CN217582846U

CN217582846U - Spline shaft beneficial to assembly

Info

Publication number: CN217582846U
Application number: CN202221535683.7U
Authority: CN
Inventors: 胡建洋
Original assignee: Zhejiang Boying Machinery Co ltd
Current assignee: Zhejiang Boying Machinery Co ltd
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2022-10-14
Anticipated expiration: 2032-06-16

Abstract

The utility model discloses a do benefit to integral key shaft that assembly was used relates to mechanical transmission spare part technical field. Including the axis body, be equipped with the external splines on the axis body, and the both sides of external splines are equipped with the oblique conical surface, and the both ends of external splines are equipped with the annular, and have the split ring through the annular joint, and the both ends of axis body are equipped with the connection spindle nose, and are equipped with the internal spline in the connection spindle nose of one end. This spline shaft that does benefit to assembly and use, the beveled conical surface of spline both sides mainly plays the installation direction and reduces the effect of installation resistance, the butt joint of spline shaft sleeve and spline shaft has been made things convenient for, the assembly is easy, and after spline shaft sleeve and spline shaft assembly target in place, it is spacing to utilize split ring to carry out spline shaft sleeve, it is fixed, compare in spacing through instrument locking nut, the installation is convenient fast, it is less to consume strength, do not produce torsion when the installation is fixed, can avoid causing the damage to spline shaft, utilize the through-hole cooperation bolt of spindle nose simultaneously, can further ensure the connectivity with drive arrangement.

Description

Spline shaft beneficial to assembly

Technical Field

The utility model relates to a mechanical transmission spare part technical field specifically is a spline shaft that does benefit to assembly and use.

Background

The spline shaft is a mechanical transmission type, has the same action as a flat key, a semicircular key and a wedge key, and is used for transmitting mechanical torque, a longitudinal key groove is formed in the outer surface of the shaft, a rotating part sleeved on the shaft is also provided with a corresponding key groove, the rotating part can keep synchronous rotation with the shaft, the spline shaft is divided into a rectangular spline shaft and an involute spline shaft, the rectangular spline shaft in the spline shaft is widely applied, and the involute spline shaft is used for connection with larger load, high centering precision requirement and larger size.

When the existing spline shaft is used, the spline shaft is usually limited and fixed through a fixing cap after being assembled and meshed with the spline shaft sleeve, the spline shaft needs to be locked through tools, the operation steps are more complicated, the labor consumption is more, and the acting force can be applied to the spline shaft body to damage the spline shaft body.

SUMMERY OF THE UTILITY MODEL

The utility model provides a do benefit to integral key shaft that assembly was used to solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a do benefit to integral key shaft that assembly was used, includes the axis body, be equipped with the external splines on the axis body, and the both sides of external splines are equipped with the oblique conical surface, the both ends of external splines are equipped with the annular, and have the split ring through the annular joint, the both ends of axis body are equipped with the connection spindle nose, and are equipped with the internal spline in the connection spindle nose of one end, are equipped with the keyway in the connection spindle nose of the other end, the through-hole has been seted up on the connection spindle nose.

Furthermore, an oil injection channel is arranged in the shaft body and communicated with the connecting shaft head.

Furthermore, be equipped with the oiling mouth on the axis body, and oiling mouth link up with oiling passageway mutually, install the stopper on the oiling mouth.

Furthermore, an oil outlet is formed in the outer spline and communicated with the oil filling channel.

Furthermore, the through hole is of an internal thread structure and penetrates through the connecting shaft head from top to bottom.

Furthermore, the inner spline and the outer spline are both of involute type, and the key groove is of flat key type.

Compared with the prior art, the utility model provides a do benefit to integral key shaft that assembly was used possesses following beneficial effect:

this integral key shaft that does benefit to assembly and use, the oblique conical surface of spline both sides mainly plays the installation direction and reduces the effect of installation resistance, the butt joint of spline shaft sleeve and integral key shaft has been made things convenient for, the assembly is easy, and after spline shaft sleeve and integral key shaft assembly target in place, it is spacing to utilize split ring to carry out spline shaft sleeve, it is fixed, compare in spacing through instrument locking nut, it is convenient fast to install, it is less to consume strength, do not produce torsion when the installation is fixed, can avoid causing the damage to spline shaft, utilize the through-hole cooperation bolt of spindle nose simultaneously, can further ensure the connectivity with drive arrangement.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a left side view of the present invention;

fig. 4 is a right side view of the present invention.

In the figure: 1. a shaft body; 2. an external spline; 3. an oblique conical surface; 4. a ring groove; 5. a split washer; 6. connecting a shaft head; 7. an internal spline; 8. a keyway; 9. a through hole; 10. an oil injection channel; 11. an oil filling port; 12. sealing; 13. and an oil outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Please refer to fig. 1-4, the utility model discloses a spline shaft that does benefit to assembly and use, including axis body 1, be equipped with external splines 2 on the axis body 1, and the both sides of external splines 2 are equipped with the beveled conical surface 3, the both ends of external splines 2 are equipped with annular 4, and have split ring 5 through annular 4 joint, the both ends of axis body 1 are equipped with connection spindle nose 6, and are equipped with internal spline 7 in the connection spindle nose 6 of one end, are equipped with keyway 8 in the connection spindle nose 6 of the other end, seted up through-hole 9 on the connection spindle nose 6, the beveled conical surface 3 of spline both sides mainly plays the installation direction and reduces the effect of installation resistance, has made things convenient for the butt joint of spline shaft sleeve and spline shaft, and the assembly is easy, and after spline shaft sleeve and spline shaft are put in place, utilizes split ring 5 to carry out spacing, fixed to spline shaft sleeve, compares in fixing the fixed cap through instrument locking, and the installation is convenient fast, consumes less power, does not produce torsion when the installation is fixed, can avoid causing the damage to spline shaft, utilizes through-hole 9 cooperation bolt of spindle nose simultaneously, can further ensure and drive arrangement's connectivity.

Specifically, an oil injection channel 10 is arranged in the shaft body 1, and the oil injection channel 10 is communicated with the connecting shaft head 6.

In this embodiment, the lubricant injected through the lubricant injection channel 10 is distributed at each connection point of the shaft body 1, thereby avoiding oxidation of metal, resisting severe environment, and protecting and preventing corrosion of the substrate.

Specifically, an oil filling port 11 is arranged on the shaft body 1, the oil filling port 11 is communicated with an oil filling channel 10, and a sealing plug 12 is arranged on the oil filling port 11.

In this embodiment, the plug 12 is removed and the grease is added through the grease inlet 11, so that there may be many tiny holes on the metal surface, and the grease can seal the holes to avoid direct abrasion between the metal surfaces of the connection points.

Specifically, an oil outlet 13 is formed in the outer spline 2, and the oil outlet 13 is communicated with the oil filling channel 10.

In this embodiment, the injected grease can enter the outer surface of the external spline 2 through the oil outlet 13, and the grease can provide good sealing for the spline shaft sleeve and the spline shaft assembled together, thereby avoiding the damage to the environment.

Specifically, the through hole 9 is of an internal thread structure and penetrates through the connecting shaft head 6 from top to bottom.

In the embodiment, the through hole 9 of the shaft head is matched with the bolt, so that the connection between the shaft head and a driving device or other transmission parts can be further ensured.

Specifically, the inner spline 7 and the outer spline 2 are both involute type, and the key groove 8 is flat type.

In the embodiment, the tooth profile is involute, radial force is applied to the teeth during loading, the teeth can play a role in automatic centering, all the teeth are uniformly stressed, the strength is high, the service life is long, and the spline shaft can be connected with a driving device through a flat key or a spline structure.

When using, the oblique conical surface 3 of spline both sides mainly plays the installation direction and reduces the effect of installation resistance, the butt joint of spline shaft sleeve and integral key shaft has been made things convenient for, the assembly is easy, and after spline shaft sleeve and integral key shaft assembly target in place, utilize split ring 5 to carry on spacingly to spline shaft sleeve, it is fixed, compare in spacing through instrument locking nut, it is quick convenient to install, it is less to consume strength, do not produce torsion when the installation is fixed, can avoid causing the damage to spline shaft, utilize the 9 cooperation bolts of through-hole of spindle nose simultaneously, can further ensure the connectivity with drive arrangement.

In conclusion, according to the spline shaft beneficial to assembly and use, the oblique conical surfaces 3 on the two sides of the spline mainly play a role in installation guiding and installation resistance reducing, butt joint of the spline shaft sleeve and the spline shaft is facilitated, assembly is easy, after the spline shaft sleeve and the spline shaft are assembled in place, the spline shaft sleeve is limited and fixed through the split retainer ring 5, compared with limiting through a tool locking fixing cap, installation is rapid and convenient, labor consumption is low, torsion is not generated during installation and fixation, damage to the spline shaft can be avoided, and meanwhile, the through hole 9 of the shaft head is matched with a bolt, so that the connection with a driving device can be further guaranteed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a do benefit to integral key shaft that assembly used, includes axis body (1), its characterized in that: be equipped with external splines (2) on axis body (1), and the both sides of external splines (2) are equipped with oblique conical surface (3), the both ends of external splines (2) are equipped with annular (4), and have split ring (5) through annular (4) joint, the both ends of axis body (1) are equipped with connection spindle nose (6), and are equipped with internal splines (7) in the connection spindle nose (6) of one end, are equipped with keyway (8) in the connection spindle nose (6) of the other end, through-hole (9) have been seted up on connection spindle nose (6).

2. A spline shaft for facilitating use in assembly according to claim 1, wherein: an oil injection channel (10) is arranged in the shaft body (1), and the oil injection channel (10) is communicated with the connecting shaft head (6).

3. A spline shaft for facilitating use in assembly according to claim 2, wherein: be equipped with oiling mouth (11) on axis body (1), and oiling mouth (11) link up with oiling passageway (10) mutually, install stopcock (12) on oiling mouth (11).

4. A spline shaft for facilitating use in assembly according to claim 2, wherein: an oil outlet (13) is formed in the outer spline (2), and the oil outlet (13) is communicated with the oil filling channel (10).

5. Spline shaft for ready-to-assemble use according to claim 1, characterized in that: the through hole (9) is of an internal thread structure and penetrates through the connecting shaft head (6) from top to bottom.

6. Spline shaft for ready-to-assemble use according to claim 1, characterized in that: the inner spline (7) and the outer spline (2) are both of involute type, and the key groove (8) is of flat key type.