CN115263819B

CN115263819B - Hot air motor convenient for fan blade installation and installation method thereof

Info

Publication number: CN115263819B
Application number: CN202211183910.9A
Authority: CN
Inventors: 彭东琨; 邓泳雪; 黄志荣
Original assignee: Foshan Shunde Lepuda Motor Co ltd
Current assignee: Foshan Shunde Lepuda Motor Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2022-12-20
Anticipated expiration: 2042-09-27
Also published as: CN115263819A

Abstract

The invention relates to the technical field of hot air motors, in particular to a hot air motor convenient for fan blade installation and an installation method thereof. This device passes through the setting of dismouting position reducing device for dismouting position reducing device drives the turning block after starting and passes the opening and descend the position, makes the turning block can drive the dwang, the fan leaf descends the position to the downstream, thereby makes the high reduction of fan leaf, the fan leaf after highly reducing can make things convenient for the operator to carry out the dismouting, thereby be favorable to making things convenient for the operator to carry out the dismouting to the air heater fan that is located dryer top eminence.

Description

Hot air motor convenient for fan blade installation and installation method thereof

Technical Field

The invention relates to the field of hot air motors, in particular to a hot air motor with fan blades convenient to mount and a mounting method thereof.

Background

The hot air blower is the first choice product of modern industrial heat source upgrading, and the electromechanical device is the best hot air source configuration of automatic machines such as hot air conveying furnace, drying furnace, oven, packaging machine, etc. The hot air blower consists of three parts, including blower, heater and control circuit. It realizes the regulation and control of working temperature and air quantity.

The prior art discloses a patent of invention in the aspect of partial air heaters, and a Chinese patent with the application number of 202110185628.3 discloses an air heater, which comprises a shell, and a motor, a fan blade, a heating component and a circuit board which are arranged on the shell, wherein the motor drives the fan blade to rotate, the shell is also provided with an air inlet channel, the fan and the heating component are respectively and electrically connected with the circuit board, and the air heater also comprises a power line, and the power line is electrically connected with the circuit board and is arranged in the air inlet channel.

When using the dryer among the prior art, in order to avoid the air current to blow the fold that causes the clothing from lower to upper, can install the air heater at the top of dryer usually, and the air heater can be difficult to avoid the accumulation of dust on the flabellum after using a period of time, consequently need carry out dismouting clearance to the air heater flabellum, however the internal circuit of air heater and dryer is connected and is unfavorable for whole dismantlement, thereby need carry out the dismouting to the fan at the eminence, and the hot-blast chance that is located the eminence causes the dismouting difficulty when operator's clearance fan.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a hot air motor with fan blades convenient to mount and a mounting method thereof.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a hot air motor facilitating fan blade installation comprises a first ventilation box and a second ventilation box, wherein an installation block is fixed inside the first ventilation box, a dismounting pushing device is installed between the installation block and the second ventilation box, and the dismounting pushing device is used for pushing the first ventilation box and the second ventilation box to be away from each other;

a third air box is fixed inside the second air box, a heating wire is fixed inside the third air box, and the heating wire is communicated with an external power supply;

circular through holes are symmetrically formed in the mounting blocks in a penetrating mode, moving cylinders are connected to the insides of the two circular through holes in a sliding mode, openings are formed in the bottoms of the moving cylinders in a penetrating mode, a second supporting frame is fixed to one end, facing the second ventilating box, of each moving cylinder, a rotating block is rotatably mounted on one side, facing away from the second ventilating box, of each second supporting frame through a dismounting and lowering device, and the dismounting and lowering device is used for driving the rotating block to penetrate through the openings to move downwards to lower positions when the first ventilating box and the second ventilating box are far away from each other;

the turning block dorsad one side of second ventilating case is fixed with the dwang, the outside slip cap of dwang is equipped with the fan leaf, the dwang dorsad the one end of turning block is fixed with the screw rod, the outside thread bush of screw rod is equipped with the thread bush, the screw rod with install rotation drive arrangement between the circular through-hole, rotation drive arrangement is used for the drive the screw rod rotates.

Preferably, the dismounting pushing device comprises four first straight rods and four cylinders, the first straight rods are fixed to the second ventilating box and face towards the four corners of one side of the first ventilating box, the cylinders are fixed to the four corners of one side of the second ventilating box, and the end portions of the first straight rods penetrate through the mounting blocks and then are fixedly connected with the telescopic rods of the cylinders.

Preferably, the dismounting and lowering device comprises a fixed sliding rail and a fixed frame, the fixed sliding rail is fixed on one side of the second supporting frame back to the second ventilating box, a movable slide rail is inserted in the fixed slide rail in a sliding way, a movable rod is inserted at one side of the movable slide rail in a sliding way, a first thread groove is arranged in the middle of the inner part of the movable rod, a second straight rod is inserted in the first thread groove, a third thread sliding block is fixed on the outer wall of the bottom end of the second straight rod and is in threaded connection with the first thread groove, a second thread groove is arranged inside the second straight rod, a third straight rod is inserted inside the second thread groove, a second thread sliding block is fixed on the outer wall of the bottom end of the third straight rod and is in threaded connection with the second thread groove, a third thread groove is arranged inside the third straight rod, a fourth straight rod is inserted inside the third thread groove, a first thread sliding block is fixed on the outer wall of the bottom end of the fourth straight rod and is in threaded connection with the third thread groove, a driving mechanism is arranged between the top of the fourth straight rod and the mounting block after penetrating through the movable cylinder, the driving mechanism is used for driving the fourth straight rod to rotate, the fixed frame is fixed between one sides of the two second supporting frames facing the second ventilating box, the fixed frame is fixedly connected with the second ventilating box, a fixed block is fixed on one side of the movable rod back to the second ventilating box, the lower half end of the fixed sliding rail faces back to one side of the second ventilating box, a yielding space is formed in the lower half end of the fixed sliding rail, and the fixed block penetrates through the yielding space and then extends out of the yielding space and is connected with the rotating block in a rotating mode.

Preferably, the driving mechanism comprises a mounting groove, the mounting groove is formed in the position, facing the second ventilating box, of the mounting block, a first rack is fixed inside the mounting groove, the first rack extends to the inside of the second ventilating box, a first gear is arranged inside the mounting groove, and the first gear is fixedly connected with the top of the fourth straight rod.

Preferably, the rotation driving device comprises a first support frame, the first support frame is fixed in the circular through hole is back to one end of the second ventilation box, the first support frame is back to one side of the second ventilation box is fixed with a motor, an output shaft of the motor runs through the first support frame and then extends to the inside of the circular through hole, the end part of the output shaft of the motor is fixed with a rotation sleeve, the rotation sleeve is back to one end of the motor is movably inserted with a cross-shaped rod, the cross-shaped rod is fixedly connected with the end part of a screw rod, a rotation support is arranged on an external fixed sleeve of the rotation sleeve, and the outer ring of the rotation support is rotatably connected with the inner wall of the circular through hole.

Preferably, the outer wall of the cross-shaped rod is slidably sleeved with a rubber pad, a first rotating disc is fixed on one side, back to the rotating sleeve, of the rubber pad, a second rotating disc is rotatably installed on one side, back to the rubber pad, of the first rotating disc, and the second rotating disc is in contact with the end portion of the threaded sleeve.

Preferably, the rubber pad is towards the second rack is symmetrically fixed on the side wall of the rotating sleeve, the third rack is symmetrically fixed on the cross side wall of the cross-shaped rod, grooves are symmetrically formed in the rotating sleeve, the second gear is rotatably installed in each groove, the second gear is meshed with the third rack, the end portion of the second rack is slidably inserted into each groove, and the second rack is meshed with the second gear.

Preferably, the inside of fixed block runs through and has seted up the inside groove, the inside rotation of inside groove is installed the upset pole, the turning block orientation a plurality of inserting grooves have been seted up to one side circumference array of fixed block, the upset pole is kept away from the one end of inserting groove with be fixed with the spring jointly between the inner wall of inside groove.

Preferably, a second magnetic block is fixedly connected to the side wall of the fixed sliding rail, a first magnetic block is fixed to the top of the fixed block, and the first magnetic block is matched with the second magnetic block.

A method for installing a hot air motor facilitating fan blade installation comprises the following steps:

step one, separating a first ventilation box from a second ventilation box: when the fan blades need to be disassembled, assembled and cleaned, an operator starts the disassembling and assembling pushing device, and the disassembling and assembling pushing device drives the first ventilating box and the second ventilating box to be away from the disassembling and assembling space;

step two, the position of the fan blade is reduced: when the first ventilation box and the second ventilation box are far away from each other, the first ventilation box and the second ventilation box interact to start the dismounting and lowering device, and the dismounting and lowering device drives the fan blades to pass through the opening to move downwards for lowering after being started;

step three, disassembling fan blades: the fan blade is lowered to the height of an operator, the operator loosens the fan blade after rotating the threaded sleeve, and then the operator pulls out the fan blade for cleaning;

step four, mounting fan blades: the operator inserts the outside back of dwang again with the fan leaf after the clearance, rotates the fixed fan leaf of installation thread bush, starts dismouting thrust unit once more afterwards and drives first ventilation case and second ventilation case and be close to each other, and when first ventilation case and second ventilation case were close to each other, linkage dismouting reducing gear starts once more and drives the fan leaf and shifts up the installation that the completion fan leaf resets.

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

1. according to the invention, through the arrangement of the dismounting and lowering device, the dismounting and lowering device drives the rotating block to pass through the opening to lower after being started, so that the rotating block can drive the rotating rod and the fan blades to move downwards to lower, the height of the fan blades is reduced, the fan blades with the reduced height can be conveniently dismounted and mounted by an operator, and the dismounting and mounting of the air heater fan positioned at the high position of the top of the clothes dryer by the operator are facilitated.

2. According to the invention, the rubber pad is arranged on the first rotating disc and the second rotating disc to push the first rotating disc and the second rotating disc to support the threaded sleeve, and the rubber pad is deformed due to the rigid support of the second rack on the rubber pad, so that the supporting force of the rubber pad on the first rotating disc and the second rotating disc is increased under the rigid support, thereby being beneficial to improving the extrusion supporting force of the second rotating disc on the threaded sleeve, further being beneficial to avoiding the threaded sleeve from loosening in the rotating process, further being beneficial to improving the stability of the fan blade after being installed and rotated, and being beneficial to preventing the fan blade from being blocked by the friction force generated between the second rotating disc and the threaded sleeve due to the rotation of the second rotating disc and the first rotating disc.

3. The fan blade retraction device has the advantages that the fixed block and the rotating block are limited and cannot rotate relatively through the arrangement of the turnover rod, the extrusion head and the insertion groove, so that the fan blade is limited and cannot rotate in the downward movement process, potential safety hazards caused by rotation in the descending process of the fan blade are avoided, in the upward retraction process of the fan blade, the fixed block moves upward to drive the turnover rod to move upward, the side wall of the turnover rod moves upward and is extruded by the side wall at the yielding space of the fixed sliding rail, the turnover rod is pushed to turn over and extrude the spring to compress, the turnover rod and the extrusion head are retracted into the inner groove in the upward retraction process of the fan blade, the limitation between the fixed block and the rotating block is relieved, and the fan blade can restore to rotate.

Drawings

FIG. 1 is a schematic flow chart of the method of the present invention.

Fig. 2 is a schematic view of the overall structure of the present invention.

Fig. 3 is a schematic diagram of a first cross-sectional structure of the present invention.

FIG. 4 is a schematic diagram of a second cross-sectional structure of the present invention.

Fig. 5 is an enlarged structural view of the portion a in fig. 4 according to the present invention.

Fig. 6 is an enlarged structural view of the invention at B in fig. 5.

Fig. 7 is a schematic diagram of a third cross-sectional structure of the present invention.

Fig. 8 is an enlarged view of the structure of fig. 7 at C according to the present invention.

Fig. 9 is a schematic cross-sectional view of the moving cylinder of the present invention.

Fig. 10 is an enlarged view of the structure of fig. 9 at D according to the present invention.

Fig. 11 is an enlarged structural view at E in fig. 10 according to the present invention.

Fig. 12 is an enlarged view of the structure of fig. 11 at F according to the present invention.

Fig. 13 is an enlarged view of fig. 10 at G according to the present invention.

Fig. 14 is a partial sectional view of the rotating sleeve and the rotating bracket of the present invention.

Fig. 15 is an enlarged schematic view of the invention at H of fig. 14.

Fig. 16 is a schematic cross-sectional view of the movable rail according to the present invention.

Fig. 17 is an enlarged view of the structure at I in fig. 16 according to the present invention.

Fig. 18 is an enlarged view of the structure of fig. 16 at J according to the present invention.

In the figure: 1. a first ventilation box; 2. a second ventilation box; 3. a first straight rod; 4. a cylinder; 5. a third bellows; 6. heating wires; 7. mounting blocks; 8. a circular through hole; 9. moving the drum; 10. fixing the sliding rail; 11. moving the slide rail; 12. a travel bar; 13. a first thread groove; 14. a second straight bar; 15. a second thread groove; 16. a third straight rod; 17. a third thread groove; 18. a fourth straight rod; 19. a fixed block; 20. a first threaded slider; 21. a second threaded slider; 22. a third threaded slider; 23. a first gear; 24. rotating the block; 25. rotating the rod; 26. a fan blade; 27. a screw; 28. a threaded sleeve; 29. a cross-shaped bar; 30. rotating the sleeve; 31. rotating the bracket; 32. a first support frame; 33. a motor; 34. a first rack; 35. a rubber pad; 36. a first rotating disk; 37. a second rotating disk; 38. a second rack; 39. a second gear; 40. a third rack; 41. an inner tank; 42. a turning rod; 43. a first magnetic block; 46. inserting grooves; 47. a spring; 48. a second magnetic block; 54. an opening; 55. mounting grooves; 56. a second support frame; 57. a fixing frame.

Detailed Description

The following description is provided to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 2 to 18, the hot air motor convenient for fan blade installation comprises a first ventilation box 1 and a second ventilation box 2, wherein an installation block 7 is fixed inside the first ventilation box 1, and a dismounting pushing device is installed between the installation block 7 and the second ventilation box 2 and used for pushing the first ventilation box 1 and the second ventilation box 2 to be away from each other;

a third ventilation box 5 is fixed inside the second ventilation box 2, a heating wire 6 is fixed inside the third ventilation box 5, and the heating wire 6 is communicated with an external power supply;

circular through holes 8 are symmetrically formed in the mounting block 7 in a penetrating mode, moving cylinders 9 are connected to the insides of the two circular through holes 8 in a sliding mode, openings 54 are formed in the bottoms of the moving cylinders 9 in a penetrating mode, a second supporting frame 56 is fixed to one end, facing the second ventilating box 2, of each moving cylinder 9, one side, facing away from the second ventilating box 2, of each second supporting frame 56 is rotatably provided with a rotating block 24 through a dismounting and lowering device, and the dismounting and lowering device is used for driving the rotating blocks 24 to penetrate through the openings 54 to move downwards to lower when the first ventilating box 1 and the second ventilating box 2 are far away from each other;

a rotating rod 25 is fixed on one side of the rotating block 24, which is back to the second ventilating box 2, a fan blade 26 is slidably sleeved outside the rotating rod 25, a screw 27 is fixed at one end of the rotating rod 25, which is back to the rotating block 24, a threaded sleeve 28 is sleeved outside the screw 27, and a rotation driving device is installed between the screw 27 and the circular through hole 8 and is used for driving the screw 27 to rotate; when the clothes dryer is in use, in the prior art, in order to avoid wrinkles of clothes caused by blowing of air flow from bottom to top, the air heater is usually installed at the top of the clothes dryer, and after the air heater is used for a period of time, accumulation of dust is difficult to avoid on fan blades, so that the fan blades of the air heater need to be disassembled and cleaned, however, the connection of the air heater and an internal circuit of the clothes dryer is not favorable for integral disassembly, so that the fan needs to be disassembled and assembled at a high position, and hot air at the high position causes difficulty in disassembling and assembling of an operator when the fan is cleaned, the embodiment of the invention can solve the above problems, in a specific embodiment, the first ventilation box 1 and the second ventilation box 2 can be installed on an internal structure of the air heater, when the fan of the air heater needs to be disassembled and assembled, the operator starts the disassembling and assembling pushing device through an external power switch, the disassembling and pushing device drives the first ventilation box 1 and the second ventilation box 2 to mutually separate from a rotating rod after being started, so that a space convenient to disassemble and assemble can be exposed by moving between the first ventilation box 1 and the second ventilation box 2, the first ventilation box 1 and the second ventilation box 2 can move to enable the fan to pass through a rotating support frame 26, thereby enabling the rotating blade 26 to be inserted in the rotating cylinder 24, the rotating support frame 26, and the rotating cylinder 24, and the rotating blade 26 to be capable of the rotating cylinder 24, and supporting frame 26, so that the rotating blade can be capable of rotating and moving, and moving in the rotating cylinder 24, and moving of the rotating cylinder, and moving cylinder, thereby enabling the rotating blade to move, and moving of the fan to move, and moving cylinder, and enabling the rotating frame 26 to move, threaded sleeve 28 passes through screw rod 27 and installs the tip at dwang 25, thereby fix fan leaf 26 through threaded sleeve 28, thereby be favorable to avoiding fan leaf 26 to shake and break away from and influence the work of fan at the rotation in-process, the in-process that keeps away from each other at first ventilation case 1 and second ventilation case 2 pulls the outside removal of moving section of thick bamboo 9 to circular through-hole 8, thereby drive dismouting dislocation system through the interact linkage of circular through-hole 8 with moving section of thick bamboo 9, dismouting dislocation system drives turning block 24 and passes opening 54 descending position after starting, make turning block 24 can drive dwang 25, fan leaf 26 descends the position to the downstream, thereby make the high reduction of fan leaf 26, fan leaf 26 after the height reduction can make things convenient for the operator to carry out the dismouting, thereby be favorable to making things convenient for the operator to carry out the air heater fan that is located dryer top eminence, rotation drive arrangement can drive screw rod 27 and rotate, thereby the dwang drives 25 and fan leaf 26 and rotates.

As an embodiment of the invention, the dismounting pushing device comprises four first straight rods 3 and four air cylinders 4, the first straight rods 3 are fixed at four corners of one side of the second ventilation box 2 facing the first ventilation box 1, the air cylinders 4 are fixed at four corners of one side of the mounting block 7 opposite to the second ventilation box 2, and the end parts of the four first straight rods 3 penetrate through the mounting block 7 and then are fixedly connected with telescopic rods of the air cylinders 4; during operation, carry out fan blade 26's dismouting in needs, when making first ventilation case 1 and second ventilation case 2 keep away from each other, the operator starts cylinder 4 through external switch, promote first straight-bar 3 through the output shaft after cylinder 4 starts, first straight-bar 3 promotes second ventilation case 2 after being promoted, make second ventilation case 2 keep away from first ventilation case 1, thereby make first ventilation case 1 and second ventilation case 2 keep away from each other and expose the space when exposing air feed fan blade 26 dismouting, thereby be favorable to making things convenient for the operator to carry out the dismouting to fan blade 26.

As an embodiment of the invention, the dismounting and lowering device comprises a fixed sliding rail 10 and a fixed frame 57, the fixed sliding rail 10 is fixed on one side of the second support frame 56 opposite to the second ventilation box 2, a movable sliding rail 11 is slidably inserted in the fixed sliding rail 10, a movable rod 12 is slidably inserted in one side of the movable sliding rail 11, a first thread groove 13 is formed in the middle of the inner part of the movable rod 12, a second straight rod 14 is inserted in the first thread groove 13, a third thread slider 22 is fixed on the outer wall of the bottom end of the second straight rod 14, the third thread slider 22 is in threaded connection with the first thread groove 13, a second thread groove 15 is formed in the inner part of the second straight rod 14, a third straight rod 16 is inserted in the inner part of the second thread groove 15, a second thread slider 21 is fixed on the outer wall of the bottom end of the third straight rod 16, the second thread slider 21 is in threaded connection with the second thread groove 15, a third thread groove 17 is formed in the third straight rod 16, a fourth straight rod 18 is inserted into the third thread groove 17, a first thread slider 20 is fixed on the outer wall of the bottom end of the fourth straight rod 18, the first thread slider 20 is in threaded connection with the third thread groove 17, a driving mechanism is installed between the top of the fourth straight rod 18 and the mounting block 7 after penetrating through the moving cylinder 9 and is used for driving the fourth straight rod 18 to rotate, a fixing frame 57 is fixed between one sides of the two second supporting frames 56 facing the second vent box 2, the fixing frame 57 is fixedly connected with the second vent box 2, a fixing block 19 is fixed on one side of the moving rod 12 facing away from the second vent box 2, a yielding space is formed in one side of the lower half end of the fixed sliding rail 10 facing away from the second vent box 2, and the fixing block 19 extends out after penetrating through the yielding space and is rotatably connected with the rotating block 24; when the straight rod type air conditioner works, when the first ventilation box 1 and the second ventilation box 2 are far away from each other, the second ventilation box 2 drives the fixed frame 57 to move, the fixed frame 57 drives the second support frame 56 to move, so that the second support frame 56 drives the moving cylinder 9 to slide and extend out of the circular through hole 8, when the moving cylinder 9 slides, relative movement is generated between the moving cylinder 9 and the mounting block 7, after the moving cylinder 9 moves, the rotating rod 25 and the screw 27 are driven to move through connection of the driving mechanism, so that the screw 27 is driven to separate from the rotating driving device after moving, so that the rotating driving device does not obstruct downward movement of the fixed block 19 after separating from the rotating driving device, the continuous relative movement between the moving cylinder 9 and the mounting block 7 drives the driving mechanism to start, after the driving mechanism starts, the fourth straight rod 18 is driven to rotate, after the fourth straight rod 18 rotates, the first threaded slider 20 drives the third straight rod 16 to move downward, so that the first threaded slider 20 drives the third straight rod 16 to move downward after the internal thread of the third threaded slider 17 rotates, so that the second threaded slider 20 can not drive the second straight rod 16 to move downward through the second thread groove 14, so that the second straight rod 16 can not drive the straight rod 16 to move downward along with the second straight rod 16 after the second straight rod 16, therefore, the second straight rod 14 is driven to rotate, and similarly, after the second straight rod 14 rotates, the third threaded slider 22 fixed on the outer wall rotates inside the first threaded groove 13, so as to drive the moving rod 12 to move downwards, so that the moving rod 12 drives the fixed block 19 to move downwards, so that the fixed block 19 drives the rotating block 24 to move downwards, meanwhile, when the fourth straight rod 18 rotates to drive the moving rod 12 to move downwards, the moving slide rail 11 slides inside the fixed slide rail 10 so that the moving slide rail 11 cannot rotate, the moving rod 12 slides downwards inside the moving slide rail 11, so that the moving rod 12 cannot rotate, so that the fourth straight rod 18 rotates to drive the moving rod 12 to move downwards through threaded connection, the fixed block 19 is driven downwards, the rotating block 24 is driven to move downwards to drive the position of the fan blade 26 to descend, and therefore, an operator can disassemble and assemble the fan blade 26 after the fan blade 26 descends.

As an embodiment of the present invention, the driving mechanism includes a mounting groove 55, the mounting groove 55 is opened on a side of the mounting block 7 facing the second ventilating box 2, a first rack 34 is fixed inside the mounting groove 55, the first rack 34 extends to the inside of the second ventilating box 2, a first gear 23 is arranged inside the mounting groove 55, and the first gear 23 is fixedly connected with the top of the fourth straight rod 18; during operation, when removing a section of thick bamboo 9 and installation piece 7 and producing relative movement, it drives fourth straight-bar 18 and removes to remove a section of thick bamboo 9, fourth straight-bar 18 drives first gear 23 and removes, first gear 23 removes the back and produces the removal for first rack 34, thereby make first gear 23 produce the rotation through the meshing effect with first rack 34, first gear 23 rotates back and drives fourth straight-bar 18 and rotate, mounting groove 55 can provide the space for the installation of first gear 23 and first rack 34, thereby make first ventilation case 1 and second ventilation case 2 keep away from the back each other, can drive fourth straight-bar 18 and rotate, thereby drive fan leaf 26 is the downstream, thereby be favorable to making things convenient for the operator to carry out the dismouting to fan leaf 26.

As an embodiment of the invention, the rotation driving device comprises a first support frame 32, the first support frame 32 is fixed at one end of the circular through hole 8, which is back to the second ventilation box 2, a motor 33 is fixed at one side of the first support frame 32, which is back to the second ventilation box 2, an output shaft of the motor 33 penetrates through the first support frame 32 and then extends to the inside of the circular through hole 8, a rotating sleeve 30 is fixed at the end part of the output shaft of the motor 33, a cross-shaped rod 29 is movably inserted at one end of the rotating sleeve 30, which is back to the motor 33, the cross-shaped rod 29 is fixedly connected with the end part of the screw 27, a rotating support 31 is fixedly sleeved outside the rotating sleeve 30, and the outer ring of the rotating support 31 is rotatably connected with the inner wall of the circular through hole 8; the during operation, when fan blade 26 is installed and is used, first support frame 32 can support the installation to motor 33, motor 33 drives through the output shaft after starting and rotates cover 30 and rotate, it rotates to rotate cover 30 drive cross type pole 29 after rotating, cross type pole 29 rotates the back and drives fixed connection's screw rod 27 with it, thereby it rotates completion to fan blade 26 pivoted drive to drive fan blade 26, it can support the rotation of rotating the cover 30 to rotate support 31, thereby be favorable to improving fan blade 26 pivoted stability when driving fan blade 26 pivoted.

As an embodiment of the present invention, a rubber pad 35 is slidably sleeved on the outer wall of the cross-shaped rod 29, a first rotating disc 36 is fixed on the side of the rubber pad 35 facing away from the rotating sleeve 30, a second rotating disc 37 is rotatably installed on the side of the first rotating disc 36 facing away from the rubber pad 35, and the second rotating disc 37 is in contact with the end of the threaded sleeve 28; in operation, when the rotation driving device drives the fan blade 26 to rotate, the rotation of the fan blade 26 may drive the threaded sleeve 28 to rotate and loosen, thereby possibly causing the loosening of the fan blade 26, and making the installation of the fan blade 26 unstable, this embodiment of the present invention may solve the above problem, in a specific embodiment, after the installation of the fan blade 26 is completed, an operator slidingly sleeves the rubber pad 35, the first rotating disk 36, and the second rotating disk 37 on the outer ring of the cross-shaped rod 29, and the screw 27 drives the cross-shaped rod 29 to be inserted into the rotating sleeve 30, so that the end of the threaded sleeve 28 presses the second rotating disk 37, thereby causing the second rotating disk 37 to push the first rotating disk 36, and then the first rotating disk 36 pushes the rubber pad 35 to generate deformation, thereby causing the pressing force generated by the deformation of the rubber pad 35 to reversely push the threaded sleeve 28, and causing the threaded sleeve 28 to be pressed by the second rotating disk 37 after the installation of the fan blade 26, thereby being beneficial to avoid the threaded sleeve 28 from generating the loosening during the rotation of the fan blade 26, thereby being beneficial to improve the stability of the fan blade 26 when the fan blade 26 is used, and simultaneously, the rotation of the fan blade 28 is beneficial to avoid the second rotating sleeve 37 from generating friction force generated by the rotating of the rotating sleeve 37, and the rotating of the fan blade 26, thereby preventing the fan blade from being connected with the rotating of the rotating sleeve 37.

As an embodiment of the present invention, a second rack 38 is symmetrically fixed on a side wall of the rubber pad 35 facing the rotating sleeve 30, a third rack 40 is symmetrically fixed on a cross side wall of the cross-shaped rod 29, grooves are symmetrically arranged inside the rotating sleeve 30, a second gear 39 is rotatably mounted inside each groove, the second gear 39 is engaged with the third rack 40, an end of the second rack 38 is slidably inserted inside each groove, and the second rack 38 is engaged with the second gear 39; during operation, the rubber pad 35 itself is soft and can deform, so that when the rubber pad 35 extrudes and limits the threaded sleeve 28, if the rubber pad 35 is only in contact with the threaded sleeve 28, and the situation of unstable limiting still exists, the embodiment of the present invention can solve the above problems, in a specific implementation manner, when the fan blade 26 is installed, the cross-shaped rod 29 is inserted into the rotating sleeve 30, the cross-shaped rod 29 drives the third rack 40 to move and insert into the rotating sleeve 30, the third rack 40 is meshed with the second gear 39 after moving so as to drive the second gear 39 to rotate, the second gear 39 drives the second rack 38 meshed therewith to move after rotating, so that the second rack 38 pushes the rubber pad 35 to move after moving, so as to rigidly support the rubber pad 35, so that the rubber pad 35 pushes the first rotating disc 36 and the second rotating disc 37 to support the threaded sleeve 28, and because the second rack 38 rigidly supports the rubber pad 35, the rubber pad 35 deforms, so that the rubber pad 35 increases the force for supporting the first rotating disc 36 and the second rotating disc 37 under rigid support, thereby facilitating the improvement of the screw thread support force generated by the fan blade 35 during the rotation, and facilitating the improvement of the screw support force generated by the fan blade 28, so as to prevent the fan blade 26 from rotating sleeve from loosening during the rotation.

As an embodiment of the invention, an inner groove 41 is arranged in the fixed block 19 in a penetrating way, a turning rod 42 is rotatably arranged in the inner groove 41, a plurality of inserting grooves 46 are circumferentially arranged on one side of the rotating block 24 facing the fixed block 19, and a spring 47 is jointly fixed between one end of the turning rod 42 far away from the inserting grooves 46 and the inner wall of the inner groove 41; when the fan blade 26 moves downwards, the fan blade 26 may rotate due to the action of air resistance in the moving process, so that the fan blade 26 rotates in the downward moving process, and potential safety hazards may be caused by the rotation of the fan blade 26, the embodiment of the invention may solve the above problems, in particular, in the following embodiment, when the fourth straight rod 18 rotates and drives the fixed block 19 to move downwards, the fixed block 19 moves downwards to drive the inner groove 41 and the structures inside the inner groove 41 to move downwards, after the fixed block 19 moves downwards, the fixed rail 10 at the opening at one side of the inner groove 41 is separated, so that the turning rod 42 loses the side wall extrusion of the fixed rail 10, then the turning rod 42 turns over under the pushing action of the elastic force of the spring 47, at this time, if the turning rod 42 is aligned with the insertion groove 46, the turning rod 42 is inserted into the insertion groove 46, so that the insertion groove 46 is limited, so that the fixed block 19 and the rotating block 24 cannot rotate relatively, if the turning rod 42 abuts against the insertion position between two adjacent insertion grooves 46, so that the fan blade 26 cannot be pushed by the spring 46, thereby preventing the fan blade 26 from rotating when the fan blade 26 from rotating, and the fan blade 26 from rotating in the process, thereby being pushed by the fan blade 26 rotating process, in the process of upwards withdrawing the fan blade 26, the fixed block 19 moves upwards to drive the turning rod 42 to move upwards, the side wall is extruded by the side wall at the yielding space of the fixed sliding rail 10 after the turning rod 42 moves upwards, so that the turning rod 42 is pushed to turn over and extrude the spring 47 to compress, the fan blade 26 is upwards withdrawn, the turning rod 42 is withdrawn into the inner groove 41, the limit between the fixed block 19 and the rotating block 24 is relieved, and the fan blade 26 can be recovered to rotate.

As an embodiment of the present invention, a second magnetic block 48 is fixedly connected to a side wall of the fixed sliding rail 10, a first magnetic block 43 is fixed to the top of the fixed block 19, and the first magnetic block 43 is matched with the second magnetic block 48; when the fan resetting device works, when the fixed block 19 is driven to move downwards, the fixed block 19 is driven to move by the rigid force, so that the first magnetic block 43 is pulled to be separated from the second magnetic block 48 by the movement of the fixed block 19, the fixed block 19 can freely descend, when the fixed block 19 is driven to move upwards, the first gear 23 and the first rack 34 are meshed at the position of the section after resetting and disappear, at the moment, the first magnetic block 43 and the second magnetic block 48 are mutually attracted under the action of the magnetic force, so that attraction is generated on the fixed block 19, the fixed block 19 is favorably prevented from descending under the action of gravity in the process of resetting upwards due to the fact that the first gear 23 and the first rack 34 are meshed and disappear, and the cross-shaped rod 29 is favorably prevented from being inserted into the rotating sleeve 30 again after the fixed block 19 moves downwards, so that the resetting after the fan is favorably realized.

Fig. 1 shows an installation method of a hot air motor convenient for installing fan blades, which comprises the following steps:

step one, separating the first ventilating box 1 from the second ventilating box 2: when the fan blades need to be disassembled, assembled and cleaned, an operator starts the disassembling and assembling pushing device, and the disassembling and assembling pushing device drives the first ventilating box 1 and the second ventilating box 2 to be away from the disassembling and assembling space;

step two, the position of the fan blade is reduced: when the first ventilation box 1 and the second ventilation box 2 are far away from each other, the mutual action of the first ventilation box 1 and the second ventilation box 2 starts the dismounting and lowering device, and the dismounting and lowering device drives the fan blade 26 to pass through the opening 54 to move downwards for lowering after being started;

step three, disassembling fan blades: the fan blade 26 is lowered to the height of an operator, the operator rotates the threaded sleeve 28 to loosen the fan blade 26, and then the operator pulls out the fan blade 26 to clean;

step four, mounting fan blades: the operator inserts the outside back of dwang 25 with the fan leaf 26 after the clearance again, rotates the fixed fan leaf 26 of installation thread bush 28, starts dismouting thrust unit once more afterwards and drives first ventilation case 1 and second ventilation case 2 and be close to each other, and when first ventilation case 1 and second ventilation case 2 were close to each other, linkage dismouting is fallen the device and is started to drive fan leaf 26 again and move up to reset and accomplish the installation of fan leaf 26.

The working principle of the invention is as follows: in the prior art, when the clothes dryer is used, in order to avoid wrinkles of clothes caused by blowing of air flow from bottom to top, an air heater is usually arranged at the top of the clothes dryer, and after the air heater is used for a period of time, dust accumulation can not be avoided on fan blades, so the fan blades of the air heater need to be disassembled and cleaned, however, the connection of the air heater and an internal circuit of the clothes dryer is not beneficial to integral disassembly, so that the fan needs to be disassembled and assembled at a high position, and hot air at the high position can cause difficulty in disassembling and assembling the fan when an operator cleans the fan, the embodiment of the invention can solve the problems, in particular, a first ventilation box 1 and a second ventilation box 2 can be used for installing the internal structure of the air heater, and when the fan of the air heater needs to be disassembled and assembled, the operator starts a disassembling and assembling pushing device through an external power switch, after the disassembly and assembly pushing device is started, the first ventilation box 1 and the second ventilation box 2 are driven to be away from each other, so that a space which is convenient to disassemble and assemble can be moved and exposed between the first ventilation box 1 and the second ventilation box 2, the installation block 7 can be fixed inside the first ventilation box 1, a circular through hole 8 is formed inside the installation block 7, a moving cylinder 9 is inserted inside the installation block 7 in a sliding mode, a second support frame 56 is fixed at the end part of the moving cylinder 9, a rotating block 24 is rotatably installed on a side wall disassembly and assembly position reducing device of the second support frame 56, the rotating block 24 can support and install a rotating rod 25 and support and install a fan blade 26 through the rotating rod 25, the fan blade 26 is installed inside the moving cylinder 9, the fan blade 26 can drive air flow to pass through the moving cylinder 9 during rotation so as to drive the air flow to flow, and therefore air blowing is facilitated to drive the air flow, threaded sleeve 28 passes through screw rod 27 and installs the tip at dwang 25, thereby fix fan leaf 26 through threaded sleeve 28, thereby be favorable to avoiding fan leaf 26 to shake and break away from and influence the work of fan at the rotation in-process, the in-process that keeps away from each other at first ventilation case 1 and second ventilation case 2 pulls the outside removal of moving section of thick bamboo 9 to circular through-hole 8, thereby drive dismouting dislocation system through the interact linkage of circular through-hole 8 with moving section of thick bamboo 9, dismouting dislocation system drives turning block 24 and passes opening 54 descending position after starting, make turning block 24 can drive dwang 25, fan leaf 26 descends the position to the downstream, thereby make the high reduction of fan leaf 26, fan leaf 26 after the height reduction can make things convenient for the operator to carry out the dismouting, thereby be favorable to making things convenient for the operator to carry out the air heater fan that is located dryer top eminence, rotation drive arrangement can drive screw rod 27 and rotate, thereby the dwang drives 25 and fan leaf 26 and rotates.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.

Claims

1. A hot air motor convenient for fan blade installation comprises a first ventilation box (1) and a second ventilation box (2), and is characterized in that an installation block (7) is fixed inside the first ventilation box (1), a dismounting pushing device is installed between the installation block (7) and the second ventilation box (2), and the dismounting pushing device is used for pushing the first ventilation box (1) and the second ventilation box (2) to be away from each other;

a third ventilation box (5) is fixed inside the second ventilation box (2), a heating wire (6) is fixed inside the third ventilation box (5), and the heating wire (6) is communicated with an external power supply;

circular through holes (8) are symmetrically formed in the mounting block (7) in a penetrating mode, moving cylinders (9) are connected to the insides of the two circular through holes (8) in a sliding mode, openings (54) are formed in the bottoms of the moving cylinders (9) in a penetrating mode, a second supporting frame (56) is fixed to one end, facing the second ventilating box (2), of each moving cylinder (9), one side, facing away from the second ventilating box (2), of each second supporting frame (56) is rotatably provided with a rotating block (24) through a dismounting and lowering device, and the dismounting and lowering device is used for driving the rotating block (24) to penetrate through the openings (54) to move downwards to lower when the first ventilating box (1) and the second ventilating box (2) are far away from each other;

a rotating rod (25) is fixed on one side, back to the second ventilating box (2), of the rotating block (24), a fan blade (26) is sleeved outside the rotating rod (25) in a sliding mode, a screw rod (27) is fixed on one end, back to the rotating block (24), of the rotating rod (25), a threaded sleeve (28) is sleeved on an external thread of the screw rod (27), a rotation driving device is installed between the screw rod (27) and the circular through hole (8), and the rotation driving device is used for driving the screw rod (27) to rotate;

the disassembly and assembly pushing device comprises four first straight rods (3) and four cylinders (4), the first straight rods (3) are fixed to four corners of one side, facing the first ventilation box (1), of the second ventilation box (2), the cylinders (4) are fixed to four corners of one side, facing away from the second ventilation box (2), of the mounting block (7), and the end portions of the four first straight rods (3) penetrate through the mounting block (7) and then are fixedly connected with telescopic rods of the cylinders (4);

the dismounting and positioning device comprises a fixed sliding rail (10) and a fixed frame (57), the fixed sliding rail (10) is fixed on one side of the second support frame (56) opposite to the second ventilation box (2), a movable sliding rail (11) is inserted in the fixed sliding rail (10) in a sliding manner, a movable rod (12) is inserted in one side of the movable sliding rail (11) in a sliding manner, a first thread groove (13) is formed in the middle of the inner portion of the movable rod (12), a second straight rod (14) is inserted in the first thread groove (13), a third thread slider (22) is fixed on the outer wall of the bottom end of the second straight rod (14), the third thread slider (22) is in threaded connection with the first thread groove (13), a second thread groove (15) is formed in the second straight rod (14), a third straight rod (16) is inserted in the second thread groove (15), a second thread slider (21) is fixed on the outer wall of the bottom end of the third thread slider (16), a second thread slider (21) is connected with the second thread groove (15), a fourth thread groove (18) is formed in the outer wall of the third straight rod (17), and a fourth thread slider (18) is inserted in the straight rod (17), the first threaded sliding block (20) is in threaded connection with the third threaded groove (17), the top of the fourth straight rod (18) penetrates through the movable cylinder (9) and a driving mechanism is installed between the installation blocks (7) and used for driving the fourth straight rod (18) to rotate, a fixing frame (57) is fixed between two second supporting frames (56) facing one sides of the second ventilating boxes (2), the fixing frame (57) is fixedly connected with the second ventilating boxes (2), one side, back to the second ventilating boxes (2), of the movable rod (12) is fixedly provided with a fixing block (19), the lower half end of the fixed sliding rail (10) is provided with a yielding space facing one side of the second ventilating boxes (2), and the fixing block (19) penetrates through the yielding space and then extends out to be in rotary connection with the rotating block (24);

the driving mechanism comprises a mounting groove (55), the mounting groove (55) is formed in one side, facing the second ventilating box (2), of the mounting block (7), a first rack (34) is fixed inside the mounting groove (55), the first rack (34) extends to the inside of the second ventilating box (2), a first gear (23) is arranged inside the mounting groove (55), and the first gear (23) is fixedly connected with the top of the fourth straight rod (18);

the rotary driving device comprises a first support frame (32), wherein the first support frame (32) is fixed to the round through hole (8) back to one end of the second air passing box (2), the first support frame (32) back to one side of the second air passing box (2) is fixed with a motor (33), an output shaft of the motor (33) penetrates through the first support frame (32) and then extends to the inside of the round through hole (8), the end part of the output shaft of the motor (33) is fixed with a rotary sleeve (30), the rotary sleeve (30) back to one end of the motor (33) is movably inserted with a cross-shaped rod (29), the cross-shaped rod (29) is fixedly connected with the end part of the screw rod (27), the outer fixing sleeve of the rotary sleeve (30) is provided with a rotary support (31), and the outer ring of the rotary support (31) is rotatably connected with the inner wall of the round through hole (8).

2. The hot air motor convenient for fan blade installation as claimed in claim 1, wherein the outer wall of the cross-shaped rod (29) is slidably sleeved with a rubber pad (35), a first rotating disc (36) is fixed on one side of the rubber pad (35) facing away from the rotating sleeve (30), a second rotating disc (37) is rotatably installed on one side of the first rotating disc (36) facing away from the rubber pad (35), and the second rotating disc (37) is in contact with the end of the threaded sleeve (28).

3. The hot air motor convenient for fan blade installation according to claim 2, wherein the rubber pad (35) has a second rack (38) symmetrically fixed on the side wall facing the rotating sleeve (30), the cross-shaped side wall of the cross-shaped rod (29) has a third rack (40) symmetrically fixed thereon, the rotating sleeve (30) has a groove symmetrically arranged therein, a second gear (39) is rotatably mounted inside the groove, the second gear (39) is engaged with the third rack (40), the end of the second rack (38) is slidably inserted into the groove, and the second rack (38) is engaged with the second gear (39).

4. The hot air motor convenient for fan blade installation as claimed in claim 1, wherein an inner groove (41) is formed through the inside of the fixed block (19), a turning rod (42) is rotatably installed inside the inner groove (41), a plurality of insertion grooves (46) are formed in a circumferential array on one side of the rotating block (24) facing the fixed block (19), and a spring (47) is jointly fixed between one end of the turning rod (42) far away from the insertion grooves (46) and the inner wall of the inner groove (41).

5. The hot air motor convenient for fan blade installation according to claim 4, wherein a second magnetic block (48) is fixedly connected to the side wall of the fixed sliding rail (10), a first magnetic block (43) is fixed to the top of the fixed block (19), and the first magnetic block (43) is matched with the second magnetic block (48).

6. A method for installing a hot air motor with fan blades convenient to install is suitable for the hot air motor with the fan blades convenient to install, which is disclosed by any one of claims 1 to 5, and is characterized by comprising the following steps of:

step one, separating a first ventilation box (1) from a second ventilation box (2): when the fan blades need to be disassembled, assembled and cleaned, an operator starts the disassembling and assembling pushing device, and the disassembling and assembling pushing device drives the first ventilating box (1) and the second ventilating box (2) to be away from the disassembling and assembling space;

step two, the position reduction of fan blades: when the first ventilation box (1) and the second ventilation box (2) are far away from each other, the mutual action of the first ventilation box (1) and the second ventilation box (2) starts the dismounting and lowering device, and the dismounting and lowering device drives the fan blade (26) to pass through the opening (54) to move downwards to be lowered after being started;

step three, disassembling fan blades: the fan blade (26) is lowered to the height of an operator, the operator loosens the fan blade (26) after rotating the threaded sleeve (28), and then the operator pulls out the fan blade (26) for cleaning;

step four, installing fan blades: the operator inserts dwang (25) outside back again with fan leaf (26) after the clearance, rotates installation thread bush (28) fixed fan leaf (26), starts dismouting thrust unit again afterwards and drives first ventilation case (1) and second ventilation case (2) and be close to each other, when first ventilation case (1) and second ventilation case (2) are close to each other, linkage dismouting is fallen the device and is started to drive fan leaf (26) again and move up the installation that resets and accomplish fan leaf (26).