CN112586948B - Safety protection device for painting exhibition - Google Patents
Safety protection device for painting exhibition Download PDFInfo
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- CN112586948B CN112586948B CN202110035533.3A CN202110035533A CN112586948B CN 112586948 B CN112586948 B CN 112586948B CN 202110035533 A CN202110035533 A CN 202110035533A CN 112586948 B CN112586948 B CN 112586948B
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- cavity
- fixedly connected
- wall
- air
- sliding
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F5/00—Show stands, hangers, or shelves characterised by their constructional features
- A47F5/08—Show stands, hangers, or shelves characterised by their constructional features secured to the wall, ceiling, or the like; Wall-bracket display devices
- A47F5/0807—Display panels, grids or rods used for suspending merchandise or cards supporting articles; Movable brackets therefor
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F5/00—Show stands, hangers, or shelves characterised by their constructional features
- A47F5/08—Show stands, hangers, or shelves characterised by their constructional features secured to the wall, ceiling, or the like; Wall-bracket display devices
- A47F5/0807—Display panels, grids or rods used for suspending merchandise or cards supporting articles; Movable brackets therefor
- A47F5/0861—Anti-theft means therefor
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F7/00—Show stands, hangers, or shelves, adapted for particular articles or materials
- A47F7/14—Show stands, hangers, or shelves, adapted for particular articles or materials for pictures, e.g. in combination with books or seed-bags ; for cards, magazines, newspapers, books or booklike articles, e.g. audio/video cassettes
- A47F7/142—Show stands, hangers, or shelves, adapted for particular articles or materials for pictures, e.g. in combination with books or seed-bags ; for cards, magazines, newspapers, books or booklike articles, e.g. audio/video cassettes for only one article
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Abstract
The invention discloses a painting exhibition safety protection device, which comprises a wall body, wherein a moving cavity is arranged in the wall body, a moving mechanism capable of driving a picture frame to move is arranged in the moving cavity, a transmission mechanism for providing power for the movement of the picture frame is arranged below the moving mechanism, the moving mechanism comprises a moving block which is connected to the left inner wall of the moving cavity in a sliding manner, a sliding cavity is arranged in the moving block, the sliding cavity is connected with an overflow valve with the outside, and a sliding piston is connected in the sliding cavity in a sliding manner. The method is very convenient, and not only can protect the picture, but also reduces the arrangement of security personnel.
Description
Technical Field
The invention relates to the technical field of intelligent security, in particular to a safety protection device for a painting show.
Background
The artwork can be stolen or damaged in the exhibition process, the cost can be increased if a large number of security personnel are arranged in the exhibition process, the pedestrian volume is large in the exhibition process, the pedestrian volume burden is increased by a large number of security personnel, and the display can not be subjected to natural emergencies, such as an earthquake, the external physical factors can damage the artwork, and the artwork is damaged irreversibly.
Disclosure of Invention
The invention aims to provide a painting exhibition safety protection device, which solves the problem that paintings can be automatically protected in the exhibition process.
The invention is realized by the following technical scheme.
The invention relates to a painting exhibition safety protection device, which comprises a wall body, wherein a moving cavity is arranged in the wall body, a moving mechanism capable of driving a picture frame to move is arranged in the moving cavity, a transmission mechanism for providing power for the movement of the picture frame is arranged below the moving mechanism, the moving mechanism comprises a moving block which is connected to the left inner wall of the moving cavity in a sliding manner, a sliding cavity is arranged in the moving block, an overflow valve is connected with the outside, a sliding piston is connected in the sliding cavity in a sliding manner, the right end of the sliding piston is hinged with a connecting rod, a torsional spring is arranged at the hinged joint of the connecting rod, a fixed plate is fixedly connected at the right end of the connecting rod, a picture frame is fixedly connected in the fixed plate, a display port communicated with the outside is arranged at the right side of the lower end of the moving cavity, a glass shield is arranged at the right end of the display port, and limiting grooves with openings facing the display port are arranged on the upper side and the lower side of the display port, the two limiting grooves are internally provided with sliding blocks, the sliding blocks are hinged with rotating pins, one sides of the rotating pins, which are close to the display opening, extend into the display opening, the right ends of the sliding blocks are fixedly connected with first electromagnets, the right inner walls of the limiting grooves are fixedly connected with second electromagnets, the left ends of the sliding blocks are fixedly connected with sliding springs, the left ends of the sliding springs are fixedly connected with the left inner walls of the limiting grooves, the left ends of the sliding blocks are fixedly connected with limiting pull ropes, the limiting pull ropes penetrate into the left inner walls of the limiting grooves, the upper and lower ends of the fixing plate are both provided with a bulge, the bulge can be contacted with one end of the rotating pins, which is close to the display opening, the left end of the fixing plate is fixedly connected with a reset spring, the left end of the reset spring is fixedly connected with the right end face of the moving block, a switching cavity with a downward opening is arranged above the moving cavity, the switching cavity is internally and slidably connected with a switching pin, the switching pin is fixedly connected with a switching spring, the upper end of the switching spring is fixedly connected to the upper inner wall of the switching cavity, the right end of the switching pin is fixedly connected with a switching stay cord, the switching stay cord penetrates into the wall of the switching cavity, the switching stay cord penetrates into the right inner wall of the switching cavity, the left inner wall of the switching cavity is provided with a fixing groove with a right opening, the fixing groove is internally and slidably connected with a fixing pin, the left end of the fixing spring is fixedly connected to the left inner wall of the fixing groove, the left end of the fixing pin is fixedly connected with the fixing stay cord, the fixing stay cord penetrates into the left inner wall of the fixing groove, the switching pin is provided with a notch groove with a left opening, the lower inner wall of the moving cavity is provided with a reset groove with an upward opening, the inner wall of the reset groove is provided with a left inner wall, the left inner wall of the reset groove is provided with a left end and a right end, the left end of the reset pin is fixedly connected with a compression spring, the lower end of the compression spring is fixedly connected to the lower inner wall of the reset groove, and the fixed stay cord extends out of the left inner wall of the reset groove and is fixedly connected to the left end of the reset pin.
Preferably, drive mechanism is including establishing the motor in the wall body, the motor left side is equipped with the transmission chamber, power connection has the transmission shaft on the motor, the transmission shaft extends into in the transmission chamber and swivelling joint is in on the inner wall of transmission chamber left side, fixedly connected with cam on the transmission shaft, transmission intracavity sliding connection has the push pedal, the push pedal lower extreme with the cam contact, push pedal upper end fixedly connected with removes the spring, it is in to remove spring upper end fixed connection on the inner wall of transmission chamber, transmission chamber top is equipped with aerifys the chamber, push pedal upper end fixedly connected with push rod, the push rod passes transmission chamber upper chamber wall and extension enter aerify in the chamber, aerify intracavity sliding connection and aerify the piston, aerify the piston lower extreme with push rod upper end fixed connection.
Preferably, a first air cavity is arranged above the inflation cavity, the inflation cavity is connected with the first air cavity through a first one-way valve and a second one-way valve, the first one-way valve enables the air in the inflation cavity to only go out but not go in, the second one-way valve enables the air in the inflation cavity to only go in but not go out, a steering shaft is rotatably connected to the front inner wall of the first air cavity, a lower baffle and an upper baffle are fixedly connected to the steering shaft, an included angle formed between the lower baffle and the upper baffle is one hundred twenty degrees, the left end of the first air cavity is connected with an air outlet cavity, an air outlet piston is slidably connected in the air outlet cavity, an air outlet spring is fixedly connected to the left inner wall of the air outlet cavity, an air outlet is arranged above the left side of the air outlet piston, the air outlet is communicated with the outside, an air suction cavity is arranged on the right side of the first air cavity, the suction cavity left end with first air cavity intercommunication, the suction cavity right-hand member communicates with the external world, be equipped with the valve body in the suction cavity, the valve body right-hand member is plugged up suction cavity right-hand member and external world intercommunication, valve body left end fixedly connected with suction spring, suction spring left end fixed connection be in on the suction cavity left side inner wall, first air cavity rear side is equipped with the control chamber, the steering spindle rear end extends into in the control chamber and swivelling joint is in on the control chamber rear chamber wall, the steering spindle is in fixedly connected with control band pulley on control chamber one side, the conversion stay cord is followed stretch out and wind on the control chamber right side inner wall on the control band pulley, the steering spindle with the control chamber rotates the junction and is equipped with the torsional spring.
Preferably, a second air cavity is arranged above the first air cavity, the first air cavity is communicated with the second air cavity, a driven cavity is arranged on the rear side of the second air cavity, a driven shaft is connected to the front inner wall of the second air cavity in a rotating mode, a blocking block is fixedly connected to the driven shaft, the rear end of the driven shaft is connected into the driven cavity and is connected to the rear inner wall of the transmission cavity in a rotating mode, a torsional spring is arranged at the rotating connection position of the driven shaft and the transmission cavity, and a steering belt wheel is fixedly connected to one side of the driven cavity of the driven shaft.
Preferably, the upper end of the second air cavity is connected with a left air cavity and a right air cavity, the left air cavity is connected into the lower end of the left side of the sliding cavity, the right air cavity is connected with a hollow telescopic rod, the lower end of the hollow telescopic rod is fixedly connected to the inner wall of the lower portion of the moving cavity, and the upper end of the hollow telescopic rod is fixedly connected to the lower end of the moving block.
Preferably, the right side of the second air cavity is provided with an induction cavity, an induction plate is connected in the induction cavity in a sliding manner, the upper end of the induction plate is connected with a connecting pin in a sliding manner, the connecting pin can move left and right on the induction plate, a return block is arranged above the induction plate and is connected with the inner wall of the return block in a sliding manner, the left end and the right end of the return block are respectively fixedly connected with a limiting pull rope, the lower end of the induction plate is fixedly connected with a steering pull rope, the steering pull rope penetrates through the lower inner wall of the induction cavity and extends out of the right inner wall of the driven cavity, and the steering pull rope is wound on the steering belt wheel.
The invention has the beneficial effects that: the device simple structure, and is easy and simple to handle, the device is when using, thereby experience exerting of external force through the fixed plate and will draw through the fixed plate and accomodate into the wall body, and make lawless persons unable acquisition or destroy through shifting up, make the destruction degree of drawing reach the minimum under the disaster environment simultaneously, and the device can automatic re-setting, starting motor alright reset and used repeatedly in oneself after the contact threat, it is very convenient, both can protect drawing and reduced security personnel's arrangement again.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is an internal structure of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of A in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of B in FIG. 1 according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of C in FIG. 1 according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of D in FIG. 1 according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of structures E-E in FIG. 2 according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of the structure F-F in FIG. 2 according to an embodiment of the present invention.
Detailed Description
The invention will now be described in detail with reference to fig. 1-7, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The safety protection device for painting exhibition described in conjunction with fig. 1-7 comprises a wall 10, a moving cavity 44 is arranged in the wall 10, a moving mechanism 45 capable of driving a picture frame to move is arranged in the moving cavity 44, a transmission mechanism 46 for providing power for the picture frame to move is arranged below the moving mechanism 45, the moving mechanism 45 comprises a moving block 11 slidably connected to the left inner wall of the moving cavity 44, a sliding cavity 47 is arranged in the moving block 11, the sliding cavity 47 is connected with an overflow valve with the outside, a sliding piston 12 is slidably connected in the sliding cavity 47, the right end of the sliding piston 12 is hingedly connected with a connecting rod 13, a torsional spring is arranged at the hinged connection of the connecting rod 13, a fixed plate 14 is fixedly connected to the right end of the connecting rod 13, a picture frame 16 is fixedly connected in the fixed plate 14, a display port 48 communicated with the outside is arranged on the right side of the lower end of the moving cavity 45, the right end of the display opening 48 is provided with a glass shield 17, the upper side and the lower side of the display opening 48 are respectively provided with a limiting groove 49 with an opening facing the display opening 48, a sliding block 40 is arranged in each limiting groove 49, the sliding block 40 is hinged with a rotating pin 41, one side of the rotating pin 41 close to the display opening 48 extends into the display opening 41, the right end of the sliding block 40 is fixedly connected with a first electromagnet 42, the right inner wall of the limiting groove 49 is fixedly connected with a second electromagnet 43, the left end of the sliding block 40 is fixedly connected with a sliding spring 39, the left end of the sliding spring 39 is fixedly connected with the left inner wall of the limiting groove 49, the left end of the sliding block 40 is fixedly connected with a limiting pull rope 38, the limiting pull rope 38 penetrates into the left inner wall of the limiting groove 49, the upper end and the lower end of the fixing plate 14 are respectively provided with a bulge 50, and the bulges 50 can be contacted with one end of the rotating pin 41 close to the display opening 48, a return spring 15 is fixedly connected to the left end of the fixed plate 14, the left end of the return spring 15 is fixedly connected to the right end face of the moving block 11, a switching chamber 61 with a downward opening is arranged above the moving chamber 44, a switching pin 58 is slidably connected to the switching chamber 61, a switching spring 59 is fixedly connected to the upper end of the switching pin 58, the upper end of the switching spring 59 is fixedly connected to the upper inner wall of the switching chamber 61, a switching pull rope 60 is fixedly connected to the right end of the switching pin 58, the switching pull rope 60 penetrates into the chamber wall of the switching chamber 61, the switching pull rope 60 penetrates into the right inner wall of the switching chamber 61, a fixing groove 62 with a rightward opening is arranged on the left inner wall of the switching chamber 61, a fixing pin 57 is slidably connected to the fixing groove 62, a fixing spring 56 is fixedly connected to the left end of the fixing pin 57, and the left end of the fixing spring 56 is fixedly connected to the left inner wall of the fixing groove 62, fixed pin 57 left end fixed connection fixes stay cord 55, fixed stay cord 55 runs through into in the 62 left inner walls of fixed slot, be equipped with an opening breach groove to the left on the conversion round pin 58, be equipped with the ascending reset groove 51 of opening on the inner wall under the removal chamber 47, sliding connection has reset pin 54 in the reset groove 51, reset pin 54 lower extreme fixedly connected with compression spring 52, compression spring 52 lower extreme fixed connection is in on the inner wall under the reset groove 51, fixed stay cord 55 is followed stretch out and fixed connection is in reset groove 51 left inner wall reset pin 54 left end.
Advantageously, the transmission mechanism 46 comprises a motor 34 arranged in the wall 10, a transmission cavity 63 is arranged at the left side of the motor 34, a transmission shaft 33 is connected to the motor 34 in a power mode, the transmission shaft 33 extends into the transmission cavity 63 and is connected to the left inner wall of the transmission cavity 63 in a rotating mode, the transmission shaft 33 is fixedly connected with a cam 32, the transmission cavity 63 is internally and slidably connected with a push plate 30, the lower end of the push plate 30 is contacted with the cam 32, the upper end of the push plate 30 is fixedly connected with a movable spring 31, the upper end of the movable spring 31 is fixedly connected to the upper inner wall of the transmission cavity 63, an inflation cavity 64 is arranged above the transmission cavity 63, the push rod 29 is fixedly connected with the upper end of the push plate 30, the push rod 29 penetrates through the upper cavity wall of the transmission cavity 63 and extends into the inflation cavity 64, an inflation piston 28 is slidably connected in the inflation cavity 64, and the lower end of the inflation piston 28 is fixedly connected with the upper end of the push rod 29.
Beneficially, a first air cavity 65 is arranged above the air charging cavity 64, the air charging cavity 64 is connected with the first air cavity 65 through a first one-way valve 27 and a second one-way valve 28, the first one-way valve 27 enables the air in the air charging cavity 64 to only go out but not go in, the second one-way valve 28 enables the air in the air charging cavity 64 to only go in but not go out, a steering shaft 20 is rotatably connected to the front inner wall of the first air cavity 65, a lower baffle 22 and an upper baffle 21 are fixedly connected to the steering shaft 20, an included angle formed between the lower baffle 22 and the upper baffle 21 is one hundred twenty degrees, an air outlet cavity 67 is connected to the left end of the first air cavity 65, an air outlet piston 23 is slidably connected to the air outlet cavity 67, an air outlet spring 24 is fixedly connected to the left end of the air outlet piston 23, the left end of the air outlet spring 24 is fixedly connected to the left inner wall of the air outlet cavity 67, an air outlet 68 is arranged above the left side of the air outlet piston 23, the exhaust port 68 is communicated with the outside, the right side of the first air cavity 65 is provided with an air suction cavity 69, the left end of the air suction cavity 69 is communicated with the first air cavity 65, the right end of the air suction cavity 69 is communicated with the outside, a valve body 25 is arranged in the air suction cavity 69, the right end of the valve body 25 is blocked to communicate with the outside, the left end of the valve body 25 is fixedly connected with an air suction spring 26, the left end of the air suction spring 26 is fixedly connected with the left inner wall of the air suction cavity 69, a control cavity 72 is arranged at the rear side of the first air cavity 65, the rear end of the steering shaft 20 extends into the control cavity 72 and is rotatably connected to the rear cavity wall of the control cavity 72, the steering shaft 20 is fixedly connected with a control belt wheel 70 on one side of the control cavity 72, the conversion pull rope 60 extends from the right inner wall of the control cavity 72 and winds around the control belt wheel 70, and a torsion spring is arranged at the rotary connection position of the steering shaft 20 and the control cavity 72.
Beneficially, a second air cavity 66 is arranged above the first air cavity 65, the first air cavity 65 is communicated with the second air cavity 66, a driven cavity 73 is arranged on the rear side of the second air cavity 66, a driven shaft 19 is rotatably connected to the front inner wall of the second air cavity 66, a blocking block 18 is fixedly connected to the driven shaft 19, the rear end of the driven shaft 19 is connected into the driven cavity 73 and is rotatably connected to the rear inner wall of the driving cavity 73, a torsional spring is arranged at the rotary connection position of the driven shaft 19 and the driving cavity 73, and a steering belt wheel 71 is fixedly connected to the driven shaft 19 on one side of the driven cavity 73.
Advantageously, the upper end of the second air cavity 66 is connected with a left air cavity 74 and a right air cavity 75, the left air cavity 74 is connected into the lower end of the left side of the sliding cavity 47, the right air cavity 75 is connected with a hollow telescopic rod 76, the lower end of the hollow telescopic rod 76 is fixedly connected to the lower inner wall of the moving cavity 44, and the upper end of the hollow telescopic rod 76 is fixedly connected to the lower end of the moving block 11.
Beneficially, the right side of the second air cavity 66 is provided with an induction cavity 77, an induction plate 36 is slidably connected in the induction cavity 77, the upper end of the induction plate 36 is slidably connected with a connecting pin 78, the connecting pin 78 can move left and right on the induction plate 36, a return block 37 is arranged above the induction plate 36, the connecting pin 78 is slidably connected with the inner wall of the return block 37, the left end and the right end of the return block 37 are respectively fixedly connected with the limiting pull rope 38, the lower end of the induction plate 36 is fixedly connected with a steering pull rope 35, the steering pull rope 35 penetrates through the lower inner wall of the induction cavity 77 and extends out of the right inner wall of the driven cavity 73, and the steering pull rope 35 is wound on the steering pulley 71.
In the initial state, the picture frame 16 is displayed on the display opening 48 through the fixing block 14, the lower baffle 22 faces six o 'clock direction, and the upper baffle 21 faces two o' clock direction.
When the glass shield 17 is damaged and the picture is moved, or when natural disasters such as earthquake occur, the fixed block 14 can generate instantaneous or anticlockwise offset, so that the rotating pin 41 at the upper end or the lower end is separated from the limit of the protrusion 50, the slide block 40 is loosened under the action of the sliding spring 39, the limit pull rope 38 is loosened, the left side or the right side or both sides of the return block 37 are loosened simultaneously, the induction plate 36 is not limited by stress, the steering pull rope 35 is not limited by stress, the steering belt wheel 71 is not limited by stress, the driven shaft 19 rotates left and right under the torsion spring, the blocking block 18 rotates, the blocking block 18 does not block the right air cavity 75 and blocks the left air cavity 74, in the process, the fixed block 14 moves leftwards under the action of the return spring 15 and retracts into the moving cavity 44, thereby causing the sliding piston 12 to move leftward, thereby exhausting the gas in the sliding chamber 47 into the right gas chamber 75, at the same time, the motor 34 works to drive the transmission shaft 33 to rotate, thereby driving the cam 32 to rotate, thereby pushing the push plate 30 to work, the push plate 30 reciprocates up and down under the action of the cam 32 and the moving spring 31, thereby driving the inflating piston 28 to reciprocate up and down through the push rod 29, and through the control of the first check valve 27 and the second check valve 28, so that the first air cavity 65 is continuously inflated, and at the same time, the air enters the second air cavity 66 from the first air cavity 65 and then enters the air cavity 75, so as to extend the hollow telescopic rod 76, and then the motor 34 is stopped after the moving block 11 with the picture frame 16 on the fixed block 14 moves upwards for a certain distance, so that the whole is stopped, and the picture is stored in the moving cavity 44 to be protected.
When the motor 34 is started after the contact is threatened to move the moving block 11 upwards to the top, the motor contacts the conversion pin 58 and pushes the conversion pin 58 upwards, the conversion pin 58 is limited by the fixed pin 57, the conversion pin 58 pulls the conversion pull rope 60 upwards, so that the control belt wheel 70 rotates, the steering shaft 20 is driven to rotate, the lower baffle plate 22 is driven to face a ten-o 'clock direction, the upper baffle plate 21 points to six o' clock direction, the first air cavity 65 is changed into an air suction state, the air in the hollow telescopic rod 76 is pumped out, the moving block 11 descends, after the moving block 11 descends and contacts the reset pin 54, the reset pin 54 moves downwards and pulls the fixed pull rope 55, the fixed pin 57 is driven to be separated from the limit of the conversion pin 58, the conversion pin 58 is reset downwards under the action of the conversion spring 59, the conversion pull rope 60 is loosened, and the control belt wheel 70 loses the stress limit, so that the steering shaft 20 is not restricted by force, and the steering shaft 20 is rotated again by the torsion spring, so that the first air chamber 65 is changed from the air-intake state to the air-charge state, and at the same time the first electromagnet 42 and the second electromagnet 43 are activated, causing the slider 40 to move to the right, pulling the limit pull cord 38, and thus the return block 37 upwards, thereby bringing the sensing plate 36 upward, via the connecting pin 78, thereby pulling the steering cord 35 upward, thereby driving the steering belt wheel 71 to rotate, driving the driven shaft 19 to rotate, driving the stop block 18 to reset clockwise, thereby allowing gas to enter the left gas chamber 74, and thus the sliding chamber 47, thereby pushing the sliding piston 12 to the right, thereby pushing the connecting rod 13 to the right and thus the fixing plate 14 to the right, and at this time, the first electromagnet 42 and the second electromagnet 43 are turned off so that the entire apparatus is reset.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (1)
1. The utility model provides a painting exhibition safety arrangement, includes the wall body, its characterized in that: a moving cavity is arranged in the wall body, a moving mechanism capable of driving the picture frame to move is arranged in the moving cavity, a transmission mechanism for providing power for the picture frame to move is arranged below the moving mechanism, the moving mechanism comprises a moving block which is connected to the left inner wall of the moving cavity in a sliding mode, a sliding cavity is arranged in the moving block, the sliding cavity is connected with an overflow valve with the outside, a sliding piston is connected in the sliding cavity in a sliding mode, the right end of the sliding piston is hinged with a connecting rod, a torsional spring is arranged at the hinged connection position of the connecting rod, a fixed plate is fixedly connected to the right end of the connecting rod, the picture frame is fixedly connected in the fixed plate, a display port communicated with the outside is arranged on the right side of the lower end of the moving cavity, a glass shield is arranged at the right end of the display port, limiting grooves with openings facing the display port are formed in the upper side and the lower side of the display port, and sliding blocks are arranged in the two limiting grooves, a rotating pin is hinged on the sliding block, one side of the rotating pin, which is close to the display opening, extends into the display opening, a first electromagnet is fixedly connected at the right end of the sliding block, a second electromagnet is fixedly connected on the right inner wall of the limiting groove, a sliding spring is fixedly connected at the left end of the sliding block, the left end of the sliding spring is fixedly connected on the left inner wall of the limiting groove, a limiting pull rope is fixedly connected at the left end of the sliding block, the limiting pull rope penetrates into the left inner wall of the limiting groove, a bulge is arranged at each of the upper end and the lower end of the fixed plate and can be contacted with one end of the rotating pin, which is close to the display opening, a return spring is fixedly connected at the left end of the fixed plate, the left end of the return spring is fixedly connected on the right end face of the moving block, a switching cavity with a downward opening is arranged above the moving cavity, and a switching pin is slidably connected in the switching cavity, the switching pin is fixedly connected with a switching spring, the upper end of the switching spring is fixedly connected to the upper inner wall of the switching cavity, the right end of the switching pin is fixedly connected with a switching stay cord, the switching stay cord penetrates into the wall of the switching cavity, the switching stay cord penetrates into the right inner wall of the switching cavity, the left inner wall of the switching cavity is provided with a fixing groove with a right opening, the fixing groove is internally and slidably connected with a fixing pin, the left end of the fixing pin is fixedly connected with a fixing spring, the left end of the fixing spring is fixedly connected to the left inner wall of the fixing groove, the left end of the fixing pin is fixedly connected with the fixing stay cord, the fixing stay cord penetrates into the left inner wall of the fixing groove, the switching pin is provided with a notch groove with a left opening, the lower inner wall of the moving cavity is provided with a reset groove with an upward opening, and the reset pin is internally and slidably connected with a reset pin, the lower end of the reset pin is fixedly connected with a compression spring, the lower end of the compression spring is fixedly connected to the lower inner wall of the reset groove, and the fixed pull rope extends out of the left inner wall of the reset groove and is fixedly connected to the left end of the reset pin; the transmission mechanism comprises a motor arranged in a wall body, a transmission cavity is arranged on the left side of the motor, a transmission shaft is connected to the motor in a power mode, the transmission shaft extends into the transmission cavity and is connected to the left inner wall of the transmission cavity in a rotating mode, a cam is fixedly connected to the transmission shaft, a push plate is connected to the transmission cavity in a sliding mode, the lower end of the push plate is in contact with the cam, a moving spring is fixedly connected to the upper end of the push plate, the upper end of the moving spring is fixedly connected to the upper inner wall of the transmission cavity, an inflation cavity is arranged above the transmission cavity, a push rod is fixedly connected to the upper end of the push plate, the push rod penetrates through the upper cavity wall of the transmission cavity and extends into the inflation cavity, an inflation piston is connected to the inflation cavity in a sliding mode, and the lower end of the inflation piston is fixedly connected with the upper end of the push rod; a first air cavity is arranged above the air inflation cavity, the air inflation cavity is connected with the first air cavity through a first one-way valve and a second one-way valve, the first one-way valve enables air in the air inflation cavity to flow out but not in, the second one-way valve enables air in the air inflation cavity to flow in but not out, a steering shaft is rotatably connected to the front inner wall of the first air cavity, a lower baffle and an upper baffle are fixedly connected to the steering shaft, an included angle formed between the lower baffle and the upper baffle is one hundred twenty degrees, an air outlet cavity is connected to the left end of the first air cavity, an air outlet piston is slidably connected in the air outlet cavity, an air outlet spring is fixedly connected to the left inner wall of the air outlet cavity, an air outlet is arranged above the left side of the air outlet piston, the air outlet is communicated with the outside, an air suction cavity is arranged on the right side of the first air cavity, the left end of the air suction cavity is communicated with the first air cavity, the right end of the air suction cavity is communicated with the outside, a valve body is arranged in the air suction cavity, the right end of the valve body is blocked to enable the right end of the air suction cavity to be communicated with the outside, the left end of the valve body is fixedly connected with an air suction spring, the left end of the air suction spring is fixedly connected to the left inner wall of the air suction cavity, a control cavity is arranged on the rear side of the first air cavity, the rear end of the steering shaft extends into the control cavity and is rotatably connected to the rear cavity wall of the control cavity, a control belt wheel is fixedly connected to one side of the control cavity by the steering shaft, the conversion pull rope extends out of the right inner wall of the control cavity and is wound on the control belt wheel, and a torsional spring is arranged at the rotary connection position of the steering shaft and the control cavity; a second air cavity is arranged above the first air cavity, the first air cavity is communicated with the second air cavity, a driven cavity is arranged at the rear side of the second air cavity, a driven shaft is connected to the front inner wall of the second air cavity in a rotating manner, a blocking block is fixedly connected to the driven shaft, the rear end of the driven shaft is connected into the driven cavity and is connected to the rear inner wall of the transmission cavity in a rotating manner, a torsional spring is arranged at the rotating connection position of the driven shaft and the transmission cavity, and a steering belt wheel is fixedly connected to the driven shaft on one side of the driven cavity; the upper end of the second air cavity is connected with a left air cavity and a right air cavity, the left air cavity is connected to the lower end of the left side of the sliding cavity, the right air cavity is connected with a hollow telescopic rod, the lower end of the hollow telescopic rod is fixedly connected to the lower inner wall of the moving cavity, and the upper end of the hollow telescopic rod is fixedly connected to the lower end of the moving block; the right side of the second air cavity is provided with an induction cavity, an induction plate is connected in the induction cavity in a sliding mode, the upper end of the induction plate is connected with a connecting pin in a sliding mode, the connecting pin can move left and right on the induction plate, a return block is arranged above the induction plate, the connecting pin is connected with the inner wall of the return block in a sliding mode, the left end and the right end of the return block are respectively fixedly connected with a limiting pull rope, the lower end of the induction plate is fixedly connected with a steering pull rope, the steering pull rope penetrates through the lower inner wall of the induction cavity and extends out of the right inner wall of the driven cavity, and the steering pull rope is wound on a steering belt wheel.
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| CN114635512B (en) * | 2022-02-17 | 2023-10-31 | 新郑市中原泡沫材料有限公司 | Heat preservation wallboard structure for building heat preservation |
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