A barbecue oven capable of adjusting temperature

Abstract

The present invention belongs to the technical field of barbecue equipment, and particularly refers to a barbecue oven capable of adjusting temperature, comprising a furnace body, wherein an outer cylinder and an inner cylinder are stacked inside and outside and can rotate relatively, the outer cylinder is fixed to the furnace body in the circumferential direction, an outer window is provided on the cylinder wall of the outer cylinder, an inner window is provided on the cylinder wall of the inner cylinder, the outer window and the inner window overlap to form a heat conduction channel, an adjustment rod is provided on the inner cylinder, and the adjustment rod is pushed forward or reversely to drive the inner cylinder to rotate circumferentially around its axis, thereby adjusting the opening size of the heat conduction channel. The heat generated by the burning of charcoal fire in the inner cylinder of the present invention is transferred to the baking space of the furnace body through the heat conduction channel, and the area of ​​the inner window and the outer window overlapping is adjusted by the relative rotation of the inner cylinder and the outer cylinder, that is, the opening size of the heat conduction channel is adjusted, thereby effectively adjusting the size of the heat entering the baking space, realizing the temperature control of the baking space of the furnace body, and facilitating the operator to control the baking time.

Description

Technical field:

[0001] The invention belongs to the technical field of barbecue equipment, in particular to a barbecue oven capable of adjusting temperature. Background technology:

[0002] A barbecue oven is a barbecue device that can be used to make kebabs, barbecue, etc. The existing barbecue oven includes a furnace body, and a charcoal cylinder is arranged in the center of the furnace body. The charcoal cylinder is used to place charcoal fire, and the heat generated in the charcoal cylinder is transferred to the baking space of the furnace body, so that as long as the kebabs are placed in the baking space of the furnace body, they can be baked.

[0003] As the charcoal fire burns and generates heat, the temperature of the baking space in the furnace body will continue to rise. The specific baking time of the skewers depends entirely on the operator's experience and estimation. The operator can only extend or shorten the baking time by visually observing the burning state of the charcoal fire. The main reason for this is that the heat continuously generated by the charcoal fire cannot be controlled, which makes it difficult to regulate the temperature of the baking space in the furnace body and makes it impossible to accurately control the baking time, which can easily cause the skewers to burn and affect the taste. Summary of the invention:

[0004] The purpose of the present invention is to provide a barbecue oven which can adjust the temperature of a baking space of the oven body and is convenient for controlling the baking time.

[0005] The present invention is achieved in that:

[0006] A barbecue oven capable of adjusting temperature comprises a oven body, wherein an outer cylinder and an inner cylinder which are stacked inside and outside and can rotate relatively are arranged in the oven body, the outer cylinder is fixed to the oven body in the circumferential direction, an outer window is provided on the cylinder wall of the outer cylinder, an inner window is provided on the cylinder wall of the inner cylinder, the outer window and the inner window are overlapped to form a heat conduction channel connecting the inner cavity of the inner cylinder and the inner cavity of the oven body, an adjustment rod is arranged on the inner cylinder, and the adjustment rod is pushed forward or reversely to drive the inner cylinder to rotate circumferentially around its axis, thereby realizing the adjustment of the opening size of the heat conduction channel.

[0007] In the above-mentioned barbecue grill capable of adjusting temperature, a transmission lever is rotatably connected in the oven body, the inner end of the transmission lever conflicts with the side wall of the adjusting rod in the opposite direction of the circumferential rotation of the inner cylinder, the adjusting rod or the inner cylinder is connected to one end of the elastic member, the other end of the elastic member is fixed to the oven body or the outer cylinder, and a driving source transmission-connected to the outer end of the transmission lever is provided on the oven body, and the driving source pushes the adjusting rod and the inner cylinder to rotate in the positive direction through the transmission lever.

[0008] In the above-mentioned barbecue grill capable of adjusting temperature, the driving source includes a bimetallic strip that can be bent by heat. The bimetallic strip is composed of a plurality of metal strips with different thermal expansion coefficients. One end of the bimetallic strip is fixed to the outer tube or the furnace body, and the other end is a free end corresponding to the outer end position of the transmission lever.

[0009] In the above-mentioned temperature-adjustable barbecue oven, a limiting strip hole is provided on the wall of the outer cylinder along its circumference, the inner end of the adjusting rod is fixed on the wall of the inner cylinder, and the outer end extends outward and passes through the limiting strip hole.

[0010] In the above-mentioned barbecue grill capable of adjusting temperature, a port connected to the inner cavity of the furnace body is provided on the upper end surface of the furnace body above the outer tube, a furnace cover is provided on the port, and the lower edge of the port extends downward to form an annular support wall, and a plurality of limit baffles are circumferentially distributed on the inner wall surface of the annular support arm, and the inner end of the limit baffle is in conflict with the outer tube wall of the outer tube, and a plug-in piece is provided on the outer tube wall of the outer tube, and a plug-in groove matching the plug-in piece is provided on the limit baffle.

[0011] In the above-mentioned barbecue grill capable of adjusting temperature, an annular turntable and an annular guide rod are arranged in the furnace body located at the outer periphery of the outer cylinder, the annular guide rod is fixed on the furnace body or the outer cylinder, the annular turntable has a plurality of rotating shafts distributed along its circumference, and the rotating shafts are rotatably connected to the annular turntable, a self-rotating guide wheel rollingly connected to the annular guide rod is fixedly mounted on the rotating shaft, a through hole for inserting barbecue skewers is opened along the axial direction of the rotating shaft, and the rotating shaft and the barbecue skewers are fixedly connected by a connecting piece, a driving motor is arranged in the furnace body, the driving motor is connected to the annular turntable through a transmission assembly, the driving motor drives the annular turntable to revolve circumferentially through the transmission assembly, and then drives the rotating shaft to rotate circumferentially through the self-rotating guide wheel and the annular guide rod.

[0012] In the above-mentioned barbecue grill capable of adjusting temperature, the transmission assembly includes a transmission roller, which is fixedly mounted on the output shaft of the driving motor, and the transmission roller is rollingly connected to the outer wall of the annular turntable; or the outer edge of the annular turntable extends downward or folds downward to form an annular rib, and the transmission roller is rollingly connected to the outer wall surface of the annular baffle.

[0013] In the above-mentioned temperature-adjustable barbecue grill, the driving motor is sheathed with a heat-insulating shell, and the output shaft of the driving motor passes through the heat-insulating shell and is connected to the driving roller.

[0014] In the above-mentioned temperature-adjustable barbecue oven, a heat dissipation fan is arranged on the heat-insulating shell located on the side of the driving motor away from the outer cylinder, and ventilation holes corresponding to the positions of the heat dissipation fan are opened on the oven body.

[0015] In the above-mentioned temperature-adjustable barbecue grill, the connecting piece is an elastic ring buckle with an opening, and pin holes connected to the through hole are opened on the corresponding two sides of the shaft wall of the rotating shaft, and the two ends of the elastic ring buckle respectively pass through the corresponding pin holes and abut against the side walls of the barbecue skewers.

[0016] The outstanding advantages of the present invention compared with the prior art are:

[0017] The heat generated by the burning of charcoal fire in the inner cylinder of the present invention is transferred to the baking space of the furnace body through the heat conduction channel. The inner cylinder and the outer cylinder are rotated relative to each other to adjust the overlapping area of ​​the inner window and the outer window, that is, to adjust the opening size of the heat conduction channel, thereby effectively adjusting the size of the heat entering the baking space, thereby realizing temperature control of the baking space of the furnace body, and facilitating the operator to control the baking time. Description of the drawings:

[0018] Figure 1 It is an overall stereogram of the present invention;

[0019] Figure 2 is an overall three-dimensional diagram of the present invention without a furnace cover;

[0020] Figure 3 It is the overall local three-dimensional structure without furnace body of the present invention. Figure 1 ;

[0021] Figure 4 It is a three-dimensional diagram of the outer cylinder of the present invention;

[0022] Figure 5 is a three-dimensional diagram of the inner cylinder of the present invention;

[0023] Figure 6 This is a structural diagram of the bimetallic strip and the transmission lever of the present invention;

[0024] Figure 7 It is the overall local three-dimensional structure without furnace body of the present invention. Figure 2 ;

[0025] Figure 8 This is a diagram of the structure of the driving motor and the annular turntable of the present invention;

[0026] Fig. 9 It is the overall local three-dimensional structure without furnace body of the present invention. Figure 3 ;

[0027] Fig.10 It is a three-dimensional diagram of the rotating shaft and the self-rotating guide wheel of the present invention.

[0028] In the figure: 1. furnace body; 2. outer tube; 3. inner tube; 4. outer window; 5. inner window; 6. adjusting rod; 7. transmission lever; 8. bimetallic strip; 9. limiting strip hole; 10. port; 11. furnace cover; 12. annular support wall; 13. limiting baffle; 14. plug-in piece; 15. annular turntable; 16. annular guide rod; 17. rotating shaft; 18. self-rotating guide wheel; 19. driving motor; 20. transmission roller; 21. annular baffle; 22. heat-insulating shell; 23. cooling fan; 24. ventilation hole; 25. elastic ring buckle; 26. pin hole; 27. barbecue skewers. Specific implementation method:

[0029] The present invention is further described below with reference to specific embodiments. Figure 1 —10:

[0030] A temperature-adjustable barbecue oven includes a oven body 1, wherein an outer cylinder 2 and an inner cylinder 3 are stacked inside and outside and can rotate relative to each other, the outer cylinder 2 and the oven body 1 are fixed in the circumferential direction, an outer window 4 is provided on the cylinder wall of the outer cylinder 2, and an inner window 5 is provided on the cylinder wall of the inner cylinder 3, the outer window 4 and the inner window 5 overlap to form a heat conduction channel connecting the inner cavity of the inner cylinder 3 and the inner cavity of the oven body 1, and an adjustment rod 6 is provided on the inner cylinder 3, and the adjustment rod 6 is pushed forward or reversely to drive the inner cylinder 3 to rotate circumferentially around its axis, thereby realizing the opening size adjustment of the heat conduction channel. Among them, a baking space is formed between the outer wall surface of the outer cylinder 2 and the inner wall surface of the oven body 1.

[0031] The heat generated by the burning of charcoal fire in the inner cylinder 3 of the present invention is transferred to the baking space of the furnace body 1 through the heat conduction channel. The inner cylinder 3 and the outer cylinder 2 are rotated relative to each other to adjust the overlapping area of ​​the inner window 5 and the outer window 4, that is, to adjust the opening size of the heat conduction channel, thereby effectively adjusting the size of the heat entering the baking space, thereby realizing temperature control of the baking space of the furnace body 1, and facilitating the operator to control the baking time.

[0032] In order to improve the automation degree of the present invention and realize automatic adjustment of the temperature in the furnace body 1, a transmission lever 7 is rotatably connected in the furnace body 1, and the inner end of the transmission lever 7 conflicts with the side wall of the adjustment rod 6 in the opposite direction of the circumferential rotation of the inner cylinder 3. The adjustment rod 6 or the inner cylinder 3 is connected to one end of the elastic member, and the other end of the elastic member is fixed on the furnace body 1 or the outer cylinder 2. A driving source connected to the outer end of the transmission lever 7 is provided on the furnace body 1, and the driving source pushes the adjustment rod 6 and the inner cylinder 3 to rotate forward through the transmission lever 7. Among them, the elastic force of the elastic member plays a role in resetting the inner cylinder 3 in the reverse direction, and the transmission lever 7 is driven by the driving source, thereby pushing the adjustment rod 6 and the inner cylinder 3 to rotate forward, so as to realize automatic adjustment of the temperature of the furnace body 1. The elastic member can be a reset spring, a torsion spring or a rubber band.

[0033] Furthermore, in this embodiment, the driving source includes a bimetallic strip 8 that can be bent by heat. The bimetallic strip 8 is composed of a plurality of metal strips with different thermal expansion coefficients. One end of the bimetallic strip 8 is fixed on the outer cylinder 2 or the furnace body 1, and the other end is a free end corresponding to the outer end position of the transmission lever 7. Its working principle is: the bimetallic strip 8 can form different bending arcs according to different temperatures. When the temperature reaches a certain level, that is, when the bimetallic strip 8 is bent to a certain level, the free end of the bimetallic strip 8 abuts against the outer end of the transmission lever 7. When the temperature continues to rise, the bimetallic strip 8 continues to bend accordingly and pushes the transmission lever 7 to drive the adjustment rod 6 and the inner cylinder 3 to rotate forward, thereby reducing the opening size of the heat conduction window, and finally making the temperature in the baking space stable and maintained within a certain temperature range.

[0034] Furthermore, the positional relationship between the adjustment rod 6 and the outer cylinder 2 is as follows: a limiting strip hole 9 is provided on the cylinder wall of the outer cylinder 2 along its circumferential direction, the inner end of the adjustment rod 6 is fixed on the cylinder wall of the inner cylinder 3, and the outer end extends outward and passes through the limiting strip hole 9. The limiting strip hole 9 can limit the forward and reverse rotation angles of the inner cylinder 3.

[0035] In this embodiment, in order to facilitate the cleaning of the inner cylinder 3 and the outer cylinder 2, the inner cylinder 3 and the outer cylinder 2 are of a split structure with the furnace body 1. A port 10 communicating with the inner cavity of the furnace body 1 is provided on the upper end surface of the furnace body 1 located above the outer cylinder 2. A furnace cover 11 is provided on the port 10. An annular support wall 12 is formed by extending downward from the lower edge of the port 10. A plurality of limit baffles 13 are circumferentially distributed on the inner wall surface of the annular support arm. The inner end of the limit baffle 13 is in conflict with the outer cylinder 2 wall of the outer cylinder 2. A plug-in sheet 14 is provided on the outer cylinder 2 wall of the outer cylinder 2. A plug-in slot matching the plug-in sheet 14 is provided on the limit baffle 13. The plug-in sheet 14 is inserted into the plug-in slot to achieve circumferential fixation of the outer cylinder 2 and the furnace body 1, thereby effectively improving the overall stability of the present invention.

[0036] Of course, the connection between the outer tube 2 and the furnace body 1 may also be fixed by snap connection or threaded connection in the prior art.

[0037] Since the degree of heat received at each position in the grilling space is different, and at the same time, the heating area of ​​the grilling skewer 27 close to the outer cylinder 2 is larger than the heating area of ​​the side facing away from the outer cylinder 2, in order to overcome the above-mentioned defects and effectively improve the grilling taste, an annular turntable 15 and an annular guide rod 16 are arranged in the furnace body 1 located at the outer periphery of the outer cylinder 2, and the annular guide rod 16 is fixed on the furnace body 1 or the outer cylinder 2, and the annular turntable 15 has a plurality of rotating shafts 17 distributed along its circumference, and the rotating shafts 17 are rotatably connected to the annular turntable 15. A self-rotating guide wheel 18 rollingly connected to the annular guide rod 16 is fixedly mounted on the rotating shaft 17. A through hole for inserting the barbecue skewers 27 is opened along the axial direction of the rotating shaft 17, and the rotating shaft 17 and the barbecue skewers 27 are fixedly connected by a connecting piece. A driving motor 19 is arranged in the furnace body 1. The driving motor 19 is connected to the annular turntable 15 through a transmission component. The driving motor 19 drives the annular turntable 15 to revolve in a circumferential direction through the transmission component, and then drives the rotating shaft 17 to rotate in a circumferential direction through the self-rotating guide wheel 18 and the annular guide rod 16.

[0038] Furthermore, in this embodiment, the annular guide rod 16 is fixedly disposed on the furnace body 1 and its specific connection structure is: the annular guide rod 16 is fixedly sleeved on the annular support wall 12 .

[0039] The present invention drives the annular turntable 15 and the grilling skewers 27 to revolve around the charcoal cylinder in a circumferential direction with the help of a driving motor 19, so that the grilling skewers 27 are no longer fixedly placed at one position of the grilling space of the furnace body 1, thereby overcoming the problem that the grilling skewers 27 are heated to different degrees at different positions in the grilling space; at the same time, during the circumferential revolution of the annular turntable 15, the self-rotating guide wheel 18 rolls on the annular guide rod 16, thereby driving the rotating shaft 17 and the grilling skewers 27 to rotate, so that the surface of the grilling skewers 27 is evenly heated.

[0040] Further, in this embodiment, the specific implementation of the transmission component is: the transmission component includes a transmission roller 20, the transmission roller 20 is fixedly mounted on the output shaft of the driving motor 19, and the transmission roller 20 is rollingly connected to the outer wall of the annular turntable 15; or the outer edge of the annular turntable 15 extends downward or folds downward to form an annular rib, and the transmission roller 20 is rollingly connected to the outer wall surface of the annular baffle 21.

[0041] At the same time, the transmission component can also adopt another embodiment: the transmission component includes a transmission gear, the transmission gear is fixedly mounted on the output shaft of the drive motor 19, the annular turntable 15 is provided with an annular rack along its circumference, and the transmission gear is meshed with the annular rack.

[0042] In actual use, since the temperature of the baking space of the oven body 1 is relatively high, in order to prevent the driving motor 19 from not being able to work normally under high temperature, the driving motor 19 is covered with a heat-insulating shell 22, and the output shaft of the driving motor 19 passes through the heat-insulating shell 22 and is connected to the driving roller 20. The heat-insulating shell 22 should be made of a material capable of blocking heat flow transfer, which may be asbestos or glass fiber wool board or polyurethane foam board.

[0043] In order to further protect the drive motor 19, air cooling is used to cool the drive motor 19. A heat dissipation fan 23 is provided on the heat-insulating shell 22 of the drive motor 19 away from the outer tube 2, and a ventilation hole 24 corresponding to the position of the heat dissipation fan is opened on the furnace body 1.

[0044] In this embodiment, in order to ensure that the grill skewer 27 can be stably inserted into the through hole of the rotating shaft 17 and the grill skewer 27 can rotate synchronously with the rotating shaft 17, the connecting piece is an elastic ring buckle 25 with an opening, and pin holes 26 connected to the through hole are provided on the corresponding two sides of the shaft wall of the rotating shaft 17. The two ends of the elastic ring buckle 25 respectively pass through the corresponding pin holes 26 and abut against the side walls of the grill skewer 27.

[0045] Meanwhile, the connecting member may also be a latch, and plug holes are respectively provided on the barbecue skewers 27 and the rotating shaft 17. The latch passes through the plug holes on the rotating shaft 17 and the barbecue skewers 27 in sequence to achieve a fixed connection between the barbecue skewers 27 and the rotating shaft 17.

[0046] The above embodiment is only one of the preferred embodiments of the present invention, and is not intended to limit the scope of implementation of the present invention. Therefore, any equivalent changes made based on the shape, structure, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A barbecue oven capable of adjusting temperature, characterized in that: The invention comprises a furnace body (1), wherein an outer cylinder (2) and an inner cylinder (3) are arranged inside the furnace body (1), the outer cylinder (2) and the furnace body (1) are circumferentially fixed, an outer window (4) is provided on the cylinder wall of the outer cylinder (2), and an inner window (5) is provided on the cylinder wall of the inner cylinder (3), the outer window (4) and the inner window (5) are overlapped to form a heat conduction channel connecting the inner cavity of the inner cylinder (3) and the inner cavity of the furnace body (1), and an adjustment rod (6) is provided on the inner cylinder (3), and the adjustment rod (6) is pushed forward or backward to drive the inner cylinder (3) to rotate circumferentially around its axis, thereby realizing the adjustment of the opening size of the heat conduction channel; A transmission lever (7) is rotatably connected inside the furnace body (1), the inner end of the transmission lever (7) abuts against the side wall of the adjusting rod (6) in the direction opposite to the circumferential rotation of the inner cylinder (3), the adjusting rod (6) or the inner cylinder (3) is connected to one end of an elastic member, the other end of the elastic member is fixed to the furnace body (1) or the outer cylinder (2), a driving source is provided on the furnace body (1) and is transmission-connected to the outer end of the transmission lever (7), and the driving source drives the adjusting rod (6) and the inner cylinder (3) to rotate in the positive direction through the transmission lever (7); A limiting strip hole (9) is provided on the wall of the outer cylinder (2) along its circumferential direction, the inner end of the adjusting rod (6) is fixed on the wall of the inner cylinder (3), and the outer end extends outward and passes through the limiting strip hole (9); A port (10) communicating with the inner cavity of the furnace body (1) is provided on the upper end surface of the furnace body (1) above the outer tube (2); a furnace cover (11) is provided on the upper cover of the port (10); an annular support wall (12) is formed by extending downward from the lower edge of the port (10); a plurality of limit baffles (13) are circumferentially distributed on the inner wall surface of the annular support arm; the inner end of the limit baffle (13) contacts the outer tube wall of the outer tube (2); a plug-in sheet (14) is provided on the outer tube wall of the outer tube (2); and a plug-in groove matching the plug-in sheet (14) is provided on the limit baffle (13).

2. A temperature-adjustable barbecue oven according to claim 1, characterized in that: The driving source comprises a bimetallic strip (8) that can be bent by heat. The bimetallic strip (8) is composed of a plurality of metal strips with different thermal expansion coefficients. One end of the bimetallic strip (8) is fixed to the outer cylinder (2) or the furnace body (1), and the other end is a free end corresponding to the outer end position of the transmission lever (7).

3. A temperature-adjustable barbecue oven according to claim 1 or 2, characterized in that: An annular rotating disk (15) and an annular guide rod (16) are arranged in the furnace body (1) at the outer periphery of the outer cylinder (2). The annular guide rod (16) is fixed on the furnace body (1) or the outer cylinder (2). The annular rotating disk (15) has a plurality of rotating shafts (17) distributed along its circumference, and the rotating shafts (17) are rotatably connected to the annular rotating disk (15). A self-rotating guide wheel (18) is fixedly mounted on the rotating shaft (17) and is rollingly connected to the annular guide rod (16). The rotating shaft (17) is axially A through hole for inserting a barbecue skewer (27) is provided, and the rotating shaft (17) and the barbecue skewer (27) are fixedly connected via a connecting piece. A driving motor (19) is arranged in the furnace body (1), and the driving motor (19) is drivingly connected to the annular rotating disk (15) via a transmission assembly. The driving motor (19) drives the annular rotating disk (15) to revolve in a circumferential direction through the transmission assembly, and then drives the rotating shaft (17) to rotate in a circumferential direction via a self-rotating guide wheel (18) and an annular guide rod (16).

4. The temperature-adjustable barbecue oven according to claim 3, characterized in that: The transmission assembly comprises a transmission roller (20), which is fixedly sleeved on the output shaft of the driving motor (19), and the transmission roller (20) is rollingly connected to the outer wall of the annular rotating disk (15); or the outer edge of the annular rotating disk (15) extends downward or folds downward to form an annular rib, and the transmission roller (20) is rollingly connected to the outer wall of the annular baffle (21).

5. The temperature-adjustable barbecue oven according to claim 3, characterized in that: The drive motor (19) is sheathed with a heat-insulating shell (22), and the output shaft of the drive motor (19) passes through the heat-insulating shell (22) and is connected to the drive roller (20).

6. The temperature-adjustable barbecue oven according to claim 5, characterized in that: A heat dissipation fan (23) is provided on the heat-insulating shell (22) located on the side of the drive motor (19) away from the outer cylinder (2), and a ventilation hole (24) corresponding to the position of the heat dissipation fan is provided on the furnace body (1).

7. The temperature-adjustable barbecue oven according to claim 3, characterized in that: The connecting piece is an elastic ring buckle (25) with an opening. Pin holes (26) connected to the through hole are opened on the corresponding two sides of the shaft wall of the rotating shaft (17). The two ends of the elastic ring buckle (25) pass through the corresponding pin holes (26) and abut against the side walls of the barbecue skewers (27).

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