CN212850070U

CN212850070U - Motor dust cover

Info

Publication number: CN212850070U
Application number: CN202021906782.2U
Authority: CN
Inventors: 朱金凯; 王白林
Original assignee: Taicang Kuntai Precision Mould Co ltd
Current assignee: Taicang Kuntai Precision Mould Co ltd
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-03-30
Anticipated expiration: 2030-09-03

Abstract

The application relates to a dust cover of a motor, which comprises a base and a cover body arranged at the upper end of the base, wherein the side wall of the cover body is provided with an air inlet, a fan is arranged in the air inlet, an air filter box is also arranged at the air inlet, and the filter box is positioned at the outer side of the cover body and is fixedly connected with the cover body; a filter element is arranged in the filter box, an air inlet and an air outlet are formed in the side wall of the filter box, the air outlet is communicated with the air inlet, and the filter element is located between the air outlet and the air inlet. The fan can cover the external air suction of body inside through the filter cartridge, and the filter core can filter the dust in the air to prevent that the dust from entering into the internal portion of cover, under the radiating effect's of guaranteeing the dust cover prerequisite, effectively promoted the dustproof effect of dust cover.

Description

Motor dust cover

Technical Field

The application relates to a motor dust cover.

Background

A motor is a commonly used power device, which can convert electric energy into kinetic energy, and is generally used as a power source for various mechanical devices.

While in places where the motor is often dusty, such as construction sites and workshops where a lot of debris is generated. Dust can enter into the motor inside through the louvre on the motor casing in these use scenes to cause motor short circuit or other damages easily, consequently, need use the motor dust cover.

For example, utility model patent that publication number is CN211209437U specifically discloses a three-phase asynchronous motor is with keeping apart dust cover, including the base, set up spacing frame and the dust-proof side cover of setting in spacing frame inboard in the base upper end. The vent has all been seted up around the dust-proof side cover, and the interior top of dust-proof side cover is fixed with the fan, and the top of fan still is provided with dustproof top cap, and the three-phase asynchronous machine main part sets up the inboard at the dust-proof side cover.

When the dust cover is used, the fan is started, the fan can drive airflow in the dust cover to flow, airflow circulation is achieved inside and outside the dust cover, hot air can be exhausted through the ventilation opening, the heat dissipation effect of the dust cover is improved, and normal heat dissipation of the three-phase asynchronous motor main body is guaranteed.

However, when hot air is exhausted through the vent, air outside the dust cover enters the dust cover, and therefore dust outside the dust cover easily enters the dust cover along with the air, so that the dust prevention effect of the dust cover is reduced.

SUMMERY OF THE UTILITY MODEL

In order to guarantee dustproof effect, this application provides a motor dust cover.

The application provides a motor dust cover adopts following technical scheme:

a motor dust cover comprises a base and a cover body arranged at the upper end of the base, wherein an air inlet and an air outlet are formed in the side wall of the cover body, a fan is arranged in the air inlet, an air filter box is further arranged at the air inlet, and the filter box is located on the outer side of the cover body and is fixedly connected with the cover body;

the filter box is characterized in that a filter element is arranged in the filter box, an air inlet and an air outlet are formed in the side wall of the filter box, the air outlet is communicated with the air inlet, and the filter element is located between the air outlet and the air inlet.

Through adopting above-mentioned technical scheme, the fan can cover external air suction cover internal portion through the filter cartridge, and the filter core can filter the dust in the air to prevent that the dust from entering into cover internal portion, under the prerequisite of the radiating effect of guaranteeing the dust cover, effectively promoted the dustproof effect of dust cover.

Preferably, the filter box comprises a box body connected with the cover body and a box cover matched with the box body, and the filter element is positioned in the box body and detachably connected with the box body; the box cover is hinged to the box body, the air outlet is located on the box body, and the air inlet is located on the box cover.

Through adopting above-mentioned technical scheme, the lid can be opened to the staff changes the filter core, thereby guarantees that the normal work of filter cartridge has passed.

Preferably, a protective net is arranged in the air inlet, and the protective net is fixedly connected with the box cover.

Through adopting above-mentioned technical scheme, the protection network can play certain guard action to the filter core, guarantees that the filter core is difficult for receiving destruction to guarantee that the filter core normally works.

Preferably, a first limiting ring is fixedly connected to the inner wall of the box body, a second limiting ring is fixedly connected to the peripheral side of the filter element, the second limiting ring is located between the first limiting ring and the box cover, and the first limiting ring is abutted to the second limiting ring; a sealing gasket is arranged between the first limiting ring and the second limiting ring and fixedly connected with the first limiting ring; a third limiting ring which is abutted with the side wall of the second limiting ring is arranged on the box cover; the box body is provided with a fixing component for fixing the box cover.

Through adopting above-mentioned technical scheme, first spacing ring and third spacing ring can be fixed second spacing ring and filter core, and sealed the pad can seal the gap between first limiting plate and the second limiting plate to guarantee that the filter core can fully filter the air that gets into the internal portion of cover, promote the dustproof effect of dust cover, and fixed subassembly can fix the lid on the box body, thereby fix the filter core, guarantee the stability of filter core.

Preferably, fixed subassembly is including setting up the connecting plate in the box body outside, connecting plate one end is articulated with the box body lateral wall, and the other end extends to lid one side and fixedly connected with fixture block, the fixture block is located the connecting plate towards one side of lid, set up on the lid with fixture block joint complex draw-in groove.

Through adopting above-mentioned technical scheme, rotate the connecting plate, make fixture block and draw-in groove be connected, can fix the lid on the box body, can promote the convenience that the staff operated.

Preferably, a plurality of dust-proof plates are arranged in the air outlet, the dust-proof plates are arranged along the length direction of the air outlet, and the plurality of dust-proof plates are uniformly distributed along the height direction of the air outlet; one side of the dust guard, which is close to the outer side of the cover body, is inclined downwards, and the dust guards are parallel to each other.

Through adopting above-mentioned technical scheme, the dust guard can play certain dustproof effect to the air outlet to promote the dustproof effect of dust cover.

Preferably, a baffle curtain is arranged at the air outlet, is positioned outside the cover body and is arranged along the length direction of the air outlet; one side of the blocking curtain in the length direction is positioned above the air outlet and hinged with the cover body, and the other side of the blocking curtain extends to the lower part of the air outlet; the length of the blocking curtain is not less than that of the air outlet.

Through adopting above-mentioned technical scheme, when the fan started, the inside atmospheric pressure of cover body risees, consequently, the internal air of cover can be opened the check curtain to make the internal and outside circulation of air of cover, guarantee the heat dispersion of dust cover. When the fan stops, the stop curtain can be automatically closed under the action of self gravity, so that the cover body is kept closed, and the dustproof effect of the dustproof cover is ensured.

Preferably, a protection plate is further arranged above the blocking curtain and arranged along the length direction of the blocking curtain; the protection plate is arranged in an arc shape, one side of the protection plate in the length direction is fixedly connected with the cover body, and the other side of the protection plate is bent downwards; the length of the protection plate is not less than that of the blocking curtain; both ends of the protection plate in the length direction are fixedly connected with side plates.

Through adopting above-mentioned technical scheme, guard plate and curb plate can play the sheltering from the guard action to the check curtain, make the check curtain be difficult for receiving the destruction to guarantee the normal work of check curtain.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the fan can suck the air outside the cover body into the cover body through the filter box, and the filter element can filter the dust in the air, so that the dust is prevented from entering the cover body, and the dustproof effect of the dustproof cover is effectively improved on the premise of ensuring the heat dissipation effect of the dustproof cover;

2. the box cover can be opened so as to facilitate the replacement of the filter element by workers; the air inlet is internally provided with a protective net which can play a certain role in protecting the filter element and ensure that the filter element is not easily damaged, thereby ensuring that the filter box normally works;

3. the air outlet is provided with the check curtain, when the fan is started, the air pressure in the cover body is increased, so that the air in the cover body can open the check curtain, the air in the cover body is circulated with the outside air, and the heat dissipation performance of the dust cover is ensured; when the fan stops, the stop curtain can be automatically closed under the action of self gravity, so that the cover body is kept closed, and the dustproof effect of the dustproof cover is ensured.

Drawings

FIG. 1 is an exploded view of a motor dust shield;

FIG. 2 is a structure for showing an outlet vent;

fig. 3 is a structure for showing a curtain and a shielding plate.

In the drawings, the reference numbers: 1. a base; 2. a cover body; 21. a fan; 22. a dust-proof plate; 23. a curtain; 24. a protection plate; 25. a side plate; 3. a filter cartridge; 31. a box body; 311. a first limit ring; 312. a gasket; 313. a connecting plate; 314. a clamping block; 32. a filter element; 321. a second stop collar; 33. a box cover; 331. a third limit ring; 332. a protective net; 333. a clamping groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses motor dust cover. Referring to fig. 1, the dust cover for the motor includes a base 1 and a cover 2 disposed at an upper end of the base 1, and the motor can be placed inside the cover 2 and fixed at the upper end of the base 1. An air inlet and an air outlet are formed in the side wall of the cover body 2, a fan 21 is arranged in the air inlet, the fan 21 is fixedly connected with the cover body 2, an air filter box 3 is fixedly connected to the outer side of the cover body 2, and the filter box 3 is located at the air inlet. An air inlet and an air outlet are arranged on the air filter box 3, and the air outlet is communicated with the air inlet. The dust cover during operation, fan 21 rotates, and fan 21 can be through filter cartridge 3 with the air suction cover body 2 inside of the cover body 2 outside, and is provided with filter core 32 in the filter cartridge 3, and filter core 32 can filter the air that gets into the cover body 2 inside, reduces the content of dust in the air to guarantee the dustproof effect of dust cover.

Referring to fig. 1 and 2, the filter box 3 includes a box body 31 fixedly connected to the side wall of the cover body 2 and a box cover 33 matched with the box body 31, and the box cover 33 is located on one side of the box body 31 opposite to the cover body 2 and is hinged to the upper end of the box body 31. The lower end of the box body 31 is provided with a fixing component, and the fixing component comprises a connecting plate 313 arranged on the outer side of the box body 31 and a clamping block 314 fixedly connected with the connecting plate 313. One end of the connecting plate 313 is hinged to the box body 31, the other end extends to one side of the box cover 33, the latch 314 is located on one side of the connecting plate 313 facing the box cover 33, and a slot 333 which is in snap fit with the latch 314 is formed in the box cover 33. When the latch 314 is connected to the latch slot 333, the box 31 can be fixed to the box 31.

Referring to fig. 1, the air outlet is located on the inner wall of the box body 31, and the air inlet is located on the side wall of the box cover 33. The filter element 32 is located between the air inlet and the air outlet. A protective net 332 is further arranged in the air inlet, the protective net 332 is fixedly connected with the box cover 33, and the protective net 332 can protect the filter element 32, so that the filter element 32 is not easy to damage.

Referring to fig. 1, a first limiting ring 311 is fixedly connected to an inner wall of the box body 31, the first limiting ring 311 is disposed along a peripheral side of the box body 31, a second limiting ring 321 is fixedly connected to a peripheral side of the filter element 32, the second limiting ring 321 is located between the first limiting ring 311 and the box body 31, and the first limiting ring 311 abuts against the second limiting ring 321. Still be provided with sealed the pad 312 between first spacing ring 311 and the second spacing ring 321, sealed pad 312 and first spacing ring 311 fixed connection, when first spacing ring 311 and second spacing ring 321 looks butt, sealed pad 312 can seal the gap between first spacing ring 311 and the second spacing ring 321 for filter core 32 can fully filter the air that gets into in the cover body 2.

Referring to fig. 1, a third limiting ring 331 is fixedly connected to a side of the box cover 33 facing the filter element 32, and the third limiting ring 331 is disposed along a circumferential direction of the box cover 33. When the box cover 33 is closed, the third limiting ring 331 abuts against the second limiting ring 321, so that the second limiting ring 321 and the filter element 32 are fixed by matching with the first limiting ring 311, and the stability of the filter element 32 is ensured.

Referring to fig. 2, the air outlet sets up along the horizontal direction to be provided with a plurality of dust guards 22 in the air outlet, dust guard 22 sets up along air outlet length direction, and a plurality of dust guards 22 are along air outlet direction of height evenly distributed, and dust guard 22 sets up towards the one side downward sloping in the cover body 2 outside, consequently, when fan 21 stall, a plurality of dust guards 22 can play certain hindrance effect to the dust in the cover body 2 outside, promote the dustproof effect of dust cover.

Referring to fig. 2 and 3, a blocking curtain 23 is arranged at the air outlet, the blocking curtain 23 is positioned outside the cover body 2 and arranged along the length direction of the air outlet, and the length of the blocking curtain 23 is greater than that of the air outlet. One side of the blocking curtain 23 in the length direction extends to the upper part of the air outlet and is hinged with the cover body 2, and the other side extends to the lower part of the air outlet. When fan 21 starts, fan 21 lets in the air current to the cover body 2 in, because the atmospheric pressure in the cover body 2 rises, the air of the cover body 2 inside can be opened check curtain 23 to realize the inside and outside circulation of air of the cover body 2, dispel the heat to the cover body 2 inside. When the fan 21 is closed, the curtain 23 is automatically closed under the action of gravity, so that the cover body 2 is kept in a closed state, and the dustproof performance of the dustproof cover is ensured.

The material of the curtain 23 may be soft material such as cloth and leather.

Referring to fig. 3, a shielding plate 24 is further disposed above the curtain 23, the shielding plate 24 is disposed along a length direction of the curtain 23, and a length of the shielding plate 24 is greater than a length of the curtain 23. Protection plate 24 is the arc setting, and 24 length direction's of protection plate one side and cover body 2 lateral wall fixed connection, the opposite side is crooked downwards, and protection plate 24 can protect curtain 23, makes curtain 23 be difficult for receiving the damage. Both ends of the length direction of the protection plate 24 are fixedly connected with side plates 25, and the side plates 25 are positioned below the protection plate 24. The side plate 25 and the protection plate 24 are matched, so that the protection effect on the stop curtain 23 can be effectively improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a motor dust cover which characterized in that: the air purifier comprises a base (1) and a cover body (2) arranged at the upper end of the base (1), wherein the side wall of the cover body (2) is provided with an air inlet and an air outlet, a fan (21) is arranged in the air inlet, an air filtering box (3) is also arranged at the air inlet, and the filtering box (3) is positioned at the outer side of the cover body (2) and is fixedly connected with the cover body (2);

a filter element (32) is arranged in the filter box (3), an air inlet and an air outlet are formed in the side wall of the filter box (3), the air outlet is communicated with the air inlet, and the filter element (32) is located between the air outlet and the air inlet.

2. A dust cover for an electric motor according to claim 1, wherein: the filter box (3) comprises a box body (31) connected with the cover body (2) and a box cover (33) matched with the box body (31), and the filter element (32) is positioned in the box body (31) and detachably connected with the box body (31); lid (33) are articulated with box body (31), the gas outlet is located box body (31), the air inlet is located lid (33).

3. A dust cover for an electric motor according to claim 2, wherein: a protective net (332) is arranged in the air inlet, and the protective net (332) is fixedly connected with the box cover (33).

4. A dust cover for an electric motor according to claim 2, wherein: the inner wall of the box body (31) is fixedly connected with a first limiting ring (311), the peripheral side of the filter element (32) is fixedly connected with a second limiting ring (321), the second limiting ring (321) is positioned between the first limiting ring (311) and the box cover (33), and the first limiting ring (311) is abutted to the second limiting ring (321); a sealing gasket (312) is arranged between the first limiting ring (311) and the second limiting ring (321), and the sealing gasket (312) is fixedly connected with the first limiting ring (311); the box cover (33) is provided with a third limiting ring (331) which is abutted against the side wall of the second limiting ring (321); the box body (31) is provided with a fixing component for fixing the box cover (33).

5. The motor dust cover according to claim 4, wherein: fixed subassembly is including setting up connecting plate (313) in box body (31) outside, connecting plate (313) one end is articulated with box body (31) lateral wall, and the other end extends to lid (33) one side and fixedly connected with fixture block (314), fixture block (314) are located connecting plate (313) towards one side of lid (33), offer on lid (33) with fixture block (314) joint complex draw-in groove (333).

6. A dust cover for an electric motor according to claim 1, wherein: a plurality of dust-proof plates (22) are arranged in the air outlet, the dust-proof plates (22) are arranged along the length direction of the air outlet, and the dust-proof plates (22) are uniformly distributed along the height direction of the air outlet; one side of the dust-proof plate (22) close to the outer side of the cover body (2) is inclined downwards, and the dust-proof plates (22) are parallel to each other.

7. A dust cover for an electric motor according to claim 1, wherein: a baffle curtain (23) is arranged at the air outlet, and the baffle curtain (23) is positioned at the outer side of the cover body (2) and arranged along the length direction of the air outlet; one side of the blocking curtain (23) in the length direction is positioned above the air outlet and hinged with the cover body (2), and the other side of the blocking curtain extends to the lower part of the air outlet; the length of the curtain (23) is not less than that of the air outlet.

8. A dust cover for an electric motor according to claim 7, wherein: a protection plate (24) is further arranged above the blocking curtain (23), and the protection plate (24) is arranged along the length direction of the blocking curtain (23); the protection plate (24) is arranged in an arc-shaped plate, one side of the protection plate (24) in the length direction is fixedly connected with the cover body (2), and the other side of the protection plate is bent downwards; the length of the protection plate (24) is not less than that of the blocking curtain (23); both ends of the protection plate (24) in the length direction are fixedly connected with side plates (25).