Helicopter tire pressure monitoring equipment

Abstract

The utility model discloses tire pressure monitoring equipment for a helicopter tire, which belongs to the technical field of tire pressure monitoring, and comprises a tire inflation head, a tire pressure signal receiver and an instrument display, the inner side of the tire inflation head is respectively and fixedly connected with a first boss and a second boss which are arranged in an annular structure; a sealing ball abutting against the first boss is further installed on the inner side of the tire inflation head, a spring is installed between the sealing ball and the second boss, the side wall of the root of the tire inflation head is connected with a connector of a tubular structure in a communicating mode, and an internal thread is formed in the inner wall of the connector. A sealing groove is annularly formed in the inner side of a port of the connector, a flange is integrally formed on the outer side of the port of the connector, first inverted teeth are fixedly connected to the surface of the flange, and the wireless pressure sensor can be located on the outer side of a tire, so that the wireless pressure sensor can be conveniently replaced when the working year is reached.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of tire pressure monitoring, more specifically, to a helicopter tire pressure monitoring device. BACKGROUND

[0002] The aircraft tire pressure monitoring system monitors the tire pressure in real time through the pressure sensor installed in the aircraft tire, and transmits the data to the control panel of the aircraft. When the tire pressure is too low, the sensor will send an alarm to remind the crew to take timely measures to ensure flight safety. The intelligent tire pressure monitoring system can also continuously monitor the tire pressure through the sensor in the device and transmit the data to the server in real time. In this way, the crew can check the tire pressure data of each tire at any time and promptly discover and handle potential safety hazards.

[0003] However, the existing tire pressure monitoring sensor for helicopters is usually installed at the end of the tire valve core and located inside the tire, so it is not convenient to replace it when the tire pressure sensor fails after a long time of work. Therefore, we propose a helicopter tire pressure monitoring device to solve the above problems. SUMMARY

[0004] 1. Technical problem to be solved

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide a helicopter tire pressure monitoring device, which can conveniently replace the wireless pressure sensor located on the outside of the tire when it reaches the service life.

[0006] 2. Technical scheme

[0007] To solve the above problems, the utility model adopts the following technical scheme.

[0008] The helicopter tire pressure monitoring device comprises a tire inflation head, a tire pressure signal receiver and an instrument display, the inner side of the tire inflation head is fixedly connected with a first boss and a second boss arranged in a ring structure, the inner side of the tire inflation head is also provided with a sealing ball in abutment with the first boss, and a spring is arranged between the sealing ball and the second boss.

[0009] The root side wall of the tire inflation head is conductively connected with a connecting head arranged in a tubular structure, the inner wall of the connecting head is provided with an internal thread, the inner side of the port of the connecting head is annularly provided with a sealing groove, the outer side of the port of the connecting head is integrally formed with a flange, and the surface of the flange is fixedly connected with a first reverse tooth.

[0010] The wireless pressure sensor is detachably connected to the connecting head, a second sealing rubber ring in an embedded structure with the sealing groove is embedded on the wireless pressure sensor, and a second reverse tooth fixedly connected with the first reverse tooth is connected to one side of the second sealing rubber ring.

[0011] Further, an output end of the wireless pressure sensor is signal connected with an input end of the tire pressure signal receiver, and an output end of the tire pressure signal receiver is electrically connected with an input end of the instrument display.

[0012] Further, an outer diameter of the sealing ball is smaller than an inner diameter of the tire inflation head, and the outer diameter of the sealing ball is larger than an inner diameter of the first convex.

[0013] An outer diameter of the spring is matched with the inner diameter of the tire inflation head.

[0014] Further, an outer thread is formed on an outer wall of the tire inflation head close to the first convex.

[0015] Further, a first sealing rubber ring is embedded on a root of the outer thread.

[0016] Further, a plurality of the first reverse tooth and the second reverse tooth are arranged at a radial position.

[0017] The first reverse tooth and the second reverse tooth are arranged in an isosceles right triangle structure, and the inclined surfaces of the first reverse tooth and the second reverse tooth are reversely arranged.

[0018] The right angle surfaces of the first reverse tooth and the second reverse tooth are mutually adhered.

[0019] Further, a threaded joint screw connected with the inner thread is arranged on the wireless pressure sensor.

[0020] 3. Beneficial effects

[0021] Compared with the prior art, the utility model has the advantages that:

[0022] The utility model discloses a tire inflation head is connected with the tire of helicopter for inflation, and the connecting head is located the outside of tire, and wireless pressure sensor is installed on the connecting head, and the gap of the joint part of wireless pressure sensor connecting end and connecting head is filled with the second sealing rubber ring, and the wireless pressure sensor can be prevented from loosening through the engagement between the first ratchet and the second ratchet, and the open part of the first boss is blocked by spring cooperation sealing ball, so that the wireless pressure sensor can monitor the air pressure in the tire, and the wireless pressure sensor transmits the signal to the tire pressure signal receiver, and then the signal is converted into digital display on the instrument display through the tire pressure signal receiver, so that the crew can check the tire pressure data of each tire at any time, and the potential safety hazard is found and handled in time, and the wireless pressure sensor is located the outside of tire, and when it reaches the working life, it is convenient to replace. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0024] Figure 2 It is the front view schematic diagram of tire inflation head of the utility model;

[0025] Figure 3 It is the A-A part sectional view schematic diagram of tire inflation head of the utility model;

[0026] Figure 4 It is the connecting head structure schematic diagram of the utility model;

[0027] Figure 5 It is the wireless pressure sensor structure schematic diagram of the utility model;

[0028] Figure 6 It is the detection equipment work flow chart of the utility model.

[0029] Mark number explanation in drawing:

[0030] 1, tire inflation head, 2, first boss, 3, second boss, 4, sealing ball, 5, spring, 6, outer thread, 7, first sealing rubber ring, 8, connecting head, 9, inner thread, 10, sealing groove, 11, flange, 12, first ratchet, 13, wireless pressure sensor, 14, second sealing rubber ring, 15, second ratchet, 16, tire pressure signal receiver, 17, instrument display. DETAILED DESCRIPTION

[0031] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments, and all other embodiments obtained by those skilled in the art without creative efforts on the basis of the embodiments of the present application fall within the scope of the present application.

[0032] Embodiment:

[0033] Please refer to Figures 1-6 , the tire pressure monitoring device of the helicopter, including tire inflation head 1, tire pressure signal receiver 16 and instrument display 17, the inner side of tire inflation head 1 is fixedly connected with the first boss 2 and the second boss 3 arranged in annular structure respectively, the inner side of tire inflation head 1 is also installed with the sealing ball 4 abutting with the first boss 2, the spring 5 is installed between the sealing ball 4 and the second boss 3;

[0034] The root side wall of tire inflation head 1 is conductively connected with the connecting head 8 arranged in tubular structure, the inner wall of connecting head 8 is provided with internal thread 9, the inner side of the port of connecting head 8 is annularly provided with sealing groove 10, the outer side of the port of connecting head 8 is integrally formed with flange 11, the surface of flange 11 is fixedly connected with first reverse tooth 12;

[0035] Wireless pressure sensor 13 is detachably connected on connecting head 8, wireless pressure sensor 13 is inlaid with second sealing rubber ring 14 forming embedded structure with sealing groove 10, second sealing rubber ring 14 is fixedly connected with second reverse tooth 15 engaging with first reverse tooth 12 on one side;

[0036] It should be noted that the tire pressure monitoring device of the helicopter is used for inflation by connecting tire inflation head 1 with the tire of the helicopter when in use, while connecting head 8 is located on the outer side of the tire, wireless pressure sensor 13 is installed on connecting head 8, and the gap between the connecting end of wireless pressure sensor 13 and the connecting part of connecting head 8 is filled with second sealing rubber ring 14, while the engagement between first reverse tooth 12 and second reverse tooth 15 can effectively prevent wireless pressure sensor 13 from loosening, the open part of first boss 2 is blocked by spring 5 cooperating with sealing ball 4, so that wireless pressure sensor 13 can monitor the air pressure inside the tire, wireless pressure sensor 13 transmits signals to tire pressure signal receiver 16, and then tire pressure signal receiver 16 converts signals into digital display on instrument display 17, in this way, the crew can check the tire pressure data of each tire at any time, discover and handle potential safety hazards in time, and wireless pressure sensor 13 is located on the outer side of the tire, which is convenient for replacement when it reaches the working life.

[0037] As Figure 6As shown in the figure, the output end of the wireless pressure sensor 13 is signal connected with the input end of the tire pressure signal receiver 16, and the output end of the tire pressure signal receiver 16 is electrically connected with the input end of the instrument display 17.

[0038] It should be noted that the model of the wireless pressure sensor 13 is BRW100-1102, and the model of the tire pressure signal receiver 16 can be selected as DZ97189716523.

[0039] As shown in the figure, the outer diameter of the sealing ball 4 is smaller than the inner diameter of the tire inflation head 1, and the outer diameter of the sealing ball 4 is greater than the inner diameter of the first boss 2. Figure 4 The outer diameter of the spring 5 is matched with the inner diameter of the tire inflation head 1.

[0040] It should be noted that the open part of the first boss 2 is sealed by the spring 5 cooperating with the sealing ball 4, so that the wireless pressure sensor 13 can monitor the air pressure inside the tire.

[0041] As shown in the figure, the outer wall of the tire inflation head 1 close to the first boss 2 is provided with an external thread 6, and the root of the external thread 6 is inlaid with a first sealing rubber ring 7.

[0042] Figure 1 It should be noted that when inflating with the tire inflation head 1, the inflation connector nozzle external thread 6 is screwed, and the first sealing rubber ring 7 is used to fill the gap between the inflation connector and the tire inflation head 1, so as to avoid air leakage during inflation and improve the efficiency of inflation.

[0043] As shown in the figure, ,The first inverted tooth 12 and the second inverted tooth 15 are both provided with a plurality of radial positions.

[0044] Figure 4 The first inverted tooth 12 and the second inverted tooth 15 are both in isosceles right triangle structure, and the inclined surfaces of the first inverted tooth 12 and the second inverted tooth 15 are reversely arranged. Figure 5 The right angle surface of the first inverted tooth 12 and the right angle surface of the second inverted tooth 15 are mutually adhered.

[0045] It should be noted that the first inverted tooth 12 and the second inverted tooth 15 are engaged with each other, which can effectively prevent the wireless pressure sensor 13 from loosening.

[0046] The wireless pressure sensor 13 is provided with a threaded connector which is screwed with the internal thread 9.

[0047] It should be noted that the first inverted tooth 12 and the second inverted tooth 15 are engaged with each other, which can effectively prevent the wireless pressure sensor 13 from loosening.

[0048] The wireless pressure sensor 13 is provided with a threaded connector which is screwed with the internal thread 9.

[0049] In use: by connecting the tire inflation head 1 with the tire of the helicopter for inflation, the connecting head 8 is located outside the tire, the wireless pressure sensor 13 is installed on the connecting head 8, the gap between the connecting end of the wireless pressure sensor 13 and the connecting head 8 is filled with the second sealing ring 14, the wireless pressure sensor 13 is effectively prevented from loosening by the engagement between the first reverse tooth 12 and the second reverse tooth 15, the open part of the first boss 2 is sealed by the spring 5 cooperating with the sealing ball 4, so that the wireless pressure sensor 13 can monitor the air pressure inside the tire, the wireless pressure sensor 13 transmits signals to the tire pressure signal receiver 16, then the tire pressure signal receiver 16 converts the signals into digital display on the instrument display 17, so that the crew can check the tire pressure data of each tire at any time, and discover and handle potential safety hazards in time.

[0050] The above merely describes a preferred specific embodiment of the present application; however, the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and the improvement concept of the present application, should be covered in the protection scope of the present application, by equivalent replacement or change within the technical range disclosed by the present application.

Claims

1. Helicopter tyre pressure monitoring device, comprising a tyre inflation head (1), a pressure signal receiver (16) and an instrument display (17), characterised in that: The inner side of the tire inflation head (1) is fixedly connected with a first boss (2) and a second boss (3) arranged in an annular structure, respectively, and the inner side of the tire inflation head (1) is also provided with a sealing ball (4) abutting against the first boss (2), and a spring (5) is arranged between the sealing ball (4) and the second boss (3); The root side wall of the tire inflation head (1) is connected with a connector (8) arranged in a tubular structure, an inner thread (9) is formed in the inner wall of the connector (8), a sealing groove (10) is arranged around the inner side of the port of the connector (8), and a flange (11) is integrally formed on the outer side of the port of the connector (8), and a first reverse tooth (12) is fixedly connected to the surface of the flange (11); A wireless pressure sensor (13) is detachably connected to the connector (8), a second sealing rubber ring (14) is embedded on the wireless pressure sensor (13) and forms an embedded structure with the sealing groove (10), and a second reverse tooth (15) is fixedly connected to one side of the second sealing rubber ring (14) and engages with the first reverse tooth (12).

2. The helicopter tire pressure monitoring apparatus according to claim 1, characterized by: The output end of the wireless pressure sensor (13) is signal connected with the input end of the tire pressure signal receiver (16), and the output end of the tire pressure signal receiver (16) is electrically connected with the input end of the instrument display (17).

3. The helicopter tire pressure monitoring apparatus according to claim 1, characterized by: The outer diameter of the sealing ball (4) is smaller than the inner diameter of the tire inflation head (1), and the outer diameter of the sealing ball (4) is greater than the inner diameter of the first boss (2); The outer diameter of the spring (5) is matched with the inner diameter of the tire inflation head (1).

4. The helicopter tire pressure monitoring apparatus according to claim 1, characterized by: An outer thread (6) is formed in the outer wall of the tire inflation head (1) close to the first boss (2).

5. The helicopter tire pressure monitoring apparatus according to claim 4, characterized by: A first sealing rubber ring (7) is embedded in the root of the outer thread (6).

6. The helicopter tire pressure monitoring apparatus according to claim 1, characterized by: The first reverse tooth (12) and the second reverse tooth (15) are both provided with a plurality of teeth in the radial position; The first reverse tooth (12) and the second reverse tooth (15) are arranged in an isosceles right triangle structure, and the inclined surfaces of the first reverse tooth (12) and the second reverse tooth (15) are oppositely arranged; The right angle surfaces of the first reverse tooth (12) and the second reverse tooth (15) are mutually adhered.

7. The helicopter tire pressure monitoring apparatus according to claim 1, characterized by: A threaded joint is arranged on the wireless pressure sensor (13) and is screwed with the inner thread (9).

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