Small bearing with lubricating oil supply structure

Abstract

The utility model relates to the technical field of bearings, and discloses a small-sized bearing with a lubricating oil supply structure, which comprises a bearing outer ring and a bearing inner ring, balls are equidistantly mounted between the bearing outer ring and the bearing inner ring, a retainer is sleeved on the surfaces of a plurality of groups of balls, and a lubricating oil supply structure is arranged on the retainer. An oil supply assembly used for lubricating oil supply is arranged in the bearing outer ring, and a plurality of sets of oil control assemblies used for controlling oil outlet are arranged on the side, close to the multiple sets of balls, of the interior of the bearing outer ring. By arranging the oil control assembly, a certain amount of oil can be stored in the outer ring of the bearing in advance to supply oil to the bearing, manual oil coating at regular intervals can be better replaced, and more trouble is saved; and the stored oil can flow out through a gap between the sliding block and the inner wall of the clamping groove, so that oil coating lubrication is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing technical field, specifically, relate to a small -size bearing with lubricating oil supply structure. BACKGROUND

[0002] Small -size bearing is the component of supporting the shaft with smaller volume, and the shaft can rotate on the bearing, and its main function is to support the mechanical rotary body, reduce the friction coefficient in its movement process, and ensure its rotation accuracy.

[0003] Most small -size bearings are generally faced with the problem of insufficient lubrication in the use process, and the direct contact between the rolling element and the raceway can cause the friction coefficient to increase greatly, and further cause the surface to wear out prematurely, and the traditional bearing lubrication mode depends on artificial regular smearing lubricating oil, and this mode is more troublesome, and the efficiency is low, and the artificial labor is occupied, and the practicability of the device is greatly reduced, and therefore, the small -size bearing with lubricating oil supply structure is provided to solve the above -mentioned problems. SUMMARY

[0004] The utility model discloses a small -size bearing with lubricating oil supply structure, and solves the problem that the traditional bearing lubrication mode in the prior art depends on artificial regular smearing lubricating oil, and this mode is more troublesome, and the efficiency is low, and the artificial labor is occupied, and the practicability of the device is greatly reduced.

[0005] The utility model provides the following technical scheme: a small -size bearing with lubricating oil supply structure, including bearing outer ring and bearing inner ring, the equal interval installation of ball is between bearing outer ring and bearing inner ring, the surface of a plurality of groups ball is equipped with retainer, the upper and lower sides between bearing outer ring and bearing inner ring are all connected and installed cover, the inside of bearing outer ring is provided with oil supply subassembly for lubricating oil supply, the side of bearing outer ring inside close to a plurality of groups ball is provided with a plurality of groups oil control subassembly for controlling oil, the top side of bearing outer ring is provided with the plugging subassembly for preventing oil leakage.

[0006] As the preferred technical scheme, the oil supply subassembly includes a plurality of groups oil storage cavity, a plurality of groups oil storage cavity are all equidistantly set up in the inside of bearing outer ring, the inner wall between a plurality of groups oil storage cavity is all set up with the communicating port, the side of each oil storage cavity inner wall close to ball is all set up with the oil outlet, each oil control subassembly is all set up in the side of oil outlet close to ball, wherein the inner wall top of one group oil storage cavity is set up with the oil injection port, and the plugging subassembly is set up in the side of bearing outer ring top close to the oil injection port.

[0007] By the above technical scheme, a certain amount of oil can be stored in advance to supply the bearing, which can better replace the manual regular oiling, is more convenient, reduces the occupation of manual labor, and greatly improves the practicability of the device.

[0008] As a preferred form of the above technical scheme, each of the oil control assemblies comprises a mounting groove, each of the mounting grooves is formed in the inner wall of the oil outlet away from the oil storage cavity, a spring is mounted on one side of each of the mounting grooves close to the oil outlet, a sliding block is slidingly mounted on one side of each of the mounting grooves away from the oil outlet, a limiting rod is connected to the surface of each of the sliding blocks at equal intervals, a sliding groove is formed in the inner wall of each of the mounting grooves at equal intervals, each of the limiting rods is slidingly mounted in the sliding groove, and each of the springs is in contact with a plurality of limiting rods at one end close to the sliding block.

[0009] According to the above technical scheme, when a plurality of balls rotate to the position of extruding and pushing the sliding block, the stored oil can flow out through the gap between the sliding block and the inner wall of the clamping groove, thereby realizing oiling and lubrication, and when the ball leaves the sliding block, the outlet can be closed, thereby better avoiding continuous oil outflow and waste.

[0010] As a preferred form of the above technical scheme, the plugging assembly comprises a cover plate and a slot, the cover plate is hingedly mounted at a position corresponding to the oil inlet on the top end of the bearing outer ring, a connecting block is connected to the side end of the cover plate, a plug is connected to the bottom end of the connecting block, the slot is formed in the side of the top end of the bearing outer ring close to the oil inlet, the plug is inserted into the slot, a limiting slot is formed in the side end of the plug, and a limiting assembly for limiting and fixing the plug is arranged on the side of the slot close to the limiting slot.

[0011] According to the above technical scheme, when the cover plate is rotated to close the oil inlet, the connecting block is driven by the cover plate, and the plug is inserted into the slot, so that the oil inlet can be plugged, and the oil stored in the oil storage cavity can be better prevented from leaking out and causing waste.

[0012] As a preferred form of the above technical scheme, a rubber pad is glued to the bottom end of the cover plate and inserted into the oil inlet, and the outer wall of the rubber pad is in close contact with the inner wall of the oil inlet.

[0013] According to the above technical scheme, the sealing effect of the cover plate is better, and oil leakage is less likely to occur.

[0014] As the preferred technical scheme of the above, the limiting assembly comprises a movable slot, the movable slot is arranged on one side of the inner wall of the slot, a spring two is arranged on the inner side of the movable slot, a limiting block is slidingly arranged at the opening of the movable slot, the inner end of the limiting block is connected with the spring two, the limiting block is inserted into the limiting slot, the top end of the limiting block is connected with a connecting rod, a guide opening is arranged at the top end of the inner wall of the movable slot, and the connecting rod slides in the guide opening.

[0015] Through the above technical scheme, when the plug is inserted into the slot, the plug will press and push the limiting block, the limiting block is pushed into the movable slot to compress the spring two, until the plug drives the limiting slot to correspond to the movable slot, the limiting block can be inserted into the limiting slot by the rebound force of the spring two, so that the plug can be limited, so that the cover plate is closed more stably.

[0016] As the preferred technical scheme of the above, the top end of the connecting rod extends to the top end of the outer ring of the bearing, and a push block is arranged at the top end of the connecting rod.

[0017] Through the above technical scheme, the connecting rod is driven to slide in the guide opening by pushing the push block, the connecting rod drives the limiting block to move, until the limiting block is pulled out of the limiting slot, so that the limiting and locking of the plug can be released, so that the cover plate can be rotated again to open the oil injection port, and oil can be injected into the oil storage cavity again, thereby greatly increasing the convenience of the device.

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] The utility model discloses a supply oil assembly, which can store a certain amount of oil in the bearing outer ring in advance, and supply oil for the bearing, thereby better replacing manual regular oiling, saving labor and reducing the occupation of manual labor, and the control oil assembly is arranged, so that when a plurality of groups of balls rotate to the position of extruding and pushing the sliding block, the stored oil can flow out through the gap between the sliding block and the inner wall of the clamping groove, thereby realizing oiling and lubrication, and when the balls leave the sliding block, the outlet can be closed, thereby better avoiding continuous oil outflow and waste, and the plugging assembly is arranged to plug the opening of the oil injection port, thereby better avoiding oil leakage. DRAWINGS

[0020] Figure 1 It is a whole structure schematic diagram of a small bearing with lubricating and oil supplying structure.

[0021] Figure 2 It is a top view sectional structure schematic diagram of a small bearing with lubricating and oil supplying structure.

[0022] Figure 3 It is a front view sectional structure schematic diagram of a small bearing with lubricating and oil supplying structure.Figure 1 ;

[0023] Figure 4 For Figure 3 enlarged view of A in the middle;

[0024] Figure 5 For a small bearing with lubricating oil supply structure, the front view structure diagram Figure 2 ;

[0025] Figure 6 For Figure 5 enlarged view of B in the middle.

[0026] In the figure: 1, bearing outer ring; 11, bearing inner ring; 12, ball; 13, retainer; 14, cover; 2, oil supply assembly; 21, oil storage cavity; 22, communication port; 23, oil outlet; 24, oil inlet; 3, oil control assembly; 31, mounting groove; 32, spring one; 33, sliding block; 34, limiting rod; 35, sliding groove; 36, clamping groove; 4, plugging assembly; 41, cover plate; 42, rubber pad; 43, connecting block; 44, plug block; 45, plug groove; 46, limiting groove; 5, limiting assembly; 51, movable slot; 52, spring two; 53, limiting block; 54, connecting rod; 55, guide opening; 56, push block. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0028] As Figures 1-6The utility model provides a technical scheme: a small -size bearing with lubricating oil supply structure, including bearing outer race 1 and bearing inner race 11, and the equal interval installation of ball 12 between bearing outer race 1 and bearing inner race 11, the surface of several groups of ball 12 is equipped with retainer 13, and the upper and lower sides between bearing outer race 1 and bearing inner race 11 are all clamped and installed cover 14, the inside of bearing outer race 1 is provided with the oil supply assembly 2 for lubricating oil supply, and the inside of bearing outer race 1 is provided with several groups of oil control assembly 3 for controlling the oil outlet near several groups of ball 12, and the top side of bearing outer race 1 is provided with the plugging assembly 4 for preventing oil leakage, the oil supply assembly 2 includes several groups of oil storage cavity 21, and several groups of oil storage cavity 21 are all equidistantly set up in the inside of bearing outer race 1, and the inner wall between several groups of oil storage cavity 21 is all provided with the communicating port 22, and the inner wall of each oil storage cavity 21 is all provided with the oil outlet 23 near ball 12, and each oil control assembly 3 is all set up in the oil outlet 23 near ball 12, the inner wall top of one group of oil storage cavity 21 is provided with the oil injection port 24, and the plugging assembly 4 is set up in the top of bearing outer race 1 near the oil injection port 24 side, and the structure makes the oil injection in one group of oil storage cavity 21 through the oil injection port 24, and when the oil in this group of oil storage cavity 21 reaches the height of communicating port 22, the oil injection in other groups of oil storage cavity 21 through communicating port 22, until the oil injection in several groups of oil storage cavity 21, and the oil in the inside of oil storage cavity 21 also flows to the oil outlet 23, so a certain amount of oil can be stored in advance, and the artificial need regular artificial oil coating can be better replaced, is more convenient, reduces the occupation to artificial labor, greatly increases the practicability of the device.

[0029] As an embodiment in the present embodiment, as Figure 4 and Figure 5As shown, each group of oil control assemblies 3 comprises a mounting groove 31, each group of mounting grooves 31 is arranged on the inner wall of the oil outlet 23 away from the oil storage cavity 21, a spring 32 is mounted on the side of each group of mounting grooves 31 close to the oil outlet 23, a sliding block 33 is slidingly mounted on the side of each group of mounting grooves 31 away from the oil outlet 23, the surface of each group of sliding blocks 33 is equally connected with a limiting rod 34, a sliding groove 35 is equally arranged on the inner wall of each group of mounting grooves 31, each group of limiting rods 34 is slidingly installed in the sliding groove 35, the end of each group of springs 32 close to the sliding block 33 abuts against a plurality of groups of limiting rods 34, and a clamping groove 36 adapted to the outer wall of the end of the sliding block 33 is arranged on the side of the inner wall of each group of mounting grooves 31 close to the ball 12. This structure makes the ball 12 rotate the sliding block 33, which will be squeezed and pushed to the mounting groove 31, and the limiting rod 34 will slide in the sliding groove 35, and the spring 32 will be compressed at the same time. Moreover, the oil stored in the oil storage cavity 21 will first enter the mounting groove 31 through the oil outlet 23. Therefore, when the sliding block 33 moves into the mounting groove 31 and separates from the inner wall of the clamping groove 36, the stored oil can flow out through the gap between the sliding block 33 and the inner wall of the clamping groove 36, thereby realizing oiling, so that the lubrication effect of the bearing is better when in use.

[0030] It should be noted that a plurality of groups of sliding blocks 33 are arranged at the position where the inner wall of the bearing outer ring 1 abuts against a plurality of groups of balls 12, and the end of each group of sliding blocks 33 is hemispherical. In this way, the plurality of groups of balls 12 can better push and squeeze the sliding blocks 33 when rotating.

[0031] As an embodiment in this embodiment, as shown in Figure 3 and Figure 6As shown, the blocking assembly 4 comprises a cover plate 41 and a slot 45, the cover plate 41 is hingedly installed at the top end of the bearing outer ring 1 corresponding to the oil inlet 24, the side end of the cover plate 41 is connected with a connecting block 43, the bottom end of the connecting block 43 is connected with a plug 44, the slot 45 is opened on the side of the top end of the bearing outer ring 1 close to the oil inlet 24, the plug 44 is inserted into the slot 45, the side end of the plug 44 is provided with a limiting groove 46, the inner wall of the slot 45 close to the limiting groove 46 is provided with a limiting assembly 5 for limiting and fixing the plug 44, which makes the cover plate 41 rotates to close the oil inlet 24, at the same time, the cover plate 41 drives the connecting block 43, and the connecting block 43 drives the plug 44 to insert into the slot 45, so that the oil inlet 24 can be blocked, which can better avoid the oil stored in the oil storage cavity 21 from leaking out and causing waste, the bottom end of the cover plate 41 is glued with a rubber pad 42, and the rubber pad 42 is inserted into the oil inlet 24, the outer wall of the rubber pad 42 is fitted with the inner wall of the oil inlet 24, so that the sealing effect of the cover plate 41 is better and oil leakage is less likely, the limiting assembly 5 comprises a movable groove 51, the movable groove 51 is opened on the inner wall of the slot 45, the inner side of the movable groove 51 is installed with a spring 52, the opening of the movable groove 51 is slidingly installed with a limiting block 53, and the inner end of the limiting block 53 is connected with the spring 52, the limiting block 53 is inserted into the limiting groove 46, which makes the plug 44 inserted into the slot 45 to extrude and push the limiting block 53, the limiting block 53 is pushed into the movable groove 51 to compress the spring 52, until the plug 44 drives the limiting groove 46 to correspond to the movable groove 51, the limiting block 53 can be pushed into the limiting groove 46 by the rebound force of the spring 52, so that the plug 44 can be limited, so that the cover plate 41 is closed more stably, the top end of the limiting block 53 is connected with a connecting rod 54, the inner wall top end of the movable groove 51 is provided with a guide opening 55, the connecting rod 54 slides in the guide opening 55, the top end of the connecting rod 54 extends to the top end of the bearing outer ring 1, and the top end of the connecting rod 54 is installed with a knob 56, so that the knob 56 is turned to drive the connecting rod 54 to slide in the guide opening 55, the connecting rod 54 drives the limiting block 53 to move, until the limiting block 53 is pulled out of the limiting groove 46, so that the limiting and locking of the plug 44 can be released, so that the cover plate 41 can be rotated again to open the oil inlet 24, and the oil can be injected into the oil storage cavity 21 again.

[0032] Working principle: if the bearing needs to be oiled to maintain lubrication, only need to inject oil into one group of oil storage cavities 21 through the oil injection port 24 in advance, when the oil in the group of oil storage cavities 21 reaches the height of the communication port 22, the oil can be injected into the other group of oil storage cavities 21 through the communication port 22 until the multiple groups of oil storage cavities 21 are filled with oil, then the cover plate 41 can be rotated to close the oil injection port 24, at the same time the cover plate 41 drives the connecting block 43, the connecting block 43 drives the plug block 44 to insert into the plug slot 45, at this time the plug block 44 will extrude and push the limiting block 53, the limiting block 53 is pushed into the movable slot 51 to compress the second spring 52, until the plug block 44 drives the limiting slot 46 to correspond to the movable slot 51, the limiting block 53 can be pushed into the limiting slot 46 by the rebound force of the second spring 52, so that the plug block 44 can be limited, so that the cover plate 41 is closed more stably;

[0033] In addition, when the several groups of balls 12 rotate between the bearing outer ring 1 and the bearing inner ring 11, the balls 12 rotate the sliding block 33, which will extrude and push the sliding block 33, and the sliding block 33 is pushed into the mounting slot 31, at this time the sliding block 33 will drive the limiting rod 34 to slide in the sliding slot 35, and the limiting rod 34 will compress the first spring 32, and the oil stored in the oil storage cavity 21 will first enter the mounting slot 31 through the oil outlet 23, so when the sliding block 33 moves into the mounting slot 31 and separates from the inner wall of the clamping slot 36, the stored oil can flow out through the gap between the sliding block 33 and the inner wall of the clamping slot 36, thereby realizing oiling, so that the bearing has better lubrication effect when in use, and by storing a certain amount of oil in advance, the bearing can be supplied with oil, which can better replace the need for regular manual oiling, is more convenient, and reduces the occupation of manual labor;

[0034] When the ball 12 moves away from the sliding block 33, the sliding block 33 loses the extrusion and pushing force, and the first spring 32 can push the limiting rod 34 to slide in the sliding slot 35 by the rebound force, and the limiting rod 34 drives the sliding block 33 to re-clamp into the clamping slot 36, so that the outlet can be closed, thereby better avoiding the oil from flowing out all the time and causing waste.

[0035] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit them.

Claims

1. A small bearing with a lubrication supply structure, comprising an outer bearing ring (1) and an inner bearing ring (11), wherein balls (12) are equidistantly installed between the outer bearing ring (1) and the inner bearing ring (11), and cages (13) are fitted onto the surfaces of several sets of the balls (12), and caps (14) are snap-fitted onto both the upper and lower sides between the outer bearing ring (1) and the inner bearing ring (11), characterized in that: The bearing outer ring (1) is provided with an oil supply component (2) for lubrication and oil supply. The bearing outer ring (1) is provided with a number of oil control components (3) for controlling oil output on one side near a number of sets of balls (12). The bearing outer ring (1) is provided with a sealing component (4) for preventing oil leakage on one side of the top end.

2. A small bearing with a lubrication supply structure according to claim 1, characterized in that: The oil supply assembly (2) includes several sets of oil storage chambers (21), which are equidistantly located inside the outer ring (1) of the bearing. A communication port (22) is provided between the inner walls of the several sets of oil storage chambers (21). An oil outlet (23) is provided on the side of the inner wall of each set of oil storage chambers (21) near the ball (12). Each set of oil control assemblies (3) is located on the side of the oil outlet (23) near the ball (12). An oil injection port (24) is provided through the top of the inner wall of one set of oil storage chambers (21). The sealing assembly (4) is located on the side of the top of the outer ring (1) of the bearing near the oil injection port (24).

3. A small bearing with a lubrication supply structure according to claim 2, characterized in that: Each set of oil control components (3) includes an installation groove (31). Each set of installation grooves (31) is opened on the side of the inner wall of the oil outlet (23) away from the oil storage chamber (21). A spring (32) is installed on the side of the inner wall of each set of installation grooves (31) near the oil outlet (23). A slider (33) is slidably installed on the side of the inner wall of each set of installation grooves (31) away from the oil outlet (23). Limiting rods (34) are connected at equal intervals on the surface of each set of sliders (33). Sliding grooves (35) are opened at equal intervals on the inner wall of each set of installation grooves (31). Each set of limiting rods (34) is slidably installed in the sliding grooves (35). The end of each set of springs (32) near the slider (33) abuts against several sets of limiting rods (34). A slot (36) adapted to the outer wall of the end of the slider (33) is opened on the side of the inner wall of each set of installation grooves (31) near the ball (12).

4. A small bearing with a lubrication supply structure according to claim 2, characterized in that: The sealing assembly (4) includes a cover plate (41) and a slot (45). The cover plate (41) is hinged to the top of the bearing outer ring (1) at the position corresponding to the oil inlet (24). A connecting block (43) is connected to the side end of the cover plate (41), and a plug (44) is connected to the bottom end of the connecting block (43). The slot (45) is opened on the side of the top of the bearing outer ring (1) near the oil inlet (24). The plug (44) is inserted into the slot (45). A limiting groove (46) is opened on the side end of the plug (44). A limiting assembly (5) for limiting and fixing the plug (44) is provided on the side of the inner wall of the slot (45) near the limiting groove (46).

5. A small bearing with a lubrication supply structure according to claim 4, characterized in that: The bottom end of the cover plate (41) is glued with a rubber pad (42), and the rubber pad (42) is inserted into the oil inlet (24). The outer wall of the rubber pad (42) is in contact with the inner wall of the oil inlet (24).

6. A small bearing with a lubrication supply structure according to claim 4, characterized in that: The limiting component (5) includes a movable groove (51), which is opened on one side of the inner wall of the slot (45). A second spring (52) is installed on the inner side of the movable groove (51). A limiting block (53) is slidably installed at the opening of the movable groove (51), and the inner end of the limiting block (53) is connected to the second spring (52). The limiting block (53) is inserted into the limiting groove (46). A connecting rod (54) is connected to the top of the limiting block (53). A guide opening (55) is opened at the top of the inner wall of the movable groove (51), and the connecting rod (54) slides in the guide opening (55).

7. A small bearing with a lubrication supply structure according to claim 6, characterized in that: The top end of the connecting rod (54) extends to the top end of the bearing outer ring (1), and a lever (56) is installed on the top end of the connecting rod (54).

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