CN203430239U - Opening and closing device, with positioning pin, of airplane maintenance cover - Google Patents
Opening and closing device, with positioning pin, of airplane maintenance cover Download PDFInfo
- Publication number
- CN203430239U CN203430239U CN201320182001.3U CN201320182001U CN203430239U CN 203430239 U CN203430239 U CN 203430239U CN 201320182001 U CN201320182001 U CN 201320182001U CN 203430239 U CN203430239 U CN 203430239U
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- alignment pin
- hinge
- maintenance cover
- airplane
- hole
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Abstract
An opening and closing device, with a positioning pin, of an airplane maintenance cover, relates to the opening and closing technology field of an airplane maintenance cover, and especially relates to the field of the opening and closing technology with a positioning function of an airplane maintenance cover. A crank connected with an airplane body via a hinge is provided with a boss that is place close to the hinge. The wall plate of the hinge is equipped with an L-shaped through hole, and a movable positioning pin is disposed in the through hole. Moreover, when the positioning pin is at the corner of the bottom of the through hole, the pin can prevent the boss from moving so that a maintenance cover can be supported. The above opening and closing device, with a positioning pin, of an airplane maintenance cover, does not need a supporting rod disposed at the inner side of a maintenance cover and other relative auxiliary devices. Therefore, the forming structure of a maintenance cover is simplified, the weight of a maintenance cover is reduced, a maintenance cover is convenient to open and close, space obstruction caused by a conventional supporting rod for maintenance work of an airplane is avoided, and the maintenance efficiency of an airplane is improved.
Description
Technical field
Technical field is closed in the switching that the present invention relates to aircraft maintenance lid, particularly relates to the switching of the aircraft maintenance lid of positioning function and closes technical field.
Background technology
Aircraft, for conventional maintenance, need have some lids of safeguarding on body.The opening/closing apparatus of common aircraft maintenance lid as shown in Figure 1, safeguards that lid 1 is connected with one end of crank 2, and the other end of described crank 2 is connected with airframe 4 and is formed the unlatching and closure of aircraft maintenance lid by hinge 3; Safeguard fixing after opening of lid when carrying out aircraft maintenance, in the inner side of safeguarding lid 1, fixed bearing 5 is set in order to connect one end of support bar 6, the other end of support bar 6 is fixed in the fixed groove 7 arranging on airframe 4; Safeguard that complete need close while safeguarding lid 1, one end that support bar 6 is fixed in fixed groove 7 is withdrawn from groove 7, is positioned over and safeguards in the fixing hoop 8 that lid 1 inner side arranges.But above-mentioned aircraft maintenance lid opening/closing apparatus, because the support bar 6 of fixed maintenance lid is supported in the maximum open place that safeguards lid just, causes the obstruction on space to carrying out of aircraft maintenance work, has reduced the efficiency of aircraft maintenance work.
Summary of the invention
Technical problem to be solved by this invention is: reduce the support bar that arranges in aircraft maintenance lid to aircraft maintenance work carry out caused steric restriction, improve the operating efficiency of aircraft maintenance.
Technical scheme of the present invention is: for reduce the support bar that arranges in aircraft maintenance lid to aircraft maintenance work carry out cause to obtain steric restriction, improve the operating efficiency of aircraft maintenance, a kind of aircraft maintenance lid opening/closing apparatus with alignment pin of special proposition, it forms structure as shown in Figures 2 and 3, by safeguarding that lid 1 is connected with one end of crank 2, the other end of described crank 2 is connected to form by hinge 3 and airframe 4, further on the crank 2 being connected by hinge 3 with airframe 4, near hinge 3 places, boss 9 is set on this basis, on the wallboard 10 of hinge 3, L shaped through hole 11 is set, the interior setting of described through hole 11 is alignment pin 12 movably, so that just stop boss 9 motions that arrange on crank 2 when the corner, bottom of alignment pin 12 in L shaped through hole 11, thereby realize the support of safeguarding lid to opening, for fear of the vibrations that produce in airplane motion process, make loose pin 12 be strayed into the bottom of L shaped through hole 11, cause safeguarding that lid cannot normally open, alignment pin 12 center is connected with one end of extension spring 13, and the other end of extension spring 13 is fixed on the base of hinge 3.
Motion for the ease of alignment pin 12 in L shaped through hole 11, alignment pin 12 adopts cylindrical structural; In order more effectively to stop the motion of crank 2, crank 2 convex platforms 9 adopt circular arc with the contact surface of alignment pin 12.
For fear of alignment pin 12 by coming off in L shaped through hole 11, the nut that alignment pin 12 adopts bolts and mates with it.
The invention has the beneficial effects as follows: by boss being set near hinge place on the crank being connected by hinge with airframe, L shaped through hole is set on the wallboard of hinge, movably alignment pin is set in described through hole, so that when the bottom corner of alignment pin in L shaped through hole, just stop the boss motion arranging on crank, thereby realize the support of safeguarding lid to opening; For fear of the vibrations that produce in airplane motion process, make loose pin be strayed into the bottom of L shaped through hole, cause safeguarding that lid cannot normally open, the center of alignment pin is connected with one end of extension spring, the other end of extension spring is fixed on the base of hinge; The above-mentioned aircraft maintenance lid opening/closing apparatus with alignment pin can be removed and safeguard the support bar of lid inner side setting and relevant servicing unit thereof, simplified the composition structure of safeguarding lid, alleviated the weight of safeguarding lid, facilitated the switching of safeguarding lid, avoided original support bar to aircraft maintenance work carry out caused steric restriction, improved the operating efficiency of aircraft maintenance.
Accompanying drawing explanation
Fig. 1 is original aircraft maintenance lid opening/closing apparatus structural representation;
Fig. 2 is the structural representation of the aircraft maintenance lid opening/closing apparatus with alignment pin of the present invention;
Fig. 3 is the partial sectional view of hinge 3 in Fig. 2.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment, the present invention is described in further detail:
Aircraft maintenance lid opening/closing apparatus with alignment pin of the present invention is successfully applied to aircraft and safeguards in the design of lid, as shown in Figures 2 and 3, after alignment pin 12 adopts bolt through L shaped through hole 11 set on the wallboard 10 of hinge 3, by the nut mating with it, be socketed to avoid alignment pin 12 by coming off in L shaped through hole 11, be convenient to the motion of alignment pin 12 in L shaped through hole 11 simultaneously; Crank 2 convex platforms 9 adopt circular arc with the contact surface of alignment pin 12, so that alignment pin 12 more effectively stops the motion of crank 2; Alignment pin 12 center is connected with one end of extension spring 13, the other end of extension spring 13 is fixed on the base of hinge 3, when maintenance, open and safeguard after lid 1, stretch out one's hand the two ends of holding alignment pin 12, the upper end of alignment pin 12 set L shaped through hole 11 on the wallboard 10 of hinge 3 is drawn in behind the corner, bottom of L shaped through hole 11, slightly close and safeguard lid 1, so that contact with alignment pin 12 with safeguarding the boss 9 on the crank 2 that lid 1 is connected, in order to stop the continuation campaign of crank 2, make to safeguard that lid 1 is opened wide and positioning supports; After maintenance work finishes, slightly open and safeguard lid 1, so that disengage with alignment pin 12 with safeguarding the boss 9 on the crank 2 that lid 1 is connected, stretch out one's hand the two ends of holding alignment pin 12, after the corner, bottom of alignment pin 12 set L shaped through hole 11 on the wallboard 10 of hinge 3 being drawn in to the vertical position of L shaped through hole 11, loose one's grip, under the effect of extension spring 13, alignment pin 12 is returned to the upper end of L shaped through hole 11; The vibrations that extension spring 13 can also be avoided producing in airplane motion process make loose pin 12 be strayed into the bottom of L shaped through hole 11, cause safeguarding that lid cannot normally open; The use of the aircraft maintenance lid opening/closing apparatus with alignment pin of the present invention, support bar set in original aircraft maintenance lid and the clamping device of support bar thereof have been eliminated, simplified the composition structure of safeguarding lid, alleviated the weight of safeguarding lid, facilitated the switching of safeguarding lid, avoided original support bar to aircraft maintenance work carry out cause to obtain steric restriction, improved the operating efficiency of aircraft maintenance.
Claims (3)
1. the aircraft maintenance lid opening/closing apparatus with alignment pin, by safeguarding that lid (1) is connected with one end of crank (2), the other end of described crank (2) is connected to form by hinge (3) and airframe (4), it is characterized in that: at the upper close hinge (3) of the crank (2) being connected by hinge (3) with airframe (4), locate to arrange boss (9), on the wallboard (10) of hinge (3), L shaped through hole (11) is set, movably alignment pin (12) is set in described through hole (11), so that just stop upper boss (9) motion arranging of crank (2) when the corner, bottom of alignment pin (12) in L shaped through hole (11), center at alignment pin (12) is connected with one end of extension spring (13), and the other end of extension spring (13) is fixed on the base of hinge (3).
2. the aircraft maintenance lid opening/closing apparatus with alignment pin according to claim 1, it is characterized in that: described alignment pin (12) adopts cylindrical structural, crank (2) convex platform (9) adopts circular arc with the contact surface of alignment pin (12).
3. the aircraft maintenance lid opening/closing apparatus with alignment pin according to claim 1 and 2, is characterized in that: the nut that described alignment pin (12) adopts bolt and mates with it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320182001.3U CN203430239U (en) | 2013-04-12 | 2013-04-12 | Opening and closing device, with positioning pin, of airplane maintenance cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320182001.3U CN203430239U (en) | 2013-04-12 | 2013-04-12 | Opening and closing device, with positioning pin, of airplane maintenance cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203430239U true CN203430239U (en) | 2014-02-12 |
Family
ID=50059287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320182001.3U Expired - Fee Related CN203430239U (en) | 2013-04-12 | 2013-04-12 | Opening and closing device, with positioning pin, of airplane maintenance cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203430239U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106184702A (en) * | 2016-09-23 | 2016-12-07 | 江西洪都航空工业集团有限责任公司 | Waterproof quick-release combination lid |
| CN110937101A (en) * | 2019-12-16 | 2020-03-31 | 天津爱思达航天科技有限公司 | Snap fastener type quick locking mechanism for aircraft flap |
| CN110984742A (en) * | 2019-11-27 | 2020-04-10 | 天津爱思达新材料科技有限公司 | Hinge for aircraft |
| CN113320713A (en) * | 2021-04-29 | 2021-08-31 | 中国电子科技集团公司第二十九研究所 | Pod large-opening-face quick-release maintenance opening cover device and design method |
-
2013
- 2013-04-12 CN CN201320182001.3U patent/CN203430239U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106184702A (en) * | 2016-09-23 | 2016-12-07 | 江西洪都航空工业集团有限责任公司 | Waterproof quick-release combination lid |
| CN110984742A (en) * | 2019-11-27 | 2020-04-10 | 天津爱思达新材料科技有限公司 | Hinge for aircraft |
| CN110937101A (en) * | 2019-12-16 | 2020-03-31 | 天津爱思达航天科技有限公司 | Snap fastener type quick locking mechanism for aircraft flap |
| CN110937101B (en) * | 2019-12-16 | 2024-05-24 | 天津爱思达航天科技有限公司 | Snap-on quick locking mechanism for aircraft flap |
| CN113320713A (en) * | 2021-04-29 | 2021-08-31 | 中国电子科技集团公司第二十九研究所 | Pod large-opening-face quick-release maintenance opening cover device and design method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20140212 Termination date: 20160412 |