Vertical fan with low bottom noise

Abstract

The utility model relates to the technical field of fans, in particular to a low-bottom-noise vertical fan which comprises a fan body and a fan base, an upper supporting rod is fixedly installed at the bottom of the fan body, a positioning column is arranged at the bottom of the upper supporting rod, and a limiting groove and an installation hole are formed in the outer side surface of the positioning column. A clamping spring and a guide column are arranged in the mounting hole, a lower supporting rod is fixedly mounted at the top of the fan base, a guide hole is formed in the outer side surface of the lower supporting rod, a column hole is formed in the top surface of the lower supporting rod, and a limiting strip is fixedly mounted on the inner side surface of the column hole; an adsorption mechanism is arranged at the bottom of the fan base, and through the arrangement of the vertical fan with the small bottom noise, the purpose of enhancing the stability of the fan is achieved through the structural design in the adsorption mechanism, generation of structural noise is effectively reduced, and a quiet use environment is provided for a user.

Description

TECHNICAL FIELD

[0001] The utility model relates to fan technical field, concretely is a vertical fan of little bottom noise. BACKGROUND

[0002] With the improvement of living standards, people's comfort requirements of household appliances are also higher and higher. As a common cooling equipment in summer, the noise of vertical fan directly affects the user's experience when running.

[0003] The current vertical fan of little bottom noise, most of the fan relies on rubber pad to realize the contact with the ground, the stability of this contact mode is poor, so when running, it is easy to cause structural noise between the fan base and the ground, and further damage the surrounding environment, which is not conducive to subsequent use. At the same time, the support rod in the fan is mostly connected by screw thread, which needs to be tightened manually, and the installation and disassembly process is relatively cumbersome, thus reducing the convenience of the fan.

[0004] In summary, the utility model solves the problems in the above background technology by designing a vertical fan of little bottom noise. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a vertical fan of little bottom noise to solve the problems in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0007] A vertical fan of little bottom noise, comprising a fan body and a fan base, the bottom of the fan body is fixedly installed with an upper support rod, the bottom of the upper support rod is provided with a positioning column, the outer surface of the positioning column is respectively provided with a limiting groove and a mounting hole, the inner part of the mounting hole is respectively provided with a clamping spring and a guide column, the top of the fan base is fixedly installed with a lower support rod, the outer surface of the lower support rod is provided with a guide hole, the top surface of the lower support rod is provided with a column hole, the inner surface of the column hole is fixedly installed with a limiting strip, and the bottom of the fan base is provided with an adsorption mechanism.

[0008] The adsorption mechanism comprises a supporting suction cup, a connecting rod and a sealing pressure plate, the supporting suction cup is arranged below the fan base, and the top of the supporting suction cup is fixedly installed with a supporting seat, the inside of the supporting seat is provided with an air warehouse, the inside of the air warehouse is respectively provided with a stop block, a supporting compression spring and a gas guide column, the connecting rod is fixedly installed on the outer surface of the fan base, and the sealing pressure plate is fixedly arranged on the bottom side of the fan base.

[0009] As a preferred scheme of the utility model, the outer surface of the positioning column is in contact with the inner wall of the column hole.

[0010] As the preferred scheme of the utility model, the position of the limiting groove and the limiting strip is correspondingly arranged, the inner wall of the limiting groove is bonded with the outer side surface of the limiting strip and slides.

[0011] As the preferred scheme of the utility model, one end of the clamping spring is fixed with the inner wall of the mounting hole, and the other end is fixed with the right end of the guide column, the outer side surface of the guide column is inserted and matched with the guide hole, and the guide hole is equidistantly distributed about the outer side surface of the lower supporting rod.

[0012] As the preferred scheme of the utility model, the inner wall of the top end of the supporting suction disc extends to the inside of the air chamber.

[0013] As the preferred scheme of the utility model, the supporting compression spring is sleeved on the outer side of the air guide column, the bottom of the air guide column is fixedly connected with the top of the stopper, and the top is bonded with the inner wall of the top end of the air chamber and is fixedly connected with the bottom center surface of the sealing compression disc.

[0014] As the preferred scheme of the utility model, the shape of the connecting rod is a seven-shaped structure, and the shape of the air guide column is a cross-shaped structure.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. In the utility model, a vertical fan with low bottom noise is provided, which utilizes the structural design of the suction mechanism, and under the combination of the supporting compression spring, the stopper and the air guide column, can provide downward stretching force to the sealing compression disc, so that the sealing compression disc forms sealed contact with the supporting seat, ensures the sealing property of the air chamber, enhances the suction force of the supporting suction disc to the ground, and thus enhances the stability of the fan, effectively reduces the generation of structural noise, and provides a quiet use environment for the user.

[0017] 2. In the utility model, a vertical fan with low bottom noise is provided, which utilizes the structural design of the column hole, the positioning column, the limiting strip, the limiting groove, the clamping spring, the guide column and the guide hole, and under the cooperation of the column hole and the positioning column and the combination of the limiting strip and the limiting groove, the upper supporting rod and the lower supporting rod are stably close, under the support of the clamping spring to the guide column, the insertion and matching between the guide column and the guide hole is realized, and thus the purpose of quickly installing the upper supporting rod and the lower supporting rod is achieved, and the convenience of the fan is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic view of the utility model;

[0019] Figure 2 It is the structure schematic view of the upper supporting rod of the utility model;

[0020] Figure 3 It is the structure schematic view of lower support rod of the utility model;

[0021] Figure 4 It is the structure schematic view of fan base of the utility model;

[0022] Figure 5 It is the partial structure schematic view of adsorption mechanism of the utility model.

[0023] In the drawing: 1, fan main body; 2, fan base; 3, upper support rod; 4, positioning column; 401, limiting groove; 402, mounting hole; 4021, clamping spring; 4022, guide column; 5, lower support rod; 501, guide hole; 502, column hole; 5021, limiting strip; 6, adsorption mechanism; 601, supporting suction disc; 602, connecting rod; 603, sealing pressure disc; 604, supporting seat; 605, air warehouse; 606, stop block; 607, supporting compression spring; 608, air guide column. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0025] In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings, and several embodiments of the utility model are given. However, the utility model can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0026] It should be noted that when an element is referred to as "fixed to" another element, it can be directly on the other element or there can be a middle element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or there can be a middle element. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terms used in the specification of the utility model are only for the purpose of describing specific embodiments and are not intended to limit the utility model. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0028] Embodiment, please refer to Figures 1-5 The utility model provides a technical scheme:

[0029] A vertical fan with low noise, including fan main body 1 and fan base 2, the bottom of fan main body 1 is fixedly installed with upper support 3, the bottom of upper support 3 is provided with positioning column 4, the outer side surface of positioning column 4 is respectively provided with limiting slot 401 and mounting hole 402, the inside of mounting hole 402 is respectively provided with clamping spring 4021 and guide column 4022, the top of fan base 2 is fixedly installed with lower support 5, the outer side surface of lower support 5 is provided with guide hole 501, the top surface of lower support 5 is provided with column hole 502, the inner side surface of column hole 502 is fixedly installed with limiting strip 5021, the bottom of fan base 2 is provided with adsorption mechanism 6;

[0030] Specifically, the outer side surface of positioning column 4 is in contact with the inner wall of column hole 502, the positions of limiting slot 401 and limiting strip 5021 are correspondingly arranged, the inner wall of limiting slot 401 is in close sliding with the outer side surface of limiting strip 5021, one end of clamping spring 4021 is fixed with the inner wall of mounting hole 402, and the other end thereof is fixed with the right end of guide column 4022, the outer side surface of guide column 4022 is inserted and matched with guide hole 501, and guide hole 501 is equidistantly distributed about the outer side surface of lower support 5.

[0031] In the embodiment, positioning column 4 is mainly used to contact with the inner wall of column hole 502, to realize the contact between upper support 3 and lower support 5, under the close cooperation of limiting strip 5021 and limiting slot 401, upper support 3 and lower support 5 can move stably, and clamping spring 4021 is mainly used to elastically support guide column 4022, so that guide column 4022 is in close contact with guide hole 501, thereby realizing the quick connection between upper support 3 and lower support 5, and guide hole 501 can be flexibly adjusted with guide column 4022, to meet the position change of upper support 3.

[0032] In the embodiment, please refer to Figure 1 、 Figure 4 and Figure 5 , adsorption mechanism 6 includes support suction cup 601, connecting rod 602 and sealing pressure plate 603, support suction cup 601 is arranged below fan base 2, and the top of support suction cup 601 is fixedly installed with support seat 604, support seat 604 is provided with air chamber 605 in the inside, air chamber 605 is respectively provided with stop block 606, support compression spring 607 and air guide column 608 in the inside, connecting rod 602 is fixedly installed on the outer side surface of fan base 2, and sealing pressure plate 603 is fixedly arranged on the bottom side of fan base 2.

[0033] Specifically, the top end inner wall of the support suction disc 601 extends to the inside of the air chamber 605, the support compression spring 607 is sleeved on the outside of the air guide column 608, the bottom of the air guide column 608 is fixedly connected with the top of the stopper 606, and the top of the air guide column 608 is fitted through the top end inner wall of the air chamber 605 and is fixedly connected with the bottom center surface of the sealing compression disc 603, the shape of the connecting rod 602 is a seven-shaped structure, and the shape of the air guide column 608 is a cross-shaped structure.

[0034] In the embodiment, the support suction disc 601 is mainly used for being in contact with the ground through adsorption, and the support compression spring 607 and the stopper 606 are mainly used for applying a downward force to the sealing compression disc 603 through the air guide column 608, so that the sealing compression disc 603 is in sealing connection with the top of the support base 604, the change of the air pressure in the air chamber 605 is effectively prevented, the adsorption effect of the support suction disc 601 on the ground is ensured, the stability of the fan is improved, structural noise is prevented from being generated between the fan base 2 and the ground during the operation of the fan, and the noise reduction requirement of the fan is met.

[0035] The working process of the utility model is as follows: when the vertical fan with low bottom noise is used, the fan is first moved to the required position, then the support suction disc 601 is in contact with the ground under the action of the gravity of the fan base 2, the gas in the air chamber 605 is extruded through the support suction disc 601, the support compression spring 607 is in a stretched state and applies a downward force to the sealing compression disc 603 through the stopper 606 and the air guide column 608, the sealing connection between the sealing compression disc 603 and the support base 604 is realized, the stability of the air pressure in the air chamber 605 is ensured, the adsorption effect of the support suction disc 601 on the ground is improved, the stability of the fan base 2 is improved, structural noise is effectively prevented from being generated between the fan base 2 and the ground during the operation of the fan, finally the upper support rod 3 is moved, the positioning column 4 gradually approaches the column hole 502, the limiting strip 5021 and the limiting groove 401 are in close sliding connection during the approaching process, the upper support rod 3 and the lower support rod 5 are smoothly moved, the clamping spring 4021 drives the guide column 4022 to be in close clamping connection with the guide hole 501, the quick installation of the upper support rod 3 and the lower support rod 5 is realized, and the use requirement of the user is met.

[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A low-noise vertical fan comprising a fan body (1) and a fan base (2), characterized in that: The bottom of the fan body (1) is fixedly installed with an upper supporting rod (3), the bottom of the upper supporting rod (3) is provided with a positioning column (4), the outer side surface of the positioning column (4) is respectively provided with a limiting groove (401) and a mounting hole (402), the inner side of the mounting hole (402) is respectively provided with a clamping spring (4021) and a guide column (4022), the top of the fan base (2) is fixedly installed with a lower supporting rod (5), the outer side surface of the lower supporting rod (5) is provided with a guide hole (501), the top surface of the lower supporting rod (5) is provided with a column hole (502), the inner side surface of the column hole (502) is fixedly installed with a limiting strip (5021), and the bottom of the fan base (2) is provided with a suction mechanism (6). The suction mechanism (6) comprises a supporting suction disc (601), a connecting rod (602) and a sealing pressure plate (603), the supporting suction disc (601) is arranged below the fan base (2), the top of the supporting suction disc (601) is fixedly installed with a supporting seat (604), the inside of the supporting seat (604) is provided with an air chamber (605), the inside of the air chamber (605) is respectively provided with a stop block (606), a supporting compression spring (607) and a gas guide column (608), the connecting rod (602) is fixedly installed on the outer side surface of the fan base (2), and the sealing pressure plate (603) is fixedly arranged on the bottom side of the fan base (2).

2. A vertical fan with low noise according to claim 1, characterized in that: The outer side surface of the positioning column (4) is in contact with the inner wall of the column hole (502).

3. A vertical fan with low noise according to claim 1, characterized in that: The positions of the limiting groove (401) and the limiting strip (5021) are correspondingly arranged, the inner wall of the limiting groove (401) is in sliding fit with the outer side surface of the limiting strip (5021).

4. The vertical fan with low noise according to claim 1, characterized in that: One end of the clamping spring (4021) is fixed with the inner wall of the mounting hole (402), and the other end is fixed with the right end of the guide column (4022), the outer side surface of the guide column (4022) is in plug-fit with the guide hole (501), and the guide hole (501) is equidistantly distributed on the upper and lower sides of the outer side surface of the lower supporting rod (5).

5. The vertical fan with low noise according to claim 1, characterized in that: The top end inner wall of the supporting suction disc (601) extends into the inside of the air chamber (605).

6. A vertical fan with low noise according to claim 1, characterized in that: The supporting compression spring (607) is sleeved on the outer side of the gas guide column (608), the bottom of the gas guide column (608) is fixedly connected with the top of the stop block (606), and the top penetrates through the top end inner wall of the air chamber (605) and is fixedly connected with the bottom center surface of the sealing pressure plate (603).

7. A vertical fan with low noise according to claim 1, characterized in that: The connecting rod (602) is in the shape of a seven-shaped structure, and the gas guide column (608) is in the shape of a cross-shaped structure.

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