Electric air suction and exhaust machine

Abstract

The utility model relates to the field of daily machinery, in particular to an electric air suction and exhaust machine which is used for sucking waste gas in one place and exhausting the waste gas to another place. Comprising a screw I, an end cover, a base, a transmission combination, a motor and a screw II. The electric inspiration and exhauster is convenient to use, simple and convenient to operate and capable of conveniently absorbing and exhausting waste gas such as poison gas and odor.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of daily mechanical, more specifically, relate to a kind of electric suction and exhaust machine for the waste gas of one place is inhaled and is discharged to another place. BACKGROUND

[0002] In industrial production and life, often there will be toxic gas, odor and other waste gas, need to be absorbed and discharged in time, which needs a kind of convenient use suction and exhaust machinery. INVENTION CONTENTS

[0003] In order to solve this problem, the utility model provides a kind of electric suction and exhaust machine, can absorb and discharge toxic gas, odor and other waste gas.

[0004] The technical scheme adopted by the utility model is:

[0005] The electric suction and exhaust machine includes screw I, end cover, base, transmission combination, motor and screw II.

[0006] The end cover is provided with exhaust head, end cover mesa, end cover outer circle and end cover end face.

[0007] More preferably, the end cover is made of aluminum alloy die casting and is processed by metal cutting, or is made of engineering plastic injection molding.

[0008] Further, the end cover mesa and the end cover end face are parallel and perpendicular to the center axis of the end cover outer circle.

[0009] The base is provided with suction head, base center hole, motor mounting plate, overdrive gear mounting column, base inner end face, base inner circle and base end face.

[0010] More preferably, the base is made of aluminum alloy die casting and is processed by metal cutting, or is made of engineering plastic injection molding.

[0011] Further, the base plate of the base has four through holes for fixing to the ground or other workbench surface by foundation bolts or T-shaped bolts.

[0012] Further, the base center hole is coaxial with the base inner circle.

[0013] Further, the center axis of the base center hole is parallel to the motor mounting plate.

[0014] Further, the three overdrive gear mounting columns are evenly distributed on the base inner end face and take the center axis of the base center hole as the center line.

[0015] Further, the inner end face of the base is parallel to the base end face and perpendicular to the central axis of the central hole of the base.

[0016] The transmission combination comprises an inner toothed compound wheel, an overdrive gear snap ring, an overdrive gear, a driving gear snap ring and a driving gear.

[0017] The inner toothed compound wheel is provided with an inner gear, an inner gear end face, an inner gear outer circle, a compound wheel end face and fan blades.

[0018] Preferably, the inner toothed compound wheel is made of aluminum alloy by pressure casting and is processed by metal cutting, or the inner toothed compound wheel is made of engineering plastic by injection molding.

[0019] Further, the inner gear is coaxial with the inner gear outer circle, and the central axes thereof are perpendicular to the inner gear end face.

[0020] Further, the compound wheel end face is parallel to the inner gear end face.

[0021] Further, the three fan blades are evenly distributed on the compound wheel end face.

[0022] The exposed part of the rotor shaft of the motor is a notched cylinder, and the outer head of the cylinder has a snap ring groove.

[0023] The rotor shaft of the motor is inserted into the central hole of the base, and the motor is fixedly connected to the motor mounting plate through the screw II.

[0024] The inner hole of the driving gear is a notched hole.

[0025] The driving gear is mounted on the rotor shaft of the motor and the driving gear snap ring is mounted.

[0026] The overdrive gear is mounted on the overdrive gear mounting column and the overdrive gear snap ring is mounted.

[0027] The overdrive gear is engaged with the driving gear.

[0028] The inner toothed compound wheel is mounted in the inner circle of the base, and the inner gear is engaged with the overdrive gear.

[0029] The end cover is fixedly connected to the base through the screw I. The outer circle of the end cover is coaxial with the inner circle of the base and is in clearance fit. The end face of the end cover is parallel to the compound wheel end face and is in clearance fit. The inner gear end face is parallel to the inner end face of the base and is in clearance fit.

[0030] The beneficial effects of the utility model are as follows:

[0031] The electric air suction and exhaust machine is convenient to use and operate, and can conveniently suck and exhaust waste gas such as toxic gas and odor. BRIEF DESCRIPTION OF DRAWINGS

[0032] The technical scheme of the utility model will be further described below in combination with the drawings of the utility model:

[0033] Figure 1 It is a structural schematic view of the utility model.

[0034] Figure 2 It is an explosion view of the utility model.

[0035] Figure 3 It is an explosion view of the transmission combination.

[0036] Figure 4 , Figure 5 It is a structural schematic view of the end cover.

[0037] Figure 6 , Figure 7 It is a structural schematic view of the base.

[0038] Figure 8 , Figure 9 It is a structural schematic view of the inner tooth composite wheel.

[0039] In the drawing, 1. screw I, 2. end cover, 3. base, 4. transmission combination, 5. motor, 6. screw II, 21. exhaust head, 22. end cover mesa, 23. end cover outer circle, 24. end cover end face, 31. air suction head, 32. base center hole, 33. motor mounting plate, 34. over gear mounting column, 35. base inner end face, 36. base inner circle, 37. base end face, 41. inner tooth composite wheel, 42. over gear circlip, 43. over gear, 44. driving gear circlip, 45. driving gear, 411. inner gear, 412. inner gear end face, 413. inner gear outer circle, 414. composite wheel end face, 415. fan blade. DETAILED DESCRIPTION

[0040] The technical scheme in the utility model embodiments will be further described below in combination with the drawings of the utility model embodiments; obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, and all other embodiments obtained by those skilled in the art without creative labor based on the embodiments in the utility model belong to the protection scope of the utility model.

[0041] This is a preferred embodiment of the utility model.

[0042] As Figures 1-2As shown, the electric air and exhaust machine comprises the screw I1, the end cover 2, the base 3, the transmission combination 4, the motor 5 and the screw II 6.

[0043] As shown, the end cover 2 is provided with the exhaust head 21, the end cover mesa 22, the end cover outer circle 23 and the end cover end face 24. Figures 4-5

[0044] Preferably, the end cover 2 is made of aluminum alloy by pressure casting and then is processed by metal cutting, or is made of engineering plastic by injection molding.

[0045] Preferably, the outer circular surface of the exhaust head 21 is tapered and is provided with a circumferential groove for connecting a flexible or semi-flexible exhaust pipe.

[0046] Further, the end cover mesa 22 and the end cover end face 24 are parallel and perpendicular to the central axis of the end cover outer circle 23.

[0047] Preferably, the end cover mesa 22, the end cover outer circle 23 and the end cover end face 24 should be cut at one time during the metal cutting process.

[0048] As shown, the base 3 is provided with the air intake head 31, the base center hole 32, the motor mounting plate 33, the over gear mounting column 34, the base inner end face 35, the base inner circle 36 and the base end face 37. Figures 6-7

[0049] Preferably, the base 3 is made of aluminum alloy by pressure casting and then is processed by metal cutting, or is made of engineering plastic by injection molding.

[0050] Preferably, the outer circular surface of the air intake head 31 is tapered and is provided with a circumferential groove for connecting a flexible or semi-flexible air intake pipe.

[0051] Further, the bottom plate of the base 3 has four through holes for being fixed to the ground or other workbench surface by anchor bolts or T-shaped bolts.

[0052] Further, the base center hole 32 is coaxial with the base inner circle 36.

[0053] Further, the central axis of the base center hole 32 is parallel to the motor mounting plate 33, and the distance between them is equal to the center height of the motor 5.

[0054] Further, the three over gear mounting columns 34 are evenly distributed on the base inner end face 35 and are centered on the central axis of the base center hole 32.

[0055] ​​Further, the base inner end face 35 is parallel to the base end face 37, and perpendicular to the central axis of the base central hole 32.

[0056] As shown in Figure 3 The transmission combination 4 includes the inner toothed compound wheel 41, the overdrive gear circlip 42, the overdrive gear 43, the driving gear circlip 44 and the driving gear 45.

[0057] Preferably, the overdrive gear 43 and the driving gear 45 are made of powder metallurgy or injection molded with engineering plastics.

[0058] As shown in Figures 8-9 The inner toothed compound wheel 41 is provided with the inner gear 411, the inner gear end face 412, the inner gear outer circle 413, the compound wheel end face 414 and the fan blade 415.

[0059] Preferably, the inner toothed compound wheel 41 is made of aluminum alloy die casting and metal cutting, or injection molded with engineering plastics.

[0060] Further, the inner gear 411 and the inner gear outer circle 413 have the same central axis, and the central axis is perpendicular to the inner gear end face 412.

[0061] Further, the compound wheel end face 414 is parallel to the inner gear end face 412.

[0062] Further, the three fan blades 415 are evenly distributed on the compound wheel end face 414, and the central axis of the inner gear outer circle 413 is the center line.

[0063] The inner hole of the driving gear 45 is a notched circular hole.

[0064] The exposed part of the rotor shaft of the motor 5 is a notched cylinder, and the outer part of the notched cylinder has a circlip groove, which matches the inner hole of the driving gear 45.

[0065] Insert the rotor shaft of the motor 5 into the base central hole 32, and fix the motor 5 to the motor mounting plate 33 by four screws II 6.

[0066] Install the driving gear 45 into the rotor shaft of the motor 5, and install the driving gear circlip 44.

[0067] Install the three overdrive gears 43 into the three overdrive gear mounting columns 34 respectively, and install one overdrive gear circlip 42 for each.

[0068] The over gear 43 is engaged with the driving gear 45.

[0069] The inner toothed gear wheel 41 is installed in the base inner circle 36, and the inner toothed gear 411 is engaged with the over gear 43.

[0070] The end cover 2 is fixedly connected to the base 3 by three screws I1. The end cover outer circle 23 is coaxial with the base inner circle 36, and is in clearance fit, preferably with a clearance of 0.05-0.1 mm. The end cover end face 24 is parallel to the gear wheel end face 414, and is in clearance fit, preferably with a clearance of 0.05-0.1 mm. The inner toothed gear end face 412 is parallel to the base inner end face 35, and is in clearance fit, preferably with a clearance of 0.05-0.1 mm.

[0071] In use, the electric air suction and exhaust machine is fixed to the ground or other workbench by anchor bolts or T bolts. A flexible or semi-flexible exhaust pipe of appropriate length is fixedly connected to the exhaust head 21, and the exhaust pipe outlet is placed outdoors or other suitable place. A flexible or semi-flexible air suction pipe of appropriate length is fixedly connected to the air suction head 31, and the air suction pipe inlet is placed at the source of exhaust gas or the place with the highest exhaust gas concentration. Preferably, the air suction pipe inlet is a horn mouth with a filter screen inside to prevent small stones, hairs, paper scraps and the like from being sucked in. The motor 5 is connected to a power source, and the start switch is turned on. The motor 5 works, driving the over gear 43 to rotate through the driving gear 45, and driving the inner toothed gear 411 to rotate. The fan blades 415 rotate, sucking the exhaust gas to be sucked away into the cavity of the electric air suction and exhaust machine through the air suction pipe, and then discharging the exhaust gas in the cavity through the exhaust pipe.

[0072] It should be finally pointed out that the above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit the protection scope of the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the essence and scope of the technical solutions of the present application.

Claims

1. An electric intake and exhaust motor, comprising screw I, end cap, base, transmission assembly, motor, and screw II; characterized in that: The end cap is provided with an exhaust head, an end cap platform, an end cap outer circle, and an end cap end face. The end cap platform and the end cap end face are parallel and perpendicular to the central axis of the end cap outer circle. The base is provided with an intake head, a base center hole, a motor mounting plate, transition gear mounting posts, a base inner end face, a base inner circle, and a base end face. The base center hole is coaxial with the base inner circle, and the central axis of the base center hole is parallel to the motor mounting plate. The three transition gear mounting posts are evenly distributed on the base inner end face, with the central axis of the base center hole as the center line. The base inner end face is parallel to the base end face and perpendicular to the central axis of the base center hole. The transmission assembly includes an internal gear compound wheel, a transition gear retaining ring, a transition gear, a drive gear retaining ring, and a drive gear. The internal gear compound wheel is provided with an internal gear, an internal gear end face, an internal gear outer circle, a compound wheel end face, and fan blades. The internal gear and the internal gear outer circle are... The central axes coincide, and their central axes are perpendicular to the end face of the internal gear. The end face of the compound wheel is parallel to the end face of the internal gear. The three fan blades are evenly distributed on the end face of the compound wheel. The rotor shaft of the motor is inserted into the central hole of the base, and the motor is fixedly connected to the motor mounting plate by the screw II. The driving gear is installed into the rotor shaft of the motor, and the driving gear retainer is installed. The transition gear is installed into the transition gear mounting post, and the transition gear retainer is installed. The transition gear meshes with the driving gear. The internal gear compound wheel is installed into the inner circle of the base, and the internal gear meshes with the transition gear. The end cover is fixedly connected to the base by the screw I. The outer circle of the end cover is coaxial with the inner circle of the base and is clearance-fitted. The end face of the end cover is parallel to the end face of the compound wheel and is clearance-fitted. The end face of the internal gear is parallel to the inner end face of the base and is clearance-fitted.

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