CN218151531U - Low-noise negative pressure fan convenient to install - Google Patents

Abstract

The utility model discloses an easy-to-install low-noise negative-pressure fan, which comprises a negative-pressure fan. The outer surface of the negative-pressure fan is provided with a frame, and the outer surface of the upper end of the frame is provided with a dust removal assembly. The outer surface of one side is provided with a mounting component. An easy-to-install low-noise negative pressure fan described in the utility model can effectively make the installation of the negative pressure fan more convenient and convenient through the provided installation components, and prevent the waste of time and space caused by inconvenient installation. People manually put the fan between the two groups of brackets protruding from the lower end of the mounting plate, align the first round hole of the side plate with the connecting hole barrel, insert the mounting screw into the first round hole, and perform the first step of fixing. A low-noise negative pressure fan that is easy to install. The dust on the surface of the negative pressure fan can be effectively cleaned through the dust removal component, preventing the dust from affecting the use of the negative pressure fan.

Description

An easy-to-install low-noise negative pressure fan

technical field

The utility model relates to the technical field of fans, in particular to a low-noise negative pressure fan which is easy to install.

Background technique

The negative pressure fan uses the cooling principle of air convection and negative pressure ventilation. It is a kind of natural suction of fresh air from the opposite door or window at the installation site, and the indoor stuffy air is quickly forced out of the room. Any poor ventilation problems can be improved. machine.

In the prior art, in a Chinese patent document with the patent application number CN201720389497.X, a negative pressure fan with noise reduction function is recorded, and the negative pressure fan is disclosed. The disadvantage is that the negative pressure fan is inconvenient Installation and disassembly, so it takes up a lot of space after use. It is easy to make the installation of the negative pressure fan inconvenient during the use of the negative pressure fan, resulting in a waste of installation time, and the dust removal effect is not very good, which affects the use of the negative pressure fan. In order to solve this problem To solve the problem, we propose a low-noise negative pressure fan that is easy to install.

Utility model content

(1) Solved technical problems

Aiming at the deficiencies of the prior art, the utility model provides an easy-to-install low-noise negative pressure fan, which has the advantages of easy installation and the effect of treating surface dust, and can effectively solve the problems in the background technology.

(2) Technical solution

In order to achieve the above purpose, the technical solution adopted by the utility model is: a low-noise negative pressure fan that is easy to install, including a negative pressure fan, the outer surface of the negative pressure fan is provided with a frame, and the outer surface of the upper end of the frame is A dust removal assembly is provided, and an installation assembly is provided on the outer surface of one side of the frame.

Preferably, the frame is detachably connected to the negative pressure fan, and the frame is slidably connected to the dust removal assembly.

Preferably, the installation assembly includes a protruding installation plate, a connecting hole cylinder, a side plate, a first round hole, a mounting screw, a reinforced square plate, a second round hole, a movable round block, a connecting rod, a first movable block, a concave Groove, long groove, ball, spring and arc-shaped block, the outer surface of one side of the negative pressure fan is provided with a protruding mounting plate, and the outer surface of one end of the protruding mounting plate is provided with multiple sets of connecting hole cylinders, the connecting The outer surface of one end of the hole cylinder is provided with a side plate, and the outer surface of one side of the side plate runs through multiple sets of first round holes, and the inner surface of the first round hole is provided with mounting screws, and the protruding mounting plate is connected with the side plate. The outer surface of the side is provided with a reinforced square plate, and the outer surface of one side of the reinforced square plate is provided with multiple groups of second circular holes, the inner surface of the second circular hole is penetrated with connecting rods, and the outer surfaces of both ends of the connecting rod are provided with Movable round block, the inner surface of one side of the connecting rod is provided with a long groove, the outer surface of one end of the long groove is provided with a first movable block, the outer surface of one end of the first movable block is provided with a ball, and one end of the ball is A spring is arranged on the outer surface, and an arc-shaped block is arranged on the outer surface of one end of the spring.

Preferably, the first movable block is flexibly connected to the connecting rod, the ball is fixedly connected to the first movable block, the spring is fixedly connected to the ball, and the arc-shaped block is connected to the spring. There is a fixed connection between them, the detachable connection between the protruding mounting plate and the side plate, and the detachable connection between the reinforced square plate and the protruding mounting plate.

Preferably, the dust removal assembly includes a chute, a slider, a fan, a protective frame, a screw, a motor, a guide rod, a second movable block and a telescopic rod, and two sets of chute are arranged on the outer surface of the upper end of the frame, so The inner surface of the chute is provided with a slider, the outer surface of the upper end of the slider is provided with a protective frame, the outer surface of one end of the protective frame is provided with a motor, the outer surface of one end of the motor is provided with a screw rod, and the outer surface of the upper end of the screw rod is A guide rod is arranged on the surface, a second movable block is arranged on the outer surface of the screw rod, a telescopic rod is arranged on the outer surface of one side of the second movable block, and a fan is arranged on the outer surface of the lower end of the telescopic rod.

Preferably, the motor is fixedly connected to the screw rod, the guide rod is fixedly connected to the protective frame, the second movable block is fixedly connected to the telescopic rod, and the fan is fixedly connected to the telescopic rod , sliding connection between the chute and the slider.

(3) Beneficial effects

Compared with the prior art, the utility model provides an easy-to-install low-noise negative pressure fan, which has the following beneficial effects:

1. This low-noise negative pressure fan that is easy to install can effectively make the installation of the negative pressure fan more convenient through the installation components, and prevent the waste of time and space caused by inconvenient installation. The fan is placed between the two groups of brackets protruding from the lower end of the mounting plate, aligned with the connecting hole cylinder through the first round hole of the side plate, and the installation screw is inserted into the first round hole for the first step of fixing, and then through the reinforcement square The second round hole of the plate is aligned with the round hole on one side of the protruding mounting plate and the side plate, and penetrates through the connecting rod, and then manually screw the movable round block on the outer surface of both ends of the connecting rod, and then squeeze the first through the groove Adjust the distance between the movable block and the reinforced square plate. After adjusting to a suitable position, the ball will push out of the first movable block through the rebound force of the spring in the long groove, and the first movable block will snap into the groove. Carry out the second step of fixing, and there is an interval in the middle of the first movable block arranged on the outer surface of one side of the connecting rod.

2. This low-noise negative pressure fan is easy to install. Through the dust removal component, the dust on the surface of the negative pressure fan can be effectively cleaned to prevent dust from affecting the use of the negative pressure fan. When dust is removed, start the motor, and the motor drives the wire The rod rotates, and the screw rod drives the second movable block to move under the action of the guide rod. At the same time, the protective frame slides in the chute under the action of the slider, so that the dust can be blown away above the negative pressure fan.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of an easy-to-install low-noise negative pressure fan of the present invention.

Fig. 2 is a side view of an installation component in an easy-to-install low-noise negative pressure fan of the present invention.

Fig. 3 is a side view of an installation component in an easy-to-install low-noise negative pressure fan of the present invention.

Fig. 4 is a side view of an installation component in an easy-to-install low-noise negative pressure fan of the present invention.

Fig. 5 is a partial side view sectional view of an installation component in a low-noise negative pressure fan that is easy to install according to the present invention.

Fig. 6 is a top view of the dust removal assembly in an easy-to-install low-noise negative pressure fan of the present invention.

Fig. 7 is an exploded side view of the dust removal assembly in a low-noise negative pressure fan that is easy to install in the present invention.

In the figure: 1. Negative pressure fan; 2. Installation component; 3. Rack; 4. Dust removal component; 5. Protruding mounting plate; 6. Connecting hole cylinder; 7. Side plate; 1. Mounting screws; 10. Reinforced square plate; 11. Second round hole; 12. Movable round block; 13. Connecting rod; 14. First movable block; 15. Groove; 16. Long groove; 17. Ball; 18, spring; 19, arc block; 20, chute; 21, slide block; 22, blower fan; 23, protective frame; 24, screw mandrel; 25, motor; 26, guide rod; 27, second movable block; 28, telescopic rod.

detailed description

In order to make the technical means, creative features, goals and effects achieved by the utility model easy to understand, the utility model will be further elaborated below in conjunction with specific embodiments.

Specific embodiment one

This embodiment is a low-noise negative pressure blower that is easy to install.

As shown in Figure 1-7, a low-noise negative pressure fan that is easy to install includes a negative pressure fan 1, a frame 3 is arranged on the outer surface of the negative pressure fan 1, and a dust removal assembly 4 is arranged on the outer surface of the upper end of the frame 3, The outer surface of one side of the frame 3 is provided with a mounting assembly 2 .

The detachable connection between the frame 3 and the negative pressure fan 1, the sliding connection between the frame 3 and the dust removal assembly 4, the installation assembly 2 includes a protruding mounting plate 5, a connecting hole cylinder 6, a side plate 7, and a first round hole 8 , Mounting screw 9, reinforced square plate 10, second round hole 11, movable round block 12, connecting rod 13, first movable block 14, groove 15, long groove 16, ball 17, spring 18 and arc block 19 , the outer surface of one side of the negative pressure fan 1 is provided with a protruding mounting plate 5, and the outer surface of one end of the protruding mounting plate 5 is provided with multiple sets of connecting hole cylinders 6, and the outer surface of one end of the connecting hole cylinder 6 is provided with a side plate 7, a side plate 7 The outer surface of one side runs through multiple groups of first round holes 8, the inner surface of the first round holes 8 is provided with mounting screws 9, and the outer surface of the protruding installation plate 5 and the side plate 7 is provided with a reinforced square plate 10, and the reinforced square plate The outer surface of one side of 10 is provided with multiple sets of second circular holes 11, the inner surface of the second circular hole 11 runs through a connecting rod 13, the outer surface of both ends of the connecting rod 13 is provided with movable round blocks 12, and the inner surface of one side of the connecting rod 13 is opened There is a long groove 16, the outer surface of one end of the long groove 16 is provided with a first movable block 14, the outer surface of one end of the first movable block 14 is provided with a ball 17, the outer surface of one end of the ball 17 is provided with a spring 18, and the outer surface of one end of the spring 18 is arranged Arc block 19 is arranged, flexibly connected between the first movable block 14 and connecting rod 13, fixedly connected between ball 17 and first movable block 14, fixedly connected between spring 18 and ball 17, arc block 19 and The springs 18 are fixedly connected, the protruding mounting plate 5 is detachably connected to the side plate 7 , and the reinforced square plate 10 is detachably connected to the protruding mounting plate 5 .

It should be noted that the utility model is a low-noise negative pressure fan that is easy to install. The installed assembly 2 can effectively make the installation of the negative pressure fan easier and prevent the waste of time and space caused by inconvenient installation. When installing, people manually put the fan between the two groups of brackets at the lower end of the protruding mounting plate 5, align the first round hole 8 of the side plate 7 with the connecting hole cylinder 6, and insert the mounting screw 9 into the first round hole 8, carry out the first step of fixing, then through the second round hole 11 of the reinforced square plate 10 to align with the round hole on the side of the protruding mounting plate 5 and side plate 7, through the connecting rod 13, and then manually screw on the movable The round block 12 is on the outer surface of the two ends of the connecting rod 13, and then squeezes the first movable block 14 through the groove 15 to adjust the distance between the square plate 10 and the reinforcement. The rebound force of the spring 18 makes the ball 17 push out the first movable block 14, and the first movable block 14 snaps into the groove 15 to carry out the second step of fixing, and the first movable block arranged on the outer surface of the connecting rod 13 side There is an interval in the middle of 14. By setting the dust removal assembly 4, the dust on the surface of the negative pressure fan can be effectively cleaned to prevent dust from affecting the use of the negative pressure fan. When removing dust, start the motor 25, and the motor 25 drives the screw rod 24 to rotate. 24 drives the second movable block 27 to move under the effect of the guide rod 26, and the protective frame 23 slides in the chute 20 under the effect of the slide block 21 simultaneously, so that the dust can be blown away above the negative pressure fan.

Specific embodiment two

This embodiment is an embodiment of an easy-to-install dust removal assembly for a low-noise negative pressure fan.

As shown in Figures 1, 6, and 7, a dust removal assembly for a low-noise negative pressure fan that is easy to install, the dust removal assembly 4 includes a chute 20, a slider 21, a fan 22, a protective frame 23, a screw rod 24, a motor 25. Guide rod 26, second movable block 27 and telescopic rod 28, two sets of chute 20 are arranged on the outer surface of the upper end of the frame 3, the inner surface of the chute 20 is provided with a slider 21, and the outer surface of the upper end of the slider 21 is provided with a protective Frame 23, protective frame 23 one end outer surface is provided with motor 25, and motor 25 one end outer surface is provided with screw mandrel 24, and screw mandrel 24 upper end outer surface is provided with guide rod 26, and screw mandrel 24 outer surface is provided with second movable block 27, The outer surface of the second movable block 27 is provided with a telescopic rod 28, and the outer surface of the lower end of the telescopic rod 28 is provided with a blower fan 22, fixedly connected between the motor 25 and the screw mandrel 24, and fixedly connected between the guide rod 26 and the protective frame 23. The two movable blocks 27 are fixedly connected with the telescopic rod 28, the blower fan 22 is fixedly connected with the telescopic rod 28, and the chute 20 and the slide block 21 are slidably connected.

It should be noted that in this article, relational terms such as first and second (number one, number two), etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between such entities or operations. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

The basic principles and main features of the present utility model and the advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model.

Claims (6)

1. The utility model provides a low noise type negative pressure fan convenient to installation, includes negative pressure fan (1), its characterized in that: the outer surface of the negative pressure fan (1) is provided with a rack (3), the outer surface of the upper end of the rack (3) is provided with a dust removal assembly (4), and the outer surface of one side of the rack (3) is provided with an installation assembly (2).

2. The low-noise type negative pressure fan easy to install according to claim 1, wherein: the frame (3) is detachably connected with the negative pressure fan (1), and the frame (3) is connected with the dust removal component (4) in a sliding mode.

3. The low-noise type negative pressure fan easy to install according to claim 1, wherein: the mounting component (2) comprises a protruding mounting plate (5), a connecting hole cylinder (6), side plates (7), first round holes (8), mounting screws (9), a reinforcing square plate (10), second round holes (11), movable round blocks (12), connecting rods (13), first movable blocks (14), grooves (15), elongated slots (16), round balls (17), springs (18) and arc-shaped blocks (19), wherein the protruding mounting plate (5) is arranged on the outer surface of one side of the negative pressure fan (1), a plurality of groups of connecting hole cylinders (6) are arranged on the outer surface of one end of the protruding mounting plate (5), the side plates (7) are arranged on the outer surface of one end of the connecting hole cylinder (6), a plurality of groups of first round holes (8) penetrate through the outer surface of one side of the side plate (7), the mounting screws (9) are arranged on the inner surface of the first round holes (8), the reinforcing square plates (10) are arranged on the outer surfaces of one sides of the protruding mounting plate (5) and the side of the side plate (7), a plurality of second round holes (11) are arranged on the outer surface of one side of the reinforcing square plate (10), the inner surface of the second round holes (11) penetrates through the connecting rods (13), the connecting rods (13) are arranged on the outer surface of one side of the connecting rods (12), the connecting rods (13), the elongated slots (16) are arranged on the outer surface of the connecting rods (13), the outer surface of one end of the long groove (16) is provided with a first movable block (14), the outer surface of one end of the first movable block (14) is provided with a ball (17), the outer surface of one end of the ball (17) is provided with a spring (18), and the outer surface of one end of the spring (18) is provided with an arc-shaped block (19).

4. The low-noise type negative pressure fan easy to install according to claim 3, wherein: swing joint between first movable block (14) and connecting rod (13), fixed connection between ball (17) and first movable block (14), fixed connection between spring (18) and ball (17), fixed connection between arc piece (19) and spring (18), can dismantle between protrusion mounting panel (5) and curb plate (7) and be connected, can dismantle between reinforcement square plate (10) and protrusion mounting panel (5) and be connected.

5. The easy-to-install low-noise negative pressure blower according to claim 1, wherein: dust removal subassembly (4) are including spout (20), slider (21), fan (22), protection frame (23), lead screw (24), motor (25), guide arm (26), second movable block (27) and telescopic link (28), frame (3) upper end surface is provided with two sets of spout (20), spout (20) internal surface is provided with slider (21), slider (21) upper end surface is provided with protection frame (23), protection frame (23) one end surface is provided with motor (25), motor (25) one end surface is provided with lead screw (24), lead screw (24) upper end surface is provided with guide arm (26), lead screw (24) surface is provided with second movable block (27), second movable block (27) one side surface is provided with telescopic link (28), telescopic link (28) lower extreme surface is provided with fan (22).

6. The easy-to-install low-noise negative pressure blower according to claim 5, wherein: fixed connection between motor (25) and lead screw (24), fixed connection between guide arm (26) and protection frame (23), fixed connection between second movable block (27) and telescopic link (28), fixed connection between fan (22) and telescopic link (28), sliding connection between spout (20) and slider (21).

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