Speed reduction motor output shaft for range hood

Abstract

The utility model belongs to the field of kitchen range hoods, and particularly relates to a gear motor output shaft for a range hood, which comprises an output shaft, the output shaft is integrally provided with an annular groove for mounting a sealing ring, and the axial position of the annular groove is arranged at the matching position of the output shaft and an output end bearing and is positioned between two end surfaces of the output end bearing. The sealing ring can prevent oil fume from permeating into the reduction gearbox and the motor from the gap between the output shaft and the oil bearing, so that a gear in the reduction gearbox is prevented from being corroded by the oil fume, the phenomenon that the oil fume permeates into the motor to cause short circuit is avoided, and the service life of the reduction motor is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to kitchen range hood field, concretely relates to a smoke machine is with speed reducer motor output shaft. BACKGROUND

[0002] The similar product speed reducer motor on market, output shaft and oil bearing have certain gap, oil fume is easy to penetrate from the gap to the inside of speed reducer box and motor, thereby influence the service life of speed reducer motor. UTILITY MODEL CONTENTS

[0003] In order to solve above technical problem, provide a smoke machine is with speed reducer motor output shaft.

[0004] In order to achieve above purpose, the utility model adopts the technical scheme of a kind of range hood is with speed reducer motor output shaft, comprising:

[0005] Output shaft, the output shaft is integrally provided with annular groove for installing sealing ring, annular groove axial position is arranged at the cooperation place of output shaft and output end bearing, between the two end faces of the output end bearing, the number of annular groove is not less than one.

[0006] According to the utility model, further, the annular sealing ring is matched and arranged on the annular groove, the annular sealing ring is tightly held with the annular groove and is axially positioned by the annular groove, and the number of annular sealing ring is not less than one.

[0007] According to the utility model, further, the output shaft is connected with the motor of smoke machine through gear set, the output shaft is integrally provided with output shaft output end, output shaft output end passes through speed reducer box and is arranged outside the cover of speed reducer box.

[0008] According to the utility model, further, the output shaft is provided with output end bearing, the outer ring of output end bearing is fixed with the box of speed reducer, the inner ring is matched with the output shaft gap, and the axial position of output end bearing is arranged on the side of the output wheel of gear set close to the output end of output shaft.

[0009] According to the utility model, further, the output shaft is integrally provided with output shaft end, and the end face of output shaft end is provided with end bearing, the outer ring of end bearing is fixedly arranged on the box of speed reducer, and the inner ring is matched with the gap of output shaft end.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] The utility model discloses a speed reducer motor output shaft and oil bearing cooperation part integral setting annular recess, the number of annular recess can be one or more, and the cooperation of annular recess is provided with annular sealing ring, and annular sealing ring can prevent oil fume from seeping into the inside of reduction gearbox and the inside of motor from the gap between output shaft and oil bearing, thereby the gear of reduction gearbox is prevented from being corroded by oil fume, and the phenomenon that oil fume seeps into the inside of motor and causes short circuit is prevented, thereby the service life of speed reducer motor is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is output shaft assembly schematic drawing of the utility model;

[0013] Figure 2 It is output shaft explosion schematic drawing of the utility model;

[0014] Figure 3 It is whole explosion schematic drawing of the utility model;

[0015] Figure 4 It is whole ring partial section schematic drawing of the utility model;

[0016] Figure 5 It is whole ring schematic drawing of the utility model;

[0017] Figure 6 It is output shaft assembly schematic drawing of the second embodiment of the utility model;

[0018] Figure 7 It is output shaft explosion schematic drawing of the second embodiment of the utility model;

[0019] Figure 8 It is whole explosion schematic drawing of the second embodiment of the utility model;

[0020] Figure 9 It is whole ring partial section schematic drawing of the second embodiment of the utility model.

[0021] Wherein, 1-output shaft, 2-output end bearing, 3-end bearing, 4-annular sealing ring, 5-output wheel, 6-reduction gearbox, 7-gear set, 8-motor, 9-screw, 100-annular recess, 200-output shaft output end, 300-output shaft end. DETAILED DESCRIPTION

[0022] The following description is used to disclose the utility model so that those skilled in the art can realize the utility model. The preferred embodiments in the following description are only as examples, and other obvious variants can be thought of by those skilled in the art.

[0023] As Figures 1-5As shown in the drawings, the output shaft of the smoke machine speed reducer motor disclosed by the embodiments of the application comprises an output shaft 1 connected with a smoke machine motor 8 through a gear set 7, and an annular groove 100 is integrally arranged on the outer circumferential surface of the output shaft 1, the annular groove 100 corresponds to the position of an output end bearing 2 and is located between the upper and lower end faces of the output end bearing 2. In order to improve the sealing performance of the output shaft 1, an annular sealing ring 4 is arranged in the annular groove 100, the annular sealing ring 4 is tightly clamped on the annular groove 100 and is axially positioned by the annular groove 100.

[0024] The output shaft 1 is integrally provided with an output shaft output end 200, the output shaft output end 200 penetrates through the cover of the speed reducer box 6 and is arranged on the outer side of the speed reducer box 6. The speed reducer box 6 comprises a box body and a box cover, and the two are fixedly connected by screws 9.

[0025] The outer ring of the output end bearing 2 is fixedly arranged on the cover of the speed reducer box 6, the inner ring is in clearance fit with the output shaft 1, and the output end bearing 2 is arranged on the side of the output wheel 5 of the gear set close to the output shaft output end 200.

[0026] The output shaft 1 is integrally provided with an output shaft end 300, the end face of the output shaft end 300 is provided with an end bearing 3, the outer ring of the end bearing 3 is fixedly arranged on the box body of the speed reducer box 6, and the inner ring is in clearance fit with the output shaft end 300.

[0027] Referring to Figures 6-9 As shown in the drawings, the output shaft of the smoke machine speed reducer motor disclosed by the embodiments of the application comprises an output shaft 1 connected with a smoke machine motor 8 through a gear set 7, and an annular groove 100 is integrally arranged on the outer circumferential surface of the output shaft 1, the annular groove 100 corresponds to the position of an output end bearing 2 and is located between the upper and lower end faces of the output end bearing 2. In order to improve the sealing performance of the output shaft 1, an annular sealing ring 4 is arranged in the annular groove 100, the annular sealing ring 4 is tightly clamped on the annular groove 100 and is axially positioned by the annular groove 100.

[0028] As preferred, the number of the annular grooves 100 is two, and the annular sealing rings 4 are respectively arranged in the two annular grooves 100, so that the sealing performance of the output shaft 1 is improved.

[0029] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and the description in the specification are only the principles of the utility model. The utility model can be changed and improved without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An output shaft for a geared motor used in a range hood, characterized in that, include: The output shaft is integrally provided with an annular groove for installing a sealing ring. The annular groove is axially positioned at the mating point between the output shaft and the output end bearing, between the two end faces of the output end bearing, and the number of annular grooves is not less than one.

2. The output shaft of a geared motor for a range hood as described in claim 1, characterized in that: The sealing ring is an annular sealing ring, which is fitted into an annular groove. The annular sealing ring is tightly fitted into the annular groove and is axially positioned by the annular groove. The number of annular sealing rings is not less than one.

3. The output shaft of a geared motor for a range hood as described in claim 1, characterized in that: The output shaft is connected to the motor of the smoke machine through a gear set. The output shaft has an integral output end, which passes through the gearbox and is located outside the cover of the gearbox.

4. The output shaft of a geared motor for a range hood as described in claim 3, characterized in that: An output end bearing is provided on the outer periphery of the output shaft. The outer ring of the output end bearing is fixed to the housing of the gearbox, and the inner ring is clearance-fitted with the output shaft. The axial position of the output end bearing is located on the side of the output wheel of the gear set near the output end of the output shaft.

5. The output shaft of a geared motor for a range hood as described in claim 1, characterized in that: The output shaft is integrally provided with an output shaft end, and an end bearing is provided on the end face of the output shaft end. The outer ring of the end bearing is fixedly mounted on the housing of the gearbox, and the inner ring is clearance-fitted with the output shaft end.

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