CN216588852U - Throttle shaft for a motor vehicle - Google Patents
Throttle shaft for a motor vehicle Download PDFInfo
- Publication number
- CN216588852U CN216588852U CN202123032157.7U CN202123032157U CN216588852U CN 216588852 U CN216588852 U CN 216588852U CN 202123032157 U CN202123032157 U CN 202123032157U CN 216588852 U CN216588852 U CN 216588852U
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- throttle shaft
- shaft body
- throttle
- driven gear
- connecting shaft
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Abstract
The utility model discloses an air throttle shaft for an automobile, which comprises an air throttle shaft body, wherein one end of the air throttle shaft body is connected with a driven gear, the driven gear is used for being meshed with a driving gear on a rotating shaft of a driving motor positioned in an air throttle assembly, one end of the air throttle shaft body is integrally formed with a first connecting shaft, the outer diameter of the first connecting shaft is smaller than that of the air throttle shaft body, the first connecting shaft and the air throttle shaft body are coaxially arranged, a first annular step is formed at the joint of the first connecting shaft and the air throttle shaft body, the driven gear is sleeved outside the first connecting shaft and abuts against the first annular step, a plurality of countersunk holes which are circumferentially distributed are formed in the driven gear, one end of the air throttle shaft body is provided with threaded holes which are in one-to-one correspondence with each countersunk hole, and the driven gear is fixed with the air throttle shaft body through bolts which are movably arranged in the countersunk holes and in threaded connection with the threaded holes; the utility model can effectively avoid the phenomenon of relative rotation between the driven gear and the throttle shaft body.
Description
Technical Field
The utility model relates to the technical field of throttle valve assemblies, in particular to a throttle valve shaft for an automobile.
Background
The throttle shaft is an important part in an automobile throttle assembly, a driven gear is mounted at one end of the throttle shaft and is used for being meshed with a driving gear on a rotating shaft of a driving motor located in the throttle assembly, when the driving motor in the throttle assembly drives the driving gear to rotate, the throttle shaft can be driven to rotate under the matching action of the driving gear and the driven gear, and when the throttle shaft rotates, a valve plate fixed on the throttle shaft can be driven to rotate, so that the opening degree of the throttle assembly can be adjusted; at present, the driven gear arranged at one end of the throttle shaft is only sleeved with the throttle shaft, so that the phenomenon of relative rotation easily occurs between the driven gear and the throttle shaft when the driven gear drives the throttle shaft to rotate for a long time.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a throttle shaft for an automobile, which can effectively avoid the phenomenon of relative rotation between a driven gear and a throttle shaft body.
The utility model discloses an air throttle shaft for an automobile, which comprises an air throttle shaft body, wherein one end of the air throttle shaft body is connected with a driven gear, the driven gear is used for being meshed with a driving gear on a rotating shaft of a driving motor positioned in an air throttle assembly, one end of the air throttle shaft body is integrally formed with a first connecting shaft, the outer diameter of the first connecting shaft is smaller than that of the air throttle shaft body, the first connecting shaft and the air throttle shaft body are coaxially arranged, a first annular step is formed at the joint of the first connecting shaft and the air throttle shaft body, the driven gear is sleeved outside the first connecting shaft and abuts against the first annular step, a plurality of countersunk holes which are circumferentially distributed are formed in the driven gear, one end of the air throttle shaft body is provided with threaded holes which are in one-to-one correspondence with each countersunk hole, and the driven gear is fixed with the air throttle shaft body through bolts which are movably arranged in the countersunk holes in a penetrating mode and in threaded connection with the threaded holes.
According to the throttle shaft for the automobile, the outer peripheral wall of one end, away from the throttle shaft body, of the first connecting shaft is provided with the first annular chamfer surface, and the first annular chamfer surface is matched with the inner peripheral wall of the driven gear to guide so that the driven gear can be conveniently sleeved outside the first connecting shaft; through the setting of first annular chamfer face, when driven gear cup jointed with the cooperation of first connecting axle, driven gear's internal perisporium can lead with the cooperation of first annular chamfer face in order to make things convenient for driven gear to establish the outside of establishing first connecting axle.
The utility model relates to a throttle shaft for an automobile, wherein a bearing is arranged at the other end of a throttle shaft body, the bearing and the throttle shaft body are coaxially arranged, an inner ring in the bearing is connected with the throttle shaft body, and an outer ring in the bearing is embedded with a shell in a throttle assembly; after the bearing is installed at the other end of the throttle shaft body, the throttle shaft body can be reliably and rotatably connected with the shell in the throttle assembly, so that the rotation of the throttle shaft body relative to the shell is smoother, and in addition, the phenomenon of mutual abrasion of the shell in the throttle shaft body and the throttle assembly can be avoided through the arrangement of the bearing, so that the service life of the throttle assembly can be prolonged.
The utility model relates to an air throttle shaft for an automobile, wherein a second connecting shaft with the outer diameter smaller than that of an air throttle shaft body is integrally formed at the other end of the air throttle shaft body, the second connecting shaft and the air throttle shaft body are coaxially arranged, a second annular step is formed at the joint of the second connecting shaft and the air throttle shaft body, and an inner ring in a bearing is sleeved outside the second connecting shaft; an annular clamping groove is formed in the outer wall of the second connecting shaft and located on the outer side of the bearing, a clamp spring is clamped on the annular clamping groove in a matched mode, and the clamp spring is used for abutting against an inner ring in the bearing; after adopting this kind of structure, the bearing can be reliably in the same place with the assembly of throttle shaft body, and can effectively avoid the bearing to appear breaking away from the phenomenon of throttle shaft body.
According to the throttle shaft for the automobile, the outer peripheral wall of one end, away from the throttle shaft body, of the second connecting shaft is provided with a second annular chamfer surface, and the second annular chamfer surface is used for being matched and guided with the inner peripheral wall of the inner ring in the bearing so as to facilitate the inner ring in the bearing to be sleeved outside the second connecting shaft; through the arrangement of the second annular chamfer surface, when the bearing is matched and sleeved with the second connecting shaft, the inner peripheral wall of the inner ring in the bearing can be matched and guided with the second annular chamfer surface so as to facilitate the inner ring in the bearing to be sleeved outside the second connecting shaft.
According to the utility model, the driven gear is provided with the plurality of counter bores which are distributed circumferentially, and after one end of the throttle shaft body is provided with the threaded holes which are in one-to-one correspondence with each counter bore, when the driven gear and the throttle shaft body are fixed with the throttle shaft body through the bolts which are arranged in the counter bores in a penetrating manner and are in threaded connection with the threaded holes, the phenomenon of relative rotation between the driven gear and the throttle shaft body can be effectively avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic view of a first three-dimensional structure of the present invention with a bolt and a clamp spring removed;
FIG. 2 is a schematic view of a second three-dimensional structure of the present invention with the bolt and the clamp spring removed;
FIG. 3 is a schematic cross-sectional view of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 3;
fig. 5 is an enlarged schematic view of a portion B in fig. 3.
Detailed Description
In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the utility model. That is, in some embodiments of the utility model, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model discloses a throttle shaft for an automobile, which comprises a throttle shaft body 1, wherein one end of the throttle shaft body 1 is connected with a driven gear 2, the driven gear 2 is used for being meshed with a driving gear on a rotating shaft of a driving motor positioned in a throttle assembly, one end of the throttle shaft body 1 is integrally formed with a first connecting shaft 11 with the outer diameter smaller than that of the throttle shaft body 1, the first connecting shaft 11 and the throttle shaft body 1 are coaxially arranged, a first annular step 12 is formed at the joint of the first connecting shaft 11 and the throttle shaft body 1, the driven gear 2 is sleeved outside the first connecting shaft 11 and abuts against the first annular step 12, a plurality of circumferentially distributed countersunk holes 21 are formed in the driven gear 2, one end of the throttle shaft body 1 is provided with threaded holes 13 which are in one-to-one correspondence with each countersunk hole 21, and the driven gear 2 is fixed with the throttle shaft body 1 through bolts 3 which are movably arranged in the countersunk holes 21 and in threaded connection with the threaded holes 13.
A first annular chamfer surface 14 is arranged on the outer peripheral wall of one end, far away from the throttle shaft body 1, of the first connecting shaft 11, and the first annular chamfer surface 14 is used for being matched and guided with the inner peripheral wall of the driven gear 2 so as to facilitate the driven gear 2 to be sleeved outside the first connecting shaft 11; through the setting of first annular chamfer face, when driven gear cup jointed with the cooperation of first connecting axle, driven gear's internal perisporium can cooperate the direction with first annular chamfer face with the outside of convenient driven gear cover establishment first connecting axle.
The other end of the throttle shaft body 1 is provided with a bearing 4, the bearing 4 and the throttle shaft body 1 are coaxially arranged, an inner ring in the bearing 4 is connected with the throttle shaft body 1, and an outer ring in the bearing 4 is embedded with a shell in the throttle assembly; after the bearing is installed at the other end of the throttle shaft body, the throttle shaft body can be reliably and rotatably connected with the shell in the throttle assembly, so that the rotation of the throttle shaft body relative to the shell is smoother, and in addition, the phenomenon of mutual abrasion of the shell in the throttle shaft body and the throttle assembly can be avoided through the arrangement of the bearing, so that the service life of the throttle assembly can be prolonged.
A second connecting shaft 15 with the outer diameter smaller than that of the throttle shaft body 1 is integrally formed at the other end of the throttle shaft body 1, the second connecting shaft 15 and the throttle shaft body 1 are coaxially arranged, a second annular step 16 is formed at the joint of the second connecting shaft 15 and the throttle shaft body 1, and an inner ring in the bearing 4 is sleeved outside the second connecting shaft 15; an annular clamping groove 17 is formed in the outer wall of the second connecting shaft 15 located on the outer side of the bearing 4, a clamping spring 5 is clamped on the annular clamping groove 17 in a matched mode, and the clamping spring 5 is used for abutting against an inner ring in the bearing 4; after adopting this kind of structure, the bearing can be reliably in the same place with the assembly of throttle shaft body, and can effectively avoid the bearing to appear breaking away from the phenomenon of throttle shaft body.
A second annular chamfer surface 18 is arranged on the outer peripheral wall of one end, far away from the throttle shaft body 1, of the second connecting shaft 15, and the second annular chamfer surface 18 is used for being matched and guided with the inner peripheral wall of an inner ring in the bearing 4 so as to facilitate the inner ring in the bearing 4 to be sleeved outside the second connecting shaft 15; through the arrangement of the second annular chamfer surface, when the bearing is matched and sleeved with the second connecting shaft, the inner peripheral wall of the inner ring in the bearing can be matched and guided with the second annular chamfer surface so as to facilitate the inner ring in the bearing to be sleeved outside the second connecting shaft.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (5)
1. The utility model provides a throttle shaft for car, includes throttle shaft body (1), the one end of throttle shaft body (1) is connected with driven gear (2), driven gear (2) are used for with the epaxial driving gear meshing of pivot of the driving motor who is arranged in the throttle assembly, its characterized in that: one end of the throttle shaft body (1) is integrally formed with a first connecting shaft (11) with the outer diameter smaller than that of the throttle shaft body (1), the first connecting shaft (11) and the throttle shaft body (1) are coaxially arranged, a first annular step (12) is formed at the connecting part of the first connecting shaft (11) and the throttle shaft body (1), the driven gear (2) is sleeved outside the first connecting shaft (11) and is abutted against the first annular step (12), a plurality of countersunk holes (21) which are distributed in the circumferential direction are arranged in the driven gear (2), one end of the throttle shaft body (1) is provided with threaded holes (13) which correspond to the countersunk holes (21) one by one, the driven gear (2) is fixed with the throttle shaft body (1) through a bolt (3) which is movably arranged in the counter bore (21) in a penetrating way and is in threaded connection with the threaded hole (13).
2. The throttle shaft for automobile according to claim 1, wherein the first connecting shaft (11) is provided with a first annular chamfered surface (14) on the outer peripheral wall of the end far away from the throttle shaft body (1), and the first annular chamfered surface (14) is used for guiding in cooperation with the inner peripheral wall of the driven gear (2) to facilitate the sleeving of the driven gear (2) to the outside of the first connecting shaft (11).
3. The throttle shaft for automobile according to claim 1, wherein the other end of the throttle shaft body (1) is mounted with a bearing (4), the bearing (4) is coaxially arranged with the throttle shaft body (1), an inner ring of the bearing (4) is connected with the throttle shaft body (1), and an outer ring of the bearing (4) is embedded with a housing of the throttle assembly.
4. The throttle shaft for automobile according to claim 3, wherein the other end of the throttle shaft body (1) is integrally formed with a second connecting shaft (15) having an outer diameter smaller than that of the throttle shaft body (1), the second connecting shaft (15) is coaxially disposed with the throttle shaft body (1), a second annular step (16) is formed at a joint of the second connecting shaft (15) and the throttle shaft body (1), and an inner ring of the bearing (4) is sleeved outside the second connecting shaft (15); and an annular clamping groove (17) is formed in the outer wall of the second connecting shaft (15) on the outer side of the bearing (4), a clamping spring (5) is clamped on the annular clamping groove (17) in a matched mode, and the clamping spring (5) is used for abutting against an inner ring in the bearing (4).
5. The throttle shaft for motor vehicles according to claim 4, wherein the second connecting shaft (15) is provided with a second annular chamfered surface (18) on the outer peripheral wall of the end away from the throttle shaft body (1), and the second annular chamfered surface (18) is used for guiding in cooperation with the inner peripheral wall of the inner ring in the bearing (4) to facilitate the inner ring in the bearing (4) to be sleeved outside the second connecting shaft (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123032157.7U CN216588852U (en) | 2021-12-03 | 2021-12-03 | Throttle shaft for a motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123032157.7U CN216588852U (en) | 2021-12-03 | 2021-12-03 | Throttle shaft for a motor vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216588852U true CN216588852U (en) | 2022-05-24 |
Family
ID=81651578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123032157.7U Active CN216588852U (en) | 2021-12-03 | 2021-12-03 | Throttle shaft for a motor vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216588852U (en) |
-
2021
- 2021-12-03 CN CN202123032157.7U patent/CN216588852U/en active Active
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