CN206087274U - Manned undercarriage buffer - Google Patents
Manned undercarriage buffer Download PDFInfo
- Publication number
- CN206087274U CN206087274U CN201621121302.5U CN201621121302U CN206087274U CN 206087274 U CN206087274 U CN 206087274U CN 201621121302 U CN201621121302 U CN 201621121302U CN 206087274 U CN206087274 U CN 206087274U
- Authority
- CN
- China
- Prior art keywords
- buffer
- spring
- manned
- piston
- undercarriage
- 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 - Fee Related
Links
Landscapes
- Fluid-Damping Devices (AREA)
Abstract
The utility model belongs to the technical field of the buffer technique and specifically relates to a manned undercarriage buffer, connect including buffer casing, first joint and second, the upper groove is located the connecting plate upside of through -hole both sides, the lower extreme of first spring is fixed in the upper groove, the upper end of first spring is connected on the overhead gage, be connected with the fixed block between the outer wall of fluid jar and the buffer shells inner wall, the inner chamber of fluid jar is equipped with the piston, the circumference of piston is equipped with the sealing washer, the middle part fixedly connected with second connecting rod of piston lower extreme, the lower extreme of second connecting rod runs through fluid jar and buffer casing and connects with the second and links to each other, be connected with the second spring between the bottom of piston and fluid jar inner chamber. This manned undercarriage buffer, the leakproofness is good, and the shock attenuation is effectual, simple structure, low cost has reduced airline company 's input cost.
Description
Technical field
This utility model is related to buffer technology field, more particularly to a kind of manned undercarriage buffer.
Background technology
Manned undercarriage buffer plays the role of very big during aircraft landing, and manned undercarriage is such as
Fruit does not have buffer, can produce huge vibration in landing, not only makes passenger in aircraft produce strong vibration sense, can also shorten
The service life of aircraft, traditional small-sized manned undercarriage buffer structure are complicated, and manufacturing cost is expensive, increase aviation public
The input cost of department, for this purpose, a kind of it is proposed that manned undercarriage buffer.
Utility model content
The purpose of this utility model is to solve to there is undercarriage buffer structure complexity, manufacture in prior art
Cost intensive, the shortcoming of the input cost of increase airline, and a kind of manned undercarriage buffer for proposing.
To achieve these goals, this utility model employs following technical scheme：
Design a kind of manned undercarriage buffer, including buffer housing, the first joint and the second joint, described
One joint is connected with undercarriage, and second joint is connected with aero tyre, the company of being provided with the middle part of the buffer housing
Fishplate bar, forms cavity between the upper end of the connecting plate and buffer housing inwall, the lower end of the connecting plate is provided with fluid cylinder,
Characterized in that, head rod is connected with the middle part of the buffer housing upper end, the upper end of the head rod and the
One joint is connected, and four through holes are offered on the connecting plate, and the connecting plate is provided with oil-inlet mechanism and oil outlet mechanism；
The oil-inlet mechanism includes low groove, the first spring and lower baffle plate, and the low groove is located at the connection of through hole both sides
On the downside of plate, the upper end of first spring is fixed in low groove, and the lower end of first spring is connected on lower baffle plate, described
Oil outlet mechanism includes upper groove, the first spring and overhead gage, and the upper groove is located on the upside of the connecting plate of through hole both sides, described the
The lower end of one spring is fixed in upper groove, and the upper end of first spring is connected on overhead gage,
Fixed block is connected between the outer wall and buffer housing inwall of the fluid cylinder, the inner chamber of the fluid cylinder is provided with
Piston, the piston are circumferentially with sealing ring, are fixedly connected with the second connecting rod in the middle part of the piston, and described second
The lower end of connecting rod is run through fluid cylinder and buffer housing and is connected with the second joint, the bottom of the piston and fluid cylinder inner chamber
Between be connected with second spring.
Preferably, the overhead gage is equipped with sealing near the side of low groove near the side of upper groove and lower baffle plate
Pad.
Preferably, the sealing ring is circumferentially with cannelure.
Preferably, the sealing gasket is rubber blanket, and the rubber blanket is adhered to overhead gage and lower baffle plate respectively.
Preferably, the rib for preventing sealed ring deformation is provided with the cannelure.
The utility model proposes a kind of manned undercarriage buffer, beneficial effect is：This utility model is in behaviour
When making, work as aircraft landing, the gravity pressure of fuselage in the second connecting rod, the liquid in piston press fluid cylinder being provided with, now
Lower baffle plate is pressed together on connecting plate, and overhead gage is opened so that fluid is entered in cavity, so as to play cushioning effect, works as aircraft
After taking off, the second spring being provided with pulls piston to move down so that lower baffle plate is opened, and overhead gage is pressed together on connecting plate,
So that the fluid in cavity flows back into fluid cylinder, and the manned undercarriage buffer, good airproof performance, good damping effect, structure
Simply, it is with low cost, reduce the input cost of airline.
Description of the drawings
Fig. 1 be the utility model proposes a kind of manned undercarriage buffer structure sectional view；
Fig. 2 be the utility model proposes a kind of manned undercarriage buffer A at structure enlarged diagram.
In figure：Buffer housing 1, the first joint 2, the second joint 3, head rod 4, through hole 5, cavity 6, the first spring
7th, connecting plate 8, fluid cylinder 9, fixed block 10, piston 11, sealing ring 12, second spring 13, the second connecting rod 14, overhead gage 15,
Lower baffle plate 16, low groove 17, upper groove 18.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, rather than whole
Embodiment.
With reference to Fig. 1-2, a kind of manned undercarriage buffer, including buffer housing 1, the first joint 2 and second connect
3, the first joint 2 is connected with undercarriage, and the second joint 3 is connected with aero tyre, and the middle part of buffer housing 1 is provided with company
Fishplate bar 8, forms cavity 6 between 1 inwall of upper end and buffer housing of connecting plate 8, the lower end of connecting plate 8 is provided with fluid cylinder 9, its
It is characterised by, in the middle part of 1 upper end of buffer housing, is connected with head rod 4, the upper end of head rod 4 and the first joint 2
It is connected, on connecting plate 8, offers four through holes 5, connecting plate 8 is provided with oil-inlet mechanism and oil outlet mechanism.
Oil-inlet mechanism includes low groove 17, the first spring 7 and lower baffle plate 16, and low groove 17 is located at the connection of 5 both sides of through hole
On the downside of plate 8, the upper end of the first spring 7 is fixed in low groove 17, and the lower end of the first spring 7 is connected on lower baffle plate 16, fuel-displaced
Mechanism includes upper groove 18, the first spring 7 and overhead gage 15, and upper groove 18 is located on the upside of the connecting plate 8 of 5 both sides of through hole, first
The lower end of spring 7 is fixed in upper groove 18, and the upper end of the first spring 7 is connected on overhead gage 15.
Fixed block 10 is connected between 1 inwall of outer wall and buffer housing of fluid cylinder 9, the inner chamber of fluid cylinder 9 is provided with work
Plug 11, piston 11 be circumferentially with sealing ring 12, and sealing ring 12 is circumferentially with cannelure, and being provided with cannelure prevents sealing ring
The rib of 12 deformations, is fixedly connected with the second connecting rod 14 in the middle part of 11 lower end of piston, the lower end of the second connecting rod 14 is through oil
Fluid cylinder 9 and buffer housing 1 are simultaneously connected with the second joint 3, are connected with the second bullet between the bottom of 9 inner chamber of piston 11 and fluid cylinder
Spring 13, overhead gage 15 are equipped with sealing gasket near the side of low groove 17 near the side of upper groove 18 and lower baffle plate 16, sealing
Pad as rubber blanket, rubber blanket is adhered to overhead gage 15 and lower baffle plate 16 respectively so that the air-tightness of overhead gage 15 and lower baffle plate 16
More preferably, good working effect.
This utility model operation when, work as aircraft landing, the gravity pressure of fuselage in the second connecting rod 14, the piston being provided with
11 extrude the liquid in fluid cylinders 9, and now lower baffle plate 16 is pressed together on connecting plate 8, and overhead gage 15 is opened so that fluid is entered
In cavity 6, so as to play cushioning effect, after taking off, the second spring 13 being provided with pulls piston 11 to move down so that
Lower baffle plate 16 is opened, and overhead gage 15 is pressed together on connecting plate 8 so that the fluid in cavity 6 flows back into fluid cylinder 9, and this is manned
Undercarriage buffer, good airproof performance, good damping effect, simple structure are with low cost, reduce the input of airline into
This.
More than, only this utility model preferably specific embodiment, but protection domain of the present utility model is not limited to
In this, any those familiar with the art in the technical scope that this utility model is disclosed, according to this utility model
Technical scheme and its utility model design in addition equivalent or change, should all cover protection domain of the present utility model it
It is interior.
Claims (5)
1. a kind of manned undercarriage buffer, including buffer housing (1), the first joint (2) and the second joint (3), its
It is characterised by, first joint (2) is connected with undercarriage, second joint (3) is connected with aero tyre, it is described slow
Rush and in the middle part of device housing (1), be provided with connecting plate (8), formed between the upper end of the connecting plate (8) and buffer housing (1) inwall
Cavity (6), the lower end of the connecting plate (8) are provided with fluid cylinder (9), and is connected with the middle part of buffer housing (1) upper end
One connecting rod (4), the upper end of the head rod (4) are connected with the first joint (2), offer four on the connecting plate (8)
Individual through hole (5), the connecting plate (8) are provided with oil-inlet mechanism and oil outlet mechanism；
The oil-inlet mechanism includes low groove (17), the first spring (7) and lower baffle plate (16), and the low groove (17) is positioned at through hole
(5), on the downside of the connecting plate (8) of both sides, the upper end of first spring (7) is fixed in low groove (17), first spring
(7) lower end is connected on lower baffle plate (16), and the oil outlet mechanism includes upper groove (18), the first spring (7) and overhead gage
(15), the upper groove (18) on the upside of the connecting plate (8) of through hole (5) both sides, the lower end of first spring (7) is fixed on
In upper groove (18), the upper end of first spring (7) is connected on overhead gage (15)；
Fixed block (10), the fluid cylinder (9) are connected between the outer wall and buffer housing (1) inwall of the fluid cylinder (9)
Inner chamber be provided with piston (11), the piston (11) is circumferentially with sealing ring (12), and the middle part of piston (11) lower end is solid
Surely be connected with the second connecting rod (14), the lower end of second connecting rod (14) run through fluid cylinder (9) and buffer housing (1) and
It is connected with the second joint (3), between the piston (11) and the bottom of fluid cylinder (9) inner chamber, is connected with second spring (13).
2. a kind of manned undercarriage buffer according to claim 1, it is characterised in that the overhead gage (15) is leaned on
The side of nearly upper groove (18) and lower baffle plate (16) are equipped with sealing gasket near the side of low groove (17).
3. a kind of manned undercarriage buffer according to claim 1, it is characterised in that the sealing ring (12)
It is circumferentially with cannelure.
4. a kind of manned undercarriage buffer according to claim 2, it is characterised in that the sealing gasket is rubber
Pad, the rubber blanket are adhered to overhead gage (15) and lower baffle plate (16) respectively.
5. a kind of manned undercarriage buffer according to claim 3, it is characterised in that be provided with the cannelure
The rib for preventing sealing ring (12) from deforming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621121302.5U CN206087274U (en) | 2016-10-13 | 2016-10-13 | Manned undercarriage buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621121302.5U CN206087274U (en) | 2016-10-13 | 2016-10-13 | Manned undercarriage buffer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206087274U true CN206087274U (en) | 2017-04-12 |
Family
ID=58483159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621121302.5U Expired - Fee Related CN206087274U (en) | 2016-10-13 | 2016-10-13 | Manned undercarriage buffer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206087274U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109747816A (en) * | 2019-01-10 | 2019-05-14 | 南京航空航天大学 | A kind of undercarriage for longitudinally buffeting vibration absorber with oil gas buffer-type |
| CN116812142A (en) * | 2023-04-19 | 2023-09-29 | 南京儒一航空机械装备有限公司 | Undercarriage buffer gear and undercarriage |
-
2016
- 2016-10-13 CN CN201621121302.5U patent/CN206087274U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109747816A (en) * | 2019-01-10 | 2019-05-14 | 南京航空航天大学 | A kind of undercarriage for longitudinally buffeting vibration absorber with oil gas buffer-type |
| CN109747816B (en) * | 2019-01-10 | 2024-04-12 | 南京航空航天大学 | Undercarriage with oil-gas buffer type longitudinal buffeting vibration damper |
| CN116812142A (en) * | 2023-04-19 | 2023-09-29 | 南京儒一航空机械装备有限公司 | Undercarriage buffer gear and undercarriage |
| CN116812142B (en) * | 2023-04-19 | 2024-03-01 | 南京儒一航空机械装备有限公司 | Undercarriage buffer gear and undercarriage |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207997867U (en) | A kind of air spring, the bogie and rail vehicle for being equipped with the air spring | |
| CN206087274U (en) | Manned undercarriage buffer | |
| CN205298375U (en) | Gas spring damping bumper shock absorber | |
| CN104595408A (en) | Shock absorption device of automobile | |
| CN207278765U (en) | A kind of square hole type bottom valve for automobile absorber | |
| US2156117A (en) | Shock strut | |
| CN204784383U (en) | A oil gas combination shock absorber for weighing card driver's cabin | |
| CN204664267U (en) | Single cylinder shock absorber | |
| US2231332A (en) | Shock absorbing strut | |
| CN206495589U (en) | A kind of floor spring with anti-detonation function | |
| CN204041814U (en) | A kind of vibration damper with air bag | |
| US2385045A (en) | Packing ring for shock absorbing struts | |
| CN205654762U (en) | Car double -cylinder shock absorber | |
| CN201693798U (en) | Slide block balancing device for crank pressing machine | |
| CN207814302U (en) | A kind of gas spring piston component sealing structure | |
| CN201982569U (en) | Auxiliary landing actuator cylinder | |
| CN102278413B (en) | Helicopter rotor fluid elastic damper and working method thereof | |
| CN202500941U (en) | Single-cylinder hydraulic damper | |
| CN205278208U (en) | Nitrogen spring with aerify side | |
| CN108468745A (en) | A kind of damper piston valve arrangement | |
| CN107869404A (en) | A kind of dust-proof cylinder cover for diesel engine | |
| CN204553663U (en) | A kind of air-bag vibration damper | |
| CN104806676A (en) | Pneumatic control damp-adjustable shock absorber | |
| CN216343619U (en) | High-performance shock absorber with air spring | |
| CN205533969U (en) | Buffer of automobile shock absorber ware |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 Termination date: 20191013 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |