A body drying machine

Abstract

The application discloses a body drying machine, which is aimed at providing a body drying machine which is beneficial to heat dissipation of a main control board, and comprises a shell, an assembly opening is arranged on the side wall of one end of the shell, an air inlet and a power cord are arranged on the other end of the shell, the power cord is located on the side of the air inlet and is fixedly connected with the shell, a duct and a circuit board one are detachably connected in the shell, the circuit board one is located on the side of the duct, one end of the duct is sealingly connected with the assembly opening and is provided with a plurality of air outlets, a heater, the main control board and a motor are detachably connected in the duct, the motor is located on the other end of the duct, the main control board is located between one end of the heater and the motor, the other end of the motor corresponds to the air inlet, the main control board is electrically connected with the motor, the heater and the circuit board one respectively, a key is arranged outside the shell, and the key and the power cord are electrically connected with the circuit board one. The application has the beneficial effects that the main control board is beneficial to heat dissipation, and the service life of the main control board is prolonged.

Description

Technical Field

[0001] This invention relates to the technical field of body dryers, and in particular to a body dryer. Background Technology

[0002] After showering, people need to dry their bodies. Traditional methods of drying with towels have drawbacks in terms of dryness, hygiene, and convenience. For example, in public shower facilities, the shower stalls and changing rooms are often connected. The steam from the shower can drift into the changing room, making the air already quite humid. Using a towel, especially a semi-dry towel used in the shower, is ineffective in this situation. Not only does it feel uncomfortable to put on clothes, but it also increases the risk of catching a cold. Some customers use a hairdryer to dry themselves completely, which is time-consuming and also increases the risk of catching a cold, especially for people with long hair. Furthermore, given limited facilities, regulations in many public shower facilities often prohibit the use of hairdryers. In addition, from a hygiene perspective, using only one towel to dry oneself from head to toe is unhygienic. Moreover, using a towel to dry oneself in the changing room causes water to be squeezed onto the floor, increasing management costs and difficulties. Similarly, using hotel bath towels or hand towels to dry oneself also poses certain hygiene risks. In household use, the use of towels or bath towels presents challenges related to resource consumption, such as storage, washing, and drying. In medical and elderly care settings, issues like mobility limitations, frailty, and poor self-care abilities for patients or the elderly must be considered. Therefore, body dryers have been designed to address the shortcomings of traditional towel drying.

[0003] In the existing technology, since dryers are usually used in environments with high humidity and temperature, the main control board inside the dryer usually cannot be effectively cooled, and its surface is usually covered with a certain amount of water vapor, which is not conducive to extending its service life. Summary of the Invention

[0004] The present invention aims to overcome the shortcomings of poor heat dissipation of the main control board in the existing dryer and to provide a dryer that facilitates heat dissipation of the main control board.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A body dryer includes a housing with an assembly port on one side wall and an air inlet and power cord at the other end. The power cord is located on the side of the air inlet and fixedly connected to the housing. An air duct and a circuit board are detachably connected inside the housing. The circuit board is located on the side of the air duct. One end of the air duct is sealed to the assembly port and has several air outlets. A heater, a main control board, and a motor are detachably connected inside the air duct. The motor is located at the other end of the air duct. The main control board is located between the heater and one end of the motor. The other end of the motor corresponds to the air inlet. The main control board is electrically connected to the motor, the heater, and the circuit board. A button is provided on the outside of the housing. The button and the power cord are both electrically connected to the circuit board.

[0007] The housing has an assembly port on one side wall and an air inlet and power cord on the other side. The power cord is located on the side of the air inlet and is fixedly connected to the housing. An air duct and a circuit board are detachably connected inside the housing. The circuit board is located on the side of the air duct. One end of the air duct is sealed to the assembly port and has several air outlets. A heater, a main control board, and a motor are detachably connected inside the air duct. The motor is located at the other end of the air duct. The main control board is located between the heater and one end of the motor. The other end of the motor corresponds to the air inlet. The main control board is electrically connected to the motor, the heater, and the circuit board. A button is provided on the outside of the housing. The button and the power cord are both electrically connected to the circuit board. The buttons typically include a power switch and a temperature adjustment button. The operator activates the working mode using the power switch. The main control board controls the motor and heater respectively. Natural air enters the air duct from the air inlet, flows through the main control board, is heated by the heater, and finally blows out of the air outlet to dry the body. Therefore, the main control board is located between the heater and the motor, which facilitates the dissipation of heat and the removal of water vapor from the main control board by natural cool air, thus extending the service life of the main control board.

[0008] Preferably, the air duct includes an L-shaped pipe section, a straight pipe section one, and a straight pipe section two. The bend of the L-shaped pipe section is arc-shaped. The L-shaped pipe section, straight pipe section one, and straight pipe section two are all detachably connected to the housing. The heater is fixedly connected inside straight pipe section one. One end of straight pipe section one is snap-fitted to one end of the L-shaped pipe section. The air outlet is located on the other end of the L-shaped pipe section. The other end of the L-shaped pipe section is sealed to the assembly port. The other end of straight pipe section one is sealed to one end of straight pipe section two. The main control board and the motor are both detachably connected inside straight pipe section two. The motor is located at the other end of straight pipe section two. A filter screen is detachably connected inside the housing. The filter screen is located between the other end of straight pipe section two and the air inlet. The segmented structure of the air duct facilitates installation and disassembly; the bends of the L-shaped pipe sections are arc-shaped to reduce wind resistance, which helps to reduce noise and energy loss during air delivery; the removable filter inside the housing filters the natural air drawn in by the motor to improve the purity of the air blown towards the human body.

[0009] Preferably, the L-shaped pipe section is provided with a connecting sleeve. One end of the connecting sleeve is detachably connected to the end of the L-shaped pipe section, and the center of the other end of the connecting sleeve is recessed inward to form an air guide groove. The bottom of the air guide groove is hemispherical, and the opening end of the air guide groove forms an outwardly flared mouth. The sidewall of the air guide groove has an arc-shaped surface, and the bottom sidewall of the air guide groove transitions evenly to the flared mouth through the arc-shaped surface. Several air outlets are distributed on the bottom of the air guide groove and the end face of the opening end of the air guide groove. The other end of the connecting sleeve is detachably and sealed to the assembly port. The structural design of the air guide groove helps to reduce wind resistance, thereby reducing noise. At the same time, the hemispherical shape of the bottom of the air guide groove and the flared mouth structure help to reduce water splashing into the air duct through the air outlets, providing a certain degree of waterproofing.

[0010] Preferably, the other end of the connecting sleeve has an annular groove on its outer wall. The annular groove has an L-shaped cross-section, and a sealing ring is fitted inside the annular groove. The inner side of the sealing ring is close to the air outlet, and the outer side is away from the air outlet. The outer side of the sealing ring away from the air outlet has a protruding edge, which is fixedly connected to the sealing ring and forms an integral part. The protruding edge is located at the open end of the annular groove. The inner wall of the assembly port has a sealing groove that matches the protruding edge. After the connecting sleeve is pressed together by the matching protruding edge and the sealing groove, it is sealed and connected to the assembly port by the sealing ring. The sealing connection between the connecting sleeve and the assembly port by the sealing ring improves the waterproof performance.

[0011] Preferably, several locking blocks are fixed on the outer wall of the other end of the connecting sleeve. These locking blocks are evenly distributed along the circumference of the connecting sleeve and located on the side of the annular groove. The inner wall of the assembly port is provided with several locking grooves that match the locking blocks one by one. One end of each locking groove is closed, and the other end of each locking groove is provided with an insertion port. The gap between any two adjacent locking grooves is greater than the length of the locking block. When the housing is opened, the sealing ring is first fitted into the annular groove on the connecting sleeve. Then, the connecting sleeve is aligned with the assembly port so that the locking blocks are positioned between corresponding adjacent locking grooves. Finally, the connecting sleeve is rotated so that the locking blocks are inserted into the locking grooves through the corresponding insertion ports. The installation and disassembly of the connecting sleeve and the assembly port are convenient and quick.

[0012] Preferably, the locking blocks on both sides of the connecting sleeve are 180-degree rotationally symmetrical. Each locking block has an arc-shaped limiting groove and a transition arc surface. The transition arc surface is located at the end of the locking block. The outer wall of the connecting sleeve connects to the opening end of the arc-shaped limiting groove via the transition arc surface. Each of the left and right locking grooves within the assembly port has a protruding limiting post that matches the corresponding arc-shaped limiting groove. During the process of the locking blocks being inserted into the locking grooves through the corresponding insertion ports, the left and right locking blocks are limited by the arc-shaped limiting grooves and corresponding limiting posts, thereby further improving the connection strength between the connecting sleeve and the assembly port. The transition arc surface provides good guidance for the limiting posts to enter the corresponding arc-shaped limiting grooves.

[0013] Preferably, the heater includes several heating fins, which are evenly distributed along the circumference of the straight pipe section and fixedly connected to it. A flow channel is formed between each pair of adjacent heating fins, and the heating fins are electrically connected to the main control board. The design of the heating fins allows the airflow to make full contact with them, thereby achieving a rapid heating effect; the flow channel facilitates the passage of airflow while also ensuring full contact between the airflow and the surface of the heating fins.

[0014] Preferably, the second straight pipe section includes an upper cover and a lower cover. Both sides of the opening end of the upper cover and the opening end of the lower cover are folded outwards to form flanges. The upper cover is snap-fitted to the lower cover via the flanges. A second sealing groove is provided on the flange of the upper cover, and a sealing strip is provided within the second sealing groove. A pressure strip matching the second sealing groove is protruding from the flange of the lower cover. After the pressure strip matches the second sealing groove and presses the sealing strip, the lower cover is sealed to the upper cover, forming a cavity. The motor is detachably installed within the cavity. Both the opening end of the upper cover and the opening end of the lower cover have... A limiting slot matching the main control board is provided. One side of the main control board is located inside the cavity after matching the limiting slot. A rectangular sleeve is fitted on the main control board. The other side of the main control board passes through the rectangular sleeve and is located outside the cavity and is electrically connected to the circuit board. The other side of the upper cover opening and the other side of the lower cover opening are each provided with a rectangular groove matching the rectangular sleeve. The rectangular groove is located on the side of the sealing groove and is connected to the sealing groove. The rectangular sleeve is limited to the rectangular groove. Both the inner and outer sides of the rectangular groove are provided with clearance notches matching the main control board. The second straight pipe section is assembled using an upper cover and a lower cover, which facilitates the installation and disassembly of the main control board and motor inside the second straight pipe section. The lower cover is sealed to the upper cover with a sealing strip, which improves the waterproofness of the inside of the second straight pipe section, thereby reducing the chance of moisture damage to the motor and the main control board and extending their service life. One side of the main control board matches the limiting slot, and the corresponding other side of the main control board is limited in the rectangular slot by a through rectangular sleeve, making the positioning of the main control board simple and effective, and the installation and disassembly convenient and quick.

[0015] Preferably, the bottom of the housing is provided with a closed air inlet chamber, the air inlet is located at the bottom of the air inlet chamber, the top of the air inlet chamber is provided with a through hole that matches the second straight pipe section, the end of the second straight pipe section is confined within the through hole, and the filter screen is detachably connected to the air inlet chamber. The air inlet chamber facilitates the improvement of the intake and filtration effect of natural wind.

[0016] Preferably, a second circuit board is detachably connected inside the housing, and an airflow adjustment button electrically connected to the second circuit board is provided on the outside of the housing. The second circuit board is electrically connected to the main control board. The airflow adjustment button facilitates the adjustment of the airflow, improving practicality.

[0017] The beneficial effects of this invention are as follows: the main control board is located between the heater and one end of the motor, which facilitates heat dissipation and water vapor removal from the main control board by natural cold air, thus extending its service life; the segmented structure design of the air duct facilitates installation and disassembly; it reduces wind resistance, which helps reduce noise and energy loss during air delivery; the filter screen filters the natural air drawn in by the motor to improve the purity of the air blown towards the human body; it has a certain degree of waterproof effect; the installation and disassembly of the connecting sleeve and the assembly port are convenient and quick; it improves the connection strength between the connecting sleeve and the assembly port; it can achieve a rapid heating effect; it facilitates the installation and disassembly of the main control board and motor inside the straight pipe section two; the positioning of the main control board is simple and effective, and the installation and disassembly are convenient and quick; the air inlet chamber facilitates the intake and filtration of natural air; the air volume adjustment button facilitates the adjustment of the air volume, which improves practicality. Attached Figure Description

[0018] Figure 1 This is an embodiment of the present invention. Figure 1 ;

[0019] Figure 2 yes Figure 1 Exploded view;

[0020] Figure 3 yes Figure 1 The main view;

[0021] Figure 4 yes Figure 3 Sectional view of AA;

[0022] Figure 5 This is a schematic diagram of the air duct structure;

[0023] Figure 6 It is an exploded view of the air duct;

[0024] Figure 7 yes Figure 6 Enlarged view of the structure at point C;

[0025] Figure 8 This is a partial structural diagram of the shell;

[0026] Figure 9 yes Figure 8 Enlarged view of the structure at point B;

[0027] Figure 10 This is an embodiment of the present invention. Figure 2 ;

[0028] Figure 11 This is an embodiment of the present invention. Figure 2 The main view;

[0029] Figure 12 yes Figure 11Sectional view of DD;

[0030] Figure 13 yes Figure 12 Enlarged view of the structure at point E in the middle.

[0031] In the diagram: 1. Housing, 2. Assembly port, 3. Air inlet, 4. Power cord, 5. Air duct, 6. Circuit board one, 7. Air outlet, 8. Heater, 9. Main control board, 10. Motor, 11. Button, 12. L-shaped pipe section, 13. Straight pipe section one, 14. Straight pipe section two, 15. Filter screen, 16. Connecting sleeve, 17. Air guide channel, 18. Trumpet mouth, 19. Arc-shaped surface, 20. Annular groove, 21. Sealing ring, 22. Raised edge, 23. Sealing groove one, 24. Locking block, 25. Snap-fit ​​groove, 26. Insertion port, 27. Arc-shaped limiting groove, 28. Transition arc surface, 29. Limiting post, 30. Heating fins, 31. Air guide channel, 32. Top cover, 33. Bottom cover, 34. 35. Flange edge, 36. Sealing groove 2, 37. Sealing strip, 38. Pressure strip, 39. Cavity, 40. Limiting groove, 41. Rectangular sleeve, 42. Rectangular groove 1, 43. Circumvention notch, 44. Air inlet chamber, 45. Through hole, 46. Air volume adjustment button. Detailed Implementation

[0032] The present invention will now be further described with reference to the accompanying drawings and specific embodiments.

[0033] like Figure 1 , Figure 2 , Figure 3 , Figure 10 , Figure 11 and Figure 12 In the embodiments described, a body dryer includes a housing 1. One end of the housing 1 has an assembly port 2 on its side wall, and the other end has an air inlet 3 and a power cord 4. The power cord 4 is located on the side of the air inlet 3 and is fixedly connected to the housing 1. An air duct 5 and a circuit board 6 are detachably connected inside the housing 1. The circuit board 6 is located on the side of the air duct 5. One end of the air duct 5 is sealed to the assembly port 2 and has several air outlets 7. A heater 8, a main control board 9, and a motor 10 are detachably connected inside the air duct 5. The motor 10 is located at the other end of the air duct 5, and the main control board 9 is located between one end of the heater 8 and the motor 10. The other end of the motor 10 corresponds to the air inlet 3. The main control board 9 is electrically connected to the motor 10, the heater 8, and the circuit board 6. A button 11 is provided outside the housing 1, and both the button 11 and the power cord 4 are electrically connected to the circuit board 6.

[0034] like Figure 2 , Figure 5 , Figure 6 and Figure 12As shown, the air duct 5 includes an L-shaped pipe section 12, a first straight pipe section 13, and a second straight pipe section 14. The bend of the L-shaped pipe section 12 is arc-shaped. The L-shaped pipe section 12, the first straight pipe section 13, and the second straight pipe section 14 are all detachably connected to the housing 1. The heater 8 is fixedly connected inside the first straight pipe section 13. One end of the first straight pipe section 13 is snapped to one end of the L-shaped pipe section 12. The air outlet 7 is located on the other end of the L-shaped pipe section 12. The other end of the L-shaped pipe section 12 is sealed to the assembly port 2. The other end of the first straight pipe section 13 is sealed to one end of the second straight pipe section 14. The main control board 9 and the motor 10 are both detachably connected inside the second straight pipe section 14. The motor 10 is located at the other end of the second straight pipe section 14. A filter screen 15 is detachably connected inside the housing 1. The filter screen 15 is located between the other end of the second straight pipe section 14 and the air inlet 3.

[0035] like Figure 5 , Figure 6 and Figure 12 As shown, a connecting sleeve 16 is provided on the L-shaped pipe section 12. One end of the connecting sleeve 16 is detachably connected to the end of the L-shaped pipe section 12. The center of the other end of the connecting sleeve 16 is recessed into the connecting sleeve 16 to form an air guide groove 17. The bottom of the air guide groove 17 is hemispherical. The opening end of the air guide groove 17 forms an outwardly opening horn mouth 18. An arc surface 19 is provided on the side wall of the air guide groove 17. The bottom side wall of the air guide groove 17 transitions evenly to the horn mouth 18 through the arc surface 19. Several air outlets 7 are distributed on the bottom of the air guide groove 17 and the opening end face of the air guide groove 17. The other end of the connecting sleeve 16 is detachably and sealed to the assembly port 2.

[0036] like Figure 2 , Figure 12 and Figure 13 As shown, an annular groove 20 is provided on the outer wall of the other end of the connecting sleeve 16. The cross-sectional shape of the annular groove 20 is L-shaped. A sealing ring 21 is fitted inside the annular groove 20. The inner side of the sealing ring 21 is close to the air outlet 7, and the outer side of the sealing ring 21 is away from the air outlet 7. A protruding edge 22 is provided on the outer side of the sealing ring 21 away from the air outlet 7. The protruding edge 22 is fixedly connected to the sealing ring 21 and forms an integral part. The protruding edge 22 is located on the open end of the annular groove 20. A sealing groove 23 matching the protruding edge 22 is provided on the inner wall of the assembly port 2. After the connecting sleeve 16 is pressed together by the matching of the protruding edge 22 and the sealing groove 23, it is sealed and connected to the assembly port 2 by the sealing ring 21.

[0037] like Figure 5 , Figure 6 , Figure 8 , Figure 9 and Figure 13As shown, several locking blocks 24 are fixed on the outer side wall of the other end of the connecting sleeve 16. The locking blocks 24 are evenly distributed along the circumference of the connecting sleeve 16 and located on the side of the annular groove 20. Several locking grooves 25 are provided on the inner side wall of the assembly port 2, which are matched one by one with the locking blocks 24. One end of the locking groove 25 is closed, and the other end of the locking groove 25 is provided with an insertion port 26. The gap between each two adjacent locking grooves 25 is greater than the length of the locking block 24.

[0038] like Figure 6 , Figure 7 and Figure 9 As shown, the locking blocks 24 on the left and right sides of the connecting sleeve 16 are 180 degrees of rotational symmetry. The locking block 24 is provided with an arc-shaped limiting groove 27 and a transition arc surface 28. The transition arc surface 28 is located at the end of the locking block 24. The outer wall of the connecting sleeve 16 is connected to the opening end of the arc-shaped limiting groove 27 through the transition arc surface 28. The locking grooves 25 on the left and right sides of the assembly port 2 are all fixed with limiting posts 29 that match the corresponding arc-shaped limiting grooves 27.

[0039] like Figure 6 and Figure 12 As shown, the heater 8 includes several heating fins 30, which are evenly distributed along the circumference of the straight pipe section 13 and are fixedly connected to the straight pipe section 13. A flow channel 31 is formed between each two adjacent heating fins 30, and the heating fins 30 are electrically connected to the main control board 9.

[0040] like Figure 4 , Figure 5 and Figure 6As shown, the second straight pipe section 14 includes an upper cover 32 and a lower cover 33. Both sides of the opening end of the upper cover 32 and both sides of the opening end of the lower cover 33 are folded outwards to form flange edges 34. The upper cover 32 is snapped together with the lower cover 33 via the flange edges 34. A second sealing groove 35 is provided on the flange edge 34 of the upper cover 32, and a sealing strip 36 is provided inside the second sealing groove 35. A pressure strip 37, matching the second sealing groove 35, protrudes from the flange edge 34 of the lower cover 33. After the lower cover 33 presses the sealing strip 36 against the second sealing groove 35 via the pressure strip 37, it is sealed together with the upper cover 32, forming a cavity 38. The motor 10 is detachably installed inside the cavity 38. The opening end of the upper cover 32 and the opening end of the lower cover 33 are... Each end has a limiting slot 39 that matches the main control board 9. After one side of the main control board 9 matches the limiting slot 39, it is located inside the cavity 38. A rectangular sleeve 40 is fitted on the main control board 9. The other side of the main control board 9 passes through the rectangular sleeve 40 and is located outside the cavity 38 and is electrically connected to the circuit board 6. The other side of the opening end of the upper cover 32 and the other side of the opening end of the lower cover 33 are provided with a rectangular groove 41 that matches the rectangular sleeve 40. The rectangular groove 41 is located on the side of the sealing groove 35 and is connected to the sealing groove 35. The rectangular sleeve 40 is limited to the rectangular groove 41. Both the inner and outer sides of the rectangular groove 41 are provided with clearance notches 42 that match the main control board 9.

[0041] like Figure 2 and Figure 12 As shown, the bottom of the housing 1 is provided with a closed air inlet chamber 43, the air inlet 3 is located at the bottom of the air inlet chamber 43, the top of the air inlet chamber 43 is provided with a through hole 44 that matches the straight pipe section 14, the end of the straight pipe section 14 is limited to the through hole 44, and the filter screen 15 is detachably connected to the air inlet chamber 43.

[0042] like Figure 10 As shown, a second circuit board is detachably connected inside the housing 1, and an air volume adjustment button 45 is provided on the outside of the housing 1, which is electrically connected to the second circuit board 45. The second circuit board 45 is electrically connected to the main control board 9.

[0043] Button 11 typically includes a power switch and a temperature adjustment button. The operator activates the working mode using the power switch. The main control board 9 controls the motor 10 and the heater 8 respectively. Natural air enters from the air inlet 3, is filtered by the filter 15, enters the air duct 5, flows through the main control board 9, is heated by the heater 8, and finally blows onto the human body through the air outlet 7 to dry the body. Therefore, the main control board 9 is located between the heater 8 and the motor 10, which facilitates the dissipation of heat and the removal of water vapor by natural cold air, thus extending the service life of the main control board 9.

[0044] The segmented structure of the air duct 5 facilitates installation and disassembly; the curved bends of the L-shaped pipe section 12 and the structural design of the air guide trough 17 help reduce wind resistance, lower noise during air delivery, and reduce energy loss; simultaneously, the hemispherical bottom shape of the air guide trough 17 and the flared design of the flared mouth 18 help reduce water splashing into the air duct 5 through the air outlet 7, providing a certain degree of waterproofing. The connecting sleeve 16 is sealed to the assembly port 2 via the sealing ring 21, which helps improve waterproofing performance. The airflow adjustment button 45 allows for easy adjustment of the airflow, improving practicality.

Claims

1. A body dryer, characterized in that, Includes a housing (1), one end of which has an assembly port (2) on its side wall, and the other end of which has an air inlet (3) and a power cord (4). The power cord (4) is located on the side of the air inlet (3) and is fixedly connected to the housing (1). A duct (5) and a circuit board (6) are detachably connected inside the housing (1). The circuit board (6) is located on the side of the duct (5). One end of the duct (5) is sealed to the assembly port (2) and has several air outlets (7). A heater (8), a main control board (9), and a motor (9) are detachably connected inside the duct (5). 10), the motor (10) is located at the other end of the air duct (5), the main control board (9) is located between the heater (8) and one end of the motor (10), the other end of the motor (10) corresponds to the air inlet (3), the main control board (9) is electrically connected to the motor (10), the heater (8) and the circuit board one (6) respectively, the housing (1) is provided with a button (11), the button (11) and the power cord (4) are electrically connected to the circuit board one (6); the air duct (5) includes an L-shaped pipe section (12), a straight pipe section one (13) and a straight pipe section two (14), the L-shaped pipe section (12) The bend of the L-shaped pipe section (12), the first straight pipe section (13), and the second straight pipe section (14) are all detachably connected to the housing (1). The heater (8) is fixedly connected inside the first straight pipe section (13). One end of the first straight pipe section (13) is snapped to one end of the L-shaped pipe section (12). The air outlet (7) is located on the other end of the L-shaped pipe section (12). The other end of the L-shaped pipe section (12) is sealed to the assembly port (2). The other end of the first straight pipe section (13) is sealed to one end of the second straight pipe section (14). The main control board (9) and the motor (10) can both be... The motor (10) is located at the other end of the straight pipe section two (14), and a filter screen (15) is detachably connected inside the housing (1). The filter screen (15) is located between the other end of the straight pipe section two (14) and the air inlet (3). The heater (8) includes several heating fins (30). The heating fins (30) are evenly distributed along the circumference of the straight pipe section one (13) and are fixedly connected to the straight pipe section one (13). A flow channel (31) is formed between each two adjacent heating fins (30). The heating fins (30) are electrically connected to the main control board (9).The second straight pipe section (14) includes an upper cover (32) and a lower cover (33). The two sides of the opening end of the upper cover (32) and the two sides of the opening end of the lower cover (33) are folded outward to form flange edges (34). The upper cover (32) is connected to the lower cover (33) by the flange edges (34). The flange edge (34) of the upper cover (32) is provided with a sealing groove (35). The sealing groove (35) is provided with a sealing strip (36). The flange edge (34) of the lower cover (33) is provided with a pressure strip (37) that matches the sealing groove (35). The lower cover (33) is connected to the upper cover (32) by the pressure strip (37) matching the sealing groove (35) and pressing the sealing strip (36) together, forming a cavity (38). The motor (10) is detachably installed in the cavity (38). The two sides of the opening end of the upper cover (32) and the lower cover (33) are folded outward to form flange edges (34). 3) Each of the opening ends is provided with a limiting slot (39) that matches the main control board (9). One side of the main control board (9) is located inside the cavity (38) after matching the limiting slot (39). A rectangular sleeve (40) is fitted on the main control board (9). The other side of the main control board (9) passes through the rectangular sleeve (40) and is located outside the cavity (38) and electrically connected to the circuit board (6). The other side of the opening end of the upper cover (32) and the other side of the opening end of the lower cover (33) are provided with a rectangular groove (41) that matches the rectangular sleeve (40). The rectangular groove (41) is located on the side of the sealing groove (35) and is connected to the sealing groove (35). The rectangular sleeve (40) is limited to the rectangular groove (41). Both the inner and outer sides of the rectangular groove (41) are provided with clearance notches (42) that match the main control board (9).

2. A body dryer according to claim 1, characterized in that, The L-shaped pipe section (12) is provided with a connecting sleeve (16). One end of the connecting sleeve (16) is detachably connected to the end of the L-shaped pipe section (12). The center of the other end of the connecting sleeve (16) is recessed into the connecting sleeve (16) to form an air guide groove (17). The bottom of the air guide groove (17) is hemispherical. The opening end of the air guide groove (17) forms an outwardly opening horn mouth (18). The side wall of the air guide groove (17) is provided with an arc surface (19). The bottom side wall of the air guide groove (17) transitions evenly to the horn mouth (18) through the arc surface (19). Several air outlets (7) are respectively distributed on the bottom of the air guide groove (17) and the opening end face of the air guide groove (17). The other end of the connecting sleeve (16) is sealed and detachably connected to the assembly port (2).

3. A body dryer according to claim 2, characterized in that, The connecting sleeve (16) has an annular groove (20) on its outer side wall. The annular groove (20) has an L-shaped cross-section. A sealing ring (21) is fitted inside the annular groove (20). The inner side of the sealing ring (21) is close to the air outlet (7), and the outer side of the sealing ring (21) is far from the air outlet (7). A protruding edge (22) is provided on the outer side of the sealing ring (21) away from the air outlet (7). The protruding edge (22) is fixedly connected to the sealing ring (21) and forms an integral part. The protruding edge (22) is located on the open end of the annular groove (20). A sealing groove (23) matching the protruding edge (22) is provided on the inner side wall of the assembly port (2). The connecting sleeve (16) is sealed and connected to the assembly port (2) by the sealing ring (21) after the protruding edge (22) is matched and pressed with the sealing groove (23).

4. A body dryer according to claim 3, characterized in that, Several locking blocks (24) are fixed on the outer side wall of the other end of the connecting sleeve (16). The locking blocks (24) are evenly distributed along the circumference of the connecting sleeve (16) and located on the side of the annular groove (20). Several locking grooves (25) that match the locking blocks (24) are provided on the inner side wall of the assembly port (2). One end of the locking groove (25) is closed, and the other end of the locking groove (25) is provided with an insertion port (26). The gap between each two adjacent locking grooves (25) is greater than the length of the locking block (24).

5. A body dryer according to claim 4, characterized in that, The locking blocks (24) on the left and right sides of the connecting sleeve (16) are 180 degrees of rotational symmetry. The locking block (24) is provided with an arc-shaped limiting groove (27) and a transition arc surface (28). The transition arc surface (28) is located at the end of the locking block (24). The outer wall of the connecting sleeve (16) is connected to the opening end of the arc-shaped limiting groove (27) through the transition arc surface (28). The locking grooves (25) on the left and right sides of the assembly port (2) are all fixed with limiting posts (29) that match the corresponding arc-shaped limiting grooves (27).

6. A body dryer according to claim 1, characterized in that, The bottom of the housing (1) is provided with a closed air inlet chamber (43), the air inlet (3) is located at the bottom of the air inlet chamber (43), the top of the air inlet chamber (43) is provided with a through hole (44) that matches the second straight pipe section (14), the end of the second straight pipe section (14) is limited to the through hole (44), and the filter screen (15) is detachably connected to the air inlet chamber (43).

7. A body dryer according to any one of claims 1, 2, 3, 4, 5, or 6, characterized in that, The housing (1) is detachably connected to a second circuit board. The outer side of the housing (1) is provided with an air volume adjustment button (45) that is electrically connected to the second circuit board. The second circuit board is electrically connected to the main control board (9).

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