CN116845603A - Connection mechanism and display device - Google Patents

Abstract

The application discloses a connecting mechanism and a display device, wherein the connecting mechanism comprises a connecting device, a fixing device and a containing device, one side of the connecting device is connected with a backboard, the other side of the connecting device is connected with the fixing device, the connecting device comprises a plurality of locking structures which are sequentially connected end to end, and two adjacent locking structures are rotatably connected; the lock catch structures rotate mutually to drive the fixing device to be parallel to the back plate or turn over to the back surface of the back plate; the storage device is arranged between the display panel and the printed circuit board and is connected with the backboard; the storage device comprises a shell and an adjusting assembly, the adjusting assembly is arranged in the shell, the flexible cable is partially stored in the shell, and the adjusting assembly adjusts the length of the flexible cable extending out of the shell according to the distance that the fixing device is folded relative to the backboard. The flexible cable is connected with the printed circuit board without influencing the connection of the flexible cable and the printed circuit board while adapting to the connection of the printed circuit board and the backboard of different models, and the applicability of products is improved.

Description

Connection mechanism and display device

Technical Field

The present application relates to the field of display, and in particular, to a connection mechanism and a display device.

Background

With the rapid development of display technology, there are many different types of display models on the market, such as a straight screen display and a curved screen display, and the connection modes of the two models are different when the printed circuit board and the backboard are connected due to different designs of the two models; in a straight screen display, the printed circuit board is typically connected to the back plate horizontally to the display panel, while in a curved screen display, the printed circuit board is typically folded over to the back of the back plate for connection.

The traditional connecting device for connecting the printed circuit board and the backboard can only meet the requirement of installing a display of one type, when the printed circuit board and the backboard of different models are assembled, different connecting devices are needed to be replaced for connection, and the flexible cable used for connecting the display panel and the printed circuit board is fixed in length, so that the possibility of switching the connection modes between different models is further limited, the applicability of products is greatly influenced, and the assembly difficulty and the assembly cost are increased.

Therefore, how to connect a printed circuit board and a back plate of different models without affecting the connection of a flexible cable and the printed circuit board becomes a problem to be solved in the field.

Disclosure of Invention

The application discloses a connecting mechanism and a display device, which aim to improve the applicability of products without influencing the connection of a flexible cable and a printed circuit board while adapting to the connection of the printed circuit board and a backboard of different models.

The application discloses a connecting mechanism which is used for connecting a display panel, a printed circuit board and a back plate, wherein the connecting mechanism comprises a connecting device, a fixing device and a containing device, one side of the connecting device is connected with the back plate, the other side of the connecting device is connected with the fixing device, the fixing device is used for fixing the printed circuit board, the connecting device comprises a plurality of lock catch structures which are sequentially connected end to end, and two adjacent lock catch structures are rotatably connected; the lock catch structures rotate mutually to drive the fixing device to be parallel to the back plate or turn over to the back surface of the back plate; the storage device is arranged between the display panel and the printed circuit board and is connected with the backboard; the storage device comprises a shell and an adjusting assembly, the adjusting assembly is arranged in the shell, the flexible cable is partially stored in the shell, and the adjusting assembly adjusts the length of the flexible cable extending out of the shell according to the distance that the fixing device is folded relative to the backboard.

Optionally, the housing includes a top wall and a bottom wall which are oppositely disposed, and four side walls which are disposed around and between the top wall and the bottom wall, a first opening is disposed on the top wall, a second opening is disposed on the bottom wall, and two ends of the flexible cable respectively extend from the first opening and the second opening; the adjusting assembly comprises a plurality of adjusting parts, a placing structure and a plurality of first elastic parts, the plurality of first elastic parts are arranged at intervals along the side walls from the top wall to the bottom wall, and one ends of two adjacent first elastic parts are respectively connected with two corresponding side walls; the placing structure is used for bearing the adjusting pieces, the other end of each first elastic piece is connected with each adjusting piece, the elastic expansion direction of each first elastic piece is perpendicular to the adjusting pieces, and the first elastic pieces drive the adjusting pieces to move along the elastic expansion direction of the first elastic pieces; the adjusting pieces are staggered along the direction from the top wall to the bottom wall; the flexible cable sequentially passes through one side, far away from the first elastic piece, of each two adjacent adjusting pieces.

Optionally, the adjusting member is a tubular structure, the side walls include a first side wall and a second side wall that correspond to each other, the first side wall and the second side wall are respectively located at two sides of the length direction of the adjusting member, a plurality of first sliding grooves are arranged on the first side wall at intervals in the direction from the top wall to the bottom wall, a plurality of second sliding grooves are arranged on the second side wall at intervals in the direction from the top wall to the bottom wall, each first sliding groove corresponds to each second sliding groove one by one, the first sliding grooves and the second sliding grooves are both in strip shapes, and the extending directions of the first sliding grooves and the second sliding grooves are the same as the elastic expansion directions of the first elastic member; the placement structure comprises a plurality of bearings, wherein two ends of each bearing are respectively embedded into the first chute and the second chute which are arranged in the same layer and can move along the extending direction of the first chute and the second chute; each adjusting piece is sleeved on the bearing.

Optionally, the adjusting part comprises a telescopic tube, the telescopic tube comprises a plurality of sections of tube bodies which are nested in sequence, both ends of the telescopic tube are telescopic, and the length of the telescopic tube reaching the maximum elongation is greater than or equal to the width of the first opening and the second opening.

Optionally, the storage device further comprises a control motor, the control motor is arranged in the shell, the control motor is electrically connected with the telescopic tube, and the telescopic tube is controlled to stretch out and draw back along the width direction of the flexible cable.

Optionally, the fixing device includes a first clamping plate and a second clamping plate, the first clamping plate and the second clamping plate are arranged at intervals, and the first clamping plate and the second clamping plate clamp the printed circuit board from two sides in the width direction of the printed circuit board.

Optionally, the latch structure includes a latch housing and a rotating member, the rotating member is disposed in the latch housing, the rotating member includes a rotating body and a connecting plate, the rotating body and the latch housing are both cylindrical, and one side of the connecting plate is connected with the outer side of the rotating body; the locking structure comprises a first locking structure and a second locking structure which are adjacently arranged, a first through groove is formed in the first locking structure at the position, corresponding to the connecting plate, of the locking shell, one side of the connecting plate is connected with the rotating body, and the other side of the connecting plate extends out of the first through groove; in the second lock catch structure, a second through groove is further formed in the position, corresponding to the connecting plate of the first lock catch structure, of the lock catch shell, and the connecting plate of the first lock catch structure stretches into the second through groove and is rotatably connected with the lock catch shell.

Optionally, the first locking structure and the second locking structure are respectively provided with a movable component in the shell, and the movable components comprise an electromagnet, a second elastic piece and a locking piece; in the movable assembly in the shell of the second lock catch structure, the electromagnet is arranged close to the connecting plate of the first lock catch structure, and the electromagnet is rotatably connected with the lock catch shell; the connecting plate of the first locking structure penetrates through the second through groove to be connected with one side of the electromagnet, the other side of the electromagnet is connected with one end of the second elastic piece, and the other end of the second elastic piece is connected with the locking piece; the locking piece has magnetism, when the electro-magnet is outage, the locking piece is spacing the rotator in the second hasp structure, when the electro-magnet is circular telegram, the locking piece with the rotator in the second hasp structure breaks away from.

Optionally, a plurality of positioning latches are disposed on a side of the locking member away from the second elastic member, and a plurality of latches are disposed on outer surfaces of the rotating bodies of the first locking structure and the second locking structure, and the positioning latches are matched with the latches; when the electromagnet is powered off, the positioning latch is clamped with the latch of the rotary body in the second locking structure; when the electromagnet is electrified, the electromagnet attracts the locking piece, and the positioning latch is separated from the latch of the rotary body in the second locking structure.

The application also discloses a display device, which comprises a display panel, a backboard, a flexible cable and a printed circuit board, wherein the backboard wraps the display panel; the display device further comprises the connecting mechanism, the flexible cable is partially accommodated in the accommodating device of the connecting mechanism, one end of the flexible cable is connected with the display panel, the other end of the flexible cable is connected with the printed circuit board, and the printed circuit board is fixed on the fixing device of the connecting mechanism and connected with the backboard through the connecting device of the connecting mechanism.

The application is directed to an improvement of a connection mechanism for connecting a printed circuit board with a back plate, the printed circuit board and the back plate being connected by a connection device; the connecting device is a chain type structure formed by connecting a plurality of lock catch structures end to end, the lock catch structures rotate through the movable components, so that the whole connecting device can be adjusted relative to the position of the backboard, the fixing device can be driven to be parallel to the backboard or folded to the back of the backboard according to the types of different display devices, in the process of adjusting the fixing device, as the distance between the printed circuit board and the display panel is changed, the length of the flexible cable is adjusted through the adjusting component in the accommodating device, the distance between the printed circuit board and the display panel is changed, the flexible cable to be installed is accommodated in the accommodating device, the accommodating device is fixed on the side edge of the backboard, one end of the flexible cable extends out from the shell of the accommodating device towards the display panel and is bound with the display panel, the other end of the flexible cable extends out from one side far away from the display panel and is bound with the printed circuit board, and the part of the flexible cable, which is positioned in the accommodating device is folded by the accommodating device; when the plane model is switched to the curved surface model, the flexible cable is kept longer by operating the storage device, the printed circuit board is folded to the back of the back plate by adjusting the locking structure, and the flexible cable and the printed circuit board are properly bound by adjusting the storage device, so that the flexible cable is connected with the back plate while the flexible cable and the printed circuit board are not affected, and the applicability of products is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the present application, from which other drawings can be obtained without inventive effort for a person skilled in the art, in which:

FIG. 1 is a schematic view of a first embodiment of the connection mechanism of the present application;

FIG. 2 is a schematic view of a housing device according to a first embodiment of the connecting mechanism of the present application;

FIG. 3 is a side view of a receiving device in a first embodiment of the attachment mechanism of the present application;

FIG. 4 is a schematic view of a first embodiment of the connecting mechanism of the present application with a flexible cable loaded in the receiving device;

FIG. 5 is a partial schematic view of a first embodiment of a connecting device of the connecting mechanism of the present application;

FIG. 6 is a schematic view of a locking member of a first embodiment of the connecting mechanism of the present application;

FIG. 7 is a schematic view of a rotating member of a first embodiment of the coupling mechanism of the present application;

FIG. 8 is a schematic view of a fastening device according to a first embodiment of the attachment mechanism of the present application;

FIG. 9 is a schematic view of a receiving device in a second embodiment of the connecting mechanism of the present application;

fig. 10 is a schematic diagram of a display device according to an embodiment of the application.

10, a display device; 100. a connecting mechanism; 110. a connecting device; 111. a latch structure; 112. a latch housing; 113. a first through groove; 114. a second through slot; 115. a rotation shaft hole; 116. a chute; 117. a rotating member; 118. a rotating body; 119. latch teeth; 120. a connecting plate; 121. a first latch structure; 122. a second latch structure; 130. a movable assembly; 131. an electromagnet; 132. a rotating shaft; 133. a second elastic member; 134. a locking member; 135. positioning latch teeth; 136. a convex strip; 140. a fixing device; 141. a first clamping plate; 142. a second clamping plate; 150. a storage device; 151. a housing; 152. a first opening; 153. a second opening; 154. a top wall; 155. a bottom wall; 156. a sidewall; 157. a first sidewall; 158. a first chute; 159. a second sidewall; 160. a second chute; 170. an adjustment assembly; 171. an adjusting member; 172. a telescoping tube; 173. placing a structure; 174. a bearing; 175. a first elastic member; 180. controlling a motor; 200. a display panel; 300. a back plate; 400. a flexible cable; 500. a printed circuit board.

Detailed Description

The present application will be described in detail below with reference to the drawings and the optional embodiments, and it should be noted that, without conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.

FIG. 1 is a schematic view of a first embodiment of the connection mechanism of the present application; as shown in fig. 1, the application discloses a connection mechanism 100 for connecting a display panel, a printed circuit board 500 and a back plate 300, wherein the connection mechanism 100 comprises a connection device 110, a fixing device 140 and a containing device 150, one side of the connection device 110 is connected with the back plate 300, the other side is connected with the fixing device 140, the fixing device 140 is used for fixing the printed circuit board 500, the connection device 110 comprises a plurality of latch structures 111 which are sequentially connected end to end, one side of the first latch structure 111, which is close to the back plate 300, is provided with a movable assembly 130 between two adjacent latch structures 111, and the two adjacent latch structures 111 are rotatably connected through the movable assembly 130; the plurality of locking structures 111 rotate with each other to drive the fixing device 140 to be parallel to the back plate 300 or folded to the back surface of the back plate 300; the receiving device 150 is disposed between the display panel and the printed circuit board 500, and connected with the back plate 300, for partially receiving the flexible cable 400; the storage device 150 comprises a shell 151 and an adjusting assembly 170, wherein the adjusting assembly 170 is arranged in the shell 151, and the flexible cable 400 is partially stored in the shell 151; the adjustment assembly 170 adjusts the length of the flexible cable 400 according to the distance the fixture 140 is folded over with respect to the back plate 300.

The application is improved with respect to the connecting mechanism 100 for connecting the printed circuit board 500 with the backboard 300, the printed circuit board 500 is firstly fixed on the connecting mechanism 100 by utilizing the fixing device 140 in the connecting mechanism 100, the shaking of the printed circuit board 500 is avoided, the connection stability of the printed circuit board 500 is ensured, and then the printed circuit board 500 is connected with the backboard 300 by the connecting device 110; the connecting device 110 is a chain structure formed by connecting a plurality of locking structures 111 end to end, and the adjacent two locking structures 111 are rotatably connected through the movable assembly 130, so that the movable assembly 130 forms a joint-like effect in the whole connecting device 110, the plurality of locking structures 111 can adjust the position of the whole connecting device 110 relative to the backboard 300 through rotation between the movable assemblies 130, the fixing device 140 can be driven to be parallel to the backboard 300 or folded to the back of the backboard 300 according to the types of different display devices 10, and in the process of adjusting the fixing device 140, as the distance between the printed circuit board 500 and the display panel 200 is changed, the length of the flexible cable 400 is adjusted through the adjusting assembly 170 in the accommodating device 150, so that the distance between the printed circuit board 500 and the display panel 200 is changed, the flexible cable 400 to be installed is accommodated in the accommodating device 150, the accommodating device 150 is fixed on the side edge of the backboard 300 (the shell of the accommodating device 150 or the fixing device 300), one end of the flexible cable 400 is bonded from the inside the accommodating device 150 towards the binding panel 200 and extends out of the printed circuit board 200, and the other end of the flexible cable 400 is far away from the printed circuit board 150 and is folded and connected with the printed circuit board 200; when the plane model is switched to the curved surface model, the accommodating device 150 is operated to enable the flexible cable 400 to be kept longer, the lock catch structure 111 is adjusted to enable the printed circuit board 500 to be folded to the back of the back plate 300, and the accommodating device 150 is adjusted to enable the flexible cable 400 and the printed circuit board 500 to have proper binding length, so that the connection between the flexible cable 400 and the printed circuit board 500 is not influenced while the connection between the printed circuit board 500 and the back plate 300 of different models can be adapted, and the applicability of products is improved.

FIG. 2 is a schematic view of a housing device according to a first embodiment of the connecting mechanism of the present application; FIG. 3 is a side view of a receiving device in a first embodiment of the attachment mechanism of the present application; FIG. 4 is a schematic view of a first embodiment of the connecting mechanism of the present application with a flexible cable loaded in the receiving device; as shown in fig. 2 to 4, the housing 151 includes top and bottom walls 154 and 155 disposed opposite to each other, and four side walls 156 disposed around between the top and bottom walls 154 and 155, the top wall 154 being provided with a first opening 152, the bottom wall 156 being provided with a second opening 153, and both ends of the flexible cable 400 protruding from the first and second openings 152 and 153, respectively;

the adjustment assembly 170 includes a plurality of adjustment members 171, a placement structure 173, and a plurality of first elastic members 175; the plurality of first elastic members 175 are arranged at intervals along the side walls 156 from the top wall 154 to the bottom wall 155, and one ends of two adjacent first elastic members 175 are respectively connected with two corresponding side walls 156; the placement structure 173 is used for bearing the adjusting members 171, the other end of each first elastic member 175 is connected with each adjusting member 171, the elastic expansion and contraction direction of the first elastic member 175 is perpendicular to the expansion and contraction direction of the adjusting member 171, and the first elastic member 175 drives the adjusting member 171 to move along the elastic expansion and contraction direction of the first elastic member 175; the length of the first elastic member 175 in the natural state is greater than one half of the width of the top wall 154 and the bottom wall 155, and the plurality of adjusting members 171 are staggered along the direction from the top wall 154 to the bottom wall 155; the flexible cable 400 sequentially passes through the adjacent two adjusting members 171 at a side remote from the first elastic member 175.

In the process of loading the flexible cable 400 into the storage device 150, one end of the flexible cable 400 is firstly penetrated from the first opening 152 of the housing 151, then sequentially passes through one side of each adjusting piece 171 far away from the first elastic piece 175, and finally is penetrated out from the second opening 153 of the housing 151, so that the part of the flexible cable 400 in the housing 151 forms a fold line shape, and thus, the flexible cable 400 can be contained in the storage device 150 in a longer part so as to be withdrawn or contracted according to actual use conditions, and the length of the flexible cable 400 is changed; when the adjusting member 171 contacts with the flexible cable 400, a force is generated on the flexible cable 400 in a direction away from the first elastic member 175 under the elastic action of the first elastic member 175, and the flexible cable 400 can provide a relative extrusion force to the adjusting member 171, so that the flexible cable 400 is straightened among the adjusting members 171; when the fixing device 140 is folded to the back of the back plate 300 to fix, and a longer flexible cable 400 is needed, one end of the flexible cable 400 can be stretched outwards, and when the fixing device 140 is installed parallel to the back plate 300, the flexible cable 400 can be directly stored in the housing 151 too long.

The adjusting member 171 is in a tubular structure, the side wall 156 includes a first side wall 157 and a second side wall 159 that correspond to each other, the first side wall 157 and the second side wall 159 are respectively located at two sides of the length direction of the adjusting member 171, the first side wall 157 is provided with a plurality of first sliding grooves 158 at intervals in the direction from the top wall 154 to the bottom wall 155, the second side wall 159 is provided with a plurality of second sliding grooves 160 at intervals in the direction from the top wall 154 to the bottom wall 155, each first sliding groove 158 corresponds to each second sliding groove 160 one by one, the first sliding grooves 158 and the second sliding grooves 160 are both in strip shapes, and the extending directions of the first sliding grooves 158 and the second sliding grooves 160 are the same as the elastic stretching directions of the first elastic members 175; the placement structure 173 includes a plurality of bearings 174, two ends of each bearing 174 are respectively embedded into the first chute 158 and the second chute 160 which are arranged in the same layer, and can move along the extending direction of the first chute 158 and the second chute 160; each adjusting member 171 is sleeved on the bearing 174.

By arranging the plurality of first sliding grooves 158 and second sliding grooves 160 on the first side wall 157 and the second side wall 159 respectively, two ends of the bearing 174 are embedded into the first sliding grooves 158 and the second sliding grooves 160, so that the first side wall 157 and the second side wall 159 stably support the bearing 174 through the first sliding grooves 158 and the second sliding grooves 160, and the bearing 174 can move along the extending direction of the first sliding grooves 158 and the second sliding grooves 160, and as the extending direction of the first sliding grooves 158 and the second sliding grooves 160 is the same as the elastic extending direction of the springs, after the adjusting piece 171 is sleeved on the bearing 174, the adjusting piece 171 is driven to move in the extending or compressing process of the springs, and meanwhile, the bearing 174 is driven to move along the extending direction of the springs along with the adjusting piece 171; and the bearing 174 is used for supporting the adjusting member 171, so that the adjusting member 171 is not easy to deform in the moving process, and the structural stability of the adjusting member 171 is maintained.

FIG. 5 is a schematic view of a portion of a connecting device according to a first embodiment of the connecting mechanism of the present application, and FIG. 6 is a schematic view of a locking member according to a first embodiment of the connecting mechanism of the present application; FIG. 7 is a schematic view of a rotating member of a first embodiment of the coupling mechanism of the present application; as shown in fig. 5 to 7, the latch structure 111 includes a latch housing 112 and a rotating member 117, the rotating member 117 is disposed in the latch housing 112, the rotating member 117 includes a rotating body 118 and a connecting plate 120, the rotating body 118 and the latch housing 112 are both cylindrical, and one side of the connecting plate 120 is connected with the outer side of the rotating body 118; the latch structure 111 comprises a first latch structure 121 and a second latch structure 122 which are adjacently arranged, wherein a first through groove 113 is formed in the first latch structure 121 at a position corresponding to the connecting plate 120 of the latch shell 112, one side of the connecting plate 120 is connected with the outer side of the rotating body 118, and the other side extends out of the first through groove 113; the connecting plate 120 in the first locking structure 121 can rotate along the slotting direction of the first through slot 113, and the rotation angle of the connecting plate 120 is greater than or equal to 90 degrees; in the second locking structure 122, a second through groove 114 is further formed in the locking shell 112 corresponding to the connecting plate 120 of the first locking structure 121, and the connecting plate 120 of the first locking structure 121 extends into the second through groove 114 and is rotatably connected with the locking shell 112; the connecting plate 120 of the first locking structure 121 can rotate along the slotting direction of the second through slot 114, and the angle of rotation of the connecting plate 120 of the first locking structure 121 in the second through slot 114 is greater than or equal to 90 °.

Because both the latch shell 112 and the rotating body 118 positioned in the latch shell 112 are cylindrical, the rotating body 118 can rotate relative to the latch shell 112 in the latch shell 112, and the rotating body 118 can drive the connecting plate 120 to rotate when rotating, and the rotating range of the connecting plate 120 and the rotating body 118 depends on the slotting sizes of the first through slot 113 and the second through slot 114; when the connecting plate 120 in the first latch structure 121 extends out of the first through groove 113 and extends into the second latch structure 122 to connect the second through groove 114 on the latch housing 112 with the latch housing 112 of the second latch structure 122, the connecting plate 120 of the first latch structure 121 not only connects two adjacent latch structures 111, but also enables the two adjacent latch structures 111 to rotate relatively through the connecting plate 120, and when the angle of rotation of the connecting plate 120 between the two adjacent latch structures 111 is greater than or equal to 90 °, the plurality of latch structures 111 rotate together, so that the whole connecting device 110 can be folded to the back of the back plate 300 more easily or kept level with the back plate 300.

Specifically, the movable assembly 130 is disposed in the latch housing 112 of the second latch structure 122, the movable assembly 130 includes an electromagnet 131, a second elastic member 133 and a locking member 134, the electromagnet 131 is disposed near the connecting plate 120 of the first latch structure 121, two ends of the electromagnet 131 are provided with rotating shafts 132, the latch housing 112 is provided with rotating shaft holes 115 corresponding to the rotating shafts 132, and the rotating shafts 132 are inserted into the rotating shaft holes 115 to rotatably connect the electromagnet 131 with the latch housing 112; the connecting plate 120 of the first locking structure 121 passes through the second through groove 114 to be connected with one side of the electromagnet 131, the other side of the electromagnet 131 is connected with one end of the second elastic piece 133, and the other end of the second elastic piece 133 is connected with the locking piece 134; the locking piece 134 has magnetism, one side of the locking piece 134 far away from the second elastic piece 133 is provided with a plurality of positioning latches 135, the outer surfaces of the rotating bodies 118 of the first locking structure 121 and the second locking structure 122 are respectively provided with a plurality of latches 119, and the positioning latches 135 are matched with the latches 119; when the electromagnet 131 is powered off, the positioning latch 135 is engaged with the latch 119 of the rotating body 118 in the second locking structure 122; when the electromagnet 131 is electrified, the electromagnet 131 attracts the locking piece 134, and the positioning latch 135 is separated from the latch 119 of the rotary body 118 in the second locking structure 122.

In the first latch structure 121 and the second latch structure 122 which are adjacently disposed, the connection plate 120 of the first latch structure 121 is connected to the electromagnet 131 in the latch housing 112 of the second latch structure 122, and the electromagnet 131 is connected to the rotation shaft hole 115 in the latch housing 112 of the second latch structure 122 through the rotation shaft 132, so that the rotatable connection between the connection plate 120 of the first latch structure 121 and the second latch structure 122 is achieved.

In addition, the application utilizes the movable assembly 130 between the first locking structure 121 and the second locking structure 122 to control the rotation and locking of the two adjacent locking structures 111, when the position of the printed circuit board 500 needs to be adjusted, the two adjacent locking structures 111 can be rotated by utilizing the movable assembly 130, and when the printed circuit board 500 needs to be fixed, the two adjacent locking structures 111 are locked by utilizing the movable assembly 130 to prevent the locking structures 111 from rotating.

In addition, a power supply may be provided in the connection mechanism 100 or on the back plate 300 to supply power to the electromagnet 131, thereby controlling the electromagnet 131 to generate electromagnetic force. The specific working principle is as follows: when the electromagnet 131 is electrified, attractive force is generated between the electromagnet 131 and the locking piece 134, the locking piece 134 is attracted by the electromagnet 131 and moves towards the electromagnet 131, the second elastic piece 133 is compressed in the moving process of the locking piece 134, the positioning latch 135 of the locking piece 134 is separated from the latch 119 of the rotary body 118 in the second locking structure 122, the first locking structure 121 and the second locking structure 122 can rotate, and the relative position between the whole connecting device 110 and the back plate 300 is adjusted through mutual rotation among the plurality of locking structures 111; when the electromagnet 131 is powered off, there is no attractive force between the electromagnet 131 and the locking member 134, and the compressed second elastic member 133 releases the compression amount to push the locking member 134 away from the electromagnet 131 until the positioning latch 135 of the locking member 134 engages with the latch 119 of the rotating body 118 in the second locking structure 122, so that the first locking structure 121 and the second locking structure 122 are locked to form a final fixed configuration, and the printed circuit board 500 is connected by the connecting device 110.

Further, protruding strips 136 are disposed on both sides of the locking member 134, the latch housing 112 is provided with a sliding slot 116 corresponding to the protruding strips 136, the protruding strips 136 are embedded into the sliding slot 116, and the sliding slot 116 can slide along the extending direction.

When the electromagnet 131 is electrified, attractive force is generated between the electromagnet 131 and the locking piece 134, and the locking piece 134 moves along the chute 116 along the direction approaching the electromagnet 131 by utilizing the convex strips 136 at two sides and is far away from the rotating body 118 in the second locking structure 122; when the electromagnet 131 is powered off, there is no attractive force between the electromagnet 131 and the locking piece 134, at this time, the compressed first elastic piece 175 will release the compressed amount to push the locking piece 134 away from the electromagnet 131, at this time, the raised strips 136 on both sides of the locking piece 134 move along the sliding groove 116 in a direction away from the electromagnet 131, and the moving path of the locking piece 134 is limited by the cooperation of the sliding groove 116 and the raised strips 136, so that the locking piece 134 moves more stably in the housing 151 and is not easy to shift.

Fig. 8 is a schematic view of a fixing device in a first embodiment of the connection mechanism of the present application, and as shown in fig. 8, the fixing device 140 in the present application includes a first clamping plate 141 and a second clamping plate 142, the first clamping plate 141 and the second clamping plate 142 are spaced apart, and the first clamping plate 141 and the second clamping plate 142 clamp the printed circuit board 500 from two sides in the width direction of the printed circuit board 500.

When the printed circuit board 500 is assembled with the fixing device 140, the printed circuit board 500 can be mounted with the fixing device 140 only by embedding the printed circuit board 500 between the first clamping plate 141 and the second clamping plate 142, and clamping the printed circuit board 500 by the first clamping plate 141 and the second clamping plate 142 from two sides in the width direction of the printed circuit board 500, so that the printed circuit board 500 is mounted simply and conveniently, and the printed circuit board 500 is easy to replace; and the printed circuit board 500 is not easy to fall off from the fixing device 140 in a clamping and fixing mode, so that the fixing stability of the printed circuit board 500 is further improved.

Fig. 9 is a schematic view of a storage device in a second embodiment of the connection mechanism according to the present application, as shown in fig. 9, the adjusting member 171 includes a telescopic tube 172, the telescopic tube 172 is formed by a plurality of sections of tubes nested in sequence, both ends of the telescopic tube 172 are telescopic, and the length of the telescopic tube 172 when reaching the maximum elongation is greater than or equal to the width of the first opening 152 and the second opening 153.

When flexible cables 400 with different specifications of widths are required to be matched, the length of the telescopic tube 172 can be matched with the width of the flexible cables 400 by adjusting the elongation or contraction of the telescopic tube 172, the flexible cables 400 are supported by the telescopic tubes 172 and straightened under the drive of the first elastic piece 175, and the widths of the first opening 152 and the second opening 153 are required to be larger than the widths of the flexible cables 400 because the two ends of the flexible cables 400 are required to extend out of the first opening 152 and the second opening 153, so that the flexible cables 400 with different specifications of widths can be better matched when the length of the telescopic tube 172 reaches the maximum elongation is larger than or equal to the widths of the first opening 152 and the second opening 153, and no mismatch occurs.

Further, the storage device 150 further includes a control motor 180, the control motor 180 is disposed in the housing 151, the control motor 180 is electrically connected to the telescopic tube 172, and the telescopic tube 172 is controlled to stretch along the width direction of the flexible cable 400. Utilize control motor 180 corotation or reversal to drive the extension or the shrink of telescopic tube 172, the extension and the shrink volume of telescopic tube 172 of control that can be accurate, the better realization carries out accurate matching to flexible cable 400 of different specification width, effectively utilizes the space of casing 151, improves storage device 150 to flexible cable 400's storage efficiency.

Further, the first elastic member 175 includes a spring connected to the middle of the telescopic tube 172, and the spring is perpendicular to the telescopic tube 172. When the flexible cable 400 is not assembled, the elasticity of the spring is utilized to generate a pulling force on the telescopic tube 172 perpendicular to the direction of the telescopic tube 172, so that the telescopic tube 172 can keep a relatively static state in the shell 151, when the flexible cable 400 sequentially passes through the telescopic tubes 172 which are arranged in a staggered manner, a pressing force towards the direction of the spring is generated on the telescopic tube 172, the spring starts to compress after being pressed, so that the telescopic tube 172 can move along the telescopic direction of the spring, and because the spring is connected to the middle part of the telescopic tube 172, the elastic acting force acts on the middle part of the telescopic tube 172 when the spring pulls the telescopic tube 172, and thus, the telescopic tube 172 can move stably along the telescopic direction of the spring.

Fig. 10 is a schematic diagram of an embodiment of a display device according to the present application, and as shown in fig. 10, the present application also discloses a display device 10, including a display panel 200, a back plate 300, a flexible cable 400 and a printed circuit board 500, wherein the back plate 300 wraps the display panel 200; the display device 10 further includes the above-mentioned connection mechanism 100, the flexible cable 400 is partially accommodated in the accommodating device 150 of the connection mechanism 100, one end of the flexible cable 400 is connected with the display panel 200, the other end is connected with the printed circuit board 500, and the printed circuit board 500 is fixed on the fixing device 140 of the connection mechanism 100 and is connected with the back plate 300 through the connection device 110 of the connection mechanism 100.

The display panel 200 is generally connected to the printed circuit board 500 through the flexible cable 400, the printed circuit board 500 provides a driving signal for the display panel 200, and after the printed circuit board 500 is connected from the display panel 200, the printed circuit board 500 needs to be fixed, after the printed circuit board 500 is fixed to the connection mechanism 100, the printed circuit board 500 is connected and fixed to the back plate 300 by using the connection mechanism 100, so that the printed circuit board 500 is stable in position and not easy to shake or fall off, and can provide stable signal output for the display panel 200, so as to ensure the quality of the display device 10.

The conventional connection mechanism 100 is fixed and cannot be adjusted for a specific type of display device 10, so that the same connection mechanism 100 cannot be used when fixing the printed circuit boards 500 in different types of display devices 10, and the length of the flexible cable 400 connected to the printed circuit boards 500 needs to be adjusted after adjusting the installation position of the printed circuit boards 500, thereby increasing the complexity of assembly and the assembly cost.

In view of the above problems, the present application is directed to a display device 10, wherein a connection mechanism 100 for connecting a printed circuit board 500 with a back plate 300 is improved, the printed circuit board 500 is first fixed on the connection mechanism 100 by a fixing device 140 in the connection mechanism 100, the printed circuit board 500 is prevented from shaking, the connection stability of the printed circuit board 500 is ensured, and then the printed circuit board 500 is connected with the back plate 300 by a connection device 110; the connecting device 110 is a chain structure formed by connecting a plurality of locking structures 111 end to end, and the two adjacent locking structures 111 are rotatably connected through the movable assembly 130, so that the movable assembly 130 forms a joint-like effect in the whole connecting device 110, the plurality of locking structures 111 can adjust the position of the whole connecting device 110 relative to the backboard 300 through rotation among the movable assemblies 130, the fixing device 140 can be driven to be parallel to the backboard 300 or folded to the back of the backboard 300 according to the types of different display devices 10, and in the process of adjusting the fixing device 140, as the distance between the printed circuit board 500 and the display panel 200 is changed, the flexible cable 400 to be installed is accommodated in the accommodating device 150, the accommodating device 150 is fixed at the side edge of the backboard 300, one end of the flexible cable 400 extends out of the housing of the accommodating device 150 towards the side of the display panel 200 and is fixedly connected with the display panel 200, the other end extends out of the side away from the display panel 200 and is fixedly connected with the printed circuit board 500, and the part of the flexible cable 400 located in the accommodating device 150 is folded by the accommodating device 150; when the plane model is switched to the curved surface model, the accommodating device 150 is operated to enable the flexible cable 400 to be kept longer, the lock catch structure 111 is adjusted to enable the printed circuit board 500 to be folded to the back of the back plate 300, and the accommodating device 150 is adjusted to enable the flexible cable 400 and the printed circuit board 500 to have proper binding length, so that the connection between the flexible cable 400 and the printed circuit board 500 is not influenced while the connection between the printed circuit board 500 and the back plate 300 of different models can be adapted, and the applicability of products is improved.

It should be noted that, the inventive concept of the present application can form a very large number of embodiments, but the application documents are limited in space and cannot be listed one by one, so that on the premise of no conflict, the above-described embodiments or technical features can be arbitrarily combined to form new embodiments, and after the embodiments or technical features are combined, the original technical effects will be enhanced.

The above description of the application in connection with specific alternative embodiments is further detailed and it is not intended that the application be limited to the specific embodiments disclosed. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the application, and these should be considered to be within the scope of the application.

Claims (10)

1. A connecting mechanism for connecting a display panel, a printed circuit board and a back plate is characterized by comprising a connecting device, a fixing device and a containing device, wherein one side of the connecting device is connected with the back plate, the other side of the connecting device is connected with the fixing device, the fixing device is used for fixing the printed circuit board,

the connecting device comprises a plurality of locking structures which are sequentially connected end to end, and two adjacent locking structures are rotatably connected; the lock catch structures rotate mutually to drive the fixing device to be parallel to the back plate or turn over to the back surface of the back plate;

the storage device is arranged between the display panel and the printed circuit board and is connected with the backboard; the storage device comprises a shell and an adjusting assembly, the adjusting assembly is arranged in the shell, the flexible cable is partially stored in the shell, and the adjusting assembly adjusts the length of the flexible cable extending out of the shell according to the distance that the fixing device is folded relative to the backboard.

2. The connection mechanism of claim 1, wherein the housing includes oppositely disposed top and bottom walls, and four side walls surrounding and disposed between the top and bottom walls, the top wall having a first opening disposed therein and the bottom wall having a second opening disposed therein, the flexible cable having two ends extending from the first and second openings, respectively;

the adjusting assembly comprises a plurality of adjusting parts, a placing structure and a plurality of first elastic parts, the plurality of first elastic parts are arranged at intervals along the side walls from the top wall to the bottom wall, and one ends of two adjacent first elastic parts are respectively connected with two corresponding side walls; the placing structure is used for bearing the adjusting pieces, the other end of each first elastic piece is connected with each adjusting piece, the elastic expansion direction of each first elastic piece is perpendicular to the adjusting pieces, and the first elastic pieces drive the adjusting pieces to move along the elastic expansion direction of the first elastic pieces;

the adjusting pieces are staggered along the direction from the top wall to the bottom wall; the flexible cable sequentially passes through one side, far away from the first elastic piece, of each two adjacent adjusting pieces.

3. The connecting mechanism according to claim 2, wherein the adjusting member has a tubular structure, the side walls include a first side wall and a second side wall which are corresponding to each other, the first side wall and the second side wall are respectively located at two sides of the length direction of the adjusting member, a plurality of first sliding grooves are arranged on the first side wall at intervals in the direction from the top wall to the bottom wall, a plurality of second sliding grooves are arranged on the second side wall at intervals in the direction from the top wall to the bottom wall, each first sliding groove corresponds to each second sliding groove one by one, the first sliding grooves and the second sliding grooves are both long-strip-shaped, and the extending directions of the first sliding grooves and the second sliding grooves are the same as the elastic expansion directions of the first elastic members;

the placement structure comprises a plurality of bearings, wherein two ends of each bearing are respectively embedded into the first chute and the second chute which are arranged in the same layer and can move along the extending direction of the first chute and the second chute; each adjusting piece is sleeved on the bearing.

4. A connection mechanism according to claim 3, wherein the adjustment member comprises a telescopic tube, the telescopic tube being formed of a plurality of sections of tube body nested in sequence, both ends of the telescopic tube being telescopic, the length of the telescopic tube reaching the maximum extension being greater than or equal to the widths of the first opening and the second opening.

5. The connection mechanism of claim 4, wherein the receiving means further comprises a control motor disposed in the housing, the control motor being electrically connected to the telescoping tube for controlling the telescoping tube to telescope in a width direction of the flexible cable.

6. The connection mechanism according to claim 1, wherein the fixing means includes a first holding plate and a second holding plate, the first holding plate and the second holding plate being provided at intervals, the first holding plate and the second holding plate holding the printed circuit board from both sides in a width direction of the printed circuit board.

7. The connecting mechanism according to claim 1, wherein the lock catch structure comprises a lock catch housing and a rotating member, the rotating member is arranged in the lock catch housing, the rotating member comprises a rotating body and a connecting plate, the rotating body and the lock catch housing are both cylindrical, and one side of the connecting plate is connected with the outer side of the rotating body;

the locking structure comprises a first locking structure and a second locking structure which are adjacently arranged,

in the first lock catch structure, a first through groove is formed in the lock catch shell corresponding to the connecting plate, one side of the connecting plate is connected with the rotating body, and the other side of the connecting plate extends out of the first through groove;

in the second lock catch structure, a second through groove is further formed in the position, corresponding to the connecting plate of the first lock catch structure, of the lock catch shell, and the connecting plate of the first lock catch structure stretches into the second through groove and is rotatably connected with the lock catch shell.

8. The connection mechanism of claim 7, wherein the first latch structure and the second latch structure are each provided with a movable assembly within a housing, the movable assembly including an electromagnet, a second elastic member, and a locking member;

in the movable assembly in the shell of the second lock catch structure, the electromagnet is arranged close to the connecting plate of the first lock catch structure, and the electromagnet is rotatably connected with the lock catch shell; the connecting plate of the first locking structure penetrates through the second through groove to be connected with one side of the electromagnet, the other side of the electromagnet is connected with one end of the second elastic piece, and the other end of the second elastic piece is connected with the locking piece;

the locking piece has magnetism, when the electro-magnet is outage, the locking piece is spacing the rotator in the second hasp structure, when the electro-magnet is circular telegram, the locking piece with the rotator in the second hasp structure breaks away from.

9. The connecting mechanism of claim 8, wherein a plurality of positioning latches are arranged on one side of the locking piece away from the second elastic piece, a plurality of latches are arranged on the outer surfaces of the rotating bodies of the first locking structure and the second locking structure, and the positioning latches are matched with the latches;

when the electromagnet is powered off, the positioning latch is clamped with the latch of the rotary body in the second locking structure; when the electromagnet is electrified, the electromagnet attracts the locking piece, and the positioning latch is separated from the latch of the rotary body in the second locking structure.

10. A display device comprises a display panel, a backboard, a flexible cable and a printed circuit board, wherein the backboard wraps the display panel;

the display device is characterized by further comprising a connecting mechanism according to any one of claims 1 to 9, wherein the flexible cable part is accommodated in the accommodating device of the connecting mechanism, one end of the flexible cable is connected with the display panel, the other end of the flexible cable is connected with the printed circuit board, and the printed circuit board is fixed on the fixing device of the connecting mechanism and is connected with the back plate through the connecting device of the connecting mechanism.