Breakage-preventing air-entraining and discharging hose for helicopter

Abstract

The utility model discloses an anti-fracture air-entraining discharge hose for helicopters.The anti-fracture air-entraining discharge hose comprises a discharge hose body, the left end and the right end of the discharge hose body are each fixedly provided with a connector, a mounting ring is arranged on a hose body of the discharge hose body in a sleeving mode, and the upper end and the lower end of the mounting ring are each fixedly provided with a fixing lug; the side wall of the mounting ring is slidably connected with telescopic rods, the telescopic rods are arranged in an annular array state relative to the center circle point of the mounting ring, one end of each telescopic rod penetrates and extends into the mounting ring, and the outer side, relative to one end of an inner cavity of the mounting ring, of each telescopic rod is connected with a first spring in a sleeving mode; and an arc-shaped buffer pad is fixedly mounted at one end, relative to the interior of the mounting ring, of the telescopic rod. According to the anti-fracture bleed air discharge hose for the helicopter, fracture of the hose is prevented through fixation, leakage of bleed air is effectively avoided, then leakage of the bleed air is effectively prevented through sealing, and therefore the power output and flight performance of the helicopter are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to aerospace engineering technical field, concretely is a kind of anti-cracking air induction discharge hose for helicopter. BACKGROUND

[0002] Air induction discharge hose is a kind of hose specially designed for the air induction system in aircraft (such as helicopter and airplane). Its main function is to safely discharge the air induction (usually compressed air from the engine or other systems) to the external environment or other systems, and the air induction discharge hose plays a crucial role in the air induction system of the aircraft, ensuring effective discharge of the air induction, thereby ensuring flight safety and normal operation of the equipment.

[0003] When the discharge hose is used, it may be caused by poor air induction discharge, which leads to the rupture of the hose, and further causes the leakage of air induction through the rupture of the hose, which affects the normal operation of the helicopter, and also affects the power output and flight stability of the helicopter, thereby causing the rupture of the air induction discharge hose to cause failure of other systems, causing greater damage. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an anti-cracking air induction discharge hose for helicopter to solve the problem of the current helicopter in flight process caused by poor air induction discharge, which leads to the rupture of the hose, and further causes the leakage of air induction due to the rupture of the hose, which affects the power and flight stability of the helicopter, thereby causing the rupture of the air induction discharge hose to cause failure of other systems, and further affecting the normal operation of the helicopter.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an anti-cracking air induction discharge hose for helicopter, comprising:

[0006] The discharge hose body is fixedly installed with a connector at both ends.

[0007] Further comprising:

[0008] The mounting ring is sleeved on the pipe body of the discharge hose body, and the upper and lower ends of the mounting ring are fixedly installed with a fixed lug.

[0009] Preferably, the diameter of the inner side wall of the mounting ring is greater than the diameter of the outer side wall of the discharge hose body, and the mounting ring is provided with three groups in an array state about the horizontal line of the discharge hose body.

[0010] Preferably, the arc-shaped buffer pad is provided in a semi-arc structure state, and the arc-shaped buffer pad is provided in a fitted state with the outer side wall of the discharge hose body.

[0011] Preferably, the joint is fixedly installed with a second spring close to one end of the discharge hose body, one end of the second spring is fixedly installed with a first sealing ring, and the diameter of the outer side wall of the first sealing ring is consistent with the diameter of the inner side wall of the joint, and the joint is fixedly installed with a second sealing ring away from one end of the discharge hose body, and the diameter of the outer side wall of the second sealing ring is also consistent with the diameter of the inner side wall of the joint.

[0012] Preferably, the inside of the joint is inserted with a mounting head, the outer side wall of the mounting head is provided in a fitted state with the inner side wall of the second sealing ring, and the end close to the first sealing ring of the mounting head is slidingly connected with a gas guide pipe, and the gas guide pipe is provided in a fitted state with the first sealing ring.

[0013] Preferably, the upper and lower ends of the joint are slidingly connected with threaded rods, the inner side wall of the joint is connected with the threaded rods through threads, and one end inside the joint is rotatably connected with a fixing ring, the fixing ring is provided in a semi-arc structure state, and the fixing ring is provided in a fitted state with the mounting head, the threaded rod is connected with a third spring outside the rod body about one end inside the joint, and the end close to the third spring of the fixing ring is fixedly installed with a third sealing ring.

[0014] Compared with the prior art, the heli used air guide discharge hose for preventing rupture has the advantages that the rupture of the hose is prevented, the leakage of the air guide is effectively avoided, the leakage of the air guide is also effectively prevented through the sealing, the power output and the flight performance of the helicopter are improved, the risk of flight accidents is reduced, the displacement of the hose is effectively prevented through the buffering of the strong air flow, the continuity of the air flow is maintained, and the leakage risk caused by the hose falling off or poor connection is effectively prevented.

[0015] 1. The utility model provides a set with joint, second spring, first sealing ring, mounting head, air lead pipe, threaded rod and fixed ring, through the inner side wall of joint and threaded rod are connected through the thread, also through fixed ring half arc shape structure and the outer side wall of mounting head are pasted together, then through fixed ring moves in the inside of joint by threaded rod, thereby mounting head is fixed through fixed ring, then air lead pipe is slidably connected in the inside of mounting head, and air lead pipe and first sealing ring are pasted together, thereby first sealing ring and second spring are fixed together, thereby the mutual cooperation between first sealing ring and second spring can extrude and buffer the air lead in and out, can prevent the breakage of hose through fixing, thereby effectively avoid the leakage of air lead, and the stable emission ensures that the engine operates under the best state, thereby the power output and flight performance of helicopter are improved;

[0016] 2. The utility model provides a set with first sealing ring, second sealing ring and third sealing ring, through the outer side wall diameter of first sealing ring and the inner side wall diameter of joint are consistent, and the outer side wall diameter of second sealing ring and the inner side wall diameter of joint are also consistent, also through the outer side wall of mounting head and the inner side wall of second sealing ring are pasted together, thereby can prevent air lead leakage, then the third sealing ring is connected through the one end of the rod body of threaded rod close to fixed ring, thereby also prevent the leakage of air lead, thereby can effectively prevent the leakage of air lead, reduce the risk of flight accident, and also reduce the cost of long -term maintenance;

[0017] 3. The utility model provides a set with discharge hose body, mounting ring, telescopic rod, first spring and arc buffer pad, through mounting ring about the horizontal line of discharge hose body is set in the outside of discharge hose body, and the inner side wall diameter of mounting ring is greater than the outer diameter of discharge hose body, then also through arc buffer pad half arc shape structure and the outer side wall of discharge hose body are pasted together, thereby when receiving strong air current, makes discharge hose body slide through arc buffer pad drive telescopic rod, thereby also makes telescopic rod drive first spring compression, can prevent the displacement of hose through the buffer of air current, thereby keeps the continuity of air lead flow, also prevents the leakage risk caused by hose falling or poor connection, thereby improves flight safety. ACCURACY OF DRAWINGS

[0018] Figure 1 It is the front view structure schematic diagram of the utility model;

[0019] Figure 2 It is the side view structure schematic diagram of the mounting ring of the utility model;

[0020] Figure 3 It is the side view structure schematic diagram of the mounting ring of the utility model;

[0021] Figure 4The utility model discloses a joint's main view cross section structure schematic diagram;

[0022] Figure 5 The utility model discloses Figure 4 A place amplification structure schematic diagram.

[0023] In the drawing: 1, discharge hose body; 2, joint; 3, mounting ring; 4, fixed lug; 5, telescopic rod; 6, first spring; 7, arc buffer pad; 8, second spring; 9, first sealing ring; 10, second sealing ring; 11, mounting head; 12, air induction pipe; 13, threaded rod; 14, fixed ring; 15, third spring; 16, third sealing ring. Specific embodiments

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0025] Please refer to Figures 1-5 The utility model provides a kind of technical solutions: a kind of helicopter air induction discharge hose for preventing rupture, it include: discharge hose body 1, joint 2, mounting ring 3, fixed lug 4, telescopic rod 5, first spring 6, arc buffer pad 7, second spring 8, first sealing ring 9, second sealing ring 10, mounting head 11, air induction pipe 12, threaded rod 13, fixed ring 14, third spring 15, third sealing ring 16.

[0026] First as shown in the drawing Figure 1 When installing discharge hose body 1 on the helicopter, first three groups of mounting ring 3 are sequentially sleeved on the outside of discharge hose body 1, so that discharge hose body 1 is placed in the middle of arc buffer pad 7, and fixed lug 4 is fixedly installed on the upper and lower ends of mounting ring 3, so that fixed lug 4 is fixedly installed at the specified position, then mounting head 11 is connected with the specified position on the helicopter, so that mounting head 11 is inserted into the inside of joint 2;

[0027] As shown in the drawing Figure 1 , the drawing Figure 4 and the drawing Figure 5As shown in the figure, when the exhaust hose body 1 is installed in the designated position through the installation ring 3, and also through the connection of the installation head 11 with the designated position on the helicopter, and also through the insertion of the installation head 11 into the inside of the joint 2, then the second sealing ring 10 is fixedly installed in the inside of the joint 2, and the outer side wall diameter of the second sealing ring 10 is consistent with the inner side wall diameter of the exhaust hose body 1, and the installation head 11 is inserted into the inside of the joint 2 and the outer side wall of the installation head 11 is set in a state of close contact with the inner side wall of the second sealing ring 10, because the second spring 8 is fixedly installed at one end of the joint 2 close to the exhaust hose body 1, and one end of the second spring 8 is fixedly installed with the first sealing ring 9, and the installation head 11 is also slidingly connected with the air guide pipe 12 at one end inside the joint 2, and the air guide pipe 12 is set in a state of close contact with the first sealing ring 9, so that the installation head 11 is driven by the first sealing ring 9 and the second spring 8 is compressed, and then the inner side wall of the joint 2 is connected with the threaded rod 13 through threads, and the threaded rod 13 is rotatably connected with the fixed ring 14 at one end inside the joint 2, and the fixed ring 14 is set in a semicircular structure, and then the threaded rod 13 is rotated, so that the threaded rod 13 drives the fixed ring 14 and the outer side wall of the installation head 11 to tightly close together, and then the installation head 11 is fixed through the cooperation between the fixed ring 14 and the threaded rod 13, so as to prevent rupture or leakage under strong air guide;

[0028] As shown in the figure Figure 1 , the figure Figure 2 , the figure Figure 3 , the figure Figure 4 , the figure Figure 5As shown in the middle, when the joint 2 inside the left and right ends of the exhaust hose body 1 is connected with the designated position on the helicopter during operation, and also fixed through the cooperation between the mounting ring 3 and the fixing lug 4, then the arc-shaped buffer pad 7 is arranged in a half-arc structure and is in a state of adhesion with the outer wall of the exhaust hose body 1, so that the exhaust hose body 1 is deformed under the impact of strong air force, so that the exhaust hose body 1 drives the telescopic rod 5 to slide through the arc-shaped buffer pad 7, and the telescopic rod 5 is arranged in a ring array state about the center point of the mounting ring 3, so that the mounting ring 3 drives the telescopic rod 5 on the ring to slide synchronously through the arc-shaped buffer pad 7, and the telescopic rod 5 drives the first spring 6 to stretch, so that the mutual cooperation between the telescopic rod 5, the first spring 6 and the arc-shaped buffer pad 7 can avoid the splitting of the exhaust hose body 1 under the impact of strong air force, and the cooperation between the mounting ring 3 and the fixing lug 4 can also avoid the displacement of the exhaust hose body 1 under the impact of strong air force, so as to cause the falling or poor connection of the exhaust hose body 1, and when the air flows between the exhaust hose body 1, the joint 2 and the mounting head 11, the second spring 8 drives the air pipe 12 to slide in the inside of the mounting head 11 through the first sealing ring 9 by the cooperation between the second spring 8 and the first sealing ring 9, and then the third spring 15 is connected with the third sealing ring 16 through the threaded rod 13 about the outer side of the rod body of one end of the joint 2, so as to effectively prevent the leakage caused by the air, so as to ensure the continuity of the air flow.

[0029] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art, the standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0030] Although the utility model has been described in detail with reference to the foregoing embodiments, the person skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A helicopter bleed air discharge hose that prevents rupture, comprising: a discharge hose body (1), both left and right ends of which are fixedly installed with a connector (2); characterized in that it further comprises: a mounting ring (3) that is sleeved on the pipe body of the discharge hose body (1), both upper and lower ends of which are fixedly installed with a fixed lug (4), a side wall of the mounting ring (3) is slidingly connected with an extension rod (5), the extension rod (5) is arranged in an annular array state about the center point of the mounting ring (3), and one end of the extension rod (5) extends through to the inside of the mounting ring (3), a first spring (6) is sleeved and connected on the outside of one end of the inner cavity of the mounting ring (3) about the extension rod (5), and an arc-shaped buffer pad (7) is fixedly installed on one end of the inner part of the mounting ring (3) about the extension rod (5).

2. The burst resistant helicopter bleed air exhaust hose of claim 1, wherein: The diameter of the inner side wall of the mounting ring (3) is greater than the diameter of the outer side wall of the discharge hose body (1), and the mounting ring (3) is arranged in an array state about the horizontal line of the discharge hose body (1) with three groups.

3. The burst resistant helicopter bleed air discharge hose of claim 1, wherein: The arc-shaped buffer pad (7) is arranged in a semi-arc structure state, and is arranged in a fitted state with the outer side wall of the discharge hose body (1).

4. The burst resistant helicopter bleed air discharge hose of claim 1, wherein: The connector (2) is fixedly installed with a second spring (8) near one end of the discharge hose body (1), one end of the second spring (8) is fixedly installed with a first sealing ring (9), the outer side wall diameter of the first sealing ring (9) is consistent with the inner side wall diameter of the connector (2), the connector (2) is fixedly installed with a second sealing ring (10) away from one end of the discharge hose body (1), and the outer side wall diameter of the second sealing ring (10) is also consistent with the inner side wall diameter of the connector (2).

5. The burst resistant helicopter bleed air discharge hose of Claim 1, wherein: The inside of the connector (2) is inserted with a mounting head (11), the outer side wall of the mounting head (11) is arranged in a fitted state with the inner side wall of the second sealing ring (10), and the mounting head (11) is slidingly connected with an air guide pipe (12) near one end of the first sealing ring (9), and the air guide pipe (12) is arranged in a fitted state with the first sealing ring (9).

6. The burst resistant helicopter bleed air exhaust hose of claim 1, wherein: Both upper and lower ends of the connector (2) are slidingly connected with a threaded rod (13), the inner side wall of the connector (2) is connected with the threaded rod (13) through threads, and one end of the threaded rod (13) inside the connector (2) is rotatably connected with a fixed ring (14), the fixed ring (14) is arranged in a semi-arc structure state, and is arranged in a fitted state with the mounting head (11), a third spring (15) is sleeved and connected on the outer side of the rod body of one end of the threaded rod (13) about the fixed ring (14), and a third sealing ring (16) is fixedly installed on one end of the fixed ring (14) near the third spring (15).

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