CN213981972U - Detachable piston and push rod connecting structure for clutch master cylinder - Google Patents
Detachable piston and push rod connecting structure for clutch master cylinder Download PDFInfo
- Publication number
- CN213981972U CN213981972U CN202022420226.0U CN202022420226U CN213981972U CN 213981972 U CN213981972 U CN 213981972U CN 202022420226 U CN202022420226 U CN 202022420226U CN 213981972 U CN213981972 U CN 213981972U
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- China
- Prior art keywords
- push rod
- piston
- hole
- buckle
- retaining ring
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Abstract
The utility model discloses a detachable piston and push rod connecting structure for a clutch master cylinder. The piston comprises a piston and a push rod, wherein a middle hole is formed in one end of the piston, the head of the push rod is arranged in the middle hole, and the piston also comprises a push rod buckle and an elastic retainer ring for the hole; the push rod head is arranged in a spherical shape and is arranged at the bottom of the middle hole, an annular groove is designed in the middle of the middle hole and serves as an elastic retaining ring groove, a push rod buckle and a hole elastic retaining ring are arranged in the elastic retaining ring groove, the push rod buckle and the hole elastic retaining ring are sleeved outside the push rod, and two ends of the push rod buckle are respectively connected between the hole elastic retaining ring and the push rod head. The utility model discloses a simple assembly method is in the same place push rod and piston assembly, can solve when disassembling, and the unable split of push rod and piston causes the condemned condition, reduces and reprocesses the disability rate, reduces and reprocesses the cost.
Description
Technical Field
The utility model relates to a part of clutch system has especially related to a detachable piston and push rod connection structure for clutch master cylinder.
Background
In the existing clutch master cylinder, a push rod and a piston are generally connected in a mode of fixing a plastic push rod seat, and during disassembly, disassembly can not be carried out under the condition of not damaging accessories, so that the repair rejection rate is high, and the repair cost is high.
SUMMERY OF THE UTILITY MODEL
Unable split is connected with the push rod to piston in the clutch master cylinder, reprocesses phenomenon with high costs, the utility model provides a clutch master cylinder is with detachable piston and push rod connection structure especially is arranged in the clutch master cylinder among the automobile clutch system.
The utility model discloses a following technical scheme can solve:
the utility model comprises a piston and a push rod, wherein, a middle hole is arranged at one end of the piston, the head part of the push rod is arranged in the middle hole, and the utility model also comprises a push rod buckle and a circlip for holes; the push rod head is arranged in a spherical shape and is arranged at the bottom of the middle hole, an annular groove is designed in the middle of the middle hole and serves as an elastic retaining ring groove, a push rod buckle and a hole elastic retaining ring are arranged in the elastic retaining ring groove, the push rod buckle and the hole elastic retaining ring are sleeved outside the push rod, and two ends of the push rod buckle are respectively connected between the hole elastic retaining ring and the push rod head.
One end face of the push rod buckle connected with the elastic check ring for the hole is a plane, and one end face of the push rod buckle connected with the head of the push rod is an inwards concave spherical surface.
The push rod buckle is a circular ring with a notch at one radial position.
And a proper amount of lubricating grease is smeared at the joint of the push rod and the piston during assembly.
The push rod buckle material is a polymer composite material.
The utility model has the advantages that:
the utility model discloses a simple assembly method is in the same place push rod and piston assembly, can solve when disassembling, and the unable split of push rod and piston causes the condemned condition, reduces and reprocesses the disability rate, reduces and reprocesses the cost.
Drawings
FIG. 1 is a schematic view of the connection structure of the piston and the push rod of the present invention;
fig. 2 is a sectional view of the piston structure of the present invention;
FIG. 3 is a schematic view of the structure of the push rod of the present invention;
fig. 4 is a schematic view of the push rod buckle structure of the present invention.
In the figure: 1. the piston, 2, push rod buckle, 3, hole circlip, 4, push rod, a, center hole, b, push rod head, c, breach.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the piston comprises a piston 1 and a push rod 4, as shown in fig. 2, a middle hole a is formed at one end of the piston 1, a push rod head part b of the push rod 4 is arranged in the middle hole a, and the piston further comprises a push rod buckle 2 and a hole elastic retainer ring 3; the push rod head part b is arranged in a spherical shape and is arranged at the bottom of the middle hole a, an annular groove is designed in the middle of the middle hole a and serves as an elastic retaining ring groove, a push rod buckle 2 and a hole elastic retaining ring 3 are arranged in the elastic retaining ring groove, the push rod buckle 2 and the hole elastic retaining ring 3 are sleeved outside the push rod 4, and two ends of the push rod buckle 2 are connected between the hole elastic retaining ring 3 and the push rod head part b respectively.
The end face of the push rod buckle 2 connected with the circlip 3 for hole is a plane, as shown in fig. 3, the push rod 4 mainly comprises a push rod head part b and a shaft part, and the end face of the push rod buckle 2 is connected to the joint between the push rod head part b and the shaft part and is attached to the surface of the push rod head part b. One end surface of the push rod buckle 2 connected with the push rod head part b is a concave spherical surface which is matched with the spherical surface of the push rod head part b.
As shown in fig. 4, the push rod buckle 2 is a circular ring with a notch c at one radial position, and the shaft portion of the push rod 4 passes through the notch c and is sleeved in the push rod buckle 2.
In specific implementation, the push rod buckle 2 is made of a polymer composite material, and a proper amount of lubricating grease is applied to the joint of the push rod 4 and the piston 1 during assembly.
During assembly, firstly, a proper amount of lubricating grease is smeared in the head b of the push rod and the central hole a of the piston 1, then the push rod buckle 2 is sleeved on the push rod 4 through the notch c, so that the spherical ball of the push rod buckle 2 is contacted with the spherical surface, then the assembly is plugged into the central hole a of the piston 1, and finally the hole elastic retainer ring 3 is installed into an elastic retainer ring groove of the central hole a of the piston 1 through a press;
when pressing in, the push rod buckle 2 is limited by the spherical contact of the cambered surface and the push rod head part b due to the pressure action, the diameter of the push rod buckle 2 is expanded, the push rod buckle can move to the deep part of the hole a in the piston 1, the elastic retainer ring 3 for the hole can be pressed in to the groove of the elastic retainer ring, and the axial zero clearance between all parts after the elastic retainer ring 3 for the hole is installed can be ensured.
In specific implementation, the width dimension of the notch c of the push rod buckle 2 is smaller than the diameter of the cylinder of the push rod 4, so that the contact area between the buckle and the push rod 4 is increased; before assembly, a proper amount of lubricating grease is smeared in the hole a in the piston 1; during assembly, the circlip 3 for the hole cannot be arranged in the circlip groove of the piston 1 in a natural state, and the circlip 3 for the hole can be arranged in place only by pressing the circlip 3 for the hole by a press to ensure that the clamping seat of the push rod 4 is expanded to a certain degree, so that a plurality of parts are axially gapless after assembly.
Therefore, this the utility model discloses a simple assembly method is in the same place push rod and piston assembly, can solve when disassembling, and the unable split of push rod and piston causes condemned condition, reduces and reprocesses the disability rate, reduces and reprocesses the cost.
The above detailed description is provided for illustrative purposes, and is not intended to limit the present invention, and any modifications and variations of the present invention are within the spirit and scope of the following claims.
Claims (5)
1. The utility model provides a clutch master cylinder is with dismantling piston and push rod connection structure, includes piston (1) and push rod (4), and piston (1) one end is opened there is mesopore (a), and mesopore (a), its characterized in that are adorned in push rod head (b) of push rod (4): the device also comprises a push rod buckle (2) and an elastic retainer ring (3) for the hole; the push rod head (b) is arranged to be spherical and is arranged at the bottom of the middle hole (a), an annular groove is designed in the middle of the middle hole (a) to serve as an elastic retaining ring groove, a push rod buckle (2) and a hole elastic retaining ring (3) are arranged in the elastic retaining ring groove, the push rod buckle (2) and the hole elastic retaining ring (3) are sleeved outside the push rod (4), and two ends of the push rod buckle (2) are connected between the hole elastic retaining ring (3) and the push rod head (b) respectively.
2. The detachable piston and push rod connection structure for a clutch master cylinder according to claim 1, wherein: one end face of the push rod buckle (2) connected with the elastic check ring (3) for the hole is a plane, and one end face of the push rod buckle (2) connected with the push rod head part (b) is an inwards concave spherical surface.
3. The detachable piston and push rod connection structure for a clutch master cylinder according to claim 1, wherein: the push rod buckle (2) is a circular ring with a notch (c) at one radial position.
4. The detachable piston and push rod connection structure for a clutch master cylinder according to claim 1, wherein: and a proper amount of lubricating grease is smeared at the joint of the push rod (4) and the piston (1) during assembly.
5. The detachable piston and push rod connection structure for a clutch master cylinder according to claim 1, wherein: the push rod buckle (2) is made of a polymer composite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022420226.0U CN213981972U (en) | 2020-10-27 | 2020-10-27 | Detachable piston and push rod connecting structure for clutch master cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022420226.0U CN213981972U (en) | 2020-10-27 | 2020-10-27 | Detachable piston and push rod connecting structure for clutch master cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213981972U true CN213981972U (en) | 2021-08-17 |
Family
ID=77258974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022420226.0U Active CN213981972U (en) | 2020-10-27 | 2020-10-27 | Detachable piston and push rod connecting structure for clutch master cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213981972U (en) |
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2020
- 2020-10-27 CN CN202022420226.0U patent/CN213981972U/en active Active
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