CN209743427U - carbon synchronizer ring subassembly is pasted to automotive transmission bipyramid - Google Patents
carbon synchronizer ring subassembly is pasted to automotive transmission bipyramid Download PDFInfo
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- CN209743427U CN209743427U CN201920218299.6U CN201920218299U CN209743427U CN 209743427 U CN209743427 U CN 209743427U CN 201920218299 U CN201920218299 U CN 201920218299U CN 209743427 U CN209743427 U CN 209743427U
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- outer ring
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- conical surface
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Abstract
The utility model discloses an automobile transmission bipyramid carbon-attached synchronous ring component, which comprises an outer ring, a middle ring and an inner ring, wherein friction layers are respectively stuck on the inner conical surface of the outer ring and the outer conical surface of the inner ring, and the friction layers are carbon fiber fabric reinforced resin-based friction material layers; a plurality of convex ridges are uniformly distributed on the outer peripheral surface of the outer ring, and the convex ridges are in clearance fit with an inner groove of a gear hub on the synchronizer. The utility model discloses a synchronizing ring subassembly passes through the frictional layer is all pasted to inner ring conical surface, the outer conical surface of inner ring, increases coefficient of friction, improves the synchronism performance for the power of shifting reduces, and the impulse of shifting reduces. The 12 equal convex ridges on the outer peripheral surface of the outer ring are matched with the inner grooves of the gear hub, so that the posture of the synchronizing ring assembly is more stable, the impact sound of the outer ring and the gear hub of the synchronizer is reduced, the gear shifting impact is also reduced, and the gear shifting is more comfortable.
Description
Technical Field
The utility model relates to an automotive transmission field, concretely relates to automotive transmission bipyramid pastes carbon synchronizer ring subassembly.
Background
With the rapid development of the automobile manufacturing industry, the requirements of customers on the quality of an automobile transmission are higher and higher, including gear shifting comfort and noise of the transmission, and the rotating speed of a gear of the transmission is consistent with the rotating speed of a synchronizer under the action of friction force between conical surfaces of a synchronous ring of the automobile transmission.
The existing synchronizing ring has the defects of not compact structure, poor friction performance and poor synchronization performance, so that the transmission has large impact and poor hand feeling during gear shifting, and can not meet the requirements of customers.
The derailleur is when the neutral gear, and the synchronizer ring floats in the derailleur, and the rotational speed when the engine drives the derailleur and rotates is undulant, leads to synchronizer ring and synchronous ware tooth hub to produce the striking, and the striking can produce the noise, and the noise is bigger when especially low temperature, has brought not good experience for the customer, influences customer's driving comfort.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a carbon synchronizer ring subassembly is pasted to automotive transmission bipyramid to reduce the noise that synchronizer ring and synchronizer gear hub striking produced.
Therefore, the utility model provides an automobile transmission bipyramid pastes carbon synchronizing ring subassembly, including outer loop, zhonghuan, and inner ring, the friction layer has all been pasted on the outer conical surface of the interior conical surface of outer loop and inner ring, the friction layer is carbon fabric reinforcing resin base friction material layer; a plurality of convex ridges are uniformly distributed on the outer peripheral surface of the outer ring, and the convex ridges are in clearance fit with an inner groove of a gear hub on the synchronizer.
Further, the outer peripheral surface of the outer ring is fitted with an inner groove of the hub by means of 12 equally divided ridges.
Furthermore, the height of the convex edge is 0.3-0.8mm, the width of the convex edge is 1-3mm, and the fit clearance between the convex edge and the gear hub is 0.4-0.8 mm.
Furthermore, one end of the convex edge is flush with the outer side end face of the outer ring, and the other end of the convex edge extends to the spline tooth end face of the outer ring.
Further, the outer ring is provided with a plurality of fan-shaped bosses, the inner ring is provided with a plurality of fan-shaped grooves, and coupling connection is formed between the inner ring and the outer ring.
The utility model discloses a synchronizing ring subassembly passes through the frictional layer is all pasted to inner ring conical surface, the outer conical surface of inner ring, increases coefficient of friction, improves the synchronism performance for the power of shifting reduces, and the impulse of shifting reduces. Further, 12 equal convex ridges on the outer ring peripheral surface are matched with the gear hub inner groove, so that the posture of the synchronizing ring assembly is more stable, the impact sound of the outer ring and the synchronizer gear hub is reduced, the gear shifting impact is also reduced, and the gear shifting is more comfortable. In addition, the fan-shaped bosses are coupled with the fan-shaped grooves, so that the structure of the synchronous ring assembly is more compact.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic perspective view of an automotive transmission double-cone carbon-attached synchronizer ring assembly according to the present invention;
FIG. 2 is a cross-sectional view of an automotive transmission double cone carbon attached synchronizer ring assembly of the present invention;
FIG. 3 is a schematic structural view of an outer ring of the double-cone carbon-attached synchronizer ring assembly of the automotive transmission of the present invention;
FIG. 4 is a schematic structural view of a middle ring of the double-cone carbon-attached synchronizer ring assembly of the automotive transmission of the present invention;
FIG. 5 is a schematic structural view of an outer ring of the double-cone carbon-attached synchronizer ring assembly of the automotive transmission of the present invention;
FIG. 6 is a schematic view of the double cone carbon attached synchronizer ring assembly and the gear hub of the automotive transmission according to the present invention; and
Fig. 7 is a partially enlarged schematic view of a portion a of fig. 6.
Description of the reference numerals
1. An outer ring; 2. A middle ring;
3. an inner ring; 4. Convex edges;
5. A fan-shaped boss; 6. An inner conical surface;
7. an outer conical surface; 8. An inner conical surface;
9. A boss; 10. An outer conical surface;
11. a fan-shaped groove; 12. A gear hub;
13. An inner tank.
Detailed Description
it should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Fig. 1-7 illustrate some embodiments according to the present invention.
As shown in fig. 1 and 2, the double-cone carbon-attached synchronizer ring assembly for the automobile transmission comprises an outer ring 1, a middle ring 2 and an inner ring 3, wherein the middle ring 2 is arranged in the outer ring 1, the inner ring 3 is arranged in the middle ring 2, an inner conical surface 6 of the outer ring is matched with an outer conical surface 7 of the middle ring 2, and an inner conical surface 8 of the middle ring 2 is matched with an outer conical surface 10 of the inner ring 3.
In one embodiment, the inner conical surface 6 of the outer ring and the outer conical surface 10 of the inner ring are both adhered with friction layers, and the friction layers are carbon fiber fabric reinforced resin based friction material layers; through increasing the coefficient of friction between the internal and external conical surfaces, the synchronism performance is improved, the gear shifting force is reduced, and the gear shifting impulse is reduced.
in one embodiment, as shown in fig. 3, 6 and 7, 12 convex ridges 4 are equally arranged on the outer peripheral surface of the outer ring 1, the convex ridges 4 are flush with the right end surface of the outer ring 1, the other end of the outer ring extends to the spline tooth end surface leftwards, the height of the convex ridges 4 is 0.5mm, the width of the convex ridges 4 is 2mm, the convex ridges 4 on the outer peripheral surface of the outer ring 1 are matched with an inner groove 13 of a synchronizer gear hub, the matching gap in the radius direction is 0.6mm, and the outer peripheral surface of the outer ring is matched with the inner groove 13 of the gear hub through the 12 equally-divided convex ridges, so that the posture of the synchronizer ring assembly is more stable, the impact sound of the outer ring and the synchronizer gear hub is reduced, the gear shifting impact is.
in one embodiment, as shown in fig. 3, the outer ring 1 is provided with three fan-shaped bosses 5 along its inner conical surface 6, the fan-shaped bosses 5 are flush with the right end surface of the outer ring 1, and the thickness of the fan-shaped bosses 5 is 2 mm. The fan-shaped boss 5, the convex edge 4 and the outer ring 1 are of an integral structure and are integrally formed by adopting a stamping process.
in one embodiment, as shown in fig. 4, 6 bosses 9 are equally arranged on the left end surface of the middle ring 2, the height of the boss 9 is 6.5mm, the width of the boss 9 is 10mm, the thickness of the boss 9 is 3.5mm, and the boss 9 of the middle ring 2 extends outwards and is matched with the 6 equally-divided grooves of the external gear.
in one embodiment, as shown in fig. 5, the inner ring 3 is equally provided with three fan-shaped grooves 11 along its outer conical surface, and the fan-shaped grooves 11 cooperate with the fan-shaped bosses 5 to couple the outer ring 1 and the inner ring 3, so that the structure of the synchronizer ring assembly is more compact.
In one embodiment, the outer ring, the middle ring and the inner ring are made of steel, the outer ring and the middle ring are made of 20CrMnTiH, and the middle ring is made of GCr 15.
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 (5)
1. A double-cone carbon-attached synchronous ring component of an automobile transmission comprises an outer ring (1), a middle ring (2) and an inner ring (3), and is characterized in that,
friction layers are respectively stuck on the inner conical surface (6) of the outer ring (1) and the outer conical surface (10) of the inner ring (3), and the friction layers are carbon fiber fabric reinforced resin-based friction material layers;
A plurality of convex ribs (4) are uniformly distributed on the outer peripheral surface of the outer ring (1), and the convex ribs (4) are in clearance fit with an inner groove of a gear hub (12) on the synchronizer.
2. The automotive transmission double cone carbon synchronizer ring assembly according to claim 1, wherein the outer ring (1) outer peripheral surface is fitted with an inner groove (13) of a hub (12) by means of 12 equally divided ridges (4).
3. The automotive transmission double-cone carbon-coated synchronizer ring assembly according to claim 2, wherein the height of the convex edge (4) is 0.3-0.8mm, the width of the convex edge is 1-3mm, and the fit clearance between the convex edge and the gear hub (12) is 0.4-0.8 mm.
4. the automotive transmission double-cone carbon-coated synchronizer ring assembly according to claim 1, wherein one end of the convex edge (4) is flush with the outer side end face of the outer ring (1), and the other end extends to the spline tooth end face of the outer ring (1).
5. The automotive transmission double cone carbon synchronizing ring assembly according to claim 1, characterized in that the outer ring (1) has a plurality of sector-shaped bosses (5) and the inner ring (3) has a plurality of sector-shaped grooves (11) which form a coupling connection therebetween.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920218299.6U CN209743427U (en) | 2019-02-21 | 2019-02-21 | carbon synchronizer ring subassembly is pasted to automotive transmission bipyramid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920218299.6U CN209743427U (en) | 2019-02-21 | 2019-02-21 | carbon synchronizer ring subassembly is pasted to automotive transmission bipyramid |
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| CN209743427U true CN209743427U (en) | 2019-12-06 |
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| CN201920218299.6U Active CN209743427U (en) | 2019-02-21 | 2019-02-21 | carbon synchronizer ring subassembly is pasted to automotive transmission bipyramid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022457A (en) * | 2019-12-31 | 2020-04-17 | 武汉协和齿环有限公司 | Radial carbon frock of pasting of ring gear |
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2019
- 2019-02-21 CN CN201920218299.6U patent/CN209743427U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022457A (en) * | 2019-12-31 | 2020-04-17 | 武汉协和齿环有限公司 | Radial carbon frock of pasting of ring gear |
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