CN113894016B - Clamping device for preventing display screen from falling off - Google Patents
Clamping device for preventing display screen from falling off Download PDFInfo
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- CN113894016B CN113894016B CN202111398106.8A CN202111398106A CN113894016B CN 113894016 B CN113894016 B CN 113894016B CN 202111398106 A CN202111398106 A CN 202111398106A CN 113894016 B CN113894016 B CN 113894016B
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- display screen
- display
- wedge
- clamping device
- current conducting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0208—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles
- B05C5/0212—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles only at particular parts of the articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
- B05C9/14—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating or cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0426—Cooling with air
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a clamping device for preventing a display screen from falling off, which comprises a clamping mechanism for clamping a display back plate and the display screen and a magnetic driving mechanism for driving the clamping mechanism to rotate, wherein the magnetic driving mechanism comprises a first driving rod, an electromagnetic sheet, a heat conduction shell, hot-melt metal, a partition plate, a limiting ring and memory metal, the heat conduction shell is fixedly connected to the display back plate, the hot-melt metal is placed in the heat conduction shell, the partition plate penetrates through one side of the heat conduction shell in a fit manner, the memory metal is fixedly connected to the lower end of the partition plate, and in the process of jacking the clamping mechanism by the first driving rod, the clamping mechanism continuously clamps the display back plate and the display screen to prevent the display back plate and the display screen from being separated due to melting of glue solution, so that the probability that external gas or dust enters the display screen from gaps to damage electrical components in the display screen can be prevented.
Description
Technical Field
The invention relates to the field of display screen protection, in particular to a clamping device for preventing a display screen from falling off.
Background
The display screen is usually bonded on the display backboard through glue solution, and is installed on the wall by the display backboard, the display backboard can generate heat because the processor load is higher during operation, when the temperature that generates heat is too high, the glue solution melts and makes the display screen take place the phenomenon of coming unstuck, if at this moment do not intervene, the electric elements that leads to in the display backboard in the material such as external dust, steam can take advantage of the opportunity to bore into the display backboard receive the corruption, and then can influence the life of this display screen.
Disclosure of Invention
In order to overcome the above-mentioned defects of the prior art, the present invention provides a clamping device for preventing a display screen from falling off, and the technical problem to be solved by the present invention is: degumming between the display screen and the display screen back plate causes dust to damage electrical components in the display screen back plate.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a clamping device for preventing display screen drops, the device is including the fixture who is used for centre gripping display backplate and display screen to and be used for driving fixture pivoted magnetic drive mechanism, magnetic drive mechanism includes first actuating lever, electromagnetic sheet, heat conduction casing, hot melt metal, division board, spacing collar and memory metal, heat conduction casing fixed connection has placed the hot melt metal in the heat conduction casing on the display backplate, the division board is worn to be equipped with in the laminating of one side of heat conduction casing, the lower extreme fixedly connected with memory metal of division board, one side block of memory metal is connected in spacing collar and opposite side and division board fixed connection, and spacing collar fixed connection is in the back of display backplate, through connection has the conducting strip on the inner wall of heat conduction casing, the conducting strip passes through wire and electromagnetic sheet and external power source electric connection, first actuating lever is made by having magnetic metal.
Specifically, one end of the memory metal is fixed in the limiting ring, the other end of the memory metal can move freely, and the partition plate connected with the free end can slide in the heat-conducting shell.
Preferably, the partition plate is elastically connected with the limiting ring, and the first driving rod is located on one side of the limiting ring.
Preferably, the one end sliding connection of first actuating lever has the second actuating lever, it is connected with the universal joint to rotate on the terminal surface of second actuating lever, the universal joint cover locate on the gag lever post and with gag lever post elastic connection, gag lever post fixed connection is on the display backplate.
Preferably, the second driving rod is U-shaped or L-shaped.
In particular, the second drive rod, which is L-shaped or U-shaped, can simultaneously grip to both gripping mechanisms in a vertical position during the movement.
Preferably, fixture includes support body and conflict board, support body elasticity rotates and connects in the back of display backplate, one or two conflict boards of fixedly connected with on the support body, the conflict board is located the removal stroke of the first actuating lever or the second actuating lever that correspond.
Preferably, fixture still includes a encapsulating section of thick bamboo, the support body is hollow structure, support body and encapsulating section of thick bamboo are linked together, and the encapsulating section of thick bamboo intussuseption is filled with the glue solution, the injecting glue mouth has been seted up on the support body, the injecting glue mouth is located the edge mouth department of display screen towards the display backplate.
Specifically, the position of the glue injection opening on the frame body can be manually selected according to the thickness of the display back plate.
Preferably, be provided with the point gum machine in the support body and construct, the point gum machine constructs including wedge spring, first wedge and second wedge, first wedge passes through wedge spring elasticity sliding connection in the support body, first wedge and second wedge sliding connection just the direction of motion mutually perpendicular of second wedge and first wedge.
Preferably, the glue dispensing mechanism further comprises a wrapping sheet, and the wrapping sheet is wrapped on the outer side of the second wedge-shaped block in a sliding mode.
Preferably, the outside of display backplate is provided with cooling body, cooling body is including cooling casing, magnetic force package piece, first current conducting plate, second current conducting plate and cooling fin, cooling casing fixed connection is on the back of display backplate, fixedly connected with second current conducting plate in the cooling casing, one side of second current conducting plate is provided with first current conducting plate, first current conducting plate slides and arranges in the cooling casing and first current conducting plate and magnetic force package piece fixed connection, magnetic force package piece and display backplate elastic connection, install the power in the magnetic force package piece, the second current conducting plate passes through wire and a plurality of cooling fin electric connection, the magnetic force package piece is close to one of corresponding electromagnetic piece and serves fixed connection and have the magnetic patch.
Preferably, fixedly connected with rack on the first current conducting plate, the rack runs through the setting of second current conducting plate, the internal transmission of cooling shell is connected with a plurality of flabellums, coaxial fixedly connected with gear on the flabellum, gear and rack toothing transmission.
The invention has the technical effects and advantages that:
the memory metal is heated to deform, the partition plate is pulled to move downwards, the hot-melt metal originally positioned on two sides of the partition plate is melted and converged, the hot-melt metal is contacted, a loop is communicated, an external power supply is enabled through a wire, the electromagnetic sheet is electrified and attracts the first driving rod to rotate, the electromagnetic sheet is driven to jack the clamping mechanism, in the process of jacking the clamping mechanism through the first driving rod, the clamping mechanism is enabled to continuously clamp the display back plate and the display screen, the display back plate and the display screen are prevented from being separated due to the melting of glue solution, so that the size of a gap generated under the condition that the load of the processor is high can be reduced, and the probability that external gas or dust enters the display screen from the gap to damage electrical elements inside the display screen can be prevented.
After the display screen is clamped by the frame body in a turnover mode, the second wedge blocks are pressed and drive the first wedge blocks to move, so that the volume of the cavity in the frame body is compressed, the glue solution in the glue filling cylinder is compressed at the same time, and the glue solution can be output from the glue filling port.
When the return circuit that comprises first current conducting plate, second current conducting plate and the power that is located the magnetic force package piece communicates, can transmit the electric current to the cooling fin on, make the cooling fin refrigeration to transmit air conditioning to the display backplate on in order to reach the purpose that reduces display backplate temperature, simultaneously first current conducting plate and second current conducting plate can take place the meshing transmission through rack and gear when taking place relative motion, still can drive the flabellum and rotate, improve the efficiency that air conditioning flowed.
Drawings
Fig. 1 is a schematic structural diagram of a clamping device for preventing a display screen from falling off according to the present invention.
Fig. 2 is a schematic structural diagram of the display screen back plate and the display screen of the present invention.
FIG. 3 is a schematic structural diagram of the clamping mechanism of the present invention.
Fig. 4 is a schematic structural view of the first driving rod of the present invention.
FIG. 5 is a schematic view of the construction of the universal joint of the present invention.
Fig. 6 is a schematic structural view of the dispensing mechanism of the present invention.
Fig. 7 is a schematic structural diagram of a second wedge block of the present invention.
Fig. 8 is a schematic structural view of the heat-conducting casing according to the present invention.
Fig. 9 is a partially enlarged view of a in fig. 3.
FIG. 10 is a schematic view of a fan blade according to the present invention.
Fig. 11 is a schematic structural view of the frame body of the present invention.
The reference signs are:
1. a display backplane; 2. a clamping mechanism; 201. a frame body; 202. a touch plate; 203. filling a rubber cylinder; 3. a glue dispensing mechanism; 301. a wedge spring; 302. a first wedge block; 303. a second wedge block; 304. wrapping the slices; 4. a display screen; 5. a first drive lever; 6. a second drive lever; 7. a limiting rod; 8. a universal joint; 9. an electromagnetic sheet; 10. a thermally conductive housing; 11. cooling the housing; 12. magnetic force wrapping blocks; 13. a rack; 14. a first conductive plate; 15. a second conductive plate; 16. a fan blade; 17. a cooling fin; 18. hot-melting metal; 19. a partition plate; 20. a limiting ring; 21. a memory metal.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Example one
Referring to fig. 1, 2, 3, 4 and 8, a clamping device for preventing a display screen from falling off includes a clamping mechanism 2 for clamping a display backplate 1 and a display screen 4, and a magnetic driving mechanism for driving the clamping mechanism 2 to rotate, the magnetic driving mechanism includes a first driving rod 5, an electromagnetic plate 9, a heat-conducting casing 10, a hot-melting metal 18, a partition plate 19, a spacing ring 20 and a memory metal 21, the heat-conducting casing 10 is fixedly connected to the display backplate 1, the hot-melting metal 18 is disposed in the heat-conducting casing 10, the partition plate 19 is attached to one side of the heat-conducting casing 10, the memory metal 21 is fixedly connected to a lower end of the partition plate 19, one side of the memory metal 21 is clamped and connected to the spacing ring 20, and the other side is fixedly connected to the partition plate 19, the spacing ring 20 is fixedly connected to a back of the display backplate 1, a conducting plate is connected to an inner wall of the heat-conducting casing 10 through, the conducting plate is electrically connected to the electromagnetic plate 9 and an external power supply through a conducting wire, the first driving rod 5 is made of a metal with magnetism, and the metal with magnetism can be iron or nickel, etc.
In the invention, when the processor in the display backboard 1 generates heat due to a large load, on one hand, the heat is conducted to the heat conducting shell 10, the heat conducting shell 10 can be made of copper or aluminum with good heat conducting performance, the heat is further transmitted to the hot-melt metal 18 arranged in the heat conducting shell 10 through the heat conducting shell 10, the hot-melt metal 18 is heated and melted, on the other hand, the memory metal 21 is directly contacted with the display backboard 1, so that high temperature is transmitted to the memory metal 21, and the memory metal 21 is deformed and pulls the partition plate 19 to move downwards. Because one end of the memory metal 21 is fixed in the spacing collar 20 and the other end can move freely, the partition plate 19 connected with the free end can slide in the heat-conducting shell 10, the hot-melting metals 18 originally located at two sides of the partition plate 19 are melted and converged, so that the hot-melting metals 18 are in contact, the loop is communicated, an external power supply transmits electrons to the electromagnetic sheet 9 under the action of a lead and a conducting sheet, the electromagnetic sheet 9 is electrified and attracts the first driving rod 5 to rotate, the first driving rod 5 is driven to jack the clamping mechanism 2, and in the process that the first driving rod 5 jacks the clamping mechanism 2, the clamping mechanism 2 continuously clamps the display back plate 1 and the display screen 4, the separation of the display back plate 1 and the display screen 4 caused by the melting of glue is prevented, so that the size of a gap generated by the display back plate 1 and the display screen 4 under the condition of high processor load can be reduced, and the probability that external gas or dust can be prevented from entering the gap into the display screen 4 to damage electrical equipment elements can be avoided.
For example, alkali metals have a relatively low melting point and are unstable. The melting point of sodium is 97.81 ℃, the melting point of potassium is 63.65 ℃, the melting point of rubidium is 38.89 ℃, the melting point of cesium is 28.40 ℃, the melting point of francium is 27.00 ℃, the melting point of gallium is 29.80 ℃, and heat of about 60 ℃ can be possibly emitted when a processor is overloaded and generates heat seriously, so that rubidium metal with the melting point of 38.89 ℃ can be selected and used, the element comprises 5 isotopes of rubidium, wherein rubidium-83, rubidium-84 and rubidium-86 are artificially synthesized and do not exist in the natural world; the rubidium-85 which accounts for 72 percent of the main part is stable isotope and has no radioactivity; rubidium-87 has certain radioactivity, but the half-life is very long for four hundred and nine billion years, namely, the decay is very slow, and the radioactivity is very weak, so that the metal meeting the requirement of low melting point can be safely used by the invention.
The invention can also utilize cesium, francium or gallium to achieve low melting point.
Furthermore, the partition plate 19 is elastically connected with the limiting ring 20, and the first driving rod 5 is positioned on one side of the limiting ring 20.
The division plate 19 is connected with the limiting ring 20 through a spring, when the load of the processor is reduced and the released heat is synchronously reduced, the division plate 19 is lifted back to the original position under the elastic action of the spring when the memory metal 21 is restored due to the gradual reduction of the heat of the memory metal 21, so that the hot-melt metal 18 in the heat-conducting shell 10 is divided into two parts again, when the hot-melt metal 18 cannot absorb enough heat, the hot-melt metal is gradually solidified, at the moment, the hot-melt metals 18 on the two sides of the division plate 19 cannot be in a circuit-broken state because the hot-melt metals 18 cannot be in direct contact, namely, the electromagnetic sheet 9 in the circuit-broken state cannot drive the first driving rod 5 to rotate.
Example two
Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 11, on the basis of the above embodiment, one end of the first driving rod 5 is slidably connected to the second driving rod 6, the end surface of the second driving rod 6 is rotatably connected to the universal joint 8, the universal joint 8 is sleeved on the limiting rod 7 and elastically connected to the limiting rod 7, and the limiting rod 7 is fixedly connected to the display back plate 1.
The second drive lever 6 is U-shaped or L-shaped.
When the electromagnetism piece 9 takes place to rotate through magnetic drive first actuating lever 5, can stretch out under the limiting displacement of universal joint 8 and gag lever post 7 with first actuating lever 5 sliding connection's second actuating lever 6, thereby play the purpose of the fixture 2 of the other one side of contradicting, just so can easily realize that a plurality of fixtures 2 of simultaneous drive expand simultaneously and press from both sides the purpose of tight display backplate 1 and display screen 4, the stability and the homogeneity of centre gripping display backplate 1 and display screen 4 have been improved.
The L-shaped or U-shaped second driving rod 6 can simultaneously clamp the two clamping mechanisms 2 in the vertical position in the moving process, so that the sensitivity and the convenience of the whole device in use are improved.
EXAMPLE III
Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 6, and fig. 7, based on the above embodiment, the clamping mechanism 2 includes a frame body 201 and an abutting plate 202, the frame body 201 is elastically and rotatably connected to the back surface of the display back plate 1 through a spring, one or two abutting plates 202 are fixedly connected to the frame body 201, and the abutting plate 202 is located on the moving stroke of the corresponding first driving rod 5 or the corresponding second driving rod 6.
The spring may enable the frame 201 to be automatically reset after the first driving lever 5 or the second driving lever 6 is removed.
Be provided with some gum machine in the support body 201 and construct 3, some gum machine constructs 3 and includes wedge spring 301, first wedge 302 and second wedge 303, and first wedge 302 passes through wedge spring 301 elasticity sliding connection in support body 201, first wedge 302 and second wedge 303 sliding connection and second wedge 303 and first wedge 302's direction of motion mutually perpendicular.
The glue dispensing mechanism 3 further comprises a wrapping sheet 304, and the wrapping sheet 304 is wrapped outside the second wedge-shaped block 303 in a sliding manner.
When the first driving rod 5 rotates, the first driving rod will abut against the abutting plate 202 in the rotating process, and the frame body 201 is driven to turn over at the back of the display back plate 1 and clamp the display back plate 1 and the display screen 4 in the process of pressing the abutting plate 202. The number of the interference plates 202 is determined depending on the number of the contact positions of the first driving lever 5 or the second driving lever 6 with the frame body 201. Further, when the frame body 201 is turned over and clamps the display back plate 1 and the display screen 4, the dispensing mechanism 3 located at one end of the frame body 201 can dispense glue in a gap formed between the display back plate 1 and the display screen 4. Particularly, after display screen 4 is held in the upset of support body 201, second wedge 303 pressurized and drive first wedge 302 and remove to the volume of cavity in the compression support body 201 makes the glue solution in the encapsulating section of thick bamboo 203 receive the compression simultaneously, thereby can follow the glue injection mouth with the glue solution and export.
Furthermore, the glue filling cylinder 203 is communicated with an external glue source, a one-way valve is arranged at the position where the glue filling cylinder 203 is communicated with the external glue source, the one-way valve is also arranged at the glue injection port, and the external glue source can be pumped into the glue filling cylinder 203 in time by utilizing pressure through the one-way guiding function of the one-way valve, so that the glue solution flows out of the glue injection port after the second wedge-shaped block 303 is extruded every time, and the purpose of bonding is realized.
Example four
Referring to fig. 1, 2, 3, 4, 9 and 10, on the basis of the above embodiment, a cooling mechanism is disposed outside the display back plate 1, the cooling mechanism includes a cooling housing 11, a magnetic package 12, a first conductive plate 14, a second conductive plate 15 and cooling fins 17, the cooling housing 11 is fixedly connected to the back surface of the display back plate 1, the second conductive plate 15 is fixedly connected to the inside of the cooling housing 11, a first conductive plate 14 is disposed on one side of the second conductive plate 15, the first conductive plate 14 is slidably disposed in the cooling housing 11, the first conductive plate 14 is fixedly connected to the magnetic package 12, the magnetic package 12 is elastically connected to the display back plate 1, a power supply is installed inside the magnetic package 12, the second conductive plate 15 is electrically connected to the plurality of cooling fins 17 through a conductive wire, and a magnetic patch is fixedly connected to one end of the magnetic package 12 close to the corresponding electromagnetic fin 9.
Fixedly connected with rack 13 on the first current conducting plate 14, rack 13 runs through the setting of second current conducting plate 15, and the transmission is connected with a plurality of flabellums 16 in the cooling housing 11, coaxial fixedly connected with gear on the flabellum 16, gear and the meshing transmission of rack 13.
Under the effect of magnetic patch, when electromagnetism piece 9 circular telegram produced magnetic force, magnetic force package piece 12 can be repelled by the magnetic force of electromagnetism piece 9, first current conducting plate 14 and second current conducting plate 15 laminate mutually this moment, by first current conducting plate 14, second current conducting plate 15 and be located the return circuit that magnetic force package piece 12 constitutes and has communicated, so can transmit the electric current to cooling fin 17 on, make cooling fin 17 refrigerate, and transmit cold air to display backplate 1 on in order to reach the purpose that reduces display backplate 1 temperature, can take place the meshing transmission through rack 13 and gear when first current conducting plate 14 and second current conducting plate 15 take place relative motion simultaneously, still can drive flabellum 16 and rotate, improve the efficiency that cold air flowed out. In the above-mentioned in-process, when the treater temperature that is located display backplate 1 is higher, can trigger cooling fin 17 and cool down, and drive flabellum 16 rotates, work as and the temperature reduction of treater makes behind the interior no production electric current of electromagnetic sheet 9, magnetic force package piece 12 resets under the effect of spring makes first current conducting plate 14 and the separation of second current conducting plate 15, cooling fin 17 stop work, after treater temperature risees once more, laminating once more first current conducting plate 14 and second current conducting plate 15 makes cooling fin 17 work, so repeatedly can improve the cooling effect to the treater, it is further, when the glue solution flows out through the injecting glue mouth, refrigerated display backplate 1 can make the glue solution condense fast, thereby improve the bonding stability between firm display backplate 1 and display screen 4.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," "connecting," and "connecting" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be directly connected, and "upper," "lower," "left," and "right" are only used to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiment of the invention, only the structures related to the disclosed embodiment are related, other structures can refer to common design, and the same embodiment and different embodiments of the invention can be combined mutually under the condition of no conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (10)
1. The utility model provides a clamping device for preventing display screen drops which characterized in that: the device comprises a clamping mechanism (2) for clamping a display back plate (1) and a display screen (4), and
a magnetic drive mechanism for driving fixture (2) pivoted, magnetic drive mechanism includes first actuating lever (5), electromagnetic sheet (9), heat conduction casing (10), hot melt metal (18), division board (19), spacing collar (20) and memory metal (21), heat conduction casing (10) fixed connection is on display backplate (1), has placed hot melt metal (18) in heat conduction casing (10), division board (19) are worn to be equipped with in the laminating of one side of heat conduction casing (10), the lower extreme fixedly connected with memory metal (21) of division board (19), one side block of memory metal (21) is connected in spacing collar (20) and opposite side and division board (19) fixed connection, spacing collar (20) fixed connection is in the back of display backplate (1), run through on the inner wall of heat conduction casing (10) and be connected with the conducting strip, the conducting strip passes through wire and electromagnetic sheet (9) and external power source electric connection, first actuating lever (5) are made by the metal that has the hot melt metal, and when the treater in display backplate (1) produces the heat because of load is great, memory metal (21) produce the hot melt metal and the magnetic deformation, the conducting strip (18) and outside transfer the conducting strip (18) and the outside is located the conducting strip (19) and move down, the electromagnetic sheet (9) is electrified to generate magnetism to attract the first driving rod (5) to rotate so as to jack up the holding mechanism (2).
2. The clamping device for preventing the display screen from falling off according to claim 1, wherein: the partition plate (19) is elastically connected with the limiting ring (20), and the first driving rod (5) is located on one side of the limiting ring (20).
3. The clamping device for preventing the display screen from falling off according to claim 1 or 2, characterized in that: the one end sliding connection of first actuating lever (5) has second actuating lever (6), it is connected with universal joint (8) to rotate on the terminal surface of second actuating lever (6), universal joint (8) cover locate on gag lever post (7) and with gag lever post (7) elastic connection, gag lever post (7) fixed connection is on display backplate (1).
4. The clamping device for preventing the display screen from falling off according to claim 3, wherein: the second driving rod (6) is U-shaped or L-shaped.
5. The clamping device for preventing the display screen from falling off according to claim 1, wherein: fixture (2) are including support body (201) and conflict board (202), support body (201) elasticity is rotated and is connected in the back of display backplate (1), one or two conflict boards (202) of fixedly connected with on support body (201), conflict board (202) are located the removal stroke of corresponding first actuating lever (5) or second actuating lever (6).
6. The clamping device for preventing the display screen from falling off according to claim 5, wherein: fixture (2) still includes encapsulating cylinder (203), support body (201) are hollow structure, support body (201) and encapsulating cylinder (203) are linked together, and encapsulating cylinder (203) intussuseption is filled with the glue solution, the injecting glue mouth has been seted up on support body (201), the injecting glue mouth is located display screen (4) towards the bead department of display backplate (1).
7. The clamping device for preventing the display screen from falling off according to claim 6, wherein: be provided with some mechanism (3) of gluing in support body (201), some mechanism (3) of gluing include wedge spring (301), first wedge (302) and second wedge (303), first wedge (302) are through wedge spring (301) elasticity sliding connection in support body (201), first wedge (302) and second wedge (303) sliding connection just the direction of motion mutually perpendicular of second wedge (303) and first wedge (302), second wedge (303) pressurized and drive first wedge (302) and remove to the volume of compression support body (201) inner chamber, make the glue solution in encapsulating barrel (203) receive the compression simultaneously, export the glue solution from the injecting glue mouth.
8. The clamping device for preventing the display screen from falling off according to claim 7, wherein: the glue dispensing mechanism (3) further comprises a wrapping piece (304), and the wrapping piece (304) is wrapped outside the second wedge-shaped block (303) in a sliding mode.
9. The clamping device for preventing the display screen from falling off according to claim 1, wherein: the outside of display backplate (1) is provided with cooling body, cooling body is including cooling casing (11), magnetic force package piece (12), first current conducting plate (14), second current conducting plate (15) and cooling fin (17), cooling casing (11) fixed connection is on the back of display backplate (1), fixedly connected with second current conducting plate (15) in cooling casing (11), one side of second current conducting plate (15) is provided with first current conducting plate (14), first current conducting plate (14) slide arrange in cooling casing (11) and first current conducting plate (14) and magnetic force package piece (12) fixed connection, magnetic force package piece (12) and display backplate (1) elastic connection, install the power in magnetic force package piece (12), second current conducting plate (15) are through wire and a plurality of cooling fin (17) electric connection, magnetic force package piece (12) are close to one of corresponding electromagnetism piece (9) and are served fixedly connected with the magnetic force paster, under the effect of magnetic force paster, when electromagnetism piece (9) circular telegram produced, magnetic force package piece (12) are by the magnetic force package piece (14) and can be linked together with second current conducting plate (12) this moment second electricity.
10. The clamping device for preventing the display screen from falling off according to claim 9, wherein: fixedly connected with rack (13) on first current conducting plate (14), rack (13) run through second current conducting plate (15) and set up, cooling casing (11) internal transmission is connected with a plurality of flabellums (16), coaxial fixedly connected with gear on flabellum (16), gear and rack (13) meshing transmission.
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| CN202111398106.8A CN113894016B (en) | 2021-11-23 | 2021-11-23 | Clamping device for preventing display screen from falling off |
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| CN202111398106.8A CN113894016B (en) | 2021-11-23 | 2021-11-23 | Clamping device for preventing display screen from falling off |
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| CN113894016B true CN113894016B (en) | 2022-10-18 |
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| CN113334285A (en) * | 2021-07-05 | 2021-09-03 | 深圳金茂电子有限公司 | Positioning device for processing mobile phone display screen |
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| JP3678237B2 (en) * | 2003-05-06 | 2005-08-03 | 松下電器産業株式会社 | Plasma display |
| KR100625972B1 (en) * | 2003-10-15 | 2006-09-20 | 삼성에스디아이 주식회사 | Flat display panel device |
| CN107489677A (en) * | 2017-08-25 | 2017-12-19 | 安陆市乾坤广告有限公司 | A kind of roadside poster with duplex anchor ear |
| CN210297196U (en) * | 2019-07-29 | 2020-04-10 | 广东电网有限责任公司 | Low-voltage wire clamp |
| CN210271609U (en) * | 2019-09-11 | 2020-04-07 | 泉州鑫锐光电科技有限公司 | Outdoor LED display screen of prevention high temperature |
| CN110988417A (en) * | 2019-12-21 | 2020-04-10 | 张文浩 | Intelligent electric meter |
| CN213424480U (en) * | 2020-09-11 | 2021-06-11 | 和辉(深圳)液晶显示技术有限公司 | Explosion-proof high temperature resistant liquid crystal display |
| CN214008652U (en) * | 2020-12-31 | 2021-08-20 | 武汉交通职业学院 | Advertisement is with putting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN212231175U (en) * | 2020-05-15 | 2020-12-25 | 亚利韦(郑州)科技有限公司 | Wireless charging device for wireless handle |
| CN113334285A (en) * | 2021-07-05 | 2021-09-03 | 深圳金茂电子有限公司 | Positioning device for processing mobile phone display screen |
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