Turbofan supercharged structure and assembly method

Abstract

The present invention relates to the field of fan technology, specifically a turbofan supercharged structure and assembly method, which solves the problem that the existing floor-standing fan uses a single fan for blowing air, the airflow intensity is not high, the air volume and air pressure blown out are limited, and the long-distance blowing of the airflow cannot be satisfied. The structure includes a drive mounting mechanism, a dual-fan mechanism and a connecting transmission mechanism, the bottom end of the drive mounting mechanism is installed with a fan support mechanism, the front end of the drive mounting mechanism is installed with a dual-fan mechanism, the inner side of the middle of the dual-fan mechanism is installed with a connecting transmission mechanism, the drive mounting mechanism includes a motor, the front end of the motor is fixedly installed with a ventilation cover, and the inner side of the motor is rotatably connected to a transmission shaft. By setting a double-layer fan, the present invention can perform secondary supercharging on the airflow while performing opposite rotation, thereby effectively improving the airflow intensity, and thus can enhance the air volume and blowing distance blown out.

Description

Technical Field

[0001] The present invention relates to the technical field of fans, and in particular to a turbofan supercharged structure and an assembly method. Background Art

[0002] Floor fans are characterized by high air volume and low noise levels. Their primary function is ventilation and heatstroke prevention. They are typically placed on the floor and are suitable for a variety of locations, including warehouses, workshops, restaurants, homes, basements, and dining rooms. Their high air volume and low noise levels effectively improve the environment, providing comfortable temperature and air circulation. They also feature a compact and rational structure, low energy consumption, reliable performance, and ease of use.

[0003] The existing floor fans use a single fan for blowing air, and the airflow intensity is not high, which limits the air volume and pressure, and cannot meet the long-distance blowing of the airflow; therefore, it does not meet the existing needs. We have proposed a turbofan supercharged structure and assembly method. Summary of the Invention

[0004] The purpose of the present invention is to provide a turbofan supercharged structure and assembly method to solve the problem raised in the above background technology that the existing floor fans use a single fan to blow air, the air flow intensity is not high, the air volume and pressure blown out are limited, and the long-distance blowing of the air cannot be met.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a turbofan supercharged structure, comprising a drive mounting mechanism, a dual-fan mechanism, and a connecting transmission mechanism, wherein a fan support mechanism is mounted at the bottom end of the drive mounting mechanism, a dual-fan mechanism is mounted at the front end of the drive mounting mechanism, a connecting transmission mechanism is mounted on the inner side of the middle portion of the dual-fan mechanism, the drive mounting mechanism includes a motor, a ventilation cover is fixedly mounted at the front end of the motor, and a transmission shaft is rotatably connected to the inner side of the motor;

[0006] The dual-fan mechanism includes a rear mesh cover, a mesh cover locking ring is installed in the middle of the front end of the rear mesh cover, the rear mesh cover and the ventilation cover are fixedly connected by the mesh cover locking ring, a gear mounting seat is rotatably connected between the rear mesh cover and the mesh cover locking ring, the front end of the gear mounting seat is rotatably connected to three planetary gears, a central gear is installed between the three planetary gears, a transmission ring gear is installed on the outer side of the three planetary gears, a transmission block is installed in the middle of the rear end face of the central gear, a reverse fan frame is installed on the outer side of the transmission ring gear, a forward fan frame is installed in front of the reverse fan frame, a locking cover is installed in the middle of the front end face of the forward fan frame, and a front mesh cover is installed on the side of the rear mesh cover;

[0007] The connecting transmission mechanism includes a second limiting sleeve, a spline hole is provided on the inner side of the front end of the second limiting sleeve, a positioning sleeve is installed on the inner side of the spline hole, a first limiting sleeve is installed on the front end of the positioning sleeve, a connecting threaded sleeve is installed on the outer side of the first limiting sleeve and the positioning sleeve, and a positioning rod is installed on the inner side of the middle part of the first limiting sleeve.

[0008] Preferably, the fan support mechanism includes a chassis seat, a plurality of supporting foot rods are installed at the bottom end of the chassis seat, a connecting sleeve rod is installed at the upper end of the chassis seat, a telescopic rod is installed on the inner side of the connecting sleeve rod, locking sleeves are installed on the outer side of the bottom end of the connecting sleeve rod and the outer side of the upper end of the telescopic rod, a control operation shell is installed at the upper end of the telescopic rod, and a control switch is installed on the inner side of the control operation shell.

[0009] Preferably, the drive mounting mechanism further comprises a ventilation hood fixedly connected to the ventilation cover, a connecting seat is installed at the bottom end of the ventilation hood, a locking knob is installed on one side of the connecting seat, and a positioning strip is provided in the middle of the transmission shaft.

[0010] Preferably, the bottom end of the connecting sleeve rod passes through one of the locking sleeves and is inserted into the inner side of the upper end of the chassis seat, the upper end of the chassis seat is connected to the locking sleeve by a threaded connection, the bottom end of the connecting sleeve rod is fixedly connected to the chassis seat by one of the locking sleeves, the bottom end of the telescopic rod is connected to the connecting sleeve rod by a threaded connection, the upper end of the telescopic rod passes through another locking sleeve and is inserted into the inner side of the bottom end of the control operation shell, the locking sleeve is connected to the telescopic rod by a threaded connection, and the upper end of the telescopic rod is fixedly connected to the control operation shell by another locking sleeve.

[0011] Preferably, one end of the locking knob passes through the connecting seat and is connected to the control operating shell by a thread, the connecting seat is connected to the upper end of the control operating shell by a locking knob, the upper end of the connecting seat is fixed to the ventilation cover and the ventilation cover by screws, and the front end of the transmission shaft passes through the ventilation cover and is inserted between the rear mesh cover and the front mesh cover.

[0012] Preferably, the transmission block is connected to the transmission shaft through a positioning strip, the middle part of the center gear passes through the reverse fan frame and is inserted into the inner side of the rear end of the second limiting sleeve, the center gear and the second limiting sleeve are connected through a flat key, a bearing is provided between the second limiting sleeve and the reverse fan frame, and the reverse fan frame is fixedly connected to the center gear.

[0013] Preferably, the front end of the transmission shaft passes through the forward fan frame and is threadedly connected to the locking cover, the front end surface of the first limiting sleeve is in close contact with the forward fan frame, one end of the positioning rod passes through the first limiting sleeve and is threadedly connected to the transmission shaft, the first limiting sleeve is fixedly connected to the transmission shaft through the positioning rod, the forward fan frame and the transmission shaft are fixedly connected through the locking cover and the first limiting sleeve, and the connecting threaded sleeve is threadedly connected to the positioning sleeve and the spline hole.

[0014] Preferably, the central gear, transmission ring gear and three planetary gears form a gear set, the three planetary gears are connected to the central gear and transmission ring gear through inter-tooth meshing, the transmission ring gear is fixedly connected to the transmission shaft, and the three planetary gears are connected to the rear mesh cover through a gear mounting seat.

[0015] Preferably, the forward fan rack and the reverse fan rack have opposite rotation directions, a plurality of blades are provided on the outer sides of the forward fan rack and the reverse fan rack, and the blades on the forward fan rack and the reverse fan rack are installed in opposite directions.

[0016] A method for assembling a turbofan supercharged structure comprises the following steps:

[0017] S1: The telescopic rod is installed on the inner side of the connecting sleeve rod through a threaded connection, so that the bottom end of the connecting sleeve rod is locked and connected to the chassis base through one locking sleeve, and the upper end of the telescopic rod is locked and installed to the control operation shell through another locking sleeve. Then, the upper end of the control operation shell is locked and connected to the connecting base through a locking knob. A ventilation cover and ventilation hood are fixedly installed on the upper end of the connecting base, so that the ventilation cover and ventilation hood can fix and protect the motor;

[0018] S2: The transmission shaft on the inside of the motor passes through the ventilation cover and is inserted between the rear mesh cover and the front mesh cover, so that the rear mesh cover and the ventilation cover are locked and installed through the mesh cover locking ring. The installation height of the dual-fan mechanism can be adjusted by rotating the telescopic rod relative to the connecting sleeve. The gear mounting seat is placed on the front end surface of the rear mesh cover so that the three planetary gears are all fitted on the front end of the gear mounting seat. Then, the central gear fixed to the reverse fan frame is inserted into the inner side of the three planetary gears, and the transmission ring gear is placed on the outer side of the three planetary gears, so that the three planetary gears are connected to the central gear and the planetary gears through tooth meshing to form a gear set;

[0019] S3: The transmission block is positioned and connected to the transmission shaft through a positioning strip, so that the reverse fan frame can be limited by the second limiting sleeve and the transmission block, and at the same time, the rear end of the positioning sleeve is inserted into the inner side of the spline hole, and the connecting threaded sleeve is threadedly connected to the positioning sleeve and the spline hole, so that when the positioning rod positions and installs the first limiting sleeve, the first limiting sleeve, the positioning sleeve, and the spline hole can effectively maintain the installation stability of the forward fan frame and the reverse fan frame, and the locking cover is threadedly connected to the transmission shaft and locks the forward fan frame, and the connecting threaded sleeve is rotated relative to the first limiting sleeve, so that the distance between the positioning sleeve and the spline hole can be adjusted to meet the requirements of adjusting the distance between the forward fan frame and the reverse fan frame;

[0020] S4: Turn on the power supply and start the motor through the control switch, so that the motor, supported by the ventilation cover and the ventilation cover, synchronously drives the forward fan frame and the transmission ring gear to rotate through the transmission shaft, and then the transmission ring gear drives the central gear and the reverse fan frame to rotate in the opposite direction through the three planetary gears. Blades are provided on the outer sides of the forward fan frame and the reverse fan frame, and the blades on the forward fan frame and the reverse fan frame are installed in opposite directions.

[0021] S5: When the reverse fan rack is reversed at high speed relative to the forward fan rack through the gear set, the air behind the rear grille can be extracted and pressurized and transported forward. The pressurized airflow can then be transported forward through the forward fan rack. The forward and reverse fan racks achieve directional pressurization of the airflow, effectively increasing the overall air volume during operation and the blowing distance of the airflow, thereby enhancing the cooling effect.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. The present invention can adjust the installation height of the dual-fan mechanism by rotating the telescopic rod relative to the connecting sleeve rod. The three planetary gears are connected to the central gear and the planetary gears through inter-tooth meshing to form a gear set. The transmission block is positioned and connected to the transmission shaft by a positioning strip, so that the reverse fan frame can be limited by the second limiting sleeve and the transmission block. The first limiting sleeve, the positioning sleeve, and the spline hole can effectively maintain the installation stability of the forward fan frame and the reverse fan frame. The locking cover is threadedly connected to the transmission shaft and locks the forward fan frame. The connecting threaded sleeve rotates relative to the first limiting sleeve, thereby adjusting the distance between the positioning sleeve and the spline hole to meet the requirements of adjusting the distance between the forward fan frame and the reverse fan frame.

[0024] 2. The present invention drives the forward fan frame and the transmission ring gear to rotate synchronously through the transmission shaft of the motor, and then the transmission ring gear drives the central gear and the reverse fan frame to rotate in the opposite direction through three planetary gears. The blades on the forward fan frame and the reverse fan frame are installed in opposite directions, so that when the reverse fan frame is reversed at high speed relative to the forward fan frame through the gear set, the air behind the rear mesh cover can be extracted and pressurized and transported forward, and then the pressurized airflow can be transported forward through the forward fan frame. The directional pressurization of the airflow is achieved through the forward fan frame and the reverse fan frame, effectively increasing the air volume during overall operation, increasing the blowing distance of the airflow, and facilitating enhanced cooling effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic structural diagram of the present invention as a whole;

[0026] Figure 2 A rear side view of the present invention as a whole;

[0027] Figure 3 Schematic diagram of the exploded structure of the fan support mechanism of the present invention;

[0028] Figure 4 This is a schematic diagram of the exploded structure of the drive installation mechanism of the present invention;

[0029] Figure 5 This is a schematic diagram of the exploded structure of the dual-fan mechanism of the present invention;

[0030] Figure 6 Schematic diagram of the cross-sectional structure of the dual-fan mechanism of the present invention;

[0031] Figure 7 For the present invention Figure 6 Schematic diagram of the enlarged structure of area A in the middle;

[0032] Figure 8 Schematic diagram of the structure of the gear set of the present invention.

[0033] Figure: 1. Fan support mechanism; 101. Support foot; 102. Chassis base; 103. Connecting rod; 104. Telescopic rod; 105. Control operation shell; 106. Locking sleeve; 107. Control switch; 2. Drive mounting mechanism; 201. Connecting base; 202. Ventilation cover; 203. Locking knob; 204. Motor; 205. Drive shaft; 206. Ventilation cover; 207. Positioning strip; 3. Dual fan mechanism; 301. Rear grille ; 302, front mesh cover; 303, forward fan frame; 304, reverse fan frame; 305, mesh cover locking ring; 306, locking cover; 307, center gear; 308, transmission block; 309, planetary gear; 310, transmission ring gear; 311, gear mounting seat; 4, connecting transmission mechanism; 401, first limiting sleeve; 402, positioning rod; 403, positioning sleeve; 404, second limiting sleeve; 405, spline hole; 406, connecting threaded sleeve. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0035] The motor 204 (model YPY-60-4) mentioned in the present invention can be purchased from the market or customized.

[0036] See also Figures 1 to 3 , an embodiment of the present invention provides: a turbofan supercharged structure, including a drive mounting mechanism 2, a dual-fan mechanism 3 and a connecting transmission mechanism 4, a fan support mechanism 1 is installed at the bottom end of the drive mounting mechanism 2, and the fan support mechanism 1 includes a chassis base 102, a plurality of supporting foot rods 101 are installed at the bottom end of the chassis base 102, a connecting sleeve rod 103 is installed at the upper end of the chassis base 102, a telescopic rod 104 is installed on the inner side of the connecting sleeve rod 103, a locking sleeve 106 is installed on the outer side of the bottom end of the connecting sleeve rod 103 and the outer side of the upper end of the telescopic rod 104, a control operation shell 105 is installed on the upper end of the telescopic rod 104, a control switch 107 is installed on the inner side of the control operation shell 105, the fan support mechanism 1 facilitates the installation and support of the whole, and the control switch 107 is used for power control;

[0037] The bottom end of the connecting sleeve 103 passes through one of the locking sleeves 106 and is plugged into the inner side of the upper end of the chassis seat 102. The upper end of the chassis seat 102 is threadedly connected to the locking sleeve 106. The bottom end of the connecting sleeve 103 is fixedly connected to the chassis seat 102 through one of the locking sleeves 106. The bottom end of the telescopic rod 104 is threadedly connected to the connecting sleeve 103. The upper end of the telescopic rod 104 passes through another locking sleeve 106 and is plugged into the inner side of the bottom end of the control operation shell 105. The locking sleeve 106 is threadedly connected to the telescopic rod 104. The upper end of the telescopic rod 104 is fixedly connected to the control operation shell 105 through another locking sleeve 106. The installation height of the dual fan mechanism 3 can be adjusted by rotating the telescopic rod 104 relative to the connecting sleeve 103.

[0038] See also Figures 2 to 4 The driving installation mechanism 2 includes a motor 204, a ventilation cover 206 is fixedly installed at the front end of the motor 204, a transmission shaft 205 is rotatably connected to the inner side of the motor 204, and a positioning strip 207 is provided in the middle of the transmission shaft 205. The rear end face of the ventilation cover 206 is fixedly installed with a ventilation hood 202, and the bottom end of the ventilation hood 202 is installed with a connecting seat 201, and the upper end of the connecting seat 201 is fixed to the ventilation hood 202 and the ventilation cover 206 by screws. A locking knob 203 is installed on one side of the connecting seat 201, and one end of the locking knob 203 passes through the connecting seat 201 and is threadedly connected to the control operation shell 105. The connecting seat 201 is connected to the upper end of the control operation shell 105 through the locking knob 203, and the locking knob 203 is used to facilitate the adjustment and locking of the installation angle of the connecting seat 201.

[0039] See also Figures 1 to 8 , a dual-fan mechanism 3 is installed at the front end of the driving mounting mechanism 2, and the dual-fan mechanism 3 includes a rear mesh cover 301, a front mesh cover 302 is installed on the side of the rear mesh cover 301, the front end of the transmission shaft 205 passes through the ventilation cover 206 and is plugged into between the rear mesh cover 301 and the front mesh cover 302, a mesh cover locking ring 305 is installed in the middle of the front end of the rear mesh cover 301, the rear mesh cover 301 and the ventilation cover 206 are fixedly connected through the mesh cover locking ring 305, a gear mounting seat 311 is rotatably connected between the rear mesh cover 301 and the mesh cover locking ring 305, and three planetary gears 309 are rotatably connected to the front end of the gear mounting seat 311, which facilitates the three planetary gears 309 to realize planetary rotation during the transmission process through the gear mounting seat 311;

[0040] A central gear 307 is installed between the three planetary gears 309, and a transmission ring gear 310 is installed on the outer side of the three planetary gears 309. The central gear 307, the transmission ring gear 310 and the three planetary gears 309 constitute a gear set. The three planetary gears 309 are connected to the central gear 307 and the transmission ring gear 310 through tooth meshing. The transmission ring gear 310 is fixedly connected to the transmission shaft 205. The three planetary gears 309 are connected to the rear mesh cover 301 through a gear mounting seat 311. A transmission block 308 is installed in the middle of the rear end surface of the central gear 307. The transmission block 308 is connected to the transmission shaft 205 through a positioning insert 207. The positioning insert 207 can position the transmission block 308 to limit the axis of the central gear 307 by the transmission block 308.

[0041] A reverse fan frame 304 is installed on the outer side of the transmission ring gear 310, and the reverse fan frame 304 is fixedly connected to the central gear 307. A forward fan frame 303 is installed in front of the reverse fan frame 304. The forward fan frame 303 and the reverse fan frame 304 have opposite rotation directions. The outer sides of the forward fan frame 303 and the reverse fan frame 304 are both provided with multiple blades. The blades on the forward fan frame 303 and the reverse fan frame 304 are installed in opposite directions. A locking cover 306 is installed in the middle of the front end surface of the forward fan frame 303, and the front end of the transmission shaft 205 passes through the forward fan frame 303 and is threadedly connected to the locking cover 306. The forward fan frame 303 and the reverse fan frame 304 can achieve a two-level boosting operation of the airflow, effectively improving the airflow intensity.

[0042] See also Figure 6 and Figure 7 , a connecting transmission mechanism 4 is installed on the inner side of the middle of the dual fan mechanism 3, and the connecting transmission mechanism 4 includes a second limiting sleeve 404. The middle part of the central gear 307 passes through the reverse fan frame 304 and is plugged into the inner side of the rear end of the second limiting sleeve 404. The central gear 307 and the second limiting sleeve 404 are connected by a flat key. A bearing is provided between the second limiting sleeve 404 and the reverse fan frame 304. A spline hole 405 is provided on the inner side of the front end of the second limiting sleeve 404, and a positioning sleeve 4 is installed on the inner side of the spline hole 405. 03. A first limiting sleeve 401 is installed at the front end of the positioning sleeve 403. The front end surface of the first limiting sleeve 401 is in contact with the forward fan frame 303. One end of the positioning rod 402 passes through the first limiting sleeve 401 and is connected to the transmission shaft 205 by a thread. The first limiting sleeve 401 and the transmission shaft 205 are fixedly connected by the positioning rod 402. The first limiting sleeve 401, the positioning sleeve 403, and the spline hole 405 can effectively maintain the installation stability of the forward fan frame 303 and the reverse fan frame 304.

[0043] In addition, the forward fan frame 303 is fixedly connected to the transmission shaft 205 through the locking cover 306 and the first limiting sleeve 401. A connecting threaded sleeve 406 is installed on the outer side of the first limiting sleeve 401 and the positioning sleeve 403. The connecting threaded sleeve 406 is connected to the positioning sleeve 403 and the spline hole 405 through threads. A positioning rod 402 is installed on the inner side of the middle part of the first limiting sleeve 401. The connecting threaded sleeve 406 rotates relative to the first limiting sleeve 401, thereby adjusting the distance between the positioning sleeve 403 and the spline hole 405 to meet the requirements of adjusting the distance between the forward fan frame 303 and the reverse fan frame 304.

[0044] A method for assembling a turbofan supercharged structure comprises the following steps:

[0045] S1: Install the telescopic rod 104 on the inner side of the connecting sleeve 103 through a threaded connection, so that the bottom end of the connecting sleeve 103 is locked and connected to the chassis base 102 through one of the locking sleeves 106, and the upper end of the telescopic rod 104 is locked and installed with the control operation shell 105 through the other locking sleeve 106. Then, the upper end of the control operation shell 105 is locked and connected to the connecting base 201 through the locking knob 203. A ventilation cover 206 and a ventilation hood 202 are fixedly installed on the upper end of the connecting base 201, so that the ventilation cover 206 and the ventilation hood 202 can fix and protect the motor 204;

[0046] S2: The transmission shaft 205 on the inner side of the motor 204 passes through the ventilation cover 206 and is inserted between the rear mesh cover 301 and the front mesh cover 302, so that the rear mesh cover 301 and the ventilation cover 206 are locked and installed by the mesh cover locking ring 305. The installation height of the dual-fan mechanism 3 can be adjusted by rotating the telescopic rod 104 relative to the connecting sleeve rod 103. The gear mounting seat 311 is placed on the front end surface of the rear mesh cover 301, so that the three planetary gears 309 are all fitted on the front end of the gear mounting seat 311, and then the central gear 307 fixed to the reverse fan frame 304 is inserted into the inner side of the three planetary gears 309, and the transmission ring gear 310 is placed on the outer side of the three planetary gears 309, so that the three planetary gears 309 are connected to the central gear 307 and the planetary gears 309 through tooth meshing to form a gear set;

[0047] S3: The transmission block 308 is positioned and connected to the transmission shaft 205 through the positioning strip 207, so that the reverse fan frame 304 can be limited by the second limiting sleeve 404 and the transmission block 308. At the same time, the rear end of the positioning sleeve 403 is inserted into the inner side of the spline hole 405, and the connecting threaded sleeve 406 is threadedly connected to the positioning sleeve 403 and the spline hole 405. Therefore, when the positioning rod 402 positions and installs the first limiting sleeve 401, the first limiting sleeve 401, the positioning sleeve 403, and the spline hole 405 can effectively maintain the installation stability of the forward fan frame 303 and the reverse fan frame 304, and the locking cover 306 is threadedly connected to the transmission shaft 205 and locks the forward fan frame 303. The connecting threaded sleeve 406 rotates relative to the first limiting sleeve 401, thereby adjusting the distance between the positioning sleeve 403 and the spline hole 405 to meet the requirements of adjusting the distance between the forward fan frame 303 and the reverse fan frame 304.

[0048] S4: Turn on the power supply and start the motor 204 via the control switch 107. The motor 204, supported by the ventilation cover 202 and the ventilation lid 206, drives the forward fan frame 303 and the transmission ring gear 310 to rotate synchronously via the transmission shaft 205. The transmission ring gear 310 then drives the central gear 307 and the reverse fan frame 304 to rotate in opposite directions via the three planetary gears 309. Blades are provided on the outer sides of the forward fan frame 303 and the reverse fan frame 304, and the blades on the forward fan frame 303 and the reverse fan frame 304 are installed in opposite directions.

[0049] S5: When the reverse fan frame 304 is reversed at high speed relative to the forward fan frame 303 through the gear set, the air behind the rear mesh cover 301 can be extracted and pressurized and transported forward, and then the pressurized airflow can be transported forward through the forward fan frame 303. The directional pressurization of the airflow is achieved through the forward fan frame 303 and the reverse fan frame 304, which effectively increases the air volume during the overall operation and the blowing distance of the airflow, thereby enhancing the cooling effect.

[0050] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A turbofan supercharged structure, comprising a drive mounting mechanism (2), a dual-fan mechanism (3) and a connecting transmission mechanism (4), characterized in that: A fan support mechanism (1) is installed at the bottom end of the drive installation mechanism (2), a dual-fan mechanism (3) is installed at the front end of the drive installation mechanism (2), a connecting transmission mechanism (4) is installed on the inner side of the middle of the dual-fan mechanism (3), the drive installation mechanism (2) includes a motor (204), a ventilation cover (206) is fixedly installed at the front end of the motor (204), and a transmission shaft (205) is rotatably connected to the inner side of the motor (204); The dual fan mechanism (3) includes a rear mesh cover (301), a mesh cover locking ring (305) is installed in the middle of the front end of the rear mesh cover (301), the rear mesh cover (301) and the ventilation cover (206) are fixedly connected through the mesh cover locking ring (305), a gear mounting seat (311) is connected between the rear mesh cover (301) and the mesh cover locking ring (305), and the front end of the gear mounting seat (311) is rotatably connected to three planetary gears (309), and a central gear is installed between the three planetary gears (309). A transmission ring gear (310) is installed on the outside of the three planetary gears (309), a transmission block (308) is installed in the middle of the rear end face of the central gear (307), a reverse fan frame (304) is installed on the outside of the transmission ring gear (310), a forward fan frame (303) is installed in front of the reverse fan frame (304), a locking cover (306) is installed in the middle of the front end face of the forward fan frame (303), and a front mesh cover (302) is installed on the side of the rear mesh cover (301); The connecting transmission mechanism (4) includes a second limiting sleeve (404), a spline hole (405) is provided on the inner side of the front end of the second limiting sleeve (404), a positioning sleeve (403) is installed on the inner side of the spline hole (405), a first limiting sleeve (401) is installed on the front end of the positioning sleeve (403), a connecting threaded sleeve (406) is installed on the outer side of the first limiting sleeve (401) and the positioning sleeve (403), and a positioning rod (402) is installed on the inner side of the middle part of the first limiting sleeve (401); The transmission block (308) is connected to the transmission shaft (205) via a positioning insert (207); the middle portion of the central gear (307) passes through the reverse fan frame (304) and is plugged into the inner side of the rear end of the second limiting sleeve (404); the central gear (307) and the second limiting sleeve (404) are connected via a flat key; a bearing is provided between the second limiting sleeve (404) and the reverse fan frame (304); The front end of the transmission shaft (205) passes through the forward fan frame (303) and is connected to the locking cover (306) by means of a thread; the front end surface of the first limiting sleeve (401) is in contact with the forward fan frame (303); one end of the positioning rod (402) passes through the first limiting sleeve (401) and is connected to the transmission shaft (205) by means of a thread; the first limiting sleeve (401) and the transmission shaft (205) are fixedly connected by means of the positioning rod (402); the forward fan frame (303) and the transmission shaft (205) are fixedly connected by means of the locking cover (306) and the first limiting sleeve (401); the connecting threaded sleeve (406) is connected to the positioning sleeve (403) and the second limiting sleeve (404) by means of a thread.

2. The turbofan supercharged structure according to claim 1, characterized in that: The fan support mechanism (1) comprises a chassis base (102), a plurality of supporting foot rods (101) are installed at the bottom end of the chassis base (102), a connecting sleeve rod (103) is installed at the upper end of the chassis base (102), a telescopic rod (104) is installed on the inner side of the connecting sleeve rod (103), a locking sleeve (106) is installed on the outer side of the bottom end of the connecting sleeve rod (103) and the outer side of the upper end of the telescopic rod (104), a control operation shell (105) is installed at the upper end of the telescopic rod (104), and a control switch (107) is installed on the inner side of the control operation shell (105).

3. The turbofan supercharged structure according to claim 2, characterized in that: The drive mounting mechanism (2) further comprises a ventilation hood (202) fixedly connected to the ventilation cover (206), a connecting seat (201) being mounted at the bottom end of the ventilation hood (202), a locking knob (203) being mounted on one side of the connecting seat (201), and a positioning strip (207) being provided at the middle of the transmission shaft (205).

4. The turbofan supercharged structure according to claim 3, characterized in that: The bottom end of the connecting sleeve rod (103) passes through one of the locking sleeves (106) and is plugged into the inner side of the upper end of the chassis seat (102); the upper end of the chassis seat (102) is connected to the locking sleeve (106) by a thread; the bottom end of the connecting sleeve rod (103) is fixedly connected to the chassis seat (102) by one of the locking sleeves (106); the bottom end of the telescopic rod (104) is connected to the connecting sleeve rod (103) by a thread; the upper end of the telescopic rod (104) passes through another locking sleeve (106) and is plugged into the inner side of the bottom end of the control operation shell (105); the locking sleeve (106) is connected to the telescopic rod (104) by a thread; the upper end of the telescopic rod (104) is fixedly connected to the control operation shell (105) by another locking sleeve (106).

5. The turbofan supercharged structure according to claim 4, characterized in that: One end of the locking knob (203) passes through the connecting seat (201) and is connected to the control operation shell (105) by a thread. The connecting seat (201) is connected to the upper end of the control operation shell (105) by the locking knob (203). The upper end of the connecting seat (201) is fixed to the ventilation cover (202) and the ventilation cover (206) by screws. The front end of the transmission shaft (205) passes through the ventilation cover (206) and is inserted between the rear mesh cover (301) and the front mesh cover (302).

6. The turbofan supercharged structure according to claim 5, characterized in that: The central gear (307), the transmission ring gear (310) and the three planetary gears (309) form a gear set. The three planetary gears (309) are connected to the central gear (307) and the transmission ring gear (310) through inter-tooth meshing. The central gear (307) is fixedly connected to the transmission shaft (205). The three planetary gears (309) are connected to the rear mesh cover (301) through a gear mounting seat (311).

7. The turbofan supercharged structure according to claim 6, characterized in that: The forward fan rack (303) and the reverse fan rack (304) have opposite rotation directions, and a plurality of blades are provided on the outer sides of the forward fan rack (303) and the reverse fan rack (304). The blades on the forward fan rack (303) and the reverse fan rack (304) are installed in opposite directions.

8. A method for assembling a turbofan supercharged structure, characterized in that: The method for assembling a turbofan supercharged structure according to any one of claims 1 to 7 comprises the following steps: S1: The telescopic rod (104) is installed on the inner side of the connecting sleeve rod (103) through a threaded connection, so that the bottom end of the connecting sleeve rod (103) is locked and connected to the chassis seat (102) through one of the locking sleeves (106), and the upper end of the telescopic rod (104) is locked and installed with the control operation shell (105) through another locking sleeve (106), and then the upper end of the control operation shell (105) is locked and connected to the connecting seat (201) through the locking knob (203), and a ventilation cover (206) and a ventilation hood (202) are fixedly installed on the upper end of the connecting seat (201), so that the ventilation cover (206) and the ventilation hood (202) are used to fix and protect the motor (204); S2: The transmission shaft (205) on the inner side of the motor (204) passes through the ventilation cover (206) and is inserted between the rear mesh cover (301) and the front mesh cover (302), so that the rear mesh cover (301) and the ventilation cover (206) are locked and installed through the mesh cover locking ring (305). The installation height of the dual fan mechanism (3) can be adjusted by rotating the telescopic rod (104) relative to the connecting sleeve rod (103). The gear mounting seat (311) is fixed to the rear of the fan mechanism (3). Placed on the front end surface of the rear mesh cover (301), the three planetary gears (309) are all fitted on the front end of the gear mounting seat (311), and then the central gear (307) is plugged into the inner side of the three planetary gears (309), and the transmission ring gear (310) is placed on the outer side of the three planetary gears (309), so that the three planetary gears (309) are all connected to the central gear (307) and the transmission ring gear (310) through inter-tooth meshing to form a gear set; S3: The transmission block (308) and the transmission shaft (205) are positioned and connected through the positioning strip (207), so that the reverse fan frame (304) can be limited by the second limiting sleeve (404) and the transmission block (308), and at the same time, the rear end of the positioning sleeve (403) is plugged into the inner side of the spline hole (405), and the connecting threaded sleeve (406) and the positioning sleeve (403) and the second limiting sleeve (404) are all connected through threads, and then when the positioning rod (402) positions and installs the first limiting sleeve (401), the first limiting sleeve (40 1) The positioning sleeve (403) and the spline hole (405) can effectively maintain the installation stability of the forward fan frame (303) and the reverse fan frame (304), and the forward fan frame (303) is locked by being threadedly connected to the transmission shaft (205) through the locking cover (306). The connecting threaded sleeve (406) is rotated relative to the first limiting sleeve (401), thereby adjusting the distance between the positioning sleeve (403) and the spline hole (405), thereby meeting the requirements for adjusting the distance between the forward fan frame (303) and the reverse fan frame (304); S4: Turn on the power supply and start the motor (204) through the control switch (107), so that the motor (204) drives the forward fan frame (303) and the transmission ring gear (310) to rotate synchronously through the transmission shaft (205) under the support of the ventilation cover (202) and the ventilation cover (206), and then the transmission ring gear (310) drives the central gear (307) and the reverse fan frame (304) to rotate in the opposite direction through the three planetary gears (309), and the outer sides of the forward fan frame (303) and the reverse fan frame (304) are both provided with blades, and the blades on the forward fan frame (303) and the reverse fan frame (304) are installed in opposite directions; S5: When the reverse fan frame (304) is reversed at high speed relative to the forward fan frame (303) through the gear set, the air behind the rear mesh cover (301) can be extracted and pressurized and transported forward, and then the pressurized airflow can be transported forward through the forward fan frame (303). The forward fan frame (303) and the reverse fan frame (304) achieve directional pressurization of the airflow, effectively increasing the overall air volume during operation and the blowing distance of the airflow, thereby enhancing the cooling effect.

Images