CN205758378U - Wall-breaking machine - Google Patents

Abstract

The utility model discloses a wall-breaking machine, which comprises: a casing and a base, the casing and the base cooperate to define a chamber, the casing and/or the base are provided with an air inlet and an air outlet connected to the chamber; The wind cover, the wind guide cover is arranged in the chamber, and the air inlet passage leading to the air inlet is defined between the outer wall surface of the wind guide cover and the inner wall surface of the casing; the motor bracket, the motor support is arranged in the chamber and is located in the wind guide Above the cover, the motor bracket is provided with an air guide plate opposite to the air guide cover, and the air guide cover and the air guide plate cooperate to define a heat dissipation cavity, which is connected to the air inlet channel and the air outlet; the motor assembly, the motor assembly installation On the motor support and in the heat dissipation cavity; the circuit board is arranged in the air inlet channel. According to the wall-breaking machine of the utility model, hot air can be avoided from heating other components in the casing, effectively reducing the temperature rise of the internal components of the wall-breaking machine, and prolonging the service life.

Description

Breaker

technical field

The utility model relates to the technical field of household appliances, in particular to a wall breaking machine.

Background technique

During the use of the wall breaking machine, the motor is rotating at a high speed (above 25,000 rpm), the air inlet and outlet are not fixed, there is no problem of determination, and the internal wind direction flow is not fixed. It often occurs that the internal temperature of the motor rises and the temperature of the electronic components of the circuit board rises, resulting in unstable performance of the product and a short service life of the product.

Utility model content

The utility model aims to solve one of the above-mentioned technical problems at least to a certain extent.

For this reason, the utility model proposes a broken wall machine, which can effectively reduce the internal temperature rise of the product and prolong the service life.

According to the utility model, the wall breaking machine includes: a casing and a base, the casing and the base cooperate to define a chamber, and the casing and/or the base are provided with an inlet that communicates with the chamber. An air outlet and an air outlet; an air guide cover, the air guide cover is arranged in the chamber, and an inlet that communicates with the air inlet is defined between the outer wall surface of the air guide cover and the inner wall surface of the casing. Wind channel; motor support, the motor support is located in the chamber and above the wind guide cover, the motor support is provided with a wind guide plate opposite to the wind guide cover, the wind guide cover Cooperate with the wind deflector to define a heat dissipation chamber, the heat dissipation chamber communicates with the air inlet channel and the air outlet; the motor assembly, the motor assembly is installed on the motor bracket and located in the heat dissipation chamber Inside; a circuit board, the circuit board is arranged in the air inlet channel.

According to the wall breaking machine of the present utility model, by setting the wind guide hood and the wind guide plate in the casing, and defining a heat dissipation chamber between the wind guide cover and the wind guide plate, enter the heat dissipation cavity after entering the air inlet passage from the air inlet After exchanging heat with the motor components in the heat dissipation cavity, the formed hot air will not flow back into the air inlet channel from the heat dissipation cavity, but will be directly discharged from the air outlet to avoid the hot air from affecting other components in the casing. Heating effectively reduces the temperature rise of the internal components of the breaker and prolongs the service life.

In addition, the wall breaker according to the utility model can also have the following additional technical features:

According to an embodiment of the present invention, an air channel plate is provided above the bottom wall of the base, and a through hole suitable for the passage of the motor assembly is provided on the air channel plate, and the air channel plate and the An air duct communicating with the air outlet is defined between the bottom walls, and the heat dissipation chamber communicates with the air duct through the through hole.

According to an embodiment of the present utility model, the wind deflector and the wind deflector are respectively formed into columns, the lower end of the wind deflector is connected with the air channel plate, and the upper end of the wind deflector is connected with the The top wall of the casing is connected, and the upper end of the air guide cover is spaced from the lower end of the air guide plate to form a gap leading to the air inlet channel.

According to an embodiment of the present utility model, a sealing ring is provided between the lower end of the wind guide cover and the air channel plate.

According to an embodiment of the present invention, the distance between the upper end of the wind guide cover and the lower end of the wind guide plate is less than 1 cm.

According to an embodiment of the present invention, the breaker further includes: an air duct panel, which is detachably arranged on the base to open and close the chamber.

According to an embodiment of the present invention, the bottom wall of the base is provided with an opening, and the air channel panel is detachably mounted on the opening to open and close the chamber.

According to an embodiment of the present invention, the air inlet and the air outlet are respectively located on opposite sides of the opening.

According to an embodiment of the present utility model, the total area of the air inlets is larger than the total area of the air outlets.

According to an embodiment of the present utility model, the area S of the air outlet is ≥ 500mm ² .

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present utility model will become apparent and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is a partial structural sectional view of a wall breaker according to an embodiment of the present invention;

Fig. 2 is a schematic diagram of the bottom structure of the wall breaker according to the embodiment of the present invention.

Reference signs:

Breaker 100;

Case 10; chamber 11; air inlet 12; air outlet 13;

Base 20; air duct plate 21; through hole 211; air duct 22; air duct panel 23;

Air guide cover 30; air inlet channel 31; cooling cavity 32; gap 33;

Motor bracket 40 ; wind deflector 41 ; motor assembly 50 ; fan 51 ; circuit board 60 ; sealing ring 70 .

detailed description

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention, but should not be construed as limiting the present invention.

The following describes the wall breaking machine 100 according to the embodiment of the present utility model in detail with reference to the accompanying drawings.

As shown in FIG. 1 and FIG. 2 , the wall breaker 100 according to the embodiment of the present invention includes a casing 10 , a base 20 , a wind guide 30 , a motor bracket 40 , a motor assembly 50 and a circuit board 60 .

Specifically, the casing 10 and the base 20 cooperate to define a chamber 11 , and the casing 10 and/or the base 20 are provided with an air inlet 12 and an air outlet 13 communicating with the chamber 11 . The air guide cover 30 is arranged in the chamber 11, and the air inlet passage 31 leading to the air inlet 12 is defined between the outer wall surface of the air guide cover 30 and the inner wall surface of the casing 10, and the motor bracket 40 is arranged in the chamber 11 And be positioned at the wind deflector 30 tops, the motor bracket 40 is provided with the wind deflector 41 that is arranged opposite to the wind deflector 30, the wind deflector 30 cooperates with the wind deflector 41 to define the cooling cavity 32, the cooling cavity 32 and the air inlet channel 31 and air outlet 13 conduction. The motor assembly 50 is mounted on the motor bracket 40 and located in the heat dissipation chamber 32 , and the circuit board 60 is arranged in the air inlet channel 31 .

In other words, as shown in FIG. 1 , in this application, the host of the wall breaker 100 is mainly composed of a casing 10 , a base 20 , a wind deflector 30 , a motor bracket 40 , a motor assembly 50 , and a circuit board 60 . 10 and the base 20 cooperate to define a chamber 11 where components can be installed, and the casing 10 and the base 20 are provided with an air inlet 12 and an air outlet 13 that communicate with the chamber 11, wherein the air inlet 12 and the air outlet 13 can be arranged on the casing 10 and the base 20 respectively, or both can be arranged on one of them, and the specific structure can be reasonably adjusted according to the overall structure of the wall breaking machine 100 .

The chamber 11 is provided with two air guide structures, namely the air guide cover 30 and the air guide plate 41, the air guide cover 30 is located at the bottom of the chamber 11, and the outer wall of the air guide cover 30 is spaced from the inner wall of the casing 10. Open and define the air inlet passage 31, the air inlet passage 31 is in communication with the air inlet 12, and the cold air entering from the air inlet 12 first enters the air inlet passage 31. The wind deflector 41 is located above the wind deflector 30 , and the wind deflector 30 and the wind deflector 41 cooperate to define a cooling cavity 32 , and the cooling cavity 32 communicates with the air inlet channel 31 and the air outlet 13 .

The circuit board 60 is arranged in the air inlet passage 31, and the cold air entering the chamber 11 from the air inlet 12 first enters the air inlet passage 31 to exchange heat with the circuit board 60 in the air inlet passage 31, and then enters the cooling cavity 32, and The motor assembly 50 in the heat dissipation cavity 32 performs heat exchange, and the hot air after heat exchange flows out of the cavity 11 through the air outlet 13 , without heating up other components in the casing 10 .

Therefore, according to the wall breaker 100 of the embodiment of the present utility model, by setting the wind guide cover 30 and the wind guide plate 41 in the casing 10, and defining a cooling chamber 32 between the wind guide cover 30 and the wind guide plate 41, The air that enters the air inlet channel 31 from the air inlet 12 and then enters the heat dissipation cavity 32, after exchanging heat with the motor assembly 50 in the heat dissipation cavity 32, the formed hot air will not flow back into the air intake channel 31 from the heat dissipation cavity 32 , but directly discharged from the air outlet 13, avoiding the hot air from heating other components in the casing 10, effectively reducing the temperature rise of the internal components of the wall breaking machine, and prolonging the service life.

Preferably, according to an embodiment of the present utility model, an air channel plate 21 is provided above the bottom wall of the base 20, and a through hole 211 is provided on the air channel plate 21 for the motor assembly 50 to pass through. An air duct 22 communicating with the air outlet 13 is defined between the walls, and the cooling cavity 32 communicates with the air duct 22 through the through hole 211 .

Specifically, as shown in Figure 1, in the present application, an air channel plate 21 is also provided on the base 20, and a through hole 211 is provided on the air channel plate 21, and a fan 51 can be provided at the lower end of the motor assembly 50, and the air channel plate 21 An air channel 22 is also defined between the bottom wall, and the air channel 22 communicates with the air outlet 13, and communicates with the cooling chamber 32 through the through hole 211, and the fan 51 can extend into the air channel 22 through the through hole 211. The heat-exchanged hot air in the cooling chamber 32 flows into the air duct 22 through the through hole 211 , then flows from the air duct 22 to the air outlet 13 , and is finally exported from the air outlet 13 . Therefore, the structural arrangement of the wall breaking machine 100 with this structure is more reasonable, and the structure of the wall breaking machine 100 is more compact while ensuring smooth air circulation.

Optionally, in some specific embodiments of the present utility model, the wind deflector 30 and the wind deflector 41 are respectively formed into columns, the lower end of the wind deflector 30 is connected to the air channel plate 21, and the upper end of the wind deflector 41 is connected to the machine. The top wall of the shell 10 is connected, and the upper end of the air guide cover 30 and the lower end of the air guide plate 41 are separated to form a gap leading to the air inlet channel 31 .

That is to say, in the present application, the air guide cover 30 is formed in a column shape with an open upper end, the air guide plate 41 is formed in a column shape with an open lower end, and the lower end of the air guide cover 30 is connected to the air duct plate 21 and communicated with the through hole 211. The upper end of the wind deflector 41 is connected to the top wall of the casing 10 and can close the top wall of the casing 10 to prevent hot air from flowing upward. A gap 33 is formed between the upper end of the air guide cover 30 and the lower end of the air guide plate 41 , through which the cooling cavity 32 communicates with the air inlet channel 31 .

Wherein, preferably, the wind deflector 41 can also be integrally formed with the motor bracket 40, and the distance between the upper end of the wind deflector 30 and the lower end of the wind deflector 41 is less than 1 cm. Therefore, the wall breaker 100 with this structure has a simple structure, is convenient to form, and has high heat dissipation efficiency. On the basis of ensuring the air circulation efficiency, it can effectively prevent the components inside the casing 10 from heating up.

According to an embodiment of the present invention, a sealing ring 70 is provided between the lower end of the air guide cover 30 and the air channel plate 21 . Thus, by setting the sealing ring 70 between the wind guide cover 30 and the air duct plate 21, it can effectively prevent the hot air from overflowing from the heat dissipation cavity 32 to the air duct 22 and heat up other components, further improving the The heat dissipation effect of the wall breaking machine 100.

Optionally, in some specific embodiments of the present invention, the wall breaker 100 further includes an air channel panel 23 which is detachably provided on the base 20 to open and close the chamber 11 . Further, the bottom wall of the base 20 is provided with an opening, and the air channel panel 23 is detachably mounted on the opening to open and close the chamber 11 .

Thus, by setting the detachable air duct panel 23 on the base 20, after the breaker 100 has been used for a certain period of time, the air duct panel 23 can be disassembled to clean the internal components of the breaker 100, which is convenient for the breaker. 100% use and guarantee its safety.

According to some embodiments of the present utility model, the air inlet 12 and the air outlet 13 are respectively located on opposite sides of the opening. Preferably, the total area of the air inlet 12 is greater than the total area of the air outlet 13. In some preferred embodiments, the air outlet The area S of 13 ≥ 500 mm ² .

Specifically, as shown in FIG. 2 , in this application, the air inlet 12 and the air outlet 13 can be located on opposite sides of the air duct panel 23 respectively, and the total area of the air inlet 12 is larger than the total area of the air outlet 13, and the air outlet The area of the tuyeres 13 is preferably greater than 500 mm ² .

Therefore, the structure and arrangement of the air inlet 12 and the air outlet 13 are reasonable, which can effectively ensure the air inlet and outlet efficiency, reduce the temperature rise of the components in the casing 10, and prolong the service life of the wall breaker 100 .

Other configurations and operations of the wall breaker 100 according to the embodiment of the present utility model are known to those of ordinary skill in the art, and will not be described in detail here.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", Orientation indicated by "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation , so it cannot be interpreted as a limitation of the present utility model.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present utility model, "plurality" means two or more, unless otherwise specifically defined.

In this utility model, unless otherwise specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

In the present invention, unless otherwise clearly specified and limited, a first feature being "on" or "below" a second feature may include direct contact between the first and second features, and may also include the first and second features being in direct contact with each other. The features are not in direct contact but through another feature between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "below" and "under" the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is less horizontal than the second feature.

In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structures, materials or features are included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be construed as limitations of the present utility model, and those skilled in the art will not depart from the scope of the present utility model. The above-mentioned embodiments can be changed, modified, replaced and modified within the scope of the present utility model under the principle and purpose.

Claims (10)

1. a wall-breaking machine, it is characterised in that including:

Casing and base, described casing and described base engagement limit chamber, and described casing and/or base are provided with described The air inlet of chamber conducting and air outlet；

Wind scooper, described wind scooper is located in described chamber, between outside wall surface and the internal face of described casing of described wind scooper Limit the air intake passage turned on described air inlet；

Electric machine support, described electric machine support is located in described chamber and is positioned at above described wind scooper, described electric machine support sets Having the wind deflector being oppositely arranged with described wind scooper, described wind scooper coordinates with described wind deflector and limits heat dissipation cavity, described dissipates Hot chamber and described air intake passage and the conducting of described air outlet；

Electric machine assembly, described electric machine assembly is arranged on described electric machine support and is positioned at described heat dissipation cavity；

Wiring board, described wiring board is located in described air intake passage.

Wall-breaking machine the most according to claim 1, it is characterised in that the diapire of described base is arranged over air duct board, institute State air duct board to be provided with and be suitable to the through hole that described electric machine assembly passes, limit with described between described air duct board and described diapire The air channel of air outlet conducting, described heat dissipation cavity is turned on described air channel by described through hole.

Wall-breaking machine the most according to claim 2, it is characterised in that described wind scooper and described wind deflector are respectively formed as Column, the lower end of described wind scooper is connected with described air duct board, and the upper end of described wind deflector is connected with the roof of described casing, The gap that between the upper end of described wind scooper with the lower end of described wind deflector, spaced apart formation turns on described air intake passage.

Wall-breaking machine the most according to claim 3, it is characterised in that between lower end and the described air duct board of described wind scooper It is provided with sealing ring.

Wall-breaking machine the most according to claim 3, it is characterised in that under the upper end of described wind scooper and described wind deflector Between end spaced apart less than 1cm.

Wall-breaking machine the most according to claim 2, it is characterised in that also include: air channel panel, described air channel panel can Releasably it is located on described base to open and close described chamber.

Wall-breaking machine the most according to claim 6, it is characterised in that the diapire of described base is provided with opening, described air channel Panel is removably mounted on described opening part to open and close described chamber.

Wall-breaking machine the most according to claim 7, it is characterised in that described air inlet and described air outlet lay respectively at institute State the opposite sides of opening.

9. according to the wall-breaking machine according to any one of claim 1-8, it is characterised in that the gross area of described air inlet is more than The gross area of described air outlet.

Wall-breaking machine the most according to claim 9, it is characterised in that the area S >=500mm of described air outlet²。