CN204716961U - The auxiliary box cylinder assembly of a kind of high gear side band spring - Google Patents
The auxiliary box cylinder assembly of a kind of high gear side band spring Download PDFInfo
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- CN204716961U CN204716961U CN201520266325.4U CN201520266325U CN204716961U CN 204716961 U CN204716961 U CN 204716961U CN 201520266325 U CN201520266325 U CN 201520266325U CN 204716961 U CN204716961 U CN 204716961U
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- high gear
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- cylinder
- auxiliary box
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Abstract
The utility model discloses the auxiliary box cylinder assembly of a kind of high gear side band spring, comprise cylinder block, inner in cylinder block, declutch shift shaft is connected by hexagonal nylon ring locking thin nut with piston, the end winding support of cylinder block has odd-side shifting cylinder lid, the sidewall of cylinder block is provided with the stopper structure coordinated with the gear shifting structure on declutch shift shaft, the high gear side inwall of cylinder block offers the circle shape groove coaxial with declutch shift shaft, arrange spring in circle shape groove, the free height of spring is greater than the degree of depth of circle shape groove.The utility model can be avoided O RunddichtringO to damage and produce gas leakage, is beneficial to protection auxiliary box synchronizer and high gear gear simultaneously, also can reduces the generation of odd-side high gear conical ring carbon cloth obscission to a great extent.
Description
Technical field
The utility model relates to a kind of auxiliary box cylinder, is specifically related to the auxiliary box cylinder assembly of a kind of high gear side band spring.
Background technique
There is high gear conical ring carbon fiber friction material and easily come off and wear problem in current odd-side lockpin-type list cone synchronizer, analyze theoretically, due to the synchronous inertia of low gear be the odd-side speed ratio of the synchronous inertia of high gear square doubly, and high gear speed discrepancy is the odd-side speed ratio times of low gear speed discrepancy, suppose that odd-side speed ratio is 4, so the synchronous inertia of low gear is 16 times of the synchronous inertia of high gear, high gear speed discrepancy is 4 times of low gear speed discrepancy, odd-side lockpin-type list cone synchronizer exists 3 ~ 3.6 times that low gear is high gear synchronizer lock in time, and unit area average power high gear side is more than 5 times of low gear side.Because the high gear side friction ring for synchronizer conical surface produces larger heat within very short time, lock in time is less than 0.1s, and carbon fibre material is generally bond to powder metallurgy matrix surface by epoxy resin glue, so the large calorimetric produced in the short time can make the rising of conical surface temperature very fast, glue is even caused to lose adhesive property, thus the generation causing carbon cloth to come off.
Model utility content
The purpose of this utility model is the auxiliary box cylinder assembly providing a kind of high gear side band spring; to overcome the defect that above-mentioned prior art exists; the utility model can be avoided O RunddichtringO to damage and produce gas leakage; be beneficial to protection auxiliary box synchronizer and high gear gear simultaneously, also can reduce the generation of odd-side high gear conical ring carbon cloth obscission to a great extent.
For achieving the above object, the utility model adopts following technological scheme:
The auxiliary box cylinder assembly of a kind of high gear side band spring, comprise cylinder block, inner in cylinder block, declutch shift shaft is connected by hexagonal nylon ring locking thin nut with piston, the end winding support of cylinder block has odd-side shifting cylinder lid, the high gear side inwall of cylinder block offers the circle shape groove coaxial with declutch shift shaft, arranges spring in circle shape groove, the free height of spring is greater than the degree of depth of circle shape groove.
Further, the free height of spring is: when being in neutral, the distance between the bottom of circle shape groove and piston.
Further, odd-side shifting cylinder lid is fixed on the end of cylinder block by hexagon head bolt and spring washer assembly parts and cylinder head gasket.
Further, the sidewall of cylinder block is provided with the stopper structure coordinated with the gear shifting structure on declutch shift shaft, and stopper structure comprises the plug screw interting and be arranged on cylinder block sidewall, is located at the retaining spring in plug screw and is located at the steel ball of retaining spring end.
Further, between declutch shift shaft and the inwall of cylinder block, the first seal ring, the second seal ring and the 3rd seal ring is respectively equipped with between piston and the inwall of cylinder block and between declutch shift shaft and piston.
Further, the first seal ring, the second seal ring and the 3rd seal ring are O RunddichtringO.
Further, odd-side shifting cylinder covers and is provided with hexagon head plug screw, is provided with fold copper washer between hexagon head plug screw and odd-side shifting cylinder lid.
Compared with prior art, the utility model has following useful technique effect:
When the utility model is put into gear from low gear toward high gear, piston driving declutch shift shaft moves to high gear side, when after piston arrives neutral gear position just with spring contact, now spring compressed gradually and produce that certain compressive force slows down piston move axially speed, reduce sliding sleeve axial action to make a concerted effort simultaneously, thus the axial force reduced on synchronizer locking face, like this can proper extension lock in time, reduce the power in friction ring for synchronizer conical surface unit area, thus reduce the heat of rubbing surface generation, reduce the wearing and tearing of synchronizer friction material and the risk occurred that comes off.When the synchronization is completed, the resistance that piston overcomes spring under the influence of air pressure is further linked into high gear, thus avoid synchronization device cone ring frictional heat when hanging high gear and sharply produce and cause the zooming phenomenon of conical surface temperature, ensure that synchronizer friction material can not fast-falling when synchronous.
Simultaneously; the utility model can reduce the impact of piston to cylinder wall; the O RunddichtringO avoiding declutch shift shaft surface and the cylinder wall surface that contacts with declutch shift shaft to pull producing cut to cause damages thus produces the phenomenon of leaking gas; also can reduce shift fork to the impact of sliding sleeve and sliding sleeve to the impact in lock pin locking face simultaneously; the impact of sliding sleeve to high gear gear spline tooth can also be reduced, be beneficial to protection auxiliary box synchronizer and high gear gear.
Accompanying drawing explanation
Fig. 1 is existing auxiliary box cylinder assembly structure schematic diagram;
Fig. 2 is overall structure two-dimensional representation of the present utility model;
Fig. 3 is cylinder block front view of the present utility model;
Fig. 4 is cylinder block side view of the present utility model;
Fig. 5 is cylinder block sectional view of the present utility model;
Fig. 6 is spring schematic diagram of the present utility model;
Fig. 7 is overall structure schematic three dimensional views of the present utility model.
Wherein, 1, cylinder block; 2, piston; 3, odd-side shifting cylinder lid; 4, declutch shift shaft; 5, the first seal ring; 6, the second seal ring; 7, the 3rd seal ring; 8, cylinder head gasket; 9, hexagon head bolt and spring washer assembly parts; 10, hexagonal nylon ring locking thin nut; 11, hexagon head plug screw; 12, fold copper washer; 13, signboard; 14, retaining spring; 15, plug screw; 16, steel ball; 17, spring.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
See Fig. 2 to Fig. 7, the auxiliary box cylinder assembly of a kind of high gear side band spring, comprise cylinder block 1, inner in cylinder block 1, declutch shift shaft 4 is connected by hexagonal nylon ring locking thin nut 10 with piston 2, the end of cylinder block 1 is fixed with odd-side shifting cylinder lid 3 by hexagon head bolt and spring washer assembly parts 9 and cylinder head gasket 8, odd-side shifting cylinder lid 3 is provided with hexagon head plug screw 11, fold copper washer 12 is provided with between hexagon head plug screw 11 and odd-side shifting cylinder lid 3, the sidewall of cylinder block 1 is provided with the stopper structure coordinated with the gear shifting structure on declutch shift shaft 4 (still has the cylinder of air pressure for high gear tracheae after hanging high gear, the less generation that can not cause gear phenomenon of active force of spring 17, stopper structure can be there is no), stopper structure comprises the plug screw 15 interting and be arranged on cylinder block 1 sidewall, be located at the retaining spring 14 in plug screw 15 and be located at the steel ball 16 of retaining spring 14 end, the high gear side inwall of cylinder block 1 offers the circle shape groove coaxial with declutch shift shaft 4, spring 17 is set in circle shape groove, the free height of spring 17 is: when being in neutral, distance between the bottom of circle shape groove and piston 2, the outer wall of cylinder block 1 is also provided with the signboard 13 for showing the information such as its model.
Be respectively equipped with the first seal ring 5, second seal ring 6 and the 3rd seal ring 7 between the inwall of declutch shift shaft 4 and cylinder block 1, between piston 2 and the inwall of cylinder block 1 and between declutch shift shaft 4 and piston 2, the first described seal ring 5, second seal ring 6 and the 3rd seal ring 7 are O RunddichtringO.
Below implementation process of the present utility model is described in further detail:
Auxiliary box cylinder of the present utility model is on the basis of common cylinder (as shown in Figure 1), increase a kind of cylindrically coiled spring, circle shape groove is offered near high gear side in cylinder block, this spring 17 is contained in circle shape groove, and spring 17 has certain height, odd-side can promote piston 2 from air pressure during low gear switching high gear and move toward high gear, continuing to move after neutral gear position, the end face of piston 2 can touch spring 17, now along with the decrement of the mobile spring 17 of piston 2 becomes large gradually and produces certain axial force, this power is contrary with gas pressure force direction.
It is high gear on the left of general auxiliary box cylinder, when putting into gear from low gear toward high gear, low gear side connects the tracheae air inlet of odd-side shifting cylinder lid 3, and the tracheae exhaust that high gear side cylinder block 1 connects, now piston 2 drives declutch shift shaft 4, declutch shift shaft 4 drives odd-side shift fork simultaneously, odd-side shift fork drives synchronizer to move to high gear side, just contact with spring 17 after piston 2 arrives neutral gear position, now spring 17 compressed gradually and produce that certain compressive force slows down piston 2 move axially speed, reduce sliding sleeve axial action to make a concerted effort simultaneously, thus the axial force reduced on synchronizer locking face, like this can proper extension lock in time, reduce the power in friction ring for synchronizer conical surface unit area, thus reduce the heat of rubbing surface generation, reduce the wearing and tearing of synchronizer friction material and the risk occurred that comes off.When the synchronization is completed, the resistance that piston 2 overcomes spring 17 under the influence of air pressure is further linked into high gear, thus avoids the phenomenon that when hanging high gear, synchronization device cone ring frictional heat sharply produces, and ensure that synchronizer friction material can not fast-falling when synchronous.
High gear tracheae after hanging high gear is still had to the cylinder of air pressure, the less generation that can not cause gear phenomenon of active force of spring 17, can not have stopper structure; Die without the cylinder of air pressure for high gear tracheae after hanging high gear, cylinder can prevent gear by locking retaining device itself, and the spring force of this structure is also less, can not cause the generation of gear.Spring 17 easy processing that the utility model is used, cylinder block can use after can suitably changing, and technique is simple, therefore low cost of manufacture of the present utility model.
The utility model can reduce the impact of piston 2 pairs of cylinder walls; the O RunddichtringO avoiding declutch shift shaft 4 surface and the cylinder wall surface that contacts with declutch shift shaft 4 to pull producing cut to cause damages thus produces the phenomenon of leaking gas; also can reduce shift fork to the impact of sliding sleeve and sliding sleeve to the impact in lock pin locking face simultaneously; the impact of sliding sleeve to high gear gear spline tooth can also be reduced; be beneficial to protection auxiliary box synchronizer and high gear gear, also can reduce the generation of odd-side high gear conical ring carbon cloth obscission to a great extent.During same air pressure size, high gear side simultaneous force can be made to reduce by increasing spring, and extend high gear side lock in time a little, reduce the difference of lock in time between high to low gear, also can reduce the generation of odd-side high gear conical ring carbon cloth obscission to a great extent.
Claims (7)
1. the auxiliary box cylinder assembly of a high gear side band spring, it is characterized in that, comprise cylinder block (1), inner in cylinder block (1), declutch shift shaft (4) is connected by hexagonal nylon ring locking thin nut (10) with piston (2), the end winding support of cylinder block (1) has odd-side shifting cylinder lid (3), the high gear side inwall of cylinder block (1) offers the circle shape groove coaxial with declutch shift shaft (4), arrange spring (17) in circle shape groove, the free height of spring (17) is greater than the degree of depth of circle shape groove.
2. the auxiliary box cylinder assembly of a kind of high gear side according to claim 1 band spring, it is characterized in that, the free height of spring (17) is: when being in neutral, the distance between the bottom of circle shape groove and piston (2).
3. the auxiliary box cylinder assembly of a kind of high gear side according to claim 1 band spring, it is characterized in that, odd-side shifting cylinder lid (3) is fixed on the end of cylinder block (1) by hexagon head bolt and spring washer assembly parts (9) and cylinder head gasket (8).
4. the auxiliary box cylinder assembly of a kind of high gear side according to claim 1 band spring, it is characterized in that, the sidewall of cylinder block (1) is provided with the stopper structure coordinated with the gear shifting structure on declutch shift shaft (4), stopper structure comprises the plug screw (15) interting and be arranged on cylinder block (1) sidewall, is located at the retaining spring (14) in plug screw (15) and is located at the steel ball (16) of retaining spring (14) end.
5. the auxiliary box cylinder assembly of a kind of high gear side according to claim 1 band spring, it is characterized in that, between the inwall of declutch shift shaft (4) and cylinder block (1), between piston (2) and the inwall of cylinder block (1) and between declutch shift shaft (4) and piston (2), be respectively equipped with the first seal ring (5), the second seal ring (6) and the 3rd seal ring (7).
6. the auxiliary box cylinder assembly of a kind of high gear side according to claim 5 band spring, is characterized in that, the first seal ring (5), the second seal ring (6) and the 3rd seal ring (7) are O RunddichtringO.
7. the auxiliary box cylinder assembly of a kind of high gear side according to claim 1 band spring, it is characterized in that, odd-side shifting cylinder lid (3) is provided with hexagon head plug screw (11), is provided with fold copper washer (12) between hexagon head plug screw (11) and odd-side shifting cylinder lid (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520266325.4U CN204716961U (en) | 2015-04-28 | 2015-04-28 | The auxiliary box cylinder assembly of a kind of high gear side band spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520266325.4U CN204716961U (en) | 2015-04-28 | 2015-04-28 | The auxiliary box cylinder assembly of a kind of high gear side band spring |
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| Publication Number | Publication Date |
|---|---|
| CN204716961U true CN204716961U (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520266325.4U Active CN204716961U (en) | 2015-04-28 | 2015-04-28 | The auxiliary box cylinder assembly of a kind of high gear side band spring |
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| CN (1) | CN204716961U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351378A (en) * | 2015-12-15 | 2016-02-24 | 新昌县兴旺轴承有限公司 | High-efficiency temperature control grease-injecting device for bearing |
| CN113357363A (en) * | 2021-05-27 | 2021-09-07 | 东风商用车有限公司 | Cylinder piston sequential gear mechanism |
| CN116123281A (en) * | 2022-12-17 | 2023-05-16 | 陕西法士特齿轮有限责任公司 | Gear shifting cylinder assembly with unidirectional on-off functional component |
-
2015
- 2015-04-28 CN CN201520266325.4U patent/CN204716961U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351378A (en) * | 2015-12-15 | 2016-02-24 | 新昌县兴旺轴承有限公司 | High-efficiency temperature control grease-injecting device for bearing |
| CN113357363A (en) * | 2021-05-27 | 2021-09-07 | 东风商用车有限公司 | Cylinder piston sequential gear mechanism |
| CN116123281A (en) * | 2022-12-17 | 2023-05-16 | 陕西法士特齿轮有限责任公司 | Gear shifting cylinder assembly with unidirectional on-off functional component |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |