CN203847941U - Quick dismounting and fixing device - Google Patents

Quick dismounting and fixing device Download PDF

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Publication number
CN203847941U
CN203847941U CN201420118581.4U CN201420118581U CN203847941U CN 203847941 U CN203847941 U CN 203847941U CN 201420118581 U CN201420118581 U CN 201420118581U CN 203847941 U CN203847941 U CN 203847941U
Authority
CN
China
Prior art keywords
handwheel
stop sleeve
fixing device
anchor point
bolt
Prior art date
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 - Lifetime
Application number
CN201420118581.4U
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Chinese (zh)
Inventor
孙美建
吴军
宣建强
李广兴
顾绍景
樊蓉
周涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Ases Spaceflight Technology Ltd
Original Assignee
Shanghai Aerospace System Engineering Institute
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Filing date
Publication date
Application filed by Shanghai Aerospace System Engineering Institute filed Critical Shanghai Aerospace System Engineering Institute
Priority to CN201420118581.4U priority Critical patent/CN203847941U/en
Application granted granted Critical
Publication of CN203847941U publication Critical patent/CN203847941U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model provides a quick dismounting and fixing device. The quick dismounting and fixing device comprises a fixing assembly and a universal anchor point. The fixing assembly includes an anchor bolt, and a stop sleeve and a handwheel that sleeve the anchor bolt. The upper end of the stop sleeve is disposed on the handwheel through a C-shaped spring clasp to enable the stop sleeve and the handwheel to be fixed in an axial manner. The stop sleeve and the handwheel can rotate relative to each other in a circumferential manner. The handwheel is in threaded connection with the anchor bolt and can drive the stop sleeve to move axially along the anchor bolt. The lower end of the anchor bolt is equipped with a polygon-shaped inclined plane structure. The lower end of the stop sleeve is provided with an arc protrusion. The universal anchor point is provided with an inclined plane clamping groove that matches the polygon-shaped inclined plane structure and also provided with an arc clamping groove that matches the arc protrusion. During a whole mounting and dismounting process, an astronaut only needs to align and rotate the handwheel to finish the operation by simply one hand in a microgravity environment, so the quick dismounting and fixing device is easy to operate. Through cooperation between the polygon-shaped inclined plane structure and the inclined plane clamping groove, space equipment can be adjusted in mounting direction.

Description

A kind of quick-release fixing device
Technical field
The utility model relates to astrovehicle accessory field, relates to a kind of linkage structure that supplies astronaut's quick mounting and dismounting in manned spacecraft, i.e. a kind of quick-release fixing device.
Background technique
In manned spacecraft, there is the equipment that needs in a large number astronaut temporarily to install and use, as handrail, pin snubber, work table, vidicon camera, Portable illumination device etc., these equipment are installed by quick-release fixing device and spacecraft cabin.What current quick-release fixing device had can not be by the singlehanded mounting or dismounting of floating astronaut under space flight microgravity environment, and what have can not install in choice direction, and some installations are loosening gapped afterwards, can not meet the usage requirement of manned spacecraft.
Model utility content
The purpose of this utility model is to design a kind of astronaut's singlehanded handling under microgravity environment that can allow, and multi-directionally adjustment realizes the quick-release fixing device of fastening function simultaneously.
The utility model is a kind of quick-release fixing device, and for space equipment is releasably attached to target location, described quick-release fixing device comprises the fixing-assembly being arranged on space equipment and is arranged on the general anchor point of target location; Wherein,
Described fixing-assembly comprises crab-bolt, stop sleeve and handwheel, described stop sleeve and described handwheel sleeve are located in described crab-bolt, between described stop sleeve and described handwheel, axial restraint is connected, and between described stop sleeve and described handwheel, can mutually rotate, described handwheel can drive described stop sleeve to move up and down along described crab-bolt; One end of described crab-bolt is provided with polygonal ramp structure, and the cross section of described polygonal ramp structure is the polygonal that limit number is even number;
On described general anchor point, be provided with the rectangular groove of a both ends open, in described rectangular groove, be provided with the inclined-plane draw-in groove matching with described polygonal ramp structure;
Between described fixing-assembly and described general anchor point, by described polygonal ramp structure, match and be connected with described inclined-plane draw-in groove, and described handwheel drives described stop sleeve to press down, the lower end of described stop sleeve is pressed on described general anchor point.
Preferably, between described handwheel and described crab-bolt, be threaded connection, rotate described handwheel, make described handwheel drive described stop sleeve to move axially along described crab-bolt.
Preferably, be provided with a protruding ring body on the connecting end of described stop sleeve and described handwheel, be provided with and a depressed part on described handwheel, described handwheel is connected with the upper end of described stop sleeve jacket casing, and described protruding ring body is positioned at described depressed part.
Preferably, on the madial wall of described sunk part, be provided with annular slot, be provided with C type spring arch clasp in described annular slot, described protruding ring body is arranged between described C type spring arch clasp and the top of described depressed part.
Preferably, described stop sleeve is provided with a surface platform on one end relative with described polygonal ramp structure, is provided with circular arc projection on the bottom of described surface platform; On the upper-end surface of described general anchor point, be provided with the arc neck matching with described circular arc projection, when described stop sleeve is pressed on described general anchor point, described circular arc projection is positioned at described arc neck.
Preferably, on described surface platform, be provided with two circular arc projections, and symmetrical about the center line of described surface platform.
The utility model, owing to adopting above technological scheme, makes it compared with prior art, has following advantage and good effect:
The quick-release fixing device that the utility model provides, in whole installation and removal process, astronaut only needs to aim at and the operation of rotation hand wheel, makes astronaut can complete handling by one hand under microgravity environment, simple to operate; And the utility model, by coordinating between polygonal ramp structure and inclined-plane draw-in groove, can be realized the adjustment on space equipment installation direction, realizes fastening function by arranging of handwheel and stop sleeve simultaneously.
Accompanying drawing explanation
By reference to the accompanying drawings, by the detailed description of stating below, can more clearly understand above-mentioned and other feature and advantage of the present utility model, wherein:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is broken away view of the present utility model;
Fig. 3 is the structural representation of the utility model stop sleeve;
Fig. 4 is sectional view of the present utility model;
Fig. 5 is that the utility model is used as handrail fixing device embodiment schematic diagram;
Fig. 6 is that the utility model is used as pin snubber fixing device embodiment schematic diagram;
Fig. 7 is that the utility model is used as worktable board fixer embodiment schematic diagram.
Symbol description:
The general anchor point of 1-
101-inclined-plane draw-in groove
102-arc neck
2-crab-bolt
201-polygonal ramp structure
202-tapped hole
3-stop sleeve
301-surface platform
302-projection ring body
303-circular arc projection
4-C type snap ring
5-handwheel
6-handrail joint
7-handrail lever
8-General guide rail
9-pin snubber assembly
10-Universal arm assembly
The 11-table of working
Embodiment
Referring to the accompanying drawing that the utility model embodiment is shown, below the utility model will be described in more detail.Yet the utility model can be with many multi-form realizations, and should not be construed as the embodiment's who is subject in this proposition restriction.On the contrary, it is abundant and complete open in order to reach proposing these embodiments, and makes those skilled in the art understand scope of the present utility model completely.In these accompanying drawings, for clarity sake, may amplify size and the relative size in layer and region.
Shown in Fig. 1-4, the utility model provides a kind of quick-release fixing device, between space equipment and spacecraft cabin fast, installing/dismounting easily.This quick-release fixing device comprises fixing-assembly and general anchor point, and fixing-assembly is arranged on space equipment, and general anchor point setting is arranged on spacecraft cabin, and space equipment is by being connected on spacecraft cabin between fixing-assembly and general anchor point.
Concrete, fixing-assembly comprises that described fixing-assembly comprises crab-bolt 2, stop sleeve 3 and handwheel 5.As shown in Figure 2, the lower end of crab-bolt 2 is provided with a polygonal ramp structure 201, cross section perpendicular to crab-bolt 2 axis on polygonal ramp structure 201 is polygonal, and polygonal limit number is even number, preferred quadrilateral, Octagon, dodecagon, other polygonals are not restricted herein yet certainly; Wherein, the cross section of polygonal ramp structure 201 makes the angle adjustable of crab-bolt 2 in rotation process while being quadrilateral be 90 °, and Octagon angle adjustable is 45 °, and dodecagon angle adjustable is 30 °; On the upper end of crab-bolt 2, be provided with tapped hole 202, be equipped with screw and connect being connected between space equipment and fixing-assembly for realizing.
In the present embodiment, stop sleeve 3 and handwheel 5 are set in crab-bolt 2 successively from the upper end of crab-bolt 2, and the upper end of stop sleeve 3 is flexibly connected with handwheel 5.The upper end of stop sleeve 3 is provided with a protruding ring body 302, and the contacting of handwheel 5 and stop sleeve 3 is provided with a depressed part matching with protruding ring body 302 on end face, and when the upper end of stop sleeve 3 is connected with handwheel 5, protruding ring body 302 is positioned at depressed part; On the inner side surface of depressed part, be provided with a ring-type draw-in groove, and the distance between ring-type draw-in groove and the top of depressed part is more than or equal to the thickness of protruding ring body 302; In annular slot, be provided with a C type spring arch clasp 4, C type spring arch clasp 4 has an opening, by self elastic strain, be arranged in annular slot, the 4 disposable installations of C type spring arch clasp, after assembling without dismounting; The protruding ring body 302 of stop sleeve 3 upper ends is arranged between C type spring arch clasp 4 and the top of depressed part, thereby realizes the axial restraint between stop sleeve 3 and handwheel 5, and can relatively relatively rotate between stop sleeve 3 and handwheel 5.Between handwheel 5 and crab-bolt 2, be threaded connection, rotation hand wheel 5 makes it drive stop sleeve 3 together along crab-bolt 2 axial motions.In the present embodiment, the lower end of stop sleeve 3 is provided with a surface platform 301, and surface platform 301 is positioned at the top of polygonal ramp structure 201.On the two ends of surface platform 301 bottoms, be symmetrically arranged with two circular arc projections 303; Certainly number, shape, size and the setting position of circular arc projection 303 all can be adjusted as the case may be, are not restricted herein.
In the present embodiment, on general anchor point 1, be provided with the long strip groove part of a both ends open, the both sides of long strip groove part are provided with the inclined-plane draw-in groove 101 matching with polygonal ramp structure 201, and inclined-plane draw-in groove 101 arranges along the both sides of the bottom of the long strip groove part of general anchor point 1; The bottom of long strip groove part is close in the bottom of polygonal ramp structure 201, along 101 translations of inclined-plane draw-in groove, be mounted in inclined-plane draw-in groove 101, thereby limited the movement of fixing-assembly in the axial direction, on the width direction of long strip groove part, and in the rotation making progress in week; In addition, the polygonal direction coordinating with inclined-plane draw-in groove 101 by adjusting polygonal ramp structure 201, can be used to adjust the installation direction of fixing-assembly, thereby can be used for regulating the installation direction of space equipment.On general anchor point 1, be also provided with the arc neck 102 matching with circular arc projection 303, arc neck 102 is arranged on the upper-end surface of general anchor point 1; In the present embodiment, the upper-end surface of general anchor point 1 is provided with two arc necks 102, and two arc necks 102 are symmetrical about the width direction of long strip groove part; When polygonal ramp structure 201 move to inclined-plane draw-in groove 101 interior after, by rotation hand wheel 5, drive stop sleeve 3 to move down, make the circular arc projection 303 of stop sleeve 3 bottoms stick into arc neck 102, thereby limited the movement of fixing-assembly on long strip groove part length direction.Certainly, on a general anchor point 1, can be provided with a plurality of arc necks 102, between adjacent arc neck 102, can be communicated with setting, be applicable to, on a general anchor point 1, a plurality of fixing-assemblys are set; Can to the number of arc neck 102, shape and setting position, adjust as the case may be, not be restricted herein.
A kind of quick-release fixing device that the utility model provides, its specific operation process is as follows:
First space equipment is connected with crab-bolt 2, general anchor point 1 is installed on spacecraft cabin; After each several part connects, by the polygonal ramp structure 201 of crab-bolt 2, inclined-plane draw-in groove 101 translations along general anchor point 1 are mounted in general anchor point 1; Then rotation hand wheel 5, and handwheel 5 drives stop sleeve 3 to move downward; Until circular arc on stop sleeve 3 projection 303 is when contact with the upper surface of general anchor point 1, handwheel 5 stops operating; Suitably pivot stop sleeve 3, makes the circular arc projection 303 on stop sleeve 3 corresponding with the arc neck 102 on general anchor point 1; After circular arc projection 303 aligns with arc neck 102, continue rotation hand wheel 5, circular arc projection 303 is sticked in arc neck 102, finally make the part of surface platform 301 bottoms except circular arc projection 303 and the upper surface of general anchor point compress, meanwhile, the polygonal ramp structure 201 of crab-bolt 2 and the inclined-plane draw-in groove of general anchor point 1 101 compress.In this practicality is new, circular arc projection 303 on stop sleeve 3 coordinates with the arc neck of general anchor point 1, realize the constraint of crab-bolt 2 horizontal planes, and coordinating of polygonal ramp structure 201 in crab-bolt 2 and inclined-plane draw-in groove 101 on general anchor point 1 realizes crab-bolt 2 axially and the constraint rotating in a circumferential direction.In the time fixing-assembly need being disassembled on general anchor point 1, first rotation hand wheel 5 moves upward it, and handwheel 5 drives stop sleeve 3 to move upward, until the circular arc projection 303 of stop sleeve 3 is left the arc neck 102 of general anchor point 1; Then polygonal ramp structure 201 is shifted out in the inclined-plane draw-in groove 101 of general anchor point 1, dismounting completes.
A kind of quick-release fixing device that the utility model provides, in whole installation and removal process, astronaut only needs to aim at and the operation of rotation hand wheel, can complete by one hand, simple to operate; And the utility model, by coordinating between polygonal ramp structure 201 and inclined-plane draw-in groove 101, can be realized the adjustment on space equipment installation direction.
With regard to the utility model, as handrail fixing device, pin snubber fixing device and worktable board fixer etc., be example below, be described further:
As shown in Figure 5, the utility model is as handrail fixing device.Some general anchor points 1 form a General guide rail 8, and the two ends of handrail lever 7 are connected with two cover fixing-assemblys by handrail joint 6, and composition can quick-release handrail.During mounting or dismounting handrail, one hand is held lever 7 and successively two fixing-assemblys is operated, and can complete the mounting or dismounting of handrail.
As shown in Figure 6, the utility model is as pin snubber fixing device.Pin snubber assembly 9 is fixed in crab-bolt 2, by fixing-assembly, carries out quick mounting and dismounting.The face that in capable of regulating crab-bolt 2, polygonal ramp structure matches with inclined-plane draw-in groove 101, to realize the commutation function of pin snubber.
As shown in Figure 7, the utility model is as worktable board fixer.By Universal arm assembly 10, work table 11 is fixed in crab-bolt 2, by fixing-assembly, carries out quick mounting and dismounting.
In sum, the utility model provides a kind of quick-release fixing device, for the dismounting between space equipment and spacecraft cabin, comprises fixing-assembly and general anchor point; Wherein, fixing-assembly comprises stop sleeve, crab-bolt and handwheel, and stop sleeve and handwheel sleeve are located in crab-bolt; Handwheel is connected by C type spring arch clasp with the upper end of stop sleeve, realizes the axial restraint between stop sleeve and handwheel, and can relatively rotate between stop sleeve and handwheel; Handwheel is connected with crab-bolt by screw thread, and handwheel can drive stop sleeve along crab-bolt axial motion.The lower end of crab-bolt is provided with polygonal ramp structure, is provided with the inclined-plane draw-in groove matching with polygonal ramp structure on general anchor point; On the lower end of stop sleeve, be provided with circular arc projection, on general anchor point, be provided with the arc neck matching with circular arc projection.A kind of quick-release fixing device that the utility model provides, in whole installation and removal process, astronaut only needs to aim at and the operation of rotation hand wheel, can complete by one hand, simple to operate; And the utility model, by coordinating between polygonal ramp structure and inclined-plane draw-in groove, can be realized the adjustment on space equipment installation direction.
Those skilled in the art should be understood that the utility model can not depart from spirit or scope of the present utility model with many other concrete forms realizations.Although also described embodiment of the present utility model, the utility model should be understood and these embodiments should be restricted to, within the utility model spirit and scope that those skilled in the art can define as appended claims, make and change and revise.

Claims (6)

1. a quick-release fixing device, for space equipment is releasably attached to target location, is characterized in that, described quick-release fixing device comprises the fixing-assembly being arranged on space equipment and is arranged on the general anchor point of target location; Wherein,
Described fixing-assembly comprises crab-bolt, stop sleeve and handwheel, described stop sleeve and described handwheel sleeve are located in described crab-bolt, between described stop sleeve and described handwheel, axial restraint is connected, and between described stop sleeve and described handwheel, can mutually rotate, described handwheel can drive described stop sleeve to move up and down along described crab-bolt; One end of described crab-bolt is provided with polygonal ramp structure, and the cross section of described polygonal ramp structure is the polygonal that limit number is even number;
On described general anchor point, be provided with the rectangular groove of a both ends open, in described rectangular groove, be provided with the inclined-plane draw-in groove matching with described polygonal ramp structure;
Between described fixing-assembly and described general anchor point, by described polygonal ramp structure, match and be connected with described inclined-plane draw-in groove, and described handwheel drives described stop sleeve to press down, the lower end of described stop sleeve is pressed on described general anchor point.
2. quick-release fixing device according to claim 1, is characterized in that, between described handwheel and described crab-bolt, is threaded connection, and rotates described handwheel, makes described handwheel drive described stop sleeve to move axially along described crab-bolt.
3. quick-release fixing device according to claim 1, it is characterized in that, on the connecting end of described stop sleeve and described handwheel, be provided with a protruding ring body, on described handwheel, be provided with and a depressed part, described handwheel is connected with the upper end of described stop sleeve jacket casing, and described protruding ring body is positioned at described depressed part.
4. quick-release fixing device according to claim 3, it is characterized in that, on the madial wall of described sunk part, be provided with annular slot, be provided with C type spring arch clasp in described annular slot, described protruding ring body is arranged between described C type spring arch clasp and the top of described depressed part.
5. quick-release fixing device according to claim 1, is characterized in that, described stop sleeve is provided with a surface platform on one end relative with described polygonal ramp structure, is provided with circular arc projection on the bottom of described surface platform; On the upper-end surface of described general anchor point, be provided with the arc neck matching with described circular arc projection, when described stop sleeve is pressed on described general anchor point, described circular arc projection is positioned at described arc neck.
6. quick-release fixing device according to claim 5, is characterized in that, is provided with two circular arc projections on described surface platform, and symmetrical about the center line of described surface platform.
CN201420118581.4U 2014-03-17 2014-03-17 Quick dismounting and fixing device Expired - Lifetime CN203847941U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420118581.4U CN203847941U (en) 2014-03-17 2014-03-17 Quick dismounting and fixing device

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Application Number Priority Date Filing Date Title
CN201420118581.4U CN203847941U (en) 2014-03-17 2014-03-17 Quick dismounting and fixing device

Publications (1)

Publication Number Publication Date
CN203847941U true CN203847941U (en) 2014-09-24

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Country Status (1)

Country Link
CN (1) CN203847941U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105518372A (en) * 2014-12-30 2016-04-20 深圳市大疆创新科技有限公司 Quick-detaching connection structure, rack structure and remote control

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105518372A (en) * 2014-12-30 2016-04-20 深圳市大疆创新科技有限公司 Quick-detaching connection structure, rack structure and remote control
WO2016106565A1 (en) * 2014-12-30 2016-07-07 深圳市大疆创新科技有限公司 Quick-release connecting structure, bracket structure, and remote controller
CN105518372B (en) * 2014-12-30 2017-06-23 深圳市大疆创新科技有限公司 Quick Release attachment structure, supporting structure and remote control
US10724671B2 (en) 2014-12-30 2020-07-28 SZ DJI Technology Co., Ltd. Quick release connection structures, support structures, and remote controllers

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20170628

Address after: 201108 D, room 101, No. 730, Lu Chun Road, Shanghai, Minhang District

Patentee after: SHANGHAI ASES SPACEFLIGHT TECHNOLOGY Ltd.

Address before: 201108 Minhang District, Shanghai Jin Road, No. 3805

Patentee before: AEROSPACE SYSTEM ENGINEERING SHANGHAI

TR01 Transfer of patent right
CX01 Expiry of patent term

Granted publication date: 20140924

CX01 Expiry of patent term