CN211715572U - Magnetic synchronizer and transmission - Google Patents
Magnetic synchronizer and transmission Download PDFInfo
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- CN211715572U CN211715572U CN202020379364.6U CN202020379364U CN211715572U CN 211715572 U CN211715572 U CN 211715572U CN 202020379364 U CN202020379364 U CN 202020379364U CN 211715572 U CN211715572 U CN 211715572U
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Abstract
The utility model provides a magnetic synchronizer and a transmission, which comprises a gear hub, a joint sleeve, a first magnetic part and a second magnetic part, wherein the gear hub is coaxially connected with an output shaft; the joint sleeve is coaxially sleeved on the gear hub and is used for freely sliding along the axial direction of the gear hub when driven by external force; the first magnetic part is provided with a plurality of N poles and S poles which are arranged in a staggered mode, and the first magnetic part is used for being fixedly connected with an idle gear idling on the output shaft; the second magnetic part is fixedly connected with the joint sleeve, and a plurality of N poles and S poles which are arranged in a staggered mode are arranged on the second magnetic part; when the gear shifting device is used for gear shifting operation, the magnetic field generated by the first magnetic piece is matched to drive the joint sleeve and the idle gear to synchronously rotate. The magnetic synchronizer provided by the utility model has no noise, and the structure of the synchronizer can not generate abrasion; and no friction is generated in the gear shifting process, so that the gear shifting speed is improved. Also has the characteristics of low cost, convenient manufacture and long service life.
Description
Technical Field
The utility model belongs to the technical field of the transmission, more specifically say, relate to a magnetism synchronizer and derailleur.
Background
The existing synchronizer for the automobile gearbox has the forms of normal pressure type, inertia type, self-boosting type and the like. The inertia synchronizer is mainly composed of structures such as a joint sleeve, a synchronous lock ring and the like, and is characterized in that the synchronization is realized by depending on the friction action, and the inertia synchronizer has the defect that noise is generated in the friction action process; the inner and outer conical surfaces of the synchronizer can be continuously abraded in the working process, and the service life of the synchronizer is shortened.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a magnetic synchronizer, it is shorter to aim at solving current synchronizer life, can produce the technical problem of noise simultaneously in the use.
In order to achieve the above object, the utility model adopts the following technical scheme: there is provided a magnetic synchronizer including: the gear hub is used for being coaxially connected with the output shaft;
the joint sleeve is coaxially sleeved on the gear hub and is used for freely sliding along the axial direction of the gear hub when driven by external force;
the first magnetic part is provided with a plurality of N poles and S poles which are arranged in a staggered mode, and the first magnetic part is used for being fixedly connected with an idle gear which idles on an output shaft; and
the second magnetic part is fixedly connected with the joint sleeve, and a plurality of N poles and S poles which are arranged in a staggered mode are arranged on the second magnetic part; when the gear shifting device is used for gear shifting operation, the magnetic field generated by the first magnetic piece is matched to drive the joint sleeve and the idle gear to synchronously rotate.
As another embodiment of the present application, the first magnetic member is disposed on an end of the idler gear proximate to the gear hub; the second magnetic piece is arranged on one end, close to the idle gear, of the joint sleeve.
As another embodiment of the present application, the first magnetic member and the second magnetic member are respectively a magnetic ring structure; the first magnetic part and the second magnetic part are respectively arranged coaxially with the output shaft; the diameter of the outer ring of the first magnetic part is smaller than that of the inner ring of the second magnetic part.
As another embodiment of the present application, a coupling sleeve connecting seat is disposed on the coupling sleeve, and the coupling sleeve connecting seat is detachably connected to the second magnetic member; the first magnetic part is detachably connected with the idle gear through the gear connecting seat.
As another embodiment of the present application, the first magnetic member and the second magnetic member include an electromagnet structure.
As another embodiment of the present application, the first magnetic member includes a plurality of first electromagnets, and the plurality of first electromagnets form an annular structure coaxially disposed with the output shaft; each first electromagnet is detachably connected with the gear connecting seat; the N pole or S pole of each first electromagnet faces the diameter direction of the output shaft; and N poles and S poles of the adjacent first electromagnets are arranged in a staggered manner.
As another embodiment of the present application, the second magnetic member includes a plurality of second electromagnets, and the plurality of second electromagnets form an annular structure coaxially disposed with the engaging sleeve; each second electromagnet is detachably connected with the joint sleeve connecting seat; the N pole or S pole of each second electromagnet is arranged along the diameter direction of the joint sleeve; and N poles and S poles of the adjacent second electromagnets are arranged in a staggered manner.
As another embodiment of the application, the joint sleeve is provided with a connecting piece which is fixedly connected with the shifting fork.
The utility model provides a pair of magnetic synchronizer's beneficial effect lies in: compared with the prior art, the utility model relates to a magnetism synchronizer, what the idle gear relied on when realizing being connected with the clutch collar is the magnetic force of first magnetic part and second magnetic part, can not produce the contact between first magnetic part and the second magnetic part, does not have the noise, and the structure of synchronizer can not produce wearing and tearing. And no friction is generated in the gear shifting process, so that the gear shifting speed is improved. The magnetic synchronizer also has the characteristics of low cost, convenience in manufacturing and long service life.
The utility model also provides a derailleur, the derailleur is provided with as above-mentioned arbitrary magnetic synchronizer.
The specific functions and features of the transmission provided by the embodiment are described in the above description of the magnetic synchronizer, and are not described herein again.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic front view of a magnetic synchronizer according to an embodiment of the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic view of the gear hub of FIG. 2 shown in an un-sectioned configuration;
FIG. 4 is a side view of the first magnetic member;
fig. 5 is a side view of the second magnetic member.
FIG. 6 is a schematic side view of another first magnetic member;
FIG. 7 is a schematic side view of another second magnetic member;
in the figure: 1. an output shaft; 2. an idler gear; 3. a first magnetic member; 31. a first electromagnet; 4. a gear connecting base; 5. a second magnetic member; 51. a second electromagnet; 6. a coupling sleeve connecting seat; 7. a joint sleeve; 71. a connecting member; 8. a gear hub.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 7, a magnetic synchronizer according to the present invention will be described. The magnetic synchronizer comprises a gear hub 8, a joint sleeve 7, a first magnetic part 3 and a second magnetic part 5, wherein the gear hub 8 is used for being coaxially connected with an output shaft 1; the joint sleeve 7 is coaxially sleeved on the gear hub 8 and is used for freely sliding along the axial direction of the gear hub 8 when driven by external force; the first magnetic part 3 is provided with a plurality of N poles and S poles which are arranged in a staggered mode, and the first magnetic part 3 is used for being fixedly connected with the idle gear 2 which idles on the output shaft 1; the second magnetic part 5 is fixedly connected with the joint sleeve 7, and a plurality of N poles and S poles which are arranged in a staggered mode are arranged on the second magnetic part 5; when the gear shifting device is used for gear shifting operation, the magnetic field of the first magnetic piece 3 is matched to drive the joint sleeve 7 and the idle gear 2 to synchronously rotate.
Mounting a first magnetic member 3 on the idler gear 2; the gear hub 8 is mounted on the output shaft 1, then the engaging sleeve 7 is mounted on the gear hub 8, and then the second magnetic member 5 is mounted on the engaging sleeve 7. The idle gear 2 idles on the output shaft 1 to drive the first magnetic part 3 to rotate, the joint sleeve 7 can be driven to move by means of external force during gear shifting, so that the second magnetic part 5 enters a magnetic field in the first magnetic part 3, the magnetic field formed by the first magnetic part 3 can be overlapped with the magnetic field formed by the second magnetic part 5, the rotation of the first magnetic part 3 can cause the change of the magnetic field of the first magnetic part 3 to drive the second magnetic part 5 to rotate, and further drive the joint sleeve 7 to rotate, and the rotation of the joint sleeve 7 drives the gear hub 8 and the output shaft 1 to rotate. It should be noted that the second magnetic member 5 finally achieves synchronous rotation with the first magnetic member 3 under the action of the magnetic field.
It should be noted that the inner wall of the engaging sleeve 7 is provided with a tooth groove for slidably connecting with the gear structure on the gear hub 8.
The utility model provides a pair of magnetism synchronizer, compared with the prior art, the utility model provides a what the magnetism synchronizer, idler gear 2 relied on when realizing being connected with clutch collar 7 is the magnetic force of first magnetic part 3 and second magnetic part 5, can not produce the contact between first magnetic part 3 and the second magnetic part 5, does not have the noise, and the structure of synchronizer can not produce wearing and tearing. And no friction is generated in the gear shifting process, so that the gear shifting speed is improved, and the gear shifting is smoother. The magnetic synchronizer also has the characteristics of low cost, convenience in manufacturing and long service life.
As an embodiment of the present invention, please refer to fig. 1 to 7 together, the first magnetic member 3 is disposed on one end of the idle gear 2 close to the gear hub 8; the second magnetic member 5 is disposed on an end of the engaging sleeve 7 proximate to the idler gear 2. This arrangement minimizes the moving distance of the engaging sleeve 7 when the first magnetic member 3 and the second magnetic member 5 generate magnetic force, thereby improving the sensitivity of the magnetic synchronizer.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 5, wherein the first magnetic member 3 and the second magnetic member 5 are respectively a magnetic ring structure; the first magnetic part 3 and the second magnetic part 5 are respectively arranged coaxially with the output shaft 1; the outer ring diameter of the first magnetic member 3 is smaller than the inner ring diameter of the second magnetic member 5. During gear shifting, the engaging sleeve 7 moves towards the direction of the idle gear 2 under the driving of external force, so that the first magnetic part 3 moves into the inner ring of the second magnetic part 5, and a gap is formed between the first magnetic part 3 and the second magnetic part 5, and no contact is generated. The first magnetic part 3 rotates along with the rotation of the idler gear 2, the N poles and the S poles on the first magnetic part 3 are arranged in a staggered mode, all magnetic fields generated by the first magnetic part 3 are always in a changing state, and the change of the magnetic field of the first magnetic part 3 can drive the second magnetic part 5 to rotate until the first magnetic part 3 and the second magnetic part 5 rotate synchronously, so that power is transmitted out of the output shaft 1.
As a specific implementation manner of the embodiment of the present invention, the outer ring diameter of the second magnetic member 5 is smaller than the inner ring diameter of the first magnetic member 3, and the engaging sleeve 7 moves toward the direction of the idle gear 2 under the driving of the external force during the gear shifting, so that the second magnetic member 5 moves into the inner ring of the first magnetic member 3, and the first magnetic member 3 and the second magnetic member 5 have a gap therebetween, and do not contact with each other. The first magnetic part 3 rotates along with the rotation of the idler gear 2, the N poles and the S poles on the first magnetic part 3 are arranged in a staggered mode, all magnetic fields generated by the first magnetic part 3 are always in a changing state, and the change of the magnetic field of the first magnetic part 3 can drive the second magnetic part 5 to rotate until the first magnetic part 3 and the second magnetic part 5 rotate synchronously, so that power is transmitted out of the output shaft 1.
As an embodiment of the present invention, please refer to fig. 1, fig. 2, fig. 3 and fig. 5, a connection seat 6 is disposed on the connection sleeve 7, and the connection seat 6 is detachably connected to the second magnetic member 5. The joint sleeve connecting seat 6 facilitates the maintenance and replacement of the second magnetic piece 5 by operators.
As a specific implementation manner of the embodiment of the present invention, the joint sleeve connecting seat 6 includes one or more of a joint sleeve boss structure, a projection connected with the second magnetic member 5 through a bolt structure, as long as the second magnetic member 5 and the joint sleeve 7 can be fixedly connected.
In the present embodiment, the joint sleeve connecting seat 6 may be integrally provided with the joint sleeve 7 or may be detachably connected with the joint sleeve 7 by means of a screw structure or a bolt structure.
As a specific implementation manner of the embodiment of the present invention, the first magnetic member 3 is detachably connected to the idle gear 2 through the gear connecting seat 4. The gear connecting seat 4 facilitates the maintenance and replacement of the first magnetic part 3 by an operator.
In this embodiment, the gear connecting seat 4 includes one or more of a gear boss and a protrusion connected to the first magnetic member 3 through a bolt structure, as long as the first magnetic member 3 can be fixedly connected to the idler gear 2.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 7, wherein the first magnetic member 3 and the second magnetic member 5 include electromagnet structural members. The controllability of the electromagnet structural member is strong, and whether the first magnetic member 3 and the second magnetic member 5 have magnetic force or not can be quickly controlled, and the magnitude of the generated magnetic force can be adjusted; the staggered arrangement of the N pole and the S pole on the first magnetic member 3 and the second magnetic member 5 is facilitated.
As a specific implementation of the embodiment of the utility model provides a first magnetic part 3, second magnetic part 5 also include the permanent magnet, and the permanent magnet receives external disturbance little, need not just produce magnetic force with the help of external power.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 6, the first magnetic member 3 includes a plurality of first electromagnets 31, and the plurality of first electromagnets 31 form an annular structure coaxially disposed with the output shaft 1; each first electromagnet 31 is detachably connected with the gear connecting seat 4; the N pole or S pole of each first electromagnet 31 is oriented in the diameter direction of the output shaft 1; the N poles and S poles of the adjacent first electromagnets 31 are arranged alternately.
In this embodiment, the adjacent first electromagnets 31 are fixedly connected by a bolt structure, so that the integrity of the first magnetic member 3 is improved.
It should be noted that the plurality of first electromagnets 31 are electrically connected to an external power source by wires, respectively.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, fig. 2, fig. 3, fig. 5 and fig. 7, the second magnetic member 5 includes a plurality of second electromagnets 51, and the plurality of second electromagnets 51 form an annular structure coaxially disposed with the engaging sleeve 7; each second electromagnet 51 is detachably connected with the joint sleeve connecting seat 6; the N pole or S pole of each second electromagnet 51 is oriented in the radial direction of the engaging sleeve 7; the N poles and S poles of the adjacent second electromagnets 51 are arranged alternately.
In this embodiment, the adjacent second electromagnets 51 are fixedly connected by a bolt structure, so that the integrity of the second magnetic member 5 is improved.
It should be noted that the plurality of second electromagnets 51 are electrically connected to an external power supply through wires, respectively.
In this embodiment, the first electromagnet 31 and the second electromagnet 51 include magnets or permanent magnets having both N poles and S poles, and also include magnets or permanent magnets only selecting N pole segments or S pole segments as active segments.
As an embodiment of the present invention, please refer to fig. 1, fig. 2, fig. 3 and fig. 5, a connecting member 71 for fixedly connecting with a shifting fork is disposed on the engaging sleeve 7. The connection piece 71 facilitates the fixed connection of the coupling sleeve 7 to the fork.
As a specific implementation of the embodiment of the utility model, the connecting piece 71 includes the swivel becket, and the swivel becket is class bearing structure, by the round inner ring, the round outer loop and set up a ball of crossing between inner ring and outer loop and constitute, inner ring and 7 outer wall fixed connection of clutch collar, the outer loop can be dismantled with the one end of shift fork and be connected. The shifting fork can keep relatively stable when the joint sleeve 7 and the idle gear 2 synchronously rotate.
As a specific implementation manner of the embodiment of the present invention, the connecting member 71 includes a connecting ring and a sliding block, the connecting ring is sleeved on the outer wall of the engaging sleeve 7 and is fixedly connected to the outer wall of the engaging sleeve 7, and the connecting ring is similar; the sliding block and the connecting ring are in sliding connection and are used for rotating circumferentially along the connecting ring, and the sliding block is fixedly connected with one end of the shifting fork. When the engaging sleeve 7 rotates, the connecting ring rotates along with the rotation of the engaging sleeve 7, the position of the sliding block can be relatively stable, and the connecting piece 71 ensures that the position of the shifting fork can be relatively stable when the engaging sleeve 7 and the idle gear 2 synchronously rotate.
The utility model also provides a derailleur, this derailleur are provided with the above the magnetism synchronizer. The specific functional implementation of the transmission provided by the present embodiment is described in the above magnetic synchronizer, and will not be described herein again.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A magnetic synchronizer, comprising:
the gear hub is used for being coaxially connected with the output shaft;
the joint sleeve is coaxially sleeved on the gear hub and is used for freely sliding along the axial direction of the gear hub when driven by external force;
the first magnetic part is provided with a plurality of N poles and S poles which are arranged in a staggered mode, and the first magnetic part is used for being fixedly connected with an idle gear which idles on an output shaft; and
the second magnetic part is fixedly connected with the joint sleeve, and a plurality of N poles and S poles which are arranged in a staggered mode are arranged on the second magnetic part; when the gear shifting device is used for gear shifting operation, the magnetic field generated by the first magnetic piece is matched to drive the joint sleeve and the idle gear to synchronously rotate.
2. A magnetic synchronizer according to claim 1, wherein: the first magnetic piece is arranged at one end of the idle gear close to the gear hub; the second magnetic piece is arranged on one end, close to the idle gear, of the joint sleeve.
3. A magnetic synchronizer according to claim 2, wherein: the first magnetic part and the second magnetic part are respectively of a magnetic ring structure; the first magnetic part and the second magnetic part are respectively arranged coaxially with the output shaft; the diameter of the outer ring of the first magnetic part is smaller than that of the inner ring of the second magnetic part.
4. A magnetic synchronizer according to claim 3, wherein: the joint sleeve is provided with a joint sleeve connecting seat which is detachably connected with the second magnetic piece; the first magnetic part is detachably connected with the idle gear through the gear connecting seat.
5. A magnetic synchronizer according to claim 4, wherein: the first magnetic part and the second magnetic part comprise electromagnet structural parts.
6. A magnetic synchronizer according to claim 5, wherein: the first magnetic part comprises a plurality of first electromagnets, and the first electromagnets form an annular structure which is coaxial with the output shaft; each first electromagnet is detachably connected with the gear connecting seat; the N pole or S pole of each first electromagnet faces the diameter direction of the output shaft; and N poles and S poles of the adjacent first electromagnets are arranged in a staggered manner.
7. A magnetic synchronizer according to claim 5, wherein: the second magnetic part comprises a plurality of second electromagnets which form an annular structure coaxially arranged with the joint sleeve; each second electromagnet is detachably connected with the joint sleeve connecting seat; the N pole or S pole of each second electromagnet is arranged along the diameter direction of the joint sleeve; and N poles and S poles of the adjacent second electromagnets are arranged in a staggered manner.
8. A magnetic synchronizer according to any one of claims 1 to 7, wherein: and the joint sleeve is provided with a connecting piece which is fixedly connected with the shifting fork.
9. A transmission, characterized by: the transmission is provided with a magnetic synchronizer according to any of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020379364.6U CN211715572U (en) | 2020-03-24 | 2020-03-24 | Magnetic synchronizer and transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020379364.6U CN211715572U (en) | 2020-03-24 | 2020-03-24 | Magnetic synchronizer and transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211715572U true CN211715572U (en) | 2020-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020379364.6U Active CN211715572U (en) | 2020-03-24 | 2020-03-24 | Magnetic synchronizer and transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211715572U (en) |
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2020
- 2020-03-24 CN CN202020379364.6U patent/CN211715572U/en active Active
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