WO2023197616A1

WO2023197616A1 - Height-adjustable turbofan

Info

Publication number: WO2023197616A1
Application number: PCT/CN2022/135353
Authority: WO
Inventors: 邬志坚
Original assignee: 邬志坚
Priority date: 2022-04-15
Filing date: 2022-11-30
Publication date: 2023-10-19
Also published as: CN217380951U

Abstract

A height-adjustable turbofan, comprising a base (1), a rod body (2) provided on the base (1), and a fan body (3) provided on the rod body (2). The fan body (3) is fixed to one side of the rod body (2) by means of an adjustment mechanism. The adjustment mechanism comprises a fixing seat (4), a socket (5), a pressure plate (6), and a transmission rod (7). The fixing seat (4) is fixedly connected to the fan body (3), and the socket (5) and the pressure plate (6) are oppositely arranged on both sides of the rod body (2). A through opening (5.1) matched with the outer diameter of the rod body (2) is formed in the socket (5), the pressure plate (6) is arranged in the socket (5) in a floating manner, and the fixing seat (4) abuts against an end surface of the pressure plate (6). The transmission rod (7) passes through the fixing seat (4), the socket (5) and the pressure plate (6), and the transmission rod (7) is connected to the fixing seat (4) and pulls the fixing seat (4) to move relative to the rod body (2). The transmission rod drives the fixing seat to abut against or be separated from the pressure plate, thereby achieving stepless adjustment of the height of the fan.

Description

A liftable turbofan

Technical field

The utility model relates to the technical field of fan equipment, in particular to a liftable turbofan.

Background technique

At present, fans are commonly used electrical appliances in homes. Floor-standing fans, especially circulation fans, usually include an air outlet, a rod body and a base. The air outlet head is set at the upper end of the rod body. During use, in order to achieve air circulation at different positions, the fan is also set Height adjustment mechanism, while the height adjustment mechanism in the prior art is usually arranged on the rod body, a height adjustment mechanism in the prior art is provided with multi-section rod units, and each rod unit can telescope to each other, thereby achieving The purpose of height adjustment, but the height adjustment point of this method is limited by the length of the rod unit, and stepless adjustment cannot be achieved. Moreover, the fans on the market usually integrate the power cord and control module on the rod body, which is not conducive to later disassembly. and repairs.

Utility model content

In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a liftable turbine fan to facilitate vertical adjustment of the air outlet surface.

The above technical objectives of the present invention are achieved through the following technical solutions: a liftable turbofan, including a base, a rod provided on the base, and a fan main body provided on the rod. An adjustment mechanism is fixed on one side of the rod body. The adjustment mechanism is arranged along the radial direction of the rod body. The adjustment mechanism includes: a fixed base, and the fixed base is fixedly connected to the fan body.

The sleeve seat and the pressure plate are arranged oppositely on both sides of the rod body, the pressure plate is floatingly arranged in the sleeve seat, and the fixed seat offsets the end face of the pressure plate;

Transmission rod, the transmission rod is passed between the fixed seat, the sleeve seat and the pressure plate, the transmission rod is connected with the fixed seat, the fixed seat is pulled by the transmission rod and moves relative to the rod body;

The transmission rod pulls the fixed seat close to the rod body, and the fixed seat pushes the pressure plate to press the rod body so that the fan body is maintained in the current vertical position; the transmission rod pulls the fixed seat away from the rod body, and the The pressure plate and the rod body are released from the interference fit, so that the fan body slides vertically along the rod body.

Further, the transmission rod includes a fixed end connected to the fixed base, and a transmission end extending out of the sleeve. A knob is set on the transmission end, and a thread is provided between the knob and the transmission end. The transmission rod rotates with the knob and drives the fixed base to move.

Further, the rod body is provided with a guide channel arranged along the axial direction, the pressure plate is provided with a guide portion that penetrates the guide channel, and the transmission rod passes through the guide channel in the radial direction of the rod body and is connected with the guide channel. Fixed base connection.

Further, the guide parts are arranged at the upper and lower ends of the pressure plate, one of the guide parts corresponds to the fan body at the highest vertical position, and the other guide part corresponds to the fan body at the lowest vertical position.

Further, the sleeve is provided with a first pressing surface that matches the profile of the rod body, and the pressure plate is provided with a second pressing surface that matches the profile of the rod body. The first pressing surface and the second pressing surface are The two surfaces are arranged opposite each other, the first pressing surface is enclosed on the circumferential side of the rod body, and the second pressing surface is floatingly arranged on one side of the rod body along with the pressure plate.

Further, the sleeve seat opens toward one side of the fan body, the pressure plate is placed in the sleeve seat through the opening, and the pressure plate is at least partially placed in the opening.

Furthermore, an elastic washer is sandwiched between the fixed base and the pressure plate, and the elastic washer is embedded in the fixed base.

Further, the fan body includes a casing, a fan blade, a motor, a control module and a power supply module located in the casing. The fan blade is placed on the output end of the motor, the motor is connected to the power supply module, and the control module is on A control button is formed on the housing, and the control module is signally connected to the power supply module.

Further, a power cord extends outside the fan body, and a plurality of cord clips are provided on the rod body along the axial direction, and the power cord is limited in the cord clips.

Furthermore, a guide portion is provided in the pressure plate, and a guide channel is provided on the rod body for the guide portion to pass through. The guide portion is located in the middle of the first pressing surface and the second pressing surface.

Compared with the existing technology, this utility model has the following advantages and beneficial effects: 1. The fan body is arranged on one side of the rod body through an adjustment mechanism, and the fan body slides vertically on the rod body through the sleeve seat, and is connected between the sleeve seat and the pressure plate. The static friction generated by the compression fixes the vertical position of the fan body on the rod body. When it is necessary to adjust the height of the fan body, it is only necessary to drive the transmission rod through the knob to extend toward the side of the fan body, thereby moving the fixed seat away from the pressure plate. The pressing force of the pressure plate and the sleeve on the rod body is canceled, so that the fan body can slide vertically on the rod body with the sleeve and the fixed seat, realizing stepless adjustment of the air outlet height. When the height of the fan body needs to be fixed, just pass The knob drives the transmission rod to move away from the fan body, and the transmission rod drives the fixed seat. The fixed seat and the pressure plate are pressed against each other, causing the pressure plate and the sleeve to re-engage the rod body, thereby fixing the current position of the fan body;

2. By integrating the control module and power supply module on the fan body, interference between the fan body and the pole body during height adjustment is avoided. At the same time, this arrangement allows the power cord to be connected to the fan body without the need to run wires from the pole body. , reducing the manufacturing cost and assembly difficulty of the base and rod body.

Description of the drawings

Figure 1 is a schematic diagram of the overall structure of the utility model;

Figure 2 is a structural schematic diagram of the overall back side of the utility model;

Figure 3 is a cross-sectional view of the adjustment mechanism of the present utility model;

Figure 4 is an exploded view of the adjustment mechanism of the present utility model;

Figure 5 is an exploded view of another embodiment of the adjustment mechanism of the present invention;

Figure 6 is a cross-sectional view of the fan body of the present utility model;

In the picture: 1. Base; 2. Rod body; 2.1. Guide channel; 2.2. Cable clamp; 3. Fan body; 3.1. Housing; 3.2. Fan blades; 3.3. Motor; 3.4. Control module; 3.5. Power supply module; 3.6. Control button; 4. Fixed seat; 5. Sleeve; 5.1. Passage; 5.2. First pressing surface; 5.3. Opening; 5.4. First plane; 6. Pressure plate; 6.1. Guide part; 6.2. Second pressing surface; 6.3, second plane; 7, transmission rod; 7.1, transmission end; 7.2, fixed end; 8, elastic washer; 9, power cord; 10, kit; 11, knob;

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

It should be understood that although the terms upper, middle, lower, top, end, etc. are used herein to describe various elements, these elements are not limited by these terms. These terms are used only to distinguish elements from each other for ease of understanding and are not intended to define any directional or sequential limitations.

As shown in Figures 1-6, a liftable turbofan includes a base 1, a rod 2 provided on the base 1, and a fan body 3 provided on the rod 2. The fan body 3 is adjusted through an The mechanism is fixed on one side of the rod body 2. The base 1 extends toward one side of the fan body 3. The adjustment mechanism is arranged radially along the rod body 2. The adjustment mechanism includes:

Fixed base 4, the fixed base 4 is fixedly connected to the fan body 3,

The sleeve 5 and the pressure plate 6 are arranged oppositely on both sides of the rod body 2. The sleeve 5 is slidably sleeved on the rod body 2. The pressure plate 6 is floatingly arranged in the sleeve 5, and the fixed The seat 4 is used to offset the end face of the pressure plate 6;

There is a through hole for the transmission rod 7 to pass through between the fixed seat 4, the sleeve seat 5 and the pressure plate 6, so that the transmission rod 7 can pass through the fixed seat 4 and the sleeve seat. 5 and the pressure plate 6, the transmission rod 7 is connected to the fixed seat 4, and the transmission rod 7 is used to pull the fixed seat 4 to move relative to the rod body 2, so that the sleeve seat 5 and the pressure plate 6 are tightly held On the rod body 2, or the sleeve 5 and the pressure plate 6 are released;

When the transmission rod 7 pulls the fixed seat 4 close to the rod body 2, and the fixed seat 4 pushes the pressure plate 6 to press the rod body 2 so that the fan body remains in the current vertical position; the transmission rod 7 pulls the The fixing seat 4 is away from the rod body 2 , and the pressure plate 6 and the rod body 2 are released from the interference fit, so that the fan body slides vertically along the rod body 2 .

Through this kind of adjustment mechanism, the fan body is arranged on one side of the rod body 2 through the adjustment mechanism. The fan body slides vertically on the rod body 2 through the sleeve 5. The static friction generated by the compression between the sleeve 5 and the pressure plate 6 realizes the fan operation. The vertical position of the main body is fixed on the rod body 2, thereby realizing stepless adjustment of the fan main body.

As an embodiment of pulling the fixed base 4 to the transmission rod 7, the transmission rod 7 includes a fixed end 7.2 connected to the fixed base 4, and a transmission end 7.1 extending out of the sleeve 5. The transmission end 7.1 The sleeve is equipped with a knob 11. The end face of the knob 11 is always in contact with the end face of the sleeve 5. There is a thread between the knob 11 and the transmission end 7.1. The transmission rod 7 rotates with the knob 11 and drives the fixed seat 4. move.

As an option, the fixed end 7.2 cooperates with the fixed base 4 in such a manner that the end faces of the rod body 2 in the radial direction are offset.

As shown in Figure 4, as an embodiment of the cooperation between the knob 11 and the transmission rod 7, the knob 11 is embedded with a set 10, and the set 10 is provided with a first tooth portion arranged along its axial direction. The first tooth portion cooperates with the knob 11. The inner wall of the set 10 is provided with internal threads. The transmission end 7.1 of the transmission rod 7 is provided with external threads. As the knob 11 rotates, the transmission rod 7 can be pulled. The fixed base 4 moves closer to or farther away from the rod body 2, so that the pressure plate 6 can grasp and disengage the rod body 2.

During operation, as the knob rotates, the transmission rod moves in the radial direction of the rod body between the sleeve seat and the pressure plate.

In this embodiment, when the knob 11 is a plastic part, the sleeve 10 and the transmission rod 7 are selected as metal parts.

As an explanation for the height adjustment of the fan body on the rod body 2, the rod body 2 is provided with a guide channel 2.1 arranged in the axial direction, and the pressure plate 6 is provided with a guide portion that penetrates the guide channel 2.1. 6.1, the transmission rod 7 passes through the guide channel 2.1 along the radial direction of the rod body 2 and is connected to the fixed seat 4.

Specifically, the guide portions 6.1 are arranged at the upper and lower ends of the pressure plate 6. One of the guide portions 6.1 corresponds to the fan body at the highest vertical position, and the other guide portion 6.1 corresponds to the fan body at the lowest vertical position.

As an embodiment of the cooperation between the pressure plate 6 and the sleeve 5, the sleeve 5 has an opening 5.3 toward one side of the fan body, and the pressure plate 6 is placed in the sleeve 5 through the opening 5.3. The pressure plate 6 It is at least partially inserted into the opening 5.3.

Specifically, the rod body can be selected as a cylinder, the sleeve 5 is provided with a first pressing surface 5.2 that matches the profile of the rod body 2, and the pressure plate 6 is provided with a second pressing surface that matches the profile of the rod body 2. The first pressing surface 5.2 and the second pressing surface 6.2 are arranged oppositely. The first pressing surface 5.2 is enclosed on the 2 peripheral sides of the rod body. The second pressing surface 6.2 follows the pressure plate 6 Floatingly arranged on one side of the rod body 2, the second pressing surface 6.2 is arranged in an incomplete circle, the pressure plate 6 is provided with a second flat surface 6.3 on both sides of the second pressing surface 6.2, and the sleeve 5 There is a first flat surface 5.4 corresponding to the second flat surface 6.3, and a floating space is formed between the first flat surface 5.4 and the second flat surface 6.3, so that the pressure plate 6 can slide relative to the sleeve 5.

Specifically, the guide portion is located in the middle of the first pressing surface and the second pressing surface to improve the fit between the pressure plate and the rod body.

As shown in Figure 5, in other embodiments, an elastic washer 8 is sandwiched between the fixed base 4 and the pressure plate 6. The elastic washer 8 is embedded in the fixed base 4. The elastic washer 8 is used. It is extruded and matched with the pressure plate 6, thereby further strengthening the interference state between the fixed seat 4 and the pressure plate 6, ensuring the pressing force of the pressure plate 6 on the rod body 2, and improving the stability of the fan body on the rod body 2.

As shown in Figure 6, in other embodiments, the fan body includes a casing 3.1, a fan blade 3.2, a motor 3.3, a control module 3.4 and a power supply module 3.5 located in the casing 3.1. On the output end of the motor 3.3, the motor 3.3 is connected to the power supply module 3.5. The control module 3.4 is formed with a control button 3.6 on the housing 3.1. The control module 3.4 is signally connected to the power supply module 3.5, so that the control of the fan body is controlled. The controls act on the housing 3.1, so that the power cord 9 can be extended outside the fan body, and the power cord 9 is connected to the power supply module 3.5.

In addition, to provide position fixation for the power cord 9, a plurality of wire clips 2.2 are provided on the rod body 2 along the axial direction, and the power cord 9 is limited within the wire clips 2.2.

Through the above improvements, compared with arranging the control module 3.4 on the pole body 2 or the base 1, this implementation can avoid interference between the fan body and the pole body 2 during height adjustment. At the same time, this arrangement allows the power cord 9 to be It can be connected to the fan body without routing wires from the rod body 2, which reduces the manufacturing cost and assembly difficulty of the base 1 and the rod body 2.

working principle:

When it is necessary to adjust the height of the fan body, it is only necessary to drive the transmission rod 7 through the knob 11 to extend toward the side of the fan body, thereby moving the fixed base 4 away from the pressure plate 6 and canceling the pressing of the pressure plate 6 and the sleeve 5 on the rod body 2 The force allows the fan body to slide vertically on the rod body 2 along with the sleeve base 5 and the fixed base 4 to achieve stepless adjustment of the air outlet height;

When it is necessary to fix the height of the fan body, it is only necessary to use the knob 11 to drive the transmission rod 7 to move away from the side of the fan body. The transmission rod 7 can drive the fixed base 4, and the fixed base 4 and the pressure plate 6 are pressed against each other, thereby causing the pressure plate 6 to Re-engage the rod 2 with the sleeve 5 to fix the current position of the fan body;

When you need to adjust the angle of the fan body, you only need to use the knob 11 to drive the pressure plate 6 and the rod 2 to release the offset, and the fan body can adjust the angle manually. When the fan body reaches the desired angle, you only need to drive the pressure plate again through the knob 11 6. Hold the rod body 2 tightly again to complete the adjustment of the air outlet angle.

This specific embodiment is only an explanation of the present utility model, and it is not a limitation of the present utility model. Those skilled in the art can make modifications to this embodiment without creative contribution as needed after reading this description. However, as long as the present utility model is used, All new types of patents are protected by patent law within the scope of their claims.

Claims

A liftable turbofan includes a base (1), a rod (2) provided on the base (1), and a fan body (3) provided on the rod (2), characterized in that: The fan body (3) is fixed to one side of the rod body (2) through an adjustment mechanism, which is arranged radially along the rod body (2). The adjustment mechanism includes: a fixed seat (4), and the fixed seat (4) Fixedly connected to the fan body (3),

The sleeve seat (5) and the pressure plate (6) are arranged oppositely on both sides of the rod body (2). The sleeve seat (5) is provided with a through hole (5.1) that matches the outer diameter of the rod body (2), so The pressure plate (6) is floatingly arranged in the sleeve (5), and the fixed seat (4) and the end surface of the pressure plate (6) are offset;

Transmission rod (7), the transmission rod (7) is passed between the fixed seat (4), the sleeve seat (5) and the pressure plate (6), and the transmission rod (7) is connected to the fixed seat (4) And pull the fixed seat (4) to move relative to the rod body (2);

The transmission rod (7) pulls the fixing seat (4) close to the rod body (2), and the fixing seat (4) pushes the pressure plate (6) to press the rod body (2) so that the fan body remains in place. The current vertical position; the transmission rod (7) pulls the fixed seat (4) away from the rod body (2), and the pressure plate (6) and the rod body (2) are released from the offset fit, so that the fan body moves along the rod body (2) 2) Slide vertically.
A liftable turbofan according to claim 1, characterized in that: the transmission rod (7) includes a fixed end (7.2) connected to the fixed base (4), and extends out of the sleeve base (5) The outer transmission end (7.1) is provided with a knob (11), and a thread is provided between the knob (11) and the transmission end (7.1). The transmission rod (7) then The knob (11) rotates and drives the fixed base (4) to move.
A liftable turbofan according to claim 1, characterized in that: the rod body (2) is provided with a guide channel (2.1) arranged in the axial direction, and the pressure plate (6) is provided with a through hole. The guide part (6.1) is provided in the guide channel (2.1), and the transmission rod (7) passes through the guide channel (2.1) in the radial direction of the rod body (2) and is connected to the fixed seat (4).
A liftable turbofan according to claim 3, characterized in that: the guide parts (6.1) are arranged at the upper and lower ends of the pressure plate (6), and one of the guide parts (6.1) corresponds to the highest position of the fan body. In the vertical position, the other guide part (6.1) corresponds to the fan body in the lowest vertical position.
A liftable turbofan according to claim 1, characterized in that: the sleeve (5) is provided with a first pressing surface (5.2) matching the contour of the rod body (2), and the pressure plate (6) is provided with a second pressing surface (6.2) that matches the contour of the rod body (2), and the first pressing surface (5.2) is arranged opposite to the second pressing surface (6.2). The tight surface (5.2) is enclosed around the circumferential side of the rod body (2), and the second pressing surface (6.2) is floatingly arranged on one side of the rod body (2) along with the pressure plate (6).
A liftable turbofan according to claim 1, characterized in that the sleeve (5) has an opening (5.3) toward one side of the fan body, and the pressure plate (6) is inserted through the opening (5.3). In the sleeve (5), the pressure plate (6) is at least partially inserted into the opening (5.3).
A liftable turbofan according to claim 1, characterized in that: an elastic washer (8) is sandwiched between the fixed seat (4) and the pressure plate (6), and the elastic washer (8) Embedded in the fixed seat (4).
A liftable turbofan according to claim 1, characterized in that: the fan body includes a casing (3.1), a fan blade (3.2), a motor (3.3), and Control module (3.4) and power supply module (3.5), the fan blade (3.2) is placed on the output end of the motor (3.3), the motor (3.3) is connected to the power supply module (3.5), the control module (3.4) A control button (3.6) is formed on the housing (3.1), and the control module (3.4) is signally connected to the power supply module (3.5).
A liftable turbofan according to claim 1, characterized in that: a power cord (9) extends outside the fan body, and a plurality of cord clamps (2) are provided along the axial direction on the rod body (2). 2.2), the power cord (9) is limited in the wire clip (2.2).
A liftable turbofan according to claim 5, characterized in that: the pressure plate is provided with a guide portion, the rod body is provided with a guide channel for the guide portion to pass through, and the guide portion is located at the The middle part of the first pressing surface and the second pressing surface.