Stirring head structure and stirring device

Abstract

The present application relates to the field of small household appliances, and discloses a stirring head structure, including a stirring shaft, a stirring outer tube, a stirring inner tube, a stirring blade, and a stirring connecting head. The stirring blade is arranged on the stirring shaft, and the stirring shaft is rotatably connected to the stirring inner tube through a bearing. The stirring outer tube sleeves the stirring inner tube inside, and a gap is provided between the stirring outer tube and the stirring inner tube. The stirring outer tube and the stirring inner tube are fixedly connected to the stirring connecting head. The stirring shaft is connected to the stirring inner tube through a sliding bearing. The present application also provides a stirring device, which includes the above-mentioned stirring head structure. The present application avoids the heat of the stirring head structure from being transferred to the food, and improves the quality of the food stirred by the stirring head structure; at the same time, the stirring shaft is rotatably connected to the stirring inner tube through a bearing, and the bearing reduces the vibration and noise of the stirring head structure and the stirring device.

Description

Technical Field

[0001] The present application relates to the technical field of small household appliances, and more specifically, to a stirring head structure and a stirring device. Background Art

[0002] In the process of food processing, people often need to stir the food with a stirring device to improve the uniformity of the food. Existing food stirring devices are generally made by welding a stirring head to a stirring shaft, and the stirring shaft of the food stirring device is sleeved with a bearing. The heat generated by the bearing and the stirring shaft during rotation will be transferred to the stirring shaft, and the heat on the stirring shaft will further be transferred to the stirred food through the stirring shaft, which may affect the flavor of the food stirred by the stirring device, and even the original nutrients in the food may produce chemical reactions due to the increase in temperature, affecting the nutritional value of the food.

[0003] For example, patent CN208491876U (application number: 201820282097.3) provides a food stirring head, including a main body, a stirring head connecting outer shell fixedly arranged on the outer side of the main body away from the sliding switch, a stirring head connecting piece fixedly arranged on the inner side of the stirring head connecting outer shell, a stirring head assembly fixedly arranged on the inner side of the stirring head connecting piece away from the stirring head connecting outer shell, a stirring head fixedly arranged on the inner side of the stirring head assembly away from the stirring head connecting piece, a stirring head fixedly arranged on the outer wall surface of the upper end of the stirring head assembly, and the stirring head connecting piece buckle fixedly connected to the stirring head connecting piece. When the food stirring head in patent CN208491876U is in use, heat may be transferred to the food through the stirring head and the stirring mechanism, affecting the flavor and nutritional value of the food. Utility Model Content

[0004] The purpose of the present application is to provide a stirring head structure and a stirring device, which solves the technical problem that the heat of the stirring head structure is easily transferred to the food, and achieves the technical effect of preventing the heat of the stirring head structure from being transferred to the food; at the same time, the stirring shaft is rotatably connected to the stirring inner tube through a bearing, and the bearing reduces the vibration and noise of the stirring head structure and the stirring device.

[0005] A stirring head structure provided in an embodiment of the present application includes a stirring shaft, an outer stirring tube, an inner stirring tube, a stirring blade and a stirring connecting head. The stirring blade is arranged on the stirring shaft. The stirring shaft is rotatably connected to the inner stirring tube through a bearing. The outer stirring tube sleeves the inner stirring tube inside. A gap is provided between the outer stirring tube and the inner stirring tube. The outer stirring tube and the inner stirring tube are fixedly connected to the stirring connecting head.

[0006] In a possible implementation, the stirring shaft is connected to the stirring inner tube via a sliding bearing.

[0007] In another possible implementation, a first bearing and a second bearing are respectively provided on the stirring inner tube, and the first bearing and the second bearing are respectively provided close to two ends of the stirring shaft.

[0008] In another possible implementation, a first shock-absorbing rubber ring is provided between the first bearing and the stirring inner tube, and a second shock-absorbing rubber ring is provided between the second bearing and the stirring inner tube.

[0009] In another possible implementation, a retaining ring is provided on the inner wall of the inner stirring tube, and the second shock-absorbing rubber ring is provided between the retaining ring and the second bearing.

[0010] In another possible implementation, a stirring connecting head cover for closing a gap between the inner tube of the stirring inner tube and the stirring shaft is provided at the end of the stirring inner tube.

[0011] In another possible implementation, the stirring connector cover is connected to the stirring connector.

[0012] In another possible implementation, a fixed shell is connected to the stirring outer tube, and the fixed shell is sleeve-connected to the stirring connecting head.

[0013] In another possible implementation, a stirring cover is connected to the stirring outer tube, and the stirring cover surrounds the stirring blade.

[0014] An embodiment of the present application also provides a stirring device, which includes the above-mentioned stirring head structure.

[0015] Compared with the prior art, the embodiments of the present invention have the following beneficial effects:

[0016] The embodiment of the present application provides a stirring head structure, including a stirring shaft, a stirring outer tube, a stirring inner tube, a stirring blade and a stirring connecting head, wherein the stirring blade is arranged on the stirring shaft, the stirring shaft is rotatably connected to the stirring inner tube through a bearing, the stirring outer tube sleeves the stirring inner tube, a gap is arranged between the stirring outer tube and the stirring inner tube, and the stirring outer tube and the stirring inner tube are fixedly connected to the stirring connecting head. When the stirring head structure in the embodiment of the present application is used, the heat of the stirring head structure is avoided from being transferred to the food, thereby improving the quality of the food stirred by the stirring head structure; at the same time, the stirring shaft is rotatably connected to the stirring inner tube through a bearing, and the bearing reduces the vibration and noise of the stirring head structure and the stirring device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0018] Figure 1 A schematic cross-sectional structure diagram of a stirring head structure provided in an embodiment of the present application;

[0019] Figure 2 A schematic diagram of a local structure of a stirring connector provided in an embodiment of the present application;

[0020] Figure 3 A schematic diagram of the local structure of a stirring blade provided in an embodiment of the present application;

[0021] Figure 4 A schematic diagram of a three-dimensional decomposition structure of a stirring head structure provided in an embodiment of the present application;

[0022] Figure 5 It is a schematic diagram of a partial cross-sectional structure of an existing stirring head structure;

[0023] In the figure, 1, stirring shaft; 11, first bearing; 111, first shock-absorbing rubber ring; 12, second bearing; 121, second shock-absorbing rubber ring; 2, stirring outer tube; 21, fixed shell; 22, stirring cover; 3, stirring inner tube; 31, retaining ring; 4, stirring blade; 5, stirring connector; 51, stirring connector cover. DETAILED DESCRIPTION

[0024] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0025] It should be noted that when a component or structure is referred to as being "fixed to" or "disposed on" another component or structure, it may be directly on the other component or structure or indirectly on the other component or structure. When a component or structure is referred to as being "connected to" another component or structure, it may be directly connected to the other component or structure or indirectly connected to the other component or structure.

[0026] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or a component or structure referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0027] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0028] When the existing food stirring head is in use, heat may be transferred to the food through the stirring head and the stirring mechanism, thereby affecting the flavor and nutritional value of the food.

[0029] Based on the above reasons, the embodiment of the present application provides a stirring head structure, including a stirring shaft, a stirring outer tube, a stirring inner tube, a stirring blade and a stirring connecting head, wherein the stirring blade is arranged on the stirring shaft, the stirring shaft is rotatably connected to the stirring inner tube through a bearing, the stirring outer tube sleeves the stirring inner tube, a gap is arranged between the stirring outer tube and the stirring inner tube, and the stirring outer tube and the stirring inner tube are fixedly connected to the stirring connecting head. When the stirring head structure in the embodiment of the present application is in use, the heat of the stirring head structure is avoided from being transferred to the food, thereby improving the quality of the food stirred by the stirring head structure; at the same time, the stirring shaft is rotatably connected to the stirring inner tube through a bearing, and the bearing reduces the vibration and noise of the stirring head structure and the stirring device.

[0030] In some scenarios, a stirring head structure of an embodiment of the present application can be applied to a stirring device, which may be a handheld stirring device or a desktop stirring device. It can prevent the heat of the stirring head structure from being transferred to the food during the use of the stirring device, thereby improving the quality of the food stirred by the stirring head structure.

[0031] A stirring head structure provided in an embodiment of the present application is described in detail below with reference to specific examples.

[0032] Figure 1 A schematic cross-sectional view of a stirring head structure provided in an embodiment of the present application. Figure 2 A schematic diagram of a local structure of a stirring connector provided in an embodiment of the present application, Figure 3 This is a schematic diagram of the local structure of a stirring blade provided in an embodiment of the present application. Figure 4 A schematic diagram of a three-dimensional decomposition structure of a stirring head structure provided in an embodiment of the present application is shown in FIG. Figures 1 to 4 As shown, the stirring head structure includes a stirring shaft 1, a stirring outer tube 2, a stirring inner tube 3, a stirring blade 4 and a stirring connecting head 5. The stirring blade 4 is arranged on the stirring shaft 1. The stirring shaft 1 is rotatably connected to the stirring inner tube 3 through a bearing. The stirring outer tube 2 sleeves the stirring inner tube 3 therein. A gap is provided between the stirring outer tube 2 and the stirring inner tube 3. The stirring outer tube 2 and the stirring inner tube 3 are fixedly connected to the stirring connecting head 5.

[0033] like Figures 1 to 4 As shown, the stirring shaft 1 is used to transmit power to stir the food materials, and the stirring blade 4 is arranged on the stirring shaft 1 . The stirring blade 4 stirs the food materials under the drive of the stirring shaft 1 .

[0034] Structurally, the stirring shaft 1 is rotatably connected to the stirring inner tube 3 via a bearing. The stirring inner tube 3 is used to position the stirring shaft 1 to improve the stability of the stirring shaft 1 during the stirring process.

[0035] Structurally, the outer stirring tube 2 is used to prevent heat from being transferred to the food. The outer stirring tube 2 is connected to the inner stirring tube 3, and a gap is provided between the outer stirring tube 2 and the inner stirring tube 3, so that heat is not directly transferred from the inner stirring tube 3 to the food, thereby preventing the heat of the stirring head structure from being transferred to the food.

[0036] like Figures 1 to 4 As shown, the outer stirring tube 2 and the inner stirring tube 3 are fixedly connected to the stirring connector 5, so that the stirring connector 5 can fix the outer stirring tube 2 and the inner stirring tube 3, thereby improving the stability of the stirring head structure.

[0037] Exemplarily, the stirring shaft 1 , the stirring outer tube 2 , the stirring inner tube 3 and the stirring blade 4 may be made of stainless steel.

[0038] When in use, the stirring shaft 1 can be connected to a driving component of the stirring device, and then the stirring shaft 1 is driven to rotate by the driving component.

[0039] Structurally, the stirring connector 5 can be connected to the stirring device, and the stirring head structure can be installed through the stirring connector 5.

[0040] Figure 5 FIG. 1 is a schematic diagram of a partial cross-sectional structure of an existing stirring head structure, such as Figure 5 As shown, the existing stirring head structure includes a first stirring shaft 1a and a first stirring outer tube 2a. The first stirring shaft 1a is rotatably connected to the first stirring outer tube 2a through a bearing. When the first stirring shaft 1a rotates, the heat generated by the bearing will be conducted to the first stirring outer tube 2a. The heat on the first stirring outer tube 2a is conducted to the food and may affect the flavor and quality of the food.

[0041] The beneficial effect brought about by the above-mentioned implementation method is that the stirring outer tube is sleeved inside the stirring inner tube, and a gap is provided between the stirring outer tube and the stirring inner tube, so that heat is not directly transferred from the stirring inner tube to the food, thereby preventing the heat of the stirring head structure from being transferred to the food.

[0042] In some implementations, the stirring shaft 1 is rotatably connected in the stirring inner tube 3 via a sliding bearing.

[0043] like Figure 2As shown, the stirring shaft 1 is rotatably connected in the stirring inner tube 3 via a sliding bearing. The sliding bearing has no rolling element structure, which reduces the outer diameter of the bearing and the volume of the stirring head structure.

[0044] Illustratively, the sliding bearing may be a powder metallurgy bearing.

[0045] The beneficial effect brought about by the above implementation method is that the outer diameter of the bearing is reduced, and the volume of the stirring head structure is reduced.

[0046] In some implementations, a first bearing 11 and a second bearing 12 are respectively provided on the stirring inner tube 3 , and the first bearing 11 and the second bearing 12 are arranged near two ends of the stirring shaft 1 .

[0047] like Figure 1 As shown, the stirring inner tube 3 is provided with a first bearing 11 and a second bearing 12 , respectively. The first bearing 11 and the second bearing 12 are respectively arranged close to the two ends of the stirring shaft 1 , thereby improving the stability of the two ends of the stirring shaft 1 .

[0048] Exemplarily, the second bearing 12 may be disposed at the end of the stirring shaft 1 , thereby improving the stability of the end of the stirring shaft 1 .

[0049] Exemplarily, the first bearing 11 and the second bearing 12 may be limitedly disposed on the stirring shaft 1 by a retaining spring, so as to facilitate fixing the first bearing 11 and the second bearing 12 .

[0050] The beneficial effect brought about by the above implementation method is that the stability of the two ends of the stirring shaft is improved by arranging the two bearings close to the two ends of the stirring shaft respectively.

[0051] In some implementations, a first shock-absorbing rubber ring 111 is provided between the first bearing 11 and the stirring inner tube 3 , and a second shock-absorbing rubber ring 121 is provided between the second bearing 12 and the stirring inner tube 3 .

[0052] like Figure 1 As shown, a first shock-absorbing rubber ring 111 is provided between the first bearing 11 and the stirring inner tube 3, and the first shock-absorbing rubber ring 111 can reduce vibration between the first bearing 11 and the stirring inner tube 3; a second shock-absorbing rubber ring 121 is provided between the second bearing 12 and the stirring inner tube 3, and the second shock-absorbing rubber ring 121 can reduce vibration between the second bearing 12 and the stirring inner tube 3, thereby reducing the vibration and noise of the stirring head structure.

[0053] The beneficial effect brought about by the above implementation method is that the vibration and noise of the stirring head structure are reduced by the shock-absorbing rubber ring.

[0054] The beneficial effect brought about by the above implementation method is that the first shock-absorbing rubber ring and the second shock-absorbing rubber ring can prevent debris from entering between the stirring shaft and the stirring inner tube.

[0055] The beneficial effect brought about by the above implementation method is that the second shock-absorbing rubber can seal between the second bearing and the stirring inner tube, thereby preventing food from entering between the stirring shaft and the stirring inner tube.

[0056] In some implementations, a retaining ring 31 is provided on the inner wall of the stirring inner tube 3 , and the second shock-absorbing rubber ring 121 is provided between the retaining ring 31 and the second bearing 12 .

[0057] like Figure 3 As shown, a retaining ring 31 is provided on the inner wall of the stirring inner tube 3 , and the second shock-absorbing rubber ring 121 is provided between the retaining ring 31 and the second bearing 12 . The retaining ring 31 is used to limit and fix the second shock-absorbing rubber ring 121 and the second bearing 12 .

[0058] Exemplarily, the retaining ring 31 may be disposed at the end of the stirring inner tube 3 .

[0059] The beneficial effect brought about by the above implementation method is that the shock-absorbing rubber ring and the bearing can be easily fixed by the retaining ring.

[0060] In some implementations, a stirring connector cover 51 is provided at the end of the stirring inner tube 3 for closing the gap between the inner tube of the stirring inner tube 3 and the stirring shaft 1 .

[0061] like Figure 2 As shown, the end of the stirring inner tube 3 is provided with a stirring connecting head cover 51 for closing the gap between the inner tube of the stirring inner tube 3 and the stirring shaft 1. The stirring connecting head cover 51 can shield the top of the stirring inner tube to prevent dust and debris from entering the stirring inner tube 3.

[0062] Structurally, the outer side wall of the stirring inner tube 3 can be sleeved and connected to the stirring connecting head 5, thereby facilitating the fixing of the stirring inner tube 3.

[0063] The beneficial effect brought about by the above-mentioned implementation method is that the stirring connecting head cover can cover the top of the stirring inner tube to prevent dust and debris from entering the stirring inner tube.

[0064] In some implementations, the stirring connector cover 51 is connected to the stirring connector 5 .

[0065] like Figure 2 As shown, the stirring connector cover 51 is connected to the stirring connector 5, which is convenient for fixing the stirring connector cover 51.

[0066] Exemplarily, a flange structure may be provided on the stirring connector cover 51 , and the stirring connector cover 51 is connected to the stirring connector 5 via the flange structure.

[0067] The beneficial effect brought about by the above implementation method is that it is easy to fix the stirring connector cover.

[0068] In some implementations, a fixed shell 21 is connected to the stirring outer tube 2 , and the fixed shell 21 is sleeve-connected to the stirring connecting head 5 .

[0069] like Figure 2 As shown, a fixed shell 21 is connected to the stirring outer tube 2, and the fixed shell 21 is used to fix the stirring outer tube 2. By sleeve-connecting the fixed shell 21 to the stirring connecting head 5, the stirring outer tube 2 can be easily fixed.

[0070] The beneficial effect brought about by the above implementation method is that the fixing shell is sleeved and connected to the stirring connecting head to fix the stirring outer tube, thereby improving the stability of the stirring outer tube.

[0071] In some implementations, a stirring cover 22 is connected to the stirring outer tube 2 , and the stirring cover 22 surrounds the stirring blade 4 .

[0072] like Figure 1 and Figure 3 As shown, a stirring cover 22 is connected to the stirring outer tube 2 , and the stirring cover 22 surrounds the stirring blade 4 . The stirring cover 22 can enclose the food to prevent the food from being thrown out when being stirred by the stirring blade 4 .

[0073] The embodiment of the present application also provides a stirring device, which includes the stirring head structure. When the stirring device is in use, the heat of the stirring head structure will not be transferred to the food, thereby ensuring the original quality and flavor of the food and improving the use effect of the stirring device.

[0074] It should be noted that the stirring device can be a handheld stirring device or a desktop stirring device, and the embodiments of the present application do not limit the fixing form and usage of the stirring device.

[0075] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A stirring head structure, characterized in that: The invention comprises a stirring shaft (1), a stirring outer tube (2), a stirring inner tube (3), a stirring blade (4) and a stirring connecting head (5), wherein the stirring blade (4) is arranged on the stirring shaft (1), the stirring shaft (1) is rotatably connected in the stirring inner tube (3) via a bearing, the stirring outer tube (2) sleeves the stirring inner tube (3) therein, a gap is arranged between the stirring outer tube (2) and the stirring inner tube (3), and the stirring outer tube (2) and the stirring inner tube (3) are fixedly connected to the stirring connecting head (5).

2. The stirring head structure according to claim 1, characterized in that: The stirring shaft (1) is connected to the stirring inner tube (3) via a sliding bearing.

3. The stirring head structure according to claim 2, characterized in that: A first bearing (11) and a second bearing (12) are respectively provided on the stirring inner tube (3), and the first bearing (11) and the second bearing (12) are respectively arranged close to two ends of the stirring shaft (1).

4. The stirring head structure according to claim 3, characterized in that: A first shock-absorbing rubber ring (111) is provided between the first bearing (11) and the stirring inner tube (3), and a second shock-absorbing rubber ring (121) is provided between the second bearing (12) and the stirring inner tube (3).

5. The stirring head structure according to claim 4, characterized in that: A retaining ring (31) is provided on the inner side wall of the stirring inner tube (3), and a second shock-absorbing rubber ring (121) is provided between the retaining ring (31) and the second bearing (12).

6. The stirring head structure according to claim 5, characterized in that: The end of the stirring inner tube (3) is provided with a stirring connection head cover (51) for closing the gap between the inner tube of the stirring inner tube (3) and the stirring shaft (1).

7. The stirring head structure according to claim 6, characterized in that: The stirring connection head cover (51) is connected to the stirring connection head (5).

8. The stirring head structure according to claim 7, characterized in that: The stirring outer tube (2) is connected to a fixed shell (21), and the fixed shell (21) is sleeve-connected to the stirring connecting head (5).

9. The stirring head structure according to claim 8, characterized in that: The stirring outer tube (2) is connected to a stirring cover (22), and the stirring cover (22) surrounds the stirring blade (4).

10. A stirring device, characterized in that: The invention comprises the stirring head structure according to any one of claims 1 to 9.

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