EP3926128A1 - Door handle and door - Google Patents

Abstract

A door handle (1, 1', 1") for actuating a door lock, in particular a latch of the door lock, has a handle neck (2), an operating part (3) extending at an angle, in particular at right angles, from the handle neck (2), the operating part (3) has a bent clamping leg (4) extending at an angle, in particular at right angles, away from the handle neck (2) and a bearing leg (5) extending at an angle from the clamping leg (4), the bearing leg (5) extending at an angle to a through the The door handle (1, 1') is essentially U-shaped in an imaginary plane spanned by the handle neck (2) and the support leg (5).

Description

The present invention relates to a door handle for actuating a door lock according to the preamble of claim 1 and a door with such a door handle.

Door handles are generally designed in such a way that they can be easily operated with the hand of a user, with the user's hand grasping an actuating part, also referred to as the handle part, extending away from a handle neck and by pivoting the handle part around a The pivot axis formed by the handle neck moves a latch of a door lock out of a strike plate of a door frame in order to open the door to which the door handle is attached.

In hospitals in particular, it is sometimes necessary to be able to operate such a door handle without grasping the handle part of the door handle in order to avoid the transmission of germs as far as possible. Another application of operating a door handle without having to grip the handle part with the hand can be due to the fact that the person is already holding another object with both hands and is therefore not able to grip the handle part with one hand. without first putting down the object.

For this purpose, it is known, for example, to bevel an inside of the actuating part facing a door leaf or also to design a recess in which the elbow at the end of the forearm that is adjacent to the upper arm can be inserted in order to be able to operate the door handle with the aid of the elbow.

The disadvantage of door handles designed in this way is that the person has to lower the entire upper body together with the elbow in order to operate the door handle, either by tilting the upper body or by kneeling. Pulling the door closer is also made more difficult in such door handles due to the lack of support for the elbow in a direction perpendicular to the plane of the door leaf.

The object of the present invention is to further develop a door handle of the generic type in such a way that it enables simple actuation of the door handle by using the forearm.

This object is achieved by a door handle with the features of claim 1 and by a door with the features of claim 14.

The door handle according to the invention for operating a door lock, in particular a latch of the door lock, has a handle neck and an operating part extending from the handle neck at an angle, in particular at right angles.

The actuating part has a bent clamping leg extending away from the trigger neck at an angle, in particular at right angles, as well as a support leg extending at an angle from the clamping leg.

The support leg extends at an angle to an imaginary plane spanned by the clamping leg.

In an imaginary plane spanned by the handle neck and the support leg, the door handle is essentially U-shaped.

With such a door handle it is made possible in a simple manner to insert the forearm into a space between the door leaf and the clamping leg and thereby place the forearm on the one hand on the handle neck and on the other hand on the support leg.

By grasping the forearm in a form-fitting manner, the door can also be pulled towards the operator in a simple manner.

The operation of a door handle designed in this way is also independent of the direction of access of the person, who accordingly places their forearm either with the area near the wrist on the handle neck and an area near the elbow joint on the support leg or with the area near the wrist on the support leg and can position an area near the elbow joint resting on the trigger neck.

Advantageous variant embodiments of the invention are the subject of the subclaims.

According to a preferred embodiment variant, a distance between the trigger neck and the support leg is at least 14 cm, preferably between 15 cm and 20 cm. This enables a large part of the forearm to be grasped in order to enable the door to be pivoted easily and safely.

According to a further advantageous embodiment variant, an angle enclosed by the trigger neck and the clamping leg is between 90 ° and 120 °, preferably between 90 ° and 100 °:
This enables the forearm to be easily inserted into the space between the clamping legs and the door leaf.

The length of the trigger neck is preferably at least 70 mm, preferably between 80 mm and 90 mm.

This creates sufficient space for inserting the forearm behind the clamp legs.

According to a variant embodiment of the invention, the clamping leg is formed from at least two leg parts which are oriented at an angle to one another, in particular at an obtuse angle.

According to an advantageous development, an angle enclosed by the first clamping leg and the second clamping leg is <135 °.

This ensures a sufficient vertical extension of the part of the door handle that encompasses the forearm.

This angle is particularly preferably between 90 ° and 120 °, particularly preferably between 100 ° and 110 °.

According to a preferred development, the length of the first clamping leg is smaller than the length of the second clamping leg.

Alternatively, the length of the first clamping leg is greater than the length of the second clamping leg.

According to a further alternative embodiment, the two clamping legs are of the same length.

According to an alternative embodiment of the invention, the clamping leg is designed in the shape of an arcuate section.

The arched shape also enables the forearm to be gripped in a form-fitting manner.

The door according to the invention is characterized by a door handle as described above.

In a preferred embodiment of the door according to the invention, the first clamping leg and the second clamping leg are aligned parallel to the plane of the door leaf, with a distance between the door leaf and the inside of the clamping leg facing the door leaf of between 60 mm and 80 mm, preferably between 62 mm and 70 mm amounts to.

In a preferred development of the door according to the invention, a vertical position of the support leg in a closed position of the door handle lies above a vertical position of the handle neck.

This avoids bending or kneeling down to operate the door handle.

Figuren 1 und 2

schematische perspektivische Darstellungen zweier alternativer Ausführungsvarianten erfindungsgemäßer Türdrücker mit zwischen einem Türblatt und den Klemmschenkeln des Türdrückers eingelegtem Unterarm,

Figur 3

eine schematische perspektivische Darstellung der in Figur 1 gezeigten Ausführungsvariante des Türdrückers,

Figur 4

eine Draufsicht auf den Türdrücker gemäß Figur 3,

Figur 5

eine Seitenansicht in einer Richtung parallel zur Ebene des Türblatts auf den Türdrücker gemäß Figur 3,

Figur 6

eine Frontansicht auf die Ebene des Türblatts mit daran angebrachtem Türdrücker gemäß Figur 3 und

Figur 7

eine Frontansicht auf die Ebene des Türblatts mit daran angebrachtem Türdrücker mit bogenförmig ausgebildetem Klemmschenkel.

Preferred exemplary embodiments of the invention are explained in more detail below with reference to the accompanying drawings. Show it:

Figures 1 and 2

schematic perspective representations of two alternative design variants of the door handle according to the invention with a forearm inserted between a door leaf and the clamping legs of the door handle,

Figure 3

a schematic perspective illustration of the embodiment variant of the door handle shown in FIG. 1,

Figure 4

a plan view of the door handle according to Figure 3 ,

Figure 5

a side view in a direction parallel to the plane of the door leaf on the door handle according to Figure 3 ,

Figure 6

a front view of the plane of the door leaf with attached door handle according to Figure 3 and

Figure 7

a front view of the plane of the door leaf with attached door handle with arched clamping legs.

In the following description of the figures, terms such as above, below, left, right, front, rear, etc. relate exclusively to the exemplary representation and position of the door handles, door, clamping legs, support legs and the like selected in the respective figures. These terms are not to be understood as restrictive, i.e. these references may change as a result of different working positions or the mirror-symmetrical design or the like.

In the Figures 1 to 7 are denoted by the reference numerals 1, 1 ', 1 "three design variants of a door handle according to the invention. The description relates mainly to that in FIGS Figures 1 and 3 to 6 The embodiment variant shown on the basis of the door handle with the reference number 1. To the in the Figures 2 and 6th The embodiment variants shown (door handles 1 'and 1 ") are essentially the features that differ from the embodiment variants according to FIGS. 1 and 3 to 6 explained in more detail.

Each of the door handles 1, 1 ', 1 "has, as in FIGS Figures 1 to 3 is shown, a trigger neck 2, from which an actuating part 3 extends at an angle, in particular at right angles.

The handle neck 2 is equipped in a known manner with a polygonal socket, for example an internal square for receiving a polygonal pin, in the example mentioned a square pin with which a door lock can be actuated, in particular the latch of the door lock.

The handle neck 2 preferably protrudes perpendicularly from the outer surface 16 of a door leaf 11 of a door 10. The connection point of the handle neck 2 to the door leaf 11 of the door 2 is preferably covered by a rosette 7 which surrounds an end piece of the handle neck 2 close to the door leaf 11.

The actuating part 3, which preferably extends at right angles from the trigger neck 2, has a clamping leg 4 extending away from the trigger neck 2 at an angle, in particular at right angles, and a support leg 5 extending at an angle from the clamping leg 4.

The support leg 5 extends at an angle to an imaginary plane spanned by the clamping leg 4.

The door handle 1, 1 ′, 1 ″ is essentially U-shaped in an imaginary plane spanned by the handle neck 2 and the support leg 5, as exemplified in FIG Figure 4 is easy to see.

In the preferred embodiment variants shown in the figures, the clamping leg 4 preferably extends in a plane parallel to the outer surface 16 of the door leaf 11 of the door 10. In this case, as in FIG Figure 5 is shown by way of example, an angle β enclosed by the trigger neck 2 and the clamping leg 4, viewed in a horizontal plane, as exemplified in FIG Figure 4 is shown, 90 °.

An angular arrangement of the handle neck 2 to the clamping leg 4 of more than 90 °, preferably between 90 ° and 120 °, particularly preferably between 90 ° and 100 °, is also conceivable, so that the clamping leg 4 moves away from the door leaf with increasing distance from the handle neck 2 11 would initially move further away and would approach again from a turning point.

In the Figures 1 to 6 In the illustrated embodiment variants, the clamping leg 4 of the door handle 1, 1 ′ is formed from two leg parts 41, 42 oriented at an angle to one another, in particular at an obtuse angle. It is also conceivable to design the clamping leg bent several times with a correspondingly higher number of leg parts.

The two leg parts 41, 42 are formed here angled in a plane parallel to the outer surface 16 of the door leaf 11 of the door 10 at an angle α <135 °. The alignment of the two leg parts 41, 42 is such that in an assembled state of the door handle 1 on the door leaf 11 of the door 10, the first leg part 41, starting from the handle neck 2, is in a neutral position of the door handle 1, ie when the door handle is not actuated, as shown in FIG exemplary in Figure 6 is shown, protrudes, is oriented relative to a horizontal plane increasing.

The second leg part 42, which is preferably connected to the first leg part 41 via a round arch, is oriented in a descending manner as viewed from the first leg parts 41, 42.

The angle α between the two leg parts 41, 42 is approximately 104 ° in the door handle shown in the exemplary embodiments shown here.

Preferably angles between 90 ° and 120 °, particularly preferably between 100 ° and 110 °, are conceivable.

While the two leg parts 41, 42 in the embodiment variants shown here extend in the longitudinal direction in one plane, it is in principle also conceivable for the first leg part 41 starting from the handle neck 2 at a small angle from the plane parallel to the door leaf 11 starting from the handle neck 2 to bend away from the door leaf 11 and to bend the transition to the second leg part 42 in such a way that the second leg part 42, starting from the first leg part 41, approaches the door leaf 11 again.

It is conceivable to design the clamping leg bent several times with a correspondingly higher number of leg parts.

At the in Figure 7 The embodiment variant shown, the clamping leg 4 of the door handle 1 ″ is designed in the shape of an arcuate section.

In this variant, too, the vertical position of the ends of the arched clamping leg 4 is lower than the highest point of the clamping leg 4 in the neutral position of the door handle 1 ″, so that the central area of the arched section-shaped clamping leg 4 forms a joint with the handle neck 2 and the support leg 5 Forms receiving space for the forearm of an operator.

The radius of curvature of the clamping leg 4 is preferably the same over the entire length of the clamping leg 4. However, it is also conceivable to vary the radius of curvature of the clamping leg 4 along its longitudinal extension. For example, the radius of curvature can be from the connection point on the trigger neck 2 in the direction of the connection point on the support leg 5 increase continuously or discontinuously or alternatively decrease in size.

The supporting leg 5 extending from the clamping leg 4 is preferably designed parallel to the handle neck 2, the supporting leg 5 extending from the clamping leg 4 in the direction of the door leaf 11 of the door 10. The length l _{5 of} the support leg 5 is dimensioned such that it ends close to the outer surface 16 of the door leaf 11 of the door 10, but does not touch it.

It is also conceivable to align the support leg 5 relative to the clamping leg 4 so that it is viewed in a horizontal plane, as shown in FIG Figure 4 is shown, is not bent at an angle γ of 90 ° relative to the second clamping leg 5, but this angle γ is, for example, in a range of 60 to 120 °, so that the free end of the support leg 5 is further away from the trigger neck 2 or closer to this is arranged as that of the second clamping leg 5 according to Figures 1 to 6 near end.

The support leg 5 is used, as in Figure 1 and 2 is shown, the support of an underside of a forearm 9 of an operator. The pusher neck 2, which is stationary but rotatable about its longitudinal axis, is also used to support the forearm 9.

In order to ensure a reliable hold of the forearm 9 in the space between the outer surface 16 of the door leaf 11 of the door 10 and the inner sides of the clamping legs 4, 5 as well as an actuation of the door handle 1, 1 ', 1 "with little effort, a distance b is between the trigger neck 2 and the support leg 5 at least 14 cm, preferably between 15 cm and 20 cm.

The distance b here is to be understood as the distance between the imaginary central longitudinal axes of the handle neck 2 and the support leg 5, as shown in FIG Figure 4 is shown.

In order to provide sufficient space between the clamping leg 4 and the door leaf 11 for the forearm 9 to rest on the handle neck 2 and the support leg 5, the length l _{2 of} the handle neck 2 is preferably at least 70 mm, particularly preferably between 80 mm and 90 mm.

A distance d between the door leaf 11 and the inside of the clamping leg 4 facing the door leaf 11 is preferably between 60 mm and 80 mm, particularly preferably between 62 mm and 70 mm.

While in the embodiment variants of the door handle 1, 1 'shown here, the two leg parts 41, 42 are formed connected in a plane relative to one another, it is also conceivable, as described above, to bend the two leg parts 41, 42 relative to one another so that an in Figure 4 The angle δ shown is more than 180 °, viewed in a horizontal plane.

While the in Figure 1 The embodiment variant shown, the length l _{41 of} the first leg part 41 is smaller than the length l _{42 of} the second leg part 42, is in the in Figure 2 The alternative embodiment variant of the door handle 1 ′ shown, the length l _{41 of} the first leg part 41 is greater than the length l _{42 of} the second leg part 42.

In principle, it is also conceivable for the two leg parts 41, 42 to be of the same length.

As in Figure 6 and 7th is shown, a vertical position of the support leg 5 in a closed position of the door handle 1, 1, 1 "is above a vertical position of the handle neck 2, whereby bending or kneeling to operate the door handle 1, 1 ', 1" is not necessary.

List of reference symbols

1,

Door handle

1 ', 1 "

Door handle

2

Trigger neck

3

Actuating part

4th

Clamp leg

41

first leg part

42

second leg part

5

Support leg

7th

rosette

8th

hand

9

forearm

10

door

11th

Door leaf

12th

Door lock

13th

rosette

14th

keyhole

15th

bars

16

Exterior surface

17th

Face

b

distance

d

distance

l2

length

l41

length

l42

length

l5

length

α

angle

β

angle

γ

angle

δ

angle

Claims (16)

Having door handles (1, 1 ', 1 ") for actuating a door lock, in particular a latch of the door lock - a trigger neck (2), - an actuating part (3) extending from the trigger neck (2) at an angle, in particular at right angles, characterized in that - the actuating part (3) has a bent clamping leg (4) extending away from the trigger neck (2) at an angle, in particular at right angles, - as well as a support leg (5) extending at an angle from the clamping leg (4), - wherein the support leg (5) extends at an angle to an imaginary plane spanned by the clamping leg (4), - wherein the door handle (1, 1 ') is essentially U-shaped in an imaginary plane spanned by the handle neck (2) and the support leg (5). Door handle (1, 1 ', 1 ") according to claim 1, characterized in that a distance (b) between the handle neck (2) and the support leg (5) is at least 14 cm, preferably between 15 cm and 20 cm. Door handle (1, 1 ', 1 ") according to one of the preceding claims, characterized in that an angle (β) enclosed by the handle neck (2) and the clamping leg (4) is between 90 ° and 120 °, preferably between 90 ° and 100 °. Door handle (1, 1 ', 1 ") according to one of the preceding claims, characterized in that the length (l ₂ ) of the handle neck (2) is at least 70mm, preferably between 80mm and 90mm. Door handle (1, 1 ') according to one of the preceding claims, characterized in that the clamping leg (4) is formed from at least two leg parts (41, 42) oriented at an angle to one another, in particular at obtuse angles. Door handle (1, 1 ') according to Claim 5, characterized in that an angle (a) enclosed by the leg parts (41, 42) is <135 °. Door handle (1, 1 ') according to Claim 6, characterized in that the angle (a) is between 90 ° and 120 °, preferably between 100 ° and 110 °. Door handle (1, 1 ') according to one of the preceding claims, characterized in that the length (l ₄₁ ) of a first leg part (41) is smaller than the length (l ₄₂ ) of a second leg part (42). Door handle (1, 1 ') according to one of the preceding claims 1 to 6, characterized in that the length (l ₄₁ ) of the first leg part (41) is greater than the length (l ₄₂ ) of the second leg part (42) Door handle (1, 1 ') according to one of the preceding claims 1 to 6, characterized in that the length (l ₄₁ ) of the first leg part (41) is equal to the length (l ₄₂ ) of the second leg part (42). Door handle (1 ") according to one of the preceding claims 1 to 4, characterized in that the clamping leg (4) is designed in the shape of an arcuate section. Door handle (1 ") according to Claim 11, characterized in that a bending radius of the clamping leg (4) is designed to be constant. Door handle (1 ") according to claim 11, characterized in that a bending radius of the clamping leg (4) varies in the longitudinal extension of the clamping leg (4). Door (10) with a door handle (1, 1, 1 ") fastened to a door leaf (11), characterized in that the door handle (1, 1 ', 1") is designed according to one of the preceding claims. Door (10) according to claim 14, characterized in that the clamping leg (4) is aligned parallel to the plane of the door leaf (11), a distance (d) between the door leaf (11) and the one facing the door leaf (11) Inside of the clamping leg (4) is between 60mm and 80mm, preferably between 62mm and 70mm. Door (10) according to claim 14 or 15, characterized in that the vertical position of the support leg (5) in a closed position of the door handle (1, 1, 1 ") is above a vertical position of the handle neck (2).

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