A furniture painting and leveling production device

Abstract

The present invention discloses a furniture painting and leveling production device, including a base, the top of the base is rotatably connected with a connecting shaft, the outer side of the connecting shaft is sleeved and fixed with a gear, a motor is placed on the outer side of the base, the motor and the connecting shaft are drivingly connected, the top of the connecting shaft is connected with a fixed platform, a reduction box is arranged between the connecting shaft and the fixed platform, the reduction box is connected to the base through a fixed frame, the input end of the reduction box is fixedly connected with the connecting shaft, and the output end of the reduction box is fixedly connected with the fixed platform. The present invention drives the connecting shaft and the fixed platform to rotate by the motor, so that the furniture on the fixed platform rotates, which is conducive to the paint spraying of the furniture in all aspects, the rotation of the connecting shaft transmits kinetic energy to the slide plate through the gear and the rack, the slide plate drives the push rod and the piston to move, and the hot air around the electric heating wire in the fixed tube is blown out through the exhaust pipe, thereby increasing the air temperature around the furniture, so that the moisture in the paint can be dried quickly.

Description

Technical Field

[0001] The invention belongs to the technical field of paint leveling, and in particular relates to a furniture painting leveling production device. Background Art

[0002] Paint leveling refers to the process in which the paint gradually shrinks to the smallest area due to surface tension after application but before it dries to form a film.

[0003] The existing technology has the following problems: after the furniture is painted, the moisture in the paint will increase the drying time, thereby reducing the leveling efficiency; and when the existing furniture is painted, the angle of the furniture remains unchanged, which is not conducive to the full coverage of the furniture by the paint. Summary of the invention

[0004] The purpose of the present invention is to provide a device that drives a piston to move through a gear so that the piston passes the hot air around the heating wire to the surrounding of the furniture to dry the moisture in the paint, so as to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a furniture painting and leveling production device, comprising a base, the top end of the base is rotatably connected to a connecting shaft, the outer side of the connecting shaft is sleeved with a gear and fixed, a motor is placed on the outer side of the base, the motor and the connecting shaft are transmission-connected, the top end of the connecting shaft is connected to a fixed platform, a reduction gearbox is arranged between the connecting shaft and the fixed platform, the reduction gearbox is connected to the base through a fixing frame, the input end of the reduction gearbox is fixedly connected to the connecting shaft, the output end of the reduction gearbox is fixedly connected to the fixed platform, and a groove is provided on the top surface of the fixed platform.

[0006] A slide rail is placed on the outer side of the base, a slide plate is arranged on the slide rail, and a rack meshing with the gear is connected to one side of the slide plate.

[0007] A connecting pipe is provided on the outer side of the base, a fixed pipe is provided on one side of the connecting pipe, a connecting frame is connected to the side of the slide away from the rack, a push rod is connected to one side of the connecting frame, a piston is connected to one end of the push rod, a fixing groove for sliding of the piston is provided inside the connecting pipe, a plurality of heating wires are provided inside the fixed pipe, a plurality of one-way valves are provided on the outer side of the fixed pipe, the one-way valve is used to pass the gas in the fixed pipe to the outside, and a plurality of exhaust pipes are connected to the output end of the one-way valve.

[0008] The outside of the fixed pipe is connected to an air intake pipe, the outer end of the air intake pipe is connected to a one-way valve 2, the one-way valve 2 is used to allow external gas to pass into the fixed pipe, the outer end of the one-way valve 2 is connected to an air intake pipe, and a mesh cylinder is detachably connected to the inside of the air intake pipe, and multiple activated carbons are placed inside the mesh cylinder.

[0009] At least two of the exhaust pipes are provided with plug-in grooves on their side walls, baffles are slidably arranged in the plug-in grooves, and a driving assembly is provided on the outer side of the fixed pipe, and the driving assembly is used to drive the baffles on each exhaust pipe to slide.

[0010] The driving assembly comprises a worm, a worm wheel meshing with the worm, and a power mechanism driving the worm wheel to rotate. One end of the worm is fixedly connected to a corresponding baffle plate, and the worm drives the baffle plate to slide in the plug-in slot.

[0011] In a preferred embodiment, a telescopic rod is connected to one side of the fixed tube, and the telescopic rod is used to support and guide the worm to slide.

[0012] In a preferred embodiment, the exhaust duct is arranged at an angle, and the air outlet of the exhaust duct faces the furniture placed on the groove.

[0013] In a preferred embodiment, the output end of the motor is connected to a belt pulley via a coupling, the outer side wall of the connecting shaft is also connected to a belt pulley, a belt is sleeved on the belt pulley, and the motor and the connecting shaft are connected through the belt and belt pulley transmission.

[0014] In a preferred embodiment, a sealing ring is sleeved and fixed on the outer side of the baffle.

[0015] In a preferred embodiment, a slide groove is provided in the slide rail, and a plurality of rollers are provided on the inner wall of the slide groove along the vertical direction, and the slide plate slides in the slide groove via the rollers.

[0016] In a preferred embodiment, the power mechanism includes a driving sprocket connected to one side of a fixed tube, a crank handle for driving the driving sprocket to rotate is installed on the outer side of the driving sprocket, the driven sprocket corresponds to the worm wheel and is sleeved on the rotating shaft on which the worm wheel is installed, and a chain drive is connected to the driving sprocket and each driven sprocket.

[0017] In a preferred embodiment, a guide groove is provided on the plug-in slot, and the outer end of the baffle is connected to a guide rod sliding in the guide groove.

[0018] In a preferred embodiment, the air inlet pipe is an S-shaped structure, and two threaded grooves are symmetrically provided on the inner wall of the air inlet pipe. The top and the outer side of the mesh tube are respectively provided with a first threaded column and a second threaded column. The first threaded column and the second threaded column are detachably connected to the threaded grooves at corresponding positions, and the bottom end of the mesh tube is connected to a handle located outside the air inlet pipe.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] The present invention drives the connecting shaft and the fixing platform to rotate through a motor, so that the furniture on the fixing platform rotates, which is conducive to the paint spraying of the furniture in all directions. The connecting shaft rotates to transmit kinetic energy to the slide plate through the gear and the rack, and the slide plate drives the push rod and the piston to move, and the hot air around the electric heating wire in the fixing pipe is blown out through the exhaust pipe, thereby increasing the air temperature around the furniture, so that the moisture in the paint can be quickly dried, and the effect of efficient leveling is achieved;

[0021] When the piston moves backward, the one-way valve 2 is used to inhale the external paint waste gas into the air intake pipe, and the activated carbon in the air intake pipe purifies the waste gas to achieve the effect of purifying the air. When the piston moves forward, the one-way valve 1 is used to exhaust the hot air around the electric heating wire into the external environment.

[0022] The present invention drives the baffle to slide through a driving component, so that the baffle can be moved to the plug-in slot, thereby achieving the effect of changing the diameter of the air outlet of the exhaust pipe, thereby adjusting the output of hot air, thereby adjusting the drying time, and further achieving the effect of easy operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

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

[0025] Figure 2 It is a structural diagram of the overall bottom of the present invention;

[0026] Figure 3 For the present invention Figure 2 Structural cutaway diagram of the middle slide rail and the slide plate;

[0027] Figure 4 For the present invention Figure 1 Structural cutaway diagram of the middle air intake pipe;

[0028] Figure 5 For the present invention Figure 1 Schematic diagram of the structure of the fixed pipe;

[0029] Figure 6 For the present invention Figure 5 The structural stereogram of the middle exhaust duct;

[0030] In the figure: 1. base; 2. motor; 3. gear; 4. fixed platform; 41. groove; 5. connecting shaft; 6. fixed groove; 7. exhaust pipe; 8. heating wire; 9. fixed pipe; 10. connecting pipe; 11. push rod; 12. connecting frame; 13. slide plate; 14. rack; 15. telescopic rod; 16. piston; 17. handle; 18. net cylinder; 19. slide rail; 191. roller; 20. belt; 21. one-way valve 1; 22. fixed frame; 23. reduction box; 24. suction pipe; 25. one-way valve 2; 26. first threaded column; 27. intake pipe; 28. activated carbon; 29. ​​second threaded column; 30. worm; 31. worm wheel; 32. chain; 33. driving gear; 34. crank; 35. baffle; 36. sealing ring; 37. guide groove; 38. plug-in groove; 39. guide rod. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] Example

[0033] See also Figure 1-6 The present invention provides the following technical solutions: a furniture painting and leveling production device, comprising a base 1, a connecting shaft 5 is rotatably connected to the top of the base 1, a gear 3 is fixedly mounted on the outer side of the connecting shaft 5, a motor 2 is placed on the outer side of the base 1, the motor 2 and the connecting shaft 5 are transmission-connected, a fixed platform 4 is connected to the top of the connecting shaft 5, a reduction box 23 is arranged between the connecting shaft 5 and the fixed platform, the reduction box 23 is connected to the base 1 through a fixing frame 22, an input end of the reduction box 23 is fixedly connected to the connecting shaft 5, an output end of the reduction box 23 is fixedly connected to the fixed platform 4, and a groove 41 is provided on the top surface of the fixed platform 4.

[0034] A slide rail 19 is placed on the outer side of the base 1 , a slide plate 13 is arranged on the slide rail 19 , and a rack 14 meshing with the gear 3 is connected to one side of the slide plate 13 .

[0035] A connecting pipe 10 is provided on the outside of the base 1, and a fixed pipe 9 is provided on one side of the connecting pipe 10. A connecting frame 12 is connected to the side of the slide plate 13 away from the rack 14, and a push rod 11 is connected to one side of the connecting frame 12. A piston 16 is connected to one end of the push rod 11. A fixing groove 6 for sliding the piston 16 is provided inside the connecting pipe 10. A plurality of heating wires 8 are provided inside the fixed pipe 9. A plurality of one-way valves 21 are provided on the outside of the fixed pipe 9. The one-way valve 21 is used to pass the gas in the fixed pipe 9 to the outside, and a plurality of exhaust pipes 7 are connected to the output end of the one-way valve 21.

[0036] The outside of the fixed pipe 9 is connected to an air intake pipe 27, the outer end of the air intake pipe 27 is connected to a one-way valve 25, the one-way valve 25 is used to allow external gas to pass into the fixed pipe 9, the outer end of the one-way valve 25 is connected to an air intake pipe 24, and the air intake pipe 27 is detachably connected to a mesh tube 18, and a plurality of activated carbons 28 are placed inside the mesh tube 18.

[0037] At least two exhaust pipes 7 are provided with plug-in slots 38 on their side walls, and baffles 35 are slidably arranged in the plug-in slots 38 . A driving assembly is provided on the outer side of the fixed pipe 9 , and the driving assembly is used to drive the baffles 35 on each exhaust pipe 7 to slide.

[0038] The driving assembly includes a worm 30 , a worm wheel 31 meshing with the worm 30 , and a power mechanism driving the worm wheel 31 to rotate. One end of the worm 30 is fixedly connected to a corresponding baffle 35 , and the worm 30 drives the baffle 35 to slide in the insertion slot 38 .

[0039] In this embodiment, the motor 2 drives the connecting shaft 5 to rotate on the base 1. When the connecting shaft 5 rotates, the kinetic energy is transmitted to the reduction box 23. The reduction box 23 transmits the kinetic energy to the fixed platform 4 after deceleration, so that the fixed platform 4 and the furniture in the groove 41 can rotate stably, which is conducive to the paint spraying of the furniture in all aspects. The connecting shaft 5 rotates to transmit the kinetic energy to the slide plate 13 through the gear 3 and the rack 14. The slide plate 13 drives the push rod 11 and the piston 16 to move through the connecting frame 12, pushing the air into the fixed tube 9, so that the hot air around the electric heating wire 8 in the fixed tube 9 is blown out to the outside through the exhaust pipe 7, thereby increasing the air temperature around the furniture, so that the moisture in the paint can be In order to achieve fast drying and efficient leveling, when the piston 16 retreats, it will inhale through the suction pipe 24 and the one-way valve 25, and suck the external paint waste gas into the intake pipe 27. The activated carbon 28 in the intake pipe 27 purifies the waste gas to achieve the effect of purifying the air. When the piston 16 moves forward, it will exhaust through the one-way valve 21, and the hot air around the heating wire 8 will be introduced into the external environment. The baffle 35 is driven to slide by the driving component, so that the baffle 35 can slide in the plug-in slot 38, so as to change the diameter of the air outlet of the exhaust pipe 7, thereby adjusting the output of the hot air and adjusting the drying time, thereby achieving the effect of easy operation.

[0040] Specifically, a telescopic rod 15 is connected to one side of the fixed tube 9, and the telescopic rod 15 is used to support and guide the sliding of the worm 30; the worm wheel 31 is driven to rotate by a power mechanism, and the worm wheel 31 drives the worm 30 to rotate, and the movement of the worm 30 drives the baffle 35 to slide in the plug-in slot 38, thereby achieving the effect of adjusting the diameter of the air outlet of the exhaust duct 7. When the baffle 35 moves, the telescopic rod 15 will change its length accordingly, thereby achieving the effect of supporting the baffle 35, so that the baffle 35 can slide stably.

[0041] Specifically, the exhaust duct 7 is arranged at an angle, and the air outlet of the exhaust duct 7 faces the furniture placed on the groove 41; the exhaust duct 7 can guide the hot air to the furniture, so that the air around the furniture is quickly heated up.

[0042] Specifically, the output end of the motor 2 is connected to a belt pulley through a coupling, and the outer wall of the connecting shaft 5 is also connected to a belt pulley. A belt 20 is sleeved on the belt pulley, and the motor 2 and the connecting shaft 5 are connected through the belt 20 and the belt pulley. When the output shaft of the motor 2 rotates, the kinetic energy is transferred to the connecting shaft 5 through the belt 20 and the belt pulley, thereby driving the connecting shaft 5 to rotate.

[0043] Specifically, a sealing ring 36 is sleeved and fixed on the outer side of the baffle 35; after the baffle 35 is inserted into the insertion groove 38, the sealing ring 36 can fill the gap to avoid air leakage and achieve a sealing effect.

[0044] Specifically, a slide groove is provided in the slide rail 19, and a plurality of rollers 191 are provided on the inner wall of the slide groove in the vertical direction. The slide plate 13 slides in the slide groove through the rollers 191; the gear 3 rotates and transmits kinetic energy to the slide plate 13 through the rack 14, so that the slide plate 13 slides in the slide groove. The rollers 191 can reduce the friction between the slide plate 13 and the slide groove, thereby achieving the effect of facilitating sliding.

[0045] Specifically, the power mechanism includes a driving sprocket connected to one side of the fixed tube 9, a crank handle 34 for driving the driving sprocket to rotate is installed on the outer side of the driving sprocket, the driven sprocket corresponds to the worm wheel 31 and is sleeved on the rotating shaft on which the worm wheel 31 is installed, and the chain transmission is connected to the driving sprocket and each driven sprocket; the staff rotates the crank handle 34, and the crank handle 34 drives the driving sprocket to rotate, and transmits kinetic energy to each driven sprocket through the chain. After the driven sprocket rotates, it drives the corresponding worm wheel 31 to rotate, thereby achieving the effect of outputting power.

[0046] Specifically, a guide groove 37 is provided on the plug-in groove 38, and the outer end of the baffle 35 is connected to a guide rod 39 that slides in the guide groove 37; when the baffle 35 slides in the plug-in groove 38, the guide rod 39 will slide in the guide groove 37, and the guide rod 39 and the guide groove 37 have the effect of guiding and supporting the baffle 35, so that the baffle 35 is more stable when sliding.

[0047] Specifically, the air intake pipe 27 is an S-shaped structure, and two threaded grooves are symmetrically provided on the inner wall of the air intake pipe 27. The top and outer sides of the mesh tube 18 are respectively provided with a first threaded column 26 and a second threaded column 29, and the first threaded column 26 and the second threaded column 29 are detachably connected to the threaded grooves at corresponding positions, and the bottom end of the mesh tube 18 is connected to a handle 17 located outside the air intake pipe 27; the staff puts the activated carbon into the mesh tube 18, and then installs the mesh tube 18 on the air intake pipe 27. During installation, the mesh tube 18 is rotated so that the first threaded column 26 and the second threaded column 29 can be installed in the corresponding threaded grooves, thereby achieving the effect of easy installation and easy disassembly. The S-shaped air intake pipe 27 can prolong the time that the paint exhaust gas stays in the air intake pipe 27, thereby achieving the effect of fully purifying the exhaust gas.

[0048] The working principle and use process of the present invention are as follows: the staff puts the activated carbon into the mesh tube 18, and then installs the mesh tube 18 on the air intake pipe 27. During installation, the mesh tube 18 is rotated so that the first threaded column 26 and the second threaded column 29 can be installed in the corresponding threaded groove, so as to achieve the effect of easy installation and easy disassembly. The S-shaped air intake pipe 27 can prolong the time that the paint exhaust gas stays in the air intake pipe 27. The furniture is placed in the groove 41 on the fixed table 4, and the furniture is painted. The motor 2 is turned on, and the motor 2 drives the connecting shaft 5 to rotate on the base 1. When the connecting shaft 5 rotates, the kinetic energy is transmitted to the reduction box 23. The reduction box 23 decelerates the kinetic energy and transmits it to the fixed table 4, so that the fixed table 4 and the furniture in the groove 41 can rotate stably, which is conducive to the paint spraying of the furniture in all aspects. The connecting shaft 5 rotates to transmit the kinetic energy to the slide plate 13 through the gear 3 and the rack 14. The slide plate 13 drives the push rod 11 and the piston 16 to move through the connecting frame 12, and pushes the air into the fixed tube 9, thereby heating the area around the electric heating wire 8 in the fixed tube 9. The hot air is blown out to the outside through the exhaust pipe 7, thereby increasing the air temperature around the furniture, so that the moisture in the paint can be dried quickly, achieving the effect of efficient leveling. When the piston 16 retreats, it will inhale through the suction pipe 24 and the one-way valve 25, and the external paint exhaust gas will be sucked into the intake pipe 27. The activated carbon 28 in the intake pipe 27 purifies the exhaust gas to achieve the effect of purifying the air. When the piston 16 moves forward, it will exhaust through the one-way valve 21, and the hot air around the electric heating wire 8 will be passed into the external environment. The staff rotates the crank 34, and the crank 34 drives the active sprocket to rotate, and transmits the kinetic energy to each driven sprocket through the chain. After the driven sprocket rotates, it drives the corresponding worm gear 31 to rotate, thereby achieving the effect of output power. The worm gear 31 then drives the worm 30 to rotate, and the worm 30 moves to drive the baffle 35 to slide in the plug-in slot 38, thereby achieving the effect of changing the diameter of the air outlet of the exhaust pipe 7, thereby adjusting the output of the hot air, adjusting the drying time, and achieving the effect of easy operation.

[0049] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0050] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A furniture painting and leveling production device, comprising a base (1), characterized in that: The top of the base (1) is rotatably connected to a connecting shaft (5), a gear (3) is sleeved and fixed on the outer side of the connecting shaft (5), a motor (2) is placed on the outer side of the base (1), the motor (2) and the connecting shaft (5) are transmission-connected, the top of the connecting shaft (5) is connected to a fixed platform (4), a reduction gearbox (23) is provided between the connecting shaft (5) and the fixed platform, the reduction gearbox (23) is connected to the base (1) via a fixed frame (22), the input end of the reduction gearbox (23) is fixedly connected to the connecting shaft (5), the output end of the reduction gearbox (23) is fixedly connected to the fixed platform (4), and a groove (41) is provided on the top surface of the fixed platform (4); A slide rail (19) is placed on the outer side of the base (1), a slide plate (13) is arranged on the slide rail (19), and a rack (14) meshing with the gear (3) is connected to one side of the slide plate (13); A connecting pipe (10) is arranged on the outside of the base (1), a fixed pipe (9) is arranged on one side of the connecting pipe (10), a connecting frame (12) is connected to the side of the slide plate (13) away from the rack (14), a push rod (11) is connected to one side of the connecting frame (12), one end of the push rod (11) is connected to a piston (16), a fixing groove (6) for sliding the piston (16) is provided inside the connecting pipe (10), a plurality of electric heating wires (8) are arranged inside the fixed pipe (9), a plurality of one-way valves (21) are arranged on the outside of the fixed pipe (9), the one-way valves (21) are used to pass the gas in the fixed pipe (9) to the outside, and the output end of the one-way valve (21) is connected to a plurality of exhaust pipes (7); The outer side of the fixed pipe (9) is connected to an air intake pipe (27), the outer end of the air intake pipe (27) is connected to a second one-way valve (25), the second one-way valve (25) is used to allow external air to enter the fixed pipe (9), the outer end of the second one-way valve (25) is connected to an air intake pipe (24), the air intake pipe (27) is detachably connected to a net cylinder (18), a plurality of activated carbons (28) are placed inside the net cylinder (18); At least two of the exhaust pipes (7) are provided with plug-in grooves (38) on their side walls, and baffles (35) are slidably arranged in the plug-in grooves (38). A driving assembly is provided on the outer side of the fixed pipe (9), and the driving assembly is used to drive the baffles (35) on each exhaust pipe (7) to slide. The driving assembly comprises a worm (30), a worm wheel (31) meshing with the worm (30), and a power mechanism driving the worm wheel (31) to rotate; one end of the worm (30) is fixedly connected to a corresponding baffle (35); the worm (30) drives the baffle (35) to slide in the plug-in slot (38); A telescopic rod (15) is connected to one side of the fixed tube (9), and the telescopic rod (15) is used to support and guide the worm (30) to slide; The exhaust duct (7) is arranged at an angle, and the air outlet of the exhaust duct (7) faces the furniture placed on the groove (41).

2. A furniture painting and leveling production device according to claim 1, characterized in that: The output end of the motor (2) is connected to a belt pulley via a coupling, and the outer wall of the connecting shaft (5) is also connected to a belt pulley. A belt (20) is sleeved on the belt pulley, and the motor (2) and the connecting shaft (5) are connected in a transmission manner via the belt (20) and the belt pulley.

3. A furniture painting and leveling production device according to claim 1, characterized in that: A sealing ring (36) is sleeved and fixed on the outer side of the baffle (35).

4. A furniture painting and leveling production device according to claim 1, characterized in that: A slide groove is provided in the slide rail (19), and a plurality of rollers (191) are arranged on the inner wall of the slide groove in a vertical direction. The slide plate (13) slides in the slide groove via the rollers (191).

5. The furniture painting and leveling production device according to claim 1, characterized in that: The power mechanism comprises a driving sprocket connected to one side of a fixed tube (9), a crank (34) for driving the driving sprocket to rotate is installed on the outer side of the driving sprocket, a driven sprocket corresponds to the worm wheel (31) and is sleeved on a rotating shaft on which the worm wheel (31) is installed, and a chain drive is connected to the driving sprocket and each driven sprocket.

6. A furniture painting and leveling production device according to claim 1, characterized in that: The inserting groove (38) is provided with a guide groove (37), and the outer end of the baffle (35) is connected to a guide rod (39) that slides in the guide groove (37).

7. The furniture painting and leveling production device according to claim 1, characterized in that: The air inlet pipe (27) is an S-shaped structure. Two threaded grooves are symmetrically provided on the inner wall of the air inlet pipe (27). A first threaded column (26) and a second threaded column (29) are respectively provided at the top and the outer side of the net tube (18). The first threaded column (26) and the second threaded column (29) are detachably connected to the threaded grooves at corresponding positions. The bottom end of the net tube (18) is connected to a handle (17) located outside the air inlet pipe (27).

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