RU2598835C1 - Drive handle - Google Patents

Abstract

FIELD: construction.

SUBSTANCE: disclosed is a drive handle for folding structural elements, such as windows, doors and similar. Drive handle includes handle part (10), gripping element (20), seat bushing (30), which can be connected or is connected without possibility of rotation with handle part (10) and has nested hole (31), through which seat bushing (30) in direction (R) of input is inserted gripping element (20), wherein gripping element (20) can be connected with seat bushing (30) without possibility of rotation. Drive handle also includes clamping device, through which gripping element (20) is clamped in seat bushing (30) so as to prevent extraction of gripping element (20) opposite to direction (R) of input, and which includes first clamping frame (33a) and second clamping frame (33b), having on recess (34a, 34b) for fitting gripping element (20) and brought into contact with gripping element (20) clamping surface (35a, 35b). First clamping frame (33a) and second clamping frame (33b) are located opposite each other so that two recesses (34a, 34b) together form a through hole (38) for gripping element (20). First clamping frame (33a) and second clamping frame (33b) can turn in opposite directions of rotation.

EFFECT: when gripping element (20) in through hole (38) first clamping frame (33a) and second clamping frame (33b) from initial position, in which they together form first angle (α1), turn to a position whereat they make second angle (α2), smaller than first angle (α1), wherein clamping frame (33a, 33b) by means of one common spring (40) are loaded with a force in direction of their initial position and as a result of contact clamping surfaces (35a, 35b) with gripping element (20) act on gripping element (20) with retaining force.

7 cl, 6 dwg

Description

The invention relates to a drive handle for leaf structures such as windows, doors and the like, according to the preamble of claim 1.

The drive handles are used, for example, to open and close a window or door, and include a handle part in the form of, for example, a door handle that is rotationally connected to a gripping element, for example, in the form of a tetrahedral pin. When the door handle is rotated, the tetrahedral pin connected to it without the possibility of rotation also rotates and activates, for example, a door lock.

The gripper usually also has to transmit axial pulling and pressing forces applied by the handle part to the casement, since, for example, after opening the door lock with the drive handle, the door is pulled. In this case, the connection between the handle part and the gripping element must be made so that both after installation were connected to each other both in the axial direction and without rotation. For conventional drive knobs of the prior art, for example, a countersunk screw is screwed through the corresponding portion of the handle of the handle part and brought into contact with the gripping element. However, the disadvantage of these drive knobs known from the prior art is the laborious installation, since the handle part must first be put on the gripping element, and then with a tool, such as, for example, a screwdriver or an Allen key, the screw is screwed through the through hole of the handle part until it will not come in contact with the gripping element.

A handle of this kind is known from EP 1683 933 B1, which includes a handle and a gripping element that can be rotatably engaged with the handle, while a clamping device is provided between the handle and the gripping element, which is designed in such a way that the grip is inserted The element in the handle can be carried out in the first direction, and locked in the opposite direction. Moreover, the clamping device according to the first embodiment includes two rotational clamping frames arranged in an axial direction of the gripping element one after the other, which are each made in a closed manner, enclose the gripping element and can be engaged in clamping engagement with the gripping element. The clamping frames are located in the sleeve, which is fixed in the handle. In addition, the clamping frames are pressed continuously by the spring in the direction of the inclined surface, which is provided on the end face of the sleeve surrounding the gripping element. The axis of rotation of the clamping frames is located diagonally to the cross-sectional surface of the gripping element, so that the clamping frames are engaged only with the angular edges of the gripping element.

The basis of the invention is the task of creating a drive handle for leaf structural elements, such as windows, doors and the like, which will allow for particularly simple and quick installation and dismantling, as well as reliably prevent the inadvertent removal of the handle part from the gripping element.

This task in accordance with the invention is solved using a drive handle with the characteristics of claim 1 of the claims. Preferred embodiments are described in the dependent claims.

The drive handle according to the invention includes a grip part, a gripping element and a socket sleeve that can be rotationally connected or connected to the handle part and has a socket hole through which a gripping element can be inserted into the socket sleeve in the input direction, while the gripping element can connect to the socket sleeve without rotation. In addition, the drive handle includes a clamping device through which the gripping element can be clamped in the socket sleeve so that the gripping element is prevented from being pulled in against the direction of entry, and which includes a first clamping frame and a second clamping frame having a recess for threading a gripping element and a clamping surface brought into contact with the gripping element. The first clamping frame and the second clamping frame are located opposite each other so that the two recesses together form a through hole for the gripping element. In addition, both clamping frames have the ability to rotate in opposite directions of rotation. When the gripping element is inserted into the through hole, both clamping frames from the initial position in which they make up the first angle with each other can be rotated to the position in which they make up the second angle, which is smaller than the first angle, while the clamping frames by means of the device for the application of force is loaded by force in the direction of their initial position and, due to the contact of the clamping surfaces with the gripping element, act on the gripping element with a holding force.

Moreover, with the drive handle according to the invention, when the gripping element is inserted into the socket sleeve, the first clamping frame rotates around the first rotation axis, and the second clamping frame rotates around the second rotation axis, while the distance between the clamping side or, respectively, the clamping surface of the first clamping frame and the clamping side or accordingly, the clamping surface of the second clamping frame increases. In this case, the device for applying force always acts on the clamping device with a force directed opposite to the input direction, so that the clamping device is loaded with force in the direction of the initial position. As a result of the pulling force acting on the handle part and opposite to the input direction of the pulling force, the first and second clamping frames, due to the contact of their clamping sides with the gripping element, act on the gripping element with a holding force that counteracts the removal of the handle part or the socket sleeve from the gripping element.

With the drive handle of the invention, only the lateral surfaces of the gripping element are force-loaded by the clamping device, so that the edges of the gripping element are not damaged. The gripping element can simply be inserted into the socket sleeve in the input direction, as a result of which the two clamping frames are turned away from each other, while the drive part connected to the socket sleeve is reliably prevented from being removed from the gripping element. Thus, the drive handle according to the invention can be comfortably used with casement elements of various thicknesses, in particular doors.

Preferably, the first clamping frame has the ability to rotate around the first axis of rotation, and the second clamping frame around the second axis of rotation, while the axis of rotation are oriented perpendicular to the input direction and are parallel to each other.

Preferably, each clamping frame includes a clamping protrusion connected to the clamping side of the clamping frame and extending beyond this clamping side, which is angled in relation to the rotation of the clamping frame.

This facilitates the entry of the gripping element through the through hole of the clamping device, since the clamping protrusions of the clamping frames form a kind of guide funnel for the gripping element. In addition, the clamping protrusions, when the pulling force exerts on the handle part, can be sunk into the side surfaces of the gripping element, so that the inadvertent removal of the handle part from the gripping element is even more effectively prevented.

Preferably, each clamping frame has a projection opposite the clamping side, and the socket sleeve has at least two radial recesses. In this case, the two clamping frames are pivotally supported in the socket sleeve, while the protrusions of the clamping frames are placed in the corresponding radial recesses.

A suitably designed drive handle can have a particularly simple articulation of the clamping frames in the socket sleeve.

Preferably, the device for applying force is made in the form of a spring device, which is located in the socket sleeve and rests on it.

In another preferred embodiment of the drive handle, the grip part has a recess in which the socket sleeve can be inserted and connected to the grip part without rotation so that when the gripping element is inserted into the recess, the socket sleeve is placed between the grip part and the gripping element.

The socket sleeve can be integrally located in the grip part, so that the grip part can be pre-assembled together with the socket sleeve, which makes it particularly easy to mount the drive handle in place.

Below the invention is explained in more detail with examples using the drawings. Shown:

figure 1: perspective view of the proposed invention, the drive handle in a dismantled state;

figure 2: shown in figure 1, the drive handle in a partially mounted state;

figure 3: a perspective view of the drive handle shown in figures 1 and 2, in the mounted state in a partial section;

figure 4: a detailed view of the inner region of the invention of the drive handle in a mounted state without the drive portion in the image in cross section;

5: cross-sectional view of a gripping element clamped by two clamping frames of a drive handle according to the invention;

figa-6d: images of longitudinal sections of the invention according to the invention of the drive handle in various mounted states.

In the following description, the same reference signs designate the same structural elements or correspondingly the same features, so that in order to avoid re-description, the description regarding the same structural element made with reference to one drawing also applies to other drawings.

Figures 1 and 2 show the construction of the drive handle 1 according to the invention, while figure 1 shows the drive handle 1 in a dismounted state, in contrast to which figure 2 shows the drive handle in a partially mounted state. The drive handle 1 includes a handle part 10, which in the illustrated embodiment is made in the form of a push-pull door handle 10 having a neck portion 11 and a gripping portion 12. Section 11 of the neck is made hollow and has a recess 11 'to accommodate the mounting sleeve 50 and the socket sleeve 30.

The socket sleeve 30 has a socket hole 31 for accommodating the gripping element 20. The gripping element 20 in the illustrated embodiment is made in the form of a tetrahedron 20, and the socket hole 31 of the socket sleeve 30 has a corresponding cross-section geometry, so that the tetrahedral pin 20 can be connected to the socket sleeve 30 without the possibility of rotation.

The socket sleeve 30 also includes a clamping device having two rotatable relative to each other, identically made clamping frames 33a and 33b, which are made in a U-shape or C-shape and are located symmetrically with respect to the middle plane. The ends of the two clamping frames 33a and 33b located adjacent to each other and with this middle plane are separated from each other and can be rotated relative to each other. The clamping frames 33a and 33b have a recess 34a, 34b, so that the opposed clamping frames 33a, 33b together have a through hole 38 for the square pin 20.

In addition, the drive handle 1 includes a force-generating device 40 in the form of a compression spring 40 and a support ring 41 connected to the socket sleeve 30, on which the spring 40 can be supported. In the mounted state, the first and second clamping frames 33a, 33b are always loaded by means of the spring 40. In this case, the spring force applied to the clamping frames 33a, 33b is opposite to the insertion direction R, in which the tetrahedral pin 20 is inserted into the socket sleeve 30. The spring 40 acts on the clamping frames 33a, 33b with the spring force, so that the clamping device would be loaded with force in the direction of the starting position.

The mounting sleeve 50 is inserted into the recess 11 'of the neck portion 11 and is connected there to the drive handle 10, for example, by gluing or by welding. The mounting sleeve 50 has recesses 52, which serve to guide and, in addition, as a stop for the radial protrusions 32 of the socket sleeve 30. With the recesses 52, the axial position of the socket sleeve 30 is fixed in the neck portion 11 and, in addition, rotation is secured with a geometric closure, which prevents the rotation of the socket sleeve 30 in the mounting sleeve 50. In addition, the socket sleeve 30 is glued or welded into the mounting sleeve 50 and thereby fixed along the axis and without rotation.

In the neck portion 11, a hole 13 is provided for a screwdriver tool, which is explained below, and a hole 13 'for a screwdriver tool is also provided in the socket sleeve 30. In the mounted state, both holes 13, 13 ′ for the screwdriver tool are aligned. In addition, the socket sleeve 30 has two radial recesses 39a, 39b, through which the clamping frames 33a, 33b are rotatably secured in the socket sleeve 30.

Figure 5 shows a cross-sectional view of a tetrahedron 20, clamped by two clamping frames 33a, 33b. Each of the clamping frames 33a, 33b has a corresponding recess 34a, 34b, which together form a through hole 38 of the clamping device. In addition, each clamping frame 33a, 33b has a clamping surface 35a, 35b, which in the mounted state of the drive handle 1 is located opposite the side surface of the tetrahedral pin 20. In the illustrated embodiment, each clamping surface 35a, 35b includes a clamping protrusion 36a, 36b, which protrudes beyond the rest of the clamping surface 35a, 35b, and this clamping protrusion 36a, 36b in the direction of rotation of the clamping frame 33a, 33b is installed relative to it at an angle. In addition, each of the clamping frames 33a, 33b has a mounting protrusion 37a, 37b that can be inserted into the respective radial recesses 39a, 39b of the socket sleeve 30. In this case, the mounting of the fixing protrusions 37a, 37b in the radial recesses 39a, 39b is such that the clamping frames 33a, 33b are rotatably supported in the socket sleeve 30.

In the initial position of the clamping device, in which the first clamping frame 33a and the second clamping frame 33b make up the first angle α1 (see FIG. 6c), the distance from the first clamping surface 35a or the first clamping protrusion 36a to the second clamping surface 35b or the second clamping the protrusion 36b of the second clamping frame 33b is a predetermined value A. In this case, the cross-sectional width B of the tetrahedron 20 is greater than the distance A between the first and second clamping surfaces of the two clamping frames.

6a-6d illustrates the principle of operation and arrangement of the drive handle 1 of the invention. In this, FIGS. 6a-6d show one of the modifications of the drive handle 1, which does not include a mounting sleeve 50, and in which the socket sleeve 30 is inserted directly into the recess 11 'of the grip part 11 and can be connected to it. For fastening the drive handle 1, it has locking balls 42 that can be locked in the radial recess 11 ″ of the recess 11 ′. These locking balls 42 also serve for the easy and precise direction of the gripping element 20 when it is inserted into the socket sleeve 30. However, these locking balls 42 and the radial recess 11 ″ are only optional and not required for the subject invention. The rest of the design and operation principle of the drive handle 1 shown in FIG. 6a-6d, identical to the drive handle 1 shown in FIGS. 1-3.

In FIG. 6a, the drive handle 1 is shown in a partially dismantled state in which the socket sleeve 30 has not yet been inserted into the recess 11 'of the handle portion 10 and in which the gripping element 20 has not yet been inserted into the socket sleeve 30.

6b, the socket sleeve 30 is inserted into the neck portion 11 of the grip portion 10, while the locking balls 42 are not yet locked in the radial recess 11 ″ of the recess 11 ′. In addition, in FIG. 6b also, the tetrahedron 20 is not yet inserted into the socket sleeve 30.

6c, the tetrahedron 20 is partially inserted through the socket hole 31 into the socket sleeve 30, so that the tetrahedron 20 presses the locking balls 42 radially outward, so that the locking balls 42 engage with the radial recess 11 ''. However, the tetrahedron 20 is not inserted into the socket sleeve 30 so that the tetrahedron 20 extends through the through hole 38 of the clamping device. The first clamping frame 33a and the second clamping frame 33b in the initial position of the clamping device shown in FIG. 6c comprise a first angle α1 of 180 °.

6d, the drive handle 1 is shown in a fully assembled state in which the tetrahedron 20 extends through the socket sleeve 30. Since the cross-sectional width B of the tetrahedron 20 is greater than the distance between the first and second clamping surfaces 35a, 35b in the initial position, the tetrahedron 20 extrudes the first clamping frame 33a and the second clamping frame 33b from its original position. In this case, the first clamping frame 33a has the ability to rotate around the first axis of rotation, and the second clamping frame 33b around the second axis of rotation, in opposite directions of rotation. Both the first axis of rotation and the second axis of rotation are each oriented perpendicular to the direction R of the input and are located in parallel with the offset relative to each other. When you enter the tetrahedron 20 in the direction R of the input into the socket sleeve 30 and through the through hole 38 of the clamping device, the first clamping frame 33a rotates around the first axis of rotation and the second clamping frame 33b around the second axis of rotation, so that the first clamping frame 33a and the second clamping frame 33b constitute a second angle α2, which is smaller than the first angle α1, so that the distance A between the first clamping surface 35a and the second clamping surface 35b increases. The spiral spring 40 acts on the clamping device with a force directed opposite to the input direction R, so that the clamping device is loaded with force in the direction of its initial position, and the clamping surfaces 35a, 35b or, respectively, the clamping protrusions 36a, 36b press on the side surfaces of the tetrahedron 20.

Figure 3 shows the inventive drive handle 1 in a mounted state in the image in perspective in partial section, and figure 4 shows a detailed view of the inner region of the invention of the drive handle 1 in a mounted state without a drive part 10, while the socket sleeve 30 is shown in cross section.

Figure 4 shows the rotation directions of the first clamping frame 33a and the second clamping frame 33b when the square 20 is threaded through the through hole 38 of the clamping device.

The door handle 10 can no longer be removed from the tetrahedron 20, because as a result of the pulling force applied to the door handle 10 and opposite to the direction R of the pulling force, the first clamping frame 33a and the second clamping frame 33b due to the contact of the first clamping surface 35a or, respectively, of the first clamping protrusion 36a and the second clamping surface 35b, or respectively the second clamping protrusion 36b with the gripping element 20 act on the gripping element 20 with a holding force that counteracts the removal of the handle part 10 from the gripping element that 20. Because when the gripping element 20 is removed from the socket sleeve 30, the clamping frames 33a and 33b would have to be rotated back to their original position, which, however, is not possible since the corresponding clamping surfaces 35a, 35b are located through the clamping protrusions 36a, 36b in clamping contact with the side surfaces of the gripping element 20.

When the screwdriver tool is inserted through the holes 13, 13 ′ under the screwdriver tool, the clamping frames 33a, 33b can be rotated even further so that the square is no longer clamped by the clamping device, and the drive part 10 can be removed from the square.

LIST OF REFERENCE NUMBERS

1 drive handle

10 Handle / push door handle

11 Section of the neck (grip part)

11 'Notch (in the neck)

11 '' Radial recess (in the recess of the neck section)

12 Area of the handle (handle part)

13, 13 'Hole for a screwdriver tool (in the neck)

20 Gripping element / square pin

30 socket sleeve

31 Socket hole (socket sleeve)

32 Radial protrusion (socket sleeve)

33a, 33b first / second clamping frame

34a, 34b recess (clamping frame)

35a, 35b Clamping surface (clamping frame)

36a, 36b Clamp

37a, 37b Fixing protrusion / presser foot (clamping frame)

38 Through hole (clamping device)

39a, 39b Radial recess (socket sleeve)

40 Apparatus for application of force / spring device

41 Support ring

42 retaining ball

50 Mounting sleeve

52 recess (mounting sleeve)

A The distance between the first and second clamping surface

B The cross-sectional width of the gripping element

R Input direction

Claims (7)

1. The drive handle for leaf structural elements such as windows, doors and the like, including:
- handle part (10),
- gripping element (20),
- a socket sleeve (30), which is made with the possibility of connection or rotationally connected to the handle part (10) and has a socket hole (31) through which a gripping element (20) is inserted into the socket sleeve (30) in the input direction (R) ), while the gripping element (20) is configured to connect to the socket sleeve (30) without rotation,
- a clamping device, by means of which the gripping element (20) is clamped in the socket sleeve (30) in such a way as to prevent the extraction of the gripping element (20) against the insertion direction (R), and which includes a first clamping frame (33a) and a second clamping frame ( 33b) having a recess (34a, 34b) for threading the gripping element (20) and brought into contact with the gripping element (20) a clamping surface (35a, 35b),
characterized in that
- the first clamping frame (33a) and the second clamping frame (33b) are located opposite each other so that the two recesses (34a, 34b) together form a through hole (38) for the gripping element (20),
- the first clamping frame (33a) and the second clamping frame (33b) are rotatable in opposite directions of rotation,
- when the gripping element (20) is inserted into the through hole (38), the first clamping frame (33a) and the second clamping frame (33b) from the initial position in which they make up the first angle (α1) with each other are rotated to the position in which they constitute a second angle (α2), which is smaller than the first angle (α1), while both opposite clamping frames (33a, 33b) are loaded by one common spring (40) in the direction of their initial position and due to the contact of the clamping surfaces (35a , 35b) with a gripping element (20) act on the gripping element (20) with holding force. 2. The drive handle according to claim 1, characterized in that the first clamping frame (33a) is made to rotate around the first axis of rotation, and the second clamping frame (33b) is around the second axis of rotation, while the axis of rotation is oriented perpendicular to the direction (R ) input and are parallel to each other. 3. The drive handle (1) according to claim 1 or 2, characterized by the following features:
- each clamping frame (33a, 33b) includes a clamping protrusion (36a, 36b) connected to the clamping surface (35a, 35b) and
- the clamping protrusion (36a, 36b) in the direction of rotation of the clamping frame (33a, 33b) is installed relative to it at an angle. 4. The drive handle (1) according to claim 1 or 2, characterized in that
- each clamping frame (33a, 33b) has an opposing clamping surface mounting lug (37a, 37b);
- the socket sleeve (30) has two radial recesses (39a, 39b) and
- the clamping frames (33a, 33b) are pivotally supported in the socket sleeve (30), while the mounting protrusions (37a, 37b) of the clamping frames (33a, 33b) are placed in the corresponding radial recesses (39a, 39b). 5. The drive handle (1) according to claim 1 or 2, characterized in that the spring (40) is located in the socket sleeve (30) and rests on it. 6. The drive handle (1) according to claim 1 or 2, characterized in that in the initial position of the clamping device, the first clamping frame (33a) and the second clamping frame (33b) are located in the same plane, so that the first angle (α1) is 180 °. 7. The drive handle (1) according to claim 1 or 2, characterized by the following features:
- the grip part (10) has a recess (11 ′) and
the socket sleeve (30) is inserted into the recess (11 ′) of the handle part (10) and is connected to the handle part (10) without rotation so that when the gripping element (20) is inserted into the recess (20), the socket sleeve (30) was placed between the handle part (10) and the gripping element (20).

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