CN221401381U - Shaft sleeve convenient to install - Google Patents

Abstract

The utility model discloses a shaft sleeve convenient to install, and relates to the technical field of shaft sleeves. The novel T-shaped fixing device comprises two half sleeve bodies, wherein two clamping grooves are formed in the upper side and the lower side of the surface of each half sleeve body, clamping blocks are clamped on the inner walls of the two corresponding clamping grooves together, a plurality of first fixing holes are formed in the top surfaces of the clamping blocks, second fixing holes penetrate through the positions, located in the corresponding first fixing holes, of each half sleeve body, fixing columns which are T-shaped are arranged between the corresponding first fixing holes and the corresponding second fixing holes together, and fixing mechanisms with variable coating ranges are arranged on the upper sides of the column walls of the corresponding fixing columns. The utility model can be quickly installed, avoids the situation that the shaft sleeve is deformed by adopting a mode of installing the shaft sleeve by a knock-in method or a press-in method, and is beneficial to use.

Description

Shaft sleeve convenient to install

Technical Field

The utility model relates to the technical field of shaft sleeves, in particular to a shaft sleeve convenient to install.

Background

The axle sleeve is a part of bearing, and the axle sleeve is installed in the outside of bearing generally, plays protection bearing, reduces friction, increases effect such as stability, and simultaneously, the cooperation of axle sleeve and bearing must be inseparable to ensure the normal operation and the increase of service life of machine, if the cooperation of axle sleeve and bearing is inseparable, can lead to friction increase, heat production, wearing and tearing to accelerate scheduling problem, thereby influences the performance and the life of machine. Therefore, in mechanical designs, it is important to select the proper bushings and bearings and perform the correct installation.

The traditional shaft sleeve is installed by adopting a knock-in method or a press-in method to load the shaft sleeve into a bearing seat hole and fix the shaft sleeve, but the shaft sleeve is easy to change in size and shape after being pressed into the bearing seat hole, and the inner hole is required to be trimmed and inspected by adopting a reaming or scraping method in the later period so as to ensure good clearance fit between a shaft neck and the shaft sleeve, so that the installation is complex and the quality problem is easy to occur. To this end, we propose a bushing that is easy to install.

Disclosure of utility model

The utility model adopts the following technical scheme for realizing the purposes:

The utility model provides a axle sleeve convenient to installation, includes two half sleeve bodies, two the upper and lower both sides on the surface of half sleeve body have all been seted up two draw-in grooves, two corresponding the joint has the fixture block jointly to the inner wall of draw-in groove, and a plurality of first fixed orifices have all been seted up to the top surface of fixture block, two the inside of half sleeve body is located the position of corresponding a plurality of first fixed orifices and has all been run through the second fixed orifices, and a plurality of be provided with the fixed column that is the T type between first fixed orifices respectively and the corresponding second fixed orifices jointly, a plurality of corresponding the upside of fixed column wall is provided with cladding scope changeable fixed establishment jointly, and this axle sleeve can install fast to avoided taking the mode of knocking-in method or pressing-in method installation axle sleeve to make the axle sleeve produce the condition of warping, be favorable to using.

Further, the fixing mechanism comprises fixing ring grooves formed in the upper sides of the walls of a plurality of fixing posts, fixing arc pieces are jointly arranged on the inner walls of the fixing ring grooves, mounting holes are formed in the left side and the right side of the top surface of each fixing arc piece, threaded holes are formed in the positions, located on the corresponding mounting holes, of the top surface of each half sleeve body, and bolts are jointly arranged in the two mounting holes and the inner walls of the corresponding threaded holes respectively.

Further, a plurality of clamping grooves are formed in the surfaces of the two fixing arc pieces.

Further, the surfaces of the clamping blocks are fixedly connected with lug blocks.

Further, the two half sleeve bodies and the clamping blocks are made of aluminum alloy, and the fixing columns and the fixing arc pieces are made of tungsten-cobalt hard alloy.

Further, the inner walls of the two half sleeve bodies are jointly provided with an oil groove.

Further, the surfaces of the bolts are provided with damping gaskets, and the damping gaskets are made of aluminum alloy.

The beneficial effects of the utility model are as follows:

1. When using this axle sleeve, cover two half cover body on the bearing frame, put into the draw-in groove with the fixture block, then insert first fixed orifices and second fixed orifices with the fixed column in, finally, block the fixed column with fixed arc piece through fixed ring groove, and fix the fixed arc piece on two half cover body through the bolt, it is spacing fixed to carry out the fixed column, thereby make two half cover body install on the bearing frame, realize the quick installation of axle sleeve, and avoided the condition that produces the deformation after the axle sleeve is installed, be favorable to using.

2. The clamping groove enables the fixing arc piece to have a better limiting and fixing effect on the fixing column, the service performance and the using effect of the device are improved, the clamping block is convenient to take out from the clamping groove through the lug, and therefore the convenience of quick detachment of the device is improved.

3. The aluminum alloy shaft sleeve has the characteristics of high strength, wear resistance and light weight, is suitable for high-speed rotating machinery and large-load work, has light weight and small thermal expansion coefficient, can reduce the internal stress of the bearing, is beneficial to the service life of the bearing, has small friction force between the shaft sleeve and the bearing due to the oil groove, is beneficial to prolonging the service life of the bearing, has anti-vibration performance, prevents the bolt from loosening due to vibration, and ensures the fastening effect of the bolt.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic side sectional view of the present utility model;

FIG. 3 is a schematic perspective view of a fixed arc piece of the present utility model;

FIG. 4 is a schematic perspective view of the present utility model;

FIG. 5 is a schematic perspective view of a latch according to the present utility model;

reference numerals: 1. a half sleeve body; 2. a clamping groove; 3. a clamping block; 4. a first fixing hole; 5. a second fixing hole; 6. fixing the column; 7. a fixed ring groove; 8. fixing the arc piece; 9. a mounting hole; 10. a threaded hole; 11. a bolt; 12. a clamping groove; 13. ear pieces; 14. an oil groove; 15. and a shock absorption gasket.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

The front, back, left and right viewing angles of the device are based on the direction of the drawing of fig. 1.

As shown in fig. 1 to 5, a shaft sleeve convenient to install comprises two half sleeve bodies 1, two clamping grooves 2 are respectively formed in the upper side and the lower side of the surfaces of the two half sleeve bodies 1, clamping blocks 3 are jointly clamped on the inner walls of the two corresponding clamping grooves 2, the shapes of a plurality of clamping blocks 3 are consistent, the positions of second fixing holes 5 formed in the clamping blocks are identical and symmetrical, when the shaft sleeve is installed, the shaft sleeve can be clamped into any clamping groove 2 for use, so that the installation efficiency is improved, a plurality of first fixing holes 4 are formed in the top surfaces of the clamping blocks 3, the second fixing holes 5 penetrate through the inner parts of the two half sleeve bodies 1 and are positioned at the positions of the corresponding first fixing holes 4, T-shaped fixing columns 6 are jointly arranged between the first fixing holes 4 and the corresponding second fixing holes 5, fixing mechanisms with variable coating ranges are jointly arranged on the upper sides of the column walls of the corresponding fixing columns 6, the fixing mechanism comprises fixing ring grooves 7 arranged on the upper sides of the rod walls of a plurality of fixing columns 6, the fixing ring grooves 7 are arranged on the fixing columns 6, so that the fixing columns 6 can be inserted into the first fixing holes 4 and the second fixing holes 5 at will, and can be clamped through fixing arc pieces 8 after extending out, thereby improving the convenience of installation, the inner walls of the fixing ring grooves 7 are jointly provided with the fixing arc pieces 8, the left and right sides of the top surfaces of the fixing arc pieces 8 are respectively provided with mounting holes 9, the positions of the top surfaces of the two half sleeve bodies 1, which are positioned at the corresponding mounting holes 9, are respectively provided with screw holes 10, the two mounting holes 9 are respectively and jointly provided with bolts 11 with the inner walls of the corresponding screw holes 10, when the shaft sleeve is used, the two half sleeve bodies 1 are sleeved on a bearing seat, a clamping block 3 is put into the clamping groove 2, then the fixing columns 6 are inserted into the first fixing holes 4 and the second fixing holes 5, finally, the fixing arc piece 8 is clamped on the fixing column 6 through the fixing ring groove 7, the fixing arc piece 8 is fixed on the two half sleeve bodies 1 through the bolts 11, and the fixing column 6 is limited and fixed, so that the two half sleeve bodies 1 are arranged on the bearing seat, the shaft sleeve is rapidly arranged, deformation caused after the shaft sleeve is arranged is avoided, and the shaft sleeve is beneficial to use.

As shown in fig. 1-5, in some embodiments, the surfaces of two fixing arc pieces 8 are provided with a plurality of clamping grooves 12, the inner walls of the clamping grooves 12 are in contact with the inner walls of the fixing ring grooves 7, no gap exists, the fixing arc pieces 8 are beneficial to limit and fix the fixing columns 6, the surfaces of a plurality of clamping blocks 3 are fixedly connected with lugs 13, the clamping grooves 12 enable the fixing arc pieces 8 to limit and fix the fixing columns 6 better, the usability and the use effect of the device are improved, the clamping blocks 3 are conveniently taken out from the clamping grooves 2 through the lugs 13, and therefore the convenience of quick detachment of the device is improved.

As shown in fig. 1-5, in some embodiments, the two half-sleeve bodies 1 and the plurality of clamping blocks 3 are all made of aluminum alloy, the plurality of fixing columns 6 and the two fixing arc pieces 8 are all made of tungsten-cobalt hard alloy, the tungsten-cobalt hard alloy is hard alloy composed of tungsten carbide and metal cobalt, the cobalt content is 3% -30%, the hardness of the tungsten-cobalt hard alloy is higher, and the tungsten-cobalt hard alloy has better wear resistance and corrosion resistance, so that the two half-sleeve bodies 1 are commonly used in occasions with high hardness and high precision requirements such as cutting tools, wear-resistant parts and measuring tools, the inner walls of the two half-sleeve bodies 1 are commonly provided with oil grooves 14, the surfaces of the plurality of bolts 11 are all provided with damping gaskets 15, the plurality of damping gaskets 15 are all made of aluminum alloy, the aluminum alloy sleeve has the characteristics of high strength, wear resistance and light weight, is suitable for high-speed rotating machinery and heavy load work, the mass is light, the thermal expansion coefficient is small, the internal stress of the bearing can be reduced, the service life of the bearing is facilitated, the oil grooves 14 enable the friction force between the sleeve and the bearing to be small, the service life of the bearing is facilitated, the damping gaskets 15 are provided with anti-vibration performance, and the anti-loosening effect of the bolts 11 is ensured.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. The utility model provides a axle sleeve convenient to installation, includes two half cover body (1), its characterized in that, two draw-in groove (2) have all been seted up to the upper and lower both sides on the surface of half cover body (1), two corresponding joint has fixture block (3) jointly to the inner wall of draw-in groove (2), and a plurality of first fixed orifices (4) have all been seted up to the top surface of fixture block (3), two the inside of half cover body (1) is located the position of corresponding a plurality of first fixed orifices (4) all runs through second fixed orifices (5), a plurality of be provided with between first fixed orifices (4) respectively and corresponding second fixed orifices (5) jointly and be T type fixed column (6), a plurality of corresponding fixed column (6) column wall's upside is provided with cladding scope changeable fixed establishment jointly.

2. The shaft sleeve convenient to install according to claim 1, wherein the fixing mechanism comprises fixing ring grooves (7) formed in the upper sides of the rod walls of the fixing columns (6), fixing arc pieces (8) are jointly arranged on the inner walls of the fixing ring grooves (7), mounting holes (9) are formed in the left side and the right side of the top surface of each fixing arc piece (8), threaded holes (10) are formed in positions, located in corresponding mounting holes (9), of the top surfaces of the two half sleeve bodies (1), and bolts (11) are jointly arranged on the inner walls of the two mounting holes (9) and the corresponding threaded holes (10) respectively.

3. A bushing for easy installation according to claim 2, characterized in that the surfaces of both said fixing lugs (8) are provided with a plurality of detent grooves (12).

4. A bushing for easy installation according to claim 1, characterized in that the surface of the plurality of the clamping blocks (3) is fixedly connected with the ear blocks (13).

5. The shaft sleeve convenient to install according to claim 2, wherein the two half sleeve bodies (1) and the clamping blocks (3) are made of aluminum alloy, and the fixing columns (6) and the fixing arc pieces (8) are made of tungsten-cobalt hard alloy.

6. A sleeve for easy installation according to claim 1, characterized in that the inner walls of both said half-sleeves (1) are jointly provided with an oil groove (14).

7. A bushing according to claim 2, characterized in that the surface of a plurality of bolts (11) is provided with damping washers (15), and that a plurality of said damping washers (15) are made of an aluminum alloy.