 16 so as to project outward, and a stopper 23 is provided on the upper part of the annular projection 22. It is projected integrally toward one direction.

An annular projection 24 is integrally provided on the lower part of the outer side of the seat 12 on the one side, with the shaft insertion hole 21 as the center, toward the outside. Further, on the outer side portion of the seat body 12 on the one side, a vertically elongated oval cover body 26 formed of synthetic resin having an insertion hole 25 communicating with the shaft insertion hole 21 is fitted. ing.

Next, 27 is a receiving body on the other side that abuts on the other side surface in the thickness direction of the door body 1, and this receiving body on the other side.
27 is made of synthetic resin and is formed in a substantially oval shape that is long in the up-down direction, and the seat body 27 on the other side is formed in substantially the same shape as the seat body 12 on the one side.

The seat 27 on the other side is inserted into the shaft insertion hole 14 of the fitting projection 13 on the upper part of the seat 12 on the one side at the inner upper part which abuts on the door 1. A cylindrical fitting shaft 28 that fits in a horizontal direction is integrally provided so as to project horizontally, and an outer portion of the fitting shaft 28 at the upper portion of the fitting protrusion 13 of the fitting protrusion 13 is circumferentially spaced at predetermined intervals. On the inner wall surface of the shaft insertion hole (14), a plurality of axial protrusions (29) projecting so as to be press-fitted are integrally formed.

Further, a shaft insertion hole 30 which is located immediately below the upper fitting shaft 28 and is opposed to the insertion hole 17 of the one side seat 12 is formed in the other side seat 27. ing. Also,
The seat 27 on the other side is inserted into and fitted into the shaft insertion holes 19 of the left and right fitting projections 18 of the lower part of the seat 12 on the one side at the inner lower portion that abuts on the door body 1. Cylindrical fitting shafts 31 are integrally projected horizontally, and the fitting projections are provided on the outer sides of the left and right fitting shafts 31 at predetermined intervals in the circumferential direction.
A plurality of axial protrusions 32 projecting so as to be press-fitted are integrally formed on the inner wall surface of the shaft insertion hole 19 of the shaft 18.

Furthermore, the handle shaft insertion hole 8 of the door body 1 and the shaft insertion of the one-side receiving body 12 are inserted into the other-side receiving body 27 located between the left and right fitting shafts 31. A shaft insertion hole 33 facing the hole 21 is formed so as to penetrate therethrough.

Further, a peripheral edge projection 34 is integrally provided on the outer side portion of the other side seat 27 along the peripheral edge portion thereof, and the peripheral edge projection 34 is integrally formed inside the peripheral edge projection 34. Is formed in the vertical direction, and a receiving recess 35 is formed in the vertical direction.
The lower end of 35 is formed as an arcuate guide surface 35a. In addition, a substantially rectangular accommodating stepped portion 36 is formed in the upper part of the accommodating recess 35 so as to be recessed toward the inner side around the shaft insertion hole 30.

Further, the storage step portion is communicated with the storage step portion 36.
Vertically engaging grooves 37 are formed on the upper, lower, left and right sides of the 36, respectively, and both ends of elastic wire rods 38 in the vertical direction are fitted in the vertically engaging engaging grooves 37. The left and right elastic wire members 38 are elastically deformable in the left and right direction about the shaft insertion hole 30 with both ends as fulcrums.

Further, the trapezoidal support projections 39 are integrally formed at the left and right parts of the shaft insertion hole 33 at the outer lower part of the other side seat 27 and at the inner part of the peripheral projection 34. Engaging holes 40 are formed in the left and right support protrusions 39, respectively. The left and right support protrusions 39 are formed with arcuate guide surfaces 39a at their opposing projecting ends, and stoppers 39b at their lower portions.

Further, a vertical engaging recess is formed in the inner portion of the peripheral projection 34 located above the left and right support protrusions 39.
41 are respectively formed. Further, a support protrusion 42, which is located between the upper ends of the left and right engagement recesses 41 and is flush with the support protrusion 39, is integrally provided at an intermediate portion of the accommodation recess 35 so as to project outward. An engagement hole 43 is formed in the support protrusion 42.

Further, a bendable hinge piece 44 is integrally provided at the lower end of the accommodation recess 35, and the hinge piece 44 is integrally formed.
A lid 45 is integrally connected to the lower end of 44. The lid 45 is formed by having a disc-shaped portion 46 and a rectangular plate-shaped portion 47 integrated with the disc-shaped portion 46.

A shaft insertion hole 48 having the same circular shape as the shaft insertion hole 33 is formed in the disc-shaped portion 46, and the left and right portions of the disc-shaped portion 46 are located outside the shaft insertion hole 48. The left and right engaging holes
Engagement protrusions 49 that fit with 40 are respectively provided. Further, the left and right engaging recesses are formed in the left and right portions of the rectangular plate-like portion 47.
An engaging piece portion 50 that fits into the 41 is integrally projected, and an engaging protrusion 51 that fits into the engaging hole 43 is provided at an intermediate portion of the rectangular plate portion 47.
Are protruded integrally.

Then, the hinge piece 44 is bent to overlap the lid body 45 with the outer lower portion of the other-side seat body 27, and the engaging projections 49 and 51 of the lid body 45 are received on the other-side seat body. By pushing the fitting holes 40 and 43 of the body 27 to fit them,
The reference numeral 45 denotes the support projections 39,
It is supported by 42 and is held at a predetermined distance from the accommodation recess 35.

Further, a cover body 52, which is formed in a substantially oval shape elongated in the vertical direction, is fitted to the outer side portion of the other side receiving body 27 via the lid body 45. This cover body 52 is
A large-diameter guide hole 53 communicating with the shaft insertion hole 30 of the other side seat 27 is formed in the upper part thereof, and the shaft insertion holes 33, 48 of the other side seat 27 are formed in the lower part thereof. A large-diameter insertion hole 54 that communicates with is formed.

Next, 55 is the shaft insertion hole 21 of the seat 12 on the one side, the insertion hole 25 of the cover body 26, and the shaft insertion holes 33, 48 of the seat 27 on the other side and the cover body. A round rod-shaped handle shaft that is inserted into the insertion hole 54 of the handle 26, and one side portion of the handle shaft 55, that is, the accommodation recess of the receiving body 27 on the other side.
The handle shaft 55, which is located inside the steering wheel 35, is provided with horizontal locking notch locking surfaces 56 on both sides. Further, the door body 1 is provided at both ends of the handle shaft 55.
Handles 57 protruding along both side surfaces in the thickness direction of the are respectively attached.

Next, the accommodating concave portion of the other side receiving body 27
A first lock plate 58 fitted to one side of the handle shaft 55 is rotatably accommodated in the lower part of the accommodation recess 35 in the interior of the 35. This first lock plate 58
Has a substantially disk-shaped plate body 59, and a mounting hole 60 is formed in the center of the plate body 59 for inserting the handle shaft 55, and the handle shaft 55 is provided on opposite sides of the mounting hole 60. Locking locking projections 61 that come into contact with the locking surfaces 56 on both sides of the locking projections 61 are integrally projected toward the other side.

Further, the plate main body 59 has arcuate surfaces 62 formed on the left and right sides thereof, which rotate along the arcuate guide surfaces 39a of the left and right support projections 39 projecting from the accommodating recess 35,
A substantially fan-shaped fitting projection 63 is integrally formed on the upper end portion thereof, and a substantially fan-shaped engagement projection 64 is integrally formed on the lower end portion thereof, and both end portions of the engagement projection 64 are formed. Each has an engaging surface 65 that engages with and disengages from the stopper 39b of the support projection 39 provided in the accommodation recess 35, and the lower end of the engagement protrusion 64 has the accommodation recess 35 of the accommodation recess 35. An arcuate surface 66 that rotates along the arcuate guide surface 35a at the lower end is formed.

Next, the accommodation recess of the seat 27 on the other side
A second lock plate 67, which is engaged with and disengages from the first lock plate 58, is accommodated in the upper part of the accommodation recess 35 so as to be vertically movable. This second lock plate
67 has a plate body 68 having a substantially rectangular plate shape, and the plate body 68 is moved up and down along the left and right edges of the plate body 68 along the left and right guide edges 35b of the accommodation recess 35. Guide edge portions 69 are formed respectively, and the upper portion thereof has a substantially elliptical cam engagement hole 70 having a diameter larger than that of the shaft insertion hole 30 in the left-right direction, which communicates with the shaft insertion hole 30 of the receiving body 27 on the other side. Are formed so as to penetrate therethrough.

A fitting recess 71 is formed at the lower end of the plate body 68 so as to be removably fitted into the fitting protrusion 63 at the upper end of the first lock plate 58. A fitting groove 72 is formed in the middle upper portion of the fitting recess 71 so as to be removably fitted into the support protrusion 42 of the receiving body 27 on the other side from above.

Next, the accommodating recess of the other side seat 27
An operation body 73 is rotatably provided on the upper portion of the 35. The operating body 73 is provided with the shaft insertion hole 30 of the receiving body 27 on the other side.
Has a cylindrical operation shaft 74 that is rotatably inserted into the guide through hole 11 of the door body 1. The operation shaft 74 has a central portion at which a flat axial insertion groove opened at the tip end. 75 are formed.

Further, at the base end portion of the operation shaft 74, the left and right elastic wire rods fitted to the accommodation step portion 36 of the other-side seat 27 are provided.
A rectangular plate-shaped engagement body 77 having an engagement side 76 engaged with 38 is integrally fixed, and an outer side portion of the engagement body 77 is engaged with the cam engagement hole 70 of the second lock plate 67. A cam plate 79 having a cam 78 that eccentrically rotates is integrally fixed.

A disc 80 centering on the axis of the operating shaft 74 is integrally fixed to the outer side of the cam plate 79, and a knob 81 is integrally projected to the outer side of the disc 80. It is set up.

Then, a cam plate 79 having a cam 78 that is eccentrically rotated by the knob 81, an engaging member 77 that is engaged and held by the left and right elastic wire members 38, and a second member that is vertically moved by the cam 78. The lock plate 67 and the first lock plate 58 with which the second lock plate 67 is engaged and disengaged constitute a handle lock mechanism 82 that locks the rotation of the handle shaft 55 and releases this lock.

Next, a disc-shaped display seal 83 for indicating the locked state and the unlocked state of the handle shaft 55 is fixed to the annular projection 22 on the outer upper side of the seat 12 on the one side. The display seal 83 has an insertion hole that communicates with the guide recess 16 and the insertion hole 17 in the annular projection 22 at the center thereof.
84 is formed, and a blue display portion 85 and a red display portion 86 are formed opposite to each other on the outer surface centering on the insertion hole 84. In addition, a locking recess 87 in which a stopper 23 protruding from the annular projection 22 is fitted to the upper end of the display seal 83.
Are formed.

Also, an elongated connecting plate 88 is inserted from the insertion hole 84 of the display seal 83 into the insertion hole 17, and a locking protrusion having a diameter larger than that of the insertion hole 17 formed at the base end of the connection plate 88. The piece 89 is locked in the guide recess 16 and the locking plate 89 prevents the connecting plate 88 from coming off. Then, the elongated connecting plate 88 is inserted into the insertion groove 75 formed in the operation shaft 74 of the operation body 73.
It is adapted to be rotated in conjunction with the rotation of.

A display plate 90 is rotatably fitted to the annular projection 22 via the display seal 83. The display plate 90 has a disc-shaped plate body 91, and an annular projecting edge 92 rotatably fitted to the annular projecting strip 22 is integrally projected toward the inner side at the peripheral edge of the plate body 91. It is set up. In addition, a cylindrical engagement projection 94 having a fitting groove 93 into which the locking projection 89 of the connection plate 88 is fitted is integrally provided at the center of the inside of the plate body 91,
The engagement protrusion 94 is rotatably fitted in the guide recess 16.

Further, display windows 95 for displaying the blue display portion 85 and the red display portion 86 of the display sticker 83 are opened on both sides of the engaging protrusion 94. Then, by rotating the display plate 90 by the connecting plate 88, the blue display portion 85 and the red display portion 86 of the display seal 83 are alternately displayed in the display windows 95 on both sides of the plate body 91. The exposure is displayed. That is, the display windows 95 on both sides expose and display the locked state of the handle shaft 55 and the unlocked state in which the lock is released.

Next, the operation of the above embodiment will be described.

First, when assembling the seat 12 on one side, the insertion hole 84 of the display seal 83 of the seat 12 on the one side is inserted.
The elongated connecting plate 88 is inserted through the insertion hole 17 and the locking projection piece 89 at the base end of the connecting plate 88 is locked in the guide recess 16 to prevent the connecting plate 88 from coming off.
Further, the display plate 90 is rotatably fitted to the annular projection 22 via the display seal 83, and the connecting plate is fitted into the fitting groove 93 of the engaging projection 94 provided on the display plate 90. The locking projections 89 of 88 are fitted together, and the engagement projections 94 are fitted into the guide recesses 16 so as to be rotatable.

Further, by fitting the cover body 26 to the outer side portion of the receiving body 12 on one side, the plate body of the display plate 90 is inserted into the circular window hole 96 formed in the upper portion of the cover body 26. The outer part of 91 is exposed. And this window hole 96
The display windows 95 on both sides of the plate body 91 are exposed inside, and one of the blue display portion 85 and the red display portion 86 of the display sticker 83 is exposed and displayed on the display windows 95 on both sides.

Therefore, the seat 12 on one side is easily assembled, and the connecting plate 88 inserted into the insertion hole 17 on the seat 12 on one side is substantially parallel to the fitting projection 13 on the upper side. The fitting projection 13 is projected horizontally in the projection direction.

Next, when assembling the receiving body 27 on the other side, the first lock plate 58 is accommodated in the lower part of the accommodation recess 35 of the receiving body 27 on the other side, and the first lock plate 58 is accommodated. The fitting protrusion 63 of 58 is rotatably faced to the support protrusion 42, and the engaging protrusion 64 is rotatably faced to the arcuate guide surface 35a at the lower end of the accommodation recess 35, and both sides thereof are rotatably faced. The arcuate surface 62 of the portion is rotatably faced to the left and right arcuate guide surfaces 39a of the accommodation recess 35.

Further, the hinge piece 44 at the lower end of the accommodating recess 35 is bent, and the lid 45 integral with the hinge piece 44 is folded back to the outer opening at the lower part of the accommodating recess 35 to be polymerized, so that the lid 45 The left and right engaging piece portions 50 are respectively engaged in the left and right engaging concave portions 41 of the accommodating concave portion 35, and the left and right engaging protrusions 49 of the lid body 45 are engaged with the left and right supporting protrusions 39 of the accommodating concave portion 35. The engaging projections 51 of the lid 45 are fitted into the holes 40, respectively.
Is fitted into the engaging hole 43 of the support protrusion 42, and the lid 45
The outer opening of the lower part of the accommodation recess 35 that rotatably accommodates the lock plate 58 is closed.

Further, both ends of the elastic wire 38 in the vertical direction, which are arranged in parallel with the pair of upper and lower engaging grooves 37 formed in the upper housing step portion 36 in the housing recess 35, are fitted, respectively. The second lock plate 67 is accommodated in the upper part of the accommodation recess 35 and is located outside the left and right elastic wire members 38, and the left and right guide edges 69 of the second lock plate 67 are accommodated in the left and right guide edges of the accommodation recess 35. The engaging recess 71 at the lower end is engaged with the portion 35b so as to be movable up and down, and the engaging protrusion 63 of the first lock plate 58 is provided.
And the fitting groove 72 is made to face the support protrusion 42.

Further, the operation shaft 74 of the operation body 73 is inserted from the cam engagement hole 70 of the second lock plate 67 into the shaft insertion hole 30 of the receiving body 27 on the other side, and is operated by this shaft insertion hole 30. Operation axis of body 73
74 is rotatably supported, the engaging sides 76 of both sides of the engaging body 77 of the operating shaft 74 are engaged with the left and right elastic wire 38, and the cam plate 79 on the outside of the engaging body 77. The cam 78 is engaged with the cam engagement hole 70 of the second lock plate 67.

When the cam plate 79 which is eccentrically rotated by the knob 81 is projected above the axis of the operation shaft 74,
The second lock plate 67 is separated above the first lock plate 58 by the cam 78 of the cam plate 79.
Is projected below the axis of the operation shaft 74, the second lock plate 67 is lowered by the cam 78 of the cam plate 79 so that the second lock plate 67 is fitted on the upper part of the first lock plate 58. Has become.

Further, by fitting the cover body 52 from the outside of the lid body 45 and the operation body 73 to the receiving body 27 on the other side, an upper guide hole formed in the upper portion of the cover body 52.
The opening edge portion of 53 is brought into contact with the outside of the disk 80 of the operating body 73, and the rotatable operating body 73 is supported by the opening edge portion of the guide hole 53 in the upper portion while being prevented from coming off. A knob 81 of the operating body 73 is projected from the hole 53, and a lower guide hole 54 formed in a lower portion of the cover body 52 has a shaft insertion hole 48 of the lid body 45.
And the shaft receiving hole 33 of the receiving body 27 on the other side.

Therefore, the receiving body 27 on the other side is easily assembled, and the operating shaft 74 of the operating body 73 inserted into the shaft insertion hole 30 of the receiving body 27 on the other side is replaced with the fitting shaft 28 on the upper side. The fitting shaft 28 is projected substantially parallel to the fitting shaft 28.

Next, when the one-side receiving body 12 and the other-side receiving body 27 are attached to the door body 1, from one side surface in the thickness direction of the door body 1 to the upper part of the door body 1. The upper fitting projection 13 that is projected from the seat 12 on one side in the mounting hole 10 of
To the right and left mounting holes 9 at the bottom of the door body 1
The left and right fitting protrusions 18 projecting from the lower portion 12 are press-fitted toward the other side surface of the door body 1 in the thickness direction, so that the receiving body 12 on the one side is projected. Plate 88
While being inserted into the guide through hole 11 of the door body 1, the seat body 12 on one side is easily attached to one side surface in the thickness direction of the door body 1 with one inner surface thereof in contact with the inner side surface thereof.

At this time, each fitting projection 1 of the seat 12 on one side
Since 3 and 18 have ridges 15 and 20 in the axial direction, this ridge 1
5 and 20, the fitting projections 13 and 18 are securely fitted and supported in a state of being press-fitted into the mounting holes 9 and 10, and therefore, one side surface in the thickness direction of the door body 1 is provided with one side. The seat 12 can be securely attached without rattling.

When the left and right fitting projections 18 on the lower side of the receiving body 12 on one side are press-fitted into the left and right mounting holes 9 on the lower side of the door body 1, the receiving body 12 on the one side is pressed. The left and right fitting protrusions 18 penetrate through the left and right insertion holes 6a of the lock body 6 housed in the lock housing hole 3 of the door body 1 and enter toward the other side surface of the door body 1. In this case, the left and right fitting projections 18 of the one-side seat body 12 avoid the locking mechanism (not shown) of the latch 7 built in the lock body 6 and penetrate the left and right insertion holes 6a. There is.

Next, from the other side surface in the thickness direction of the door body 1, the upper side of the seat body 27 on the other side is fitted into the shaft insertion hole 14 of the fitting projection 13 on the upper side of the seat body 12 on one side. Align shaft 28 with seat 12 on one side.
The left and right fitting shafts 31 on the lower side of the receiving body 27 on the other side are press-fitted into the shaft insertion holes 19 of the left and right fitting projections 18 on the one side surface in the thickness direction of the door body 1, respectively. As a result, the operating shaft 74 projecting from the other seat 27 is rotatably inserted into the guide through hole 11 of the door body 1, and the operating shaft 74
Door body 1 while connecting plate 88 is inserted into insertion groove 75 of
The receiving body 27 on the other side can be easily attached to the other side surface in the thickness direction with one touch with its inner side surface in contact.

At this time, the fitting shafts 28 of the receiving body 27 on the other side,
Since 31 has ridges 29 and 32 in the axial direction, these ridges 29 and
At 32, the fitting shafts 28 and 31 are securely fitted and supported in a state of being press-fitted into the shaft insertion holes 14 and 19, and therefore, the other side seat is provided on the other side surface in the thickness direction of the door body 1. The body 27 is securely attached without rattling.

Since the insertion groove 75 of the operating shaft 74 is formed in a flat shape and the elongated connecting plate 88 is inserted into the inserting groove 75, the connecting plate 88 is rotated on the operating shaft 74. Direction, the display plate 90 is reliably rotated by interlocking with the rotation direction of the operation shaft 74 by the connection plate 88 by rotating the operation shaft 74. Become so.

Next, the thickness of the door body 1 from the shaft insertion holes 21 and 25 of the seat body 12 on one side attached to one side surface in the thickness direction of the door body 1 through the shaft insertion hole 6b of the lock body 6. The handle shaft 55 is rotatably inserted into the shaft insertion holes 33 and 48 of the other side receiving body 27 attached to the other side surface in the vertical direction, and the handle is attached to the connecting shaft portion formed on the handle shaft 55. First through the shaft 55
The first lock plate 58 is fixed by the opposed locking projections 61 protruding from the mounting holes 60 of the lock plate 58.

Further, the operating shaft of the locking mechanism built in the lock body 6 is connected to the connecting shaft portion formed on the handle shaft 55, and the latch 7 is attached to the end face 2 of the door body 1 by the locking mechanism. It is urged so as to always protrude from the guide port 4 of the fixed decorative plate 5. Then, when the handle shaft 55 is rotated, the first lock plate 58 is rotated by the connecting shaft portion thereof, and at the same time, the operation portion of the lock mechanism in the lock body 6 is operated, and the lock mechanism By the operation, the latch 7 is retracted from the guide opening 4 of the decorative plate 5 of the door-contact end face 2 of the door body 1, and the holding of the closed state of the door body 1 is released.

Next, when the door body 1 is normally opened and closed,
Since the handle lock mechanism 82 is not operated, the operating body 73 is held in a state where both the engaging sides 76 of the engaging body 77 of the operating body 73 are sandwiched by the left and right elastic wire members 38, and the cam plate 79 of the operating body 73 is held. Is held in a state of protruding on the axis of the operation shaft 74, and the second lock plate 67 is lifted by the cam 78 of the cam plate 79 via the cam engagement hole 70.
The fitting recess 71 at the lower end of the first locking plate 58 is in a state of being disengaged from the fitting protrusion 63 of the first lock plate 58.

Then, the door body 1 is closed and rotated so that the door-contact end face 2 of the door body 1 is brought into contact with the frame body, whereby the latch 7
Is projected from the guide opening 4 of the decorative plate 5 on the end face 2 of the door stop, and the door body 1 is held in the closed state.

When the door shaft 1 is opened and rotated, when the handle shaft 55 is rotated by the handle 57, the first lock plate 58 is rotated by the connecting shaft portion of the handle shaft 55. While being operated, the operating portion of the lock mechanism in the lock body 6 is operated, and the lock mechanism is operated, and the latch 7 thereof is retracted from the guide port 4 of the decorative plate 5 of the door contact end face 2 of the door body 1. To be done.

The engaging surface 65 on one side of the engaging projection 64 of the first lock plate 58 abuts on the stopper 39b of the one supporting projection 39 of the receiving body 27 on the other side, whereby the handle shaft 55 Is blocked, the latch 7 is retracted into the guide opening 4 of the decorative plate 5 of the door-contact end face 2 of the door body 1, and the holding of the closed state of the door body 1 is released. Then, by pulling the handle 57, the door body 1 is opened and rotated.

Next, when the door body 1 is held closed by the latch 7 and the door body 1 is locked so as not to open and rotate, the knob 81 of the operation body 73 is rotated. Then, the engaging body 77 integrated with the knob body 81 is rotated against the left and right elastic wire members 38, and the cam plate 79 integral with the engaging body 77 is projected from the axial line of the operation shaft 74. It is eccentrically rotated downward.

Then, the second lock plate 67 is guided by the cam 78 of the cam plate 79 through the cam engaging hole 70 to the left and right guide edge portions 35b of the accommodating concave portion 35, and is lowered, so that the knob 81 and When the cam plate 79 is eccentrically rotated by an angle of about 90 degrees, the fitting recess 71 at the lower end portion of the second lock plate 67 is fitted to the fitting projection portion of the first lock plate 58 by the cam 78. 63 is fitted from above and the second lock plate 67
The support protrusion 42 protruding into the accommodation recess 35 is fitted in the fitting groove 72 at the lower end of the.

Also, the fitting protrusion of the first lock plate 58
The fitting concave portion 71 of the second lock plate 67 is fitted into 63, and the left and right portions of the engaging body 77 rotated by an angle of approximately 90 degrees are sandwiched by the left and right elastic wire members 38, and the engaging body 77 is held. Is prevented from rotating, the rotation of the cam plate 79 is prevented, and the second lock plate 67 is held in a state of being fitted to the first lock plate 58. The second lock plate 67 holds the first lock plate 67. The rotation of the handle shaft 55 is prevented via the plate 58.

Therefore, since the handle shaft 55 is prevented from rotating by the handle lock mechanism 82, the handle 57
Is locked so that it cannot be rotated, the operating portion of the locking mechanism in the lock body 6 is not operated, and the latch 7 is locked by the door body 1.
The door body 1 is held in a state of being projected from the guide opening 4 of the decorative plate 5 of the end face 2, and the door body 1 is held in a state of not being opened and rotated.

By rotating the knob 81 of the operation body 73, the engagement body 77 and the cam body 79 are rotated, and the operation shaft 74 integrated with them is simultaneously rotated. The connecting plate 88 is rotated by the operation shaft 74, and the locking plate 89 of the connecting plate 88 rotates the display plate 90. Then, by rotating the display plate 90 at an angle of approximately 90 degrees, the plate body of the display plate 90 is
The display windows 95 on both sides of 91 are moved from the blue display portion 85 of the display sticker 83 to the red display portion 86, and the red display portions 86 are displayed on the display windows 95 and the window holes 96 on both sides of the plate body 91. .

Therefore, the handle lock mechanism 82 prevents the handle shaft 55 from rotating, and the door body 1 is locked in a state where it does not open and rotate. This is clearly indicated by the red display portions 86 displayed in the display windows 95 and the window holes 96 on both sides. Then, it is possible to prevent the door body 1 from being forcibly opened and rotated even though the door body 1 is locked.

Next, when unlocking the closed state of the door body 1, the knob 81 of the operating body 73 is moved to the handle shaft 55.
The engaging member 77 is rotated in the opposite direction against the left and right elastic wire members 38 by rotating the engaging member 77 in the opposite direction to the direction in which the rotation of the cam plate 79 is blocked in the opposite direction. Is rotated to.

Then, the cam plate 79 is eccentrically rotated upward at an angle of approximately 90 degrees, so that the second lock plate 67 is lifted by the cam 78 through the cam engagement hole 70. The fitting recess 71 at the lower end of the second lock plate 67 is fitted to the fitting protrusion 63 at the upper end of the first lock plate 58.
, And the state in which the rotation of the first lock plate 58 is blocked is released.

By rotating the knob 81 of the operating body 73 in the direction opposite to the direction in which the rotation of the handle shaft 55 is blocked, the operating shaft 74 is similarly rotated in the opposite direction. The display plate 90 is similarly rotated in the opposite direction on the operation shaft 74 via the connecting plate 88.

When the display plate 90 is returned and rotated to an angle of about 90 degrees, the display windows 95 on both sides of the plate body 91 of the display plate 90 are displayed in blue from the red display portion 86 of the display sticker 83. It was moved to part 85, and this blue display part 85
Are displayed in the display windows 95 and the window holes 96 on both sides of the plate body 91.

Accordingly, the rotation prevention of the handle shaft 55 is released by the handle lock mechanism 82, and the locked state of the door body 1 is released, and at the same time, the released state of the door body 1 is released from the plate body. This is clearly indicated by the blue display portions 85 displayed in the display windows 95 and the window holes 96 on both sides of 91. Then, the door body 1 is opened and closed in a normal state.

In the above-described embodiment, the plurality of fitting projections 13 and 18 having the shaft insertion holes 14 and 19 are provided on the seat body 12 on the one side, respectively. 18 shaft insertion holes 14,
The case where the plurality of fitting shafts 28 and 31 to be press-fitted into 19 are provided to project from the seat body 27 on the other side has been described. 13 and 18 project from the seat 27 on the other side, and a plurality of fitting shafts 28 and 31 are provided.
May be provided so as to project from the seat 12 on one side.

[0078]

According to the first aspect of the present invention, the seat body on one side that abuts on one side surface in the thickness direction of the door body having the plurality of mounting holes and the other side surface in the thickness direction of the door body. And a receiving body on the other side that is in contact with the receiving body on the other side, wherein one of the receiving body on the one side and the receiving body on the other side is provided so as to project toward the other receiving body. A plurality of fitting projections each fitted in a plurality of mounting holes of the door body and having a shaft insertion hole, and a plurality of fitting projections of the one receiving body facing the other receiving body. Since it has a plurality of fitting shafts that are projected and fitted into the shaft insertion holes of the plurality of fitting projections, respectively, a plurality of fitting projections having the shaft insertion holes of one of the seats are installed in the door body. By fitting the plurality of fitting holes into the plurality of mounting holes, and by fitting the plurality of fitting shafts of the other receiving body into the shaft insertion holes of the plurality of fitting projections of the one receiving body. , It can be attached to both seat body easily and reliably on both sides of the door body.

Further, since both seats can be easily attached to both side surfaces of the door by simply fitting the seats with the doors sandwiched between them, on-site work is easy and both seats can be easily attached. There is no need to use multiple screws, the screw heads of multiple screws are not exposed to the outer surface of the seat after mounting both seats, and the structure is simple. be able to.

According to the second aspect of the present invention, the plurality of fitting projections have a plurality of axial projections on the outer side thereof which project into the inner wall surfaces of the plurality of mounting holes of the door body so as to be press-fittable. Therefore, the fitting protrusion having the plurality of protrusions can be crimped to the plurality of mounting holes of the door body to reliably hold one of the receiving bodies on one side surface of the door body.

According to the third aspect of the present invention, the plurality of fitting shafts are provided with a plurality of axial projections on the outer side thereof, which project into the inner wall surfaces of the shaft insertion holes of the plurality of fitting projections so as to be press-fittable. Therefore, the fitting shaft having the plurality of protrusions can be crimped to the plurality of shaft insertion holes of the one seat body to securely hold the other seat body on the other side surface of the door body.

According to the fourth aspect of the present invention, the seat body on the one side and the seat body on the other side are made of synthetic resin, and the handle shaft for inserting and retracting the latch is inserted into the door contact end surface of the door body. Since each of the insertion holes has an insertion hole, the one-side seat and the other-side seat can be easily formed of synthetic resin, and the weight can be reduced as compared with metal, and both side parts can be formed. The handle shaft can be easily attached between the shaft insertion holes, and abnormal noise can be prevented from being generated when the handle shaft is rotated.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a seat lock attachment device for a door lock showing an embodiment of the present invention.

FIG. 2 is a perspective view showing a seat mounting portion of the door body.

FIG. 3 is an outer side view of the seat on one side of the same.

FIG. 4 is an inner side view of the seat on one side of the same.

FIG. 5 is an outer side view of the other side seat body.

[Fig. 6] Fig. 6 is an inner side view of the other side seat body.

FIG. 7 is a side view of the seat on the other side of the same.

FIG. 8 is a sectional view of the same.

FIG. 9 is a cross-sectional view of a seat on one side on which the display plate is set.

FIG. 10 is a cross-sectional view of the other side seat body in which the handle lock mechanism is set.

FIG. 11 is a side view of one side of the door body with the seat body set therein.

FIG. 12 is a side view of the other side of the door body with the seat body set therein.

FIG. 13 is a vertical cross-sectional view of the door-contact end face portion of the door body.

[Explanation of symbols]

 1 Door body 9, 10 Mounting hole 12 Receiving body on one side 13 Fitting protrusion 14 Shaft insertion hole 15 Protrusion 18 Fitting protrusion 19 Shaft insertion hole 20 Protrusion 21 Shaft insertion hole 27 Receiving body on the other side 28 Fitting shaft 29 Protrusions 31 Fitting shaft 32 Protrusions 33 Shaft insertion hole 55 Handle shaft

Claims (4)

[Claims] 1. A seat body on one side that abuts on one side surface in the thickness direction of a door body having a plurality of mounting holes, and a seat body on the other side that abuts another side surface in the thickness direction of the door body. And one of the receiving body on the one side and the receiving body on the other side projecting toward the other receiving body, respectively to the plurality of mounting holes of the door body. A plurality of fitting projections that are fitted together and have a shaft insertion hole; and a plurality of the fitting projections that are provided on the other receiving body so as to face the plurality of fitting projections of the one receiving body. A seat lock attachment device for a door lock, comprising: a plurality of fitting shafts respectively fitted into shaft insertion holes of a body. 2. The plurality of fitting projections have a plurality of axial projections on the outer side thereof which project into the inner wall surfaces of the plurality of mounting holes of the door body so as to be press-fittable. 1
Seat lock attachment device for the door lock described. 3. The plurality of fitting shafts have a plurality of axial protrusions on the outer side thereof, which project into the inner wall surfaces of the shaft insertion holes of the plurality of fitting protrusions so as to be press-fittable. The seat mounting device for a door lock according to claim 1 or 2. 4. The receiving body on one side and the receiving body on the other side,
2. The seat mounting device for a door lock according to claim 1, further comprising shaft insertion holes, which are made of synthetic resin, and through which handle shafts for retracting and latching the latch are respectively inserted in an end face of a door body.