CN213929375U - Driven spiral bevel gear adjusting mechanism of drive axle - Google Patents
Driven spiral bevel gear adjusting mechanism of drive axle Download PDFInfo
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- CN213929375U CN213929375U CN202022230111.5U CN202022230111U CN213929375U CN 213929375 U CN213929375 U CN 213929375U CN 202022230111 U CN202022230111 U CN 202022230111U CN 213929375 U CN213929375 U CN 213929375U
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- bevel gear
- spiral bevel
- driven spiral
- shaft
- sleeve
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Abstract
The utility model discloses a drive axle driven spiral bevel gear adjusting mechanism, which comprises a drive axle shell, wherein the middle part of a sleeve shaft is provided with a spline shaft, the spline shaft is sleeved with a driven spiral bevel gear in a sliding way, and the two ends of the spline shaft are respectively sleeved with a first spring and a second spring; the fixed intercommunication in one side of reduction gear housing has the external screw thread sleeve, and the screw rod is installed to the internal thread of external screw thread sleeve, and the one end fixedly connected with bull's eye bearing of screw rod has seted up interior hexagonal mouth on the other end terminal surface of screw rod, and the screw cap is installed to the telescopic external screw thread of external screw thread, and the inside fixedly connected with of screw cap and interior hexagonal mouthful complex hexagonal post. According to the application, the position of the driven spiral bevel gear on the spline shaft can be adjusted by adjusting the feeding depth of the threaded cap, so that the meshing gap between the driving bevel gear and the driven bevel gear is adjusted; and can direct operation from the outside, directly perceived, can directly calculate the meshing clearance according to the depth of feed, convenient operation.
Description
Technical Field
The utility model relates to an electric motor car transaxle technical field specifically is driven spiral bevel gear guiding mechanism of transaxle.
Background
The electric vehicle drive axle is composed of a main speed reducer, a differential mechanism, a wheel transmission device, a drive axle housing and the like. The power transmitted from universal driving device is turned over 90 deg. to change the transmission direction of power, and the rotation speed is reduced by main speed reducer, and after the torque is increased, the power is distributed to left and right half-shafts and driving wheels by means of differential mechanism.
Spiral bevel gears, i.e., spiral bevel gears, are commonly used for motion and power transmission between two intersecting shafts. The teeth of the conical gear are distributed on the surface of a cone, and the tooth form of the conical gear is gradually reduced from the large end to the small end. The tooth profile of the spiral bevel gear is a circular arc, and is generally conical like an umbrella, so the spiral bevel gear is known. The spiral bevel gear has the advantages of high transmission efficiency, stable transmission ratio, large arc overlapping coefficient, high bearing capacity, stable and smooth transmission, reliable work, compact structure, energy and material conservation, space saving, wear resistance, long service life and low noise. Among various mechanical transmissions, the transmission efficiency of the spiral bevel gear is the highest.
In an electric vehicle drive axle, when a drive bevel gear, a driven bevel gear assembly, a transmission housing, a drive reducer cover, a differential housing or a bearing is replaced, the driven bevel gear needs to be adjusted, and the meshing clearance between the drive bevel gear and the driven bevel gear needs to be adjusted. The existing adjusting device needs to be adjusted by increasing or decreasing gaskets and is complex, so that a driven spiral bevel gear adjusting mechanism of a drive axle is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a driven spiral bevel gear guiding mechanism of transaxle to solve among the above-mentioned background art and change when initiative bevel gear, driven bevel gear assembly, gearbox housing, final reduction gear lid, differential mechanism housing or bearing, adjust the backlash between owner, the driven bevel gear, comparatively complicated problem through the increase and decrease gasket.
In order to achieve the above object, the utility model provides a following technical scheme:
driven spiral bevel gear guiding mechanism of transaxle includes:
the driving axle comprises a driving axle shell, wherein one end of the driving axle shell is fixedly connected with a speed reducer shell, a sleeve shaft is rotatably arranged in one end of the speed reducer shell through a supporting bearing, a spline shaft is arranged in the middle of the sleeve shaft, a driven spiral bevel gear is sleeved on the spline shaft in a sliding mode, and a first spring and a second spring are sleeved at two ends of the spline shaft respectively;
the fixed intercommunication in one side of reduction gear casing has the external screw thread sleeve, the screw rod is installed to the telescopic internal thread of external screw thread, the one end fixedly connected with bulleye bearing of screw rod, the roll portion of bulleye bearing with a side surface contact of driven spiral bevel gear, hexagonal mouth in having seted up on the other end terminal surface of screw rod, the screw cap is installed to the telescopic external thread of external screw thread, the inside fixedly connected with and the interior hexagonal mouthful complex hexagonal post of screw cap, the one end of hexagonal post slides and pegs graft in the interior hexagonal mouth.
Preferably, the inside of screw cap is provided with the first internal thread with screw rod complex, the inside of external screw thread sleeve is provided with the second internal thread with external screw thread sleeve complex.
Preferably, the pitch of the first internal thread is equal to the pitch of the second internal thread.
Preferably, the middle part of the driven spiral bevel gear is provided with a spline socket, the spline socket is sleeved on the spline shaft in a sliding manner, and the diameter of the spline shaft is smaller than that of the sleeve shaft.
Preferably, a flange plate is installed on one side of the reducer casing, a motor is fixedly installed on one side of the flange plate, and an operation panel is installed at one end of the motor.
Preferably, the connecting device further comprises a half shaft, and one end of the half shaft is fixedly inserted into one end of the sleeve shaft.
Compared with the prior art, the beneficial effects of the utility model are that:
according to the application, the position of the driven spiral bevel gear on the spline shaft can be adjusted by adjusting the feeding depth of the threaded cap, so that the meshing gap between the driving bevel gear and the driven bevel gear is adjusted; and can direct operation from the outside, directly perceived, can directly calculate the meshing clearance according to the depth of feed, convenient operation.
Drawings
Fig. 1 is an external structural schematic diagram of a drive axle of the present invention;
FIG. 2 is a schematic view of the internal structure of the reducer case according to the present invention;
FIG. 3 is a schematic view of the split structure of the screw, the external thread sleeve and the thread cap of the present invention;
fig. 4 is a schematic structural view of the screw cap of the present invention.
In the figure: 1. a reducer housing; 2. a flange plate; 3. an electric motor; 4. an operation panel; 5. a transaxle housing; 6. a half shaft; 7. a threaded cap; 71. a hexagonal column; 72. a first internal thread; 8. a sleeve shaft; 9. a support bearing; 10. a screw; 11. a bull's eye bearing; 12. a driven spiral bevel gear; 13. sleeving a spline; 14. a spline shaft; 15. a first spring; 16. a second spring; 17. an inner hexagonal port; 18. an externally threaded sleeve; 19. a second internal thread.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution:
driven spiral bevel gear guiding mechanism of transaxle includes:
the driving axle comprises a driving axle shell 5, wherein one end of the driving axle shell 5 is fixedly connected with a speed reducer shell 1, a sleeve shaft 8 is rotatably arranged in one end of the speed reducer shell 1 through a supporting bearing 9, a spline shaft 14 is arranged in the middle of the sleeve shaft 8, a driven spiral bevel gear 12 is slidably sleeved on the spline shaft 14, and a first spring 15 and a second spring 16 are sleeved at two ends of the spline shaft 14 respectively;
the fixed intercommunication in one side of reduction gear casing 1 has external screw thread sleeve 18, screw rod 10 is installed to the internal thread of external screw thread sleeve 18, the one end fixedly connected with bull's eye bearing 11 of screw rod 10, the roll portion of bull's eye bearing 11 and one side surface contact of driven spiral bevel gear 12, hexagonal mouth 17 in having seted up on the other end terminal surface of screw rod 10, screw cap 7 is installed to the outside screw thread of external screw thread sleeve 18, the inside fixedly connected with of screw cap 7 and hexagonal post 71 of hexagonal mouth 17 complex in, the one end of hexagonal post 71 slides and pegs graft in hexagonal mouth 17 including.
Specifically, the interior of the screw cap 7 is provided with a first internal thread 72 that cooperates with the screw 10, and the interior of the externally threaded sleeve 18 is provided with a second internal thread 19 that cooperates with the externally threaded sleeve 18. The pitch of the first internal thread 72 is equal to the pitch of the second internal thread 19.
Specifically, a spline cuff 13 is formed in the middle of the driven spiral bevel gear 12, the spline cuff 13 is slidably sleeved on a spline shaft 14, and the diameter of the spline shaft 14 is smaller than that of the sleeve shaft 8. One side of the reducer shell 1 is provided with a flange 2, one side of the flange 2 is fixedly provided with a motor 3, and one end of the motor 3 is provided with an operation panel 4. The device also comprises a half shaft 6, wherein one end of the half shaft 6 is fixedly inserted into one end of the sleeve shaft 8.
According to the application, the position of the driven spiral bevel gear 12 on the spline shaft 14 can be adjusted by adjusting the feeding depth of the screw cap 7, so that the meshing clearance between the driving bevel gear and the driven bevel gear is adjusted; and can direct operation from the outside, directly perceived, can directly calculate the meshing clearance according to the depth of feed, convenient operation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Driven spiral bevel gear guiding mechanism of transaxle, its characterized in that includes:
the driving axle comprises a driving axle shell, wherein one end of the driving axle shell is fixedly connected with a speed reducer shell, a sleeve shaft is rotatably arranged in one end of the speed reducer shell through a supporting bearing, a spline shaft is arranged in the middle of the sleeve shaft, a driven spiral bevel gear is sleeved on the spline shaft in a sliding mode, and a first spring and a second spring are sleeved at two ends of the spline shaft respectively;
the fixed intercommunication in one side of reduction gear casing has the external screw thread sleeve, the screw rod is installed to the telescopic internal thread of external screw thread, the one end fixedly connected with bulleye bearing of screw rod, the roll portion of bulleye bearing with a side surface contact of driven spiral bevel gear, hexagonal mouth in having seted up on the other end terminal surface of screw rod, the screw cap is installed to the telescopic external thread of external screw thread, the inside fixedly connected with and the interior hexagonal mouthful complex hexagonal post of screw cap, the one end of hexagonal post slides and pegs graft in the interior hexagonal mouth.
2. A drive axle driven spiral bevel gear adjustment mechanism as claimed in claim 1, wherein: the screw cap is characterized in that a first internal thread matched with the screw is arranged inside the screw cap, and a second internal thread matched with the external thread sleeve is arranged inside the external thread sleeve.
3. A drive axle driven spiral bevel gear adjustment mechanism as claimed in claim 2, wherein: the pitch of the first internal thread is equal to the pitch of the second internal thread.
4. A drive axle driven spiral bevel gear adjustment mechanism as claimed in claim 1, wherein: the middle part of the driven spiral bevel gear is provided with a spline socket which is sleeved on the spline shaft in a sliding manner, and the diameter of the spline shaft is smaller than that of the sleeve shaft.
5. A drive axle driven spiral bevel gear adjustment mechanism as claimed in claim 1, wherein: the ring flange is installed to one side of reduction gear casing, one side fixed mounting of ring flange has the motor, the operation board is installed to the one end of motor.
6. A drive axle driven spiral bevel gear adjustment mechanism as claimed in claim 1, wherein: the novel gear box further comprises a half shaft, and one end of the half shaft is fixedly inserted into one end of the sleeve shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022230111.5U CN213929375U (en) | 2020-10-09 | 2020-10-09 | Driven spiral bevel gear adjusting mechanism of drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022230111.5U CN213929375U (en) | 2020-10-09 | 2020-10-09 | Driven spiral bevel gear adjusting mechanism of drive axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213929375U true CN213929375U (en) | 2021-08-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022230111.5U Active CN213929375U (en) | 2020-10-09 | 2020-10-09 | Driven spiral bevel gear adjusting mechanism of drive axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213929375U (en) |
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2020
- 2020-10-09 CN CN202022230111.5U patent/CN213929375U/en active Active
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