CN113294429B - Cantilever bracket - Google Patents

Abstract

The invention discloses a cantilever bracket, which comprises a rotary lower arm and a rotary upper arm, wherein one end of the rotary lower arm is rotationally connected with the rotary upper arm, the other end of the rotary lower arm is connected with a fixing piece for fixing the cantilever bracket on a tabletop, one end of the rotary upper arm is rotationally connected with the rotary lower arm through a first damper, and the other end of the rotary upper arm is rotationally connected with a connecting seat for connecting a microphone bracket through a second damper.

Description

Cantilever bracket

Technical Field

The invention relates to the technical field of microphone cantilever supports, in particular to a cantilever support.

Background

The utility model discloses a novel microphone cantilever support, including rotatory lower arm, rotatory upper arm, fulcrum collection piece, connect spring etc. between rotatory lower arm and the rotatory upper arm through fulcrum collection piece swing joint, connect between this fulcrum collection piece and the rotatory upper arm, it can realize comparing traditional cantilever support more laborsaving, the activity is more free, the stronger advantage of supporting strength, however its structure is too complicated, every rotating end has all set up two arm interconnect, still set up a plurality of connection fulcrums and use the spring as the support between every arm and the arm, the complex structure one can influence the efficiency of equipment, the second is that it can only realize folding rotation, and unable nimble horizontal rotation rotates, must find fixed in position during the use, and unable nimble regulation.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention aims to provide a cantilever bracket, which aims to solve the technical problems that: can rotate and adjust at multiple angles, is simple to assemble, has telescopic length and is convenient to maintain.

In order to solve the technical problems, the invention adopts the following technical scheme:

The utility model provides a cantilever support, includes rotatory lower arm and rotatory upper arm, rotatory upper arm is connected to the one end rotation of rotatory lower arm, and the other end is connected with the mounting that is used for fixing the cantilever support at the desktop, rotatory upper arm's one end is connected with rotatory lower arm rotation through first attenuator, rotatory upper arm's the other end is connected with the connecting seat rotation that is used for connecting the microphone support through the second attenuator.

Further, a lower telescopic rod used for telescopic sliding in the rotary lower arm is further arranged between the rotary lower arm and the first damper, and an upper telescopic rod used for telescopic sliding in the rotary upper arm is further arranged between the rotary upper arm and the second damper.

Further, the connecting seat includes the connecting rod, clamping piece seat, goes up adjusting screw and regulation fixing base, one side of adjusting the fixing base rotates and connects the second attenuator, and the other end is equipped with left arm lock and right arm lock that are used for holding clamping piece seat, all is equipped with the through-hole on left arm lock and the right arm lock, is provided with clamping piece seat between left arm lock and the right arm lock, left clamping piece seat includes left clamping piece and right clamping piece that two disconnect-type set up, and the top of left clamping piece and right clamping piece is by inside-out sunken in order to form the clamp hole that can clamp the connecting rod, and in the clamp hole of clamping piece seat was inserted to the one end of connecting rod, the connecting rod opposite side was equipped with the connecting screw that is used for connecting microphone support usefulness, still be provided with the limit station that is used for preventing excessive tightening between connecting screw and the connecting rod body, all be equipped with the through-hole on left clamping piece and the right clamping piece, left clamping piece and the left clamping piece are passed in proper order and are screwed up with the nut, realize with the rotation of clamping piece seat and adjusting the fixing base is connected, the handle department of going up adjusting screw is equipped with the spanner position that is used for preventing dying between left clamping piece and right clamping piece and left clamping arm and right clamping piece and lock.

Further, the second damper is a 360-degree horizontal rotation damper, comprising a movable damping sheet, a second damping screw, a left clamping sheet, a right clamping sheet and an adjusting base, wherein one end of the adjusting base is provided with a first plug-in block for being plugged with a rotary upper arm, the other end of the adjusting base is provided with a polygonal clamping block for clamping the right clamping sheet, a polygonal concave hole just clamped with the polygonal clamping block is formed in the right clamping sheet, one side of the polygonal clamping block is provided with a damping axle center for the movable damping sheet and adjusting the fixing seat, one side of the damping axle center is provided with a second limiting groove clamped with the left clamping sheet, a clamping groove clamped with the second limiting groove is formed in the left clamping sheet, a cylindrical groove is formed in a base body of the adjusting fixing seat, the diameter of the cylindrical groove is equal to that of the left clamping sheet and the diameter of the movable damping sheet, a through hole just capable of penetrating the damping axle center is formed in the bottom of the cylindrical groove, and a threaded hole for the damping screw to penetrate is formed in the end part of the damping axle center, which is close to the second limiting groove.

Further, the intraductal telescopic link that slides of rotatory upper arm is provided with, go up the tip cover that the telescopic link is close to mounting one end and be equipped with the jump ring seat, install the jump ring that opens towards the second attenuator direction in the jump ring seat, go up the telescopic link and offered the through-hole that the dop that supplies the jump ring stretches out in one side that is close to the jump ring seat, the one end that first attenuator was kept away from to rotatory upper arm is provided with the jump ring lockhole, the jump ring seat external diameter is less than the external diameter of rotatory upper arm on, the jump ring seat slides in rotatory upper arm along with last telescopic link, when sliding to the jump ring lockhole, the dop of jump ring just clamps in jump ring lockhole department.

Further, the first damper is a folding rotary damper, a second plug block used for being plugged with the rotary upper arm is arranged on one side of the first damper, a third plug block used for being plugged and fixed with the rotary lower arm is arranged on the other side of the first damper, a left fixed frame ring and a right fixed frame ring are symmetrically arranged on one side of the second plug block, which is far away from the rotary upper arm, a fixed frame core is arranged in the center of the middle of the left fixed frame ring and the right fixed frame ring in a coaxial mode, a third plug block is fixedly connected to the lower portion of the fixed frame core, conical grooves are formed on two sides of the fixed frame core in an outward-inward-concave mode, through holes are formed between the two conical grooves of the fixed frame core, the left fixed frame ring and the right fixed frame ring are formed into cylindrical grooves in an outward-inward mode, large round holes are formed in the end faces of the cylindrical grooves, protrusions are formed in the holes of each large round hole, a pair of large snap-fit round holes are formed in the outer edges of the left fixed frame ring and the right fixed frame ring, and the two sides of the damping female member and the damping member are respectively arranged on the two sides of the left fixed frame ring and the right fixed frame ring, the two sides are respectively provided with a large snap-fit with the large round hole.

Further, the intraductal telescopic link that slides of rotatory lower arm is provided with down, the tip cover that the telescopic link is close to mounting one end down is equipped with the draw spring seat, install the jump ring that opens towards first attenuator direction in the draw spring seat, the through-hole that the dop that supplies the jump ring stretched out is offered to the telescopic link down in one side that is close to the draw spring seat, rotatory one end that the lower arm is close to first attenuator is provided with the jump ring lockhole, the jump ring seat external diameter is less than the external diameter of rotatory lower arm, the jump ring seat slides in rotatory lower arm along with the telescopic link down, when sliding to the jump ring lockhole, the dop of jump ring just clamps in jump ring lockhole department, realize flexible location.

Further, the one end that rotatory lower arm is close to the mounting is equipped with the third attenuator, the lower extreme of third attenuator is equipped with the fourth attenuator that is used for being connected with the mounting rotation type, be equipped with at the upper end of third attenuator with rotatory lower arm grafting fixed fourth joint piece, be equipped with the axis of rotation of fourth attenuator at the lower extreme of third attenuator, the lower extreme of axis of rotation is equipped with the rolling table, the below of rolling table is equipped with the lock piece, the mounting includes upper table clamp and lower table clamp, side holder, and the below of upper table clamp is equipped with lower table clamp, and side holder is located one side of upper table clamp and lower table clamp and is perpendicular with upper table clamp, upper table clamp keeps away from one side upper and lower both sides of side holder and all is equipped with the cylinder cell body, is equipped with a round hole between two cylinder cell bodies, is equipped with the direction-changing damping piece in the below of the cylinder cell body of lower extreme, and the upper end that turns to the damping piece is equipped with the lock groove with the lock piece, is equipped with the through-hole on the direction-changing damping piece, is equipped with the screw hole in the axis.

Further, one side of lower bench clamp is equipped with the slide, and the both sides of slide are equipped with the slider, are equipped with the screw hole that supplies down adjusting screw to screw up the complex on the slide, the side holder includes left side sliding body and right sliding body, and left side sliding body and right sliding body are by inside outwards forming sunken spout, one side that upper bench clamp is close to left and right sliding body is equipped with the screw, and lower adjusting screw passes this screw and wears out to be located the space that left and right sliding body formed and arrive the screw hole that is located on the slide, and the in-process of adjusting screw screwing down or unscrewing down, the slider that is located the slide both sides just can shift about the spout to drive down the upper and lower change of clamp bench position, be provided with the reserve screw in screwdriver standing groove, the screwdriver standing groove by the upper end along the direction of spout on one side of left side sliding body or right sliding body.

Further, the wire clamp for wiring is movably arranged on the upper telescopic rod, the rotary upper arm, the rotary lower arm and the lower telescopic rod, the wire clamp comprises a locking plate seat sleeved on a corresponding rod body, a clamping sleeve positioned on the locking plate seat and used for clamping a wire, and a locking plate groove positioned in the locking plate seat and used for locking the microphone wire clamp, a through hole is formed in the locking plate seat, and the through hole is just used for the corresponding rod body to pass through.

Further, a screwdriver placing groove for placing standby screws is also arranged on the left sliding body or the right sliding body.

Compared with the prior art, the invention has the beneficial effects that:

The beneficial effects are that:

(1) Through setting the fourth damper and the second damper, the horizontal 360-degree steering of the cantilever bracket is realized

(2) The second damper and the third damper are arranged, so that the folding steering of the cantilever bracket is realized, and the cantilever bracket can be folded when not used, thereby being convenient for storage.

(3) By arranging a plurality of dampers at the connecting positions, the dampers have damping effect, each damper is screwed and adjusted by screws, so that the damper can not rotate after rotation and fixation,

(4) The fixing piece is matched with the sliding block and the track on the side sliding seat to realize more accurate adjustment of the height of the fixing piece when the tabletop is fixed, thereby clamping the tabletop

(5) The length or the height of the cantilever bracket is adjusted by arranging an upper telescopic rod and a lower telescopic rod.

(6) The spare screw driver placing groove is arranged, and the screw driver is not required to be specially found for adjustment when the problem exists and the tightness of the damper is required to be repaired or adjusted at ordinary times.

Drawings

Fig. 1: the whole structure of the invention is schematically shown;

fig. 2: the structure of the connecting seat is schematically shown;

fig. 3: the second damper of the invention is a schematic diagram of the decomposition structure;

fig. 4: the invention discloses a connecting seat, an upper telescopic rod and a rotary upper arm schematic diagram;

fig. 5: the first damper of the invention is an exploded schematic view;

fig. 6: the lower telescopic rod, the rotary lower arm and the clamp spring are schematically shown;

Fig. 7: the third and fourth dampers of the present invention are schematically structured;

fig. 8: the fixing piece and the third damper are schematically shown;

Fig. 9: the second damper part of the invention is schematically shown;

Fig. 10: the invention adjusts the structure schematic diagram of the fixed seat;

fig. 11: the standby screwdriver placing groove is schematically shown;

fig. 12: the sliding change state of the lower clamp is schematically shown;

Fig. 13: the invention provides a schematic diagram of an upper adjusting screw wrench position and a wire clamp;

fig. 14: the structure of the clamping spring seat and the clamping spring is schematically shown.

In the figure: 1-rotating lower arm, 2-rotating upper arm, 4-lower telescopic link.

5-Connecting seat, 11-connecting rod, 12-clamping piece seat, 13-upper adjusting screw, 1301-spanner position, 14-adjusting fixing seat, 1401-left clamping arm, 1402-right clamping arm, 1201-left clamping piece, 1202-right clamping piece, 1203-clamping hole, 1101-connecting screw thread, 1102-limiting table, 15-anti-locking gasket, and,

6-Second damper, 16-movable damping sheet, 17-second damping screw, 601-left clamping sheet, 602-right clamping sheet, 18-adjusting base, 19-first plug-in block, 20-polygonal clamping block, 21-polygonal concave hole, 22-damping axle center, 23-second limit groove 23, 24-clamping groove

7-Upper telescopic rod, 25-clamping spring seat, 26-clamping spring, 27-clamping spring lock hole, 2501-clamping head, 2502-spring hole and 2503-V-shaped spring plate.

8-First damper, 28-second plug block, 29-third plug block, 30-left fixed frame ring, 31-right fixed frame ring, 32-fixed frame core, 33-bulge, 34-prying opening, 35-damping female part, 36-damping male part, 37-clamping notch, 54-damping dust cover and 55-first damping screw

9-Third damper, 10-fourth damper, 38-fourth plug-in block, 39-rotating shaft, 40-rotating table, 41-locking block

The device comprises a 3-fixing piece, a 42-upper table clamp, a 43-lower table clamp, a 44-side clamp seat, a 45-steering damping piece, a 46-fourth damping screw, a 47-locking groove, a 48-sliding seat, a 49-sliding block, a 50-left sliding body, a 51-right sliding body, a 52-sliding groove, a 56-lower adjusting screw, a 57-screw driver placing groove and a 58-standby screw.

53-Wire clip, 5301-locking piece seat, 5302-jacket, 5303-locking piece slot.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

Reference is made to fig. 1-14.

The invention provides a cantilever bracket, which comprises a rotary lower arm 1 and a rotary upper arm 2, wherein one end of the rotary lower arm 1 is rotationally connected with the rotary upper arm 2, the other end of the rotary lower arm is connected with a fixing piece 3 for fixing the cantilever bracket on a table top, one end of the rotary upper arm 2 is rotationally connected with the rotary lower arm 1 through a first damper 8, the other end of the rotary upper arm 2 is rotationally connected with a connecting seat 5 for connecting a microphone bracket through a second damper 6, in particular, a lower telescopic rod 4 for telescopic sliding in the rotary lower arm 1 is further arranged between the rotary lower arm 1 and the first damper 8, and an upper telescopic rod 7 for telescopic sliding in the rotary upper arm 2 is further arranged between the rotary upper arm 2 and the second damper 6.

It is to be added that the rotary connection described above and below can be with a rotary shaft between the two or with a rotatable device, here preferably a damper.

Specifically, the connecting seat 5 comprises a connecting rod 11, a clamping piece seat 12, an upper adjusting screw 13 and an adjusting fixed seat 14, one side of the adjusting fixed seat 14 is rotationally connected with the second damper 6, the other end is provided with a left clamping arm 1401 and a right clamping arm 1402 for clamping the clamping piece seat 12, through holes are respectively arranged on the left clamping arm 1401 and the right clamping arm 1402, the clamping piece seat 12 is arranged between the left clamping arm 1401 and the right clamping arm 1402, the clamping piece seat 12 comprises a left clamping piece 1201 and a right clamping piece 1202 which are arranged in a separated mode, the upper parts of the left clamping piece 1201 and the right clamping piece 1202 are recessed inwards and outwards to form a clamping hole 1203 capable of clamping the connecting rod 11, one end of the connecting rod 11 is inserted into the clamping hole 1203 of the clamping piece seat 12, the other side of the connecting rod 11 is provided with a connecting thread 1101 for connecting a microphone bracket, a limiting table 1102 for preventing excessive tightening is further arranged between the connecting thread 1101 and a connecting rod 11 body, that is, if the threaded hole at the bottom end of the microphone bracket is too deep, the threaded hole is easy to be screwed down all the time, so that the threaded hole on the connecting rod 11 is used for screwing a sliding wire, thereby damaging the threaded hole and affecting the durability, and the limiting table 1102 is not added, the left clamping piece 1201 and the right clamping piece 1202 are respectively provided with a through hole, the upper adjusting screw 13 sequentially penetrates through the through holes on the right clamping arm 1402, the right clamping piece 1202, the left clamping piece 1201 and the left clamping arm 1401 and is screwed with a nut, the rotary connection of the clamping piece seat 12 and the adjusting fixing seat 14 is realized, preferably, the nut is a hexagon nut, the through hole on the left clamping arm 1401 is a hexagon through hole, the hexagon screw is embedded into the hexagon through hole, the upper adjusting screw 13 is further provided with a screw handle, the screwing handle can be screwed down without realizing the screwing down and unscrewing of the upper adjusting screw 13, preferably, the edge of the handle of the upper adjusting screw 13 is provided with two wrench positions 1301 for preventing sliding in a anticlockwise manner, the wrench position 1301 can be easily and conveniently broken by two hands after the screws are excessively screwed and as anti-skid patterns, or can be used for screwing or unscrewing the upper adjusting screw 13 by a wrench when the two hands cannot be broken, because the two hands are relatively easy to break when the upper adjusting screw 13 is made of plastic materials, but when the large-sized five-stage microphone bracket is designed, the connecting rod 11 needs to be fixed by a large force when the upper adjusting screw 13 made of metal materials is adopted, so that the upper adjusting screw 13 needs to be screwed by a large force when the upper adjusting screw 13 is made of metal materials, and preferably, anti-lock gaskets 15 for preventing locking are arranged between the left clamping piece 1201 and the left clamping arm 1402 and between the right clamping piece 1202, and the anti-lock gaskets 15 are made of plastic materials.

Specifically, the second damper 6 is a 360-degree horizontal rotary damper, and comprises a movable damping sheet 16, a second damping screw 17, a left clamping sheet 601, a right clamping sheet 602 and an adjusting base 18, one end of the adjusting base 18 is provided with a first inserting block 19 for being inserted into the rotary upper arm 2, the first inserting block 19 is provided with a screw hole, the corresponding position of the rotary upper arm 2 is also provided with a screw hole, the outer diameter of the rotary upper arm 2 is larger than the diameter of the first inserting block 19, the first inserting block 19 is inserted into the end of the rotary upper arm 2 and fixed by a screw, the other end of the adjusting base 18 is provided with a polygonal clamping block 20 for clamping the right clamping sheet 602, the polygonal clamping block 20 is preferably a quadrilateral, the right clamping sheet 602 and the polygonal clamping block 20 are provided with polygonal concave holes 21 just clamped with the polygonal clamping block 20, the right clamping sheet 602 and the polygonal clamping block 20 have the same thickness, one side of the polygonal clamping block 20 is provided with a damping axis 22 for rotating the movable damping fin 16 and the adjusting fixed seat 14, one side of the damping axis 22 is provided with a second limit groove 23 which is clamped with a left clamping fin 601, the number of the second limit grooves 23 can be multiple, the second limit grooves are distributed circumferentially around the end part of the damping axis 22, the left clamping fin 601 is internally provided with a plurality of clamping grooves 24 which are clamped with the second limit groove 23, the clamping grooves 24 can be distributed circumferentially around the inner hole of the left clamping fin 601, the seat body of the adjusting fixed seat 14 is provided with a cylindrical groove, the diameter of the cylindrical groove is larger than the diameter of the left clamping fin 601 and the diameter of the movable damping fin 16, the bottom of the cylindrical groove is provided with a through hole which just can pass through the damping axis 22, the end part of the damping axis 22, which is close to the second limit groove 23, of the second damping screw 17 sequentially passes through the through hole of the left clamping fin 601, the through hole of the movable damping fin 16 and the through hole at the bottom of the cylindrical groove of the adjusting fixing seat 14 reach the threaded hole of the damping axis 22 to realize screwing, and because the left clamping piece 601 is clamped with the second limiting groove 23 at the outer side of the damping axis 22, the right clamping piece is clamped with the polygonal clamping block 20, and only the cylindrical groove end face of the adjusting fixing seat 14 is just tightly attached to the right clamping piece 602 but not clamped, the movable damping fin 16 is not clamped, so that the adjusting fixing seat 14 can rotate, the movable damping fin 16 just plays a damping effect, and the left clamping piece 601 and the right clamping piece 602 are preferably made of plastic materials, the friction coefficient of the plastic materials is large, so that the damping effect is large, and the damping effect is better as long as the screwing degree of the second damping screw 17 is larger, so that the rotation of the second damper 6 can be realized.

Specifically, slide in the pipe of rotatory upper arm 2 and be provided with telescopic link 7, the tip cover that upper telescopic link 7 is close to mounting 3 one end is equipped with jump ring seat 25 this moment, install the jump ring 26 that opens towards the direction of second attenuator 6 in the jump ring seat 25, jump ring seat 25 has seted up the shell fragment hole 2502 that inserts and establish V-arrangement shell fragment and use towards the one end of second attenuator 6, jump ring 26 includes V-arrangement shell fragment 2503 and is located the dop 2501 of two shell fragment end positions of V-arrangement shell fragment 2503, upper telescopic link 7 has offered the through-hole that supplies jump ring 26's dop 2501 to stretch out in one side that is close to jump ring seat 25, the external diameter of jump ring seat 25 is greater than the external diameter of telescopic link, and the external diameter of upper telescopic link 7 is less than the external diameter of rotatory upper arm 2, and rotatory upper arm 2 is kept away from first attenuator 8 this moment one end and is provided with jump ring lockhole 27, and the jump ring seat 25 external diameter is less than the external diameter of upper rotary upper arm 2, and jump ring seat 25 slides in rotatory upper arm 2, when sliding to jump ring 27's dop 1 just the dop 2501 of jump ring, the jump ring is just need not to slide in the jump ring 2501 and the telescopic link 2501 need be stretched out in order to realize the telescopic link 2501 and just to stretch out in the telescopic link 2501, and just need the telescopic link 2 is realized in the telescopic link is more than the telescopic link 2501.

It should be added that here the first plug-in block 19 on the right side of the second damper 6 can be plugged into the upper telescopic rod 7, as a further embodiment the first plug-in block 19 on the right side of the second damper 6 can also be plugged into the swivel upper arm 2.

Specifically, the first damper 8 is a folding damper, the rotary upper arm 2 makes steering or folding movement on the same plane by taking the rotary lower arm 1 as a reference through the first damper 8, one side of the first damper 8 is provided with a second plug-in block 28 for being plugged with the rotary upper arm 2, the other side of the first damper 8 is provided with a third plug-in block 29 for being plugged and fixed with the rotary lower arm 1, the second plug-in block 28 and the third plug-in block are respectively provided with screw holes, the first damper 8 comprises a left fixed frame ring 30, a right fixed frame ring 31, a damping dust cover 54, a damping female part 35, a damping male part 36, a fixed frame core 32 and a first damping screw 55, the second plugging block 28 is symmetrically provided with a left fixed frame ring 30 and a right fixed frame ring 31 at one side far away from the rotary upper arm 2, a fixed frame core 32 is coaxially arranged in the middle of the left fixed frame ring 30 and the right fixed frame ring 31, the lower end of the fixed frame core 32 is fixedly connected with a third plugging block 29, both sides of the fixed frame core 32 are respectively recessed from outside to inside to form a conical groove, a through hole is arranged between the two conical grooves of the fixed frame core 32, the left fixed frame ring 30 and the right fixed frame ring 31 are respectively formed into a cylindrical groove from outside to inside, big round holes are formed at the end face of the cylindrical groove, protrusions 33 are circumferentially distributed on the hole ring of each big round hole, prying openings 34 are respectively arranged at the outer side edge positions of the left fixed frame ring 30 and the right fixed frame ring 31, the damping shield 54 is pried when convenient maintenance, both sides of the fixed frame core 32 are respectively provided with a damping female part 35 and a damping male part 36, the outer edges of the joint ends of the damping female part 35 and the damping male part 36 are respectively provided with a pair of clamping notches 37 which can be clamped with the bulges 33 on the inner sides of the large round holes, the centers of the damping female part 35 and the damping male part 36 are respectively provided with a through hole coaxial with the large round holes, the outer sides of the damping female part 35 are provided with polygonal nut placing grooves, the polygonal nut placing grooves are preferably hexagonal nut placing grooves, the outer diameters of the polygonal nut placing grooves are larger than the diameters of the through holes, the outer sides of the damping male parts 36 are provided with screw cap placing grooves, and the first damping screws 55 respectively penetrate through the damping male parts 36, The right fixed frame ring 31, the fixed frame core 32 and the through holes of the damping female part 35 are in threaded connection with nuts positioned in polygonal placing grooves on the outer side of the damping female part 35, so that the assembly of the first damper 8 is realized, the fixed frame core 32 is a round truncated cone with a circular outer contour, two sides of the fixed frame core 32 are respectively recessed from outside to inside to form a conical hole groove, the first damping screw 55 sequentially penetrates through the through holes of the damping female part 35, the big circle of the right fixed frame core 32 (at the moment, the clamping and notch of the damping male part 36 are clamped at the convex 33 of the right fixed frame ring 31), the through holes of the fixed frame core 32, the big circle of the left fixed frame ring 30 and the through holes of the damping female part 35 (at the moment, the clamping and notch of the damping female part 35 are clamped at the convex 33 of the left fixed frame ring 30), then arrive and lie in the polygonal standing groove of the damping female part 35 and screw-threaded connection with nut in the groove, realize the assembly of the first damper 8, at this moment, because damping male part 36 and damping female part 35 are blocked by right solid frame ring 31 and left solid frame ring 30 separately, but damping male part 36 and damping female part 35 have conical surface, just cooperate with conical groove on both sides of the solid frame core 32, so only solid frame core 32 can rotate about first damping screw 55, and damping male part 36 and damping female part 35 all act as the damping to increase the friction, meanwhile, the second plug-in block 28 drives the rotary upper arm 2 to rotate around solid frame core 32.

Specifically, the lower telescopic rod 4 is slidably arranged in the tube of the rotary lower arm 1, the end part of the lower telescopic rod 4 close to one end of the fixing piece 3 is sleeved with the clamping spring seat 25, a clamping spring which is forked towards the direction of the first damper 8 is installed in the clamping spring seat 25, a through hole which is used for extending out of a clamping head 2501 of the clamping spring is formed in one side, close to the clamping spring seat 25, of the lower telescopic rod 4, the outer diameter of the clamping spring seat 25 is larger than the outer diameter of the lower telescopic rod 4, the outer diameter of the lower telescopic rod 4 is smaller than the outer diameter of the rotary lower arm 1, one end, close to the first damper 8, of the rotary lower arm 1 is provided with the clamping spring lock hole 27, the clamping spring seat 25 slides in the rotary lower arm 1 along with the lower telescopic rod 4, when the clamping spring lock hole 27 slides, the clamping spring 2501 is just clamped at the clamping spring lock hole 27, telescopic positioning is achieved, the clamping head 2501 of the clamping spring can not slide again when the sliding is required to be released, the clamping head 2501 of the clamping spring is required to be pressed into the tube of the rotary upper arm 2, and the upper arm 2 is provided with a plurality of pairs of clamping springs 27, and the upper telescopic arms can slide in the rotary upper arm 2 like a plurality of positions.

Specifically, rotatory lower arm 1 and mounting 3 pass through third attenuator 9 swivelling joint, the one end that rotatory lower arm 1 is close to mounting 3 is equipped with third attenuator 9, the lower extreme of third attenuator 9 is equipped with and is used for the fourth attenuator 10 with mounting 3 swivelling joint, specifically speaking, be equipped with at the upper end of third attenuator 9 with rotatory lower arm 1 peg graft fixed fourth joint piece 38, and by the screw locking, be equipped with the axis of rotation 39 of fourth attenuator 10 at the lower extreme of third attenuator 9, the lower extreme of axis of rotation 39 is equipped with rotation platform 40, rotation platform 40 is circular table form, the below of rotation platform 40 is equipped with lock joint piece 41, mounting 3 includes upper table clamp 42 and lower table clamp 43, side clamp 44, the below of upper table clamp 42 is equipped with lower table clamp 43, side clamp 44 is located one side of upper table clamp 42 and lower table clamp 43 and is perpendicular with upper table clamp 43, upper table clamp 42, and side clamp 44 become the space thickness and just equals that the upper table clamp 44 is equipped with the axis of rotation 39, the side clamp 45 is equipped with the cylinder groove 45 and is equipped with the side of turning to realize between the side of turning to be equipped with the side of side clamp 45, the cylinder groove 45 and the side 45 between the side of turning to realize the side of rotating table clamp 4, the cylinder groove is equipped with the side 45 and the side of turning to realize the side of the cylinder groove of rotating clamp 45.

Specifically, a sliding seat 48 is disposed on one side of the lower bench clamp 43, sliding blocks 49 are longitudinally disposed on two sides of the sliding seat 48, threaded holes for screwing and matching with lower adjusting screws 56 are disposed on the sliding seat 48, the side clamp seat 44 comprises a left sliding body 50 and a right sliding body 51, the left sliding body 50 and the right sliding body 51 form concave sliding grooves 52 from inside to outside, the sliding grooves 52 are distributed from top to bottom, when the sliding grooves reach the top, the sliding grooves are limited by clamping pieces of the upper bench clamp 42, the lower bench clamp 43 cannot slide in a transitional manner, a screw hole is disposed on one side, close to the left sliding body 51, of the upper bench clamp, the lower adjusting screws 56 penetrate through the screw hole and penetrate out to a space formed by the left sliding body and the right sliding body 51 to reach the threaded holes on the sliding seat 48, and in the screwing or unscrewing process of the lower adjusting screws 56, the sliding blocks 49 on two sides of the sliding seat 48 can just move up and down on the sliding grooves 52, so that the upper bench clamp is driven to change the upper bench position. The sliding block 49 is just matched with the sliding groove 52 on the left and right sliding body 51 in a sliding way, the outer diameter of the sliding seat 48 is smaller than the space formed by the left and right sliding body 51, when the adjusting screw 56 is screwed down, the sliding seat 48 can rise along with the rising of the sliding block 49, so that the lower clamping plate is driven to rise, and the tabletop is clamped, a screw driver placing groove 57 is formed in one side of the left sliding body 50 or the right sliding body 51 from the upper end along the direction of the sliding groove 52, a standby screw driver 58 is arranged in the screw driver placing groove 57, preferably the standby screw driver is an L-shaped hexagonal screw driver, one end of the screwdriver with the screw driver is inserted into the screw driver placing groove, the other end of the screwdriver is left on the groove, and preferably the groove top of the screw driver placing groove is provided with a groove edge distributed along the groove edge for preventing the standby screw driver from being blocked.

Specifically, the upper telescopic rod 7, the rotary upper arm 2, the rotary lower arm 1 and the lower telescopic rod 4 are respectively and movably provided with a wire clamp 53 for wire routing, the wire clamp 53 is a sleeve or a clamp 5302, the clamp 5302 is externally provided with an open fork clamp capable of clamping wires, preferably, the wire clamp 53 can be fixed or can slide when being distributed on the upper telescopic rod 7, the lower telescopic rod 4, the rotary upper arm 2 or the rotary lower arm 1, screw holes are required to be arranged at corresponding installation positions if the wire clamp is fixed, the wire clamp 53 preferably comprises a locking plate seat 5301 and a clamp 5302 which is arranged at the upper end of the locking plate seat 5301 and is used for locking a locking plate groove 5303 for locking the microphone clamp, and is formed by concave inward in a sandwich layer of the locking plate seat, the locking plate groove 5303 is formed by inwards sinking the four sides of the sleeve of the wire clamp, a reverse hook is arranged in the locking plate groove 5303 and used for placing the wire clamp to fall off, the wire clamp can be used for locking the wire clamp of the microphone, normally, when the microphone wire is overlong, the wire clamp can be used for clamping the wire clamp 53 of the patent, the wire clamp 53 of the patent is used for wiring, the wire clamp of the microphone is used for clamping the microphone when the microphone is overlong, and the wire clamp is frequently lost when the microphone is used at ordinary times, so that the locking plate groove 5303 is arranged on the wire clamp, the wire clamp is conveniently used up, the wire clamp is directly locked in the locking plate groove 5303, the reverse hook is arranged at the outer edge of the locking plate groove 5303 in a turned mode into the groove body, and the wire clamp is placed to slide down.

(1) The invention has the whole application principle that: the fixing piece 3 is fixed on a tabletop, the lower adjusting screw 56 is firstly unscrewed, the height between the lower table clamp 43 and the upper table clamp 42 is increased, then the lower table clamp 43 is inserted into the tabletop from a notch, then the lower adjusting screw 56 is screwed, the tabletop is clamped along with the screwing of the adjusting screw, then the whole cantilever is aligned to the direction to be operated by utilizing the horizontal rotation of the fourth damper 10, if the whole cantilever is too high, the lower rotating arm 1 or the upper rotating arm 2 can be folded to rotate through the folding rotation of the third damper 9 or the first damper 8, and if the lower rotating arm is not long enough, the upper telescopic rod 7 or the lower telescopic rod 4 can be pulled until the clamping head 2501 of the clamping spring is clamped at the clamping spring lock hole 27, and the clamping spring lock hole 27 of the invention can be distributed in an array mode in the upper rotating arm 2 or the lower rotating arm 1, so that the clamping head 2501 is clamped in multiple gears, and the adjustment of multiple lengths of the telescopic rod is realized.

(2) Principle of assembly of the second damper 6: the first plug-in block 19 on the adjusting base 18 is inserted into the rotating upper arm 2 (the upper telescopic rod is inserted if the embodiment of the upper telescopic rod is provided), then the first plug-in block 19 and the screw hole on the rotating upper arm 2 are aligned by a screw to fix the positions, (a wire clamp is required to be installed), then the right clamping piece 602 is clamped into the polygonal clamping block 20 on the adjusting base 18, then the adjusting fixing base 14 is sleeved into the damping shaft center 22 from one side with a through hole to reach the right clamping piece 602, then the movable damping piece 16 is placed into the cylindrical groove side of the adjusting fixing base 14, sleeved into the damping shaft center 22, is tightly attached to the bottom of the cylindrical groove, then the left clamping piece 601 is installed into the cylindrical groove side of the adjusting fixing base 14, the left clamping piece Kong Caoka is installed into the second limiting groove 23 at the end part of the damping shaft center 22, then the damping screw is installed into the circular groove side, and directly reaches the screw hole of the damping shaft center 22, and the adjusting fixing base 14, the left clamping piece 601 and the movable damping piece 16 are rotatably fixed on the adjusting base 18.

(3) Principle of assembly of the first damper 8: the first damper 8 is a folded or folded rotary damper, the rotary upper arm 2 performs folding movement on the same plane by taking the rotary lower arm 1 as a reference through the first damper 8, the first damping screw 55 respectively penetrates through the through holes of the damping male part 36, the right fixed frame ring 31, the fixed frame core 32 and the damping female part 35 to be in threaded connection with a nut positioned in a polygonal placing groove on the outer side of the damping female part 35, so that the first damper 8 is assembled, and the structure of the third damper 9 is the same as that of the first damper 8.

(4) Principle of assembly of the fourth damper 10: the fourth damper 10 and the second damper 6 have the same efficacy and are all horizontal 360-degree steering dampers, 360-degree rotation of the connecting seat 5 can be realized, so that the microphone is driven to rotate left and right, the connecting seat 5 can be connected with a mobile phone support or a light supplementing lamp and other accessories, the application range is not limited, when the fourth damper 10 is assembled, the rotating shaft 39 positioned below the third damper 9 is inserted into the direction of a cylindrical groove on the upper bench clamp 42, the rotating table 40 is arranged below the rotating table 40, the locking block 41 is arranged below the rotating table 40, penetrates through a slotted hole of the cylindrical groove and is locked with the locking groove 47 of the steering damper 45 positioned below the cylindrical groove body, the outer side of the steering damper 45 is provided with a conical groove body from outside to inside, the steering damper 45 is provided with a through hole, the rotating shaft 39 is also provided with a threaded hole, and one threaded end of the fourth damper screw 46 penetrates through the steering damper 45 and the circular groove to reach the threaded hole positioned below the rotating shaft 39 and is screwed with the threaded hole, so that the fourth damper 10 is assembled, and the horizontal rotation between the fourth damper 10 and the rotating arm 1 can be realized.

The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.

Claims (6)

1. A cantilever support, includes rotatory lower arm and rotatory upper arm, its characterized in that: one end of the rotary lower arm is rotationally connected with the rotary upper arm, the other end of the rotary lower arm is connected with a fixing piece for fixing the cantilever bracket on a tabletop, one end of the rotary upper arm is rotationally connected with the rotary lower arm through a first damper, the other end of the rotary upper arm is rotationally connected with a connecting seat for connecting a microphone bracket through a second damper, the second damper is a 360-degree horizontal rotary damper and comprises a movable damping sheet, a second damping screw, a left clamping sheet, a right clamping sheet and an adjusting base, one end of the adjusting base is provided with a first plug-in block for being plugged with the rotary upper arm, the other end of the adjusting base is provided with a polygonal clamping block used for clamping the right clamping piece, a polygonal concave hole just clamped with the polygonal clamping block is arranged in the right clamping piece, one side of the polygonal clamping block is provided with a damping axle center used for the movable damping piece and adjusting the fixing seat to rotate, one side of the damping axle center is provided with a second limit groove clamped with the left clamping piece, the left clamping piece is internally provided with a clamping groove clamped with the second limit groove, the base body of the adjusting fixing seat is provided with a cylindrical groove, the diameter of the cylindrical groove is larger than the diameter of the left clamping piece and the diameter of the movable damping piece, the bottom of the cylindrical groove is provided with a through hole just capable of passing through the damping axle center, the end part of the damping axle center, which is close to the second limit groove, is provided with a threaded hole for a damping screw to pass through, an upper telescopic rod is arranged in the pipe of the rotary upper arm in a sliding manner, a clamping spring seat is sleeved at the end part of the upper telescopic rod, which is close to one end of the fixing piece, a clamping spring seat is arranged in the clamping spring seat, a clamping spring hole for inserting a V-shaped elastic sheet is arranged at one end of the clamping spring seat, which is close to the second damper, the clamping spring seat comprises a V-shaped elastic sheet and clamping heads connected with the two elastic sheet ends of the V-shaped elastic sheet, a through hole for the clamping spring to extend out is arranged at one side, which is close to the clamping spring seat, of the upper telescopic rod, a clamping spring lock hole is arranged at one end, which is far away from the first damper, of the upper telescopic rod, the outer diameter of the clamping spring seat is smaller than that of the upper rotary upper arm, the clamping spring seat slides along the upper telescopic rod in the rotary upper arm, when the clamping spring slides to the clamping spring lock hole, the clamping head of the clamping spring is just clamped at the clamping spring lock hole, the first damper is a folding rotary damper, one side of the first damper is provided with a second plug-in block used for being plugged with the rotary upper arm, the other side of the first damper is provided with a third plug-in block used for being plugged and fixed with the rotary lower arm, one side of the second plug-in block, far away from the rotary upper arm, is symmetrically provided with a left fixed frame ring and a right fixed frame ring, the centers of the left fixed frame ring and the right fixed frame ring are coaxially provided with a fixed frame core, the lower end of the fixed frame core is fixedly connected with the third plug-in block, both sides of the fixed frame core are outwards and inwards sunken to form conical grooves, a through hole is arranged between the two conical grooves of the fixed frame core, the left and right fixed frame rings are respectively formed into a cylindrical groove from outside to inside, a large round hole is formed in the end face of the cylindrical groove, a bulge is arranged on the hole ring of each large round hole, prying openings are respectively arranged at the outer edge positions of the left and right fixed frame rings, two sides of the fixed frame core are respectively provided with a damping female part and a damping male part, the outer edges of the joint ends of the damping female part and the damping male part are respectively provided with a pair of clamping notches which can be clamped with the bulges at the inner sides of the large round holes, through holes coaxial with the large round holes are respectively arranged at the centers of the damping female part and the damping male part, a lower telescopic rod is arranged in a sliding manner in a tube of a rotary lower arm, a clamping spring seat is sleeved at the end part of the lower telescopic rod, which is close to one end of the fixing part, the clamping spring seat is internally provided with a clamping spring which is split towards the direction of the first damper, one side of the lower telescopic rod close to the clamping spring seat is provided with a through hole which is used for the clamping head of the clamping spring to stretch out, one end of the lower rotary arm close to the first damper is provided with a clamping spring lock hole, the outer diameter of the clamping spring seat is smaller than that of the lower rotary arm, the clamping spring seat slides in the lower rotary arm along with the lower telescopic rod, and when the clamping spring lock hole slides, the clamping head of the clamping spring is just clamped at the clamping spring lock hole to realize telescopic positioning.

2. A cantilever according to claim 1, wherein: the lower telescopic rod used for telescopic sliding in the rotary lower arm is further arranged between the rotary lower arm and the first damper, and the upper telescopic rod used for telescopic sliding in the rotary upper arm is further arranged between the rotary upper arm and the second damper.

3. A cantilever according to claim 1, wherein: the connecting seat comprises a connecting rod, a clamping piece seat, an upper adjusting screw and an adjusting fixing seat, wherein one side of the adjusting fixing seat is rotationally connected with a second damper, the other end of the adjusting fixing seat is provided with a left clamping arm and a right clamping arm which are used for clamping the clamping piece seat, through holes are formed in the left clamping arm and the right clamping arm, the clamping piece seat is arranged between the left clamping arm and the right clamping arm, the clamping piece seat comprises two left clamping pieces and right clamping pieces which are arranged in a separated mode, the upper parts of the left clamping pieces and the right clamping pieces are recessed outwards from inside to outside to form clamping holes capable of clamping the connecting rod, one end of the connecting rod is inserted into the clamping holes of the clamping piece seat, the other side of the connecting rod is provided with connecting threads used for connecting a microphone bracket, a limiting table used for preventing excessive tightening is further arranged between the connecting threads and the connecting rod body, the left clamping pieces and the right clamping pieces are all provided with through holes, the upper adjusting screw sequentially penetrates through the right clamping arm, the right clamping pieces, the left clamping pieces and the left clamping pieces are tightly screwed with nuts, the through holes on the left clamping pieces are tightly connected with the adjusting fixing seat, and the handle of the adjusting fixing seat are provided with a wrench.

4. A cantilever according to claim 1, wherein: the lower end of the rotary lower arm is close to one end of the fixing piece and is provided with a third damper, the lower end of the third damper is provided with a fourth damper which is used for being connected with the fixing piece in a rotating mode, the upper end of the third damper is provided with a fourth plug-in block which is fixedly connected with the rotary lower arm in a plug-in mode, the lower end of the third damper is provided with a rotating shaft of the fourth damper, the lower end of the rotating shaft is provided with a rotating table, the lower part of the rotating table is provided with a locking block, the fixing piece comprises an upper table clamp, a lower table clamp and a side clamp seat, the lower table clamp is arranged below the upper table clamp, the side clamp seat is located on one side of the upper table clamp and the lower table clamp and is perpendicular to the upper table clamp, two sides of one end of the upper table clamp far away from the side clamp seat are respectively provided with a cylindrical groove body, a round hole is formed between the two cylindrical groove bodies, the lower end of the upper table clamp is provided with a steering damping piece, the upper end of the steering damping piece is provided with a locking groove which is locked with the locking block, and the steering damping piece is provided with a through hole.

5. A cantilever according to claim 4, wherein: the screw driver is characterized in that a sliding seat is arranged on one side of the lower bench clamp, sliding blocks are arranged on two sides of the sliding seat, screw holes for screwing down adjusting screws are formed in the sliding seat, the side clamp seat comprises a left sliding body and a right sliding body, concave sliding grooves are formed in the left sliding body and the right sliding body from inside to outside, screw holes are formed in one side of the upper bench clamp, which is close to the left sliding body and the right sliding body, the lower adjusting screws penetrate through the screw holes and penetrate out to reach the screw holes formed in the left sliding body and the right sliding body, the sliding blocks on two sides of the sliding seat just can be displaced up and down on the sliding grooves in the screwing down or unscrewing process of the lower adjusting screws, so that the upper clamping bench is driven to change up and down on the upper clamping bench position, and a spare screw is arranged in a screw driver placing groove and a screw driver placing groove formed in one side of the left sliding body or the right sliding body along the direction of the sliding grooves.

6. A cantilever according to claim 2, wherein: the wire clamp comprises a lock plate seat sleeved on a corresponding rod body, a clamping sleeve positioned on the lock plate seat and used for clamping a wire, and a lock plate groove positioned in the lock plate seat and used for locking the microphone wire clamp, wherein a reverse hook is arranged in the groove body of the lock plate groove, a through hole is formed in the lock plate seat, and the through hole is just used for the corresponding rod body to pass through.