Fan for ventilation system

Abstract

The utility model discloses a fan for a ventilation system, and belongs to the technical field of fans, the fan for the ventilation system comprises a protection frame, a protection plate and a fan main body, the protection plate is arranged right above the protection frame, the protection frame is sleeved on the outer side of the fan main body, a mounting plate is connected above the protection plate through bolts, and the mounting plate is connected with the fan main body through bolts. The two sides of the fan body are connected to the air outlet cover and the air inlet cover through bolts correspondingly, and rubber strips are fixedly connected to the inner side of the protection frame. Seven sets of rubber pads distributed at equal intervals are arranged above the mounting plate, when the fan is used, two sets of rubber strips are fixedly connected to the two sides of the protection frame, the protection frame is matched with the rubber strips to protect the outer side of the fan body, then the rubber pads are used for protecting the upper portion of the fan body, and the fan body is collided by foreign objects or falls off; and the fan cannot be damaged or deformed, so that the normal operation of the fan is prevented from being influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of fans, and more specifically to a fan for a ventilation system. Background Art

[0002] Ventilation is a building environment control technology that controls the spread and harm of air pollutants by means of air exchange dilution or ventilation exclusion, and ensures the quality of indoor and outdoor air environment. The ventilation system is to realize the ventilation function, including a complete set of devices including air inlets, exhaust seals, air supply ducts, fans, cooling and heating, filters, control systems and other ancillary equipment. The fan is one of the core components as the power source of the ventilation system. When installing the fan, it is usually installed on the outdoor wall through a bracket and then connected to the indoor pipe.

[0003] Based on the above, the inventors have found that: at present, the existing fans lack protective measures around them, and are easily damaged and deformed by external collisions, which in turn affects the normal operation of the fans. Because the fans are installed on outdoor walls, once damaged, workers are required to disassemble and assemble the fans back and forth for replacement and repair, which is time-consuming and laborious. Therefore, in view of this, the inventors have studied and improved the existing structure and provided a fan for a ventilation system, in order to achieve a more practical purpose. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide a fan for a ventilation system, which can prevent the fan from being damaged and deformed easily by external collisions due to lack of protective measures around the fan, thereby affecting the normal operation of the fan.

[0006] 2. Technical solution

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

[0008] A fan for a ventilation system comprises a protective frame, a protective plate and a fan body, wherein the protective plate is installed directly above the protective frame, the protective frame is sleeved on the outside of the fan body, a mounting plate is bolted to the top of the protective plate, and both sides of the fan body are bolted to an air outlet hood and an air inlet hood respectively, a rubber strip is fixedly connected to the inner side of the protective frame, a holder is fixedly connected to the top of the protective frame, a slot is provided on the inner side of the holder, a limiting screw is threadedly connected to the inner side of the slot, a rubber pad is fixedly connected to the top of the mounting plate, blocks are provided at the four corners of the protective plate, and a concave layer is fixedly connected to the inner side of the protective plate, and threaded grooves are provided at the four corners of the concave layer.

[0009] Furthermore, connecting rods are installed at the inner corners of the protective frame.

[0010] Furthermore, the fan body includes a fan and a motor installed on the side of the fan, and dustproof nets are installed on the inner sides of the air outlet cover and the air inlet cover.

[0011] Furthermore, the rubber strips are provided in two groups, with nine rubber strips forming one group.

[0012] Furthermore, the rubber pads are provided in seven groups and are evenly distributed above the mounting plate.

[0013] Furthermore, there are four card seats, which are symmetrically arranged at the four upper corners of the protective frame, and the card slots are connected by card insertion with the card blocks.

[0014] Furthermore, the limiting screws are provided in four groups, and each group of limiting screws passes through the clamping seat and the clamping block.

[0015] 3. Beneficial effects

[0016] Compared with the prior art, the advantages of the present invention are:

[0017] (1) In this solution, seven groups of rubber pads are arranged at equal intervals on the top of the mounting plate. When the fan is in use, two groups of rubber strips are fixedly connected to the two sides of the protection frame. The protection frame cooperates with the rubber strips to protect the outside of the fan body, and the rubber pads are used to protect the top of the fan body. Even if the fan is hit or dropped by foreign objects, it will not be damaged or deformed, thereby avoiding affecting the normal operation of the fan.

[0018] (2) In this solution, a protective frame is provided to be sleeved on the outer side of the fan body, four clamping blocks at the bottom of the mounting plate are clamped in the slots on the clamping seat, and four sets of limit screws are used to penetrate the clamping seat and the clamping blocks, so that the rubber pad can be quickly disassembled and assembled for easy use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0020] Figure 2 It is a schematic diagram of the main body of the fan of the utility model;

[0021] Figure 3 It is a schematic diagram of the protective plate of the utility model;

[0022] Figure 4 It is a schematic diagram of the disassembly of the protective plate of the utility model.

[0023] Description of the numbers in the figure:

[0024] 1. Protective frame; 101. Connecting rod; 2. Protective plate; 3. Fan body; 4. Mounting plate; 5. Air outlet cover; 6. Rubber strip; 7. Air inlet cover; 8. Rubber pad; 9. Block; 10. Concave layer; 11. Threaded groove; 12. Clamp seat; 13. Clamp slot; 14. Limit screw. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0026] Example:

[0027] See also Figure 1-4 A fan for a ventilation system comprises a protective frame 1, a protective plate 2 and a fan body 3. The protective plate 2 is installed directly above the protective frame 1, and the protective plate 2 protects the upper part of the fan body 3. The protective frame 1 is sleeved on the outer side of the fan body 3, and the protective frame 1 protects the outer side of the fan body 3. The upper part of the protective plate 2 is bolted with a mounting plate 4, and the mounting plate 4 is used to install a rubber pad 8. The two sides of the fan body 3 are bolted to an air outlet cover 5 and an air inlet cover 7 respectively, and the air outlet cover 5 and the air inlet cover 7 are used for air inlet and outlet. A rubber strip 6 is fixedly connected to the inner side of the protective frame 1. The rubber strip 6 protects both sides of the fan body 3. The top of the protection frame 1 is fixedly connected with a socket 12, and a slot 13 is provided on the inner side of the socket 12. The socket 12 and the slot 13 are used to clamp the protection plate 2. The inner side of the slot 13 is threadedly connected with a limiting screw 14, and the limiting screw 14 is used to limit the protection plate 2. A rubber pad 8 is fixedly connected to the top of the mounting plate 4, and the rubber pad 8 is used to prevent foreign objects from falling. Blocks 9 are provided at the four corners of the protection plate 2, and a concave layer 10 is fixedly connected to the inner side of the protection plate 2, and a threaded groove 11 is provided at the four corners of the concave layer 10.

[0028] See also Figure 1 and Figure 2 A connecting rod 101 is installed at the inner corner of the protective frame 1, and the protective frame 1 can be connected by setting the connecting rod 101.

[0029] See also Figure 1 and Figure 2 The fan body 3 includes a fan and a motor installed on the side of the fan. Dust-proof nets are installed on the inner sides of the air outlet cover 5 and the air inlet cover 7. The dust-proof nets can prevent dust from entering the fan body 3.

[0030] See also Figure 1There are two groups of rubber strips 6, each group consists of nine rubber strips 6. By arranging the rubber strips 6, both sides of the fan body 3 can be protected.

[0031] See also Figure 3 and Figure 4 There are seven groups of rubber pads 8 equidistantly distributed above the mounting plate 4 .

[0032] See also Figure 3 and Figure 4 There are four card seats 12, which are symmetrically arranged at the four corners of the upper part of the protection frame 1, and the card slots 13 are engaged with the card blocks 9. The protection plate 2 can be engaged by setting the card seats 12 and the card slots 13.

[0033] See also Figure 1 and Figure 2 There are four groups of limiting screws 14, and each group of limiting screws 14 passes through the base 12 and the block 9. The protective plate 2 can be limited by setting the limiting screws 14.

[0034] When in use: first, use the four blocks 9 at the bottom of the mounting plate 4 to be clamped in the slots 13 on the base 12, and then use four groups of limit screws 14 to penetrate the base 12 and the blocks 9. When the fan is in use, seven groups of equidistantly distributed rubber pads 8 are arranged above the mounting plate 4, and two groups of rubber strips 6 are fixedly connected to the two sides of the protective frame 1. The protective frame 1 cooperates with the rubber strips 6 to protect the outside of the fan body 3, and then the rubber pads 8 are used to protect the top of the fan body 3. The rubber pads 8 can be quickly disassembled and assembled for easy use; the fan will not be damaged or deformed even if it is hit or dropped by foreign objects, thereby avoiding affecting the normal operation of the fan.

[0035] Finally, it should be noted that in the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0036] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A fan for a ventilation system, comprising a protective frame (1), a protective plate (2) and a fan body (3), wherein the protective plate (2) is installed directly above the protective frame (1), and the protective frame (1) is sleeved on the outer side of the fan body (3), characterized in that: The upper part of the protective plate (2) is bolted to a mounting plate (4), the two sides of the fan body (3) are bolted to the air outlet cover (5) and the air inlet cover (7), respectively, the inner side of the protective frame (1) is fixedly connected to a rubber strip (6), the top of the protective frame (1) is fixedly connected to a holder (12), the inner side of the holder (12) is provided with a slot (13), the inner side of the slot (13) is threadedly connected to a limiting screw (14), the upper part of the mounting plate (4) is fixedly connected to a rubber pad (8), the four corners of the protective plate (2) are provided with blocks (9), and the inner side of the protective plate (2) is fixedly connected to a concave layer (10), and the four corners of the concave layer (10) are provided with threaded grooves (11).

2. A fan for a ventilation system according to claim 1, characterized in that: Connecting rods (101) are installed at the inner corners of the protection frame (1).

3. A fan for a ventilation system according to claim 1, characterized in that: The fan body (3) comprises a fan and a motor installed on the side of the fan, and dustproof nets are installed on the inner sides of the air outlet cover (5) and the air inlet cover (7).

4. A fan for a ventilation system according to claim 1, characterized in that: The rubber strips (6) are provided in two groups, with nine rubber strips (6) forming one group.

5. A fan for a ventilation system according to claim 1, characterized in that: The rubber pads (8) are provided in seven groups and are evenly distributed above the mounting plate (4).

6. A fan for a ventilation system according to claim 1, characterized in that: The card seats (12) are provided in four numbers and are symmetrically arranged at the four upper corners of the protection frame (1); the card slots (13) are connected by card insertion with the card blocks (9).

7. A fan for a ventilation system according to claim 1, characterized in that: The limiting screw rods (14) are provided in four groups, and each group of limiting screw rods (14) passes through the clamping seat (12) and the clamping block (9).

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