Air inlet device of universal three-proofing system

Abstract

The utility model provides a general three-proofing system air inlet device which comprises a motor control box, a cover plate, a shell, an ejector rod, a cam, a spring and a connecting rod, opening and quick closing are completed through cooperation of the cam, the ejector rod and the spring, during opening, an electric signal drives a motor to drive the cam to rotate, the cam drives the ejector rod to vertically move upwards, and the ejector rod is connected with the cover plate so that the cover plate can be opened. During closing, an electric signal drives the motor to drive the cam to rotate, when the vertex of the cam passes through the ejector rod, the cover plate rapidly falls and is closed under the action of the spring, and due to the potential energy action of the spring, the sealing effect is excellent during closing. The air inlet device can be opened and closed according to electric signals, the closing time is less than 0.1 s, and the air inlet device has good sealing performance. The device is also provided with a dust removal port, so that the number of holes during modification of the mobile platform can be reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of land mobile platforms, and in particular relates to an air inlet device for a universal three-defense system. Background Art

[0002] In the existing mobile platform three-defense system, most of the air inlet devices do not have the automatic opening and closing function. The few air inlet devices with automatic opening and closing functions are also difficult to close quickly in the face of a nuclear explosion, and the sealing effect is difficult to ensure. Therefore, it is necessary to design an air inlet device that can open and close automatically, close quickly in the face of a nuclear explosion, and has good sealing and is universal. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] The utility model provides a universal three-defense system air inlet device to solve the technical problem of how to achieve rapid closing and have good sealing performance.

[0005] (II) Technical solution

[0006] In order to solve the above technical problems, the utility model proposes a universal three-proof system air inlet device, which includes a motor control box, a cover plate, a shell, a push rod, a cam, a spring and a connecting rod; wherein,

[0007] The housing is used to provide a fixed position for other parts in the air inlet device, and a motorized platform mounting flange is provided on the top of the housing; after installation, the main body of the housing is located on the inner side of the motorized platform, and the motorized platform mounting flange is located on the outer side of the motorized platform; a motor control box is installed inside the main body of the housing, and a motor is provided in the motor control box, which can be controlled to rotate by an electrical signal, and a cam is connected to the output shaft of the motor, and the cam can rotate with the motor;

[0008] The cover plate is arranged on the outer side of the motorized platform, the bottom of the cover plate is fixedly connected to the top of the push rod, and the bottom end of the push rod is in contact with the cam; a plurality of connecting rods are arranged around the push rod, the top of the connecting rod is fixedly connected to the bottom of the cover plate, the bottom of the connecting rod passes through the limit plate located on the inner side of the shell, and a spring is installed on the connecting rod using a retaining ring installed at the bottom end of the connecting rod, so that the spring is located between the limit plate and the retaining ring.

[0009] Furthermore, an annular groove is provided on the surface of the mounting flange of the motorized platform, a sealing gasket is installed in the annular groove, and the bottom end of the cover body edge of the cover plate presses the sealing gasket.

[0010] Furthermore, a water blocking sill is arranged at the connection between the cover plate and the shell, and is fixedly connected to the top of the shell. The water blocking sill can prevent the air inlet device from sucking in mud when working.

[0011] Furthermore, a dust removal outlet is arranged at the connection between the cover plate and the shell, and is fixedly connected to the top of the shell. A dust removal inlet is arranged on the side wall of the shell, and the coarsely filtered dust can enter through the dust removal inlet and be discharged from the dust removal outlet.

[0012] Furthermore, three connecting rods are arranged around the top rod.

[0013] (III) Beneficial effects

[0014] The utility model proposes a universal three-proof system air inlet device, including a motor control box, a cover plate, a housing, a push rod, a cam, a spring and a connecting rod. The cooperation of the cam, the push rod and the spring is used to complete opening and rapid closing. When opening, the electric signal drives the motor to drive the cam to rotate, and the cam drives the push rod to move vertically upward. The push rod is connected to the cover plate to open the cover plate. When closing, the electric signal drives the motor to drive the cam to rotate. When the cam top passes the push rod, the cover plate quickly falls and closes due to the action of the spring. Due to the potential energy of the spring, the sealing effect is excellent when closing. The air inlet device of the utility model can be opened and closed according to the electric signal, the closing time is less than 0.1s, and it has good sealing. The device also has a dust removal port, which can reduce the number of holes opened during the transformation of the motorized platform. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a front view of the universal three-defense system air inlet device of the utility model;

[0016] Figure 2 It is a right view of the universal three-defense system air inlet device of the utility model;

[0017] Figure 3 It is a top view of the universal three-defense system air inlet device of the utility model;

[0018] Figure 4 This is a front cross-sectional view of the universal three-defense system air inlet device of the utility model;

[0019] Figure 5 It is a rear cross-sectional view of the universal three-defense system air inlet device of the utility model;

[0020] Figure 6 It is a schematic diagram of the arrangement of the main parts of the universal three-defense system air inlet device of the utility model when it is in a closed state;

[0021] Figure 7 It is a schematic diagram of the arrangement of the main parts of the universal three-defense system air inlet device of the utility model when it is in the open state;

[0022] Figure 8 This is a schematic diagram of the external structure of the universal three-defense system air inlet device of the utility model when it is in an open state;

[0023] Fig. 9 It is a schematic diagram of the structure of removing the cover plate when the universal three-defense system air inlet device of the utility model is in the open state.

[0024] Among them, 1-motor control box; 2-cover plate; 3-housing; 4-sealing gasket; 5-water blocking sill; 6-top rod; 7-cam; 8-spring; 9-connecting rod; 10-dust removal inlet; 11-dust removal outlet. DETAILED DESCRIPTION

[0025] In order to make the purpose, content and advantages of the utility model clearer, the specific implementation methods of the utility model are further described in detail below in conjunction with the drawings and embodiments.

[0026] This embodiment provides a universal three-defense system air inlet device, the structure of which is as follows: Figure 1-9 As shown, it mainly includes a motor control box 1, a cover plate 2, a housing 3, a sealing gasket 4, a water blocking sill 5, a push rod 6, a cam 7, a spring 8, a connecting rod 9, a dust removal inlet 10 and a dust removal outlet 11.

[0027] The housing 3 is used to provide a fixed position for other parts in the air inlet device, and a motorized platform mounting flange is provided on the top of the housing 3. After installation, the main body of the housing 3 is located on the inner side of the motorized platform, and the motorized platform mounting flange is located on the outer side of the motorized platform. An annular groove is provided on the surface of the motorized platform mounting flange, and a sealing gasket 4 is installed in the annular groove to improve the overall sealing performance of the air inlet device. A motor control box 1 is installed inside the main body of the housing 3, and a high-torque motor is provided in the motor control box 1, which can be controlled to rotate by an electrical signal. A cam 7 is connected to the output shaft of the motor, and the cam 7 can rotate with the motor.

[0028] The cover plate 2 is arranged on the outside of the motorized platform, and the bottom end of the cover body edge of the cover plate 2 presses the sealing gasket 4. The bottom of the plate body of the cover plate 2 is fixedly connected to the top end of the push rod 6, and the bottom end of the push rod 6 contacts the cam 7. A plurality of connecting rods 9 are arranged around the push rod 6, and the top end of the connecting rod 9 is fixedly connected to the bottom of the cover plate 2. The bottom of the connecting rod 9 passes through the limit plate located inside the shell 3, and the spring 8 is installed on the connecting rod 9 by using the retaining ring installed at the bottom end of the connecting rod 9, so that the spring 8 is located between the limit plate and the retaining ring. The air inlet device is initially in a closed state. When it needs to be opened, the motor in the motor control box 1 is controlled to rotate by an electrical signal, and the cam 7 rotates counterclockwise with the motor. The structural characteristics of the cam 7 are used to push the push rod 6 up, and the push rod 6 then drives the cover plate 2 to rise. At the same time, the connecting rod 9 rises with the cover plate 2, thereby compressing the spring 8. When the bottom end of the push rod 6 reaches the top of the cam 7, the electrical signal controlling the rotation of the motor stops, and the air inlet device is in an open state. When the air inlet device is closed, the electric signal controls the motor in the motor control box 1 to rotate, and the cam 7 rotates counterclockwise with the motor. When the top of the cam 7 leaves the bottom end of the push rod 6, the cover plate 2 and the push rod 6 fall instantly due to the potential energy stored in the compression of the spring 8, thereby realizing the rapid closing of the air inlet device.

[0029] In addition, the water blocking sill 5 and the dust removal outlet 11 are both arranged at the connection between the cover plate 2 and the housing 3, and are fixedly connected to the top of the housing 3. The water blocking sill 5 can prevent the air inlet device from sucking mud during operation. A dust removal inlet 10 is arranged on the side wall of the housing 3, and the coarsely filtered dust can enter through the dust removal inlet 10 and be discharged through the dust removal outlet 11.

[0030] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A universal three-defense system air inlet device, characterized in that: The universal three-proof system air inlet device comprises a motor control box, a cover plate, a housing, a push rod, a cam, a spring and a connecting rod; wherein, The housing is used to provide a fixed position for other parts in the air inlet device, and a motorized platform mounting flange is provided on the top of the housing; after installation, the main body of the housing is located on the inner side of the motorized platform, and the motorized platform mounting flange is located on the outer side of the motorized platform; a motor control box is installed inside the main body of the housing, and a motor is provided in the motor control box, which can be controlled to rotate by an electrical signal, and a cam is connected to the output shaft of the motor, and the cam can rotate with the motor; The cover plate is arranged on the outer side of the motorized platform, the bottom of the cover plate is fixedly connected to the top of the push rod, and the bottom end of the push rod is in contact with the cam; a plurality of connecting rods are arranged around the push rod, the top of the connecting rod is fixedly connected to the bottom of the cover plate, the bottom of the connecting rod passes through the limit plate located on the inner side of the shell, and a spring is installed on the connecting rod using a retaining ring installed at the bottom end of the connecting rod, so that the spring is located between the limit plate and the retaining ring.

2. The universal three-defense system air inlet device according to claim 1, characterized in that: The surface of the motorized platform mounting flange is provided with an annular groove, a sealing gasket is installed in the annular groove, and the bottom end of the cover body edge of the cover plate presses the sealing gasket tightly.

3. The universal three-defense system air inlet device according to claim 1, characterized in that: The water blocking sill is arranged at the connection between the cover plate and the shell, and is fixedly connected to the top of the shell. The water blocking sill can prevent the air inlet device from sucking in mud when working.

4. The universal three-defense system air inlet device according to claim 1, characterized in that: The dust removal outlet is arranged at the connection between the cover plate and the shell, and is fixedly connected to the top of the shell. The side wall of the shell is provided with a dust removal inlet. The coarsely filtered dust can enter through the dust removal inlet and be discharged through the dust removal outlet.

5. The universal three-defense system air inlet device according to claim 1, characterized in that: Three connecting rods are arranged around the top rod.

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