CN204148842U - Screen body fixes assembled slack adjuster and LED display system - Google Patents
Screen body fixes assembled slack adjuster and LED display system Download PDFInfo
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- CN204148842U CN204148842U CN201420453585.8U CN201420453585U CN204148842U CN 204148842 U CN204148842 U CN 204148842U CN 201420453585 U CN201420453585 U CN 201420453585U CN 204148842 U CN204148842 U CN 204148842U
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- 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
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- 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
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Abstract
The utility model belongs to assembling technique field, aim to provide a kind of body that shields and fix assembled slack adjuster, comprise the first adjusting part, the second adjusting part and connect the connecting plate that described first shields body unit and described second screen body unit, also aim to provide LED display system.The utility model, regulate cushion block and second to regulate cushion block to be located at the back side of two adjacent screen body units respectively by first, and allow each self-corresponding movable block move in the respective slideway with same slope, mutually concordant with the two LED screen body unit fronts that stepless fine adjustment is adjacent; By rotating the first eccentric shaft and/or the second eccentric shaft, coordinate center to change each eccentric shaft and connecting plate and to coordinate the spacing between center with connecting plate with eccentric shaft relative separately, thus between the adjacent two LED screen body unit of stepless fine adjustment up and down or the gap of left and right directions, meet closely spaced assembled requirement, improve the display effect of high density LED display system.
Description
Technical field
The utility model belongs to assembling technique field, relates to a kind of slack adjuster, particularly relates to a kind of LED display system of shielding body and fixing assembled slack adjuster and having this slack adjuster.
Background technology
LED display generally by several independently LED display unit composite assembly form, and LED display unit generally adopts body structure or cell board structure, therefore, LED display screen body the fixing assembled casing being mainly reflected in each LED display unit between connection or cell board between connection on.Obviously, for guaranteeing the quality of the image display of the LED display that this kind of composite assembly goes out, the surface smoothness of whole display screen is controlled to become an important technology within the specific limits.
In prior art, the screen body of LED display fixes the connection between connection between assembled casing or flat board, great majority adopt on connecting plate, offer stationary positioned hole, then directly two LED unit casings or two LED unit plates are fixedly connected with screw (bolt) by fixed locating stud, but, this kind of erection method, assembly quality after it is assembled is (as piece, the flatness in LED face) machining accuracy of multiple parts such as LED unit casing (or LED unit plate) need be relied on completely to ensure, usually, this kind of erection method can meet the demands for Large space (spacing as pixel is greater than 3mm), but for Small Distance, (spacing as pixel is less than 3mm, after particularly the spacing of pixel is less than 2mm or 1mm) be but difficult to meet assembled requirement, even display effect can be badly influenced, if the economic machining tolerance of numerical control machine tool processing 500mm locating hole is positive and negative 0.1, but in the LED of dot spacing 1mm is assembled, when the theoretical gap of locating hole is less than 0.2mm, just there will be bright line, when this gap is greater than 0.2mm, there will be concealed wire again, moreover, the slight injustice in surface of high density LED display also obviously can have influence on display effect.
Utility model content
The purpose of this utility model is to overcome screen body when to fix in assembled process between each screen body unit as Small Distance range regulation, existing erection method can not meet assembled requirement, badly influence the technical problem of display effect, there is provided a kind of eccentric shaft used on arbitrary adjusting part, and the movable block selecting the push rod of a certain adjusting part in two adjusting parts or gear shaft to promote its correspondence moves to realize to shield the screen body that body fixes the stepless fine adjustment of the fit clearance of all directions in assembled process and fixes assembled slack adjuster.
For solving the problems of the technologies described above, the utility model is achieved in that this screen body fixes assembled slack adjuster, in order to the gap length between the adjacent screen body unit of adjusting screen body unit; The connecting plate that this device comprises the back side being located at the first screen body unit and the second screen body unit, the second adjusting part be located at the first adjusting part between described first screen body unit and described connecting plate and be located between described second screen body unit and described connecting plate;
Described first adjusting part comprises the first movable block and is provided with the first slideway, the front snap of just shielding body unit towards described second that described first movable block slides along described first slideway to promote described first screen body unit; Described second adjusting part comprises the second movable block and is provided with the second slideway, the front snap of just shielding body unit towards described first that described second movable block slides along described second slideway to promote described second screen body unit;
Described first adjusting part also comprises and being inserted between described connecting plate and described first screen body unit, in order to limit the first eccentric shaft of position between described connecting plate and described first screen body unit, and described first eccentric shaft can and described second shield body unit and relatively rotates to regulate described first to shield body unit and described second to shield gap length between body unit;
Described second adjusting part also comprises and being inserted between described connecting plate and described second screen body unit, in order to limit the second eccentric shaft of position between described connecting plate and described second screen body unit, and described second eccentric shaft can and described first shield body unit and relatively rotates to regulate described first to shield body unit and described second to shield gap length between body unit.
Compared with prior art, the beneficial effect that the screen body that the utility model provides fixes assembled slack adjuster is:
1) by the first adjusting part being located at the back side of the arbitrary screen body unit in two adjacent screen body units, second adjusting part is located at the back side of another screen body unit, use the movement of the first movable block in the first slideway, or use the movement of the second movable block in the second slideway, to make the front just towards the thicker screen body unit of thickness of the screen body unit of thinner thickness in two adjacent screen body units mutually concordant, thus stepless fine adjustment is realized to be tending towards concordant to the front of adjacent two screen body units, assembled requirement when the spacing met between each screen body unit is Small Distance,
2) by the first adjusting part being located at the back side of the arbitrary screen body unit in two adjacent screen body units, second adjusting part is located at the back side of another screen body unit, use eccentric shaft and the connecting plate of any adjusting part in two adjusting parts, there is the characteristic of an offset in the axle center of each several part coordinated between corresponding adjustment cushion block and the screen body unit of correspondence, by by two eccentric shafts or wherein an eccentric shaft rotate a certain set angle, can to realize between the first screen body unit and the second screen body unit up and down or the stepless fine adjustment in gap, left and right, thus compensate for the mismachining tolerance of each parts, meet closely spaced assembled requirement between each screen body unit,
3) fix in assembled process at whole screen body, assembled slack adjuster is fixed by using many this screen bodies of cover, achieve the stepless fine adjustment of the fit clearance of all directions between each screen body unit, thus achieve the high-precision joining of whole LED screen body, and then improve the display effect of LED screen body.
Present invention also offers a kind of LED display system, this LED display system comprises some LED screen body unit, and LED screen body unit described in adjacent two is provided with screen body described above and fixes assembled slack adjuster.
Compared with prior art, the beneficial effect of LED display system provided by the invention is: fix assembled slack adjuster by arranging above-mentioned screen body at two adjacent LED display units, make the gap between each LED screen body unit obtain stepless fine adjustment, and then the display effect of LED display system is obviously promoted.
Accompanying drawing explanation
Fig. 1 shields the explosive view that body fixes assembled slack adjuster in the utility model embodiment;
Fig. 2 shields the three-dimensional structure diagram that body fixes assembled slack adjuster in the utility model embodiment;
Fig. 3 shields body to fix movable block in the second adjusting part of the assembled slack adjuster state sectional view when second regulates the leftmost side of the groove of cushion block in the utility model embodiment;
Fig. 4 shields the state sectional view of movable block when the right side of the groove of the second adjustment cushion block that body fixes the second adjusting part of assembled slack adjuster in the utility model embodiment;
Fig. 5 shields body to fix the structural representation that first of assembled slack adjuster regulates cushion block in the utility model embodiment;
Fig. 6 shields the structural representation that body fixes the first eccentric shaft of assembled slack adjuster in the utility model embodiment;
Fig. 7 shields the structural representation that body fixes the first gear shaft of assembled slack adjuster in the utility model embodiment;
Fig. 8 shields the structural representation that body fixes the first movable block of assembled slack adjuster in the utility model embodiment;
Fig. 9 shields body to fix the sectional view of assembled slack adjuster under the first eccentric shaft confined state in the utility model embodiment;
Figure 10 be shield in the utility model embodiment body fix assembled slack adjuster the first eccentric shaft and the second eccentric shaft all not deflection angle time state diagram;
Figure 11 shields body to fix the state diagram of assembled slack adjuster after the first eccentric shaft and the second eccentric shaft all deflect in the utility model embodiment, and the state enlarged drawing when deflection angle of the first eccentric shaft is K;
Figure 12 shields body to fix the state diagram of assembled slack adjuster when regulating the first eccentric shaft with eccentric shaft regulating part in the utility model embodiment;
Figure 13 is that in the utility model embodiment, multiple screen body fixes assembled slack adjuster carries out the assembly structure of gap adjustment outside drawing to multiple screen body unit.
Detailed description of the invention
In order to make technical problem to be solved of the present utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Below in conjunction with concrete accompanying drawing, realization of the present utility model is described in detail.
As shown in Fig. 1 ~ Figure 13, the screen body provided for the utility model one preferred embodiment fixes assembled slack adjuster.
As shown in Figure 1 to Figure 4, shown in Fig. 8, this slack adjuster, in order to the gap length between the adjacent two screen body units of adjusting screen body unit in the main fixing assembled process shielding body, because of when fixedly mounting screen body, screen body is generally vertical laying state, thus, the gap length of this device mainly in order to the front and back between screen body unit each in adjusting screen body, up and down, on left and right directions.Wherein, every suit said apparatus is once only in order to regulate front and back between two adjacent screen body units and the gap up and down or on front and back and left and right directions, therefore, understandably, when the screen body of fixing assembled a piece large-scale, need the adjustment having cooperatively interacted the gap length in fixing assembled process in each screen body unit all directions between many cover said apparatus.
What generally adopt because of screen body display unit is body structure or cell board structure, thus, the present invention is by assembled two adjacent casings or cell board are referred to as screen body unit mutually, and two adjacent screen body units are called the first screen body unit 1 and the second screen body unit 2, thus, understandably, this device is mainly in order to regulate the first screen body unit 1 and and first to shield body unit 1 and fix assembled second and shield front and back between body unit 2, gap up and down, on left and right directions.It should be noted that, because of usually in the process of fixing assembled screen body, need to be applied to many this slack adjusters of cover, thus for making the process of whole gap adjustment launch without any confusion, and can make this device is installed more quickly and easily, in the embodiment of the present invention, before this device of installation, do not need consideration first to shield the thickness magnitude relationship of body unit 1 and the second screen body unit 2, be only used in the adjustment process installed after this device the thickness magnitude relationship judged between two screen body units.
As depicted in figs. 1 and 2, this slack adjuster connecting plate 3, the second adjusting part 5 of being located at the first adjusting part 4 between the first screen body unit 1 and connecting plate 3 and being located between the second screen body unit 2 and connecting plate 3 of comprising the back side being located at the first screen body unit 1 and the second screen body unit 2.It should be noted that, in a preferred embodiment provided by the invention, the first adjusting part 4 is all the same with each parts of the second adjusting part 5, and the function realized is also all the same.Thus, this only describes the structure of this device in detail for the first adjusting part 4, and the control method of this device.
As shown in Figure 2, the whole back side being arranged at each screen body screen body unit needing gap adjustment, wherein, first adjusting part 4 first screen body unit 1 and connecting plate 3 between and be connected with them, second adjusting part 5 second screen body unit 2 and connecting plate 3 between and be connected with them, understandably, connecting plate 3 mainly shields on body unit 2, to be linked together by each assembling parts in this device in order to respectively the first adjusting part 4 and the second adjusting part 5 to be connected to the first screen body unit 1 and second.Again as shown in Figure 2, in a preferred embodiment of the present invention, the first screen body unit 1 and the second screen body unit 2 are fixed together by multiple screw by connecting plate 3.
As shown in Figures 1 to 4, first adjusting part 4 comprises the first movable block 49 and is provided with the first slideway (not shown), second adjusting part 5 comprises the second movable block 59 and is provided with the second slideway (not shown), after operator installs this device, if when judging that the thickness size of the first screen body unit 1 is less than the thickness size of the second screen body unit 2, then by regulating the first movable block 49 to allow it slide along the first slideway, promote the first screen body unit 1 with this, thus make the front slowly snap of just shielding body unit 2 towards second of the first screen body unit 1.Otherwise, then by regulating the second movable block 59 to allow it slide along the second slideway, the second screen body unit 2 is promoted with this, to make the front slowly snap of just shielding body unit 1 towards first of the second screen body unit 2.Certainly, if the thickness size that the first screen body unit 1 and second shields body unit 2 is identical, then do not need to allow each movable block slide, understandably, specifically in a preferred embodiment of the present invention, this action can complete the stepless fine adjustment of gap length on the first screen body unit 1 and the second screen body unit 2 fore-and-aft direction, the assembled requirement when spacing of satisfied first screen body unit 1 and the second screen body unit 2 is Small Distance.
For another example Fig. 1, shown in Fig. 2 and Fig. 6, first adjusting part 4 also comprises and is inserted between connecting plate 3 and the first screen body unit 1, in order to limit the first eccentric shaft 41 of position between connecting plate 3 and the first screen body unit 1, second adjusting part 5 also comprises and is inserted between connecting plate 3 and the second screen body unit 2, in order to limit the second eccentric shaft 51 of position between connecting plate 3 and the second screen body unit 2, when the gap length needing adjustment first to shield between body unit 1 and the second screen body unit 2, the first eccentric shaft 41 and second can be allowed to shield body unit 2 relatively rotate and/or allow the second eccentric shaft 51 and first shield body unit 1 and relatively rotate, concrete employing three kinds of modes any, operator can be decided according to the actual requirements.
It should be noted that, in a preferred embodiment of the present invention, the first adjusting part 4 and/or the second adjusting part 5 can also in order to regulate the gap on upper and lower, the left and right directions between the first screen body unit 1 and the second screen body unit 2.Wherein, when regulating gap length with the first adjusting part 4, it is maintain static that the second adjusting part 5 and second shields between body unit 2, otherwise it is fixed that the first adjusting part 4 and first shields between body unit 1.It should be noted that, when rotating a certain eccentric shaft and making this eccentric shaft have a deflection angle, this eccentric shaft is in relative rotation with screen body unit corresponding thereto, and the center of the mating holes of connecting plate 3 and this eccentric shaft is changeless all the time relative to the spacing of connecting plate 3 or a certain position of screen body unit corresponding thereto, as when rotation first eccentric shaft 41 makes it have a deflection angle, in the process of rotating, the first eccentric shaft 41 and second shields body unit 2 is in relative rotation, but now the center of the mating holes of connecting plate 3 and the first eccentric shaft 41 is changeless relative to the spacing of a certain position in connecting plate 3 or the second screen body unit 2, this principle is also applicable to the second eccentric shaft 51.
It should be noted that, in whole slack adjuster, the most basic effect of first eccentric shaft 41 is the position that restriction connecting plate 3 and first shields between body unit 1, and Main Function is to use the first eccentric shaft 41 and connecting plate 3, the axle center of the mating part of the first screen body unit 1 has the characteristic of side-play amount, by rotating in process that the first eccentric shaft 41 makes it relative to original location deflection one angle, the center of the mating holes of connecting plate 3 and the first eccentric shaft 41 is changed relative to connecting plate 3 or with the second spacing of shielding a certain position of body unit 2, thus realize the stepless fine adjustment that screen body fixes gap between the first screen body unit 1 and the second screen body unit 2 in assembled process, specifically in a preferred embodiment of the present invention, the stepless fine adjustment of gap length up and down or on fore-and-aft direction will be realized, and then compensate part manufacturing tolerance, meet closely spaced assembled requirement between each screen body unit, the effect of the first eccentric shaft 41 and use the first eccentric shaft 41 to regulate the principle in gap, be applicable to the second eccentric shaft 51, thus, here repeat no more.
It should be noted that, by using this fixing assembled slack adjuster of many covers, achieve the stepless fine adjustment of fit clearance in all directions between each screen body unit, thus achieve the high-precision joining of whole LED screen body, and then improve the display effect of LED screen body.
Further, as shown in Fig. 2, Fig. 5 and Fig. 9, first adjusting part 4 also comprises and can shield body unit 1 with connecting plate 3 and/or first and be fixedly connected with, offer first of the first fastener hole 424 and regulate cushion block 42, understandably, first regulates cushion block 42 and connecting plate 3 to be fixed together separately, can also link together with connecting plate 3 and the first screen body unit 1 three simultaneously; As shown in Fig. 2 to Fig. 4, Fig. 9, second adjusting part 5 also comprises and can shield body unit 2 with connecting plate 3 and/or second and be fixedly connected with, offer second of the second fastener hole 524 and regulate cushion block 52, understandably, second regulates cushion block 52 and connecting plate 3 to be fixed together separately, can also link together with connecting plate 3 and the second screen body unit 2 three simultaneously.
It should be noted that, in whole adjustment process, for guaranteeing that each screen body unit is with being energy relative movement, thus, be not be in the state of being fixedly connected with between the adjustment cushion block that each screen body unit is same corresponding with it between the adjustment cushion block corresponding with it always.Also it should be noted that, regulating for ease of installing, in a preferred embodiment of the present invention, first regulates cushion block 42 and second to regulate the concrete structure of cushion block 52 to be consistent, and each feature is symmetrical substantially.
As shown in Figures 3 to 5, first regulates cushion block 42 to offer the first groove 421 that bottom land has gradient, cushion block 52 is regulated to offer the second groove 521 that bottom land has gradient with second, preferably, first groove 421 and the second groove 521 are " U " type groove, and the opening of the first groove 421 is by the sealing backside of the first screen body unit 1, the first groove 421 and first is made to shield the chamber that body unit 1 forms the sealing of the first adjusting part 4 jointly; The opening of the second groove 521 shields the sealing backside of body unit 2 by second, the second groove 521 and second is made to shield the chamber that body unit 2 forms the sealing of the second adjusting part 5 jointly, because each chamber is that Aspect Ratio is larger, thus can respectively as the first slideway of sealing and the second slideway, understandably, the first groove 421 and first shields body unit 1 and jointly forms the first slideway, and the second groove 521 and second shields body unit 2 and jointly forms the second slideway, wherein, the shape of concrete groove as shown in Figure 5.
As shown in Figure 3 and Figure 4, first movable block 49 is contained in the groove of first, second movable block 59 is contained in the second groove 521, wherein, the first movable block 49 is near the side of the first groove 421 bottom land and the bottom land of the first groove 421 matches, opposite side and first back side of shielding body unit 1 offset; Second movable block 59 is near the side of the second groove 521 bottom land and the bottom land of the second groove 521 matches, opposite side and second back side of shielding body unit 2 offset.
Understandably, the one side that the bottom land of the first movable block 49 and the first groove 421 offsets has gradient, and this gradient is identical with the gradient that the bottom land of the first groove 421 is opened, otherwise, the second movable block 59 is also suitable for.Therefore planting to arrange to make regulated quantity be the multiplication number of the numerical value of gradient, as each movable block is 1/50 with the gradient of each self-corresponding groove, for the first movable block 49, if the first movable block 49 moves 1mm along the first groove 421, then the frontal to the second screen body unit 2 is moved 0.02mm by the front of the first screen body unit 1, thus can realize the stepless fine adjustment in the Small Distance gap in the first screen body unit 1 and the second screen body unit 2 front well, concrete the large I opening gradient is decided according to the actual requirements.For guaranteeing the stability of regulated quantity, the maximum height of each movable block is less than or equal to the maximum groove depth of each self-corresponding groove, specifically as shown in Figure 4, when the second movable block 59 is positioned at the leftmost side of the groove of the second adjustment cushion block 52, second regulates cushion block 52 still to shield body unit 2 with second offsets, and the second movable block 59 is contained in the second groove 521 completely.
As shown in Figure 2 and Figure 9, the position between cushion block 42 and the first screen body unit 1 is regulated for ease of restriction connecting plate 3, first, or restriction connecting plate 3, second regulates the position between cushion block 52 and the second screen body unit 2, first adjusting part 4 and the second adjusting part 5 also comprise the first fixture 47, specifically in a preferred embodiment of the present invention, each first fixture 47 is screw.For ease of when installing or regulating gap, each adjustment cushion block can be fixedly connected with more firmly with each self-corresponding screen body unit, first adjusting part 4 and the second adjusting part 5 also comprise the second fixture 48 and the 3rd fixture 58 respectively, preferably, the second fixture 48 and the 3rd fixture 58 are screw.
Further, as shown in Figure 1 to Figure 4 and shown in Fig. 9, the first adjusting part 4 and the second adjusting part 5 also comprise the first impeller 43 and the second impeller 53 respectively; First adjustment cushion block 42 offers the first dowel hole 422 and the second dowel hole 423, second regulates cushion block 52 to offer triple bond slotted eye 522 and the 4th dowel hole 523; First impeller 43 can move along the first dowel hole 422 or the second dowel hole 423, and drives the first movable block 49 along the first groove 421 synchronizing moving; Second impeller 53 can move along triple bond slotted eye 522 or the 4th dowel hole 523, and drives the second movable block 59 along the second groove 521 synchronizing moving.
As shown in Figures 2 and 3, adjustment first shield body unit 1 and second screen body unit 2 front mutually concordant before, usually, operator thinks that the thickness of two screen body units is consistent, now, the first impeller 43 is located at the second dowel hole 423, also namely first regulates on the dowel hole on the right side of cushion block 42, and the second impeller 53 is located at triple bond slotted eye 522, also namely second regulate on the dowel hole in the left side of cushion block 52.
If after installing this device, operator finds that the thickness size of the second screen body unit 2 is less than the thickness size of the first screen body unit 1, in a preferred embodiment of the present invention, operator then manually can promote the second impeller 53 and to turn right movement, to drive the second movable block 59 synchronizing moving, after the second impeller 53 has run the stroke of triple bond slotted eye 522, operator manually can take off the second impeller 53, and the second impeller 53 is located in the 4th dowel hole 523, promote the second impeller 53 again to continue to move along equidirectional in the 4th dowel hole 523, as shown in Figure 4, be the state diagram of the second impeller 53 at the 4th dowel hole 523 low order end, understandably, second impeller 53 promote total kilometres that the second movable block 59 completes be its equidirectional in triple bond slotted eye 522 and the 4th dowel hole 523 on stroke sum, in a word, by promoting the second movable block 59, it is allowed to slide along the second slideway, the front snap of just shielding body unit 1 towards first that body unit 2 is shielded in adjustment second can be realized, and the regulated quantity of compensation thickness error on the fore-and-aft direction adjusted is A, wherein, this regulated quantity A is the multiple of groove amount of taper.Otherwise the mutually concordant principle in the front of body unit is shielded in the adjustment two of the second adjusting part 5, is also applicable to the first adjusting part 4, repeats no more here.
The incline direction of the gradient of the groove that cushion block 42 and the second adjustment cushion block 52 are offered is regulated for ease of auxiliary judgement first, first regulates cushion block 42 and second to regulate cushion block 52 to be equipped with sign 426, and this sign 426 can for playing arbitrarily the mark of mark action.Specifically in the preferred embodiment, as shown in Figure 2, each sign 426 is arranged near the impeller of the correspondence of each adjustment cushion block, and each sign 426 is an aperture.
Further, in a preferred embodiment of the present invention, promote the first impeller 43 for ease of operator and allow the first impeller 43 synchronously drive the movable block of its correspondence to move, when the first impeller 43 is located at the first dowel hole 422, the first dowel hole 422 is stretched out in one end of first impeller 43, the other end is through the first dowel hole 422, and be fixedly connected with the first movable block 49, when being located at the second dowel hole 423, the second dowel hole 423 is stretched out in one end of first impeller 43, the other end through the second dowel hole 423, and is fixedly connected with the first movable block 49.
In like manner, promote the second impeller 53 for ease of operator and allow the second impeller 53 synchronously drive the second movable block 59 to move, when the second impeller 53 is located at triple bond slotted eye 522, triple bond slotted eye 522 is stretched out in one end of second impeller 53, the other end is through triple bond slotted eye 522, and be fixedly connected with the second movable block 59, when being located at the 4th dowel hole 523, the 4th dowel hole 523 is stretched out in one end of second impeller 53, the other end through the 4th dowel hole 523, and is fixedly connected with the second movable block 59.
Further, except the method for each movable block movement of above-mentioned promotion, a preferred embodiment of the present invention additionally provides the mode that another promotes each movable block movement, as shown in Fig. 1 and Fig. 9, first adjusting part 4 also comprises intermeshing first gear shaft 44 with the first movable block 49, wherein, the first gear shaft 44 can drive the first movable block 49 to move along the first groove 421; Second adjusting part 5 also comprises intermeshing second gear shaft 54 with the second movable block 59, and wherein, the second gear shaft 54 can drive the second movable block 59 to move along the second groove 521.
Obviously, this kind is arranged can also be convenient to control more accurately the first movable block 49 and the second movable block 59 respectively along the distance of the first groove 421 and the second groove 521 movement, for the first gear shaft 44, if the reference diameter of the first gear shaft 44 is d, then the first gear shaft 44 often rotates a circle, the distance then driving the first movable block 49 movement is π d, thus makes the distance of each movable block movement have certain foundation, instead of only according to the experience of operator.
Further, for ease of realizing the another way of each movable block of above-mentioned promotion, as illustrated in figures 1 and 8, the side of the first movable block 49 and the second movable block 59 is equipped with sawtooth 491, connecting plate 3 offers the first adjustment hole 31 and the second adjustment hole 32, first screen body unit 1 and the second screen body unit 2 and offers the first displacement aperture 11 and the second displacement aperture 21 respectively; One end of first gear shaft 44 is contained in the first adjustment hole 31, and the other end is arranged in the first displacement aperture 11, and the middle part of the first gear shaft 44 is engaged with the sawtooth 491 of the first movable block 49; One end of second gear shaft 54 is contained in the second adjustment hole 32, and the other end is arranged in the second displacement aperture 21, and the middle part of the second gear shaft 54 is engaged with the sawtooth 491 of the second movable block 59.Understandably, operator can carry out stubborn first gear shaft 44 from the first adjustment hole 31 of connecting plate 3, makes it rotate, and drive with this and slide along the first slideway with the first movable block 49, this principle is applicable to the second gear shaft 54, repeats no more here.
Further, for ease of in the process of deflection angle regulating each eccentric shaft, limit the centre-to-centre spacing of fixing between the first eccentric shaft 41 and the second eccentric shaft 51, and can effectively implement for the rotational action guaranteeing eccentric shaft, connecting plate 3 offers the first waist hole 33 and the second waist hole 34, wherein, first eccentric shaft 41 is in turn through the first waist hole 33 and the first fastener hole 424, and be inserted in the first screen body unit 1, but do not penetrate the first screen body unit 1, second eccentric shaft 51 is in turn through the second waist hole 34 and the second fastener hole 524, and be inserted in the second screen body unit 2, but do not penetrate the second screen body unit 2, it should be noted that, each waist hole does not limit.
Further, as shown in Figures 9 to 11, first eccentric shaft 41 and the second eccentric shaft 51 include be connected in turn auxiliary section 511, fixed part 512 and offset portion 513, wherein, each auxiliary section 511 and fixed part 512 concentric corresponding with it, the axis deviation of each offset portion 513, in the axle center of the auxiliary section 511 corresponding with it and fixed part 512, is also, there is an offset P in each offset portion 513, this offset P is less than 0.5mm usually respectively and between each self-corresponding auxiliary section 511 and fixed part 512.
Again as shown in Figures 9 to 11, the fixed part 512 of the first eccentric shaft 41 and offset portion 513 lay respectively in the first fastener hole 424 and the first waist hole 33, the first screen body unit 1 is located in its auxiliary section 511, in order to be fixedly connected with the first eccentric shaft 41 and the first screen body unit 1, wherein, be preferably screw thread to be fixedly connected with; The fixed part 512 of the second eccentric shaft 51 and offset portion 513 lay respectively in the second fastener hole 524 and the second waist hole 34, and the second screen body unit 2 is located in its auxiliary section 511, are preferably screw thread and are fixedly connected with.It should be noted that, for ease of installing quickly, the first eccentric shaft 41 is all consistent with each specific features of the second eccentric shaft 51.
Further, as shown in Figure 1, Figure 2 and shown in Fig. 9, first adjusting part 4 and the second adjusting part 5 also comprise the first side direction securing member 45 and the second side direction securing member 55 respectively, first regulates the sidewall of cushion block 42 to offer the first connecting hole 425 communicated with the first fastener hole 424, second regulates the sidewall of cushion block 52 to offer the second connecting hole 525 communicated with the second fastener hole 524, preferably, the first connecting hole 425 and the second connecting hole 525 are screwed hole; For ease of the first eccentric shaft 41 is fixed on the first screen body unit 1, first side direction securing member 45 offsets through the fixed part 512 of the first connecting hole 425 and the first eccentric shaft 41, for ease of being fixed on the second screen body unit 2 by the second eccentric shaft 51, the second side direction securing member 55 offsets through the fixed part 512 of the second connecting hole 525 and the second eccentric shaft 51.It should be noted that, in the process in gap regulating adjacent two screen body units, to rotate the first eccentric shaft 41, then should first the first side direction securing member 45 be unclamped to guarantee that the first eccentric shaft 41 can rotate, this principle is also suitable for for the second eccentric shaft 51, will repeat no more at this.
Further, as shown in Figure 1, for ease of rotating in the process regulating each eccentric shaft, the reference of deflection angle is provided to indicate to operator, with the inflection point of each eccentric shaft of enable direct range estimation, connecting plate 3 is provided with two scale marks 35, and each scale mark 35 is evenly arranged respectively centered by the end of the first eccentric shaft 41 and the second eccentric shaft 51, also namely, around the surrounding in each self-corresponding waist hole in being evenly arranged.
Further, for ease of regulating each eccentric shaft, wherein, first eccentric shaft 41 and the second eccentric shaft 51 are also equipped with free end 514, offset portion 513 concentric that each free end 514 is corresponding with it, as shown in Figure 9, in a preferred embodiment of the present invention, for ease of the eccentric direction judging each eccentric shaft direct in each eccentric shaft rotary course or after fixing assembled completing, the free end 514 of each eccentric shaft all offers direction signs 5143, wherein, all directions mark 5143 can for playing arbitrarily the mark of mark action, specifically in a preferred embodiment of the present invention, all directions mark 5143 is a slotted eye.
As shown in Figure 1, Figure 2 and shown in Fig. 6, for ease of each eccentric shaft being more firmly fixedly connected on connecting plate 3, the adjustment cushion block of each correspondence and the screen body unit of each correspondence, first adjusting part 4 and the second adjusting part 5 also comprise the first hold-down nut 46 and the second hold-down nut 56 respectively, in order to be set in the free end 514 of the eccentric shaft of each correspondence.As shown in Figure 6, the free end 514 of each eccentric shaft includes connecting portion 5141 and rotation section 5142, and each connecting portion 5141 is connected with the offset portion 513 corresponding with it, and all directions mark 5143 is all arranged on each self-corresponding rotation section 5142.
As shown in figs. 1 and 12, in a preferred embodiment of the present invention, for making the process of each eccentric shaft of rotation more stable, the free end 514 that this device adopts an eccentric shaft regulating part 8 to be sheathed on the first eccentric shaft 41 rotates in order to regulate the first eccentric shaft 41, or the free end 514 being sheathed on the second eccentric shaft 51 rotates in order to regulate the second eccentric shaft 51, wherein, this eccentric shaft regulating part 8 comprises limiting section 81 and instruction unit 82, wherein, in adjustment process, instruction unit 82 and connecting plate 3 offset, for ease of indicating eccentric shaft regulating part 8 rotational angle better, the periphery wall of instruction unit 82 offers angle mark 820, preferably, as shown in figure 12, a longitudinal fluting is offered in instruction unit 82, to identify 820 as angle, obviously, in adjustment process, operator directly can judge the deflection angle of each eccentric shaft intuitively by right scale marker of checking this groove.
As shown in figure 12, for ease of the free end 514 of sheathed each eccentric shaft, and drive each free end 514 synchronous axial system, the limiting section 81 of this eccentric shaft regulating part 8 offers spacing hole 810, wherein, this spacing hole 810 is suitable with the rotation section 5142 of the free end 514 of each eccentric shaft.
It should be noted that, because the first eccentric shaft 41 is identical with the gap adjustment principle of the second eccentric shaft 51, only for the first eccentric shaft 41, gap adjustment principle of the present invention will be set forth herein.As is illustrated by figs. 11 and 12, because the offset portion 513 in each eccentric shaft all has an offset P with auxiliary section 511 and fixed part 512, and each eccentric shaft is in the process not deflecting or deflect, for the first eccentric shaft 41, the mating holes center of connecting plate 3 and the first eccentric shaft 41 and connecting plate 3 or the second spacing of shielding a certain position of body unit 2 are changeless all the time, for simplicity, can embody by connecting plate 3 and the mating holes center of the first eccentric shaft 41 and the spacing between connecting plate 3 and the mating holes center of the second eccentric shaft 51, as is illustrated by figs. 11 and 12, this spacing is H.
As shown in figure 12, such as, when first eccentric shaft 41 is rotated counterclockwise a deflection angle K, the fixed part 512 of the first eccentric shaft 41 and the cooperation center of connecting plate 3 change, the cooperation center of the fixed part 512 of connecting plate 3 and the first eccentric shaft 41 is changed with the spacing between center that coordinates of connecting plate 3 and the second eccentric shaft 51, this adjustment gap is made to be D, wherein, D=P*sinK, make the first screen body unit 1 adjustment one clearance D downwards, in like manner, if by the first eccentric shaft 41 along deflecting an angle K clockwise, then, regulate clearance D=P*sinK, the first screen body unit 1 is made to adjust upward a clearance D, thus realization screen body is fixed in assembled process, the stepless fine adjustment in gap between each screen body unit.Usually, the offset P of each eccentric shaft arranges less, as 0.3, if the offset P=0.3 of the first eccentric shaft 41, then can realize the stepless fine adjustment coordinating the distance between center to occur within the scope of 0.6mm coordinating center and connecting plate 3 and the second eccentric shaft 51 of the fixed part 512 of the first eccentric shaft 41 and connecting plate 3.Otherwise these Principles of Regulation are also suitable for for the second eccentric shaft 51.
It should be noted that, in the gap adjustment process of the adjacent two screen body units of reality, arbitrary of can only use in the first eccentric shaft 41 or the second eccentric shaft 51 regulates gap, also can apply the first eccentric shaft 41 and the second eccentric shaft 51 to coordinate adjustment simultaneously, in such cases, remain a wherein eccentric shaft to rotate, another root is motionless, and then regulate transferring, only, adjustment gap is now the vector of displacement between the first screen body unit 1 of twice adjustment and the second screen body unit 2, final adjustment clearance D as shown in figure 11, be D=H-H1.
A kind of LED display system is additionally provided in a preferred embodiment of the present invention, this LED display system comprises several LED screen body unit, and two adjacent LED screen body unit are provided with above-mentioned screen body fixes assembled slack adjuster, understandably, several LED screen body unit are fixed assembled by multiple above-mentioned slack adjuster by this LED display system, as shown in figure 13, as being spliced by LED screen body unit A, LED screen body unit B, LED screen body unit C, LED screen body cells D.
To be assemblied into example between LED screen body unit A and LED screen body unit B, as shown in figure 13, because of when mounted, regardless of the thickness size of each LED screen body unit, thus, for convenience of introducing, LED screen body unit A is called that above-mentioned screen body fixes the first screen body unit 1 in assembled slack adjuster herein, LED screen body unit B is called the second screen body unit 2, if the thickness of LED screen body unit A is less than the thickness of LED screen body unit B, then should regulate the first adjusting part 4 of the above-mentioned slack adjuster installed between LED screen body unit A and LED screen body unit B, to make the front just towards LED screen body unit B of LED screen body unit A mutually concordant, otherwise, then regulate the second adjusting part 5, stepless fine adjustment two LED screen body unit gap is in the longitudinal direction come with this.In such cases, operator also by regulating the eccentric shaft on the arbitrary adjusting part in this device, or comes between stepless fine adjustment LED screen body unit A and LED screen body unit B in upper and lower gap upwards with two eccentric shafts simultaneously.
Again as shown in figure 13, regulate with the another set of device identical with above-mentioned slack adjuster, only this covering device is compared when mounted and originally should be adjusted 90 degree of installations, to be assemblied into example between LED screen body unit B and LED screen body unit C, in such cases, this slack adjuster is mainly in order to regulate LED screen body unit B mutually concordant with the front of LED screen body unit C, and in order to stepless fine adjustment two LED screen body unit on a left side, gap in right direction, therefore, screen body provided by the invention fixes assembled slack adjuster can complete front and back, gap stepless fine adjustment up and down and on left and right directions.
It should be noted that, as shown in figure 13, in the fixing assembled process of LED display system, for guaranteeing the stability of closely spaced stepless fine adjustment between each LED screen body unit, can fixedly mount between two LED screen body unit multiple equidirectional on above-mentioned screen body fix assembled slack adjuster.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model.For a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within right of the present utility model.
Claims (12)
1. shield body and fix assembled slack adjuster, in order to the gap length between the adjacent screen body unit of adjusting screen body unit, it is characterized in that: the connecting plate comprising the back side being located at the first screen body unit and the second screen body unit, the second adjusting part be located at the first adjusting part between described first screen body unit and described connecting plate and be located between described second screen body unit and described connecting plate;
Described first adjusting part comprises the first movable block and is provided with the first slideway, the front snap of just shielding body unit towards described second that described first movable block slides along described first slideway to promote described first screen body unit; Described second adjusting part comprises the second movable block and is provided with the second slideway, the front snap of just shielding body unit towards described first that described second movable block slides along described second slideway to promote described second screen body unit;
Described first adjusting part also comprises and being inserted between described connecting plate and described first screen body unit, in order to limit the first eccentric shaft of position between described connecting plate and described first screen body unit, and described first eccentric shaft can and described second shield body unit and relatively rotates to regulate described first to shield body unit and described second to shield gap length between body unit;
Described second adjusting part also comprises and being inserted between described connecting plate and described second screen body unit, in order to limit the second eccentric shaft of position between described connecting plate and described second screen body unit, and described second eccentric shaft can and described first shield body unit and relatively rotates to regulate described first to shield body unit and described second to shield gap length between body unit.
2. screen body as claimed in claim 1 fixes assembled slack adjuster, it is characterized in that: described first adjusting part also comprises and can shield body unit with described connecting plate and/or described first and be fixedly connected with, offer first of the first fastener hole and regulate cushion block; Second adjusting part also comprises and can shield body unit with described connecting plate and/or described second and be fixedly connected with, offer second of the second fastener hole and regulate cushion block; Described first regulates cushion block to offer the first groove that bottom land has gradient, described second regulates cushion block to offer the second groove that bottom land has gradient, described first groove and described first shields body unit and jointly forms described first slideway, and described second groove and described second shields body unit and jointly forms described second slideway; Described first movable block is contained in described first groove, described second movable block is contained in described second groove, and described first movable block is near the side of described first groove bottom land and the bottom land of described first groove matches, opposite side and described first back side of shielding body unit offset; Described second movable block is near the side of described second groove bottom land and the bottom land of described second groove matches, opposite side and described second back side of shielding body unit offset.
3. screen body as claimed in claim 2 fixes assembled slack adjuster, it is characterized in that: described first adjusting part and described second adjusting part also comprise the first impeller and the second impeller respectively; Described first regulates cushion block to offer the first dowel hole and the second dowel hole, and described second regulates cushion block to offer triple bond slotted eye and the 4th dowel hole; Described first impeller can move along described first dowel hole or described second dowel hole, and drives described first movable block to move along described first groove synchronous; Described second impeller can move along described triple bond slotted eye or described 4th dowel hole, and drives described second movable block to move along described two groove synchronous.
4. screen body as claimed in claim 3 fixes assembled slack adjuster, it is characterized in that: described first dowel hole or described second dowel hole are stretched out in one end of described first impeller, the other end through described first dowel hole or described second dowel hole, and is fixedly connected with described first movable block; Described triple bond slotted eye or described 4th dowel hole are stretched out in one end of described second impeller, and the other end through described triple bond slotted eye or described 4th dowel hole, and is fixedly connected with described second movable block.
5. screen body fixes assembled slack adjuster as claimed in claim 2 or claim 3, it is characterized in that: described first adjusting part also comprises first gear shaft intermeshing with described first movable block, described first gear shaft can drive described first movable block to move along the first groove, described second adjusting part comprises second gear shaft intermeshing with described second movable block, and described second gear shaft can drive described second movable block to move along described second groove.
6. screen body as claimed in claim 5 fixes assembled slack adjuster, it is characterized in that: the side of described first movable block and described second movable block is equipped with sawtooth, described connecting plate offers the first adjustment hole and the second adjustment hole, and described first screen body unit and described second screen body unit offer the first displacement aperture and the second displacement aperture respectively; One end of described first gear shaft is contained in described first adjustment hole, and the other end is arranged in described first displacement aperture, and the described engagement of the middle part of described first gear shaft and described first movable block; One end of described second gear shaft is contained in described second adjustment hole, and the other end is arranged in described second displacement aperture, and the described engagement of the middle part of described second gear shaft and described second movable block.
7. screen body as claimed in claim 6 fixes assembled slack adjuster, it is characterized in that: described connecting plate offers the first waist hole and the second waist hole of the centre-to-centre spacing limited between fixing described first eccentric shaft and described second eccentric shaft; Described first eccentric shaft in turn through described first waist hole and described first fastener hole, and is inserted in described first screen body unit, and described second eccentric shaft in turn through described second waist hole and described second fastener hole, and is inserted in described second screen body unit.
8. screen body as claimed in claim 7 fixes assembled slack adjuster, it is characterized in that: described first eccentric shaft and described second eccentric shaft include be connected in turn auxiliary section, fixed part and offset portion, each described auxiliary section and the described fixed part concentric corresponding with it, the axis deviation of each described offset portion is in the axle center of the described auxiliary section corresponding with it and described fixed part; The described fixed part of described first eccentric shaft and described offset portion lay respectively in described first fastener hole and described first waist hole, and the described fixed part of described second eccentric shaft and described offset portion lay respectively in described second fastener hole and described second waist hole.
9. screen body as claimed in claim 8 fixes assembled slack adjuster, it is characterized in that: described first adjusting part and described second adjusting part also comprise the first side direction securing member and the second side direction securing member respectively, described first regulates the sidewall of cushion block to offer the first connecting hole communicated with described first fastener hole, and described second regulates the sidewall of cushion block to offer the second connecting hole communicated with described second fastener hole; Described first side direction securing member offsets through the described fixed part of described first connecting hole and described first eccentric shaft and shields on body unit so that described first eccentric shaft is fixed on described first, and the described fixed part that described second side direction securing member passes described second connecting hole and described second eccentric shaft offsets and to shield on body unit so that described second eccentric shaft is fixed on described second.
10. screen body as claimed in claim 9 fixes assembled slack adjuster, it is characterized in that: described connecting plate is provided with two scale marks for indicating the deflection angle regulating described first eccentric shaft and described second eccentric shaft respectively, each described scale mark is evenly arranged respectively centered by the end of described first eccentric shaft and described second eccentric shaft.
11. shield body as claimed in claim 10 fixes assembled slack adjuster, it is characterized in that: described first eccentric shaft and described second eccentric shaft are also equipped with free end, the described offset portion concentric that each described free end is corresponding with it, and all offer direction signs in order to directly to judge the eccentric direction of each self-corresponding eccentric shaft.
12.LED display system, comprises some LED screen body unit, it is characterized in that: the screen body that LED screen body unit described in adjacent two is provided with as described in any one of claim 1 to 11 fixes assembled slack adjuster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420453585.8U CN204148842U (en) | 2014-08-12 | 2014-08-12 | Screen body fixes assembled slack adjuster and LED display system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420453585.8U CN204148842U (en) | 2014-08-12 | 2014-08-12 | Screen body fixes assembled slack adjuster and LED display system |
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| Publication Number | Publication Date |
|---|---|
| CN204148842U true CN204148842U (en) | 2015-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420453585.8U Withdrawn - After Issue CN204148842U (en) | 2014-08-12 | 2014-08-12 | Screen body fixes assembled slack adjuster and LED display system |
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| CN (1) | CN204148842U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104175116A (en) * | 2014-08-12 | 2014-12-03 | 深圳市奥拓电子股份有限公司 | LED display system, gap adjusting device for fixing and assembling screen bodies and adjusting method |
| EP3113161A4 (en) * | 2015-05-06 | 2017-06-28 | Glux Visual Effects Tech (Shenzhen) Co., Ltd. | Variable led display screen |
| WO2017215190A1 (en) * | 2016-06-17 | 2017-12-21 | 深圳市奥拓电子股份有限公司 | Assembly mechanism and led display screen |
| CN107610601A (en) * | 2017-10-26 | 2018-01-19 | 利亚德电视技术有限公司 | Display screen |
| FR3060188A1 (en) * | 2016-12-12 | 2018-06-15 | Jean-Claude Mootoo | LED DISPLAY PANEL. |
| CN110969948A (en) * | 2018-09-28 | 2020-04-07 | 乐金显示有限公司 | Gap adjusting device of multi-display and multi-display with same |
| CN113450660A (en) * | 2020-04-09 | 2021-09-28 | 重庆康佳光电技术研究院有限公司 | Adjusting mechanism of spliced display screen and spliced display device |
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2014
- 2014-08-12 CN CN201420453585.8U patent/CN204148842U/en not_active Withdrawn - After Issue
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104175116A (en) * | 2014-08-12 | 2014-12-03 | 深圳市奥拓电子股份有限公司 | LED display system, gap adjusting device for fixing and assembling screen bodies and adjusting method |
| EP3113161A4 (en) * | 2015-05-06 | 2017-06-28 | Glux Visual Effects Tech (Shenzhen) Co., Ltd. | Variable led display screen |
| JP2017518520A (en) * | 2015-05-06 | 2017-07-06 | 深▲せん▼金立翔視效科技有限公司 | Variable LED display screen |
| RU2660626C2 (en) * | 2015-05-06 | 2018-07-06 | Глакс Вижуэл Эффектс Тек(Шэньчжэнь) Ко., Лтд. | Changing led display screen |
| WO2017215190A1 (en) * | 2016-06-17 | 2017-12-21 | 深圳市奥拓电子股份有限公司 | Assembly mechanism and led display screen |
| FR3060188A1 (en) * | 2016-12-12 | 2018-06-15 | Jean-Claude Mootoo | LED DISPLAY PANEL. |
| CN107610601A (en) * | 2017-10-26 | 2018-01-19 | 利亚德电视技术有限公司 | Display screen |
| CN107610601B (en) * | 2017-10-26 | 2024-04-30 | 利亚德电视技术有限公司 | Display screen |
| CN110969948A (en) * | 2018-09-28 | 2020-04-07 | 乐金显示有限公司 | Gap adjusting device of multi-display and multi-display with same |
| CN110969948B (en) * | 2018-09-28 | 2022-03-11 | 乐金显示有限公司 | Gap adjusting device of multi-display and multi-display with same |
| CN113450660A (en) * | 2020-04-09 | 2021-09-28 | 重庆康佳光电技术研究院有限公司 | Adjusting mechanism of spliced display screen and spliced display device |
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