CN104654211A - Mounting fixing device for universal regulating mechanism of lamp - Google Patents

Abstract

An installation and fixing device for a universal adjustment mechanism of a lamp, comprising: a bottom plate; a support frame installed on the bottom plate, with a guide cylinder at one end and a mounting groove at the other end; a handle with an L-shaped structure, one end of which is connected to the The two side walls of the installation groove are rotatably connected; the pressure rod is slidably passed through the guide cylinder, one end is rotatably connected with the corner of the handle through the two connecting rods, and the other end is provided with an upper limit block; the bottom fixing plate is connected with one end and The bottom plate is vertically fixedly connected, and is provided with a lower limit block corresponding to the upper limit block; one end of the side fixed plate is connected to one side of the bottom fixed plate, and the side of one end is provided with a receiving groove, and the end surface is provided with a limit block. The through hole through which the groove runs through; the adjusting screw rod is threaded through the through hole and screwed to the bottom fixing plate; the side limit block is sleeved on the adjusting screw rod and threadedly matched with the adjusting screw rod. The installation and fixing device of the universal adjustment mechanism of the above-mentioned lamp has high efficiency in installing the microphone tube and the rubber handle, and can avoid tearing the rubber handle.

Description

Installation and fixing device for the universal adjustment mechanism of lamps and lanterns

【Technical field】

The invention relates to a mounting and fixing device for a lamp, in particular to a mounting and fixing device for a universal adjustment mechanism of a lamp.

【Background technique】

In the field of professional lighting, mobile lamps often use microphone tubes and handles to achieve the purpose of universal direction adjustment, but the existing industry often uses this structure to cause rubber handles and microphone tubes to be installed. If it is not effectively fixed, the handle will be torn and torn during the installation process, which will eventually lead to high manufacturing costs and low installation efficiency.

【Content of invention】

In view of the above situation, it is necessary to provide an installation and fixing device for the universal adjustment mechanism of the lamp which has high installation efficiency and can avoid tearing of the rubber handle.

An installation and fixing device for a universal adjustment mechanism of a lamp, the universal adjustment mechanism of the lamp includes a freely bendable microphone tube and a rubber handle sleeved on the microphone tube, and the installation and fixation device includes:

floor;

A support frame installed on the bottom plate, one end of the support frame is provided with a guide cylinder, and the other end is provided with a mounting groove, and the mounting groove has two parallel and opposite side walls;

It is a handle with L-shaped structure, one end of the handle is a connection end, the other end is a handle end, the connection end is flat, and the connection end is installed in the installation groove, parallel to the side of the installation groove The connecting end is rotatably connected to the two side walls of the installation groove through a rotating shaft, so that the connecting end can rotate around the rotating shaft in the installing groove;

The pressure rod of the guide cylinder is slidably passed through, one end of the pressure rod is rotatably connected with the corner of the handle through two connecting rods, and the other end is provided with an upper limit block, and the upper limit block is provided with an upper limit bit slot;

One end of the bottom fixed plate is vertically fixedly connected to the bottom plate, the bottom fixed plate is provided with a lower limit block corresponding to the upper limit block, the lower limit block is provided with a lower limit groove, and the lower limit groove is connected to the upper limit block. The upper limit groove is used for clamping one end of the microphone tube up and down;

One end is connected to one side of the bottom fixing plate and is provided with a side fixing plate corresponding to the lower limit block. The side fixing plate is provided with a side fixing plate opposite to the bottom fixing plate. An accommodating groove at one end of the accommodating groove, the accommodating groove is narrow and long, and extends along the axial direction of the side fixing plate, and the end surface of the end of the side fixing plate opposite to the bottom fixing plate is provided with the The through hole through which the above-mentioned limiting groove runs;

An adjusting screw that passes through the through hole and is screwed to the bottom fixing plate, the adjusting screw is arranged along the length direction of the accommodating groove, and one end is exposed outside the accommodating groove, the adjusting screw One end exposed to the accommodating groove is provided with a rotating part, through which the adjusting screw can be driven to make the adjusting screw rotatable in the accommodating groove; and

A side limit block sleeved on the adjustment screw and threadedly engaged with the adjustment screw, the side limit block is used to limit the other end of the microphone tube so that the microphone tube The side limit block, the upper limit block and the lower limit block are straightened under the limit action;

Wherein, the handle is rotated, and the handle drives the pressing rod to move toward the bottom fixing plate, so that the upper limit block and the lower limit block clamp one end of the microphone tube together; , the rotating part drives the adjusting screw to rotate, and the side limiting block is threadedly matched with the adjusting screw to move in translation relative to the adjusting screw, so that the side limiting block tightens the microphone tube another side.

The installation and fixing device of the universal adjustment mechanism of the lamp clamps one end of the microphone tube through the upper limit block of the pressure rod and the lower limit position of the bottom fixing plate, and the other end of the microphone tube is tightened by the limit block located on the side fixing plate, thereby Straighten the microphone tube to prevent the rubber handle from being bent arbitrarily and tear the rubber handle so that it is convenient to set the rubber handle on the microphone tube; and drive the pressure rod through the handle so that the upper limit block of the pressure rod and the lower limit of the bottom fixing plate The position block is aligned or separated, and the side stop block is moved by adjusting the screw to tighten or loosen the microphone tube, so that the microphone tube can be positioned conveniently. Therefore, the installation and fixing device of the universal adjustment mechanism of the above-mentioned lamp has higher efficiency in installing the microphone tube and the rubber handle, and can avoid tearing the rubber handle.

In one of the embodiments, it also includes a fixing seat, a butterfly screw and a fixing piece, the fixing seat is arranged at the end of the bottom fixing plate opposite to the bottom plate, the fixing seat is an L-shaped structure, and the One end of the fixing seat is arranged perpendicular to the bottom fixing plate, so that the other end of the fixing seat is arranged at intervals parallel to the bottom fixing plate; the threaded end of the butterfly screw passes through the fixing seat and is parallel to the bottom One end of the fixed plate, and screwed with the fixed seat; the fixed piece is located between the end of the fixed seat parallel to the bottom fixed plate and the bottom fixed plate, and the fixed plate is fixed on the The threaded end of the butterfly screw; when the butterfly screw is rotated, the butterfly screw is threadedly engaged with the fixing seat to move toward or away from the bottom fixing plate.

In one of the embodiments, the pressing rod includes a driving rod and a screw, one end of the driving rod is rotatably connected to the two connecting rods, and the end surface of the other end is provided with a screw extending along the axial direction of the driving rod. One end of the screw rod is inserted into the screw hole of the driving rod, and is threadedly engaged with the screw hole of the driving rod, and the other end is fixedly connected with the upper limit block.

In one of the embodiments, the upper limiting groove and the lower limiting groove are arc-shaped, and the upper limiting groove and the lower limiting groove can be spliced together to form a circular hole.

In one of the embodiments, the support frame is a U-shaped structure, the guide cylinder is arranged at one end of the support frame parallel to the bottom of the support frame, and two support pieces are provided at the other end of the support frame , the two supporting pieces are arranged in parallel and spaced apart to form the installation groove, and the rotating shaft passes through the two supporting pieces.

In one of the embodiments, the two connecting rods are an integrally formed sheet structure, and there are two two connecting rods; each of the two connecting rods includes two connecting fins and an isosceles trapezoidal bend. The two connecting fins are respectively connected to the two ends of the bent part, and extend parallel to the bottom of the bent part toward the outside of the bent part; the pressing bar and the two One end connected by two connecting rods is provided with a flat mounting lug, and the connecting fins of the two connecting rods are located on opposite sides of the mounting lug and the corner of the handle respectively, and pass through the pivot Can be rotatably connected.

In one of the embodiments, the handle end of the handle is fixedly covered with a rubber sleeve.

In one of the embodiments, one end of the straw is a regular polygonal limiting end, and the side limiting block is provided with a regular polygonal limiting hole corresponding to the shape of the limiting end of the straw, The limiting end of the microphone can be locked in the limiting hole by rotating a preset angle after passing through the limiting hole;

Alternatively, the side limit block is provided with an elastic clip, and one end of the microphone can be clamped in the elastic clip.

In one of the embodiments, one end of the side fixing plate is reversibly connected to the side of the bottom fixing plate through a hinge, and the side fixing plate can be turned towards the bottom plate until the side is fixed The plate is turned over to a position parallel to the bottom plate, and the side fixing plate can be reversed until the side fixing plate is turned over to a position flush with the bottom fixing plate.

In one of the embodiments, it also includes a slider and two threaded locks, the support frame is fixed on the slider, and two guide grooves arranged in parallel at intervals are provided on the bottom plate, and the two guide grooves The slots run through two opposite sides of the bottom plate, and the slider can slide along one of the sides; the two threaded locking pieces pass through the two chute respectively and connect with the slider screw. connected so that the two threaded fasteners position the slider on the base plate; The inside is slidable, so that the slider can freely slide along one of the sides, so that the support frame slides toward or away from the bottom fixing plate.

【Description of drawings】

Fig. 1 is a perspective view of the installation and fixing device of the universal adjustment mechanism of the lamp according to the embodiment of the present invention;

Fig. 2 is a side view of the installation and fixing device of the universal adjustment mechanism of the lamp shown in Fig. 1;

Fig. 3 is a side view from another angle of view of the installation and fixing device of the universal adjustment mechanism of the lamp shown in Fig. 1;

Fig. 4 is a bottom view from another angle of view of the installation and fixing device of the universal adjustment mechanism of the lamp shown in Fig. 1;

Fig. 5 is a partial exploded view of the installation and fixing device of the universal adjustment mechanism of the lamp shown in Fig. 1;

Fig. 6 is an exploded view of the adjusting screw of the installation and fixing device of the universal adjustment mechanism of the lamp shown in Fig. 1 .

【Detailed ways】

In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the understanding of the disclosure of the present invention more thorough and comprehensive.

It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for purposes of illustration only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to Fig. 1, the installation and fixing device 100 of the universal adjustment mechanism of lamps and lanterns according to an embodiment of the present invention is used for installing and positioning the universal adjustment mechanism of lamps and lanterns. The rubber handle on the microphone can position the microphone through the installation and fixing device 100, so that the rubber handle can be set on the microphone. The installation and fixing device 100 includes a bottom plate 110 , a support frame 120 , a handle 130 , a pressing rod 140 , a bottom fixing plate 150 , a side fixing plate 160 , an adjusting screw 170 , and a side limit block 180 .

The bottom plate 110 is used to carry the supporting frame 120 , specifically, in the illustrated embodiment, the bottom plate 110 is a long and narrow square flat plate. Certainly, in the present invention, the bottom plate 110 may also be a plate structure of other shapes.

The support frame 120 is installed on the base plate 110 . One end of the support frame 120 is provided with a guide cylinder 121 , and the other end is provided with a mounting groove 123 , and the mounting groove 123 has two parallel and opposite side walls.

Specifically in the illustrated embodiment, the support frame 120 is a U-shaped structure, the guide cylinder 121 is arranged on one end of the support frame 120 parallel to the bottom of the support frame 120, and the other end of the support frame 120 is provided with two support pieces 127, two Two supporting pieces 127 are arranged in parallel and at intervals to form a mounting groove 123 , and the rotating shaft passes through the two supporting pieces 127 . Since the guide cylinder 121 is arranged at one end of the support frame 120 parallel to the bottom of the support frame 120 , it is convenient to ensure that the guide cylinder 121 is arranged parallel to the bottom plate when the support frame 120 is installed on the bottom plate 110 . The other end of the support frame 120 is provided with two support pieces 127 , which can ensure that the handle 130 is always rotated parallel to the support pieces 127 .

Further, the installation and fixing device 100 further includes a sliding block 191 and two threaded locking pieces 193 . The support frame 120 is fixed on the slider 191 . The bottom plate 110 is provided with two parallel and spaced guide grooves 111 , the two guide grooves 111 run through two opposite sides of the bottom plate 110 , and the slider 191 can slide along one side. The two threaded locking pieces 193 respectively pass through the two slide slots and are screwed to the sliding block 191 , so that the two threaded locking pieces 193 position the sliding block 191 on the bottom plate 110 . When the two threaded locking members 193 are loosened, the two threaded locking members 193 can slide in the two guide grooves 111 respectively, so that the slider 191 can slide freely along one of the sides, so that the support frame 120 is fixed toward or away from the bottom The plate 150 slides.

The handle 130 is an L-shaped structure. One end of the handle 130 is a connection end, and the other end is a handle end. The connection end is flat, and the connection end is installed in the installation groove 123 of the support frame 140 , and is arranged parallel to the sidewall of the installation groove 123 . The connecting end is rotatably connected to the two side walls of the mounting groove 123 through a rotating shaft, so that the connecting end can rotate around the rotating shaft in the mounting groove 123 .

Please refer to FIG. 2 and FIG. 3 together. Specifically, in the illustrated embodiment, the handle end of the handle 130 is fixedly covered with a rubber sleeve 131 . The handle 130 can be conveniently operated through the rubber sleeve 131 to prevent the handle 130 from slipping during operation.

The pressing rod 140 is slidably passed through the guide cylinder 121 on the support frame 120 . One end of the pressing rod 140 is rotatably connected to the corner of the handle 130 through two connecting rods 195, and the other end is provided with an upper limit block 141, and the upper limit block 141 is provided with an upper limit groove 141a.

Specifically, in the illustrated embodiment, the pressing rod 140 includes a driving rod 143 and a screw 145. One end of the driving rod 143 is rotatably connected to the second connecting rod 195, and the end surface of the other end is provided with a screw extending in the axial direction of the driving rod 143. One end of the screw rod 145 is inserted into the screw hole of the driving rod 143, and is screwed with the screw hole of the driving rod 143, and the other end is fixedly connected with the upper limit block 141. When the length of the pressing rod 140 needs to be adjusted, the screw rod 145 can be rotated so that the screw rod 145 protrudes or is received into the screw hole of the driving rod 143 .

Further, the second connecting rod 195 is an integrally formed sheet structure, and there are two second connecting rods 195 . Each of the two connecting rods 195 includes two connecting fins 195a and an isosceles trapezoidal bent portion 195b, the two connecting fins 195a are respectively connected to the two ends of the bent portion 195b, and are parallel to the bottom of the bent portion 195b Extends toward the outside of the bent portion 195b. One end of the pressure rod 140 connected to the two second connecting rods 195 is provided with a flat mounting lug, and the connecting fins 195a of the two second connecting rods 195 are respectively located at the mounting lugs of the pressure rod 140 and the corners of the handle 130 are opposite to each other. on both sides and are rotatably connected by a pivot.

Since the connecting fins 195a of the two second connecting rods 195 are respectively located on the opposite sides of the mounting lug of the pressure rod 140 and the corner of the handle 130, the force on the two second connecting rods 195 is relatively uniform during the rotation and will not be biased. On one side, avoid actuating the plunger 140 that would cause the handle 130 to twist.

One end of the bottom fixing plate 150 is vertically fixedly connected with the bottom plate 110 . The bottom fixing plate 150 is provided with a lower limit block 151 corresponding to the upper limit block 141, and the lower limit block 151 is provided with a lower limit groove 151a, and the lower limit groove 151a and the upper limit groove 141a are used for clamping one end of the microphone tube up and down. .

Specifically in the illustrated embodiment, the upper limit groove 141a of the upper limit block 141 and the lower limit groove 151a of the lower limit block 151 are arc-shaped, and the upper limit groove 141a of the upper limit block 141 and the lower limit of the lower limit block 151 The bit grooves 151a can be spliced together to form a circular hole. Because one end of the microphone tube is generally circular, the contact area between the upper limit groove 141a of the upper limit block 141 and the lower limit groove 151a of the lower limit block 151 and the microphone tube is relatively large, so as to avoid the microphone tube being subjected to the upper limit block 141 And the extrusion deformation of the lower limit block 151.

One end of the side fixing plate 160 is connected to one side of the bottom fixing plate 150 and is arranged corresponding to the lower limit block 151 . The side fixing plate 160 is provided with an accommodating groove 161 located at the opposite end of the side fixing plate 160 and the bottom fixing plate 150. The accommodating groove 161 is long and narrow, and extends along the axial direction of the side fixing plate 160. A through hole 163 penetrating with the limiting groove 141 a is formed on an end surface of the fixing plate 160 opposite to the bottom fixing plate 150 .

Specifically, in the illustrated embodiment, one end of the side fixing plate 160 is reversibly connected to the side of the bottom fixing plate 150 through a hinge 199, and the side fixing plate 160 can be turned toward the bottom plate 110 until the side fixing plate 160 is turned over. to a position parallel to the bottom plate 110 , and the side fixing plate 160 can be reversed until the side fixing plate 160 is turned to a position flush with the bottom fixing plate 150 .

Since one end of the side fixing plate 160 is reversibly connected to the side of the bottom fixing plate 150 through the hinge 199, the side fixing plate 160 is turned over to be flush with the bottom fixing plate 150 when in use, and turned to be flush with the bottom plate when not in use. The parallel position of 110 is convenient for placement and saves the space occupied by the installation and fixing device 100, thereby facilitating transportation or storage.

Please refer to FIGS. 4 to 6 together. The adjusting screw 170 passes through the through hole 163 of the side fixing plate 160 and is screwed to the bottom fixing plate 150 . The adjusting screw 170 is disposed along the length direction of the receiving groove 161 , and one end is exposed outside the receiving groove 161 . One end of the adjusting screw 170 exposed to the receiving groove 161 of the side fixing plate 160 is provided with a rotating part 171 , the adjusting screw 170 can be driven by the rotating part 171 to make the adjusting screw 170 rotatable in the receiving groove 161 .

Specifically, in the illustrated embodiment, the through hole 163 of the side fixing plate 160 is a screw hole, and the adjusting screw 170 is screwed into the through hole 163 of the side fixing plate 160 . In other embodiments, a screw hole is provided on the side wall of the receiving groove 161 of the side fixing plate 160 opposite to the through hole 163 , and the adjusting screw 170 is screwed into the screw hole on the side wall of the receiving groove 161 .

Further, in the illustrated embodiment, the rotating part 171 is a turntable fixed at the end of the adjusting screw 170, and the adjusting screw 170 passes through the axis of the turntable and is arranged perpendicular to the turntable. In other embodiments, the rotating part 171 is an L-shaped handle, and one end of the L-shaped handle is coaxially connected with the adjusting screw 170 .

The side limit block 180 is sleeved on the adjusting screw 170 and threadedly engaged with the adjusting screw 170 . The side limiting block 180 is used to limit the other end of the microphone so that the microphone tube is straightened under the limiting action of the side limiting block 180 , the upper limiting block 141 and the lower limiting block 151 .

Specifically, in the illustrated embodiment, one end of the microphone is a regular polygonal limiting end, and the side limiting block 180 is provided with a regular polygonal limiting hole 181 corresponding to the shape of the limiting end of the microphone. After passing through the limiting hole 181, the limiting end can be locked in the limiting hole 181 by rotating a preset angle. When the limiting end of the straw passes through the limiting hole 181 of the side limiting block 180 and rotates to a preset angle, the apex angle of the limiting end of the microphone tube and the apex angle of the side limiting block 180 are dislocated and locked In the limiting hole 181, it is more convenient to engage or disassemble.

In other embodiments, the side limiting block 180 is provided with an elastic clip, and one end of the microphone can be clamped in the elastic clip. The side limiting block 180 is provided with elastic clips to be suitable for microphone tubes of different sizes.

Further, the installation and fixing device 100 also includes a fixing seat 196, a butterfly screw 197 and a fixing piece 198. The fixing seat 196 is located at the end opposite to the bottom fixing plate 150 and the bottom plate 110. The fixing seat 196 is an L-shaped structure, and the fixing seat 196 One end of the fixing seat 196 is arranged perpendicular to the bottom fixing plate 150 , so that the other end of the fixing base 196 is arranged at intervals parallel to the bottom fixing plate 150 . The threaded end of the butterfly screw 197 passes through the end of the fixing seat 196 parallel to the bottom fixing plate 150 , and is screwed to the fixing seat 196 . The fixing piece 198 is located between one end of the fixing seat 196 parallel to the bottom fixing plate 150 and the bottom fixing plate 150 , and the fixing plate is fixed on the threaded end of the butterfly screw 197 . Rotate the butterfly screw 197, the butterfly screw 197 is screwed with the fixing seat 196 and moves toward or away from the bottom fixing plate 150, so that the fixing seat 196 clamps the external support plate between the fixing piece 198 and the bottom fixing plate 150, thereby Fix the mounting fixture 100 on the outer support plate. For example, the mounting and fixing device 100 can be fixed on the edge of a table through the fixing base 196 .

Wherein, when the handle 130 is turned, the handle 130 drives the pressing bar 140 to move toward the bottom fixing plate 150, so that the upper limit block 141 and the lower limit block 151 clamp one end of the microphone tube together. Rotating the rotating part 171, the rotating part 171 drives the adjusting screw 170 to rotate, and the side limiting block 180 is threadedly matched with the adjusting screw 170 to move in translation relative to the adjusting screw 170, so that the side limiting block 180 tightens the other end of the microphone tube.

The installation and fixing device 100 of the universal adjustment mechanism of the above-mentioned lamp clamps one end of the microphone tube through the upper limit block 141 of the pressure rod 140 and the lower limit position of the bottom fixing plate 150, and the limit block located on the side fixing plate 160 tightens the microphone tube. the other end of the microphone, so as to straighten the microphone tube, prevent the rubber handle from being bent arbitrarily and tear the rubber handle, and facilitate the rubber handle to be set on the microphone tube; The positioning block 141 is aligned with or separated from the lower limiting block 151 of the bottom fixing plate 150, and the side limiting block 180 is driven by the adjusting screw 170 to move to tighten or loosen the microphone tube, thereby positioning the microphone tube conveniently. Therefore, the installation and fixing device 100 of the universal adjustment mechanism of the above-mentioned lamp has higher efficiency in installing the microphone tube and the rubber handle, and can avoid tearing the rubber handle.

The above-mentioned embodiments only express several implementation modes of the present invention, and the description thereof is relatively specific and detailed, but should not be construed as limiting the patent scope of the present invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (10)

1. A mounting and fixing device for a universal adjustment mechanism of a lamp, the universal adjustment mechanism of the lamp includes a freely bendable microphone tube and a rubber handle sleeved on the microphone tube, it is characterized in that the Mounting fixtures include: floor; A support frame installed on the bottom plate, one end of the support frame is provided with a guide cylinder, and the other end is provided with a mounting groove, and the mounting groove has two parallel and opposite side walls; It is a handle with L-shaped structure, one end of the handle is a connection end, the other end is a handle end, the connection end is flat, and the connection end is installed in the installation groove, parallel to the side of the installation groove The connecting end is rotatably connected to the two side walls of the installation groove through a rotating shaft, so that the connecting end can rotate around the rotating shaft in the installing groove; The pressure rod of the guide cylinder is slidably passed through, one end of the pressure rod is rotatably connected with the corner of the handle through two connecting rods, and the other end is provided with an upper limit block, and the upper limit block is provided with an upper limit bit slot; One end of the bottom fixed plate is vertically fixedly connected to the bottom plate, the bottom fixed plate is provided with a lower limit block corresponding to the upper limit block, the lower limit block is provided with a lower limit groove, and the lower limit groove is connected to the upper limit block. The upper limit groove is used for clamping one end of the microphone tube up and down; One end is connected to one side of the bottom fixing plate and is provided with a side fixing plate corresponding to the lower limit block. The side fixing plate is provided with a side fixing plate opposite to the bottom fixing plate. An accommodating groove at one end of the accommodating groove, the accommodating groove is narrow and long, and extends along the axial direction of the side fixing plate, and the end surface of the end of the side fixing plate opposite to the bottom fixing plate is provided with the The through hole through which the above-mentioned limiting groove runs; An adjusting screw that passes through the through hole and is screwed to the bottom fixing plate, the adjusting screw is arranged along the length direction of the accommodating groove, and one end is exposed outside the accommodating groove, the adjusting screw One end exposed to the accommodating groove is provided with a rotating part, through which the adjusting screw can be driven to make the adjusting screw rotatable in the accommodating groove; and A side limit block sleeved on the adjustment screw and threadedly engaged with the adjustment screw, the side limit block is used to limit the other end of the microphone tube so that the microphone tube The side limit block, the upper limit block and the lower limit block are straightened under the limit action; Wherein, the handle is rotated, and the handle drives the pressing rod to move toward the bottom fixing plate, so that the upper limit block and the lower limit block clamp one end of the microphone tube together; , the rotating part drives the adjusting screw to rotate, and the side limiting block is threadedly matched with the adjusting screw to move in translation relative to the adjusting screw, so that the side limiting block tightens the microphone tube another side. 2. The installation and fixing device of the universal adjustment mechanism of a lamp as claimed in claim 1, further comprising a fixing seat, a butterfly screw and a fixing piece, the fixing seat is arranged on the bottom fixing plate and the said bottom fixing plate. At the opposite end of the bottom plate, the fixed seat is an L-shaped structure, and one end of the fixed seat is arranged perpendicular to the bottom fixed plate, so that the other end of the fixed seat is arranged at intervals parallel to the bottom fixed plate; The threaded end of the butterfly screw passes through the end of the fixed seat parallel to the bottom fixed plate, and is screwed with the fixed seat; the fixed piece is located at the end of the fixed seat parallel to the bottom fixed plate and between the bottom fixing plates, and the fixing plate is fixed on the threaded end of the butterfly screw; rotate the butterfly screw, and the butterfly screw is threadedly matched with the fixing seat and faces or faces away from the The bottom fixed plate moves. 3. The installation and fixing device of the universal adjustment mechanism of a lamp according to claim 1, wherein the pressing rod comprises a driving rod and a screw rod, and one end of the driving rod is rotatably connected to the two connecting rods, The end surface of the other end is provided with a screw hole extending axially along the drive rod, one end of the screw rod is inserted into the screw hole of the drive rod, and is threadedly engaged with the screw hole of the drive rod, and the other end is connected to the screw hole of the drive rod. The upper limit block is fixedly connected. 4. The installation and fixing device of the universal adjustment mechanism of a lamp as claimed in claim 1, wherein the upper limit groove and the lower limit groove are arc-shaped, and the upper limit groove and the lower limit groove are arc-shaped. The slots can be spliced together to form a round hole. 5. The installation and fixing device of the universal adjustment mechanism of a lamp according to claim 1, wherein the support frame is a U-shaped structure, and the guide cylinder is arranged on the support frame parallel to the bottom of the support frame. One end of the frame, and the other end of the support frame are provided with two support sheets, the two support sheets are arranged in parallel and spaced apart to form the installation groove, and the rotating shaft passes through the two support sheets. 6. The installation and fixing device of the universal adjustment mechanism of a lamp according to claim 1, wherein the two connecting rods are an integrally formed sheet structure, and the number of the two connecting rods is two; each of the two connecting rods The two connecting rods each include two connecting fins and an isosceles trapezoidal bending portion, the two connecting fins are respectively connected to both ends of the bending portion, and are parallel to the bottom of the bending portion toward The outer side of the bending part extends; the end of the pressure rod connected to the two two connecting rods is provided with a flat mounting lug, and the connecting fins of the two two connecting rods are respectively located on the mounting The two opposite sides of the lug and the corner of the handle are rotatably connected by a pivot. 7. The installation and fixing device of the universal adjustment mechanism of a lamp according to claim 1, wherein the handle end of the handle is fixedly covered with a rubber sleeve. 8. The installation and fixing device of the universal adjustment mechanism of a lamp as claimed in claim 1, wherein one end of the microphone tube is a regular polygonal limiting end, and the side limiting block is provided with a The shape of the limiting end of the microphone tube corresponds to a regular polygonal limiting hole, and the limiting end of the microphone tube passes through the limiting hole and can be locked in the limiting hole by rotating a preset angle; Alternatively, the side limit block is provided with an elastic clip, and one end of the microphone can be clamped in the elastic clip. 9. The installation and fixing device of the universal adjustment mechanism of a lamp according to claim 1, wherein one end of the side fixing plate is reversibly connected to the side of the bottom fixing plate through a hinge, and the The side fixed plate can be turned over towards the bottom plate until the side fixed plate is turned over to a position parallel to the bottom plate, and the side fixed plate can be reversely turned until the side fixed plate is turned over to be parallel to the bottom plate. The bottom secures the plate in a flush position. 10. The installation and fixing device of the universal adjustment mechanism of a lamp according to any one of claims 1 to 9, further comprising a slider and two threaded locks, the support frame is fixed on the slider Above, the base plate is provided with two guide grooves arranged in parallel at intervals, and the two guide grooves both pass through two opposite sides of the base plate, and the slider is slidable along one of the sides; The two threaded locks respectively pass through the two chute and are screwed with the slider, so that the two threaded locks position the slider on the bottom plate; when loosening the Two threaded locks, the two threaded fasteners are respectively slidable in the two guide grooves, so that the slider can slide freely along one of the sides, so that the support frame Slide toward or away from the bottom mounting plate.