Novel door-in-door structure

Abstract

The utility model belongs to the technical field of doors, and particularly relates to a novel door-in-door structure which comprises a main door leaf and an auxiliary door leaf, the auxiliary door leaf comprises a door body and a ventilation door, the door body is provided with a ventilation opening, the ventilation door is movably arranged in the ventilation opening, the main door leaf is provided with an installation opening, the side edge of the door body is provided with an installation part, and the door body is located in the installation opening. An installation part on the side edge of the door body is located over the main door leaf, a fixing plate is arranged on the bottom face of the installation part in a protruding mode, the bottom end of the fixing plate can abut against the upper surface of the main door leaf, a buckling plate is formed on the main door leaf in a protruding mode, one end of the buckling plate faces the installation opening and is located at the opening of the installation opening, and a buckling part is arranged on the bottom face of the installation part. The main door leaf and the auxiliary door leaf are installed together through a buckle structure, the main door leaf and the auxiliary door leaf are installed together, installation is more convenient, and the assembly efficiency of workers can be improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to door technical field, and particularly point to a novel door-in-door structure. BACKGROUND

[0002] Door-in-door refers to setting a small door in the original main door leaf, and the small door is usually provided with a screen window to facilitate ventilation when needed. This design can maintain the anti-theft function while increasing the ventilation effect, and is widely used in places requiring ventilation and anti-theft function, such as residential buildings and industrial plants.

[0003] The door-in-door structure on the market is fixedly installed in the opening of the large door leaf by screws. This assembly structure requires workers to first place the small door leaf into the opening of the large door leaf, so that the convex edges around the small door leaf abut against the large door leaf. At this time, the through hole on the extension edge is aligned with the screw hole on the large door leaf, and the worker then screws the screw into the threaded hole to complete the installation of the door-in-door. This structure for assembling the door-in-door by screws is relatively complex, greatly reducing the assembly efficiency of the workers. Moreover, after the door-in-door is assembled, the top end of the screw is exposed on the surface of the door-in-door, reducing the aesthetic appearance of the door-in-door. SUMMARY

[0004] The utility model aims to provide a simple structure, which installs the main door leaf and the auxiliary door leaf together through the buckle structure, is more convenient to install, can increase the assembly efficiency of the workers, and makes the installed door-in-door more beautiful.

[0005] The utility model is implemented in the following manner:

[0006] A novel door-in-door structure, comprising a main door leaf and an auxiliary door leaf arranged in the main door leaf, wherein the auxiliary door leaf comprises a door body and a ventilation door movably arranged on the door body, a ventilation opening is formed in the door body, the ventilation door is movably arranged in the ventilation opening, and driving the ventilation door to move can open the ventilation opening; an installation opening is formed in the main door leaf; a side edge of the door body is provided with an installation part; the door body is located in the installation opening; the installation part of the side edge of the door body is located directly above the main door leaf; a fixed plate is protruded on the bottom surface of the installation part; the bottom end of the fixed plate can abut against the upper surface of the main door leaf; a buckle plate is protruded on the main door leaf; one end of the buckle plate faces the installation opening and is located at the opening of the installation opening; a buckle part is arranged on the bottom surface of the installation part; the buckle part is away from the fixed plate; the buckle part corresponds to the buckle plate in position and is provided with a buckle groove; and one end of the buckle plate extends into the buckle groove and is clamped with the buckle part, so that the door body is fixedly installed in the installation opening.

[0007] Further, a abutting inclined surface is arranged on the side surface of the buckle part.

[0008] Further, the mounting portion is annularly arranged on the door body, the buckle groove is annularly arranged on the mounting portion, the buckle plate on the main door leaf is annularly arranged at the opening of the mounting port, and the buckle plate comprises left and right symmetrically arranged left and right buckle plates and upper and lower symmetrically arranged upper and lower buckle plates, and the left buckle plate is connected with the upper and lower buckle plates, and the right buckle plate is connected with the upper and lower buckle plates.

[0009] Further, the upper and lower ends of the ventilation port are respectively provided with upper and lower guide grooves, and the upper and lower ends of the ventilation door are respectively slidably arranged in the upper and lower guide grooves, and the upper guide groove is provided with a guide rail, and the upper end of the ventilation door is provided with a sliding block, and the sliding block is slidably arranged on the guide rail.

[0010] Further, the mounting port is provided with a mounting plate, the back surface of the door body can be attached to the mounting plate, the mounting plate is provided with an anti-theft port, the anti-theft port corresponds to the position of the ventilation port, and the anti-theft port is provided with an anti-theft net.

[0011] Further, the back surface of the door body and the mounting plate are provided with a sound-absorbing plate.

[0012] Further, the ventilation door is provided with a sliding groove on the right side surface, the lock hook is exposed outside the door body through the sliding groove, the right side inner wall of the mounting port is provided with a locking groove, and the lock hook can pass through the sliding groove and enter the locking groove to be clamped with the main door leaf.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] The utility model belongs to door technical field, especially point to a novel door in door structure, including main door leaf and the vice door leaf of setting in main door leaf, and vice door leaf is by door body and the ventilation door of setting on door body, the ventilation opening on door body can make the air of outdoor enter to indoor smoothly, thereby reach the effect of ventilation, when the worker wants to open the ventilation opening, the worker can pass through moving ventilation door to make the ventilation opening open at this time, because there is the mounting hole on main door leaf, the side of door body has the mounting portion, when door body is located in mounting hole, the mounting portion of door body side is located the top of main door leaf at this time, and the bottom surface of mounting portion is provided with fixed plate, when door body is located in mounting hole, the bottom of fixed plate and the upper surface of main door leaf abut at this time, thereby can effectively limit door body to move in mounting hole, make door body install to mounting hole after more stable firm, and the buckle plate of convex forming on main door leaf one end faces mounting hole and is located the opening of mounting hole, and the bottom surface of mounting portion has buckle portion, buckle portion is away from fixed plate, and the position of buckle portion corresponds with buckle plate, and buckle groove is seted up on buckle portion, and one end of buckle plate is inserted into buckle groove and is connected with buckle portion, thereby make door body fixed installation to mounting hole, compared with the door in door on the market, all through screw and fix the small door leaf to install to the opening in the middle of big door leaf, this kind of assembly structure is more complex, greatly reduced the assembly efficiency of worker, and after the assembly of door in door, the top of screw exposes on the surface of door in door, reduces the aesthetic property of door in door, and the utility model worker installs vice door leaf to main door leaf at the time, the worker only needs to tilt one side of door body first, makes the mounting portion of door body side tilt and abuts on the upper surface of main door leaf, the bottom of fixed plate will abut with the upper surface of main door leaf at this time, and buckle plate is located below buckle portion, the worker then slowly lays flat door body to main door leaf direction at this time, and door body will enter into mounting hole, when door body enters into mounting hole to a certain degree, the outer wall of buckle portion will abut with one end of buckle plate at this time, and the worker will extrude buckle plate after pressing door body and moving downward, make buckle plate change a certain deformation, when door body enters into mounting hole completely, buckle plate will enter into the buckle groove of buckle portion and be connected with buckle portion at this time, and the bottom of fixed plate that the bottom surface of mounting portion is provided with abuts with the upper surface of main door leaf, thereby make door body through buckle plate and buckle groove and be installed to main door leaf, do not need through screw and can install vice door leaf and main door leaf together after, will not because the top of screw exposes on the surface of door in door after the assembly of door in door, and the aesthetic property of door in door is reduced, can improve the aesthetic property of door in door, and this kind of installation mode is more convenient and fast, operation is simpler, can greatly accelerate the assembly speed of worker. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the three-dimensional Figure 1 .

[0016] Figure 2is the three-dimensional Figure 2 .

[0017] Figure 3 is the state reference drawing of the ventilation opening of the utility model.

[0018] Figure 4 is the explosion drawing of the main door leaf and the auxiliary door leaf of the utility model.

[0019] Figure 5 is the explosion drawing of the main door leaf and the anti-theft net and the sound-absorbing plate of the utility model.

[0020] Figure 6 is the structural schematic view of the main door leaf of the utility model.

[0021] Figure 7 is the three-dimensional view of the main door leaf of the utility model.

[0022] Figure 8 is the explosion drawing of the door body and the ventilation door of the utility model.

[0023] Figure 9 is the three-dimensional view of the door body of the utility model.

[0024] Figure 10 is the explosion drawing of the ventilation door and the sliding door lock of the utility model.

[0025] Figure 11 is Figure 10 the local enlarged view of G in the middle.

[0026] Figure 12 is the sectional view of the auxiliary door leaf of the utility model.

[0027] Figure 13 is Figure 12 the local enlarged view of M in the middle.

[0028] Figure 14 is the structural schematic view of the auxiliary door leaf of the utility model.

[0029] Figure 15 is Figure 14 the local enlarged view of E in the middle.

[0030] Figure 16 is Figure 14 the local enlarged view of F in the middle.

[0031] Figure 17 is the sectional view of the utility model Figure 1 .

[0032] Figure 18 is Figure 17 the local enlarged view of C in the middle.

[0033] Figure 19 isFigure 17 Enlarged view of the portion D.

[0034] Figure 20 is the sectional view of the utility model Figure 2 .

[0035] Figure 21 is Figure 20 Enlarged view of the portion B.

[0036] Figure 22 is Figure 20 Enlarged view of the portion A.

[0037] Meaning represented by the reference signs in the figure:

[0038] 1-main door leaf; 2-secondary door leaf; 3-door body; 4-ventilation door; 5-ventilation opening; 6-mounting opening;

[0039] 7-mounting portion; 8-fixing plate; 9-buckling plate; 10-buckling portion; 11-buckling groove;

[0040] 12-abutment inclined surface; 13-upper buckling plate; 14-lower buckling plate; 15-left buckling plate;

[0041] 16-right buckling plate; 17-gap; 18-upper guide channel; 19-lower guide channel; 20-guide rail;

[0042] 21-sliding block; 22-mounting plate; 23-anti-theft opening; 24-anti-theft net; 25-silencing plate;

[0043] 26-pushing and pulling door lock; 27-control device; 28-sliding channel; 29-locking channel; 30-locking hook. DETAILED DESCRIPTION

[0044] The utility model will be further described in combination with specific embodiments:

[0045] The utility model belongs to door technical field, especially a new type door -in -door structure, including main door leaf 1 and the vice door leaf 2 of setting in main door leaf 1, and vice door leaf 2 is by door body 3 and the ventilation door 4 of setting in motion on door body 3, the ventilation opening 5 on door body 3, the air of outdoor can smoothly enter to indoor, thereby reaches the effect of ventilation, when worker wants to open ventilation opening 5, worker can pass through moving ventilation door 4 to make ventilation opening 5 open at this time, because there is mounting port 6 on main door leaf 1, the side of door body 3 has mounting portion 7, when door body 3 is located in mounting port 6, the mounting portion 7 of door body 3 side at this time is located in the just above of main door leaf 1, and the bottom surface of mounting portion 7 is protrudingly provided with fixed plate 8, when door body 3 is located in mounting port 6, the bottom end of fixed plate 8 at this time is in abutment with the upper surface of main door leaf 1, thereby can effectively limit door body 3 to move in mounting port 6, make door body 3 install to be more stable firm after in mounting port 6, and the buckle plate 9 of protruding forming on main door leaf 1 one end is towards mounting port 6 and is located in the opening of mounting port 6, and the bottom surface of mounting portion 7 has buckle portion 10, buckle portion 10 is away from fixed plate 8, and buckle portion 10 and the position of buckle plate 9 correspond, and buckle portion 10 is provided with buckle slot 11, and one end of buckle plate 9 is inserted into buckle slot 11 and is buckled with buckle portion 10, thereby make door body 3 fixedly install to be in mounting port 6, compared with the door -in -door on the market, all through screw the small door leaf is fixedly installed to the opening in the middle of big door leaf, this kind of assembly structure is more complex, greatly reduces the assembly efficiency of worker, and after door -in -door assembly is completed, the top end of screw is exposed on the surface of door -in -door, reduces the aesthetic property of door -in -door, and when worker installs vice door leaf 2 to main door leaf 1, worker only needs to tilt one side of door body 3 first, make the mounting portion 7 of door body 3 side tilt and abut on the upper surface of main door leaf 1, the bottom end of fixed plate 8 at this time will be in abutment with the upper surface of main door leaf 1, and buckle plate 9 is located below buckle portion 10, worker then slowly lays flat door body 3 towards main door leaf 1 direction at this time, door body 3 will enter mounting port 6, when door body 3 enters mounting port 6 to a certain degree, the outer wall of buckle portion 10 at this time will be in abutment with one end of buckle plate 9, worker presses door body 3 and moves downward after extruding buckle plate 9, make buckle plate 9 occur certain deformation, when door body 3 completely enters mounting port 6, buckle plate 9 at this time will enter the buckle slot 11 of buckle portion 10 and be buckled with buckle portion 10, and the bottom end of fixed plate 8 that protrudes on the bottom surface of mounting portion 7 will be in abutment with the upper surface of main door leaf 1, thereby make door body 3 be buckled and install to main door leaf 1 through buckle plate 9 and buckle slot 11, without through screw, vice door leaf 2 and main door leaf 1 can be installed together, after not because door -in -door assembly is completed, the top end of screw is exposed on the surface of door -in -door, and the aesthetic property of door -in -door is reduced, can improve the aesthetic property of door -in -door, and this kind of installation mode is more convenient and fast, operation is simpler, can greatly speed up the assembly speed of worker.

[0046] Preferably, the side of the buckle part 10 is provided with an abutting inclined surface 12; when the worker slowly lays the door body 3 towards the main door leaf 1, the door body 3 will enter the installation opening 6, when the door body 3 enters the installation opening 6 to a certain extent, at this time the abutting inclined surface 12 of the side of the buckle part 10 will abut against one end of the buckle plate 9, and after the worker presses the door body 3 to move downwards, the buckle plate 9 will be pressed, so that the buckle plate 9 moves upwards along the abutting inclined surface 12 relative to the buckle part 10, and finally the buckle plate 9 enters the buckle groove 11, and the arrangement of the abutting inclined surface 12 enables the buckle plate 9 to enter the buckle groove 11 more smoothly.

[0047] Preferably, the installation part 7 is annularly arranged on the door body 3, the buckle groove 11 is annularly arranged on the installation part 7, the buckle plate 9 on the main door leaf 1 is annularly arranged at the opening of the installation opening 6, and the buckle plate 9 comprises left and right symmetrically arranged left buckle plate 15 and right buckle plate 16, and upper and lower symmetrically arranged upper buckle plate 13 and lower buckle plate 14, and notches 17 are arranged at the connection of the left buckle plate 15 with the upper buckle plate 13 and the lower buckle plate 14, and at the connection of the right buckle plate 16 with the upper buckle plate 13 and the lower buckle plate 14; the buckle plate 9 annularly arranged at the opening of the installation opening 6 is composed of the left buckle plate 15, the right buckle plate 16, the upper buckle plate 13 and the lower buckle plate 14, and the installation part 7 is also annularly arranged on the door body 3, the buckle groove 11 on the installation part 7 is annularly arranged on the installation part 7, and finally when the auxiliary door leaf 2 is installed into the installation opening 6 of the main door leaf 1, the left buckle plate 15, the right buckle plate 16, the upper buckle plate 13 and the lower buckle plate 14 all enter the buckle groove 11, so that the clamping between the door body 3 and the main door leaf 1 is more stable and firm, so that after the door body 3 is installed to the main door leaf 1, the door body 3 will not fall off the main door leaf 1, and the safety of the door-in-door is improved, and the number of the notches 17 is four, which are located at the four corners of the installation opening 6, and the arrangement of the notches 17 can reduce the material and the manufacturing cost, because during the installation of the auxiliary door leaf 2 into the installation opening 6, the left buckle plate 15, the right buckle plate 16, the upper buckle plate 13 and the lower buckle plate 14 need to be deformed, and the notches 17 can reduce the overall length of the left buckle plate 15, the right buckle plate 16, the upper buckle plate 13 and the lower buckle plate 14, so that the worker can spend less labor during assembly, and the left buckle plate 15, the right buckle plate 16, the upper buckle plate 13 and the lower buckle plate 14 can be deformed, so that the effect of saving labor is achieved.

[0048] Preferably, the upper and lower ends of the ventilation opening 5 are respectively provided with an upper guide channel 18 and a lower guide channel 19, the upper and lower ends of the ventilation door 4 are respectively slidingly arranged in the upper guide channel 18 and the lower guide channel 19, the upper guide channel 18 is provided with a guide rail 20, the upper end of the ventilation door 4 is provided with a sliding block 21, and the sliding block 21 is slidingly arranged on the guide rail 20; the upper and lower ends of the ventilation door 4 are respectively slidingly arranged in the upper guide channel 18 and the lower guide channel 19, so that the ventilation door 4 can move in the ventilation opening 5, and the sliding block 21 at the upper end of the ventilation door 4 is slidingly connected with the guide rail 20 in the upper guide channel 18, so that the moving direction of the ventilation door 4 does not deviate during the pushing and pulling process, and the ventilation door 4 can be more labor-saving during the pushing and pulling process.

[0049] Preferably, the mounting opening 6 is provided with a mounting plate 22, the back surface of the door body 3 can be attached to the mounting plate 22, the mounting plate 22 is provided with an anti-theft opening 23, the anti-theft opening 23 corresponds to the position of the ventilation opening 5, and the anti-theft opening 23 is provided with an anti-theft net 24; when the door body 3 is mounted in the mounting opening 6, the back surface of the door body 3 is attached to the mounting plate 22 in the mounting opening 6, so as to achieve a certain supporting effect on the door body 3, and the anti-theft opening 23 on the mounting plate 22 corresponds to the position of the ventilation opening 5, so that when the user opens the ventilation opening 5, the outdoor wind can enter the indoor through the anti-theft opening 23 and the ventilation opening 5, and the anti-theft net 24 is arranged in the anti-theft opening 23, most of the doors on the market are also provided with such anti-theft net 24, so as to ensure that when the ventilation opening 5 is opened, outsiders cannot enter the indoor through the ventilation opening 5, thereby achieving the effect of preventing theft.

[0050] Preferably, the back surface of the door body 3 and the mounting plate 22 are provided with a sound-absorbing plate 25; the sound-absorbing plate 25 is a common plate in the door body 3 on the market, which can reduce noise and improve indoor environment.

[0051] Preferably, the ventilation door 4 is provided with a sliding door lock 26, the sliding door lock 26 is provided with a lock hook 30 and a control device 27 for controlling the up and down movement of the lock hook 30, the right side surface of the ventilation door 4 is provided with a sliding groove 28, the lock hook 30 is exposed outside the door body 3 through the sliding groove 28, the right side inner wall of the mounting port 6 is provided with a locking groove 29, the lock hook 30 can pass through the sliding groove 28 and enter the locking groove 29 to be clamped with the main door leaf 1; the sliding door lock 26 is a common device on the market, which is a movable sliding door hook lock, and the sliding door lock 26 is provided with the lock hook 30 and the control device 27 for controlling the up and down movement of the lock hook 30, the lock hook 30 passes through the sliding groove 28 on the right side surface of the ventilation door 4 and the locking groove 29 on the right side inner wall of the mounting port 6 to be clamped with the main door leaf 1, at this time, the user cannot pull the ventilation door 4 to move, when the user wants to pull the ventilation door 4 to move to open the ventilation port 5, the user can control the lock hook 30 to move downward along the sliding groove 28 and the locking groove 29 through the control device 27, so that the lock hook 30 is disengaged from the main door leaf 1, thereby enabling the ventilation door 4 to be pulled smoothly.

[0052] The above embodiments are only preferred embodiments of the present application, and do not limit the protection scope of the present application, therefore: any equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A new type of door-in-door structure comprising a main door leaf (1) and a secondary door leaf (2) arranged inside the main door leaf (1), characterized in that: The auxiliary door leaf (2) comprises a door body (3) and a ventilation door (4) movably arranged on the door body (3), the door body (3) is provided with a ventilation opening (5), the ventilation door (4) is movably arranged in the ventilation opening (5), and driving the ventilation door (4) to move can open the ventilation opening (5); the main door leaf (1) is provided with a mounting opening (6), the side edge of the door body (3) is provided with a mounting portion (7), the door body (3) is located in the mounting opening (6), the mounting portion (7) of the side edge of the door body (3) is located directly above the main door leaf (1), the bottom surface of the mounting portion (7) is provided with a fixing plate (8), the bottom end of the fixing plate (8) can abut against the upper surface of the main door leaf (1), the main door leaf (1) is protrusively formed with a buckle plate (9), one end of the buckle plate (9) faces the mounting opening (6) and is located at the opening of the mounting opening (6), the bottom surface of the mounting portion (7) is provided with a buckle portion (10), the buckle portion (10) is away from the fixing plate (8), and the buckle portion (10) corresponds to the position of the buckle plate (9) and is provided with a buckle groove (11), one end of the buckle plate (9) extends into the buckle groove (11) and is buckled with the buckle portion (10), so that the door body (3) is fixedly installed in the mounting opening (6).

2. A novel door-in-door structure according to claim 1, characterized in that: The side surface of the buckle portion (10) is provided with an abutting inclined surface (12).

3. A novel door-in-door structure according to claim 1, characterized in that: The mounting portion (7) is annularly arranged on the door body (3), the buckle groove (11) is annularly arranged on the mounting portion (7), the buckle plate (9) on the main door leaf (1) is annularly arranged at the opening of the mounting opening (6), and the buckle plate (9) comprises left and right buckle plates (15) and (16) and upper and lower buckle plates (13) and (14) which are symmetrically arranged, and the left buckle plate (15) and the upper and lower buckle plates (13) and (14) and the right buckle plate (16) and the upper and lower buckle plates (13) and (14) are all provided with notches (17).

4. A new door-in-door structure according to any one of claims 1-3, characterized in that: The upper and lower ends of the ventilation opening (5) are respectively provided with upper and lower guide grooves (18) and (19), the upper and lower ends of the ventilation door (4) are respectively slidably arranged in the upper and lower guide grooves (18) and (19), the upper guide groove (18) is provided with a guide rail (20), and the upper end of the ventilation door (4) is provided with a sliding block (21) which is slidably arranged on the guide rail (20).

5. A new door-in-door structure according to any one of claims 1-3, characterized in that: The mounting opening (6) is provided with a mounting plate (22), the back surface of the door body (3) can be attached to the mounting plate (22), the mounting plate (22) is provided with an anti-theft opening (23) corresponding to the position of the ventilation opening (5), and the anti-theft opening (23) is provided with an anti-theft net (24).

6. A novel door-in-door structure according to claim 4, characterized in that: The back surface of the door body (3) and the mounting plate (22) are provided with a soundproof plate (25).

7. A new door-in-door structure according to any one of claims 1-3, characterized in that: The ventilation door (4) is provided with a sliding door lock (26), the sliding door lock (26) is provided with a lock hook (30) and a control device (27) for controlling the up and down movement of the lock hook (30), the right side surface of the ventilation door (4) is provided with a sliding groove (28), the lock hook (30) passes through the sliding groove (28) and is exposed outside the door body (3), the right side inner wall of the mounting port (6) is provided with a locking groove (29), and the lock hook (30) can pass through the sliding groove (28) and enter the locking groove (29) to be connected with the main door leaf (1).

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