A connection lock
By designing a connecting lock including fixing devices, snap frames and locking devices, the existing LED light box connecting locks have been solved, and a firm and convenient connection effect has been achieved.
Patent Information
- Application Number
- CN201911087277.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2019-11-08
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2039-11-08
AI Technical Summary
The existing LED light box connection lock has a complex structure, which is inconvenient to disassemble and assemble, is inconvenient to use and is not firmly connected.
A connecting lock including a first fixing device, a second fixing device, a snap frame, a rotary frame and a locking device is designed, and a firm connection between the two box units is achieved through the rotary frame and the locking device, and through an elastic element and adjusting devices improve stability and balance.
It achieves the effect of simple structure, easy to disassemble and assemble, firm connection and easy to use, ensuring the stability and safety of LED box connection.
Smart Images

Figure CN110725836B_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of locks, and in particular relates to a connecting lock. Background Art
[0002] The connection lock is a commonly used lock in the process of connecting LED light boxes. The connection lock on the LED light box in the prior art has the defects of being inconvenient to disassemble and assemble, inconvenient to use, etc.
[0003] The patent document with publication number CN207246170U discloses an assembled connection lock and an LED display screen. The assembled connection lock includes a first connecting member, a second connecting member and a buckle member for tightening the first connecting member and the second connecting member for connecting two adjacent boxes; the lower part of the first connecting member is provided with a first fixing part fixed to the external box; the second connecting member includes: a lock sleeve, which is fitted and connected with the first connecting member and is provided with an arc track, and the arc track extends in an arc shape facing away from the first connecting member; a lock seat, which is connected with the lock sleeve and can slide back and forth along the arc track; the lower part of the lock seat is also provided with a second fixing part fixed to the external box; a limit member, which is connected with the lock sleeve and the lock seat, and the limit member fixes the lock sleeve and the lock seat when the lock seat moves into place; the buckle member is connected with the first connecting member and the lock sleeve to fix the first connecting member and the lock sleeve.
[0004] The assembled connection locks in the above-mentioned comparative documents have a relatively complex structure and the connection is not very firm. Summary of the invention
[0005] The main purpose of the present invention is to provide a connecting lock with simple structure, convenient assembly and disassembly, firm connection and convenient use.
[0006] To achieve the above-mentioned purpose, the present invention proposes a connection lock, a connection lock, comprising a first fixing device, a second fixing device, a buckle frame, a rotating frame and a locking device, one end of the rotating frame is rotatably connected to the first fixing device, the locking device is arranged on the rotating frame, one end of the buckle frame is rotatably connected to the middle part of the rotating frame, the other end of the buckle frame is a buckle part, and the buckle part is movably buckled on the second fixing device. A rotating shaft is respectively arranged on the first fixing device and the middle part of the rotating frame, one end of the rotating frame is rotatably connected to the first fixing device through the rotating shaft, and one end of the buckle frame is rotatably connected to the middle part of the rotating frame through the rotating shaft.
[0007] When the connection base of the present invention connects two box units of an LED box, the first fixing device is fixed on one of the box units, and the second fixing device is fixed on the other box unit. Then, the rotating frame is rotated to make the buckle frame buckle on the second fixing device, and then locked by the locking device on the rotating frame, the connection of the two box units can be completed. Since the first fixing device and the second fixing device are respectively fixed on the two unit boxes, when the buckle frame is buckled on the second fixing frame, the connection of the two box units will be relatively firm.
[0008] The invention has the advantages of simple structure, convenient assembly and disassembly, firm connection and convenient use.
[0009] Further improved, the first fixing device includes a first connecting rod and at least two first fixing seats, and the first fixing seats are connected in sequence by the first connecting rod; preferably, the number of the first fixing seats is two. In the present invention, the number of the first fixing seats is two, and the stability, balance and firmness of the first fixing device can be improved by the first connecting rod and the two first fixing seats.
[0010] The second fixing device includes an adjusting device and at least two second fixing seats, and the second fixing seats are connected in sequence through the adjusting device; preferably, the number of the second fixing seats is two. In the present invention, the number of the second fixing seats is two, and the stability, balance and firmness of the second fixing device can be improved by the adjusting device and the two second fixing seats.
[0011] The rotating frame includes a second connecting rod and at least two rotating rods, one end of each rotating rod is rotatably connected to each first fixed seat, the other end of each rotating rod is connected in sequence through the second connecting rod, and at least one rotating rod is provided with a locking device; preferably, the number of the rotating rods is two. In the present invention, the number of the rotating rods is two, and the stability, balance and firmness of the rotating frame can be improved by the second connecting rod and the two rotating rods.
[0012] The buckle frame includes a third connecting rod and at least two buckle rods, one end of each buckle rod is rotatably connected to the middle of the rotating rod, and the other ends of each buckle rod are bent in the same direction to form a buckle portion, and each buckle rod is connected in sequence through the third connecting rod. Preferably, the number of the buckle rods is two. In the present invention, the number of the buckle rods is two, and the stability, balance and firmness of the buckle frame can be improved by the third connecting rod and the two buckle rods.
[0013] Further improved, the locking device includes a push rod and a first elastic element, the push rod is slidably arranged along the axial frame of the rotating rod, the push rod is provided with a first hook and a handle, and the first elastic element is arranged between the end of the push rod close to the first hook and the rotating rod. The first elastic element is a spring, and the end of the push rod close to the first hook is provided with a sleeve rod, and the first elastic element is sleeved on the sleeve rod. The box unit where the first fixing device is located is provided with a second hook corresponding to the first hook. When the push rod is pushed by the handle, the first hook is placed against the second hook and then released. Under the elastic force of the first elastic element, the first hook is hung on the second hook, and due to the tension of the elastic force of the first elastic element, the first hook will not easily fall off from the second hook.
[0014] As a further improvement, the first fixing seat is provided with a first fixing portion, each first fixing portion is detachably connected to each first fixing seat, a first fixing through hole is formed between each first fixing portion and each first fixing seat, and each first fixing through hole is opposite to each other;
[0015] The second fixing seat is provided with a second fixing part, each second fixing part and each second fixing seat are detachably connected, and a second fixing through hole is formed between each second fixing part and each second fixing seat, and each second fixing through hole is opposite to each other. A fixing shaft is provided on the box unit, and the first fixing seat is fixed to the fixing shaft of the box unit through each first fixing through hole, and the second fixing seat is fixed to the fixing shaft of another box unit through the second fixing through hole.
[0016] As a further improvement, a second elastic element is provided in the second fixing through hole, one end of the second elastic element is connected to the second fixing seat, and the other end of the second elastic element extends toward the second fixing portion. The second elastic element is a spring, and when a fixing shaft is inserted into the second fixing through hole, the second elastic element, i.e., the spring, can be against the fixing shaft, and can apply a certain pressure to the fixing shaft to prevent displacement.
[0017] Further improved, the adjustment device includes an adjustment member and two adjustment rods, the second fixing portion is provided with a third through hole, each third through hole is opposite to each other, the two adjustment rods are respectively inserted between each third through hole, and the two adjustment rods are butted through the adjustment member, and the two adjustment rods are butted here, and the two adjustment rods are not in direct contact, but are butted through the adjustment rods. One end of the two adjustment rods that are butted is respectively provided with an external thread, and both sides of the adjustment member are respectively provided with an internal thread, and the two adjustment rods are respectively connected to the adjustment member through the external thread and the internal thread. By twisting the adjustment member, the spacing between the two adjustment rods can be controlled, so that the gap between the box units can be adjusted. The box unit for gap adjustment here does not refer to the two box units connected by the connecting lock, but refers to other box units adjacent to the box unit. Generally, the LED box is assembled by splicing many box units.
[0018] As a further improvement, the ends of the two adjustment rods without external threads are respectively fixed with retaining rings, the diameter of the retaining rings is larger than the diameter of the third through hole, and the two adjustment rods are also respectively sleeved with third elastic elements, and the two third elastic elements are respectively located between the corresponding retaining rings and the corresponding third through holes. The retaining rings are used to prevent the two adjustment rods from sliding out of the second fixed part. The third elastic element is a spring, which generates elastic force between the retaining ring and the second fixed part, and can tighten the adjustment rod and the second fixed part to prevent the entire LED box from shaking. Preferably, a sleeve is also sleeved outside the third elastic element to protect the third elastic element and its internal structure and make the overall appearance more beautiful.
[0019] As a further improvement, the third through hole is square, and the end of the adjusting rod without external threads can be detachably sleeved with a wedge corresponding to the third through hole, and the smaller end of the wedge is movably inserted into the third through hole. The wedge is inserted into the square third through hole, so that the adjusting rod and the second fixing part will not rotate relative to each other, and the adjusting rod and the second fixing part can be pre-tightened and fixed, so that the entire second fixing seat and even the entire connecting seat and the LED box will not shake.
[0020] As a further improvement, a blocking rod is provided at one end of the bent end of the buckle rod, the blocking rod is perpendicular to the buckle rod, and the blocking rod is a buckle part; a slot corresponding to the blocking rod is provided on the second fixed part, and the buckle rod is movably clamped on the slot of the second fixed part through the blocking rod. Preferably, the blocking rod is cylindrical and the slot is semi-cylindrical. When the blocking rod is clamped in the slot, the connecting lock locks the two box units; when the buckle frame is lifted by the rotating frame, the blocking rod also withdraws from the slot, so that the two locked box units can be disassembled, which is convenient for disassembly and assembly.
[0021] As a further improvement, anti-skid patterns are provided along the circumference of the adjusting member, and an adjusting hole is also provided on the adjusting member, and the direction of the adjusting hole is arranged along the axial direction of the adjusting member. The anti-skid patterns are strip-shaped, and the adjusting member is cylindrical, and the anti-skid patterns are arranged along the axial direction of the adjusting member. The anti-skid patterns make it more convenient to twist the adjusting member, and when necessary, a tool such as a screwdriver can be inserted into the adjusting hole to tighten the adjusting member.
[0022] Compared with the prior art, the technical solution of the present invention has the following beneficial effects:
[0023] When the connection base of the present invention connects two box units of an LED box, the first fixing device is fixed on one of the box units, and the second fixing device is fixed on the other box unit. Then, the rotating frame is rotated to make the buckle frame buckle on the second fixing device, and then locked by the locking device on the rotating frame, the connection of the two box units can be completed. Since the first fixing device and the second fixing device are respectively fixed on the two unit boxes, when the buckle frame is buckled on the second fixing frame, the connection of the two box units will be relatively firm.
[0024] The invention has the advantages of simple structure, convenient assembly and disassembly, firm connection and convenient use. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.
[0026] Figure 1 A three-dimensional diagram of the connecting lock (the internal structure of the second fixing seat can be seen);
[0027] Figure 2 for Figure 1 A stereogram from another perspective;
[0028] Figure 3 Another stereoscopic view of the connecting lock (the internal structure of the locking device can be seen);
[0029] Figure 4 It is the main view of the connection lock;
[0030] Figure 5 It is a schematic diagram of the connection relationship between the second fixing seat and the second fixing part. DETAILED DESCRIPTION
[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0032] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.
[0033] In addition, in the present invention, descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two or more, such as three, etc., unless otherwise clearly and specifically defined.
[0034] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0035] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.
[0036] like Figures 1 to 5 As shown, a connection lock comprises a first fixing device 5, a second fixing device 6, a buckle frame 7, a rotating frame 8 and a locking device 9, one end of the rotating frame 8 is rotatably connected to the first fixing device 5, the locking device 9 is arranged on the rotating frame 8, one end of the buckle frame 7 is rotatably connected to the middle of the rotating frame 8, the other end of the buckle frame 7 is a buckle part, and the buckle part is movably buckled on the second fixing device 6. A rotating shaft 81 is respectively arranged on the first fixing device 5 and the middle of the rotating frame 8, one end of the rotating frame 8 is rotatably connected to the first fixing device 5 through the rotating shaft 81, and one end of the buckle frame 7 is rotatably connected to the middle of the rotating frame 8 through the rotating shaft 81.
[0037] When the connection base of this embodiment connects two box units of the LED box, the first fixing device 5 is fixed on one of the box units, and the second fixing device 6 is fixed on the other box unit. Then the rotating frame 8 is rotated to make the buckle frame 7 buckle on the second fixing device 6, and then locked by the locking device 9 on the rotating frame 8, the connection and locking of the two box units can be completed. Since the first fixing device 5 and the second fixing device 6 are respectively fixed on the two unit boxes, when the buckle frame 7 is buckled on the second fixing frame, the connection of the two box units will be more firm.
[0038] This embodiment has a simple structure, is easy to assemble and disassemble, has a firm connection, and is easy to use.
[0039] In this embodiment, as a further improvement of the above technical solution, the first fixing device 5 includes a first connecting rod 51 and at least two first fixing seats 52, and each first fixing seat 52 is connected in sequence through the first connecting rod 51; preferably, the number of the first fixing seats 52 is two. In this embodiment, the number of the first fixing seats 52 is two, and the stability, balance and firmness of the first fixing device 5 can be improved by the first connecting rod 51 and the two first fixing seats 52.
[0040] The second fixing device 6 includes an adjusting device 61 and at least two second fixing seats 62, and each second fixing seat 62 is connected in sequence through the adjusting device 61; preferably, the number of the second fixing seats 62 is two. In this embodiment, the number of the second fixing seats 62 is two, and the stability, balance and firmness of the second fixing device 6 can be improved by the adjusting device 61 and the two second fixing seats 62.
[0041] The rotating frame 8 includes a second connecting rod 83 and at least two rotating rods 82, one end of each rotating rod 82 is rotatably connected to each first fixed seat 52, and the other end of each rotating rod 82 is connected in sequence through the second connecting rod 83. At least one rotating rod 82 is provided with a locking device 9; preferably, the number of rotating rods 82 is two. In this embodiment, the number of rotating rods 82 is two. The second connecting rod 83 and the two rotating rods 82 can improve the stability, balance and firmness of the rotating frame 8.
[0042] The buckle frame 7 includes a third connecting rod 71 and at least two buckle rods 72, one end of the buckle rods 72 is rotatably connected to the middle of the rotating rod 82, and the other ends of the buckle rods 72 are bent in the same direction to form a buckle portion, and each buckle rod 72 is sequentially connected through the third connecting rod 71. Preferably, the number of the buckle rods 72 is two. In this embodiment, the number of the buckle rods 72 is two, and the stability, balance and firmness of the buckle frame 7 can be improved by the third connecting rod 71 and the two buckle rods 72.
[0043] In this embodiment, as a further improvement of the above technical solution, the locking device 9 includes a push rod 91 and a first elastic element 92. The push rod 91 is slidably mounted along the axial frame of the rotating rod 82. The push rod 91 is provided with a first hook 93 and a handle 94. The first elastic element 92 is disposed between one end of the push rod 91 close to the first hook 93 and the rotating rod 82. The first elastic element 92 is a spring. The end of the push rod 91 close to the first hook 93 is provided with a sleeve rod 95, and the first elastic element 92 is sleeved on the sleeve rod 95. The box unit where the first fixing device 5 is located is provided with a second hook 41 corresponding to the first hook 93. When the push rod 91 is pushed by the handle 94, the first hook 93 is pressed against the second hook 41, and then released. Under the elastic force of the first elastic element 92, the first hook 93 is hung on the second hook 41, and due to the elastic force of the first elastic element 92, the first hook 93 will not fall off from the second hook 41 easily.
[0044] In this embodiment, as a further improvement of the above technical solution, a first fixing portion 53 is provided on the first fixing seat 52, each first fixing portion 53 is detachably connected to each first fixing seat 52, and a first fixing through hole 54 is formed between each first fixing portion 53 and each first fixing seat 52, and each first fixing through hole 54 is opposite to each other;
[0045] The second fixing seat 62 is provided with a second fixing portion 63, each second fixing portion 63 and each second fixing seat 62 are detachably connected, and a second fixing through hole 64 is formed between each second fixing portion 63 and each second fixing seat 62, and each second fixing through hole 64 is opposite to each other. A fixing shaft 42 is provided on the box unit, and the first fixing seat 52 is fixed to the fixing shaft 42 of the box unit through each first fixing through hole 54, and the second fixing seat 62 is fixed to the fixing shaft 42 of another box unit through the second fixing through hole 64.
[0046] In this embodiment, as a further improvement of the above technical solution, a second elastic element 65 is provided in the second fixing through hole 64, one end of the second elastic element 65 is connected to the second fixing seat 62, and the other end of the second elastic element 65 extends toward the second fixing portion 63. The second elastic element 65 is a spring, and when the fixing shaft 42 is inserted into the second fixing through hole 64, the second elastic element 65, i.e., the spring, can be disposed against the fixing shaft 42, and can apply a certain pressure to the fixing shaft 42 to prevent displacement.
[0047] In this embodiment, as a further improvement of the above technical solution, the adjustment device 61 includes an adjustment member 611 and two adjustment rods 612. The second fixing portion 63 is provided with a third through hole 66. The third through holes 66 are opposite to each other. The two adjustment rods 612 are respectively inserted between the third through holes 66, and the two adjustment rods 612 are docked through the adjustment member 611. In the docking here, the two adjustment rods 612 are not in direct contact, but docked through the adjustment rods 612. The two ends of the two adjustment rods 612 are respectively provided with external threads, and the two sides of the adjustment member 611 are respectively provided with internal threads. The two adjustment rods 612 are connected to the adjustment member 611 through external threads and internal threads. By twisting the adjustment member 611, the spacing between the two adjustment rods 612 can be controlled, so that the gap between the box units can be adjusted. The box unit for gap adjustment here does not refer to the two box units connected by the connecting lock, but to other box units adjacent to the box unit. Generally, the LED box is assembled by splicing many box units.
[0048] In this embodiment, as a further improvement of the above technical solution, the ends of the two adjustment rods 612 without external threads are respectively fixedly sleeved with a retaining ring 613, the diameter of the retaining ring 613 is larger than the diameter of the third through hole 66, and the two adjustment rods 612 are also sleeved with a third elastic element 614, and the two third elastic elements 614 are respectively located between the corresponding retaining ring 613 and the corresponding third through hole 66. The retaining ring 613 is to prevent the two adjustment rods 612 from sliding out of the second fixing part 63. The third elastic element 614 is a spring, which generates elastic force between the retaining ring 613 and the second fixing part 63, and can tighten the adjustment rod 612 and the second fixing part 63 to prevent the entire LED box from shaking. Preferably, the third elastic element 614 is also sleeved with a sleeve 615, which is used to protect the third elastic element 614 and its internal structure, and make the entire appearance more beautiful.
[0049] In this embodiment, as a further improvement of the above technical solution, the third through hole 66 is square, and the end of the adjustment rod 612 without external threads can be detachably sleeved with a wedge 67 corresponding to the third through hole 66, and the smaller end of the wedge 67 is movably inserted in the third through hole 66. By inserting the wedge 67 into the square third through hole 66, the adjustment rod 612 and the second fixing part 63 will not rotate relative to each other, and the adjustment rod 612 and the second fixing part 63 can be pre-tightened and fixed, so that the entire second fixing seat 62 and even the entire connecting seat and the LED box will not shake.
[0050] In this embodiment, as a further improvement of the above technical solution, a blocking rod 73 is provided at one end of the bent end of the buckle rod 72, and the blocking rod 73 is perpendicular to the buckle rod 72, and the blocking rod 73 is a buckle part; a slot 631 corresponding to the blocking rod 73 is provided on the second fixed part 63, and the buckle rod 72 is movably clamped on the slot 631 of the second fixed part 63 through the blocking rod 73. Preferably, the blocking rod 73 is cylindrical, and the slot 631 is semi-cylindrical. When the blocking rod 73 is clamped in the slot 631, the connection lock locks the two box units; when the buckle frame 7 is lifted by the rotating frame 8, the blocking rod 73 also withdraws from the slot 631, so that the two locked box units can be disassembled, which is convenient for disassembly and assembly.
[0051] In this embodiment, as a further improvement of the above technical solution, anti-skid patterns 616 are provided along the circumference of the adjusting member 611, and an adjusting hole 617 is also provided on the adjusting member 611, and the direction of the adjusting hole 617 is arranged along the axial direction of the adjusting member 611. The anti-skid patterns 616 are strip-shaped, and the adjusting member 611 is cylindrical, and the anti-skid patterns 616 are arranged along the axial direction of the adjusting member 611. Through the anti-skid patterns 616, it is more convenient to screw the adjusting member 611, and when necessary, a tool such as a screwdriver can be inserted into the adjusting hole 617 to tighten the adjusting member 611.
[0052] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.
Claims
1. A connection lock, characterized in that: It comprises a first fixing device, a second fixing device, a buckle frame, a rotating frame and a locking device, one end of the rotating frame is rotatably connected to the first fixing device, the locking device is arranged on the rotating frame, one end of the buckle frame is rotatably connected to the middle part of the rotating frame through a rotating shaft, the other end of the buckle frame is a buckle part, and the buckle part is movably buckled on the second fixing device; The first fixing device comprises a first connecting rod and at least two first fixing seats, and the first fixing seats are connected in sequence through the first connecting rod; The second fixing device comprises an adjusting device and at least two second fixing seats, and the second fixing seats are connected in sequence through the adjusting device; The rotating frame comprises a second connecting rod and at least two rotating rods, one end of each rotating rod is rotatably connected to each first fixed seat, and the other end of each rotating rod is connected in sequence through the second connecting rod, and at least one rotating rod is provided with a locking device; The buckle frame includes a third connecting rod and at least two buckle rods, one end of each buckle rod is rotatably connected to the middle of the rotating rod, and the other ends of each buckle rod are bent in the same direction to form a buckle portion, and each buckle rod is connected in sequence through the third connecting rod; The adjusting device comprises an adjusting member and two adjusting rods, the second fixing seat is provided with a second fixing portion, the second fixing portion is provided with a third through hole, the third through holes are opposite to each other, the two adjusting rods are respectively inserted between the third through holes, and the two adjusting rods are butted together through the adjusting member, one end of the butted two adjusting rods is respectively provided with an external thread, the two sides of the adjusting member are respectively provided with an internal thread, and the two adjusting rods are respectively connected to the adjusting member through the external thread and the internal thread; The ends of the two adjusting rods without external threads are respectively fixedly sleeved with a retaining ring, the diameter of the retaining ring is larger than the diameter of the third through hole, and the two adjusting rods are also respectively sleeved with a third elastic element, and the two third elastic elements are respectively located between the corresponding retaining ring and the corresponding third through hole; The third through hole is square, and the end of the adjusting rod without external threads is detachably sleeved with a wedge corresponding to the third through hole, and the smaller end of the wedge is movably inserted in the third through hole; A blocking rod is provided at one bent end of the buckle rod, the blocking rod is perpendicular to the buckle rod, and the blocking rod is a buckle part; a slot corresponding to the blocking rod is provided on the second fixing part, and the buckle rod is movably clamped in the slot of the second fixing part through the blocking rod.
2. The connecting lock according to claim 1, characterized in that: The locking device includes a push rod and a first elastic element. The push rod is slidably arranged along the axial frame of the rotating rod. The push rod is provided with a first hook and a handle. The first elastic element is disposed between one end of the push rod close to the first hook and the rotating rod.
3. The connecting lock according to claim 1, characterized in that: The first fixing seat is provided with a first fixing part, each first fixing part is detachably connected to each first fixing seat, a first fixing through hole is formed between each first fixing part and each first fixing seat, and each first fixing through hole is opposite to each other; Each second fixing portion and each second fixing seat are detachably connected to each other, and a second fixing through hole is formed between each second fixing portion and each second fixing seat, and each second fixing through hole is opposite to each other.
4. The connecting lock according to claim 3, characterized in that: A second elastic element is disposed in the second fixing through hole, one end of the second elastic element is connected to the second fixing seat, and the other end of the second elastic element extends toward the second fixing portion.
5. The connecting lock according to claim 3, characterized in that: Anti-slip grooves are arranged along the circumference of the adjusting member, and an adjusting hole is also arranged on the adjusting member, and the direction of the adjusting hole is arranged along the axial direction of the adjusting member.
