Metal buzzer capable of improving production efficiency

Abstract

The utility model discloses a metal buzzer capable of improving production efficiency, which comprises a base, a middle shell fixed on the base, a shell body fixed on the middle shell and a circuit board, conductive plates are arranged on two sides of the base, the conductive plates are provided with extension plates and are perpendicular to the conductive plates, and the extension plates are arranged on the base. The base is provided with a first supporting part for supporting the extension plate, the middle shell is provided with a second supporting part, and the second supporting part and the first supporting part are oppositely arranged. According to the utility model, only downward pressure needs to be applied to the circuit board, so that the first buckling block is buckled and pressed in the first buckling groove of the middle shell, a first fixing point is formed between the circuit board and the middle shell, meanwhile, the elastic part acts on the circuit board, so that the elastic part and the second supporting part form a force for clamping the circuit board, and the force is a second fixing point; the circuit board and the middle shell are stably connected through double fixing points, so that the product has the advantages of being convenient to assemble, reducing the production cost and being stable in connection.

Description

TECHNICAL FIELD

[0001] The utility model relates to buzzer technical field especially relates to a metal buzzer of improving production efficiency. BACKGROUND

[0002] Buzzer is a kind of electronic sounder of integrated structure, using DC voltage power supply, is widely used in computer, printer, copying machine, alarm, electronic toy, automobile electronic equipment, telephone, timer and other electronic products as sound device.

[0003] Buzzer needs to install circuit board, installs such as multivibrator, impedance matcher, oscillator, amplifier etc. on circuit board, these components jointly act to produce sound, existing buzzer when installing circuit board, usually adopts soldering to connect the stable base and circuit board, this installation mode not only installs low efficiency, also easily scalds base, therefore, the applicant has made beneficial design, found the method to solve the above problems, the technical scheme to be introduced below is generated under this background. SUMMARY

[0004] The utility model discloses to overcome the deficiency of the design of the above-mentioned traditional buzzer, provide a kind of product of convenient assembly, reduce production cost, connect stable.

[0005] To solve the above problems, the utility model adopts the following technical scheme.

[0006] A kind of metal buzzer of improving production efficiency, including base, and fixed in the middle shell of base, and fixed in the shell of middle shell, circuit board, the both sides of the base are equipped with conducting plate, the conducting plate is equipped with extension plate, and with conducting plate vertically, the base is equipped with the first support part for providing support for extension plate, the middle shell is equipped with second support part, and with first support part is opposite setting, the both sides of the circuit board are equipped with first buckle, and buckle pressure in the both sides of middle shell, and it is set between first support part and second support part, the extension plate is equipped with elastic part, and act on circuit board, so that the circuit board is tightly pressed in second support part.

[0007] Preferably, the both sides of the shell are equipped with third buckle slot, the outer wall of the shell is screw-connected with nut, and the end surface of the nut is uniformly distributed with a plurality of anti-skid blocks with a circular dot as an axis.

[0008] Preferably, the conducting plate is equipped with fastening screw, and passes through the bottom of middle shell, the conducting plate is equipped with fixed part, and the both sides of the fixed part are equipped with protruding part.

[0009] Preferably, the base is provided with a mounting hole and is arranged above the fastening screw, the base is provided with a wire hole for the wire to pass through, both sides of the base are provided with a second buckle groove, and the base is provided with a fixing groove for the fixing part to be inserted.

[0010] Preferably, the middle shell is provided with a second buckle block and is buckled in the second buckle groove, the middle shell is provided with a sliding groove for the first buckle block to move, an inclined surface is arranged above the sliding groove, the sliding groove is provided with a first buckle groove for accommodating the first buckle block, the shell covers the first buckle groove, and both sides of the middle shell are provided with a third buckle block and are buckled in the third buckle groove.

[0011] Preferably, both sides of the circuit board are provided with a conductive part.

[0012] Preferably, the elastic part is provided with an abutting part and abuts against the conductive part.

[0013] Beneficial effects:

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The utility model only needs to apply downward pressure to the circuit board, so that the first buckle block is buckled in the first buckle groove of the middle shell, and a first fixing point is formed between the circuit board and the middle shell; meanwhile, the circuit board extrudes the elastic part to move in the direction of the first supporting part, the extension plate provides powerful support for the elastic part, the elastic part stores energy and releases elastic force to the circuit board, the circuit board is tightly pressed on the second supporting part, the elastic part and the second supporting part form a force for clamping the circuit board, the contact resistance value of the abutting part and the conductive part is reduced, this is a second fixing point, and the elastic force released by the elastic part also increases the friction force between the first buckle groove and the second buckle block, further ensures the connection stability of the circuit board and the middle shell, and overcomes the problems in the background art, so that the product has the advantages of convenient assembly, reduced production cost and stable connection. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a side sectional structure diagram of the metal buzzer for improving production efficiency Figure 1 ;

[0017] Figure 2 It is a side sectional structure diagram of the metal buzzer for improving production efficiency Figure 2 ;

[0018] Figure 3 It is a side sectional structure diagram of the metal buzzer for improving production efficiency Figure 3 ;

[0019] Figure 4 It is an explosion view of the metal buzzer for improving production efficiency

[0020] The correspondence between the reference signs and the component names in the drawings is as follows:

[0021] Reference sign: 1, base; 2, middle shell; 3, shell; 4, circuit board; 5, conductive plate; 6, nut;

[0022] 11, first support part; 12, mounting hole; 13, wire hole; 14, second buckle groove; 15, fixing groove;

[0023] 21, second support part; 22, second buckle block; 23, sliding groove; 24, third buckle block;

[0024] 231, inclined surface; 232, first buckle groove;

[0025] 31, third buckle groove;

[0026] 41, first buckle block; 42, conductive part;

[0027] 51, extension plate; 52, elastic part; 53, fastening screw; 54, fixing part;

[0028] 521, abutting part;

[0029] 541, protruding part;

[0030] 61, anti-skid block. DETAILED DESCRIPTION

[0031] The technical solutions of the present application will be described below in conjunction with the embodiments. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0032] In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", etc. indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0033] In the embodiments of the present application, "and / or" is only a description of the association relationship between the associated objects, which means that there can be three relationships, for example, A and / or B, which can represent the three cases of A alone, A and B together, and B alone. In addition, the character " / " in this paper generally represents a "or" relationship between the associated objects before and after it.

[0034] Reference ExampleFigures 1 to 4 The utility model provides a metal buzzer of improving production efficiency, including base 1, and fixed in base 1's middle shell 2, and fixed in middle shell 2's shell 3, circuit board 4, the both sides of base 1 are equipped with conducting plate 5, and conducting plate 5 is equipped with extension plate 51, and with conducting plate 5 vertically, base 1 is equipped with first support part 11 for providing support for extension plate 51, middle shell 2 is equipped with second support part 21, and with first support part 11 opposite setting, the both sides of circuit board 4 are equipped with first buckle 41, and buckle and press in the both sides of middle shell 2, and setting between first support part 11 and second support part 21, extension plate 51 is equipped with elastic part 52, and acts on circuit board 4, makes circuit board 4 tight pressure on second support part 21,

[0035] Worth mentioning is that the both sides of shell 3 are equipped with third buckle 31, and the outer wall of shell 3 is threadedly connected with nut 6, and the end face of nut 6 is uniformly provided with a plurality of anti-skid blocks 61 with a circular dot as an axis, and third buckle 31 is matched with third buckle 24, and nut 6 is convenient for connecting and fixing the buzzer with the connected equipment, and anti-skid blocks 61 increase the friction between the buzzer and the connected equipment, and increase the connection stability.

[0036] Worth mentioning is that conducting plate 5 is equipped with fastening screw 53, and passes through the bottom of middle shell 2, and conducting plate 5 is equipped with fixed part 54, and the both sides of fixed part 54 are equipped with convex part 541, and fastening screw 53 is pressed on conducting plate 5, and convex part 541 is connected and fixed with fixed groove 15 in an interference fit manner.

[0037] Worth mentioning is that base 1 is equipped with mounting hole 12, and is arranged above fastening screw 53, and base 1 is equipped with wire hole 13 for inserting wires, and the both sides of base 1 are equipped with second buckle 14, and base 1 is equipped with fixed groove 15 for inserting fixed part 54, and mounting hole 12 is convenient for tightening fastening screw 53 with a tool, and wire hole 13 is convenient for wires to enter the connection between fastening screw 53 and conducting plate 5, and fixed groove 15 is matched with fixed part 54.

[0038] Worth mentioning is that middle shell 2 is equipped with second buckle 22, and is buckled in second buckle 14, and middle shell 2 is equipped with sliding groove 23 for the movement of first buckle 41, and the upper side of sliding groove 23 is equipped with inclined surface 231, and sliding groove 23 is equipped with first buckle 232 for accommodating first buckle 41, and shell 3 covers first buckle 232, and the both sides of middle shell 2 are equipped with third buckle 24, and are buckled in third buckle 31. Through second buckle 22, middle shell 2 is quickly connected and fixed with base 1, and the time required for assembly is reduced, sliding groove 23 provides a guide for first buckle 41, and first buckle 41 smoothly enters first buckle 232, inclined surface 231 guides first buckle 41 into sliding groove 23, and through third buckle 24, middle shell 2 is quickly connected and fixed with shell 3, and the time required for assembly of the two is reduced.

[0039] It is worth mentioning that the two sides of the circuit board 4 are provided with conductive parts 42, and the conductive parts 42 are power supply ports of the circuit board 4;

[0040] It is worth mentioning that the elastic part 52 is provided with an abutting part 521, and abuts against the conductive part 42. The elastic force released by the elastic part 52 is concentrated on the conductive part 42 through the abutting part 521, and the contact resistance value of the abutting part 521 and the conductive part 42 is reduced.

[0041] The assembly principle of the utility model will be described as follows:

[0042] The first buckling block 41 is inserted into the sliding groove 23, and the circuit board 4 is pressed downward to buckle the first buckling block 41 in the first buckling groove 232, so that the first fixed point is formed between the circuit board 4 and the middle shell 2.

[0043] At the same time, the abutting part 521 abuts against the conductive part 42, and the conductive part 42 extrudes the elastic part 52 to store energy and release elastic force to the conductive part 42, so that the back of the conductive part 42 is tightly pressed on the second supporting part 21. The elastic part 52 and the second supporting part 21 form a force of clamping the conductive part 42, which is the second fixed point. In addition, the elastic force released by the elastic part 52 also increases the friction force between the first buckling groove 232 and the second buckling block 22, further ensuring the connection stability of the circuit board 4 and the middle shell 2.

[0044] The above design scheme can realize the advantages of convenient assembly, low production cost and stable connection.

[0045] The above content is a further detailed description of the utility model in combination with the specific embodiment, and cannot be considered as limiting the specific embodiment of the utility model to these descriptions. For ordinary skilled persons in the technical field to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, which should be considered as belonging to the protection range determined by the claims of the utility model.

Claims

1. A metal buzzer with improved production efficiency, comprising a base (1), a middle shell (2) fixed on the base (1), a shell body (3) fixed on the middle shell (2), and a circuit board (4), characterized in that: The base (1) is provided with conductive plates (5) on both sides, the conductive plates (5) are provided with extension plates (51) and are perpendicular to the conductive plates (5), the base (1) is provided with first supporting portions (11) for supporting the extension plates (51), the middle shell (2) is provided with second supporting portions (21) and is arranged opposite to the first supporting portions (11), the circuit board (4) is provided with first buckling blocks (41) on both sides and buckles on both sides of the middle shell (2) and is arranged between the first supporting portions (11) and the second supporting portions (21), the extension plates (51) are provided with elastic portions (52) and act on the circuit board (4), so that the circuit board (4) is tightly pressed on the second supporting portions (21).

2. The production efficiency improving metal buzzer according to claim 1, characterized by: The shell (3) is provided with third buckling grooves (31) on both sides, the outer wall of the shell (3) is threadedly connected with nuts (6), and the end faces of the nuts (6) are uniformly provided with a plurality of anti-skid blocks (61) with a circular dot as an axis.

3. The production efficiency improving metal buzzer according to claim 2, characterized by: The conductive plates (5) are provided with fastening screws (53) and pass through the bottom of the middle shell (2), and the conductive plates (5) are provided with fixing portions (54), and the fixing portions (54) are provided with protruding portions (541) on both sides.

4. The production efficiency improving metal buzzer according to claim 3, characterized by: The base (1) is provided with mounting holes (12) and is arranged above the fastening screws (53), the base (1) is provided with wire holes (13) for inserting wires, the base (1) is provided with second buckling grooves (14) on both sides, and the base (1) is provided with fixing grooves (15) for inserting the fixing portions (54).

5. The production efficiency improving metal buzzer according to claim 4, characterized by: The middle shell (2) is provided with second buckling blocks (22) and buckles on the second buckling grooves (14), the middle shell (2) is provided with sliding grooves (23) for the first buckling blocks (41), the upper portions of the sliding grooves (23) are provided with inclined surfaces (231), the sliding grooves (23) are provided with first buckling grooves (232) for accommodating the first buckling blocks (41), the shell (3) covers the first buckling grooves (232), and the middle shell (2) is provided with third buckling blocks (24) on both sides and buckles on the third buckling grooves (31).

6. A production efficiency improving metal buzzer according to any one of claims 2 to 5, characterized by: The circuit board (4) is provided with conductive portions (42) on both sides.

7. The production efficiency improving metal buzzer according to claim 6, characterized by: The elastic portions (52) are provided with abutting portions (521) and abut against the conductive portions (42).

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