CN220101871U - Residual valve optimizing structure of long-service-life brake master cylinder - Google Patents
Residual valve optimizing structure of long-service-life brake master cylinder Download PDFInfo
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- CN220101871U CN220101871U CN202321327286.5U CN202321327286U CN220101871U CN 220101871 U CN220101871 U CN 220101871U CN 202321327286 U CN202321327286 U CN 202321327286U CN 220101871 U CN220101871 U CN 220101871U
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- residual valve
- master cylinder
- brake master
- residual
- throttle plate
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- 238000005457 optimization Methods 0.000 claims abstract description 11
- 239000000428 dust Substances 0.000 claims description 4
- 239000012535 impurity Substances 0.000 abstract description 8
- 239000002245 particle Substances 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 239000004575 stone Substances 0.000 abstract description 4
- 230000008719 thickening Effects 0.000 abstract description 3
- 238000012795 verification Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Transmission Of Braking Force In Braking Systems (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The utility model discloses a residual valve optimization structure of a long-service-life brake master cylinder, which comprises a brake master cylinder body, wherein a residual valve body is arranged on the brake master cylinder body, a residual valve rubber cushion with increased thickening is arranged in the residual valve body, a throttle plate inner groove is formed in the inner side of the residual valve rubber cushion, a throttle plate is arranged in the throttle plate inner groove, a spring connected with the throttle plate is arranged in the residual valve body, and a cone bolt is arranged on the residual valve body; the utility model provides a residual valve rubber pad with thickened oil outlet expansion holes, which is characterized in that the residual valve rubber pad is provided with the oil outlet expansion holes, and the throttle plate is provided with the throttle expansion holes, so that the residual valve rubber pad is optimally designed, when brake oil circulates in the residual valve, impurities and small-particle broken stone enter the inner cavity of a brake master cylinder through a hydraulic pipeline, the service performance of the brake master cylinder is not affected, the service life of the brake master cylinder is prolonged, and the durability of the brake master cylinder is greatly improved.
Description
Technical Field
The utility model belongs to the technical field of brake master pumps, and particularly relates to a residual valve optimization structure of a long-service-life brake master pump.
Background
The main brake cylinder is also called as main brake oil (gas), and has the main functions of pushing brake fluid (or gas) to be transmitted into each brake cylinder to push a piston, and the main brake cylinder belongs to a single-acting piston type hydraulic cylinder, and has the function of converting mechanical energy input by a pedal mechanism into hydraulic energy, and is respectively used for a single-loop hydraulic brake system and a double-loop hydraulic brake system.
When the brake master cylinder is used for forklift engineering vehicles, the service environment is mostly large dust or muddy and severe environment, brake oil enters oil through an oil inlet of the brake master cylinder, then oil is discharged from an oil outlet, after the brake master cylinder is used for one time, the brake master cylinder is free of impurities, the brake oil is only turbid and can be normally used, but impurities or small broken stone particles appear in a hydraulic pipeline connected with the brake master cylinder, along with the increase of the service time of the brake master cylinder, the impurities or the broken stone particles enter a brake master cylinder cavity along with the brake oil, at the moment, a residual valve component on the brake master cylinder can obstruct the impurities or the small broken stone particles to enter and exit the brake master cylinder cavity, so that the service life of the brake master cylinder is shortened, and the residual valve optimization structure of the brake master cylinder with high service life is provided.
Disclosure of Invention
The utility model aims to provide a residual valve optimization structure of a long-service-life brake master cylinder, so as to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a residual valve optimizing structure of long-life brake master cylinder, includes the brake master cylinder body, be provided with the residual valve body on the brake master cylinder body, be provided with the residual valve cushion of increaseing the thickening in the residual valve body, the thickening the inboard of residual valve cushion has seted up the throttle plate inside groove, be provided with the throttle plate in the throttle plate inside groove, still be provided with in the residual valve body with the spring that the throttle plate is connected, be provided with the bevel bolt on the residual valve body;
the residual valve rubber pad is provided with an oil outlet expansion hole, and the throttle plate is provided with a throttle expansion hole.
Preferably, the brake master cylinder body is provided with an oil inlet port, the oil inlet port is communicated with the inner cavity of the brake master cylinder body, the taper bolt is provided with an oil outlet port, and the oil outlet port is communicated with the inner cavity of the residual valve body.
Preferably, the inner lower part of the residual valve body is provided with an internal thread, and the taper bolt is connected to the lower part of the residual valve body through the internal thread.
Preferably, a dust plug is arranged on the inner side of the cone-shaped bolt.
Preferably, the inner cavity of the residual valve body is communicated with the inner cavity of the brake master cylinder body through a through hole.
Preferably, a convex ring is arranged at the bottom of the residual valve rubber pad, and the convex ring is abutted with the cone-mouth bolt.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model is provided with the thickened residual valve rubber cushion, the residual valve rubber cushion is provided with the oil outlet expansion hole, the throttle plate is provided with the throttle expansion hole, the residual valve rubber cushion in the residual valve assembly on the brake master cylinder is optimally designed, the original 14.5mm diameter optimal design of the residual valve rubber cushion is changed into 18.5mm, the oil outlet hole on the thickened residual valve rubber cushion is also enlarged, meanwhile, the throttle plate is also enlarged, when brake oil flows in the residual valve, impurities and small particle rubble can enter the inner cavity of the brake master cylinder through a hydraulic pipeline, the service performance of the brake master cylinder is not affected, the service life of the brake master cylinder is prolonged, the brake master cylinder passes verification, the durable life running-in time of the brake master cylinder before optimization is 60 tens of thousands (standard 33.5 tens of thousands), the durable life running-in time of the brake master cylinder after optimization is 100 tens of thousands, and the durability of the brake master cylinder is greatly improved.
Drawings
FIG. 1 is a schematic cross-sectional view of the present utility model;
fig. 2 is a schematic diagram of the overall front view structure of the present utility model.
In the figure: 1. a brake master cylinder body; 2. a residual valve body; 201. an internal thread; 3. residual valve rubber cushion; 301. an oil outlet enlarged hole; 302. a convex ring; 4. an inner slot of the throttle plate; 5. a throttle plate; 501. a throttle expansion hole; 6. a spring; 7. taper bolt; 8. an oil inlet port; 9. an oil outlet port; 10. a dust plug; 11. and a through hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, the residual valve optimizing structure of the high-service-life brake master cylinder provided by the utility model comprises a brake master cylinder body 1, wherein an oil inlet port 8 is arranged on the brake master cylinder body 1, the oil inlet port 8 is communicated with the inner cavity of the brake master cylinder body 1, a residual valve body 2 is arranged on the brake master cylinder body 1, the inner cavity of the residual valve body 2 is communicated with the inner cavity of the brake master cylinder body 1 through a through hole 11, an enlarged residual valve rubber pad 3 is arranged in the residual valve body 2, the original 14.5mm diameter optimizing design of the residual valve rubber pad 3 is changed into 18.5mm, an oil outlet enlarged hole 301 is formed in the residual valve rubber pad 3, a throttle plate inner groove 4 is formed in the inner side of the enlarged residual valve rubber pad 3, a throttle plate 5 is arranged in the throttle plate inner groove 4, a spring 6 connected with the throttle plate 5 is formed in the throttle plate 5, a cone bolt 7 is arranged on the residual valve body 2, an inner lower part of the residual valve body 2 is provided with an inner thread 201, the cone bolt 7 is connected with the inner side of the cone bolt 7 through the inner thread, the cone bolt 7 is connected with the cone bolt 2 through the inner thread 201, an inner side of the cone bolt 2 is provided with a cone bolt 2, an inner side end opening 9 is provided with a cone bolt 2 is provided with an inner side opening hole 302, an inner side end opening 9 is provided with an inner side opening 9 is provided with a cone bolt 9, and an inner side opening end opening 9 is provided with an inner side opening hole.
The utility model is provided with a thickened residual valve rubber pad 3, an oil outlet expansion hole 301 is formed in the residual valve rubber pad 3, a throttling expansion hole 501 is formed in a throttle plate 5, the residual valve rubber pad 3 in a residual valve assembly on a brake master cylinder is optimally designed, the original 14.5mm diameter optimal design of the residual valve rubber pad 3 is changed into 18.5mm, an oil outlet hole on the thickened residual valve rubber pad 3 is also enlarged, meanwhile, an orifice on the throttle plate 5 is also enlarged, when brake oil flows in the residual valve, impurities and small particle rubble can enter an inner cavity of the brake master cylinder through a hydraulic pipeline, the service performance of the brake master cylinder is not influenced, the service life of the brake master cylinder is prolonged, the brake master cylinder passes verification, the running times of the service life of the brake master cylinder before optimization are 60 times (standard 33.5 ten thousand times), the running times of the service life of the brake master cylinder after optimization are 100 ten thousand times, and the durability of the brake master cylinder is greatly improved.
In summary, the working principle of the residual valve optimizing structure of the long-life brake master cylinder provided in this embodiment is as follows: according to the utility model, the thickened residual valve rubber pad 3 is added, the oil outlet expansion hole 301 is formed in the residual valve rubber pad 3, the throttling expansion hole 501 is formed in the throttling plate 5, the residual valve rubber pad 3 in the residual valve assembly on the brake master cylinder is optimally designed, the original 14.5mm diameter optimal design of the residual valve rubber pad 3 is changed into 18.5mm, the oil outlet hole on the thickened residual valve rubber pad 3 is also enlarged, meanwhile, the throttling hole on the throttling plate 5 is also enlarged, when brake oil flows in the residual valve, impurities and small particle rubble can enter the inner cavity of the brake master cylinder through a hydraulic pipeline, the service performance of the brake master cylinder is not influenced, the service life of the brake master cylinder is prolonged, the brake master cylinder passes verification, the running times of the service life of the brake master cylinder before optimization is 60 times (standard 33.5 ten thousand times), the running times of the service life of the brake master cylinder after optimization is 100 ten thousand times, and the durability of the brake master cylinder is greatly improved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a residual valve optimization structure of long-life brake master cylinder, its characterized in that includes brake master cylinder body (1), be provided with residual valve body (2) on brake master cylinder body (1), be provided with residual valve cushion (3) in residual valve body (2), the diameter of residual valve cushion (3) is 18.5mm, throttle plate inside groove (4) have been seted up to the inboard of residual valve cushion (3), be provided with throttle plate (5) in throttle plate inside groove (4), still be provided with in residual valve body (2) with spring (6) that throttle plate (5) are connected, be provided with bevel bolt (7) on residual valve body (2);
the residual valve rubber pad (3) is provided with an oil outlet expansion hole (301), and the throttle plate (5) is provided with a throttle expansion hole (501).
2. The residual valve optimizing structure of a high service life brake master cylinder according to claim 1, wherein: be provided with oil inlet port (8) on brake master cylinder body (1), oil inlet port (8) with the inner chamber intercommunication of brake master cylinder body (1), set up oil outlet port (9) on cone mouth bolt (7), oil outlet port (9) with the inner chamber intercommunication of residual valve body (2).
3. The residual valve optimizing structure of a high service life brake master cylinder according to claim 1, wherein: the inner lower part of the residual valve body (2) is provided with an internal thread (201), and the conical bolt (7) is connected to the lower part of the residual valve body (2) through the internal thread (201) in a threaded manner.
4. The residual valve optimizing structure of a long-life brake master cylinder according to claim 3, wherein: a dust plug (10) is arranged on the inner side of the conical bolt (7).
5. The residual valve optimizing structure of a high service life brake master cylinder according to claim 1, wherein: the inner cavity of the residual valve body (2) is communicated with the inner cavity of the brake master cylinder body (1) through a through hole (11).
6. The residual valve optimizing structure of a high service life brake master cylinder according to claim 1, wherein: the bottom of residual valve cushion (3) is provided with bulge loop (302), bulge loop (302) with awl mouth bolt (7) butt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321327286.5U CN220101871U (en) | 2023-05-29 | 2023-05-29 | Residual valve optimizing structure of long-service-life brake master cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321327286.5U CN220101871U (en) | 2023-05-29 | 2023-05-29 | Residual valve optimizing structure of long-service-life brake master cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220101871U true CN220101871U (en) | 2023-11-28 |
Family
ID=88867212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321327286.5U Active CN220101871U (en) | 2023-05-29 | 2023-05-29 | Residual valve optimizing structure of long-service-life brake master cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220101871U (en) |
-
2023
- 2023-05-29 CN CN202321327286.5U patent/CN220101871U/en active Active
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