Combined knuckle bearing

Abstract

The utility model discloses a combined knuckle bearing, relates to the technical field of knuckle bearings, and solves the problems that if only a single sealing measure is adopted, under the use environment of frequent rotation or frequent disassembly, the abrasion phenomenon is possibly generated, so that lubricating oil is influenced, the lubricating effect is reduced and the like. The sealing mechanism comprises sealing outer rings, the outer sides of the sealing outer rings are rotationally connected to the outer sides of the outer side rings and the outer sides of the two ends of the rotating mechanism correspondingly, and sealing inner rings are rotationally connected between the inner sides of the outer side rings and the outer side surface of the rotating mechanism correspondingly. Through the design of the sealing inner rings rotationally connected between the inner side of the outer side ring and the outer side surface of the rotating mechanism, leakage of lubricating oil can be effectively isolated, and meanwhile through the sealing outer rings rotationally connected between the outer side ring and the outer sides of the two ends of the rotating mechanism, the function of further preventing leakage of the lubricating oil is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of joint bearings, in particular to a combined joint bearing. Background Art

[0002] As a special type of spherical sliding bearing, spherical bearing plays a vital role in the industrial field with its unique structure and working principle. Its sliding contact surface consists of an inner spherical surface and an outer spherical surface. This structure enables the spherical bearing to rotate and swing at any angle, showing extremely high flexibility. In short, spherical bearing, as an important mechanical component, will play a more important role in the future industrial field.

[0003] Patent publication number "CN217271441U" discloses "a new type of combined joint bearing", including an outer ring, an inner ring and a rotating ball, the inner ring is arranged inside the outer ring, the upper and lower ends of the outer side of the inner ring are arranged with rotating balls, the rotating ball is fixedly connected to the inner ring, the rotating ball and the outer ring are clamped together, a first groove is opened in the middle position of the inner wall of the outer ring, the rotating ball is clamped in the first groove, and a plurality of oil filling holes are opened on the front and rear sides of the outer wall of the outer ring, and the plurality of oil filling holes are arranged in sequence at equal intervals; during the use of the combined joint bearing of the utility model, lubricating oil is regularly injected into the first groove through the oil filling hole to ensure that the rotating ball is in a lubricated state during use, which will not affect the mutual rotation between the outer ring and the inner ring, thereby not affecting the normal use of the combined joint bearing and extending the service life of the combined joint bearing.

[0004] If the device in the above patent only adopts a single sealing measure, then in an environment of frequent rotation or frequent disassembly, wear may occur, thereby affecting the lubricating oil and reducing the lubrication effect. Therefore, the sealing effect of the device should be strengthened to ensure its stability and reliability. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the above problems existing in the prior art, the utility model provides a combined spherical bearing.

[0007] (II) Technical solution

[0008] To achieve the above purpose, the utility model is implemented by the following technical solutions: a combined spherical bearing, comprising a connecting mechanism and an outer ring, wherein the bottom side of the outer ring is arranged above the connecting mechanism, an entry mechanism is arranged on the outer side of the outer ring, a rotating mechanism is arranged on the inner side of the outer ring, and a sealing mechanism is arranged between the outer side of the rotating mechanism and the inner side of the outer ring;

[0009] The sealing mechanism comprises a sealing outer ring, the outer side of the sealing outer ring is rotatably connected to the outer side of the outer ring and the outer sides of the rotating mechanism respectively, and the inner side of the outer ring is rotatably connected to the outer side surface of the rotating mechanism respectively with a sealing inner ring.

[0010] By adopting the above technical solution, the leakage of lubricating oil can be effectively isolated by designing a sealing inner ring that is rotatably connected between the inner side of the outer ring and the outer surface of the rotating mechanism. At the same time, the sealing outer ring that is rotatably connected to the outer sides of both ends of the rotating mechanism can further prevent the leakage of lubricating oil, thereby solving the problem that if only a single sealing measure is adopted, wear may occur in the use environment of frequent rotation or frequent disassembly, thereby affecting the lubricating oil and reducing the lubrication effect.

[0011] As a preferred solution of the combined joint bearing described in the utility model, the connecting mechanism includes a connecting base plate and a connecting column, the bottom surface of the connecting column is fixedly installed on the surface of the connecting base plate, a screw is threaded inside the connecting column, and reinforcing ribs are fixedly installed on both sides of the connecting column.

[0012] By adopting the above technical solution and installing reinforcing ribs on both sides of the connecting column, the overall strength of the connecting column can be effectively improved.

[0013] As a preferred solution of the combined joint bearing described in the utility model, the entry mechanism includes an oil inlet and a rubber baffle, one side of the rubber baffle is hinged to one side of the inner wall of the oil inlet, a rotation groove is opened on the inner side of the outer ring, and the bottom end of the oil inlet passes through the top wall of the rotation groove.

[0014] By adopting the above technical solution, through the rubber baffles hinged on one side of the inner wall of the oil inlet, it is ensured that after the lubricating oil is injected through the oil inlet, the rubber baffle can fully exert its barrier effect and effectively prevent the lubricating oil from leaking from the oil inlet, thereby ensuring the normal operation of the equipment and the convenience of maintenance.

[0015] As a preferred solution of the combined joint bearing described in the utility model, the bottom surfaces of the reinforcing ribs of the connecting mechanism are fixedly mounted on the surface of the connecting base plate, the top end of the screw is fixedly mounted on the bottom side of the outer ring, and the oil inlet of the entry mechanism is opened on the outside of the outer ring.

[0016] By adopting the above technical solution, the screw can achieve a stable and effective connection with the outer ring installed at the top, ensuring its stability and reliability.

[0017] As a preferred solution of the combined joint bearing described in the utility model, the rotating mechanism includes a rotating ring and a rotating block, the bottom surface of the rotating block is fixedly installed on the outer surface of the rotating ring, and the outer side of the rotating block is rotatably connected to the inner side of the rotating groove of the entry mechanism.

[0018] By adopting the above technical solution, the rotating groove of the entry mechanism can effectively provide an effective rotation effect for the rotating blocks respectively installed on the outer surface of the rotating ring.

[0019] As a preferred solution of the combined spherical bearing described in the utility model, the sealing outer ring and the sealing inner ring of the sealing mechanism are rotatably connected to the two side surfaces and the outer surface of the rotating ring of the rotating mechanism respectively, and an inner ring is arranged on the inner side of the rotating ring.

[0020] By adopting the above technical solution, the sealing outer ring and the sealing inner ring of the sealing mechanism can effectively prevent the lubricating oil inside the rotating ring of the rotating mechanism from leaking out.

[0021] As a preferred solution of the combined joint bearing described in the utility model, the outer side of the outer ring is respectively provided with a bolt hole and an inner hexagonal hole, and the inner side of the rotating ring of the rotating mechanism and the outer side of the inner ring are rotatably connected with rotating balls.

[0022] By adopting the above technical solution, the bolt opening and the hexagonal opening arranged on the outside of the outer ring can be used to effectively use external tools to tighten the device to ensure stability. The rotating ball that is rotatably connected to the inner side of the rotating ring of the rotating mechanism and the outer side of the inner ring can effectively provide the inner ring with excellent rotation performance to ensure its smooth rotation.

[0023] (III) Beneficial effects

[0024] The utility model provides a combined spherical bearing, which has the following beneficial effects:

[0025] 1. By adding a sealing mechanism and a sealing inner ring design that is rotatably connected between the inner side of the outer ring and the outer surface of the rotating mechanism, the leakage of the lubricating oil can be effectively isolated. At the same time, the sealing outer ring that is rotatably connected to the outer sides of both ends of the rotating mechanism can further prevent the leakage of the lubricating oil. This solves the problem that if only a single sealing measure is used, wear may occur in the environment of frequent rotation or frequent disassembly, thereby affecting the lubricating oil and reducing the lubrication effect.

[0026] 2. By increasing the connection mechanism, bolt holes and hexagonal holes, and by installing reinforcing ribs on both sides of the connection column, the overall strength of the connection column can be effectively improved. Through the bolt holes and hexagonal holes set on the outside of the outer ring, external tools can be effectively used to tighten the device to ensure stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0028] Figure 1 It is a main structural schematic diagram of the entire utility model.

[0029] Figure 2 It is a front view structural schematic diagram of the entire utility model.

[0030] Figure 3 It is a left-side half-section structural schematic diagram of the utility model as a whole.

[0031] Figure 4 It is a left-side half-section structural schematic diagram of the utility model as a whole.

[0032] Figure 5 It is an enlarged structural schematic diagram of point A of the utility model as a whole.

[0033] In the figure, 1. connecting mechanism; 11. connecting base plate; 12. connecting column; 13. screw; 14. reinforcing rib; 2. outer ring; 3. entry mechanism; 31. oil inlet; 32. rubber baffle; 33. rotating groove; 4. rotating mechanism; 41. rotating ring; 42. rotating block; 5. sealing mechanism; 51. sealing outer ring; 52. sealing inner ring; 6. inner ring; 7. bolt mouth; 8. inner hexagonal mouth; 9. rotating ball. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0035] Example 1

[0036] Reference Figures 1 to 5 , which is the first embodiment of the utility model, and provides a combined spherical bearing including a connecting mechanism 1 and an outer ring 2, wherein the bottom side of the outer ring 2 is arranged above the connecting mechanism 1, an entry mechanism 3 is arranged on the outer side of the outer ring 2, a rotating mechanism 4 is arranged on the inner side of the outer ring 2, and a sealing mechanism 5 is arranged between the outer side of the rotating mechanism 4 and the inner side of the outer ring 2;

[0037] The sealing mechanism 5 comprises a sealing outer ring 51 , the outer side of the sealing outer ring 51 is rotatably connected to the outer sides of the outer ring 2 and the rotating mechanism 4 , and the inner side of the outer ring 2 and the outer side surface of the rotating mechanism 4 are rotatably connected with a sealing inner ring 52 .

[0038] Specifically, the connecting mechanism 1 includes a connecting base plate 11 and a connecting column 12, the bottom surface of the connecting column 12 is fixedly installed on the surface of the connecting base plate 11, a screw 13 is screwed inside the connecting column 12, and reinforcing ribs 14 are fixedly installed on both sides of the connecting column 12, and the entry mechanism 3 includes an oil inlet 31 and a rubber baffle 32, one side of the rubber baffle 32 is hinged to one side of the inner wall of the oil inlet 31, a rotating groove 33 is opened on the inner side of the outer circle 2, and the bottom end of the oil inlet 31 passes through the top wall of the rotating groove 33, the bottom surfaces of the reinforcing ribs 14 of the connecting mechanism 1 are fixedly installed on the surface of the connecting base plate 11, the top end of the screw 13 is fixedly installed on the bottom side of the outer circle 2, and the oil inlet 31 of the entry mechanism 3 is opened on the outside of the outer circle 2.

[0039] Furthermore, the sealing mechanism 5 can effectively isolate the leakage of lubricating oil by designing a sealing inner ring 52 that is rotatably connected between the inner side of the outer ring 2 and the outer surface of the rotating mechanism 4. At the same time, the sealing outer ring 51 that is rotatably connected to the outer sides of the two ends of the rotating mechanism 4 can further prevent the leakage of lubricating oil.

[0040] The connecting mechanism 1 can effectively improve the overall strength of the connecting column 12 by installing reinforcing ribs 14 on both sides of the connecting column 12. The bottom end of the connecting column 12 is installed on the surface of the connecting base plate 11, the bottom surfaces of the reinforcing ribs 14 are installed on the surface of the connecting base plate 11, and the top end of the screw 13 is installed on the bottom side of the outer ring 2.

[0041] The entry mechanism 3 is hinged to the rubber baffle 32 on one side of the inner wall of the oil inlet 31 to ensure that after the lubricating oil is injected through the oil inlet 31, the rubber baffle 32 can fully exert its barrier effect and effectively prevent the lubricating oil from leaking from the oil inlet 31, thereby ensuring the normal operation of the equipment and the convenience of maintenance. The oil inlets 31 are respectively opened on the outside of the outer circle 2.

[0042] Example 2

[0043] Reference Figures 1 to 5 , which is the first embodiment of the utility model. This embodiment is based on the previous embodiment. The rotating mechanism 4 includes a rotating ring 41 and a rotating block 42. The bottom surfaces of the rotating blocks 42 are fixedly installed on the outer surfaces of the rotating ring 41. The outer sides of the rotating blocks 42 are rotatably connected to the inner sides of the rotating grooves 33 of the entry mechanism 3. The sealing outer ring 51 and the sealing inner ring 52 of the sealing mechanism 5 are rotatably connected to the two side surfaces and the outer surface of the rotating ring 41 of the rotating mechanism 4. An inner ring 6 is provided on the inner side of the rotating ring 41.

[0044] Specifically, a bolt hole 7 and an inner hexagonal hole 8 are respectively opened on the outer side of the outer ring 2, and a rotating ball 9 is rotatably connected to the inner side of the rotating ring 41 of the rotating mechanism 4 and the outer side of the inner ring 6 respectively.

[0045] Furthermore, the rotating groove 33 of the entry mechanism 3 can effectively provide an effective rotation effect for the rotating blocks 42 respectively installed on the outer surface of the rotating ring 41 of the rotating mechanism 4. The rotating groove 33 is opened on the inner side of the outer ring 2. The sealing outer ring 51 and the sealing inner ring 52 of the sealing mechanism 5 are respectively rotatably connected to the two side surfaces and the outer surface of the rotating ring 41 of the rotating mechanism 4. Through the bolt opening 7 and the inner hexagonal opening 8 arranged on the outside of the outer ring 2, the device can be effectively tightened with external tools to ensure stability. Through the rotating ball 9 rotatably connected to the inner side of the rotating ring 41 of the rotating mechanism 4 and the outer side of the inner ring 6, the rotating ball 9 can effectively provide the inner ring 6 with excellent rotation performance to ensure its smooth rotation. The inner ring 6 is arranged on the inner side of the rotating ring 41.

[0046] Working principle: The connecting mechanism 1 can effectively improve the overall strength of the connecting column 12 by installing reinforcing ribs 14 on both sides of the connecting column 12. The bottom end of the connecting column 12 is installed on the surface of the connecting base plate 11, the bottom surfaces of the reinforcing ribs 14 are installed on the surface of the connecting base plate 11, and the top end of the screw 13 is installed on the bottom side of the outer ring 2.

[0047] The entry mechanism 3 is hinged to the rubber baffle 32 on one side of the inner wall of the oil inlet 31 to ensure that after the lubricating oil is injected through the oil inlet 31, the rubber baffle 32 can fully exert its barrier effect and effectively prevent the lubricating oil from leaking from the oil inlet 31, thereby ensuring the normal operation of the equipment and the convenience of maintenance. The oil inlets 31 are respectively opened on the outside of the outer circle 2.

[0048] The rotating groove 33 of the entry mechanism 3 can effectively provide an effective rotation effect for the rotating blocks 42 respectively installed on the outer surface of the rotating ring 41 of the rotating mechanism 4. The rotating groove 33 is opened on the inner side of the outer ring 2. The sealing mechanism 5 is designed with a sealing inner ring 52 that is respectively rotatably connected between the inner side of the outer ring 2 and the outer surface of the rotating mechanism 4, which can effectively isolate the leakage of lubricating oil. At the same time, the sealing outer ring 51 that is respectively rotatably connected to the outer sides of the two ends of the rotating mechanism 4 by the outer ring 2 is used to further prevent the leakage of lubricating oil. The sealing outer ring 51 and the sealing inner ring 52 are respectively rotatably connected to the two side surfaces and the outer surface of the rotating ring 41 of the rotating mechanism 4. Through the bolt opening 7 and the inner hexagonal opening 8 set on the outside of the outer ring 2, the device can be effectively tightened using external tools to ensure stability. Through the rotating ball 9 that is rotatably connected to the inner side of the rotating ring 41 of the rotating mechanism 4 and the outer side of the inner ring 6, the rotating ball 9 can effectively provide the inner ring 6 with excellent rotation performance to ensure its smooth rotation. The inner ring 6 is set on the inner side of the rotating ring 41.

[0049] It should be noted that, in this document, relational terms such as first and second, etc. are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

Claims

1. A combined spherical plain bearing, comprising a connecting mechanism (1) and an outer ring (2), characterized in that: The bottom side of the outer ring (2) is arranged above the connecting mechanism (1), an entry mechanism (3) is arranged on the outer side of the outer ring (2), a rotating mechanism (4) is arranged on the inner side of the outer ring (2), and a sealing mechanism (5) is arranged between the outer side of the rotating mechanism (4) and the inner side of the outer ring (2); The sealing mechanism (5) comprises a sealing outer ring (51), the outer side of the sealing outer ring (51) being rotatably connected to the outer sides of the outer ring (2) and the rotating mechanism (4), and the inner side of the outer ring (2) and the outer side surface of the rotating mechanism (4) are rotatably connected with a sealing inner ring (52).

2. A combined spherical plain bearing according to claim 1, characterized in that: The connecting mechanism (1) comprises a connecting base plate (11) and a connecting column (12); the bottom surface of the connecting column (12) is fixedly mounted on the surface of the connecting base plate (11); a screw rod (13) is screwed inside the connecting column (12); and reinforcing ribs (14) are fixedly mounted on both sides of the connecting column (12).

3. The combined spherical plain bearing according to claim 1, characterized in that: The entry mechanism (3) comprises an oil inlet (31) and a rubber baffle (32), one side of the rubber baffle (32) is hinged to one side of the inner wall of the oil inlet (31), a rotation groove (33) is provided on the inner side of the outer ring (2), and the bottom end of the oil inlet (31) passes through the top wall of the rotation groove (33).

4. A combined spherical plain bearing according to claim 2, characterized in that: The bottom surfaces of the reinforcing ribs (14) of the connecting mechanism (1) are fixedly mounted on the surface of the connecting bottom plate (11), the top ends of the screw rods (13) are fixedly mounted on the bottom side of the outer ring (2), and the oil inlets (31) of the entry mechanisms (3) are respectively opened on the outside of the outer ring (2).

5. The combined spherical plain bearing according to claim 1, characterized in that: The rotating mechanism (4) comprises a rotating ring (41) and a rotating block (42); the bottom surface of the rotating block (42) is fixedly mounted on the outer surface of the rotating ring (41); and the outer side of the rotating block (42) is rotatably connected to the inner side of the rotating groove (33) of the entry mechanism (3).

6. The combined spherical plain bearing according to claim 1, characterized in that: The sealing outer ring (51) and the sealing inner ring (52) of the sealing mechanism (5) are rotatably connected to the two side surfaces and the outer surface of the rotating ring (41) of the rotating mechanism (4), and an inner ring (6) is arranged inside the rotating ring (41).

7. The combined spherical plain bearing according to claim 1, characterized in that: The outer side of the outer ring (2) is respectively provided with a bolt opening (7) and an inner hexagonal opening (8), and the inner side of the rotating ring (41) of the rotating mechanism (4) and the outer side of the inner ring (6) are respectively rotatably connected with a rotating ball (9).

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