Fixing base for handheld fan

Abstract

The utility model discloses a fixing base for a handheld fan. The fixing base comprises a base body. A clamping mechanism is arranged on the lower portion of the interior of the base body, and a positioning assembly is arranged at the bottom end of the handheld handle. The clamping mechanism comprises a cavity formed in the lower portion of the interior of the base body, and a connecting shell is arranged on the upper portion of the interior of the cavity. Wherein the bottom of the connecting shell is rotationally connected with a threaded column, the bottom end of the threaded column is in threaded sliding connection with a threaded sleeve, the bottom end of the threaded sleeve is fixedly connected with a lifting plate, the edge of the outer side of the lifting plate is wrapped with a sealing ring, and the sealing ring is attached to the inner wall of the side of the cavity; the fixing force applied to the base body is directly controlled through the height-adjustable lifting plate, so that the device is more flexible to use, the base body does not need to be pulled by strong force during disassembly, the aging speed of rubber material parts is reduced, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of a handheld fan base, in particular to a fixed base for a handheld fan. Background Art

[0002] The base of an existing handheld fan is generally fixed to the edge of a desktop by a clip or adhered to the desktop by double-sided tape. However, the clip can only fix the fan to the edge of the desktop, and the installation position is limited. After the double-sided tape is installed on the fixed base, the fixed base cannot be moved quickly. After disassembly, double-sided tape will remain on the desktop and the base, affecting the subsequent use of the desktop and the base.

[0003] Publication No. CN210780148U discloses a convenient fixed base for a handheld fan, including a charging base, a rotating shaft is provided at the bottom end of the back of the charging base, fixed side panels are embedded at both ends of the rotating shaft, a fan fixing groove is provided in the middle of the top surface of the charging base, an annular light strip is provided at the outer position of the top surface of the charging base corresponding to the fan fixing groove, a USB interface is provided on one side of the top surface of the fixed side panel, a control switch is embedded on the other side of the top surface of the fixed side panel, a base suction cup is embedded in the middle position of the bottom surface of the charging base, and a side panel suction cup is embedded in the middle position of the back of the fixed side panel; this device can turn on the annular light strip by controlling the switch, so that the annular light strip illuminates the fan fixing groove, and the convenient handheld fan can be accurately embedded in the fan fixing groove at night, which is convenient to use, and the charging base can be freely bent by the rotating shaft, thereby improving the applicability of the charging base, but the patent still has the following problems in actual use:

[0004] The above device is fixed by a base suction cup, which is freer than traditional adhesion and clamping. However, the suction force of an ordinary rubber suction cup is limited, which can easily lead to unstable fixation of the base. Moreover, this type of suction cup needs to be pulled when disassembled. Frequent pulling will accelerate the deformation and aging of the rubber, and eventually impair the fixing function.

[0005] A fixing base for a handheld fan is proposed to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a fixed base for a handheld fan, so as to solve the problem that the above-mentioned device proposed in the above-mentioned background technology is fixed by a base suction cup, which is freer than traditional adhesion and clamping, but the suction force of an ordinary rubber suction cup is limited, which easily leads to unstable fixation of the base, and this suction cup needs to be disassembled by pulling, and frequent pulling will accelerate the deformation and aging of the rubber, and finally impair the fixing function.

[0007] To achieve the above object, the utility model provides the following technical solutions: a fixed base for a handheld fan, comprising a base body, a plug-in cavity is provided on the top of the base body, and a handheld handle is plugged into the plug-in cavity;

[0008] A locking mechanism is provided at the lower part of the base body, and a positioning component is provided at the bottom end of the hand-held handle;

[0009] The locking mechanism comprises a cavity opened at the lower part of the base body, and a connecting shell is provided at the upper part of the cavity;

[0010] Among them, the bottom of the connecting shell is rotatably connected with a threaded column, the bottom end of the threaded column is threadedly slidably connected with a threaded sleeve, the bottom end of the threaded sleeve is fixedly connected with a lifting plate, the outer edge of the lifting plate is wrapped with a sealing ring, and the sealing ring is fitted with the inner wall of the cavity side.

[0011] Preferably, a rubber air ring is fixedly connected to the bottom of the base body, the lifting plate is fixedly connected to the sealing ring, a plurality of telescopic rods are fixedly connected to the top surface of the lifting plate, the telescopic rods are symmetrically distributed, the top ends of the telescopic rods are fixedly connected to the upper inner wall of the cavity, and the connecting shell is fixedly connected to the middle part of the upper inner wall of the cavity.

[0012] Preferably, the top end of the threaded column extends into the interior of the connecting shell and is fixedly connected to a first gear, the side of the first gear is meshingly connected to a second gear, both the first gear and the second gear are bevel gears, and a rotating rod is fixedly connected to the middle of the second gear.

[0013] Preferably, one end of the rotating rod is rotatably connected to the inner wall of the connecting shell, and the other end of the rotating rod rotates through the back side of the connecting shell and is fixedly connected to the knob handle.

[0014] Preferably, the locking mechanism includes a connecting cavity opened on the back side of the middle part of the base body, a spring is installed on the inner wall of the connecting cavity, a movable rod is connected through the middle part of the spring, and the movable rod is slidably connected to the base body.

[0015] Preferably, one end of the movable rod extends into the plug-in cavity and is fixedly connected to a locking block, the other end of the movable rod extends out of the base body and is fixedly connected to a pull ring, one end of the spring is fixedly connected to the pull ring, and the other end of the spring is fixedly connected to the vertical side wall of the connecting cavity.

[0016] Preferably, a avoidance groove is provided at the bottom of the plug-in cavity near the connecting cavity, a barb block is fixedly connected to the bottom of the handle near the avoidance groove, and the bottom end of the barb block is engaged with the locking block.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the fixed base for the handheld fan directly controls the fixing force of the base body through the lifting plate with adjustable height, thereby making the device more flexible to use, and the base body does not need to be pulled forcefully when being disassembled, thereby reducing the aging speed of the rubber material parts and increasing the service life. The specific contents are as follows:

[0018] 1. The second gear is driven to rotate by the rotating rod, so that the first gear drives the threaded column to rotate, and then the threaded sleeve drives the lifting plate to rise vertically. At this time, the air in the cavity formed by the lifting plate and the rubber air ring gradually becomes thinner, and the pressure drops. Finally, the atmospheric pressure presses the base body on the desktop, so that the base body can be stably fixed on the desktop. In addition, the fixing force of the base body can be directly controlled by adjusting the height of the lifting plate, making the device more flexible to use.

[0019] 2. By lowering the lifting plate, the adsorption force between the base body and the desktop is reduced, so that the base body does not need to be pulled forcefully when it is disassembled, which reduces the aging speed of the rubber material parts and increases the service life;

[0020] 3. By passing a finger through the pull ring, the movable rod slides outward, so that the locking block is disengaged from the hook block, and the handle can be quickly disassembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0022] Figure 2 It is a partial front cross-sectional structural schematic diagram of the base body;

[0023] Figure 3 for Figure 2 Schematic diagram of the enlarged structure of the A area in the middle;

[0024] Figure 4 It is a schematic diagram of a partial side cross-sectional structure of the base body;

[0025] Figure 5 for Figure 4 Schematic diagram of the enlarged structure of area B in the middle.

[0026] In the figure: 1. handle; 101. base body; 2. positioning assembly; 201. cavity; 202. connecting shell; 203. threaded column; 204. first gear; 205. second gear; 206. rotating rod; 207. knob handle; 208. threaded sleeve; 209. lifting plate; 210. sealing ring; 211. telescopic rod; 212. rubber air ring; 3. locking mechanism; 301. connecting cavity; 302. spring; 303. movable rod; 304. pull ring; 305. locking block; 306. barb block. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-5 The utility model provides a technical solution: a fixed base for a handheld fan, comprising a base body 101, a plug-in cavity is provided at the top of the base body 101, and a hand-held handle 1 is plugged into the plug-in cavity; a clamping mechanism 3 is provided at the lower part of the base body 101, and a positioning component 2 is provided at the bottom end of the hand-held handle 1; wherein the clamping mechanism 3 comprises a cavity 201 provided at the lower part of the base body 101, and a connecting shell 202 is provided at the upper part of the cavity 201; wherein a threaded column 203 is rotatably connected to the bottom of the connecting shell 202, a threaded sleeve 208 is threadedly slidably connected to the bottom end of the threaded column 203, a lifting plate 209 is fixedly connected to the bottom end of the threaded sleeve 208, and a sealing ring 210 is wrapped around the outer edge of the lifting plate 209, and the sealing ring 210 is in contact with the inner wall of the cavity 201; the sealing ring 210 can ensure that the cavity 201 is divided into two parts, an upper part and an lower part, by the lifting plate 209.

[0029] A rubber air ring 212 is fixedly connected to the bottom of the base body 101, the lifting plate 209 is fixedly connected to the sealing ring 210, and a plurality of telescopic rods 211 are fixedly connected to the top surface of the lifting plate 209. The telescopic rods 211 are symmetrically distributed, and the top of the telescopic rods 211 is fixedly connected to the upper inner wall of the cavity 201, and the connecting shell 202 is fixedly connected to the middle part of the upper inner wall of the cavity 201; the top of the threaded column 203 extends into the interior of the connecting shell 202 and is fixedly connected to the first gear 204, and the side of the first gear 204 is meshedly connected to the second gear 205, and the first gear 204 and the second gear 205 are both bevel gears, and the middle part of the second gear 205 is fixedly connected to the rotating rod 206; the telescopic rod 211 is a prior art with an ordinary telescopic structure, and the lifting plate 209 can be provided with a limit through the telescopic rod 211 to ensure that the lifting plate 209 is lifted and lowered vertically.

[0030] One end of the rotating rod 206 is rotatably connected to the inner wall of the connecting shell 202, and the other end of the rotating rod 206 rotates through the back side of the connecting shell 202 and is fixedly connected to the knob handle 207; the rotating rod 206 rotates the connecting shell 202; the fixing force of the base body 101 is judged according to the resistance when the knob handle 207 rotates, which is convenient for use.

[0031] The locking mechanism 3 includes a connecting cavity 301 opened on the back side of the middle part of the base body 101, and a spring 302 is installed on the inner wall of the connecting cavity 301. A movable rod 303 is connected through the middle part of the spring 302, and the movable rod 303 is slidably connected to the base body 101; the locking block 305 and the hook block 306 use the inclined surface to make the handle 1 automatically locked when inserted.

[0032] One end of the movable rod 303 extends into the interior of the plug-in cavity and is fixedly connected to a locking block 305, the other end of the movable rod 303 extends out of the base body 101 and is fixedly connected to a pull ring 304, one end of the spring 302 is fixedly connected to the pull ring 304, and the other end of the spring 302 is fixedly connected to the vertical side wall of the connecting cavity 301; the spring 302 will pull the movable rod 303 so that the locking block 305 is engaged with the hook block 306.

[0033] A avoidance groove is provided at the bottom of the plug-in cavity near the connecting cavity 301, and a barb block 306 is fixedly connected to the bottom of the handle 1 near the avoidance groove, and the bottom end of the barb block 306 is engaged with the locking block 305; the avoidance groove allows the locking block 305 to move freely, forming an avoidance for the barb block 306.

[0034] Working principle: Before using this handheld fan fixed base, you need to check the overall condition of the device to make sure it can work normally. Figure 1 - Figure 5 As shown, firstly, the base body 101 is placed on the desktop, and the rubber air ring 212 is seamlessly fitted to the desktop;

[0035] At this time, the knob handle 207 is held in hand so that the rotating rod 206 drives the second gear 205 to rotate, thereby causing the first gear 204 to drive the threaded column 203 to rotate, and then the threaded sleeve 208 drives the lifting plate 209 to rise vertically. At this time, the air in the cavity formed by the lifting plate 209 and the rubber air ring 212 gradually becomes thinner, and the pressure drops, and finally the atmospheric pressure presses the base body 101 on the desktop, and finally the base body 101 can be stably fixed on the desktop, and the fixing force of the base body 101 can be directly controlled by adjusting the height of the lifting plate 209, so that the device is more flexible to use;

[0036] And by rotating the knob handle 207 in the opposite direction, the lifting plate 209 is lowered, so that the adsorption force between the base body 101 and the desktop is reduced, and finally the base body 101 does not need to be pulled forcefully when being disassembled, thereby reducing the aging speed of the rubber material parts and increasing the service life;

[0037] After the handle 1 is inserted into the insertion cavity, the locking block 305 and the hook block 306 will be engaged, so that the handle 1 cannot be directly pulled out, forming a relatively fixed state; by allowing a finger to pass through the pull ring 304 to make the movable rod 303 slide outward, the locking block 305 is disengaged from the hook block 306, and the handle 1 can be quickly disassembled.

[0038] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A fixed base for a handheld fan, comprising a base body (101), wherein a plug-in cavity is provided at the top of the base body (101), and a handheld handle (1) is plugged into the plug-in cavity; It is characterized in that Also includes: A locking mechanism (3) is provided at the lower part of the base body (101), and a positioning assembly (2) is provided at the bottom end of the hand-held handle (1); The locking mechanism (3) comprises a cavity (201) opened at the lower part of the base body (101), and a connecting shell (202) is provided at the upper part of the cavity (201); The bottom of the connecting shell (202) is rotatably connected to a threaded column (203), the bottom end of the threaded column (203) is threadedly slidably connected to a threaded sleeve (208), the bottom end of the threaded sleeve (208) is fixedly connected to a lifting plate (209), the outer edge of the lifting plate (209) is wrapped with a sealing ring (210), and the sealing ring (210) is in contact with the inner wall of the cavity (201).

2. A fixing base for a handheld fan according to claim 1, characterized in that: The bottom of the base body (101) is fixedly connected to a rubber air ring (212), the lifting plate (209) is fixedly connected to a sealing ring (210), the top surface of the lifting plate (209) is fixedly connected to a plurality of telescopic rods (211), the telescopic rods (211) are symmetrically distributed, the top ends of the telescopic rods (211) are fixedly connected to the upper inner wall of the cavity (201), and the connecting shell (202) is fixedly connected to the middle part of the upper inner wall of the cavity (201).

3. The fixing base for a handheld fan according to claim 1, characterized in that: The top end of the threaded column (203) extends into the interior of the connecting shell (202) and is fixedly connected to a first gear (204); the side of the first gear (204) is meshingly connected to a second gear (205); both the first gear (204) and the second gear (205) are bevel gears; the middle of the second gear (205) is fixedly connected to a rotating rod (206).

4. A fixing base for a handheld fan according to claim 3, characterized in that: One end of the rotating rod (206) is rotatably connected to the inner wall of the connecting shell (202), and the other end of the rotating rod (206) rotates through the back side of the connecting shell (202) and is fixedly connected to a knob handle (207).

5. The fixing base for a handheld fan according to claim 1, characterized in that: The locking mechanism (3) comprises a connecting cavity (301) provided on the back side of the middle part of the base body (101); a spring (302) is installed on the inner wall of the connecting cavity (301); a movable rod (303) is connected through the middle part of the spring (302); and the movable rod (303) is slidably connected to the base body (101).

6. A fixing base for a handheld fan according to claim 5, characterized in that: One end of the movable rod (303) extends into the interior of the plug-in cavity and is fixedly connected to a locking block (305); the other end of the movable rod (303) extends out of the base body (101) and is fixedly connected to a pull ring (304); one end of the spring (302) is fixedly connected to the pull ring (304); and the other end of the spring (302) is fixedly connected to the vertical side wall of the connecting cavity (301).

7. The fixing base for a handheld fan according to claim 1, characterized in that: A side of the bottom of the plug cavity close to the connection cavity (301) is provided with an avoidance groove, and a barb block (306) is fixedly connected to the bottom of the handle (1) close to the avoidance groove, and the bottom end of the barb block (306) is engaged with the locking block (305).

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