JP2000104424A - Latch receiver - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a latch receiver which has simple constitution and can be manufactured at low cost, be prisely, simply and quickly adjusted by fingers without a tool such as a screw driver, kept the adjusted state for a long period of time, and can be improved in appearance when it is installed in a frame by heightening the strength for screwing of a small screw, and making constant the fitting dimensions to the frame. SOLUTION: This latch receiver includes a grout box 6 fitted to the frame 1, an adjusting means 14, a part of which is exposed to the outside to be stored in the grout box 6 and can be displaced from the outside, a receiving box 15 which is engaged with the adjusting means 14 and moved in the direction of thickness of a door 26 capable of receiving a latch 25 inside, and a bearing seat 20 disposed on an opening side of the receiving box 15 and provided with an opening window 21 where the latch 25 is inserted and extracted. A guide shaft 13 is constructed in the direction of thickness of the door 26 in the grout box 6, and the adjusting means 14 is installed movably along the guide shaft 13. The adjusting means 14 is installed rotatably around the guide shaft 13.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention can be manufactured at a low cost with a simple structure, can be adjusted precisely, simply and quickly by hand without requiring tools such as a screwdriver, and can maintain the adjustment state for a long period of time. Strengthen the strength against screwing, and stabilize the mounting dimensions to the frame,
The present invention relates to a latch receiver that improves appearance when attached to a frame.

[0002]

2. Description of the Related Art Generally, a latch receiver includes a seat for guiding a latch, a toro box buried in a frame, and a receiving box movably housed in the toro box and accommodating the tip of the latch therein. The position of the receiving box is adjusted via an appropriate tool when assembling to the frame, so that rattling of the latch and vibration noise of the door when the door is closed are prevented.

For example, in Japanese Utility Model Laid-Open No. 4-100772, a box-shaped base member is attached to a frame, a rack is formed at the bottom of the inner surface of the member, and an adjusting gear, the gear and the gear are provided at the bottom of the member. A rack and a movable plate that can be engaged with the rack are housed, a box-shaped slide member that receives a latch is movably housed at the top of the plate, and the adjustment gear is rotatably housed at the bottom of the slide member, And a cover plate is attached to the front part of the slide member, and the adjustment gear is turned with a screwdriver from outside the cover plate,
The slide member is moved in the thickness direction of the door via the moving plate and the rack so as to eliminate a gap between the latch and the slide member when the door is closed.

However, this conventional latch receiver requires a tool such as a screwdriver to adjust the position of the slide member, and a structure that makes full use of a gear mechanism and a cam mechanism is generally difficult to make fine adjustments and lacks precision. There were problems such as a large number of parts, a complicated configuration, and high cost.

[0005]

SUMMARY OF THE INVENTION The present invention solves such a problem, can be manufactured at a low cost with a simple structure, and can be precisely, simply and quickly adjusted by hand without the need of a tool such as a screwdriver. It is an object of the present invention to provide a latch receiver that can maintain a state for a long period of time, enhance the strength against screwing of screws, stabilize mounting dimensions to a frame body, and improve appearance when mounted on the frame body. And

[0006]

According to the first aspect of the present invention, there is provided a toro box to be mounted on a frame, a part of the toro box which is exposed to the outside and accommodated in the toro box, and which is displaceable from the outside. A receiving box which engages with the means and moves in the thickness direction of the door and can receive the latch therein; and a receiving seat disposed on the opening side of the receiving box and having an opening window through which the latch can be inserted and removed. In the latch receiver, a guide shaft is erected in the toro box in the thickness direction of the door, and the adjusting means is movably mounted along the guide shaft, and the adjusting means is rotated around the guide shaft. The number of parts is reduced compared with the conventional one that uses a gear mechanism and a cam mechanism, and the device can be manufactured with a simple configuration at a low cost.

According to a second aspect of the present invention, the adjusting means is rotatable by a finger, and the adjusting means can be easily displaced by a finger as compared with a conventional apparatus which requires a tool such as a screwdriver to displace the adjusting means. Fine adjustment is possible compared to the conventional one that makes full use of a mechanism and a cam mechanism, and the adjustment can be made precisely, simply and quickly. The invention according to claim 3 is such that a screw shaft is installed in the toro box in the thickness direction of the door, an adjustment dial is rotatably screwed to the shaft, the dial is engaged with the receiving box, and the dial is engaged. Of the receiving box is projected toward the opening window side, the adjustment dial is rotatable with fingers, and the adjustment dial is pushed and turned from the outside so that the position of the receiving box engaged with the adjustment dial can be adjusted easily and precisely. I have to.

According to a fourth aspect of the present invention, a guide shaft is erected in a thickness direction of a door in a toro box, and an adjusting screw having a screw portion and an adjusting dial is rotatably mounted on the shaft. A plurality of protrusions are provided along the guide shaft, the screw portion is screwably or meshably disposed on the protrusions, the adjustment dial is engaged with the receiving box, and the end of the dial is By projecting to the opening window side, the adjustment dial is made rotatable with fingers, and the adjustment dial is pushed and turned from the outside, so that the position adjustment of the receiving box engaged with the adjustment dial can be performed simply, precisely and stably, and the latch is provided. This prevents the receiving box from moving due to abutment, etc., so that the adjustment state can be maintained for a long time. According to a fifth aspect of the invention, a bead-shaped reinforcing groove engageable with the mounting groove of the frame is formed in the side plate of the toro box, and when the toro box is screwed to the frame, the strength against screwing of the screw is used. To prevent deformation and to make the dimensions of attachment to the frame constant so as to improve the appearance at the time of attachment to the frame.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. In FIGS.
A shallow rectangular concave groove 2 is formed at the predetermined position, a deep stepped mounting groove 3 is formed in the concave groove 2, and a lower groove 4 is formed at the bottom of the groove 3.

A toro box 6 constituting the latch receiver 5 is accommodated in the mounting groove 3, and screws 9 are inserted into screw holes 8 of the side plates 7 on both sides thereof, and are screwed into the frame 1. A recess 10 is formed at the bottom of the toro box 6 so as to protrude downward along a thickness direction of a door, which will be described later, and is housed in the lower groove 4.

A through hole 12 is formed in the side walls 11 and 11 of the toro box 6 opposite to each other. A screw shaft 13 is rotatably supported as a guide shaft in the through hole 12, and both ends thereof are caulked to prevent slipping. Have been.

An adjusting dial 14 is rotatably screwed to the screw shaft 13 as adjusting means. The lower half of the adjusting dial 14 is housed in the concave portion 10, and the upper portion protrudes from the bottom of the receiving box 15.

The receiving box 15 is accommodated in the toro box 6 so as to be movable in the thickness direction of a door, which will be described later, and the bottom thereof is disposed immediately above the screw shaft 13. Inbox 1
5 are provided with flange-like side pieces 16 and 17 at the opening edge,
A rectangular projection 18 protrudes from the center of the wide side piece 16. A through hole 19 is formed at the bottom of the receiving box 15, and the upper portion of the adjustment dial 14 is inserted into the through hole 19 so as to be engageable.

In addition, reference numeral 20 in the figure denotes a rectangular plate-shaped seat, in which a substantially rectangular opening window 21 is formed at the center thereof, and a notch engageable with the projection 18 is formed at the center of one side of the opening edge of the window 21. Groove 22
Are formed. 23 is a screw hole provided in the receiving seat 20,
A cylindrical burring portion 23a that can be inserted into the screw hole 8 is formed in the edge portion on the back surface side.
7 can be connected by caulking.

Reference numeral 24 denotes a bent portion formed at the side end of the receiving seat 20, reference numeral 25 denotes a latch provided at the side end of the door 26 so as to be able to protrude and retract, and reference numeral 27 denotes a substantially U-shaped via formed on the side plates 7, 7. A reinforcing groove in the form of a groove, which is arranged to be able to engage with the upper step of the mounting groove 3. As described above, the side plates 7, 7 and the seat 20
Is appropriately caulked by a device, and the caulking thickness t is shown in FIG.
As described above, the screw holes 23 and 8 are formed to have the same thickness or more than the thickness of the screw holes 23 and 8 so as to make the dimensions of the portions constant.

In the thus configured latch receiver, the components are assembled, and these components are caulked and integrally connected. That is, as shown in FIG. 3, the adjustment dial 14 is screwed into the screw shaft 13, the shaft 13 is inserted between the through holes 12, 12 of the toro box 6, the lower half of the adjustment dial 14 is housed in the recess 10, 13 are caulked at both ends to prevent the side walls 11 from coming off.

Next, the receiving box 15 is accommodated immediately above the screw shaft 13 of the toro box 6, and the upper portion of the adjusting dial 14 is inserted into the through hole 19 at the bottom of the box 15. Thereafter, the receiving seat 20 is placed on the side plates 16 and 17 of the receiving box 15, the burring portion 23a on the back surface thereof is inserted into the screw hole 8, and while maintaining the assembled state, an appropriate caulking device is used. Then, the side plates 7, 7 and the seat 20 are caulked and connected.

This situation is shown in FIG. 4, where the side plate 7 and the seat 2
The crimping thickness t of 0 is equal to or greater than the screw holes 23 and 8 and the bottom of the reinforcing groove 27 protrudes from the back surface.

After the caulking, as shown in the drawing, a receiving box 15 is located immediately above the screw shaft 13 in the toro box 6.
The upper half of the adjusting dial 14 is engaged with the through hole 19 at the bottom of the receiving box 15, the upper end of the adjusting dial 14 projects from the bottom of the receiving box 15 to be exposed to the opening window 21, and the lower half of the adjusting dial 14. The part is located in the recess 10.

Thus, the swaged latch receiver 5
Since each component is assembled integrally, it is easy to store and transport, and it is possible to prevent each component from being lost. When attaching such a latch receiver 5 to the frame 1, the frame 1
A groove 2 and a stepped mounting groove 3 are formed at predetermined positions, and after the latch receiver 5 is accommodated therein, a screw 9 is inserted into a screw hole 23,
8 and screw it into the frame 1 to fix it.

In this case, since the bottom of the reinforcing groove 27 is engaged with the upper step of the mounting groove 3 and the thickness t of the flange is formed to be constant, the surface of the receiving seat 20 and the frame 1 are separated. Located on the same level, a good appearance is obtained after mounting on the frame 1. Further, since the side plates 7, 7 of the toro box 6 are reinforced by the reinforcing grooves 27, deformation of the side plates 7, 7 and the receiving seat 20 due to screwing of the screws 9 is prevented, and a good appearance after being attached to the frame 1 is achieved. Is obtained. This situation is as shown in FIGS.

When the position of the latch receiver 5 is adjusted after mounting, the door 26 is closed, the latch 25 is engaged with the opening window 21, and the gap e between the back of the latch 25 and the inner surface of the receiving box 15 is set. Check for presence. This confirmation is made by holding a door knob (not shown), pushing and pulling the door 26 inward and outward at the closed position, and determining whether there is abnormal noise at that time.

That is, if there is a gap e between the back of the latch 25 and the inner surface of the receiving box 15 as shown in FIG.
By the operation of No. 6, the back of the latch 25 is engaged with the inner surface of the receiving box 15 to generate an abutment sound, and when there is no gap e, the abutment sound is not generated.

In order to adjust the latch receiver 5 which needs the adjustment which generated the contact sound, the door 26 is once opened, the opening window 21 is opened, and a finger (not shown) is opened from the opening window 21.
And press the upper end of the adjustment dial 14 around.

By doing so, the adjustment dial 14 moves along the screw shaft 13 by the amount of the adjustment rotation,
The adjustment dial 14 and the receiving box 15 under engagement are moved together with this.

When the receiving box 15 has been moved by a predetermined amount, the adjusting dial 14 is temporarily released, and the opening window 21 is opened.
To release. Then, the door 26 is closed as described above,
The latch 25 is engaged with the opening window 21 and the presence or absence of the gap e between the back of the latch 25 and the inner surface of the receiving box 15 is checked in the same manner as described above. When the contact sound has disappeared, the adjustment is terminated.

FIG. 5 shows the situation after the adjustment is completed.
The inner surface of the door 5 is in close contact with the back of the latch 25, and the gap e disappears, thereby preventing the door 26 from rattling or vibrating.

As described above, the present invention can be easily adjusted by hand without the need for a tool such as a screwdriver as in the prior art, and can be finely adjusted as compared with a conventional gear or cam. Fine adjustment is possible accordingly.

FIGS. 6 and 7 show another embodiment of the present invention, and the same reference numerals are used for parts corresponding to the above-described structure. In this embodiment, instead of the screw shaft 13, a support shaft 28 serving as a guide shaft is attached to the side walls 11, 1.
An adjustment screw 29 is rotatably supported on the shaft 28.

The adjusting screw 29 is provided on the adjusting dial 14.
And a worm-shaped screw portion 30 having a coarsely arranged thread pitch, integrally formed or integrally connected to each other. It is engaged with the projection 31.

When adjusting the position of the latch receiver 5,
As described above, the adjustment dial 14 is pushed and turned with the finger, and the screw portion 30 is moved together with the finger to move the adjustment screw 29 along the protrusion 31 to move the latch box 15 engaged with the adjustment dial 14. .

At this time, the adjusting screw 29 is
The screw portion 30 and the projection 3
Since the screwing or meshing length with 1 is ensured to be large, the moving posture of the adjustment dial 14 or the receiving box 15 is stabilized. Therefore, after the adjustment, the latch 25 is mistakenly
Even if it abuts on the receiving member 5, the receiving box 15 withstands this abutting force, prevents its movement, and maintains the adjustment state. In this case, the projection 31
By forming the pitch of the screw portion 30 and the pitch of the screw portion 30 roughly, the adjusting screw 29 can be quickly moved large, and the adjusting efficiency is improved.

[0033]

According to the first aspect of the present invention, a guide shaft is erected in a thickness direction of a door in a toro box, and the adjusting means is movably mounted along the guide shaft and guides the adjusting means. Since it is mounted so as to be rotatable around the shaft, the number of parts is reduced as compared with a conventional device that makes full use of a gear mechanism and a cam mechanism, and this can be manufactured at a low cost with a simple configuration. According to the second aspect of the present invention, since the adjusting means is rotatable by a finger, the adjusting means can be easily and quickly displaced as compared with a conventional apparatus which requires a tool such as a screwdriver to displace the adjusting means. Fine adjustment is possible compared to the conventional one that makes full use of the cam mechanism, and the adjustment can be made more precisely.

According to a third aspect of the present invention, a screw shaft is installed in the toro box in the thickness direction of the door, an adjusting dial is rotatably screwed to the shaft, and the dial is engaged with the receiving box. Since the end of the dial protrudes toward the opening window and the adjustment dial is rotatable with fingers, the adjustment of the receiving box engaged with the adjustment dial can be easily and easily performed by pushing the adjustment dial from outside. Can be performed precisely.

According to a fourth aspect of the present invention, a guide shaft is erected in a thickness direction of a door in a toro box, and an adjusting screw having a screw portion and an adjusting dial is rotatably mounted on the shaft. A plurality of protrusions are provided along the guide shaft, the screw portion is screwably or meshably disposed on the protrusions, the adjustment dial is engaged with the receiving box, and the end of the dial is Since it protrudes to the opening window side and makes the adjustment dial rotatable by finger, by pushing and turning the adjustment dial from the outside, the position adjustment of the receiving box engaged with the adjustment dial can be performed simply, precisely and stably. This prevents the receiving box from moving due to contact with the latch or the like, and has the effect of maintaining the adjustment state for a long time.

According to the fifth aspect of the present invention, since the bead-shaped reinforcing groove which can be engaged with the mounting groove of the frame is formed in the side plate of the toro box, when the toro box is screwed to the frame, a screw is used. In addition to enhancing the strength against screwing, preventing deformation, and fixing the dimensions of attachment to the frame, the appearance when attaching to the frame can be improved.

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of the present invention, showing a state after being attached to a frame.

FIG. 2 is a cross-sectional view taken along the line AA of FIG. 1, showing a state before the position adjustment of the receiving box.

FIG. 3 is an exploded perspective view showing a main part of the embodiment of the present invention.

FIG. 4 is a cross-sectional view showing a main portion of a caulking situation of a seat and a toro box applied to the present invention.

FIG. 5 is a cross-sectional view showing a state when adjusting the position of the receiving box according to the present invention.

FIG. 6 is a cross-sectional view showing another embodiment of the present invention, showing a state before adjusting the position of a receiving box.

FIG. 7 is a perspective view showing an adjusting screw applied to the other embodiment.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Frame 5 Latch receiver 6 Toro box 7 Side plate 13 Guide shaft (screw shaft) 14 Adjusting means (adjustment dial) 15 Receiving box 20 Receiving seat 21 Opening window 25 Latch 26 Door 27 Reinforcement groove 28 Guide shaft (support shaft) 29 Adjustment Screw 30 screw part

Claims (5)

[Claims] 1. A toro box to be attached to a frame body, an adjusting means which is partially exposed to the outside and is accommodated in the toro box, and which can be displaced from outside, and a thickness direction of a door which engages with the adjusting means. And a receiving box having an opening window through which the latch can be received, and an opening window through which the latch can be inserted and removed. A latch mounted on the door in a thickness direction of the door, the adjusting means being movably mounted along the guide shaft, and the adjusting means being rotatably mounted around the guide shaft. . 2. The latch receiver according to claim 1, wherein said adjusting means is rotatable by a finger. 3. A screw shaft is installed in the thickness direction of the door in the toro box, an adjusting dial is rotatably screwed to the shaft, the dial is engaged with the receiving box, and the dial is engaged with the receiving box. Projecting an end toward the opening window,
2. The latch receiver according to claim 1, wherein said adjustment dial is rotatable by a finger. 4. A guide shaft is installed in the thickness direction of the door in the toro box, and an adjusting screw having a screw portion and an adjusting dial is rotatably mounted on the shaft, and the guide shaft is mounted on the toro box. A plurality of projections are provided along, and the screw portion is screwably or meshably disposed on the projections, and the adjustment dial is engaged with the receiving box,
2. The latch receiver according to claim 1, wherein an end of the dial protrudes toward the opening window, and the adjustment dial is rotatable by a finger. 5. The latch receiver according to claim 1, wherein a bead-shaped reinforcing groove engageable with the mounting groove of the frame is formed in the side plate of the toro box.