CN109872643B

CN109872643B - Connecting lock catch

Info

Publication number: CN109872643B
Application number: CN201811548824.7A
Authority: CN
Inventors: 肖华勇; 何昆鹏; 吴振志; 吴涵渠
Original assignee: Shenzhen Aoto Electronics Co Ltd
Current assignee: Shenzhen Aoto Electronics Co Ltd
Priority date: 2018-12-18
Filing date: 2018-12-18
Publication date: 2022-02-01
Anticipated expiration: 2038-12-18
Also published as: CN109872643A

Abstract

The invention relates to a connecting lock catch, which comprises a first connecting lock and a second connecting lock, wherein the first connecting lock and the second connecting lock are detachably fixed, and the first connecting lock comprises: the base is provided with a buckling position; the handle is rotatably connected to the base; the hook is fixed on the handle and is used for fixedly clamping the second connecting lock; the clamping hook is arranged on the handle and is rotationally connected with the handle, and the clamping hook is clamped in the clamping position in a natural state; and the unlocking assembly is in transmission connection with the clamping hook, and when external force acts on the unlocking assembly, the clamping hook rotates relative to the handle and is separated from the clamping of the clamping hook in the rotating process. Through the linkage of unblock subassembly, trip to as long as press the unblock subassembly, can make the relative trip of unblock subassembly remove, and then promote the rotation of trip, the trip breaks away from the block with the buckle position when rotating, has realized a key unblock, very big simplification the operation of connecting the hasp, promoted the convenience of controlling.

Description

Connecting lock catch

Technical Field

The invention relates to the field of LED display screens, in particular to a connecting lock catch.

Background

At present, the LED display units are generally connected and locked through a locking device with high strength, the traditional locking device generally comprises a metal fixing sheet and screws, wherein two ends of the metal sheet are respectively fixed on the adjacent LED display units through the screws, so that the purpose of fixed connection is achieved, but the connection mode of the LED display units wastes time and labor in the actual splicing/de-splicing process, and the efficiency is low. Also have through hasp reciprocal anchorage, however traditional hasp operation is comparatively troublesome, often needs the position of artifical adjustment LED display element when two LED display element concatenations, fixes again, generally needs many people to operate, and the process of relieving the concatenation simultaneously is also comparatively loaded down with trivial details. Therefore, the traditional splicing and fixing mode is low in disassembly and assembly efficiency.

Disclosure of Invention

Therefore, it is necessary to provide a connecting lock catch aiming at the problem of low disassembly and assembly efficiency of the traditional splicing and fixing mode.

The utility model provides a connecting lock catch, includes first connecting lock and second connecting lock, first connecting lock reaches the second connecting lock is fixed in respectively on the LED display element of difference for it is fixed to realize the concatenation of two LED display elements, first connecting lock with second connecting lock detachable is fixed, first connecting lock includes:

the base is used for fixing the first connecting lock on the LED display unit, and a clamping position is arranged on the base;

the handle is rotatably connected to the base;

the hook is fixed on the handle and used for being fixedly clamped with the second connecting lock, and when the handle rotates relative to the base, the hook can be clamped on the second connecting lock;

the clamping hook is arranged on the handle and is rotationally connected to the handle, and the clamping hook is clamped in the clamping position in a natural state; and

the unlocking assembly is in transmission connection with the clamping hook, when external force acts on the unlocking assembly, the clamping hook rotates relative to the handle and is separated from the clamping of the clamping hook in the rotating process; when the hook is clamped on the second connecting lock and the hook is clamped on the clamping position, the first connecting lock and the second connecting lock are mutually spliced and fixed and realize self-locking.

In one embodiment, the base comprises a bottom plate and a rotating plate, the rotating plate is fixedly connected to the bottom plate, the base is fixed on the LED display unit through the bottom plate, and the fastening position is arranged at one end of the rotating plate, which is far away from the second connecting lock.

In one embodiment, the base further comprises a butt plate, the butt plate is arranged at one end of the base close to the second connecting lock, and an alignment protrusion is arranged on the butt plate;

the second connecting lock comprises a substrate and a locking block, the substrate is fixed on the LED display unit, the locking block is fixedly connected to the substrate, a clamping groove is formed in one end, deviating from the first connecting lock, of the locking block, the clamping groove is used for clamping the hook, an aligning groove is formed in one end, close to the first connecting lock, of the locking block, and when the first connecting lock is connected with the second connecting lock, the aligning protrusion is embedded into the aligning groove.

In one embodiment, the handle is provided with a containing groove, the hook is contained in the containing groove and is rotatably connected to the groove wall of the containing groove, and when the handle rotates, the buckle position can enter the containing groove to be clamped with the hook.

In one embodiment, the handle is further provided with a communicating groove, the accommodating groove is communicated with the outside through the communicating groove, and the unlocking assembly penetrates through the communicating groove to enter the accommodating groove and is in transmission connection with the clamping hook.

In one embodiment, the clamping hook comprises a clamping part, a connecting part and an unlocking part, the clamping part is connected with the unlocking part through the connecting part, the clamping part is used for clamping with the clamping position, the first connecting lock further comprises a second rotating shaft, the clamping hook is fixed on the groove wall of the accommodating groove through the second rotating shaft, and the unlocking component is in transmission connection with the unlocking part; when external force acts on the unlocking assembly, the unlocking assembly pushes the unlocking part to move, the clamping hook rotates around the second rotating shaft, and the clamping part moves to be separated from the clamping position; when the external force is removed, the clamping hook resets and clamps the clamping position.

In one embodiment, the unlocking part is provided with two extending protrusions, the two extending protrusions are arranged at intervals, a through groove is formed between the two extending protrusions, the extending protrusions are provided with sliding holes, the unlocking assembly can slide in the sliding holes, and in the sliding process, the clamping hook rotates around the second rotating shaft.

In one embodiment, the unlocking assembly comprises a connecting piece, the connecting piece comprises a rod part and branch parts, and the branch parts are fixedly connected to the rod part, arranged on two opposite sides of the rod part and extend into the sliding holes from two opposite sides of the rod part.

In one embodiment, the hook is pivotally connected to the handle.

In one embodiment, the first connecting lock further comprises a hook pulling piece, and the hook pulling piece is sleeved on the hook so as to drive the hook to rotate through the hook pulling piece.

Above-mentioned connecting lock detains through fixing the couple on the handle of first connecting lock, can realize the fixed of first connecting lock and second connecting lock to when first connecting lock and second connecting lock are fixed in respectively on different LED display element, can realize that two LED display element's concatenation is fixed. Rotate to connect in the base through the handle again, the handle is when rotating, it rotates together to drive the couple, the trip sets up on hand and rotates with the handle to be connected, through the buckle position on trip and the base, can realize the locking of first joint lock, thereby make the couple fixed, maintain inseparable concatenation, the setting of unblock subassembly, realize the delocking subassembly, the linkage of trip, thereby as long as press the unblock subassembly, can make the relative trip of unblock subassembly remove, and then promote the rotation of trip, the trip is when rotating, break away from the block with the buckle position, one-key unblock has been realized, very big simplification connects the operation of hasp, the convenience of controlling has been promoted.

Drawings

Fig. 1 is a schematic structural view of a connecting lock according to an embodiment of the invention;

FIG. 2 is a cross-sectional view of a first connecting lock of the connecting lock device according to an embodiment of the present invention;

FIG. 3 is an exploded view of a first connecting lock of the connecting shackle of the present invention;

FIG. 4 is a schematic structural diagram of a base of a first connecting lock of the connecting lock catch according to an embodiment of the present invention;

FIG. 5 is a schematic view of a handle of a first connecting lock of the connecting lock according to an embodiment of the present invention;

FIG. 6 is a structural diagram of the handle of the first connecting lock of the connecting lock catch according to another perspective of the present invention;

FIG. 7 is a schematic view of a structure of the first connecting lock of the connecting lock according to an embodiment of the present invention, wherein the first connecting lock is provided with an unlocking assembly and a hook;

FIG. 8 is a schematic view of a hook of the first connecting lock of the connecting lock according to an embodiment of the present invention;

FIG. 9 is a schematic view of a hook of the first connecting lock of the connecting lock according to an embodiment of the present invention;

fig. 10 is a schematic structural view of a second connecting lock of the connecting lock catch according to an embodiment of the invention.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

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

Referring to fig. 1, a schematic structural diagram of a connecting latch 10 according to an embodiment of the present invention is exemplarily shown, and the connecting latch 10 may be applied to splicing and fixing LED display units, so that a plurality of LED display units are spliced by the connecting latch 10 to form a large LED display screen. In the splicing process, the operation of connecting the lock catch 10 is convenient and fast, and single-hand operation can be realized.

As shown in fig. 1, the connecting latch 10 may include a first connecting lock 100 and a second connecting lock 200, the first connecting lock 100 and the second connecting lock 200 are respectively fixed on different LED display units, and the first connecting lock 100 and the second connecting lock 200 are detachably fixed, so that when the first connecting lock 100 and the second connecting lock 200 are fixed, the two LED display units are spliced and fixed, and when the first connecting lock is separated from the second connecting lock 200, the two LED display units are not spliced.

Referring to fig. 2 and 3, the first connecting lock 100 may include a base 110, a handle 120, a hook 130, an unlocking assembly 140 and a hook 150, the base 110 is used to fix the first connecting lock 100 on the LED display unit, the handle 120 is rotatably connected to the base 110, the hook 150 is fixed to the handle 120 and is used to be fixedly clamped with the second connecting lock 200, when the handle 120 rotates relative to the base 110, the hook 150 may adjust the posture so that the hook 150 is clamped to the second connecting lock 200, the base 110 is provided with a clamping position 110a, the hook 130 is arranged on the handle 120 and is rotatably connected to the handle 120, the unlocking assembly 140 is in transmission connection with the hook 130, in a natural state, the hook 130 is clamped to the clamping position 110a, when an external force acts on the unlocking assembly 140, the hook 130 rotates relative to the handle 120 and is separated from the clamping position 110a during the rotation, when the hook 150 is clamped to the second connecting lock 200 and the hook 130 is clamped to the clamping position 110a, the first connecting lock 100 and the second connecting lock 200 are mutually spliced and fixed and realize self-locking.

Referring to fig. 4, the base 110 may include a bottom plate 111 and a rotating plate 112, the rotating plate 112 is fixedly connected to the bottom plate 111, and the base 110 is fixed on the LED display unit through the bottom plate 111. For example, the base plate 111 may be provided with a plurality of recesses through which fasteners such as screws may pass to fix the base plate 111 to the LED display unit, and thus, the base 110 is fixed to the LED display unit. The rotating plate 112 includes a first end 1121 and a second end 1123 disposed opposite to each other, wherein the first end 1121 is an end close to the second connecting lock 200, the second end 1123 is an end away from the second connecting lock 200, and the fastening position 110a is disposed at the second end 1123 of the rotating plate 112. For example, the second end 1123 of the rotating plate 112 may extend outward to form a protrusion 113, thereby forming a snap location 110a between the protrusion 113 and the rotating plate 112. In the illustrated embodiment, the protrusion 113 has a wedge shape, and it is understood that in other embodiments, the protrusion 113 may have other shapes as long as the protrusion 113 forms a step difference with the edge of the second end 1123 of the rotating plate 112 to form the locking position 110 a.

The handle 120 may be pivotally attached to the swivel plate 112. For example, the first connecting lock 100 may further include a first rotating shaft 160, the rotating plate 112 may be provided with a first through hole 112a, the first rotating shaft 160 passes through the first through hole 112a, and the handle 120 is fixedly connected to the first rotating shaft 160, so that the handle 120 can rotate around the first rotating shaft 160 relative to the base 110, thereby driving the hook 150 to rotate, and enabling the hook 150 to be clamped to the second connecting lock 200 or to be separated from the second connecting lock 200. The first through hole 112a may be disposed at the first end 1121 of the rotating plate 112, so that when the handle 120 is rotated, the hook 130 fixed on the handle 120 can be engaged with or disengaged from the fastening position 110a of the second end 1123. The rotating plate 112 may further have a recessed portion 112b, and the recessed portion 112b is disposed between the first through hole 112a and the fastening portion 110a to provide an accommodating space for the rotation of the handle 120, so as to reduce the moving space required by the handle 120 during the rotation, and facilitate the operation of the first connecting lock 100 in a small range.

The base 110 may further include a docking plate 114, the docking plate 114 is fixedly connected to the bottom plate 111 and fixedly connected to the rotating plate 112, and is disposed at an end of the base 110 close to the second connecting lock 200 for docking with the second connecting lock 200. An end surface of the butt plate 114 facing away from the rotating plate 112 may be provided with an alignment protrusion 1141, and the second connecting lock 200 is provided with a corresponding alignment structure corresponding to the alignment protrusion 1141, so as to achieve alignment of the first connecting lock 100 and the second connecting lock 200.

Referring to fig. 5 and 6, the handle 120 may include a holding portion 121 and a rotating portion 123, the holding portion 121 is used for being held by a human hand to operate the handle 120, and the rotating portion 123 is fixedly connected to the holding portion 121 and rotatably connected to the rotating plate 112. For example, two lugs 1231 are disposed at an end of the rotating portion 123 away from the holding portion 121, and a through groove 123a is formed between the two lugs 1231, and the two lugs 1231 are respectively and fixedly connected to two ends of the first rotating shaft 160, so that the rotating plate 112 is partially received in the through groove 123 a. Specifically, the lug 1231 may be provided with a second through hole 123b, and two ends of the first rotating shaft 160 extend into the second through hole 123b and are fixedly connected to the holding portion 121 of the handle 120, so that the handle 120 can rotate around the first rotating shaft 160.

The handle 120 may further include a receiving groove 125, and the hook 130 may be received in the receiving groove 125 and may rotate relative to the wall of the receiving groove 125. For example, a groove or a through hole 123d may be disposed on a groove wall of the receiving groove 125, so that the hook 130 is rotatably connected to the groove wall of the receiving groove 125. When the handle 120 is rotated, the second end 1123 of the rotating plate 112 can enter the receiving groove 125, so that the fastening position 110a enters the receiving groove 125 to fasten with the fastening hook 130.

The handle 120 may further include a communicating groove 127, the accommodating groove 125 communicates with the outside through the communicating groove 127, and the unlocking assembly 140 enters the accommodating groove 125 through the communicating groove 127 and is in transmission connection with the hook 130. The unlocking assembly 140 may be at least partially exposed to the communication groove 127 to be easily touched, so as to control the hook 130. In the illustrated embodiment, the communication groove 127 is disposed at the boundary between the holding portion 121 and the rotating portion 123, so as to facilitate the operation of the unlocking assembly 140 when the hand holds the holding portion 121.

Referring to fig. 7 and 8, the hook 130 may include a holding portion 131, a connecting portion 133 and an unlocking portion 135, the holding portion 131 is connected to the unlocking portion 135 through the connecting portion 133, and the holding portion 131 is provided with a barb, so that the holding portion 131 can be engaged with the fastening position 110a to fix the handle 120 relative to the base 110. The first connecting lock 100 further includes a second rotating shaft 170, and the hook 130 is fixed on the wall of the accommodating groove 125 through the second rotating shaft 170 and can rotate around the second rotating shaft 170. The unlocking assembly 140 is connected to the unlocking portion 135 in a transmission manner, and when an external force acts on the unlocking assembly 140, the unlocking assembly 140 pushes the unlocking portion 135 to move, and the hook 130 rotates around the second rotating shaft 170, so that the clamping portion 131 moves to be disengaged from the clamping position 110 a. When the external force is removed, the hook 130 is reset and is clamped on the clamping position 110 a. It is understood that the second shaft 170 may also be integrally formed with the hook 130, and the hook 130 and the second shaft 170 rotate together.

In one or more embodiments, in order to facilitate the engagement and disengagement of the hook 130 with the hook position 110a during the movement process, the hook 130 may have an arc shape. It is understood that the shape of the hook 130 may not be an arc, and may be a straight plate or other curved surface.

In one or more embodiments, the unlocking portion 135 is provided with two extending protrusions 135, the two extending protrusions 135 are spaced apart from each other and form a through groove 135a between the two extending protrusions 135, the extending protrusions 135 are provided with sliding holes 135b, the unlocking assembly 140 is slidably connected to the unlocking portion 135 and can slide in the sliding holes 135b and the through groove 135a, and during the sliding process, the hook 130 rotates around the second rotating shaft 170.

Referring to fig. 7, the unlocking assembly 140 may include a connecting member 141, and one end of the connecting member 141 near the hook 130 is connected to the hook 130 in a transmission manner. For example, one end of the connecting member 141 close to the hook 130 is inserted into the sliding hole 135b of the extending protrusion 135 and slidably connected to the unlocking portion 135, so that when an external force acts on the connecting member 141, the rotating of the hook 130 can be driven by the transmission action of the connecting member 141. In a specific embodiment, the connecting member 141 may include a rod portion 1411 and a branch portion 1413, wherein the branch portion 1413 is fixedly connected to the rod portion 1411, is disposed at two opposite sides of the rod portion 1411, and extends into the sliding hole 135b of the extending protrusion 135 from the two opposite sides of the rod portion 1411. Therefore, when an external force acts on the rod portion 1411, the rod portion 1411 pushes the branch portion 1413 to slide in the sliding hole 135b, and the branch portion 1413 gives a centripetal force to the unlocking portion 135 in the process of sliding along the sliding hole 135b, so that the unlocking portion 135 has a tendency to rotate, thereby urging the hook 130 to rotate around the second rotating shaft 170, and moving the clamping portion 131 in a direction away from the clamping position 110a, so as to disengage from the clamping position 110 a. Stem 1411 and branch 1413 can be integrally formed; the two support portions 1413 may be integrally connected, and the support portion 1413 may be inserted into the rod portion 1411 as long as the rod portion 1411 can move the support portion 1413 together. Stem 1411 can be perpendicular to leg 1413 such that force can be better transmitted from stem 1411 to leg 1413. Of course, other angles are possible.

The unlocking assembly 140 may further include a button 143, and the button 143 is fixed to an end of the connecting member 141 away from the hook 130 and at least partially exposed from the handle 120. For example, the button 143 may be sleeved on an end of the stem 1411 away from the branch 1413. Thus, a force can be applied to the connection member 141 through the button 143.

The unlocking assembly 140 may further include an elastic member 145, one end of the elastic member 145 is fixedly connected to the button 143, and the other end of the elastic member 145 can abut against the hook 130 when the button 143 is pressed. Through setting up elastic component 145, can strengthen the feedback of pressing of button 143, avoid the effort direct action of trip 130 to arouse the discomfort in the staff simultaneously, strengthen the use and experience.

Referring to fig. 3 and 9, the hook 150 may be rotatably coupled to the handle 120. For example, the first connecting lock 100 may further include a third rotating shaft 180, the rotating portion 123 of the handle 120 is provided with a rotating hole 123c corresponding to the third rotating shaft 180, a portion of the third rotating shaft 180 is accommodated in the rotating hole 123c, two ends of the third rotating shaft 180 are exposed out of the rotating hole 123c, the hook 150 is fixedly connected to the third rotating shaft 180, and when the third rotating shaft 180 rotates, the hook 150 is driven to rotate relative to the handle 120. For example, the third rotating shaft 180 may be provided with fixing holes 181 at both ends thereof, and the hook 150 is a U-shaped hook and passes through the fixing holes 181 at both ends of the third rotating shaft 180, i.e., may be fixed by nuts.

In one or more embodiments, the first coupling lock 100 may further include a hook and loop piece 190, and the hook and loop piece 190 may be sleeved on the hook 150. For example, the hook 150 is fixed by a nut after passing through the fixing hole 181, and the hook pulling piece 190 may be disposed between the nut and the third rotating shaft 180. By arranging the hook shifting piece 190, the third rotating shaft 180 can be driven to rotate by the hook shifting piece 190, and further the hook 150 is driven to rotate, so that the first connecting lock 100 and the second connecting lock 200 can be fixed conveniently; and, the hook 150 is controlled to rotate by the hook shifting piece 190, which greatly facilitates the single-hand operation of the first connecting lock 100, so that the three actions of rotating the handle 120, connecting and releasing the clamping between the hook 130 and the clamping position 110a and rotating the hook 150 can be realized by the same hand at the same time, and the single-hand operation of the first connecting lock 100 is greatly facilitated.

Referring to fig. 10, the second connecting lock 200 may include a substrate 210 and a locking block 220, the substrate 210 is fixed on the LED display unit, the locking block 220 is fixedly connected to the substrate 210, and a clamping groove 221 is disposed at an end of the locking block 220 away from the first connecting lock 100 for clamping with the hook 150. When the handle 120 rotates relative to the base 110, the hook 150 is driven to rotate by the hook shifting piece 190, the orientation of the hook 150 can be adjusted, the hook 150 is located at a preset position, and when the hook 130 is clamped at the clamping position 110a, the hook 150 is clamped in the clamping groove 221, so that the first connecting lock 100 and the second connecting lock 200 are fixed, and further, the LED display unit fixed with the first connecting lock 100 and the LED display unit fixed with the second connecting lock 200 are spliced.

The locking block 220 may further have an aligning groove 223 at an end thereof adjacent to the first connector lock 100, and when the first connector lock 100 is fixed to the second connector lock 200, the aligning protrusion 1141 of the docking plate 114 is inserted into the aligning groove 223. Through the cooperation of counterpoint arch 1141 and counterpoint groove 223, can be so that have better roughness between two LED display element of concatenation each other.

When the connecting lock catch 10 is used, the first connecting lock 100 and the second connecting lock 200 are respectively fixed on two different LED display units, and then the handle 120 is rotated, and the hook 150 is adjusted by dialing the hook dialing piece 190, so that the hook 150 is clamped into the clamping groove 221 of the second connecting lock 200; the handle 120 is pressed down to move towards the direction close to the base 110, the two LED display units are close to each other under the pulling of the hook 150, the alignment protrusion 1141 is embedded into the alignment groove 223 in the pressing process of the handle 120, so that the two LED display units can have better flatness, when the second end 1123 of the rotating plate 112 enters the accommodating groove 125, the button 143 is pressed to drive the hook 130 to rotate, when the handle 120 is pressed to the lowest position, the button 143 is released, the hook 130 is adjusted back, so that the hook 130 hooks the buckle position 110a, and the splicing of the two LED display units is completed. It can be appreciated that the two LED display units can be un-spliced by directionally operating the above process.

The connecting lock catch 10 can fix the first connecting lock 100 and the second connecting lock 200 by fixing the hook 150 on the handle 120 of the first connecting lock 100, so that when the first connecting lock 100 and the second connecting lock 200 are respectively fixed on different LED display units, the two LED display units can be spliced and fixed. The handle 120 is rotatably connected to the base 110, the hook 150 is driven to rotate when the handle 120 rotates, the hook 130 is arranged on the handle 120 and rotatably connected with the handle 120, and the first connecting lock 100 can be locked by the hook 130 and the buckle position 110a on the base 110, so that the hook 150 is fixed and the tight splicing is maintained. The unlocking assembly 140 is arranged to realize linkage of the unlocking assembly 140 and the hook 130, so that the unlocking assembly 140 can move relative to the hook 130 only by pressing the unlocking assembly 140, the hook 130 is further pushed to rotate, the hook 130 is separated from the clamping with the buckle position 110a when rotating, one-key unlocking is realized, operation of connecting the lock catch 10 is greatly simplified, and the operation convenience is improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a connecting lock catch, includes first connecting lock and second connecting lock, first connecting lock reaches the second connecting lock is fixed in respectively on the LED display element of difference for it is fixed to realize the concatenation of two LED display elements, first connecting lock with second connecting lock detachable is fixed, its characterized in that, first connecting lock includes:

the handle is rotatably connected to the base;

the unlocking assembly is in transmission connection with the clamping hook, when external force acts on the unlocking assembly, the clamping hook rotates relative to the handle and is separated from the clamping of the clamping hook in the rotating process; when the hook is clamped in the second connecting lock and the clamping hook is clamped in the clamping position, the first connecting lock and the second connecting lock are spliced and fixed with each other and self-locking is realized;

the handle is provided with an accommodating groove, the clamping hook is accommodated in the accommodating groove and is rotatably connected to the groove wall of the accommodating groove, and when the handle rotates, the clamping hook can enter the accommodating groove to be clamped with the clamping hook; the handle is also provided with a communicating groove, the accommodating groove is communicated with the outside through the communicating groove, and the unlocking assembly penetrates through the communicating groove to enter the accommodating groove and is in transmission connection with the clamping hook; the clamping hook comprises a clamping part, a connecting part and an unlocking part, the clamping part is connected with the unlocking part through the connecting part, the clamping part is used for clamping with the clamping position, the first connecting lock further comprises a second rotating shaft, the clamping hook is fixed on the groove wall of the accommodating groove through the second rotating shaft, and the unlocking component is in transmission connection with the unlocking part; when external force acts on the unlocking assembly, the unlocking assembly pushes the unlocking part to move, the clamping hook rotates around the second rotating shaft, and the clamping part moves to be separated from the clamping position; when the external force is removed, the clamping hook resets and is clamped at the clamping position; the unlocking part is provided with two extending protrusions, the two extending protrusions are arranged at intervals, a through groove is formed between the two extending protrusions, sliding holes are formed in the extending protrusions, the unlocking assembly can slide in the sliding holes, and the clamping hook rotates around the second rotating shaft in the sliding process; the unlocking assembly comprises a connecting piece, the connecting piece comprises a rod part and a branch part, and the branch part is fixedly connected to the rod part and arranged on two opposite sides of the rod part, and extends into the sliding holes from two opposite sides of the rod part.

2. The connecting lock as claimed in claim 1, wherein the base includes a bottom plate and a rotating plate, the rotating plate is fixedly connected to the bottom plate, the base is fixed to the LED display unit through the bottom plate, and the locking position is disposed at an end of the rotating plate away from the second connecting lock.

3. The connector lock according to claim 1, wherein the base further comprises a docking plate disposed at an end of the base adjacent to the second connector lock, the docking plate having an alignment protrusion disposed thereon;

4. The connector clip of claim 1 wherein said hook is pivotally connected to said handle.

5. The connector lock of claim 4, wherein the first connector lock further comprises a hook plate, and the hook plate is sleeved on the hook to drive the hook to rotate through the hook plate.