Ventilating fan structure with shielding device mounting structure for square cabin

Abstract

The utility model relates to the technical field of ventilating fans, in particular to a ventilating fan structure with a shielding device mounting structure for a square cabin, which comprises a filter, a controller, a shielding steel plate, a honeycomb plate arranged in the middle of the shielding steel plate and a fan box body, the shielding steel plate is installed at the opening position of the bottom end of the fan box body. A supporting plate is arranged in the fan box body, and ventilation holes are formed in the position, right opposite to the honeycomb plate, of the supporting plate. A fan base is installed on the top face of the supporting plate, a fan installation hole is formed in the center of the fan base, and the axis of the fan installation hole coincides with the axis of the ventilation hole. The filter and the controller are mounted on the top surface of the shielding steel plate; the filter, the controller and the fan base are all located in the fan box body. A fan box cover capable of being rapidly opened is arranged at an opening in the top end of the fan box body, and ventilation holes are formed in the fan box cover in an array mode. Maintenance can be carried out only by opening the fan box cover.

Description

Technical Field

[0001] The utility model relates to the technical field of ventilation fans, in particular to a ventilation fan structure for a cabin with a shielding device installation structure. Background Art

[0002] The shelter has high mobility. According to different needs, the corresponding structural design is carried out inside it, and relevant equipment is installed to have specific functions. It is widely used in mobile command systems, communications, medical care, logistics support, etc. The ventilation fan on the shelter plays a role in ventilation. The ventilation fan is the best choice for cooling and ventilation in modern shelters. The ventilation fan with environmental protection and energy saving characteristics will become ventilation and cooling equipment and the mainstream of the market.

[0003] In the prior art, for example, the patent with announcement number CN212899067U discloses a manual-automatic ventilation fan structure for a square cabin, including a ventilation fan device and a shielding device, the shielding device includes a shielding steel plate, a shielding honeycomb plate arranged on the shielding steel plate, a filter and a controller, and a rear cover arranged on the shielding steel plate, an axial flow fan is arranged on the shielding honeycomb plate, and the structural design of the shielding device ensures good shielding properties inside the square cabin.

[0004] However, in the above-mentioned prior art, the rear cover is directly fixed to the shielding steel plate by bolts, and the filter, controller, and axial flow fan are buckled inside the rear cover. In actual use, if the filter, controller, and axial flow fan need to be repaired, it is necessary to remove all the fixing bolts on the rear cover and remove the rear cover for repair, which is a cumbersome operation. Utility Model Content

[0005] The main purpose of the utility model is to provide a ventilation fan structure for a cabin with a shielding device installation structure, aiming to solve the above technical problems.

[0006] To achieve the above-mentioned purpose, the utility model proposes a ventilation fan structure for a cabin with a shielding device installation structure, comprising a filter, a controller, a shielding steel plate and a honeycomb panel arranged in the middle of the shielding steel plate, and also comprising a fan case, the top and bottom ends of the fan case are both open, and the shielding steel plate is installed at the open position of the bottom end of the fan case; a support plate is arranged inside the fan case, and a ventilation hole is arranged at a position on the support plate opposite to the honeycomb panel; and a fan seat is installed on the top surface of the support plate, the center of the fan seat has a fan mounting hole, and the axis of the fan mounting hole coincides with the axis of the ventilation hole; the filter and the controller are installed on the top surface of the shielding steel plate; and the filter, the controller and the fan seat are all located inside the fan case; a fan case cover that can be quickly opened is arranged at the open top end of the fan case, and ventilation holes are arranged in the fan case cover array.

[0007] Preferably, the lower ends of the side walls around the fan box are bent inward to form a lower mounting edge, bolt holes are provided on the lower mounting edge, and bolt holes are also provided around the shielding steel plate; the shielding steel plate is installed on the lower mounting edge of the fan box by bolt connection.

[0008] Preferably, both ends of the support plate are bent downward to form a bent portion, and the bent portion is connected to the lower mounting edge, so that a gap exists between the lower surface of the support plate and the top surface of the shielding steel plate.

[0009] Preferably, the diameter of the ventilation hole is smaller than the diameter of the fan mounting hole; the opening edge of the ventilation hole and the fan mounting hole together form a limit platform.

[0010] Preferably, the upper ends of the side walls around the fan box are bent inwards to form upper mounting edges, and a plurality of rubber vibration-damping blocks are evenly distributed on each upper mounting edge.

[0011] Preferably, the lower ends of the side walls around the fan box cover are bent inwards to form edge plates; when the fan box cover is buckled on the fan box body, the edge plates abut against the rubber vibration damping blocks.

[0012] Preferably, a square hole is provided at the center of the shielding steel plate, and a square frame is provided along the position of the square hole; the honeycomb panel is embedded in the square frame by means of interference fit.

[0013] Preferably, the ventilation holes are waist-shaped holes, and the long directions of all waist-shaped holes are parallel to each other.

[0014] Preferably, the fan box cover and the fan box body are connected via two hinges, and the fan box cover can rotate around the rotating shaft of the hinges; the hinges are installed on the side walls of the fan box cover and the fan box body by riveting.

[0015] Preferably, a hook is provided on the side wall of the fan case cover opposite to the hinge; a block is provided on the side wall of the fan case body opposite to the hinge; when the fan case cover is buckled on the fan case body, the hook is engaged with the block.

[0016] Due to the adoption of the above technical solution, the beneficial effects of the utility model are as follows:

[0017] (1) In the present invention, a shielding steel plate is installed by utilizing a fan case with windows at both ends, and the filter, controller, and fan base are all located inside the fan case, and a quickly-opened fan case cover is provided at the top opening of the fan case. When the filter, controller, and axial flow fan need to be repaired, it is only necessary to open the fan case cover for repair, which effectively overcomes the problem in the prior art that the rear cover needs to be removed for repair.

[0018] (2) In the present invention, the lower ends of the side walls around the fan housing are bent inward to form a lower mounting edge, which is convenient for bolting with the shielding steel plate. The structure is simple and the installation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0020] Figure 1 An exploded view of a ventilation fan structure for a cabin with a shielding device installation structure provided by the utility model;

[0021] Figure 2 This is a schematic diagram of the fan box cover of the utility model when it is opened;

[0022] Figure 3 This is a schematic diagram of the fan box cover of the utility model when it is closed;

[0023] Figure 4 It is a schematic diagram of the fan box in the utility model;

[0024] Figure 5 It is a schematic diagram of the fan box cover in the utility model;

[0025] Figure 6 It is the front view of the fan box cover in the utility model.

[0026] Explanation of the accompanying drawings: 1. Filter; 2. Controller; 3. Shielding steel plate; 3a. Square frame; 4. Honeycomb panel; 5. Fan box; 5a. Support plate; 5b. Ventilation hole; 5c. Lower mounting edge; 5d. Bending portion; 5e. Upper mounting edge; 6. Fan seat; 6a. Fan mounting hole; 6b. Limiting platform; 7. Fan box cover; 7a. Ventilation hole; 7b. Edge plate; 8. Rubber vibration damping block; 9. Hinge; 10. Hook; 11. Block. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0029] Combination Figures 1 to 6 As shown, a ventilation fan structure for a cabin with a shielding device installation structure includes a filter 1, a controller 2, a shielding steel plate 3 and a honeycomb panel 4 arranged in the middle of the shielding steel plate 3, and also includes a fan box 5, the top and bottom ends of the fan box 5 are open, and the shielding steel plate 3 is installed at the open position of the bottom end of the fan box 5; a support plate 5a is arranged inside the fan box 5, and a ventilation hole 5b is arranged at a position on the support plate 5a facing the honeycomb panel 4; and a fan seat 6 is installed on the top surface of the support plate 5a, and the center of the fan seat 6 has a fan mounting hole 6a, which is used for installing an axial flow fan (not shown in the figure), and the fan mounting hole 6a coincides with the axis of the ventilation hole 5b; the filter 1 and the controller 2 are installed on the top surface of the shielding steel plate 3; and the filter 1, the controller 2, and the fan seat 6 are all located inside the fan box 5; a fan box cover 7 that can be quickly opened is arranged at the open top end of the fan box 5, and a ventilation hole 7a is arranged in an array on the fan box cover 7.

[0030] By adopting the above structure, the shielding steel plate 3 is installed by utilizing the fan case 5 with windows at both ends, and the filter 1, the controller 2, and the fan base 6 are all located inside the fan case 5, and a quickly-opened fan case cover 7 is provided at the top opening of the fan case 5. When it is necessary to repair the filter 1, the controller 2, and the axial flow fan on the fan base 6, it is only necessary to open the fan case cover 7 for repair, which effectively overcomes the problem in the prior art that the rear cover needs to be disassembled for repair.

[0031] Combination Figure 1 , Figure 4 As shown, the lower ends of the side walls around the fan housing 5 are bent inward to form a lower mounting edge 5c, and bolt holes are provided on the lower mounting edge 5c. Bolt holes are also provided around the shielding steel plate 3. The shielding steel plate 3 is installed on the lower mounting edge 5c of the fan housing 5 by bolt connection. By using the lower mounting edge 5c, it is convenient to bolt the shielding steel plate 5, the structure is simple, and the installation is convenient.

[0032] Combination Figure 4As shown, both ends of the support plate 5a are bent downward to form a bent portion 5d, and the bent portion 5d is connected to the lower mounting edge 5c. The purpose of setting the bent portion 5d is to allow a gap to exist between the lower surface of the support plate 5a and the top surface of the shielding steel plate 3. When the axial flow fan is installed in the fan mounting hole 6a of the fan seat 6, since there is a gap between the lower surface of the support plate 5a and the top surface of the shielding steel plate 3, it can be ensured that there is a gap between the end surface of the axial flow fan and the shielding steel plate 3, and further, it can be ensured that there is a gap between the end surface of the axial flow fan and the honeycomb plate 4. Avoid direct contact between the end surface of the axial flow fan and the honeycomb plate 4.

[0033] Combination Figure 2 As shown, the diameter of the ventilation hole 5b is smaller than the diameter of the fan mounting hole 6a; the opening edge of the ventilation hole 5b and the fan mounting hole 6a together form a stopper 6b. In this embodiment, the axial flow fan is installed in the fan mounting hole 6a by interference fit, and the lower end surface of the axial flow fan abuts against the stopper 6b, and the stopper 6b is used to form an axial limit for the axial flow fan.

[0034] Combination Figure 2 , Figure 4 As shown, the upper ends of the side walls around the fan case 5 are bent inward to form an upper mounting edge 5e, and a plurality of rubber vibration-damping blocks 8 are evenly distributed on each upper mounting edge 5e. The purpose of providing the rubber vibration-damping blocks 8 is to play a role of buffering and vibration reduction when the fan case cover 7 is buckled on the fan case 5, so as to avoid rigid contact between the two. Furthermore, in order to ensure that the fan case cover 7 better abuts against the rubber vibration-damping blocks 8 and increase the contact area, the lower ends of the side walls around the fan case cover 7 are bent inward to form edge plates 7b; when the fan case cover 7 is buckled on the fan case 5, the edge plates 7b abut against the rubber vibration-damping blocks 8.

[0035] Combination Figure 1 As shown, a square hole is provided at the center of the shielding steel plate 3, and a square frame 3a is provided along the position of the square hole; the honeycomb panel 4 is embedded in the square frame 3a by interference fit. The honeycomb panel 4 is installed by interference fit, which is convenient for subsequent disassembly. At the same time, the square frame 3a is provided to facilitate the installation of the honeycomb panel 4.

[0036] Combination Figure 6 As shown, the ventilation holes 7a are waist-shaped holes, and the long directions of all waist-shaped holes are parallel to each other. This arrangement is beneficial to increasing the air intake area and providing the air intake volume.

[0037] Combination Figure 1 , Figure 2As shown, the fan case cover 7 is connected to the fan case 5 by two hinges 9, and the fan case cover 7 can rotate around the rotating shaft of the hinges 9; the hinges 9 are installed on the side walls of the fan case cover 7 and the fan case 5 by riveting. Furthermore, a hook 10 is provided on the side wall of the fan case cover 7 opposite to the hinge 9; a block 11 is provided on the side wall of the fan case 5 opposite to the hinge 9; when the fan case cover 7 is buckled on the fan case 5, the hook 10 is buckled on the block 11. By utilizing the structure of the hook 10 and the block 11 being mutually buckled, the fan case cover 7 can be opened quickly, and at the same time, it can also play a role of buckling and locking when the fan case cover 7 is buckled.

[0038] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made under the concept of the present invention using the contents of the specification and drawings of the present invention, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A ventilation fan structure for a cabin with a shielding device installation structure, comprising a filter (1), a controller (2), a shielding steel plate (3) and a honeycomb plate (4) arranged in the middle of the shielding steel plate (3), characterized in that: It also includes a fan box (5), the top and bottom ends of which are both open. The shielding steel plate (3) is installed at the open position at the bottom end of the fan housing (5); A support plate (5a) is provided inside the fan housing (5), and a ventilation hole (5b) is provided on the support plate (5a) at a position directly facing the honeycomb panel (4); a fan base (6) is installed on the top surface of the support plate (5a), the center of the fan base (6) is provided with a fan installation hole (6a), and the axis of the fan installation hole (6a) coincides with the axis of the ventilation hole (5b); The filter (1) and the controller (2) are mounted on the top surface of the shielding steel plate (3); and the filter (1), the controller (2) and the fan base (6) are all located inside the fan housing (5); A fan box cover (7) that can be opened quickly is arranged at the top opening of the fan box body (5), and an array of ventilation holes (7a) are arranged on the fan box cover (7).

2. A ventilation fan structure for a shelter with a shielding device installation structure as claimed in claim 1, characterized in that: The lower ends of the side walls around the fan housing (5) are bent inward to form a lower mounting edge (5c), and bolt holes are provided on the lower mounting edge (5c). Bolt holes are also provided around the shielding steel plate (3); the shielding steel plate (3) is installed on the lower mounting edge (5c) of the fan housing (5) by means of bolt connection.

3. A ventilation fan structure for a shelter with a shielding device installation structure as claimed in claim 2, characterized in that: Both ends of the support plate (5a) are bent downward to form a bent portion (5d), and the bent portion (5d) is connected to the lower mounting edge (5c), so that a gap exists between the lower surface of the support plate (5a) and the top surface of the shielding steel plate (3).

4. A ventilation fan structure for a shelter with a shielding device mounting structure as claimed in claim 1, characterized in that: The diameter of the ventilation hole (5b) is smaller than the diameter of the fan installation hole (6a); the opening edge of the ventilation hole (5b) and the fan installation hole (6a) together form a limiting platform (6b).

5. The ventilation fan structure for a shelter with a shielding device installation structure according to claim 1, characterized in that: The upper ends of the side walls around the fan housing (5) are bent inward to form upper mounting edges (5e), ​​and a plurality of rubber vibration-damping blocks (8) are evenly distributed on each upper mounting edge (5e).

6. A ventilation fan structure for a shelter with a shielding device mounting structure as claimed in claim 5, characterized in that: The lower ends of the side walls around the fan box cover (7) are bent inward to form an edge plate (7b); when the fan box cover (7) is buckled onto the fan box body (5), the edge plate (7b) abuts against the rubber vibration damping block (8).

7. A ventilation fan structure for a shelter with a shielding device mounting structure as claimed in claim 1, characterized in that: A square hole is provided at the center of the shielding steel plate (3), and a square frame (3a) is provided along the position of the square hole; the honeycomb panel (4) is embedded in the square frame (3a) in an interference fit manner.

8. The ventilation fan structure for a shelter with a shielding device installation structure according to claim 1, characterized in that: The ventilation holes (7a) are waist-shaped holes, and the long directions of all the waist-shaped holes are parallel to each other.

9. The ventilation fan structure for a shelter with a shielding device installation structure according to claim 1, characterized in that: The fan box cover (7) and the fan box body (5) are connected via two hinges (9), and the fan box cover (7) can rotate around the rotating shaft of the hinges (9); the hinges (9) are installed on the side walls of the fan box cover (7) and the fan box body (5) by riveting.

10. A ventilation fan structure for a shelter with a shielding device installation structure as claimed in claim 9, characterized in that: A hook (10) is provided on the side wall of the fan case cover (7) opposite to the hinge (9); a clamping block (11) is provided on the side wall of the fan case body (5) opposite to the hinge (9); when the fan case cover (7) is buckled onto the fan case body (5), the hook (10) is clamped onto the clamping block (11).

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