CN212022969U - Quick detach subassembly and helicopter - Google Patents

Abstract

The utility model relates to a quick detach subassembly and helicopter, wherein, the quick detach subassembly is including being used for with first base member fixed connection's first mount pad (100) and being used for with second base member fixed connection's second mount pad (200), be provided with on the first mount pad along the axial locating part (300) that locking section (310) and unlocking section (320) formed in proper order, the external diameter of locking section is greater than the external diameter of unlocking section, the second mount pad is formed with breach (210) that can with locking section block, but locating part axial motion ground sets up on first mount pad, first mount pad and second mount pad are locked when the locating part moves locking section and stretches into the breach, the unblock when the locating part moves locking section and deviates from the breach. Like this, quick detach subassembly during the use spacing piece stretches into in the breach to can move for the breach along the axial, can realize the block of locking section and breach and break away from through the axial displacement position of spacing piece for the breach, and then realize the quick assembly disassembly of first mount pad and second mount pad.

Description

Quick detach subassembly and helicopter

Technical Field

The disclosure relates to the technical field of mechanical connecting piece dismounting, in particular to a quick-release assembly and a helicopter.

Background

For two components that need to be mechanically connected, when the structures of the two components do not have corresponding connection structures or the installation is complicated, the two components are usually fixedly connected by means of a connecting piece. Taking a helicopter as an example, in order to fix a tail pipe and increase the stability of the tail pipe, a support rod is additionally connected between the tail pipe and a fuselage, one end of the support rod is hinged on the tail pipe, and the other end of the support rod is detachably fixed on the fuselage through a connecting piece so as to be connected with the fuselage when the tail pipe is fixedly supported and separated from the fuselage and rotatably retracted when the tail pipe is not required to be fixedly supported. The connecting piece that current is used for fixing the bracing piece on the fuselage can produce the component of separation alone mostly when the dismouting, causes the component to lose easily to need with the help of corresponding instrument usually during the dismantlement, the waste time, assembly efficiency is not high.

SUMMERY OF THE UTILITY MODEL

An object of the disclosed embodiment is to provide a quick release assembly, which is easy to disassemble and assemble, and can effectively avoid the loss of parts.

It is another object of an embodiment of the present disclosure to provide a helicopter that is configured with a quick release assembly as provided by an embodiment of the present disclosure.

In order to achieve the above object, an embodiment of the present disclosure provides a quick release assembly, including a first mounting seat for being fixedly connected to a first substrate and a second mounting seat for being fixedly connected to a second substrate, wherein the first mounting seat is provided with a limiting member sequentially forming a locking section and an unlocking section along an axial direction, an outer diameter of the locking section is larger than an outer diameter of the unlocking section, the second mounting seat is provided with a notch capable of being engaged with the locking section,

the limiting part is axially movably arranged on the first mounting seat, the first mounting seat and the second mounting seat are locked when the limiting part moves to the locking section and extends into the gap, and the limiting part moves to the locking section and is unlocked when the locking section is separated from the gap.

Optionally, the quick release assembly further comprises a lock member capable of axially restraining the locking section in the notch.

Optionally, the limiting member is configured to be a cylindrical structure, the notch includes a first arc-shaped opening capable of being engaged with the locking section, and an opening width of the first arc-shaped opening is smaller than an outer diameter of the locking section and larger than an outer diameter of the unlocking section.

Optionally, the notch further includes a second arc-shaped opening matched with the unlocking section in shape, and the opening width of the second arc-shaped opening is greater than the outer diameter of the unlocking section.

Optionally, the first mounting seat is formed with a U-shaped groove, through holes for the limiting member to pass through are respectively formed in a first side plate and a second side plate of the U-shaped groove, the notch radially extends into the U-shaped groove to be clamped on the locking section, the quick release assembly further includes a spring elastically abutting against between an outer side of the first side plate and an end of the unlocking section, an end of the locking section is formed as a driving end for driving the limiting member to move axially, and the driving end is formed at an outer side of the second side plate.

Optionally, a head portion larger than the diameter of the through hole is formed at each of two ends of the limiting member, so that the limiting member is fixed on the first mounting seat.

Optionally, the outer diameter of the spring is larger than the diameter of the through hole on the first side plate and smaller than the diameter of the head of the unlocking section.

Optionally, the length of the locking section in the U-shaped slot is less than the maximum compressed length of the spring.

According to a second aspect of the embodiments of the present disclosure, there is provided a helicopter, including a fuselage, a tail pipe, and a support rod connected between the fuselage and the tail pipe, wherein one end of the support rod is hinged on the tail pipe, and the other end is fixed on the fuselage through a connector, the connector is a quick release assembly as described above, the fuselage forms the first base body, and the support rod forms the second base body.

Optionally, a mounting hole into which the end of the support rod extends is formed in the second mounting seat, a first fastening hole through which a fastening member radially passes is formed in a side wall of the mounting hole, a second fastening hole is radially formed in the end of the support rod, and the fastening member sequentially passes through the first fastening hole and the second fastening hole to fix the support rod to the second mounting seat.

Through the technical scheme, the limiting piece extends into the notch when the quick-release assembly is used, and can move relative to the notch along the axial direction, the locking section can be clamped and separated from the notch through the axial moving position of the limiting piece relative to the notch, and then the quick disassembly and assembly of the first installation seat and the second installation seat are realized. Namely, when the locking section of the limiting member moves to be in contact with the notch, the first mounting seat is fixedly connected with the second mounting seat through the radial clamping of the locking section and the notch; and when the locking section of the limiting part moves to be separated from the notch, the notch is radially separated from the unlocking section to realize the separation of the first mounting seat and the second mounting seat. This quick detach subassembly easy dismounting can not produce the spare part of independent separation among the dismouting process, can effectively avoid the spare part to lose to do not need corresponding instrument during the dismantlement, realize exempting from instrument quick detach.

Additional features and advantages of embodiments of the present disclosure will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosed embodiments and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the principles of the disclosure. In the drawings:

FIG. 1 is an assembled schematic view of a quick release assembly provided in accordance with an exemplary embodiment of the present disclosure;

FIG. 2 is an assembled view of the quick release assembly shown in FIG. 1 at another angle;

FIG. 3 is an exploded view of a portion of the quick release assembly shown in FIG. 1;

FIG. 4 is a schematic view of a second mount of the quick release assembly shown in FIG. 1;

FIG. 5 is a schematic view of another angle of the second mount of the quick release assembly shown in FIG. 1;

FIG. 6 is a schematic view of a limiting member of the quick release assembly shown in FIG. 1;

FIG. 7 is a schematic illustration of the quick release assembly shown in FIG. 1 attached to the fuselage of a helicopter;

fig. 8 is a partially enlarged view of a portion a in fig. 7.

Description of the reference numerals

100 first mounting seat 110 first side plate

120 second side plate 200 second mounting seat

210 notch 211 first arc opening

212 second arc opening 220 mounting hole

230 first fastening hole 300 stop

310 locking section 320 unlocking section

400 spring 10 fuselage

20 tail pipe 30 support rod

40 fastener

Detailed Description

Specific embodiments of the disclosed embodiments are described in detail below with reference to the accompanying drawings. It is to be understood that the description herein of specific embodiments is only for purposes of illustrating and explaining the embodiments of the present disclosure, and is not intended to limit the embodiments of the present disclosure.

In the disclosed embodiments, directional words such as "inner" and "outer" are used to refer to the inner and outer of the corresponding component profiles, unless otherwise specified. In addition, the terms "first", "second", and the like used in the embodiments of the present disclosure are for distinguishing one element from another, and have no order or importance. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated.

Referring to fig. 1 to 3, the disclosed embodiment provides a quick release assembly, which includes a first mounting seat 100 for being fixedly connected with a first substrate and a second mounting seat 200 for being fixedly connected with a second substrate, so that the first substrate and the second substrate can be connected and separated by disassembling and assembling the first mounting seat 100 and the second mounting seat 200. The first mounting base 100 is provided with a limiting member 300 which sequentially forms a locking section 310 and an unlocking section 320 along an axial direction, an outer diameter of the locking section 310 is larger than an outer diameter of the unlocking section 320, the second mounting base 200 is provided with a notch 210 which can be engaged with the locking section 310, and the limiting member 300 is axially movably arranged on the first mounting base 100.

In this way, when the quick release assembly is in use, the limiting member 300 extends into the notch 210 and can move relative to the notch 210 along the axial direction, and the locking section 310 can be engaged with and disengaged from the notch 210 through the axial movement position of the limiting member 300 relative to the notch 210, so as to quickly disassemble and assemble the first mounting seat 100 and the second mounting seat 200. That is, when the limiting member 300 moves until the locking section 310 extends into the notch 210, the locking section 310 and the notch 210 are radially engaged and locked, so as to realize the fixed connection between the first mounting seat 100 and the second mounting seat 200; when the limiting member 300 moves to the locking section 310 to be out of the notch 210, the notch 210 can be radially out of the unlocking section 320 to be unlocked, so that the first mounting seat 100 and the second mounting seat 200 can be separated. This quick detach subassembly easy dismounting can not produce the spare part of independent separation among the dismouting process, can effectively avoid the spare part to lose to do not need corresponding instrument during the dismantlement, can realize exempting from instrument quick detach.

Further, the quick release assembly may further include a locking member capable of axially restraining the locking section 310 in the notch 210, and the locking member may be, for example, a spring 400 described below, or may have other structural forms, which is not limited in the embodiment of the present disclosure. Through setting up the locking piece, when locking section 310 and breach 210 radial block, the locking piece can be with locating part 300 axial locking in this position, avoids locating part 300 along the free drunkenness of axial, and then links firmly first mount pad 100 and second mount pad 200 together.

According to some embodiments, referring to fig. 1 to 3, the stopper 300 may be configured as a cylindrical structure including adjacent stepped shafts, the shaft having a large outer diameter being formed as the locking section 310, and the shaft having a small outer diameter being correspondingly formed as the unlocking section 320. Referring to fig. 4 and 5, the notch 210 may include a first arc-shaped opening 211 capable of being engaged with the locking section 310, wherein an opening width of the first arc-shaped opening 211 is smaller than an outer diameter of the locking section 310 and larger than an outer diameter of the unlocking section 320, so that the quick release assembly is assembled through radial engagement limitation of the first arc-shaped opening 211 and the locking section 310, and the quick release assembly is disassembled through radial disengagement of the first arc-shaped opening 211 and the unlocking section 320.

Further, as shown in fig. 4 and 5, the notch 210 may further include a second arc-shaped opening 212 matching with the unlocking section 320 in shape, the second arc-shaped opening 212 and the first arc-shaped opening 212 are axially formed in sequence, and the opening width of the second arc-shaped opening 212 is greater than the outer diameter of the unlocking section 320, so that when the locking section 310 moves axially to be disengaged from the first arc-shaped opening 211, the unlocking section 320 can allow the first arc-shaped opening 211 and the second arc-shaped opening 212 to be simultaneously disengaged radially, thereby completing the detachment of the first mounting seat 100 and the second mounting seat 200. Referring to fig. 5, the first and second arc- shaped openings 211 and 212 may have opening widths of the same size, with arc-shaped body portions sized to match the respective locking and unlocking sections 310 and 320, respectively, i.e., a stepped surface is formed between the first and second arc- shaped openings 211 and 212. The notch 210 is provided with the first arc-shaped opening 211 and the second arc-shaped opening 212, so that the notch 210 can be always attached to the limiting member 300 in the axial movement process, and a certain guiding effect is exerted on the limiting member 300.

In an embodiment provided by the present disclosure, referring to fig. 3, the first mounting seat 100 may be formed with a U-shaped groove, through holes for the limiting element 300 to pass through are respectively formed on the first side plate 110 and the second side plate 120 of the U-shaped groove, the limiting element 300 passes through the U-shaped groove and is fixed on the first mounting seat 100, a portion of the limiting element extending into the U-shaped groove at least includes a partial locking section 310, and the notch 210 radially extends into the U-shaped groove to be capable of being clamped on the locking section 310. The quick release assembly may further include a spring 400 (i.e., the locking member) elastically abutting against an outer side of the first side plate 110 and an end of the unlocking section 320, wherein the end of the locking section 310 is formed as a driving end for driving the limiting member 300 to move axially, and the driving end is formed on an outer side of the second side plate 120. Thus, in a normal state, the limiting member 300 passes through the U-shaped groove, and the spring 400 is in a natural extension state and abuts against the end of the first side plate 110 and the end of the unlocking section 320, so as to axially limit and fix the limiting member 300 on the first mounting seat 100. When the first mounting seat 100 and the second mounting seat 200 are assembled, the end of the locking section 310 is driven to move axially outwards, the spring 400 is gradually compressed, when the limiting member 300 moves axially until the locking section 310 completely exits from the U-shaped groove, the notch 210 radially extends into the U-shaped groove from the unlocking section 320, the driving force applied to the locking section 310 is removed, the locking section 310 moves axially towards the inside of the U-shaped groove under the elastic restoring acting force of the spring 400 until the spring 400 is in a natural extension state again, at this time, the locking section 310 is in contact with the notch 210 and is radially clamped, and the first side plate 110 and the second side plate 120 can limit the axial movement of the second mounting seat 200, so that the first mounting seat 100 and the second mounting seat 200 are fixedly connected; when the first installation seat 100 and the second installation seat 200 need to be disassembled, the end of the locking section 310 is driven outward to move axially again, the spring 400 is gradually compressed, and the notch 210 is radially separated from the unlocking section 320 to the U-shaped groove when the limiting member 300 moves axially until the locking section 310 completely exits the U-shaped groove, so that the first installation seat 100 and the second installation seat 200 are separated. In the whole process, the quick-release assembly does not generate an independent separating part, and the quick-release assembly is only disassembled or assembled through the axial movement of the limiting part 300 and the elastic action of the spring 400, so that the quick-release assembly is convenient to operate and quick in disassembling and assembling speed.

It should be noted that in the embodiment where the notch 210 includes the first arc-shaped opening 211 and the second arc-shaped opening 212, when the spring 400 is in the natural extension state, the portion of the limiting member 300 extending into the U-shaped groove should include both the partial locking section 310 and the partial unlocking section 320 to be in arc contact with the first arc-shaped opening 211 and the second arc-shaped opening 212, respectively. In the embodiment where the notch 210 includes only the first arc-shaped opening 211, when the spring 400 is in the natural extension state, the portion of the limiting member 300 extending into the U-shaped groove may include only the locking section 310, or may include both the locking section 310 and the unlocking section 320, which can be reasonably set by those skilled in the art according to actual needs, and the disclosure is only described by taking the notch 210 including the first arc-shaped opening 211 and the second arc-shaped opening 212 as an example.

Further, referring to fig. 6, two ends of the limiting member 300 may be respectively formed with a head portion having a diameter larger than that of the corresponding through hole on the first side plate 110 and the second side plate 120, so as to fix the limiting member 300 on the first mounting seat 100 and prevent the two ends from being separated from the U-shaped groove. According to some embodiments, the retaining member 300 may include a first body and a second body detachably connected, one of the first body and the second body may be formed as a locking segment 310, and the other of the first body and the second body may be correspondingly formed as an unlocking segment 320, and the first body and the second body may be detachably connected, for example, by a thread form. One of the first body and the second body, which is formed as the locking section 310, may be made of a material such as PVC, and the second mounting seat 200, which is correspondingly engaged with the locking section 310, may also be made of a material such as PVC, so that the rigid wear between the notch 210 and the locking section 310 may be reduced, and the service life of the quick release assembly may be prolonged. According to other embodiments, the limiting member 300 may also be a combination of a bolt and a nut, a head of the bolt is formed as a head of one end of the limiting member 300, and the nut is correspondingly formed as a head of the other end of the limiting member 300.

Further, the outer diameter of the spring 400 is larger than the diameter of the through hole on the first side plate 110 and smaller than the diameter of the head of the unlocking section 320, so that the spring 400 can be fixedly limited between the first side plate 110 and the head of the unlocking section 320, and the spring 400 is prevented from falling and losing.

In addition, when the spring 400 is in a natural extension state, the length of the locking section 310 in the U-shaped groove should be smaller than the maximum compression length of the spring 400, so that when the spring 400 is compressed to the limit position, the locking section 310 can axially move to be completely removed from the U-shaped groove, and a part capable of being clamped with the notch 210 is avoided.

Referring to fig. 7, the disclosed embodiment further provides a helicopter, which includes a fuselage 10, a tail pipe 20, and a support rod 30 connected between the fuselage 10 and the tail pipe 20, wherein one end of the support rod 30 is hinged on the tail pipe 20, and the other end is fixed on the fuselage 10 through a connector. The connecting member is the quick release assembly, the body 10 is formed as the first base, and the support rod 30 is correspondingly formed as the second base. The helicopter has all the advantages of the quick release assembly, and the details are not repeated herein. In addition, the helicopter provided by the embodiment of the disclosure can be a helicopter piloted by a pilot or can also be an unmanned helicopter.

Further, referring to fig. 4 and 8, a mounting hole 220 into which an end portion of the support rod 30 extends may be formed in the second mounting seat 200, a first fastening hole 230 through which the fastening member 40 radially passes may be opened in a sidewall of the mounting hole 220, a second fastening hole may be opened in the end portion of the support rod 30 radially, and the fastening member 40 sequentially passes through the first fastening hole 230 and the second fastening hole to fix the support rod 30 to the second mounting seat 200. The fastening member 40 may be a threaded fastening member, and the first fastening hole 230 and the second fastening hole may be correspondingly threaded fastening holes, so that the support rod 30 is fixedly connected to the second mounting seat 200 by means of a threaded connection.

Further, referring to fig. 7 and 8, the first mounting seat 100 may be a mounting member for attaching the landing gear of the helicopter to the fuselage 10, and the support rods 30 are fixedly supported between the landing gear on both sides of the fuselage 10 and the tail pipe 20 arranged along the longitudinal centerline of the fuselage 10, so that the support rods 30 on both sides of the fuselage 10 and the tail pipe 20 form a triangular support structure, thereby improving the stability of the tail pipe 20.

Preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the embodiments of the present disclosure are not limited to the specific details of the embodiments, and various simple modifications may be made to the technical solutions of the embodiments of the present disclosure within the technical concept scope of the embodiments of the present disclosure, and the simple modifications all belong to the protective scope of the embodiments of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the foregoing embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not separately described in the embodiments of the present disclosure.

In addition, any combination of various different implementation manners of the embodiments of the present disclosure can be performed, and the embodiments of the present disclosure should be considered as disclosed in the embodiments of the present disclosure as long as the combinations do not depart from the spirit of the embodiments of the present disclosure.

Claims (10)

1. A quick-release assembly comprises a first mounting seat (100) fixedly connected with a first base body and a second mounting seat (200) fixedly connected with a second base body, and is characterized in that a limiting piece (300) which sequentially forms a locking section (310) and an unlocking section (320) along the axial direction is arranged on the first mounting seat (100), the outer diameter of the locking section (310) is larger than that of the unlocking section (320), a notch (210) capable of being clamped with the locking section (310) is formed in the second mounting seat (200),

the limiting piece (300) is axially movably arranged on the first installation seat (100), the first installation seat (100) and the second installation seat (200) are locked when the limiting piece (300) moves to the locking section (310) and extends into the gap (210), and are unlocked when the limiting piece (300) moves to the locking section (310) and is separated from the gap (210).

2. The quick release assembly of claim 1 further comprising a lock configured to axially restrain the lock section (310) in the notch (210).

3. The quick release assembly of claim 1, characterized in that the retainer (300) is configured as a cylindrical structure, the notch (210) comprises a first arc-shaped opening (211) capable of engaging with the locking segment (310), and the opening width of the first arc-shaped opening (211) is smaller than the outer diameter of the locking segment (310) and larger than the outer diameter of the unlocking segment (320).

4. The quick release assembly of claim 3 wherein the notch (210) further comprises a second arcuate opening (212) shaped to match the unlocking section (320), the second arcuate opening (212) having an opening width greater than the outer diameter of the unlocking section (320).

5. The quick release assembly according to claim 3, characterized in that the first mounting seat (100) is formed with a U-shaped groove, through holes for passing the limiting member (300) are respectively opened on a first side plate (110) and a second side plate (120) opposite to the U-shaped groove, the notch (210) radially extends into the U-shaped groove to be clamped on the locking section (310), the quick release assembly further comprises a spring (400) elastically abutting against between an outer side of the first side plate (110) and an end of the unlocking section (320), an end of the locking section (310) is formed as a driving end for driving the limiting member (300) to move axially, and the driving end is formed on an outer side of the second side plate (120).

6. The quick release assembly of claim 5, characterized in that the two ends of the limiting member (300) are respectively formed with a head portion larger than the diameter of the through hole to fix the limiting member (300) on the first mounting seat (100).

7. The quick release assembly of claim 6 wherein the outer diameter of the spring (400) is greater than the diameter of the through hole in the first side plate (110) and less than the diameter of the head of the unlocking section (320).

8. A quick release assembly according to any of claims 5-7, characterized in that the length of the locking section (310) in the U-shaped groove is less than the maximum compressed length of the spring (400).

9. Helicopter comprising a fuselage (10), a tail pipe (20) and a support bar (30) connected between the fuselage (10) and the tail pipe (20), the support bar (30) being hinged at one end to the tail pipe (20) and fixed at the other end to the fuselage (10) by means of a connection, characterized in that the connection is a quick release assembly according to any of claims 1-8, the fuselage (10) forming the first base body and the support bar (30) forming the second base body.

10. A helicopter according to claim 9, characterized in that the second mounting seat (200) is formed with a mounting hole (220) into which the end of the support rod (30) extends, the side wall of the mounting hole (220) is provided with a first fastening hole (230) through which a fastening member (40) radially passes, the end of the support rod (30) is provided with a second fastening hole radially, and the fastening member (40) sequentially passes through the first fastening hole (230) and the second fastening hole to fix the support rod (30) to the second mounting seat (200).

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