CN218142083U

CN218142083U - Arm hinge structure and aircraft

Info

Publication number: CN218142083U
Application number: CN202222872424.XU
Authority: CN
Inventors: 胡华智; 肖启伟
Original assignee: Ehang Intelligent Equipment Guangzhou Co Ltd
Current assignee: Ehang Intelligent Equipment Guangzhou Co Ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2022-12-27
Anticipated expiration: 2032-10-31

Abstract

The utility model discloses an arm hinge structure, including fixing base, horn and have elastic adapter sleeve, be equipped with adjacent first connecting block and the first through-hole that sets up on the fixing base, the tip of horn is equipped with adjacent second connecting block and the second through-hole that sets up, first connecting block rotates to be connected in the second connecting block, the adapter sleeve has head end and tail end, the head end of adapter sleeve wears to locate first through-hole, and the lateral wall of the head end of adapter sleeve pastes in the inside wall of first through-hole, the tail end of adapter sleeve wears to locate the second through-hole; can pass cables such as the cable of aircraft, data pencil in the adapter sleeve, avoid the cable to expose, the lateral wall of the head end of adapter sleeve laminates mutually with the inside wall of first through-hole, prevents moist air or rainwater to invade the organism at fixing base place.

Description

Arm hinge structure and aircraft

Technical Field

The utility model relates to an airborne vehicle technical field especially relates to an arm hinge structure and aircraft.

Background

The horn of aircraft can turn over a book upwards in order to promote its adaptability of parking, because arranged a plurality of cables between the organism of aircraft and the horn, consequently turns over a back upwards at the horn, and the cable between organism and the horn can expose outside, suffers destruction easily. Meanwhile, a gap is reserved between the cable and the machine body, when the aircraft is parked in an open environment, moist air and rainwater easily invade the machine body, and electronic components inside the machine body are damaged or short-circuited.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a horn hinge structure and aircraft to solve the exposed problem of current cable.

The purpose of the utility model is realized by adopting the following technical scheme:

a machine arm hinge structure comprises a fixed seat, a machine arm and an elastic connecting sleeve;

the fixed seat is provided with a first connecting block and a first through hole which are arranged adjacently, the end part of the machine arm is provided with a second connecting block and a second through hole which are arranged adjacently, and the first connecting block is rotatably connected with the second connecting block; the connecting sleeve is provided with a head end and a tail end, the head end of the connecting sleeve is arranged in the first through hole in a penetrating mode, the outer side wall of the head end of the connecting sleeve is attached to the inner side wall of the first through hole, and the tail end of the connecting sleeve is arranged in the second through hole in a penetrating mode.

In some optional embodiments, the fixing seat is provided with a fixing plate, the fixing plate and the first connecting block are adjacently arranged, and the fixing plate is provided with the first through hole.

In some optional embodiments, the head end of the connecting sleeve is provided with a first sealing element, and the first sealing element is attached to one side of the fixing plate facing the horn.

In some optional embodiments, the head end of the connecting sleeve is provided with a second sealing element arranged in parallel with the first sealing element, and the second sealing element is attached to a side of the fixing plate away from the horn.

In some optional embodiments, the side wall of the connecting sleeve is corrugated in cross section.

In some optional embodiments, the head end of the connecting sleeve is provided with a guide pipe communicated with the connecting sleeve.

In some optional embodiments, the guide tube is made of rubber.

In some optional embodiments, the connecting sleeve is made of rubber.

In some optional embodiments, a gap is formed between the outer side wall of the tail end of the connecting sleeve and the inner side wall of the second through hole.

In order to solve the same technical problem, the utility model also provides an aircraft, include as above-mentioned horn hinge structure.

Compared with the prior art, the beneficial effects of the utility model reside in that:

can pass cables such as aircraft's cable, data pencil in the connecting sleeve, avoid the cable to expose, the lateral wall of the head end of connecting sleeve laminates mutually with the inboard wall of first through-hole, prevents humid air or rainwater to invade the organism at fixing base place.

Drawings

Fig. 1 is a schematic view of the entire structure of the articulated structure of the boom of the utility model;

fig. 2 is a partially exploded view of the articulated structure of the boom according to the present invention;

fig. 3 is a schematic structural view of the fixing base of the articulated structure of the boom of the utility model;

in the figure: 10. a fixed seat; 11. a first connection block; 12. a first through hole; 13. a fixing plate; 20. a boom; 21. a second connecting block; 22. a second through hole; 30. connecting sleeves; 31. a first seal member; 32. a second seal member; 33. a guide tube.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example 1

Referring to fig. 1 to 3, a boom hinge structure of the present invention is schematically shown, including a fixing base 10, a boom 20 and a connecting sleeve 30, wherein the connecting sleeve 30 has elasticity.

Referring to fig. 2 and 3, the fixing base 10 is provided with a first connecting block 11 and a first through hole 12 which are adjacently arranged, the first connecting block 11 is provided with a first connecting hole, the end of the horn 20 is provided with a second connecting block 21 and a second through hole 22 which are adjacently arranged, and the second connecting block 21 is provided with a second connecting hole.

The first connecting block 11 is rotatably connected to the second connecting block 21, and specifically, the rotating shaft penetrates through the first connecting hole and the second connecting hole, so that the first connecting block 11 and the second connecting block 21 are hinged together. The connecting sleeve 30 has a head end and a tail end, the head end of the connecting sleeve 30 is inserted into the first through hole 12, and the outer sidewall of the head end of the connecting sleeve 30 is attached to the inner sidewall of the first through hole 12 to prevent external humid air or rainwater from entering the body where the fixing base 10 is located from the first through hole 12, and the tail end of the connecting sleeve 30 is inserted into the second through hole 22. The aircraft's cables can be passed through the connection sleeve 30 in order to avoid damage from the cables being exposed. A gap is arranged between the outer side wall of the tail end of the connecting sleeve 30 and the inner side wall of the second through hole 22, so that the tail end of the connecting sleeve 30 can slide relative to the second through hole 22.

Further, the fixing seat 10 is provided with a fixing plate 13, the fixing plate 13 is adjacent to the first connecting block 11, the fixing plate 13 is fixed to the first connecting block 11, and a first through hole 12 is formed in the fixing plate 13. The head end of the connecting sleeve 30 is provided with a first sealing element 31 and a second sealing element 32, the first sealing element 31 and the second sealing element 32 are parallel to each other, the first sealing element 31 is attached to one side of the fixing plate 13 facing the horn 20, the second sealing element 32 is attached to one side of the fixing plate 13 far away from the horn 20, namely, the first sealing element 31 and the second sealing element 32 are respectively attached to two sides of the fixing plate 13, and the first sealing element 31 and the fixing plate 13 are in surface contact, and the second sealing element 32 and the fixing plate 13 are also in surface contact, so that the sealing performance between the connecting sleeve 30 and the fixing seat 10 can be further improved.

The side wall of the connecting sleeve 30 is corrugated in section to provide elasticity to the connecting sleeve 30, and when the horn 20 is folded relative to the fixing base 10, the connecting sleeve 30 can bend or stretch along with the movement of the horn 20. The head end of the connecting sleeve 30 is provided with a guide pipe 33 communicated with the connecting sleeve, and the guide pipe 33 can guide the cable to adapt to the wiring harness layout in the machine body.

In this embodiment, the guide tube 33 is made of rubber, and the connection sleeve 30 is made of rubber.

Example 2

In order to solve the same technical problem, the present embodiment further provides an aircraft including the arm hinge structure as described above.

In summary, cables such as cables of an aircraft and data harnesses can pass through the connecting sleeve 30, so as to prevent the cables from being exposed, and the outer side wall of the head end of the connecting sleeve 30 is attached to the inner side wall of the first through hole 12, so as to prevent moist air or rainwater from invading the machine body where the fixing base 10 is located.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A machine arm hinge structure is characterized by comprising a fixed seat, a machine arm and an elastic connecting sleeve;

2. The boom hinge assembly of claim 1, wherein the fixing base has a fixing plate, the fixing plate is adjacent to the first connecting block, and the fixing plate has the first through hole.

3. A boom hinge construction according to claim 2, characterized in that the head end of the connecting sleeve is provided with a first sealing element, which is attached to the side of the fixing plate facing the boom.

4. A boom hinge structure according to claim 3, wherein the head end of the connecting sleeve is provided with a second sealing element arranged in parallel with the first sealing element, and the second sealing element is attached to a side of the fixing plate away from the boom.

5. The boom hinge structure according to claim 1, wherein a sidewall of the connection sleeve has a corrugated shape in section.

6. The boom hinge structure according to claim 1, wherein the head end of the connecting sleeve is provided with a guide tube communicated therewith.

7. The boom hinge structure according to claim 6, wherein the guide tube is made of rubber.

8. The boom hinge structure of claim 1, wherein the connecting sleeve is made of rubber.

9. The boom hinge structure according to claim 1, wherein a gap is provided between an outer sidewall of the tail end of the connecting sleeve and an inner sidewall of the second through hole.

10. An aircraft comprising an arm hinge structure according to any one of claims 1 to 9.