Electromagnetic alarm based on ABS box bottom

Abstract

The utility model discloses an electromagnetic alarm based on an ABS box bottom, and relates to the technical field of electromagnetic alarms. The electromagnetic alarm based on the ABS box bottom comprises the box bottom, an edge covering shell is installed on the outer edge of the bottom of the box bottom, an inner cavity is formed between the box bottom and the edge covering shell in a sealed mode, a sound outlet hole is formed in the center of the bottom of the edge covering shell, and an alarm assembly matched with the sound outlet hole to give out a sound alarm is installed in the inner cavity. The box bottom is made of an ABS material; the box bottom is made of the ABS material, the ABS material not only has good mechanical performance and processing performance, but also has high impact strength and corrosion resistance, and due to the fact that the internal structure of the product is not adjusted, the performance of the product is the same as that before modification, but the manufacturing cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electromagnetic alarm, concretely to an electromagnetic alarm based on ABS box bottom. BACKGROUND

[0002] The working principle of the electromagnetic alarm is that a certain magnetic field is generated after the external power supply is energized, so that the internal electromagnet attracts the iron sheet, the iron sheet collides with the air cavity to produce sound, thereby realizing the alarm function; the electromagnetic alarm is widely used in various occasions requiring safety protection, such as warehouses, schools, hospitals, etc.

[0003] Referring to the patent application disclosed in the patent application with the publication number CN204392718U, a stable electromagnetic alarm includes a terminal post, a magnetic yoke, a vibrating sheet, a base, a diaphragm, and a box bottom. The magnetic yoke and the vibrating sheet are detachably fixed on the base, and the terminal post is fixed on the base. The magnetic yoke is composed of a pole shoe, a magnetic steel, and two groups of coils. The coils are connected to the terminal post by wires. The pole shoe symmetrically covers the two ends of the coil. The two ends of the vibrating sheet correspond to the two ends of the coil covered by the pole shoe. A vibrating rod is arranged on one end of the terminal post on the vibrating sheet. The vibrating rod penetrates the diaphragm. The bottom of the box bottom is sealed by a wrapped edge shell. The edge of the wrapped edge shell can wrap the outer periphery of the base. The bottom of the box bottom is a C-shaped section that can simultaneously clamp the wrapped edge shell and the base. At least four inwardly curled mouths are arranged on the wrapped edge shell. The edge of the base is provided with a clamping groove matched with the mouths.

[0004] As shown in the prior art, the box bottom and the wrapped edge shell used in the electromagnetic alarm of the prior art are usually made of aluminum material. In mass production, the consumption of aluminum material is large, and the production cost is high. Moreover, the electromagnetic alarm of the prior art is difficult to resist the impact of external force and is prone to deformation or damage under the action of external force.

[0005] Therefore, it is necessary to provide an electromagnetic alarm based on an ABS box bottom to solve the above technical problems. CONTENT OF THE UTILITY MODEL

[0006] (I) Technical problems solved

[0007] To solve the above technical problems, the utility model provides an electromagnetic alarm based on an ABS box bottom.

[0008] (II) Technical solutions

[0009] To achieve the above purpose, the utility model is implemented by the following technical solutions: an electromagnetic alarm based on an ABS box bottom, including a box bottom, a wrapped edge shell is installed on the outer edge of the bottom of the box bottom, an inner cavity is formed by sealing between the box bottom and the wrapped edge shell, a sound hole is formed in the center of the bottom of the wrapped edge shell, and an alarm assembly for emitting a sound alarm matched with the sound hole is installed in the inner cavity.

[0010] The box bottom is made of ABS material; the outer edge of the bottom of the box bottom is outwardly bent and extended to form a curved edge, the upper edge of the edge covering shell is extended upwards above the curved edge and inwardly buckled to form a buckled edge above the curved edge, and the top of the curved edge is tightly attached to the bottom of the buckled edge; a reinforcing structure is installed on the box bottom for the overall strength of the box bottom.

[0011] Preferably, the reinforcing structure is provided with two groups, the first reinforcing structure is arranged on the top of the inner wall of the box bottom for reinforcing the strength of the inner wall of the box bottom, and the second reinforcing structure is arranged on the curved edge of the outer wall of the box bottom for reinforcing the strength of the curved edge.

[0012] The first reinforcing structure comprises reinforcing angles symmetrically fixed above the inner wall of the box bottom; the second reinforcing structure comprises reinforcing sheets fixed below the box bottom and fixed to the top of the curved edge, and the reinforcing sheets are provided with a plurality of reinforcing sheets at equal intervals around the outer wall of the box bottom.

[0013] Preferably, a grommet is installed below the inner wall of the edge covering shell, a base is installed above the grommet, the outer edge of the top of the base is tightly attached to the bottom of the curved edge, and a deviation prevention structure is arranged between the grommet, the base and the curved edge for preventing deviation between them during installation.

[0014] The deviation prevention structure comprises inclined grooves symmetrically arranged on the upper and lower sides of the base, the lower edge of the curved edge corresponds to the inclined groove arranged above the base to form a first inclined ring, the first inclined ring is tightly fitted with the inclined groove above the base, and the upper edge of the grommet corresponds to the inclined groove arranged below the base to form a second inclined ring, the second inclined ring is tightly fitted with the inclined groove below the base.

[0015] Preferably, a sealing structure is installed between the box bottom and the edge covering shell.

[0016] (Three) beneficial effects

[0017] The utility model provides a kind of electromagnetic alarm based on ABS box bottom.Compared with prior art, it has the following beneficial effects:

[0018] 1, the application adopts ABS material to make box bottom, this material not only has good mechanical properties and processing performance, also has higher impact resistance and corrosion resistance, since product internal structure is not adjusted, the performance of product is same as before change but reduces manufacturing cost;

[0019] 2, reinforcing structure is arranged on the box bottom, including first reinforcing structure and second reinforcing structure, respectively for reinforcing the strength of the inner wall of the box bottom and curved edge, this design effectively improves the carrying capacity and deformation resistance of the box bottom, reduces the breakage rate in the process of alarm installation and processing, and ensures the stability and reliability during use of the alarm, and the alarm improves the ability to resist external impact.

[0020] 3、The application sets up the anti-deviation structure, so that the inclined groove of the outer edge of the base can be embedded with the upper edge of the gasket ring and the lower edge of the curved edge, the deviation during assembly is prevented, the stability of the alarm during the early installation and processing process is improved, and the product quality is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Fig. 2 It is a schematic diagram of the relationship between the box bottom and the reinforcing sheet of the utility model;

[0023] Fig. 3 It is a schematic diagram of the relationship between the inclined groove and the first inclined ring of the utility model;

[0024] Fig. 4 It is a schematic diagram of the relationship between the sealing structure and the edge covering shell of the utility model.

[0025] In the drawing, 1 is a box bottom, 2 is an edge covering shell, 3 is an inner cavity, 4 is a sound outlet hole, 5 is an alarm assembly, 6 is a sealing structure, 7 is a curved edge, 8 is a clamping edge, 9 is a reinforcing corner, 10 is a reinforcing sheet, 11 is a gasket ring, 12 is a base, 13 is an inclined groove, 14 is a first inclined ring, and 15 is a second inclined ring. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] The utility model provides two technical solutions:

[0028] Figs. 1-2 A first embodiment is shown: an electromagnetic alarm based on an ABS box bottom, comprising a box bottom 1, an edge covering shell 2 is installed at the outer edge of the bottom of the box bottom 1, an inner cavity 3 is formed between the box bottom 1 and the edge covering shell 2, a sound outlet hole 4 is formed at the bottom center of the edge covering shell 2, and an alarm assembly 5 for emitting a sound alarm in cooperation with the sound outlet hole 4 is installed in the inner cavity 3;

[0029] The alarm assembly 5 is composed of an electromagnet, an iron sheet, an air cavity, a power supply and the like. The electromagnet is responsible for generating a magnetic field after being powered on. The iron sheet is the part that is attracted by the electromagnet and generates an impact. The air cavity is used to amplify the impact sound, so that the alarm sound is louder. The power supply provides the necessary electrical energy, so that the electromagnet can work normally. The alarm assembly 5 is prior art, which will not be described here.

[0030] The box bottom 1 is made of ABS material, and the edge covering shell 2 is made of aluminum material.

[0031] The outer edge of the bottom of the box bottom 1 is bent outwardly to form a curved edge 7, the upper edge of the edge covering shell 2 extends upwardly above the curved edge 7 and inwardly to form a clamping edge 8 above the curved edge 7, and the top of the curved edge 7 is tightly attached to the bottom of the clamping edge 8.

[0032] The box bottom 1 is provided with a reinforcing structure for the overall strength of the box bottom 1.

[0033] The box bottom 1 is made of ABS material, which has good mechanical properties and processing performance, high impact resistance and corrosion resistance. Since the internal structure of the product is not adjusted, the performance of the product is the same as before, but the production cost is reduced, which has economic benefits.

[0034] The reinforcing structure is provided with two groups; the first reinforcing structure includes reinforcing angles 9 symmetrically fixed on the upper inner wall of the box bottom 1; the second reinforcing structure includes reinforcing sheets 10 fixed on the lower part of the box bottom 1 and the top of the curved edge 7, and the reinforcing sheets 10 are provided with a plurality of reinforcing sheets 10 around the outer wall of the box bottom 1 at equal intervals.

[0035] The reinforcing structure effectively improves the carrying capacity and anti-deformation ability of the box bottom 1, reduces the damage rate during the installation and processing of the alarm, and ensures the stability and reliability of the alarm during use.

[0036] Figs. 1-4 The second embodiment is shown, and the main difference from the first embodiment is that:

[0037] A grommet 11 is mounted on the inner wall of the edge covering shell 2, a base 12 is mounted on the grommet 11, the outer edge of the top of the base 12 is tightly attached to the bottom of the curved edge 7, and a deviation prevention structure is provided between the grommet 11, the base 12 and the curved edge 7 to prevent deviation between them during installation.

[0038] The deviation prevention structure includes inclined grooves 13 symmetrically provided on the upper and lower sides of the base 12, the lower edge of the curved edge 7 corresponds to the inclined grooves 13 provided on the upper side of the base 12 to form a first inclined ring 14, the first inclined ring 14 is tightly fitted with the inclined grooves 13 on the upper side of the base 12, and the upper edge of the grommet 11 corresponds to the inclined grooves 13 provided on the lower side of the base 12 to form a second inclined ring 15, the second inclined ring 15 is tightly fitted with the inclined grooves 13 on the lower side of the base 12.

[0039] The application sets the deviation prevention structure, so that the inclined grooves 13 on the outer edge of the base 12 can be fitted with the upper edge of the grommet 11 and the lower edge of the curved edge 7, preventing deviation during assembly, improving the stability of the alarm during early installation and processing, and ensuring product quality.

[0040] The sealing structure 6 is installed between the box bottom 1 and the edge covering shell 2, and is a sealing ring or glue.

[0041] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by the person skilled in the art.

[0042] It should be noted that, in this text, relational terms such as first and second are used merely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus including a list of elements does not only include those elements, but also includes other elements not explicitly listed, or inherent to such a process, method, article, or apparatus.

[0043] Although the embodiments of the present application have been shown and described, it should be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An electromagnetic alarm based on ABS box bottom, comprising a box bottom (1), a rimmed shell (2) is mounted on the outer edge of the bottom of the box bottom (1), an inner cavity (3) is formed by sealing between the box bottom (1) and the rimmed shell (2), a sound hole (4) is formed in the bottom center of the rimmed shell (2), and an alarm assembly (5) for emitting a sound alarm cooperated with the sound hole (4) is mounted in the inner cavity (3); Characterized in that: The box bottom (1) is made of ABS material; The outer edge of the bottom of the box bottom (1) is outwardly bent and extended to form a curved edge (7), the upper edge of the rimmed shell (2) is extended upwards above the curved edge (7) and inwardly buckled to form a buckled edge (8) above the curved edge (7), and the top of the curved edge (7) is tightly attached to the bottom of the buckled edge (8); A reinforcing structure is mounted on the box bottom (1) for the overall strength of the box bottom (1); A grommet (11) is mounted on the inner wall of the rimmed shell (2), a base (12) is mounted above the grommet (11), the outer edge of the top of the base (12) is tightly attached to the bottom of the curved edge (7), and a deviation prevention structure is formed between the grommet (11), the base (12) and the curved edge (7) to prevent deviation between them when they are installed.

2. The electromagnetic alarm based on ABS box bottom according to claim 1, characterized in that: The reinforcing structure is provided with two groups, a first reinforcing structure is arranged on the top of the inner wall of the box bottom (1) to strengthen the strength of the inner wall of the box bottom (1), and a second reinforcing structure is arranged on the outer wall of the box bottom (1) above the curved edge (7) to strengthen the strength of the curved edge (7).

3. The electromagnetic alarm based on ABS box bottom according to claim 2, characterized in that: The first reinforcing structure comprises reinforcing angles (9) symmetrically fixed above the inner wall of the box bottom (1).

4. The electromagnetic alarm based on ABS box bottom according to claim 3, characterized in that: The second reinforcing structure comprises reinforcing sheets (10) fixed below the box bottom (1) and on the top of the curved edge (7), and the reinforcing sheets (10) are provided with a plurality of reinforcing sheets (10) around the outer wall of the box bottom (1) at equal intervals.

5. The electromagnetic alarm based on ABS box bottom according to claim 1, characterized in that: The deviation prevention structure comprises inclined grooves (13) symmetrically formed on the upper and lower sides of the base (12), the lower edge of the curved edge (7) corresponds to the inclined grooves (13) formed above the base (12) to form a first inclined ring (14), the first inclined ring (14) is tightly fitted with the inclined grooves (13) above the base (12), and the upper edge of the grommet (11) corresponds to the inclined grooves (13) formed below the base (12) to form a second inclined ring (15), the second inclined ring (15) is tightly fitted with the inclined grooves (13) below the base (12).

6. An electromagnetic alarm based on ABS box bottom as claimed in claim 5, wherein: A sealing structure (6) is mounted between the box bottom (1) and the rimmed shell (2).

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