Electromagnetic door lock

Abstract

The utility model relates to the field of door locks, in particular to an electromagnetic door lock. The electromagnetic door lock comprises a shell, an electromagnet and a circuit board are arranged in the shell, the circuit board and the electromagnet are electrically connected in sequence, and a transformer is arranged on the circuit board; an iron plate is further included and located outside the shell, and the iron plate corresponds to the electromagnet. The electromagnetic door lock provided by the utility model has the advantages that the transformer is integrated in the door lock, and an external transformer and wiring are not needed.

Description

Technical Field

[0001] The utility model relates to the field of door locks, in particular to an electromagnetic door lock. Background Art

[0002] The existing magnetic locks use 12V low voltage electricity and need to externally connect a 220V to 12V transformer power supply, and the wiring is cumbersome and complex.

[0003] For example, the patent document with the publication number CN103670035A discloses an electromagnetic door lock cut-off detection type energy-saving and power-saving device, which includes: an electromagnet assembly and a corresponding adsorption assembly. The electromagnet assembly is connected with a cut-off detection module, and the adsorption assembly is provided with a pressing unit that can abut against the cut-off detection module. Thus, when the door is closed, the electromagnet assembly adsorbs the adsorption assembly by magnetic force.

[0004] Again, the patent document with the publication number CN207813246U discloses a distribution transformer fence electromagnetic door lock, which includes a power supply module, an electronic switch, an electromagnetic door lock, a controller, a voltage transformer and an alarm; wherein the power supply module supplies power to the electronic switch and the controller, the output ends of the voltage transformer and the electromagnetic door lock are both connected to the input end of the controller, the output end of the controller is connected to the alarm, the output end of the controller is connected to the input end of the electronic switch, and the output end of the electronic switch is connected to the input end of the electromagnetic door lock.

[0005] Therefore, an electromagnetic door lock is proposed to solve the above technical problems. Content of the Utility Model

[0006] In order to solve the above technical problems, the purpose of the utility model is to provide an electromagnetic door lock, which has the advantages of integrating the transformer into the door lock internally and eliminating the need for external connection and wiring.

[0007] The technical solution adopted by the utility model to solve the problem is: an electromagnetic door lock, including: a housing, an electromagnet and a circuit board are arranged inside the housing, the circuit board is electrically connected to the electromagnet, and a transformer is arranged on the circuit board; it further includes an iron plate, the iron plate is located outside the housing, and the iron plate corresponds to the electromagnet.

[0008] As a further improvement of the above technical solution, a plug is electrically connected to the electromagnet, a socket is arranged on the circuit board, and the plug and the socket are adapted to each other.

[0009] As a further improvement of the above technical solution, the cross section of the housing is U-shaped, a bottom plate is arranged at the bottom inside the housing, and plugs are arranged at both ends of the bottom plate, and the plugs are adapted to the housing.

[0010] As a further improvement of the above technical solution, both the electromagnet and the circuit board are installed in the housing by bolts.

[0011] As a further improvement of the above technical solution, a baffle is provided on the opening side of the housing, and the baffle corresponds to the circuit board.

[0012] As a further improvement of the above technical solution, a connecting block is provided inside the baffle, and the connecting block is fixedly connected to the housing by bolts.

[0013] The beneficial effect of the present utility model is that by integrating the transformer into the circuit board inside the magnetic lock, the trouble and cumbersome wiring of the original external transformer are eliminated. Description of the Drawings

[0014] The present utility model will be further explained below in conjunction with the description of the drawings and the specific embodiments.

[0015] Figure 1 is a schematic structural diagram of a preferred embodiment of the present utility model;

[0016] Figure 2 is Figure 1 the exploded view shown.

[0017] In the figure: 1, housing; 3, electromagnet; 4, iron plate; 5, circuit board; 51, transformer; 52, socket; 6, plug; 7, bottom plate; 71, plug; 8, baffle; 81, connecting block. Specific Embodiments

[0018] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The role of the drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but it cannot be understood as a limitation on the protection scope of the present utility model.

[0019] In the description of the present utility model, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model.

[0020] In the description of the present utility model, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, exceeding, etc. are understood as not including the present number, and above, below, within, etc. are understood as including the present number. If there is a description of first and second, it is only for the purpose of distinguishing technical features and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0021] In the description of the present utility model, unless otherwise clearly defined, terms such as "arrangement", "installation", "connection", etc. shall be understood in a broad sense, and those skilled in the relevant technical field can reasonably determine the specific meanings of the above terms in the present utility model in combination with the specific content of the technical solution.

[0022] Referring to Figures 1 to 2 , an electromagnetic door lock includes: a housing 1, an electromagnet 3 and a circuit board 5 are provided inside the housing 1, the circuit board 5 is electrically connected to the electromagnet 3, and a transformer 51 is provided on the circuit board 5; it also includes an iron plate 4, the iron plate 4 is located outside the housing 1 and corresponds to the electromagnet 3. When in use, the circuit board supplies power to the electromagnet 3 after being stepped down by the transformer 51, and the electromagnet 3 can adsorb the iron plate 4 to achieve locking; wherein, the housing 1 is fixedly installed on the door frame, and the iron plate 4 is fixedly installed on the door leaf. Since both the circuit board 5 and the electromagnet 3 are integrated inside the housing 1, the trouble of externally connecting a transformer and the cumbersome wiring in the prior art are eliminated.

[0023] As a preferred embodiment, a plug 6 is electrically connected to the electromagnet 3, a socket 52 is provided on the circuit board 5, and the plug 6 and the socket 52 are adapted to each other. Through the plug 6 and the socket 52, it is convenient to electrically connect the circuit board 5 and the circuit board 5 to the electromagnet 3.

[0024] As a preferred embodiment, the cross-section of the housing 1 is U-shaped, a bottom plate 7 is provided at the bottom inside the housing 1, and plugs 71 are provided at both ends of the bottom plate 7, and the plugs 71 are adapted to the housing 1. The bottom plate 7 can increase the strength of the housing 1, and the plugs 71 are used to block both ends of the housing 1.

[0025] As a preferred embodiment, both the electromagnet 3 and the circuit board 5 are installed in the housing 1 by bolts.

[0026] As a preferred embodiment, a baffle 8 is provided on the opening side of the housing 1, and the baffle 8 corresponds to the circuit board 5. The baffle 8 can prevent the circuit board 5 from being exposed, thereby playing a role in protecting the circuit board 5.

[0027] As a preferred embodiment, a connecting block 81 is provided inside the baffle 8, and the connecting block 81 is fixedly connected to the housing 1 by bolts. The connecting block 81 is used to realize the connection and fixation of the baffle 8 and the housing 1.

[0028] The above are only the preferred embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structural transformation made under the inventive concept of the present utility model by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, is included in the patent protection scope of the present utility model.

Claims

1. An electromagnetic door lock, characterized in that, Comprising: A housing (1), within which an electromagnet (3) and a circuit board (5) are provided. The circuit board (5) is electrically connected to the electromagnet (3), and a transformer (51) is provided on the circuit board (5); further comprising an iron plate (4), which is located outside the housing (1) and corresponds to the electromagnet (3).

2. An electromagnetic door lock according to claim 1, characterized in that: A plug (6) is electrically connected to the electromagnet (3), and a socket (52) is provided on the circuit board (5), and the plug (6) and the socket (52) are adapted to each other.

3. An electromagnetic door lock according to claim 1 or 2, characterized in that: The cross-section of the housing (1) is U-shaped, a bottom plate (7) is provided at the bottom inside the housing (1), and plugs (71) are provided at both ends of the bottom plate (7), and the plugs (71) are adapted to the housing (1).

4. An electromagnetic door lock according to claim 3, characterized in that: Both the electromagnet (3) and the circuit board (5) are installed in the housing (1) by bolts.

5. An electromagnetic door lock according to claim 4, characterized in that: A baffle (8) is provided on the opening side of the housing (1), and the baffle (8) corresponds to the circuit board (5).

6. An electromagnetic door lock according to claim 5, characterized in that: A connecting block (81) is provided inside the baffle (8), and the connecting block (81) is fixedly connected to the housing (1) by bolts.

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