CN212106483U - Fine adjustment device and LED display screen with same - Google Patents
Fine adjustment device and LED display screen with same Download PDFInfo
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- CN212106483U CN212106483U CN202020495570.3U CN202020495570U CN212106483U CN 212106483 U CN212106483 U CN 212106483U CN 202020495570 U CN202020495570 U CN 202020495570U CN 212106483 U CN212106483 U CN 212106483U
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Abstract
The application discloses a fine adjustment device and an LED display screen with the fine adjustment device, wherein the fine adjustment device is used for fixing a first object to be fixed and a second object to be fixed, and comprises a first fixing shaft and a second fixing shaft; the outer side wall of the first fixed shaft is provided with a first external thread, and the first end of the first fixed shaft is provided with a blocking part; a first through hole and a second through hole which extend along the axial direction of the second fixing shaft are arranged in the second fixing shaft, a second external thread is arranged on the outer wall of the second fixing shaft, an internal thread is arranged on the side wall of the first through hole, and the cross section of the second through hole is non-circular; the second fixing shaft is in threaded connection with a second object to be fixed through a second external thread, and the second end of the first fixing shaft can penetrate through the first object to be fixed and is in threaded connection with the inner wall of the second fixing shaft through an internal thread. The fine adjustment device can realize the accurate connection of a first object to be fixed and a second object to be fixed, realize the accurate connection between the LED unit box bodies and improve the viewing experience.
Description
Technical Field
The application relates to the technical field of display, in particular to a fine adjustment device and an LED display screen with the same.
Background
With the development of LED display technology and the promotion of the market demand of display application, the high-density and high-definition LED display screen becomes a new favorite in the market.
The LED display screen is visual and convenient to display, and is widely applied to advertisement exhibition. The field of LED display screens, in particular to the field of indoor LED display screens. When two liang of concatenations of LED unit box of LED display screen, the lock is connected in the majority adoption, and these are connected the lock and are just connected two LED unit boxes, and the gap in the middle of it is by box roughness control completely, if the roughness is relatively poor, two adjacent LED display screens link together, but obvious gap can appear, very obviously can see out when playing whole picture, and the impression is watched in very much influence.
In view of the above, overcoming the deficiencies of the prior art is an urgent problem in the art.
SUMMERY OF THE UTILITY MODEL
The technical problem mainly solved by the application is to provide a fine adjustment device and an LED display screen with the fine adjustment device, wherein a second fixed shaft of the fine adjustment device is in threaded connection with a second object to be fixed through a second external thread, a second end of a first fixed shaft can penetrate through the first object to be fixed and is in threaded connection with the inner wall of the second fixed shaft through an internal thread, the second fixed shaft can be screwed to a preset position of the second object to be fixed according to requirements, then the first fixed shaft can axially move relative to the second fixed shaft through rotating a blocking part, so that the first object to be fixed and the second object to be fixed are preliminarily fastened and adjusted, if the requirements cannot be met, a tool is used for carrying out secondary adjustment on the second fixed shaft, the second fixed shaft is pushed out or pushed in for fine adjustment, so that the accurate connection of the first object to be fixed and the second object to be fixed can be accurately connected, and the accurate connection, the viewing experience is improved.
In order to solve the technical problem, the application adopts a technical scheme that: providing a fine adjustment device, wherein the fine adjustment device is used for fixing a first object to be fixed and a second object to be fixed,
the fine adjustment device comprises a first fixing shaft and a second fixing shaft;
the outer side wall of the first fixing shaft is provided with a first external thread, and the first end of the first fixing shaft is provided with a blocking part;
a first through hole and a second through hole which extend along the axial direction of the second fixing shaft are formed in the second fixing shaft, a second external thread is arranged on the outer wall of the second fixing shaft, an internal thread is arranged on the side wall of the first through hole, and the cross section of the second through hole is non-circular;
the second fixing shaft is in threaded connection with the second object to be fixed through the second external threads, and the second end of the first fixing shaft can penetrate through the first object to be fixed and is in threaded connection with the inner wall of the second fixing shaft through the internal threads.
Wherein a pitch of the internal thread is different from a thread pitch of the second external thread.
Wherein a pitch of the internal threads is smaller than a thread pitch of the second external threads.
Wherein the cross section of the second through hole is any one of a hexagon, a quadrangle and a triangle.
The cross section area of the blocking part is larger than that of the first fixing shaft, and the cross section of the blocking part is any one of a circle, a hexagon and a triangle.
And any one of a cross-shaped groove, a straight-line-shaped groove and a hexagonal groove is arranged on the outer end face of the blocking part.
The edge of one end, provided with the first through hole, of the second fixing shaft is provided with at least two tooth sockets.
In order to solve the above technical problem, another technical solution adopted by the present application is: an LED display screen is provided, which comprises the fine adjustment device.
The LED display screen comprises at least two LED unit boxes, wherein each LED unit box comprises a bottom plate and a side plate arranged on the edge of the bottom plate in a surrounding mode, threaded holes are formed in the side plates, and the two adjacent LED unit boxes are connected through a fine adjustment device.
The at least two LED unit boxes comprise a first LED unit box and a second LED unit box which are arranged adjacently, the second fixing shaft and the second LED unit box are in threaded connection through the second external threads and the threaded holes in the second LED unit box, and the second end of the first fixing shaft can penetrate through the threaded holes in the first LED unit box and is in threaded connection with the inner wall of the second fixing shaft through the threaded holes in the second LED unit box.
The beneficial effect of this application is: different from the prior art, the application provides a fine adjustment device, which is used for fixing a first object to be fixed and a second object to be fixed, and comprises a first fixing shaft and a second fixing shaft; the outer side wall of the first fixed shaft is provided with a first external thread, and the first end of the first fixed shaft is provided with a blocking part; a first through hole and a second through hole which extend along the axial direction of the second fixing shaft are arranged in the second fixing shaft, a second external thread is arranged on the outer wall of the second fixing shaft, an internal thread is arranged on the side wall of the first through hole, and the cross section of the second through hole is non-circular; the second fixing shaft is in threaded connection with a second object to be fixed through a second external thread, and the second end of the first fixing shaft can penetrate through the first object to be fixed and is in threaded connection with the inner wall of the second fixing shaft through an internal thread. This micromatic setting can be earlier according to the demand with the second fixed axle precession to the second treat the preset position of fixture, then make the relative second fixed axle of first fixed axle extend its axial displacement through rotatory stop part, thereby preliminary fastening and regulation first treat fixture and second and treat the fixture, if unable satisfying the demand, carry out the secondary regulation with the instrument to the second fixed axle, release or push the second fixed axle, finely tune, thereby can realize that first treat the fixture and the second treat the accurate of fixture and connect, realize the accurate of LED unit box between the body and connect, improve and watch the impression.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic cross-sectional view structure diagram of an embodiment of a fine adjustment apparatus according to the present disclosure;
FIG. 2 is a schematic structural diagram of a second fixed shaft in an embodiment of a fine adjustment apparatus provided in the present application;
FIG. 3 is a schematic cross-sectional view of a second fixed shaft in an embodiment of a fine adjustment apparatus provided in the present application;
FIG. 4 is a schematic side view of a second fixed shaft in an embodiment of a fine adjustment apparatus provided in the present application;
FIG. 5 is a schematic structural diagram of an embodiment of an LED display screen provided in the embodiments of the present application;
fig. 6 is a schematic structural diagram of a fine adjustment device in an embodiment of an LED display screen provided in the present application, where the fine adjustment device is connected to a first LED unit box and a second LED unit box;
fig. 7 is a schematic perspective structural diagram of a fine adjustment device in an embodiment of an LED display screen provided in the present application, where the fine adjustment device is connected to a first LED unit box and a second LED unit box;
FIG. 8 is a schematic view of a portion of the fine adjustment device of FIG. 7;
FIG. 9 is a schematic view of the fine adjustment device of FIG. 7 with the second fixing shaft screwed into the case of the second LED unit;
fig. 10 is a schematic structural view of the fine adjustment device of fig. 7 when the first fixed shaft is screwed into the second fixed shaft.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, the word "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the application. In the following description, details are set forth for the purpose of explanation. It will be apparent to one of ordinary skill in the art that the present application may be practiced without these specific details. In other instances, well-known structures and processes are not set forth in detail in order to avoid obscuring the description of the present application with unnecessary detail. Thus, the present application is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.
The embodiment of the application provides a fine adjustment device, which is used for fixing a first object to be fixed and a second object to be fixed, and comprises a first fixing shaft and a second fixing shaft; the outer side wall of the first fixed shaft is provided with a first external thread, and the first end of the first fixed shaft is provided with a blocking part; a first through hole and a second through hole which extend along the axial direction of the second fixing shaft are arranged in the second fixing shaft, a second external thread is arranged on the outer wall of the second fixing shaft, an internal thread is arranged on the side wall of the first through hole, and the cross section of the second through hole is non-circular; the second fixing shaft is in threaded connection with a second object to be fixed through a second external thread, and the second end of the first fixing shaft can penetrate through the first object to be fixed and is in threaded connection with the inner wall of the second fixing shaft through an internal thread. The following are detailed below.
Referring to fig. 1 to 4, fig. 1 is a schematic cross-sectional view structure diagram of an embodiment of a fine adjustment device provided in the present application; FIG. 2 is a schematic structural diagram of a second fixed shaft in an embodiment of a fine adjustment apparatus provided in the present application; FIG. 3 is a schematic cross-sectional view of a second fixed shaft in an embodiment of a fine adjustment apparatus provided in the present application; fig. 4 is a schematic side view of a second fixing shaft in an embodiment of a fine adjustment device according to the present application.
In the embodiment of the application, the fine adjustment device 10 is used for fixing a first object to be fixed and a second object to be fixed, and the fine adjustment device 10 comprises a first fixed shaft 11 and a second fixed shaft 12; the outer side wall of the first fixed shaft 11 is provided with a first external thread 111, and the first end of the first fixed shaft 11 is provided with a blocking part 112; a first through hole 122 and a second through hole 123 extending along the axial direction of the second fixing shaft 12 are arranged in the second fixing shaft 12, a second external thread 121 is arranged on the outer wall of the second fixing shaft 12, an internal thread 124 is arranged on the side wall of the first through hole 122, and the cross section of the second through hole 123 is non-circular; the second fixing shaft 12 is screw-coupled with the second object-to-be-fixed by the second external screw 121, and the second end of the first fixing shaft 11 passes through the first object-to-be-fixed and is screw-coupled with the inner wall of the second fixing shaft 12 by the internal screw 124.
In the present embodiment, the pitch of the internal thread 124 is different from the pitch of the second external thread 121. The interval of the internal thread 124 is different from the thread interval of the second external thread 121, so that the adjustment accuracy of the first fixing shaft 11 and the second fixing shaft 12 is different, the matching of two kinds of accuracy is realized, and the quick adjustment and the accurate adjustment are both considered.
In a preferred embodiment, the pitch of the internal threads 124 is less than the pitch of the second external threads 121. That is, the first fixing shaft 11 has high adjustment accuracy, so that the distance between the first object to be fixed and the second object to be fixed can be accurately adjusted. The second external thread 121 of the second fixing shaft 12 has a large interval, so that the second external thread 121 can be screwed into the second object to be fixed quickly.
Of course, in other embodiments, the pitch of the internal threads 124 may be greater than the pitch of the second external threads 121, which is not limited in this application.
Further, the cross section of the second through hole 123 is any one of a hexagon, a quadrangle, and a hexagon. Preferably, the second through-hole 123 has a hexagonal cross-section, so that the second stationary shaft 12 can be rotated by inserting a relatively conventional hexagonal screwdriver into the second through-hole 123.
Further, the cross-sectional area of the blocking portion 112 is larger than that of the first fixing shaft 11, and the cross-section of the blocking portion 112 is any one of a circle, a hexagon, and a triangle. When the blocking portion 112 may be hexagonal, the first fixing shaft 11 may be directly rotated on the blocking portion 112 using a conventional socket head screwdriver.
Further, any one of a cross-shaped groove, a straight-shaped groove and a hexagonal groove is formed on the outer end surface of the blocking portion 112. The second fixing shaft 12 can be rotated by an outer hexagonal screwdriver, a flat screwdriver, and a quincunx screwdriver.
Further, at least two tooth grooves 125 are formed on the edge of the end of the second fixing shaft 12 where the first through hole 122 is formed. For example, the edge of the end of the second stationary shaft 12 where the first through hole 122 is formed is provided with two opposite tooth grooves 125, so that the second stationary shaft 12 can be rotated by a flat screwdriver.
Further, referring to fig. 5 to 10, fig. 5 is a schematic structural diagram of an embodiment of an LED display screen provided in the present application; fig. 6 is a schematic structural diagram of a fine adjustment device in an embodiment of an LED display screen provided in the present application, where the fine adjustment device is connected to a first LED unit box and a second LED unit box; fig. 7 is a schematic perspective structural diagram of a fine adjustment device in an embodiment of an LED display screen provided in the present application, where the fine adjustment device is connected to a first LED unit box and a second LED unit box; FIG. 8 is a schematic view of a portion of the fine adjustment device of FIG. 7; FIG. 9 is a schematic view of the fine adjustment device of FIG. 7 with the second fixing shaft screwed into the case of the second LED unit; fig. 10 is a schematic structural view of the fine adjustment device of fig. 7 when the first fixed shaft is screwed into the second fixed shaft.
In the embodiment of the present application, the LED display screen 20 includes the fine adjustment device 10 of any one of the above items.
Specifically, the LED display screen 20 comprises at least two LED unit boxes, each LED unit box comprises a bottom plate 24 and a side plate 23 surrounding the edge of the bottom plate 24, threaded holes are formed in the side plates 23, and the two adjacent LED unit boxes are connected through the fine adjustment device 10.
In a preferred embodiment, the inner surface of the side plate 23 of the LED unit housing is provided with a boss 25 protruding toward the inside of the LED unit housing. The threaded hole in the side plate 23 extends through the boss 25. By providing the boss 25, a larger space can be provided for the second fixing shaft 12 under the condition that the thickness of the side plate 23 is constant, so that the length of the second fixing shaft 12 can be longer, and a larger adjustment margin can be realized.
In a specific embodiment, the at least two LED unit cases include a first LED unit case 21 and a second LED unit case 22 disposed adjacent to each other, the second fixing shaft 12 is screwed to the second LED unit case 22 through a second external thread 121 and a threaded hole on the second LED unit case 22, and the second end of the first fixing shaft 11 is screwed to the inner wall of the second fixing shaft 12 through the threaded hole on the first LED unit case 21 and the threaded hole on the second LED unit case 22.
The beneficial effect of this application is: different from the prior art, the application provides a fine adjustment device which is used for fixing a first object to be fixed and a second object to be fixed, and comprises a first fixing shaft and a second fixing shaft; the outer side wall of the first fixed shaft is provided with a first external thread, and the first end of the first fixed shaft is provided with a blocking part; a first through hole and a second through hole which extend along the axial direction of the second fixing shaft are arranged in the second fixing shaft, a second external thread is arranged on the outer wall of the second fixing shaft, an internal thread is arranged on the side wall of the first through hole, and the cross section of the second through hole is non-circular; the second fixing shaft is in threaded connection with a second object to be fixed through a second external thread, and the second end of the first fixing shaft can penetrate through the first object to be fixed and is in threaded connection with the inner wall of the second fixing shaft through an internal thread. This micromatic setting can be earlier according to the demand with the second fixed axle precession to the second treat the preset position of fixture, then make the relative second fixed axle of first fixed axle extend its axial displacement through rotatory stop part, thereby preliminary fastening and regulation first treat fixture and second and treat the fixture, if unable satisfying the demand, carry out the secondary regulation with the instrument to the second fixed axle, release or push the second fixed axle, finely tune, thereby can realize that first treat the fixture and the second treat the accurate of fixture and connect, realize the accurate of LED unit box between the body and connect, improve and watch the impression.
The above embodiments are merely examples and are not intended to limit the scope of the present disclosure, and all modifications, equivalents, and flow charts using the contents of the specification and drawings of the present disclosure or those directly or indirectly applied to other related technical fields are intended to be included in the scope of the present disclosure.
Claims (10)
1. A fine adjustment device is characterized in that the fine adjustment device is used for fixing a first object to be fixed and a second object to be fixed,
the fine adjustment device comprises a first fixing shaft and a second fixing shaft;
the outer side wall of the first fixing shaft is provided with a first external thread, and the first end of the first fixing shaft is provided with a blocking part;
a first through hole and a second through hole which extend along the axial direction of the second fixing shaft are formed in the second fixing shaft, a second external thread is arranged on the outer wall of the second fixing shaft, an internal thread is arranged on the side wall of the first through hole, and the cross section of the second through hole is non-circular;
the second fixing shaft is in threaded connection with the second object to be fixed through the second external threads, and the second end of the first fixing shaft can penetrate through the first object to be fixed and is in threaded connection with the inner wall of the second fixing shaft through the internal threads.
2. The fine adjustment device of claim 1, wherein a pitch of the internal threads is different from a thread pitch of the second external threads.
3. The fine adjustment device of claim 2, wherein a pitch of the internal threads is less than a thread pitch of the second external threads.
4. The fine adjustment device according to claim 3, wherein the second through hole has a cross section of any one of a hexagon, a quadrangle, and a triangle.
5. The fine adjustment device of claim 3, wherein the cross-sectional area of the blocking portion is larger than that of the first fixed shaft, and the cross-section of the blocking portion is any one of circular, hexagonal and triangular.
6. The fine adjustment device according to claim 5, wherein the outer end face of the stopper is provided with any one of a cross-shaped groove, a straight groove, and a hexagonal groove.
7. The fine adjustment device of claim 1, wherein the edge of the end of the second fixed shaft where the first through hole is provided with at least two tooth grooves.
8. An LED display screen, characterized in that the LED display screen comprises the fine adjustment device of any one of claims 1 to 7.
9. The LED display screen of claim 8, wherein the LED display screen comprises at least two LED unit boxes, each LED unit box comprises a bottom plate and a side plate surrounding the edge of the bottom plate, each side plate is provided with a threaded hole, and two adjacent LED unit boxes are connected through the fine adjustment device.
10. The LED display screen of claim 9, wherein the at least two LED unit housings comprise a first LED unit housing and a second LED unit housing disposed adjacent to each other, the second fixed shaft and the second LED unit housing are threadedly coupled via the second external thread and a threaded hole in the second LED unit housing, and the second end of the first fixed shaft is threaded through the threaded hole in the first LED unit housing and threadedly coupled via the threaded hole in the second LED unit housing to the inner wall of the second fixed shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020495570.3U CN212106483U (en) | 2020-04-07 | 2020-04-07 | Fine adjustment device and LED display screen with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020495570.3U CN212106483U (en) | 2020-04-07 | 2020-04-07 | Fine adjustment device and LED display screen with same |
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| CN212106483U true CN212106483U (en) | 2020-12-08 |
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| CN202020495570.3U Active CN212106483U (en) | 2020-04-07 | 2020-04-07 | Fine adjustment device and LED display screen with same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901927A (en) * | 2021-01-15 | 2021-06-04 | 上海纬而视科技股份有限公司 | Module splicing and mounting bracket and application thereof |
-
2020
- 2020-04-07 CN CN202020495570.3U patent/CN212106483U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901927A (en) * | 2021-01-15 | 2021-06-04 | 上海纬而视科技股份有限公司 | Module splicing and mounting bracket and application thereof |
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