CN216069877U

CN216069877U - Automobile loudspeaker with buffer device

Info

Publication number: CN216069877U
Application number: CN202121775017.6U
Authority: CN
Inventors: 林协程
Original assignee: Jieyang Tinly Electroacoustic Technology Co ltd
Current assignee: Jieyang Tinly Electroacoustic Technology Co ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-03-18
Anticipated expiration: 2031-07-30

Abstract

The utility model discloses an automobile loudspeaker with a buffer device, which comprises an automobile loudspeaker shell and a buffer mechanism, wherein a contact is fixedly arranged on the inner wall of the automobile loudspeaker shell, the contact consists of a fixed contact and a movable contact, the buffer mechanism is arranged below the movable contact, the buffer mechanism comprises a fixed sleeve, one side of the fixed sleeve is fixedly connected with the inner wall of the automobile loudspeaker shell, a buffer rod is sleeved in an inner cavity of the fixed sleeve in a sliding mode, the bottom end of the buffer rod is fixedly connected with a buffer spring, and the bottom of the buffer spring is fixedly connected with the bottom of the inner wall of the fixed sleeve. According to the utility model, by utilizing the arrangement of the fixed sleeve, the buffer rod and the buffer spring, the buffer mechanism formed by the fixed sleeve, the buffer rod and the buffer spring has a buffer effect on the deformed movable contact, so that the service lives of the movable contact and the automobile loudspeaker are prolonged.

Description

Automobile loudspeaker with buffer device

Technical Field

The utility model relates to the technical field of automobile speakers, in particular to an automobile speaker with a buffer device.

Background

The automobile loudspeaker is also called as an automobile electric horn, and the automobile electric horn produces sound by means of vibration of a metal diaphragm. The electric horn for automobile consists of iron core, magnetic coil, contact, vibrating block, diaphragm, etc. When a driver presses a horn switch, current passes through the coil through the contact, the coil generates magnetic force to attract the vibrating block down, the diaphragm is forced to move, the vibrating block moves to disconnect the contact, the current is interrupted, the magnetic force of the coil disappears, the diaphragm and the vibrating block recover to the original position under the action of the elasticity of the diaphragm and the spring piece, the contact closing circuit is connected again, the current passes through the coil through the contact to generate magnetic force, and the actions are repeated. The diaphragm is repeatedly vibrated in this way, and sounds are produced.

When the automobile loudspeaker works, the vibrating block can enable the movable contact and the fixed contact of the contacts to be separated and closed repeatedly, the fixed contact is always in a fixed state in the process, and the movable contact is always in a movable state, so that the phenomenon of strain of the movable contact exists in long-time work, and the service life of the automobile loudspeaker can be shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automobile loudspeaker with a buffer device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: an automobile loudspeaker with a buffer device comprises an automobile loudspeaker shell and a buffer mechanism, wherein a contact is fixedly arranged on the inner wall of the automobile loudspeaker shell, the contact consists of a fixed contact and a movable contact, and the buffer mechanism is arranged below the movable contact;

buffer gear includes fixed sleeve, one side of fixed sleeve and the inner wall fixed connection of car speaker casing, the buffer beam has been cup jointed in fixed sleeve's inner chamber slip, the bottom fixedly connected with buffer spring of buffer beam, buffer spring's bottom and the bottom fixed connection of fixed sleeve inner wall.

Preferably, the inner wall of the fixed sleeve is symmetrically provided with limiting sliding grooves, the outer wall of the buffer rod is symmetrically and fixedly connected with limiting sliding blocks, and the outer walls of the two limiting sliding blocks are in sliding sleeve connection with the inner cavities of the limiting sliding grooves corresponding to the positions.

Preferably, one side of the contact is provided with a rubber pad, and the bottom of the rubber pad is fixedly connected with the inner wall of the automobile loudspeaker shell.

Preferably, the through hole has been seted up to the bottom of car speaker casing, the inner chamber of through hole is equipped with adjusting bolt, adjusting bolt's top fixedly connected with movable iron core, movable iron core's outer wall cover is equipped with solenoid, solenoid's top is equipped with the vibrating mass, movable iron core's outer wall is located to the vibrating mass cover, movable iron core's top fixedly connected with sympathetic response piece.

Preferably, the outer wall of the adjusting bolt is in threaded connection with a locking nut, and the locking nut is arranged below the automobile loudspeaker shell.

Preferably, a diaphragm is arranged at the top of the automobile loudspeaker shell, and an upper cover is arranged at the top of the diaphragm.

The utility model has the technical effects and advantages that:

(1) according to the utility model, by utilizing the arrangement of the fixed sleeve, the buffer rod and the buffer spring, the buffer mechanism formed by the fixed sleeve, the buffer rod and the buffer spring has a buffer effect on the deformed movable contact, so that the service lives of the movable contact and the automobile loudspeaker are prolonged;

(2) the utility model utilizes the arrangement of the rubber pad, avoids the rigid contact between the movable contact and the shell of the automobile loudspeaker through the rubber pad, and further prolongs the service life of the movable contact and the automobile loudspeaker.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

FIG. 2 is a front sectional structural view of the present invention.

FIG. 3 is an enlarged view of a portion A of FIG. 2 according to the present invention.

Fig. 4 is a side sectional structural schematic view of the fixing sleeve of the present invention.

In the figure: 1. an automotive speaker housing; 2. a contact; 201. fixing a contact point; 202. a movable contact; 3. fixing the sleeve; 4. a buffer rod; 5. a buffer spring; 6. a limiting slide block; 7. a rubber pad; 8. adjusting the bolt; 9. a movable iron core; 10. an electromagnetic coil; 11. vibrating the block; 12. a resonance sheet; 13. locking the nut; 14. a membrane; 15. and (7) covering.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides an automobile loudspeaker with a buffer device as shown in figures 1-4, which comprises an automobile loudspeaker shell 1 and a buffer mechanism, wherein the buffer mechanism is used for buffering a moving contact 202, a contact 2 is fixedly arranged on the inner wall of the automobile loudspeaker shell 1, the contact 2 consists of a fixed contact 201 and the moving contact 202, and the buffer mechanism is arranged below the moving contact 202;

the buffer mechanism comprises a fixed sleeve 3, one side of the fixed sleeve 3 is fixedly connected with the inner wall of the automobile loudspeaker shell 1, a buffer rod 4 is sleeved in an inner cavity of the fixed sleeve 3 in a sliding mode, the top of the buffer rod 4 is arranged in a semicircular arc shape, a buffer spring 5 is fixedly connected to the bottom end of the buffer rod 4, the buffer spring 5 can elastically deform to drive the buffer rod 4 to automatically reset, meanwhile, the buffer work is performed on the movable contact 202, the bottom of the buffer spring 5 is fixedly connected with the bottom of the inner wall of the fixed sleeve 3, limiting sliding grooves are symmetrically formed in the inner wall of the fixed sleeve 3, limiting sliding blocks 6 are symmetrically and fixedly connected to the outer wall of the buffer rod 4, the limiting sliding blocks 6 and the limiting sliding grooves are used for preventing the buffer rod 4 from being separated from the fixed sleeve 3, and the outer walls of the two limiting sliding blocks 6 are sleeved with the inner cavity of the limiting sliding grooves corresponding in position in a sliding mode;

one side of the contact 2 is provided with a rubber pad 7, the rubber pad 7 is used for avoiding the hard contact between the movable contact 202 in the movement and the automobile loudspeaker shell 1, and the bottom of the rubber pad 7 is fixedly connected with the inner wall of the automobile loudspeaker shell 1;

the through hole has been seted up to automotive speaker casing 1's bottom, the inner chamber of through hole is equipped with adjusting bolt 8, adjusting bolt 8's top fixedly connected with movable iron core 9, movable iron core 9's outer wall cover is equipped with solenoid 10, solenoid 10's top is equipped with vibrating mass 11, the outer wall of movable iron core 9 is located to vibrating mass 11 cover, movable iron core 9's top fixedly connected with sympathetic response piece 12, adjusting bolt 8's outer wall threaded connection has lock nut 13, adjusting bolt 8 and lock nut 13 are used for the installation location work of speaker sound production structure, lock nut 13 sets up in automotive speaker casing 1's below, automotive speaker casing 1's top is equipped with diaphragm 14, diaphragm 14's top is equipped with upper cover 15, automotive speaker casing 1, can pass through bolt and nut fixed connection between diaphragm 14 and the upper cover 15.

The working principle of the utility model is as follows:

when the automobile loudspeaker works, the electrified electromagnetic coil 10 generates electromagnetic suction force, the electromagnetic suction force can drive the movable iron core 9 and the vibrating block 11 to move downwards, the vibrating block 11 moves downwards or drives the movable contact 202 to bend downwards so as to be separated from the fixed contact 201, in the bending process of the movable contact 202, the movable contact 202 can be in contact with the buffer rod 4 and drive the buffer rod 4 to move into the fixed sleeve 3, at the moment, the buffer spring 5 can deform so as to buffer the movable contact 202 in motion, meanwhile, as the movable contact 202 is separated from the fixed contact 201, the electromagnetic coil 10 is powered off, the electromagnetic suction force disappears, so that the movable iron core 9 and the vibrating block 11 can perform reset motion, the movable contact 202 and the buffer rod 4 can perform reset motion, and then the automobile loudspeaker can sound only by repeating the above work.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The standard parts used by the utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the description of the attached drawings.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An automobile loudspeaker with a buffer device comprises an automobile loudspeaker shell (1) and a buffer mechanism, and is characterized in that a contact (2) is fixedly mounted on the inner wall of the automobile loudspeaker shell (1), the contact (2) consists of a fixed contact (201) and a movable contact (202), and the buffer mechanism is arranged below the movable contact (202);

buffer gear includes fixed sleeve (3), the inner wall fixed connection of one side and car speaker casing (1) of fixed sleeve (3), buffer beam (4) have been cup jointed in the inner chamber slip of fixed sleeve (3), the bottom fixedly connected with buffer spring (5) of buffer beam (4), the bottom fixed connection of the bottom of buffer spring (5) and fixed sleeve (3) inner wall.

2. The automobile loudspeaker with the buffer device according to claim 1, wherein the inner wall of the fixed sleeve (3) is symmetrically provided with limiting sliding grooves, the outer wall of the buffer rod (4) is symmetrically and fixedly connected with limiting sliding blocks (6), and the outer walls of the two limiting sliding blocks (6) are slidably sleeved with the inner cavities of the limiting sliding grooves corresponding to the positions.

3. The automobile loudspeaker with the buffer device as claimed in claim 1, wherein a rubber pad (7) is arranged on one side of the contact (2), and the bottom of the rubber pad (7) is fixedly connected with the inner wall of the automobile loudspeaker shell (1).

4. The automobile loudspeaker with the buffering device as claimed in claim 1, wherein a through hole is formed in the bottom of the automobile loudspeaker shell (1), an inner cavity of the through hole is provided with an adjusting bolt (8), the top end of the adjusting bolt (8) is fixedly connected with a movable iron core (9), an electromagnetic coil (10) is sleeved on the outer wall of the movable iron core (9), a vibrating block (11) is arranged above the electromagnetic coil (10), the outer wall of the movable iron core (9) is sleeved with the vibrating block (11), and a resonance sheet (12) is fixedly connected to the top end of the movable iron core (9).

5. The automobile loudspeaker with the buffering device is characterized in that a locking nut (13) is connected to the outer wall of the adjusting bolt (8) in a threaded mode, and the locking nut (13) is arranged below the automobile loudspeaker shell (1).

6. The loudspeaker with the buffer device for the automobile according to claim 1, characterized in that the top of the loudspeaker shell (1) of the automobile is provided with a diaphragm (14), and the top of the diaphragm (14) is provided with an upper cover (15).