An oxidation-resistant linear bearing
By designing care mechanisms and collection mechanisms in antioxidant linear bearings, including guide plates, scrapers and collection rings, the problem of dirt contamination of lubricating oil in the lubricating oil guide shaft is solved, and the clean and efficient operation of linear bearings is achieved, and the service life is extended.
Patent Information
- Application Number
- CN202421715039.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-19
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-07-19
AI Technical Summary
The existing antioxidant linear bearings are prone to contamination of dirt due to the long-term indwelling guide shaft of lubricating oil, forming abrasive substances, causing wear to internal parts and affecting operating accuracy and life.
An anti-oxidation linear bearing is designed. By adhering a care mechanism on both sides of the outer shell, and a collection mechanism is provided, including guide plates, scrapers and collection rings, the stains on the guide shaft are cleaned and efficiently operated.
Effectively prevents damage to linear bearings, extends service life, and makes regular cleaning and maintenance easier through a removable collection mechanism.
Smart Images

Figure CN222702380U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of linear bearings, in particular to an anti-oxidation linear bearing. Background Art
[0002] Anti-oxidation linear bearings refer to linear bearings made of anti-oxidation materials or treated with anti-oxidation. Such bearings have higher anti-oxidation properties and can maintain stable performance and extend service life in harsh working environments.
[0003] During long-term use, existing anti-oxidation linear bearings are usually coated with lubricating oil to reduce friction and wear and improve operating efficiency. However, some of this lubricating oil may remain on the guide shaft during use. Over time, especially when used for a long time or in a harsh environment, the lubricating oil retained on the guide shaft may gradually be contaminated with dust, dirt or other impurities. After these dirt mix with the lubricating oil, they may form abrasive substances, causing wear on the internal parts of the linear bearing, thereby affecting its operating accuracy and lifespan. Utility Model Content
[0004] Based on this, the purpose of the utility model is to provide an antioxidant linear bearing to solve the technical problem that the existing antioxidant linear bearings are prone to dirt contamination due to the long-term retention of lubricating oil on the guide shaft, forming abrasive substances, causing wear on internal parts, and thus affecting the operating accuracy and life.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-oxidation linear bearing, comprising a guide shaft, the outer side of the guide shaft is slidably connected with a linear bearing, the linear bearing comprises an outer sleeve, and nursing mechanisms are adhered to both sides of the linear bearing, the nursing mechanisms comprise side rings, the side rings are adhered to the outer sleeve by glue, a guide sheet is arranged on one side of the side ring, a scraper is arranged on one side of the guide sheet, the scraper does not contact the guide shaft, but the scraper is close to the guide shaft;
[0006] The outer side of the side ring is provided with an external thread, and the outer side of the external thread is threadedly connected with a collecting mechanism.
[0007] By adopting the above technical solution, by adhering the care mechanism on both sides of the outer sleeve and providing a collection mechanism, the cleaning and collection of stains on the guide shaft are effectively achieved, thereby keeping the linear bearing clean and running efficiently.
[0008] Furthermore, the guide blade is used to ensure that the stains can be effectively introduced into the collecting mechanism, and the scraper blade can effectively scrape off the stains attached to the guide shaft.
[0009] By adopting the above technical solution, the arrangement of the guide blade and the scraper blade enables the stains to be effectively introduced into the collection mechanism, and the scraper blade can effectively scrape off the stains attached to the guide shaft, thereby preventing the stains from damaging the linear bearing.
[0010] Furthermore, the collecting mechanism comprises a mounting ring, an inner side of which is provided with an internal thread, and the collecting mechanism is detachably connected to the side ring via the internal thread and the external thread.
[0011] By adopting the above technical solution, the collecting mechanism and the nursing mechanism are connected by threads, thereby achieving a detachable setting, which makes regular cleaning and maintenance easier and more convenient.
[0012] Furthermore, a collecting ring is provided on the outer side of the mounting ring, and the collecting ring is used to collect the stains scraped off by the scraper blade.
[0013] By adopting the above technical solution, the collecting ring is used to specifically collect the stains scraped off by the scraper blade to prevent the stains from re-entering the linear bearing system, thereby keeping the system clean and running efficiently.
[0014] Furthermore, the nursing mechanism and the collecting mechanism are matched with each other, and two groups of the nursing mechanism and the collecting mechanism are provided, and the two groups of the nursing mechanism and the collecting mechanism are mirror-imaged along the central axis of the linear bearing.
[0015] By adopting the above technical solution, the care mechanism and the collection mechanism are matched, and two groups are provided, which are mirror-set along the central axis of the linear bearing. This symmetrical setting ensures that the linear bearing can effectively scrape and collect stains no matter which direction it moves during operation.
[0016] Furthermore, the inner side of the outer sleeve is clamped with the inner sleeve, and the inner side of the inner sleeve is provided with a sliding groove.
[0017] By adopting the above technical solution, the inner sleeve body is clamped on the inner side of the outer sleeve body, and a sliding groove is opened on the inner side of the inner sleeve body. This arrangement enables the linear bearing to better adapt to the sliding of the guide shaft, thereby improving the stability and efficiency of operation.
[0018] Furthermore, a plurality of rolling bodies are arranged inside the sliding groove, and the linear bearing is slidably connected on the guide shaft via the rolling bodies.
[0019] By adopting the above technical solution, a plurality of rolling bodies are arranged inside the sliding groove, and the linear bearing is slidably connected on the guide shaft through the rolling bodies. This arrangement reduces friction and wear and improves the running accuracy and life of the linear bearing.
[0020] Furthermore, a sealing ring is provided at the connection between the linear bearing and the guide shaft, and the sealing ring is used to protect the linear bearing.
[0021] By adopting the above technical solution, a sealing ring is provided at the connection between the linear bearing and the guide shaft to protect the linear bearing from external pollution and damage, thereby improving its reliability and service life.
[0022] In summary, the utility model mainly has the following beneficial effects:
[0023] The utility model provides a care mechanism and a collection mechanism, wherein the side ring is firmly connected to the outer sleeve of the linear bearing by glue, thereby ensuring the stability of the care mechanism, and the guide sheet cleverly guides the stains so that they can be effectively introduced into the collection mechanism, thereby preventing the stains from accumulating around the linear bearing, and although the scraper blade does not directly contact the guide shaft, its position close to the guide shaft enables it to effectively scrape off the stains attached to the guide shaft, preventing these stains from mixing with the lubricating oil to form abrasive substances, thereby protecting the internal parts of the linear bearing and extending its service life, the mounting ring of the collection mechanism is connected to the external thread of the care mechanism by an internal thread, realizing a detachable setting, which is convenient for regular cleaning and maintenance, and the collection ring is located on the outside of the mounting ring, and is specifically used to collect the stains scraped off by the scraper blade, thereby preventing these stains from re-entering the linear bearing system The system is kept clean by the overall setting, that is, the care mechanism and the collection mechanism are both set as two groups, and are mirrored along the central axis of the linear bearing. This symmetrical setting ensures that the linear bearing can effectively scrape and collect stains in any direction of movement during operation. The stains on the guide shaft are continuously scraped off by the scraper, and the stains are introduced into the collection ring through the guide sheet. This setting effectively solves the technical problem that the existing anti-oxidation linear bearings are contaminated with dirt due to the long-term retention of lubricating oil on the guide shaft, forming abrasive substances, causing wear on internal parts, and thus affecting the running accuracy and life. At the same time, the detachable setting of the collection mechanism also makes regular cleaning and maintenance easier. You only need to remove the collection mechanism and clean the stains in it, without the need for complicated cleaning operations on the entire linear bearing. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 This is a schematic diagram of the three-dimensional structure of the linear bearing of the utility model;
[0025] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;
[0026] Figure 3 It is a partial three-dimensional structural diagram of the nursing mechanism of the utility model;
[0027] Figure 4 It is a schematic diagram of the side cross-sectional three-dimensional structure of the utility model.
[0028] In the figure: 1. guide shaft; 2. linear bearing; 201. outer sleeve; 202. inner sleeve; 203. sliding groove; 204. rolling element; 205. sealing ring; 3. nursing mechanism; 301. side ring; 302. guide plate; 303. scraper; 304. external thread; 4. collecting mechanism; 401. mounting ring; 402. collecting ring; 403. internal thread. DETAILED DESCRIPTION
[0029] 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. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.
[0030] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.
[0031] In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "install", "connect", "connect", and "set" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.
[0032] The following describes an embodiment of the utility model based on its overall structure.
[0033] An oxidation-resistant linear bearing, such as Figure 1-Figure 4As shown, it includes a guide shaft 1, the outer side of the guide shaft 1 is slidably connected with a linear bearing 2, the linear bearing 2 includes an outer sleeve 201, and care mechanisms 3 are adhered on both sides of the linear bearing 2. The care mechanisms 3 include a side ring 301, and the side ring 301 is adhered to the outer sleeve 201 by glue. A guide piece 302 is provided on one side of the side ring 301, and a scraper 303 is provided on one side of the guide piece 302. The scraper 303 does not contact the guide shaft 1, but the scraper 303 is close to the guide shaft 1; an external thread 304 is provided on the outer side of the side ring 301, and the outer side of the external thread 304 is threadedly connected with a collecting mechanism 4. By adhering the care mechanism 3 on both sides of the outer sleeve 201 and providing the collecting mechanism 4, the anti-oxidation linear bearing can achieve effective cleaning and collection of stains on the guide shaft 1, thereby ensuring the long-term cleanliness and efficient operation of the linear bearing 2.
[0034] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 The guide piece 302 is used to ensure that the stains can be effectively introduced into the collecting mechanism 4, and the scraper 303 can effectively scrape off the stains attached to the guide shaft 1. The setting of the guide piece 302 ensures that the stains can be smoothly introduced into the collecting mechanism 4, and the scraper 303 can effectively scrape off the stains attached to the guide shaft 1, preventing the stains from potentially damaging the linear bearing 2.
[0035] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 The collecting mechanism 4 includes a mounting ring 401, an inner side of which is provided with an internal thread 403, the collecting mechanism 4 is detachably connected to the side ring 301 via the internal thread 403 and the external thread 304, and the collecting mechanism 4 is detachably connected to the nursing mechanism 3 via the internal thread 403 and the external thread 304, which makes regular cleaning and maintenance more convenient.
[0036] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 A collecting ring 402 is arranged on the outside of the mounting ring 401, and the collecting ring 402 is used to collect the stains scraped off by the scraper 303. The collecting ring 402 is specially arranged to collect the stains scraped off by the scraper 303, which effectively prevents the stains from re-entering the linear bearing 2 system, thereby maintaining the permanent cleanliness of the system.
[0037] See also Figure 1 , Figure 2 , Figure 3 , Figure 4The care mechanism 3 and the collecting mechanism 4 are matched, and there are two groups of care mechanisms 3 and collecting mechanisms 4, which are mirror-set along the central axis of the linear bearing 2. The care mechanism 3 and the collecting mechanism 4 are matched, and there are two groups of care mechanisms 3 and collecting mechanisms 4, which are mirror-set along the central axis of the linear bearing 2. This symmetrical setting ensures that no matter in which direction the linear bearing 2 moves, it can effectively scrape and collect stains.
[0038] See also Figure 1 , Figure 2 The inner side of the outer sleeve 201 is clamped with the inner sleeve 202, and the inner side of the inner sleeve 202 is provided with a sliding groove 203, while the inner side of the outer sleeve 201 is clamped with the inner sleeve 202, and the inner side of the inner sleeve 202 is provided with a sliding groove 203. This arrangement enables the linear bearing 2 to better adapt to the sliding of the guide shaft 1, thereby improving the stability and efficiency of operation.
[0039] See also Figure 1 , Figure 2 A plurality of rolling bodies 204 are arranged on the inner side of the sliding groove 203 , and the linear bearing 2 is slidably connected to the guide shaft 1 through the rolling bodies 204 . This arrangement significantly reduces friction and wear, and improves the running accuracy and service life of the linear bearing 2 .
[0040] See also Figure 1 , Figure 2 A sealing ring 205 is provided at the connection between the linear bearing 2 and the guide shaft 1. The sealing ring 205 is used to protect the linear bearing 2, and a sealing ring 205 is provided at the connection between the linear bearing 2 and the guide shaft 1, which effectively protects the linear bearing 2 from external pollution and damage, thereby significantly improving its reliability and service life.
[0041] The implementation principle of the utility model is as follows: first, the linear bearing 2 is slidably connected to the guide shaft 1 through its outer shell 201 to ensure a stable installation, then, the nursing mechanism 3 is adhered to both sides of the linear bearing 2, and the side ring 301 is firmly adhered to the outer shell 201 by glue, and then, the collecting mechanism 4 is installed to the outside of the side ring 301 of the nursing mechanism 3 through the threaded connection of the internal thread 403 and the external thread 304;
[0042] When the linear bearing 2 slides on the guide shaft 1, the scraper 303 of the care mechanism 3 will approach the guide shaft 1 but not directly contact it, and scrape off the stains attached to the guide shaft. The guide blade 302 ensures that the scraped stains are effectively introduced into the collection mechanism 4. The collection ring 402 is responsible for collecting the stains scraped by the scraper 303 to prevent them from re-entering the linear bearing system.
[0043] Regularly check and clean the stains in the collecting ring 402 to keep the system clean. If more thorough maintenance is required, the collecting mechanism 4 can be removed, the stains therein can be cleaned, and then reinstalled. A sealing ring 205 is provided at the junction of the linear bearing 2 and the guide shaft 1 to protect the linear bearing from external contamination;
[0044] During long-term use, the operating status of the linear bearing 2 is continuously monitored, and the working conditions of the nursing mechanism 3 and the collecting mechanism 4 are regularly checked to ensure that they are in good working condition.
[0045] Parts not involved in the present invention are the same as the prior art or can be implemented by using the prior art, and will not be described in detail here.
[0046] Although an embodiment of the utility model has been shown and described, this specific embodiment is only an explanation of the utility model and is not a limitation of the utility model. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contribution as needed without departing from the principles and purpose of the utility model. However, as long as they are within the scope of the claims of the utility model, they are protected by patent law.
Claims
1. An anti-oxidation linear bearing, characterized in that: The invention comprises a guide shaft (1), the outer side of the guide shaft (1) is slidably connected with a linear bearing (2), the linear bearing (2) comprises an outer sleeve (201), and nursing mechanisms (3) are adhered to both sides of the linear bearing (2), the nursing mechanisms (3) comprise a side ring (301), the side ring (301) and the outer sleeve (201) are adhered to each other by glue, a guide sheet (302) is arranged on one side of the side ring (301), a scraper (303) is arranged on one side of the guide sheet (302), the scraper (303) does not contact the guide shaft (1), but the scraper (303) is close to the guide shaft (1); The outer side of the side ring (301) is provided with an external thread (304), and the outer side of the external thread (304) is threadedly connected to a collecting mechanism (4).
2. The anti-oxidation linear bearing according to claim 1, characterized in that: The guide blade (302) is used to ensure that the stains can be effectively introduced into the collection mechanism (4), and the scraper blade (303) can effectively scrape off the stains attached to the guide shaft (1).
3. The anti-oxidation linear bearing according to claim 1, characterized in that: The collecting mechanism (4) comprises a mounting ring (401), the inner side of which is provided with an internal thread (403), and the collecting mechanism (4) is detachably connected to the side ring (301) via the internal thread (403) and the external thread (304).
4. The anti-oxidation linear bearing according to claim 3, characterized in that: A collecting ring (402) is provided on the outer side of the mounting ring (401), and the collecting ring (402) is used to collect the dirt scraped off by the scraper (303).
5. The anti-oxidation linear bearing according to claim 1, characterized in that: The nursing mechanism (3) and the collecting mechanism (4) are matched with each other, and two groups of the nursing mechanism (3) and the collecting mechanism (4) are provided. The two groups of the nursing mechanism (3) and the collecting mechanism (4) are arranged in a mirror-like manner along the central axis of the linear bearing (2).
6. The anti-oxidation linear bearing according to claim 1, characterized in that: The inner side of the outer sleeve (201) is clamped with the inner sleeve (202), and the inner side of the inner sleeve (202) is provided with a sliding groove (203).
7. The anti-oxidation linear bearing according to claim 6, characterized in that: A plurality of rolling bodies (204) are arranged inside the sliding groove (203), and the linear bearing (2) is slidably connected to the guide shaft (1) via the rolling bodies (204).
8. The anti-oxidation linear bearing according to claim 1, characterized in that: A sealing ring (205) is provided at the connection point between the linear bearing (2) and the guide shaft (1), and the sealing ring (205) is used to protect the linear bearing (2).