CN210218468U

CN210218468U - Transmission shaft for automobile

Info

Publication number: CN210218468U
Application number: CN201920577016.7U
Authority: CN
Inventors: Hongming Wang; 王洪铭; Supo Lyu; 吕苏坡
Original assignee: SHANGHAI ZHENGXIANG MACHINERY PARTS Co Ltd
Current assignee: SHANGHAI ZHENGXIANG MACHINERY PARTS Co Ltd
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2020-03-31
Anticipated expiration: 2029-04-25

Abstract

The utility model relates to a transmission shaft for car, including transmission shaft, bearing frame, spline, central siphon, universal joint, back flow, oil storage chamber and bearing, the bearing is fixed inside the bearing frame, the transmission shaft runs through the bearing to be connected with the central siphon through the spline, the one end that the spline was kept away from to the central siphon is provided with the universal joint, and the inner circle fixed connection of transmission shaft and bearing, the oil storage chamber sets up and leans on the lower part position on the bearing frame, the bearing frame leans on the lower part position to have seted up the oil drain, and is connected with the hydraulic fluid port that leads of oil storage chamber, the position that the bearing annular side is close to the oil drain has seted up first oil leak hole, the utility model discloses a collect and recycle lubricating oil, prevented the pollution of car axle installation environment on the one hand, on the other.

Description

Transmission shaft for automobile

Technical Field

The utility model relates to an automobile axle equipment field specifically is a transmission shaft for car.

Background

The automobile shaft is one of important parts of an automobile and is used for reducing the friction coefficient in the movement process of the automobile shaft and ensuring the rotation precision of the automobile shaft.

In the car axle course of operation, need to lubricate bearing department injection lubricating oil, alleviate driven frictional force, the life of extension equipment, but traditional bearing gap department can ooze lubricating oil, and the inside impurity that is adulterated of lubricating oil on the one hand can pollute the installation environment of car axle, and on the other hand has caused the waste of lubricating oil, to sum up, this application now provides a transmission shaft for car and solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a transmission shaft for car to solve traditional bearing gap department that proposes among the above-mentioned background art and can ooze lubricating oil, on the one hand the inside impurity that is adulterated of lubricating oil can pollute the installation environment of car axle, and on the other hand has caused the problem of the waste of lubricating oil.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a transmission shaft for car, includes transmission shaft, bearing frame, spline, central siphon, universal joint, back flow, oil storage chamber and bearing, the bearing is fixed inside the bearing frame, the transmission shaft runs through the bearing to be connected with the central siphon through the spline, the one end that the spline was kept away from to the central siphon is provided with the universal joint, and the inner circle fixed connection of transmission shaft and bearing, the oil storage chamber sets up and leans on the lower part position on the bearing frame, the bearing frame leans on the lower part position to have seted up the oil drain, and the oil drain is certain angle with the horizontal plane downward and arranges, and is connected with the hydraulic fluid port that leads of oil storage chamber, first oil leak hole has been seted up at.

Furthermore, an oil filling opening is formed in the position, close to the upper portion, of the annular side face of the bearing seat, a second oil leakage hole is formed in the position, corresponding to the oil filling opening, of the annular side face of the bearing, and the return pipe is connected with the oil filling opening.

Furthermore, the oil guide port and the return pipe are respectively provided with a one-way valve.

Furthermore, the device also comprises a push plate and a spring; push pedal sliding connection is at the inner wall of oil storage chamber, and with the oil storage chamber divide into two inclosed cavitys from top to bottom inside, spring one end is connected with the push pedal, and the other end is connected with the inner wall of the corresponding oil storage chamber of push pedal.

Furthermore, the device also comprises a filter screen; the filter screen is bilayer structure, just the filter screen is located the inside of the airtight cavity of oil storage chamber by the lower part and leans on upper portion position, and highly being less than the height of leading the hydraulic fluid port of filter screen.

Still further, an adsorption layer is also included; the adsorption layer is positioned in the hollow layer in the double-layer structure of the filter screen.

Furthermore, the device also comprises a rotating shaft, a first gear, a rack and an intermittent transmission mechanism; the utility model discloses a gear, including the oil storage chamber, the pivot is rotated and is connected inside one of them cavity at the oil storage chamber, rack sliding connection is inside the cavity that the inside pivot of oil storage chamber was located, and rack and push pedal fixed connection, first gear setting is in the pivot, and the tooth's socket of first gear meshes with the tooth's socket mutually, the pivot is connected with the transmission shaft through intermittent drive mechanism.

Furthermore, the intermittent transmission mechanism comprises a second gear, a gear lacking the teeth and a chain, wherein the second gear is arranged on the rotating shaft, the gear lacking the teeth is arranged on the transmission shaft, and the gear lacking the teeth is connected with the second gear through the chain.

Compared with the prior art, the beneficial effects of the utility model are that: 1. the utility model collects and recycles the lubricating oil, on one hand, the pollution of the automobile axle installation environment is prevented, on the other hand, the lubricating raw materials and the production cost are reduced;

2. the utility model discloses before carrying out recycle to lubricating oil, filter oil, guarantee lubricating property.

3. The utility model discloses a transmission power of transmission shaft self assists the oil return.

Drawings

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

FIG. 2 is a schematic structural view of the initial position of the push plate inside the oil storage chamber of the present invention;

FIG. 3 is a schematic structural view of the intermittent transmission mechanism of the present invention;

fig. 4 is a schematic structural view of the middle oil storage chamber when the push plate moves the maximum distance.

In the reference symbols: 1. a drive shaft; 2. a bearing seat; 3. a spline; 4. an axle tube; 5. a universal joint; 6. a return pipe; 7. an oil storage chamber; 8. an oil drain channel; 9. an oil leak hole; 10. a bearing; 11. an oil guide port; 12. a rotating shaft; 13. a spring; 14. a rack; 15. a first gear; 16. a second gear; 17. pushing the plate; 18. a gear with missing teeth; 19. and a chain.

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 belong to the protection scope of the present invention.

The first embodiment is as follows: referring to fig. 1 and fig. 2, the present invention provides a technical solution: the utility model provides a transmission shaft for car, including transmission shaft 1, bearing frame 2, the spline 3, central siphon 4, universal joint 5, the back flow 6, oil storage chamber 7 and bearing 10, bearing 10 is fixed inside bearing frame 2, transmission shaft 1 runs through bearing 10, and be connected with central siphon 4 through spline 3, central siphon 4 keeps away from the one end of spline 3 and is provided with universal joint 5, and the inner circle fixed connection of transmission shaft 1 and bearing 10, oil storage chamber 7 sets up and leans on the lower part position on bearing frame 2, bearing frame 2 leans on the lower part position to have seted up oil drain 8, and be connected with oil storage chamber 7's oil guide port 11, bearing 10 annular side has seted up first oil leak hole 9 near the position of oil drain 8.

The working process is as follows: firstly, a worker injects lubricating oil into the bearing 10, the lubricating oil lubricates the bearing 10, the lubricating oil flows downwards, enters the oil storage chamber 7 through the first oil leakage hole 9 and the oil discharge passage 8, and flows back through the return pipe 6.

Example two: is a preferred scheme of the first embodiment: an oil filling port is formed in the position, close to the upper part, of the annular side surface of the bearing seat 2, a second oil leakage hole is formed in the position, corresponding to the oil filling port, of the annular side surface of the bearing 10, and the return pipe 6 is connected with the oil filling port;

also comprises a filter screen; the filter screen is of a double-layer structure, is positioned in the oil storage chamber 7 close to the lower part and close to the upper part of the closed cavity, and is lower than the oil guide port 11;

also comprises an adsorption layer; the adsorption layer is positioned in the hollow layer in the double-layer structure of the filter screen, and can be an activated carbon material layer;

the working process is as follows: after entering the oil storage chamber 7, the lubricating oil is filtered by the filter screen and adsorbed by the adsorption layer, then enters the oil injection port through the return pipe 6, passes through the second oil leakage hole, and enters the bearing 10 for internal recycling.

Example three: is a preferred scheme of the first embodiment: as shown in fig. 2 and 4, the oil guide port 11 and the return pipe 6 are respectively provided with a check valve;

also comprises a push plate 17 and a spring 13; the push plate 17 is connected to the inner wall of the oil storage chamber 7 in a sliding manner, the oil storage chamber 7 is divided into an upper closed cavity and a lower closed cavity, one end of the spring 13 is connected with the push plate 17, and the other end of the spring is connected with the inner wall of the oil storage chamber 7 corresponding to the push plate 17;

the working process is as follows: inside lubricating oil lastingly got into oil storage chamber 7, the inside oil pressure of oil storage chamber 7 lastingly increases, promoted push pedal 17 at the sliding compression spring 13 of oil storage chamber 7 inner wall, release oil storage chamber 7 internal pressure, do not have lubricating oil to get into until oil storage chamber 7 is inside, spring 13 resumes elasticity, drives push pedal 17 and slides to initial position, provides sufficient pressure for the play oil, discharges the inside lubricating oil of oil storage chamber 7.

Example four: as a preferable solution of the first or third embodiment, as shown in fig. 2 to 4, the intermittent drive mechanism further includes a rotating shaft 12, a first gear 15, a rack 14, and a second gear; the rotating shaft 12 is rotatably connected inside one of the cavities of the oil storage chamber 7, the rack 14 is slidably connected inside the cavity where the rotating shaft 12 is located inside the oil storage chamber 7, the rack 14 is fixedly connected with the push plate 17, the first gear 15 is arranged on the rotating shaft 12, the tooth groove of the first gear 15 is meshed with the tooth groove of the rack 14, and the rotating shaft 12 is connected with the transmission shaft 1 through the intermittent transmission mechanism;

the intermittent transmission mechanism comprises a second gear 16, a gear with missing teeth 18 and a chain 19, the second gear 16 is arranged on the rotating shaft 12, the gear with missing teeth 18 is arranged on the transmission shaft 1, and the gear with missing teeth 18 is connected with the second gear 16 through the chain 19;

the working process is as follows: the transmission shaft 1 drives the gear with missing teeth 18 to rotate in the rotating process, the gear with missing teeth 18 drives the second gear 16 to rotate through the chain 19, the second gear 16 drives the rotating shaft 12 to rotate, the rotating shaft 12 drives the first gear 15 to rotate, the first gear 15 and the rack 14 are in meshed motion, the rack 14 drives the push plate 17 to compress the spring 13 until the tooth groove of the gear with missing teeth 18 is separated from the tooth groove of the chain 19, the rotating shaft 12 loses transmission force, the spring 13 recovers elasticity and drives the push plate 17 to slide to the initial position, and therefore the reciprocating motion is realized, the pressure of oil outlet is periodically increased and released, and the speed of oil outlet is increased.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

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. A transmission shaft for an automobile, characterized in that: including transmission shaft (1), bearing frame (2), spline (3), central siphon (4), universal joint (5), back flow (6), oil storage chamber (7) and bearing (10), bearing (10) are fixed inside bearing frame (2), bearing (10) are run through in transmission shaft (1) to be connected with central siphon (4) through spline (3), the one end that spline (3) were kept away from in central siphon (4) is provided with universal joint (5), and the inner circle fixed connection of transmission shaft (1) and bearing (10), oil storage chamber (7) set up and lean on the lower part position on bearing frame (2), oil drain (8) have been seted up by the lower part position in bearing frame (2), and are connected with oil guide (11) of oil storage chamber (7), first oil leak hole (9) have been seted up at the position that bearing (10) annular side is close to oil drain (8).

2. The propeller shaft for the automobile according to claim 1, wherein: an oil filling port is formed in the position, close to the upper portion, of the annular side face of the bearing seat (2), a second oil leakage hole is formed in the position, corresponding to the oil filling port, of the annular side face of the bearing (10), and the return pipe (6) is connected with the oil filling port.

3. The propeller shaft for the automobile according to claim 1, wherein: and the oil guide port (11) and the return pipe (6) are respectively provided with a one-way valve.

4. A propeller shaft for automobiles according to claim 1 or 3, wherein: the device also comprises a push plate (17) and a spring (13); push pedal (17) sliding connection is at the inner wall of oil storage chamber (7), and divide into two inclosed cavitys inside from top to bottom oil storage chamber (7), spring (13) one end is connected with push pedal (17), and the other end is connected with the inner wall of the corresponding oil storage chamber (7) of push pedal (17).

5. The propeller shaft for the automobile according to claim 4, wherein: also comprises a filter screen; the filter screen is bilayer structure, just the filter screen is located oil storage chamber (7) and leans on upper portion position by the inside of the airtight cavity in lower part, and highly being less than the height of leading hydraulic fluid port (11) of filter screen.

6. The propeller shaft for the automobile according to claim 5, wherein: also comprises an adsorption layer; the adsorption layer is positioned in the hollow layer in the double-layer structure of the filter screen.

7. The propeller shaft for the automobile according to claim 1, wherein: the device also comprises a rotating shaft (12), a first gear (15), a rack (14) and an intermittent transmission mechanism; pivot (12) rotate to be connected inside one of them cavity of oil storage chamber (7), rack (14) sliding connection is inside the cavity that inside pivot (12) of oil storage chamber (7) was located, and rack (14) and push pedal (17) fixed connection, first gear (15) set up on pivot (12), and the tooth's socket of first gear (15) meshes with the tooth's socket of rack (14) mutually, pivot (12) are connected with transmission shaft (1) through intermittent type drive mechanism.

8. The propeller shaft for the automobile according to claim 7, wherein: the intermittent transmission mechanism comprises a second gear (16), a gear lacking gear (18) and a chain (19), the second gear (16) is arranged on the rotating shaft (12), the gear lacking gear (18) is arranged on the transmission shaft (1), and the gear lacking gear (18) is connected with the second gear (16) through the chain (19).