CN110285202B - Pneumatic locking differential mechanism - Google Patents
Pneumatic locking differential mechanism Download PDFInfo
- Publication number
- CN110285202B CN110285202B CN201910634495.6A CN201910634495A CN110285202B CN 110285202 B CN110285202 B CN 110285202B CN 201910634495 A CN201910634495 A CN 201910634495A CN 110285202 B CN110285202 B CN 110285202B
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- gear
- base
- shell
- groove
- locking
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- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 20
- 238000000926 separation method Methods 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
- F16H48/24—Arrangements for suppressing or influencing the differential action, e.g. locking devices using positive clutches or brakes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/38—Constructional details
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention discloses a pneumatic locking differential mechanism, which comprises a shell and a base, wherein one end of the shell is provided with a cavity, the base is arranged at a port of the cavity, a transmission mechanism is arranged in the cavity, the transmission mechanism comprises a first half shaft gear and a second half shaft gear which are coaxially arranged, the first half shaft gear and the second half shaft gear are connected through a transmission gear, the shell and the base are also provided with shaft holes coaxial with the first half shaft gear and the second half shaft gear in the axial direction, one end of the shell far away from the base is provided with a shaft sleeve part, the outer diameter of the shaft sleeve part is smaller than the outer diameter of the shell, the shaft sleeve part is sleeved with a pneumatic driving piece, and the shell is also provided with a pushing piece; one end of the pushing piece is matched with the pneumatic driving piece, and the other end of the pushing piece is matched with the locking mechanism; the gas only moves in the driving piece, and the gas moves inside the driving piece to drive the piston to move so as to drive other parts to move, so that the possibility of gas leakage can be reduced.
Description
Technical Field
The invention belongs to the technical field of differentials, and particularly relates to a pneumatic locking differential.
Background
The differential is a mechanism that enables the left, right or front and rear drive wheels to rotate at different speeds. The rolling mechanism has the function of enabling the left wheel and the right wheel to roll at different rotating speeds when the automobile turns or runs on uneven road surfaces, namely ensuring that the driving wheels at two sides do pure rolling movement. However, for off-road vehicles, the ground on which the vehicle is generally driven is uneven, so that when two front wheels are located at different heights, the higher front wheels are suspended and rotated due to the principle of a differential mechanism, and the vehicle cannot move forward. Therefore, the differential mechanism does not have a differential function because the locking mechanism is required to perform locking, so that the differential mechanism can run on uneven ground.
Just like the differential lock described in the patent number 2016200666638 and entitled a novel pneumatic locking differential lock, it is known that the driving member is sleeved on the base, the driving member and the base are both provided with openings, and the patent discloses that the driving member is connected with a pipeline and enters the pipeline, then the gas is input from the driving member to the base through the openings, and then the locking ring is driven to move so as to lock, so that the driving member is mainly used for connecting and realizing the ventilation effect, namely, the gas moves back and forth between the two parts, thus air leakage is caused due to the fact that the sealing is not good, and meanwhile, gaps are generated between the driving member and the base due to the fact that the driving member and the base rotate mutually, so that the air leakage is caused.
Disclosure of Invention
The invention aims to provide a pneumatic locking differential, which overcomes the defect that in the prior art, sealing abrasion is easy to occur due to the fact that a slip ring sleeving mode exists in a gas circuit, gas circuit leakage is caused, a pneumatic driver is movably sleeved outside a shell, a sliding sleeve is not arranged in a gas circuit channel, a connecting structure is not arranged in the gas circuit channel, a static part is driven to drive a rotating part through sliding of a push rod on the back of a piston, a driving part drives the piston to move through gas circuit air inlet, and a pushing part is driven to push a locking ring to move so as to realize a clutch function, so that the problem of insufficient stability of the conventional pneumatic locking differential is solved.
The following technical scheme is adopted for realizing the purposes:
The utility model provides a pneumatic locking differential mechanism, includes casing and base, a cavity has been seted up to casing one end, and the base sets up the port department at this cavity be provided with drive mechanism in the cavity, drive mechanism including coaxial side gear one and side gear two that set up, pass through drive gear hookup between side gear one and the side gear two, still seted up on casing and base with side gear one and the coaxial shaft hole of side gear two axial, its characterized in that: the one end that the base was kept away from to the casing be provided with the axle sleeve portion, the external diameter of axle sleeve portion is less than the external diameter of casing, the axle sleeve portion on the cover be equipped with pneumatic driver, still be provided with the impeller on the casing, impeller one end cooperates with pneumatic driver, the other end cooperates with locking mechanism, locking mechanism and semi-axis gear one or semi-axis gear two cooperate, locking mechanism setting realizes the locking and the separation of casing and semi-axis gear one or semi-axis gear two between casing and semi-axis gear one or semi-axis gear two, pneumatic driver passes through impeller drive locking mechanism action control casing and semi-axis gear one or semi-axis gear two's clutch state.
The locking mechanism comprises a locking ring which is sleeved on the periphery of the first side gear and is accommodated in the cavity, the locking ring can axially move in the cavity, an anti-rotation structure is arranged between the locking ring and the inner wall of the cavity, and a clutch structure is arranged between the locking ring and the first side gear.
The anti-rotation structure comprises an outer tooth key arranged at the outer edge of the locking ring and an inner tooth key arranged on the inner wall of the cavity.
The clutch structure comprises an outer clutch tooth arranged at one outer edge of the half-shaft gear close to one end of the base and an inner clutch tooth arranged at the inner side of the locking ring, wherein the inner clutch tooth and the outer clutch tooth can be mutually meshed, one section of toothless part is reserved at one end of the outer edge of the half-shaft gear far away from the base, a reset part is further arranged between the end face of the first half-shaft gear and the end face of the base, and the reset part applies acting force far away from the base to the locking ring.
The reset component is an annular corrugated spring.
An annular air groove is formed in the end face, facing the base, of the pneumatic driving piece, an air inlet channel is formed in the pneumatic driving piece and communicated with the annular air groove, the air inlet end of the air inlet channel is connected with a high-pressure air source through a pipeline and a control valve, and a piston is arranged in the annular air groove; the piston seals the port of the annular air groove to form an annular air chamber.
The pushing piece is a plurality of axially arranged ejector rods, the plurality of ejector rods are symmetrically distributed by taking the shaft hole of the shell or the base as a center, the ejector rods axially penetrate through the shell, one end of each ejector rod abuts against the locking ring, and the other end of each ejector rod abuts against the piston.
The two sides of the inner wall of the annular air groove are respectively provided with a first groove and a second groove, the first groove and the second groove are respectively provided with a first sealing ring and a second sealing ring, and the first sealing ring and the second sealing ring respectively lean against the inner side and the outer side of the piston.
An outer clamping ring groove is formed in the outer edge of the shaft sleeve part, an inner clamping ring groove is formed in the inner wall of the pneumatic driving piece, a clamping ring is arranged between the inner clamping ring groove and the outer clamping ring groove, and the pneumatic driving piece is rotatably fixed on the shaft sleeve part of the shell through the clamping ring.
The transmission gears comprise four planetary gears, the four planetary gears are in a group, the planetary gears in the same group are coaxially arranged on two sides of the connecting piece, the two groups of planetary gears are axially heavy and straight mutually, and the half-shaft gear I and the half-shaft gear II are distributed on two sides of the connecting piece and meshed with the planetary gears.
The driving piece of the invention is driven to move by driving the piston through air inlet of the pipeline so as to drive the driving piece to push the locking ring, and the locking ring is sleeved on the half-shaft gear I so as to lock, thus the driving piece does not play the roles of connecting and realizing ventilation like the prior art, namely, gas moves back and forth between two parts, but only flows in the driving piece, the driving piece can relatively drive and slide, the piston moving at the inner side of the driving piece drives the driving piece to axially move, locking and separating of the differential are realized, and the air channel only has the air channel fixed in the driving piece, so that leakage of gas can be avoided as long as the sealing effect between the piston and the annular air channel is ensured, and the piston and the annular air channel only have symmetrical movement during locking action, so that the invention can greatly improve the stability and reliability of the differential.
In addition, compared with the prior art, the invention does not affect the volume of the related parts of the base, namely, the size of the related parts of the base is correspondingly thinned when the driving piece is arranged on the base because the center of the internal gear rack is fixed. The novel use is arranged on the shell, so that the volume of relevant parts of the base cannot be influenced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an exploded schematic view of the present invention;
FIG. 3 is a schematic view of the housing and the locking ring and driver;
FIG. 4 is a schematic view of the internal structure of the driving member;
FIG. 5 is an enlarged schematic view of the structure of FIG. 4A;
FIG. 6 is a schematic illustration of the configuration of the side gear one and the locking ring;
FIG. 7 is an enlarged schematic view of the structure of FIG. 6B;
FIG. 8 is a schematic view of the housing and the driving member;
FIG. 9 is an enlarged schematic view of the structure of C in FIG. 8;
FIG. 10 is a schematic view of the structure of the transfer gear and the side gear;
FIG. 11 is a schematic structural view of an annular corrugated spring;
In the figure: 1-a housing; 2-a base; 3-a pneumatic drive; 4-pushing piece; 5-side gear one; 6-locking ring; 7-a pipeline; 8-outer clutch teeth; 9-inner clutch teeth; 10-external tooth key; 11-inner tooth key; 12-annular corrugated springs; 13-a piston; 4-connecting piece; 15-an annular air groove; 16-groove one; 17-groove II; 18-a first sealing ring; 19-a second sealing ring; 20-snap ring grooves; 21-snap ring; 22-planetary gears; 23-a gasket; 24-connecting piece; 25-a second side gear; 26-connecting holes; 27-planetary shaft; 28-assembly holes.
Detailed Description
As shown in fig. 1-11, a pneumatic locking differential mechanism comprises a casing 1 and a base 2, wherein a cavity is formed at one end of the casing 1, the base 2 is arranged at the port of the cavity, a transmission mechanism is arranged in the cavity, the transmission mechanism comprises a first half-shaft gear 5 and a second half-shaft gear 25 which are coaxially arranged, the first half-shaft gear 5 and the second half-shaft gear 25 are connected through the transmission gear, shaft holes which are axially coaxial with the first half-shaft gear 5 and the second half-shaft gear 25 are also formed in the casing and the base, a shaft sleeve part is arranged at one end of the casing 1 far away from the base 2, the outer diameter of the shaft sleeve part is smaller than the outer diameter of the casing, a pneumatic driving part 3 is sleeved on the shaft sleeve part, and a pushing part 4 is further arranged on the casing; one end of the pushing piece (4) is matched with the pneumatic driving piece (3), and the other end of the pushing piece is matched with the locking mechanism.
An annular air groove 15 is formed in the end face, facing the base 2, of the pneumatic driving piece 3, an air inlet channel is formed in the pneumatic driving piece 3 and communicated with the annular air groove, and the air inlet end of the air inlet channel is connected with a high-pressure air source through a pipeline 7 and a control valve; a piston 13 is arranged in the annular air groove 15; the piston 13 seals the port of the annular air groove 15 to form an annular air chamber therein.
The locking mechanism is matched with the first half gear 5 and comprises a locking ring 6, the locking ring 6 is sleeved on the periphery of the first half gear 5 and is accommodated in the cavity, the locking ring can axially move in the cavity, an anti-rotation structure is arranged between the locking ring and the inner wall of the cavity, and a clutch structure is arranged between the locking ring 6 and the first half gear 5; the anti-rotation structure comprises an outer tooth key 10 arranged on the outer edge of the locking ring 6 and an inner tooth key 11 arranged on the inner wall of the cavity.
The clutch structure comprises an outer clutch tooth 8 arranged at one end, close to the base, of the outer edge of the first half shaft gear 5 and an inner clutch tooth 9 arranged at the inner side of the locking ring 6, wherein the inner clutch tooth 9 and the outer clutch tooth 8 can be mutually meshed, a section of toothless part is reserved at one end, far away from the base, of the outer edge of the first half shaft gear 5, an annular corrugated spring is further arranged between the first half shaft gear 5 and the end face of the base, and the annular corrugated spring applies acting force, far away from the base, to the locking ring.
The pushing piece 4 is a plurality of axially arranged ejector rods, the plurality of ejector rods are symmetrically distributed by taking the shaft hole of the shell or the base as a center, and the ejector rods axially penetrate through the shell; one end of the ejector rod is abutted against the locking ring 6, and the other end is abutted against the piston 13. The pneumatic driving piece 3 drives the locking mechanism to act through the ejector rod so as to control the clutch state of the shell and the half-shaft gear I5.
The two sides of the inner wall of the annular air groove 15 are respectively provided with a first groove 16 and a second groove 17, the first groove 16 and the second groove 17 are respectively provided with a first sealing ring 18 and a second sealing ring 19, and the first sealing ring 18 and the second sealing ring 19 respectively lean against the inner side and the outer side of the piston 13.
An outer clamping ring groove 20 is formed in the outer edge of the shaft sleeve part, an inner clamping ring groove is formed in the inner wall of the pneumatic driving piece 3, a clamping ring 21 is arranged between the inner clamping ring groove and the outer clamping ring groove, and the pneumatic driving piece 3 is rotatably fixed on the shaft sleeve part of the shell 1 through the clamping ring.
The transmission gears comprise four planetary gears 22, the four planetary gears 22 are arranged in pairs, the planetary gears of the same group are coaxially arranged at two sides of the connecting piece 14, the two groups of planetary gears are mutually and axially heavy, the half-shaft gears I5 and II 25 are distributed at two sides of the connecting piece 14, and the parallel planetary gears 22 are meshed with each other.
The working process of the invention is as follows:
When the high-pressure gas of the high-pressure gas source enters the annular gas groove 15 through the pipeline 7 and the internal channel of the pneumatic driving piece 3, the high-pressure gas moves to one side of the base after pushing the piston 13, the piston 13 drives the ejector rod to push the locking ring 6 to the base, the locking ring 6 moves to one side of the base, so that the inner clutch teeth 9 and the outer clutch teeth 8 can be meshed with each other, and the outer tooth key 10 at the outer edge of the locking ring 6 is meshed with the inner tooth key 11 at the inner wall of the cavity, so that the locking ring 6 locks the shell 1 and the half-shaft gear I5.
When the high-pressure gas is withdrawn, the locking ring 6 is reset under the action of the annular corrugated spring, and the piston is compressed by the ejector rod, so that the inner clutch teeth 9 and the outer clutch teeth 8 can be separated from each other, and the locking state of the shell 1 and the half-shaft gear one 5 is released.
The pneumatic air path is limited to a channel inside the pneumatic driving piece 3, the pneumatic driving piece is a fixed part which does not rotate when in work, the only moving part is the piston 13 in the annular air groove 15 in the pneumatic transmission process, sealing rings are additionally arranged on two sides of the two pistons 13, the pistons only act when in locking, the movement frequency is low, the movement distance is short, the abrasion is extremely low in normal work, even if the sealing abrasion occurs, the pneumatic driving piece 3 is movably sleeved outside the shaft sleeve part of the shell, the pneumatic driving piece 3 can be directly separated from the shaft sleeve part in the axial direction by removing the clamping ring 21, and the piston or the sealing piece is replaced and maintained, so that the pneumatic driving piece is high in reliability and convenient to maintain and replace parts.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (8)
1. The utility model provides a pneumatic locking's differential mechanism, includes casing (1) and base (2), a cavity has been seted up to casing (1) one end, and the port department of this cavity is provided with drive mechanism in base (2) the cavity, drive mechanism include half-shaft gear one (5) and half-shaft gear two (25), connect through drive gear between half-shaft gear one (5) and half-shaft gear two (25), still seted up on casing and base with half-shaft gear one (5) and half-shaft gear two (25) axial coaxial shaft hole, its characterized in that: one end of the shell (1) far away from the base (2) is provided with a shaft sleeve part, the outer diameter of the shaft sleeve part is smaller than the outer diameter of the shell, the shaft sleeve part is sleeved with a pneumatic driving piece (3), the shell is also provided with a pushing piece (4), one end of the pushing piece (4) is matched with the pneumatic driving piece (3), the other end of the pushing piece is matched with a locking mechanism, the locking mechanism is arranged between the shell and the first half gear (5) or the second half gear (25) to realize locking and separation of the shell and the first half gear (5) or the second half gear (25), and the pneumatic driving piece (3) drives the locking mechanism to act to control the clutch state of the shell and the first half gear (5) or the second half gear (25) through the pushing piece (4); an annular air groove (15) is formed in the end face, facing the base (2), of the pneumatic driving piece (3), an air inlet channel is formed in the pneumatic driving piece (3) and is communicated with the annular air groove, and the air inlet end of the air inlet channel is connected with a high-pressure air source through a pipeline and a control valve; a piston (13) is arranged in the annular air groove (15); the piston (13) seals the port of the annular air groove (15) to form an annular air chamber; the pushing piece (4) is a plurality of axially arranged ejector rods, the plurality of ejector rods are symmetrically distributed by taking the shaft hole of the shell or the base as a center, the ejector rods axially penetrate through the shell, one end of each ejector rod is abutted against the locking ring (6), and the other end of each ejector rod is abutted against the piston (13).
2. A pneumatically locked differential as claimed in claim 1, wherein: the locking mechanism comprises a locking ring (6), the locking ring (6) is sleeved on the periphery of the first half-shaft gear (5) and is accommodated in the cavity, the locking ring can axially move in the cavity, an anti-rotation structure is arranged between the locking ring and the inner wall of the cavity, and a clutch structure is arranged between the locking ring (6) and the first half-shaft gear (5).
3. A pneumatically locked differential as claimed in claim 2, wherein: the anti-rotation structure comprises an outer tooth key (10) arranged at the outer edge of the locking ring (6) and an inner tooth key (11) arranged on the inner wall of the cavity.
4. A pneumatically locked differential as claimed in claim 2, wherein: the clutch structure comprises an outer clutch tooth (8) arranged at the outer edge of the first half gear (5) close to one end of the base and an inner clutch tooth (9) arranged at the inner side of the locking ring (6), wherein the inner clutch tooth (9) and the outer clutch tooth (8) can be meshed with each other, one section of toothless part is reserved at one end of the outer edge of the first half gear (5) far away from the base, a reset part is further arranged between the first half gear (5) and the end face of the base, and the reset part applies acting force far away from the base to the locking ring.
5. A pneumatically locked differential as defined in claim 4, and further characterized by: the reset component is an annular corrugated spring.
6. A pneumatically locked differential as claimed in claim 1, wherein: the two sides of the inner wall of the annular air groove (15) are respectively provided with a first groove (16) and a second groove (17), a first sealing ring (18) and a second sealing ring (19) are arranged on the first groove (16) and the second groove (17), and the first sealing ring (18) and the second sealing ring (19) respectively lean against the inner side and the outer side of the piston (13).
7. A pneumatically locked differential as claimed in claim 1, wherein: an outer clamping ring groove (20) is formed in the outer edge of the shaft sleeve part, an inner clamping ring groove is formed in the inner wall of the pneumatic driving piece (3), a clamping ring (21) is arranged between the inner clamping ring groove and the outer clamping ring groove, and the pneumatic driving piece (3) is rotatably fixed on the shaft sleeve part of the shell (1) through the clamping ring.
8. A pneumatically locked differential as claimed in claim 1, wherein: the transmission gears comprise four planetary gears (22), the four planetary gears (22) are arranged in pairs, the planetary gears in the same group are coaxially arranged on two sides of the connecting piece (14), the two planetary gears are axially heavy and straight, the half-shaft gear I (5) and the half-shaft gear II (25) are distributed on two sides of the connecting piece (14), and the parallel planetary gears (22) are meshed with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910634495.6A CN110285202B (en) | 2019-07-15 | 2019-07-15 | Pneumatic locking differential mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910634495.6A CN110285202B (en) | 2019-07-15 | 2019-07-15 | Pneumatic locking differential mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110285202A CN110285202A (en) | 2019-09-27 |
| CN110285202B true CN110285202B (en) | 2024-04-26 |
Family
ID=68022937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910634495.6A Active CN110285202B (en) | 2019-07-15 | 2019-07-15 | Pneumatic locking differential mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110285202B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1379416A (en) * | 1971-12-23 | 1975-01-02 | Daimler Benz Ag | Locking differential for vehicles |
| JPH1016603A (en) * | 1996-07-02 | 1998-01-20 | Tochigi Fuji Ind Co Ltd | Differential device |
| US6432020B1 (en) * | 2000-08-10 | 2002-08-13 | Lazaro Rivera | Differential locking assembly |
| CN205331350U (en) * | 2016-01-22 | 2016-06-22 | 温岭市海风差速器有限公司 | Differential lock of pneumatic locking |
| CN205350248U (en) * | 2016-01-22 | 2016-06-29 | 温岭市海风差速器有限公司 | Novel differential lock of pneumatic locking |
| CN207554730U (en) * | 2017-12-14 | 2018-06-29 | 林江辉 | A kind of differential lock of pneumatic locking |
| CN208364727U (en) * | 2018-07-02 | 2019-01-11 | 重庆大学城市科技学院 | A kind of helical gear limited-slip differential |
| CN109372968A (en) * | 2018-12-13 | 2019-02-22 | 李世奇 | A kind of self-locking limited-slip differential |
| CN210344209U (en) * | 2019-07-15 | 2020-04-17 | 温岭市海风差速器有限公司 | Differential mechanism of pneumatic locking |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120244987A1 (en) * | 2011-03-21 | 2012-09-27 | Ring & Pinion Service, Inc. | Locking differential assembly |
-
2019
- 2019-07-15 CN CN201910634495.6A patent/CN110285202B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1379416A (en) * | 1971-12-23 | 1975-01-02 | Daimler Benz Ag | Locking differential for vehicles |
| JPH1016603A (en) * | 1996-07-02 | 1998-01-20 | Tochigi Fuji Ind Co Ltd | Differential device |
| US6432020B1 (en) * | 2000-08-10 | 2002-08-13 | Lazaro Rivera | Differential locking assembly |
| CN205331350U (en) * | 2016-01-22 | 2016-06-22 | 温岭市海风差速器有限公司 | Differential lock of pneumatic locking |
| CN205350248U (en) * | 2016-01-22 | 2016-06-29 | 温岭市海风差速器有限公司 | Novel differential lock of pneumatic locking |
| CN207554730U (en) * | 2017-12-14 | 2018-06-29 | 林江辉 | A kind of differential lock of pneumatic locking |
| CN208364727U (en) * | 2018-07-02 | 2019-01-11 | 重庆大学城市科技学院 | A kind of helical gear limited-slip differential |
| CN109372968A (en) * | 2018-12-13 | 2019-02-22 | 李世奇 | A kind of self-locking limited-slip differential |
| CN210344209U (en) * | 2019-07-15 | 2020-04-17 | 温岭市海风差速器有限公司 | Differential mechanism of pneumatic locking |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110285202A (en) | 2019-09-27 |
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