CN111899656A - Front maintenance tool suitable for different splicing angles - Google Patents
Front maintenance tool suitable for different splicing angles Download PDFInfo
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- CN111899656A CN111899656A CN202010844743.2A CN202010844743A CN111899656A CN 111899656 A CN111899656 A CN 111899656A CN 202010844743 A CN202010844743 A CN 202010844743A CN 111899656 A CN111899656 A CN 111899656A
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- 238000012423 maintenance Methods 0.000 title claims abstract description 53
- 238000001179 sorption measurement Methods 0.000 claims description 17
- 238000003825 pressing Methods 0.000 claims description 12
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000007789 sealing Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
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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
- G09F9/33—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 semiconductor devices, e.g. diodes
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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
- G09F9/302—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 characterised by the form or geometrical disposition of the individual elements
- G09F9/3026—Video wall, i.e. stackable semiconductor matrix display modules
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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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
- H05K5/0234—Feet; Stands; Pedestals, e.g. wheels for moving casing on floor
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The application relates to a front maintenance tool suitable for different splicing angles, which comprises an air pump, a main support plate, two rotary connecting plates, a sucker unit and a pull rod assembly, wherein the air pump is communicated with the sucker unit; the sucking disc unit is fixedly connected with the pull rod assembly and movably connected with the main supporting plate through the pull rod assembly, and the sucking disc unit can move relative to the main supporting plate; the two rotary connecting plates are arranged at two ends of the main supporting plate and are rotatably connected with the main supporting plate; the rotary connecting plate is provided with at least one supporting leg, and the supporting leg and the sucker unit are located on the same side of the supporting plate. The LED display screen can be suitable for LED display screens with different splicing angles, and the compatibility is good; simultaneously, can avoid colliding with adjacent LED display module assembly when maintaining, the security is high.
Description
Technical Field
The application relates to the maintenance field of LED display screens, in particular to a front maintenance tool suitable for different splicing angles.
Background
With the continuous development of LED display technology, especially the continuous progress of technologies such as small pitch and HDR, high resolution and small pitch LED display screens are becoming more and more development trends. Generally, an LED display screen is formed by splicing a plurality of LED boxes. As the aesthetic requirements of display are gradually increased, various splicing forms, such as arc-shaped splicing, right-angle splicing or splicing at other angles, are developed besides the simple rectangular plane shape.
At present, in order to facilitate the front maintenance of the LED display screen, the LED display module and the frame are mostly fixed in a magnetic adsorption mode. The existing front maintenance tool, whether a maintenance tool with a magnet, an electric ejection device or an air pump, is designed and used mainly for a conventional flat LED display screen. When there are multiple concatenation angles in the LED box, current front maintenance instrument can not guarantee that the module can be pulled out perpendicularly, can not guarantee to dismantle the angle, collides with adjacent module very easily to damage LED lamp pearl. This problem is particularly evident when inner arc splicing is employed.
Disclosure of Invention
Based on this, it is necessary to be applicable to plane LED display screen only to current front maintenance instrument, when maintaining the LED display screen that has certain concatenation angle, has the problem that collides with adjacent module easily, damages concatenation department LED lamp pearl, provides the front maintenance instrument of a different concatenation angles of adaptation.
The embodiment of the application discloses a front maintenance tool suitable for different splicing angles, which comprises an air pump, a main support plate, two rotary connecting plates, a sucker unit and a pull rod assembly, wherein the air pump is communicated with the sucker unit; the sucking disc unit is fixedly connected with the pull rod assembly and movably connected with the main supporting plate through the pull rod assembly, and the sucking disc unit can move relative to the main supporting plate; the two rotary connecting plates are arranged at two ends of the main supporting plate and are rotatably connected with the main supporting plate; the rotary connecting plate is provided with at least one supporting leg, and the supporting leg and the sucker unit are located on the same side of the supporting plate.
In some embodiments, the air pump is fixedly connected with the suction cup unit and is communicated with the suction cup unit; the main supporting plate is provided with a first accommodating through hole corresponding to the air pump, and the air pump penetrates through the first accommodating through hole.
In some embodiments, the sucker unit comprises a supporting bottom plate and an adsorption layer, wherein the supporting bottom plate and the adsorption layer are arranged in a stacked mode and provided with an air cavity; the air pump is communicated with the air cavity through the vent hole.
In some embodiments, the suction cup unit further includes a clamping plate fixedly connected to the supporting base plate, and the adsorption layer is clamped between the clamping plate and the supporting base plate.
In some embodiments, the supporting leg includes a supporting rod and a chassis, one end of the supporting rod is fixedly connected to the rotating connecting plate, and the other end of the supporting rod is connected to the chassis.
In some embodiments, the chassis is connected to the support rod by a universal ball joint structure.
In some embodiments, the ratchet wheel device further comprises a ratchet wheel head, a ratchet wheel connecting seat is arranged on the main supporting plate, and a ratchet wheel rotating seat is arranged on the rotating connecting plate; the ratchet head is provided with a connecting end and a main body end, the connecting end is fixedly connected with the ratchet connecting seat, and the main body end is rotatably connected with the ratchet rotating seat; the ratchet head has a locking state and an unlocking state, when the ratchet head is in the locking state, the ratchet head is fixedly connected with the ratchet wheel rotating seat, and the rotating connecting plate cannot rotate relative to the main supporting plate; when the ratchet head is in an unlocking state, the ratchet head is rotationally connected with the ratchet wheel rotating seat, and the rotating connecting plate can rotate relative to the main supporting plate.
In some embodiments, the pull rod assembly comprises a connecting rod, the main supporting plate is provided with a corresponding connecting through hole, and the connecting rod passes through the connecting through hole and is fixedly connected with the sucker unit.
In some embodiments, the pull rod assembly further includes a lever and a pressing rod, the main supporting plate is further provided with a lever supporting seat, the lever is rotatably connected with the lever supporting seat, and the pull rod and the pressing rod are respectively located at two opposite ends of the lever.
In some embodiments, the number of tie rod assemblies is 2, and the 2 tie rod assemblies are symmetrically arranged.
Through the rotation connecting plate with the supporting legs place, with rotate between the main tributary fagging and be connected, the rotation connecting plate can be according to LED display module's concatenation angle, the angle size between adjustment and the main tributary fagging, make the front maintenance instrument when keeping with LED display module stable contact, main tributary fagging and sucking disc unit can just to the LED display module who treats maintenance, especially the removal orbit of sucking disc unit after adsorbing LED display module, can keep the LED display module that treats maintenance of perpendicular to, and can not be partial to adjacent LED display module, can avoid colliding with adjacent LED display module when maintaining, reduce the damage risk of LED lamp pearl when maintaining. The front maintenance tool provided by the embodiment of the application can be suitable for LED display screens with different splicing angles, and is good in compatibility; simultaneously, can avoid colliding with adjacent LED display module assembly when maintaining, the security is high.
Drawings
FIG. 1 is a schematic diagram of a front maintenance tool according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a front maintenance tool according to an embodiment of the present application in an exploded state;
FIG. 3 is a schematic view of a front maintenance tool according to an embodiment of the present application in an exploded view;
FIG. 4 is a schematic view of a front maintenance tool from another perspective according to an embodiment of the present application;
FIG. 5 is a schematic view of a front maintenance tool according to an embodiment of the present application from a front perspective;
FIG. 6 is a schematic structural diagram of a suction cup unit according to an embodiment of the present application;
FIG. 7 is a schematic view of the ratchet head of an embodiment of the present application;
FIG. 8 is a schematic view of an embodiment of a rotating link plate;
fig. 9 is a schematic diagram of a body of a front maintenance tool for maintaining an inner arc large-angle splicing LED display module according to an embodiment of the present application;
fig. 10 is a schematic diagram of a body of a front maintenance tool for maintaining an inner arc small-angle splicing LED display module according to an embodiment of the present application;
fig. 11 is a schematic diagram of a front maintenance tool for maintaining an outer arc split LED display module according to an embodiment of the present application.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 5, an embodiment of the present application discloses a front maintenance tool 10 adapted to different splicing angles, which includes an air pump 100, a main supporting plate 200, two rotating connecting plates 300, a suction cup unit 400 and a pull rod assembly 500, wherein the air pump 100 is communicated with the suction cup unit 400; the suction cup unit 400 is fixedly connected with the pull rod assembly 500 and movably connected with the main support plate 200 through the pull rod assembly 500, and the suction cup unit 400 can move relative to the main support plate 200; two rotary connecting plates 300 are arranged at two ends of the main supporting plate 200, and the rotary connecting plates 300 are rotatably connected with the main supporting plate 200; the rotation connection plate 300 is provided with at least one support leg 310, and the support leg 310 and the suction cup unit 400 are located on the same side of the support plate 200.
As shown in fig. 9 to 11, when the LED display module 20 is maintained using the front maintenance tool 10, the main support plate 200 and the suction cup unit 400 are facing the LED display module 20 to be maintained. The supporting legs 310 of the rotating connection plates 300 at both ends correspond to and abut against the adjacent LED display modules 20, thereby providing support for the main supporting plate 200. The pull rod assembly 500 is pressed downwards, so that the suction cup unit 400 moves downwards, and the suction cup unit 400 approaches and sucks the LED display module 20 to be maintained (i.e. the LED display module located in the middle). Then, the pull rod assembly 500 is pulled upwards to drive the suction cup unit 400 to move upwards together, so that the LED display module 20 is separated from the frame, and the LED display module 20 to be maintained is taken out.
Fig. 9-11 show state diagrams of the maintenance of the LED display module 20 using the front maintenance tool 10 provided in the embodiment of the present application at different splicing angles. Therefore, no matter inner arc splicing or outer arc splicing is adopted, and no matter the splicing angle is large, the front maintenance tool provided by the embodiment of the application can be used for maintenance.
Through the rotation connecting plate 300 with supporting legs 310 place, with rotate between the main tributary fagging 200 and be connected, rotation connecting plate 300 can be according to the concatenation angle of LED display module assembly 20, the angle size between adjustment and the main tributary fagging 200, make the front maintenance instrument when keeping with LED display module stable contact, main tributary fagging 200 and sucking disc unit 400 can be just treating the LED display module assembly of maintaining, especially sucking disc unit 400 is adsorbing the removal orbit behind LED display module assembly 20, can keep the LED display module assembly of treating maintenance of perpendicular to, and can not be partial to adjacent LED display module assembly, can avoid colliding with adjacent LED display module assembly when maintaining, the damage risk of LED lamp pearl when reducing the maintenance. The front maintenance tool provided by the embodiment of the application can be suitable for LED display screens with different splicing angles, and is good in compatibility; simultaneously, can avoid colliding with adjacent LED display module assembly when maintaining, the security is high.
The air pump 100 may communicate with the suction cup unit 400 through an air tube. At this time, the air pump 100 may be fixedly coupled to the main support plate 200 or may be separated from the main support plate 200.
In some embodiments, as shown in fig. 1-3, the air pump 100 may be fixedly connected to the suction cup unit 400 and in communication with the suction cup unit 400. The main support plate 200 may be provided with a first receiving through hole 200a corresponding to the air pump 100, and the air pump 100 is disposed through the first receiving through hole 200 a. The air pump 100 and the suction cup unit 400 may be disposed corresponding to the center of the main support plate 200 by providing the first receiving through-hole 200a at the center of the main support plate 200. The air pump 100 can be directly fixedly connected with the suction cup unit 400, so that the use of air pipes can be reduced, the structure of the front maintenance tool is more compact, and the carrying and the operation are convenient.
As shown in fig. 2, 3 and 6, the suction cup unit 400 may include a supporting base plate 410 and an adsorption layer 430, wherein the supporting base plate 410 and the adsorption layer 430 are stacked and provided with an air cavity; the support base plate 410 is provided with a vent hole, and the air pump 100 is communicated with the air chamber through the vent hole on the support base plate 410. During use, the adsorption layer 430 is tightly attached to the LED display module 20 to be maintained, the air cavity is limited by the LED display module to be maintained, the supporting bottom plate 410 and the adsorption layer 430, and the air pump 100 extracts air in the air cavity to form negative pressure, so that the suction cup unit 400 can adsorb the LED display module to be maintained.
The adsorption layer 430 may be provided in a hollow ring shape, the support base plate 410 may be recessed to form a groove, and the groove of the support base plate 410 and the adsorption layer 430 are stacked together to form an air chamber communicating with the outside. The absorption layer 430 is mainly used for being closely attached to the LED display module 20 to be maintained when the suction cup unit 400 abuts against the LED display module 20 to be maintained. The adsorption layer 430 may be made of a material having good surface adhesiveness. Illustratively, the adsorption layer 430 may be a silicone pad.
In order to fix the adsorption layer on the support base plate 410, as shown in fig. 2, 3 and 6, the suction cup unit 400 may further include a clamping plate 440 fixedly connected to the support base plate 410, and the adsorption layer 420 is clamped between the clamping plate 440 and the support base plate 410. The clamping plate 440 may be made of any material with a certain strength, as long as it can provide a certain supporting strength and can be stably connected to the supporting base plate 410.
For example, the clamping plate 440 may be a common plate material such as a plastic plate, a metal plate, a glass fiber plate, or the like.
Meanwhile, the size of the absorption layer 420 needs to be larger than that of the clamping plate 440, so that the absorption layer 420 can contact the LED display module 20 to be maintained.
Further, as shown in fig. 2, 3 and 6, the suction cup unit 400 may further include a sealing layer 450 disposed on the clamping plate 440 for increasing the sealing property between the suction cup unit 400 and the LED display module to be maintained. The sealing layer 450 may be made of sponge, foam, silica gel, plastic, or other common buffer sealing materials. When the LED display module is used, the sealing layer 450 is located between the clamping plate 440 and the LED display module to be maintained, and the sealing layer 450 is extruded to fill a gap between the clamping plate 440 and the LED display module to be maintained, so that air between the clamping plate 440 and the LED display module to be maintained can be reduced, and the sealing performance between the clamping plate 440 and the LED display module to be maintained is enhanced.
As shown in fig. 1, 4, 5 and 8, the supporting foot 310 may specifically include a supporting rod 315 and a chassis 311, one end of the supporting rod 315 is fixedly connected to the rotating connection plate 300, and the other end is provided with the chassis 311. For example, the support rod 315 may be provided with an external thread, and the rotary connection plate 300 is correspondingly provided with an internal thread hole, and the two are fixedly connected through a threaded connection.
In order to avoid the damage of the supporting legs 310 to the LED display module, the chassis 311 may be made of a buffer material such as rubber, silica gel, and plastic.
At least one support foot 310 is provided on each rotation connection plate 300. Illustratively, the rotation connecting plate 300 is provided with a supporting foot 310, and the supporting foot 310 may be located at the center of the rotation connecting plate 300. Illustratively, as shown in fig. 1, each rotation connecting plate 300 is provided with two supporting feet 310, and the supporting feet 310 are symmetrically arranged on the rotation connecting plate 300. It is understood that the number of the supporting feet 310 on the rotation connecting plate 300 can also be more, such as 3, 4, etc., and the specific number is determined according to actual needs.
It is understood that the number of the supporting legs 310 on the rotation connecting plates 300 at both ends may be the same or different, as long as the front maintenance tool 10 can be stably contacted with the LED display module. For example, only 1 support foot 310 may be provided on the rotation connection plate 300 at one end, and 2 support feet 310 may be provided on the rotation connection plate 300 at the other end.
In order to facilitate the attachment of the chassis 311 to the LED display module, the contact area and the contact stability between the chassis 311 and the LED display module are enhanced, and the chassis 311 may be connected to the support rod 315 through a universal ball hinge structure. For example, the supporting rod 315 may be a ball screw, and the chassis 311 and the supporting rod 315 form a universal ball joint structure. So, no matter what kind of contained angle relation is between rotation connecting plate 300, bracing piece 315 and the LED display module assembly, chassis 311 can all just to the LED display module assembly to fine laminating strengthens the steadiness of supporting legs 310 butt when on the LED display module assembly.
As shown in fig. 1-3 and 7-8, the front maintenance tool 10 may further include a ratchet head 900, the main supporting plate 200 is provided with a ratchet connecting seat 210, and the rotating connecting plate 300 is provided with a ratchet rotating seat 320; the ratchet head 900 has a connecting end 920 and a main body end 910, the connecting end 920 is fixedly connected with the ratchet connecting seat 210, and the main body end 910 is rotatably connected with the ratchet rotating seat 320; the ratchet head 900 has a locking state and an unlocking state, when the ratchet head 900 is in the locking state, the ratchet head 900 is fixedly connected with the ratchet rotating seat 320, and the rotating connecting plate 300 cannot rotate relative to the main supporting plate 200; when the ratchet head 900 is in the unlocked state, the ratchet head 900 is rotatably connected to the ratchet rotary base 320, and the rotary connection plate 300 can rotate relative to the main support plate 200.
In some embodiments, as shown in fig. 7-8, the body end 910 of the ratchet head 900 is provided with a connecting post 930 and a pull rod 901, the ratchet rotary base 320 is provided with a matching hole with a corresponding shape, the connecting post 930 is disposed in the matching hole of the ratchet rotary base 320, and the connecting post 930 can rotate relative to the body end 910; the lever 901 has different positions corresponding to a locked state, a clockwise rotation state, and a counterclockwise rotation state; when the pulling lever 901 is in the clockwise rotation state position, the connecting post 930 can rotate in the clockwise direction with respect to the body end 910; when the pulling lever 901 is in the counterclockwise rotated state position, the connecting post 930 can rotate in the counterclockwise direction with respect to the body end 910; when the lever 901 is in the locked state position, the angle of the connecting post 930 with respect to the body end 910 is locked. Through setting up ratchet head 900, can lock the angle between rotation connecting plate 300 and the main tributary fagging 200 for during the maintenance operation, the front maintenance instrument has good structural stability, avoids colliding with of adjacent LED display module assembly, promotes the security.
It is understood that the connecting post 930 may be a prism, and the mating holes are correspondingly prism-shaped mating holes. The connecting post 930 may also have other shapes, such as a triangular prism, a pentagonal prism, a cylinder with a cut-off arc, etc., as long as it is not a cylinder.
Illustratively, when the lever 901 is in a horizontal neutral position, i.e., in a locked position, the connecting post 930 cannot rotate. When the pulling rod 901 is located at an upper position, i.e. in a counterclockwise rotation state, the connecting column 930 can rotate counterclockwise, so as to drive the rotating connecting plate 300 to rotate upward. When the pulling rod 901 is located at a downward position, i.e. in a clockwise rotation state, the connecting column 930 can rotate clockwise, so as to drive the rotating connecting plate 300 to rotate downward.
It is understood that the lever 901 can have only a locked state and an unlocked state, in which the connecting rod 930 is selectively rotated clockwise or counterclockwise according to the actual requirement.
As shown in fig. 1 to 3, the lever assembly 500 may include a connecting rod 510, the main support plate 200 is provided with a corresponding connecting through hole 200b, and the connecting rod 510 passes through the connecting through hole 200b and is fixedly connected to the suction cup unit 400. By pulling the connecting rod 510, the suction cup unit 400 can be pulled to move up and down relative to the main support plate 200.
In order to facilitate the pulling of the sucker unit 400, as shown in fig. 1-3, the pulling rod assembly 500 may further include a lever 520 and a pressing rod 530, the main supporting plate 200 is further provided with a lever supporting seat 220, the lever 520 is rotatably connected to the lever supporting seat 220, and the pulling rod 510 and the pressing rod 530 are respectively located at two opposite ends of the lever 520. In this way, a lever structure can be formed, reducing the force required to pull the suction cup unit 400.
In order to apply force to the pressing rod 530, as shown in fig. 1-3, a hand-held fitting groove 200c is further formed on the main support plate 200, and the hand-held fitting groove 200c is formed corresponding to the pressing rod 530. When the suction cup unit 400 adsorbs the LED display module 20 to be maintained, the user's hand can hold the pressing rod 530 and the handheld engaging groove 200c at the same time, and by applying pressure to the pressing rod 530 and the handheld engaging groove 200c, the pressing rod 530 can be moved downward, and the suction cup unit 400 is driven to move upward.
As shown in fig. 1-3, the front maintenance tool 10 may be provided with 2 tie rod assemblies 500, with 2 tie rod assemblies 500 being symmetrically arranged. Accordingly, the main support plate 200 is also provided with two corresponding hand-held mating slots 200 c. As such, the user operates the lever assembly 500 with both hands simultaneously.
In some embodiments, as shown in fig. 1-5, the front maintenance tool 10 may further include a guide rod 700, and the main support plate 200 is correspondingly provided with a guide fitting hole; one end of the guide bar 700 is fixedly connected with the suction cup unit 400, and the movable end of the guide bar 700 passes through the guide fitting hole and is slidably connected with the main support plate 200. Through setting up guide bar 700, can lead to the removal orbit of sucker unit 400, collide with adjacent LED display module assembly when avoiding maintaining.
Further, as shown in fig. 1-5, the front maintenance tool 10 may further include a stop washer 710 disposed on the movable end of the guide bar 700. In this way, the guide bar 700 can be prevented from slipping out of the main support plate 200.
The front maintenance tool provided by the embodiment of the application can be suitable for LED display screens with different splicing angles, and is good in compatibility; simultaneously, can avoid colliding with adjacent LED display module assembly when maintaining, the security is high.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A front maintenance tool suitable for different splicing angles is characterized by comprising an air pump, a main support plate, two rotary connecting plates, a sucker unit and a pull rod assembly, wherein the air pump is communicated with the sucker unit; the sucking disc unit is fixedly connected with the pull rod assembly and movably connected with the main supporting plate through the pull rod assembly, and the sucking disc unit can move relative to the main supporting plate; the two rotary connecting plates are arranged at two ends of the main supporting plate and are rotatably connected with the main supporting plate; the rotary connecting plate is provided with at least one supporting leg, and the supporting leg and the sucker unit are located on the same side of the supporting plate.
2. The front maintenance tool of claim 1, wherein the air pump is fixedly connected to the suction cup unit and is in communication with the suction cup unit; the main supporting plate is provided with a first accommodating through hole corresponding to the air pump, and the air pump penetrates through the first accommodating through hole.
3. The front maintenance tool according to claim 1, wherein the suction cup unit includes a support base plate, an adsorption layer, the support base plate, the adsorption layer being stacked and provided with an air chamber; the air pump is communicated with the air cavity through the vent hole.
4. The front maintenance tool of claim 3, wherein the suction cup unit further comprises a clamping plate fixedly connected with the supporting base plate, and the adsorption layer is clamped between the clamping plate and the supporting base plate.
5. The front maintenance tool of claim 1, wherein the support foot comprises a support rod and a chassis, one end of the support rod is fixedly connected with the rotating connection plate, and the other end of the support rod is connected with the chassis.
6. The front maintenance tool of claim 5, wherein the chassis is connected to the support bar by a universal ball joint arrangement.
7. The front maintenance tool according to any one of claims 1 to 6, further comprising a ratchet head, wherein a ratchet connecting seat is arranged on the main supporting plate, and a ratchet rotating seat is arranged on the rotating connecting plate; the ratchet head is provided with a connecting end and a main body end, the connecting end is fixedly connected with the ratchet connecting seat, and the main body end is rotatably connected with the ratchet rotating seat; the ratchet head has a locking state and an unlocking state, when the ratchet head is in the locking state, the ratchet head is fixedly connected with the ratchet wheel rotating seat, and the rotating connecting plate cannot rotate relative to the main supporting plate; when the ratchet head is in an unlocking state, the ratchet head is rotationally connected with the ratchet wheel rotating seat, and the rotating connecting plate can rotate relative to the main supporting plate.
8. The front maintenance tool according to any one of claims 1 to 6, wherein the tie rod assembly comprises a connecting rod, the main support plate is provided with a corresponding connecting through hole, and the connecting rod passes through the connecting through hole and is fixedly connected with the suction cup unit.
9. The front maintenance tool according to claim 8, wherein the pull rod assembly further comprises a lever and a pressing rod, the main supporting plate is further provided with a lever supporting seat, the lever is rotatably connected with the lever supporting seat, and the pull rod and the pressing rod are respectively located at two opposite ends of the lever.
10. The front maintenance tool of claim 9, wherein the number of tie rod assemblies is 2, and the 2 tie rod assemblies are symmetrically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010844743.2A CN111899656A (en) | 2020-08-20 | 2020-08-20 | Front maintenance tool suitable for different splicing angles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010844743.2A CN111899656A (en) | 2020-08-20 | 2020-08-20 | Front maintenance tool suitable for different splicing angles |
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| CN111899656A true CN111899656A (en) | 2020-11-06 |
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| CN202010844743.2A Pending CN111899656A (en) | 2020-08-20 | 2020-08-20 | Front maintenance tool suitable for different splicing angles |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| WO2024108330A1 (en) * | 2022-11-21 | 2024-05-30 | 京东方科技集团股份有限公司 | Dismounting device for tiled display device and dismounting method thereof |
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