EP4675076A1

EP4675076A1 - Assembled-type door core

Info

Publication number: EP4675076A1
Application number: EP24186438.8A
Authority: EP
Inventors: Liangfen LU
Original assignee: Zhejiang Tilanco Industry & Trade Group Co Ltd
Current assignee: Zhejiang Tilanco Industry & Trade Group Co Ltd
Priority date: 2024-07-04
Filing date: 2024-07-04
Publication date: 2026-01-07

Abstract

The present utility model provides an assembled-type door core, including a hinge edge door core assembly module, a lock edge door core assembly module, and several cross beams connected between the hinge edge door core assembly module and the lock edge door core assembly module, where a first slot for insertion of the cross beam is arranged at a corresponding position of the hinge edge door core assembly module and the lock edge door core assembly module, and after the cross beam is inserted into the hinge edge door core assembly module and the lock edge door core assembly module, the cross beam is assembled and fixed by a fastener. According to the present utility model, the door core is made into a plurality of parts for assembly, so that the door core can be conveniently transported.

Description

TECHNICAL FIELD

The present utility model relates to the technical field of doors, and in particular, to a door core of a door.

BACKGROUND

The door core of the existing door is a whole, is inconvenient to carry, and the sizes of the doors on the market are different, and the sizes of the door cores required for the doors of different sizes need to be additionally arranged and cannot be unified. For example, the application publication number CN113482499A discloses a bending punch forming anti-theft door and a preparation method thereof. The anti-theft door core is a whole. During handling, due to the large size of a product, it is difficult to handle. In addition, the size of the door core of the anti-theft door is fixed. If doors of different specifications are required, the door cores of corresponding specifications need to be manufactured, and the cost is high.

SUMMARY

A technical problem to be solved by the present utility model is how to design a door core, thereby facilitating the handling of the door core.
To achieve the above objectives, the present utility model provides a technical solution as follows:
an assembled-type door core, including a hinge edge door core assembly module, a lock edge door core assembly module, and several cross beams connected to the hinge edge door core assembly module, or connected to the lock edge door core assembly module, or connected between the hinge edge door core assembly module and the lock edge door core assembly module, where a first slot for insertion of the cross beam is arranged at a corresponding position of the hinge edge door core assembly module and/or the lock edge door core assembly module, and after the cross beam is inserted into the hinge edge door core assembly module and the lock edge door core assembly module, the cross beam is assembled and fixed by a fastener.
Preferably, a width-direction mounting position adjusting mechanism is arranged between the cross beam and the hinge edge door core assembly module and/or the lock edge door core assembly module.
Preferably, the width-direction position adjusting mechanism includes a row of mounting holes arranged on the cross beam in a transverse direction, and transverse long grooves arranged on a first slot wall of the hinge edge door core assembly module and/or the lock edge door core assembly module; or a row of transverse through holes arranged on a first slot wall of the hinge edge door core assembly module and/or the lock edge door core assembly module, and a width of the whole door core is adjusted by selecting or adjusting a position of the fastener.
Preferably, the assembled-type door core further includes a height-direction assembly module, where a second slot is arranged above and/or below the hinge edge door core assembly module and/or the lock edge door core assembly module, the height-direction assembly module is assembled in the second slot of the hinge edge door core assembly module and/or the lock edge door core assembly module, and the height-direction assembly module at least includes two box bodies with adjustable transverse width, where at least one row of mounting holes are arranged on one box body in the transverse direction, and at least one box body is provided with a long groove arranged in the transverse direction or a row of mounting holes arranged in the transverse direction corresponding to positions of the row of mounting holes.
Preferably, a height-direction position adjusting mechanism is arranged between the hinge edge door core assembly module and/or the lock edge door core assembly module and the height-direction assembly module.
Preferably, the height-direction position adjusting mechanism includes at least one row of mounting holes arranged on the height-direction assembly module in a vertical direction, and vertical long grooves arranged on a second slot wall of the hinge edge door core assembly module and/or the lock edge door core assembly module; or a row of vertical through holes arranged on a second slot wall of the hinge edge door core assembly module and/or the lock edge door core assembly module, and a height of the whole door core is adjusted by selecting or adjusting a position of the fastener.
Preferably, a middle cover is connected to the cross beam.
Preferably, the hinge edge door core assembly module is an integral modular structure formed by bending a steel plate or welding a plurality of steel plates, a mounting hole groove for embedding or mounting of a hinge is reserved at a corresponding position of the hinge edge door core assembly module, the hinge edge door core assembly module includes an upper plate block and a lower plate block, a hinge support frame is arranged at a position where the hinge is connected, the hinge support frame is arranged between the upper plate block and the lower plate block, a support plate is arranged between the upper plate block and the lower plate block, and the support plate is additionally arranged or the support plate is integrated with the upper plate block and/or is integrally arranged with the lower plate block.
Preferably, the lock edge door core assembly module is an integral modular structure formed by bending a steel plate or welding a plurality of steel plates, a space for embedding of a door lock is reserved at a corresponding position of the lock edge door core assembly module, the lock edge door core assembly module includes a cover plate, a bottom plate, a main lock, several auxiliary locks, an explosion-proof lock, and a backing plate for mounting each main lock or auxiliary lock on the bottom plate, wherein a support strip is arranged between the cover plate and the bottom plate, and the support strip is additionally arranged or the support strip is integrated with the cover plate and/or is integrally arranged the bottom plate.
Preferably, inner sides of the lower plate block and the bottom plate in the width direction extend inwards, a transverse long groove or a row of transverse mounting holes is/are arranged on an extension portion, and the middle cover is connected to the long groove or the row of mounting holes of the extension portion by a fastener.
The present utility model has the following beneficial effects: according to the present utility model, the door core is made into a plurality of parts for assembly, so that the door core can be conveniently transported. Since the door core is provided with height-direction position adjustment and width-direction position adjustment, the door core can be assembled into doors of various models, and the door cores of various models do not need to be arranged, and assembly of the door cores of various models can be realized by only one set of all parts, thereby facilitating the management of a factory.

BRIEF DESCRIPTION OF DRAWINGS

FIG. 1 is a schematic diagram of an overall structure of Embodiment 1;
FIG. 2 is an exploded view of a modular structure of Embodiment 1;
FIG. 3 is an exploded structural view of a hinge edge door core assembly module;
FIG. 4 is a schematic structural diagram of a lock edge door core assembly module;
FIG. 5 is an exploded structural view of a lock edge door core assembly module;
FIG. 6 is a schematic structural diagram of a cross beam;
FIG. 7 is a schematic structural diagram of a height-direction assembly module;
FIG. 8 is a perspective view of Embodiment 3; and
FIG. 9 is an exploded structural view of Embodiment 3.

DETAILED DESCRIPTION OF THE EMBODIMENTS

The following clearly and completely describes the technical solutions in the embodiments of the utility model with reference to the accompanying drawings in the embodiments of the utility model. Apparently, the described embodiments are only a part rather than all of the embodiments of the utility model. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

Embodiment 1

Referring to FIG. 1 to FIG. 7, an assembled-type door core is shown in the figures, including a hinge edge door core assembly module 1, a lock edge door core assembly module 2, and several cross beams 3 connected between the hinge edge door core assembly module 1 and the lock edge door core assembly module 2, where a first slot 4 for insertion of the cross beam 3 is arranged at a corresponding position of the hinge edge door core assembly module 1 and the lock edge door core assembly module 2, and after the cross beam 3 is inserted into the hinge edge door core assembly module 1 and the lock edge door core assembly module 2, the cross beam is assembled and fixed by a fastener. The fastener is a screw, a bolt, or a rivet. After the door core is assembled, the door core is coated with a layer of facing layer. A mounting position for mounting of a hinge is reserved on the hinge edge door core assembly module 1, and the hinge can also be directly mounted on the door core, so that the door can be mounted on the door frame more conveniently and quickly, and mounting holes or subsequent punching can be arranged as required. A space for mounting of a lock is arranged in the lock edge door core assembly module 2, and the lock is directly mounted in the space when the door core is assembled.
In order to achieve width adjustment of the door core to adapt to different sizes of door frames, in this embodiment, a width-direction mounting position adjusting mechanism is arranged between the cross beam 3 and the hinge edge door core assembly module 1 and/or the lock edge door core assembly module 2. The width-direction position adjusting mechanism includes a row of mounting holes arranged on the cross beam 3 in a transverse direction, and transverse long grooves 5 arranged on a first slot wall 4 of the hinge edge door core assembly module 1 and/or the lock edge door core assembly module 2; or a row of transverse through holes arranged on a first slot wall 4 of the hinge edge door core assembly module 1 and/or the lock edge door core assembly module 2, and a width of the whole door core is adjusted by selecting or adjusting a position of the fastener.
In order to achieve height adjustment of the door core, a height-direction assembly module 8 is further included. A second slot 6 is arranged above and/or below the hinge edge door core assembly module 1 and/or the lock edge door core assembly module 2, and the height-direction assembly module is assembled in the second slot 6 of the hinge edge door core assembly module 1 and/or the lock edge door core assembly module 2. The height-direction assembly module at least includes two box bodies with adjustable transverse width, where at least one row of mounting holes are arranged on one box body in the transverse direction, and at least one box body is provided with a long groove arranged in the transverse direction or a row of mounting holes arranged in the transverse direction corresponding to positions of the row of mounting holes. In this embodiment, there are three box bodies, including a box body 81 in the middle and box bodies 82 at two ends. The box body in the middle is provided with two rows of mounting holes, and the box bodies at the two ends are both provided with transverse long grooves corresponding to a position of the box body in the middle. In this embodiment, the box bodies at the two ends are connected to the two ends of the box body in the middle in a sleeving manner respectively, and are mounted in the corresponding mounting holes by fasteners for fixation.
A height-direction position adjusting mechanism is arranged between the hinge edge door core assembly module 1 and/or the lock edge door core assembly module and the height-direction assembly module 2. The height-direction position adjusting mechanism includes at least one row of mounting holes arranged on the height-direction assembly module in a vertical direction, and vertical long grooves 5 arranged on a second slot 6 wall of the hinge edge door core assembly module 1 and/or the lock edge door core assembly module 2; or a row of vertical through holes arranged on a second slot 6 wall of the hinge edge door core assembly module 1 and/or the lock edge door core assembly module 2, and a height of the whole door core is adjusted by selecting or adjusting a position of the fastener. According to the embodiment, the width-direction position adjusting mechanism and the height-direction position adjusting mechanism are used for achieving height-width adjustment of the whole door core, so that the door core can adapt to a large-range door frame.
The hinge edge door core assembly module 1 is an integral modular structure formed by bending a steel plate or welding a plurality of steel plates. In this embodiment, the hinge edge door core assembly module includes an upper plate block 11 and a lower plate block 12, a hinge support frame 13 is arranged at a position where the hinge is connected, the hinge support frame 13 is arranged between the upper plate block 11 and the lower plate block 12, a support plate is arranged between the upper plate block and the lower plate block, and the support plate is additionally arranged or the support plate is integrated with the upper plate block and/or is integrally arranged with the lower plate block. In this embodiment, an inner side of the upper plate block is integrally bent to form the support plate, and the support plate 14 is connected to an outer side of the lower plate block and an outer side of the upper plate block, and after the hinge is connected, the hinge support frame 13 can improve the strength of a hinge connection. In the embodiment, the main body of the hinge support frame is of a U-shaped structure and is bent at the two ends to form a mounting portion, and the mounting portion is fixed to the lower plate block by a fastener or welding. The fastener may also be a screw, a bolt or a rivet.
The lock edge door core assembly module 2 is an integral modular structure formed by bending a steel plate or welding a plurality of steel plates. In this embodiment, the lock edge door core assembly module includes a cover plate 21, a bottom plate 22, a main lock 23, several auxiliary locks 24, an explosion-proof lock 26, and a backing plate 25 for mounting each main lock or auxiliary lock on the bottom plate 22. In order to form a space between the cover plate and the bottom plate, a support strip 27 is arranged between the cover plate 21 and the bottom plate 22, and the support strip 27 is additionally arranged or the support strip is integrated with the cover plate and/or is integrally arranged the bottom plate. In this embodiment, the cover plate and the support strip 27 on an outer side of the bottom plate are additionally arranged, an upper end and a lower end of the support strip are fixedly connected to the cover plate and the bottom plate respectively, and may be fixedly connected by welding or a fastener, and the fastener may be a screw, a bolt, a rivet or the like. According to the embodiment, the cover plate and the support strip 27 on an inner side of the bottom plate are integrally bent and formed with the cover plate. In this embodiment, optionally, the door core may be assembled in a factory, or assembled on site and then coated with a facing layer.
In this embodiment, inner sides of the lower plate block 12 and the bottom plate 22 in the width direction extend inwards, a transverse long groove or a row of transverse mounting holes is/are arranged on an extension portion, and the middle cover is connected to the long groove or the row of mounting holes of the extension portion by a fastener, so that the middle cover can cooperate with the lower plate block and the bottom plate to achieve full shielding along with the change of the width of the door core.

Embodiment 2

The difference between this embodiment and embodiment 1 lies in that: in this embodiment, one end of the cross beam can further be fixed to one of the hinge edge door core assembly module 1 and the lock edge door core assembly module 2, the other end of the cross beam is a free end, and the width of the door core is adjusted by adjusting a position of the free end. When this solution is adopted, the first slot 4 at the position corresponding to the hinge edge door core assembly module 1 or the lock edge door core assembly module 2 at the fixed end of the cross beam may not be arranged.

Embodiment 3

Referring to FIG. 8 and FIG. 9, the difference between this embodiment and embodiment 1 lies in that: in this embodiment, a middle cover 7 is connected to the cross beam 3. The middle cover 7 is a plate body, and may be arranged on one side or both sides of the cross beam 3 as required, so that the strength of the door core is improved. The middle cover 7 and the cross beam 3 are connected or welded by a fastener, and the fastener may also be a screw, a bolt or a rivet.

Claims

An assembled-type door core, comprising a hinge edge door core assembly module, a lock edge door core assembly module, and several cross beams connected to the hinge edge door core assembly module, or connected to the lock edge door core assembly module, or connected between the hinge edge door core assembly module and the lock edge door core assembly module, wherein a first slot for insertion of the cross beam is arranged at a corresponding position of the hinge edge door core assembly module and/or the lock edge door core assembly module, and after the cross beam is inserted into the hinge edge door core assembly module and the lock edge door core assembly module, the cross beam is assembled and fixed by a fastener.
The assembled-type door core according to claim 1, wherein a width-direction mounting position adjusting mechanism is arranged between the cross beam and the hinge edge door core assembly module and/or the lock edge door core assembly module.
The assembled-type door core according to claim 2, wherein the width-direction position adjusting mechanism comprises a row of mounting holes arranged on the cross beam in a transverse direction, and transverse long grooves arranged on a first slot wall of the hinge edge door core assembly module and/or the lock edge door core assembly module; or a row of transverse through holes arranged on a first slot wall of the hinge edge door core assembly module and/or the lock edge door core assembly module, and a width of the whole door core is adjusted by selecting or adjusting a position of the fastener.
The assembled-type door core according to claim 1, 2 or 3, wherein the assembled-type door core further comprises a height-direction assembly module, wherein a second slot is arranged above and/or below the hinge edge door core assembly module and/or the lock edge door core assembly module, the height-direction assembly module is assembled in the second slot of the hinge edge door core assembly module and/or the lock edge door core assembly module, and the height-direction assembly module at least comprises two box bodies with adjustable transverse width, wherein at least one row of mounting holes are arranged on one box body in the transverse direction, and at least one box body is provided with a long groove arranged in the transverse direction or a row of mounting holes arranged in the transverse direction corresponding to positions of the row of mounting holes.
The assembled-type door core according to claim 4, wherein a height-direction position adjusting mechanism is arranged between the hinge edge door core assembly module and/or the lock edge door core assembly module and the height-direction assembly module.
The assembled-type door core according to claim 5, wherein the height-direction position adjusting mechanism comprises at least one row of mounting holes arranged on the height-direction assembly module in a vertical direction, and vertical long grooves arranged on a second slot wall of the hinge edge door core assembly module and/or the lock edge door core assembly module; or a row of vertical through holes arranged on a second slot wall of the hinge edge door core assembly module and/or the lock edge door core assembly module, and a height of the whole door core is adjusted by selecting or adjusting a position of the fastener.
The assembled-type door core according to claim 1, wherein a middle cover is connected to the cross beam.
The assembled-type door core according to claim 7, wherein the hinge edge door core assembly module is an integral modular structure formed by bending a steel plate or welding a plurality of steel plates, a mounting hole groove for embedding or mounting of a hinge is reserved at a corresponding position of the hinge edge door core assembly module, the hinge edge door core assembly module comprises an upper plate block and a lower plate block, a hinge support frame is arranged at a position where the hinge is connected, the hinge support frame is arranged between the upper plate block and the lower plate block, a support plate is arranged between the upper plate block and the lower plate block, and the support plate is additionally arranged or the support plate is integrated with the upper plate block and/or is integrally arranged with the lower plate block.
The assembled-type door core according to claim 8, wherein the lock edge door core assembly module is an integral modular structure formed by bending a steel plate or welding a plurality of steel plates, a space for embedding of a door lock is reserved at a corresponding position of the lock edge door core assembly module, the lock edge door core assembly module comprises a cover plate, a bottom plate, a main lock, several auxiliary locks, an explosion-proof lock, and a backing plate for mounting each main lock or auxiliary lock on the bottom plate, wherein a support strip is arranged between the cover plate and the bottom plate, and the support strip is additionally arranged or the support strip is integrated with the cover plate and/or is integrally arranged the bottom plate.
The assembled-type door core according to claim 9, wherein inner sides of the lower plate block and the bottom plate in the width direction extend inwards, a transverse long groove or a row of transverse mounting holes is/are arranged on an extension portion, and the middle cover is connected to the long groove or the row of mounting holes of the extension portion by a fastener.