CN217873656U

CN217873656U - Pin shaft butt joint piece and part locking and connecting mechanism

Info

Publication number: CN217873656U
Application number: CN202222146552.6U
Authority: CN
Inventors: 胡华智; 黄章飞
Original assignee: Ehang Intelligent Equipment Guangzhou Co Ltd
Current assignee: Ehang Intelligent Equipment Guangzhou Co Ltd
Priority date: 2022-08-16
Filing date: 2022-08-16
Publication date: 2022-11-22
Anticipated expiration: 2032-08-16

Abstract

The utility model provides a round pin axle is to joint piece for with round pin axle fastening connection, include: the fixed seat, a pin shaft positioned in the fixed seat and butted with the rotating shaft and the locking sleeve; the pin roll butt joint rotating shaft is provided with a pin roll butt joint part for accommodating the end part of the pin roll, and the first end part of the pin roll butt joint rotating shaft extends to the outside of the fixed seat; the locking sleeve is sleeved on the pin shaft butt joint rotating shaft, and the top end of the locking sleeve is in contact with the bottom end of the pin shaft butt joint part; the locking sleeve pipe passes through the locating part and links to each other with the fixing base, makes the locking sleeve pipe irrotational for the fixing base. The utility model also provides a part locking coupling mechanism for make first part and second part link to each other, including setting up the round pin axle on first part and setting up the round pin axle butt joint spare that this application provided on the second part. The utility model discloses simple structure realizes the locking or the unblock of round pin axle through rotating round pin axle butt joint pivot, easy operation, good reliability.

Description

Pin shaft butt joint piece and part locking and connecting mechanism

Technical Field

The utility model relates to an airborne vehicle technical field especially relates to a round pin axle butt joint spare and part locking coupling mechanism.

Background

Modern aircraft are generally designed as relatively independent components which can be disassembled during transition and transportation and quickly assembled during use; therefore, a convenient, safe and reliable connection locking mode is very necessary. With the rapid development of the technology, the user experience requirements of the product are higher and higher, for example, the assembly and disassembly efficiency of each component affects the use experience and determines the cost economy.

In the prior art, most of parts are connected through fasteners, and the method can better meet the strength requirement of a connection structure to a certain extent, but the operation of the connection method in installation is difficult due to the limitation of the structure. On the other hand, the connection between most of the components requires high installation accuracy, and the connection form of the fasteners requires that each limiting part has high matching accuracy and installation accuracy, or even requires additional matching or positioning tools in some cases. This is both a higher requirement for parts machining and installation and is also extremely inconvenient to assemble or disassemble.

SUMMERY OF THE UTILITY MODEL

The features and advantages of the present invention are set forth in part in the description which follows, or may be obvious from the description, or may be learned by practice of the invention.

For overcoming the problem of prior art, the utility model provides a round pin axle joint spare for with round pin axle fastening connection, include: the fixed seat, a pin shaft positioned in the fixed seat and butted with the rotating shaft and the locking sleeve; wherein:

the pin shaft butt joint rotating shaft is provided with a pin shaft butt joint part for accommodating the end part of a pin shaft, and the first end part of the pin shaft butt joint rotating shaft extends to the outside of the fixed seat;

the locking sleeve is sleeved on the pin shaft butt joint rotating shaft, and the top end of the locking sleeve is contacted with the bottom end of the pin shaft butt joint part;

the locking sleeve pipe pass through the locating part with the fixing base links to each other, the locating part makes the locking sleeve pipe for the fixing base irrotational.

In one embodiment of the present application, the pin joint part includes a pin receiving cavity and a slot communicating with the pin receiving cavity.

In one embodiment of the present application, the slot includes an entrance slot and a sliding slot that communicate with each other.

In one embodiment of the present application, the fixing base includes a hollow cylinder, and a top cover and a bottom plate respectively fixed at two ends of the hollow cylinder, and the hollow cylinder is provided with a through hole corresponding to the inlet slot.

In one embodiment of the present application, the bottom end of the butt-joint portion of the pin shaft is provided with a first tooth, and the top end of the locking sleeve is provided with a second tooth engaged with the first tooth.

In one embodiment of the present application, the stop is a latch key.

In an embodiment of the present application, a first pin key groove is formed on an inner wall of the fixing base, and a length of the first pin key groove is greater than a length of the stop pin key.

In one embodiment of the present application, the locking device further comprises a first spring, which is sleeved on the locking sleeve.

In an embodiment of the present application, the hinge pin butt joint device further includes a second spring, the second spring is sleeved on the hinge pin butt joint rotating shaft, and one end of the second spring is in contact with the top end of the hinge pin butt joint portion.

This application still provides a part locking coupling mechanism for make first part and second part link to each other, including setting up round pin axle and setting on the first part are in the round pin axle butt joint spare that this application provided on the second part.

The utility model provides a round pin axle butt joint spare and part locking coupling mechanism, simple structure realizes the locking or the unblock of round pin axle through rotating round pin axle butt joint pivot, easy operation, good reliability.

The features and content of these solutions will be better understood by those skilled in the art from reading the present description.

Drawings

The advantages and mode of realisation of the invention will become more apparent hereinafter by describing in detail the invention with reference to the attached drawings, wherein the content shown in the drawings is only for explaining the invention, without constituting any limitation to the meaning of the invention, in which:

fig. 1 is the structural schematic diagram of the pin shaft butt joint part according to the embodiment of the present invention.

Fig. 2 is a schematic structural view of a fixing base according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of the hollow cylinder according to the embodiment of the present invention.

Fig. 4 is a first schematic structural view of the hinge pin butt joint rotating shaft according to the embodiment of the present invention.

Fig. 5 is a schematic structural diagram of the hinge pin butt joint rotating shaft according to the embodiment of the present invention.

Fig. 6 is a schematic structural diagram of the component locking connection mechanism according to the embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a pin shaft according to an embodiment of the present invention.

Reference numerals are as follows:

10. a fixed seat; 11. a top cover; 12. a hollow cylinder; 13. a base plate; 14. a through hole; 15. a first pin keyway; 20. the pin shaft is butted with the rotating shaft; 21. a pin shaft butt joint part; 23. grooving; 24. a pin shaft accommodating cavity; 25. a first tooth; 26. the pin shaft is butted with the first end part of the rotating shaft; 30. a locking sleeve; 31. a second tooth; 32. a second pin keyway; 40. a limiting member; 51. a first spring; 52. a second spring; 100. a pin shaft butt joint piece; 200. a pin shaft;

Detailed Description

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "inner", "outer", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are given in the accompanying drawings. This application 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.

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 application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

Example 1

As shown in fig. 1 to 4, the present application provides a pin joint for fastening with a pin, comprising: the fixed seat 10 and the pin shaft positioned in the fixed seat 10 are in butt joint with the rotating shaft 20 and the locking sleeve 30.

Fixing base 10 includes cavity barrel 12 and fixes top cap 11, the bottom plate 13 at cavity barrel both ends respectively, and top cap 11, bottom plate 13 can pass through the bolt fastening at the both ends of cavity barrel 12, and the setting of top cap 11, bottom plate 13 can prevent to be located the round pin axle butt joint pivot 20, the locking sleeve 30 roll-off of fixing base 10. In another embodiment of the present application, the top cover 11 or the bottom plate 13 may be formed integrally with the hollow cylinder 12. The side wall of the hollow cylinder 12 is provided with a through hole 14, and the through hole 14 is used for a pin shaft to pass through.

The pin shaft butt joint rotating shaft 20 is located in the hollow cylinder 12 and can rotate relative to the fixed seat 10. The pin-shaft butt-joint rotating shaft 20 is provided with a pin-shaft butt-joint portion 21 for accommodating an end portion of the pin shaft, and a first end portion 26 of the pin-shaft butt-joint rotating shaft 20 extends to the outside of the fixing base 10. In this embodiment, the pin abutting portion 21 is disposed at a second end portion of the pin abutting rotation shaft 20. The pin joint shaft 20 can be rotated by sleeving the wrench on the first end 26 of the pin joint shaft 20.

The pin abutting portion 21 includes a pin receiving cavity 24 and a slot 23 communicating with the pin receiving cavity 24. The open slot 23 comprises an inlet slot corresponding to the through hole 14 on the hollow cylinder 12 and a sliding slot communicated with the inlet slot, the central lines of the inlet slot and the sliding slot are positioned on the same plane, and the plane is perpendicular to the axis of the hollow cylinder 12. The size of the entrance slot can be the same as that of the through hole 14, and the end part of the pin shaft can freely enter and exit. The axial height of the sliding groove is smaller than the axial height of the entrance groove, so that the end of the pin located in the pin receiving cavity 24 is prevented from sliding out. When the pin shaft is required to be butted and connected with the pin shaft butting piece, the pin shaft sequentially penetrates through the through hole 14 and the entrance slot to enter the pin shaft accommodating cavity 24, and then the pin shaft butting rotating shaft 20 is rotated to enable the pin shaft to slide into one end of the sliding slot, which is far away from the entrance slot.

The locking sleeve 30 is located in the fixing seat 10 and sleeved on the pin shaft butt joint rotating shaft 20. The locking sleeve 30 is connected to the fixing base 10 through a limiting member 40, and the limiting member 40 makes the locking sleeve 30 not rotate relative to the fixing base 10. In the present embodiment, the limiting member 40 is a lock pin key. At this time, the inner wall of the fixing seat 10 is provided with a first pin key groove 15, the locking sleeve 30 is provided with a second pin key groove 32 corresponding to the first pin key groove 15, and the locking pin key is located in a space enclosed by the first pin key groove 15 and the second pin key groove 32.

The top end of the locking sleeve 30 contacts the bottom end of the pin interfacing portion 21, thereby preventing the pin interfacing portion 21 from slipping axially. In this embodiment, the locking sleeve 30 includes a sleeve main body and a locking portion connected together, and the locking portion is located at the top end of the locking sleeve 30 and has a radial diameter larger than that of the sleeve main body.

The first spring 51 is fitted over the locking sleeve 30. More specifically, the first spring 51 is sleeved on the sleeve main body, and one end of the first spring 51 contacts with the bottom of the fixing base 10, and the other end contacts with the locking portion. The spring force of the first spring may bring the locking sleeve 30 into contact with the pin abutment 21 and lock the latter.

In order to increase the connection between the top end of the locking sleeve 30 and the bottom end of the pin abutment 21, the bottom end of the pin abutment is provided with a first tooth 25 and the top end of the locking sleeve (i.e. the locking portion) is provided with a second tooth 31 which engages with the first tooth 25. In this embodiment, the two tooth surfaces of the first tooth 25 have different inclination angles, that is, the first tooth 25 is a ratchet, so that the pin abutting portion 21 can rotate along the entrance slot toward the sliding slot without sliding down the locking sleeve 30.

In order to facilitate the separation of the pin from the pin interfacing part, in the present embodiment, the length of the first pin key groove 15 on the inner wall of the fixing base 10 is greater than that of the limiting part 40, so that the locking sleeve 30 can be separated from the pin interfacing part 21 when the first spring 51 is compressed by the locking sleeve 30. In order to facilitate the sliding down operation of the locking sleeve 30, the sleeve body in the locking sleeve 30 may be extended to the outside of the fixing base 10.

The round pin axle butt joint spare that this embodiment provided, round pin axle butt joint pivot can rotate for the fixing base, and the locking sleeve pipe is because of the limiting displacement relatively fixed in on the fixing base of locating part, but the locking sleeve pipe can slide to the axial direction of round pin axle butt joint pivot, thereby the elasticity of first spring makes locking sleeve pipe and round pin axle butt joint pivot contact carry out the locking of unidirectional rotation to the latter.

Example 2

This embodiment provides a round pin axle is to joint piece for with round pin axle fastening connection, include: the fixed seat 10 and the pin shaft positioned in the fixed seat 10 are in butt joint with the rotating shaft 20 and the locking sleeve 30. The fixing base 10 is shown in fig. 2 and 3, and will not be described herein.

Referring to fig. 5, in the embodiment, the pin shaft butt joint rotating shaft 20 is located in the hollow cylinder 12 and can rotate relative to the fixing base 10. The middle part of the pin shaft butt joint rotating shaft 20 is provided with a pin shaft butt joint part 21 for accommodating the end part of the pin shaft, the first end part 26 of the pin shaft butt joint rotating shaft 20 penetrates through the bottom plate 13 and extends to the outside of the fixed seat 10, and the second end part of the pin shaft butt joint rotating shaft 20 penetrates through the top cover 11 and also extends to the outside of the fixed seat 10. The pin abutting portion 21 is the same as that of embodiment 1, and will not be described again.

In this embodiment, the locking sleeve 30 and the second spring 52 are both located in the fixing base 10 and are sleeved on the pin-shaft butt-joint rotating shaft 20, and more specifically, the locking sleeve 30 and the second spring 52 are respectively located at two ends of the pin-shaft butt-joint portion 21. One end of the locking sleeve 30 is contacted with the bottom end of the pin shaft butting part 21, and the other end is contacted with the bottom plate 13 of the fixed seat 10; one end of the second spring 52 contacts with the top end of the pin abutting part 21, and the other end contacts with the top cover 11 of the fixed seat 10. At this time, referring to fig. 5 and 6, the second spring 52 is compressed to separate the pin interface 21 from the locking sleeve 20 by applying an upward force to the first end 26 of the pin interface 20 in the axial direction.

To prevent the locking sleeve from rotating along the axis, the locking sleeve 30 may be connected to the fixing base 10 through the limiting member 40 as in the above embodiment 1.

The round pin axle butt joint spare that this embodiment provided, round pin axle butt joint pivot can rotate for the fixing base, and the locking sleeve pipe is because of the limiting displacement relatively fixed in on the fixing base of locating part, but round pin axle butt joint pivot can slide to following its axial direction, and the elasticity of second spring makes round pin axle butt joint commentaries on classics portion and locking sleeve pipe contact and no longer rotate.

Example 3

As shown in fig. 6, the present application also provides a component locking connection mechanism for connecting a first component to a second component, comprising a pin 200 disposed on the first component and a pin interface 100 provided in any of the above embodiments disposed on the second component.

The end part of the pin shaft is a cone which is beneficial to positioning and correcting the entering direction, and the diameter of the bottom of the cone is larger than that of the middle part of the pin shaft.

When the first component and the second component need to be locked, the fixed seat in the pin axial pin butt joint part 100 approaches, and the end part of the pin enters the pin accommodating cavity; at this time, the pin shaft butt joint rotating shaft is rotated clockwise (seen from the lower surface of the figure) by using a socket wrench; in the rotating process, the pin shaft gradually enters the sliding groove of the pin shaft butt joint rotating shaft, and enters the final locking point after rotating for 120 degrees. At this point, the pin is locked, and the first member and the second member are also successfully connected and locked. The butt joint part of the locking sleeve and the pin shaft is locked under the action of the elastic force of the first spring or the second spring.

When the first component and the second component need to be separated, the locking sleeve is slid downwards or pushed upwards along the axial direction of the pin shaft butt joint rotating shaft, so that the locking sleeve is separated from the pin shaft butt joint part; then, the pin shaft butt joint rotating shaft is rotated anticlockwise (seen from the lower side of the figure) through the socket wrench, so that the inlet groove of the pin shaft butt joint part is aligned with the through hole of the fixed seat; and then the pin shaft can retreat along the axial direction of the pin shaft, so that the pin shaft is separated from the fixed seat, and the first component and the second component are separated.

The utility model discloses can be applied to the connection between the various product parts, for example fixed wing unmanned aerial vehicle's wing and fuselage are connected, the erection joint of undercarriage, this mechanism possess that the structure is light and handy, the reliability is high, the installation is maintained characteristics such as simple, can bear higher connection load.

The preferred embodiments of the present invention have been described with reference to the accompanying drawings, and those skilled in the art can implement the present invention in various modifications without departing from the scope and spirit of the present invention. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. The above description is only a preferred and practical embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the specification and the drawings of the present invention are included in the scope of the present invention.

Claims

1. The utility model provides a round pin axle is to joint piece for with round pin axle fastening connection, its characterized in that includes: the fixed seat, a pin shaft positioned in the fixed seat and butted with the rotating shaft and the locking sleeve; wherein:

2. A pin butt connector as claimed in claim 1, wherein the pin butt connector includes a pin receiving cavity and a slot communicating with the pin receiving cavity.

3. A pin joint as defined in claim 2, wherein the slot comprises an entrance slot and a sliding slot in communication with each other.

4. A pin butt joint member according to claim 3, wherein the fixing seat includes a hollow cylinder, and a top cover and a bottom plate respectively fixed to both ends of the hollow cylinder, and the hollow cylinder is provided with a through hole corresponding to the inlet slot.

5. A pin joint member as recited in claim 1, wherein the pin joint portion has a first tooth at a bottom end thereof, and the locking sleeve has a second tooth at a top end thereof for engaging the first tooth.

6. A pin joint according to claim 1, wherein the retaining member is a detent key.

7. A pin joint according to claim 6, wherein a first pin keyway is provided on the inner wall of the holder, the first pin keyway having a length greater than the length of the retaining pin key.

8. A pin joint element as recited in claim 1, further comprising a first spring disposed about the locking sleeve.

9. A pin joint member according to claim 1, further comprising a second spring fitted around the pin joint rotation shaft, wherein one end of the second spring is in contact with a top end of the pin joint portion.

10. A component locking connection for connecting a first component to a second component, comprising a pin disposed on the first component and a pin abutment as claimed in any one of claims 1 to 9 disposed on the second component.