Vehicle-mounted electric fan

Abstract

The vehicle-mounted electric fan comprises a rear cover, a panel is fixedly connected to one end of the rear cover, a front cover is connected to the outer wall of one side of the panel through bolts, a circular groove is formed in the outer wall of one side of the front cover, shunting strips which are circularly distributed at equal intervals are fixedly connected to the interior of the circular groove, and the cross section of each shunting strip is in an arc shape; an air inlet groove is formed in the circumferential outer wall of the rear cover, a fixing frame is fixedly connected to the circumferential inner wall of the rear cover, a motor is fixedly connected to the interior of the fixing frame, and a blade assembly is arranged at the output end of the motor. In the rotating process of the blade assembly, due to the fact that the blades are arranged inside and outside the blade assembly, the multiple sets of inner blades located on the inner side can cut generated wind to be smarter and softer, and meanwhile the inner blades are in the spiral arc shape, the generated wind power is softer than traditional blades and is close to natural wind; the condition that heat cannot be effectively discharged due to sweat hair blocking caused by violent contact with the skin of a driver is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicle-mounted products, and in particular to a vehicle-mounted electric fan. Background Art

[0002] Car fans are air circulation or cooling devices used in cars. At present, car fans are increasingly used. They are commonly used in the following situations: 1. Drivers or passengers are sensitive to air conditioning, which is called air conditioning disease, and they will feel uncomfortable in an air-conditioned environment; 2. In order to save gasoline, they choose not to turn on the air conditioning, especially for commercial long-distance trucks; 3. Used in conjunction with air conditioning, the air flow in the car can flow better to meet the needs of passengers for cooling.

[0003] The existing car fans are mostly composed of 3-7 blades, which will generate a strong airflow when working. When the driver uses this type of fan to dissipate heat and cool down, the strong airflow will cause the driver's skin hair to be blocked, resulting in the skin being cold but the internal heat still being strong, which cannot meet people's cooling needs. Therefore, there is an urgent need for a car electric fan to solve the above problems. Summary of the invention

[0004] In view of the problems in the related art, the present invention provides a vehicle-mounted electric fan to overcome the above technical problems existing in the existing related art.

[0005] The technical solution of the present invention is achieved in this way:

[0006] A vehicle-mounted electric fan comprises a rear cover, one end of which is fixedly connected to a panel, an outer wall of one side of the panel is connected to a front cover by bolts, a circular groove is provided on the outer wall of one side of the front cover, and the inner part of the circular groove is fixedly connected to equidistantly distributed flow dividers in a circular shape, and the cross section of the flow divider is arc-shaped;

[0007] An air inlet groove is formed on the circumferential outer wall of the rear cover, a fixing frame is fixedly connected to the circumferential inner wall of the rear cover, a motor is fixedly connected inside the fixing frame, and a blade assembly is provided at the output end of the motor;

[0008] The circumferential outer wall of the rear cover is provided with an adjustment component;

[0009] A locking assembly is arranged at one end of the rear cover away from the front cover.

[0010] Furthermore, the blade assembly includes a sleeve arranged inside the rear cover, the cross-section of the sleeve is an isosceles trapezoid, the circumferential outer wall of the sleeve is fixedly connected with inner blades distributed in a circular shape at equal distances, the inner blades are in a spiral arc shape, one end of the inner blade is fixedly connected with a fixing ring, the circumferential outer wall of the fixing ring is fixedly connected with outer blades distributed in a circular shape at equal distances, one side of the outer blade is provided with guide grooves distributed in a circular shape at equal distances, and the cross-section of the guide groove is wavy.

[0011] Furthermore, a threaded groove is provided at the output end of the motor, and a lock buckle is fixedly connected to the circumferential outer wall of the motor output end, and the cross-section of the lock buckle is T-shaped. A lock groove is provided on the circumferential inner wall of the sleeve, and the cross-section of the lock groove is rectangular. The lock buckle is clamped inside the lock groove, and the bottom outer wall of the sleeve contacts with one side outer wall of the lock buckle. A fixing nut is threadedly connected to the threaded groove, and one side outer wall of the fixing nut is pressed against the outer wall of one end of the sleeve.

[0012] Furthermore, the adjustment component includes a rotating shaft fixedly connected to the circumferential outer wall of the rear cover, one end of the rotating shaft is fixedly connected to a rotating wheel, a movable frame is provided on one side of the rear cover, both ends of the movable frame are provided with circular holes, one end of the rotating shaft passes through a group of circular holes, a fixed cover is fixedly connected to the outer wall of one side of the movable frame, the rotating wheel is located inside the fixed cover, a fixed plate is fixedly connected to the circumferential inner wall of the fixed cover, an end is rotatably connected to one side of the fixing plate, a pawl is fixedly connected to the circumferential outer wall of the end, and the circumferential outer wall of the end is provided with equidistantly distributed card slots, and one end of the pawl is pressed against the inside of the card slot.

[0013] Furthermore, a spring is fixedly connected to the circumferential inner wall of the fixed cover, and one end of the spring away from the circumferential inner wall of the fixed cover is fixedly connected to an outer wall of one side of the pawl.

[0014] Furthermore, the number of the pawls is four groups, and one end of the four groups of pawls are tightly pressed against the inside of the slot.

[0015] Furthermore, the locking assembly includes a fixed cylinder fixedly connected to the outer wall of one side of the movable frame, the outer wall of one end of the fixed cylinder is fixedly connected to a positioning seat, an outer wall of one side of the positioning seat is bonded with an anti-slip pad, the number of the anti-slip pads is three groups, one side of the fixed cylinder and the positioning seat are both provided with through grooves, one side of the positioning seat is provided with a locking hook, and one end of the locking hook passes through the inside of the through groove.

[0016] Furthermore, an inner wall of one side of the fixed cylinder is rotatably connected to a rotating column, and the circumferential outer wall of the rotating column is respectively fixedly connected to the first gear plate and the second gear plate, the circumferential outer wall of the second gear plate is meshed with the third gear plate, the circumferential inner wall of the third gear plate is fixedly connected to a threaded rod, the circumferential outer wall of the threaded rod is meshed with a threaded sleeve, one side outer wall of the threaded sleeve is fixedly connected to a cross plate, one end of the locking hook passing through the through groove is fixedly connected to one side outer wall of the cross plate, the circumferential outer wall of the first gear plate is meshed with a gear ring frame, the circumferential outer wall of the gear ring frame is fixedly connected to a ring sleeve, and the ring sleeve is sleeved on the circumferential outer wall of the fixed cylinder, the circumferential outer wall of the fixed cylinder is provided with an opening, one end of the first gear plate extends to the outside of the opening, and the circumferential outer wall of the ring sleeve is provided with anti-slip grooves distributed in a circular shape at equal distances.

[0017] Furthermore, the circumferential outer wall of the fixed cylinder is fixedly connected with a ring plate, and the number of the ring plates is two groups, and the two groups of ring plates are respectively arranged at both ends of the ring sleeve, and one side outer wall of the two groups of ring plates is fixedly connected with a limiting stop rod, and one side outer wall of the limiting stop rod is in contact with the circumferential outer wall of the ring sleeve. The number of the limiting stop rods is four groups, and the four groups of limiting stop rods are equidistantly distributed in a circle on the outer wall of the ring sleeve.

[0018] Furthermore, guide rods are fixedly connected to both sides of the fixed cylinder, the circumferential outer wall of the guide rod is sleeved with the guide cylinder, one side outer wall of the guide cylinder is fixedly connected to a connecting frame, and the connecting frame is fixedly connected to the cross plate.

[0019] Beneficial effects of the present invention:

[0020] The present invention provides a vehicle-mounted electric fan, which is provided with a blade assembly, a motor, a lock buckle and a threaded groove. When the driver needs to start the electric fan, the motor is started, and the motor can drive the blade assembly to rotate to generate wind force, thereby accelerating the flow rate of the surrounding airflow, thereby achieving a good cooling effect. During the rotation of the blade assembly, since blades are provided both inside and outside, the multiple groups of inner blades located on the inner side can cut the generated wind into smaller pieces and softer. At the same time, the inner blades are in a spiral arc shape, so that the generated wind force is softer and closer to natural wind than traditional blades, and there will be no situation in which the driver's skin is in violent contact with the driver's skin, resulting in the occlusion of his sweat hair and inability to effectively discharge heat. At the same time, the outer ring is provided with The outer blades will generate slightly stronger wind to make up for the soft wind in the inner circle but insufficient wind efficiency. At the same time, the angles of the inner and outer blades in the blade assembly are different, so a mixed flow and pressurization effect will be formed in the front, so that the entire fan can deliver air farther, meeting people's usage needs. At the same time, the multiple sets of guide grooves arranged on the trailing edge of the outer blades can effectively comb the turbulence caused by the separation of the gas flow adhering to the tail of the outer blade when the gas rotates at high speed without losing the air volume performance, improve the conversion of gas flow into laminar flow, achieve the effect of reducing noise, and make the noise generated by the entire fan lower when working, so as to avoid causing irritability to the driver.

[0021] The present invention provides a vehicle-mounted electric fan. Through the provided locking assembly, the driver can first rotate the ring sleeve clockwise before using the fan. During the rotation of the ring sleeve, the gear ring frame inside it can be driven to rotate. The rotation of the gear ring frame can drive the first gear plate meshed with it to rotate. During the rotation of the first gear plate, the rotating column can be driven to rotate. During the rotation of the rotating column, the second gear plate can be driven to rotate. During the rotation of the third gear plate, the threaded rod fixed on the inner wall thereof can be driven to rotate. The rotation of the threaded rod can make the threaded sleeve meshed on the outer wall thereof to perform vertical movement, thereby driving the horizontal plate and the locking hook on one side thereof to move out from the inside of the fixed cylinder. Subsequently, the driver hooks one end of the locking hook on the grille of the air-conditioning outlet and rotates the ring sleeve counterclockwise, thereby driving the locking hook toward the inside of the fixed cylinder. As the locking hook is continuously retracted until the ring sleeve cannot be rotated, the entire electric fan can be locked at the air-conditioning outlet.

[0022] The present invention provides a vehicle-mounted electric fan. Through the provided adjustment component, the driver can pull the entire fan to adjust the blowing angle of the fan during use of the electric fan. The rotation of the fan as a whole can drive the rotating shaft to rotate, and the rotation of the rotating shaft can drive the rotating wheel to rotate. During the rotation of the rotating wheel, a ratchet pressed against the inside of a slot will be lifted, thereby releasing the limiting effect of the ratchet. When the driver adjusts the electric fan to a suitable blowing angle and stops rotating, the spring in a compressed state will immediately reset and bounce the ratchet into the corresponding slot again, thereby fixing the rotating shaft and the electric fan, preventing the electric fan from rotating when there is no external human adjustment, and ensuring the stability of the electric fan when it is working. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 It is a schematic diagram of the overall front structure of the present invention.

[0025] Figure 2 It is a schematic diagram of the overall back structure of the present invention.

[0026] Figure 3 It is a schematic diagram of the overall split back structure of the present invention.

[0027] Figure 4 For the present invention Figure 3 Schematic diagram of the enlarged structure at point A in the middle.

[0028] Figure 5 It is a schematic diagram of the overall split front structure of the present invention.

[0029] Figure 6 It is a schematic diagram of the structure of the blade assembly of the present invention.

[0030] Figure 7 It is a schematic diagram of the matching structure of the blade assembly and the motor of the present invention.

[0031] Figure 8 It is a schematic diagram of the cross-sectional plan structure of the present invention.

[0032] Fig. 9 This is a schematic diagram of the split structure of the regulating component of the present invention.

[0033] Fig.10 For the present invention Fig. 9 Schematic diagram of the enlarged structure at point B in the middle.

[0034] In the figure:

[0035] 1. Rear cover; 2. Panel; 3. Front cover; 4. Diverter strip; 5. Air inlet slot; 6. Adjustment assembly; 6001. Movable frame; 6002. Fixed cover; 6003. Slot; 6004. Rotating wheel; 6005. Fixed plate; 6006. End; 6007. Spring; 6008. Ratchet; 7. Locking assembly; 7001. Lock hook; 7002. Anti-skid pad; 7003. Positioning seat; 7004. Fixed cylinder; 7005. Ring plate; 7006. Anti-skid slot; 7007. Ring sleeve; 7008. Limit stop lever; 7009. Through groove; 7010, gear ring frame; 7011, rotating column; 7012, threaded rod; 7013, first gear plate; 7014, second gear plate; 7015, third gear plate; 7016, connecting frame; 7018, threaded sleeve; 7019, guide rod; 7020, guide cylinder; 7021, cross plate; 8, blade assembly; 8001, outer blade; 8002, guide groove; 8003, fixing ring; 8004, shaft sleeve; 8005, inner blade; 9, motor; 10, fixing frame; 11, threaded groove; 12, locking buckle. DETAILED DESCRIPTION

[0036] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the present invention.

[0037] See also Figure 1-Figure 10 A vehicle-mounted electric fan comprises a rear cover 1, one end of which is fixedly connected to a panel 2, one side outer wall of the panel 2 is connected to a front cover 3 by bolts, one side outer wall of the front cover 3 is provided with a circular groove, the inside of the circular groove is fixedly connected to equidistant circularly distributed diverter strips 4, and the cross section of the diverter strip 4 is arc-shaped;

[0038] An air inlet groove 5 is provided on the circumferential outer wall of the rear cover 1, a fixing frame 10 is fixedly connected to the circumferential inner wall of the rear cover 1, a motor 9 is fixedly connected inside the fixing frame 10, and a blade assembly 8 is provided at the output end of the motor 9;

[0039] An adjustment component 6 is provided on the circumferential outer wall of the rear cover 1;

[0040] A locking assembly 7 is provided at one end of the rear cover 1 away from the front cover 3. When the driver needs to start the electric fan, the motor 9 is started. The motor 9 can drive the blade assembly 8 to rotate to generate wind force, accelerate the flow rate of the surrounding airflow, and thus achieve a good cooling effect.

[0041] The blade assembly 8 includes a shaft sleeve 8004 arranged inside the rear cover 1, the cross section of the shaft sleeve 8004 is an isosceles trapezoid, the circumferential outer wall of the shaft sleeve 8004 is fixedly connected with inner blades 8005 which are equidistantly distributed in a circular shape, the inner blades 8005 are in a spiral arc shape, one end of the inner blade 8005 is fixedly connected with a fixing ring 8003, the circumferential outer wall of the fixing ring 8003 is fixedly connected with outer blades 8001 which are equidistantly distributed in a circular shape, one side of the outer blade 8001 is provided with guide grooves 8002 which are equidistantly distributed, and the cross section of the guide groove 8002 is wavy. During the rotation of the blade assembly 8, since blades are arranged both inside and outside, the multiple groups of inner blades 8005 located on the inside can cut the generated wind into more fragments and softer. At the same time, the inner blades 8005 are in a spiral arc shape, so that the generated wind force is softer and closer to natural wind than traditional blades. There will be no violent contact with the driver's skin, which will cause the driver's hair to be blocked and unable to effectively discharge heat. At the same time, the outer blades 8001 arranged in the outer circle will generate slightly stronger wind force to make up for the situation that the wind force in the inner circle is soft but the wind effect is insufficient. At the same time, the inner blades 8005 and the outer blades 8001 in the blade assembly 8 have different angles, so a mixed flow and supercharging effect will be formed in the front, so that the entire fan can supply air farther, meeting people's usage needs. At the same time, the multiple groups of guide grooves 8002 arranged at the trailing edge of the outer blades 8001 can effectively comb the turbulence caused by the gas flow adhering to the tail of the outer blades 8001 when the gas rotates at high speed without losing the air volume performance, improve the conversion of gas flow into laminar flow, achieve the effect of reducing noise, and make the noise generated by the entire fan lower when working, so as to avoid causing the driver's irritability.

[0042] A threaded groove 11 is provided at the output end of the motor 9, and a lock buckle 12 is fixedly connected to the circumferential outer wall of the output end of the motor 9. The cross-section of the lock buckle 12 is T-shaped. A lock groove is provided on the circumferential inner wall of the sleeve 8004. The cross-section of the lock groove is rectangular. The lock buckle 12 is clamped inside the lock groove. The bottom outer wall of the sleeve 8004 contacts one side outer wall of the lock buckle 12. The threaded groove 11 is threadedly connected with a fixing nut, and one side outer wall of the fixing nut is pressed against the outer wall of one end of the sleeve 8004.

[0043] The adjustment component 6 includes a rotating shaft fixedly connected to the outer wall of the circumference of the rear cover 1, one end of the rotating shaft is fixedly connected to a rotating wheel 6004, a movable frame 6001 is provided on one side of the rear cover 1, both ends of the movable frame 6001 are provided with circular holes, one end of the rotating shaft passes through a group of circular holes, a fixed cover 6002 is fixedly connected to the outer wall of one side of the movable frame 6001, the rotating wheel 6004 is located inside the fixed cover 6002, and the inner wall of the circumference of the fixed cover 6002 is fixedly connected There is a fixed plate 6005, one side of the fixed plate 6005 is rotatably connected to an end 6006, a pawl 6008 is fixedly connected to the circumferential outer wall of the end 6006, the circumferential outer wall of the rotating wheel 6004 is provided with slots 6003 distributed at equal distances, one end of the pawl 6008 is pressed against the inside of the slot 6003, and a spring 6007 is fixedly connected to the circumferential inner wall of the fixed cover 6002, and one end of the spring 6007 is away from the circumferential inner wall of the fixed cover 6002 The pawls 6008 are fixedly connected to the outer wall of one side thereof, and there are four groups of pawls 6008, one ends of which are all pressed against the inside of the slot 6003. When the driver uses the electric fan, he can pull the whole of the pawls 6008 to adjust the blowing angle of the fan, and the rotation of the fan as a whole can drive the shaft to rotate, and the rotation of the shaft can drive the wheel 6004 to rotate. During the rotation of the wheel 6004, the pawls 6008 pressed against the inside of the slot 6003 will be lifted, and the limiting effect of the pawls 6008 will be released. When the driver adjusts the electric fan to a suitable blowing angle and stops rotating, the spring 6007 in a compressed state will immediately reset and bounce the pawls 6008 into the corresponding slot 6003 again, thereby fixing the shaft and the electric fan, preventing the electric fan from rotating when there is no external manpower adjustment, and ensuring the stability of the electric fan when working.

[0044] The locking assembly 7 includes a fixed cylinder 7004 fixedly connected to the outer wall of one side of the movable frame 6001, the outer wall of one end of the fixed cylinder 7004 is fixedly connected to a positioning seat 7003, an outer wall of one side of the positioning seat 7003 is bonded with an anti-skid pad 7002, and the number of the anti-skid pads 7002 is three groups, one side of the fixed cylinder 7004 and the positioning seat 7003 are both provided with a through groove 7009, one side of the positioning seat 7003 is provided with a locking hook 7001, one end of the locking hook 7001 passes through the inside of the through groove 7009, the inner wall of one side of the fixed cylinder 7004 is rotatably connected to a rotating column 7011, and the circumferential outer wall of the rotating column 7011 is respectively fixedly connected to the first gear plate 7013 and the second gear plate 7014, The circumferential outer wall of the second gear plate 7014 is meshed with the third gear plate 7015, the circumferential inner wall of the third gear plate 7015 is fixedly connected with the threaded rod 7012, the circumferential outer wall of the threaded rod 7012 is meshed with the threaded sleeve 7018, one side outer wall of the threaded sleeve 7018 is fixedly connected with the transverse plate 7021, one end of the locking hook 7001 passing through the through slot 7009 is fixedly connected to one side outer wall of the transverse plate 7021, the circumferential outer wall of the first gear plate 7013 is meshed with the gear ring frame 7010, the circumferential outer wall of the gear ring frame 7010 is fixedly connected with the ring sleeve 7007, the ring sleeve 7007 is sleeved on the circumferential outer wall of the fixed cylinder 7004, the circumferential outer wall of the fixed cylinder 7004 is provided with an opening, and the first One end of the gear plate 7013 extends to the outside of the opening, and the circumferential outer wall of the ring sleeve 7007 is provided with anti-skid grooves 7006 which are equidistantly distributed in a circular shape. Before the driver uses the fan, he can first rotate the ring sleeve 7007 clockwise, and during the rotation of the ring sleeve 7007, the gear ring frame 7010 inside it can be driven to rotate, and the rotation of the gear ring frame 7010 can drive the first gear plate 7013 meshing therewith to rotate, and during the rotation of the first gear plate 7013, the rotating column 7011 can be driven to rotate, and during the rotation of the rotating column 7011, the second gear plate 7014 can be driven to rotate, and the rotation of the second gear plate 7014 can drive the third gear plate meshing therewith. 7015 rotates, and during the rotation of the third gear plate 7015, the threaded rod 7012 fixed on its inner wall can be driven to rotate. The rotation of the threaded rod 7012 can make the threaded sleeve 7018 engaged on its outer wall do vertical movement, thereby driving the horizontal plate 7021 and the locking hook 7001 on one side to move out from the inside of the fixed cylinder 7004. Then the driver hooks one end of the locking hook 7001 on the grille of the air-conditioning outlet and rotates the ring sleeve 7007 counterclockwise, thereby driving the locking hook 7001 to the inside of the fixed cylinder 7004. As the locking hook 7001 is continuously retracted until the ring sleeve 7007 cannot be rotated, the entire electric fan can be locked at the air-conditioning outlet.

[0045] The circumferential outer wall of the fixed cylinder 7004 is fixedly connected with a ring plate 7005, and there are two groups of ring plates 7005. The two groups of ring plates 7005 are respectively arranged at both ends of the ring sleeve 7007, and one side outer wall of the two groups of ring plates 7005 is fixedly connected with a limiting stop rod 7008. One side outer wall of the limiting stop rod 7008 is in contact with the circumferential outer wall of the ring sleeve 7007. There are four groups of limiting stop rods 7008, and the four groups of limiting stop rods 7008 are distributed in an equidistant circle on the outer wall of the ring sleeve 7007, which ensures that the ring sleeve 7007 can stably drive the internal gear ring frame 7010 to rotate.

[0046] Guide rods 7019 are fixedly connected to both sides of the fixed cylinder 7004, and the circumferential outer wall of the guide rod 7019 is sleeved with a guide cylinder 7020. A connecting frame 7016 is fixedly connected to the outer wall of one side of the guide cylinder 7020. The connecting frame 7016 is fixedly connected to the cross plate 7021. By sliding the guide cylinder 7020 on the outer wall of the guide rod 7019, the stability of the locking hook 7001 during the lifting process can be effectively guaranteed, which plays a good guiding and limiting role.

[0047] In summary, with the help of the above-mentioned technical scheme of the present invention, when the driver needs to start the electric fan, the motor 9 is started, and the motor 9 can drive the blade assembly 8 to rotate to generate wind force, thereby accelerating the flow rate of the surrounding airflow, thereby achieving a good cooling effect. During the rotation of the blade assembly 8, since blades are arranged both inside and outside, the multiple groups of inner blades 8005 located on the inner side can cut the generated wind into smaller pieces and softer. At the same time, the inner blades 8005 are in a spiral arc shape, so that the generated wind force is softer and closer to natural wind than traditional blades, and there will be no violent contact with the driver's skin, resulting in the occlusion of his sweat hair and the inability to effectively discharge heat. At the same time, the outer blades 8001 arranged in the outer circle will generate slightly stronger wind force to make up for the situation that the inner circle wind force is soft but the wind effect is insufficient. At the same time, the angles of the inner blade 8005 and the outer blade 8001 in the blade assembly 8 are different, so a mixed flow and supercharging effect will be formed in the front, so that the air supply distance of the entire fan is farther, meeting people's use needs. At the same time, the multiple groups of guide grooves 8002 arranged on the trailing edge of the outer blade 8001 can effectively comb the turbulence caused by the gas flow adhering to the tail of the outer blade 8001 when the gas rotates at high speed without losing the air volume performance, improve the conversion of gas flow into laminar flow, achieve the effect of reducing noise, make the noise generated when the entire fan is working lower, and avoid causing the driver's irritability. Before using the fan, the driver can first rotate the ring sleeve 7007 clockwise. During the rotation of the ring sleeve 7007, The gear ring frame 7010 inside it can be driven to rotate. The rotation of the gear ring frame 7010 can drive the first gear plate 7013 meshed with it to rotate. During the rotation of the first gear plate 7013, the rotating column 7011 can be driven to rotate. During the rotation of the rotating column 7011, the second gear plate 7014 can be driven to rotate. The rotation of the second gear plate 7014 can drive the third gear plate 7015 meshed with it to rotate. During the rotation of the third gear plate 7015, the threaded rod 7012 fixed on the inner wall thereof can be driven to rotate. The rotation of the threaded rod 7012 can make the threaded sleeve 7018 meshed on the outer wall thereof do vertical movement, thereby driving the horizontal plate 7021 and the lock hook 7001 on one side thereof to move from the fixed cylinder 7021 to the fixed cylinder 7021. 004 is moved out, and then the driver hooks one end of the locking hook 7001 on the grille of the air-conditioning outlet and rotates the ring sleeve 7007 counterclockwise, thereby driving the locking hook 7001 to the inside of the fixed cylinder 7004. As the locking hook 7001 is continuously retracted until the ring sleeve 7007 cannot be rotated, the entire electric fan can be locked at the air-conditioning outlet. When the driver uses the electric fan, in order to adjust the blowing angle of the fan, the driver can pull the entire fan, and the rotation of the fan as a whole can drive the shaft to rotate, and the rotation of the shaft can drive the rotating wheel 6004 to rotate. During the rotation of the rotating wheel 6004, the ratchet 6008 pressed against the inside of the card slot 6003 will be lifted, thereby releasing the limiting effect of the ratchet 6008.When the driver adjusts the electric fan to a suitable blowing angle and stops it, the compressed spring 6007 will immediately reset and re-enter the ratchet 6008 into the corresponding slot 6003, thus fixing the shaft and the electric fan, preventing the electric fan from rotating when there is no external human adjustment, and ensuring the stability of the electric fan during operation.

[0048] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A vehicle-mounted electric fan, comprising a rear cover (1), characterized in that: One end of the rear cover (1) is fixedly connected to a panel (2), one side outer wall of the panel (2) is connected to a front cover (3) via bolts, one side outer wall of the front cover (3) is provided with a circular groove, the inside of the circular groove is fixedly connected to flow dividers (4) distributed in a circular shape at equal distances, and the cross section of the flow divider (4) is arc-shaped; An air inlet groove (5) is provided on the circumferential outer wall of the rear cover (1), a fixing frame (10) is fixedly connected to the circumferential inner wall of the rear cover (1), a motor (9) is fixedly connected inside the fixing frame (10), and a blade assembly (8) is provided at the output end of the motor (9); The circumferential outer wall of the rear cover (1) is provided with an adjustment component (6); A locking assembly (7) is provided at one end of the rear cover (1) away from the front cover (3).

2. The vehicle-mounted electric fan according to claim 1, characterized in that: The blade assembly (8) comprises a shaft sleeve (8004) arranged inside the rear cover (1); the cross section of the shaft sleeve (8004) is an isosceles trapezoid; the circumferential outer wall of the shaft sleeve (8004) is fixedly connected with inner blades (8005) distributed in a circular shape at equal distances; the inner blades (8005) are in a spiral arc shape; one end of the inner blade (8005) is fixedly connected with a fixing ring (8003); the circumferential outer wall of the fixing ring (8003) is fixedly connected with outer blades (8001) distributed in a circular shape at equal distances; one side of the outer blade (8001) is provided with guide grooves (8002) distributed in a circular shape at equal distances; the cross section of the guide groove (8002) is wavy.

3. The vehicle-mounted electric fan according to claim 2, characterized in that: The output end of the motor (9) is provided with a threaded groove (11), and a lock buckle (12) is fixedly connected to the circumferential outer wall of the output end of the motor (9), and the cross section of the lock buckle (12) is T-shaped. The circumferential inner wall of the shaft sleeve (8004) is provided with a lock groove, and the cross section of the lock groove is rectangular. The lock buckle (12) is clamped inside the lock groove, and the bottom outer wall of the shaft sleeve (8004) is in contact with one side outer wall of the lock buckle (12). The threaded groove (11) is threadedly connected with a fixing nut, and the outer wall of one side of the fixing nut is pressed against the outer wall of one end of the shaft sleeve (8004).

4. The vehicle-mounted electric fan according to claim 3, characterized in that: The adjustment assembly (6) comprises a rotating shaft fixedly connected to the circumferential outer wall of the rear cover (1), one end of the rotating shaft is fixedly connected to a rotating wheel (6004), a movable frame (6001) is arranged on one side of the rear cover (1), both ends of the movable frame (6001) are provided with circular holes, one end of the rotating shaft passes through a group of circular holes, a fixed cover (6002) is fixedly connected to the outer wall of one side of the movable frame (6001), and the rotating wheel (6004) is located on the fixed cover (6001). 002), the circumferential inner wall of the fixed cover (6002) is fixedly connected to a fixed plate (6005), one side of the fixed plate (6005) is rotatably connected to an end head (6006), the circumferential outer wall of the end head (6006) is fixedly connected to a pawl (6008), the circumferential outer wall of the rotating wheel (6004) is provided with equidistantly distributed slots (6003), and one end of the pawl (6008) is pressed against the inside of the slot (6003).

5. The vehicle-mounted electric fan according to claim 4, characterized in that: A spring (6007) is fixedly connected to the circumferential inner wall of the fixed cover (6002), and one end of the spring (6007) away from the circumferential inner wall of the fixed cover (6002) is fixedly connected to an outer wall of one side of the pawl (6008).

6. The vehicle-mounted electric fan according to claim 5, characterized in that: The number of the ratchet claws (6008) is four groups, and one end of the four groups of ratchet claws (6008) are tightly pressed against the inside of the slot (6003).

7. The vehicle-mounted electric fan according to claim 6, characterized in that: The locking assembly (7) comprises a fixing tube (7004) fixedly connected to an outer wall of one side of the movable frame (6001); a positioning seat (7003) is fixedly connected to the outer wall of one end of the fixing tube (7004); an anti-skid pad (7002) is bonded to the outer wall of one side of the positioning seat (7003); the number of the anti-skid pads (7002) is three groups; a through groove (7009) is provided on one side of the fixing tube (7004) and the positioning seat (7003); a locking hook (7001) is provided on one side of the positioning seat (7003); one end of the locking hook (7001) passes through the inside of the through groove (7009).

8. The vehicle-mounted electric fan according to claim 7, characterized in that: The inner wall of one side of the fixed cylinder (7004) is rotatably connected to a rotating column (7011), and the circumferential outer wall of the rotating column (7011) is respectively fixedly connected to a first gear plate (7013) and a second gear plate (7014), and the circumferential outer wall of the second gear plate (7014) is meshed with a third gear plate (7015), and the circumferential inner wall of the third gear plate (7015) is fixedly connected to a threaded rod (7012), and the circumferential outer wall of the threaded rod (7012) is meshed with a threaded sleeve (7018), and the outer wall of one side of the threaded sleeve (7018) is fixedly connected to a horizontal plate (7021), and the locking hook (700 1) One end passing through the through slot (7009) is fixedly connected to an outer wall of one side of the horizontal plate (7021); the circumferential outer wall of the first gear plate (7013) is meshed with a gear ring frame (7010); the circumferential outer wall of the gear ring frame (7010) is fixedly connected with a ring sleeve (7007); the ring sleeve (7007) is sleeved on the circumferential outer wall of the fixed cylinder (7004); the circumferential outer wall of the fixed cylinder (7004) is provided with an opening; one end of the first gear plate (7013) extends to the outside of the opening; the circumferential outer wall of the ring sleeve (7007) is provided with anti-skid grooves (7006) which are equidistantly distributed in a circular shape.

9. The vehicle-mounted electric fan according to claim 8, characterized in that: The circumferential outer wall of the fixed cylinder (7004) is fixedly connected with a ring plate (7005), and the number of the ring plates (7005) is two groups. The two groups of ring plates (7005) are respectively arranged at the two ends of the ring sleeve (7007), and one side outer wall of the two groups of ring plates (7005) is fixedly connected with a limit stop rod (7008), and one side outer wall of the limit stop rod (7008) is in contact with the circumferential outer wall of the ring sleeve (7007). The number of the limit stop rod (7008) is four groups, and the four groups of limit stop rods (7008) are equidistantly distributed in a circle on the outer wall of the ring sleeve (7007).

10. The vehicle-mounted electric fan according to claim 9, characterized in that: Both sides of the fixed cylinder (7004) are fixedly connected with guide rods (7019), the circumferential outer wall of the guide rod (7019) is sleeved with a guide cylinder (7020), one side outer wall of the guide cylinder (7020) is fixedly connected with a connecting frame (7016), and the connecting frame (7016) is fixedly connected to the horizontal plate (7021).

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