Intelligent digital display small fan convenient and fast to use

Abstract

The invention discloses a convenient small fan with an intelligent digital display function, which belongs to the technical field of convenient fans and comprises a motor, an output shaft, a fixed seat and a sliding seat, the output shaft is connected to the motor, a digital display screen is mounted on the surface of the motor, the fixed seat is fixed at one end of the output shaft, and the sliding seat is axially and slidably arranged on the output shaft; a plurality of first connecting rods and second connecting rods are arranged in the circumferential direction of the fixed seat in a staggered mode, the inner ends of the first connecting rods and the second connecting rods on the fixed seat are hinged to the fixed seat, the second connecting rods and the first connecting rods are arranged in the circumferential direction of the sliding seat in a staggered mode, and the inner ends of the first connecting rods and the second connecting rods on the sliding seat are hinged to the sliding seat. The middle parts of the first connecting rod and the second connecting rod on the fixed seat are respectively hinged with the middle parts of the second connecting rod and the first connecting rod on the sliding seat; the outer end of the first connecting rod is fixedly connected with a first pin shaft, and the first pin shaft is hinged to a special-shaped connecting piece. The fan can be folded when not used so as to be convenient to carry.

Description

Technical Field

[0001] The invention belongs to the technical field of portable fans, and in particular relates to a portable small fan with intelligent digital display. Background Art

[0002] In the design of the smart digital display convenient small fan, portability and stability are two important design goals. Users want the fan to be small and light, easy to carry, but at the same time provide enough wind power when in use to provide a better experience. However, there is a contradiction between the two: in pursuit of portability, fans are usually designed to be lighter and have a smaller air supply surface, which may result in the small fan not being able to provide a more comfortable wind power when in use. But if the fan is designed to be too large, it will be inconvenient to carry. Summary of the invention

[0003] In view of this, an object of the present invention is to provide a convenient small fan with intelligent digital display, which can be folded when not in use for easy carrying.

[0004] In order to achieve the above object, the present invention provides the following technical solutions: The present invention discloses a convenient small fan with intelligent digital display, comprising a motor, an output shaft, a fixed seat, and a sliding seat, wherein the output shaft is connected to the motor, a digital display screen is installed on the surface of the motor, the fixed seat is fixed to one end of the output shaft, and the sliding seat is axially slidably arranged on the output shaft; a plurality of first connecting rods and second connecting rods are staggeredly arranged on the circumference of the fixed seat, the inner ends of the first connecting rod and the second connecting rod on the fixed seat are respectively hinged to the fixed seat, the second connecting rod and the first connecting rod are staggeredly arranged on the circumference of the sliding seat, the inner ends of the first connecting rod and the second connecting rod on the sliding seat are respectively hinged to the sliding seat, and the middle parts of the first connecting rod and the second connecting rod on the fixed seat are respectively hinged to the second connecting rod and the middle part of the first connecting rod on the sliding seat; the outer end of the first connecting rod is fixedly connected to the first pin shaft, the first pin shaft is hinged to a special-shaped connecting piece, the special-shaped connecting piece is hinged to the second pin shaft at the same time, the second pin shaft is fixedly connected to a sliding sleeve, two adjacent groups of sliding sleeves are simultaneously slidably sleeved on a cross bar, the cross bar is connected to a blade assembly, and the two ends of the cross bar are respectively connected to supports.

[0005] Furthermore, the blade assembly includes a ball head, outer blades, a guide rod, inner blades, and a locking piece. The ball head is sleeved on the outside of the cross bar, and the ball head is hinged to the outer blades at the same time. The end of the outer blade is fixed with a guide rod, and the guide rod is slidably inserted in a guide hole opened at the end of the inner blade. The blade assembly is fixed to the fixed seat by a locking piece.

[0006] Furthermore, an external thread is provided on the outer side of the guide rod, and the locking member includes a first nut threadedly connected to the guide rod, the first nut is installed between the outer fan blades and the inner fan blades, and the fixed seat and the sliding seat are provided with a slot for limiting the end face of the inner fan blade.

[0007] Furthermore, an angle is formed between the plane where the outer fan blades are located and the plane where the inner fan blades are located.

[0008] Furthermore, the special-shaped connecting piece includes a straight plate and an L plate, one end of the L plate is hinged to the second pin shaft, the other end of the L plate is connected to the straight plate, the end of the straight plate away from the L plate is hinged to the first pin shaft, and an angle is formed between the straight plate and the L plate.

[0009] Furthermore, a retaining ring is fixed between the same group of supports, a sealing ring is fixedly connected to the outer end of the second connecting rod, and multiple groups of sealing rings and retaining rings are combined to form a circular retaining ring.

[0010] Furthermore, a threaded rod is fixed on the sliding seat, a through hole corresponding to the threaded rod is opened on the fixed seat, and a second nut is connected to the outer side of the threaded rod.

[0011] Furthermore, a first rotating ring is rotatably mounted on the end surface of the sliding seat, a second rotating ring is rotatably mounted on the end surface of the motor, and a tension spring is connected between the first rotating ring and the second rotating ring.

[0012] The beneficial effects of the present invention are: The invention discloses a convenient small fan with intelligent digital display, which can realize the folding of the blade assembly, greatly reducing the size of the fan, so that it is convenient to put into a bag or carry with you. When in use, it can be quickly unfolded for easy use. In the unfolded state, the structure of the fan is stable and can withstand vibration during high-speed rotation to avoid tipping or shaking. The digital display screen displays the operating status of the fan in real time, which is convenient for users to monitor and adjust.

[0013] When the sliding seat slides along the output shaft, it drives the first connecting rod and the second connecting rod to fold, so that the blade assembly and the cross bar are folded. The user can unfold or fold the fan with simple operations. The axial sliding design of the sliding seat makes the folding process smooth, and the user only needs to push the sliding seat to complete the operation. The design of the cross bar and the sliding sleeve allows the blade assembly to maintain balance during rotation and reduce vibration.

[0014] Other advantages, objectives and features of the present invention will be described in the following description and will be apparent to those skilled in the art to some extent, or those skilled in the art may be taught from the practice of the present invention. The objectives and other advantages of the present invention may be achieved through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to make the purpose, technical solution and beneficial effects of the present invention clearer, the present invention provides the following drawings for illustration: Figure 1 The structure of the small fan of the present invention is shown in FIG. Figure 1 ; Figure 2 The structure of the small fan of the present invention is shown in FIG. Figure 2 ; Figure 3 A schematic diagram of the folding of the first link and the second link; Figure 4 is a schematic diagram of the first connecting rod and the second connecting rod being unfolded; Figure 5 is a schematic diagram of the structure of a blade assembly; Figure 6 It is a schematic diagram of the structure of a special-shaped connector.

[0016] The markings in the accompanying drawings are as follows: motor 1, output shaft 2, fixed seat 3, sliding seat 4, digital display screen 5, first connecting rod 6, second connecting rod 7, first pin shaft 8, special-shaped connecting piece 9, second pin shaft 10, sliding sleeve 11, cross bar 12, blade assembly 13, support 14, ball head 15, outer fan blade 16, guide rod 17, inner fan blade 18, locking piece 19, slot 20, straight plate 21, L plate 22, retaining ring 23, sealing ring 24, threaded rod 25, through hole 26, second nut 27, first rotating ring 28, second rotating ring 29, tension spring 30. DETAILED DESCRIPTION

[0017] like Figures 1 to 6 As shown, the present invention discloses a convenient small fan with intelligent digital display, including a motor, an output shaft, a fixed seat, and a sliding seat. The output shaft is connected to the motor, and the motor is fixedly mounted on the base. The output shaft extends outward from one side of the output end of the motor. A digital display screen is installed on the surface of the motor. The digital display screen displays the operating status of the fan in real time, which is convenient for users to monitor and adjust. The digital display screen adopts the existing structure. The digital display screen receives display data through the control chip on the circuit board. The battery supplies power to the digital display screen through the power management module on the circuit board to ensure that the voltage and current meet the working requirements of the digital display screen. The circuit board also controls the rotation of the motor. The above devices are all prior art and can be installed on the motor or the base, which can be understood by those skilled in the art.

[0018] The fixed seat is fixed to one end of the output shaft and can rotate with the output end. The sliding seat is axially slidably arranged on the output shaft, and the position can be adjusted by pushing the sliding seat; the fixed seat is staggered with a plurality of first connecting rods and second connecting rods in the circumferential direction, and the first connecting rods and second connecting rods both extend radially outwardly along the fixed seat, and the inner ends of the first connecting rods and second connecting rods on the fixed seat are respectively hinged with the fixed seat, and can deflect the angle.

[0019] Similarly, the sliding seat is circumferentially staggered with a second connecting rod and a first connecting rod, the inner ends of the first connecting rod and the second connecting rod on the sliding seat are respectively hinged to the sliding seat, and the middle parts of the first connecting rod and the second connecting rod on the fixed seat are respectively hinged to the middle parts of the second connecting rod and the first connecting rod on the sliding seat; by staggeredly installing the first connecting rod and the second connecting rod, the center of gravity shift is avoided, the stability of the fan can be provided during operation, and vibration can be reduced.

[0020] The outer end of the first connecting rod is fixedly connected with a first pin shaft, the first pin shaft is perpendicular to the plane where the first connecting rod is located, the first pin shaft is hinged with a special-shaped connecting piece, the special-shaped connecting piece is also hinged with a second pin shaft, the second pin shaft is fixedly connected with a sliding sleeve, two adjacent groups of sliding sleeves are simultaneously slidably sleeved on a crossbar, the crossbar is connected with a blade assembly, and the two ends of the crossbar are respectively connected with supports. The crossbar and the support adopt a detachable connection method, which can facilitate the installation of the device.

[0021] The working principle and process of the device of the present invention are as follows: when the fan needs to be used, the sliding seat is pushed toward one side of the fixed seat to drive the first connecting rod and the second connecting rod to deflect, at which time the angle between the first connecting rod and the second connecting rod becomes smaller, and under the linkage of the special-shaped connecting piece, the cross bar is twisted. When the sliding seat moves to the extreme position close to one side of the fixed seat, each group of cross bars is located in the same plane. At this time, the inner end of the fan assembly is fixed from the upper limit of the sliding seat and the fixed seat to ensure the stable operation of the fan blades.

[0022] When the folding fan is needed, the inner end of the fan assembly is removed from the sliding seat and the fixed seat, and then the sliding seat is pushed away from the fixed seat. At this time, the angle between the first connecting rod and the second connecting rod becomes larger, and the cross bar is twisted in the opposite direction and approaches the input shaft. When the sliding seat moves to the extreme position away from the fixed seat, the first connecting rod, the second connecting rod, the cross bar, and the blade assembly all move closer to the input shaft for easy carrying.

[0023] As a further improvement to the embodiment of the present invention, the motor and the output shaft are detachably connected and matched with a key, so that the fan can be portable in this embodiment.

[0024] In this embodiment, the blade assembly includes a ball head, outer blades, a guide rod, inner blades, and a locking piece. The ball head is sleeved on the outside of the cross bar, and the ball head is hinged to the outer blades at the same time. The end of the outer blade is fixed with a guide rod, and the guide rod is slidably inserted in the guide hole opened at the end of the inner blade. The blade assembly is fixed to the fixed seat by a locking piece. The blade assembly can be adjusted at multiple angles through the ball head to meet the air supply requirements of different scenarios. The blade assembly is fixed to the fixed seat by a locking piece to ensure stability during use. It can withstand the centrifugal force during high-speed rotation to avoid shaking or deformation.

[0025] In this embodiment, an external thread is provided on the outer side of the guide rod, and the locking member includes a first nut threadedly connected to the guide rod, the first nut is installed between the outer fan blade and the inner fan blade, and a card slot for limiting the end surface of the inner fan blade is provided on the fixed seat and the sliding seat. Through the threaded connection and the card slot limiting design, when the fan is in use, the nut presses the inner fan blade against the sliding seat, ensuring that the blade assembly is structurally stable when unfolding and folding, avoiding loosening or falling off, and facilitating users to quickly install and disassemble.

[0026] In this embodiment, an angle is formed between the plane where the outer blades are located and the plane where the inner blades are located. The angle design optimizes the air flow, makes the wind force more concentrated and uniform, improves the air supply efficiency, reduces the noise during operation, and improves the user experience.

[0027] In this embodiment, the special-shaped connector includes a straight plate and an L plate, one end of the L plate is hinged to the second pin, the other end of the L plate is connected to the straight plate, the end of the straight plate away from the L plate is hinged to the first pin, and an angle is formed between the straight plate and the L plate. The angle design of the special-shaped connector facilitates connection and can adapt to the torsion of the crossbar. The shape and thickness of the special-shaped connector can be selected according to needs.

[0028] In this embodiment, a retaining ring is fixed between the same group of supports, a sealing ring is fixedly connected to the outer end of the second connecting rod, and multiple groups of sealing rings and retaining rings are combined to form a circular retaining ring. By providing a retaining ring, the blades can be protected from the outside to prevent the user from being injured when the blades rotate. The retaining ring can be folded together with the connecting rod, without the need for additional installation or disassembly, and the adjustment is more convenient.

[0029] In this embodiment, a threaded rod is fixed on the sliding seat, a through hole corresponding to the threaded rod is opened on the fixing seat, and a second nut is connected to the outer side of the threaded rod. The design of the threaded rod and the second nut makes the connection between the sliding seat and the fixing seat more secure, ensures the stability of the fan when rotating at high speed, and is convenient for users to adjust and maintain.

[0030] In this embodiment, a first rotating ring is rotatably mounted on the end surface of the sliding seat, a second rotating ring is rotatably mounted on the end surface of the motor, and a tension spring is connected between the first rotating ring and the second rotating ring. The tension spring design enables the sliding seat to automatically reset when folding and unfolding, making the operation more convenient, while reducing the user's operating force and improving the user experience.

[0031] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the present invention.

Claims

1. A convenient small fan with intelligent digital display, characterized by: The present invention comprises a motor, an output shaft, a fixed seat and a sliding seat, wherein the output shaft is connected to the motor, a digital display screen is installed on the surface of the motor, the fixed seat is fixed at one end of the output shaft, and the sliding seat is axially slidably arranged on the output shaft; a plurality of first connecting rods and second connecting rods are staggeredly arranged on the fixed seat in a circumferential direction, the inner ends of the first connecting rod and the second connecting rod on the fixed seat are respectively hinged to the fixed seat, the second connecting rod and the first connecting rod are staggeredly arranged on the circumferential direction of the sliding seat, the inner ends of the first connecting rod and the second connecting rod on the sliding seat are respectively hinged to the sliding seat, and the middle parts of the first connecting rod and the second connecting rod on the fixed seat are respectively hinged to the second connecting rod on the sliding seat and the middle part of the first connecting rod; the outer end of the first connecting rod is fixedly connected to the first pin shaft, the first pin shaft is hinged to a special-shaped connecting piece, the special-shaped connecting piece is also hinged to the second pin shaft, the second pin shaft is fixedly connected to a sliding sleeve, two adjacent groups of sliding sleeves are simultaneously slidably sleeved on a cross bar, the cross bar is connected to a blade assembly, and the two ends of the cross bar are respectively connected to supports.

2. The convenient small fan with intelligent digital display according to claim 1 is characterized in that: The blade assembly includes a ball head, outer blades, a guide rod, inner blades, and a locking piece. The ball head is sleeved on the outside of the cross bar and is hinged to the outer blades. A guide rod is fixed to the end of the outer blade, and the guide rod is slidably inserted in a guide hole opened at the end of the inner blade. The blade assembly is fixed to the fixed seat by a locking piece.

3. The convenient small fan with intelligent digital display according to claim 2 is characterized by: The outer side of the guide rod is provided with an external thread, and the locking member includes a first nut threadedly connected to the guide rod, the first nut is installed between the outer fan blades and the inner fan blades, and the fixed seat and the sliding seat are provided with a slot for limiting the end face of the inner fan blade.

4. The convenient small fan with intelligent digital display according to claim 3 is characterized by: An angle is formed between the plane where the outer fan blades are located and the plane where the inner fan blades are located.

5. The portable small fan with intelligent digital display according to claim 4 is characterized in that: The special-shaped connecting piece includes a straight plate and an L plate, one end of the L plate is hinged to the second pin shaft, the other end of the L plate is connected to the straight plate, the end of the straight plate away from the L plate is hinged to the first pin shaft, and an angle is formed between the straight plate and the L plate.

6. The convenient small fan with intelligent digital display according to claim 1 is characterized by: A retaining ring is fixed between the same group of supports, a sealing ring is fixedly connected to the outer end of the second connecting rod, and a plurality of groups of sealing rings and retaining rings are combined to form a circular retaining ring.

7. A convenient small fan with intelligent digital display according to any one of claims 1 to 6, characterized in that: A threaded rod is fixed on the sliding seat, a through hole corresponding to the threaded rod is opened on the fixing seat, and a second nut is connected to the outer side of the threaded rod.

8. The portable small fan with intelligent digital display according to claim 7 is characterized in that: A first rotating ring is rotatably mounted on the end surface of the sliding seat, a second rotating ring is rotatably mounted on the end surface of the motor, and a tension spring is connected between the first rotating ring and the second rotating ring.

Images