Entrance door with door-in-door structure

Abstract

The entrance door with the door-in-door structure comprises a door frame and a door plate, the door plate is hinged to the inner side of the door frame through hinges, and a fingerprint lock is fixedly installed on the edge of the right side of the door plate; according to the utility model, the embedded square frame, the observation window, the mechanical lock, the hanging rod, the curtain and the safety grid are arranged at the upper part of the door plate, the safety grid formed by the stainless steel pipes which are welded in a transverse and longitudinal crossed manner is arranged on the surface, facing the outside, of the embedded square frame, and the observation window is hinged to the surface, facing the inside, of the embedded square frame through the hinge; a protective door-in-door structure is formed by the observation window and the safety grid in the embedded square frame, and a user can observe people outside a door through a gap between the metal wire mesh plate of the observation window and the safety grid so as to confirm the identity or intention of the people outside the door, or take expresses or take-out food through the gap of the safety grid after a mechanical lock of the observation window is opened. The personal and property safety problem caused by the fact that strangers enter a room is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of entrance doors, in particular to an entrance door with a door-in-door structure. Background Art

[0002] The entrance door is the first door to enter the house, also called the entry door. The entrance door is the first checkpoint to enter the house, of course, its anti-theft performance should be higher. Therefore, the entrance door is also called the anti-theft door. Most houses are installed with the entrance door when they are completed.

[0003] In the prior art, entrance doors used in single households in a community often adopt a single door structure (for example: Publication No. CN219451866U discloses a system entrance door), which has excellent advantages in anti-theft performance. However, with the prevalence of the home service industry (take-out, express delivery, home appliance door repair), outsiders need to enter the room to provide related services, which makes the entrance door with a single door structure have an adverse effect on the personal and property safety of users.

[0004] To this end, an entrance door with a door-in-door structure is proposed, which has the advantages of convenient partial opening and closing of the door body and high safety, thereby solving the problems in the above-mentioned background technology. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes an entrance door with a door-in-door structure.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an entrance door with a door-in-door structure comprises a door frame and a door panel, the inner side of the door frame is hinged with a door panel via a hinge, and a fingerprint lock is fixedly installed at the right edge of the door panel, an embedded square frame is embedded on the upper surface of the door panel, and a safety grille is welded on the side of the embedded square frame facing outside the house, and an observation window is hinged on the side of the embedded square frame facing inside the house via a hinge, a metal wire mesh plate is welded on the surface of the observation window, and a mechanical lock is fixedly installed at the right edge of the observation window, ears are welded on the surfaces of the embedded square frame and the observation window, and an L-shaped latch is inserted and installed in the ear, a hanging rod is fixedly installed on the side of the door panel facing inside the house via screws, and two sets of curtains are sleeved and installed on the surface of the hanging rod, and the hanging rod is located above the embedded square frame.

[0007] As a further description of the above technical solution: the safety grille is formed by welding a plurality of stainless steel tubes that cross each other horizontally and vertically, and a plurality of rectangular gaps are formed between the plurality of stainless steel tubes that cross each other horizontally and vertically.

[0008] As a further description of the above technical solution: both ends of the hanging rod are welded with columnar mounting parts, and a mounting ring is provided at one end of the columnar mounting part that is in contact with the door panel, and a plurality of screws are inserted into the mounting ring of the columnar mounting part.

[0009] As a further description of the above technical solution: the length of the curtain is adapted to the size of the embedded square frame, and a hook is fixed at the edge of the upper surface of the door panel corresponding to the curtain.

[0010] As a further description of the above technical solution: a rectangular opening is provided on the surface of the door panel corresponding to the embedded square frame, and two sides of the embedded square frame are respectively abutted against the outer side surface of the rectangular opening through rectangular frames.

[0011] As a further description of the above technical solution: a handle with a U-shaped structure is welded at the edge of the surface of the observation window, and the handle is located outside the mechanical lock.

[0012] The utility model has the following beneficial effects:

[0013] In the utility model, an embedded square frame, an observation window, a mechanical lock, a hanging rod, a curtain and a safety grille are arranged on the upper part of the door panel. A safety grille composed of stainless steel pipes welded crosswise in horizontal and vertical directions is arranged on the side of the embedded square frame facing outside the house, and an observation window is hinged on the side of the embedded frame facing inside the house, so that the observation window and the safety grille in the embedded square frame form a protective door-in-door structure. A user can observe people outside the door through the gap between the metal mesh plate of the observation window and the safety grille to confirm the identity or intention of the people outside the door, or take express or take-out through the gap of the safety grille after opening the mechanical lock of the observation window, thereby solving the personal and property safety problems caused by strangers entering the room. At the same time, by arranging hanging rods and curtains on the door panel corresponding to the observation window, a shielding structure can be provided for the metal mesh plate of the observation window to prevent peeping by people outside the door, thereby achieving high safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front view of the entrance door with a door-in-door structure of the utility model;

[0015] Figure 2 It is a back view of the entrance door with a door-in-door structure of the utility model;

[0016] Figure 3 This is a door panel analysis diagram of an entrance door with a door-in-door structure according to the present invention;

[0017] Figure 4 The utility model is a schematic diagram of the observation window structure of the entrance door with a door-in-door structure.

[0018] Legend:

[0019] 1. Door frame; 2. Door panel; 3. Embedded frame; 4. Observation window; 5. Fingerprint lock; 6. Mechanical lock; 7. Handle; 8. Hanging rod; 9. Curtain; 10. Hook; 11. Ear; 12. L-shaped latch; 13. Safety grille; 14. Metal mesh. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] According to an embodiment of the utility model, an entrance door with a door-in-door structure is provided.

[0022] The present invention is now further described in conjunction with the accompanying drawings and specific implementation methods. Figure 1-4 As shown, the entrance door with a door-in-door structure according to the embodiment of the utility model comprises a door frame 1 and a door panel 2, the door panel 2 is hingedly connected to the inner side of the door frame 1 through a hinge, and a fingerprint lock 5 is fixedly installed at the right edge of the door panel 2, an embedded square frame 3 is embedded and installed on the upper surface of the door panel 2, and a safety grille 13 is welded to the side of the embedded square frame 3 facing outside the house, and an observation window 4 is hingedly connected to the side of the embedded square frame 3 facing inside the house through a hinge, a metal wire mesh plate 14 is welded to the surface of the observation window 4, and a mechanical lock 6 is fixedly installed at the right edge of the observation window 4, an ear 11 is welded to the surface of the embedded square frame 3 and the observation window 4, and an L-shaped latch 12 is inserted and installed in the ear 11, and a hanging rod 8 is fixedly installed on the side of the door panel 2 facing inside the house through screws, and the hanging rod 8 Two sets of curtains 9 are installed on the surface, and the hanging rod 8 is located above the embedded square frame 3. The user can observe the person outside the door through the gap between the metal mesh plate 14 of the observation window 4 and the security grille 13 to confirm the identity or intention of the person outside the door, or open the mechanical lock 6 of the observation window 4 and take express or take-out through the gap of the security grille 13. By setting the hanging rod 8 and curtains 9 on the door panel 2 corresponding to the observation window 4, the observation window 4 is blocked by pulling the two sets of curtains 9 set on the hanging rod 8, which can provide a shielding structure for the metal mesh plate 14 of the observation window 4 to prevent the peeping of the person outside the door. The setting of the ear 11 and the L-shaped latch 12 can add a layer of insurance for the observation window 4. The fingerprint lock 5 is a well-known prior art, and there are known products, so it will not be described in detail.

[0023] In one embodiment, the safety grille 13 is welded by a plurality of stainless steel tubes that cross each other in a horizontal and vertical direction, and a plurality of rectangular gaps are formed between the plurality of stainless steel tubes that cross each other in a horizontal and vertical direction, so that express delivery or take-out (specifically small-item express delivery) can be picked up through the plurality of rectangular gaps of the safety grille 13.

[0024] In one embodiment, columnar mounting parts are welded to both ends of the hanging rod 8, and a mounting ring is provided at one end of the columnar mounting part that is attached to the door panel 2, and a plurality of screws are inserted on the mounting ring of the columnar mounting part. The columnar mounting part and the mounting ring are provided to facilitate the installation of the hanging rod 8.

[0025] In one embodiment, the length of the curtain 9 is adapted to the size of the embedded frame 3 , and a hook 10 is fixed to the edge of the upper surface of the door panel 2 corresponding to the curtain 9 , so that the curtain 9 can be lifted and gathered by setting the hook 10 .

[0026] In one embodiment, a rectangular opening is provided on the surface of the door panel 2 corresponding to the embedded frame 3, and two sides of the embedded frame 3 are respectively abutted against the outer side surfaces of the rectangular opening through rectangular frames. The rectangular frames are provided to maintain the reliability of the installation of the embedded frame 3.

[0027] In one embodiment, a U-shaped handle 7 is welded to the edge of the surface of the observation window 4 , and the handle 7 is located outside the mechanical lock 6 , so that the observation window 4 can be opened and closed by setting the handle 7 .

[0028] Working principle:

[0029] When in use, the door frame 1 is first installed in the wall, and a safety grille 13 composed of stainless steel pipes welded crosswise in horizontal and vertical directions is arranged on the side of the embedded frame 3 facing the outside of the house, and an observation window 4 is hinged on the side of the embedded frame 3 facing the inside of the house, so that the observation window 4 in the embedded frame 3 and the safety grille 13 form a protective door-in-door structure. When a person stops outside the door panel 2, the user can observe the person outside the door through the gap between the metal mesh plate 14 of the observation window 4 and the safety grille 13, so as to confirm the identity of the person outside the door or the source of the person. The user may intentionally open the mechanical lock 6 of the observation window 4 and take the express or take-out through the gap of the safety grille 13. After taking the express or take-out, lock the mechanical lock 6 of the observation window 4, and then insert the L-shaped latch 12 into the observation window 4 and the plug ears 11 on the surface of the embedded frame 3. At the same time, by setting a hanging rod 8 and a curtain 9 on the door panel 2 corresponding to the observation window 4, the observation window 4 can be shielded by pulling the two sets of curtains 9 set on the hanging rod 8, which can provide a shielding structure for the metal mesh plate 14 of the observation window 4 to prevent peeping by people outside the door.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An entrance door with a door-in-door structure, comprising a door frame (1) and a door panel (2), characterized in that: A door panel (2) is hingedly connected to the inner side of the door frame (1) through a hinge, and a fingerprint lock (5) is fixedly installed at the right edge of the door panel (2); an embedded square frame (3) is embedded and installed on the upper surface of the door panel (2), and a safety grille (13) is welded on the side of the embedded square frame (3) facing the outside of the house, and an observation window (4) is hingedly connected to the side of the embedded square frame (3) facing the inside of the house through a hinge, a metal wire mesh plate (14) is welded on the surface of the observation window (4), and a mechanical lock (6) is fixedly installed at the right edge of the observation window (4), and plug ears (11) are welded on the surfaces of the embedded square frame (3) and the observation window (4), and an L-shaped latch (12) is inserted and installed in the plug ears (11), and a hanging rod (8) is fixedly installed on the side of the door panel (2) facing the inside of the house through screws, and two groups of curtains (9) are sleeved and installed on the surface of the hanging rod (8), and the hanging rod (8) is located above the embedded square frame (3).

2. The entrance door with a door-in-door structure according to claim 1, characterized in that: The safety grille (13) is formed by welding a plurality of stainless steel pipes that cross each other in a horizontal and vertical direction, and a plurality of rectangular gaps are formed between the plurality of stainless steel pipes that cross each other in a horizontal and vertical direction.

3. The entrance door with a door-in-door structure according to claim 1, characterized in that: Both ends of the hanging rod (8) are welded with columnar mounting parts, and one end of the columnar mounting part that is in contact with the door panel (2) is provided with a mounting ring, and a plurality of screws are inserted into the mounting ring of the columnar mounting part.

4. The entrance door with a door-in-door structure according to claim 2, characterized in that: The length of the curtain (9) is adapted to the size of the embedded square frame (3), and a hook (10) is fixed at the edge of the upper surface of the door panel (2) corresponding to the curtain (9).

5. The entrance door with a door-in-door structure according to claim 1, characterized in that: A rectangular opening is provided on the surface of the door panel (2) corresponding to the embedded square frame (3), and two sides of the embedded square frame (3) are respectively abutted against the outer side surface of the rectangular opening through rectangular frames.

6. The entrance door with a door-in-door structure according to claim 1, characterized in that: A handle (7) with a U-shaped structure is welded at the edge of the surface of the observation window (4), and the handle (7) is located outside the mechanical lock (6).

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