Quick-release connector and unmanned aerial vehicle undercarriage

Abstract

The utility model relates to a quick-release connector and an unmanned aerial vehicle undercarriage, and relates to the technical field of connecting devices, the quick-release connector comprises a first connecting part, a second connecting part, a locking ring assembly and a limiting assembly, the first connecting part and the second connecting part are connected through the locking ring assembly, disassembly and assembly are convenient, and the disassembly and assembly speed is high. After the first connecting part and the second connecting part are connected, limiting is conducted through the limiting assembly, the locking ring assembly is fixed to the locking position, the situation that the locking ring assembly is loosened or disengaged, and consequently equipment is damaged is avoided, and the safety of the equipment is guaranteed.

Description

Technical Field

[0001] The present application relates to the technical field of connection devices, and in particular to a quick-release connector and a UAV landing gear. Background Art

[0002] In the field of multi-rotor UAV mapping, it is often necessary to transport and transfer aircraft. In order to facilitate the storage and transportation of UAVs, the aircraft landing gear usually needs to be able to be quickly disassembled and assembled, and the installation connection must be stable. Currently, the most commonly used ones are the non-standard threaded matching structure for axial tightening, and the radial limit of the slot structure with a raised plastic or metal convex shaft and a grooved plastic locking ring. However, the wear life of the plastic slot is unstable, and some users use a large force to screw the locking ring, which can easily cause the plastic recessed slot to wear and deform. Long-term accumulation is prone to failure, resulting in loose landing gear, shaking of the fuselage after landing, and explosion. Utility Model Content

[0003] The purpose of the embodiments of the present application is to provide a quick-release joint and a UAV landing gear to solve the above-mentioned technical problems.

[0004] In the first aspect, an embodiment of the utility model provides a quick-release connector, which includes a first connecting part, a second connecting part, a locking ring assembly and a limiting assembly, wherein a connecting slot is provided at one end of the first connecting part, and one end of the second connecting part is inserted into the connecting slot, and a plurality of elastic protrusions are circumferentially spaced at the edge of the connecting slot, and the elastic protrusions are locked with the second connecting part after being deformed by force, and the locking ring assembly is sleeved on the outside of the elastic protrusions, and the locking ring assembly has a locking position that abuts against the elastic protrusions to deform and lock the elastic protrusions, and an unlocking position that is separated from the elastic protrusions, and the locking ring assembly is driven to switch between the locking position and the unlocking position, and the limiting assembly is provided at the first connecting part, and the limiting assembly can be engaged with the locking ring assembly to fix the locking ring assembly in the locking position.

[0005] Furthermore, locking threads are provided on the elastic protrusion and the locking ring assembly, the locking ring assembly is threadedly connected to the elastic protrusion, and the locking ring assembly switches between a locking position and an unlocking position by rotating.

[0006] Furthermore, the limit pin includes a limit slot, and the locking ring assembly is provided with a limit slot. The limit pin is slidably disposed on the first connecting portion. When the locking ring assembly is located in the locking position, the limit pin can be inserted into the limit slot to fix the locking ring assembly in the locking position.

[0007] Furthermore, the limiting assembly also includes a toggle block and a reset spring, wherein the toggle block is connected to the limiting latch and is used to push the limiting latch out of the limiting groove, and the reset spring provides elastic force to reset the limiting latch to an initial position.

[0008] Furthermore, a plurality of connection grooves are arranged at intervals on the outer peripheral wall of the second connection portion, and the elastic protrusions are clamped in the connection grooves in a one-to-one correspondence.

[0009] Furthermore, a guiding slope is provided at the periphery of the limiting groove, and the guiding slope is used to guide the limiting latch to be inserted into the limiting groove.

[0010] Furthermore, a plurality of the limiting grooves are spaced apart from each other on the second connection portion, and the limiting latch can be locked in any of the limiting grooves.

[0011] Furthermore, an anti-slip component is provided on the peripheral wall of the locking ring assembly.

[0012] Furthermore, the anti-skid component includes anti-skid stripes, protective protrusions or anti-skid covers.

[0013] On the other hand, an embodiment of the utility model also provides a UAV landing gear, which includes a connecting seat, a carbon tube bonding assembly and any one of the quick-release joints mentioned above, the connecting seat is connected to the first connecting part of the quick-release joint, the carbon tube bonding assembly is connected to the second connecting part of the quick-release joint, and the connecting seat and the carbon tube bonding assembly are detachably connected via the quick-release joint.

[0014] The utility model provides a quick-release connector, which connects a first connection part and a second connection part through a locking ring assembly, and is convenient to disassemble and assemble, and has a fast disassembly and assembly speed. After the first connection part and the second connection part are connected, the limiting assembly is used to limit the locking ring assembly so that the locking ring assembly is fixed in a locked position, thereby preventing the locking ring assembly from loosening or detaching, causing damage to the equipment, and ensuring the safety of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments of the present application will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 An exploded view of a quick-release connector provided in an embodiment of the present application;

[0017] Figure 2 Provided for the embodiments of this application Figure 1 A magnified image of area A;

[0018] Figure 3 A cross-sectional view of a quick-release connector provided in an embodiment of the present application;

[0019] Figure 4 A three-dimensional diagram of the landing gear of the UAV provided in an embodiment of the present application.

[0020] Icons: 100-first connecting part; 200-second connecting part; 300-locking ring assembly; 400-limiting assembly; 101-connecting slot; 102-elastic protrusion; 103-locking thread; 401-limiting pin; 301-limiting slot; 402-sliding block; 403-reset spring; 201-connecting slot; 302-guide ramp; 303-anti-slip assembly; 500-connecting seat; 600-carbon tube bonding assembly. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0022] In the description of this application, it should be noted that the terms "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the application is usually placed when in use, which is only for the convenience of describing this application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0023] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "disposed" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0024] Example 1

[0025] This embodiment provides a quick-release joint, which includes a first connecting portion 100, a second connecting portion 200, a locking ring assembly 300 and a limiting assembly 400. One end of the first connecting portion 100 is provided with a connecting slot 101. One end of the second connecting portion 200 is inserted into the connecting slot 101. A plurality of elastic protrusions 102 are circumferentially spaced at the edge of the connecting slot 101. After the elastic protrusions 102 are deformed by force, they are clamped and locked with the second connecting portion 200. The locking ring assembly 300 is sleeved outside the elastic protrusions 102. The locking ring assembly 300 has a locking position where it abuts against the elastic protrusions 102 to deform and lock the elastic protrusions 102 and an unlocking position where it disengages from the elastic protrusions 102. The locking ring assembly 300 is driven to switch between the locking position and the unlocking position. The limiting assembly 400 is arranged on the first connecting portion 100. The limiting assembly 400 can be clamped with the locking ring assembly 300 to fix the locking ring assembly 300 at the locking position.

[0026] Please refer to Figure 1As shown, in this embodiment, both the first connecting portion 100 and the second connecting portion 200 are hollow tubular structures. One end of the first connecting portion 100 is provided with a connecting slot 101, and one end of the second connecting portion 200 can be inserted into the slot, thereby realizing the connection between the first connecting portion 100 and the second connecting portion 200. At least two elastic protrusions 102 are arranged along the length direction of the first connecting portion 100 at the periphery of the connecting slot 101, and the elastic protrusions 102 form a clamping structure. When the elastic protrusions 102 are stressed, they deform, thereby clamping the second connecting portion 200 in the connecting slot 101 and preventing the first connecting portion 100 and the second connecting portion 200 from disengaging. The locking ring assembly 300 is a ring structure. The locking ring assembly 300 is sleeved outside the elastic protrusions 102, and the locking ring assembly 300 has a locking position connected to the first connecting portion 100 and an unlocking position disengaged from the first connecting portion 100. When the locking ring assembly 300 is in the locking position, the locking ring assembly 300 presses the elastic protrusions 102 of the first connecting portion 100, causing the elastic protrusions 102 to deform and clamp the second connecting portion 200. At this time, the first connecting portion 100 and the second connecting portion 200 are stably connected to form an integral body. On the contrary, when the locking ring assembly 300 is in the unlocking position, the locking ring assembly 300 disengages from the elastic protrusions 102, and the elastic protrusions 102 return to the initial state. The operator can conveniently disassemble the first connecting portion 100 and the second connecting portion 200. A limiting assembly 400 is provided on the first connecting portion 100. After the locking ring assembly 300 is adjusted to the locking position, the limiting assembly 400 is connected to the locking ring assembly 300 for limiting, so that the locking ring assembly 300 is fixed in the locking position, preventing the locking ring assembly 300 from loosening or disengaging, resulting in shaking or disengagement between the first connecting portion 100 and the second connecting portion 200, and ensuring the stability and safety of the device during use. When connecting the first connecting portion 100 and the second connecting portion 200, only need to insert one end of the second connecting portion 200 into the connecting slot 101 of the first connecting portion 100, then adjust the locking ring assembly 300 to the locking position, and finally connect and limit the locking ring assembly 300 through the limiting assembly 400 to complete the installation. On the contrary, when disassembling the first connecting portion 100 and the second connecting portion 200, the limiting can be released by adjusting the limiting assembly 400 first, and then the locking ring assembly 300 can be switched to the unlocking position to take out the second connecting portion 200 to complete the disassembly. The whole operation process is fast and convenient. After the first connecting portion 100 and the second connecting portion 200 are installed, the connection is stable, there will be no loosening, and the safety is high.

[0027] Optionally, in some embodiments of this embodiment, locking threads 103 that mesh with each other are provided at the connection between the elastic protrusions 102 and the locking ring assembly 300. The locking ring assembly 300 is threadedly connected to the elastic protrusions 102, and the locking ring assembly 300 is switched between the locking position and the unlocking position by rotation.

[0028] Please refer toFigure 1 and Figure 3 As shown, in this embodiment, locking threads 103 that mesh with each other are provided on the outer sidewall of the elastic protrusion 102 and the inner sidewall of the lock ring assembly 300, and the lock ring assembly 300 is connected to the first connection portion 100 by rotation. During the process of tightening the lock ring assembly 300 along the thread direction, the locking thread 103 on the lock ring assembly 300 presses the locking thread 103 on the elastic protrusion 102, causing the elastic protrusion 102 to deform and clamp the second connection portion 200 to complete the connection. Conversely, when the lock ring assembly 300 is loosened along the thread direction, the elastic protrusion 102 gradually recovers under its own elastic force, and the second connection portion 200 gradually loosens until it can be completely disassembled. The lock ring assembly 300 and the first connection portion 100 are threadedly connected. On the one hand, the structure is simple, and the elastic protrusion 102 can be deformed by thread extrusion. On the other hand, the thread structure itself has a certain self-locking property, and with the cooperation of the limiting component 400, a better fixing effect can be achieved.

[0029] Optionally, in some embodiments of this embodiment, the limiting component 400 includes a limiting pin 401. A limiting groove 301 is provided on the lock ring assembly 300. The limiting pin 401 is slidably disposed on the first connection portion 100. When the lock ring assembly 300 is in the locked position, the limiting pin 401 can be inserted into the limiting groove 301 to fix the lock ring assembly 300 in the locked position.

[0030] Please refer to Figure 1 , Figure 2 and Figure 3 As shown, in this embodiment, an installation chute may be provided on the first connection portion 100, and the limiting pin 401 is slidably disposed in the installation chute. A limiting groove 301 is provided on the lock ring assembly 300, and the limiting pin 401 is driven to move along the length direction of the first connection portion 100. When the lock ring assembly 300 moves to the locked position, the limiting groove 301 just aligns with the limiting pin 401. At this time, the operator can slide the limiting pin 401 into the limiting groove 301 for limiting. After the limiting pin 401 is inserted into the limiting groove 301, since the limiting pin 401 abuts against the inner wall of the limiting groove 301, the lock ring assembly 300 cannot rotate at this time and can only be fixed in the locked position, thereby preventing the lock ring assembly 300 from loosening or disengaging due to vibration or external force during the working process.

[0031] It should be noted that the limit pin 401 can be parallel to the length direction of the first connecting portion 100. At this time, the limit pin 401 and the locking thread 103 on the lock ring assembly 300 cooperate to jointly limit the position. It can be understood that when connecting by threads, only by restricting the rotation of the lock ring assembly 300 can the limiting effect be achieved, and the loosening of the lock ring assembly 300 can be avoided. Optionally, the limit pin 401 can also be perpendicular to the first connecting portion 100 and inserted into the limit groove 301 of the lock ring assembly 300 from the radial direction. At this time, the limit pin 401 can not only restrict the rotation of the lock ring assembly 300 but also restrict the lateral movement of the lock ring assembly 300. Figure 1 、 Figure 2 and Figure 3 This is only one setting method in this embodiment. The installation direction of the limit pin 401 can be selected according to actual needs, and this embodiment does not make any restrictions.

[0032] Optionally, in some embodiments of this embodiment, the limit assembly 400 further includes a toggle block 402 and a return spring 403. The toggle block 402 is connected to the limit pin 401 and is used to push the limit pin 401 out of the limit groove 301, and the return spring 403 provides an elastic force to reset the limit pin 401 to its initial position.

[0033] Please refer to Figure 1 and Figure 3 As shown, in this embodiment, the limit pin is connected to the toggle block 402. The operator can move the limit pin 401 by adjusting the toggle block 402 to insert or disengage the limit pin 401 from the limit groove 301. A return spring is sleeved on the limit pin 401, and the return spring 403 provides an elastic force to restore the limit pin 401 to its initial position. After the limit pin 401 is inserted into the limit groove 301, the return spring 403 provides an elastic force to keep the limit pin 401 inserted into the limit groove 301 all the time, so as to avoid the limit pin 401 disengaging from the limit groove 301 and affecting the limiting effect. In this embodiment, when the rotary lock ring assembly 300 is adjusted to the locked position, the periphery or side wall of the lock ring assembly 300 will abut against the limit pin 401 and compress the return spring 403. At this time, the lock ring assembly 300 can be freely adjusted until the lock ring assembly 300 is adjusted to the locked position. Then, the limit groove 301 is aligned with the limit pin 401, and the limit pin 401 is inserted into the limit groove 301 under the action of the return spring 403 to complete the limiting. During the locking process, the operator does not need to keep sliding the limit pin 401 all the time, which simplifies the operation steps and allows a single person to complete the disassembly and assembly operation.

[0034] Optionally, in some embodiments of this embodiment, a guiding inclined surface 302 is provided at the periphery of the limit groove 301, and the guiding inclined surface 302 is used to guide the limit pin 401 to be caught in the limit groove 301.

[0035] Please refer to Figure 2As shown, in this embodiment, under the action of the return spring 403, during the process of adjusting the lock ring assembly 300 to the locked position, the limit pin 401 automatically engages in the limiting operation without manual operation, improving the installation efficiency. During the process of adjusting the lock ring assembly 300 to the locked position, the guiding inclined surface 302 abuts against the limit pin 401, guiding the limit pin 401 to accurately engage in the limit groove 301, improving the efficiency and comfort during installation.

[0036] Optionally, in some embodiments of this embodiment, a plurality of connecting grooves 201 are spaced apart on the outer peripheral wall of the second connecting portion 200, and the elastic protrusions 102 are respectively engaged in the connecting grooves 201.

[0037] Please refer to Figure 1 As shown, in this embodiment, the elastic protrusions 102 can be respectively engaged with the connecting grooves 201. On the one hand, it can facilitate the locking of the lock ring assembly 300 and improve the efficiency when the first connecting portion 100 and the second connecting portion 200 are inserted. On the other hand, the elastic protrusions 102 and the connecting grooves 201 are engaged with each other to prevent the first connecting portion 100 and the second connecting portion 200 from rotating relative to each other, affecting the connection effect, and further ensuring the stability when the first connecting portion 100 and the second connecting portion 200 are connected.

[0038] Optionally, in some embodiments of this embodiment, an anti-slip assembly 303 is provided on the peripheral wall of the lock ring assembly 300. The anti-slip assembly 303 includes anti-slip stripes, protective protrusions or anti-slip sleeves.

[0039] Please refer to Figure 1 As shown, in this embodiment, by sliding or rotating the lock ring to switch between the locked position and the unlocked position, an anti-slip assembly 303 is provided on the peripheral wall of the lock ring assembly 300 to increase the friction, facilitating the operator to adjust the lock ring assembly 300 and preventing slippage. The anti-slip assembly 303 can be anti-slip stripes or anti-slip protrusions provided along the peripheral wall of the lock ring assembly 300, or an anti-slip sleeve can be directly sleeved on the lock ring assembly 300, as long as the anti-slip effect can be achieved, and this embodiment does not make a limitation.

[0040] Embodiment 2

[0041] This embodiment also provides an undercarriage of a drone, which includes a connecting seat 500, a carbon tube bonding assembly 600 and the quick-release joint of any one of the above. The connecting seat 500 is connected to the first connecting portion 100 of the quick-release joint, the carbon tube bonding assembly 600 is connected to the second connecting portion 200 of the quick-release joint, and the connecting seat 500 and the carbon tube bonding assembly 600 are detachably connected through the quick-release joint.

[0042] Please refer to Figure 4As shown, in this embodiment, the connecting seat 500 and the carbon tube bonding assembly 600 are connected by the above-mentioned quick-release joint, which is convenient and fast to disassemble and assemble, will not become loose after connection, and has high stability and safety.

[0043] It should be noted that, without conflict, the features in the embodiments of the present application can be combined with each other.

[0044] The above are only the preferred embodiments of the present application and are not used to limit the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included within the protection scope of the present application.

Claims

1. A quick-release connector, characterized in that: The invention comprises a first connecting part (100), a second connecting part (200), a locking ring assembly (300) and a limiting assembly (400), wherein one end of the first connecting part (100) is provided with a connecting slot (101), one end of the second connecting part (200) is inserted into the connecting slot (101), a plurality of elastic protrusions (102) are arranged at circumferential intervals at the edge of the connecting slot (101), the elastic protrusions (102) are locked with the second connecting part (200) after being deformed by force, and the locking ring assembly (300) is sleeved on the elastic protrusions (102). The locking ring assembly (300) is arranged on the outside of the elastic protrusion (102), and has a locking position for abutting against the elastic protrusion (102) to deform and lock the elastic protrusion (102), and an unlocking position for being separated from the elastic protrusion (102). The locking ring assembly (300) is driven to switch between the locking position and the unlocking position. The limiting assembly (400) is arranged on the first connecting part (100), and the limiting assembly (400) can be engaged with the locking ring assembly (300) to fix the locking ring assembly (300) in the locking position.

2. The quick-release connector according to claim 1, characterized in that: The elastic protrusion (102) and the locking ring assembly (300) are both provided with locking threads (103); the locking ring assembly (300) is threadedly connected to the elastic protrusion (102), and the locking ring assembly (300) switches between the locking position and the unlocking position by rotating.

3. The quick-release connector according to claim 1, characterized in that: The limiting assembly (400) comprises a limiting pin (401), a limiting groove (301) is provided on the locking ring assembly (300), and the limiting pin (401) is slidably arranged on the first connecting portion (100); when the locking ring assembly (300) is located at the locking position, the limiting pin (401) can be inserted into the limiting groove (301), so that the locking ring assembly (300) is fixed at the locking position.

4. The quick-release connector according to claim 3, characterized in that: The limiting assembly (400) further comprises a toggle block (402) and a return spring (403); the toggle block (402) is connected to the limiting latch (401) and is used to push the limiting latch (401) out of the limiting groove (301); and the return spring (403) provides elastic force to return the limiting latch (401) to an initial position.

5. The quick-release connector according to claim 3, characterized in that: A plurality of connection grooves (201) are arranged at intervals on the outer peripheral wall of the second connection portion (200), and the elastic protrusions (102) are respectively locked in the connection grooves (201).

6. The quick-release connector according to claim 4 or 5, characterized in that: A guiding inclined surface (302) is provided at the periphery of the limiting groove (301), and the guiding inclined surface (302) is used to guide the limiting latch (401) to be inserted into the limiting groove (301).

7. The quick-release connector according to claim 3, characterized in that: A plurality of the limiting grooves (301) are arranged at intervals on the second connection portion (200), and the limiting latch (401) can be locked in any of the limiting grooves (301).

8. The quick-release connector according to claim 1, characterized in that: An anti-slip component (303) is provided on the peripheral wall of the locking ring component (300).

9. The quick-release connector according to claim 8, characterized in that: The anti-skid component (303) comprises anti-skid stripes, protective protrusions or anti-skid sleeves.

10. A UAV landing gear, characterized in that: The invention comprises a connection seat (500), a carbon tube bonding assembly (600) and a quick-release joint as claimed in any one of claims 1 to 9, wherein the connection seat (500) is connected to the first connection part (100) of the quick-release joint, the carbon tube bonding assembly (600) is connected to the second connection part (200) of the quick-release joint, and the connection seat (500) and the carbon tube bonding assembly (600) are detachably connected via the quick-release joint.

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