JPH086993Y2 - Door handle device - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a push-pull type door handle device mounted on a door of a house or the like and operated to push and pull in a door opening direction.

[Conventional technology]

As a conventional technique relating to the push-pull type door handle device, there is a technique described in Japanese Utility Model Laid-Open No. 57-45568.

In the pull-type handle device of the same technology, as shown in the plan view of FIG. 9, one end of a door D is pivotally attached to one pillar 2 by a hinge 1, and a latch 3 provided at the other end of the door D is a door. D
The door D is projected from the end and is engaged with the receiving hole 5 of the other column 4 to keep the door D closed.

Then, pins 8 and 9 are provided on the escutcheons 6 and 7 fixed to the indoor and outdoor surfaces of the door D, respectively, and one ends of push-pull type handles 10 and 11 are pivotally attached to the pins 8 and 9,
When the push-pull type handles 10 and 11 are pushed or pulled in the opening direction of the door D, a lever (not shown) provided on the handles 10 and 11 causes the latch 3 to be retracted into the door D, so that the handles 10 and 11 are pushed. Alternatively, the pulling force opens the door D as it is. Therefore, the door is opened by a one-touch operation of pushing or pulling the handles 10 and 11, which has an advantage that the door opening operation is simple, but has the following problems.

[Problems to be solved by the device]

The push-pull type handles 10 and 11 are provided with a door D so that the hands holding the handles 10 and 11 can be pushed and pulled in the opening direction.
Although it protrudes from the surface by a dimension l (see FIG. 9),
Therefore, there were the following problems.

(1) There is a risk of collision with people near the door.

(2) The protruding state of the handles 10 and 11 is easily noticeable,
The whole door doesn't look good.

Further, since the push-pull type handles 10 and 11 are pivotally attached to the pins 8 and 9, respectively, one end thereof has the following problems.

(3) Handle due to the gap between the handles 10 and 11 and the pins 8 and 9.
10 and 11 cause rattling in the vertical direction, and the rattling is greatly enlarged on the other end side of the handles 10 and 11.

Therefore, the person who operates the handles 10 and 11 receives an uncomfortable rattling sensation.

The present invention aims to solve such problems.

[Means for solving the problem]

In order to achieve the above object, the door handle device of the present invention is provided with protrusions at both ends of inner and outer escutcheons fixed to both surfaces of the door, and the escutcheons are provided at the center of each escutcheon. An intermediate recess that is recessed from the door surface when fixed is formed, and a handle insertion groove that opens to the intermediate recess is provided in each of the protrusions, and one end of the handle insertion groove is orthogonal to the handle insertion groove. A pivot is provided, one end of an outer handle and an inner handle are pivotally attached to the pivot, and the handle is provided so as to be rotatable in a door opening direction from a pre-operation position that is substantially flush with the protrusion of the escutcheon, A spring for urging the pre-operation position is provided, and each of the handles is provided with a lever whose tip engages with a latch head unit provided inside a door end.

[Action]

The operation of the door handle device configured as described above is as follows.

(Closed state) The inner and outer handles, which are inserted into the handle insertion grooves of the inner and outer escutcheons and are pivotally attached to the support shaft, are in the pre-operation position, which is substantially flush with the surface of the escutcheon.

The latch head of the latch head unit provided at the end of the door is held in a state of being engaged with the receiving hole provided in the pillar on the frame side because the inner and outer handles are not operated, and the door is closed. It is in a state.

(Opened state) Insert your hand into the middle recess of either the inner or outer escutcheon, grasp the inner or outer handle,
When the inner or outer handle is pushed or pulled in the opening direction, a lever engaging with the inner or outer handle and the latch head unit is actuated, the latch head is retracted into the door, and the door is opened.

Since the vertical movements of the inner and outer handles are restricted by the handle insertion groove, there is no rattling during operation.

〔Example〕

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

FIG. 1 is a cross-sectional view of the door handle device, and FIG.
FIG. 3 is a view taken in the direction of the arrow V in FIG. 3, and FIG. 3 is a view taken in the direction of the arrow W in FIG. 1, in which the inner escutcheon 12 and the outer escutcheon 13 are fastened together by three screws 14 and the inner and outer surfaces of the door D. Stuck to.

The latch head unit R is inserted into the hole 15 provided at the end of the door D, and the front 16 of the latch head unit R is inserted.
Is screwed to the end surface of the door D.

Since the structure of the inner escutcheon 12 and the inner handle 26 described later is the same as the structure of the outer escutcheon 13 and the outer handle 44, the inner escutcheon 12 and the inner handle
The structure of 26 will be described.

FIG. 4 is a cross-sectional view of the interior side portion of the door handle device,
5 is a view taken in the direction of arrow X in FIG. 4, FIG. 6 is a sectional view taken along line YY of FIG. 5, FIG. 7 is a sectional view taken along line ZZ of FIG. 5, and FIG. 8 is a chamber of a door handle device. Figure 3 shows a perspective view of the components of the inner part.

In the same figure, protrusions 12a, 12b protruding on the surface are provided at both ends of the inner escutcheon 12, and both protrusions 12a, 1
A wall 12c that forms an intermediate recess 17 that is deeper than the surface of the door is provided between 2b.

The wall body 12c of the inner escutcheon 12 and the wall body 13c of the outer escutcheon 13 are inserted into the holes formed in the door D through the door D.
It is inserted from both sides and is close to the outer bottom surfaces of the wall 12c and the wall 13c.

Therefore, in the intermediate recessed portion 17, a space for moving the hand holding the inner handle 26 in the door opening direction is formed.

The protrusions 12a and 12b are respectively provided with handle insertion grooves 18 and 19 which are arranged on the same line and open to the intermediate recess 17 (see FIG. 2).

The bottom of the handle insertion groove 19 is deeper than the bottom of the handle insertion groove 18 but shallower than the bottom of the intermediate recessed portion 17, an opening 20 is provided in the bottom wall 19a of the handle insertion groove 19, and both side walls 19b of the handle insertion groove 19 are provided. Is provided with a long hole 21 connected to the opening 20 (eighth
See figure).

On the back surface of the projection 12a, a shallow recess 22 having a square bottom is formed, and a square hole 23 is provided in the center of the recess 22.
Two side wall surfaces of the notch recess 24 are provided at right angles to the handle insertion groove 18, and screw holes are provided on both sides of the notch recess 24.
25 is screwed (see FIG. 8).

The root portion of the lever 28 is inserted into a groove 27 (see FIG. 8) provided at one end of the inner handle 26, and the lever 28 is fixed to the inner handle 26 by two knock pins 29. Hole 30 penetrating through (see Fig. 4)
An intermediate portion of the support shaft 31 is fitted in the.

After the inner handle 26 is inserted into the handle insertion grooves 18 and 19, both ends of the support shaft 31 to which the coiled spring 32 is attached are fitted into the two notch recesses 24, and the back plate 33 is inserted into the recesses 22. The screws 35 are brought into contact with each other (see FIG. 6), and the screws 35 inserted into the holes 34 provided in the back plate 33 are screwed into the screw holes 25.

Further, one end 32a of the spring 32 is inserted into the gap between the knock pin 29 and the inner handle 26, and the other end 32b of the spring 32 contacts the back plate 33 (see FIG. 4).

Therefore, the inner handle 26 can rotate about the support shaft 31 as a fulcrum, and is biased by the spring 32 in a direction away from the inner escutcheon 12.

A protrusion 36 is provided on the other end of the inner handle 26, and a rectangular ring-shaped cushioning material 39 surrounding the protrusion 36 is fixed to the other end of the inner handle 26. Projecting pin 40
The hole 42 formed in the cushion material 41 is inserted into the
The pin 38 inserted into the long hole 21 is fitted into the hole 37 formed in the hole 36 (see FIGS. 7 and 8).

Therefore, in the inner handle 26, the pin 38 has the cushion material 41.
It is in the pre-operation position where it moves in the biasing direction until it hits and the surface of the inner handle 26 is almost flush with the protrusions 12a, 12b, but when the inner handle 26 is pushed in the opposite direction of the bias of the spring 32, the cushion Material 39 is bottom wall 19a of escutcheon 12
You can move until you hit.

When the inner handle 26 rotates in the door opening direction opposite to the biasing direction, the tip of the lever 28 engaged with the internal mechanism of the latch head unit R moves, and the latch head 43 at the tip becomes rotatable. The latch head 43 which receives the force in the door opening direction is rotated.

The structure of the door handle device on the outdoor side is the same as the structure on the indoor side described below, but as shown in FIG. 1, the shape of the free end side end 44a of the outer handle 44 is thick. The difference between the outer handle 44 and the outer handle 44 is that the door D opens in the opposite direction to the inner handle 26, so that the spring 32 also biases the outer handle 44 in the opposite direction.

 Next, the operation of the door handle device will be described.

(Closed door) The inner handle 26 is escalated by the spring 32.
It is urged in the direction away from 12 (opposite to the door opening) and moves in the direction indicated by arrow F, the pin 38 abuts the cushion material 41, and is in the pre-operation position shown by the solid line in FIG.

At this time, the surface of the inner handle 26 is substantially flush with the surfaces of the protrusions 12a, 12b of the inner escutcheon 12, so that the appearance of the entire door is beautiful and there is a risk of collision with people near the door. There is no.

The lever 28 fixed to the inner handle 26 is in a position where it does not push the internal mechanism of the latch head unit R, and the latch head 43 is constrained to be non-rotatable and the latching surface of the latch head 43 held in the upright state. 43a is engaged with the receiving hole on the pillar side, and the door D is kept closed.

This closed state also applies to the outer handle 44.

(Door opening operation) Insert the hand into the intermediate recessed portion 17 of the inner escutcheon 12, grasp the inner handle 26, and push against the urging force of the spring 32 in the direction opposite to the arrow F, which is the door opening direction. Since it is constrained by the insertion grooves 18 and 19, it rotates about the support shaft 31 as a fulcrum without rattling in the vertical direction, the cushion material 39 contacts the bottom wall 19a, and the inner handle 26 becomes the position shown by the chain line in FIG.

By the turning of the inner handle 26, the tip of the lever 28 pushes the internal mechanism of the latch head unit R in the direction of the latch head 43, the latch head 43 is released from the restraint and can be turned, and the force in the door opening direction is applied. The received latch head 43 rotates and the locking surface 43a becomes an inclined surface (see the position indicated by the chain line in FIG. 1).
The latch head 43 retreats and opens the door by the component force of the door opening force acting on this inclined surface.

This opening operation is the same for the outer handle 44.

[Effect of device]

Since the present invention is configured as described above,
The following effects are achieved.

(1) Since it is almost flush with the surface of the inner and outer escutcheons, there is no protrusion l as seen in the conventional door handle device, and therefore there is no danger of the handle hitting a person, and the door The appearance is also aesthetic.

(2) The inner and outer handles are inserted into the handle insertion grooves of the inner and outer escutcheons, respectively, and vertical rattling at the free end of the handle is restricted by the handle insertion groove. It does not cause discomfort due to rattling.

[Brief description of drawings]

1 to 8 show an embodiment of the present invention, FIG. 1 is a cross-sectional view of a door handle device, FIG. 2 is a view taken in the direction of arrow V in FIG. 1, and FIG. 3 is W in FIG. FIG. 4 is a cross-sectional view of the interior side portion of the door handle device, FIG. 5 is a view taken in the direction of arrow X in FIG. 4, FIG. 6 is a cross-sectional view taken along line YY of FIG. 5, and FIG. 5 is a sectional view taken along the line ZZ in FIG. 5, FIG. 8 is a perspective view of components of an interior side portion of the door handle device, and FIG. 9 is a plan view of a conventional door handle device. D ... Door, R ... Latch head unit, 12 ... Inner escutcheon, 12a ... Protrusion, 12b ... Protrusion, 12c
…… Wall, 13 …… Outside escutcheon, 17 …… Intermediate recess, 18,19 …… Handle insertion groove, 19a …… Bottom wall, 19b ……
Side wall, 20 ... Opening, 21 ... Long hole, 24 ... Notched recess, 26 ...
… Inner handle, 28 …… Lever, 31 …… Spindle, 32 …… Spring, 33 …… Back plate, 39 …… Cushion material, 41…
… Cushion material, 43 …… Latch head, 44 …… Outer handle.

Claims (1)

[Scope of utility model registration request] Claims: 1. Protrusions are provided at both ends of an inner and outer escutcheon fixed to both surfaces of a door, and an intermediate portion that is recessed from the door surface when the escutcheon is fixed to the center of each escutcheon. A recess is formed, a handle insertion groove that opens to the intermediate recess is provided on each of the protrusions, and a spindle that is orthogonal to the handle insertion groove is provided at one end of the handle insertion groove. And one end of the inner handle is pivotally mounted, and the handle is provided so as to be rotatable in a door opening direction from a pre-operation position on the same plane as the protrusion of the escutcheon, and a spring for biasing the pre-operation position is provided. A door handle device, wherein each of the handles is provided with a lever whose tip engages with a latch head unit provided inside a door end.