CN207394282U - For the extension rod of microphone - Google Patents

Abstract

The utility model discloses a kind of extension rods for microphone, it is intended to solve the problem of when needing to detect the noise of different height that, it is necessary to which testing staff holds with a firm grip microphone elevates arm and there is waste labour, drip irrigation device is：A kind of extension rod for microphone slides the elevating lever of socket including center, with center and is arranged at elevating lever top for clamping the fixture of microphone；Center is rotatably connected to projectile, and projectile offers the threaded hole with center coaxial line, and elevating lever periphery offers the external screw thread with threaded hole thread fitting, and elevating lever offers limiting groove, and center is provided with the confinement block with limiting groove sliding cooperation；Center periphery is provided with diagonal brace strut.A kind of extension rod for microphone of the utility model can be supported on ground by setting one, and the extension rod that conveyer can be driven to lift, and is existed so as to solve the problem of to need to elevate arm because of testing staff and wasted labour.

Description

For the extension rod of microphone

Technical field

The utility model is related to noise measuring equipment, more specifically, it relates to a kind of extension rod for microphone.

Background technology

Airport, highway communication hinge, the community of crowd massing and various outdoor public sites are often subject to the puzzlement of noise, Outdoor noise characteristic also increasingly becomes city development construction, environmental protection and noise abatement and administers the important finger for needing to examine or check Mark.

Notification number is a kind of outdoor microphone disclosed in the Chinese patent of CN201294610Y, is characterized in that：Including Stent, the microphone preamplifier being installed in stent and the microphone being connected with microphone preamplifier, wherein passing Sound device is fixed with stent, and is covered with protective cover.

Noise is collected by microphone in said program, and by microphone preamplifier amplified signal, and export signal； The noise of acquisition different height may be needed in actually detected noise, so as to obtain more accurate noise measuring situation, and When needing to detect the noise of different height, it is necessary to which testing staff holds with a firm grip, microphone elevates arm in said program, there is waste The problem of labour.

Therefore need to propose a kind of new scheme to solve the problems, such as this.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of extensions for microphone Bar can be supported on ground by setting one, and the extension rod that conveyer can be driven to lift, so as to solve because of detection Personnel need to elevate arm, and there are problems that wasting labour.

The above-mentioned technical purpose of the utility model technical scheme is that：It is a kind of for microphone Extension rod slides the elevating lever of socket including center, with center and is arranged at elevating lever top for clamping microphone Fixture；The center is rotatably connected to projectile, and the projectile offers the threaded hole with center coaxial line, described Elevating lever is cylinder, and periphery offers the external screw thread with threaded hole thread fitting, and the elevating lever is opened along its length Equipped with limiting groove, the center is provided with the confinement block with limiting groove sliding cooperation；The center periphery is at least set There are three diagonal brace struts.

By using above-mentioned technical proposal, microphone is clamped and fastened on elevating lever top, elevating lever and center by fixture Sliding socket, elevating lever drives microphone to lift during being slided along center axis direction, so as to different height Degree detection acquisition noise so that noise measuring value is more accurate；Elevating lever is controlled by projectile and lifted, and rotates clockwise propulsion Part generates upward screw thread propulsive force with threaded hole and external screw thread and promotes elevating lever rising, rotates counterclockwise projectile, by Threaded hole generates downward screw thread propulsive force with external screw thread cooperation and elevating lever is driven to decline, and on the one hand rotates and promotes in different directions Part is the rising or decline of controllable elevating lever, on the other hand simple in structure and simple operation utilizes threaded hole and external screw thread Screw thread self-locking function, limit the improper slip of elevating lever；It should be noted why limiting groove and confinement block are set, It is in order to avoid because lifting column and projectile rotate synchronously, and causes projectile and lifting column that can not generate screw thread propulsive force；If Put three diagonal brace struts by the form of A-frame ensure the utility model be positioned over ground when stability, without detection Personnel hold microphone so as to reduce the labor intensity of testing staff, and testing staff holds the more fatigue of microphone pick noise The reason is as follows that：Since acquisition noise needs certain duration, needing to stretch one's arm within this time keeps microphone In a height.

The utility model is further arranged to：The fixture include chassis, be fixed on the left grip block of chassis upper surface with And sliding is connected to the right grip block of chassis upper surface, the left grip block is rotatably connected to screw, and the right grip block is set There is the thread bush with wire rod thread cooperation.

By using above-mentioned technical proposal, when needing to connect microphone and lifting column, microphone is positioned over left clamping Between block and right grip block, screw is rotated clockwise, screw generates screw thread propulsive force with thread bush cooperation and promotes right grip block court Grip block slides and clamps microphone to the left；When dismantling microphone and lifting column, screw, screw and screw thread are rotated counterclockwise Set cooperation generates the screw thread propulsive force in direction, right grip block is promoted to be slided backwards to left grip block, so as to unclamp for microphone Microphone is removed in clamping；Said program has the following advantages：1st, by microphone and the design for disassembly of lifting column, to receive Obligatory presentation copy is practical and microphone provides facility；2nd, rotary screw rod in different directions, you can clamp or unclamp microphone simple operation； 3rd, using the screw thread self-locking function of screw and thread bush, the improper slip of right grip block is limited, it is ensured that clamp the steady of microphone It is qualitative；4th, microphone can be clamped in the stroke of right grip block, so as to which the utility model can coordinate the transaudient of a variety of volumes Device uses, and improves the adaptability of the utility model.

The utility model is further arranged to：The chassis upper surface offers T-shaped sliding slot, and the right grip block bottom is consolidated Surely it is provided with the T-shaped sliding block with the sliding cooperation of T-shaped sliding slot.

By using above-mentioned technical proposal, chassis opens up T-shaped sliding slot, is fixed on the T-shaped sliding block sliding of right grip block bottom It is connected in T-shaped sliding slot, so as to limit the sliding trajectory of right grip block, it is made only to possess and is slided toward and away from left grip block Mobility.

The utility model is further arranged to：The fixture is connected by being provided with connector with elevating lever, the lifting Bar top is provided with spherical groove, and the connector includes the connecting pole for being fixed on chassis lower surface center, the connecting pole bottom Be fixedly installed the ball with spherical groove clearance fit, the spherical shape trough wall surface angularly through open up there are four with connecting pole card Connect the buckling groove of cooperation.

By using above-mentioned technical proposal, using ball as center of rotation rotary clamp, and connecting pole is made to be connected in accordingly In buckling groove, since tool is there are four buckling groove, microphone can be towards the direction in four horizontal planes, so as to which this practicality is new Type can aid in the noise of microphone pick four direction；To connect mast axis as center of rotation rolling clamp, after using ball as Center of rotation rotary clamp, and connecting pole is made to be connected in corresponding buckling groove, so as to which microphone can be towards in perpendicular Any direction so that microphone can gather the noise of more direction.

The utility model is further arranged to：The left grip block symmetrically offers side view in half with right grip block opposite face Circular holding tank, the holding tank set elasticity layer.

By using above-mentioned technical proposal, hemispheric holding tank is opened up, so as to clamp microphone in the form of encirclement, is had Effect improves clamping effect；Holding tank sets elastic layer, on the one hand reduces the hardness of left grip block and right grip block, avoids microphone It is damaged due to clamping, on the other hand using the elastic potential energy of elastic layer, strengthens the chucking power for microphone, further carry The stability of height clamping.

The utility model is further arranged to：The center periphery is angularly fixedly installed that there are three vertical to be hinged Plate, the diagonal brace strut top offer the hinged groove with articulated slab clearance fit, and the articulated slab both sides, which are fixedly installed, to be turned Axis, the hinged groove offer the rotation hole being rotatably assorted with shaft.

By using above-mentioned technical proposal, hinged groove is U-shaped to clamp articulated slab, so as to limit the activity of diagonal brace strut Degree, makes it be only capable of inwardly and outwardly rotating using articulated slab as center of rotation；Shaft and rotation hole is set to ensure diagonal brace strut While turning power, prevent diagonal brace strut from departing from articulated slab；In conclusion since diagonal brace strut possesses the ability of rotation, from And when needing to store extension rod, diagonal brace strut can be rotated to center periphery is fitted in, it is occupied to reduce extension rod Volume.

The utility model is further arranged to：The articulated slab both sides are tiltedly installed with the limit contacted with diagonal brace strut Position casting lug thereon.

By using above-mentioned technical proposal, it is turned out by /V casting lug thereon limitation diagonal brace strut, so as to avoid this practicality Topple over due to diagonal brace strut is turned out.

The utility model is further arranged to：The projectile is equidistantly fixedly installed three handles.

By using above-mentioned technical proposal, the point of application for rotating projectile is provided by handle, is provided just to rotate projectile Profit.

In conclusion the utility model has the advantages that：When gathering noise without testing staff hold lift it is transaudient Device reduces labor intensity during detection；Possess elevating function, the noise of multiple height can be gathered；Fixture can be towards four Angle in different horizontal directions and arbitrary vertical plane gathers noise so as to multi-direction multi-angle.

Description of the drawings

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the exploded view at the utility model interception center, mainly represents projectile, center, elevating lever three Matching relationship；

Fig. 3 is the exploded view of the utility model lifter portion, mainly represents projectile, center, elevating lever three Matching relationship；

Fig. 4 is the exploded view at the utility model interception fixture, the main structure for representing fixture and fixture and lifting column Matching relationship；

Fig. 5 is the exploded view at the utility model interception fixture, is in and connects difference lies in right clamping part and chassis with Fig. 4 State；

Fig. 6 is the exploded view that the utility model hides lifting column and projectile, main to represent center and diagonal brace strut Matching relationship.

In figure：1st, center；11st, elevating lever；12nd, fixture；14th, chassis；15th, left clamping part；151st, holding tank；152nd, bullet Property layer；153rd, bearing；16th, right clamping part；161st, T-shaped sliding slot；162nd, T-shaped sliding block；17th, screw；18th, thread bush；19th, connect Part；191st, spherical groove；192nd, connecting pole；193rd, ball；194th, buckling groove；21st, projectile；211st, turning annular slot；212nd, ring Shape moving block；22nd, threaded hole；23rd, external screw thread；24th, limiting groove；25th, confinement block；26th, handle；31st, diagonal brace strut；32nd, it is hinged Plate；33rd, hinged groove；34th, shaft；35th, rotation hole；36th, /V casting lug thereon.

Specific embodiment

With reference to the accompanying drawings and examples, the utility model is described in detail.

For the extension rod of microphone, as shown in Figure 1, the elevating lever 11 including center 1, with the sliding socket of center 1 And 11 top of elevating lever is arranged at for clamping the fixture 12 of microphone, when needing to gather the noise of different height, pass through Fixture 12 grips microphone, slides elevating lever 11 along 1 axis direction of center, adjusts the height of microphone；Meanwhile center It covers 1 periphery to also set up there are three diagonal brace strut 31, so as to be supported in ground in the form of A-frame by diagonal brace strut 31 On, steady or hand-held extension rod is helped without testing staff, effectively reduces the labor intensity of testing staff；Pass through above-mentioned side Formula gathers noise, holds microphone without testing staff and lifts arm, you can gathers noise in multiple height.

The utility model controls the lifting of elevating lever 11 in the following way, and as shown in Figure 1 and Figure 2, elevating lever 11 is cylinder Body, periphery offer external screw thread 23, and center 1 is rotatably connected to projectile 21, and projectile 21 offers common with center 1 Axis and with the threaded hole 22 of 23 thread fitting of external screw thread, rotate clockwise projectile 21, the mistake that projectile 21 rotates clockwise Threaded hole 22 generates upward screw thread propulsive force promotion elevating lever 11 with the cooperation of external screw thread 23 and rises in journey；Rotate counterclockwise propulsion Part 21, threaded hole 22 generate downward screw thread propulsive force with the cooperation of external screw thread 23 and elevating lever 11 are promoted to decline；In conclusion with not Same direction rotates the rising or decline that projectile 21 is controllable elevating lever 11, simple in structure and simple operation.

Since elevating lever 11 is cylinder, possesses the mobility rotated using own axes as center of rotation, to keep away Exempt to rotate synchronously with projectile 21 because of lifting column 11, both cause that screw thread propulsive force can not be generated, as shown in Fig. 2, elevating lever 11 Limiting groove 24 is offered along its length, 1 inner wall of center slides the confinement block 25 coordinated integrally formed with limiting groove 24, from And the mobility rotated by the limitation lifting column 11 of confinement block 25 using its axis as center of rotation.

Projectile 21 is rotatablely connected in the following way with center 1, and as shown in Figure 2 and Figure 3,1 upper surface of center opens up There is section in inverted T shaped turning annular slot 211,21 lower face of projectile is rotatably assorted integrally formed with turning annular slot 211 Turning annular block 212, be embedded in turning annular slot 211 by turning annular hole 212 so as to projectile 21, realize projectile 21 with the rotation connection of center 1, and only possess the mobility rotated using 1 axis of center as center of rotation.

For ease of rotating projectile 21, as shown in figure 3, the generally rosette of projectile 21, outer circumference surface are equidistant Three handles 26 are welded with, so as to provide a point of application by handle 26, facility is provided to rotate projectile 21.

Fixture 12 grips microphone in the following way, and as shown in Figure 4, Figure 5, fixture 12 includes chassis 14, welding It is fixed on the left grip block 15 of 14 upper surface of chassis and sliding is connected to the right grip block 16 of 14 upper surface of chassis, left grip block 15 are fixedly installed bearing 153, and 153 inner circle of bearing is fixedly installed screw 17, so as to realize screw 17 and a left side by bearing 153 The rotation connection of grip block 15, right grip block 16 are welded with the thread bush 18 with 17 thread fitting of screw, and thread bush 18 is Open up female metal derby；When needing to clamp microphone, microphone is positioned over left grip block 15 and right grip block 16 Between, screw 17 is rotated clockwise, screw 17 generates screw thread propulsive force with the cooperation of thread bush 18, promotes right grip block 16 towards a left side Grip block 15 slides, the microphone so that the two generation chucking power is fixedly clamped；When dismantling microphone, screw 17 is rotated counterclockwise Right grip block 16 is promoted, so as to unclamp the clamping for microphone, to remove microphone away from left grip block 15.

Right grip block 16 slides with chassis 14 connect in the following way, returns to Fig. 4,14 upper surface of chassis offers section In inverted T shaped T-shaped sliding slot 161, right 16 lower face of grip block is integrally formed with the T-shaped sliding block with the sliding cooperation of T-shaped sliding slot 161 162, so as to being fitted together to by T-shaped sliding block 162 in T-shaped sliding slot 161, on the one hand limit right grip block 16 only possess toward and away from On the other hand the mobility that left grip block 15 slides prevents right clamping part 16 from departing from chassis 14.

To improve the clamping effect of left grip block 15 and right grip block 16, as shown in figure 5, left clamping part 15 and right clamping part 16 be rectangular metal block, and the two opposite face symmetrically offers the holding tank 151 of side view semicircular in shape, so as to pass through holding tank 151 clamp microphone in the form of " anchor ear ", effectively improve the bonding strength of microphone and the utility model；In holding tank 151 Elastic layer 152 is additionally provided with, elastic layer 152 is the rubber for offering non-slip texture, so as to be further improved by elastic layer 152 For the clamping fastness of microphone.

For microphone is enabled to gather the noise of multiple directions, as shown in Figure 4, Figure 5, fixture 12 is by being provided with connection Part 19 is connected with elevating lever 11, and 11 top of elevating lever is provided with spherical groove 191, and spherical groove 191 is 3/4 spherical groove, is connected Part 19 includes connecting pole 192 fixed with 14 lower surface center weld of chassis and is shaped in 192 bottom of connecting pole and ball The ball 193 of 191 clearance fit of shape slot, so as to by the function of ball 193 and the chimeric realization universal joint of spherical groove 191, make Obtaining microphone can be towards multiple directions；Equidistantly through opening up, there are four be engaged by clamping 191 wall surface of spherical groove with connecting pole 192 Buckling groove 194, buckling groove 194 have certain elastic deformation ability, rotary clamp 12 so that connecting pole 192 be connected in clamping In slot 194, so as to prevent fixture 12 from improper rotation occurs by the column 192 that is clamped and connected of buckling groove 194；Need herein explanation by Still it can pass through rotation after buckling groove 194 is connected in elastic deformation ability, therefore connecting pole 192 in buckling groove 194 Fixture 12 adjusts the direction of microphone.

Occupy that volume is excessive is not easy to store when being in unfolded state due to three diagonal brace struts 31, for ease of storing this reality With new, as shown in fig. 6, diagonal brace strut 31 is rotatablely connected with center 1, so as to can be rotated in storage diagonal brace strut 31 to 1 outside wall surface of center is fitted in, effectively reduces the occupancy volume of the utility model, facility is provided for storage；Diagonal brace strut 31 is logical Following manner to be crossed to be rotatablely connected with center 1,1 periphery of center is angularly welded and fixed there are three vertical articulated slab 32, 31 top of diagonal brace strut offers the hinged groove 33 with 32 clearance fit of articulated slab, 33 U-shaped clamping opening of hinged groove clamping articulated slab 32, for 32 both sides of articulated slab integrally formed with shaft 34, hinged groove 33 offers the rotation hole 35 being rotatably assorted with shaft 34, diagonal brace Strut 31 possesses the ability rotated with shaft 34 for center of rotation；32 both sides of articulated slab are welded with to abut with diagonal brace strut 31 The /V casting lug thereon 36 of cooperation, /V projecting block 36 are inclined to set, and when needing to support by diagonal brace strut 31, rotate diagonal brace Strut 31 is to fitting /V projecting block 36, so as to limit the mobility that diagonal brace strut 31 is turned out by /V projecting block 36.

The use of the new type is in cooperation microphone in use, rotating three diagonal brace struts 31 and it being made to be supported in plane；It will Microphone is positioned between left grip block 15 and right grip block 16, is rotated clockwise screw 17 and is clamped microphone, and passes through rotation Fixture 12 adjusts the direction of microphone；It holds handle 26 and rotates clockwise projectile 21, elevating lever 11 is promoted to move up, it is transaudient After device moves certain altitude, after pause one end time completes the height Noise Acquisition, microphone is raised again until complete Into the Noise Acquisition of all height；When needing to store the use of the new type, rotate counterclockwise projectile 21 and withdraw elevating lever 11, it is inverse Hour hands rotary screw rod 17 simultaneously removes microphone, rotates diagonal brace strut 31 to fitting center 1.

The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to Above-described embodiment, all technical solutions belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to Go out, for those skilled in the art, several improvement under the premise of the utility model principle is not departed from and Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.

Claims (8)

1. a kind of extension rod for microphone, it is characterised in that：Including center（1）With center（1）Slide the liter of socket Bar drops（11）And it is arranged at elevating lever（11）Top is used to clamp the fixture of microphone（12）；The center（1）The company of rotation It is connected to projectile（21）, the projectile（21）It offers and center（1）The threaded hole of coaxial line（22）, the elevating lever （11）For cylinder, periphery offers and threaded hole（22）The external screw thread of thread fitting（23）, the elevating lever（11）Edge Length direction offers limiting groove（24）, the center（1）It is provided with and limiting groove（24）Slide the confinement block of cooperation（25）； The center（1）Periphery is at least provided with three diagonal brace struts（31）.

2. the extension rod according to claim 1 for microphone, it is characterised in that：The fixture（12）Including chassis （14）, be fixed on chassis（14）The left grip block of upper surface（15）And sliding is connected to chassis（14）The right grip block of upper surface （16）, the left grip block（15）It is rotatably connected to screw（17）, the right grip block（16）It is provided with and screw（17）Screw thread The thread bush of cooperation（18）.

3. the extension rod according to claim 2 for microphone, it is characterised in that：The chassis（14）Upper surface opens up There is T-shaped sliding slot（161）, the right grip block（16）Bottom is fixedly installed and T-shaped sliding slot（161）Slide the T-shaped sliding block of cooperation （162）.

4. the extension rod according to claim 2 for microphone, it is characterised in that：The fixture（12）By being provided with Connector（19）With elevating lever（11）Connection, the elevating lever（11）Top is provided with spherical groove（191）, the connector（19） Including being fixed on chassis（14）The connecting pole at lower surface center（192）, the connecting pole（192）Bottom is fixedly installed and spherical shape Slot（191）The ball of clearance fit（193）, the spherical groove（191）Wall surface angularly through open up there are four and connecting pole （192）The buckling groove of clamping engagement（194）.

5. the extension rod according to claim 2 for microphone, it is characterised in that：The left grip block（15）With right folder Hold block（16）Opposite face symmetrically offers the holding tank of side view semicircular in shape（151）, the holding tank（151）Elasticity layer is set （152）.

6. the extension rod according to claim 1 for microphone, it is characterised in that：The center（1）Periphery etc. There are three vertical articulated slabs for angle fixed setting（32）, the diagonal brace strut（31）Top offers and articulated slab（32）Gap The hinged groove of cooperation（33）, the articulated slab（32）Both sides are fixedly installed shaft（34）, the hinged groove（33）Offer with Shaft（34）The rotation hole being rotatably assorted（35）.

7. the extension rod according to claim 6 for microphone, it is characterised in that：The articulated slab（32）Both sides tilt It is provided with and diagonal brace strut（31）The /V casting lug thereon contacted（36）.

8. the extension rod according to claim 1 for microphone, it is characterised in that：The projectile（21）It is equidistantly solid Surely three handles are provided with（26）.