TWI630889B - Cabinet doors - Google Patents

Abstract

The invention discloses a door unit for displaying a cabinet. The door unit includes a frame and a chain structure for holding at least one upper sliding door and one sliding door in use, the chain structural member being used for selectively linking the two doors so that when the doors are When a first one is open, the chain structure member engages with the second one of the doors to also pull it apart, and when the second one of the doors is open, the chain structure member is disengaged such that the first The door remains closed. The chain structure is configured to be hidden from a user.

Description

Cabinet door

The present invention relates to cabinet doors. In particular, the present invention relates to cabinet doors for use in a sales display environment.

Recently, government agencies have promoted the display of specific products in a sales environment while still allowing them to be sold to a consumer. For example, a particular government will impose restrictions on the ability of vendors to display tobacco products.

The introduction of such restrictions can cause difficulties for the seller.

First, many vendors have invested heavily in display cabinets for such products and are faced with the potential need to replace such display cabinets to meet these constraints.

In addition, display restrictions may prevent a vendor from being able to make a consumer aware of a new or improved product.

In addition, in the absence of a suitable cabinet structure to accommodate such products, it is difficult for the seller to ensure that the display product is always prevented except when a product is taken out for sale to a consumer, which leaves the seller with a violation of the restrictions. Risk.

EP 2 565 356 A1 discloses a door unit for a display cabinet comprising a frame for holding one of the two sliding doors and a chain structure in the form of a tooth and notch arrangement, the chain structure for selectively The two doors are linked such that when the first one of the doors is open, the second of the doors is also pulled apart, and when the second of the doors is open, the chain members are disengaged such that the first door remains closed.

In particular, this solution proves that the functional aspects of the door unit and the efficiency of opening/closing the door are met to hide the product. However, the tooth and notch chain mechanism can be used during use. Significantly worn and noisy. In addition, this link mechanism remains accessible from the outside of the door unit and can therefore be easily modified, not to mention the aesthetic features that affect the door unit.

The present invention seeks to address the above and other problems.

According to the present invention, there is provided a door unit for a display cabinet, the door unit comprising: a frame for holding at least one upper sliding door and a sliding door in use; and a chain structure for selectively Two doors are linked such that when one of the first doors is open, the chain structure engages with the second of the door to also pull it apart, and when the second one of the door is open, the chain structure is disengaged such that A door remains closed, wherein the chain structure is configured to be hidden from a user. Preferably, the chain structure can be hidden from the user in any position of the door.

The doors may be positioned adjacent to each other and/or configured such that they slide in the same direction. The chain structure opposite the tooth and notch or serrated configuration known from the prior art is configured relative to the frame of the sliding door and the door unit such that when the first door is open, the two doors are engaged with each other and when the second door When opened, the two doors are disengaged from each other while always remaining hidden from the person who actuates the door on the frame. This has the particular advantage that the visible area of the door unit of the present invention remains plain and does not contain any visible mechanism, providing a more neat and cleaner design. It also reduces the likelihood of any object falling into the chain structure.

In a preferred embodiment of the invention, at least the upper sliding door and the sliding door slide over the frame in the same vertical plane.

In this preferred embodiment, the chain members can also be joined in the same vertical plane as the sliding plane of the door. This has the particular advantage of providing a very tight door unit while maintaining functionality, which does not hinder storage space in a cabinet having one of the door units of the present invention.

Advantageously, the chain structure can be mounted to the back side of one of the upper sliding door and the sliding door or to one of the longitudinal sections of the upper sliding door and the sliding door, each of which allows the door unit to be hidden from a user when mounted to a cabinet . Preferably, the chain structure can be made in any position of the door The user hides.

In another preferred embodiment, the chain structure includes an abutment member configured to engage one another when the first one of the sliding doors is open to simultaneously open the second of the sliding door and configured to slide The second of the doors is not engaged when opened to close the first of the sliding doors.

In this preferred embodiment, the abutment member can be attached to the sliding door with at least one first small live disk unit attached to the first of the sliding doors and slidably attached to the frame The second one is integrated by at least one second small live disk unit slidably attached to the frame.

Still preferably, the small live unit may include rollers or rollers mounted to a common rail in the frame, the rail preferably having a substantially C-shaped cross-section.

Still preferably, the rollers or rollers of each of the small, live unit units can be mounted to the same track in one of the rails, the rail preferably having a substantially U-shaped cross-section. Advantageously, the rails may be provided in one of the transverse members of the frame positioned between the two sliding doors and in the same vertical sliding plane as the two sliding doors.

In another preferred embodiment of the door unit of the present invention, the abutment member of the chain structure member includes a damping and/or absorbing member to absorb shock and noise after engagement. Such damping and/or absorbing members may preferably comprise rubber or weir washers, sheets or sleeves or any other soft plastic component that is capable of absorbing shock, is inexpensive to manufacture, and is easily replaceable after wear.

The frame of the door unit of the present invention can be configured such that it can be retrofitted on a standard display cabinet.

The unit may further be provided with one or more door closing mechanisms to enable one or more doors to automatically close. The closure mechanism can include one or more of a hydraulic closure mechanism, a bias weight closure mechanism, a counterweight pulley, a spring and a ratchet, or a coil spring drive mechanism.

The door should be formed from an opaque material.

The unit and/or frame and/or door can be configured such that the advertising or display oriented material can be easily secured to it or the like.

With the unit of the present invention, a vendor can selectively display alternative products for a user on an automated basis while obtaining the products desired by the consumer. In addition, through the modification of one of the units of the present invention, the seller can meet the display restriction requirements without having to install a new cabinet.

The seller can also ensure that through the automatic closing of the door, the product is displayed only when entering and leaving, so that no door will be unintentionally opened and no product will be continuously displayed.

According to the present invention, there is also provided a display cabinet comprising an outer casing comprising one or more shelves and further comprising a unit of any of the foregoing technical solutions contained on the outer casing.

Referring to Figure 1, a door unit 1 according to the invention comprises a frame 2 formed by a top transverse rail member 3, a middle transverse rail member 4 and a bottom transverse rail member 5 and a vertical connection to the ends of the transverse rail members 3, 4, 5 Side members 6, 7. In use, the door unit 1 can be attached to a cabinet frame that is assembled into a unit or alternatively configured to surround one of the installed Existing display cabinet modifications.

The two upper doors 8, 9 are slidably mounted to the top transverse rail member 3 and the intermediate transverse rail member 4, and the two lower doors 10, 11 are slidably mounted to the intermediate transverse rail member 4 and the bottom transverse rail member 5. Preferably, the upper and lower doors are made of an opaque material (for example, flat or rebuilt wood) or an extruded or molded hard plastic material (such as polyvinyl chloride, PEEK, polyurethane or the like). Made of).

According to the invention, the upper doors 8, 9 and the lower doors 10, 11 are mounted in pairs to the transverse transverse rail members 3, 4, 5, which are comprised of an upper door and a lower door. The pairs of doors 8, 10; 9, 11 slide in respective vertical sliding planes P1, P2 offset from each other. Therefore, as shown in FIGS. 1 and 2A, a first pair consisting of the upper door 9 and the lower door 11 is slidably mounted to a first or front sliding plane P1, as in FIGS. 2B and 3A. As shown, a second pair of upper door 8 and lower door 10 is slidably mounted to a second or rear sliding plane P2. As can be readily understood from Figures 1 and 2, the vertical sliding planes P1 and P2 are parallel and offset such that the upper sliding doors 8, 9 can be along the top transverse rail member 3 and the intermediate transverse direction in their respective sliding planes P1, P2. The rail member 4 slides at the same time. Similarly, the lower doors 10, 11 are allowed to slide over the intermediate transverse rail members 4 and the bottom transverse rail members 5 in their respective planes P1, P2. Preferably, this is achieved by the transverse rail members 3, 4, 5 each comprising two sliding rails, wherein a first or front rail 3a, 4a, 5a (for example) has a typical C-shaped profile to support the forward sliding The doors 9, 11 in the plane P1, and a second or rear rail 3b, 4b, 5b, for example, have a typical C-shaped cross section and are symmetric with the front rail to support the doors 8, 10 in the rear sliding plane P2.

The sliding doors 8, 9, 10, 11 slide on the transverse rail members 3, 4, 5 between the closed position shown in Figure 1 and the open position shown in Figures 2A and 2B. When in the closed position and when the door unit 1 has been assembled to a cabinet, the contents of the cabinet to which the frame 2 is attached are not visible to a consumer.

As shown in FIGS. 3 to 5, in a preferred embodiment of the door unit 1 of the present invention, the sliding doors 8, 9 are provided by two upper small live units and two lower small living units 12. , 10, 11 each It is slidably mounted to the transverse rail members 3, 4, 5. As seen in the figures, each of the small live disk units 12 can be identical and can include a mounting plate or body 121 that is secured to one of the rear surfaces of one of the doors by any suitable member (screw, nail or the like). The support is engaged therewith and is preferably accommodated in one of the rail rails 3a, 4a, 5a and one of the rear rail rails 3b, 4b, 5b. As shown more clearly in Figures 5 and 8, a rear view of one of the door units 1 in one of the closed positions of all of the sliding doors 8, 9, 10, 11 is shown, connected to the door sliding in the same front sliding plane P1 The small and live disk unit 12 of 9, 11 has rollers 122 embedded in the rails 3a, 4a, 5a of the front rail members 3, 4, 5, and connected to the doors 8, 10 which slide in the same rear sliding plane P2. The disk unit 12 has rollers 122 embedded in the tracks 3b, 4b, 5b behind the transverse rail members 3, 4, 5.

It must be understood that the small live disk unit 12 can have a different shape and/or configuration than that depicted and illustrated in the figures. For example, the roller/roller 122 can be secured to a small live disk unit 12 that is assembled into a cross-section of each door or in one of the profiles of each door to improve the tightness of the system, and The small shutter unit is prevented from contacting the goods stored in the cabinet when the door is slid.

According to the present invention and as shown in detail in FIGS. 4 and 6, the door unit 1 further includes a pair of upper and lower doors selectively coupled in each of the rear sliding plane P2 and the front sliding plane P1. Chain structure members 13 of 10 and 9, 11. In a preferred embodiment shown in the figures, the chain structure member 13 is advantageously part of and integral with at least one of the small shutter units 12 of each door and includes a roller 122 on the small live unit 12 The abutting abutment member or blocking member 123 (or another on the side of the small, live disk unit, which can contact the other small, live disk unit while the door is sliding). In order to absorb vibration and noise, after abutting against one of the upper and lower door chain members 13 in the same plane P1, P2, the abutting member is provided with a damping member 14, which preferably includes a rubber or a washer, a sheet or Sleeve or any other soft plastic component.

To ensure selective engagement between the upper and lower doors in the same plane P1, P2, at least one of the upper shutter units 12, 9 in the intermediate transverse rail member 4, and the intermediate transverse rail member At least one small live disk of each of the lower doors 10, 11 sliding in 4 The element 12 must be mounted to the corresponding door such that its abutment members 123 abut against each other in the closed position of the door (see Figures 3A and 5).

Due to the chain structure 13 of the present invention, and (specifically) as seen in Figures 3A-8, when the first of the doors (i.e., one of the lower doors 10, 11 as shown in the figures) is open The chain structure member 13 engages with the second of the doors (i.e., the upper doors 8, 9) to pull it apart. Conversely, when one of the upper doors 8, 9 is open (see Figures 7 and 8), the chain structure 13 is disengaged such that the corresponding pair of lower doors 10, 11 remain closed. Advantageously, according to the invention, the chain structure 13 is configured to hide from one of the users in any of the doors 8, 9, 10, 11 to prevent any alteration thereof and to provide the doors 8, 9, 10, 11 A flat surface is visible before.

It should also be understood that the chain structure between the two doors can be configured in an alternate configuration as shown in the figures such that when the door is open, the lower door is always open.

In addition, components are provided on one or more sliding doors to ensure that the doors automatically close when not in and out. Referring to Figures 3A-8, an example configuration that can be used to achieve this can be secured to one of the rear surface of the door 8 by a drag mechanism 15 in which a rope or cable is tensioned over one of the pulleys 16 on the edge of the door 8, The free end is connected to the nearest edge of the second upper door 9 in the closed position of the door. This configuration ensures that when either of the upper doors 8, 9 is open, this configuration pulls the cord attached to the tow 15 which automatically rewinds the cord once the open door is released or closed by a user. A similar configuration can also be used to automatically reclose the lower doors 10, 11 of the door unit 1.

Other examples of closure mechanisms may include a pivoting weight configuration configured by one of the sliding door configurations in one of the closed positions or one of the sliding doors biased toward a closed position.

As will be appreciated from the above description, the present invention provides a group of cabinet doors that enable a vendor to simply and efficiently meet the change legislation regarding the display of a particular product. The group of cabinet doors also enables a seller to position the product in the most appropriate and consistent manner for circulation and inventory management and to enable the seller to monitor the contents of the cabinet.

1‧‧‧ door unit

2‧‧‧Frame

3‧‧‧Top transverse rail component/transverse rail component/embedded transverse rail component

3a‧‧‧First or front track/front rail track

3b‧‧‧Second or rear track/rear track

4‧‧‧Intermediate transverse rail components/transverse rail components/embedded transverse rail components

4a‧‧‧First or front track/front rail track

4b‧‧‧Second or rear or rear rail

5‧‧‧Bottom transverse rail component/transverse rail component/embedded transverse rail component

5a‧‧‧First or front track/front rail track

5b‧‧‧Second or rear track/rear track

6‧‧‧Vertical side parts

7‧‧‧Vertical side parts

8‧‧‧Home/door/Upper sliding door/sliding door

9‧‧‧Upper door/door/sliding door/sliding door

10‧‧‧Lower/door/sliding door/sliding door

11‧‧‧Lower/door/sliding door/sliding door

12‧‧‧ small live unit

13‧‧‧Chain structure

14‧‧‧damage member

15‧‧‧Dropper mechanism/towing device

16‧‧‧ pulley

121‧‧‧Installation board or main body

122‧‧‧Roller/Roller

123‧‧‧Resist parts

P1‧‧‧Vertical sliding plane/first or front sliding plane

P2‧‧‧Vertical sliding plane/second or rear sliding plane

An example of the present invention will now be described with reference to the accompanying drawings in which: FIG. 1 is a front view of one of two upper sliding doors and two sliding doors according to the present invention; FIG. 2A and FIG. 2B show the unit of FIG. The upper and lower doors are vertically open to each other; FIGS. 3A and 3B show a rear view of one of the door units in the open position shown in each of FIGS. 2A and 2B; FIG. 4 is shown in the open position of FIG. An enlarged view of one of the link mechanisms between the upper and lower doors of the unit; FIG. 5 shows a rear view of the unit of FIG. 1 with the door in the closed position; and FIG. 6 shows the unit in the closed position of FIG. An enlarged view of one of the link mechanisms between the upper door and the lower door; FIGS. 7 and 8 each show a front view and a rear view of the door of FIG. 1, wherein only one of the doors is in an open position, and the other closure.

Claims (13)

A door unit for displaying a cabinet, the door unit comprising: a frame for holding at least one upper sliding door and a sliding door in use; and a chain structure for selectively coupling the two a door such that when the first one of the doors is open, the chain structure engages the second of the doors to pull it apart, and when the second one of the doors is open, The chain structure is disengaged such that the first door remains closed, wherein the chain structure is configured to be hidden from a user, wherein the chain structure includes an abutment member that is configured to be the sliding door The first ones are abutted against each other when open to simultaneously open the second one of the sliding doors, and are not engaged when the second one of the sliding doors is open, so that the first ones of the sliding doors Closed, wherein the abutting members are attached to the at least one first small live disk unit slidably mounted to the first one of the sliding doors and attached to the sliding door The second person is integrated via at least one second small live disk unit slidably mounted to the frame. The unit of claim 1, wherein the doors are configured such that they are slid in the same direction. A unit of claim 1 or 2, wherein at least the upper sliding door and the sliding door are configured to slide in the same vertical plane. The unit of claim 3, wherein the chain structure is also joined in the same vertical plane as the sliding plane of the doors. The unit of claim 1 or 2, wherein the chain structure is respectively mounted to the rear side of the upper sliding door and the sliding door, or to the longitudinal section of the upper sliding door and the sliding door respectively, so that They are hidden from a user when the door unit is mounted to a cabinet. The unit of claim 1 or 2, wherein the small unit is included in the box A roller or roller of a common rail in the frame is preferably positioned between the upper door and the lower door. The unit of claim 6 wherein the rollers or rollers of each of the small, live disk units are mounted to the same track of one of the tracks, the track preferably having a substantially C-shaped cross-section. The unit of claim 7, wherein the rail is provided in one of the transverse rail members of the frame, the transverse rail member being positioned between the at least upper sliding door and the sliding door, and in the two sliding doors The same in the vertical sliding plane. The unit of claim 1 or 2, wherein the abutment members of the chain structure comprise a damping member to absorb shock and noise after engagement. The unit of claim 9, wherein the damping members are preferably rubber or crucible washers, sheets or sleeves or any other soft plastic element. A unit of claim 1 or 2, wherein the frame is configured such that it can be retrofitted on a standard display cabinet. The unit of claim 1 or 2 further includes one or more door closing mechanisms to enable one or more of the doors to automatically close. A display cabinet comprising an outer casing containing one or more shelves, and further comprising a unit as claimed in any one of claims 1 to 12 remaining on the outer casing.