CN215370837U - Structural component for increasing speed ratio of mechanical odometer sensor - Google Patents
Structural component for increasing speed ratio of mechanical odometer sensor Download PDFInfo
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- CN215370837U CN215370837U CN202120258126.4U CN202120258126U CN215370837U CN 215370837 U CN215370837 U CN 215370837U CN 202120258126 U CN202120258126 U CN 202120258126U CN 215370837 U CN215370837 U CN 215370837U
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- odometer
- driven gear
- transmission
- odometer sensor
- shaft
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Abstract
The utility model discloses a structural component for increasing the speed ratio of a mechanical odometer sensor, which comprises a differential mechanism, an odometer driven gear, a driven gear shaft and a flange plate, wherein the differential mechanism is arranged on the differential mechanism; the differential is arranged in the transmission, and an input shaft of the differential is in transmission connection with an output shaft of the transmission, so that the rotating speed of the transmission is transmitted to the differential; the odometer sensor is fixed outside the shell of the transmission by the flange plate, and a pin shaft in the odometer sensor penetrates through the flange plate to the shell of the transmission; the odometer driven gear and the driven gear shaft are both arranged in the transmission; one end of the driven gear shaft is coaxially connected with a pin shaft in the odometer sensor; the odometer moving gear is fixedly sleeved at the driven gear shaft and is meshed with the driving gear of the differential mechanism. The speed ratio is increased, and the rotating speed transmitted to the mechanical odometer sensor by the transmission is reduced. The utility model has the advantage of reducing the rotation speed received by the mechanical odometer sensor.
Description
Technical Field
The utility model relates to the technical field of mechanical odometer sensors, in particular to a structural component for increasing the speed ratio of a mechanical odometer sensor.
Background
Odometer sensors are widely used in commercial vehicles to provide data for calculating vehicle speed, mileage and price, and are classified into two major types, namely mechanical contact type odometer sensors and non-mechanical contact type (photoelectric type and hall type) odometer sensors. The mechanical contact type odometer sensor needs physical entity contact, and the current market directly meshes the gear of the odometer sensor with the gear of a gearbox/transmission and obtains the speed mileage by acquiring the rotating speed of the gearbox/transmission.
The existing mechanical contact type odometer sensor in the market is mainly suitable for the low-rotating-speed environment of a traditional internal combustion engine and a traditional gearbox, and cannot adapt to the high-rotating-speed working condition that a new energy automobile motor and a transmission are matched, and the rotating shaft of the odometer sensor has the risks of oil leakage and clamping stagnation.
SUMMERY OF THE UTILITY MODEL
Therefore, a structural component for increasing the speed ratio of the mechanical odometer sensor is needed to be provided, so that the problem that the mechanical contact type odometer sensor in the prior art is difficult to adapt to the high rotating speed of the new energy automobile is solved.
In order to achieve the above object, the inventor provides a structural component for increasing the speed ratio of a mechanical odometer sensor, which comprises a differential, an odometer driven gear, a driven gear shaft and a flange plate;
the differential is arranged in the transmission, and an input shaft of the differential is in transmission connection with an output shaft of the transmission, so that the rotating speed of the transmission is transmitted to the differential;
the odometer sensor is fixed outside the shell of the transmission by the flange plate, and a pin shaft in the odometer sensor penetrates through the flange plate to the shell of the transmission;
the odometer driven gear and the driven gear shaft are both arranged in the transmission; one end of the driven gear shaft is coaxially connected with a pin shaft in the odometer sensor; the odometer moving gear is fixedly sleeved at the driven gear shaft and is meshed with the driving gear of the differential mechanism.
As a preferable structure of the present invention, the flange has an outer diameter larger than an outer diameter of the odometer moving gear.
As a preferred structure of the present invention, the driving gear of the differential and the odometer driving gear are both spur gears.
In a preferred configuration of the present invention, the driving gear of the differential and the odometer driving gear are both bevel gears.
As a preferred structure of the utility model, a slot is arranged on one end face of the driven gear shaft; a clamping ring groove is formed in the side wall of the driven gear shaft and penetrates through the slot; the pin shaft in the odometer sensor is inserted into the slot of the driven gear shaft, and the e-shaped retainer ring is inserted into the retainer ring groove to limit the pin shaft in the odometer sensor to be separated from the driven gear shaft.
As a preferable structure of the utility model, the driven gear shaft is also provided with an oil groove communicated with the slot.
In a preferred configuration of the present invention, the odometer sensor is fixed to a flange by bolts, and the flange is fixed to a case of the transmission by bolts.
Be different from prior art, above-mentioned technical scheme the increase structure subassembly of mechanical type odometer sensor velocity ratio, add differential mechanism, make the rotational speed of derailleur transmit to differential mechanism, the driving gear transmission of rethread differential mechanism is for the odometer driving gear, wherein, the driving gear of differential mechanism is reduced the tooth number with original differential mechanism owner and is still less, the size is littleer, the odometer sensor is fixed in derailleur department through the ring flange, then can use the odometer driven gear that the size is bigger, the number of teeth is more, then correspondingly increased the velocity ratio, odometer sensor velocity ratio increase has been realized, the rotational speed reduces, the rotational speed of transmitting the odometer sensor pivot is reduced through the increase of velocity ratio, can effectively reduce the risk of odometer sensor oil leak and jamming.
Drawings
FIG. 1 is a block diagram of structural components involved in increasing the speed ratio of a mechanical odometer sensor in accordance with an embodiment of the present invention;
FIG. 2 is a partial block diagram of structural components involved in increasing the speed ratio of a mechanical odometer sensor in accordance with an embodiment of the present invention.
Description of reference numerals:
1. a differential mechanism; 100. a driving gear;
2. the odometer has a gear;
3. a driven gear shaft; 300. a snap ring groove;
4. a flange plate;
5. a transmission; 500. a housing;
6. an e-shaped collar;
7. a bolt;
8. an odometer sensor; 800. and (7) a pin shaft.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
The utility model provides a structural component for increasing the speed ratio of a mechanical odometer sensor, which is used for increasing the speed ratio and reducing the rotating speed transmitted to the mechanical odometer sensor by a transmission 5.
Referring to fig. 1 and 2, in an embodiment, the structural component for increasing the speed ratio of the mechanical odometer sensor includes a differential 1, an odometer moving gear 2, a driven gear shaft 3 and a flange 4; differential 1, odometer moving gear 2 and driven gear shaft 3 are the drive mechanism who transmits the rotational speed of derailleur 5 to odometer sensor 8 department, and the rotational speed of derailleur 5 transmits to differential 1 department earlier, and differential 1 transmits this rotational speed to odometer moving gear 2 again, and odometer moving gear 2 transmits the rotational speed to driven gear shaft 3, transmits to odometer sensor 8 through driven gear shaft 3 at last, and the rotational speed of transmitting to odometer sensor 8 department has been reduced. The ring flange 4 is used for fixing the odometer sensor 8, the odometer sensor 8 is fixed outside a shell 500 of the transmission 5, and the ring flange 4 needs to be placed, so that a corresponding hole needs to be formed in the shell of the transmission 5, and the hole is provided for installing the odometer moving gear 2 into the transmission 5.
Referring to fig. 1, the differential 1 is disposed in a transmission 5 (which may also be a speed reducer), and an input shaft of the differential 1 is in transmission connection with an output shaft of the transmission 5, specifically, gears are fixedly sleeved on both the input shaft of the differential 1 and the output shaft of the transmission 5, and the gears of the input shaft of the differential 1 are engaged with the gears of the output shaft of the transmission 5, so that the rotation speed of the transmission 5 is transmitted to the differential 1.
The ring flange 4 is fixed outside the casing 500 of derailleur 5 with odometer sensor 8, and the round pin axle 800 in the odometer sensor 8 passes in ring flange 4 to the casing 500 of derailleur 5, specifically, the hole of installation ring flange 4 is seted up to the casing 500 of derailleur 5, ring flange 4 is located the hole department to be connected with the casing 500 of derailleur 5 through bolt 7, odometer sensor 8 is fixed in ring flange 4 department through bolt 7, and round pin axle 800 in the odometer sensor 8 passes in ring flange 4 to the casing 500 of derailleur 5.
The odometer moving gear 2 and the driven gear shaft 3 are both arranged in the transmission 5; one end of the driven gear shaft 3 is coaxially connected with a pin shaft 800 in the odometer sensor 8; the odometer moving gear 2 is fixedly sleeved at the driven gear shaft 3 and is meshed with the driving gear 100 of the differential 1, a differential main reduction gear is not needed, the reduced rotating speed can be transmitted to the odometer sensor 8 through the arrangement, the odometer sensor 8 receives a rotating speed signal, the oil leakage risk and the clamping risk of the odometer sensor 8 can be effectively reduced, and the odometer sensor 8 can be well applied to new energy automobiles.
The outer diameter of the flange plate 4 is larger than that of the odometer moving gear 2, so that the driven gear can be conveniently taken out of the shell 500 of the transmission 5, and the driven gear can be conveniently plugged and pulled out in subsequent maintenance, and is convenient to maintain.
Referring to fig. 2, in order to connect the driven gear shaft 3 with the pin 800 in the odometer sensor 8, in a further embodiment, a slot is formed on one end surface of the driven gear shaft 3; a clamping ring groove 300 is formed in the side wall of the driven gear shaft 3, the clamping ring groove 300 can be in a thread shape, and the clamping ring groove 300 penetrates through the slot; pin shaft 800 in the odometer sensor is inserted to the slot of driven gear shaft 3, and E-shaped retainer ring 6 is inserted into retainer ring groove 300 to limit pin shaft 800 in the odometer sensor to separate from driven gear shaft 3 along the axial direction, so that pin shaft 800 in driven gear shaft 3 and odometer sensor 8 can be conveniently separated or connected.
In a further embodiment, the driven gear shaft 3 is further provided with an oil groove communicated with the slot, and lubricant can be added into the slot through the oil groove.
In a further embodiment, the driving gear 100 and the odometer moving gear 2 of the differential 1 are both spur gears, or in another embodiment, the driving gear 100 and the odometer moving gear 2 of the differential 1 are both helical gears.
It should be noted that, although the above embodiments have been described herein, the utility model is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present invention.
Claims (7)
1. A structure assembly for increasing the speed ratio of a mechanical odometer sensor is characterized by comprising a differential mechanism, an odometer driven gear, a driven gear shaft and a flange plate;
the differential is arranged in the transmission, and an input shaft of the differential is in transmission connection with an output shaft of the transmission, so that the rotating speed of the transmission is transmitted to the differential;
the odometer sensor is fixed outside the shell of the transmission by the flange plate, and a pin shaft in the odometer sensor penetrates through the flange plate to the shell of the transmission;
the odometer driven gear and the driven gear shaft are both arranged in the transmission; one end of the driven gear shaft is coaxially connected with a pin shaft in the odometer sensor; the odometer moving gear is fixedly sleeved at the driven gear shaft and is meshed with the driving gear of the differential mechanism.
2. The structural assembly for increasing the speed ratio of a mechanical odometer sensor according to claim 1, wherein the flange has an outer diameter greater than an outer diameter of the odometer moving gear.
3. The structural assembly for increasing the speed ratio of a mechanical odometer sensor according to claim 1, wherein the driving gear of the differential and the odometer driving gear are spur gears.
4. The structural assembly for increasing the speed ratio of a mechanical odometer sensor according to claim 1, wherein the driving gear of the differential and the odometer driving gear are both bevel gears.
5. The structural component for increasing the speed ratio of the mechanical odometer sensor according to claim 1, wherein a slot is formed in one end face of the driven gear shaft; a clamping ring groove is formed in the side wall of the driven gear shaft and penetrates through the slot; the pin shaft in the odometer sensor is inserted into the slot of the driven gear shaft, and the e-shaped retainer ring is inserted into the retainer ring groove to limit the pin shaft in the odometer sensor to be separated from the driven gear shaft.
6. The structural component for increasing the speed ratio of the mechanical odometer sensor according to claim 1, wherein the driven gear shaft is further provided with an oil groove communicated with the slot.
7. The structural assembly for increasing the speed ratio of a mechanical odometer sensor according to claim 1, wherein the odometer sensor is bolted to a flange that is bolted to a housing of the transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120258126.4U CN215370837U (en) | 2021-01-29 | 2021-01-29 | Structural component for increasing speed ratio of mechanical odometer sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120258126.4U CN215370837U (en) | 2021-01-29 | 2021-01-29 | Structural component for increasing speed ratio of mechanical odometer sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215370837U true CN215370837U (en) | 2021-12-31 |
Family
ID=79621994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120258126.4U Active CN215370837U (en) | 2021-01-29 | 2021-01-29 | Structural component for increasing speed ratio of mechanical odometer sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215370837U (en) |
-
2021
- 2021-01-29 CN CN202120258126.4U patent/CN215370837U/en active Active
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