CN208849974U

CN208849974U - Microphone holder is used in a kind of performance

Info

Publication number: CN208849974U
Application number: CN201821864159.8U
Authority: CN
Inventors: 谢小兰
Original assignee: Hengyang Normal University
Current assignee: Hengyang Normal University
Priority date: 2018-11-13
Filing date: 2018-11-13
Publication date: 2019-05-10
Anticipated expiration: 2028-11-13

Abstract

The utility model discloses a kind of performance microphone holder, including pedestal, the elevating lever being mounted on the base and the cross bar for placing microphone；It is characterized in that, elevating lever includes having the main rod body of circular inner hole and being inserted into the intracorporal telescopic rod of mobile jib, cross bar is mounted on the upper end of telescopic rod by attachment base；The lower end of telescopic rod is rotationally socketed with expansion sleeve, and the outer diameter of expansion sleeve and the diameter of bore of main rod body are consistent, and expansion sleeve is slidably engaged by axially disposed guide frame with main rod body and connect；The lower end of expansion sleeve is the bulge for being evenly equipped with multiple radial slots, and internal via shape of the bulge close to lower end is the rotational symmetry figure being made of curve, and the radial dimension of the inner hole circumferentially smooth change；The lower end of telescopic rod has the swollen crowded portion consistent with the size and shape of lower end inner hole of bulge.The advantages that the utility model has clever structure, easy for operation, only need to slightly screw i.e. lockable support height, easy to adjust.

Description

Microphone holder is used in a kind of performance

Technical field

The utility model relates to stage equipment technical fields, in particular to a kind of performance microphone holder.

Background technique

Microphone holder generally includes to be connected to the outer tube on pedestal, and grafting inner tube in outer tube, microphone clamp is mounted on The top of inner tube, people are adjustable in order to make the placing height of microphone, therefore set the inner tube of microphone holder to It can be freely lifted, and realize that the device of the elevating function includes a connector being mounted at the top of outer tube, have on connector outer Screw thread and locking pawl, connector are corresponding with a locking swivel nut, and inner tube is plugged in the pore of outer tube, by locking swivel nut along outer Screw thread is screwed into down, and locking swivel nut is downward, inwardly squeezes locking pawl and locks inner tube.Although inner tube may be implemented in the structure Height adjustment locking, still, the structure need by locking swivel nut constantly rotate and inner tube could be locked, it is inconvenient to use.

Utility model content

In view of the above shortcomings of the prior art, the technical problem to be solved by the utility model is to how to provide a kind of knot Structure is ingenious in design, easy for operation, only need to slightly screw i.e. lockable support height, performance easy to adjust microphone branch Frame.

In order to solve the above-mentioned technical problem, the utility model uses the following technical solution:

A kind of sing uses microphone holder, including pedestal, the elevating lever being mounted on the base and the cross bar for placing microphone； It is characterized in that, the elevating lever includes having the main rod body of circular inner hole and being inserted into the intracorporal telescopic rod of the mobile jib, institute State the upper end that cross bar is mounted on the telescopic rod by attachment base；The lower end of the telescopic rod is rotationally socketed with expansion sleeve, The outer diameter of the expansion sleeve is consistent with the diameter of bore of the main rod body, and the expansion sleeve is with the main rod body by setting along axial direction The guide frame set slidably engages connection；The lower end of the expansion sleeve is the bulge for being evenly equipped with multiple radial slots, institute Stating internal via shape of the bulge close to lower end is the rotational symmetry figure being made of curve, and the radial dimension of the inner hole is along week To smooth change；The lower end of the telescopic rod has consistent with the size and shape of lower end inner hole of the bulge swollen The portion of squeezing.

Using the above structure, company is slidably engaged by axially disposed guide frame due to expansion sleeve and main rod body It connects, so that expansion sleeve can only be axially moveable in main rod body.Meanwhile being rotatably socketed in expansion sleeve on telescopic rod, make Telescopic rod can relative expansion set rotation, and the inner hole of the swollen crowded portion of telescopic rod and expansion sleeve lower end is equal for shape and size Consistent rotational symmetry figure, and radial dimension circumferentially smooth change, in this way, swollen crowded portion rotates slightly with telescopic rod, so that it may So that the relatively large position of radial dimension and the relatively small portion of radial dimension on the inner hole of expansion sleeve lower end in swollen crowded portion Split-phase is corresponding, to make it along notch distending and in main rod body internal locking outwardly against the bulge of expansion sleeve.Above structure is set Count it is ingenious, using the lower end inner hole of bulge and the radial dimension of smooth change in swollen crowded portion, the matching relationship both changed, I.e. lockable support height only need to be slightly screwed, is adjusted more convenient.

Further, the telescopic rod includes diameter long rod segment consistent with the diameter of bore of the main rod body and lower end diameter Lesser expansion arc；The length of the expansion arc is consistent with the length of the expansion sleeve, and the expansion sleeve be sleeved on it is described swollen On swollen section；It further include rounded baffle, the diameter of the baffle is consistent with the diameter of bore of the main rod body, the baffle position In the lower section of the expansion sleeve, and the lower end for being mounted on the telescopic rod by connecting bolt.

Since the diameter of the diameter of long rod segment, baffle is consistent with the diameter of bore of main rod body with the outer diameter of expansion sleeve, and The length of expansion arc and the length of expansion sleeve are consistent, and baffle is located at the lower section of expansion sleeve, and expansion sleeve is limited on expansion arc, When so that telescopic rod being axially moveable, expansion sleeve moves together with telescopic rod always, convenient for telescopic rod can any position lock It fastens.

Further, the bottom in the swollen crowded portion has coaxial arrangement and is in the recessed portion of polygon, the baffle direction The side of the telescopic rod has the lug boss that is correspondingly arranged with the recessed portion, the end surface shape and size of the lug boss with The end surface shape and size uniformity of the recessed portion cause, and the raised portion fits of the baffle are in the recessed portion of the telescopic rod.

Since the end surface shape and size of baffle lug boss and the end surface shape of the recessed portion and size uniformity cause, and keep off The raised portion fits of plate in the recessed portion of telescopic rod, and recessed portion be in polygonized structure so that telescopic rod rotate when, baffle with Telescopic rod rotates together, so as to avoid making bolt looseness due to baffle and telescopic rod relatively rotate, is conducive to improve baffle The stability of installation.

Further, internal via shape of the bulge close to lower end is oval, and the major semiaxis of the ellipse Length is 1~2mm bigger than the length of semi-minor axis.

In this way, the long axis in swollen crowded portion is rotated to bulge during the short-axis direction of the inner hole of lower end, by It is 1~2mm bigger than the length of semi-minor axis in the length of the major semiaxis of the ellipse, the bulge diameter of expansion sleeve is increased 0~4mm, it is sufficient to so that expansion sleeve is tightly locked in the inner hole of main rod body, realize any position locking of telescopic rod.

Further, the upper end of the expansion sleeve has the locating slot of several circumferentially wavy arrangements, described fixed The depth of position slot is less than the height of the lug boss of the baffle；The lower end of the long rod segment axially protrude be provided with it is described fixed The corresponding locating piece of position slot, the long axis direction of inner hole of the long axis in the swollen crowded portion with the bulge close to lower end are consistent When, the locating piece is caught in one of them described locating slot；Bullet is additionally provided between the lower end and connection bolt of the baffle Spring.

Since spring is arranged between the lower end of baffle and connection bolt, so that telescopic rod relative expansion covers rotation process In, it will be able to using the compression of spring in the axial direction, locating piece is enable to slide into another positioning along wavy locating slot In slot, swollen crowded portion is locked in the different direction in bulge.Again since the depth of locating slot is less than the lug boss height of baffle Degree, it is ensured that lug boss is always positioned in recessed portion, and telescopic rod rotates synchronously always with baffle, avoids connection bolt looseness.

Further, the expansion sleeve uses plastics integrated injection molding, the bulge and position including being located at lower end Guide part in upper end, the guide frame include the guide groove being axially arranged on the inner hole wall of the main rod body, and prominent Guide pad on the outer wall of the guide part is set out, and the guide pad of the guide part is slidably fit into the main rod body Guide groove in.

Further, the outer diameter of the guide part is consistent with the diameter of bore of the main rod body, the outer diameter of the bulge Less than the outer diameter of the guide part, and the outer surface of the bulge is equipped with one layer of rubber, and the outer diameter of rubber layer with it is described The outer diameter of guide part is consistent.

By the way that one layer of rubber is arranged on the outer surface of bulge, can both increase after expansion sleeve swell with main rod body internal control Between frictional force, and itself compression performance can be utilized during swell, improve the smoothness of rotation.

Further, the attachment base includes the ball cup and crossbar mount for being mounted on the telescopic rod upper end, the cross bar There is the clip slot for clamping the cross bar, the cross bar is movably clamped in the clip slot on seat；Also have in the crossbar mount Have along the cylinder being provided projectingly perpendicular to the clip slot direction, there is diameter to be greater than the column diameter for the end of the cylinder Sphere；The depth of the ball-and-socket that there is internal diameter and the sphere diameter to match at the top of the ball cup, the ball-and-socket is greater than it Radius；The sphere of the crossbar mount, which is rotationally locked, to be a tight fit in the ball-and-socket of the ball cup.

In this way, can cooperate by the rotatable locking between sphere and ball-and-socket, cross bar was pulled with both having can be convenient, adjusted Cross bar angle is saved, and can use locking cooperation between the two, cross bar is rested in any angle, makes convenient for singer With.

Further, there is the tight lock part of the radially projecting setting along the main rod body, and along perpendicular on the ball cup To the notch for dividing the tight lock part setting equally, the notch connects with the ball-and-socket, and the gap of incision is 2~3mm；Institute The bolt hole having on tight lock part along perpendicular to notch plane perforation setting is stated, and clamping screw is installed.

In this way, can be both packed into ball-and-socket convenient for sphere, and clamping screw can be passed through by the gap of expansion incision The gap for squeezing incision, further reduces ball-and-socket, to increase the clamping force between ball-and-socket and sphere, convenient for fixed transverse rod Angle.

Further, the depth of the ball-and-socket is 2~3mm bigger than the radius of the sphere.

In this way, can both guarantee that the half of sphere can be contained in ball-and-socket, sphere is avoided to fall off out of ball-and-socket, the company of raising Connect reliability.Ball-and-socket slight enlargement can be filled in sphere in ball-and-socket again, it is easier for installation.

In conclusion the utility model has clever structure, and it is easy for operation, it only need to slightly screw i.e. lockable bracket Highly, the advantages that easy to adjust.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model embodiment.

Fig. 2 is the enlarged structure schematic diagram of part A in Fig. 1.

Fig. 3 is the section structure diagram of expansion sleeve and swollen crowded portion in Fig. 2.

Fig. 4 is the enlarged structure schematic diagram of part B in Fig. 1.

Fig. 5 is the structural schematic diagram of base portion.

Fig. 6 is the bottom substance schematic diagram of main rod body.

Fig. 7 is the structural schematic diagram of the one of part of bulge of another structure.

Fig. 8 is the structural schematic diagram between the positioning groove and positioning block of wavy arrangement.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawing.

When specific implementation: as shown in Fig. 1~Fig. 6, a kind of sing uses microphone holder, including pedestal 1, is mounted on pedestal 1 Elevating lever 2 and cross bar 3 for placing microphone；The elevating lever 2 includes having the main rod body 21 of circular inner hole and being inserted into Telescopic rod 22 in the main rod body 21, the cross bar 3 are mounted on the upper end of the telescopic rod 22 by attachment base 4；It is described to stretch The lower end of contracting bar 22 is rotationally socketed with expansion sleeve 23, the diameter of bore of the outer diameter of the expansion sleeve 23 and the main rod body 21 Unanimously, the expansion sleeve 23 is slidably engaged by axially disposed guide frame with the main rod body 21 and is connect；It is described The lower end of expansion sleeve 23 is the bulge 231 for being evenly equipped with multiple radial slots, internal via shape of the bulge close to lower end For the rotational symmetry figure being made of curve, and the radial dimension of the inner hole circumferentially smooth change；Under the telescopic rod 22 End has the swollen crowded portion 223 consistent with the size and shape of lower end inner hole of the bulge 231.

When implementation, the telescopic rod 22 include diameter long rod segment 221 consistent with the diameter of bore of the main rod body 21 and under Hold the lesser expansion arc 222 of diameter；The length of the expansion arc 222 is consistent with the length of the expansion sleeve 23, and the expansion Set 23 is sleeved on the expansion arc 222；It further include rounded baffle 24, the diameter of the baffle 24 and the main rod body 21 Diameter of bore it is consistent, the baffle 24 is located at the lower section of the expansion sleeve 23, and by connect bolt be mounted on it is described flexible The lower end of bar 22.

When implementation, the bottom in the swollen crowded portion 223 has coaxial arrangement and is in the recessed portion of polygon, 24 court of baffle There is the lug boss being correspondingly arranged with the recessed portion, the end surface shape and ruler of the lug boss to the side of the telescopic rod 22 Very little end surface shape and size uniformity with the recessed portion causes, and the raised portion fits of the baffle 24 are in the recessed of the telescopic rod 22 In concave portion.

When implementation, internal via shape of the bulge close to lower end is ellipse, and the length of the major semiaxis of the ellipse It spends 1~2mm bigger than the length of semi-minor axis.

When it is implemented, structure as shown in Figure 7, projection of the bulge close to the inner hole of lower end can also be used Figure includes the first convex outer curve and the second convex outer curve being circumferentially successively intervally arranged, all first convex outer curves Public affairs cut diameter of a circle, and than the public affairs of all second convex outer curves to cut diameter of a circle 2~4mm small；The described first adjacent outer evagination Inner concave curve is connected between line and the second convex outer curve, the public affairs of all first convex outer curves cut diameter of a circle than all institutes The public affairs for stating inner concave curve cut the big 1~1.5mm of diameter of a circle.Between adjacent first convex outer curve and the second convex outer curve Central angle is 10~15 °.

In this way, the second convex outer curve and the first convex outer curve position in swollen crowded portion and the second evagination on bulge When curve and opposite the first convex outer curve dislocation, swollen crowded portion will support expansion bulge outward, be locked at bulge in main rod body. And, it is only necessary to telescopic rod is rotated 10~15 °, so that it may lock or unlock telescopic rod, realize the height adjustment of elevating lever.

When implementation, as shown in figure 8, the upper end of the expansion sleeve 23 has the positioning of several circumferentially wavy arrangements Slot, the depth of the locating slot are less than the height of the lug boss of the baffle 24；The lower end of the long rod segment 221 axially protrudes It is provided with locating piece corresponding with the locating slot, the long axis in the swollen crowded portion is with the bulge close to the inner hole of lower end Long axis direction it is consistent when, the locating piece is caught in one of them described locating slot；The lower end of the baffle 24 with connect spiral shell Spring is additionally provided between bolt.

When implementation, the expansion sleeve 23 uses plastics integrated injection molding, 231 He of the bulge including being located at lower end Guide part 232 positioned at upper end, the guide frame include the guiding being axially arranged on the inner hole wall of the main rod body 21 Slot, and the guide pad being provided projectingly on the outer wall of the guide part 232, the guide pad of the guide part 232 are slideably matched It closes in the guide groove of the main rod body 21.

When implementation, the outer diameter of the guide part 232 is consistent with the diameter of bore of the main rod body 21, the bulge 231 Outer diameter be less than the outer diameter of the guide part 232, and the outer surface of the bulge 231 is equipped with one layer of rubber, and rubber layer Outer diameter it is consistent with the outer diameter of the guide part 232.

When implementation, the attachment base 4 includes the ball cup 41 and crossbar mount 42 for being mounted on 2 upper end of telescopic rod, described There is the clip slot for clamping the cross bar 3, the cross bar 3 is movably clamped in the clip slot in crossbar mount 42；The cross bar Also have on seat 42 along the cylinder being provided projectingly perpendicular to the clip slot direction, it is described that there is diameter to be greater than for the end of the cylinder The sphere of column diameter；The ball-and-socket that there is internal diameter and the sphere diameter to match at the top of the ball cup 41, the ball-and-socket Depth be greater than its radius；The sphere of the crossbar mount 42, which is rotationally locked, to be a tight fit in the ball-and-socket of the ball cup 41.

There is the tight lock part 43 of the radially projecting setting along the main rod body 21 when implementation, on the ball cup 41, and Vertically divide the notch that the tight lock part 43 is arranged equally, the notch connects with the ball-and-socket, and the gap of incision for 2~ 3mm；Have on the tight lock part 43 along the bolt hole perpendicular to notch plane perforation setting, and clamping screw is installed.

When implementation, the depth of the ball-and-socket is 2~3mm bigger than the radius of the sphere.

When implementation, the crossbar mount 42 is formed using plastic injection, and the side wall of the clip slot is arc-shaped thin-walled；It is described The diameter of clip slot is 2~3mm smaller than the diameter of the cross bar 3, and the depth of the clip slot it is bigger by 2 than the radius of the cross bar 3~ 3mm。

In this way, the elasticity of the plastic thin wall using clip slot, so that it may which cross bar is caught in clip slot by the opening for expanding clip slot, again Because the diameter of clip slot is less than cross bar diameter, so that cross bar is clamped in clip slot.

When implementation, the pedestal 1 includes the sleeve 11 being sleeved in the main rod body 21, and is hinged on the sleeve 11 On stabilizer blade 12, the stabilizer blade 12 is evenly equipped with multiple along the circumferential direction of the sleeve 11；The internal diameter and the mobile jib of the sleeve 11 The diameter of body 21 is consistent, and has the notch that is correspondingly arranged with the stabilizer blade 12 on barrel, the notch circumferentially on two sides Respectively there is a trunnion, the upper end of the stabilizer blade 12 has cylindrical hinged seat, and the hinged seat passes through axially disposed Hinged shaft be hinged on the trunnion of the notch two sides, minimum range and institute of the axle center of the hinged shaft to 11 inner wall of sleeve The radius for stating hinged seat is consistent；The hinged shaft is eccentrically set on the hinged seat towards the side of 12 lower end of supporting leg, and partially The heart is away from for 2~5mm.

Using the above structure, due to having notch on the barrel of sleeve, and trunnion is arranged in notch two sides, so that being hinged on Stabilizer blade hinged seat between two trunnions also is located in notch, and since hinged shaft is eccentrically set on hinged seat towards supporting leg lower end Side, and the axle center of hinged shaft is equal to the radius of hinged seat to the minimum range of sleeve lining, so that supporting leg is in along sleeve axial direction When the state of contraction, the outer wall of hinged seat and main rod body is tangent, and once radially struts supporting leg, then can utilize hinge The eccentricity of joint chair, is pressed on hinged seat on the outer wall of main rod body, with bigger, the between the two pressure of the angle supportted outside supporting leg Clamp force is bigger, in this manner it is possible to which sleeve is locked in main rod body under supporting leg softened state, is in holding state.When storage, It only needs to propose main rod body, so that it may so that supporting leg is rotated down contraction using the self weight of supporting leg, in this way, after supporting leg is shunk, it can be with Move up, be contracted in outside main rod body with sleeve, in conjunction with the contraction of telescopic rod, so that it may bracket is shunk completely it is cylindrical, just In storage and carry.

When implementation, the lower end of the main rod body 21 is radially projecting be provided with it is multiple between the two neighboring supporting leg 12 The bracer that region is correspondingly arranged, the circumscribed circle diameter of multiple bracers are consistent with the circumscribed circle diameter of multiple trunnions；Institute Stating side of the bracer in 21 circumferential direction of main rod body is inclined-plane.

In this way, sleeve can be moved down, then turnbarrel again, moves supporting leg along the inclined-plane of bracer, so that it may Realize strutting for supporting leg, meanwhile, the support using bracer to supporting leg can prevent supporting leg when performance from shrinking, and use is more stable. It only needs to rotate main rod body when storage, makes position of the supporting leg between two neighboring bracer, so that it may utilize the self weight of supporting leg Shrink supporting leg.

When implementation, the bracer and is formed along the inclination axially upwards of the main rod body 21 between the main rod body 21 The accommodation space of 12 lower end of supporting leg can be accommodated.

In this way, can rotate together with sleeve and supporting leg after supporting leg is shunk, the lower end of supporting leg is set to go to the receiving empty In, limitation supporting leg is swung with hinged shaft, easily portable.

The above is only the preferred embodiment of the utility model only, is not limitation with the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims

1. a kind of sing uses microphone holder, including pedestal (1), the elevating lever (2) being mounted on pedestal (1) and for placing microphone Cross bar (3)；It is characterized in that, the elevating lever (2) includes having the main rod body (21) of circular inner hole and being inserted into the master Telescopic rod (22) in the body of rod (21), the cross bar (3) are mounted on the upper end of the telescopic rod (22) by attachment base (4)；Institute The lower end for stating telescopic rod (22) is rotationally socketed with expansion sleeve (23), the outer diameter of the expansion sleeve (23) and the main rod body (21) diameter of bore is consistent, and the expansion sleeve (23) can be slided with the main rod body (21) by axially disposed guide frame It is cooperatively connected dynamicly；The lower end of the expansion sleeve (23) is the bulge (231) for being evenly equipped with multiple radial slots, the bulge Internal via shape close to lower end is the rotational symmetry figure being made of curve, and the radial dimension of the inner hole circumferentially smoothly becomes Change；The lower end of the telescopic rod (22) has consistent with the size and shape of lower end inner hole of the bulge (231) Swollen crowded portion (223).

2. as described in claim 1 sing uses microphone holder, which is characterized in that the telescopic rod (22) include diameter with it is described The diameter of bore of main rod body (21) unanimously long rod segment (221) and the lesser expansion arc of lower end diameter (222)；The expansion arc (222) length is consistent with the length of the expansion sleeve (23), and the expansion sleeve (23) is sleeved on the expansion arc (222) On；It further include rounded baffle (24), the diameter of the baffle (24) is consistent with the diameter of bore of the main rod body (21), institute The lower end stated the lower section that baffle (24) are located at the expansion sleeve (23), and be mounted on the telescopic rod (22) by connecting bolt.

3. as claimed in claim 2 sing uses microphone holder, which is characterized in that the bottom of the swollen crowded portion (223) has same Axis setting and the recessed portion in polygon, the baffle (24) has towards the side of the telescopic rod (22) and the recessed portion The lug boss being correspondingly arranged, the end surface shape and size of the lug boss and the end surface shape and size uniformity of the recessed portion It causes, the raised portion fits of the baffle (24) are in the recessed portion of the telescopic rod (22).

4. as claimed in claim 2 sing uses microphone holder, which is characterized in that inner hole shape of the bulge close to lower end Shape is ellipse, and the length of the major semiaxis of the ellipse is 1 ~ 2mm bigger than the length of semi-minor axis.

5. as claimed in claim 4 sing uses microphone holder, which is characterized in that the upper end of the expansion sleeve (23) has several The locating slot of a circumferentially wavy arrangement, the depth of the locating slot are less than the height of the lug boss of the baffle (24)； The lower end of the long rod segment (221), which axially protrudes, is provided with locating piece corresponding with the locating slot, the swollen crowded portion When long axis and the bulge consistent close to the long axis direction of the inner hole of lower end, it is described fixed that the locating piece is caught in one of them In the slot of position；Spring is additionally provided between the lower end and connection bolt of the baffle (24).

6. as described in claim 1 sing uses microphone holder, which is characterized in that the expansion sleeve (23) is integrally infused using plastics It is moulded into type, including being located at the bulge (231) of lower end and positioned at the guide part (232) of upper end, the guide frame includes The guide groove being axially arranged on the inner hole wall of the main rod body (21), and be provided projectingly in the outer of the guide part (232) The guide pad of guide pad on wall, the guide part (232) is slidably fit into the guide groove of the main rod body (21).

7. as claimed in claim 6 sing uses microphone holder, which is characterized in that the outer diameter of the guide part (232) with it is described The diameter of bore of main rod body (21) is consistent, and the outer diameter of the bulge (231) is less than the outer diameter of the guide part (232), and institute The outer surface for stating bulge (231) is equipped with one layer of rubber, and the outer diameter one of the outer diameter of rubber layer and the guide part (232) It causes.

8. as described in claim 1 sing uses microphone holder, which is characterized in that the attachment base (4) is described including being mounted on The ball cup (41) and crossbar mount (42) of telescopic rod (22) upper end have on the crossbar mount (42) and clamp the cross bar (3) Clip slot, the cross bar (3) are movably clamped in the clip slot；Also have on the crossbar mount (42) along perpendicular to the folder The cylinder that slot direction is provided projectingly, the sphere that there is diameter to be greater than the column diameter for the end of the cylinder；The ball cup (41) depth of the ball-and-socket that there is internal diameter and the sphere diameter to match at top, the ball-and-socket is greater than its radius；The cross The sphere of pole socket (42), which is rotationally locked, to be a tight fit in the ball-and-socket of the ball cup (41).

9. as claimed in claim 8 sing uses microphone holder, which is characterized in that have on the ball cup (41) along the master The tight lock part (43) of the radially projecting setting of the body of rod (21), and vertically divide the notch of the tight lock part (43) setting, institute equally It states notch to connect with the ball-and-socket, and the gap of incision is 2 ~ 3mm；Have on the tight lock part (43) along perpendicular to described The bolt hole of notch plane perforation setting, and clamping screw is installed.

10. as claimed in claim 9 sing uses microphone holder, which is characterized in that the depth of the ball-and-socket is than the sphere Big 2 ~ the 3mm of radius.