CN215370903U

CN215370903U - Differential mechanism

Info

Publication number: CN215370903U
Application number: CN202022956991.4U
Authority: CN
Inventors: 原波
Original assignee: Xiangyang Chixin Machinery Co ltd
Current assignee: Xiangyang Chixin Machinery Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-12-31
Anticipated expiration: 2030-12-09

Abstract

The utility model discloses a differential, which comprises an external assembly, wherein the external assembly comprises a differential body, a first opening, a second opening and a third opening are arranged on the differential body, an oil hole is formed in the upper end of the differential body, an oil plug matched with the oil hole is arranged on the oil hole, an internal assembly is arranged in the differential body, the internal assembly comprises a transmission shaft penetrating through the first opening in the differential body, one end, close to the inside of the differential body, of the transmission shaft is fixedly connected with a driving gear, and the driving gear is meshed with the surface of a driven gear arranged in the differential body; the utility model solves the problems that the traditional differential with the automatic locking function is not convenient to inject lubricating oil, the dropping lubricating oil after the lubricating oil is injected can affect the performance of an automobile, and a good collecting device is not available.

Description

Differential mechanism

Technical Field

The utility model relates to the technical field of differentials, in particular to a differential.

Background

The automobile differential mechanism can realize a mechanism that left and right (or front and rear) driving wheels rotate at different rotating speeds. Mainly comprises a left half shaft gear, a right half shaft gear, two planet gears and a gear carrier. The function is that when the automobile turns or runs on an uneven road surface, the left wheel and the right wheel roll at different rotating speeds, namely, the pure rolling motion of the driving wheels at two sides is ensured. The differential is provided for adjusting the difference in the rotational speeds of the left and right wheels. In four-wheel drive, all the wheels must be connected to drive four wheels, if the four wheels are mechanically connected, the vehicle cannot rotate at the same speed when the vehicle runs on a curve, and in order to make the curve running rotation speed of the vehicle substantially consistent, an intermediate differential is added to adjust the rotation speed difference between the front wheel and the rear wheel.

The slow phenomenon easily takes place for the differential mechanism that has automatic locking function in the traditional market when using for a long time, influences the availability factor, and the differential mechanism that wherein has automatic locking function often is not convenient for pour into lubricating oil into, and pours into lubricating oil back drippage and can influence the car performance, does not have a good collection device, and for this reason, we provide a differential mechanism.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a differential mechanism, which solves the problems that the conventional differential mechanism with an automatic locking function in the market proposed in the background art is prone to generating a slow phenomenon when being used for a long time, and affects use efficiency, wherein the differential mechanism with the automatic locking function is not convenient to inject lubricating oil, and the lubricating oil dropping after the lubricating oil is injected may affect vehicle performance, and does not have a good collection device.

In order to achieve the purpose, the utility model provides the following technical scheme: a differential mechanism comprises an external assembly, the external assembly comprises a differential mechanism body, the differential mechanism body is provided with a first opening, a second opening and a third opening, the upper end of the differential mechanism body is provided with an oil hole, the oil hole is provided with an oil plug matched with the oil hole, the differential mechanism body is internally provided with an internal assembly, the internal assembly comprises a transmission shaft penetrating in the first opening on the differential mechanism body, one end of the transmission shaft close to the inside of the differential mechanism body is fixedly connected with a driving gear, the driving gear is meshed with the surface of a driven gear arranged in the differential mechanism body, the surface of the driven gear is symmetrically and fixedly connected with a connecting plate, a connecting rod penetrates on the connecting plate, the opposite end of the connecting rod is fixedly connected with a first gear, and the first gear is meshed with a second gear, the second gear is fixedly connected to one end of the first output shaft, the first output shaft is movably arranged in a circular hole formed in the middle of the driven gear in a penetrating mode, the other end of the first output shaft extends to the outside of the second opening, the first gear is meshed with the third gear, the third gear is fixedly connected to one end of the second output shaft, the second output shaft is arranged inside the third opening, the second output shaft extends to the outside of the third opening, and the oil collecting tank is formed in the bottom of the differential mechanism body.

As a further scheme of the utility model, the oil collecting groove and the oil hole correspond to each other in position on the differential mechanism body.

As a further scheme of the utility model, one end of the first opening, which is far away from the differential body, is fixedly connected with a first connecting ring, a first sound insulation sponge is fixed on the surface of one end of the first connecting ring, which is far away from the first opening, a first fixing bolt is screwed on the surface of one side, which is far away from the first connecting ring, of the first sound insulation sponge, the first fixing bolt sequentially penetrates through the first sound insulation sponge and the first connecting ring, and a first limiting ring which is abutted against the first connecting ring is screwed on the first fixing bolt.

As a further aspect of the present invention, the first connection ring has the same shape and size as the first soundproof sponge.

As a further aspect of the present invention, a second connecting ring is fixedly connected to one end of the second opening, which is far away from the differential body, a second sound-insulating sponge is fixedly connected to a surface of one end of the second connecting ring, which is far away from the second opening, a second fixing bolt is screwed to a surface of one side of the second sound-insulating sponge, which is far away from the second connecting ring, the second fixing bolt sequentially penetrates through the second sound-insulating sponge and the second connecting ring, and a second limiting ring, which abuts against the second connecting ring, is screwed to the second fixing bolt.

As a further aspect of the present invention, the second connection ring has the same shape and size as the second soundproof sponge.

As a further aspect of the present invention, a third connecting ring is fixedly connected to one end of the third opening, which is far away from the differential body, a third sound-insulating sponge is fixedly connected to a surface of one end of the third connecting ring, which is far away from the third opening, a third fixing bolt is screwed to a surface of one side of the third sound-insulating sponge, which is far away from the third connecting ring, the third fixing bolt once penetrates through the third sound-insulating sponge and the third connecting ring, and a third limiting ring, which abuts against the third connecting ring, is screwed to the third fixing bolt.

As a further aspect of the present invention, the third connection ring and the third soundproof sponge have the same shape and size.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the oil hole is formed in the differential body, when lubricating oil is added to the differential body, the oil plug can be drawn out, the lubricating oil is injected into the internal assembly in the differential body through the oil hole, the integral lubrication of the internal assembly is improved, and the working efficiency is improved, wherein the oil collecting tank is formed in the bottom in the differential, when the internal assembly is lubricated, redundant lubricating oil can drip into the oil collecting tank, so that the later concentrated cleaning is facilitated, and through the matching use of the oil hole and the oil collecting tank, the problems that the traditional differential with an automatic locking function is not convenient to inject the lubricating oil, the dripping lubricating oil after the lubricating oil is injected can affect the automobile performance, and a good collecting device is not provided are solved.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the internal structural connection of the present invention;

fig. 4 is a schematic view of a second fixing bolt connection according to the present invention.

In the figure: 100. an external component; 101. a differential body; 102. a second opening; 112. a second connection ring; 122. a second sound-insulating sponge; 132. a second fixing bolt; 142. a second limit ring; 103. a first opening; 113. a first connecting ring; 123. a first sound-insulating sponge; 133. a first fixing bolt; 143. a first limit ring; 104. a third opening; 114. a third connecting ring; 124. a third sound-insulating sponge; 134. a third limit ring; 144. a third fixing bolt; 200. an oil hole; 210. an oil plug; 220. an oil sump; 300. An internal component; 301. a drive shaft; 302. a driving gear; 303. a second output shaft; 304. a third gear; 305. a first output shaft; 306. a first gear; 307. a driven gear; 308. a connecting plate; 309. A connecting rod; 310. a second gear.

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. 1-4, the present invention provides a technical solution: the utility model provides a differential mechanism, including external component 100, external component 100 includes differential mechanism body 101, be provided with first opening 103 on the differential mechanism body 101, second opening 102 and third opening 104, the first connecting ring 113 of one end fixed connection of differential mechanism body 101 is kept away from to first opening 103, the end fixed surface that first opening 103 was kept away from to first connecting ring 113 has first syllable-dividing sponge 123, it has first fixing bolt 133 to be located the first side surface spiro union that first syllable-dividing sponge 123 kept away from first connecting ring 113, first fixing bolt 133 runs through first syllable-dividing sponge 123 in proper order, first connecting ring 113, it has first spacing ring 143 with first connecting ring 113 looks butt to be located the spiro union on first fixing bolt 133, first connecting ring 113 is the same with first syllable-dividing sponge 123 shape size.

A second connecting ring 112 is fixedly connected to one end, away from the differential body 101, of the second opening 102, a second sound insulation sponge 122 is fixedly connected to one end surface, away from the second opening 102, of the second connecting ring 112, a second fixing bolt 132 is screwed to one side surface, away from the second connecting ring 112, of the second sound insulation sponge 122, the second fixing bolt 132 sequentially penetrates through the second sound insulation sponge 122 and the second connecting ring 112, a second limiting ring 142 is screwed to the second fixing bolt 132 and abuts against the second connecting ring 112, and the second connecting ring 112 and the second sound insulation sponge 122 are identical in shape and size.

A third connecting ring 114 is fixedly connected to one end, away from the differential body 101, of the third opening 104, a third sound insulation sponge 124 is fixedly connected to the surface of one end, away from the third opening 104, of the third connecting ring 114, a third fixing bolt 144 is screwed to the surface of one side, away from the third connecting ring 114, of the third sound insulation sponge 124, the third fixing bolt 144 penetrates through the third sound insulation sponge 124 and the third connecting ring 114 for one time, a third limiting ring 134 abutting against the third connecting ring 114 is screwed to the third fixing bolt 144, and the third connecting ring 114 and the third sound insulation sponge 124 are the same in shape and size.

Through at first connecting ring 113, second connecting ring 112 and the corresponding fixedly connected with first sound insulation sponge 123 in third connecting ring 114 surface, second sound insulation sponge 122 and third sound insulation sponge 124, first sound insulation sponge 123, second sound insulation sponge 122 and third sound insulation sponge 124 guarantee that differential mechanism body 101 is at the inside noise reduction of during operation, avoid the crowd that the too big influence goes to the driving, build the comfort level of driving, wherein first sound insulation sponge 123, second sound insulation sponge 122 and third sound insulation sponge 124 play certain sealed effect, prevent that external dust debris from getting into differential mechanism body 101 inside, guarantee the inside safety of differential mechanism body 101, avoid the work efficiency of differential mechanism body 101 to receive the influence.

The upper end of the differential body 101 is provided with an oil hole 200, the oil hole 200 is provided with an oil plug 210 matched with the oil hole 200, the differential body 101 is internally provided with an internal assembly 300, the internal assembly 300 comprises a transmission shaft 301 arranged in a first opening 103 on the differential body 101 in a penetrating way, one end of the transmission shaft 301 close to the inside of the differential body 101 is fixedly connected with a driving gear 302, the driving gear 302 is meshed with the surface of a driven gear 307 arranged in the differential body 101, the surface of the driven gear 307 is symmetrically and fixedly connected with a connecting plate 308, a connecting rod 309 is arranged on the connecting plate 308 in a penetrating way, the opposite end of the connecting rod 309 is fixedly connected with a first gear 306, the first gear 306 is meshed with a second gear 310, the second gear 310 is fixedly connected with one end of a first output shaft 305, the first output shaft 305 is movably arranged in a round hole arranged in the middle of the driven gear 307, and the other end of the first output shaft 305 extends to the outside of the second opening 102, the first gear 306 is engaged with the third gear 304, the third gear 304 is fixedly connected to one end of the second output shaft 303, the second output shaft 303 is arranged inside the third opening 104, the second output shaft 303 extends to the outside of the third opening 104, an oil collecting tank 220 is arranged at the bottom in the differential body 101, and the oil collecting tank 220 corresponds to the oil hole 200 in the differential body 101.

Through having seted up oilhole 200 on differential mechanism body 101, when adding lubricating oil to differential mechanism body 101, oil plug 210 can take out, lubricating oil pours into the inner assembly 300 in differential mechanism body 101 through oilhole 200, improve the holistic lubrication of inner assembly 300, improve work efficiency, wherein oil trap 220 has been seted up to the bottom in the differential mechanism, when lubricating inner assembly 300, unnecessary lubricating oil can drip to inside oil trap 220, the later stage of being convenient for is concentrated the clearance, use through oilhole 200 and oil trap 220's cooperation, it often is not convenient for pour into lubricating oil to have solved the traditional differential mechanism that has automatic locking function, and the lubricating oil that drips after pouring into lubricating oil can influence the car performance, do not have a good collection device's problem.

The working principle is as follows: for the utility model, when in use, firstly, the oil hole 200 is arranged on the differential body 101, when lubricating oil is added to the differential body 101, the oil plug 210 can be drawn out, the lubricating oil is injected into the internal assembly 300 in the differential body 101 through the oil hole 200, the whole lubrication of the internal assembly 300 is improved, the working efficiency is improved, wherein the oil collecting groove 220 is arranged at the inner bottom of the differential, when the internal assembly 300 is lubricated, redundant lubricating oil can drip into the oil collecting groove 220, the later concentrated cleaning is convenient, the problem that the lubricating oil which drips after the lubricating oil is injected is not convenient to inject into the traditional differential with the automatic locking function and the automobile performance can be influenced by the lubricating oil which drips after the lubricating oil is injected is solved through the matching use of the oil hole 200 and the oil collecting groove 220, and the problem that a good collecting device does not exist, wherein the first sound insulation sponge 123, the second sound insulation sponge and the third sound insulation sponge are correspondingly and fixedly connected to the surfaces of the first connecting ring 113, the second connecting ring 112 and the third connecting ring 114, Second sponge 122 and the third sponge 124 that gives sound insulation give sound insulation, first sponge 123 that gives sound insulation, second sponge 122 and the third sponge 124 that gives sound insulation guarantee that differential mechanism body 101 reduces at the inside noise of during operation, avoid the crowd that the too big influence was driven, build the comfort level of driving, last first sponge 123 that gives sound insulation, second sponge 122 and the third sponge 124 that gives sound insulation play certain sealed effect, prevent that external dust debris from getting into differential mechanism body 101 inside, guarantee the inside safety of differential mechanism body 101, the work efficiency of avoiding differential mechanism body 101 receives the influence.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A differential, comprising an outer assembly (100), characterized by: the outer assembly (100) comprises a differential body (101), a first opening (103), a second opening (102) and a third opening (104) are formed in the differential body (101), an oil hole (200) is formed in the upper end of the differential body (101), an oil plug (210) matched with the oil hole (200) is arranged on the oil hole (200), an inner assembly (300) is arranged inside the differential body (101), the inner assembly (300) comprises a transmission shaft (301) penetrating through the first opening (103) in the differential body (101), one end, close to the inside of the differential body (101), of the transmission shaft (301) is fixedly connected with a driving gear (302), the driving gear (302) is meshed with the surface of a driven gear (307) arranged inside the differential body (101), and connecting plates (308) are symmetrically and fixedly connected with the surface of the driven gear (307), a connecting rod (309) is arranged on the connecting plate (308) in a penetrating way, one end of the connecting rod (309) opposite to the connecting rod is fixedly connected with a first gear (306), the first gear (306) is engaged with a second gear (310), the second gear (310) is fixedly connected with one end of a first output shaft (305), the first output shaft (305) is movably arranged in a round hole arranged in the middle of the driven gear (307) in a penetrating way, and the other end of the first output shaft (305) extends to the outside of the second opening (102), the first gear (306) is meshed with a third gear (304), the third gear (304) is fixedly connected to one end of a second output shaft (303), the second output shaft (303) is disposed inside the third opening (104), and the second output shaft (303) extends to the outside of the third opening (104), and an oil collecting tank (220) is arranged at the bottom in the differential mechanism body (101).

2. A differential according to claim 1, wherein: the oil collecting groove (220) corresponds to the oil hole (200) in the position of the differential body (101).

3. A differential according to claim 1, wherein: first opening (103) keep away from the first connecting ring (113) of one end fixed connection of differential mechanism body (101), the one end fixed surface that first opening (103) were kept away from in first connecting ring (113) has first syllable-dividing sponge (123), is located one side surface spiro union that first connecting ring (113) were kept away from in first syllable-dividing sponge (123) has first fixing bolt (133), first fixing bolt (133) run through first syllable-dividing sponge (123), first connecting ring (113) in proper order, are located spiro union on first fixing bolt (133) with first spacing ring (143) of first connecting ring (113) looks butt.

4. A differential according to claim 3, wherein: the first connecting ring (113) and the first sound insulation sponge (123) are the same in shape and size.

5. A differential according to claim 1, wherein: one end fixedly connected with second go-between (112) that differential mechanism body (101) was kept away from in second opening (102), one end fixed surface that second opening (102) was kept away from in second go-between (112) is connected with second sound insulation sponge (122), is located one side surface spiro union that second go-between (112) was kept away from in second sound insulation sponge (122) has second fixing bolt (132), second fixing bolt (132) run through second sound insulation sponge (122), second go-between (112) in proper order, lie in on second fixing bolt (132) spiro union have with second spacing ring (142) of second go-between (112) looks butt.

6. A differential according to claim 5, wherein: the second connecting ring (112) and the second sound insulation sponge (122) are the same in shape and size.

7. A differential according to claim 1, wherein: the differential mechanism is characterized in that one end, far away from the differential mechanism body (101), of the third opening (104) is fixedly connected with a third connecting ring (114), one end, far away from the third opening (104), of the third connecting ring (114) is fixedly connected with a third sound insulation sponge (124), a third fixing bolt (144) is screwed on one side surface, far away from the third connecting ring (114), of the third sound insulation sponge (124), the third fixing bolt (144) penetrates through the third sound insulation sponge (124) and the third connecting ring (114) for one time, and a third limiting ring (134) which is connected with the third connecting ring (114) in a screwed mode is arranged on the third fixing bolt (144).

8. A differential according to claim 7, wherein: the third connecting ring (114) and the third sound insulation sponge (124) are the same in shape and size.