CN206295265U - Hot blast motor cover for household electrical appliance and the baking box with it - Google Patents

Abstract

The utility model discloses a kind of hot blast motor cover for household electrical appliance and the baking box with it, hot blast motor cover is provided with air inlet and air outlet, and hot blast motor cover includes：Antetheca；Perisporium, the preceding week of perisporium along the week with antetheca along being connected, and perisporium in the week along perisporium along the annular for extending, perisporium and antetheca cooperatively form cavity unlimited below, perisporium in from front to back and outward-dipping 15 ° to 45 ° of direction extension shape；Flange, Later Zhou Dynasty, one of the Five Dynasties of flange and perisporium along being connected and extend towards the outside of perisporium, and flange in the Later Zhou Dynasty, one of the Five Dynasties along perisporium along the annular for extending.According to the hot blast motor cover for household electrical appliance of the present utility model, go up the shape of outward-dipping extension from front to back by the way that the perisporium of hot blast motor cover is formed in, be conducive to air that vortex hot blast is formed between air inlet and air outlet, the culinary art effect of baking box is improved, and ensures the stable performance of baking box.

Description

Hot blast motor cover for household electrical appliance and the baking box with it

Technical field

The utility model is related to household electrical appliance technical field, more particularly, to a kind of hot blast electricity for household electrical appliance Hood and the baking box with it.

Background technology

Structure after the hot blast motor cover shaping of the baking box in correlation technique is unfavorable for that the formation of vortex has a strong impact on baking box Heating effect, and hot blast motor cover and cavity, in assembling, assembly process is complicated, and the labour intensity of workman is big, production effect Rate is low, it is therefore desirable to which the structure to hot blast motor cover is optimized.

Utility model content

The utility model is intended at least solve to a certain extent one of technical problem in correlation technique.

Therefore, the utility model proposes a kind of hot blast motor cover for household electrical appliance, this is used for the hot blast of household electrical appliance The simple structure of motor cover, compact, novel appearance, wind effect are good.

The utility model also proposes a kind of baking box with the above-mentioned hot blast motor cover for household electrical appliance.

According to the hot blast motor cover for household electrical appliance of the utility model first aspect, the hot blast motor cover is provided with Air inlet and air outlet, the hot blast motor cover include：Antetheca；Perisporium, the preceding week of the perisporium is along all edges with the antetheca It is connected, and the annular that the perisporium extends in the week edge along the perisporium, the perisporium cooperatively forms spacious below with the antetheca The cavity opened, the perisporium in from front to back and outward-dipping 15 ° to 45 ° direction extend shape；Flange, the flange with The Later Zhou Dynasty, one of the Five Dynasties of the perisporium along being connected and extend towards the outside of the perisporium, and the flange in the Later Zhou Dynasty, one of the Five Dynasties along the perisporium along prolonging The annular stretched.

According to the hot blast motor cover for household electrical appliance of the present utility model, it is formed in by by the perisporium of hot blast motor cover The shape of outward-dipping extension is gone up from front to back, is conducive to air that vortex hot blast is formed between air inlet and air outlet, improve The culinary art effect of baking box, and ensure the stable performance of baking box.This is used for the simple structure of the hot blast motor cover of household electrical appliance, tight Gather, novel appearance, wind effect is good.

In addition, according to the hot blast motor cover for household electrical appliance of the present utility model, can also have following additional skill Art feature：

According to one embodiment of the present utility model, the flange is provided with and is spaced cloth along around the direction of the motor cover The multiple screw connecting holes put.

According to one embodiment of the present utility model, slot to make way is formed with the perisporium of the hot blast motor cover, it is described to allow The position groove part for accommodating screw head relative with the screw connecting hole.

According to one embodiment of the present utility model, the width of the part on perisporium left side and right side is located in the flange Degree is located at the width of the part of described perisporium the upper side and lower side more than the flange, and it is left that the motor cover is located in the flange The part on side and right side has been respectively formed on the screw connecting hole.

According to one embodiment of the present utility model, the middle part of the roof of the hot blast motor cover is recessed to form scarce downwards Mouthful, breach hot blast motor cover described in insertion along the longitudinal direction.

According to one embodiment of the present utility model, the air inlet is formed in the centre of the antetheca of the hot blast motor cover Position, and the upper left side of the air inlet, lower left, upper right side and lower right are provided with the air outlet, the air-out Mouth is spaced apart preset distance between the air inlet.

According to one embodiment of the present utility model, concave shape is cyclic backward for a part for the antetheca of the hot blast motor cover Shape groove, the annular groove is set around the air inlet, and the air inlet is located at the inner side of the annular groove and the air outlet Positioned at the outside of the annular groove.

According to one embodiment of the present utility model, the angle between the normal of the surface of the perisporium and the antetheca exists In the range of 25 ° to 35 °.

According to one embodiment of the present utility model, the hot blast motor cover is integrated the sheet metal component being stamped and formed out.

According to the baking box of the utility model second aspect, including：Cavity；Hot blast motor cover, the hot blast motor is located at On the preceding surface of the cavity rear wall, the hot blast motor cover is the hot blast motor cover according to above-described embodiment, the heat Closed by the cavity rear wall behind wind-powered electricity generation hood, and the flange is abutted on the rear surface in the cavity, the heat Wind-powered electricity generation hood coordinates restriction exhaust passage with the cavity rear wall；Fan, the fan be located in the air channel and with the hot blast It is relative before and after the air inlet of motor cover.

Additional aspect of the present utility model and advantage will be set forth in part in the description, partly by from following description In become obvious, or by it is of the present utility model practice recognize.

Brief description of the drawings

Fig. 1 is the hot blast motor cover according to the baking box of the utility model embodiment in a stereogram for angle；

Fig. 2 is the stereogram in another angle according to the hot blast motor cover of the baking box of the utility model embodiment；

Fig. 3 is the stereogram at another visual angle according to the hot blast motor cover of the baking box of the utility model embodiment；

Fig. 4 is the enlarged drawing in the A portions shown in Fig. 3；

Fig. 5 is the front view of the structure shown in Fig. 1；

Fig. 6 is the side view of the structure shown in Fig. 1；

Fig. 7 is the enlarged drawing in the B portions shown in Fig. 6.

Fig. 8 is the stereogram of the cavity of the baking box according to the utility model embodiment；

Fig. 9 is the front view of the structure shown in Fig. 8；

Figure 10 is the top view of the structure shown in Fig. 8.

Reference：

10：Cavity；102：Mating holes；

11：First die mould；1101：Rectangular channel；1102：Gap slot；

111：3rd die mould；112：4th die mould；1121：Axis hole；

12：Second die mould；

20：Hot blast motor cover；201：Cavity；

21：Antetheca；211：Air inlet；212：Air outlet；2111(2121)：Through hole；213：Annular groove；

22：Perisporium；221：Slot to make way；222：Breach；

23：Flange；231：Screw connecting hole；

24：Lug；241：Lug boss；242：First end；243：Second end.

Specific embodiment

Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings.Below by The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that new to this practicality The limitation of type.

1 to Fig. 7 is specifically described according to the utility model first aspect embodiment for household electrical appliance below in conjunction with the accompanying drawings Hot blast motor cover 20.

According to the hot blast motor cover 20 for household electrical appliance of the utility model embodiment, hot blast motor cover 20 be provided with into Air port 211 and air outlet 212, hot blast motor cover 20 include antetheca 21, perisporium 22 and flange 23.Specifically, before perisporium 22 Week along the week with antetheca 21 along being connected, and perisporium 22 in the week along perisporium 22 along extension annular, perisporium 22 coordinates with antetheca 21 Behind formation open wide cavity, perisporium 22 in from front to back and outward-dipping 15 ° to 45 ° direction extend shape, flange 23 With Later Zhou Dynasty, one of the Five Dynasties of perisporium 22 along being connected and extend towards the outside of perisporium 22, and flange 23 in the Later Zhou Dynasty, one of the Five Dynasties along perisporium 22 along the ring for extending Shape.

That is, the hot blast motor cover 20 is mainly made up of antetheca 21, perisporium 22 and flange 23, wherein, hot blast motor The antetheca 21 of cover 20 is formed and is arranged in perpendicular (plane that above-below direction as shown in Figure 4 and left and right directions are formed), heat The perisporium 22 of wind-powered electricity generation hood 20 forms the annular of the circumferentially extending along antetheca 21, and hot blast motor cover 20 perisporium 22 be located at it is preceding The rear of wall 21, the side (front side as shown in Figure 6) of the perisporium 22 of hot blast motor cover 20 and the antetheca 21 of hot blast motor cover 20 Periphery along being connected, the perisporium 22 of hot blast motor cover 20 is connected spacious to limit side (rear side as shown in Figure 9) with antetheca 21 The cavity opened.

Hot blast motor cover 20 is provided with air inlet 211 and air outlet 212, and air-flow can be by the air intake of hot blast motor cover 20 Mouth 211 is flowed into the cavity of hot blast motor covers 20, is then discharged by the air outlet 212 of hot blast motor cover 20, and so on, real Show circulating for air-flow.

Further, the perisporium 22 of hot blast motor cover 20 extends to be formed relative to horizontal direction (such as Fig. 9 institutes from front to back The fore-and-aft direction for showing) the annular plate that is obliquely installed, between the contour line and horizontal direction of the perisporium 22 of hot blast motor cover 20 Angle is 15 ° -45 °, so that the rear side of hot blast motor cover 20 forms opening, wherein, the inclination angle of the perisporium 22 of hot blast motor cover 20 Can be 15 °, 30 ° or 45 °, advantageously ensure that wind effect.

Thus, according to the hot blast motor cover 20 for household electrical appliance of the utility model embodiment, by by hot blast motor The perisporium 22 of cover 20 is formed in the shape for going up outward-dipping extension from front to back, is conducive to air in air inlet 211 and air outlet Vortex hot blast is formed between 212, the culinary art effect of baking box is improved, and ensures the stable performance of baking box.This is used for household electrical appliance Hot blast motor cover 20 simple structure, compact, novel appearance, wind effect is good.

In some specific embodiments of the present utility model, hot blast motor cover 20 includes antetheca 21, perisporium 22 and flange 23.Specifically, the centre position of antetheca 21 is formed with air inlet 211, and the upper left side of antetheca 21, lower left side, upper right side and Lower right side is equipped with air outlet 212, and preceding week of perisporium 22, and perisporium 22 was in along the week of perisporium 22 along the week with antetheca 21 along being connected Along the annular for extending, perisporium 22 cooperatively forms cavity 201 unlimited below with antetheca 21, and perisporium 22 is in from front to back and leans outward The shape that oblique 15 ° to 45 ° of direction extends, and the left and right sides of the top surface of perisporium 22 and the left and right sides of bottom surface are equipped with air-out Mouthfuls 212, Later Zhou Dynasty, one of the Five Dynasties of flange 23 and perisporium 22 is along being connected and towards the outside extension of perisporium 22, and flange 23 is in after along perisporium 22 Week is along the annular for extending.

That is, the hot blast motor cover 20 is mainly made up of antetheca 21, perisporium 22 and flange 23, wherein, hot blast motor The antetheca 21 of cover 20 is formed and is arranged in perpendicular (plane that above-below direction and left and right directions as depicted in figs. 1 and 2 is formed) Interior, the perisporium 22 of hot blast motor cover 20 forms the annular of the circumferentially extending along antetheca 21, and hot blast motor cover 20 perisporium 22 Positioned at the rear of antetheca 21, side (front side as shown in Figure 2) and the hot blast motor cover 20 of the perisporium 22 of hot blast motor cover 20 Along being connected, the perisporium 22 of hot blast motor cover 20 is connected to limit side (after as shown in Figure 3 with antetheca 21 for the periphery of antetheca 21 Side) unlimited cavity 201.

The central region of the antetheca 21 of hot blast motor cover 20 is provided with air inlet 211, the neighbour of the antetheca 21 of hot blast motor cover 20 Four groups of air outlets 212 are provided with the region of nearly outer edge, wherein, four groups the first of the air outlet 212 group left side for being located at air inlet 211 Upper area, four groups the second of air outlet 212 group is located in the upper right side region of air inlet 211, four groups the 3rd of air outlet 212 the Group is located in the bottom-left quadrant of air inlet 211, four groups the 4th of air outlet 212 the group lower right region for being located at air inlet 211 It is interior.

Further, the perisporium 22 of hot blast motor cover 20 extends to be formed relative to horizontal direction (such as Fig. 9 institutes from front to back The fore-and-aft direction for showing) the annular plate that is obliquely installed, the top and bottom of the perisporium 22 of hot blast motor cover 20 are respectively equipped with along it Length direction (left and right directions as shown in Figure 3) two groups of air outlets 212 arranged spaced apart, the perisporium 22 of hot blast motor cover 20 Angle between contour line and horizontal direction is 15 ° -45 °, so that the rear side of hot blast motor cover 20 forms opening, wherein, hot blast The inclination angle of the perisporium 22 of motor cover 20 can be 15 °, 30 ° or 45 °, advantageously ensure that wind effect.

Four groups of air outlets 212 on the antetheca 21 of hot blast motor cover 20 are arranged spaced apart with air inlet 211 respectively, and every group The distance between air outlet 212 and air inlet 211 are preset length, the air intake of the medium position that air-flow passes through hot blast motor cover 20 Mouth 211 enters in the cavity 201 of hot blast motor cover 20, then to surrounding diffusion to form vortex, finally from positioned at air inlet 211 Around air outlet 212 discharge, and so on, realize circulating for air-flow.

Thus, according to the hot blast motor cover 20 for household electrical appliance of the utility model embodiment, by by air inlet 211 Position is at the middle part of hot blast motor cover 20, and the upper left side of air inlet 211, upper right side, lower left and lower right and week Air outlet 212 is arranged on wall 22, is conducive to air that vortex hot blast is formed between air inlet 211 and air outlet 212, improve baking box Culinary art effect, and ensure the stable performance of baking box；Gone up from front to back by the way that the perisporium 22 of hot blast motor cover 20 is formed in The shape of outward-dipping predetermined angle, is conducive to air that vortex hot blast is formed between air inlet 211 and air outlet 212, enters one Step improves the culinary art effect of baking box, and then ensures the stable performance of baking box.This is used for the knot of the hot blast motor cover 20 of household electrical appliance Structure is simple, compact, novel appearance, and wind effect is good.

In some specific embodiments of the present utility model, it is equipped with the antetheca 21 and perisporium 22 of hot blast motor cover 20 Air outlet 212, the upper left side of antetheca 21, lower left side, upper right side and lower right side are equipped with air outlet 212, the top surface of perisporium 22 The left and right sides of the left and right sides and bottom surface be each formed with least a portion of the air outlet 212 on air outlet 212, and perisporium 22 with Air outlet on antetheca 21 is corresponded to about 212.

Referring to Figures 1 and 2, the upper left region of the antetheca 21 of hot blast motor cover 20, upper right quarter region, lower left quarter region with And air outlet 212 is respectively equipped with right lower quadrant region, and be provided with the region positioned at top of the perisporium 22 of hot blast motor cover 20 Two groups of (left and right directions as shown in Figure 2) air outlets 212 arranged spaced apart along its length, and perisporium 22 positioned at top Two groups of air outlets 212 respectively with the antetheca 21 of hot blast motor cover 20 positioned at upper left side and two groups of air outlets 212 in upper right side Position correspondence, is provided with two groups along its length (as shown in Figure 1 in the region positioned at bottom of the perisporium 22 of hot blast motor cover 20 Left and right directions) air outlet 212 arranged spaced apart, and perisporium 22 two groups of air outlets 212 positioned at bottom respectively with hot blast The antetheca 21 of motor cover 20 it is corresponding with the two of lower right groups of positions of air outlet 212 positioned at lower left.

Air-flow can be flowed into the cavity 201 of hot blast motor cover 20 by the air inlet 211 of hot blast motor cover 20, Ran Houxiang The surrounding of air inlet 211 is spread to form vortex, finally by four groups of air outlets 212 on the antetheca 21 of hot blast motor cover 20 with And four groups of air outlets 212 of the top and bottom of the perisporium 22 of hot blast motor cover 20 are discharged, and and so on, realize the circulation of air-flow Flowing.

Alternatively, each in air inlet 211 and multiple air outlets 212 includes spaced apart multiple through holes 2111 (2121), and each through hole 2111 (2121) maximum radial dimension in the range of 1.5 millimeters to 15 millimeters.

Reference picture 5, air inlet 211 and every group of air outlet 212 include multiple through holes 2111 arranged spaced apart (2121), the center spacing between every two neighboring through hole 2111 (2121) can be with equal, it is also possible to unequal；Each through hole 2111 (2121) maximum radial dimension d can be controlled between 1.5mm to 15mm, if for example, through hole 2111 (2121) is formed Circular hole, the diameter of all through holes 2111 of air inlet 211 can be one in 1.5mm, 8mm, 12mm or 15mm, i.e., often The size of individual through hole 2111 is equal, and multiple through holes 2111 of certain air inlet 211 can also use different sizes.

Similarly, the diameter of every group of multiple through holes 2121 of air outlet 212 can be 1.5mm, 6mm, 10mm or One in 15mm, i.e., the size of every group each through hole 2121 of air outlet 212 is equal, and every group of air outlet 212 is more certainly Individual through hole 2121 can also use different sizes, can specifically be adjusted as needed.

Thus, by limiting the size of through hole 2111 (2121), if by the application of hot blast motor cover 20 in an oven, Ke Yiqi To the effect of anti-leaky wave, so as to improve the culinary art effect of baking box, it is ensured that the stable performance of baking box.

Alternatively, according to one embodiment of the present utility model, through hole 2111 (2121) is circular port, square opening or do not advise Then shape hole.

Specifically, the shape of multiple through holes 2111 of air inlet 211 can use circular port, and by the straight of circular port In 1.5mm-15mm, certainly, the shape of multiple through holes 2111 of air inlet 211 can also form hole knot of different shapes for footpath control Structure, for example, the formation of a part of through hole 2111 circular port of air inlet 211, the formation square opening of a part of through hole 2111, and another portion Through hole 2111 is divided to form irregular shape hole.Similarly, the shape of every group of multiple through holes 2121 of air outlet 212 can be used Circular port, it is also possible to form pore structure of different shapes, for example, a part of through hole 2121 of every group of air outlet 212 forms circle Hole, a part of through hole 2121 form square opening, and another part through hole 2121 forms irregular shape hole, specifically can be according to need It is adjusted, this utility model is not limited.

Advantageously, according to one embodiment of the present utility model, air outlet 212 and air inlet 211 in left-right direction and Above-below direction staggers.

Reference picture 5, the antetheca 21 of hot blast motor cover 20 is provided with one group of air inlet 211 and four groups of air outlets 212, wherein, enter Air port 211 is located at the medium position of antetheca 21, four groups the two of air outlet 212 groups with the another two groups left sides for being respectively provided at air inlet 211 Side and right side, four groups the two of air outlet 212 groups are respectively provided above and below air inlet 211 with another two groups, and air inlet 211 will Four groups of air outlets 212 separate in above-below direction and left and right directions.Thus, by by air outlet 212 and air inlet 211 along left and right Direction and above-below direction stagger, and are conducive to air-flow to enter in the cavity 201 of hot blast motor cover 20 and expand to the surrounding of air inlet 211 Dissipate, so as to form vortex, and then improve the heating effect of baking box, it is ensured that the stable performance of whole machine.

Alternatively, the rectangular plate-like that the antetheca 21 of hot blast motor cover 20 extends in edge left and right directions long, and hot blast motor Four corners of the antetheca 21 of cover 20 are equipped with air outlet 212.Specifically, as shown in figure 5, the antetheca 21 of hot blast motor cover 20 is big Formation is caused to be arranged in the rectangle plate in perpendicular (plane where left and right directions as shown in Figure 5 and above-below direction), its In, the edge left and right directions long of the antetheca 21 of hot blast motor cover 20 extends, and the short side of the antetheca 21 of hot blast motor cover 20 is vertically Direction extends.

The middle part of antetheca 21 is provided with air inlet 211, and the region positioned at four right angles of antetheca 21 is provided with air outlet 212, i.e., Antetheca 21 is provided with four groups of air outlets 212, and the upper left side of four groups of air outlets 212 respectively positioned at air inlet 211 is (as shown in Figure 5 Region I), upper right side (region II as shown in Figure 5), lower left (region III as shown in Figure 5), lower right it is (as shown in Figure 5 Region IV), every group of air outlet 212 is arranged spaced apart with air inlet 211.

Air-flow can flow into the cavity of hot blast motor cover 20 by the air inlet 211 positioned at middle part of hot blast motor cover 20 In 201, then discharged by four groups of air outlets 212 of hot blast motor cover 20, and so on, realize circulating for air-flow, from And ensure the culinary art effect of baking box.

Preferably, the corner arc transition of the antetheca 21 of hot blast motor cover 20.Specifically, the antetheca 21 of hot blast motor cover 20 The rectangle plate being arranged in a vertical direction is substantially formed, and the outline in four corners of the antetheca 21 of hot blast motor cover 20 is linear , to the arc of short side transition, so as to the guiding for playing a part of, make the air-flow can during flowing in the hot blast motor cover 20 into along side long With smooth flow forming vortex.

Wherein, the upper edge of the antetheca 21 of the overlay area proximity thermal wind-powered electricity generation hood 20 of air inlet 211 and lower edge.Reference picture 5, The distance between the coboundary in the region of the covering of air inlet 211 and the upper edge of antetheca 21 of hot blast motor cover 20 are equal to air inlet The distance between the lower boundary in the region of 211 coverings and the lower edge of antetheca 21 of hot blast motor cover 20；The covering of air inlet 211 The distance between the left margin in region and the left margin of antetheca 21 of hot blast motor cover 20 are equal to the region that air inlet 211 is covered The distance between the right edge of the antetheca 21 of right margin and hot blast motor cover 20, and the coboundary in the region of the covering of air inlet 211 Left margin and hot blast with the distance between the upper edge of antetheca 21 of hot blast motor cover 20 less than the region that air inlet 211 is covered The distance between left margin of antetheca 21 of motor cover 20, is that air outlet 212 provides the region arranged, so as to be conducive in hot blast Vortex is formed in the cavity 201 of motor cover 20, the heating effect of baking box is improved.

Additionally, a part for the antetheca 21 of hot blast motor cover 20 concave shape circularizes groove 213 backward, annular groove 213 surround Air inlet 211 is set, and air inlet 211 is located at the inner side of annular groove 213 and air outlet 212 is located at the outside of annular groove 213.

Specifically, the middle part of the antetheca 21 of hot blast motor cover 20 is provided with (as shown in Figure 2 relative to the outer surface of antetheca 21 Leading flank) inside (as shown in Figure 2 backward) groove annular groove 213, the central region in annular groove 213 is (as shown in Figure 5 Region V) it is provided with air inlet 211, i.e. annular groove 213 and separates air inlet 211 with air outlet 212, processing, easy to manufacture, shaping It is convenient, be conducive to improving the good appearance of the hot blast motor cover 20.

Preferably, the angle between the normal of the surface of perisporium 22 and antetheca 21 is in the range of 25 ° to 35 °.

Reference picture 6 and Fig. 7, the plane where the roof of perisporium 22 are obliquely installed relative to perpendicular, and perisporium 22 Angle between the normal of the plane at the place of plane and antetheca 21 where roof is α, similarly, where the bottom wall of perisporium 22 The plane where plane, the right side wall of perisporium 22 where plane, the left side wall of perisporium 22 with the plane where antetheca 21 The angle of normal is that the angle α between α, and 25 °≤α≤35 °, such as normal of the surface of perisporium 22 and antetheca 21 can be 25 °, 30 ° or 35 °, can so ensure that hot blast motor cover 20 limits the cavity 201 of open at one end, so that hot blast motor Exhaust passage is limited between cover 20 and cavity 10, furthermore, the effect being oriented to is may also operate as, be conducive to air-flow to form whirlpool in air channel Stream, so as to improve the culinary art effect of baking box.

Preferably, hot blast motor cover 20 is integrated the sheet metal component being stamped and formed out.Thus, integrally formed structure not only can be with Ensure the properity stability of hot blast motor cover 20 and lug 24, and be conveniently molded, be simple to manufacture, and eliminate many Remaining assembly parts and connection operation, substantially increase the efficiency of assembling of baking box, it is ensured that the company of hot blast motor cover 20 and cavity 10 Reliability is connect, furthermore, the bulk strength and stability of integrally formed structure are higher, and assembling is more convenient, and the life-span is longer.

Wherein, flange 23 is provided with along the spaced apart multiple screw connecting holes 231 in direction of wound motor cover.Specifically Ground, as shown in figures 1 and 3, flange 23 forms the annular of the circumferentially extending along the antetheca 21 of hot blast motor cover 20, and flange 23 with The perisporium 22 of hot blast motor cover 20 is connected, and flange 23 is provided with multiple along its annular length direction mode connects for screw arranged spaced apart Hole 231, when hot blast motor cover 20 is arranged in cavity 10, hot blast motor cover 20 passes through multiple screws and is connected with cavity 10, both The connection reliability of hot blast motor cover 20 and cavity 10 can be ensured, can ensure hot blast motor cover 20 with cavity 10 in its week again Upward sealing, so as to be conducive to improving the heating effect of baking box, it is ensured that the stable performance of baking box.

Slot to make way 221 is formed with the perisporium 22 of hot blast motor cover 20, slot to make way 221 is relative with screw connecting hole 231 to be used In the part for accommodating screw head.Reference picture 5, the perisporium 22 of hot blast motor cover 20 is provided with multiple circumferentially-spaced opens cloth along its The position of the multiple screw connecting holes 231 on the slot to make way 221 put, and the flange 23 of multiple slots to make way 221 and hot blast motor cover 20 One-to-one corresponding is put, each slot to make way 221 forms the semicircle that the contour line of the perisporium 22 relative to hot blast motor cover 20 caves inward Connected in star, when hot blast motor cover 20 and cavity 10 are assembled, the head of screw of screw is located at the front side of flange 23, and screw screw A part for head is located in slot to make way 221, by setting slot to make way 221 on the perisporium 22 of hot blast motor cover 20, can be used for Screw is accommodated, the structure after making hot blast motor cover 20 be assembled with cavity 10 is compacter, and profile is more attractive in appearance.

Advantageously, the width that the part on the left side of perisporium 22 and right side is located in flange 23 is located on perisporium 22 more than flange 23 The part that motor cover left side and right side are located in the width of the part of side and downside, and flange 23 has been respectively formed on screw connecting hole 231。

That is, the antetheca 21 of hot blast motor cover 20 is substantially formed is arranged in perpendicular (right and left as shown in Figure 2 To with the plane where above-below direction) in rectangle plate, wherein, the edge left and right directions long of the antetheca 21 of hot blast motor cover 20 Extend, the short side of the antetheca 21 of hot blast motor cover 20 is vertically extending.

Accordingly, the perisporium 22 and flange 23 of hot blast motor cover 20 form the week along the antetheca 21 of hot blast motor cover 20 respectively To extend annular plate, and the perisporium 22 of hot blast motor cover 20 width along hot blast motor cover 20 thickness direction (such as Fore-and-aft direction shown in Fig. 2) extend, the width of the part positioned at the left and right sides of the flange 23 of hot blast motor cover 20 is along left Right direction extends, and the width that the flange 23 of hot blast motor cover 20 is located at the part of upper and lower both sides is vertically extending, position In being respectively equipped with multiple screw connecting holes arranged spaced apart on the left and right sides flange 23 of the antetheca 21 of hot blast motor cover 20 231, and flange 23 above and below antetheca 21 width less than the flange 23 positioned at the left side of antetheca 21 and right side Width, so as on the basis of the structural strength for ensureing flange 23, facilitate the installation of screw, it is to avoid the screw on flange 23 connects Connect hole 231 and produce gap when with mode connects for screw.

Wherein, the middle part of the roof of hot blast motor cover 20 is recessed forms breach 222 downwards, and breach 222 is passed through along the longitudinal direction Logical hot blast motor cover 20.

Specifically, as shown in figure 5, the position positioned at top (top as shown in Figure 5) of the perisporium 22 of hot blast motor cover 20 Jagged 222 are installed, breach 222 is located at the centre position at top and (such as Fig. 2 inside relative to the surface of the left and right sides at top Shown is downward) depression, and breach 222 along perisporium 22 width (fore-and-aft direction as shown in Figure 2) insertion, can be with Play a part of guiding, be conducive to air that vortex hot blast is formed in the cavity 201 of hot blast motor cover 20, so as to improve baking box Culinary art effect.

Air inlet 211 is formed in the centre position of the antetheca 21 of hot blast motor cover 20, and air inlet 211 upper left side, a left side Lower section, upper right side and lower right are provided with air outlet 212, and pre- spacing is spaced apart between air outlet 212 and air inlet 211 From.

Referring to Figures 1 and 2, and Fig. 5 is combined, the antetheca 21 of hot blast motor cover 20 forms the rectangle being arranged in perpendicular Plate, wherein, the middle part of antetheca 21 is provided with air inlet 211, and the region positioned at four right angles of antetheca 21 is provided with air outlet 212, That is antetheca 21 is provided with four groups of air outlets 212, four groups of air outlets 212 respectively positioned at the upper left side of air inlet 211 (as shown in Figure 5 Region I), upper right side (region II as shown in Figure 5), lower left (region III as shown in Figure 5), lower right (as shown in Figure 5 Region IV), every group of air outlet 212 is arranged spaced apart with air inlet 211.

Air-flow can flow into the cavity of hot blast motor cover 20 by the air inlet 211 positioned at middle part of hot blast motor cover 20 In 201, then discharged by four groups of air outlets 212 of hot blast motor cover 20, and so on, realize circulating for air-flow, from And ensure the culinary art effect of baking box.

In some specific embodiments of the present utility model, lug 24, and lug 24 are connected with hot blast motor cover 20 Free end extend to behind hot blast motor cover 20 and preset distance L be spaced apart between hot blast motor cover 20.

Reference picture 3 and Fig. 4, and Fig. 6 and Fig. 7 is combined, if hot blast motor cover 20 is assembled with cavity 10, hot blast motor cover 20 It is located on the rear wall of cavity 10 and in cavity 10, i.e., hot blast motor cover 20 is located at the medial surface of the rear wall of cavity 10 On, hot blast motor cover 20 is provided with multiple lugs 24 arranged spaced apart, rear side of each lug 24 towards hot blast motor cover 20 Extend, i.e., the free end of each lug 24 exceeds the trailing flank of hot blast motor cover 20, hot blast motor cover 20 has been assembled with cavity 10 Cheng Hou, the multiple lugs 24 in hot blast motor cover 20 are plugged in the multiple mating holes 102 on the rear wall of cavity 10 respectively, and At least a portion of each lug 24 and the rear wall of cavity 10 stop to being connected, it is ensured that cavity 10 can with the connection of hot blast motor cover 20 By property.

1 to Figure 10 is specifically described and (not shown according to the baking box of the utility model second aspect embodiment below in conjunction with the accompanying drawings Go out).

Baking box according to the utility model embodiment includes cavity 10, hot blast motor cover 20 and fan.Specifically, hot blast Motor cover 20 is located on the medial surface of the rear wall of cavity 10, and hot blast motor cover 20 is the hot blast motor cover 20 according to above-described embodiment, Closed by the rear wall of cavity 10 behind hot blast motor cover 20, and flange 23 is abutted on the rear surface in cavity 10, hot blast motor Cover 20 with the rear wall of cavity 10 coordinate limit exhaust passage, fan be located in air channel and with the air inlet 211 of hot blast motor cover 20 before and after Relatively.

That is, baking box is mainly made up of cavity 10, hot blast motor cover 20 and fan, wherein, as shown in Figure 1 to Figure 3, The hot blast motor cover 20 is mainly made up of antetheca 21, perisporium 22 and flange 23, wherein, the antetheca 21 of hot blast motor cover 20 forms cloth Put in perpendicular (plane that above-below direction as shown in Figure 2 and left and right directions are formed), the perisporium 22 of hot blast motor cover 20 Formed along antetheca 21 circumferentially extending annular, and hot blast motor cover 20 perisporium 22 be located at antetheca 21 rear, hot blast electricity The side (front side as shown in Figure 2) of the perisporium 22 of hood 20 and the periphery of the antetheca 21 of hot blast motor cover 20 along being connected, hot blast The perisporium 22 of motor cover 20 extends be obliquely installed relative to horizontal direction (fore-and-aft direction as shown in Figure 2) with being formed from front to back Annular plate so that the rear side of hot blast motor cover 20 forms opening.

Further, flange 23 forms the annular of the circumferentially extending along the perisporium 22 of hot blast motor cover 20, flange 23 it is interior Circle is connected with the side (rear side as shown in Figure 2) away from antetheca 21 of the perisporium 22 of hot blast motor cover 20, and flange 23 is provided with Outer ring contour line relative to flange 23, the slot to make way 221 for caving inward, one end of lug 24 is located at turning over for hot blast motor cover 20 Side 23 is connected and in slot to make way 221, processing, easy to manufacture, convenient formation.

After hot blast motor cover 20 is completed with cavity 10, the side of the antetheca 21 away from hot blast motor cover 20 of flange 23 (rear surface as shown in Figure 2) is brought into close contact with the inner side (leading flank as shown in Figure 8) of the rear wall of cavity 10, can both ensure The connection reliability of the two, can ensure the sealing between hot blast motor cover 20 and cavity 10 again, so as to ensure adding for baking box Thermal effect, makes the performance of baking box more stablize.

Exhaust passage is limited between the rear wall of hot blast motor cover 20 and cavity 10, hot blast motor cover 20 is provided with and is turned on air channel Air inlet 211 and air outlet 212, the air that fan is located in air channel and in the dead astern of air inlet 211, cavity 10 exists High velocity air is formed in the presence of fan, then air-flow is flowed into air channel by the air inlet 211 of hot blast motor cover 20, is finally led to The air outlet 212 of overheat wind-powered electricity generation hood 20 is discharged, and and so on, circulating for air-flow is realized, so as to ensure the culinary art of baking box Effect.

Wherein, lug 24 is connected with hot blast motor cover 20, and the free end of lug 24 extends to hot blast motor cover 20 Preset distance is spaced apart below and between hot blast motor cover 20, and lug 24 is connected to behind hot blast motor cover 20, and lug 24 in the shell fragment shape for first upwardly extending again backward.

The baking box is mainly made up of cavity 10, hot blast motor cover 20, wherein, as shown in Fig. 8 to Figure 10, cavity 10 includes two Individual side wall and a rear wall, two one end of side wall are connected with the two ends of rear wall respectively, and two side walls are positioned opposite, cavity 10 Heating chamber is inside defined, the rear wall of cavity 10 is provided with multiple mating holes 102.

Further, hot blast motor cover 20 is located on the rear wall of cavity 10 and in cavity 10, i.e. hot blast motor cover 20 are located on the medial surface of the rear wall of cavity 10 (leading flank as shown in Figure 8), and hot blast motor cover 20 is provided with multiple intervals The lug 24 of arrangement is opened, each lug 24 extends towards the rear side of hot blast motor cover 20, i.e. the free end of each lug 24 exceeds The trailing flank of hot blast motor cover 20, after hot blast motor cover 20 is completed with cavity 10, the multiple lugs in hot blast motor cover 20 24 are plugged in the multiple mating holes 102 on the rear wall of cavity 10 respectively, and each lug 24 at least a portion and cavity 10 rear wall stops to connected, it is ensured that the connection reliability of cavity 10 and hot blast motor cover 20.

Exhaust passage is limited between the rear wall of hot blast motor cover 20 and cavity 10, hot blast motor cover 20 is provided with and is turned on air channel Air inlet 211 and air outlet 212, air-flow can be flowed into air channel by the air inlet 211 of hot blast motor cover 20, then passed through The air outlet 212 of hot blast motor cover 20 is discharged, and and so on, realizes circulating for air-flow.

Thus, according to the baking box of the utility model embodiment, by setting lug 24 in hot blast motor cover 20, and in chamber The mating holes 102 coordinated with lug 24 is set on the rear wall of body 10, realize hot blast motor cover 20 and cavity 10 assemble before it is predetermined Position, reduces the assembling difficulty of hot blast motor cover 20 and cavity 10, strengthens the manufacturability of product, improves hot blast motor cover 20 with the packaging efficiency of cavity 10.The simple structure of the baking box, each part connection is reliable, is convenient to mount and dismount, and production efficiency is high.

Advantageously, a part of convexed forward of lug 24 is into lug boss 241, and the lug boss 241 of lug 24 is against chamber On the rear surface of body 10, lug boss 241 is adjacent to the upper edge of lug 24.

Specifically, as shown in Figure 6 and Figure 7, the first end 242 of lug 24 is connected with flange 23, the second end 243 of lug 24 Free end is formed, when lug 24 extends from first end 242 to the second end 243, is upwardly extended along the vertical direction first, then hot blast The fore-and-aft direction of motor cover 20 extends back to form segmental arc, finally upwards and along the longitudinal direction shape forward along the vertical direction Into lug boss 241, when hot blast motor cover 20 is assembled with cavity 10, first by the lug 24 of hot blast motor cover 20 and matching somebody with somebody for cavity 10 Close the clamping of hole 102, make lug 24 lug boss 241 stop be against cavity 10 rear wall trailing flank, realize hot blast motor cover 20 with Pre-determined bit before the fixed installation of cavity 10.

Alternatively, the curved sheet of lug 24.Thus, curved sheet is set by by lug 24, makes hot blast motor cover 20 with cavity 10 assembling when, lug 24 can be finely adjusted according to the position of hot blast motor cover 20, be advantageously implemented elastic change Shape, it is ensured that lug 24 can be slipped into smoothly in mating holes 102, prevents lug 24 from being fractureed because of deformation, it is ensured that hot blast motor cover 20 Use reliability.

Preferably, lug 24 includes spaced apart multiple in left-right direction, and mating holes 102 includes and multiple lugs 24 It is corresponding one or more.

Referring to figs. 1 to Fig. 6, the upper edge of hot blast motor cover 20 is provided with multiple (left and right as shown in Figure 2 along its length Direction) lug 24 arranged spaced apart, accordingly, the top of the rear wall of cavity 10 is provided with multiple along its length (such as Fig. 8 institutes The left and right directions for showing) mating holes 102 arranged spaced apart, multiple lugs 24 correspond with the position of multiple mating holes 102, and The quantity of the lug 24 in hot blast motor cover 20 is equal with the quantity of the mating holes 102 on cavity 10, can so limit hot blast The movement in the lateral direction of motor cover 20, realizes the pre-determined bit of hot blast motor cover 20 and cavity 10, improves hot blast motor cover 20 With the efficiency of assembling of cavity 10.

In some specific embodiments of the present utility model, baking box includes cavity 10, hot blast motor cover 20 and fan (not Show).Specifically, hot blast motor cover 20 is covered in the inner side of the rear wall of cavity 10, and hot blast motor cover 20 and cavity 10 rear wall Between limit exhaust passage, the medium position before hot blast motor cover 20 is formed with air inlet 211, and air inlet 211 upper left Side, lower left, upper right side and lower right are provided with air outlet 212, and fan is located in air channel, and fan and air inlet 211 It is front and rear relative, the first die mould 11 and the second forwardly convex die mould 12 being recessed backward, first are formed with the rear wall of cavity 10 The die mould 12 of die mould 11 and second be respectively positioned on air channel inner side, the first die mould 11 be formed in the centre position of the rear wall of cavity 10 and be located at into Behind air port 211, the second die mould 12 is arranged on the outside of the first die mould 11.

Cavity 10 includes two side walls and a rear wall, and two one end of side wall are connected with the two ends of rear wall respectively, and two Individual side wall is positioned opposite, and heating chamber is defined in cavity 10, and hot blast motor cover 20 is located on the rear wall of cavity 10 and positioned at chamber In body 10, i.e., hot blast motor cover 20 is located on the medial surface of the rear wall of cavity 10 (leading flank as shown in Figure 8), and hot blast electricity Limit exhaust passage between the rear wall of hood 20 and cavity 10, hot blast motor cover 20 be provided with the air inlet 211 that is turned on air channel and Air outlet 212, air inlet 211 is located at the middle part of hot blast motor cover 20, surrounding (such as upper left side, lower left, the right side of air inlet 211 Top and lower right) air outlet 212 is equipped with, air-flow can be flowed into air channel by the air inlet 211 of hot blast motor cover 20, Then discharged by the air outlet 212 of hot blast motor cover 20, and so on, realize circulating for air-flow.

Wherein, the rear wall of cavity 10 is provided with and is caved inward relative to a side surface (preceding surface as shown in Figure 8) of rear wall The first die mould 11 and second die mould 12 outwardly relative to a side surface (preceding surface as shown in Figure 8) of rear wall, i.e., The surface of the surface of the first die mould 11 and the second die mould 12 forms the inwall in air channel, and the first die mould 11 is located at the rear wall of cavity 10 Middle part and positioned at the dead astern of hot blast motor cover 20, and the second die mould 12 is set adjacent to the edge of the rear wall of cavity 10, i.e., second Die mould 12 is located at the outside of the first die mould 11.

Thus, according to the baking box of the utility model embodiment, be recessed backward first is formed by the rear wall in cavity 10 Die mould 11 and the second forwardly convex die mould 12 so that air-flow enters formation vortex in air channel by air inlet 211, so as to optimize The heating effect of baking box, improves the culinary art effect of baking box.The simple structure of the baking box, each part connection is reliable, is convenient to mount and dismount, property Can be stable, heating effect is good.

Alternatively, the perisporium 22 of the first die mould 11 is upwardly and inwardly inclined 30 ° to 50 °, the second die mould in side from front to back 12 side towards the first die mould 11 inclines in the side for extending forward up towards the direction away from the first die mould 11.

The plane where leading flank due to the first die mould 11 relative to the rear wall of cavity 10 is recessed backward, therefore, first Die mould 11 has the perisporium 22 of bottom wall and the circumferentially extending along its bottom wall, and the perisporium 22 of the first die mould 11 inclines relative to horizontal direction Intilted angle is 30 °, 40 ° or 50 ° to the perisporium 22 of tiltedly setting, and the first die mould 11 from front to back, is conducive to air-flow Vortex is formed in air channel, so as to improve the heating effect of baking box.

Further, the second die mould 12 forms the convex portion of the leading flank of the rear wall for protruding from cavity 10, the second die mould 12 Be obliquely installed relative to the Central Symmetry face of the first die mould 11 towards the side side wall of the first die mould 11, and the second die mould 12 court It is obtuse angle to the angle between the side wall of the first die mould 11 and the plane of the region of the first die mould 11, air-flow passes through air inlet 211 enter when in air channel, and the first die mould 11 and the second die mould 12 can change airflow direction, play a part of guiding, favorably Vortex is formed in air channel in air-flow, and then improves the heating effect of baking box.

Wherein, the first die mould 11 is by rectangular channel 1101 and 1102 groups of the gap slot positioned at the top left and right sides of rectangular channel 1101 Close and formed.Specifically, as shown in figure 9, the preceding surface that the rear wall relative to cavity 10 is defined in the first die mould 11 caves inward Groove, groove is mainly by being located at the rectangular channel 1101 at middle part and being located at the both sides (left and right two as shown in Figure 9 of rectangular channel 1101 Side) gap slot 1102 constitute, alternatively, two gap slots 1102 can be respectively provided at rectangular channel 1101 positioned at the left and right sides Top or bottom, it is also possible to the center line relative to rectangular channel 1101 is arranged symmetrically, and can specifically be entered according to design requirement Row processing, shaping.

Further, the top of the first die mould 11, lower section, left side and right side are equipped with the second die mould 12, positioned at the first pressure The second die mould 12 above and below type 11 extends in left-right direction, and positioned at the left side of the first die mould 11 and second pressure on right side Type 12 is vertically extending.

As shown in figure 9, in the present embodiment, the rear wall of cavity 10 forms an indent (relative to the rear wall institute of cavity 10 Plane be recessed backward) the first die mould 11 and four evaginations (plane where rear wall relative to cavity 10 is forwardly convex) The second die mould 12, each second die mould 12 is arranged spaced apart with the first die mould 11 respectively.

First die mould 11 substantially forms rectangular channel 1101, and the edge horizontal direction long of rectangular channel 1101 is (as shown in Figure 2 Left and right directions) extend, vertically (above-below direction as shown in Figure 9) extends the short side of rectangular channel 1101, four second pressures Two in type 12 are located above and below the first die mould 11 respectively, and the position the second die mould 12 in the horizontal direction (left and right directions as shown in Figure 9) extends, another two in four the second die moulds 12 respectively positioned at the left side of the first die mould 11 and Right side, and two the second die moulds 12 of the position vertically (above-below direction as shown in Figure 9) extends, and four second The inner side (as shown in Figure 9 towards the side of the first die mould 11) of die mould 12 is in the side for extending forward up towards away from the first die mould 11 Direction incline, in the rectangular channel 1101 that the first die mould 11 that air-flow enters in air channel from air inlet 211 is formed, then along the Two die moulds 12 spread to surrounding, so as to be conducive to air-flow that vortex is formed in air channel, and then improve the heating effect of baking box.

The inner surface of the upper side wall of hot blast motor cover 20 is against on the second die mould 12 of the top of the first die mould 11, hot blast The inner surface of the lower wall of motor cover 20 is against on the second die mould 12 of the lower section of the first die mould 11.

Specifically, after hot blast motor cover 20 is completed with cavity 10, periphery edge and the cavity 10 of hot blast motor cover 20 The front side surface of rear wall is connected, and hot blast motor cover 20 upper edge be provided at the first die mould 11 top the second die mould 12 On, the lower edge of hot blast motor cover 20 is provided on the second die mould 12 of the lower section of the first die mould 11, hot blast motor cover 20 Left margin is provided on second die mould 12 in the left side of the first die mould 11, and the right edge of hot blast motor cover 20 is provided at the first pressure On second die mould 12 on the right side of type 11.

Additionally, be formed with axis hole 1121 on the rear wall of the first die mould 11, and state and be formed with backward on the rear wall of the first die mould 11 3rd die mould 111 of depression, the 3rd die mould 111 is spaced apart with axis hole 1121, and the 3rd die mould 111 includes one or around axis hole 1121 multiples for setting.

Reference picture 8, axis hole 1121 is provided with the middle part of the region where the first die mould 11, and in the region of the first die mould 11 It is additionally provided with the 3rd die mould 111 inwardly (as shown in 8 backward) being recessed relative to the bottom wall of the first die mould 11 so that cavity Convex portion is formed on the outer surface of 10 rear wall, the 3rd die mould 111 is arranged spaced apart with axis hole 1121.

Alternatively, the quantity of the 3rd die mould 111 can be one or more, multiple if the 3rd die mould 111 includes multiple 3rd die mould 111 opens arrangement along the circumferentially-spaced of axis hole 1121, it is ensured that cavity 10 it is attractive in appearance.

The centre position of the rear wall of the first die mould 11 is formed with the 4th forwardly convex die mould 112, and axis hole 1121 is formed On the 4th die mould 112.That is the 4th die mould 112 forms the convex portion of the bottom wall for protruding from the 3rd die mould 111 in the cavity 10, and Cavity 10 forms outward the recess caved inward relative to the outer surface of cavity 10, and the 3rd die mould 111 is spaced apart cloth with the 4th die mould 112 Put, if the 3rd die mould 111 includes multiple, multiple 3rd die moulds 111 are uniform and arranged spaced apart along the circumference of the 4th die mould 112, Axis hole 1121 is located at the middle part of the 4th die mould 112.

According to one embodiment of the present utility model, the 3rd die mould 111 be on direction from front to back radial dimension by Decrescence small circular channel-shaped, and the 4th die mould 112 is in the truncated conical shape being gradually reduced from income size on the direction of rear Wang Qiang.

Reference picture 10, the bottom wall of the second die mould 12 is recessed and form circle with the inner side of cavity 10 backward relative to plane where it Shape recess, while forming circular protrusions in the outside of cavity 10, circular protrusions are in its short transverse (front and back as shown in Figure 10 To) on, from top to bottom (as shown in Figure 10 from rear to preceding) radial dimension gradually increase, accordingly, circular depressions are in its depth On direction (fore-and-aft direction as shown in Figure 10), radial dimension is gradually reduced from front to back.

Further, the bottom wall of the second die mould 12 relative to plane where it outwards (as shown in Figure 8 forward) protrusion with Circular protrusions are formed in the inner side of cavity 10, while form circular depressions in the outside of cavity 10, circular protrusions in its short transverse (such as Fore-and-aft direction shown in Figure 10) on, from top to bottom (as shown in Figure 10 from front to back) radial dimension gradually increase, accordingly, Circular depressions are on its depth direction (fore-and-aft direction as shown in Figure 10), radial dimension gradually increases from front to back.

Advantageously, the projection of fan and air inlet 211 along the normal of the rear wall of cavity 10 on the rear wall of cavity 10 is located at first The inner side of die mould 11, and air outlet 212 is located at the along the normal of the rear wall of cavity 10 at least a portion of the projection of the rear wall of cavity 10 The inner side of two die moulds 12.

Specifically, hot blast motor cover 20 is located at the front side of the rear wall of cavity 10 to limit exhaust passage, and wind is provided with air channel Fan, in the region where the forward projection of the rear wall of cavity 10 is located at the first die mould 11, the middle part of hot blast motor cover 20 sets fan There is air inlet 211 and air inlet 211 is in the region where the forward projection of the rear wall of cavity 10 also is located at the first die mould 11, hot blast The position of the neighbouring outer edge of motor cover 20 is provided with air outlet 212, and air outlet 212 the rear wall of cavity 10 forward projection extremely A few part is positioned at the inner side of the second die mould 12.

The rear wall of reference picture 5 and Fig. 9, hot blast motor cover 20 and cavity 10 is respectively formed the rectangular slab for vertically extending Part, the middle part of hot blast motor cover 20 is provided with multiple through holes 2111 (2121) to form air inlet 211, four of hot blast motor cover 20 Corner is provided with multiple through holes 2111 (2121) to form four groups of air outlets 212, accordingly, is provided with the middle part of the rear wall of cavity 10 One die mould 11, and the top of the first die mould 11, lower section, left side and right side are respectively equipped with the second die mould 12, air inlet 211 and four Group air outlet 212 is located at four interior zones of the composition of the second die mould 12 at least a portion of the orthographic projection of the rear wall of cavity 10 It is interior.

Additionally, being formed with the first screw hole in hot blast motor cover 20, it is formed with the rear wall of cavity 10 and the first screw hole The rear wall of corresponding second screw hole, hot blast motor cover 20 and cavity 10 is by the spiral shell through the first screw hole and the second screw hole Nail links together.

Specifically, hot blast motor cover 20 and cavity 10 be in assembling, first by hot blast motor cover 20 and by lug 24 with The matching relationship location and installation of mating holes 102 realizes the pre-determined bit of hot blast motor cover 20 on the rear wall of cavity 10, then leads to again The rear wall of mode connects for screw hot blast motor cover 20 and cavity 10 is crossed, so as to realize being fixedly connected for hot blast motor cover 20 and cavity 10, Ensure the connection reliability of hot blast motor cover 20 and cavity 10, reduce the assembling difficulty of hot blast motor cover 20 and cavity 10, carry Packaging efficiency of the hot blast motor cover 20 with cavity 10 high.

Wherein, according to one embodiment of the present utility model, hot blast motor cover 20 includes antetheca 21, perisporium 22 and flange 23.Specifically, the preceding week of perisporium 22 along the week with antetheca 21 along being connected, and perisporium 22 in the week along perisporium 22 along extension ring Shape, perisporium 22 cooperatively forms cavity 201 unlimited below with antetheca 21, and perisporium 22 is in from front to back and outward-dipping 15 ° to 45 ° The shape that extends of direction, Later Zhou Dynasty, one of the Five Dynasties of flange 23 and perisporium 22 is along being connected and towards the outside extension of perisporium 22, and flange 23 be in Along the Later Zhou Dynasty, one of the Five Dynasties of perisporium 22 along the annular for extending, the upper edge of flange 23 forms jagged 222, and lug 24 is connected in breach 222 Bottom surface on.

That is, the hot blast motor cover 20 is mainly made up of antetheca 21, perisporium 22 and flange 23, wherein, hot blast motor The antetheca 21 of cover 20 is formed and is arranged in perpendicular (plane that above-below direction as shown in Figure 1 and left and right directions are formed), heat The perisporium 22 of wind-powered electricity generation hood 20 forms the annular of the circumferentially extending along antetheca 21, and hot blast motor cover 20 perisporium 22 be located at it is preceding The rear of wall 21, the side (front side as shown in Figure 3) of the perisporium 22 of hot blast motor cover 20 and the antetheca 21 of hot blast motor cover 20 Periphery along be connected, the perisporium 22 of hot blast motor cover 20 extends (as shown in Figure 7 relative to horizontal direction to be formed from front to back Fore-and-aft direction) the annular plate that is obliquely installed, the angle between the contour line and horizontal direction of the perisporium 22 of hot blast motor cover 20 It is 15 ° -45 °, so that the rear side of hot blast motor cover 20 forms opening, wherein, the inclination angle of the perisporium 22 of hot blast motor cover 20 can be with It is 15 °, 30 ° or 45 °, convenient shaping.

Further, flange 23 forms the annular of the circumferentially extending along the perisporium 22 of hot blast motor cover 20, flange 23 it is interior Circle is connected with the side (rear side as shown in Figure 9) away from antetheca 21 of the perisporium 22 of hot blast motor cover 20, and flange 23 is provided with Outer ring contour line relative to flange 23, the breach 222 for caving inward, one end of lug 24 is located at the flange of hot blast motor cover 20 23 are connected and in breach 222, processing, easy to manufacture, convenient formation.

Advantageously, flange 23 is fitted with the inner surface of the rear wall of cavity 10.In other words, the plane where flange 23 and cavity 10 Rear wall where plane it is parallel, after hot blast motor cover 20 and cavity 10 are completed, flange 23 away from hot blast motor cover 20 Antetheca 21 side (rear surface as shown in Figure 6) and cavity 10 rear wall inner side (leading flank as shown in Figure 8) closely Laminating, can both ensure the connection reliability of the two, and the sealing between hot blast motor cover 20 and cavity 10 can be ensured again, So as to ensure the heating effect of baking box, the performance of baking box is set more to stablize.

Other compositions of baking box according to the utility model embodiment and operation are for those of ordinary skill in the art Speech is all known, is not detailed herein.

In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " suitable The orientation or position relationship of the instruction such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " are based on orientation shown in the drawings Or position relationship, be for only for ease of description the utility model and simplify and describe, rather than indicate or imply signified device or Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model System.

Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include at least one this feature.In description of the present utility model, " multiple " is meant that at least two, such as two It is individual, three etc., unless otherwise expressly limited specifically.

In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally；Can be Mechanically connect, or electrically connect or can communicate each other；Can be joined directly together, it is also possible to by the indirect phase of intermediary Even, can be two element internals connection or two interaction relationships of element, unless otherwise clearly restriction.For this For the those of ordinary skill in field, concrete meaning of the above-mentioned term in the utility model can be as the case may be understood.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term State and be necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can be with Combined in an appropriate manner in any one or more embodiments or example.Additionally, in the case of not conflicting, this area Technical staff the feature of the different embodiments or example described in this specification and different embodiment or example can be entered Row is combined and combined.

Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in scope of the present utility model It is interior above-described embodiment to be changed, changed, replaced and modification.

Claims (10)

1. a kind of hot blast motor cover for household electrical appliance, the hot blast motor cover is provided with air inlet and air outlet, its feature It is that the hot blast motor cover includes：

Antetheca；

Perisporium, the preceding week of the perisporium, and the perisporium prolonged in the week edge along the perisporium along the week with the antetheca along being connected The annular stretched, the perisporium cooperatively forms cavity unlimited below with the antetheca, and the perisporium is in from front to back and leans outward The shape that oblique 15 ° to 45 ° of direction extends；

Flange, Later Zhou Dynasty, one of the Five Dynasties of the flange and the perisporium is along being connected and extend towards the outside of the perisporium, and the flange is in Along the Later Zhou Dynasty, one of the Five Dynasties of the perisporium along the annular for extending.

2. the hot blast motor cover for household electrical appliance according to claim 1, it is characterised in that the flange is provided with edge Around the spaced apart multiple screw connecting holes in direction of the motor cover.

3. the hot blast motor cover for household electrical appliance according to claim 2, it is characterised in that the hot blast motor cover Slot to make way, the slot to make way part for accommodating screw head relative with the screw connecting hole are formed with perisporium.

4. the hot blast motor cover for household electrical appliance according to claim 3, it is characterised in that institute is located in the flange The width for stating the part on perisporium left side and right side is more than the width that the flange is located at the part of described perisporium the upper side and lower side, and The part that motor cover left side and right side are located in the flange has been respectively formed on the screw connecting hole.

5. the hot blast motor cover for household electrical appliance according to claim 1, it is characterised in that the hot blast motor cover Depression forms breach downwards for the middle part of roof, breach hot blast motor cover described in insertion along the longitudinal direction.

6. the hot blast motor cover for household electrical appliance according to claim 1, it is characterised in that the air inlet is formed in The centre position of the antetheca of the hot blast motor cover, and the upper left side of the air inlet, lower left, upper right side and lower right are equal The air outlet is provided with, preset distance is spaced apart between the air outlet and the air inlet.

7. the hot blast motor cover for household electrical appliance according to claim 6, it is characterised in that the hot blast motor cover Concave shape circularizes groove to a part for antetheca backward, and the annular groove is set around the air inlet, and the air inlet is located at institute The inner side and the air outlet of stating annular groove are located at the outside of the annular groove.

8. the hot blast motor cover for household electrical appliance according to claim 1, it is characterised in that the surface of the perisporium with Angle between the normal of the antetheca is in the range of 25 ° to 35 °.

9. the hot blast motor cover for household electrical appliance according to any one of claim 1-8, it is characterised in that the heat Wind-powered electricity generation hood is integrated the sheet metal component being stamped and formed out.

10. a kind of baking box, it is characterised in that including：

Cavity；

Hot blast motor cover, the hot blast motor is located on the preceding surface of the cavity rear wall, according to the hot blast motor cover Hot blast motor cover any one of claim 1-9, is closed behind the hot blast motor cover by the cavity rear wall, and The flange is abutted on the rear surface in the cavity, and the hot blast motor cover coordinates restriction air-out with the cavity rear wall Road；

Fan, the fan is located in the air channel and relative with before and after the air inlet of the hot blast motor cover.