Novel stirring shaft sealing structure
By using an integrated shaft seal and fasteners, the problem of cumbersome operation and poor sealing effect of the sealing structure between the stirring shaft and the stainless steel shell of the evaporator is solved, achieving convenient installation and long-term stable sealing effect.
Patent Information
- Application Number
- CN202521816903.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-26
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2035-08-26
AI Technical Summary
The existing sealing structure between the stirring shaft and the stainless steel shell of the evaporator is cumbersome to operate and has poor sealing effect, resulting in water leakage problems.
The shaft seal is made of one piece, including the seal body, outer ring seal and inner ring seal. It is combined with plastic upper shell and oil seal base and fixed by fasteners to achieve a tight connection between the central rotating shaft and the stainless steel shell of the evaporator.
The assembly process has been simplified, the operation difficulty has been reduced, the sealing effect has been improved, water leakage problems have been avoided, and the stability and service life of the sealing structure have been ensured.
Smart Images
Figure CN224680105U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of stirring shaft sealing structure, and is a novel stirring shaft sealing structure. Background Technology
[0002] The stirring shaft of the slush machine needs to pass through the stainless steel shell of the evaporator to drive the main body of the stirrer to rotate. However, the stirring shaft needs to be sealed when passing through the stainless steel shell of the evaporator to prevent water leakage.
[0003] The existing seals for the stirring shaft and the stainless steel shell of the evaporator are all sealed with multiple seals, which is cumbersome to operate and has poor sealing effect. Utility Model Content
[0004] This invention addresses the technical problem that existing methods for sealing the stirring shaft and the stainless steel shell of the evaporator rely on multiple sealing components, resulting in cumbersome operation and poor sealing performance. Therefore, a novel stirring shaft sealing structure is provided.
[0005] This utility model solves the above-mentioned technical problems through the following technical solutions: This utility model provides a novel stirring shaft sealing structure, which includes: The evaporator has a stainless steel outer shell, and a central rotating shaft is provided through the side surface of the stainless steel outer shell. A shaft seal is installed at the point where the central rotating shaft and the stainless steel outer shell of the evaporator pass through, and the shaft seal is fitted onto the surface of the central rotating shaft. The upper shell is installed on the outside of the stainless steel outer shell of the evaporator.
[0006] Furthermore, the shaft seal includes a seal body, an outer ring seal, and an inner ring seal. The seal body is sleeved on the surface of the central rotating shaft. An outer ring seal is provided at the right edge of the seal body, and an inner ring seal is provided on the inner side of the seal body.
[0007] Furthermore, the sealing body, outer ring seal, and inner ring seal are integrally formed, and the inner ring seal is used for sealing the surface of the central rotating shaft.
[0008] Furthermore, the shaft seal is made of a flexible material.
[0009] Furthermore, the upper shell is a plastic part, and the upper shell is disposed on the outside of the shaft seal.
[0010] Furthermore, an oil seal base is provided on the left side of the shaft seal body, and the oil seal base is connected to the central rotating shaft through an oil seal, and the oil seal base is installed inside the stainless steel shell of the evaporator.
[0011] Furthermore, the oil seal base is made of plastic.
[0012] Furthermore, the central rotating shaft passes through the center of the shaft seal, the upper housing, and the oil seal base.
[0013] Furthermore, the oil seal is disposed between the upper shell and the oil seal base, and the upper shell and the oil seal base are connected by fasteners, so that the bottom surface of the stainless steel outer shell of the evaporator and the oil seal are compressed and fixed for sealing the central rotating shaft.
[0014] Furthermore, the fastener is a screw, and the number of screws is three, which are distributed in a ring about the central axis.
[0015] Based on common knowledge in the field, the above-mentioned preferred conditions can be combined arbitrarily to obtain various preferred embodiments of this utility model.
[0016] The positive and progressive effects of this utility model are as follows: The novel stirring shaft sealing structure proposed above features an integrated shaft seal, which reduces assembly steps, lowers operational difficulty, and facilitates installation and maintenance during production. Fasteners are used for fixation, ensuring a tighter fit between the seal and the central rotating shaft and the stainless steel shell of the evaporator. This effectively prevents leakage caused by improper matching of multiple seals, ensuring the stability of the sealing structure during long-term operation and extending its service life. Attached Figure Description
[0017] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application.
[0018] Figure 1 This is a three-dimensional structural diagram of the stirring shaft sealing structure of this utility model.
[0019] Figure 2 This is a three-dimensional structural diagram of the other side of the stirring shaft sealing structure of this utility model.
[0020] Figure 3 This is a schematic diagram of the connection structure between the shaft seal and the central rotating shaft in the stirring shaft sealing structure of this utility model.
[0021] Figure 4 This is a schematic diagram of the connection structure between the shaft seal of the stirring shaft sealing structure of this utility model and the stainless steel shell of the evaporator.
[0022] Figure 5 The present invention relates to a sealing structure for the stirring shaft. Figure 4 Schematic diagram of cross-section structure.
[0023] Figure 6 The present invention relates to a sealing structure for the stirring shaft. Figure 4 Cross-sectional view of the three-dimensional structure.
[0024] Explanation of reference numerals in the attached figures 1. Central rotating shaft; 2. Upper shell; 3. Shaft seal; 31. Seal body; 32. Outer ring seal; 33. Inner ring seal; 4. Oil seal base; 5. Oil seal; 6. Evaporator stainless steel shell. Detailed Implementation
[0025] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.
[0026] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this application described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.
[0027] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.
[0028] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.
[0029] Furthermore, the terms "installation," "setup," "equipped with," "connection," "linking," and "socketing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.
[0030] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other.
[0031] like Figure 1-6 As shown, the novel stirring shaft sealing structure includes: an evaporator stainless steel shell 6, with a through-hole central rotating shaft 1 on the side surface of the evaporator stainless steel shell 6; a shaft seal 3, which is installed at the through-hole connection between the central rotating shaft 1 and the evaporator stainless steel shell 6, and the shaft seal 3 is sleeved on the surface of the central rotating shaft 1; and an upper shell 2, which is installed on the outside of the evaporator stainless steel shell 6 and has an integrated shaft seal 3. This reduces assembly steps, lowers the difficulty of operation, and facilitates installation and maintenance during production. Fasteners are used for fixing, making the seal more tightly fitted between the seal and the central rotating shaft 1 and the evaporator stainless steel shell 6, effectively avoiding water leakage problems caused by improper matching of multiple seals, ensuring the stability of the sealing structure during long-term operation, and extending its service life.
[0032] The shaft seal 3 includes a seal body 31, an outer ring seal 32, and an inner ring seal 33. The seal body 31 is sleeved on the surface of the central rotating shaft 1. The outer ring seal 32 is provided at the right edge of the seal body 31, and the inner ring seal 33 is provided on the inner side of the seal body 31.
[0033] The sealing body 31, outer ring seal 32, and inner ring seal 33 are integrally formed structures. The inner ring seal 33 is used to seal the surface of the central rotating shaft 1, effectively sealing the central rotating shaft 1 tightly together, preventing water from flowing out of the central rotating shaft 1, and improving the sealing performance.
[0034] The shaft seal 3 is made of flexible material.
[0035] The upper shell 2 is a plastic part, and the upper shell 2 is located on the outside of the shaft seal 3.
[0036] The shaft seal 3 has an oil seal 5 base 4 on its left side, and the oil seal 5 base 4 is connected to the central rotating shaft 1 through the oil seal 5. The oil seal 5 base 4 is installed inside the stainless steel shell 6 of the evaporator.
[0037] The oil seal 5 and base 4 are plastic parts.
[0038] The center shaft 1 passes through the center of the shaft seal 3, the upper shell 2, the oil seal 5, and the base 4.
[0039] The oil seal 5 is located between the upper shell 2 and the oil seal 5 base 4, and the upper shell 2 and the oil seal 5 base 4 are connected by fasteners, so that the bottom surface of the evaporator stainless steel shell 6 and the oil seal 5 are compressed and fixed, which is used to seal the central rotating shaft 1, thus playing a sealing role and preventing water from flowing into the interior of the stainless steel shell from the outside.
[0040] The fastener is a screw, and there are three screws, which are arranged in a ring about the central axis.
[0041] The circuits, electronic components, and modules involved are all existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated upon. The content protected by this application does not involve any improvement to the software and methods.
[0042] This utility model is not limited to the above-described embodiments. Any changes in its shape or structure fall within the protection scope of this utility model. The protection scope of this utility model is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of this utility model, but all such changes and modifications fall within the protection scope of this utility model.
Claims
1. A novel stirring shaft sealing structure, characterized in that, The novel stirring shaft sealing structure includes: Evaporator stainless steel shell (6), the side surface of which is provided with a through central rotating shaft (1); Shaft seal (3), the shaft seal (3) is installed at the through connection between the central rotating shaft (1) and the stainless steel shell (6) of the evaporator, and the shaft seal (3) is sleeved on the surface of the central rotating shaft (1); Upper shell (2), which is installed on the outside of the stainless steel outer shell (6) of the evaporator.
2. The novel stirring shaft sealing structure as described in claim 1, characterized in that: The shaft seal (3) includes a seal body (31), an outer ring seal (32), and an inner ring seal (33). The seal body (31) is fitted onto the surface of the central rotating shaft (1). An outer ring seal (32) is provided at the right edge of the seal body (31), and an inner ring seal (33) is provided on the inner side of the seal body (31).
3. The novel stirring shaft sealing structure as described in claim 2, characterized in that: The sealing body (31), outer ring seal (32), and inner ring seal (33) are integrally formed, and the inner ring seal (33) is used to seal the surface of the central rotating shaft (1).
4. The novel stirring shaft sealing structure as described in claim 1, characterized in that: The shaft seal (3) is made of flexible material.
5. The novel stirring shaft sealing structure as described in claim 1, characterized in that: The upper shell (2) is a plastic part, and the upper shell (2) is located on the outside of the shaft seal (3).
6. The novel stirring shaft sealing structure as described in claim 1, characterized in that: The shaft seal (3) has an oil seal base (4) on its left side, and the oil seal base (4) is connected to the central rotating shaft (1) through an oil seal (5), and the oil seal base (4) is installed inside the stainless steel shell (6) of the evaporator.
7. The novel stirring shaft sealing structure as described in claim 6, characterized in that: The oil seal base (4) is a plastic part.
8. The novel stirring shaft sealing structure as described in claim 1, characterized in that: The central rotating shaft (1) passes through the center of the shaft seal (3), the upper shell (2), and the oil seal base (4).
9. The novel stirring shaft sealing structure as described in claim 6, characterized in that: The oil seal (5) is located between the upper shell (2) and the oil seal base (4), and the upper shell (2) and the oil seal base (4) are connected by fasteners to compress and fix the bottom surface of the evaporator stainless steel shell (6) and the oil seal (5) for sealing the central rotating shaft (1).
10. The novel stirring shaft sealing structure as described in claim 9, characterized in that: The fastener is a screw, and there are three screws, which are arranged in a ring about the central axis.