CN112438617B - Baking tray and grill combined movement mechanism and oven using same - Google Patents
Baking tray and grill combined movement mechanism and oven using same Download PDFInfo
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- CN112438617B CN112438617B CN201910819862.XA CN201910819862A CN112438617B CN 112438617 B CN112438617 B CN 112438617B CN 201910819862 A CN201910819862 A CN 201910819862A CN 112438617 B CN112438617 B CN 112438617B
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/0623—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
- A47J37/0629—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity with electric heating elements
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/0623—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
- A47J37/0664—Accessories
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to a baking tray and grill combined movement mechanism which comprises a driving source, a transmission mechanism, a left sliding rod, a left sliding seat, a left guide boss, a left transmission assembly, a left limit guide piece, a right sliding rod, a right sliding seat, a right guide boss, a right transmission assembly and a right limit guide piece. Compared with the prior art, the baking tray grill can realize the up-down and front-back movement of the left and right supports, and simultaneously, the left and right supports can be smoothly switched between up-down lifting and left-right movement due to the left and right guide bosses and the left and right transmission racks, so that the whole mechanism can smoothly move, and the food on the baking tray grill can be uniformly heated due to the up-down and left-right movement of the baking tray grill, thereby improving the cooking effect.
Description
Technical Field
The invention relates to the field of cooking devices, in particular to a baking tray and grill compound movement mechanism and an oven using the same.
Background
Heating device in current oven inner bag generally includes top heating pipe, back heating pipe and bottom heating pipe, and wherein the top heating pipe sets up on the roof of inner bag, and the bottom heating pipe sets up on the diapire of inner bag, and the back heating pipe sets up on the backplate of inner bag to the back of inner bag is provided with hot-blast baffle, and this hot-blast baffle encloses into hot-blast room with the backplate of inner bag, is provided with the air heater in this hot-blast room, and the appearance of above-mentioned back heating pipe is the ring form, and it encloses the periphery of establishing at above-mentioned air heater.
Therefore, the temperature distribution in the oven liner is not uniform, and the food can reach the best cooking effect at the optimum baking temperature. In the general baking process, a baking tray, a grill and the like are fixed at a certain position of the inner container, so that the position of the food in the inner container is unchanged in the baking process. Therefore, the food materials are heated unevenly in the baking process, and the optimal cooking effect cannot be achieved effectively.
For solving above-mentioned problem, chinese utility model patent that patent number is ZL201620102620.0 (the grant bulletin number is CN205729129U) discloses an electric oven, include culinary art cavity, shell and locate overware, heating pipe in the culinary art cavity, culinary art cavity both sides are equipped with the guide rail respectively, the oven is still including being used for control the altitude controller of overware, the altitude controller location the optional position of overware in guide rail stroke range. This patent is used for controlling the location through the setting the overware slides from top to bottom is in the altitude controller of optional position in the guide rail stroke range for the arbitrary high realization of overware in the oven is adjustable, and its simple easy operation can satisfy the needs of different edible materials, further promotion the result of use of oven.
Although the adjustment to the baking temperature can be realized through the oscilaltion of overware to above-mentioned patent, except that there is the vertical difference in temperature in the oven inner bag, also there is the difference in temperature in the horizontal direction, consequently above-mentioned patent can not really solve because of the inside difference in temperature of oven influences the problem of culinary art effect.
Disclosure of Invention
The first technical problem to be solved by the invention is to provide a baking tray and grill compound motion mechanism which can simultaneously realize the up-and-down lifting and the front-and-back moving of the baking tray and grill aiming at the prior art.
The second technical problem to be solved by the invention is to provide a baking tray and grill compound motion mechanism which can smoothly move up and down and back and forth aiming at the prior art.
The third technical problem to be solved by the present invention is to provide an oven with the above mentioned composite movement mechanism for baking tray and baking frame.
The technical scheme adopted for solving the first and second technical problems is as follows: a baking tray and grill compound movement mechanism is respectively connected with a left support and a right support which are arranged at the left side and the right side of an oven inner container and used for driving the left support and the right support to move in the oven inner container, and the left support and the right support are respectively used for supporting a baking tray and grill
A drive source;
the transmission mechanism is connected to a power output shaft of the driving source;
the left sliding rod is fixed on the inner left side of the oven liner along the front-back direction;
the left sliding seat is provided with a left through hole which penetrates through the left sliding seat in a front-back mode, the left through hole is sleeved on the left sliding rod in a penetrating mode and can slide back and forth along the left sliding rod, the left support is fixed on one side of the left sliding seat, and the height of the left through hole is larger than the width of the left sliding rod;
the left guide boss is transversely arranged on the other side of the left sliding seat in a protruding mode, the shape of the left guide boss is annular, and the peripheral surface of the left guide boss comprises left straight sections which are arranged oppositely up and down and left circular arc sections which are respectively connected between two ends of the two left straight sections;
the left transmission assembly comprises a left transmission gear and a left transmission rack, wherein one end of the left transmission gear is connected with the transmission mechanism, the other end of the left transmission gear is fixedly provided with a left guide post which can abut against the peripheral surface of the left guide boss and can move along the peripheral surface of the left guide boss, the left transmission rack is fixed on the table top of the left guide boss along the length direction of the left guide boss, and the wheel surface of the left transmission gear is meshed with the left transmission rack and can move along the circumferential direction of the left transmission rack;
the left limiting guide piece is used for guiding and limiting the left sliding seat in the vertical direction;
the right sliding rod is transversely fixed on the inner right side of the oven liner;
the right sliding seat is provided with a right through hole which penetrates through the right sliding seat in a front-back mode, the right sliding seat is sleeved on the right sliding rod through the right through hole and can slide back and forth along the right sliding rod, the right support is fixed on one side of the right sliding seat, and the height of the right through hole is larger than the width of the right sliding rod;
the right guide boss is transversely arranged on the other side of the right sliding seat in a protruding mode, the outer shape of the right guide boss is annular, and the outer peripheral surface of the right guide boss comprises right straight sections which are arranged oppositely up and down and right circular arc sections which are respectively connected between the two ends of the two right straight sections;
the right transmission assembly comprises a right transmission gear and a right transmission rack, wherein one end of the right transmission gear is connected with the transmission mechanism, the other end of the right transmission gear is fixedly provided with a right guide post which can be abutted against the outer peripheral surface of the right guide boss and can move along the outer peripheral surface of the right guide boss, the right transmission rack is fixed on the table top of the right guide boss along the length direction of the right guide boss, and the wheel surface of the right transmission gear is meshed with the right transmission rack and can move along the circumferential direction of the right transmission rack; and
and the right limiting guide piece is used for vertically limiting and guiding the right sliding seat.
Preferably, the left and right sliding seats are both in a plate shape, the left and right brackets are respectively fixed on the inner side surfaces of the left and right sliding seats, the left and right guide bosses are respectively arranged on the outer side surfaces of the left and right sliding seats in a protruding manner, and the left and right guide bosses are both in an oval shape.
In order to ensure the reliability of the left and right sliding seats moving along the front and back directions, the outer sides of the two ends of each limit convex platform along the length direction are respectively provided with arc-shaped limit convex strips which are matched with the limit convex strips and are arranged at intervals, and corresponding limit slide ways are formed between the inner side surfaces of the limit convex strips and the corresponding arc sections. Therefore, when the guide post slides in the corresponding limiting slide way, the front and back movement of the corresponding slide seat can be limited, and the smoothness of the front and back movement and the up and down lifting of each slide seat can be further ensured.
Preferably, the left and right transmission racks are formed by small cylinders which are arranged at intervals in the front-back direction, the axial direction of each small cylinder is perpendicular to the table top of the corresponding limiting boss, and correspondingly, the shape of the teeth on each transmission gear is a semicircular groove matched with the small cylinders. Therefore, the meshing action of the left and right transmission gears and the corresponding transmission racks is more stable, the transmission reliability is ensured, and the circumferential movement of each transmission gear along the corresponding transmission rack can be better realized.
Preferably, the left and right limiting guide members are frame-shaped, the left and right slide seats are respectively arranged in the left and right limiting guide members, the width of the frame opening of each limiting guide member is matched with the corresponding slide seat, the height of the frame opening of each limiting guide member is greater than that of the corresponding slide seat, the left and right vertical beams of each limiting guide member are respectively provided with a mounting opening, the size of each mounting opening is matched with the corresponding slide rod, and each limiting guide member is sleeved on the corresponding slide rod through the mounting opening on the limiting guide member and can slide back and forth along the corresponding slide rod. Therefore, the left sliding seat and the right sliding seat respectively ascend and descend in the frames of the left limiting guide part and the right limiting guide part, the up-and-down action of the left sliding seat and the right sliding seat can be effectively limited, and when each sliding seat is in contact with the upper frame edge and the lower frame edge of the corresponding limiting guide part, the limiting guide part can apply certain reaction force to the corresponding sliding seat, so that each sliding seat can be reset upwards or downwards, and the fluency of the action of each sliding seat is further promoted.
Preferably, the driving source is a driving motor, the transmission mechanism includes a driving gear, a driven gear engaged with the driving gear, a synchronizing shaft, a left transmission shaft, a right transmission shaft, a left bevel gear, and a right bevel gear, the driving gear is fixed to an output shaft of the driving motor, the driven gear is fixed to the synchronizing shaft, the synchronizing shaft is horizontally disposed, and both ends of the synchronizing shaft are respectively provided with a left turbine and a right turbine, the left and right transmission shafts are vertically disposed, respectively, a left coupling gear engaged with the left turbine is fixed to an upper end of the left transmission shaft, a left transmission bevel gear engaged with the left bevel gear is fixed to a lower end of the left transmission shaft, a right coupling gear engaged with the right turbine is fixed to an upper end of the right transmission shaft, a right transmission bevel gear engaged with the right bevel gear is fixed to a lower end of the right transmission shaft, and the left and right transmission gears are respectively engaged with the left and right transmission gears, The right bevel gear is fixed.
Further, preferably, the driving source, the driving gear, the driven gear and the synchronizing shaft are all arranged at the top of the oven liner, a first shaft seat is fixed on the top surface of the oven liner, the synchronizing shaft is arranged along the left and right directions of the oven liner and penetrates through the first shaft seat, the left transmission shaft and the right transmission shaft are respectively arranged on the outer left side and the outer right side of the oven liner, a second shaft seat and a third shaft seat are respectively fixed on the outer left side and the outer right side of the oven liner, the left transmission shaft and the right transmission shaft are respectively vertically penetrated through the second shaft seat and the third shaft seat, connecting shafts respectively extend from the end faces of the left transmission gear and the right transmission gear, and each connecting shaft respectively penetrates through the corresponding oven liner side wall and is fixed with the end face of the corresponding bevel gear.
Compared with the prior art, the invention has the advantages that: when the driving source works, the left and right transmission gears are driven to rotate, and the rotated left and right transmission gears are respectively transmitted to the left and right transmission racks, so that the left and right sliding seats are respectively driven to slide back and forth along the left and right sliding rods, the front and back movement of the left and right supports is realized, and the front and back movement of the baking tray grill is realized. Meanwhile, because the heights of the left and right through holes on the left and right sliding seats are respectively larger than the widths of the left and right sliding rods, when the left and right transmission gears respectively move along the left and right transmission racks, the left and right guide posts respectively abut against the outer peripheral surfaces of the left and right guide bosses, and when each guide post abuts against the straight section at the upper end of the corresponding positioning boss, each guide post pushes the corresponding sliding seat to move downwards along the corresponding limiting guide piece, and when each guide post abuts against the straight section at the lower end of the corresponding positioning boss, each guide post pushes the corresponding sliding seat to move upwards along the corresponding limiting guide piece, so that the sliding seats slide up and down relative to the corresponding limiting guide pieces, and the left and right sliding seats are vertically displaced, thereby realizing the up-down lifting of the left and right brackets. In addition, the left and right guide bosses are designed in shape, and the left and right transmission racks are arranged, so that the left and right supports can be smoothly switched between up-down lifting and left-right moving, the whole mechanism can smoothly move, and food on the baking tray grill can be uniformly heated due to the up-down and left-right moving of the baking tray grill, and the cooking effect is improved.
Drawings
FIG. 1 is a schematic structural view of an oven according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 in another direction;
FIG. 3 is an exploded view of a portion of the composite movement mechanism of the grill in accordance with the present invention;
FIG. 4 is a schematic structural view of the composite movement mechanism of the grill pan of the present invention in a first movement state (left side is taken as an example);
FIG. 5 is a schematic structural view of the composite movement mechanism of the grill pan of the present invention in a second movement state (left side is taken as an example);
FIG. 6 is a schematic structural view of the composite movement mechanism of the grill pan of the present invention in a third movement state (left side is taken as an example);
FIG. 7 is a schematic structural view of the composite movement mechanism of the grill pan and grill in the fourth movement state according to the embodiment of the present invention (taking the left side as an example).
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 7, an oven includes an oven inner container 10, and a baking tray and grill combined movement mechanism is disposed in the oven inner container 10. The grill composite movement mechanism is connected with the left and right supports 51, 52 arranged on the left and right sides of the oven liner 10 respectively, and is used for driving the left and right supports 51, 52 to move in the oven liner 10, and the left and right supports 51, 52 are used for supporting the grill respectively. The meaning of the baking tray and the baking frame in the invention is baking tray or baking frame.
Further, the above-mentioned baking tray and grill compound movement mechanism comprises a driving source 1, a transmission mechanism 2, a left slide bar 31, a left slide base 41, a left guide boss 61, a left transmission assembly 71, a left limit guide 81, a right slide bar 32, a right slide base 42, a right guide boss 62, a right transmission assembly 72 and a right limit guide 82. In the present embodiment, the driving source 1 is a driving motor, and the transmission mechanism 2 includes a driving gear 21, a driven gear 22 engaged with the driving gear 21, a synchronizing shaft 23, a left transmission shaft 24, a right transmission shaft 25, a left bevel gear 26, and a right bevel gear 27. The driving gear 21 is fixed to an output shaft of the driving source 1, the driven gear 22 is fixed to the synchronizing shaft 23, the synchronizing shaft 23 is horizontally disposed, both ends of the synchronizing shaft 23 are respectively provided with a left turbine 231 and a right turbine 232, the left and right transmission shafts 24 and 25 are respectively vertically disposed, a left coupling gear 241 engaged with the left turbine 231 is fixed to an upper end of the left transmission shaft 24, a left transmission bevel gear 242 engaged with the left bevel gear 26 is fixed to a lower end of the left transmission shaft 24, a right coupling gear 251 engaged with the right turbine 232 is fixed to an upper end of the right transmission shaft 25, and a right transmission bevel gear 252 engaged with the right bevel gear 27 is fixed to a lower end of the right transmission shaft 25.
Specifically, the driving source 1, the driving gear 21, the driven gear 22 and the synchronizing shaft 23 are all disposed at the top of the oven liner 10, a first shaft seat 101 is fixed on the top surface of the oven liner 10, the synchronizing shaft 23 is disposed along the left and right directions of the oven liner 10 and penetrates through the first shaft seat 101, the left and right transmission shafts 24 and 25 are disposed on the outer left side and the outer right side of the oven liner 10 respectively, a second shaft seat 102 and a third shaft seat 103 are fixed on the outer left side and the outer right side of the oven liner 10 respectively, and the left and right transmission shafts 24 and 25 are vertically penetrated through the second shaft seat 102 and the third shaft seat 103 respectively.
Further, the left slide bar 31 is fixed to the inner left side of the oven inner container 10 in the front-rear direction, the left slide base 41 has a left through hole 411 passing through in the front-rear direction, the left slide base 41 is inserted through the left through hole 411 and is fitted over the left slide bar 31 and can slide in the front-rear direction along the left slide bar 31, the left bracket 51 is fixed to one side of the left slide base 41, and the height of the left through hole 411 is larger than the width of the left slide bar 31, so that the left slide base 41 can be displaced in the height direction. The left guide boss 61 is laterally protruded on the other side of the left slide base 41, and has an annular shape, and the outer peripheral surface thereof includes left straight sections 611 disposed opposite to each other in the up-down direction and left circular arc sections 612 respectively connecting the two ends of the two left straight sections 611. The left transmission assembly 71 includes a left transmission gear 711 and a left transmission rack 712, wherein one end of the left transmission gear 711 is connected to the transmission mechanism 2, the other end is fixed with a left guide post 713 which can abut against and move along the outer peripheral surface of the left guide boss 61, the left transmission rack 712 is fixed on the table top of the left guide boss 61 along the length direction of the left guide boss 61, and the wheel surface of the left transmission gear 711 is engaged with the left transmission rack 712 and can move along the circumferential direction of the left transmission rack 712. The left position-limiting guide 81 is used for vertically guiding and limiting the left slide base 41.
Meanwhile, the right slide bar 32 is fixed on the inner right side of the oven liner 10 along the front-back direction, the right slide 42 has a right through hole 421 penetrating through the front-back direction, the right slide 42 is sleeved on the right slide bar 32 through the right through hole 421 and can slide along the right slide bar 32 front-back direction, the right bracket 52 is fixed on one side of the right slide 42, and the height of the right through hole 421 is larger than the width of the right slide bar 32, so that the right slide 42 can generate a certain displacement in the height direction. The left guide boss 61 is laterally protruded on the other side of the left slide base 41, and has an annular shape, and the outer peripheral surface thereof includes left straight sections 611 disposed opposite to each other in the up-down direction and left circular arc sections 612 respectively connecting the two ends of the two left straight sections 611. The right transmission assembly 72 includes a right transmission gear 721 and a right transmission rack 722, wherein one end of the right transmission gear 721 is connected to the transmission mechanism 2, the other end is fixed with a right guide post 723 capable of abutting against and moving along the outer peripheral surface of the right guide boss 62, the right transmission rack 722 is fixed on the table top of the right guide boss 62 along the length direction of the right guide boss 62, and the wheel surface of the right transmission gear 721 is engaged with the right transmission rack 722 and can move along the circumferential direction of the right transmission rack 722. The right position-limiting guide 82 is used for vertically guiding and limiting the right slide carriage 42.
Further, the left and right transmission gears 711, 721 are fixed to the left and right bevel gears 26, 27, respectively, specifically, in this embodiment, the outer end surfaces of the left and right transmission gears 711, 721 are extended with connecting shafts 73, respectively, and each connecting shaft 73 passes through the corresponding sidewall of the oven liner 10 and is fixed to the end surface of the corresponding bevel gear. The connecting shafts 73 are respectively sleeved with bearings 74, so that the left and right transmission gears 711, 721 can be more stably arranged in the oven liner 10.
In this example, when the driving source 1 is operated, the driving gear 21 and the driven gear 22 transmit the rotation to the synchronizing shaft 23, and the synchronizing shaft 23 rotates to drive the left and right transmission shafts 24 and 25 through the left turbine 231 and the right turbine 232 at the two ends, respectively, and further drive the left and right bevel gears 26 and 27 at the two sides of the oven liner 10, so that the left and right transmission gears 711 and 721 rotate. The left and right transmission gears 711, 21 are transmitted to the left and right transmission racks 712, 722 to drive the left and right sliding seats 41, 42 to respectively slide back and forth along the left and right sliding rods 31, 32, so as to realize the back and forth movement of the left and right brackets 51, 52 and further realize the back and forth movement of the grill of the baking tray. Meanwhile, because the heights of the left and right through holes 411, 421 on the left and right sliding seats 41, 42 are respectively greater than the widths of the left and right sliding rods 31, 32, the left and right guide posts 713, 723 respectively abut against the outer peripheral surfaces of the left and right guide bosses 61, 62, and when each guide post abuts against the straight section at the upper end of the corresponding positioning boss, each guide post pushes the corresponding sliding seat to move downwards along the corresponding limiting guide, and when each guide post abuts against the straight section at the lower end of the corresponding positioning boss, each guide post pushes the corresponding sliding seat to move upwards, so that the sliding seats slide up and down relative to the corresponding limiting guide, and the left and right sliding seats 41, 42 lift up and down, thereby realizing the vertical lifting of the left and right brackets 51, 52. In addition, due to the shape design of the left and right guide bosses 61 and 62, the left and right supports 51 and 52 can be smoothly switched between vertical lifting and horizontal moving, so that the whole mechanism can smoothly move, and food on the baking tray grill can be uniformly heated due to the vertical lifting and horizontal moving of the baking tray grill, thereby improving the cooking effect. In addition, in this embodiment, the synchronous movement of the left and right sliding seats 41, 42 can be realized by the synchronizing shaft 23, so that the left and right brackets 51, 52 can move back and forth and lift up and down synchronously, thereby ensuring that the grill pan can move in the oven liner 10 smoothly, and avoiding the falling of food on the grill pan due to unstable movement of the grill pan. Meanwhile, the whole mechanism can be self-locked at a required position through the meshing action of each turbine and the corresponding transmission gear and the meshing action of each transmission bevel gear and the corresponding bevel gear, so that the stability of the structure of the whole mechanism is ensured, and the operation of a user is facilitated.
In order to make the left and right sliders 41, 42 move vertically and horizontally more smoothly, a left limit guide 81 for limiting and guiding the left slider 41 vertically and a right limit guide 82 for limiting and guiding the right slider 42 vertically are provided in the present embodiment, respectively. This left and right spacing guide 81, 82 can have multiple concrete implementation, in order to reach the spacing effect of better direction in this embodiment, enable left and right slide 41, 42's action smoothness simultaneously, left and right spacing guide 81, 82's appearance all is the frame form, the installing port 83 has been seted up on the left and right vertical beam of each spacing guide respectively, the size and the slide bar phase-match that corresponds of each installing port 83, and each spacing guide overlaps through installing port 83 cover on it respectively and establishes on the slide bar that corresponds and can follow the slide bar that corresponds and slide back and forth. Therefore, the left and right sliding seats 41 and 42 are respectively arranged in the left and right limiting guide parts 81 and 82, the width of the frame opening of each limiting guide part is matched with the corresponding sliding seat, the height of the frame opening of each limiting guide part is larger than that of the corresponding sliding seat, not only can the vertical movement of the left and right sliding seats 41 and 42 be limited effectively, but also when each sliding seat is contacted with the upper frame edge and the lower frame edge of the corresponding limiting guide part, the limiting guide part can apply certain reaction force to the corresponding sliding seat, thereby being beneficial to the vertical resetting of each sliding seat, and further promoting the fluency of the vertical movement action of each sliding seat.
In this embodiment, the left and right sliders 41, 42 are each shaped like a plate, the left and right brackets 51, 52 are fixed to the inner sides of the left and right sliders 41, 42, respectively, and the left and right guide bosses 61, 62 are disposed on the outer sides of the left and right sliders 41, 42, respectively. Further, the outer side surfaces of the left and right sliders 41, 42 are respectively provided with the left and right guide bosses 61, 62 in a protruding manner, and the left and right guide bosses 61, 62 are elliptical in shape in the present embodiment. In order to further ensure the reliability of the forward and backward movement of the left and right sliders 41, 42, in this embodiment, the outer sides of the two ends of each guide boss along the length direction thereof are respectively provided with arc-shaped limit protruding strips 92 which are matched with the guide bosses and are arranged at intervals, and a limit slideway 91 is formed between the inner side surface of each limit protruding strip 92 and the corresponding arc segment thereof. Therefore, when each guide post slides in the corresponding limiting slide rail 91, the front and back movement of the corresponding slide seat can be limited, and the smoothness of the front and back and up and down lifting of each slide seat can be further ensured. In addition, in order to make the meshing action between the left and right transmission gears 711, 721 and the corresponding transmission rack more stable, so as to ensure the reliability of transmission, and to better realize the circumferential movement of each transmission gear along the corresponding transmission rack, in this embodiment, the left and right transmission racks 712, 722 are composed of small cylinders 714 spaced in the front-rear direction, the axial direction of each small cylinder 714 is perpendicular to the table top of the corresponding limit boss, and correspondingly, the shape of the teeth on each transmission gear is a semicircular groove 715 matched with the small cylinder 714.
Claims (6)
1. A baking tray and baking rack compound movement mechanism is respectively connected with a left support (51) and a right support (52) which are arranged on the left side and the right side of an oven liner (10) and used for driving the left support (51) and the right support (52) to move in the oven liner (10), and the left support (51) and the right support (52) are respectively used for supporting a baking tray, and is characterized by comprising
A drive source (1);
a transmission mechanism (2) connected to a power output shaft of the drive source (1);
the left sliding rod (31) is fixed on the inner left side of the oven inner container (10) along the front-back direction;
the left sliding seat (41) is provided with a left through hole (411) which penetrates through the front and back, the left through hole (411) is sleeved on the left sliding rod (31) and can slide back and forth along the left sliding rod (31), the left bracket (51) is fixed on one side of the left sliding seat (41), and the height of the left through hole (411) is larger than the width of the left sliding rod (31);
the left guide boss (61) is transversely arranged on the other side of the left sliding seat (41) in a protruding mode, the outer shape of the left guide boss is annular, and the outer peripheral surface of the left guide boss comprises a left straight section (611) which is arranged oppositely up and down and a left circular arc section (612) which is respectively connected between two ends of the two left straight sections (611);
the left transmission assembly (71) comprises a left transmission gear (711) and a left transmission rack (712), wherein one end of the left transmission gear (711) is connected with the transmission mechanism (2), the other end of the left transmission gear (711) is fixed with a left guide column (713) which can abut against the outer peripheral surface of the left guide boss (61) and can move along the outer peripheral surface of the left guide boss, the left transmission rack (712) is fixed on the table top of the left guide boss (61) along the length direction of the left guide boss (61), and the wheel surface of the left transmission gear (711) is meshed with the left transmission rack (712) and can move along the circumferential direction of the left transmission rack (712);
the left limiting guide piece (81) is used for guiding and limiting the left sliding seat (41) in the vertical direction;
the right sliding rod (32) is transversely fixed on the inner right side of the oven liner (10);
a right sliding base (42) which is provided with a right perforation (421) penetrating through from front to back, the right perforation (421) is sleeved on the right sliding rod (32) in a penetrating way and can slide back and forth along the right sliding rod (32), the right bracket (52) is fixed on one side of the right sliding base (42), and the height of the right perforation (421) is larger than the width of the right sliding rod (32);
the right guide boss (62) is transversely arranged on the other side of the right sliding seat (42) in a protruding mode, the shape of the right guide boss is annular, and the peripheral surface of the right guide boss comprises a right straight section (621) which is arranged oppositely up and down and a right circular arc section (622) which is respectively connected between the two ends of the two right straight sections (621);
the right transmission assembly (72) comprises a right transmission gear (721) and a right transmission rack (722), wherein one end of the right transmission gear (721) is connected with the transmission mechanism (2), the other end of the right transmission gear is fixedly provided with a right guide post (723) which can abut against the outer peripheral surface of the right guide boss (62) and can move along the outer peripheral surface of the right guide boss, the right transmission rack (722) is arranged on the table top of the right guide boss (62) along the length direction of the right guide boss (62), and the wheel surface of the right transmission gear (721) is meshed with the right transmission rack (722) and can move along the circumferential direction of the right transmission rack (722); and
a right limit guide (82) for vertically guiding and limiting the right slide seat (42),
the left and right sliding seats (41, 42) are all shaped like a plate, the left and right brackets (51, 52) are respectively fixed on the inner side surfaces of the left and right sliding seats (41, 42), the left and right guide bosses (61, 62) are respectively arranged on the outer side surfaces of the left and right sliding seats (41, 42) in a protruding way, and the left and right guide bosses (61, 62) are all shaped like an ellipse,
the outer sides of two ends of each guide boss along the length direction are respectively provided with arc-shaped limit convex strips (92) which are matched with the guide bosses and are arranged at intervals, and a limit slide way (91) is formed between the inner side surface of each limit convex strip (92) and the corresponding arc section.
2. The grill complex movement mechanism of claim 1 wherein the left and right driving racks (712, 722) are formed by small cylinders (714) spaced from each other in the front-rear direction, the axial direction of each small cylinder (714) is perpendicular to the table surface of the corresponding limit boss, and correspondingly, the teeth of each driving gear are in the shape of semicircular grooves (715) matched with the small cylinders (714).
3. The grill plate and grill composite movement mechanism of claim 1, wherein the left and right position-limiting guides (81, 82) are frame-shaped, the left and right slide bases (41, 42) are respectively disposed in the left and right position-limiting guides (81, 82), the width of the frame opening of each position-limiting guide matches with the corresponding slide base, the height of the frame opening of each position-limiting guide is greater than the height of the corresponding slide base, the left and right vertical beams of each position-limiting guide are respectively provided with a mounting opening (83), the size of each mounting opening (83) matches with the corresponding slide bar, and each position-limiting guide is respectively disposed on the corresponding slide bar through the mounting opening (83) thereon and can slide back and forth along the corresponding slide bar.
4. The grill plate and grill composite movement mechanism according to any one of claims 1 to 3, wherein the driving source (1) is a driving motor, the transmission mechanism (2) comprises a driving gear (21), a driven gear (22) engaged with the driving gear (21), a synchronizing shaft (23), a left transmission shaft (24), a right transmission shaft (25), a left bevel gear (26) and a right bevel gear (27),
the driving gear 21 is fixed to an output shaft of the driving source 1, the driven gear 22 is fixed to the synchronizing shaft 23, the synchronizing shaft 23 is horizontally disposed, both ends of the synchronizing shaft 23 are respectively provided with a left turbine 231 and a right turbine 232, left and right transmission shafts 24, 25 are vertically disposed, a left coupling gear 241 engaged with the left turbine 231 is fixed to an upper end of the left transmission shaft 24, a left transmission bevel gear 242 engaged with the left bevel gear 26 is fixed to a lower end of the left transmission shaft 25, a right coupling gear 251 engaged with the right turbine 232 is fixed to an upper end of the right transmission shaft 25, a right transmission bevel gear 252 engaged with the right bevel gear 27 is fixed to a lower end of the right transmission shaft 711, and the left and right transmission gears 711, 721 are respectively connected to the left turbine, the right turbine, the left transmission gear, the right transmission gear, the left transmission gear, the right transmission gear, and the right transmission gear, The right bevel gears (26, 27) are fixed.
5. The grill pan and grill compound movement mechanism of claim 4, wherein the driving source (1), the driving gear (21), the driven gear (22) and the synchronizing shaft (23) are all disposed on the top of the oven inner container (10), a first shaft seat (101) is fixed on the top surface of the oven inner container (10), the synchronizing shaft (23) is disposed along the left and right direction of the oven inner container (10) and penetrates through the first shaft seat (101), the left and right transmission shafts (24, 25) are respectively disposed on the outer left side and the outer right side of the oven inner container (10), a second shaft seat (102) and a third shaft seat (103) are respectively fixed on the outer left side and the outer right side of the oven inner container (10), the left and right transmission shafts (24, 25) respectively penetrate through the second and third shaft seats (102, 103) vertically,
connecting shafts (73) respectively extend from the outer end faces of the left and right transmission gears (711, 721), and each connecting shaft (73) respectively penetrates through the side wall of the corresponding oven liner (10) and is fixed with the end face of the corresponding bevel gear.
6. An oven using the baking tray and grill compound movement mechanism as claimed in any one of claims 1 to 5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910819862.XA CN112438617B (en) | 2019-08-31 | 2019-08-31 | Baking tray and grill combined movement mechanism and oven using same |
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| CN201910819862.XA CN112438617B (en) | 2019-08-31 | 2019-08-31 | Baking tray and grill combined movement mechanism and oven using same |
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| CN112438617B true CN112438617B (en) | 2022-01-21 |
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| CN112438617A (en) | 2021-03-05 |
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