CN113803592A - A radian adjustment unit, radian connection lock and display screen - Google Patents

Abstract

The invention discloses an arc adjustment unit, an arc connection lock and a display screen. Both the arc connection lock and the display screen include an arc adjustment unit. The arc adjustment unit includes a fixed seat, a sliding seat and a first driving member. The fixed seat is slidably connected, and the sliding track is arc-shaped; the first driving member is connected with the fixed seat and abuts with the sliding seat; the first driving member moves relative to the fixed seat, and the first driving member moves relative to the fixed seat; The friction force between a driving member and the sliding seat drives the sliding seat to slide relative to the fixed seat. The present application utilizes the friction force between the first driving member and the sliding seat to make the sliding seat slide relative to the fixed seat, and the displacement of the sliding seat can be very small each time it slides, thereby realizing the adjustment of a small arc.

Description

Radian adjusting unit, radian connecting lock and display screen

Technical Field

The invention relates to the field of display screens, in particular to a radian adjusting unit, a radian connecting lock and a display screen.

Background

In the occasions such as stage and exhibition, large display pictures are generally needed, and the too large display screens are inconvenient to transport. The existing solution is: and splicing the plurality of display screens into a large display screen by using the connecting lock so as to increase the display picture. The large display screen that needs the concatenation to come out sometimes has certain radian, and ordinary connection lock just can not satisfy the demand this moment, needs connect the lock with the help of the radian. In order to facilitate the adjustment of the angle between the display screens during the splicing process, the radian connecting lock also has the function of angle adjustment. The inventor finds that the existing arc connecting lock is inconvenient to realize the adjustment of a small arc.

Disclosure of Invention

In order to solve the existing problems, the invention provides a radian adjusting unit, a radian connecting lock and a display screen.

The technical scheme adopted by the invention is as follows:

an arc adjustment unit comprising:

a fixed seat;

the sliding seat is connected with the fixed seat in a sliding way, and the sliding track is in an arc shape;

the first driving piece is connected with the fixed seat and is abutted against the sliding seat; the first driving part moves relative to the fixed seat, and the friction force between the first driving part and the sliding seat drives the sliding seat to slide relative to the fixed seat.

Furthermore, the first driving part is rotatably connected with the sliding seat, the first driving part is rotated, and the sliding seat is driven by the first driving part to slide relative to the fixed seat.

Furthermore, the fixed seat is provided with a first accommodating groove, and the sliding seat is arranged in the accommodating groove; the first driving piece is transversely arranged at a port of the first accommodating groove.

Further, first driving piece includes actuating lever and friction sleeve, the actuating lever with the fixing base is rotated and is connected, the friction sleeve cover is established on the actuating lever, in order to increase first driving piece with frictional force between the sliding seat.

Further, the friction sleeve is a rubber sleeve.

Furthermore, the surface of the sliding seat abutting against the first driving piece is a non-plane surface so as to increase the friction force between the sliding seat and the first driving piece.

Further, the surface of sliding seat with first driving piece butt has the quadrangle decorative pattern.

Further, the sliding seat includes:

the first unit is connected with the fixed seat in a sliding manner;

the second unit is fixedly connected with the first unit; the second unit has a first surface abutting the first driver.

The sliding seat is provided with a fixed seat, and the sliding seat is provided with a sliding seat and a fixed seat; when the locking piece is at the second position, the sliding seat can slide relative to the fixed seat.

Further, the locking piece is arranged in the fixed seat, and the locking piece can move in the fixed seat to be far away from or close to the sliding seat, so that the conversion between the first position and the second position is realized.

Furthermore, the locking device further comprises a second driving piece, wherein the second driving piece is connected with the fixed seat and is used for operating the second driving piece, and the second driving piece drives the locking piece to move.

Further, the second driving piece is rotatably connected with the fixed seat, the second driving piece is provided with a driving part, the driving part is of an eccentric structure, and at least part of the driving part is arranged in the locking piece; and the second driving piece is rotated, and the driving part drives the locking piece to move.

Further, the locking piece is provided with a first locking structure, the sliding seat is provided with a second locking structure, and the first locking structure and the second locking structure are matched to limit the sliding seat to slide relative to the fixed seat.

Further, the first locking structure includes a first positioning tooth and the second locking structure includes a second positioning tooth, the first positioning tooth and the second positioning tooth cooperating when the locking member is in the first position.

Further, still include the feedback piece, when the sliding seat slides relative the fixing base, the feedback piece with the sliding seat striking.

Further, the feedback piece comprises a metal wire, the metal wire is fixed on the fixed seat, a third positioning tooth is arranged on the surface, in contact with the metal wire, of the sliding seat, and the third positioning tooth is matched with the metal wire.

Further, the fixed seat comprises a guide unit, the sliding seat is provided with an arc-shaped guide groove, and the guide unit can slide in the guide groove so as to realize the sliding of the sliding seat relative to the fixed seat; the guide unit is provided with a second accommodating groove, and the metal wire is arranged in the second accommodating groove and protrudes out of the guide unit.

The radian connecting lock comprises a connecting unit and the radian adjusting unit, wherein the connecting unit is connected with the sliding seat.

A display screen is characterized by comprising a first display unit and the radian adjusting unit, wherein the radian adjusting unit is connected with the first display unit.

In conclusion, the beneficial effects of the invention are as follows:

this application utilizes the frictional force between first driving piece and the sliding seat, makes the relative fixing base of sliding seat slide, and the gliding displacement of sliding seat at every turn can be very little to realize the regulation of little radian.

Drawings

FIG. 1 is a schematic view of a display screen;

FIG. 2 is a partial enlarged view A;

FIG. 3 is a schematic view of an arc adjustment unit;

FIG. 4 is an exploded view of the arc adjustment unit;

fig. 5 is a sectional view of the arc degree adjusting unit.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, an arc connecting lock includes an arc adjusting unit 100 and a connecting unit 200, the connecting unit 200 is fixed to a first display unit 300, the connecting unit 200 is fixed to a second display unit 400, and the first display unit 300 and the second display unit 400 may use LED technology or OLED technology, but may also use other display technologies. The radian adjusting unit 100 is connected with the connecting unit 200 to realize the connection between the first display unit 300 and the second display unit 400.

Referring to fig. 3 and 4, the arc degree adjusting unit 100 includes a fixed seat 1, a sliding seat 2 and a first driving member 3, wherein the fixed seat 1 is used to be fixedly connected with the first display unit 300, and a specific fixing manner may be a screw connection. The fixing seat 1 is provided with a first accommodating groove 101, the fixing seat 1 is approximately concave, the sliding seat 2 is arranged in the first accommodating groove 101, the sliding seat 2 can slide relative to the fixing seat 1, and the sliding track is an arc line. In some embodiments, the fixing base 1 includes a body 102 and a side plate 103, and the body 102 and the side plate 103 are connected by screws to form the first receiving groove 101. The middle of the body 102 is provided with a guide unit 104, the guide unit 104 extends transversely, the sliding seat 2 is provided with an arc-shaped guide groove 201, and the guide unit 104 can slide in the guide groove 201 to realize the sliding of the sliding seat 2 relative to the fixed seat 1. One end of the sliding seat 2, which is far away from the connecting unit 200, is provided with a locking groove 202, and the connecting unit 200 is provided with a locking hook 210, wherein the locking hook 210 is matched with the locking groove 202, so that the radian adjusting unit 100 is connected with the connecting unit 200. The first driving part 3 is connected with the fixed seat 1 and is abutted against the sliding seat 2; the first driving element 3 moves, and the friction force between the first driving element 3 and the sliding seat 2 drives the sliding seat 2 to slide relative to the fixed seat 1. The first driving piece 3 and the sliding seat 2 are utilized to enable the sliding seat 2 to slide relative to the fixed seat 1, and the sliding displacement of the sliding seat 2 at each time can be very small, so that the adjustment of a small radian is realized.

Referring to fig. 3 and 4, the first driving member 3 and the fixing base 1 may be connected in a sliding manner or in a rotating manner. In some embodiments, the first driving element 3 is transversely disposed at a port of the first receiving groove 101, and the first driving element 3 is rotatably connected to the fixing base 1. Specifically, two first mounting holes 105 are formed in one end of the fixed base 1, which is away from the first display unit 300, and the two first mounting holes 105 are respectively located on two sides of the first accommodating groove 101. One end of the first driving member 3 passes through the two first mounting holes 105 and is connected with a screw to prevent the first driving member 3 from being pulled out of the first mounting. Because the first driving member 3 abuts against the sliding seat 2, and the sliding seat 2 slides under the action of the friction force between the sliding seat 2 and the first driving member 3 by rotating the first driving member 3.

Referring to fig. 3 and 4, in order to increase the friction force between the first driving member 3 and the sliding seat 2, the first driving member 3 includes a driving rod 301 and a friction sleeve 302, the driving rod 301 is rotatably connected to the first mounting hole 105, and the friction sleeve 302 is sleeved on the driving rod 301 to increase the friction force between the first driving member 3 and the sliding seat 2. Preferably, the friction sleeve 302 is a rubber sleeve.

Referring to fig. 3 and 4, in order to further increase the friction force between the first driving element 3 and the sliding seat 2 and prevent the first driving element 3 from slipping relative to the sliding seat 2 when rotating, the surface of the sliding seat 2 contacting the first driving element 3 is non-planar. Specifically, the surface of the sliding seat 2 abutted against the first driving piece 3 has a quadrilateral pattern. In some embodiments, the sliding seat 2 includes a first unit 203 and a second unit 204, the first unit 203 is slidably connected to the fixed seat 1, the second unit 204 is embedded in the first unit 203 through a fixing rod 4, the second unit 204 has a first surface 2041, the first surface 2041 abuts against the first driving element 3, and the first surface 2041 may slightly protrude from the first unit 203. The first face 2041 is non-planar. Of course, the sliding seat 2 may also be a single piece.

Referring to fig. 3, 4 and 5, in order to lock the phase position of the sliding seat 2 and the fixed seat 1 after the sliding seat 2 and the fixed seat 1 are radian-adjusted in place. The radian adjusting unit 100 further comprises a locking piece 5, wherein the locking piece 5 can be configured between a first position and a second position different from the first position, and when the locking piece 5 is at the first position, the locking piece 5 limits the sliding of the sliding seat 2 relative to the fixed seat 1; when the locking piece 5 is in the second position, the sliding seat 2 can slide relative to the fixed seat 1. Specifically, the locking member 5 is disposed in the guide unit 104, and the locking member 5 can move up and down relative to the guide unit 104 to move away from or close to the sliding seat 2, so as to switch between the first position and the second position. Specifically, the locking member 5 has a first locking structure, and the sliding seat 2 (specifically, the second unit 204) has a second locking structure, and the first locking structure and the second locking structure cooperate to limit the sliding of the sliding seat 2 relative to the fixed seat 1. Preferably, the first locking structure comprises a first positioning tooth 501, the second locking structure comprises a second positioning tooth 2042, and when the locking member 5 is in the first position, the first positioning tooth 501 and the second positioning tooth 2042 cooperate to limit the sliding seat 2 from sliding relative to the fixed seat 1; when the locking member 5 is in the second position, the first positioning teeth 501 and the second positioning teeth 2042 are separated, and the sliding seat 2 can slide relative to the fixed seat 1.

Referring to fig. 3, 4 and 5, in order to facilitate the movement of the locking member 5, the arc degree adjusting unit 100 further includes a second driving member 6, the second driving member 6 is connected to the fixing base 1, the second driving member 6 is operated, and the second driving member 6 drives the locking member 5 to move. In some embodiments, the second driving member 6 extends into the guiding unit 104 and is connected to the locking member 5, and the second driving member 6 is rotatably connected to the fixing base 1, the second driving member 6 has a driving portion 601, the driving portion 601 is an eccentric structure (cam structure), the driving portion 601 is at least partially disposed in the locking member 5, the second driving member 6 is rotated, and the driving portion 601 drives the locking member 5 to move up and down. Of course, the second driving member 6 may also be slidably connected to the fixed seat 1, and the second driving member 6 is slid, so that the second driving member 6 drives the locking member 5 to move. In order to facilitate the rotation of the second driving member 6, the radian adjusting unit 100 further includes a knob 7, the knob 7 protrudes from the fixing seat 1 and is fixedly connected to the second driving member 6, and the specific fixing manner may be a clamping connection.

Referring to fig. 4, in order to provide a feedback during the sliding of the sliding seat 2 relative to the fixed seat 1, the arc degree adjusting unit 100 further includes a feedback member 8, and when the sliding seat 2 slides relative to the fixed seat 1, the feedback member 8 collides with the sliding seat 2. Specifically, the feedback member 8 includes a metal wire, the guide unit 104 is provided with a second receiving slot 1041, and the metal wire is disposed in the second receiving slot 1041 and protrudes from the guide unit 104. The surface of the sliding seat 2 contacting the metal wire is provided with third positioning teeth (not shown in the figure, similar to the second positioning teeth 2042), the third positioning teeth are matched with the metal wire, and when the sliding seat 2 slides relative to the fixed seat 1, the metal wire slides on the third positioning teeth.

Referring to fig. 1, the display screen includes a first display unit 300 and an arc adjustment unit 100, wherein the arc adjustment unit 100 is fixedly connected to the first display unit 300.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (19)

1. A radian adjustment unit, is characterized in that, comprises: fixed seat; The sliding seat is slidably connected with the fixed seat, and the sliding track is arc-shaped; A first driving member is connected to the fixed seat and abuts with the sliding seat; the first driving member moves relative to the fixed seat, and the friction force between the first driving member and the sliding seat The sliding seat is driven to slide relative to the fixed seat. 2 . The radian adjustment unit according to claim 1 , wherein the first driving member is rotatably connected to the sliding seat, the first driving member is rotated, and the first driving member drives the The sliding seat slides relative to the fixed seat. 3. The arc adjustment unit according to claim 2, wherein the fixed seat is provided with a first accommodating groove, and the sliding seat is provided in the accommodating groove; the first driving member It is horizontally arranged at the port of the first accommodating groove. 4 . The arc adjustment unit according to claim 1 , wherein the first driving member comprises a driving rod and a friction sleeve, the driving rod is rotatably connected with the fixing seat, and the friction sleeve is arranged on the fixed seat. 5 . on the driving rod to increase the frictional force between the first driving member and the sliding seat. 5 . The arc adjustment unit according to claim 4 , wherein the friction sleeve is a rubber sleeve. 6 . 6 . The arc adjustment unit according to claim 1 , wherein the abutting surface of the sliding seat and the first driving member is non-planar, so as to increase the distance between the sliding seat and the first driving member. 7 . Friction between the drive parts. 7 . The radian adjustment unit according to claim 6 , wherein the surface on which the sliding seat abuts against the first driving member has a quadrilateral pattern. 8 . 8. The arc adjustment unit according to claim 6 or 7, wherein the sliding seat comprises: a first unit, slidably connected with the fixing seat; The second unit is fixedly connected with the first unit; the second unit has a first surface, and the first surface is in contact with the first driving member. 9. The arc adjustment unit according to claim 1, further comprising a locking member, the locking member can be configured between a first position and a second position different from the first position, when the locking member is When the locking member is in the first position, the locking member restricts the sliding seat from sliding relative to the fixed seat; when the locking member is in the second position, the sliding seat can slide relative to the fixed seat. 10 . The arc adjustment unit according to claim 9 , wherein the locking member is provided in the fixed seat, and the locking member can move in the fixed seat to achieve distance from or close to the fixed seat. 11 . the sliding seat, so as to realize the conversion between the first position and the second position. 11 . The radian adjustment unit according to claim 10 , further comprising a second driving member, the second driving member is connected with the fixing seat, and the second driving member is operated, and the first driving member is operated. 12 . Two driving members drive the locking member to move. 12 . The arc adjustment unit according to claim 11 , wherein the second driving member is rotatably connected to the fixing base, the second driving member has a driving part, and the driving part is an eccentric structure. 13 . , the driving part is at least partially arranged in the locking piece; when the second driving piece is rotated, the driving part drives the locking piece to move. 13. The arc adjustment unit according to claim 9, wherein the locking member has a first locking structure, the sliding seat has a second locking structure, the first locking structure and the second locking structure The locking structure cooperates to limit the sliding of the sliding seat relative to the fixed seat. 14. The arc adjustment unit according to claim 13, wherein the first locking structure comprises a first positioning tooth, the second locking structure comprises a second positioning tooth, and the locking member is located at the In the first position, the first positioning teeth are matched with the second positioning teeth. 15 . The radian adjustment unit according to claim 1 , further comprising a feedback member, and when the sliding seat slides relative to the fixed seat, the feedback member collides with the sliding seat. 16 . 16 . The arc adjustment unit according to claim 15 , wherein the feedback member comprises a metal wire, the metal wire is fixed on the fixed seat, and the surface of the sliding seat in contact with the metal wire is 16 . A third positioning tooth is provided, and the third positioning tooth is matched with the metal wire. 17 . The arc adjustment unit according to claim 16 , wherein the fixed seat comprises a guide unit, the sliding seat has an arc-shaped guide groove, and the guide unit can slide in the guide groove. 18 . , so that the sliding seat can slide relative to the fixed seat; the guide unit is provided with a second accommodating groove, and the metal wire is arranged in the second accommodating groove and protrudes from the guide unit. 18. An arc connection lock, characterized in that it comprises a connection unit and the arc adjustment unit according to any one of claims 1-17, wherein the connection unit is connected with the sliding seat. 19. A display screen, characterized by comprising a first display unit and the radian adjustment unit according to any one of claims 1-17, wherein the radian adjustment unit is connected to the first display unit.

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