CN209964298U

CN209964298U - Intelligent terminal structure

Info

Publication number: CN209964298U
Application number: CN201921233092.2U
Authority: CN
Inventors: 杨小飞
Original assignee: Shenzhen Tengzhi Communication Technology Co Ltd
Current assignee: Shenzhen Tengzhi Communication Technology Co Ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-01-17
Anticipated expiration: 2029-07-31

Abstract

The utility model discloses an intelligent terminal structure, which comprises a shell, a circuit board and a sounding device, wherein the circuit board and the sounding device are accommodated in the shell, the sounding device comprises a basin frame, locate magnetic circuit and vibration system in the basin frame, the basin frame is including the mounting panel that has the mounting hole, the lateral wall that extends is buckled along the outside of mounting panel and the butt wall of two relative settings of buckling and extending from the border of mounting hole, magnetic circuit includes the yoke and pastes the main magnet steel of locating on the yoke, the yoke includes the bottom plate and the magnetic wall that extends from the bottom plate, form the magnetic gap between magnetic wall and the main magnet steel, vibration system is including setting firmly the vibrating diaphragm of keeping away from the one end of yoke in the lateral wall and inserting the voice coil loudspeaker voice coil of magnetic gap and drive vibrating diaphragm vibration, two butt walls extend to keeping away from the vibrating diaphragm direction from the mounting panel, the magnetic wall block is between two butt walls, form between butt wall and the mounting panel and dodge the step with casing matched with. The utility model discloses an intelligent terminal stable in structure accords with the slimming requirement.

Description

Intelligent terminal structure

Technical Field

The utility model relates to an electronic equipment technical field especially relates to an intelligent terminal structure.

Background

With the advent of the mobile internet age, the number of smart mobile devices is increasing. Among the mobile devices, the mobile phone is undoubtedly the most common and portable mobile terminal device. At present, the functions of a mobile phone are very diverse, one of them is a high-quality music function, and a sound generating unit in the mobile phone is one of the necessary conditions for realizing the high-quality music function.

The existing miniature sounding monomer generally comprises a basin frame used for accommodating a magnetic circuit system and a vibration system, wherein the magnetic circuit system comprises a magnetic bowl and magnetic steel matched with the magnetic bowl, the magnetic steel forms a magnetic gap with the magnetic bowl, and the vibration system comprises a vibrating diaphragm fixedly arranged on the periphery of the basin frame and a voice coil inserted into the magnetic gap and driving the vibrating diaphragm to vibrate. When the voice coil is electrified, the voice coil in the magnetic gap can move under the action of a magnetic field, and along with the change of the current, the movement can also change along with the sounding, so that the vibrating diaphragm is driven to vibrate up and down, and the sound is generated. The basin frame is annular, and the one end of basin frame keeping away from the vibrating diaphragm is in the coplanar with the bottom plate of yoke for the side or the top surface of basin frame need set up other structures and fix with the terminal housing, do not conform to the thin form requirement.

Therefore, it is necessary to provide a smart terminal structure to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an intelligent terminal structure, it is fixed with terminal housing to aim at solving the side or the top surface of basin frame among the prior art and need set up other structures, is not conform to the technical problem that the thin shape required.

In order to achieve the above object, the utility model provides an intelligent terminal structure comprising a housing, a circuit board and a sound generating device accommodated in the housing, the sound generating device comprises a basin frame, a magnetic circuit system and a vibration system arranged in the basin frame, the basin frame comprises a mounting plate with a mounting hole, a side wall extending from the outer edge of the mounting plate along bending and two oppositely arranged abutting walls extending from the edge of the mounting hole along bending, the magnetic circuit system comprises a magnetic yoke and main magnetic steel attached on the magnetic yoke, the magnetic yoke comprises a bottom plate and a magnetic wall extending from the bottom plate, a magnetic gap is formed between the magnetic wall and the main magnetic steel, the vibration system comprises a vibrating diaphragm fixedly arranged at one end of the side wall far away from the magnetic yoke and a voice coil inserted into the magnetic gap and driving the vibrating diaphragm to vibrate, and two abutting walls extend from the mounting plate to the direction far away from the vibrating diaphragm, the magnetic wall is clamped between the two abutting walls, and an avoiding step matched with the shell is formed between the abutting walls and the mounting plate.

Preferably, the magnetic wall includes two major axis walls and two minor axis walls, two major axis walls and two minor axis walls end to end interval sets up, the basin frame still includes certainly the mounting panel is to keeping away from the block wall that the vibrating diaphragm direction was buckled and is extended, two minor axis wall block is in two between the block wall, two major axis wall block is in two between the butt joint wall.

Preferably, a plurality of engaging grooves matched with the housing are formed on the engaging wall.

Preferably, a leakage hole communicating with the magnetic gap is formed between the long axis wall and the short axis wall.

Preferably, the diaphragm includes a ball top, a ring portion surrounding the ball top, and a fixing portion extending from an outer periphery of the ring portion to the outside, the voice coil is connected to one end of the ring portion close to the ball top, and the fixing portion is connected to the sidewall.

Preferably, the basin stand further comprises a shielding part bent and extended from one side of the side wall far away from the mounting plate, and the orthographic projection of the shielding part coincides with the fixing part along the sound emitting direction.

Preferably, the intelligent terminal structure further comprises a wiring terminal clamped on the basin frame, the wiring terminal is electrically connected with the circuit board and the vibration system, the number of the wiring terminals is two, and the wiring terminals are respectively arranged on two sides of the long axis wall, which deviates from one side of the main magnetic steel.

Preferably, binding post include with the second that the voice coil loudspeaker voice coil electricity is connected connect the electric arm, with the first electric arm and the connection of connecting that the circuit board is connected first connect the electric arm with the second connects the linking arm of electric arm, the linking arm laminating dodge the step setting.

Preferably, the first power connection arm includes a first elastic arm extending from the connection arm, a second elastic arm extending from the first elastic arm in a bent manner, and a clamping plate connected with the second elastic arm, a first clamping hole and a second clamping hole which are communicated with each other are formed in one side of the clamping wall away from the diaphragm, the clamping plate abuts against the inner wall of the first clamping hole, and the second elastic arm penetrates through the first clamping hole and the second clamping hole.

Preferably, the first engaging hole has a larger diameter than the second engaging hole.

In the technical scheme of the utility model, by setting the avoiding step, the sounding device and the shell can be assembled by avoiding the step, and other parts in the intelligent terminal structure can be installed in a matching way with the sounding device by avoiding the step, so that the intelligent terminal structure has high integration level and small volume; through setting up the inside and outside border of lateral wall and butt joint wall and mounting panel and being connected for the vibrating diaphragm size that sets firmly on the lateral wall is greater than the magnetic circuit size, thereby when guaranteeing and having the equal vocal audio of the same size vibrating diaphragm, reserves the position of dodging the step top and gives other spare parts.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic perspective view of an angle of view of an intelligent terminal structure according to an embodiment of the present invention;

fig. 2 is a schematic view of another perspective three-dimensional structure of the intelligent terminal structure according to the embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is an enlarged schematic view of a portion B shown in fig. 2.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Moreover, the technical solutions in the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or can not be realized, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

As shown in fig. 1 to 4, an intelligent terminal structure includes a housing (not shown), a circuit board (not shown) and a sound-generating device 100, the sound-generating device 100 includes a frame 1, a magnetic circuit system 3 and a vibration system 5, the magnetic circuit system 3 and the vibration system 5 are disposed in the frame 1, the frame 1 includes a mounting plate 11 having a mounting hole 12, a side wall 13 bent and extended from an outer edge of the mounting plate 11, and two opposite abutting walls 15 bent and extended from an edge of the mounting hole 12, the magnetic circuit system 3 includes a magnetic yoke 31 and a main magnetic steel 33 attached to the magnetic yoke 31, the magnetic yoke 31 includes a bottom plate 311, a magnetic wall bent and extended from the bottom plate 311, a magnetic gap 32 is formed between the magnetic wall and the main magnetic steel 33, the vibration system 5 includes a vibrating diaphragm 51 fixed to an end of the side wall 13 away from the magnetic yoke 31, and a voice coil 53 inserted into the magnetic gap 32 and driving the vibrating diaphragm 51 to vibrate, two the butt wall 15 certainly the mounting panel 11 is to keeping away from the extension of vibrating diaphragm 51 direction, the magnetic wall block in two between the butt wall 15, butt wall 15 with form between the mounting panel 11 with casing matched with dodges step 17.

In the utility model, by arranging the avoidance step 17, the sounding device 100 and the shell can be assembled by avoiding the step 17, and other parts in the intelligent terminal structure can be installed in cooperation with the sounding device 100 by avoiding the step 17, so that the intelligent terminal structure has high integration level and small volume; through setting up inside and outside border of lateral wall 13 and butt joint wall 15 and mounting panel 11 and being connected for the vibrating diaphragm 51 size that sets firmly on lateral wall 13 is greater than magnetic circuit 3 size, thereby when guaranteeing with the equal vocal audio of vibrating diaphragm 51 that has the same size, reserves the position of dodging step 17 top and gives other spare parts.

The magnetic wall comprises two long shaft walls 313 and two short shaft walls 315, the two long shaft walls 313 and two short shaft walls 315 are arranged at intervals end to end, the basin stand 1 further comprises a clamping wall 19 extending in a bending manner in the direction away from the vibrating diaphragm 51 from the mounting plate 11, the two short shaft walls 315 are clamped between the two clamping walls 19, and the two long shaft walls 313 are clamped between the two abutting walls 15. By providing the abutting wall 15 and the engaging wall 19, the yoke 31 is abutted from four sides, and the product stability is improved. Furthermore, a plurality of engaging grooves matched with the housing are formed on the engaging wall 19. A leakage hole 314 communicating with the magnetic gap 32 is formed between the long axis wall 313 and the short axis wall 315 to communicate the magnetic gap 32 with the outside through the leakage hole 314, thereby balancing the gas pressure.

The diaphragm 51 includes a ball top 511, a corrugated portion 513 surrounding the ball top 511, and a fixing portion 515 extending from an outer periphery of the corrugated portion 513 to the outside, the voice coil 53 is connected to an end of the corrugated portion 513 near the ball top 511, and the fixing portion 515 is connected to the sidewall 13.

The basin stand 1 further comprises a shielding part 14 extending from one side of the side wall 13 away from the mounting plate 11 in a bending manner, and the orthographic projection of the shielding part 14 coincides with the fixing part 515 along the sound emitting direction. By providing the shielding portion 14, the influence of other parts on the diaphragm 51 can be reduced, unnecessary touch on the diaphragm 51 during installation can be reduced, and the product quality can be improved.

The intelligent terminal structure further comprises a wiring terminal 7 clamped on the basin frame 1, the wiring terminal 7 is electrically connected with the circuit board and the vibration system 5, the number of the wiring terminals 7 is two, the wiring terminals 7 are respectively arranged on two sides of the long shaft wall 313 deviating from one side of the main magnetic steel 33. By arranging the connecting terminals 7 in the region of the escape step 17, it is not necessary to provide the connecting terminals with a space in other regions. In this embodiment, the connection terminal 7 includes a second power connection arm 73 electrically connected to the voice coil 53, a first power connection arm 71 connected to the circuit board, and a connection arm 75 connecting the first power connection arm 71 and the second power connection arm 73, and the connection arm 75 is attached to the avoiding step 17.

The first power connection arm 71 includes a first elastic arm 711 extending from the connection arm 75, a second elastic arm 713 extending from the first elastic arm 711 in a bent manner, and a locking plate 715 connected to the second elastic arm 713, wherein a first locking hole 192 and a second locking hole 194 communicating with each other are formed in one side of the locking wall 19 away from the diaphragm 51, the locking plate 715 abuts against an inner wall of the first locking hole 192, and the second elastic arm 713 passes through the first locking hole 192 and the second locking hole 194. During installation, the engaging plate 715 is inserted into the first engaging hole 192, and drives the first power receiving arm 71 to be inserted into the second engaging hole 194, so as to adjust the position, such that the engaging plate 715 abuts against the inner wall of the first engaging hole 192, which is close to the second engaging hole 194, and the position of the connecting terminal 7 is limited. The first elastic arm 711 and the second elastic arm 713 may be elastically deformed according to an actual installation position when installed, so as to be adapted to the actual installation position, so as to make a firm contact.

Further, the diameter of the first engaging hole 192 is larger than the diameter of the second engaging hole 194.

Further, the engaging wall 19 and the abutting wall 15 may be made of a magnetic material, and constitute a sub magnetic steel together with the yoke 31 to increase the magnetic flux of the magnetic gap 32.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims

1. An intelligent terminal structure is characterized in that the intelligent terminal structure comprises a shell, a circuit board and a sound production device, the circuit board and the sound production device are contained in the shell, the sound production device comprises a basin frame, a magnetic circuit system and a vibration system, the magnetic circuit system and the vibration system are arranged in the basin frame, the basin frame comprises a mounting plate with a mounting hole, a side wall extending from the outer edge of the mounting plate in a bending mode and two oppositely arranged abutting walls extending from the edge of the mounting hole in a bending mode, the magnetic circuit system comprises a magnetic yoke and main magnetic steel attached to the magnetic yoke, the magnetic yoke comprises a bottom plate and a magnetic wall extending from the bottom plate, a magnetic gap is formed between the magnetic wall and the main magnetic steel, the vibration system comprises a vibrating diaphragm fixedly arranged at one end, far away from the magnetic yoke, of the side wall and a voice coil inserted into the magnetic gap and driving the vibrating diaphragm to vibrate, and the two abutting walls extend, the magnetic wall is clamped between the two abutting walls, and an avoiding step matched with the shell is formed between the abutting walls and the mounting plate.

2. The intelligent terminal structure according to claim 1, wherein the magnetic wall includes two long axis walls and two short axis walls, the two long axis walls and the two short axis walls are arranged at intervals end to end, the frame further includes a locking wall bending and extending from the mounting plate in a direction away from the diaphragm, the two short axis walls are locked between the two locking walls, and the two long axis walls are locked between the two abutting walls.

3. The intelligent terminal structure according to claim 2, wherein the engaging wall has a plurality of engaging grooves for engaging with the housing.

4. The intelligent terminal structure of claim 2, wherein a leakage hole communicating with the magnetic gap is formed between the long axis wall and the short axis wall.

5. The intelligent terminal structure according to claim 1, wherein the diaphragm includes a ball top portion, a corrugated portion surrounding the ball top portion, and a fixing portion extending from an outer periphery of the corrugated portion to the outside, the voice coil is connected to an end of the corrugated portion near the ball top portion, and the fixing portion is connected to the sidewall.

6. The intelligent terminal structure of claim 5, wherein the basin stand further comprises a shielding portion extending from one side of the side wall away from the mounting plate in a bending manner, and an orthographic projection of the shielding portion coincides with the fixing portion along a sound emitting direction.

7. The intelligent terminal structure according to claim 2, further comprising two terminals engaged with the frame, the terminals electrically connecting the circuit board and the vibration system, and the two terminals are respectively disposed on two sides of the long axis wall facing away from the main magnetic steel.

8. The intelligent terminal structure of claim 7, wherein the connection terminal comprises a second power connection arm electrically connected to the voice coil, a first power connection arm connected to the circuit board, and a connection arm connecting the first power connection arm and the second power connection arm, and the connection arm is attached to the avoiding step.

9. The intelligent terminal structure according to claim 8, wherein the first power connection arm includes a first elastic arm extending from the connection arm, a second elastic arm extending from the first elastic arm in a bent manner, and a latch plate connected to the second elastic arm, a first latch hole and a second latch hole are formed in a side of the latch wall away from the diaphragm, the latch plate is abutted against an inner wall of the first latch hole, and the second elastic arm passes through the first latch hole and the second latch hole.

10. The intelligent terminal structure according to claim 9, wherein the caliber of the first engaging hole is larger than the caliber of the second engaging hole.