CN108758240B

CN108758240B - Multi-angle freely-adjustable projector for video media

Info

Publication number: CN108758240B
Application number: CN201810599976.3A
Authority: CN
Inventors: 朱文祥
Original assignee: Guangdong Chuangkejie Intelligent Technology Co Ltd
Current assignee: Guangdong chuangkejie Intelligent Technology Co., Ltd
Priority date: 2018-06-12
Filing date: 2018-06-12
Publication date: 2020-11-10
Anticipated expiration: 2038-06-12
Also published as: CN108758240A

Abstract

The invention provides a multi-angle free adjustment projector for a video media, which comprises a projector for projecting and projecting a multimedia video, a butt joint mechanism for fixedly hanging the projector and a fixing device for installing and fixing the butt joint mechanism, wherein the projector is fixedly connected with the butt joint mechanism, the butt joint mechanism is detachably connected and matched with the fixing device, the fixing device is fixedly arranged on a ceiling, the butt joint mechanism is set into an insertion state and a pull-out state which can be freely switched, the butt joint mechanism is in butt joint with the fixing device in the insertion state, the fixing device is automatically triggered to limit and fix the butt joint mechanism, the fixing device is in a manual reset state in the pull-out state, and the fixing device is withdrawn to limit and fix the butt joint mechanism.

Description

Multi-angle freely-adjustable projector for video media

Technical Field

The invention relates to the technical field of video media, in particular to a multi-angle freely-adjustable projector for video media.

Background

The projector is an optical instrument which utilizes an optical element to amplify the outline of a workpiece and projects the workpiece onto a video screen, can be connected with multimedia equipment such as a computer, a VCD, a DVD and the like through different interfaces to play corresponding video signals, and is widely applied to families, offices, schools and entertainment places.

Disclosure of Invention

In order to solve the defects of the prior art, the invention aims to provide the multi-angle freely-adjustable projector for the video media, which has a simple structure and is convenient and fast to use.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.

The projector is fixedly connected with the butt joint mechanism, the butt joint mechanism is detachably connected and matched with the fixing device, the fixing device is fixedly arranged on a ceiling, the butt joint mechanism is set into an insertion state and a pull-out state which can be freely switched, the butt joint mechanism is in butt joint with the fixing device in the insertion state, the fixing device is automatically triggered to limit and fix the butt joint mechanism, and the pull-out state is that the fixing device is manually reset and the fixing device withdraws to limit and fix the butt joint mechanism.

The projector comprises a projector body which is arranged horizontally in a rectangular shape, the projector body is used for projecting and projecting multimedia videos to a curtain which is matched with the projector body, a multimedia interface and an audio interface are arranged at the rear end of the projector body, the multimedia interface and the audio interface are used for signal connection and transmission of the projector body and multimedia equipment, a projection lens is arranged at the front end of the projector body, and the projection lens is used for projecting converted videos received by the projector body to the curtain.

The butt joint mechanism is vertically arranged in the middle of the upper end face of the projector body and fixedly connected with the upper end face of the projector body, the butt joint mechanism comprises a suspension rod arranged on the upper end face of the projector body and a joint member arranged at the top end of the suspension rod, the bottom end of the suspension rod is fixedly connected with the projector body, and the top end of the suspension rod is fixedly connected with the joint member.

The fixing device comprises a lifting adjusting mechanism, a butt joint interface mechanism, a triggering floating mechanism, a self-adaptive locking mechanism and a resetting mechanism, wherein the lifting adjusting mechanism is used for adjusting the height between a self suspension end and the ground, the butt joint interface mechanism is used for receiving the insertion of the butt joint mechanism and completing the mutual butt joint of the two, the triggering floating mechanism is used for converting the thrust generated by the insertion of the butt joint mechanism into self-triggering thrust and realizing the upward floating of the self-adaptive locking mechanism, the self-adaptive locking mechanism is used for locking and limiting a fixed disc for fixing, the resetting mechanism is used for enabling the triggered triggering floating mechanism to realize manual resetting, the butt joint interface mechanism, the triggering floating mechanism and the self-adaptive locking mechanism are all arranged in the lifting adjusting mechanism, the resetting mechanism is arranged outside the lifting adjusting mechanism and extends into the lifting adjusting mechanism, the lifting adjusting mechanism comprises a square mounting top plate which is mounted on a ceiling and arranged horizontally, a vertical support rod which is arranged downwards is arranged in the middle of the mounting top plate, a horizontally-arranged rectangular mounting box is arranged at the bottom end of the support rod, openings are formed in the two ends of the rectangular mounting box in the width direction, end covers matched with the openings are arranged at the openings, an insertion hole matched with the butt joint mechanism is formed in the bottom of the mounting box, the insertion hole and the support rod are arranged coaxially, the butt joint interface mechanism, a triggering floating mechanism and a self-adaptive locking mechanism are arranged in the mounting box, and a resetting mechanism is arranged on the upper end face of the mounting box and extends to the inside of the mounting box.

The butt joint interface mechanism comprises a butt joint sleeve which is arranged in the installation box and extends into the support rod, the butt joint sleeve is matched with the joint column, the butt joint sleeve and the support rod are coaxially arranged, the butt joint sleeve is fixedly connected with the top of the installation box, the opening at the lower end of the butt joint sleeve is provided with a conical guide port, the distance between conical surfaces of the conical guide port is gradually increased from top to bottom along the vertical direction, the conical guide port is matched with the joint member, a limit block which is vertically arranged is arranged in the butt joint sleeve, the limit block is provided with four lugs and is matched with the joint member, the opening at the lower end of the butt joint sleeve is provided with two lugs which are symmetrically arranged from left to right, the distance direction between the symmetrically arranged lugs is parallel to the length direction of the installation box, the lugs are correspondingly arranged with the conical guide port, and a sliding chute which, the sliding groove extends to the conical guide opening from the outer part of the convex block.

The floating mechanism comprises a floating component and a triggering component, the floating component is used for being matched with the self-adaptive locking mechanism to limit and fix a joint component, the triggering component is used for providing avoidance for upward floating of the floating component, the floating component comprises a barrel body arranged below a butt joint sleeve, the barrel body and the butt joint sleeve are coaxially arranged, the diameter of the barrel body is larger than that of the butt joint sleeve, two lugs are fixedly arranged outside the barrel body and are arranged in bilateral symmetry, the lugs are matched with the barrel body, the spacing direction of the lugs is parallel to the length direction of the installation box, matching sockets are arranged in the middle of the lugs and are communicated with the barrel body along the length direction of the installation box, at least three matching sockets are arranged, and are respectively a first matching socket, a second matching socket and a third matching socket, the first matching socket, the second matching socket and the third matching socket are sequentially distributed from top to bottom and are arranged at intervals between adjacent matching sockets, a floating spring is arranged between the bottom of the cylinder and the bottom of the installation box, the floating spring is matched with the cylinder, one end of the floating spring is connected with the bottom of the installation box, the other end of the floating spring is connected with a lug, the elastic force of the floating spring always points to the lug from the bottom of the installation box, the upper end surfaces of the lugs are respectively provided with two baffle pins which are vertically and upwards arranged, the baffle pins are symmetrically arranged front and back, the baffle pins are arranged at intervals and are arranged in parallel with the width direction of the installation box, the upper end surfaces of the lugs are provided with avoidance ports which are positioned between the baffle pins symmetrically arranged front and back, the trigger members are arranged above the baffle pins and are abutted against the baffle pins, and the trigger members are provided, the triggering component comprises a first supporting shaft arranged on the inner wall of the installation box, the first supporting shaft is arranged along the length direction parallel to the installation box and corresponds to the sliding groove, a trigger spring is sleeved outside the supporting shaft, one end of the trigger spring is connected with the inner wall of the mounting box, the other end of the trigger spring freely extends to the opening of the sliding chute, the extension end of the trigger spring is provided with a trigger slide block which is matched with the sliding groove and forms sliding guide fit along the axial direction of the first support shaft, the trigger slide block extends into the conical guide opening, the end surface of the extending end of the trigger slide block is matched with the conical surface of the conical guide opening, the two trigger sliders are arranged at intervals, stop blocks are arranged on one end face, close to the trigger spring, of each trigger slider, the two stop blocks are symmetrically arranged front and back, and the stop blocks are matched with the stop pins and used for limiting the stop pins to move upwards.

The self-adaptive locking mechanism comprises a locking component for limiting and fixing a joint component, a self-adaptive component for limiting and fixing a pushing component and controlling the locking component to limit and fix the progress of the limiting and fixing disk, the self-adaptive locking mechanism is provided with two groups of limiting and bilateral symmetry arrangement and is correspondingly arranged with a matching socket, the locking component comprises a vertically arranged locking frame, the top end of the locking frame is fixedly connected with the top end of an installation box, the bottom end of the locking frame is freely suspended, the locking frame is provided with a limiting component horizontally arranged along the length direction of the installation box, the limiting component is provided with at least three groups at intervals and is matched with the matching socket, the limiting component is provided with three groups and is respectively a first limiting component, a second limiting component and a third limiting component, the first limiting component, the second limiting component and the third limiting component are matched with the matching socket, The second matching socket and the third matching socket are matched in a one-to-one correspondence manner, the limiting assembly comprises push rods arranged on one side, away from the barrel, of the locking frame, the push rods are horizontally arranged, the direction of the central axis of the push rods is parallel to the width direction of the installation box, connecting rods arranged towards the locking frame are arranged on the outer portions of the push rods, penetrate through the locking frame and extend to the outer portions of the barrel, the connecting rods are symmetrically arranged front and back, the direction of the central axis of the connecting rods is parallel to the length direction of the installation box, the connecting rods are matched with installation holes formed in the locking frame, the connecting rods and the installation holes form sliding guide matching along the axial direction of the connecting rods, limiting fixing blocks are arranged at one ends, away from the push rods, the limiting fixing blocks are abutted to the barrel and are arranged in a staggered manner with the matching sockets, the limiting, the limiting spring is arranged between the limiting fixed block and the locking frame, the elasticity of the limiting spring is always directed to the limiting fixed block by the locking frame, the limiting spring is positioned between the connecting rods which are symmetrically arranged front and back, the limiting spring is supported by the second supporting shaft arranged on the locking frame, the pushing components are provided with two groups which are symmetrically arranged front and back, the pushing components which are symmetrically arranged are arranged at one end of the push rod, the pushing components comprise a linkage frame which is arranged along the length direction of the installation box, one end of the linkage frame is fixedly connected with the lug, the other end of the linkage frame extends towards the push rod, the extending end of the linkage frame is provided with a vertical plate which is vertically arranged, the vertical plate is matched with the limiting component, a pushing block which is fixedly connected with the vertical plate into a whole is arranged between the vertical plate and the push rod, the upper end surface of the pushing, the distance between the inclined end face and the horizontal end face is gradually reduced from the vertical end face directed by the vertical plate, the vertical end face is abutted against the push rod, the abutting block comprises a first abutting block, a second abutting block and a third abutting block, the first abutting block, the second abutting block and the third abutting block are sequentially arranged from top to bottom and are respectively and correspondingly arranged with a first limiting assembly, a second limiting assembly and a third limiting assembly one by one, the self-adaptive component comprises a guide rod fixedly arranged at one side of the bottom end of the locking frame, which is far away from the barrel body, and the guide rod is vertically arranged, an induction frame used for limiting the limiting assemblies is slidably arranged on the guide rod, two ends of the induction frame and the guide rod form sliding guide fit along the vertical direction, the induction frame is sequentially provided with a horizontal section P, an inclined section N, a vertical section M and a return section from the upper end to the lower end, the inclined section N is matched and corresponds to the push rod in the first limiting assembly, the horizontal section P is provided with a self-locking groove, a compression spring is arranged outside the guide rod, and the elastic force of the compression spring points to the induction frame through the elastic force of the guide rod.

Canceling release mechanical system including setting up the feeler pin that resets on the lug, the feeler pin that resets be provided with two and around symmetrical arrangement, the vertical arrangement of feeler pin that resets and upwards extend to the up end of install bin, the up end of install bin be provided with reset feeler pin assorted driver plate, the coaxial rotation cover of driver plate that resets locate the outside of bracing piece, the lower terminal surface of driver plate be provided with and dodge the groove, dodge the groove and be provided with four and arrange along the circumference of driver plate, dodge the groove and include horizontal groove and inclined groove, reset the feeler pin and extend to the tank bottom of horizontal groove, the tank bottom of inclined groove is extended to the lower terminal surface of driver plate by the horizontal groove, the directional inclined groove of horizontal groove is unanimous with the anticlockwise rotation direction of driver plate, the outside of driver plate is provided with and is used for reminding the user to rotate.

Compared with the prior art, the hanging device has the advantages of simple structure, convenience in use and low cost, and can automatically finish hanging installation.

Drawings

In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive effort.

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic structural diagram of the projector.

Fig. 4 is a schematic structural diagram of the projector.

Fig. 5 is a diagram showing the projector and the docking mechanism.

Fig. 6 is a schematic structural view of the butt joint mechanism.

Fig. 7 is a schematic structural view of the fixing device.

Fig. 8 is a schematic structural view of the elevation adjustment mechanism.

Fig. 9 is a schematic view of the internal structure of the fixing device.

Fig. 10 is a schematic structural diagram of the docking interface mechanism.

Fig. 11 is a schematic structural view of the trigger mechanism.

Fig. 12 is a partial structural view of the trigger mechanism.

Fig. 13 is a partial structural view of the trigger mechanism.

Fig. 14 is a partial structural view of the trigger mechanism.

Fig. 15 is a partial structural schematic view of the trigger mechanism.

Fig. 16 is a diagram of the trigger mechanism in cooperation with the adaptive locking mechanism.

Fig. 17 is a schematic structural diagram of the adaptive locking mechanism.

Fig. 18 is a partial structural schematic diagram of the adaptive locking mechanism.

Fig. 19 is a partial structural schematic diagram of the adaptive locking mechanism.

Fig. 20 is a schematic structural view of the return mechanism.

Fig. 21 is a partial structural view of the return mechanism.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 21, the multi-angle freely adjustable projector for video media includes a projector 100 for projecting and projecting multimedia video, a butt joint mechanism 200 for fixedly hanging the projector 100, and a fixing device 300 for fixedly installing the butt joint mechanism 200, the projector 100 is fixedly connected with the butt joint mechanism 200, the butt joint mechanism 200 is detachably connected and matched with the fixing device 300, the fixing device 300 is fixedly installed on the ceiling, the butt joint mechanism 200 is set to be in an inserting state and an extracting state which can be freely switched, the inserting state is that the butt joint mechanism 200 is in butt joint with the fixing device 300 and the fixing device 300 is automatically triggered to limit and fix the butt joint mechanism 200, and the extracting state is that the fixing device 300 is manually reset and the fixing device 300 is cancelled to limit and fix the butt joint mechanism 200.

Specifically, referring to fig. 3 and 4, the projector 100 includes a rectangular projector body 101 arranged horizontally and the projector body 101 is used for projecting and projecting multimedia video onto a curtain configured with the projector body 101, the rear end of the projector body 101 is provided with a multimedia interface 102 and an audio interface 103, the multimedia interface 102 and the audio interface 103 are used for signal connection and transmission between the projector body 101 and the multimedia device, in order to enable the projector body 101 to be connected with a plurality of media devices at the same time, the multimedia interfaces 102 are arranged in two and spaced positions, the audio interfaces 103 are arranged in three and spaced ways, the front end of the projector body 101 is provided with a projection lens 104, and the projection lens 104 is used for projecting the converted video received by the projector body 101 onto a curtain.

The projector 100 is embodied in the working process that a user establishes signal connection between the projector body 101 and the multimedia device through the multimedia interface 102 and the audio interface 103, starts the projector body 101 and enables the projection lens 104 to correspond to a curtain arranged in a matching manner, and controls the multimedia device to play video and audio, and the video and audio signals are transmitted into the projector body 101 through the multimedia interface 102 and the audio interface 103 and are projected synchronously with the multimedia device through projection of the projection lens 104.

Referring to fig. 4, as a more optimized scheme of the present invention, the projector 100 is commonly used in homes, schools and entertainment venues, the time for continuously projecting video and audio is long in the using process, the temperature of the projector 100 is often increased when the projector 100 is continuously projected and shot for a long time, and especially when the projector is used in summer, the temperature of the projector 100 is seriously affected and even the projector 100 is scrapped, therefore, a plurality of heat dissipation holes 105 arranged at intervals are arranged outside the projector body 101, and the heat dissipation holes 105 are used for timely discharging heat generated by the operation of the projector body 101 to the outside, so as to prevent the projector body 101 from rapidly increasing its temperature due to the long-time operation.

Referring to fig. 5 and 6, the butt joint mechanism 200 is vertically disposed in the middle of the upper end surface of the projector body 101 and fixedly connected to the upper end surface of the projector body 101, the butt joint mechanism 200 includes a suspension rod 210 disposed on the upper end surface of the projector body 101 and a joint member 220 disposed on the top end of the suspension rod 210, the bottom end of the suspension rod 210 is fixedly connected to the projector body 101, the top end of the suspension rod 210 is fixedly connected to the joint member 220, the joint member 220 includes a limit fixing disc 221 disposed on the top end side of the suspension rod 210, the limit fixing disc 221 is coaxially disposed with the suspension rod 210, the diameter of the limit fixing disc 221 is greater than that of the suspension rod 210, the upper end surface of the limit fixing disc 221 is provided with a tapered guide disc 222, the tapered guide disc 222 is matched with the suspension rod 210, the distance between tapered surfaces of the tapered guide disc 222 is gradually reduced from bottom to top along the, the outer portion of the connector column 223 is provided with a limiting groove 224 matched with the connector column, the limiting groove 224 is arranged along the vertical direction and is consistent with the axial length of the connector column 223, the limiting grooves 224 are four and are arranged in a cross shape, a user holds the projector body 101 with hands and enables the butt joint mechanism 200 to be inserted into the fixing device 300 in the installation process of the projector 100, the conical guide disc 222 guides the connector component 220, meanwhile, the conical guide disc 222 enables the fixing device 300 to be automatically triggered, the triggered fixing device 300 limits and fixes the inserted limiting fixing disc 221, and therefore the hoisting and fixing of the butt joint mechanism 200 are achieved, and the projector 100 is hung and installed.

Referring to fig. 7-21, the fixing device 300 includes a lifting adjusting mechanism 310, a docking interface mechanism 320, a triggering floating mechanism 330, an adaptive locking mechanism 340 and a resetting mechanism 350, the lifting adjusting mechanism 310 is used for adjusting the height between the suspension end of the docking interface mechanism 310 and the ground, the docking interface mechanism 320 is used for receiving the insertion of the docking interface mechanism 200 and completing the mutual docking of the two, the triggering floating mechanism 330 is used for converting the thrust generated by the insertion of the docking interface mechanism 200 into self-triggering thrust and realizing self-upward floating, the adaptive locking mechanism 340 is used for limiting the fixed disc 221 for locking and limiting, the resetting mechanism 350 is used for manually resetting the triggered triggering floating mechanism 330, the docking interface mechanism 320, the triggering floating mechanism 330 and the adaptive locking mechanism 340 are all disposed inside the lifting adjusting mechanism 310, the resetting mechanism 350 is disposed outside the lifting adjusting mechanism 310 and extends into the lifting adjusting mechanism 310 And (4) a section.

Specifically, referring to fig. 8, the lifting adjusting mechanism 310 includes a square top mounting plate 311 installed on a ceiling and horizontally arranged, a rod sleeve 312 vertically downward and arranged in a hollow manner is disposed in the middle of the top mounting plate 311, a support rod 313 vertically and movably arranged in a downward extending manner is coaxially disposed in the rod sleeve 312, the support rod 313 is matched with the rod sleeve 312, the length of the support rod 313 extending downward can be manually adjusted, a rectangular mounting box 316 horizontally arranged is disposed at the bottom end of the support rod 313, openings are disposed at both ends of the rectangular mounting box 316 in the width direction, end covers 317 matched with the openings are disposed at the openings, an insertion opening matched with the insertion opening is disposed at the bottom of the mounting box 316, the insertion opening is matched with the butt joint mechanism 200 and is coaxially disposed with the support rod 313, the butt joint mechanism 320, the trigger floating mechanism 330, and the adaptive locking mechanism 340 are all disposed inside, the reset mechanism 350 is disposed on the upper end surface of the mounting box 316 and extends to the inside of the mounting box 316, in order to adjust the length of the support rod 313 extending downward from the rod sleeve 312, pin holes 314 radially disposed along the rod sleeve 312 are disposed on the outside of the rod sleeve 312, a plurality of pin holes 314 are disposed along the axial direction of the rod sleeve 312 at intervals from top to bottom, locking holes radially disposed along the support rod 313 are disposed on the support rod, the locking holes are matched with the pin holes 314, and a locking pin 315 for locking the pin holes 314 and the locking holes is disposed between the pin holes 314 and the locking holes.

The lifting adjusting mechanism 310, during use, fixedly mounts the top mounting plate 311 on a selected ceiling, and makes the rod sleeve 312 in a vertically suspended state, and controls and adjusts the mounting height of the projector 100 by adjusting the suspended height of the mounting box 316, the suspended height of the mounting box 316 depends on the length of the support rod 313 extending downward from the rod sleeve 312, the process of adjusting the length of the support rod 312 extending downward is embodied in that a user holds the mounting box 316 by hand, pulls out the locking pin 315 from the pin hole 314 and the locking hole, the support rod 313 can freely move up and down along the rod sleeve 312, when the height of the mounting box 316 needs to be increased, moves the support rod 313 up along the rod sleeve 312, when the height of the mounting box 316 needs to be decreased, moves the support rod 313 down along the rod sleeve 312, rotates the support rod 313 to a proper position and makes the locking hole correspond to the matched pin hole 314, the locking pin 315 is inserted into the locking hole and the pin hole 314, so as to realize the fixed connection and matching between the rod sleeve 312 and the support rod 313.

Referring to fig. 9 and 10, the docking interface mechanism 320 includes a docking sleeve 321 disposed in the mounting box 316 and extending into the supporting rod 313, the docking sleeve 321 is matched with the connector pin 223, the docking sleeve 321 is coaxially disposed with the supporting rod 313 and the docking sleeve 321 is fixedly connected with the top of the mounting box 316, a tapered guide opening 322 is disposed at a lower opening of the docking sleeve 321, a distance between tapered surfaces of the tapered guide opening 322 gradually increases from top to bottom along a vertical direction, the tapered guide opening 322 is matched with the tapered guide disc 222, a vertically disposed stop block 323 is disposed in the docking sleeve 321, four stop blocks 323 are disposed and matched with the stop groove 224, two protrusions 324 are disposed at a lower opening of the docking sleeve 321 and symmetrically disposed from left to right, a distance direction between the symmetrically disposed protrusions 324 is parallel to a length direction of the mounting box 316, the convex block 324 is arranged corresponding to the conical guide opening 322, a sliding groove 325 arranged along the distance direction of the convex block 324 is arranged in the convex block 324, and the sliding groove 325 extends from the outer part of the convex block 324 to the conical guide opening 322.

The docking interface mechanism 320 is specifically adapted to the docking mechanism 200 by inserting the joint member 220 in the docking mechanism 200 into the installation box 316 from the insertion opening at the bottom of the installation box 316 and aligning with the docking sleeve 321, inserting the joint column 223 into the tapered guide opening 322 and moving the docking sleeve 321 under the guidance of the tapered guide opening 322, in order to avoid the joint column 223 from being further inserted into the docking sleeve 321 due to the limitation of the limiting block 323, the joint column 223 needs to be adjusted by rotation and the limiting groove 224 corresponds to the limiting block 323, the projection direction of the projector 100 can be adjusted at the same time of the adjustment of the rotation, when the limiting block 323 and the limiting groove 224 are adjusted to correspond to each other, if the projection direction of the projector 100 deviates from the arrangement direction of the curtain, the joint column 223 in the joint member 220 rotates clockwise/counterclockwise, the limiting block 223 and the limiting groove 224 are correspondingly matched again, then the connector column 223 is continuously inserted towards the inside of the butt joint sleeve 321, the limiting block 223 is matched with the limiting groove 224 until the conical guide disc 222 is matched with the conical guide port 322, the butt joint mechanism 200 is matched with the butt joint interface mechanism 320 in a connecting mode, in the matching process, the floating mechanism 330 is triggered due to the matching of the conical guide disc 222 and the conical guide port 322, the self-adaptive locking mechanism 340 achieves limiting and fixing of the limiting fixed disc 221, the butt joint mechanism 200 is fixedly connected with the butt joint interface mechanism 320, and therefore hanging and installation of the projector 100 are achieved.

Referring to fig. 11 to 15, the floating trigger mechanism 330 includes a floating component 3310 and a triggering component 3320, the floating component 3310 is configured to cooperate with the adaptive locking mechanism 340 to limit and fix the limit and fixing disk 221, the triggering component 3320 is configured to provide an avoidance for upward floating of the floating component 3310, the floating component 3310 includes a cylinder 3311 disposed below the docking sleeve 321, the cylinder 3311 and the docking sleeve 321 are coaxially disposed, and a diameter of the cylinder 3311 is greater than a diameter of the docking sleeve 321, two lugs 3312 are fixedly disposed outside the cylinder 3311 and are symmetrically disposed, the lugs 3312 and the cylinder 3311 are matched, a pitch direction of the lugs 3312 is parallel to a length direction of the mounting box 316, a fitting socket 3316 is disposed in a middle portion of the lugs 3312, the fitting socket 3316 is disposed along a length direction of the mounting box 316 and is communicated with the cylinder 3311, at least three fitting sockets 3316 are disposed, in this embodiment, three matching sockets 3316 are respectively a first matching socket 3317, a second matching socket 3318 and a third matching socket 3319, the first matching socket 3317, the second matching socket 3318 and the third matching socket 3319 are sequentially distributed from top to bottom, and the matching sockets 3316 are arranged at intervals, a floating spring 3314 is arranged between the cylinder 3311 and the bottom of the mounting box 316, the floating spring 3314 is matched with the cylinder 3311, one end of the floating spring 3314 is connected with the bottom of the mounting box 326, the other end is connected with the lugs 3312, the elastic force of the floating spring 3314 is always directed to the lugs 3312 from the bottom of the mounting box 316, the upper end surfaces of the lugs 3312 are respectively provided with two blocking pins 3313 which are vertically and upwardly arranged, the blocking pins 3313 are arranged symmetrically front and back, the blocking pins 3313 are arranged at intervals and arranged in parallel to the width direction of the mounting box 316, the upper end surfaces of the lugs 2 are provided with avoiding sockets 3315, and the escape openings 3315 are located between the stopper pins 3313 symmetrically arranged in the front and rear direction, the triggering member 3320 is disposed above and in contact with the stopper pins 3313, the triggering member 3320 is provided with two sets and is matched with the lugs 3312, the triggering member 3320 includes a first supporting shaft 3321 disposed on the inner wall of the installation box 316, the first supporting shaft 3321 is disposed in parallel with the length direction of the installation box 316 and corresponds to the sliding groove 325, a triggering spring 3322 is sleeved outside the first supporting shaft 3321, one end of the triggering spring 3322 is connected with the inner wall of the installation box 316 and the other end thereof freely extends to the opening of the sliding groove 325, the extending end of the triggering spring 3322 is provided with a triggering slider 3323, the triggering slider 3323 is matched with the sliding groove 325 and forms a sliding guiding fit along the axial direction of the first supporting shaft 3321, the triggering slider 3323 extends into the tapered guiding opening 322 and the extending end surface of the triggering slider 3323 is matched with the tapered guiding opening 322, the two trigger sliders 3323 are arranged at intervals, one end surface of each trigger slider 3323 close to the trigger spring 3322 is provided with two stop blocks 3324, the two stop blocks 3324 are arranged symmetrically front and back, and the stop blocks 3324 are matched with the stop pin 3313 and used for limiting the upward movement of the stop pin 3313.

The trigger floating mechanism 330 is embodied in that when the docking adapter mechanism 200 is docked with the docking interface mechanism 320, the tapered guide disc 222 and the tapered guide port 322 are in mutual docking engagement to provide a pushing force for triggering the trigger member 3320, before the tapered guide disc 222 and the tapered guide port 322 are in engagement, the tapered guide disc 222 abuts against the trigger slider 3323 and the tapered guide disc 222 moves upward to push the trigger slider 3323 to slide along the sliding groove 325 toward the first support shaft 3321, the trigger slider 3323 drives the stopper 3324 to move synchronously, the trigger spring 3322 gradually compresses and has an elastic potential gradually increasing under the support of the first support shaft 3321, the stopper 3324 moving toward the first support shaft 3321 releases the limit of the stopper pin 3313, at this time, the trigger member 3320 releases the limit of the floating member 3310, the floating spring 3314 pushes the barrel body 1 to move vertically upward, and the

lugs

3312, 3313, and 3311 disposed on the barrel body 3311, The stop pins 3313 move synchronously upward, and the arrangement of the avoidance ports 3315 provides for avoidance of upward movement of the barrel lugs 3312, at which time the mating sockets 3316 align with the adaptive locking mechanism 340 and the upward moving float members 3310 mate with the adaptive locking mechanism 340 and are able to mate with the adaptive locking mechanism 340 for positive retention of the positive retention disk 221.

Referring to fig. 16 to 19, the adaptive locking mechanism 340 includes a locking member 3410 for limiting and fixing the limiting fixing disc 221, a pushing member 3420 for limiting and fixing the locking member 3410, and an adaptive member 3430 for controlling the limiting and fixing process of the limiting fixing disc 221 by the locking member 3410, and the adaptive locking mechanism 340 is provided with two sets of locking members symmetrically arranged left and right and arranged corresponding to the matching socket 3316.

Specifically, referring to fig. 17-19, the locking member 3410 includes a vertically disposed locking frame 3411, the top end of the locking frame 3411 is fixedly connected to the top of the mounting box 316, the bottom end of the locking frame 3411 is freely suspended, the locking frame 3411 is provided with a position-limiting component 3412 horizontally disposed along the length direction of the mounting box 316, the position-limiting component 3412 is provided with at least three groups at intervals up and down and is matched with the mating socket 3316, in this embodiment, the position-limiting component 3412 is provided with three groups and is respectively a position-limiting component one 3412a, a position-limiting component two 3412b and a position-limiting component three 3412c, the position-limiting component one 3412a, the position-limiting component two 3412b and the position-limiting component three 3412c are respectively matched with the mating socket one 3317, the mating socket two 3318 and the mating socket three 3319, the position-limiting component 3412 includes a push rod 3413 disposed on a side of the locking frame 3411 facing away from the cylinder 3311, the push, the exterior of said push rod 3413 has connecting rods 3414 arranged towards the locking frame 3411 and the connecting rods 3414 extend to the exterior of the barrel 3311 through the locking frame 3411, the connecting rods 3414 are arranged symmetrically front and back, the central axis direction of the connecting rods 3414 is parallel to the length direction of the installation box 316, the connecting rods 3414 are matched with the installation holes opened on the locking frame 3411, the connecting rods 3414 and the installation holes form a sliding guide fit along the axial direction of the connecting rods 3414, the end of said connecting rods 3414 facing away from the push rod 3413 is provided with a position limiting fixing block 3415, said position limiting fixing block 3415 is in contact with the barrel 3411 and is arranged in a staggered manner with the mating socket 3416, said position limiting fixing block 3415 is located on the upper side of the mating socket 3316, in order to make the position limiting fixing block 3415 in contact with the barrel 3311, a position limiting spring 3416 is arranged between said position limiting fixing block 3415 and the locking frame 3411, the elasticity of the position limiting spring 341, the position limiting spring 3416 is positioned between the connecting rods 3414 symmetrically arranged in front and rear and the position limiting spring 3416 is supported by a supporting shaft II 3416a provided on the locking frame 3411.

Referring to fig. 17, the pushing members 3420 are provided with two groups and are symmetrically arranged in a front-back manner, the pushing members 3420 are provided at one end of the push rod 3413, the pushing members 3420 include a linking frame 3421 arranged along the length direction of the installation box 316, one end of the linking frame 3421 is fixedly connected to the lug 3312, the other end of the linking frame 3421 extends toward the push rod 3413 and is provided with a vertical plate 3422, the vertical plate 3422 is matched with the position-limiting component 3412, a pushing block 3423 fixedly connected with the vertical plate 3422 is provided between the vertical plate 3422 and the push rod 3413, the upper end surface of the pushing block 3423 is provided with a horizontal end surface, the lower end surface is provided with an inclined end surface, the distance between the inclined end surface and the horizontal end surface is gradually reduced from the vertical end surface pointed by the vertical plate 3422, the vertical end surface is abutted against the push rod 3413, the pushing block 3423 includes a first pushing block 3423a, The second abutting block 3423b and the third abutting block 3423c, the first abutting block 3423a, the second abutting block 3423b and the third abutting block 3423c are sequentially arranged from top to bottom and are respectively arranged corresponding to the first limiting component 3412a, the second limiting component 3412b and the third limiting component 3412 c.

Referring to fig. 19, the adaptive component 3430 includes a guide rod 3431 fixedly disposed at a bottom end of the locking frame 3411, the guide rod 3431 being disposed vertically, an induction frame 3432 slidably disposed on the guide rod 3431 and used for limiting the position of the position-limiting component 3412, both ends of the induction frame 3432 and the guide rod 3431 forming a sliding guide fit in the vertical direction, the induction frame 3432 being sequentially provided with a horizontal section P, an inclined section N, a vertical section M and a folded section from an upper end to a lower end, the inclined section N corresponding to the push rod 3 in the position-limiting component a 2a, the horizontal section P being provided with a self-locking groove 3413433, a compression spring 3434 being disposed outside the guide rod 3431, and an elastic force of the compression spring 3434 being directed to the induction frame 3432 by an elastic force of the guide rod 3431.

The adaptive locking mechanism 340 is embodied in the working process that the butt joint mechanism 200 and the butt joint interface mechanism 320 are in butt joint, the adaptive locking mechanism 340 can limit and fix the limit fixing discs 222 with different specifications and thicknesses, at this time, the limit fixing discs 222 are positioned in the cylinder 3311, the floating trigger mechanism 330 triggers, the cylinder 3311 floats upwards to promote the limit components one 3412a, two 3412b and three 3412c to align with the matching sockets one 3317, two 3318 and three 3319, and to drive the linkage frame 3421 to move upwards synchronously, so as to drive the vertical plate 3422 and the pushing block 3423 to move upwards synchronously, the upwards moving pushing block one 3423a, the upwards moving pushing block two 3423b and the pushing block three 3423c withdraw the limit of the limit components one 3412a, two 3412b and three 3412c respectively, at this time, the push rod 3413 in the first limiting component 3412a is located between the first abutting block 3423a and the second abutting block 3423b, the push rod 3413 in the second limiting component 3412b is located between the second abutting block 3423b and the third abutting block 3423c, and the push rod 3413 in the third limiting component 3412c is located below the third abutting block 3423 c.

The locking member 3410 cooperates with the adaptive member 3430 to perform the position-limiting fixing of the position-limiting fixing discs 221 with different thicknesses, which is characterized in that the push rod 3413 in the first position-limiting component 3412a abuts against the inclined section P of the sensing frame 3432, the push rod 3413 in the second position-limiting component 3412b and the push rod 3413 in the third position-limiting component 3412c both abut against the vertical section M of the sensing frame 3432, the first position-limiting component 3412a pushes the corresponding position-limiting fixing block 3415 towards the inside of the barrel 3311 through the first mating socket 3317 under the elastic force of the position-limiting spring 3416, and at this time, the position-limiting component 3412a sequentially moves towards the mating socket 3316 from top to bottom until the position-limiting fixing block 3415 in one of the position-limiting components 3412 passes through the mating socket 3316 to move into the barrel 3311 and position-limiting fixing the position-limiting fixing disc 221 The lower side of the fixed disk 221 realizes the limiting and fixing of the limiting and fixing disk 221, the connecting rod 3414 and the push rod 3413 in the limiting component one 3412a synchronously move along with the limiting and fixing block 3415, in the process, the push rod 3413 in the limiting component one 3412a overcomes the elastic force of the compression spring 3434 to press the induction frame 3432 down along the guide rod 3431, the push rod 3413 in the limiting component one 3412a moves from the inclined section N to the horizontal section P and is clamped in the self-locking groove 3433, and the limiting component two 3412b and the limiting component three 3412c are in the original state; when the second position-limiting component 3412b positions and fixes the position-limiting fixing disk 221, the position-limiting fixing block 3415 in the first position-limiting component 3412a is inserted into the second mating socket 3318, and the insertion into the cylinder 3311 is blocked by the position-limiting fixing disk 221, in this process, the push rod 3413 in the first position-limiting component 3412a presses the induction frame 3432 down along the guide rod 3431 against the elastic force of the compression spring 3434, and the push rod 3413 in the first position-limiting component 3412a moves from the inclined section N to the joint of the inclined section N and the horizontal section P and cannot be clamped into the self-locking groove 3433, at this time, the inclined section N of the pressed induction frame 3423 abuts against the push rod 3413 in the second position-limiting component 3412b, the second position-limiting component 3412b pushes the corresponding position-limiting fixing block 3415 from the second mating socket 3318 to the inside of the cylinder 3311 under the elastic force of the position-limiting spring 3416, the position-limiting fixing block 3415 in the second position-limiting component 3412b can be inserted into the inside of the cylinder 3311 and located on the, the limiting fixing of the limiting fixing disc 221 is realized, the connecting rod 3414 and the push rod 3413 in the limiting component II 3412b synchronously move along with the limiting fixing block 3415, in the process, the push rod 3413 in the limiting component II 3412b presses the induction frame 3432 down along the guide rod 3431 under the action of the elastic force of the compression spring 3434, the push rod 3413 in the limiting component II 3412b moves from the inclined section N to the horizontal section P and is clamped into the self-locking groove 3433, and the limiting component III 3412c is in an original state; when the third stopper component 3412c stops and fixes the stopper fixing disk 221, the stopper fixing disk 221 stops when the first stopper component 3412a and the stopper fixing block 3415 in the second stopper component 3412b are inserted into the cylinder 3311, the third stopper component 3412c pushes the corresponding stopper fixing block 3415 into the cylinder 3311 through the mating socket three 3319 under the elastic force of the stopper spring 3416, the stopper fixing block 3415 in the third stopper component 3412c can be smoothly inserted into the cylinder 3311 and is located on the lower side of the stopper fixing disk 221, the stopper fixing of the stopper fixing disk 221 is realized, and the push rod 3413 in the third stopper component 3412 is clamped into the self-locking groove 3433.

Referring to fig. 20-21, the reset mechanism 350 includes a reset contact pin 351 disposed on the lug 324, the reset contact pins 351 are provided with two and are symmetrically arranged front and back, the reset contact pins 351 are vertically arranged and extend upwards to the upper end surface of the installation box 316, the upper end surface of the mounting box 316 is provided with a dial 352 matched with the reset contact pin 351, the reset dial 352 is coaxially and rotatably sleeved outside the support rod 313, the lower end surface of the dial 352 is provided with avoidance grooves 353, the avoidance grooves 353 are four and are arranged along the circumferential direction of the dial 352, the escape groove 353 includes a horizontal groove 354 and an inclined groove 355, the reset contact pin 351 extends to the groove bottom of the horizontal groove 354, the groove bottom of the inclined groove 355 extends from the horizontal groove 354 to the lower end surface of the dial 352, the horizontal groove 354 points to the inclined groove 355 and is consistent with the counterclockwise rotation direction of the dial 352, an indication lever 356 for reminding a user of rotational reset is provided on the outside of the dial 352.

The reset mechanism 350 is embodied in that the dial 352 is rotated clockwise, the reset contact pin 351 transitions from the horizontal groove 354 to the inclined groove 355 and is always abutted against the bottom of the escape groove 353, since the bottom of the inclined groove 355 extends from the horizontal groove 354 to the lower end surface of the dial 352, the inclined groove 355 and the reset contact pin 351 cooperate with each other and press down the reset contact pin 351, the reset contact pin 351 drives the cylinder 3311 to move synchronously downward against the elastic force of the floating spring 3314, the lug 3312, the blocking pin 3313 and the linkage frame 3421 move synchronously downward along with the cylinder 3311, the downward movement of the linkage frame 3421 causes the abutting block 3423 to move downward, the downward pressing action of the lower end inclined end surface of the abutting block 3423 causes the push rod 3413 to move away from the locking frame 3411 against the elastic force of the limit spring 3416 to reset, and simultaneously, the push induction frame 3432 is pushed to slide vertically upward along the guide rod 3431 to reset under the elastic force of the compression spring 3434, the reset of the position-limiting component 3412 releases the position-limiting fixing of the position-limiting fixing disk 221, at this time, the docking connector mechanism 200 is withdrawn from the docking interface mechanism 320, the tapered guide disk 222 and the tapered guide opening 322 are disengaged from each other, the trigger slider 3323 moves to the tapered guide opening 322 from the sliding groove 325 under the elastic force of the trigger spring 3322 to realize the reset, the stopper 3324 automatically resets along with the movement of the trigger slider 3323, the stopper 3324 limits the stopper pin 3313, thereby completing the reset of the fixing device 300, and the dial 352 is rotated counterclockwise to restore the reset mechanism 350 to the initial state.

An automatic installation method of a projector applied to the video media industry comprises the following steps:

inserting automatic installation stage;

s1: the projector 100 is fixedly connected with the butt joint mechanism 200, the fixing device 300 is fixedly installed on a ceiling, the butt joint mechanism 200 is detachably connected and matched with the fixing device 300, the butt joint mechanism 200 is set to be in an inserting state and a pulling-out state which can be freely switched, the inserting state is that the butt joint mechanism 200 is butted with the fixing device 300 and the fixing device 300 is automatically triggered to limit and fix the butt joint mechanism 200, the pulling-out state is that the fixing device 300 is manually reset and the fixing device 300 withdraws to limit and fix the butt joint mechanism 200;

the projector 100 comprises a projector body 101 which is horizontally arranged in a rectangular shape, the projector body 101 is used for projecting and projecting multimedia videos onto a curtain which is matched with the projector body 101, a multimedia interface 102 and an audio interface 103 are arranged at the rear end of the projector body 101, the multimedia interface 102 and the audio interface 103 are used for connecting and transmitting the projector body 101 and multimedia equipment in a signal mode, the multimedia interfaces 102 are arranged in two and at intervals, the audio interfaces 103 are arranged in three and at intervals, a projection lens 104 is arranged at the front end of the projector body 101, the projection lens 104 is used for projecting converted videos received by the projector body 101 onto the curtain, and the projector 100 is embodied in the working process that a user projects videos between the projector body 101 and the multimedia equipment through the multimedia interface 102, The audio interface 103 establishes signal connection, starts the projector body 101 and enables the projection lens 104 to correspond to a screen which is arranged in a matching way, controls the multimedia equipment to play video and audio, and the video and audio signals are transmitted into the projector body 101 from the multimedia interface 102 and the audio interface 103 and are synchronously projected with the multimedia equipment through the projection of the projection lens 104;

a plurality of heat dissipation holes 105 arranged at intervals are formed in the outer part of the projector body 101, and the heat dissipation holes 105 are used for timely discharging heat generated by the operation of the projector body 101 to the outside;

s2: the butt joint mechanism 200 is vertically arranged in the middle of the upper end face of the projector body 101 and is fixedly connected with the upper end face of the projector body 101, the butt joint mechanism 200 comprises a suspension rod 210 arranged on the upper end face of the projector body 101 and a joint member 220 arranged on the top end of the suspension rod 210, the bottom end of the suspension rod 210 is fixedly connected with the projector body 101, the top end of the joint member 220 is fixedly connected with the joint member 220 and comprises a limit fixing disc 221 arranged on the top end side of the suspension rod 210, the limit fixing disc 221 and the suspension rod 210 are coaxially arranged, the diameter of the limit fixing disc 221 is larger than that of the suspension rod 210, the upper end face of the limit fixing disc 221 is provided with a conical guide disc 222, the conical guide disc 222 is matched with the suspension rod 210, the distance between conical surfaces of the conical guide disc 222 is gradually reduced from bottom to top along the vertical direction, the upper end face of the conical guide, the limiting grooves 224 are arranged in the vertical direction and have the same axial length as the joint columns 223, the limiting grooves 224 are four and are arranged in a cross shape, a user holds the projector body 101 by hand and inserts the butt joint mechanism 200 into the fixing device 300 in the process of installing the projector 100, the conical guide disc 222 guides the joint member 220, meanwhile, the conical guide disc 222 enables the fixing device 300 to be automatically triggered, and the triggered fixing device 300 limits and fixes the inserted limiting fixing disc 221;

s3: the fixing device 300 comprises a lifting adjusting mechanism 310, a docking interface mechanism 320, a triggering floating mechanism 330, a self-adaptive locking mechanism 340 and a resetting mechanism 350, wherein the lifting adjusting mechanism 310 is used for adjusting the height between the suspension end of the self-body and the ground, the docking interface mechanism 320 is used for receiving the insertion of the docking joint mechanism 200 and completing the mutual docking of the two, the triggering floating mechanism 330 is used for converting the thrust generated by the insertion of the docking joint mechanism 200 into self-triggering thrust and realizing the upward floating of the self-body, the self-adaptive locking mechanism 340 is used for limiting the fixed disc 221 to be locked and limited and fixed, the resetting mechanism 350 is used for enabling the triggered triggering floating mechanism 330 to realize manual resetting, the docking interface mechanism 320, the triggering floating mechanism 330 and the adaptive locking mechanism 340 are all arranged inside the lifting adjusting mechanism 310, the reset mechanism 350 is disposed outside the lifting adjusting mechanism 310 and extends into the lifting adjusting mechanism 310;

the lifting adjusting mechanism 310 comprises a square mounting top plate 311 which is mounted on a ceiling and horizontally arranged, a rod sleeve 312 which is vertically downward and is arranged in a hollow manner is arranged in the middle of the mounting top plate 311, a supporting rod 313 which is vertically downward extending is coaxially and movably arranged in the rod sleeve 312, the supporting rod 313 is matched with the rod sleeve 312, the length of the downward extending of the supporting rod 313 can be manually adjusted, a rectangular mounting box 316 which is horizontally arranged is arranged at the bottom end of the supporting rod 313, openings are arranged at two ends of the rectangular mounting box 316 in the width direction, end covers 317 matched with the openings are arranged at the openings, an insertion opening matched with the rectangular mounting box 316 is arranged at the bottom of the mounting box 316, the insertion opening is matched with the butt joint mechanism 200 and is coaxially arranged with the supporting rod 313, the butt joint mechanism 320, the trigger floating mechanism 330 and the self-adaptive locking mechanism 340 are all arranged in the mounting box 316, the resetting mechanism 350 is arranged on, the outer part of the rod sleeve 312 is provided with pin holes 314 arranged along the radial direction of the rod sleeve, the pin holes 314 are arranged along the axial direction of the rod sleeve 312 at intervals up and down, the support rod 313 is provided with locking holes arranged along the radial direction of the support rod, the locking holes are matched with the pin holes 314, and a locking pin 315 for locking the pin holes 314 and the locking holes is arranged between the pin holes 314 and the locking holes;

the lifting adjusting mechanism 310, during use, fixedly mounts the top mounting plate 311 on a selected ceiling, and makes the rod sleeve 312 in a vertically suspended state, and controls and adjusts the mounting height of the projector 100 by adjusting the suspended height of the mounting box 316, the suspended height of the mounting box 316 depends on the length of the support rod 313 extending downward from the rod sleeve 312, the process of adjusting the length of the support rod 312 extending downward is embodied in that a user holds the mounting box 316 by hand, pulls out the locking pin 315 from the pin hole 314 and the locking hole, the support rod 313 can freely move up and down along the rod sleeve 312, when the height of the mounting box 316 needs to be increased, moves the support rod 313 up along the rod sleeve 312, when the height of the mounting box 316 needs to be decreased, moves the support rod 313 down along the rod sleeve 312, rotates the support rod 313 to a proper position and makes the locking hole correspond to the matched pin hole 314, the locking pin 315 is inserted into the locking hole and the pin hole 314, so that the rod sleeve 312 is fixedly connected and matched with the support rod 313;

s4: the docking interface mechanism 320 comprises a docking sleeve 321 which is arranged in the installation box 316 and extends into the support rod 313, the docking sleeve 321 is matched with the joint column 223, the docking sleeve 321 and the support rod 313 are coaxially arranged, the docking sleeve 321 is fixedly connected with the top of the installation box 316, a tapered guide port 322 is arranged at an opening at the lower end of the docking sleeve 321, the distance between tapered surfaces of the tapered guide port 322 is gradually increased from top to bottom along the vertical direction, the tapered guide port 322 is matched with the tapered guide disc 222, a vertically arranged limiting block 323 is arranged in the docking sleeve 321, four limiting blocks 323 are arranged and matched with the limiting grooves 224, two convex blocks 324 are arranged at the opening at the lower end of the docking sleeve 321 in a left-right symmetrical mode, and the distance direction between the symmetrically arranged convex blocks 324 is parallel to the length direction of the installation box 316, the convex block 324 is arranged corresponding to the conical guide opening 322, a sliding groove 325 arranged along the distance direction of the convex block 324 is arranged in the convex block 324, and the sliding groove 325 extends from the outside of the convex block 324 to the conical guide opening 322;

the docking interface mechanism 320 is specifically adapted to the docking mechanism 200 by inserting the joint member 220 in the docking mechanism 200 into the installation box 316 from the insertion opening at the bottom of the installation box 316 and aligning with the docking sleeve 321, inserting the joint column 223 into the tapered guide opening 322 and moving the docking sleeve 321 under the guidance of the tapered guide opening 322, rotating to adjust the joint column 223 and make the position of the limit groove 224 correspond to the position of the limit block 323, adjusting the projection direction of the projector 100 while rotating, rotating the projector 100 clockwise/counterclockwise, synchronously rotating the joint column 223 in the joint member 220 to make the limit block 223 and the limit groove 224 match again, then inserting the joint column 223 into the docking sleeve 321, and engaging the limit block 223 with the limit groove 224 until the tapered guide disc 222 and the tapered guide opening 322 complete engagement, the butt joint mechanism 200 and the butt joint interface mechanism 320 complete connection and matching, in the matching process, the floating mechanism 330 is triggered, the self-adaptive locking mechanism 340 realizes limiting and fixing on the limiting fixing disc 221, the butt joint mechanism 200 and the butt joint interface mechanism 320 complete fixed connection, and the hanging and installation of the projector 100 are completed;

s5: the floating trigger mechanism 330 includes a floating component 3310 and a trigger component 3320, the floating component 3310 is used to cooperate with the adaptive locking mechanism 340 to limit and fix the limit and fixing disk 221, the trigger component 3320 is used to provide an avoidance for the floating component 3310 to float upwards, the floating component 3310 includes a barrel 3311 disposed below the docking sleeve 321, the barrel 3311 and the docking sleeve 321 are coaxially disposed, the diameter of the barrel 3311 is greater than that of the docking sleeve 321, two lugs 3312 are disposed outside the barrel 3311 and symmetrically disposed left and right, the lugs 3312 are matched with the barrel 3311, the spacing direction of the lugs 3312 is parallel to the length direction of the installation box 316, the middle of the lugs 2 is provided with a matching socket 3316, the matching socket 3316 is disposed along the length direction of the installation box 316 and communicated with the barrel 3311, the matching socket 3316 is provided with at least three sockets 3317, 3, A second matching socket 3318 and a third matching socket 3319, wherein the first matching socket 3317, the second matching socket 3318 and the third matching socket 3319 are sequentially distributed from top to bottom and are arranged at intervals between adjacent matching sockets 3316, a floating spring 3314 is arranged between the bottom of the cylinder 3311 and the installation box 316, the floating spring 3314 is matched with the cylinder 3311, one end of the floating spring 3314 is connected with the bottom of the installation box 326, the other end of the floating spring 3314 is connected with a lug 3312, the elastic force of the floating spring 3314 always points to the lug 3312 from the bottom of the installation box 316, the upper end surfaces of the lugs 3312 are respectively provided with two stop pins 3313 which are vertically and upwardly arranged, the stop pins 3313 are respectively arranged at two and symmetrically arranged from front to back, the stop pins 3313 are arranged at intervals and arranged in a direction parallel to the width direction of the installation box 316, the upper end surface of the lug 3315 is provided with an avoidance port 3315, the avoidance port 3315 is arranged between the stop pins 3313 symmetrically arranged from front to back, the trigger member 3320 is provided with two sets and is matched with the lug 3312, the trigger member 3320 comprises a first support shaft 3321 arranged on the inner wall of the installation box 316, the first support shaft 3321 is arranged in the length direction parallel to the installation box 316 and corresponds to the sliding groove 325, a trigger spring 3322 is sleeved outside the first support shaft 3321, one end of the trigger spring 3322 is connected with the inner wall of the installation box 316, the other end of the trigger spring 3322 freely extends to the opening of the sliding groove 325, a trigger slider 3323 is arranged at the extending end of the trigger spring 3322, the trigger slider 3323 is matched with the sliding groove 325, the axial direction of the first support shaft 3321 forms a sliding guide fit, the trigger slider 3323 extends into the conical guide opening 322, the end surface of the trigger slider 3323 is matched with the conical guide opening 322, the trigger sliders 3323 are arranged at intervals, a stop block 3324 is arranged at one end surface of the trigger slider 3323 close to the trigger spring 3322, the stoppers 3324 are provided in two and are symmetrically arranged in front and rear directions, and the stoppers 3324 are matched with the stopper pins 3313 and restrict the upward movement of the stopper pins 3313;

the trigger floating mechanism 330 is embodied in that when the docking adapter mechanism 200 is docked with the docking interface mechanism 320, the tapered guide disc 222 and the tapered guide port 322 are in mutual docking engagement to provide a pushing force for triggering the trigger member 3320, before the tapered guide disc 222 and the tapered guide port 322 are in engagement, the tapered guide disc 222 abuts against the trigger slider 3323 and the tapered guide disc 222 moves upward to push the trigger slider 3323 to slide along the sliding groove 325 toward the first support shaft 3321, the trigger slider 3323 drives the stopper 3324 to move synchronously, the trigger spring 3322 gradually compresses and has an elastic potential gradually increasing under the support of the first support shaft 3321, the stopper 3324 moving toward the first support shaft 3321 releases the limit of the stopper pin 3313, at this time, the trigger member 3320 releases the limit of the floating member 3310, the floating spring 3314 pushes the barrel body 1 to move vertically upward, and the lugs 3312, 3313, and 3311 disposed on the barrel body 3311, The stop pins 3313 move synchronously upward, the arrangement of the avoidance ports 3315 provides avoidance for the upward movement of the barrel lugs 3312, at this time, the mating sockets 3316 align with the adaptive locking mechanism 340, and the upward moving floating members 3310 match with the adaptive locking mechanism 340 and can cooperate with the adaptive locking mechanism 340 to limit and fix the limit fixing disc 221;

s6: the adaptive locking mechanism 340 comprises a locking member 3410 for limiting and fixing the limiting fixing disc 221, a pushing member 3420 for limiting the locking member 3410 and an adaptive member 3430 for controlling the limiting and fixing process of the limiting fixing disc 221 by the locking member 3410, wherein the adaptive locking mechanism 340 is provided with two groups which are arranged symmetrically left and right and are arranged correspondingly to the matching sockets 3316;

the locking component 3410 includes a locking frame 3411 vertically arranged, the top end of the locking frame 3411 is fixedly connected with the top of the installation box 316, the bottom end is freely suspended, the locking frame 3411 is provided with a limiting component 3412 horizontally arranged along the length direction of the installation box 316, the limiting component 3412 is provided with at least three groups at intervals up and down and matched with the matching sockets 3316, in this embodiment, the limiting component 3412 is provided with three groups and respectively provided with a first limiting component 3412a, a second limiting component 3412b and a third limiting component 3412c, the first limiting component 3412a, the second limiting component 3412b and the third limiting component 3412c are correspondingly matched with the first matching socket 3417, the second matching socket 3318 and the third matching socket 3319, the limiting component 3412 includes a push rod 3413 arranged on the side of the locking frame 3411, the push rod 3413 is horizontally arranged, and the central axis direction of the push rod 3413 is parallel to the width direction of the installation box 3313313313311, the exterior of said push rod 3413 is provided with the connecting rod 3414 that is arranged towards the locking frame 3411 and the connecting rod 3414 passes the locking frame 3411 and extends to the exterior of the barrel 3311, the connecting rod 3414 is provided with two and symmetrical arrangement from front to back, the central axis direction of the connecting rod 3414 is parallel to the length direction of the installation box 316, the connecting rod 3414 matches with the installation hole opened on the locking frame 3411, the connecting rod 3414 forms a sliding guide fit with the installation hole along the axial direction of the connecting rod 3414, the end of said connecting rod 3414 facing away from the push rod 3413 is provided with the position limiting fixed block 3415, said position limiting fixed block 3415 is in contact with the barrel 3311 and is arranged in a dislocation way with the mating socket 3316, said position limiting fixed block 3415 is located on the upper side of the mating socket 3316 matched with it, a position limiting spring 3416 is provided between said position limiting fixed block 3415 and the locking frame 3411, the elastic force of the limiting spring 3416 is always directed to the position limiting fixed block 3415 by the locking frame 3411 Support shaft two 3416a provides support;

the pushing components 3420 are provided with two groups and are symmetrically arranged front and back, the symmetrically arranged pushing components 3420 are arranged at one end of the push rod 3413, the pushing components 3420 include a linkage rack 3421 arranged along the length direction of the installation box 316, one end of the linkage rack 3421 is fixedly connected with the lug 3312, the other end extends towards the push rod 3413 and is provided with a vertical plate 3422 arranged vertically, the vertical plate 3422 is matched with the position-limiting component 3412, a pushing block 3423 fixedly connected with the vertical plate 3422 into a whole is arranged between the vertical plate 3422 and the push rod 3413, the upper end surface of the pushing block 3423 is arranged into a horizontal end surface, the lower end surface is arranged into an inclined end surface, the vertical end surface is arranged into a vertical end surface close to the push rod 3413, the distance between the inclined end surface and the horizontal end surface is gradually reduced from the vertical end surface pointed by the vertical plate 3422, the vertical end surface is abutted against the push rod 3413, the pushing block 3423 includes a first pushing block 3423a, a second pushing block and a third, the first abutting block 3423a, the second abutting block 3423b and the third abutting block 3423c are sequentially arranged from top to bottom and are respectively arranged corresponding to the first limiting component 3412a, the second limiting component 3412b and the third limiting component 3412c one by one;

the adaptive component 3430 comprises a guide rod 3431 fixedly arranged at the bottom end of the locking frame 3411 and facing away from the cylinder 3311, the guide rod 3431 is vertically arranged, an induction frame 3432 used for limiting the limiting component 3412 is arranged on the guide rod 3431 in a sliding manner, both ends of the induction frame 3432 and the guide rod 3432 form a sliding guide fit in the vertical direction, the induction frame 3432 is sequentially provided with a horizontal section P, an inclined section N, a vertical section M and a reverse section from the upper end to the lower end, the inclined section N is matched and corresponding to the push rod 3413 in the limiting component 3412a, the horizontal section P is provided with a self-locking groove 34133, a compression spring 3434 is arranged outside the guide rod 3431, and the elastic force of the compression spring 3434 is directed to the induction frame 3432 by the elastic force of the guide rod 3431;

the adaptive locking mechanism 340 is embodied in the working process that the butt joint mechanism 200 and the butt joint interface mechanism 320 are in butt joint, the adaptive locking mechanism 340 can limit and fix the limit fixing discs 222 with different specifications and thicknesses, at this time, the limit fixing discs 222 are positioned in the cylinder 3311, the floating trigger mechanism 330 triggers, the cylinder 3311 floats upwards to promote the limit components one 3412a, two 3412b and three 3412c to align with the matching sockets one 3317, two 3318 and three 3319, and to drive the linkage frame 3421 to move upwards synchronously, so as to drive the vertical plate 3422 and the pushing block 3423 to move upwards synchronously, the upwards moving pushing block one 3423a, the upwards moving pushing block two 3423b and the pushing block three 3423c withdraw the limit of the limit components one 3412a, two 3412b and three 3412c respectively, at this time, the push rod 3413 in the first limiting component 3412a is located between the first abutting block 3423a and the second abutting block 3423b, the push rod 3413 in the second limiting component 3412b is located between the second abutting block 3423b and the third abutting block 3423c, and the push rod 3413 in the third limiting component 3412c is located below the third abutting block 3423 c;

the locking member 3410 cooperates with the adaptive member 3430 to perform the position-limiting fixing of the position-limiting fixing discs 221 with different thicknesses, which is characterized in that the push rod 3413 in the first position-limiting component 3412a abuts against the inclined section P of the sensing frame 3432, the push rod 3413 in the second position-limiting component 3412b and the push rod 3413 in the third position-limiting component 3412c both abut against the vertical section M of the sensing frame 3432, the first position-limiting component 3412a pushes the corresponding position-limiting fixing block 3415 towards the inside of the barrel 3311 through the first mating socket 3317 under the elastic force of the position-limiting spring 3416, and at this time, the position-limiting component 3412a sequentially moves towards the mating socket 3316 from top to bottom until the position-limiting fixing block 3415 in one of the position-limiting components 3412 passes through the mating socket 3316 to move into the barrel 3311 and position-limiting fixing the position-limiting fixing disc 221 The lower side of the fixed disk 221 realizes the limiting and fixing of the limiting and fixing disk 221, the connecting rod 3414 and the push rod 3413 in the limiting component one 3412a synchronously move along with the limiting and fixing block 3415, in the process, the push rod 3413 in the limiting component one 3412a overcomes the elastic force of the compression spring 3434 to press the induction frame 3432 down along the guide rod 3431, the push rod 3413 in the limiting component one 3412a moves from the inclined section N to the horizontal section P and is clamped in the self-locking groove 3433, and the limiting component two 3412b and the limiting component three 3412c are in the original state; when the second position-limiting component 3412b positions and fixes the position-limiting fixing disk 221, the position-limiting fixing block 3415 in the first position-limiting component 3412a is inserted into the second mating socket 3318, and the insertion into the cylinder 3311 is blocked by the position-limiting fixing disk 221, in this process, the push rod 3413 in the first position-limiting component 3412a presses the induction frame 3432 down along the guide rod 3431 against the elastic force of the compression spring 3434, and the push rod 3413 in the first position-limiting component 3412a moves from the inclined section N to the joint of the inclined section N and the horizontal section P and cannot be clamped into the self-locking groove 3433, at this time, the inclined section N of the pressed induction frame 3423 abuts against the push rod 3413 in the second position-limiting component 3412b, the second position-limiting component 3412b pushes the corresponding position-limiting fixing block 3415 from the second mating socket 3318 to the inside of the cylinder 3311 under the elastic force of the position-limiting spring 3416, the position-limiting fixing block 3415 in the second position-limiting component 3412b can be inserted into the inside of the cylinder 3311 and located on the, the limiting fixing of the limiting fixing disc 221 is realized, the connecting rod 3414 and the push rod 3413 in the limiting component II 3412b synchronously move along with the limiting fixing block 3415, in the process, the push rod 3413 in the limiting component II 3412b presses the induction frame 3432 down along the guide rod 3431 under the action of the elastic force of the compression spring 3434, the push rod 3413 in the limiting component II 3412b moves from the inclined section N to the horizontal section P and is clamped into the self-locking groove 3433, and the limiting component III 3412c is in an original state; when the third limiting component 3412c limits and fixes the limiting fixing disc 221, the first limiting component 3412a and the limiting fixing block 3415 in the second limiting component 3412b are inserted into the cylinder 3311 and are blocked by the limiting fixing disc 221, the third limiting component 3412c pushes the corresponding limiting fixing block 3415 to the inside of the cylinder 3311 through the matching socket three 3319 under the elastic force of the limiting spring 3416, the limiting fixing block 3415 in the third limiting component 3412c can be smoothly inserted into the inside of the cylinder 3311 and is positioned on the lower side of the limiting fixing disc 221, limiting and fixing of the limiting fixing disc 221 is realized, and the push rod 3413 in the third limiting component 3412 is clamped into the self-locking groove 3433;

(II) pulling out and resetting;

s7: the manual adjustment reset mechanism 350 releases the fixing device 300 from the limit fixing of the docking mechanism 200, and simultaneously pulls out the docking mechanism 200 from the docking interface mechanism 320 and resets the fixing device 300, the reset mechanism 350 includes a reset contact pin 351 disposed on the lug 324, the reset contact pin 351 is provided with two and front and back symmetrically disposed, the reset contact pin 351 is vertically disposed and extends upward to the upper end surface of the mounting box 316, the upper end surface of the mounting box 316 is provided with a dial 352 matched with the reset contact pin 351, the reset dial 352 is coaxially and rotatably sleeved outside the support rod 313, the lower end surface of the dial 352 is provided with avoidance grooves 353, the avoidance grooves 353 are provided with four and are disposed along the circumferential direction of the dial 352, the avoidance grooves 353 include a horizontal groove 354 and an inclined groove 355, the reset contact pin 351 extends to the groove bottom of the horizontal groove 354, the groove bottom of the inclined groove 355 extends to the lower end surface of the dial 352 from the horizontal groove 354, the horizontal groove 354 points to the inclined groove 355 and is consistent with the anticlockwise rotation direction of the dial 352, and an indicating rod 356 for reminding a user of rotating and resetting is arranged outside the dial 352;

the reset mechanism 350 is embodied in that the dial 352 is rotated clockwise during the reset process, the reset contact pin 351 is transited from the horizontal groove 354 to the inclined groove 355 and is always abutted against the groove bottom of the escape groove 353, the inclined groove 355 and the reset contact pin 351 are mutually matched and press the reset contact pin 351 downwards, the reset contact pin 351 drives the cylinder 3311 to downwards synchronously move against the elastic force of the floating spring 3314, the lug 3312, the stop pin 3313 and the linkage frame 3421 synchronously move downwards along with the cylinder 3311, the downward movement of the linkage frame 3421 drives the abutting block 3423 to downwards move, the downward pressing action of the inclined end surface at the lower end of the abutting block 3423 forces the push rod 3413 to move and reset against the elastic force of the limit spring 3416 and move away from the locking frame 3411, and simultaneously drives the induction frame 3432 to vertically slide upwards and reset along the guide rod 3431 under the elastic force of the compression spring 3434, the reset of the limit component 3412 releases the limit fixation disc 221, at this time, the docking head mechanism 200 is withdrawn from the docking interface mechanism 320, the tapered guide disc 222 and the tapered guide opening 322 are disengaged from each other, the trigger slider 3323 moves to the tapered guide opening 322 from the slide groove 325 under the elastic force of the trigger spring 3322 to be reset, the stopper 3324 automatically resets along with the movement of the trigger slider 3323, the stopper 3324 limits the stopper pin 3313, the fixing device 300 resets, and the dial 352 is rotated counterclockwise to restore the reset mechanism 350 to the initial state.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention; various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A multi-angle freely adjusts projecting apparatus for film and television media, its characterized in that: the projector is fixedly connected with the butt joint mechanism, the butt joint mechanism is detachably connected and matched with the fixing device, the fixing device is fixedly arranged on a ceiling, the butt joint mechanism is set into an insertion state and a pull-out state which can be freely switched, the insertion state is that the butt joint mechanism is in butt joint with the fixing device and the fixing device is automatically triggered to limit and fix the butt joint mechanism, the pull-out state is that the fixing device is manually reset and the fixing device withdraws to limit and fix the butt joint mechanism;

the projector comprises a projector body which is horizontally arranged in a rectangular shape and is used for projecting and projecting multimedia videos onto a curtain which is matched with the projector body, a multimedia interface and an audio interface are arranged at the rear end of the projector body, the multimedia interface and the audio interface are used for carrying out signal connection and transmission between the projector body and multimedia equipment, and a projection lens is arranged at the front end of the projector body and is used for projecting converted videos received by the projector body onto the curtain;

the butt joint mechanism is vertically arranged in the middle of the upper end face of the projector body and fixedly connected with the projector body, the butt joint mechanism comprises a suspension rod arranged on the upper end face of the projector body and a joint member arranged at the top end of the suspension rod, the bottom end of the suspension rod is fixedly connected with the projector body, and the top end of the suspension rod is fixedly connected with the joint member;

the joint member comprises a limiting fixing disc arranged on the end side of the top end of the suspender, the limiting fixing disc and the suspender are coaxially arranged, the diameter of the limiting fixing disc is larger than that of the suspender, a conical guide disc is arranged on the upper end face of the limiting fixing disc, the conical guide disc is matched with the suspender, the distance between conical surfaces of the conical guide disc is gradually reduced from bottom to top along the vertical direction, vertically arranged joint columns are coaxially arranged on the upper end face of the conical guide disc, limiting grooves matched with the joint columns are arranged outside the joint columns, the limiting grooves are arranged along the vertical direction and are consistent with the axial length of the joint columns, and four limiting grooves are arranged and are in a cross shape;

2. The multi-angle freely adjustable projector for video media according to claim 1, characterized in that: the butt joint interface mechanism comprises a butt joint sleeve which is arranged in the installation box and extends into the support rod, the butt joint sleeve is matched with the joint column, the butt joint sleeve and the support rod are coaxially arranged, the butt joint sleeve is fixedly connected with the top of the installation box, the opening at the lower end of the butt joint sleeve is provided with a conical guide port, the distance between conical surfaces of the conical guide port is gradually increased from top to bottom along the vertical direction, the conical guide port is matched with the joint member, a limit block which is vertically arranged is arranged in the butt joint sleeve, the limit block is provided with four lugs and is matched with the joint member, the opening at the lower end of the butt joint sleeve is provided with two lugs which are symmetrically arranged from left to right, the distance direction between the symmetrically arranged lugs is parallel to the length direction of the installation box, the lugs are correspondingly arranged with the conical guide port, and a sliding chute which, the sliding groove extends to the conical guide opening from the outer part of the convex block.

3. The multi-angle freely adjustable projector for video media of claim 2, wherein: the floating mechanism comprises a floating component and a triggering component, the floating component is used for limiting and fixing a joint component in a matched self-adaptive locking mechanism, the triggering component is used for avoiding upward floating of the floating component, the floating component comprises a barrel body arranged below a butt joint sleeve, the barrel body and the butt joint sleeve are coaxially arranged, the diameter of the barrel body is larger than that of the butt joint sleeve, two lugs are fixedly arranged outside the barrel body and are arranged in bilateral symmetry, the lugs are matched with the barrel body, the spacing direction of the lugs is parallel to the length direction of the installation box, matching sockets are arranged in the middle of the lugs and are communicated with the barrel body along the length direction of the installation box, at least three matching sockets are arranged, and are respectively a first matching socket, a second matching socket and a third matching socket, the first matching socket, the second matching socket and the third matching socket are sequentially distributed from top to bottom and are arranged at intervals between adjacent matching sockets, a floating spring is arranged between the bottom of the cylinder and the bottom of the installation box, the floating spring is matched with the cylinder, one end of the floating spring is connected with the bottom of the installation box, the other end of the floating spring is connected with a lug, the elastic force of the floating spring always points to the lug from the bottom of the installation box, the upper end surfaces of the lugs are respectively provided with two baffle pins which are vertically and upwards arranged, the baffle pins are symmetrically arranged front and back, the baffle pins are arranged at intervals and are arranged in parallel with the width direction of the installation box, the upper end surfaces of the lugs are provided with avoidance ports which are positioned between the baffle pins symmetrically arranged front and back, the trigger members are arranged above the baffle pins and are abutted against the baffle pins, and the trigger members are provided, the triggering component comprises a first supporting shaft arranged on the inner wall of the installation box, the first supporting shaft is arranged along the length direction parallel to the installation box and corresponds to the sliding groove, a trigger spring is sleeved outside the supporting shaft, one end of the trigger spring is connected with the inner wall of the mounting box, the other end of the trigger spring freely extends to the opening of the sliding chute, the extension end of the trigger spring is provided with a trigger slide block which is matched with the sliding groove and forms sliding guide fit along the axial direction of the first support shaft, the trigger slide block extends into the conical guide opening, the end surface of the extending end of the trigger slide block is matched with the conical surface of the conical guide opening, the two trigger slide blocks are arranged at intervals, the trigger slide block is provided with two stop blocks close to one end face of the trigger spring, the two stop blocks are symmetrically arranged in the front and back direction, and the stop blocks are matched with the stop pins and used for limiting the stop pins to move upwards.

4. The multi-angle freely adjustable projector for video media according to claim 1, characterized in that: the self-adaptive locking mechanism comprises a locking component for limiting and fixing a joint component, a self-adaptive component for limiting and fixing a pushing component and controlling the locking component to limit and fix the progress of the limiting and fixing disk, the self-adaptive locking mechanism is provided with two groups of limiting and bilateral symmetry arrangement and is correspondingly arranged with a matching socket, the locking component comprises a vertically arranged locking frame, the top end of the locking frame is fixedly connected with the top end of an installation box, the bottom end of the locking frame is freely suspended, the locking frame is provided with a limiting component horizontally arranged along the length direction of the installation box, the limiting component is provided with at least three groups at intervals and is matched with the matching socket, the limiting component is provided with three groups and is respectively a first limiting component, a second limiting component and a third limiting component, the first limiting component, the second limiting component and the third limiting component are matched with the matching socket, The second matching socket and the third matching socket are matched in a one-to-one correspondence manner, the limiting assembly comprises push rods arranged on one side, away from the barrel, of the locking frame, the push rods are horizontally arranged, the direction of the central axis of the push rods is parallel to the width direction of the installation box, connecting rods arranged towards the locking frame are arranged on the outer portions of the push rods, penetrate through the locking frame and extend to the outer portions of the barrel, the connecting rods are symmetrically arranged front and back, the direction of the central axis of the connecting rods is parallel to the length direction of the installation box, the connecting rods are matched with installation holes formed in the locking frame, the connecting rods and the installation holes form sliding guide matching along the axial direction of the connecting rods, limiting fixing blocks are arranged at one ends, away from the push rods, the limiting fixing blocks are abutted to the barrel and are arranged in a staggered manner with the matching sockets, the limiting, the limiting spring is arranged between the limiting fixed block and the locking frame, the elasticity of the limiting spring is always directed to the limiting fixed block by the locking frame, the limiting spring is positioned between the connecting rods which are symmetrically arranged front and back, the limiting spring is supported by the second supporting shaft arranged on the locking frame, the pushing components are provided with two groups which are symmetrically arranged front and back, the pushing components which are symmetrically arranged are arranged at one end of the push rod, the pushing components comprise a linkage frame which is arranged along the length direction of the installation box, one end of the linkage frame is fixedly connected with the lug, the other end of the linkage frame extends towards the push rod, the extending end of the linkage frame is provided with a vertical plate which is vertically arranged, the vertical plate is matched with the limiting component, a pushing block which is fixedly connected with the vertical plate into a whole is arranged between the vertical plate and the push rod, the upper end surface of the pushing, the distance between the inclined end face and the horizontal end face is gradually reduced from the vertical end face directed by the vertical plate, the vertical end face is abutted against the push rod, the abutting block comprises a first abutting block, a second abutting block and a third abutting block, the first abutting block, the second abutting block and the third abutting block are sequentially arranged from top to bottom and are respectively and correspondingly arranged with a first limiting assembly, a second limiting assembly and a third limiting assembly one by one, the self-adaptive component comprises a guide rod fixedly arranged at one side of the bottom end of the locking frame, which is far away from the barrel body, and the guide rod is vertically arranged, an induction frame used for limiting the limiting assemblies is slidably arranged on the guide rod, two ends of the induction frame and the guide rod form sliding guide fit along the vertical direction, the induction frame is sequentially provided with a horizontal section P, an inclined section N, a vertical section M and a return section from the upper end to the lower end, the inclined section N is matched and corresponds to the push rod in the first limiting assembly, the horizontal section P is provided with a self-locking groove, a compression spring is arranged outside the guide rod, and the elastic force of the compression spring points to the induction frame through the elastic force of the guide rod.

5. The multi-angle freely adjustable projector for video media according to claim 1, characterized in that: canceling release mechanical system including setting up the feeler pin that resets on the lug, the feeler pin that resets be provided with two and around symmetrical arrangement, the vertical arrangement of feeler pin that resets and upwards extend to the up end of install bin, the up end of install bin be provided with reset feeler pin assorted driver plate, the coaxial rotation cover of driver plate locate the outside of bracing piece, the lower terminal surface of driver plate be provided with and dodge the groove, dodge the groove and be provided with four and arrange along the circumference of driver plate, dodge the groove including horizontal groove and inclined groove, reset the feeler pin and extend to the tank bottom of horizontal groove, the tank bottom of inclined groove is extended to the lower terminal surface of driver plate by the horizontal groove, the directional inclined groove of horizontal groove is unanimous with the anticlockwise rotation direction of driver plate, the outside of driver plate is provided with and is used for reminding the user to rotate the indicator.