Automobile horn with adjustable sound chamber

Abstract

The utility model relates to the technical field of automobile horns, in particular to an automobile horn with an adjustable sound chamber, which comprises a mounting shell, a sound production mechanism is arranged in the mounting shell, an adjusting mechanism is arranged on the mounting shell and the sound production mechanism, and the adjusting mechanism comprises a sealing plate and an adjusting driving assembly used for controlling the sealing plate to move. According to the utility model, the electric push rod is started to drive the sealing plate to move in the first shell until the sealing plate moves to the right end of the mounting shell, and the resonant frequency of the sound chamber is increased by reducing the space of the sound chamber, so that the high-frequency sound output is enhanced, the sound penetrability is improved, and the sound box is suitable for being used in an urban traffic environment; the electric push rod is started to drive the sealing plate to abut against the left side of the first shell, at the moment, the sound chamber is composed of the sealing plate, the first shell, the second shell and the diaphragm, the volume of the sound chamber is large, and the large sound chamber has more air space for sound wave propagation, so that higher sound volume can be generated, and the sound box is suitable for being used in the suburban traffic environment.

Description

Technical Field

[0001] This utility model relates to the field of automobile horn technology, specifically to an adjustable-chamber automobile horn. Background Technology

[0002] A car horn is a device used to emit sound signals. It is widely used in motor vehicles. During the driving process, the driver emits necessary sound signals as needed and in accordance with regulations to warn pedestrians and attract the attention of other vehicles, thereby ensuring traffic safety.

[0003] In practical applications, it has been found that in urban traffic, there is usually a high level of background noise. If the space of the horn chamber is too large, the low-frequency sound may be too prominent, resulting in the horn lacking penetration in traffic noise. In suburban environments, which are relatively quiet with less ambient noise, the warning sound of the car horn needs to travel a longer distance.

[0004] Based on this, an adjustable sound chamber car horn is now provided, which can eliminate the drawbacks of existing devices. Utility Model Content

[0005] To address the aforementioned issues, an adjustable-chamber car horn is provided, which allows for adjustment of the horn's chamber space to suit both urban and suburban traffic environments.

[0006] To address the problems of existing technologies, this utility model provides an adjustable sound chamber car horn, including a mounting housing, a sound-generating mechanism disposed within the mounting housing, and an adjustment mechanism disposed on the mounting housing and the sound-generating mechanism. The adjustment mechanism includes a sealing plate and an adjustment drive assembly for controlling the movement of the sealing plate.

[0007] Preferably, the adjustment drive assembly includes a first housing, a second housing, an electric push rod, a guide rod, vent holes, a mounting plate, mounting holes, a sliding sleeve, and a sealing gasket. The first housing and the second housing are detachably connected. An electric push rod is fixed to the side of the first housing away from the second housing. The output end of the electric push rod extends into the interior of the first housing and connects to the sealing plate. The sealing plate is slidably engaged with the first housing and the second housing. A guide rod is fixed to the sealing plate. A sliding sleeve is embedded in the first housing and is slidably connected to the guide rod. The mounting housing is provided with a mounting plate and mounting holes. Uniformly distributed vent holes are provided on the side of the first housing away from the second housing. A sealing gasket is fixed to the circumferential side of the sealing plate and is slidably connected to the second housing and the first housing.

[0008] Preferably, the sound-generating mechanism includes a stationary iron core, which is fixed inside the mounting housing, and a magnetic coil is sleeved on the stationary iron core.

[0009] Preferably, the sound generating mechanism further comprises a diaphragm fixed to the second shell, and the dynamic iron core is fixed to one side of the diaphragm close to the static iron core.

[0010] Preferably, the mounting shell is provided with a contact switch.

[0011] The utility model discloses compared with prior art has the beneficial effects of:

[0012] 1. The utility model discloses be adapted to higher background noise, start electric push rod, and electric push rod will drive sealing plate in the first shell and move, until sealing plate moves to the right end of mounting shell, at this moment, the sound chamber is composed of the second shell, sealing plate and diaphragm, and the sound chamber volume is small, and the sound chamber space reduces and makes the resonance frequency of sound chamber rise, thereby enhancing the high frequency sound output, improve the penetration of sound, and be suitable for using in urban traffic environment.

[0013] 2. The utility model discloses drive sealing plate to the left side of the first shell through starting electric push rod, at this moment, the sound chamber is composed of sealing plate, the first shell, the second shell and diaphragm, and the sound chamber volume is large, and the larger sound chamber has more air space for sound wave propagation, thereby can produce higher volume, and be suitable for using in suburban traffic environment. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a kind of adjustable sound chamber's automobile horn's three-dimensional structure schematic view.

[0015] Figure 2 It is a kind of adjustable sound chamber's automobile horn's mounting shell, first shell and second shell internal structure cutaway view.

[0016] Figure 3 It is a kind of adjustable sound chamber's automobile horn's first shell and second shell internal structure cutaway view.

[0017] Figure 4 It is a kind of adjustable sound chamber's automobile horn's Figure 2 Local enlarged schematic view of structure in A place in middle.

[0018] Marked number in figure is: 1, mounting shell;2, sound generating mechanism;201, static iron core;202, magnetic coil;203, diaphragm;204, dynamic iron core;205, contact switch;3, adjusting mechanism;301, first shell;302, second shell;303, electric push rod;304, sealing plate;305, guide rod;306, air hole;307, mounting plate;308, mounting hole;309, sliding sleeve;310, sealing gasket. DETAILED DESCRIPTION

[0019] In order to further understand the features, technical means and specific purposes and functions achieved by the utility model, the utility model will be described in further detail in combination with the drawings and specific embodiments.

[0020] With reference to Figures 1-4 The adjustable sound chamber automobile horn comprises a mounting shell 1, a sound generating mechanism 2 is arranged in the mounting shell 1, an adjusting mechanism 3 is arranged on the mounting shell 1 and the sound generating mechanism 2, the adjusting mechanism 3 comprises a sealing plate 304 and an adjusting drive assembly for controlling the movement of the sealing plate 304.

[0021] The sound chamber volume size is adjusted through the sound generating mechanism 2 and the adjusting mechanism 3, and the adjusting of the sound chamber space can make the resonance frequency of the sound chamber rise or drop, thereby enhancing or reducing the high-frequency sound output to adapt to different environments.

[0022] With reference to Figures 1-4 The adjusting drive assembly comprises a first shell 301, a second shell 302, an electric push rod 303, a guide rod 305, a ventilation hole 306, a mounting plate 307, a mounting hole 308, a sliding sleeve 309 and a sealing gasket 310, the first shell 301 and the second shell 302 are detachably connected, the electric push rod 303 is fixed on the side, away from the second shell 302, of the first shell 301, the output end of the electric push rod 303 extends to the inside of the first shell 301 and is connected with the sealing plate 304, the sealing plate 304 is in sliding fit with the first shell 301 and the second shell 302, the guide rod 305 is fixed on the sealing plate 304, the sliding sleeve 309 is inlaid on the first shell 301, the sliding sleeve 309 is in sliding connection with the guide rod 305, the mounting plate 307 is arranged on the mounting shell 1, the mounting hole 308 is formed in the mounting plate 307, the ventilation hole 306 is uniformly distributed on the side, away from the second shell 302, of the first shell 301, the sealing gasket 310 is fixed on the circumferential side of the sealing plate 304, and the sealing gasket 310 is in sliding connection with the second shell 302 and the first shell 301.

[0023] The electric push rod 303 is started, the electric push rod 303 drives the sealing plate 304 to move in the first shell 301, the sealing plate 304 will slide on the first shell 301 and the second shell 302, the adjustment of the sound chamber volume size is realized, the adjustment of the sound chamber space makes the resonance frequency of the sound chamber rise or fall, thereby enhancing or reducing the high-frequency sound output to adapt to different environments; the first shell 301 and the second shell 302 are fixed by screws, the first shell 301 and the second shell 302 can be separated after the screws are disassembled, when the internal components of the device are damaged, the device is convenient to maintain, the sealing gasket 310 can further improve the sealing effect between the sealing plate 304 and the first shell 301 and the second shell 302, and the mounting plate 307 and the mounting hole 308 facilitate fixing the device on the vehicle.

[0024] With reference to Figures 1-4 : The sound generating mechanism 2 comprises a static iron core 201 fixed in the mounting shell 1, and a magnetic coil 202 sleeved on the static iron core 201.

[0025] The static iron core 201 is a fixed part, cooperates with the magnetic coil 202 to form a magnetic circuit, and provides a magnetic field for vibration of the diaphragm 203.

[0026] With reference to Figures 1-4 : The sound generating mechanism 2 further comprises a diaphragm 203 fixed with the second shell 302, and a moving iron core 204 fixed on one side of the diaphragm 203 close to the static iron core 201.

[0027] The diaphragm 203 generates sound waves during vibration, and finally emits sound, and the moving iron core 204 is fixed on one side of the diaphragm 203 close to the static iron core 201, and the mounting shell 1 is provided with a contact switch 205 responsible for controlling the switch of the current, and when the switch button is pressed, the contact switch 205 is closed, the current flows into the magnetic coil 202, and the sound generating process is started.

[0028] With reference to Figures 1-4 : The mounting shell 1 is provided with the contact switch 205.

[0029] The contact switch 205 is responsible for controlling the switch of the current, and when the switch button is pressed, the contact switch 205 is closed, the current flows into the magnetic coil 202, and the sound generating process is started.

[0030] Working principle: when in the city traffic environment, in order to adapt to higher background noise, start electric push rod 303, electric push rod 303 will drive sealing plate 304 moves in the first shell 301, until sealing plate 304 moves to the right end of installation shell 1, at this time the sound chamber is composed of second shell 302, sealing plate 304, diaphragm 203, the sound chamber volume is small, the resonance frequency of sound chamber space reduces, thereby enhancing the high frequency sound output, improve the penetration of sound, suitable for use in urban traffic environment.

[0031] When in the suburb traffic, the noise in the environment is less, and the larger volume is needed, start electric push rod 303 drive sealing plate 304 against the left side of the first shell 301, at this time the sound chamber is composed of sealing plate 304, first shell 301, second shell 302, diaphragm 203, the sound chamber volume is large, the larger sound chamber has more air space for sound wave propagation, thereby can produce higher volume, suitable for use in suburb traffic environment.

[0032] The above embodiment only expresses one or several embodiments of the present application, and the description is more specific and detailed, but it can not be understood as the limitation of the scope of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of variations and improvements can be made, which belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A car horn with an adjustable sound chamber, characterized in that, The device includes a mounting housing (1), a sound-generating mechanism (2) is provided inside the mounting housing (1), and an adjustment mechanism (3) is provided on the mounting housing (1) and the sound-generating mechanism (2). The adjustment mechanism (3) includes a sealing plate (304) and an adjustment drive assembly for controlling the movement of the sealing plate (304).

2. The adjustable sound chamber car horn according to claim 1, characterized in that, The adjustment drive assembly includes a first housing (301), a second housing (302), an electric push rod (303), a guide rod (305), a vent (306), a mounting plate (307), a mounting hole (308), a sliding sleeve (309), and a sealing gasket (310). The first housing (301) and the second housing (302) are detachably connected. An electric push rod (303) is fixed to the side of the first housing (301) away from the second housing (302). The output end of the electric push rod (303) extends into the interior of the first housing (301) and connects to a sealing plate (304). The sealing plate (304) is connected to the first housing (301) and the second housing (302). 302) Sliding fit, a guide rod (305) is fixed on the sealing plate (304), a sliding sleeve (309) is embedded on the first housing (301), the sliding sleeve (309) is slidably connected to the guide rod (305), a mounting plate (307) is provided on the mounting shell (1), a mounting hole (308) is opened on the mounting plate (307), a uniformly distributed vent hole (306) is opened on the side of the first housing (301) away from the second housing (302), a sealing gasket (310) is fixed on the circumferential side of the sealing plate (304), and the sealing gasket (310) is slidably connected to the second housing (302) and the first housing (301).

3. The adjustable sound chamber car horn according to claim 1, characterized in that, The sound-generating mechanism (2) includes a stationary iron core (201), which is fixed inside the mounting shell (1), and a magnetic coil (202) is sleeved on the stationary iron core (201).

4. The adjustable sound chamber car horn according to claim 3, characterized in that, The sound-generating mechanism (2) also includes a diaphragm (203) fixed to the second housing (302), and a moving iron core (204) is fixed to the side of the diaphragm (203) near the stationary iron core (201).

5. The adjustable sound chamber car horn according to claim 4, characterized in that, A contact switch (205) is installed on the mounting housing (1).

Images