Primary-secondary door

Abstract

The utility model discloses a primary-secondary door which comprises a door frame assembly, a primary door assembly and a secondary door assembly, the first side of the primary door assembly is pivotally connected with the inner wall of the first side of the door frame assembly, and the second side of the secondary door assembly is pivotally connected with the inner wall of the second side of the door frame assembly; the matching surface of the second side of the primary door assembly and the first side of the secondary door assembly is a step surface; and a lock matched with the secondary door assembly is arranged on the primary door assembly. A sealing strip can be installed on any face of the step face, and the connection sealing performance of the step face and the sealing strip can be further improved. The groove is inwards formed in the mother door assembly, the lock is installed in the groove, the hidden door is hinged to the groove, the lock can be hidden, and the anti-theft effect is achieved. Compared with the prior art, the secondary door has the advantages that the secondary door is simple in structure, the sealing performance of the secondary door and the secondary door is improved through matching of the step faces, the sealing performance can be improved by arranging the first sealing gasket on the step faces, the buffering performance can be improved, and the secondary door cannot be injured when the door is closed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of security doors, and particularly relates to a primary-secondary door. BACKGROUND

[0002] For some doorways with a larger width, it is not beautiful enough to install a single door or a double-leaf door, so the door leaf is designed as a primary-secondary structure, the primary door is opened when going out, and the secondary door is opened when transporting large objects such as furniture. However, there is a gap between the existing primary door and the secondary door, so it is very important to obtain a primary-secondary door with close cooperation. SUMMARY

[0003] To solve at least one of the above technical problems, the utility model provides a primary-secondary door, which comprises a door frame assembly, a primary door assembly and a secondary door assembly, the first side of the primary door assembly is pivotally connected to the first side inner wall of the door frame assembly, and the second side of the secondary door assembly is pivotally connected to the second side inner wall of the door frame assembly.

[0004] The cooperation surface of the second side of the primary door assembly and the first side of the secondary door assembly is a stepped surface, and a lock is arranged on the primary door assembly and cooperates with the secondary door assembly.

[0005] The sealing strip can be installed on any surface of the stepped surface, which can further increase the connection sealing property of the two.

[0006] In the above technical solution, a groove is formed in the primary door assembly, and the lock is installed in the groove, and a hidden door is hingedly connected to the groove, so that the lock can be hidden and the effect of preventing theft is achieved.

[0007] The primary door assembly and / or the secondary door assembly comprises at least two first square tubes, the two outer sides of the first square tubes are fixed with first PVC plates, the first PVC plate located indoors is fixed with a first wooden plate, the first PVC plate located outdoors is fixed with a first brass plate, the outer sides of the two first square tubes are fixed with second square tubes, the outer side of one of the second square tubes is provided with a second brass plate, the second brass plate is fixedly connected to the first brass plate, a third brass plate is connected between the first wooden plate and the second brass plate, and a hinge is further included, the two blades of the hinge are fixed with the door frame assembly and the second brass plate respectively.

[0008] The third brass plate is a bevel.

[0009] The outer side of the other second square tube is fixed with a fourth brass plate, the stepped surface is formed on the fourth brass plate, and the fourth brass plate is fixedly connected to the first brass plate and the first wooden plate.

[0010] The second party pipe is recessed to form the groove, the first real copper plate is adaptively matched with the recess, the hidden door is hinged to the outer wall of the first real copper plate, a torsional spring is arranged at the hinge, a lock can be installed in the groove, the lock is hidden, and the anti-theft performance is improved.

[0011] The sub-door assembly and the mother door assembly are symmetrical in structure, and the width of the sub-door assembly is narrower than that of the mother door assembly.

[0012] At least one side of the first side of the sub-door assembly is connected with the door frame assembly through a bolt.

[0013] The door frame assembly comprises a door frame body connected and installed with the inner wall of the installation door hole, and an extension frame is arranged on the circumferential side of the door frame body, and the extension frame is arranged on the outdoor part of the wall where the installation door hole is located. The door frame body is respectively provided with a first limiting piece and a second limiting piece matched with the mother door assembly and the sub-door assembly, and a buffer pad is fixed on the first limiting piece and the second limiting piece. The buffer pad can be made of PU foamed leather. The door frame body is installed to the inner side wall of the installation door hole through an expansion bolt. The door frame body is internally provided with a plurality of galvanized square tubes, and a real copper panel can be fixed on the outside of the door frame body.

[0014] The first real copper plate is fixed with a decorative copper plate, and the decorative copper plate is forged with a pattern.

[0015] Compared with the prior art, the utility model has the advantages that the utility model is simple in structure, the sealing property of the two is increased through the cooperation of the step surfaces, the sealing pad arranged at the step surface can increase the sealing property and the buffering property, and the sub-door is not easily damaged when the door is closed. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view (partially perspective view) of the utility model;

[0017] Figure 2 It is an installation cross-section view of the utility model;

[0018] Figure 3 It is an installation longitudinal section view of the utility model;

[0019] Figure 4 It is a rear view of the utility model;

[0020] Figure 5 It is an enlarged view of A of the utility model; Figure 2

[0021] Figure 6 It is an enlarged view of B of the utility model; Figure 2

[0022] ​​Figure 7 The utility model discloses Figure 2 The enlarged view of C place of the utility model;

[0023] Reference signs:

[0024] 1 door frame assembly;101 installation door hole;102 door frame main part;103 extension frame;104 buffer pad;105 expansion bolt;106 support square tube;107 first limit piece;108 second limit piece;

[0025] 2 mother door assembly;201 step surface;202 lockset;203 recess;204 hidden door;205 first square tube;206 first PVC board;207 first wooden board;208 first real copper plate;209 second square tube;210 second real copper plate;211 first real copper plate;212 third real copper plate;213 fourth real copper plate;214 decorative copper plate;

[0026] 3 sub door assembly;301 bolt;

[0027] 401 hinge. DETAILED DESCRIPTION

[0028] In order to make the person skilled in the art better understand the utility model, so that the scope of protection of the utility model is made more clearly, the utility model is described in detail below with some specific embodiments of the utility model. It should be noted that the following is only some specific embodiments of the utility model concept, and only a part of the embodiments of the utility model, and the specific and direct description of the related structure is only for the convenience of understanding the utility model, and each specific feature does not limit the implementation range of the utility model directly and directly.

[0029] With reference to the drawings, the utility model adopts the following technical scheme, a mother and daughter door, including door frame assembly 1, mother door assembly 2, sub door assembly 3, the first side of the mother door assembly 2 is pivoted with the first side inner wall of door frame assembly 1, the second side of the sub door assembly 3 is pivoted with the second side inner wall of door frame assembly 1;

[0030] The mating surface of the second side of the mother door assembly 2 and the first side of the sub door assembly 3 is step surface 201;The mother door assembly 2 is configured with lockset 202 matched with sub door assembly 3.

[0031] Wherein sealing strips can be installed on any surface of step surface 201, which can further increase the connection sealing property of the two.

[0032] Through the above technical scheme, wherein the recess 203 is opened inward in the mother door assembly 2, the lockset 202 is installed in the recess 203, and the hidden door 204 is hinged on the recess 203, which can hide the lockset 202 and play a role in preventing theft.

[0033] The mother door assembly 2 and / or the sub-door assembly 3 comprises at least two first square tubes 205, both outer sides of the first square tubes 205 are fixed with first PVC plates 206, the first PVC plate 206 located indoors is fixed with a first wooden plate 207, the first PVC plate 206 located outdoors is fixed with a first copper plate 208, the outer sides of the two first square tubes 205 are fixed with second square tubes 209, the outer side of one of the second square tubes 209 is provided with a second copper plate 210, the second copper plate 210 is fixedly connected with the first copper plate 208, a third copper plate 212 is connected between the first wooden plate 207 and the second copper plate 210, and a hinge 4 is further included, both leaves of the hinge 4 are fixed with the door frame assembly 1 and the second copper plate 210 respectively.

[0034] The third copper plate 212 is a bevel.

[0035] The outer side of the other second square tube 209 is fixed with a fourth copper plate 213, the stepped surface 201 is arranged on the fourth copper plate 213, and the fourth copper plate 213 is fixedly connected with the first copper plate 208 and the first wooden plate 207.

[0036] The second square tube 209 is recessed inward to form the groove 203, the first copper plate 208 is adaptively matched with the recess, the hidden door 204 is hinged with the outer wall of the first copper plate 208, a torsional spring is arranged at the hinge, a lock 202 can be installed in the groove 203, the lock 202 is hidden, and the anti-theft performance is improved.

[0037] The sub-door assembly 3 and the mother door assembly 2 are symmetrical in structure, and the width of the sub-door assembly is smaller than that of the mother door assembly 2.

[0038] The upper side and the lower side of the first side of the sub-door assembly 3 are connected with the door frame assembly 1 through a bolt 301.

[0039] The installation mode of the utility model is that a door installation hole 101 is arranged on a wall surface, the door frame assembly 1 comprises a door frame main body 102 connected and installed with the inner wall of the door installation hole 101, an extension frame 103 is arranged on the side of the door frame main body 102, and the extension frame 103 is arranged on the outdoor part of the wall where the door installation hole 101 is arranged. First and second limiting members 107 and 108 are arranged on the door frame main body 102 and matched with the mother door assembly 2 and the sub-door assembly 3, and a buffer pad 104 is fixed on the first and second limiting members 107 and 108. The buffer pad 104 can be a PU foamed leather strip. The door frame main body 102 is installed to the inner side wall of the door installation hole 101 through an expansion bolt 105, and a plurality of supporting square tubes 106 are arranged in the door frame main body 102. The door frame main body 102 comprises a plurality of galvanized square tubes arranged inside and copper panels fixed outside.

[0040] The first real copper plate 208 is fixed with a decorative copper plate 214, and the decorative copper plate 214 is forged with a pattern.

[0041] The door frame assembly 1 and the main and sub door can be made of stainless steel plated copper material, and the square tube inside can be made of zinc-plated copper material as a skeleton. The decorative copper plate 214 located outdoors is forged with a pattern, which is luxurious, beautiful and atmospheric, and can adopt a Chinese style.

[0042] Compared with the prior art, the utility model has the advantages that the utility model is simple in structure, the sealing property of the two is increased through the cooperation of the stepped surface 201, the sealing property is increased and the buffering property is increased through the configuration of the sealing gasket one at the stepped surface 201, and the sub door is not likely to be damaged when the door is closed.

[0043] The technical scheme of the utility model has been described in combination with the preferred embodiments shown in the drawings, but those skilled in the art can easily understand that the protection scope of the utility model is obviously not limited to these specific embodiments. Without departing from the principles of the utility model, those skilled in the art can make equivalent changes or replacements to the related technical features, and the technical schemes after the changes or replacements will all fall within the protection scope of the utility model.

Claims

1. A parent / child door, characterized by: The door frame assembly (1), the female door assembly (2), the male door assembly (3), the first side of the female door assembly (2) is pivotally connected with the first side inner wall of the door frame assembly (1), and the second side of the male door assembly (3) is pivotally connected with the second side inner wall of the door frame assembly (1); The matching surface of the second side of the female door assembly (2) and the first side of the male door assembly (3) is a stepped surface (201); the female door assembly (2) is provided with a lock (202) matched with the male door assembly (3); A mounting door hole (101) is formed in a wall surface, the door frame assembly (1) comprises a door frame main body (102) mounted with the inner wall of the mounting door hole (101), and the door frame main body (102) is provided with an extension frame (103) on the circumferential side; the extension frame (103) is arranged on the outdoor part of the wall body where the mounting door hole (101) is located; The door frame main body (102) is respectively provided with a first limiting piece (107) and a second limiting piece (108) matched with the female door assembly (2) and the male door assembly (3), and the first limiting piece (107) and the second limiting piece (108) are fixedly provided with a buffer pad (104).

2. The parent / child door of claim 1, wherein: The female door assembly (2) and / or the male door assembly (3) comprises at least two first square tubes (205), the two outer sides of the first square tubes (205) are fixedly provided with first PVC plates (206), the first PVC plate (206) located indoors is fixedly provided with a first wooden plate (207), the first PVC plate (206) located outdoors is fixedly provided with a first real copper plate (208), the outer sides of the two first square tubes (205) are fixedly provided with second square tubes (209), one of the second square tubes (209) is provided with a second real copper plate (210), the second real copper plate (210) is fixedly connected with the first real copper plate (208), a third real copper plate (212) is connected between the first wooden plate (207) and the second real copper plate (210), and a hinge (4) is further arranged, the two blades of the hinge (4) are respectively fixedly provided with the door frame assembly (1) and the second real copper plate (210).

3. The parent / child door of claim 2, wherein: The third real copper plate (212) is a bevel.

4. The parent / child door of claim 2, wherein: The other second square tube (209) is fixedly provided with a fourth real copper plate (213), the stepped surface (201) is formed on the fourth real copper plate (213), and the fourth real copper plate (213) is fixedly connected with the first real copper plate (208) and the first wooden plate (207).

5. The parent / child door according to claim 1 or 2, wherein: The male door assembly (3) and the female door assembly (2) are symmetrical in structure, and the width of the male door assembly (3) is smaller than that of the female door assembly (2).

6. The parent / child door of claim 1, wherein: At least one side of the first side of the male door assembly (3) is connected with the door frame assembly (1) through a bolt (301).

7. The parent / child door of claim 1, wherein: The door frame main body (102) is mounted to the inner side wall of the mounting door hole (101) through an expansion bolt (105).

8. The parent / child door of claim 2, wherein: The first real copper plate (208) is fixedly provided with a decorative copper plate (214), and the decorative copper plate (214) is forged with a pattern.

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