Multifunctional entrance door

By introducing structures such as an oil storage chamber and an oil block into the entrance door, the problems of lock tongue wear and inconvenience in applying lubricating oil are solved, and efficient lubrication of the lock tongue and stable operation of the lock are achieved.

CN223330382UActive Publication Date: 2025-09-12NINGXIA XINZHONGYI DOOR IND CO LTD
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Patent Information

Application Number
CN202422615611.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-09-12
Estimated Expiration
2034-10-29

AI Technical Summary

Technical Problem

During long-term use, the friction between the lock tongue, lock body and door frame of existing entrance doors causes wear. When applying lubricating oil, the lock parts need to be disassembled, which may damage the internal components or cause the lock to malfunction.

Method used

A multifunctional entrance door is designed, which includes an oil storage chamber, an oil block and a switch assembly. The lock tongue is moved by the door lock handle, so that the lubricating oil can be evenly applied to the surface of the lock tongue without disassembling the lock body. The oil inlet hole and oil drain groove are used to ensure that the lubricating oil is evenly distributed.

Benefits of technology

The lock tongue can be lubricated without disassembling the lock body, thereby avoiding damage to internal parts of the lock, improving the lubrication effect, and extending the service life of the lock tongue.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of entrance doors, and discloses a multifunctional entrance door which comprises a door frame, an entrance door body is hinged to the inner surface of the door frame, a lock body is connected to the left side of the inner surface of the entrance door body in an inserted mode, a spring bolt is connected to the inner surface of the lock body in a sliding mode, and the left side of the outer surface of the spring bolt is connected with the inner surface of the door frame in a clamped mode. An oil injection hole is formed in the top end of the outer surface of the left side of the lock body, an oil storage chamber is formed in the top end of the inner surface of the left side of the lock body, an oil stopping block is in piston connection with the bottom end of the inner surface of the oil storage chamber, and the top end of the outer surface of the right side of the spring bolt is in contact connection with the bottom end of the outer surface of the oil stopping block. According to the utility model, the oil storage chamber and the oil blocking block are arranged, so that the oil blocking block can be ejected out when the lock tongue is driven by a door lock handle to move inwards and transversely to a specified position, and lubricating oil in the oil storage chamber can flow into the surface of the lock tongue, so that the lock tongue can be lubricated on the premise that a lock body is not disassembled.
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Description

Technical Field

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

[0002] Usually when choosing an entrance door, in order to improve the safety, convenience and comfort of the family, a multifunctional entrance door will be used. This door not only has a stable anti-theft function, but also has good sound insulation and windproof performance, which can effectively improve the living environment and increase comfort.

[0003] In daily use, the door handle is rotated to control the lateral movement of the lock tongue, so that the lock tongue is released from the door frame, and the entrance door can move in a circular arc along the door frame, so as to achieve the effect of opening the entrance door. However, during long-term use, the friction between the lock tongue, the lock body and the door frame will cause the material to gradually wear, thereby affecting the normal function of the lock tongue, which may make it difficult to unlock or unable to lock normally. At this time, it is necessary to apply lubricating oil on the lock tongue to reduce the damage caused by friction.

[0004] Considering that in order to evenly apply the lubricating oil, the lock is usually removed and then the lubricating oil is applied to the surface of the lock tongue. This process may cause damage to the internal components of the lock due to the disassembly and reinstallation process, or cause the lock to malfunction due to improper assembly. Therefore, a multifunctional entrance door is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a multifunctional entrance door, which aims to improve the problem in the prior art that when applying lubricating oil, the lock part must be removed and then the lubricating oil is applied to the surface of the lock tongue, which may cause damage to the internal parts of the lock part during the disassembly and assembly process.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: a multifunctional entrance door, comprising a door frame, an entrance door is hingedly connected to the inner surface of the door frame, a lock body is inserted into the left side of the inner surface of the entrance door, the inner surface of the lock body is slidably connected to a lock tongue, the left side of the outer surface of the lock tongue is clamped with the inner surface of the door frame, an oil filling hole is provided at the top end of the outer surface of the left side of the lock body, an oil storage chamber is provided at the top end of the inner surface of the left side of the lock body, an oil block is connected to the piston at the bottom end of the inner surface of the oil storage chamber, the top end of the outer surface of the right side of the lock tongue is in contact with the bottom end of the outer surface of the oil block, and a switch assembly is provided on the inner surface of the entrance door.

[0007] As a further description of the above technical solution:

[0008] The switch assembly includes a door lock handle, which is provided in two groups. The rear ends of the outer surfaces of the door lock handles are both penetrated and rotatably connected to the inner surface of the lock body and the inner surface of the entrance door. The inner surface of the lock body and the inner surface of the entrance door are both penetrated and fixedly connected with a lock core.

[0009] As a further description of the above technical solution:

[0010] A guide column is fixedly connected to the right side of the outer surface of the lock tongue, and the outer surface of the guide column is slidably connected to the inner surface of the lock body.

[0011] As a further description of the above technical solution:

[0012] An oil inlet hole is provided at the top of the outer surface of the right side of the lock tongue, and an oil drainage groove is provided at the top of the inner surface of the lock tongue and the front end of the outer surface of the lock tongue.

[0013] As a further description of the above technical solution:

[0014] The inner surface of the oil filling hole is threadedly connected with a bolt, and the top and bottom ends of the outer surface on the left side of the lock body are fixedly connected to the left side of the inner surface of the entrance door through bolts.

[0015] As a further description of the above technical solution:

[0016] An oil inlet groove is provided at the bottom end of the outer surface of the left side of the oil block, and a column is fixedly connected to the top end of the outer surface of the oil block. The top end of the outer surface of the column is elastically connected to the top end of the inner surface of the lock body through a spring.

[0017] As a further description of the above technical solution:

[0018] One end of the spring is fixedly connected to the top end of the outer surface of the cylinder, and the other end of the spring is fixedly connected to the top end of the inner surface of the lock body.

[0019] As a further description of the above technical solution:

[0020] A maintenance plate is fixedly connected to the left side of the outer surface of the lock body by means of bolts, and the inner surface of the maintenance plate penetrates and is slidably connected to the outer surface of the lock tongue.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, by providing an oil storage chamber and an oil block, when the lock tongue is driven by the door lock handle and moves inward to a specified position, the oil block can be pushed out, so that the lubricating oil in the oil storage chamber can flow to the surface of the lock tongue, so that the lock tongue can be lubricated without disassembling the lock body.

[0023] 2. In the present invention, an oil inlet hole and an oil drain groove are provided on the lock tongue, so that the lubricating oil can flow into the oil drain groove along the oil inlet hole, so that the lubricating oil can be evenly distributed on the surface of the lock tongue, further improving the lubrication effect and avoiding local wear. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the main structure of a multifunctional entrance door proposed by the present utility model;

[0025] Figure 2 This is a side structural diagram of a multifunctional entrance door proposed by the present invention;

[0026] Figure 3 This is a schematic cross-sectional view of a lock body for a multifunctional entrance door proposed in the present invention;

[0027] Figure 4 This is a schematic diagram of the oil-blocking lifting structure of a multifunctional entrance door proposed by the present invention;

[0028] Figure 5 A multifunctional entrance door proposed by the utility model Figure 3 A in the middle is an enlarged structural diagram;

[0029] Figure 6 This is a schematic diagram of a multifunctional entrance door lock tongue structure proposed by the utility model;

[0030] Figure 7 The utility model is a schematic diagram of the cross-sectional structure of the top end of the lock tongue of a multifunctional entrance door.

[0031] Legend:

[0032] 1. Entrance door; 2. Door frame; 3. Door lock handle; 4. Lock body; 5. Lock tongue; 6. Oil filling hole; 7. Oil storage chamber; 8. Guide column; 9. Oil block; 10. Spring; 11. Oil inlet hole; 12. Oil drain groove; 13. Lock cylinder; 14. Maintenance plate; 15. Column; 16. Oil inlet groove. DETAILED DESCRIPTION

[0033] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0034] Reference Figure 1 , Figure 3 - Figure 4The utility model provides an embodiment of a multifunctional entrance door, comprising a door frame 2, an entrance door 1 being hingedly connected to the inner surface of the door frame 2, so that the entrance door 1 can be expanded outward along the inner surface of the door frame 2, a lock body 4 being inserted into the left side of the inner surface of the entrance door 1, so that the lock body 4 can move laterally along the inner surface of the entrance door 1, a lock tongue 5 being slidably connected to the inner surface of the lock body 4, so that the lock tongue 5 can move laterally along the inner surface of the lock body 4, the left side of the outer surface of the lock tongue 5 is clamped with the inner surface of the door frame 2, so that the entrance door 1 can be fixed in a specified position due to the clamping connection between the lock tongue 5 and the door frame 2, and an oil filling hole is provided on the top of the outer surface of the left side of the lock body 4 6, so that the lubricating oil can enter the oil storage chamber 7 along the oil filling hole 6, the top of the inner surface of the left side of the lock body 4 is provided with an oil storage chamber 7, so that the lubricating oil can be stored in the oil storage chamber 7, the piston at the bottom end of the inner surface of the oil storage chamber 7 is connected with an oil block 9, so that the oil block 9 can move vertically along the bottom end of the inner surface of the oil storage chamber 7 while preventing the lubricating oil from leaking, the top of the outer surface of the right side of the lock tongue 5 is in contact with the bottom end of the outer surface of the oil block 9, so that when the lock tongue 5 moves to the right, it can squeeze the bottom end of the oil block 9, so that the oil block 9 moves upward, and the inner surface of the entrance door 1 is provided with a switch assembly for operating the lock tongue 5 to move horizontally.

[0035] Reference Figure 2 , Figure 4 The switch assembly includes a door lock handle 3, which is provided with two groups, so that the lock tongue 5 can be operated on the outside and inside of the entrance door 1. The rear end of the outer surface of the door lock handle 3 penetrates and is rotatably connected to the inner surface of the lock body 4 and the inner surface of the entrance door 1, so that the door lock handle 3 can rotate along the inner surface of the lock body 4 and the inner surface of the entrance door 1. The inner surface of the lock body 4 and the inner surface of the entrance door 1 are penetrated and fixedly connected with a lock core 13 for controlling the extension and locking of the lock tongue 5. The right side of the outer surface of the lock tongue 5 is fixedly connected to a guide column 8, so that when the lock tongue 5 moves laterally, it can drive the guide column 8 to move together. The outer surface of the guide column 8 is slidably connected to the inner surface of the lock body 4, so that the guide column 8 can move laterally along the inner surface of the lock body 4, and drive the lock tongue 5 to move laterally along the specified position.

[0036] Reference Figure 3 , Figure 6 - Figure 7The top of the outer surface of the right side of the lock tongue 5 is provided with an oil inlet hole 11, so that the lubricating oil in the oil storage chamber 7 can enter the top of the inner surface of the lock tongue 5 along the oil inlet hole 11, and the top of the inner surface of the lock tongue 5 and the front end of the outer surface of the lock tongue 5 are provided with an oil-draining groove 12, so that when the lubricating oil enters the top of the inner surface of the lock tongue 5, it can be evenly distributed on the surface of the lock tongue 5 along the oil-draining groove 12, further improving the lubricating effect of the lubricating oil on the lock tongue 5, and the inner surface of the oil filling hole 6 is threadedly connected with a bolt, so that when the oil storage chamber 7 does not need to be oiled, the oil filling hole 6 can be blocked by the bolt to prevent the lubricating oil from leaking and contaminating. The top and bottom ends of the outer surface of the left side of the lock body 4 are fixedly connected to the left side of the inner surface of the entrance door 1 by bolts, so that after the lock body 4 is plugged into the entrance door 1, it can be fixed to the left side of the inner surface of the entrance door 1 by bolts.

[0037] Reference Figure 2 - Figure 3 , Figure 5 The bottom end of the outer surface of the left side of the oil block 9 is provided with an oil inlet groove 16, so that when the oil block 9 rises to the specified position, the lubricating oil inside the oil storage chamber 7 can flow into the oil inlet hole 11 at the top of the lock tongue 5 along the oil inlet groove 16. The top end of the outer surface of the oil block 9 is fixedly connected with a column 15, so that when the oil block 9 moves vertically, it can drive the column 15 to move together. The top end of the outer surface of the column 15 is elastically connected to the top end of the inner surface of the lock body 4 through a spring 10, so that the column 15 can always drive the oil block 9 to move downward without being affected by external force. The left side of the outer surface of the lock body 4 is fixedly connected with a maintenance The plate 14 enables the maintenance plate 14 to be fixed to the left side of the outer surface of the lock body 4 by bolts, one end of the spring 10 is fixedly connected to the top end of the outer surface of the column 15, and the other end of the spring 10 is fixedly connected to the top end of the inner surface of the lock body 4, so that when the lock tongue 5 stops squeezing the bottom end of the oil block 9, the oil block 9 can move downward due to the elastic force of the spring 10, blocking the oil outlet of the oil storage chamber 7. The inner surface of the maintenance plate 14 penetrates and is slidably connected to the outer surface of the lock tongue 5, so that the lock tongue 5 will not fall off when it moves to the left, and when the lock tongue 5 is maintained, the lock tongue 5 can be removed and maintained by removing the maintenance plate 14.

[0038] When the lock tongue 5 moves to the left, the squeezing of the bottom end of the oil block 9 is stopped, and the oil block 9 moves downward due to the elastic force of the spring 10, so that the oil block 9 blocks the oil outlet of the oil storage chamber 7.

[0039] 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 replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A multifunctional entrance door, comprising a door frame (2), characterized in that: The inner surface of the door frame (2) is hinged with an entrance door (1), the left side of the inner surface of the entrance door (1) is plugged with a lock body (4), the inner surface of the lock body (4) is slidably connected with a lock tongue (5), the left side of the outer surface of the lock tongue (5) is engaged with the inner surface of the door frame (2), an oil filling hole (6) is provided at the top of the outer surface of the left side of the lock body (4), an oil storage chamber (7) is provided at the top of the inner surface of the left side of the lock body (4), the bottom end of the inner surface of the oil storage chamber (7) is connected to an oil block (9) by a piston, the top of the outer surface of the right side of the lock tongue (5) is in contact with the bottom end of the outer surface of the oil block (9), and a switch assembly is provided on the inner surface of the entrance door (1).

2. A multifunctional entrance door according to claim 1, characterized in that: The switch assembly comprises a door lock handle (3), wherein the door lock handle (3) is provided in two groups, and the rear ends of the outer surfaces of the door lock handles (3) are both penetrated and rotatably connected to the inner surface of the lock body (4) and the inner surface of the entrance door (1), and the inner surface of the lock body (4) and the inner surface of the entrance door (1) are both penetrated and fixedly connected with a lock core (13).

3. The multifunctional entrance door according to claim 1, characterized in that: A guide column (8) is fixedly connected to the right side of the outer surface of the lock tongue (5), and the outer surface of the guide column (8) is slidably connected to the inner surface of the lock body (4).

4. The multifunctional entrance door according to claim 1, characterized in that: An oil inlet hole (11) is provided at the top of the outer surface of the right side of the lock tongue (5), and an oil-repellent groove (12) is provided at the top of the inner surface of the lock tongue (5) and the front end of the outer surface of the lock tongue (5).

5. The multifunctional entrance door according to claim 1, characterized in that: The inner surface of the oil filling hole (6) is threadedly connected with a bolt, and the top and bottom ends of the outer surface on the left side of the lock body (4) are fixedly connected to the left side of the inner surface of the entrance door (1) through bolts.

6. The multifunctional entrance door according to claim 1, characterized in that: An oil inlet groove (16) is provided at the bottom end of the outer surface of the left side of the oil blocking block (9), and a column (15) is fixedly connected to the top end of the outer surface of the oil blocking block (9), and the top end of the outer surface of the column (15) is elastically connected to the top end of the inner surface of the lock body (4) through a spring (10).

7. The multifunctional entrance door according to claim 6, characterized in that: One end of the spring (10) is fixedly connected to the top of the outer surface of the column (15), and the other end of the spring (10) is fixedly connected to the top of the inner surface of the lock body (4).

8. The multifunctional entrance door according to claim 1, characterized in that: A maintenance plate (14) is fixedly connected to the left side of the outer surface of the lock body (4) by means of bolts, and the inner surface of the maintenance plate (14) penetrates and is slidably connected to the outer surface of the lock tongue (5).