CN203614523U - Reversed installation separation nut installed through pull rod - Google Patents
Reversed installation separation nut installed through pull rod Download PDFInfo
- Publication number
- CN203614523U CN203614523U CN201320760064.2U CN201320760064U CN203614523U CN 203614523 U CN203614523 U CN 203614523U CN 201320760064 U CN201320760064 U CN 201320760064U CN 203614523 U CN203614523 U CN 203614523U
- Authority
- CN
- China
- Prior art keywords
- nut
- separation nut
- air inlet
- center
- support ring
- 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
Links
- 238000000926 separation method Methods 0.000 title claims abstract description 46
- 238000009434 installation Methods 0.000 title abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 9
- 239000000567 combustion gas Substances 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 abstract description 5
- 238000003032 molecular docking Methods 0.000 description 3
- 230000013011 mating Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
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- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The utility model discloses a reversed installation separation nut installed through a pull rod. The reversed installation separation nut comprises a sectioning nut (1), a separating disc (2), a supporting ring (3), O-shaped sealing rings (4), a plug (5), a base (6) and an air inlet pipe base (7). The center of the separating disc (2), the center of the supporting ring (3) and the center of the air inlet pipe base (7) are provided with through holes respectively. According to the reversed installation separation nut, a circular hole channel for the pull rod to penetrate through is designed in the center of the separating nut, when an air vehicle is in butt joint with a vehicle carrier, the pull rod penetrates through the center channel of the separation nut, the bolt threaded end closed in the air vehicle is pulled out of the butt joint face, thread buckling between the separating nut and a butt joint bolt is completed, and the requirement that the bolt threaded end closed in the air vehicle is pulled out of the butt joint face and the thread buckling operating requirements between the bolt threaded end and the separation nut at the carrier vehicle end are met.
Description
Technical field
The utility model belongs to space product mechanical structure field, particularly a kind of anti-assembling structure of separation nut separating for the connection between aircraft and vehicle.
Background technique
Separation nut is because its momentum is little, and the connection being widely used between aircraft and vehicle separates, and conventionally realizes and is connected separation function with corresponding bolt and grabber combination.Due to the anti-heat request of aircraft, grabber and bolt are completely enclosed within aircraft inside conventionally, in the time that aircraft docks with vehicle, cannot directly carry out any fitting operation to bolt, only have the separation nut by twisting vehicle end to complete being connected between aircraft and vehicle, adopt the mounting type of anti-dress.And bolt in grabber enters in grabber completely owing to needing after separation, in the time of docking, the screw thread of bolt does not expose interface, therefore, in the time twisting separation nut, need to, by the threaded end pull-out interface to connecting bolt, complete separation nut and the screw thread between connecting bolt is recognized to button, just can carry out afterwards screwing of separation nut and tighten operation.
The anti-assembling structure adopting is at present for to be designed to T-shape head by bolt head, on shell section interface frame, mating frame, butt hole is slotted hole, when installation, first bolt is screwed in separation nut in advance, then bolt head is passed to oval butt hole, after half-twist, tighten and apply pretightening force realization connection.In this scheme, on aircraft interface frame, mating frame, butt hole need to be processed as slotted hole, and T-shaped bolt head carrying moment of flexure ability is poor, and the detection in installation process is more simultaneously, has reduced the reliability of space product.
Summary of the invention
The purpose of this utility model is, overcomes the deficiencies in the prior art, and a kind of easy to operate, highly versatile, anti-dress separation nut structure that reliability is high are provided.
Technical solution of the present utility model is: a kind of anti-dress separation nut that adopts pull bar to install, is characterized in that: comprise distinguish nut, separator disk, support ring, O RunddichtringO, plug, pedestal and air inlet base; Distinguish nut upper end is by base stand location, and lower end is located by separator disk; Distinguish nut is combined into complete nut by the radial support of support ring; Air inlet base is connected with base thread, and distinguish nut, separator disk and support ring are enclosed in to inside; The center of separator disk, support ring and air inlet base is through hole; Between support ring and air inlet base, between support ring and separator disk, all adopt the mode of piston seal to realize motive sealing by O RunddichtringO between separator disk and air inlet base, form the sealing of combustion gas cavity volume.
The utility model advantage is compared with prior art:
1. than existing separation nut structure, the utility model has increased anti-dress function, at the interface of the anti-dress of needs, in conventional at present docking structure, all can achieve a butt joint by the operation of separation nut end.
2. the utility model proposes a kind of anti-assembling structure design proposal of separation nut that adopts pull bar to install, can be through the circular hole passage of pull bar one of separation nut Center, this passage does not affect sealing and the release separation function of separation nut combustion gas, in the time that aircraft docks with vehicle, use pull bar through separation nut central passage, by the bolt thread end pull-out interface being enclosed in aircraft, complete separation nut and the screw thread between connecting bolt is recognized to button, do not need butt hole, connecting bolt and grabber carry out particular design, can realize the operation that is threaded, meet and recognized button operation requirements by being enclosed in the bolt thread end pull-out interface in aircraft the screw thread completing between vehicle end separation nut.
3. the utility model adopts the anti-assembling structure of separation nut that pull bar is installed, due to general can counter the fill product of separation nut entirety for sealing, other docking structure is conventional structure, in the attended operation of aircraft and vehicle, can complete smoothly fast the attended operation of separation nut and bolt, separation nut is normally realized and is connected the function that separates with release of carrying, have simple in structure, fitting operation facilitates, the feature of highly versatile.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 adopts pull bar scheme of installation between separation nut and bolt.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As Fig. 1, a kind of anti-dress separation nut that adopts pull bar to install of the present utility model, comprises distinguish nut 1, separator disk 2, support ring 3, O RunddichtringO 4, plug 5, pedestal 6 and air inlet base 7.Distinguish nut 1 upper end is located by pedestal 6, and lower end is located by separator disk 2; Distinguish nut 1 is combined into complete nut by the radial support of support ring 3; Air inlet base 7 is threaded with pedestal 6, and distinguish nut 1, separator disk 2 and support ring 3 are enclosed in to inside.The center of separator disk 2, support ring 3 and air inlet base 7 is through hole; Between support ring 3 and air inlet base 7, between support ring 3 and separator disk 2, all adopt the mode of piston seal to realize motive sealing by O RunddichtringO 4 between separator disk 2 and air inlet base 7, form the sealing of combustion gas cavity volume, prevent gas leakage in work.In separator disk 2 and air inlet base 7, be formed centrally the installation passage of anti-dress, before and after installing, all plug 5 be screwed in the center hole of air inlet base 7, prevent that fifth wheel from entering center and installing in passage.
As Fig. 2, for adopting pull bar scheme of installation between separation nut and bolt.Before vehicle and aircraft attended operation, the plug 5 that takes off separation nut, penetrates pull bar 8 in separation nut center hole, stretches in the butt hole of aircraft, be screwed in the default screwed hole of centre of bolt 9 threaded ends, after tightening, by bolt 9 threaded end pull-outs, separation nut screw thread and bolt are recognized and are buckled also, dismounting pull bar 8, the plug 5 of screwing on, blocks the center hole of separation nut, prevents that fifth wheel from entering in separation nut.
The center of separator disk 2 of the present utility model, support ring 3 and air inlet base 7 is through hole, can be through the circular hole passage of pull bar 8 one of separation nut Center, and this passage does not affect sealing and the release separation function of separation nut combustion gas.In the time that aircraft docks with vehicle, use pull bar 8 through separation nut central passage, by the bolt thread end pull-out interface being enclosed in aircraft, complete separation nut and the screw thread between connecting bolt is recognized to button, the realization operation that is threaded, met by be enclosed in the bolt thread end pull-out interface in aircraft and complete and vehicle end separation nut between screw thread recognize button operation requirements.
Above content is the detailed description of the utility model being done in conjunction with concrete preferred case study on implementation, can not assert that the concrete enforcement of the utility model only limits to these explanations.For the utility model person of ordinary skill in the field; without departing from the concept of the premise utility; to each constituent elements of the present utility model, position relationship and Placement in the situation that not changing its function; the equivalent transformation carrying out or alternative, also falls into protection domain of the present utility model.
The unexposed technology of the utility model belongs to general knowledge as well known to those skilled in the art.
Claims (1)
1. an anti-dress separation nut that adopts pull bar to install, is characterized in that: comprise distinguish nut (1), separator disk (2), support ring (3), O RunddichtringO (4), plug (5), pedestal (6) and air inlet base (7); Distinguish nut (1) upper end is by pedestal (6) location, and lower end is located by separator disk (2); Distinguish nut (1) is combined into complete nut by the radial support of support ring (3); Air inlet base (7) is threaded with pedestal (6), and distinguish nut (1), separator disk (2) and support ring (3) are enclosed in to inside; The center of separator disk (2), support ring (3) and air inlet base (7) is through hole; Between support ring (3) and air inlet base (7), between support ring (3) and separator disk (2), all adopt the mode of piston seal to realize motive sealing by O RunddichtringO (4) between separator disk (2) and air inlet base (7), form the sealing of combustion gas cavity volume.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320760064.2U CN203614523U (en) | 2013-11-26 | 2013-11-26 | Reversed installation separation nut installed through pull rod |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320760064.2U CN203614523U (en) | 2013-11-26 | 2013-11-26 | Reversed installation separation nut installed through pull rod |
Publications (1)
Publication Number | Publication Date |
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CN203614523U true CN203614523U (en) | 2014-05-28 |
Family
ID=50767172
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201320760064.2U Expired - Lifetime CN203614523U (en) | 2013-11-26 | 2013-11-26 | Reversed installation separation nut installed through pull rod |
Country Status (1)
Country | Link |
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CN (1) | CN203614523U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106678134A (en) * | 2017-02-24 | 2017-05-17 | 北京宇航系统工程研究所 | Device for utilizing compressed gas for deblocking separation nut |
CN112377501A (en) * | 2020-10-26 | 2021-02-19 | 北京宇航系统工程研究所 | Reverse nut separating device convenient to butt joint operation |
-
2013
- 2013-11-26 CN CN201320760064.2U patent/CN203614523U/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106678134A (en) * | 2017-02-24 | 2017-05-17 | 北京宇航系统工程研究所 | Device for utilizing compressed gas for deblocking separation nut |
CN112377501A (en) * | 2020-10-26 | 2021-02-19 | 北京宇航系统工程研究所 | Reverse nut separating device convenient to butt joint operation |
CN112377501B (en) * | 2020-10-26 | 2022-05-24 | 北京宇航系统工程研究所 | Reverse nut separating device convenient to butt joint operation |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20140528 |