CN216200346U - Novel transmission two-shaft gear positioning structure - Google Patents
Novel transmission two-shaft gear positioning structure Download PDFInfo
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- CN216200346U CN216200346U CN202122343344.0U CN202122343344U CN216200346U CN 216200346 U CN216200346 U CN 216200346U CN 202122343344 U CN202122343344 U CN 202122343344U CN 216200346 U CN216200346 U CN 216200346U
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Abstract
The utility model discloses a novel transmission double-shaft gear positioning structure, wherein a double-shaft gear is sleeved on a double shaft in an empty way, and one side of the double-shaft gear is tightly attached to a shaft shoulder of the double shaft; the two shafts are provided with a stop ring groove and a spline groove; the stop ring is arranged in a stop ring groove of the two shafts, the limiting spacer is arranged in the spline groove, and one side of the limiting spacer is tightly attached to the other side of the two-shaft gear for fixing; the two-shaft gear seat is sleeved on the two shafts, two side surfaces of the two-shaft gear seat are respectively provided with a stop ring mounting groove and a limiting spacer mounting groove, the limiting spacer mounting groove on the two-shaft gear seat is tightly attached to the other side of the limiting spacer for fixation, and one side of the stop ring is tightly attached to the stop ring mounting groove of the two-shaft gear seat for fixation; when the gear engaging device does not work, the sliding sleeve is meshed with the outer spline of the two-shaft gear seat, and in the gear engaging process, the sliding sleeve is stressed to move and is simultaneously meshed with the two-shaft gear seat and the two-shaft gear through the outer spline to complete gear engaging operation.
Description
Technical Field
The utility model belongs to the field of gearboxes, and particularly belongs to a novel transmission double-shaft gear positioning structure.
Background
The gearbox is an important component of an automobile transmission system, and in the process of assembling the two shafts of the gearbox, the axial movement of the gears on the two shafts needs to be limited to a certain degree, so that the gears are prevented from moving randomly and the running stability of a vehicle is prevented from being influenced. The assembly positioning mode of the gear on the present gearbox two shafts is mainly for increasing the check ring, gear spacer etc. and fixing a position in gear both sides, but to motor transmission, when carrying out assembly positioning through axle head spline pad, the spline spacer is in between two gears, at the in-process of putting into gear, can shorten the effective length that the gear put into gear meshing, long-time work leads to gear fatigue life not enough, produces the damage to the gear, consequently need provide a neotype positioner of gear on the gearbox gear shaft.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides a novel assembling and positioning structure of a gear on a two-shaft, which is simple in structure, can increase the effective meshing length of gear engagement, and improves the fatigue life of the two shafts and the gear.
In order to achieve the purpose, the utility model provides the following technical scheme:
a novel transmission double-shaft gear positioning structure comprises a double shaft, a stop ring, a double-shaft gear seat, a limiting spacer, a sliding sleeve and a double-shaft gear;
the two-shaft gear is sleeved on the two shafts in a hollow manner, and one side of the two-shaft gear is tightly attached to a shaft shoulder of the two shafts; the two shafts are provided with a stop ring groove and a spline groove; the stop ring is arranged in a stop ring groove of the two shafts, the limiting spacer is arranged in the spline groove, and one side of the limiting spacer is tightly attached to the other side of the two-shaft gear for fixing;
the two-shaft tooth holder is sleeved on the two shafts, two side surfaces of the two-shaft tooth holder are respectively provided with a stop ring mounting groove and a limiting spacer mounting groove, the limiting spacer mounting groove on the two-shaft tooth holder is tightly attached to the other side of the limiting spacer for fixing, and one side of the stop ring is tightly attached to the stop ring mounting groove of the two-shaft tooth holder for fixing;
all be provided with external splines on two toothholders and the two gears, external splines are used for meshing with the sliding sleeve, and when out of work, the sliding sleeve meshes with the external splines of two toothholders mutually, and at the in-process of putting into gear, the sliding sleeve atress removes, accomplishes the operation of putting into gear through external splines and two toothholders and two gears meshing simultaneously.
Preferably, the height of the gear hub of the stop ring mounting groove on the two-shaft gear seat is greater than the outer diameter of the stop ring.
Preferably, the width of the gear hub of the stop ring mounting groove on the two-axis gear seat is greater than that of the stop ring.
Preferably, the limiting spacer comprises two semicircular spacers, and the two semicircular spacers are oppositely attached to the spline grooves of the two shafts.
Preferably, the height of the gear hub of the mounting groove of the limiting spacer on the two-shaft gear seat is not less than the outer diameter of the limiting spacer.
Preferably, the gear hub width of the mounting groove of the limiting spacer on the two-shaft gear seat is smaller than the width of the limiting spacer.
Preferably, the outer diameter of the stop ring is smaller than that of the limiting spacer.
Preferably, the width of the stop ring is smaller than that of the limiting spacer.
Compared with the prior art, the utility model has the following beneficial technical effects:
the utility model provides a novel assembling and positioning structure of a two-shaft gear, wherein a stop ring mounting groove and a limiting spacer mounting groove are respectively arranged on two side surfaces of a two-shaft gear seat, the limiting spacer mounting groove increases the width of a gear hub on the right side of the gear seat, and ensures that the width of the gear hub on the right side of the gear seat is slightly smaller than that of the limiting spacer, so that in the gear engaging process, on one hand, the length of a sliding sleeve meshed with the gear seat and the gear is increased, the stress and the abrasion are reduced, the gear engaging reliability is improved, and the service life of the gear is prolonged, on the other hand, the torque can be transmitted to the limiting spacer by the gear firstly and then transmitted to the gear seat and the two shafts by the limiting spacer, the gear and the two shafts are prevented from being directly abraded, the abrasion is prevented from being aggravated, and the service life of a two-shaft assembly is prolonged.
Furthermore, the height of the gear hub of the stop ring mounting groove on the two-shaft gear seat is larger than the outer diameter of the stop ring. Through the tooth hub height on the left side of the tooth seat being larger than the outer diameter of the stop ring, the stop ring can be ensured to be tightly attached to the tooth hub on the left side of the tooth seat on the two shafts, and the tooth seat is limited to move leftwards along the axial direction of the two shafts.
Furthermore, the limiting spacer is of a two-piece semicircular structure, and during assembly, the two limiting spacers are oppositely attached to the corresponding spline grooves of the two shafts and used for limiting the axial right movement of the two-shaft gear seat.
Furthermore, the height of the gear hub of the mounting groove of the limiting spacer on the two-shaft gear seat is not less than the outer diameter of the limiting spacer. Through the outside diameter of the limiting spacer with the height of the gear hub on the right side of the gear seat being slightly larger than or equal to the outside diameter of the limiting spacer, the limiting spacer can be ensured to be tightly attached to the gear hub on the right side of the two-shaft five-six gear seat, and two limiting spacers can be fixed to prevent the limiting spacer from falling.
Drawings
FIG. 1 is an assembly view of a component of a novel transmission double shaft gear positioning structure of the present invention;
FIG. 2 is a view showing an assembly relationship between a limiting spacer and the right side of a toothholder;
FIG. 3 is a schematic view of a novel two-axis gear positioning structure according to the present invention;
in the drawings: 1 is biaxial; 2, a stop ring; 3 is a biaxial toothholder; 4 is a spacing spacer; 5 is a sliding sleeve; 6 is a biaxial gear.
Detailed Description
The present invention will now be described in further detail with reference to specific examples, which are intended to be illustrative, but not limiting, of the utility model.
The utility model discloses a novel transmission double-shaft gear positioning structure which comprises a double shaft 1, a stop ring 2, a double-shaft gear seat 3, a limiting spacer 4, a sliding sleeve 5 and a double-shaft gear 6.
The two-shaft gear 6 is sleeved on the two shaft 1 in an empty way, and one side of the two-shaft gear 6 is tightly attached to the shaft shoulder of the two shaft 1; a stop ring 2 groove and a spline groove are arranged on the secondary shaft 1; the stop ring 2 is arranged in a stop ring groove of the biaxial 1, the limiting spacer 4 is arranged in the spline groove, and one side of the limiting spacer 4 is tightly attached to the other side of the biaxial gear 6 for fixing; the two-shaft toothholder 3 is sleeved on the two shaft 1, two side surfaces of the two-shaft toothholder 3 are respectively provided with a stop ring mounting groove and a limiting spacer mounting groove, the limiting spacer mounting groove on the two-shaft toothholder 3 is tightly attached to the other side of the limiting spacer 4 for fixation, and one side of the stop ring 2 is tightly attached to the stop ring mounting groove of the two-shaft toothholder 3 for fixation; all be provided with external splines on two toothholders 3 and two gears 6, external splines are used for meshing with sliding sleeve 5, and when out of work, sliding sleeve 5 meshes with two toothholders 3's external splines mutually, and at the in-process of putting into gear, sliding sleeve 5 atress removes, accomplishes the operation of putting into gear through external splines and two toothholders 3 and two gears 6 mesh simultaneously.
The height of the gear hub of the stop ring mounting groove on the two-shaft gear seat 3 is larger than the outer diameter of the stop ring 2. The gear hub width of the stop ring mounting groove on the two-axis gear seat 3 is larger than that of the stop ring 2.
The limiting spacer 4 comprises two semicircular annular spacers which are oppositely attached in spline grooves of the two shafts 1.
The tooth hub height of the upper limit spacer mounting groove of the two-shaft tooth holder 3 is not less than the outer diameter of the limit spacer 4. The gear hub width of the upper limit spacer mounting groove of the biaxial toothholder 3 is less than the width of the limit spacer 4.
The outer diameter of the stop ring 2 is smaller than that of the spacing spacer 4. The width of the stop ring 2 is smaller than that of the spacing spacer 4.
Examples
As shown in fig. 1 to 3, a novel transmission dual-shaft gear positioning structure mainly comprises a dual shaft 1, a limiting spacer 4, a dual shaft gear seat 3, a sliding sleeve 5, a dual shaft gear 6 and a stop ring 2.
The two-shaft 1 is provided with a stop ring groove and a spline groove; the stop ring 2 is arranged in the two-axis stop ring groove, and the two-axis toothholder 3 is arranged at the corresponding position of the two axes; the height of the left gear hub of the two-shaft gear seat 3 is larger than the outer diameter of the stop ring 2, so that the stop ring 2 can be ensured to be tightly attached to the left gear hub of the two-shaft gear seat 3 on the two shafts, and the two-shaft gear seat 3 is limited to move leftwards along the axial direction of the two shafts; the limiting spacer 4 is of a two-piece semicircular structure, and when the limiting spacer is assembled, the two limiting spacers 4 are oppositely mounted in the corresponding spline grooves of the two shafts and used for limiting the axial right movement of the two-shaft gear seat; the height of the right gear hub of the two-shaft gear seat 3 is slightly more than or equal to the outer diameter of the limiting spacer 4, so that the limiting spacer 4 can be ensured to be tightly attached to the right gear hub of the two-shaft five-six gear seat, and two limiting spacers 4 can be fixed to prevent the limiting spacer 4 from falling off; the two-shaft gear 6 is sleeved on the corresponding position of the two shafts in a hollow way, and the left side of the two-shaft gear 6 is tightly attached to the right side of the limiting spacer 4, so that the left movement of the two-shaft gear 6 in the axial direction can be limited; the two-shaft toothholder 3 and the two-shaft gear 6 are both provided with external splines capable of being meshed with the sliding sleeve 5, under the condition of no work, the sliding sleeve 5 is only meshed with the external splines of the two-shaft toothholder 3, in the gear engaging process, the sliding sleeve 5 is forced to move rightwards, and the gear engaging operation is completed through the simultaneous meshing of the splines, the two-shaft toothholder 3 and the two-shaft gear 6.
Two 3 right side tooth hub widths of toothholder are less than spacing spacer 4 width slightly, in the in-process of putting into gear, can guarantee on the one hand that sliding sleeve 5 and two 6 and the two 3 length increase of the simultaneous meshing of toothholder, reduce stress, improve the reliability of putting into gear, on the other hand can guarantee to put into gear the in-process moment of torsion and transmit spacing spacer 4 for at first by two 6 gears, then transmit for adjacent two toothholders 3 and two, the aggravation of preventing wearing and tearing, improve the life-span of two gears 6 and two.
Through increasing 3 right side tooth hub widths of two toothholders, and guarantee that 3 right side tooth hub widths of two toothholders are less than spacing spacer 4 width slightly, put into gear the in-process, can guarantee the length increase of sliding sleeve 5 and two toothholders 3 and two gears 6 meshing simultaneously on the one hand, reduce stress and wearing and tearing, improve two gears 6 life-spans, on the other hand guarantees to put into gear the in-process, the moment of torsion can be given for spacing spacer 4 by two gears 6 earlier, then give two toothholders 3 and two shafts by spacing spacer 4 transmission, avoid direct wear two gears 6 and two shafts, improve the life-span of two shaft assemblies.
Claims (8)
1. A novel transmission double-shaft gear positioning structure is characterized by comprising a double shaft (1), a stop ring (2), a double-shaft gear seat (3), a limiting spacer (4), a sliding sleeve (5) and a double-shaft gear (6);
the two-shaft gear (6) is sleeved on the two shaft (1) in an empty way, and one side of the two-shaft gear (6) is tightly attached to a shaft shoulder of the two shaft (1); a stop ring (2) groove and a spline groove are formed in the two shafts (1); the stop ring (2) is arranged in a stop ring groove of the biaxial gear (1), the limiting spacer (4) is arranged in the spline groove, and one side of the limiting spacer (4) is tightly attached to the other side of the biaxial gear (6) for fixing;
the two-shaft toothholder (3) is sleeved on the two shaft (1), two side surfaces of the two-shaft toothholder (3) are respectively provided with a stop ring mounting groove and a limiting spacer mounting groove, the limiting spacer mounting groove on the two-shaft toothholder (3) is tightly attached to the other side of the limiting spacer (4) for fixation, and one side of the stop ring (2) is tightly attached to the stop ring mounting groove of the two-shaft toothholder (3) for fixation;
all be provided with external splines on two toothholders (3) and two gears (6), external splines are used for meshing with sliding sleeve (5), and when out of work, sliding sleeve (5) mesh mutually with the external splines of two toothholders (3), and at the in-process of putting into gear, sliding sleeve (5) atress removes, accomplishes the operation of putting into gear through external splines and two toothholders (3) and two gears (6) meshing simultaneously.
2. The novel transmission countershaft gear positioning structure according to claim 1, wherein the hub height of the stop ring mounting groove on the countershaft carrier (3) is greater than the outer diameter of the stop ring (2).
3. The novel transmission countershaft gear positioning structure of claim 1, wherein the hub width of the stop ring mounting groove on the countershaft carrier (3) is greater than the width of the stop ring (2).
4. The novel transmission countershaft gear positioning structure according to claim 1, wherein the limiting spacer (4) comprises two semicircular spacers, and the two semicircular spacers are attached to spline grooves of the countershaft (1).
5. The novel transmission double shaft gear positioning structure according to claim 1, characterized in that the hub height of the positioning spacer mounting groove on the double shaft gear seat (3) is not less than the outer diameter of the positioning spacer (4).
6. The novel transmission double shaft gear positioning structure according to claim 1, characterized in that the hub width of the positioning spacer mounting groove on the double shaft gear seat (3) is smaller than the width of the positioning spacer (4).
7. The novel transmission double shaft gear positioning structure according to claim 1, characterized in that the outer diameter of the stop ring (2) is smaller than the outer diameter of the limiting spacer (4).
8. The novel transmission double shaft gear positioning structure according to claim 1, characterized in that the width of the stop ring (2) is smaller than the width of the limiting spacer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122343344.0U CN216200346U (en) | 2021-09-26 | 2021-09-26 | Novel transmission two-shaft gear positioning structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122343344.0U CN216200346U (en) | 2021-09-26 | 2021-09-26 | Novel transmission two-shaft gear positioning structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216200346U true CN216200346U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122343344.0U Active CN216200346U (en) | 2021-09-26 | 2021-09-26 | Novel transmission two-shaft gear positioning structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216200346U (en) |
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2021
- 2021-09-26 CN CN202122343344.0U patent/CN216200346U/en active Active
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