CN108741694A - Multifunctional desk - Google Patents

Abstract

The invention discloses a kind of Multifunctional desks, including desk body, switching top plate is installed by damping articulated mounting in desk body, display is installed on switching top plate, inserting is electrically connected with auricular appendage wheat on display, further includes the video recorder that can be recorded a video to blackboard, further includes the controller being electrically connected with video recorder and display, further include the communicator with controller wireless telecommunications, main headset is fitted on communicator.The advantages of this Multifunctional desk, effect was：It is reasonable for structure, deft design, student can be facilitated to learn in classroom, student can be assisted to attend class again attentively to pay attention to the class, avoid influencing each other between classmate, for example interfering between adjacent deskmate, front and back table, because blocking interference caused by height differences, because front classmate rocks attention interference etc. caused by body, also there is this Multifunctional desk experiential function, a table to be mostly used.

Description

Multifunctional desk

Technical field

The present invention relates to a kind of Multifunctional desks.

Background technology

Study table is the upper desk used class hour of student.Study table used at present is made of table leg, desktop and table hole, Simple in structure, of low cost, application is very universal.But common study table has a single function, in addition to basic studies work(can be completed Can, without any miscellaneous function.When using such study table at school, after the height of front classmate more or less can all block The sight of square student；The shaking of front classmate's body but will interfere the wholwe-hearted degree that rear classmate learns；It is influenced by distance, behind classroom The classmate of side is likely to not see blackboard or does not hear the language of teacher；Influenced by position angle, a certain avris in classroom it is same Because of light in the reflective of blackboard may cause not seeing whatever.In examination or writing, all do not have all around It blocks, the action of surrounding classmate may influence oneself, or even can steal a glance at or plagiarize oneself.In addition, common desk is for upper reality Class is tested also without miscellaneous function.

Invention content

It is a kind of reasonable for structure the technical problem to be solved by the present invention is to provide against the above deficiency, there is traditional desk pattern With miscellaneous function pattern, under miscellaneous function pattern no matter in which position of classroom not by around classmate's height, shake even Distance, the reflective influence of light, can see clearly and listen clear upper class hour, the anti-cheating of energy in examination, can be anti-in laboratory It goes back to school and practises experimental procedure details and viewing experiment effect, and there is auto-switch function, Multifunctional desk easy to operate.

In order to solve the above technical problems, this Multifunctional desk includes desk body, desk body includes table leg, desktop and table hole, It is structurally characterized in that：Desktop prelaminar part is hingedly equipped with by damping articulated mounting and can be fastened on desktop and can be when starting The switching top plate for the state of starting can be automatically kept；The buckling surface edge fixed ring for switching top plate is equipped with the pallet of square shape, switching Two plate-girders being longitudinally extended are equipped at intervals in the middle part of the buckling surface of top plate, pallet inner cavity is divided into intermediate main chamber, position by plate-girder Left chamber in left side and the right chamber positioned at right side；Display is installed in main chamber, pocket is installed in left chamber, is loaded in pocket The auricular appendage wheat being electrically connected is inserted with display, Stationery bag is installed in right chamber, stationery is loaded in Stationery bag；Further include with it is several The controller of display electrical connection, the input terminal of controller are electrically connected with the video camera that can be mounted on shooting blackboard at the top of classroom, Further include can with the communicator of controller wireless telecommunications, on communicator inserting be electrically connected with main headset；The damping articulated mounting Including being fixedly mounted on the horizontal hinged shaft being laterally extended on desktop, switches to be connected on top plate and be rotatably assorted with horizontal hinged shaft suit Sleeve-board, horizontal hinged shaft both ends are coaxially connected with plate gear, the wobble wheel that diameter is much larger than plate gear are equipped in table hole, in table hole It is also equipped with the breast wheel of transmission engagement wobble wheel and plate gear respectively, desktop edge is equipped with the centre coordinated with breast wheel Hole；Wobble wheel edge is connected with the plate face oscillating deck concordant with track is swung up and down, and resistance is equipped on oscillating deck and table hole hole wall Damping member；It is also equipped with to be swung by oscillating deck when switching top plate and starting on the wall of table hole hole and trigger and automatic switching on display With the trigger device of controller, being equipped between two avris of desktop and switching top plate can start with switching top plate and stretch automatically Isolation curtain wall out, the isolation curtain wall includes being mounted on the table casket set up in desktop the right and left side port portion, table Lower fan tool is installed with by lower peace tool in casket, switching top plate the right and left side is equipped with upper slot, is installed with by upper peace tool in upper slot Upper fan tool is equipped with middle fan between upper fan tool and lower fan tool and has, and middle fan tool is installed on by middle peace tool on horizontal hinged shaft, and upper fan tool is hinged Elastical cloth, upper fan tool pendulum are fitted between section and middle fan tool hinge segment and between middle fan tool hinge segment and lower fan tool hinge segment It is fitted with tabs chain, tabs chain between dynamic section and middle fan tool wobble segment and between middle fan tool wobble segment and lower fan tool wobble segment Together with being correspondingly connected with the adjacent side of elastical cloth, the tabs chain includes the connected plastic sheet of several head and the tail doublings；It is described quiet Sound component includes the mute shell being fixedly set on headset line, and the control panel being electrically connected with headset line is equipped in mute shell inner cavity, Mute shell is equipped with the button that triggering cooperation is pressed with control panel, and the mute shell is a closed shell for including cavity, shell Body both ends are respectively equipped with headset line suit cooperation into housing hole and go out housing hole, into housing hole and go out in housing hole there are one clampings respectively Elastic orifice ring, elastic orifice ring are fixedly set on corresponding headset line, and upper part of the housing is equipped with the handle hole with button suit cooperation, The button includes the button with handle hole inserting cooperation, and one end that button extends in shell is equipped with diaphragm seal, diaphragm seal Peripheral portion sealing is pasted onto in the inner walls of handle hole periphery, and the pressure-responsive coordinated with button press is equipped on control panel Device；The front plug pair by being constituted between the upper and lower every two shot wads being correspondingly arranged, front plug pair are installed on the internal chamber wall of shell end of incoming cables It flexibly supports and coordinates with the two sides up and down of control panel inlet wire end respectively, be installed with by upper and lower on the internal chamber wall of shell leading-out terminal It is spaced the rear plug pair that two shot wads being correspondingly arranged are constituted, rear plug is to the both sides surface elastic up and down respectively with control panel outlet end Support cooperation；Lower part of the housing is equipped with the acoustic aperture being correspondingly arranged with the MIC on control panel, and housing exterior walls corresponding with acoustic aperture are equipped with The capillary groove bigger than acoustic aperture is installed with waterproof net in capillary groove；Mute shell outer cover is equipped with gum cover, and gum cover can be mutual including two sets The end cap mechanism locked together, end cap mechanism include the Capsule closed with the assembly of mute shell end sleeve, and Capsule top is equipped with and headset The cap stomidium of line suit cooperation, end cap mechanism further include two and are installed in Capsule oral area and extend respectively to mute shell on both sides of the middle Bullet rope, a bullet rope end are connected with elastic orifice ring, and another bullet rope end is connected with the diameter lock bigger than elastic orifice ring internal diameter Tight ball, two bullet rope of mute shell homonymy is in such a way that lock ball is penetrated from elastic orifice ring side and is clamped on the elastic orifice ring other side It is locked together, the button is between two bullet ropes.

As a kind of realization method, the damping piece include be packed on oscillating deck side wall centered on the wobble wheel center of circle If scattering and spaced dry friction damping iron staff outward, damping iron staff side wall is in close to the wider wedge of the relatively narrow other end in center of circle end Shape；Adjusting set is installed on the wall of table hole hole, is slided in adjusting set and is fitted with an adjusting rod being extended to the wobble wheel center of circle, Adjusting rod includes being adjacent to be slidably matched and circular cone bar magnet that position is correspondingly arranged, circular cone bar magnet butt end are installed with tune with damping iron staff The square bar that is slidably matched of section set, square bar inner end are connected with threaded bar, and adjusting set operating side is coaxially installed with the by snap-gauge One bearing, adjusting set operating side be equipped with rotation chamber corresponding with first bearing, is installed in first bearing and is spirally connected with threaded bar Thread bush, thread bush inner end it is affixed with first bearing in ring inner end clamping matching interior snap ring, be set in thread bush outer segment Hand wheel, hand wheel are fixed together with hand wheel by operating nail, are installed on hand wheel madial wall and first bearing inner ring The outer snap ring of ring outer end clamping matching, threaded bar outer end are bolted with stop nut.

As a kind of realization method, the trigger device includes that the hole being rotatably installed in by hole hinged shaft on the wall of table hole hole turns Tin, it is connected with the hole swing arm extended to above oscillating deck on the rotating cylinder of hole, hole swing arm end is equipped with can be along oscillating deck surface scrolls The hole idler wheel of cooperation is equipped with hole limited block on the hole wall between oscillating deck and hole hinged shaft, is installed on the hinged shaft of hole by hole swing arm Press down on to the torsional spring on the limited block of hole, Dong Bishang is also equipped with the Wiring module close to the setting of hole rotating cylinder, Wiring module and Several electric triggering blocks are installed on the rotating cylinder of hole, electric triggering block include two sets connections be arranged in Wiring module thinner bars slide chamber with Thicker spring cavity, bar slide sliding in chamber and spring cavity and are fitted with metal bar, and metal bar inner end is connected with metal ball, in spring cavity Metal bar on be set with hole spring by metal ball elastic compression on the rotating cylinder of hole, metal bar outer end is equipped with power lug, Electric triggering block further includes the arc groove being arranged in the bending setting of hole rotating cylinder outer wall upper edge barrel, and being equipped in arc groove can be with Hole swing arm swings and is first electrically connected with upper metal ball and constitutes the arc copper sheet being electrically connected with two metal balls again；Switch top plate to fasten When oscillating deck swing to least significant end and below the idler wheel of hole, hole swing arm at this time is pressed on the limited block of hole to lower swing and arc The metal ball composition that copper sheet is swung up only with top is electrically connected；Switching top plate is started upward to oscillating deck when vertical table surface plate Swing simultaneously by hole idler wheel push hole swing arm be swung up, at this time arc copper sheet with the hole rotating cylinder bottom and simultaneously with two metal ball structures At being electrically connected and make display and controller communication；Switching top plate is raised when rear and desktop angle reaches 120 degree on oscillating deck End touches desktop bottom surface and is limited.

As a kind of realization method, the upper peace tool includes being arranged to have the upper of bottom snap fit in upper trench bottom and upper fan Kerve, upper groove top portion are equipped with the upper inverted draw cut upwardly extended along switching top plate, and being equipped with by upper spring in upper inverted draw cut can be along upper top The top shoe that slot slides up and down, top shoe lower face are cancave cambered surface, and top shoe lower end is in far from the downwardly projecting wedge in slot bottom side Shape；The upper fan tool includes the upper bottom bar that lower end can insert cooperation with upper kerve, and upper bottom bar upper end is hinged with benefit bar, upper benefit bar Include the hinge segment hingedly coordinated with upper bottom bar and the clamping section with upper inverted draw cut snap fit, hinge segment is can be corresponding with upper bottom bar Semi-surrounding is set with the U-lag section of cooperation, iron plate is connected on U-lag section inner bottom surface, upper bottom bar lower part is connected with and iron plate adsorbs The upper magnetic sheet of cooperation is installed with the upper knob block far from switching top plate setting, U-lag section on the wobble segment lateral wall of U-lag section Wobble segment lateral wall on be installed with the outer knob block close to switching top plate setting, outer knob block is slightly longer than upper knob block；It is described It is convex globoidal corresponding with top shoe lower face to clamp section upper surface, and it is in protruding upward close to slot bottom side to clamp section epimere Wedge shape.

As a kind of realization method, the lower peace tool includes being arranged in the one end of table casket far from horizontal hinged shaft and having card with lower fan The lower remote slot closed is assembled, table casket is equipped with the lower nearly slot extended along table casket close to horizontal hinged shaft one end, pacifies by lower spring in lower nearly slot Equipped with the sliding block that can be slid back and forth along lower nearly slot, sliding block outer end face is cancave cambered surface, and sliding block outer segment is in far from slot bottom side Axially projecting wedge shape；The lower fan tool, which includes one end, to be hinged with the lower bottom bar of lower remote slot inserting cooperation, the lower bottom bar other end There is lower benefit bar, lower benefit bar includes the hinge segment hingedly coordinated with lower bottom bar and the clamping section with lower nearly slot snap fit, hinge segment For can the suit cooperation of corresponding with lower bottom bar semi-surrounding C-channel section, be connected with iron plate, lower bottom bar lower part on C-channel section inner bottom surface It is connected with the lower magnetic sheet with iron plate absorption cooperation, is installed on the wobble segment lateral wall of C-channel section far from switching top plate setting Lower knob block；The clamping section front end face is convex globoidal corresponding with sliding block outer end face, and it is in close to slot bottom to clamp section leading portion The forwardly convex wedge shape in side.

As a kind of realization method, the middle fan tool includes from the outwardly extending middle supporting plate of horizontal hinged shaft, the swing of middle supporting plate The fan box of tabs chain between middle fan tool and upper fan tool can be contained by being equipped in section；The middle peace tool includes being fixed in middle supporting plate to be hinged End and the C-shaped ring being rotatably assorted with the clamping of horizontal hinged shaft further include setting can be set with branch in table casket oral area with middle supporting plate and fan box Make the step platform of support plate top surface and desktop either flush after support cooperation, middle supporting plate is equipped with to be made with after upper fan tool snap fit Support plate top surface has the middle fan slot of either flush with upper fan；It further include the push-off device that upper fan tool can be released from middle fan tool.

As a kind of realization method, the push-off device includes being arranged to swing port in middle supporting plate and be connected to middle fan slot to set The release slot set releases sliding in slot and is fitted with push-off pin, and the swinging end end face of upper fan tool is round and smooth excessive convex globoidal, and on The wobble segment of fan tool is in the wedge shape that the longer lower wall of upper side wall is shorter after fastening to middle fan slot, and push-off pin inner end is arranged to and upper fan Has the matched wedge shape with cancave cambered surface of swinging end, two avris of push-off pin top surface is installed with pusher plate, is formed between pusher plate Push rod slot is equipped with connection push-off pin inner segment in push rod slot and releases the interior tension spring of notch, desktop be equipped with outside push-off pin Hold corresponding introduction hole.

As an improvement, the button further includes the elastic plate affixed with button inner end, elastic plate latter end the right and left side point It does not set there are one card slot, the card column with card slot snap fit is installed in inner walls.

As an improvement, being fixedly provided with the guided missile ring with MIC suit cooperations in inner walls.

As a further improvement, the elasticity orifice ring includes the ring body affixed with headset line, it is equipped on ring body periphery wall Can with into housing hole or go out the annular groove of housing hole elasticity snap fit.

As an improvement, the shell includes the top shell snapped together up and down and bottom case, top shell and bottom case are close by glue Sealing is connected together or directly heats and is fixed together.

As an improvement, the handle hole is located in top shell, top shell lateral wall is equipped with convenient for the relatively low of button protrusion Operation console, be installed with operation console by platform in the cap of press-fit on the Capsule inner wall.

As a further improvement, the Capsule includes the spherical crown shape cap body with the suit cooperation of mute shell both ends, further include solid It is connected on the cap hoop of cap body oral area.

In conclusion using the Multifunctional desk of this structure, there is traditional desk pattern and miscellaneous function pattern, Under miscellaneous function pattern no matter in which position of classroom not by around classmate's height, shake even distance, light is reflective influences, It can see clearly upper class hour and listen clear, the anti-cheating of energy in examination can repetition learning experimental procedure details in laboratory And viewing experiment effect, and there is auto-switch function, it is easy to operate.

Description of the drawings

In conjunction with attached drawing, invention is further described in detail：

Fig. 1 is the whole structural schematic diagram of the present invention；

Fig. 2 is the fit structure schematic diagram of desk body and damping articulated mounting；

Fig. 3 be damp iron staff, adjusting set Structure Comparison schematic diagram；

Fig. 4 is the fit structure schematic diagram of oscillating deck and trigger device；

Fig. 5 is the fit structure schematic diagram of hand wheel, thread bush, adjusting rod；

Fig. 6 is the fit structure schematic diagram of upper peace tool and upper fan tool；

Fig. 7 is the fit structure schematic diagram of lower peace tool and lower fan tool；

Fig. 8 is that upper fan has, middle fan has and the fit structure schematic diagram of step platform；

Fig. 9 is the process schematic that tool is fanned on push-off device is released；

Figure 10 is the structural schematic diagram of push-off pin and introduction hole；

Figure 11 is the contrast schematic diagram for switching top plate and starting process；

Figure 12 is the contrast schematic diagram that upper fan has clamping process；

Figure 13 is the contrast schematic diagram of the open state and locking states of upper fan tool；

Figure 14 is from left to right followed successively by the comparison diagram of 90 degree, 120 degree and 60 degree of tabs chain-unfolding；

Figure 15 is the assembling structure schematic diagram of mute component；

Figure 16 is the fit structure schematic diagram of handle hole and shot wad in top shell；

Figure 17 is the fit structure schematic diagram of button and diaphragm seal；

Figure 18 be acoustic aperture, capillary groove and waterproof net structural schematic diagram；

Figure 19 is the fit structure schematic diagram of mute shell and headset line；

Figure 20 is the structural schematic diagram of gum cover；

Figure 21 is the fit structure schematic diagram of gum cover, mute shell, headset line；

Figure 22 is the fit structure schematic diagram of lock ball and elastic orifice ring；

Figure 23 is the structural schematic diagram after lock ball and elastic orifice ring clamping.

Specific implementation mode

As shown, the Multifunctional desk is equipped with display and auricular appendage wheat on desktop by hinged fold mechanism Equal multimedia equipments, and realize that the high-resolution audiovisual to teacher and blackboard learns by controller and video camera.In detail and Speech, this patent include mainly a desk body 1, and desk body is to install the agent structure of other component.Desk body includes table leg 2, desktop 3 With table hole 95, occupation mode is similar with common desk, and details are not described herein.In this patent, desktop prelaminar part passes through Damping pivot Connection device is hingedly installed there are one top plate 4 is switched, and switching top plate can be swung around damping articulated mounting, therefore can fasten to desktop On.It is consistent with desktop board size to switch top plate, therefore fastening followed by former desktop are no different, and in appearance, psychologically all compare appearance Easily received by student.Because damping articulated mounting has damping action, therefore switches top plate when starting and can automatically keep and start The state of angle can be arranged, very hommization with personal like and custom.In this patent, switch the buckling surface side of top plate Portion is equipped with pallet 5, and pallet is in square shape corresponding with the edge, and the buckling surface described in this way and pallet just surround a splendid attire The inner cavity of article.Switch and be equipped at intervals with two plate-girders being longitudinally extended 6 in the middle part of the buckling surface of top plate, between pallet and plate-girder mainly rise Every and supporting role, switching top plate fasten after ensure inner cavity in article be not subject to crushing.During pallet inner cavity is divided by plate-girder Between main chamber 7, the left chamber 8 positioned at left side and the right chamber 9 positioned at right side, display 10 is installed in main chamber, starts switching top plate Afterwards, so that it may very convenient to watch image of clearly imparting knowledge to students by display.Pocket 11 is installed in left chamber, is contained in pocket Have and insert the auricular appendage wheat 12 being electrically connected with display, the voice signal of teacher can be received by auricular appendage wheat, it can also be to teacher It puts question to.Stationery bag 13 is installed in right chamber, stationery 14 is loaded in Stationery bag, is equivalent to the effect of writing case, very hommization. This patent further includes a controller 15, and controller output end is electrically connected with several displays, the input terminal electrical connection of controller There is video camera 16.Controller is the critical piece of this patent, main function be the video information of video camera is passed to it is each Display is shown, to realize multimedia teaching function.The video camera is mounted at the top of classroom, and position is higher, automatic video recording, Not only facilitate but also do not influence activity of the student in classroom.This patent further includes that can be communicated with the communicator 17 of controller wireless telecommunications Inserting is electrically connected with main headset 18 on device.Communicator is carried by teacher, and main headset is teacher to students give lessons and listens to The main tool of communications of raw problem, it is very convenient.The damping articulated mounting includes the horizontal hinged shaft being fixedly mounted on desktop 19, horizontal hinged shaft or so is extended.Switching top plate lower end is connected with the sleeve-board 20 being laterally extended, and sleeve-board is rotated with horizontal hinged shaft suit Cooperation, switching top plate in this way can swing up and down around horizontal hinged shaft.Horizontal hinged shaft both ends are coaxial affixed there are one plate gear 21 respectively, Breast wheel 23 and wobble wheel 22 are installed, desktop edge is equipped with the interstitial hole coordinated with breast wheel, and wobble wheel passes through in table hole Breast wheel and plate gear engaged transmission.In this patent, wobble wheel edge is connected with the plate face pendulum concordant with track is swung up and down Movable plate 24 is equipped with damping piece 98 between oscillating deck and table hole hole wall.The main function of damping piece is exactly to increase oscillating deck swing When resistance and position is opposite after oscillating deck can be made to swing is locked on the wall of table hole hole.In this patent, plate gear, breast wheel and It swings wheel diameter to be sequentially increased, one of effect being arranged in this way is to keep plate gear consistent with the rotation direction of wobble wheel, plate gear Rotation larger angle corresponds to wobble wheel and only swings smaller angle, and control is more convenient；Effect second is that, only oscillating deck need to be applied One smaller power（Namely damping force）A larger power can be exported in plate gear, to answering after making switching top plate start Position pressure does not overcome damping force, and hinged effect is damped to realize, namely the effect of lifted angle, control are kept after starting It is more effortless.Trigger device 97 is also equipped on the wall of table hole hole, trigger device can be put when switching top plate and starting by oscillating deck Dynamic triggering, trigger device be triggered after with regard to automatic switching on display and controller circuit, to realize that start switching top plate same When Auto Power On purpose, kill two birds with one stone.Likewise, when needing shutdown, without pressing control button as traditional monitor, Switching top plate need to be only fastened, the triggering to trigger device, the communication electricity of display and controller are automatically terminated after swing sheet reset Road is automatically cut off immediately, and operation is very simple.In this patent, it is equipped between desktop the right and left side and switching top plate Curtain wall is isolated, isolation curtain wall can start with switching top plate and stretch out to come automatically, and be shunk automatically with the fastening of switching top plate Get up.Setting isolation curtain wall, one can not be influenced in study by left and right classmate, improve wholwe-hearted degree；Two come in examination, It avoids interfering with each other between adjacent table classmate, is also possible to prevent adjacent table classmate and peeps and practise fraud, the hair of true horizon when ensure that examination It waves and fairness.In this patent, the isolation curtain wall includes the table casket 55 being mounted on desktop, and the quantity of table casket is two It is a, it is located at desktop the right and left side, and oral area is set up, lower fan tool 57 is installed with by lower peace tool 56 in table casket.Switching Top plate the right and left side is equipped with upper slot 58, and upper slot is correspondingly arranged up and down with table casket, and upper fan is installed with by upper peace tool 59 in upper slot Tool 60.It is equipped with middle fan between upper fan tool and lower fan tool and has 61, middle fan tool is installed on by middle peace tool 62 on horizontal hinged shaft.For ease of chatting It states, one section by upper fan tool, middle fan tool and lower fan tool close to horizontal hinged shaft is known as hinged end, and one section of separate horizontal hinged shaft is known as swinging Section.To be equipped with the elastical cloth that can freely stretch between the hinge segment and the hinge segment of middle fan tool of upper fan tool, middle fan tool is hinged Elastical cloth 63 is also installed between section and the hinge segment of lower fan tool.It is installed between the wobble segment and the wobble segment of middle fan tool of upper fan tool There is a tabs chain 64, tabs chain is also installed between the wobble segment and the wobble segment of lower fan tool of middle fan tool, tabs chain and elastical cloth Adjacent side is correspondingly connected with together.In conclusion when switching top plate is fastened on desktop, elastical cloth is in contraction state, Under the elastic pulling force effect of elastical cloth, the mutual folding shrinking of tabs chain together, for convenience of describing, this state is known as shrinking State or buckling state.When switching top plate is started, switching top plate pulls up tabs chain and elastical cloth, it is made to be pushed up with switching Raising for plate and automatic synchronization are unfolded.In this patent, the plastic sheet 65 that the tabs chain is connected by several head and the tail doublings is constituted, When nature, tabs chain due to plastics natural resiliency and folding shrinking together.Compared to elastical cloth, tabs chain has certain Hardness, therefore after being fully deployed in sector, tabs chain（Especially fan-shaped outer arc edge）In natural vertical state without Because of gravity-bending or sagging, extension effects are ensure that.For convenience of narration, state after above-mentioned expansion is known as extended configuration or is started State.When study, which finishes needs, fastens switching top plate, elastical cloth can make tabs chain shrink folding automatically by natural resiliency pulling force It gathers into folds, fundamentally avoids and be unable to folding shrinking asking together when tabs chain switches from extended configuration to contraction state Topic, ensure that the functional reliability of this patent.

In this patent, damping piece is mainly by damping iron staff 25, adjusting set 26, adjusting rod 27, thread bush 33, hand wheel 35 Five parts are constituted, and damping piece is to realize the damping to oscillating deck using the magnetic absorption principle of damping iron staff and adjusting rod, Realize the damping to switching top plate.Specifically, the quantity of the damping iron staff is several, is fixedly mounted on oscillating deck and leans on On the side wall of nearly table hole hole wall.Damping iron staff is alternatively arranged in the way of being scattered outward centered on the wobble wheel center of circle, is damped Iron staff close to adjusting rod sidewall design at radial corresponding wedge shape, namely it is wider close to the center of circle end relatively narrow other end, In this way design can make full use of damping iron staff and adjusting rod magnetic area, increase damping and to switching top plate it is skewed The holding effect of state（Dynamics）.The adjusting set is fixedly mounted on the wall of table corresponding with oscillating deck hole hole, and the adjusting rod is slided Dynamic to be inserted into adjusting set, adjusting rod is extended to the wobble wheel center of circle.In this patent, adjusting rod includes sequentially connected circle Bore bar magnet 28, square bar 29 and threaded bar 30.Circular cone bar magnet with damping iron staff close to cooperation, taper end and the damping iron of circular cone bar magnet The narrow end of stick corresponds to.Circular cone bar magnet is in coniform, and the effect designed in this way has two, when in order to coordinate the wedge shape of damping iron staff, Enhance magnetic absorption effect；Second is that the damping iron staff and circular cone bar magnet in order to be closely fitted when oscillating deck is swung can slide and match It closes.The square bar is the critical piece being slidably matched with adjusting set, and squared design can ensure that the two can only slide axially not It can be rotatably assorted.Adjusting set operating side namely one end of separate oscillating deck are equipped with rotation chamber 32, and the end is also same by snap-gauge 96 Axis is equipped with first bearing 31, and first bearing inner end is correspondingly arranged with rotation chamber.The thread bush fixing card is mounted in first bearing It is interior, thread bush inner end be connected with positioned at rotation intracavitary and with the interior snap ring 34 of ring inner end clamping matching in first bearing.Screw thread Hand wheel is set in set outer segment, hand wheel is fixed together by operating nail 36 with hand wheel.It is fixed on hand wheel madial wall There are the outer snap ring 37 with ring outer end clamping matching in first bearing, such thread bush just to pass through interior snap ring and outer snap ring fixing card In ring in first bearing, therefore it can be freely rotated around adjusting set axial line in the case where operating wheel drive.In this patent, Thread bush, which is spirally connected, to be sleeved in threaded bar, therefore when rotating hand wheel, thread bush can drive threaded bar to move axially, That is driving circular cone bar magnet axial movement.It can play the role of adjusting circular cone bar magnet in this way and damp iron staff contact area, namely The effect of magnetic attraction size is adjusted, namely adjusts the effect of damping size.In actual use, user can start according to oneself Switch the dynamics of top plate, feel, custom and adjust damping size, very hommization.Threaded bar outer end is bolted with stop nut 38, It is main to play a part of to prevent adjusting rod from slipping from thread bush.

In this patent, the trigger device is mainly by hole rotating cylinder 40, hole swing arm 41, torsional spring 44, hole limited block 43, wiring 45 5 part of module is constituted.Wherein, hole rotating cylinder is cylindrical, and hole rotating cylinder is rotatably installed in swinging track outer arc by hole hinged shaft 39 On the table hole hole wall of side.The hole swing arm is fixedly mounted on the rotating cylinder of hole, and hole swing arm is extended to oscillating deck top.Hole swing arm End is equipped with hole idler wheel 42, and when oscillating deck is swung, hole idler wheel can coordinate with oscillating deck surface scrolls, can not only reduce friction And noise, moreover it is possible to enhance the smoothness of cooperation.Hole limited block is installed, on the hinged shaft of hole on the hole wall between oscillating deck and hole hinged shaft It is installed with and presses down on hole swing arm to the torsional spring on the limited block of hole.In buckling state, hole swing arm is swung on the limited block of hole, Oscillating deck swings to downwards lowest order, and hole idler wheel is located above oscillating deck at this time.The Wiring module is arranged close to hole rotating cylinder Table hole hole wall on, several electric triggering blocks 46 are installed, electric triggering block is to make controller on Wiring module and the hole rotating cylinder closed on The critical piece being electrically connected automatically with display.In this patent, the gold that electric triggering block includes two sets of chambers, is mounted in the chamber The arc copper sheet 54 for belonging to stick 49 and being arranged on the rotating cylinder of hole.Wherein, chamber inner end is arranged towards hole rotating cylinder outer wall, on two sets of chambers Lower interval setting.Often set chamber includes that the bar that links together slides chamber 47 and spring cavity 48, and it is thinner that bar slides chamber, spring cavity it is relatively thick and It is arranged towards hole rotating cylinder.The metal bar sliding is inserted into bar and slides in chamber and spring cavity, metal bar inner end namely close hole rotating cylinder One end be connected with metal ball 50.It is set with hole spring 51 on metal bar in spring cavity, hole spring is by metal ball elastic compression On the rotating cylinder barrel of hole.Metal bar outer end is equipped with power lug 52.Electric triggering block further includes being arranged on the rotating cylinder outer wall of hole Arc groove 53, arc groove are arranged along hole rotating cylinder barrel curvature.The arc copper sheet is fixedly mounted in arc groove, Arc copper sheet is first slidably matched with upper metal ball and is slidably matched again with lower-lying metal ball when hole rotating cylinder is swung.Switching top plate starts When to 90 degree, arc copper sheet is electrically connected with two metal balls composition simultaneously, and electric triggering block is triggered.The aforementioned electric triggering block quilt of several sets When triggering simultaneously, power supply, communication between controller and display are switched on, and display Auto Power On simultaneously shows the real-time of video camera Video, main headset and auricular appendage wheat constitute communication relations.It lifts on switch top plate and continue and when reaching 120 degree with desktop angle, Oscillating deck upper end touches desktop bottom surface and is limited, and display is still in open state at this time, cannot only continue to On lift, have self-protection effect.When study, which finishes, fastens switching top plate, oscillating deck swings to least significant end and is located at hole Below idler wheel, hole swing arm at this time is pressed into lower swing on the limited block of hole and arc copper sheet swings upwards into the only metal with top The position of ball electrical connection.The circuit of electric triggering block recovery off state at this time, controller and display is cut off, and display is automatic Shutdown.

In this patent, upper peace tool is mainly made of upper kerve 66, upper inverted draw cut 67, upper spring 68 and top shoe 69.Wherein, Upper kerve is arranged in the namely upper slot of upper trench bottom close to one end of horizontal hinged shaft, and upper kerve has bottom snap fit with upper fan.Cause For upper slot be from switching top plate swinging end to hinged end be extended, and under normal circumstances swinging end in upper hinged end under, For convenience of narration, upper slot both ends are known as top and bottom or swinging end and hinged end.The upper inverted draw cut is arranged on upper slot End namely the one end of upper slot far from horizontal hinged shaft, upper inverted draw cut have certain depth, and setting is upwardly extended along upper slot.In this patent, institute It states top shoe to be mounted in upper inverted draw cut by upper spring, therefore top shoe can slide up and down or stretch along upper inverted draw cut.In this patent In, upper fan tool is mainly made of upper bottom bar 70, upper benefit bar 71, iron plate, upper magnetic sheet 73 and upper knob block 74.Wherein, under upper bottom bar End can be inserted with upper kerve to be coordinated, and upper bottom bar length is less than slot length, in order to smoothly clamp.The upper benefit bar and upper bottom Bar upper end hingedly coordinates according to T-shaped structure, and upper bar of mending includes the hinge segment being fixed together and clamps section, and clamping section is shorter, hinge It is longer to connect section.The hinge segment is the U-lag section 72 of U-shaped profile, therefore hinge segment can semi-surrounding set corresponding with upper bottom bar It is fitted together.In this patent, iron plate is connected on U-lag section inner bottom surface, upper bottom bar lower part is connected on corresponding with iron plate Magnetic sheet.After semi-surrounding suit, upper benefit bar is coaxial affixed into a single integrated structure with upper bottom bar.When upper fan tool is snapped fitted on upper peace tool, Upper fan tool is first rotated into T-shaped structure（Open state）, then upper bottom bar lower end is inserted into upper kerve, then by the upper card for mending bar The upper inverted draw cut of section alignment is filled, then slowly push away near, the clamping section for above mending bar at this time gradually will by the upper upward bottom bar of hinge segment for mending bar Top shoe heads into inverted draw cut；When upper magnetic sheet and iron plate are attached together, upper benefit bar is set with upper bottom bar semi-surrounding（Locking shape State）, top shoe by upper fan tool elasticity be fitted in upper slot, clamp complete.In this patent, the wobble segment lateral wall of U-lag section On be installed with knob block, when needing to dismantle fan tool, need to only pull out knob block, operation is very simple.At this In patent, upper knob block is located at edge of the U-lag section side wall far from switching top plate, is easier to catch outside upper slot in this way, non- Normal hommization.

In this patent, lower peace tool is mainly made of lower remote slot 75, lower nearly slot 76, lower spring 77 and sliding block 78.Wherein, Remote slot is arranged at table casket rear portion down（For convenience of narration, it is preceding or hinged end to define desktop close to horizontal hinged shaft, is far from horizontal hinged shaft Afterwards）The namely one end of table casket far from horizontal hinged shaft, lower remote slot have bottom snap fit with lower fan.The lower nearly slot is arranged in table casket Close to one end of horizontal hinged shaft, lower nearly slot has certain depth, is extended forward along table casket for front end namely table casket.In this patent, The sliding block is mounted on by lower spring in lower nearly slot, therefore sliding block can slide back and forth or stretch along lower nearly slot.It is special at this In profit, lower fan tool is mainly made of lower bottom bar 79, lower benefit bar 80, iron plate, lower magnetic sheet 82 and lower knob block 83.Wherein, lower bottom bar Lower end can coordinate with lower remote slot inserting, and bottom pole length is less than table casket length, in order to smoothly clamp.The lower benefit bar is under Bottom bar front end hingedly coordinates according to T-shaped structure, and lower bar of mending includes the hinge segment being fixed together and clamps section, and clamping section is shorter, Hinge segment is longer.The hinge segment is the C-shaped C-channel section 81 in cross section, therefore hinge segment can semi-surrounding corresponding with lower bottom bar It is set in together.In this patent, iron plate is connected under C-channel section inner bottom surface, lower bottom bar lower part is connected with corresponding with iron plate Lower magnetic sheet.After semi-surrounding suit, lower benefit bar is coaxial affixed into a single integrated structure with lower bottom bar.Lower fan tool is snapped fitted on lower peace tool When, lower fan tool is first rotated into T-shaped structure（Open state）, then will bottom rod rear end be inserted under in remote slot, then by lower benefit bar The alignment of clamping section under nearly notch, then by the lower downward bottom bar of the hinge segment slowly push away near for mending bar, this mends the clamping of bar at present Sliding block is gradually headed into lower nearly slot by section；Instantly when magnetic sheet is attached together with iron plate, lower benefit bar is set with lower bottom bar semi-surrounding （Locking states）, sliding block by lower fan tool elasticity be fitted in table casket, clamp complete.In this patent, the wobble segment of C-channel section It is installed with lower knob block under lateral wall, when needing to dismantle lower fan tool, need to only pull out lower knob block, operation is very simple It is single.In this patent, lower knob block is located at edge of the C-channel section side wall far from table casket bottom surface, is easier outside table casket in this way It catches, very hommization.

In this patent, middle fan tool is mainly made of middle supporting plate 84, fan box 85, wherein and middle supporting plate is strip tablet, from Horizontal hinged shaft extends outwardly.The fan box is mounted in the wobble segment of middle supporting plate, and fan box mouth portion is set up, and fans the main function of box It is the tabs chain that the contraction between middle fan tool and upper fan tool is contained in buckling state.In this patent, middle peace tool is by C-shaped ring 86, step platform 87 is constituted, wherein C-shaped ring is fixed in the hinged end of middle supporting plate, and the oral area of C-shaped ring can be with horizontal hinged shaft active card Assembly is closed, and can be swung around horizontal hinged shaft after clamping.Step platform setting be one is in step-like boss in table casket oral area.Cause To be equipped with fan box in middle supporting plate wobble segment, therefore its vertical section is in step-like.In this patent, the shape of step platform just with Middle supporting plate and the step-like structure of fan box edge match.When needing to clamp, C-shaped ring need to only be snapped fitted on horizontal hinged shaft, middle fan It is always maintained under the tensile effect of the elastical cloth and tabs chain of tool just after mounting and matches with the clamping with horizontal hinged shaft and rotation Conjunction state.In buckling state, middle fan tool is not only fastened on the step platform of table casket completely, and middle fan tool top surface and desktop Either flush is arranged.In this patent, middle supporting plate is equipped with middle fan slot 88, and middle fan slot is connected to setting with box is fanned, and middle fan slot can be with Upper fan has complete snap fit, and middle fan tool top surface has either flush with upper fan after clamping.In this patent, the pendulum of U-lag section The outer knob block 99 close to switching top plate setting is installed on dynamic section lateral wall, outer knob block is slightly longer than upper knob block, sets in this way The purpose of meter is after so that fan tool is fastened in middle fan slot, and middle fan slot will be filled up completely, and there is no hole or slot, desktop tops Face, middle fan tool top surface and upper fan tool top surface constitute a complete plane.Therefore, when in common study, experiment class, exchange activity Or curtain wall need not be isolated but need any occasion of display, student can do it yourself to remove upper fan tool and be put into middle fan In slot, that is, close isolation curtain wall.Upper fan, which has, at this time, middle fan tool is concordant with desktop is arranged, and entire desktop is exactly one Complete flat plane, convenient for the exchange between teachers and students or classmate.For convenience of narration, it is referred to as " general mode " or " open mould Formula ".When isolation curtain wall is opened, it is suitable for the occasion that is absorbed in studies or takes an examination, for ease of difference, referred to as " concentration patterns " Or " examination pattern ".Certainly, this patent also has the third pattern, be exactly switching top plate fasten, at this time this patent desktop with it is general Logical desk is no different, and is suitble to out class meeting, is held the occasions such as activity, for ease of difference, referred to as " activity pattern " or " class meeting pattern ". In this patent, push-off device is also equipped on desktop, the main function of push-off device is that can have upper fan from middle fan tool It quickly removes, is switched fast use pattern according to actual needs in this way convenient for student.

In this patent, push-off device is mainly made of release slot 89, push-off pin 90, interior tension spring 93 and introduction hole 94.Its In, it releases slot setting and swings port in middle supporting plate, release slot inner end and be connected to setting with middle fan slot.The push-off pin sliding is inserted into It releases in slot, can be slid back and forth along slot is released.In this patent, the swinging end end face of upper fan tool is round and smooth excessive convex globoidal, And the wobble segment of upper fan tool is in fasten to the shorter wedge shape of the longer lower wall of upper side wall after middle fan slot, push-off pin inner end be arranged to Upper fan has the matched wedge shape with cancave cambered surface of swinging end.In this patent, desktop is equipped with corresponding with push-off pin outer end Introduction hole, therefore when need to take out fan tool when, only need to push push-off pin forward, push-off pin its cancave cambered surface while advancing Just upper fan tool swinging end is ejected into middle fan slot along the convex globoidal of upper fan tool, thus can smoothly takes out fan tool, operation is very simple It is single.In this patent, two avris of push-off pin top surface is installed with pusher plate 91, and push rod slot 92 is formed between two pusher plates.In described Tension spring is arranged in push rod slot, and interior tension spring connection push-off pin inner segment and release notch make after capable of thus fanning tool in release Push-off pin automatically resets.

In the present embodiment, the mute component includes the mute shell 102 being fixedly set on headset line 101, mute shell The control panel 103 being electrically connected with headset line is equipped in inner cavity, mute shell is equipped with the button that triggering cooperation is pressed with control panel 104.The mute shell is a closed shell for including cavity, and shell both ends are respectively equipped with headset line suit cooperation into shell Hole 105 and go out housing hole 106, into housing hole and goes out in housing hole to be clamped respectively there are one elastic orifice ring 107, elastic orifice ring is fixedly set in On corresponding headset line.Upper part of the housing is equipped with the handle hole 108 with button suit cooperation.The button includes being inserted with handle hole The button 109 of cooperation, one end that button extends in shell are equipped with diaphragm seal 110, and the sealing of diaphragm seal peripheral portion is pasted onto behaviour In the inner walls for making hole periphery.The voltage sensitive sensor 111 coordinated with button press is installed on control panel.Shell end of incoming cables Be installed with the front plug pair by being constituted between the upper and lower every two shot wads 112 being correspondingly arranged on internal chamber wall, front plug to respectively with control panel The resilient support cooperation of two sides up and down of inlet wire end is installed on the internal chamber wall of shell leading-out terminal by between the upper and lower every being correspondingly arranged Two shot wads constitute rear plug pair, rear plug to respectively with the two sides up and down of control panel outlet end flexibly support coordinate.Shell Body lower part is equipped with the acoustic aperture 116 being correspondingly arranged with the MIC115 on control panel, and housing exterior walls corresponding with acoustic aperture are equipped with than sound The big capillary groove 117 in hole is installed with waterproof net 118 in capillary groove.

In the present patent application, control panel is suspended in mute shell inner cavity, and this structure mainly passes through mute shell, control Making sheet and the shot wad being arranged in mute shell are realized with mute shell rear and front end elasticity by the headset line of press-fit.Specifically For, in this patent, the mute shell is fixedly set in position on the upper side in the middle part of headset line, namely the position of close earphone, this Sample can receive the sound of user's oral area publication and be facilitated in order to this patent carries out switch control and volume control with hand, non- It is often convenient.In this patent, the mute shell is the closed shell that cavity is equipped in one, and for ease of operation, shell is set as Ellipticity.For convenience of narration, shell is kept flat, the both ends of length direction are referred to as front and back, and opposite distinguishes up and down For top, lower section, left and right side.In this patent, shell both ends are respectively equipped with the circular hole of one and headset line suit cooperation, I.e.：Into housing hole and go out housing hole.In this patent, shell both ends are respectively arranged with a headset line, and suit is fixed in the middle part of headset line There are one elastic orifice rings.The elasticity orifice ring into housing hole or goes out housing hole snap fit with corresponding, and thus playing not only makes Headset line is fixed together by elastic orifice ring with shell, and is hermetically connected with the shell by elastic orifice ring, while also being reached Headset line extended into the basic goal being electrically connected with control panel in shell.In this patent, upper part of the housing set there are one behaviour Make hole, button is fitted in handle hole, button can be slided up and down with respect to handle hole.In this patent, the button includes one A button and a diaphragm seal, wherein the inserting of button and handle hole coordinates, diaphragm seal be fixed in button extend in shell one End namely inner end, diaphragm seal circumferential direction button extend around setting.In this patent, the peripheral portion of diaphragm seal corresponds to fixation and is pasted onto In inner walls on the outside of handle hole, it is equivalent to that button has been mounted in handle hole by diaphragm seal in this way.Because whole Diaphragm seal is to block on the mute shell internal chamber wall of handle hole inner end, therefore be equivalent to enclose handle hole, fundamentally The dirts such as moisture, dust are prevented and have entered shell, ensure that the reliability service of this patent and service life are lasting.Because of diaphragm seal itself With elasticity, therefore when pushing button, diaphragm seal can expand so that button enters housing cavity；After loosing one's grip, button can be Automatically reset is bounced under diaphragm seal elastic reaction.In conclusion no matter when pushing button or when button automatically resets, press Gap between key and handle hole is sealed by diaphragm seal always, ensure that the leakproofness of shell, be ensure that the waterproof of this patent, is prevented Damp performance.In this patent, voltage sensitive sensor is installed on control panel, position and the button of voltage sensitive sensor are correspondingly arranged, because This, voltage sensitive sensor will send switching signal or volume by headset line to the electronic equipment being connect with headset line when button is pressed Regulate signal（It is realized by compression number）, very convenient to realize control and the volume control to call.In this patent In, the nuclear structure of the interior suspension structure mainly has the front plug pair being installed in inner walls and rear plug to realizing, wherein preceding Plug is to being included in shell end of incoming cables（Front end）Two fixed shot wads of internal chamber wall, two shot wads are between the upper and lower every being correspondingly arranged.Class As, rear plug is to being included in shell leading-out terminal（Rear end）Two fixed shot wads of internal chamber wall, two shot wads be also between the upper and lower every It is correspondingly arranged.In this patent, front plug coordinates being flexibly supported respectively with the two sides up and down of control prelaminar part, and rear plug is to respectively It flexibly supports and coordinates with the two sides up and down of control postlaminar part, in this way, entire control panel just props up elasticity by front plug pair and rear plug Support is in housing cavity, in the similar state to suspend.In this patent, the rear and front end of control panel is all connected with corresponding ear Wheat line, because headset line is relatively soft and headset line is fixedly connected with the casing by elastic orifice ring, therefore, the suspension of control panel State is really by soft front plug to, rear plug pair and headset line pair（Two headset lines）It realizes jointly.Control panel is set to be in outstanding The main purpose of floating state, exactly makes the MIC on control panel be in suspended state, is rubbed in this patent, is even hit in this way Sound transmission not will receive influence when hitting because front plug to, rear plug pair and headset line to this impact can be buffered, avoid biography The audible noise that system line control earphone occurs at this time fundamentally ensure that the function of the function and call smoothness of this patent antidetonation. In this patent, lower part of the housing is set there are one acoustic aperture, and acoustic aperture is correspondingly arranged with the positions MIC on control panel, can thus facilitate, Quickly acquire voice signal.In this patent, it is set on housing exterior walls corresponding with acoustic aperture there are one capillary groove, capillary groove is located at Acoustic aperture outer end and bigger than the aperture of acoustic aperture.Waterproof net is installed in capillary groove, waterproof net covers entire acoustic aperture and has waterproof Performance, therefore moisture and water droplet can be prevented into tone-entering hole and then influence the work of the transaudient component of headset line traffic control, it ensure that this specially The reliability of profit.

In this patent, mute shell outer cover is equipped with gum cover 131, and gum cover has preferable elasticity, therefore when mute shell touches Touch even when colliding external object, gum cover can preferably vibrations caused by buffering collision of closed, to be effectively relieved in mute shell The influence of portion's control panel and MIC ensure that pickup quality.In this patent, the structure of gum cover mainly include two parts, i.e., two sets Identical end cap mechanism.End cap mechanism is made of four parts, i.e.,：Capsule 132, bullet rope 134, elastic orifice ring 135 and locking Ball 136.Wherein, Capsule is in hat-shaped or bowl-shape, and cooperation is just set with mute shell end.In this patent, two sets of glue Cap is set with mute shell both ends respectively to be coordinated, therefore two Capsules are that oral area is oppositely arranged.In this patent, it is set at the top of Capsule Have and coordinates with headset line suit with cap stomidium 133, cap stomidium.The bullet rope is fixed in Capsule oral area, and quantity is two, left and right pair Claim setting.Bullet rope is extended from Capsule oral area to mute shell middle part, but its curtailment is to reach in the middle part of mute shell.It is described Elastic orifice ring is fixed in a bullet rope end of Capsule, and the lock ball is fixed in another bullet rope end of Capsule.When installation, Liang Ge end caps mechanism is sleeved on mute shell both ends namely two Capsule oral areas are oppositely arranged.For convenience of narration, this state is known as Suit state.Since Liang Tao end caps mechanism is identical, in the state of suit, two bullet rope ends of mute shell homonymy Portion is connected to elastic orifice ring and lock ball respectively.When needing locking, the two need to only be furthered, and lock ball is leaned on from elastic orifice ring The other side namely outside are penetrated on the inside of nearly mute shell.Since elastic orifice ring has elasticity, and lock ball size is more than lock Tight ring inner ring size, thus when lock ball is through on the outside of elastic orifice ring automatic clamping on the outside of elastic orifice ring.It, will for convenience of narration This state is known as locking state.In this patent, the elastic orifice ring and lock ball of bullet rope end be reach it is mutual, therefore It needs to further each other when locking, in this way in locking state, elastic orifice ring tension power can become ovalisation, and lock ball is made to be less susceptible to Inside is worn go back to, ensure that reliable lock.Therefore, installation is firm after gum cover set is attached on mute shell, not easily to fall off.After installation, The button is between two bullet ropes, in this way in control button with regard to very convenient.Meanwhile it being protected in the resilient support of gum cover Under, aforementioned acoustic aperture can also expose between two Capsules, avoid and be in direct contact with external items, effectively prevent friction dry It disturbs.When needing unlock, lock ball need to only be pushed hard on the inside of resilience orifice ring, very simply.In this patent, gum cover is adopted With separate structure, still unlock is either locked all very simply, therefore either need to go back when cleaning dirt after being used for a long time It is when needing replacing, user can voluntarily unlock, very convenient.

In conclusion in this patent, there are one handle hole, one to go out housing hole and one into housing hole, one altogether for mute shell A acoustic aperture is in communication with the outside, wherein handle hole is by diaphragm seal elastic packing, and into housing hole and to go out housing hole close by springhole ring resilience Envelope, only acoustic aperture are blocked by waterproof net permeable watertight formula, therefore entirely mute shell entrant sound of breathing freely is waterproof for this patent, from basic On ensure that steam, water droplet, impurity cannot enter mute shell, ensure that this patent functional reliability.In addition, control panel is in front plug To being in quasi- suspended state under the resilient support of, rear plug pair and front and back two headset lines, it is quiet outer bound pair this patent has effectively been buffered Ontology caused by the collision of sound shell, friction transmits noise, substantially increases acoustic quality.Therefore, this patent have anti-moisture, Waterproof, dust reduction capability also have shatter-resistant, function of seismic resistance, are particularly suitable for classroom teaching and use.

In the present embodiment, the button further includes the elastic plate 119 affixed with button inner end, elastic plate latter end or so two Avris is respectively equipped with a card slot 120, is installed in inner walls and the card column of card slot snap fit 121.Button inner end is affixed There are one elastic plate, elastic plate is in strip, and elastic plate extends back setting along mute shell cavity length direction.Elastic plate latter end The right and left side is respectively equipped with a card slot, and card slot is extended up and down.About two are installed in inner walls to be extended Card column, card column snap fit corresponding with card slot, thus play the role of be fixedly mounted elastic plate.In this patent, bullet Property plate there is elasticity, therefore elastic plate can provide resilient support for the button of front end.In this way, button can be by diaphragm seal and bullet Property plate double elastic support, not only reset property is more preferable, and the feels of pressing keys is also more comfortable.

In this patent, the guided missile ring 122 with MIC suit cooperations is fixedly provided in inner walls.It is set in inner walls After setting guided missile ring, can not only resilient support limit be carried out to MIC, buffering percussive force when by vibrations are hit, moreover, because Guided missile ring position and acoustic aperture are suit cooperations, thus when mounted can also the placement of plate in order to control guiding is provided, ensure that peace The accuracy and installation effectiveness of dress.

In the present embodiment, the elastic orifice ring includes the ring body 123 affixed with headset line, is equipped on ring body periphery wall Can with into housing hole or go out the annular groove 124 of housing hole elasticity snap fit.Ring body is in disk-shaped, has certain thickness.Ring body periphery wall On be provided with annular groove, annular groove cross section is C-shaped and just with into housing hole and to go out the inner arc surface of housing hole corresponding, therefore works as annular groove When snapping fitted into housing hole or going out in housing hole, ring body will with into housing hole or go out housing hole elastic packing snap fit, ensure that seal And water proofing property.

In this patent, the shell includes the top shell 125 snapped together up and down and bottom case 126, and top shell and bottom case are logical It crosses glue sealing and is fixed together or directly heats and be fixed together.In specific manufacture, shell be divided into it is two-part up and down, That is top shell and bottom case, correspondence snaps together the two up and down.In order to ensure that its overall tightness, top shell and bottom case are close by glue Sealing is connected together, and either directly hot melt is fixed together again or is welded together by ultrasonic welding machine.

In the present embodiment, the handle hole is located in top shell, and top shell lateral wall is equipped with convenient for the opposite of button protrusion Lower operation console 137 is installed with operation console by platform 138 in the cap of press-fit on the Capsule inner wall.In this patent, institute It states handle hole to be arranged in top shell, button is also located in top shell, and being in this way moved in top shell finger can be right by button This patent is controlled, very convenient.In this patent, top shell lateral wall wants low operation console equipped with opposing keys, in this way There are two benefits for design, first, user can be quickly found out the position of workbench by the sense of touch of hand on entire mute shell It sets, then can further be quickly found out the position of button in the sliding of operation console by finger, being particularly suitable for the blind operation of teacher makes With effectively preventing teacher and bow to change pass, the drawbacks of taking sb's mind off sth；Second is that the height of button can more be protruded, help In the position for being quickly found out button.In this patent, it is installed on the Capsule inner wall with operation console by platform in the cap of press-fit, Platform can fill because operation console leads to the gap between operation console and Capsule inner wall compared with low setting in cap, can make in this way Sense of touch is truer in operation by user, and the senses of discomfort such as effectively avoid occurring being recessed when touching, and improves the holding of this patent And operability.

In the present embodiment, the Capsule includes the spherical crown shape cap body 139 with the suit cooperation of mute shell both ends, further includes solid It is connected on the cap hoop 140 of cap body oral area.In this patent, Capsule includes mainly two-part structure, i.e. cap body and cap hoop.Cap body is set The agent structure at mute shell both ends is filled, spherical crown shape structure design reduces noise primarily to frictional resistance when reducing mobile Interference.Cap hoop is located at cap body oral area, and cap hoop coordinates with mute shell body fits, and the bullet rope is to link together with cap hoop.

In practical applications, video instrument and video switcher may be used to realize in controller, structure and operation principle Belong to known technology, is not described further in detail again.

Claims (7)

1. a kind of Multifunctional desk, including desk body（1）, desk body（1）Including table leg（2）, desktop（3）With table hole（95）, It is characterized in：Desktop（3）Front is hingedly equipped with by damping articulated mounting can fasten to desktop（3）It above and can be when starting The switching top plate for the state of starting can be automatically kept（4）；Switch top plate（4）Buckling surface edge fixed ring be equipped with square shape pallet （5）, switch top plate（4）Buckling surface in the middle part of be equipped at intervals with two plate-girders being longitudinally extended（6）, plate-girder（6）By pallet（5）Inner cavity It is divided into intermediate main chamber（7）, left chamber positioned at left side（8）With the right chamber positioned at right side（9）；Display is installed in main chamber （10）, pocket is installed in left chamber（11）, it is loaded in pocket and inserts the auricular appendage wheat being electrically connected with display（12）, the interior peace of right chamber Equipped with Stationery bag（13）, stationery is loaded in Stationery bag（14）；It further include the controller being electrically connected with several displays（15）, control The input terminal of device processed is electrically connected with the video camera that can be mounted on shooting blackboard at the top of classroom（16）, further including can be wireless with controller The communicator of communication（17）, on communicator inserting be electrically connected with main headset（18）, control is electrically connected on the headset line of main headset The mute component of main headset；The damping articulated mounting includes being fixedly mounted on the horizontal hinged shaft being laterally extended on desktop（19）, Switch top plate（4）On be connected with and be set with the sleeve-board that is rotatably assorted with horizontal hinged shaft（20）, horizontal hinged shaft both ends are coaxially connected with plate tooth Wheel（21）, table hole（4）The wobble wheel that diameter is much larger than plate gear is inside installed（22）, transmission engagement respectively is also equipped in table hole The breast wheel of wobble wheel and plate gear（23）, desktop（3）Edge is equipped with the interstitial hole coordinated with breast wheel；Wobble wheel edge is solid It is connected to the plate face oscillating deck concordant with track is swung up and down（24）, damping piece is installed on oscillating deck and table hole hole wall（98）；Institute It states to be also equipped with to be swung by oscillating deck when switching top plate and starting on the wall of table hole hole and trigger and automatic switching on display and control The trigger device of device（97）, being equipped between two avris of desktop and switching top plate can start with switching top plate and stretch out automatically The isolation curtain wall come, the isolation curtain wall includes being mounted on the table casket set up in desktop the right and left side port portion（55）, Have by lower peace in table casket（56）It is installed with lower fan tool（57）, switching top plate the right and left side is equipped with upper slot（58）, lead in upper slot Cross peace tool（59）It is installed with fan tool（60）, it is equipped with middle fan between upper fan tool and lower fan tool and has（61）, middle fan, which has, passes through middle peace Tool（62）It is installed on horizontal hinged shaft, between upper fan tool hinge segment and middle fan tool hinge segment and middle fan has hinge segment and lower fan tool hinge It connects and is fitted with elastical cloth between section（63）, between upper fan tool wobble segment and middle fan tool wobble segment and middle fan tool wobble segment is under It is fitted with tabs chain between fan tool wobble segment（64）, together with tabs chain is correspondingly connected with the adjacent side of elastical cloth, the folding Piece chain includes the connected plastic sheet of several head and the tail doublings（65）；The mute component includes being fixedly set in headset line（101）On Mute shell（102）, mute shell（102）The control panel being electrically connected with headset line is equipped in inner cavity（103）, mute shell be equipped with The button of control panel pressing triggering cooperation（104）, the mute shell is a closed shell for including cavity, shell both ends difference Equipped with headset line suit cooperation into housing hole（105）With go out housing hole（106）, into housing hole（105）With go out housing hole（106）Interior difference Elastic orifice ring there are one clamping（107）, elastic orifice ring is fixedly set on corresponding headset line, and upper part of the housing is equipped with and button set Assemble the handle hole closed（108）, the button includes the button with handle hole inserting cooperation（109）, button extends in shell One end be equipped with diaphragm seal（110）, the sealing of diaphragm seal peripheral portion is pasted onto in the inner walls of handle hole periphery, on control panel The voltage sensitive sensor coordinated with button press is installed（111）；It is installed on the internal chamber wall of shell end of incoming cables by between the upper and lower every right Two shot wads that should be arranged（112）The front plug pair of composition, front plug is to the both sides surface elastic up and down respectively with control panel inlet wire end Support coordinates, and the rear plug pair by being constituted between the upper and lower every two shot wads being correspondingly arranged is installed on the internal chamber wall of shell leading-out terminal, Rear plug coordinates being flexibly supported respectively with the two sides up and down of control panel outlet end；Lower part of the housing be equipped with on control panel MIC（115）The acoustic aperture being correspondingly arranged（116）, housing exterior walls corresponding with acoustic aperture are equipped with the capillary groove bigger than acoustic aperture（117）, Waterproof net is installed in capillary groove（118）；Mute shell（102）Outer cover is equipped with gum cover（131）, gum cover（131）Including two sets of energy The end cap mechanism being enough interlocked, end cap mechanism include and mute shell（102）The Capsule that end sleeve assembly is closed（132）, Capsule （132）Top is equipped with and headset line（101）It is set with the cap stomidium of cooperation（133）, end cap mechanism further includes two and is installed in Capsule （132）The bullet rope that oral area extends to mute shell on both sides of the middle respectively（134）, a bullet rope end is connected with elastic orifice ring（135）, Another bullet rope end is connected with diameter than elastic orifice ring（135）The big lock ball of internal diameter（136）, two bullet rope of mute shell homonymy is logical It crosses lock ball and is penetrated from elastic orifice ring side and be clamped on the mode of the elastic orifice ring other side and be locked together, the button （109）Between two bullet ropes；The middle fan tool includes from the outwardly extending middle supporting plate of horizontal hinged shaft（84）, the wobble segment of middle supporting plate On be equipped with can contain middle fan tool it is upper fan tool between tabs chain fan box（85）；The middle peace tool includes being fixed in middle supporting plate hinge It connects end and clamps the C-shaped ring being rotatably assorted with horizontal hinged shaft（86）, further include setting table casket oral area can with middle supporting plate and fan box Make the step platform of support plate top surface and desktop either flush after suit support cooperation（87）, middle supporting plate, which is equipped with to have with upper fan, to be blocked Assembly makes the middle fan slot of support plate top surface and upper fan tool either flush after closing（88）；Further include upper fan can be had to push away from middle fan tool The push-off device gone out.

2. Multifunctional desk as described in claim 1, it is characterized in that：The push-off device includes that setting is swung in middle supporting plate Port and the release slot that setting is connected to middle fan slot（89）, release sliding in slot and be fitted with push-off pin（90）, the swing of upper fan tool End end face is round and smooth excessive convex globoidal, and the wobble segment of upper fan tool is shorter in the longer lower wall of upper side wall after fastening to middle fan slot Wedge shape, push-off pin inner end be arranged to and upper fan tool the matched wedge shape with cancave cambered surface of swinging end, push-off pin top surface both sides Side is installed with pusher plate（91）, push rod slot is formed between pusher plate（92）, push rod slot is interior to be equipped with connection push-off pin inner segment and release The interior tension spring of notch（93）, desktop is equipped with introduction hole corresponding with push-off pin outer end（94）.

3. a kind of Multifunctional desk as claimed in claim 2, it is characterized in that：The button further includes affixed with button inner end Elastic plate（119）, elastic plate latter end the right and left side is respectively equipped with a card slot（120）, it is installed with and blocks in inner walls The card column of slot snap fit（121）.

4. a kind of Multifunctional desk as claimed in claim 3, it is characterized in that：It is fixedly provided in inner walls and is set with MIC The guided missile ring of cooperation（122）.

5. a kind of Multifunctional desk as claimed in claim 4, it is characterized in that：The elasticity orifice ring includes affixed with headset line Ring body（123）, be equipped on ring body periphery wall can with into housing hole or go out the annular groove of housing hole elasticity snap fit（124）.

6. a kind of Multifunctional desk as described in claim 1-5 any claims, it is characterized in that：The shell includes upper Under the top shell that snaps together（125）And bottom case（126）, top shell（125）And bottom case（126）It is fixed together by glue sealing Or directly hot melt is fixed together.

7. a kind of Multifunctional desk as claimed in claim 6, it is characterized in that：The Capsule（132）Including with mute shell （102）The spherical crown shape cap body of both ends suit cooperation（139）, further include being fixed in cap body（139）The cap hoop of oral area（140）.