CN206812985U - A kind of row parking braking combined supercharging device - Google Patents
A kind of row parking braking combined supercharging device Download PDFInfo
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- CN206812985U CN206812985U CN201621442335.XU CN201621442335U CN206812985U CN 206812985 U CN206812985 U CN 206812985U CN 201621442335 U CN201621442335 U CN 201621442335U CN 206812985 U CN206812985 U CN 206812985U
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- parking
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- chamber
- supercharging device
- row
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Abstract
The utility model discloses a kind of row parking braking combined supercharging device, including connection cap assembly and the driving chamber that cavity shell assembly encloses of driving a vehicle；The hydraulic cavities that hydraulic cylinder and end cap assembly enclose；Driving chamber, hydraulic cavities are respectively by driving a vehicle cavity shell assembly and end cap assembly is fastenedly connected；Leather cup, push rod assembly and return spring are provided with driving chamber；Ram seat, hydraulic piston assembly bushing are provided with hydraulic cavities；Combined supercharging device is additionally provided with parking chamber, and parking chamber is separated by connecting cap assembly with driving chamber.Using above-mentioned technical proposal, compared with prior art, parking function is added, realize in the case of without air pressure, booster, which remains able to output brake force, allows vehicle to stop so that the function of booster gets a promotion, instead of original parking system, the brakes of whole vehicle is optimized.
Description
Technical field
The utility model belongs to the technical field of engineering truck brakes.More specifically, it the utility model is related to one kind
Row parking braking combined supercharging device.
Background technology
In the prior art, the booster of engineering truck brakes is usually single-chamber service brake.This kind of booster exists
In the case of air inlet, hydraulic cylinder inner chamber forms hydraulic oil so that power output increases, so as to meet demand braking force.
But when without air pressure, booster can not just obtain through refining power, parking system on car can only be relied on to provide brake force.
So this kind of booster is functionally relatively simple.
Utility model content
The utility model provides a kind of row parking braking combined supercharging device, the purpose is to realize in the case of without air pressure,
Booster, which remains able to output brake force, allows vehicle to stop.
To achieve these goals, the technical scheme that the utility model is taken is：
Row parking braking combined supercharging device of the present utility model, including connection cap assembly and driving cavity shell assembly enclose and
Into driving chamber；The hydraulic cavities that hydraulic cylinder and end cap assembly enclose；Described driving chamber, hydraulic cavities pass through driving respectively
Cavity shell assembly and end cap assembly are fastenedly connected；
Leather cup, push rod assembly and return spring are provided with described driving chamber；Ram seat, liquid are provided with described hydraulic cavities
Press piston assembly bushing；
Described combined supercharging device is additionally provided with parking chamber, and described parking chamber is separated by connecting cap assembly with driving chamber.
Described parking chamber is enclosed with being connected cap assembly by parking chamber cylinder assembly and formed, and is set in described parking chamber
Parking piston assembly, described parking piston assembly are connected by piston rod with push rod assembly.
Described parking chamber is additionally provided with parking spring, described parking spring one end fore-set parking chamber cylinder assembly, another
Withstand parking piston assembly in end so that parking piston assembly is moved to driving chamber.
On the outside piston face of described parking piston assembly, piston guide set is set.
On the outside piston face of described parking piston assembly, y-type seal ring is set.
Be additionally provided with oil storage cup assembly on described hydraulic cylinder, the oil pocket of described oil storage cup assembly by oilhole with it is described
Hydraulic cavities direction driving chamber oil pocket connection.
The combined supercharging device is provided with blast pipe, and described blast pipe connects parking chamber with driving chamber.
Connection outer rim of the described driving cavity shell assembly with being connected cap assembly, using the clip clamping of two semicircles, and
By locked clip device bolt and locked clip device nut by two locked clip devices.
The highest point of the outer end of described hydraulic cylinder, bleed screw is set.
Described parking piston assembly and the end for being connected cap assembly cooperation, set sealing plug.
The utility model uses above-mentioned technical proposal, compared with prior art, adds parking function, realizes without air pressure
In the case of, booster, which remains able to output brake force, allows vehicle to stop so that the function of booster gets a promotion, instead of original
Parking system, the brakes of whole vehicle is optimized.
Brief description of the drawings
Content shown in accompanying drawing and the mark in figure are briefly described as follows：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the right view of structure shown in Fig. 1.
In figure mark for：
1st, nut (M16), 2, elastic cylindrical pin (φ 6 × 24), 4, adjustment bolt, 5, parking chamber cylinder assembly, 6, parking
Spring, 7, exhaust shroud, 8, piston guide set, 9, y-type seal ring, 10, parking piston assembly, 11, blast pipe, 12, sealing spiral shell
Plug, 13, connection cover O-ring seal, 14, leather cup, 15, connection cap assembly, 16, push rod assembly, 17, return spring, 18, clip,
19th, drive a vehicle cavity shell assembly, 20, oil storage cup assembly, 21, hydraulic cylinder, 22, bleed screw, 23, hydraulic piston assembly bushing,
24th, ram seat, 25, hole back-up ring, 26, nut (M10), 27, packing ring (10), 28, end cap assembly, 29, locked clip device bolt
(M10 × 55), 30, locked clip device nut (M10).
Embodiment
Below against accompanying drawing, by the description to embodiment, specific embodiment of the present utility model is made further detailed
Thin explanation, with help those skilled in the art have to inventive concept of the present utility model, technical scheme it is more complete, accurate and
Deep understanding.
Structure of the present utility model as shown in Figure 1 and Figure 2, is a kind of row parking braking combined supercharging device, including connection cover is total
The driving chamber enclosed into 15 and driving cavity shell assembly 19；The hydraulic pressure that hydraulic cylinder 21 and end cap assembly 28 enclose
Chamber；Described driving chamber, hydraulic cavities are respectively by driving a vehicle cavity shell assembly 19 and end cap assembly 28 is fastenedly connected；Described driving
Leather cup 14, push rod assembly 16 and return spring 17 are provided with chamber；Ram seat 24, hydraulic piston assembly are provided with described hydraulic cavities
Bushing 23.
Push rod is connected with the ram seat 24 on hydraulic piston assembly bushing 23 by hole back-up ring 25.
Described end cap assembly 28 is total by nut 26 (specification M10) and packing ring 27 (specification 10) and driving cavity shell
It is fastenedly connected into 19.
The driving chamber is mainly made up of leather cup 14, return spring 17, push rod assembly 16, upper housing assy, push rod assembly 16
Ensure to seal by leather cup 14 between connection cover 15.
The defects of in order to overcome prior art, realize in the case of without air pressure, booster remains able to export brake force
Allow the goal of the invention that vehicle stops, the technical scheme that the utility model is taken is：
As shown in Figure 1 and Figure 2, row parking braking combined supercharging device of the present utility model, is additionally provided with parking chamber, and described stays
Car chamber is separated by connecting cap assembly 15 with driving chamber.
Above-mentioned booster of the present utility model, mainly it is made up of parking chamber (back cavity), driving chamber (ante-chamber), hydraulic cavities.Institute
State parking chamber and driving chamber and form two chambers by connecting cap assembly 15, and prevent from collaborating by connection cover O-ring seal 13.
The brakes of whole vehicle is optimized the utility model.Its technical scheme taken and prior art phase
Than adding parking function so that the function of booster gets a promotion, instead of original parking system.
Described parking chamber is enclosed with being connected cap assembly 15 by parking chamber cylinder assembly 5 and formed, in described parking chamber
Parking piston assembly 10 is set, and described parking piston assembly 10 is connected by piston rod with push rod assembly 16.
Described parking chamber is additionally provided with parking spring 6, the described one end fore-set parking chamber cylinder assembly 5 of parking spring 6, another
Withstand parking piston assembly 10 in one end so that parking piston assembly 10 is moved to driving chamber.
The parking chamber is mainly by parking chamber cylinder assembly 5, parking piston assembly 10, parking spring 6, adjustment bolt 4 etc.
Part forms, and can manually screw out the mode of adjustment bolt 4, releases braking.
The outer end of described adjustment bolt 4, set nut 1 (specification M16), elastic cylindrical pin 2 (specification be φ 6 ×
24), elastic cylindrical pin 2 passes through adjustment bolt 4 and nut 1, prevents nut 1 unclamps from coming off.
On the outside piston face of described parking piston assembly 10, piston guide is set to cover 8.
On the outside piston face of described parking piston assembly 10, y-type seal ring 9 is set.Cylinder body and parking piston assembly
Sealed between 10 by Y-shaped ring sealing 9.
Oil storage cup assembly 20 is additionally provided with described hydraulic cylinder 21, the oil pocket of described oil storage cup assembly 20 passes through oilhole
Connected with the oil pocket of the direction driving chamber of described hydraulic cavities.
The hydraulic cavities are mainly by part groups such as lubricating cup 20, hydraulic cylinder 21, ram seat 24, hydraulic piston assembly bushings 23
Into, by end cap assembly with driving chamber be connected；Hydraulic cylinder 21 is provided with the apertures of φ 3, and thus hole flows into hydraulic pressure to lubricating cup hydraulic oil
Cylinder body 21；Ram seat 24 passes through 16 spacing connection of push rod assembly.
The combined supercharging device is provided with blast pipe 11, and described blast pipe 11 connects parking chamber with driving chamber.
Two chambers are connected by blast pipe 11, are easy to be vented during work.Described blast pipe 11 connects with parking chamber cylinder assembly 5
Place is met, is fixed using exhaust shroud 7.
Connection outer rim of the described driving cavity shell assembly 19 with being connected cap assembly 15, is blocked using the clip 18 of two semicircles
Tightly, and by locked clip device bolt 29 (specification is M10 × 55) and locked clip device nut 30 (specification M10) by two clips 18
Locking.
The highest point of the outer end of described hydraulic cylinder 21, bleed screw 22 is set.
Described parking piston assembly 10 and the end for being connected the cooperation of cap assembly 15, set sealing plug 12.
Operation principle of the present utility model：
Parking brake is put down, to parking chamber air inlet, push rod assembly 16 back moves reset, ram seat 24 and hydraulic piston seal face
Disengage, brake fluid returns to oil storage cup, brake release vehicle launch；
Service brake is stepped on, leather cup 14 promotes push rod assembly 16 to move ahead, heads on ram seat 24 and seal hydraulic piston seal face,
Hydraulic oil is produced in hydraulic cylinder 21, there is provided brake power；
Service brake is unclamped, push rod assembly 16 resets in the presence of return spring 17, ram seat 24 and hydraulic piston seal face
Disengage, brake fluid returns to oil storage cup, releases service brake；
Parking brake is pulled on, stops air inlet, in the presence of parking spring 6, push rod assembly 16 heads on ram seat 24 and seals hydraulic pressure
Piston assembly, form hydraulic oil in the inner chamber of hydraulic cylinder 21, there is provided parking brake force.
Using above-mentioned technical proposal, when vehicle does not have air pressure, piston assembly is in the presence of parking spring 6, toward driving
Cavity direction moves, and promotes push rod assembly 16 to move ahead；The pushing tow ram seat 24 of push rod assembly 16 seals with hydraulic piston assembly, in liquid
Cylinder pressure intracoelomic cavity forms hydraulic oil, exports brake force.
When vehicle has under barometric information, leather cup 14 can promote push rod assembly 16 to move forward so that ram seat 24 is lived with hydraulic pressure
Assembly sealing is filled in, hydraulic oil is formed in the inner chamber of hydraulic cylinder 21, exports brake force.
The utility model dynamic position relation is：
Parking brake is put down, to parking chamber air inlet, piston assembly compression parking spring 6, push rod assembly 16 back moves, ram seat
24 open with hydraulic piston seal emaciated face, and brake fluid returns to oil storage cup by the apertures of φ 3, and push rod assembly 16 resets.
Step on service brake promotes push rod assembly 16 to move forward to driving chamber air inlet, leather cup 14, and push rod heads on ram seat 24 and seals hydraulic pressure
Piston assembly, hydraulic oil is formed in the inner chamber of hydraulic cylinder 21.
When unclamping service brake, in the presence of return spring 17, the apertures of φ 3 open wide, and brake fluid returns to oil storage by the apertures of φ 3
Cup, push rod assembly 16 reset.
Pull on parking brake and stop air inlet, in the presence of parking spring 6, push rod assembly 16 heads on ram seat 24 and seals hydraulic pressure work
Assembly is filled in, hydraulic oil is formed in the inner chamber of hydraulic cylinder 21.
The utility model is exemplarily described above in conjunction with accompanying drawing, it is clear that the utility model specific implementation not by
The limitation of aforesaid way, as long as employing changing for the various unsubstantialities that methodology and technical scheme of the present utility model are carried out
Enter, or it is not improved by it is of the present utility model design and technical scheme directly apply to other occasions, in the utility model
Protection domain within.
Claims (10)
1. a kind of row parking braking combined supercharging device, including connection cap assembly (15) and driving cavity shell assembly (19) are enclosed and formed
Driving chamber；The hydraulic cavities that hydraulic cylinder (21) and end cap assembly (28) enclose；Described driving chamber, hydraulic cavities are led to respectively
Cross driving cavity shell assembly (19) and end cap assembly (28) is fastenedly connected；
Leather cup (14), push rod assembly (16) and return spring (17) are provided with described driving chamber；It is provided with described hydraulic cavities
Ram seat (24), hydraulic piston assembly bushing (23)；
It is characterized in that：
Described combined supercharging device is additionally provided with parking chamber, and described parking chamber is separated by connecting cap assembly (15) with driving chamber.
2. according to the row parking braking combined supercharging device described in claim 1, it is characterised in that：Described parking chamber is by parking chamber
Cylinder assembly (5) is enclosed with being connected cap assembly (15) and formed, and parking piston assembly (10) is set in described parking chamber, described
Parking piston assembly (10) be connected by piston rod with push rod assembly (16).
3. according to the row parking braking combined supercharging device described in claim 2, it is characterised in that：Described parking chamber, which is additionally provided with, stays
Car spring (6), described parking spring (6) one end fore-set parking chamber cylinder assembly (5), the other end withstand parking piston assembly
(10) so that parking piston assembly (10) is moved to driving chamber.
4. according to the row parking braking combined supercharging device described in claim 2, it is characterised in that：Described parking piston assembly
(10) on outside piston face, piston guide set (8) is set.
5. according to the row parking braking combined supercharging device described in claim 2, it is characterised in that：Described parking piston assembly
(10) on outside piston face, y-type seal ring (9) is set.
6. according to the row parking braking combined supercharging device described in claim 1, it is characterised in that：On described hydraulic cylinder (21)
Oil storage cup assembly (20) is additionally provided with, the oil pocket of described oil storage cup assembly (20) passes through oilhole and the direction row of described hydraulic cavities
The oil pocket connection of car chamber.
7. according to the row parking braking combined supercharging device described in claim 1, it is characterised in that：The combined supercharging device is provided with row
Tracheae (11), described blast pipe (11) connect parking chamber with driving chamber.
8. according to the row parking braking combined supercharging device described in claim 1, it is characterised in that：Described driving cavity shell assembly
(19) with being connected the connection outer rim of cap assembly (15), using clip (18) clamping of two semicircles, and locked clip device bolt is passed through
(29) two clips (18) are locked with locked clip device nut (30).
9. according to the row parking braking combined supercharging device described in claim 1, it is characterised in that：Described hydraulic cylinder (21)
The highest point of outer end, bleed screw (22) is set.
10. according to the row parking braking combined supercharging device described in claim 2, it is characterised in that：Described parking piston assembly
(10) end coordinated with being connected cap assembly (15), sets sealing plug (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621442335.XU CN206812985U (en) | 2016-12-27 | 2016-12-27 | A kind of row parking braking combined supercharging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621442335.XU CN206812985U (en) | 2016-12-27 | 2016-12-27 | A kind of row parking braking combined supercharging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206812985U true CN206812985U (en) | 2017-12-29 |
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ID=60750020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621442335.XU Active CN206812985U (en) | 2016-12-27 | 2016-12-27 | A kind of row parking braking combined supercharging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206812985U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106740776A (en) * | 2016-12-27 | 2017-05-31 | 芜湖盛力科技股份有限公司 | A kind of row parking braking combined supercharging device |
-
2016
- 2016-12-27 CN CN201621442335.XU patent/CN206812985U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106740776A (en) * | 2016-12-27 | 2017-05-31 | 芜湖盛力科技股份有限公司 | A kind of row parking braking combined supercharging device |
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