CN217152926U

CN217152926U - Spline shaft with good sealing and lubricating properties

Info

Publication number: CN217152926U
Application number: CN202220977849.4U
Authority: CN
Inventors: 王庆虎; 汤胜昌
Original assignee: Yancheng Juyuan Elevator Parts Co ltd
Current assignee: Yancheng Juyuan Elevator Parts Co ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-08-09
Anticipated expiration: 2032-04-26

Abstract

The utility model relates to a spline shaft that sealed and lubricating property is good, including the axis body, be provided with the spline section on the axis body, the oiling groove has been seted up in the left side of spline section, set up in the spline section with the oiling groove right side intercommunication lead oily subassembly, the inner chamber joint of oiling groove has and leads oily subassembly swing joint's seal assembly, lead oily subassembly include with the inlet port of oiling groove right side intercommunication. This spline shaft that sealed and lubricating property is good, during the use, install the spline section on spline housing and the axis body, take out the seal assembly in the oiling groove, it is sealed to lead the oil subassembly through seal assembly after leading oil subassembly injection lubricating oil, when integral rotation of spline shaft, under the effect of centrifugal force, lubricating oil is in the junction of the even inflow spline housing and spline section under the effect of guide's subassembly, the purpose that spline shaft lubricating property is good has been realized, and service life is prolonged, sealing property is better simultaneously, lubricating oil is difficult for splashing away.

Description

Spline shaft with good sealing and lubricating properties

Technical Field

The utility model relates to a integral key shaft technical field specifically is a spline shaft that sealing and lubricating property are good.

Background

The spline shaft is a mechanical transmission type, has the same function as a flat key, a semicircular key and an inclined 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 rotating synchronously with the shaft, and some spline shafts can longitudinally slide while rotating, such as a gear shifting gear of a gearbox.

In the traditional spline transmission, a lubricating structure is not arranged between the spline shaft and the spline sleeve, and the spline shaft and the spline sleeve are in friction and collision in the process of transmitting mechanical torque, so that the spline shaft is easily damaged, the service life is reduced, and the problem is solved by providing the spline shaft with good sealing and lubricating properties.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a spline shaft that sealed and lubricating property is good possesses advantages such as lubricating property is good, has solved in traditional spline transmission, does not have lubricating structure between spline shaft and the spline housing, and at the in-process of transmission machinery moment of torsion, both can produce the friction and collide with, lead to the spline shaft very easily to damage, the problem that life reduces.

In order to achieve the above object, the utility model provides a following technical scheme: a spline shaft with good sealing and lubricating performance comprises a shaft body, wherein a spline section is arranged on the shaft body, an oil injection groove is formed in the left side of the spline section, an oil guide assembly communicated with the right side of the oil injection groove is formed in the spline section, and a sealing assembly movably connected with the oil guide assembly is clamped in an inner cavity of the oil injection groove;

lead oily subassembly include with the inlet port of oiling groove right side intercommunication, the right side intercommunication of inlet port has the inside oil groove of leading of locating the spline section, it has a plurality of oil outlets that run through to the spline section outside to lead the intercommunication on the oil groove.

Further, lead the oil groove and be the annular, it is a plurality of the oil outlet is annular equidistance and distributes on leading the oil groove.

Further, seal assembly includes and leads oil groove inner chamber sliding connection's sealed piece, the left side fixedly connected with handle of sealed piece, the mounting groove has all been seted up, two to the top and the bottom of sealed piece the equal fixedly connected with spring of inner chamber wall on one side of the mounting groove back to the back, two the equal fixedly connected with in one side that the spring back to the back runs through to the mounting groove outside and with the joint pole of oiling groove joint.

Further, the right side fixedly connected with of sealed piece is sealed to fill up, sealed piece is through sealed the right side in close contact with of filling tank inner chamber that fills up.

Furthermore, two one side that the joint pole carried on the back mutually is hemispherical, the draw-in groove with joint pole looks adaptation is all seted up to the top and the bottom of oiling groove inner chamber.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this spline shaft that sealed and lubricating property is good, during the use, install the spline section on spline housing and the axis body, take out the seal assembly in the oiling groove, it is sealed to lead the oil subassembly through seal assembly after leading oil subassembly injection lubricating oil, when integral rotation of spline shaft, under the effect of centrifugal force, lubricating oil is in the junction of the even inflow spline housing and spline section under the effect of guide's subassembly, the purpose that spline shaft lubricating property is good has been realized, and service life is prolonged, sealing property is better simultaneously, lubricating oil is difficult for splashing away.

Drawings

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

fig. 2 is a left side view of the oil guide assembly of the present invention;

FIG. 3 is an enlarged view of the portion A of FIG. 1 according to the present invention;

fig. 4 is a schematic structural diagram of the sealing assembly of the present invention.

In the figure: the device comprises a shaft body 1, a spline section 2, an oil injection groove 3, an oil guide component 4, an oil inlet hole 41, an oil guide groove 42, an oil outlet hole 43, a sealing component 5, a sealing block 51, a sealing gasket 511, a handle 52, a mounting groove 53, a spring 54 and a clamping rod 55.

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 work belong to the protection scope of the present invention.

Referring to fig. 1 and 2, the spline shaft with good sealing and lubricating performance in the present embodiment includes a shaft body 1, a spline section 2 is disposed on the shaft body 1, an oil filling groove 3 is disposed on the left side of the spline section 2, an oil guiding component 4 communicated with the right side of the oil filling groove 3 is disposed on the spline section 2, and a sealing component 5 movably connected with the oil guiding component 4 is clamped in an inner cavity of the oil filling groove 3.

Lead oil component 4 and include the inlet port 41 with the intercommunication on oiling groove 3 right side, the right side intercommunication of inlet port 41 has the oil groove 42 of leading of seting up in spline section 2 inside, leads the intercommunication on the oil groove 42 and has a plurality of oil outlet 43 that run through to the spline section 2 outside, leads oil groove 42 and is the annular, and a plurality of oil outlet 43 are annular equidistance and distribute on leading oil groove 42.

In this embodiment, with lubricating oil from inlet port 41 back of pouring into guide's groove 42, overall structure during the rotation, under the effect of centrifugal force, from the surface of each oil outlet 43 flow direction spline section 2, distribute through a plurality of oil outlet 43's annular equidistance for lubricating oil's distribution is more even, guarantees lubricated effect.

Referring to fig. 1, 3 and 4, the sealing assembly 5 of the present embodiment includes a sealing block 51 slidably connected to the inner cavity of the oil guiding groove 42, a sealing gasket 511 is fixedly connected to a right side of the sealing block 51, the sealing block 51 is in close contact with a right side of the inner cavity of the oil filling tank 3 through the sealing gasket 511, the sealing gasket 511 seals a left side of the oil inlet 41, make lubricating oil be difficult for flowing out oiling groove 3, reduce extravagantly, sealed pad 511 should select for use the mat that can not be corroded by lubricating oil, sealed piece 51's left side fixedly connected with handle 52, the setting up of handle 52 makes sealed piece 51's installation all more convenient with taking out, mounting groove 53 has all been seted up to sealed piece 51's top and bottom, the equal fixedly connected with spring 54 of inner chamber wall of two mounting groove 53 back of the body one side of the body mutually, the equal fixedly connected with in one side that two springs 54 back of the body mutually runs through to the mounting groove 53 outside and with the joint pole 55 of 3 joints in oiling groove.

It should be noted that, one side that two joint poles 55 carried on the back mutually is hemispherical, and the draw-in groove with 55 looks adaptations of joint pole is all seted up to the top and the bottom of the inner chamber of oiling groove 3, joint pole 55's shape for when integral rotation of integral key shaft, seal block 51 can keep with oiling groove 3's relatively fixed, and when taking out and installing, extrusion joint pole 55 that the draw-in groove can be smooth, and then make spring 54 compressed.

The working principle of the above embodiment is as follows:

when the integral structure rotates, under the action of centrifugal force, lubricating oil flows uniformly to the connecting position of the spline sleeve and the spline section 2 through the oil guide groove 42 and the oil outlet 43, a good lubricating effect is achieved, and the purpose of good lubricating performance of the spline shaft is achieved, the service life is prolonged.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 spline shaft that sealed and lubricating property is good, includes axis body (1), its characterized in that: the shaft body (1) is provided with a spline section (2), the left side of the spline section (2) is provided with an oil injection groove (3), the spline section (2) is provided with an oil guide assembly (4) communicated with the right side of the oil injection groove (3), and the inner cavity of the oil injection groove (3) is clamped with a sealing assembly (5) movably connected with the oil guide assembly (4);

lead oily subassembly (4) including with inlet port (41) of oiling groove (3) right side intercommunication, the right side intercommunication of inlet port (41) has and sets up in leading inside oil groove (42) of spline section (2), it has a plurality of oil outlet (43) that run through to the spline section (2) outside to lead intercommunication on oil groove (42).

2. The spline shaft according to claim 1, having good sealing and lubricating properties, wherein: lead oil groove (42) and be the annular, it is a plurality of oil outlet (43) are annular equidistance and distribute on leading oil groove (42).

3. The spline shaft according to claim 1, having good sealing and lubricating properties, wherein: seal assembly (5) include with lead oil groove (42) inner chamber sliding connection's sealed piece (51), the left side fixedly connected with handle (52) of sealed piece (51), mounting groove (53), two have all been seted up to the top and the bottom of sealed piece (51) the equal fixedly connected with spring (54) of the inner chamber wall of one side that backs on the back of the body of mounting groove (53), two the equal fixedly connected with in one side that spring (54) back on the back of the body runs through to mounting groove (53) outside and with joint pole (55) of oiling groove (3) joint.

4. The spline shaft according to claim 3, wherein the spline shaft has good sealing and lubricating properties, and comprises: the right side fixedly connected with sealed pad (511) of sealed piece (51), sealed piece (51) are through sealed pad (511) and the right side in close contact with of oiling groove (3) inner chamber.

5. The spline shaft according to claim 3, wherein the spline shaft has good sealing and lubricating properties, and comprises: one side that two joint rod (55) carried on the back mutually is hemispherical, the draw-in groove with joint rod (55) looks adaptation is all seted up to the top and the bottom of oiling groove (3) inner chamber.