A portable fan includes a shell assembly, a fan, a power module and a retractable cable module. The shell assembly is provided with a cable outlet, the fan is arranged on the shell assembly, and the shell assembly is provided with an air outlet for air outgoing of the fan. The power module is arranged on the shell assembly and configured to supply power to the fan. The retractable cable module is arranged on the shell assembly and includes a cable body and a butt joint connected to one end of the cable body, and a width of the butt joint is not greater than a width of the cable outlet. The cable body is capable of retracting into the cable outlet to be accommodated in the shell assembly, or extending out of the shell assembly to butt the butt joint to an external electronic device and supply power to the external electronic device through the power module.
1 . A portable fan, comprising:
a shell assembly provided with a cable outlet;
a fan arranged on the shell assembly, the shell assembly being provided with an air outlet for air outgoing of the fan;
a power module arranged on the shell assembly and configured to supply power to the fan; and
a retractable cable module arranged on the shell assembly and comprising a cable body and a butt joint connected to one end of the cable body, wherein the butt joint is configured to butt to an external electronic device; a width of the butt joint being not larger than that of the cable outlet, and a cross-sectional area of the butt joint is not greater than a cross-sectional area of the cable outlet, such that the butt joint is capable of passing from an interior of the shell assembly to an exterior of the shell assembly through the cable outlet in an assembly process; the cable body is capable of retracting into the cable outlet to be accommodated in the shell assembly, the cable body is also capable of being pulled out of the shell assembly to butt the butt joint to the external electronic device and supply power to the external electronic device through the power module;
wherein the butt joint has a first position and a second position relative to the shell assembly, and in the first position, the cable body is accommodated in the shell assembly and the butt joint is at least partially accommodated in the cable outlet; in the second position, the cable body and the butt joint extend out of the shell assembly for butting to the external electronic device;
wherein the portable fan comprises an ejecting assembly arranged on the shell assembly, and the ejecting assembly is configured to be triggered to eject the butt joint in the first position out of the shell assembly through the cable outlet;
wherein the ejecting assembly comprises an elastic member arranged in the shell assembly and a slider connected to the elastic member, and in the process that the butt joint is switched from the second position to the first position, the slider is driven by the butt joint to move inside the shell assembly and locked in the first position, and the elastic member accumulates elastic potential energy; the slider is configured to be triggered to be unlocked from the shell assembly, and the elastic member drives the slider to drive the butt joint to be ejected out of the shell assembly.
2 . The portable fan according to claim 1 , wherein the ejecting assembly comprises a mounting base connected to the shell assembly and a pull rod having one end rotatably connected to the mounting base, the slider is in sliding fit to the mounting base, and the elastic member has one end connected to the mounting base and the other end connected to the slider; the other end of the pull rod is in sliding fit with the slider; in the process that the butt joint is pressed into the cable outlet and moves to the first position, the butt joint drives the slider to move relative to the mounting base to clamp the pull rod to the slider at the first position; when the pull rod is clamped to the slider, the butt joint is pushed inwards along the cable outlet, the pull rod can be unlocked from the slider, and the elastic member pushes the butt joint to be ejected from the cable outlet through the slider.
3 . The portable fan according to claim 2 , wherein the slider is provided with a sliding groove, the sliding groove comprises an entering groove, a clamping groove and an exiting groove, the clamping groove is communicated with the entering groove and the exiting groove, and the exiting groove is communicated with the entering groove; a bottom wall of the entering groove is provided with a plurality of steps, such that a depth of the entering groove is increased from an entrance of the entering groove to a position of the clamping groove; a depth of the exiting groove is smaller than a depth of the clamping groove, and a bottom wall of the exiting groove is in smooth transition with a bottom wall of the clamping groove; the butt joint is pushed inwards along the cable outlet, a free end of the pull rod slides into the entering groove from the entrance of the entering groove, and slides along an extending direction of the entering groove into the clamping groove, and the pull rod is clamped to the slider in the clamping groove, such that the slider is locked on the mounting base, and the butt joint reaches the first position; when the pull rod is clamped to the slider, the butt joint is pushed inwards along the cable outlet, the pull rod slides into the exiting groove and slides along an extending direction of the exiting groove towards the entrance of the entering groove, and the elastic member pushes the butt joint to be ejected from the cable outlet through the slider.
4 . The portable fan according to claim 1 , wherein the slider has a body and a stop portion which are integrally formed, the elastic member is connected to the body, and the ejecting assembly comprises a mounting box with a position fixed relative to a position of the shell assembly, and a clamping jaw movably arranged on the mounting box; in the process that the butt joint is switched from the second position to the first position, the butt joint drives the slider to move in the shell assembly, the stop portion is caused to pass over the clamping jaw, and the clamping jaw and the stop portion are locked at the first position; the clamping jaw can be driven to be opened, such that the elastic member can drive the stop portion to be separated from the clamping jaw and drive the slider to drive the butt joint to be ejected out of the shell assembly.
5 . The portable fan according to claim 1 , wherein the portable fan comprises a ring, the ring penetrates through the cable outlet and is limited to the shell assembly, the ring has a through hole through which the cable body penetrates, and a width of the through hole is smaller than the width of the butt joint.
6 . The portable fan according to claim 5 , wherein the ring is an open ring.
7 . The portable fan according to claim 1 , wherein the shell assembly has a sunken groove communicated with the cable outlet, the cable outlet is formed in a bottom of the sunken groove, and the cable body can be bent to limit the butt joint to the sunken groove.
8 . The portable fan according to claim 7 , wherein the portable fan comprises a magnetic member, the magnetic member is connected to the shell assembly and arranged corresponding to the bottom of the sunken groove, the butt joint has a fitting member, and the fitting member is configured to be magnetically fitted with the magnetic member to attach the butt joint to the bottom of the sunken groove.
9 . The portable fan according to claim 7 , wherein a groove wall of the sunken groove is provided with a clamping portion for clamping and limiting the butt joint to the sunken groove.
10 . The portable fan according to claim 1 , wherein the portable fan comprises a circuit board arranged in the shell assembly, the retractable cable module comprises a casing arranged in the shell assembly, the fan, the power module, and the cable body are electrically connected with the circuit board, positions of the casing and the circuit board are fixed relatively, and the cable body is telescopically arranged in the casing.
11 . The portable fan according to claim 10 , wherein the portable fan comprises a limiting member movably fitted to the shell assembly or the casing, the limiting member has an unlocking position and a locking position, and in the unlocking position, the cable body can be pulled out of or retracted into the casing; in the locking position, the limiting member limits movement of the cable body relative to the shell assembly.
12 . The portable fan according to claim 1 , wherein the shell assembly comprises an air outlet portion and a holding portion connected to the air outlet portion, the air outlet portion is provided with the air outlet, the fan is arranged on the air outlet portion, the power module and the retractable cable module are arranged on the holding portion, and one of the air outlet portion and the holding portion is provided with the cable outlet.
13 . The portable fan according to claim 1 , wherein the portable fan comprises a wearing portion connected to the shell assembly, and the wearing portion is configured to be worn to the body of a user.
14 . The portable fan according to claim 1 , wherein the shell assembly is provided with a space for being worn to the body of the user.