CN110774229A - Quick adjustment installation mechanism of LED display screen box roughness - Google Patents
Quick adjustment installation mechanism of LED display screen box roughness Download PDFInfo
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- CN110774229A CN110774229A CN201911146891.0A CN201911146891A CN110774229A CN 110774229 A CN110774229 A CN 110774229A CN 201911146891 A CN201911146891 A CN 201911146891A CN 110774229 A CN110774229 A CN 110774229A
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- connecting rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
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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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Abstract
The invention discloses a quick flatness adjustment installation mechanism for an LED display screen box body, which comprises a connecting rod base, a lifting ejection mechanism, a connecting rod grappling mechanism and an eccentric handle mechanism, wherein the lifting ejection mechanism penetrates through the connecting rod base, the connecting rod grappling mechanism and the eccentric handle mechanism are sleeved on the connecting rod base, and the eccentric handle mechanism is arranged above the connecting rod grappling mechanism; the lifting ejection mechanism is provided with a threaded lifting ejection rod, a protective base plate, an opening spring and a lifting ejection handle, and the connecting rod grapple mechanism is provided with a connecting rod movable seat, a connecting rod grapple assembly and a movable seat spring; the installation mechanism for rapidly adjusting the flatness of the LED display screen box body has the advantages that the eccentric cam handle is arranged, the connecting rod grapple mechanism can be rapidly pressed and released by rotating the eccentric cam handle, so that the connecting rod grapple component is controlled to be rapidly folded inwards and unfolded outwards, the protection base plate is further arranged, the rotation can be carried out by 360 degrees, and the damage to the pressing surface of the box body is protected.
Description
Technical Field
The invention relates to the technical field of installation of LED (light-emitting diode) fixed full-color display screens, in particular to an installation mechanism for quickly adjusting the flatness of a box body of an LED display screen.
Background
At present, the display screen is fixedly installed on the LED with the small dot pitch more and more widely, the display effect requirement of the display screen body with the small dot pitch is higher and higher, the display screen body is installed conveniently and quickly, and the module of the display screen is installed on the box body without segment difference so as to meet the requirement of the high-definition display effect of the display screen body. The display screen box body originally needs to be provided with a connecting sheet and 4 screws between 4 box bodies for fixing so as to level the flatness between the box bodies, so that the effect of no section difference between the box bodies is achieved, the installation process is long in time and high in cost due to the use of the connecting sheet, and in order to reduce the cost of the screen body and quickly install the screen body, a quick adjustment and installation mechanism for the flatness of the box body is urgently needed to be designed, and the display screen box body can be quickly taken down after being installed, so that the display screen box body can be recycled in the installation process.
Accordingly, the prior art is deficient and needs improvement.
Disclosure of Invention
The invention provides a quick flatness adjustment mounting mechanism for an LED display screen box body, which solves the problems.
In order to solve the above problems, the technical scheme provided by the invention is as follows:
a quick flatness adjustment installation mechanism for an LED display screen box body comprises a connecting rod base, a lifting ejection mechanism, a connecting rod grappling mechanism and an eccentric handle mechanism, wherein the lifting ejection mechanism penetrates through the connecting rod base, the connecting rod grappling mechanism and the eccentric handle mechanism are sleeved on the connecting rod base, and the eccentric handle mechanism is arranged above the connecting rod grappling mechanism; the connecting rod base is provided with a base body, a grabbing hook mounting foot and a grabbing hook mounting hole, the base body is hollow, a plurality of grabbing hook mounting feet are uniformly arranged at the bottom end of the outer wall of the base body, each grabbing hook mounting foot is provided with the grabbing hook mounting hole, and the horizontal cross section of the base body is not limited to the shapes of a circle, a hexagon, a polygon, a special shape and the like; the lifting ejection mechanism is provided with a threaded lifting ejection rod, a protective base plate, an opening spring and a lifting ejection handle, the threaded lifting ejection rod is in threaded connection with the connecting rod base, the protective base plate is clamped at the bottom of the threaded lifting ejection rod through the opening spring, the lifting ejection handle is installed at the upper end of the threaded lifting ejection rod, and the protective base plate is not limited to be round, hexagonal, polyhedral, special-shaped and the like in appearance; the connecting rod grapple mechanism is equipped with connecting rod sliding seat, connecting rod grapple subassembly and sliding seat spring, the connecting rod sliding seat is equipped with sliding seat ring, connecting rod installation position and connecting rod mounting hole, and is a plurality of the connecting rod installation position is evenly established around the sliding seat ring, the internal diameter of sliding seat ring with the external diameter phase-match of base body, it is a plurality of the connecting rod grapple subassembly is installed respectively in the multiunit the connecting rod installation position with grab on colluding the installation foot, the sliding seat spring overcoat is in on the base body, the sliding seat spring is established the connecting rod sliding seat with grab and collude between the installation foot. The optimized technical scheme is that the eccentric handle mechanism is provided with an eccentric handle seat, an eccentric cam handle, a first fixing screw rod, a first fixing nut, a second fixing screw rod and a limiting pin, the eccentric handle seat is an open annular mounting seat, one end, close to the eccentric handle seat, of the eccentric cam handle is provided with a mounting hole, the eccentric cam handle is hinged to the eccentric handle seat through the first fixing screw rod, an eccentric cam is arranged at the bottom of one end, close to the eccentric handle seat, of the eccentric cam handle, the first fixing screw rod sequentially penetrates through the left mounting hole, the eccentric cam handle and the right mounting hole, the first fixing nut is in threaded connection with the tail end of the first fixing screw rod, the second fixing screw rod is in threaded connection with the eccentric handle seat, and the second fixing screw rod sequentially penetrates through the left mounting hole and the right mounting hole, And the limiting pin is embedded into the handle limiting hole. The technical scheme who prefers, the base body is equipped with handle mounting groove, the spacing hole of handle and jacking internal thread, is annular the handle mounting groove is established base body outer wall upper end, the level is towards the centre of a circle the spacing hole of handle is established on the handle mounting groove, the jacking internal thread is established base body inner wall lower extreme. According to the technical scheme, the thread lifting ejector rod is provided with an ejector rod upper end, an ejector rod connecting portion and an ejector rod lower end, a handle mounting through hole is formed in the ejector rod upper end, and the ejector rod connecting portion is connected with the ejector rod upper end and the ejector rod lower end. According to the preferable technical scheme, the connecting rod mounting holes are respectively formed in the connecting rod mounting positions, connecting rod embedded grooves are further formed in the connecting rod mounting positions, and the connecting rod mounting holes vertically penetrate through the connecting rod embedded grooves; the connecting rod grapple subassembly is equipped with connecting rod, grapple, rotation axis and axle snap ring, the connecting rod upper end is passed through the rotation axis with the connecting rod sliding seat is articulated, the grapple upper end is passed through the rotation axis with the connecting rod base is articulated, the grapple middle part is passed through the rotation axis with the connecting rod lower extreme is articulated, every the rotation axis both ends all are equipped with axle snap ring screens, every the equal joint in rotation axis both ends has axle snap ring. According to the preferable technical scheme, the eccentric handle seat is provided with a handle mounting rib, a shaft pin limiting hole, a left mounting hole, a right mounting hole, a left mounting hole and a right mounting hole, the handle mounting rib is arranged in the middle of the inner wall of the eccentric handle seat, the shaft pin limiting hole is vertically arranged on the handle mounting rib, the left mounting hole is arranged below the left mounting hole, the right mounting hole is arranged below the right mounting hole, the right mounting hole is symmetrically arranged with the left mounting hole, the left mounting hole and the right mounting hole are symmetrically arranged at two sides of an opening of the eccentric handle seat, and the left mounting hole and the right mounting hole are both provided with internal threads; the shape of the eccentric handle seat is not limited to a circle, a hexagon, a polygon, a special shape and the like. According to the technical scheme, the lower end of the ejector rod is provided with ejection external threads, a base plate mounting hole, a spring mounting groove and an annular platform, the ejection external threads are arranged on the outer wall of the lower end of the ejector rod, the base plate mounting hole is formed in the middle of the bottom of the lower end of the ejector rod, the spring mounting groove is formed in the inner wall of the base plate mounting hole, the annular platform is arranged below the ejection external threads, and a groove is formed between the annular platform and the ejection external threads. The technical scheme who prefers, the connecting rod is equipped with shaft hole under shaft hole on the connecting rod and the connecting rod, shaft hole establishes on the connecting rod upper end, the embedding of connecting rod upper end the connecting rod installation position, the rotation axis passes in proper order the connecting rod mounting hole the connecting rod upper shaft hole with the connecting rod mounting hole, the shaft hole is established under the connecting rod lower extreme, the embedding of connecting rod lower extreme the grapple mounting groove, the rotation axis passes in proper order shaft hole under the grapple the connecting rod shaft hole with shaft hole under the grapple. According to the preferred technical scheme, the grapple is provided with a grapple mounting groove, a grapple upper shaft hole, a grapple lower shaft hole and a box grapple; two the grapple mounting groove is established respectively grapple upper end and middle part, upper end the grapple mounting groove quilt the grapple installation foot embedding, the rotation axis passes in proper order the shaft hole on the grapple mounting hole with the shaft hole on the grapple, the shaft hole is established on the grapple upper end, the shaft hole passes perpendicularly on the grapple mounting groove, the shaft hole is established under the grapple the grapple middle part, the shaft hole passes perpendicularly under the grapple mounting groove, the box grapple is established the grapple lower extreme, the box grapple be equipped with box assorted hook angle, hook angle appearance does not confine to shapes such as arc, plane linear type, hexagon, multifaceted, dysmorphism, plays the effect of taut box back-off. The technical scheme who prefers is a plurality of grab and collude the installation foot and establish through the installation foot ring base body outer wall bottom, installation foot ring overcoat is fixed base body outer wall bottom, it is a plurality of grab colludes the installation foot and evenly establishes on the installation foot ring, when box roughness quick adjustment installation mechanism needs the connecting rod grapple subassembly of different quantity, only need to be changed suitable installation foot ring and connecting rod sliding seat can, can save the cost and improve application range. Compared with the prior art, the LED display screen box body flatness rapid adjustment installation mechanism has the advantages that by adopting the scheme, the LED display screen box body flatness rapid adjustment installation mechanism is provided with the eccentric cam handle, and the connecting rod grapple mechanism can be rapidly pressed and released by rotating the eccentric cam handle, so that the connecting rod grapple component is controlled to be rapidly folded inwards and unfolded outwards; the lifting ejection mechanism is arranged, and can be matched with the connecting rod grappling mechanism to realize the leveling of four box planes; the invention is provided with the movable seat spring, and can realize the reset of the connecting rod grapple mechanism when the eccentric cam handle is lifted; and a protective backing plate is also arranged, so that the box body can rotate by 360 degrees and the pressing surface of the box body is protected from damage.
Drawings
For a clearer explanation of the embodiments or technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for a person skilled in the art that other drawings can be obtained from the drawings without creative efforts.
FIG. 1 is an exploded view of an installation mechanism for rapidly adjusting the flatness of an LED display screen box body according to the present invention;
FIG. 2 is a structural diagram of a quick flatness adjustment mounting mechanism for an LED display screen box body according to the present invention;
FIG. 3 is a cross-sectional view of an installation mechanism for rapidly adjusting the flatness of an LED display screen box body according to the present invention;
FIG. 4 is a schematic structural diagram of a base body according to the present invention;
FIG. 5 is a cross-sectional view of the base body of the present invention;
FIG. 6 is a cross-sectional view of the threaded lift ejector rod of the present invention;
FIG. 7 is a schematic structural diagram of a connecting rod movable seat according to the present invention;
FIG. 8 is a schematic view of the structure of the connecting rod of the present invention;
FIG. 9 is a schematic view of the construction of the grapple of the present invention;
FIG. 10 is a schematic view of the eccentric handle holder of the present invention;
FIG. 11 is a schematic view of the installation direction and position of the flatness rapid adjustment installation mechanism of the present invention;
FIG. 12 is a schematic view of the mounting mechanism of the present invention with the eccentric cam handle lifted upwardly;
FIG. 13 is a schematic view of the reverse buckle of the grapple opening box of the quick adjustment mounting mechanism of the present invention;
FIG. 14 is a schematic view of the reverse buckle of the grapple tensioning housing of the quick adjustment mounting mechanism of the present invention.
As shown in the above legend: 1. a connecting rod base; 11. a base body; 111. a handle mounting groove; 112. a handle limiting hole; 113. jacking the internal thread; 12. a grab hook mounting foot; 13. a grab mounting hole; 2. a lifting ejection mechanism; 21. a screw thread lifting ejector rod; 211. the upper end of the ejector rod; 212. a knock-out lever connecting portion; 213. the lower end of the ejector rod; 2131. ejecting the external thread; 2132. a base plate mounting hole; 2133. a spring mounting groove; 2134. an annular platform; 22. protecting the base plate; 23. a split spring; 24. lifting and ejecting a handle; 3. a connecting rod grapple mechanism; 31. a connecting rod movable seat; 311. a movable seat ring; 312. a connecting rod mounting position; 313. a connecting rod mounting hole; 32. a connecting rod grapple assembly; 321. a connecting rod; 3211. an upper shaft hole of the connecting rod; 3212. a lower shaft hole of the connecting rod; 322. a grapple; 3221. a grapple mounting groove; 3222. the shaft hole is arranged on the grapple; 3223. a lower shaft hole of the grapple; 3224. a box body grapple; 323. a rotating shaft; 324. a shaft snap ring; 33. a movable seat spring; 4. an eccentric handle mechanism; 41. an eccentric handle mount; 411. a handle mounting bar; 412. a shaft pin limiting hole; 413. a left mounting hole; 414. a right mounting hole; 415. a left second mounting hole; 416. a right two mounting holes; 42. an eccentric cam handle; 43. a first fixing screw; 44. a first fixing nut; 45. a second fixing screw; 46. a spacing pin; 101. a box body; 102. the flatness of the box body is quickly adjusted and installed.
Detailed Description
In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples. Preferred embodiments of the present invention are shown in the drawings. This invention 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 use of the terms "fixed," "integrally formed," "left," "right," and the like in this specification is for illustrative purposes only, and elements having similar structures are designated by the same reference numerals in the figures.
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 invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in the attached drawings in the specification, one embodiment of the invention is as follows:
the utility model provides a LED display screen box roughness quick adjustment installation mechanism includes connecting rod base 1, lift ejection mechanism 2, connecting rod grapple mechanism 3 and eccentric handle mechanism 4, lift ejection mechanism 2 passes connecting rod base 1, connecting rod grapple mechanism 34 overcoat of eccentric handle mechanism is in on the connecting rod base 1, connecting rod grapple mechanism 3 with lift ejection mechanism 2 cooperations are with box 101 flattening, eccentric handle mechanism 4 is established connecting rod grapple mechanism 3 top, eccentric handle mechanism 4 control connecting rod grapple mechanism 3 opens and shuts. The connecting rod base 1 is equipped with base body 11, grabs and colludes mounting foot 12 and grabs and colludes mounting hole 13, base body 11 is hollow cylinder roughly, four grab and collude mounting foot 12 and evenly establish 11 outer wall bottom of base body, four grab and collude mounting hole 13 and establish respectively four grab on colluding mounting foot 12. The lifting ejection mechanism 2 is provided with a threaded lifting ejection rod 21, a protective base plate 22, an opening spring 23 and a lifting ejection handle 24, the protective base plate 22 is connected to the bottom of the threaded lifting ejection rod 21 in a clamped mode through the opening spring 23, the opening spring 23 is connected to a placement groove in the upper end of the protective base plate 22 in a clamped mode, and the lifting ejection handle 24 is installed on the upper end of the threaded lifting ejection rod 21. Connecting rod grapple mechanism 3 is equipped with connecting rod sliding seat 31, connecting rod grapple subassembly 32 and sliding seat spring 33, connecting rod sliding seat 31 roughly is the annular, connecting rod sliding seat 31's internal diameter with the external diameter phase-match of base body 11, four connecting rod grapple subassembly 32 evenly establishes connecting rod sliding seat 31 with on the connecting rod base 1, sliding seat spring 33 overcoat is in on the base body 11, sliding seat spring 33 establishes connecting rod sliding seat 31 with grab between colluding installation foot 12. The eccentric handle mechanism 4 is provided with an eccentric handle base 41, an eccentric cam handle 42, a first fixing screw 43, a first fixing nut 44, a second fixing screw 45 and a limit pin 46, the eccentric handle base 41 is a substantially open annular mounting base, one end of the eccentric cam handle 42 close to the eccentric handle base 41 is provided with a mounting hole, the eccentric cam handle 42 is hinged with the eccentric handle base 41 through the first fixing screw 43, the bottom of one end of the eccentric cam handle 42 close to the eccentric handle base 41 is provided with an eccentric cam, the first fixing screw 43 sequentially passes through the left mounting hole 413, the eccentric cam handle 42 and the right mounting hole 414, the first fixing nut 44 is in threaded connection with the end of the first fixing screw 43, the second fixing screw 45 is in threaded connection with the eccentric handle base 41, the second fixing screw 45 sequentially passes through the left second mounting hole 415 and the right second mounting hole 416, and the limit pin 46 is embedded into the handle limit hole 112. Base body 11 is equipped with handle mounting groove 111, the spacing hole 112 of handle and jacking internal thread 113, is annular handle mounting groove 111 is established 11 outer wall upper end of base body, level towards the centre of a circle the spacing hole 112 of handle is established on the handle mounting groove 111, jacking internal thread 113 is established 11 inner wall lower extreme of base body. The screw thread lifting ejector rod 21 is provided with an ejector rod upper end 211, an ejector rod connecting portion 212 and an ejector rod lower end 213, the ejector rod upper end 211 is provided with a handle mounting through hole, and the ejector rod connecting portion 212 is connected with the ejector rod upper end 211 and the ejector rod lower end 213. Connecting rod sliding seat 31 is equipped with sliding seat ring 311, connecting rod installation position 312 and connecting rod mounting hole 313, four connecting rod installation position 312 evenly establishes around sliding seat ring 311, be equipped with the connecting rod embedded groove on connecting rod installation position 312, four connecting rod mounting hole 313 establishes respectively four on the connecting rod installation position 312, connecting rod mounting hole 313 passes perpendicularly the connecting rod embedded groove. Connecting rod grapple subassembly 32 is equipped with connecting rod 321, grapple 322, rotation axis 323 and axle snap ring 324, connecting rod 321 upper end is passed through rotation axis 323 with the connecting rod sliding seat 31 is articulated, grapple 322 upper end is passed through rotation axis 323 with connecting rod base 1 is articulated, grapple 322 middle part is passed through rotation axis 323 with the connecting rod 321 lower extreme is articulated, every rotation axis 323 both ends all are equipped with axle snap ring screens, every rotation axis 323 both ends all joint have axle snap ring 324. The eccentric handle seat 41 is provided with a handle mounting rib 411, a shaft pin limiting hole 412, a left mounting hole 413, a right mounting hole 414, a left mounting hole 415 and a right mounting hole 416, the handle mounting rib 411 is arranged in the middle of the inner wall of the eccentric handle seat 41, the shaft pin limiting hole 412 is vertically arranged on the handle mounting rib 411, the left mounting hole 413 is arranged below the left mounting hole 415, the right mounting hole 414 is arranged below the right mounting hole 416, the right mounting hole 414 is symmetrically arranged with the left mounting hole 413, the left mounting hole 415 and the right mounting hole 416 are symmetrically arranged on two sides of an opening of the eccentric handle seat 41, and the left mounting hole 415 and the right mounting hole 416 are both provided with internal threads. The lower end 213 of the ejector rod is provided with an ejector external thread 2131, a cushion plate mounting hole 2132, a spring mounting groove 2133 and an annular platform 2134, the ejector external thread 2131 is arranged on the outer wall of the lower end 213 of the ejector rod, the cushion plate mounting hole 2132 is arranged in the middle of the bottom of the lower end 213 of the ejector rod, the annular spring mounting groove 2133 is arranged on the inner wall of the cushion plate mounting hole 2132, the annular platform 2134 is arranged below the ejector external thread 2131, and a groove is formed between the annular platform 2134 and the ejector external thread 2131. The connecting rod 321 is provided with an upper connecting rod shaft hole 3211 and a lower connecting rod shaft hole 3212, the upper connecting rod shaft hole 3211 is formed in the upper end of the connecting rod 321, the upper end of the connecting rod 321 is embedded into the connecting rod mounting position 312, the rotating shaft 323 sequentially penetrates through the connecting rod mounting hole 313, the upper connecting rod shaft hole 3211 and the connecting rod mounting hole 313, the lower connecting rod shaft hole 3212 is formed in the lower end of the connecting rod 321, the lower end of the connecting rod 321 is embedded into the grapple mounting groove 3221, and the rotating shaft 323 sequentially penetrates through the grapple lower shaft hole 3223, the connecting rod lower shaft hole 3212 and the grapple lower shaft hole 3223. The grapple 322 is provided with a grapple mounting groove 3221, a grapple upper shaft hole 3222, a grapple lower shaft hole 3223 and a box grapple 3224, the two grapple mounting grooves 3221 are respectively arranged at the upper end and the middle part of the grapple 322, the grapple mounting groove 3221 at the upper end is embedded by the grapple mounting foot 12, the rotating shaft 323 sequentially penetrates through the grapple upper shaft hole 3222, the grapple mounting hole 13 and the grapple upper shaft hole 3222, the grapple upper shaft hole 3222 is arranged at the upper end of the grapple 322, the grapple upper shaft hole 3222 vertically penetrates through the grapple mounting groove 3221, the grapple lower shaft hole 3223 is arranged at the middle part of the grapple 322, the grapple lower shaft hole 3223 vertically penetrates through the grapple mounting groove 3221, the box grapple 3224 is arranged at the lower end of the grapple 322, and the box grapple 3224 is provided with a hook angle matched with the box. Embodiment 2 differs from embodiment 1 in that the eccentric handle mechanism 4 is symmetrically provided with two eccentric cam handles 42, suitably, the eccentric handle base 41 is an annular mounting base formed by combining two half rings with identical structures, and the eccentric handle mechanism 4 is provided with two sets of a first fixing screw 43, a first fixing nut 44 and a second fixing screw 45.
Embodiment 4, the difference between this embodiment and embodiment 1 is that the cushion layer of the protection pad in this embodiment is divided into an upper layer and a lower layer, and an elastic component is disposed between the upper layer and the lower layer, where the elastic component may be a spring, a spring sheet, or other elastic parts, and one or more elastic components may be provided.
The working principle is as follows: the invention relates to an assembling method of an installation mechanism for rapidly adjusting the flatness of an LED display screen box body, which comprises the following steps that firstly, an open spring 23 is installed on a placement groove at the upper end of a protective backing plate 22 and then is installed at the bottom of a threaded lifting ejector rod 21; screwing the assembled assembly body into the connecting rod base 1;
step two, mounting the grapple 322 on the grapple mounting foot 12 of the connecting rod base 1 through the rotating shaft 323, and then locking two ends of the rotating shaft 323 by using two shaft snap rings 324 to finish the mounting of one grapple, and finishing the mounting of other grapples by the same method;
step three, mounting the connecting rod 321 on the connecting rod mounting position 312 of the connecting rod movable seat 31 through the rotating shaft 323, locking two ends of the rotating shaft 323 by using two shaft clamping rings 324 to finish the mounting of one connecting rod, and finishing the mounting of other connecting rods by the same method;
step four, sleeving the movable seat spring 33 outside the connecting rod base 1, then installing the assembled three components in the connecting rod base 1, and finally fixing each connecting rod 321 and the grapple 322 through the rotating shaft 323 and the shaft clamp ring 324;
step five, installing a limit pin 46 into a handle limit hole 112 of the connecting rod base 1, installing an eccentric handle seat 41 onto a handle installation groove 111 of the connecting rod base 1, installing an eccentric cam handle 42 onto the eccentric handle seat 41, installing a first fixing screw 43, a second fixing screw 45 and a first fixing nut 44 onto the eccentric handle seat 41, and finally installing a lifting ejection handle 24 onto the upper end of the threaded lifting ejection rod 21, wherein the assembly is completed as shown in the attached drawing 2.
The steps of adjusting and mounting the box body 101 by the box body flatness rapid adjusting and mounting mechanism 102 are as follows: firstly, the screw thread lifting ejection rod 21 of the box flatness fast adjusting installation mechanism 102 is screwed to an initial position, the eccentric cam handle is lifted upwards as shown in figure 12, then the four grapples 322 are placed in the middle of the four spliced boxes 101 from the direction forming an included angle of 45 degrees with the horizontal line as shown in figure 10, then the eccentric cam handle 42 is pressed to be in a horizontal state, at the moment, the connecting rod movable seat 31 moves downwards under the ejection action of the eccentric cam handle 42, and simultaneously, the grapple 322 of the connecting rod grapple assembly 32 is driven to retract inwards to the position where each box is reversely buckled as shown in figure 14; the lifting ejection handle 24 is rotated clockwise, the threaded lifting ejection rod 21 is driven to eject downwards, the four box bodies 101 are forced to be attached to the protective base plate 22 under the tensioning of the grab hook and the reverse buckle of the box bodies, and therefore the four box bodies are located on the same plane, and the flatness adjustment of the box bodies can be completed.
The steps of taking out the box body flatness rapid adjustment installation mechanism 102 from the box body 101 are as follows: the lifting ejection handle 24 is rotated counterclockwise, then the eccentric cam handle 42 is lifted upwards, the connecting rod movable seat 31 moves upwards under the pushing force of the movable seat spring 33, and the four connecting rods 321 are driven to lift upwards to force the four grappling hooks 322 to open outwards, as shown in fig. 13, and the box body flatness quick adjustment mounting mechanism can be taken out.
Compared with the prior art, the LED display screen box body flatness rapid adjustment installation mechanism has the advantages that by adopting the scheme, the LED display screen box body flatness rapid adjustment installation mechanism is provided with the eccentric cam handle, and the connecting rod grapple mechanism can be rapidly pressed and released by rotating the eccentric cam handle, so that the connecting rod grapple component is controlled to be rapidly folded inwards and unfolded outwards; the lifting ejection mechanism is arranged, and can be matched with the connecting rod grappling mechanism to realize the leveling of four box planes; the invention is provided with the movable seat spring, and can realize the reset of the connecting rod grapple mechanism when the eccentric cam handle is lifted; and a protective backing plate is also arranged, so that the box body can rotate by 360 degrees and the pressing surface of the box body is protected from damage.
The technical features mentioned above are combined with each other to form various embodiments which are not listed above, and all of them are regarded as the scope of the present invention described in the specification; also, modifications and variations may be suggested to those skilled in the art in light of the above teachings, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a LED display screen box roughness quick adjustment installation mechanism which characterized in that: the lifting ejection mechanism penetrates through the connecting rod base, the connecting rod grappling mechanism and the eccentric handle mechanism are sleeved on the connecting rod base, and the eccentric handle mechanism is arranged above the connecting rod grappling mechanism; the connecting rod base is provided with a base body, a grabbing hook mounting foot and a grabbing hook mounting hole, the base body is approximately a hollow cylinder, the grabbing hook mounting feet are uniformly arranged at the bottom end of the outer wall of the base body, and each grabbing hook mounting foot is provided with the grabbing hook mounting hole; the lifting ejection mechanism is provided with a threaded lifting ejection rod, a protective backing plate, an opening spring and a lifting ejection handle, the threaded lifting ejection rod is in threaded connection with the connecting rod base, the protective backing plate is clamped at the bottom of the threaded lifting ejection rod through the opening spring, and the lifting ejection handle is installed at the upper end of the threaded lifting ejection rod; the connecting rod grapple mechanism is equipped with connecting rod sliding seat, connecting rod grapple subassembly and sliding seat spring, the connecting rod sliding seat is equipped with sliding seat ring, connecting rod installation position and connecting rod mounting hole, and is a plurality of the connecting rod installation position is evenly established around the sliding seat ring, the internal diameter of sliding seat ring with the external diameter phase-match of base body, it is a plurality of the connecting rod grapple subassembly is installed respectively in the multiunit the connecting rod installation position with grab on colluding the installation foot, the sliding seat spring overcoat is in on the base body, the sliding seat spring is established the connecting rod sliding seat with grab and collude between the installation foot.
2. The quick flatness adjustment installation mechanism for the LED display screen box body according to claim 1, is characterized in that: the eccentric handle mechanism is provided with an eccentric handle seat, an eccentric cam handle, a first fixing screw rod, a first fixing nut, a second fixing screw rod and a limiting pin, the eccentric handle seat is an open annular mounting seat, one end, close to the eccentric handle seat, of the eccentric cam handle is provided with a mounting hole, the eccentric cam handle is hinged to the eccentric handle seat through the first fixing screw rod, an eccentric cam is arranged at the bottom of one end, close to the eccentric handle seat, of the eccentric cam handle, the first fixing screw rod sequentially penetrates through the left mounting hole, the eccentric cam handle and the right mounting hole, the first fixing nut is in threaded connection with the tail end of the first fixing screw rod, the second fixing screw rod is in threaded connection with the eccentric handle seat, and the second fixing screw rod sequentially penetrates through the left mounting hole and the right mounting hole, the limiting pin is embedded into the handle limiting hole.
3. The quick flatness adjustment installation mechanism for the LED display screen box body according to claim 2, is characterized in that: the base body is equipped with handle mounting groove, the spacing hole of handle and jacking internal thread, is annular the handle mounting groove is established base body outer wall upper end, the level is towards the centre of a circle the spacing hole of handle is established on the handle mounting groove, the jacking internal thread is established base body inner wall lower extreme.
4. The quick flatness adjustment installation mechanism for the LED display screen box body according to claim 3, is characterized in that: the thread lifting ejector rod is provided with an ejector rod upper end, an ejector rod connecting portion and an ejector rod lower end, the ejector rod upper end is provided with a handle mounting through hole, and the ejector rod connecting portion is connected with the ejector rod upper end and the ejector rod lower end.
5. The quick flatness adjustment installation mechanism for the LED display screen box body according to claim 4, is characterized in that: the connecting rod mounting holes are respectively formed in the connecting rod mounting positions, connecting rod embedded grooves are further formed in the connecting rod mounting positions, and the connecting rod mounting holes vertically penetrate through the connecting rod embedded grooves; the connecting rod grapple subassembly is equipped with connecting rod, grapple, rotation axis and axle snap ring, the connecting rod upper end is passed through the rotation axis with the connecting rod sliding seat is articulated, the grapple upper end is passed through the rotation axis with the connecting rod base is articulated, the grapple middle part is passed through the rotation axis with the connecting rod lower extreme is articulated, every the rotation axis both ends all are equipped with axle snap ring screens, every the equal joint in rotation axis both ends has axle snap ring.
6. The quick flatness adjustment installation mechanism for the LED display screen box body according to claim 5, is characterized in that: the eccentric handle seat is provided with a handle mounting rib, a shaft pin limiting hole, a left mounting hole, a right mounting hole, a left mounting hole and a right mounting hole, the handle mounting rib is arranged in the middle of the inner wall of the eccentric handle seat, the shaft pin limiting hole is vertically arranged on the handle mounting rib, the left mounting hole is arranged below the left mounting hole, the right mounting hole is arranged below the right mounting hole, the right mounting hole is symmetrically arranged with the left mounting hole, and the left mounting hole and the right mounting hole are symmetrically arranged on two sides of the eccentric handle seat.
7. The quick flatness adjustment installation mechanism for the LED display screen box body according to claim 6, is characterized in that: the ejection rod lower extreme is equipped with ejecting external screw thread, backing plate mounting hole, spring mounting groove and annular platform, ejecting external screw thread is established ejector rod lower extreme outer wall, the backing plate mounting hole is established in the middle of ejector rod lower extreme bottom, and is cyclic annular the spring mounting groove is established on the backing plate mounting hole inner wall, annular platform establishes ejecting external screw thread below, annular platform with be equipped with a recess between the ejecting external screw thread.
8. The quick flatness adjustment installation mechanism for the LED display screen box body according to claim 7, is characterized in that: the connecting rod is equipped with shaft hole under shaft hole and the connecting rod on the connecting rod, the connecting rod upper shaft hole is established the connecting rod upper end, the embedding of connecting rod upper end the connecting rod installation position, the rotation axis passes in proper order the connecting rod mounting hole on the connecting rod shaft hole with the connecting rod mounting hole, the shaft hole is established under the connecting rod lower extreme, the embedding of connecting rod lower extreme the grapple mounting groove, the rotation axis passes in proper order the grapple under the shaft hole the connecting rod under the shaft hole with the grapple under the shaft hole.
9. The quick flatness adjustment mounting mechanism for the LED display screen box body according to claim 8, is characterized in that: the grapple is equipped with grapple mounting groove, grapple upper shaft hole, grapple lower shaft hole and box grapple, two the grapple mounting groove is established respectively grapple upper end and middle part, the upper end the grapple mounting groove quilt the grapple installation foot embedding, the rotation axis passes in proper order the grapple upper shaft hole the grapple mounting hole with the grapple upper shaft hole, the grapple upper shaft hole is established the grapple upper end, the grapple upper shaft hole passes perpendicularly the grapple mounting groove, the grapple is established in the shaft hole down the grapple middle part, the grapple passes perpendicularly the shaft hole under the grapple mounting groove, the box grapple is established the grapple lower extreme, the box grapple be equipped with box assorted hook angle.
10. The mechanism of claim 9 for rapidly adjusting the flatness of the housing of the LED display screen, wherein the method for assembling the mechanism comprises: A. mounting the open spring on a mounting groove at the upper end of the protective backing plate, and then mounting the open spring at the bottom of the threaded lifting ejector rod; screwing the assembled assembly body into the connecting rod base; B. the grapple is arranged on the grapple mounting foot of the connecting rod base through the rotating shaft, two ends of the rotating shaft are locked by two shaft clamping rings, so that the mounting of one grapple can be completed, and the mounting of other grapples can be completed by the same method; C. the connecting rod is arranged on a connecting rod mounting position of the connecting rod movable seat through the rotating shaft, two ends of the rotating shaft are locked by two shaft clamping rings, the mounting of one connecting rod can be completed, and the mounting of other connecting rods is completed by the same method; D. sleeving the movable seat spring outside a connecting rod base, then installing the assembled three components into the connecting rod base, and finally fixing each connecting rod and the grapple through a rotating shaft and a shaft clamping ring; E. installing a limiting pin in a handle limiting hole of a connecting rod base, installing an eccentric handle seat on a handle installing groove of the connecting rod base, installing an eccentric cam handle on the eccentric handle seat, installing a first fixing screw rod, a second fixing screw rod and a first fixing nut on the eccentric handle seat, installing a lifting ejection handle at the upper end of a thread lifting ejection rod, and completing assembly as shown in the attached drawing 2.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911146891.0A CN110774229B (en) | 2019-11-21 | 2019-11-21 | Quick adjustment installation mechanism of LED display screen box roughness |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911146891.0A CN110774229B (en) | 2019-11-21 | 2019-11-21 | Quick adjustment installation mechanism of LED display screen box roughness |
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| CN110774229A true CN110774229A (en) | 2020-02-11 |
| CN110774229B CN110774229B (en) | 2021-07-06 |
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| Publication number | Publication date |
|---|---|
| CN110774229B (en) | 2021-07-06 |
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