CN209949694U

CN209949694U - A connection structure for speaker FPC

Info

Publication number: CN209949694U
Application number: CN201920481395.XU
Authority: CN
Inventors: 夏玉海; 蔡亚潮
Original assignee: Xiamen Zhongsheng Precise Co ltd
Current assignee: Xiamen Zhongsheng Precise Co ltd
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2020-01-14
Anticipated expiration: 2029-04-10

Abstract

The utility model relates to a speaker technical field just discloses a connection structure for speaker FPC. This a connection structure for speaker FPC, including adjusting device and fixing device, adjusting device's top fixed mounting has fixing device, adjusting device includes the speaker base, movable mounting has the speaker shell on the outer wall of connecting block. This a connection structure for speaker FPC, clockwise turning adjust knob, make the distance increase between two device casees, the pulling is located the right side pull rod, place FPC on the fixture block that is located the lower holding plate on right side, loosen the pull rod, make the right side of two fixture block chucking FPC circuit boards, the pulling is located the pull rod of left side, and anticlockwise turning adjust knob, make FPC's left end remove to the top that is located left holding plate, loosen the pull rod, make left two fixture block chucking FPC's left end, two dogs fix FPC circuit board in the Y axle direction, thereby it is fixed to fix FPC circuit board, make FPC be convenient for fix, and work efficiency is improved.

Description

A connection structure for speaker FPC

Technical Field

The utility model relates to a speaker technical field specifically is a connection structure for speaker FPC.

Background

The speaker is also called a horn. It is a very common electroacoustic transducer, and can be found in electronic and electric equipment for producing sound. The loudspeaker is a transducer for converting an electric signal into an acoustic signal, and the quality of the loudspeaker has great influence on the sound quality. The loudspeaker is the weakest component in the audio equipment, and is the most important component for the audio effect. Loudspeakers are of a wide variety and vary widely in price. The audio frequency electric energy makes the paper cone or the diaphragm vibrate and generate resonance (resonance) with the surrounding air through electromagnetic, piezoelectric or electrostatic effect to make sound. FPC boards are printed circuits made of flexible insulating base materials.

Among the prior art, FPC and speaker's connected mode does, predetermine the pad in speaker shell inside, then the mode welding through soldering tin is in the same place, this kind of connection structure trouble very and speed are slow, lead to efficiency very low, and soldering tin connection is disposable, break down when FPC circuit board, when needing to dismantle the maintenance, only break the soldering tin layer and just can tear the circuit board open, after the maintenance is accomplished, soldering tin connection once more, trouble very just consumes the resource. Therefore, a new connecting structure for the speaker and the FPC is required.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a connection structure for speaker FPC possesses advantages such as connection rate is fast, convenient to detach, has solved that current connection structure operation is complicated, speed is slow to dismantle troublesome problem.

The utility model provides a technical scheme that its technical problem adopted is: a connection structure for a loudspeaker FPC comprises an adjusting device and a fixing device, wherein the fixing device is fixedly mounted at the top of the adjusting device.

Adjusting device includes the speaker base, the top fixed mounting of speaker base has the connecting block, movable mounting has the speaker shell on the outer wall of connecting block, the top fixed mounting of connecting block has the bearing, the inside movable mounting of bearing has the lead screw, the one end fixed mounting that the bearing was kept away from to the lead screw has regulation knob, the right side of bearing and the top fixed mounting that is located the connecting block have the fixed block, just be located equal fixed mounting between bearing and the fixed block on the outer wall at both ends about the lead screw and have the thread piece, the top of connecting block and the equal fixed mounting in both sides that are located the lead screw have the dog.

The fixing device comprises two device boxes, a lower pressing plate is fixedly mounted in the inner portion of each device box, a fixed shaft is fixedly mounted above the lower pressing plate, an upper pressing plate is movably mounted on the outer wall of each fixed shaft, a sliding groove is formed in the outer wall of the right side and the outer wall of the top end of each device box, a clamping block is fixedly mounted on the bottom end of each upper pressing plate and the top end of each lower pressing plate and outside the device box, a spring is fixedly mounted on the top end of each lower pressing plate and inside the device box, and a pull rod is fixedly mounted on the top end of each upper pressing plate and above the clamping block.

Furthermore, speaker shell and connecting block swing joint, and all be provided with engaged with screw on the contact surface of speaker shell and connecting block, seted up out the sound hole on the right side outer wall of speaker shell.

Furthermore, the lead screw penetrates through the fixing block and is movably connected with the fixing block.

Further, the thread directions of the two ends of the lead screw are opposite.

Furthermore, the contact surface of each thread block and the lead screw is provided with a thread meshed with the lead screw.

Further, the device boxes are fixedly arranged at the tops of the two thread blocks respectively.

Furthermore, each upper pressure plate is movably connected with the corresponding fixed shaft and the corresponding sliding groove.

Furthermore, the one end that the lower plate was kept away from to every spring is equal fixed mounting in the bottom that corresponds the top board.

The utility model has the advantages that:

1. this a connection structure for speaker FPC, clockwise turning adjust knob, make the distance increase between two device casees, the pulling is located the right side pull rod, place the FPC circuit board on the fixture block that is located the lower clamp plate on right side by the upper left side, it makes the spring kick-back to loosen the pull rod, make the right side of two fixture block chucking FPC circuit boards, the pulling is located the pull rod of left side, and anticlockwise turning adjust knob, drive two device casees and remove in opposite directions, move to the top that is located left clamp plate until the left end of FPC circuit board, loosen the pull rod, make the left end of two left fixture block chucking FPC circuit boards, two dogs fix the FPC circuit board in the Y axle direction, thereby it is fixed to fix the FPC circuit board, make FPC be convenient for fixed, work efficiency is improved.

2. This a connection structure for speaker FPC, when needs are dismantled, when maintaining the FPC circuit board, only need the pulling to be located left pull rod, make the top board leave the left end of FPC circuit board, and clockwise rotation adjust knob, make the distance increase between the device case, break away from left holding down plate to the FPC circuit board, the pull rod on pulling right side can take out the FPC circuit board, and can fix the PFC circuit board again after the maintenance finishes, thereby make FPC convenient to detach and repeatedly fixable, the practicality has been improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the utility model at the stop;

fig. 3 is an enlarged view of a portion a in fig. 1 according to the present invention.

Description of reference numerals: 1 adjusting device, 101 loudspeaker base, 102 connecting block, 103 loudspeaker shell, 104 bearing, 105 lead screw, 106 fixing block, 107 adjusting knob, 108 thread block, 109 stop block, 2 fixing device, 201 device box, 202 lower pressing plate, 203 fixing shaft, 204 upper pressing plate, 205 chute, 206 clamping block, 207 spring and 208 pull rod.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-3, a connection structure for a speaker FPC includes an adjusting device 1 and a fixing device 2, wherein the fixing device 2 is fixedly mounted on the top of the adjusting device 1.

The adjusting device 1 comprises a loudspeaker base 101, a connecting block 102 is fixedly installed at the top end of the loudspeaker base 101, a loudspeaker shell 103 is movably installed on the outer wall of the connecting block 102, the loudspeaker shell 103 is movably connected with the connecting block 102, meshed threads are respectively arranged on the contact surfaces of the loudspeaker shell 103 and the connecting block 102, a sound outlet hole is formed in the outer wall of the right side of the loudspeaker shell 103, a bearing 104 is fixedly installed at the top end of the connecting block 102, a lead screw 105 is movably installed in the bearing 104, the directions of the threads at the two ends of the lead screw 105 are opposite, an adjusting knob 107 is fixedly installed at one end, far away from the bearing 104, of the lead screw 105, a fixed block 106 is fixedly installed at the right side of the bearing 104 and positioned at the top of the connecting block 102, the lead screw 105 penetrates through the fixed block 106 and is movably connected with, the contact surface of each thread block 108 and the lead screw 105 is provided with a thread meshed with the lead screw 105, and the top of the connecting block 102 and the two sides of the lead screw 105 are fixedly provided with stoppers 109.

Fixing device 2 includes two device casees 201, device case 201 is fixed mounting respectively at the top of two screw blocks 108, the equal fixed mounting in inside of every device case 201 has holding down plate 202, the equal fixed mounting in top of every holding down plate 202 has fixed axle 203, equal movable mounting has top board 204 on the outer wall of every fixed axle 203, all be provided with spout 205 on the outer wall on the right side of every device case 201 and top, the equal fixed mounting in outside that the bottom of every top board 204 and the top of holding down plate 202 just are located device case 201 has fixture block 206, the equal fixed mounting in inside that the top of every holding down plate 202 just is located device case 201 has spring 207, the equal fixed mounting in the bottom that corresponds top board 204 of one end that holding down plate 202 was kept away from to every spring 207, the equal fixed mounting in top that just is located fixture block 206 has pull rod 208 on every top of top board 204.

In use, the adjusting knob 107 is rotated clockwise, because the threads at the two ends of the lead screw 105 are opposite in direction, the two thread blocks 108 are driven to move back to back, thereby increasing the distance between the two device boxes 201, pulling the pull rod 208 positioned at the right side, enabling the upper pressure plate 204 to rotate upwards, and drives the spring 207 to compress, the FPC circuit board is placed on the clamping blocks 206 on the lower pressing plate 202 on the right side from the upper left, the pull rod 208 is loosened to enable the spring 207 to rebound, the two clamping blocks 206 clamp the right side of the FPC circuit board, the pull rod 208 on the left side is pulled, and anticlockwise rotate the knob 107, drive two device casees 201 and move in opposite directions, move to being located the left side top of holding down plate 202 until the left end of FPC circuit board, loosen the pull rod 208, make two left fixture blocks 206 card the left end of FPC circuit board, two dog 109 fix FPC circuit board in Y axle direction, thus fix FPC circuit board. When the FPC circuit board needs to be disassembled and repaired, the pull rod 208 on the left side is pulled to enable the upper pressing plate 204 to be away from the left end of the FPC circuit board, the adjusting knob 107 is rotated clockwise to enable the distance between the device boxes 201 to be increased until the FPC circuit board is separated from the lower pressing plate 202 on the left side, the FPC circuit board can be taken out by pulling the pull rod 208 on the right side, and the PFC circuit board can be fixed again after the maintenance is finished.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A connection structure for a loudspeaker FPC, comprising adjustment means (1) and fixing means (2), characterized in that: the top of the adjusting device (1) is fixedly provided with a fixing device (2);

the adjusting device (1) comprises a loudspeaker base (101), a connecting block (102) is fixedly arranged at the top end of the loudspeaker base (101), a loudspeaker shell (103) is movably arranged on the outer wall of the connecting block (102), a bearing (104) is fixedly arranged at the top end of the connecting block (102), a lead screw (105) is movably arranged in the bearing (104), one end of the lead screw (105) far away from the bearing (104) is fixedly provided with an adjusting knob (107), a fixed block (106) is fixedly arranged at the right side of the bearing (104) and positioned at the top of the connecting block (102), thread blocks (108) are fixedly arranged on the outer walls of the left end and the right end of the lead screw (105) and between the bearing (104) and the fixed block (106), the top of the connecting block (102) and two sides of the lead screw (105) are fixedly provided with a stop block (109);

fixing device (2) include two device casees (201), the equal fixed mounting in inside of every device case (201) has holding down plate (202), the equal fixed mounting in top of every holding down plate (202) has fixed axle (203), equal movable mounting has top board (204) on the outer wall of every fixed axle (203), all be provided with spout (205) on the right side of every device case (201) and the outer wall on top, the equal fixed mounting in outside that the bottom of every top board (204) and the top of holding down plate (202) just are located device case (201) has fixture block (206), the equal fixed mounting in inside that the top of every holding down plate (202) just is located device case (201) has spring (207), the equal fixed mounting in top of every top board (204) just is located fixture block (206) has pull rod (208).

2. A connection structure for a speaker FPC as claimed in claim 1, wherein: speaker shell (103) and connecting block (102) swing joint, and all be provided with engaged with screw on the contact surface of speaker shell (103) and connecting block (102), seted up on the right side outer wall of speaker shell (103) and played the sound hole.

3. A connection structure for a speaker FPC as claimed in claim 1, wherein: the lead screw (105) penetrates through the fixing block (106) and is movably connected with the fixing block.

4. A connection structure for a speaker FPC as claimed in claim 1, wherein: the thread directions of the two ends of the lead screw (105) are opposite.

5. A connection structure for a speaker FPC as claimed in claim 1, wherein: the contact surface of each thread block (108) and the lead screw (105) is provided with a thread meshed with the lead screw (105).

6. A connection structure for a speaker FPC as claimed in claim 1, wherein: the device boxes (201) are fixedly arranged at the tops of the two thread blocks (108) respectively.

7. A connection structure for a speaker FPC as claimed in claim 1, wherein: each upper pressure plate (204) is movably connected with the corresponding fixed shaft (203) and the corresponding sliding groove (205).

8. A connection structure for a speaker FPC as claimed in claim 1, wherein: one end of each spring (207) far away from the lower pressure plate (202) is fixedly arranged at the bottom end of the corresponding upper pressure plate (204).