Range hood electric machine mounting device and smoke exhaust
Technical field
The utility model relates to household electrical appliance, specifically, relates to a kind of architecture advances of range hood electric machine mounting device.
Background technology
Smoke exhaust mainly comprise motor and impeller.During work, motor rotates impeller and rotates, and then indoor oil smoke suction is gone out.Existing electric machine mounting device is, has motor mounting plate on the motor, and motor mounting plate directly is fastened on the mounting bracket by screw, and mounting bracket and volute body are connected and fixed by screw.Because motor and mounting bracket are to be rigidly connected, during the driven by motor wheel rotation, the vibration meeting of motor and impeller is delivered on the volute body by mounting bracket, causes vibration and drone noise.Get over for a long time when impeller adhesion greasy dirt, this phenomenon can be outstanding further.Also can produce covibration under given conditions.Vibration and noise are the important performance indexes of smoke exhaust, also are that the consumer chooses one of principal element of consideration.Thereby how to reduce noise and reduce vibration, then be technical problem to be solved in the utility model.
Summary of the invention
The utility model provides a kind of range hood electric machine mounting device and smoke exhaust, and it can solve vibration and the bigger problem of noise that prior art exists.
In order to reach the purpose that solves the problems of the technologies described above, the technical solution of the utility model is, a kind of range hood electric machine mounting device, comprise motor, mounting bracket, described motor is provided with motor mounting plate, it is characterized in that: the position that is connected and fixed of described motor mounting plate and mounting bracket is provided with flexible cushion blocking.
In the technical solution of the utility model, also have following supplementary technology scheme:
Described motor mounting plate is positioned at described mounting bracket top, on described motor mounting plate and the described mounting bracket installing hole is arranged all, on described flexible cushion blocking has, following card, middle cylinder reaches, annular groove between the following card, described flexible cushion blocking middle part has a through hole, described flexible cushion blocking is contained in the installing hole of described motor mounting plate, and the plate body that makes the motor mounting plate of this installing hole border is in the described annular groove, there is a rigid support to be sleeved in the installing hole and described through hole of described mounting bracket, described rigid support cover is fixed with described mounting bracket, the upper disk surface of described rigid support cover and described flexible cushion blocking is provided with pad, the internal thread that one screw passes described pad and described rigid support cover is connected and fixed, or a bolt passes described pad and described rigid support cover is connected and fixed with a nut.
Described motor mounting plate is positioned at described mounting bracket top, on described motor mounting plate and the described mounting bracket installing hole is arranged all, on described flexible cushion blocking has, following card, middle cylinder reaches, annular groove between the following card, described flexible cushion blocking middle part has a through hole, described flexible cushion blocking is contained in the installing hole of described mounting bracket, and the plate body that makes the mounting bracket of this installing hole border is in the described annular groove, there is a rigid support to be sleeved in the installing hole and described through hole of described motor mounting plate, described rigid support cover is fixed with described motor mounting plate, the following card of flexible cushion blocking is provided with pad, the internal thread that one screw passes described pad and described rigid support cover is connected and fixed, or a bolt passes described pad and described rigid support cover is connected and fixed with a nut.
Described motor mounting plate is positioned at described mounting bracket top, on described motor mounting plate and the described mounting bracket installing hole is arranged all, on described flexible cushion blocking has, following card, middle cylinder reaches, annular groove between the following card, described flexible cushion blocking middle part has a through hole, described flexible cushion blocking is contained in the installing hole of described motor mounting plate, and the plate body that makes the motor mounting plate of this installing hole border is in the described annular groove, there is a rigid support to be sleeved in the through hole of described flexible cushion blocking, the upper disk surface of described rigid support cover and described flexible cushion blocking is provided with pad, and an installing hole and a nut that a screw passes described pad and described rigid support cover and described mounting bracket are connected and fixed.
Described motor mounting plate is positioned at described mounting bracket top, described motor mounting plate has installing hole, on described flexible cushion blocking has, following card, middle cylinder reaches, annular groove between the following card, described flexible cushion blocking middle part has a through hole, described flexible cushion blocking is contained in the installing hole of described motor mounting plate, and the plate body that makes this installing hole border is in the described annular groove, the upper disk surface of described flexible cushion blocking is provided with pad, one stepped screw top is screw thread for key bottom, location, the diameter of described location key and the through hole internal diameter of described flexible cushion blocking are suitable, described stepped screw passes the through hole of described pad and described flexible cushion blocking and the internal thread on the described mounting bracket plate body is connected and fixed, or described stepped screw passes installing hole on the described mounting bracket and a nut of described mounting bracket outer bottom is connected and fixed.
On described motor mounting plate and the described mounting bracket installing hole is arranged all, on described flexible cushion blocking has, following card, middle cylinder reaches, annular groove between the following card, described flexible cushion blocking middle part has a through hole, described flexible cushion blocking is contained in the installing hole of described motor mounting plate, and the plate body that makes the motor mounting plate of this installing hole border is in the described annular groove, the upper disk surface of described flexible cushion blocking is provided with pad, one screw passes the through hole of described pad and described flexible cushion blocking and a nut of mounting bracket outer bottom is connected and fixed, and the through hole internal diameter of described screw diameter and described flexible cushion blocking is suitable.
Described flexible cushion blocking adopts rubber or rubber-plastics material to make, and perhaps is provided with the steel central layer in rubber or rubber and plastic body.
Described rigid support cover is concordant with the upper disk surface of described flexible cushion blocking, or is lower than the upper disk surface of described flexible cushion blocking slightly, and the diameter of described rigid support cover and the through hole internal diameter of described flexible cushion blocking are suitable.
Described rigid support cover is fixed by spot welding with described mounting bracket, perhaps fixes by screw, and described rigid support cover is to be made by steel or stainless steel.
A kind of smoke exhaust is equipped with the described range hood electric machine mounting device of technique scheme.
The utility model compared with prior art has the following advantages and good effect:
1, isolated by flexible cushion blocking owing to motor, pad and screw by rigidity is connected and fixed again, and between the mounting bracket for flexibly connecting, so the vibration of motor itself is by flexible cushion blocking weakening, thereby can not pass to volute body to the vibration of motor, greatly reduce noise, motor and spiral case can not produce covibration yet.
2, by the annular groove of flexible cushion blocking motor mounting plate is clamped, motor and mounting bracket are separated by flexible cushion blocking, practicality rational in infrastructure, vibration isolating effect is good.
3, the rigid support cover plays the support positioning action to flexible cushion blocking, thereby motor is accurately located, and can not rock during machine operation, swings or be offset, and has reduced noise and abnormal operating mode.
4, the rigid support cover is concordant with the upper disk surface of flexible cushion blocking, flexible cushion blocking can not flattened and the deflection that follows the string when trip bolt, thereby guarantee that flexible cushion blocking can reach the elastic deformation amount of regulation.
Description of drawings
Fig. 1 is the utility model range hood electric machine mounting device embodiment 1 main apparent direction cutaway view;
Fig. 1-the 1st, cushion blocking position partial enlarged drawing among Fig. 1;
1, volute body; 2, mounting bracket; 2-1, installing hole; 3, flexible cushion blocking; 4, rigid gasket; 5, screw; 6, motor mounting plate; 6-1, installing hole; 7, motor; 8, impeller; 9, rigid support cover; 10, screw.
Fig. 2 is the utility model range hood electric machine mounting device vertical view;
1, volute body; 2, mounting bracket; 7, motor;
Fig. 3 is the flexible cushion blocking stereogram in the utility model range hood electric machine mounting device;
3, flexible cushion blocking; 3-1, upper disk surface; 3-2, middle cylinder; 3-3, following card; 3-4, annular groove; 3-5, through hole;
Fig. 4 is the utility model range hood electric machine mounting device embodiment 2 main apparent direction cutaway views;
Fig. 4-the 1st, cushion blocking position partial enlarged drawing among Fig. 4;
1, volute body; 2, mounting bracket; 2-1, installing hole; 3, flexible cushion blocking; 4, rigid gasket; 5, screw; 6, motor mounting plate; 6-1, installing hole; 7, motor; 8, impeller; 9, rigid support cover; 10, screw.
Fig. 5 is the utility model range hood electric machine mounting device embodiment 3 main apparent direction cutaway views;
Fig. 5-the 1st, cushion blocking position partial enlarged drawing among Fig. 5;
1, volute body; 2, mounting bracket; 2-1, installing hole; 3, flexible cushion blocking; 4, rigid gasket; 5, screw; 6, motor mounting plate; 6-1, installing hole; 7, motor; 8, impeller; 9, rigid support cover; 10, screw; 11 nuts.
Fig. 6 is the utility model range hood electric machine mounting device embodiment 4 main apparent direction cutaway views;
Fig. 6-the 1st, cushion blocking position partial enlarged drawing among Fig. 6;
Fig. 7 is the utility model range hood electric machine mounting device embodiment 5 main apparent direction cutaway views;
Fig. 7-the 1st, cushion blocking position partial enlarged drawing among Fig. 4;
1, volute body; 2, mounting bracket; 2-1, installing hole; 3, flexible cushion blocking; 3-1, upper disk surface; 3-2, middle cylinder; 3-3, following card; 3-4, annular groove; 3-5, through hole; 4, rigid gasket; 5, stepped screw; 5-1, location key; 5-2, screw thread; 6, motor mounting plate; 6-1, installing hole; 7, motor; 8, impeller; 9, nut; 10, screw.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in detail.
Embodiment 1
Referring to Fig. 1, Fig. 1-1, Fig. 2 and Fig. 3 in order to realize the purpose of vibration damping and reduction noise, are provided with flexible cushion blocking 3 at the position that is connected and fixed of motor mounting plate 6 and mounting bracket 2.
With regard to concrete scheme, motor 7 is provided with motor mounting plate 6, has installing hole 6-1 on the motor mounting plate 6.Present embodiment has four installing hole 6-1, is distributed in all around.Generally speaking, installing hole 6-1 answers 3-4 for well.Rigid support cover 9 is fixed in spot welding on the installing hole 2-1 of mounting bracket 2, and rigid support cover 9 adopts the 45# steel to make.Rigid support cover 9 passes the installing hole 6-1 of motor mounting plate 6.Then, flexible cushion blocking 3 is installed among the installing hole 6-1 of motor mounting plate 6.Flexible cushion blocking 3 is made by rubber, and its global shape picture " cable/line roller " also be we can say, " worker " font with holes in the middle of the cross sectional shape picture.Flexible cushion blocking 3 has upper disk surface 3-1, following card 3-3, annular groove 3-4 between middle cylinder 3-2 and upper and lower card 3-1, the 3-3, the middle part of upper and lower card 3-1,3-3 and middle cylinder 3-2 has a through hole 3-5, the internal diameter of through hole 3-5 is identical with the diameter of rigid support cover 9, both are matched in clearance, and interstice coverage is controlled at 0.04-0.1mm.After flexible cushion blocking 3 was installed among the installing hole 6-1 of motor mounting plate 6, annular groove 3-4 clamped the plate body of motor mounting plate 6, made between motor 6 and the mounting bracket 2 to be isolated by flexible cushion blocking 3.The upper disk surface 3-1 of flexible cushion blocking 3 is concordant with the upper surface of rigid support cover 9, loads onto pad 4, passes pad 4 and rigid support with screw 5 again and overlaps 9 internal thread and be connected and fixed, and finishes thereby be connected and fixed.At this moment, be flexible cushion blocking 3 between motor 7 and the mounting bracket 2, vibration isolating effect is good, thereby has reached the purpose of vibration damping and reduction noise.
In technique scheme, 9 pairs of flexible cushion blockings 3 of rigid support cover play the support positioning action, thereby motor 7 is accurately located, and by flexible cushion blocking 3 supports, the vibration of motor 7 itself can not pass to volute body 1 by flexible cushion blocking 3 weakenings, has reduced noise and has subdued vibration.
Embodiment 2
Referring to Fig. 2, Fig. 4 and Fig. 4-1, motor mounting plate 6 is positioned at mounting bracket 2 tops, on motor mounting plate 6 and the mounting bracket 2 installing hole is arranged all.Be the installing hole 6-1 of motor mounting plate 6 and the installing hole 2-1 on the mounting bracket 2.Flexible cushion blocking 3 has upper disk surface 3-1, following card 3-3, the annular groove 3-4 between middle cylinder 3-2 and the upper and lower card, and flexible cushion blocking 3 middle parts have the through hole 3-5 of a up/down perforation, referring to Fig. 3.Flexible cushion blocking 3 is contained in the installing hole 2-1 of described mounting bracket 2, and the plate body of the mounting bracket of this installing hole 2-1 border is in the annular groove 3-4, has rigid support cover 9 to be contained in the installing hole 6-1 and described through hole 3-5 of motor mounting plate 6.The diameter of the internal diameter of through hole 3-5 and rigid support cover 9 is suitable, rigid support cover 9 is fixing with motor mounting plate 6, the following card of flexible cushion blocking 3 is provided with pad 4, the internal thread that one screw 5 passes described pad 4 and described rigid support cover 9 is connected and fixed, or a bolt passes described pad and described rigid support cover is connected and fixed with a nut.
Embodiment 3
Referring to Fig. 2, Fig. 5 and Fig. 5-1, motor mounting plate 6 is positioned at described mounting bracket 2 tops, on described motor mounting plate 6 and the described mounting bracket 2 installing hole is arranged all, i.e. the installing hole 6-1 of motor mounting plate 6 and the installing hole 2-1 on the mounting bracket 2.Flexible cushion blocking 3 has upper disk surface 3-1, following card 3-3, the annular groove 3-4 between middle cylinder 3-2 and the upper and lower card, and flexible cushion blocking 3 middle parts have the through hole 3-5 of a up/down perforation, referring to Fig. 3.Flexible cushion blocking 3 is contained in the installing hole 6-1 of described motor mounting plate 6, and the plate body that makes the motor mounting plate 6 of this installing hole 6-1 border is in the described annular groove 3-4, have rigid support cover 9 to be contained in the through hole 3-5 of flexible cushion blocking 3, the bottom surface of rigid support cover 9 is positioned on the mounting bracket 2.The diameter of the internal diameter of the through hole 3-5 of flexible cushion blocking 3 and rigid support cover 9 is suitable.The upper disk surface 3-1 of rigid support cover 9 and flexible cushion blocking 3 is provided with an installing hole 2-1 and the nut 11 that pad 4, one screws 5 pass pad 4, rigid support cover 9 and mounting bracket 2 and is connected and fixed.
Embodiment 4 and embodiment 5
Motor mounting plate 6 is positioned at mounting bracket 2 tops, and motor mounting plate 6 has installing hole 6-1.Flexible cushion blocking 3 has upper disk surface 3-1, following card 3-3, the annular groove 3-4 between middle cylinder 3-2 and the upper and lower card, and flexible cushion blocking 3 middle parts have the through hole 3-5 of a up/down perforation, see Fig. 3.Flexible cushion blocking 3 is contained in the installing hole 6-1 of motor mounting plate 6, and the plate body of this installing hole 6-1 border is in the annular groove 3-4, the upper disk surface 3-1 of flexible cushion blocking 3 is provided with pad 4, one stepped screw, 5 tops are screw thread 5-2 for key 5-1 bottom, location, the diameter of location key 5-1 and the through hole 3-5 internal diameter of flexible cushion blocking are suitable, stepped screw 5 passes the through hole 3-5 of pad 4 and flexible cushion blocking and the internal thread on the mounting bracket 2 is connected and fixed, referring to Fig. 7, Fig. 7-1; Or stepped screw 5 passes the installing hole of mounting bracket 2 and a nut 9 of mounting bracket 2 outer bottoms is connected and fixed, referring to Fig. 6, Fig. 6-1.
Stepped screw 5 also can play with embodiment 1 in rigid support overlap 9 same effects.
The version of the foregoing description 1 to 5 can reach vibration damping and reduce the purpose of noise.
Embodiment 6
As different from Example 1, remove rigid support cover 9, but in the rubber bodies of flexible cushion blocking, be provided with the steel central layer.Make the existing flexibility of flexible cushion blocking that certain rigidity be arranged again.The internal diameter of the through hole of flexible cushion blocking is identical with the diameter of screw, leaves the gap of wearing screw.Flexible cushion blocking is installed in the installing hole of motor mounting plate, annular groove is clamped the plate body of motor mounting plate, makes between motor and the mounting bracket to separate by flexible cushion blocking.The upper disk surface of flexible cushion blocking is provided with pad, and a screw passes the through hole of pad and flexible cushion blocking and a nut of mounting bracket outer bottom is connected and fixed.This version can reach vibration damping equally and reduce the purpose of noise.
Range hood electric machine mounting device of the present utility model can be widely used in the smoke exhaust product of various types, or in relevant and the close product.
The above, it only is preferred embodiment of the present utility model, be not to be the restriction of the utility model being made other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment did, still belongs to the protection domain of technical solutions of the utility model according to technical spirit of the present utility model.