Bearing shaft sleeve assembly

Abstract

The utility model relates to the technical field of bearings, and discloses a bearing shaft sleeve assembly which comprises an upper shaft sleeve, a lower shaft sleeve below the upper shaft sleeve, an inner rotor arranged between the upper shaft sleeve and the lower shaft sleeve, and a clamp spring plate arranged between the inner rotor and the lower shaft sleeve, the rotor groove is formed in the surface of the inner rotor, and a positioning insertion opening is formed in the groove end of the rotor groove; the positioning insertion block is fixedly arranged on the end face of the snap spring plate, and the positioning insertion block is in insertion fit with the positioning insertion opening; and the oil discharging groove is formed in the surface of the snap spring plate, and the groove of the oil discharging groove communicates with the positioning insertion block. The snap spring plate abuts against the inner rotor, meanwhile, in order to improve the combination stability of the snap spring plate and the inner rotor, the positioning insertion opening is formed in the tail end of the rotor groove, the positioning insertion block matched with the positioning insertion opening in an insertion mode is fixedly arranged on the surface of the snap spring plate, and after the positioning insertion block is inserted into the positioning insertion opening, the inner rotor is combined with the snap spring plate; the combination stability of the inner rotor and the clamp spring plate is improved, and shaking is reduced.

Description

Technical Field

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

[0002] Bearings are an important component in mechanical equipment. Their main function is to support mechanical rotating bodies, reduce the friction coefficient during their movement, and ensure their rotation accuracy. Bushings are cylindrical mechanical parts that are sleeved on the rotating shaft and are a component of sliding bearings. Bushings and bearings can be used together.

[0003] Through patent search, it was found that a combined sleeve bearing with publication number CN220668153UU, when using the combined sleeve bearing, through the improved bearing, an upper bearing shell and a lower bearing shell are adopted to form a detachable single sleeve bearing, which reduces resonance during operation and improves stability. It can be flexibly matched in production process and produced at any time, which increases output. The oil storage tank is used in conjunction with the bearing to store oil to form an annular oil supply circuit, which increases the flow of oil when the rotor is running, reduces noise and increases service life. Due to the presence of the retaining spring, the above-mentioned comparative document will separate the rotor and the oil storage tank, which will have a certain impact on the lubrication of the rotor surface. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a bearing sleeve assembly to solve the problems mentioned in the above background.

[0005] The utility model provides the following technical solution: comprising: an upper sleeve, a lower sleeve below the upper sleeve, and an inner rotor installed between the upper sleeve and the lower sleeve.

[0006] Also includes:

[0007] A snap spring plate, arranged between the inner rotor and the lower sleeve;

[0008] The rotor slot is provided on the surface of the inner rotor, and a positioning socket is provided at the slot end of the rotor slot;

[0009] The positioning plug is fixed on the end surface of the spring plate, and the positioning plug is plugged and adapted with the positioning socket;

[0010] The oil drain groove is arranged on the surface of the retaining spring plate, and the groove of the oil drain groove is communicated with the positioning plug block.

[0011] Furthermore, a top plug-in is fixedly provided at the port of the upper sleeve, and a bottom slot is provided at the port of the lower sleeve, and the top plug-in is plug-fitted with the bottom slot.

[0012] Furthermore, a ring-shaped flow guide groove is provided on the surface of the inner rotor, and one end of a plurality of groups of rotor grooves is connected to the flow guide groove.

[0013] Furthermore, a retaining spring through hole is provided at the center of the retaining spring plate, and a top stop is provided in the groove of the lower shaft sleeve.

[0014] Furthermore, a bottom gasket groove is provided at the bottom of the groove of the lower shaft sleeve, and a graphite gasket is provided between the retaining spring plate and the lower shaft sleeve, and the graphite gasket is adapted to the groove of the bottom gasket groove.

[0015] Furthermore, an oil storage groove is arranged between the bottom pad groove and the top stopper, the groove cross-section of the oil drain groove is L-shaped, and the groove bottom of the oil drain groove is connected to the oil storage groove.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The present application utilizes a retaining spring plate to counteract the inner rotor. At the same time, in order to improve the stability of the combination of the retaining spring plate and the inner rotor, a positioning socket is set at the end of the rotor slot, and a positioning plug block that is plugged into the positioning socket slot is fixed on the surface of the retaining spring plate. After the positioning plug block is plugged into the positioning socket, the inner rotor is combined with the retaining spring plate, thereby improving the stability of the combination of the inner rotor and the retaining spring plate and reducing shaking. At the same time, the lubricating oil stored in the oil storage tank can enter the rotor slot along the oil drain groove with an L-shaped cross-section, so that the lubricating oil can maximize its effect on the rotor slot, thereby improving the lubrication effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a partial enlarged view of the positioning socket of the utility model;

[0020] Figure 3 This is the internal diagram of the lower sleeve of the utility model.

[0021] In the figure: 1. upper sleeve; 2. lower sleeve; 3. top plug-in unit; 4. bottom slot; 5. inner rotor; 6. rotor slot; 7. guide slot; 8. retaining spring plate; 9. retaining spring perforation; 10. graphite gasket; 11. positioning socket; 12. positioning plug-in unit; 13. oil drain slot; 14. bottom gasket slot; 15. oil storage tank; 16. top stopper. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only 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.

[0023] See also Figure 1-3, including: an upper sleeve 1, a lower sleeve 2 below the upper sleeve 1, and an inner rotor 5 installed between the upper sleeve 1 and the lower sleeve 2, a downwardly protruding annular top plug 3 is provided at the port of the upper sleeve 1, and a downwardly concave annular bottom slot 4 is provided at the port of the lower sleeve 2, and the top plug 3 is adapted to the bottom slot 4, and in order to improve the stability of the combination of the top plug 3 and the bottom slot 4, a downwardly protruding bump is also provided on the surface of the top plug 3, and a groove adapted to the bump is provided on the surface of the bottom slot 4, the opening surfaces of the upper sleeve 1 and the lower sleeve 2 are butted, so that the bump is combined with the groove, thereby realizing assembly. The retaining spring plate 8 is provided between the inner rotor 5 and the lower sleeve 2; a top stopper 16 is provided in the groove of the lower sleeve 2, and the position of the retaining spring plate 8 is limited by the top stopper 16 during assembly, and a retaining spring through hole 9 is provided at the center of the retaining spring plate 8.

[0024] The entire assembly is used in the same manner as the reference document. In order to achieve a better lubrication effect, a plurality of groups of straight groove-shaped rotor grooves 6 are opened on the surface of the rotor groove 6, among which four groups of positioning sockets 11 are placed at the groove ends of the rotor groove 6, so that the positioning sockets 11 are connected with the rotor groove 6, and four groups of positioning plugs 12 are fixed on the end surface of the retaining spring plate 8, and the positioning plugs 12 can be plugged and matched with the positioning sockets 11. When the inner rotor 5 is combined with the retaining spring plate 8, the positioning plugs 12 can be inserted into the grooves of the positioning sockets 11, so that the inner rotor 5 and the retaining spring plate 8 are synchronously connected, and at the same time, the grooves in the rotor groove 6 are connected with the oil drain grooves 13 opened on the surface of the retaining spring plate 8, and the groove cross-section of each group of oil drain grooves 13 is L-shaped. After the retaining spring plate 8 is fitted with the top stop 16, a part of the oil drain groove 13 It is exposed from the top stopper 16, and an oil storage tank 15 is arranged below the top stopper 16, and lubricating oil can be stored in the oil storage tank 15, so that the lubricating oil can enter the oil drain groove 13 along the opening of the oil drain groove 13, and finally enter the rotor groove 6, thereby improving the lubrication effect of the inner rotor 5. An annular guide groove 7 is arranged on the surface of the inner rotor 5, and one end of several groups of rotor grooves 6 is connected with the guide groove 7, so that the lubricating oil can enter the groove of each group of rotor grooves 6 along the guide groove 7. A bottom gasket groove 14 is arranged at the bottom of the groove of the lower sleeve 2, and a graphite gasket 10 is arranged between the retaining spring plate 8 and the lower sleeve 2. The graphite gasket 10 is adapted to the groove of the bottom gasket groove 14. Before assembly, the graphite gasket 10 can be first padded in the groove of the bottom gasket groove 14, which is resistant to high and low temperatures and corrosion, and the sealing is increased by removing its own elasticity.

[0025] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bearing sleeve assembly, comprising: an upper sleeve (1), a lower sleeve (2) below the upper sleeve (1), and an inner rotor (5) installed between the upper sleeve (1) and the lower sleeve (2), It is characterized by further comprising: A snap spring plate (8) is arranged between the inner rotor (5) and the lower shaft sleeve (2); A rotor slot (6) is provided on the surface of the inner rotor (5), and a positioning socket (11) is provided at the slot end of the rotor slot (6); A positioning plug (12) is fixedly mounted on the end surface of the spring plate (8), and the positioning plug (12) is plugged and matched with the positioning socket (11); The oil drain groove (13) is formed on the surface of the retaining spring plate (8), and the groove of the oil drain groove (13) is communicated with the positioning insert block (12).

2. A bearing sleeve assembly according to claim 1, characterized in that: A top plug-in unit (3) is fixedly arranged at the port of the upper shaft sleeve (1), a bottom slot (4) is arranged at the port of the lower shaft sleeve (2), and the top plug-in unit (3) is plug-fitted with the bottom slot (4).

3. A bearing sleeve assembly according to claim 1, characterized in that: A ring-shaped flow guide groove (7) is provided on the surface of the inner rotor (5), and one end of a plurality of groups of rotor grooves (6) is connected to the flow guide groove (7).

4. A bearing sleeve assembly according to claim 1, characterized in that: A retaining spring through hole (9) is provided at the center of the retaining spring plate (8), and a top stopper (16) is provided in the groove of the lower shaft sleeve (2).

5. The bearing sleeve assembly according to claim 1, characterized in that: A bottom gasket groove (14) is provided at the bottom of the groove of the lower shaft sleeve (2), and a graphite gasket (10) is arranged between the retaining spring plate (8) and the lower shaft sleeve (2), and the graphite gasket (10) is adapted to the groove of the bottom gasket groove (14).

6. A bearing sleeve assembly according to claim 1, characterized in that: An oil storage groove (15) is arranged between the bottom pad groove (14) and the top stopper (16); the groove cross-section of the oil drain groove (13) is L-shaped; and the groove bottom of the oil drain groove (13) is connected to the oil storage groove (15).

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