Energy-saving electric door closer

Abstract

The utility model discloses an energy-saving electric door closer which comprises an electric door closer body, a rotating rod is fixedly connected to the outer side of the output end of the electric door closer body, a rotating shaft is rotationally connected to the inner side of the rotating rod, and after the electric door closer body is installed on a wall above a door frame, the rotating shaft is fixedly connected to the rotating rod. The switching piece is matched with a screw hole formed in the switching piece to be connected with a pre-embedded screw of a door plate, the screw is rotated anticlockwise, the screw is loosened, the sliding piece is matched with a U-shaped limiting hole to slide to the needed position, the elasticity amplitude of the extension spring is set, then in the using process, the control end opens the electric door closer body to conduct the door closing action, and in the action executing process, the control end opens the electric door closer body to conduct the door closing action. The extension spring assists the electric door closer body in pulling the rotating rod and rotating the angle of the rotating rod, and cooperates with the rotating shaft and the telescopic rod to close the door plate through the base and the adapter piece, so that the output power required by the motor in the electric door closer body in the door plate closing process can be effectively reduced, energy is saved, and energy consumption is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of building doors and windows, and particularly relates to an energy-saving electric door closer. Background Art

[0002] An electric door closer is a device used to control the automatic closing of a door. It drives the door to close through an electric motor or a hydraulic motor. It is commonly used in automatic door systems in commercial and residential buildings. This device can improve the closing efficiency of the door, reduce the noise when the door closes, and ensure that the door moves smoothly and quietly when closing.

[0003] Some existing electric door closers mainly rely on motor-driven connecting rods to tighten door panels. In the process of tightening door panels, there is a lack of external assistance. When the door panels have a large weight, the motor needs a stronger output power to do work, resulting in energy waste. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide an energy-saving electric door closer to solve the problem that some of the existing electric door closers proposed in the above background technology mainly rely on the motor to drive the connecting rod to tighten the door panel, and lack external assistance in the process of tightening the door panel. When the door panel has a large weight, the motor needs a stronger output power to do work, resulting in energy waste.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an energy-saving electric door closer, comprising an electric door closer body, a rotary rod is fixedly connected to the outer side of the output end of the electric door closer body, a rotating shaft is rotatably connected to the inner side of the rotary rod, a telescopic rod is rotatably connected to the outer side of the rotating shaft, a base is fixedly connected to one side of the telescopic rod, a transfer plate is rotatably connected to the inner side of the base, a screw is threadedly connected to one side of the rotary rod, a sliding plate is movably connected to the outer side of the screw through a limiting hole, a first ring is fixedly connected to one side of the sliding plate, a tension spring is fixedly connected to the inner side of the first ring, a second ring is fixedly connected to the inner side of one end of the tension spring, and the electric door closer body is fixedly connected to the top of the second ring.

[0006] Preferably, the tension spring is made of high carbon steel, and a first ring is fixedly connected to the inner side of one end of the tension spring.

[0007] Preferably, the limiting hole is a U-shaped structure, a screw rod is movably connected to the inner side of the limiting hole, and a rotating rod is threadedly connected to the outer side of the screw rod.

[0008] Preferably, one side of the rotary rod is fixedly connected to a limiting bar, two limiting bars are symmetrically arranged, and sliding plates are movably connected between adjacent limiting bars.

[0009] Preferably, a ruler is fixedly connected to one side of one of the limit bars, and a rotating rod is fixedly connected to the other side of the limit bars.

[0010] Preferably, a gasket is movably connected to the outer side of one end of the screw rod, and a rotating rod is threadedly connected to the outer side of the screw rod.

[0011] Preferably, a push button is fixedly connected to one side of the slide, a screw rod is movably connected to the inner side of the slide through a limiting hole, and a rotating rod is threadedly connected to the outer side of the screw rod.

[0012] Preferably, the outer surfaces of the rotating rod, the rotating shaft, the telescopic rod and the base are all provided with an electroplated anti-oxidation coating.

[0013] Compared with the prior art, the utility model provides an energy-saving electric door closer having the following

[0014] Beneficial effects:

[0015] 1. The utility model provides a tension spring, wherein the inner side of one end of the tension spring is fixedly connected with a second ring, the top of the second ring is fixedly connected with the electric door closer body, the inner side of the other end of the tension spring is fixedly connected with a first ring, and one side of the first ring is fixedly connected with a sliding piece. After the electric door closer body is installed on the wall above the door frame, the adapter piece is connected with the embedded screw of the door panel in cooperation with the screw hole provided in the adapter piece, the screw is rotated counterclockwise and loosened, and the sliding piece is slid to the desired position in cooperation with the U-shaped limiting hole, and the elastic force amplitude of the tension spring is set. Then, when in use, the control end opens the electric door closer body to close the door. During the execution of the action, the tension spring assists the electric door closer body to pull the rotary rod, rotate the angle of the rotary rod, and cooperate with the rotating shaft and the telescopic rod to close the door panel via the base and the adapter piece, which can effectively reduce the output power required by the motor in the electric door closer body during the closing of the door panel, thereby saving energy and reducing energy consumption.

[0016] 2. The utility model provides a limit bar, one side of which is fixedly connected with a rotating rod, and adjacent limit bars are movably connected with a sliding plate, which can effectively reduce the swing amplitude of the sliding plate during long-term use;

[0017] 3. The utility model provides a gasket, the inner side of the gasket is movably connected with a screw rod, and the outer side of the screw rod is threadedly connected with a rotating rod, which can effectively reduce the looseness of the screw rod during long-term use and ensure the stability of the screw rod.

[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 an energy-saving electric door closer proposed by the utility model;

[0021] Figure 2 for Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0022] Figure 3 This is a schematic diagram of the top view of the structure of an energy-saving electric door closer proposed by the utility model;

[0023] Figure 4 for Figure 3 A schematic diagram of the enlarged structure at B in the middle;

[0024] Figure 5 This is a schematic diagram of the front structure of an energy-saving electric door closer proposed by the utility model;

[0025] Figure 6 A schematic diagram of the side structure of an energy-saving electric door closer proposed by the utility model;

[0026] In the figure: the electric door closer body 1, the rotary rod 2, the rotating shaft 3, the telescopic rod 4, the base 5, the adapter plate 6, the screw rod 7, the limit hole 8, the slide plate 9, the first ring 10, the tension spring 11, the second ring 12, the gasket 13, the limit strip 14, the ruler 15, and the push button 16. 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: an energy-saving electric door closer, comprising an electric door closer body 1, a rotary rod 2 is fixedly connected to the outer side of the output end of the electric door closer body 1, a rotating shaft 3 is rotatably connected to the inner side of the rotary rod 2, a telescopic rod 4 is rotatably connected to the outer side of the rotating shaft 3, a base 5 is fixedly connected to one side of the telescopic rod 4, an adapter 6 is rotatably connected to the inner side of the base 5, a screw 7 is threadedly connected to one side of the rotary rod 2, a slide 9 is movably connected to the outer side of the screw 7 through a limiting hole 8, a first ring 10 is fixedly connected to one side of the slide 9, a tension spring 11 is fixedly connected to the inner side of the first ring 10, a second ring 12 is fixedly connected to the inner side of one end of the tension spring 11, and the top of the second ring 12 is fixedly connected to the electric door closer body 1, and the electric door closer body 1 is connected to the electric door closer body 1. After the electric door closer body 1 is installed on the wall above the door frame, the adapter plate 6 is connected with the embedded screw of the door panel in cooperation with the screw hole set in the adapter plate 6, the screw rod 7 is rotated counterclockwise and loosened, the slide plate 9 is slid to the desired position in cooperation with the U-shaped limit hole 8, the elastic force amplitude of the tension spring 11 is set, and then when in use, the control end opens the electric door closer body 1 to close the door. During the execution of the action, the tension spring 11 assists the electric door closer body 1 to pull the rotary rod 2, rotate the angle of the rotary rod 2, and cooperate with the rotating shaft 3 and the telescopic rod 4 to close the door panel via the base 5 and the adapter plate 6, which can effectively reduce the output power required by the motor in the electric door closer body 1 during the closing process of the door panel, thereby saving energy and reducing energy consumption.

[0029] In the present invention, preferably, the tension spring 11 is made of high carbon steel, and the inner side of one end of the tension spring 11 is fixedly connected with the first ring 10, which has better elastic properties.

[0030] In the utility model, preferably, the limiting hole 8 is a U-shaped structure, the inner side of the limiting hole 8 is movably connected with a screw rod 7, and the outer side of the screw rod 7 is threadedly connected with a rotating rod 2, which can effectively fine-tune the horizontal position of the slide 9 and adjust the elasticity of the tension spring 11.

[0031] In the utility model, preferably, one side of the rotary rod 2 is fixedly connected with a limiting bar 14, two limiting bars 14 are symmetrically arranged, and a slide 9 is movably connected between adjacent limiting bars 14, which can effectively ensure the swing amplitude of the slide 9 during use.

[0032] In the present invention, preferably, a ruler 15 is fixedly connected to one side of one limit bar 14 , and a rotating rod 2 is fixedly connected to the other side of the limit bar 14 , so as to effectively mark the movement range of the slide 9 .

[0033] In the utility model, preferably, a gasket 13 is movably connected to the outer side of one end of the screw rod 7, and a rotating rod 2 is threadedly connected to the outer side of the screw rod 7, which can effectively reduce the looseness of the screw rod 7 during long-term use and ensure the stability of the screw rod 7.

[0034] In the utility model, preferably, a push button 16 is fixedly connected to one side of the slide 9, a screw rod 7 is movably connected to the inner side of the slide 9 through a limiting hole 8, and a rotating rod 2 is threadedly connected to the outer side of the screw 7, which effectively facilitates personnel to push the slide 9 to move after pinching.

[0035] In the utility model, preferably, the outer surfaces of the rotating rod 2, the rotating shaft 3, the telescopic rod 4 and the base 5 are all provided with an electroplated anti-oxidation coating, which can effectively reduce the risk of decreased material strength due to oxidation and corrosion.

[0036] The working principle and use process of the utility model are as follows: when in use, after the electric door closer body 1 is installed on the wall above the door frame, the adapter plate 6 is connected with the pre-buried screw of the door panel in cooperation with the screw hole provided in the adapter plate 6, the screw rod 7 is rotated counterclockwise and loosened, the slide plate 9 is slid to the required position in cooperation with the U-shaped limiting hole 8, the elastic force amplitude of the tension spring 11 is set, and then when in use, the control end opens the electric door closer body 1 to close the door. During the execution of the action, the tension spring 11 assists the electric door closer body 1 to pull the rotary rod 2, rotates the angle of the rotary rod 2, and cooperates with the rotating shaft 3 and the telescopic rod 4 to close the door panel via the base 5 and the adapter plate 6, which can effectively reduce the output power required by the motor in the electric door closer body 1 in the process of closing the door panel, thereby saving energy and reducing energy consumption.

[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. An energy-saving electric door closer, comprising an electric door closer body (1), characterized in that: The outer side of the output end of the electric door closer body (1) is fixedly connected with a rotary rod (2), the inner side of the rotary rod (2) is rotatably connected with a rotating shaft (3), the outer side of the rotating shaft (3) is rotatably connected with a telescopic rod (4), one side of the telescopic rod (4) is fixedly connected with a base (5), the inner side of the base (5) is rotatably connected with an adapter plate (6), one side of the rotary rod (2) is threadedly connected with a screw rod (7), the outer side of the screw rod (7) is movably connected with a slide plate (9) through a limiting hole (8), one side of the slide plate (9) is fixedly connected with a first sleeve ring (10), the inner side of the first sleeve ring (10) is fixedly connected with a tension spring (11), the inner side of one end of the tension spring (11) is fixedly connected with a second sleeve ring (12), and the top of the second sleeve ring (12) is fixedly connected with the electric door closer body (1).

2. The energy-saving electric door closer according to claim 1, characterized in that: The tension spring (11) is made of high carbon steel, and a first ring (10) is fixedly connected to the inner side of one end of the tension spring (11).

3. The energy-saving electric door closer according to claim 1, characterized in that: The limiting hole (8) is a U-shaped structure, the inner side of the limiting hole (8) is movably connected to a screw rod (7), and the outer side of the screw rod (7) is threadedly connected to a rotating rod (2).

4. The energy-saving electric door closer according to claim 1, characterized in that: One side of the rotary rod (2) is fixedly connected to a limiting strip (14), two limiting strips (14) are symmetrically arranged, and a slide plate (9) is movably connected between adjacent limiting strips (14).

5. The energy-saving electric door closer according to claim 4, characterized in that: One side of one of the limiting strips (14) is fixedly connected to a scale (15), and the other side of the limiting strips (14) is fixedly connected to a rotating rod (2).

6. The energy-saving electric door closer according to claim 1, characterized in that: A gasket (13) is movably connected to the outer side of one end of the screw rod (7), and a rotating rod (2) is threadedly connected to the outer side of the screw rod (7).

7. The energy-saving electric door closer according to claim 1, characterized in that: A push button (16) is fixedly connected to one side of the slide (9), a screw rod (7) is movably connected to the inner side of the slide (9) through a limiting hole (8), and a rotating rod (2) is threadedly connected to the outer side of the screw rod (7).

8. The energy-saving electric door closer according to claim 1, characterized in that: The outer surfaces of the rotating rod (2), the rotating shaft (3), the telescopic rod (4) and the base (5) are all provided with an electroplated anti-oxidation coating.

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