Side locking mechanism and display equipment

Abstract

The utility model discloses a side lock mechanism and display equipment, the side lock mechanism comprises a zipper assembly and a zipper assembly, the zipper assembly comprises a first base, an operating handle, a lock rod, a first elastic piece and a stop lever, the operating handle is rotatably connected with the first base, the lock rod is rotatably connected with the operating handle, and the first elastic piece is connected with the stop lever. The first elastic piece is connected with the operation handle and the lock rod and used for enabling the lock rod to rotate towards the operation handle when the hooking state is released, the stop rod is arranged on the side portion of the operation handle, and when the lock rod rotates to a preset position under the action of the first elastic piece, the stop rod limits the lock rod to continue rotating; the lock seat assembly is provided with a lock catch, and the lock rod is used for hooking the lock catch. It can be understood that after the lock rod is switched into the unlocking state, the lock rod rotates towards the direction of the handle part under the action of the first elastic piece, so that the lock rod is separated from the lock catch, workers do not need to manually separate the lock rod from the lock catch, and the working intensity of the workers is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of display equipment, especially edge lock mechanism and display equipment. BACKGROUND

[0002] Display equipment, usually adopt a plurality of LED box splicing, usually be equipped with locking device between adjacent LED box to realize the fastening connection of both.

[0003] In the related art, the locking device is rotatably provided with a rotatable operating handle, the operating handle is rotatably provided with a U-shaped lock rod, and the U-shaped lock rod is hooked on the lock catch of the lock seat when the adjacent LED boxes are fastened and connected. If it is necessary to disassemble the adjacent LED boxes, the operating handle is rotated to release the hooking force of the U-shaped lock rod on the lock seat, so that the adjacent LED boxes can be disassembled.

[0004] However, after the U-shaped lock rod releases the hooking force on the lock seat, the U-shaped lock rod needs to be manually separated from the lock seat by the worker, resulting in a large working intensity of the worker. SUMMARY

[0005] The utility model aims at at least solving one of the technical problems existing in the prior art. To this end, the utility model provides an edge lock mechanism and display equipment, the edge lock mechanism is convenient to operate, thereby facilitating the disassembly of the display equipment.

[0006] In the first aspect, the embodiments of the present application provide an edge lock mechanism, comprising:

[0007] The pull lock assembly comprises a first base, an operating handle, a lock rod, a first elastic member and a blocking rod, wherein the operating handle is rotatably connected with the first base, the lock rod is rotatably connected with the operating handle, the first elastic member is connected with the operating handle and the lock rod, and is used for rotating the lock rod towards the operating handle when the hooking state is released, and the blocking rod is arranged on the side of the operating handle, and when the lock rod rotates to a preset position under the action of the first elastic member, the blocking rod limits the continuous rotation of the lock rod.

[0008] The lock seat assembly is provided with a lock catch, and the lock rod is used for hooking the lock catch.

[0009] According to some embodiments of the utility model, the lock rod is slidably arranged on the operating handle along the axial direction of the rotation shaft of the lock rod, and the lock rod can slide axially to pass the blocking rod.

[0010] The pull lock assembly further comprises a second elastic member, the second elastic member can keep the position of the lock rod relative to the rotation shaft direction, so that the blocking rod can effectively limit the rotation of the lock rod.

[0011] According to some embodiments of the utility model, the zipper assembly includes a rotating shaft, the rotating shaft is connected with the operating handle, the lock rod is slidably arranged on the rotating shaft, the second elastic member is connected with the rotating shaft and the lock rod, and is used for keeping the position of the lock rod relative to the rotating shaft.

[0012] The zipper assembly includes a rotating shaft, the rotating shaft is connected with the operating handle, the lock rod is slidably arranged on the rotating shaft, the second elastic member is connected with the rotating shaft and the lock rod, and is used for keeping the position of the lock rod relative to the rotating shaft.

[0013] According to some embodiments of the utility model, the blocking rod is elastically arranged on the operating handle, when the blocking rod is in the retracted state, the lock rod can pass over the blocking rod.

[0014] According to some embodiments of the utility model, the outer end of the blocking rod is provided with a right angle or a rounded corner.

[0015] According to some embodiments of the utility model, the operating handle is provided with two lugs, the side of the rotating shaft is provided with a stepped surface, the second elastic member is sleeved on the rotating shaft, one end of the second elastic member abuts against the inner side of the lug, and the other end abuts against the stepped surface.

[0016] According to some embodiments of the utility model, the edge locking mechanism further includes a positioning wheel and a limiting pin, wherein the positioning wheel is sleeved on the rotating shaft and located between the two lugs, one of the rotating shaft and the positioning wheel is provided with a limiting groove in the axial direction, the limiting pin is connected with the other one through insertion, the limiting pin is slidably arranged in the limiting groove, so that the rotating shaft slides within a set range.

[0017] According to some embodiments of the utility model, the lock seat assembly includes:

[0018] The second base is provided with two installation side plates arranged at intervals, and an arc-shaped guide channel is formed between the two installation side plates;

[0019] The arc-shaped lock seat is provided with a lock catch for hooking the lock rod, the arc-shaped lock seat is slidably arranged in the guide channel, the arc-shaped lock seat is provided with an arc-shaped scale panel between the two installation side plates, the arc-shaped scale panel is provided with an arc-shaped sliding groove penetrating the scale panel in the sliding direction, and the arc-shaped lock seat is sequentially provided with a first positioning tooth portion and a positioning groove in the sliding direction.

[0020] The positioning assembly comprises a positioning screw, a first positioning member, an operation handle and a second positioning member, wherein the first positioning member is slidingly arranged at the inner side of the arc-shaped lock seat and is provided with a second positioning tooth part matched with the first positioning tooth part, the positioning screw is rotationally arranged at the second base and is sequentially arranged through the first positioning member and the arc-shaped sliding groove, the positioning screw is threadedly connected with the first positioning member, the operation handle is arranged at the outer end of the positioning screw located at the scale panel, the operation handle can be operated to control the rotation of the positioning screw, so as to control the engagement or disengagement of the first positioning tooth part and the second positioning tooth part, and the second positioning member can be elastically arranged at the second base and abut against the positioning groove, and the first positioning tooth part and the positioning groove are located at the surface of the scale panel away from the scale surface.

[0021] According to some embodiments of the present application, the outer end of the positioning screw is provided with a fixing groove away from or close to the side of the lock seat assembly;

[0022] The operation handle is provided with a fixing member capable of elastic expansion and contraction, and the fixing member is used for embedding in the fixing groove.

[0023] In the second aspect, the present application provides a display device, comprising:

[0024] The LED boxes are spliced together;

[0025] The above-mentioned edge lock mechanism, the zipper assembly is connected with the edge of one of the LED boxes, the lock seat assembly is connected with the edge of another of the LED boxes, and the lock rod is used for being hooked in the lock catch of the arc-shaped lock seat.

[0026] As can be seen from the above technical solutions, the embodiments of the present application have the following advantages: after the lock rod is switched to the unlocking state, the lock rod rotates towards the direction of the operation handle under the action of the first elastic member, so as to realize the separation of the lock rod and the lock catch, without the need for the staff to manually separate the lock rod and the lock catch, thereby reducing the working intensity of the staff. Moreover, when the lock rod is rotated to the preset position, the blocking rod effectively limits the lock rod from continuing to rotate towards the direction of the operation handle, thereby effectively avoiding the lock rod from hitting the staff, and further ensuring the operation safety of the staff.

[0027] In addition, the blocking rod effectively limits the lock rod from being attached to the operation handle and maintaining a certain angle with the operation handle. In this way, during the assembly of the LED boxes, the staff can conveniently operate the lock rod to rotate towards the direction of the lock seat assembly, so as to be buckled in the lock catch of the lock seat assembly. Especially when applied to the assembly of the display device, a large number of edge lock mechanisms are arranged on the display device, and if the lock rod is convenient to operate, it can effectively help the staff to assemble the display device. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is the whole structure schematic view of the edge lock mechanism of the utility model embodiment;

[0029] Figure 2 It is the whole structure schematic view of the zipper assembly of the utility model embodiment;

[0030] Figure 3 It is the application structure schematic view of the edge lock mechanism of the utility model embodiment;

[0031] Figure 4 It is the explosion structure schematic view of the zipper assembly of the utility model embodiment;

[0032] Figure 5 It is the partial structure explosion schematic view of the zipper assembly of the utility model embodiment;

[0033] Figure 6 It is the axial section structure schematic view of the zipper assembly of the utility model embodiment;

[0034] Figure 7 It is the structure schematic view of the lock seat assembly of the utility model embodiment;

[0035] Figure 8 It is the explosion structure schematic view of the lock seat assembly of the utility model embodiment;

[0036] Figure 9 It is the structure schematic view of the display device of the utility model embodiment.

[0037] Among them, the meaning of the reference sign is as follows:

[0038] 100, zipper assembly;110, first base;111, second pivot;120, operating handle;121, connecting part;1211, lug;122, handle part;130, lock rod;140, first elastic member;150, blocking rod;160, second elastic member;170, pivot;171, limiting groove;172, step surface;180, limiting pin;190, positioning wheel;200, lock seat assembly;210, second base;211, installation side plate;2111, guide groove;212, guide channel;220, arc-shaped lock seat;221, scale panel;2211, first positioning tooth part;2212, lock catch;2213, arc-shaped sliding groove;230, positioning assembly;231, positioning screw;2311, fixed groove;232, first positioning member;2321, second positioning tooth part;2322, guide protrusion;233, operating handle;2331, fixed member;234, second positioning member;300, LED box. DETAILED DESCRIPTION

[0039] Embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are used merely for the purpose of explaining the present application, and should not be construed as limiting the present application.

[0040] In the description of the present application, it should be understood that, in relation to the orientation description, for example, the orientation or position relationship indicated by up, down, front, back, up, down, etc. is based on the orientation or position relationship shown in the drawings, and is only for the purpose of facilitating the description of the present application and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0041] In the description of the present application, the meaning of several is more than one, the meaning of multiple is more than two, greater than, less than, more than, etc. are understood as not including the number, above, below, etc. are understood as including the number. If it is described as first, second, it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.

[0042] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting, etc. should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical solution.

[0043] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0044] The present application will be described in further detail below with reference to the drawings.

[0045] Please refer to Figures 1 to 4The utility model provides a side lock mechanism, including zipper assembly 100 and lock seat assembly 200. Among them, zipper assembly 100 includes first base plate 110, operating handle 120, lock bar 130, first elastic part 140 and stop bar 150, wherein, operating handle 120 includes the connecting portion 121 and handle portion 122 of being connected, and the end portion of connecting portion 121 is away from handle portion 122 and is rotatably connected with first base plate 110, handle portion 122 can be operated to control operating handle 120 rotation. Lock bar 130 is roughly U-shaped arrangement, and both ends of lock bar 130 are rotatably connected with connecting portion 121. First elastic part 140 is connected with operating handle 120 and lock bar 130, for making lock bar 130 rotate towards the direction of handle portion 122 when unlocking. Stop bar 150 is arranged at the end of connecting portion 121 or handle portion 122 close to connecting portion 121, for limiting the rotation of lock bar 130 when lock bar 130 rotates to the preset position. Lock seat assembly 200 is provided with lock catch 2212, and lock bar 130 is hooked in lock catch 2212 when being in the lock holding state.

[0046] Specifically, the side lock mechanism is applied, and zipper assembly 100 and lock seat assembly 200 are respectively installed on two adjacent LED boxes, for example, zipper assembly 100 and lock seat assembly 200 are respectively installed on the edges of adjacent LED boxes 300, lock bar 130 rotates to the position of lock seat assembly 200, and is buckled in lock catch 2212 of lock seat assembly 200, so as to realize the stable splicing of two LED boxes. If it is needed to disassemble the LED box, the staff can hold handle portion 122 of operating handle 120 to push operating handle 120 to rotate, operating handle 120 makes lock bar 130 switch from the lock holding state to the unlocking state by rotating. After lock bar 130 switches to the unlocking state, lock bar 130 rotates towards the direction of handle portion 122 under the action of first elastic part 140, so as to realize the separation of lock bar 130 and lock catch 2212, without the staff manually separating lock bar 130 and lock catch 2212, the working strength of the staff is reduced. Moreover, when lock bar 130 rotates to the preset position, stop bar 150 effectively limits lock bar 130 to continue rotating towards the direction of handle portion 122, so as to effectively avoid the driving force of first elastic part 140 to lock bar 130, and lock bar 130 hits the hand of the staff, thereby ensuring the operation safety of the staff.

[0047] In addition, the stopper 150 effectively limits the lock bar 130 to be attached to the handle portion 122 and to be kept at a certain angle with the handle portion 122. In this way, during the assembly of the LED box, the staff can conveniently operate the lock bar 130 to rotate towards the lock seat assembly 200, so as to be buckled in the lock buckle 2212 of the lock seat assembly 200. Especially when applied to the assembly of the display device, a large number of edge lock mechanisms are provided on the display device, and if the lock bar 130 is convenient to operate, it can effectively help the staff to assemble the display device.

[0048] In order to enable the lock bar 130 to be compactly flipped to one side of the operation handle 120, in some embodiments, referring to Figure 2 With Figure 4 , the lock bar 130 is arranged in the connecting portion 121 in the axial direction of the rotation shaft 170, so as to be able to slide axially to pass the stopper 150. Moreover, the lock assembly 100 further comprises a second elastic member 160 connected with the operation handle 120 and the lock bar 130, and the second elastic member 160 is used to reset the lock bar 130 to the initial position when the lock bar 130 is not subjected to the axial force, so that the stopper 150 can block the rotation of the lock bar 130.

[0049] Specifically, the stopper 150 is arranged on one side of the connecting portion 121, and one side arm of the lock bar 130 is located on the side of the connecting portion 121 with the stopper 150. When the lock bar 130 needs to pass the stopper 150, the staff pushes the lock bar 130 to slide in the axial direction, and the second elastic member 160 is gradually compressed, and the lock bar 130 moves in the lateral direction towards the side of the connecting portion 121 with the stopper 150. When the distance between the side arm of the lock bar 130 and the connecting portion 121 is greater than the exposed length of the stopper 150, the lock bar 130 can pass the stopper 150 by rotating. After the lock bar 130 passes the stopper 150, the lock bar 130 is restored to the initial position under the action of the second elastic member 160, and the first elastic member 140 enables the lock bar 130 to be compactly flipped to one side of the operation handle 120, so that the overall thickness of the LED box 300 is small when not in use, thereby facilitating the storage and transportation of the LED box 300.

[0050] In the rotation process of the lock bar 130 towards the stopper 150 under the action of the first elastic member 140, the second elastic member 160 can effectively enable the lock bar 130 to be located in the initial position in the axial direction of the rotation shaft 170. In this way, the lock bar 130 is located in the initial position when rotated to the position of the stopper 150, and the stopper 150 can effectively limit the lock bar 130 to continue rotating, thereby avoiding the lock bar 130 from hitting the hands of the staff.

[0051] In the first specific embodiment, referring to Figure 2 With Figure 4The connection portion 121 is provided with two lugs 1211, the rotating shaft 170 is connected to the two lugs 1211, and the two ends of the lock rod 130 are connected to the two ends of the rotating shaft 170, so that the lock rod 130 is arranged on the connection portion 121 in the axial direction of the rotating shaft 170 through the rotating shaft 170. The second elastic member 160 is connected to the connection portion 121 and the first lock rod 130, for example, the second elastic member 160 can be a spring, the second elastic member 160 is sleeved on the rotating shaft 170, one end abuts against the stepped surface 172 on the side of the rotating shaft 170, and the other end abuts against the inner side of the lug 1211. When the rotating shaft 170 is not subjected to an axial force, the second elastic member 160 is used to reset the rotating shaft 170 to the initial position, and the lock rod 130 rotates synchronously with the rotating shaft 170, so as to reset to the initial position.

[0052] Specifically, when the lock rod 130 needs to pass the blocking rod 150, the worker pushes the lock rod 130 to slide in the axial direction of the rotating shaft 170 while rotating the lock rod 130, the distance between the side arm of the lock rod 130 close to the blocking rod 150 and the connection portion 121 gradually increases, and the second elastic member 160 is gradually compressed. When the distance between the side arm of the lock rod 130 close to the blocking rod 150 and the connection portion 121 is greater than the exposed length of the blocking rod 150, the lock rod 130 can pass the blocking rod 150 by rotating. After the lock rod 130 passes the blocking rod 150, the rotating shaft 170 returns to the initial position under the action of the second elastic member 160, and correspondingly, the lock rod 130 returns to the initial position synchronously with the rotating shaft 170, so that the blocking rod 150 can be used to limit the rotation of the lock rod 130 again, thereby facilitating use.

[0053] In the second embodiment, the zipper assembly 100 further comprises a rotating shaft 170. The connection portion 121 is provided with two lugs 1211, the rotating shaft 170 is connected to the two lugs 1211, and the two ends of the lock rod 130 are arranged on the two ends of the rotating shaft 170 in the axial direction of the rotating shaft 170, so that the lock rod 130 is arranged on the connection portion 121 in the axial direction of the rotating shaft 170 through the rotating shaft 170. The second elastic member 160 is connected to the connection portion 121 and the lock rod 130, for example, the second elastic member 160 can be a spring, the second elastic member 160 is sleeved on the rotating shaft 170, one end abuts against the side arm of the lock rod 130, and the other end abuts against the outer side of the lug 1211. Thus, when the rotating shaft 170 is not subjected to an axial force, the second elastic member 160 is used to reset the lock rod 130 to the initial position.

[0054] Specifically, when the lock bar 130 needs to pass the blocking bar 150, the worker pushes the lock bar 130 to slide along the axial direction of the rotation shaft 170 while operating the lock bar 130 to rotate. The distance between the side arm of the lock bar 130 close to the blocking bar 150 and the connecting portion 121 gradually increases, and the second elastic member 160 is gradually compressed. When the distance between the side arm of the lock bar 130 close to the blocking bar 150 and the connecting portion 121 is greater than the exposed length of the blocking bar 150, the lock bar 130 can pass the blocking bar 150 by rotating. After passing the blocking bar 150, the lock bar 130 returns to the initial position under the action of the second elastic member 160, and the blocking bar 150 can be used again to limit the rotation of the lock bar 130, which is convenient for use.

[0055] Instead of the axial sliding of the lock bar 130 to pass the blocking bar 150, in another possible embodiment, the blocking bar 150 can be elastically telescopic arranged at the connecting portion 121 or the end of the handle portion 122 close to the connecting portion 121, so that the lock bar 130 can pass the blocking bar 150. For example, the inner end of the blocking bar 150 is arranged at the side of the connecting portion 121 by spring sliding. In a specific application, when the side arm of the lock bar 130 moves to the position of the blocking bar 150, the worker pushes the end of the blocking bar 150 to elastically contract towards the connecting portion 121 until the blocking bar 150 does not interfere with the side arm of the lock bar 130. At this time, the lock bar 130 can pass the blocking bar 150 by rotating. After passing the blocking bar 150, the blocking bar 150 returns to the initial position before contraction, so that it can be used again to limit the rotation of the lock bar 130.

[0056] In other possible embodiments, the lock bar 130 is arranged at the connecting portion 121 by sliding along the axial direction of the rotation shaft 170, the zipper assembly 100 further comprises a second elastic member 160 connected with the operating handle 120 and the lock bar 130. When the lock bar 130 is not subjected to an axial force, the second elastic member 160 is used to return the lock bar 130 to the initial position. The blocking bar 150 can be elastically telescopic arranged at the connecting portion 121 or the end of the handle portion 122 close to the connecting portion 121, and the inner end of the blocking bar 150 is arranged at the side of the connecting portion 121 by spring sliding.

[0057] As can be seen from the above, when the lock bar 130 passes the blocking bar 150, the side arm of the lock bar 130 close to the blocking bar 150 slides away from the connecting portion 121 along the axial direction of the rotation shaft 170, and the blocking bar 150 elastically contracts towards the connecting portion 121. As can be seen from the above, the lock bar 130 can pass the blocking bar 150 by rotating. After passing the blocking bar 150, the lock bar 130 returns to the initial position, and the blocking bar 150 returns to the initial position before contraction, so that the blocking bar 150 can be used again to limit the rotation of the lock bar 130.

[0058] In order to facilitate the lock rod 130 to pass over the blocking rod 150, in some embodiments, the end of the blocking rod 150 is provided with a reverse right angle or a reverse round angle, so as to form a guide surface (not shown in the figure) around the end of the blocking rod 150. It can be understood that when the lock rod 130 passes over the blocking rod 150, the side arm of the lock rod 130 acts on the end of the blocking rod 150 through the guide surface, the blocking rod 150 axially reacts on the side arm of the lock rod 130, so as to make the lock rod 130 slide along the axial direction of the rotation shaft 170; and / or the lock rod 130 is pushed by the guide surface to shrink in the direction of the connecting portion 121. Thus, it can be seen that the blocking rod 150 adopts the above structure, and the lock rod 130 can conveniently pass over the blocking rod 150.

[0059] In some embodiments, referring to Figure 2 With Figure 4 , the rotation shaft 170 is configured to slide within a set range, and correspondingly, the lock rod 130 slides within the set range, so as to facilitate the worker to slide the lock rod 130 to the corresponding position, so as to be able to pass over the blocking rod 150 by rotating. At the same time, the connecting portion 121 is provided with two lugs 1211, the rotation shaft 170 slides through the two lugs 1211, the side of the rotation shaft 170 is provided with a stepped surface 172, the stepped surface 172 is located between the two lugs 1211 and is arranged towards the inner side of one lug 1211. The second elastic member 160 can adopt a spring, the second elastic member 160 is sleeved on the rotation shaft 170, one end of the second elastic member 160 abuts against the inner side of the lug 1211, and the other end abuts against the stepped surface 172. Thus, when the lock rod 130 slides within the set range, the second elastic member 160 can reset the lock rod 130 to the initial position, so that the blocking rod 150 can effectively limit the rotation of the lock rod 130.

[0060] In order to make the rotation shaft 170 slide within the set range, in further specific embodiments, referring to Figure 5 With Figure 6 , one of the rotation shaft 170 and the positioning wheel 190 is provided with a limiting slot 171 along the axial direction thereof, and the other is provided with a limiting pin 180, the limiting pin 180 is slidingly arranged in the limiting slot 171, so as to make the lock rod 130 slide within the set range. For example, the side wall of the positioning wheel 190 is provided with a insertion hole penetrating through the inner and outer sides thereof, the side wall of the rotation shaft 170 is provided with the limiting slot 171 along the axial direction, and the insertion hole and the limiting slot 171 are correspondingly arranged. One end of the insertion pin is inserted and fixed in the insertion hole, and the other end is slidingly embedded in the limiting slot 171. In this way, when the rotation shaft 170 slides in the axial direction, the limiting slot 171 makes the limiting pin 180 slide within the length range of the limiting slot 171, so as to make the rotation shaft 170 move within the set range, and further make the lock rod 130 axially slide within the controllable range, so that the worker can conveniently slide the lock rod 130 to the appropriate position to pass over the blocking rod 150.

[0061] In some embodiments, with reference to Figure 7 With Figure 8 The lock seat assembly 200 comprises a second base 210, an arc-shaped lock seat 220 and a positioning assembly 230.

[0062] The second base 210 is provided with two spaced apart mounting side plates 211, and an arc-shaped guide channel 212 is formed between the two mounting side plates 211. The arc-shaped lock seat 220 is slidingly arranged in the guide channel 212. The arc-shaped lock seat 220 is provided with an arc-shaped scale panel 221. The scale panel 221 is provided with an arc-shaped sliding slot 2213 penetrating the scale surface thereof along the sliding direction thereof. The scale surface of the scale panel 221 is provided with a lock catch 2212 for hooking the lock rod 130. The arc-shaped lock seat 220 is provided with a first positioning tooth portion 2211 and a positioning groove in sequence along the sliding direction thereof. Specifically, the first positioning tooth portion 2211 is located on the surface of the scale panel 221 facing away from the scale surface, i.e., the first positioning tooth portion 2211 and the positioning groove can be arranged on the inner side of the scale panel 221 and distributed on both sides of the sliding slot, so as to avoid the first positioning tooth portion 2211 being exposed to the outside of the scale panel 221 and being easily damaged by collision.

[0063] The positioning assembly 230 comprises a positioning screw 231, a first positioning member 232, an operation handle 233 and a second positioning member 234. The first positioning member 232 is slidingly arranged on the inner side of the second base 210 to move away from or close to the scale panel 221. Specifically, the two mounting side plates 211 are provided with guide grooves 2111, and the two sides of the first positioning member 232 are provided with guide protrusions 2322 which are slidingly arranged in the guide grooves 2111, so that the first positioning member 232 is slidingly arranged on the inner side of the second base 210. The side of the first positioning member 232 close to the scale panel 221 is provided with a second positioning tooth portion 2321 which cooperates with the first positioning tooth portion 2211. The inner end of the positioning screw 231 is rotationally arranged in the second base 210, and the outer end of the positioning screw 231 is sequentially arranged in the first positioning member 232 and the arc-shaped sliding slot 2213 and exposed to the outside of the positioning sliding slot. The positioning screw 231 is threadedly connected with the first positioning member 232. The operation handle 233 is rotationally arranged on the outer end of the positioning screw 231 located on the scale panel 221. The operation handle 233 can be operated to control the rotation of the positioning screw 231, so that the first positioning tooth portion 2211 and the second positioning tooth portion 2321 are engaged or separated. The second positioning member 234 is in the shape of a ball and is elastically arranged in the second base 210. The second positioning member 234 is used to abut against the positioning groove.

[0064] In a specific application, in order to adapt to the hooking of the lock catch 2212, the worker drives the positioning screw 231 to rotate by operating the handle 233, the positioning screw 231 drives the first positioning member 232 to move away from the scale panel 221, and the first positioning tooth part 2211 is separated from the second positioning tooth part 2321, so as to release the restriction of the first positioning member 232 on the arc-shaped lock seat 220. At this time, the worker can adjust the position of the arc-shaped lock seat 220 along the guide channel 212, so as to adjust the position of the lock catch 2212. Wherein, during the adjustment of the arc-shaped lock seat 220, the second positioning member 234 can automatically elastically contract, so that the arc-shaped lock seat 220 can be normally adjusted. After the adjustment of the arc-shaped lock seat 220 is completed, the second positioning member 234 is automatically embedded in the positioning groove, so that the arc-shaped lock seat 220 can be kept at the adjusted position. Therefore, after the adjustment of the arc-shaped lock seat 220 is completed, since the second positioning member 234 can keep the arc-shaped lock seat 220 at the adjusted position, the worker can conveniently drive the positioning screw 231 to rotate by operating the handle 233, the positioning screw 231 drives the first positioning member 232 to slide towards the scale panel 221, so as to make the first positioning tooth part 2211 and the second positioning tooth part 2321 be locked again, so as to tightly keep the arc-shaped lock seat 220 at the adjusted position.

[0065] It should be noted that the positioning assembly 230 adopts the above arrangement, that is, the handle 233 is arranged outside the scale surface of the scale panel 221. In this way, the worker can conveniently drive the positioning screw 231 to rotate by operating the handle 233, so as to control the locking or unlocking of the arc-shaped lock seat 220.

[0066] In order to avoid the handle 233 affecting the observation of the scale line of the scale panel 221, in some embodiments, the handle 233 can be rotated to the side of the positioning screw 231 close to the lock assembly 100, or to the side of the positioning screw 231 away from the lock assembly 100, so as to facilitate the observation of the scale on the scale panel 221. Specifically, the outer end of the positioning screw 231 is provided with a fixed groove on the side away from or close to the lock seat assembly 200, and the fixed groove is arranged in a hemispherical shape; the handle 233 is provided with a fixed part 2331 capable of elastic expansion and contraction, and the fixed part 2331 is a spherical body used for embedding in the fixed groove. Therefore, when the handle 233 is rotated to the side of the positioning screw 231 close to the lock assembly 100, the fixed part 2331 is embedded in the corresponding fixed groove, so that the handle 233 is kept at this position, to facilitate the worker to observe the scale line of the scale panel 221; when the handle 233 is rotated to the side of the positioning screw 231 away from the lock assembly 100, the fixed part 2331 is embedded in the corresponding fixed groove, so that the handle 233 is kept at this position, to facilitate the worker to observe the scale line of the scale panel 221.

[0067] The application discloses a display device, referring to Figure 1 、 Figure 2 With Figure 9 , including the spliced LED box 300 and the above-mentioned edge locking mechanism, wherein the zipper assembly 100 is connected with the edge of one LED box 300, the lock seat assembly 200 is connected with the edge of another LED box 300, and the lock rod 130 is used for hooking in the lock catch 2212 of the arc-shaped lock seat 220.

[0068] It can be understood that the display device adopts the above-mentioned edge locking mechanism. When the display device is disassembled, the zipper assembly 100 and the lock seat assembly 200 are respectively installed on the edges of adjacent LED boxes 300, the lock rod 130 is rotated to the position of the lock seat assembly 200, and is buckled in the lock catch 2212 of the lock seat assembly 200, so that the stable splicing of the two LED boxes 300 is realized. If it is necessary to disassemble the LED box 300, the worker can hold the handle part 122 of the operation handle 120 to push the operation handle 120 to rotate, and the operation handle 120 makes the lock rod 130 switch from the lock holding state to the unlocking state through rotation. After the lock rod 130 switches to the unlocking state, the lock rod 130 rotates in the direction of the handle part 122 under the action of the first elastic member 140, so that the separation of the lock rod 130 and the lock catch 2212 is realized, and the worker does not need to manually separate the lock rod 130 and the lock catch 2212, so that the disassembly of the LED box 300 is closed. Moreover, when the lock rod 130 rotates to the preset position, the stop rod 150 effectively limits the lock rod 130 from continuing to rotate in the direction of the handle part 122, so that the lock rod 130 is effectively prevented from hitting the worker's hand, and the operation safety of the worker is ensured.

[0069] The technical means disclosed in the utility model scheme is not only limited to the technical means disclosed in the above-mentioned embodiment, but also includes the technical scheme composed of any combination of the above technical features. It should be pointed out that, for ordinary skilled persons in the technical field, some improvements and refinements can be made without departing from the principle of the utility model, and these improvements and refinements are also regarded as the protection range of the utility model.

Claims

1. An edge lock mechanism, characterized in that, The zipper assembly comprises a first base, an operating handle, a lock rod, a first elastic member and a blocking rod, wherein the operating handle is rotationally connected with the first base, the lock rod is rotationally connected with the operating handle, the first elastic member is connected with the operating handle and the lock rod, and is used for rotating the lock rod towards the operating handle when the lock rod is in a released state, and the blocking rod is arranged on the side of the operating handle, and when the lock rod rotates to a preset position under the action of the first elastic member, the blocking rod limits the lock rod from continuing to rotate. The lock seat assembly is provided with a lock buckle, and the lock rod is used for hooking the lock buckle. The lock rod is arranged on the operating handle in the axial direction of the rotation shaft of the lock rod, and the lock rod can slide in the axial direction to pass the blocking rod.

2. The edge lock mechanism of claim 1, wherein, The zipper assembly further comprises a second elastic member, and the second elastic member can keep the position of the lock rod relative to the rotation shaft direction, so that the blocking rod can effectively limit the rotation of the lock rod. The zipper assembly comprises a rotation shaft, the rotation shaft is arranged on the operating handle in the axial direction of the rotation shaft, the lock rod is connected with the rotation shaft, and the second elastic member is connected with the operating handle and the rotation shaft, and is used for keeping the position of the rotation shaft relative to the operating handle; or 3. The edge lock mechanism of claim 2, wherein, The zipper assembly comprises a rotation shaft, the rotation shaft is connected with the operating handle, the lock rod is arranged on the rotation shaft, and the second elastic member is connected with the rotation shaft and the lock rod, and is used for keeping the position of the lock rod relative to the rotation shaft. The blocking rod is elastically arranged on the operating handle, and when the blocking rod is in a contracted state, the lock rod can pass the blocking rod.

4. The edge lock mechanism according to any one of claims 1 to 3, characterized in that The outer end of the blocking rod is provided with a right-angled or rounded corner.

5. The edge lock mechanism of claim 1, wherein, The operating handle is provided with two lugs, the side of the rotation shaft is provided with a stepped surface, the second elastic member is sleeved on the rotation shaft, one end of the second elastic member abuts against the inner side of the lug, and the other end abuts against the stepped surface.

6. The edge lock mechanism of claim 3, wherein, The zipper assembly further comprises a positioning wheel and a limiting pin, wherein the positioning wheel is sleeved on the rotation shaft and located between the two lugs, one of the rotation shaft and the positioning wheel is provided with a limiting groove in the axial direction, the limiting pin is connected with the other one by insertion, and the limiting pin is arranged in the limiting groove, so that the rotation shaft slides within a set range.

7. The edge lock mechanism of claim 6, wherein, The lock seat assembly comprises:

8. The edge lock mechanism of claim 1, wherein, A second base is provided with spaced installation side plates, and an arc-shaped guide channel is formed between the two installation side plates; An arc-shaped lock seat is provided with a lock buckle for hooking the lock rod, the arc-shaped lock seat is arranged in the guide channel, the arc-shaped lock seat is provided with an arc-shaped scale panel between the two installation side plates, the arc-shaped scale panel is provided with an arc-shaped sliding groove penetrating the scale panel in the sliding direction of the arc-shaped scale panel, the arc-shaped lock seat is sequentially provided with a first positioning tooth portion and a positioning groove in the sliding direction of the arc-shaped lock seat, and the first positioning tooth portion and the positioning groove are located on the surface of the scale panel away from the scale panel. ​ The positioning assembly comprises a positioning screw, a first positioning member, an operation handle and a second positioning member. The first positioning member is slidingly arranged at the inner side of the arc-shaped lock seat and is provided with a second positioning tooth part matched with the first positioning tooth part. The positioning screw is rotationally arranged at the second base and is sequentially arranged through the first positioning member and the arc-shaped sliding groove. The positioning screw is threadedly connected with the first positioning member. The operation handle is rotationally arranged at the outer end of the positioning screw away from the scale panel. The operation handle can be operated to control the rotation of the positioning screw, so as to control the engagement or disengagement of the first positioning tooth part and the second positioning tooth part. The second positioning member is elastically arranged at the second base and is used for abutting against the positioning groove.

9. The edge lock mechanism of claim 8, wherein, The outer end of the positioning screw is provided with a fixing groove away from or close to the side of the zipper assembly. The operation handle is provided with an elastic fixing member embedded in the fixing groove.

10. A display device, characterized by comprising: Comprise: At least two LED boxes spliced together; The zipper assembly is connected with the edge of one of the LED boxes, the lock seat assembly is connected with the edge of another of the LED boxes, and the lock rod is used for hooking in the lock catch of the arc-shaped lock seat.

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