CN214480046U - Motor vibration reduction structure for hand dryer and hand dryer - Google Patents
Motor vibration reduction structure for hand dryer and hand dryer Download PDFInfo
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- CN214480046U CN214480046U CN202023328644.3U CN202023328644U CN214480046U CN 214480046 U CN214480046 U CN 214480046U CN 202023328644 U CN202023328644 U CN 202023328644U CN 214480046 U CN214480046 U CN 214480046U
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Abstract
The utility model relates to a motor vibration damping structure for a hand dryer, which comprises a motor main body (2) and a vibration damping cover (1) for accommodating the motor main body (2); the motor body (2) is provided with a motor shell (21), and a motor (22) for driving air inlet is arranged in the motor shell (21); the vibration reduction cover (1) is made of soft materials, and the vibration reduction cover (1) is limited in the hand dryer main body to form the flexible connection between the motor main body (2) and the hand dryer main body; the motor main body is sleeved into the vibration reduction cover, and then the vibration reduction cover is limited in a motor area of the hand dryer main body, so that vibration transmission in the operation of the motor is reduced, and noise is also reduced; and to a corresponding hand dryer.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a portable hand nursing technical field, concretely relates to a motor damping structure and hand dryer for hand dryer.
[ background of the invention ]
The hand dryer generally mainly adopts a heating type and a high-speed air blowing drying type; the high-speed air-drying type hand dryer is characterized in that the air speed is very high and can reach more than 130 m/s, the hand drying speed is about 10 s, the heating power is low and only hundreds of watts exists, the heating function is only to keep the comfort level, the hand drying speed is not affected basically, the air speed of a high-speed motor is high, but the problem of large vibration is also caused, the large vibration of the motor can cause the hand dryer to shake when in use, particularly, the portable desktop hand dryer can also cause the hand dryer to move and even fall and damage; meanwhile, the vibration may generate large noise, which greatly affects the user experience.
Accordingly, there is a need for improvements in the art that overcome the deficiencies in the prior art.
[ Utility model ] content
To the weak point of prior art, the utility model aims to provide a motor damping structure and hand dryer for hand dryer.
The technical scheme of the utility model outlines as follows:
the utility model provides a motor vibration damping structure for a hand dryer, which comprises a motor main body and a vibration damping cover for accommodating the motor main body; the motor body is provided with a motor shell, and a motor for driving air to enter is arranged in the motor shell; the vibration reduction cover is made of soft materials and limited in the hand dryer main body to form flexible connection between the motor main body and the hand dryer main body.
Preferably, the motor housing has a motor air inlet located at a lower end of the motor housing and a motor air outlet located at an upper end of the motor housing, and air enters from the motor air inlet and is discharged from the motor air outlet.
Preferably, the motor body is provided with a motor shell, and a motor for driving air to enter is arranged in the motor shell, so that air enters from a motor air inlet at the lower end of the motor shell and is discharged from a motor air outlet at the upper end of the motor shell; the vibration reduction cover is limited in a motor area of the hand dryer main body so as to connect the motor main body and the hand dryer main body; the vibration reduction cover is made of elastic soft materials to form flexible connection between the motor main body and the hand dryer main body, and vibration transmission of the motor is reduced.
Preferably, the lower end of the vibration reduction cover is provided with a first cover opening, and the upper end of the vibration reduction cover is provided with a second cover opening; the motor main body is arranged in the vibration reduction cover through the second cover opening, the motor air inlet is aligned with the first cover opening, and the motor air outlet is aligned with the second cover opening to form the air inlet and the air outlet of the motor vibration reduction structure.
Preferably, the motor shell bulge is arranged on the side wall of the upper end of the motor shell; the size of the motor air inlet is smaller than that of the motor air outlet; the lower end of the motor shell is provided with a motor narrowing part with the size gradually reduced from the upper end to the lower end of the motor shell; the vibration reduction cover is provided with a cover inner side wall groove matched with the motor shell in a protruding mode, and a cover inner limiting portion matched with the motor narrowing portion to prevent the motor body from moving axially in the vibration reduction cover.
Preferably, the motor housing has a positioning pin, the vibration reduction cover has a positioning groove, and when the motor body is mounted in the vibration reduction cover, the positioning pin is matched with the positioning groove to limit circumferential rotation of the motor body in the vibration reduction cover.
Preferably, the outer side wall of the vibration reduction cover is provided with a first convex ring close to the upper end and a limiting step part close to the lower end, the first convex ring is matched with the upper limiting part of the motor area, and the limiting step part is matched with the lower limiting part of the motor area, so that the motor vibration reduction structure is fixed in the motor area.
Preferably, the outer side wall of the vibration reduction cover is also provided with a second convex ring close to the lower end, and a plurality of convex ribs are arranged between the first convex ring and the second convex ring.
The utility model also provides a hand dryer, include: the motor vibration damping structure and the hand dryer main body are provided; the hand dryer main body comprises a main machine shell, and the motor vibration reduction structure is arranged in the main machine shell; the main machine shell is provided with an air inlet and an air outlet; the motor drives the outside air to enter from the air inlet and discharge from the air outlet.
Preferably, an air inlet area and a motor area are arranged in the main machine shell; the motor vibration reduction structure is arranged in the motor area; an air inlet partition plate is arranged between the air inlet area and the motor area, an air inlet is formed in the air inlet partition plate, and external air enters the air inlet area from the air inlet and enters the motor area from the air inlet.
Preferably, the air inlet area is positioned at the lower end of the motor area, the air inlet area is provided with a filter assembly and a host base, the upper end of the filter assembly is in contact with the air inlet partition plate, the lower end of the filter assembly is in contact with the host base, and the filter assembly is fixedly limited in the air inlet area; the host machine base and the lower edge of the host machine shell are provided with base gaps to form an air inlet of the host machine shell, external air enters an air inlet area from the base gaps, and enters the motor shell of the motor area from the air inlet after passing through the filtering assembly.
Preferably, the air outlet is connected with the air guide assembly so as to guide the air flow of the air outlet into the hand drying air flow for drying hands.
Preferably, the lower end face of the base of the main machine is provided with an anti-slip pad so as to prevent the hand dryer from moving when the hand dryer is placed on a table top.
Preferably, a plurality of noise reduction holes are formed in the bottom of the vibration reduction cover.
The hand dryer main body comprises a main machine shell, an air inlet area, a motor area and a PCB area are limited from bottom to top in the main machine shell, and external air enters from the bottom of the main machine shell, passes through the air inlet area, the motor area and the PCB area and is discharged from an air outlet in the upper part of the main machine shell.
Preferably, an air inlet partition plate is arranged between the air inlet area and the motor area, and the air inlet partition plate is provided with an air inlet matched with an air inlet of the motor; the bottom of the vibration reduction cover is contacted with the air inlet clapboard.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model provides a pair of a motor damping structure for hand dryer embolias the damping cover with the high-speed motor main part in, and later the damping cover limits in the motor region of hand dryer main part, makes it fixed in the motor region of hand dryer main part, and the effect of damping cover makes the flexible coupling between high-speed motor main part and the hand dryer main part, reduces the vibrations propagation of motor in service, also noise abatement.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.
[ description of the drawings ]
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is an exploded view of the vibration damping structure of the motor for the hand dryer of the present invention;
fig. 2 is a schematic front sectional view of a vibration reduction cover and a motor housing of a motor vibration reduction structure for a hand dryer of the present invention;
fig. 3 is a schematic structural view of a vibration damping cover of a motor vibration damping structure for a hand dryer of the present invention;
fig. 4 is a schematic front sectional view of the hand dryer main body, the vibration damping cover and the motor housing of the motor vibration damping structure for the hand dryer of the present invention;
fig. 5 is a schematic view of a sectional three-dimensional structure of a hand dryer body of the motor damping structure for a hand dryer of the present invention;
fig. 6 is a schematic structural view of the hand dryer of the present invention;
fig. 7 is an exploded view of the hand dryer of the present invention;
fig. 8 is a schematic view of the main frame of the hand dryer according to the present invention.
Description of reference numerals:
1-a vibration damping cover; 11-a first convex ring; 12-a spacing step; 13-a second convex ring; 14-a hood inner side wall groove; 15-noise reduction holes; 16-a positioning groove; 17-a rib; 18-damping cover bottom; 18-damping cover bottom; 19-a shield inner limit part; 101-a first cover opening; 102-a second cover opening;
2-a motor body; 21-motor housing; 22-a motor; 23-a motor air inlet; 24-motor housing bulge; 25-motor air outlet; 26-a locating pin; 29-motor narrowing;
3-an air intake component; 31-a host base; 32-a filter assembly; 35-base clearance;
4-an air guide component;
5-a main machine shell; 51-motor area; 52-lower end limit part; 53-air inlet; 54-air outlet; 55-upper end limiting part; 56-air inlet partition board; 57-air intake area; 58-PCB area.
[ detailed description ] embodiments
The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses a more detailed description of the present invention, which will enable those skilled in the art to make and use the present invention. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, and "depth" corresponds to the dimension from front to back. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the following embodiments or technical features can be used to form a new embodiment without conflict. It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
The utility model provides a motor vibration damping structure for a hand dryer, as shown in figures 1, 2, 4, 7 and 8, comprising a motor main body 2 and a vibration damping cover 1 for accommodating the motor main body; the motor body 2 is provided with a motor shell 21, and a motor 22 for driving air to enter is arranged in the motor shell 21; the vibration reduction cover 1 is made of soft materials, and the vibration reduction cover 1 is limited in the hand dryer main body to form flexible connection between the motor main body 2 and the hand dryer main body; the vibration reduction cover 1 has the functions of enabling the high-speed motor main body and the hand dryer main body to be in flexible connection, reducing vibration transmission in the operation of the motor and reducing noise; the vibration damping cover 1 can be made of elastic soft material such as rubber, etc. to have a certain buffer capacity, so as to reduce the vibration transmitted to the hand tool body by the motor.
In some embodiments, as shown in fig. 1, 2, 4, 7, 8, includes a motor main body 2, and a vibration damping cover 1 accommodating the motor main body 2; the motor body 2 is provided with a motor shell 21, a motor 22 for driving air to enter is arranged in the motor shell 21, so that air enters from a motor air inlet 23 at the lower end of the motor shell 21 and is discharged from a motor air outlet 25 at the upper end of the motor shell 21; the vibration damping cover 1 is confined within the motor region 51 of the hand dryer body to connect the motor body 2 with the hand dryer body; sleeving the high-speed motor body 2 into the vibration reduction cover 1, then limiting the vibration reduction cover 1 in a motor area 51 of the hand dryer body to enable the vibration reduction cover 1 to be fixed in the motor area 51 of the hand dryer body, wherein the vibration reduction cover 1 is made of elastic soft material to form flexible connection between the motor body 2 and the hand dryer body and reduce vibration transmission of a motor; the vibration reduction cover 1 has the functions of enabling the high-speed motor main body and the hand dryer main body to be in flexible connection, reducing vibration transmission in the operation of the motor and reducing noise; the vibration damping cover 1 can be made of elastic soft material such as rubber, etc. to have a certain buffer capacity, so as to reduce the vibration transmitted to the hand tool body by the motor.
In some embodiments, as shown in fig. 1, 2 and 3, the damping cap 1 has a first cap opening 101 at the lower end and a second cap opening 102 at the upper end; the motor main body 2 is arranged in the vibration reduction cover 1 through the second cover opening 102, and the motor air inlet 23 is aligned with the first cover opening 101, and the motor air outlet 25 is aligned with the second cover opening 102 to form an air inlet and an air outlet of a motor vibration reduction structure; the structure of specific structure according to motor body 2 sets up damping cover 1, the two cooperation, damping cover 1's inner structure makes its installation that can be fit for motor body 2 promptly, and is concrete, and in order to make things convenient for the installation, set up damping cover 1's upper end second cover mouth 102, the first cover mouth 101 of lower extreme, can install into motor body 2 by the upper end, later motor air intake 23 aligns with first cover mouth 101, and motor air outlet 25 aligns with second cover mouth 102, does not influence the air inlet and the air-out of whole motor body 2.
In some embodiments, in a specific manner of how to fix the motor main body 2 in the vibration damping cover 1, as shown in fig. 1 and 2, the upper end side wall of the motor housing 21 has a motor housing protrusion 24; the size of the motor air inlet 23 is smaller than that of the motor air outlet 25; a motor case 21 having a motor narrowed portion 29 at a lower end thereof, which gradually decreases in size from an upper end to a lower end of the motor case 21; the vibration damping cover 1 is provided with a cover inner side wall groove 14 matched with a motor shell bulge 24 and a cover inner limiting part 19 matched with a motor narrowing part 29 so as to prevent the axial movement of a motor body in the vibration damping cover 1; considering the structure of the motor body 2 in particular, the motor body has the characteristics that the motor air inlet 23 is small and the motor air outlet 25 is large, so that the corresponding motor shell 21 forms a motor narrowing part 29 with the size gradually reduced from the upper end to the lower end; in order to prevent the motor body 2 from moving in the axial direction of the vibration damping cover 1, the upper end and the lower end can be respectively provided with limit positions, on one hand, the motor narrowing part 29 can be utilized, the vibration damping cover 1 is provided with an in-cover limit part 19, for example, a diameter reduction area at the lower part of the vibration damping cover 1 matched with the size change of the motor shell shown in the figure can be matched with the motor narrowing part 29, the motor body 2 is positioned so as to be installed in place, and the lower limit position is formed; on the other hand, the motor shell bulge 24 on the surface circumference of the motor shell 21 is arranged on the side wall of the upper end of the motor shell 21, the vibration reduction cover 1 matched with the motor shell is provided with a cover inner side wall groove 14, and the motor shell bulge 24 is installed in place, namely enters the cover inner side wall groove 14, so that the motor body 2 is positioned, the motor body is installed in place, and the upper end limit is formed; the fixation of the motor body 2 in the vibration-damping cap 1 is achieved overall.
In some embodiments, as shown in fig. 1, in order to prevent circumferential movement of the motor body 2 fixed in the vibration damping cover 1 and positioning when the motor body 2 is mounted, the motor housing 21 has a positioning pin 26, the vibration damping cover 1 has a positioning groove 16, and when the motor body 2 is mounted in the vibration damping cover 1, the positioning pin 26 cooperates with the positioning groove 16 to restrict circumferential rotation of the motor body 2 in the vibration damping cover 1.
In some embodiments, in how to fix the vibration damping cover 1 in the motor area 51 to cooperate with the hand dryer body to prevent the motion, as shown in fig. 3, 4 and 8, the outer side wall of the vibration damping cover 1 is provided with a first convex ring 11 close to the upper end and a limiting step part 12 close to the lower end, the first convex ring 11 is matched with an upper limiting part 55 of the motor area 51, and the limiting step part 12 is matched with a lower limiting part 52 of the motor area 51, so that the motor vibration damping structure is fixed in the motor area 51; the vibration damping cover 1 and the upper end and the lower end of the motor area 51 are limited in the same way; on one hand, the outer side wall of the vibration reduction cover 1 is provided with a first convex ring 11 close to the upper end to be matched with an upper end limiting part 55 of the motor area 51, so that the vibration reduction cover 1 is prevented from moving upwards; on the other hand, the limiting step part 12 of the outer side wall of the vibration damping cover 1 close to the lower end is matched with the lower limiting part 52 of the motor area 51, so that the vibration damping cover 1 is prevented from moving downwards.
In some embodiments, as shown in fig. 3, the outer side wall of the vibration damping cover 1 further has a second convex ring 13 near the lower end, and a plurality of convex ribs 17 are arranged between the first convex ring 11 and the second convex ring 13, so that on one hand, the weight of the vibration damping cover 1 can be reduced, and the matching buffer with the hand dryer body can also be achieved.
The utility model also provides a hand dryer, as shown in fig. 5, 7, 8, include: the motor vibration damping structure and the hand dryer main body are provided; the hand dryer main body comprises a main machine shell 5, and a motor vibration reduction structure is arranged in the main machine shell 5; the main machine shell 5 is provided with an air inlet and an air outlet 54; the motor drives the outside air in through the inlet and out of the dryer through the outlet 54.
In some embodiments, the air intake area 57 and the motor area 51 are arranged in the main machine housing 5; the motor area 52 is provided with a motor damping structure; an air inlet partition plate 56 is arranged between the air inlet area 57 and the motor area 51, the air inlet partition plate 56 is provided with an air inlet 53, and outside air enters the air inlet area 51 from the air inlet and enters the motor area 51 from the air inlet 53.
In some embodiments, as shown in fig. 5, 7, 8, comprising: the motor vibration damping structure and the hand dryer main body are provided; the hand dryer main body comprises a main machine shell 5, an air inlet area 57, a motor area 51 and a PCB area 58 are defined from the inside to the bottom of the main machine shell 5, and external air enters from the bottom of the main machine shell 5, passes through the air inlet area 57, the motor area 51 and the PCB area 58 and is discharged from an air outlet 54 at the upper part of the main machine shell 5; the PCB area is internally provided with components such as a power supply of the hand dryer, a PCB control panel and the like, and the airflow can take away part of heat in the components and is discharged from the air outlet 15.
Of course, as shown in fig. 4, 5 and 8, for the purpose of illustration, fig. 4 illustrates the relationship between the damping cover 1 and the main housing 5 in a partial main housing 5, such as the main housing 5 in an inner and outer shell structure, fig. 4 shows the relationship between the damping cover 1 and the inner shell, and the inner and outer shell structure shown in fig. 8 is used to show the air intake region 57, the motor region 51 and the PCB region 58; certainly, the present invention does not limit the host casing 5, and only a single casing may be adopted, and the above-mentioned air intake area 57, the motor area 51, and the PCB area 58 are limited by the single casing; as shown in fig. 8, the motor area 51 and the PCB area 58 are limited by the inner casing, and the air intake area 57 is limited by the bottom of the inner casing and a part of the outer casing.
In some embodiments, as shown in fig. 2, 5 and 8, an air inlet partition plate 56 is disposed between the air inlet area 57 and the motor area 51, and the air inlet partition plate 56 is provided with an air inlet 53 matched with the motor air inlet 23; the damper cap base 18 is in contact with the inlet baffle 56; for the air intake area 57 and the motor area 51, according to the requirement, an air intake partition plate 56 and an air intake opening 53 are arranged between the air intake area 57 and the motor area 51, when the vibration reduction cover 1 is installed in the motor area 51, the bottom 18 of the vibration reduction cover contacts with the air intake partition plate 56, the bottom is further limited and installed in place, at this time, the air intake opening 53 is aligned with the motor air intake opening 23, the butt joint is completed, after the outside air enters the air intake area 57, the outside air enters the motor housing 21 through the air intake opening 23 by the air intake opening 53 of the air intake partition plate 56, and finally is discharged from the motor air outlet 25.
In some embodiments, as shown in fig. 3, the damping cover bottom 18 is provided with a plurality of noise reduction holes 15, and since the damping cover bottom 18 is in contact with the air inlet partition 56, there is a certain gap, that is, there is a certain gap between the air entering from the air inlet 53 and the motor air inlet 23, and there is a change in caliber, the air flowing process may generate a certain vibration, and the noise reduction holes 15 of the damping cover bottom 18 may eliminate this part of vibration, and reduce noise.
In some embodiments, as shown in fig. 5, 7 and 8, the air intake region 57 is provided with the filter assembly 32 and the host base 31, the upper end of the filter assembly 32 is in contact with the air intake partition 56, the lower end of the filter assembly 32 is in contact with the host base 31, and the filter assembly 32 is fixedly limited in the air intake region 57; the host base 31 and the lower edge of the host shell 5 are provided with a base gap 35, and the base gap 35 can be used as an air inlet of the hand dryer; the outside air enters the air inlet area 57 from the base gap 35, passes through the filter assembly and enters the motor shell 21 of the motor area 51 from the air inlet 53; specifically, the air inlet area 57 can be provided with the filter assembly 32 for filtering inlet air, so as to ensure the cleanness of hand drying airflow, protect internal components and prolong the service life; meanwhile, a base gap 35 is formed between the host base 31 and the lower edge of the host shell 5, so that air enters, and the host base 31 can be fixedly connected with the host shell 5, so that the filter assembly 32 can be fixed between the host base and the host shell 5, the structure is simple, and a detachable structure can be arranged, so that the filter assembly 32 can be conveniently replaced; of course, in some embodiments having an inlet baffle 56, the host base 31 may be fixedly attached to the inlet baffle 56 and may define the filter assembly 62.
The filter assembly 62 may be a filtered HEPA.
In addition, the main machine base 31 can be provided with an anti-slip pad, when the hand dryer is used, the hand dryer only needs to be placed on a table, the main machine base 31 is in contact with the table, and when the hand dryer is placed on a table top, the hand dryer is placed to slide or topple over when working.
It should be pointed out that current hand dryer generally is the wall-hanging, sets up on the wall body outside the bathroom to do not have the portability, and the utility model discloses can conveniently carry hand dryer to can place in the desktop, for example in office environment, prevent at the public table platform between tea, after the work hand washing between tea, can dry hand, vibration, noise are low moreover, especially adapted office environment.
In some embodiments, as shown in fig. 6 and 7, the air outlet 54 is connected to the air guiding assembly 4, so as to guide the airflow at the air outlet 54 from the air guiding assembly 4 into a hand drying airflow for drying hands, as shown in the figures, in order to facilitate hand drying operation, the air guiding assembly 4 is a two-side channel which is transversely arranged, and can be configured with a blade to guide air to flow out, so that the air volume is large; when the drying machine is used, only wet hands are needed to be placed at the lower parts of the two sides respectively, and the air can be blown out to dry the hands quickly.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
Claims (10)
1. A motor vibration damping structure for a hand dryer is characterized by comprising a motor main body (2) and a vibration damping cover (1) for accommodating the motor main body (2); the motor body (2) is provided with a motor shell (21), and a motor (22) for driving air to enter is arranged in the motor shell (21); the vibration reduction cover (1) is made of soft materials, and the vibration reduction cover (1) is limited in the hand dryer main body to form flexible connection between the motor main body (2) and the hand dryer main body.
2. The motor damping structure for a hand dryer according to claim 1, wherein the motor housing (21) has a motor inlet opening (23) at a lower end of the motor housing (21) and a motor outlet opening (25) at an upper end of the motor housing (21), and air is introduced from the motor inlet opening (23) and discharged from the motor outlet opening (25).
3. The motor damping structure for a hand dryer according to claim 2, characterized in that the damping cap (1) has a first cap opening (101) at the lower end and a second cap opening (102) at the upper end; the motor main body (2) is arranged into the vibration reduction cover (1) through the second cover opening (102), the motor air inlet (23) is aligned with the first cover opening (101), and the motor air outlet (25) is aligned with the second cover opening (102) to form an air inlet and an air outlet of a motor vibration reduction structure.
4. The motor damping structure for a hand dryer according to claim 2, wherein the motor housing (21) has a motor housing boss (24) at an upper end side wall thereof; the size of the motor air inlet (23) is smaller than that of the motor air outlet (25); the lower end of the motor shell (21) is provided with a motor narrowing part (29) which gradually reduces along the upper end to the lower end of the motor shell (21); the vibration reduction cover (1) is provided with a cover inner side wall groove (14) matched with a motor shell bulge (24) and a cover inner limiting part (19) matched with a motor narrowing part (29) so as to prevent the motor body from moving axially in the vibration reduction cover (1).
5. The motor damping structure for a hand dryer according to claim 1, characterized in that the motor housing (21) has a positioning pin (26), the damping cap (1) has a positioning slot (16), and the positioning pin (26) cooperates with the positioning slot (16) when the motor body (2) is fitted into the damping cap (1) to restrict circumferential rotation of the motor body (2) within the damping cap (1).
6. The motor damping structure for a hand dryer according to claim 1, characterized in that the damping cover (1) has a first collar (11) near the upper end and a stopping step (12) near the lower end on the outer side wall, the first collar (11) cooperates with the upper stopping portion (55) of the motor area (51), and the stopping step (12) cooperates with the lower stopping portion (52) of the motor area (51) so that the motor damping structure is fixed in the motor area (51).
7. A hand dryer, comprising: a motor damping structure and a hand dryer body as claimed in any one of claims 1 to 6; the hand dryer main body comprises a main machine shell (5), and the motor vibration reduction structure is arranged in the main machine shell (5); the main machine shell (5) is provided with an air inlet and an air outlet (54); the motor drives the outside air to enter from the air inlet and to be discharged out of the hand dryer from the air outlet (54).
8. Hand dryer according to claim 7, characterized in that an air intake area (57), a motor area (51) are provided in the main machine housing (5); the motor vibration reduction structure is arranged in the motor area (51); an air inlet partition plate (56) is arranged between the air inlet area (57) and the motor area (51), an air inlet (53) is formed in the air inlet partition plate (56), and outside air enters the air inlet area (57) from the air inlet and enters the motor area (51) from the air inlet (53).
9. The hand dryer according to claim 8, wherein the air intake area (57) is located at the lower end of the motor area (51), the air intake area (57) is provided with a filter assembly (32) and a main machine base (31), the upper end of the filter assembly (32) is contacted with the air intake partition plate (56), the lower end of the filter assembly is contacted with the main machine base (31), and the filter assembly (32) is fixedly limited in the air intake area (57); host computer base (31) and host computer casing (5) lower limb have base clearance (35), in order to form the air intake of host computer casing (5), outside air gets into air inlet region (57) by base clearance (35), after filtering the subassembly, gets into motor casing (21) in motor region (51) by income wind gap (53).
10. The hand dryer as claimed in claim 7, characterized in that the air outlet opening (54) is connected to the air guiding assembly (4) for guiding the air flow of the air outlet opening (54) from the air guiding assembly (4) to the hand drying air flow for drying the hands.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023328644.3U CN214480046U (en) | 2020-12-30 | 2020-12-30 | Motor vibration reduction structure for hand dryer and hand dryer |
| PCT/CN2021/140899 WO2022143418A1 (en) | 2020-12-30 | 2021-12-23 | Hand dryer housing structure, electric motor vibration damping structure, air conditioning device and hand dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023328644.3U CN214480046U (en) | 2020-12-30 | 2020-12-30 | Motor vibration reduction structure for hand dryer and hand dryer |
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| Publication Number | Publication Date |
|---|---|
| CN214480046U true CN214480046U (en) | 2021-10-22 |
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|---|---|---|---|
| CN202023328644.3U Active CN214480046U (en) | 2020-12-30 | 2020-12-30 | Motor vibration reduction structure for hand dryer and hand dryer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022143418A1 (en) * | 2020-12-30 | 2022-07-07 | 追觅科技(上海)有限公司 | Hand dryer housing structure, electric motor vibration damping structure, air conditioning device and hand dryer |
| WO2023160263A1 (en) * | 2022-02-23 | 2023-08-31 | 追觅创新科技(苏州)有限公司 | Air output structure and cleaning device |
| WO2023216742A1 (en) * | 2022-05-09 | 2023-11-16 | 追觅创新科技(苏州)有限公司 | Fan support, electric motor, and blower |
-
2020
- 2020-12-30 CN CN202023328644.3U patent/CN214480046U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022143418A1 (en) * | 2020-12-30 | 2022-07-07 | 追觅科技(上海)有限公司 | Hand dryer housing structure, electric motor vibration damping structure, air conditioning device and hand dryer |
| WO2023160263A1 (en) * | 2022-02-23 | 2023-08-31 | 追觅创新科技(苏州)有限公司 | Air output structure and cleaning device |
| WO2023216742A1 (en) * | 2022-05-09 | 2023-11-16 | 追觅创新科技(苏州)有限公司 | Fan support, electric motor, and blower |
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