CN202834032U - Automotive transmission former secondary box air cylinder - Google Patents
Automotive transmission former secondary box air cylinder Download PDFInfo
- Publication number
- CN202834032U CN202834032U CN 201220499255 CN201220499255U CN202834032U CN 202834032 U CN202834032 U CN 202834032U CN 201220499255 CN201220499255 CN 201220499255 CN 201220499255 U CN201220499255 U CN 201220499255U CN 202834032 U CN202834032 U CN 202834032U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- odd
- shell
- piston
- cylinder shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor
- F16H2061/308—Modular hydraulic shift units, i.e. preassembled actuator units for select and shift movements adapted for being mounted on transmission casing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/3023—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by fluid pressure
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The utility model provides an automotive transmission former secondary box air cylinder which comprises an air cylinder shell, an air cylinder cover, a piston, a seal ring, a tensioning device and a stirring fork shaft, wherein the air cylinder shell is arranged on the front end face of a main box and inside a clutch shell. The air cylinder is fixedly connected with the air cylinder shell through locking bolts, one end of the stirring fork shaft is connected with the piston, and the other end of the stirring fork shaft is arranged on a stirring fork shaft hole of a transmission shell or a transmission upper cover. According to the automotive transmission former secondary box air cylinder, when the stirring fork shaft and the seal ring of the air cylinder shell are replaced, the air cylinder cover, the piston and the tensioning device are disassembled in sequence, and the problem that the stirring fork shaft needs disassembling when the seal ring is replaced is resolved.
Description
Technical field
The utility model relates to a kind of speed changer, particularly odd-side cylinder before a kind of automotive transmission.
Background technique
Heavy-duty automotive speed changer is various informative, how to be made of front odd-side, main tank, rear odd-side structure.Front odd-side is that gas is handled, and front odd-side cylinder is arranged in rear odd-side partition wall or bonnet end more, also is arranged under speed changer side or the loam cake.To two many gear speed-changings of the intermediate shaft structure helical teeth devices of cartridge type main tank, major-minor case, above-mentioned several arrangements all exist arrangement space limited or declutch shift shaft is long or the problem such as assembling difficulty.In the prior art, the O RunddichtringO (see figure 2) between declutch shift shaft and the cylinder block substantially all is to slot at cylinder body, and O type circle is embedded, and in this kind structure, when changing O type circle, needs declutch shift shaft is taken out.To the speed changer that cylinder block and housing are cast as one, declutch shift shaft takes out and will cause the speed changer FCL to disintegrate, and the maintenance service work difficulty is large, feasibility is poor.
In view of above defective, be to be necessary to provide the front odd-side cylinder of a kind of many gear speed-changings device to solve above technical problem.
The model utility content
Technical problem to be solved in the utility model provides the front odd-side cylinder of a kind of automotive transmission, has solved the technical problem of pointing out in the background technique.
For solving above technical problem, the utility model by the following technical solutions:
Odd-side cylinder before a kind of automotive transmission, comprise cylinder shell, cylinder head, piston and declutch shift shaft, described cylinder shell is arranged on the clutch housing, one end of cylinder seals by cylinder head, the other end of cylinder seals by seal arrangement, one end of fork axle is connected with piston, and the other end is arranged in the shift fork axis hole of case of transmission or transmission upper cover.
As preferred embodiment of the present utility model, described seal arrangement comprises cylinder shell, declutch shift shaft, is provided with groove on the described cylinder shell, and described fork axle and cylinder shell seal by O type circle, O type circle is installed in the groove that arranges on the cylinder shell, fixes by securing means.
As preferred embodiment of the present utility model, described securing means comprises snap ring, and snap ring compresses O type circle and is fixed in the groove that arranges on the cylinder shell.
As preferred embodiment of the present utility model, described securing means also comprises pad, and pad compresses O type circle, and snap ring compresses pad and O type circle and is fixed in the groove that arranges on the cylinder shell;
As preferred embodiment of the present utility model, described cylinder piston left side cavity is communicated with the first air inlet/outlet of servo valve assembly by the first hole on the cylinder shell, and cylinder piston right side cavity is communicated with the second air inlet/outlet of servo valve assembly by the second hole on the cylinder shell;
As preferred embodiment of the present utility model, the front auxiliary box of speed changer cylinder is positioned at the main tank front-end face, in the clutch housing;
As preferred embodiment of the present utility model, the fork pin of front auxiliary box of speed changer fork is symmetrical.
The utility model has the following advantages at least: the utility model fork axle one end is connected with piston, the other end is arranged in the case of transmission before the reverse gear countershaft assembly space of living in or in the fork axis hole of transmission upper cover, that is to say, the fork axle has fulcrum at two ends, therefore, the length of odd-side declutch shift shaft before effectively shortening, thus reverse gear jack shaft and the residing space of reverse gear countershaft-gear and odd-side welding countershaft assembly space of living in avoided; In addition, because end spaces is larger before the gearbox, the odd-side cylinder is positioned at the main tank front-end face before the utility model, thereby takes full advantage of this space, and can realize easily the symmetric design of front odd-side fork.
Description of drawings
Fig. 1 is the structural representation of odd-side cylinder before the utility model;
Fig. 2 is the sealed structure chart between the utility model fork axle and the cylinder;
Fig. 3 is the partial enlarged drawing at a among Fig. 1, b, c, place, d hole.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in detail:
The utility model discloses the front odd-side cylinder of a kind of automotive transmission, comprise cylinder shell 1, cylinder head 6, piston 10, and fork axle 15, described cylinder shell 1 is arranged on the clutch housing, or integrally formed with clutch housing, described cylinder head 6 is fixedly connected with cylinder shell 1 by lock bolt, and an end of described fork axle 15 is fixedly connected with piston 10 by piston locking nylon nut, and the other end is enclosed within the shift fork axis hole 16 of case of transmission or transmission upper cover.Be tightly connected with the first seal ring 9 between described cylinder shell 1 and the piston 10, adopt the second seal ring 8 to be tightly connected between described cylinder shell 1 and the cylinder head 6, adopt the 3rd seal ring 7 to be tightly connected between described piston 10 and the fork axle 15; Offer the first pore a and the second pore d that are used for turnover gas of cylinder on the described cylinder shell 1.
Cylinder piston left side cavity is communicated with the first air inlet/outlet b of servo valve assembly 2 by the first pore a on the cylinder shell, and the cylinder piston right side is communicated with the second air inlet/outlet c of servo valve assembly 2 by the second pore d on the cylinder shell.
The utility model cylinder shell 1 is arranged on the clutch housing, or cylinder shell 1 and clutch housing are cast as one, being used for the first hole a of cylinder left side turnover gas and the first air inlet/outlet b of servo valve assembly 2 on the cylinder shell 1 directly is communicated with, being used for the second hole d of cylinder right side turnover gas and the second air inlet/outlet c of servo valve assembly 2 on the cylinder shell 1 directly is communicated with, like this, two tracheaes that connect cylinder and valve body have been saved, reduced the gas leakage point, for direct high and over drive transmision, only need that servo valve assembly 2 is turned 180 ° of installations and get final product; By the optimization of cylinder position in clutch housing, can guarantee front odd-side shift fork 14 fork pin design symmetry, guarantee that the rigidity of two fork pin is identical.
During design, at first design symmetrical fork pin, be installed to the position of front auxiliary box synchronizer, by the rotation shift fork, guarantee not with part is interfered on every side prerequisite under, find out the correct position of shift fork axis hole, project to the main tank front-end face, can derive the position of front odd-side cylinder.
Shift fork axis hole 16 is set in case of transmission or loam cake, the length of odd-side declutch shift shaft 14 before effectively shortening, solved cylinder block when work, produce pull, eccentric wear, prolong working life of the first seal ring 9 of y-type structure.Former because: declutch shift shaft one end supports, and the other end is unsettled, is equivalent to overhang, during shift fork work, the fork pin has with a certain distance from declutch shift shaft, produces a moment of flexure, declutch shift shaft bending deflection is large, it must be that the part contact area is stressed large that piston contacts with cylinder, and the part contact area is stressed little, and is even not stressed, cause the piston eccentric wear, cylinder wall is pulled, and Y-shaped ring damages too early, gas blowby; The utility model adopts two end supports, and the declutch shift shaft good rigidly is out of shape littlely, and piston and cylinder contact are even.
In addition, the utility model fork axle and cylinder shell sealing place also are provided with snap ring 11, pad 12 and O type circle 13, snap ring 11 compress gaskets 12, pad 12 compresses O type circle 13, reach purpose to O type circle 13 axially locating with this, only need to pull down cylinder head and piston during to 13 maintenance of O type circle, can pull down snap ring 11 and pad 12 by instrument, solve when O type circle gas blowby is with gas leakage between declutch shift shaft and cylinder block, change O type circle and need to disassemble the excessive problems of workload such as speed changer.
Referring to Fig. 1, working procedure of the present utility model is as follows: the first air inlet/outlet b of servo valve assembly 2 is communicated with the left side cavity of cylinder piston 10 by the first pore a, the second air inlet/outlet c is communicated with the right side cavity of cylinder piston 10 by the second pore d, servo valve assembly 2 is by the air pressure in the adjusting cylinders piston 10 both sides cavitys, make cylinder piston drive declutch shift shaft to the left or move on the right side, declutch shift shaft promotes the synchronizer sliding sleeve of speed changer by shift fork, thereby realizes the front auxiliary box of speed changer engage a gear or pluck gear.
O type circle is easily damaged parts, when needs are changed between declutch shift shaft and cylinder block O RunddichtringO 13, can twist away first 4 cylinder head lock bolts 4, take off cylinder head 6, back out piston locking nylon nut 5, take off piston assembly, take off snap ring 11 with interior clasp forceps, take pad 12 away, be i.e. replaceable O RunddichtringO.
The above only is a kind of mode of execution of the present utility model, it or not whole or unique mode of execution, the conversion of any equivalence that those of ordinary skills take technical solutions of the utility model by reading the utility model specification is claim of the present utility model and contains.
Claims (7)
1. odd-side cylinder before the automotive transmission, comprise cylinder shell (1), cylinder head (6), piston (10) and declutch shift shaft (15), it is characterized in that: described cylinder shell (1) is arranged on the clutch housing, one end of cylinder is by cylinder head (6) sealing, the other end of cylinder is by being arranged on the seal arrangement sealing between declutch shift shaft (15) and the cylinder shell (1), one end of fork axle (15) is connected with piston (10), and the other end is arranged in the shift fork axis hole of case of transmission (16) or transmission upper cover.
2. odd-side cylinder before a kind of automotive transmission as claimed in claim 1, it is characterized in that: described seal arrangement comprises O type circle, described cylinder shell is provided with groove on (1), described fork axle (15) and cylinder shell (1) seal by O type circle (13), O type circle (13) is installed in the upper groove that arranges of cylinder shell (1), fixes by securing means.
3. odd-side cylinder before a kind of automotive transmission as claimed in claim 2, it is characterized in that: described securing means comprises snap ring (11), snap ring (11) compresses O type circle (13) and is fixed in the upper groove that arranges of cylinder shell (1).
4. odd-side cylinder before a kind of automotive transmission as claimed in claim 3, it is characterized in that: described securing means also comprises pad (12), pad (12) compresses O type circle (13), and snap ring (11) compresses pad (12) and O type circle (13) and is fixed in the groove of the upper setting of cylinder shell (1).
5. odd-side cylinder before a kind of automotive transmission as claimed in claim 1, it is characterized in that: described cylinder piston (10) left side cavity is communicated with first air inlet/outlet (b) of servo valve assembly (2) by the first pore (a) on the cylinder shell, and cylinder piston (10) right side cavity is communicated with second air inlet/outlet (c) of servo valve assembly (2) by the second pore (d) on the cylinder shell.
6. such as odd-side cylinder before claim 1 or the 4 or 5 described automotive transmissions, it is characterized in that: the front auxiliary box of speed changer cylinder is positioned at the main tank front-end face, in the clutch housing.
7. odd-side cylinder before the automotive transmission as claimed in claim 6, it is characterized in that: the fork pin of front auxiliary box of speed changer fork is symmetrical.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220499255 CN202834032U (en) | 2012-09-27 | 2012-09-27 | Automotive transmission former secondary box air cylinder |
| PCT/CN2013/077784 WO2014048147A1 (en) | 2012-09-27 | 2013-06-24 | Front auxiliary box cylinder of automobile transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220499255 CN202834032U (en) | 2012-09-27 | 2012-09-27 | Automotive transmission former secondary box air cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202834032U true CN202834032U (en) | 2013-03-27 |
Family
ID=47945741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220499255 Expired - Lifetime CN202834032U (en) | 2012-09-27 | 2012-09-27 | Automotive transmission former secondary box air cylinder |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202834032U (en) |
| WO (1) | WO2014048147A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865361A (en) * | 2012-09-27 | 2013-01-09 | 陕西法士特齿轮有限责任公司 | Front auxiliary box cylinder of automobile transmission |
| WO2014048147A1 (en) * | 2012-09-27 | 2014-04-03 | 陕西法士特齿轮有限责任公司 | Front auxiliary box cylinder of automobile transmission |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7069806B2 (en) * | 2003-03-20 | 2006-07-04 | Zf Meritor, Llc | Transmission auxiliary box seal system |
| JP2007327580A (en) * | 2006-06-08 | 2007-12-20 | Toyota Industries Corp | Change gear operation device of transmission |
| CN201159216Y (en) * | 2008-02-15 | 2008-12-03 | 重庆卡福汽车制动转向系统有限公司 | Working cylinder of speed changer air control system |
| CN202251916U (en) * | 2011-09-16 | 2012-05-30 | 瑞立集团瑞安汽车零部件有限公司 | Auxiliary box air cylinder, multi-gear transmission, and vehicle all with integration reversing valves |
| CN102865361A (en) * | 2012-09-27 | 2013-01-09 | 陕西法士特齿轮有限责任公司 | Front auxiliary box cylinder of automobile transmission |
| CN202834032U (en) * | 2012-09-27 | 2013-03-27 | 陕西法士特齿轮有限责任公司 | Automotive transmission former secondary box air cylinder |
-
2012
- 2012-09-27 CN CN 201220499255 patent/CN202834032U/en not_active Expired - Lifetime
-
2013
- 2013-06-24 WO PCT/CN2013/077784 patent/WO2014048147A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865361A (en) * | 2012-09-27 | 2013-01-09 | 陕西法士特齿轮有限责任公司 | Front auxiliary box cylinder of automobile transmission |
| WO2014048147A1 (en) * | 2012-09-27 | 2014-04-03 | 陕西法士特齿轮有限责任公司 | Front auxiliary box cylinder of automobile transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014048147A1 (en) | 2014-04-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |
|
| CX01 | Expiry of patent term |