CN220204370U - Radian lock and display device - Google Patents

Abstract

The application relates to an arc lock and a display device, wherein the arc lock comprises a connecting component and a fastening component, the connecting component comprises a fixed seat and a sliding seat, and the sliding seat is movable relative to the fixed seat; the fastening component comprises an operation structure, a locking piece and a pressing structure, wherein the pressing structure is movably arranged on one of the fixed seat and the sliding seat and forms limit fit with the other one when being driven by a driving force, the pressing structure is mutually sleeved with the operation structure, and the operation structure is rotatably connected with the connecting component. When the locking device is in the locking position, the locking piece is connected between the operation structure and the pressing structure, so that the operation structure is fixed relative to the pressing structure; in the unlocked position, the locking member is separated from the operating structure and/or the connecting assembly, and the operating structure is forced to rotate to provide a driving force to the pressing structure. The locking piece can reduce the loosening probability of the fixed seat and the sliding seat under the reaction of the connecting component, so that the structure is stable. The display device comprises the radian lock, and the structure is more stable.

Description

Radian lock and display device

Technical Field

The application relates to the technical field of display, in particular to an arc lock and a display device.

Background

A display screen is an electronic component widely used for displaying image content or text content. A display screen in the conventional art generally includes display modules and a connection structure connected between adjacent display modules by the connection structure, so as to splice a plurality of display modules into a whole for display. And the display screen formed by splicing the display modules not only comprises a straight screen, but also comprises a display screen with an inner arc shape or an outer arc shape. This requires the connection structure to have the ability to adjust the angle between the display modules.

However, in the display screen, when the connection structure is provided with the capability of adjusting the included angle between the display modules, the stability of the connection structure when connecting two adjacent display modules is easily reduced.

Disclosure of Invention

Based on this, it is necessary to provide an arc lock and a display device for improving the stability of the connection structure when the connection structure is connected to the display screen while ensuring the connection structure to have the capability of adjusting the angle between the display screens.

The application provides an radian lock, the radian lock includes:

the connecting assembly comprises a fixed seat and a sliding seat, and the sliding seat is movable relative to the fixed seat;

the fastening assembly comprises an operation structure, a locking piece and a pressing structure, wherein the pressing structure is movably arranged on one of the fixed seat and the sliding seat and forms limit fit with the other one when being driven by a driving force, the pressing structure is sheathed with the operation structure, and the operation structure is rotatably connected with the connecting assembly;

when the locking device is in the locking position, the locking piece is connected between the operation structure and the pressing structure, so that the operation structure is fixed relative to the pressing structure; when the locking piece is in the unlocking position, the locking piece is separated from the operation structure and/or the connecting assembly, so that the operation structure is stressed to rotate to provide driving force for the pressing structure.

In one embodiment, a plurality of limiting portions are disposed in the circumferential direction of the pressing structure, and the locking member is rotatably disposed on the operating structure, so as to be clamped with different limiting portions or separated from the limiting portions.

In one embodiment, the pressing structure slidably penetrates through the connecting component, one of the pressing structure and the operating structure is provided with a first transmission part, the other one of the pressing structure and the operating structure is provided with a second transmission part, the first transmission parts are distributed along the spiral line in an extending mode, the second transmission parts are in sliding fit with the first transmission parts, and the first transmission parts can limit the sliding track of the second transmission parts.

In one embodiment, the first transmission part and the second transmission part are connected at the sleeving part of the pressing structure and the operation structure, so that the pressing structure is driven to slide reciprocally when the operation structure rotates.

In one embodiment, the operation structure comprises a handle and a pull rod, the first transmission part or the second transmission part is arranged on the pull rod, one end of the pull rod is connected with the handle, the other end of the pull rod protrudes radially and is provided with an abutting part, the pull rod penetrates through the sliding seat, and the abutting part abuts against one side, deviating from the pressing structure, of the sliding seat.

In one embodiment, the pressing structure includes a first connecting portion, the outer circumferential surface of the first connecting portion includes a first area protruding from the first circumferential surface and provided with the limiting portion, and a second area not provided with the limiting portion, the handle is provided with a limiting bar corresponding to the second area, and when the handle rotates to different sides, the limiting bar is respectively abutted to the two limiting portions at the junction of the first area and the second area.

In one embodiment, the pressing structure further comprises a pressing block connected with the first connecting portion, the pressing block is slidable relative to the sliding seat, a first tooth portion is arranged on one side end face of the pressing block, which faces the fixing seat, a second tooth portion is arranged on one side of the fixing seat, which faces the pressing block, and the first tooth portion is tightly meshed with the second tooth portion when the pressing block is driven by the driving force.

In one embodiment, the arc lock includes a first return member coupled between the operating structure and the locking member to resiliently drive the locking member in a direction moving to the locking position.

In one embodiment, the sliding seat is provided with a guide hole, the pressing structure slidably penetrates through the guide hole, the radian lock comprises a second reset piece arranged in the guide hole, and the second reset piece is abutted between the bottom wall of the guide hole and the pressing structure so as to elastically push the pressing structure in a direction away from the connecting assembly.

The application also provides a display device, which comprises: the radian lock of any one of the above embodiments and a plurality of display modules, wherein the radian lock is connected between two adjacent display modules.

In the radian lock, the driving force can be provided for the pressing structure by actively driving the operation structure to rotate, so that the pressing structure is in limit fit with the fixed seat or the sliding seat, and the sliding seat and the fixed seat have stable relative positions. And when the locking piece is in the locking position, the operation structure and the pressing structure can be kept relatively fixed, and at the moment, the pressing structure can not reversely drive the operation structure to move under the reaction of the connecting assembly, namely, the limit fit of the pressing structure and the connecting assembly can not be loosened under the reaction of the connecting assembly. Thus, the arc lock can be stably connected between the two display modules.

Drawings

Fig. 1 is a top view of a display device according to the prior art.

Fig. 2 is a cross-sectional view of the display device of fig. 1 taken along line A-A.

Fig. 3 is a cross-sectional view of the display device of fig. 2 when the lock of the arc lock is released.

Fig. 4 is an isometric view of a radian lock according to an embodiment of the present application.

Fig. 5 is an exploded view of the radian lock of fig. 4.

Fig. 6 is a cross-sectional view of the arc lock of fig. 4 taken along line B-B.

Fig. 7 is an exploded view of the pressing structure of the arc lock of fig. 5.

FIG. 8 is an exploded view of the handle and locking member of the radian lock of FIG. 5.

Fig. 9 is an isometric view of the radian lock of fig. 4 from another perspective.

Fig. 10 is an isometric view of the operating mechanism of the radian lock of fig. 5.

Reference numerals: 100. a radian lock; 110. a connection assembly; 1110. a fixing seat; 1111. a guide groove; 1111a, a second opening; 1111b, a positioning groove; 1112. a second tooth portion; 1113. a ruler; 1120. a sliding seat; 1121. a guide hole; 1121a, a sliding bore section; 1121b, spacer rings; 1121c, abutting the bore section; 1122. a positioning body; 120. a fastening assembly; 121. an operating structure; 1211. a handle; 1211a, mating cavity; 1211b, a first opening; 1212. a pull rod; 1212a, an abutment; 122. a locking piece; 1221. a connecting sheet; 1222. a clamping part; 123. a pressing structure; 1231. a first connection portion; 1231a, a limiting part; 1231b, first region; 1231c, second region; 1231d, driving holes; 1232. briquetting; 1232a, first teeth; 1233. a second connecting portion; 130. a second reset member; 140. a third reset member; 10a, a display device; 11a, a display module; 12a, radian lock.

Detailed Description

In order to make the above objects, features and advantages of the present application more 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 application. This application is, however, susceptible of embodiment in many other forms than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the application, and therefore the application is not to be limited to the specific embodiments disclosed below.

In the description of the present application, it should be understood that, if there are terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., these terms refer to the orientation or positional relationship based on the drawings, which are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the terms "plurality" and "a plurality" if any, mean at least two, such as two, three, etc., unless specifically defined otherwise.

In this application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly. For example, the two parts can be fixedly connected, detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, the meaning of a first feature being "on" or "off" a second feature, and the like, is that the first and second features are either in direct contact or in indirect contact through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that if an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. If 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," "upper," "lower," "left," "right," and the like as used herein, if any, are for descriptive purposes only and do not represent a unique embodiment.

The inventor of the present application has found that a display device in the conventional technology includes a plurality of display modules and a plurality of connection structures, wherein the connection structures are used for connecting between adjacent display modules, so that each display module is spliced in an array, and the plurality of display modules are mutually matched to display contents as an integral display device. Along with the change of demands in different application scenes, the connection structure is gradually required to splice out the display device which is in an inner arc shape or an outer arc shape.

To meet the above-mentioned needs, one skilled in the art proposes an arc lock 12a. As shown in fig. 1 to 3, the arc lock 12a is used to connect between adjacent display modules 11a, so as to not only stabilize the position between the adjacent display modules 11a, but also allow the adjacent display modules 11a to adjust the relative angles of the two display modules within a certain angle range, so that the display device 10a can take an inner arc shape or an outer arc shape. However, the arc lock 12a has a poor effect in locking the angle between the two display devices 10 a. When the arc lock 12a connects two adjacent display modules 11a, the area where the arc lock 12a is located is not directly connected with an external support structure, which results in that the area where the arc lock 12a is located needs to bear a large bending moment, and when the bending moment reacts to the arc lock 12a, the arc lock 12a moves in the opposite direction of the locking direction, so that the locking effect of the arc lock 12a is reduced, and the included angle between the display modules 11a is changed. Taking the example shown in fig. 1 to 3 as an example, when the locking effect of the arc lock 12a is not good, the two adjacent display devices 10a deflect at the position where the arc lock 12a is located under the action of the external force, that is, the mode shown in fig. 2 is changed into the mode shown in fig. 3. Thus, adjacent display modules 11a will have an unexpected angle.

In order to solve the above problem, the present application provides an arc lock and a display device, the display device includes the arc lock and a plurality of display modules, the arc lock is connected between adjacent display modules for adjust the contained angle between the display modules, and make display device keep in this contained angle. The radian lock has a similar self-locking effect, so that the occurrence probability of the condition that the radian lock is released under the reaction of the display module can be reduced. The arc lock and the display device are described in detail below with reference to the drawings and detailed description.

Referring to fig. 4, a display device provided in an embodiment of the present application includes a plurality of display modules and an arc lock 100, wherein the arc lock 100 is connected between adjacent display modules for adjusting an included angle between the adjacent display modules. In addition, the arc lock 100 can lock two display modules connected with the arc lock 100 within an adjustable range, so that the two display modules can be stably kept at the adjusted included angle. So configured, the display device formed by the plurality of display modules spliced by the arc lock 100 can be in an inner arc shape or an outer arc shape. It should be understood that the number of the arc locks 100 and the number of the display modules may be set according to actual requirements, which is not limited herein.

Referring to fig. 4-7, in one embodiment, the radian lock 100 includes a connecting component 110 and a fastening component 120. The connecting assembly 110 includes a fixed base 1110 and a sliding base 1120, and the sliding base 1120 is movable relative to the fixed base 1110. Therefore, the relative angle between the sliding seat 1120 and the fixed seat 1110 is adjusted to adjust the included angle between two adjacent display modules.

The fastening assembly 120 includes an operating structure 121, a locking member 122, and a pressing structure 123. The pressing structure 123 is movably disposed on one of the fixed base 1110 and the sliding base 1120, and forms a limit fit with the other when being driven, so that the positions of the fixed base 1110 and the sliding base 1120 are relatively stable, thereby defining a position between two adjacent display modules, and enabling the two adjacent display modules to be stably maintained at the adjusted included angle position.

The pressing structure 123 is coupled with the operating structure 121, and the operating structure 121 is rotatably coupled with the connection assembly 110. When in the locking position, the locking member 122 is connected between the operating structure 121 and the pressing structure 123, so that the operating structure 121 is fixed relative to the pressing structure 123. In the unlocked position, the locking member 122 is disengaged from the operating structure 121 and/or the connection assembly 110 for forced rotation of the operating structure 121 to provide a driving force to the pressing structure 123. Therefore, when the locking member 122 is in the unlocking position, the driving force can be provided to the pressing structure 123 by actively driving the operation structure 121 to rotate, so that the pressing structure 123 is in limit fit with the fixing base 1110 or the sliding base 1120, and the sliding base 1120 and the fixing base 1110 have stable relative positions. When the locking member 122 is in the locking position, the operating structure 121 and the pressing structure 123 can be kept relatively fixed, and at this time, the pressing structure 123 cannot back-drive the operating structure 121 to move under the reaction of the connecting assembly 110, that is, the limit fit between the pressing structure 123 and the connecting assembly 110 cannot be released under the reaction of the connecting assembly 110. Thus, the arc lock 100 can be stably coupled between the two display modules.

It can be understood that when the locking member 122 is in the unlocked position, the operating structure 121 can be controlled not to provide the driving force to the pressing structure 123, so that the relative position of the sliding seat 1120 and the fixed seat 1110 can be adjusted, i.e. the angle between two adjacent display modules connected by the arc lock 100 can be adjusted.

Regarding the limiting effect of the locking member 122 in the locked position on the operating structure 121 and the pressing structure 123, it is understood that the pressing structure 123 is also capable of driving the operating structure 121 back to some extent due to the mutual action of the forces in the driving relationship between the operating structure 121 and the pressing structure 123. In the present embodiment, the locking member 122 is disposed between the operating structure 121 and the pressing structure 123 when in the locking position, so that the two cannot move relatively, and the transmission of force between the operating structure 121 and the pressing structure 123 is blocked, i.e. the locking member 122 has a self-locking effect. Thereby, the pressing structure 123 is directly limited to be unable to reversely move the operating structure 121 to loosen under the reaction of the connecting assembly 110.

In one embodiment, the sliding seat 1120 and the fixed seat 1110 are respectively used for connecting different display modules. The fixing base 1110 can define the sliding base 1120 to slide along an arc track.

In order to facilitate understanding of the locking manner of the arc lock 100, the following description will be given by taking the pressing structure 123 disposed on the sliding seat 1120 as an example.

Referring to fig. 5 and 6, the operating structure 121 includes a handle 1211 and a pull rod 1212, the handle 1211 is in driving connection with the pull rod 1212, and an abutment portion 1212a is disposed at an end of the pull rod 1212. One end of the pull rod 1212 is inserted through the slide holder 1120 and abuts against a side of the slide holder 1120 facing away from the pressing structure 123 through the abutting portion 1212a. The pressing structure 123 includes a first connecting portion 1231, a pressing block 1232, and a second connecting portion 1233, which are sequentially connected and are all sleeved on the pull rod 1212, and the first connecting portion 1231 is in driving connection with the pull rod 1212 through a threaded structure. Thus, when the handle 1211 drives the pull rod 1212 to rotate, the pull rod 1212 can drive the pressing structure 123 to move in a direction approaching the connection assembly 110, that is, in a direction approaching the fixing base 1110, through the screw structure. Thus, the pressing block 1232 and the abutting part 1212a cooperate to clamp the connecting assembly 110 from two opposite sides, so that the pressing block 1232 and the fixing base 1110 can form tight limit cooperation. It is understood that the sliding seat 1120 can define the pressing structure 123 to perform the reciprocating sliding motion only in the preset direction, and not to rotate together with the pull rod 1212. Thereby facilitating the conversion of the rotational movement of the pull rod 1212 into a reciprocating sliding movement of the pressing structure 123.

Further, the locking member 122 is rotatably disposed on the handle 1211, and when the locking member 122 is in the locking position, the locking member 122 is engaged with the limiting portion 1231a disposed on the outer periphery of the first connecting portion 1231, so that the pull rod 1212 and the first connecting portion 1231 cannot rotate relatively. Since the pull rod 1212 and the first coupling portion 1231 cannot be rotated relatively, the pressing block 1232 cannot be moved in the axial direction. Thus, by the locking member 122 being in the locking position, the possibility of loosening the fit between the pressing block 1232 and the fixing base 1110 under the reaction of the display module can be reduced.

The specific structure included in the arc lock 100 is described in detail below.

Referring to fig. 8 and 9, in one embodiment, a plurality of limiting portions 1231a are disposed in the circumferential direction of the pressing structure 123. The locking member 122 is rotatably disposed on the operation structure 121 to be engaged with the different limiting portions 1231a or separated from each of the limiting portions 1231a. When the locking member 122 is engaged with different limiting portions 1231a, the operating structure 121 and the pressing structure 123 can be limited at different circumferential positions, so as to achieve multi-position locking. It can be appreciated that when the locking member 122 is at the locking position, the locking member 122 is engaged with the limiting portion 1231 a; when the locking member 122 is in the unlocked position, the locking member 122 is separated from the limiting portion 1231a, and the locking member 122 can be moved between the locked position and the unlocked position by actively driving the locking member 122.

Referring to fig. 8, in one embodiment, the locking member 122 includes a connecting piece 1221 and a clamping portion 1222. The connecting piece 1221 is rotatably connected to the operating structure 121, and the clamping portion 1222 is connected to the connecting piece 1221 and protrudes from the connecting piece 1221. The limiting portions 1231a are in a groove-shaped structure, and when the connecting piece 1221 rotates relative to the operation structure 121, the clamping portions 1222 can be clamped into different limiting portions 1231a or separated from each limiting portion 1231a.

In one embodiment, the radian lock 100 includes a first reset member (not shown) coupled between the operating structure 121 and the locking member 122 to resiliently drive the locking member 122 in a direction of movement to the locked position. Thus, the locking member 122 can be maintained in the locked position by the first restoring member; alternatively, when the locking member 122 is at a position other than the locking position, the locking member 122 can be automatically restored to the locking position to lock the operating structure 121 and the pressing structure 123.

Of course, in one embodiment, the limiting portion 1231a is not limited to a groove-shaped structure, the limiting portion 1231a may have a protrusion-shaped structure, and the clamping portion 1222 may be provided with a clamping groove matching with the protrusion-shaped limiting portion 1231a.

The locking member 122 is not limited to being provided on the operating structure 121. For example, the locking member 122 may be disposed on the first connecting portion 1231. The locking member 122 may be an elastic hook, and the inner circumferential surface of the operating structure 121 may be provided with a plurality of limiting portions 1231a that are matched with the locking member 122, and the plurality of limiting portions 1231a are distributed at intervals. The locking piece 122 may be separated from the limiting part 1231a by compressing the locking piece 122, so that the operating structure 121 can be rotated with respect to the pressing structure 123. When the locking member 122 is released, the locking member 122 can be locked with the limiting portion 1231a based on the elastic restoring property. Of course, the locking member 122 may also be movably disposed on the connection assembly 110.

The locking member 122 may also be provided separately from the operating structure 121 and the pressing structure 123. For example, the locking member 122 may be a separable component such as a latch, a locking plate, etc., and when the operating structure 121 needs to be turned, the locking member 122 is removed from between the operating structure 121 and the pressing structure 123; when the operation structure 121 and the pressing structure 123 need to be locked by the locking member 122, the locking member 122 can be correspondingly connected between the operation structure 121 and the pressing structure 123.

Referring to fig. 5 to 7, in one embodiment, the pressing structure 123 is slidably disposed through the connection assembly 110 to move axially relative to the connection assembly 110 when being driven, so as to be in a limit fit with the connection assembly 110 or be separated from the connection assembly 110. One of the pressing structure 123 and the operating structure 121 is provided with a first transmission portion (not shown in the drawings, the same applies hereinafter), and the other is provided with a second transmission portion (not shown in the drawings, the same applies hereinafter), the first transmission portion extends along a spiral line, the second transmission portion is in sliding fit with the first transmission portion, and the first transmission portion can define a sliding track of the second transmission portion. Thus, through the limit fit of the first transmission portion to the second transmission portion, when the operation structure 121 rotates, the pressing structure 123 can be driven to move wholly in the axial direction of the spiral line, so as to realize sliding relative to the connection assembly 110. In other words, by means of the driving engagement between the first driving portion and the second driving portion, the rotational movement of the operating structure 121 can be converted into the axial sliding movement of the pressing assembly, so as to be in a limit engagement with the connecting assembly 110 or be separated from the connecting assembly 110.

It will be appreciated that the movement is relative to each other, i.e. the law of relative movement between the first and second transmission parts is the same. That is, no matter which of the first transmission portion and the second transmission portion is disposed on the operation structure 121; when the operation structure 121 is rotated, the pressing structure 123 can always be driven to perform a sliding motion. Of course. The same applies to the case where the pressing structure 123 drives the operation structure 121 reversely.

In one embodiment, the second transmission part may also extend along a spiral line. In this embodiment, the first transmission portion and the second transmission portion may be an internal thread structure and an external thread structure that are mutually matched. By the screw-fit, the rotational movement of the operating structure 121 can be exchanged for the axial movement of the pressing structure 123.

Of course, the first transmission portion and the second transmission portion are not limited to structures that each extend along a spiral line. For example, in one embodiment, the first transmission portion may be a bar-shaped groove extending along a spiral line, the second transmission portion may be a slider penetrating the bar-shaped groove, and the second transmission portion may slide along the bar-shaped groove, and a groove wall of the bar-shaped groove may define a position of the slider. In this way, it is possible to realize conversion of the rotational movement of the operation structure 121 into the axial sliding movement of the pressing structure 123.

Referring to fig. 6 and 9, in one embodiment, the pressing structure 123 is slidably disposed through the sliding seat 1120, and the pressing structure 123 can move along with the sliding seat 1120 to different areas on the corresponding fixed seat 1110 to limit fit with the different areas on the fixed seat 1110. Thus, the sliding seat 1120 can be limited at different positions relative to the fixed seat 1110 by the limiting connection action of the pressing structure 123. Of course, the same is true for the other hand, when the sliding seat 1120 slides to different positions relative to the fixed seat 1110, the pressing structure 123 can correspond to different areas on the sliding seat 1120 to limit and cooperate with the different areas on the sliding seat 1120, so as to limit the sliding seat 1120 to different positions relative to the fixed seat 1110.

For ease of understanding and description, the pressing structure 123 is slidably disposed through the sliding seat 1120 in each embodiment, and it should be understood that the same is true, and therefore, the description is omitted.

Referring to fig. 6, in one embodiment, the sliding seat 1120 is provided with a guide hole 1121, and the pressing structure 123 slidably penetrates the guide hole 1121. The pressing structure 123 includes a second restoring member 130 provided in the guide hole 1121, the second restoring member 130 abutting between the bottom wall of the guide hole 1121 and the pressing structure 123 to elastically push the pressing structure 123 in a direction away from the connection assembly 110. In this way, when the operation structure 121 no longer provides the driving force to the pressing structure 123, the pressing structure 123 moves away from the connecting assembly 110 under the pushing of the second reset member 130, so that the pressing structure 123 is separated from the limiting engagement with the connecting assembly 110. At this time, the sliding seat 1120 can slide relative to the fixed seat 1110 to adjust the angular position.

In order to restrict the rotation of the pressing structure 123 in the circumferential direction, the guide hole 1121 may be provided to have a non-circular cross section. For example, the guide hole 1121 may be a square hole, and a portion of the structure in the pressing structure 123 matches the shape of the guide hole 1121. Thereby, the pressing structure 123 can be made to axially slide while the rotation of the pressing structure 123 is restricted by the guide hole 1121.

Referring to fig. 5 and fig. 6, in one embodiment, the first transmission portion and the second transmission portion are connected at a socket joint of the pressing structure 123 and the operating structure 121, so as to drive the pressing structure 123 to move when the operating structure 121 rotates. The pressing structure 123 and the operating structure 121 are in a sleeved transmission connection manner, so that the relative positions of the pressing structure 123 and the operating structure 121 are more stable, and the operating structure 121 can conveniently and stably drive the pressing structure 123 to slide along the guide hole 1121, namely, slide along the axial direction of the operating structure 121.

Referring to fig. 6 and 10, in one embodiment, the operation structure 121 includes a handle 1211 and a pull rod 1212, and the first transmission portion or the second transmission portion is disposed in the pull rod 1212, that is, the operation structure 121 may be directly connected to the pressing structure 123 through the pull rod 1212 to transmit motion to the pressing structure 123. One end of the pull rod 1212 is connected with the handle 1211, the other end of the pull rod 1212 is provided with an abutting part 1212a in a protruding way along the radial direction, the pull rod 1212 is penetrated with a sliding seat 1120, and the abutting part 1212a abuts against one side of the sliding seat 1120 away from the pressing structure 123. Since the abutting portion 1212a protrudes in the radial direction of the pull rod 1212, the pull rod 1212 does not move relative to the slide holder 1120 in the axial direction of the pull rod 1212 due to the abutting action of the abutting portion 1212a and the slide holder 1120. Thus, when the pull rod 1212 rotates, the pull rod 1212 can pull the pressing structure 123 to move in a direction approaching the connection assembly 110 through the first transmission portion or the second transmission portion, so that the pressing structure 123 can form a tight limit fit with the fixing base 1110.

In one embodiment, the abutting portion 1212a may be integrally provided with the pull rod 1212, the abutting portion 1212a may be separately provided with the pull rod 1212 and connected to an end of the pull rod 1212 remote from the pressing structure 123, for example, the abutting portion 1212a may be a screw, which has a radial dimension larger than that of the pull rod 1212, so as to abut against the sliding seat 1120 for limiting.

Referring to fig. 6, in one embodiment, the first transmission portion is disposed on the pull rod 1212, and the second transmission portion is disposed on the pressing structure 123. The pressing structure 123 is provided with a transmission hole 1231d, and the pull rod 1212 is sleeved with the pressing structure 123 through the transmission hole 1231 d. The first transmission portion may be disposed on the outer surface of the pull rod 1212, and the second transmission portion is disposed on the wall of the transmission hole 1231d, so that the push structure 123 can be pulled by the second transmission portion to move in a direction close to the connection assembly 110 when the pull rod 1212 rotates, so that the push structure 123 can form a tight limit fit with the fixing seat 1110.

Referring to fig. 6 and 7, in one embodiment, the pressing structure 123 includes a first connection portion 1231 and a pressing block 1232 connected to each other. The transmission hole 1231d is disposed on the first connecting portion 1231, and the pull rod 1212 is simultaneously inserted through the first connecting portion 1231 and the pressing block 1232 to connect with the sliding seat 1120.

The outer circumferential surface of the first connecting portion 1231 includes a first region 1231b protruding from the limiting portion 1231a and a second region 1231c not provided with the limiting portion 1231a, and the handle 1211 is provided with a limiting bar corresponding to the second region 1231 c. When the handle 1211 is rotated to different sides, the stopper is abutted against the two stoppers 1231a at the junction of the first region 1231b and the second region 1231c, respectively, so as to limit the rotation range of the handle 1211. Thus, the limit of the rotation range of the handle 1211 by the limiting portion 1231a can limit the rotation range of the pull rod 1212, so as to prevent the pull rod 1212 from rotating relative to the first connecting portion 1231 to a position where the first transmission portion is separated from the second transmission portion.

In one embodiment, the first region 1231b occupies 3/4 of the outer circumferential surface of the first connecting portion 1231, and the second region 1231c occupies 1/4 of the outer circumferential surface of the first connecting portion 1231. That is, the handle 1211 is rotatable only within a range of 90 ° by the restriction of the restriction 1231a.

As shown in fig. 7, the limiting portion 1231a is provided in a partial region of the outer circumferential surface of the first connecting portion 1231, so that the entire first connecting portion 1231 approximates to an incomplete gear. The locking member 122 is engaged with each of the tooth grooves of the first coupling portion 1231 to form locking.

Referring to fig. 6 to 8, in one embodiment, the handle 1211 is provided with a mating cavity 1211a in a hollow shape, and the mating cavity 1211a has a first opening 1211b communicating with the outside. The first connecting portion 1231 is located in the mating cavity 1211a, the connecting piece 1221 is rotationally connected to the handle 1211, and the clamping portion 1222 is inserted into the mating cavity 1211a through the first opening 1211b and is in clamping fit with the limiting portion 1231a.

Referring to fig. 6 and 10, in one embodiment, an end of the pull rod 1212 far from the sliding seat 1120 is exposed at the first connecting portion 1231 and connected to the cavity wall of the mating cavity 1211a for synchronous rotation under the driving of the handle 1211.

Referring to fig. 9, in one embodiment, the limit fit manner of the pressing structure 123 and the fixing base 1110 may be a spline fit, that is, one of the pressing structure 123 and the fixing base 1110 is provided with a plurality of grooves arranged at intervals, and the other is provided with a bump. When the pressing structure 123 is driven, the protruding blocks can extend into different grooves to be in limit fit with the different grooves. So set up, for just carrying out spacingly through the frictional force of contact surface department, through lug and recess spacing in the structure, further improved the stability of pressing structure 123 connection between sliding seat 1120 and fixing base 1110.

Of course, it is also possible to provide the pressing structure 123 and the fixing base 1110 with tooth-shaped structures, and the adjacent tooth-shaped structures are spaced to form a groove-shaped structure. The tooth-shaped structures on the pressing structure 123 are engaged with the tooth-shaped structures on the fixing base 1110 in a staggered manner, so that a more stable limit fit is formed.

Referring to fig. 7 and 9, in one embodiment, the pressing structure 123 further includes a pressing block 1232 connected to the first connecting portion 1231, where the pressing block 1232 is slidable relative to the sliding seat 1120, i.e. the pressing block 1232 slidably penetrates the sliding seat 1120. The end face of one side of the pressing block 1232 facing the fixing base 1110 is provided with a first tooth part 1232a, one side of the fixing base 1110 facing the pressing block 1232 is provided with a second tooth part 1112, and the first tooth part 1232a is tightly meshed with the second tooth part 1112 when the pressing block 1232 is driven. Thus, by the engagement of the first teeth 1232a and the second teeth 1112, the sliding seat 1120 and the fixed seat 1110 can be further prevented from sliding relative to each other under the reaction of the display module. That is, such an arrangement can further improve the stability of the connection of the pressing structure 123 of the arc lock 100 between the sliding seat 1120 and the fixed seat 1110. I.e., to improve the stability of the arc lock 100 connection between two adjacent display modules.

Referring to fig. 7, in one embodiment, the pressing structure 123 further includes a second connecting portion 1233, and the first connecting portion 1231 and the second connecting portion 1233 are respectively located at two opposite sides of the pressing block 1232. The first connecting portion 1231 is used for being in transmission connection with the operation structure 121, and the second connecting portion 1233 is used for being penetrated through the guide hole 1121. That is, the second restoring member 130 may be abutted between the groove wall of the guide hole 1121 and the second connecting portion 1233.

Referring to fig. 5 again, in one embodiment, the fixing base 1110 is provided with an arc-shaped guide groove 1111, and the guide groove 1111 has a second opening 1111a communicating with the outside. The sliding seat 1120 is movably disposed in the guiding slot 1111 and slidably engaged with the slot wall of the guiding slot 1111, so as to adjust the relative position of the sliding seat 1120 and the fixed seat 1110, i.e. the fixed seat 1110 defines the sliding seat 1120 to move along an arc track relative to the fixed seat 1110 through the guiding slot 1111. The pressing structure 123 is inserted into the guide hole 1121 from the outside of the fixing base 1110 through the second opening 1111a.

Referring to fig. 6, in one embodiment, the second tooth 1112 is disposed at a side of the second opening 1111a, so that the first tooth 1232a on the pressing block 1232 engages with the second tooth 1112 to form a limit fit.

Referring to fig. 9, in one embodiment, a scale 1113 is further disposed on a side portion of the second tooth portion 1112, so as to more accurately adjust the sliding angle of the sliding seat 1120 relative to the fixed seat 1110.

Referring to fig. 5, in one embodiment, the sliding seat 1120 includes a main body and a positioning body 1122, and the positioning body 1122 is movably disposed on the main body. The groove walls of the guide grooves 1111 are recessed to form a plurality of positioning grooves 1111b, and the plurality of positioning grooves 1111b are arranged at intervals along the sliding track of the sliding seat 1120. When the sliding seat 1120 rotates to different positions relative to the fixed seat 1110, the positioning bodies 1122 are respectively matched with different positioning grooves 1111 b. It is understood that the positioning body 1122, when mated with the different positioning slots 1111b, can be positioned at different standard angular positions relative to the fixed base 1110 corresponding to the sliding base 1120, respectively. Thereby, the relative angular position between the slide holder 1120 and the fixed holder 1110 can be adjusted in an assisted manner.

Referring to fig. 6, in one embodiment, the guide hole 1121 may be formed in the main body, i.e., the pressing structure 123 slidably penetrates the main body. The hole wall of the guide hole 1121 is provided with a spacer ring 1121b protruding therefrom, and a space within the guide hole 1121 is defined by the spacer ring 1121b as a sliding hole section 1121a and an abutting hole section 1121c. The pressing structure 123 is slidably disposed in the sliding hole section 1121a, and the pull rod 1212 extends through the sliding hole section 1121a and the spacer ring 1121b and is disposed in the contact hole section 1121c, and the contact portion 1212a is disposed in the contact hole section 1121c and contacts a side wall of the contact hole section 1121c facing away from the pressing structure 123.

Referring to fig. 5, in one embodiment, the main body further includes a sliding slot, and the positioning body 1122 movably penetrates the sliding slot. The arc lock 100 further includes a third restoring member 140, where the third restoring member 140 elastically abuts between the positioning body 1122 and the bottom wall of the chute, so as to push the positioning body 1122 to cooperate with the positioning slot 1111b when the positioning body 1122 is aligned with the positioning slot 1111 b.

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 only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims (10)

1. An arc lock, the arc lock comprising:

the connecting assembly comprises a fixed seat and a sliding seat, and the sliding seat is movable relative to the fixed seat;

the fastening assembly comprises an operation structure, a locking piece and a pressing structure, wherein the pressing structure is movably arranged on one of the fixed seat and the sliding seat and forms limit fit with the other one when being driven by a driving force, the pressing structure is sheathed with the operation structure, and the operation structure is rotatably connected with the connecting assembly;

when the locking device is in the locking position, the locking piece is connected between the operation structure and the pressing structure, so that the operation structure is fixed relative to the pressing structure; when the locking piece is in the unlocking position, the locking piece is separated from the operation structure and/or the connecting assembly, so that the operation structure is stressed to rotate to provide driving force for the pressing structure.

2. The arc lock according to claim 1, wherein a plurality of limiting portions are provided in a circumferential direction of the pressing structure, and the locking member is rotatably provided in the operating structure so as to be engaged with or disengaged from different ones of the limiting portions.

3. The arc lock of claim 2, wherein the pressing structure slidably penetrates through the connecting assembly, one of the pressing structure and the operating structure is provided with a first transmission portion, the other one is provided with a second transmission portion, the first transmission portion extends along a spiral line, the second transmission portion is in sliding fit with the first transmission portion, and the first transmission portion can limit a sliding track of the second transmission portion.

4. The arc lock of claim 3, wherein the first transmission portion and the second transmission portion are connected at a socket joint of the pressing structure and the operating structure, so as to drive the pressing structure to slide reciprocally when the operating structure rotates.

5. The arc lock according to claim 3, wherein the operation structure comprises a handle and a pull rod, the first transmission part or the second transmission part is arranged on the pull rod, one end of the pull rod is connected with the handle, the other end of the pull rod protrudes radially and is provided with an abutting part, the pull rod penetrates through the sliding seat, and the abutting part abuts against one side, away from the pressing structure, of the sliding seat.

6. The arc lock according to claim 5, wherein the pressing structure comprises a first connecting portion, an outer circumferential surface of the first connecting portion comprises a first area protruding from the first connecting portion and a second area not provided with the limiting portion, the handle is provided with a limiting strip corresponding to the second area, and when the handle rotates to different sides, the limiting strip is respectively abutted with the two limiting portions at the junction of the first area and the second area.

7. The arc lock of claim 6, wherein the pressing structure further comprises a pressing block connected with the first connecting portion, the pressing block is slidable relative to the sliding seat, a first tooth portion is disposed on an end face of one side of the pressing block, which faces the fixing base, a second tooth portion is disposed on one side of the fixing base, which faces the pressing block, and the first tooth portion is tightly meshed with the second tooth portion when the pressing block is driven.

8. The arc lock of any one of claims 1 to 7, comprising a first reset member coupled between the operating structure and the locking member to resiliently drive the locking member in a direction of movement to the locked position.

9. The arc lock of any one of claims 1-7, wherein the slide mount is provided with a guide hole, the pressing structure slidably passing through the guide hole, the arc lock comprising a second reset member disposed within the guide hole, the second reset member abutting between a bottom wall of the guide hole and the pressing structure to resiliently urge the pressing structure in a direction away from the connecting assembly.

10. A display device, characterized in that the display device comprises: a plurality of display modules and an arc lock according to any one of claims 1 to 9, said arc lock being connected between two adjacent display modules.