Shaft sleeve with high stability

Abstract

The utility model provides a shaft sleeve with high stability, which comprises a supporting and assembling component, a circumferential embedding component, a circumferential connecting component, an axial positioning component and a sealing component, and is characterized in that a connecting through hole is arranged to be in threaded connection with a connecting piece, and the shaft sleeve is fixed in a sealing mechanism, so that the shaft sleeve is fixed more stably; the shaft sleeve can normally operate under various conditions, so that the shaft sleeve is more reliable, the sealing mechanism is axially and circumferentially positioned and limited by arranging the circumferential embedding assembly and the axial positioning assembly, the assembly precision after the shaft sleeve and the sealing mechanism are assembled is improved, and the service life of the shaft sleeve is prolonged. And a sealing end ring is arranged to seal the joint of the shaft sleeve and the rotating shaft, so that the sealing performance of the shaft sleeve is improved, dust and water are effectively prevented from entering, and the service life of the sealing mechanism is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of shaft sleeves, in particular to a shaft sleeve with high stability. Background Art

[0002] Patent document CN219809285U discloses a powder metallurgy sintered sleeve inlaid with solid lubricant, comprising a powder metallurgy sintered inner sleeve and a powder metallurgy sintered outer sleeve nested on the outside of the powder metallurgy sintered inner sleeve, the powder metallurgy sintered inner sleeve and the powder metallurgy sintered outer sleeve having an interference fit; the powder metallurgy sintered inner sleeve and the powder metallurgy sintered outer sleeve are made of the same material, thereby avoiding the situation in which the inner sleeve is damaged or the inner sleeve is loosened due to internal stress caused by different expansion rates due to temperature increase, thereby avoiding the situation in which the inner sleeve rotates or falls off due to loosening of the inner sleeve; the powder metallurgy sintered inner sleeve has a plurality of through holes along its thickness direction, the through holes are tapered holes with small outside and large inside, solid lubricants are inlaid in the through holes, the solid lubricants are squeezed due to thermal expansion during operation, and the tapered hole design with small outside and large inside allows the solid lubricants to be squeezed inward, so that the solid lubricants are continuously supplied, the self-lubricating properties of the material are enhanced, and the bearing capacity of the sleeve is improved because the material is not easily damaged due to bite when bearing.

[0003] However, the existing shaft sleeve has poor stability after being assembled with the sealing mechanism, which reduces the assembly accuracy. Therefore, it is necessary for us to improve such a structure to overcome the above-mentioned defects. Utility Model Content

[0004] The purpose of the utility model is to provide a shaft sleeve with high stability to solve the problems raised in the above background technology.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A shaft sleeve with high stability, comprising:

[0007] A support assembly component, wherein the support assembly component has an assembly space, and a receiving space adapted to the rotating shaft is provided in the support assembly component;

[0008] A circumferential interlocking component is formed in the supporting assembly component, a receiving space is provided in the circumferential interlocking component, and the sealing mechanism is positioned by the circumferential interlocking component;

[0009] A circumferential connection assembly is formed on the supporting assembly, a connection space is provided in the circumferential connection assembly, the circumferential connection assembly provides a connection space for a connecting piece adapted thereto, and fixes the supporting assembly assembly in the sealing mechanism;

[0010] An axial positioning component is formed at one end of the supporting assembly component, and the sealing mechanism is positioned by the axial positioning component;

[0011] A sealing component is formed in the supporting assembly component, and the sealing component is used to seal the rotating shaft.

[0012] The utility model is further configured that the support assembly component includes:

[0013] A support sleeve body, wherein the support sleeve body has an assembly space, and a receiving space adapted to the rotating shaft is arranged in the support sleeve body;

[0014] The positioning boss is formed on the support sleeve body, the positioning boss protrudes radially toward the outside of the support sleeve body, and extends circumferentially around the support sleeve body.

[0015] The utility model is further configured that the circumferential interlocking component comprises:

[0016] The embedding groove is formed in the positioning boss. The embedding groove is recessed radially toward the inner side of the positioning boss and extends circumferentially around the positioning boss. The embedding groove is matched with the shape of the sealing mechanism, and the sealing mechanism is positioned by the embedding groove.

[0017] The utility model is further configured that the circumferential connection assembly comprises:

[0018] A connecting through hole is provided in a group, the connecting through hole is formed on the outer side of the positioning boss, the connecting through hole radially penetrates the positioning boss, and a connecting space is provided in the connecting through hole.

[0019] The utility model is further configured that the axial positioning assembly comprises:

[0020] A pair of positioning circular grooves are provided, the positioning circular grooves are recessed toward the inner side of the positioning boss along the axial direction, and the sealing mechanism is positioned by the positioning circular grooves;

[0021] A pair of axial through holes are provided, the axial through holes are formed on the positioning boss, the axial through holes penetrate the positioning boss along the axial direction, and the sealing mechanism is positioned by the axial through holes.

[0022] The utility model is further configured that the sealing component comprises:

[0023] A pair of sealing end rings are provided, and the sealing end rings are symmetrically formed in the support sleeve body. The sealing end rings are recessed radially toward the outside of the support sleeve body, and extend circumferentially around the support sleeve body for a circle, and the sealing end rings accommodate the sealing rings.

[0024] The utility model is further configured that a thread matching the connecting piece is provided in the connecting through hole.

[0025] The advantages of the utility model are:

[0026] 1. The utility model fixes the shaft sleeve in the sealing mechanism by providing a connecting through hole and a connecting piece for threaded connection, so that the fixing of the shaft sleeve is more stable, ensuring that the shaft sleeve can operate normally under various conditions, and making the shaft sleeve more reliable.

[0027] 2. The utility model arranges a circumferential interlocking component and an axial positioning component to position and limit the sealing mechanism in the axial and circumferential directions, thereby increasing the assembly accuracy of the shaft sleeve and the sealing mechanism after assembly.

[0028] 3. The utility model seals the connection between the shaft sleeve and the rotating shaft by arranging a sealing end ring, thereby increasing the sealing performance of the shaft sleeve, effectively preventing dust and moisture from entering, and increasing the service life of the sealing mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a front view of the shaft sleeve with high stability proposed by the utility model.

[0030] Figure 2 It is a bottom view of the shaft sleeve with high stability proposed by the utility model.

[0031] Figure 3 It is a cross-sectional view of the shaft sleeve with high stability proposed by the utility model.

[0032] Figure 4 It is a three-dimensional diagram of the shaft sleeve with high stability proposed by the utility model.

[0033] Numeral symbols: support sleeve 110, positioning boss 120, fitting groove 210, connecting through hole 310, positioning circular groove 410, axial through hole 420, sealing end ring 510 DETAILED DESCRIPTION

[0034] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. The components of the embodiment of the utility model generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiment of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0035] like Figure 1-4As shown, the utility model proposes a high-stability shaft sleeve, including a supporting assembly component, a circumferential interlocking component, a circumferential connecting component, an axial positioning component and a sealing component. The supporting assembly component has an assembly space, and a accommodating space matched with the rotating shaft is provided in the supporting assembly component. The circumferential interlocking component is formed in the supporting assembly component, and a accommodating space is provided in the circumferential interlocking component. The sealing mechanism is positioned by the circumferential interlocking component. The circumferential connecting component is formed on the supporting assembly component, and a connecting space is provided in the circumferential connecting component. The circumferential connecting component provides a connecting space for a connecting piece matched with it, and the supporting assembly component is fixed in the sealing mechanism. The axial positioning component is formed at one end of the supporting assembly component, and the sealing mechanism is positioned by the axial positioning component. The sealing component is formed in the supporting assembly component, and the rotating shaft is sealed by the sealing component.

[0036] In this embodiment, the support assembly component includes a support sleeve 110 and a positioning boss 120. The support sleeve has an assembly space, and a receiving space adapted to the rotating shaft is provided in the support sleeve. The positioning boss is formed on the support sleeve, and the positioning boss protrudes radially toward the outside of the support sleeve and extends circumferentially around the support sleeve.

[0037] In this embodiment, the circumferential interlocking component includes an interlocking groove 210, which is formed in the positioning boss. The interlocking groove is radially recessed toward the inner side of the positioning boss and extends circumferentially around the positioning boss. The interlocking groove is adapted to the outer shape of the sealing mechanism, and the sealing mechanism is positioned by the interlocking groove.

[0038] In this embodiment, the circumferential connection assembly includes a group of connection through holes 310, which are formed on the outer side of the positioning boss and penetrate the positioning boss radially. A connection space is provided in the connection through holes.

[0039] In this embodiment, the axial positioning component includes a positioning circular groove 410 and an axial through hole 420. A pair of positioning circular grooves are provided, which are recessed axially toward the inner side of the positioning boss, and the sealing mechanism is positioned by the positioning circular grooves. A pair of axial through holes are provided, which are formed on the positioning boss, and the axial through holes penetrate the positioning boss axially, and the sealing mechanism is positioned by the axial through holes.

[0040] In this embodiment, the sealing assembly includes a sealing end ring 510, and a pair of sealing end rings are provided. The sealing end rings are symmetrically formed in the support sleeve body, and the sealing end rings are recessed radially toward the outside of the support sleeve body, and extend circumferentially around the support sleeve body. The sealing end rings accommodate the sealing ring, thereby sealing the contact surface between the sleeve and the rotating shaft to prevent moisture and dust from entering, thereby ensuring the normal use of the rotating shaft.

[0041] In this embodiment, a thread matching the connecting piece is provided in the connecting through hole, and the connecting piece is connected to the connecting through hole through the thread, so that the sleeve is fixed in the sealing mechanism, which greatly increases the stability of the connection.

[0042] In the description of the present utility model, it should be noted that when terms such as "upper", "lower", "inner", "outer", "left", "right" and the like indicating orientation or positional relationship appear, it should be understood that the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use, or the orientation or positional relationship commonly understood by those skilled in the art, is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the equipment or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, when terms such as "first" and "second" appear, they are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should also be noted that, unless otherwise clearly specified and limited, terms such as "installation", "setting", and "connection" should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal connection of two elements. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

Claims

1. A shaft sleeve with high stability, characterized in that: include: A support assembly component, wherein the support assembly component has an assembly space, and a receiving space adapted to the rotating shaft is provided in the support assembly component; A circumferential interlocking component is formed in the supporting assembly component, a receiving space is provided in the circumferential interlocking component, and the sealing mechanism is positioned by the circumferential interlocking component; A circumferential connection assembly is formed on the supporting assembly, a connection space is provided in the circumferential connection assembly, and the circumferential connection assembly provides a connection space for a connecting piece adapted thereto, and fixes the supporting assembly assembly in the sealing mechanism; An axial positioning component is formed at one end of the supporting assembly component, and the sealing mechanism is positioned by the axial positioning component; A sealing component is formed in the supporting assembly component, and the sealing component is used to seal the rotating shaft.

2. A shaft sleeve with high stability according to claim 1, characterized in that: The support assembly components include: A support sleeve body, wherein the support sleeve body has an assembly space, and a receiving space adapted to the rotating shaft is arranged in the support sleeve body; The positioning boss is formed on the support sleeve body, the positioning boss protrudes radially toward the outside of the support sleeve body, and extends circumferentially around the support sleeve body.

3. A shaft sleeve with high stability according to claim 2, characterized in that: The circumferential fitting assembly includes: The embedding groove is formed in the positioning boss. The embedding groove is recessed radially toward the inner side of the positioning boss and extends circumferentially around the positioning boss. The embedding groove is matched with the shape of the sealing mechanism, and the sealing mechanism is positioned by the embedding groove.

4. A shaft sleeve with high stability according to claim 2, characterized in that: The circumferential connection assembly includes: A connecting through hole is provided in a group, the connecting through hole is formed on the outer side of the positioning boss, the connecting through hole radially penetrates the positioning boss, and a connecting space is provided in the connecting through hole.

5. A shaft sleeve with high stability according to claim 2, characterized in that: The axial positioning assembly includes: A pair of positioning circular grooves are provided, the positioning circular grooves are recessed toward the inner side of the positioning boss along the axial direction, and the sealing mechanism is positioned by the positioning circular grooves; A pair of axial through holes are provided, the axial through holes are formed on the positioning boss, the axial through holes penetrate the positioning boss along the axial direction, and the sealing mechanism is positioned by the axial through holes.

6. A shaft sleeve with high stability according to claim 2, characterized in that: The sealing assembly includes: A pair of sealing end rings are provided, and the sealing end rings are symmetrically formed in the support sleeve body. The sealing end rings are recessed radially toward the outside of the support sleeve body, and extend circumferentially around the support sleeve body for a circle, and the sealing end rings accommodate the sealing rings.

7. A shaft sleeve with high stability according to claim 4, characterized in that: The connecting through hole is provided with a thread matched with the connecting piece.

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