ES2553084T3 - Support and adjustment device for sliding door carriage - Google Patents

Abstract

Support and adjustment device for a sliding door carriage (C) characterized in that it comprises: - a support plate (1) of the carriage (C) which incorporates in one piece a case body (2) crossed by a through hole (3) with the vertical axis (Y) and a central window (4) that ends on both sides (A and B) of the plate (1) and crossed by the longitudinal axis (Y) of the hole (3) that has two sections with different diameter, a first lower section (3a) with a larger diameter extending under the window (4) and a second upper section (3b) with a lower diameter over which the window (4) extends; - a rod (5) that is inserted from the bottom up into said hole (3) provided with a lower section (5a) with a larger diameter than an upper section (5b) of said rod (5), said upper section having (5b) a diameter equal to the second upper section (3b) of the hole (3); the upper section (5b) of said rod (5) being longer than the second upper section (3b) of the hole (3) so that the upper section (5b) of said rod (5) partially protrudes from the case body ( 2) and can be coupled with the frame (T) of the carriage (C), while the lower section (5a) of said rod (5) is coupled with the first lower section (3a) of the hole (3) and fits inside the body of the box (2); - an adjustment washer (8) associated with the rod (5) and housed inside the central window (4) and centrally traversed by the axis (Y), which adjusts the height of the plate (1) with respect to the carriage ( C).

Description

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Support and adjustment device for sliding door carriage.

The present invention relates to a support and device adjustment for a sliding carriage, in particular for sliding furniture doors.

As is known, a sliding door comprises at least one pair of spaced carriages, located at the upper edge and adapted to be coupled when mounting a door, with a horizontal track that guides the alternate paths of the sliding door.

The connection between the carriage and the sliding door is normally obtained by means of a device comprising a plate incorporating a box body that is crossed vertically by a vertical rod, connected at the top with the carriage frame.

The internal wall of the sliding door is provided with a blind housing, in the vicinity of its upper edge, where the body of the box of said plate is fitted, while the plate is arranged against the internal wall of the door, firmly fixed with ordinary screws.

The said vertical rod is normally screwed and helically coupled with the carriage frame or with the body of the box, so that the rod can also be used to adjust the height of the sliding door.

Obviously, if the guiding track is not perfectly horizontal, the sliding door must be leveled by the operator by means of the threaded rod of each car. The body of the box is open on one side and its opening is closed with a lid, which has the appropriate shape to cooperate with the threaded rod presenting a setting button housed inside the body of the box and used by the operator to adjust the height of the door.

In order to access said adjustment button without removing the cover, the latter is provided with a window from which a section of the perimeter of said adjustment button partially protrudes.

EP 1108845 discloses a support and adjustment device for a carriage for sliding doors such as that described in this document.

In view of the above, the operator in charge of the sliding door assembly is given the following parts to install the sliding door: - the carriage; - the plate, which incorporates the body of the box in the open configuration, that is, without a lid; - The threaded rod with the adjustment washer; - The lid to close the body of the box; - Fixing screws to fix the plate on the internal wall of the sliding door.

Documents DE202004001068U1 and WO2010 / 127466A1 disclose another device support and adjustment of a carriage for sliding doors.

The purpose of the present invention is to provide a new support and device adjustment of a carriage for sliding doors, which does not require any assembly operation of its parts by the operator in charge of the installation of the sliding door.

A further objective of the present invention is to provide a support and adjustment device for a carriage for sliding doors, which can be quickly fixed to the internal wall of the sliding door without using traditional tools, such as screwdrivers or wrenches.

Finally, a further purpose of the invention is to provide a support and adjustment device for a sliding carriage formed by a smaller number of parts than those provided in the known equivalent devices, in such a way as to reduce production costs and of device mounting. These objectives are obtained by the device described in the present invention, with the primary and secondary characteristics disclosed in the appended claims.

The device of the invention comprises a carriage that is pre-mounted to the support plate, which incorporates a rod and the means for quickly fixing the plate on the internal wall of the sliding door, such that the operator in charge of the installation of the sliding door does not need to perform any assembly operation, it being simply necessary to fix the plate on the internal wall of the sliding door.

In accordance with the preferred embodiment of the invention, the plate incorporates means for quickly fixing the plate on the inner wall of the sliding door, whereby fixing can be obtained quickly without using screws or tools, such as screwdrivers or keys.

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For expository reasons, the description of the device according to the present invention continues to refer to the drawings, which are only illustrative, not limiting, and in which:

- Figure 1 shows the device of the invention together with the track that guides the car and is located in front of the sliding door;

- Figure 2 is a three-dimensional plan drawing of the device of the invention according to a first embodiment;

- Figure 3 is a three-dimensional plan drawing of the device of the invention according to a first embodiment seen from the opposite side of that shown in Figure 2;

- Figure 4 is a three-dimensional plan drawing of the device of the invention according to a second embodiment;

- Figure 5 shows the device of the invention according to the embodiment of Figure 4, wherein said plate is sectioned with a vertical plane;

- Figure 6 is a sectional view of the plate shown in Figure 1 with the plane VI of Figure 1.

Referring to Figures 1 to 3, which illustrate a first preferred embodiment of the invention, the device (D) of the invention comprises a carriage (C) of known type, associated with a support plate (1), which incorporates a single piece a box body (2) protruding from one (A) of the two sides (A) and B) of the plate (1).

The side (A) is the front side of the plate (1), which is adapted to be arranged against the inner wall (P1) of the sliding door (P), while the side (B) is the rear side of the plate (1), which is adapted to be facing the internal compartment of the furniture element, which closes with the sliding door (P). Said body of the box (2) has a cylindrical shape with a horizontal axis and is truncated at the top, thus having an upper flat side (2a) that is coplanar with the upper horizontal edge (1a) of the plate (1).

Said body of the box (2) is crossed by a through hole (3) with vertical axis, which ends exactly at the top in the center of said flat side (2a).

Said body of the box (2) also has a central window (4) that ends on both sides (A and B) of the plate (1) and is crossed by the longitudinal axis (Y) of said hole (3).

It should be noted that said hole (3) has two sections with different diameters: - a first lower section (3a) of greater diameter, which extends under the window (4); - A second upper section (3b) with a smaller diameter, which extends above said window (4).

The device of the invention also comprises a rod (5) that is inserted into said hole (3) from the bottom up.

Said rod (5) has a lower section (5a) with a larger diameter than the upper section (5b), which has the same diameter as the second upper section (3b) of the hole (3).

The upper section (5b) of said rod (5) is longer than the second upper section (3b) of the hole (3) so that the upper section (5b) of said rod (5) partially exits the case body (2) and is coupled with the frame (T) of a carriage (C), while the lower section (5a) is coupled with the first lower section (3a) of the hole (3) and is completely housed within said body cash (2).

In view of the above, the box body (2), and more generally the plate (1), acts as a support base for the carriage (C), to which the support base is connected by means of the rod (5). ).

From the front side (A) of the plate, preferably, a pair of tubular blocks (6), which are obtained in a single piece molded with the plate (1), are projected horizontally in a symmetrical position with respect to the axis (Y ).

Each of the anchoring screws (6) is externally provided with a series of annular ribs (6a) with a sawtooth profile, where a dispersion means (7) can be internally housed that can be rotated inside the anchor bolts (6), by means of a flat crank (7a) located on the rear side (B) of the plate (1). As can be seen in figure 1, the box body (2) is fitted in a housing (S1) of the inner wall (P1) of the sliding door (P). Similarly, the pair of anchor bolts (6) are

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adapted to fit the blind holes (FC) obtained in the inner wall (P1) of the sliding door

(P).

As mentioned earlier, said rod (5) that connects the carriage (C) and the plate (1) is also used as a means to adjust the height of the plate (1) - and indirectly of the door (P) attached to the plate (1) - with respect to the carriage (C), the height of which is affected by the assembly and the fixing of the track height (B1), where the carriage (C) is slidably housed, as It is shown in figure 1.

The rod (5) is associated with an adjustment washer (8), housed inside the window (4) crossed centrally by the axis (Y).

The present invention can be carried out in accordance with two alternative embodiments. In the first embodiment, the rod (5) can also make translations up and down along the direction defined by the axis (Y). In the second embodiment, the rod (5) can rotate around said vertical axis (Y).

The first embodiment is shown in Figures 2 and 3.

According to the first embodiment, the rod (5) and the washer (8) are helically coupled by means of reversing threads (5d) and (8d), which are, respectively, in section (5a) of the stem (5) and in the hole (8a) of the washer (8).

The thread (5d) is interleaved by one or more facets (5e) that are interconnected with corresponding facets (3e) that are in the second upper section (3b) of the hole (3).

Obviously, the rotation of the washer (8) determines the upward or downward translation of the rod (5), the facets (5e) rub against the facets (3e), thus adjusting the height of the plate (1) with respect to the car (C). The second embodiment is shown in Figures 4 and 5.

According to the second embodiment, the rod (5) and the washer (8) are coupled by means of mutually grooved profiles (5c) and (8c), provided respectively in the lower section (5a) of the rod (5) and in the hole (8a) of the washer (8).

The upper section (5b) of the rod (5) has a thread (5g) and is screwed to a threaded hole (T1) of the frame (T) of the carriage (C).

Obviously, the rotation of the adjustment washer (8) determines the greater or lesser insertion of the rod (5) into the hole (T1), thus adjusting the height of the plate (1) with respect to the carriage (C).

Referring to Figure 6, it should be noted that the adjustment washer (8) protrudes from the window opening (4) on the rear side (B) of the plate (1), so that the user can easily reach to her and spin her with one finger.

The figure shows a flexible claw (9) preferably obtained inside the window (4), which elastically adheres to the outer edge of the adjustment washer (8); The function of said flexible claw (9) is to prevent uncontrolled free rotation of the adjustment washer (8).

As shown in Figure 5, a flexible tooth (10) is preferably obtained in the lower opening of the hole (3), which prevents the rod (5) from leaving the hole (3) and prevents the fall during the assembly of the various parts of the device (D).

Vice versa the rod (5) cannot exit the hole (3) in the carriage direction (C) because the second upper section (3b) of the hole (3) has a smaller diameter than the lower section (5a) of the rod (5) ).

The plate (1) is preferably provided with two holes (F2) for fixing screws that can be used to fix the plate (1), in addition to the anchoring screws (6), for greater safety.

Claims (6)

5 10 fifteen twenty 25 30 35 40 Four. Five fifty 1. Support and adjustment device for a sliding door carriage (C) characterized in that it comprises: - a support plate (1) of the carriage (C) that incorporates in one piece a body of box (2) crossed by a through hole (3) with the vertical axis (Y) and a central window (4) that ends on both sides (A and B) of the plate (1) and crossed by the longitudinal axis (Y) of the hole (3) that has two sections with different diameter, a first lower section (3a) with a larger diameter that extends under the window (4) and a second upper section (3b) with a smaller diameter over which the window (4) extends; - a rod (5) that is inserted from the bottom up into said hole (3) provided with a lower section (5a) with a larger diameter than an upper section (5b) of said rod (5), said upper section having (5b) a diameter equal to the second upper section (3b) of the hole (3); the upper section (5b) of said rod (5) being longer than the second upper section (3b) of the hole (3) so that the upper section (5b) of said rod (5) partially protrudes from the case body ( 2) and can be coupled with the frame (T) of the carriage (C), while the lower section (5a) of said rod (5) is coupled with the first lower section (3a) of the hole (3) and fits inside the body of the box (2); - an adjustment washer (8) associated with the rod (5) and housed inside the central window (4) and centrally traversed by the axis (Y), which adjusts the height of the plate (1) with respect to the carriage ( C). 2. Device according to the preceding claim, wherein the body of the box (2) protrudes from the front side (A) of the two sides (A and B) of the plate (1); from the same side (A) also a horizontal pair of tubular anchor bolts (6) in symmetrical position with respect to the axis (Y). Device according to the preceding claim, characterized in that in each of the anchoring screws (6) it is externally provided with a series of annular ribs (6a) with sawtooth profile, housing inside a dispersion means (7 ) which can be rotated, inside said anchor bolts (6), by means of a flat crank (7a) located on the rear side (B) of the plate (1). Device according to any of the preceding claims, characterized in that the rod (5) and the washer (8) are helically coupled by means of mutual wires (5d) and (8d), provided, respectively, in the section ( 5a) of the stem (5) and the hole (8a) of the washer (8); said thread (5d) is interleaved by one or more facets (5e) interconnected with corresponding facets (3e) present in the second upper section (3b) of the hole (3). 5. Device according to claims 1 to 3 characterized in that: - the rod (5) and the washer (8) are coupled by means of mutually grooved profiles (5c) and (8c), present respectively in the lower section (5a) of the rod (5) and the hole (8a) of the washer (8); - the upper section (5b) of the rod (5) is provided with a thread (5g) and is suitable for being screwed into a threaded hole (T1) of the frame (T) of the carriage (C). Device according to any one of the preceding claims characterized in that the window (4) has a flexible claw (9) inside which elastically adheres to the outer edge of the adjustment washer (8).