Oven heating device

Abstract

The utility model relates to the technical field of ovens, in particular to an oven heating device which comprises an oven box. The plurality of groups of electric heating pipes are uniformly arranged on the inner wall of the oven box and are used for heating; the power supply box is electrically connected with the electric heating pipe and is used for providing electric energy for the electric heating pipe; and the two descaling devices are symmetrically arranged on the two sides of the interior of the oven box and used for descaling the surfaces of the electric heating pipes. By operating the descaling device, the descaling device can move in the extending direction of the electric heating pipe, and the descaling device can be in complete contact with the surface of the electric heating pipe, so that impurities on the surface of the electric heating pipe are cleared away, the heating pipe is rapidly cleared under the condition that the heating pipe is not detached, and use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of oven, concretely is a kind of oven heating device. BACKGROUND

[0002] Oven is a kind of barbecue equipment, can be used to make barbecue food such as roast lamb skewer, roast meat, roast vegetables.Oven can be divided into charcoal barbecue oven, gas barbecue oven and electric barbecue oven according to heating source;According to the different forms of barbecue, it can be divided into manual barbecue oven and automatic barbecue oven;According to the different purposes, it can be divided into household barbecue oven and commercial barbecue oven;Among them, most of the ovens are heated by heating device.

[0003] However, the existing oven heating device is mostly heated by heating pipe during use, and a large amount of impurities will be left on the surface of the heating pipe due to long-term use, which will cause dirt to accumulate on the surface of the heating pipe, and the thickness of the outer wall of the heating pipe will increase, resulting in reduced heat emitted by the heating pipe, and the heating pipe needs to be disassembled for cleaning, so that the heating pipe cannot be quickly cleaned without disassembling the heating pipe, which is not convenient to use. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problem of the existing oven heating device, which cannot quickly clean the heating pipe without disassembling the heating pipe, and is not convenient to use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] An oven heating device comprises:

[0007] Oven box;

[0008] A plurality of electric heating pipes are evenly arranged on the inner wall of the oven box for heating.

[0009] A power supply box is electrically connected with the electric heating pipe for providing electric energy for the electric heating pipe.

[0010] Two groups of scale removal devices are symmetrically arranged on the two sides of the inside of the oven box for removing scale from the surface of the electric heating pipe.

[0011] Preferably, each group of scale removal devices comprises:

[0012] A plurality of cleaning pieces, each cleaning piece has two groups of notches on its surface.

[0013] A plurality of chain wheels, the shaft of each chain wheel is fixedly connected with one end of the cleaning piece.

[0014] A chain is arranged at the edge of the chain wheel and is meshingly connected with the chain wheel.

[0015] A support plate is arranged at one end of the sprocket close to the chain and is rotationally connected with the sprocket;

[0016] A first motor, an output end of the first motor is fixedly connected with the shaft center of a group of the sprockets;

[0017] A first driving assembly is fixedly connected with the support plate and can drive the support plate to rotate;

[0018] A second driving assembly is connected with the first driving assembly and can push the first driving assembly to move horizontally.

[0019] Preferably, the inner diameter of the notch on the surface of the cleaning member is the same as the outer diameter of the electric heating pipe, so that the cleaning member can contact the surface of the electric heating pipe when rotating.

[0020] Preferably, the first driving assembly comprises:

[0021] A fourth gear is arranged below the support plate, and the shaft center of the fourth gear is fixedly connected with the support plate;

[0022] A rack is meshingly connected with the fourth gear;

[0023] An electric push rod, an output end of the electric push rod is fixedly connected with one end of the rack away from the fourth gear.

[0024] Preferably, the second driving assembly comprises:

[0025] A protective shell is arranged inside and below the oven box;

[0026] A threaded rod is arranged inside the protective shell;

[0027] A moving block is arranged on one side of the surface of the threaded rod and is threadedly connected with the threaded rod;

[0028] A second motor, an output end of the second motor is fixedly connected with one end of the threaded rod close to the moving block;

[0029] Two groups of moving plates, one end of each group of the moving plates is fixedly connected with the moving block, and the other end is rotationally connected with the support plate.

[0030] Preferably, the device further comprises two groups of separation devices; each group of the separation devices is arranged above the descaling device and is located on both sides of the electric heating pipe, for preventing impurities from entering the descaling device.

[0031] Preferably, each group of the separation devices comprises:

[0032] A separation plate;

[0033] Two groups of rotating plates are symmetrically arranged on the two sides of the partition plate and are rotationally connected with the partition plate.

[0034] Preferably, a groove is arranged below the surface of the partition plate, and the inner diameter of the groove is the same as the outer diameter of the protective shell.

[0035] Preferably, the device further comprises a rotating device arranged above the oven box and connected with the rotating plate for driving the rotating plate to rotate.

[0036] Preferably, the rotating device comprises:

[0037] a shell;

[0038] Two groups of cylindrical pins are arranged above the rotating plate, and the bottom ends of the cylindrical pins are fixedly connected with the top ends of the rotating plate.

[0039] Two groups of rotating rods are arranged, and one end of each group of rotating rods is provided with a sliding groove, so that the cylindrical pin is arranged in the sliding groove, and the rotating rod is slidingly connected with the cylindrical pin through the sliding groove.

[0040] Two groups of first gears are arranged inside the shell, and the shaft centers of each group of first gears are fixedly connected with the other ends of the rotating rods.

[0041] A second gear is arranged between the two groups of first gears, and the edge of the second gear is meshingly connected with one group of first gears.

[0042] A third gear is arranged between the second gear and the other group of first gears, and the edges of the third gear are respectively meshingly connected with the second gear and the other group of first gears.

[0043] A hand wheel is fixedly connected with the shaft center of the third gear.

[0044] The beneficial effects of the device are as follows: by operating the descaling device, the descaling device moves along the direction in which the electric heating pipe extends, and the descaling device is in complete contact with the surface of the electric heating pipe, so that the impurities on the surface of the electric heating pipe are cleaned, the electric heating pipe is quickly cleaned without disassembly, and the device is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0045] Figure 1 The figure is a structural schematic diagram of the device.

[0046] Figure 2 The figure is a structural schematic diagram of the device. Figure 1 The figure is a structural schematic diagram of the device.

[0047] Figure 3 The figure is a structural schematic diagram of the device. Figure 2The middle part connection structure is shown in the enlarged perspective view;

[0048] Figure 4 For Figure 3 The middle part connection structure is shown in the enlarged perspective view;

[0049] Figure 5 For Figure 3 The middle part connection structure is shown in the enlarged perspective view;

[0050] Figure 6 For Figure 2 The middle part connection structure is shown in the enlarged perspective view;

[0051] Figure 7 For Figure 6 The middle part connection structure is shown in the enlarged perspective view;

[0052] In the figure: 1, oven box, 2, electric heating pipe, 3, power supply box, 4, cleaning part, 5, chain wheel, 6, chain, 7, support plate, 8, first motor, 9, moving plate, 10, moving block, 11, threaded rod, 12, second motor, 13, protective shell, 14, partition plate, 15, rotating plate, 16, cylindrical pin, 17, rotating rod, 18, first gear, 19, second gear, 20, third gear, 21, hand wheel, 22, shell, 23, fourth gear, 24, rack, 25, electric push rod. DETAILED DESCRIPTION

[0053] The utility model will be further described below in combination with the drawings:

[0054] This embodiment:

[0055] Please refer to Figures 1-7 In this embodiment: an oven heating device, comprising: oven box 1, a plurality of electric heating pipe 2, power supply box 3 and two groups of descaling device.

[0056] In this embodiment, a plurality of electric heating pipe 2 is evenly arranged on the inner wall of oven box 1, for heating; power supply box 3 is electrically connected with electric heating pipe 2, for providing electric energy for electric heating pipe 2.

[0057] In this embodiment, power supply box 3 provides electric energy for electric heating pipe 2, and electric heating pipe 2 will be heated.

[0058] Two groups of descaling device are symmetrically arranged on the inside of oven box 1, for descaling the surface of electric heating pipe 2.

[0059] In this embodiment, by operating the descaling device, the descaling device will move along the direction of extension of electric heating pipe 2, and the descaling device will be in complete contact with the surface of electric heating pipe 2, so that the impurities on the surface of electric heating pipe 2 are cleaned, and the heating pipe is quickly cleaned without disassembling the heating pipe, which is convenient to use.

[0060] As shown in Figure 3 Each group of descaling device includes: a plurality of cleaning pieces 4, a plurality of chain wheels 5, a chain 6, a support plate 7, a first motor 8, a first drive assembly and a second drive assembly.

[0061] Wherein, the surface of each group of cleaning pieces 4 is provided with two groups of notches; the axis of each group of chain wheels 5 is fixedly connected with one end of the cleaning pieces 4.

[0062] In this embodiment, the chain wheels 5 can drive the cleaning pieces 4 to rotate synchronously when rotating; the cleaning pieces 4 are rotating.

[0063] The chain 6 is arranged at the edge of the chain wheels 5 and is meshingly connected with the chain wheels 5; the support plate 7 is arranged at one end of the chain wheels 5 close to the chain 6 and is rotationally connected with the chain wheels 5; the output end of the first motor 8 is fixedly connected with the axis of one group of chain wheels 5.

[0064] In this embodiment, the model of the first motor 8 is selected according to actual requirements, which meets the working conditions; the output end of the first motor 8 can drive one group of chain wheels 5 to rotate, which drives the remaining chain wheels 5 to rotate through the chain 6.

[0065] The first drive assembly is fixedly connected with the support plate 7 and can drive the support plate 7 to rotate.

[0066] In this embodiment, by operating the first drive assembly, the first drive assembly can make the support plate 7 rotate, so that the cleaning pieces 4 rotate in the horizontal plane, and the cleaning pieces 4 parallel to the electric heating tube 2 rotate to the position perpendicular to the electric heating tube 2, so as to contact the electric heating tube 2.

[0067] The second drive assembly is connected with the first drive assembly and can drive the first drive assembly to move horizontally;

[0068] In this embodiment, by operating the second drive assembly, the second drive assembly can make the support plate 7 move towards the electric heating tube 2, and the support plate 7 drives the cleaning pieces 4 to move, so that the cleaning pieces 4 contacting the electric heating tube 2 can clean the impurities on the surface of the electric heating tube 2.

[0069] When descaling is needed, the second driving assembly is started, the second driving assembly pushes the support plate 7 to move towards the direction of the electric heating pipe 2; the support plate 7 drives the cleaning piece 4 to move; when the cleaning piece 4 is level with the electric heating pipe 2, the first driving assembly is operated, the first driving assembly can make the support plate 7 rotate, so that the cleaning piece 4 rotates in the horizontal plane, so that the cleaning piece 4 parallel to the electric heating pipe 2 rotates to a position perpendicular to the electric heating pipe 2, so as to contact the electric heating pipe 2; then the first motor 8 is started, the output end of the first motor 8 drives a group of sprockets 5 to rotate, the group of sprockets 5 drives the remaining sprockets 5 to rotate through the chain 6, and a plurality of groups of sprockets 5 simultaneously drive the cleaning piece 4 to rotate, so that the notch of the cleaning piece 4 wraps the electric heating pipe 2, and as the support plate 7 continues to move horizontally, the cleaning piece 4 can clean the impurities on the surface of the electric heating pipe 2, so that the electric heating pipe 2 can be quickly cleaned without disassembling the electric heating pipe 2, and use is facilitated.

[0070] The inner diameter of the notch on the surface of the cleaning piece 4 is the same as the outer diameter of the electric heating pipe 2, so that when the cleaning piece 4 rotates, the cleaning piece 4 can contact the surface of the electric heating pipe 2.

[0071] In this embodiment, when the cleaning piece 4 rotates, the notch can wrap the electric heating pipe 2 and can completely contact the electric heating pipe 2.

[0072] As shown in Figure 2 and 4 , the first driving assembly comprises a fourth gear 23, a rack 24 and an electric push rod 25.

[0073] Specifically, the fourth gear 23 is arranged below the support plate 7, and the axis of the fourth gear 23 is fixedly connected with the support plate 7.

[0074] The rack 24 is in meshing connection with the fourth gear 23; and the output end of the electric push rod 25 is fixedly connected with one end of the rack 24 away from the fourth gear 23.

[0075] In this embodiment, the model of the electric push rod 25 is selected according to actual needs, and the working conditions are met; when the output end of the electric push rod 25 is retracted, the rack 24 is pushed to move horizontally, the rack 24 makes the fourth gear 23 rotate in the horizontal plane, and drives the support plate 7 to rotate.

[0076] As shown in Figure 5 , the second driving assembly comprises a protective shell 13, a threaded rod 11, a moving block 10, a second motor 12 and two groups of moving plates 9.

[0077] Among them, the protective shell 13 is arranged inside and below the oven box 1; the threaded rod 11 is arranged inside the protective shell 13; the moving block 10 is arranged on one side of the surface of the threaded rod 11 and is in threaded connection with the threaded rod 11.

[0078] In this embodiment, the threaded rod 11 will push the moving block 10 to move horizontally when rotating.

[0079] The output end of the second motor 12 is fixedly connected with one end of the threaded rod 11 close to the moving block 10.

[0080] In this embodiment, the model of the second motor 12 is selected according to actual needs, which meets the working conditions.

[0081] One end of each set of moving plates 9 is fixedly connected with the moving block 10, and the other end is rotatably connected with the supporting plate 7.

[0082] In this embodiment, the moving block 10 will drive the supporting plate 7 to move synchronously through the moving plate 9.

[0083] The oven heating device further comprises two sets of separation devices, each set of separation device is arranged above the descaling device and located on both sides of the electric heating pipe 2, which is used to prevent impurities from entering the descaling device.

[0084] As shown in Figure 6 and 7 , each set of separation device comprises a separation plate 14 and two sets of rotating plates 15.

[0085] Specifically, the two sets of rotating plates 15 are symmetrically arranged on both sides of the separation plate 14 and rotatably connected with the separation plate 14.

[0086] A groove is formed below the surface of the separation plate 14, and the inner diameter of the groove is the same as the outer diameter of the protective shell 13.

[0087] In this embodiment, the oven box 1 is cut off by making the separation plate 14 and the two sets of rotating plates 15 in the same plane, so as to prevent impurities from entering the descaling device.

[0088] The oven heating device further comprises a rotating device, which is arranged above the oven box 1 and connected with the rotating plate 15, and is used to drive the rotating plate 15 to rotate.

[0089] As shown in Figure 6 and 7 , the rotating device comprises a housing 22, two sets of cylindrical pins 16, two sets of rotating rods 17, two sets of first gears 18, a second gear 19, a third gear 20 and a hand wheel 21.

[0090] Among them, the two sets of cylindrical pins 16 are arranged above the rotating plate 15, and the bottom end of the cylindrical pin 16 is fixedly connected with the top end of the rotating plate 15; one end of each set of rotating rod 17 is provided with a sliding slot, so that the cylindrical pin 16 is arranged in the sliding slot, and the rotating rod 17 is slidably connected with the cylindrical pin 16 through the sliding slot.

[0091] In this embodiment, when the rotating rod 17 rotates, the rotation of the rotating rod 17 will cause the rotation of the cylindrical pin 16 through the sliding between the chute and the cylindrical pin 16, and the cylindrical pin 16 will drive the rotating plate 15 to rotate along the connection with the partition plate 14.

[0092] The two groups of first gears 18 are arranged inside the shell 22, and the axis of each group of first gears 18 is fixedly connected with the other end of the rotating rod 17; the second gear 19 is arranged between the two groups of first gears 18, and the edge of the second gear 19 is meshingly connected with one group of first gears 18.

[0093] In this embodiment, the second gear 19 can drive one group of first gears 18 to rotate.

[0094] The third gear 20 is arranged between the second gear 19 and the other group of first gears 18, and the edge of the third gear 20 is meshingly connected with the second gear 19 and the other group of first gears 18, respectively; the hand wheel 21 is fixedly connected with the axis of the third gear 20.

[0095] In this embodiment, by rotating the hand wheel 21, the third gear 20 can be driven to rotate, and the third gear 20 simultaneously drives the second gear 19 and one group of first gears 18 to rotate in the same direction, while the second gear 19 drives the other group of first gears 18 to rotate, so that the rotating directions of the two groups of first gears 18 are opposite.

[0096] When it is necessary to change the position of the partition plate 14, the user can drive the third gear 20 to rotate by rotating the hand wheel 21, and the third gear 20 simultaneously drives the second gear 19 and one group of first gears 18 to rotate in the same direction, while the second gear 19 drives the other group of first gears 18 to rotate, so that the rotating directions of the two groups of first gears 18 are opposite; the two groups of first gears 18 drive the rotating rod 17 to rotate, and the rotating rod 17 will cause the rotation of the cylindrical pin 16 through the sliding between the chute and the cylindrical pin 16, and the cylindrical pin 16 drives the rotating plate 15 to rotate along the connection with the partition plate 14, so as not to hinder the movement of the descaling device.

[0097] Working principle:

[0098] When the oven heating device is in use, the power supply box 3 provides power for the electric heating pipe 2, and the electric heating pipe 2 will be heated.

[0099] When descaling is needed, the user can drive the third gear 20 to rotate by rotating the hand wheel 21, the third gear 20 drives the second gear 19 and a group of first gears 18 to rotate in the same direction, and the second gear 19 drives the other group of first gears 18 to rotate, so that the rotating directions of the two groups of first gears 18 are opposite; the two groups of first gears 18 drive the rotating rod 17 to rotate, the rotating rod 17 drives the cylindrical pin 16 to revolve through the sliding between the sliding groove and the cylindrical pin 16, the cylindrical pin 16 drives the rotating plate 15 to rotate along the connecting part of the partition plate 14, so that the movement of the descaling device is not hindered.

[0100] Subsequently, the second motor 12 is started, the output end of the second motor 12 drives the threaded rod 11 to rotate, the threaded rod 11 drives the moving block 10 to move horizontally, the moving block 10 drives the support plate 7 to move towards the direction of the electric heating pipe 2 through the moving plate 9; the support plate 7 drives the cleaning piece 4 to move.

[0101] When the cleaning piece 4 is parallel to the electric heating pipe 2, the output end of the electric push rod 25 is retracted, so as to drive the rack 24 to move horizontally, the rack 24 drives the fourth gear 23 to rotate in the horizontal plane, and drives the support plate 7 to rotate, so that the cleaning piece 4 rotates in the horizontal plane, and the cleaning piece 4 parallel to the electric heating pipe 2 is rotated to a position perpendicular to the electric heating pipe 2, so as to be in contact with the electric heating pipe 2.

[0102] Subsequently, the first motor 8 is started, the output end of the first motor 8 drives a group of chain wheels 5 to rotate, the group of chain wheels 5 drives the remaining chain wheels 5 to rotate through the chain 6, and a plurality of groups of chain wheels 5 drive the cleaning piece 4 to rotate at the same time, so that the notch of the cleaning piece 4 wraps the electric heating pipe 2, and as the support plate 7 continues to move horizontally, the cleaning piece 4 can clean the impurities on the surface of the electric heating pipe 2, so that the electric heating pipe 2 can be quickly cleaned without disassembling the electric heating pipe 2, and the use is convenient.

[0103] Although the utility model has been illustrated and described by referring to the preferred embodiments, it should be understood by those skilled in the art that various changes in form and details can be made within the scope of the claims.

Claims

1. An oven heating device, characterized by: The utility model relates to a kind of oven, including: Oven box (1); Multiple groups of electric heating pipes (2) are evenly arranged on the inner wall of the oven box (1), for heating; Power supply box (3) is electrically connected with the electric heating pipe (2), for providing electric energy for the electric heating pipe (2); Two groups of descaling devices are symmetrically arranged on the two sides of the inside of the oven box (1), for descaling the surface of the electric heating pipe (2).

2. The oven heating device of claim 1, wherein: Each group of the descaling device includes: Multiple groups of cleaning pieces (4), the surface of each group of cleaning pieces (4) is provided with two groups of notches; Multiple groups of sprockets (5), the axis of each group of sprocket (5) is fixedly connected with one end of the cleaning piece (4); Chain (6) is arranged on the edge of the sprocket (5), and is engagedly connected with the sprocket (5); Supporting plate (7) is arranged on one end of the sprocket (5) close to the chain (6), and is rotatably connected with the sprocket (5); First motor (8), the output end of the first motor (8) is fixedly connected with the axis of one group of the sprocket (5); First drive assembly, fixedly connected with the supporting plate (7), can drive the supporting plate (7) to rotate; Second drive assembly, connected with the first drive assembly, can push the first drive assembly to move horizontally.

3. The oven heating device of claim 2, wherein: The inner diameter of the notch on the surface of the cleaning piece (4) is the same as the outer diameter of the electric heating pipe (2), so that the cleaning piece (4) can contact the surface of the electric heating pipe (2) when rotating.

4. The oven heating device of claim 2, wherein: The first drive assembly includes: Fourth gear (23) is arranged below the supporting plate (7), and the axis of the fourth gear (23) is fixedly connected with the supporting plate (7); Rack (24) is engagedly connected with the fourth gear (23); Electric push rod (25), the output end of the electric push rod (25) is fixedly connected with one end of the rack (24) away from the fourth gear (23).

5. The oven heating device of claim 2, wherein: The second drive assembly includes: Protective shell (13) is arranged inside the oven box (1) below; Threaded rod (11) is arranged inside the protective shell (13); Moving block (10) is arranged on one side of the surface of the threaded rod (11), and is threadedly connected with the threaded rod (11); Second motor (12), the output end of the second motor (12) is fixedly connected with one end of the threaded rod (11) close to the moving block (10); Two groups of moving plates (9), one end of each group of moving plates (9) is fixedly connected with the moving block (10), and the other end is rotatably connected with the supporting plate (7).

6. The oven heating device of claim 5, wherein: It also includes: Two groups of separation devices, each group of the separation device is arranged above the descaling device, and is located on the two sides of the electric heating pipe (2), for preventing impurities from entering the descaling device.

7. The oven heating device of claim 6, wherein: Each group of the separation device includes: Separation plate (14); Two groups of rotating plates (15) are symmetrically arranged on the two sides of the separation plate (14), and are rotatably connected with the separation plate (14).

8. The oven heating device of claim 7, wherein: The surface of the separation plate (14) is provided with a groove below, and the inner diameter of the groove is the same as the outer diameter of the protective shell (13).

9. The oven heating device of claim 7, wherein: It also includes: A rotating device is arranged above the oven box (1) and connected with the rotating plate (15) to drive the rotating plate (15) to rotate.

10. The oven heating device of claim 9, wherein: The rotating device comprises: a housing (22); two groups of cylindrical pins (16) arranged above the rotating plate (15) and fixedly connected with the top end of the rotating plate (15) at the bottom end; two groups of rotating rods (17), one end of each group of rotating rods (17) is provided with a sliding slot, the cylindrical pin (16) is arranged in the sliding slot, and the rotating rod (17) is slidably connected with the cylindrical pin (16) through the sliding slot; two groups of first gears (18) arranged inside the housing (22), and the other end of the rotating rod (17) is fixedly connected with the axis of each group of first gears (18); a second gear (19) arranged between the two groups of first gears (18), and the edge of the second gear (19) is meshingly connected with one group of first gears (18); a third gear (20) arranged between the second gear (19) and the other group of first gears (18), and the edge of the third gear (20) is respectively meshingly connected with the second gear (19) and the other group of first gears (18); a hand wheel (21) fixedly connected with the axis of the third gear (20).

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