CN209977084U - Axle subassembly, derailleur and vehicle - Google Patents
Axle subassembly, derailleur and vehicle Download PDFInfo
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- CN209977084U CN209977084U CN201920224229.1U CN201920224229U CN209977084U CN 209977084 U CN209977084 U CN 209977084U CN 201920224229 U CN201920224229 U CN 201920224229U CN 209977084 U CN209977084 U CN 209977084U
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- threaded connection
- rotating shaft
- spacing portion
- shaft
- recess
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Abstract
The utility model provides an axle subassembly, derailleur and vehicle, axle subassembly includes: the end part of the rotating shaft is provided with a thread and a groove; the threaded connection piece comprises a body and a limiting portion, one end of the body is connected with the limiting portion, the body is screwed on the threads, and at least part of the limiting portion is embedded in the groove to prevent the threaded connection piece from rotating relative to the rotating shaft. The utility model provides a shaft assembly, through set up spacing portion on threaded connection spare, screw behind the pivot at threaded connection spare, make spacing portion take place deformation through external force, spacing portion part inlays in the recess, the recess carries on spacingly for the rotational degree of freedom of pivot threaded connection spare, and then has avoided threaded connection spare not hard up because of the vibration, because deformation takes place for spacing portion, inlay in the recess, it is effective for a long time to have ensured locking effect, and then make the derailleur can transmit power for car transmission axle steadily.
Description
Technical Field
The utility model relates to an automotive transmission technical field particularly, designs an axle subassembly, derailleur and vehicle.
Background
At present, an output shaft of an automobile transmission is provided with a flange (flange plate), the flange is connected with an automobile transmission shaft, and a threaded connector is screwed on the end of the output shaft to compress the flange.
In the related art, in order to prevent the loosening of the threaded connection piece, an elastic washer is additionally arranged between the threaded connection piece and the flange, or thread glue is coated on threads, but because the flange of the speed changer rotates at a high speed, no matter the elastic washer is additionally arranged or the thread glue is coated, the lasting anti-loosening effect cannot be achieved, the speed changer still can cause the loosening of the threaded connection piece after long-time operation, and therefore the speed changer cannot transmit power to an automobile transmission shaft.
SUMMERY OF THE UTILITY MODEL
The present invention aims at least solving one of the technical problems existing in the prior art or the related art.
To this end, a first aspect of the present invention provides a shaft assembly.
A second aspect of the present invention provides a transmission.
A third aspect of the present invention provides a vehicle.
In view of this, the utility model discloses an aspect provides an axle subassembly includes: the end part of the rotating shaft is provided with a thread and a groove; the threaded connection piece comprises a body and a limiting portion, one end of the body is connected with the limiting portion, the body is screwed on the threads, and at least part of the limiting portion is embedded in the groove to prevent the threaded connection piece from rotating relative to the rotating shaft.
The utility model provides a shaft assembly, through set up spacing portion on threaded connection spare, screw behind the pivot at threaded connection spare, make spacing portion take place deformation through external force, spacing portion part inlays in the recess, the recess carries on spacingly for the rotational degree of freedom of pivot threaded connection spare, and then has avoided threaded connection spare not hard up because of the vibration, because deformation takes place for spacing portion, inlay in the recess, it is effective for a long time to have ensured locking effect, and then make the derailleur can transmit power for car transmission axle steadily. And, after screwing threaded connection spare, only need strike spacing portion, or make spacing portion take place deformation and can realize spacing to threaded connection spare through the spacing portion of mould extrusion, simplified threaded connection spare's mounting means effectively for threaded connection spare's installation is more convenient.
Additionally, the utility model provides an axle subassembly among the above-mentioned technical scheme can also have following additional technical characterstic:
in the above technical solution, preferably, the groove is disposed on a cylindrical surface of the rotating shaft.
In this technical scheme, the axle subassembly is through setting up the recess on the face of cylinder of pivot, screws threaded connection spare in the pivot again, and spacing portion surrounds in the outside of recess, so directly make spacing portion take place to deform through external force and can make partial spacing portion inlay in the recess, has simplified assembly workman's the operation degree of difficulty, has promoted assembly efficiency.
In the above technical solution, preferably, the groove extends from the cylindrical surface of the rotating shaft to the end surface of the rotating shaft.
In this technical scheme, the axle subassembly is through setting up the recess to the terminal surface that extends to the pivot by the face of cylinder of pivot for the recess all is provided with the opening on the face of cylinder and the terminal surface of pivot, when needs are dismantled threaded connection spare, pass the opening that is located the pivot terminal surface through the instrument, the instrument stretches into between spacing portion and the recess inner wall, and then through the instrument with spacing portion perk, make spacing portion break away from the recess, twist threaded connection spare again and can realize the dismantlement to threaded connection spare, threaded connection spare's dismantlement technology has been simplified.
In any of the above technical solutions, preferably, the groove is provided on an end surface of the rotating shaft.
In this technical scheme, the axle subassembly is through setting up the recess on the terminal surface of pivot, avoids the recess to destroy the screw thread, has ensured threaded connection spare's joint strength, and then has ensured derailleur power take off's stability.
In any of the above technical solutions, preferably, the number of the grooves is plural.
In this technical scheme, the axle subassembly has promoted the joint strength of spacing portion with the pivot through setting up a plurality of recesses, has further promoted threaded connection's the effect of preventing changeing.
Preferably, the number of grooves is two or three.
In any of the above technical solutions, preferably, the grooves are uniformly distributed along the circumferential direction of the rotating shaft.
In this technical scheme, the axle subassembly is through setting up the recess to the circumference distribution along the pivot for the atress of spacing portion is more even, avoids spacing portion to take place secondary deformation at the rotatory in-process of pivot, further promotes derailleur power take off's stability.
Preferably, when the number of the grooves is two, the two grooves are arranged along the radial direction of the rotating shaft, that is, the angle between the two grooves is 180 degrees, and when the number of the grooves is three, the three grooves are uniformly distributed, that is, the angle between the adjacent grooves is 120 degrees.
In any of the above technical solutions, preferably, the stopper is in a closed circular ring shape.
In this technical scheme, the axle subassembly is through setting up spacing portion to the confined annular, spacing portion resistance to the intensity of tangential force has been promoted, when the threaded connection spare is installed, the power that the deformation of spacing portion took place is radial force, because the spacing portion of confined ring form does not increase the intensity of resisting radial force, so the spacing portion of confined ring form can not promote the installation degree of difficulty, in the derailleur working process, the pivot is rotatory, because vibrate, spacing portion receives the tangential force from the body, because the spacing portion of confined ring form increases the intensity of resisting the tangential force, and then the ability that spacing portion resists to take place secondary deformation because of the vibration has been promoted, and then threaded connection spare's locking effect has been promoted.
Here, the tangential force refers to a force applied to the limiting portion along a tangential direction of a cross section of the rotating shaft, and the radial force refers to a force applied to the limiting portion along a radial direction of the rotating shaft.
In any of the above technical solutions, preferably, the shaft assembly further includes: the flange is sleeved on the rotating shaft, one side of the flange abuts against the other end of the body, the other side of the flange abuts against a shaft shoulder of the rotating shaft, and a mounting hole is formed in the flange; the flange connecting piece is arranged in the mounting hole in a penetrating way.
In the technical scheme, the shaft assembly realizes the connection between the output shaft of the transmission and the transmission shaft of the automobile by arranging the flange (the flange plate) and the flange connecting piece, thereby realizing the output of power.
Preferably, the threaded connector is a nut, or a non-standard connector provided with internal threads.
Preferably, the projection of recess on the cross section of pivot is triangle-shaped or rectangle, and at pivot pivoted in-process, reduces the radial force that spacing portion received, avoids spacing portion to take place secondary deformation, has further promoted the spacing effect of recess.
The utility model discloses the second aspect provides a derailleur, include as above-mentioned any technical scheme the axle subassembly, consequently this derailleur possesses above-mentioned any technical scheme whole beneficial effect of axle subassembly.
The utility model discloses the third aspect provides a vehicle, include the axle subassembly as above-mentioned any technical scheme, or as above-mentioned technical scheme the derailleur, consequently this vehicle possesses whole beneficial effect of above-mentioned any technical scheme the axle subassembly, or above-mentioned technical scheme whole beneficial effect of derailleur.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 shows a cross-sectional view of a shaft assembly according to an embodiment of the invention;
FIG. 2 is an enlarged partial view of the shaft assembly shown in FIG. 1 at A in accordance with one embodiment of the present invention;
fig. 3 shows a schematic structural view of a shaft assembly according to an embodiment of the invention;
FIG. 4 is an enlarged partial view of the shaft assembly shown in FIG. 3 at B in accordance with one embodiment of the present invention;
fig. 5 shows a schematic structural view of a rotating shaft according to an embodiment of the present invention;
fig. 6 shows a schematic structural view of a threaded connection according to an embodiment of the invention;
fig. 7 shows a schematic structural view of a shaft assembly according to another embodiment of the present invention;
wherein, the correspondence between the reference numbers and the part names in fig. 1 to 7 is:
1 rotating shaft, 12 grooves, 2 threaded connectors, 22 body, 24 limiting parts, 3 lugs and 4 lug connectors.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Axle assemblies, transmissions, and vehicles according to some embodiments of the present invention are described below with reference to fig. 1-7.
In an embodiment of the first aspect of the present invention, as shown in fig. 1 to 7, the present invention provides an axle assembly, including: the rotary shaft comprises a rotary shaft 1 and a threaded connecting piece 2, wherein threads and grooves 12 are arranged at the end part of the rotary shaft 1; the threaded connector 2 comprises a body 22 and a limiting part 24, one end of the body 22 is connected with the limiting part 24, the body 22 is screwed on the threads, and at least part of the limiting part 24 is embedded in the groove 12 to prevent the threaded connector 2 from rotating relative to the rotating shaft 1.
In this embodiment, the axle subassembly is through setting up spacing portion 24 on threaded connection spare 2, screw in pivot 1 back at threaded connection spare 2, make spacing portion 24 take place to deform through external force, spacing portion 24 part inlays in recess 12, recess 12 is spacing for the rotational degree of freedom of pivot 1 threaded connection spare 2, and then avoided threaded connection spare 2 not hard up because of the vibration, because spacing portion 24 takes place to deform, inlay in recess 12, it is effective for a long time to have ensured locking effect, and then make the derailleur can transmit power for car transmission axle steadily. And, after screwing threaded connection spare 2, only need strike spacing portion 24, or make spacing portion 24 take place deformation and can realize spacing to threaded connection spare 2 through mould extrusion spacing portion 24, simplified threaded connection spare 2's mounting means effectively for threaded connection spare 2's installation is more convenient.
In one embodiment of the present invention, preferably, as shown in fig. 1 to 5, the groove 12 is disposed on the cylindrical surface of the rotating shaft 1.
In this embodiment, the shaft assembly is through setting up recess 12 on the face of cylinder of pivot 1, screws threaded connection spare 2 on pivot 1 again, and spacing portion 24 surrounds in the outside of recess 12, so directly make spacing portion 24 take place to deform through external force and can make partial spacing portion 24 inlay in recess 12, simplified assembly workman's the operation degree of difficulty, promoted assembly efficiency.
In one embodiment of the present invention, preferably, as shown in fig. 1 to 5, the groove 12 extends from the cylindrical surface of the rotating shaft 1 to the end surface of the rotating shaft 1.
In this embodiment, the axle subassembly is through setting up recess 12 to the terminal surface that extends to pivot 1 by the face of cylinder of pivot 1, make recess 12 all be provided with the opening on the face of cylinder and the terminal surface of pivot 1, when needs are dismantled threaded connection spare 2, pass the opening that is located the 1 terminal surface of pivot through the instrument, the instrument stretches into between spacing portion 24 and the recess 12 inner wall, and then through the instrument with spacing portion 24 perk, make spacing portion 24 break away from recess 12, twist threaded connection spare 2 again and can realize the dismantlement to threaded connection spare 2, the dismantlement technology of threaded connection spare 2 has been simplified.
In an embodiment of the present invention, preferably, the groove 12 is disposed on the end surface of the rotating shaft 1.
In the embodiment, the shaft assembly avoids the grooves 12 from damaging the threads by arranging the grooves 12 on the end surface of the rotating shaft 1, so that the connection strength of the threaded connection part 2 is ensured, and the stability of the power output of the transmission is further ensured.
In one embodiment of the present invention, it is preferable that the number of the grooves 12 is plural as shown in fig. 1 to 4.
In this embodiment, the shaft assembly has improved the joint strength of spacing portion 24 and pivot 1 through setting up a plurality of recesses 12, has further promoted the anti-rotation effect of threaded connection spare 2.
Preferably, the number of grooves 12 is two or three.
In one embodiment of the present invention, preferably, as shown in fig. 1 to 4, the grooves 12 are uniformly distributed along the circumferential direction of the rotating shaft 1.
In this embodiment, the shaft subassembly is through setting up recess 12 to the circumference distribution along pivot 1 for spacing portion 24's atress is more even, avoids spacing portion 24 to take place secondary deformation at the rotatory in-process of pivot 1, further promotes derailleur power take off's stability.
Preferably, when the number of the grooves 12 is two, two grooves 12 are arranged along the radial direction of the rotating shaft 1, that is, the angle between two grooves 12 is 180 degrees, and when the number of the grooves 12 is three, three grooves 12 are uniformly distributed, that is, the angle between adjacent grooves 12 is 120 degrees.
In an embodiment of the present invention, preferably, as shown in fig. 6, the limiting portion 24 is in a closed circular ring shape.
In this embodiment, the axle subassembly is through setting up spacing portion 24 to the confined annular, spacing portion 24 has promoted the intensity that resists the tangential force, when installation threaded connection spare 2, the power that spacing portion 24 takes place to be deformed and receives is radial force, because the spacing portion 24 of confined annular does not increase the intensity that resists the radial force, so the spacing portion 24 of confined annular can not promote the installation degree of difficulty, in the derailleur working process, pivot 1 is rotatory, because the vibration, spacing portion 24 receives the tangential force that comes from body 22, because the spacing portion 24 of confined annular increases the intensity that resists the tangential force, and then spacing portion 24 has been promoted and has resisted the ability that takes place secondary deformation because of the vibration, and then the locking effect of threaded connection spare 2 has been promoted.
Here, the tangential force refers to a force applied to the stopper portion 24 along a tangential direction of the cross section of the rotating shaft 1, and the radial force refers to a force applied to the stopper portion 24 along a radial direction of the rotating shaft 1.
In an embodiment of the present invention, preferably, as shown in fig. 7, the shaft assembly further includes: the flange 3 is sleeved on the rotating shaft 1, one side of the flange 3 abuts against the other end of the body 22, the other side of the flange 3 abuts against a shaft shoulder of the rotating shaft 1, and the flange 3 is provided with a mounting hole; the flange connecting piece 4 is arranged in the mounting hole in a penetrating way.
In the embodiment, the shaft assembly realizes the connection between the output shaft of the transmission and the transmission shaft of the automobile by arranging the flange 3 and the flange connecting piece 4, thereby realizing the output of power.
Preferably, as shown in fig. 6, the threaded connector 2 is a nut, or a non-standard connector provided with an internal thread.
Preferably, the projection of the groove 12 on the cross section of the rotating shaft 1 is triangular or rectangular, so that in the rotating process of the rotating shaft 1, the radial force applied to the limiting part 24 is reduced, the secondary deformation of the limiting part 24 is avoided, and the limiting effect of the groove 12 is further improved.
In an embodiment of the second aspect of the present invention, the present invention provides a transmission, comprising a shaft assembly according to any one of the above embodiments, so that the transmission has all the advantages of the shaft assembly according to any one of the above embodiments.
In an embodiment of the third aspect of the present invention, the present invention provides a vehicle, comprising the axle assembly according to any one of the above embodiments, or the transmission according to any one of the above embodiments, so that the vehicle has all the advantages of the axle assembly according to any one of the above embodiments, or all the advantages of the transmission according to any one of the above embodiments.
Preferably, the vehicle is a sedan, an off-road vehicle, a van or a passenger car.
In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In the present disclosure, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. A shaft assembly, comprising:
the end part of the rotating shaft is provided with a thread and a groove;
the threaded connection piece comprises a body and a limiting portion, one end of the body is connected with the limiting portion, the body is screwed on the threads, and at least part of the limiting portion is embedded in the groove to prevent the threaded connection piece from rotating relative to the rotating shaft.
2. The shaft assembly of claim 1,
the groove is arranged on the cylindrical surface of the rotating shaft.
3. The shaft assembly of claim 2,
the groove extends from the cylindrical surface of the rotating shaft to the end surface of the rotating shaft.
4. The shaft assembly of claim 1,
the groove is arranged on the end face of the rotating shaft.
5. The shaft assembly of claim 1,
the number of the grooves is multiple.
6. The shaft assembly of claim 5,
the grooves are uniformly distributed along the circumferential direction of the rotating shaft.
7. The shaft assembly of claim 1,
the limiting part is in a closed circular ring shape.
8. The shaft assembly of any one of claims 1 to 7, further comprising:
the flange is sleeved on the rotating shaft, one side of the flange abuts against the other end of the body, the other side of the flange abuts against a shaft shoulder of the rotating shaft, and a mounting hole is formed in the flange;
the flange connecting piece penetrates through the mounting hole.
9. A transmission, characterized by comprising a shaft assembly according to any one of claims 1 to 8.
10. A vehicle, characterized by comprising an axle assembly according to any one of claims 1 to 8.
11. A vehicle comprising the transmission of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920224229.1U CN209977084U (en) | 2019-02-21 | 2019-02-21 | Axle subassembly, derailleur and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920224229.1U CN209977084U (en) | 2019-02-21 | 2019-02-21 | Axle subassembly, derailleur and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209977084U true CN209977084U (en) | 2020-01-21 |
Family
ID=69253257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920224229.1U Active CN209977084U (en) | 2019-02-21 | 2019-02-21 | Axle subassembly, derailleur and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209977084U (en) |
-
2019
- 2019-02-21 CN CN201920224229.1U patent/CN209977084U/en active Active
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