CN113531086A

CN113531086A - Universal transmission shaft assembly

Info

Publication number: CN113531086A
Application number: CN202110594580.1A
Authority: CN
Inventors: 张昊森; 胡倩倩
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2021-10-22

Abstract

The invention relates to the technical field of transmission shafts, in particular to a universal transmission shaft assembly, which comprises a first transmission shaft and a second transmission shaft, wherein a telescopic cavity is formed in the right side of the first transmission shaft, spline shafts are fixedly connected to the left sides of the second transmission shaft, the spline shafts are positioned in the telescopic cavities, grooves are fixedly connected to the annular inner surfaces of the telescopic cavities and are matched with the spline shafts correspondingly, lugs are fixedly connected to the annular outer surface of the first transmission shaft, the number of the lugs is two, the lugs are symmetrically distributed by taking the center of the first transmission shaft as a midpoint, a lubricating assembly is arranged in each telescopic cavity, an oil storage cavity is arranged between each lubricating assembly and each telescopic cavity, each telescopic cavity is divided by each lubricating assembly to form the oil storage cavity, one transmission shaft rotates to generate centrifugal force, and rotates a cover plate to move towards an oil filling opening and is tightly attached to the oil filling opening under the mutual matching of a guide rod, a gear and a counterweight ball, so that lubricating oil in the oil storage cavity cannot leak due to poor sealing performance of the cover plate, thereby improving the utilization rate of the lubricating oil by the lubricating component.

Description

Universal transmission shaft assembly

Technical Field

The invention relates to the technical field of transmission shafts, in particular to a universal transmission shaft assembly.

Background

The universal transmission shaft is an important part for transmitting power in an automobile transmission system, and has the function of transmitting the power of an engine to wheels together with a gearbox and a drive axle so as to enable an automobile to generate driving force;

in the process of implementing the invention, at least the following problems in the prior art of the inventor are not solved: 1. the universal transmission shaft needs to regularly lubricate and rust-proof the joints of internal parts of the shaft and the like according to the use environment, so that the service life of the universal transmission shaft is prolonged, but the general universal transmission shaft usually manually firstly detaches the shaft connecting part and then pours lubricating oil into the shaft, which wastes time and labor and affects the work efficiency; 2. the universal transmission shaft is carried on an agricultural vehicle used in rural areas, the rotating speed of the universal transmission shaft is high during normal working, the quantity of stones on the road surface of the rural areas is large, and part of the stones jump after being extruded by the edge of a tire along with the advance of the vehicle, so that the stones possibly collide with the spline shaft part of the universal transmission shaft to cause the damage of the spline shaft, and the service life of the universal transmission shaft is influenced.

To this end, a universal drive shaft assembly is proposed.

Disclosure of Invention

The present invention is directed to a universal drive shaft assembly that solves the problems set forth above in the background.

In order to achieve the purpose, the invention provides the following technical scheme: a universal transmission shaft assembly comprises a first transmission shaft and a second transmission shaft, wherein a telescopic cavity is formed in the right side of the first transmission shaft, a spline shaft is fixedly connected to the left side of the second transmission shaft, the spline shaft is positioned in the telescopic cavity, annular inner surfaces of the telescopic cavity are fixedly connected with grooves and are matched with the spline shaft in a corresponding mode, bumps are fixedly connected to the annular outer surface of the first transmission shaft, the number of the bumps is two, the bumps are symmetrically distributed by taking the center of the first transmission shaft as a midpoint, a lubricating assembly is arranged in the telescopic cavity, an oil storage cavity is arranged between the lubricating assembly and the telescopic cavity, the lubricating assembly divides the telescopic cavity into the oil storage cavities, an external thread is arranged on the annular outer surface of the first transmission shaft, storage rings are arranged on the annular outer surface of the first transmission shaft, the number of the storage rings is four groups, the storage rings are fixedly connected through bolts in a pairwise mode, and the annular inner surface of the storage rings is provided with an internal thread, the transmission shaft is in threaded connection with the transmission shaft and is fastened through a bolt;

the bump comprises an oil filling port, a guide rod, a counterweight ball, a first tooth, a tensile spring, a guide block, a first cover plate, a pull rod, a second tooth, a second slider, a second chute and a gear, wherein the oil filling port is formed in the bump, guide grooves are formed in the front side and the rear side of the oil filling port, the guide block is movably connected in the guide grooves, the guide block and the guide grooves are correspondingly matched with each other and are in a T-shaped structural design, one end of the guide block, which is far away from the guide grooves, is fixedly connected with the guide rod, the outer surface of the lower end of the guide rod is fixedly connected with the counterweight ball, the diameter of the counterweight ball is larger than the caliber of the oil filling port, the left side and the right side of the guide rod are fixedly connected with the first tooth, the inner wall of the oil filling port is rotatably connected with the gear through a rotating shaft, the left side and the right side of the oil filling port are provided with the second chute, the slider is slidably connected with the second slider, one side of the slider, the pull rod is fixedly connected with the first cover plate, and one side of the pull rod, which is close to the gear, is fixedly connected with a second tooth, the first tooth and the second tooth are both meshed with the gear, and a tensile spring is fixedly connected between the guide rod and the first cover plate.

Through adopting above-mentioned technical scheme, a rotation of transmission shaft produces centrifugal force and moves apron and hug closely the oiling mouth at guide arm and gear and counter weight ball mutually supporting down earlier on the oiling mouth motion for the inside lubricating oil of oil storage chamber can not leak because of apron a leakproofness is not good, thereby improves the utilization ratio of lubricated subassembly to lubricating oil.

Preferably, the lubricating assembly comprises a second baffle, a movable cavity, a reset spring, a baffle, a connecting rod, a resisting block and an oil outlet, the second baffle is fixedly connected inside the telescopic cavity, the second baffle is internally provided with the movably connected baffle inside the movable cavity, one end, far away from the first transmission shaft, of the baffle is hinged to the connecting rod, one end, far away from the baffle, of the connecting rod is hinged to the resisting block, the resisting block is located inside the movable cavity and penetrates through the center of the right side of the second baffle, the reset spring is fixedly connected between the left end of the resisting block and the movable cavity, the oil outlet is formed in the position, close to the upper end, of the second baffle, and penetrates through the second baffle and is communicated with the movable cavity.

Through adopting above-mentioned technical scheme, the user adds lubricating oil to the oil storage intracavity portion through the oiling mouth, the transmission shaft need lubricate joints such as the inside spare part of counter shaft after long-time the use rust-resistantly, in operation, when the vehicle was crossed when jolting the road surface, transmission shaft one and transmission shaft two relative motion under the cooperation of flexible chamber and integral key shaft, push rod and resisting the piece contact this moment and make the baffle move to baffle two central points along the activity chamber under the connecting rod mutually supporting with the baffle, thereby make the oil-out open, the inside lubricating oil of oil storage intracavity portion flows, lubricate other parts such as spline shaft, after the vehicle rolled out the road surface of jolting, transmission shaft two resume initial condition, the oil-out is closed under the mutually supporting of reset spring and baffle, prevent that lubricating oil from continuously flowing and causing lubricating oil extravagant.

Preferably, the lubricating assembly further comprises a rotating plate, a round hole, a scraper, a first sliding groove, a first sliding block and a push rod, the first sliding groove is formed in the annular inner surface of the telescopic cavity, the first sliding block is connected with the first sliding groove in a sliding mode, the first sliding block is far away from the first sliding groove, the round hole is formed in the center of the rotating plate, the push rod is fixedly connected with the left center of the spline shaft and penetrates through the round hole, the rotating plate is close to the one side of the push rod, the scraper is in a plurality of groups and distributed in an annular shape with the push rod as the middle point, the scraper is in contact with the telescopic cavity and is in a spiral structure design, and the weight of the lower half part of the rotating plate is larger than the weight of the upper half part.

Through adopting above-mentioned technical scheme, the lubricating oil that flows from the oil-out is limited, in order to improve the utilization ratio of lubricating oil, the during operation, under the mutually supporting of slider one with spout one and rotor plate self weight, the rotor plate is static relatively when transmission shaft one rotates, scrapes from making the flexible intracavity wall that moves the scraper blade pairing rotation, and then makes lubricating oil evenly coat at flexible intracavity wall under the propelling movement of scraper blade to improve the utilization ratio to lubricating oil.

Preferably, the containing ring comprises a containing cavity, a first baffle, a telescopic spring, a steel wire rope, a pulling block and a movable plate, wherein the containing cavity is formed in the containing ring, the upper part and the lower part of the inside of the containing cavity are movably connected with the pulling block, the lower end of the inner surface of the containing cavity is movably connected with the first baffle in a left-right mode, the first baffle is fixedly connected with the containing cavity, the lower end of the pulling block is movably connected with the left side of the first baffle through the steel wire rope, the longitudinal section of the containing cavity is designed to be L-shaped, the upper end and the right end of the containing cavity are both in an open mode, the movable plate is arranged at the upper end of the containing cavity, the containing ring is two groups, a rolling groove is formed in the contact position of the containing ring and the first baffle, and balls are movably connected in the rolling groove.

Through adopting above-mentioned technical scheme, in order to prevent the stone on the road surface and integral key shaft collision, in operation, transmission shaft one is rotatory with transmission shaft two at a high speed, draw the piece this moment and receive centrifugal force effect down, under the effect of drawing piece and wire rope, two sets of baffles one is along accomodating the chamber motion and the merge of butt joint each other, thereby prevent that stone and integral key shaft contact from causing the damage to the integral key shaft, and then improve transmission shaft two's life, the adjacent limit fixedly connected with rubber pad of two sets of baffles one, thereby absorb the external force that two sets of baffles one contact produced, and accomodate the ring and be detachable construction, the person of facilitating the use maintains the inside, through mutually supporting of ball and rolling groove reduce baffle one and accomodate the friction of ring.

Preferably, the movable plate comprises a second cover plate, an extrusion spring, an extrusion plate, extrusion cotton and a containing groove, the upper end of the inner surface of the containing cavity and the upper end of the movable plate are respectively provided with a threaded hole, the threaded hole is internally connected with a bolt in a threaded manner, the movable plate and the containing cavity are fixedly connected with the threaded hole through bolts, the inside of the movable plate is provided with a containing groove, and the inside of the containing groove is provided with extrusion cotton, the right side of the containing groove is in an open state, the inside of the containing groove is movably connected with an extrusion plate, an extrusion spring is fixedly connected between the containing groove and the extrusion plate, the two are movably connected through an extrusion spring, the upper end of the movable plate is provided with a second cover plate, the upper end of the second cover plate is provided with a threaded hole, and the pull block is fixedly connected with the movable plate through a bolt, a rolling groove is also formed in one side of the pull block close to the containing cavity, and a ball is movably connected inside the rolling groove.

Through adopting above-mentioned technical scheme, in order to improve the activity efficiency who draws the piece, in operation, the user is to accomodating the inside dropwise add lubricating oil in groove, draw the piece at the increase of the inside slip efficiency of accomodating the intracavity under the mutually supporting between ball and rolling slot, the ball of simultaneous movement extrudees the stripper plate along accomodating the chamber up-and-down motion, force the inside extrusion cotton of stripper plate extrusion, make the inside lubricating oil of extrusion cotton flow through the gap and lubricate the ball, thereby further improve the motion efficiency who draws the piece, through the bolt with apron two mutually supporting down to accomodating the groove and seal and prevent inside lubricating oil from flowing.

Preferably, one side fixedly connected with of fly leaf is close to the piece of drawing scrapes the strip, it is the arc structural design to scrape the strip, and its quantity is a plurality of groups, it constitutes for elastic metal to scrape the strip, the stripper plate is the trapezium structural design, apron two is provided with sealing rubber with accomodate the groove and correspond the position.

Through adopting above-mentioned technical scheme, the during operation is scraped to drawing the piece surface through the multiunit scraping bar, prevents to draw the motion that the piece table adnexed dust got into and accomodates the intracavity inside influence and draw the piece, and the stripper plate is the trapezoidal structure design for the ball can be extruded the stripper plate effectively, thereby improves the cotton oil efficiency of extrusion.

Compared with the prior art, the invention has the beneficial effects that:

1. by adding a series of structures such as a lubricating component in the device, the cover plate I is always tightly attached to the oil filling port under the action of centrifugal force provided by rotation of the transmission shaft I and under the mutual matching of the guide rod and the counterweight ball, so that the sealing effect of the cover plate I is improved, lubricating oil in the oil storage cavity uniformly flows out under the mutual matching of the baffle plate and the resisting block, and the lubricating oil is uniformly coated in the telescopic cavity under the matching of the push rod and the rotating plate, so that the lubricating effect is improved;

2. through a series of structures such as the ring is accomodate in adding in the device, under drawing mutually supporting of piece and baffle, when drawing the piece and receive centrifugal force outwards motion, pull through wire rope and force two sets of baffles to dock each other, protect the integral key shaft between two sets of baffles to avoid colliding with of stone and appear damaging.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is an overall structural view of the present invention;

FIG. 2 is a cross-sectional view of a first transmission shaft and a second transmission shaft of the present invention;

FIG. 3 is a structural view of the receiving ring of the present invention;

FIG. 4 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;

FIG. 5 is a structural view of the guide bar of the present invention;

FIG. 6 is an enlarged view at C of FIG. 2 of the present invention;

FIG. 7 is an enlarged view at D of FIG. 6 of the present invention;

fig. 8 is an enlarged view at B of fig. 2 of the present invention.

Description of reference numerals:

1. a first transmission shaft; 11. a spline shaft; 111. a push rod; 12. a telescoping chamber; 13. a rotating plate; 131. a circular hole; 132. a squeegee; 14. a first sliding chute; 141. a first sliding block; 15. a second transmission shaft; 16. an oil storage chamber; 2. a bump; 21. an oil filling port; 22. a guide bar; 221. a counterweight ball; 222. a first tooth; 223. a tension spring; 224. a guide block; 23. a first cover plate; 231. a pull rod; 232. a second tooth; 233. a second sliding block; 234. a second chute; 24. a gear; 3. a receiving ring; 31. a receiving cavity; 32. a first baffle plate; 33. a tension spring; 34. a wire rope; 38. pulling the block; 39. a movable plate; 391. a second cover plate; 393. a compression spring; 394. a pressing plate; 395. extruding cotton; 396. scraping the strips; 397. a receiving groove; 4. a lubrication assembly; 41. a second baffle plate; 42. a movable cavity; 43. a return spring; 44. blocking the plate; 45. a connecting rod; 46. a resisting block; 47. and an oil outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 8, the present invention provides a technical solution:

a universal drive shaft assembly comprises a first drive shaft 1 and a second drive shaft 15, wherein a first drive shaft 1 is provided with a right telescopic cavity 12, a second drive shaft 15 is provided with a left fixedly connected spline shaft 11, the spline shaft 11 is positioned in the telescopic cavity 12, the inner surface of the first telescopic cavity 12 is fixedly connected with a groove and is correspondingly matched with the spline shaft 11, a first drive shaft 1 is fixedly connected with a lug 2 on the outer surface of the annular shape, the number of the lugs 2 is two, the central point of the first drive shaft 1 is used as the midpoint symmetrical distribution, a lubricating component 4 is arranged in the telescopic cavity 12, an oil storage cavity 16 is arranged between the lubricating component 4 and the telescopic cavity 12, the lubricating component 4 divides the telescopic cavity 12 into four parts, the outer surface of the first drive shaft 1 is provided with an external thread, the outer surface of the first drive shaft 1 is provided with a storage ring 3, and the number of the storage rings 3 is four groups, every two of the accommodating rings are fixedly connected through bolts, and the inner annular surface of the accommodating ring 3 is provided with internal threads which are in threaded connection with the first transmission shaft 1 and are fastened through bolts;

the bump 2 comprises an oil filling port 21, a guide rod 22, a counterweight ball 221, a first tooth 222, a tensile spring 223, a guide block 224, a first cover plate 23, a pull rod 231, a second tooth 232, a second slider 233, a second sliding chute 234 and a gear 24, the oil filling port 21 is arranged in the bump 2, guide grooves are formed in the front side and the rear side of the oil filling port 21, the guide block 224 is movably connected in the guide grooves, the guide block 224 and the guide grooves are matched with each other correspondingly and are designed in a T-shaped structure, one end of the guide block 224, which is far away from the guide grooves, is fixedly connected with the guide rod 22, the outer surface of the lower end of the guide rod 22 is fixedly connected with the counterweight ball 221, the diameter of the counterweight ball 221 is larger than the caliber of the oil filling port 21, the first tooth 222 is fixedly connected with the left side and the right side of the guide rod 22, the inner wall of the oil filling port 21 is rotatably connected with the gear 24 through a rotating shaft, the second sliding chutes 234 are formed in the left side and the right side of the oil filling port 21, the sliding grooves are slidably connected with the second slider 233, one side of the second sliding block 233, which is far away from the second sliding groove 234, is fixedly connected with a pull rod 231, the upper end of the pull rod 231 is fixedly connected with the first cover plate 23, one side of the pull rod 231, which is close to the gear 24, is fixedly connected with a second tooth 232, the first tooth 222 and the second tooth 232 are both meshed with the gear 24, and a tensile spring 223 is fixedly connected between the guide rod 22 and the first cover plate 23.

Through adopting above-mentioned technical scheme, the transmission shaft need lubricate joints such as the inside spare part of axis after long-time work rust-resistant, during operation, when transmission shaft 1 is rotatory to produce centrifugal force, make counter weight ball 221 promote guide arm 22 outwards to move under the cooperation of guide block 224 and guide way, pull rod 231 direction of motion is opposite with guide arm 22 direction of motion under the mutual cooperation of gear 24 and tooth one 222 and tooth two 232 this moment, pull rod 231 makes apron one 23 closely laminate with oiling mouth 21 all the time through slider two 233 and spout two 234, thereby improve the sealed effect of apron one 23.

As an embodiment of the present invention, as shown in fig. 2 and 8, the lubricating assembly 4 includes a second baffle plate 41, a movable cavity 42, a return spring 43, a stop plate 44, a connecting rod 45, a stop block 46, and an oil outlet 47, the second baffle plate 41 is fixedly connected inside the telescopic cavity 12, the second baffle plate 41 is provided with the stop plate 44 movably connected inside the movable cavity 42, one end of the stop plate 44 away from the first transmission shaft 1 is hinged to the connecting rod 45, one end of the connecting rod 45 away from the stop plate 44 is hinged to the stop block 46, the stop block 46 is located inside the movable cavity 42 and penetrates through the right center position of the second baffle plate 41, the return spring 43 is fixedly connected between the left end of the stop block 46 and the movable cavity 42, the position of the second baffle plate 41 close to the upper end is provided with the oil outlet 47, and the oil outlet 47 penetrates through the second baffle plate 41 and is communicated with the movable cavity 42.

By adopting the technical scheme, the transmission shaft needs to lubricate and rust-proof joints of internal parts of the shaft and the like after being used for a long time, when the transmission shaft works, a user adds lubricating oil into the oil storage cavity 16 through the oil filling port 21, when the vehicle passes through a bumpy road surface, the first transmission shaft 1 and the second transmission shaft 15 move relatively under the matching of the telescopic cavity 12 and the spline shaft 11, at the moment, the push rod 111 is in contact with the resisting block 46 and enables the resisting plate 44 to move towards the center of the second baffle plate 41 along the movable cavity 42 under the mutual matching of the connecting rod 45 and the resisting plate 44, so that the oil outlet 47 is opened, the lubricating oil in the oil storage cavity 16 flows out, lubricating other parts such as the spline shaft 11 and the like, when the vehicle runs out of a bumpy road surface, the second transmission shaft 15 restores the initial state, the oil outlet 47 is closed under the mutual matching of the return spring 43 and the baffle plate 44, so that the lubricating oil is prevented from continuously flowing out to cause the waste of the lubricating oil.

As an embodiment of the present invention, as shown in fig. 2, the lubricating assembly 4 further includes a rotating plate 13, a circular hole 131, a scraping plate 132, a first sliding chute 14, a first slider 141, and a push rod 111, a first sliding groove 14 is formed in the annular inner surface of the telescopic cavity 12, a first sliding block 141 is connected inside the first sliding groove 14 in a sliding manner, one end of the first sliding block 141, which is far away from the first sliding groove 14, is fixedly connected with the rotating plate 13, the center position of the rotating plate 13 is provided with a round hole 131, the center position of the left side of the spline shaft 11 is fixedly connected with the push rod 111, the push rod 111 penetrates through the round hole 131 and is connected with the round hole through threads, one side of the rotating plate 13 close to the push rod 111 is fixedly connected with a plurality of scraping plates 132, the number of the scraping plates 132 is a plurality of groups, the scrapers 132 are disposed at equal intervals in a ring shape with the push rod 111 as a center, and contact with the telescopic cavity 12 and are designed in a spiral structure, and the weight of the lower half part of the rotating plate 13 is greater than that of the upper half part.

Through adopting above-mentioned technical scheme, the lubricating oil that flows from oil-out 47 is limited, in order to improve the utilization ratio of lubricating oil, the during operation, under the mutually supporting of slider 141 and spout 14 and rotor plate 13 self weight, rotor plate 13 is static relatively when transmission shaft 1 rotates, from making the flexible chamber 12 inner wall of moving scraper blade 132 pairing rotation scrape, and then make lubricating oil evenly scribble at flexible chamber 12 inner wall under the propelling movement of scraper blade 132, thereby improve the utilization ratio to lubricating oil.

As an embodiment of the present invention, as shown in fig. 3 and 6, the receiving ring 3 includes a receiving cavity 31, a first baffle 32, a telescopic spring 33, a steel wire rope 34, a pulling block 38, and a movable plate 39, the receiving cavity 31 is formed in the receiving ring 3, the pulling block 38 is movably connected in the receiving cavity 31 up and down, the first baffle 32 is movably connected in the lower end of the inner surface of the receiving cavity 31 left and right, the telescopic spring 33 is fixedly connected between the first baffle 32 and the receiving cavity 31, the lower end of the pulling block 38 is movably connected with the left side of the first baffle 32 through the steel wire rope 34, the longitudinal section of the receiving cavity 31 is designed in an L-shaped structure, the upper end and the right end of the receiving cavity are both open, the movable plate 39 is arranged at the upper end of the receiving cavity 31, the number of the receiving rings 3 is two, a rolling groove is formed at a contact position of the receiving ring 3 and the first baffle 32, and a ball is movably connected in the rolling groove.

Through adopting above-mentioned technical scheme, in order to prevent the stone on the road surface and integral key shaft 11 collision, in operation, transmission shaft 1 is high-speed rotatory with transmission shaft two 15, draw the piece 38 this moment and receive centrifugal force effect down, under the effect of drawing piece 38 and wire rope 34, two sets of baffles 32 are along accomodating the chamber 31 motion and mutual butt joint and merge, thereby prevent that stone and integral key shaft 11 contact from leading to the fact the damage to integral key shaft 11, and then improve transmission shaft two 15 life, the adjacent limit fixedly connected with rubber pad of two sets of baffles 32, thereby absorb the external force that two sets of baffles 32 contacts produced, and accomodate ring 3 and be detachable construction, the person of facilitating the use maintains the inside, reduce baffle 32 and accomodate ring 3's friction through the mutual cooperation of ball and slot rolling.

As an embodiment of the present invention, as shown in fig. 6 and 7, the movable plate 39 includes a cover plate 391, an extrusion spring 393, an extrusion plate 394, an extrusion cotton 395, and a storage groove 397, the upper end of the inner surface of the storage cavity 31 and the upper end of the movable plate 39 are respectively provided with a threaded hole, the threaded hole is internally threaded with a bolt, the movable plate 39 and the storage cavity 31 are fixedly connected with the threaded hole through the bolt, the movable plate 39 is internally provided with a storage groove 397, the extrusion cotton 395 is arranged in the storage groove 397, the right side of the storage groove 397 is in an open state, the extrusion plate 394 is movably connected with the storage groove 397, the extrusion spring 393 is fixedly connected with the extrusion plate 394, the upper end of the movable plate 39 is provided with the cover plate 391, the upper end of the cover plate 391 is provided with a threaded hole, and the cover plate 391 is fixedly connected with the movable plate 39 through the bolt, a rolling groove is also formed in one side of the pulling block 38 close to the containing cavity 31, and a ball is movably connected inside the rolling groove.

Through adopting above-mentioned technical scheme, in order to improve the activity efficiency who draws piece 38, in operation, the user is to the inside dropwise add lubricating oil of accomodating groove 397, draw piece 38 at the increase of the inside slip efficiency of accomodating chamber 31 under the mutually supporting between ball and the raceway, the ball of simultaneous movement is along accomodating chamber 31 up-and-down motion and extrudeing stripper plate 394, force stripper plate 394 to extrude inside extrusion cotton 395, make the inside lubricating oil of extrusion cotton 395 flow out through the gap and lubricate the ball, thereby further improve the motion efficiency who draws piece 38, through sealing up and preventing inside lubricating oil from flowing out to accomodating groove 397 under the mutually supporting of bolt and apron two 391.

As an embodiment of the present invention, as shown in fig. 7, a plurality of groups of scratch strips 396 are fixedly connected to one side of the movable plate 39 close to the pull block 38, the scratch strips 396 are designed to be arc-shaped, the scratch strips 396 are made of elastic metal, the extrusion plate 394 is designed to be trapezoid-shaped, and a sealing rubber is disposed at a position of the cover plate 391 corresponding to the receiving groove 397.

Through adopting above-mentioned technical scheme, the during operation is scraped to the surface of zipper slider 38 through multiunit scraping strip 396, prevents that zipper slider 38 table adnexed dust from getting into and accomodate the inside motion that influences zipper slider 38 in chamber 31, and stripper plate 394 is the trapezium structure design for the ball can extrude stripper plate 394 effectively, thereby improves the play oil efficiency of extrusion cotton 395.

The working principle is as follows: when the transmission shaft works for a long time, the connecting parts of parts and the like in the shaft need to be lubricated and rusted, in order to reduce the waste of lubricating oil, when the transmission shaft I1 rotates to generate centrifugal force, the guide rod 22 is pushed to move outwards by the matching counterweight ball 221 of the guide block 224 and the guide groove, at the moment, the movement direction of the pull rod 231 is opposite to the movement direction of the guide rod 22 under the mutual matching of the gear 24, the first tooth teeth 222 and the second tooth 232, the pull rod 231 enables the first cover plate 23 to be always tightly attached to the oil filling port 21 through the second slider 233 and the second chute 234, so that the sealing effect of the first cover plate 23 is improved, a user adds lubricating oil into the oil storage cavity 16 through the oil filling port 21, when a vehicle passes through a bumpy road, the first transmission shaft I1 and the second transmission shaft 15 move relatively under the matching of the telescopic cavity 12 and the spline shaft 11, at the moment, the push rod 111 contacts with the resisting block 46 and enables the resisting plate 44 to move towards the center position of the second baffle plate 41 along the movable cavity 42 under the mutual matching of the connecting rod 45 and the resisting plate 44, so that the oil outlet 47 is opened, the lubricating oil in the oil storage cavity 16 flows out to lubricate other parts such as the spline shaft 11, when the vehicle runs out of a bumpy road surface, the transmission shaft II 15 returns to the initial state, the oil outlet 47 is closed under the mutual matching of the return spring 43 and the baffle plate 44, the lubricating oil is prevented from continuously flowing out to cause the waste of the lubricating oil, under the mutual matching of the slide block I141, the slide groove I14 and the self weight of the rotating plate 13, the rotating plate 13 is relatively static when the transmission shaft I1 rotates, the movable scraper plate 132 scrapes the inner wall of the rotating telescopic cavity 12, the lubricating oil is uniformly coated on the inner wall of the telescopic cavity 12 under the pushing of the scraper plate 132, the utilization rate of the lubricating oil is improved, the transmission shaft I1 and the transmission shaft II 15 rotate at a high speed, at the moment, the pull block 38 is under the action of centrifugal force, under the action of the pull block 38 and the steel wire rope 34, the two groups of baffles I32 move along the containing cavity 31 and are mutually butted and combined, thereby preventing the stone from contacting with the spline shaft 11 to damage the spline shaft 11, further improving the service life of the second transmission shaft 15, the user drops lubricating oil into the containing groove 397, the sliding efficiency of the pull block 38 in the containing cavity 31 is increased under the mutual matching between the balls and the rolling grooves, the moving balls move up and down along the containing cavity 31 and extrude the extrusion plate 394, the extrusion plate 394 is forced to extrude the internal extrusion cotton 395, the lubricating oil in the extrusion cotton 395 flows out through the gaps to lubricate the balls, thereby further improving the moving efficiency of the pull block 38, the containing groove 397 is sealed by the mutual matching between the bolts and the second cover plate 391 to prevent the internal lubricating oil from flowing out, the surface of the pull block 38 is scraped by a plurality of groups of scraping strips 396, the dust attached to the surface of the pull block 38 is prevented from entering the containing cavity 31 to influence the movement of the pull block 38, the extrusion plate 394 is designed in a trapezoidal structure, so that the balls can effectively press the pressing plate 394, thereby improving the oil discharging efficiency of the pressed cotton 395.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a universal drive shaft subassembly, includes transmission shaft one (1), transmission shaft two (15), its characterized in that: flexible chamber (12) have been seted up on transmission shaft (1) right side, transmission shaft two (15) left side fixedly connected with integral key shaft (11), integral key shaft (11) are located flexible chamber (12) inside, and flexible chamber (12) annular internal surface fixed connection recess and with integral key shaft (11) match each other corresponding, transmission shaft one (1) annular external surface fixedly connected with lug (2), lug (2) quantity is two sets of and uses the center of transmission shaft one (1) as midpoint symmetric distribution, flexible chamber (12) inside is provided with lubricated subassembly (4), be provided with oil storage chamber (16) between lubricated subassembly (4) and flexible chamber (12), and lubricated subassembly (4) will stretch out and draw back chamber (12) and cut apart and form oil storage chamber (16), transmission shaft one (1) annular surface sets up the external screw thread, and transmission shaft one (1) annular surface is provided with accomodates ring (3), the number of the containing rings (3) is four, every two of the containing rings are fixedly connected through bolts, and internal threads are arranged on the annular inner surface of each containing ring (3), are in threaded connection with the first transmission shaft (1) and are fastened through bolts;

the bump (2) comprises an oil filling port (21), a guide rod (22), a counterweight ball (221), a first tooth (222), a tensile spring (223), a guide block (224), a first cover plate (23), a pull rod (231), a second tooth (232), a second slider (233), a second chute (234) and a gear (24), the oil filling port (21) is formed in the bump (2), guide grooves are formed in the front side and the rear side of the oil filling port (21), the guide blocks (224) are movably connected in the guide grooves, the guide blocks (224) and the guide grooves are matched with each other correspondingly and are in a T-shaped structural design, one end, far away from the guide grooves, of each guide block (224) is fixedly connected with the guide rod (22), the outer surface of the lower end of the guide rod (22) is fixedly connected with the counterweight ball (221), the diameter of the counterweight ball (221) is larger than the caliber of the oil filling port (21), the first tooth (222) is fixedly connected with the left side and the right side of the guide rod (22), the utility model discloses a oiling mouth, including oiling mouth (21), spout two (234) inside sliding connection slider two (233) are seted up through the pivot rotation connection gear (24) to oiling mouth (21) the left and right sides, one side fixed connection pull rod (231) of spout two (234) are kept away from in slider two (233), pull rod (231) upper end fixed connection apron (23), and pull rod (231) are close to one side fixed connection tooth two (232) of gear (24), tooth one (222) all mesh with gear (24) with tooth two (232), fixed connection tension spring (223) between guide arm (22) and apron (23).

2. A universal drive shaft assembly according to claim 1, wherein: the lubricating component (4) comprises a baffle II (41), a movable cavity (42), a return spring (43), a baffle plate (44), a connecting rod (45), a resisting block (46) and an oil outlet (47), a second baffle plate (41) is fixedly connected inside the telescopic cavity (12), a baffle plate (44) is movably connected inside the movable cavity (42) arranged inside the second baffle plate (41), one end of the baffle plate (44) far away from the first transmission shaft (1) is hinged with a connecting rod (45), and one end of the connecting rod (45) far away from the baffle plate (44) is hinged with the resisting block (46), the resisting block (46) is positioned in the movable cavity (42) and penetrates through the center of the right side of the second baffle plate (41), a return spring (43) is fixedly connected between the left end of the resisting block (46) and the movable cavity (42), an oil outlet (47) is formed at the position, close to the upper end, of the baffle II (41), and the oil outlet (47) penetrates through the second baffle plate (41) and is communicated with the movable cavity (42).

3. A universal drive shaft assembly according to claim 2, wherein: the lubricating component (4) further comprises a rotating plate (13), a round hole (131), a scraping plate (132), a first sliding groove (14), a first sliding block (141) and a push rod (111), the first sliding groove (14) is formed in the annular inner surface of the telescopic cavity (12), the first sliding groove (14) is connected with the first sliding block (141) in a sliding mode, one end, far away from the first sliding groove (14), of the first sliding block (141) is fixedly connected with the rotating plate (13), the round hole (131) is formed in the center position of the rotating plate (13), the push rod (111) is fixedly connected with the left center position of the spline shaft (11), the push rod (111) penetrates through the round hole (131), the scraping plate (13) is fixedly connected with one side, close to the push rod (111), of the scraping plates (132), the scraping plates (132) are in a plurality of groups and are distributed in an annular mode with the push rod (111) as the center at equal intervals, the scraping plates (132) are in contact with the telescopic cavity (12) and are designed in a spiral structure, the weight of the lower half part of the rotating plate (13) is greater than that of the upper half part.

4. A universal drive shaft assembly according to claim 1, wherein: the accommodating ring (3) comprises an accommodating cavity (31), a first baffle plate (32), a telescopic spring (33), a steel wire rope (34), a pulling block (38) and a movable plate (39), the accommodating cavity (31) is formed in the accommodating ring (3), the upper part and the lower part of the accommodating cavity (31) are movably connected with the pulling block (38), the first baffle plate (32) is movably connected with the lower end of the inner surface of the accommodating cavity (31) in the left-right direction, the telescopic spring (33) is fixedly connected between the first baffle plate (32) and the accommodating cavity (31), the lower end of the pulling block (38) is movably connected with the left side of the first baffle plate (32) through the steel wire rope (34), the longitudinal section of the accommodating cavity (31) is in an L-shaped structural design, the upper end and the right end of the accommodating cavity are both in an open shape, the movable plate (39) is arranged at the upper end of the accommodating cavity (31), the number of the accommodating rings (3) is two groups, a rolling groove is formed at the contact position of the accommodating rings (3) and the first baffle plate (32), and the inside of the rolling groove is movably connected with a ball.

5. The universal drive shaft assembly of claim 4, wherein: the movable plate (39) comprises a cover plate II (391), an extrusion spring (393), an extrusion plate (394), extrusion cotton (395) and a containing groove (397), the upper end of the inner surface of the containing cavity (31) and the upper end of the movable plate (39) are correspondingly provided with threaded holes, the threaded holes are internally and threadedly connected with bolts, the movable plate (39) and the containing cavity (31) are fixedly connected with the threaded holes through bolts, the containing groove (397) is formed inside the movable plate (39), the extrusion cotton (395) is arranged inside the containing groove (397), the right side of the containing groove (397) is in an open state and is movably connected with the extrusion plate (394), the extrusion spring (397) is fixedly connected with the extrusion plate (394) and is movably connected with the extrusion spring (393), the cover plate II (391) is arranged at the upper end of the movable plate (39), and the threaded holes are formed at the upper end of the cover plate II (391), and the pull block is fixedly connected with a movable plate (39) through a bolt, a rolling groove is also formed in one side of the pull block (38) close to the containing cavity (31), and a ball is movably connected inside the rolling groove.

6. The universal drive shaft assembly of claim 5, wherein: one side fixedly connected with of fly leaf (39) is close to and draws piece (38) scrapes strip (396), scrape strip (396) be arc structural design, and its quantity is a plurality of groups, scrape strip (396) and constitute for elastic metal, stripper plate (394) are the trapezium structural design, apron two (391) and storage groove (397) correspond the position and are provided with sealing rubber.