Explosion-proof control box for pneumatic unit motor

Abstract

The utility model discloses an explosion-proof control box for a pneumatic unit motor, which relates to the technical field of explosion-proof control boxes and comprises a box body, an air outlet is arranged at the top of the box body, a first filter plate is arranged above the air outlet, a sleeve is fixedly connected to the top of the first filter plate, a mounting plate is transversely and fixedly arranged in the sleeve, and a mounting hole is formed in the mounting plate. A mounting plate is arranged in the box body, a plurality of first rotating rods are rotationally arranged in the mounting plate, fan blades are fixedly connected to the upper end of each first rotating rod, a driving mechanism is arranged on the surface of the mounting plate, each first rotating rod is in transmission connection with the driving mechanism, and two quick clamping mechanisms are symmetrically arranged at the top of the box body. And the two quick clamping mechanisms are matched with the first filter plate. According to the utility model, the plurality of fan blades are arranged above the box body, so that the internal space of the box body is prevented from being occupied while the heat dissipation is ensured, and meanwhile, the maintenance is convenient when a fault occurs.

Description

Technical Field

[0001] The utility model relates to the technical field of explosion-proof control boxes, in particular to an explosion-proof control box for a pneumatic unit motor. Background Art

[0002] A pneumatic unit motor, also often called a pneumatic motor or pneumatic engine, is a device that converts the energy of compressed air into mechanical energy. This conversion process enables the pneumatic unit motor to operate without the need for electricity, which has significant advantages in certain specific applications. In order to improve the safety of the starting unit motor, an explosion-proof control box is usually required.

[0003] In the process of implementing this application, the applicant found that in order to ensure safety, the existing explosion-proof control box usually needs to be equipped with a heat dissipation mechanism inside the box. However, since the heat dissipation mechanism is arranged inside the box, it will occupy the internal space of the box and is not convenient for maintenance when a fault occurs. Utility Model Content

[0004] In view of the above problems existing in the existing explosion-proof control box, the present utility model is proposed.

[0005] Therefore, the purpose of the utility model is to provide an explosion-proof control box for a pneumatic unit motor, which solves the problem that the heat dissipation mechanism is arranged inside the box, which occupies the internal space of the box and is inconvenient to repair when a fault occurs.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A pneumatic unit motor explosion-proof control box comprises a box body, an air outlet is opened on the top of the box body, a first filter plate is arranged above the air outlet, a sleeve is fixedly connected to the top of the first filter plate, a mounting plate is laterally fixedly arranged inside the sleeve, a plurality of first rotating rods are rotatably arranged inside the mounting plate, a fan blade is fixedly connected to the upper end of each of the first rotating rods, a driving mechanism is arranged on the surface of the mounting plate, each of the first rotating rods is transmission-connected to the driving mechanism, and two quick clamping mechanisms are symmetrically arranged on the top of the box body, and the two quick clamping mechanisms are matched with the first filter plate.

[0008] Preferably, the driving mechanism includes a worm wheel, a worm and a second rotating rod, the second rotating rod is rotatably arranged inside the sleeve and fixedly sleeved with the worm wheel, the worm is meshingly arranged on the rear side of the worm wheel and the upper end rod wall is rotatably connected to the mounting plate, the lower end of each of the first rotating rods is fixedly provided with a first bevel gear, the rod wall of the second rotating rod is fixedly sleeved with a plurality of second bevel gears, and each of the first bevel gears is meshingly connected with the corresponding second bevel gear.

[0009] Preferably, the quick clamping mechanism includes an L-shaped rod, a connecting plate and a screw rod, the rod wall at one end of the L-shaped rod is rotatably connected to the top outer wall of the box body, the other end of the L-shaped rod is fixedly connected to the connecting plate, an internal threaded hole is provided inside the connecting plate, and two internal threaded blind holes are symmetrically provided on the upper surface of the first filter plate, the screw rod thread is penetrated inside the internal threaded hole and the lower end rod wall is threadedly plugged into the corresponding internal threaded blind hole.

[0010] Preferably, two air inlets are symmetrically provided on the side wall of the box body, and a second filter plate connected to the side wall of the box body is fixedly provided at the positions of the two air inlets.

[0011] Preferably, a motor is fixedly mounted on the upper surface of the mounting plate, and the upper end of the worm penetrates the mounting plate and is fixedly connected to the output end of the motor.

[0012] Preferably, the rod wall of the L-shaped rod is movably sleeved with a torsion spring, and both ends of each torsion spring are respectively fixedly connected to the side wall of the box body and the rod wall of the L-shaped rod.

[0013] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0014] The utility model arranges a plurality of fan blades above the box body, thereby ensuring heat dissipation while avoiding occupying the inner space of the box body, and making it easy to repair when a fault occurs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 For the utility model Figure 1 A magnified schematic diagram of part A;

[0018] Figure 3 For the utility model Figure 1 An enlarged schematic diagram of part B.

[0019] Description of reference numerals:

[0020] 1. Box body; 2. First filter plate; 3. Sleeve; 4. Mounting plate; 5. First rotating rod; 6. Fan blade; 7. Worm gear; 8. Worm; 9. Second rotating rod; 10. First bevel gear; 11. Second bevel gear; 12. L-shaped rod; 13. Connecting plate; 14. Screw; 15. Second filter plate; 16. Motor; 17. Torsion spring. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0022] The utility model embodiment discloses an explosion-proof control box for a pneumatic unit motor.

[0023] Embodiment 1

[0024] The utility model provides Figure 1-3 A pneumatic unit motor explosion-proof control box shown includes a box body 1, an air outlet is opened on the top of the box body 1, a first filter plate 2 is arranged above the air outlet, a sleeve 3 is fixedly connected to the top of the first filter plate 2, a mounting plate 4 is laterally fixedly arranged inside the sleeve 3, a plurality of first rotating rods 5 are rotatably arranged inside the mounting plate 4, a fan blade 6 is fixedly connected to the upper end of each first rotating rod 5, a driving mechanism is arranged on the surface of the mounting plate 4, each first rotating rod 5 is drivingly connected to the driving mechanism, two quick clamping mechanisms are symmetrically arranged on the top of the box body 1, the two quick clamping mechanisms are matched with the first filter plate 2, and a plurality of fan blades 6 are arranged above the box body 1, which can ensure heat dissipation while avoiding occupying the internal space of the box body 1, and can also facilitate maintenance when a fault occurs.

[0025] like Figure 3 As shown, the driving mechanism includes a worm wheel 7, a worm 8 and a second rotating rod 9. The second rotating rod 9 is rotatably arranged inside the sleeve 3 and fixedly sleeved with the worm wheel 7. The worm 8 is meshingly arranged on the rear side of the worm wheel 7 and the upper end rod wall is rotatably connected with the mounting plate 4. A first bevel gear 10 is fixedly arranged at the lower end of each first rotating rod 5. A plurality of second bevel gears 11 are fixedly sleeved on the rod wall of the second rotating rod 9. Each first bevel gear 10 is meshingly connected with the corresponding second bevel gear 11. By utilizing the set driving mechanism, a plurality of fan blades 6 can be driven to rotate synchronously during the rotation of the worm 8, thereby ensuring the heat dissipation effect.

[0026] like Figure 2As shown, the quick clamping mechanism includes an L-shaped rod 12, a connecting plate 13 and a screw 14. The rod wall at one end of the L-shaped rod 12 is rotatably connected to the top outer wall of the box body 1, and the other end of the L-shaped rod 12 is fixedly connected to the connecting plate 13. An internal threaded hole is provided inside the connecting plate 13, and two internal threaded blind holes are symmetrically provided on the upper surface of the first filter plate 2. The screw 14 is threadedly penetrated inside the internal threaded hole and the rod wall at the lower end is threadedly plugged into the corresponding internal threaded blind hole. The quick clamping mechanism can be used to realize the quick clamping and fixing of the first filter plate 2, thereby simplifying the installation process of the first filter plate 2.

[0027] Embodiment 2

[0028] Based on the first embodiment, Figure 1 As shown, two air inlets are symmetrically opened on the side wall of the box body 1, and a second filter plate 15 connected to the side wall of the box body 1 is fixedly provided at the positions of the two air inlets. The second filter plate 15 is used to filter the air entering the interior of the box body 1 to prevent dust from entering the interior of the box body 1 as much as possible.

[0029] Embodiment 3

[0030] Based on the first embodiment, Figure 3 As shown, a motor 16 is fixedly mounted on the upper surface of the mounting plate 4, and the upper end of the worm 8 passes through the mounting plate 4 and is fixedly connected to the output end of the motor 16. The motor 16 can be used to drive the worm 8 to rotate during the operation of the motor 16, thereby driving the driving mechanism.

[0031] Embodiment 4

[0032] Based on the first embodiment, Figure 2 As shown, the rod wall of the L-shaped rod 12 is movably sleeved with a torsion spring 17, and the two ends of each torsion spring 17 are respectively fixedly connected to the side wall of the box body 1 and the rod wall of the L-shaped rod 12. By setting the torsion spring 17, when the first filter plate 2 is not installed, the elastic force of the torsion spring 17 can drive the L-shaped rod 12 to drive the corresponding connecting plate 13 to rotate to a side away from the middle position of the box body 1, so that the first filter plate 2 can be easily placed.

[0033] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A pneumatic unit motor explosion-proof control box, comprising a box body (1), characterized in that: An air outlet is provided at the top of the box body (1), a first filter plate (2) is arranged above the air outlet, a sleeve (3) is fixedly connected to the top of the first filter plate (2), a mounting plate (4) is transversely fixedly arranged inside the sleeve (3), a plurality of first rotating rods (5) are rotatably arranged inside the mounting plate (4), the upper end of each of the first rotating rods (5) is fixedly connected to a fan blade (6), a driving mechanism is arranged on the surface of the mounting plate (4), each of the first rotating rods (5) is transmission-connected to the driving mechanism, and two quick-clamping mechanisms are symmetrically arranged on the top of the box body (1), and the two quick-clamping mechanisms are matched with the first filter plate (2).

2. The explosion-proof control box for a pneumatic unit motor according to claim 1, characterized in that: The driving mechanism comprises a worm wheel (7), a worm (8) and a second rotating rod (9); the second rotating rod (9) is rotatably arranged inside the sleeve (3) and fixedly sleeved with the worm wheel (7); the worm (8) is meshingly arranged on the rear side of the worm wheel (7) and the upper end rod wall is rotatably connected with the mounting plate (4); a first bevel gear (10) is fixedly arranged at the lower end of each of the first rotating rods (5); a plurality of second bevel gears (11) are fixedly sleeved on the rod wall of the second rotating rod (9); and each of the first bevel gears (10) is meshingly connected with a corresponding second bevel gear (11).

3. The explosion-proof control box for a pneumatic unit motor according to claim 1, characterized in that: The quick-clamping mechanism comprises an L-shaped rod (12), a connecting plate (13) and a screw rod (14); a rod wall at one end of the L-shaped rod (12) is rotatably connected to the top outer wall of the box body (1); the other end of the L-shaped rod (12) is fixedly connected to the connecting plate (13); an internal threaded hole is provided inside the connecting plate (13); two internal threaded blind holes are symmetrically provided on the upper surface of the first filter plate (2); the screw rod (14) is threadedly inserted into the internal threaded hole and the rod wall at the lower end is threadedly plugged into the corresponding internal threaded blind hole.

4. The explosion-proof control box for a pneumatic unit motor according to claim 1, characterized in that: Two air inlets are symmetrically provided on the side wall of the box body (1), and second filter plates (15) connected to the side wall of the box body (1) are fixedly provided at the positions of the two air inlets.

5. The explosion-proof control box for a pneumatic unit motor according to claim 2, characterized in that: A motor (16) is fixedly mounted on the upper surface of the mounting plate (4), and the upper end of the worm (8) passes through the mounting plate (4) and is fixedly connected to the output end of the motor (16).

6. The explosion-proof control box for a pneumatic unit motor according to claim 3, characterized in that: The rod wall of the L-shaped rod (12) is movably sleeved with a torsion spring (17), and the two ends of each torsion spring (17) are respectively fixedly connected to the side wall of the box body (1) and the rod wall of the L-shaped rod (12).

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