Convertible vertical fan

Abstract

A convertible vertical fan comprises a main machine, a base and a supporting column, the lower end of the supporting column is inserted into the base to be fixed, the main machine is detachably installed at the upper end of the supporting column, a detachable small base is contained in the base, and a button capable of locking or unlocking the small base is arranged on the base. The upper end of the small base is convexly provided with a positioning sleeve which is matched with the main machine to be spliced and assembled into the desk fan. The host and the supporting column are detachable, the small base is arranged in the base, the host can be installed on the supporting column to form a vertical fan and can also be installed on the small base to form a desk fan, and the use requirements of different scenes are met; the small base can be drawn out of the base only by pressing the button, the host and the supporting column or the small base are very convenient to assemble, positioning can be achieved only by inserting, and the multifunctional fan is reasonable and compact in structure, rapid to disassemble and assemble, capable of being used as a vertical fan and a desk fan, flexible and convenient to use, small in size after being disassembled and convenient to store and carry.

Description

Technical Field

[0001] The invention belongs to the technical field of household appliances and relates to a vertical fan. Background Art

[0002] A fan is a household appliance that uses an electric motor to drive the blades to rotate to accelerate the circulation of air. It is mainly used for cooling and circulating air. As the main heatstroke prevention and cooling appliance in summer, fans are widely used in homes, classrooms, offices, shops, hospitals, hotels and other places. The existing types of household fans mainly include standing fans, table fans and ceiling fans. Since table fans and standing fans are of different heights and are placed in different places for use, it is often necessary to configure both in daily households, which will take up more storage space. At present, there are also many liftable standing fans that can easily adjust the height, but due to their heavy weight and relatively high height, they cannot be used as table fans. In addition, most of the existing standing fans cannot be easily disassembled, which is not conducive to storage and carrying.

[0003] For example, the Chinese patent "A liftable vertical fan" with patent number CN202323104760.0 includes a base, a guide sleeve is provided on the base, a telescopic rod is slidably connected in the guide sleeve, a motor is provided at the upper end of the telescopic rod, and the fan blades are connected to the output shaft of the motor; a plurality of positioning grooves are provided on one side of the telescopic rod, and the positioning grooves are arranged in sequence along the axial direction of the telescopic rod; an actuator is provided on the outer side of the guide sleeve, and a movable lock tongue is connected to the actuator, and the lock tongue cooperates with the positioning groove on the telescopic rod; a guide groove corresponding to the lock tongue is provided on the guide sleeve, and the lock tongue is slidably connected in the guide groove; a pedal control device for controlling the movement of the lock tongue is provided on the base. The vertical fan can be adjusted in height, but it cannot be used as a table fan either. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a convertible standing fan with reasonable structural design, convenient disassembly and assembly, and flexible use, which can be used as a standing fan and can also be converted into a table fan.

[0005] The technical solution adopted by the present invention to solve the above technical problems is: a convertible vertical fan, including a main unit, a base and a support column, characterized in that: the lower end of the support column is inserted and fixed on the base, the main unit is detachably mounted on the upper end of the support column, a detachable small base is accommodated in the base, a button for locking or unlocking the small base is provided on the base, and a positioning sleeve is convexly provided on the upper end of the small base for plugging and assembling with the main unit to form a table fan.

[0006] As an improvement, a cavity is provided in the base for inserting the small base, and a mounting opening is provided on the side of the base for inserting the small base. A boss is radially formed at the upper end of the base corresponding to the position where the positioning sleeve of the small base is inserted, and a mounting hole is provided on the boss for installing the button. The button can be vertically installed in the mounting hole with upper and lower limit movements. The button is connected with an upwardly protruding buckle, and a corresponding slot is recessed at the bottom of the small base. The small base is inserted into the base and positioned through the cooperation of the slot and the buckle. A first spring is supported between the bottom of the button and the inner wall of the base, so that the button has a tendency to always pop up and lock the buckle and the slot.

[0007] Furthermore, the base is disc-shaped, and the mounting opening is opened on the rear side of the base. The small base is a U-shaped structure with an open front end. The rear end surface of the small base is an arc shape corresponding to the rear opening of the base. After the small base is inserted into the base and positioned, the rear end surface is basically flush with the base.

[0008] Furthermore, the positioning sleeve is convexly arranged on the upper end surface of the small base, close to the bottom middle position of the U-shaped opening of the small base, and a top block is provided in the cavity of the base to abut against the front end of the small base. A second spring is supported between the top block and the inner wall of the base, so that the top block has a tendency to always move backward to push the small base out of the base.

[0009] Furthermore, a positioning hole for inserting and positioning the lower end of the support column is recessed at the boss of the base corresponding to the center position of the base, and the lower end of the support column is inserted into the positioning hole and positioned with the base through size matching.

[0010] Furthermore, a connecting sleeve is fixedly sleeved on the upper end of the support column, a connecting cylinder is protruding downward at the rear end of the host, the lower end of the connecting cylinder is formed as a connecting section that cooperates with the connecting sleeve, a retractable host button is installed on the rear side of the connecting section, and a button hole that cooperates with the host button is opened on the rear side wall of the connecting sleeve. The host is inserted into the connecting sleeve through the connecting section and locked by the host button cooperating with the button hole. A third spring is supported between the inner end of the host button and the inner wall of the connecting section, so that the host button has a tendency to always pop outward.

[0011] Furthermore, the connecting sleeve and the supporting column are an integrated part, and a shaking head mechanism is also installed in the connecting cylinder of the main machine.

[0012] Finally, the inner diameter of the positioning sleeve of the small base is consistent with the connecting sleeve, and a button hole is opened on the rear side wall of the positioning sleeve to cooperate with the host button. The host is inserted into the positioning sleeve through the connecting section of the connecting cylinder and positioned by the host button cooperating with the button hole.

[0013] Compared with the prior art, the advantages of the present invention are: the main unit and the support column are detachable, a small base is provided inside the base, the main unit can be installed on the support column to form a vertical fan, and can also be installed on the small base to form a table fan, meeting the use needs of different scenes; the small base can be pulled out of the base by simply pressing a button, and the main unit and the support column or the small base are very convenient to assemble, and can be positioned by simply plugging. The present invention has a reasonable and compact structure, is quick to disassemble and assemble, can be used as a vertical fan, and can also be used as a table fan, is flexible and convenient to use, and has a small volume after disassembly, which is convenient for storage and carrying. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of an embodiment of the present invention;

[0015] Figure 2 A longitudinal cross-sectional view of an embodiment of the present invention;

[0016] Figure 3 for Figure 1 Exploded diagram of

[0017] Figure 4(a) to Figure 4(b) Assembly drawing of the main unit and small base to form a table fan;

[0018] Figure 5(1) to Figure 5(3) Schematic diagram of the small base being pulled out from the base. DETAILED DESCRIPTION

[0019] The present invention is further described in detail below with reference to the accompanying drawings.

[0020] like Figures 1 to 5 (3) As shown, a convertible standing fan comprises a main unit 1, a base 2, a small base 4 and a support column 3. The lower end of the support column 3 is inserted and fixed on the base 2. The main unit 1 is detachably mounted on the upper end of the support column 3. The small base 4 is detachably arranged in the base 2. A button 6 for locking or unlocking the small base 4 is provided on the base 2. A positioning sleeve 41 is convexly provided on the upper end of the small base 4 for being plugged in and assembled with the main unit 1 to form a table fan.

[0021] The specific structure is as follows: the base 2 is disc-shaped, a cavity 23 for the small base 4 to be placed is provided in the base 2, a mounting opening 21 for the small base 4 to be inserted is provided on the rear side of the base 2, a rectangular boss 22 is radially formed at the upper end of the base 2 corresponding to the position where the positioning sleeve 41 of the small base 4 is inserted, a mounting hole for the button 6 to be installed is provided on the rectangular boss 22, the button 6 can be vertically installed in the mounting hole with upper and lower limit movement, the bottom of the button 6 extends horizontally and forms an upwardly convex buckle 61 at the end, and the small base 4 is at the front end The small base 4 has an open U-shaped structure, and the rear end face of the small base 4 is an arc shape corresponding to the rear opening of the base 2. The bottom of the small base 4 is recessed with a corresponding card slot 43. The small base 4 is inserted into the base 2 and positioned by the card slot 43 and the buckle 61. A first spring 60 is supported between the bottom of the button 6 and the inner wall of the base 2, so that the button 6 has a tendency to always pop up and lock the buckle 61 with the card slot 43. After the small base 4 is inserted into the base 2 and positioned, the rear end face and the base 2 are basically smoothly transitioned and are roughly flush.

[0022] The positioning sleeve 41 is protruded from the upper end surface of the small base 4, near the bottom middle position of the U-shaped opening of the small base 4, and a top block 7 is provided in the cavity 23 of the base 2 to abut against the front end of the small base 4. A second spring 70 is supported between the top block 7 and the inner wall of the base 2, so that the top block 7 has a tendency to always move backward to push the small base 4 out of the base 2. When the button 6 is pressed, the buckle 61 disengages from the slot 43, and the small base 4 is pushed out of the base 2 under the action of the top block 7, which is convenient for assembly and disassembly.

[0023] A positioning hole for inserting and positioning the lower end of the support column 3 is recessed at the rectangular boss 22 of the base 2 corresponding to the center position of the base 2. The support column 3 is a hollow column, and the lower end of the support column 3 is a reduced diameter section 31 corresponding to the positioning hole. The lower end of the support column 3 is inserted into the positioning hole and positioned with the base 2 through size matching. A connecting sleeve 32 is sleeved and fixed at the upper end of the support column 3. A connecting cylinder 11 is protruded downward at the rear end of the host 1. The lower end of the connecting cylinder 11 is formed into a reduced diameter connecting section 12 that matches the connecting sleeve 32. A retractable host button 5 is installed on the rear side of the connecting section 12. A button hole 33 that matches the host button 5 is opened on the rear side wall of the connecting sleeve 32. The host 1 is inserted into the connecting sleeve 32 through the connecting section 12 and locked by the host button 5 matching the button hole 33. A third spring 50 is supported between the inner end of the host button 5 and the inner wall of the connecting section 12, so that the host button 5 has a tendency to always pop outward. The connecting sleeve 32 of this embodiment is an integral part with the supporting column 3 , and an oscillating mechanism 8 is also installed in the connecting cylinder 11 of the main machine 1 .

[0024] The inner diameter of the positioning sleeve 41 of the small base 4 is consistent with the connecting sleeve 32, and the rear side wall of the positioning sleeve 41 is provided with a button hole 42 that cooperates with the host button 5. The host 1 is inserted into the positioning sleeve 41 through the connecting section 12 of the connecting cylinder 11, and is positioned by the host button 5 cooperating with the button hole 42.

[0025] When the standing fan needs to be converted into a table fan, the button 6 is first pressed to release the buckle 61, and the top block 7 pushes out the small base 4 hidden in the base 2, and the small base 4 is pulled out. Figure 5(1) to Figure 5(3) Then press the host button 5, pull the host 1 out from the support column 3, and insert the host 1 into the positioning sleeve 41 of the small base 4, such as Figure 4(a) to Figure 4(b) , the assembly is completed.

[0026] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A convertible vertical fan, comprising a main unit, a base and a support column, characterized in that: The lower end of the support column is inserted and fixed on the base, and the main unit is detachably mounted on the upper end of the support column. A detachable small base is accommodated in the base, and a button for locking or unlocking the small base is provided on the base. A positioning sleeve is convexly provided on the upper end of the small base for plugging and assembling with the main unit to form a table fan.

2. The convertible vertical fan according to claim 1, characterized in that: The base is provided with a cavity for the small base to be placed in, and the side of the base is provided with an installation opening for the small base to be inserted. A boss is radially formed at the upper end of the base corresponding to the position where the positioning sleeve of the small base is inserted, and a mounting hole for the button to be installed is provided on the boss. The button can be vertically installed in the mounting hole with upper and lower limit movements. The button is connected with an upwardly protruding buckle, and the bottom of the small base is recessed with a corresponding slot. The small base is inserted into the base and positioned by the cooperation of the slot and the buckle. A first spring is supported between the bottom of the button and the inner wall of the base, so that the button has a tendency to always pop up and lock the buckle and the slot.

3. The convertible vertical fan according to claim 2, characterized in that: The base is disc-shaped, with a notch on the rear side of the base. The small base is a U-shaped structure with an open front end. The rear end face of the small base is an arc shape corresponding to the rear mounting opening of the base. After the small base is inserted into the base and positioned, the rear end face is basically flush with the base.

4. The convertible vertical fan according to claim 3, characterized in that: The positioning sleeve is convexly arranged on the upper end surface of the small base, near the bottom middle position of the U-shaped opening of the small base, and a top block is arranged in the cavity of the base to abut against the front end of the small base. A second spring is supported between the top block and the inner wall of the base, so that the top block has a tendency to always move backwards to push the small base out of the base.

5. The convertible vertical fan according to claim 4, characterized in that: A positioning hole for inserting and positioning the lower end of the support column is recessed at the boss of the base corresponding to the center position of the base, and the lower end of the support column is inserted into the positioning hole and positioned with the base through size matching.

6. The convertible vertical fan according to any one of claims 1 to 5, characterized in that: A connecting sleeve is sleeved and fixed on the upper end of the support column, and a connecting cylinder is protruding downward at the rear end of the host. The lower end of the connecting cylinder is formed as a connecting section that cooperates with the connecting sleeve. A retractable host button is installed on the rear side of the connecting section. A button hole that cooperates with the host button is opened on the rear side wall of the connecting sleeve. The host is inserted into the connecting sleeve through the connecting section and locked by the host button and the button hole. A third spring is supported between the inner end of the host button and the inner wall of the connecting section, so that the host button has a tendency to always pop outward.

7. The convertible vertical fan according to claim 6, characterized in that: The connecting sleeve and the supporting column are an integrated part, and a shaking mechanism is also installed in the connecting cylinder of the main machine.

8. The vertical fan according to claim 6, characterized in that: The inner diameter of the positioning sleeve of the small base is consistent with the connecting sleeve, and a button hole is opened on the rear side wall of the positioning sleeve to cooperate with the host button. The host is inserted into the positioning sleeve through the connecting section of the connecting cylinder and positioned by the host button cooperating with the button hole.

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