Push-pull sound box

Abstract

The utility model belongs to the technical field of push-pull type sound boxes, and particularly relates to a push-pull type sound box, which comprises a sound box shell. The sound box shell is provided with a mounting cavity; an auxiliary heat dissipation device is mounted in the mounting cavity; a first net plate is mounted in a plate body structure groove of the pushing plate; a supporting plate is fixedly connected to the lower position of the structural surface of the pushing plate; the top of the insertion block is fixedly connected with a heat conduction pipe. A fixed shaft is fixedly connected to the position of the opening of the structural cavity; rotating sheets are mounted outside the section of the fixed shaft at equal intervals; a rotating plate is fixedly connected to the arc surface of the outer side of the rotating cylinder; a telescopic air bag is installed at the position, close to the through hole, of the pipe body of the heat conduction pipe. A stop block is fixedly connected to the position, close to the structural cavity, of the outer side arc face of the rotating cylinder. Through the effect of the auxiliary heat dissipation device, the flow of hot air is accelerated, the rapid heat dissipation effect is achieved, the power consumption is reduced, the heat accumulation is reduced, and the stability of the sound box system is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of push-pull speakers, in particular to a push-pull speaker. Background Art

[0002] With the gradual improvement of production technology, push-pull speakers have been widely used, achieving lower distortion and higher efficiency, and are suitable for audio systems with higher sound quality requirements;

[0003] A Chinese patent with publication number CN214756792U discloses a push-pull structure speaker, which includes a shell and two groups of speakers installed inside the shell. The shell is a rectangular parallelepiped structure, and a mounting opening is opened on one side wall of the shell. The front opening of the speakers is provided with and covered with a grille. The width of the mounting opening is not less than the length of the speakers. A positioning plate is integrally formed inside the shell. The first group of speakers is inserted into the mounting opening, and the circumferential edge of the speakers is screwed to the positioning plate. The second group of speakers is inserted into the mounting opening, and the circumferential edge of the speakers is screwed to the inner wall near the grille. The horn-shaped end of each group of speakers faces one side of the grille, and the axes of the two groups of speakers are arranged horizontally and collinearly. This application makes the space inside the shell for the two groups of speakers more compact, thereby facilitating the storage and transportation of the speakers.

[0004] When the push-pull speaker is in use, the push-pull speaker may generate a lot of heat during operation, affecting the power consumption and stability of the system. Therefore, a push-pull speaker is proposed to address the above problem. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve some existing problems of push-pull speakers, the utility model provides a push-pull speaker.

[0006] The technical solution adopted by the present invention to solve its technical problem is as follows: a push-pull speaker according to the present invention comprises a speaker housing; a mounting cavity is mounted on the speaker housing; a playback device is mounted on one side of the mounting cavity; an auxiliary heat dissipation device is mounted in the mounting cavity; the auxiliary heat dissipation device comprises a push plate; a push plate is disposed on a side of the mounting cavity away from the playback device; a first mesh plate is mounted in a plate structure groove of the push plate; a support plate is fixedly connected to a lower position of the push plate structure surface; jacks are symmetrically opened on the top of the support plate; an insertion block is inserted into the interior of the jack; a heat pipe is fixedly connected to the top of the insertion block;

[0007] A structural cavity is opened inside the heat-conducting pipe; the horizontal cross-section of the heat-conducting pipe body is right-angled; a fixed shaft is fixedly connected to the position where the opening of the structural cavity is opened; rotating plates are equidistantly installed on the outside of the cross-section of the fixed shaft; the rotation trajectory of the rotating plates is the same as the opening width of the structural cavity; the width of the supporting plate is the same as the opening width of the installation cavity; after the pushing plate contacts the speaker shell, the supporting plate completely enters the interior of the installation cavity, and the bottom end face of the supporting plate contacts the bottom end face of the inner wall of the installation cavity; so that the heat-conducting pipe can smoothly achieve auxiliary heat dissipation.

[0008] Preferably, a through hole is opened on the body of the heat-conducting tube near the rotating piece; a fixing rod is fixed inside the through hole; a rotating cylinder is installed on the outside of the cross-section of the fixing rod; the cross-sectional diameter of the rotating cylinder is the same as the opening width of the through hole; a rotating plate is fixed on the outer arc surface of the rotating cylinder; so that the telescopic airbag can operate smoothly.

[0009] Preferably, a telescopic airbag is installed on the body of the heat pipe near the through hole; one side of the telescopic airbag is connected to the body of the rotating plate; a stop block is fixed on the outer arc surface of the rotating cylinder near the structural cavity, thereby achieving the effect of limiting the rotating plate.

[0010] Preferably, when the telescopic airbag does not absorb heat and expand, the body of the block intersects with the rotation trajectory of the rotating piece; when the telescopic airbag absorbs heat and expands, the body of the rotated block does not intersect with the rotation trajectory of the rotating piece; so that the auxiliary heat dissipation device can operate smoothly.

[0011] Preferably, connecting holes are provided on both sides of the speaker shell; the connecting holes are connected to the installation cavity; a second mesh plate is installed in the connecting hole; after the insertion block is fully inserted into the interior of the jack, one end of the opening of the structural cavity contacts the first mesh plate, and the other end of the opening of the structural cavity contacts the second mesh plate; thereby ensuring effective heat dissipation.

[0012] Preferably, fixing holes are provided on both sides of the support plate; the space provided by the fixing holes passes through the space provided by the insertion hole; a fixing hole is provided on the body of the insertion block; an insertion rod is installed inside the fixing hole; and the heat pipe is installed and fixed.

[0013] The utility model is beneficial in that:

[0014] The utility model adopts the structural design of the auxiliary heat dissipation device, utilizes the support plate and the pushing plate to push the heat conducting pipe into the interior of the installation cavity, when the playback device generates a large amount of heat, the heat conducting pipe absorbs the heat, and the air inside the structural cavity absorbs the heat and expands, pushing the rotating piece on the fixed shaft to rotate, and the telescopic airbag is affected by the heat and expands, causing the rotating plate to rotate, with the cooperation of the rotating cylinder inside the through hole, the stopper rotates around the fixed rod as the center, so that the stopper is out of the rotation range of the rotating piece, and the rotating piece will continue to rotate as the gas continues to flow, and the hot air inside the structural cavity will be discharged to the outside through the first mesh plate and the second mesh plate, thereby accelerating the flow of hot air, achieving the effect of rapid heat dissipation, reducing power consumption and reducing heat accumulation, and ensuring the stability of the speaker system. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 Schematic diagram of the three-dimensional structure of the device;

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the auxiliary heat dissipation device;

[0018] Figure 3 Schematic diagram of the cross-sectional structure of the heat pipe;

[0019] Figure 4 Schematic diagram of the structure of the telescopic airbag;

[0020] Figure 5 It is a structural diagram of the pallet.

[0021] In the figure: 1. speaker shell; 2. installation cavity; 3. playback device; 401. push plate; 402. first mesh plate; 403. support plate; 404. jack; 405. insertion block; 406. heat pipe; 407. structural cavity; 408. fixed axis; 409. rotating piece; 410. through hole; 411. fixing rod; 412. rotating cylinder; 413. rotating plate; 414. block; 415. telescopic airbag; 416. fixing hole; 417. insertion rod; 418. connecting hole; 419. second mesh plate. DETAILED DESCRIPTION

[0022] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1-5 As shown, a push-pull speaker comprises a speaker housing 1; a mounting cavity 2 is mounted on the speaker housing 1; a playback device 3 is mounted on one side of the mounting cavity 2; an auxiliary heat dissipation device is mounted in the mounting cavity 2; the auxiliary heat dissipation device comprises a push plate 401; a push plate 401 is disposed on a side of the mounting cavity 2 away from the playback device 3; a first mesh plate 402 is mounted in a plate structural groove of the push plate 401; a support plate 403 is fixedly connected to a position slightly below the structural surface of the push plate 401; jacks 404 are symmetrically formed on the top of the support plate 403; an insert block 405 is inserted into the interior of the jack 404; a heat pipe 406 is fixedly connected to the top of the insert block 405;

[0024] A structural cavity 407 is defined within the heat conducting tube 406; the horizontal cross-section of the heat conducting tube 406 is rectangular; a fixed shaft 408 is fixedly connected to the opening of the structural cavity 407; rotating pieces 409 are equidistantly mounted on the exterior of the cross-section of the fixed shaft 408; the rotational trajectory of the rotating pieces 409 is the same as the width of the structural cavity 407; the width of the support plate 403 is the same as the width of the installation cavity 2; after the push plate 401 contacts the speaker housing 1, the support plate 403 completely enters the installation cavity 2, and the bottom end surface of the support plate 403 contacts the bottom end surface of the inner wall of the installation cavity 2;

[0025] A through hole 410 is provided on the body of the heat conducting pipe 406 near the rotating piece 409; a fixing rod 411 is fixed inside the through hole 410; a rotating cylinder 412 is installed on the outside of the cross section of the fixing rod 411; the cross-sectional diameter of the rotating cylinder 412 is the same as the opening width of the through hole 410; a rotating plate 413 is fixedly connected to the outer curved surface of the rotating cylinder 412; a telescopic airbag 415 is installed on the body of the heat conducting pipe 406 near the through hole 410; one side of the telescopic airbag 415 is connected to the plate body of the rotating plate 413; a stopper 414 is fixedly connected to the outer curved surface of the rotating cylinder 412 near the structural cavity 407; when the telescopic airbag 415 does not absorb heat and expand, the block body of the stopper 414 is aligned with the rotation trajectory of the rotating piece 409 Cross; when the telescopic airbag 415 absorbs heat and expands, the body of the rotated stopper 414 does not intersect with the rotation trajectory of the rotating piece 409; connecting holes 418 are provided on both sides of the speaker housing 1; the connecting hole 418 is connected to the installation cavity 2; a second mesh plate 419 is installed in the connecting hole 418; after the insertion block 405 is fully inserted into the interior of the socket 404, one end of the opening of the structural cavity 407 contacts the first mesh plate 402, and the other end of the opening of the structural cavity 407 contacts the second mesh plate 419; fixing holes 416 are provided on both sides of the support plate 403; the space for the fixing hole 416 passes through the space for the socket 404; a fixing hole 416 is provided on the body of the insertion block 405; an insertion rod 417 is installed inside the fixing hole 416;

[0026] During operation, with the gradual improvement of production technology, push-pull speakers are widely used, achieving lower distortion and higher efficiency, and are suitable for audio systems with high requirements for sound quality; when the existing push-pull structure speakers are in use, the push-pull speakers may generate more heat during operation, affecting the power consumption and stability of the system. The present application uses the function of the auxiliary heat dissipation device to insert the insertion block 405 into the interior of the jack 404 through the heat pipe 406, and insert the insertion rod 417 into the interior of the fixing hole 416, so that the heat pipe 406 is fixed on the support plate 403, and then the heat pipe 406 is pushed into the interior of the installation cavity 2 by using the support plate 403 and the push plate 401, and the heat pipe 406 is inserted into the interior of the installation cavity 2 when the playback device is in operation. When a large amount of heat is generated during preparation 3 operation, the heat conducting pipe 406 absorbs heat, and the air inside the structural cavity 407 absorbs heat and expands, pushing the rotating piece 409 on the fixed shaft 408 to rotate, and the telescopic airbag 415 is affected by the heat and expands, causing the rotating plate 413 to rotate. With the cooperation of the rotating cylinder 412 inside the through hole 410, the stopper 414 rotates around the fixed rod 411, so that the stopper 414 is out of the rotation range of the rotating piece 409. As the gas continues to flow, the rotating piece 409 will continue to rotate, and the hot air inside the structural cavity 407 will be discharged to the outside through the first mesh plate 402 and the second mesh plate 419, thereby accelerating the flow of hot air and achieving the effect of rapid heat dissipation.

[0027] Working principle: With the gradual improvement of production technology, push-pull speakers are widely used, achieving lower distortion and higher efficiency, and are suitable for audio systems with high requirements for sound quality; when using existing push-pull speakers, the push-pull speakers may generate more heat during operation, affecting the power consumption and stability of the system. This application uses the function of an auxiliary heat dissipation device to insert the insertion block 405 into the interior of the jack 404 through the heat pipe 406, and insert the insertion rod 417 into the interior of the fixing hole 416, so that the heat pipe 406 is fixed on the support plate 403, and then, the support plate 403 and the push plate 401 are used to push the heat pipe 406 into the interior of the installation cavity 2. When a large amount of heat is generated during operation of the playback device 3, The heat conducting pipe 406 absorbs heat, and the air inside the structural cavity 407 absorbs heat and expands, pushing the rotating piece 409 on the fixed shaft 408 to rotate, and the telescopic airbag 415 is affected by the heat and expands, causing the rotating plate 413 to rotate. With the cooperation of the rotating cylinder 412 inside the through hole 410, the stopper 414 rotates around the fixed rod 411, so that the stopper 414 is out of the rotation range of the rotating piece 409. As the gas continues to flow, the rotating piece 409 will continue to rotate, and the hot air inside the structural cavity 407 will be discharged to the outside through the first mesh plate 402 and the second mesh plate 419, thereby accelerating the flow of hot air, achieving the effect of rapid heat dissipation, reducing power consumption and reducing heat accumulation, and ensuring the stability of the speaker system.

[0028] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0029] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.

Claims

1. A push-pull speaker, comprising a speaker housing (1); a mounting cavity (2) mounted on the speaker housing (1); a playback device (3) mounted on one side of the mounting cavity (2); an auxiliary heat dissipation device mounted in the mounting cavity (2); characterized in that: The auxiliary heat dissipation device comprises a push plate (401); a push plate (401) is provided on a side of the installation cavity (2) away from the playback device (3); a first mesh plate (402) is installed in a plate structure groove of the push plate (401); a support plate (403) is fixedly connected to a position below the structural surface of the push plate (401); a top of the support plate (403) is symmetrically provided with a socket (404); an insertion block (405) is inserted into the interior of the socket (404); a heat pipe (406) is fixedly connected to the top of the insertion block (405); A structural cavity (407) is provided inside the heat conducting pipe (406); the horizontal cross section of the heat conducting pipe (406) is in a right-angled shape; a fixed shaft (408) is fixedly connected to the opening of the structural cavity (407); rotating pieces (409) are equidistantly installed outside the cross section of the fixed shaft (408); the rotation trajectory of the rotating piece (409) is the same as the opening width of the structural cavity (407); the width of the supporting plate (403) is the same as the opening width of the installation cavity (2); after the pushing plate (401) contacts the speaker housing (1), the supporting plate (403) completely enters the interior of the installation cavity (2), and the bottom end surface of the supporting plate (403) contacts the bottom end surface of the inner wall of the installation cavity (2).

2. The push-pull speaker according to claim 1, characterized in that: A through hole (410) is provided on the body of the heat conducting tube (406) near the rotating plate (409); a fixing rod (411) is fixed inside the through hole (410); a rotating cylinder (412) is sleeved and installed on the outside of the cross section of the fixing rod (411); the cross-sectional diameter of the rotating cylinder (412) is the same as the opening width of the through hole (410); and a rotating plate (413) is fixed to the outer arc surface of the rotating cylinder (412).

3. The push-pull speaker according to claim 2, characterized in that: A telescopic airbag (415) is installed on the body of the heat conducting pipe (406) at a position close to the through hole (410); one side of the telescopic airbag (415) is connected to the body of the rotating plate (413); and a stopper (414) is fixedly connected to the outer curved surface of the rotating cylinder (412) at a position close to the structural cavity (407).

4. The push-pull speaker according to claim 3, characterized in that: When the telescopic airbag (415) does not absorb heat and expand, the body of the stopper (414) intersects with the rotation trajectory of the rotating piece (409); when the telescopic airbag (415) absorbs heat and expands, the body of the rotated stopper (414) does not intersect with the rotation trajectory of the rotating piece (409).

5. The push-pull speaker according to claim 4, characterized in that: Communication holes (418) are provided on both sides of the speaker housing (1); the communication holes (418) are in communication with the installation cavity (2); a second mesh plate (419) is installed in the communication hole (418); after the insertion block (405) is fully inserted into the interior of the jack (404), one end of the opening of the structural cavity (407) contacts the first mesh plate (402), and the other end of the opening of the structural cavity (407) contacts the second mesh plate (419).

6. The push-pull speaker according to claim 4, characterized in that: Fixing holes (416) are provided on both sides of the support plate (403); the space provided by the fixing holes (416) penetrates the space provided by the insertion hole (404); the fixing hole (416) is provided through the body of the insertion block (405); and an insertion rod (417) is installed inside the fixing hole (416).

Images