CN216430460U

CN216430460U - Sealing device for output shaft of speed reducer

Info

Publication number: CN216430460U
Application number: CN202122726394.7U
Authority: CN
Inventors: 叶增明
Original assignee: Changzhou Maikawei Machinery Manufacturing Co ltd
Current assignee: Changzhou Maikawei Machinery Manufacturing Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-05-03
Anticipated expiration: 2031-11-09

Abstract

The utility model discloses a sealing device for speed reducer output shaft, including the output shaft, output shaft end face symmetry is equipped with the connecting axle, and the output shaft is established with connecting axle junction cover and is installed the axle sleeve, and the axle sleeve comprises activity cover shell and fixed cover shell, and activity cover shell and fixed cover shell outer wall terminal surface are equipped with screw thread pipe box and nut, and activity cover shell and fixed cover shell outer wall symmetry are sunken to be equipped with fixed slot and U type groove. This kind of a sealing device for speed reducer output shaft, sealing connection between not only the guarantee output shaft and the connecting axle, also make things convenient for preliminary block between output shaft and the connecting axle to inserting the chucking, the follow-up subassembly fastening installation of being convenient for, directly constitute assembly and disassembly tools through the subassembly, make things convenient for the axis body quick assembly disassembly to overhaul, raise the efficiency, time saving and labor saving, not only be used for locking fixed billet isotructure, also avoid the device directly to bear the outer wall collision, reduce the loss, simple structure is reasonable, high durability and convenient use, the current problem has effectively been solved, and has higher practical value.

Description

Sealing device for output shaft of speed reducer

Technical Field

The utility model relates to a speed reducer technical field specifically is a sealing device for speed reducer output shaft.

Background

At present, the box of the existing speed reducer is filled with engine oil for reducing friction between rotating parts, in order to prevent the engine oil from leaking outwards along an output shaft, a sealing part such as a sealing sleeve and a sealing ring is arranged between the box and the output shaft, the sealing part is abraded when the output shaft rotates, the sealing performance is reduced, related components need to be replaced at regular time, most of the outer walls of the existing components are fixed by bolts and are in an annular array, the number is large, and the assembly and disassembly are inconvenient. Therefore, the sealing device for the output shaft of the speed reducer is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a sealing device for speed reducer output shaft, including the output shaft, output shaft end face symmetry is equipped with the connecting axle, the output shaft is established with the connecting axle junction cover and is installed the axle sleeve, the axle sleeve comprises activity cover shell and fixed cover shell, activity cover shell and fixed cover shell outer wall terminal surface are equipped with screw-thread tube box and nut, activity cover shell and the sunken fixed slot and the U type groove of being equipped with of fixed cover shell outer wall symmetry, U type inslot has the connecting piece, and the connecting piece both ends are equipped with fixed billet and screw rod respectively, fixed billet one end surface is equipped with spout, spring pad and fixed thread slipping, activity cover shell and fixed cover shell inner wall terminal surface are equipped with the seal groove and seal the projection is established, the sleeve outer wall cover is established and is installed the sleeve.

As a preferred technical scheme of the utility model, activity cover shell and the sunken circular recess that is equipped with of fixed cover shell inner wall, and output shaft and connecting axle one end run through to be installed in the circular recess, screw thread pipe box fixed mounting is at activity cover shell and fixed cover shell outer wall terminal surface opening part, and nut and screw thread pipe box outer wall threaded connection.

As a preferred technical scheme of the utility model, sealed projection terminal surface is equipped with the rectangle recess, and all inlays on sealed projection surface and the seal groove inner wall and is equipped with multiunit joint strip, sealed projection agrees with the installation with seal groove symmetrical array, and sealed projection is the ring form with the seal groove and is equipped with four groups.

As a preferred technical scheme of the utility model, the fixed slot is sunken to be installed at axle sleeve surface lateral wall, and the fixed slot is equipped with four group's array installations, U type groove symmetry is installed at the fixed slot both ends, and U type groove is located axle sleeve outer wall terminal surface edge, U type groove terminal surface is equipped with round hole, hexagon groove and draw-in groove, draw-in groove and hexagon groove only establish on fixed cover shell terminal surface U type groove.

As a preferred technical scheme of the utility model, screw rod one end is equipped with the adaptation nut, and the nut is connected with hexagon recess block on the screw rod, the screw rod runs through to be installed in the round hole, both ends all are equipped with the rotation axis about the connecting piece, and the connecting piece passes through the rotation axis and connects screw rod and fixed billet respectively.

As the utility model discloses a preferred technical scheme, fixed thread slipping one end is equipped with the rectangle slider, and the slider passes through spout and fixed billet sliding connection, spout symmetry is sunken to be installed at fixed billet lateral wall, fixed thread slipping other end is equipped with the buckle and is connected with the draw-in groove block, the spring pad is fixed to be inlayed and to be established and install on fixed billet diapire, and the spring pad is close to fixed thread slipping one side.

As a preferred technical scheme of the utility model, the sleeve is made by the metal material, and sleeve surface spraying has the protection to spray paint, the slider is installed to the symmetry on the sleeve inner wall, slider and fixed slot roof sliding connection.

The utility model has the advantages that:

1. the sealing device for the output shaft of the speed reducer is symmetrically clamped and connected with the sealing convex columns through the plurality of groups of sealing grooves, so that a component at the joint of the output shaft and the connecting shaft is in a plurality of groups of annular sealing structures, the sealing connection between the output shaft and the connecting shaft is ensured, the output shaft and the connecting shaft are convenient to preliminarily clamp, oppositely insert and clamp, and the subsequent components are convenient to fasten and install;

2. according to the sealing device for the output shaft of the speed reducer, the screw, the nut, the connecting piece, the fixed steel bar and the fixed sliding buckle work together, so that the movable casing and the fixed casing can be conveniently and quickly locked and fixed, the fixed sliding buckle, the fixed steel bar and the connecting piece assist the screw to rotate the fastening shaft sleeve, and the assembly and disassembly tool is directly formed through the assembly, so that the shaft body can be conveniently and quickly assembled, disassembled and maintained, the efficiency is improved, and the time and the labor are saved;

3. this kind of a sealing device for speed reducer output shaft installs at the axle sleeve outer wall through sleeve slip block, and then increases one deck protective structure for the device outer wall, not only is used for locking fixed billet isotructure, also avoids the device directly to bear the outer wall collision, reduces the loss, and simple structure is reasonable, and convenient to use has effectively solved current problem, has higher practical value.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a perspective view of a sealing device for an output shaft of a speed reducer according to the present invention;

fig. 2 is a cross-sectional view of a sealing device for an output shaft of a speed reducer according to the present invention;

fig. 3 is a structural view of an end face of a movable casing of a sealing device for an output shaft of a speed reducer according to the present invention;

fig. 4 is a fixing steel bar partially enlarged view of a sealing device for an output shaft of a speed reducer.

In the figure: 1. an output shaft; 2. a connecting shaft; 3. a shaft sleeve; 4. a movable casing; 5. fixing the casing; 6. fixing grooves; 7. a U-shaped groove; 8. a nut; 9. a sealing groove; 10. a threaded pipe sleeve; 11. a connecting member; 12. fixing the steel bar; 13. a screw; 14. sealing the convex column; 15. a slider; 16. a card slot; 17. a sleeve; 18. a chute; 19. a spring pad; 20. and (4) fixing the slide fastener.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-4, the utility model relates to a sealing device for speed reducer output shaft, including

output shaft

1, 1 terminal surface symmetry of output shaft is equipped with connecting axle 2, output shaft 1 establishes with 2 junction covers of connecting axle and installs axle sleeve 3, axle sleeve 3 comprises movable cover shell 4 and fixed cover shell 5, movable cover shell 4 is equipped with threaded sleeve pipe box 10 and nut 8 with 5 outer wall terminal surfaces of fixed cover shell, the outer wall symmetry of movable cover shell 4 and fixed cover shell 5 is sunken to be equipped with fixed slot 6 and

U type groove

7, 7 internally mounted in U type groove has connecting piece 11, and the connecting piece 11 both ends are equipped with fixed billet 12 and screw rod 13 respectively, 12 one end surfaces of fixed billet are equipped with spout 18, spring pad 19 and fixed thread slipping 20, the inner wall terminal surface of movable cover shell 4 and fixed cover shell 5 is equipped with seal groove 9 and sealed

projection

14, 3 outer wall covers of axle sleeve are established and are installed sleeve 17.

Wherein, the sunken circular recess that is equipped with of 5 inner walls of activity cover shell 4 and fixed cover shell, and 2 one ends of output shaft 1 and connecting axle run through and install in the circular recess, and screw pipe box 10 fixed mounting is at the opening part of the 5 outer wall terminal surfaces of activity cover shell 4 and fixed cover shell, and nut 8 and the threaded connection of the 10 outer walls of screw pipe box, 3 subassembly connection structure of axle sleeve.

Wherein, the end face of the sealing convex column 14 is provided with a rectangular groove, a plurality of groups of sealing rubber strips are embedded on the surface of the sealing convex column 14 and the inner wall of the sealing groove 9, the sealing convex column 14 is installed in a matching way with the sealing groove 9 in a symmetrical array, and the sealing convex column 14 and the sealing groove 9 are annularly provided with four groups of multiple sealing structures.

Wherein, 6 sunken installations in axle sleeve 3 surface lateral walls of fixed slot 6, and fixed slot 6 is equipped with four group's array installations, and 7 symmetrical installations in U type groove are at 6 both ends of fixed slot, and U type groove 7 is located 3 outer wall terminal surface edges of axle sleeve, and 7 terminal surfaces in U type groove are equipped with round hole, hexagon groove and draw-in groove 16, and draw-in groove 16 and hexagon groove only establish on 5 terminal surface U type grooves 7 of fixed cover shell for supplementary fixed billet 12 installation.

Wherein, 13 one ends of screw rod are equipped with adaptation nut 8, and screw rod 13 goes up nut 8 and is connected with hexagon groove block, and screw rod 13 runs through to be installed in the round hole, and both ends all are equipped with the rotation axis about connecting piece 11, and connecting piece 11 passes through the rotation axis and connects screw rod 13 respectively and fixed billet 12 for the locking axle sleeve.

Wherein, fixed slipknot 20 one end is equipped with the rectangle slider, and the slider passes through spout 18 and fixed billet 12 sliding connection, and 18 symmetry recesses of spout are installed at fixed billet 12 lateral walls, and the other end of fixed slipknot 20 is equipped with the buckle and is connected with draw-in groove 16 block, and spring pad 19 is fixed to be inlayed and establishes and install on fixed billet 12 diapire, and spring pad 19 is close to fixed slipknot 20 one side for supplementary fixed billet 12 installation.

Wherein, sleeve 17 is made by metal material, and sleeve 17 surface spraying has the protection to spray paint, and slider 15 is installed to the symmetry on the sleeve 17 inner wall, slider 15 and fixed slot 6 roof sliding connection for outside protection overall device.

The working principle is as follows: the components at the joint of the output shaft 1 and the connecting shaft 2 are in a multi-group annular sealing structure by symmetrically clamping and connecting a plurality of groups of sealing grooves 9 and sealing convex columns 14, so that the sealing connection between the output shaft 1 and the connecting shaft 2 is ensured, the output shaft 1 and the connecting shaft 2 are convenient to preliminarily clamp, oppositely insert and clamp, and the subsequent components are convenient to fasten and install; the movable sleeve shell 4 and the fixed sleeve shell 5 are conveniently and quickly locked and fixed by the aid of the screw 13, the screw cap 8, the connecting piece 11, the fixed steel bar 12 and the fixed sliding buckle 20 which work together, the fixed sliding buckle 20, the fixed steel bar 12 and the connecting piece 11 assist the screw 13 to rotatably fasten the shaft sleeve 3, and a dismounting tool is directly formed by the components, so that a shaft body is convenient to dismount and repair quickly, the efficiency is improved, and time and labor are saved; install at 3 outer walls of axle sleeve through sleeve 17 slip block, and then increase one deck protective structure for the device outer wall, not only be used for locking fixed billet 12 isotructure, also avoid the device directly to bear the outer wall collision, reduce the loss, simple structure is reasonable, and convenient to use has effectively solved current problem, has higher practical value.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The sealing device for the output shaft of the speed reducer comprises an output shaft (1) and is characterized in that the end face of the output shaft (1) is symmetrically provided with a connecting shaft (2), a shaft sleeve (3) is sleeved at the joint of the output shaft (1) and the connecting shaft (2), the shaft sleeve (3) consists of a movable sleeve shell (4) and a fixed sleeve shell (5), the end faces of the outer walls of the movable sleeve shell (4) and the fixed sleeve shell (5) are provided with a threaded pipe sleeve (10) and a nut (8), the outer walls of the movable sleeve shell (4) and the fixed sleeve shell (5) are symmetrically recessed to form a fixing groove (6) and a U-shaped groove (7), a connecting piece (11) is arranged inside the U-shaped groove (7), two ends of the connecting piece (11) are respectively provided with a fixed steel bar (12) and a screw (13), one end surface of the fixed steel bar (12) is provided with a sliding chute (18), a spring pad (19) and a fixed sliding buckle (20), the movable sleeve shell (4) and the fixed sleeve shell (5) are provided with sealing grooves (9) and sealing convex columns (14) on the end faces of the inner walls, and a sleeve (17) is sleeved on the outer wall of the shaft sleeve (3).

2. The sealing device for the output shaft of the speed reducer is characterized in that the inner walls of the movable casing (4) and the fixed casing (5) are concavely provided with circular grooves, one end of the output shaft (1) and one end of the connecting shaft (2) are penetratingly arranged in the circular grooves, the threaded pipe sleeve (10) is fixedly arranged at the end face opening of the outer walls of the movable casing (4) and the fixed casing (5), and the nut (8) is in threaded connection with the outer wall of the threaded pipe sleeve (10).

3. The sealing device for the output shaft of the speed reducer as claimed in claim 1, wherein the end face of the sealing convex column (14) is provided with a rectangular groove, a plurality of groups of sealing rubber strips are embedded on the surface of the sealing convex column (14) and the inner wall of the sealing groove (9), the sealing convex columns (14) and the sealing groove (9) are symmetrically arranged in an array fit manner, and four groups of sealing convex columns (14) and the sealing groove (9) are annularly arranged.

4. The sealing device for the output shaft of the speed reducer is characterized in that the fixing grooves (6) are concavely mounted on the side wall of the surface of the shaft sleeve (3), four groups of array mounting are arranged on the fixing grooves (6), the U-shaped grooves (7) are symmetrically mounted at two ends of the fixing grooves (6), the U-shaped grooves (7) are located at the edge of the end face of the outer wall of the shaft sleeve (3), the end faces of the U-shaped grooves (7) are provided with round holes, hexagonal grooves and clamping grooves (16), and the clamping grooves (16) and the hexagonal grooves are only arranged on the U-shaped grooves (7) on the end face of the fixing sleeve shell (5).

5. The sealing device for the output shaft of the speed reducer is characterized in that an adaptive nut (8) is arranged at one end of the screw (13), the nut (8) on the screw (13) is connected with the hexagonal groove in a clamping manner, the screw (13) is installed in the round hole in a penetrating manner, rotating shafts are arranged at the upper end and the lower end of the connecting piece (11), and the connecting piece (11) is respectively connected with the screw (13) and the fixed steel bar (12) through the rotating shafts.

6. The sealing device for the output shaft of the speed reducer according to claim 1, wherein one end of the fixed sliding buckle (20) is provided with a rectangular sliding piece, the sliding piece is slidably connected with the fixed steel bar (12) through a sliding groove (18), the sliding groove (18) is symmetrically and concavely mounted on the side wall of the fixed steel bar (12), the other end of the fixed sliding buckle (20) is provided with a buckle to be connected with the clamping groove (16) in a clamping manner, the spring pad (19) is fixedly embedded and mounted on the bottom wall of the fixed steel bar (12), and the spring pad (19) is close to one side of the fixed sliding buckle (20).

7. The sealing device for the output shaft of the speed reducer is characterized in that the sleeve (17) is made of metal materials, protective paint is sprayed on the surface of the sleeve (17), sliding blocks (15) are symmetrically installed on the inner wall of the sleeve (17), and the sliding blocks (15) are in sliding connection with the top wall of the fixing groove (6).