CN117935692A - Curved surface adjusting structure of LED display screen and LED display screen - Google Patents

Abstract

The application relates to the field of display screen radian adjustment, in particular to a curved surface adjusting structure of an LED display screen and the LED display screen, which comprises an adjusting seat, a sliding piece, a positioning sliding block and a radian locking assembly, wherein the adjusting seat is arranged in one of two adjacent display screen boxes, the sliding piece is in sliding fit with the adjusting seat, the sliding track of the sliding piece is in arc arrangement, and the sliding piece is arranged in the other one of the two adjacent display screen boxes; the adjusting seat is provided with positioning teeth which extend along the sliding track of the sliding piece; the positioning sliding block is arranged on the sliding piece, a positioning groove corresponding to the positioning tooth is formed in the positioning sliding block, and the radian locking assembly is used for enabling the inner wall of the positioning groove to be in tight fit with the positioning tooth. The application has the effect of being convenient for adjusting the radian of the LED display screen according to the field requirement when the LED display screen is assembled, thereby ensuring the applicability of the LED display screen.

Description

Curved surface adjusting structure of LED display screen and LED display screen

Technical Field

The application relates to the field of radian adjustment of display screens, in particular to a curved surface adjustment structure of an LED display screen and the LED display screen.

Background

The show sites are typically provided with LED display screens to facilitate the display of pictures through the LED display screens. The LED display screen can be assembled into the arc sometimes, and the concave surface of the LED display screen faces the audience, so that the watching immersion of the audience is increased, and the watching experience of the audience is ensured.

In the related art, an arc-shaped LED display screen generally includes a plurality of display screen boxes so as to be assembled into LED display screens of different sizes according to audience specifications of the performance sites, thereby enabling the LED display screens to adapt to the requirements of the performance sites and to rent and transfer between the performance sites.

When the LED display screen is assembled on the performance site, a worker only needs to assemble a plurality of display screen box bodies in sequence, so that two adjacent display screen box bodies are arranged according to a preset angle, and after the LED display screen box bodies are assembled, the LED display screen is arranged in an arc shape according to the preset angle, and the LED display screen is convenient to assemble or disassemble.

For the related art, the LED display assembled according to the preset angle is convenient to assemble and disassemble, but is difficult to adjust along with the size specification of the LED display screen according to the audience scale of the performance site, so that more audiences can obtain good viewing angles, and the applicability is poor.

Disclosure of Invention

In order to facilitate the adjustment of the radian of the LED display screen according to the field requirement when the LED display screen is assembled, thereby ensuring the applicability of the LED display screen, the application provides a curved surface adjusting structure of the LED display screen.

The application provides a curved surface adjusting structure of an LED display screen, which adopts the following technical scheme:

the curved surface adjusting structure of the LED display screen comprises an adjusting seat, a sliding piece, a positioning sliding block and an arc locking assembly, wherein the adjusting seat is arranged in one of two adjacent display screen box bodies, the sliding piece is in sliding fit with the adjusting seat, the sliding track of the sliding piece is in arc-shaped arrangement, and the sliding piece is arranged in the other one of the two adjacent display screen box bodies;

the adjusting seat is provided with positioning teeth which extend along the sliding track of the sliding piece; the positioning sliding block is arranged on the sliding piece, a positioning groove corresponding to the positioning tooth is formed in the positioning sliding block, and the radian locking assembly is used for enabling the inner wall of the positioning groove to be in tight fit with the positioning tooth.

Through adopting above-mentioned technical scheme, at first make the slider slide along the arc orbit cooperate in the adjustment seat for the direction motion that is close to each other or keep away from is towards two adjacent display screen boxes, and then makes the angle between two adjacent display screen boxes change, then makes the inner wall of constant head tank support tight fit in locking tooth through radian locking component, thereby makes the slip position of location slider and slider all locked. Therefore, through the adjustment and locking of the position of the sliding piece, when a worker assembles the LED display screen, the radian of the LED display screen can be adjusted according to the field requirement, and therefore the applicability of the LED display screen is ensured.

Optionally, the radian locking assembly comprises a connecting rod, a reset elastic piece and a locking handle, wherein one end of the connecting rod is installed on the sliding piece, the other end of the connecting rod is penetrated through the positioning sliding block and is in sliding fit with the positioning sliding block, and two ends of the reset elastic piece are installed on the sliding piece and the positioning sliding block respectively;

The locking handle is in running fit with one end of the connecting rod penetrating through the positioning slide block, the locking handle is provided with a protruding portion, and when the inner wall of the positioning groove is in abutting fit with the positioning teeth, the protruding portion is in abutting fit with the positioning slide block.

Through adopting above-mentioned technical scheme, when needs make the inner wall of constant head tank support tight fit in the positioning tooth, overcome the elasticity rotation locking handle that resets the elastic component, make the bellying butt sliding fit of locking handle in the surface of location slider, and then make the axis direction sliding motion of location slider along the connecting rod to finally make the inner wall of constant head tank support tight fit in the positioning tooth, convenient and fast.

Optionally, the sliding piece is provided with a plurality of locking grooves, and the locking grooves are distributed along the sliding track of the sliding piece;

The adjusting seat is in threaded fit with a locking screw, and the locking screw is provided with a locking protrusion which is arranged corresponding to the locking groove.

Through adopting above-mentioned technical scheme, after the slip position of location slider and slider all is locked, rotate locking screw, drive the locking protruding position motion towards one of them locking groove place, and finally support tight fit in the inner wall of locking groove to ensure the slip position of slider.

Optionally, the adjusting seat is provided with a sliding guide groove and a sliding adjusting groove, the sliding guide groove and the sliding adjusting groove are both arc-shaped, and the sliding guide groove and the sliding adjusting groove are coaxially arranged;

The sliding piece is in sliding fit with the sliding guide groove, the positioning sliding block is in sliding fit with the sliding adjustment groove, and the positioning sliding block is in close fit with the inner wall of the sliding adjustment groove.

Through adopting above-mentioned technical scheme, the slider slides and cooperates in the guide way that slides, and the location slider slides and cooperate in the adjustment groove that slides to the location slider pastes tight fit in the inner wall in adjustment groove that slides, makes when adjusting two adjacent display screen boxes, two adjacent display screen boxes more stable rotation.

Optionally, the sliding piece comprises a first sliding block and a second sliding block, the first sliding block is in sliding fit with the adjusting seat, the sliding track of the first sliding block is in arc-shaped arrangement, the second sliding block is in sliding fit with the first sliding block along the sliding track direction of the first sliding block, and the second sliding block is arranged in one of two adjacent display screen boxes far away from the adjusting seat;

The radian locking assembly comprises a connecting rod, a reset elastic piece and a locking handle, one end of the connecting rod penetrates through the first sliding block and is in rotary sliding fit with the first sliding block, the other end of the connecting rod penetrates through the positioning sliding block and is in rotary sliding fit with the positioning sliding block, and two ends of the reset elastic piece are respectively arranged on the first sliding block and the positioning sliding block;

the locking handle is in rotary fit with one end of the connecting rod penetrating through the positioning sliding block and is provided with a protruding part;

The utility model discloses a connecting rod, including first slider, second slider, adjusting screw, connecting rod, adjusting screw thread, the connecting rod wears to locate the one end of first slider and installs adjusting screw through the universal knot, second slider normal running fit has the adjustment screwed pipe, adjusting screw thread fit in the adjustment screwed pipe, the connecting rod is provided with the fine setting locking subassembly that is used for making the inner wall of constant head tank support tight fit in the positioning tooth.

Through adopting above-mentioned technical scheme, when assembling the great LED display screen of dimensional specification, at first make the inner wall of constant head tank support tight fit in the positioning tooth through fine setting locking component for the sliding motion position locking of first slider, then rotate the connecting rod through the locking handle, drive adjusting screw and rotate, thereby make the second slider move towards being close to or keeping away from the direction of first slider, thereby adjust the angle between the two adjacent display screen boxes with the higher mode of precision, be favorable to carrying out the calibration to the accumulated assembly error when assembling the great LED display screen of dimensional specification, thereby ensure the display screen of two adjacent display screen boxes closely laminates, reduce the gap size between the display screen of two adjacent display screen boxes, thereby ensure spectator's viewing experience.

Optionally, the fine setting locking component includes butt plate, first locking lever, first elastic component and fine setting locking component, butt plate is along the axis direction slip fit in the connecting rod of connecting rod, one of them end of first locking lever is installed in the butt plate, the other end of first locking lever is slipped fit in the connecting rod, the both ends of first elastic component are installed in connecting rod and butt plate respectively, the fine setting locking component is used for locking the slip position of first locking lever.

Through adopting above-mentioned technical scheme, promote first locking lever, make the butt board support tight fit in the location slider, then lock the position of sliding of first locking lever through fine setting locking piece to ensure that the butt board supports tight fit in the location slider all the time, it is comparatively simple and convenient to operate.

Optionally, a first locking hole, a second locking hole and a third locking hole are formed at one end of the connecting rod, the second locking hole is communicated with the first locking hole, the area size of the second locking hole is smaller than that of the first locking hole, the third locking hole is communicated with the second locking hole, and the sum of the area sizes of the third locking hole and the second locking hole is smaller than that of the first locking hole;

the first locking rod is in rotary fit with the connecting rod and is in sliding fit with the second locking hole along the axis direction of the connecting rod;

The fine adjustment locking piece comprises a locking lug, the locking lug is mounted on the first locking rod, and the area size of the locking lug is smaller than or equal to that of the third locking hole.

Through adopting above-mentioned technical scheme, make locking lug aim at the third locking hole, promote first locking lever, make the connecting rod slip fit in the second locking hole and make locking lug wear to locate the third locking hole, until the butt board supports tight fit in the location slider. Then rotate the connecting rod, make locking lug butt fit in the inner wall of first locking hole, and then make locking lug joint fit in first locking hole to make the butt plate be difficult to move towards the direction of keeping away from the location slider, convenient and fast has ensured butt plate butt fit in the location slider all the time.

Optionally, the fine tuning locking piece further includes a second locking rod and a second elastic piece, the second locking rod is slidingly matched with the connecting rod along the depth direction of the clamping groove, the locking protruding block is installed on the second locking rod, and two ends of the second elastic piece are respectively installed on the connecting rod and the second locking rod.

By adopting the technical scheme, before pushing the first locking rod, the second locking rod is pressed, so that the first locking rod and the second locking rod are pushed simultaneously. After the locking lug is in tight fit with the inner wall of the first locking hole, the second locking rod is loosened, so that the locking lug is in tight fit with the inner wall of the clamping groove, the friction force between the locking lug and the inner wall of the clamping groove is increased, the abutting plate is in tight fit with the positioning sliding block all the time, and therefore the locking lug is not easy to separate from the first locking hole along with the rotation of the connecting rod, and the position stability of the positioning sliding block is ensured.

Optionally, the positioning slide block is provided with a positioning groove, the positioning groove extends along the radial direction of the connecting rod, the locking handle is provided with a positioning protrusion corresponding to the positioning groove, and the positioning protrusion has elasticity.

Through adopting above-mentioned technical scheme, need not to adjust the angle between the two adjacent display screen boxes with higher mode of precision, make the protruding joint in positioning groove of location, and then make when rotating the locking handle, the connecting rod is difficult for taking place to rotate to ensure that the second slider is difficult for towards being close to or keeping away from the direction slip of first slider, ensure that the angle between the two adjacent display screen boxes is adjusted to required angle accurately.

The application also provides an LED display screen, which adopts the following technical scheme:

an LED display screen is provided with the curved surface adjusting structure of the LED display screen.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The sliding piece is in sliding fit with the adjusting seat along the arc track, so that two adjacent display screen box bodies move towards the direction close to or far away from each other, the angle between the two adjacent display screen box bodies is changed, then the inner wall of the positioning groove is in tight fit with the locking teeth through the radian locking assembly, and the sliding positions of the positioning sliding block and the sliding piece are locked. Therefore, through the adjustment and locking of the position of the sliding piece, when a worker assembles the LED display screen, the radian of the LED display screen can be adjusted according to the field requirement, and therefore the applicability of the LED display screen is ensured.

2. When the inner wall of the positioning groove is required to be in tight fit with the positioning teeth, the elastic force of the reset elastic piece is overcome to rotate the locking handle, the protruding portion of the locking handle is in butt sliding fit with the outer surface of the positioning sliding block, and then the positioning sliding block is enabled to slide along the axis direction of the connecting rod, so that the inner wall of the positioning groove is finally in tight fit with the positioning teeth, and the locking handle is convenient and quick.

3. When the LED display screen with larger assembly size specification is assembled, the inner wall of the positioning groove is in tight fit with the positioning teeth through the fine adjustment locking assembly, so that the sliding movement position of the first sliding block is locked, then the connecting rod is rotated through the locking handle, the adjusting screw is driven to rotate, so that the second sliding block moves towards the direction close to or far away from the first sliding block, the angle between two adjacent display screen boxes is adjusted in a mode with higher precision, the accumulated assembly error during the assembly of the LED display screen with larger size specification is calibrated, the display screens of the two adjacent display screen boxes are tightly attached, the gap size between the display screens of the two adjacent display screen boxes is reduced, and the viewing experience of audiences is ensured.

Drawings

Fig. 1 is a schematic view of a first overall structure of embodiment 1 of the present application.

Fig. 2 is a schematic diagram of a second overall structure of embodiment 1 of the present application.

Fig. 3 is a schematic diagram showing the fitting relationship of the locking protrusion and the locking groove according to embodiment 1 of the present application.

Fig. 4 is a schematic view of a first overall structure of embodiment 2 of the present application.

Fig. 5 is a schematic diagram of a second overall structure of embodiment 2 of the present application.

Fig. 6 is a schematic cross-sectional view of the whole structure of embodiment 2 of the present application.

FIG. 7 is a schematic cross-sectional view of a fine lock assembly according to embodiment 2 of the present application.

Fig. 8 is an exploded view of the fine lock assembly according to embodiment 2 of the present application.

Reference numerals illustrate: 1. an adjusting seat; 101. a sliding guide groove; 102. a slip adjustment groove; 11. positioning teeth; 12. a scale groove; 13. locking the screw; 131. a locking protrusion; 2. a sliding member; 201. a locking groove; 21. a first slider; 22. a second slider; 221. adjusting the threaded pipe; 3. positioning a sliding block; 301. a positioning groove; 4. a connecting rod; 401. a first locking hole; 402. a second locking hole; 403. a third locking hole; 404. a plate body sliding cavity; 41. adjusting a screw; 5. a return elastic member; 6. a locking handle; 61. positioning the bulge; 7. a fine tuning locking assembly; 71. a first locking lever; 711. a bump sliding cavity; 72. an abutting plate; 73. a first elastic member; 74. a second locking lever; 75. a locking projection; 76. and a second elastic member.

Detailed Description

The application is described in further detail below with reference to fig. 1-8.

Example 1.

The embodiment 1 of the application discloses a curved surface adjusting structure of an LED display screen. Referring to fig. 1, the curved surface adjusting structure of the led display screen includes an adjusting seat 1, a sliding member 2, a positioning slider 3, and an arc locking assembly.

Referring to fig. 1 and 2, the adjusting seat 1 is provided with two sliding guide grooves 101, and in embodiment 1 of the present application, the number of the sliding guide grooves 101 is two, and the two sliding guide grooves 101 are distributed along the height direction of the adjusting seat 1;

The sliding guide groove 101 is provided in an arc shape, and in embodiment 1 of the present application, the sliding guide groove 101 is provided in a circular arc shape. The sliding piece 2 is in sliding fit with the sliding guide groove 101, so that the sliding piece 2 can uniformly slide along the circular arc track.

Referring to fig. 1, a sliding adjustment groove 102 is formed in the outer peripheral surface of the adjustment seat 1, the sliding adjustment groove 102 is rectangular, and extends along the extending direction of the sliding guide groove 101 along the sliding adjustment groove 102, that is, the sliding adjustment groove 102 and the sliding guide groove 101 extend along two circular arc tracks arranged coaxially, and corners of the sliding adjustment groove 102 are chamfered; the adjusting seat 1 is integrally connected with positioning teeth 11, and in the embodiment 1 of the present application, the number of the positioning teeth 11 is two, and the two positioning teeth 11 are distributed along the height direction of the adjusting seat 1;

the positioning teeth 11 are provided with a plurality of teeth, and the intervals among the teeth are the same. The teeth of the positioning teeth 11 extend along the extending direction of the sliding adjustment groove 102, and the positioning teeth 11 are located in the area covered by the sliding adjustment groove 102.

Referring to fig. 1, the positioning slider 3 is slidingly engaged with the sliding adjustment groove 102 along the extending direction of the sliding adjustment groove 102, and the positioning slider 3 is also slidingly engaged with the sliding adjustment groove 102 along the depth direction of the sliding adjustment groove 102, and the positioning slider 3 is always tightly engaged with the inner wall of the sliding adjustment groove 102 when being slidingly engaged with the sliding adjustment groove 102 along the extending direction of the sliding adjustment groove 102 or the depth direction of the sliding adjustment groove 102, so as to ensure the sliding stability of the positioning slider 3. In addition, the positioning slider 3 is provided with a positioning groove corresponding to the tooth of the positioning tooth 11, so that the positioning slider 3 is locked in a position slid along the extending direction of the sliding adjustment groove 102 when the inner wall of the positioning groove is in tight fit with the positioning tooth 11.

Referring to fig. 1, the adjustment seat 1 is carved with two rows of scale grooves 12, and the two rows of scale grooves 12 are distributed along the height direction of the adjustment seat 1. The scale grooves 12 are arranged close to the positioning teeth 11, and the scale grooves 12 are uniformly distributed along the tooth extension direction of the positioning teeth 11. In embodiment 1 of the present application, the minimum unit of the scale groove 12 is 5 ° so that the worker can quickly adjust the positioning slider 3 to a desired position. The positioning slide block 3 is carved with indication grooves which are arranged in a triangle shape and correspond to the scale grooves 12, so that a worker can know the angle corresponding to the positioning slide block 3.

Referring to fig. 1, the arc locking member is disposed near the positioning slider 3, and includes a connection rod 4, a reset elastic member 5, and a locking handle 6. One end of the connecting rod 4 is fixedly arranged on the sliding piece 2, the section of the other end of the connecting rod 4 is rectangular and penetrates through the positioning sliding block 3, and the positioning sliding block 3 is in sliding fit with one end of the connecting rod 4 penetrating through the positioning sliding block 3 along the length direction of the connecting rod 4 so as to ensure the sliding stability of the positioning sliding block 3 when being in sliding fit with the sliding adjustment groove 102 along the depth direction of the sliding adjustment groove 102.

Referring to fig. 1 and 2, in embodiment 1 of the present application, the return elastic member 5 is selected to be of a spring type. The reset elastic piece 5 is sleeved on the connecting rod 4 and is positioned between the sliding piece 2 and the positioning sliding block 3, and two ends of the reset elastic piece 5 are fixedly arranged on the sliding piece 2 and the positioning sliding block 3 respectively along the length direction of the connecting rod 4. In addition, in embodiment 1 of the present application, when the inner wall of the positioning groove of the positioning slider 3 is in a tight fit with the positioning teeth 11, the return elastic member 5 is in a compressed state.

Referring to fig. 1, the end of the locking handle 6 is rotatably fitted to one end of the connecting rod 4 penetrating through the positioning slider 3, and the rotation axis of the locking handle 6 is vertically disposed on the axis of the connecting rod 4 itself. The locking handle 6 has a boss. When the inner wall of the positioning groove is in abutting fit with the positioning teeth 11, the protruding part of the locking handle 6 is in abutting fit with the outer peripheral surface of the positioning sliding block 3; when the inner wall of the positioning groove is away from the positioning teeth 11, the boss of the locking handle 6 is away from the outer peripheral surface of the positioning slider 3.

Referring to fig. 1 and 3, the sliding member 2 is provided with a plurality of locking grooves 201, and in embodiment 1 of the present application, the plurality of locking grooves 201 are divided into two groups, and the two groups of locking grooves 201 are respectively provided at the top and bottom of the sliding member 2; each group of locking grooves 201 are uniformly distributed along the extending direction of the scale groove 12, and each locking groove 201 of each group is respectively arranged in one-to-one correspondence with each scale of the scale groove 12, namely the corresponding sliding piece 2 between two adjacent locking grooves 201 rotates at an angle of 5 degrees;

The adjusting seat 1 is provided with two locking screws 13, and the two locking screws 13 are respectively arranged in one-to-one correspondence with each group of locking grooves 201; the locking screw 13 penetrates through the adjusting seat 1 and is in threaded fit with the adjusting seat 1, and one end of the locking screw 13, which is positioned outside the adjusting seat 1, is fixedly connected with a shifting block, so that the locking screw 13 can be rotated through the shifting block. One end of the inside of the foreign language adjustment seat 1 of the locking screw 13 is integrally connected with a locking protrusion 131 correspondingly arranged to the locking groove 201, and the locking protrusion 131 is arranged in a hemispherical shape. After the sliding piece 2 rotates to a required angle, the locking screw 13 is rotated through the shifting block, so that the locking protrusions 131 are in tight fit with the inner wall of the locking groove 201, and the rotating angle of the sliding piece 2 is further locked, so that the angle stability between two adjacent display screen boxes is guaranteed.

The implementation principle of the curved surface adjusting structure of the LED display screen in the embodiment 1 of the application is as follows: when the angle between two adjacent display screen boxes needs to be adjusted, first, the locking handle 6 is turned, so that the protruding part of the locking handle 6 is far away from the positioning slide block 3. Then, the positioning slider 3 slides along the depth direction of the sliding adjustment groove 102 under the elastic force of the restoring elastic piece 5 in a compressed state, so that the inner wall of the positioning groove is far away from the teeth of the positioning teeth 11. Then, the dial is rotated so that the locking protrusion 131 is away from the locking groove 201. Subsequently, the sliding member 2 is slid along the sliding guide groove 101 by pushing or pulling the sliding member 2 by the locking handle 6, so that the sliding member 2 is rotated to a desired angle, thereby adjusting the angle between two adjacent display screen housings to a desired position. Then, the locking handle 6 is rotated again, so that the protruding part of the locking handle 6 is in abutting fit with the outer peripheral surface of the positioning sliding block3, and the positioning sliding block3 overcomes the elastic force of the reset elastic piece 5 to enable the inner wall of the positioning groove to be in abutting fit with the teeth of the positioning teeth 11. Finally, the shifting block is rotated again, so that the locking protrusion 131 is in tight fit with the locking groove 201, and therefore when the LED display screen is assembled, the radian of the LED display screen can be adjusted according to site requirements, and the applicability of the LED display screen is ensured.

The embodiment 1 of the application also provides an LED display screen, which adopts the following technical scheme:

An LED display screen comprises a plurality of display screen boxes (not shown in the figure) and a plurality of curved surface adjusting structures of the LED display screens.

The curved surface adjusting structure of the LED display screen is positioned between two adjacent display screen boxes, one of the two adjacent display screen boxes is fixedly arranged on the adjusting seat 1 of the curved surface adjusting structure of the LED display screen, and the other one of the two adjacent display screen boxes is detachably arranged on the sliding piece 2 of the curved surface adjusting structure of the LED display screen. The mounting mode of the adjusting seat 1 or the sliding piece 2 and the display screen box body can be as follows: bolting, screwing, physical bonding (e.g., velcro), chemical bonding (e.g., adhesive), magnetic attraction, snap-fit (e.g., elastic protrusions and snap-fit grooves), or combinations of multiple mounting means known to those skilled in the art.

Example 2.

The main difference between the embodiment 2 and the embodiment 1 of the present application is that: 1. the specific arrangement of the slide 2 varies; 2. the specific arrangement of the connecting rods 4 varies.

Referring to fig. 4 and 5, the slider 2 includes a first slider 21 and a second slider 22, and a locking groove 201 is formed in the first slider 21. The first slider 21 is slidably matched with the sliding guide groove 101, a T-shaped sliding groove is formed in the first slider 21, and the T-shaped sliding groove extends along the sliding direction of the first slider 21. One of the two adjacent display screen boxes far away from the adjusting seat 1 is detachably arranged on the second sliding block 22, the second sliding block 22 is fixedly provided with a T-shaped sliding block, and the T-shaped sliding block is in sliding fit with the T-shaped sliding groove, so that the angle between the two adjacent display screen boxes can be adjusted more accurately by enabling the second sliding block 22 to slide along the T-shaped sliding groove.

Referring to fig. 4 and 5, the cross section of the connecting rod 4 is circular, one end of the connecting rod 4, which is close to the second slider 22, is penetrated through the first slider 21 and is in running fit with the first slider 21, one end of the connecting rod 4, which is close to the second slider 22, is fixedly provided with an adjusting screw 41 through a universal joint, the second slider 22 is unidirectionally hinged and matched with an adjusting threaded pipe 221, and the rotation axis of the adjusting threaded pipe 221 is arranged along the height direction of the second slider 22, so that the second slider 22 moves towards the direction, which is close to or far away from the first slider 21, by rotating the connecting rod 4.

Referring to fig. 6, one end of the connecting rod 4 far away from the universal joint is penetrated through the positioning slide block 3 and is matched with the positioning slide block 3 in a rotating and sliding manner, and one end of the connecting rod 4 penetrating through the positioning slide block 3 is provided with a fine adjustment locking assembly 7;

Referring to fig. 6 and 7, the fine lock assembly 7 includes a first lock lever 71, an abutment plate 72, a first elastic member 73, and a fine lock member. The inside of the connecting rod 4 is provided with a first fine tuning chamber, and the first fine tuning chamber extends along the length direction, i.e., the axis direction, of the connecting rod 4. The cross section of the first locking rod 71 is circular, one end of the first locking rod 71 is arranged in the first fine tuning chamber, and the first locking rod 71 is in sliding fit with the first fine tuning chamber in a rotating way. Two plate body sliding cavities 404 are formed in the outer peripheral surface of the connecting rod 4, the two plate body sliding cavities 404 are distributed along the radial direction of the connecting rod 4, and the two plate body sliding cavities 404 extend along the length direction of the connecting rod 4. One side of the abutting plate 72 is located in the first fine tuning cavity and is coaxially and rotatably matched with the first locking rod 71 through a bearing, and the other side of the abutting plate 72 penetrates through the plate body sliding cavity 404 and is slidably matched with the plate body sliding cavity 404, so that the abutting plate 72 is in tight fit with the positioning sliding block 3 by pushing the first locking rod 71.

In embodiment 2 of the present application, the type of the first elastic member 73 is selected as a spring. The first elastic piece 73 is located in the first fine tuning cavity, the first elastic piece 73 is sleeved on the first locking rod 71, two ends of the first elastic piece 73 are fixedly installed on the abutting plate 72 and the connecting rod 4 respectively, and the first elastic piece 73 is normally not telescopic. When the abutting plate 72 is in abutting fit with the positioning slider 3, the first elastic member 73 needs to be stretched and overcome the elastic force of the first elastic member 73; when the abutting plate 72 is far away from the positioning slide block 3, the first elastic piece 73 retracts, so that the abutting plate 72 is far away from the positioning slide block 3 under the elastic action of the first elastic piece 73.

Referring to fig. 7 and 8, one end of the connection rod 4 is provided with a first locking hole 401, a second locking hole 402, and a third locking hole 403. The first locking hole 401 is formed in the connecting rod 4, the second locking hole 402 is arranged in a circular shape, the second locking hole 402 is communicated with the first locking hole 401, and the area size of the second locking hole 402 is smaller than that of the first locking hole 401. In embodiment 2 of the present application, the number of the third locking holes 403 is set to two. The two third locking holes 403 are located at both sides of the third locking hole 403, respectively, and the two third locking holes 403 are distributed along the radial direction of the second locking hole 402. The two third locking holes 403 are each connected to the second locking hole 402, and the sum of the area dimensions of the two third locking holes 403 and the second locking hole 402 is smaller than the area dimension of the first locking hole 401, so that the parts to be passed through the second locking hole 402 and the third locking hole 403 are locked by the inner wall of the first locking hole 401.

Referring to fig. 7 and 8, a second fine tuning cavity is opened at one end of the first locking bar 71 near the first locking hole 401, the second fine tuning cavity extends along the length direction of the first locking bar 71, and the cross section of the second fine tuning cavity is in a regular hexagon arrangement;

The fine adjustment locking member includes a second locking lever 74, a locking projection 75, and a second elastic member 76. One end of the second locking rod 74 is slidably matched with the second fine tuning cavity, and the outer peripheral surface of the second locking rod 74 is closely attached to the first locking rod 71, so that the first locking rod 71 drives the second locking rod 74 to rotate together when rotating under the premise of not affecting the sliding movement of the second locking rod 74.

Two bump sliding cavities 711 are formed on the outer peripheral surface of the first locking rod 71, the two bump sliding cavities 711 extend along the length direction of the first locking rod 71, and the two bump sliding cavities 711 are communicated with the second fine tuning cavity. In embodiment 2 of the present application, the number of the locking protrusions 75 is two, both the locking protrusions 75 are fixedly mounted on the second locking lever 74, and the two locking protrusions 75 are respectively inserted into the protrusion sliding cavities 711 and slidably engaged with the protrusion sliding cavities 711.

In embodiment 2 of the present application, the type of the second elastic member 76 is selected as a spring. The second elastic member 76 is coaxially disposed with the second locking rod 74, and one end of the second elastic member 76 is fixedly mounted on the inner wall of the second fine tuning cavity, the other end of the second elastic member 76 is fixedly mounted on the second locking rod 74, and the second elastic member 76 is normally not stretched.

After the locking projection 75 passes through the third locking hole 403, the bottom of the locking projection 75 is disposed near the top inner wall of the first locking hole 401. After the second locking lever 74 is pressed, the bottom of the locking projection 75 is disposed near the bottom inner wall of the first locking hole 401, and after the first locking lever 71 drives the second locking lever 74 to rotate, the locking projection 75 is located in the first locking hole 401.

Referring to fig. 7, the positioning slider 3 is provided with positioning grooves 301, and in embodiment 2 of the present application, the number of positioning grooves 301 is two, the two positioning grooves 301 are respectively located at both sides of the connecting rod 4, and the two positioning grooves 301 extend in the radial direction of the connecting rod 4; the lock handle 6 is fixedly provided with two positioning projections 61 provided in one-to-one correspondence with the respective positioning grooves 301, the positioning projections 61 have elasticity, and in embodiment 2 of the present application, the material of the positioning projections 61 is selected to be rubber.

The implementation principle of the embodiment 2 of the application is as follows: s1, enabling the whole of the first sliding block 21 and the second sliding block 22 to slide and adjust to a position corresponding to the scale of the scale groove 12 through the positioning sliding block 3;

S2, aligning the two locking convex blocks 75 with the third locking holes 403 respectively, pressing the first locking rod 71, enabling the first locking rod 71 to penetrate through the second locking hole 402, enabling the two locking convex blocks 75 to penetrate through the third locking holes 403 respectively, and enabling the first elastic piece 73 to stretch and deform until the abutting plate 72 is close to the positioning sliding block 3;

S3, pressing the second locking rod 74 causes the second elastic piece 76 to generate compression deformation, and the abutting plate 72 is converted from a close state to a tight state under the action of the pressing force, namely, the abutting plate 72 applies pressure to the positioning sliding block 3 at the moment;

S4, while keeping pressing on the first locking rod 71 and the second locking rod 74, rotating the first locking rod 71, wherein the first locking rod 71 rotates relative to the abutting plate 72 through a bearing, and the first locking rod 71 rotates to drive the second locking rod 74 to rotate, so that the locking convex block 75 enters the first locking hole 401;

S5, releasing the first locking rod 71 and the second locking rod 74, wherein the locking projection 75 is in tight fit with the inner wall of the first locking hole 401 under the action of the first elastic piece 73 and the second elastic piece 76, and further, the pressing force equivalent to the pressing force on both the first locking rod 71 and the second locking rod 74 is applied to the abutting plate 72 through the inner wall of the first locking hole 401, so that the abutting plate 72 is always in tight fit with the positioning slide block 3 without pressing;

S6, rotating the locking handle 6 to enable the positioning protrusion 61 to be separated from the positioning groove 301;

S7, pulling the locking handle 6 to enable the connecting rod 4 to rotate. The connecting rod 4 rotates to drive the adjusting screw 41 to rotate through the universal joint, the adjusting screw 41 rotates to enable the adjusting threaded pipe 221 to move in a direction away from the universal joint, and the second sliding block 22 is pulled or pushed to enable the second sliding block 22 to slide in a direction close to or far from the first sliding block 21;

S8, the locking handle 6 is rotated, the positioning protrusion 61 is in tight fit with the outer peripheral surface of the positioning sliding block 3, and the rotation angle of the locking handle 6 is locked, so that the position relationship between the first sliding block 21 and the second sliding block 22 is locked.

The stepless adjustment with higher precision is carried out on the position of the second sliding block 22 through the threads of the adjusting screw 41, which is favorable for calibrating the accumulated assembly errors when the LED display screen with larger assembly dimension specification is assembled, thereby ensuring that the display screens of two adjacent display screen boxes are tightly attached, reducing the gap size between the display screens of the two adjacent display screen boxes, and further ensuring the watching experience of audiences

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (10)

1. The utility model provides a curved surface adjustment structure of LED display screen which characterized in that: the device comprises an adjusting seat (1), a sliding piece (2), a positioning sliding block (3) and an radian locking assembly, wherein the adjusting seat (1) is arranged in one of two adjacent display screen box bodies, the sliding piece (2) is in sliding fit with the adjusting seat (1), the sliding track of the sliding piece (2) is in arc-shaped arrangement, and the sliding piece (2) is arranged in the other one of the two adjacent display screen box bodies;

The adjusting seat (1) is provided with positioning teeth (11), and the positioning teeth (11) extend along the sliding track of the sliding piece (2); the positioning sliding block (3) is arranged on the sliding piece (2), a positioning groove corresponding to the positioning tooth (11) is formed in the positioning sliding block (3), and the radian locking assembly is used for enabling the inner wall of the positioning groove to be in tight fit with the positioning tooth (11).

2. The curved surface adjusting structure of an LED display screen according to claim 1, wherein: the radian locking assembly comprises a connecting rod (4), a reset elastic piece (5) and a locking handle (6), wherein one end of the connecting rod (4) is installed on the sliding piece (2), the other end of the connecting rod (4) is penetrated through the positioning sliding block (3) and is in sliding fit with the positioning sliding block (3), and two ends of the reset elastic piece (5) are respectively installed on the sliding piece (2) and the positioning sliding block (3);

the locking handle (6) is in running fit with one end of the connecting rod (4) penetrating through the positioning sliding block (3), the locking handle (6) is provided with a protruding portion, and when the inner wall of the positioning groove is in tight fit with the positioning teeth (11), the protruding portion is in butt fit with the positioning sliding block (3).

3. The curved surface adjusting structure of an LED display screen according to claim 2, wherein: the sliding piece (2) is provided with a plurality of locking grooves (201), and the locking grooves (201) are distributed along the sliding track of the sliding piece (2);

The adjusting seat (1) is in threaded fit with a locking screw rod (13), and the locking screw rod (13) is provided with a locking protrusion (131) which is arranged corresponding to the locking groove (201).

4. The curved surface adjusting structure of an LED display screen according to claim 1, wherein: the adjusting seat (1) is provided with a sliding guide groove (101) and a sliding adjusting groove (102), the sliding guide groove (101) and the sliding adjusting groove (102) are both arranged in an arc shape, and the sliding guide groove (101) and the sliding adjusting groove (102) are coaxially arranged;

The sliding piece (2) is in sliding fit with the sliding guide groove (101), the positioning sliding block (3) is in sliding fit with the sliding adjustment groove (102), and the positioning sliding block (3) is in close fit with the inner wall of the sliding adjustment groove (102).

5. The curved surface adjusting structure of an LED display screen according to claim 1, wherein: the sliding piece (2) comprises a first sliding block (21) and a second sliding block (22), the first sliding block (21) is in sliding fit with the adjusting seat (1), the sliding track of the first sliding block (21) is in arc-shaped arrangement, the second sliding block (22) is in sliding fit with the first sliding block (21) along the sliding track direction of the first sliding block (21), and the second sliding block (22) is arranged in one of two adjacent display screen boxes far away from the adjusting seat (1);

The radian locking assembly comprises a connecting rod (4), a reset elastic piece (5) and a locking handle (6), one end of the connecting rod (4) penetrates through the first sliding block (21) and is in rotary sliding fit with the first sliding block (21), the other end of the connecting rod (4) penetrates through the positioning sliding block (3) and is in rotary sliding fit with the positioning sliding block (3), and two ends of the reset elastic piece (5) are respectively arranged on the first sliding block (21) and the positioning sliding block (3);

The locking handle (6) is in running fit with one end of the connecting rod (4) penetrating through the positioning sliding block (3), and the locking handle (6) is provided with a protruding part;

One end of the connecting rod (4) penetrating through the first sliding block (21) is provided with an adjusting screw (41) through a universal joint, the second sliding block (22) is in running fit with an adjusting threaded pipe (221), the adjusting screw (41) is in threaded fit with the adjusting threaded pipe (221), and the connecting rod (4) is provided with a fine adjustment locking assembly (7) for enabling the inner wall of the positioning groove to be in tight fit with the positioning teeth (11).

6. The structure for adjusting the curvature of an LED display according to claim 5, wherein: the fine tuning locking assembly (7) comprises an abutting plate (72), a first locking rod (71), a first elastic piece (73) and a fine tuning locking piece, wherein the abutting plate (72) is in sliding fit with the connecting rod (4) along the axis direction of the connecting rod (4), one end of the first locking rod (71) is installed on the abutting plate (72), the other end of the first locking rod (71) is in sliding fit with the connecting rod (4), two ends of the first elastic piece (73) are respectively installed on the connecting rod (4) and the abutting plate (72), and the fine tuning locking piece is used for locking the sliding position of the first locking rod (71).

7. The curved surface adjusting structure of an LED display screen according to claim 6, wherein: a first locking hole (401), a second locking hole (402) and a third locking hole (403) are formed in one end of the connecting rod (4), the second locking hole (402) is communicated with the first locking hole (401), the area size of the second locking hole (402) is smaller than that of the first locking hole (401), the third locking hole (403) is communicated with the second locking hole (402), and the sum of the area sizes of the third locking hole (403) and the second locking hole (402) is smaller than that of the first locking hole (401);

The first locking rod (71) is in running fit with the connecting rod (4) and is in sliding fit with the second locking hole (402) along the axis direction of the connecting rod (4);

The fine tuning locking piece comprises a locking lug (75), the locking lug (75) is mounted on the first locking rod (71), and the area size of the locking lug (75) is smaller than or equal to that of the third locking hole (403).

8. The curved surface adjusting structure of an LED display screen according to claim 7, wherein: the fine adjustment locking piece further comprises a second locking rod (74) and a second elastic piece (76), the second locking rod (74) is slidably matched with the connecting rod (4) along the depth direction of the clamping groove, the locking protruding block (75) is arranged on the second locking rod (74), and two ends of the second elastic piece (76) are respectively arranged on the connecting rod (4) and the second locking rod (74).

9. The curved surface adjusting structure of an LED display screen according to claim 7, wherein: the positioning sliding block (3) is provided with a positioning groove (301), the positioning groove (301) extends along the radial direction of the connecting rod (4), the locking handle (6) is provided with a positioning protrusion (61) which is arranged corresponding to the positioning groove (301), and the positioning protrusion (61) has elasticity.

10. An LED display screen, characterized in that: a curved surface adjusting structure having the LED display screen of any one of claims 1 to 9.