Dustproof self-lubricating bearing
By setting fixing parts and self-lubricating wear-resistant bushings inside the bearings, combined with dustproof parts, the problems of shaft wear and dust prevention are solved, the self-lubricating and dust-proof functions of the bearings are realized, and the service life of the bearings is extended.
Patent Information
- Application Number
- CN202422220489.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-11
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-09-11
AI Technical Summary
Existing bearings are prone to excessive shaft wear and lack dust protection.
A dustproof self-lubricating bearing is designed, which adopts the fixing parts and self-lubricating wear-resistant bushing in the open bearing, combined with the dustproof parts to achieve the fixing and dustproof effects of the rotating shaft.
It effectively avoids excessive wear of the shaft and provides dust protection for open bearings, thus extending the service life of the bearings.
Smart Images

Figure CN223374938U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bearings, in particular to a dustproof self-lubricating bearing. Background Art
[0002] Bearings are an important component in modern mechanical equipment. Their main function is to support mechanical rotating bodies, reduce the friction coefficient during their movement, and ensure their rotation accuracy. Open bearings are suitable for high-speed and even ultra-high-speed operation, are very durable, and do not require frequent maintenance.
[0003] The bearing part in the existing technology adopts cast iron closed type, and the installation form is the upper and lower parts clamped, which easily causes excessive wear of the rotating shaft, and conventional bearings cannot be dust-proof. Therefore, we propose a dust-proof self-lubricating bearing. Utility Model Content
[0004] (1) Technical problems solved
[0005] In response to the shortcomings of the existing technology, the utility model provides a dust-proof self-lubricating bearing, which has the advantages of not only avoiding excessive wear of the rotating shaft, but also providing dust protection for open bearings, thus solving the problem that traditional bearings are prone to excessive wear of the rotating shaft.
[0006] (2) Technical solution
[0007] In order to achieve the above-mentioned purpose of not only avoiding excessive wear of the rotating shaft but also protecting the open bearing from dust, the utility model provides the following technical solution: a dustproof self-lubricating bearing, comprising an open bearing, a fixing member is provided inside the open bearing, the fixing member is used to fix the open bearing to achieve no wear on the rotating shaft, a self-lubricating wear-resistant bushing is provided inside the open bearing, the self-lubricating wear-resistant bushing is made of copper tiles inlaid with graphite lubricant, and the self-lubricating wear-resistant bushing is used for self-lubrication and wear resistance;
[0008] A dustproof part is provided inside the outer surface of the open bearing, and the dustproof part is used to prevent dust from entering the open bearing.
[0009] As a preferred technical solution of the present invention, a threaded hole is provided inside the open bearing, and the inner cavity of the threaded hole is movably connected to the fixing member.
[0010] As an optimal technical solution of the present invention, the fixing part includes a connecting bolt, the outer surface of the connecting bolt is movably connected to the inner cavity of the threaded hole, the outer surface of the connecting bolt is sleeved with a limit baffle, the bottom end of the limit baffle is movably connected to the top of the open bearing, the top of the limit baffle is movably connected with a washer, the inner cavity of the washer is movably sleeved with the outer surface of the connecting bolt, the top of the washer is movably connected with a nut, and the inner cavity of the nut is threadedly connected to the outer surface of the connecting bolt.
[0011] As a preferred technical solution of the present invention, a clamping groove is provided inside the top end of the open bearing, and the inner cavity of the clamping groove is movably connected to the dustproof part.
[0012] As an optimal technical solution of the present invention, the dustproof part includes a dust cover, the inner cavity of the dust cover is movably connected to the open bearing, and the two side walls of the inner cavity of the dust cover are fixedly installed with clamping blocks, and the clamping blocks are movably clamped to the inner cavity of the clamping groove.
[0013] (3) Beneficial effects
[0014] Compared with the prior art, the present invention provides a dustproof self-lubricating bearing with the following features:
[0015] Beneficial effects:
[0016] 1. The dustproof self-lubricating bearing is constructed by installing a self-lubricating wear-resistant bushing inside an open bearing, then using connecting bolts to install the open bearing in a specified position, and then sequentially sleeve the limit baffle and the washer on the outer surface of the connecting bolt, and using nuts to fix the limit baffle and the washer on the connecting bolt. When the open bearing is running, during this period, the self-lubricating wear-resistant bushing has a self-lubricating effect and avoids excessive wear of the rotating shaft, thereby facilitating the fixing of the open bearing and thus avoiding excessive wear of the rotating shaft.
[0017] 2. The dustproof self-lubricating bearing is constructed by clamping a dust cover with a clamping block on the outer surface of the open bearing. At this time, the clamping block fixed on the side wall of the inner cavity of the dust cover moves in the clamping groove cavity opened inside the open bearing until the dust cover completely covers the open bearing, thereby facilitating dust protection for the open bearing. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is the main perspective view of the utility model;
[0019] Figure 2 This is a three-dimensional diagram of the open bearing of the utility model;
[0020] Figure 3This is a half-cut perspective view of the utility model;
[0021] Figure 4 This is a three-dimensional diagram of the dustproof part of the utility model.
[0022] In the figure: 1. open bearing; 11. threaded hole; 12. snap-in groove; 2. fixing piece; 21. connecting bolt; 22. limit baffle; 23. washer; 24. nut; 3. self-lubricating wear-resistant bushing; 4. dustproof piece; 41. dust cover; 42. snap-in block. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0024] See also Figure 1-4 A dustproof self-lubricating bearing includes an open bearing 1. A fixing member 2 is provided inside the open bearing 1. The fixing member 2 is used to fix the open bearing 1 to achieve wear-free rotation of the shaft. A self-lubricating wear-resistant bushing 3 is provided inside the open bearing 1. The self-lubricating wear-resistant bushing 3 uses a copper tile inlaid with graphite lubricant. The self-lubricating wear-resistant bushing 3 is used for self-lubrication and wear resistance.
[0025] A dustproof member 4 is provided inside the outer surface of the open bearing 1 , and the dustproof member 4 is used to prevent dust from entering the open bearing 1 .
[0026] Specifically, a threaded hole 11 is defined inside the open bearing 1 , and an inner cavity of the threaded hole 11 is movably connected to the fixing member 2 .
[0027] In this embodiment, a threaded hole 11 is provided inside the open bearing 1 , thereby facilitating installation of the fixing member 2 inside the open bearing 1 .
[0028] Specifically, the fixing part 2 includes a connecting bolt 21, the outer surface of the connecting bolt 21 is movably connected to the inner cavity of the threaded hole 11, the outer surface of the connecting bolt 21 is sleeved with a limit baffle 22, the bottom end of the limit baffle 22 is movably connected to the top of the open bearing 1, the top of the limit baffle 22 is movably connected with a washer 23, the inner cavity of the washer 23 is movably sleeved with the outer surface of the connecting bolt 21, the top of the washer 23 is movably connected with a nut 24, and the inner cavity of the nut 24 is threadedly connected to the outer surface of the connecting bolt 21.
[0029] In this embodiment, the open bearing 1 is installed in the specified position by using the connecting bolt 21, and then the limit baffle 22 and the washer 23 are successively sleeved on the outer surface of the connecting bolt 21, and then the limit baffle 22 and the washer 23 are fixed to the connecting bolt 21 by the nut 24, thereby conveniently fixing the open bearing 1.
[0030] Specifically, a clamping groove 12 is provided inside the top end of the open bearing 1 , and an inner cavity of the clamping groove 12 is movably connected to the dustproof member 4 .
[0031] In this embodiment, the clamping groove 12 is opened inside the top end of the open bearing 1 to facilitate the installation of the dustproof member 4 inside the open bearing 1 .
[0032] Specifically, the dustproof part 4 includes a dust cover 41, the inner cavity of the dust cover 41 is movably connected to the open bearing 1, and the inner cavity walls of the dust cover 41 are fixedly installed with clamping blocks 42, which are movably clamped between the clamping blocks 42 and the inner cavity of the clamping groove 12.
[0033] In this embodiment, the dust cover 41 equipped with the clamping block 42 is clamped to the outer surface of the open bearing 1. At this time, the clamping block 42 fixed on the side wall of the inner cavity of the dust cover 41 moves in the inner cavity of the clamping groove 12 opened inside the open bearing 1 until the dust cover 41 completely covers the open bearing 1, thereby facilitating dust protection for the open bearing 1.
[0034] Working principle: When in use, the self-lubricating wear-resistant bushing 3 is installed inside the open bearing 1, and then the open bearing 1 is installed in the specified position using the connecting bolt 21. The limit baffle 22 and the washer 23 are then sleeved on the outer surface of the connecting bolt 21 in sequence, and the limit baffle 22 and the washer 23 are fixed to the connecting bolt 21 using the nut 24. When the open bearing 1 is running, the self-lubricating wear-resistant bushing 3 has a self-lubricating effect and avoids excessive wear of the rotating shaft, thereby facilitating the fixing of the open bearing 1 and thus avoiding excessive wear of the rotating shaft.
[0035] Then, the dust cover 41 equipped with the clamping block 42 is clamped to the outer surface of the open bearing 1. At this time, the clamping block 42 fixed on the side wall of the inner cavity of the dust cover 41 moves in the inner cavity of the clamping groove 12 opened inside the open bearing 1 until the dust cover 41 completely covers the open bearing 1, thereby facilitating dust protection for the open bearing 1. This device can not only avoid excessive wear of the rotating shaft, but also provide dust protection for the open bearing 1.
[0036] It should be noted that, in this document, terms such as "comprises," "includes," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus comprising a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or apparatus comprising the element.
[0037] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A dustproof self-lubricating bearing, comprising an open bearing (1), characterized in that: A fixing member (2) is provided inside the open bearing (1), and the fixing member (2) is used to fix the open bearing (1) so as to achieve a wear-free rotating shaft. A self-lubricating wear-resistant bushing (3) is provided inside the open bearing (1), and the self-lubricating wear-resistant bushing (3) adopts a copper tile inlaid with graphite lubricant, and the self-lubricating wear-resistant bushing (3) is used for self-lubrication and wear resistance; A dustproof part (4) is provided inside the outer surface of the open bearing (1), and the dustproof part (4) is used to prevent dust from entering the open bearing (1).
2. The dustproof self-lubricating bearing according to claim 1, characterized in that: A threaded hole (11) is provided inside the open bearing (1), and an inner cavity of the threaded hole (11) is movably connected to the fixing member (2).
3. The dustproof self-lubricating bearing according to claim 2, characterized in that: The fixing member (2) includes a connecting bolt (21), the outer surface of the connecting bolt (21) is movably connected to the inner cavity of the threaded hole (11), the outer surface of the connecting bolt (21) is sleeved with a limit baffle (22), the bottom end of the limit baffle (22) is movably connected to the top end of the open bearing (1), the top end of the limit baffle (22) is movably connected to a washer (23), the inner cavity of the washer (23) is movably sleeved to the outer surface of the connecting bolt (21), the top end of the washer (23) is movably connected to a nut (24), and the inner cavity of the nut (24) is threadedly connected to the outer surface of the connecting bolt (21).
4. The dustproof self-lubricating bearing according to claim 1, characterized in that: A snap-fit groove (12) is provided inside the top end of the open bearing (1), and an inner cavity of the snap-fit groove (12) is movably connected to the dustproof component (4).
5. The dustproof self-lubricating bearing according to claim 4, characterized in that: The dustproof member (4) includes a dustproof cover (41), the inner cavity of the dustproof cover (41) is movably connected to the open bearing (1), and clamping blocks (42) are fixedly installed on both side walls of the inner cavity of the dustproof cover (41), and the clamping blocks (42) are movably clamped to the inner cavity of the clamping groove (12).