CN213862694U - Elastic ventilation cooling device for airplane - Google Patents
Elastic ventilation cooling device for airplane Download PDFInfo
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- CN213862694U CN213862694U CN202022066223.1U CN202022066223U CN213862694U CN 213862694 U CN213862694 U CN 213862694U CN 202022066223 U CN202022066223 U CN 202022066223U CN 213862694 U CN213862694 U CN 213862694U
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Abstract
The utility model provides an elasticity ventilation cooling device for aircraft, including ventilation cooling air inlet 1, ventilation cooling pipe 2, a N metal spring 3, a N spring fixation stud 4, a N spring fixation upper corner box 5a, a N spring fixation lower corner box 5b, ventilation cooling pipe connector 6, nut 7, split pin 8, wherein: the ventilation cooling air inlet 1 and the ventilation cooling guide pipe 2 are fixed together by welding; the circumference of the upper corner box 5a fixed by N springs along the ventilation and cooling guide pipe 2 is uniformly arranged, the circumference of the lower corner box 5b fixed by N springs along the ventilation and cooling guide pipe connector 6 is uniformly arranged, one end of each spring fixing stud 4 is fixedly arranged on the upper corner box 5a fixed by the spring, the other end of each spring fixing stud 4 is fixedly arranged on the lower corner box 5b fixed by the spring, each metal spring 3 penetrates through the spring fixing stud 4, and the metal spring 3 is clamped between the upper corner box 5a fixed by the spring and the lower corner box 5b fixed by the spring.
Description
Technical Field
The utility model belongs to the technical field of the aviation, a elasticity ventilation cooling device for aircraft is related to.
Background
The engine ventilation cooling system is mainly used for ventilating and cooling specific parts of an engine and an engine nacelle, and generally comprises an air inlet, a ventilation pipeline, a connecting port and other parts 3. At present, most of existing engine ventilation and cooling systems are connected with specific parts of an engine through aviation cotton thread woven hoses, and are fixed through steel clamps to buffer vibration generated during working of the engine. Because the hose works in a high-temperature area for a long time, the service life of the aviation cotton thread braided hose is rapidly shortened, and meanwhile, under the vibration effect, the aviation cotton thread braided hose has the problems of aging, cracking, thread falling and the like, so that the great maintenance workload is caused.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes not enough among the prior art provides a metal flexible connection device with spring, can effectively solve engine ventilation cooling system junction aviation cotton thread and weave the hose life-span short, the problem of easy ageing, checking up, off-line.
The utility model provides an elasticity ventilation cooling device for aircraft includes ventilation cooling air inlet 1, ventilation cooling pipe 2, a N metal spring 3, a N spring fixation stud 4, a N spring fixation upper corner box 5a, a N spring fixation lower corner box 5b, ventilation cooling pipe connector 6, nut 7, split pin 8, wherein:
the ventilation cooling air inlet 1 and the ventilation cooling guide pipe 2 are fixed together by welding;
the N spring fixing upper corner boxes 5a are evenly arranged along the circumference of the ventilation cooling guide pipe 2, the N spring fixing lower corner boxes 5b are evenly arranged along the circumference of the ventilation cooling guide pipe connecting port 6, one end of each spring fixing stud 4 is fixedly arranged on the spring fixing upper corner box 5a, the other end of each spring fixing stud 4 is fixedly arranged on the spring fixing lower corner box 5b, each metal spring 3 penetrates through the spring fixing stud 4, the metal spring 3 is clamped between the spring fixing upper corner box 5a and the spring fixing lower corner box 5b, and the spring fixing upper corner box 5a and the spring fixing lower corner box 5b can freely stretch out and retract.
Preferably, the ventilation cooling duct 2 is riveted with the spring fixing upper corner box 5a.
Preferably, the ventilation cooling conduit connection port 6 is riveted with the spring fixing lower corner box 5b.
Preferably, the outside diameter of the ventilation cooling conduit 2 is smaller than the inside diameter of the ventilation cooling conduit connection port 6 so that relative movement between the ventilation cooling conduit 2 and the ventilation cooling conduit connection port 6 is possible.
Preferably, both ends of each spring fixing stud 4 are fixed between the spring fixing upper corner box 5a and the spring fixing lower corner box 5b by nuts 7.
Preferably, said nuts 7 are each provided with a cotter pin 8 in order to secure the nut 7.
In summary, the utility model provides a metal flexible connecting device with a spring for an engine ventilation cooling system, which can effectively absorb the vibration generated when the engine works and ensure the working reliability of the ventilation cooling system; all parts used by the system are made of metal materials, so that the service life of the system is prolonged, and the workload of daily maintenance is reduced; the device is simple, convenient to disassemble and assemble and has good interchangeability.
Drawings
Fig. 1 is a schematic view of a ventilation cooling device according to the present invention;
FIG. 2 is a schematic view of a metal flexible connection device with a spring according to the present invention;
wherein: 1. the cooling device comprises a ventilation cooling air inlet, 2. a ventilation cooling guide pipe, 3. a metal spring, 4. a spring fixing stud, 5a. a spring fixing upper corner box, 5b. a spring fixing lower corner box, 6. a ventilation cooling guide pipe connector, 7. a nut and 8. a split pin.
Detailed Description
The elastic ventilating and cooling device for the airplane of the utility model is described in detail with the attached drawings:
as shown in fig. 1, a metal flexible connecting device with springs for an engine ventilation cooling system is provided, which comprises 1 ventilation cooling air inlet 1, 1 ventilation cooling conduit 2, 4 metal springs 3, 4 spring fixing studs 4, 4 spring fixing upper corner boxes 5a, 4 spring lower corner boxes 5b, 1 ventilation cooling conduit connecting port 6, 8 nuts 7, and 8 cotter pins 8; wherein, the ventilation cooling air inlet 1 and the ventilation cooling conduit 2 are fixed together by welding; the spring fixing upper corner boxes 5a are uniformly arranged along the circumference of the ventilation and cooling conduit 2, and the spring fixing lower corner boxes 5b are uniformly arranged along the circumference of the ventilation and cooling conduit connecting port 6; each metal spring 3 penetrates through a spring fixing stud 4, the metal spring 3 is clamped between a spring fixing upper corner box 5a and a spring fixing lower corner box 5b, each nut 7 is provided with a split pin 8 for safety, and the ventilation and cooling guide pipe 2 and the ventilation and cooling guide pipe connecting port 6 are connected together through the spring fixing studs 4.
As shown in fig. 2, the ventilation cooling duct 2 is riveted with the spring fixing upper corner box 5 a; the connecting port of the ventilation cooling conduit is riveted with the spring fixing lower corner box 5 b; meanwhile, the ventilation and cooling conduit 2 and the ventilation and cooling conduit connecting port 6 are connected together through the metal spring 3, the spring fixing stud 4 and the nut 7. The outer diameter of the ventilation cooling conduit 2 is smaller than the inner diameter of the ventilation cooling conduit connecting port 6, and the ventilation cooling conduit can move relatively; when the engine works and generates vibration, the metal spring 3 moves up and down along the spring fixing stud 4, and the ventilation and cooling duct connecting port 6 can perform small radial movement relative to the ventilation and cooling duct 2, so that the aim of absorbing vibration is fulfilled.
In summary, the utility model provides a metal flexible connecting device with a spring for an engine ventilation cooling system, which can effectively absorb the vibration generated when the engine works and ensure the working reliability of the ventilation cooling system; all parts used by the system are made of metal materials, so that the service life of the system is prolonged, and the workload of daily maintenance is reduced; the device is simple, convenient to disassemble and assemble and has good interchangeability.
Claims (6)
1. The utility model provides an elasticity ventilation cooling device for aircraft, its characterized in that, the device includes ventilation cooling air inlet (1), ventilation cooling pipe (2), N metal spring (3), fixed stud of N spring (4), fixed upper horn box of N spring (5a), fixed lower horn box of N spring (5b), ventilation cooling pipe connector (6), nut (7), split pin (8), wherein:
the ventilation cooling air inlet (1) and the ventilation cooling guide pipe (2) are fixed together by welding;
the circumference of N fixed upper angle boxes (5a) of spring is evenly arranged along the circumference of the ventilation cooling guide pipe (2), the circumference of the ventilation cooling guide pipe connector (6) is evenly arranged along the circumference of the fixed lower angle box (5b) of N spring, one end of each fixed spring stud (4) is fixedly arranged on the fixed upper angle box (5a) of spring, the other end of each fixed spring stud (4) is fixedly arranged on the fixed lower angle box (5b) of spring, each metal spring (3) penetrates through the fixed spring stud (4), the metal spring (3) is clamped between the fixed upper angle box (5a) of spring and the fixed lower angle box (5b) of spring, and the fixed upper angle box (5a) of spring and the fixed lower angle box (5b) of spring can freely stretch out and draw back.
2. The device according to claim 1, characterized in that the ventilation cooling duct (2) is riveted with a spring-fixed upper corner box (5 a).
3. The device according to claim 1, characterized in that the ventilation and cooling duct connection port (6) is riveted with a spring-fixed lower corner box (5 b).
4. The device according to claim 1, wherein the ventilation cooling conduit (2) has an outer diameter smaller than an inner diameter of the ventilation cooling conduit connection port (6) so as to allow relative movement between the ventilation cooling conduit (2) and the ventilation cooling conduit connection port (6).
5. Device according to claim 1, characterized in that the two ends of each spring anchor stud (4) are fixed between the upper spring anchor corner box (5a) and the lower spring anchor corner box (5b) by means of nuts (7).
6. Device according to claim 5, characterized in that the nuts (7) are each provided with a cotter pin (8) in order to secure the nuts (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022066223.1U CN213862694U (en) | 2020-09-18 | 2020-09-18 | Elastic ventilation cooling device for airplane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022066223.1U CN213862694U (en) | 2020-09-18 | 2020-09-18 | Elastic ventilation cooling device for airplane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213862694U true CN213862694U (en) | 2021-08-03 |
Family
ID=77049129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022066223.1U Active CN213862694U (en) | 2020-09-18 | 2020-09-18 | Elastic ventilation cooling device for airplane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213862694U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114291275A (en) * | 2021-12-20 | 2022-04-08 | 航天神舟飞行器有限公司 | Unmanned aerial vehicle engine heat management flexible connection device |
-
2020
- 2020-09-18 CN CN202022066223.1U patent/CN213862694U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114291275A (en) * | 2021-12-20 | 2022-04-08 | 航天神舟飞行器有限公司 | Unmanned aerial vehicle engine heat management flexible connection device |
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