CN116989217B - Explosion-proof shockproof liquid crystal spliced screen - Google Patents
Explosion-proof shockproof liquid crystal spliced screen Download PDFInfo
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- CN116989217B CN116989217B CN202311010624.7A CN202311010624A CN116989217B CN 116989217 B CN116989217 B CN 116989217B CN 202311010624 A CN202311010624 A CN 202311010624A CN 116989217 B CN116989217 B CN 116989217B
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- locking
- support plate
- display screen
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 26
- 238000013016 damping Methods 0.000 claims abstract description 13
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 16
- 230000000694 effects Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/16—Details concerning attachment of head-supporting legs, with or without actuation of locking members thereof
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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
- G09F9/35—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 being liquid crystals
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses an explosion-proof and vibration-proof liquid crystal spliced screen, and relates to the technical field of liquid crystal spliced screens. The invention comprises a display screen, wherein the back of the display screen is fixedly provided with a back plate, the damping device comprises a support plate, an upper support plate, a lower support plate, an inserting plate, an upper locking plate and a lower locking plate, the support plate is arranged on the back of the back plate, the upper support plate is fixed on the upper part of the front surface of the support plate, the lower support plate is fixed on the lower part of the front surface of the support plate, the inserting plate is fixed on the back of the back plate, the upper locking plate is fixed on the bottom surface of the upper support plate through a spring, and the lower locking plate is fixed on the top surface of the lower support plate through a spring. According to the invention, through the arrangement of the damping device, the support plate, the upper support plate, the lower support plate, the plugboard, the upper locking plate and the lower locking plate are matched, if vibration occurs, the plugboard moves upwards to squeeze the upper locking plate when a vertical force occurs, and the plugboard moves downwards to squeeze the lower locking plate when the plugboard moves downwards, so that the force for relieving the vertical vibration is achieved under the action of a spring force, and the display screen is prevented from being damaged due to the vibration.
Description
Technical Field
The invention relates to the technical field of liquid crystal spliced screens, in particular to an explosion-proof and vibration-proof liquid crystal spliced screen.
Background
The liquid crystal spliced screen is large display equipment formed by splicing a plurality of small liquid crystal screens, can be spliced and disassembled at any time, has the purposes of being convenient to transport and assembling at any time, can form a huge display area when the screens are spliced together, presents content with abundant details, and is commonly used for outdoor performance and the like.
The patent with the patent public number of CN214705294U discloses an explosion-proof and vibration-proof liquid crystal spliced screen, which belongs to the technical field of liquid crystal spliced screens and comprises a frame and a liquid crystal spliced screen body arranged in the frame, wherein soft rubber mats are arranged on the left side and the right side of the liquid crystal spliced screen body, openings are formed in the upper end and the lower end of the left side and the right side of the inner wall of the frame, a movable plate is arranged in the opening, and grooves I are formed in the front side and the rear side of one end of the movable plate; this explosion-proof shock-proof liquid crystal spliced screen, through setting up soft rubber pad and baffle, utilize soft rubber pad to carry out preliminary shock-proof work to liquid crystal spliced screen body left and right sides, cooperation slider one is in the effect of spout one slip and spring two, avoid liquid crystal spliced screen body to receive vibrations and impaired, the buffer power of liquid crystal spliced screen body is increased in the effect of cooperation spring two again, improve the shock-proof explosion-proof effect of liquid crystal spliced screen body, thereby improved the application scope of liquid crystal spliced screen, also bring very big convenience for the user.
The following problems also exist in the liquid crystal spliced screen on the market today: in the use process of the spliced screens, the spliced screens are easy to collide and squeeze each other due to external force, so that the spliced screens can be broken or damaged due to cracks and the like, and the design of the explosion-proof and vibration-proof liquid crystal spliced screen is necessary.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an explosion-proof and vibration-proof liquid crystal spliced screen, which solves the problem that the spliced screens are easy to collide and squeeze with each other due to external force in the use process of the spliced screen, so that the spliced screen is possibly broken or damaged such as cracks.
In order to achieve the above purpose, the invention is realized by the following technical scheme: an explosion-proof and vibration-proof liquid crystal spliced screen comprises a display screen, wherein a back plate is fixed on the back surface of the display screen, and a damping device, a locking device, a pushing-out device and an anti-loosening device are arranged on the back surface of the back plate; the damping device comprises a supporting plate, an upper supporting plate, a lower supporting plate, an inserting plate, an upper locking plate and a lower locking plate, wherein the supporting plate is arranged on the back of the back plate, the upper supporting plate is fixed on the upper portion of the front face of the supporting plate, the lower supporting plate is fixed on the lower portion of the front face of the supporting plate, the inserting plate is fixed on the bottom face of the upper supporting plate through a spring, the lower locking plate is fixed on the top face of the lower supporting plate through a spring, the inserting plate is inserted between the upper locking plate and the lower locking plate, if vibration occurs, the inserting plate moves upwards to extrude the upper locking plate when the force appears in the vertical direction, the upper locking plate moves upwards to enable the upper locking plate to move upwards under the action of the spring force, the lower locking plate moves downwards to be weakened when the inserting plate moves downwards, the downward force of the lower locking plate is slowed down under the action of the spring force, and therefore the force of the up-down vibration is slowed down to be achieved, and the display screen is prevented from being damaged due to vibration.
Preferably, the damping device further comprises a rectangular block and an elastic sheet, the rectangular block is fixed on two sides of the front surface of the support plate, one end of the elastic sheet is fixed on the inner side of the rectangular block, the other end of the elastic sheet is slidably mounted on the front surface of the support plate, the elastic sheet is located on the movement track of the inserting plate, when the left and right direction force appears, the inserting plate extrudes the elastic sheet, the elastic sheet is extruded and contracted, and the left and right direction force is slowed down and weakened through the elastic sheet, so that the damage to the display screen caused by vibration is further prevented, and the display screen is safer.
Preferably, the locking device comprises a locking column, fine strips and locking strips, the locking column is fixed on the front face of the upper bearing plate, triangular blocks are fixed on two sides of the locking column, the fine strips are fixed on the back face of the back plate, the locking strips are slidably mounted on the back face of the back plate, after the locking strips are pushed into the inserting plate, the locking column extrudes the locking strips, the locking strips move towards two sides and approach the fine strips, springs are arranged between the fine strips and the locking strips, grooves for clamping the triangular blocks on two sides of the locking column are formed in the inner sides of the locking strips, after the locking column is tightly attached to the back plate, under the action of spring force, the locking strips are rebounded and are far away from the fine strips, the triangular blocks on two sides of the locking strips are buckled, so that the purpose of locking a display screen is achieved, the display screen is prevented from being separated from the supporting plate in the using process, and the display screen is prevented from falling and damaged.
Preferably, the locking device further comprises a trapezoid plate, a first telescopic rod, a second telescopic rod, a first push rod, a special-shaped pull rod and a transverse block, wherein the first telescopic rod is fixed on the upper surface of the upper supporting plate, when the display screen needs to be taken down, the first telescopic rod is started, the top end of the special-shaped pull rod is fixed at the telescopic end of the first telescopic rod, the first telescopic rod lifts the special-shaped pull rod, the transverse block is positioned on the motion track of the bottom end of the special-shaped pull rod, the transverse block lifts the upper locking plate, the upper locking plate is not matched with the lower locking plate to squeeze the plugboard, and the plugboard is not subjected to friction resistance in the taking-out process; the telescopic link II is fixed on the front of special-shaped pull rod top, simultaneously, starts telescopic link II, push rod I is fixed at telescopic link II flexible end, and telescopic link II promotes push rod I, the trapezoidal plate is fixed in the locking strip inboard, the trapezoidal plate is located push rod one motion track, and push rod I reaches the unblock position, and when telescopic link I promoted special-shaped pull rod, special-shaped pull rod lifting telescopic link II, telescopic link II lifting push rod I, push rod I extrudeed the trapezoidal plate in the motion process, and the trapezoidal plate is to both sides separately, and the trapezoidal plate drives the locking strip to both sides separately to reach the purpose of unblock locking post, make the synchronous unblock of display screen and take out smoothly.
Preferably, the pushing device comprises a second push rod and a triangular seat, the second push rod is fixed in the middle of the front face of the first push rod, when the first push rod moves, the first push rod drives the second push rod to move forwards and upwards, the triangular seat is fixed on the back of the back plate, the back plate is located on the second movement track of the push rod, the second push rod extrudes and pushes the triangular seat upwards, the triangular seat drives the back plate to move forwards, and the back plate drives the display screen to move forwards, so that the purpose of pushing the display screen out is achieved, an operator can conveniently take the display screen away, and the purpose of convenient dismantling is achieved.
Preferably, the ejecting device further comprises a slider and a buckle, the slider is slidably mounted on the front face of the lower support plate, the buckle is slidably mounted on the back face of the back plate, the back plate is connected in the slider in a clamping mode through the buckle, the back plate can be hung on the front face of the lower support plate when being ejected out of the mounting position, an operator is prevented from holding the ejecting time of the display screen when the operator is detached, the display screen is caused to fall down and break, and the fault tolerance of the operator is increased.
Preferably, the locking device that takes off includes socket, plug, little horizontal bar and L shape piece, the socket is fixed in backplate back bottom, plug slidable mounting is at socket inner wall, before the concatenation display screen, needs to connect the power signal line, inserts the socket with the plug, little horizontal bar is fixed in the socket bottom surface, little horizontal bar bottom is the chamfer, L shape piece is fixed in the plug bottom surface, L shape piece upper surface has been seted up and has been fallen the triangle notch, and little horizontal bar bottom can block into the triangle notch that falls of L shape piece upper surface in to reach the purpose of locking socket and plug, prevent that the plug from taking off in the use.
Preferably, the anti-loosening device further comprises a connecting rod, a supporting block and a sliding groove, wherein the top end of the connecting rod is fixed on two sides of the lower locking plate, when vibration occurs, the lower locking plate pushes the connecting rod, the top end of the supporting block is hinged to the bottom end of the connecting rod, the connecting rod pushes the supporting block, the sliding groove is fixed on the upper surface of the plug, the bottom end of the supporting block is slidably mounted on the inner wall of the sliding groove, the supporting block slides in the sliding groove, when the vibration amplitude is overlarge, the supporting block pushes the front surface of the inner wall of the sliding groove, and the sliding groove pushes the plug forwards, so that the purpose of reinforcing connection between the plug and the socket is achieved, the plug is prevented from being separated from the plug due to vibration, and a screen is prevented from being displayed when the plug is used.
The invention provides an explosion-proof and vibration-proof liquid crystal spliced screen. The beneficial effects are as follows:
(1) According to the invention, through the arrangement of the damping device, the support plate, the upper support plate, the lower support plate, the plugboard, the upper locking plate and the lower locking plate are matched, if vibration occurs, the plugboard moves upwards to squeeze the upper locking plate, and if the plugboard moves downwards to squeeze the lower locking plate, under the action of spring force, the force for relieving the up-down vibration is achieved, and the display screen is prevented from being damaged due to the vibration; the rectangular block is matched with the elastic piece, when left and right direction force appears, the inserting plate extrudes the elastic piece, the elastic piece is extruded and contracted, the left and right direction force is slowed down and weakened through the elastic piece, the display screen is further prevented from being damaged due to vibration, and the display screen is safer.
(2) According to the invention, the locking device is arranged to enable the locking post, the thin strip and the locking strip to be matched, when the locking post is tightly attached to the backboard, the locking strip is rebounded and is far away from the thin strip under the action of spring force, and the triangular blocks on two sides of the locking post are buckled by the cutting groove on the inner side of the locking strip, so that the purpose of locking the display screen is achieved, and the display screen is prevented from falling off the support plate and being damaged in the use process; when the display screen needs to be taken down, the first push rod extrudes the trapezoid plate in the moving process, the trapezoid plate is separated to two sides, and the trapezoid plate drives the locking strips to be separated to two sides, so that the purpose of unlocking the locking column is achieved, and the display screen can be synchronously unlocked and taken out smoothly.
(3) According to the invention, through the arrangement of the pushing device, the second push rod is matched with the triangular seat, the triangular seat is pushed upwards by the push rod, the triangular seat drives the back plate to move forwards, and the back plate drives the display screen to move forwards, so that the purpose of pushing the display screen out is achieved, an operator can conveniently take away the display screen, and the purpose of convenient disassembly is achieved; make the slider with snap-fit, the backplate passes through the buckle joint in the slider for the backplate can hang in the back carrier plate openly down when being popped out the mounted position, prevents that operating personnel from holding the display screen release time when dismantling, thereby leads to the display screen to drop and break into pieces, has increased operating personnel fault-tolerant rate.
(4) According to the invention, through the arrangement of the anti-loosening device, the socket, the plug, the small cross bar and the L-shaped block are matched, and the bottom of the small cross bar is clamped into the inverted triangle notch on the upper surface of the L-shaped block, so that the purpose of locking the socket and the plug is achieved, and the plug is prevented from loosening in the use process; make connecting rod, prop up piece and spout cooperation, prop up the piece and slide in the spout, when vibrations range is too big, prop up the piece and push up the spout inner wall openly, the spout pushes up the plug forward to reach the purpose of strengthening plug and socket connection, prevent that the plug from breaking away from the plug because vibrations, prevent to show when using and hold the screen and stop.
Drawings
FIG. 1 is a schematic front view of the overall invention;
FIG. 2 is a schematic rear view of the entire present invention;
FIG. 3 is a schematic view of a shock absorbing device according to the present invention;
FIG. 4 is a schematic view of a portion of a shock absorbing device according to the present invention;
FIG. 5 is a schematic view of a locking device of the present invention;
FIG. 6 is a schematic diagram of an ejector device of the present invention;
FIG. 7 is a partial schematic view of an ejector of the present invention;
FIG. 8 is a partial schematic view of the anti-loosening device of the present invention;
fig. 9 is a schematic view of the anti-loosening device of the present invention.
In the figure: 11. a display screen; 12. a back plate; 2. a damping device; 3. a locking device; 4. an ejector; 5. an anti-loosening device; 21. a support plate; 22. an upper carrier plate; 23. a lower carrier plate; 24. inserting plate; 25. rectangular blocks; 26. a spring plate; 27. a locking plate is arranged; 28. a lower lock plate; 31. locking the column; 32. a thin strip; 33. a locking bar; 34. a trapezoidal plate; 35. a first telescopic rod; 36. a second telescopic rod; 37. a push rod I; 38. a special-shaped pull rod; 39. a transverse block; 41. a second push rod; 42. a triangular base; 43. a slide fastener; 44. a buckle; 51. a socket; 52. a plug; 53. a small cross bar; 54. an L-shaped block; 55. a connecting rod; 56. a support block; 57. and a sliding groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Example 1
Referring to fig. 1-5, the present embodiment provides a technical solution: an explosion-proof and vibration-proof liquid crystal spliced screen comprises a display screen 11, wherein a back plate 12 is fixed on the back surface of the display screen 11, and a damping device 2, a locking device 3, a push-out device 4 and an anti-loosening device 5 are arranged on the back surface of the back plate 12; the damping device 2 comprises a support plate 21, an upper support plate 22, a lower support plate 23, a plugboard 24, an upper locking plate 27 and a lower locking plate 28, wherein the support plate 21 is arranged on the back of the back plate 12, the upper support plate 22 is fixed on the upper front portion of the support plate 21, the lower support plate 23 is fixed on the lower front portion of the support plate 21, the plugboard 24 is fixed on the back of the back plate 12, the upper locking plate 27 is fixed on the bottom surface of the upper support plate 22 through springs, the lower locking plate 28 is fixed on the top surface of the lower support plate 23 through springs, the plugboard 24 is inserted between the upper locking plate 27 and the lower locking plate 28, if vibration occurs, the plugboard 24 moves upwards when vertical force occurs, the upper locking plate 27 is extruded, the upper locking plate 27 moves upwards to the support plate 22 under the action of the spring force, the upward force of the upper locking plate 27 is attenuated, the lower locking plate 28 is extruded downwards to move downwards the support plate 23 when the plugboard 24 moves downwards, the downward force of the lower locking plate 28 is attenuated under the action of the spring force, and accordingly the up-down vibration force is reduced, and the display screen 11 is prevented from being damaged.
The damping device 2 further comprises a rectangular block 25 and an elastic sheet 26, wherein the rectangular block 25 is fixed on two sides of the front surface of the support plate 21, one end of the elastic sheet 26 is fixed on the inner side of the rectangular block 25, the other end of the elastic sheet 26 is slidably mounted on the front surface of the support plate 21, the elastic sheet 26 is located on the motion track of the inserting plate 24, when left and right force occurs, the inserting plate 24 extrudes the elastic sheet 26, the elastic sheet 26 is extruded and contracted, the left and right force is relieved and weakened through the elastic sheet 26, and the display screen 11 is further prevented from being damaged due to vibration, so that the display screen 11 is safer.
The locking device 3 comprises a locking column 31, thin strips 32 and locking strips 33, wherein the locking column 31 is fixed on the front face of the upper bearing plate 22, triangular blocks are fixed on two sides of the locking column 31, the thin strips 32 are fixed on the back face of the back plate 12, the locking strips 33 are slidably mounted on the back face of the back plate 12, after the plug board 24 is pushed in, the locking column 31 extrudes the locking strips 33, the locking strips 33 move to two sides and are close to the thin strips 32, springs are arranged between the thin strips 32 and the locking strips 33, grooves for clamping the triangular blocks on two sides of the locking column 31 are formed in the inner sides of the locking strips 33, after the locking column 31 is tightly attached to the back plate 12, the locking strips 33 are rebounded and are far away from the thin strips 32 under the action of spring force, the triangular blocks on two sides of the locking column 31 are buckled and dead, and therefore the purpose of locking the display screen 11 is achieved, the display screen 11 is prevented from being separated from the support plate 21 in the use process, and the display screen 11 is prevented from falling and damaged.
The locking device 3 further comprises a trapezoid plate 34, a first telescopic rod 35, a second telescopic rod 36, a first push rod 37, a special-shaped pull rod 38 and a transverse block 39, wherein the first telescopic rod 35 is fixed on the upper surface of the upper support plate 22, when the display screen 11 needs to be removed, the first telescopic rod 35 is started, the top end of the special-shaped pull rod 38 is fixed at the telescopic end of the first telescopic rod 35, the first telescopic rod 35 lifts the special-shaped pull rod 38, the transverse block 39 is positioned on the motion track of the bottom end of the special-shaped pull rod 38, the special-shaped pull rod 38 lifts the transverse block 39, and the transverse block 39 lifts the upper lock plate 27, so that the upper lock plate 27 is not matched with the lower lock plate 28 to squeeze the plugboard 24, and the plugboard 24 cannot receive friction resistance in the taking-out process; the telescopic link two 36 is fixed on the front of special-shaped pull rod 38 top, simultaneously, start telescopic link two 36, push rod one 37 is fixed at telescopic link two 36 flexible ends, telescopic link two 36 promotes push rod one 37, trapezoidal plate 34 is fixed in the locking strip 33 inboard, trapezoidal plate 34 is located push rod one 37 motion track, push rod one 37 reaches the unblock position, when telescopic link one 35 promotes special-shaped pull rod 38, special-shaped pull rod 38 lifting telescopic link two 36, telescopic link two 36 lifting push rod one 37, push rod one 37 extrudes trapezoidal plate 34 in the motion process, trapezoidal plate 34 separates to both sides, trapezoidal plate 34 drives locking strip 33 to both sides and separates to reach the mesh of unblock locking post 31, make the synchronous unblock of display screen 11 and can take out smoothly.
When the display screen 11 is used, the plugboard 24 is inserted between the upper lock plate 27 and the lower lock plate 28, if vibration occurs, when the upward and downward force occurs, the plugboard 24 moves upwards to press the upper lock plate 27, the upper lock plate 27 moves upwards to support the plate 22, the upward force of the upper lock plate 27 is relieved and weakened under the action of the spring force, when the plugboard 24 moves downwards to press the lower lock plate 28, the lower lock plate 28 moves downwards to support the plate 23, and the downward force of the lower lock plate 28 is relieved and weakened under the action of the spring force, so that the upward and downward vibration relieving force is achieved, and the display screen 11 is prevented from being damaged due to vibration; meanwhile, when the left-right force occurs, the plugboard 24 extrudes the elastic sheet 26, the elastic sheet 26 is extruded and contracted, the left-right force is slowed down and weakened through the elastic sheet 26, and the display screen 11 is further prevented from being damaged due to vibration, so that the display screen 11 is safer.
When the plugboard 24 is pushed in, the locking column 31 presses the locking strips 33, the locking strips 33 move to two sides and are close to the thin strips 32, when the locking column 31 is tightly attached to the back plate 12, the locking strips 33 are rebounded and are far away from the thin strips 32 under the action of spring force, and the triangular blocks on two sides of the locking column 31 are locked by the cutting grooves on the inner side of the locking strips 33, so that the purpose of locking the display screen 11 is achieved, and the display screen 11 is prevented from falling off the support plate 21 in the use process, so that the display screen 11 is prevented from being damaged; when the display screen 11 needs to be taken down, the first telescopic rod 35 is started, the first telescopic rod 35 lifts the special-shaped pull rod 38, the special-shaped pull rod 38 lifts the transverse block 39, and the transverse block 39 lifts the upper lock plate 27, so that the upper lock plate 27 and the lower lock plate 28 are not matched to squeeze the plugboard 24 any more, and the plugboard 24 is not subjected to friction resistance in the taking-out process; simultaneously, start telescopic link two 36, telescopic link two 36 promote push rod one 37, and push rod one 37 reaches the unblock position, and when telescopic link one 35 promoted special-shaped pull rod 38, special-shaped pull rod 38 lifting telescopic link two 36, telescopic link two 36 lifting push rod one 37, push rod one 37 extrudeed trapezoidal plate 34 in the motion in-process, trapezoidal plate 34 to both sides separation, trapezoidal plate 34 drive locking strip 33 to both sides separation to reach the mesh of unblock locking post 31, make the synchronous unblock of display screen 11 and can take out smoothly.
Example two
Referring to fig. 1 to 9, based on the first embodiment, the present embodiment further includes an ejector 4 and a locking device 5.
The pushing device 4 comprises a second push rod 41 and a triangular seat 42, the second push rod 41 is fixed in the middle of the front face of the first push rod 37, when the first push rod 37 moves, the first push rod 37 drives the second push rod 41 to move forwards and upwards, the triangular seat 42 is fixed on the back face of the back plate 12, the back plate 12 is located on the movement track of the second push rod 41, the second push rod 41 extrudes and pushes the triangular seat 42 upwards, the triangular seat 42 drives the back plate 12 to move forwards, the back plate 12 drives the display screen 11 to move forwards, and therefore the purpose of pushing the display screen 11 out is achieved, an operator can conveniently take the display screen 11 away, and the purpose of convenient dismantling is achieved.
The ejecting device 4 further comprises a slide fastener 43 and a buckle 44, the slide fastener 43 is slidably mounted on the front surface of the lower support plate 23, the buckle 44 is slidably mounted on the back surface of the back plate 12, the back plate 12 is clamped in the slide fastener 43 through the buckle 44, the back plate 12 can be hung on the front surface of the lower support plate 23 when being ejected out of the mounting position, an operator is prevented from holding the ejecting time of the display screen 11 when detaching, the display screen 11 is caused to fall down and break, and the fault tolerance of the operator is increased.
The anti-loosening device 5 comprises a socket 51, a plug 52, a small transverse bar 53 and an L-shaped block 54, wherein the socket 51 is fixed at the bottom of the back surface of the back plate 12, the plug 52 is slidably mounted on the inner wall of the socket 51, before the display screen 11 is spliced, a power signal wire needs to be connected, the plug 52 is inserted into the socket 51, the small transverse bar 53 is fixed on the bottom surface of the socket 51, the bottom of the small transverse bar 53 is a bevel surface, the L-shaped block 54 is fixed on the bottom surface of the plug 52, an inverted triangle notch is formed in the upper surface of the L-shaped block 54, the bottom of the small transverse bar 53 is clamped into the inverted triangle notch in the upper surface of the L-shaped block 54, so that the purposes of locking the socket 51 and the plug 52 are achieved, and the plug 52 is prevented from loosening in the use process.
The anti-loosening device 5 further comprises a connecting rod 55, a supporting block 56 and a sliding groove 57, wherein the top end of the connecting rod 55 is fixed on two sides of the lower lock plate 28, when vibration occurs, the lower lock plate 28 pushes the connecting rod 55, the top end of the supporting block 56 is hinged to the bottom end of the connecting rod 55, the connecting rod 55 pushes the supporting block 56, the sliding groove 57 is fixed on the upper surface of the plug 52, the bottom end of the supporting block 56 is slidably arranged on the inner wall of the sliding groove 57, the supporting block 56 slides in the sliding groove 57, when the vibration amplitude is overlarge, the supporting block 56 pushes against the front surface of the inner wall of the sliding groove 57, the sliding groove 57 pushes against the plug 52 forwards, so that the purpose of reinforcing the connection between the plug 52 and the socket 51 is achieved, the plug 52 is prevented from being separated from the plug 52 due to vibration, and the display screen 11 is prevented from being at rest when the use.
When the push rod I37 moves, the push rod I37 drives the push rod II 41 to move forwards and upwards, the push rod II 41 extrudes and pushes the triangular base 42 forwards, the triangular base 42 drives the back plate 12 to move forwards, and the back plate 12 drives the display screen 11 to move forwards, so that the purpose of pushing the display screen 11 out is achieved, an operator can conveniently take away the display screen 11, and the purpose of convenient disassembly is achieved; simultaneously, backplate 12 passes through buckle 44 joint in slider 43 for backplate 12 can hang in lower carrier plate 23 openly when being popped out the mounted position, prevents that operating personnel from holding display screen 11 release time when dismantling, thereby leads to display screen 11 to drop and break into pieces, has increased operating personnel fault-tolerant rate.
Before splicing the display screen 11, a power signal wire is required to be connected, the plug 52 is inserted into the socket 51, and meanwhile, the bottom of the small transverse bar 53 is clamped into an inverted triangle notch on the upper surface of the L-shaped block 54, so that the purposes of locking the socket 51 and the plug 52 are achieved, and the plug 52 is prevented from loosening in the use process; when vibration occurs, the lower lock plate 28 pushes the connecting rod 55, the connecting rod 55 pushes the supporting block 56, the supporting block 56 slides in the sliding groove 57, when the vibration amplitude is overlarge, the supporting block 56 pushes against the front surface of the inner wall of the sliding groove 57, and the sliding groove 57 pushes the plug 52 forwards, so that the purpose of reinforcing the connection between the plug 52 and the socket 51 is achieved, the plug 52 is prevented from being separated from the plug 52 due to vibration, and the display screen 11 is prevented from being closed when the display screen is used.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (2)
1. The utility model provides an explosion-proof shockproof liquid crystal concatenation screen, includes display screen (11), display screen (11) back is fixed with backplate (12), its characterized in that: the back of the back plate (12) is provided with a damping device (2), a locking device (3), an ejecting device (4) and an anti-loosening device (5); the damping device (2) comprises a support plate (21), an upper support plate (22), a lower support plate (23), a plugboard (24), an upper locking plate (27) and a lower locking plate (28), wherein the support plate (21) is arranged on the back of the back plate (12), the upper support plate (22) is fixed on the upper front part of the support plate (21), the lower support plate (23) is fixed on the lower front part of the support plate (21), the plugboard (24) is fixed on the back of the back plate (12), the upper locking plate (27) is fixed on the bottom surface of the upper support plate (22) through a spring, and the lower locking plate (28) is fixed on the top surface of the lower support plate (23) through a spring;
the locking device (3) comprises a locking column (31), thin strips (32) and locking strips (33), wherein the locking column (31) is fixed on the front surface of an upper bearing plate (22), triangular blocks are fixed on two sides of the locking column (31), the thin strips (32) are fixed on the back surface of a back plate (12), the locking strips (33) are slidably arranged on the back surface of the back plate (12), springs are arranged between the thin strips (32) and the locking strips (33), and grooves for clamping the triangular blocks on two sides of the locking column (31) are formed in the inner sides of the locking strips (33);
the locking device (3) further comprises a trapezoid plate (34), a first telescopic rod (35), a second telescopic rod (36), a first push rod (37), a special-shaped pull rod (38) and a transverse block (39), wherein the first telescopic rod (35) is fixed on the upper surface of the upper supporting plate (22), the top end of the special-shaped pull rod (38) is fixed at the telescopic end of the first telescopic rod (35), the transverse block (39) is positioned on the motion track of the bottom end of the special-shaped pull rod (38), the second telescopic rod (36) is fixed on the front surface of the top end of the special-shaped pull rod (38), the first push rod (37) is fixed at the telescopic end of the second telescopic rod (36), the trapezoid plate (34) is fixed on the inner side of the locking strip (33), and the trapezoid plate (34) is positioned on the motion track of the first push rod (37);
the pushing device (4) comprises a second push rod (41) and a triangular seat (42), wherein the second push rod (41) is fixed in the middle of the front surface of the first push rod (37), the triangular seat (42) is fixed on the back surface of the back plate (12), and the back plate (12) is positioned on the movement track of the second push rod (41);
the pushing device (4) further comprises a slide fastener (43) and a buckle (44), the slide fastener (43) is slidably arranged on the front surface of the lower bearing plate (23), and the buckle (44) is slidably arranged on the back surface of the back plate (12);
the anti-loosening device (5) comprises a socket (51), a plug (52), a small cross bar (53) and an L-shaped block (54), wherein the socket (51) is fixed at the bottom of the back plate (12), the plug (52) is slidably arranged on the inner wall of the socket (51), the small cross bar (53) is fixed at the bottom of the socket (51), the bottom of the small cross bar (53) is a chamfer, the L-shaped block (54) is fixed at the bottom of the plug (52), and an inverted triangle notch is formed in the upper surface of the L-shaped block (54);
the anti-loosening device (5) further comprises a connecting rod (55), a supporting block (56) and a sliding groove (57), wherein the top end of the connecting rod (55) is fixed on two sides of the lower locking plate (28), the top end of the supporting block (56) is hinged to the bottom end of the connecting rod (55), the sliding groove (57) is fixed on the upper surface of the plug (52), and the bottom end of the supporting block (56) is slidably mounted on the inner wall of the sliding groove (57).
2. The explosion-proof and vibration-proof liquid crystal spliced screen according to claim 1, wherein: the damping device (2) further comprises a rectangular block (25) and elastic pieces (26), wherein the rectangular block (25) is fixed on two sides of the front face of the support plate (21), one end of each elastic piece (26) is fixed on the inner side of the rectangular block (25), the other end of each elastic piece (26) is slidably mounted on the front face of the support plate (21), and the elastic pieces (26) are located on the movement track of the insertion plate (24).
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| CN202311010624.7A CN116989217B (en) | 2023-08-11 | 2023-08-11 | Explosion-proof shockproof liquid crystal spliced screen |
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| CN202311010624.7A CN116989217B (en) | 2023-08-11 | 2023-08-11 | Explosion-proof shockproof liquid crystal spliced screen |
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