CN112097059B

CN112097059B - Connecting device of multifunctional display support

Info

Publication number: CN112097059B
Application number: CN202010867709.7A
Authority: CN
Inventors: 曾晓亮; 吴琼
Original assignee: Jiangxi College of Applied Technology
Current assignee: Jiangxi College of Applied Technology
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-10-26
Anticipated expiration: 2040-08-26
Also published as: CN112097059A

Abstract

The utility model provides a connecting device of multi-functional display support, the power distribution box comprises a box body, the left and right sides difference fixed mounting motor of bottom half, motor shaft's upper end fixed mounting lead screw, the periphery of lead screw is the screw thread installation screw respectively, be equipped with a mounting panel between the screw, the top side fixed mounting water tank of box, the upper portion fixed mounting baffle of water tank, the below of through-hole is equipped with the baffle, one side fixed connection thermal bimetal strip's of baffle one end, be equipped with the cross axle of rotation installation in the water tank under the through-hole, the two tipping buckets of top side fixed mounting of cross axle. The cooling liquid can be used for cooling the display, the cooling device can be automatically opened and closed according to the temperature of the display, and the display can swing, so that neck ache caused by a user keeping a fixed watching posture for a long time is avoided, the user can exercise the neck, and the swinging frequency of the display can be adjusted according to different heat dissipation values of the display during the service life.

Description

Connecting device of multifunctional display support

Technical Field

The invention belongs to the field of display supports, and particularly relates to a connecting device of a multifunctional display support.

Background

The display bracket is generally divided into a wall surface fixing part connected with a wall surface, a connecting arm for realizing rotation adjustment and a display fixing part fixedly connected with a display; however, the existing display support has single function and cannot meet the actual requirements, so that the connecting device of the multifunctional display support is invented by the people.

Disclosure of Invention

The invention provides a connecting device of a multifunctional display bracket, which is used for solving the defects in the prior art.

The invention is realized by the following technical scheme:

a connecting device of a multifunctional display support comprises a box body, wherein the front side of the box body is open, motors are fixedly arranged on the left side and the right side of the bottom of the box body respectively, a lead screw is fixedly arranged at the upper end of a rotating shaft of each motor, nuts are respectively and threadedly arranged on the periphery of the lead screw, a mounting plate is arranged between the nuts, one side, close to the nuts, of the mounting plate is respectively and fixedly connected with one end of a telescopic rod, the other end of the telescopic rod is respectively and hingedly connected with the corresponding nut, a water tank is fixedly arranged on the top side of the box body, a partition plate is fixedly arranged on the upper portion of the water tank and divides the water tank into an upper cavity and a lower cavity, a through hole is formed in the middle of the partition plate, a baffle plate is arranged below the through hole, one side of the baffle plate is fixedly connected with one end of a thermal bimetallic strip, and the other end of the thermal bimetallic strip is fixedly connected with the partition plate; a cross shaft rotatably arranged in the water tank is arranged right below the through hole, double tipping buckets are fixedly arranged on the top sides of the cross shaft, limiting rods fixedly arranged on the water tank are respectively arranged on two sides below the double tipping buckets, contact switches are respectively and fixedly arranged on the limiting rods and can be respectively in contact fit with the double tipping buckets, the contact switches are respectively connected with the motor through circuits, cooling liquid is filled in the upper cavity, and a circulating pump device capable of lifting the cooling liquid in the lower cavity to the upper cavity is fixedly arranged on one side of the water tank.

According to the connecting device of the multifunctional display support, the controller is fixedly installed on one side of the box body, the contact switches are respectively and electrically connected with the input end of the controller, the motor is respectively and electrically connected with the output end of the controller, and the circulating pump device is connected with the controller through a circuit.

The connecting device of the multifunctional display support comprises a circulating pump, wherein a liquid inlet and a liquid outlet are sequentially formed in the upper end and the lower end of one side of a water tank, the liquid inlet is connected with the liquid outlet through a connecting pipe, the circulating pump is installed on the connecting pipe, a liquid level meter is fixedly installed at the bottom of the water tank and is connected with an input end circuit of a controller, and the circulating pump is connected with an output end circuit of the controller.

The connecting device for the multifunctional display bracket comprises a mounting plate, a rectangular groove is formed in the front side of the mounting plate, two first connecting rods distributed up and down are arranged in the rectangular groove, the opposite ends of the first connecting rods are respectively hinged with the rectangular groove, the other ends of the first connecting rods are respectively hinged with one end of a second connecting rod, the other ends of the second connecting rods are respectively hinged with a support plate, the opposite sides of the support plates are fixedly connected through connecting plates, mounting through holes are formed in the support plates corresponding to mounting holes of a display, jacks are respectively formed in the bottom sides of the rectangular groove corresponding to the support plates, inserting rods capable of moving up and down are respectively movably mounted in the jacks, wedge-shaped blocks are respectively and fixedly mounted at the upper ends of the inserting rods, limiting grooves are respectively formed in the bottom sides of the support plates, the limiting grooves are in inserting fit with the wedge-shaped blocks, the wedge-shaped blocks are connected with the rectangular groove through springs sleeved on the peripheries of the inserting rods, and the lower ends of the inserting rods are respectively and fixedly connected with one end of pull wires, the bottom side of box sets up the line hole, is equipped with the stay cord in the line hole, the upper end of stay cord and the other end fixed connection who acts as go-between, the lower extreme fixed mounting pull ring of stay cord.

According to the connecting device for the multifunctional display support, the vertical strip-shaped sliding groove is formed in the middle of the rear side of the inner wall of the box body, the sliding rod is movably installed in the strip-shaped sliding groove and is a round rod, and the diameter of the sliding rod is equal to the left width and the right width of the strip-shaped sliding groove.

The connecting device of the multifunctional display bracket comprises a base plate, wherein the top side of a transverse shaft is fixedly connected with the middle of the bottom side of the base plate, triangular plates are fixedly mounted on the front side and the rear side of the top side of the base plate respectively, one opposite sides of the triangular plates are fixedly connected through longitudinal partition plates, the bottom sides of the longitudinal partition plates are fixedly connected with the top side of the base plate, and the bottom sides of the base plate can be in contact fit with contact switches respectively.

According to the connecting device of the multifunctional display support, one side of the screw is fixedly provided with the sliding sleeve respectively, the sliding sleeve is internally provided with the optical axis in a sliding manner respectively, the sliding sleeve can only move along the upper end of the optical axis, and the optical axis is fixedly connected with the box body.

The invention has the advantages that: the invention has simple structure and ingenious conception, can radiate the display through the cooling liquid, can automatically open and close the heat radiating device according to the temperature of the display, and can enable the display to swing, thereby avoiding the neck ache caused by the fact that a user keeps a fixed watching posture for a long time, enabling the user to exercise the neck, and simultaneously adjusting the swinging frequency of the display according to the difference of heat radiation of the display during the use time, wherein the swinging frequency is faster when the watching time is longer, thereby meeting the market demand and being suitable for popularization. When the display box is used, the box body is firstly fixed at the installation position, the box body can be fixed on a wall by the expansion bolts penetrating through the fixing holes at the four corners of the rear side of the box body, and then the display is fixed at the front side of the installation plate, so that the middle of the back side of the display is connected with the installation plate; when the display is used, the motor is electrified, the rotating shaft of the motor is synchronously rotated, so that the screw rod is driven to rotate, the screw nut moves up and down along the screw rod, the screw nut drives the mounting plate and the display to move up and down through the telescopic rod, and therefore the display is adjusted to meet the use requirements of people with different heights; the heat emitted by the display in the using process flows upwards so as to be absorbed by the cooling liquid in the water tank, the heat can be conveniently dissipated to the display, the heat dissipated by the display can deform the thermal bimetallic strip, so that the thermal bimetallic strip moves the baffle forwards, the baffle is gradually moved away from the lower part of the through hole along with the temperature rise of the display, so that the through hole is opened, the cooling liquid in the upper cavity flows into the lower cavity through the through hole, the mobility of the cooling liquid is increased, the heat dissipation effect on the display is further increased, meanwhile, the cooling liquid falling from the through hole enters the skip bucket on one side of the double skip buckets, the skip buckets on the side are filled with the cooling liquid, the double skip buckets rotate under the gravity action of the cooling liquid, the double skip buckets drive the transverse shaft to rotate anticlockwise, the double skip buckets are respectively in contact fit with the limiting rod and the contact switch on one side, and the skip bucket on the other side of the double skip buckets is positioned below the through hole, the motor on one side rotates forward, the motor on the other side rotates reversely, so that the screw on one side moves upwards, the screw on the other side moves downwards, the telescopic rod drives the mounting plate to rotate, the display rotates clockwise by forty-five degrees, the skip bucket on the other side is filled with cooling liquid, the double skip buckets rotate clockwise, the double skip buckets are respectively in contact fit with the limiting rod and the contact switch on the other side, the motor on the other side rotates forward, the motor on one side rotates reversely, so that the display rotates anticlockwise by ninety degrees, when the double skip buckets are in contact fit with the limiting rod and the contact switch on one side for the second time, the display rotates clockwise by ninety degrees, then the display rotates anticlockwise by ninety degrees continuously and then rotates clockwise by ninety degrees, continuous swinging of the display is realized, in the process, a user needs to follow the display to slowly swing together for seeing and clearly the content of the display, thereby reach the purpose of tempering the neck to increase along with the display live time, the display temperature rises, and hot bimetal bar variable increases, thereby makes the angle that baffle and through-hole do not coincide enlarge, and the speed that the coolant liquid flows out the through-hole increases, thereby the wobbling frequency of display increases.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is an enlarged view of section I of FIG. 1; fig. 3 is a partial enlarged view of ii of fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A connecting device of a multifunctional display bracket comprises a box body 1, wherein the front side of the box body 1 is open, the left side and the right side of the bottom of the box body 1 are respectively fixedly provided with a motor 2, the upper end of a rotating shaft of the motor 2 is fixedly provided with a screw rod 3, the upper end of the screw rod 3 is respectively rotatably connected with the top of the box body 1 through a bearing, the periphery of the screw rod 3 is respectively provided with a screw nut 4 in a threaded manner, a mounting plate 5 is arranged between the screw nuts 4, one side of the mounting plate 5 close to the screw nut 4 is respectively and fixedly connected with one end of a telescopic rod 6, the other end of the telescopic rod 6 is respectively and correspondingly hinged with the screw nut 4, the top side of the box body 1 is fixedly provided with a water tank 7, the upper part of the water tank 7 is fixedly provided with a partition plate 8, the partition plate 8 divides the water tank 7 into an upper cavity and a lower cavity, the middle part of the partition plate 8 is provided with a through hole 9, a baffle plate 10 is arranged below the through hole 9, and the top side of the baffle plate 10 is in sliding contact fit with the bottom side of the partition plate 8, the lower end of the through hole 9 can be closed by the baffle plate 10, one side of the baffle plate 10 is fixedly connected with one end of the thermal bimetallic strip 11, and the other end of the thermal bimetallic strip 11 is fixedly connected with the partition plate 8; a cross shaft 12 rotatably installed in the water tank 7 is arranged right below the through hole 9, two ends of the cross shaft 12 are respectively rotatably connected with the inner wall corresponding to the water tank 7 through bearings, a double-tipping bucket 13 is fixedly installed on the top side of the cross shaft 12, limiting rods 14 fixedly installed on the water tank 7 are respectively arranged on two sides below the double-tipping bucket 13, the limiting rods 14 can limit the rotating range of the double-tipping bucket 13, contact switches 15 are respectively and fixedly installed on the limiting rods 14, the contact switches 15 can be respectively in contact fit with the double-tipping bucket 13, the contact switches 15 are respectively connected with the motor 2 through circuits, cooling liquid is contained in the upper cavity, and a circulating pump device capable of lifting the cooling liquid in the lower cavity to the upper cavity is fixedly installed on one side of the water tank 7. The invention has simple structure and ingenious conception, can radiate the display through the cooling liquid, can automatically open and close the heat radiating device according to the temperature of the display, and can enable the display to swing, thereby avoiding the neck ache caused by the fact that a user keeps a fixed watching posture for a long time, enabling the user to exercise the neck, and simultaneously adjusting the swinging frequency of the display according to the difference of heat radiation of the display during the use time, wherein the swinging frequency is faster when the watching time is longer, thereby meeting the market demand and being suitable for popularization. When the invention is used, firstly, the box body 1 is fixed at the installation position, the box body 1 can be fixed on the wall by the expansion bolts penetrating through the fixing holes at the four corners of the rear side of the box body 1, and then the display is fixed at the front side of the installation plate 5, so that the middle of the back side of the display is connected with the installation plate 5; when the display is used, the motor 2 is electrified, the rotating shaft of the motor 2 is enabled to rotate synchronously, so that the screw rod 3 is driven to rotate, the screw nut 4 moves up and down along the screw rod 3, the screw nut 4 drives the mounting plate 5 and the display to move up and down through the telescopic rod 6, and therefore the display is adjusted to meet the use requirements of people with different heights; the heat emitted by the display in the using process flows upwards so as to be absorbed by the cooling liquid in the water tank 7, the heat dissipation of the display is convenient, meanwhile, the heat emitted by the display can enable the thermal bimetallic strip 11 to deform, so that the thermal bimetallic strip 11 drives the baffle 10 to move forwards, the baffle 10 gradually moves away from the lower part of the through hole 9 along with the rise of the temperature of the display, so that the through hole 9 is opened, the cooling liquid in the upper cavity flows into the lower cavity through the through hole 9, the flowability of the cooling liquid is increased, the heat dissipation effect on the display is further increased, meanwhile, the cooling liquid falling from the through hole 9 enters the tipping bucket on one side of the double tipping buckets 13, the tipping buckets on the one side are filled with the cooling liquid, the double tipping buckets 13 rotate under the gravity action of the cooling liquid, the double tipping buckets 13 drive the transverse shaft 12 to rotate anticlockwise, the double tipping buckets 13 are respectively in contact fit with the limiting rod 14 and the contact switch 15 on the one side, the skip bucket on the other side of the double skip bucket 13 is positioned below the through hole 9, the motor 2 on one side rotates in the forward direction, the motor 2 on the other side rotates in the reverse direction, so that the nut 4 on one side moves upwards, the nut 4 on the other side moves downwards, the telescopic rod 6 drives the mounting plate 5 to rotate, so that the display rotates forty-five degrees clockwise, the skip bucket on the other side is filled with cooling liquid, the double skip bucket 13 rotates clockwise, the double skip bucket 13 is respectively in contact fit with the limiting rod 14 and the contact switch 15 on the other side, the motor 2 on the other side rotates in the forward direction, the motor 2 on one side rotates in the reverse direction, so that the display rotates ninety degrees anticlockwise, when the double skip bucket 13 is in contact fit with the limiting rod 14 and the contact switch 15 on one side for the second time, the display rotates ninety degrees clockwise, then the display rotates ninety degrees clockwise without stopping counterclockwise, and then rotates ninety degrees clockwise, and the swing of the display is continuous, in the process, a user needs to slowly swing along with the display for clearly seeing the content of the display, so that the purpose of exercising the neck is achieved, the temperature of the display rises along with the increase of the service time of the display, the deformation amount of the thermal bimetal strip 11 is increased, the angle of the baffle plate 10 which is not coincident with the through hole 9 is enlarged, the speed of the cooling liquid flowing out of the through hole 9 is increased, and the frequency of the swing of the display is increased.

Specifically, as shown in the figure, the controller 20 is fixedly installed on one side of the box 1 according to the present embodiment, the contact switches 15 are respectively electrically connected to the input end of the controller 20, the motor 2 is respectively electrically connected to the output end of the controller 20, and the circulation pump device is electrically connected to the controller 20. When the contact switch 15 on one side is in contact fit with the double-tipping bucket 13, the controller 20 controls the motor 2 on one side to rotate in the forward direction, and the motor on the other side to rotate in the reverse direction, and when the contact switch 15 on the other side is in contact fit with the double-tipping bucket 13, the controller 20 controls the motor 2 on the other side to rotate in the forward direction, and the motor on one side to rotate in the reverse direction; simultaneously can control motor 2 through the peripheral hardware input that matches with the controller respectively and rotate or stop, thereby realize the automatically regulated to the display angle, when making motor 2 forward rotation or reverse rotation simultaneously, the height of display can be adjusted from top to bottom, and can adjust through the peripheral hardware input and trigger contact switch 15 at every turn, motor 2 pivoted time, thereby can adjust display pivoted angle size, and can control opening of circulating pump device through the peripheral hardware input and stop, thereby realize cavity coolant liquid upwards cavity transfer down.

Specifically, as shown in the figure, this embodiment the circulating pump device include circulating pump 30, inlet 31, liquid outlet 32 are seted up in proper order to the upper and lower both ends of water tank 7 one side, and inlet 31 is connected through connecting pipe 33 with liquid outlet 32, installs circulating pump 30 on the connecting pipe 33, and bottom fixed mounting level gauge 34 of water tank 7, electron level gauge 34 are connected with controller 20's input end circuit, and circulating pump 30 is connected with controller 20's output end circuit. When the electronic liquid level meter 34 detects that the cooling liquid in the lower cavity is too much, the controller controls the circulating pump 30 to operate, so that the cooling liquid in the lower cavity is transferred to the upper cavity through the liquid outlet 32, the circulating pump 30, the connecting pipe 33 and the liquid inlet 31, and when the electronic liquid level meter 34 detects that the cooling liquid in the lower cavity is lower than a set value, the controller 20 controls the circulating pump 30 to stop operating.

Further, as shown in the figure, a rectangular groove 40 is formed in the front side of the mounting plate 5 according to the embodiment, two first connecting rods 41 are arranged in the rectangular groove 40, the two ends of the first connecting rods 41 opposite to each other are respectively hinged to the rectangular groove 40, the other ends of the first connecting rods 41 are respectively hinged to one end of a second connecting rod 42, the other ends of the second connecting rods 42 are respectively hinged to a supporting plate 43, the opposite sides of the supporting plate 43 are fixedly connected through a connecting plate 44, a mounting through hole 45 is formed in the supporting plate 43 corresponding to a mounting hole of the display, jacks 46 are respectively formed in the bottom side of the rectangular groove 40 corresponding to the supporting plate 43, the jacks 46 are respectively movably mounted in the jacks 46 and can only move up and down, wedge-shaped blocks 48 are respectively fixedly mounted at the upper ends of the jacks 47, limit grooves 49 are respectively formed in the bottom side of the supporting plate 43, the limit grooves 49 are in plug-in fit with the wedge-shaped blocks 48, the wedge-shaped blocks 48 are connected with the rectangular groove 40 through springs 50 sleeved on the peripheries of the jacks 47, the lower ends of the inserting rods 47 are respectively fixedly connected with one end of a pull wire 51, the bottom side of the box body 1 is provided with a wire hole 52, a pull rope 53 is arranged in the wire hole 52, the upper end of the pull rope 53 is fixedly connected with the other end of the pull wire 51, and the lower end of the pull rope 53 is fixedly provided with a pull ring 54. The lower end of the pull rope 53 is pulled through the pull ring 54, the pull rope 53 pulls the pull rope 51, the inserted rod 47 and the wedge-shaped block 48 are pulled downwards, the spring 50 is compressed, the wedge-shaped block 48 is pulled out of the limiting groove 49, the supporting plate 43 can be pulled out of the rectangular groove 40 at the moment, the folding rod consisting of the first connecting rod 41 and the second connecting rod 42 is pulled out, then the display is placed on the front side of the supporting plate 43, the mounting through hole 45 is aligned with the mounting hole of the display, then the bolt penetrates through the mounting through hole 45 to be in threaded connection with the mounting hole of the display, the display is fixed on the supporting plate 43, and the supporting plate 43 can be pulled out of the box body 1, so that the display can be mounted conveniently; after the installation, the display is pushed backwards until the back side of the display is in contact fit with the front side of the installation plate 5, at the moment, the wedge-shaped block 48 is positioned below the limiting groove 49, the pull ring 54 is loosened, the wedge-shaped block 48 moves upwards under the elastic action of the spring 50 to reset, the wedge-shaped block 48 enters the limiting groove 49 again, or the pull ring 54 is loosened, the display is directly pushed backwards, the lower edge of the back side of the support plate 43 can slide along the inclined plane of the front side of the wedge-shaped block 48 and can be pressed downwards to the wedge-shaped block 48, and therefore the wedge-shaped block 48 is automatically clamped into the limiting groove 49.

Furthermore, as shown in the figure, a vertical strip-shaped sliding groove 60 is formed in the middle of the rear side of the inner wall of the box body 1 according to the embodiment, a sliding rod 61 is movably installed in the strip-shaped sliding groove 60, the sliding rod 61 is a round rod, and the diameter of the sliding rod 61 is equal to the left-right width of the strip-shaped sliding groove 60. When the mounting plate 5 drives the display to rotate, the sliding rod 61 rotates in the bar-shaped sliding groove 60, and when the display moves up and down, the sliding rod 6 moves up and down in the bar-shaped sliding groove 60, so that the stability of the display during movement can be improved, and the display is prevented from sliding to one side to enable the telescopic rod 6 to be compressed.

Furthermore, as shown in the drawings, the double dump box 13 according to the embodiment includes a bottom plate 131, the top side of the horizontal shaft 12 is fixedly connected to the middle of the bottom side of the bottom plate 131, triangular plates 132 are fixedly mounted on the front and rear sides of the top side of the bottom plate 131, respectively, one side of the triangular plate 132 opposite to the one side is fixedly connected through a longitudinal partition 133, the bottom side of the longitudinal partition 133 is fixedly connected to the top side of the bottom plate 131, and the bottom side of the bottom plate 131 can be respectively in contact fit with the contact switches 15. The left side of the longitudinal partition plate 133 and the bottom plate 131 and the triangular plate 132 form a first receiving hopper, the right side of the longitudinal partition plate 133 and the bottom plate 131 and the triangular plate 132 form a second receiving hopper, cooling liquid falling from the through hole 9 can respectively enter the second receiving hopper and the first receiving hopper, when the cooling liquid falls into the first receiving hopper, the first receiving hopper is filled with the cooling liquid, the bottom plate 131 rotates anticlockwise along the axis of the transverse shaft 12, the bottom side of the bottom plate 131 is in contact fit with the contact switch 15 on the left side, meanwhile, the limiting rod 14 limits the bottom plate 131 to rotate continuously, the second receiving hopper is located below the through hole 9, the second receiving hopper is filled with the cooling liquid, the bottom plate 131 rotates clockwise, the bottom side of the bottom plate 131 is in contact fit with the contact switch 15 on the right side, meanwhile, the limiting rod 14 limits the bottom plate 131 to rotate continuously, and the first receiving hopper is located below the through hole 9.

Furthermore, as shown in the figure, a sliding sleeve 71 is fixedly installed on one side of the nut 4, an optical axis 72 is slidably installed in the sliding sleeve 71, the sliding sleeve 71 can only move along the upper end of the optical axis 72, and the optical axis 72 is fixedly connected with the box body 1. The screw 4 drives the sliding sleeve 71 to move up and down along the optical axis 72, so that the stability of the screw 4 can be improved, and the screw 4 is prevented from moving up and down on the screw rod 3.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a connecting device of multi-functional display support which characterized in that: comprises a box body (1), the front side of the box body (1) is open, the left side and the right side of the bottom of the box body (1) are respectively fixedly provided with a motor (2), a screw rod (3) is fixedly arranged at the upper end of a rotating shaft of the motor (2), the periphery of the screw rod (3) is respectively provided with a screw nut (4) in a threaded manner, a mounting plate (5) is arranged between the screw nuts (4), one side of the mounting plate (5) close to the screw nut (4) is respectively and fixedly connected with one end of a telescopic rod (6), the other end of the telescopic rod (6) is respectively hinged with the corresponding screw nut (4), a water tank (7) is fixedly arranged at the top side of the box body (1), a partition plate (8) is fixedly arranged at the upper part of the water tank (7), the water tank (7) is divided into an upper cavity and a lower cavity by the partition plate (8), a through hole (9) is formed in the middle part of the partition plate (8), a baffle plate (10) is arranged below the through hole (9), one side of the baffle plate (10) is fixedly connected with one end of a hot bimetallic strip (11), the other end of the thermal bimetallic strip (11) is fixedly connected with the clapboard (8); a cross shaft (12) rotatably installed in the water tank (7) is arranged right below the through hole (9), double tipping buckets (13) are fixedly installed on the top sides of the cross shaft (12), limiting rods (14) fixedly installed on the water tank (7) are respectively arranged on two sides of the lower portion of the double tipping buckets (13), contact switches (15) are respectively and fixedly installed on the limiting rods (14), the contact switches (15) can be respectively in contact fit with the double tipping buckets (13), the contact switches (15) are respectively connected with the motor (2) through circuits, cooling liquid is contained in the upper cavity, and a circulating pump device capable of lifting the cooling liquid in the lower cavity to the upper cavity is fixedly installed on one side of the water tank (7).

2. The multi-function display stand connecting device of claim 1, wherein: the device is characterized in that a controller (20) is fixedly installed on one side of the box body (1), the contact switches (15) are respectively and electrically connected with the input end of the controller (20), the motor (2) is respectively and electrically connected with the output end of the controller (20), and the circulating pump device is connected with the controller (20) through a circuit.

3. The multi-function display stand connecting device of claim 2, wherein: circulating pump device include circulating pump (30), inlet (31), liquid outlet (32) are seted up in proper order to the upper and lower both ends of water tank (7) one side, inlet (31) are connected through connecting pipe (33) with liquid outlet (32), install circulating pump (30) on connecting pipe (33), bottom fixed mounting electron level gauge (34) of water tank (7), the input circuit connection of electron level gauge (34) and controller (20), the output circuit connection of circulating pump (30) and controller (20).

4. The multi-function display stand connecting device of claim 1, wherein: a rectangular groove (40) is formed in the front side of the mounting plate (5), two first connecting rods (41) distributed up and down are arranged in the rectangular groove (40), one ends of the first connecting rods (41) opposite to each other are respectively hinged with the rectangular groove (40), the other ends of the first connecting rods (41) are respectively hinged with one ends of the second connecting rods (42), the other ends of the second connecting rods (42) are respectively hinged with a supporting plate (43), one opposite sides of the supporting plates (43) are fixedly connected through a connecting plate (44), mounting through holes (45) are formed in the supporting plates (43) corresponding to mounting holes of a display, jacks (46) are respectively formed in the bottom sides of the rectangular grooves (40) corresponding to the supporting plates (43), inserting rods (47) which can only move up and down are respectively movably mounted in the jacks (46), wedge-shaped blocks (48) are respectively fixedly mounted at the upper ends of the inserting rods (47), and limiting grooves (49) are respectively formed in the bottom sides of the supporting plates (43), the limiting groove (49) is in plug-in fit with the wedge-shaped block (48), the wedge-shaped block (48) is connected with the rectangular groove (40) through a spring (50) sleeved on the periphery of the inserted rod (47), the lower end of the inserted rod (47) is respectively and fixedly connected with one end of a pull wire (51), a wire hole (52) is formed in the bottom side of the box body (1), a pull rope (53) is arranged in the wire hole (52), the upper end of the pull rope (53) is fixedly connected with the other end of the pull wire (51), and a pull ring (54) is fixedly installed at the lower end of the pull rope (53).

5. The multi-function display stand connecting device of claim 1, wherein: the box body (1) is characterized in that a vertical strip-shaped sliding groove (60) is formed in the middle of the rear side of the inner wall of the box body (1), a sliding rod (61) is movably mounted in the strip-shaped sliding groove (60), the sliding rod (61) is a round rod, and the diameter of the sliding rod (61) is equal to the left width and the right width of the strip-shaped sliding groove (60).

6. The multi-function display stand connecting device of claim 1, wherein: the double-tipping bucket (13) comprises a bottom plate (131), the top side of the transverse shaft (12) is fixedly connected with the middle of the bottom side of the bottom plate (131), triangular plates (132) are fixedly mounted on the front side and the rear side of the top side of the bottom plate (131) respectively, one opposite sides of the triangular plates (132) are fixedly connected through longitudinal partition plates (133), the bottom sides of the longitudinal partition plates (133) are fixedly connected with the top side of the bottom plate (131), and the bottom sides of the bottom plate (131) can be in contact fit with contact switches (15) respectively.

7. The multi-function display stand connecting device of claim 1, wherein: one side of screw (4) fixed mounting sliding sleeve (71) respectively, slidable mounting optical axis (72) in sliding sleeve (71) respectively, sliding sleeve (71) only can follow optical axis (72) and move from top to bottom, optical axis (72) and box (1) fixed connection.