Base for mounting shifting fork assembly in frying pan device

Abstract

The utility model relates to the technical field of cooking equipment, and discloses a base used for installing a shifting fork assembly in a frying pan device, the base comprises a shaft channel used for installation, the base comprises a top panel of the base, an inner cylinder and an outer cylinder, the inner cylinder and the outer cylinder are coaxial and different in diameter, the shaft channel is arranged in the inner cylinder, and the shaft channel is arranged in the outer cylinder. The middle of the top panel extends upwards to form a boss with a hollow channel which is coaxial and communicated with the shaft channel, external threads are arranged on the outer circumferential wall of the inner cylinder, and internal threads matched with the external threads are arranged on the inner circumferential wall of the upper portion of a hollow pot shaft of the frying pot device. According to the base, a shifting fork assembly at the bottom of the frying pan can be rapidly installed, and meanwhile dynamic sealing in the shifting fork moving process and static sealing of fluid in the frying pan can be achieved. The assembling process is simplified, the production efficiency is improved, and meanwhile maintenance is convenient.

Description

Technical Field

[0001] The utility model relates to the field of cooking utensils, in particular to a base for installing a fork assembly in a frying pan device. Background Art

[0002] The existing intelligent cooking machines are all equipped with stirring blades in the wok device to stir the ingredients, so as to cook delicious dishes by imitating the cooking action of people. However, the driving and installation methods of the stirring blades are different.

[0003] As the utility model patent (name: a wok device; application number: 202021783888.8; authorization announcement number: CN212521499U) submitted by the applicant to the State Intellectual Property Office on August 24, 2020, discloses a wok device, including a wok, a stirring blade and a vertical motor. A rotating shaft with an axial channel is fixedly connected to the bottom of the wok. The vertical motor is fixed in the rotating shaft and connected to the stirring blade in the wok through the driving shaft and drives the stirring blade to rotate relative to the wok. A bearing seat with a hollow channel and sleeved on the relay shaft is embedded in the center hole at the bottom of the wok. The outer wall of the bearing seat is a stepped outer wall. The stepped outer wall is provided with at least two steps arranged along the axial direction. The outer peripheral wall of the lower step on the outer wall of the bearing seat is fixedly connected to the inner wall of the rotating shaft. The outer peripheral wall of the middle step on the outer wall of the bearing seat is tightly connected to the hole wall of the center hole. The outer peripheral wall of the upper step on the outer wall of the bearing seat is an external thread structure and is placed in the wok. A waterproof end cap with internal threads is connected to the upper step, and an opening is provided on the top of the waterproof end cap to allow the relay shaft to pass through, and a cylindrical oil seal pressure piece sleeved on the relay shaft is provided at the opening. The bearing seat is used to support the relay shaft, and the waterproof end cap is used to prevent food or water stains in the wok from entering the rotating shaft and causing damage to the vertical motor.

[0004] The above structure has the following deficiencies:

[0005] 1) First install the bearing seat to support the rotating shaft, and then install the waterproof end cover for protection. The structure is complicated and the installation is inconvenient.

[0006] 2) The bearing seat is fixedly connected to the rotating shaft. When the docking shaft needs to be disassembled for maintenance, the bearing seat must be disassembled first, and the entire disassembly process is cumbersome. Summary of the invention

[0007] The technical problem to be solved by the utility model is to provide a base for installing a fork assembly in a frying pan device which has a simple structure, is convenient to assemble and disassemble, and integrates multiple installation positions into one.

[0008] In order to solve the above technical problems, the utility model provides a base for installing a fork assembly in a frying pan device, the base comprising a top panel, an inner cylinder and an outer cylinder with coaxial but different diameters, an axial channel for installing a fork shaft being provided in the inner cylinder, a boss with a hollow channel coaxial with and communicating with the axial channel extending upward from the middle of the top panel, an external thread being provided on the outer peripheral wall of the inner cylinder, and an internal thread matching the external thread being provided on the inner peripheral wall of the upper part of the hollow pot shaft of the frying pan device.

[0009] Preferably, the diameter of the hollow passage is smaller than the diameter of the shaft passage, and a bearing assembly for rotatably supporting the fork shaft in the inner cylinder is provided in the shaft passage.

[0010] Preferably, the bearing assembly consists of an upper bearing, a lower bearing and a support ring supporting the upper bearing and the lower bearing. The inner rings of the upper bearing and the lower bearing are sleeved on the fork shaft through the support ring, and the outer ring is embedded in the shaft channel.

[0011] Preferably, an oil seal sleeved on the fork shaft is provided in the hollow channel.

[0012] Preferably, an annular baffle extending horizontally inwardly along the top surface of the boss is provided at the top of the hollow channel, and the upper end surface of the oil seal is pressed under the annular baffle.

[0013] Preferably, an annular groove is provided on the bottom edge of the outer cylinder, and a sealing ring is provided in the annular groove.

[0014] Preferably, the outer contour of the horizontal section of the boss is a regular polygon.

[0015] Preferably, the upper end of the fork shaft is a D-shaped structure, and a D-shaped cavity is provided in the middle of a fork seat installed on the upper end of the fork shaft and used to install the fork blade, and the upper end of the fork shaft is inserted into the D-shaped cavity.

[0016] The base for mounting the fork assembly in the wok device of the utility model integrates the oil seal mounting position, the sealing ring mounting position, the bearing assembly mounting position, the fork seat mounting position and the quick-release structure, etc., so as to realize the rapid installation of the fork assembly at the bottom of the wok, and realize the dynamic sealing during the movement of the fork and the static sealing of the fluid in the wok. It simplifies the assembly process, improves the production efficiency and is also convenient for maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional view of a base for mounting a fork assembly in the wok device of the utility model;

[0018] Figure 2 It is a three-dimensional view from another angle of the base for mounting the fork assembly in the wok device of the utility model;

[0019] Figure 3 It is a cross-sectional view of a frying pan device of the utility model when a base for mounting a fork assembly is installed in the frying pan;

[0020] Figure 4 yes Figure 3 The enlarged view of point A in the middle;

[0021] Figure 5 The utility model is an exploded schematic diagram of a base, a fork shaft, a fork seat and a rotary cover for installing a fork assembly in a frying pan device.

[0022] The numbers in the figure are: base 10, top panel 11, inner cylinder 12, shaft channel 121, external thread 122, outer cylinder 13, annular groove 131, boss 14, hollow channel 141, annular baffle 142, frying pan 20, fork shaft 2, D-shaped structure 21, step 22, screw column 23, bearing assembly 3, upper bearing 31, lower bearing 32, support ring 33, circular ring sheet 34, hollow pot shaft 30, driving mechanism 40, power output shaft 41, fork seat 4, D-shaped cavity 41, accommodating cavity 42, fork leaf 5, sealing ring 6, screw cover 7, oil seal 8. DETAILED DESCRIPTION

[0023] The utility model discloses a base 10 (hereinafter referred to as the base 10) for mounting a fork assembly in a frying pan device, which integrates an oil seal mounting position, a sealing ring mounting position, a bearing assembly mounting position, a fork seat mounting position and a quick-release structure, etc., so as to realize the rapid installation of the fork assembly at the bottom of the frying pan 20, and realize the dynamic sealing during the movement of the fork and the static sealing of the fluid in the frying pan 20. It simplifies the assembly process, improves production efficiency and is also convenient for maintenance.

[0024] The shift fork assembly includes a shift fork shaft 2 , a bearing assembly 3 for positioning and supporting the shift fork shaft 2 , a shift fork seat 4 installed on the upper end of the shift fork shaft 2 , and a shift fork blade 5 connected to the shift fork seat 4 .

[0025] The base 10 is installed at the bottom of the wok 20 in the wok 20 device. Specifically, a central through hole is provided at the bottom of the wok 20. A hollow pot shaft 30 coaxial with the wok 20 and used to support the wok 20 and set in the shell of the wok device is fixedly connected to the outer bottom surface of the wok 20 corresponding to the central through hole. The base 10 is inserted downward into the hollow pot shaft 30 through the central through hole from the inside of the wok 20 and is threadedly connected to the hollow pot shaft 30. A driving mechanism 40 for driving the rotation of the fork is arranged below the hollow pot shaft 30. A power output shaft 41 of the driving mechanism 40 extends upward from the bottom of the hollow pot shaft 30 and is connected to the fork shaft 2 set in the base 10. The upper end of the fork shaft 2 passes through the top panel 11 of the base 10 and is connected to the fork seat 4 set in the wok 20 and drives the fork seat 4 to rotate relative to the base 10.

[0026] The specific structure of the base 10 is described in detail below. The base 10 includes the top panel 11, the boss 14, the inner cylinder 12 and the outer cylinder 13 which are coaxial and have different diameters. Preferably, the base 10 is an integrally formed structure.

[0027] The outer cylinder 13 is arranged in the middle and upper part of the inner cylinder 12. Both the outer cylinder 13 and the inner cylinder 12 extend downward along the lower surface of the top panel 11. The inner cylinder 12 is provided with an axial channel 121 for installing the fork shaft 2. The outer peripheral wall of the inner cylinder 12 is provided with an external thread 122. Preferably, the external thread 122 is arranged on the outer peripheral wall of the lower part of the inner cylinder 12, and correspondingly, an internal thread adapted to the external thread 122 is provided on the inner peripheral wall of the upper part of the hollow pot shaft 30.

[0028] When the lower portion of the inner cylinder 12 is inserted into the hollow pot shaft 30 and threadedly connected to the hollow pot shaft 30, the bottom surface of the outer cylinder 13 is pressed against the inner bottom surface of the wok 20, and the outer cylinder 13 and the top panel 11 form an umbrella-shaped cover to cover the central through hole and the connection position between the inner cylinder 12 and the hollow pot shaft 30.

[0029] Furthermore, in order to prevent the liquid food or seasoning in the wok 20 from flowing into the central through hole and the hollow wok shaft 30 from the bottom of the outer cylinder 13, an annular groove 131 is provided at the bottom edge of the outer cylinder 13, and a sealing ring 6 is provided in the annular groove 131, and the diameter of the sealing ring 6 is greater than the depth of the annular groove 131. When the inner cylinder 12 is screwed onto the hollow wok shaft 30, the sealing ring 6 is pressed between the annular groove 131 of the outer cylinder 13 and the bottom of the wok 20. Preferably, the sealing ring 6 is a high temperature resistant fluorine rubber ring.

[0030] The boss 14 extends upward from the middle of the top panel 11 to form a hollow channel 141 which is coaxial with and communicates with the shaft channel 121 . An annular baffle 142 is provided at the top of the hollow channel 141 and extends horizontally inward along the top surface of the boss 14 . The diameter of the hollow channel 141 is smaller than the diameter of the shaft channel 121 .

[0031] The upper end of the fork shaft 2 passes through the shaft channel 121 , the hollow channel 141 and the annular baffle 142 in sequence, and is placed on the annular baffle 142 .

[0032] An oil seal 8 sleeved on the fork shaft 2 is provided in the hollow channel 141, and the upper end surface of the oil seal 8 is limited by the annular baffle 142. The utility model installs the oil seal 8 by arranging a boss 14 at a position of the top panel 11 corresponding to the fork shaft 2 to dynamically seal the fork shaft 2, thereby preventing food or liquid in the wok 20 from entering the base 10 and the hollow wok shaft 30 through the gap between the fork shaft 2 and the base 10 to cause hygiene or damage the driving mechanism 40 in the wok 20 device.

[0033] A bearing assembly 3 for rotatably supporting the fork shaft 2 in the inner cylinder 12 is disposed in the shaft channel 121 .

[0034] Preferably, the bearing assembly 3 is composed of an upper bearing 31, a lower bearing 32 and a support ring 33 that supports the upper bearing 31 and the lower bearing 32. The inner rings of the upper bearing 31 and the lower bearing 32 are sleeved on the fork shaft 2 at intervals through the support ring 33, and the outer rings are embedded in the shaft channel 121. Specifically, the upper end of the outer ring of the upper bearing 31 is pressed against the bottom surface of the top panel 11, the lower end surface of the outer ring of the upper bearing 31 is pressed against the upper end of the support ring 33, and the lower end of the support ring 33 is pressed against the upper end surface of the outer ring of the lower bearing 32. The lower end of the outer ring of the lower bearing 32 is supported by a circular ring sheet 34 fixed to the bottom of the inner cylinder 12 and with an inner diameter smaller than the diameter of the inner cylinder 12 to limit the bearing assembly 3 in the shaft channel 121.

[0035] The fork shaft 2 is limited in the upper and lower sections by setting two bearings, so as to provide better radial support for the fork shaft 2 and ensure the force transmission efficiency of the fork shaft 2 when driving the fork for cooking.

[0036] The outer contour of the horizontal section of the boss 14 is a regular polygon, preferably a regular hexagon. The outer contour of the horizontal section of the boss 14 is set to a regular polygon, which is convenient for using tools to quickly screw and disassemble the base 10.

[0037] Preferably, the upper end of the fork shaft 2 is a D-shaped structure 21, and correspondingly, a D-shaped cavity 41 is provided in the middle of the fork seat 4, and the upper end of the fork shaft 2 is inserted into the D-shaped cavity 41 to clamp the fork seat 4 on the fork shaft 2 and rotate with the fork shaft 2.

[0038] Furthermore, in order to make the structure more compact and better sealed, a receiving cavity 42 is provided at the bottom of the fork seat 4, and the D-shaped cavity 41 and the receiving cavity 42 are connected up and down. When the upper end of the fork shaft 2 passes through the receiving cavity 42 and is placed in the D-shaped cavity 41, the boss 14 is accommodated in the receiving cavity 42, and a gap is left therebetween to allow the fork seat 4 to rotate freely relative to the base 10.

[0039] In order to further fix the fork seat 4 on the fork shaft 2, a rotary cover 7 is provided above the fork seat 4, which can be threadedly connected to the fork shaft 2 to limit the fork seat 4 on the fork shaft 2. Specifically, a step 22 is provided on the upper part of the fork shaft 2, and the D-shaped structure 21 is located on the table surface of the step 22. A screw column 23 extends upward from the top surface of the D-shaped structure 21. Correspondingly, an internal thread matching the screw column 23 is provided in the rotary cover 7. When the fork seat 4 is clamped on the fork shaft 2, the top surface of the accommodating cavity 42 is placed on the step 22, the D-shaped structure 21 is accommodated in the D-shaped cavity 41, and the screw column 23 extends out of the top surface of the fork seat 4 and is threadedly connected to the rotary cover 7.

Claims

1. A base for mounting a fork assembly in a frying pan device, characterized in that: The base (10) comprises a top panel (11), an inner tube (12) and an outer tube (13) which are coaxial and have different diameters, wherein an axial channel (121) for mounting a shift fork shaft (2) is provided in the inner tube (12), a boss (14) having a hollow channel (141) coaxial with and communicating with the axial channel (121) extends upward from the middle of the top panel (11), an external thread (122) is provided on the outer peripheral wall of the inner tube (12), and an internal thread matching the external thread (122) is provided on the inner peripheral wall of the upper part of the hollow pot shaft (30) of the frying pan (20) device.

2. The base for mounting the fork assembly in the frying pan device according to claim 1, characterized in that: The diameter of the hollow channel (141) is smaller than the diameter of the shaft channel (121), and a bearing assembly (3) for rotatably supporting the fork shaft (2) in the inner cylinder (12) is provided in the shaft channel (121).

3. The base for mounting the fork assembly in the frying pan device according to claim 2, characterized in that: The bearing assembly (3) is composed of an upper bearing (31), a lower bearing (32) and a support ring (33) supporting the upper bearing (31) and the lower bearing (32); the inner rings of the upper bearing (31) and the lower bearing (32) are sleeved on the fork shaft (2) at intervals through the support ring (33), and the outer rings are embedded in the shaft channel (121).

4. A base for mounting a fork assembly in a frying pan device as claimed in claim 2 or 3, characterized in that: An oil seal (8) sleeved on the shift fork shaft (2) is arranged in the hollow channel (141).

5. The base for mounting the fork assembly in the frying pan device according to claim 4, characterized in that: An annular baffle (142) extending horizontally inwardly along the top surface of the boss (14) is provided at the top of the hollow channel (141), and the upper end surface of the oil seal (8) is pressed against the annular baffle (142).

6. The base for mounting the fork assembly in the frying pan device according to claim 5, characterized in that: An annular groove (131) is provided on the bottom edge of the outer cylinder (13), and a sealing ring (6) is provided in the annular groove (131).

7. The base for mounting the fork assembly in the frying pan device according to claim 6, characterized in that: The outer contour of the horizontal section of the boss (14) is a regular polygon.

8. The base for mounting the fork assembly in the frying pan device according to claim 7, characterized in that: The upper end of the fork shaft (2) is a D-shaped structure (21), and a D-shaped cavity (41) is provided in the middle of a fork seat (4) mounted on the upper end of the fork shaft (2) and used for mounting a fork blade (5), and the upper end of the fork shaft (2) is inserted into the D-shaped cavity (41).

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