Rotating shaft sealing mechanism capable of prolonging service life of soybean milk machine

By setting up drainage components in the shaft sealing mechanism of the soy milk machine, the water leakage problem caused by wear of the motor shaft and seal is solved, extending the service life of the motor and improving the overall life of the soy milk machine.

CN222864118UActive Publication Date: 2025-05-13ZHONGSHAN HEYUAN ELECTRIC APPLIANCE CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421740626.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-22
Publication Date
2025-05-13
Estimated Expiration
2034-07-22

AI Technical Summary

Technical Problem

The existing soy milk machine has a fast wear rate between the motor shaft and the seal, resulting in water leakage, wear of oil seals, damage to the bearings and motors, shortening the service life of the soy milk machine.

Method used

A rotating shaft sealing mechanism is designed, including a drainage assembly on the output shaft, which discharges the leaked water and bean dregs through a support sleeve and drainage member to prevent them from entering the oil seal.

Benefits of technology

It effectively extends the service life of the motor, avoids water leakage and wear caused by water and soybean dregs entering the oil seal, and improves the overall life of the soy milk machine.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222864118U_ABST
    Figure CN222864118U_ABST
Patent Text Reader

Abstract

The utility model discloses a rotating shaft sealing mechanism capable of prolonging the service life of a soybean milk machine, which comprises a base and a soybean milk barrel connected onto the base, a stirring knife and a motor for rotating the base are arranged in the soybean milk barrel, an output shaft of the motor extends into the soybean milk barrel, and the stirring knife is connected onto the output shaft. A bearing, an oil seal and a first sealing ring assembly are sequentially sleeved on the output shaft between the base and the bottom of the soybean milk barrel from bottom to top, and a front support is sleeved outside the bearing, the oil seal and the first sealing ring assembly. A drainage assembly which is arranged on the output shaft in a sleeving mode and used for discharging leaked water and bean dregs is arranged between the first sealing ring assembly and the oil seal in the front support, and the drainage assembly is driven to rotate so that the water and the bean dregs leaked from the first sealing ring assembly can be discharged from the supporting sleeve through hole and the front support through hole. Therefore, water leakage caused by oil seal failure due to water and bean dregs entering the lower oil seal is avoided, and the service life of the motor is prolonged.
Need to check novelty before this filing date? Find Prior Art

Description

[Technical field]

[0001] The utility model relates to the technical field of soybean milk machines and sealing structures, in particular to a rotating shaft sealing mechanism for increasing the service life of soybean milk machines. [Background Technology]

[0002] Commercial soymilk machine is a safe, reliable, energy-efficient, high-end large-scale soymilk making machine that can realize fully automatic mechanical operation, greatly improving work efficiency and production standards. At the same time, it can be directly applied to specialized soymilk shops, or large hotels, restaurant chains, guesthouses and other companies to make special soymilk products.

[0003] The motor of an existing commercial soybean milk machine is generally arranged on the lower side of the soybean milk barrel, and has the following defects: the motor shaft and the seal wear very quickly, resulting in water leakage from the seal, allowing water and bean dregs to enter the oil seal, thereby accelerating the wear of the oil seal, causing the oil seal to fail and cause water leakage, thereby damaging the bearing and the motor, and shortening the life of the commercial soybean milk machine. [Contents of the utility model]

[0004] The utility model overcomes the shortcomings of the prior art and provides a shaft sealing mechanism for increasing the service life of a soybean milk machine, which can discharge water and soybean dregs leaked from a sealing ring assembly to prevent water and soybean dregs from entering the oil seal, thereby extending the service life of the motor and has the advantages of simple structure, low cost, and easy assembly.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A rotating shaft sealing mechanism for improving the service life of a soybean milk machine, characterized in that it includes a base and a soybean milk bucket connected to the base, a stirring knife is arranged in the soybean milk bucket, a motor that rotates the base, the output shaft of the motor extends into the soybean milk bucket, the stirring knife is connected to the output shaft, a bearing, an oil seal and a first sealing ring assembly are sequentially sleeved on the output shaft between the base and the bottom of the soybean milk bucket from bottom to top, a front bracket is sleeved on the outside of the bearing, the oil seal and the first sealing ring assembly, and a drainage assembly sleeved on the output shaft for discharging leaked water and bean dregs is arranged between the first sealing ring assembly and the oil seal in the front bracket.

[0007] The shaft sealing mechanism for increasing the service life of a soymilk maker as described above is characterized in that: a drainage component includes a support sleeve mounted on the output shaft, at least one support sleeve through hole is provided on the side of the support sleeve, a front bracket through hole is provided on the front bracket corresponding to the support sleeve through hole, and a drainage component is provided in the support sleeve and is mounted on the output shaft and rotates with the output shaft to push water and bean dregs to be discharged from the support sleeve through hole.

[0008] The shaft sealing mechanism for increasing the service life of a soybean milk maker as described above is characterized in that a plurality of inclined ribs are provided on the outer side surface of the drainage member.

[0009] The shaft sealing mechanism for increasing the service life of a soybean milk maker as described above is characterized in that the outer side surface of the drainage member is an inclined surface arranged to be inclined from top to bottom.

[0010] The shaft sealing mechanism for improving the service life of a soybean milk maker as described above is characterized in that a guide groove bracket is sleeved on the front bracket, the guide groove bracket is provided with a guide groove connected to the through hole of the front bracket at one end, and a discharge joint is provided at the other end of the guide groove.

[0011] The shaft sealing mechanism for improving the service life of a soymilk maker as described above is characterized in that a partition block is provided between the support sleeve and the first sealing ring assembly, at least one upper drainage component gasket sleeved on the output shaft is provided in the support sleeve between the partition block and the top surface of the drainage component, and at least one lower drainage component gasket sleeved on the output shaft is provided in the support sleeve between the bottom surface of the drainage component and the support sleeve.

[0012] A shaft sealing mechanism for improving the service life of a soymilk machine as described above is characterized in that: a first sealing ring assembly includes a cutter shaft sleeve sleeved on the output shaft, a dividing block is arranged between the cutter shaft sleeve and the supporting sleeve, a sealing inner rubber sleeve sleeved on the output shaft is arranged in the cutter shaft sleeve, at least one upper cutter shaft sleeve gasket sleeved on the output shaft is arranged in the cutter shaft sleeve between the cutter shaft sleeve and the top surface of the sealing inner rubber sleeve, and at least one lower cutter shaft sleeve gasket sleeved on the output shaft is arranged in the cutter shaft sleeve between the top surface of the cutter shaft sleeve and the dividing block.

[0013] The shaft sealing mechanism for increasing the service life of a soybean milk maker as described above is characterized in that a bracket sleeve is provided between the bottom of the soybean milk barrel and the front bracket for the output shaft to pass through and to limit the sliding of the knife shaft sleeve, and a knife shaft sleeve sealing ring is provided between the bracket sleeve and the knife shaft sleeve.

[0014] The shaft sealing mechanism for increasing the service life of a soybean milk maker as described above is characterized in that a bracket sleeve sealing ring is provided between the bottom of the soybean milk bucket and the bracket sleeve.

[0015] The shaft sealing mechanism for increasing the service life of a soybean milk maker as described above is characterized in that a sealing rubber sleeve is provided on the output shaft between the stirring blade and the bracket sleeve, and at least one bracket sleeve gasket is provided on the output shaft between the bottom surface of the sealing rubber sleeve and the top surface of the bracket sleeve.

[0016] The beneficial effects of the utility model are:

[0017] The utility model provides a drainage component sleeved on the output shaft between the first sealing ring component and the oil seal for discharging leaked water and bean dregs, the drainage component comprising a support sleeve sleeved on the output shaft, a support sleeve through hole provided on the side of the support sleeve, a front bracket through hole provided corresponding to the support sleeve through hole on the front bracket, a drainage piece sleeved on the output shaft and rotating with the output shaft to push the water and bean dregs to be discharged from the support sleeve through hole in the support sleeve, the water and bean dregs leaking from the first sealing ring component are discharged from the support sleeve through hole and the front bracket through hole by driving the drainage piece to rotate, thereby preventing the water and bean dregs from entering the lower oil seal to cause the oil seal to fail and cause water leakage, thereby extending the service life of the motor. [Drawings]

[0018] Figure 1 This is a cross-sectional view of the utility model;

[0019] Figure 2 for Figure 1 Enlarged view of part A in the middle;

[0020] Figure 3 This is a schematic diagram of the guide groove structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the drainage component of the utility model. [Specific implementation method]

[0022] The technical solutions in the embodiments of the present utility model will be described clearly and completely below in conjunction with the accompanying drawings.

[0023] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly. In addition, the descriptions of "preferred", "sub-preferred", etc. in the present invention are only used for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "preferred" or "sub-preferred" may explicitly or implicitly include at least one of the features.

[0024] like Figure 1-4As shown, a shaft sealing mechanism for improving the service life of a soybean milk machine includes a base 1 and a soybean milk barrel 2 connected to the base 1, a stirring blade 3 is arranged in the soybean milk barrel 2, a motor 4 for driving the stirring blade 3 to rotate is arranged on the base 1, an output shaft 41 of the motor 4 extends into the soybean milk barrel 2, the stirring blade 3 is connected to the output shaft 41, a bearing 5, an oil seal 6 and a first sealing ring assembly 7 are sequentially sleeved on the output shaft 41 between the base 1 and the bottom of the soybean milk barrel 2 from bottom to top, a front bracket 8 is sleeved on the outside of the bearing 5, the oil seal 6 and the first sealing ring assembly 7, a drainage assembly 9 sleeved on the output shaft 41 for discharging leaked water and bean dregs is arranged between the first sealing ring assembly 7 and the oil seal 6 in the front bracket 8, and In actual use, the motor 4 drives the stirring blade 3 to rotate at high speed to crush the soybeans through the output shaft 41. During this process, water and bean dregs may enter the drainage component 9 from between the first sealing ring component 7 and the output shaft 41 and be discharged by the drainage component 9, effectively preventing water and bean dregs from entering the oil seal 6, thereby preventing the oil seal 6 from failing and causing water leakage to damage the bearing 5 and the motor 4, thereby extending the service life of the motor 4.

[0025] like Figure 1-4 As shown, the drainage assembly 9 includes a support sleeve 91 sleeved on the output shaft 41, at least one support sleeve through hole 911 is provided on the side of the support sleeve 91, and a front bracket through hole 81 is provided on the front bracket 8 corresponding to the support sleeve through hole 911. A drainage member 92 is provided in the support sleeve 91 and sleeved on the output shaft 41 and rotates with the output shaft 41 to push the water and bean dregs to be discharged from the support sleeve through hole 911. In actual use, after the water and bean dregs break through the first sealing ring assembly 7 and enter the support sleeve 91, the drainage member 92 rotates with the output shaft 41, pushes the water and bean dregs outward, and makes the water and bean dregs be discharged from the support sleeve through hole 911 and the front bracket through hole 81 in turn, so as to prevent the water and bean dregs from entering the oil seal 6 on the lower side.

[0026] like Figure 4 As shown, the outer side of the drainage member 92 is provided with a plurality of inclined convex ribs 93. In this case, the convex ribs 93 are arranged on the side of the drainage member 91 from top to bottom along the rotation direction, and the outer side of the drainage member 92 is an inclined surface arranged from top to bottom. Therefore, when the drainage member 92 rotates, the convex ribs 93 can better push the water and bean dregs to be discharged from the support sleeve through hole 911 and the front bracket through hole 81.

[0027] like Figure 1-3 As shown, the front bracket 8 is sleeved with a guide groove bracket 10, and the guide groove bracket 10 is provided with a guide groove 101 connected to the front bracket through hole 81 at one end, and a discharge joint 102 is provided at the other end of the guide groove 101. After the water and bean dregs are discharged from the support sleeve through hole 911 and the front bracket through hole 81, they enter the guide groove 101 of the guide groove bracket 10, and finally output to the outside of the base 1 from the discharge joint 102 and the output pipe connected to the discharge joint 102.

[0028] like Figure 1-2 As shown, a separation block 11 is provided between the support sleeve 91 and the first sealing ring assembly 7, at least one upper drainage member gasket 94 sleeved on the output shaft 41 is provided between the separation block 11 and the top surface of the drainage member 92 in the support sleeve 91, and at least one lower drainage member gasket 95 sleeved on the output shaft 41 is provided between the bottom surface of the drainage member 92 and the support sleeve 91 in the support sleeve 91. By providing the upper drainage member gasket 94, the sealing performance between the first sealing ring assembly 7 and the support sleeve 91 is improved, and water and bean dregs are reduced from entering the support sleeve 91 of the drainage assembly 9; by providing the lower drainage member gasket 95, the sealing performance between the support sleeve 91 and the oil seal 6 is improved, and water and bean dregs are prevented from entering the oil seal 6.

[0029] like Figure 1-2 As shown, the first sealing ring assembly 7 includes a blade sleeve 71 sleeved on the output shaft 41, a partition block 11 is arranged between the blade sleeve 71 and the support sleeve 91, a sealing inner rubber sleeve 72 sleeved on the output shaft 41 is arranged in the blade sleeve 71, at least one upper blade sleeve gasket 73 sleeved on the output shaft 41 is arranged between the blade sleeve 71 and the top surface of the sealing inner rubber sleeve 72 in the blade sleeve 71, and at least one lower blade sleeve gasket 74 sleeved on the output shaft 41 is arranged between the top surface of the blade sleeve 71 and the partition block 11 in the blade sleeve 71. By arranging the upper blade sleeve gasket 73, the sealing performance between the soybean milk barrel 2 and the blade sleeve 71 is improved, and water and bean dregs are reduced from entering the blade sleeve 71 of the first sealing ring assembly 7; and by arranging the lower blade sleeve gasket 74, the sealing performance between the lower blade sleeve gasket 74 and the support sleeve 91 is improved, and water and bean dregs are reduced from entering the support sleeve 91 of the drainage assembly 9.

[0030] like Figure 1-2 As shown, a bracket sleeve 12 is provided between the bottom of the soymilk barrel 2 and the front bracket 8 for the output shaft 41 to pass through and to limit the sliding of the knife shaft sleeve 71, and a knife shaft sleeve sealing ring 13 is provided between the bracket sleeve 12 and the knife shaft sleeve 71. The knife shaft sleeve 71 and the front bracket 8 are better fixed to the bottom of the soymilk barrel 2 through the bracket sleeve 12; a bracket sleeve sealing ring 14 is provided between the bottom of the soymilk barrel 2 and the bracket sleeve 12 to improve the sealing between the soymilk barrel 2 and the bracket sleeve 12.

[0031] like Figure 1-2 As shown, a sealing rubber sleeve 15 is provided on the output shaft 41 between the stirring blade 3 and the bracket sleeve 12, and at least one bracket sleeve gasket 16 is provided on the output shaft 41 between the bottom surface of the sealing rubber sleeve 15 and the top surface of the bracket sleeve 12. The sealing rubber sleeve 15 can be made of a material with a certain elasticity such as silica gel, gas phase rubber or fluoro rubber. The stirring blade 3 cooperates with the sealing rubber sleeve 15, so that the sealing rubber sleeve 15 elastically presses the bracket sleeve gasket 16, thereby improving the sealing between the bottom of the soybean milk barrel 2 and the bracket sleeve 12, and reducing the water and bean dregs from entering the bracket sleeve 12.

[0032] The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. All equivalent structural changes made using the contents of the present invention specification and drawings under the utility model concept, or directly or indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A shaft sealing mechanism for increasing the service life of a soybean milk maker, characterized in that: The invention comprises a base (1) and a soybean milk bucket (2) connected to the base (1), wherein a stirring blade (3) is arranged in the soybean milk bucket (2), and a motor (4) is arranged on the base (1) for driving the stirring blade (3) to rotate, wherein an output shaft (41) of the motor (4) extends into the soybean milk bucket (2), and the stirring blade (3) is connected to the output shaft (41), and a bearing (5), an oil seal (6) and a first sealing ring assembly (7) are sleeved on the output shaft (41) between the base (1) and the bottom of the soybean milk bucket (2) in sequence from bottom to top, and a front bracket (8) is sleeved on the outer surface of the bearing (5), the oil seal (6) and the first sealing ring assembly (7), and a drainage assembly (9) sleeved on the output shaft (41) and used for discharging leaked water and soybean dregs is arranged in the front bracket (8) between the first sealing ring assembly (7) and the oil seal (6).

2. A shaft sealing mechanism for increasing the service life of a soybean milk maker according to claim 1, characterized in that: The drainage assembly (9) comprises a support sleeve (91) sleeved on the output shaft (41), at least one support sleeve through hole (911) being provided on the side of the support sleeve (91), a front support through hole (81) being provided on the front support (8) and corresponding to the support sleeve through hole (911), and a drainage member (92) being sleeved on the output shaft (41) and rotating with the output shaft (41) so as to push water and bean dregs to be discharged from the support sleeve through hole (911) being provided in the support sleeve (91).

3. The shaft sealing mechanism for increasing the service life of a soybean milk maker according to claim 2, characterized in that: A plurality of inclined convex ribs (93) are provided on the outer side surface of the drainage member (92).

4. The rotary shaft sealing mechanism for increasing the service life of a soybean milk maker according to claim 3, characterized in that: The outer side surface of the drainage member (92) is an inclined surface arranged to be inclined from top to bottom.

5. The shaft sealing mechanism for increasing the service life of a soybean milk maker according to claim 2, characterized in that: A guide groove bracket (10) is sleeved on the front bracket (8), and a guide groove bracket (10) is provided with a guide groove (101) connected to the front bracket through hole (81) at one end, and a discharge joint (102) is provided at the other end of the guide groove (101).

6. The shaft sealing mechanism for increasing the service life of a soybean milk maker according to claim 2, characterized in that: A separation block (11) is provided between the support sleeve (91) and the first sealing ring assembly (7); at least one upper drainage member gasket (94) sleeved on the output shaft (41) is provided in the support sleeve (91) between the separation block (11) and the top surface of the drainage member (92); and at least one lower drainage member gasket (95) sleeved on the output shaft (41) is provided in the support sleeve (91) between the bottom surface of the drainage member (92) and the support sleeve (91).

7. A shaft sealing mechanism for increasing the service life of a soybean milk maker according to claim 6, characterized in that: The first sealing ring assembly (7) comprises a cutter shaft sleeve (71) sleeved on the output shaft (41); a partition block (11) is arranged between the cutter shaft sleeve (71) and the support sleeve (91); a sealing inner rubber sleeve (72) sleeved on the output shaft (41) is arranged in the cutter shaft sleeve (71); at least one upper cutter shaft sleeve gasket (73) sleeved on the output shaft (41) is arranged in the cutter shaft sleeve (71) between the cutter shaft sleeve (71) and the top surface of the sealing inner rubber sleeve (72); and at least one lower cutter shaft sleeve gasket (74) sleeved on the output shaft (41) is arranged in the cutter shaft sleeve (71) between the top surface of the cutter shaft sleeve (71) and the partition block (11).

8. The shaft sealing mechanism for increasing the service life of a soybean milk maker according to claim 7, characterized in that: A support sleeve (12) is provided between the bottom of the soybean milk barrel (2) and the front support (8), through which the output shaft (41) passes and which restricts the knife shaft sleeve (71) from sliding. A knife shaft sleeve sealing ring (13) is provided between the support sleeve (12) and the knife shaft sleeve (71).

9. The shaft sealing mechanism for increasing the service life of a soybean milk maker according to claim 8, characterized in that: A support sleeve sealing ring (14) is provided between the bottom of the soybean milk barrel (2) and the support sleeve (12).

10. The shaft sealing mechanism for increasing the service life of a soybean milk maker according to claim 8, characterized in that: A sealing rubber sleeve (15) is provided on the output shaft (41) between the stirring blade (3) and the bracket sleeve (12), and at least one bracket sleeve gasket (16) is provided on the output shaft (41) between the bottom surface of the sealing rubber sleeve (15) and the top surface of the bracket sleeve (12).