Baking oven built-in rack lifting mechanism and baking oven

Abstract

The lifting mechanism comprises a shell, an oven door is arranged on the front side face of the shell, a handle and a fixing cover are installed on the front side face of the oven door, and the fixing cover is fixedly installed on the top face of the shell. The driving mechanism is arranged on the inner wall surface of the fixed cover; the lifting mechanism is connected with the driving mechanism; and the rotating mechanism is connected with the driving mechanism. According to the oven built-in rack lifting mechanism and the oven, baked food can be lifted and moved in a reciprocating mode, the food is evenly and effectively heated through rotation of the heating pipe, the food baking effect is improved, operation is easy, convenient and flexible, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of ovens, in particular to a built-in shelf lifting mechanism for an oven and an oven. Background Art

[0002] An oven is a sealed appliance used to bake food or dry products. It is divided into household appliances and industrial ovens. Household ovens have become a common appliance in family life. We can use it to make roast chicken, roast duck, bake bread, cakes, etc. However, existing ovens still have certain defects, such as:

[0003] The “Oven” with application number CN202122664561.X has a fixed heat source during use, and different positions in the oven inner tank are heated unevenly, making it difficult to heat the food evenly and effectively, affecting the baking effect of the food. There are limitations in use. In view of this, an oven with a built-in shelf lifting mechanism and an oven are proposed to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a built-in shelf lifting mechanism for an oven and an oven, so as to solve the problem in the above background technology that the existing ovens are difficult to heat food evenly and effectively, which affects the baking effect of food.

[0005] To achieve the above object, the utility model provides the following technical solution: a built-in shelf lifting mechanism for an oven, comprising a shell, a box door is arranged on the front side of the shell, and a handle is installed on the front side of the box door.

[0006] A fixed cover, the fixed cover is fixedly mounted on the top surface of the shell;

[0007] A driving mechanism, wherein the driving mechanism is arranged on the inner wall surface of the fixed cover;

[0008] A lifting mechanism connected to the driving mechanism;

[0009] A rotating mechanism is connected to the driving mechanism.

[0010] The above technical solution is adopted to facilitate uniform and effective heating of food and improve the food baking effect.

[0011] As a preferred technical solution of the utility model, the driving mechanism includes:

[0012] A motor, the motor being fixedly mounted on the right inner wall surface of the fixed cover;

[0013] A drive shaft, the right end of which is keyed to the shaft end of the motor, and the left end of which is bearing-connected to the left inner wall of the fixed cover;

[0014] A driving gear, two symmetrically arranged driving gears are fixedly sleeved on the driving shaft;

[0015] A rotating shaft, the left and right ends of which are respectively connected to the left and right inner wall bearings of the fixed cover;

[0016] The driven gear is fixedly sleeved on the rotating shaft and meshedly connected with the driving gear.

[0017] By adopting the above technical solution, when the driving shaft rotates, the rotating shaft can be rotated through the action of the driving gear and the driven gear.

[0018] As a preferred technical solution of the utility model, the gear ratio between the driving gear and the driven gear is 1:4.

[0019] The adoption of the technical solution can save effort when the driving gear drives the driven gear to rotate.

[0020] As a preferred technical solution of the utility model, the lifting mechanism includes:

[0021] Chambers, wherein two symmetrically arranged chambers are respectively opened inside the left and right side walls of the shell;

[0022] A reciprocating screw rod, the bottom end of which is connected to the bottom bearing of the chamber, and the reciprocating screw rod bearing passes through the interior of the fixed cover;

[0023] A bevel gear set, the bevel gear set is mounted on the rotating shaft, and the bevel gear set is fixedly connected to the top end of the reciprocating screw;

[0024] A slide rod, the slide rod is slidably connected to the outer wall of the chamber, the reciprocating screw rod passes through the slide rod, and the reciprocating screw rod is threadedly connected to the slide rod;

[0025] A slide groove, wherein two symmetrically arranged slide grooves are respectively opened on the left and right inner walls of the shell, and the slide grooves are connected to the chamber, and the slide rod passes through the slide grooves;

[0026] A grill is installed on the inner end of the slide bar.

[0027] By adopting the above technical solution, when the rotating shaft rotates, the reciprocating screw rod is driven to rotate through the bevel gear set, so that the sliding rod drives the grill to move back and forth.

[0028] As a preferred technical solution of the utility model, the rotating mechanism includes:

[0029] A circular ring, wherein two symmetrically arranged circular rings are respectively connected to the left and right inner wall bearings of the shell, and the circular rings are sleeved on the outer side of the slide rod;

[0030] A transmission gear, the transmission gear is fixedly sleeved on the outer wall surface of the ring, and the transmission gear is meshed and connected with the driven gear, and the driven gear passes through the through slot opened on the top surface of the shell;

[0031] The heating tubes are evenly installed on the inner wall surface of the ring.

[0032] By adopting the above technical solution, when the driven gear rotates, the ring is driven to rotate through the transmission gear, so that the heating tube rotates.

[0033] As a preferred technical solution of the utility model, the circular ring is sleeved on the outer side of the sliding rod, and the distance between the two circular rings is greater than the length of the grill.

[0034] The above technical solution is adopted to ensure that the grill can be effectively moved.

[0035] An oven is provided with the above-mentioned built-in shelf lifting mechanism.

[0036] Compared with the prior art, the utility model has the following beneficial effects: the built-in shelf lifting mechanism and the oven can reciprocate the lifting and lowering of the baked food, and the rotation of the heating tube can achieve uniform and effective heating of the food, thereby improving the baking effect of the food, and the operation is simple and flexible, and the practicability is strong;

[0037] 1. Start the motor to make the driving shaft drive the active gear to rotate, so that the driven gear drives the rotating shaft to rotate, and the reciprocating screw rod rotates through the action of the bevel gear set, and then the sliding rod drives the grill to move back and forth, so that the food on the grill can move back and forth synchronously;

[0038] 2. When the driven gear rotates, the ring and the heating tube are driven to rotate through the transmission gear, so that the food can be evenly heated during the reciprocating movement of the food, thereby improving the effect of baking the food. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0040] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0041] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0042] Figure 4This is a schematic diagram of the three-dimensional connection structure of the sliding rod, the reciprocating screw rod and the grill of the utility model;

[0043] Figure 5 It is a schematic diagram of the side view connection structure of the circular ring, the transmission gear and the heating tube of the utility model.

[0044] In the figure: 1. shell; 2. door; 3. handle; 4. fixed cover; 5. motor; 6. drive shaft; 7. driving gear; 8. rotating shaft; 9. driven gear; 10. chamber; 11. reciprocating screw; 12. bevel gear set; 13. slide rod; 14. slide groove; 15. grill; 16. ring; 17. transmission gear; 18. heating pipe; 19. through groove. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0046] See also Figure 1-5 The technical solution of the utility model is: an oven built-in shelf lifting mechanism and an oven, comprising a shell 1, a box door 2 is arranged on the front side of the shell 1, and a handle 3 is installed on the front side of the box door 2, and a fixed cover 4 is fixedly installed on the top surface of the shell 1;

[0047] The motor 5 is fixedly mounted on the right inner wall of the fixed cover 4, the right end of the driving shaft 6 is keyed to the shaft end of the motor 5, and the left end of the driving shaft 6 is bearing-connected to the left inner wall of the fixed cover 4, two symmetrically arranged driving gears 7 are fixedly sleeved on the driving shaft 6, the left and right ends of the rotating shaft 8 are respectively connected to the left and right inner wall bearings of the fixed cover 4, the driven gear 9 is fixedly sleeved on the rotating shaft 8, and the driven gear 9 is meshed and connected with the driving gear 7, and the gear ratio of the driving gear 7 to the driven gear 9 is 1:4;

[0048] Two symmetrically arranged chambers 10 are respectively opened inside the left and right side walls of the shell 1, the bottom end of the reciprocating screw 11 is connected to the bottom bearing of the chamber 10, and the bearing of the reciprocating screw 11 penetrates into the interior of the fixed cover 4, the bevel gear set 12 is installed on the rotating shaft 8, and the bevel gear set 12 is fixedly connected to the top of the reciprocating screw 11, the slide rod 13 is slidably connected to the outer wall of the chamber 10, and the reciprocating screw 11 penetrates the slide rod 13, and the reciprocating screw 11 is threadedly connected to the slide rod 13, the two symmetrically arranged slide grooves 14 are respectively opened on the left and right inner walls of the shell 1, and the slide groove 14 is connected to the chamber 10, and the slide rod 13 penetrates the slide groove 14, and the grill 15 is installed on the inner end of the slide rod 13;

[0049] The two symmetrically arranged rings 16 are respectively connected to the left and right inner wall bearings of the shell 1, and the rings 16 are sleeved on the outside of the slide bar 13. The transmission gear 17 is fixedly sleeved on the outer wall of the rings 16, and the transmission gear 17 is meshed and connected with the driven gear 9, and the driven gear 9 passes through the through groove 19 opened on the top surface of the shell 1. The heating tube 18 is evenly installed on the inner wall of the rings 16. The rings 16 are sleeved on the outside of the slide bar 13, and the distance between the two rings 16 is greater than the length of the grill 15.

[0050] Working principle: When in use, place the food to be grilled on the grill 15, close the door 2, start the motor 5 to make the driving shaft 6 drive the driving gear 7 to rotate, so that the driven gear 9 meshing with the driving gear 7 drives the rotating shaft 8 to rotate synchronously, so that the reciprocating screw rod 11 is rotated through the action of the bevel gear set 12, and then the slide rod 13 drives the grill 15 to reciprocate, so as to realize the reciprocating movement of the food;

[0051] As the driven gear 9 rotates, the transmission gear 17 meshing with the driven gear 9 drives the ring 16 to rotate, so that the ring 16 drives the heating tube 18 to rotate synchronously, thereby ensuring uniform heating of the food and improving the baking effect of the food. The contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0052] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A built-in shelf lifting mechanism for an oven, comprising a housing (1), a housing door (2) being arranged on the front side of the housing (1), and a handle (3) being installed on the front side of the housing door (2), characterized in that: Also includes: A fixed cover (4), the fixed cover (4) being fixedly mounted on the top surface of the housing (1); A driving mechanism, the driving mechanism being arranged on the inner wall surface of the fixed cover (4); A lifting mechanism connected to the driving mechanism; A rotating mechanism is connected to the driving mechanism.

2. The oven built-in shelf lifting mechanism according to claim 1, characterized in that: The driving mechanism comprises: A motor (5), wherein the motor (5) is fixedly mounted on the right inner wall surface of the fixed cover (4); A drive shaft (6), the right end of the drive shaft (6) being key-connected to the shaft end of the motor (5), and the left end of the drive shaft (6) being bearing-connected to the left inner wall surface of the fixed cover (4); A driving gear (7), wherein two symmetrically arranged driving gears (7) are fixedly sleeved on the driving shaft (6); A rotating shaft (8), the left and right ends of the rotating shaft (8) are respectively connected to the left and right inner wall bearings of the fixed cover (4); A driven gear (9), wherein the driven gear (9) is fixedly sleeved on the rotating shaft (8), and the driven gear (9) is meshingly connected with the driving gear (7).

3. The oven built-in shelf lifting mechanism according to claim 2, characterized in that: The gear ratio between the driving gear (7) and the driven gear (9) is 1:

4.

4. The oven built-in shelf lifting mechanism according to claim 2, characterized in that: The lifting mechanism comprises: Chambers (10), wherein two symmetrically arranged chambers (10) are respectively opened inside the left and right side walls of the shell (1); A reciprocating screw rod (11), the bottom end of which is connected to a bearing on the bottom surface of the chamber (10), and the bearing of the reciprocating screw rod (11) penetrates into the interior of the fixed cover (4); A bevel gear set (12), wherein the bevel gear set (12) is mounted on the rotating shaft (8), and the bevel gear set (12) is fixedly connected to the top end of the reciprocating screw rod (11); A slide rod (13), wherein the slide rod (13) is slidably connected to the outer wall surface of the chamber (10), and the reciprocating screw rod (11) is arranged to penetrate the slide rod (13), and the reciprocating screw rod (11) is threadedly connected to the slide rod (13); A slide groove (14), wherein two symmetrically arranged slide grooves (14) are respectively opened on the left and right inner walls of the housing (1), and the slide groove (14) is connected to the chamber (10), and the slide rod (13) passes through the slide groove (14); A grill (15), wherein the grill (15) is installed on the inner end of the slide bar (13).

5. The oven built-in shelf lifting mechanism according to claim 4, characterized in that: The rotating mechanism comprises: A circular ring (16), wherein two symmetrically arranged circular rings (16) are respectively connected to the left and right inner wall bearings of the housing (1), and the circular rings (16) are sleeved on the outer side of the sliding rod (13); a transmission gear (17), the transmission gear (17) being fixedly sleeved on the outer wall surface of the ring (16), the transmission gear (17) being meshingly connected with the driven gear (9), and the driven gear (9) being arranged to penetrate a through slot (19) provided on the top surface of the housing (1); A heating tube (18), wherein the heating tube (18) is evenly installed on the inner wall surface of the circular ring (16).

6. The oven built-in shelf lifting mechanism according to claim 5, characterized in that: The circular ring (16) is sleeved on the outer side of the sliding rod (13), and the distance between the two circular rings (16) is greater than the length of the grill (15).

7. An oven, characterized in that The invention is applied with the oven built-in rack lifting mechanism according to any one of claims 1 to 6.

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