CN208703088U - A kind of input shaft for high low speed drive - Google Patents

Abstract

The utility model relates to technical field of transmission equipment, and disclose a kind of input shaft for high low speed drive, including telescopic, fuel filler neck is fixedly connected at the top of the telescopic end, the external fixing sleeve of the fuel filler neck bottom end is connected to oil sealing one, and the middle part rotation of the telescopic is socketed with free-sliding spline barrel.This is used for the input shaft of high low speed drive, by making not contact between the outside of built-in pipe and telescopic tube wall, and shoe cream room is surrounded between the outside of built-in pipe and the inner wall of telescopic, shoe cream room is set to carry out temporary work to lubricating oil, make lubricating oil that can evenly and rapidly flow to the external of free-sliding spline barrel through oil outlet simultaneously and carries out normal lubrication work, it prevents from accelerating the raising of the related component surface temperature through oil lubrication such as free-sliding spline barrel because a large amount of lubricating oil flow directly into the outside of free-sliding spline barrel and increase oil temperature under long-term rotation, adverse effect is brought to the normal work of associated component.

Description

A kind of input shaft for high low speed drive

Technical field

The utility model relates to technical field of transmission equipment, specially a kind of input shaft for high low speed drive.

Background technique

For the input shaft of high low speed drive, main function is input power, so that the power of engine be made to input To gearbox.

In the work of input shaft, the lubricating oil for needing to flow is lubricated work, and common lubricating oil is to pass through lubrication Oil nozzle is directly entered the outside of related lubrication assembly, by the work package of rotation, makes lubricating oil flow to reach effective The work of lubrication can often carry out oil sealing due to lubricating oil is excessive long-term because lubricating oil flows directly into the outside of work package Punching press is easy to because of the validity for reducing oil sealing work to reduce the stability of lubricant environment, at the same excessive lubricating oil with Work package moves together, is easy to make the temperature of lubricating oil quickly to increase, so that the lubricating oil because of flowing accelerates related work Component heating.

Utility model content

In view of the deficiencies of the prior art, the utility model provides a kind of input shaft for high low speed drive, tool It is standby to be lubricated enough lubricating oil to associated component, prevent the profit after being rapidly heated while be kept in lubricating oil Lubricating oil accelerates the advantages of heating of related work component, and solving common lubricating oil is to be directly entered phase by Lubricating Oil mouth The outside for closing lubrication assembly makes lubricating oil flow to reach the work of effectively lubricating, because of lubrication by the work package of rotation Oil flows directly into the outside of work package, often can carry out long-term punching press to oil sealing because lubricating oil is excessive, be easy to because reducing The validity of oil sealing work is to reduce the stability of lubricant environment, while excessive lubricating oil is moved together with work package, It is easy to make the temperature of lubricating oil quickly to increase, thus the problem of accelerating the heating of related work component because of the lubricating oil of flowing.

The utility model provides the following technical solutions: a kind of input shaft for high low speed drive, including telescopic, Fuel filler neck is fixedly connected at the top of the telescopic end, the external fixing sleeve of the fuel filler neck bottom end is connected to oil sealing one, institute The middle part rotation for stating telescopic is socketed with free-sliding spline barrel, and the free-sliding spline barrel is far from the external fixed of fuel filler neck one end Oil sealing two is installed, the inner cavity fixing sleeve of the telescopic is connected to built-in pipe.

Preferably, no less than 30 oil outlets are evenly distributed in the middle part of the built-in pipe, and oil outlet is circle, institute It states the outside of built-in pipe not contact between telescopic tube wall, and surrounds shoe cream room between the outside of built-in pipe and the inner wall of telescopic.

Preferably, the outer diameter of the free-sliding spline barrel, the internal-and external diameter of built-in pipe and the internal diameter of telescopic are sequentially increased, and The outside of free-sliding spline barrel is in contact with the inner wall of built-in pipe.

Preferably, the end of the oil sealing two side faces telescopic and end end are fixedly connected with the both ends of built-in pipe respectively, institute The size for stating built-in pipe is adapted with the size of telescopic, the end of connector sleeve and telescopic that the built-in pipe is equipped with by both ends Head is fixedly connected with end end, and the both ends of telescopic and the both ends of built-in pipe are at seal shape.

Preferably, the bottom end and the junction on the outside of telescopic end that the oil sealing one is fixedly attached to fuel filler neck, and oil The bottom end of envelope one is nested in the tube wall of telescopic.

Preferably, the inner cavity phase of the end end of the fuel filler neck is equipped with by telescopic inner wall oil inlet through-hole and telescopic Perforation, the end end of the fuel filler neck are not contacted with built-in pipe, and the end end of fuel filler neck and the inner wall of telescopic end are straight at one On line.

Be compared with the prior art, the utility model have it is following the utility model has the advantages that

1, the input shaft for being used for high low speed drive is not connect between the outside of built-in pipe and telescopic tube wall by making Touching, and shoe cream room is surrounded between the outside of built-in pipe and the inner wall of telescopic, so that shoe cream room is carried out temporary work to lubricating oil, simultaneously Make lubricating oil that can evenly and rapidly flow to the external of free-sliding spline barrel through oil outlet and carry out normal lubrication work, prevents because big Amount lubricating oil flows directly into the outside of free-sliding spline barrel to be increased oil temperature and accelerates free-sliding spline barrel etc. under long-term rotation The raising of component surface temperature of the correlation through oil lubrication brings adverse effect to the normal work of associated component.

2, input shaft for being used for high low speed drive, by making the both ends of built-in pipe and the both ends of telescopic surround phase Pair seal chamber, so that lubricating oil is lubricated work between being effectively guaranteed outside the inner wall and free-sliding spline barrel of built-in pipe The stability to work with lubricating oil proper flow, by keeping the end of fuel filler neck last with the inner wall of telescopic end in straight line On, in the shoe cream room between flowing into the lubricating oil flowed into through fuel filler neck accurately on the outside of the inner wall and built-in pipe of telescopic.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the schematic side view of the utility model structure chart 1；

Fig. 3 is the schematic cross-sectional view of telescopic in the utility model structure.

In figure: 1, telescopic；2, fuel filler neck；3, oil sealing one；4, free-sliding spline barrel；5, oil sealing two；6, built-in pipe.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3, a kind of input shaft for high low speed drive, including telescopic 1 are please referred to, 1 end of telescopic Top is fixedly connected with fuel filler neck 2, the oil inlet through-hole and telescopic 1 that the end end of fuel filler neck 2 is equipped with by 1 inner wall of telescopic Inner cavity connects, and the end end of fuel filler neck 2 is not contacted with built-in pipe 6, and the end end of fuel filler neck 2 and the inner wall of 1 end of telescopic exist On straight line, the lubricating oil flowed into through fuel filler neck 2 is made accurately to flow into the storage between 6 outside of inner wall and built-in pipe of telescopic 1 In oil pocket, the external fixing sleeve of 2 bottom end of fuel filler neck is connected to oil sealing 1, and oil sealing 1 is fixedly attached to the bottom end of fuel filler neck 2 and stretches Junction on the outside of 1 end of contracting set, and the bottom end of oil sealing 1 is nested in the tube wall of telescopic 1, is refueled by one 3 Duis of oil sealing The junction of mouth 2 and telescopic 1 carries out further seal operation, prevents lubricating oil from flowing from the junction of telescopic 1 and fuel filler neck 2 Adverse effect is brought out and to the lubrication work of normal component, the middle part rotation of telescopic 1 is socketed with free-sliding spline barrel 4, sliding Outer diameter, the internal-and external diameter of built-in pipe 6 and the internal diameter of telescopic 1 of dynamic spline barrel 4 are sequentially increased, and free-sliding spline barrel 4 is outer Portion is in contact with the inner wall of built-in pipe 6, so that the lubricating oil flowed out through oil outlet is flowed directly to the external of free-sliding spline barrel 4 and carries out Work is lubricated, free-sliding spline barrel 4 is fixedly installed with oil sealing 25 far from the outside of 2 one end of fuel filler neck, and 25 side of oil sealing is flexible The end and end end of set 1 are fixedly connected with the both ends of built-in pipe 6 respectively, and the size of built-in pipe 6 is mutually fitted with the size of telescopic 1 Match, the connector sleeve that built-in pipe 6 is equipped with by both ends and the end of telescopic 1 and end end are fixedly connected, and the both ends of telescopic 1 with The both ends of built-in pipe 6 are at seal shape, and the both ends of the both ends for making built-in pipe 6 and telescopic 1 surround opposite seal chamber, thus effectively The inner wall that ensure that built-in pipe 6 and the outside of free-sliding spline barrel 4 between lubricating oil be lubricated work and lubricating oil proper flow The stability of work, the inner cavity fixing sleeve of telescopic 1 are connected to built-in pipe 6, and the middle part of built-in pipe 6 is evenly distributed with no less than 30 A oil outlet, and oil outlet be circle, do not contacted between the outside and 1 tube wall of telescopic of built-in pipe 6, and the outside of built-in pipe 6 with Shoe cream room is surrounded between the inner wall of telescopic 1, temporary work is carried out to lubricating oil by shoe cream room, while making lubricating oil can be through fuel-displaced Hole evenly and rapidly flow to the external of free-sliding spline barrel 4 and carries out normal lubrication work, prevents from directly flowing because of a large amount of lubricating oil The outside for entering free-sliding spline barrel 4 increases oil temperature under long-term rotation and accelerates the correlations such as free-sliding spline barrel 4 through lubricating oil The raising of the component surface temperature of lubrication brings adverse effect to the normal work of associated component.

Working principle, firstly, lubricating oil is directed into the oil storage between 6 outside of inner wall and built-in pipe of telescopic 1 through fuel filler neck 2 Intracavitary, then parts of lubricating oil enters the outside of free-sliding spline barrel 4 to free-sliding spline barrel 4 and telescopic 1 through oil outlet Work is lubricated between inner wall.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of input shaft for high low speed drive, including telescopic (1), it is characterised in that: telescopic (1) end The top of head is fixedly connected with fuel filler neck (2), and the external fixing sleeve of fuel filler neck (2) bottom end is connected to oil sealing one (3), described to stretch The middle part rotation of contracting set (1) is socketed with free-sliding spline barrel (4), and the free-sliding spline barrel (4) is far from fuel filler neck (2) one end Outside is fixedly installed with oil sealing two (5), and the inner cavity fixing sleeve of the telescopic (1) is connected to built-in pipe (6).

2. a kind of input shaft for high low speed drive according to claim 1, it is characterised in that: the built-in pipe (6) no less than 30 oil outlets are evenly distributed in the middle part of, and oil outlet is circle, the outside of the built-in pipe (6) with stretch It is not contacted between contracting set (1) tube wall, and surrounds shoe cream room between the outside of built-in pipe (6) and the inner wall of telescopic (1).

3. a kind of input shaft for high low speed drive according to claim 1, it is characterised in that: the sliding flower The internal diameter of the outer diameter of keyway pipe (4), the internal-and external diameter of built-in pipe (6) and telescopic (1) is sequentially increased, and free-sliding spline barrel (4) Outside be in contact with the inner wall of built-in pipe (6).

4. a kind of input shaft for high low speed drive according to claim 1, it is characterised in that: the oil sealing two (5) end of side telescopic (1) and end end are fixedly connected with the both ends of built-in pipe (6) respectively, the size of the built-in pipe (6) Be adapted with the size of telescopic (1), the end of connector sleeve and telescopic (1) that the built-in pipe (6) is equipped with by both ends and End end is fixedly connected, and the both ends of the both ends of telescopic (1) and built-in pipe (6) are at seal shape.

5. a kind of input shaft for high low speed drive according to claim 1, it is characterised in that: the oil sealing one (3) bottom end and the junction on the outside of telescopic (1) end for being fixedly attached to fuel filler neck (2), and the bottom end of oil sealing one (3) is nested In the tube wall of telescopic (1).

6. a kind of input shaft for high low speed drive according to claim 1, it is characterised in that: the fuel filler neck (2) the oil inlet through-hole and the inner cavity of telescopic (1) that end end is equipped with by telescopic (1) inner wall connect, the fuel filler neck (2) end end is not contacted with built-in pipe (6), and the inner wall of the end end of fuel filler neck (2) and telescopic (1) end is in straight line On.