CN206272823U - A kind of audio amplifier with concealed storage card - Google Patents

Abstract

The utility model discloses a kind of audio amplifier with concealed storage card, including casing, it is arranged on the display screen of cabinet front, is arranged at the loudspeaker and mainboard of box house, concealed storage module is set in casing, concealed storage module includes that the cutting ferrule being fixed on casing, center are placed with the Kato of TF cards, Kato is embedded in cutting ferrule, and cutting ferrule is provided with push card device and locking device；Push card device includes a push rod and with crutched curved bar, and the groove for being formed with and being cooperated with locking device is opened at push rod middle part；Curved bar one end is hinged with push rod, and the curved bar other end is resisted against one end of Kato；Kato is opened on position corresponding with push rod and is formed with card release guide hole.Be placed on storage card in the Kato of concealed storage module by utility model, and the locking device that push rod middle part is set avoids push rod from directly being promoted by the thimble of card release, it is to avoid storage card is eaten by mistake after extracting easily by child；OTG interfaces allow it to be gained knowledge in the more states of different platform acquisition.

Description

A kind of audio amplifier with concealed storage card

Technical field

The utility model is related to education product field, more particularly to a kind of audio amplifier with concealed storage card.

Background technology

The mode that conventional people understand national literature, study state gains knowledge often by read books, it is convenient now with one kind Using, the light classical national literature audio-frequence player device of study national literature, child, young or even old can be allowed by the audio amplifier of national literature Year people can at any time learn state and gain knowledge.And audio file is stored using storage card more than existing national literature audio amplifier, its storage Card is that storage card easily drops or extracts in use, is then eaten by mistake by child from outside inserting to national literature audio amplifier, danger Physical safety of the evil to child.

Utility model content

The purpose of this utility model is to overcome the deficiencies in the prior art to provide a kind of audio amplifier with concealed storage card.

To achieve the above object, the utility model is adopted the following technical scheme that：A kind of sound with concealed storage card Case, including casing, be arranged on the display screen of cabinet front, be arranged at the loudspeaker and mainboard of box house, set in the casing Concealed storage module is put, the concealed storage module includes that the cutting ferrule being fixed on casing, center are placed with the card of TF cards Support, the Kato is embedded in cutting ferrule, and the cutting ferrule is provided with push card device and locking device；The push card device includes one Push rod and with crutched curved bar, the groove for being formed with and being cooperated with locking device is opened at the push rod middle part；Described curved bar one end with Push rod is hinged, and the curved bar other end is resisted against one end of Kato；The Kato is opened on position corresponding with push rod and is formed with out Card guide hole.

Be expanded on further scheme, the locking device includes fixture block, control coil and spring, the control coil and Spring is arranged on fixture block side, and the fixture block opposite side is connected with push rod, and the fixture block extends an Access Division, institute toward push rod direction State the locking state of Access Division and groove Cooperation controlling push rod.

Scheme is expanded on further, the Kato is provided with magnet in one end of nearly curved bar, is set on the cutting ferrule accordingly Put another block of magnet for attracting each other.

Scheme is expanded on further, the casing is also disposed with power interface and OTG interfaces in the side for setting cutting ferrule, Opposite side is provided with button assembly.

The utility model beneficial effect is：Storage card is placed in the Kato of concealed storage module, push rod middle part The locking device of setting avoids push rod from directly being promoted by the thimble of card release, it is to avoid storage card is eaten by mistake after extracting easily by child； OTG interfaces allow it to be gained knowledge in the more states of different platform acquisition.

Brief description of the drawings

Fig. 1 is the structural representation of the concealed storage card of the utility model.

Fig. 2 is the structural representation of part A in the utility model Fig. 1.

Fig. 3 is the utility model overall structure diagram.

Fig. 4 is the utility model overall structure diagram（The view of the other direction of Fig. 3）.

Drawing reference numeral explanation：1st, casing；11st, button assembly；111st, M keys；12nd, power interface；13rd, OTG interfaces；14th, show Display screen；2nd, Kato；21st, card release guide hole；3rd, sound permeable window；4th, cutting ferrule；5th, ejecting device；51st, push rod；511st, groove；52nd, it is hinged Portion；53rd, pillar；54th, curved bar；6th, locking device；61st, fixture block；62nd, spring；63rd, control coil；7th, magnet；8th, TF cards.

Specific embodiment

1 to accompanying drawing 4 introduces a kind of specific embodiment of the present utility model below in conjunction with the accompanying drawings.

As Figure 1-4, a kind of audio amplifier with concealed storage card, including casing 1, it is arranged on the aobvious of the front side of casing 1 Concealed storage module, concealed storage module are set in display screen 14, the loudspeaker and mainboard being arranged inside casing 1, casing 1 Including the cutting ferrule 4, the central Kato 2 for being placed with TF cards 8 that are fixed on casing 1, Kato 2 is embedded in cutting ferrule 4, and cutting ferrule 4 is set There are push card device and locking device；Push card device includes a push rod 51 and the curved bar 54 with pillar 53, the middle part of push rod 51 Open the groove 511 for being formed with and being cooperated with locking device；The one end of curved bar 54 sets articulated section 52 and is hinged with push rod 51, the other end of curved bar 54 It is resisted against one end of Kato 2；Kato 2 is being formed with card release guide hole 21 with being opened on the corresponding position of push rod 51.It is saturating that system is opened in the side of casing 1 Sound window 3, loudspeaker are arranged on the lower section of sound permeable window 3.

Wherein, locking device includes fixture block 61, control coil 63 and spring 62, and control coil 63 and spring 62 are set In the side of fixture block 61, the opposite side of fixture block 61 is connected with push rod 51, fixture block 61 toward the direction of push rod 51 extend an Access Division, Access Division with The locking state of the Cooperation controlling push rod 51 of groove 511.Fixture block 61 is the ferrous metal of T-shaped；Control coil 63 is controlled by M keys 111 Whether it is powered.

Wherein, Kato 2 is provided with magnet 7 in one end of nearly curved bar 54, sets attract each other another on cutting ferrule 4 accordingly One block of magnet 7.

Wherein, casing 1 is also disposed with power interface 12 and OTG interfaces 13 in the side for setting cutting ferrule 4, and opposite side sets It is equipped with button assembly 11；Button assembly 11 includes machine open/close button, M keys 111, play/pause button, upper one of control audio amplifier First button, next button.

Wherein, main control module and the audio frequency effect processing module electrically connected with main control module are provided with mainboard；Master control Module is included main control MCU, clock module, communications module, the bluetooth module electrically connected with main control MCU by data connecting line, led to Cross the decoding module that data/address bus is electrically connected with main control MCU；Decoding module is electrically connected at audio frequency effect by Audio Data Line Reason module；Clock module includes real-time timepiece chip, and clock module is electrically connected to decoding module, and communications module is electrically connected to master control MCU；Decoding module includes being arranged on the OTG interface 13 and output end of the side of casing 1, and OTG interfaces 13 are set by USB line with outside Standby electrical connection, output end includes L channel output interface and R channel output interface.Main control module and audio frequency effect processing module Will it is treated after electric signal transmission on loudspeaker.

Wherein, audio frequency effect processing module includes that order selects mould by the input that Audio Data Line is electrically connected successively Group, volume etc. ring treatment module, low bass tones treatment module, high pitch tone treatment module and bass scaling down processing module, high pitch Protection device is provided between tone processing module and bass scaling down processing module；Input selection module sets decoding module and accesses Mouth, external audio frequency access port and Bluetooth audio frequency access port.Input selection module, volume etc. are rung at treatment module, low bass tones Reason module, high pitch tone treatment module and bass scaling down processing module are electrically connected with main control MCU respectively.Audio frequency effect processing module Electrically connected with an audio enhanced processing module, audio enhanced processing module is provided with Jing Yin and short-circuit protection detection means, and this is quiet Sound and short-circuit protection detection means are electrically connected with main control MCU.

The course of work of concealed storage module of the present utility model, TF cards 8 are placed in the push-in cutting ferrule 4 of the center of Kato 2, Magnet 7 in the magnet 7 and cutting ferrule 4 of the inner end of Kato 2 is attracting with fixation, and the fixture block 61 in locking device blocks push rod 51, completes The loading of TF cards 8；, it is necessary to press M keys 111 in audio amplifier holding state when needing to take out TF cards 8, control coil 63 is powered and produce magnetic Field attracts fixture block 61, its Access Division is departed from push rod 51, then promotes push rod 51 through card release guide hole 21 using thimble, so that Curved bar 54 is driven to stick up cutting ferrule 4 by Kato 2, then extracting Kato 2 can just take out TF cards 8.

The above is not imposed any restrictions to technical scope of the present utility model, all according to the utility model technology reality Matter, any modification, equivalent variations and modification that the embodiment to more than is made, still falls within the technical solution of the utility model In the range of.

Claims (4)

1. a kind of audio amplifier with concealed storage card, including casing, it is arranged on the display screen of cabinet front, is arranged in casing The loudspeaker and mainboard in portion, it is characterised in that：Concealed storage module, the concealed storage module bag are set in the casing Cutting ferrule, the central Kato for being placed with TF cards being fixed on casing are included, the Kato is embedded in cutting ferrule, and the cutting ferrule is provided with Push card device and locking device；The push card device includes a push rod and with crutched curved bar, and the push rod middle part is opened It is formed with the groove cooperated with locking device；Described curved bar one end is hinged with push rod, and the curved bar other end is resisted against the one of Kato End；The Kato is opened on position corresponding with push rod and is formed with card release guide hole.

2. a kind of audio amplifier with concealed storage card according to claim 1, it is characterised in that：The locking device bag Include fixture block, control coil and spring, the control coil and spring are arranged on fixture block side, the fixture block opposite side with push away Bar is connected, and the fixture block extends the locking state of an Access Division, the Access Division and groove Cooperation controlling push rod toward push rod direction.

3. a kind of audio amplifier with concealed storage card according to claim 1, it is characterised in that：The Kato is near bent One end of bar is provided with magnet, sets another block of magnet for attracting each other on the cutting ferrule accordingly.

4. a kind of audio amplifier with concealed storage card according to claim 1, it is characterised in that：The casing is setting The side for putting cutting ferrule is also disposed with power interface and OTG interfaces, and opposite side is provided with button assembly.