CN213072808U

CN213072808U - Sound amplifying device of mobile terminal

Info

Publication number: CN213072808U
Application number: CN202022094126.3U
Authority: CN
Inventors: 黎翀豪; 申玮; 周民; 唐丙寅
Original assignee: Nanyang Institute of Technology
Current assignee: Nanyang Institute of Technology
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-04-27
Anticipated expiration: 2030-09-17

Abstract

The utility model belongs to the technical field of the mobile terminal technique and specifically relates to a mobile terminal's public address set, including mobile terminal shell and hou gai, the back lid is through one side of a plurality of screw fixed connection at the mobile terminal shell, the upper end of back lid sets up for the opening, back lid upper end opening part articulates there is the upper cover, it does not be provided with stop gear to equally divide between the both sides of public address set body upper end and the inner wall both sides of back lid, stop gear includes the recess, the recess is seted up on the inside wall of back lid, it is provided with the connecting rod to run through among the recess, the one end of connecting rod extends to the inside and the fixedly connected with stopper of back lid, the outside and the fixedly connected with pull ring that the other end of connecting rod runs through to the back lid, the cover is equipped with the spring on. This mobile terminal's public address set can realize dismouting fast conveniently to be convenient for the maintenance, easy operation, the practicality is very strong.

Description

Sound amplifying device of mobile terminal

Technical Field

The utility model relates to a mobile terminal technical field especially relates to a mobile terminal's public address set.

Background

At present, mobile communication equipment is developed rapidly and becomes a necessary product for everyone. Along with the continuous improvement of the living standard of people, the popularization degree of the mobile phone is also greatly improved. At present, mobile phones on the market are various in types, and mobile phones of different shapes and different manufacturers have respective characteristics. However, most current mobile phones still have the defect that the incoming call sound is fine and unclear when being output, and when the user is in a slightly noisy place, the incoming call sound of the mobile phone is difficult to hear, so that the user cannot answer the call in the first time; even when some mobile phones are placed in pockets or handbags, the incoming call sound is difficult to hear, so that a user can take the mobile phone out of the pockets or handbags to check the incoming call sound at times, inconvenience is brought to the user, and normal use of the mobile phone is influenced. In order to solve the problem, often all can install a public address set in mobile communication equipment, in prior art, usually all cover this public address set fixed mounting after mobile communication equipment, then the lid all is through a plurality of screw fixed mounting on mobile terminal shell, if public address set appears damaging, then need pull out public address set and maintain or change, but, at present, when dismantling, need tear whole back lid down earlier, just can dismantle public address set, this kind of mode will waste time and energy very much, be not convenient for carry out the dismouting to public address set, thereby be not convenient for maintain or change it.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art to be not convenient for maintain or change the public address set dismouting to it, and the public address set of a mobile terminal who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a sound amplifying device of a mobile terminal is designed, which comprises a mobile terminal shell and a rear cover, wherein the rear cover is fixedly connected with one side of the mobile terminal shell through a plurality of screws, the upper end of the rear cover is arranged in an opening, the upper end opening of the rear cover is hinged with an upper cover, the upper cover is fixedly connected with the upper end of the rear cover through screws, the lower part of the inner side wall of the rear cover is fixedly connected with a placing groove body, a sound amplifying device body is placed on the placing groove body, one side of the sound amplifying device body is mutually contacted with the inner side wall of the rear cover, two limiting mechanisms are respectively arranged between the two sides of the upper end of the sound amplifying device body and the two sides of the inner wall of the rear cover, and the two limiting mechanisms are arranged oppositely, each limiting mechanism comprises a groove, the groove is arranged on the inner side wall of the rear cover, a connecting, the one end of connecting rod extends to the inside and the fixedly connected with stopper of back lid, just the stopper is located on the upper surface of public address set body, the other end of connecting rod runs through to the outside and the fixedly connected with pull ring of back lid, the cover is equipped with the spring on the connecting rod, just the one end fixed connection of spring is in on the pull ring, the other end fixed connection of spring is in on the lateral wall of back lid, the outside of pull ring is provided with protective assembly, just protective assembly fixed connection is in on the lateral wall of back lid.

Preferably, the protection component comprises an external thread sleeve, the external thread sleeve is fixedly connected to the outer side wall of the rear cover, an internal thread sleeve is connected to the external thread sleeve in a threaded mode, and the pull ring is located inside the internal thread sleeve.

Preferably, the middle part of the upper end of the sound amplifying device body is fixedly connected with a handle.

Preferably, a dustproof layer is arranged at the joint between the mobile terminal shell and the rear cover, and the dustproof layer is fixedly connected to the rear cover.

Preferably, the rear cover and the placing groove body are integrally formed into a structural member.

The utility model provides a pair of mobile terminal's public address set, beneficial effect lies in: the sound amplifying device of the mobile terminal comprises an upper cover and a rear cover which are hinged, wherein the upper cover is provided with a screw through hole corresponding to the fixed installation of the upper cover, when the interior of the rear cover needs to be operated, the whole rear cover does not need to be detached, the interior of the rear cover can be operated only by detaching a screw on the upper cover, and the operation is very simple and convenient; secondly, a limiting mechanism is designed, and through the arrangement of the groove, the connecting rod, the limiting blocks, the pull ring and the spring, in the installation and fixation process of the sound amplifying device body, under the action of the spring, the two limiting blocks can be respectively moved to two sides of the upper end of the sound amplifying device body, so that the sound amplifying device body can be limited and fixed, and the installation and fixation process of the sound amplifying device body can be completed; when the public address set body needs to be taken out, the limiting blocks are pulled into the corresponding grooves respectively only through the pull rings, and then the public address set body can be taken out from the opening at the upper end of the rear cover through the handle. Therefore, through this design to can conveniently carry out the dismouting to the public address set body fast, and then can conveniently maintain or change the public address set body.

Drawings

Fig. 1 is a schematic structural diagram of a sound amplifying device of a mobile terminal according to the present invention.

Fig. 2 is a structural sectional view of the rear cover in fig. 1.

Fig. 3 is a front view of the internal structure of fig. 2.

Fig. 4 is an enlarged schematic view of the structure of the portion a in fig. 3.

In the figure: the mobile terminal comprises a shell 1 of the mobile terminal, a rear cover 2, a dustproof layer 3, an upper cover 4, a placing groove body 5, a sound amplifying device body 6, a handle 7, a limiting mechanism 8, a groove 81, a connecting rod 82, a limiting block 83, a pull ring 84, a spring 85, an external thread sleeve 86 and an internal thread sleeve 87.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

Referring to fig. 1-4, a sound amplifying device of a mobile terminal comprises a mobile terminal housing 1 and a rear cover 2, the rear cover 2 is fixedly connected to one side of the mobile terminal housing 1 through a plurality of screws, the upper end of the rear cover 2 is provided with an opening, the opening at the upper end of the rear cover 2 is hinged with an upper cover 4, the upper cover 4 is fixedly connected with the upper end of the rear cover 2 through screws, the lower part of the inner side wall of the rear cover 2 is fixedly connected with a placing groove body 5, an integral forming structural member is arranged between the rear cover 2 and the placing groove body 5, through the upper cover 4 and the rear cover 2 which are hinged, the upper cover 4 is provided with a screw through hole corresponding to the fixed installation, when the inside of back lid 2 is operated in needs, need not to pull down whole back lid 2, only need pull down the screw on upper cover 4 and can operate the inside of back lid 2, operate very simple and conveniently.

A loudspeaker body 6 is placed on the placing groove body 5, one side of the loudspeaker body 6 is in contact with the inner side wall of the rear cover 2, limiting mechanisms 8 are respectively arranged between two sides of the upper end of the loudspeaker body 6 and two sides of the inner wall of the rear cover 2, the two limiting mechanisms 8 are arranged oppositely, a handle 7 is fixedly connected to the middle of the upper end of the loudspeaker body 6, and the loudspeaker body 6 can be supported and supported by the placing groove body 5; the sound amplifying device body 6 can be limited and fixed on the placing groove body 5 and the inner side wall of the rear cover 2 through the two limiting mechanisms 8; the operation process of the sound amplification device body 6 can be conveniently performed by the handle 7.

The limiting mechanism 8 comprises a groove 81, the groove 81 is arranged on the inner side wall of the rear cover 2, a connecting rod 82 penetrates through the groove 81, one end of the connecting rod 82 extends into the rear cover 2 and is fixedly connected with a limiting block 83, the limiting block 83 is positioned on the upper surface of the loudspeaker device body 6, the other end of the connecting rod 82 penetrates through the outer side of the rear cover 2 and is fixedly connected with a pull ring 84, a spring 85 is sleeved on the connecting rod 82, one end of the spring 85 is fixedly connected onto the pull ring 84, the other end of the spring 85 is fixedly connected onto the outer side wall of the rear cover 2, a protective component is arranged outside the pull ring 84 and is fixedly connected onto the outer side wall of the rear cover 2, through the arrangement of the groove 81, the connecting rod 82, the limiting block 83, the pull ring 84 and the spring 85, in the installation and fixation process of the loudspeaker device body 6, under the action of the spring 85, the two limiting blocks 83 can respectively, therefore, the loudspeaker device body 6 can be limited and fixed, and the installation and fixing process of the loudspeaker device body 6 can be completed; when the loudspeaker device body 6 needs to be taken out, the limiting blocks 83 are respectively pulled into the corresponding grooves 81 only by the pull rings 84, and then the loudspeaker device body 6 can be taken out from the opening at the upper end of the rear cover 2 by the handle 7. Therefore, through this design to can conveniently carry out the dismouting to public address set body 6 fast, and then can conveniently maintain or change public address set body 6.

Example 2

Referring to fig. 3-4, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the protection assembly includes an external thread sleeve 86, the external thread sleeve 86 is fixedly connected to the outer sidewall of the rear cover 2, an internal thread sleeve 87 is screwed on the external thread sleeve 86, and the pull ring 84 is located inside the internal thread sleeve 87, through the arrangement of the external thread sleeve 86 and the internal thread sleeve 87, the external thread sleeve 86 is of an external thread structure, the internal thread sleeve 87 is of an internal thread structure, the external thread sleeve 86 and the internal thread sleeve 87 are connected by means of screwing, after the internal thread sleeve 87 is screwed on, the pull ring 84 can be effectively protected, and the damage caused by external collision can be avoided; the operation of the pull ring 84 can be performed by unscrewing the internally threaded sleeve 87.

Example 3

Referring to fig. 1, as another preferred embodiment of the present invention, the difference from embodiment 1 lies in that the connection between the mobile terminal housing 1 and the rear cover 2 is provided with the dustproof layer 3, and the dustproof layer 3 is fixedly connected to the rear cover 2, and through the addition of the dustproof layer 3, the dustproof layer 3 adopts a rubber sealing dustproof pad, and the dustproof layer 3 can ensure the sealing performance of the connection between the mobile terminal housing 1 and the rear cover 2, thereby effectively avoiding the entrance of external dust.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a mobile terminal's public address set, includes mobile terminal shell (1) and back lid (2), back lid (2) are in through a plurality of screw fixed connection one side of mobile terminal shell (1), its characterized in that, the upper end of back lid (2) is the opening setting, back lid (2) upper end opening part articulates there is upper cover (4), just upper cover (4) pass through screw fixed connection in the upper end of back lid (2), the lower part position fixedly connected with of back lid (2) inside wall places cell body (5), place public address set body (6) on the cell body (5), just one side of public address set body (6) with the inside wall of back lid (2) contacts each other, the both sides of public address set body (6) upper end with it does not be provided with stop gear (8) to divide equally between the inner wall both sides of back lid (2), and two between stop gear (8) for relative setting, stop gear (8) include recess (81), recess (81) are seted up on the inside wall of back lid (2), it is provided with connecting rod (82) to run through among recess (81), the one end of connecting rod (82) extends to the inside of back lid (2) and fixedly connected with stopper (83), just stopper (83) are located on the upper surface of public address device body (6), the other end of connecting rod (82) runs through to the outside of back lid (2) and fixedly connected with pull ring (84), the cover is equipped with spring (85) on connecting rod (82), and the one end fixed connection of spring (85) is in on pull ring (84), the other end fixed connection of spring (85) is in on the lateral wall of back lid (2), the outside of pull ring (84) is provided with protection component, and the protection component is fixedly connected to the outer side wall of the rear cover (2).

2. The sound amplifying device of claim 1, wherein the shielding assembly comprises an external thread sleeve (86), the external thread sleeve (86) is fixedly connected to the outer side wall of the rear cover (2), an internal thread sleeve (87) is screwed on the external thread sleeve (86), and the pull ring (84) is located inside the internal thread sleeve (87).

3. The sound amplification device of a mobile terminal according to claim 1, wherein a handle (7) is fixedly connected to the middle of the upper end of the sound amplification device body (6).

4. The sound amplifying device of a mobile terminal according to claim 1, wherein a dust-proof layer (3) is disposed at a joint between the mobile terminal housing (1) and the rear cover (2), and the dust-proof layer (3) is fixedly connected to the rear cover (2).

5. The sound amplifying device of the mobile terminal as claimed in claim 1, wherein the rear cover (2) and the placing trough (5) are integrally formed.