JP4530332B2 - Door handle and its mounting structure - Google Patents

Description

  The present invention relates to a door handle attached to a door and an attachment structure thereof.

2. Description of the Related Art Conventionally, as a door handle and a mounting structure thereof, there is a door handle that is fixed by being fitted into a shaft hole of the handle. For example, in Patent Document 1, a screw hole penetrating from the outer peripheral surface of the cylindrical portion of the handle to an internal fitting hole is formed, and a set screw is screwed into the screw hole to fix the handle and the rotation shaft. . Moreover, in patent document 2, the said handle and the rotating shaft are fixed similarly by screwing a screw from the outer peripheral side of the cylinder part of a handle.
Each of these forms a screw hole penetrating in the radial direction of the cylinder part in the cylinder part of the handle, and a set screw or a screw is screwed into the screw hole, and a tip part of the set screw or the like is attached to the cylinder of the handle. The handle and the rotation shaft are fixed by contacting the outer peripheral surface of the rotation shaft fitted in the portion.
Japanese Patent Laid-Open No. 11-152945 (FIG. 1) Japanese Patent No. 2877711 (Claim 1)

However, the above-described conventional door handle and its mounting structure fix the handle and the rotating shaft only by the pressing force pressing the set screw or the tip of the screw against the outer peripheral surface of the rotating shaft. There was a case where the handle and the rotating shaft were rattled. Further, since the set screw and the screw head are exposed to the outside of the handle, there is a problem that the appearance of the handle is deteriorated and the handle is easily removed.
In view of such a conventional problem, the present invention fixes the rotating core member and the handle main body with the mounting screw screwed toward the door side so that the head of the mounting screw is not exposed to the outside. The purpose of this invention is to provide a door handle and its mounting structure that eliminates rattling between the rotating core material and the handle body, has a good appearance, and prevents the handle body from being removed. And

The present invention provides a door handle mounting structure in which the base of the handle main body of the door handle is fitted to the rotary core of the door lock, and the rotary core toward the door side. The base is fixed to the rotating core with a mounting screw that is screwed onto the material, and the head of the mounting screw is covered with a cover member provided on the gripping portion of the handle body, and the door lock is rotated. The moving core material and the rotating member in the door lock penetrate the rotation center portion of the moving core material and are screwed to the rotating core material to tighten the rotating member between the rotating core material. A loosening prevention sleeve fixed to each other with a tightening screw and screwed into a tip of the tightening screw on the side of the rotating core member is brought into contact with the receiving core formed in the center of the outer side of the rotating core member against the rotating core member. It is housed in a contacted state .
According to the present invention, with the mounting screw that is screwed into the rotating core toward the door side, the rotating core and the base of the handle body fitted to the rotating core are fixed, and The cover member provided on the handle body has a door handle mounting structure that covers the head of the mounting screw, so that the backlash between the handle body and the rotating core can be eliminated. The head is not exposed to the outside of the door handle, the appearance is improved, and the handle main body can be prevented from being removed .

Further, the rotating member in the rotation core and the door lock of the door lock is between the pivot core material by their turning center portion is screwed into the through vital the rotating core said secured together by tightening the screws tightening the rotating member, the said receiving recess formed on the outdoor side center of the locking sleeve that is screwed to the tip of the rotating core material side the pivot core of the tightening screw because it is housed in contact with the rotating core, it is possible to prevent loosening of the pivot core and the rotating member. In particular, even when the door lock having the mounting structure according to the present invention is used in a clockwise direction and a counterclockwise direction, it is possible to appropriately prevent loosening of the rotating core member and the rotating member. High nature.

  Further, a positioning member may be formed between the rotating core member and the base of the handle main body so that the rotating core member and the handle main body can be fitted even if the attachment angle is changed by 180 degrees. In this case, even if the mounting angle of the handle main body is changed by 180 degrees with respect to the rotating core material, the rotating core material and the handle main body are fitted to each other, so that one handle is rotated clockwise and counterclockwise. It is convenient because it can be shared.

  As described above, according to the present invention, the rotating core member and the handle main body are fixed by the mounting screw that is screwed toward the door side so that the head of the mounting screw is not exposed to the outside. It is possible to obtain a door handle and its mounting structure that eliminates rattling between the moving core material and the handle body, has a good appearance, and prevents the handle body from being removed.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 and 2 show an embodiment in which a door handle 1 according to the present invention is attached to a push button locking device (hereinafter referred to as a door lock) D. FIG. As shown in FIGS. 1 and 2, the door handle 1 is integrally formed in a radially outward direction with a bottomed cylindrical base portion 2 that fits into the pivot core 30 of the door lock D and the bottom side of the base portion 2. The handle body 4 is provided with a grip portion 3 projecting from the handle portion 4 and a cover member 6 fixed to the grip portion 3 so as to overlap.

  The door handle 1 is fixed to the outdoor side surface of the door lock D attached to the door 50 provided with a door latch. The door lock D according to the present embodiment is employed as, for example, a locking device for locking an entrance door. The lock mechanism is operated by pushing a predetermined push button 41 provided on the holder case 40. It is intended to be released. This door lock D is provided with a plurality of unlocking and non-unlocking push buttons 41A and one clear button 41B on the front side of the holder case 40 so that the push buttons 41A and 41B are pushed. When operated, unlocking and non-unlocking tumblers (not shown) that move to the back side of the holder case 40 are provided in the case 40 corresponding to the push buttons 41 and orthogonal to the moving direction of the tumblers. The holder case 40 is provided with a slider (not shown) that can be freely moved in the direction in which it is moved, and only some unlocking tumblers that have been set in advance are pushed by the push button 41. The lock mechanism provided inside is released.

  As shown in FIG. 1, on the left and right sides of each push button 41 on the surface of the holder case 40, Arabic numerals “1” to “8” corresponding to each push button and “C” indicating a clear button are displayed. English letters are engraved. Then, by pushing these buttons 41, when the lock mechanism is in the locked state, the drive pinion 42 fixed coaxially inside the door handle 1 in the holder case 40 is rotated. When restricted, the door handle 1 cannot be rotated in the release direction, and when the lock mechanism is released, the pinion 42 is allowed to rotate and the door handle 1 can be rotated in the release direction.

  The drive pinion 42 is provided with a sector gear (not shown). On the outside of the support shaft of the sector gear, the rotation is fixed coaxially with the rotary core 30 to which the door handle 1 is attached. The member 31 is spline-fitted. A winding spring (not shown) is wound around the outer peripheral portion of the rotating member 31, and the door handle 1 after the rotating operation is restored to its original shape by the elastic force of the winding spring. .

  As shown in FIG. 2, the rotating member 31 provided in the base portion of the door lock D and the rotating core member 30 arranged so as to be exposed from the holder case 40 penetrate through the rotation center portion thereof. The fastening screw 32 is fastened and fixed, and a locking sleeve 33 is attached to the tip of the fastening screw 32. The base 2 of the handle body 1 is fitted to the outside of the rotating core 30, and the rotating core 30 and the base 2 are fixed by two first mounting screws 5.

As shown in FIG. 3, the handle main body 4 provided in the door handle 1 includes a base portion 2 and a grip portion 3 projecting in a radially outward direction of the base portion 2.
The base portion 2 of the handle main body 4 is formed in a substantially bottomed cylindrical shape having a predetermined thickness with one end opened, and the height of the handle body 4 is fitted to the rotating core member 30 so that the entire rotating core member 30 is It is formed in a size that can be hidden. Two first screw holes 2a are formed in the base portion 2 at a predetermined interval. Through the first screw hole 2a, the first mounting screw 5 that is screwed into the turning core 30 toward the door is penetrated, and the turning core 30 and the base 2 are fixed to each other. . As shown in FIG. 3B, the first screw hole 2 a is formed in a trapezoidal cross section extending from the door side to the outdoor side, and the head portion formed in the conical shape of the first mounting screw 5. 5a is fitted. Moreover, as shown to Fig.3 (a), the convex part 2b covered with the recessed part of the below-mentioned cover member is formed in the outdoor outer peripheral part of this 1st screw hole 2a.

  As shown in FIG. 3B and FIG. 3C, the fitting protrusion 2c having the same shape as the positioning member is provided on the inner peripheral portion of the base 2 in the vertical direction (FIG. 3C). Are formed so that they can be fitted to each other even if the mounting angle of the base portion 2 with respect to the rotating core member 30 is changed by 180 degrees. The fitting convex portion 2 c regulates the positional deviation between the base portion 2 and the rotating core member 30 by fitting with a fitting recess formed in the rotating core member 30 described later. Therefore, the fitting convex portion 2c has such a thickness, height, and width that it does not deform even when the door handle 1 is repeatedly rotated with respect to the door lock D. Specifically, the fitting convex portion 2c is formed with a height substantially the same as the height of the inner peripheral portion, a thickness slightly smaller than the thickness of the base portion 2, and a width slightly smaller than between the first screw holes 2a. Yes. The reason why the fitting protrusion 2c restricts the positional deviation between the base 2 and the rotating core member 30 is that only the first mounting screw 5 causes insufficient strength due to repeated operation of the door handle D. is there.

  As shown in FIG. 3, the handle 3 of the handle body 4 is integrally projected from a part of the base 2 on the right side in the radial direction (right side in FIG. 3). The grip portion 3 has a substantially flat plate shape having a required thickness and is narrowed toward the tip, and has a length that can be rotated with one hand. Further, as shown in FIG. 3A, on the surface side of the grip portion 3, an outer peripheral portion that is slightly smaller than the grip portion 3 and a groove portion 8 having a required depth are formed. Furthermore, two second screw holes 8 b are formed in the groove bottom portion 8 a of the groove portion 8 in a state of being separated in the longitudinal direction of the grip portion 3. As shown in FIG. 3B, the second screw hole 8 b is formed in a trapezoidal cross section extending from the outdoor side to the door side, and the head is formed in the conical shape of the second mounting screw 7. 7a is fitted. On the outdoor side of the portion extending from the base portion 2 to the grip portion 3, a recessed portion 2d is formed at a position slightly inward from the outer peripheral portion, and the cover member 6 is fitted into the recessed portion 2d.

  As shown in FIG. 4, the cover member 6 provided on the handle body 4 is made of a plate material that can be polymerized on the surface side (outside of the handle) of the handle body 1, and the heads of the two first mounting screws 5. The part 5a is covered. The cover member 6 is fixed to the handle body 4 by the second mounting screw 7 that is screwed from the back side of the grip portion 3 to the outdoor side. As shown in FIG. 4A, the cover member 6 is slightly narrowed toward the tip in accordance with the shape of the grip portion 3. As shown in FIG. 4B, on the back side, there are two concave portions 6a covering the convex portions 2b formed on the outer peripheral portion of the first screw hole 2a of the base portion 2, and the groove portions 8 of the grip portion 3. A protrusion 6b that can be fitted is formed. Further, two second tap holes 6c are formed on the surface of the projecting portion 6b, and the second mounting screw 7 is screwed into the second tap hole 6c so that the cover member 6 is attached to the handle body. 4 is fixed.

Next, the rotation core 30 of the door lock D will be described.
As shown in FIG. 5, the rotating core member 30 is formed in a substantially cylindrical shape having an outer peripheral portion 30 a that can be fitted to the base portion 2 of the handle body 4. On the outer peripheral portion 30a, fitting recesses 30b having the same shape as positioning members are opposed to each other vertically (up and down in FIG. 5A), and the mounting angle of the base 2 with respect to the rotating core member 30 is changed by 180 degrees. However, they are formed so that they can be fitted. The fitting recess 30 b regulates the positional deviation between the rotating core member 30 and the base portion 2 by fitting into the fitting convex portion 2 c formed on the base portion 2. Further, a pedestal portion 30 c with which the periphery of the opening 2 e of the base portion 2 abuts is provided at the lower end portion of the rotating core member 30.

Two first tap holes 30d are formed on the outdoor side (upper side in FIG. 5 (b)) of the rotating core member 30 with a required interval, and the first mounting screw 5 is inserted into the first tap hole 30d. Are screwed together to fix the base 2 to the rotating core 30. An accommodation recess 30e having a size capable of accommodating the loosening prevention sleeve 33 is formed in the central portion on the outdoor side of the rotating core member 30. A third tap hole 30f into which the fastening screw 32 is screwed is formed so as to penetrate from the bottom of the housing recess 30e to the bottom of the rotating member 30. The third tap hole 30 f is formed along the rotation center axis of the rotating core member 30. Further, an engaging portion 30g with which a part of the rotating member 31 engages is formed around the door side (the lower side in FIG. 5B) of the third tap hole 30f.
As shown in FIG. 6, the locking sleeve 33 is formed in a substantially cylindrical shape as a whole, and a fourth tap hole 33 a into which the fastening screw 32 is screwed is formed so as to penetrate in the vertical direction. Further, a groove 33b having a required depth and width is formed in the upper portion thereof in the radial direction.

Next, the mounting structure of each member will be described with reference to FIG.
The rotation core member 30 and the rotation member 31 of the door lock D are engaged with each other so that their rotation center portions are aligned with each other, and a fastening screw 32 directed from the lower side to the upper side of the rotation member 30 is provided. The screw 30 is screwed into the third tap hole 30 f of the rotating core member 30. With this fastening screw 32, the turning member 31 and the turning core 30 are fastened and fixed to each other. Further, the locking sleeve 33 is housed in the housing recess 30 e of the rotating core member 30 while the fourth tap hole 33 a formed in the locking sleeve 33 is screwed to the tip of the fastening screw 32. Then, the lower end portion of the accommodated loosening prevention sleeve 33 is brought into contact with the bottom of the accommodation recess 30e, and the rotational member 31 and the rotational core member 30 are prevented from loosening.

  A base 2 of the handle main body 1 is fitted to the rotating core member 30. In this fitting, the fitting recess 30b of the rotating core member 30 and the fitting projection 2c of the base 2 are fitted together. Further, the two first mounting screws 5 from the upper side (outside of the room) toward the lower side (the door side) pass through the first screw hole 2a of the base 2 and the first tap hole of the rotating core member 30. The rotating core member 30 and the base portion 2 are fixed to each other.

A cover member 6 is superposed on the upper side of the handle main body 1 so as to cover the head 5 a of the first mounting screw 5. Then, the two second mounting screws 7 from the back side of the gripping part 3 toward the upper side (outdoor side) pass through the second screw hole 8b of the gripping part 3 and the second tap hole 6c of the cover member 6. The cover member 6 is fixed to the handle body 4.
As described in detail above, according to the door handle 1 according to the present embodiment, the first mounting screw 5 that is screwed into the rotary core 30 toward the door 50 side is attached to the base 2 of the handle body 4. Since the rotating core member 30 and the handle main body 4 can be fixed by penetrating through the formed first screw hole 2a, rattling between the door handle 1 and the rotating core member 30 can be eliminated.

  Further, a cover member 6 made of a plate material is provided on the handle main body 4, and the cover member 6 covers the head portion 5 a of the first mounting screw 5, so that the head portion 5 a goes to the outside of the door handle 1. It is possible to prevent the handle body 4 from being removed without being exposed. Further, since the cover member 6 is separate from the handle body 4, the cover member 6 is colored in a different color from the handle body 4 to provide a two-tone door handle 1 with excellent design. be able to.

In addition, even when the mounting structure of the door handle 1 according to the present embodiment is adopted for any door lock or door handle different from the present embodiment, the rattling of the door handle 1 with respect to the door lock is eliminated. The handle body 4 is not removed.
On the other hand, according to the mounting structure of the door handle 1 according to the present embodiment, the turning core 30 and the turning member 31 of the door lock D are fixed by the fastening screw 32 and further loosened at the tip of the fastening screw 32. Since the stop sleeve 33 is screwed, loosening of the rotating core member 30 and the rotating member 31 can be prevented. In particular, even when the door lock D is used in the clockwise and counterclockwise directions, the looseness between the rotating core member 30 and the rotating member 31 can be appropriately prevented, which is highly convenient.

  Further, a fitting convex portion 2 c and a fitting concave portion 30 b which are positioning members for restricting positional deviation are provided between the rotating core member 30 and the base portion 2 of the handle body 4, and these are provided with the rotating core member 30. Since it is formed so that it can be fitted even if the mounting angle with the handle body 4 is changed by 180 degrees, as shown in FIG. 7, one door handle 1 can be used in both the clockwise and counterclockwise directions. There is also an advantage that it can be done.

In addition, all the said embodiment is illustrations and is not restrictive. The scope of the present invention is defined by the claims, and all modifications within the scope equivalent to the configurations described therein are also included in the present invention.
For example, the handle main body 4 and the cover member 6 may be fixed by providing one or three or more first mounting screws 5 and second mounting screws 7. Moreover, if the fitting convex part 2c and the fitting recessed part 30b can mutually be fitted, the shape can also be changed. Further, the design can be improved by using two cover members 6 or the like.

It is the front view in which the handle for doors was attached to the pushbutton locking device. It is the sectional view on the AA line of FIG. (A) is a plan view of the handle body, (b) is a longitudinal sectional view thereof, and (c) is a bottom view thereof. (A) is a top view of a cover member, (b) is the bottom view. (A) is a top view of a rotation core material, (b) is the longitudinal cross-sectional view. (A) is a top view of a loosening prevention sleeve, (b) is the longitudinal cross-sectional view. It is a front view which shows the state attached to the pushbutton locking apparatus which used the handle | steering-wheel for doors clockwise and counterclockwise.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Door handle 2 Base 2a 1st screw hole 2c Fitting convex part 3 Grasping part 4 Handle body 5 First attachment screw 5a Head 6 Cover member 6c Second tap hole 7 Second attachment screw 30 Rotation core 30b Fitting recess 30d First tap hole 30e Receiving recess 30f Third tap hole 31 Rotating member 32 Tightening screw 33 Locking sleeve

Claims (2)

In the door handle mounting structure that is fixed in a state in which the base of the handle body of the door handle is fitted to the rotating core of the door lock,
The base is fixed to the rotating core with a mounting screw that is screwed into the rotating core toward the door, and the head of the mounting screw is covered with a cover member provided on the grip portion of the handle body. Has been
A rotating member in said door lock of the pivot core and the door lock is the between the pivot core these rotation center portion by screwing into the through vital the rotating core are secured together by tightening the screws tightening the rotating member, the rotary in the housing recess is formed on the outdoor side center of the locking sleeve that is screwed on the tip of the rotating core material side the pivot core of the tightening screw A door handle mounting structure, wherein the door handle is housed in contact with a moving core material . Between the rotating core and handle body of the base, according to claim 1, positioning member Changing the mounting angle 180 degrees and the rotation core and handle body allows fitted is formed The door handle mounting structure.

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