CN102651830A - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN102651830A CN102651830A CN2012100484994A CN201210048499A CN102651830A CN 102651830 A CN102651830 A CN 102651830A CN 2012100484994 A CN2012100484994 A CN 2012100484994A CN 201210048499 A CN201210048499 A CN 201210048499A CN 102651830 A CN102651830 A CN 102651830A
- Authority
- CN
- China
- Prior art keywords
- main body
- loud speaker
- shank
- speaker main
- fastening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/026—Supports for loudspeaker casings
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/323—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only for loudspeakers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/02—Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups
- H04R2201/025—Transducer mountings or cabinet supports enabling variable orientation of transducer of cabinet
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
Abstract
To avoid or prevent dropping the loudspeaker, the speaker body and a supporting leg or stand are not separated even when the speaker body is unfastened from the leg on the occasion of adjusting an angle of the speaker body. The fixing portion includes a speaker body fitting portion at one end and a leg fitting portion at the other end. The speaker body fitting portion is captive in a hollow in the speaker body and allows changes to the relative angle of the speaker body to the leg by motion along a groove. The leg fitting portion is also captive. A fastening portion regulates movement of the speaker body by its being screw-fastened to the leg fitting portion. The captive nature of the two fitting portions retains the speaker body and the leg together even when the fastening portion is unscrewed.
Description
Technical field
The present invention relates to speaker unit.
Background technology
All the time, the known loud speaker that the position that can adjust loud speaker in order to form the sound space that the user likes and angle, height are arranged.For example; Developed through with dividing plate with respect to audio amplifier become angle arbitrarily change sound wave the radiation direction technology (for example; With reference to patent documentation 1) and under the state that makes at the block of the both ends of supporting member side configuration and the rear side butt of loud speaker installation portion through supporting member and loudspeaker unit is fastening fixing and freely set the technology (for example, with reference to patent documentation 2) of the height and position of supporting member through the number of plies of block with screw bolt and nut.In addition; Developed through height and position arbitrarily and (for example made the fastening and technology of infinitely setting the height of speaker cabinet of the screw of fixing speaker cabinet at pillar; With reference to patent documentation 3) and on column, fix the technology that falls (for example, with reference to patent documentation 4) that prevents because of the caused speaker cover such as vibration of vehicle through the support of fixed band being reeled and will support speaker cover on the column of vehicle etc.
In addition; Developed through use ball-and-socket joint supporting speaker unit about the direction of rotation of speaker unit with shake direction easily adjust play direction technology (for example; With reference to patent documentation 5) and through possessing angle-adjusting mechanism and adjust the technology of the setting angle of loud speaker (for example, with reference to patent documentation 6) will being fixed in part that joint on the loud speaker main body and the arm of installing according to the installation site of automobile or platform combine.In addition; Developed through making lift work come to make display part main body rotational motion and (for example as center of rotation with respect to pedestal the technology of the elevation angle inching of display part main body with connecting elements; With reference to patent documentation 7), through according to adjusting technology that pressing force that the loud speaker pressing member produced adjusts the direction of loud speaker through the operation that receives of the operation portion of bearing (for example for the loud speaker pressing member; With reference to patent documentation 8) and adjust the technology of the direction of loud speaker (for example, with reference to patent documentation 9) through screwing togather screw in the screwed hole on being arranged at base station.
The prior art document
Patent documentation
Patent documentation 1: real opening put down the 5-63193 communique;
Patent documentation 2: real opening put down the 2-145889 communique;
Patent documentation 3: the spy opens the 2005-236711 communique;
Patent documentation 4: the spy opens the 2005-79742 communique;
Patent documentation 5: real opening put down the 5-65191 communique;
Patent documentation 6: the spy opens flat 4-20098 communique;
Patent documentation 7: the spy opens the 2009-171459 communique;
Patent documentation 8: the spy opens the 2010-154180 communique;
Patent documentation 9: the spy opens the 2002-46538 communique;
Patent documentation 10: the spy opens the 2004-304736 communique;
Fig. 1 is the synoptic diagram from the structure of the existing speaker unit 100 of beneath.As shown in Figure 1, existing speaker unit 100 possesses: loud speaker main body 101; The shank 102 of supporting loud speaker main body 101; With the fixed part 106 that loud speaker main body 101 and shank 102 is fastening.Fixed part 103 has bolt 104, pad 105 and nut 106.The slot portion 107 that the head of bolt 104 is provided with through the bottom in loud speaker main body 101, the axial region of bolt 104 stretches out downwards from the bottom of loud speaker main body 101.At shank 102, be provided with and run through downwards from the top of this shank 102 and the insertable hole of the axial region portion 108 of bolt 104.Through the top of axial region portion 108 from the hole of bolt 104 is inserted; The below of portion 108 is installed in pad 105 and nut 106 axial region of bolt 104 across shank 102 and from the hole; Bolt 104 and nut 106 is fastening, thus loud speaker main body 101 and shank 102 is fastening.In this existing speaker unit 100; When the angle of adjustment loud speaker main body 101; The angle adjustment screw 109 of the bottom that is arranged on loud speaker main body 101 is unscrewed; Loud speaker main body 101 with bolt 104 be axle and in the fore-and-aft direction upper edge of this loud speaker main body 101 slot portion 107 slide, thereby loud speaker main body 101 is changed with respect to the relative angle of shank 102, can be with angle adjustment arbitrarily in predetermined scope of loud speaker main body 101.But this existing speaker unit 100 is when nut 106 is unscrewed, and nut 106 breaks away from from bolt 104 with pad 105, unloads loud speaker main body 101 and shank 102 easily.
Fig. 2 is the synoptic diagram that expression is installed in existing speaker unit 100 state of ceiling.Existing speaker unit 100 is being installed under the situation of ceiling, shank 102 is being provided with up, with loud speaker main body 101 below be provided with.When the angle of adjustment loud speaker main body 101; Through being unscrewed, angle adjustment screw shown in Figure 1 109 and nut 106 carry out; Therefore nut 106 comes off from bolt 104 with pad 105 sometimes; Loud speaker main body 101 comes off with shank 102, and loud speaker main body 101 might drop to ground etc. and loud speaker main body 101 is damaged.So existing speaker unit 100 adopts loud speaker main body 101 usefulness lines 110 are connected, with the mode that the front end of line 110 is fixed at ceiling with screw 111, even so that loud speaker main body 101 comes off with shank 102, loud speaker main body 101 can not come off yet.Under this situation, though occurrence frequency is little, when loud speaker main body 101 and shank 102 come off, the unstable situation that loud speaker main body 101 hangs down from ceiling because of line 110 might take place.
Summary of the invention
Therefore, in the present invention, even the speaker unit that loud speaker main body and shank also can not come off under the fastening lax situation of loud speaker main body and shank when its objective is the angle that is provided at adjustment loud speaker main body.
The present invention in order to address the above problem, and has studied the structure of the fixed part that loud speaker main body and shank is fixing.Like this, loud speaker main body and the adeciduate speaker unit of shank in the time of can being provided at the angle of adjusting the loud speaker main body.
Particularly, the speaker unit that the present invention relates to possesses: the loud speaker main body, and it has hole portion; The loud speaker maintaining part, it keeps said loud speaker main body; Shank, it engages with said hole portion, is arranged on said loud speaker maintaining part and supports this loud speaker main body; And fixed part; It fixes said loud speaker main body and said shank; Said fixed part has: loud speaker main body installation portion; It at one end is provided with and in said loud speaker main body, accommodates, and through in said loud speaker main body, relatively moving with this loud speaker main body this loud speaker main body is freely changed with respect to the relative angle of said shank; The shank installation portion, it is in other end setting and insert said hole portion; And fastening part; It moves in said loud speaker main body so that said loud speaker main body and said shank are fixed through limiting said loud speaker main body installation portion with said shank installation portion screw threads for fastening, said shank installation portion when removing the formed screw threads for fastening in said fastening part, limit said fixed part from said hole portion extract to limit separating of said loud speaker main body and said shank.
In the speaker unit that the present invention relates to, relatively move with this loud speaker main body in the loud speaker main body through loud speaker main body installation portion, thereby this loud speaker main body is changed freely with respect to the relative angle of shank.Relative angle comprises the angle of horizontal direction, the angle of vertical direction.For example, in the loud speaker main body hole is set, the axial region that makes fixed part under the situation that the diameter the earth that makes the loud speaker main part than axial region forms, makes loud speaker main body in the horizontal direction become angle adjustment freely through removing screw threads for fastening through this hole.In addition, the face that makes the leg side of loud speaker main body is a curved surface, along the curved pore-forming, with the above-mentioned situation that likewise forms loud speaker main body installation portion under, the loud speaker main body becomes angle adjustment freely in vertical direction.And loud speaker main body installation portion moving in the loud speaker main body limited by the fastening part.That is, through the screw threads for fastening of fastening part and shank installation portion, and limiting loudspeaker main body installation portion moves in the loud speaker main body, and its result fixes loud speaker main body and shank.Have again, in the speaker unit that the present invention relates to, when removing the formed screw threads for fastening in fastening part through the shank installation portion, thus the restriction fixed part from the hole portion extract separating of limiting loudspeaker main body and shank.That is, the speaker unit that the present invention relates to, when the loud speaker main body was changed with respect to the relative angle of shank, loud speaker main body installation portion was installed in the loud speaker main body, and the shank installation portion portion articulates in the hole, therefore can prevent separating of loud speaker main body and shank.Therefore, in the speaker unit that the present invention relates to, even be installed under the situation of ceiling; Also the loud speaker main body is connected with fixed part with shank; Therefore and the loud speaker main body can not fall from shank, can prevent that the loud speaker main body from dropping to ground etc. and damaged, and can prevent to meet the user.Have, the state of screw threads for fastening means the state that the fastening part is fixed in the shank installation portion again.On the other hand, the state of having removed screw threads for fastening is the state beyond the screw threads for fastening, except the state that the fastening part has been relaxed for shank installation portion fastening, also comprises the state that has left from the shank mounting portion fastening part.
Here; In the speaker unit that the present invention relates to, preferably, constitute below adopting; Said fastening part has the fastening slot part that around the side of this fastening part, is provided with and on the axial fastening direction as said fixed part, has preset width; Said fixed part also has restrictions, and its front end of this restrictions is accommodated at said fastening slot part, thereby when removing said screw threads for fastening, said fastening part is limited in the said preset width to the mobile of fastening direction.
In the speaker unit that the present invention relates to, the moving of the fastening part the during screw threads for fastening of restriction cancellation fastening part.That is, even make under the lax situation in fastening part, the preceding end in contact of the wall of fastening slot part and restrictions, thus the fastening part can further not relaxed.Its result can prevent separating of loud speaker main body and shank.
In addition, in the speaker unit that the present invention relates to, preferably; Constitute below adopting, said shank also has the hole of taking-up portion, and this taking-up hole portion and said hole portion are provided with continuously; And the diameter than said shank installation portion is big, and can this shank installation portion be taken out from said shank.
Take out hole portion and have the diameter bigger, therefore the shank installation portion is moved from the hole portion of continuous setting, thereby can the shank installation portion be taken out from shank than the diameter of shank installation portion.Particularly; The formed restriction of the portion that lifts restrictions; The front end of restrictions is retreated from fastening slot part; Remove the formed screw threads for fastening in fastening part again, and the fastening part is left from the shank mounting portion, portion slides into taking-up hole portion and the shank installation portion is unloaded from taking out hole portion from the hole to make the shank installation portion.In addition, loud speaker main body installation portion is at the state that is installed on the loud speaker main body.Its result, separable loud speaker main body and the shank that articulates for loud speaker main body installation portion of the speaker unit that the present invention relates to.Like this, the speaker unit that the present invention relates to can easily take off loud speaker main body and shank.Have again, under the situation that the loud speaker main body and the shank of separation are fixed, can carry out and above-mentioned opposite action.
In addition, the speaker unit that the present invention relates to possesses: the loud speaker main body; Shank, it supports said loud speaker main body; Fixed part, it fixes said loud speaker main body and said shank; And the joint portion, its remove said loud speaker main body that said fixed part carried out and said shank fixedly the time said loud speaker main body is connected with said shank.
The speaker unit that the present invention relates to possesses loud speaker main body, shank, fixed part and joint portion.The loud speaker main body is by leg part supporting, and fixes with shank through fixed part.In addition, even removing under the fixing situation of formed loud speaker main body of fixed part and shank since through the joint portion with loud speaker main body and shank combination, so loud speaker main body and shank can not break away from.Therefore, the speaker unit that the present invention relates to, therefore even be installed under the situation of ceiling, the loud speaker main body can not fall from shank yet, can prevent that the loud speaker main body from dropping to ground etc. and damaged, and can prevent to meet the user.
The invention effect
According to the present invention, even the speaker unit that loud speaker main body and shank also can not break away under the fastening lax situation of loud speaker main body and shank can be provided at the angle of adjustment loud speaker main body the time.
Description of drawings
Fig. 1 is a synoptic diagram of representing existing speaker unit from beneath.
Fig. 2 is the synoptic diagram that existing speaker unit is installed in ceiling.
Fig. 3 is the synoptic diagram of analysing and observe of the speaker unit that relates to of embodiments of the invention 1.
Fig. 4 is the enlarged drawing of a part of loud speaker main body slot part and the fixed part of the speaker unit that relates to of expression embodiments of the invention 1.
Fig. 5 is the synoptic diagram of analysing and observe around the fixed part of the speaker unit that relates to of embodiments of the invention 1.
Fig. 6 is the synoptic diagram of a part of the shank top of the speaker unit that relates to of expression embodiments of the invention 1.
Fig. 7 is an A-A cutaway view among Fig. 6.
Fig. 8 is a B-B cutaway view among Fig. 6.
Fig. 9 is the synoptic diagram of angle adjustment of the loud speaker main body of the speaker unit that relates to of expression embodiments of the invention 1.
Figure 10 is the loud speaker main body of expression speaker unit that embodiments of the invention 1 are related to and the synoptic diagram of the state that leg portion leaves.
Figure 11 is the synoptic diagram of order that expression is used for loud speaker main body and leg portion are left, that each parts is taken off.
Figure 12 be that expression is used for the loud speaker main body of separating is connected with shank, with the synoptic diagram of the order of each parts installation.
Figure 13 is the synoptic diagram of analysing and observe of the speaker unit that relates to of embodiments of the invention 2.
Figure 14 is the enlarged drawing around the fastening part of the speaker unit that relates to of embodiments of the invention 2.
Figure 15 is the synoptic diagram of the shank top of the speaker unit that relates to of expression embodiments of the invention 2.
Figure 16 is the synoptic diagram of analysing and observe of the speaker unit that relates to of embodiments of the invention 2.
Description of reference numerals:
1,10 speaker device 2,20 speaker body 21 speakers 22 hollow 23,230 speaker body groove 3,30 legs? ? 31,310 base portion 32,320 neck 33 projection 34,340 holes 35 out hole 36 restricting portion insertion hole restricting portion 37 38 slots 4,400 fixed portion 41,410 42,420 fixed portion mounting leg portion 43,430 fastening portion (connecting portion, stopper, the conclusion of the Ministry) 44 connecting grooves 500 junction
Embodiment
Here, according to accompanying drawing the speaker unit that embodiments of the invention relate to is described.Below shown in embodiment be illustration, be not to limit the present invention.
The speaker unit 1 that embodiments of the invention 1 relate to possesses: loud speaker main body 2; Shank 3; With fixed part 4.For each formation, be that the basis specifies with the accompanying drawing.In addition, the speaker unit 1 that relates to of embodiments of the invention 1 under the situation that does not have explanation in addition so that loud speaker main body 2 be positioned at above, the state setting of shank 3 below being positioned at.
Fig. 3 is the synoptic diagram of analysing and observe of the speaker unit 1 that relates to of embodiments of the invention 1.It is the place ahead of speaker unit 1 that Fig. 3 representes with the left side, be the structure that speaker unit 1 is observed on the rear ground of speaker unit 1 with the right side.Fig. 4 is the enlarged drawing of the part of the expression loud speaker main body slot part 23 and the fixed part 4 that are arranged on loud speaker main body 2.Fig. 5 be expression make the left side be positioned at speaker unit 1 the place ahead, make the right side be positioned at speaker unit 1 the rear state fixed part 4 down on every side analyse and observe synoptic diagram.As shown in Figure 3, dress loud speaker 2 and outward appearance form sphere-like substantially in the loud speaker main body 2.In addition, loud speaker 21 changes the signal of telecommunication into sound, omits for the structures in the loud speaker 21.Loud speaker main body 2 is fixed with shank 3 through fixed part 4, by shank 3 supportings, and by shank 3 maintenances.In addition, as shown in Figure 5, below the inside of loud speaker main body 2, hollow bulb 22 is set.Hollow bulb 22 is the loud speaker main body installation portions 41 of accommodating fixed part 4, and is axle and the space of the length that can on the fore-and-aft direction of loud speaker main body 2, slide with loud speaker main body installation portion 41.As shown in Figure 3, it is center and along the curved surface of the circular arc of the radius shown in the mark R that the bottom surface of hollow bulb 22 is formed with mark A.In addition, as shown in Figure 4, in the bottom surface of hollow bulb 22, the loud speaker main body slot part 23 of the groove that extends as the fore-and-aft direction along loud speaker main body 2 is set.Loud speaker main body slot part 23 is littler than the diameter Q of loud speaker main body installation portion 41 with respect to the width P of the left and right directions of loud speaker main body 2, and loud speaker main body installation portion 41 articulates on loud speaker main body slot part 23.
Fig. 6 is the synoptic diagram of the part of expression shank 3 tops.Fig. 7 is an A-A cutaway view among Fig. 6, is the synoptic diagram of analysing and observe of observing shank 3 from frontal.Fig. 8 is a B-B cutaway view among Fig. 6, is the synoptic diagram of analysing and observe of observing shank 3 from frontal.As shown in Figure 3, shank 3 is fixed with loud speaker main body 2 through fixed part 4, supporting loud speaker main body 2, and keep loud speaker main body 2.Shank 3 has base portion 31 and neck 32.The shape that base portion 31 is in the form of annular discs can stably keep loud speaker main body 2 through on smooth face such as bottom surface, being provided with.In addition, the speaker unit 1 that embodiments of the invention 1 relate to is through being installed in base portion 31 on the ceiling, thus can make shank 3 be positioned at above and make under the state of loud speaker main body 2 below being positioned at and use.Neck 32 is arranged to from the upper surface end of base portion 31 that the center position towards base portion 31 extends to the top, and is fixing with loud speaker main body 2 through fixed part 4, and supports this loud speaker main body 2.In addition, neck 32 is provided with cone shape projection 33 around being fixed by fixed part 4.The curved surface butt of projection 33 and loud speaker main body 2 belows, thereby supporting loud speaker main body 2.In addition, to shown in Figure 8,, be arranged on the hole portion 34 and taking-up hole portion 35 of running through on the vertical like Fig. 5 at neck 32.As shown in Figure 6, hole portion 34 takes out the lower side setting of hole portion 35 at neck 32 in the upper side setting of neck 32.In addition, like Fig. 5 and shown in Figure 6, hole portion 34 is connected with taking-up hole portion 35, and on the fore-and-aft direction of shank 3, has predetermined length.Have, as shown in Figure 7, hole portion 34 has the hole of different-diameter on the left and right directions of shank 3 up with the below again, and the hole portion 341 of top is littler than the diameter of shank installation portion 42, and the hole portion 342 of below is bigger than the diameter of the diameter of shank installation portion 42 and fastening part 43.Therefore, shank installation portion 42 can be kept the state ground that articulates with hole portion 34 and on the fore-and-aft direction of shank 3, slides.On the other hand, as shown in Figure 8, take out hole portion 35 has same diameter on the left and right directions of shank 3 up with the below hole, bigger and littler than the diameter of shank installation portion 42 than the diameter of fastening part 43.Take out hole portion 35 and be connected, make the shank installation portion 42 that portion 34 articulates in the hole slide into the hole portion 35 that takes out, shank installation portion 42 is stretched to the top, thereby can shank installation portion 42 be taken out from taking out hole portion 35 with hole portion 34.In addition, the hole portion 342 of below is made as the size that can fastening part 43 be inserted from the below.
Have, like Fig. 5 and shown in Figure 6, neck 32 has to taking out the restrictions patchhole 36 that hole portion 35 inserts restrictions 37 again.As shown in Figure 5, restrictions 37 is the screws with head 371 and axial region 372.Restrictions patchhole 36 is bigger than the diameter of axial region 372, and littler than the diameter of head 371.Therefore, axial region 372 inserts in the restrictions patchhole 36, and head 371 is articulated in the peristome of restrictions patchhole 36, becomes the structure that restrictions 37 can not further be inserted in restrictions patchhole 36.In addition, axial region 372 is the length that restrictions patchhole 36 is run through and reaches taking-up hole portion 35.Have again, be formed with groove 38 (with reference to Fig. 6) to the rear of neck 32, so that the user is easy to restrictions 37 is inserted in the restrictions patchholes 36 from the peristome of restrictions patchhole 36.
Fixed part 4 is fixing with shank 3 with loud speaker main body 2.As shown in Figure 5, fixed part 4 has: loud speaker main body installation portion 41; Shank installation portion 42; Fastening part 43; Fastening slot part 44 and restrictions 37.Loud speaker main body installation portion 41 links to each other (continuously) with shank installation portion 42 through axial region 46, and bigger than the diameter of axial region 46.Loud speaker main body installation portion 41 is installed on the loud speaker main body 2 through being articulated in the loud speaker main body slot part of being located on the loud speaker main body 2 23.In addition, loud speaker main body installation portion 41 can slide on the fore-and-aft direction of loud speaker main body 2 along loud speaker main body slot part 23 and move.In addition, the mask that contacts with the bottom surface of hollow bulb 22 of loud speaker main body installation portion 41 has the curved face part 47 that is formed by the curved surface with the curved surface same diameter of the bottom surface of hollow bulb 22.Its result, loud speaker main body installation portion 41 is easy to slide along loud speaker main body slot part 23.In addition, as shown in Figure 4, loud speaker main body installation portion 41 has line part 48 and curve part 49, is the shape that the part of circle is cut off.The diameter that the relative line part of loud speaker main body installation portion 41 48 is connected is slightly littler than the width of the Width of hollow bulb 22, and bigger than the width of the Width of loud speaker main body slot part 23.On the other hand, the diameter that the relative curve part of loud speaker main body installation portion 41 49 is connected is bigger than the width of the Width of hollow bulb 22.Its result; As shown in Figure 4; It is relative with the side of the glide direction of hollow bulb 22 that the line part 48 of loud speaker main body installation portion 41 is arranged to; Loud speaker main body installation portion 41 is under the situation of rotation under the state that articulates with loud speaker main body slot part 23, and therefore the side butt of loud speaker main body installation portion 41 and hollow bulb 22 can prevent the rotation of loud speaker main body installation portion 41.
Like Fig. 3 and shown in Figure 5, the hole portion 34 that shank installation portion 42 and shank 3 have articulates and is installed in shank 3.Shank installation portion 42 is connected with loud speaker main body installation portion 41 through axial region 46, and bigger than the diameter of axial region 46.In addition, shank installation portion 42 can portion 34 slide along the hole.Have, shank installation portion 42 stretches on loud speaker main body 2 directions of direction in the conduct through portion 34 slides into taking-up hole portion 35 from the hole again, thereby can take off from taking out hole portion 35.In addition, shank installation portion 42 passes through to insert from taking out hole portion 35, and slides into hole portion 34, thereby is articulated in hole portion 34.Have, shank installation portion 42 cuts out spiral helicine groove (not shown) at outer surface, plays the effect of pin thread again.
Fastening part 43 cuts out spiral helicine groove (not shown) at inner surface, with the groove engagement that forms at the outer surface of shank installation portion 42, thereby play the effect of negative thread.Like Fig. 3, Fig. 5 and shown in Figure 7, insert from the hole portion 342 of below fastening part 43, be screwed to the outstanding shank installation portion 42 in the below of hole portion 34, thus loud speaker main body 2 is fixing with shank 3.Through the screw threads for fastening of releasing fastening part 43 for shank installation portion 42, thereby and the fastening releasing of releasing loud speaker main body 2 and shank 3 is fixing.In addition, fastening part 43 is provided with fastening slot part 44 around these 43 sides, fastening part.The front end of the restrictions of inserting from restrictions patchhole 36 37 is housed in the fastening slot part 44, thereby when removing screw threads for fastening, can be in fastening direction mobile be limited in the width of binding groove 44 with fastening part 43.Its result can prevent fastening part 43 necessary above relaxings (loosening).Have again, fastening slot part 44 ground can be set make the restrictions 37 and the contacts side surfaces of fastening part 43 limit lax.
The speaker unit 1 that embodiments of the invention 1 relate to is even removing under the situation of fastening part 43 for the screw threads for fastening of shank installation portion 42, also can remain on shank 3 with fastening part 43.In addition; The speaker unit 1 that embodiments of the invention 1 relate to from removed fastening part 43 for the state of the screw threads for fastening of shank installation portion 42 once more with fastening part 43 during for shank installation portion 42 screw threads for fastening; Because fastening part 43 remains in shank 3, so easy operating.Have, the speaker unit 1 that embodiments of the invention 1 relate to is being installed under the state of ceiling again; Even removing under the situation of fastening part 43 for the screw threads for fastening of shank installation portion 42; Can fastening part 43 be remained on shank 3, so fastening part 43 can not fall easy operating yet.In addition, with fastening part 43 when shank 3 take out, restrictions 37 taken out from restrictions patchhole 36, thereby can take out from the hole portion 342 of below.
Secondly, the angle adjusting method of the speaker unit 1 that embodiments of the invention 1 relate to is described.Fig. 9 is the synoptic diagram of the angle adjustment of expression loud speaker main body 2.As shown in Figure 3, the speaker unit 1 that embodiments of the invention 1 relate to is fixing with shank 3 with loud speaker main body 2 through fixed part 4, and loud speaker main body 2 is fixed with respect to the relative angle of shank 3.When the angle of adjustment loud speaker main body 2; At first; Through with to the direction in the opposite direction of shank installation portion 42 screw threads for fastening on rotation fastening part 43, and remove fastening part 43 fastening for shank installation portion 42, thereby remove the fixing of loud speaker main body 2 and shank 3.At this moment, fastening part 43 is embedded in the fastening slot part 44 through the restrictions of inserting from restrictions patchhole 36 37, and is kept by shank 3.Secondly, loud speaker main body 2 is an axle and loud speaker main body slot part 23 slides in the fore-and-aft direction upper edge of loud speaker main body 2 with loud speaker main body installation portion 41, thereby the relative angle with respect to shank 3 is changed.Fig. 9 be expression loud speaker main body 2 with loud speaker main body installation portion 41 be axle and along loud speaker main body slot part 23 upwards sliding towards the rear of loud speaker main body 2 the synoptic diagram of situation.Loud speaker main body 2 is upwards slided this loud speaker main body 2 towards the rear, and promptly loud speaker main body installation portion 41 is forwards upwards the sliding of loud speaker main body slot part 23, thereby as shown in Figure 9, with angle [alpha] towards oblique lower direction.On the other hand; Loud speaker main body 2 serves as axle forwards sliding to upper edge loud speaker main body slot part 23 in loud speaker main body 2 with loud speaker main body installation portion 41; Be loud speaker main body installation portion 41 to loud speaker main body slot part 23 towards the rear to moving, thereby loud speaker main body 2 is towards the top (not shown).After making loud speaker main body 2 and predetermined angular aligns, remain on fastening part 43 on the shank 3 with respect to shank installation portion 42 screw threads for fastening through making, and loud speaker main body 2 is fixed with respect to the relative angle of shank 3 by restrictions 37.
During the angle adjustment of the speaker unit 1 that these a series of embodiments of the invention 1 relate to; Loud speaker main body installation portion 41 articulates on the loud speaker main body slot part 23 that is arranged on the loud speaker main body 2, keeps the state that shank installation portion 42 articulates in the hole portion 34 that is arranged at shank 3.Therefore, the speaker unit 1 that embodiments of the invention 1 relate to, under the fastening lax situation of loud speaker main body 2 and shank 3, loud speaker main body 2 can not break away from shank 3 yet, can prevent falling of loud speaker main body 2 when the angle of adjustment loud speaker main body 2.Have again, the speaker unit 1 that embodiments of the invention 1 relate to, therefore even be installed under the situation of ceiling, loud speaker main body 2 can not drop from shank 3 yet, can prevent that loud speaker main body 2 from dropping to ground etc. and damaged, and can prevent to meet the user.
Secondly, the method for taking off to loud speaker main body 2 and shank 3 describes.The synoptic diagram of Figure 10 to be expression separated loud speaker main body 2 with shank 3 state.The synoptic diagram of the order that Figure 11 is that expression is used for is 3 that separate with loud speaker main body 2 and shank, each parts is taken off.The speaker unit 1 that embodiments of the invention 1 relate to is states that loud speaker main body 2 is connected with shank 3 usefulness fixed parts 4 when the angle of adjustment loud speaker main body 2 as above-mentioned.But, because the repairing of loud speaker main body 2 etc., want situation that loud speaker main body 2 is separated with shank 3 and exist.Under this situation, shown in figure 11, the first, the restrictions 37 of the fastening slot part 44 that is embedded in fastening part 43 is taken out from restrictions patchhole 36, remove the state that fastening part 43 is kept by shank 3.The second, fastening part 43 through with the in the opposite direction direction fastening to shank installation portion 42 on rotation and breaking away from from shank installation portion 42, take out to the outside of shank 3 from the hole portion 342 of below.The 3rd, portion 34 slides into taking-up hole portion 35 to shank installation portion 42 from the hole, and on the loud speaker main direction, is stretched, thereby breaks away from from shank 3.Like this, the speaker unit 1 that relates to of embodiments of the invention 1 can easily separate the loud speaker main body 2 that loud speaker main body installation portion 41 is articulated with shank 3.
Secondly, the loud speaker main body 2 of separation and the installation method of shank 3 are described.That Figure 12 is that expression is used for is 3 that be connected with the loud speaker main body 1 of separating and shank, with the synoptic diagram of the order of each parts installation.Shown in figure 12, the first, the speaker unit 1 that embodiments of the invention 1 relate to inserts shank installation portion 42 from taking out hole portion 35, and slides into hole portion 34.The second, the hole portion 342 from the below inserts with fastening part 43, and fastening part 43 is screwed to shank installation portion 42.The 3rd, restrictions 37 is inserted from restrictions patchhole 36, and be entrenched in the fastening slot part 44 of fastening part 43.Its result, fastening part 43 is kept by shank 3.In addition; Also can be before shank installation portion 42 slides into hole portion 34; When inserting, hole portion 35 removes screw threads for fastening (fastening part 43 loosely screws togather for shank installation portion 42) at shank installation portion 42 from taking out; Slide into hole portion 34 then, and then carry out screw threads for fastening (the 43 pairs of shank installation portions 42 in fastening part securely screw togather).Like this, the speaker unit 1 that relates to of embodiments of the invention 1 can easily be installed loud speaker main body 2 and shank 3.
The speaker unit 10 that embodiments of the invention 2 are related to describes.The speaker unit 10 that embodiments of the invention 2 relate to possesses: loud speaker main body 20; Shank 30; Fixed part 40 and joint portion 500.For each formation, be that the basis specifies with the accompanying drawing.In addition, the speaker unit 10 that relates to of embodiments of the invention 2 under the situation that does not have explanation in addition so that loud speaker main body 20 be positioned at above, the state setting of shank 30 below being positioned at.In addition, for omitting explanation, and be that the center describes with the difference with the same formation of embodiment 1.
Figure 13 is the synoptic diagram of analysing and observe of the speaker unit 10 that relates to of embodiments of the invention 2.Figure 14 is the enlarged drawing around the connecting portion 500 of the speaker unit 10 that relates to of embodiments of the invention 2.Figure 13 and Figure 14 represent that the left side is the structure of speaker unit 10 of the rear ground observation of speaker unit 10 for the place ahead of speaker unit 10, right side.Figure 15 is the synoptic diagram of shank 30 tops of the speaker unit 10 that relates to of expression embodiments of the invention 2.Shown in figure 13, loud speaker main body 20 is the identical formations of the loud speaker main body 2 of the speaker unit 1 that relates to embodiment 1, therefore omits explanation.Shank 30 supporting loud speaker main bodys 20, and keep loud speaker main body 20.Shank 30 has base portion 310 and neck 320.Like Figure 13 and shown in Figure 14, shank 30 is arranged on the hole portion 340 of running through on the vertical in loud speaker main body 20 sides of neck 320.Hole portion 340 has up the hole with the below different-diameter, and the hole portion 341 of top is the size that can insert the shank installation portion 420 of fixed part 40, and littler than fastening part 430.The hole portion 342 of below is the size that can insert fastening part 430.Have, shank 30 has the joint portion installation slot part 390 that joint portion 500 is installed and on left and right directions, runs through so that the joint portion installing hole portion 391 of slot part 390 to be installed through this joint portion above neck 320 again.
Fixed part 40 is fixing with shank 30 with loud speaker main body 20.Like Figure 13 and shown in Figure 14, fixed part 40 has: loud speaker main body installation portion 410; Shank installation portion 420 and fastening part 430.Loud speaker main body installation portion 410 is bigger than the diameter of shank installation portion 420.Loud speaker main body installation portion 410 is through articulating and be installed on the loud speaker main body 20 being located at loud speaker main body slot part 230 on the loud speaker main body 20.In addition, loud speaker main body installation portion 410 can slide on the fore-and-aft direction of loud speaker main body 20 along loud speaker main body slot part 230.In addition, between the bottom surface of loud speaker main body installation portion 410 and hollow bulb 220, has joint portion 500.Shank installation portion 420 links to each other with loud speaker main body installation portion 410, in the hole portion 340 that insertion shank 30 has, stretches out from these hole portion 340 belows.Have, shank installation portion 420 cuts out spiral helicine groove (not shown) at outer surface, plays the effect of pin thread again.Fastening part 430 cuts out spiral helicine groove (not shown) at inner surface, with the groove engagement that forms at the outer surface of shank installation portion 420, thereby play the effect of negative thread.Insert the below of fastening part 430 portion 340 from the hole, for shank installation portion 420 screw threads for fastening of giving prominence to the below of hole portion 340, thus loud speaker main body 20 is fixing with shank 30.Through the screw threads for fastening of releasing fastening part 430, and remove the fastening of loud speaker main body 20 and shank 30, and remove fixing for shank installation portion 420.
Joint portion 500 is connected loud speaker main body 20 with shank 30.Joint portion 500 has: loud speaker main body side joint portion 501; Leg side joint portion 502; The axial region 503 that loud speaker main body side joint portion 501 is connected with leg side joint portion 502; With the hold-down screw that is fixed on shank 30 504.Loud speaker main body side joint portion 501 is set in installation between the bottom surface of the hollow bulb 220 of loud speaker main body installation portion 410 that is mounted on loud speaker main body slot part 230 and loud speaker main body 20 and below with loud speaker main body installation portion 410 and is surrounded.Its result, loud speaker main body side joint portion 501 is articulated in loud speaker main body slot part 230, can not break away from from loud speaker main body 20.In addition, the mask that contacts with the bottom surface of hollow bulb 220 of loud speaker main body side joint portion 501 has the curved face part 505 that is formed by the curved surface with the curved surface same diameter of the bottom surface of hollow bulb 220.Its result, loud speaker main body installation portion 410 is easy to slide along loud speaker main body slot part 230.Leg side joint portion 502 is entrenched in the joint portion of shank 30 slot part 390 (with reference to Figure 15) is installed.In addition, hold-down screw patchhole 506 is arranged at the center of leg side joint portion 502.Hold-down screw 504 passes through joint portion installing hole portion 391 and hold-down screw patchhole 506, thereby leg side joint portion 502 is fixed on shank 30.Have, loud speaker main body side joint portion 501 is by the fixing leg side joint portions 502 of hold-down screw 504 to be axle and can free movement on the axle direction of rotation again.In addition, through unloading hold-down screw 504, can easily remove the fixing of leg side joint portion 502 and shank 30.In addition, the speaker unit 10 that embodiments of the invention 2 relate to can be designed to, and loud speaker main body side joint portion 501 is provided with outside hollow bulb 220, and loud speaker main body side joint portion 501 can not break away from loud speaker main body 20.
Secondly, the angle adjusting method of the speaker unit 10 that embodiments of the invention 2 relate to is described.Shown in figure 13, the speaker unit 10 that embodiments of the invention 2 relate to is fixing with shank 30 with loud speaker main body 20 through fixed part 40, and loud speaker main body 20 is fixed with respect to the relative angle of shank 30.When the angle of adjustment loud speaker main body 20; At first; Through with to the direction in the opposite direction of shank installation portion 420 screw threads for fastening on rotation fastening part 430, and remove fastening part 430 fastening for shank installation portion 420, thereby remove the fixing of loud speaker main body 20 and shank 30.Secondly, loud speaker main body 20 is an axle and loud speaker main body slot part 230 slides in the fore-and-aft direction upper edge of loud speaker main body 20 with loud speaker main body installation portion 410 and loud speaker main body side joint portion 501, thereby the relative angle with respect to shank 30 is changed.After making loud speaker main body 20 and predetermined angular aligns, through making fastening part 430, and loud speaker main body 20 is fixed with respect to the relative angle of shank 30 with respect to shank installation portion 420 screw threads for fastening.
During the angle adjustment of the speaker unit 10 that these a series of embodiments of the invention 2 relate to; Loud speaker main body side joint portion 501 articulates on loud speaker main body slot part 230; Loud speaker main body side joint portion 501 is installed in shank 30, so loud speaker main body 20 combines through joint portion 500 with shank 30.Therefore; The speaker unit 10 that embodiments of the invention 2 relate to; Under the situation of the fastening lax or releasing of loud speaker main body 20 and shank 30, loud speaker main body 20 can not break away from shank 30 yet, can prevent falling of loud speaker main body 20 when the angle of adjustment loud speaker main body.Have again, the speaker unit 10 that embodiments of the invention 2 relate to, therefore even be installed under the situation of ceiling, loud speaker main body 20 can not drop from shank 30 yet, can prevent that loud speaker main body 20 from dropping to ground etc. and damaged, and can prevent to meet the user.
Secondly, the method for taking off to loud speaker main body 20 and shank 30 describes.Figure 16 is that expression is with the synoptic diagram of fastening part 430 for the state of the fastening releasing of shank installation portion 420.The speaker unit 10 that embodiments of the invention 2 relate to is states that loud speaker main body 20 is connected with shank 30 usefulness joint portions 500 when the angle of adjustment loud speaker main body 20 as above-mentioned.But, because the repairing of loud speaker main body 20 etc., want situation that loud speaker main body 20 is separated with shank 30 and exist.Under this situation, like Figure 14 to shown in Figure 16, the first, with hold-down screw 504 from the joint portion installing hole portion 391 unload with hold-down screw patchhole 506.The second, through fastening part 430 with the in the opposite direction direction fastening to shank installation portion 420 on rotation removes the fastening of fastening part 430 and shank installation portion 420, from the hole portion 342 of below to the taking-up of the outside of shank 30.In addition, first and second steps also can be put upside down.The 3rd, loud speaker main body 20 is lifted to the top, the hole portion 340 from shank 30 takes out with shank installation portion 420, and fixed part 40 is unloaded from shank 30.Its result, the speaker unit 10 that embodiments of the invention 2 relate to can easily separate the loud speaker main body 20 that fixed part 40 and joint portion 500 are articulated with shank 30.
Secondly, the loud speaker main body 20 of separation and the installation method of shank 30 are described.The first, the hole portion 340 that the speaker unit 10 that embodiments of the invention 2 relate to inserts shank 30 with shank installation portion 420.The second, in the joint portion of shank 30 slot part 390 is installed, insert the leg side joint portion 502 of joint portion 500, with hold-down screw 504 insertion joint portion installing hole portions 391 and hold-down screw patchhole 506.The 3rd, screw threads for fastening is carried out in fastening part 430 on the direction fastening to shank installation portion 420, thus loud speaker main body 20 is fixing with shank 30.At this moment, loud speaker main body side joint portion 501 is arranged to the below of loud speaker main body installation portion 410 is surrounded, can be in free movement in hollow bulb 220 on the axle direction of rotation as axle to use hold-down screw 504 fixing leg side joint portions 502.Its result, loud speaker main body installation portion 410 can not touched in hollow bulb 220, and joint portion 500 is easy to shank installation portion 420 is carried out screw threads for fastening.Like this, the speaker unit 10 that relates to of embodiments of the invention 2 can easily be installed loud speaker main body 20 and shank 30.
Claims (4)
1. speaker unit possesses:
The loud speaker main body, it has hole portion;
The loud speaker maintaining part, it keeps said loud speaker main body;
Shank, it engages with said hole portion, is arranged on said loud speaker maintaining part and supports this loud speaker main body; With
Fixed part, it fixes said loud speaker main body and said shank,
Said fixed part has:
Loud speaker main body installation portion, it is provided with at one end and is housed in the said loud speaker main body, and through in said loud speaker main body, relatively moving with this loud speaker main body this loud speaker main body is freely changed with respect to the relative angle of said shank;
The shank installation portion, it is arranged on the other end and is inserted in the portion of said hole; With
The fastening part, said loud speaker main body installation portion is mobile in said loud speaker main body fixes said loud speaker main body and said shank thereby it is through limiting with said shank installation portion screw threads for fastening,
Thereby said shank installation portion when having removed, limit by the formed screw threads for fastening in said fastening part said fixed part from said hole portion extract and limit separating of said loud speaker main body and said shank.
2. speaker unit according to claim 1, wherein,
Said fastening part have the side that is arranged on this fastening part around and on axial fastening direction, have a fastening slot part of preset width as said fixed part,
Said fixed part also has restrictions, and this restrictions is housed in said fastening slot part through its front end, thereby when having removed said screw threads for fastening, said fastening part is limited in the said preset width to the mobile of fastening direction.
3. speaker unit according to claim 1, wherein,
Said shank also has the hole portion that takes out, and this taking-ups hole portion and said hole portion are provided with continuously, and bigger than the diameter of said shank installation portion, and ability taken out this shank installation portion from said shank.
4. speaker unit possesses:
The loud speaker main body;
Shank, it supports said loud speaker main body;
Fixed part, it fixes said loud speaker main body and said shank; With
The joint portion, its removed the said loud speaker main body of being undertaken and said shank by said fixed part fixedly the time said loud speaker main body is connected with said shank.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP042025/2011 | 2011-02-28 | ||
| JP2011042025A JP5688994B2 (en) | 2011-02-28 | 2011-02-28 | Speaker device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102651830A true CN102651830A (en) | 2012-08-29 |
| CN102651830B CN102651830B (en) | 2014-09-24 |
Family
ID=45991761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210048499.4A Active CN102651830B (en) | 2011-02-28 | 2012-02-28 | Loudspeaker |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5688994B2 (en) |
| CN (1) | CN102651830B (en) |
| GB (1) | GB2488442B8 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106937214A (en) * | 2017-03-30 | 2017-07-07 | 歌尔丹拿音响有限公司 | Speaker unit |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1575033A (en) * | 2003-06-21 | 2005-02-02 | Kh技术公司 | Loudspeaker assembly |
| WO2010073787A1 (en) * | 2008-12-25 | 2010-07-01 | 富士通テン株式会社 | Speaker device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3602257B2 (en) * | 1996-04-18 | 2004-12-15 | ティーオーエー株式会社 | Cabinet fixture |
| GB2433671B (en) * | 2003-06-09 | 2008-01-09 | Fujitsu Ten Ltd | Speaker Structure |
| JP5219525B2 (en) * | 2008-01-18 | 2013-06-26 | 富士通テン株式会社 | Speaker device |
| JP4979778B2 (en) * | 2010-01-25 | 2012-07-18 | パナソニック株式会社 | Fall prevention device |
-
2011
- 2011-02-28 JP JP2011042025A patent/JP5688994B2/en active Active
-
2012
- 2012-02-27 GB GB201203331A patent/GB2488442B8/en active Active
- 2012-02-28 CN CN201210048499.4A patent/CN102651830B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1575033A (en) * | 2003-06-21 | 2005-02-02 | Kh技术公司 | Loudspeaker assembly |
| WO2010073787A1 (en) * | 2008-12-25 | 2010-07-01 | 富士通テン株式会社 | Speaker device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106937214A (en) * | 2017-03-30 | 2017-07-07 | 歌尔丹拿音响有限公司 | Speaker unit |
| CN106937214B (en) * | 2017-03-30 | 2023-12-26 | 潍坊歌尔丹拿电子科技有限公司 | speaker device |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2488442B8 (en) | 2013-09-18 |
| CN102651830B (en) | 2014-09-24 |
| JP2012182513A (en) | 2012-09-20 |
| GB2488442A (en) | 2012-08-29 |
| GB2488442B (en) | 2013-06-26 |
| JP5688994B2 (en) | 2015-03-25 |
| GB201203331D0 (en) | 2012-04-11 |
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