Built-in self-lubricating bearing
By designing a built-in self-lubricating structure in the bearing, using the combination of the ring fixing frame and the ball groove, the problem of peripheral bearings being susceptible to foreign objects is solved, and a bearing with high speed and precision is achieved, which improves service life and application prospects.
Patent Information
- Application Number
- CN202420649020.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-29
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-03-29
AI Technical Summary
The existing bearings are mixed with foreign matter due to peripheral devices, resulting in lag, damage and reduced rotation speed, which cannot meet the needs of use.
A built-in self-lubricating bearing is designed. By setting a ring fixture, ball groove, oil storage chamber and oil outlet slot between the bearing and the shaft sleeve, the rubber ring is used to control the oil output of the lubricating oil to achieve a self-lubricating structure. The oil storage chamber and ball groove are fixed at the limit through the ring fixing frame to enhance the internal flow stability.
It realizes the high speed, accuracy and practicality of the bearing, extends the service life, and enhances the stability and accuracy of the transmission.
Smart Images
Figure CN222141809U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bearings, in particular to a built-in self-lubricating bearing. Background Art
[0002] Bearings are an important component in modern mechanical equipment. Their main function is to support the mechanical rotating body, reduce the friction coefficient during its movement, and ensure its rotation accuracy. Bearings are generally divided into linear motion bearings and the more common linear motion bearings with balls replacing rollers.
[0003] Existing bearings are generally externally mounted rotating bodies. Since they are externally mounted, foreign matter may enter the bearings, causing jamming and damage, which damages the bearings and reduces the rotation speed. In addition, external bearings cannot meet people's usage needs well. Utility Model Content
[0004] In order to solve the above problems, the utility model provides a built-in self-lubricating bearing, which solves the problem that the existing bearings are generally rotating bodies arranged outside, and due to the external arrangement, foreign matter may be mixed into the bearing, causing jamming and damage, which damages the bearing and reduces the rotation speed, and the external bearings cannot meet people's usage needs well.
[0005] The technical scheme adopted by the utility model is: comprising a bearing, a shaft sleeve sleeved outside the bearing, a circular ring fixing frame arranged between the bearing and the shaft sleeve, and two groups of ball grooves arranged in the circular ring fixing frame; at least one group of balls and are arranged in each of the two groups of ball grooves, and the two groups of ball grooves are interconnected; two groups of oil storage chambers and oil outlet slots used to control the oil storage chambers are arranged in the circular ring fixing frame, one end of the oil outlet slot is connected to the ball groove and oil is injected into the balls arranged in the ball groove so that the balls roll in the ball groove; a rubber ring is arranged between the oil outlet slot and the ball groove, the rubber ring is used to control the oil output of the oil outlet slot and strengthen the connection stability between the oil outlet slot and the lubricating oil, and the oil outlet slot is connected to the oil storage chamber.
[0006] A further improvement to the above solution is that both ends of the shaft sleeve are provided with assembly ends, and fixing members are provided between the assembly ends and the shaft sleeve, and the fixing members are used to fix the assembly ends.
[0007] A further improvement to the above solution is that the assembly end is a detachable assembly end.
[0008] A further improvement to the above solution is that the annular fixing frame is formed by integral injection molding.
[0009] A further improvement to the above solution is that the balls are continuously arranged in the ball grooves and rotate along with the bearing and the sleeve.
[0010] A further improvement to the above scheme is that one end of the oil storage chamber is penetrated through the annular fixing frame and is provided with an oil filling hole for filling the oil storage chamber with oil.
[0011] A further improvement to the above solution is that a cover is provided on the oil filling hole, and a silicone sealing strip is provided on the cover, and the silicone sealing strip is used to form a sealing structure with the oil filling hole.
[0012] A further improvement to the above scheme is that the oil filling hole is communicated with the oil storage cavity, and the air pressure in the oil storage cavity is controlled by the cover body and the silicone sealing strip.
[0013] A further improvement to the above scheme is that a rubber ring sleeve is provided in the oil outlet groove hole, and the rubber ring sleeve controls the oil outlet of the balls in the ball groove.
[0014] A further improvement to the above scheme is that a rubber plate is provided in the direction of the rubber ring sleeve and in the oil outlet slot hole, and the rubber plate and the rubber ring sleeve form an oil storage tank, and the oil storage tank continuously supplies oil to the ball groove.
[0015] The beneficial effects of the utility model are:
[0016] Compared with the existing bearings, the utility model forms a connecting structure by connecting the oil storage chamber and the oil outlet slot hole on the ball groove and is provided with a rubber ring to control the amount of lubricating oil in the oil storage chamber. The pressure of the lubricating oil in the oil storage chamber is increased by the bearing during rotation, so that the oil outlet slot hole controls the oil body through the rubber ring in and out, thereby realizing a self-lubricating structure. The oil storage chamber and the ball groove are both arranged on a circular ring fixing frame, which are limited and fixed by the circular ring fixing frame to enhance the stability of the internal flow, thereby improving the accuracy of the bearing transmission so that the balls are driven to roll in the ball groove, thereby increasing the rotation speed of the bearing. The utility model has strong practicality, high accuracy and good application prospects. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a three-dimensional diagram of the built-in self-lubricating bearing of the utility model;
[0018] Figure 2 This is a front view of the built-in self-lubricating bearing of the utility model;
[0019] Figure 3 for Figure 2 Cross-sectional view at AA in the middle.
[0020] Description of reference numerals:
[0021] Bearing 1;
[0022] Bushing 2, assembly end 21, fixing member 22;
[0023] Ring fixing frame 3, ball groove 31, ball 32, oil storage cavity 33, oil filling hole 331, cover body 332, silicone sealing strip 333, oil outlet slot hole 34, rubber ring sleeve 341, rubber plate 342, oil storage groove 343, rubber ring 35. DETAILED DESCRIPTION
[0024] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.
[0025] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.
[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.
[0027] like Figure 1-3 As shown, the built-in self-lubricating bearing 1 of the utility model comprises a bearing 1, a sleeve 2 sleeved outside the bearing 1, a circular ring fixing frame 3 arranged between the bearing 1 and the sleeve 2, and two groups of ball grooves 31 arranged in the circular ring fixing frame 3; at least one group of balls 32 are arranged in each of the two groups of ball grooves 31, and the two groups of ball grooves are connected to each other; an oil storage cavity 33 and an oil outlet slot 34 for controlling the oil storage cavity 33 are arranged in the circular ring fixing frame 3, one end of the oil outlet slot 34 is connected to the ball groove 31 and fills the ball 32 arranged in the ball groove 31 with oil, so that the ball 32 rolls in the ball groove 31, a rubber ring 35 is arranged between the oil outlet slot 34 and the ball groove 31, the rubber ring 35 is used to control the oil output of the oil outlet slot 34 and strengthen the connection stability between the oil outlet slot 34 and the lubricating oil, and the oil outlet slot 34 is connected to the oil storage cavity 33.
[0028] like Figure 1 As shown, both ends of the sleeve 2 are provided with assembly ends 21, and fixing parts 22 are provided between the assembly ends 21 and the sleeve 2. The fixing parts 22 are used to fix the assembly ends 21. In this embodiment, the assembly ends 21 are used to facilitate the assembly of the bearing 1, thereby increasing the rotation speed of the bearing 1.
[0029] The assembly end 21 is a detachable assembly end 21. In this embodiment, the assembly end 21 is a detachable assembly end 21, which improves the practicality of the bearing 1 assembly. When assembly and fixation are required, they can be assembled and fixed through the assembly end 21. When not needed, the two ends of the bearing 1 can be disassembled. The assembly is simple, practical, and easy to operate.
[0030] like Figure 3 As shown, the annular fixing frame 3 is formed by integral injection molding. In this embodiment, the integral injection molding facilitates the improvement of the practicability of the roller fixing frame, thereby improving the stability of the movement of the bearing 1 and the sleeve 2 and the stable transmission of the roller in the roller groove.
[0031] The balls 32 are continuously arranged in the ball grooves 31 and rotate with the bearing 1 and the sleeve 2. In this embodiment, the rollers are continuously arranged in the roller grooves so that the rollers can roll along the ball grooves 31. The rolling of the rollers can further improve the transmission performance and transmission stability of the bearing 1, with high transmission accuracy and good practicality.
[0032] One end of the oil storage chamber 33 is penetrated through the annular fixing frame 3 and is provided with an oil filling hole 331 for filling the oil storage chamber 33 with oil. In this embodiment, the oil filling hole 331 is used to facilitate the lubrication of the oil storage chamber 33 to maintain the lubrication oil supply in the oil storage chamber 33.
[0033] The oil filling hole 331 is provided with a cover body 332, and the cover body 332 is provided with a silicone sealing strip 333, and the silicone sealing strip 333 is used to form a sealing structure with the oil filling hole 331. In this embodiment, the cover body 332 and the silicone sealing strip 333 are used to form a sealing structure with the oil filling hole 331, and the sealing performance is good, which can prevent the entry of foreign matter, improve the purity of the lubricating oil, and thus improve the service life of the bearing 1, and the practicality is strong.
[0034] The oil filling hole 331 is communicated with the oil storage chamber 33, and the air pressure in the oil storage chamber 33 is controlled by the cover body 332 and the silicone sealing strip 333. In this embodiment, the communicating structure facilitates the bearing 1 to increase the pressure in the oil storage chamber 33 when rotating. Due to the different rotation speeds of the bearing 1, the pressure difference in the oil storage chamber 33 is different, so that the lubricating oil in the oil storage chamber 33 can be controlled to enter and exit through the pressure difference, so that the lubricating oil can be evenly distributed on the ball 32 in the ball groove 31, and the fluidity of the lubricating oil is enhanced, so that the lubricating oil can be fully utilized, the loss is reduced, and the bearing 1 is effectively protected, thereby improving the practicality and service life of the bearing 1.
[0035] A rubber ring sleeve 341 is provided in the oil outlet groove hole 34, and the rubber ring sleeve 341 controls the oil output of the ball 32 in the ball groove 31. In this embodiment, the rubber ring sleeve 341 is used to enhance the connection stability between the oil outlet groove hole 34 and the oil storage chamber 33, and the rubber ring sleeve 341 can further control the amount of lubricating oil in the oil outlet groove hole 34 to ensure the lubricity in the ball groove 31.
[0036] A rubber plate 342 is provided in the rubber ring sleeve 341 toward the oil outlet groove hole 34, and the rubber plate 342 and the rubber ring sleeve 341 form an oil storage groove 343, and the oil storage groove 343 continuously supplies oil to the ball groove 31. In this embodiment, the oil storage groove 343 is used to further control the oil storage of the oil outlet groove hole 34, so as to continuously supply lubricating oil to the ball 32 in the ball groove 31, thereby ensuring the lubricity in the ball groove 31 and extending the service life and practicality of the ball 32.
[0037] The utility model has a built-in self-lubricating bearing 1, including a bearing 1, a shaft sleeve 2 sleeved outside the bearing 1, a circular ring fixing frame 3 arranged between the bearing 1 and the shaft sleeve 2, and a ball groove 31 arranged in the circular ring fixing frame 3, wherein at least one group of balls 32 are arranged in the ball groove 31, an oil storage chamber 33 and an oil outlet slot 34 for controlling the oil storage chamber 33 to be discharged, one end of the oil outlet slot 34 is connected to the ball groove 31 and oil is injected into the balls 32 arranged in the ball groove 31, so that the balls 32 roll in the ball groove 31, a rubber ring 35 is arranged between the oil outlet slot 34 and the ball groove 31, and the rubber ring 35 is used to control the oil output of the oil outlet slot 34 and strengthen the connection stability between the oil outlet slot 34 and the lubricating oil, and the oil storage chamber 33 and the oil outlet slot 34 on the ball groove 31 are connected to form The connecting structure is provided with a rubber ring 35 to control the amount of lubricating oil in the oil storage chamber 33, and the pressure of the lubricating oil in the oil storage chamber 33 is increased by the bearing 1 during the rotation process, so that the oil outlet slot hole 34 controls the oil body to enter and exit through the rubber ring 35, thereby realizing a self-lubricating structure, and the oil storage chamber 33 and the ball groove 31 are both arranged on the annular fixing frame 3, and are limited and fixed by the annular fixing frame 3 to enhance the stability of the internal flow, and the ball groove 31 and the oil storage chamber 33 are provided with two groups, both of which are provided with ball grooves 31 and oil storage chambers 33, and the two groups of oil storage chambers 33 and ball grooves 31 realize the phenomenon of circulation reflux in the bearing transmission process, which has high practicality and good efficiency, thereby improving the transmission accuracy of the bearing 1 so as to drive the ball 32 to roll in the ball groove 31, thereby improving the rotation speed of the bearing 1, and has strong practicality and high precision, and has a good application prospect.
[0038] The above embodiments only express several implementation methods of the utility model, and the descriptions are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.
Claims
1. A built-in self-lubricating bearing, characterized in that: It includes a bearing, a sleeve sleeved outside the bearing, a circular ring fixing frame arranged between the bearing and the sleeve, and two groups of ball grooves arranged in the circular ring fixing frame; at least one group of balls are arranged in each of the two groups of ball grooves, and the two groups of ball grooves are interconnected; two groups of oil storage chambers and oil outlet slots used to control the oil storage chambers are arranged in the circular ring fixing frame, one end of the oil outlet slot is connected to the ball groove and oil is injected into the balls arranged in the ball groove so that the balls roll in the ball groove; a rubber ring is arranged between the oil outlet slot and the ball groove, the rubber ring is used to control the oil output of the oil outlet slot and strengthen the connection stability between the oil outlet slot and the lubricating oil, and the oil outlet slot is connected to the oil storage chamber.
2. The built-in self-lubricating bearing according to claim 1, characterized in that: Both ends of the shaft sleeve are provided with assembly ends, and fixing pieces are provided between the assembly ends and the shaft sleeve, and the fixing pieces are used to fix the assembly ends.
3. The built-in self-lubricating bearing according to claim 2, characterized in that: The assembly end is a detachable assembly end.
4. The built-in self-lubricating bearing according to claim 1, characterized in that: The circular ring fixing frame is formed by integral injection molding.
5. The built-in self-lubricating bearing according to claim 1, characterized in that: The balls are arranged continuously in the ball grooves and rotate along with the bearing and the shaft sleeve.
6. The built-in self-lubricating bearing according to claim 5, characterized in that: One end of the oil storage cavity is penetrated through the annular fixing frame and is provided with an oil filling hole for filling the oil storage cavity with oil.
7. The built-in self-lubricating bearing according to claim 6, characterized in that: A cover body is provided on the oil filling hole, and a silicone sealing strip is provided on the cover body. The silicone sealing strip is used to form a sealing structure with the oil filling hole.
8. The built-in self-lubricating bearing according to claim 7, characterized in that: The oil filling hole is communicated with the oil storage cavity, and the air pressure in the oil storage cavity is controlled by the cover body and the silicone sealing strip.
9. The built-in self-lubricating bearing according to claim 1, characterized in that: A rubber ring sleeve is arranged in the oil outlet groove hole, and the rubber ring sleeve controls the oil outlet of the balls in the ball groove.
10. The built-in self-lubricating bearing according to claim 9, characterized in that: A rubber plate is arranged in the direction of the rubber ring sleeve and in the oil outlet slot hole, and the rubber plate and the rubber ring sleeve form an oil storage slot, and the oil storage slot continuously supplies oil to the ball groove.