CN211259608U - Novel motor ball selects gearshift - Google Patents
Novel motor ball selects gearshift Download PDFInfo
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- CN211259608U CN211259608U CN201922096655.4U CN201922096655U CN211259608U CN 211259608 U CN211259608 U CN 211259608U CN 201922096655 U CN201922096655 U CN 201922096655U CN 211259608 U CN211259608 U CN 211259608U
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Abstract
The utility model discloses a novel motor ball screw selects gearshift belongs to automatic gearbox technical field, through selecting to keep off motor drive lead screw rotation, and then drive the nut and remove, drive the shifting block and remove, realize selecting to keep off the function; the screw rod is driven to rotate through the gear shifting motor, so that the nut is driven to move, the gear shifting arm is driven to rotate, the shifting block is driven to rotate, and the gear shifting function is realized; the scheme is highly integrated, simple in structure, low in cost, light in weight and easy to produce. The utility model provides a select gearshift, high integration, compact structure is simple, and the cost is lower, and weight is lighter, and easily production.
Description
Technical Field
The utility model belongs to the technical field of automatic gearbox, concretely relates to motor ball selects gearshift.
Background
At present, as the domestic market of mechanical automatic transmissions (AMT) commercial automobiles is gradually rising, gear selecting and shifting mechanisms are widely adopted in order to replace manual control mechanisms and meet the requirements of transmission functions and vehicle control.
The gear selecting and shifting mechanism is an important actuating component of the AMT. The method comprises the following steps that a Transmission Control Unit (TCU) judges a vehicle state, sends a gear shifting command, a gear selecting and shifting actuating mechanism is responsible for receiving the command and executing gear selecting and shifting actions, and simultaneously feeds gear information back to the TCU; the hydraulic pressure has the advantages of large gear shifting force and high control precision, but an external oil source system is needed, the cost is high, the structure is complex and the arrangement is not easy; the motor gear selecting and shifting actuating mechanism comprises a worm gear type and a ball screw type, and the ball screw has the advantages of simple structure, accurate control, high transmission efficiency, low production cost and the like.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model provides a novel motor ball screw gear selecting and shifting mechanism, wherein a gear selecting motor drives a screw to rotate, further drives a nut to move, drives a shifting block to move, and realizes a gear selecting function; the screw rod is driven to rotate through the gear shifting motor, so that the nut is driven to move, the gear shifting arm is driven to rotate, the shifting block is driven to rotate, and the gear shifting function is realized; the scheme is highly integrated, simple in structure, low in cost, light in weight and easy to produce.
The utility model discloses a following technical scheme realizes:
a novel motor ball screw gear selecting and shifting mechanism comprises a gear shifting motor 1, a gear shifting screw 2, a gear shifting nut 3, a gear shifting arm 4, a rectangular guide shaft 5, a supporting seat 6, a gear shifting sensor 7, a gear selecting and shifting head 8, a gear selecting motor 9, a gear selecting screw 10, a gear selecting nut 11, a gear selecting sensor 12, a sensor connecting arm 13 and a shell 15; one end of the gear shifting lead screw 2 is connected with the gear shifting motor 1, the other end of the gear shifting lead screw is arranged in the shell 15 through a shaft sleeve, and thrust bearings are sleeved at the two ends of the gear shifting lead screw to bear axial force; the gear shifting screw rod 2 is screwed with the gear shifting nut 3 to drive the gear shifting nut 3 to move, one end of a gear shifting arm 4 is of a double-fork structure and clamped on cylinders on two sides of the gear shifting nut 3, the other end of the gear shifting arm is of a rectangular sleeve structure and is sleeved on a rectangular guide shaft 5, one side of the rectangular guide shaft 5 is installed in a shell 15 through a shaft sleeve, the other side of the rectangular guide shaft 5 penetrates through a supporting seat 6 and is connected with a gear shifting sensor 7 through a key groove, the gear shifting nut 3 moves to drive the gear shifting arm 4 to rotate and further drive the rectangular guide shaft 5 to rotate, and a gear shifting head 8 is sleeved on the rectangular guide shaft 5 and can freely; one end of the gear selecting screw rod 10 is connected with the gear selecting motor 9, the other end of the gear selecting screw rod is arranged in the shell 15 through a shaft sleeve, and thrust bearings are sleeved at the two ends of the gear selecting screw rod to bear axial force; the gear selecting screw rod 10 is screwed with the gear selecting nut 11, the gear selecting nut 11 is driven to move by rotation of the gear selecting screw rod, and the gear selecting nut 11 is connected with the gear selecting and shifting block 8 through a key groove to drive the gear selecting and shifting block 8 to move in a reciprocating mode; one end of the sensor connecting arm 13 is of a single-fork structure and is clamped on a cylinder on one side of the gear selecting nut 11, and the other end of the sensor connecting arm is connected with the gear selecting sensor 12 through a key groove.
Further, the gear shifting motor 1 is fixed on the shell 15 through a bolt, and the gear shifting screw rod 2 is driven to rotate through a key slot.
Further, the gear selecting motor 9 is fixed on the shell 15 through a bolt, and drives the gear selecting screw rod 10 to rotate through a key slot.
Further, the gear shifting sensor 7 and the supporting seat 6 are fixed on the shell 15 through bolts, the corner position of the gear selecting and shifting head is monitored, and then the gear shifting position of the gear selecting and shifting head 8 is judged.
Further, the gear selecting sensor 12 is fixedly connected with the housing 15 through a bolt, and the gear selecting sensor 12 monitors the corner position of the gear selecting and shifting head so as to judge the gear selecting position of the gear selecting and shifting head 8.
Further, a vent plug 14 is mounted on the housing 15 to provide a venting function for the transmission and balance the air pressure inside the transmission.
Compared with the prior art, the utility model has the advantages as follows:
the utility model discloses a novel motor ball selects gearshift, high integrated, compact structure is simple, and the cost is lower, and weight is lighter, and easy to produce.
Drawings
Fig. 1 is a three-dimensional perspective view of a gear selecting and shifting mechanism of the present invention;
fig. 2 is a front view of the gear selecting and shifting mechanism of the present invention;
fig. 3 is a sectional view a-a shown in fig. 2.
In the figure: 1. the gear shifting device comprises a gear shifting motor, 2 gear shifting lead screws, 3 gear shifting nuts, 4 gear shifting arms, 5 rectangular guide shafts, 6 supporting seats, 7 gear shifting sensors, 8 gear selecting shifting blocks, 9 gear selecting motors, 10 gear selecting lead screws, 11 gear selecting nuts, 12 gear selecting sensors, 13 sensor connecting arms, 14 vent plugs and 15 shells.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
Example 1
As shown in fig. 1 and 2, a novel motor ball screw gear selecting and shifting mechanism, a gear shifting motor 1 is fixed on a shell 15 through a bolt, a gear shifting screw 2 is driven to rotate through a key groove, one end of the gear shifting screw 2 is connected with the gear shifting motor 1, the other end of the gear shifting screw is installed in the shell 15 through a shaft sleeve, and both ends of the gear shifting screw are sleeved with thrust bearings so as to bear axial force. The lead screw 2 that shifts closes soon with the nut 3 that shifts, drive the nut 3 that shifts and remove, 4 one ends of gear shift arm are two fork formula structures, press from both sides and press from both sides at the 3 both sides cylinders of nut that shifts, the other end is the rectangle cover structure, the suit is on rectangle guiding axle 5, 5 one sides of rectangle guiding axle are installed in casing 15 through the axle sleeve, the opposite side passes supporting seat 6 and is passed through keyway connection shift sensor 7, 3 removal drive gear shift arm of nut that shifts rotate 4, and then drive rectangle guiding axle 5 and rotate, 8 suit rectangle guiding axles 5 of dial head 8 that select to shift are on, can freely remove on rectangle guiding axle 5, and rotate along with rectangle guiding axle 5. The gear shifting sensor 7 and the supporting seat 6 are fixed on the shell 15 through bolts, the position of a rotating angle is monitored, and then the gear shifting position of the gear shifting head 8 is judged. The gear selecting motor 9 is fixed on the shell 15 through a bolt, the gear selecting screw rod 10 is driven to rotate through a key groove, one end of the gear selecting screw rod 10 is connected with the gear selecting motor 9, the other end of the gear selecting screw rod is installed in the shell 15 through a shaft sleeve, and thrust bearings are sleeved at two ends of the gear selecting screw rod to bear axial force. The gear selecting screw rod 10 is screwed with the gear selecting nut 11, the gear selecting nut 11 is driven to move by rotation of the gear selecting screw rod, and the gear selecting nut 11 is connected with the gear selecting and shifting head 8 through a key groove to drive the gear selecting and shifting head 8 to move in a reciprocating mode. The gear selecting sensor 12 is fixedly connected with the shell 15 through a bolt, one end of the sensor connecting arm 13 is of a single-fork structure and clamped on a cylinder on one side of the gear selecting nut 11, the other end of the sensor connecting arm is connected with the gear selecting sensor 12 through a key groove, and the gear selecting sensor 12 monitors the position of a corner so as to judge the gear selecting position of the gear selecting and shifting head 8. A vent plug 14 is mounted to the housing 15 to provide a venting function for the transmission to equalize the air pressure within the transmission.
When a vehicle needs to change gears, when a gear shifting block 8 needs to be selected for gear shifting action, the electronic control unit sends a working instruction to the gear shifting motor 1, the gear shifting motor 1 actively rotates, the gear shifting screw rod 2 is driven to rotate through the key groove, the screwed gear shifting nut 3 is driven to move, the gear shifting arm 4 is further driven to rotate, the rectangular guide shaft 5 is driven to rotate, and the gear shifting block 8 sleeved on the rectangular guide shaft 5 also rotates along with the rectangular guide shaft, so that gear shifting action is realized; when the gear selecting and shifting action of the gear selecting and shifting head 8 is needed, the electronic control unit sends a working instruction to the gear selecting motor 9, the gear selecting motor 9 rotates actively, the gear selecting lead screw 10 is driven to rotate through the key groove, the gear selecting nut 11 which is screwed is driven to move, the gear selecting and shifting head 8 is driven to move through the key groove, and the gear selecting action is achieved.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (6)
1. A novel motor ball screw gear selecting and shifting mechanism is characterized by comprising a gear shifting motor (1), a gear shifting screw (2), a gear shifting nut (3), a gear shifting arm (4), a rectangular guide shaft (5), a supporting seat (6), a gear shifting sensor (7), a gear selecting and shifting head (8), a gear selecting motor (9), a gear selecting screw (10), a gear selecting nut (11), a gear selecting sensor (12), a sensor connecting arm (13) and a shell (15); one end of the gear shifting lead screw (2) is connected with the gear shifting motor (1), the other end of the gear shifting lead screw is arranged in the shell (15) through a shaft sleeve, and thrust bearings are sleeved at the two ends of the gear shifting lead screw to bear axial force; the gear shifting screw rod (2) is screwed with the gear shifting nut (3) to drive the gear shifting nut (3) to move, one end of a gear shifting arm (4) is of a double-fork structure and clamped on cylinders on two sides of the gear shifting nut (3), the other end of the gear shifting arm is of a rectangular sleeve structure and is sleeved on a rectangular guide shaft (5), one side of the rectangular guide shaft (5) is installed in a shell (15) through a shaft sleeve, the other side of the rectangular guide shaft passes through a supporting seat (6) and is connected with a gear shifting sensor (7) through a key groove, the gear shifting nut (3) moves to drive the gear shifting arm (4) to rotate so as to drive the rectangular guide shaft (5) to rotate, and a gear selecting and shifting head (8) is sleeved on the rectangular guide shaft (5) and can freely move on the rectangular guide; one end of the gear selecting screw rod (10) is connected with the gear selecting motor (9), the other end of the gear selecting screw rod is arranged in the shell (15) through a shaft sleeve, and thrust bearings are sleeved at the two ends of the gear selecting screw rod to bear axial force; the gear selecting screw rod (10) is screwed with the gear selecting nut (11), the gear selecting screw rod rotates to drive the gear selecting nut (11) to move, and the gear selecting nut (11) is connected with the gear selecting and shifting block (8) through a key groove to drive the gear selecting and shifting block (8) to move in a reciprocating mode; one end of the sensor connecting arm (13) is of a single-fork structure and is clamped on a cylinder on one side of the gear selecting nut (11), and the other end of the sensor connecting arm is connected with the gear selecting sensor (12) through a key groove.
2. The novel motor ball screw gear selecting and shifting mechanism is characterized in that the gear shifting motor (1) is fixed on the shell (15) through a bolt, and the gear shifting screw (2) is driven to rotate through a key slot.
3. The novel motor ball screw gear selecting and shifting mechanism is characterized in that the gear selecting motor (9) is fixed on the shell (15) through a bolt, and the gear selecting screw (10) is driven to rotate through a key groove.
4. The novel motor ball screw gear selecting and shifting mechanism is characterized in that the gear shifting sensor (7) and the supporting seat (6) are fixed on the shell (15) through bolts, the angle position of the gear selecting and shifting block is monitored, and the gear shifting position of the gear selecting and shifting block (8) is further judged.
5. The novel motor ball screw gear selecting and shifting mechanism is characterized in that the gear selecting sensor (12) is fixedly connected with the shell (15) through a bolt, and the gear selecting sensor (12) monitors the rotation angle position of the gear selecting and shifting block to judge the gear selecting position of the gear selecting and shifting block (8).
6. The novel motor ball screw gear selecting and shifting mechanism is characterized in that a vent plug (14) is mounted on the shell (15) to provide a ventilation function for the transmission and balance air pressure inside the transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922096655.4U CN211259608U (en) | 2019-11-29 | 2019-11-29 | Novel motor ball selects gearshift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922096655.4U CN211259608U (en) | 2019-11-29 | 2019-11-29 | Novel motor ball selects gearshift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211259608U true CN211259608U (en) | 2020-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922096655.4U Active CN211259608U (en) | 2019-11-29 | 2019-11-29 | Novel motor ball selects gearshift |
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| CN (1) | CN211259608U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115370741A (en) * | 2022-07-22 | 2022-11-22 | 合肥智行通智能科技有限公司 | Drive-by-wire selection gearshift based on ball and flexible axle transmission |
-
2019
- 2019-11-29 CN CN201922096655.4U patent/CN211259608U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115370741A (en) * | 2022-07-22 | 2022-11-22 | 合肥智行通智能科技有限公司 | Drive-by-wire selection gearshift based on ball and flexible axle transmission |
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