JP2019173533A - Adapter for doorknob conversion and lever handle unit using the same - Google Patents

Abstract

To allow an easy conversion of the gripping ball type to a lever handle type in a doorknob system.SOLUTION: With an adaptor for door knob conversion being interposed between the door lock body 1 and the lever handle unit 11, the adapter being provided with a drive unit which includes a first concave portion 10a for rotating a rotating portion 1a of a door lock body 1 for opening and closing a lock and a spindle 10b on the front surface and a passive portion for receiving a drive pin 11a of a lever handle unit 11 on the rear surface, a doorknob system can be easily converted from the gripping ball type to a lever handle type only by replacing the adaptor for door knob conversion.SELECTED DRAWING: Figure 1

Description

  TECHNICAL FIELD The present invention relates to a door knob used for a door such as a partition of a room, and relates to a door knob conversion adapter used when changing a handle-type door knob to a lever type and a lever handle unit using the same. It is.

  A partition is used to secure a visitor space and a meeting space in an office, etc., and to distinguish it from an office, and a handle ball type door knob is generally used for these doors.

  The conventional configuration of this handle ball type door knob will be described. Reference numeral 1 denotes a door lock body, which is attached to a door (not shown). 1a is a slit of the rotation part for opening and closing the lock body. Reference numeral 2 denotes a first grip ball body mounted on the front side of the door, and reference numeral 2a denotes a spindle portion that protrudes from the grip ball body 2 and is inserted through the slit 1a. 2c is a support | pillar part provided so that it might protrude from the 1st grip ball main body 2. As shown in FIG.

Reference numeral 3 denotes a second grip ball main body mounted on the back side of the door, and is provided with a hole portion 3a into which the spindle portion 2a is inserted through the slit 1a.
Reference numeral 4 denotes a grip ball mounting plate, which is screwed to the support column 2c of the first grip ball main body 2 by a mounting plate fixing screw 5 inserted through the mounting hole 4a, and the first grip ball main body 2 is fixed. The
The second grip ball main body 3 is also attached by the screw portion 4 b of the grip ball mounting plate 4.

  The conventional handle ball type door knob configured as described above rotates the spindle 2a by rotating the handle ball main body 2 or 3, via the slit 1a of the rotating portion of the lock body 1. The lock body 1 is opened and closed.

  In addition, when using a space such as a partition, it is necessary to hold and rotate the grip ball with the hand when opening and closing the door with the handle ball type door knob. However, there is an increasing demand for changing to the handle lever type.

To change to the lever type, methods such as replacement including the lock part and simply covering the grip ball with a silicon lever have been proposed.
An example of the latter is Technical Document 1.

Noto 3073920

  However, the replacement with the lever type including the lock portion described above is costly, and the one that covers the gripping ball described later with a silicon lever has a problem that the lever is displaced. It was.

  In addition, some of the above-mentioned methods have previously changed the lever turning mechanism of the lever handle so that it fits the lock body used for the grip ball, but the replacement to the lever type has become easier. There are a variety of shapes and dimensions of the rotating part of the lock body, and preparing a variety of lever handles suitable for the lock body of the handlebar door knob in advance has been a cost issue. (Relatively, it was prepared only for those corresponding to the handlebar type door knob with high versatility.)

  The present invention relates to a door knob conversion adapter provided with a drive part for turning a turning part of a door lock body for opening and closing a lock on the front face and a passive part for receiving a drive operation of a lever handle on the back face. It is set as the structure arrange | positioned between.

  The present invention provides a door knob conversion adapter between the door lock body and the lever handle unit, in which a drive part for rotating the rotating part of the door lock body is provided on the front surface and a passive part for receiving a drive operation of the lever handle is provided on the back surface. As a result, the lever handle unit can be manufactured in advance regardless of the rotation part of the lock body, and by using a door knob conversion adapter suitable for both, the lever handle unit can be easily replaced at a low cost.

  In addition, the drive part of the door knob conversion adapter having the above-described structure is configured by a recess provided on the front surface and a spindle inserted through the slit of the rotation part of the door lock body 1 so that the door knob conversion adapter is simple and inexpensive. It can be provided as an adapter.

  In addition, by preparing a lever handle unit provided with a drive pin that engages with the passive part of the knob conversion adapter and rotates, it is possible to provide an inexpensive and versatile lever handle unit. is there.

The exploded perspective view of the lever handle doorknob using the doorknob conversion adapter concerning the present invention Exploded perspective view of a conventional handleball type door knob

  One embodiment of the door knob conversion adapter of the present invention will be described with reference to an exploded perspective view of the lever handle door knob of FIG. In addition, the same part as a prior art attaches | subjects the same number, and abbreviate | omits description and demonstrates.

    According to the figure, reference numeral 10 denotes a doorknob conversion adapter, which is provided as a pair facing each other around the lock body 1. Each of the pair of door knob conversion adapters 10 is provided with a first recess 10a on the front surface (on the lock body 1 side), and an end portion of the spindle 10b inserted into the slit 1a of the rotating portion of the door lock body 1 is provided. The first recessed portion 10a and the spindle 10b of the pair of doorknob conversion adapters 10 are inserted to form a drive unit.

  Reference numeral 10c denotes a second recess constituting a passive part provided on the back of each doorknob conversion adapter 10. Reference numerals 11 and 12 denote lever handle units respectively attached to both sides of the door. Reference numeral 11a denotes a lever handle unit. 11 is a drive pin that is inserted into and engaged with the second recess 10c (not shown) incorporated in 11.

  Similarly, a drive pin 12a (not shown) is also provided on the lever handle unit 12 side, and is configured to be inserted and engaged with the second recess 10c of the door knob conversion adapter 10 on the lever handle unit 12 side. .

    Reference numeral 13 denotes a first lever base, 15 denotes a second lever base, and the first lever base 13 and the second lever base 15 are attached to a door (not shown) by a first screw 14. The door lock body 1 is fixed.

    Reference numeral 16 denotes a second screw, which fixes the lever handle unit 11 to the lever base 13 so that the drive pin 11a can be rotated in accordance with the operation of the lever 11b.

    Reference numeral 17 denotes a third screw for fixing the second lever base 15 to the lever handle unit 12 so that the drive pin 12a (not shown) can be rotated in accordance with the operation of the lever 12b. This is a door knob conversion adapter fixing screw for integrating the pair of door knob conversion adapter 10 and the spindle 10b so as to be rotatable.

    The door knob configured as described above rotates the door knob conversion adapter 10 by the drive pin 11a or 12a by rotating the lever 11b or 12b of the lever handle unit 11 or 12, and the door lock by the spindle 10b. The rotation part of the main body 1 is rotated to unlock the door.

  As is clear from the above description, the passive part on the back side of the doorknob conversion adapter 10 can be configured in a fixed manner in relation to the drive pin 11a of the lever handle unit 11, but the front side drive part is By changing the configuration depending on the relationship with the rotating portion 1a of the door lock body 1, only changing the door knob conversion adapter 10 in accordance with the configuration of the door lock body 1 without changing the configuration of the lever handle unit. The door knob can be changed from a ball-type to a lever handle type.

    In the above embodiment, the spindle 10b has been described as being inserted into the slit 1a of the rotating portion of the door lock body 1. However, the center of the drive portion on the front side of the doorknob conversion adapter 10 is a prismatic column. The movable part of the door lock body can be changed to the lever handle type of the handle knob with a square hole grip ball type by simply changing the door knob conversion adapter, and the provided lever handle unit is versatile It can be said that.

DESCRIPTION OF SYMBOLS 1 Lock body 1a Slit 10 Doorknob conversion adapter 10a 1st recessed part 10b Spindle (A drive part is comprised with 10a.)
10c Second recess (passive part)
11 Lever handle unit 11a Drive pin

Claims (3)

  A door knob conversion adapter provided with a driving part for rotating a rotating part of a door lock body for opening and closing a lock on the front surface and a passive part for receiving a driving operation of a lever handle unit on a rear surface.   2. The door knob conversion adapter according to claim 1, wherein the drive unit includes a concave portion provided on a front surface of the door knob conversion adapter and a spindle that is inserted into a slit of the rotation portion of the door lock body 1.   A lever handle unit provided with a drive pin that engages with a passive portion of the doorknob conversion adapter according to claim 1 and rotates.

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