Negative pressure fan mounting assembly

Abstract

The utility model discloses a negative pressure fan installation assembly, and relates to the technical field of negative pressure fan installation, the negative pressure fan installation assembly comprises a fan body and an installation structure, the installation structure comprises a top plate, sliding grooves are fixedly installed at the two ends of the lower surface of the top plate, sliding rods are installed in the two sliding grooves in a sliding mode, and the sliding rods are connected with the fan body. Two sliding rods are fixedly installed at the bottom ends of the two sliding rods, a bottom plate is fixedly installed at the bottom ends of the two sliding rods, a fan body is fixedly installed on the upper surface of the bottom plate, and driving assemblies are installed in a top plate and the two sliding grooves. The fan body is driven by the driving assembly to slide and rise to the designated position in the mounting structure, and the fan body is fixed, so that mounting of the negative pressure fan is completed, time and labor are saved, the mounting efficiency is improved, and by arranging the movable assembly, the level of the mounting structure can be movably adjusted through the movable assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of negative pressure fan installation, in particular to a negative pressure fan installation component. Background Art

[0002] A negative pressure fan is a device that uses the principles of air convection and negative pressure ventilation and cooling. Its main function is to use the opposite direction of the installation location (such as a door or window) to naturally inhale fresh air and quickly force the stuffy air in the room to be discharged outdoors, thereby improving the problem of poor ventilation.

[0003] Currently, when installing a negative pressure fan, multiple people are needed to lift the fan to the height of the fan port and then fix the fan in place. This installation process is not only time-consuming, labor-intensive and inefficient, but also presents certain safety hazards. In response to the above problems, the inventors have proposed a negative pressure fan installation assembly for solving the above problems. Utility Model Content

[0004] In order to solve the problem that the current installation method of negative pressure fans is not only time-consuming and labor-intensive, but also has certain safety hazards; the purpose of the utility model is to provide a negative pressure fan installation assembly.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: a negative pressure fan installation assembly, including a fan body and a mounting structure, the mounting structure including a top plate, both ends of the lower surface of the top plate are fixedly installed with slide grooves, sliding rods are slidably installed in the two slide grooves, the bottom ends of the two sliding rods are fixedly installed with a bottom plate, and the fan body is fixedly installed on the upper surface of the bottom plate, and a drive assembly is installed in the top plate and the two slide grooves.

[0006] Preferably, the drive assembly includes two symmetrically distributed threaded rods, the two threaded rods are respectively rotatably installed in corresponding slide grooves, and the threaded rods are threadedly inserted in corresponding sliding rods, a double-headed worm is rotatably installed in the top plate, a universal connecting head is fixedly installed at one end of the double-headed worm, and worm wheels are fixedly installed at the top ends of the two threaded rods, and the worm wheels are meshed with the double-headed worm.

[0007] Preferably, a louver fan is movably installed on one side of the fan body, a protective cover is fixedly installed on the side of the fan body away from the louver fan, two symmetrically distributed first mounting ears are fixedly installed on both sides of the top and bottom ends of the fan body, and the fan body is mounted on the base plate and the top plate through the first mounting ears.

[0008] Preferably, a movable component is installed at the center of one side of the upper surface of the top plate, and the movable component includes a connecting block, the connecting block is fixedly installed on the upper surface of the top plate, a fixed block is rotatably installed on one side of the connecting block, three second mounting ears distributed up and down are fixedly installed on the sides of the two slide grooves away from each other, and two third mounting ears distributed up and down are slidably installed on one side of the two slide grooves.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] 1. In the utility model, by setting the mounting structure and the driving assembly, when installing the negative pressure fan, the mounting structure is first fixedly installed at the fan port, and then the driving assembly is used to drive the fan body to slide and rise to a specified position in the mounting structure, and the fan body is fixed, thereby completing the installation of the negative pressure fan, which not only saves time and effort, but also improves the installation efficiency;

[0011] 2. In the present invention, by providing a movable component, the movable component can be used to flexibly adjust the level of the installation structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] 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 these drawings without paying creative work.

[0013] Figure 1 This is a schematic diagram of the overall front structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the overall back structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the drive assembly of the utility model;

[0016] Figure 4 For this utility model Figure 3 A schematic diagram of the enlarged structure in the middle.

[0017] In the figure: 1. fan body; 11. first mounting ear; 12. louver fan; 13. protective cover; 2. mounting structure; 21. top plate; 22. slide groove; 221. second mounting ear; 222. third mounting ear; 23. sliding rod; 24. bottom plate; 3. movable component; 31. fixed block; 32. connecting block; 4. driving component; 41. threaded rod; 42. worm gear; 43. double-headed worm; 44. universal connector. DETAILED DESCRIPTION

[0018] 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 in 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.

[0019] Example: Figure 1-4 As shown, the utility model provides a negative pressure fan mounting assembly, including a fan body 1 and a mounting structure 2, the mounting structure 2 including a top plate 21, both ends of the lower surface of the top plate 21 are fixedly mounted with slide grooves 22, both slide grooves 22 are slidably mounted with sliding rods 23, the bottom ends of the two sliding rods 23 are fixedly mounted with a bottom plate 24, and the fan body 1 is fixedly mounted on the upper surface of the bottom plate 24, and a driving assembly 4 is installed in the top plate 21 and the two slide grooves 22. When the negative pressure fan is installed, the fan body 1 can be installed at a specified position using the mounting structure 2. First, the mounting structure 2 is fixedly mounted at the fan port, and then the driving assembly 4 is used to drive the sliding rod 23 to slide downward in the slide groove 22, and the sliding rod 23 drives the bottom plate 24 to descend, and then the fan body 1 is installed on the bottom plate 24, and then the driving assembly 4 is used to drive the sliding rod 23 and the bottom plate 24 to rise, so that the top of the fan body 1 contacts the lower surface of the top plate 21, and the fan body 1 is fixed, thereby completing the installation of the negative pressure fan.

[0020] The driving assembly 4 includes two symmetrically distributed threaded rods 41 . The two threaded rods 41 are rotatably installed in the corresponding sliding grooves 22 , and the threaded rods 41 are threadably inserted in the corresponding sliding rods 23 .

[0021] By adopting the above technical solution, the threaded rod 41 drives the sliding rod 23 to slide and rise and fall in the sliding groove 22 .

[0022] A double-headed worm 43 is rotatably mounted in the top plate 21 , and a universal connector 44 is fixedly mounted on one end of the double-headed worm 43 .

[0023] By adopting the above technical solution, the double-headed worm 43 is driven to rotate via the universal connector 44 using an electric tool.

[0024] A worm gear 42 is fixedly mounted on the top of each of the two threaded rods 41 , and the worm gear 42 is meshed with a double-start worm 43 .

[0025] By adopting the above technical solution, the double-headed worm 43 drives the worm wheel 42 to rotate, and the worm wheel 42 drives the threaded rod 41 to rotate.

[0026] A shutter fan 12 is movably mounted on one side of the fan body 1 , and a protective cover 13 is fixedly mounted on the side of the fan body 1 away from the shutter fan 12 .

[0027] By adopting the above technical solution, the louver fan 12 can be used to control the exhaust volume and exhaust direction, and the protective cover 13 can prevent larger particles from entering the fan body 1 and causing damage to the fan blades.

[0028] Two symmetrically distributed first mounting ears 11 are fixedly mounted on both sides of the top and bottom ends of the fan body 1 , and the fan body 1 is mounted on the bottom plate 24 and the top plate 21 through the first mounting ears 11 .

[0029] By adopting the above technical solution, the fan body 1 is installed between the bottom plate 24 and the top plate 21 through the first mounting ear 11 .

[0030] A movable assembly 3 is installed at the center of one side of the upper surface of the top plate 21 . The movable assembly 3 includes a connecting block 32 . The connecting block 32 is fixedly installed on the upper surface of the top plate 21 . A fixed block 31 is rotatably installed on one side of the connecting block 32 .

[0031] By adopting the above technical solution, the fixing block 31 is first fixedly installed at the center of the top of the fan port, and then a level ruler is placed on the top plate 21 to adjust the installation structure 2 to be level.

[0032] Three second mounting ears 221 distributed up and down are fixedly mounted on one side of the two slide grooves 22 away from each other, and two third mounting ears 222 distributed up and down are slidably mounted on one side of the two slide grooves 22 .

[0033] By adopting the above technical solution, the mounting structure 2 is fixedly mounted at the fan port through the second mounting ear 221 , and the fan body 1 is reinforced through the third mounting ear 222 .

[0034] Working principle: When installing the negative pressure fan, the fan body 1 can be installed at the specified position using the mounting structure 2. First, the fixing block 31 is fixedly installed at the center of the top of the fan port. Then, a level ruler is placed on the top plate 21 to adjust the level of the mounting structure 2, and the mounting structure 2 is fixedly installed at the fan port through the second mounting ear 221. Then, the driving component 4 is used to drive the sliding rod 23 to slide downward in the sliding groove 22, and the sliding rod 23 drives the bottom plate 24 to descend, and then the fan body 1 is installed on the bottom plate 2. 4, then use an electric tool to drive the double-headed worm 43 to rotate through the universal connecting head 44, the double-headed worm 43 drives the worm wheel 42 to rotate, the worm wheel 42 drives the threaded rod 41 to rotate, and the threaded rod 41 drives the sliding rod 23 to slide and rise in the sliding groove 22, so that the top of the fan body 1 contacts the lower surface of the top plate 21, the fan body 1 is installed between the bottom plate 24 and the top plate 21 through the first mounting ear 11, and the fan body 1 is reinforced through the third mounting ear 222, thereby completing the installation of the negative pressure fan.

[0035] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A negative pressure fan installation assembly, comprising a fan body (1) and a mounting structure (2), characterized in that: The mounting structure (2) comprises a top plate (21), and both ends of the lower surface of the top plate (21) are fixedly mounted with slide grooves (22), and two slide grooves (22) are slidably mounted with sliding rods (23), and the bottom ends of the two sliding rods (23) are fixedly mounted with a bottom plate (24), and the fan body (1) is fixedly mounted on the upper surface of the bottom plate (24), and a driving assembly (4) is installed in the top plate (21) and the two slide grooves (22).

2. A negative pressure fan installation assembly according to claim 1, characterized in that: The driving assembly (4) comprises two symmetrically distributed threaded rods (41), the two threaded rods (41) are rotatably mounted in corresponding sliding grooves (22) respectively, and the threaded rods (41) are threadably inserted in corresponding sliding rods (23).

3. A negative pressure fan installation assembly according to claim 1, characterized in that: A double-headed worm (43) is rotatably mounted inside the top plate (21), and a universal connector (44) is fixedly mounted on one end of the double-headed worm (43).

4. A negative pressure fan installation assembly according to claim 2, characterized in that: A worm wheel (42) is fixedly mounted on the top ends of the two threaded rods (41), and the worm wheel (42) is meshed with a double-headed worm (43).

5. A negative pressure fan installation assembly according to claim 1, characterized in that: A louver fan (12) is movably mounted on one side of the fan body (1), and a protective cover (13) is fixedly mounted on the side of the fan body (1) away from the louver fan (12).

6. A negative pressure fan installation assembly according to claim 1, characterized in that: Two symmetrically distributed first mounting ears (11) are fixedly mounted on both sides of the top and bottom ends of the fan body (1), and the fan body (1) is mounted on the bottom plate (24) and the top plate (21) via the first mounting ears (11).

7. A negative pressure fan installation assembly according to claim 1, characterized in that: A movable component (3) is installed at the center of one side of the upper surface of the top plate (21), and the movable component (3) comprises a connecting block (32). The connecting block (32) is fixedly installed on the upper surface of the top plate (21), and a fixed block (31) is rotatably installed on one side of the connecting block (32).

8. A negative pressure fan installation assembly according to claim 1, characterized in that: Three second mounting ears (221) distributed up and down are fixedly mounted on one side of the two slide grooves (22) away from each other, and two third mounting ears (222) distributed up and down are slidably mounted on one side of the two slide grooves (22).

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