CN215077741U

CN215077741U - Heat-insulation base and oven

Info

Publication number: CN215077741U
Application number: CN202121012617.7U
Authority: CN
Inventors: 马克·柯雷顿; 张宗海; 潘孔超
Original assignee: Zhuhai Shengshi Xide Electronic Technology Co ltd
Current assignee: Zhuhai Shengshi Xide Electronic Technology Co ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2021-12-10
Anticipated expiration: 2031-05-12

Abstract

The utility model provides a heat insulation base and an oven, wherein the base comprises a bottom plate, a fixing frame, a flame tube, a circular ring, a first base heat insulation layer, a second base heat insulation layer and a heat conduction plate; the flame tube is arranged at two ends of the flame tube and is respectively connected with the bottom plate and the fixing frame, the flame tube is respectively communicated with the lower side of the bottom plate and the upper side of the fixing frame, the flame tube is arranged at the outer side of the flame tube in a sleeved mode and is positioned between the bottom plate and the fixing frame, an installation cavity is formed between the circular ring and the bottom plate, and the first base heat insulation layer is filled between the circular ring and the fixing frame; the second base heat-insulating layer is arranged on the bottom plate and is positioned on one side of the fixing frame, the fixing frame is provided with a heat-conducting plate mounting part, and the heat-conducting plate is arranged on the heat-conducting plate mounting part and the second base heat-insulating layer; the bottom plate is provided with a plurality of sliding connecting holes, the plurality of sliding connecting holes are arranged in the circumferential direction of the flame tube, and the sliding connecting holes are communicated with the mounting cavity; the oven includes the above-mentioned base. The utility model discloses have thermal-insulated heat preservation function, the convenience can be dismantled with the combustor and be connected.

Description

Heat-insulation base and oven

Technical Field

The utility model relates to an outdoor oven field specifically is to a thermal-insulated heat retaining base and oven.

Background

The oven is a device for baking and cooking food by forming hot air, and the traditional oven uses wood and coal for combustion and heating, and is suitable for being applied to outdoor ovens. The existing outdoor oven is divided into an open type and an openable type, the heat of the open type oven is easily dissipated to the outdoor environment, and the shortcoming of serious heat loss is overcome. Openable oven generally is provided with the upper cover that can rotate to open and shut, and upper cover self forms the furnace body of oven, puts into the oven with food after, and the lid closes the upper cover and can toast, prevents calorific loss. However, the upper cover of the openable oven is generally of a single-layer structure, which not only has poor structural strength, but also does not have the heat insulation function, so that the baking efficiency of the oven is not ideal. In addition, although the cover-closed baking can effectively prevent heat loss, when food needs to be taken out, the heat in the oven is immediately dissipated to the periphery in a large range at the moment of opening the upper cover, so that not only can a large amount of heat be lost, but also people attached to the oven are easily scalded. Particularly, in the cover closing and baking process, the upper cover is easily heated by an oven, and in the cover opening and closing process, people who directly contact with the upper cover are easily scalded. In addition, the existing outdoor oven is directly provided with a cavity for placing fuel on the base, the fuel burns in the cavity, a grill is erected above the cavity, food is placed on the grill, the cavity is of a single-layer structure, and the outdoor oven does not have the functions of heat insulation and heat preservation. When fuel needs to be added, the grill is taken away firstly, the fuel is put into the cavity, and then the grill is put back above the cavity, so that the disadvantage of inconvenience in adding the fuel is caused.

SUMMERY OF THE UTILITY MODEL

The first purpose of the utility model is to provide a base that has thermal-insulated heat preservation function, convenience and combustor can dismantle and be connected.

The second purpose of the utility model is to provide an oven that contains above-mentioned base.

In order to achieve the first purpose, the utility model provides a heat insulation base, which comprises a bottom plate, a fixing frame, a flame tube, a circular ring, a first base heat insulation layer, a second base heat insulation layer and a heat conduction plate; the flame tube and the fixing frame are arranged at one end of the bottom plate, two ends of the flame tube are respectively connected with the bottom plate and the fixing frame, the flame tube is respectively communicated with the lower side of the bottom plate and the upper side of the fixing frame, the circular ring is arranged between the bottom plate and the fixing frame, the circular ring is sleeved outside the flame tube, an installation cavity is formed between the circular ring and the bottom plate, the first base heat insulation layer is filled between the circular ring and the fixing frame, and the first base heat insulation layer is positioned outside the flame tube; the second base heat-insulating layer is arranged on the bottom plate and is positioned on one side of the fixing frame, the fixing frame is provided with a heat-conducting plate mounting part, and the heat-conducting plate is arranged on the heat-conducting plate mounting part and the second base heat-insulating layer; a plurality of sliding connection holes are formed in the bottom plate, are arranged in the circumferential direction of the flame tube and are located below the circular ring, and the sliding connection holes are communicated with the installation cavity.

According to the scheme, the first base heat insulation layer and the second base heat insulation layer are arranged, so that the base has a heat insulation function, people are prevented from being scalded accidentally, and heat loss can be reduced; through set up sliding connection hole on the bottom plate, be provided with on the combustor of peripheral hardware with this sliding connection hole complex connecting piece, realize dismantling the connection of combustor and base through inserting and rotatory action.

The further scheme is that, in the vertical direction, the surface of heat-conducting plate installation department is less than the top surface of mount, and the surface of heat-conducting plate installation department is higher than the top surface of second base insulating layer, or the surface of heat-conducting plate installation department and the top surface parallel and level of second base insulating layer.

The further scheme is that the base is also provided with a thermometer, the detection end of the thermometer is arranged between the heat conduction plate and the second base heat insulation layer, and the reading meter of the thermometer is exposed outside the base.

The utility model provides a flame tube's upper portion is worn out upward and the installation department is installed to the last installation department, heat-conducting plate installation department and the lower installation department of having set gradually down of mount, step ladder board, and the upper portion of flame tube upwards wears out the installation department, and a plurality of support bars are located all around the installation department, the both ends of support bar respectively with bottom plate and last installation department fixed connection, lower installation department and bottom plate fixed connection.

The further scheme is that the lower side of the bottom plate is provided with an anti-collision gasket, the anti-collision gasket is located on the outer side of all the sliding connecting holes, and the middle of the anti-collision gasket is communicated with the flame tube.

The base further comprises a plurality of supporting legs, the supporting legs are hinged to the bottom surface of the bottom plate, and the supporting legs are foldable supporting legs.

In order to realize foretell second purpose, the utility model provides a pair of oven, including protecgulum, furnace body and as above-mentioned base, the furnace body setting has furnace between furnace body and the base on the base, and the protecgulum is connected at the front end of furnace body and base, and the protecgulum is opened and is equipped with food and imports and exports, and food imports and exports and furnace intercommunication.

Drawings

Fig. 1 is a block diagram of an embodiment of the grill of the present invention.

Fig. 2 is an exploded view of an embodiment of the grill of the present invention.

Fig. 3 is a top view of an embodiment of the present invention.

Fig. 4 is a cross-sectional view at a-a in fig. 3.

Fig. 5 is an enlarged view at B in fig. 4.

Fig. 6 is an enlarged view at C in fig. 4.

Fig. 7 is a cross-sectional view taken at D-D in fig. 3.

Fig. 8 is an enlarged view at E in fig. 7.

Fig. 9 is an exploded view of the oven body in an embodiment of the oven of the present invention.

Fig. 10 is an exploded view of the base of an embodiment of the grill of the present invention.

Fig. 11 is an exploded view of a front cover in an embodiment of the grill of the present invention.

Fig. 12 is a block diagram of a seal holder according to an embodiment of the present invention.

The present invention will be further explained with reference to the drawings and examples.

Detailed Description

Referring to fig. 1 and 2, the oven that this embodiment provided is outdoor portable oven, and this oven can be dismantled with the combustor of peripheral hardware and be connected, is provided with timber or gas furnace end in the combustor for provide the heat source in to the oven.

The oven of this embodiment includes furnace body 1, base 2 and protecgulum 3, and furnace body 1 sets up on base 2 fixedly, and the front end at furnace body 1 and base 2 is connected to protecgulum 3, forms furnace between furnace body 1, base 2 and the protecgulum 3, and food import and export 3112 has been seted up to protecgulum 3 for get and put food, food import and export 3112 and furnace intercommunication, the rear end of furnace body 1 is established to the enclosed construction. Base 2 is provided with three supporting legs 4, and supporting legs 4 articulate the bottom surface at base 2, and each supporting legs 4 is folding supporting legs, can accomodate and fold in the bottom surface of base 2 to save space, conveniently deposit and transport, when needing, can open supporting legs 4, in order to prop up whole oven, make things convenient for the combustor to put into between three supporting legs 4 and detachably connects on base 2.

Referring to fig. 2 to 4, 6 and 10, the base 2 includes a bottom plate 21, a fixing frame 22, a flame tube 23, a ring 24, a first base insulating layer, a second base insulating layer 25 and a heat conductive plate 26. The rear end of the bottom plate 21 is provided with a first flame tube mounting hole and three sliding connection holes 211, the lower part of the flame tube 23 is connected with the first flame tube mounting hole, and the three sliding connection holes 211 are uniformly arranged on the circumference of the first flame tube mounting hole at intervals. The sliding connection hole 211 includes a circular hole section and a locking hole section which are communicated with each other, the locking hole section extends along the circumferential direction of the first flame tube installation hole, and the width of the locking hole section is smaller than the diameter of the circular hole section. The external combustor (not shown in the figure) is provided with a combustion part and three connecting pieces, the combustion part is inserted in the flame tube 23, the connecting pieces are arranged corresponding to the sliding connecting holes 211, the upper part of each connecting piece is provided with a connecting head, and the diameter of each connecting head is smaller than that of the circular hole section and larger than the width of the locking hole section. When the connector is installed, the connector upwards penetrates through the circular hole section, so that the middle part of the connector is positioned in the circular hole section; then the burner is rotated to enable the middle part of the connecting piece to enter the locking hole section from the circular hole section, and the diameter of the connecting piece is larger than the width of the locking hole section, so that the connecting piece cannot be separated from the locking hole section in the vertical direction; when the burner is disassembled, the connecting piece can be separated from the sliding connecting hole 211 only by reversely rotating the burner, so that the detachable connection of the burner and the base 2 is realized.

The downside of bottom plate 21 is provided with crashproof packing ring 29 and the solid fixed ring 291 of packing ring, and crashproof packing ring 29 passes through the solid fixed ring 291 of packing ring to be fixed on the lower surface of bottom plate 21, and crashproof packing ring 29 is located the outside of all sliding connection holes 211, and crashproof packing ring 29 and flame tube 23 are coaxial to be arranged, and the middle part and the flame tube 23 intercommunication of crashproof packing ring 29, when the combustor is connected with base 2, the top of combustor is adjoined with crashproof packing ring 29, plays the effect of buffering, anticollision.

The fixing frame 22 is disposed at the rear end of the bottom plate 21, the fixing frame 22 includes a stepped plate and four supporting bars 224, the stepped plate is sequentially provided with an upper mounting portion 221, a heat-conducting plate mounting portion 222 and a lower mounting portion 223 in a stepped shape from top to bottom, that is, the surface of the heat-conducting plate mounting portion 222 is lower than the surface of the upper mounting portion 221. The upper mounting portion 221 is used to connect with the flame tube 23, the heat-conducting plate mounting portion 222 is used to support the heat-conducting plate 26, and the lower mounting portion 223 is used to fixedly connect with the bottom plate 21. The four supporting bars 224 are located around the upper mounting portion 221, and two ends of the supporting bars 224 are respectively fixedly connected with the bottom plate 21 and the upper mounting portion 221. The upper mounting portion 221 is provided with a second flame tube mounting hole, the upper portion of the flame tube 23 is located in the second flame tube mounting hole, and the upper portion of the flame tube 23 penetrates out of the surface of the upper mounting portion, so that the flame tube 23 is respectively communicated with the lower side of the bottom plate 21 and the upper side of the fixing frame 22. The flame tube 23 is provided with a plurality of heat dissipation holes at the position penetrating out of the upper mounting part, and the heat dissipation holes face the front end of the furnace body 1. The ring 24 is located between the bottom plate 21 and the upper mounting portion 221, the ring 24 is sleeved on the outer side of the flame tube 23, the ring 24 is located right above the three sliding connection holes 211, a mounting cavity 27 is formed between the ring 24 and the bottom plate 21, the sliding connection holes 211 are communicated with the mounting cavity 27, and a connecting piece of the combustor is located in the mounting cavity 27 after penetrating through the sliding connection holes 211. The first base heat insulation layer is filled between the circular ring 24 and the fixing frame 22, and the first base heat insulation layer is positioned outside the flame tube 23.

The second base insulating layer 25 is provided on the bottom plate 21, and the heat-conducting plate 26 is provided on both the heat-conducting plate mounting portion 222 and the second base insulating layer 25. The surface of the heat-conductive-plate mounting portion 222 is slightly higher than the top surface of the second base insulating layer 25 in the vertical direction, or the surface of the heat-conductive-plate mounting portion 222 is flush with the top surface of the second base insulating layer 25, and the former is preferable in the present embodiment. The second base heat-insulating layer 25 is further provided with a thermometer 28 and a temperature detection mounting groove 251, the temperature detection mounting groove 251 is recessed downwards from the top surface of the second base heat-insulating layer 25, a detection end 281 of the thermometer 28 is arranged in the temperature detection mounting groove 251, namely, the detection end 281 of the thermometer 28 is positioned between the heat-conducting plate 26 and the second base heat-insulating layer 25 and is used for detecting the temperature in the furnace body 1, mainly the temperature of the heat-conducting plate 26 in the furnace body 1 is detected, and a reading meter 282 of the thermometer 28 is exposed out of the base 2, so that a user can observe the temperature in the furnace body 1 at any time. In the present embodiment, the heat conductive plate 26 is made of a material having high fire resistance and low thermal expansion coefficient, and the cordierite material is preferable in the present embodiment.

With reference to fig. 3, 7, 8 and 9, the furnace body 1 sequentially includes an inner enclosure 11, a furnace body heat-insulating layer, a middle enclosure 12 and an outer enclosure 13 from inside to outside, and the inner enclosure 11, the middle enclosure 12 and the outer enclosure 13 are all arc-shaped. The inner layer enclosure 11 and the middle layer enclosure 12 are made of stainless steel thin plates with elasticity respectively. The outer enclosure 13 is made of a silicone material.

The inner layer enclosure 11 comprises a front inner enclosure 111 and a rear inner enclosure 112 which are arranged in a front-rear direction, the front inner enclosure 111 is set into an arc shape with through front and rear ends, the front inner enclosure 111 is provided with an inner lower end opening 1111 downwards, the front inner enclosure 111 is provided with an inner front end opening 1112 forwards, and the inner front end opening 1112 and the inner lower end opening 1111 are respectively communicated with the hearth. The left and right sides of preceding interior enclosure 111 all is provided with heat-conducting plate mounting groove 1113 and strengthening groove 1114, and heat-conducting plate mounting groove 1113 is located the top of strengthening groove 1114, and heat-conducting plate mounting groove 1113 and strengthening groove 1114 all extend along the fore-and-aft direction, and heat-conducting plate mounting groove 1113 sets up the notch to the middle part of furnace body 1, and strengthening groove 1114 sets up the notch dorsad to the middle part of furnace body 1, and the notch of heat-conducting plate mounting groove 1113 and the notch of strengthening groove 1114 set up dorsad promptly. The heat-conducting plate mounting grooves 1113 are used for supporting the heat-conducting plates 26 from the left and right sides, and the arrangement of the reinforcing grooves 1114 is used for improving the structural strength of the front inner enclosure 111 itself, so that the heat-conducting plate mounting grooves 1113 can bear a large weight. The rear end of the front inner enclosure 111 is fixedly connected with the front end of the rear inner enclosure 112, the rear end of the rear inner enclosure 112 is provided with a first closed end, and the first closed end is arranged corresponding to the inner front end opening 1112. The outer side of the first closed end is provided with a recess 1121, and the recess 1121 is recessed from the outer side wall of the rear inner enclosure 112 to the inside of the rear inner enclosure 112.

The middle enclosure 12 includes a front middle enclosure 121 and a rear middle enclosure 122 arranged in a front-rear direction, the front middle enclosure 121 is formed in an arc shape with both front and rear ends penetrating, the front middle enclosure 121 is provided with a middle lower end opening 1211 facing downward, the front middle enclosure 121 is provided with a middle front end opening 1212 facing forward, the middle front end opening 1212 is provided corresponding to the inner front end opening 1112, and the middle lower end opening 1211 is provided corresponding to the inner lower end opening 1111. The rear end of the front middle surrounding cover 121 is fixedly connected with the front end of the rear middle surrounding cover 122, the rear end of the rear middle surrounding cover 122 is provided with a second closed end, the second closed end is arranged corresponding to the middle front end opening 1212, namely the second closed end is arranged corresponding to the first closed end.

The furnace body heat-insulating layer comprises a front heat-insulating layer and a rear heat-insulating layer, the front heat-insulating layer is positioned between the front inner enclosure 111 and the front middle enclosure 121, and the rear heat-insulating layer is positioned between the rear inner enclosure 112 and the rear middle enclosure 122. Specifically, the first closed end and the second closed end have a preset cavity 14 therebetween, and the rear heat insulation layer is filled in the preset cavity 14. The recess 1121 is located in the middle of the predetermined cavity 14, so that the width of the middle of the predetermined cavity 14 is greater than the width of the two ends of the predetermined cavity 14, and the thickness of the rear heat insulation layer filled in the recess 1121 is greater than the thickness of the rear heat insulation layer filled outside the recess 1121, i.e. the heat insulation effect at the rear end of the furnace body is better than that at the front end of the furnace body.

The outer enclosure 13 is wrapped around the outside of the front and rear

middle enclosures

121 and 122. The outer enclosure 13 has an outer lower opening 131 facing downward, the outer enclosure 13 has an outer front opening 132 facing forward, the outer lower opening 131 is respectively corresponding to the middle lower opening 1211 and the inner lower opening 1111, and the outer front opening 132 is respectively corresponding to the middle front opening 1212 and the inner front opening 1112. The outer lower end opening 131 is provided with a plurality of locking tongues 133 on both sides thereof, and the plurality of locking tongues 133 are arranged in a row along the extending direction of the outer lower end opening 131, that is, the locking tongues 133 are provided on both the left and right sides and the rear side of the outer enclosure 13. The latch 133 is provided with a slot 1331, and the slot 1331 is provided with a notch facing upwards.

Because the inner enclosure 11 and the middle enclosure 12 are both arc-shaped structures made of stainless steel sheets, the width of the inner lower end opening 1111 is adjustable, and the width of the middle lower end opening 1211 is adjustable by using the material and the structural characteristics of the inner enclosure. The edges of the inner lower end opening 1111 and the edges of the middle lower end opening 1211 are fitted into the notch 1331, so that the inner enclosure 11 and the middle enclosure 12 are connected in an outwardly and upwardly arched state within the outer enclosure 13. Because the inlayer encloses the cover 11 and encloses the cover 12 with the well layer and be curved sheet metal structure, its self structural strength is relatively weak, through outwards upwards hunch-up for inlayer encloses cover 11 and well layer and encloses cover 12 and be in the state of tightening all the time, is favorable to improving the structural strength that the inlayer encloses cover 11 and well layer and encloses cover 12, and then improves the structural strength of whole furnace body 1, avoids leading to furnace body 1 sunken deformation because of the external force oppression.

The left side and the right side of the outer enclosure 13 are further provided with first step parts 134, the first step parts 134 are arranged above the latch tongues 133 in a manner of extending along the front-back direction, and the first step parts 134 protrude out of the inner side wall of the outer enclosure 13. The left and right sides of middle level enclosure 12 all is provided with second step portion 123, and second step portion 123 extends along the fore-and-aft direction, and second step portion 123 is connected with the cooperation of first step portion 134, and first step portion 134 has support, bearing effect to second step portion 123 promptly to further improve the structural strength of furnace body 1.

With reference to fig. 3 to 6, 11 and 12, the front cover 3 includes a cover plate 31, a sealing ring 32, a sealing fixing frame 33 and a front cover heat insulation layer.

The lid plate 31 includes a front end plate 311 and a lid peripheral wall 312. The front end plate 311 includes a sector portion and a trapezoidal portion, the sector portion is located above the trapezoidal portion, and the sector portion and the trapezoidal portion are integrally formed. The cover peripheral wall 312 is located around the front end plate 311 and protrudes toward the rear end, and the cover peripheral wall 312 extends along the peripheral edges of the sectorial portion and the trapezoidal portion. The front plate 311 is provided at a middle portion thereof with a protrusion 3111 and a food inlet and outlet 3112, the protrusion 3111 protrudes from a back surface of the front plate 311 to a rear end thereof, that is, the protrusion 3111 and the cover peripheral wall 312 are both located at a same side of the front plate 311, and a predetermined distance is provided between four sides of the protrusion 3111 and the cover peripheral wall 312. The upper portion of the protrusion 3111 is formed in an arc shape, the lower portion of the protrusion 3111 is formed in a straight line shape, the food entrance 3112 penetrates the protrusion 3111 in the front-rear direction, and the food entrance 3112 is formed in an approximately rectangular shape.

The sealing fixing frame 33 is disposed at the rear side of the cover plate 31, and the sealing fixing frame 33 is fixedly connected to the cover peripheral wall 312, the inner layer enclosure 11, and the middle layer enclosure 12, respectively. The sealing fixing frame 33 is provided with an arc shape which is matched with the upper part of the protruding part 3111, the first side of the sealing fixing frame 33 is provided with five cover lug seats 331 and five inner surrounding cover lug seats 332, the five cover lug seats 331 are arranged in a row along the extending direction of the sealing fixing frame 33, the five inner surrounding cover lug seats 332 are arranged in a row along the extending direction of the sealing fixing frame 33, the cover lug seats 331 and the inner surrounding cover lug seats 332 are arranged oppositely, and the cover lug seats 331 are located above the inner surrounding cover. The cap lug 331 is located inside the cap peripheral wall 312, and the cap lug 331 and the cap peripheral wall 312 are fixedly connected by a connecting member, which may be a rivet or a rivet.

The second side of the sealing fixing frame 33 is provided with five middle surrounding ear seats 333, and the five middle surrounding ear seats 333 are arranged in a row along the extending direction of the sealing fixing frame 33. The middle shroud ear piece 333 is arranged to be offset from the lid ear piece 331 in the front-rear direction. In the radial direction of the sealing fixing frame 33, the cover lug seat 331 is farther from the center of the sealing fixing frame 33 than the middle surrounding lug seat 333, and the middle surrounding lug seat 333 is farther from the center of the sealing fixing frame 33 than the inner surrounding lug seat 332. The middle enclosure ear seat 333 is used for being fixedly connected with the middle enclosure 12, and the inner enclosure ear seat 332 is used for being fixedly connected with the inner enclosure 11.

In fig. 5, in the front-rear direction, the end of the inner enclosure 11 protrudes forward beyond the middle enclosure 12 and the outer enclosure 13, the sealing fixing frame 33 is disposed outside the inner enclosure 11, the lower portion of the sealing fixing frame 33 is located on one side of the protruding portion 3111, a cavity 34 is formed between the sealing fixing frame 33 and the cover plate 31, and the front cover heat insulation layer and the sealing ring 32 are both disposed in the cavity 34. The sealing ring 32 is provided in an arc shape matching with the sealing holder 33, and the sealing ring 32 is provided on the inner shroud ear seat 332 and is connected between the sealing holder 33 and the protrusion 3111 in a sealing manner, that is, the sealing ring 32 is located at the opening between the cavity 34 and the hearth for blocking the hot air flow in the hearth from entering the cavity 34.

In fig. 4, the heat conducting plate 26 and the flame tube 23 are arranged in the furnace chamber in the front-back direction, the inner enclosure 11, the furnace body heat-insulating layer, the middle enclosure 12 and the outer enclosure 13 form the furnace wall of the furnace body 1 of the present embodiment, the rear end of the furnace wall is provided with a protruding part 113, the protruding part 113 protrudes downwards and forwards from the inner surface of the furnace wall, and the protruding part 113 is located just above the flame tube 23 and plays a role of guiding hot air to the front end flow channel. When there is flame in the flame tube 23, the flame or the hot air above the flame directly impacts the protrusion 113, and the flame or the hot air moves to the front end of the furnace chamber under the blocking action of the protrusion 113.

The front end of the hearth is provided with a baffle 15, the baffle 15 is obliquely arranged at the front end of the furnace wall, namely, the baffle 15 is obliquely connected with the front end of the inner layer enclosure 11, the baffle 15 is adjacent to the front cover 3, and the baffle 15 is positioned above the food inlet/outlet 3112. The baffle 15 has a stop face facing the middle of the heat-conducting plate 26 for reflecting hot air onto the heat-conducting plate 26, the stop face having an angle of 45 ° to the horizontal. Food is placed on the middle part of the heat conducting plate 26, and the hot air reflected by the stopping surface just falls on the surface of the food, so that the food baking is accelerated, and the time is saved.

An insulating cavity 16 is formed between the baffle 15 and the inner layer enclosure 11 and the front cover 3. After the stop surface reflects hot air for a long time, the stop plate 15 can absorb heat to cause the temperature of the stop plate to rise, and because the stop surface is adjacent to the front cover 3 and not directly connected with the front cover, in order to block heat transfer to the front cover 3, the heat insulation cavity 16 is preferably filled with heat insulation cotton so as to block heat transfer between the stop plate 15 and the front cover 3, prevent the temperature of the front cover 3 from rising, and prevent accidents of scalding people.

Specifically, the protruding portion 113 sequentially includes a first inclined surface 1131, a second inclined surface 1132 and a third inclined surface 1133 from bottom to top, the first inclined surface 1131 and the third inclined surface 1133 are arranged in parallel, the second inclined surface 1132 is located directly over the flame tube 23, the second inclined surface 1132 is parallel to the horizontal plane, and an included angle between the second inclined surface 1132 and the first inclined surface 1131 is an obtuse angle. The arrangement of the convex part 113 guides the hot air to the front end flow channel of the hearth; on the other hand, since the inner enclosure 11 is made of a stainless steel thin plate and the protrusion 113 is disposed on the inner side of the inner enclosure 11, correspondingly, a recess 1121 is formed on the outer side of the inner enclosure 11 at a position corresponding to the protrusion 113, and the space between the recess 1121 and the middle enclosure 12 is relatively large, that is, the thickness of the furnace body heat insulation layer on the recess 1121 is greater than that outside the recess 1121. Because the flame or hot air directly transfers heat with the convex part 113, the temperatures of the convex part 113 and the concave part 1121 are higher than those of other parts of the furnace body 1, and a thicker furnace body heat-insulating layer is arranged, thereby being beneficial to improving the heat-insulating effect of the rear end of the furnace body 1, preventing the temperature of the rear end of the furnace body 1 from being too high, and avoiding accidental scalding people.

Referring to fig. 2 and 9, in order to improve the sealing between the furnace body 1 and the base 2, it is preferable that the lower portion of the furnace body 1 is fitted into the periphery of the base 2, and the heat conducting plate 26 is fitted into the heat conducting plate fitting groove 1113 of the inner enclosure 11. A first mounting hole 114 through which the detection end 281 of the thermometer 28 passes is formed at one side of the inner-layer enclosure 11, and the first mounting hole 114 is located below the thermally-conductive-plate mounting groove 1113 in the vertical direction. One side of the middle layer enclosure 12 is provided with a second mounting hole 124, one side of the outer layer enclosure 13 is provided with a third mounting hole 135, and the second mounting hole 124 and the third mounting hole 135 are correspondingly arranged and communicated with each other for accommodating a reading meter 282 of the thermometer 28.

In summary, the first base heat insulation layer and the second base heat insulation layer are arranged, so that the base has the heat insulation function, people are prevented from being scalded accidentally, and heat loss can be reduced; through set up sliding connection hole on the bottom plate, be provided with on the combustor of peripheral hardware with this sliding connection hole complex connecting piece, realize dismantling the connection of combustor and base through inserting and rotatory action.

Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, and are not intended to limit the scope of the present invention, as those skilled in the art will appreciate that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended to cover all such modifications, equivalents, and improvements as fall within the true spirit and scope of the invention.

Claims

1. The utility model provides a thermal-insulated heat retaining base which characterized in that: the flame tube heat-conducting plate comprises a bottom plate, a fixing frame, a flame tube, a circular ring, a first base heat-insulating layer, a second base heat-insulating layer and a heat-conducting plate;

the flame tube and the fixing frame are both arranged at one end of the bottom plate, two ends of the flame tube are respectively connected with the bottom plate and the fixing frame, the flame tube is respectively communicated with the lower side of the bottom plate and the upper side of the fixing frame, the circular ring is arranged between the bottom plate and the fixing frame, the circular ring is sleeved outside the flame tube, an installation cavity is formed between the circular ring and the bottom plate, the first base heat insulation layer is filled between the circular ring and the fixing frame, and the first base heat insulation layer is positioned outside the flame tube;

the second base heat-insulating layer is arranged on the bottom plate and positioned on one side of the fixing frame, the fixing frame is provided with a heat-conducting plate mounting part, and the heat-conducting plate is arranged on the heat-conducting plate mounting part and the second base heat-insulating layer;

the bottom plate is provided with a plurality of sliding connection holes, the sliding connection holes are formed in the circumferential direction of the flame tube and are located below the circular ring, and the sliding connection holes are communicated with the installation cavity.

2. The base of claim 1, wherein:

in the vertical direction, the surface of heat-conducting plate installation department is less than the top surface of mount, the surface of heat-conducting plate installation department is higher than the top surface of second base insulating layer, or the surface of heat-conducting plate installation department with the top surface parallel and level of second base insulating layer.

3. The base of claim 1, wherein:

the base is further provided with a thermometer, the detection end of the thermometer is arranged between the heat conduction plate and the second base heat insulation layer, and the reading meter of the thermometer is exposed outside the base.

4. The base of claim 1, wherein:

the mount includes notch cuttype board and a plurality of support bar, the notch cuttype board from last to having set gradually down the installation department heat-conducting plate installation department and installation department down, upwards wear out on the upper portion of flame tube go up the installation department, a plurality of the support bar is located go up the installation department all around, the both ends of support bar respectively with the bottom plate with go up installation department fixed connection, down the installation department with bottom plate fixed connection.

5. The base of claim 1, wherein:

the lower side of the bottom plate is provided with anti-collision gaskets, the anti-collision gaskets are positioned on the outer sides of all the sliding connecting holes, and the middle parts of the anti-collision gaskets are communicated with the flame tube.

6. The base of any one of claims 1 to 5, wherein:

7. Oven, its characterized in that: the food processing device comprises a front cover, a furnace body and a base as claimed in any one of claims 1 to 6, wherein the furnace body is arranged on the base, a hearth is arranged between the furnace body and the base, the front cover is connected to the front ends of the furnace body and the base, the front cover is provided with a food inlet and outlet, and the food inlet and outlet are communicated with the hearth.