Airway protection cover of aircraft engine

Abstract

The utility model discloses an air passage protective cover of an aircraft engine, which relates to the field of protective covers and comprises a protective cover body, an air hole is arranged on the protective cover body, drainage meshes are arranged on the side edge of the protective cover body, and a fixing ring is fixedly arranged at the bottom of the protective cover body. Two groups of first fixing ropes, two groups of second fixing ropes, a third fixing rope and a fourth fixing rope are arranged at the bottom end of the fixing ring, adjusting buckles are arranged on the multiple fixing ropes, first fixing assemblies are arranged on the third fixing rope and the fourth fixing rope, and second fixing assemblies are arranged at the bottoms of the first fixing ropes and the bottoms of the second fixing ropes. A reinforcing assembly is arranged on the outer side of the protection cover body. Through the arrangement of the second fixing assembly, the first butt joint block and the second butt joint block can be clamped conveniently until the clamping hook touches the limiting block and moves backwards, when the front end of the clamping hook crosses the limiting block, the clamping hook is driven to reset under the action of the second reset spring, and the notch portion of the front end of the clamping hook is clamped with the protruding block portion of the limiting block.

Description

Technical Field

[0001] The utility model relates to the field of protective covers, in particular to an airway protective cover for an aircraft engine. Background Art

[0002] Aircraft engine, also known as aviation engine, is a highly complex and sophisticated thermal machine. As the heart of the aircraft, it is not only the power of the aircraft's flight, but also an important driving force for the development of aviation. The engine cover (abbreviated as: engine cover) has the following characteristics: flame retardant, waterproof, UV resistant, tear resistant, and tensile strength; the engine cover material is the air inlet cover, usually made of canvas or rainproof cloth.

[0003] The aircraft engine protective cover is installed after the aircraft stops. During installation, the protective cover is installed on the front side of the engine using an installation ladder, and then the protective cover is fixed to the engine using multiple ropes or tapes to prevent the protective cover from falling off.

[0004] When using an existing engine protective cover, the cover body usually covers the engine and is then fixed with a rope. The rope is often not firmly fixed by tying a knot, and if it is tied into a dead knot, it cannot be flexibly disassembled, which reduces work efficiency. In addition, the length of the fixing rope is not easy to adjust during use, so it cannot adapt to different models of engines. Summary of the Invention

[0005] Based on this, the purpose of the present invention is to provide an airway protection cover for an aircraft engine to solve the technical problems mentioned in the above background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: an air duct protective cover for an aircraft engine, comprising a protective cover body, the protective cover body being provided with air holes, the protective cover body being provided with drainage mesh holes on the side thereof, a fixing ring being fixedly provided at the bottom of the protective cover body, two groups of first fixing ropes, two groups of second fixing ropes, a third fixing rope, and a fourth fixing rope being provided at the bottom ends of the fixing rings, respectively, the first fixing ropes, the second fixing ropes, the third fixing ropes, and the fourth fixing ropes being provided with adjustment buckles, the third fixing ropes and the fourth fixing ropes being provided with a first fixing assembly, the first fixing assembly comprising a first docking block provided at the bottom of the third fixing rope, a second docking block cooperating with the first docking block provided at the bottom of the fourth fixing rope, a locking assembly being provided within the first docking block cooperating with the second docking block, the bottoms of the two groups of the first fixing ropes and the second fixing ropes being provided with cooperating second fixing assemblies, the second fixing assembly comprising a buckle provided at the bottom of the two groups of the first fixing ropes, and a buckle loop cooperating with the buckle at the bottom of the two groups of the second fixing ropes, and a reinforcement assembly being provided on the outer side of the protective cover body.

[0007] By adopting the above technical solution, the first fixing assembly and the second fixing assembly are used to fix the protective cover body after it protects the engine, so as to protect the engine.

[0008] The utility model is further configured as follows: the locking assembly includes a first mounting groove provided on one side of the first docking block, a second mounting groove provided on one side of the second docking block, a movable block is installed in the first mounting groove, and the movable block extends from one end of the first docking block, a hook matching the movable block is installed in the second mounting groove, a sliding block is provided at the end of the hook, a sliding groove matching the sliding block is provided on the inner wall of one side of the second mounting groove, a limiting block is installed in the first mounting groove, and the limiting block is located on one side of the movable block, a protrusion matching the hook is provided on the limiting block, a second return spring is fixed between the inner wall of the second mounting groove and the outer surface of one side of the hook, and a matching unlocking mechanism is provided in the first docking block and the second docking block.

[0009] By adopting the above technical solution, the second docking block is docked with the first docking block until the hook enters. When the front end of the hook touches a small protrusion on the limit block, the hook will move backward, and the hook moves in the sliding groove under the action of the bottom sliding block. When the hook part at the front end of the hook passes over the protrusion part where the limit block is located, the hook is driven to reset under the action of the second reset spring, and the notch part at the front end of the hook engages with the protrusion part of the limit block to complete the fixation.

[0010] The utility model is further configured such that the unlocking mechanism includes two connecting rods installed on one side of the movable block, and the two connecting rods are slidably connected to the inner wall of the first installation groove, and a reset piece is provided in both the first docking block and the second docking block.

[0011] By adopting the above technical solution, unlocking is facilitated, and the movable block is pushed to drive the two connecting rods to move backward, thereby squeezing the hook, and the hook slides backward, so that the front end hook part of the hook is separated from the protruding block part where the limit block is located, making it easier for the door panel to drive the second docking block to move backward, so that the hook is removed from the first installation groove, completing the unlocking, and the movable block is reset under the action of the reset member.

[0012] The present invention is further configured such that the reset member includes a first reset spring arranged at one end of one of the connecting rods, and the first reset spring is connected to the inner wall of the first mounting groove away from the end of the connecting rod.

[0013] By adopting the above technical solution, it is easy to drive the movable block connected to the connecting rod to reset.

[0014] The present invention is further configured such that an inserting block is provided at one end of the second docking block, and a notch cooperating with the inserting block is provided at one end of the limiting block.

[0015] By adopting the above technical solution, the locking assembly can be made more stable and the stability can be increased.

[0016] The present invention is further configured such that the first fixing rope, the second fixing rope, the third fixing rope and the fourth fixing rope are all provided with reinforcement belts.

[0017] By adopting the above technical solution, the positions of multiple fixing ropes can be assisted to be fixed, and the use strength of multiple fixing ropes can be improved.

[0018] The utility model is further configured such that the reinforcement component includes an elastic band arranged on the outside of the protective cover body, a Velcro hook surface is provided on one side of the elastic band near the side, and a Velcro loop surface is provided on the other side of the elastic band near the side.

[0019] By adopting the above technical solution, it is convenient to take it out when needed and bundle it for reinforcement.

[0020] The present invention is further configured such that a plurality of reflective strips are provided on the top of the protective cover body.

[0021] By adopting the above technical solution, visibility is increased and it is easier for staff to see.

[0022] In summary, the present invention has the following beneficial effects:

[0023] The utility model achieves the purpose of fixing the engine by providing a locking component, by docking the first docking block with the second docking block until the hook enters, when the front end of the hook touches a small protrusion on the limit block, the hook moves backward, and the hook moves in the sliding groove under the action of the bottom sliding block. When the hook part at the front end of the hook passes over the protrusion part where the limit block is located, the hook is driven to reset under the action of the second reset spring, and the notch part at the front end of the hook engages with the protrusion part of the limit block to complete the fixation.

[0024] The utility model provides an unlocking mechanism to facilitate unlocking and thus pulling out the first docking block, pushing the movable block, driving the two connecting rods to move backward, thereby squeezing the hook, and the hook slides backward, so that the front end hook part of the hook is separated from the protruding part where the limit block is located, making it convenient for the door panel to drive the second docking block to move backward, thereby removing the hook from the first installation groove, completing unlocking, and the movable block is reset under the action of the reset member. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0026] Figure 2 This is a schematic diagram of the split structure of the utility model;

[0027] Figure 3 This is a schematic structural diagram of the second fixing component of the present invention;

[0028] Figure 4 This is a schematic structural diagram of the first fixing component of the present invention;

[0029] Figure 5 This is a schematic cross-sectional structure diagram of the first fixing component of the present invention;

[0030] Figure 6 This is a schematic diagram of the second fast-jointing cross-section structure of the present invention;

[0031] Figure 7 This is a schematic structural diagram of one side of the elastic band of the present invention;

[0032] Figure 8 This is a structural schematic diagram of the other side of the elastic band of the present invention.

[0033] In the figure: 100, protective cover body; 101, air hole; 102, drainage mesh; 103, reflective strip; 200, fixing ring; 201, reinforcement belt; 202, first fixing rope; 203, second fixing rope; 204, third fixing rope; 205, fourth fixing rope; 300, adjustment buckle; 400, buckle; 401, buckle loop; 402, first docking block; 403, first mounting slot; 404, movable block; 405, connecting rod; 406, first return spring; 407, limit block; 408, second docking block; 409, second mounting slot; 410, plug-in block; 411, hook; 412, sliding slot; 413, sliding block; 414, second return spring; 500, elastic band; 501, Velcro hook surface; 502, Velcro loop surface. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0035] The following describes an embodiment of the present invention based on its overall structure.

[0036] An airway protection cover for an aircraft engine, such as Figure 1 - Figure 8As shown, it includes a protective cover body 100, the protective cover body 100 is provided with an air hole 101, the side of the protective cover body 100 is provided with a drainage mesh 102, the bottom of the protective cover body 100 is fixed with a fixing ring 200, the bottom of the fixing ring 200 is respectively provided with two groups of first fixing ropes 202, two groups of second fixing ropes 203, a third fixing rope 204 and a fourth fixing rope 205, the first fixing rope 202, the second fixing rope 203, the third fixing rope 204 and the fourth fixing rope 205 are each provided with an adjustment buckle 300, the third fixing rope 204 and the fourth fixing rope 205 are provided with a first fixing component, the first fixing rope 202, the second fixing rope 203, the third fixing rope 204 and the fourth fixing rope 205 are provided with a first fixing component, The fixing assembly includes a first docking block 402 arranged at the bottom of the third fixing rope 204, and a second docking block 408 is provided at the bottom of the fourth fixing rope 205 to cooperate with the first docking block 402. The first docking block 402 is provided with a locking assembly that cooperates with the second docking block 408. The two groups of the first fixing ropes 202 and the second fixing ropes 203 are provided with a second fixing assembly that cooperates with each other at the bottom. The second fixing assembly includes a buckle 400 arranged at the bottom of the two groups of first fixing ropes 202, and the two groups of second fixing ropes 203 are provided with a buckle 401 that cooperates with the buckle 400 at the bottom. A reinforcement assembly is provided on the outside of the protective cover body 100.

[0037] Specifically, when the aircraft is stopped, the protective cover body 100 is placed on the engine, and the adjustment buckle 300 is adjusted to adjust the length of multiple fixing ropes to adapt to different models of engines. The drainage mesh 102 is used to facilitate drainage, and the air hole 101 is used for gas to pass through. The buckle 400 and the buckle loop 401 are combined to facilitate fixation. The second fixing component is provided with two groups to increase the fixing strength. Finally, the first docking block 402 is docked with the second docking block 408 to complete the locking and increase its stability.

[0038] See also Figure 4 - Figure 6The locking assembly includes a first mounting groove 403 provided on one side of the first docking block 402, a second mounting groove 409 provided on one side of the second docking block 408, a movable block 404 is installed in the first mounting groove 403, and the movable block 404 extends from one end of the first docking block 402, a hook 411 is installed in the second mounting groove 409, and a sliding block 413 is provided at the end of the hook 411, and a sliding groove 412 is provided on the inner wall of one side of the second mounting groove 409 to cooperate with the sliding block 413, a limit block 407 is installed in the first mounting groove 403, and the limit block 407 is located on one side of the movable block 404, the limit block 407 is provided with a protrusion that cooperates with the hook 411, a second return spring 414 is fixed between the inner wall of the second mounting groove 409 and the outer surface of one side of the hook 411, and a matching unlocking mechanism is provided in the first docking block 402 and the second docking block 408.

[0039] By providing a first mounting groove 403, it is convenient to install the movable block 404 and the limit block 407. A through hole is provided at one end of the first docking block 402 for the movable block 404 to extend out. The second mounting groove 409 is provided to facilitate the sliding installation of the hook 411. The hook 411 is J-shaped, and its cross-section matches a cross-section of the movable block 404. By moving the second docking block 408 until the hook 411 enters, when the front end of the hook 411 touches a small protrusion on the limit block 407, the hook 411 will move backward. The hook 411 moves in the sliding groove 412 under the action of the bottom sliding block 413. When the front end hook part of the hook 411 passes over the protruding part of the limit block 407, the hook 411 is driven to reset under the action of the second reset spring 414, and the front end notch part of the hook 411 is engaged with the protruding part of the limit block 407 to complete the fixation.

[0040] See also Figure 4 - Figure 6 The unlocking mechanism includes two connecting rods 405 installed on one side of the movable block 404, and the two connecting rods 405 are slidably connected to the inner wall of the first mounting groove 403, and the first docking block 402 and the second docking block 408 are both provided with reset parts.

[0041] Push the movable block 404, which drives the two connecting rods 405 to move backward, thereby squeezing the hook 411, and the hook 411 slides backward, so that the front end hook part of the hook 211 is separated from the protruding part where the limit block 407 is located, making it easy to pull out the second docking block 408, thereby removing the hook 411 from the first installation groove 403, completing the unlocking, and the movable block 404 is reset under the action of the reset member.

[0042] See also Figure 4 - Figure 6The reset member includes a first reset spring 406 arranged at one end of one of the connecting rods 405, and the first reset spring 406 is connected to the inner wall of the first mounting groove 403 away from the end of the connecting rod 405.

[0043] When unlocking is completed, one of the connecting rods 405 moves backward under the action of the first return spring 406, thereby driving the movable block 404 connected thereto to return to its original position.

[0044] See also Figure 4 - Figure 6 One end of the second docking block 408 is provided with an inserting block 410 , and one end of the limiting block 407 is provided with a notch that cooperates with the inserting block 410 .

[0045] The insertion block 410 is provided to make the locking assembly more stable and increase stability.

[0046] See also Figure 1 The first fixing rope 202 , the second fixing rope 203 , the third fixing rope 204 and the fourth fixing rope 205 are all provided with a reinforcement belt 201 .

[0047] The provision of the reinforcement belt 201 can not only assist in fixing the positions of the multiple fixing ropes, but also improve the use strength of the multiple fixing ropes.

[0048] See also Figure 7 - Figure 8 The reinforcement component includes an elastic band 500 arranged on the outside of the protective cover body 100, and a Velcro hook surface 501 is provided on one side of the elastic band 500 near the side, and a Velcro loop surface 502 is provided on the other side of the elastic band 500 near the side.

[0049] The arrangement of the Velcro hook surface 501 and the Velcro loop surface 502 makes it easy to remove the elastic band 500 so as to be bundled at a desired position, and to fix it on the protective cover body 100 when it is not needed.

[0050] See also Figure 1 , a plurality of reflective strips 103 are provided on the top of the protective cover body 100 .

[0051] The reflective strip 103 is provided to increase visibility, so that the position can be seen clearly even in low light conditions.

[0052] The working principle of the present invention is as follows: when the aircraft stops, the protective cover body 100 is covered on the engine, and the length of multiple fixing ropes can be adjusted by adjusting the adjustment buckle 300 to adapt to different types of engines. The buckle 400 and the buckle loop 401 cooperate to facilitate fixation, and the first docking block 402 is docked with the second docking block 408 until the hook 411 enters. When the front end of the hook 411 touches a small protrusion on the limit block 407, the hook 411 moves backward, and the hook 411 moves in the sliding groove 412 under the action of the bottom sliding block 413. When the hook part at the front end of the hook 411 passes over the protruding part of the limit block 407, the hook 411 is driven to reset under the action of the second reset spring 414, and the notch part at the front end of the hook 411 is engaged with the protruding part of the limit block 407 to complete the fixation.

[0053] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not limitations on the present invention. The specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and purpose of the present invention, but as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. An airway protection cover for an aircraft engine, comprising a protection cover body (100), characterized in that: The protective cover body (100) is provided with an air hole (101), the side of the protective cover body (100) is provided with a drainage mesh (102), the bottom of the protective cover body (100) is fixed with a fixing ring (200), the bottom of the fixing ring (200) is respectively provided with two groups of first fixing ropes (202), two groups of second fixing ropes (203), a third fixing rope (204) and a fourth fixing rope (205), the first fixing rope (202), the second fixing rope (203), the third fixing rope (204) and the fourth fixing rope (205) are all provided with an adjustment buckle (300), the third fixing rope (204) and the fourth fixing rope (205) are provided with a first fixing component, the first fixing component The invention comprises a first docking block (402) arranged at the bottom of the third fixing rope (204); a second docking block (408) matching with the first docking block (402) is provided at the bottom of the fourth fixing rope (205); a locking component matching with the second docking block (408) is provided in the first docking block (402); a second fixing component matching with the bottom of the two groups of the first fixing rope (202) and the second fixing rope (203); the second fixing component comprises a buckle (400) arranged at the bottom of the two groups of the first fixing rope (202); a buckle (401) matching with the buckle (400) is provided at the bottom of the two groups of the second fixing rope (203); and a reinforcement component is provided on the outside of the protective cover body (100).

2. The airway protection cover of an aircraft engine according to claim 1, characterized in that: The locking assembly includes a first mounting groove (403) provided on one side of the first docking block (402), a second mounting groove (409) provided on one side of the second docking block (408), a movable block (404) being installed in the first mounting groove (403), and the movable block (404) extending from one end of the first docking block (402), a hook (411) matching with the movable block (404) being installed in the second mounting groove (409), a sliding block (413) being provided at the end of the hook (411), and the second mounting groove (409) ) is provided with a sliding groove (412) on the inner wall on one side thereof and is matched with the sliding block (413); a limit block (407) is installed in the first installation groove (403), and the limit block (407) is located on one side of the movable block (404); a protrusion matching with the hook (411) is provided on the limit block (407); a second return spring (414) is fixed between the inner wall of the second installation groove (409) and the outer surface of one side of the hook (411); and a matching unlocking mechanism is provided in the first docking block (402) and the second docking block (408).

3. The airway protection cover of an aircraft engine according to claim 2, characterized in that: The unlocking mechanism comprises two connecting rods (405) installed on one side of the movable block (404), and the two connecting rods (405) are slidably connected to the inner wall of the first installation groove (403), and the first docking block (402) and the second docking block (408) are both provided with reset parts.

4. The airway protection cover of an aircraft engine according to claim 3, characterized in that: The reset member includes a first reset spring (406) arranged at one end of one of the connecting rods (405), and the first reset spring (406) is connected to the inner wall of the first installation groove (403) at one end away from the connecting rod (405).

5. The airway protection cover of an aircraft engine according to claim 2, characterized in that: An inserting block (410) is provided at one end of the second docking block (408), and a notch that cooperates with the inserting block (410) is opened at one end of the limiting block (407).

6. The airway protection cover for an aircraft engine according to claim 1, characterized in that: The first fixing rope (202), the second fixing rope (203), the third fixing rope (204) and the fourth fixing rope (205) are all provided with reinforcement belts (201).

7. The airway protection cover for an aircraft engine according to claim 1, characterized in that: The reinforcement component comprises an elastic band (500) sleeved on the outside of the protective cover body (100), a Velcro hook surface (501) being provided on one side of the elastic band (500) near the side, and a Velcro loop surface (502) being provided on the other side of the elastic band (500) near the side.

8. The airway protection cover for an aircraft engine according to claim 1, characterized in that: A plurality of reflective strips (103) are provided on the top of the protective cover body (100).

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