Supporting device for installing induced draft fan

Abstract

The utility model discloses a supporting device for installation of an induced draft fan, and relates to the technical field of installation of induced draft fans. The supporting device for installation of the induced draft fan comprises an induced draft fan body, a positioning frame is arranged at the bottom of the induced draft fan body, a fixing mechanism is arranged at the top of the induced draft fan body, and an adjusting mechanism is arranged at the top of the induced draft fan body. According to the supporting device for installation of the induced draft fan, by arranging the sliding block, when the situation that the installation effect is influenced by adjusting the position of a fixing screw rod during installation needs to be avoided, firstly, when the fixing block is fixed, a pull ring can be pulled, so that a clamping rod in a connecting frame is separated from the interior of a clamping groove, then the positions of the sliding block and the fixing rod are adjusted, and after adjustment is completed, the sliding block is fixed; and a pull ring is pushed again, so that a clamping rod is inserted into a clamping groove, a sliding block is fixed, the induced draft fan body is better installed conveniently, and the situation that the installation effect is affected by adjusting the position of a fixing screw during installation is conveniently avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of induced draft fan installation, and particularly relates to a supporting device for induced draft fan installation. Background Art

[0002] The ventilation pipe induced draft fan is an important ventilation, air change and exhaust device, which is widely used in buildings, factories, mines, tunnels and other places. It drives the impeller to rotate through the motor, generates negative pressure, extracts air from the system or equipment, and then transports the air to the area that needs ventilation or exhaust through the ventilation pipe or air duct.

[0003] When the above device is in use, it does not have a structure for adjusting the support frame of the induced draft fan. When the existing ventilation pipe induced draft fan is in use, the installation frame of the induced draft fan needs to be pre-installed and fixed on the ceiling. However, due to the deviation and difficulty in adjusting the opening of the hole position during the drilling installation of the support frame, the offset installation frame after the installation of the induced draft fan is likely to affect the support effect of the induced draft fan. Based on the existing technical deficiencies, the utility model designs a supporting device for induced draft fan installation. Summary of the Utility Model

[0004] To solve the above problems existing in the prior art, the utility model provides a supporting device for induced draft fan installation, which has the characteristic of adjustable support frame for the induced draft fan.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A supporting device for induced draft fan installation, including an induced draft fan main body, a positioning frame is arranged at the bottom of the induced draft fan main body, a fixing mechanism is arranged at the top of the induced draft fan main body, and an adjusting mechanism is arranged at the top of the induced draft fan main body;

[0006] Adjusting mechanism, the adjusting mechanism includes a slider, a fixing rod, a limiting plate, a clamping groove, a connecting frame, a pull ring and a clamping rod. The slider is arranged at the top of the induced draft fan main body, the lower surface of the slider is fixedly connected with the fixing rod, one side of the slider is fixedly connected with the limiting plate, a clamping groove is arranged on one side of the slider, the outer surface of the slider is slidably connected with the connecting frame, one side of the connecting frame is fixedly connected with the pull ring, and a clamping rod is fixedly connected inside the connecting frame.

[0007] As a preferred technical solution of the supporting device for induced draft fan installation of the utility model, an installation disc is fixedly connected to one side of the induced draft fan main body, a fan blade is arranged inside the induced draft fan main body, a motor is arranged inside the induced draft fan main body, a fixing frame is arranged on one side of the motor, and an installation frame is fixedly installed at the bottom of the induced draft fan main body.

[0008] As a preferred technical solution of a support device for installing an induced draft fan of the utility model, a mounting hole is provided on the upper surface of the positioning frame, a connecting hole is provided on the upper surface of the positioning frame, a threaded rod is movably inserted inside the connecting hole, and a fixing nut is threadedly sleeved on the outer surface of the threaded rod.

[0009] As a preferred technical solution of a support device for installing an induced draft fan of the utility model, the fixing mechanism includes a fixing block, a fixing screw, an arc groove and a slide groove. The fixing block is arranged on the top of the induced draft fan body, and a fixing screw is movably inserted inside the fixing block. An arc groove is provided on the lower surface of the fixing block, and a slide groove is provided on one side of the fixing block.

[0010] As a preferred technical solution of a supporting device for installing an induced draft fan of the utility model, the sliding block is slidably connected to the inside of the fixed block, and the sliding block is slidably connected to the inside of the sliding groove.

[0011] As a preferred technical solution of a supporting device for installing an induced draft fan of the utility model, the fixing rod is slidably connected to the inside of the arc-shaped groove, and the fixing rod is fixedly connected to the top of the threaded rod.

[0012] As a preferred technical solution of a supporting device for installing an induced draft fan of the utility model, the connecting frame is slidably connected to one side of the fixed block, and the connecting frame is slidably sleeved on the outer surface of the sliding block.

[0013] As a preferred technical solution of a supporting device for installing an induced draft fan of the utility model, the clamping rod is slidably inserted in the interior of the sliding block, and the clamping rod is slidably inserted in the interior of the clamping slot.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. When the utility model is in use, by setting a slider, when it is necessary to avoid adjusting the position of the fixing screw during installation to affect the installation effect, first, when the fixing block is fixed, the pull ring can be pulled to make the clamping rod inside the connecting frame disengage from the inside of the clamping groove, and then the position of the slider and the fixing rod is adjusted. After the adjustment is completed, the pull ring is pushed again to insert the clamping rod into the inside of the clamping groove to fix the slider, which is convenient for better installation of the induced draft fan body. This device facilitates avoiding adjusting the position of the fixing screw during installation to affect the installation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 This is a schematic diagram of the main structure of the induced draft fan of the utility model;

[0018] Figure 2 Schematic diagram of the positioning frame structure of the present utility model;

[0019] Figure 3 Schematic diagram of the fan blade structure of the present utility model;

[0020] Figure 4 Schematic diagram of the adjustment mechanism structure of the present utility model;

[0021] Figure 5 Schematic diagram of the fixing mechanism structure of the present utility model.

[0022] In the figure: 1, the main body of the induced draft fan; 101, the mounting plate; 102, the fan blade; 103, the motor; 104, the fixing frame; 105, the mounting frame; 2, the positioning frame; 201, the mounting hole; 202, the connecting hole; 203, the threaded rod; 204, the fixing nut; 3, the fixing mechanism; 301, the fixing block; 302, the fixing screw; 303, the arc-shaped groove; 304, the sliding groove; 4, the adjustment mechanism; 401, the slider; 402, the fixing rod; 403, the limiting plate; 404, the card slot; 405, the connecting frame; 406, the pull ring; 407, the clamping rod. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0024] Embodiment 1

[0025] Please refer to Figures 1-5 , the present utility model provides the following technical solutions: A support device for installing an induced draft fan, including the main body 1 of the induced draft fan, a positioning frame 2 is provided at the bottom of the main body 1 of the induced draft fan, a fixing mechanism 3 is provided at the top of the main body 1 of the induced draft fan, and an adjustment mechanism 4 is provided at the top of the main body 1 of the induced draft fan;

[0026] One side of the main body 1 of the induced draft fan is fixedly connected with a mounting plate 101, a fan blade 102 is arranged inside the main body 1 of the induced draft fan, a motor 103 is arranged inside the main body 1 of the induced draft fan, a fixing frame 104 is arranged on one side of the motor 103, and a mounting frame 105 is fixedly installed at the bottom of the main body 1 of the induced draft fan.

[0027] The upper surface of the positioning frame 2 is provided with an installation hole 201, and the upper surface of the positioning frame 2 is provided with a connection hole 202. A threaded rod 203 is movably inserted into the connection hole 202, and a fixing nut 204 is threadedly sleeved on the outer surface of the threaded rod 203.

[0028] It should be further explained that: an installation frame 105 is provided at the bottom of the induced draft fan main body 1. Through the installation frame 105, it is convenient to install the induced draft fan main body 1 on the top of the positioning frame 2. A plurality of connection holes 202 are provided on the positioning frame 2. Through the connection holes 202, it is convenient to connect the threaded rod 203 and the fixing rod 402. A fixing mechanism 3 and an adjusting mechanism 4 are provided on the top of the induced draft fan main body 1. By providing the fixing mechanism 3 and the adjusting mechanism 4, it is convenient to adjust the position of the fixing rod 402 when the induced draft fan main body 1 is installed, avoiding adjusting the position of the fixing screw rod 302 and affecting the installation effect of the induced draft fan main body 1.

[0029] Embodiment 2

[0030] Please refer to Figures 3-5 , the present utility model provides the following technical solutions:

[0031] Adjusting mechanism 4, the adjusting mechanism 4 includes a slider 401, a fixing rod 402, a limiting plate 403, a card slot 404, a connecting frame 405, a pull ring 406 and a clamping rod 407. The slider 401 is arranged on the top of the induced draft fan main body 1. The lower surface of the slider 401 is fixedly connected with a fixing rod 402. One side of the slider 401 is fixedly connected with a limiting plate 403. A card slot 404 is opened on one side of the slider 401. The outer surface of the slider 401 is slidably connected with a connecting frame 405. One side of the connecting frame 405 is fixedly connected with a pull ring 406. A clamping rod 407 is fixedly connected inside the connecting frame 405.

[0032] The fixing mechanism 3 includes a fixing block 301, a fixing screw rod 302, an arc-shaped groove 303 and a sliding groove 304. The fixing block 301 is arranged on the top of the induced draft fan main body 1. A fixing screw rod 302 is movably inserted into the fixing block 301. An arc-shaped groove 303 is opened on the lower surface of the fixing block 301. A sliding groove 304 is opened on one side of the fixing block 301.

[0033] The slider 401 is slidably connected inside the fixing block 301, and the slider 401 is slidably connected inside the sliding groove 304.

[0034] The fixing rod 402 is slidably connected inside the arc-shaped groove 303, and the fixing rod 402 is fixedly connected to the top of the threaded rod 203.

[0035] The connecting frame 405 is slidably connected to one side of the fixing block 301, and the connecting frame 405 is slidably sleeved on the outer surface of the slider 401.

[0036] The clamping rod 407 is slidably inserted inside the slider 401 and the clamping rod 407 is slidably inserted inside the clamping groove 404.

[0037] It should be further explained that when the fixed block 301 is already fixed, the pull ring 406 can be pulled to disengage the clamping rod 407 inside the connecting frame 405 from the inside of the clamping groove 404, and then the positions of the slider 401 and the fixed rod 402 are adjusted. After the adjustment is completed, the pull ring 406 is pushed again to insert the clamping rod 407 into the inside of the clamping groove 404 to fix the slider 401, which is convenient for better installing the induced draft fan main body 1.

[0038] Working principle: When a support device for installing an induced draft fan is in use, first, an installation frame 105 is provided at the bottom of the induced draft fan main body 1. Through the installation frame 105, it is convenient to install the induced draft fan main body 1 on the top of the positioning frame 2. A number of connection holes 202 are provided on the positioning frame 2. Through the connection holes 202, it is convenient to connect the threaded rod 203 and the fixed rod 402. A fixing mechanism 3 and an adjusting mechanism 4 are provided at the top of the induced draft fan main body 1. By providing the fixing mechanism 3 and the adjusting mechanism 4, it is convenient to adjust the position of the fixed rod 402 when the induced draft fan main body 1 is installed, avoiding adjusting the position of the fixing screw 302 and affecting the installation effect of the induced draft fan main body 1;

[0039] When it is necessary to avoid adjusting the position of the fixing screw 302 during installation and affecting the installation effect, first, when the fixed block 301 is already fixed, the pull ring 406 can be pulled to disengage the clamping rod 407 inside the connecting frame 405 from the inside of the clamping groove 404, and then the positions of the slider 401 and the fixed rod 402 are adjusted. After the adjustment is completed, the pull ring 406 is pushed again to insert the clamping rod 407 into the inside of the clamping groove 404 to fix the slider 401, which is convenient for better installing the induced draft fan main body 1. This device is convenient for avoiding adjusting the position of the fixing screw 302 during installation and affecting the installation effect.

[0040] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A support device for installing a induced draft fan, comprising an induced draft fan main body (1), characterized in that: A positioning frame (2) is provided at the bottom of the induced draft fan main body (1), a fixing mechanism (3) is provided at the top of the induced draft fan main body (1), and an adjusting mechanism (4) is provided at the top of the induced draft fan main body (1). Adjusting mechanism (4), the adjusting mechanism (4) includes a slider (401), a fixed rod (402), a limiting plate (403), a card slot (404), a connecting frame (405), a pull ring (406) and a clamping rod (407). The slider (401) is arranged on the top of the induced draft fan main body (1). The lower surface of the slider (401) is fixedly connected with a fixed rod (402). One side of the slider (401) is fixedly connected with a limiting plate (403). One side of the slider (401) is provided with a card slot (404). The outer surface of the slider (401) is slidably connected with a connecting frame (405). One side of the connecting frame (405) is fixedly connected with a pull ring (406). The inside of the connecting frame (405) is fixedly connected with a clamping rod (407).

2. The support device for installing a induced draft fan according to claim 1, characterized in that: One side of the induced draft fan main body (1) is fixedly connected with a mounting plate (101). A fan blade (102) is arranged inside the induced draft fan main body (1). A motor (103) is arranged inside the induced draft fan main body (1). A fixing frame (104) is arranged on one side of the motor (103). The bottom of the induced draft fan main body (1) is fixedly installed with a mounting frame (105).

3. The support device for installing a induced draft fan according to claim 1, characterized in that: The upper surface of the positioning frame (2) is provided with a mounting hole (201). The upper surface of the positioning frame (2) is provided with a connecting hole (202). A threaded rod (203) is movably inserted into the connecting hole (202). A fixing nut (204) is threadedly sleeved on the outer surface of the threaded rod (203).

4. A support device for installing a draft fan according to claim 1, characterized in that: The fixing mechanism (3) includes a fixing block (301), a fixing screw (302), an arc-shaped groove (303) and a sliding groove (304). The fixing block (301) is arranged on the top of the induced draft fan main body (1). A fixing screw (302) is movably inserted into the fixing block (301). The lower surface of the fixing block (301) is provided with an arc-shaped groove (303). One side of the fixing block (301) is provided with a sliding groove (304).

5. The support device for installing a induced draft fan according to claim 1, characterized in that: The slider (401) is slidably connected inside the fixing block (301). The slider (401) is slidably connected inside the sliding groove (304).

6. A support device for installing a induced draft fan according to claim 1, characterized in that: The fixed rod (402) is slidably connected inside the arc-shaped groove (303). The fixed rod (402) is fixedly connected to the top of the threaded rod (203).

7. A support device for installing a induced draft fan according to claim 1, characterized in that: The connecting frame (405) is slidably connected to one side of the fixing block (301). The connecting frame (405) is slidably sleeved on the outer surface of the slider (401).

8. The support device for installing a induced draft fan according to claim 1, characterized in that: The clamping rod (407) is slidably inserted into the slider (401). The clamping rod (407) is slidably inserted into the card slot (404).

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