Shaft sleeve with high sealing effect

Abstract

The utility model discloses a shaft sleeve with a high sealing effect, and relates to the technical field of shaft sleeves, the shaft sleeve comprises a shaft sleeve body, a heat dissipation assembly is arranged in the shaft sleeve body, the heat dissipation assembly is used for improving the heat dissipation effect of the shaft sleeve, and the heat dissipation assembly comprises a transmission channel, heat dissipation holes, dustproof bent grooves and discharge holes. The transmission channel is formed in the inner wall of the top of the shaft sleeve body, a plurality of heat dissipation holes are formed in the bottom of the transmission channel and penetrate through the inner wall of the top of the shaft sleeve body, the dustproof bent groove is formed in one end of the transmission channel, and a discharging hole is formed in one end of the dustproof bent groove and penetrates through the front face of the top of the shaft sleeve body. Heat generated in the shaft sleeve can enter the heat dissipation assembly through the heat dissipation holes, enters the transmission channels through the heat dissipation holes, enters the dustproof bent grooves under transmission of the transmission channels and is finally discharged through the discharging holes, and therefore the heat dissipation efficiency of the shaft sleeve is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of shaft sleeve, specifically to a high sealing effect shaft sleeve. BACKGROUND

[0002] The shaft sleeve is a cylindrical mechanical part sleeved on a rotating shaft and is a component of a sliding bearing. The shaft sleeve has the functions of positioning and supporting, positions and supports the shaft, ensures the stability and accuracy of the shaft during rotation, and reduces vibration and deviation.

[0003] The patent document CN204942044U discloses a centrifugal pump mechanical sealing shaft sleeve. The document discloses that the shaft sleeve comprises a groove arranged on the outer surface of the shaft sleeve, the depth of the groove gradually increases from one end of the groove to the other end of the groove, a sealing groove arranged at one end of the shaft sleeve for placing a sealing ring, a key groove arranged on the inner wall of the other end of the shaft sleeve for sleeving a positioning key of a pump shaft, and the shaft sleeve and the pump shaft are fixed together. When the shaft sleeve is sleeved on the pump shaft and rotates with the pump shaft, the liquid in the groove can quickly flow to generate a cutting force on the outer surface of the shaft sleeve, and the cutting force can remove the oil stains and / or scale attached to the outer surface of the shaft sleeve. In the above technical solution, the groove is added to the outer surface of the shaft sleeve to solve the technical problem that the shaft sleeve of the mechanical seal is prone to attaching a large amount of oil stains or scale in the prior art, and the oil stains or scale attached to the shaft sleeve is reduced.

[0004] However, the above-mentioned centrifugal pump mechanical sealing shaft sleeve mainly considers the problem that the existing shaft sleeve is prone to attaching a large amount of oil stains or scale, but the shaft sleeve lacks a heat dissipation component, which makes the heat dissipation effect of the shaft sleeve poor, easily leads to the reduction of the viscosity of the lubricating oil in the shaft sleeve, affects the lubrication effect, and further increases the friction and wear between components, and also easily leads to the deformation of the components.

[0005] Therefore, it is necessary to study a shaft sleeve with high sealing effect to improve the heat dissipation efficiency of the shaft sleeve. UTILITY MODEL CONTENTS

[0006] The utility model discloses a kind of shaft sleeves with high sealing effect, to solve the technical problems that the shaft sleeve lacks heat dissipation component in the above background art, makes the heat dissipation effect of the shaft sleeve poor, easily leads to the reduction of the viscosity of the lubricating oil in the shaft sleeve, affects the lubrication effect.

[0007] To achieve the above object, the utility model provides the following technical scheme: A high sealed effect shaft sleeve, include: The inside of shaft sleeve body is equipped with heat dissipation component, heat dissipation component is used for improving the heat dissipation effect of shaft sleeve, heat dissipation component includes transmission channel, heat dissipation hole, dustproof curved groove and discharge hole, the top inner wall of shaft sleeve body is equipped with transmission channel, the bottom of transmission channel is equipped with a plurality of heat dissipation holes, and heat dissipation hole penetrates the top inner wall of shaft sleeve body, dustproof curved groove is equipped in one end of transmission channel, and one end of dustproof curved groove is equipped with discharge hole, and discharge hole penetrates the top front surface of shaft sleeve body.

[0008] Preferably, the inside of the discharge hole is provided with a blocking net.

[0009] Preferably, the inside of the discharge hole is provided with a blocking net.

[0010] Preferably, the inside of the discharge hole is provided with a blocking net.

[0011] Preferably, the inside of the discharge hole is provided with a blocking net.

[0012] Preferably, the inside of the discharge hole is provided with a blocking net.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. In the utility model, the heat generated in the shaft sleeve can enter the heat dissipation component through the heat dissipation hole, the heat enters the transmission channel, and then enters the dustproof curved groove under the transmission of the transmission channel, and finally is discharged through the discharge hole, thereby accelerating the heat dissipation efficiency of the shaft sleeve.

[0015] 2. In the utility model, the sealing bolt is removed from the inside of the threaded groove, so that the lubricating oil can be added to the inside of the shaft sleeve through the threaded groove, and the added lubricating oil enters the spiral lubricating channel, thereby facilitating the uniform addition of the lubricating oil to the inside of the shaft sleeve. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic view of the utility model;

[0017] Figure 2 It is the shaft sleeve body sectional view of the utility model;

[0018] Figure 3The utility model discloses a Figure 2 Structure schematic diagram in B place;

[0019] Figure 4 The utility model discloses a Figure 1 Structure schematic diagram in A place.

[0020] In the figure: 1, shaft sleeve body; 2, installation groove; 3, sealing ring; 4, groove body; 5, threaded slot hole; 6, sealing bolt; 7, spiral lubrication channel; 8, discharge hole; 9, blocking net; 10, dustproof curved groove; 11, transmission channel; 12, heat dissipation hole. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] In the description of the utility model, it needs to be explained that the directions or position relations indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "another end" and the like are the directions or position relations shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and are not indicative or suggestive of the devices or elements indicated having a particular direction, being constructed and operated in a particular direction, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicative or suggestive of relative importance.

[0023] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] Please refer to Figure 1 , Figure 2 and Figure 3 A shaft sleeve with high sealing effect;

[0025] It includes: the shaft sleeve body 1 and the heat dissipation assembly, the inside of the shaft sleeve body 1 is provided with the heat dissipation assembly, the heat dissipation assembly is used to improve the heat dissipation effect of the shaft sleeve, the heat dissipation assembly includes transmission channel 11, heat dissipation hole 12, dustproof curved groove 10 and discharge hole 8, transmission channel 11 is provided in the top inner wall of the shaft sleeve body 1, the bottom of transmission channel 11 is provided with a plurality of heat dissipation holes 12, and the heat dissipation hole 12 penetrates the top inner wall of the shaft sleeve body 1, the dustproof curved groove 10 is provided at one end of transmission channel 11, one end of the dustproof curved groove 10 is provided with the discharge hole 8, and the discharge hole 8 penetrates the top front surface of the shaft sleeve body 1, and the inside of the discharge hole 8 is provided with the blocking net 9;

[0026] The shaft sleeve body 1 provides a position for the positioning and support of the shaft, and also provides a position for the installation of the heat dissipation assembly, the heat generated in the shaft sleeve can enter the transmission channel 11 through the heat dissipation hole 12 in the heat dissipation assembly, and then enter the dustproof curved groove 10 under the transmission of the transmission channel 11, and finally be discharged through the discharge hole 8, thereby accelerating the heat dissipation efficiency of the shaft sleeve, in order to prevent dust from entering the inside of the shaft sleeve through the heat dissipation assembly, the dustproof curved groove 10 is designed in the shape of inverted "Z", and the discharge hole 8 is inclined upward on the front surface of the shaft sleeve body 1, thereby effectively preventing dust from entering the inside of the shaft sleeve body 1 through the discharge hole 8, so that the heat dissipation assembly has a dustproof effect, and the installation of the blocking net 9 prevents sundries from being plugged into the inside of the discharge hole 8, thereby affecting the heat dissipation.

[0027] Please refer to Figure 1 and Figure 4 A shaft sleeve with high sealing effect;

[0028] It includes sealing ring 3 and spiral lubrication channel 7, the inside of the two ends of the shaft sleeve body 1 is symmetrically provided with mounting groove 2, the inside of the mounting groove 2 is provided with sealing ring 3, the inner wall of the shaft sleeve body 1 is provided with spiral lubrication channel 7, the back side of the shaft sleeve body 1 is provided with groove 4, the inside of the groove 4 is provided with threaded groove hole 5, and the threaded groove hole 5 penetrates the inside of the spiral lubrication channel 7, and the inside of the groove 4 is provided with sealing bolt 6 through the threaded groove hole 5;

[0029] The sealing ring 3 is installed on the inner wall of the shaft sleeve body 1 through the mounting groove 2, and the sealing property between the shaft body and the inner wall of the shaft sleeve body 1 can be improved through the sealing ring 3, the sealing bolt 6 is taken out from the inside of the threaded groove hole 5 by rotating the sealing bolt 6, so that the shaft sleeve can be filled with lubricating oil through the threaded groove hole 5, the added lubricating oil enters the spiral lubrication channel 7, thereby facilitating the uniform addition of lubricating oil to the inside of the shaft sleeve, and after addition, the sealing bolt 6 is rotated into the inside of the threaded groove hole 5 for sealing.

[0030] The working principle is that firstly, the shaft body needing support is inserted into the inside of the shaft sleeve body 1, the shaft sleeve body 1 supports and limits the shaft body, under the action of the sealing ring 3, the sealing between the shaft body and the shaft sleeve body 1 is higher, since the shaft body rotates in the inside of the shaft sleeve body 1, the inside of the shaft sleeve body 1 needs to add lubricating oil, the lubricating effect between the shaft sleeve body 1 and the shaft body is improved, the lubricating oil is added into the spiral lubricating channel 7 through the threaded groove hole 5, the spiral lubricating channel 7 is arranged on the inner wall of the shaft sleeve body 1, so that the lubricating oil is added more conveniently and uniformly.

[0031] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but rather can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being defined by the appended claims rather than that of the above description, and it is intended to embrace all changes and modifications that fall within the meaning and scope of equivalents of the claims. Any reference signs in the claims should not be construed as limiting the claims to which they belong.

Claims

1. A bushing with high sealing performance, characterized in that, It include: the shaft sleeve body (1), the inside of the shaft sleeve body (1) is provided with a heat dissipation assembly, the heat dissipation assembly is used for improving the heat dissipation effect of the shaft sleeve, the heat dissipation assembly includes transmission channel (11), heat dissipation hole (12), dustproof curved groove (10) and discharge hole (8), the transmission channel (11) is provided in the top inner wall of the shaft sleeve body (1), the bottom of the transmission channel (11) is provided with a plurality of heat dissipation holes (12), and the heat dissipation hole (12) penetrates the top inner wall of the shaft sleeve body (1), the dustproof curved groove (10) is provided at one end of the transmission channel (11), one end of the dustproof curved groove (10) is provided with a discharge hole (8), and the discharge hole (8) penetrates the top front surface of the shaft sleeve body (1).

2. The bushing of claim 1, wherein: The inside of the discharge hole (8) is provided with a blocking net (9).

3. The bushing of claim 1, wherein: The inside of the both ends of the shaft sleeve body (1) is symmetrically provided with a mounting groove (2), and the inside of the mounting groove (2) is provided with a sealing ring (3).

4. The bushing of claim 3, wherein: The inner wall of the shaft sleeve body (1) is provided with a spiral lubricating channel (7).

5. The bushing of claim 4, wherein: The back side of the shaft sleeve body (1) is provided with a groove (4), the inside of the groove (4) is provided with a threaded groove hole (5), and the threaded groove hole (5) penetrates the inside of the spiral lubricating channel (7).

6. The bushing of claim 5, wherein: The inside of the groove (4) is provided with a sealing bolt (6) through the threaded groove hole (5).

Images