Telescopic bar-shaped sound box

Abstract

A telescopic bar-shaped sound box comprises a guiding device, a first loudspeaking device and a second loudspeaking device. The first loudspeaker device is arranged on the guiding device. The second loudspeaking device is arranged on the guiding device, the second loudspeaking device and the first loudspeaking device are arranged in the length direction, and at least one of the first loudspeaking device and the second loudspeaking device is a sliding loudspeaking device which can be connected to the guiding device in a sliding mode. And the sliding loudspeaker device can be operated to telescopically slide relative to the guide device along the length direction. Therefore, a user can adjust and change the length of the telescopic bar-shaped sound box according to requirements, so that the elasticity in use can be increased.

Description

Technical Field

[0001] The present invention relates to a speaker, and more particularly to a telescopic bar speaker that can be telescoped to adjust its length. Background Art

[0002] An existing bar speaker (Soundbar) is usually placed in front of a TV to enhance the sound performance of the TV.

[0003] The length of the bar speaker usually needs to match the width of the TV. The length of the bar speaker plays an important role in sound performance. A longer bar speaker can make a left speaker and a right speaker farther apart to create a wider sound field, thus providing a better sound experience for the user. However, the length of the existing bar speaker is fixed. Therefore, the user cannot adjust and transform the length of the bar speaker according to the needs of matching the width size of the TV or improving sound performance, resulting in limitations in use.

[0004] In addition, in order to enable a packing box to load more bar speakers to improve and optimize the loading capacity, it is usually necessary to minimize the length of the bar speaker. Thus, optimizing the loading capacity of the packing box and using a longer bar speaker to improve sound performance cannot be satisfied simultaneously. Summary of the Invention

[0005] Therefore, one object of the present invention is to provide a telescopic bar speaker that can overcome at least one of the disadvantages of the background art.

[0006] The telescopic bar speaker according to the present invention includes a guiding device, a first sound generating device, and a second sound generating device. The first sound generating device is disposed on the guiding device, and the second sound generating device is disposed on the guiding device and arranged along the length direction with the first sound generating device. At least one of the first sound generating device and the second sound generating device is a sliding sound generating device slidably connected to the guiding device, and the sliding sound generating device can be operated to telescopically slide relative to the guiding device along the length direction.

[0007] For the telescopic bar speaker of the present invention, the guiding device includes a long housing extending along the length direction, and the sliding sound generating device includes a sliding housing, and the sliding housing is slidably connected to the long housing along the length direction.

[0008] For the telescopic bar speaker of the present invention, the sliding housing can be slidably sleeved on the long housing, and the sliding housing is formed with a sliding groove for the long housing to pass through and slidably connect to the long housing.

[0009] The telescopic bar-shaped speaker of the present invention, the sliding sound-emitting device further includes a sound-emitting module disposed in the sliding groove. The sliding sound-emitting device can at least slide relative to the guiding device between a retracted position and a fully extended position. In the retracted position, the sound-emitting module is adjacent to the long shell, and a part of the long shell is received in the sliding groove. In the fully extended position, the sound-emitting module is away from the long shell, and most of the long shell is exposed out of the sliding groove.

[0010] The telescopic bar-shaped speaker of the present invention, the long shell forms a receiving space. The sliding sound-emitting device further includes a holding push rod disposed on one side of the sound-emitting module for passing through the receiving space. The telescopic bar-shaped speaker further includes a transmission line connected between the long shell and the sound-emitting module. The transmission line has a held section held by the holding push rod and a non-held section that is not held by the holding push rod and is located in the receiving space. In the retracted position, the holding push rod and the held section held by it are located in the receiving space, and the holding push rod supports the non-held section, so that the non-held section is in a taut state. In the fully extended position, the holding push rod and the held section held by it protrude out of the receiving space, and the holding push rod does not support the non-held section, so that the non-held section is in a relaxed state.

[0011] The telescopic bar-shaped speaker of the present invention, the long shell has a stop ring surface and an anti-disengagement hook spaced from the stop ring surface along the length direction. The sliding shell forms a buckle groove for the anti-disengagement hook to buckle. The stop ring surface is used to stop the sliding shell so that the sliding sound-emitting device is positioned at the retracted position, and the anti-disengagement hook is used to buckle into the buckle groove to prevent the sliding sound-emitting device from disengaging from the fully extended position.

[0012] The telescopic bar-shaped speaker of the present invention, the guiding device further includes a bass speaker disposed in the long shell. In the retracted position, the sliding shell corresponds to the position of the bass speaker through the sound outlet hole. In the fully extended position, the bass speaker is exposed out of the sliding shell.

[0013] The telescopic bar-shaped speaker of the present invention, the guiding device includes a guide rail extending along the length direction. The sliding sound-emitting device forms a sliding groove extending along the length direction and slidably connected to the guide rail.

[0014] The telescopic bar-shaped speaker of the present invention, the guiding device further includes a long shell extending along the length direction. The guide rail is disposed on the long shell. The sliding sound-emitting device includes a sliding shell. The sliding shell is slidably connected to the long shell along the length direction and forms the sliding groove.

[0015] The telescopic bar-shaped speaker of the present invention, wherein the sliding housing has two side walls respectively located on opposite sides of the sliding groove, and each of the side walls has a plurality of sliding bumps arranged at intervals along the length direction and in sliding contact with the guide rail.

[0016] The telescopic bar-shaped speaker of the present invention, wherein the sliding sound emitting device can slide between different positions relative to the guiding device. One of the guiding device and the sliding sound emitting device is formed with a plurality of positioning holes arranged at intervals along the length direction, and the other of the guiding device and the sliding sound emitting device includes an elastic locking member for locking into the corresponding positioning hole to lock the sliding sound emitting device at the corresponding position.

[0017] The telescopic bar-shaped speaker of the present invention, wherein the guiding device includes a long housing extending along the length direction, a guide rail provided on the long housing and extending along the length direction, and the elastic locking member connected to the guide rail. The guide rail has a protruding rail section protruding from one side of the long housing, and the protruding rail section has an end far from the long housing. The protruding rail section is formed with a receiving groove adjacent to the end for receiving the elastic locking member. The sliding sound emitting device includes a sliding housing slidably sleeved on the long housing along the length direction. The sliding housing is formed with a sliding groove extending along the length direction and slidably slidable on the guide rail, and the positioning hole communicating with the sliding groove. The elastic locking member has a spring piece received in the receiving groove and a locking convex block protruding from the spring piece. The locking convex block exposes the receiving groove and protrudes from the guide rail for locking into the corresponding positioning hole.

[0018] The telescopic bar-shaped speaker of the present invention, wherein the guiding device includes a long housing extending along the length direction and having the elastic locking member, and the sliding sound emitting device includes a sliding housing slidably sleeved on the long housing along the length direction, and the sliding housing is formed with the positioning hole.

[0019] The telescopic bar-shaped speaker of the present invention, wherein the guiding device includes a long housing extending along the length direction, the long housing is formed with a guiding groove, and the positioning hole communicating with the guiding groove. The sliding sound emitting device includes a sliding housing that can slidably pass through and slide on the guiding groove and has the elastic locking member.

[0020] The telescopic bar-shaped speaker of the present invention, wherein the guiding device includes a rack portion extending along the length direction, and the sliding sound emitting device includes a motor and a gear connected to the motor and rotatable by the motor. The gear meshes with the rack portion.

[0021] The telescopic bar-shaped speaker of the present invention, the sliding sound emitting device can slide relative to the guiding device between a retracted position and a fully extended position. The guiding device is formed with a receiving groove extending along the length direction and located on one side of the rack portion for receiving the gear. The guiding device further includes a first stop surface and a second stop surface respectively located at two opposite ends of the receiving groove. The first stop surface is used to stop the gear to limit the sliding sound emitting device at the retracted position, and the second stop surface is used to stop the gear to limit the sliding sound emitting device at the fully extended position.

[0022] The telescopic bar-shaped speaker of the present invention, the guiding device includes a long shell extending along the length direction, and a guide rail disposed on the long shell and protruding from one side of the long shell and extending along the length direction. The guide rail is formed with the receiving groove and has the rack portion, the first stop surface and the second stop surface. The sliding sound emitting device includes a sliding connection shell slidably sleeved on the long shell along the length direction, and the sliding connection shell is formed with a sliding groove extending along the length direction and slidably connected to the guide rail.

[0023] The telescopic bar-shaped speaker of the present invention, the long shell is formed with at least one guiding groove, and the sliding connection shell can slidably penetrate and be slidably connected to the guiding groove and can partially protrude from the guiding groove.

[0024] The telescopic bar-shaped speaker of the present invention, the sliding sound emitting device can at least slide relative to the guiding device between a retracted position and a fully extended position. When in the retracted position, the sliding connection shell is received in the guiding groove, and when in the fully extended position, most of the sliding connection shell is exposed outside the guiding groove.

[0025] The telescopic bar-shaped speaker of the present invention, the sliding connection shell is formed with a wire collecting groove. The wire collecting groove has a wire collecting groove section and a wire guiding groove section communicating with one end of the wire collecting groove section. The sliding sound emitting device further includes a sound emitting module disposed in the sliding connection shell, and a wire bundling sleeve disposed in the sliding connection shell and adjacent to the junction of the wire collecting groove section and the wire guiding groove section. The telescopic bar-shaped speaker further includes a transmission line. The transmission line passes through the wire bundling sleeve and is held by the wire bundling sleeve and connected to the sound emitting module. A part of the transmission line is received in the wire collecting groove and has a folded-back portion located in the wire collecting groove section. When in the retracted position, the folded-back portion is away from the wire bundling sleeve, and when in the fully extended position, the folded-back portion is adjacent to the wire bundling sleeve.

[0026] For the telescopic bar-shaped speaker of the present invention, the length of the wire collecting groove section taken along the length direction is greater than the length of the wire guiding groove section taken along the length direction, and the height of the wire collecting groove section taken along the height direction perpendicular to the length direction is greater than the height of the wire guiding groove section taken along the height direction.

[0027] For the telescopic bar-shaped speaker of the present invention, the guiding device further includes a guide rail disposed in the long shell and located in the guiding groove and extending along the length direction. The sliding shell is formed with a sliding groove extending along the length direction and slidably connected to the guide rail. The sliding shell has two side walls respectively located on opposite sides of the sliding groove, and each side wall has a plurality of sliding bumps arranged at intervals along the length direction and slidably contacting the guide rail.

[0028] For the telescopic bar-shaped speaker of the present invention, each sliding bump is strip-shaped and its long direction extends along the height direction perpendicular to the length direction. Each sliding bump has a semicircular arc surface, and the arc surface contacts the guide rail by line contact.

[0029] For the telescopic bar-shaped speaker of the present invention, the sliding shell has a plurality of sliding bumps spaced apart from each other and slidably contacting the long shell.

[0030] For the telescopic bar-shaped speaker of the present invention, the long shell is further formed with an open groove communicating with the guiding groove. The sliding shell has a pulling bump received in the open groove and used for pulling.

[0031] For the telescopic bar-shaped speaker of the present invention, the sliding shell is formed with a guiding groove. The sliding type sound generating device further includes a sound generating module, and the sound generating module can slidably pass through and be slidably connected to the guiding groove and can partially extend out of the guiding groove.

[0032] For the telescopic bar-shaped speaker of the present invention, the sound generating module can slide between different multiple positions relative to the sliding shell. The sliding shell is further formed with a plurality of positioning grooves communicating with the guiding groove and arranged at intervals along the length direction. The sound generating module has an elastic locking member, and the elastic locking member is used for locking in the corresponding positioning groove to lock the sound generating module in the corresponding position.

[0033] For the telescopic bar-shaped speaker of the present invention, the guiding groove is circular, each positioning groove is circular, the sound generating module has a housing and a speaker disposed in the housing. The housing is cylindrical and is pivotally connected to the guiding groove rotatably and slidably connected to the guiding groove. The housing has the elastic locking member, and when the elastic locking member locks in the corresponding positioning groove, it can rotate relative to the corresponding positioning groove.

[0034] The telescopic bar speaker of the present invention, the guiding groove is in a square groove shape, the sound emitting module has a housing and a speaker, the housing is in a square column shape and is slidably connected to the guiding groove, the housing has the elastic locking member, the housing is formed with a pivoting groove, the speaker is pivotally connected to the pivoting groove rotatably, and a part of the speaker is exposed outside the housing through the pivoting groove for being pulled and rotated.

[0035] The telescopic bar speaker of the present invention, the first sound emitting device and the second sound emitting device are arranged in opposite directions along the length direction on the guiding device and are each a sliding sound emitting device slidably connected to the guiding device.

[0036] The telescopic bar speaker of the present invention, the first sound emitting device and the second sound emitting device are arranged in opposite directions along the length direction on the guiding device and are each a sliding sound emitting device slidably connected to the guiding device. The long housing has two half housings arranged along the length direction. The sliding grooves of the sliding housings of each sliding sound emitting device are used for accommodating the corresponding half housings. Each sliding sound emitting device further includes a sound emitting module arranged in the sliding groove. Each sliding sound emitting device can slide relative to the guiding device between a retracted position and a fully extended position. In the retracted position, the sound emitting module is adjacent to the corresponding half housing, and each half housing is accommodated in the corresponding sliding groove. In the fully extended position, the sound emitting module is away from the corresponding half housing, and most of each half housing is exposed outside the corresponding sliding groove.

[0037] The telescopic bar speaker of the present invention, the first sound emitting device and the second sound emitting device are arranged in opposite directions along the length direction on the guiding device and are each a sliding sound emitting device slidably connected to the guiding device. The long housing is formed with two guiding grooves spaced apart along the length direction. The sliding housing of each sliding sound emitting device can slidably penetrate and be connected to the corresponding guiding groove and can partially extend out of the corresponding guiding groove. Each sliding sound emitting device can slide relative to the guiding device between a retracted position and a fully extended position. In the retracted position, the sliding housing is received in the corresponding guiding groove. In the fully extended position, most of the sliding housing is exposed outside the corresponding guiding groove.

[0038] The beneficial effects of the present invention are as follows: Since at least one of the first loudspeaker device and the second loudspeaker device is a sliding loudspeaker device slidably connected to the guiding device, the user can adjust and transform the length of the telescopic bar-shaped speaker according to the width dimension of the television or the need to improve the sound performance, etc., thereby increasing the flexibility in use. In addition, the length of the telescopic bar-shaped speaker can be adjusted to be longer, so that the telescopic bar-shaped speaker can create a wider sound field, thereby providing a better sound experience for the user. Furthermore, the length of the telescopic bar-shaped speaker can be adjusted to be shorter, whereby more telescopic bar-shaped speakers can be loaded into the packaging box to improve and optimize the loading capacity. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 is a perspective view of a first embodiment of a telescopic bar-shaped speaker of the present invention;

[0040] Figure 2 is along Figure 1 a cross-sectional view taken along line II-II in

[0041] Figure 3 illustrating the assembly relationship between a guiding device, a first loudspeaker device and a second loudspeaker device, and the first loudspeaker device and the second loudspeaker device each in a retracted position; Figure 1 is a cross-sectional view taken along line III-III in

[0042] Figure 4 illustrating the assembly relationship between the guiding device, the first loudspeaker device, the second loudspeaker device, and two transmission lines;

[0043] Figure 5 is an exploded perspective view of the first embodiment;

[0044] Figure 6 is an incomplete exploded perspective view of the guiding device of the first embodiment;

[0045] Figure 7 is an exploded perspective view of the first loudspeaker device and the second loudspeaker device of the first embodiment;

[0046] Figure 8 is along Figure 1 a cross-sectional view taken along line VIII-VIII in

[0047] Figure 9 is Figure 2 a partial enlarged view of

[0048] Figure 10 isFigure 3 Partial enlarged view;

[0049] Figure 11 Is an incomplete cross-sectional view of the first embodiment, showing a locking lug of an elastic locking member moving away from a positioning hole;

[0050] Figure 12 Is a cross-sectional view of the first embodiment, showing the first sound emitting device and the second sound emitting device each in a half-extended position;

[0051] Figure 13 Is a cross-sectional view of the first embodiment, showing the first sound emitting device and the second sound emitting device each in a fully extended position;

[0052] Figure 14 Is Figure 13 Partial enlarged view;

[0053] Figure 15 Is an incomplete cross-sectional view of the first embodiment;

[0054] Figure 16 Is an exploded perspective view of a second embodiment of the telescopic bar speaker of the present invention;

[0055] Figure 17 Is a cross-sectional view of the second embodiment, showing the first sound emitting device and the second sound emitting device each in the retracted position;

[0056] Figure 18 Is a cross-sectional view of the second embodiment, showing the first sound emitting device and the second sound emitting device each in the fully extended position;

[0057] Figure 19 Is a perspective view of a third embodiment of the telescopic bar speaker of the present invention;

[0058] Figure 20 Is along Figure 19 A cross-sectional view taken along line XX-XX in;

[0059] Figure 21 Is along Figure 19 A cross-sectional view taken along line XXI-XXI in;

[0060] Figure 22 Is an exploded perspective view of the third embodiment;

[0061] Figure 23 Is a perspective view of the guiding device of the third embodiment viewed from another angle;

[0062] Figure 24 Is an incomplete cross-sectional view of the third embodiment;

[0063] Figure 25 is an incomplete cross-sectional view of the third embodiment;

[0064] Figure 26 is an incomplete cross-sectional view of the third embodiment;

[0065] Figure 27 is a perspective view of a fourth embodiment of the telescopic bar speaker of the present invention;

[0066] Figure 28 is along Figure 27 a cross-sectional view taken along line XXVIII-XXVIII in;

[0067] Figure 29 is an exploded perspective view of the fourth embodiment;

[0068] Figure 30 is an exploded perspective view of the fourth embodiment viewed from another perspective;

[0069] Figure 31 is an incomplete cross-sectional view of the fourth embodiment;

[0070] Figure 32 is along Figure 27 a cross-sectional view taken along line XXXII-XXXII in;

[0071] Figure 33 is an incomplete cross-sectional view of the fourth embodiment;

[0072] Figure 34 is an incomplete cross-sectional view of the fourth embodiment;

[0073] Figure 35 is an incomplete cross-sectional view of the fourth embodiment;

[0074] Figure 36 is an incomplete cross-sectional view of a fifth embodiment of the telescopic bar speaker of the present invention;

[0075] Figure 37 is an incomplete cross-sectional view of the fifth embodiment;

[0076] Figure 38 is an incomplete cross-sectional view of the fifth embodiment;

[0077] Figure 39 is an incomplete perspective view of the fifth embodiment;

[0078] Figure 40 is an incomplete cross-sectional view of a sixth embodiment of the telescopic bar speaker of the present invention; and

[0079] Figure 41 is an incomplete perspective view of the sixth embodiment. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0080] The present invention will be described in detail below with reference to the accompanying drawings and embodiments.

[0081] Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

[0082] Refer to Figure 1 、 Figure 2 and Figure 3 , a first embodiment of the telescopic bar speaker 100 of the present invention includes a guiding device 1, a first speaker device 2, a second speaker device 2', and two transmission lines 3.

[0083] For the convenience of subsequent description, a length direction D1 of the telescopic bar speaker 100, a width direction D2 perpendicular to the length direction D1, and a height direction D3 perpendicular to the length direction D1 and the width direction D2 are defined. Among them, Figure 1 the length direction D1 of Figure 1 is, for example, a left-right direction, and the direction indicated by the arrow in the length direction D1 is left, and the reverse direction is right. Figure 1 the width direction D2 of

[0084] is, for example, a front-back direction, and the direction indicated by the arrow in the width direction D2 is front, and the reverse direction is back. Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6, the telescopic bar speaker 100 is in a long strip shape and its longitudinal direction extends along the length direction D1. The guiding device 1 includes a long shell 11, an electronic control module 12, a guide rail 13, and two elastic locking members 15. The longitudinal direction of the long shell 11 extends along the length direction D1. The long shell 11 has a surface 111 and two side walls 112 located on opposite sides of the surface 111 and spaced apart along the length direction D1. In this first embodiment, the surface 111 is taken as a lower surface facing downwards as an example but not limited thereto, and the surface 111 can also be an upper surface facing upwards. The long shell 11 forms a receiving space 113. The receiving space 113 has a receiving chamber 114, two side sockets 115, and two side openings 116. The receiving chamber 114 is between the side walls 112 and is for accommodating the electronic control module 12. The side sockets 115 are respectively formed on the side walls 112, communicate with the receiving chamber 114, and are adjacent to the front end of the long shell 11. The side openings 116 are respectively formed on the side walls 112 and communicate with the receiving chamber 114, and the side openings 116 are respectively located in front of the side sockets 115. The long shell 11 has two half shells 110 arranged along the length direction D1, and each half shell 110 is a half structure of the long shell 11 taken in the length direction D1.

[0085] Refer to Figure 2 , Figure 3 and Figure 8 , the electronic control module 12 is arranged in the receiving chamber 114 of the receiving space 113. The electronic control module 12 has necessary components capable of achieving the functions required when the telescopic bar speaker 100 operates. The electronic control module 12 has two connectors 121 corresponding to the positions of the side sockets 115 respectively.

[0086] Refer to Figure 2 , Figure 4 , Figure 5 and Figure 6, the guide rail 13 is made of, for example, a metal material and is provided on the surface 111 of the long shell 11. The guide rail 13 is in the shape of a long rail, and its longitudinal direction extends along the length direction D1 and protrudes from the side wall 112. The guide rail 13 has a connecting rail section 131 and two protruding rail sections 132. The connecting rail section 131 is fixedly connected to the surface 111 by, for example, welding or screwing. The protruding rail sections 132 are respectively connected to two opposite ends of the connecting rail section 131 and respectively protrude from the side wall 112. Each protruding rail section 132 has an end 133, and the end 133 is spaced from the corresponding side wall 112 by a distance along the length direction D1. Each protruding rail section 132 is formed with a receiving groove 134 adjacent to the end 133. The receiving groove 134 is used for receiving the corresponding elastic locking member 15. The receiving groove 134 is in the shape of a long groove, and its longitudinal direction extends along the length direction D1. The receiving groove 134 has a through groove portion 135 and a blind groove portion 136. The through groove portion 135 is adjacent to the end 133 and penetrates the protruding rail section 132. The blind groove portion 136 communicates with one end of the through groove portion 135 opposite to the end 133. The blind groove portion 136 is recessed upward from the bottom surface of the protruding rail section 132 and does not penetrate the protruding rail section 132. Each protruding rail section 132 has a plane 137 facing downward and facing the blind groove portion 136.

[0087] Each elastic locking member 15 is made of, for example, a metal material and has a spring piece 151 and a locking protrusion 152. The spring piece 151 is received in the receiving groove 134 of the corresponding protruding rail section 132 and has a connecting piece body 153 and a hanging piece body 154. The connecting piece body 153 is received in the blind groove portion 136 of the receiving groove 134 and is fixedly connected to the plane 137 by, for example, welding. The hanging piece body 154 is connected to one end of the connecting piece body 153 and is received in the through groove portion 135 of the receiving groove 134. The locking protrusion 152 is integrally protruded from the bottom surface of the hanging piece body 154. The locking protrusion 152 exposes from the through groove portion 135 and protrudes from the bottom surface of the corresponding protruding rail section 132.

[0088] Refer to Figure 2 , Figure 3 and Figure 4, the first speaker device 2 and the second speaker device 2' are arranged in opposite directions along the length direction D1 on the guiding device 1 and are arranged along the length direction D1. The first speaker device 2 and the second speaker device 2' are respectively a right speaker device and a left speaker device. In the present first embodiment, the first speaker device 2 and the second speaker device 2' are each a sliding speaker device slidably connected to the guiding device 1. The first speaker device 2 and the second speaker device 2' can each be operated to telescopically slide relative to the guiding device 1 along the length direction D1. The first speaker device 2 and the second speaker device 2' can each slide between different multiple positions relative to the guiding device 1. Thereby, the user can adjust and change the distance between the first speaker device 2 and the second speaker device 2' according to requirements, so as to change the length of the telescopic bar-shaped speaker 100 in the length direction D1.

[0089] Refer to Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 7 and Figure 8 , each of the first speaker device 2 and the second speaker device 2' includes a sliding connection shell 21, a speaker module 22, and a holding push rod 23. The sliding connection shell 21 is slidably connected to the corresponding half shell 110 of the long shell 11 along the length direction D1. In the present first embodiment, the sliding connection shell 21 is slidably sleeved on the corresponding half shell 110 of the long shell 11, so that the long shell 11 functions to guide and limit the sliding connection shell 21 to slide only along the length direction D1. The sliding connection shell 21 has a surrounding wall 211 and a side wall 212 provided on the outside of the surrounding wall 211. The surrounding wall 211 and the side wall 212 jointly define a sliding connection groove 213. The sliding connection groove 213 accommodates the speaker module 22 and the holding push rod 23. The sliding connection groove 213 is penetrated by the corresponding half shell 110 of the long shell 11 and slidably connected to the corresponding half shell 110. The surrounding wall 211 has an inner wall surface 214 and an outer wall surface 215 opposite to the inner wall surface 214. A sliding groove 216 recessed from the inner wall surface 214 towards the outer wall surface 215 is formed at the bottom of the surrounding wall 211. The sliding groove 216 is in a long groove shape and its length direction extends along the length direction D1. The sliding groove 216 is slidably connected to the guide rail 13. In the present first embodiment, the guide rail 13 is a dovetail guide rail, and the sliding groove 216 is a dovetail groove for the dovetail guide rail to slide. By the cooperation of the sliding groove 216 and the guide rail 13, the function of guiding and limiting the sliding connection shell 21 to slide only along the length direction D1 is achieved.

[0090] It should be noted that, in another embodiment of the first embodiment, the guide rail 13 may also be an inverted T-shaped guide rail with an inverted T-shaped longitudinal section, and the chute 216 may also be an inverted T-shaped chute with an inverted T-shaped longitudinal section. Thus, the sliding housing 21 can also be guided and restricted to slide along the length direction D1.

[0091] Referring to Figure 2 、 Figure 5 and Figure 7 , a plurality of positioning holes 217 recessed from the outer wall surface 215 towards the inner wall surface 214 are further formed at the bottom of the surrounding wall 211. The positioning holes 217 are arranged at intervals along the length direction D1 and communicate with the chute 216. The first sound emitting device 2 and the second sound emitting device 2' can each slide relative to the guiding device 1 between different multiple positions. The locking lug 152 of each elastic locking member 15 is used to lock into the corresponding positioning hole 217 of the corresponding sliding housing 21 to lock the first sound emitting device 2 or the second sound emitting device 2' at the corresponding position. The number of the positioning holes 217 is at least two. The first sound emitting device 2 and the second sound emitting device 2' can each slide relative to the guiding device 1 at least between a retracted position (as shown in Figure 2 ) and a fully extended position (as shown in Figure 13 ). The locking lug 152 of each elastic locking member 15 is used to lock into the corresponding positioning hole 217 of the corresponding sliding housing 21 to lock the first sound emitting device 2 or the second sound emitting device 2' at the retracted position or the fully extended position.

[0092] Specifically, in the first embodiment, the number of the positioning holes 217 of the sliding housing 21 is taken as three as an example but not limited thereto, so that each elastic locking member 15 can lock the first sound emitting device 2 or the second sound emitting device 2' at the retracted position (as shown in Figure 2 ), the fully extended position (as shown in Figure 13 ), and a half-extended position (as shown in Figure 12 ) between the retracted position and the fully extended position. It should be noted that the number of the positioning holes 217 is determined according to the number of positions where the first sound emitting device 2 and the second sound emitting device 2' need to be positioned. When the number of positions where the first sound emitting device 2 and the second sound emitting device 2' need to be positioned is two and are respectively the retracted position and the fully extended position, the number of the positioning holes 217 can be designed as two. When the number of positions where the first sound emitting device 2 and the second sound emitting device 2' need to be positioned is more than three, the number of the positioning holes 217 can be designed as more than three.

[0093] Refer to Figure 3 、 Figure 5 and Figure 7 , the speaker module 22 is disposed in the sliding groove 213 of the sliding housing 21 and adjacent to the side wall 212. The speaker module 22 has a side wall 221 opposite to the side wall 212. The holding push rod 23 is disposed on the side wall 221 of the speaker module 22. The holding push rod 23 is in the shape of a long rod and its longitudinal direction extends along the length direction D1. The holding push rod 23 has a fixed end 231, a pushing end 232, and a holding side 233. The fixed end 231 is fixedly connected to the side wall 221 of the speaker module 22 by, for example, welding. The pushing end 232 is a free end opposite to the fixed end 231. The pushing end 232 extends through the corresponding side opening 116 of the accommodating space 113 into the accommodating chamber 114, and the pushing end 232 is used to push the corresponding transmission line 3. The holding side 233 is located between the fixed end 231 and the pushing end 232 for holding a part of the corresponding transmission line 3.

[0094] Refer to Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 and Figure 7 , each transmission line 3 includes a plug connector 31 and a transmission line body 32. The plug connector 31 is inserted into the corresponding side socket 115 of the accommodating space 113 and electrically connected to the corresponding connector 121. One end of the transmission line body 32 is connected to the plug connector 31 and the other end is electrically connected to the speaker module 22. The transmission line body 32 has a held section 321 and a non-held section 322. The held section 321 has the same length as the holding push rod 23 and abuts against the holding side 233 and is held by the holding side 233. The holding side 233 is fixedly adhered to the held section 321 by, for example, glue or tape to hold the held section 321, so that the held section 321 can maintain a straight state without bending deformation. The non-held section 322 is connected between the held section 321 and the plug connector 31 and is mostly located in the corresponding side opening 116 and the accommodating chamber 114. The non-held section 322 is not held by the holding push rod 23 and can be pushed by the pushing end 232.

[0095] Refer to Figure 1 、 Figure 2 and Figure 9, when the first speaker device 2 and the second speaker device 2' are each in the retracted position, the speaker module 22 of the first speaker device 2 and the speaker module 22 of the second speaker device 2' are adjacent to the long shell 11 and respectively abut against the side wall 112 of the half shell 110. Each half shell 110 is received in the sliding groove 213 of the corresponding sliding connection shell 21. The locking bump 152 of each elastic locking member 15 is locked in the positioning hole 217 of the corresponding sliding connection shell 21 adjacent to the side wall 212 to lock the first speaker device 2 or the second speaker device 2' in the retracted position. At this time, the length of the telescopic strip speaker 100 in the length direction D1 is the shortest, and the distance between the speaker module 22 of the first speaker device 2 and the speaker module 22 of the second speaker device 2' in the length direction D1 is the shortest.

[0096] See Figure 3 and Figure 10 , when the first speaker device 2 and the second speaker device 2' are each in the retracted position, the respective holding push rods 23 of the first speaker device 2 and the second speaker device 2' pass through the corresponding side openings 116 of the accommodation space 113 and extend into the accommodation chamber 114. The held section 321 of the corresponding transmission line 3 held by the holding side 233 of the holding push rod 23 is located in the corresponding side opening 116 of the accommodation space 113 and the accommodation chamber 114. The pushing end 232 of the holding push rod 23 pushes against the non-held section 322 of the corresponding transmission line 3, so that the non-held section 322 abuts against the pushing end 232 and is on the side of the holding push rod 23 opposite to the holding side 233 and is in a taut state.

[0097] See Figure 11 and Figure 12 , when the first speaker device 2 and the second speaker device 2' are each to be slid outwards from the retracted position to the semi-extended position, it is necessary to first apply a force to press the locking bump 152 of each elastic locking member 15 from bottom to top. After the locking bump 152 is stressed, it will drive the suspension body 154 to bend and deform relative to the connecting body 153 and accumulate a reset elastic force. When the locking bump 152 extends into the through groove portion 135 and completely moves away from the corresponding positioning hole 217, the locking state of the locking bump 152 is released.

[0098] Subsequently, the first sound device 2 and the second sound device 2' are respectively pulled outwards, such that the first sound device 2 and the second sound device 2' slide outwards relative to the guiding device 1 and move away from each other. When the positioning holes 217 at the middle positions of each sliding housing 21 are aligned with the locking lug 152 of the corresponding elastic locking member 15, the suspension piece 154 of the elastic locking member 15 rebounds the locking lug 152 by the accumulated reset elastic force, such that the locking lug 152 automatically extends out of the through slot portion 135 and is locked to the positioning hole 217 at the middle position. Thus, each elastic locking member 15 locks the first sound device 2 or the second sound device 2' at the semi-extended position. At this time, the length of the telescopic bar-shaped speaker 100 in the length direction D1, and the distance between the sound module 22 of the first sound device 2 and the sound module 22 of the second sound device 2' in the length direction D1 both become longer, and the sound module 22 of the first sound device 2 and the sound module 22 of the second sound device 2' are respectively away from the long housing 11.

[0099] Refer to Figure 11 , Figure 13 and Figure 14 , when it is desired to slide the first sound device 2 and the second sound device 2' outwards from the semi-extended position to the fully extended position respectively, first release the locking state of the locking lug 152 of each elastic locking member 15 by the aforementioned operation method. Subsequently, the first sound device 2 and the second sound device 2' are respectively pulled outwards, such that the first sound device 2 and the second sound device 2' slide outwards relative to the guiding device 1 and move away from each other. When the positioning holes 217 at the inner positions of each sliding housing 21 are aligned with the locking lug 152 of the corresponding elastic locking member 15, the suspension piece 154 of the elastic locking member 15 rebounds the locking lug 152 by the accumulated reset elastic force, such that the locking lug 152 automatically extends out of the through slot portion 135 and is locked to the positioning hole 217. Thus, each elastic locking member 15 locks the first sound device 2 or the second sound device 2' at the fully extended position. At this time, the sound module 22 of each of the first sound device 2 and the second sound device 2' is away from the corresponding half housing 110, and most of each half housing 110 is exposed outside the sliding slot 213 of the corresponding sliding housing 21. The length of the telescopic bar-shaped speaker 100 in the length direction D1 is the longest, and the distance between the sound module 22 of the first sound device 2 and the sound module 22 of the second sound device 2' in the length direction D1 is the longest.

[0100] Refer to Figure 13 and Figure 15 During the process of the first sound - producing device 2 and the second sound - producing device 2' sliding outwards respectively, the holding push rods 23 of the first sound - producing device 2 and the second sound - producing device 2' will drive the corresponding held holding segments 321 of the transmission line 3 to gradually protrude out of the corresponding side openings 116 of the accommodation space 113 and move away from the accommodation chamber 114. The pushing ends 232 will move away from the non - held segment 322 and will not push against the non - held segment 322, making the non - held segment 322 in a relaxed state. When the first sound - producing device 2 and the second sound - producing device 2' are at their respective fully extended positions, the length of the holding segment 321 of the corresponding transmission line 3 driven by the holding push rod 23 to protrude out of the accommodation space 113 is the longest.

[0101] Refer to Figure 11 and Figure 13 To slide the first sound - producing device 2 and the second sound - producing device 2' inwards from their respective fully extended positions, first release the locking state of the locking lugs 152 of each elastic locking member 15 through the aforementioned operation method. Subsequently, push the first sound - producing device 2 and the second sound - producing device 2' inwards respectively, so that the first sound - producing device 2 and the second sound - producing device 2' slide inwards relative to the guiding device 1 and approach each other. Thereby, the first sound - producing device 2 and the second sound - producing device 2' can be slid and positioned respectively at Figure 12 the semi - extended position shown in Figure 2 or the retracted position shown in

[0102] Refer to Figure 10 , Figure 13 and Figure 15 During the process of the first sound - producing device 2 and the second sound - producing device 2' sliding inwards from their respective fully extended positions to the retracted positions, the holding push rods 23 of the first sound - producing device 2 and the second sound - producing device 2' will drive the corresponding held holding segments 321 of the transmission line 3 to gradually extend into the accommodation chamber 114 of the accommodation space 113. When the pushing end 232 of the holding push rod 23 contacts the non - held segment 322, the pushing end 232 will push the non - held segment 322 inwards. When the first sound - producing device 2 and the second sound - producing device 2' slide to their respective retracted positions, the pushing end 232 pushes against the non - held segment 322 to make it return to the taut state.

[0103] When the first speaker device 2 and the second speaker device 2' are respectively in the fully extended position or the half-extended position, the holding side 233 of the holding push rod 23 holds the holding section 321, so that the holding section 321 extending out of the accommodating space 113 can maintain a straight state without bending in the sliding groove 213. Thus, during the process of the first speaker device 2 and the second speaker device 2' sliding inwards from the fully extended position or the half-extended position to the retracted position, the speaker module 22 will not be blocked by the bent holding section 321 or squeezed by the bent holding section 321, enabling the first speaker device 2 and the second speaker device 2' to smoothly return to the retracted position respectively, thereby improving the operational convenience. In addition, when the first speaker device 2 and the second speaker device 2' slide to the half-extended position or the fully extended position respectively, the holding section 321 of each transmission line 3 will be accommodated in the sliding groove 213 and shielded by the sliding housing 21. Thus, it can prevent the transmission line 3 from being exposed to improve the overall aesthetics of the telescopic bar speaker 100.

[0104] Referring to Figure 2 , Figure 12 and Figure 13 , in addition to the foregoing method, there is also the following adjustment method for adjusting the length of the telescopic bar speaker 100:

[0105] One method is to position one of the first speaker device 2 and the second speaker device 2' at the retracted position and slide the other one to the half-extended position or the fully extended position, so that the telescopic bar speaker 100 also has two different length variations.

[0106] Another method is to position one of the first speaker device 2 and the second speaker device 2' at the half-extended position and slide the other one to the fully extended position, so that the telescopic bar speaker 100 also has another different length variation.

[0107] By the first speaker device 2 and the second speaker device 2' each being a sliding speaker device slidably connected to the guiding device 1 and each being able to slide between three different positions: the retracted position, the semi-extended position, and the fully extended position, the user can adjust and transform the length of the telescopic bar speaker 100 according to the needs of matching the width dimension of a TV or improving the sound performance, etc., so as to increase the flexibility in use. In addition, by adjusting and positioning the first speaker device 2 and the second speaker device 2' at the fully extended position respectively, the length of the telescopic bar speaker 100 can be adjusted to the longest, so that the telescopic bar speaker 100 can create a wider sound field and thus provide a better sound experience for the user. Furthermore, by adjusting and positioning the first speaker device 2 and the second speaker device 2' at the retracted position respectively, the length of the telescopic bar speaker 100 can be adjusted to the shortest, whereby a packing box can load a larger number of the telescopic bar speakers 100 to improve and optimize the loading capacity. Thus, the telescopic design of the telescopic bar speaker 100 can meet the requirements of improving the sound performance and optimizing the loading capacity of the packing box at the same time.

[0108] By the cooperation of the sliding connection shell 21 and the long shell 11 and the cooperation of the sliding groove 216 and the guide rail 13, the sliding connection shell 21 can stably slide along the length direction D1. By the guide rail 13 protruding from the side wall 112 of the long shell 11 and the sliding groove 216 of the corresponding sliding connection shell 21 being slidably connected, it can prevent the sliding connection shell 21 from shaking during the sliding process and thus improve the sliding stability of the sliding connection shell 21. In addition, by the length of each sliding connection shell 21 being designed such that the sliding groove 213 can simultaneously accommodate the speaker module 22 and the corresponding semi-shell 110, the sliding distance of the sliding connection shell 21 relative to the long shell 11 is long, so as to increase the overall length of the telescopic bar speaker 100 when the first speaker device 2 and the second speaker device 2' each slide to the fully extended position. And when the first speaker device 2 and the second speaker device 2' are each in the retracted position, the guiding device 1 can be completely hidden in the sliding groove 213 of the sliding connection shell 21. Furthermore, by each protruding rail segment 132 of the guide rail 13 forming a receiving groove 134 for the elastic piece 151 of the corresponding elastic locking member 15, the overall thickness after the elastic locking member 15 is assembled on the guide rail 13 can be reduced.

[0109] It should be noted that in another embodiment of the present first embodiment, one of the first sound device 2 and the second sound device 2' may be a fixed sound device fixedly connected to the guiding device 1, and the other may be the sliding sound device. Thereby, the effect of adjusting the length of the telescopic bar-shaped speaker 100 can also be achieved.

[0110] Refer to Figure 16 and Figure 17 , a second embodiment of the telescopic bar-shaped speaker 100 of the present invention has an overall structure substantially the same as that of the first embodiment, and the difference lies in the way of operating the sliding of the first sound device 2 and the second sound device 2'.

[0111] Each side wall 112 of the long shell 11 and the surface 111 together form a side slot 117 communicating with the accommodating space 113 (as Figure 2 shown). The guide rail 13 has two rack portions 138 spaced along the length direction D1. Each rack portion 138 is jointly defined by the connecting rail segment 131 and the corresponding protruding rail segment 132. Each rack portion 138 extends along the length direction D1. The connecting rail segment 131 of the guide rail 13 and the corresponding protruding rail segment 132 jointly define the corresponding accommodating groove 134. Each accommodating groove 134 is located on one side of the corresponding rack portion 138 and is for accommodating a plurality of convex teeth of the rack portion 138. The guide rail 13 also has two first stop surfaces 139 and two second stop surfaces 140. Each first stop surface 139 and the corresponding second stop surface 140 are respectively located at two opposite ends of the corresponding accommodating groove 134. Each second stop surface 140 is adjacent to the corresponding end 133 and is located between the corresponding end 133 and the corresponding first stop surface 139.

[0112] The first sound device 2 and the second sound device 2' each further include a motor 24 and a gear 25. The motor 24 is disposed on the side wall 221 of the sound module 22 and partially protrudes from the side wall 221. The motor 24 is connected to the electronic control module 12 through the transmission line 3 (as Figure 2electrically connected and capable of being controlled by the electronic control module 12 to operate. The gear 25 is connected to the motor 24 and capable of being driven by the motor 24 to rotate. The gear 25 is spaced from the side wall 221 and received in the corresponding receiving groove 134 and meshed with the corresponding rack portion 138. Each of the first stop surfaces 139 is used to stop the corresponding gear 25 to limit the first speaker device 2 or the second speaker device 2' to the retracted position. Each of the second stop surfaces 140 is used to stop the corresponding gear 25 to limit the first speaker device 2 or the second speaker device 2' to the fully extended position.

[0113] When the first speaker device 2 or the second speaker device 2' is in the retracted position respectively, a part of the motor 24 of each of the first speaker device 2 and the second speaker device 2' extends through the corresponding side slot 117 into the accommodation space 113, and the gear 25 is received in the corresponding side slot 117 in addition to being received in the corresponding receiving groove 134. The gears 25 of each of the first speaker device 2 and the second speaker device 2' abut against the corresponding first stop surface 139.

[0114] Refer to Figure 17 and Figure 18 , when the user wants to slide the first speaker device 2 and the second speaker device 2' outwards from the retracted position respectively, the user can wirelessly control the electronic control module 12 (as Figure 2 shown) to control each motor 24 to drive the corresponding gear 25 to rotate forward. When each gear 25 rotates forward, it moves outwards along the corresponding rack portion 138, so as to drive the first speaker device 2 and the second speaker device 2' to slide outwards relative to the guiding device 1 and move away from each other. When each gear 25 contacts the corresponding second stop surface 140 and is stopped by the corresponding second stop surface 140, the first speaker device 2 and the second speaker device 2' can no longer slide outwards and are positioned at the fully extended position.

[0115] Conversely, when the user desires to slide the first speaker device 2 and the second speaker device 2' inward from the fully extended position, the user can wirelessly control the electronic control module 12 through the smartphone or the remote controller to control each motor 24 to drive the corresponding gear 25 to rotate in the reverse direction. When each gear 25 rotates in the reverse direction, it will move inward along the corresponding rack portion 138, so as to drive the first speaker device 2 and the second speaker device 2' to slide inward relative to the guiding device 1 and approach each other. When each gear 25 contacts the corresponding first stop surface 139 and is stopped by the corresponding first stop surface 139, the first speaker device 2 and the second speaker device 2' can no longer slide inward and are positioned at the retracted position.

[0116] During the above operation process, the user can wirelessly control the electronic control module 12 through the smartphone or the remote controller to control each motor 24 to stop operating, so that the first speaker device 2 and the second speaker device 2' stop at any selected position between the retracted position and the fully extended position. Thereby, the first speaker device 2 and the second speaker device 2' of the second embodiment can achieve the effect of stepless positioning, so that there can be more variations when adjusting the length of the telescopic bar-shaped speaker 100.

[0117] Referring to Figure 19 , a third embodiment of the telescopic bar-shaped speaker 100 of the present invention has an overall structure substantially the same as that of the first embodiment, and the difference lies in the detailed structures of the guiding device 1, the first speaker device 2, and the second speaker device 2'.

[0118] Referring to Figure 20 , Figure 21 , Figure 22 and Figure 23, the long shell 11 has a middle shell 160 and two side shells 161 respectively located on opposite sides of the middle shell 160 and spaced apart along the length direction D1. The middle shell 160 and the side shells 161 jointly define the accommodation space 113. The middle shell 160 has two stop ring surfaces 162 spaced apart along the length direction D1 and respectively connected to the side shells 161. Each of the stop ring surfaces 162 is used to stop the surrounding wall 211 of the sliding shell 21 of the first speaker device 2 or the second speaker device 2', so that the first speaker device 2 or the second speaker device 2' is positioned at the retracted position. The middle shell 160 is formed with a cavity 114 communicating with the accommodation space 113 and a through hole 163 facing backward. Each of the side shells 161 has an elastic locking member 164 and an anti-disengagement hook 165 spaced apart from the corresponding stop ring surface 162 along the length direction D1. The elastic locking member 164 is located on the top side of the side shell 161 and has a spring piece 166 and a locking convex block 167 protruding from the top surface of the spring piece 166. The anti-disengagement hook 165 is located at the rear side of the side shell 161.

[0119] The guiding device 1 further includes a woofer 181 and a reflex tube 182 disposed in the cavity 114 of the accommodation space 113. The woofer 181 is located in the side shell 161 on, for example, the left side. One end of the reflex tube 182 communicates with the through hole 163 of the long shell 11. By arranging the woofer 181 and the reflex tube 182 in the long shell 11, the guiding device 1 can be used as a bass reflex speaker.

[0120] Refer to Figure 20 , Figure 21 and Figure 22 , the sliding grooves 213 of the sliding shells 21 of the first speaker device 2 and the second speaker device 2' are respectively penetrated by the corresponding side shells 161 of the long shell 11 and slidably connected to the corresponding side shells 161. The top of the surrounding wall 211 of the sliding shell 21 of the first speaker device 2 and the second speaker device 2' is formed with the positioning holes 217 recessed from the inner wall surface 214 towards the outer wall surface 215. Each of the positioning holes 217 is used for the locking convex block 167 of the corresponding elastic locking member 164 to lock. The rear part of the surrounding wall 211 of the sliding shell 21 of the first speaker device 2 and the second speaker device 2' is formed with a buckle groove 218 recessed from the inner wall surface 214 towards the outer wall surface 215. The buckle groove 218 is used for the corresponding anti-disengagement hook 165 to buckle, so as to prevent the first speaker device 2 or the second speaker device 2' from disengaging from the fully extended position.

[0121] When the first speaker device 2 and the second speaker device 2' are each in the retracted position, each anti-disengagement hook 165 of the long housing 11 is squeezed and deformed by the surrounding wall 211 of the corresponding sliding housing 21 and stores a restoring elastic force. The surrounding wall 211 of the sliding housing 21 of the second speaker device 2' corresponds to the position of the bass speaker 181 through a sound outlet hole 219, so that the speaker modules 22 of the first speaker device 2 and the second speaker device 2' can cooperate with the bass reflex speaker formed by the guiding device 1.

[0122] Refer to Figure 24 , when the second speaker device 2' is in the semi-extended position, the surrounding wall 211 of the sliding housing 21 of the second speaker device 2' corresponds to the position of the bass speaker 181 through another sound outlet hole 219', so that the speaker modules 22 of the first speaker device 2 (as Figure 20 shown) and the second speaker device 2' can still cooperate with the bass reflex speaker formed by the guiding device 1.

[0123] Refer to Figure 25 and Figure 26 , when the first speaker device 2 and the second speaker device 2' are each in the fully extended position, each anti-disengagement hook 165 rebounds by the stored restoring elastic force and automatically latches into the buckle groove 218 of the corresponding sliding housing 21 to prevent the first speaker device 2 (as Figure 20 shown) or the second speaker device 2' from disengaging from the fully extended position. The bass speaker 181 is exposed outside the sliding housing 21 of the second speaker device 2', so that the speaker modules 22 of the first speaker device 2 and the second speaker device 2' can still cooperate with the bass reflex speaker formed by the guiding device 1.

[0124] Refer to Figure 27 and Figure 28 , a fourth embodiment of the telescopic bar-shaped speaker 100 of the present invention has an overall structure substantially the same as that of the first embodiment, and the difference lies in the connection manner between the first speaker device 2 and the second speaker device 2' and the guiding device 1.

[0125] Refer to Figure 28 , Figure 29 and Figure 30, the long shell 11 of the guiding device 1 has a peripheral wall 168, and the peripheral wall 168 has a bottom wall portion 169. The peripheral wall 168 defines the accommodating space 113 and two guiding grooves 170 that are respectively communicated with opposite sides of the accommodating space 113 and are spaced along the length direction D1. The accommodating space 113 is for accommodating the electronic control module 12. The bottom wall portion 169 is formed with a plurality of positioning holes 171. Taking six as an example for the number of the positioning holes 171. Every three of the positioning holes 171 are arranged at intervals along the length direction D1 and are communicated with the corresponding guiding groove 170. The bottom wall portion 169 is further formed with two open grooves 172 that are respectively communicated with the guiding grooves 170. Each of the open grooves 172 is located at the opening of the corresponding guiding groove 170.

[0126] Refer to Figure 30 , Figure 31 and Figure 32 , the guiding device 1 further includes two guide rails 173. Each of the guide rails 173 integrally protrudes from the inner wall surface of the bottom wall portion 169 of the peripheral wall 168 and is located in the corresponding guiding groove 170 and extends along the length direction D1.

[0127] Refer to Figure 28 , Figure 29 and Figure 30 , the sliding connection shells 21 of the first sound device 2 and the second sound device 2' can slidably pass through and are slidably connected to the corresponding guiding grooves 170 and can partially protrude from the corresponding guiding grooves 170. The sliding connection shell 21 has an elastic locking member 260. The elastic locking member 260 is located at the bottom of the surrounding wall 211 and has an elastic piece 261 and a locking convex block 262 protruding from the bottom surface of the elastic piece 261. The locking convex block 262 of the elastic locking member 260 is used to lock the corresponding positioning hole 171 of the long shell 11 to lock the first sound device 2 or the second sound device 2' at the retracted position, the semi-protruded position, or the fully protruded position. When the first sound device 2 and the second sound device 2' are respectively in the retracted position, the sliding connection shell 21 is received in the corresponding guiding groove 170. When the first sound device 2 and the second sound device 2' are respectively in the semi-protruded position, the sliding connection shell 21 partially protrudes from the corresponding guiding groove 170. When the first sound device 2 and the second sound device 2' are respectively in the fully protruded position, the sliding connection shell 21 mostly protrudes from the corresponding guiding groove 170.

[0128] Refer to Figure 30 , Figure 31 and Figure 32, a chute 216 recessed from the outer wall surface 215 towards the inner wall surface 214 is formed at the bottom of the surrounding wall 211 of the sliding housing 21 of each of the first sound emitting device 2 and the second sound emitting device 2'. The chute 216 is located on one side of the elastic locking member 260. The chute 216 extends along the length direction D1 and is slidably connected to the corresponding guide rail 173. In this fourth embodiment, the surrounding wall 211 of the sliding housing 21 has two side walls 263 respectively located on opposite sides of the chute 216, and the side walls 263 are spaced apart along the width direction D2. Each side wall 263 has a plurality of sliding bumps 264 arranged at intervals along the length direction D1 and slidably contacting the corresponding guide rail 173. By the side walls 263 respectively slidably contacting opposite sides of the corresponding guide rail 173 through the sliding bumps 264, the contact area between the sliding housing 21 and the guide rail 173 can be reduced to lower the friction force therebetween, so that the sliding housing 21 can slide smoothly relative to the guide rail 173. Specifically, each sliding bump 264 is elongated and its long direction extends along the height direction D3. Each sliding bump 264 has a semi-circular arc surface 265. The arc surface 265 contacts the guide rail 173 in a line contact manner. Thereby, the contact area between the sliding bump 264 and the guide rail 173 can be reduced to increase the sliding smoothness of the sliding housing 21, and the range of contact between the sliding bump 264 and the guide rail 173 in the height direction D3 can be increased, so that the sliding housing 21 will not wobble relative to the guide rail 173 during the sliding process. BCPI - 240004 Page 23 / 26

[0129] Wobble.

[0130] Refer to Figure 29 , Figure 30 And Figure 32 , the sliding housing 21 of each of the first sound emitting device 2 and the second sound emitting device 2' further has a plurality of sliding bumps 266. The sliding bumps 266 are integrally convexly provided on the top and bottom sides of the outer wall surface 215 of the surrounding wall 211 and slidably contact the inner wall surface of the peripheral wall 168 of the long housing 11. Thereby, the contact area between the sliding housing 21 and the peripheral wall 168 can be reduced to lower the friction force therebetween, so that the sliding housing 21 can slide smoothly relative to the peripheral wall 168.

[0131] Refer to Figure 28 And Figure 30, the sliding shell 21 of each of the first speaker device 2 and the second speaker device 2' further has a pull protrusion 267. The pull protrusion 267 is spaced apart from the elastic locking member 260 along the length direction D1. The pull protrusion 267 protrudes out of the bottom side of the outer wall surface 215 of the surrounding wall 211 and is accommodated in the corresponding open groove 172 for being pulled by the user's finger. When the user wants to pull the first speaker device 2 or the second speaker device 2' outward from the retracted position, the user can first insert the finger into the open groove 172 and then apply force outward to pull the pull protrusion 267, and the locking protrusion 262 of the elastic locking member 260 is pulled out of the corresponding positioning hole 171 and the locking state is released, so that the user can conveniently unlock the first speaker device 2 or the second speaker device 2' and pull it out. In this way, the convenience of user operation can be improved.

[0132] See also Figure 28 , Figure 30 and Figure 33 The sliding shell 21 of each of the first speaker device 2 and the second speaker device 2' further has a protruding cover 268 integrally protruding from the bottom of the inner wall surface 214 of the surrounding wall 211. The protruding cover 268 is located on the other side of the elastic locking member 260. The protruding cover 268 has a first end wall 269 adjacent to the elastic locking member 260, and a second end wall 270 spaced apart from the first end wall 269 along the length direction D1. The surrounding wall 211 and the protruding cover 268 jointly define an open wire collecting groove 271. The wire collecting groove 271 has a wire collecting groove section 272, and a wire groove section 273 connected to one end of the wire collecting groove section 272 and adjacent to the elastic locking member 260. The length of the wire collecting trough section 272 along the length direction D1 is greater than the length of the wire trough section 273 along the length direction D1, and the height of the wire collecting trough section 272 along the height direction D3 is greater than the height of the wire trough section 273 along the height direction D3. Thus, the volume of the wire collecting trough section 272 can be greater than the volume of the wire trough section 273.

[0133] The sliding housing 21 is formed with a chamber 274 for accommodating the speaker module 22. Each of the first speaker device 2 and the second speaker device 2' further includes a wire sleeve 275. The wire sleeve 275 is disposed on the first end wall 269 of the protruding cover 268 and adjacent to the junction of the wire collecting groove section 272 and the wire guiding groove section 273. The transmission line 3 passes through the wire sleeve 275 and is held by the wire sleeve 275. The transmission line 3 is connected between the speaker module 22 and the electronic control module 12. A part of the transmission line 3 is accommodated in the wire collecting groove 271. The transmission line 3 has a folded portion 33 located in the wire collecting groove section 272 and adjacent to the second end wall 270. When each of the first speaker device 2 and the second speaker device 2' is in the retracted position, the folded portion 33 of the transmission line 3 is away from the wire sleeve 275 and adjacent to the second end wall 270 of the protruding cover 268.

[0134] Refer to Figure 33 , Figure 34 and Figure 35 , when the first speaker device 2 or the second speaker device 2' (as Figure 30 shown) slides outwards from the retracted position, the transmission line 3 moves out of the wire collecting groove section 272 and exits through the wire guiding groove section 273, so that the position of the transmission line 3 forming the folded portion 33 is continuously changed and the folded portion 33 gradually approaches the wire sleeve 275 and the first end wall 269. When the first speaker device 2 or the second speaker device 2' slides outwards to the Figure 35 shown fully extended position, the folded portion 33 of the transmission line 3 is adjacent to the wire sleeve 275 and the first end wall 269 and away from the second end wall 270.

[0135] Conversely, when the first speaker device 2 or the second speaker device 2' slides inwards from the fully extended position, the transmission line 3 moves into the wire collecting groove section 272 through the wire guiding groove section 273, so that the position of the transmission line 3 forming the folded portion 33 is continuously changed and the folded portion 33 gradually approaches the second end wall 270. When the first speaker device 2 or the second speaker device 2' slides inwards to the Figure 33 shown retracted position, the folded portion 33 of the transmission line 3 is away from the wire sleeve 275 and adjacent to the second end wall 270.

[0136] With the design of the wire collecting groove 271, the sliding housing 21 can play the role of guiding and collecting the transmission line 3, so as to prevent the transmission line 3 from being arbitrarily pulled during the sliding process of the first speaker device 2 or the second speaker device 2', and can prevent the transmission line 3 from hindering the sliding of the first speaker device 2 or the second speaker device 2'.

[0137] Refer to Figure 36 , a fifth embodiment of the telescopic bar speaker 100 of the present invention, whose overall structure is substantially the same as that of the fourth embodiment, the difference lies in the first speaker device 2 and the second speaker device 2'.

[0138] Refer to Figure 36 、 Figure 37 and Figure 38 , a guiding groove 276 is formed in each of the sliding housings 21 of the first speaker device 2 and the second speaker device 2', and a plurality of positioning grooves 277 communicating with the guiding groove 276 and arranged at intervals along the length direction D1. The speaker module 22 can slidably pass through and be slidably connected to the guiding groove 276 and can partially extend out of the guiding groove 276. The speaker module 22 can slide between different positions relative to the sliding housing 21. The speaker module 22 has a housing 222 and a speaker 223 arranged in the housing 222. The housing 222 can slidably pass through and be slidably connected to the guiding groove 276 and has an elastic locking member 224. The elastic locking member 224 has a spring piece 225 and a locking convex block 226 protruding from the spring piece 225. The locking convex block 226 of the elastic locking member 224 is used to lock into the corresponding positioning groove 277 to lock the first speaker device 2 or the second speaker device 2' at the corresponding position. Thereby, the length of the telescopic bar speaker 100 can be adjusted to be longer and can be used in cooperation with a larger-sized TV.

[0139] Refer to Figure 38 and Figure 39 , in this fifth embodiment, the guiding groove 276 of the sliding housing 21 is in a circular groove shape, and each positioning groove 277 is in a circular ring shape. The housing 222 of the speaker module 22 is in a cylindrical shape and can be pivotally connected to the guiding groove 276 rotatably and can be slidably connected to the guiding groove 276. When the locking convex block 226 of the elastic locking member 224 locks into the corresponding positioning groove 277, it can rotate relative to the corresponding positioning groove 277. Thereby, the speaker module 22 can arbitrarily adjust the sound output angle of the speaker 223 according to needs, so as to improve the flexibility in use.

[0140] Refer to Figure 40 and Figure 41, a sixth embodiment of the telescopic bar speaker 100 of the present invention, the overall structure of which is substantially the same as that of the fifth embodiment, the difference lies in the first sound emitting device 2 and the second sound emitting device 2'.

[0141] In this sixth embodiment, the guiding groove 276 of the sliding housing 21 is in the shape of a square groove. The outer housing 222 of the sound emitting module 22 is in the shape of a square column and is slidably connected to the guiding groove 276. The sliding housing 21 is formed with a pivoting groove 227. The speaker 223 is pivotally connected to the pivoting groove 227 rotatably. A part of the speaker 223 is exposed outside the outer housing 222 through the pivoting groove 227 for being pulled and rotated. Thereby, the speaker 223 of the sound emitting module 22 can be adjusted arbitrarily according to requirements to adjust the sound emitting angle, so as to improve the elasticity in use. BCPI-240004 Page 26 / 26

[0142] Improve the elasticity in use.

[0143] To sum up, for the telescopic bar speaker 100 of each embodiment, at least one of the first sound emitting device 2 and the second sound emitting device 2' is a sliding sound emitting device slidably connected to the guiding device 1, so that the user can adjust and transform the length of the telescopic bar speaker 100 according to the width size of the TV or the requirements such as improving the sound performance, etc., thereby increasing the elasticity in use. In addition, the length of the telescopic bar speaker 100 can be adjusted to be longer, so that the telescopic bar speaker 100 can create a wider sound field, thereby providing a better sound experience for the user. Moreover, the length of the telescopic bar speaker 100 can be adjusted to be shorter, thereby enabling the packaging box to load a larger number of the telescopic bar speakers 100 to improve and optimize the loading capacity, and can truly achieve the purpose claimed by the present invention.

Claims

1. A telescopic bar speaker, characterized in that: The telescopic bar speaker includes a guiding device, a first sound - emitting device, and a second sound - emitting device. The first sound - emitting device is disposed on the guiding device. The second sound - emitting device is disposed on the guiding device and is arranged with the first sound - emitting device along the length direction. At least one of the first sound - emitting device and the second sound - emitting device is a sliding sound - emitting device slidably connected to the guiding device, and the sliding sound - emitting device can be operated to telescopically slide relative to the guiding device along the length direction.

2. The telescopic bar-shaped speaker according to claim 1, wherein: The guiding device includes a long shell extending along the length direction. The sliding sound - emitting device includes a sliding connection shell, and the sliding connection shell is slidably connected to the long shell along the length direction.

3. The telescopic bar-shaped speaker according to claim 2, wherein: The sliding connection shell is slidably sleeved on the long shell, and the sliding connection shell is formed with a sliding connection groove for the long shell to pass through and be slidably connected to the long shell.

4. The telescopic bar-shaped speaker according to claim 3, characterized in that: The sliding sound - emitting device further includes a sound - emitting module disposed in the sliding connection groove. The sliding sound - emitting device can at least slide relative to the guiding device between a retracted position and a fully extended position. In the retracted position, the sound - emitting module is adjacent to the long shell, and a part of the long shell is received in the sliding connection groove. In the fully extended position, the sound - emitting module is away from the long shell, and most of the long shell is exposed out of the sliding connection groove.

5. The telescopic bar-shaped speaker according to claim 4, characterized in that: The long shell is formed with a receiving space. The sliding sound - emitting device further includes a holding push rod disposed on one side of the sound - emitting module for passing through the receiving space. The telescopic bar speaker further includes a transmission line connected between the long shell and the sound - emitting module. The transmission line has a held section held by the holding push rod and a non - held section not held by the holding push rod and located in the receiving space. In the retracted position, the holding push rod and the held section held by it are located in the receiving space, and the holding push rod propping against the non - held section makes the non - held section in a taut state. In the fully extended position, the holding push rod and the held section held by it protrude out of the receiving space, and the holding push rod does not prop against the non - held section, making the non - held section in a relaxed state.

6. The telescopic bar-shaped speaker according to claim 4, wherein: The long shell has a stop ring surface and an anti - detachment hook spaced from the stop ring surface along the length direction. The sliding connection shell is formed with a buckle groove for the anti - detachment hook to be buckled. The stop ring surface is used to stop the sliding connection shell to position the sliding sound - emitting device in the retracted position, and the anti - detachment hook is used to be buckled in the buckle groove to prevent the sliding sound - emitting device from detaching from the fully extended position.

7. The telescopic bar-shaped speaker according to claim 4, characterized in that: The guiding device further includes a bass speaker disposed in the long shell. In the retracted position, the sliding connection shell is opposite to the bass speaker through a sound - emitting hole. In the fully extended position, the bass speaker is exposed out of the sliding connection shell.

8. The telescopic bar-shaped speaker according to claim 1, characterized in that: The guiding device includes a guide rail extending along the length direction. The sliding sound - emitting device is formed with a sliding groove extending along the length direction and slidably connected to the guide rail.

9. The telescopic bar-shaped speaker according to claim 8, wherein: The guiding device further includes a long housing extending along the length direction, the guide rail is arranged in the long housing, the sliding sound device includes a sliding housing, and the sliding housing is slidably connected to the long housing along the length direction and is formed with the chute.

10. The telescopic bar-shaped sound box according to claim 9, characterized in that: The sliding housing has two side walls respectively located on opposite sides of the chute, and each side wall has a plurality of sliding bumps arranged at intervals along the length direction and slidably contacting the guide rail.

11. The telescopic bar-shaped speaker according to claim 1, wherein: The sliding sound device can slide between different positions relative to the guiding device. One of the guiding device and the sliding sound device is formed with a plurality of positioning holes arranged at intervals along the length direction, and the other of the guiding device and the sliding sound device includes an elastic locking member, and the elastic locking member is used for locking into the corresponding positioning hole to lock the sliding sound device at the corresponding position.

12. The telescopic bar-shaped speaker according to claim 11, wherein: The guiding device includes a long housing extending along the length direction, a guide rail arranged in the long housing and extending along the length direction, and the elastic locking member connected to the guide rail. The guide rail has a protruding rail section protruding from one side of the long housing. The protruding rail section has an end far from the long housing, and the protruding rail section is formed with a receiving groove adjacent to the end for receiving the elastic locking member. The sliding sound device includes a sliding housing slidably sleeved on the long housing along the length direction. The sliding housing is formed with a chute extending along the length direction and slidably connected to the guide rail, and the positioning hole communicating with the chute. The elastic locking member has a spring piece received in the receiving groove and a locking protrusion protruding from the spring piece. The locking protrusion exposes out of the receiving groove and protrudes out of the guide rail for locking into the corresponding positioning hole.

13. The telescopic bar-shaped speaker according to claim 11, wherein: The guiding device includes a long housing extending along the length direction and having the elastic locking member, and the sliding sound device includes a sliding housing slidably sleeved on the long housing along the length direction, and the sliding housing is formed with the positioning hole.

14. The telescopic bar-shaped sound box according to claim 11, characterized in that: The guiding device includes a long housing extending along the length direction, the long housing is formed with a guiding groove, and the positioning hole communicating with the guiding groove. The sliding sound device includes a sliding housing, and the sliding housing can slidably penetrate and be connected to the guiding groove and has the elastic locking member.

15. The telescopic bar-shaped speaker according to claim 1, wherein: The guiding device includes a rack portion extending along the length direction, and the sliding sound device includes a motor and a gear connected to the motor and capable of being driven by the motor to rotate. The gear meshes with the rack portion.

16. The telescopic bar-shaped sound box according to claim 15, wherein: The sliding speaker device can slide between a retracted position and a fully extended position relative to the guiding device, and the guiding device is formed with a receiving groove extending along the length direction and located on one side of the rack portion and for receiving the gear. The guiding device also includes a first stop surface and a second stop surface respectively located at two opposite ends of the receiving groove, the first stop surface is used to stop the gear so as to limit the sliding speaker device to the retracted position, and the second stop surface is used to stop the gear so as to limit the sliding speaker device to the fully extended position.

17. The telescopic bar speaker according to claim 16, wherein: The guiding device includes a long shell extending along the length direction, and a guide rail arranged on the long shell and protruding from one side of the long shell and extending along the length direction, the guide rail is formed with the accommodating groove and has the rack portion, the first stop surface and the second stop surface, the sliding speaker device includes a sliding shell that can be slidably mounted on the long shell along the length direction, the sliding shell is formed with a sliding groove extending along the length direction and can be slidably connected to the guide rail.

18. The telescopic bar-shaped speaker according to claim 2, characterized in that: The long shell is formed with at least one guide groove, and the sliding shell can be slidably disposed and slidably connected to the guide groove and can partially extend out of the guide groove.

19. The telescopic bar-shaped sound box according to claim 18, wherein: The sliding speaker device can at least slide relative to the guide device between a retracted position and a fully extended position. In the retracted position, the sliding shell is accommodated in the guide groove. In the fully extended position, most of the sliding shell is exposed outside the guide groove.

20. The telescopic bar-shaped speaker according to claim 19, characterized in that: The sliding shell is formed with a wire collection groove, and the wire collection groove has a wire collection groove section and a wire groove section connected to one end of the wire collection groove section. The sliding speaker device also includes a speaker module arranged in the sliding shell, and a cable tie sleeve arranged in the sliding shell and adjacent to the junction of the wire collection groove section and the wire groove section. The telescopic sound bar also includes a transmission line, which is passed through the cable tie sleeve and is held by the cable tie sleeve and connected to the speaker module. A part of the transmission line is accommodated in the wire collection groove and has a folded portion located in the wire collection groove section. When in the retracted position, the folded portion is away from the cable tie sleeve, and when in the fully extended position, the folded portion is adjacent to the cable tie sleeve.

21. The telescopic bar-shaped sound box according to claim 20, characterized in that: The length of the collecting trough section along the length direction is greater than the length of the conducting wire trough section along the length direction, and the height of the collecting trough section along a height direction perpendicular to the length direction is greater than the height of the conducting wire trough section along the height direction.

22. The telescopic bar-shaped speaker according to claim 18, wherein: The guiding device also includes a guide rail arranged on the long shell, located in the guide groove and extending along the length direction. The sliding shell is formed with a sliding groove extending along the length direction and slidably connected to the guide rail. The sliding shell has two side walls respectively located on opposite sides of the sliding groove. Each of the side walls has a plurality of sliding protrusions arranged at intervals along the length direction and slidingly contacting the guide rail.

23. The telescopic bar-shaped speaker according to claim 22, wherein: Each of the sliding bumps is strip-shaped and extends in a height direction perpendicular to the length direction. Each of the sliding bumps has an arc surface in a semi-circular shape, and the arc surface contacts the guide rail in a line contact manner.

24. The telescopic bar-shaped sound box according to claim 18, wherein: The sliding housing has a plurality of sliding bumps that are spaced apart from each other and slidably contact the long housing.

25. The telescopic bar-shaped speaker according to claim 18, wherein: The long housing further forms an open slot communicating with the guide slot, and the sliding housing has a pulling bump received in the open slot for pulling.

26. The telescopic bar-shaped sound box according to claim 18, wherein: The sliding housing forms a guiding slot. The sliding sound device further includes a sound module that slidably penetrates and is slidably connected to the guiding slot and can partially extend out of the guiding slot.

27. The telescopic bar-shaped speaker according to claim 26, wherein: The sound module can slide between different positions relative to the sliding housing. The sliding housing further forms a plurality of positioning grooves communicating with the guiding slot and arranged at intervals along the length direction. The sound module has an elastic locking member for locking to the corresponding positioning groove to lock the sound module at the corresponding position.

28. The telescopic bar-shaped speaker according to claim 27, wherein: The guiding slot is in a circular groove shape, and each of the positioning grooves is in an annular shape. The sound module has a housing and a speaker disposed inside the housing. The housing is cylindrical and is pivotally connected to the guiding slot rotatably and slidably connected to the guiding slot. The housing has the elastic locking member, and when the elastic locking member locks to the corresponding positioning groove, it can rotate relative to the corresponding positioning groove.

29. The telescopic bar speaker according to claim 27, wherein: The guiding slot is in a square groove shape. The sound module has a housing and a speaker. The housing is in a square column shape and is slidably connected to the guiding slot. The housing has the elastic locking member, and the housing forms a pivoting slot. The speaker is pivotally connected to the pivoting slot rotatably, and a part of the speaker is exposed outside the housing through the pivoting slot for pulling and rotating.

30. The telescopic bar-shaped speaker according to any one of claims 1 to 29, characterized in that: The first sound device and the second sound device are arranged in opposite directions along the length direction on the guiding device and are each the sliding sound device slidably connected to the guiding device.

31. The telescopic bar-shaped speaker according to claim 3, characterized in that: The first sound device and the second sound device are arranged in opposite directions along the length direction on the guiding device and are each the sliding sound device slidably connected to the guiding device. The long housing has two half-housings arranged along the length direction. The sliding groove of the sliding housing of each sliding sound device is for receiving the corresponding half-housing. Each sliding sound device further includes a sound module disposed in the sliding groove. Each sliding sound device can slide between a retracted position and a fully extended position relative to the guiding device. When in the retracted position, the sound module is adjacent to the corresponding half-housing, and each half-housing is received in the corresponding sliding groove. When in the fully extended position, the sound module is away from the corresponding half-housing, and most of each half-housing is exposed outside the corresponding sliding groove.

32. The telescopic bar speaker according to claim 18, wherein: The first loudspeaker device and the second loudspeaker device are arranged in opposite directions along the length direction on the guiding device, and each is a sliding loudspeaker device slidably connected to the guiding device. The long shell is formed with two guiding grooves spaced apart along the length direction. The sliding connection shell of each sliding loudspeaker device can slidably pass through and be slidably connected to the corresponding guiding groove and can partially protrude from the corresponding guiding groove. Each sliding loudspeaker device can slide relative to the guiding device between a retracted position and a fully extended position. In the retracted position, the sliding connection shell is received in the corresponding guiding groove. In the fully extended position, most of the sliding connection shell protrudes out of the corresponding guiding groove.

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