Novel reduction gearbox sealing structure for range hood

Abstract

The utility model provides a novel sealing structure of a reduction gearbox for a range hood, which comprises a reduction gearbox body integrally provided with four reduction gearbox body inner side surfaces and a reduction gearbox body bottom surface. The reduction gearbox cover is integrally provided with a bottom surface, a reduction gearbox cover top surface and four reduction gearbox cover side surfaces; the four reduction gearbox cover side faces of the reduction gearbox cover are in transition fit with the inner side face of the reduction gearbox body and are fixedly connected through fixing screws, and formed matching seams are formed in the plane above the reduction gearbox. And the sealant is uniformly arranged along the matching seam and is annularly arranged along the joint part of the head part of the fixing screw and the reduction gearbox cover. According to the utility model, the matching seam of the reduction gearbox body and the reduction gearbox cover is arranged on the front side, and the sealant is applied to the matching seam, so that the gear in the reduction gearbox is prevented from being corroded by oil smoke, the phenomenon of short circuit caused by the oil smoke permeating into the motor is avoided, and the service life of the reduction motor is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a range hood technical field especially relates to a new structure of sealing of speed reducer box for range hood. BACKGROUND

[0002] In the field of kitchen range hood, especially in a scene that needs to open the air inlet electrically, the output shaft of the reduction motor needs to rotate and output power to drive the air inlet flap to rotate, the reduction motor of the similar product on the market, the speed reducer box body and the speed reducer box cover are not sealed, and the oil fume is easy to penetrate into the speed reducer box and the motor from the gap, thereby affecting the service life of the reduction motor. SUMMARY

[0003] In order to solve the technical problem that the speed reducer box body and the speed reducer box cover are not sealed in the prior art, the oil fume is easy to penetrate into the speed reducer box and the motor from the gap, thereby affecting the service life of the reduction motor, the utility model provides a new structure of sealing of speed reducer box for range hood.

[0004] The new structure of sealing of speed reducer box for range hood provided by the utility model adopts the following technical scheme:

[0005] A new structure of sealing of speed reducer box for range hood, comprising:

[0006] The speed reducer box body is integrally provided with four speed reducer box body inner sides and a speed reducer box body bottom surface;

[0007] The speed reducer box cover is integrally provided with a bottom surface, a speed reducer box cover top surface and four speed reducer box cover sides; the four speed reducer box cover sides of the speed reducer box cover are transitionally matched with the speed reducer box body inner sides, are fixedly connected through fixing screws, and the formed matching gap is arranged on the upper plane of the speed reducer box;

[0008] The sealing glue is uniformly arranged along the matching gap and is annularly arranged along the joint part between the head of the fixing screw and the speed reducer box cover.

[0009] Further, the four speed reducer box body inner sides of the speed reducer box body are integrally provided with speed reducer box body stop edges along the outside of the matching gap, the speed reducer box cover top surface is integrally provided with a speed reducer box cover stop edge along the inside of the matching gap, the speed reducer box body stop edges and the speed reducer box cover stop edge form a groove along the matching gap, and the matching gap is at the bottom of the groove.

[0010] Further, the fixing screw is arranged in the groove, and the sealing glue fills the groove to prevent the oil fume from penetrating into the speed reducer box from the matching gap and the fixing screw.

[0011] In conclusion, the utility model has the advantages of:

[0012] The product sets the matching joint of the reduction gearbox body and the reduction gearbox cover on the front face, seals the matching joint with sealant, sets the sealant blocking reduction gearbox body blocking edge on the four sides of the reduction gearbox body, sets the sealant blocking reduction gearbox cover blocking edge on the reduction gearbox cover along the matching joint, forms a ring-shaped groove along the matching joint with the sealant blocking edges, limits the outward flow of the sealant, sets the fixing screw of the reduction gearbox body and the reduction gearbox cover in the ring-shaped groove, fills the ring-shaped groove with the sealant, seals the matching joint and the fixing screw, prevents the oil fume from penetrating into the reduction gearbox and the motor from the matching joint of the reduction gearbox body and the reduction gearbox cover, prevents the oil fume from penetrating into the reduction gearbox and the motor from the fixing screw of the reduction gearbox body and the reduction gearbox cover, thus avoiding the corrosion of the gear in the reduction gearbox by the oil fume and the short circuit caused by the penetration of the oil fume into the motor, and prolonging the service life of the reduction motor. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a whole structure schematic view of the utility model;

[0014] Figure 2 It is an explosion view schematic view of the utility model;

[0015] Figure 3 It is a sealant setting position schematic view of the utility model;

[0016] Figure 4 It is a first sectional view schematic view of the utility model;

[0017] Figure 5 It is a second sectional view schematic view of the utility model.

[0018] In the drawing: 1, reduction gearbox cover, 2, reduction gearbox body, 3, motor, 4, fixing screw, 5, reduction gearbox cover blocking edge, 6, reduction gearbox body blocking edge, 7, reduction gearbox cover side face, 8, reduction gearbox cover top face, 9, reduction gearbox body inner side face, 10, reduction gearbox body bottom face, 11, sealant, 12, matching joint. DETAILED DESCRIPTION

[0019] The utility model will be further described in combination with specific embodiments, the illustrative embodiments of the utility model and the description are used to explain the utility model, but not as the limitation of the utility model.

[0020] Embodiment: as shown in a kind of range hood new structure for reduction gearbox sealing shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 .

[0021] In the kitchen range hood field, especially in a scene that needs to open the air inlet electrically, the output shaft of the reduction motor needs to rotate the output power to drive the air inlet flap to rotate, and the reduction motor, the reduction box body and the reduction box cover of the similar products on the market are not sealed, and the oil fume is easy to penetrate from the gap to the inside of the reduction box and the inside of the motor, thereby affecting the service life of the reduction motor.

[0022] In order to solve the above problems, referring to Figures 1-5 The utility model provides a new structure of sealing reduction box for range hood, including reduction box body 2, four reduction box body inner side surface 9 are integrally arranged to reduction box body 2, and one reduction box body bottom surface 10 is integrally arranged to reduction box body 2, reduction box cover 1, bottom surface, reduction box cover top surface 8 and four reduction box cover side surface 7 are integrally arranged to reduction box cover 1, four reduction box cover side surface 7 of reduction box cover are transitionally connected with reduction box body inner side surface 9, are fixedly connected with fixed screw 4, and the formed cooperation gap 12 is arranged on the upper plane of reduction box, and motor 3 is arranged on the side of 2, sealing glue 11 is evenly arranged along cooperation gap 12 and is annularly arranged along the joint part of the head of fixed screw 4 and reduction box cover 1.

[0023] Four reduction box body inner side surface 9 of reduction box body 2 are integrally provided with reduction box body baffle 6 along the outside of cooperation gap 12, the flowing range of the outside of sealing glue 11 is limited by reduction box body baffle 6, reduction box cover top surface 8 is integrally provided with reduction box cover baffle 5 along the inside of cooperation gap 12, the flowing range of the inside of sealing glue 11 is limited by reduction box cover baffle 5, reduction box body baffle 6 and reduction box cover baffle 5 form a groove along cooperation gap 12, and cooperation gap 12 is at the bottom of the groove.

[0024] Fixed screw 4 is arranged in the groove, and sealing glue 11 fills the groove, prevents oil fume from penetrating into the inside of reduction box from cooperation gap 12 and fixed screw 4.

[0025] The cooperation gap 12 of the product is arranged on the front side of reduction box body 2 and reduction box cover 1, sealing glue 11 is applied on cooperation gap 12, reduction box body baffle 6 is integrally arranged on the four sides of reduction box body 2, reduction box cover baffle 5 is integrally arranged on reduction box cover 1 along cooperation gap 12, the ring groove is formed along cooperation gap 12 by the baffle of reduction box body baffle 6 and reduction box cover baffle 5, the flowing of sealing glue 11 to the outside is limited, fixed screw 4 of reduction box body 2 and reduction box cover 1 is arranged in the ring groove, and sealing glue 11 fills the ring groove, cooperates with cooperation gap 12 and fixed screw 4, prevents oil fume from penetrating into the inside of reduction box and the inside of motor from cooperation gap 12 of reduction box body 2 and reduction box cover 1, prevents oil fume from penetrating into the inside of reduction box and the inside of motor from fixed screw 4 of reduction box body 2 and reduction box cover 1, thereby eliminating the corrosion of the gear in the inside of reduction box by oil fume, eliminating the short circuit caused by the penetration of oil fume into the inside of motor, thereby improving the service life of the reduction motor.

[0026] The basic principle and main features of the present application and the advantages of the present application are shown and described above. The various components mentioned in the present application are common techniques in the existing field, which should be understood by the skilled person in the industry. The present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A new structure of sealing for a reduction gearbox of a range hood, characterized in that, It includes: The reduction gearbox body is integrally provided with four reduction gearbox body inner sides and a reduction gearbox body bottom surface; The reduction gearbox cover is integrally provided with a bottom surface, a reduction gearbox cover top surface and four reduction gearbox cover sides; the four reduction gearbox cover sides of the reduction gearbox cover are transitionally matched with the reduction gearbox body inner sides, fixedly connected by fixing screws, and the formed matching seams are arranged on the upper plane of the reduction gearbox; The sealing glue is uniformly arranged along the matching seams and annularly arranged along the joint part of the head of the fixing screw and the reduction gearbox cover.

2. A new structure of sealing for a reduction gearbox of a range hood according to claim 1, characterized in that: The four reduction gearbox body inner sides of the reduction gearbox body are integrally provided with reduction gearbox body stop edges along the outside of the matching seams, the reduction gearbox cover top surface is integrally provided with reduction gearbox cover stop edges along the inside of the matching seams, the reduction gearbox body stop edges and the reduction gearbox cover stop edges form a groove along the matching seams, and the matching seams are at the bottom of the groove.

3. A new structure of sealing for a reduction gearbox of a range hood according to claim 2, characterized in that: The fixing screws are arranged in the groove, the sealing glue fills the groove, and the penetration of oil fume from the matching seams and the fixing screws into the inside of the reduction gearbox is prevented.

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