CN211009624U

CN211009624U - Spline housing capable of effectively preventing axial movement

Info

Publication number: CN211009624U
Application number: CN201921523861.2U
Authority: CN
Inventors: 缪橙凯
Original assignee: Jiangyin Deling Machinery Co ltd
Current assignee: Jiangyin Deling Machinery Co ltd
Priority date: 2019-09-13
Filing date: 2019-09-13
Publication date: 2020-07-14
Anticipated expiration: 2029-09-13

Abstract

The utility model discloses a spline housing capable of effectively preventing axial movement, which comprises a spline housing main body, a round nut and a semi-circular ring cushion block, wherein the spline housing main body, the round nut and the semi-circular ring cushion block form a spline housing, the semi-circular ring cushion block is fixedly arranged on both sides of the spline housing main body, and the round nut is arranged on both ends of the spline housing main body in a threaded manner, the utility model has simple structure, can effectively protect the spline housing main body, and can well play a role of a hoop after the round nut is screwed up with the spline housing main body by arranging the semi-circular ring cushion block on both sides of the spline housing main body, thereby well preventing the spline housing from axial movement on a shaft, prolonging the service life of the spline housing, avoiding the situation that the screw thread of a fixing bolt is damaged due to overlarge torsion when the fixing bolt is screwed up by arranging a protective gasket on the fixing bolt, and prolonging the service life of the fixing, the spline housing is not easy to damage and convenient to combine and use, and the practicability of the spline housing is improved.

Description

Spline housing capable of effectively preventing axial movement

Technical Field

The utility model relates to a spline housing equipment field, in particular to can effectively prevent axial displacement's spline housing.

Background

The spline housing is a part in spline connection, and the spline housing is connected with the spline shaft to form a spline connection structure, has the function of transmitting mechanical torque, keeps synchronously rotating with the shaft, and can longitudinally slide on the shaft.

Present spline housing is when using, and fixed effect is not good for the integral key shaft easily rocks, and inconvenient installation is used, and the spline housing is when transmitting the moment of torsion simultaneously, and the torsion that it bore is limited, will receive the damage when moment surpasss its self limit, does not have safeguard function.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide one kind and can effectively prevent axial displacement's spline housing.

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

the utility model discloses a can prevent axial displacement's spline housing effectively, including spline housing main part, round nut and semicircle ring cushion, spline housing main part, round nut and semicircle ring cushion constitute a spline housing, the equal fixed mounting in spline housing main part both sides has the semicircle ring cushion, the equal threaded mounting in both ends of spline housing main part has the round nut, just the semicircle ring cushion is located between spline housing main part and the round nut, the axle center department fixed mounting of spline housing main part has the integral key shaft.

As a preferred technical scheme of the utility model, the outer surface cover of spline housing main part is equipped with fixed lag, the one end fixed mounting that the integral key shaft was kept away from to fixed lag has the locating plate.

As a preferred technical scheme of the utility model, one of spline housing main part is close to the locating plate is served and has been seted up two locating holes, just set up two bolt grooves corresponding with the locating hole on the fixed protective sheath, the inner chamber threaded connection in bolt groove has fixing bolt.

As a preferred technical scheme of the utility model, fixing bolt surface cover is equipped with the protection gasket, one side and the locating plate of protection gasket contact.

As an optimized technical scheme of the utility model, the surface of fixed lag is provided with the anticorrosion layer, the surface of anticorrosion layer is provided with the wearing layer.

As a preferred technical scheme of the utility model, the thickness of anticorrosive coating is less than the thickness of wearing layer.

The utility model discloses the beneficial effect who reaches is:

1. the utility model discloses simple structure can effectually protect the spline housing main part, through installing the semicircle ring cushion in spline housing main part both sides, the back is screwed up with the spline housing main part to the semicircle ring cushion can play fine clamp effect to can be fine prevent spline housing axial float on the axle, improved the life of spline housing.

2. Through being provided with the protection gasket on fixing bolt, avoided fixing bolt when screwing up, the too big impaired condition of fixing bolt screw thread that leads to of torsion appears, prolonged fixing bolt's life, made the spline housing be difficult to impaired, and make things convenient for the combined use, improved the practicality of spline housing.

3. Can protect the surface of spline housing through the fixed lag that sets up, be provided with anti-corrosion coating and wearing layer through the surface at fixed lag, avoid the fixed lag the condition that the corrosion appears, prolonged the life of fixed lag, thus just can not make spline housing main part skew when the installation clamping screw, thereby lead to the problem of the uneven damage of spline housing atress.

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 schematic structural diagram of the present invention;

FIG. 2 is a schematic structural diagram of the spline housing of the present invention;

fig. 3 is a schematic top view of the positioning plate of the present invention;

fig. 4 is a schematic structural view of the wear-resistant layer and the corrosion-resistant layer of the present invention.

In the figure: 1. a spline housing main body; 2. a round nut; 3. a semi-circular ring cushion block; 4. a spline shaft; 5. fixing a protective sleeve; 6. a wear layer; 7. positioning a plate; 8. a bolt slot; 9. fixing the bolt; 10. a protective pad; 11. and an anti-corrosion layer.

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.

Examples

As shown in fig. 1-4, a spline housing capable of effectively preventing axial movement, includes a spline housing main body 1, a round nut 2 and a half-ring cushion block 3, the spline housing main body 1, the round nut 2 and the half-ring cushion block 3 constitute a spline housing, the half-ring cushion block 3 is fixedly mounted on both sides of the spline housing main body 1, the round nut 2 is threadedly mounted on both ends of the spline housing main body 1, the half-ring cushion block 3 is located between the spline housing main body 1 and the round nut 2, and a spline shaft 4 is fixedly mounted on the axis center of the spline housing main body 1.

The outer surface of the spline housing main body 1 is sleeved with a fixed protective sleeve 5, one end of the fixed protective sleeve 5, which is far away from the spline shaft 4, is fixedly provided with a positioning plate 7, one end of the spline housing main body 1, which is close to the positioning plate 7, is provided with two positioning holes, the fixed protective sleeve 5 is provided with two bolt grooves 8 corresponding to the positioning holes, the inner cavity of each bolt groove 8 is in threaded connection with a fixing bolt 9, the surface of each fixing bolt 9 is sleeved with a protective gasket 10, the situation that the threads of the fixing bolts 9 are damaged due to overlarge torsion when the fixing bolts 9 are screwed is avoided by arranging the protective gaskets 10 on the fixing bolts 9, the service life of the fixing bolts 9 is prolonged, the spline housing is not easy to damage and is convenient to combine and use, the practicability of the spline housing is improved, one side of each protective gasket 10 is in contact with the positioning plate, make fixing bolt 9 with fixed lag 5 and spline housing main part 1 fixed connection, thereby protect 1 surfaces of spline housing main part, play certain guard action, the surface of fixed lag 5 is provided with anti-corrosion coating 11, anti-corrosion coating 11's surface is provided with wearing layer 6, anti-corrosion coating 11's thickness is less than wearing layer 6's thickness, surface through at fixed lag 5 is provided with anti-corrosion coating 11 and wearing layer 6, the condition of corrosion has been avoided fixed lag 5 to appear, the life of fixed lag 5 has been prolonged.

The working principle is as follows: the utility model discloses simple structure, when using, install semicircle ring cushion 3 with spline housing main part 1 both sides earlier, then utilize round nut fixed spline housing main part 1 both ends for spline housing main part 1 with round nut 2 fixed mounting, round nut 2 screws up with spline housing main part 1 after, semicircle ring cushion 3 can play fine clamp effect, thereby can be fine prevent spline housing axial float on the axle, improved the life of spline housing main part 1, just so can not make spline housing main part 1 skew when installing fixing bolt 9, lead to the problem of spline housing atress inequality and thus damage; the spline housing main body 1 can be effectively protected, after the two ends of the spline housing main body 1 are fixed, a user puts the spline housing main body 1 into the inner cavity of the fixed protective sleeve 5, so that the positioning hole at one end of the spline housing main body 1 is aligned with the bolt groove 8 on the fixed protective sleeve 5, the user inserts the fixing bolt 9 to align with the threaded hole on the positioning plate 7 and screws up the threaded hole, so that the fixed protective sleeve 5 is fixedly connected with the spline housing main body 1 by the fixing bolt 9, thereby protecting the outer surface of the spline housing main body 1 to play a certain protection role, meanwhile, the situation that the thread of the fixing bolt 9 is damaged due to overlarge torsion when the fixing bolt 9 is screwed up is avoided by arranging the protective gasket 10 on the fixing bolt 9, the service life of the fixing bolt 9 is prolonged, the spline housing is not easy to damage, the combined use is convenient, the practicability of the spline housing is improved, the outer surface of the spline housing can be protected by the arranged fixed protective sleeve 5, the outer surface of the fixed protecting sleeve 5 is provided with the anti-corrosion layer 11 and the wear-resistant layer 6, so that the fixed protecting sleeve 5 is prevented from being corroded, and the service life of the fixed protecting sleeve 5 is prolonged.

Finally, it should be noted that: 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 utility model provides a can prevent axial displacement's spline housing, its characterized in that, including spline housing main part (1), round nut (2) and semicircle ring cushion (3), spline housing main part (1), round nut (2) and semicircle ring cushion (3) constitute a spline housing, the equal fixed mounting in spline housing main part (1) both sides has semicircle ring cushion (3), round nut (2) are installed to the equal screw thread in both ends of spline housing main part (1), just semicircle ring cushion (3) are located between spline housing main part (1) and round nut (2), the axle center department fixed mounting of spline housing main part (1) has integral key shaft (4).

2. The spline sleeve capable of effectively preventing axial movement according to claim 1, wherein a fixing protective sleeve (5) is sleeved on the outer surface of the spline sleeve main body (1), and a positioning plate (7) is fixedly installed at one end, far away from the spline shaft (4), of the fixing protective sleeve (5).

3. The spline housing capable of effectively preventing axial movement according to claim 2, wherein the spline housing body (1) has two positioning holes formed at one end thereof adjacent to the positioning plate (7), and the fixing protective sleeve (5) has two bolt slots (8) formed therein corresponding to the positioning holes, and the inner cavity of each bolt slot (8) is threadedly connected with a fixing bolt (9).

4. A spline housing capable of effectively preventing axial movement according to claim 3, characterized in that the surface of the fixing bolt (9) is sleeved with a protective gasket (10), and one side of the protective gasket (10) is in contact with the positioning plate (7).

5. Spline housing effective against axial movement according to claim 2, characterised in that the outer surface of the stationary protection sleeve (5) is provided with a corrosion protection layer (11), the outer surface of the corrosion protection layer (11) being provided with a wear layer (6).

6. A spline housing effective against axial movement according to claim 5, characterised in that the thickness of the corrosion protection layer (11) is less than the thickness of the wear layer (6).