Hasp lock

Abstract

The embodiment of the utility model provides a hasp lock which comprises a base, a hand screw, a sliding block and a lock hook, and the base is provided with a sliding groove. The hand screw is arranged on the base in a penetrating mode and comprises a lead screw and a hand screw head connected to the end of the lead screw, and the end, away from the hand screw head, of the lead screw extends into the sliding groove. The sliding block is arranged in the sliding groove and is in threaded connection with the end, away from the hand screwing head, of the lead screw. The lock hook penetrates through the end part of the base and is fixedly connected with the sliding block; the sliding block can slide in the sliding groove by rotating the hand screwing head, and then the lock hook is driven to slide. In the embodiment of the utility model, the sliding block slides in the sliding chute by rotating the hand screwing head, and then the lock hook is driven to slide, so that the lock hook is connected with the lock groove of the lock seat on the other display screen, the reliable hand screwing type locking / unlocking mode can avoid mistaken unlocking, and the connection between the two display screens is more reliable.

Description

Technical Field

[0001] The utility model relates to the technical field of LEDs, in particular to a hasp lock. Background Art

[0002] When splicing large-scale LED displays, a snap lock is commonly used. It's typically fixed to one display frame, with a base mounted on the opposite display frame. The snap lock's hook removably connects to the base's locking groove, allowing the two displays to be spliced ​​together. Currently, snap locks often use a push-button locking mechanism, which can be prone to misoperation, causing the lock to mislock and affect the connection between the two displays. Utility Model Content

[0003] In view of the above problems, embodiments of the present invention are proposed to provide a hasp lock that solves the above problems or at least partially solves the above problems.

[0004] The present invention provides a hasp lock, which includes:

[0005] A base having a slide groove;

[0006] A hand screw is provided on the base, comprising a lead screw and a hand screw head connected to the end of the lead screw, wherein the end of the lead screw away from the hand screw head extends into the slide groove;

[0007] A slider is disposed in the slide groove and is threadedly connected to the end of the lead screw away from the hand screw head;

[0008] a locking hook passing through an end portion of the base and fixedly connected to the slider;

[0009] The slider can be made to slide in the slide groove by rotating the hand-tightening head, thereby driving the lock hook to slide.

[0010] Furthermore, the locking hook includes a U-shaped pull rod, and limiting holes are respectively provided on the opposite groove walls of the sliding groove. Both ends of the U-shaped pull rod pass through the limiting holes and are fixedly connected to the slider.

[0011] Furthermore, it further comprises a rotating shaft, which is provided on the limiting hole and the slider and can rotate relative to the base and the slider;

[0012] Wherein, both ends of the U-shaped pull rod are fixedly connected to the rotating shafts on both sides of the base.

[0013] Furthermore, the limiting hole is a runway-shaped long hole along the sliding direction of the slider.

[0014] Furthermore, a return spring is included, the slider is provided with a groove for accommodating the return spring, and the rotating shaft passes through the groove;

[0015] A first rod is provided at the end of the groove away from the U-shaped pull rod, and a second rod is provided on the side of the rotating shaft in the groove away from the first rod. Both ends of the reset spring are respectively connected to the first rod and the second rod.

[0016] Furthermore, the return spring is located above the rotating shaft and the lead screw respectively.

[0017] Furthermore, a wrench is included, which is arranged at the end of the base facing the hand-tightening head, and the wrench is fixedly connected to the screw.

[0018] Furthermore, a magnet for magnetic attraction with the wrench is provided at the end of the base facing the hand screw head.

[0019] Furthermore, it also includes a limit screw, which is passed through the base and abuts against the lead screw.

[0020] Furthermore, a positioning protrusion is provided on the end of the base away from the hand screw head.

[0021] In the technical solution provided by the embodiment of the present utility model, the base on a display screen has a slide groove, and the hand screw passed through the base includes a lead screw and a hand head connected to the end of the lead screw, the end of the lead screw away from the hand head extends into the slide groove, the slider is arranged in the slide groove and is threadedly connected to the end of the lead screw away from the hand head, the lock hook passes through the end of the base and is fixedly connected to the slider, and the slider is slid in the slide groove by rotating the hand head, thereby driving the lock hook to slide, so that it is connected to the lock groove of the lock seat on the other display screen. This reliable hand-tightening locking / unlocking method can avoid mis-locking and make the connection between the two display screens more reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0023] Figure 1 An exploded schematic diagram of a three-dimensional structure of a hasp lock provided by an embodiment of the present utility model;

[0024] Figure 2 A schematic diagram of a three-dimensional structure of a hasp lock provided by an embodiment of the present utility model;

[0025] Figure 3 This is an exploded schematic diagram of a three-dimensional structure of a hasp lock and a lock base provided by an embodiment of the utility model when connected;

[0026] Figure 4 The present invention is a three-dimensional structural diagram of a hasp lock and a lock base provided by an embodiment of the present invention when connected. DETAILED DESCRIPTION

[0027] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the embodiments of the present invention.

[0028] It should be noted that, in the description of the present invention, if the terms "first", "second", etc. appear, "first" and "second" are only used to facilitate the description of different components or names, and cannot be understood as indicating or implying a sequential relationship, relative importance, or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" appears in the full text, its meaning is to include three parallel solutions. Taking "A and / or B as an example", it includes solution A, or solution B, or solutions that meet both A and B.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0030] Please refer to Figure 1 , is a schematic exploded view of a three-dimensional structure of a hasp lock provided by an embodiment of the present utility model, wherein the hasp lock includes a base 10, a hand screw 20, a slider 30 and a lock hook 40.

[0031] The base 10 has a slide groove 110; the hand screw 20 is passed through the base 10, and the hand screw 20 includes a lead screw 210 and a hand head 220 connected to the end of the lead screw 210, and the end of the lead screw 210 away from the hand head 220 extends into the slide groove 110; the slider 30 is arranged in the slide groove 110 and is threadedly connected to the end of the lead screw 210 away from the hand head 220; the lock hook 40 passes through the end of the base 10 and is fixedly connected to the slider 30; wherein, by rotating the hand head 220, the slider 30 can slide in the slide groove 110, thereby driving the lock hook 40 to slide.

[0032] Specifically, the base 10 is fixedly connected to the back of the display screen or the display screen frame, and the slide groove 110 is provided on the side thereof facing away from the display screen. The volume of the slider 30 is smaller than the size of the slide groove 110 and can slide back and forth in the slide groove 110. One end of the lead screw 210 is fixedly connected to the hand screw head 220, and the other end of the lead screw 210 passes through the groove wall of the slide groove 110 and extends into the slide groove 110 and is connected to the slider 30 by a thread. The lead screw 210 is passed through the base 10 and can rotate relative to the base, and when the lead screw 210 rotates When the slider 30 slides in the slide groove 110, one end of the lock hook 40 passes through the base 10 and extends into the slide groove 110 and is fixedly connected to the slider, and the other end of the lock hook 40 is outside the base 10 and is used to connect with the lock groove on the lock seat on the other display screen. When the lead screw 210 rotates to drive the slider 30 to slide in the slide groove 110, the lock hook 40 will also follow the slider 30 to slide back and forth relative to the base 10, that is, it will slide back and forth between approaching the other display screen and moving away from the other display screen, thereby realizing locking / unlocking between the two display screens.

[0033] In an embodiment of the present invention, the screw 210 is rotated by rotating the hand-tightening head 220, so that the slider 30 slides in the slide groove 110, and then drives the lock hook 40 to slide, thereby connecting or disconnecting with the lock groove on the lock seat on another display screen. This reliable hand-tightening locking / unlocking method can avoid mis-locking and make the connection between the two display screens more reliable.

[0034] Furthermore, please combine Figure 2-4 In other preferred embodiments of the present invention, the locking hook 40 includes a U-shaped pull rod 410, and limiting holes 1101 are respectively provided on the opposite groove walls of the sliding groove 110. The two ends of the U-shaped pull rod 410 respectively pass through the limiting holes 1101 and are fixedly connected to the slider 30.

[0035] Here, the U-shaped pull rod 410 is one form of the lock hook 40, and it can also be other hook-shaped structures, one end of which is connected to the slider 30, and the other end is a hook-shaped component arranged outside the base 10; specifically, the U-shaped opening of the U-shaped pull rod 410 faces the base 10, and the two ends of the U-shaped pull rod 410 respectively pass through the limiting holes 1101 on the groove wall of the slide groove 110 and are fixedly connected to the slider 30, and then the sliding of the slider 30 can drive the U-shaped pull rod 410 to slide back and forth relative to the base 10, thereby realizing connection or disconnection with the lock groove on the lock seat on another display screen.

[0036] Furthermore, it further includes a rotating shaft 50, which is provided on the limiting hole 1101 and the slider 30 and can rotate relative to the base 10 and the slider 30;

[0037] The two ends of the U-shaped pull rod 410 are respectively fixedly connected to the rotating shaft 50 on both sides of the base 10 .

[0038] Specifically, the rotating shaft 50 passes vertically through the limiting holes 1101 on the two side walls of the slide groove 110 and is passed through the slider 30. The two end portions of the rotating shaft 50 are located on both sides of the base 10 and are fixedly connected to the two end portions of the U-shaped pull rod 410, and the rotating shaft 50 can rotate relative to the base 10 and the slider 30. Such a design can enable the U-shaped pull rod 410 to quickly disengage from the lock groove of the lock seat, thereby improving the convenience of the hasp lock operation.

[0039] In addition, in other preferred embodiments of the present invention, the limiting hole 1101 is a runway-shaped long hole along the sliding direction of the slider 30 .

[0040] Here, the limiting hole 1101 is designed as a runway-shaped long hole along the sliding direction of the slider 30, so that the rotating shaft 50 and the U-shaped pull rod 410 can slide along the length direction of the base 10, thereby making the U-shaped pull rod 410 approach or move away from another display screen, thereby realizing connection or disconnection with the lock groove on the lock seat on the other display screen.

[0041] Furthermore, the buckle lock further includes a return spring 60, the slider 30 is provided with a groove 310 for accommodating the return spring 60, and the rotating shaft 50 passes through the groove 310;

[0042] A first rod 3101 is provided at the end of the groove 310 away from the U-shaped pull rod 410, and a second rod 3102 is provided on the side of the rotating shaft 50 in the groove 310 away from the first rod 3101. The two ends of the return spring 60 are respectively connected to the first rod 3101 and the second rod 3102.

[0043] Specifically, the top of the slider 30 is provided with the groove 310 that is recessed inward and is used to accommodate the return spring 60. The first rod 3101 is provided on the inner wall of the end of the groove 310 away from the U-shaped pull rod 410. The rotating shaft 50 passes through the groove 310. The second rod 3102 is provided on the rotating shaft 50 located in the groove 310, and is specifically fixedly connected to the side of the rotating shaft 50 away from the first rod 3101. The two ends of the return spring 60 are respectively fixedly connected to the first rod 3101 and the second rod 3102. With this design, after the U-shaped pull rod 410 is rotated to complete the unlocking, the U-shaped pull rod 410 can be quickly reset under the elastic force of the return spring 60, thereby improving the operability of the hasp lock.

[0044] In addition, in other preferred embodiments of the present invention, the return spring 60 is located above the rotating shaft 50 and the lead screw 210 respectively.

[0045] Specifically, the return spring 60 is disposed above the rotating shaft 50 and the lead screw 210, that is, the return spring 60 is disposed perpendicular to the rotating shaft 50 and above it, while the lead screw 210 and the return spring 60 are disposed parallel, and the lead screw 210 is disposed below the rotating shaft 50. This design can make assembly more convenient.

[0046] Furthermore, in other preferred embodiments of the present invention, the snap lock further includes a wrench 70 , which is provided at the end of the base 10 facing the hand screw head 220 , and the wrench 70 is fixedly connected to the lead screw 210 .

[0047] Specifically, the wrench 70 passes through the screw 210 and is arranged at the end of the base 10 facing the hand-tightening head 220, and the wrench 70 and the screw 210 are fixedly connected. By adding the wrench 70 to the screw 210, the torque for rotating the screw 210 can be increased, thereby making the rotation of the screw 210 easier.

[0048] Furthermore, a magnet 120 for magnetic attraction with the wrench 70 is provided at the end of the base 10 facing the thumb screw head 220 .

[0049] Specifically, the magnet 120 is provided at a position near the bottom of the base 10 and at the end facing the hand screw head 220. The magnet 120 can magnetically attract the wrench 70, thereby ensuring that the base 10 and the wrench 70 are in a relatively fixed state when not in operation, further avoiding misoperation thereof and affecting the connection between the two display screens.

[0050] Furthermore, the buckle lock further includes a limit screw 80 , which is passed through the base 10 and abuts against the lead screw 210 .

[0051] Specifically, a through hole 130 is provided on the side of the base 10, specifically on the side opposite to the lead screw 210. The limit screw 80 is passed through the through hole 130 and abuts against the lead screw 210 in the base 10. In this way, the lead screw 210 is limited by the limit screw 80 to prevent it from rotating when it does not need to rotate, thereby further avoiding misoperation that affects the connection between the two display screens.

[0052] In addition, in other preferred embodiments of the present invention, a positioning protrusion 140 is provided at the end of the base 10 away from the thumb screw head 220 .

[0053] Specifically, the base 10 is provided with the positioning protrusion 140 on one side of the lock seat facing the other display screen. It can be imagined that the lock seat of the other display screen is provided with a positioning groove for accommodating the positioning protrusion 140, so that the initial positioning of the two display screens when connected can be achieved through the positioning protrusion 140 and the positioning groove.

[0054] In addition, the hasp lock of the embodiment of the utility model will be used with a lock base 90 when in use. The lock base 90 is fixedly connected to the other box display screen, and a lock groove 910 is provided on the lock base 90. The lock groove 910 is used to connect with the U-shaped pull rod 410, thereby completing the connection between the two display screens.

[0055] Furthermore, the lock seat 90 includes an angle dial 920 connected to the seat frame, the angle dial 920 can rotate relative to the seat frame, and has a plurality of connecting units, each connecting unit is provided with a locking groove 910, and a positioning groove 9201 corresponding to the positioning protrusion 140 is provided on the connecting surface of each connecting unit.

[0056] Here, the angle dial 920 can be used to connect the curved display screens, thereby splicing a curved display screen.

[0057] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the embodiments of the present invention, rather than to limit them. Although the embodiments of the present invention have been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A hasp lock, characterized in that: include: A base having a slide groove; A hand screw is provided on the base, comprising a lead screw and a hand screw head connected to the end of the lead screw, wherein the end of the lead screw away from the hand screw head extends into the slide groove; A slider is disposed in the slide groove and is threadedly connected to the end of the lead screw away from the hand screw head; a locking hook passing through an end portion of the base and fixedly connected to the slider; The slider can be made to slide in the slide groove by rotating the hand-tightening head, thereby driving the lock hook to slide.

2. The hasp lock according to claim 1, characterized in that: The locking hook includes a U-shaped pull rod, and limiting holes are respectively provided on the opposite groove walls of the sliding groove. The two ends of the U-shaped pull rod respectively pass through the limiting holes and are fixedly connected to the sliding block.

3. The hasp lock according to claim 2, characterized in that: It also includes a rotating shaft, which is provided on the limiting hole and the slider and can rotate relative to the base and the slider; Wherein, both ends of the U-shaped pull rod are fixedly connected to the rotating shafts on both sides of the base.

4. The hasp lock according to claim 2, wherein: The limiting hole is a runway-shaped long hole along the sliding direction of the slider.

5. The hasp lock according to claim 3, characterized in that: It also includes a return spring, the slider is provided with a groove for accommodating the return spring, and the rotating shaft passes through the groove; A first rod is provided at the end of the groove away from the U-shaped pull rod, and a second rod is provided on the side of the rotating shaft in the groove away from the first rod. Both ends of the reset spring are respectively connected to the first rod and the second rod.

6. The hasp lock according to claim 5, characterized in that: The return springs are respectively located above the rotating shaft and the lead screw.

7. The hasp lock according to any one of claims 1 to 6, characterized in that: It also includes a wrench, which is arranged at the end of the base facing the hand screw head, and the wrench is fixedly connected to the screw.

8. The hasp lock according to claim 7, wherein: The end of the base facing the hand screw head is provided with a magnet for magnetic attraction with the wrench.

9. The hasp lock according to any one of claims 1 to 6, characterized in that: It also includes a limit screw, which is passed through the base and abuts against the lead screw.

10. The hasp lock according to any one of claims 1 to 6, characterized in that: A positioning protrusion is provided on the end of the base facing away from the hand screw head.

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