CN214267938U - Pipe arm connection anti-loosening structure - Google Patents

Pipe arm connection anti-loosening structure Download PDF

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Publication number
CN214267938U
CN214267938U CN202023149603.8U CN202023149603U CN214267938U CN 214267938 U CN214267938 U CN 214267938U CN 202023149603 U CN202023149603 U CN 202023149603U CN 214267938 U CN214267938 U CN 214267938U
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CN
China
Prior art keywords
plug
pull piece
nut
piece
internal
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202023149603.8U
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Chinese (zh)
Inventor
刘庆刚
贾耀刚
于新奇
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Hebei University of Science and Technology
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Hebei University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Hebei University of Science and Technology filed Critical Hebei University of Science and Technology
Priority to CN202023149603.8U priority Critical patent/CN214267938U/en
Application granted granted Critical
Publication of CN214267938U publication Critical patent/CN214267938U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a locking structure is connected to arm, it includes first plug spare, second plug spare, interior nut, outer nut. The first plug-pull piece is provided with a riveting hole and is riveted with the machine arm by a rivet; the first plug-pull piece is provided with a concave groove which is matched and positioned with the bulge of the second plug-pull piece. The second plug-pull piece is provided with a riveting hole, and the direction of the riveting hole arranged on the second plug-pull piece and the riveting hole arranged on the first plug-pull piece form a certain angle; the second plug-pull piece is provided with external threads and is connected with the internal threads of the internal nut. The inner nut is provided with an internal thread, an external thread and a screwing anti-slip structure, the internal thread is connected with the second plug-pull piece, and the external thread is connected with the outer nut. The outer nut is provided with internal threads and is connected with the inner nut; the outer nut is provided with a screwing anti-slip structure. The utility model relates to a pipe arm connection anti-loosening structure can realize that the unmanned aerial vehicle horn is installed fast, and the pine does not take off, can also be used in other pipe arm connection structure.

Description

Pipe arm connection anti-loosening structure
Technical Field
The utility model relates to a loose-proof structure is connected to pipe arm.
Background
The arm of the unmanned aerial vehicle is usually positioned by a pin shaft or a plug-in cylinder; and screwing in a threaded manner. The defect of the adoption of the mode is that the positioning accuracy is not enough due to the plug-in type cylinder positioning; the requirement on the screwing degree of the general threads is high, the threads are not screwed tightly and are easy to loosen, so that the airplane is unstable and shakes; too tight a turn tends to produce a slip, damaging the connector itself.
Chinese patent with application number CN201920110683.4 discloses an unmanned aerial vehicle horn connecting piece, adopts cylinder location, and only has a nut, and is easy not hard up, causes the aircraft unstability.
In view of this, the present invention is especially proposed.
Disclosure of Invention
An object of the utility model is to provide an unmanned aerial vehicle horn is connected locking and high accuracy location structure, aims at solving above-mentioned problem.
In order to achieve the purpose, the utility model relates to an unmanned aerial vehicle horn connection anti loosening structure, it includes first plug spare (8), second plug spare (9), interior nut (10), outer nut (6). The first plug-pull piece (8) is provided with a riveting hole, one end of the first plug-pull piece is inserted into the machine arm (2), and the first plug-pull piece is riveted with the machine arm (2) through a rivet (7); the first plug-pull piece (8) is provided with a concave square positioning part which is matched with a convex square positioning part of the second plug-pull piece (9). The second plug-pull piece (9) is provided with a riveting hole, one end of the second plug-pull piece (9) is inserted into the machine arm (4) and is riveted with the machine arm (4), and the direction of the riveting hole formed in the second plug-pull piece (9) and the direction of the riveting hole formed in the first plug-pull piece (8) form a certain angle, so that the function of avoiding riveting looseness is achieved; the second plug-pull piece (9) is provided with an external thread and is in threaded connection with the inner nut (10); the second plug-pull piece (9) is provided with a square bulge which is matched with a groove arranged on the first plug-pull piece (8) to achieve the positioning effect. The inner nut (10) is provided with an internal thread and an external thread, the internal thread is connected with the second plug-pull piece (9), the external thread is connected with the outer nut (6), and the outer nut (6) is provided with an internal thread and is connected with the inner nut (10); the outer nut (6) and the inner nut (10) are both provided with screwing anti-slip structures.
Furthermore, the inner nut (10) and the outer nut (6) are provided with threads in opposite directions, the rotation displacement is just offset when the machine arm vibrates, and the purpose of preventing looseness is achieved, the inner nut (10) is provided with a screwing structure, the inner nut (10) and the second plug-pull piece (9) are screwed, and the inner nut (10) can be prevented from rotating reversely when the outer nut (6) is installed.
Furthermore, the first and second plug-pull pieces are positioned by the square protrusions, so that the positioning precision is improved.
The utility model discloses a during installation of unmanned aerial vehicle horn connection structure: at the end of the machine body arm, an inner nut (10) is firstly sleeved on the machine arm (4), and then a first plug-pull piece (8) is riveted on the machine arm (4); at the end of the motor arm, an outer nut (6) is firstly sleeved on the motor arm (2), and then a second plug-pull piece (9) is riveted on the motor arm (2); the second plug-pull piece (9) is convexly inserted into the groove of the first plug-pull piece (8), the inner nut (10) is screwed on the second plug-pull piece (9), and the outer nut (6) is screwed on the inner nut (10). When the outer nut (6) is screwed, the inner nut (10) is held tightly to prevent the inner nut (10) from rotating.
The utility model has the advantages and the beneficial effects that: the utility model relates to an unmanned aerial vehicle horn connection structure can realize the quick installation of unmanned aerial vehicle horn, pinpoints, and the pine does not take off.
Drawings
FIG. 1 is a schematic view of the installation effect of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic view of the installation of the present invention;
FIG. 4 is a schematic view of the structure of the inner nut of the present invention;
the unmanned aerial vehicle comprises an unmanned aerial vehicle motor (1), a motor end arm (2), a connecting structure (3), a machine body end arm (4), a machine body (5), an outer nut (6), rivets (7), a first plugging piece (8), a second plugging piece (9), an inner nut (10), an inner thread (11), an outer thread (12) and an anti-skid structure (13).
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example (b):
an unmanned aerial vehicle horn connection anti loosening structure, it includes first plug spare (8), second plug spare (9), interior nut (10), outer nut (6). The first plug-pull piece (8) is provided with a riveting hole, one end of the first plug-pull piece is inserted into the machine arm (2), and the first plug-pull piece is riveted with the machine arm (2) by a rivet; the first plug-pull piece (8) is provided with a concave square positioning part which is matched with a convex square positioning part of the second plug-pull piece (9). The second plug-pull piece (9) is provided with a riveting hole, one end of the second plug-pull piece is inserted into the machine arm (4) and is riveted with the machine arm (4), and the direction of the second plug-pull piece (9) provided with the riveting hole and the riveting hole of the first plug-pull piece (8) form a certain angle to avoid riveting looseness; the second plug-pull piece (9) is provided with an external thread and is in threaded connection with the inner nut (10); the second plug-pull piece (9) is provided with a square bulge which is matched with a groove arranged on the first plug-pull piece (8) to achieve the positioning effect. The inner nut (10) is provided with an internal thread and an external thread, the internal thread is connected with the second plug-pull piece (9), and the external thread is connected with the outer nut (6); the outer nut (6) is provided with internal threads and is connected with the inner nut (10), and the outer nut (6) is provided with a screwing anti-slip structure. Furthermore, the thread directions of the inner nut (10) and the outer nut (6) are opposite, the rotation displacement is just offset when the machine arm vibrates, and the purpose of preventing looseness is achieved, the inner nut (10) is provided with a screwing structure, the inner nut (10) and the second plugging piece (9) are screwed, and the inner nut (10) can be prevented from rotating reversely when the outer nut (6) is installed. Furthermore, the first plug-in piece (8) and the second plug-in piece (9) are positioned by using the square bulges, so that the positioning precision is increased. During installation: at the end of the machine body arm, an inner nut (10) is firstly sleeved on the machine arm (4), and then a second plug-pull piece (9) is riveted on the machine arm (4); at the end of the motor arm, an outer nut (6) is firstly sleeved on the motor arm (2), and then a first plug-pull piece (8) is riveted on the motor arm (2); the second plug-pull piece (9) is convexly inserted into the groove of the first plug-pull piece (8), the inner nut (10) is screwed on the second plug-pull piece (9), and the outer nut (6) is screwed on the inner nut (10). When the outer nut (6) is screwed, the inner nut (10) is held tightly to prevent the inner nut (10) from rotating.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (3)

1. The utility model provides a pipe arm connection anti-loosening structure which characterized in that it includes: a first plug-pull piece (8), a second plug-pull piece (9), an internal nut (10) and an external nut (6); the first plug-pull piece (8) is provided with a riveting hole and is riveted with the machine arm (2) by a rivet (7), and the first plug-pull piece (8) is provided with a concave groove and is matched and positioned with the bulge of the second plug-pull piece (9); the second plug-pull piece (9) is provided with a riveting hole, the direction of the riveting hole of the second plug-pull piece (9) forms a certain angle with the direction of the riveting hole of the first plug-pull piece (8), and the second plug-pull piece (9) is provided with an external thread which is connected with the internal thread of the internal nut (10); the inner nut (10) is provided with an internal thread, an external thread and a screwing anti-skid structure, the internal thread is connected with the second plug-pull piece (9), and the external thread is connected with the outer nut (6); the outer nut (6) is provided with internal threads and is connected with the inner nut (10); the outer nut (6) is provided with a screwing anti-slip structure.
2. The pipe arm connecting anti-loosening structure according to claim 1, wherein: the first plugging and unplugging piece is provided with a concave groove which is matched with a square bulge arranged on the second plugging and unplugging piece to play a positioning function.
3. The pipe arm connecting anti-loosening structure according to claim 1, wherein: the internal thread and the external thread of the internal nut (10) have different screw directions.
CN202023149603.8U 2020-12-24 2020-12-24 Pipe arm connection anti-loosening structure Expired - Fee Related CN214267938U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023149603.8U CN214267938U (en) 2020-12-24 2020-12-24 Pipe arm connection anti-loosening structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023149603.8U CN214267938U (en) 2020-12-24 2020-12-24 Pipe arm connection anti-loosening structure

Publications (1)

Publication Number Publication Date
CN214267938U true CN214267938U (en) 2021-09-24

Family

ID=77801286

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023149603.8U Expired - Fee Related CN214267938U (en) 2020-12-24 2020-12-24 Pipe arm connection anti-loosening structure

Country Status (1)

Country Link
CN (1) CN214267938U (en)

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210924