CN212163597U

CN212163597U - Sound box push-out mechanism and electronic equipment

Info

Publication number: CN212163597U
Application number: CN202020916876.1U
Authority: CN
Inventors: 李杰谟; 徐尚祥; 李梦亚
Original assignee: Shenzhen Zhaowei Machinery and Electronics Co Ltd
Current assignee: Shenzhen Zhaowei Machinery and Electronics Co Ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2020-12-15
Anticipated expiration: 2030-05-26

Abstract

The utility model belongs to the technical field of electronic equipment, a audio amplifier release mechanism, electronic equipment is related to. Wherein, audio amplifier ejecting mechanism includes the mounting bracket, first ejecting device, second ejecting device, first ejecting device includes first power supply, lead screw and screw-nut, first power supply is connected in the mounting bracket, the power take off end of first power supply drives the lead screw and rotates, the screw-nut cover is on the lead screw, second ejecting device includes the second power supply, drive mechanism and mount pad, the second power supply is connected in the mounting bracket, drive mechanism's input is connected in the power take off end of second power supply, the mount pad suit is on the motion guide pillar of mounting bracket, drive mechanism drives the mount pad and removes, the extending direction of the central axis of motion guide pillar becomes predetermined contained angle with the extending direction of the central axis of lead screw, the mount pad is used for connecting the audio amplifier. By the aid of the technical scheme, the problem that the independent sound box is not placed coordinately due to the fact that the independent sound box is large in size and needs to be fixedly placed at a fixed position in a room is solved.

Description

Sound box push-out mechanism and electronic equipment

Technical Field

The utility model belongs to the technical field of electronic equipment, especially, relate to a loudspeaker box ejecting mechanism, electronic equipment.

Background

With the continuous deepening of the design concept of 'full screen', the design of cameras of electronic devices such as mobile phones, televisions, notebook computers, tablet computers and the like also enters the era of telescopic hidden design, and a sound box is indispensable as one of important components of electronic device products. With the development and progress of science and technology, people not only pursue performance requirements, but also need to meet visual enjoyment, so that the coordination of the overall style and fashion feeling of electronic products are particularly important. In real life, the whole size of independent audio amplifier is great relatively, needs the fixed position of placing in the room, then passes through electric wire connection with electronic equipment, like this, has the inconsistent condition of putting on the one hand, and the electric wire tractive arranges that the comparison is in disorder, and on the other hand then can influence people's mood.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a loudspeaker box ejecting mechanism, electronic equipment aims at solving independent loudspeaker box because bulky and need fix the inconsistent problem of putting that leads to of placing in the fixed position in room.

In order to achieve the above object, the utility model adopts the following technical scheme: a loudspeaker push-out mechanism comprising: a mounting bracket having a first mounting location and a second mounting location; the first push-out device is positioned at a first installation position and comprises a first power source, a screw rod and a screw nut, the first power source is connected to the installation frame, and the power output end of the first power source drives the screw rod to rotate; the second ejecting device, the second ejecting device is located the second mounted position, the second ejecting device includes the second power supply, drive mechanism and mount pad, the second power supply is connected in the mounting bracket, drive mechanism's input is connected in the power take off of second power supply, second mounted position department is equipped with the motion guide pillar, the mount pad suit is on the motion guide pillar, drive mechanism's output and mount pad are connected and move along the extending direction of the central axis of motion guide pillar in order to drive the mount pad, the extending direction of the central axis of motion guide pillar and the extending direction of the central axis of lead screw become predetermined contained angle, the mount pad is used for connecting the audio amplifier.

Furthermore, the extending direction of the central axis of the moving guide post is perpendicular to the extending direction of the central axis of the screw rod, and the central axis of the moving guide post is perpendicular to the extending plane of the mounting rack.

Furthermore, the transmission mechanism comprises a speed reducer and a linkage structure, the input end of the speed reducer is connected with the power output end of the second power source, the output end of the speed reducer is connected with the first end of the linkage structure, and the second end of the linkage structure is connected with the mounting seat so as to drive the mounting seat to move along the extending direction of the central axis of the movement guide pillar.

Further, linkage structure includes connecting rod and spliced pole, and the first end fixed connection of connecting rod is in the output of reduction gear, and spliced pole fixed connection has a cooperation groove in the second end of connecting rod, and the tip of mount pad near the second power supply is opened, and the spliced pole stretches into in the cooperation groove.

Furthermore, the linkage structure comprises a linkage gear and a linkage rack, the linkage gear is fixedly connected to the output end of the speed reducer, the linkage rack is fixedly connected to the mounting seat, and meshing teeth of the linkage gear are meshed with meshing teeth of the linkage rack.

Further, the speaker ejecting mechanism further includes: the controller is electrically connected with the first power source and the second power source respectively; the first position sensing assembly comprises a first sensor and a second sensor, the first sensor and the second sensor are mounted on the mounting frame at intervals along the extending direction of the central axis of the moving guide column, the mounting seat is provided with a detection extending rod, the first sensor and the second sensor are respectively electrically connected with the controller, the first sensor is matched with the detection extending rod to determine a first stop position where the mounting seat stops, and the second sensor is matched with the detection extending rod to determine a second stop position where the mounting seat stops; the second position sensing assembly comprises a first contact sensor and a second contact sensor, the first contact sensor and the second contact sensor are both connected to the mounting frame, the first contact sensor is close to the first end of the screw rod, the second contact sensor is close to the second end of the screw rod, the first contact sensor and the second contact sensor are respectively electrically connected with the controller, the screw nut touches the first contact sensor to determine the first parking position of the screw nut, and the screw nut touches the second contact sensor to determine the second parking position of the screw nut.

Further, the first pushing device further comprises a transmission gear set, the transmission gear set comprises an input gear and an output gear, the power output end of the first power source is connected with the input gear, the input gear transmits power to the output gear, the screw rod rotates synchronously with the output gear, the central axis of the screw rod is parallel to the central axis of the power output end of the first power source, and the first power source and the screw rod are both located on the same side of the input gear.

Further, the first push-out device further comprises a first guide rod, the first guide rod is fixedly connected to the mounting frame, the central axis of the first guide rod is parallel to the central axis of the screw rod, the screw rod nut is provided with a guide convex portion, the guide convex portion is provided with a first guide through hole, and the first guide rod penetrates through the first guide through hole.

Further, be equipped with second guide arm and connecting block on the first mounted position, second guide arm fixed connection is in the mounting bracket, and the central axis of second guide arm parallels with the central axis of first guide arm, and the connecting block is opened has second direction through-hole, and the second guide arm passes second direction through-hole, and the connecting block is used for fixed connection by the installation body.

According to another aspect of the present invention, there is provided an electronic apparatus. Specifically, the electronic device comprises a shell and the sound box push-out mechanism as described above, wherein the shell is provided with a front side surface and a back side surface which are opposite and parallel, a screw nut is fixedly connected to the back side surface, and the extending direction of the central axis of the moving guide post is perpendicular to the front side surface.

The utility model discloses following beneficial effect has at least:

the loudspeaker box is assembled through the loudspeaker box pushing mechanism, so that the loudspeaker box and the electronic equipment are assembled into a whole, the loudspeaker box is hidden and cannot be seen when not used, the placing and displaying of room appliances are simplified, when the loudspeaker box is used for playing, the loudspeaker box is pushed out to the position which is parallel and level to the plane where the television screen is located through the first pushing-out device and the second pushing-out device, the playing state of the loudspeaker box can be observed at the moment, the sound played by the loudspeaker box is not interfered by separation, and the playing tone quality is guaranteed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is an assembly structure diagram of a first viewing angle of a loudspeaker box ejecting mechanism according to an embodiment of the present invention;

fig. 2 is an assembly structure diagram of a second viewing angle of the loudspeaker box ejecting mechanism according to the embodiment of the present invention;

fig. 3 is an assembly structure diagram of a first viewing angle of the loudspeaker box ejecting mechanism according to the embodiment of the present invention after the adapter plate and the connecting block are detached;

fig. 4 is a schematic structural view of a mounting frame in the loudspeaker box ejecting mechanism according to the embodiment of the present invention;

fig. 5 is a structural intention of the connection plate and the connection block in the sound box ejecting mechanism according to the embodiment of the present invention;

fig. 6 is a schematic structural view of a first push-out device in the loudspeaker box push-out mechanism according to the embodiment of the present invention;

fig. 7 is a structural intention of a second ejecting device in the loudspeaker box ejecting mechanism according to the embodiment of the present invention;

fig. 8 is an enlarged view of fig. 7 at a.

Wherein, in the figures, the respective reference numerals:

10. a mounting frame; 11. a first mounting location; 12. a second mounting location; 121. a motion guide post; 20. a first ejector; 21. a first power source; 22. a screw rod; 23. a feed screw nut; 231. a guide projection; 24. a drive gear set; 241. an input gear; 242. an output gear; 25. a first guide bar; 26. a second guide bar; 27. connecting blocks; 28. a deceleration moment increaser; 30. a second ejector; 31. a second power source; 32. a transmission mechanism; 321. a speed reducer; 322. a linkage structure; 3221. a connecting rod; 3222. connecting columns; 33. a mounting seat; 330. a mating groove; 331. detecting an extension rod; 40. a sound box; 50. a first position sensing assembly; 51. a first sensor; 52. a second sensor; 100. an adapter plate.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 to 8, the present invention provides a loudspeaker box ejecting mechanism, which can be applied to electronic devices such as computer loudspeaker boxes for installing tv set loudspeaker boxes and all-in-one computers (in the present invention, the television adopts this loudspeaker box ejecting mechanism as an example, i.e. the electronic device is a television). The loudspeaker box push-out mechanism comprises a mounting frame 10, a first push-out device 20 and a second push-out device 30, specifically, the mounting frame 10 is provided with a first mounting position 11 and a second mounting position 12, the first push-out device 20 comprises a first power source 21, a lead screw 22 and a lead screw nut 23, and the second push-out device 30 comprises a second power source 31, a transmission mechanism 32 and a mounting seat 33. During specific assembly, first ejecting device 20 is located first mounted position 11, and first power supply 21 is connected in mounting bracket 10, and the power take off end of first power supply 21 drives lead screw 22 and rotates, and lead screw 22 can wind its central axis and install in mounting bracket 10 with rotating, and screw-nut 23 cover is on lead screw 22, and screw-nut 23 is used for fixed connection by the installation body (by the installation body be electronic equipment's casing promptly the utility model discloses in to the casing of TV set is by the installation body). The mounting frame 10 serves as a stable support for the action of the second ejecting device 30, therefore, the second ejecting device 30 is located at the second mounting position 12, the second power source 31 is connected to the mounting frame 10, the input end of the transmission mechanism 32 is connected to the power output end of the second power source 31, a moving guide post 121 is disposed at the second mounting position 12, the moving guide post 121 is fixedly connected to the mounting frame 10, the mounting seat 33 is sleeved on the moving guide post 121, the output end of the transmission mechanism 32 is connected to the mounting seat 33 to drive the mounting seat 33 to move along the extending direction of the central axis of the moving guide post 121, the extending direction of the central axis of the moving guide post 121 and the extending direction of the central axis of the lead screw 22 form a predetermined included angle, and the mounting seat.

Use the utility model provides a loudspeaker box ejecting mechanism assembles the loudspeaker box on the TV set, through the casing fixed connection of screw-nut 23 with the TV set, drive lead screw 22 when first power supply 21 output power and rotate the in-process, because screw-nut 23 is fixed with the casing of TV set, consequently whole mounting bracket 10 then can remove for the extending direction of screw-nut 23 along lead screw 22's the central axis, then will install this moment and realize that first order releases the action in the audio amplifier 40 of mount pad 33. Then, the second power source 31 is activated to drive the mounting base 33 to move along the extending direction of the central axis of the moving guide post 121, so as to realize the second stage pushing action on the sound box 40. After the first stage pushing action and the second stage pushing action are completed cooperatively, the sound box 40 is pushed out from the hidden state (the sound box 40 is completely hidden at the back of the television) to a position flush with the plane of the television screen, and then the sound box 40 is in the exposed state and plays. When the sound box 40 no longer works, the first power source 21 and the second power source 31 can drive the sound box 40 to respectively perform retraction movements opposite to the first pushing-out movement and the second pushing-out movement, so that the sound box 40 can be restored to the hidden state. Therefore, the sound box 40 is assembled by the sound box pushing mechanism, so that the sound box 40 and the television are assembled into a whole, the sound box 40 is hidden and cannot be seen when not in use, the placement and display of room appliances are simplified, when the sound box 40 is used for playing, the sound box 40 is pushed out to the position which is flush with the plane of the television screen by the first pushing-out device 20 and the second pushing-out device 30, the playing state of the sound box 40 can be observed, the playing sound of the sound box 40 is not blocked and interfered, and the playing sound quality is ensured.

In the present embodiment, the extending direction of the central axis of the moving guide post 121 is perpendicular to the extending direction of the central axis of the screw 22, and the central axis of the moving guide post 121 is perpendicular to the extension plane of the mounting bracket 10. Generally, a push-out sequence of first raising and then pushing horizontally is used on the television for the speaker 40, namely: the screw rod 22 is matched with the screw rod nut 23 to lift the mounting rack 10, so that the sound box 40 is pushed out or retracted; the second power source 31 drives the mounting base 33 to reciprocate along the moving guide post 121, so as to horizontally push out or retract the sound box 40. The utility model discloses in, these two motion actions of vertical elevating movement and horizontal reciprocating motion can independently accomplish separately according to precedence order: when pushing out, the push-out mode is that the push-out mode is firstly vertically lifted and then horizontally pushed out; when retracting, the device retracts horizontally and then descends vertically. The two motions of vertical lifting motion and horizontal reciprocating motion can also be synchronously carried out, namely: when the push-out is performed, the first power source 21 drives the mounting frame 10 to ascend, and the second power source 31 drives the mounting seat 33 to horizontally push out; when retracting, the second power source 31 drives the mounting base 33 to retract horizontally, and simultaneously the first power source 21 drives the mounting frame 10 to descend.

As shown in fig. 8, the transmission mechanism 32 includes a speed reducer 321 and a linkage structure 322, the speed reducer 321 reduces the speed and increases the torque of the power output by the second power source 31, and the linkage structure 322 transmits the power output by the speed reducer 321 and adjusts the power transmission direction. Specifically, the input end of the speed reducer 321 is connected to the power output end of the second power source 31, the output end of the speed reducer 321 is connected to the first end of the linkage structure 322, and the second end of the linkage structure 322 is connected to the mounting seat 33 to drive the mounting seat 33 to move along the extending direction of the central axis of the moving guide column 121.

Further, the linkage structure 322 includes a connecting rod 3221 and a connecting rod 3222, a first end of the connecting rod 3221 is fixedly connected to the output end of the speed reducer 321, the connecting rod 3222 is fixedly connected to a second end of the connecting rod 3221 (the connecting rod 3222 and the connecting rod 3221 may be fixed by welding, a D-shaped hole may be formed at the second end of the connecting rod 3221, the end of the connecting rod 3222 is set to be a D-shaped head matched with the D-shaped hole, and the D-shaped head is inserted into the D-shaped hole to achieve limiting), the end of the mounting seat 33 close to the second power source 31 is provided with a matching groove 330, and the connecting rod 3222 extends into the matching groove 330. In the sound box pushing-out mechanism of the present embodiment, as shown in fig. 7 and 8, when the reducer 321 drives the connecting rod 3221 and the connecting rod 3222 to swing to push the mounting seat 33 to move along the moving guide post 121, the connecting rod 3222 also moves relatively in the fitting groove 330 with respect to the fitting groove 330. Of course, in another possible embodiment, the linkage structure 322 includes a linkage gear and a linkage rack, the linkage gear is fixedly connected to the output end of the reducer 321, the linkage rack is fixedly connected to the mounting seat 33, the extension direction of the linkage rack is parallel to the extension direction of the central axis of the moving guide column 121, the extension direction of the central axis of the linkage gear is perpendicular to the extension direction of the central axis of the moving guide column 121, and the engaging teeth of the linkage gear are engaged with the engaging teeth of the linkage rack, that is: the linkage structure 322 consisting of the connecting rod 3221 and the connecting column 3222 is replaced by a linkage structure 322 consisting of a linkage gear and a linkage rack.

Referring to fig. 1, 7 and 8 in combination, the sound box ejecting mechanism of the present invention further includes a controller (not shown), a first position sensing assembly 50 and a second position sensing assembly (not shown), wherein the first position sensing assembly 50 includes a first sensor 51 and a second sensor 52, and the second position sensing assembly includes a first contact sensor (not shown) and a second contact sensor (not shown). In this embodiment, controller and first power supply 21, second power supply 31 difference electric connection, the utility model discloses the controller that adopts can be PLC control module, MCU chip control module etc. realizes intelligent automated control to first power supply 21 and second power supply 31 through the control program of writing in advance in the controller. The first sensor 51 and the second sensor 52 are mounted on the mounting frame 10 at intervals along the extending direction of the central axis of the moving guide column 121, the mounting base 33 is provided with a detection extending rod 331, the first sensor 51 and the second sensor 52 are respectively electrically connected with the controller, the first sensor 51 cooperates with the detection extending rod 331 to determine a first stop position where the mounting base 33 stops, the second sensor 52 cooperates with the detection extending rod 331 to determine a second stop position where the mounting base 33 stops, the first sensor 51 and the second sensor 52 used in the embodiment of the present invention are both photoelectric sensors, the detection extending rod 331 cooperates with the photoelectric sensor to determine the first stop position and the second stop position (of course, the first sensor 51 and the second sensor 52 can also adopt contact sensors, at this time, the first sensor 51 and the second sensor 52 are respectively disposed at two end positions of the moving guide column 121, and during the process that the mounting seat 33 moves along the moving guide post 121, when the mounting seat 33 touches the first sensor 51, the controller controls the second power source 31 to stop to make the mounting seat 33 stay at the first stop position, and when the mounting seat 33 touches the second sensor 52, the controller controls the second power source 31 to stop to make the mounting seat 33 stay at the second stop position). First contact pick up and second contact pick up all connect in mounting bracket 10, and first contact pick up is close to the first end of lead screw 22, and second contact pick up is close to the second end of lead screw 22, and first contact pick up and second contact pick up respectively with controller electric connection, and screw-nut 23 touches first contact pick up and stops the position in order to confirm the first of screw-nut 23, and screw-nut 23 touches second contact pick up and stops the position in order to confirm the second of screw-nut 23.

As shown in fig. 1 to 3 and 6, the first pushing device 20 further includes a transmission gear set 24, the transmission gear set 24 includes an input gear 241 and an output gear 242, a power output end of the first power source 21 is connected to the input gear 241, and the input gear 241 transmits power to the output gear 242. In the embodiment of the present invention, the number of teeth of the input gear 241 may be equal to the number of teeth of the output gear 242, and at this time, the input gear 241 and the output gear 242 are matched to change only the power transmission direction of the first power source 21, so as to more reasonably utilize the layout space of the first installation location 11, thereby achieving the purpose of reducing the design volume of the whole loudspeaker box ejecting mechanism, and the loudspeaker box ejecting mechanism has smaller volume and more compact structure; or, the ratio of the number of teeth of the input gear 241 to the number of teeth of the output gear 242 is smaller than 1, and at this time, power is transmitted between the input gear 241 and the output gear 242, so that not only the power transmission direction of the first power source 21 can be changed, but also speed reduction and torque increase are realized; in addition, if the ratio of the number of teeth of the input gear 241 to the number of teeth of the output gear 242 is greater than 1, the transmission of power between the input gear 241 and the output gear 242 is increased in speed and reduced in torque (generally, this arrangement is not adopted). The screw rod 22 rotates synchronously with the output gear 242, the central axis of the screw rod 22 is parallel to the central axis of the power output end of the first power source 21, and the first power source 21 and the screw rod 22 are both located on the same side of the input gear 241. In the present embodiment, as shown in fig. 2 and fig. 6, a deceleration torque increaser 28 is disposed between the first power source 21 and the input gear 241, so that the power output by the first power source 21 can be subjected to two-stage deceleration torque increaser and then transmitted to the screw rod 22 to drive the screw rod 22 to rotate. As shown in fig. 6, the first pushing-out device 20 further includes a first guide rod 25, the first guide rod 25 is fixedly connected to the mounting frame 10, a central axis of the first guide rod 25 is parallel to a central axis of the lead screw 22, the lead screw nut 23 is provided with a guide protrusion 231, the guide protrusion 231 is provided with a first guide through hole, and the first guide rod 25 passes through the first guide through hole.

Further, a second guide rod 26 and a connecting block 27 are arranged on the first mounting position 11, the second guide rod 26 is fixedly connected to the mounting frame 10, the central axis of the second guide rod 26 is parallel to the central axis of the first guide rod 25, a second guide through hole is formed in the connecting block 27, the second guide rod 26 penetrates through the second guide through hole, and the connecting block 27 is used for fixedly connecting a casing of the television. In this embodiment, the connecting block 27 and the lead screw nut 23 are both fixedly connected to the casing of the television, so that the stability of the speaker push-out mechanism assembled on the casing of the television is improved. Further, the connecting block 27 and the lead screw nut 23 are both fixedly connected with the adapter plate 100, and then are fixedly connected with the shell of the television through the adapter plate 100, the contact surface between the adapter plate 100 and the shell of the television is large, and therefore the assembly stability of the sound box pushing mechanism is better improved.

As shown in fig. 4, in the actual design process, the first mounting position 11 and the second mounting position 12 may be exchanged, for example: the first mounting position 11 shown in fig. 4 is located at the right side of the second mounting position 12, and in the actual design production, the first mounting position 11 can be changed to be located at the left side of the second mounting position 12 according to the actual assembly use condition, and simultaneously the second guide rod 26 and the connecting block 27 can be changed to be located at the left side of the screw rod 22, and other design structures are not changed. Therefore, the present invention is not limited to the relative position relationship between the first mounting position 11 and the second mounting position 12 on the mounting frame 10.

In the present invention, it is preferable that the first power source 21 and the second power source 31 are both assembled by using motors of low power.

According to another aspect of the present invention, there is provided an electronic apparatus. In this embodiment, the electronic device includes a housing (not shown) and the sound box ejecting mechanism as described above, the housing has a front side and a back side which are opposite and parallel, the lead screw nut 23 is fixedly connected to the back side, and the central axis of the moving guide post 121 extends in a direction perpendicular to the front side.

Use the utility model provides a loudspeaker box ejecting mechanism assembles the loudspeaker box on the TV set, through the casing fixed connection of screw-nut 23 with the TV set, drive lead screw 22 when first power supply 21 output power and rotate the in-process, because screw-nut 23 is fixed with the casing of TV set, consequently whole mounting bracket 10 then can remove for the extending direction of screw-nut 23 along lead screw 22's the central axis, then will install this moment and realize that first order releases the action in the audio amplifier 40 of mount pad 33. Then, the second power source 31 is activated to drive the mounting base 33 to move along the extending direction of the central axis of the moving guide post 121, so as to realize the second stage pushing action on the sound box 40. After the first stage pushing action and the second stage pushing action are completed cooperatively, the sound box 40 is pushed out from the hidden state (the sound box 40 is completely hidden at the back of the television) to a position flush with the plane of the television screen, and then the sound box 40 is in the exposed state and plays.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A loudspeaker box ejecting mechanism is characterized by comprising:

a mounting frame (10), the mounting frame (10) having a first mounting location (11) and a second mounting location (12);

the first ejecting device (20) is located at the first installation position (11), the first ejecting device (20) comprises a first power source (21), a screw rod (22) and a screw nut (23), the first power source (21) is connected to the installation frame (10), a power output end of the first power source (21) drives the screw rod (22) to rotate, the screw rod (22) is rotatably installed on the installation frame (10) around a central axis of the screw rod (22), the screw nut (23) is sleeved on the screw rod (22), and the screw nut (23) is used for fixedly connecting an installed body;

a second pushing-out device (30), wherein the second pushing-out device (30) is located at the second mounting position (12), the second pushing-out device (30) includes a second power source (31), a transmission mechanism (32) and a mounting seat (33), the second power source (31) is connected to the mounting frame (10), an input end of the transmission mechanism (32) is connected to a power output end of the second power source (31), a moving guide pillar (121) is arranged at the second mounting position (12), the mounting seat (33) is sleeved on the moving guide pillar (121), an output end of the transmission mechanism (32) is connected to the mounting seat (33) to drive the mounting seat (33) to move along an extending direction of a central axis of the moving guide pillar (121), and an extending direction of the central axis of the moving guide pillar (121) and an extending direction of the central axis of the screw rod (22) form a predetermined included angle, the mounting seat (33) is used for being connected with a sound box (40).

2. The loudspeaker push-out mechanism of claim 1,

the extending direction of the central axis of the moving guide post (121) is perpendicular to the extending direction of the central axis of the screw rod (22), and the central axis of the moving guide post (121) is perpendicular to the extending plane of the mounting rack (10).

3. The loudspeaker push-out mechanism of claim 2,

the transmission mechanism (32) comprises a speed reducer (321) and a linkage structure (322), the input end of the speed reducer (321) is connected with the power output end of the second power source (31), the output end of the speed reducer (321) is connected with the first end of the linkage structure (322), and the second end of the linkage structure (322) is connected with the mounting seat (33) to drive the mounting seat (33) to move along the extension direction of the central axis of the moving guide post (121).

4. The loudspeaker push-out mechanism of claim 3,

linkage structure (322) include connecting rod (3221) and spliced pole (3222), the first end fixed connection of connecting rod (3221) in the output of reduction gear (321), spliced pole (3222) fixed connection in the second end of connecting rod (3221), the tip of mount pad (33) that is close to second power source (31) is opened there is cooperation groove (330), spliced pole (3222) stretch into in cooperation groove (330).

5. The loudspeaker push-out mechanism of claim 3,

linkage structure (322) are including linkage gear and linkage rack, linkage gear fixed connection in the output of reduction gear (321), linkage rack fixed connection in mount pad (33), the meshing tooth of linkage gear with the meshing tooth of linkage rack meshes mutually.

6. The loudspeaker push-out mechanism according to claim 4 or 5,

the loudspeaker box ejecting mechanism further comprises:

the controller is electrically connected with the first power source (21) and the second power source (31) respectively;

a first position sensing component (50), wherein the first position sensing component (50) comprises a first sensor (51) and a second sensor (52), the first sensor (51) and the second sensor (52) are mounted on the mounting frame (10) at intervals along the extension direction of the central axis of the moving guide post (121), the mounting seat (33) is provided with a detection extension rod (331), the first sensor (51) and the second sensor (52) are respectively electrically connected with the controller, the first sensor (51) is matched with the detection extension rod (331) to determine a first stop position where the mounting seat (33) stops, and the second sensor (52) is matched with the detection extension rod (331) to determine a second stop position where the mounting seat (33) stops;

a second position sensing assembly, the second position sensing assembly includes first contact sensor and second contact sensor, first contact sensor with second contact sensor all connect in mounting bracket (10), first contact sensor is close to the first end of lead screw (22), second contact sensor is close to the second end of lead screw (22), first contact sensor with second contact sensor respectively with controller electric connection, screw-nut (23) touching first contact sensor is in order to confirm the first parking position of screw-nut (23), screw-nut (23) touching second contact sensor is in order to confirm the second parking position of screw-nut (23).

7. The loudspeaker push-out mechanism of claim 1,

the first push-out device (20) further comprises a transmission gear set (24), the transmission gear set (24) comprises an input gear (241) and an output gear (242), a power output end of the first power source (21) is connected with the input gear (241), the input gear (241) transmits power to the output gear (242), the screw rod (22) rotates synchronously with the output gear (242), the central axis of the screw rod (22) is parallel to the central axis of the power output end of the first power source (21), and the first power source (21) and the screw rod (22) are located on the same side of the input gear (241).

8. The loudspeaker push-out mechanism of claim 1,

the first push-out device (20) further comprises a first guide rod (25), the first guide rod (25) is fixedly connected to the mounting frame (10), the central axis of the first guide rod (25) is parallel to the central axis of the screw rod (22), the screw rod nut (23) is provided with a guide convex part (231), the guide convex part (231) is provided with a first guide through hole, and the first guide rod (25) penetrates through the first guide through hole.

9. The loudspeaker push-out mechanism of claim 8,

be equipped with second guide arm (26) and connecting block (27) on first mounted position (11), second guide arm (26) fixed connection in mounting bracket (10), the central axis of second guide arm (26) with the central axis of first guide arm (25) parallels, connecting block (27) are opened has the second direction through-hole, second guide arm (26) pass the second direction through-hole, connecting block (27) are used for fixed connection by the installation body.

10. An electronic device, comprising a housing and a loudspeaker push-out mechanism according to any one of claims 1 to 9, wherein the housing has a front side and a back side which are opposite and parallel, the screw nut (23) is fixedly connected to the back side, and the central axis of the motion guide post (121) extends in a direction perpendicular to the front side.