CN106949165B - Transmission gear clutch structure and transmission - Google Patents
Transmission gear clutch structure and transmission Download PDFInfo
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- CN106949165B CN106949165B CN201710247931.5A CN201710247931A CN106949165B CN 106949165 B CN106949165 B CN 106949165B CN 201710247931 A CN201710247931 A CN 201710247931A CN 106949165 B CN106949165 B CN 106949165B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 45
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Classifications
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- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D11/00—Clutches in which the members have interengaging parts
- F16D11/16—Clutches in which the members have interengaging parts with clutching members movable otherwise than only axially
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- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/12—Mechanical clutch-actuating mechanisms arranged outside the clutch as such
- F16D23/14—Clutch-actuating sleeves or bearings; Actuating members directly connected to clutch-actuating sleeves or bearings
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- 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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/083—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with radially acting and axially controlled clutching members, e.g. sliding keys
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- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D11/00—Clutches in which the members have interengaging parts
- F16D2011/008—Clutches in which the members have interengaging parts characterised by the form of the teeth forming the inter-engaging parts; Details of shape or structure of these teeth
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- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/12—Mechanical clutch-actuating mechanisms arranged outside the clutch as such
- F16D23/14—Clutch-actuating sleeves or bearings; Actuating members directly connected to clutch-actuating sleeves or bearings
- F16D2023/141—Clutch-actuating sleeves or bearings; Actuating members directly connected to clutch-actuating sleeves or bearings characterised by using a fork; Details of forks
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention belongs to the field of transmission design and manufacture, and particularly relates to a transmission gear clutch structure and a transmission. The side surface of the gear auxiliary tooth is designed to be an inclined surface, and the auxiliary tooth can generate certain axial force on the gear sleeve in the transmission process, so that the gear sleeve is prevented from falling off from the auxiliary tooth, and the problem of gear shift of the transmission is effectively avoided; in addition, the circular ring groove on the traditional shifting fork shaft is set into the V-shaped ring groove, so that the single-point contact between the positioning ball and the ring groove is changed into the two-point contact, and the abrasion rate of the positioning ball can be effectively reduced.
Description
Technical Field
The invention belongs to the field of transmission design and manufacture, and particularly relates to a transmission gear clutch structure and a transmission.
Background
The transmission mainly functions to change the output rotation speed of a driving part, generally by changing the gear ratio among gear sets, in the prior art, the form of the transmission mainly comprises a gear sliding type and a gear hub gear sleeve type, the gear sliding type is to change the gear ratio by changing the axial position of a multiple gear and meshing the multiple gear with different gears, and the gear hub gear sleeve type is to control the clutch relation between the gears and a rotating shaft through the gear sleeve and a gear hub, so as to control different gears to output power. The common drawback of both of the above transmissions is that: the positioning structure is prone to wear, resulting in gear hopout problems.
Disclosure of Invention
The invention aims to provide a transmission gear clutch structure and a transmission which are not easy to shift out.
In order to achieve the purpose, the invention provides the following technical scheme: a transmission gear clutch structure comprises a rotating shaft, a gear hub, a gear sleeve and a shifting fork; the gear is sleeved on the rotating shaft in an empty mode, and the gear hub is in interference fit with the rotating shaft; the gear is provided with auxiliary teeth with the same specification as the teeth on the gear hub; the inner ring surface of the gear sleeve is provided with inner teeth which can be embedded with the gear hub and the auxiliary teeth of the gear, and the gear sleeve is sleeved on the gear hub and the auxiliary teeth of the gear and can slide back and forth between the gear hub and the auxiliary teeth of the gear along the axial direction of the rotating shaft; when the gear sleeve is only positioned on the gear hub or the auxiliary teeth of the driving gear, the gear can freely rotate relative to the rotating shaft, and when the gear sleeve is positioned between the gear hub and the auxiliary teeth of the driving gear, the gear can synchronously rotate relative to the rotating shaft; at least one side ridge of the auxiliary tooth is gradually close to the central line of the auxiliary tooth from one end close to the tooth hub to one end far away from the tooth hub; the shifting fork is fixedly connected with the gear sleeve and used for driving the gear sleeve to slide.
The end part of the auxiliary tooth opposite to the tooth hub is provided with a guide surface which is gradually inclined from the side surface of the auxiliary tooth to the center of the end part of the auxiliary tooth; the end of the tooth on the gear hub opposite to the gear is provided with a guide surface with the same structure as the end of the auxiliary tooth.
The shifting fork is fixedly connected with a sliding sleeve, the sliding sleeve is sleeved on the shifting fork shaft and forms axial sliding fit with the shifting fork shaft, the shifting fork shaft and the rotating shaft are parallel to each other, a V-shaped ring groove is formed in the outer annular surface of the shifting fork shaft, a radial positioning hole is formed in the sliding sleeve, a positioning ball and a pressure spring are arranged in the radial positioning hole, the pressure spring can press the positioning ball in the V-shaped ring groove of the shifting fork shaft, the sliding sleeve is prevented from freely sliding, when the sliding sleeve is subjected to a large enough axial external force, the elastic force of the pressure spring can be overcome by the acting force between the positioning ball and the V-shaped ring groove, the positioning ball slides out of the V-shaped ring groove, and the sliding sleeve can slide relative to the shifting fork shaft along the axial direction.
A transmission includes the transmission gear clutch structure; the gear is provided with three first driving gears, a second driving gear and a third driving gear, the gear hub is provided with two first gear hubs and two second gear hubs, the gear sleeve is provided with two first gear sleeves and two second gear sleeves, the two shifting forks correspond to the two gear sleeves one by one and are arranged in a synchronous motion mode; the first driving gear, the second driving gear and the third driving gear are sequentially arranged along the axis direction of the input shaft, the first gear hub is positioned between the first driving gear and the second driving gear, the second gear hub is positioned between the second driving gear and the third driving gear, the auxiliary teeth of the first driving gear and the second driving gear are arranged adjacent to the first gear hub, and the auxiliary teeth of the third driving gear are arranged adjacent to the second gear hub; the first gear sleeve is arranged between the first driving gear, the secondary teeth of the second driving gear and the first gear hub in a sliding mode, and the second gear sleeve is arranged between the second gear hub and the secondary teeth of the third driving gear in a sliding mode; when the first gear sleeve is positioned between the auxiliary tooth of the first driving gear and the first gear hub, the second gear sleeve is just positioned on the second gear hub, when the first gear sleeve is positioned on the first gear hub, the second gear sleeve is just positioned between the second gear hub and the auxiliary tooth of the third driving gear, and when the first gear sleeve is positioned between the first gear hub and the auxiliary tooth of the second driving gear, the second gear sleeve is just positioned on the auxiliary tooth of the third driving gear; the transmission further comprises an output shaft, a first driven gear, a second driven gear and a third driven gear; the first driven gear, the second driven gear and the third driven gear are connected with the output shaft in a synchronous rotating mode, the first driving gear is meshed with the first driven gear, the second driving gear is meshed with the second driven gear, and the third driving gear is meshed with the third driven gear.
And a gear bushing is respectively arranged between the first driving gear, the second driving gear, the third driving gear and the input shaft, each gear bushing is in interference fit with the input shaft, and a needle bearing is respectively arranged between the first driving gear, the second driving gear, the third driving gear and each gear bushing.
The input shaft is also provided with an input gear, the input gear is arranged close to the first driving gear, and the input gear is synchronously and rotatably connected with the input shaft and used for transmitting external power to the input shaft.
And a cylindrical roller bearing is arranged at one end of the input shaft close to the input gear, and a deep groove ball bearing is arranged at one end of the input shaft far away from the input gear.
And a thrust pad is arranged between the third driving gear and the inner ring of the deep groove ball bearing on the input shaft.
And two ends of the output shaft are respectively provided with a deep groove ball bearing.
And a spacer bush is respectively arranged between the first driven gear and the second driven gear and between the second driven gear and the third driven gear.
The invention has the technical effects that: the side surface of the gear auxiliary tooth is designed to be an inclined surface, and the auxiliary tooth can generate certain axial force on the gear sleeve in the transmission process, so that the gear sleeve is prevented from falling off from the auxiliary tooth, and the problem of gear shift of the transmission is effectively avoided; in addition, the circular ring groove on the traditional shifting fork shaft is set into the V-shaped ring groove, so that the single-point contact between the positioning ball and the ring groove is changed into the two-point contact, and the abrasion rate of the positioning ball can be effectively reduced.
Drawings
Fig. 1 is a sectional view of a transmission gear clutch structure provided by embodiment 1 of the invention;
FIG. 2 is a view partially in the direction B of FIG. 1;
FIG. 3 is a front view of a fork drive configuration provided by an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a fork drive structure provided by an embodiment of the present invention;
fig. 5 is a cross-sectional view of a first speed state of the transmission provided by embodiment 2 of the invention;
fig. 6 is a sectional view of a neutral state of the transmission provided by embodiment 2 of the invention;
fig. 7 is a sectional view of a second gear state of the transmission provided by embodiment 2 of the invention;
fig. 8 is a sectional view of a neutral state of the transmission provided by embodiment 2 of the invention;
fig. 9 is a sectional view of a third gear state of the transmission provided by embodiment 2 of the invention.
Detailed Description
The present invention is described in detail below with reference to the attached drawings.
Example 1
As shown in fig. 1, a transmission gear clutch structure includes a rotating shaft, a gear 11, a gear hub 12, a gear sleeve 13 and a shifting fork 131; the gear 11 is sleeved on the rotating shaft in an empty mode, and the gear hub 12 is in interference fit with the rotating shaft; the gear 11 is provided with auxiliary teeth 111 with the same specification as the teeth on the gear hub 12; the inner ring surface of the gear sleeve 13 is provided with inner teeth which can be embedded with the gear hub 12 and the auxiliary teeth 111 of the gear 11, and the gear sleeve 13 is sleeved on the gear hub 12 and the auxiliary teeth 111 of the gear 11 and can slide back and forth between the gear hub 12 and the auxiliary teeth 111 of the gear 11 along the axial direction of the rotating shaft; when the gear sleeve 13 is only positioned on the gear hub 12 or the secondary tooth 111 of the gear 11, the gear 11 can freely rotate relative to the rotating shaft, and when the gear sleeve 13 is positioned between the gear hub 12 and the secondary tooth 111 of the gear 11, the gear 11 can synchronously rotate relative to the rotating shaft; at least one side ridge 112 of the secondary tooth 111 is arranged from one end close to the gear hub 12 to one end far away from the gear hub 12 and is gradually close to the central line of the secondary tooth 111; the shifting fork 131 is fixedly connected with the gear sleeve 13 and is used for driving the gear sleeve 13 to slide. According to the invention, the side surface of the auxiliary tooth 111 of the gear 11 is an inclined surface, and the auxiliary tooth 111 can generate a certain axial force to the gear sleeve 13 in the transmission process, so that the gear sleeve 13 is prevented from falling off from the auxiliary tooth 111, and the problem of gear shift of a transmission is effectively avoided.
Preferably, as shown in fig. 2, the end of the secondary tooth 111 opposite to the hub 12 is provided with a guide surface 113, and the guide surface 113 is gradually inclined from the side surface of the secondary tooth 111 to the center of the end of the secondary tooth 111; the end of the teeth of the gear hub 12 opposite to the gear 11 is provided with a guide surface 113 having the same structure as the end of the sub-teeth 111. During the switching process of the gear sleeve 13, the guide surface 113 can drive the auxiliary teeth 111 or the gear hub 12 to automatically face to avoid jamming.
Preferably, as shown in fig. 3 and 4, the shifting fork 131 is fixedly connected to a sliding sleeve 132, the sliding sleeve 132 is sleeved on the shifting fork shaft 133 and forms an axial sliding fit with the shifting fork shaft 133, the shifting fork shaft 133 is parallel to the rotating shaft, a V-shaped ring groove 136 is arranged on an outer circumferential surface of the shifting fork shaft 133, a radial positioning hole is formed in the sliding sleeve 132, a positioning ball 134 and a pressure spring 135 are arranged in the radial positioning hole, the pressure spring 135 can press the positioning ball 134 in the V-shaped ring groove 136 of the shifting fork shaft 133 to prevent the sliding sleeve 132 from freely sliding, and when the sliding sleeve 132 is subjected to a sufficiently large axial external force, an acting force between the positioning ball and the V-shaped ring groove 136 can overcome an elastic force of the pressure spring 135 and slide the positioning ball 134 out of the V-shaped ring groove 136, so that the sliding sleeve 132 can slide relative to the shifting fork shaft 133 along the axial direction. According to the invention, the circular ring groove on the traditional shifting fork shaft 133 is set as the V-shaped ring groove 136, so that the single-point contact between the positioning ball 134 and the ring groove is changed into two-point contact, and the abrasion rate of the positioning ball 134 can be effectively reduced.
Example 2
As shown in fig. 5 to 9, a transmission includes the transmission gear clutch structure described in embodiment 1; the rotating shaft is an input shaft 10, the gear 11 is provided with three first driving gears 11a, three second driving gears 11b and three third driving gears 11c, the gear hub 12 is provided with two first gear hubs 12a and two second gear hubs 12b, the gear sleeve 13 is provided with two first gear sleeves 13a and two second gear sleeves 13b, the number of the shifting forks 131 is two, the two shifting forks 131 correspond to the two gear sleeves 13a and 13b one by one, and the two shifting forks 131 are arranged in a synchronous motion manner; the first driving gear 11a, the second driving gear 11b and the third driving gear 11c are sequentially arranged along an axial direction of the input shaft 10, the first gear hub 12a is located between the first driving gear 11a and the second driving gear 11b, the second gear hub 12b is located between the second driving gear 11b and the third driving gear 11c, the auxiliary gear 111 of the first driving gear 11a and the second driving gear 11b is adjacent to the first gear hub 12a, and the auxiliary gear 111 of the third driving gear 11c is adjacent to the second gear hub 12 b; the first gear sleeve 13a is slidably arranged between the first driving gear 11a, the second driving gear 11b and the auxiliary teeth 111 of the first gear hub 12a, and the second gear sleeve 13b is slidably arranged between the second gear hub 12b and the auxiliary teeth 111 of the third driving gear 11 c; when the first sleeve 13a is located between the secondary teeth 111 of the first driving gear 11a and the first hub 12a, the second sleeve 13b is located just above the second hub 12b, when the first sleeve 13a is located only above the first hub 12a, the second sleeve 13b is located just above the secondary teeth 111 of the second hub 12b and the third driving gear 11c, and when the first sleeve 13a is located between the first hub 12a and the secondary teeth 111 of the second driving gear 11b, the second sleeve 13b is located just above the secondary teeth 111 of the third driving gear 11 c; the transmission further comprises an output shaft 20, a first driven gear 21, a second driven gear 22 and a third driven gear 23; the first driven gear 21, the second driven gear 22 and the third driven gear 23 are all connected with the output shaft 20 in a synchronous rotating mode, the first driving gear 11a is meshed with the first driven gear 21, the second driving gear 11b is meshed with the second driven gear 22, and the third driving gear 11c is meshed with the third driven gear 23.
Preferably, a gear bushing 17 is respectively disposed between the first driving gear 11a, the second driving gear 11b, the third driving gear 11c and the input shaft 10, each gear bushing 17 is in interference fit with the input shaft 10, and a needle bearing 18 is respectively disposed between the first driving gear 11a, the second driving gear 11b, the third driving gear 11c and each gear bushing 17. The input shaft 10 is further provided with an input gear 14, the input gear 14 is disposed adjacent to the first driving gear 11a, and the input gear 14 is connected to the input shaft 10 for transmitting external power to the input shaft 10. The end of the input shaft 10 close to the input gear 14 is provided with a cylindrical roller bearing 15, and the end of the input shaft 10 far away from the input gear 14 is provided with a deep groove ball bearing 16. A thrust pad 19 is arranged between the third driving gear 11c and the inner ring of the first deep groove ball bearing 16 on the input shaft 10. And two ends of the output shaft 20 are respectively provided with a second deep groove ball bearing 25. And a spacer 24 is respectively arranged between the first driven gear 21 and the second driven gear 22 and between the second driven gear 22 and the third driven gear 23.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A transmission gear separation and reunion structure which characterized in that: comprises a rotating shaft, a gear (11), a gear hub (12), a gear sleeve (13) and a shifting fork (131); the gear (11) is sleeved on the rotating shaft in an empty mode, and the gear hub (12) is in interference fit with the rotating shaft; the gear (11) is provided with auxiliary teeth (111) with the same specification as the teeth on the gear hub (12); the inner ring surface of the gear sleeve (13) is provided with inner teeth which can be embedded with the gear hub (12) and the auxiliary teeth (111) of the gear (11), and the gear sleeve (13) is sleeved on the gear hub (12) and the auxiliary teeth (111) of the gear (11) and can slide back and forth between the gear hub (12) and the auxiliary teeth (111) of the gear (11) along the axial direction of the rotating shaft; when the gear sleeve (13) is only positioned on the gear hub (12) or the auxiliary tooth (111) of the gear (11), the gear (11) can freely rotate relative to the rotating shaft, and when the gear sleeve (13) is positioned between the gear hub (12) and the auxiliary tooth (111) of the driving gear (11), the gear (11) can synchronously rotate relative to the rotating shaft; at least one side ridge (112) of the auxiliary tooth (111) is arranged from one end close to the gear hub (12) to one end far away from the gear hub (12) and is gradually close to the central line of the auxiliary tooth (111); the shifting fork (131) is fixedly connected with the gear sleeve (13) and is used for driving the gear sleeve (13) to slide.
2. The transmission gear clutch structure according to claim 1, characterized in that: the end part of the auxiliary tooth (111) opposite to the gear hub (12) is provided with a guide surface (113), and the guide surface (113) is gradually inclined towards the center of the end part of the auxiliary tooth (111) from the side surface of the auxiliary tooth (111); the end part of the tooth on the gear hub (12) opposite to the gear (11) is provided with a guide surface (113) with the same structure as the end part of the auxiliary tooth (111).
3. The transmission gear clutch structure according to claim 1, characterized in that: the shifting fork (131) is fixedly connected with a sliding sleeve (132), the sliding sleeve (132) is sleeved on a shifting fork shaft (133) and forms axial sliding fit with the shifting fork shaft (133), the shifting fork shaft (133) is parallel to the rotating shaft, a V-shaped ring groove (136) is formed in the outer ring surface of the shifting fork shaft (133), a radial positioning hole is formed in the sliding sleeve (132), a positioning ball (134) and a pressure spring (135) are arranged in the radial positioning hole, the pressure spring (135) can press the positioning ball (134) in the V-shaped ring groove (136) of the shifting fork shaft (133) to prevent the sliding sleeve (132) from freely sliding, and when the sliding sleeve (132) is subjected to a large enough axial external force, the acting force between the positioning ball (134) and the V-shaped ring groove (136) can overcome the elastic force of the pressure spring (135) and enable the positioning ball (134) to slide out of the V-shaped ring groove (136), so that the sliding sleeve (132) can slide relative to the shifting fork shaft (133) along the axial direction.
4. A transmission, characterized by: a transmission gear clutch structure including any one of claims 1 to 3; the rotating shaft is an input shaft (10), the gear (11) is provided with three first driving gears (11 a), a second driving gear (11 b) and a third driving gear (11 c), the gear hub (12) is provided with two first gear hubs (12 a) and two second gear hubs (12 b), the gear sleeve (13) is provided with two first gear sleeves (13 a) and two second gear sleeves (13 b), the number of the shifting forks (131) is two, the two shifting forks (131) correspond to the two gear sleeves (13 a and 13 b) in a one-to-one mode, and the two shifting forks (131) are arranged in a synchronous motion mode; the first driving gear (11 a), the second driving gear (11 b) and the third driving gear (11 c) are sequentially arranged along the axial direction of the input shaft (10), the first gear hub (12 a) is located between the first driving gear (11 a) and the second driving gear (11 b), the second gear hub (12 b) is located between the second driving gear (11 b) and the third driving gear (11 c), the auxiliary teeth (111) of the first driving gear (11 a) and the second driving gear (11 b) are adjacent to the first gear hub (12 a), and the auxiliary teeth (111) of the third driving gear (11 c) are adjacent to the second gear hub (12 b); the first gear sleeve (13 a) is arranged between the first driving gear (11 a), the auxiliary teeth (111) of the second driving gear (11 b) and the first gear hub (12 a) in a sliding mode, and the second gear sleeve (13 b) is arranged between the second gear hub (12 b) and the auxiliary teeth (111) of the third driving gear (11 c) in a sliding mode; when the first gear sleeve (13 a) is positioned between the auxiliary tooth (111) of the first driving gear (11 a) and the first gear hub (12 a), the second gear sleeve (13 b) is positioned just above the second gear hub (12 b), when the first gear sleeve (13 a) is positioned just above the first gear hub (12 a), the second gear sleeve (13 b) is positioned just above the second gear hub (12 b) and the auxiliary tooth (111) of the third driving gear (11 c), and when the first gear sleeve (13 a) is positioned between the first gear hub (12 a) and the auxiliary tooth (111) of the second driving gear (11 b), the second gear sleeve (13 b) is positioned just above the auxiliary tooth (111) of the third driving gear (11 c); the transmission further comprises an output shaft (20), a first driven gear (21), a second driven gear (22) and a third driven gear (23); the first driven gear (21), the second driven gear (22) and the third driven gear (23) are connected with the output shaft (20) in a synchronous rotating mode, the first driving gear (11 a) is meshed with the first driven gear (21), the second driving gear (11 b) is meshed with the second driven gear (22), and the third driving gear (11 c) is meshed with the third driven gear (23).
5. The transmission of claim 4, wherein: a gear bush (17) is arranged between the first driving gear (11 a), the second driving gear (11 b), the third driving gear (11 c) and the input shaft (10), each gear bush (17) is in interference fit with the input shaft (10), and a needle bearing (18) is arranged between the first driving gear (11 a), the second driving gear (11 b), the third driving gear (11 c) and each gear bush (17).
6. The transmission of claim 4, wherein: the input shaft (10) is also provided with an input gear (14), the input gear (14) is arranged close to the first driving gear (11 a), and the input gear (14) is in synchronous rotating connection with the input shaft (10) and is used for transmitting external power to the input shaft (10).
7. The transmission of claim 6, wherein: a cylindrical roller bearing (15) is arranged at one end, close to the input gear (14), of the input shaft (10), and a first deep groove ball bearing (16) is arranged at one end, far away from the input gear (14), of the input shaft (10).
8. The transmission of claim 7, wherein: and a thrust pad (19) is arranged between the third driving gear (11 c) and the inner ring of the deep groove ball bearing (16) on the input shaft (10).
9. The transmission of claim 4, wherein: and two ends of the output shaft (20) are respectively provided with a second deep groove ball bearing (25).
10. The transmission of claim 4, wherein: and a spacer bush (24) is respectively arranged between the first driven gear (21) and the second driven gear (22) and between the second driven gear (22) and the third driven gear (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710247931.5A CN106949165B (en) | 2017-04-17 | 2017-04-17 | Transmission gear clutch structure and transmission |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710247931.5A CN106949165B (en) | 2017-04-17 | 2017-04-17 | Transmission gear clutch structure and transmission |
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| CN106949165A CN106949165A (en) | 2017-07-14 |
| CN106949165B true CN106949165B (en) | 2023-04-18 |
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| CN201710247931.5A Active CN106949165B (en) | 2017-04-17 | 2017-04-17 | Transmission gear clutch structure and transmission |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109253182A (en) * | 2018-11-04 | 2019-01-22 | 李英俊 | Disc brake type automobile clutch |
| CN110821975A (en) * | 2019-10-21 | 2020-02-21 | 中冶陕压重工设备有限公司 | Tooth-type clutch structure without blocking at any angle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204312631U (en) * | 2014-12-01 | 2015-05-06 | 重庆先友科技开发有限公司 | A kind of Vehicular synchronous dual-range transmission |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102628493B (en) * | 2012-04-26 | 2015-04-29 | 向永川 | Automatic speed changer |
| CN103527726B (en) * | 2013-10-14 | 2016-02-24 | 谢晋 | Speed changer |
| CN103879285B (en) * | 2014-03-21 | 2016-10-05 | 重庆动霸科技有限公司 | The dual output variator of motor tricycle |
| CN105299195A (en) * | 2015-12-09 | 2016-02-03 | 重庆先友科技开发有限公司 | Multifunctional transmission assembly with single shifting fork |
| CN206682181U (en) * | 2017-04-17 | 2017-11-28 | 滁州悦达实业有限公司 | A kind of transmission gear clutch structure and speed changer |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204312631U (en) * | 2014-12-01 | 2015-05-06 | 重庆先友科技开发有限公司 | A kind of Vehicular synchronous dual-range transmission |
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| CN106949165A (en) | 2017-07-14 |
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Denomination of invention: A Transmission Gear Clutch Structure and Transmission Granted publication date: 20230418 Pledgee: Chuzhou financing guarantee Group Co.,Ltd. Pledgor: CHUZHOU YUEDA INDUSTRIAL CO.,LTD. Registration number: Y2024980010000 |