CN210566137U - Transmission mechanism for eliminating axial clearance - Google Patents
Transmission mechanism for eliminating axial clearance Download PDFInfo
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- CN210566137U CN210566137U CN201921349552.8U CN201921349552U CN210566137U CN 210566137 U CN210566137 U CN 210566137U CN 201921349552 U CN201921349552 U CN 201921349552U CN 210566137 U CN210566137 U CN 210566137U
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- output shaft
- input gear
- gear
- gearbox body
- spline
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Abstract
The utility model discloses a transmission mechanism for eliminating axial clearance, which comprises a gearbox body, wherein an output shaft is hinged on the gearbox body, and an input gear and an output gear are fixed on the output shaft; two ends of the output shaft are hinged to the left side plate and the right side plate of the gearbox body through bearings, one end of the output shaft extends out of the outer wall surface of the gearbox body and is fixed with an output gear, and the other end of the output shaft is connected with an input gear. The bearings are arranged at two ends of the output shaft of the gear box, so that the gear box is uniform in stress, stable in operation and good in effect, and the elastic sheets arranged on the bearings can prevent the input gear from axially moving, so that the service lives of the input gear and the output shaft are prolonged.
Description
The technical field is as follows:
the utility model relates to a derailleur technical field, more specifically the transmission mechanism who eliminates axial clearance that says so.
Background art:
at present, in the hydraulic transmission gearbox in the field of forklift manufacturing, when the output shaft in the existing gearbox is installed in the gearbox body, the output shaft is generally provided with two bearings which are pressed against each other at one end of the output shaft, the bearings are installed in the gearbox body to realize hinging, the output shaft is supported only by one single end, the balance of the output shaft is influenced, the other end of the output shaft is easy to shake, and the transmission stability is influenced.
The utility model has the following contents:
the utility model aims at overcoming the not enough of prior art, providing an eliminate axle clearance's drive mechanism, its output shaft atress is even, operates steadily, and is effectual.
The utility model provides a technical problem's scheme is:
a transmission mechanism for eliminating axial clearance comprises a gearbox body, wherein an output shaft is hinged on the gearbox body, and an input gear and an output gear are fixed on the output shaft;
two ends of the output shaft are hinged to the left side plate and the right side plate of the gearbox body through bearings, one end of the output shaft extends out of the outer wall surface of the gearbox body and is fixed with an output gear, and the other end of the output shaft is connected with an input gear.
The inner end face of the inner ring of the bearing at one end of the output shaft at the input gear is pressed against one side end face of the input gear, the elastic sheet is inserted and sleeved at one end of the output shaft at the input gear, and the elastic sheet is pressed against the corresponding end face of the output gear.
The middle part shaping of the inner of output shaft has the spline connection axial region, the tip shaping of spline connection axial region has the connection axial region, it fixes in the inner circle of the bearing that corresponds to connect the axial region, the middle part shaping of input gear has the spline through-hole, spline connection axial region plug bush cooperate in the spline through-hole of input gear and with the spline through-hole of input gear, plug bush has the flexure strip on the spline connection axial region, the terminal surface pressure of flexure strip is on the terminal surface in the inner of output shaft, another terminal surface pressure of flexure strip is on the terminal surface of input gear.
The outer end of the output shaft is inserted and sleeved in a connecting through hole of a side plate of the gearbox body, an outer ring and an oil seal of a bearing are fixed on the inner side wall of the connecting through hole, and the outer end of the output shaft is fixed in an inner ring of the bearing and clamped on the inner side wall of the oil seal.
The elastic sheet is a butterfly elastic cushion.
The utility model discloses an outstanding effect is:
compared with the prior art, the two ends of the output shaft of the gear transmission mechanism are provided with the bearings, so that the gear transmission mechanism is uniform in stress, stable in operation and good in effect, and the elastic sheets arranged on the output shaft can prevent the input gear from axially moving, so that the service lives of the input gear and the output shaft are prolonged.
Description of the drawings:
fig. 1 is a partial structural schematic diagram of the present invention;
fig. 2 is a schematic structural diagram of the present invention installed in the whole transmission.
The specific implementation mode is as follows:
1-2, a transmission mechanism for eliminating axial clearance comprises a gearbox body 100, an output shaft 10 is hinged on the gearbox body 100, and an input gear 11 and an output gear 12 are fixed on the output shaft 10;
two ends of the output shaft 10 are hinged to left and right side plates of the transmission case 100 through bearings, one end of the output shaft 10 extends out of the outer wall surface of the transmission case 100 and is fixed with an output gear 12, and the other end of the output shaft 10 is connected with an input gear 11.
Further, an inner end surface of an inner ring of the bearing of one end of the output shaft 10 at the input gear 11 is pressed against one side end surface of the input gear 11, an elastic piece 13 is inserted and sleeved at one end of the output shaft 10 at the input gear 11, and the elastic piece 13 is pressed against a corresponding end surface of the output gear 12.
Further, a spline connecting shaft portion 15 is formed in the middle of the inner end of the output shaft 10, a connecting shaft portion is formed at the end of the spline connecting shaft portion 15, the connecting shaft portion is fixed in the inner ring of the corresponding bearing, a spline through hole is formed in the middle of the input gear 11, the spline connecting shaft portion 15 is inserted into the spline through hole of the input gear 11 and is matched with the spline through hole of the input gear 11, an elastic sheet 13 is inserted into the spline connecting shaft portion 15, one end face of the elastic sheet 13 is pressed against the end face of the inner end of the output shaft 10, and the other end face of the elastic sheet 13 is pressed against the end face of the input gear 11.
Furthermore, the outer end of the output shaft 10 is inserted into a connecting through hole 101 of a side plate of the transmission case 100, an outer ring of the bearing and an oil seal 102 are fixed on the inner side wall of the connecting through hole 101, and the outer end of the output shaft 10 is fixed in the inner ring of the bearing and clamped on the inner side wall of the oil seal 102.
Further, the elastic piece 13 is a butterfly-shaped elastic pad.
The working principle is as follows: in this embodiment, the two ends of the output shaft 10 are hinged in the transmission case 100 through bearings, so that when the output shaft 10 rotates, the stress is balanced and uniform, the normal operation of the output shaft is ensured, the transmission balance degree is improved, and meanwhile, the input gear 11 cannot move on the output shaft 10 through the addition of the elastic sheet 13, so that the abrasion of the output shaft 10 and the input gear 11 is reduced, and the service lives of the output shaft 10 and the input gear 11 are prolonged.
Finally, the above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.
Claims (5)
1. A transmission mechanism for eliminating axial clearance, comprising a gearbox body (100), characterized in that: an output shaft (10) is hinged to the gearbox body (100), and an input gear (11) and an output gear (12) are fixed on the output shaft (10);
two ends of the output shaft (10) are hinged to the left side plate and the right side plate of the gearbox body (100) through bearings, one end of the output shaft (10) extends out of the outer wall surface of the gearbox body (100) and is fixed with an output gear (12), and the other end of the output shaft (10) is connected with an input gear (11).
2. A drive mechanism for eliminating axial play as defined in claim 1, wherein: the inner end surface of the inner ring of the bearing at one end of the output shaft (10) at the input gear (11) is pressed against one side end surface of the input gear (11), an elastic sheet (13) is inserted and sleeved at one end of the output shaft (10) at the input gear (11), and the elastic sheet (13) is pressed against the corresponding end surface of the output gear (12).
3. A drive mechanism for eliminating axial play as defined in claim 2, wherein: the middle part shaping of the inner of output shaft (10) has spline connection axial region (15), the tip shaping of spline connection axial region (15) has the connection axial region, it fixes in the inner circle of the bearing that corresponds to connect the axial region, the middle part shaping of input gear (11) has the spline through-hole, spline connection axial region (15) plug bush cooperatees in the spline through-hole of input gear (11) and with the spline through-hole of input gear (11), plug bush has flexure strip (13) on spline connection axial region (15), the terminal surface pressure of flexure strip (13) is on the terminal surface of the inner of output shaft (10), the other terminal surface pressure of flexure strip (13) is on the terminal surface of input gear (11).
4. A drive mechanism for eliminating axial play as defined in claim 1, wherein: the outer end of the output shaft (10) is inserted and sleeved in a connecting through hole (101) of a side plate of the gearbox body (100), an outer ring of a bearing and an oil seal (102) are fixed on the inner side wall of the connecting through hole (101), and the outer end of the output shaft (10) is fixed in an inner ring of the bearing and clamped on the inner side wall of the oil seal (102).
5. A drive mechanism for eliminating axial play as defined in claim 2, wherein: the elastic sheet (13) is a butterfly elastic pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921349552.8U CN210566137U (en) | 2019-08-20 | 2019-08-20 | Transmission mechanism for eliminating axial clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921349552.8U CN210566137U (en) | 2019-08-20 | 2019-08-20 | Transmission mechanism for eliminating axial clearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210566137U true CN210566137U (en) | 2020-05-19 |
Family
ID=70659848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921349552.8U Active CN210566137U (en) | 2019-08-20 | 2019-08-20 | Transmission mechanism for eliminating axial clearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210566137U (en) |
-
2019
- 2019-08-20 CN CN201921349552.8U patent/CN210566137U/en active Active
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