Lifesaving slide for escape training of aircraft crew

Abstract

The utility model relates to the technical field of lifesaving slides, and provides a lifesaving slide for escape training of aircraft crew personnel, which comprises a lifesaving slide body, an air inflation cavity is arranged in the lifesaving slide body, a protective structure is fixed on the outer side of the lifesaving slide body, a pressure sensor is fixed on the inner wall of the lifesaving slide body at the top of the air inflation cavity, and the pressure sensor is connected with the lifesaving slide body. And an air inlet pipe is fixed at one end of the emergency escape ladder body. Through the arrangement of the air inlet pipe, under the interference clamping connection effect of the sealing strip and the air inlet pipe, it can be guaranteed that the air pump smoothly conveys air to the pressure sensor through the air supply pipe and conveys the air to the interior of the inflation cavity, the emergency escape ladder body can be rapidly inflated, the stability of the emergency escape ladder body during inflation is guaranteed, and the service life of the emergency escape ladder body is prolonged. According to the lifesaving slide for the escape training of the aircraft crew, the function of conveniently sealing connection between the air inlet pipe and the air supply pipe is achieved, and the safety and stability of the lifesaving slide for the escape training of the aircraft crew during use are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to life slide technical field, especially in aircraft crew personnel escape training uses life slide. BACKGROUND

[0002] The cabin door of modern large civil aircraft is generally several meters high from the ground, in the emergency, such as fire, mechanical failure or other emergencies, passengers and crew need to quickly and safely evacuate from the aircraft. As a key escape device, the design and performance of the life slide are directly related to the evacuation efficiency and personnel safety, so a life slide for aircraft crew escape training needs to be designed;

[0003] Therefore, the patent with publication number CN212369431U discloses an inflatable life slide, which comprises a gas inflating bag, the bottom end of the gas inflating bag is fixed with a first support plate, a second support plate and a third support plate from left to right, the bottom end of the first support plate and the second support plate is fixed with a first protrusion and a second protrusion respectively, and the top end of the second support plate and the third support plate is provided with a first recess and a second recess respectively. The structure of the utility model inflates the inside of the gas inflating bag through the inflation pipeline, which makes the second support plate and the second support plate expand at the same time, and the first support plate, the second support plate and the third support plate are arranged in a straight line, and the first protrusion and the second protrusion are arranged in the first recess and the second recess respectively, which can support the first support plate, the second support plate and the third support plate, making the inflatable life slide safer to use.

[0004] Although the inflatable life slide is safer to use, the inflation port is prone to air leakage when installing the air pump during inflation, so a life slide for aircraft crew escape training needs to be designed. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a life slide for aircraft crew escape training, which solves the defect that the inflation port of the existing life slide for escape training is prone to air leakage when installing the air pump during inflation.

[0006] In order to solve the above technical problems, the utility model provides the following technical scheme: a life slide for aircraft crew escape training, comprising a life slide body;

[0007] An inflation cavity is formed in the inside of the life slide body, and a protection structure is fixed to the outside of the life slide body;

[0008] A pressure sensor is fixed to the inner wall of the life slide body at the top of the inflation cavity, an air inlet pipe is fixed to one end of the life slide body, and a gas delivery pipe is threadedly installed on one side of the air inlet pipe;

[0009] The air inlet pipe is provided with a sealing structure on the side close to the air conveying pipe, the sealing structure comprises a sealing groove, a sealing strip and a deformation groove, the sealing groove is arranged on the side of the air inlet pipe close to the air conveying pipe, the sealing strip is arranged in the sealing groove, and the deformation groove is arranged in the sealing strip.

[0010] Further, the protection structure comprises an adhesive layer, a fireproof layer and a wear-resistant layer, the adhesive layer is fixed to the outer wall of the lifesaving ladder body, the fireproof layer is fixed to the outer wall of the adhesive layer, and the wear-resistant layer is fixed to the outer wall of the fireproof layer.

[0011] Further, the fireproof layer is a polyurethane layer.

[0012] Further, the wear-resistant layer is a polyurea elastomer layer.

[0013] Further, the pressure sensor is internally provided with a single-chip microcomputer, one end of the air conveying pipe is externally connected with an air pump, and the output end of the pressure sensor and the input end of the air conveying pipe are electrically connected through the single-chip microcomputer.

[0014] Further, one end of the air inlet pipe extends to the inside of the inflation cavity.

[0015] Further, the sealing strip and the air inlet pipe are connected through interference fit connection of the sealing groove, and one side of the sealing strip is fixedly connected with one side of the air conveying pipe.

[0016] The lifesaving slide of the present application has the advantages that:

[0017] The air pump can smoothly deliver gas to the pressure sensor through the air conveying pipe, and the gas is delivered to the inside of the inflation cavity, so that the lifesaving ladder body can be quickly inflated, the stability of the lifesaving ladder body during inflation is ensured, the device has the function of sealing the connection between the air inlet pipe and the air conveying pipe, and the safety and stability of the lifesaving slide for the escape training of the aircraft crew during use are improved.

[0018] The damage of open fire to the lifesaving ladder body is reduced, the service life of the lifesaving ladder body is prolonged, the durability of the lifesaving ladder body during use is improved, the service life of the lifesaving ladder body is prolonged, the device has the function of wear-resistant and fireproof for the lifesaving ladder body, and the durability of the lifesaving slide for the escape training of the aircraft crew during use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a first perspective view of the whole three-dimensional structure of the present application.

[0020] Figure 2 It is the whole three-dimensional second visual angle structure schematic view of the utility model;

[0021] Figure 3 It is the main view cross section structure schematic view of the utility model;

[0022] Figure 4 It is the side view cross section structure schematic view of the utility model;

[0023] Figure 5 It is the Figure 4 It is the enlarged structure schematic view of A place in the middle;

[0024] Figure 6 It is the overhead view cross section three-dimensional structure schematic view of the utility model.

[0025] The figure mark explanation: 1, life-saving ladder body; 2, protection structure; 21, adhesive layer; 22, fireproof layer; 23, wear-resistant layer; 3, inflation cavity; 4, pressure sensor; 5, air inlet pipe; 6, sealing structure; 61, sealing groove; 62, sealing strip; 63, deformation groove; 7, air supply pipe. DETAILED DESCRIPTION

[0026] 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, 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.

[0027] Please refer to Figures 1-6 The utility model provides a life-saving slide for airplane crew escape training, which comprises a life-saving ladder body 1.

[0028] Refer to Figures 1-4 and Figure 6 The life-saving ladder body 1 is internally provided with an inflation cavity 3, and the outer side of the life-saving ladder body 1 is fixed with a protection structure 2, which comprises an adhesive layer 21, a fireproof layer 22 and a wear-resistant layer 23. The adhesive layer 21 is fixed to the outer wall of the life-saving ladder body 1, the fireproof layer 22 is fixed to the outer wall of the adhesive layer 21, and the wear-resistant layer 23 is fixed to the outer wall of the fireproof layer 22. The fireproof layer 22 is a polyurethane layer, and the wear-resistant layer 23 is a polyurea elastomer layer.

[0029] The fireproof layer 22 is a polyurethane layer, which has certain flame retardance. The wear-resistant layer 23 is a polyurea elastomer layer, which has excellent elasticity, wear resistance and weather resistance, and can be used in various harsh environments, and has wear resistance, tear resistance, cold resistance, water resistance, oil resistance and chemical corrosion resistance.

[0030] Referring to Figures 1-6 , the pressure sensor 4 is fixed on the inner wall of the top of the inflatable cavity 3, one end of the lifesaving ladder body 1 is fixed with the air inlet pipe 5, one side of the air inlet pipe 5 is screwed with the air supply pipe 7, the single-chip microcomputer is installed inside the pressure sensor 4, the air pump is connected to one end of the air supply pipe 7, the output end of the pressure sensor 4 and the input end of the air supply pipe 7 are electrically connected through the single-chip microcomputer, the sealing structure 6 is arranged on the side of the air inlet pipe 5 close to the air supply pipe 7, the sealing structure 6 comprises a sealing groove 61, a sealing strip 62 and a deformation groove 63, the sealing groove 61 is arranged on the side of the air inlet pipe 5 close to the air supply pipe 7, the sealing strip 62 is arranged in the sealing groove 61, the deformation groove 63 is arranged in the sealing strip 62, one end of the air inlet pipe 5 extends into the inflatable cavity 3, the sealing strip 62 and the air inlet pipe 5 are connected through the interference fit of the sealing groove 61, and one side of the sealing strip 62 is fixedly connected with one side of the air supply pipe 7.

[0031] When the air inlet pipe 5 and the air supply pipe 7 are installed, the sealing strip 62 on one side of the air supply pipe 7 is inserted into the inside of the sealing groove 61, so that the outer side of the sealing strip 62 is in close contact with the inner wall of the sealing groove 61, then the flanges at one end of the air inlet pipe 5 and the air supply pipe 7 are fixedly connected by using bolts, so that the sealing strip 62 is fixed between the air inlet pipe 5 and the air supply pipe 7, and the air tightness of the connection between the air inlet pipe 5 and the air supply pipe 7 is increased.

[0032] Although the utility model has been described in detail with reference to the foregoing embodiments, those 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, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. An escape slide for aircraft crew escape training, comprising an escape ladder body (1); Characterized in that: An inflation cavity (3) is arranged in the escape ladder body (1), and a protective structure (2) is fixed to the outer side of the escape ladder body (1); A pressure sensor (4) is fixed to the inner wall of the escape ladder body (1) at the top of the inflation cavity (3), one end of the escape ladder body (1) is fixed with an air inlet pipe (5), and a gas delivery pipe (7) is threadedly installed on one side of the air inlet pipe (5); A sealing structure (6) is arranged on the side of the air inlet pipe (5) close to the gas delivery pipe (7), the sealing structure (6) comprises a sealing groove (61), a sealing strip (62) and a deformation groove (63), the sealing groove (61) is arranged on the side of the air inlet pipe (5) close to the gas delivery pipe (7), the sealing strip (62) is arranged in the sealing groove (61), and the deformation groove (63) is arranged in the sealing strip (62).

2. An escape slide for crew escape training of an aircraft as claimed in claim 1, characterized in that: The protective structure (2) comprises an adhesive layer (21), a fireproof layer (22) and a wear-resistant layer (23), the adhesive layer (21) is fixed to the outer wall of the escape ladder body (1), the fireproof layer (22) is fixed to the outer wall of the adhesive layer (21), and the wear-resistant layer (23) is fixed to the outer wall of the fireproof layer (22).

3. An escape slide for crew escape training of an aircraft as claimed in claim 2, characterised in that: The fireproof layer (22) is a polyurethane layer.

4. An escape slide for aircraft crew training according to claim 2, characterized in that: The wear-resistant layer (23) is a polyurea elastomer layer.

5. A slide for escape training of aircraft crew members according to claim 1, characterized in that: A single-chip microcomputer is arranged in the pressure sensor (4), a gas pump is connected to one end of the gas delivery pipe (7), and the output end of the pressure sensor (4) and the input end of the gas delivery pipe (7) are electrically connected through the single-chip microcomputer.

6. A slide for escape training of aircraft crew members according to claim 1, characterized in that: One end of the air inlet pipe (5) extends into the inflation cavity (3).

7. An escape slide for aircraft crew training according to claim 1, characterized in that: The sealing strip (62) and the air inlet pipe (5) are connected through interference fit of the sealing groove (61), and one side of the sealing strip (62) is fixedly connected to one side of the gas delivery pipe (7).

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