CN220185658U - Clutch booster piston structure - Google Patents
Clutch booster piston structure Download PDFInfo
- Publication number
- CN220185658U CN220185658U CN202321558335.6U CN202321558335U CN220185658U CN 220185658 U CN220185658 U CN 220185658U CN 202321558335 U CN202321558335 U CN 202321558335U CN 220185658 U CN220185658 U CN 220185658U
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- China
- Prior art keywords
- mounting hole
- magnetic core
- piston
- sealing cover
- section
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- 238000007789 sealing Methods 0.000 claims abstract description 64
- 238000004073 vulcanization Methods 0.000 claims abstract description 8
- 230000002093 peripheral effect Effects 0.000 claims abstract description 7
- 210000001503 joint Anatomy 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000005457 optimization Methods 0.000 description 7
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model relates to the technical field of clutch boosters, in particular to a clutch booster piston structure, which comprises a piston body, wherein the piston body comprises a piston at one end, and a piston rod which is perpendicularly and outwards arranged is connected to one side of the end face of the piston; the end face of the far end of the piston rod is provided with a mounting hole, a magnetic core which is integrally in a cylindrical structure design is inserted into the mounting hole, the outer end of the magnetic core is sleeved with a sealing cover which is integrally in a flat circular box body structure design, and the sealing cover is in butt joint and sealing with the inner peripheral wall of the outer end of the mounting hole; the sealing cover is connected and arranged on the magnetic core through vulcanization; the outer end of the mounting hole is also provided with a check ring which is integrally in an annular structural design, and the check ring is supported on the outer side of the sealing cover in a pasting manner so as to limit the magnetic core and the sealing cover from falling out of the outer end of the mounting hole. The utility model has the characteristics of simpler and more reasonable structural design and better sealing effect.
Description
Technical Field
The utility model relates to the technical field of clutch booster, in particular to a clutch booster piston structure.
Background
The booster can also adopt air pressure as a power source besides hydraulic pressure as the power source. The piston is internally provided with a containing cavity for containing the magnetic element, one end of the containing cavity is provided with an opening at one end face of the piston, and the magnetic element enters the containing cavity through the opening. The existing electric control pneumatic clutch booster is provided with a sealing cover on the opening after the magnetic element is placed in the accommodating cavity, and the magnetic element is sealed in the accommodating cavity. However, gaps exist between the opening and the sealing cover, other liquids such as brake fluid can enter the accommodating cavity through the gaps to corrode the magnetic element, and magnetism of the magnetic element can be influenced for a long time, so that movement of the piston is influenced.
Chinese patent (CN 2022236126430) discloses a piston for clutch booster, and the above-mentioned patent structure has solved the problem that there is the gap between the chamber opening and the closing cap that hold of current magnetic booster piston, and brake fluid enters into the chamber through the gap easily, corrodes the magnetic element who holds the intracavity. However, the magnetic element is separated from the sealing block, so that the sealing performance is poor.
Therefore, how to provide a clutch booster piston structure with simpler and more reasonable structural design and better sealing effect becomes the technical problem to be solved by the person skilled in the art.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present utility model is to provide a clutch booster piston structure with a simpler and more reasonable structural design and a better sealing effect.
In order to achieve the above purpose, the utility model provides a clutch booster piston structure, which comprises a piston body, wherein the piston body comprises a piston at one end, and a piston rod which is perpendicularly and outwardly arranged is connected to one side of the end face of the piston; the magnetic core is characterized in that a mounting hole is formed in the end face of the distal end of the piston rod, a magnetic core which is integrally in a cylindrical structure design is inserted into the mounting hole, a sealing cover which is integrally in a flat circular box body structure design is sleeved at the outer end of the magnetic core, and the sealing cover is in butt joint and sealing with the inner peripheral wall of the outer end of the mounting hole; the sealing cover is connected and arranged on the magnetic core through vulcanization; the outer end of the mounting hole is also provided with a check ring which is integrally in an annular structural design, and the check ring is supported on the outer side of the sealing cover in a pasting manner so as to limit the magnetic core and the sealing cover from falling out of the outer end of the mounting hole.
In this way, in the clutch booster piston structure, the sealing cover is arranged on the magnetic core in a vulcanization mode, so that the sealing cover and the magnetic core are integrated, and the sealing reliability of the clutch booster piston structure can be better ensured. And the structure form of the sealing cover can also better protect the magnetic core and improve the working reliability of the magnetic core.
As optimization, the sealing cover is made of rubber materials.
Like this, sealed lid adopts rubber material to make, more makes things convenient for the vulcanization to set up, and sealed effect is better.
As optimization, the mounting hole comprises a mounting hole mounting section at the inner end and a mounting hole matching section at the outer end; the inner diameter of the mounting hole mounting section is smaller than the diameter of the mounting hole matching section; a rounding structure is arranged between the mounting hole mounting section and the mounting hole matching section to form a matching curved surface; and after the magnetic core is inserted and installed at the installation section of the installation hole, the inner end of the sealing cover can be propped against the matched curved surface and deform, and the sealing cover is adhered and sealed with the matched curved surface.
Like this, structural design of mounting hole is more reasonable for sealed lid inner can the butt support on the cooperation curved surface and produce deformation, paste with the cooperation curved surface again and seal mutually, assurance sealed effect that can be better.
As optimization, the outer end of the fitting section of the mounting hole is provided with a mounting groove, and the retainer ring is arranged in the mounting groove.
Like this, through setting up the mounting groove, set up the retaining ring in the mounting groove, make things convenient for the installation of retaining ring to arrange more, stability after the installation.
As optimization, the outer end of the magnetic core is provided with a sleeving section, and a circle of annular step surface is formed between the sleeving section and the magnetic core; and after the sleeve gasket is sleeved on the sleeve joint section, the inner end of the sleeve gasket can be supported on the step surface in an abutting mode, the inner diameter of the sealing cover is matched with the diameter of the sleeve joint section, and the outer diameter of the sealing cover is larger than the diameter of the magnetic core.
Like this, through the section of cup jointing in magnetic core outer end design, can make things convenient for the installation of sealed lid to arrange more simple and reasonable of structural design.
As the optimization, the magnetic core includes the first magnet steel of inner, the magnetic core still includes the setting in the mounting hole the permanent magnet in the outside of first magnet steel, the magnetic core still includes the setting in the mounting hole the second magnet steel in the permanent magnet outside.
Thus, the magnetic core comprises the first magnetic steel, the permanent magnet and the second magnetic steel, and the cost of the magnetic core can be reduced.
As optimization, the middle part of the end face of the piston is provided with a connecting hole in a penetrating way, and the end part of the piston rod is inserted into and connected with and fixed in the connecting hole; the piston rod is provided with a mounting groove, a sealing ring is arranged in the mounting groove, and the sealing ring is supported on the inner peripheral wall of the connecting hole in a pasting manner; clamping grooves are formed in the piston rod and correspond to the two sides of the piston, clamping rings are arranged in the clamping grooves, and the clamping rings are respectively abutted against the two side faces of the piston to limit the axial movement of the piston rod.
Thus, the piston and the piston rod are more convenient to install and fix, and the structural design is simpler and more reasonable.
As optimization, one end face of the piston rod, which is far away from the mounting hole, is provided with a connecting hole and is used for being connected with the push rod.
Like this, the piston rod can be more convenient link up with the push rod and link up, and structural design is simpler.
In conclusion, the clutch booster piston structure has the characteristics of simpler and more reasonable structural design and better sealing effect.
Drawings
FIG. 1 is a schematic illustration of a clutch booster piston configuration in an embodiment of the utility model.
Fig. 2 is a partially enlarged schematic view of the a position in fig. 1.
Fig. 3 is a partially enlarged schematic view of the B position in fig. 1.
Detailed Description
The present utility model will be further described with reference to the drawings and examples, and it should be noted that in the description of the present utility model, the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific manner, and thus should not be construed as limiting the present utility model. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 3, a clutch booster piston structure comprises a piston body, wherein the piston body comprises a piston 1 at one end, and a piston rod 2 which is perpendicularly and outwardly arranged is connected to one side of the end face of the piston; the end face of the far end of the piston rod is provided with a mounting hole, a magnetic core 3 which is integrally in a cylindrical structure design is inserted into the mounting hole, the outer end of the magnetic core is sleeved with a sealing cover 4 which is integrally in a flat circular box body structure design, and the sealing cover is in butt joint and sealing with the inner peripheral wall of the outer end of the mounting hole; the sealing cover is connected and arranged on the magnetic core through vulcanization; the outer end of the mounting hole is also provided with a retainer ring 5 which is integrally in an annular structural design, and the retainer ring is supported on the outer side of the sealing cover in a pasting manner so as to limit the magnetic core and the sealing cover from falling out of the outer end of the mounting hole.
In this way, in the clutch booster piston structure, the sealing cover is arranged on the magnetic core in a vulcanization mode, so that the sealing cover and the magnetic core are integrated, and the sealing reliability of the clutch booster piston structure can be better ensured. And the structure form of the sealing cover can also better protect the magnetic core and improve the working reliability of the magnetic core.
In this specific embodiment, the sealing cover is made of rubber.
Like this, sealed lid adopts rubber material to make, more makes things convenient for the vulcanization to set up, and sealed effect is better.
In this embodiment, the mounting hole includes a mounting hole mounting section 6 at the inner end and a mounting hole matching section 7 at the outer end; the inner diameter of the mounting hole mounting section is smaller than the diameter of the mounting hole matching section; a rounding structure is arranged between the mounting hole mounting section and the mounting hole matching section to form a matching curved surface 8; and after the magnetic core is inserted and installed at the installation section of the installation hole, the inner end of the sealing cover can be propped against the matched curved surface and deform, and the sealing cover is adhered and sealed with the matched curved surface.
Like this, structural design of mounting hole is more reasonable for sealed lid inner can the butt support on the cooperation curved surface and produce deformation, paste with the cooperation curved surface again and seal mutually, assurance sealed effect that can be better.
In the specific embodiment, the outer end of the matching section of the mounting hole is provided with a mounting groove 9, and the retainer ring is arranged in the mounting groove.
Like this, through setting up the mounting groove, set up the retaining ring in the mounting groove, make things convenient for the installation of retaining ring to arrange more, stability after the installation.
In the specific embodiment, the outer end of the magnetic core is provided with a sleeving section 10, and a circle of annular step surface is formed between the sleeving section and the magnetic core; and after the sleeve gasket is sleeved on the sleeve joint section, the inner end of the sleeve gasket can be supported on the step surface in an abutting mode, the inner diameter of the sealing cover is matched with the diameter of the sleeve joint section, and the outer diameter of the sealing cover is larger than the diameter of the magnetic core.
Like this, through the section of cup jointing in magnetic core outer end design, can make things convenient for the installation of sealed lid to arrange more simple and reasonable of structural design.
In this specific embodiment, the magnetic core includes a first magnetic steel 11 at an inner end, the magnetic core further includes a permanent magnet 12 disposed in the mounting hole and outside the first magnetic steel, and the magnetic core further includes a second magnetic steel 13 disposed in the mounting hole and outside the permanent magnet.
Thus, the magnetic core comprises the first magnetic steel, the permanent magnet and the second magnetic steel, and the cost of the magnetic core can be reduced.
In the specific embodiment, a connecting hole is formed in the middle of the end face of the piston in a penetrating manner, and the end part of the piston rod is inserted into and connected with the connecting hole; the piston rod is provided with a mounting groove, a sealing ring 14 is arranged in the mounting groove, and the sealing ring is supported on the inner peripheral wall of the connecting hole in a pasting manner; clamping grooves are formed in the piston rod and correspond to the two sides of the piston, clamping rings 15 are arranged in the clamping grooves, and the clamping rings are respectively abutted against the two side faces of the piston to limit the axial movement of the piston rod.
Thus, the piston and the piston rod are more convenient to install and fix, and the structural design is simpler and more reasonable.
In this embodiment, an end face of the piston rod facing away from the mounting hole is provided with a coupling hole 16 for coupling with a push rod.
Like this, the piston rod can be more convenient link up with the push rod and link up, and structural design is simpler.
In conclusion, the clutch booster piston structure has the characteristics of simpler and more reasonable structural design and better sealing effect.
The foregoing describes in detail preferred embodiments of the present utility model. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the utility model by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (8)
1. The clutch booster piston structure comprises a piston body, wherein the piston body comprises a piston at one end, and a piston rod which is perpendicularly and outwardly arranged is connected to one side of the end face of the piston; the magnetic core is characterized in that a mounting hole is formed in the end face of the distal end of the piston rod, a magnetic core which is integrally in a cylindrical structure design is inserted into the mounting hole, a sealing cover which is integrally in a flat circular box body structure design is sleeved at the outer end of the magnetic core, and the sealing cover is in butt joint and sealing with the inner peripheral wall of the outer end of the mounting hole; the sealing cover is connected and arranged on the magnetic core through vulcanization; the outer end of the mounting hole is also provided with a check ring which is integrally in an annular structural design, and the check ring is supported on the outer side of the sealing cover in a pasting manner so as to limit the magnetic core and the sealing cover from falling out of the outer end of the mounting hole.
2. A clutch booster piston structure as defined in claim 1, wherein: the sealing cover is made of rubber materials.
3. A clutch booster piston structure as defined in claim 2, wherein: the mounting hole comprises a mounting hole mounting section at the inner end and a mounting hole matching section at the outer end; the inner diameter of the mounting hole mounting section is smaller than the diameter of the mounting hole matching section; a rounding structure is arranged between the mounting hole mounting section and the mounting hole matching section to form a matching curved surface; and after the magnetic core is inserted and installed at the installation section of the installation hole, the inner end of the sealing cover can be propped against the matched curved surface and deform, and the sealing cover is adhered and sealed with the matched curved surface.
4. A clutch booster piston structure as defined in claim 3, wherein: the outer end of the mounting hole matching section is provided with a mounting groove, and the retaining ring is arranged in the mounting groove.
5. A clutch booster piston structure as defined in claim 1, wherein: the outer end of the magnetic core is provided with a sleeving section, and a ring-shaped step surface is formed between the sleeving section and the magnetic core; and after the sealing cover is sleeved on the sleeving section, the inner end of the sealing cover can be supported on the step surface in an abutting mode, the inner diameter of the sealing cover is matched with the diameter of the sleeving section, and the outer diameter of the sealing cover is larger than the diameter of the magnetic core.
6. A clutch booster piston structure as defined in claim 1, wherein: the magnetic core comprises first magnetic steel at the inner end, the magnetic core further comprises a permanent magnet arranged in the mounting hole and outside the first magnetic steel, and the magnetic core further comprises second magnetic steel arranged in the mounting hole and outside the permanent magnet.
7. A clutch booster piston structure as defined in claim 1, wherein: the middle part of the end face of the piston is provided with a connecting hole in a penetrating way, and the end part of the piston rod is inserted into the connecting hole for connecting and fixing; the piston rod is provided with a mounting groove, a sealing ring is arranged in the mounting groove, and the sealing ring is supported on the inner peripheral wall of the connecting hole in a pasting manner; the piston rod is provided with clamping grooves corresponding to two sides of the piston, clamping rings are arranged in the clamping grooves, and the clamping rings are respectively abutted against two side surfaces of the piston to limit the axial movement of the piston rod.
8. A clutch booster piston structure as defined in claim 1, wherein: and the end face of one end, deviating from the mounting hole, of the piston rod is provided with a connecting hole and is used for being connected with the push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321558335.6U CN220185658U (en) | 2023-06-17 | 2023-06-17 | Clutch booster piston structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321558335.6U CN220185658U (en) | 2023-06-17 | 2023-06-17 | Clutch booster piston structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220185658U true CN220185658U (en) | 2023-12-15 |
Family
ID=89099645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321558335.6U Active CN220185658U (en) | 2023-06-17 | 2023-06-17 | Clutch booster piston structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220185658U (en) |
-
2023
- 2023-06-17 CN CN202321558335.6U patent/CN220185658U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |