CN109372887B - Splicing device - Google Patents
Splicing device Download PDFInfo
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- CN109372887B CN109372887B CN201811370302.2A CN201811370302A CN109372887B CN 109372887 B CN109372887 B CN 109372887B CN 201811370302 A CN201811370302 A CN 201811370302A CN 109372887 B CN109372887 B CN 109372887B
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- connecting plate
- handle
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- assembly
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- 238000000034 method Methods 0.000 claims abstract description 10
- 230000000717 retained effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/10—Arrangements for locking
- F16C11/103—Arrangements for locking frictionally clamped
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
- G09F9/3026—Video wall, i.e. stackable semiconductor matrix display modules
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention relates to a splicing device, comprising: the first assembly comprises a first base and a first connecting plate, the first connecting plate is fixedly connected to the first base, and a tooth slot is formed in the first connecting plate; the second assembly comprises a second base, second connecting plates and a clamping piece, the second connecting plates are fixedly connected to the second base, two second connecting plates are arranged at intervals, the first connecting plates are at least partially contained between the two second connecting plates, and the first connecting plates can slide relative to the second connecting plates; the clamping piece is arranged on one of the second connecting plates and can relatively move towards the direction approaching to or away from the first connecting plate so as to be meshed with or separated from the tooth slot; and the handle assembly comprises a handle, the handle is rotationally connected to the second assembly, and in the process of rotating the handle, the clamping piece is driven to move towards a direction close to or far away from the first connecting plate. The splicing device can realize splicing of different angles between two LED display units.
Description
Technical Field
The invention relates to the field of LED display screens, in particular to a splicing device.
Background
The current LED display screen is generally formed by splicing a plurality of display screen units or display screen unit box bodies. Along with the progress of technology and the expansion of application field, the LED display screen is not limited to the plane concatenation of unit box any more, and more start demands can realize special-shaped concatenation modes such as arc concatenation or wave concatenation. The LED display screen is particularly suitable for the leasing field, and is required to be simple, convenient and quick to operate, stable and reliable. To achieve the angular splice of the display screen, it must be achieved with the aid of an angle lock or an arc-shaped connecting plate and screws. The radian connecting plate and the screw can only realize fixed angle's connection, and the operation is wasted time and energy, is not suitable for the lease display screen field that requires quick assembly.
Disclosure of Invention
Based on this, it is necessary to provide a splicing device for the problem that the radian connecting plate and the screw cannot realize rapid radian splicing.
A splicing device for implementing splicing of different angles between two LED display units, comprising:
the first assembly comprises a first base and a first connecting plate, wherein the first base is fixed on one of the LED display units, the first connecting plate is fixedly connected to the first base, and a tooth slot is formed in the first connecting plate;
the second assembly comprises a second base, a second connecting plate and a clamping piece, wherein the second base is fixed on another LED display unit, the second connecting plate is fixedly connected to the second base, two second connecting plates are arranged at intervals, the first connecting plate is at least partially accommodated between the two second connecting plates, and the first connecting plate can slide relative to the second connecting plate; the clamping piece is arranged on one of the second connecting plates and can move relatively to a direction approaching to or away from the first connecting plate so as to be engaged with or disengaged from the tooth slot; and
The handle assembly comprises a handle, the handle is rotationally connected with the second assembly, and in the handle rotating process, the clamping piece is driven to move towards a direction close to or far away from the first connecting plate.
In one embodiment, the first connecting plate is provided with an arc hole, the second assembly further comprises a guide rail block, the guide rail block is arranged between the two second connecting plates and fixedly connected with the two second connecting plates, the guide rail block is at least partially contained in the arc hole and can slide in the arc hole, and when the clamping piece is meshed with the tooth slot, the guide rail block is prevented from sliding in the arc hole.
In one embodiment, a receiving hole is formed in one of the second connection plates, the clamping piece is received in the receiving hole and can move in the receiving hole so as to be close to or far away from the first connection plate, a latch is arranged at one end, close to the first connection plate, of the clamping piece, and the latch is meshed with the tooth slot.
In one embodiment, the accommodating hole is a special-shaped hole, and the shape of the clamping piece is matched with the shape of the accommodating hole.
In one embodiment, the second assembly further comprises a rotating shaft, a first through hole is formed in the second connecting plate, which is not provided with the accommodating hole, corresponding to the rotating shaft, the rotating shaft penetrates through the first through hole and the arc-shaped hole and then stretches into the accommodating hole, the clamping piece is sleeved on the rotating shaft, the handle is fixedly connected to two ends of the rotating shaft, and the handle drives the rotating shaft to rotate together when rotating.
In one embodiment, the rotating shaft comprises a first shaft section and a second shaft section, the first shaft section is fixedly connected to the second shaft section, the outer diameter of the first shaft section is larger than that of the second shaft section, a shaft shoulder is formed at the junction of the first shaft section and the second shaft section, and the clamping piece is clamped between the handle and the shaft shoulder.
In one embodiment, the second assembly further includes a first spiral boss and a second spiral boss, the first spiral boss is disposed corresponding to the first through hole, the second spiral boss is disposed corresponding to the accommodating hole, the first spiral boss and the second spiral boss are both provided with second through holes, and the clamping piece is at least partially accommodated in the second through holes of the second spiral boss; the end faces of the first spiral boss and the second spiral boss, which are away from the second connecting plate, are provided with spiral structures, the spiral directions of the spiral structures of the first spiral boss are opposite to those of the spiral structures of the second spiral boss, and the handle is abutted to the spiral structures of the first spiral boss and the spiral structures of the second spiral boss from the two ends of the rotating shaft, so that the handle moves along the spiral structures of the first spiral boss and the second spiral boss when rotating.
In one embodiment, the handle assembly further comprises a safety lock catch fixedly connected to the handle, the second connecting plate further comprises a shoulder, a positioning groove is formed in the shoulder, and when the handle assembly rotates to a preset position, the safety lock catch is clamped in the positioning groove.
In one embodiment, the handle is provided with a fixed shaft, and the safety catch is rotatably connected to the fixed shaft, so that the safety catch can be switched between a state of being clamped in the positioning groove and a state of being separated from the positioning groove.
In one embodiment, the first connecting plate or the second connecting plate is further provided with scales, and when the rotating shaft moves to the corresponding scales along the arc-shaped hole, the two LED display units fixed by the splicing device represent included angles corresponding to the scales.
According to the splicing device, the first assembly and the second assembly are respectively fixed on the two LED display units, the first connecting plate of the first assembly is at least partially contained between the two second connecting plates of the second assembly, the angle adjustment of the two LED display units is realized through the sliding of the first connecting plates relative to the second connecting plates, the clamping piece is meshed with the tooth grooves, the angle is fixed after the adjustment, and therefore the adjustment of different angles is realized. Particularly, compared with the traditional angle adjustment method which relies on a spring to spring up a limit tooth in the angle adjustment process, the angle adjustment method provided by the embodiment of the invention drives the movement of the clamping piece through the rotation of the handle, the spring is not needed, and the reliable splicing precision can be maintained in the long-term use process.
Drawings
FIG. 1 is a schematic diagram of a splicing device according to an embodiment of the present invention;
FIG. 2 is an exploded view of a splice device according to an embodiment of the present invention;
FIG. 3 is a schematic view of an exploded view of a first assembly of a splice device according to an embodiment of the present invention;
FIG. 4 is a schematic view of an exploded view of a second assembly of a splice device according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a positioning member of a splicing device according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a rotating shaft of a splicing device according to an embodiment of the present invention;
FIG. 7 is a schematic view of a threaded boss of a splicing device according to an embodiment of the present invention;
fig. 8 is an exploded view of a handle assembly of a splice device according to an embodiment of the present invention.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the invention. 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 "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
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 herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, a schematic structural diagram of a splicing device 10 according to an embodiment of the present invention is shown, where the splicing device 10 is applied to splicing LED display units, and a plurality of LED display units are spliced to form a large display screen, so that rapid arc-shaped splicing can be realized, and any angle within a preset range can be satisfied.
As shown in fig. 1, the splicing device 10 may include a first assembly 110, a second assembly 120 and a handle assembly 130, where the first assembly 110 and the second assembly 120 are respectively and fixedly connected to different LED display units, the first assembly 110 is slidably connected to the second assembly 120, and the first assembly 110 and the second assembly 120 can slide along a preset track. The handle assembly 130 is rotatably connected to the second assembly 120, and when the handle assembly 130 rotates to a predetermined position relative to the second assembly 120, the first assembly 110 and the second assembly 120 are locked to each other to prevent relative sliding between the first assembly 110 and the second assembly 120, so that an included angle between the LED display unit fixedly connected to the first assembly 110 and the LED display unit fixedly connected to the second assembly 120 is maintained unchanged. Through the relative sliding of the first assembly 110 and the second assembly 120, the included angle between the LED display unit fixedly connected with the first assembly 110 and the LED display unit fixedly connected with the second assembly 120 can be changed, and the changed included angle is maintained through the fixation of the handle assembly 130.
Referring to fig. 2 and 3, the first assembly 110 may include a first base 111 and a first connection plate 113, the first base 111 is fixed on the LED display unit, the first connection plate 113 is fixedly connected to the first base 111, and the first assembly 110 is slidably connected to the second assembly 120 through the first connection plate 113.
The first connection plate 113 and the first base 111 may be fixed in any manner. For example, the first connection plate 113 and the first base 111 may be integrally formed. For example, screw holes may be formed in the first connection plate 113 by screw fixation, and screw holes may be formed in the first base 111 corresponding to the screw holes, and the screws may pass through the screw holes and be screwed to the screw holes, thereby fixedly connecting the first connection plate 113 to the first base 111. In one or more embodiments, the end of the first connection plate 113 near the base may be provided with a first spiral boss 1131, the first base 111 may be provided with a first positioning hole 111a corresponding to the first spiral boss 1131, and the first spiral boss 1131 is accommodated in the first positioning hole 111a, so that, on one hand, the first connection plate 113 is convenient to replace when the first connection plate 113 is worn, the replacement along with the first base 111 is avoided, and on the other hand, the cost is saved, and on the other hand, the accurate positioning of the first connection plate 113 and the first base 111 can be realized, thereby facilitating the splicing accuracy of the two LED display units during splicing.
Referring to fig. 3, a counter bore 111b may be disposed on the first base 111, and fixedly connected to the LED display unit through the counter bore 111 b. For example, a screw is fixedly coupled to the LED display unit through the counterbore 111b, thereby fixing the first base 111 to the LED display unit. Of course, the fixing of the first base 111 and the LED display unit is not limited to the fixing of the screw, but may be fixed by other manners, and in one or more embodiments, in order to facilitate the separation of the splicing device 10 from the LED display unit, the first base 111 and the LED display unit are connected by the quick-release structure 1111.
The first connecting plate 113 may include a fixing portion 1133 and a sliding portion 1135, where the fixing portion 1133 is fixedly connected to the sliding portion 1135, and the second connecting plate 123 is fixedly connected to the first base 111 through the fixing portion 1133 and is slidably connected to the second assembly 120 through the sliding portion 1135. The first connection plate 113 has a substantially L-shape to facilitate the splicing between the two LED display units.
The first connection plate 113 is provided with an arc hole 113a, and the second assembly 120 slides in the arc hole 113a, so that an included angle between the LED display unit fixedly connected with the first assembly 110 and the two LED display units fixedly connected with the second assembly 120 is changed. For example, the arc-shaped hole 113a may be provided at the sliding portion 1135.
Referring to fig. 2, the sliding portion 1135 of the first connecting plate 113 may further be provided with a spline 1137, and the spline 1137 cooperates with a corresponding structure on the second assembly 120 to prevent the second assembly 120 from sliding in the arc-shaped hole 113a relative to the first connecting plate 113.
Referring to fig. 2 and 4, the second assembly 120 may include a second base 121 and a second connecting plate 123, the second base 121 is fixed on the LED display unit, the second connecting plate 123 is fixedly connected to the second base 121, two second connecting plates 123 are provided, two second connecting plates 123 are disposed at intervals, the first connecting plate 113 is at least partially received between the two second connecting plates 123, and the first connecting plate 113 can slide relative to the second connecting plate 123.
The second connection plate 123 and the second base 121 may be fixed by any means, for example, may be integrally formed or may be fixed by screws. Specifically, the connection manner of the first connection plate 113 and the first base 111 may be the same.
The second base 121 may also be provided with a counterbore 111b, and fixedly connected with the LED display unit through the counterbore 111 b. The connection mode can be a screw fixing mode or a fixing mode realized through a quick-release structure 1111. Reference may be made in particular to the fixing of the first base 111 to the LED display unit. It will be appreciated that the first base 111 and the second base 121 are connected to two different LED display units, so that adjustment of the splice angle between the two different LED display units can be achieved.
Referring to fig. 4, the second assembly 120 may further include a guide rail block 125, where the guide rail block 125 is disposed between the two second connecting plates 123 and is fixedly connected to the two second connecting plates 123, and the guide rail block 125 is at least partially received in the arc hole 113a of the first connecting plate 113, so that by sliding the guide rail block 125 in the arc hole 113a, the relative sliding between the first connecting plate 113 and the second assembly 120 can be realized, and the first assembly 110 and the second assembly 120 are prevented from being separated from each other. Since the guide rail block 125 is at least partially accommodated in the arc hole 113a, and the two second connecting plates 123 are respectively located at two sides of the first connecting plate 113, the guide rail block 125 cannot be separated from the arc hole 113a and can only slide in the arc hole 113a, and the sliding of the guide rail block 125 in the arc hole 113a ensures that the two LED display units fixedly connected with the first assembly 110 and the second assembly 120 are spliced and adjusted in a preset angle direction.
The rail block 125 may be an arc-shaped rail block 125, and the curvature of the rail block 125 may be the same as the curvature of the arc-shaped hole 113a, whereby smooth movement of the rail block 125 within the arc-shaped hole 113a may be achieved without excessive frictional resistance.
To facilitate the disassembly of the first assembly 110 and the second assembly 120, the rail block 125 is detachably connected to at least one of the two second connection plates 123. For example, in the illustrated embodiment, the rail block 125 is detachably connected to both of the second connection plates 123. For example, the second connection plate 123 may be provided with a through hole 123a, and the rail block 125 may be provided with a through hole 125a, so that a fastener (not shown) passes through the through hole 123a and the through hole 125a to fix the rail block 125 to the second connection plate 123. In order to prevent the rail block 125 from rotating relative to the second connection plate 123, the number of the through holes 123a and the number of the through holes 125a may be greater than one, for example, two. It can be appreciated that a through hole 125a may be disposed corresponding to each through hole 123a, and a fastener may be inserted into the corresponding through hole 123a and the through hole 125a, so as to fixedly connect the rail block 125 to the second connecting plate 123; the through holes 125a may penetrate the rail block 125, so that one through hole 125a may correspond to two through holes 123a on two connection plates, and thus a fastener may penetrate through the through holes 123a on two second connection plates 123 and the through holes 125a on the rail block 125 to fix the rail block 125 and the second connection plates 123. Of course, it will be understood by those skilled in the art that the guide rail block 125 may be fixed to the second connecting plate 123 in other manners, and is not limited to the above-mentioned fixing manner, so long as the guide rail block 125 can be fixed to the second connecting plate 123 while being easily detachable.
Referring to fig. 4 and 5, the second assembly 120 further includes a positioning member 126, wherein a receiving hole 123b is provided on one of the second connecting plates 123, the positioning member 126 is received in the receiving hole 123b and can move in the receiving hole 123b to be close to or far away from the first connecting plate 113, a latch 1261 is provided at one end of the positioning member 126 close to the first connecting plate 113, the latch 1261 corresponds to a tooth slot 1137 on the first connecting plate 113, and when the handle assembly 130 rotates, the positioning member 126 is driven to move in the receiving hole 123b, so that the positioning member 126 is engaged with or disengaged from the first connecting plate 113.
Referring to fig. 2 and 6, in a specific embodiment, the second assembly 120 further includes a rotating shaft 127, a first through hole 123c is disposed on the second connecting plate 123 without the accommodating hole 123b corresponding to the rotating shaft 127, and the rotating shaft 127 passes through the first through hole 123c and the arc-shaped hole 113a and then extends into the accommodating hole 123 b.
The rotation shaft 127 comprises a first shaft section 1271 and a second shaft section 1273, the first shaft section 1271 is fixedly connected to the second shaft section 1273, the outer diameter of the first shaft section 1271 is larger than that of the second shaft section 1273, a shaft shoulder 1275 is formed at the junction of the first shaft section 1271 and the second shaft section 1273, and the clamping piece 126 is sleeved on the second shaft section 1273, clamped between the handle assembly 130 and the shaft shoulder 1275 and capable of moving on the second shaft section 1273. Specifically, the detent member 126 may be provided with a third through hole 126a, where the inner diameter of the third through hole 126a is greater than the outer diameter of the second shaft segment 1273, so that the detent member 126 may be sleeved outside the second shaft segment 1273 and abutted against the shaft shoulder 1275. When the handle assembly 130 rotates, the rotating shaft 127 is driven to rotate together, so as to push the movement of the clamping piece 126.
In one or more embodiments, to prevent the detent 126 from rotating with the rotation of the rotation shaft 127, the accommodating hole 123b may be configured as a profiled hole, and the shape of the detent 126 may be adapted to the shape of the accommodating hole 123 b. For example, in the illustrated embodiment, the receiving hole 123b may be a oval hole, and the corresponding detent 126 may have a oval cross-sectional shape.
The second shaft segment 1273 is provided with a notch 1277, so that the section of the second shaft segment 1273 corresponding to the notch 1277 is D-shaped, and the handle assembly 130 is fixed at one end of the first shaft segment 1271 far away from the second shaft segment 1273 and fixedly connected to the portion of the second shaft segment 1273 corresponding to the notch 1277, thereby, the rotation of the handle assembly 130 can drive the rotation of the rotating shaft 127, but not drive the rotation of the clamping member 126.
The first shaft segment 1271 and the second shaft segment 1273 may further extend outwardly at the ends remote from each other to form a boss, and the boss may be provided with a threaded structure, so that when the handle assembly 130 is fixed to the shaft 127, the handle assembly 130 may be fixed to the shaft 127 by threaded engagement of the nut and the boss, thereby preventing the handle assembly 130 from being separated from the shaft 127.
Referring to fig. 4 and 7, the second assembly 120 may further include two spiral bosses, where the two spiral bosses are respectively disposed on the two second connection plates 123 and are respectively disposed corresponding to the third through holes 126a and the accommodating holes 123b, and the spiral bosses are provided with second through holes 128a, and the second through holes 128a are communicated with the third through holes 126a or the accommodating holes 123 b.
For example, the spiral boss may include a first spiral boss 1281 and a second spiral boss 1283, where the first spiral boss 1281 is disposed corresponding to the first through hole 123c, the second spiral boss 1283 is disposed corresponding to the accommodating hole 123b, both the first spiral boss 1281 and the second spiral boss 1283 are provided with the second through hole 128a, and the positioning element 126 is at least partially accommodated in the second through hole 128a of the second spiral boss 1283.
The end faces of the first spiral boss 1281 and the second spiral boss 1283, which are away from the second connecting plate 123, are provided with a spiral structure 128b, the spiral direction of the spiral structure 128b of the first spiral boss 1281 is opposite to that of the spiral structure 128b of the second spiral boss, and the handle 131 is abutted against the spiral structure 128b of the first spiral boss 1281 and the spiral structure 128b of the second spiral boss 1283 from two ends of the rotating shaft 127. For example, the helical structure 128b of the first helical projection 1281 rises helically clockwise, while the helical structure 128b of the second helical projection rises helically anticlockwise. Therefore, when the handle assembly 130 rotates, the latch 126 is pushed to move in the accommodating hole 123b along the spiral structures 128b of the first spiral boss 1131 and the second spiral boss, so that the latch 126 is close to or far away from the first connecting plate 113, and when the latch 126 abuts against the first connecting plate 113, the latch 1261 on the latch 126 is engaged with the tooth slot 1137 on the first connecting plate 113, so that the two LED display units fixed to the splicing device 10 maintain the current included angle.
In one or more embodiments, the spiral boss may be integrally formed with the second connection plate 123.
In order to facilitate the angle adjustment, the first connecting plate 113 or the second connecting plate 123 may be further provided with scales, and when the rotating shaft 127 moves along the arc hole 113a to the corresponding scale, the two LED display units fixed by the splicing device 10 present an included angle corresponding to the scale.
Referring to fig. 8, the handle assembly 130 may include a handle 131, and the handle 131 is fixedly coupled to both ends of the rotation shaft 127. When the handle 131 rotates along the first direction, the rotation of the rotating shaft 127 is driven, the portion of the handle 131 close to the rotating shaft 127 spirals upwards along the spiral structure 128b of the first spiral boss 1281 and spirals downwards along the spiral structure 128b of the second spiral boss 1283, so that the rotating shaft 127 is pushed to move towards the direction close to the first spiral boss 1281, and when the rotating shaft 127 moves, the clamping piece 126 is clamped between the handle 131 and the shaft shoulder 1275 of the rotating shaft 127, so that the handle 131 pushes the clamping piece 126 to move towards the direction close to the first connecting plate 113, and finally the clamping piece 126 is meshed with the tooth groove 1137, so that the current included angle can be fixed. When the handle 131 rotates along the second direction, the portion of the handle 131 near the rotation shaft 127 spirals downward along the spiral structure 128b of the first spiral boss 1281, spirals upward along the spiral structure 128b of the second spiral boss 1283, the rotation shaft 127 moves in the direction near the first spiral boss 1281, and the rotation shaft 127 pushes the blocking member 126 to move when moving, so that the blocking member 126 is disengaged from the tooth groove 1137, and the angle adjustment can be performed.
The handle assembly 130 may further include a safety catch 133, the safety catch 133 is fixedly connected to the handle 131, the second connecting plate 123 further includes a shoulder 1231, a positioning groove 123d is disposed on the shoulder 1231, and when the handle assembly 130 rotates to a preset position, the safety catch 133 is clamped in the positioning groove 123d, so as to avoid resetting the handle assembly 130.
The safety catch 133 is movable relative to the handle 131 so that the safety catch 133 can be switched between a state of being caught in the detent 123d and a state of being disengaged from the detent 123 d. For example, in one or more embodiments, the handle 131 is provided with a fixed shaft 1311, and the safety catch 133 is rotatably coupled to the fixed shaft 1311, such that switching between the two states can be achieved by rotation of the safety catch 133 relative to the fixed shaft 1311.
The handle assembly 130 may further include a torsion spring 135, wherein the torsion spring 135 is sleeved on the fixed shaft 1311, one end of the torsion spring is abutted against the safety catch 133, and the other end of the torsion spring is abutted against the handle 131, so that the reset of the safety catch 133 can be achieved through the torsion spring 135. For example, when an external force acts on the safety catch 133, the safety catch 133 rotates, so that the safety catch 133 is disengaged from the positioning slot 123d when in a preset position, and therefore, the safety catch 133 can be disengaged from the positioning slot 123d, or the safety catch 133 can be conveniently engaged into the positioning slot 123d, and after the external force is removed, the safety catch 133 is reset.
In the above-mentioned splicing device 10, the first assembly 110 and the second assembly 120 are respectively fixed to two LED display units, and the first connection plate 113 of the first assembly 110 is at least partially received between the two second connection plates 123 of the second assembly 120, and by sliding the first connection plate 113 relative to the second connection plates 123, the angle adjustment of the two LED display units is achieved, and the engagement between the clamping member 126 and the tooth groove 1137, the angle after adjustment is fixed, so that the adjustment of different angles is achieved. In particular, compared with the traditional angle adjustment method which relies on a spring to spring up a limit tooth in the angle adjustment process, the embodiment of the invention drives the movement of the clamping piece 126 through the rotation of the handle 131, and the spring is not needed, so that reliable splicing precision can be maintained in the long-term use process.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (8)
1. A splicing device for realizing splicing of different angles between two LED display units, comprising:
the first assembly comprises a first base and a first connecting plate, wherein the first base is fixed on one of the LED display units, the first connecting plate is fixedly connected to the first base, tooth grooves are formed in the first connecting plate, and arc-shaped holes are formed in the first connecting plate;
the second assembly comprises a second base, a second connecting plate and a clamping piece, wherein the second base is fixed on another LED display unit, the second connecting plate is fixedly connected to the second base, two second connecting plates are arranged at intervals, the first connecting plate is at least partially accommodated between the two second connecting plates, and the first connecting plate can slide relative to the second connecting plate; the clamping piece is arranged on one of the second connecting plates and can move relatively to a direction approaching to or away from the first connecting plate so as to be engaged with or disengaged from the tooth slot; and
The handle assembly comprises a handle, the handle is rotationally connected with the second assembly, and in the process of rotating the handle, the clamping piece is driven to move towards a direction approaching to or away from the first connecting plate;
one of the second connecting plates is provided with a containing hole, the clamping piece is contained in the containing hole and can move in the containing hole so as to be close to or far away from the first connecting plate, one end of the clamping piece, which is close to the first connecting plate, is provided with a clamping tooth, the clamping tooth is meshed with the tooth slot, the second assembly also comprises a rotating shaft, and a first through hole is formed in the second connecting plate, which is not provided with the containing hole, corresponding to the rotating shaft;
the second assembly further comprises a first spiral boss and a second spiral boss, the first spiral boss is arranged corresponding to the first through hole, the second spiral boss is arranged corresponding to the accommodating hole, the first spiral boss and the second spiral boss are both provided with second through holes, and the clamping piece is at least partially accommodated in the second through holes of the second spiral boss; the end faces of the first spiral boss and the second spiral boss, which are away from the second connecting plate, are provided with spiral structures, the spiral directions of the spiral structures of the first spiral boss are opposite to those of the spiral structures of the second spiral boss, and the handle is abutted to the spiral structures of the first spiral boss and the spiral structures of the second spiral boss from the two ends of the rotating shaft, so that the handle moves along the spiral structures of the first spiral boss and the second spiral boss when rotating.
2. The splicing device of claim 1, wherein the second assembly further comprises a guide block disposed between and fixedly connected to the two second connection plates, the guide block being at least partially received in the arcuate aperture and capable of sliding within the arcuate aperture, the guide block being prevented from sliding within the arcuate aperture when the detent is engaged with the tooth slot.
3. The splicing device of claim 1, wherein the receiving hole is a profiled hole, and the shape of the retaining member is adapted to the shape of the receiving hole.
4. The splicing device of claim 3, wherein the rotating shaft penetrates through the first through hole and the arc-shaped hole and then extends into the accommodating hole, the clamping piece is sleeved on the rotating shaft, the handle is fixedly connected to two ends of the rotating shaft, and the handle drives the rotating shaft to rotate together when rotating.
5. The splicing device of claim 4, wherein the shaft comprises a first shaft section and a second shaft section, the first shaft section is fixedly connected to the second shaft section, the outer diameter of the first shaft section is larger than that of the second shaft section, a shaft shoulder is formed at the junction of the first shaft section and the second shaft section, and the clamping piece is clamped between the handle and the shaft shoulder.
6. The splice device of claim 1, wherein the handle assembly further comprises a safety catch fixedly connected to the handle, the second web further comprises a shoulder having a detent disposed thereon, the safety catch being retained within the detent when the handle assembly is rotated to a predetermined position.
7. The splice device of claim 6, wherein the handle has a stationary shaft, and the safety catch is rotatably coupled to the stationary shaft to enable the safety catch to be switched between a locked position in the detent and an unlocked position in the detent.
8. The splicing device according to claim 1, wherein the first connecting plate or the second connecting plate is further provided with scales, and when the rotating shaft moves to the corresponding scales along the arc-shaped hole, two LED display units fixed by the splicing device show included angles corresponding to the scales.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811370302.2A CN109372887B (en) | 2018-11-17 | 2018-11-17 | Splicing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811370302.2A CN109372887B (en) | 2018-11-17 | 2018-11-17 | Splicing device |
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| Publication Number | Publication Date |
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| CN109372887A CN109372887A (en) | 2019-02-22 |
| CN109372887B true CN109372887B (en) | 2023-10-27 |
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| CN201811370302.2A Active CN109372887B (en) | 2018-11-17 | 2018-11-17 | Splicing device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110319109B (en) * | 2019-06-11 | 2024-07-02 | 利亚德智慧显示(深圳)有限公司 | Arc splicing device and display screen |
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| CN109372887A (en) | 2019-02-22 |
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Address after: 518000 1805, tower 2, Shenye Jinyuan Building, No.112, Qingshuihe 1st Road, Qingshuihe community, Luohu District, Shenzhen City, Guangdong Province Applicant after: SHENZHEN AOTO ELECTRONICS Co.,Ltd. Address before: 518000 9th Floor, United Headquarters Building, No. 63 Xuefu Road, Nanshan District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN AOTO ELECTRONICS Co.,Ltd. |
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