CN211145136U

CN211145136U - Output shaft sleeve

Info

Publication number: CN211145136U
Application number: CN201921991823.XU
Authority: CN
Inventors: 阳选彬
Original assignee: Chongqing Duai Electromechanical Equipment Manufacturing Co ltd
Current assignee: Chongqing Duai Electromechanical Equipment Manufacturing Co ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-07-31
Anticipated expiration: 2029-11-18

Abstract

The utility model provides an output shaft sleeve, which relates to the technical field of shaft sleeves and comprises a main body device, wherein the main body device comprises a sleeve body, the sleeve body is a hollow cylinder, the inner cavity surface of the sleeve body is polished, the roughness is 0.5mm, two groups of flat keys are uniformly arranged on the inner cavity surface of the sleeve body, the length of the flat keys is consistent with that of the sleeve body, one side of the outer surface of the sleeve body is provided with a first step, one side of the first step is provided with a second step, the outer surface of the main body device is provided with a supporting device, the flat keys are arranged on the inner cavity surface of the sleeve body and are two groups, the mass center and the mass center are the same when in work, the service life is prolonged, the flat keys can be more conveniently disassembled and installed, the first base and the second base are arranged, gears or belt pulleys with different specification sizes can be fixed on the first base and the second base, can meet the requirements of different workplaces.

Description

Output shaft sleeve

Technical Field

The utility model relates to an axle sleeve technical field especially relates to an output axle sleeve.

Background

The shaft sleeve is a cylindrical mechanical part sleeved on the rotating shaft and is a component of a sliding bearing, generally, the shaft sleeve and the bearing seat are in interference fit, the shaft sleeve in clearance fit with the shaft is a sleeve on a propeller shaft or a stern shaft, a bearing (called as shaft bearing in Japan) is a component for fixing and reducing the load friction coefficient in the mechanical transmission process, the shaft sleeve and the bearing are the same in that the shaft sleeve and the bearing bear the load of the shaft, the difference between the shaft sleeve and the bearing is that the shaft sleeve is of an integral structure and moves relatively between the shaft and the shaft sleeve when rotating, the bearing is of a split type and moves relatively between an inner ring and an outer ring of the bearing when rotating, but the shaft sleeve is actually one of the sliding bearing.

In recent years, with the development of national industry, the output shaft sleeve is more and more applied, but the existing output shaft sleeve is inconvenient to detach and mount and is applicable to more singleness.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an output shaft sleeve.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an output shaft sleeve, includes the main part device, the main part device is including the cover body, the cover body is hollow cylinder, just the inner chamber surface of the cover body is through polishing treatment, and the roughness is 0.5mm, the inner chamber surface of the cover body evenly is equipped with two sets of parallel keys, just the length of parallel key is unanimous with the cover body, first step is installed to the surface one side of the cover body, the second step is installed to one side of first step, the outside surface mounting of main part device has strutting arrangement, transmission is installed to surface one side of main part device.

Preferably, the support device comprises a bearing, a bearing cover is arranged on the top surface of the bearing, a bearing base is arranged on the bottom surface of the bearing, a screw is fixed on one side of the top surface of the bearing cover, and the bottom of the screw is in threaded connection with the bearing base.

Preferably, the transmission device comprises a first base, a first gear is fixed on the outer surface of the first base, a second base is arranged on one side of the first base, a second gear is fixed on the outer surface of the second base, and the first base and the second base are both fixed on the sleeve body.

Preferably, a chamfer is arranged between the first step and the second step, and the radius of the chamfer is 2 mm.

Preferably, the flat key is a cuboid, and has a length of 500mm, a width of 5mm and a height of 4 mm.

Preferably, the screw is a trapezoidal thread, and the surfaces of the screw, the first gear and the second gear are all treated by shot blasting.

Advantageous effects

1. The utility model discloses in, set up the parallel key, the parallel key setting is on the inner chamber surface of the cover body, and is two sets of, can guarantee that during operation barycenter and focus are the same, increase of service life, and the setting of parallel key can make dismantlement and installation more convenient moreover.

2. The utility model discloses in, set up first base and second base, first base and second base can fix different specification and dimension's gear or belt pulley, can adapt to different workplaces' demand.

Drawings

Fig. 1 is a schematic structural view of an output shaft sleeve according to the present invention;

fig. 2 is a front view of an output shaft sleeve according to the present invention;

fig. 3 is a top view of an output shaft sleeve according to the present invention;

fig. 4 is a right side view of an output shaft sleeve according to the present invention.

Illustration of the drawings:

1. a main body device; 11. a sleeve body; 12. a flat bond; 13. a first step; 14. a second step; 15. chamfering; 2. A support device; 21. a bearing; 22. a bearing cap; 23. A bearing mount; 24. a screw; 3. a transmission device; 31. a first base; 32. a first gear; 33. a second base; 34. a second gear.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Referring to fig. 1-4, an output shaft sleeve comprises a main body device 1, the main body device 1 comprises a sleeve body 11, the sleeve body 11 is a hollow cylinder, the surface of the inner cavity of the sleeve body 11 is polished and has a roughness of 0.5mm, two groups of flat keys 12 are uniformly arranged on the surface of the inner cavity of the sleeve body 11, the length of each flat key 12 is consistent with that of the sleeve body 11, a first step 13 is arranged on one side of the outer surface of the sleeve body 11, a second step 14 is arranged on one side of the first step 13, a chamfer 15 is arranged between the first step 13 and the second step 14, the radius of the chamfer 15 is 2mm, the flat key 12 is a cuboid, the length is 500mm, the width is 5mm, the height is 4mm, the sleeve body 11 and the flat keys 12 on the surface of the inner cavity of the sleeve body 11 are integrally cut, the integrally cut flat keys 12 can have longer service life, better transmission can be maintained, the chamfer 15 is adopted between the first, the chamfer 15 can avoid stress concentration of a contact point, so that the service life can be longer, the polishing treatment on the surface of the inner cavity of the sleeve body 11 can ensure that the friction is smaller, the supporting device 2 is arranged on the outer surface of the main body device 1, the supporting device 2 comprises a bearing 21, a bearing cover 22 is arranged on the top surface of the bearing 21, a bearing base 23 is arranged on the bottom surface of the bearing 21, a screw 24 is fixed on one side of the top surface of the bearing cover 22, the bottom thread of the screw 24 is connected to the bearing base 23, the screw 24 is a trapezoidal thread, the surfaces of the screw 24, the first gear 32 and the second gear 34 are all subjected to shot blasting treatment, after the surface shot blasting treatment of the screw 24, the first gear 32 and the second gear 34, the fatigue fracture resistance can be improved, the fatigue failure is prevented, the plastic deformation and the brittle fracture are improved, the trapezoidal thread can ensure that the fixation is more stable, the transmission device, the transmission device 3 comprises a first base 31, a first gear 32 is fixed on the outer surface of the first base 31, a second base 33 is arranged on one side of the first base 31, a second gear 34 is fixed on the outer surface of the second base 33, the first base 31 and the second base 33 are both fixed on the sleeve body 11, and gears or belt pulleys with different specifications and sizes can be fixed on the surfaces of the first base 31 and the second base 33, so that the requirements of different workplaces can be met.

The utility model discloses a theory of operation: before use, the gear or the belt pulley with required specification is fixed on the first base 31 or the second base 33, then the sleeve body 11 is sleeved on the rotating shaft, the flat key 12 is aligned with the notch on the rotating shaft, at the moment, the sleeve body 11 and the rotating shaft are fixed, then fixing the bearing base 23 at a required position, fixing the bearing 21 by the bearing base 23 and the bearing cover 22 through screws 24, fixing the inner surface of the bearing 21 on the outer surface of the sleeve body 11, through the transmission of bearing 21, enable frictional force to reduce, the driven efficiency has been improved, the pivot is through the cooperation of parallel key 12, enable cover body 11 and rotate, cover body 11 rotates and to be driven first base 31 and second base 33 and rotate, the rotation of first base 31 and second base 33 can make first gear 32 and the second gear 34 of fixing on its surface rotate, first gear 32 and second gear 34 rotate after, the rethread gear cooperation makes the gear of drive disk assembly rotate.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An output shaft sleeve comprises a main body device (1), and is characterized in that: main part device (1) is including the cover body (11), the cover body (11) is hollow cylinder, just the inner chamber surface of the cover body (11) is through polishing treatment, and the roughness is 0.5mm, the inner chamber surface of the cover body (11) evenly is equipped with two sets of parallel keys (12), just the length of parallel keys (12) is unanimous with the cover body (11), first step (13) are installed to the surface one side of the cover body (11), second step (14) are installed to one side of first step (13), the outside surface mounting of main part device (1) has strutting arrangement (2), transmission (3) are installed to surface one side of main part device (1).

2. An output shaft sleeve according to claim 1, wherein: the supporting device (2) comprises a bearing (21), a bearing cover (22) is arranged on the top surface of the bearing (21), a bearing base (23) is arranged on the bottom surface of the bearing (21), a screw (24) is fixed on one side of the top surface of the bearing cover (22), and the bottom of the screw (24) is in threaded connection with the bearing base (23).

3. An output shaft sleeve according to claim 1, wherein: the transmission device (3) comprises a first base (31), a first gear (32) is fixed on the outer surface of the first base (31), a second base (33) is arranged on one side of the first base (31), a second gear (34) is fixed on the outer surface of the second base (33), and the first base (31) and the second base (33) are both fixed on the sleeve body (11).

4. An output shaft sleeve according to claim 1, wherein: a chamfer (15) is arranged between the first step (13) and the second step (14), and the radius of the chamfer (15) is 2 mm.

5. An output shaft sleeve according to claim 1, wherein: the flat key (12) is a cuboid, the length of the flat key is 500mm, the width of the flat key is 5mm, and the height of the flat key is 4 mm.

6. An output shaft sleeve according to claim 2, wherein: the screw (24) is a trapezoidal thread, and the surfaces of the screw (24), the first gear (32) and the second gear (34) are all processed through shot blasting.