Shaft sealing sleeve

Abstract

The utility model discloses a shaft sealing sleeve which comprises a sealing sleeve main body, the top of the sealing sleeve main body is connected with a sealing edge, the sealing sleeve main body is provided with a protection mechanism used for carrying out abrasion protection on the outer portion of the sealing sleeve main body, the protection mechanism comprises an abrasion-resistant cylinder, the abrasion-resistant cylinder is arranged outside the sealing sleeve main body in a sleeved mode, and abrasion-resistant particles are arranged outside the abrasion-resistant cylinder. And the wear-resistant cylinder is connected with the bearing cylinder through the connecting cylinder. And annular grooves are equidistantly formed outside the wear-resistant cylinder. The wear-resistant cylinder, the tightening ring, the bearing cylinder, the sliding column and the mounting stud are matched with one another, the wear-resistant cylinder is in contact with the connecting piece connected with the shaft body, the wear-resistant cylinder and the sealing sleeve main body are tightly connected with the shaft body through the tightening ring, and the wear-resistant cylinder is mounted and dismounted through the connecting cylinder, the bearing cylinder and the mounting stud; wear-resistant protection on the exterior of the sealing sleeve main body is facilitated, the sealing sleeve main body can be continuously used by directly replacing the wear-resistant cylinder, and the operation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of shaft sealing sleeve, especially a kind of shaft sealing sleeve. BACKGROUND

[0002] Shaft sealing sleeve is usually a sleeve body for shaft connection sealing, which can seal the connection of shaft to prevent leakage and improve the stability of shaft connection.

[0003] The shaft sealing sleeve of the prior art usually includes a sealing sleeve body and a sealing edge, which is integrally arranged with the sealing sleeve body, so that the sealing sleeve body is sleeved outside the shaft body, and the sealing edge is attached to the end of the shaft body. The sealing sleeve is located between the shaft body and the connecting piece, so that there is friction and extrusion between the outside of the sealing sleeve body and the connecting piece during the rotation of the shaft body, which causes wear on the outside of the sealing sleeve body and affects the sealing of the sealing sleeve, making the sealing sleeve ineffective and unusable. Therefore, the shaft sealing sleeve is not convenient to wear-resistant protection during connection, which has certain limitations. SUMMARY

[0004] The utility model aims at providing a kind of shaft sealing sleeve to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of shaft sealing sleeve, comprising:

[0006] The sealing sleeve body is connected with the sealing edge at the top, and the outside of the sealing sleeve body is provided with a protection mechanism for wear protection of the outside of the sealing sleeve body, and the protection mechanism comprises:

[0007] The wear-resistant cylinder is sleeved outside the sealing sleeve body, and the outside of the wear-resistant cylinder is provided with wear-resistant particles.

[0008] The wear-resistant cylinder is connected with the bearing cylinder through the connecting cylinder.

[0009] Preferably, equidistant annular grooves are formed on the outside of the wear-resistant cylinder, the inner cavity of the annular groove is sleeved with a tight ring for tightly connecting the wear-resistant cylinder and the sealing sleeve body, and the top of the wear-resistant cylinder is fixedly connected with the connecting cylinder.

[0010] Preferably, the bearing cylinder is fixedly connected to the bottom of the sealing edge, the outside of the connecting cylinder is fixedly connected with a sliding column, and the inner wall of the bearing cylinder is provided with a sliding groove matched with the sliding column.

[0011] Preferably, the side of the sliding column is fixedly connected with a guide plate, the side of the inner wall of the sliding groove is provided with a guide groove, and the guide plate is slidably connected with the inner cavity of the guide groove.

[0012] Preferably, the outer part of the bearing cylinder is provided with a first circular groove, the inner cavity of the first circular groove is provided with a mounting stud, the inner wall of the first circular groove is provided with a first screw hole, the side of the sliding column is provided with a second screw hole, and the mounting stud is threadedly connected with the inner cavities of the first screw hole and the second screw hole.

[0013] Preferably, the inner wall of the wear-resistant cylinder is fixedly connected with a connecting block in an annular array, and the outer part of the sealing sleeve body is provided with a groove in an annular array.

[0014] The technical effects and advantages of the present application are as follows:

[0015] The present application utilizes the cooperation of the wear-resistant cylinder, the tightening ring, the bearing cylinder, the connecting cylinder, the sliding column and the mounting stud, the connecting piece of the wear-resistant cylinder connected with the shaft body is in contact, the tightening ring enables the wear-resistant cylinder and the sealing sleeve body to be tightly connected with the shaft body, the connecting cylinder, the bearing cylinder and the mounting stud are used for mounting and dismounting the wear-resistant cylinder, thereby facilitating the wear-resistant protection of the outer part of the sealing sleeve body, and the sealing sleeve body can be continuously used by directly replacing the wear-resistant cylinder, and the operation is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the present application.

[0017] Figure 2 It is a front cross-sectional structure schematic view of the present application.

[0018] Figure 3 It is a front structure schematic view of the present application at the guide plate.

[0019] Figure 4 It is a front cross-sectional structure schematic view of the present application at the sliding column.

[0020] In the drawing: 1, sealing sleeve body; 2, sealing edge; 3, protection mechanism; 31, wear-resistant cylinder; 32, tightening ring; 33, bearing cylinder; 34, connecting cylinder; 35, sliding column; 36, mounting stud; 37, guide plate; 4, connecting block. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] The present application provides aFigures 1-4 The sealing sleeve shown in the figure comprises a sealing sleeve body 1, the top of the sealing sleeve body 1 is connected with a sealing edge 2, the sealing sleeve body 1 and the sealing edge 2 are integrally arranged, and the sealing sleeve body 1 is sleeved on the outside of the shaft body.

[0023] The outside of the sealing sleeve body 1 is provided with a protection mechanism 3 for wear protection of the outside of the sealing sleeve body 1, the protection mechanism 3 comprises a wear-resistant cylinder 31, a bearing cylinder 33 and a connecting cylinder 34, the wear-resistant cylinder 31 is made of wear-resistant sealing rubber material, the wear-resistant cylinder 31 is beneficial to wear protection of the outside of the sealing sleeve body 1, the wear-resistant cylinder 31 is in contact with the connecting piece connected with the shaft body, thereby being beneficial to avoiding that the outside of the sealing sleeve body 1 is damaged by wear and cannot be used, only the wear-resistant cylinder 31 needs to be replaced, and the sealing sleeve body 1 can be continuously used, the bearing cylinder 33 and the connecting cylinder 34 are made of hard material, the bearing cylinder 33 is beneficial to being connected with the connecting cylinder 34, facilitating installation of the wear-resistant cylinder 31, and being beneficial to supporting the sealing edge 2 and the sealing sleeve body 1, increasing the stability of use of the sealing edge 2, the connecting cylinder 34 is beneficial to supporting the wear-resistant cylinder 31, facilitating movement of the wear-resistant cylinder 31 to install the wear-resistant cylinder 31, and the connecting cylinder 34 and the wear-resistant cylinder 31 can be connected in a gluing manner, thereby separating the wear-resistant cylinder 31 from the connecting cylinder 34 after wear of the wear-resistant cylinder 31, and the connecting cylinder 34 can be reused, which is convenient to operate, the wear-resistant cylinder 31 is sleeved on the outside of the sealing sleeve body 1, the outside of the wear-resistant cylinder 31 is provided with wear-resistant particles, which is beneficial to increasing the wear resistance of the wear-resistant cylinder 31 and improving the service life of the wear-resistant cylinder 31, the wear-resistant cylinder 31 is connected with the bearing cylinder 33 through the connecting cylinder 34, equidistant annular grooves are formed in the outside of the wear-resistant cylinder 31, which are beneficial to cooperation with a tightening ring 32, the inner cavity of the annular grooves is sleeved with the tightening ring 32 for tightly fitting the wear-resistant cylinder 31 and the sealing sleeve body 1, the tightening ring 32 is made of rubber material with a certain elasticity, the tightening ring 32 is beneficial to tightly fitting the wear-resistant cylinder 31 and the sealing sleeve body 1, and is beneficial to tightly fitting the sealing sleeve body 1 and the outer wall of the shaft body, thereby being beneficial to improving the sealing performance of the sealing sleeve body 1 connected with the shaft body, and the top of the wear-resistant cylinder 31 is fixedly connected with the connecting cylinder 34.

[0024] Specifically, the bearing cylinder 33 is fixedly connected to the bottom of the sealing edge 2, the outer part of the connecting cylinder 34 is fixedly connected with the sliding column 35, the sliding column 35 is beneficial to the vertical positioning of the installation of the connecting cylinder 34, and the stability of the installation of the connecting cylinder 34 is facilitated to avoid the arbitrary rotation of the connecting cylinder 34, the inner wall of the bearing cylinder 33 is provided with a sliding groove matched with the sliding column 35, the side of the sliding column 35 is fixedly connected with the guide plate 37, which is beneficial to the vertical guiding of the installation of the sliding column 35, so as to increase the stability of the installation of the sliding column 35, the side of the inner wall of the sliding groove is provided with a guide groove, the guide plate 37 is slidably connected with the inner cavity of the guide groove, the outer part of the bearing cylinder 33 is provided with a first circular groove, the inner cavity of the first circular groove is provided with the mounting stud 36, which is beneficial to the limitation of the relative position of the bearing cylinder 33 and the sliding column 35, and then it is beneficial to the installation and disassembly of the connecting cylinder 34, so as to install and disassemble the wear-resistant cylinder 31, facilitate to take down and replace the wear-resistant cylinder 31, the inner wall of the first circular groove is provided with a first screw hole, the side of the sliding column 35 is provided with a second screw hole, and the mounting stud 36 is threadedly connected with the inner cavities of the first screw hole and the second screw hole.

[0025] In particular, the inner wall of the wear-resistant cylinder 31 is fixedly connected with the connecting block 4 in a ring array, the connecting block 4 is made of hard material, when the connecting block 4 is installed, the elastic force of the wear-resistant cylinder 31 is utilized, the wear-resistant cylinder 31 is rolled up, so that the connecting block 4 is clamped with the inner cavity of the groove, that is, the installation of the wear-resistant cylinder 31 is positioned, the stability of the installation of the wear-resistant cylinder 31 is improved, the outer part of the sealing sleeve main body 1 is provided with a groove in a ring array, and the connecting block 4 is slidably connected with the inner cavity of the groove.

[0026] Finally, it should be pointed out that: the above-mentioned only for preferred embodiments of the present application, and does not limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A shaft seal sleeve comprising a sleeve body (1), a sealing edge (2) is connected to the top of the sleeve body (1), characterized in that, The outer part of the sealing sleeve body (1) is provided with a protection mechanism (3) for wear protection of the outer part of the sealing sleeve body (1), and the protection mechanism (3) comprises: A wear-resistant cylinder (31) is sleeved on the outer part of the sealing sleeve body (1), and the outer part of the wear-resistant cylinder (31) is provided with wear-resistant particles; A bearing cylinder (33) and a connecting cylinder (34), the wear-resistant cylinder (31) is connected with the bearing cylinder (33) through the connecting cylinder (34).

2. A shaft seal sleeve according to claim 1, wherein, The outer part of the wear-resistant cylinder (31) is provided with an annular groove, and the inner cavity of the annular groove is sleeved with a tightening ring (32) for tightly connecting the wear-resistant cylinder (31) and the sealing sleeve body (1), and the top of the wear-resistant cylinder (31) is fixedly connected with the connecting cylinder (34).

3. A shaft seal sleeve as claimed in claim 1, wherein The bearing cylinder (33) is fixedly connected to the bottom of the sealing edge (2), the outer part of the connecting cylinder (34) is fixedly connected with a sliding column (35), and the inner wall of the bearing cylinder (33) is provided with a sliding groove matched with the sliding column (35).

4. A shaft seal sleeve according to claim 3, wherein, The side of the sliding column (35) is fixedly connected with a guide plate (37), the side of the inner wall of the sliding groove is provided with a guide groove, and the guide plate (37) is slidably connected with the inner cavity of the guide groove.

5. A shaft seal sleeve as claimed in claim 3, wherein, The outer part of the bearing cylinder (33) is provided with a first circular groove, the inner cavity of the first circular groove is provided with a mounting stud (36), the inner wall of the first circular groove is provided with a first screw hole, the side of the sliding column (35) is provided with a second screw hole, and the mounting stud (36) is threadedly connected with the inner cavities of the first screw hole and the second screw hole.

6. A shaft seal sleeve as claimed in claim 1, wherein The inner wall of the wear-resistant cylinder (31) is fixedly connected with a connecting block (4) in an annular array, the outer part of the sealing sleeve body (1) is provided with a groove in an annular array, and the connecting block (4) is slidably connected with the inner cavity of the groove.

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