阅读说明：本技术 一种led租赁显示屏装卸用快速锁 (Quick lock for assembling and disassembling LED (light emitting diode) rental display screen ) 是由 王洋辉 黄敏 于 2021-09-23 设计创作，主要内容包括：本发明公开了一种LED租赁显示屏装卸用快速锁,包括上箱体、下箱体、锁壳和把手装置,上箱体处于下箱体的上方,所述把手装置安装在下箱体的固定板底面上,把手装置中安装有锁芯,锁芯的顶部伸出下箱体的固定板的中部通孔的顶面,锁芯的顶端为锥形壁面,锁芯的顶部外侧壁上成型有环形卡槽；它使得LED显示屏租赁产品堆装和吊装时,都能实现拆装单人拆装,它采用两个夹持板的弧形卡槽中插入锁芯顶部,弧形卡槽的内侧边部伸入锁芯顶部的环形卡槽中,使得环形卡槽的整个环形槽均受力限位,使得其受力均匀,不会出现锁紧后箱体左右偏移。(The invention discloses a quick lock for assembling and disassembling an LED (light emitting diode) rental display screen, which comprises an upper box body, a lower box body, a lock shell and a handle device, wherein the upper box body is positioned above the lower box body; when it makes LED display screen lease product pile dress and hoist and mount, can both realize the single dismouting of dismouting, insert the lock core top in the arc draw-in groove of its two grip blocks, during the inside limit portion of arc draw-in groove stretched into the ring groove at lock core top for ring groove's the equal atress of whole ring groove is spacing, makes its atress even, and skew about the box after can not appearing locking.)

1. The utility model provides a quick lock is used in loading and unloading of LED lease display screen, includes box (10), lower box (20), lock shell (30) and handle device (40), goes up box (10) and is in the top of box (20) down, its characterized in that: the handle device (40) is arranged on the bottom surface of a fixing plate of the lower box body (20), a lock cylinder (41) is arranged in the handle device (40), the top of the lock cylinder (41) extends out of the top surface of a through hole in the middle of the fixing plate of the lower box body (20), the top end of the lock cylinder (41) is a conical wall surface, and an annular clamping groove (42) is formed in the outer side wall of the top of the lock cylinder (41);

the lock shell (30) is fixed on the top surface of a fixing plate of an upper box body (10), a telescopic through groove (31) is formed in the middle of the lower wall surface of a left side plate of the lock shell (30), a vertical part (51) of a Y-shaped sliding block (50) is inserted and sleeved in the telescopic through groove (31), a bolt sliding groove (32) is formed in the bottom surface of the middle of the left part of an upper wall plate of the lock shell (30) corresponding to the telescopic through groove (31), a guide sliding groove (33) is formed in the middle of the top surface of the bolt sliding groove (32), a slope wall surface (34) is formed on the top surface of the right side of the guide sliding groove (33), a bolt (60) is inserted and sleeved in the bolt sliding groove (32), a stepped central through hole (61) with a small bottom aperture and a large top aperture is formed in the middle of the bolt (60), a thimble seat (62) is inserted and sleeved in the central through hole (61), a spherical top surface slope wall surface (34) of a top plate of the thimble seat (62), a first buffer spring (63) and a thimble (64) are inserted and sleeved in the thimble seat (62), the top end of the first buffer spring (63) is forced on the bottom surface of the top plate of the top needle seat (62), the top of the ejector pin (64) is pressed on the bottom end of the first buffer spring (63), a radial extension part (641) is formed on the outer side wall of the top of the ejector pin (64), the bottom surface of the radial extension part (641) is pressed on the top surface of the bottom plate of the top needle seat (62), the bottom of the ejector pin (64) extends out of a central through hole of the bottom plate of the top needle seat (62), the right end of the lock tongue (60) extends out of the right end of the lock tongue sliding groove (32), and the bottom of the ejector pin (64) is inserted and sleeved in a positioning guide groove (511) formed in the middle part of the right side of the vertical part (51) of the Y-shaped sliding block (50);

the bottom surfaces of the front part and the rear part of the top plate of the lock shell (30) are respectively formed with a transverse sliding groove (35), a sliding sleeve part (70) is inserted in the corresponding transverse sliding groove (35), a return spring (71) is inserted in the sliding sleeve part (70), one end of the return spring (71) is stressed on the inner side wall of the outer side end of the transverse sliding groove (35), the other end of the return spring (71) is stressed on the inner end surface of the sliding sleeve part (70), clamping plates (72) are respectively formed on the bottom surface of the sliding sleeve part (70), arc-shaped clamping grooves (73) are formed in the middles of the opposite wall surfaces of the two clamping plates (72), and the annular clamping grooves (42) correspond to the two arc-shaped clamping grooves (73);

and the telescopic vertical parts (52) formed at the right ends of the two inclined arm parts at the right part of the Y-shaped sliding block (50) are positioned between the two sliding sleeve parts (70), and the outer side walls of the telescopic vertical parts (52) are tightly attached to the spherical end surfaces of the corresponding sliding sleeve parts (70).

2. The quick lock for assembling and disassembling the LED rental display screen of claim 1, wherein: the front part and the rear part of the left part of the upper wall plate of the lock shell (30) are both provided with limiting guide parts (36), and the two telescopic vertical parts (52) correspond to the two limiting guide parts (36).

3. The quick lock for assembling and disassembling the LED rental display screen of claim 1, wherein: extension parts (351) are formed on the bottom surfaces of the left side wall plate and the right side wall plate at the position of the transverse sliding groove (35), the outer side wall of the telescopic vertical part (52) is close to the inner end wall surfaces of the two corresponding extension parts (351), and an extension guide part (521) with an outer wall surface being an inclined wall surface is formed at the right end of the telescopic vertical part (52).

4. The quick lock for assembling and disassembling the LED rental display screen of claim 1, wherein: a lock cylinder through hole (37) is formed in the middle of a top plate of the lock shell (30) between the two transverse sliding grooves (35), the lock cylinder through hole (37) is vertically aligned with and corresponds to the top of the lock cylinder (41), and the lock cylinder through hole (37) is vertically aligned with and corresponds to a connecting through hole (11) formed in the middle of a fixing plate of the upper box body (10).

5. The quick lock for assembling and disassembling the LED rental display screen of claim 1, wherein: the middle of the left side wall of the lock bolt (60) is provided with a mounting hole (66), a second buffer spring (67) is inserted in the mounting hole (66), the right end of the second buffer spring (67) is forced on the right end face of the mounting hole (66), and the left end of the second buffer spring (67) is opposite to the inner wall face of the left side plate of the lock shell (30).

6. The quick lock for assembling and disassembling the LED rental display screen of claim 1, wherein: an outer annular groove (621) is formed in the outer side wall of the bottom face of the thimble seat (62), an outer buffer spring (622) is inserted in the outer annular groove (621), the top end of the outer buffer spring (622) is forced on the top face of the outer annular groove (621), the bottom end of the outer buffer spring (622) is forced on the bottom end face of the top large-aperture through hole section of the central through hole (61), and the bottom of the thimble (64) extends out of the bottom small-aperture through hole section of the central through hole (61).

7. The quick lock for assembling and disassembling the LED rental display screen of claim 1, wherein: the left end of the vertical part (51) of the Y-shaped sliding block (50) extends out of the telescopic through groove (31) and is formed with a pushing part (59).

8. The quick lock for assembling and disassembling the LED rental display screen of claim 1, wherein: handle device (40) are including handle seat (43), handle seat (43) are fixed on the bottom surface of the fixed plate of box (20) down, the middle part shaping of handle seat (43) has spiro union through-hole (44) that run through from top to bottom, handle (45) are in the below of handle seat (43), the spiro union cover portion (46) spiro union that the top shaping of handle (45) has is in spiro union through-hole (44), the middle part of spiro union cover portion (46) of handle (45) is fixed with lock core (41), spiro union cover portion (46) and spiro union through-hole (44) are stretched out at the top of lock core (41).

The technical field is as follows:

the invention relates to the technical field of seat parts, in particular to a quick lock for assembling and disassembling an LED rental display screen.

Background art:

the installation of the LED rental display screen tends to be operated by one person, and no single detachable and installable quick lock capable of realizing hoisting and stacking at the same time exists in the industry at present.

Most of the traditional quick locks can be disassembled and assembled by a single person during hoisting, but the unlocking switch at one end needs to be pressed by a person during stacking, and the box body can be disassembled by another person; two sets of quick locks are arranged on one box body, only one lock plate is arranged on one common quick lock at present, the single side of the lock plate is not a semicircular stress surface, the lock is easy to be eccentric, the two sets of locks are stressed unevenly successively when the upper box body and the lower box body are locked, and the left box body and the right box body are irregularly deviated after being locked.

The invention content is as follows:

the invention aims to overcome the defects of the prior art and provides a quick lock for assembling and disassembling an LED rental display screen, which can realize the assembly and disassembly of a single person when LED display screen rental products are stacked and hoisted.

The scheme for solving the technical problems is as follows:

a quick lock for assembling and disassembling an LED (light emitting diode) rental display screen comprises an upper box body, a lower box body, a lock shell and a handle device, wherein the upper box body is positioned above the lower box body;

the lock shell is fixed on the top surface of a fixing plate of the upper box body, a telescopic through groove is formed in the middle of the lower wall surface of a left side plate of the lock shell, a vertical part of a Y-shaped sliding block is inserted and sleeved in the telescopic through groove, a spring bolt sliding groove is formed in the bottom surface of the left part of an upper wall plate of the lock shell corresponding to the telescopic through groove, a guide sliding groove is formed in the middle of the top surface of the spring bolt sliding groove, a slope wall surface is formed on the top surface of the right side of the guide sliding groove, the spring bolt is inserted and sleeved in the spring bolt sliding groove, a stepped central through hole with a small bottom aperture and a large top aperture is formed in the middle of the spring bolt, a thimble seat is inserted and sleeved in the central through hole, the spherical top surface of a top plate of the thimble seat is pressed on the slope wall surface, a first buffer spring and a thimble are inserted and sleeved in the thimble seat, the top end of the first buffer spring is pressed on the bottom surface of the thimble, and a radial extending part is formed on the outer side wall of the top of the thimble, the bottom surface of the radial extension part is pressed against the top surface of the bottom plate of the thimble seat, the bottom of the thimble extends out of the central through hole of the bottom plate of the thimble seat, the right end of the lock tongue extends out of the right end of the lock tongue sliding groove, and the bottom of the thimble is inserted and sleeved in a positioning guide groove formed in the middle part of the right side of the vertical part of the Y-shaped sliding block;

the bottom surfaces of the front part and the rear part of the top plate of the lock shell are respectively formed with a transverse sliding chute, the sliding sleeve part is inserted in the corresponding transverse sliding chute, a return spring is inserted in the sliding sleeve part, one end of the return spring is acted on the inner side wall of the outer side end of the transverse sliding chute, the other end of the return spring is acted on the inner end surface of the sliding sleeve part, the bottom surface of the sliding sleeve part is respectively formed with a clamping plate, the middle parts of the opposite wall surfaces of the two clamping plates are respectively formed with an arc-shaped clamping groove, and the annular clamping grooves correspond to the two arc-shaped clamping grooves;

and the outer side wall of the telescopic vertical part is tightly attached to the spherical end surface of the corresponding sliding sleeve part.

The front part and the rear part bottom surface of the left part of the upper wall plate of the lock shell are both formed with limiting guide parts, and the two telescopic vertical parts correspond to the two limiting guide parts.

The bottom surface shaping of the left and right sides wall board of horizontal spout department has the extension, and the lateral wall of flexible vertical portion is close to the inner wall surface of two extension that correspond, and the right-hand member shaping of flexible vertical portion has the extension direction portion that the outer wall surface is the slant wall surface.

And a lock cylinder through hole is formed in the middle of the lock shell top plate between the two transverse sliding grooves, is vertically aligned with and corresponds to the top of the lock cylinder, and is vertically aligned with and corresponds to a connecting through hole in the middle of a fixing plate of the upper box body.

The middle of the left side wall of the lock tongue is provided with a mounting hole, the second buffer spring is inserted in the mounting hole, the right end of the second buffer spring is forced on the right end face of the mounting hole, and the left end of the second buffer spring is forced on the inner wall face of the left side plate of the lock shell.

An outer annular groove is formed in the outer side wall of the bottom surface of the thimble seat, an outer buffer spring is inserted in the outer annular groove, the top end of the outer buffer spring is stressed on the top surface of the outer annular groove, the bottom end of the outer buffer spring is stressed on the bottom end surface of the top large-aperture through hole section of the central through hole, and the bottom of the thimble extends out of the bottom small-aperture through hole section of the central through hole.

The left end of the vertical part of the Y-shaped sliding block extends out of the telescopic through groove and is formed with a pushing part.

The handle device comprises a handle seat, the handle seat is fixed on the bottom surface of a fixing plate of the lower box body, a bolt joint through hole which penetrates through the handle seat from top to bottom is formed in the middle of the handle seat, the handle is located below the handle seat, a bolt joint sleeve part bolt joint formed in the top of the handle is arranged in the bolt joint through hole, a lock cylinder is fixed in the middle of the bolt joint sleeve part of the handle, and the bolt joint sleeve part and the bolt joint through hole are extended out of the top of the lock cylinder.

The invention has the following outstanding effects:

compared with the prior art, when it makes LED display screen lease product pile dress and hoist and mount, can both realize the single dismouting of dismouting, insert the lock core top in the arc draw-in groove of its two grip blocks, during the inboard limit portion of arc draw-in groove stretched into the ring groove at lock core top for ring groove's the equal atress of whole ring channel is spacing, makes its atress even, and skew about the locking back box can not appear.

Description of the drawings:

FIG. 1 is a partial schematic view of the unlocked state of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a partial schematic view of the locked state of the present invention;

FIG. 4 is a partial schematic view of the unlocked lock housing and the Y-shaped slide of the present invention;

FIG. 5 is a partial schematic view of the lock housing and the Y-shaped slide of the present invention in a locked position;

FIG. 6 is a partial schematic view of the lock housing;

FIG. 7 is a partial schematic view of a Y-shaped slider.

The specific implementation mode is as follows:

the present invention will be described in detail below with reference to the accompanying drawings and specific preferred embodiments so that the advantages and features of the present invention can be more readily understood by those skilled in the art, and these embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention.

In an embodiment, as shown in fig. 1 to 7, a quick lock for loading and unloading an LED rental display screen includes an upper case 10, a lower case 20, a lock case 30 and a handle device 40, wherein the upper case 10 is located above the lower case 20, the handle device 40 is mounted on a bottom surface of a fixing plate of the lower case 20, a lock cylinder 41 is mounted in the handle device 40, a top of the lock cylinder 41 extends out of a top surface of a through hole in the middle of the fixing plate of the lower case 20, a top end of the lock cylinder 41 is a tapered wall surface, and an annular clamping groove 42 is formed on an outer side wall of the top of the lock cylinder 41;

the lock case 30 is fixed on the top surface of the fixing plate of the upper case 10, a telescopic through groove 31 is formed in the middle of the lower wall surface of the left side plate of the lock case 30, a vertical part 51 of the Y-shaped slider 50 is inserted into the telescopic through groove 31, the Y-shaped slider 50 comprises a vertical part 51, oblique arm parts extending obliquely rightward are formed on the front side and the rear side of the right end of the vertical part 51, a telescopic vertical part 52 extending horizontally is formed on the right end of the oblique arm part, and an extension guide part 521, the outer wall surface of which is an oblique wall surface, is formed on the right end of the telescopic vertical part 52.

A bolt sliding groove 32 is formed in the bottom surface of the left part of the upper wall plate of the lock shell 30 corresponding to the telescopic through groove 31, a guide sliding groove 33 is formed in the middle of the top surface of the bolt sliding groove 32, a slope wall surface 34 is formed on the top surface of the right side of the guide sliding groove 33, the bolt 60 is inserted and sleeved in the bolt sliding groove 32, and the bottom surface of the bolt 60 is tightly attached to the top surface of the Y-shaped sliding block 50;

the middle part of the locking tongue 60 is provided with a stepped central through hole 61 with a small bottom aperture and a large top aperture, a thimble seat 62 is inserted and sleeved in the central through hole 61, the spherical top surface of the top plate of the thimble seat 62 extends out of the central through hole 61 of the thimble seat 62 and is pressed against the slope wall surface 34, the thimble seat 62 is inserted and sleeved with a first buffer spring 63 and a thimble 64, the top end of the first buffer spring 63 is forced against the bottom surface of the top plate of the thimble seat 62, the top of the thimble 64 is pressed against the bottom end of the first buffer spring 63, the outer side wall of the top of the thimble 64 is formed with a radial extension part 641, the bottom surface of the radial extension part 641 is pressed against the top surface of the bottom plate of the thimble seat 62, the bottom of the thimble 64 extends out of the central through hole of the bottom plate of the thimble seat 62, the right end of the lock tongue 60 extends out of the right end of the slide groove 32, and the bottom of the thimble 64 is inserted and sleeved in the positioning guide groove 511 formed in the middle part of the right side of the vertical part 51 of the Y-shaped slide block 50;

the bottom surfaces of the front part and the rear part of the top plate of the lock shell 30 are respectively provided with a transverse sliding chute 35, a sliding sleeve part 70 is inserted in the corresponding transverse sliding chute 35, a return spring 71 is inserted in the sliding sleeve part 70, one end of the return spring 71 is stressed on the inner side wall of the outer side end of the transverse sliding chute 35, the other end of the return spring 71 is stressed on the inner end surface of the sliding sleeve part 70, the bottom surfaces of the sliding sleeve parts 70 are respectively provided with a clamping plate 72, the middle parts of the opposite wall surfaces of the two clamping plates 72 are provided with arc-shaped clamping grooves 73, and the annular clamping grooves 42 correspond to the two arc-shaped clamping grooves 73;

the right ends of the two oblique arm parts at the right part of the Y-shaped slide block 50 are formed with telescopic vertical parts 52 between the two sliding sleeve parts 70, and the outer side walls of the telescopic vertical parts 52 are tightly attached to the spherical end surfaces of the corresponding sliding sleeve parts 70.

Furthermore, the front and rear bottom surfaces of the left part of the upper wall plate of the lock case 30 are formed with two limit guides 36, and the two vertical telescopic parts 52 correspond to the two limit guides 36.

Further, the bottom surfaces of the left and right side wall plates at the lateral sliding groove 35 are formed with extending portions 351, the outer side wall of the vertical telescopic portion 52 is close to the inner end wall surfaces of the corresponding two extending portions 351, and the right end of the vertical telescopic portion 52 is formed with an extending guide portion 521 whose outer wall surface is an oblique wall surface.

Further, a lock cylinder through hole 37 is formed in the middle of the top plate of the lock case 30 between the two transverse sliding grooves 35, the lock cylinder through hole 37 is aligned with and corresponds to the top of the lock cylinder 41, and the lock cylinder through hole 37 is aligned with and corresponds to the connecting through hole 11 formed in the middle of the fixing plate of the upper case 10.

Furthermore, a mounting hole 66 is formed in the middle of the left side wall of the latch bolt 60, a second buffer spring 67 is inserted into the mounting hole 66, the right end of the second buffer spring 67 is forced against the right end surface of the mounting hole 66, and the left end of the second buffer spring 67 is forced against the inner wall surface of the left side plate of the lock case 30.

Further, an outer annular groove 621 is formed on the outer side wall of the bottom surface of the thimble seat 62, the outer buffer spring 622 is inserted into the outer annular groove 621, the top end of the outer buffer spring 622 is forced on the top surface of the outer annular groove 621, the bottom end of the outer buffer spring 622 is forced on the bottom end surface of the top large-aperture through hole section of the central through hole 61, and the bottom of the thimble 64 extends out of the bottom small-aperture through hole section of the central through hole 61.

Further, the left end of the vertical part 51 of the Y-shaped slider 50 extends out of the telescopic through slot 31 and is formed with a pushing part 59.

Further, the handle device 40 includes a handle base 43, the handle base 43 is fixed on the bottom surface of the fixing plate of the lower box 20, a bolt through hole 44 penetrating vertically is formed in the middle of the handle base 43, the handle 45 is located below the handle base 43, a bolt sleeve portion 46 formed at the top of the handle 45 is bolt-connected in the bolt through hole 44, a lock cylinder 41 is fixed in the middle of the bolt sleeve portion 46 of the handle 45, and the top of the lock cylinder 41 extends out of the bolt sleeve portion 46 and the bolt through hole 44.

In the present embodiment, when the upper case 10 and the lower case 20 are assembled, as the plate surfaces of the fixing plates of the upper case 10 and the lower case 20 approach each other, the top of the lock cylinder 41 passes through the connecting through hole 11 and extends into the lock case 20, and the bottom surface of the right end of the latch tongue 60 is an inclined surface, the outer side wall of the top end of the lock cylinder 41 is pressed against the inclined surface, and as the top of the lock cylinder 41 pushes up, the latch tongue 60 moves leftward, the latch tongue 64 also moves leftward together, and as the latch tongue 64 moves leftward, the latch tongue 64 moves leftward along the positioning guide groove 511 until it presses against the left end surface of the positioning guide groove 511 and moves leftward, so as to move the Y-shaped slider 50 leftward, and as the outer side wall of the vertical telescopic portion 52 thereof disengages from the spherical end surface of the sliding sleeve portion 70, at this time, the inclined wall surface of the extending guide portion 521 presses against the spherical end surface of the sliding sleeve portion 70, and at this time, the elastic force of the return spring 71 is greater than the force of the inclined wall surface of the extending guide portion 521 pressing against the spherical end surface of the sliding sleeve portion 70, the two sliding sleeve parts 70 are close to each other, the extending guide part 521 is pushed leftwards, the Y-shaped slider 50 continues to move leftwards, the two clamping plates 72 of the two sliding sleeve parts 70 are close to each other, finally, the edge parts of the two arc-shaped clamping grooves 73 are inserted into the annular clamping groove 42, and the inner wall surfaces of the two arc-shaped clamping grooves 73 are pressed against the inner wall surface of the annular clamping groove 42, so that clamping and limiting are realized;

then the handle 45 is rotated to enable the handle seat 43 and the lower box body 20 to move upwards, so that the fixed plate of the upper box body 10 and the fixed plate of the lower box body 20 are drawn together and tightly attached together; at this time, the right end face of the latch tongue 60 is pressed by the top end side wall of the lock cylinder 41, the thimble seat 62 slides out of the slope wall surface 34 and reaches the junction of the top face of the guide chute 33 and the slope wall surface 34 due to the pressing of the outer buffer spring 622, the thimble 64 is separated from the positioning guide groove 511 of the Y-shaped slider 50, and the box body assembling process is completed. The top end of the key cylinder 41 at this time is inserted into the key cylinder through hole 37.

When hoisting and disassembling, only two hands are needed to hold the handle 45, the handle 45 is rotated to an unlocking state, the vertical part 51 of the Y-shaped sliding block 50 is rightwards stretched into the lock shell 10 by a thumb, the extending guide part 521 of the Y-shaped sliding block 50 moves rightwards, the pushing force of the pushing force is greater than the elastic force of the return spring 71, so that the two sliding sleeve parts 70 are outwards pushed, the two sliding sleeve parts 70 are far away from each other, the two clamping plates 72 are far away from each other, the edge parts of the two arc-shaped clamping grooves 73 are separated from the annular clamping groove 42, the lower box body 20 can be separated downwards at the moment, and the box body disassembling process is completed.

When the stacking and dismounting are carried out, the stacking and dismounting are basically the same as the hoisting and dismounting, but at the end, the holding part of the upper box body 10 is held by both hands, the upper box body 10 is upwards separated, and the box body dismounting process is completed.

The above embodiments are only for illustrating the invention and are not to be construed as limiting the invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention, therefore, all equivalent technical solutions also belong to the scope of the invention, and the scope of the invention is defined by the claims.