CN208547180U - A kind of internal-circulation type heated-air circulation oven - Google Patents

Abstract

The utility model discloses a kind of internal-circulation type heated-air circulation ovens, it is related to circulating technology field, including inner housing, inner housing is internally provided with cavity, outer housing is provided on the outside of inner housing, multiple connecting columns are provided between inner housing and outer housing, one end of connecting column is fixedly connected with inner housing, the other end of connecting column is fixedly connected with outer housing, the side lower end of outer housing is provided with vacuum machine, one end of vacuum machine is fixedly connected with outer housing, and vacuum layer is offered between inner housing and outer housing.The internal-circulation type heated-air circulation oven; the internal-circulation type heated-air circulation oven offers vacuum layer; it being capable of better protective separation heat; guarantee that internal-circulation type heated-air circulation oven sets interior heat; it will not be because being lost caused by overlong time; it is fixedly connected with electric network in the two sides of the inside of inner housing, ensure that heat is temperature-resistant in circulation, increase the service life of the internal-circulation type heated-air circulation oven.

Description

A kind of internal-circulation type heated-air circulation oven

Technical field

The utility model relates to baking oven technical field, specially a kind of internal-circulation type heated-air circulation oven.

Background technique

Baking oven shell generally uses sheet metal to make, surface baking vanish, and operating room is made of good structural steel and iron.Shell Alumina silicate fibre is filled between inner cavity.Heater installs bottom, can also dispose top or two sides.Temperature control instrument uses number Aobvious intelligent meter, PID are adjusted: 999.99 hours time controllers of configuration are simultaneously connected with warning device.Keep the operation of baking oven simpler Just, fast and effectively.

A kind of internal-circulation type hot wind disclosed in Chinese utility model patent ublic specification of application CN206891046U Recycle baking oven, a kind of internal-circulation type heated-air circulation oven, although can efficiently use after air cooking medicinal material there are still more than Heat, so that the Hot-blast Heating efficiency at heating net increases, without being reheated by device external into cold wind, structure on the whole Simply, the easy to use and thermal efficiency is higher.

Currently, a kind of existing internal-circulation type heated-air circulation oven thermal insulation effect is not satisfactory, cannot replace in baking oven Gas, circulation of the gas in baking oven is also inconvenient, and a large amount of heat losses are had in cyclic process, also can when opening baking oven There are heat losses, be also inconvenient to move, place cannot be changed anywhere or anytime, bring inconvenience to using, being unfavorable for promoting makes With.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of internal-circulation type heated-air circulation oven, solves this A kind of loss of internal-circulation type heated-air circulation oven heat and be inconvenient to move that bring is inconvenient, is unfavorable for asking for popularization and use Topic.

(2) technical solution

In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of internal-circulation type hot wind follows Ring baking oven, including inner housing, the inner housing are internally provided with cavity, outer housing, institute are provided on the outside of the inner housing It states and is provided with multiple connecting columns between inner housing and outer housing, one end of the connecting column is fixedly connected with inner housing, the company The other end for connecing column is fixedly connected with outer housing, and the side lower end of the outer housing is provided with vacuum machine, and the one of the vacuum machine End is fixedly connected with outer housing, offers vacuum layer between the inner housing and outer housing；

The top middle portion of the cavity offers ventilation mouth, and the inside seamless connection of the ventilation mouth has filter, described The two sides inner surface of inner housing offers multiple fever slots, and the inside of the fever slot is fixedly connected with electric network, described interior Two sides one end outer surface of shell offers mounting groove, and two mounting grooves are in diagonally to open up, the inside of the mounting groove It is provided with heating block, one end of the heating block is fixedly connected with mounting groove, and the other end of the heating block is provided with electrothermal tube, One end of the electrothermal tube is fixedly connected with heating block, and the other end of the electrothermal tube runs through the cell wall of mounting groove and is located at inner casing The inside of body, inner housing both ends side are provided with fixed column, and the fixed column is diagonally positioned, and the one of the fixed column End is fixedly connected with inner housing, and the other end of the fixed column is connected with air blower；

The inside of the cavity is fixedly connected with circulation plates, and the two sides of the circulation plates offer multiple circulation ports, institute The inside for stating circulation plates is fixedly connected with screen frame plate, and the inside of the screen frame plate has been fitted and connected framework, the two sides of the framework It is provided with pin shaft, one end of the pin shaft has framework to be fixedly connected, and the other end of the pin shaft is provided with gear, the pin shaft Positioned at the inside of gear, the pin shaft is flexibly connected with gear, and multiple L shape columns, the L shape are provided on the inside of the screen frame plate One end of column is fixedly connected with screen frame plate, and the other end of the L shape column is flexibly connected with one end of framework, on the inside of the L shape column It is connect with the appearance face gear of gear.

Preferably, the side of the circulation plates offers opening, and the opening of the circulation plates is fixedly connected with door-plate, The door-plate and outer housing are tightly connected.

Preferably, the side of the screen frame plate is fixedly connected with door-plate, and one end of the framework through door-plate and is located at door One end middle part in the outside of plate, the framework is provided with framework handle.

Preferably, the air blower includes body, idler wheel and flabellum, and the inside of the body is fixedly connected with idler wheel, institute The edge nut for stating idler wheel is connected with multiple flabellums, multiple flabellum circular array distributions.

Preferably, the filter includes fixing pad, particulate matter filter layer, chemical filtering layer and fibrous filter layer, described Fixed pad, particulate matter filter layer, chemical filtering layer and fibrous filter layer are from top to bottom set gradually.

Preferably, the bottom of the outer housing is provided with multiple wheel carriers, and top and the outer housing of the wheel carrier are fixed Connection, the wheel carrier center bottom offer race, and the race is internally provided with wheel, and the inside wheel activity connects It is connected to pin shaft, the two sides of the wheel pass through pin shaft and are fixedly connected with race.

(3) beneficial effect

The utility model provides a kind of internal-circulation type heated-air circulation oven, have it is following the utility model has the advantages that

(1), on the one hand, which offers vacuum layer, can better protective separation heat, Guarantee that internal-circulation type heated-air circulation oven sets interior heat, it will not be because being lost caused by overlong time, in the inside of inner housing Two sides be fixedly connected with electric network, ensure that heat circulation when it is temperature-resistant, increase the internal-circulation type hot air circulation The service life of baking oven.

(2), on the other hand, which offers ventilation mouth, it is ensured that internal-circulation type heat The gas that wind recycles baking oven is pure and fresh always, also ensures the circulation of inner air, and filter can filter particle in gas, miscellaneous Matter and peculiar smell guarantee the cleaning of gas, will not the gas of inner loop formula heated-air circulation oven impact, wheel can be convenient The movement of internal-circulation type heated-air circulation oven not be confined to fixed place.

Detailed description of the invention

Fig. 1 is the utility model schematic cross-sectional view；

Fig. 2 is the structural schematic diagram of the utility model main view；

Fig. 3 is the utility model gear structure schematic diagram；

Fig. 4 is the utility model frame structure schematic diagram；

Fig. 5 is the utility model blower fan structure schematic diagram；

Fig. 6 is the utility model filter structure schematic representation；

Fig. 7 is the utility model heating block enlarged structure schematic diagram.

In figure: inner housing 1, outer housing 3, connecting column 4, vacuum machine 5, vacuum layer 6, ventilation mouth 7, filter 8, is consolidated cavity 2 Determine pad 801, particulate matter filter layer 802, chemical filtering layer 803, fibrous filter layer 804, fever slot 9, electric network 10, mounting groove 11, heating block 12, electrothermal tube 13, fixed column 14, air blower 15, body 1501, idler wheel 1502, flabellum 1503, circulation plates 16, follow Collar extension 17, screen frame plate 18, framework 19, pin shaft 20, gear 21, L shape column 22, wheel carrier 23, wheel 24.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

In the description of the present invention, it should be understood that term "top", "bottom" "inner", "outside", etc. instructions orientation Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification is retouched It states, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In the present invention unless specifically defined or limited otherwise, term " setting ", " connected ", " connects " installation " Connect ", the terms such as " fixation " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection；It can be machine Tool connection；It can be directly connected, it can also be indirectly connected through an intermediary.For those of ordinary skill in the art and Speech, can understand the concrete meaning of above-mentioned term in the present invention as the case may be.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.

Fig. 1-7 is please referred to, the utility model provides a kind of technical solution: a kind of internal-circulation type heated-air circulation oven, including Inner housing 1, inner housing 1 are internally provided with cavity 2, and the outside of inner housing 1 is provided with outer housing 3, inner housing 1 and outer housing 3 Between be provided with multiple connecting columns 4, one end of connecting column 4 is fixedly connected with inner housing 1, the other end of connecting column 4 and outer housing 3 It is fixedly connected, the side lower end of outer housing 3 is provided with vacuum machine 5, it is ensured that the vacuum degree of vacuum layer 6, one end of vacuum machine 5 It is fixedly connected with outer housing 3, vacuum layer 6 is offered between inner housing 1 and outer housing 3, vacuum layer 5 being capable of better protective separation Heat guarantees that internal-circulation type heated-air circulation oven sets interior heat, will not be because being lost caused by overlong time；

The top middle portion of cavity 2 offers ventilation mouth 7, and the inside seamless connection of ventilation mouth 7 has filter 8, and ventilation mouth 7 can Gas to guarantee the internal-circulation type heated-air circulation oven is pure and fresh always, also ensures the circulation of inner air, and filter 8 can be with Filter particle, impurity and the peculiar smell in gas, guarantee the cleaning of gas, will not the gas of inner loop formula heated-air circulation oven make At influence, the two sides inner surface of inner housing 1 offers multiple fever slots 9, and the inside of fever slot 9 is fixedly connected with electric network 10, it is fixedly connected with electric network 10 in the two sides of the inside of inner housing 1, ensure that heat is temperature-resistant in circulation, increase The service life of the internal-circulation type heated-air circulation oven, two sides one end outer surface of inner housing 1 offer mounting groove 11, and two For a mounting groove 11 in diagonally opening up, mounting groove 11 is internally provided with heating block 12, increases the heat of cavity 2, heating block 12 One end be fixedly connected with mounting groove 11, the other end of heating block 12 is provided with electrothermal tube 13, can transmit heating block 12 and distribute One end of heat out, electrothermal tube 13 is fixedly connected with heating block 12, and the other end of electrothermal tube 13 runs through the cell wall of mounting groove 11 And it is located at the inside of inner housing 1, increase internal-circulation type hot wind and follow the temperature dried in ring case, 1 both ends side of inner housing is provided with Fixed column 14, fixed column 14 is diagonally positioned, and one end of fixed column 14 is fixedly connected with inner housing 1, the other end of fixed column 14 It is connected with air blower 15；

The inside of cavity 2 is fixedly connected with circulation plates 16, and the two sides of circulation plates 16 offer multiple circulation ports 17, circulation The inside of plate 16 is fixedly connected with screen frame plate 18, and the inside of screen frame plate 18 has been fitted and connected framework 19, and the two sides of framework 19 are all provided with It is equipped with pin shaft 20, one end of pin shaft 20 has framework 19 to be fixedly connected, and the other end of pin shaft 20 is provided with gear 21, and pin shaft 20 is located at The inside of gear 21, pin shaft 20 are flexibly connected with gear 21, increase 21 rotating effect of gear, and the inside of screen frame plate 18 is provided with Multiple L shape columns 22, one end of L shape column 22 are fixedly connected with screen frame plate 18, the other end of L shape column 22 and one end activity of framework 19 Connection, 22 inside of L shape column are connect with the appearance face gear of gear 21, increase the mobile convenient function of framework 19.

A kind of optimal technical scheme as the utility model: the side of circulation plates 16 offers opening, circulation plates 16 Opening be fixedly connected with door-plate, door-plate and outer housing 3 are tightly connected, and are reduced because knocking at the door and are opened the stream of heat caused by plate It loses, also saves the time.

A kind of optimal technical scheme as the utility model: the side of screen frame plate 18 is fixedly connected with door-plate, framework 19 One end through door-plate and be located at the outside of door-plate, be provided with framework handle in the middle part of one end of framework 19, facilitate framework 19 It uses.

A kind of optimal technical scheme as the utility model: air blower 15 includes body 1501, idler wheel 1502 and flabellum 1503, the inside of body 1501 is fixedly connected with idler wheel 1502, and the edge nut of idler wheel 1502 is connected with multiple flabellums 1503, Multiple 1503 circular array of flabellum distributions, two air blowers 15 ensure that heat following in interior circulation-type hot-air circulation baking oven Ring.

A kind of optimal technical scheme as the utility model: filter 8 includes fixed pad 801, particulate matter filter layer 802, chemical filtering layer 803 and fibrous filter layer 804, fixed pad 801, particulate matter filter layer 802, chemical filtering layer 803 and fibre Dimensional filter layer 804 is from top to bottom set gradually, and fixed pad 801 can guarantee the fixation of filter 8, and particulate matter filter layer 802 can With the particle crossed in air filtering, chemical filtering layer 803 can cross the chemical substance in air filtering, fibrous filter layer 804, can be with Guarantee the pure and fresh of air.

A kind of optimal technical scheme as the utility model: the bottom of outer housing 3 is provided with multiple wheel carriers 23, wheel The top of frame 23 is fixedly connected with outer housing 3, and 23 center bottom of wheel carrier offers race, and race is internally provided with wheel 24,24 internal activity of wheel is connected with pin shaft 20, and the two sides of wheel 24 pass through pin shaft 20 and are fixedly connected with race, passes through wheel 24 rotation can be convenient the movement of internal-circulation type heated-air circulation oven, not be confined to fixed place.

The electric elements occurred in this article are electrically connected with extraneous main controller and 220V alternating current, and main controller can be meter Calculation machine etc. plays the conventionally known equipment of control.

In conclusion the internal-circulation type heated-air circulation oven, in use, opening heating block 12, heating block 12 can issue heat Amount, heat can by electrothermal tube 13 heat transfer to internal-circulation type heated-air circulation oven, internal-circulation type heated-air circulation oven Heat in cavity 2 will increase, and open air blower 15, and air blower 15 will make the recycle heat in cavity 1, the air blast of two sides Machine 15 ensure that the effect of recycle heat, and heat will enter the circulation port 17 that 16 two sides of circulation plates open up, and heat is from side Circulation port 17 enters the inside of circulation plates 16, then flows out from the circulation port 17 of the other side, then by air blower 15 from circulation port 17 It is blown into the inside of circulation plates 16, heat is ceaselessly flowed in circulation plates 16, the heat inside guarantee circulation plates 16, and 1 liang of inner housing The electric network 10 of side also will increase the heat inside cavity 2, ensure that the stabilization of 2 internal heat of cavity, and vacuum machine 5 is opened, The vacuum degree for guaranteeing vacuum layer 6, reduces the loss of 2 internal heat of cavity, ensure that the preheating time inside when next time uses Reduction, save the time, ventilation mouth 7 can replace the gas inside cavity 2, increase the circulation of 2 internal heat of cavity, together When also ensure that the pure and fresh of air, filter 8 reduce the impurity in air the quantity of bacterium in cavity 2, ensure that cavity 2 safety, L shape column 22 can increase the stabilization of framework 19, reduce the shaking on the move of framework 19, ensure that the flat of framework 19 Weighing apparatus, screen frame plate 18 can protect the article placed in framework 19, and gear 21 and screen frame plate 18 facilitate the movement of framework 19.

It should be noted that in the present invention unless specifically defined or limited otherwise, fisrt feature is in the second spy It can be that the first and second features directly contact or the first and second features are connect indirectly by intermediary "above" or "below" sign Touching.Moreover, fisrt feature can be above the second feature " above ", " above " and " above " fisrt feature right above second feature or Oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature second feature " under ", " lower section " " following " can be fisrt feature and be directly under or diagonally below the second feature, or is merely representative of first feature horizontal height and is less than Second feature.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (6)

1. a kind of internal-circulation type heated-air circulation oven, including inner housing (1), it is characterised in that: the inside of the inner housing (1) is set It is equipped with cavity (2), is provided with outer housing (3) on the outside of the inner housing (1), set between the inner housing (1) and outer housing (3) Be equipped with multiple connecting columns (4), one end of the connecting column (4) is fixedly connected with inner housing (1), the connecting column (4) it is another End is fixedly connected with outer housing (3), and the side lower end of the outer housing (3) is provided with vacuum machine (5), the vacuum machine (5) One end is fixedly connected with outer housing (3), offers vacuum layer (6) between the inner housing (1) and outer housing (3)；

The top middle portion of the cavity (2) offers ventilation mouth (7), and the inside seamless connection of ventilation mouth (7) has filter (8), the two sides inner surface of the inner housing (1) offers multiple fever slots (9), and the inside of fever slot (9) is fixed to be connected It is connected to electric network (10), two sides one end outer surface of the inner housing (1) offers mounting groove (11), two mounting grooves (11) in diagonally opening up, the mounting groove (11) is internally provided with heating block (12), one end of the heating block (12) and peace Tankage (11) is fixedly connected, and the other end of the heating block (12) is provided with electrothermal tube (13), one end of the electrothermal tube (13) It is fixedly connected with heating block (12), the other end of the electrothermal tube (13) runs through the cell wall of mounting groove (11) and is located at inner housing (1) inside, inner housing (1) the both ends side are provided with fixed column (14), and the fixed column (14) is diagonally positioned, institute The one end for stating fixed column (14) is fixedly connected with inner housing (1), and the other end of the fixed column (14) is connected with air blower (15)；

The inside of the cavity (2) is fixedly connected with circulation plates (16), and the two sides of the circulation plates (16) offer multiple follow The inside of collar extension (17), the circulation plates (16) is fixedly connected with screen frame plate (18), and the inside of the screen frame plate (18), which is bonded, to be connected It is connected to framework (19), the two sides of the framework (19) are provided with pin shaft (20), and one end of the pin shaft (20) has framework (19) It is fixedly connected, the other end of the pin shaft (20) is provided with gear (21), and the pin shaft (20) is located at the inside of gear (21), institute It states pin shaft (20) to be flexibly connected with gear (21), multiple L shape columns (22), the L shape is provided on the inside of the screen frame plate (18) One end of column (22) is fixedly connected with screen frame plate (18), and the other end of the L shape column (22) and one end activity of framework (19) connect It connects, is connect on the inside of the L shape column (22) with the appearance face gear of gear (21).

2. a kind of internal-circulation type heated-air circulation oven according to claim 1, it is characterised in that: the circulation plates (16) Side offers opening, and the opening of the circulation plates (16) is fixedly connected with door-plate, and the door-plate and outer housing (3) seal Connection.

3. a kind of internal-circulation type heated-air circulation oven according to claim 1, it is characterised in that: the screen frame plate (18) Side is fixedly connected with door-plate, and one end of the framework (19) runs through door-plate and is located at the outside of door-plate, the framework (19) Framework handle is provided in the middle part of one end.

4. a kind of internal-circulation type heated-air circulation oven according to claim 1, it is characterised in that: air blower (15) packet Body (1501), idler wheel (1502) and flabellum (1503) are included, the inside of the body (1501) is fixedly connected with idler wheel (1502), The edge nut of the idler wheel (1502) is connected with multiple flabellums (1503), multiple flabellum (1503) circular array distributions.

5. a kind of internal-circulation type heated-air circulation oven according to claim 1, it is characterised in that: filter (8) packet Include fixed pad (801), particulate matter filter layer (802), chemical filtering layer (803) and fibrous filter layer (804), the fixed pad (801), particulate matter filter layer (802), chemical filtering layer (803) and fibrous filter layer (804) are from top to bottom set gradually.

6. a kind of internal-circulation type heated-air circulation oven according to claim 1, it is characterised in that: the outer housing (3) Bottom is provided with multiple wheel carriers (23), and the top of the wheel carrier (23) is fixedly connected with outer housing (3), the wheel carrier (23) center bottom offers race, and the race is internally provided with wheel (24), wheel (24) the internal activity connection Have pin shaft (20), the two sides of the wheel (24) pass through pin shaft (20) and are fixedly connected with race.