CN214112285U

CN214112285U - Disc brake driving rear axle for old people

Info

Publication number: CN214112285U
Application number: CN202023137186.5U
Authority: CN
Inventors: 金少华; 吴虹谕
Original assignee: Chongqing Xianyou Technology Development Co ltd
Current assignee: Chongqing Xianyou Technology Development Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-09-03
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a dish is stopped and is driven rear axle for old person, including two shells and the differential mechanism body of setting inside two shells, two the shell body top is run through and is rotated and be connected with the main shaft, the main shaft bottom is connected with first output shaft through drive mechanism, first output shaft wherein one end runs through the shell body and outwards extends, first output shaft passes through connecting axle and this body coupling of differential mechanism. The utility model discloses, through mutually supporting between first output shaft, U type pole, connecting axle, fixed pipe, piston piece, pulling pole and the connecting pipe, when first output shaft rotates, drive the piston piece through the pulling pole and reciprocate to accelerate connecting pipe and the intraductal air current of fixed pipe and flow, and first output shaft rotates faster, and the air current velocity of flow is faster, and the radiating effect is better, avoids influencing the just-produced work of drive rear axle because of the temperature risees in the shell body.

Description

Disc brake driving rear axle for old people

Technical Field

The utility model relates to a drive rear axle technical field especially relates to a dish is stopped and is driven rear axle for old person.

Background

The rear axle is a rear driving axle component for vehicle power transmission, and is composed of two half-bridges, and can implement half-bridge differential motion, at the same time, it is also a device for supporting wheels and connecting rear wheels.

The existing electric drive rear axle for the old people mainly adopts a transmission structure of a secondary speed reducer and a differential mechanism, an output shaft continuously rotates in the running process of a vehicle, gears continuously rub to generate more heat, and the heat cannot be timely dissipated in hot weather such as summer.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a rear axle for the disc brake drive of the old people.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a disc brake driving rear axle for an old people vehicle comprises two outer shells and a differential mechanism body arranged inside the two outer shells, wherein the tops of the two outer shells are connected with a main shaft in a penetrating and rotating mode, the bottom of the main shaft is connected with a first output shaft through a transmission mechanism, one end of the first output shaft penetrates through the outer shells and extends outwards, the first output shaft is connected with the differential mechanism body through a connecting shaft, the output end of the differential mechanism body is connected with a second output shaft, and the second output shaft penetrates through the outer shells and extends outwards; one of them the fixed pipe of shell body inside wall fixedly connected with, a plurality of air current holes have been seted up to fixed intraductal side wall, fixed intraductal side wall sliding connection has the piston piece, the piston piece is connected with first output shaft through pulling mechanism, two connecting pipes of fixed socle portion run through and fixedly connected with, two the shell body lateral wall all is connected with the mechanism of airing exhaust with connecting pipe looks adaptation.

As a further description of the above technical solution:

the transmission mechanism comprises a first bevel gear fixedly sleeved on the outer side wall of the main shaft, and a second bevel gear meshed with the first bevel gear is fixedly sleeved on the outer side wall of the first output shaft.

As a further description of the above technical solution:

and the two outer shells are fixedly connected through a plurality of locking bolts.

As a further description of the above technical solution:

the pulling mechanism comprises a pulling rod connected with the piston block in a rotating mode, a U-shaped rod is arranged above the pulling rod, the pulling rod is connected to the outer side wall of the U-shaped rod in a rotating mode, and the U-shaped rod is fixedly connected to the outer side wall of the first output shaft.

As a further description of the above technical solution:

one end of the connecting shaft is fixedly connected with the U-shaped rod, and the other end of the connecting shaft is connected with the input end of the differential mechanism body.

As a further description of the above technical solution:

exhaust mechanism includes the external screw thread pipe of fixed connection on the shell body inside wall, connecting pipe bottom fixedly connected with internal thread pipe, internal thread pipe and external screw thread pipe inside wall threaded connection, the shell body inside wall set up with the penetrating mouth that runs through of external screw thread pipe looks adaptation, it has one-level filter screen and second grade filter screen to run through a mouthful inside wall from outside to inside fixedly connected with in proper order.

The utility model discloses following beneficial effect has:

1. compared with the prior art, this drive rear axle is stopped to dish for old person, through first output shaft, U type pole, the connecting axle, fixed pipe, the piston piece, mutually support between pulling pole and the connecting pipe, when first output shaft rotates, it reciprocates to drive the piston piece through pulling pole, thereby accelerate connecting pipe and the interior air current flow of fixed pipe, and first output shaft rotates sooner, the air current velocity of flow is sooner, the radiating effect is better, avoid influencing the just production work of drive rear axle because of temperature rising in the shell body.

2. Compared with the prior art, this drive rear axle is stopped to dish for old person, through shell body, connecting pipe, internal thread pipe, external screw thread pipe, run through mouthful, mutually supporting between one-level filter screen and the second grade filter screen, utilize the threaded connection of internal thread pipe, external screw thread pipe, the dismantlement of the connecting pipe of being convenient for to the convenience is maintained the shell body separation, and the setting of one-level filter screen and second grade filter screen simultaneously then avoids outside dust etc. to get into inside the shell body.

Drawings

Fig. 1 is a schematic structural view of a disc brake driving rear axle for an old people vehicle provided by the utility model;

fig. 2 is a cross-sectional view of a disc brake driving rear axle for an old people vehicle provided by the utility model;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is the utility model provides a connection structure sketch map of connecting pipe and external screw thread pipe in the drive rear axle of dish brake for old person.

Illustration of the drawings:

1. an outer housing; 2. a differential body; 3. a main shaft; 4. a first output shaft; 5. a second output shaft; 6. a fixed tube; 7. a piston block; 8. a connecting pipe; 9. a first bevel gear; 10. a second bevel gear; 11. locking the bolt; 12. pulling a rod; 13. a U-shaped rod; 14. an externally threaded tube; 15. an internally threaded tube; 16. a through opening; 17. a first-stage filter screen; 18. a secondary filter screen; 19. and an airflow hole.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the utility model provides a pair of old automobile-used dish is stopped and is driven rear axle: including two shells 1 and the differential mechanism body 2 of setting in two shells 1 insides, two shells 1 are through many locking bolt 11 fixed connection, two 1 tops of shell run through and the swivelling joint have

main shaft

3, 3 bottoms of main shaft are connected with first output shaft 4 through drive mechanism, first output shaft 4 wherein one end runs through shell 1 and outwards extends, drive mechanism is including the fixed first bevel gear 9 that cup joints on 3 lateral walls of main shaft, 4 lateral walls of first output shaft are fixed cup joint have with the second bevel gear 10 of first bevel gear 9 meshing.

The first output shaft 4 is connected with the differential body 2 through a connecting shaft, the output end of the differential body 2 is connected with a second output shaft 5, the second output shaft 5 penetrates through the outer shell 1 and extends outwards, a plurality of gears are arranged on the differential body 2, the gears are not shown in the figure, and the gears are mutually matched for use, which is common knowledge of persons skilled in the art and is not described herein.

Wherein, the fixed pipe 6 of 1 inside wall fixedly connected with of one of them shell body, a plurality of air current holes 19 have been seted up to fixed 6 inside walls of pipe, fixed 6 inside walls sliding connection of pipe has piston piece 7, piston piece 7 is connected with first output shaft 4 through pulling mechanism, pulling mechanism includes and rotates pulling rod 12 of being connected with piston piece 7, pulling rod 12 top is equipped with U type pole 13, pulling rod 12 rotates and cup joints on U type pole 13 lateral wall, U type pole 13 fixed connection is on first output shaft 4 lateral wall, the piston piece 7 upper surface runs through the mounting groove that sets up around seting up, the mounting groove inside wall rotates and is connected with the installation pole, pulling rod 12 is fixed to be cup jointed on the installation pole lateral wall.

One end of the connecting shaft is fixedly connected with the U-shaped rod 13, and the other end of the connecting shaft is connected with the input end of the differential mechanism body 2.

Wherein, the bottom of the fixed pipe 6 is penetrated and fixedly connected with two connecting pipes 8, the side walls of the two outer shells 1 are both connected with an exhaust mechanism matched with the connecting pipes 8, the exhaust mechanism comprises an external thread pipe 14 fixedly connected on the inner side wall of the outer shell 1, the bottom of the connecting pipe 8 is fixedly connected with an internal thread pipe 15, the internal thread pipe 15 is in threaded connection with the inner side wall of the external thread pipe 14, the connecting pipe 8 is a hose, the internal thread pipe 15 is in threaded connection with the external thread pipe 14, the connecting pipe 8 can be taken down after the bottom locking bolt 11 is disassembled, the two outer shells 1 are convenient to be separated so as to maintain the inside, the inner side wall of the outer shell 1 is provided with a through hole 16 matched with the external thread pipe 14, the inner side wall of the through hole 16 is fixedly connected with a primary filter screen 17 and a secondary filter screen 18 from the outside to the inside in turn, the aperture of the primary filter screen 17 is larger than the aperture of the secondary filter screen 18, and secondary filtration is realized, and the entering of dust is further reduced.

The working principle is as follows: the first output shaft 4 can rotate under the driving of the main shaft 3, at the moment, the first output shaft 4 drives the U-shaped rod 13 to rotate, the U-shaped rod 13 drives the piston block 7 to move up and down along the fixed pipe 6 through the pulling rod 12, when the piston block 7 moves upwards, a negative pressure state is formed in the fixed pipe 6, at the moment, outside air enters the fixed pipe 6 through the through hole 16 and the connecting pipe 8, after the piston block 7 moves to be separated from the airflow hole 19, the air in the fixed pipe 6 is communicated with the airflow in the two outer shells 1, when the piston block 7 moves downwards, the air flow hole 19 is blocked, and the air flow in the fixed pipe 6 is extruded and discharged from the through opening 16 through the connecting pipe 8, at piston block 7 in-process that constantly reciprocates, can make inside and outside air current through fixed pipe 6 exchange, and first output shaft 4 rotates faster, and the air current velocity of flow is faster, and the radiating effect is better, avoids influencing the just productive work of drive rear axle because of the temperature risees in the shell body 1.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an old person is with dish drive rear axle of stopping, includes two shell bodies (1) and sets up differential mechanism body (2) inside two shell bodies (1), its characterized in that: the top parts of the two outer shells (1) are connected with a main shaft (3) in a penetrating and rotating mode, the bottom of the main shaft (3) is connected with a first output shaft (4) through a transmission mechanism, one end of the first output shaft (4) penetrates through the outer shells (1) and extends outwards, the first output shaft (4) is connected with a differential mechanism body (2) through a connecting shaft, the output end of the differential mechanism body (2) is connected with a second output shaft (5), and the second output shaft (5) penetrates through the outer shells (1) and extends outwards;

one of them shell body (1) inside wall fixedly connected with fixed pipe (6), a plurality of air current holes (19) have been seted up to fixed pipe (6) inside wall, fixed pipe (6) inside wall sliding connection has piston piece (7), piston piece (7) are connected with first output shaft (4) through pulling mechanism, fixed pipe (6) bottom is run through and two connecting pipes (8) of fixedly connected with, two shell body (1) lateral wall all is connected with the exhaust mechanism with connecting pipe (8) looks adaptation.

2. The disc brake driving rear axle for the aged according to claim 1, wherein: the transmission mechanism comprises a first bevel gear (9) fixedly sleeved on the outer side wall of the main shaft (3), and a second bevel gear (10) meshed with the first bevel gear (9) is fixedly sleeved on the outer side wall of the first output shaft (4).

3. The disc brake driving rear axle for the aged according to claim 1, wherein: the two outer shells (1) are fixedly connected through a plurality of locking bolts (11).

4. The disc brake driving rear axle for the aged according to claim 1, wherein: the pulling mechanism comprises a pulling rod (12) rotatably connected with the piston block (7), a U-shaped rod (13) is arranged above the pulling rod (12), the pulling rod (12) is rotatably sleeved on the outer side wall of the U-shaped rod (13), and the U-shaped rod (13) is fixedly connected to the outer side wall of the first output shaft (4).

5. The disc brake driving rear axle for the aged according to claim 4, wherein: one end of the connecting shaft is fixedly connected with the U-shaped rod (13), and the other end of the connecting shaft is connected with the input end of the differential mechanism body (2).

6. The disc brake driving rear axle for the aged according to claim 1, wherein: exhaust mechanism includes external screw thread pipe (14) of fixed connection on shell body (1) inside wall, connecting pipe (8) bottom fixedly connected with internal thread pipe (15), internal thread pipe (15) and external screw thread pipe (14) inside wall threaded connection, shell body (1) inside wall set up with external screw thread pipe (14) looks adaptation run through mouthful (16), run through mouthful (16) inside wall from outer fixedly connected with one-level filter screen (17) and second grade filter screen (18) in proper order to interior.