CN107989974B

CN107989974B - Aerospace crank bolt assembly

Info

Publication number: CN107989974B
Application number: CN201711230620.4A
Authority: CN
Inventors: 梅锦初
Original assignee: Jiangsu Xincheng Standard Component Co ltd
Current assignee: JIANGSU XINCHENG STANDARD COMPONENT Co.,Ltd.
Priority date: 2017-11-29
Filing date: 2017-11-29
Publication date: 2020-08-21
Anticipated expiration: 2037-11-29
Also published as: CN107989974A

Abstract

The invention discloses a crank bolt assembly for aerospace, which comprises a main body and a first stud, wherein the first stud is arranged on the right side inside the main body, internal threads are arranged on the right side of the inner wall of the main body, external threads are arranged on the outer wall of the first stud, the internal threads are meshed with the external threads, a first rotary table is arranged in the middle inside the first stud, and first clamping blocks are arranged at the upper end and the lower end of the left side and the lower end of the right side of the first rotary table. This crank bolt subassembly for aerospace, the cooperation of baffle and rubber pad, can fix the nut card in the left side of main part, saved the staff when the construction bolt, need hold the nut with the hand and carry out the operation of fixing, made things convenient for the staff, cooperation through second double-screw bolt and third carousel, can screw up in the inside back of nut at the second double-screw bolt, block first double-screw bolt through the third carousel and fix, make first double-screw bolt block first double-screw bolt after becoming flexible and prevent it from dropping, bolted connection's steadiness has been increased.

Description

Aerospace crank bolt assembly

Technical Field

The invention relates to the technical field of bolt assemblies, in particular to a crank bolt assembly for aerospace.

Background

In the design of aerospace craft parts, high-performance parts are very expensive, especially transmission of a bearing component is a key technology, common bearing transmission is that a bearing is added on a shaft to work, the friction force of the transmission mode is large, the time working can cause overheating, so that the loss is increased, meanwhile, the defects of high noise, low transmission efficiency and the like exist, a common shaft cylinder is a simple safety pin, the operation is inconvenient, the bearing force is small, and the safety and reliability are poor, for example, the patent with the application number of 201620678863.9 comprises a crank bolt, a long-rod double-head nut, a head-blocking bolt, a crank transmission turntable and a rolling bearing, when the bolt is installed, the nut needs to be placed on the left side of the bolt hole to be fixed by hands, then the bolt is screwed and fixed, a worker can generate the pain feeling of hands by pinching the nuts by the hands for a long time, and the operation is extremely inconvenient, meanwhile, the loosening of the screw can be generated after the machine operates for a long time, workers are required to frequently check, the working strength of the workers is greatly increased, the screw falls off during operation of the machine, the machine is damaged, unnecessary loss is caused, the cost for maintaining the machine is greatly increased, and the requirements of customers cannot be met.

Disclosure of Invention

The invention aims to provide a crank bolt component for aerospace to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a crank bolt assembly for aerospace comprises a main body and a first stud, wherein the right side of the inside of the main body is provided with the first stud, the right side of the inner wall of the main body is provided with an internal thread, the outer wall of the first stud is provided with an external thread, the internal thread is meshed with the external thread, a first rotating disc is arranged in the middle of the inside of the first stud, first clamping blocks are arranged at the upper end and the lower end of the left side and the right side of the first rotating disc, first clamping grooves are arranged at the upper end and the lower end of the inside right side of the first stud, the first clamping blocks are connected with the first clamping grooves in an overlapping mode, a rotating shaft is arranged at the right side of the first rotating disc, a second rotating disc is arranged at the right side of the first stud, the rotating shaft penetrates through the first stud and is connected with the second rotating disc, a third rotating disc is arranged at the left side of the inside of the, the second double-screw bolt runs through first double-screw bolt, and the left side of main part is equipped with the nut, and the second double-screw bolt runs through the nut, and the inside of nut is equipped with the lantern ring, and the left side of nut is equipped with the sleeve, and the sleeve runs through the nut and links to each other with the lantern ring, and both sides all are equipped with the slider about the inside of lantern ring, and the baffle is installed on the right side of slider, and the baffle runs through lantern ring and nut, and the rubber pad is installed.

Preferably, a fourth rotary table is arranged on the left side of the sleeve, second clamping blocks are mounted at the upper end and the lower end of the right side of the fourth rotary table, a support column is mounted on the left side of the fourth rotary table, a sliding rod is arranged inside the support column, and gaskets are mounted on the upper side and the lower side of the sliding rod.

Preferably, the upper side and the lower side of the interior of the lantern ring are both provided with the balls.

Preferably, the outer wall of the nut is provided with abrasive grains.

Preferably, the left side of the outer wall of the sleeve is sleeved with a rubber ring.

Compared with the prior art, the invention has the beneficial effects that: the crank bolt assembly for aerospace can clamp the nut on the left side of the main body to be fixed by matching the baffle plate and the rubber pad, so that the operation that workers need to hold the nut by hands to fix when installing the bolt is omitted, the crank bolt assembly is convenient for the workers, through the matching of the second stud and the third turntable, after the second stud is screwed in the nut, the first stud is clamped and fixed through the third turntable, so that the first stud is clamped and prevented from falling after loosening, the stability of bolt connection is improved, accidents caused by the fact that the first stud falls off and damages a machine when the machine runs are avoided, and unnecessary loss is caused, through the cooperation of first carousel and first fixture block, can make things convenient for the rotation of the quick first double-screw bolt of conversion of staff and second double-screw bolt, the staff's of simplifying operation has satisfied customer's demand.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the nut of the present invention;

FIG. 3 is a schematic view of the right side view of the interior of the nut of the present invention;

fig. 4 is a schematic view of the internal structure of the sleeve of the present invention.

In the figure: 1. the main part, 2, first fixture block, 3, first carousel, 4, first draw-in groove, 5, the pivot, 6, the second carousel, 7, first double-screw bolt, 8, internal thread, 9, the external screw thread, 10, the second draw-in groove, 11, the third carousel, 12, the second double-screw bolt, 13, the nut, 14, the sleeve, 15, the lantern ring, 16, the slider, 17, the rubber pad, 18, the baffle, 19, the rubber circle, 20, the mill line, 21, walk the pearl, 22, the fourth carousel, 23, the slide bar, 24, the pillar, 25, the gasket, 26, the second fixture block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a crank bolt assembly for aerospace can enable the bolt assembly to stably fix parts to the maximum degree and prevent the bolt from loosening and falling, and comprises a main body 1 and a first stud 7, wherein the right side inside the main body 1 is provided with the first stud 7, the first stud 7 is inserted into a bolt hole inside the main body 1, the right side of the inner wall of the main body 1 is provided with an internal thread 8, the outer wall of the first stud 7 is provided with an external thread 9, the internal thread 8 is meshed with the external thread 9, the first stud 7 is fixed by rotating the external thread 9 and mutually meshing the internal thread 8 when the first stud 7 is installed and fixed, the middle inside of the first stud 7 is provided with a first rotary disc 3, the upper end and the lower end of the left side and the lower end of the first rotary disc 3 are respectively provided with a first clamping block 2, the upper end and the lower end of the right side inside of the first stud 7 are respectively provided with a first clamping groove 4, and, the first rotary disc 3 is moved towards the right side, so that the first clamping block 2 is inserted into the first clamping groove 4, the first rotary disc 3 can drive the first stud 7 to rotate, the rotating shaft 5 is installed on the right side of the first rotary disc 3, the second rotary disc 6 is arranged on the right side of the first stud 7, the rotating shaft 5 penetrates through the first stud 7 and is connected with the second rotary disc 6, the second rotary disc 6 can drive the first rotary disc 3 to move towards the right side and rotate through the rotating shaft 5, the third rotary disc 11 is arranged on the left side of the inside of the first stud 7, the upper end and the lower end of the right side of the inside of the third rotary disc 11 are respectively provided with the second clamping grooves 10, the first clamping block 2 is connected with the second clamping grooves 10 in an overlapping manner, the second rotary disc 6 drives the first rotary disc 3 to move towards the left side through the rotating shaft 5, so that the first clamping block 2 is inserted into the inside of the second clamping grooves 10 to be fixed, a second stud 12 is arranged on the left side of a third rotary table 11, the second stud 12 penetrates through a first stud 7, a nut 13 is arranged on the left side of a main body 1, abrasive grains 20 are arranged on the outer wall of the nut 13, the abrasive grains 20 can increase friction force, and are convenient for workers to hold the nut 13 for fixing, the second stud 12 penetrates through the nut 13, the third rotary table 11 drives the second stud 12 to rotate and to be meshed with the nut 13, so that the second stud 12 can drive the third rotary table 11 to be clamped on the left side inside the first stud 7 for fixing, the first stud 7 is prevented from directly falling off after loosening, a lantern ring 15 is arranged inside the nut 13, the lantern ring 15 can rotate inside the nut 13, beads 21 are arranged on the upper side and the lower side inside the lantern ring 15, the beads 21 can reduce friction force, the long-time rotation abrasion of the lantern ring 15 is prevented, a sleeve 14 is arranged on the left side of the nut 13, a rubber, the rubber ring 19 is convenient for a worker to hold the sleeve 14 to rotate, the sleeve 14 penetrates through the nut 13 and is connected with the sleeve ring 15, the sleeve 14 is held and rotated to drive the sleeve ring 15 to rotate in the nut 13, the upper side and the lower side of the inside of the sleeve ring 15 are respectively provided with the sliding block 16, the sleeve ring 15 is rotated to clamp the sliding block 16 to slide along a sliding chute in the sleeve, the right side of the sliding block 16 is provided with the baffle 18, the baffle 18 penetrates through the sleeve ring 15 and the nut 13, the right side of the bottom end of the baffle 18 is provided with the rubber pad 17, the rubber pad 17 is connected with the main body 1 in an overlapping mode, the sliding block 16 drives the baffle 18 to slide up and down along the sliding chute on the right side of the nut 13 to clamp the rubber pad 17 on the inner wall of the main body 1 to fix the nut 13, the left side of the sleeve, a sliding rod 23 is arranged inside the pillar 24, gaskets 25 are mounted on the upper side and the lower side of the sliding rod 23, second clamping blocks 26 at the upper end and the lower end of the right side of the fourth rotary disc 22 are inserted into a through hole in the left side inside the sleeve 14, the two ends of the sliding rod 23 can be held, or the sliding rod 23 is adjusted up and down along the pillar 24, one end of the sliding rod 23 is held to rotate, the pillar 24 drives the fourth rotary disc 22 to rotate, and the fourth rotary disc 22 clamps the sleeve 14 through the second clamping blocks 26 to rotate.

When a worker installs the fixing bolt assembly, the nut 13 is firstly placed on the left side of the main body 1, the baffle 18 is inserted into a hole in the main body 1, the worker holds the outer wall of the nut 13 by a hand to fix the nut, holds the sleeve 14 by the hand to rotate the sleeve, the sleeve 14 drives the sleeve ring 15 to rotate in the nut 13, the sleeve ring 15 rotates to clamp the sliding block 16 to slide along the sliding groove in the sleeve, the sliding block 16 drives the baffle 18 to slide up and down along the sliding groove on the right side of the nut 13 to clamp the rubber pad 17 on the inner wall of the main body 1 to fix, the worker inserts the first stud 7 into the main body 1, the second rotary table 6 drives the first rotary table 3 to move towards the right side through the rotary shaft 5, the first clamping block 2 is inserted into the first clamping groove 4, the first stud 7 is driven to rotate through the second rotary table 6, and the external thread 9 is meshed with the internal thread 8, the second rotary table 6 drives the first rotary table 3 to move towards the left side through the rotary shaft 5, the first clamping block 2 is inserted into the second clamping groove 10 to be fixed, the second rotary table 6 is rotated to drive the second stud 12 to rotate through the third rotary table 11 and to be meshed with the nut 13, and the second stud 12 drives the third rotary table 11 to be clamped on the left side of the inside of the first stud 7 to be fixed.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an aerospace crank bolt assembly, includes main part (1) and first double-screw bolt (7), the inside right side of main part (1) is equipped with first double-screw bolt (7), its characterized in that: the inner wall right side of the main body (1) is provided with an internal thread (8), the outer wall of the first stud (7) is provided with an external thread (9), the internal thread (8) is meshed with the external thread (9) to be connected, the inside middle of the first stud (7) is provided with a first turntable (3), the upper and lower ends of the left side and the right side of the first turntable (3) are respectively provided with a first clamping block (2), the upper and lower ends of the inside right side of the first stud (7) are respectively provided with a first clamping groove (4), the first clamping block (2) is connected with the first clamping grooves (4) in an overlapping manner, the right side of the first turntable (3) is provided with a rotating shaft (5), the right side of the first stud (7) is provided with a second turntable (6), the rotating shaft (5) penetrates through the first stud (7) to be connected with the second turntable (6), the inside left side of the first stud (7) is, the upper end and the lower end of the right side in the third rotating disc (11) are respectively provided with a second clamping groove (10), the first clamping block (2) is connected with the second clamping groove (10) in an overlapping manner, the left side of the third rotating disc (11) is provided with a second stud (12), the second stud (12) penetrates through the first stud (7), the second stud (12) is meshed with the nut (13), the left side of the main body (1) is provided with the nut (13), the second stud (12) penetrates through the nut (13), the inner part of the nut (13) is provided with a lantern ring (15), the left side of the nut (13) is provided with a sleeve (14), the sleeve (14) penetrates through the nut (13) and is connected with the lantern ring (15), the upper side and the lower side in the inner part of the lantern ring (15) are respectively provided with a sliding block (16), the right side of the sliding block (16) is provided with a baffle (18), and the baffle (18), a rubber pad (17) is installed on the right side of the bottom end of the baffle (18), and the rubber pad (17) is connected with the main body (1) in an overlapping mode.

2. An aerospace crank bolt assembly according to claim 1, wherein: the left side of sleeve (14) is equipped with fourth carousel (22), second fixture block (26) are all installed at both ends about the right side of fourth carousel (22), pillar (24) are installed in the left side of fourth carousel (22), the inside of pillar (24) is equipped with slide bar (23), gasket (25) are all installed to the upper and lower both sides of slide bar (23).

3. An aerospace crank bolt assembly according to claim 1, wherein: the upper side and the lower side of the interior of the lantern ring (15) are provided with beads (21).

4. An aerospace crank bolt assembly according to claim 1, wherein: the outer wall of the nut (13) is provided with grinding grains (20).

5. An aerospace crank bolt assembly according to claim 1, wherein: the left side of the outer wall of the sleeve (14) is sleeved with a rubber ring (19).