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, and positioning can be achieved only by inserting. The detachable fan is reasonable and compact in structure, rapid to disassemble and assemble, flexible and convenient to use, small in size after being disassembled and convenient to store and carry, and can be used as a vertical fan and a desk fan.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of household appliances, and relates to a vertical fan. BACKGROUND

[0002] The fan is a kind of household appliance using motor to drive fan blade rotation to accelerate air circulation, mainly used for cooling and air circulation. As the main cooling appliance in summer, the fan is widely used in family, classroom, office, shop, hospital and hotel. The existing household fan mainly includes vertical fan, table fan and ceiling fan. Since the table fan and vertical fan have different heights, they are placed in different places, and in daily life, both of them need to be configured, which occupies a lot of storage space. At present, there are many vertical fans that can be lifted, which can conveniently adjust the height, but due to the large weight and relatively high height, they cannot be used as table fans. In addition, the existing vertical fan cannot be conveniently disassembled, which is not conducive to storage and carrying.

[0003] For example, the Chinese patent No. CN202323104760.0 "Vertical fan that can be lifted" includes a base, a guide sleeve is arranged on the base, a telescopic rod is slidably connected in the guide sleeve, a motor is arranged at the upper end of the telescopic rod, and a fan blade is connected to the output shaft of the motor. A plurality of positioning grooves are arranged on one side of the telescopic rod and arranged along the axial direction of the telescopic rod. An execution device is arranged on the outside of the guide sleeve, and a movable locking tongue is connected to the execution device. The locking tongue is matched with the positioning grooves on the telescopic rod. A guide groove corresponding to the locking tongue is arranged on the guide sleeve, and the locking tongue is slidably connected in the guide groove. A stepping control device for controlling the movement of the locking tongue is arranged on the base. The vertical fan can adjust the height, but it cannot be used as a table fan. SUMMARY

[0004] The utility model solves the technical problem in the prior art and provides a vertical fan that can be transformed, which has reasonable structure design, is convenient to disassemble and assemble, and is flexible to use. The vertical fan can be used as a vertical fan and can be transformed into a table fan.

[0005] The utility model adopts the technical scheme to solve the above technical problem: a vertical fan that can be transformed, comprising a host computer, a base and a support column, characterized in that: the lower end of the support column is inserted into the base and fixed, the host computer is detachably mounted at the upper end of the support column, the base contains a detachable small base, the base is provided with a button for locking or unlocking the small base, and the upper end of the small base is provided with a positioning sleeve for assembling the host computer into a table fan.

[0006] As an improvement, the base is provided with a cavity for inserting the small base, the side of the base is provided with an installation opening for inserting the small base, the upper end of the base is radially formed with a boss corresponding to the position of the positioning sleeve of the small base, the boss is provided with an installation hole for installing a button, the button is vertically installed in the installation hole and can be limitedly moved up and down, the button is connected with a buckle protruding upward, the bottom of the small base is concave with a corresponding clamping groove, the small base is inserted into the base and positioned through the cooperation of the clamping groove and the buckle, and the 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 clamping groove.

[0007] Further, the base is disc-shaped, the installation opening is provided on the rear side of the base, the small base is U-shaped structure with an open front end, the rear end face of the small base is a circular arc corresponding to the opening of the rear side of the base, and the rear end face of the small base is basically flush with the base after being inserted and positioned in the base.

[0008] Further, the positioning sleeve is protruded on the upper end face of the small base, close to the middle position of the bottom of the U-shaped opening of the small base, and the top block abutting against the front end of the small base is arranged in the cavity of the base, and the 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 and push the small base out of the base.

[0009] Further, the boss of the base is concave with a positioning hole corresponding to the center position of the base, the lower end of the supporting column is inserted and positioned in the positioning hole through size cooperation and positioned with the base.

[0010] Further, the upper end of the supporting column is sleeved and fixed with a connecting sleeve, the rear end of the main machine is downwardly protruded with a connecting barrel, the lower end of the connecting barrel is formed with a connecting section matched with the connecting sleeve, the rear side of the connecting section is provided with a telescopic main machine button, the rear side wall of the connecting sleeve is provided with a button hole matched with the main machine button, the main machine is inserted into the connecting sleeve through the connecting section and locked through the cooperation of the main machine button and the button hole, and the third spring is supported between the inner end of the main machine button and the inner wall of the connecting section, so that the main machine button has a tendency to always pop out.

[0011] Further, the connecting sleeve and the supporting column are an integral piece, and the connecting barrel of the main machine is further provided with a swing mechanism.

[0012] Finally, the inner diameter of the positioning sleeve of the small base is consistent with the connecting sleeve, the rear side wall of the positioning sleeve is provided with a button hole matched with the main machine button, and the main machine is inserted into the positioning sleeve through the connecting section of the connecting barrel and positioned through the cooperation of the main machine button and the button hole.

[0013] Compared with the prior art, the utility model has the advantages that the host and the supporting column can be detached, a small base is arranged in the base, the host can be installed on the supporting column to form a stand fan, and can also be installed on the small base to form a table fan, thereby meeting the use needs of different scenes; the small base can be pulled out from the base only by pressing a button, the host and the supporting column or the small base are very convenient to assemble, and can be positioned only by plugging. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structure schematic view of the utility model embodiment;

[0015] Figure 2 It is a longitudinal section view of the utility model embodiment;

[0016] Figure 3 It is Figure 1 an exploded view;

[0017] Figures 4(a) to 4(b) It is an assembly drawing of the host and the small base assembled into a table fan;

[0018] Figures 5(1) to 5(3) It is a principle drawing of the small base pulled out from the base. DETAILED DESCRIPTION

[0019] The utility model will be further described in detail in combination with the drawings.

[0020] As Figures 1 to 5(3) shown, a changeable stand fan, comprising a host 1, a base 2, a small base 4 and a supporting column 3, the lower end of the supporting column 3 is inserted on the base 2 and fixed, the host 1 is detachably installed on the upper end of the supporting column 3, the small base 4 is detachably arranged in the base 2, the base 2 is provided with a button 6 that can lock or unlock the small base 4, and the upper end of the small base 4 is protrudingly provided with a positioning sleeve 41 that is matched with the host 1 and plugged to assemble into a table fan.

[0021] The specific structure is that the base 2 is discoid, the base 2 is internally provided with a cavity 23 for placing the small base 4, the rear side of the base 2 is provided with an installation opening 21 for inserting the small base 4, the upper end of the base 2 is radially formed with a rectangular boss 22 corresponding to the position of inserting the positioning sleeve 41 of the small base 4, the rectangular boss 22 is provided with an installation hole for installing the button 6, the button 6 is vertically installed in the installation hole in a vertically limited movable manner, the bottom of the button 6 horizontally extends and forms a buckle 61 protruding upward at the end, the small base 4 is of a U-shaped structure with an open front end, the rear end face of the small base 4 is arc-shaped corresponding to the rear side opening of the base 2, the bottom of the small base 4 is concavely provided with a corresponding clamping groove 43, the small base 4 is inserted into the base 2 and positioned by the cooperation of the clamping groove 43 and the buckle 61, the bottom of the button 6 is supported by a first spring 60 between the inner wall of the base 2, so that the button 6 has a tendency to always pop up and lock the buckle 61 and the clamping groove 43, and the rear end face of the small base 4 is basically smoothly transitioned with the base 2 after being inserted and positioned in the base 2.

[0022] The positioning sleeve 41 is protruded on the upper end face of the small base 4 and close to the middle position of the bottom of the U-shaped opening of the small base 4, the cavity 23 of the base 2 is provided with a top block 7 abutting against the front end of the small base 4, the top block 7 is supported by a second spring 70 between the inner wall of the base 2, so that the top block 7 has a tendency to always move backward and push the small base 4 out of the base 2, when the button 6 is pressed, the buckle 61 is separated from the clamping groove 43, the small base 4 is pushed out of the base 2 by the action of the top block 7, and the small base 4 is convenient to assemble and disassemble.

[0023] The rectangular boss 22 of the base 2 is concavely provided with a positioning hole corresponding to the center position of the base 2 for inserting and positioning the lower end of the supporting column 3, the supporting column 3 is a hollow column, the lower end of the supporting column 3 is a reduced diameter section 31 corresponding to the positioning hole, and the lower end of the supporting column 3 is inserted into the positioning hole and positioned with the base 2 by size cooperation. A connecting sleeve 32 is fixedly sleeved on the upper end of the supporting column 3, the rear end of the main machine 1 is downwardly protruded with a connecting cylinder body 11, the lower end of the connecting cylinder body 11 is formed into a connecting section 12 of a reduced diameter matched with the connecting sleeve 32, a retractable main machine button 5 is installed on the rear side of the connecting section 12, a button hole 33 matched with the main machine button 5 is formed on the rear side wall of the connecting sleeve 32, the main machine 1 is inserted into the connecting sleeve 32 through the connecting section 12 and locked through the cooperation of the main machine button 5 and the button hole 33, and a third spring 50 is supported between the inner end of the main machine button 5 and the inner wall of the connecting section 12, so that the main machine button 5 has a tendency to always pop out. The connecting sleeve 32 and the supporting column 3 of the embodiment are an integral piece, and a swing mechanism 8 is further installed in the connecting cylinder body 11 of the main machine 1.

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

[0025] When you need to convert the standing fan into a table fan, first press button 6 to release latch 61. The top block 7 will then push out the small base 4 hidden inside the base 2. Pull out the small base 4, as shown. Figures 5(1) to 5(3) Next, press the main unit button 5, pull the main unit 1 out of the support column 3, and insert the main unit 1 into the positioning sleeve 41 of the small base 4, as follows. Figures 4(a) to 4(b) Assembly can then be completed.

[0026] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A convertible stand fan comprising a main body, a base and a support column, characterized in that: The lower end of the support column is fixedly inserted in the base, the main machine is detachably installed at the upper end of the support column, the base contains a detachable small base, the base is provided with a button for locking or unlocking the small base, and the upper end of the small base is provided with a positioning sleeve for cooperating with the main machine to assemble a table fan.

2. The convertible stand fan of claim 1, wherein: The base is provided with a cavity for inserting the small base, the side of the base is provided with an installation opening for inserting the small base, the upper end of the base is radially formed with a boss corresponding to the position of the positioning sleeve of the small base, the boss is provided with an installation hole for installing the button, the button is vertically installed in the installation hole in a position capable of being limited to move up and down, the button is connected with a buckle protruding upward, the bottom of the small base is recessed with a corresponding clamping groove, the small base is inserted into the base and positioned by the cooperation of the clamping groove and the buckle, and a first spring is arranged between the bottom of the button and the inner wall of the base to make the button have a tendency to always pop up and lock the buckle and the clamping groove.

3. The convertible stand fan of claim 2, wherein: The base is disc-shaped, the notch is arranged on the rear side of the base, the small base is U-shaped structure with an open front end, and the rear end face of the small base is arc-shaped corresponding to the rear side installation 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 stand fan of claim 3, wherein: The positioning sleeve is protruded on the upper end face of the small base and located at the middle position of the bottom of the U-shaped opening of the small base, a top block abutting against the front end of the small base is arranged in the cavity of the base, and a second spring is arranged between the top block and the inner wall of the base to make the top block have a tendency to always move backward and push the small base out of the base.

5. The convertible stand fan of claim 4, wherein: The boss of the base is recessed with a positioning hole corresponding to the center position of the base for inserting and positioning the lower end of the support column, and the lower end of the support column is inserted into the positioning hole and positioned with the base through size cooperation.

6. The convertible stand fan of any of claims 1-5, wherein: The upper end of the support column is sleeved and fixed with a connecting sleeve, the rear end of the main machine is protruded downward with a connecting cylinder body, the lower end of the connecting cylinder body is formed into a connecting section matched with the connecting sleeve, a retractable main machine button is installed on the rear side of the connecting section, a button hole matched with the main machine button is arranged on the rear side wall of the connecting sleeve, the main machine is inserted into the connecting sleeve through the connecting section and locked through the cooperation of the main machine button and the button hole, and a third spring is arranged between the inner end of the main machine button and the inner wall of the connecting section to make the main machine button have a tendency to always pop out.

7. The convertible stand fan of claim 6, wherein: The connecting sleeve and the support column are an integral piece, and a swing mechanism is further installed in the connecting cylinder body of the main machine.

8. The stand fan of claim 6, wherein: The inner diameter of the positioning sleeve of the small base is consistent with the connecting sleeve, the rear side wall of the positioning sleeve is provided with a button hole matched with the main machine button, the main machine is inserted into the positioning sleeve through the connecting section of the connecting cylinder body and positioned through the cooperation of the main machine button and the button hole.

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