CN114690871A - External radiator suitable for notebook computer - Google Patents

Abstract

The invention discloses an external radiator suitable for a notebook computer, which comprises a base, wherein an installation shaft is movably installed at one end of the base in an embedded manner through a torsion spring, an installation seat is fixed in a heat dissipation groove, a gear seat is fixedly sleeved on an output shaft of a motor in a fixing manner, a toothed plate is meshed at the side of the gear seat, an installation toothed ring is meshed at the inner side of a toothed roller, air guide plates are installed on equidistant bearings on the inner wall of an inner cavity of the installation toothed ring, a bevel gear is positioned at the outer side of the installation toothed ring, a positioning groove is formed in the front end of the heat dissipation seat, a sealing cylinder is fixed at the left side position of the top of the heat dissipation seat, a rack is fixed at one end of a sealing piston plate, a pinion is arranged at the lower position of the rack, and a toothed column is meshed at the side of a movable gear. This external radiator suitable for notebook computer can carry out the multi-angle heat dissipation to notebook bottom, improves the radiating effect, can further liquid cooling of self-adaptation when the high temperature simultaneously.

Description

External radiator suitable for notebook computer

Technical Field

The invention relates to the technical field of external radiators, in particular to an external radiator suitable for a notebook computer.

Background

The notebook computer is convenient to carry due to small volume and is widely used, but in the use of the notebook computer, because the mainboard, the cpu and other components are concentrated in a small area, a large amount of heat can be generated in the process of operation, the effect of the heat dissipation equipment is not good, and an external radiator is required to be used for assisting in heat dissipation, but the existing external radiator has the following problems in use

The use of notebook computer, the heat is mostly concentrated on the bottom position, dispel the heat through external radiator and can effectively reduce inside temperature, but current external radiator is when dispelling the heat, inconvenient bottom to notebook computer carries out comprehensive even heat dissipation, mostly utilize several fans to dispel the heat, it has the limitation to lead to the heat dissipation region, if use too much fan then increase the consumption of electric energy, simultaneously when the higher weather of temperature uses, external radiator's radiating effect is still not good, the notebook heat is maintained at a higher temperature easily, current external radiator, inconvenient temperature response and the further heat dissipation of self-adaptation carry out handles, the inside spare part of notebook computer influences life owing to the temperature lasts higher.

In order to solve the problems, innovative design is urgently needed on the basis of the original external radiator.

Disclosure of Invention

The invention aims to provide an external radiator suitable for a notebook computer, and aims to solve the problems that the conventional external radiator in the background art is inconvenient to carry out comprehensive and uniform heat dissipation on the bottom of the notebook computer and is inconvenient to carry out temperature sensing and self-adaptive further heat dissipation treatment.

In order to achieve the purpose, the invention provides the following technical scheme: an external radiator suitable for a notebook computer comprises a base, wherein one end of the base is movably provided with an installation shaft in an embedded mode through a torsion spring, a radiating seat is sleeved on the installation shaft, a radiating groove is formed in the radiating seat in a penetrating mode, an installation seat is fixed in the radiating groove, a motor is fixed at the bottom of the installation seat, and the output end of the motor is connected with fan blades;

further comprising:

the tooth holder is fixedly sleeved on an output shaft of the motor and located between the mounting seat and the fan blades, the outer side of the tooth holder is embedded and movably mounted on the inner wall of the heat dissipation groove, the side of the tooth holder is meshed with the toothed plate, the top of the toothed plate is fixedly provided with the toothed roller, the toothed roller and the toothed plate are both embedded and movably mounted in the heat dissipation groove, the inner side of the toothed roller is meshed with the mounting toothed ring, the mounting toothed ring is embedded and movably mounted on the inner wall of the heat dissipation groove and located above the fan blades, the inner wall of the inner cavity of the mounting toothed ring is provided with air guide plates in an equidistant bearing mode, one end of each air guide plate is sleeved with a toothed sleeve which is meshed with each other, the toothed sleeve is embedded and mounted inside the mounting toothed ring, one end of the middle air guide plate is fixedly provided with a bevel gear which is located on the outer side of the mounting toothed ring, and a bevel gear ring is meshed with the upper portion of the bevel gear, the conical gear ring is fixed in a cavity in the heat dissipation seat, a positioning groove is formed in the front end of the heat dissipation seat, a positioning rod is arranged in the positioning groove, the positioning rod is sleeved on the screw in a threaded manner, the screw embedded bearing is installed on the inner wall of the front end of the base, and the screw drives the positioning rod to fit and slide in the front end of the base;

the sealing cylinder is fixed at the left side position of the top of the heat radiating seat, a sealing piston plate is arranged in the sealing cylinder in a fitting manner, a sealing sleeve is fixedly sleeved at the opening end of the sealing cylinder, a rack is fixed at one end of the sealing piston plate, one end of the rack is positioned outside the sealing cylinder, one end of the rack is connected with the sealing sleeve through an elastic telescopic rod, a pinion is arranged below the rack, a gear wheel is meshed at the bottom of the pinion, and the gear wheel is fixedly sleeved on the mounting shaft;

a liquid storage cavity which is arranged inside the base, a cover plate is fixed on the inner wall of the liquid storage cavity, and the lower part of the cover plate is fixedly jointed with an air guide pipe, one end of the air guide pipe is positioned at the outer side of the base, a sealing plate is arranged above the cover plate, the sealing plate is fixed on the inner wall of the base, the middle part of the sealing plate is provided with an air outlet, a baffle is embedded and movably arranged on the inner wall of the air outlet, a movable gear is embedded and movably arranged in the sealing plate, the bottom of the movable gear is provided with a guide groove, a guide rod is connected in the guide groove and fixed at the edge of the top of the baffle plate, a toothed column is meshed at the side of the movable gear and is movably arranged in the sealing plate in an embedded manner through a second spring, and one end of the tooth column is connected with the bottom of the heat dissipation seat through a pull rope, and the pull rope penetrates through the base.

Preferably, the air guide sheets are rotatably mounted in the mounting gear ring through the engagement of the bevel gear and the bevel gear ring, the mounting gear ring and the gear seat share the same central axis, and the air guide sheets guide the wind direction when revolving and rotating along with the mounting gear ring, so that the bottom of the notebook computer is uniformly cooled.

Preferably, the rack is installed with the sealing barrel in an elastic sliding mode through the elastic telescopic rod, the filling materials in the sealing barrel are mercury, the rack and the pinion are meshed with each other, when the temperature of the air outlet position of the notebook computer is too high, the mercury in the sealing barrel expands due to heating, the rack is pushed to move, and then the rack, the pinion and the bull gear drive the heat dissipation seat to rotate downwards.

Preferably, the left side and the right side in the middle of the cover plate are designed in a hollow structure, the hollow part on the cover plate corresponds to the distribution position of the air outlet, and the air outlet corresponds to the distribution position of the radiating groove, so that cold air in the air guide pipe can be blown to the air outlet and the radiating groove through the hollow part in the middle of the cover plate.

Preferably, the central axis of guide duct about the air outlet is the angular distribution such as, and the outer end of guide duct has the shutoff piece through first spring elastic mounting to the middle part of guide duct is sinuous structural design, and a plurality of guide ducts increase the air supply volume, and the cooperation shutoff piece carries out the shutoff to the guide duct simultaneously, makes the inside air can be cooled down by the low temperature fluid of stock solution intracavity.

Preferably, the outer end of blocking piece is round platform shape structural design, and unsmooth cooperation between the outer end of blocking piece and the outer port of guide duct to the diameter of blocking piece inner is less than the internal diameter of guide duct, and when the motor drove the fan operation, with the cold wind guide back of going out in the guide duct, produces the negative pressure in the guide duct and drives the blocking piece activity, makes the outside air get into the interior circulation of guide duct and cool down.

Preferably, the baffles are fan-shaped structures, four baffles are distributed in the air outlet at equal angles, the sum of the cross-sectional areas of the front ends of the four baffles is equal to the cross-sectional area of the air outlet, the air outlet is blocked by the baffles, the bottom of the sealing plate is kept in a closed space, and the influence of external hot air on internal oil is avoided.

Preferably, the guide groove is slidably mounted on the guide rod, the guide groove is distributed on the movable gear in an inclined arc structure, and the movable gear rotates to drive the baffle to move through the guide groove and the guide rod, so that the air outlet is opened and closed.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the multi-angle heat dissipation mechanism is arranged, the motor drives the fan and the tooth holder to rotate, the tooth plate and the tooth roller are driven to rotate by the tooth holder, the installation tooth ring and the air guide pieces are driven to rotate by the tooth roller, meanwhile, the bevel gear at one end of the air guide pieces is meshed with the bevel tooth ring and is matched with the tooth sleeves among the air guide pieces, the revolution and the rotation of the air guide pieces are realized, the air direction is guided, the multi-angle comprehensive heat dissipation treatment on the bottom of the notebook computer is realized, the efficient heat dissipation effect can be finished without using excessive fan components, less heat can be generated by a small amount of motors while the electric energy consumption is reduced, and the heat dissipation efficiency is further improved;

2. the invention is provided with a temperature sensing further heat dissipation mechanism, when the temperature derived from the air outlet position of the notebook computer is too high, mercury in a sealing cylinder expands to push a rack to move to a pinion, the pinion drives a gearwheel and a mounting shaft to rotate, and further drives a heat dissipation seat to move downwards, so that the heat dissipation seat is close to a sealing plate, on the basis of loosening of a pull rope, a second spring pulls a toothed column to move to drive a movable gear to rotate, under the action of a guide groove and a guide rod, the four sealing plates are driven to move synchronously, the position of an air outlet is exposed, air in an air guide pipe cooled by low-temperature oil in advance is extracted by matching with the rotation of fan blades, meanwhile, the heat dissipation groove corresponds to the position of the air outlet, cold air dispersion is avoided, the notebook computer is further cooled by blowing a mass of cold air into the notebook computer, and simultaneously, the air in the air guide pipe is extracted to generate negative pressure along with the continuous operation of the fan blades, the pressure pulls the plugging block to move, the circulation of the air guide pipe and external air is realized, the air guide pipe with a winding structure is matched with low-temperature oil liquid to cool air, the notebook computer is convenient to continuously cool, mercury can shrink along with the reduction of the temperature of the notebook computer, the rack resets by matching with the use of an elastic telescopic rod, the resetting of the heat dissipation seat is realized, at the moment, under the action of the tooth column, the baffle resets to plug the air outlet, the sealing of the bottom of the sealing plate and the liquid storage cavity is convenient, the natural cooling of the internal oil liquid and the air is further convenient, the next use is convenient, meanwhile, when the rack is not meshed with the pinion at low temperature, the notebook computer can be manually pressed to realize further heat dissipation treatment, the use is flexible, the traditional liquid cooling is realized, the effect can be gradually lost along with the passage of time and heat exchange, and refrigeration equipment needs to be added, the invention adaptively senses the high temperature of the notebook computer on the basis of air cooling heat dissipation, further dissipates the heat of the notebook computer by utilizing liquid cooling and air cooling, does not need refrigeration equipment, and provides low-temperature oil liquid with a cooling time at a common temperature through automatic interval type multistage cooling, thereby providing air with lower temperature under the high-temperature condition, realizing the containment of the high temperature of the notebook computer and prolonging the service life of the notebook computer.

Drawings

FIG. 1 is a schematic side sectional view of the present invention;

FIG. 2 is a schematic front sectional view of the heat sink of the present invention;

FIG. 3 is a schematic top view of the tooth holder of the present invention;

FIG. 4 is a schematic top cross-sectional view of the present invention;

FIG. 5 is a schematic view of a top view distribution structure of an air guide duct according to the present invention;

FIG. 6 is a schematic side sectional view of the air guide duct of the present invention;

FIG. 7 is a schematic top view of the cover plate according to the present invention;

FIG. 8 is a schematic top sectional view of a loose gear of the present invention;

FIG. 9 is a schematic side sectional view of the baffle of the present invention;

FIG. 10 is a schematic top view of a baffle according to the present invention.

In the figure: 1. a base; 2. installing a shaft; 3. a heat dissipation base; 4. a heat sink; 5. a mounting seat; 6. a motor; 7. a fan blade; 8. a tooth holder; 9. a toothed plate; 10. a toothed roller; 11. mounting a toothed ring; 12. a wind guide sheet; 121. a gear sleeve; 13. a bevel gear; 14. a conical gear ring; 15. a sealing cylinder; 151. a sealing piston plate; 16. sealing sleeves; 17. an elastic telescopic rod; 18. a rack; 19. a pinion gear; 20. a bull gear; 21. a liquid storage cavity; 22. a cover plate; 23. an air guide pipe; 231. a first spring; 232. a plugging block; 24. closing plates; 241. an air outlet; 25. a baffle plate; 26. a movable gear; 27. a guide groove; 28. a guide bar; 29. a second spring; 30. a tooth post; 31. pulling a rope; 32. a screw; 33. positioning a rod; 34. and (6) positioning a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-10, the present invention provides a technical solution: an external radiator suitable for a notebook computer comprises a base 1, a mounting shaft 2, a radiating seat 3, a radiating groove 4, a mounting seat 5, a motor 6, fan blades 7, a tooth seat 8, a toothed plate 9, a toothed roller 10, a mounting toothed ring 11, an air guide sheet 12, a toothed sleeve 121, a bevel gear 13, a bevel toothed ring 14, a sealing cylinder 15, a sealing piston plate 151, a sealing sleeve 16, an elastic telescopic rod 17, a rack 18, a pinion 19, a bull gear 20, a liquid storage cavity 21, a cover plate 22, an air guide pipe 23, a first spring 231, a sealing block 232, a sealing plate 24, an air outlet 241, a baffle plate 25, a movable gear 26, a guide groove 27, a guide rod 28, a second spring 29, a toothed column 30, a pull rope 31, a screw rod 32, a positioning rod 33 and a positioning groove 34;

example 1

Referring to fig. 1-4, the portable electronic device comprises a base 1, wherein an installation shaft 2 is movably installed at one end of the base 1 in an embedded manner through a torsion spring, a heat dissipation seat 3 is sleeved on the installation shaft 2, a heat dissipation groove 4 is formed in the heat dissipation seat 3 in a penetrating manner, an installation seat 5 is fixed in the heat dissipation groove 4, a motor 6 is fixed at the bottom of the installation seat 5, and the output end of the motor 6 is connected with a fan blade 7; the tooth holder 8 is fixedly sleeved on an output shaft of the motor 6, the tooth holder 8 is positioned between the mounting seat 5 and the fan blade 7, the outer side of the tooth holder 8 is embedded and movably mounted on the inner wall of the heat dissipation groove 4, the side of the tooth holder 8 is meshed with the toothed plate 9, the top of the toothed plate 9 is fixedly provided with the toothed roller 10, the toothed roller 10 and the toothed plate 9 are both embedded and movably mounted in the heat dissipation seat 3, the inner side of the toothed roller 10 is meshed with the mounting toothed ring 11, the mounting toothed ring 11 is embedded and movably mounted on the inner wall of the heat dissipation groove 4, the mounting toothed ring 11 is positioned above the fan blade 7, the inner wall of the inner cavity of the mounting toothed ring 11 is provided with the air guide plates 12 at equal intervals by bearings, one end of the air guide plates 12 is sleeved with the mutually meshed toothed sleeve 121 and the toothed sleeve 121 is embedded and mounted inside the mounting toothed ring 11, one end of the middle air guide plate 12 is fixedly provided with the bevel gear 13, and the bevel gear 13 is positioned outside the mounting toothed ring 11, a bevel gear ring 14 is meshed above the bevel gear 13, the bevel gear ring 14 is fixed in a cavity inside the heat radiating seat 3, a positioning groove 34 is formed in the front end of the heat radiating seat 3, a positioning rod 33 is placed in the positioning groove 34, the positioning rod 33 is sleeved on the screw rod 32 in a threaded manner, the screw rod 32 is mounted on the inner wall of the front end of the base 1 in an embedded type bearing manner, and the screw rod 32 drives the positioning rod 33 to slide in a fit manner inside the front end of the base 1; the air guide pieces 12 are rotatably mounted in the mounting gear ring 11 through the meshing of the bevel gear 13 and the bevel gear ring 14, the mounting gear ring 11 and the gear seat 8 share the same central axis, when the motor 6 drives the fan blades 7 to rotate for heat dissipation, the gear seat 8, the toothed plate 9 and the toothed roller 10 drive the mounting gear ring 11 to rotate, so that the mounting gear ring 11 drives the air guide pieces 12 to rotate, meanwhile, the bevel gear 13 on the air guide pieces 12 is meshed with the bevel gear ring 14 to realize the rotation of the air guide pieces 12, the circumferential guide is carried out on the wind direction, and further, the uniform and comprehensive heat dissipation is carried out on the bottom of the notebook computer;

example 2

Referring to fig. 1 and 5-10, the sealing cylinder 15 is fixed at the left side of the top of the heat sink 3, a sealing piston plate 151 is disposed in the sealing cylinder 15 in a fitting manner, a sealing sleeve 16 is fixedly sleeved at the opening end of the sealing cylinder 15, a rack 18 is fixed at one end of the sealing piston plate 151, one end of the rack 18 is located outside the sealing cylinder 15, one end of the rack 18 is connected with the sealing sleeve 16 through an elastic telescopic rod 17, a pinion 19 is disposed below the rack 18, a bull gear 20 is engaged with the bottom of the pinion 19, and the bull gear 20 is fixedly sleeved on the mounting shaft 2; a liquid storage cavity 21, the liquid storage cavity 21 is disposed inside the base 1, a cover plate 22 is fixed on the inner wall of the liquid storage cavity 21, a wind guide pipe 23 is fixedly attached below the cover plate 22, one end of the wind guide pipe 23 is located outside the base 1, a sealing plate 24 is disposed above the cover plate 22, the sealing plate 24 is fixed on the inner wall of the base 1, a wind outlet 241 is disposed in the middle of the sealing plate 24, a baffle 25 is movably mounted on the inner wall of the wind outlet 241 in an embedded manner, a movable gear 26 is movably mounted in the sealing plate 24 in an embedded manner, a guide groove 27 is disposed at the bottom of the movable gear 26, a guide rod 28 is connected in the guide groove 27, the guide rod 28 is fixed at the top edge of the baffle 25, a tooth column 30 is engaged with the side of the movable gear 26, the tooth column 30 is movably mounted in the sealing plate 24 in an embedded manner through a second spring 29, and one end of the tooth column 30 is connected with the bottom of the heat dissipation base 3 through a pull rope 31, the pull cord 31 penetrates the inside of the base 1; the rack 18 is elastically installed between the elastic telescopic rod 17 and the sealing cylinder 15 in a sliding manner, the filling material in the sealing cylinder 15 is mercury, and the rack 18 and the pinion 19 are meshed with each other; the left side and the right side of the middle part of the cover plate 22 are designed in a hollow structure, the hollow part on the cover plate 22 corresponds to the distribution position of the air outlet 241, and the air outlet 241 corresponds to the distribution position of the heat dissipation groove 4; the air guide pipe 23 is distributed at equal angles about the central axis of the air outlet 241, the outer end of the air guide pipe 23 is elastically provided with a blocking block 232 through a first spring 231, and the middle part of the air guide pipe 23 is designed in a serpentine structure; the outer end of the plugging block 232 is designed to be a round table structure, the outer end of the plugging block 232 is in concave-convex fit with the outer port of the air guide pipe 23, and the diameter of the inner end of the plugging block 232 is smaller than the inner diameter of the air guide pipe 23; four baffles 25 are distributed in the air outlet 241 in a fan-shaped structure at equal angles, and the sum of the cross-sectional areas of the front ends of the four baffles 25 is equal to the cross-sectional area of the air outlet 241; the guide groove 27 is slidably mounted on the guide rod 28, and the guide groove 27 is distributed on the movable gear 26 in an inclined arc structure; when the temperature of the air outlet position of the notebook computer is higher, hot air is blown to the sealing cylinder 15, so that the internal mercury expands when heated, the sealing piston plate 151 and the rack 18 are driven to rotate, the mounting shaft 2 and the heat radiating seat 3 are driven to rotate downwards by the pinion 19 and the bull gear 20, the pull rope 31 is loosened, the tooth column 30 is reset under the action of the second spring 29, the movable gear 26 is driven to rotate, the baffle 25 is driven to move by the guide groove 27 and the guide rod 28, the air outlet 241 is opened, cold air in the air guide pipe 23 is pumped out along with the rotation of the fan blade 7 to further cool the bottom of the notebook computer, meanwhile, negative pressure is generated in the air guide pipe 23 to drive the blocking block 232 to move, air circulation is realized, the air is cooled in real time through low-temperature oil in the liquid storage cavity 21, and further heat radiation operation on the bottom of the notebook computer is realized.

The working principle is as follows: when the external radiator suitable for the notebook computer is used, as shown in fig. 1-4, firstly, when in use, the screw rod 32 is rotated to drive the positioning rod 33 to move and separate from the positioning groove 34, at this time, the position of the heat radiating seat 3 is released, the mounting shaft 2 drives the heat radiating seat 3 to rotate out from the base 1 under the action of the torsion spring, so that the heat radiating seat 3 keeps an inclined state, then the notebook computer is placed on the heat radiating seat 3 for use, the motor 6 is started, the motor 6 on the mounting seat 5 drives the fan blades 7 to rotate, meanwhile, the motor 6 drives the tooth holder 8 to rotate, the tooth holder 8 drives the toothed plate 9 and the toothed roller 10 to rotate through the meshing with the toothed plate 9, the toothed roller 10 drives the mounting toothed ring 11 to rotate, the mounting toothed ring 11 drives the air guide plates 12 to revolve when rotating, the bevel gear 13 at one end of the middle air guide plate 12 is meshed with the bevel gear ring 14 to rotate, and the air guide plates 12 are matched with the gear sleeves 121 to realize synchronous rotation, so that the air guide pieces 12 can rotate per se while revolving along with the mounting gear ring 11 to guide air, and multi-angle comprehensive heat dissipation treatment on the bottom of the notebook computer is realized;

then, as shown in fig. 1 and fig. 5-10, if the temperature of the notebook computer is still higher, the air outlet position of the notebook computer faces the sealing cylinder 15, mercury inside the sealing cylinder 15 expands due to heat, pushing the sealing piston plate 151 and the rack 18 to move, the rack 18 moves to the pinion 19 to drive it to rotate, the pinion 19 drives the bull gear 20 and the mounting shaft 2 to rotate, and further drives the heat sink 3 to rotate downward, at this time, the pull rope 31 becomes loose, under the action of the second spring 29, the tooth column 30 moves upward to drive the movable gear 26 to rotate, the movable gear 26 drives the baffle 25 to move in the air outlet 241 through the guide groove 27 and the guide rod 28, so as to expose the position of the air outlet 241, at this time, during the continuous rotation of the fan blade 7, the cold air in the air guide pipe 23, which is cooled by the low-temperature oil in the liquid storage chamber 21 in advance, is pumped out, and is conveyed to the bottom of the notebook computer through the mounting ring gear 11 and the air guide sheet 12, the air in the air guide pipe 23 is pumped out to generate negative pressure, the plugging block 232 is pulled to move inwards, outside air can enter the air guide pipe 23, the air is timely cooled by matching the air guide pipe 23 with a winding structure with low-temperature oil liquid and is continuously conveyed to the bottom of the notebook computer, when the temperature of the notebook computer is reduced, the volume of mercury in the sealing cylinder 15 is shrunk, under the action of the elastic telescopic rod 17, the rack 18 pushes the sealing piston plate 151 to move back to drive the heat dissipation seat 3 to continue to rotate upwards, the toothed column 30 is pulled to move, the baffle plate 25 can be reset to shield the air outlet 241 again, the plugging block 232 is reset under the action of the first spring 231 to shield one end of the air guide pipe 23, at the moment, the liquid storage cavity 21 is sealed through the sealing plate 24, the air and the oil liquid in the interior are naturally cooled, and the next further heat dissipation operation is facilitated, meanwhile, when the temperature is not very high and the rack 18 is not in contact with the pinion 19, the notebook computer can be manually pressed to drive the heat dissipation seat 3 to move up and down, so that further cooling treatment can be realized.

Those not described in detail in this specification are prior art well known to those skilled in the art, and in the description of the present invention, "plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims (8)

1. An external radiator suitable for a notebook computer comprises a base (1), wherein an installation shaft (2) is movably installed at one end of the base (1) in an embedded mode through a torsion spring, a heat dissipation seat (3) is sleeved on the installation shaft (2), a heat dissipation groove (4) is formed in the heat dissipation seat (3) in a penetrating mode, an installation seat (5) is fixed in the heat dissipation groove (4), a motor (6) is fixed at the bottom of the installation seat (5), and fan blades (7) are connected to the output end of the motor (6);

the method is characterized in that: further comprising:

the fan blade structure comprises a toothed seat (8), wherein the toothed seat (8) is fixedly sleeved on an output shaft of a motor (6), the toothed seat (8) is located between a mounting seat (5) and fan blades (7), the outer side of the toothed seat (8) is embedded and movably mounted on the inner wall of a radiating groove (4), a toothed plate (9) is meshed with the side of the toothed seat (8), a toothed roller (10) is fixed at the top of the toothed plate (9), the toothed roller (10) and the toothed plate (9) are both embedded and movably mounted in the radiating seat (3), an installation toothed ring (11) is meshed with the inner side of the toothed roller (10), the installation toothed ring (11) is embedded and movably mounted on the inner wall of the radiating groove (4), the installation toothed ring (11) is located above the fan blades (7), air guide plates (12) are mounted on equidistant bearings on the inner wall of an inner cavity of the installation toothed ring (11), and one end of each air guide plate (12) is sleeved with a toothed sleeve (121) which is meshed with each other, the tooth sleeve (121) is installed inside the installation tooth ring (11) in an embedded mode, a bevel gear (13) is fixed to one end of the middle air guide sheet (12), the bevel gear (13) is located on the outer side of the installation tooth ring (11), a bevel tooth ring (14) is meshed above the bevel gear (13), the bevel tooth ring (14) is fixed in a cavity inside the heat dissipation seat (3), a positioning groove (34) is formed in the front end of the heat dissipation seat (3), a positioning rod (33) is placed in the positioning groove (34), the positioning rod (33) is sleeved on the screw rod (32) in a threaded mode, the screw rod (32) is installed on the inner wall of the front end of the base (1) in an embedded mode, and meanwhile the screw rod (32) drives the positioning rod (33) to slide in the front end of the base (1) in an attached mode;

the sealing cylinder (15) is fixed at the left side position of the top of the heat radiating seat (3), a sealing piston plate (151) is placed in the sealing cylinder (15) in a fitting mode, a sealing sleeve (16) is fixedly sleeved at the opening end of the sealing cylinder (15), a rack (18) is fixed at one end of the sealing piston plate (151), one end of the rack (18) is located outside the sealing cylinder (15), one end of the rack (18) is connected with the sealing sleeve (16) through an elastic telescopic rod (17), a pinion (19) is arranged below the rack (18), the bottom of the pinion (19) is meshed with a bull gear (20), and the bull gear (20) is fixedly sleeved on the mounting shaft (2);

the liquid storage device comprises a liquid storage cavity (21), the liquid storage cavity (21) is arranged inside a base (1), a cover plate (22) is fixed on the inner wall of the liquid storage cavity (21), a wind guide pipe (23) is fixedly attached to the lower portion of the cover plate (22), one end of the wind guide pipe (23) is located on the outer side of the base (1), a sealing plate (24) is arranged above the cover plate (22), the sealing plate (24) is fixed on the inner wall of the base (1), a wind outlet (241) is formed in the middle of the sealing plate (24), a baffle (25) is movably installed on the inner wall of the wind outlet (241) in an embedded mode, a movable gear (26) is movably installed in the sealing plate (24), a guide groove (27) is formed in the bottom of the movable gear (26), a guide rod (28) is connected in the guide groove (27), and the guide rod (28) is fixed on the edge of the top of the baffle (25), the side of the movable gear (26) is meshed with a toothed column (30), the toothed column (30) is movably installed inside the sealing plate (24) in an embedded mode through a second spring (29), one end of the toothed column (30) is connected with the bottom of the heat radiating seat (3) through a pull rope (31), and the pull rope (31) penetrates through the inside of the base (1).

2. The external heat sink suitable for the notebook computer as claimed in claim 1, wherein: the air guide sheets (12) are rotatably mounted in the mounting gear ring (11) through the meshing of the bevel gear (13) and the bevel gear ring (14), the mounting gear ring (11) and the gear seat (8) share a central axis.

3. The external heat sink suitable for the notebook computer as claimed in claim 1, wherein: the rack (18) is elastically installed between the elastic telescopic rod (17) and the sealing cylinder (15) in a sliding mode, the filling material in the sealing cylinder (15) is mercury, and the rack (18) and the pinion (19) are meshed with each other.

4. The external heat sink suitable for the notebook computer as claimed in claim 1, wherein: the left side and the right side in the middle of the cover plate (22) are designed in a hollow structure, the hollow part on the cover plate (22) corresponds to the distribution position of the air outlet (241), and the air outlet (241) corresponds to the distribution position of the heat dissipation groove (4).

5. The external heat sink suitable for the notebook computer as claimed in claim 1, wherein: the air guide pipe (23) is distributed at equal angles relative to the central axis of the air outlet (241), a plugging block (232) is elastically installed at the outer end of the air guide pipe (23) through a first spring (231), and the middle of the air guide pipe (23) is designed to be of a winding structure.

6. The external heat sink suitable for the notebook computer as claimed in claim 5, wherein: the outer end of the plugging block (232) is designed to be a circular truncated cone-shaped structure, the outer end of the plugging block (232) is matched with the outer port of the air guide pipe (23) in a concave-convex mode, and the diameter of the inner end of the plugging block (232) is smaller than the inner diameter of the air guide pipe (23).

7. The external heat sink suitable for the notebook computer as claimed in claim 1, wherein: the four baffles (25) are of fan-shaped structures and are distributed in the air outlet (241) at equal angles, and the sum of the cross-sectional areas of the front ends of the four baffles (25) is equal to the cross-sectional area of the air outlet (241).

8. The external heat sink suitable for the notebook computer as claimed in claim 1, wherein: the guide grooves (27) are installed on the guide rod (28) in a sliding mode, and the guide grooves (27) are distributed on the movable gear (26) in an inclined arc-shaped structure.

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