CN213008594U - Disc brake pump body braked by foot brake - Google Patents
Disc brake pump body braked by foot brake Download PDFInfo
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- CN213008594U CN213008594U CN202021935403.2U CN202021935403U CN213008594U CN 213008594 U CN213008594 U CN 213008594U CN 202021935403 U CN202021935403 U CN 202021935403U CN 213008594 U CN213008594 U CN 213008594U
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- pump body
- chamber
- stopping
- piston chamber
- piston
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Abstract
The utility model relates to a dish of service brake braking pump body of stopping, including the dish pump body of stopping, this internal first piston chamber and the second piston chamber of being equipped with of dish pump of stopping, first piston chamber is equipped with the first entrance point that supplies the brake pedal to connect and supplies the first exit end that the front wheel braking pincers are connected, second piston chamber is equipped with the second entrance point that supplies the brake pedal to connect and supplies the second exit end that the rear wheel braking pincers are connected, be equipped with the oil cup mount pad that switches on respectively with first piston chamber and second piston chamber on the dish pump body of stopping, the one end that the dish pump body of stopping is close to first exit end is equipped with balanced chamber, balanced chamber sets up between first piston chamber and second piston chamber to switch on first, second piston chamber each other, thereby do not need the timing dish pump body of stopping just can make preceding, rear wheel braking simultaneously.
Description
Technical Field
The utility model relates to a disc brake field for tricycle, concretely relates to disc brake pump body of service brake braking.
Background
At present, the disc brake device is widely applied to various types of vehicles, wherein the electric tricycle can be matched with the foot brake device for convenient braking, the foot brake device is independently installed on the electric tricycle and can control a front wheel and two rear wheels, when the foot brake device is used, a pedal is stepped and then an ejector rod is pushed into a disc brake pump body provided with a piston, the disc brake pump body pushes brake oil in two cavities in linkage of the front wheel and the rear wheel to the positions of the front wheel and the rear wheel to complete braking, however, the mode of braking through matching of two independent cavities with the front wheel and the rear wheel is adopted, but due to different types of vehicles, the force of a brake caliper of the front wheel and the rear wheel is different, when the disc brake device is installed on a disc brake assembly, the two cavities are required to be debugged, after the pedal is stepped, the brake caliper of the front wheel and the brake caliper formed by hydraulic oil provided by the two cavities are, The rear wheel brakes asynchronously, and the vehicle body is unbalanced when braking.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to solve the above-mentioned deficiencies of the prior art,
the disc brake pump body can brake the front wheel and the rear wheel simultaneously without adjustment.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a dish of service brake braking pump body of stopping, includes the dish pump body of stopping, this internal first piston chamber and the second piston chamber of being equipped with of dish pump of stopping, first piston chamber is equipped with the first entrance point that supplies the brake pedal to connect and supplies the first exit end that the front wheel braking pincers are connected, second piston chamber is equipped with the second entrance point that supplies the brake pedal to connect and supplies the second exit end that the rear wheel braking pincers are connected, be equipped with the oil cup mount pad that switches on respectively with first piston chamber and second piston chamber on the dish pump body of stopping, its characterized in that: the one end that the dish pump body of stopping is close to first exit end is equipped with balanced chamber, balanced chamber sets up between first piston chamber and second piston chamber to switch on first, second piston chamber each other.
By adopting the technical scheme, the first inlet end and the second inlet end are connected with the ejector rod, one end of the ejector rod is inserted into the first piston cavity and the second piston cavity through the piston, the other end of the ejector rod is connected with the brake pedal, the first outlet end and the second outlet end are respectively connected with the front wheel brake caliper and the rear wheel brake caliper, the oil cup is arranged on the oil cup mounting seat and supplies oil to the first piston cavity and the second piston cavity, when the brake pedal is trampled, the ejector rod pushes the piston in the first piston cavity and the second piston cavity, so that the inlet end moves to the outlet end, due to the arrangement of the balance cavity, hydraulic oil in the first piston cavity and the second piston cavity can be mutually communicated through the balance cavity, when the hydraulic oil pressure on one side is higher than that on the other side, the hydraulic oil can be conveyed into the piston cavity on the other side through the balance cavity to perform oil path compensation, thereby ensuring the front wheel brake caliper, and the defect that the disc brake pump body needs to be adjusted when being installed originally is eliminated.
The disc brake pump body for the foot brake can be further set as follows: the first piston cavity is provided with a first oil inlet hole and a first oil return hole which are communicated with the oil cup mounting seat at one end corresponding to the oil cup mounting seat, and the second piston cavity is provided with a second oil inlet hole and a second oil return hole which are communicated with the oil cup mounting seat at one end corresponding to the oil cup mounting seat.
By adopting the technical scheme, the oil cup supplies oil to the disc brake pump body by arranging the oil inlet hole, and the part of oil needing pressure relief returns to the oil cup through the oil return hole, so that the stability of the brake system is ensured.
The disc brake pump body for the foot brake can be further set as follows: the balance valve is arranged in the balance cavity, a first return spring is arranged at one end, corresponding to the first piston cavity, of the balance valve, a second return spring is arranged at one end, corresponding to the second piston cavity, of the balance valve, and a sealing ring is arranged between the balance valve and the balance cavity.
Adopt above-mentioned technical scheme, through setting up the balanced valve, the pressure in balanced both ends piston chamber to establish return spring and make return spring and balanced chamber both ends looks butt at balanced valve both ends cover, make balanced valve ability back-and-forth movement in balanced intracavity, and through the return of return spring, through setting up the sealing washer, guarantee that hydraulic oil can only circulate through the balanced valve.
The disc brake pump body for the foot brake can be further set as follows: the one end that the dish pump body of stopping corresponds balanced chamber is equipped with the plug screw hole, the plug screw hole is the processing of loosing core of balanced chamber and forms.
Adopt above-mentioned technical scheme, the dish pump body of stopping is integral casting, sets up balanced chamber and must do the processing of loosing core to reduce the manufacturing degree of difficulty, and set up the plug screw hole of loosing core formation in balanced chamber one end, make the piston chamber of one end sealed, thereby the separation micronic dust gets into balanced chamber, improves the propelling movement efficiency of piston in the equipment back dish pump body of stopping.
The disc brake pump body for the foot brake can be further set as follows: the one end that the dish pump body of stopping corresponds balanced chamber is equipped with the plug screw hole, the plug screw hole is the processing formation of loosing core of balanced chamber, the plug screw is installed to the one end that the balanced chamber corresponds the plug screw hole.
By adopting the technical scheme, the balance cavity is isolated from the outside of the disc brake pump body by installing the plug.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic perspective view of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 3 is a sectional view of embodiment 1 of the present invention.
Fig. 4 is a sectional view of embodiment 2 of the present invention.
Detailed Description
Example 1:
as shown in fig. 1-3, a disc brake pump body for foot brake includes a disc brake pump body 1, a first piston cavity 2 and a second piston cavity 3 are provided in the disc brake pump body 1, the first piston cavity 1 is provided with a first inlet port 21 for connecting a brake pedal and a first outlet port 21 for connecting a front wheel brake caliper, the second piston cavity 3 is provided with a second inlet port 31 for connecting a brake pedal and a second outlet port 32 for connecting a rear wheel brake caliper, the disc brake pump body 1 is provided with an oil cup mounting seat 4 respectively connected with the first piston cavity 2 and the second piston cavity 3, one end of the disc brake pump body 1 close to the first outlet port 2 is provided with a balance cavity 5, the balance cavity 5 is provided between the first piston cavity 2 and the second piston cavity 3 and connects the first piston cavity 2 and the second piston cavity 3 with each other, one end of the first piston cavity 2 corresponding to the oil cup mounting seat 4 is provided with a first oil inlet hole 23 and a second oil inlet hole connected with the oil cup mounting seat 4 An oil return hole 24, the one end that second piston chamber 3 corresponds oil cup mount pad 4 is equipped with second inlet port 33 and the second oil return hole 34 that switches on mutually with oil cup mount pad 4, the one end that the pump body 1 of dish is stopped corresponds balanced chamber 5 is equipped with plug screw hole 6, plug screw hole 6 is the processing formation of loosing core of balanced chamber.
Example 2: a disc brake pump body for foot brake comprises a disc brake pump body 1, a first piston cavity 2 and a second piston cavity 3 are arranged in the disc brake pump body 1, the first piston cavity 1 is provided with a first inlet end 21 connected with a brake pedal and a first outlet end 21 connected with a front wheel brake caliper, the second piston cavity 3 is provided with a second inlet end 31 connected with the brake pedal and a second outlet end 32 connected with a rear wheel brake caliper, the disc brake pump body 1 is provided with an oil cup mounting seat 4 respectively communicated with the first piston cavity 2 and the second piston cavity 3, one end of the disc brake pump body 1 close to the first outlet end 2 is provided with a balance cavity 5, the balance cavity 5 is arranged between the first piston cavity 2 and the second piston cavity 3 and mutually communicates the first piston cavity 2 and the second piston cavity 3, one end of the first piston cavity 2 corresponding to the oil cup mounting seat 4 is provided with a first oil inlet hole 23 and a first oil return hole 24 communicated with the oil cup mounting seat 4, the one end that second piston chamber 3 corresponds oil cup mount pad 4 is equipped with second inlet port 33 and the second oil gallery 34 that switches on mutually with oil cup mount pad 4, be equipped with balanced valve 7 in the balanced chamber 5, the one end that balanced valve 7 corresponds first piston chamber 2 is equipped with first return spring 71, and the one end that corresponds second piston chamber 3 is equipped with second return spring 72, be equipped with sealing washer 73 between balanced valve 7 and the balanced chamber 5, the one end that the dish pump body 1 that stops corresponds balanced chamber 5 is equipped with plug screw hole 6, plug screw hole 6 is the processing formation of loosing core of balanced chamber, plug screw 8 is installed to the one end that balanced chamber 5 corresponds plug screw hole 6.
Claims (5)
1. The utility model provides a dish of service brake braking pump body of stopping, includes the dish pump body of stopping, this internal first piston chamber and the second piston chamber of being equipped with of dish pump of stopping, first piston chamber is equipped with the first entrance point that supplies the brake pedal to connect and supplies the first exit end that the front wheel braking pincers are connected, second piston chamber is equipped with the second entrance point that supplies the brake pedal to connect and supplies the second exit end that the rear wheel braking pincers are connected, be equipped with the oil cup mount pad that switches on respectively with first piston chamber and second piston chamber on the dish pump body of stopping, its characterized in that: the one end that the dish pump body of stopping is close to first exit end is equipped with balanced chamber, balanced chamber sets up between first piston chamber and second piston chamber to switch on first, second piston chamber each other.
2. The disc brake pump body of the service brake of claim 1, which is characterized in that: the first piston cavity is provided with a first oil inlet hole and a first oil return hole which are communicated with the oil cup mounting seat at one end corresponding to the oil cup mounting seat, and the second piston cavity is provided with a second oil inlet hole and a second oil return hole which are communicated with the oil cup mounting seat at one end corresponding to the oil cup mounting seat.
3. The disc brake pump body of a service brake according to claim 1 or 2, characterized in that: the balance valve is arranged in the balance cavity, a first return spring is arranged at one end, corresponding to the first piston cavity, of the balance valve, a second return spring is arranged at one end, corresponding to the second piston cavity, of the balance valve, and a sealing ring is arranged between the balance valve and the balance cavity.
4. The disc brake pump body of a service brake according to claim 1 or 2, characterized in that: the one end that the dish pump body of stopping corresponds balanced chamber is equipped with the plug screw hole, the plug screw hole is the processing of loosing core of balanced chamber and forms.
5. The disc brake pump body of the service brake of claim 3, characterized in that: the one end that the dish pump body of stopping corresponds balanced chamber is equipped with the plug screw hole, the plug screw hole is the processing formation of loosing core of balanced chamber, the plug screw is installed to the one end that the balanced chamber corresponds the plug screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021935403.2U CN213008594U (en) | 2020-09-07 | 2020-09-07 | Disc brake pump body braked by foot brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021935403.2U CN213008594U (en) | 2020-09-07 | 2020-09-07 | Disc brake pump body braked by foot brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213008594U true CN213008594U (en) | 2021-04-20 |
Family
ID=75474847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021935403.2U Active CN213008594U (en) | 2020-09-07 | 2020-09-07 | Disc brake pump body braked by foot brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213008594U (en) |
-
2020
- 2020-09-07 CN CN202021935403.2U patent/CN213008594U/en active Active
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