Multifunctional electric door closer
By integrating induction lights in the multi-function electric door closet, the problem of the lack of auxiliary lighting of the existing electric door closet is solved, and the lighting of the corridor at night is realized, preventing falls and injuries, and improving the stability and durability of the device.
Patent Information
- Application Number
- CN202421724815.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-22
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-07-22
AI Technical Summary
The existing multi-function electric door closet lacks auxiliary lighting, which makes the corridor too dark at night, which may cause people to fall and get injured.
A multi-function electric door closet is designed, with integrated induction lights. The induction light is fixed to the door through the structure of the connecting seat, fixing plate and door closet body. When someone passes by, the induction light automatically illuminates the stairwell to prevent falling.
It effectively prevents falls and collisions caused by too dark stairwells at night. At the same time, the stability and durability of the device are improved through designs such as protective shells and antioxidant coatings.
Smart Images

Figure CN222894161U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of mechanical engineering, and specifically relates to a multifunctional electric door closer. Background Art
[0002] An electric door closer is a device that automatically controls the opening and closing of a door. It is driven by electricity to achieve automated operation of the door, improving the efficiency of door opening and closing while also reducing labor costs. It is usually composed of an electric motor, a transmission device, a control system and other parts, and can adjust the door's opening. It is safe, convenient and quiet, and is widely used in construction, industry, shopping malls and other fields. Among them, the multifunctional electric door closer is based on the traditional electric door closer and adds more functions to meet the use of different occasions and different needs. It not only has the function of automatically controlling the opening and closing of the door, but also can achieve multiple functions such as door opening adjustment, speed control and safety protection.
[0003] Some existing multifunctional electric door closers do not have an auxiliary lighting structure, and when people pass by at night, they may fall and get injured because the corridor is too dark. Utility Model Content
[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a multifunctional electric door closer to solve the problem that some existing multifunctional electric door closers proposed in the above background technology have no auxiliary lighting structure, and people passing by at night may fall and collide because the corridor is too dark.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multifunctional electric door closer, comprising a door closer body, a first bolt is threadedly connected to the inner side of the bottom of the door closer body, a connecting rod is movably connected to the outer side of the first bolt, one end of the connecting rod is rotatably connected to a rotating arm, one end of the rotating arm is rotatably connected to an adapter plate, a second bolt is threadedly connected to the inner side of the adapter plate, two second bolts are symmetrically arranged, a fixing plate is fixedly connected to one side of the bottom of the door closer body, two fixing plates are symmetrically arranged, the bottom of each fixing plate is fixedly connected to a connecting seat, and an induction lamp is fixedly connected to the inner side of each connecting seat.
[0006] Preferably, the inner side of the fixing plate is threadedly connected with a third bolt, and a plurality of the third bolts are symmetrically arranged. The outer side of the third bolt is movably connected with a fixing bar, and two fixing bars are symmetrically arranged. The bottom of the fixing bar is fixedly connected with a protective shell, and two protective shells are symmetrically arranged. The protective shell is made of transparent material.
[0007] Preferably, a spring is movably connected to the outer side of each of the third bolts, and the spring is located on one side of the fixing bar.
[0008] Preferably, a ventilation plate is fixedly connected to one side of the protective shell, and a plurality of ventilation plates are symmetrically arranged, and a plurality of ventilation holes are arranged on the inner side of the ventilation plate.
[0009] Preferably, one side of the fixing plate is fixedly connected to a limiting strip, a plurality of the limiting strips are symmetrically arranged, and the limiting strips are located at one side of the connecting seat.
[0010] Preferably, one side of the limit strip is fixedly connected with a triangular plate, a plurality of the triangular plates are symmetrically arranged, and the top of the triangular plates is fixedly connected with a door closer body.
[0011] Preferably, a gasket is movably connected to the outer side of one end of the first bolt, and a connecting rod is movably connected to the top of the gasket.
[0012] Preferably, the outer surfaces of the first bolt and the second bolt are both provided with an anti-oxidation coating.
[0013] Compared with the prior art, the utility model provides a multifunctional electric door closer having the following features:
[0014] Beneficial effects:
[0015] 1. The utility model sets an induction lamp, the top of the induction lamp is fixedly connected with a connection seat, the top of the connection seat is fixedly connected with a fixing plate, the top of the fixing plate is fixedly connected with a door closer body. When the device is used, the door closer body is fixed to the wall on the door by a limit nail, and then the connecting rod is threadedly connected to the door closer body by a first bolt, and then the adapter is fixedly connected to the door by a second bolt. When someone passes by, the induction lamp will illuminate the stairwell, effectively preventing people from falling and getting injured due to the dimness of the stairwell when passing by at night;
[0016] 2. The utility model provides a gasket, and the outer side of the first bolt is movably connected with the gasket, which effectively increases the stability of the first bolt and prevents the first bolt from loosening and falling off;
[0017] 3. The utility model provides a protective shell, one side of the protective shell is fixedly connected to a fixing strip, the inner side of the fixing strip is movably connected to a third bolt, and the outer side of the third bolt is threadedly connected to a fixing plate, so as to effectively protect the induction lamp and prevent the induction lamp from being damaged by impact of foreign objects.
[0018] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The utility model has a scientific and reasonable structure, is safe and convenient to use, and provides great help to people. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0020] Figure 1 This is a schematic diagram of the axonometric structure of a multifunctional electric door closer proposed by the utility model;
[0021] Figure 2 for Figure 2 A schematic diagram of the enlarged structure at A in the middle;
[0022] Figure 3 This is an axonometric structural diagram of a multifunctional electric door closer lighting structure proposed by the utility model;
[0023] Figure 4 This is a schematic diagram of the top view of a multifunctional electric door closer proposed by the utility model;
[0024] Figure 5 This is a schematic diagram of the structure of one side of a multifunctional electric door closer proposed by the utility model;
[0025] Figure 6 This is a bottom structural schematic diagram of a multifunctional electric door closer proposed by the utility model;
[0026] In the figure: door closer body 1, first bolt 2, connecting rod 3, rotating arm 4, adapter plate 5, second bolt 6, fixing plate 7, connecting seat 8, induction lamp 9, third bolt 10, fixing bar 11, protective shell 12, spring 13, ventilation plate 14, limit bar 15, triangular plate 16, gasket 17. DETAILED DESCRIPTION
[0027] 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.
[0028] See also Figure 1-6The utility model provides a technical solution: a multifunctional electric door closer, including a door closer body 1, a first bolt 2 is threadedly connected to the inner side of the bottom of the door closer body 1, a connecting rod 3 is movably connected to the outer side of the first bolt 2, one end of the connecting rod 3 is rotatably connected to a rotating arm 4, and one end of the rotating arm 4 is rotatably connected to an adapter plate 5, a second bolt 6 is threadedly connected to the inner side of the adapter plate 5, and two second bolts 6 are symmetrically arranged. A fixing plate 7 is fixedly connected to one side of the bottom of the door closer body 1, and the fixing plate 7 is symmetrically arranged. The bottom of the fixing plate 7 is fixedly connected to a connecting seat 8, and the inner side of the connecting seat 8 is fixedly connected to an induction lamp 9. When the device is used, the door closer body 1 is fixed to the wall on the door by a limit nail, and then the connecting rod 3 is threadedly connected to the door closer body 1 by the first bolt 2, and then the adapter plate 5 is fixedly connected to the door by the second bolt 6. When someone passes by, the induction lamp 9 will illuminate the stairwell, which effectively prevents people from falling and getting injured due to the dimness of the stairwell when passing by at night.
[0029] In the utility model, preferably, the inner side of the fixing plate 7 is threadedly connected with a third bolt 10, and a plurality of the third bolts 10 are symmetrically arranged. The outer side of the third bolt 10 is movably connected with a fixing bar 11, and two fixing bars 11 are symmetrically arranged. The bottom of the fixing bar 11 is fixedly connected with a protective shell 12, and two protective shells 12 are symmetrically arranged. The protective shell 12 is made of transparent material, which effectively protects the induction lamp 9 and prevents the induction lamp 9 from being damaged by external impact and affecting the lighting of the induction lamp 9.
[0030] In the present invention, preferably, the outer side of the third bolt 10 is movably connected with a spring 13, and the spring 13 is located on one side of the fixing bar 11, which effectively increases the stability of the third bolt 10 and prevents the third bolt 10 from loosening and falling off.
[0031] In the utility model, preferably, a ventilation plate 14 is fixedly connected to one side of the protective shell 12, and a plurality of ventilation plates 14 are symmetrically arranged, and a plurality of ventilation holes are arranged on the inner side of the ventilation plate 14, which effectively and conveniently dissipates the heat generated by the induction lamp 9 through the ventilation holes in the ventilation plate 14.
[0032] In the utility model, preferably, a limiting strip 15 is fixedly connected to one side of the fixing plate 7, and a plurality of limiting strips 15 are symmetrically arranged. The limiting strips 15 are located on one side of the connecting seat 8, which effectively limits the protective shell 12 to prevent the protective shell 12 from being offset during the movement and adjustment process.
[0033] In the present invention, preferably, one side of the limit strip 15 is fixedly connected with a triangular plate 16 , a plurality of triangular plates 16 are symmetrically arranged, and the top of the triangular plates 16 is fixedly connected with the door closer body 1 , which effectively increases the structural stability of the limit strip 15 .
[0034] In the utility model, preferably, a gasket 17 is movably connected to the outer side of one end of the first bolt 2 , and a connecting rod 3 is movably connected to the top of the gasket 17 , which effectively increases the stability of the first bolt 2 .
[0035] In the present invention, preferably, the outer surfaces of the first bolt 2 and the second bolt 6 are both provided with an anti-oxidation coating, which effectively increases the anti-oxidation capacity of the first bolt 2 and the second bolt 6 and prevents them from oxidation and rusting.
[0036] The working principle and use process of the utility model are as follows: when in use, the door closer body 1 is fixed to the wall on the door by means of the limit nails, and then the connecting rod 3 is threadedly connected to the door closer body 1 by means of the first bolt 2, and then the adapter plate 5 is fixedly connected to the door by means of the second bolt 6. When someone passes by, the induction light 9 will illuminate the stairwell, effectively preventing people from falling and getting injured when passing by at night due to the stairwell being too dark.
[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A multifunctional electric door closer, comprising a door closer body (1), characterized in that: The inner side of the bottom of the door closer body (1) is threadedly connected to a first bolt (2), the outer side of the first bolt (2) is movably connected to a connecting rod (3), one end of the connecting rod (3) is rotatably connected to a rotating arm (4), one end of the rotating arm (4) is rotatably connected to an adapter plate (5), the inner side of the adapter plate (5) is threadedly connected to a second bolt (6), two of the second bolts (6) are symmetrically arranged, one side of the bottom of the door closer body (1) is fixedly connected to a fixing plate (7), two of the fixing plates (7) are symmetrically arranged, the bottom of each of the fixing plates (7) is fixedly connected to a connecting seat (8), and the inner side of each of the connecting seats (8) is fixedly connected to an induction lamp (9).
2. A multifunctional electric door closer according to claim 1, characterized in that: The inner side of the fixing plate (7) is threadedly connected with a third bolt (10), and a plurality of the third bolts (10) are symmetrically arranged. The outer side of the third bolt (10) is movably connected with a fixing bar (11), and two of the fixing bars (11) are symmetrically arranged. The bottom of the fixing bar (11) is fixedly connected with a protective shell (12), and two of the protective shells (12) are symmetrically arranged. The protective shells (12) are made of transparent material.
3. A multifunctional electric door closer according to claim 2, characterized in that: The outer sides of the third bolts (10) are movably connected with springs (13), and the springs (13) are located on one side of the fixing strip (11).
4. A multifunctional electric door closer according to claim 2, characterized in that: A ventilation plate (14) is fixedly connected to one side of the protective shell (12), a plurality of ventilation plates (14) are symmetrically arranged, and a plurality of ventilation holes are arranged inside the ventilation plates (14).
5. The multifunctional electric door closer according to claim 1, characterized in that: A limiting strip (15) is fixedly connected to one side of the fixing plate (7), and a plurality of limiting strips (15) are symmetrically arranged. The limiting strips (15) are located on one side of the connecting seat (8).
6. A multifunctional electric door closer according to claim 5, characterized in that: One side of the limiting strip (15) is fixedly connected to a triangular plate (16), a plurality of triangular plates (16) are symmetrically arranged, and the top of each triangular plate (16) is fixedly connected to a door closer body (1).
7. The multifunctional electric door closer according to claim 1, characterized in that: A gasket (17) is movably connected to the outer side of one end of the first bolt (2), and a connecting rod (3) is movably connected to the top of the gasket (17).
8. The multifunctional electric door closer according to claim 1, characterized in that: The outer surfaces of the first bolt (2) and the second bolt (6) are both provided with an anti-oxidation coating.