Joint bearing with self-lubricating structure

Abstract

The utility model discloses a knuckle bearing with a self-lubricating structure, which comprises a connecting arm rod, a knuckle bearing sleeve and a self-lubricating connecting plate, the self-lubricating connecting plate is mounted and connected in an inner wall groove of the knuckle bearing sleeve, the outer end of the knuckle bearing sleeve is provided with the connecting arm rod, and the connecting arm rod is connected with the knuckle bearing sleeve. A lubricating fixing panel is arranged on the outer side of the self-lubricating connecting plate and located in the knuckle bearing sleeve, an auxiliary elastic abutting device structure is arranged, so that the elastic abutting effect is achieved, an arc-shaped positioning plate of an auxiliary elastic abutting device can be correspondingly installed on the knuckle bearing sleeve through an assembly screw in an installation screw hole, and therefore the self-lubricating knuckle bearing sleeve can be installed on the knuckle bearing sleeve. Due to the fact that the arc-shaped positioning plate is located in the area of the sleeve cavity, the elastic buffer can conduct limiting and buffering, the elastic buffer can buffer the backward moving force of the inclined face abutting-against column, the inclined face abutting-against column can abut against the outer side of the joint ball in a rolling mode due to the rolling ball, the good rolling abutting-against effect is achieved, and the joint ball is effectively prevented from loosening and falling off.

Description

Technical Field

[0001] The utility model relates to the technical field of self-lubricating spherical bearings, in particular to a spherical bearing with a self-lubricating structure. Background Art

[0002] Self-lubricating is a sliding bearing product, a sliding bearing product made by arranging holes, grooving and solid lubricants. Solid lubricants with low friction coefficients are compounded into the load-bearing matrix to reduce the friction between the friction surfaces or other forms of surface damage. Spherical plain bearings are spherical sliding bearings whose sliding contact surfaces are an inner spherical surface and an outer spherical surface, which can rotate and swing at any angle during movement.

[0003] The existing Chinese patent CN212985807U disclosed a wear-resistant radial spherical bearing on April 16, 2021, including a shell, an outer ring is provided in the shell, an inner ring is sleeved in the outer ring, and connecting seats are distributed circumferentially on the outer wall of the shell. A tightening assembly is provided on the top surface of the connecting seat, and the tightening assembly passes through the shell and is tightened on the outer circumferential surface of the outer ring.

[0004] However, when the above device is in use, the inner ring is positioned by the outer ring, and there is no good interference positioning structure on the outside, so it is easy to get loose during use, which makes it inconvenient to use. Utility Model Content

[0005] The purpose of the utility model is to provide a spherical bearing with a self-lubricating structure to solve the problem that the above-mentioned device proposed in the above-mentioned background technology, when in use, positions the inner ring through the outer ring, but there is no good interference positioning structure on the outside, so it is easy to get loose during use, making it not very convenient during use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a joint bearing with a self-lubricating structure, comprising a connecting arm rod, a joint bearing sleeve and a self-lubricating connecting plate, the self-lubricating connecting plate is installed and connected in the inner wall groove of the joint bearing sleeve, the outer end of the joint bearing sleeve is provided with a connecting arm rod, the outer side of the self-lubricating connecting plate is located inside the joint bearing sleeve and a lubrication fixing panel is provided, the inner side of the lubrication fixing panel is located inside the joint bearing sleeve and a joint ball head is provided, the outer side of the joint ball head is located on the joint bearing sleeve and an auxiliary elastic contactor is provided, the auxiliary elastic contactor and the joint bearing sleeve are installed and connected by assembly screws, and the outer end of the joint ball head is provided with a connecting end rod.

[0007] Among them, the auxiliary elastic resistor includes an arc-shaped positioning plate, a positioning sleeve cavity, mounting screw holes, an elastic buffer, an inclined surface resistance column and a rolling ball. Mounting screw holes are provided on the inner sides of both ends of the arc-shaped positioning plate, a positioning sleeve cavity is provided inside the front end of the arc-shaped positioning plate, an elastic buffer is provided on the inner side of the positioning sleeve cavity and located on the arc-shaped positioning plate, an inclined surface resistance column is provided at the outer end of the elastic buffer, a rolling ball is provided on the inner side of the outer end of the inclined surface resistance column, and the arc-shaped positioning plate is connected to the joint bearing sleeve.

[0008] Wherein, the inclined surface abutting column is sleeved in the inner side of the arc-shaped positioning plate, and the inclined surface abutting column is in rolling contact with the joint ball head through a rolling ball.

[0009] Wherein, the joint bearing sleeve includes a joint sleeve shell, an internal sleeve cavity, an outer end block and an assembly screw hole. The upper end of the joint sleeve shell is provided with an internal sleeve cavity, the outer end of the joint sleeve shell is provided with an outer end block, the inner side of the outer end block is provided with an assembly screw hole, the outer end block is connected to the connecting arm rod through the assembly screw hole, and the joint sleeve shell is sleeved on the peripheral side of the joint ball head through the internal sleeve cavity.

[0010] Among them, the connecting arm rod includes a connecting end plate, a hollow arm rod and an outer screw head, the outer end of the outer screw head is provided with a hollow arm rod, the outer end of the hollow arm rod is provided with a connecting end plate, and the outer screw head is connected to the assembly screw hole.

[0011] Among them, the lubricating fixed panel includes a T-shaped sleeve, a self-lubricating shell and a lubricating sleeve cavity. The upper end of the self-lubricating shell is provided with a lubricating sleeve cavity, the lower end of the self-lubricating shell is provided with a T-shaped sleeve, and the self-lubricating shell is connected to the self-lubricating connecting plate through the T-shaped sleeve.

[0012] Wherein, an installation cavity hole corresponding to the shape of the lower end of the lubricating fixed panel is opened on the inner side of the upper end of the self-lubricating connecting plate.

[0013] In summary, due to the adoption of the above technology, the beneficial effects of the utility model are:

[0014] 1. In the utility model, an auxiliary elastic resistor structure is provided to play an elastic resistor role. The arc positioning plate of the auxiliary elastic resistor can be installed on the joint bearing sleeve by assembling screws in the mounting screw holes. The arc positioning plate is located in the area of ​​the sleeve cavity, so that the elastic buffer can limit the buffer. The elastic buffer can buffer the backward movement force of the inclined surface resistor column. The inclined surface resistor column can roll and resist on the outer side of the joint ball head due to the rolling ball, which plays a good rolling resistance role and effectively prevents the joint ball head from loosening and falling off.

[0015] 2. In the utility model, a lubricating fixed panel structure is provided to play a role in positioning and lubrication. The self-lubricating housing of the lubricating fixed panel is connected to the mounting cavity hole of the self-lubricating connecting plate through a T-shaped sleeve, so that it can be installed and fixed accordingly. In addition, the T-shaped sleeve has a good positioning effect. When the self-lubricating housing is sleeved on the peripheral side of the joint ball head through the lubricating sleeve cavity, the positioning and installation shape of the T-shaped sleeve effectively avoids the shaking of the self-lubricating housing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a side sectional plan view of a spherical bearing with a self-lubricating structure according to the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of an auxiliary elastic conflictor of a spherical bearing with a self-lubricating structure according to the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of a spherical bearing sleeve of a spherical bearing with a self-lubricating structure according to the utility model;

[0019] Figure 4 This is a schematic diagram of a connecting arm structure of a spherical bearing with a self-lubricating structure according to the utility model;

[0020] Figure 5 The utility model is a schematic diagram of a self-lubricating fixed panel structure of a spherical bearing with a self-lubricating structure.

[0021] In the figure: 1. Auxiliary elastic resistor; 11. Arc positioning plate; 12. Positioning sleeve cavity; 13. Mounting screw hole; 14. Elastic buffer; 15. Inclined contact column; 16. Rolling ball; 2. Connecting end rod; 3. Assembly screw; 4. Connecting arm rod; 41. Connecting end plate; 42. Hollow arm rod; 43. Outer screw head; 5. Joint bearing sleeve; 51. Joint sleeve shell; 52. Internal sleeve cavity; 53. Outer end block; 54. Assembly screw hole; 6. Lubricating fixing panel; 61. T-type sleeve plate; 62. Self-lubricating shell; 63. Lubricating sleeve cavity; 7. Joint ball head; 8. Self-lubricating connecting plate. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is claimed, but merely represents selected embodiments of the utility model.

[0023] Embodiment 1

[0024] Reference Figure 1 and Figure 2 A joint bearing with a self-lubricating structure includes a connecting arm rod 4, a joint bearing sleeve 5 and a self-lubricating connecting plate 8. The self-lubricating connecting plate 8 is installed and connected in the inner wall groove of the joint bearing sleeve 5. The outer end of the joint bearing sleeve 5 is provided with a connecting arm rod 4. The outer side of the self-lubricating connecting plate 8 is located at the joint bearing sleeve 5, and a lubricating fixing panel 6 is provided inside the joint bearing sleeve 5. The inner side of the lubricating fixing panel 6 is located at the joint bearing sleeve 5, and a joint ball head 7 is provided inside the joint bearing sleeve 5. The outer side of the joint ball head 7 is located on the joint bearing sleeve 5 and an auxiliary elastic contactor 1 is provided. The auxiliary elastic contactor 1 and the joint bearing sleeve 5 are installed and connected by assembling screws 3. The outer end of the joint ball head 7 is provided with a connecting end rod 2.

[0025] In the utility model, the auxiliary elastic contactor 1 includes an arc-shaped positioning plate 11, a positioning sleeve cavity 12, a mounting screw hole 13, an elastic buffer 14, an inclined surface contact column 15 and a rolling ball 16. The inner sides of both ends of the arc-shaped positioning plate 11 are provided with mounting screw holes 13, the front end of the arc-shaped positioning plate 11 is provided with a positioning sleeve cavity 12, the inner side of the positioning sleeve cavity 12 is located on the arc-shaped positioning plate 11 and an elastic buffer 14 is provided, the outer end of the elastic buffer 14 is provided with an inclined surface contact column 15, the outer end of the inclined surface contact column 15 is provided with a rolling ball 16, and the arc-shaped positioning plate 1 1 is connected to the joint bearing sleeve 5, and the arc-shaped positioning plate 11 of the auxiliary elastic contactor 1 is assembled by the assembly screw 3 in the mounting screw hole 13, so that the arc-shaped positioning plate 11 can be correspondingly installed on the joint bearing sleeve 5, and the arc-shaped positioning plate 11 is located in the area of ​​the sleeve cavity 12, so that the elastic buffer 14 can limit the buffer, and the elastic buffer 14 can buffer the backward movement force of the inclined surface contact column 15, and the inclined surface contact column 15 can roll and contact the outer side of the joint ball head 7 due to the rolling ball 16, so as to play a good rolling contact role, and effectively prevent the joint ball head 7 from loosening and falling off;

[0026] The inclined surface abutment column 15 is sleeved in the inner side of the arc-shaped positioning plate 11, so that it can be used with limited movement. The inclined surface abutment column 15 is in rolling contact with the joint ball head 7 through the rolling ball 16, so that it can be used for rolling abutment.

[0027] Working principle: When in use, the joint ball head 7 is connected to the external component through the connecting end rod 2, and the joint bearing sleeve 5 is installed with the external corresponding component through the connecting arm rod 4. The joint ball head 7 is limited and rotated inside the joint bearing sleeve 5. When the joint ball head 7 rotates, it is rotated and lubricated through the lubricating fixing panel 6 on the self-lubricating connecting plate 8 inside the joint bearing sleeve 5. When the joint ball head 7 is lubricated and rotated, the auxiliary elastic contactor 1 on the upper outer side effectively assists in positioning, thereby preventing the joint ball head 7 from loosening and falling. The auxiliary elastic contactor 1 and the joint bearing sleeve 5 are installed and connected by the assembly screws 3. In this way, the auxiliary elastic contactor 1 is easy to install and disassemble by tightening and loosening the assembly screws 3.

[0028] Embodiment 2

[0029] Reference Figure 1 , Figure 3 and Figure 4 , a spherical bearing with a self-lubricating structure. Compared with the first embodiment, the spherical bearing sleeve 5 of this embodiment includes a spherical sleeve shell 51, an internal sleeve cavity 52, an outer end block 53 and an assembly screw hole 54. The upper end of the spherical sleeve shell 51 is provided with an internal sleeve cavity 52, the outer end block 53 is provided at the outer end of the spherical sleeve shell 51, and the inner side of the outer end block 53 is provided with an assembly screw hole 54. The outer end block 53 is connected to the connecting arm 4 through the assembly screw hole 54, and the spherical sleeve shell 51 is sleeved on the peripheral side of the joint ball head 7 through the internal sleeve cavity 52;

[0030] The connecting arm 4 includes a connecting end plate 41 , a hollow arm 42 and an outer screw head 43 . The outer end of the outer screw head 43 is provided with the hollow arm 42 , the outer end of the hollow arm 42 is provided with the connecting end plate 41 , and the outer screw head 43 is connected to the assembly screw hole 54 .

[0031] Working principle: The joint sleeve shell 51 of the joint bearing sleeve 5 is sleeved on the peripheral side of the joint ball head 7 through the internal sleeve cavity 52, so that the joint ball head 7 can be used for limited rotation. The joint sleeve shell 51 is through the assembly screw hole 54 on the inner side of the outer end block 53, so that the outer screw head 43 of the connecting arm rod 4 can be correspondingly rotated and installed. After the outer screw head 43 is installed, it can drive the hollow arm rod 42 and the connecting end plate 41 to be placed. The hollow arm rod 42 can be connected and installed with external components through the connecting end plate 41.

[0032] Embodiment 3

[0033] Reference Figure 1 and Figure 5, a spherical plain bearing with a self-lubricating structure. Compared with the second embodiment, in this embodiment, an installation cavity hole corresponding to the shape of the lower end of the lubrication fixing panel 6 is provided inside the upper end of the self-lubricating connecting plate 8, so that the corresponding installation and connection can be carried out, making the assembly more convenient;

[0034] The lubrication fixing panel 6 includes a T-shaped sleeve plate 61, a self-lubricating housing 62 and a lubricating sleeve cavity 63. A lubricating sleeve cavity 63 is provided inside the upper end of the self-lubricating housing 62, and a T-shaped sleeve plate 61 is provided at the lower end of the self-lubricating housing 62. The self-lubricating housing 62 is connected to the self-lubricating connecting plate 8 through the T-shaped sleeve plate 61.

[0035] Working principle: The self-lubricating housing 62 of the lubrication fixing panel 6 is correspondingly sleeved and connected in the installation cavity hole of the self-lubricating connecting plate 8 through the T-shaped sleeve plate 61, so that it can be correspondingly installed and fixed. Moreover, the T-shaped sleeve plate 61 has a good positioning function. When the self-lubricating housing 62 is sleeved around the spherical joint head 7 through the lubricating sleeve cavity 63, the positioning and installation shape of the T-shaped sleeve plate 61 effectively avoids the shaking of the self-lubricating housing 62.

[0036] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present invention.

[0037] It should be noted that in this article, relational terms such as first and second are only 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. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. A spherical bearing with a self-lubricating structure, comprising a connecting arm (4), a spherical bearing sleeve (5) and a self-lubricating connecting plate (8), wherein the self-lubricating connecting plate (8) is installed and connected in a groove on the inner wall of the spherical bearing sleeve (5), and a connecting arm (4) is arranged at the outer end of the spherical bearing sleeve (5), characterized in that: The outer side of the self-lubricating connecting plate (8) is located inside the joint bearing sleeve (5) and is provided with a lubricating fixing panel (6); the inner side of the lubricating fixing panel (6) is located inside the joint bearing sleeve (5) and is provided with a joint ball head (7); the outer side of the joint ball head (7) is located on the joint bearing sleeve (5) and is provided with an auxiliary elastic contactor (1); the auxiliary elastic contactor (1) and the joint bearing sleeve (5) are installed and connected by assembly screws (3); and the outer end of the joint ball head (7) is provided with a connecting end rod (2).

2. The spherical plain bearing with a self-lubricating structure according to claim 1, characterized in that: The auxiliary elastic contactor (1) comprises an arc-shaped positioning plate (11), a positioning sleeve cavity (12), a mounting screw hole (13), an elastic buffer (14), an inclined surface contact column (15) and a rolling ball (16); the inner sides of both ends of the arc-shaped positioning plate (11) are provided with mounting screw holes (13); the front end of the arc-shaped positioning plate (11) is provided with a positioning sleeve cavity (12); the inner side of the positioning sleeve cavity (12) is provided with an elastic buffer (14) on the arc-shaped positioning plate (11); the outer end of the elastic buffer (14) is provided with an inclined surface contact column (15); the inner side of the outer end of the inclined surface contact column (15) is provided with a rolling ball (16); the arc-shaped positioning plate (11) is connected to the joint bearing sleeve (5).

3. The spherical plain bearing with a self-lubricating structure according to claim 2, characterized in that: The inclined surface abutment column (15) is sleeved in the inner side of the arc-shaped positioning plate (11), and the inclined surface abutment column (15) is in rolling contact with the joint ball head (7) through a rolling ball (16).

4. The spherical plain bearing with a self-lubricating structure according to claim 1, characterized in that: The joint bearing sleeve (5) comprises a joint sleeve shell (51), an internal sleeve cavity (52), an outer end block (53) and an assembly screw hole (54); the upper end of the joint sleeve shell (51) is provided with an internal sleeve cavity (52); the outer end of the joint sleeve shell (51) is provided with an outer end block (53); the inner side of the outer end block (53) is provided with an assembly screw hole (54); the outer end block (53) is connected to the connecting arm (4) through the assembly screw hole (54); and the joint sleeve shell (51) is sleeved on the peripheral side of the joint ball head (7) through the internal sleeve cavity (52).

5. The spherical plain bearing with a self-lubricating structure according to claim 4, characterized in that: The connecting arm (4) comprises a connecting end plate (41), a hollow arm (42) and an outer screw head (43); the outer end of the outer screw head (43) is provided with the hollow arm (42); the outer end of the hollow arm (42) is provided with a connecting end plate (41); and the outer screw head (43) is connected to an assembly screw hole (54).

6. The spherical plain bearing with a self-lubricating structure according to claim 1, characterized in that: The lubricating fixed panel (6) comprises a T-shaped sleeve (61), a self-lubricating shell (62) and a lubricating sleeve cavity (63); the lubricating sleeve cavity (63) is provided inside the upper end of the self-lubricating shell (62); the T-shaped sleeve (61) is provided at the lower end of the self-lubricating shell (62); and the self-lubricating shell (62) is connected to the self-lubricating connecting plate (8) via the T-shaped sleeve (61).

7. The spherical plain bearing with a self-lubricating structure according to claim 1, characterized in that: The inner side of the upper end of the self-lubricating connecting plate (8) is provided with a mounting cavity hole corresponding to the shape of the lower end of the lubricating fixed panel (6).

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