CN111562818A - Computer display screen that prevents dust - Google Patents
Computer display screen that prevents dust Download PDFInfo
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- CN111562818A CN111562818A CN202010418089.9A CN202010418089A CN111562818A CN 111562818 A CN111562818 A CN 111562818A CN 202010418089 A CN202010418089 A CN 202010418089A CN 111562818 A CN111562818 A CN 111562818A
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- fixedly connected
- screen
- dustproof
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- sliding
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B17/00—Methods preventing fouling
- B08B17/02—Preventing deposition of fouling or of dust
- B08B17/04—Preventing deposition of fouling or of dust by using removable coverings
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- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
The invention discloses a dustproof computer display screen which comprises a base, wherein the top of the base is fixedly connected with a supporting arm, and the front side of the top end of the supporting arm is fixedly connected with a screen. The present invention relates to the field of computer equipment. This computer dustproof display screen has realized folding fast of dustproof curtain and has received and restraint and spread flatly through transmission, utilize dustproof curtain to hide the screen surface, avoid falling and the static absorption is on the screen surface in the non-use in-process dust, influence the observation effect when the display screen uses, through spiral device cooperation transmission realize the swift control to the expansion of dustproof curtain and the degree of opening, expand and receive and restraint the piece, and compare and hide to cover in the direct screen surface and cup joint the curtain and accomodate the effect and want well, the curtain is difficult to drop and lose, also make things convenient for the display screen can keep good dustproof effect at the great operation environment of air current circulation. This has solved the unsatisfactory problem of current computer display screen dustproof effect.
Description
Technical Field
The invention relates to the field of computer equipment, in particular to a computer dustproof display screen.
Background
With the continuous progress of electronic technology, the birth of computers provides great convenience for the operation and work of human beings, greatly accelerates the work efficiency of people, and greatly improves the development rate of social productivity.
The prior patent (publication number: CN109841158A) discloses a dustproof LED display screen convenient for heat dissipation, which comprises a casing, wherein a support plate is arranged in the casing, and the lower surface of the support plate is fixedly connected with a motor body. The inventor finds that the following problems in the prior art are not solved in the process of realizing the scheme: 1. the equipment adopts hardware structures such as a filter plate and the like to cover the display screen, so that the normal use of the display screen is influenced, and the use effect is poor; 2. the device realizes the air exchange function through the fan, a large amount of dust can be brought in the air exchange process, and the dustproof effect is not ideal; 3. the structure of this equipment is complicated, and be unsuitable to use in many dirt environment, the protection effect to the screen is not good, adopt in the dustproof scheme of other screen protections that present in addition to drive two curtains of cover in the front of the screen at screw mechanism and splice each other and separate the dustproof protection that realizes the screen, but because the curtain generally is cotton spinning or cloth matter, consequently softer and absorb the dust easily, thereby can not make the screen obtain the protection of outside physical impact force and the curtain take place to pile up by separating to the both ends of screen when the screen needs the circular telegram work, influence aesthetic measure, and the self of cotton spinning or cloth matter also gathers the dust easily.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a computer dustproof display screen, which solves the problem that the dustproof effect of the existing computer display screen is not ideal.
In order to achieve the purpose, the invention is realized by the following technical scheme: a dustproof computer display screen comprises a base, wherein the top of the base is fixedly connected with a supporting arm, the front surface of the top end of the supporting arm is fixedly connected with a screen, the left side and the right side of the front surface of the screen are respectively movably connected with a dustproof screen cover, the top of the screen is fixedly connected with a transmission device which is fixedly connected with the dustproof curtain covers, the specification and the size of the two dustproof curtain covers are equal, the dustproof curtain covers are of a folding structure, the opposite ends of the two dustproof curtain covers are respectively and fixedly connected with the left side and the right side of the screen, the opposite ends of the two dustproof curtain covers are both fixedly connected with the transmission device, the dustproof curtain cover consists of a flexible film substrate and a plurality of vertical strip-shaped air bags which are arranged at equal intervals, wherein the air bags are arranged on the side, far away from the screen, of the flexible film substrate, and transverse air passages communicated with the air bags are arranged in the substrate;
the positive top of the base is fixedly connected with a wire coiling device, the wire coiling device is movably connected with the transmission device, the transmission device comprises four fixing plates, the number of the fixing plates is four, every two fixing plates are symmetrically arranged on the left side and the right side of the top of the screen in a group, the fixing plates are fixedly connected with the top of the screen, screw rods horizontally arranged are rotatably connected between the fixing plates on the left side and the right side, ball nuts are movably sleeved on the surfaces of the screw rods, the ball nuts are movably connected with the outermost fixing plates on the same side through tension springs, slide rods are fixedly connected with the bottom ends of the ball nuts, the side edges of the slide rods are fixedly connected with the dustproof screen cover, L-shaped slide blocks are fixedly connected with the bottom ends of the slide rods, the slide blocks and the slide rods are connected through rigid hard thin metal sheets, and the positive bottom end of the screen is provided with, the sliding block is connected in the track sliding chute in a sliding manner, two elastic rubber strips which are extruded mutually are arranged on a groove body of the track sliding chute, the metal sheet is inserted between the two elastic rubber strips, a vertical gas channel which is parallel to the axis of the sliding rod body is arranged in the sliding rod body, the gas channel is provided with a horizontal gas outlet which is communicated with the transverse gas channel, the contact part of the sliding block and the sliding rod with the track sliding chute is provided with an airtight auxiliary part, a communicating gas channel is arranged between the sliding block and the sliding rod, and gas inlet holes are arranged on the two sliding blocks and are close to the side parts of;
the middle part of the screw rod is fixedly sleeved with a reel, the reel is movably connected between the two fixing plates in the middle part, the surface of the reel is wound with a transmission rope, the left end and the right end of the screw rod are provided with threads with opposite spiral directions, and the lengths of the threads at the two ends of the screw rod are equal;
the winding device comprises two mounting plates, and the two mounting plates are vertically and mutually parallel and are fixedly connected to the top of the front surface of the base;
a containing sleeve is fixedly sleeved at the top of the mounting plate on the right side, a control rod is movably sleeved on the inner side of the containing sleeve, a pull ring is fixedly connected to the end head of the right end of the control rod, a limiting rib is fixedly connected to the side surface of the right end of the control rod, an elastic pawl is arranged on the side surface of the middle part of the control rod, the left end of the control rod penetrates through the mounting plate on the left side and extends to the left side of the mounting plate, a limiting plate is fixedly connected to the end head of the left end of the control rod, and the limiting plate is movably connected with the mounting;
the right side the left side fixedly connected with two carrier bars of fixed plate, two the carrier bar is about the axial lead of control lever becomes axial symmetry, two the surface activity of carrier bar has cup jointed the control cover, the one end of driving rope connects around the surface of control cover, the week side at control cover inner wall middle part be provided with elasticity pawl matched with ratchet, elasticity pawl and ratchet surface overlap joint, the left end fixedly connected with wind spring of control cover, the one end and the left side of wind spring the right side fixed surface of fixed plate is connected.
The number of the rolling nuts is two, the two ball nuts are respectively movably sleeved on threads formed at two ends of the screw rod, and the positions of the two ball nuts are axisymmetrical about a vertical central line on the front surface of the screen.
The right side of the inner wall of the containing sleeve is provided with a clamping groove matched with the limiting rib, and the limiting rib is movably inserted into the clamping groove.
The left end welding of carrier bar has the end piece, the annular has been seted up on the inner wall on accomodate cover right side, end piece sliding connection be in the annular.
Advantageous effects
The invention provides a dustproof computer display screen. Compared with the prior art, the method has the following beneficial effects:
(1) the curtain structure of a special design can realize dustproof and physical dual protection when realizing the concatenation, can also not occupation space after the separation, improves pleasing to the eye degree, and the difficult gathering dust of self simultaneously.
(2) This computer dustproof display screen has realized folding fast of dustproof curtain and has restrainted and spread flatly through transmission, utilizes dustproof curtain to hide the screen surface and cover, avoids falling and the static absorption on the screen surface in the dust in the non-use, influences the observation effect when the display screen uses.
(3) This computer dustproof display screen has realized the swift control to the expansion and the degree of opening of dustproof curtain through spiral device cooperation transmission, and this control mode is compared in directly covering to the screen surface and cup joints the curtain and accomodates effectually, and the curtain is difficult to drop and loses, also makes things convenient for the display screen can keep good dustproof effect at the great operation environment of air current circulation.
(4) This computer dustproof display screen hides the mode that covers through the curtain and realizes covering dustproof to what the screen, dustproof curtain itself also can with the effectual fish tail of avoiding the screen simultaneously, plays good protection effect to the screen surface, and the convenience is stored taking in of display screen, also can effectively avoid its surperficial damage of display screen in the transport transportation.
Drawings
FIG. 1 is a front view of the structure of the present invention;
fig. 2 is a front view of the wire winding device of the present invention;
fig. 3 is a front sectional view of the wire winding device of the present invention.
In the figure: 1. a base; 2. a support arm; 3. a screen; 4. a dust-proof curtain; 5. a transmission device; 501. a fixing plate; 502. a screw rod; 503. a ball nut; 504. a tension spring; 505. a slide bar; 506. a slider; 507. a track runner; 508. a reel; 509. a drive rope; 510. a steering groove; 511. a steering wheel; 6. a wire winding device; 601. mounting a plate; 602. a storage sleeve; 603. a control lever; 604. a pull ring; 605. limiting ribs; 606. an elastic pawl; 607. a limiting plate; 608. a return spring; 609. a carrier bar; 610. a control sleeve; 611. a ratchet; 612. a coil spring.
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.
Referring to fig. 1-3, a computer dustproof display screen comprises a base 1, wherein a supporting arm 2 is fixedly connected to the top of the base 1, a screen 3 is fixedly connected to the front of the top end of the supporting arm 2, a dustproof curtain cover 4 is movably connected to each of the left side and the right side of the front of the screen 3, a transmission device 5 is fixedly connected to the top of the screen 3, the transmission device 5 is fixedly connected to the dustproof curtain covers 4, the two dustproof curtain covers 4 are equal in specification and size, the dustproof curtain covers 4 are of a folding structure, the opposite ends of the two dustproof curtain covers 4 are respectively fixedly connected to the left side and the right side of the screen 3, the opposite ends of the two dustproof curtain covers 4 are fixedly connected to the transmission device 5, wherein the dustproof curtain covers 4 are composed of a flexible film substrate and a plurality of vertical strip-shaped air bags arranged at equal intervals, wherein the air bags are arranged on the side of the flexible film substrate far away, and a transverse air passage communicated with each air bag is arranged in the substrate;
the positive top fixedly connected with spiral device 6 of base 1, spiral device 6 with transmission 5 swing joint, transmission 5 includes fixed plate 501, the figure of fixed plate 501 is four, four every two of fixed plate 501 are a set of symmetry setting in the left and right sides at screen 3 top, fixed plate 501 and the top fixed connection of screen 3, the left and right sides swivelling joint has horizontal horizontally placed lead screw 502 between the fixed plate 501, ball nut 503 has been cup jointed in the surface activity of lead screw 502, ball nut 503 passes through extension spring 504 swing joint with its homonymy outermost between the fixed plate 501, the bottom fixedly connected with slide bar 505 of ball nut 503, the side of slide bar 505 with dust hood 4 fixed connection, the bottom fixedly connected with L-shaped slider 506 of slide bar 505, the sliding block 506 and the sliding rod 505 are connected by a rigid hard thin metal sheet, the bottom end of the front surface of the screen 3 is provided with a closed track sliding groove 507, the sliding block 506 is connected in the track sliding groove 507 in a sliding manner, two elastic rubber strips which are extruded mutually are arranged on a groove body of the track sliding groove 507, the metal sheet is inserted between the two elastic rubber strips, a vertical gas channel which is parallel to the axis of the sliding rod 505 is arranged in a rod body of the sliding rod 505, the gas channel is provided with a horizontal gas outlet which is communicated with the horizontal gas channel, gas-tight auxiliary parts are arranged at the contact positions of the sliding block 506 and the sliding rod 505 with the track sliding groove 507, a communicating gas channel is arranged between the sliding block 506 and the sliding rod 505, and gas inlet holes;
a winding wheel 508 is fixedly sleeved at the middle part of the screw rod 502, the winding wheel 508 is movably connected between the two fixing plates 501 at the middle part, a transmission rope 509 is wound on the surface of the winding wheel 508, threads with opposite spiral directions are arranged at the left end and the right end of the screw rod 502, and the thread lengths at the two ends of the screw rod 502 are equal;
the bottom end of the supporting arm 2 is provided with a steering groove 510, a steering wheel 511 is rotatably connected in the steering groove 510, one end of a driving rope 509 extends downwards to form a reel 508 and is wound on a part of the surface of the steering wheel 511, the winding device 6 comprises two mounting plates 601, and the two mounting plates 601 are vertically and mutually parallel and fixedly connected to the top of the front surface of the base 1;
a containing sleeve 602 is fixedly sleeved on the top of the mounting plate 601 on the right side, a control rod 603 is movably sleeved on the inner side of the containing sleeve 602, a pull ring 604 is fixedly connected to the end head of the right end of the control rod 603, a limiting rib 605 is fixedly connected to the side surface of the right end of the control rod 603, an elastic pawl 606 is arranged on the side surface of the middle part of the control rod 603, the left end of the control rod 603 penetrates through the mounting plate 601 on the left side and extends to the left side of the mounting plate, a limiting plate 607 is fixedly connected to the end head of the left end of the control rod 603, and the limiting plate 607 is movably connected with the mounting plate;
two bearing rods 609 are fixedly connected to the left side of the fixing plate 501 on the right side, the two bearing rods 609 are axisymmetric with respect to the axial lead of the control rod 603, a control sleeve 610 is movably sleeved on the outer surface of the two bearing rods 609, one end of a transmission rope 509 is wound on the outer surface of the control sleeve 610, ratchet teeth 611 matched with the elastic pawls 606 are arranged on the periphery of the middle part of the inner wall of the control sleeve 610, the elastic pawls 606 are in surface lap joint with the ratchet teeth 611, a coil spring 612 is fixedly connected to the left side of the control sleeve 610, and one end of the coil spring 612 is fixedly connected with the right side surface of the fixing plate 501 on the left side.
The number of the roll nuts is two, the two ball nuts 503 are respectively movably sleeved on the threads formed at the two ends of the screw rod 502, and the positions of the two ball nuts 503 are axisymmetrical with respect to the vertical center line of the front surface of the screen 3.
The right side of the inner wall of the storage sleeve 602 is provided with a clamping groove matched with the limiting rib 605, and the limiting rib 605 is movably inserted into the clamping groove.
The welding of the left end of carrier bar 609 has the end piece, the annular has been seted up on the inner wall on accomodate cover 602 right side, end piece sliding connection be in the annular.
In the invention, a transmission device 5 comprises fixing plates 501, the number of the fixing plates 501 is four, every two of the four fixing plates 501 are symmetrically arranged at the left side and the right side of the top of a screen 3 in a group, the fixing plates 501 are fixedly connected with the top of the screen 3, a transverse horizontally-arranged screw rod 502 is rotatably connected between the fixing plates 501 at the left side and the right side, the screw rod 502 penetrates through the two fixing plates 501 at the middle part, a bearing is fixedly sleeved at the inner side of the joint position, the inner ring of the bearing is fixedly sleeved on the surface of the screw rod 502, the outer ring of the bearing is embedded in the fixing plate 501 at the middle part, a ball nut 503 is movably sleeved on the surface of the screw rod 502, the ball nut 503 is movably connected with the fixing plate 501 at the outermost end at the same side through a tension spring 504, a slide bar 505 is fixedly connected at the bottom end, the bottom of the front surface of the screen 3 is provided with a track sliding groove 507, and the sliding block 506 is connected in the track sliding groove 507 in a sliding way. The screw diameter of the surface of the screw rod 502 is large enough, when the screw rod 502 rotates, the ball nut 503 can be driven to translate, and when the ball nut 503 translates, the screw rod 502 can also be driven to rotate.
In the invention, the number of the rolling nuts is two, the two ball nuts 503 are respectively movably sleeved on the threads arranged at the two ends of the screw rod 502, and the positions of the two ball nuts 503 are axisymmetric with respect to the vertical central line of the front surface of the screen 3. When the screw 502 rotates, the ball nuts 503 on both sides can generate a translational motion on the surface of the screw 502, and along with the difference of the rotation direction of the screw 502, the ball nuts 503 on both sides can translate towards or away from each other, and the dust-proof curtain cover 4 on the side of the slide bar 505 is moved to unfold or fold.
The cover 602 is accomodate to fixed the cup jointing in right side mounting panel 601 top, the inboard activity of accomodating cover 602 has cup jointed control lever 603, the end fixedly connected with pull ring 604 of control lever 603 right-hand member, the spacing rib 605 of side surface fixedly connected with of control lever 603 right-hand member, the side surface at control lever 603 middle part is provided with elasticity pawl 606, the left end of control lever 603 runs through left side mounting panel 601 and extends to its left side, the end fixedly connected with limiting plate 607 of control lever 603 left end, through reset spring 608 swing joint between limiting plate 607 and the left side mounting panel 601. Taking fig. 3 as an example, when the control rod 603 is horizontally pulled to the right, the integral right movement of the control rod 603 will cause the elastic pawl 606 to move from the inner side of the control sleeve 610 to the inner side of the receiving sleeve 602, so as to realize the separation between the elastic pawl 606 and the ratchet 611, so as to cause the elastic pawl 606 to have no restriction capability on the control sleeve 610, and the control sleeve 610 can rotate under the elastic potential energy of the coil spring 612 to pay off the transmission rope 509 wound on the surface of the control sleeve 610.
In the invention, the right side of the inner wall of the containing sleeve 602 is provided with a clamping groove matched with the limiting rib 605, and the limiting rib 605 is movably inserted in the clamping groove.
In the invention, an end piece is welded at the end head of the left side of the bearing rod 609, a ring groove is formed in the inner wall of the right side of the containing sleeve 602, and the end piece is connected in the ring groove in a sliding manner.
When the dustproof curtain cover is used, the dustproof curtain covers 4 on the two sides are in a folded state, the sliding rods 505 are arranged on the left side and the right side of the screen 3, and the sliding blocks 506 are arranged at the end positions of the two ends of the track sliding grooves 507. The resilient pawl 606 engages the ratchet teeth 611 and the resilient pawl 606 prevents the wire unwinding action of the control sleeve 610.
When the dust-proof curtain cover is required to be stored, a finger pulls the control sleeve 610 to rotate and winds and bundles the transmission rope 509 on the surface of the control sleeve 610, the elastic pawl 606 and the ratchet 611 realize the unidirectional rotation winding function of the control sleeve 610 and prevent the reverse rotation direction of the control sleeve 610, at the moment, the coil spring 612 accumulates elastic potential energy along with the rotation of the control sleeve 610, due to the winding effect of the transmission rope 509, the top end of the transmission rope 509 drives the reel 508 to rotate and pay off the line, and further drives the screw rod 502 to rotate, the screw rod 502 rotates to drive the ball nuts 503 at two ends to translate towards the vertical center line of the screen 3, the tension spring 504 accumulates elastic potential energy, and further drives the slide rod 505 to approach towards the vertical center line of the screen 3, the dust-proof curtain cover 4 is opened and covers and prevents dust on the surface of the screen 3, a good dust-proof effect is provided, in the opening process of the dust, the two sliding blocks 506 approach each other to compress and push the air in the track sliding groove 507 to enter the air inlet holes of the sliding blocks 506, and enter each air bag through the vertical air channel in the sliding rod 505, so that each air bag is gradually inflated along with the approach of the dust-proof curtain cover 4, the re-inflated air bag can realize good protection to the external physical impact force, and the air bags and the base material are not suitable for being stained with dust.
When the screen 3 is needed to be used, the pull ring 604 is pulled rightwards, the pull ring 604 drives the control rod 603 to translate rightwards, the elastic pawl 606 enters the containing sleeve 602 and is separated from the ratchet 611, the elastic pawl 606 no longer restrains the control sleeve 610, the control sleeve 610 rotates reversely under the driving of the elastic potential energy of the coil spring 612, meanwhile, the tension spring 504 pulls the ball nuts 503 on the two sides to separate, the screw rod 502 rotates reversely while the dust-proof curtain cover 4 is folded, the reel 508 is wound, the reset action is completed, in the process, the two dust-proof curtain covers 4 are separated from each other and slide in the nearly closed track sliding groove 507 through the two sliding blocks 506, the mutual separation of the two sliding blocks 506 generates negative pressure to the air in the track sliding groove 507 and extrudes the air in the air bag under the transverse extrusion of the sliding rod 505, and the air enters the track sliding groove 507 again through the vertical air channel in the sliding rod 505, each air bag is flattened along with the distance of the dustproof curtain cover 4, and the flattened air bags and the flexible film substrate hardly occupy the volume after being folded and are not easy to be polluted by dust.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a computer display screen that prevents dust, includes base (1), its characterized in that: the dust-proof screen is characterized in that the top of the base (1) is fixedly connected with a supporting arm (2), the front of the top end of the supporting arm (2) is fixedly connected with a screen (3), the left side and the right side of the front of the screen (3) are respectively and movably connected with a dust-proof screen cover (4), the top of the screen (3) is fixedly connected with a transmission device (5), the transmission device (5) is fixedly connected with the dust-proof screen covers (4), the specification and the size of the two dust-proof screen covers (4) are equal, the dust-proof screen covers (4) are of a folding structure, the back-to-back ends of the two dust-proof screen covers (4) are respectively and fixedly connected with the left side and the right side of the screen (3), the opposite ends of the two dust-proof screen covers (4) are respectively and fixedly connected with the transmission device (5), wherein the dust-proof screen covers (4) are composed of a flexible film substrate and a plurality of, and a transverse air passage communicated with each air bag is arranged in the substrate;
the positive top fixedly connected with spiral device (6) of base (1), spiral device (6) with transmission (5) swing joint, transmission (5) include fixed plate (501), the figure of fixed plate (501) is four, four every two of fixed plate (501) are a set of symmetry setting in the left and right sides at screen (3) top, fixed plate (501) with the top fixed connection of screen (3), the left and right sides swivelling joint has lead screw (502) of horizontal level placing between fixed plate (501), ball nut (503) has been cup jointed in the surface activity of lead screw (502), through extension spring (504) swing joint between ball nut (503) and its homonymy outermost end fixed plate (501), the bottom fixedly connected with slide bar (505) of ball nut (503), the side edge of the sliding rod (505) is fixedly connected with the dustproof curtain cover (4), the bottom end of the sliding rod (505) is fixedly connected with an L-shaped sliding block (506), the sliding block (506) and the sliding rod (505) are connected by a rigid hard thin metal sheet, the bottom end of the front surface of the screen (3) is provided with a closed track sliding groove (507), the sliding block (506) is connected in the track sliding groove (507) in a sliding way, two mutually extruded elastic rubber strips are arranged on a groove body of the track sliding groove (507), the metal sheet is inserted between the two elastic rubber strips, a vertical gas channel parallel to the axis of the rod body of the sliding rod (505) is arranged in the rod body of the sliding rod (505), the gas channel is provided with a horizontal gas outlet communicated with the transverse gas channel, and an airtight auxiliary part is arranged at the contact part of the sliding block (506) and the sliding rod (505) and, a communicating air channel is arranged between the sliding blocks (506) and the sliding rod (505), and air inlet holes are arranged on the two sliding blocks (506) at the side parts which are close to each other;
a winding wheel (508) is fixedly sleeved in the middle of the screw rod (502), the winding wheel (508) is movably connected between the two fixing plates (501) in the middle, a transmission rope (509) is wound on the surface of the winding wheel (508), threads with opposite spiral directions are arranged at the left end and the right end of the screw rod (502), and the thread lengths at the two ends of the screw rod (502) are equal;
the bottom end of the supporting arm (2) is provided with a steering groove (510), a steering wheel (511) is rotatably connected in the steering groove (510), one end of a transmission rope (509) extends downwards to form a reel (508) and is wound on one part of the surface of the steering wheel (511), the winding device (6) comprises two mounting plates (601), and the two mounting plates (601) are vertically and mutually parallel and are fixedly connected to the top of the front surface of the base (1);
a containing sleeve (602) is fixedly sleeved at the top of the mounting plate (601) on the right side, a control rod (603) is movably sleeved on the inner side of the containing sleeve (602), a pull ring (604) is fixedly connected to the end head of the right end of the control rod (603), a limiting rib (605) is fixedly connected to the side surface of the right end of the control rod (603), an elastic pawl (606) is arranged on the side surface of the middle part of the control rod (603), the left end of the control rod (603) penetrates through the mounting plate (601) on the left side and extends to the left side of the mounting plate, a limiting plate (607) is fixedly connected to the end head of the left end of the control rod (603), and the limiting plate (607) is movably connected with the mounting plate (601);
the right side the left side fixedly connected with two carrier bars (609) of fixed plate (501), two carrier bar (609) about the axial lead of control lever (603) becomes axisymmetric, two the surface activity cup joints control cover (610) of carrier bar (609), the one end of driving rope (509) is around connecing the surface of control cover (610), the week side at control cover (610) inner wall middle part be provided with elasticity pawl (606) matched with ratchet (611), elasticity pawl (606) and ratchet (611) surface overlap joint, the left end fixedly connected with coil spring (612) of control cover (610), the one end and the left side of coil spring (612) the right side fixed surface of fixed plate (501) is connected.
2. The dustproof computer display screen of claim 1, wherein: the number of the rolling nuts is two, the two ball nuts (503) are respectively movably sleeved on threads formed at two ends of the screw rod (502), and the positions of the two ball nuts (503) are axisymmetrical about a vertical center line on the front surface of the screen (3).
3. The dustproof computer display screen of claim 2, wherein: the right side of the inner wall of the containing sleeve (602) is provided with a clamping groove matched with the limiting rib (605), and the limiting rib (605) is movably inserted into the clamping groove.
4. The dustproof computer display screen according to claim 3, wherein: the welding of the left end of carrier bar (609) has the end piece, the annular has been seted up on the inner wall on accomodate cover (602) right side, end piece sliding connection be in the annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010418089.9A CN111562818A (en) | 2020-05-18 | 2020-05-18 | Computer display screen that prevents dust |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010418089.9A CN111562818A (en) | 2020-05-18 | 2020-05-18 | Computer display screen that prevents dust |
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| CN111562818A true CN111562818A (en) | 2020-08-21 |
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| CN202010418089.9A Withdrawn CN111562818A (en) | 2020-05-18 | 2020-05-18 | Computer display screen that prevents dust |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112387639A (en) * | 2020-11-05 | 2021-02-23 | 江苏昊视科技发展有限公司 | Multifunctional intelligent room selection system |
| CN113108180A (en) * | 2021-04-13 | 2021-07-13 | 王一丹 | Computer component for information communication |
| CN113775872A (en) * | 2021-09-03 | 2021-12-10 | 湖北大信博文网络科技有限公司 | Video playback device based on wisdom campus display terminal |
| CN114017649A (en) * | 2021-11-09 | 2022-02-08 | 深圳市华远高科科技有限公司 | Embedded display screen with pull safeguard function |
| CN114387881A (en) * | 2021-12-30 | 2022-04-22 | 华能国际电力股份有限公司上海石洞口第一电厂 | Engineering progress management method, device, equipment and medium |
| CN114489247A (en) * | 2021-12-31 | 2022-05-13 | 中国民用航空飞行学院 | Big data analysis is computing equipment for service convenient to installation |
| CN114531573A (en) * | 2022-02-18 | 2022-05-24 | 深圳市捷翔电子有限公司 | LCD monitor with dustproof mechanism |
| CN114822257A (en) * | 2022-05-05 | 2022-07-29 | 数峦云(杭州)科技有限公司 | Display device applied to digital twin visual interaction |
-
2020
- 2020-05-18 CN CN202010418089.9A patent/CN111562818A/en not_active Withdrawn
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112387639A (en) * | 2020-11-05 | 2021-02-23 | 江苏昊视科技发展有限公司 | Multifunctional intelligent room selection system |
| CN113108180A (en) * | 2021-04-13 | 2021-07-13 | 王一丹 | Computer component for information communication |
| CN113775872A (en) * | 2021-09-03 | 2021-12-10 | 湖北大信博文网络科技有限公司 | Video playback device based on wisdom campus display terminal |
| CN114017649A (en) * | 2021-11-09 | 2022-02-08 | 深圳市华远高科科技有限公司 | Embedded display screen with pull safeguard function |
| CN114387881A (en) * | 2021-12-30 | 2022-04-22 | 华能国际电力股份有限公司上海石洞口第一电厂 | Engineering progress management method, device, equipment and medium |
| CN114489247A (en) * | 2021-12-31 | 2022-05-13 | 中国民用航空飞行学院 | Big data analysis is computing equipment for service convenient to installation |
| CN114489247B (en) * | 2021-12-31 | 2023-07-21 | 中国民用航空飞行学院 | Big data analysis is computing equipment for service convenient to installation |
| CN114531573A (en) * | 2022-02-18 | 2022-05-24 | 深圳市捷翔电子有限公司 | LCD monitor with dustproof mechanism |
| CN114531573B (en) * | 2022-02-18 | 2024-06-07 | 深圳市捷翔电子有限公司 | LCD monitor with dustproof mechanism |
| CN114822257A (en) * | 2022-05-05 | 2022-07-29 | 数峦云(杭州)科技有限公司 | Display device applied to digital twin visual interaction |
| CN114822257B (en) * | 2022-05-05 | 2024-06-21 | 数峦云(杭州)科技有限公司 | Display device applied to digital twin visual interaction |
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Application publication date: 20200821 |
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