Metal door convenient to install

By designing the meshing structure of gears and connecting rods on metal doors, the rapid installation of metal doors and walls is achieved, solving the problem of cumbersome and labor-intensive installation in the prior art, and improving installation efficiency and stability.

CN223177379UActive Publication Date: 2025-08-01ZHEJIANG ZHONGHAO SECURITY TECH CO LTD
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Patent Information

Application Number
CN202420752664.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-12
Publication Date
2025-08-01
Estimated Expiration
2034-04-12

AI Technical Summary

Technical Problem

When installing existing metal doors, the door frame needs to be fixed in the door opening with expansion bolts, and staff need to position the door opening in advance, which is troublesome and labor-intensive to reduce installation efficiency.

Method used

The design of the first installation cavity, the gear, the first connecting rod and the first mounting hole is adopted. The gear and the first connecting rod are meshed and connected through the tooth row. The rotating gear drives the connecting rod to telescopic to insert into the wall hole; the second mounting cavity, the limit pull block, the second connecting rod and the spring are used to realize the rapid installation of the metal door and the first door sleeve.

Benefits of technology

The installation process of metal doors is simplified, labor consumption is reduced, installation efficiency and stability are improved, and the wall is beautiful and structural strength is ensured.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223177379U_ABST
    Figure CN223177379U_ABST
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Abstract

The utility model discloses a metal door convenient to mount, which comprises a first mounting hole, the first mounting hole is arranged on a wall body, a first mounting cavity is arranged in a first door pocket, gears are arranged in the two first mounting cavities, and first connecting rods are arranged on two sides of the gears; the metal door is arranged on one side of the first door pocket, second mounting holes are formed in the top and the bottom of the first door pocket correspondingly, second mounting cavities are formed in the metal door, second connecting rods are arranged in the two second mounting cavities correspondingly, springs are arranged in the second mounting cavities, and the second connecting rods are connected with the springs. According to the metal door, one end of the first connecting rod is aligned to the first mounting hole to be inserted into the wall, the door pocket and the wall are quickly mounted, one end of the second connecting rod is aligned to the second mounting hole to be inserted into the door pocket, the metal door and the door pocket are quickly mounted, the mounting mode is convenient, quick mounting can be achieved, and the mounting efficiency of the metal door is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of metal doors, in particular to a metal door convenient for installation. Background Technique

[0002] A door refers to a device used for opening and closing at the entrance of a building. Metal doors are also common types of residential doors. Generally, the accessories used are made of stainless steel or galvanized materials, and a PVC material is pasted on the surface. The traditional metal door is not provided with a mechanism convenient for installation, making the installation process of the metal door more cumbersome and increasing the installation difficulty of the metal door.

[0003] Chinese Patent Publication No. is CN213540076U, and the authorization announcement date is June 25, 2021. It discloses a metal door convenient for installation, including a first door pocket and a second door pocket. A first door frame is provided on the first door pocket, a second door frame is provided on the second door pocket, a card slot is opened in the second door frame, the first door frame is movably clamped in the card slot, a plurality of stepped holes are vertically and evenly distributed on both sides of the first door frame, a screw hole is opened in the second door frame, and the stepped hole and the screw hole are connected by a fastening bolt; it also includes a door body, and a plurality of rotating shafts are vertically installed on one side of the door body, and a rotating sleeve is correspondingly arranged on the second door pocket. The metal door convenient for installation realizes the assembly of the first door pocket and the second door pocket through the mutual nesting of the first door frame and the second door frame, and then is fixedly connected by using a fastening bolt. The disassembly and assembly are convenient and fast, improving the installation efficiency, saving manpower, and not requiring drilling holes in the wall surface, ensuring the beauty and structural strength of the wall; cover plates are arranged on both sides of the first door pocket to cover the stepped holes and ensure the overall beauty.

[0004] When installing the existing metal door, generally, the door frame needs to be fixed in the door opening through expansion bolts first, and then the door pocket is installed around the door frame. It requires the staff to position in advance at the door opening, which is relatively troublesome to install, requires multiple people to cooperate in the operation, and because the wall is relatively hard, drilling is more difficult, consuming a large amount of manpower, reducing the installation efficiency of the metal door, and cannot meet the use requirements. Summary of the Invention

[0005] The purpose of the utility model is to provide a metal door convenient for installation to solve the problems in the above background technique that when installing the existing metal door, generally, the door frame needs to be fixed in the door opening through expansion bolts first, and then the door pocket is installed around the door frame. It requires the staff to position in advance at the door opening, which is relatively troublesome to install, requires multiple people to cooperate in the operation, and because the wall is relatively hard, drilling is more difficult, consuming a large amount of manpower, reducing the installation efficiency of the metal door, and cannot meet the use requirements.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A metal door convenient for installation, including a first door pocket, and further including:

[0007] The first mounting hole is provided on the wall. There is a first mounting cavity inside the first door pocket. There are two first mounting cavities, and the two first mounting cavities are respectively arranged at the top and bottom of the first door pocket. Gears are arranged inside both of the two first mounting cavities, and the gears are rotatably connected to the first door pocket. Both sides of each gear are provided with first connecting rods. There are two first connecting rods, and the first connecting rods are slidably connected to the first door pocket. One end of each first connecting rod is correspondingly arranged with the first mounting hole. Tooth rows are arranged inside both sides of the two first connecting rods, and the tooth rows are fixedly connected to the first connecting rods. The gears are meshed with the tooth rows;

[0008] The metal door is arranged on one side of the first door pocket. There are two second mounting holes respectively arranged at the top and bottom of the first door pocket. There is a second mounting cavity inside the metal door. There are two second mounting cavities. Second connecting rods are arranged inside both of the two second mounting cavities, and the second connecting rods are correspondingly arranged with the second mounting holes. A bearing ring is arranged at the contact position between the second connecting rod and the metal door, and the bearing ring is fixedly connected to the metal door. The bearing ring is arranged outside the second connecting rod, and the bearing ring is slidably connected to the second connecting rod. A limiting pull block is arranged at the lower end of the second connecting rod, and the limiting pull block is fixedly connected to the second connecting rod. The limiting pull block is slidably connected to the metal door. A spring is arranged inside the second mounting cavity, and both ends of the spring are respectively fixedly connected to the metal door and the limiting pull block.

[0009] Preferably, a hinge is arranged between the metal door and the first door pocket, and the hinge is connected to the first door pocket and the metal door by screws.

[0010] Preferably, a sealing strip is arranged outside the metal door, and the sealing strip is integrally connected to the metal door.

[0011] Preferably, a ball is arranged at one end of the second connecting rod, and the ball is rotatably connected to the second connecting rod.

[0012] Preferably, a second door pocket is arranged on one side of the first door pocket. Sealing frames are arranged outside one ends of the first door pocket and the second door pocket, and the sealing frames are fixedly connected to the first door pocket and the second door pocket. There are at least six assembly holes arranged on the second door pocket. A threaded hole is arranged at one end of the first door pocket, and the threaded hole is correspondingly arranged with the assembly holes. Connecting bolts are arranged inside the assembly holes, and the connecting bolts are correspondingly arranged with the threaded holes.

[0013] Preferably, a connecting head is arranged inside the first mounting cavity, and the connecting head is rotatably connected to the first door pocket. The connecting head is arranged above the gear, and one end of the connecting head is fixedly connected to the gear. A dust-proof cover is arranged at the upper end of the first mounting cavity, and the dust-proof cover is snap-connected to the first door pocket. The dust-proof cover is arranged above the connecting head.

[0014] Preferably, a rubber strip is arranged inside the sealing frame, and the rubber strip is integrally connected with the sealing frame.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] Through the settings of the first installation cavity, the gear, the first connecting rod and the first installation hole, the gear is meshed and connected with the first connecting rod through the tooth row. As the gear rotates, the two first connecting rods are synchronously driven to stretch in the first installation cavity. One end of the first connecting rod extends out of the first installation cavity and is inserted into the first installation hole to be connected with the wall, realizing the installation of the first door pocket and the wall.

[0017] Through the settings of the second installation cavity, the limit pulling block, the second connecting rod, the bearing ring and the spring, the limit pulling block and the second connecting rod are slidably connected with the metal door. The limit pulling block is pulled to retract the second connecting rod into the second installation cavity. At this time, the spring is in a compressed state. The second installation cavity on the metal door is aligned with the second installation hole, and the limit pulling block is released. The spring applies a thrust to the second connecting rod. Under the action of the thrust, one end of the second connecting rod is aligned with the second installation hole and inserted into the connection with the first door pocket, realizing the installation of the metal door and the first door pocket. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 is a side view of the connection between the metal door and the first door pocket of the utility model;

[0020] Figure 3 is a diagram showing the connection relationship between the first door pocket and the second door pocket and the wall of the utility model;

[0021] Figure 4 is a diagram showing the connection relationship between the metal door and the first door pocket of the utility model;

[0022] Figure 5 is a diagram showing the connection relationship between the gear and the first door pocket of the utility model.

[0023] In the figure: 1. First door pocket; 2. Second door pocket; 3. Sealing frame; 4. Rubber strip; 5. First installation cavity; 6. Assembly hole; 7. Connecting bolt; 8. Dust cover; 9. Metal door; 10. Sealing strip; 11. Second installation cavity; 12. Limit pulling block; 13. Hinge; 14. Gear; 15. First connecting rod; 16. Tooth row; 17. Wall; 18. First installation hole; 19. Threaded hole; 20. Second connecting rod; 21. Bearing ring; 22. Spring; 23. Second installation hole; 24. Ball; 25. Connecting head. DETAILED DESCRIPTION OF THE INVENTION

[0024] Next, in combination with the accompanying drawings in the embodiments of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0025] Please refer to Figures 1-5 , an embodiment provided by the present utility model: a metal door that is convenient to install, including a first door pocket 1, and further including:

[0026] A first mounting hole 18, which is provided on a wall 17. A first mounting cavity 5 is provided inside the first door pocket 1. There are two first mounting cavities 5, and the two first mounting cavities 5 are respectively provided at the top and bottom of the first door pocket 1. Gears 14 are provided inside the two first mounting cavities 5, and the gears 14 are rotatably connected to the first door pocket 1. Both sides of the gear 14 are provided with first connecting rods 15. There are two first connecting rods 15, and the first connecting rods 15 are slidably connected to the first door pocket 1. One end of the first connecting rod 15 is correspondingly arranged with the first mounting hole 18. Tooth rows 16 are provided on the inner sides of the two first connecting rods 15, and the tooth rows 16 are fixedly connected to the first connecting rods 15. The gears 14 are meshed with the tooth rows 16;

[0027] A metal door 9, which is provided on one side of the first door pocket 1. Second mounting holes 23 are provided at the top and bottom of the first door pocket 1. There are two second mounting holes 23. A second mounting cavity 11 is provided inside the metal door 9. There are two second mounting cavities 11. Second connecting rods 20 are provided inside the two second mounting cavities 11, and the second connecting rods 20 are correspondingly arranged with the second mounting holes 23. A bearing ring 21 is provided at the contact position between the second connecting rod 20 and the metal door 9, and the bearing ring 21 is fixedly connected to the metal door 9. The bearing ring 21 is provided outside the second connecting rod 20, and the bearing ring 21 is slidably connected to the second connecting rod 20. A limiting pull block 12 is provided at the lower end of the second connecting rod 20, and the limiting pull block 12 is fixedly connected to the second connecting rod 20. The limiting pull block 12 is slidably connected to the metal door 9. A spring 22 is provided inside the second mounting cavity 11, and both ends of the spring 22 are fixedly connected to the metal door 9 and the limiting pull block 12 respectively.

[0028] During use: Insert the first door frame 1 into the wall 17. Rotate the gear 14 clockwise. The gear 14 is meshed and connected to the first connecting rod 15 through the tooth row 16. As the gear 14 rotates, the two first connecting rods 15 are synchronously driven to extend from the first installation cavity 5. One end of the first connecting rod 15 is aligned with the first installation hole 18 and inserted to connect with the wall 17, realizing the installation of the first door frame 1 and the wall 17. Pull the limit pull block 12 to retract the second connecting rod 20 into the second installation cavity 11. At this time, the spring 22 is in a compressed state. Then, align the second installation cavity 11 on the metal door 9 with the second installation hole 23, and release the limit pull block 12. The spring 22 exerts a thrust on the second connecting rod 20. Under the action of the thrust, one end of the second connecting rod 20 is aligned with the second installation hole 23 and inserted to connect with the first door frame 1, realizing the installation of the metal door 9 and the first door frame 1.

[0029] Please refer to Figure 2 , a hinge 13 is provided between the metal door 9 and the first door frame 1, and the hinge 13 is connected to both the first door frame 1 and the metal door 9 by screws, improving the installation stability of the metal door 9 and the first door frame 1 through the hinge 13.

[0030] Please refer to Figure 1 and Figure 2 , a sealing strip 10 is provided on the outside of the metal door 9, and the sealing strip 10 is integrally connected to the metal door 9, improving the sealing performance when the metal door 9 and the first door frame 1 are closed through the sealing strip 10.

[0031] Please refer to Figure 4 , a ball 24 is provided at one end of the second connecting rod 20, and the ball 24 is rotatably connected to the second connecting rod 20, reducing the rotation resistance through the ball 24 and better opening and closing the metal door 9.

[0032] Please refer to Figure 1 , Figure 2 and Figure 3 , a second door frame 2 is provided on one side of the first door frame 1. Sealing frames 3 are provided on the outside of one end of both the first door frame 1 and the second door frame 2, and the sealing frames 3 are fixedly connected to both the first door frame 1 and the second door frame 2. Assembly holes 6 are provided on the second door frame 2, and there are at least six assembly holes 6. A threaded hole 19 is provided at one end of the first door frame 1, and the threaded hole 19 is correspondingly arranged with the assembly hole 6. A connecting bolt 7 is provided inside the assembly hole 6, and the connecting bolt 7 is correspondingly arranged with the threaded hole 19. The second door frame 2 and the first door frame 1 are combined and connected through the threaded hole 19 and the connecting bolt 7. The sealing frame 3 increases the force-bearing area of the first door frame 1 and the second door frame 2 with the wall 17, and more firmly installs and fixes the first door frame 1 and the second door frame 2 to the wall 17.

[0033] Please refer to Figure 3 and Figure 5, a connector 25 is arranged inside the first installation cavity 5, and the connector 25 is rotatably connected to the first door pocket 1. The connector 25 is arranged above the gear 14, and one end of the connector 25 is fixedly connected to the gear 14. A dust cover 8 is arranged at the upper end of the first installation cavity 5, and the dust cover 8 is snap-connected to the first door pocket 1. The dust cover 8 is arranged above the connector 25. By means of the connector 25, it is convenient to rotate the gear 14 to realize the telescoping of the first connecting rod 15. The dust cover 8 seals the exposed first installation cavity 5 to play a protective role.

[0034] Please refer to Figure 1 and Figure 3 , a rubber strip 4 is arranged inside the sealing frame 3, and the rubber strip 4 is integrally connected to the sealing frame 3. The gap between the sealing frame 3 and the wall body 17 is filled by the rubber strip 4 to improve the connection stability between the first door pocket 1 and the second door pocket 2 and the wall body 17.

[0035] Working principle: Embed the first door pocket 1 into the wall body 17, rotate the gear 14 clockwise. The gear 14 is meshed and connected to the first connecting rod 15 through a tooth row 16. As the gear 14 rotates, the two first connecting rods 15 are synchronously driven to extend out of the first installation cavity 5. One end of the first connecting rod 15 is aligned with the first installation hole 18 and inserted to be connected to the wall body 17, so as to realize the installation of the first door pocket 1 and the wall body 17. Use a connecting bolt 7 to connect the second door pocket 2 and the first door pocket 1 in combination. The sealing frame 3 increases the force-bearing area between the first door pocket 1 and the second door pocket 2 and the wall body 17, and more firmly installs and fixes the first door pocket 1 and the second door pocket 2 to the wall body 17; Pull the limit pull block 12 to retract the second connecting rod 20 into the second installation cavity 11. At this time, the spring 22 is in a compressed state. Then, align the second installation cavity 11 on the metal door 9 with the second installation hole 23, release the limit pull block 12, and the spring 22 applies a thrust to the second connecting rod 20. Under the action of the thrust, one end of the second connecting rod 20 is aligned with the second installation hole 23 and inserted to be connected to the first door pocket 1, so as to realize the installation of the metal door 9 and the first door pocket 1.

[0036] The content not described in detail in this specification belongs to the prior art well known to those skilled in the art.

[0037] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A metal door convenient for installation, comprising a first door pocket (1), characterized in that, Further included are: A first mounting hole (18) is provided on the wall (17). Inside the first door pocket (1), there are two first mounting cavities (5). The two first mounting cavities (5) are respectively arranged at the top and bottom of the first door pocket (1). Inside each of the two first mounting cavities (5), there is a gear (14). The gear (14) is rotatably connected to the first door pocket (1). On both sides of the gear (14), there are two first connecting rods (15). The first connecting rods (15) are slidably connected to the first door pocket (1). One end of the first connecting rod (15) is correspondingly arranged with the first mounting hole (18). Inside the inner sides of the two first connecting rods (15), there are tooth rows (16). The tooth rows (16) are fixedly connected to the first connecting rods (15). The gear (14) is meshed with the tooth rows (16); A metal door (9) is arranged on one side of the first door pocket (1). There are two second mounting holes (23) respectively arranged at the top and bottom of the first door pocket (1). Inside the metal door (9), there are two second mounting cavities (11). Inside each of the two second mounting cavities (11), there is a second connecting rod (20). The second connecting rods (20) are correspondingly arranged with the second mounting holes (23). At the contact position between the second connecting rod (20) and the metal door (9), there is a bearing ring (21). The bearing ring (21) is fixedly connected to the metal door (9). The bearing ring (21) is arranged outside the second connecting rod (20) and is slidably connected to the second connecting rod (20). At the lower end of the second connecting rod (20), there is a limit pulling block (12). The limit pulling block (12) is fixedly connected to the second connecting rod (20). The limit pulling block (12) is slidably connected to the metal door (9). Inside the second mounting cavity (11), there is a spring (22). The two ends of the spring (22) are respectively fixedly connected to the metal door (9) and the limit pulling block (12).

2. The metal door according to claim 1, which is easy to install, is characterized in that: A hinge (13) is arranged between the metal door (9) and the first door pocket (1). The hinge (13) is connected to the first door pocket (1) and the metal door (9) by screws respectively.

3. A metal door that is easy to install according to claim 1, characterized in that: A sealing strip (10) is arranged outside the metal door (9). The sealing strip (10) is integrally connected to the metal door (9).

4. The metal door that is easy to install according to claim 1, characterized in that: One end of the second connecting rod (20) is provided with a ball (24). The ball (24) is rotatably connected to the second connecting rod (20).

5. A metal door that is easy to install according to claim 1, characterized in that: A second doorframe (2) is provided on one side of the first doorframe (1). Sealing frames (3) are provided on the outer sides of one ends of the first doorframe (1) and the second doorframe (2), and the sealing frames (3) are fixedly connected to the first doorframe (1) and the second doorframe (2). An assembly hole (6) is provided on the second doorframe (2), and at least six assembly holes (6) are provided. A threaded hole (19) is provided at one end of the first doorframe (1), and the threaded hole (19) is correspondingly arranged with the assembly hole (6). A connecting bolt (7) is arranged inside the assembly hole (6), and the connecting bolt (7) is correspondingly arranged with the threaded hole (19).

6. The metal door according to claim 1, which is easy to install, is characterized in that: A connecting head (25) is arranged inside the first installation cavity (5), and the connecting head (25) is rotatably connected to the first doorframe (1). The connecting head (25) is arranged above the gear (14), and one end of the connecting head (25) is fixedly connected to the gear (14). A dust cover (8) is arranged at the upper end of the first installation cavity (5), and the dust cover (8) is snap-connected to the first doorframe (1). The dust cover (8) is arranged above the connecting head (25).

7. The metal door according to claim 5, characterized in that: A rubber strip (4) is arranged inside the sealing frame (3), and the rubber strip (4) is integrally connected to the sealing frame (3).

Citation Information

Patent Citations

  • Metal door convenient to install

    CN213540076U