RU2567714C2 - Connecting assembly - Google Patents

Abstract

FIELD: personal use articles.

SUBSTANCE: invention relates to a connecting assembly for detachable mounting a panel furniture element, in particular the front panel to the other panel furniture element located at an angle to it, preferably a right angle, in particular to the sidewall of the drawer. The connecting assembly (1) for detachable mounting of the panel furniture element to the other panel furniture element, which is made angular in this case. The connecting assembly comprises a carrier element (2) which is provided with a support removably connected with a retainer (3), and the said retainer has the following features: there is a mounting base (21) perpendicular to the mounting surface (16); the mounting base is slidably attached to the spring-loaded (28) locking lever (22) movable under spring force from a free position to the locking position and against the action of the spring force, from the locking position back to the free position; the locking lever has a hook (23) used to engage in the locking position for the respective bearing, preferably the pin (13) on the carrier element (2). The mobility of the locking lever (22) on the mounting base (21) is provided by the swivel bearing (24).

EFFECT: connecting assembly has a more perfect mounting of the unlocking lever on the structure.

21 cl, 16 dwg

Description

This invention relates to a connecting unit for removably attaching a panel furniture element, in particular a front panel, to another panel furniture element located at an angle to it, preferably at a right angle, in particular to the side of the drawer, in accordance with the preamble of claim 1 claims

A similar connection unit is known from document EP 0066893 B1, where a connection unit is disclosed which is characterized by a compact design and provides the possibility of a fixed connection of two panel furniture elements connected together, and it is possible to easily disconnect said furniture elements using an unlocking lever integrated in the connection unit. The advantage of this design is the ability to automatically connect by axial displacement in the corresponding reference node.

It seems that the known system in the mounted state has a disadvantage from the point of view of elasticity, since the impact of shock loads on the joint area occurs by and large without springing, which in the least favorable cases can lead to damage to furniture elements having a mutual connection.

At the same time, a connection unit is also known from EP 0740917 B1, also having an “automatic fixation” of the type described in EP 0066893 B1, but using as an unlocking means not a built-in unlocking lever, but a socket on the locking lever, which allows for resetting using a separate tool, for example screwdrivers. When unlocking, due to the axial movement of the screwdriver in the socket, the locking body is displaced from the locking lever, and the transition through the dead center of the unlocking path is possible only by applying lateral force. The main disadvantage is that to remove the front panel, you always need to have a tool on hand.

The objective of the invention is to improve a similar connection node known from EP 0066893 B1.

To solve this problem, a technical solution is described, characterized by paragraphs 1 and 11 of the claims.

According to the characterizing part of claim 1, the mounting base is mounted or mounted on the sidewall adapter, while the unlocking lever, which is made with the possibility of manual manipulation, has a connection with the locking lever and with the specified base and passes into the free space of the adapter so that in the specified free space could be controlled by the user's hand.

Claim 1 characterizes a very advantageous technical solution that allows the locking lever to be unlocked without a tool, such as a screwdriver, in particular due to the very practical and compact integration of the unlocking lever into the sidewall structure.

As a result, it is possible to actuate the unlocking lever simultaneously on both sides of the drawer, that is, on both sidewalls, which allows the front panel to be released safely and without damage. The invention, therefore, relates to a drawer with two sidewalls, front panel and two connecting nodes made in accordance with the invention.

In accordance with the modifications expressed in the dependent claims, the unlocking lever has additional features that further improve the characteristics of the connecting node in terms of ease of use and safety.

In accordance with paragraph 2 of the claims, in the mounting base there is a first link, which overlaps with the second link in the locking lever, and a pin having mobility in both wings passes through both wings. The presence of this feature in an extremely simple way ensures effective interaction between the components of the locking lever and the mounting base.

In accordance with paragraph 3 of the claims, the first link is an arc-shaped link in the mounting base, and the second link is an angular link in the locking arm, and the corner link forms a dead point for the pin to be overcome by overpressure. As a result, in an extremely simple and reliable way, the practical implementation of the mechanism for locking the locking lever is possible.

The pin is preferably placed on the unlocking lever (preferably in the hole), which allows simple structural means to enable the unlocking lever in interaction with the wings on the locking lever and on the mounting base.

Preferably, if the pin has a head, due to which the locking lever is guided in the wings on the mounting base when moving the locking lever between the open position and the lock position.

Paragraph 11 of the formula characterizes the technical solution, which can be considered as the further development of the solution in paragraphs 1-10, as well as an independent invention, in a simple way reduces the likelihood of damage to the front panel and, possibly, the extension mechanism under shock loads on the front panel, since the locking lever of the extension mechanism has the possibility of elastic displacement in the area of its rotary support.

The elastic connecting unit also allows you to adjust the installation angle of the front panel (provided that it has a corresponding rotary design) relative to another panel furniture element without the need for disconnection during the adjustment process, since the rotary support is able to compensate or perceive the corresponding displacement of the front panel. This is impossible in all cases of the practical implementation of the rotary support "without play", which, as is known to specialists, is a fixed support.

Preferred embodiments of the invention are presented in the dependent claims.

Below the invention is described in more detail with reference to the embodiment illustrated in the drawings, where:

figure 1 is a side view of the connecting node with the first part of the site, which is a latch located on the sidewall adapter, and the second part of the site, which is a bearing element;

figure 2 is a perspective image of the connecting node of figure 1 in an unassembled form, without a second part of the node;

figure 3 is a perspective image of a piece of furniture with a set of drawers in the closed position;

figure 4 is a perspective image of a piece of furniture from figure 3 with an open drawer;

figure 5 is a perspective image of one of the boxes of figure 4;

6 is an image of the drawer of figure 4 without a front panel, but with a connecting node, a latch and a bearing element;

Fig.7 is an image of the drawer of Fig.5 without a front panel, with a latch, without a supporting element;

Fig. 8 is a perspective view of a sidewall portion with a retainer, a supporting member, and a partial cutout of the sidewall wall;

Fig.9 is a rear view of the structure of Fig.1;

figure 10 is a side view of the structure of figure 1 at the beginning of the introduction of the bearing part;

11-15 are side views of the connecting node of FIG. 1 without an adapter during insertion of the carrier, illustrating the sequence of movements during the installation of the carrier part on the fixing part, which is presented similarly to a sequence of snapshots;

Fig - image of the latch in the unlocked position, without the supporting element;

Fig.16 is a rear view of the image of Fig.12.

As shown in figure 1, each connecting node 1 contains two coordinated functional units made with the possibility of mutual connection: the supporting element 2 and the latch 3, detachably connected to the supporting element 2.

The supporting element 2 is attached to the first panel furniture element, preferably representing the front panel 4 (see figures 3-5) of the drawer 5. The drawer 5 can be inserted into the housing 6 of the furniture item 7, while the drawer 5 can be pulled out of the housing 6 into open position, and from the open position slide into the closed position (see figures. 3 and 4).

The latch 3 (see FIGS. 2 and 6, 7 and 8) is also adapted to be attached to the second panel furniture element, preferably to the sidewall 8 of the drawer 5. The side panel in this case is formed by a double-walled metal casing 9 placed on top of one or more sidewall adapter 10 and known means attached to one or more mounting element 10, for example, using fasteners such as screws, latches or similar means. The mounting elements 10 of the sidewall are also used to place the bottom 11 of the drawer (Fig.6) on the mounting tabs 12 (Fig.2) and to place a rail guide mechanism (not shown) by which the drawer can be moved on the furniture body.

Each drawer preferably has two sidewalls 8 and two connecting nodes 1, so that the front panel 4 can be mounted or mounted in assembled condition in two places on two corresponding sidewalls 8 by means of one of the supporting elements 2 in connection with the corresponding latch 3.

Within the scope of this invention, the structure of the carrier 2 is substantially arbitrary. However, it is necessary to ensure that it can be attached to at least the first panel furniture element (for example, to the front panel 4), as well as the presence of a support, for example a suitable recess or pin 13, oriented horizontally in the installation position.

The latch 3 comprises a support part (see also FIG. 2), preferably a support angle 14, by means of a shelf (parts 15a, b), for example, fastened to the mounting surface 16 of the adapter 10, which is in the installation position on top. Fastening can also be done with other fastening means, for example screws. In addition, the support part may be part of an adapter 10 (not shown).

It should be noted that terms such as “above” and “below” should not be understood as limiting. Such terms refer to the familiar installation and arrangement of the components of the piece of furniture shown in FIG.

The shelf (figure 2) in this case is divided into two parts 15a, b of the shelf, between which there is free space that allows you to place additional functional elements (not explained in detail), protruding upward relative to the mounting surface 16.

In the front part, that is, in the direction of the supporting element 2, an opening 17 is provided on the mounting surface 16, through which the functional elements of the latch 3 pass into the mounting element 10 of the sidewall; these functional elements are discussed in more detail below.

The mounting element 10 has a substantially U-shaped section in cross section perpendicular to the front panel. In a preferred embodiment, it is made of a bent sheet of metal, and the mounting surface 16 is formed by a shorter shelf U-shaped profile. Mounting tabs 12 protrude from the adapter 10 in the direction of the bottom of the box 11. Between the two longer portions 18, 19 of the shelf there is a free space 20. The dimensions of the free space 20 allow the user to put their fingers into it from below.

Parts 15a, b of the shelf contain a mounting base 21 located perpendicular to the mounting surface 16. The mounting base 21 has a movable connection with a locking lever 22, which can be moved from the free position to the locked position.

In a preferred embodiment, the entire locking lever 22 is constantly located inside the sidewall, so that none of the parts of the latch 3 does not reach the front panel 4.

The locking lever 22 includes a hook 23 that engages in a suitable support, preferably a pin 13 of the carrier 2. The locking lever 22 is a lever with one-sided support. The pivot bearing 24 of the lever 22 is located on that side that faces from the front panel 4. In this area, the locking lever 22 has an opening 45 through which, preferably, the pin 25 passes, preferably also passing through the elongated hole 26 in the mounting base 21.

The size of the hole 26 in the X direction is in any case significantly larger than the diameter of the pin 25, so the pin 25 is passed through the hole 26 with a play.

On the mounting base 21 and on the locking lever 22 there are mounting projections 27, 49, which are made in the form of hooks on which the ends of the spring (in this case, the coil spring 28) are fastened, bent by an arc for mounting. The coil spring 28 is located essentially horizontally. Preferably, if one end thereof is secured in a mounting position above the hole 26 in the recess 46 of the mounting base 21, and the other end is secured approximately in the middle between the pin 25 and the hook 23.

In this case, the coil spring 28 will pull the locking lever 22 to the upper lock position, in which one panel component is attached to the other (when the hook element extends beyond the protrusion of the carrier part or carrier element 2); in this case, the front panel 4 is fixed on one sidewall 8.

Since the pin 25 rests with some play on the rear inner surface of the predominantly slit hole 26, the end of the locking lever 22 with the pin can be slightly displaced in the hole 26, in particular in the direction parallel to the sidewall 8 or perpendicular to the front panel 4.

Such a technical solution provides an important advantage consisting in preventing the direct and complete transmission to the side panel 8 of the shock pulse of sudden shocks acting on the front panel. Instead, the kinetic energy of the shock pulse will be spent on the interaction between the backlash of the support and the spring 28. Thus, in the proposed connecting node 1, the possibility of structural damage to the sidewalls and fastening the front panel 4 by means of the pins 42, 43 of the supporting element 2 of the connecting node 1 is easily reduced.

Preferably, if the play in the pivot bearing 24 is between 0.3 and 3 mm, even more preferably between 0.5 and 2 mm, in at least one direction, preferably in the assembly direction or, in this case, in the “X direction” (FIG. one). Backlash can be provided in the hole 26 and / or in the connection area between the pin 25 and the locking lever 22.

As shown in FIG. 1, to release the locking lever 22 from the connection position, the unlocking lever 29 is used, which is integral with the latch 3.

Preferably, the release lever 29 is L-shaped, as shown in side view. The lever 29 comprises a lever arm 30 and an unlock arm 31 located at an angle, in this case substantially perpendicular to the arm 30. In this case, the unlock arm 31 has a step configuration in a view perpendicular to the side view (see also FIG. 2). Inside the angle formed between the lever arm 30 and the unlock arm 31 is a control surface 51 that is substantially perpendicular to the latch 3 in the open position.

It is preferable to connect the end of the lever arm 30 to the mounting base 21, preferably in the direction of the front panel 4 or the supporting element 2 next to the hook 23, using a pin 32 passing through the corresponding holes 34, 36 in the mounting base 21 or in the unlocking lever 29. In the mounting base 21, an arcuate link 44 is provided which overlaps with the corner link 50 in the locking lever 22 so that a pin 33 passes through both wings 44, 50, with the pin 33 being able to move a distance from its center an ovor (which in this case is preferably located in an area where, to ensure structural stability, the thickness of the material of element 21 is optionally doubled) obtained when installed in holes 34, 36, moreover, the angular link 50 forms a dead point overcome by overpressure, and the pin 33 located in the opening 35 of the unlocking lever 29. In addition, the pin 33 is equipped with a head 38, which provides reliable direction of the locking lever 22 on the mounting base 21 in its wings 44 when moving the lock operating lever 22 between the open position and the lock position.

The unlocking arm 31 is directed downward and through the opening 17 passes into the free space where it can be held with a finger.

When fixing, i.e. when the carrier element 2 is inserted, under the action of the pin 13, the unlocking lever 29 is turned on to the control surface 51, and the pin 33 is displaced from the dead center of the link 50. This leads to the release of the locking lever 22 and its rotation upward under the action of the coil spring 28, engaging the pin 13.

7 shows that the casing 9 of the sidewall may have a side opening 48 for lateral access to the means of adjusting the panel on the supporting element 2.

When the unlocking arm 31 is biased towards the carrier 2 or the front panel 4, the locking arm 22 overcomes the force of the spring 28 and moves from the locked or upper position to the free or lower position.

In a preferred embodiment, the rotation of the locking lever 22 around the pin 33 on the unlocking lever 29 can be carried out to an extent that allows the dead center of the wings 50, so that the locking lever 22 can remain in a free position after a corresponding shift to this position. This greatly facilitates the final assembly, since the supporting element 2 with the front panel 4 can first be installed in the mounting position on the latch. Under the action of a sufficiently large force applied to the front panel 4 in the opposite direction to the X direction, the supporting element 2 will shift the unlocking lever 29 by means of a pin 13 on the control surface 51 and thereby move the pin 33 beyond the dead center of the link 50, while under the influence of the spring 28 the locking lever 22 will move to its locked position, in which the hook 23 is hooked to the support (in this case, the pin 13) on the supporting element 2.

To the free lower end of the unlocking lever 29 (i.e., to the unlocking arm 31), in this case to its protruding part, an elastic, automatically renewable plastic pad 39 can be attached, which makes it more convenient to hold the unlocking arm 29. It is preferable that the plastic pad 39 also carried an additional function.

On the corner portion of the plastic block, between the gripping surface 53 and the fixing surface 40, a sliding surface 52 is provided; when the unlocking lever 31 is attracted, the specified sliding surface first collides with the angular portion 41 of the locking arm 22, and only when a noticeable, sufficiently large working force is applied slides over the specified angular portion 41, that is, when the plastic block 39 is turned against its elastic force.

Since turning the plastic block 39 is required to overcome the corner portion 41, an additional means of fixation is provided against unintentionally unlocking the locking lever 22, for example, when the shock load is applied directly to the faceplate 4, when the user did not use the unlocking lever 29, the plastic block 39 encounters with its locking surface 40 to the lower edge of the unlocking lever 29, that is, the unlocking lever 29 cannot rotate to the extent that the hook 23 locks Rowan locking arm 22 the pin 13 has released the bearing element 2.

This interaction is clearly illustrated, in particular in FIG. 10-15 and FIG. 1, which shows side views of the connecting unit 1 of FIG. 1 in the presence (Fig. 10 and Fig. 1) and in the absence (Fig. 11, 12, 13, 14, 15) of the adapter, the sequence of movements during the installation of the carrier part 2 in the X direction (see Fig. 1) on the latch 3 is presented similarly to the sequence of snapshots (Fig. 10, 11, 12, 13, 14, 1 and 15), in particular, the aforementioned locking of the plastic block 39 at the corner portion 41 is shown.

Finally, it should be noted that the supporting element 2 can in this case be fixed in the holes of the front panel 4 (by jamming and / or gluing) using one or more pins 42, 43 of the type of dowels. Alternatively, you can choose another means of fastening the carrier 2 to the front panel 4, for example with screws (not shown). The proposed device can significantly reduce the load on such a connection, and therefore the service life of the corresponding piece of furniture will be increased.

LIST OF REFERENCE NUMBERS

connecting node one bearing element 2 clamp 3 front panel four drawer 5 furniture body 6 piece of furniture 7 sidewall 8 double-walled side cover 9 setting element 10 drawer bottom eleven mounting tabs 12 pin 13 support corner fourteen supporting parts 15a, 15b mounting surface 16 hole 17 shelf parts 18, 19 free space twenty mounting base 21 locking lever 22 hook 23 swivel bearing 24 pin 25 hole 26 mounting tab 27 coil spring 28 release lever 29th lever arm thirty unlock shoulder 31 pins 32, 33 holes 34-37 head 38 plastic pad 39 fixing surface 40 corner section 41 pins 42, 43 backstage 44 hole 45 notch 46 holes 47, 48 mounting tab 49 backstage fifty control surface 51 sliding surface 52 grip surface 53

Claims (21)

1. A connecting unit (1) for removably attaching a panel furniture element, in particular a front panel (4), to another panel furniture element, located at an angle to it, preferably at a right angle, in particular to the side (8) of the drawer (5 ) containing a supporting element (2), which is equipped with a support detachably connected to the latch (3), and the specified latch has the following features:
a) there is a mounting base (21) located perpendicular to the mounting surface (16);
b) a locking lever (22) loaded with a spring (28) is movably connected to it and is moved under the action of the spring force from the free position to the locked position and, against the action of the spring force, from the locked position back to the free position;
c) said locking lever has a hook (23) used to engage the corresponding support, preferably a pin (13), in the locked position on the carrier (2);
d) the locking lever (22) is connected to the mounting base (21) by means of a rotary support (24);
e) an unlocking lever (29) is provided, made with the possibility of manual manipulation,
and characterized in that:
f) the specified base is mounted or mounted on the adapter (10) of the sidewall (8), while the unlocking lever (29), which is made with the possibility of manual manipulation, is connected to the locking lever (22) and the base (21) and passes into the free the space (20) in the sidewall adapter (10) in such a way that in the indicated free space (20) it can be controlled by the user's hand;
the latch (3) contains a support bracket (14) that acts as a support part, wherein said support bracket is mounted by means of a mounting shelf on a mounting surface (16) of a shelf adapter (10) of the side wall, and in the installation position, said mounting surface is on top and unlocks the lever (29) extends into the free space (20) in the sidewall adapter (10) through the hole (17) in the mounting surface (16). 2. The connecting node according to claim 1, characterized in that in the mounting base (21) there is a first link (44), which overlaps with the second link (50) in the locking lever (22), and through both wings (44, 50) a pin (33) passes, having mobility in both wings (44, 50). 3. The connecting node according to claim 2, characterized in that the first link is an arc-shaped link (44) in the mounting base (21), and the second link is an angular link (50) in the locking lever (22), the angle link ( 50) forms a dead point for the pin (33), overcome by overpressure. 4. The connecting node according to any one of paragraphs. 2-3, characterized in that the pin (33) is placed on the unlocking lever (29), preferably in the hole (35). 5. The connecting node according to any one of paragraphs. 2-3, characterized in that the head (38) is made on the pin (33), so as to ensure the direction of the locking lever (22) on the mounting base (21) in its wings (44) while moving the locking lever (22) between the open position and lock position. 6. The connecting node according to any one of paragraphs. 1-3, characterized in that through the hole (17) into the free space (20) penetrates the unlocking shoulder (31), so that it can be grasped with a finger, preferably from below in the installation position. 7. The connecting node according to any one of paragraphs. 1-3, characterized in that the unlocking lever (29) comprises a lever arm (30) and an unlocking arm (31) located at an angle, in this case substantially at a right angle, with respect to the arm (30) of the lever. 8. The connecting unit according to claim 7, characterized in that inside the corner formed between the lever arm (30) and the unlocking arm (31), there is a control surface (51). 9. The connecting unit according to claim 7, characterized in that one end of the arm shoulder (30) is connected to the mounting base (21), preferably in the direction of the front panel (4) or in the direction of the carrier (2) next to the hook (23) . 10. The connecting node according to any one of paragraphs. 1-3, 8-9, characterized in that the pivot bearing (24) has a play that is large enough so that under the action of the spring force, the locking lever (22) can be displaced in the pivot bearing (24) on the latch (3) at least in one direction, in particular parallel to the assembly direction (-X) when mounted on a supporting element (2) or in the specified assembly direction (-X). 11. The connecting node according to p. 10, characterized in that the play is at least 0.2 mm, preferably at least 0.3 mm. 12. The connecting node according to any one of paragraphs. 1-3, 8-9, 11, characterized in that the locking lever (22) is a lever with one-sided support, while the pivot bearing (24) is located at that end of the locking lever (22), which is facing away from the carrier element (2 ) 13. The connecting node according to any one of paragraphs. 1-3, 8-9, 11, characterized in that through the locking lever (22), forming a pivot bearing (24), passes the pin (25), and this pin also goes through the hole (26), which is made in the form of a window in the mounting base (21) and has a diameter that in any case provides a backlash in one direction, in particular in the assembly direction (-X), comprising from 0.3 to 3 mm, preferably from 0.5 to 2 mm. 14. The connecting node according to claim 13, characterized in that the hole (26) is an elongated hole. 15. The connecting node according to any one of paragraphs. 1-3, 8-9, 11, 14, characterized in that preferably the entire latch, in particular its locking lever (22), in the installation position is constantly inside the casing (9) of the sidewall. 16. The connecting node according to any one of paragraphs. 1-3, 8-9, 11, 14, characterized in that on the mounting base (21) and on the locking lever (22) are formed mounting protrusions (27, 49), on which the spring (28) is fixed. 17. The connecting node according to any one of paragraphs. 1-3, 8-9, 11, 14, characterized in that the spring (28) is installed so as to be at an angle to the locking lever (22), which it attracts to its locked position. 18. The connecting node according to any one of paragraphs. 3, 8-9, 11, 14, characterized in that the locking lever (22) is configured to move through a dead point in the open position. 19. The connecting unit according to claim 13, characterized in that in the installation position one end of the spring (28) is fixed above the hole (26), while its other end is approximately halfway between the pivot bearing (24) and the hook (23). 20. The connecting node according to claim 7, characterized in that the unlocking shoulder (31) and the locking lever (22) interact in such a way that when the locking lever (22) is moved to its free position from the locking position, additional locking means are formed against unintentional unlocking locking lever. 21. The connecting node according to claim 7, characterized in that a block, preferably a plastic block (39), is attached to the shoulder (31) of the unlocking lever (29), and moreover, on the corner section of the block between the grip surface (53) and the surface (40) a sliding surface (52) is provided for locking, so that during the displacement of the unlocking shoulder (31), the sliding surface first encounters the corner portion (41) of the locking lever (22) and slides along the specified corner portion (41) only when a noticeable, sufficiently large working th force, i.e. when turning the plastic block (39) against its elastic force.

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