CN207539330U - A kind of piston and piston fork shaft connecting assembly - Google Patents
A kind of piston and piston fork shaft connecting assembly Download PDFInfo
- Publication number
- CN207539330U CN207539330U CN201721627943.2U CN201721627943U CN207539330U CN 207539330 U CN207539330 U CN 207539330U CN 201721627943 U CN201721627943 U CN 201721627943U CN 207539330 U CN207539330 U CN 207539330U
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- CN
- China
- Prior art keywords
- piston
- clamp spring
- fork shaft
- ring
- jump
- 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.)
- Withdrawn - After Issue
Links
- 238000009434 installation Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 7
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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- Clamps And Clips (AREA)
Abstract
The utility model belongs to automotive transmission field, and in particular to a kind of piston and piston fork shaft connecting assembly, its object is to solve the problems, such as that piston bolt issuable with piston fork shaft thread connection or nut loosening and disassembly efficiency are low.Including piston, piston fork shaft and special-shaped clamp spring, the abnormity clamp spring includes setting ring segment jaggy and is shaped in the urgent proximal segment at ring segment notch both ends, piston bush is on piston fork shaft, piston fork shaft and one end of piston cooperation section are equipped with the shaft shoulder, the other end is equipped with limited ring groove, the piston side adjacent with limited ring groove is equipped with integrally formed installation base, and is equipped with the clamp spring dismounting notch that piston end surface is extended to by its end face in an axial direction；The installation base inner wall is equipped with jump-ring slot, and the endoporus of the ring segment is caught in the limited ring groove of piston fork shaft, and outer circle is caught in the jump-ring slot of piston, compels proximal segment and is stretched out by clamp spring dismounting notch.
Description
Technical field
The utility model belongs to automotive transmission field, and in particular to a kind of piston and piston fork shaft connecting assembly.
Background technology
The odd-side of combined type automobile speed changer generally using gas manipulation and control, with piston pitch by the range piston in auxiliary box cylinder
The conventional connecting mode of axis, be processed in piston fork shaft end screw thread either threaded hole by nut or bolt by piston
It is linked up with piston fork shaft.This kind of connecting mode is needed when tightening bolt or nut to piston fork shaft anti-rotation, to prevent to live
Plug fork shaft rotates together with bolt or nut, and it is inconvenient to tear assembly and disassembly open.It can generate and shake during transmission duty simultaneously
It is dynamic, the loosening problem of bolt or nut may be led to, so as to influence the normal work of auxiliary box cylinder.In addition, in piston assembly
Sealing element belong to quick-wear part, repair when, piston assembly is also not easy to take out from cylinder, needs to be blown out with high pressure gas.
Under the repair and maintaining of no high pressure gas, need to remove entire secondary box of gearbox, remove piston fork shaft and selector fork thereon it
Between connection, piston assembly and piston fork shaft from cylinder are exited together, repaired very inconvenient.
Invention content
The utility model provides a kind of piston and piston fork shaft connecting assembly, and its object is to solve piston to pitch with piston
Axle thread couples the problem of issuable bolt or nut loosening and low disassembly efficiency.
A kind of piston and piston fork shaft connecting assembly, including piston and piston fork shaft, are characterized in that：It further includes different
Shape clamp spring, it is described abnormity clamp spring include set ring segment jaggy and
The urgent proximal segment at ring segment notch both ends is shaped in,
Piston bush is on piston fork shaft, and piston fork shaft and one end of piston cooperation section are equipped with the shaft shoulder, and the other end is equipped with limit
Position annular groove, for piston between the shaft shoulder and limited ring groove, the piston side adjacent with limited ring groove is equipped with integrally formed installation
Boss, the installation base are coaxially disposed with piston inner hole, and are equipped with the clamp spring that piston end surface is extended to by its end face in an axial direction
Dismount notch；
The installation base inner wall is equipped with jump-ring slot, and the endoporus of the ring segment is caught in the limited ring groove of piston fork shaft,
Outer circle is caught in the jump-ring slot of piston, is compeled proximal segment and is stretched out by clamp spring dismounting notch；The outside diameter of special-shaped clamp spring free state is big
It is less than the diameter of jump-ring slot in the diameter of bore of piston.
Further, the urgent proximal segment of special-shaped clamp spring is curved latch hook in be symmetricly set on ring segment notch both ends two, right
It inwardly exerts a force on the outside of two latch hooks, enters in jump-ring slot convenient for special-shaped clamp spring outer circle simultaneously；To outside simultaneously on the inside of two latch hooks
Force is fitted into the dismounting of clamp spring is realized in the limited ring groove on piston fork shaft convenient for the endoporus of special-shaped clamp spring, quickly by piston and
Piston fork shaft is linked up in axial restraint.
Further, clamp spring gasket is equipped between special-shaped clamp spring and piston end surface, installation base inner wall is equipped with and clamp spring pad
The matched clamp spring spacer groove of piece prevents the special-shaped clamp spring during dismounting or use from causing to damage to piston end surface, leads to piston
Damage.
Further, the clamp spring spacer groove is coaxially disposed with jump-ring slot, has a diameter larger than the diameter of jump-ring slot.
Further, the cooperation section of piston fork shaft and piston is equipped with sealing ring, for piston inner hole and piston fork shaft
Sealing.
Compared with prior art, the utility model has the advantage of：
When the 1st, using the piston and piston fork shaft connecting assembly, clamp spring gasket, special-shaped clamp spring and piston are first assembled into one
A sub-unit with Circlip tongs is supportted special-shaped clamp spring endoporus during dismounting big, you can piston, special-shaped clamp spring and clamp spring gasket are packed into and are lived
Fill in fork shaft；Clamp spring endoporus need to only be supportted with Circlip tongs during dismounting and piston, special-shaped clamp spring and clamp spring gasket can be pitched from piston greatly
It is extracted out on axis.Conventional piston and piston fork shaft are eliminated by way of locking nut or bolt-connection, makes the axis of piston fork shaft
End processing is simpler, avoids the issuable bolt of thread connection or nut loosening problem.Meanwhile make piston and piston fork shaft
Installation, dismounting and repair it is very convenient, synthesis it is at low cost.
2nd, curved latch hook in two is symmetrical arranged at the both ends of the ring segment notch of special-shaped clamp spring, to two latch hooks outsides simultaneously
Inwardly force, enters convenient for special-shaped clamp spring outer circle in jump-ring slot；To exerting a force outward simultaneously on the inside of two latch hooks, convenient for special-shaped clamp spring
Endoporus be fitted into the dismounting that clamp spring is realized in the limited ring groove on piston fork shaft, quickly by piston and piston fork shaft axially solid
Surely it links up.
3rd, clamp spring gasket is equipped between special-shaped clamp spring and piston end surface, prevents the special-shaped clamp spring pair during dismounting or use
Piston end surface causes to damage, and leads to Remedy for Piston Damage.
Description of the drawings
Fig. 1 is the structure diagram of the utility model piston and piston fork shaft connecting assembly；
Fig. 2 is the A-A sectional views of Fig. 1；
Fig. 3 is the schematic three dimensional views of piston；
Fig. 4 is the schematic three dimensional views of special-shaped clamp spring；
Fig. 5 is the schematic three dimensional views of clamp spring gasket；
Fig. 6 is the three-dimensional Local map of the utility model piston and piston fork shaft connecting assembly.
In figure：1-piston fork shaft, 2-piston, 3-clamp spring gasket, 4-abnormity clamp spring, 5-sealing ring, 11-shaft shoulder,
12-limited ring groove, 21-piston inner hole, 22-installation base, 221-jump-ring slot, 222-clamp spring spacer groove, 223-clamp spring
Dismount notch, 41-ring segment, 42-compel proximal segment.
Specific embodiment
The utility model is described in detail below in conjunction with the drawings and specific embodiments：
Referring to Fig. 1 to Fig. 6, a kind of piston and piston fork shaft connecting assembly, including piston 2, piston fork shaft 1 and special-shaped clamp spring
4, the abnormity clamp spring 4 includes setting ring segment 41 jaggy and is shaped in the urgent proximal segment at 41 notch both ends of ring segment
42, the urgent proximal segment 42 of special-shaped clamp spring 4 is curved latch hook in be symmetricly set on ring segment notch both ends two.
Piston 2 is sleeved on piston fork shaft 1, and piston fork shaft 1 coordinates one end of section to be equipped with the shaft shoulder 11, the other end with piston 2
Equipped with limited ring groove 12, between the shaft shoulder 11 and limited ring groove 12, piston fork shaft 1 and the cooperation section of piston 2 are equipped with piston
Sealing ring 5, for the sealing of piston inner hole 21 and piston fork shaft 1.The side adjacent with limited ring groove 12 of piston 2 be equipped with one into
The installation base 22 of type, the installation base 22 are coaxially disposed with piston inner hole 21, and are equipped with are extended to by its end face in an axial direction
The clamp spring dismounting notch 223 of piston end surface.
22 inner wall of installation base is equipped with jump-ring slot 221, and the endoporus of abnormity 4 ring segment 41 of clamp spring is caught in piston fork
In the limited ring groove 12 of axis 1, outer circle is caught in the jump-ring slot 221 of piston 2, and special-shaped clamp spring 4 compels proximal segment 42 and dismounts notch by clamp spring
223 stretch out；The endoporus of piston 2 is less than outside diameter during special-shaped 4 free state of clamp spring, ensure that clamp spring 4 in free state
It will not deviate from from jump-ring slot 221, realize axial limiting function.The diameter of jump-ring slot 221 is more than 4 free state of special-shaped clamp spring
Outside diameter makes clamp spring 4 that its internal diameter can be supportted to big, the limiting on set loading piston fork shaft 1 in jump-ring slot 221 by Circlip tongs
In annular groove；Or special-shaped clamp spring 4 and piston 2 are removed from piston fork shaft 1, complete the dismounting of piston.
Clamp spring gasket 3 is equipped between 2 end face of special-shaped clamp spring 4 and piston, 22 inner wall of installation base is equipped with and 3, clamp spring gasket
The clamp spring spacer groove 222 matched prevents the special-shaped clamp spring 4 during dismounting or use from causing to damage to piston end surface, leads to piston 2
Damage.The clamp spring spacer groove 222 is coaxially disposed with jump-ring slot 221, has a diameter larger than the diameter of jump-ring slot 221.
In order to improve disassembly efficiency, the utility model also proposed the dismounting side of a kind of piston and piston fork shaft connecting assembly
Method is characterized in that：Include the following steps：
1) special-shaped clamp spring 4 and clamp spring gasket 3 are packed into clamp spring spacer groove 222 and jump-ring slot 221 by clamp spring dismounting notch 223
In；
2) special-shaped 4 endoporus of clamp spring is supportted greatly using Circlip tongs, piston 2, special-shaped clamp spring 4 and clamp spring gasket 3 is inserted in piston
Fork shaft 1 when the limited ring groove 12 on special-shaped clamp spring 4 and piston fork shaft 1 is axially aligned, unclamps Circlip tongs, special-shaped 4 endoporus of clamp spring
It will be in the limited ring groove 12 on embedded piston fork shaft 1.
3) with Circlip tongs clamp spring endoporus supportted when dismantling it is big, by piston 2, special-shaped clamp spring 4 and clamp spring gasket 3 from piston fork shaft
It is extracted out on 1.
Claims (5)
1. a kind of piston and piston fork shaft connecting assembly, including piston (2) and piston fork shaft (1), it is characterised in that：It further includes different
Shape clamp spring (4), the abnormity clamp spring (4) is including setting ring segment jaggy (41) and being shaped in ring segment notch both ends
Urgent proximal segment (42),
Piston (2) is sleeved on piston fork shaft (1), and piston fork shaft (1) and one end of piston (2) cooperation section are equipped with the shaft shoulder (11),
The other end is equipped with limited ring groove (12), and piston (2) is between the shaft shoulder (11) and limited ring groove (12), piston (2) and spacing ring
The adjacent side of slot (12) is equipped with integrally formed installation base (22), and the installation base (22) and piston inner hole (21) are coaxial
Setting, and it is equipped with the clamp spring dismounting notch (223) that piston end surface is extended to by its end face in an axial direction；
Installation base (22) inner wall is equipped with jump-ring slot (221), and the endoporus of the ring segment (41) is caught in piston fork shaft (1)
In limited ring groove (12), outer circle is caught in the jump-ring slot (221) of piston (2), is compeled proximal segment (42) and is stretched by clamp spring dismounting notch (223)
Go out；The outside diameter of special-shaped clamp spring (4) free state is more than diameter of the diameter of bore less than jump-ring slot (221) of piston (2).
2. a kind of piston according to claim 1 and piston fork shaft connecting assembly, it is characterised in that：Special-shaped clamp spring (4)
It is curved latch hook in be symmetricly set on ring segment notch both ends two to compel proximal segment (42).
3. a kind of piston according to claim 1 or 2 and piston fork shaft connecting assembly, it is characterised in that：Special-shaped clamp spring (4)
Clamp spring gasket (3) is equipped between piston end surface, installation base (22) inner wall is equipped with and the matched clamp spring gasket of clamp spring gasket (3)
Slot (222).
4. a kind of piston according to claim 3 and piston fork shaft connecting assembly, it is characterised in that：The clamp spring spacer groove
(222) it is coaxially disposed with jump-ring slot (221), has a diameter larger than the diameter of jump-ring slot (221).
5. a kind of piston according to claim 4 and piston fork shaft connecting assembly, it is characterised in that：Piston fork shaft (1) with
The cooperation section of piston (2) is equipped with sealing ring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721627943.2U CN207539330U (en) | 2017-11-29 | 2017-11-29 | A kind of piston and piston fork shaft connecting assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721627943.2U CN207539330U (en) | 2017-11-29 | 2017-11-29 | A kind of piston and piston fork shaft connecting assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207539330U true CN207539330U (en) | 2018-06-26 |
Family
ID=62615801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721627943.2U Withdrawn - After Issue CN207539330U (en) | 2017-11-29 | 2017-11-29 | A kind of piston and piston fork shaft connecting assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207539330U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956872A (en) * | 2017-11-29 | 2018-04-24 | 陕西法士特齿轮有限责任公司 | A kind of piston and piston fork shaft connecting assembly and its assembly and disassembly methods |
-
2017
- 2017-11-29 CN CN201721627943.2U patent/CN207539330U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956872A (en) * | 2017-11-29 | 2018-04-24 | 陕西法士特齿轮有限责任公司 | A kind of piston and piston fork shaft connecting assembly and its assembly and disassembly methods |
| CN107956872B (en) * | 2017-11-29 | 2024-05-14 | 陕西法士特齿轮有限责任公司 | Piston and piston fork shaft connecting assembly and disassembly and assembly method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180626 Effective date of abandoning: 20240514 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180626 Effective date of abandoning: 20240514 |