CN210431743U - Active connecting rod for connecting sound boxes with telescopic height - Google Patents

Abstract

The utility model discloses an active connecting rod for connecting telescopic height between sound boxes, which comprises a telescopic rod and an active base, wherein, the two ends of the telescopic rod are respectively provided with an active contact head for electric connection, a cable for electrically connecting the active contact heads at the two ends is arranged in the telescopic rod, the active base comprises a sleeve pipe which can be inserted from one end by the lower end of the telescopic rod, the outer side of the insertion end of the sleeve pipe is fixed with a flange, the inner side is provided with an internal thread, the telescopic rod is provided with an external thread connected with the internal thread, the flange is provided with a screw fixing hole, the inner part of the other end of the sleeve pipe is provided with an electric socket which can be inserted with the active contact head on the insertion end of the telescopic rod and can rotate relative to the active contact head after being inserted, the active contact head and the electric socket are electrically connected after being inserted, and can be kept electrically connected when the active contact head and the electric socket rotate, for connection to the outside.

Description

Active connecting rod for connecting sound boxes with telescopic height

[ technical field ] A method for producing a semiconductor device

The utility model relates to an active connecting rod for connecting scalable height between audio amplifier.

[ background of the invention ]

When the sound column is installed, the sound column is usually directly fixed on the supporting rod, then the sound column is fixedly connected with the electrode on the sound column through the cable, the sound column is connected with a power supply through the cable, the supporting rod is usually fixedly connected to the ground or an installation frame, and the sound column is inconvenient to assemble and disassemble. In some temporary application occasions, such as outdoor performance and outdoor venue performance, a speaker system needs to be temporarily built, the sound post can only be bound on some fixed buildings, or a temporary frame is built for fixing, and the sound post is still detached after the completion of the application, so that the use is inconvenient. In addition, in the design application of the loudspeaker, sometimes, in order to obtain ideal tone quality and sound feeling, the sound column and the bass box need to be combined for use, sometimes, only the bass box needs to be used alone, the bass box is usually relatively heavy and is usually placed on the ground or a support table, and if the sound column can be supported by the bass box, the mounting source of the sound column is reduced, and the sound column is convenient to mount and use.

The present invention is made based on such a situation.

[ Utility model ] content

The utility model aims at overcoming the defects of the prior art, and providing an active connecting rod which has simple structure, firm connection and convenient disassembly and assembly and is used for connecting the telescopic height between the sound boxes.

The utility model discloses a realize through following technical scheme:

the utility model provides an active connecting rod that is used for connecting scalable height between audio amplifier which characterized in that: the telescopic rod comprises an outer rod and an inner rod which are of tubular structures, the inner rod is inserted into the outer rod and can be pulled out and pressed in relative to the outer rod, a telescopic rod fastening piece for fixing the outer rod and the inner rod is arranged between the outer rod and the inner rod, active contact heads for electric connection are respectively arranged at two ends of the telescopic rod, cables for electric connection of the active contact heads at the two ends are arranged in the telescopic rod, the active base comprises a sleeve pipe for inserting the lower end of the telescopic rod from one end, a flange is fixed on the outer side of the insertion end of the sleeve pipe, an internal thread is arranged on the inner side of the sleeve pipe, an external thread which is connected with the internal thread after the telescopic rod is inserted into the sleeve pipe is arranged on the telescopic rod, a plurality of screw fixing holes for screws to pass through for installation and fixation are arranged on the flange, and an active contact head which can be inserted into the insertion end of the telescopic rod is arranged, and can be relative active contact pivoted electrical socket after pegging graft, just active contact and electrical socket realize electric connection after pegging graft to keep electric connection when the two takes place relative rotation, the sleeve pipe is equipped with in the outside that is located the one end of electrical socket and is used for carrying out electric connection's connecting terminal with external equipment with electrical socket electric connection.

As above be used for connecting active connecting rod of scalable height between audio amplifier, its characterized in that: the lower end of the outer rod is in threaded connection with an insertion rod used for being inserted into a sleeve, the sleeve is matched with the insertion rod and is used for positioning the insertion rod in the circumferential direction, an active contact at the lower end of the telescopic rod is arranged at the lower end of the insertion rod, and the external thread is arranged on the outer side of the upper portion of the insertion rod.

As above be used for connecting active connecting rod of scalable height between audio amplifier, its characterized in that: the outer diameter of the insertion rod is equal to that of the inner rod, the active contact head at the upper end of the telescopic rod is arranged at the upper end of the inner rod, and when the inner rod is connected with the active base in an inserting mode, the active contact head is connected with the electric socket in an inserting mode and electrically connected.

As above be used for connecting active connecting rod of scalable height between audio amplifier, its characterized in that: the electric socket comprises a circular positioning groove which is concave inwards along the axial direction, a circular inner ring terminal and a circular outer ring terminal which are coaxial are arranged in the positioning groove, and the outer ring terminal is arranged on the outer side of the inner ring terminal at intervals.

As above be used for connecting active connecting rod of scalable height between audio amplifier, its characterized in that: the active contact head comprises a positioning ring which is used for being inserted into the positioning groove and matched with the positioning groove, a first contact terminal which is used for being inserted into the inner side of the inner ring terminal and contacted with the inner ring terminal and a second contact terminal which is used for being inserted between the outer ring terminal and the inner ring terminal and contacted with the outer ring terminal are arranged on the active contact head and positioned on the inner side of the positioning ring.

As above be used for connecting active connecting rod of scalable height between audio amplifier, its characterized in that: the telescopic rod firm piece comprises an upper hoop and a lower hoop which are connected together, the lower hoop is sleeved on the outer side of the outer rod, the upper hoop is sleeved on the outer side of the inner rod, and fastening screw rods used for tightening the hoops are arranged on the hoops.

Compared with the prior art, the utility model discloses there is following advantage: through the rotatable grafting structure of active contact head and electric socket, make sleeve pipe and telescopic link can threaded connection fixed, because the telescopic link upper end needs install other audio amplifier, it is fixed to connect the telescopic link from the lower extreme through active base, it is firm to make the telescopic link installation, and realize being connected with dismantling of below audio amplifier through active base, make easy dismounting between telescopic link and the audio amplifier swift, the length of the adjustable telescopic link of pole and outer pole in through, thereby adjust the height of the audio amplifier that the telescopic link erects.

[ description of the drawings ]

The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:

fig. 1 is an exploded view of the present invention;

FIG. 2 is a schematic view of the internal structure of the telescopic rod of the present invention;

FIG. 3 is a schematic diagram of the internal structure of an active mount;

FIG. 4 is a schematic diagram of the structure of an active mount;

FIG. 5 is a schematic diagram of the structure of an active contact;

fig. 6 is a schematic plan view of an active contact;

FIG. 7 is a schematic view of the structure of the insertion rod;

fig. 8 is a schematic structural view of the present invention for connecting a sound post and a bass box;

fig. 9 is a schematic diagram of the internal structure of an active mount having two positive and two negative wiring structures.

[ detailed description ] embodiments

The invention will be further described with reference to the accompanying drawings:

as shown in fig. 1 to 8, an active connection rod for connecting telescopic heights between sound boxes includes a telescopic rod 1 and an active base 2, the telescopic rod 1 is composed of an outer rod 11 and an inner rod 12 having a tubular structure, the inner rod 12 is inserted into the outer rod 11 and can be pulled out and pressed in relative to the outer rod 11, a telescopic rod fastener 13 for fixing the outer rod 11 and the inner rod 12 is disposed between the outer rod 11 and the inner rod 12, active contacts 3 for electrical connection are respectively disposed at two ends of the telescopic rod 1, a cable 4 for electrically connecting the active contacts 3 at the two ends is disposed in the telescopic rod 1, the active base 2 includes a sleeve 21 for inserting the lower end of the telescopic rod 1 from one end, a flange 22 is fixed on the outer side of an insertion end of the sleeve 21, an internal thread 23 is disposed on the inner side of the sleeve 21, an external thread 14 for threaded connection with the internal thread 23 is disposed on the telescopic rod 1 after the telescopic rod 1 is inserted into, be equipped with a plurality of screw fixed orifices 24 that are used for supplying the screw to pass in order to install fixedly on flange 22, the inside of the other end of sleeve pipe 21 is equipped with can insert the end with telescopic link 1 insert the active contact 3 on the end and peg graft to can be relative active contact 3 pivoted electrical socket 25 after pegging graft, just active contact 3 and electrical socket 25 realize electric connection after pegging graft, and keep electric connection when the two takes place relative rotation, sleeve pipe 21 is equipped with in the outside that is located the one end of electrical socket 25 and is used for carrying out electric connection's connecting terminal 26 with external equipment with electrical socket 25 electric connection.

Through the rotatable grafting structure of active contact head 3 and electrical socket 25, make sleeve pipe 21 and telescopic link 1 can threaded connection fixed, because 1 upper end of telescopic link need install other audio amplifier, connect telescopic link 1 from the lower extreme through active base 2 and fix, it is firm to make the installation of telescopic link 1 stabilize, and realize through active base 2 that telescopic link 1 is connected with dismantling of below audio amplifier, make easy dismounting between telescopic link 1 and the audio amplifier swift, through the length of interior pole 12 and the adjustable telescopic link 1 of outer pole 11, thereby adjust the height of the audio amplifier that telescopic link 1 erected.

The lower end of the outer rod 11 is connected with an insert rod 15 through a thread for inserting into a sleeve 21, the diameter of the insert rod 15 is smaller than that of the outer rod 11 and is inserted into the outer rod 11, the sleeve 21 is matched with the insert rod 15 and transversely positions the insert rod 15 from the circumferential direction, the active contact 3 at the lower end of the telescopic rod 1 is arranged at the lower end of the insert rod 15, and the external thread 14 is arranged outside the upper part of the insert rod 15.

Since the inner rod 12 is inserted into one end of the outer rod 11, and is connected to the other end of the outer rod 11 by using the insertion rod 15, and is used for installing the source contact 3 and connecting the active base 2, the structure is simple. And the pipe diameter of the insert rod 15 is smaller than that of the outer rod 11, a step surface is formed between the lower end surface of the outer rod 11 and the insert rod 15, and the depth of threaded connection between the insert rod 15 and the sleeve 21 can be positioned through the lower end surface of the outer rod 11 when the active base 2 is connected.

The external diameter of inserted bar 15 equals with the external diameter of interior pole 12, active contact 3 of telescopic link 1 upper end is established in the upper end of interior pole 12 to when interior pole 12 is pegged graft with active base 2, this active contact 3 is pegged graft with electrical socket 25 and is realized electric connection, makes the same active base 2 can cooperate with the upper and lower end of telescopic link 1 simultaneously, simplifies the structure, also facilitates the use installation. The telescopic rod 1 is connected with the loudspeaker boxes to be erected through the active base 2 at the upper end, and is connected with the loudspeaker boxes below through the active base 2 at the lower end, so that the two loudspeaker boxes are conveniently and quickly connected and detached.

Certainly, because the lower extreme of telescopic link 1 has been fixed, the upper end of telescopic link 1 also can directly be connected with the audio amplifier that needs to erect, through set up the upper end male mating holes that supplies telescopic link 1 in the bottom of audio amplifier, the electrical socket that corresponds the grafting with active contact 3 in the mating holes setting can.

As shown in fig. 3 and 4, the electrical socket 25 includes a circular positioning groove 251 recessed along the axial direction, a circular inner ring terminal 252 and a circular outer ring terminal 253 are coaxially arranged in the positioning groove 251, and the outer ring terminal 253 is arranged at an interval outside the inner ring terminal 252 for connecting with a positive-negative power supply.

As shown in fig. 5 and 6, the active contact head 3 includes a positioning ring 31 for being inserted into the positioning groove 251 to be fitted into the positioning groove 251, and the active contact head 3 is provided on the inner side of the positioning ring 31 with a first contact terminal 32 for being inserted into the inner side of the inner ring terminal 252 and being in contact with the inner ring terminal 252, and a second contact terminal 33 for being inserted between the outer ring terminal 253 and the inner ring terminal 252 and being in contact with the outer ring terminal 253. During plugging, the first contact terminal 32 and the second contact terminal 33 are positioned by the positioning ring 31 and the positioning groove 251, and during rotation, the first contact terminal and the second contact terminal are respectively kept in contact with the inner ring terminal 252 and the outer ring terminal 253, so that when the insertion rod 15 rotates relative to the active base 2 to fix the threaded connection between the insertion rod 15 and the active base 2, the active contact 3 is electrically connected with the electrical socket 25.

The plug-in structure of the electric socket 25 and the active contact 3 can refer to the rotary plug-in structure of an electric kettle and a split type power supply base.

Of course, the electrical socket 25 can also be used for connecting two positive and two negative power supplies, and the specific structure is as shown in fig. 9, wherein a plug core 254 is arranged in the middle of the inner ring terminal 252, a metal ring 255 is arranged on the inner wall of the positioning groove 251, and the outer ring terminal 253, the inner ring terminal 252, the plug core 254 and the metal ring 255 are respectively connected through four connection terminals 26. The corresponding active contacts 3 are provided with a third contact terminal 34 and a fourth contact terminal 35, respectively, in contact with the ferrule 254 and the metal ring 255.

The telescopic rod fastener 13 comprises an upper hoop 131 and a lower hoop 131 which are connected together, the lower hoop 131 is sleeved on the outer side of the outer rod 11, the upper hoop 131 is sleeved on the outer side of the inner rod 12, and a fastening screw 132 used for tightening the hoop 131 is arranged on the hoop 131. Wherein, staple bolt 131 under passes through fastening screw 132 to be fixed in the upper end of outer pole 11, when the length of telescopic link needs to be adjusted, loosens staple bolt 131 on interior pole 12, draws out and impresses interior pole 12 relative outer pole 11 to required length, thereby the rethread corresponding fastening screw 132 tighten up staple bolt 131 with interior pole 12 fix can.

As shown in fig. 8, when the application, through set up the jack 61 that supplies active base 2 to insert on bass box 6, set up the screw hole 62 corresponding with screw fixation hole 24 in the outside of jack 61, put into jack 61 with active base 2 after, pass screw fixation hole 24 and screw hole 62 threaded connection through the screw, fix active base 2 on bass box 6, and through connecting terminal 26 and bass box 6 electric connection, and telescopic link 1 inserts behind the active base 2, rotatory fixed with active base 2 threaded connection, connect on bass box 6 with the lower extreme of telescopic link 1 is firm, sound column 5 is then installed to the upper end, when need not use sound column 5, rotatory telescopic link 1 of tearing down can, and is simple and convenient to use, on-the-spot dismouting is convenient.

Claims (6)

1. The utility model provides an active connecting rod that is used for connecting scalable height between audio amplifier which characterized in that: including telescopic link (1) and active base (2), telescopic link (1) comprises outer pole (11) and interior pole (12) of tubulose structure, interior pole (12) insert in outer pole (11) and can pull out and impress outer pole (11) relatively, be equipped with between outer pole (11) and interior pole (12) and be used for the firm firmware (13) of telescopic link that the two is fixed mutually, the both ends of telescopic link (1) are equipped with active contact head (3) that are used for electric connection respectively, be equipped with in telescopic link (1) and be used for carrying out electric connection's cable (4) with active contact head (3) at both ends, active base (2) are used for carrying out electric connection with internal thread (23) threaded connection after telescopic link (1) insert sleeve pipe (21) from one end male sleeve pipe (21) including the lower extreme that can supply telescopic link (1), be fixed with flange (22) on the outside of the end of sleeve pipe (21), be equipped with internal thread (23) on the inboard, be equipped with on telescopic link (1) after telescopic External screw thread (14), be equipped with a plurality of screw fixation holes (24) that are used for supplying the screw to pass in order to install fixedly on flange (22), the inside of the other end of sleeve pipe (21) is equipped with can with the telescopic link (1) insert active contact head (3) on the end peg graft to can be relative active contact head (3) pivoted electrical socket (25) after pegging graft, just electrical connection is realized after pegging graft in active contact head (3) and electrical socket (25), and keeps electrical connection when the two takes place relative rotation, sleeve pipe (21) be located the outside of the one end of electrical socket (25) be equipped with electrical socket (25) electrical connection and be used for carrying out electrical connection's connecting terminal (26) with external equipment.

2. An active connection rod for connecting telescopic heights between sound boxes according to claim 1, wherein: the lower end of the outer rod (11) is in threaded connection with an insertion rod (15) used for being inserted into a sleeve (21), the sleeve (21) is matched with the insertion rod (15) and used for transversely positioning the insertion rod (15) from the circumferential direction, an active contact head (3) at the lower end of the telescopic rod (1) is arranged at the lower end of the insertion rod (15), and an external thread (14) is arranged on the outer side of the upper portion of the insertion rod (15).

3. An active connection rod for connecting telescopic heights between sound boxes according to claim 2, wherein: the outer diameter of the insertion rod (15) is equal to that of the inner rod (12), the active contact head (3) at the upper end of the telescopic rod (1) is arranged at the upper end of the inner rod (12), and when the inner rod (12) is connected with the active base (2) in an inserting mode, the active contact head (3) is connected with the electric socket (25) in an inserting mode and electrically connected.

4. An active connection rod for connecting telescopic heights between sound boxes according to claim 1, wherein: the electric socket (25) comprises a circular positioning groove (251) which is inwards concave along the axial direction, a circular inner ring terminal (252) and a circular outer ring terminal (253) which are coaxial are arranged in the positioning groove (251), and the outer ring terminal (253) is arranged on the outer side of the inner ring terminal (252) at intervals.

5. An active connection rod for connecting telescopic heights between sound boxes according to claim 4, wherein: the active contact head (3) comprises a positioning ring (31) which is inserted into the positioning groove (251) and matched with the positioning groove (251), a first contact terminal (32) which is inserted into the inner side of the inner ring terminal (252) and contacted with the inner ring terminal (252) and a second contact terminal (33) which is inserted between the outer ring terminal (253) and the inner ring terminal (252) and contacted with the outer ring terminal (253) are arranged on the active contact head (3) and positioned on the inner side of the positioning ring (31).

6. An active connection rod for connecting telescopic heights between sound boxes according to claim 1, wherein: the firm firmware of telescopic link (13) are including two staple bolts (131) that link together from top to bottom, and staple bolt (131) cover is in the outside of outer pole (11) down, and staple bolt (131) cover is in the outside of interior pole (12) on last, be equipped with fastening screw (132) that are used for tightening up staple bolt (131) on staple bolt (131).

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