CN208774751U - A kind of electric cylinders structure of integrated electrical control braking force aid system - Google Patents
A kind of electric cylinders structure of integrated electrical control braking force aid system Download PDFInfo
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- CN208774751U CN208774751U CN201821142279.7U CN201821142279U CN208774751U CN 208774751 U CN208774751 U CN 208774751U CN 201821142279 U CN201821142279 U CN 201821142279U CN 208774751 U CN208774751 U CN 208774751U
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- cylinder body
- piston
- electrical control
- electric cylinders
- braking force
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Abstract
The utility model relates to a kind of electric cylinders structures of integrated electrical control braking force aid system, including cylinder body and piston, the cylinder body it is closed at one end, open at one end and open end is inserted with piston, position in the middle part of the inner sidewall of the cylinder body close to pistons end is equipped with the primary cup being in contact with piston side wall, secondary leather cup has been mounted side by side in the side of the primary cup towards cylinder body open end, it is provided with fluid hole on the cylinder side wall of the primary cup other side, is provided with fluid infusion hole on the cylinder side wall between the primary cup and secondary leather cup.The utility model structure is simple, compact, and sealing effect is good, and fluid infusion is unobstructed, also has leakage collecting function, long service life.
Description
Technical field
The utility model relates to automobile brake force aid system fields, more particularly to a kind of integrated electrical control braking power-assisted system
The electric cylinders structure of system.
Background technique
Early stage brake boost uses vacuum booster, occupies in terms of braking system for quite a long time, but because
The electronic degree of vacuum servo is not high, poor controllability, for automatic Pilot and subsequent intelligent driving, vacuum booster
It is not able to satisfy growth requirement instantly.Brush DC power-assisted cell life is long, response is fast, and controllability is good, is used as power-assisted unit,
It is to compare the power-assisted research topic in forward position in recent years to be widely studied as braking system of new generation as key components and parts,
And occurs a collection of braking system using power-assisted unit as power-assisted driving unit in the market.
But because of the reason of output power and structure arrangement etc., itself the space occupied of power-assisted unit is larger, adds simultaneously
The space of deceleration mechanism and switching mechanism increases braking system volume itself.
Electric cylinders structure is a critically important component in force aid system for braking, and main function is connected with deceleration mechanism
And brake fluid is exported, realize power-assisted, electric cylinders structure is mostly huger structure in present force aid system for braking, and is braked
Also completely slowly, also efficiency is relatively low for the supplement of brake fluid for the output of liquid.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of electric cylinders knots of integrated electrical control braking force aid system
Structure, structure is simple, compact, and sealing effect is good, and fluid infusion is unobstructed, also has leakage collecting function, long service life.
The technical scheme adopted by the utility model to solve the technical problem is as follows: providing a kind of integrated electrical control braking power-assisted
The electric cylinders structure of system, including cylinder body and piston, the cylinder body it is closed at one end, open at one end and open end is inserted with work
The inner sidewall middle part of plug, the cylinder body is equipped with the primary cup being in contact with piston side wall, institute close to the position of pistons end
The side of the primary cup stated towards cylinder body open end has been mounted side by side secondary leather cup, on the cylinder side wall of the primary cup other side
It is provided with fluid hole, is provided with fluid infusion hole on the cylinder side wall between the primary cup and secondary leather cup.
As a kind of supplement to technical solution described in the utility model, on the open end inner sidewall of the cylinder body around
Circumference have several axial anti-rotation grooves, the end edge of the piston is disposed with the anti-rotation to match with axial anti-rotation groove
Groove, inserted with stop pin between corresponding axial direction anti-rotation groove and anti-rotation groove.
Further, liquid leakage tank, the leakage are axially disposed on the downside inner sidewall of the open end of the cylinder body
Liquid-leaking nozzle is provided in slot.
Further, the piston is also closed at one end, and structure open at one end, closed end inner sidewall is centrally arranged
There is the connecting hole for connecting ball-screw.
Further, the fluid hole and fluid infusion hole have several and on the lateral walls that are arranged on the upside of cylinder body.
Further, the piston is disposed with several around even circumferential on one end outside side wall in fluid infusion hole
The fluid infusion slot being connected with end face.
The utility model has the advantages that structure is simple the utility model relates to a kind of electric cylinders structure of integrated electrical control braking force aid system,
Compact facilitates installation, and sealing effect is good, has individual electrolyte replenishing structure, and fluid infusion is unobstructed, also has leakage collecting function,
Long service life.
Detailed description of the invention
Fig. 1 is the half-sectional structure chart of main view of the utility model；
Fig. 2 is the three-dimensional structure diagram of cylinder body described in the utility model；
Fig. 3 is the three-dimensional structure diagram of piston described in the utility model.
Diagram: 1, cylinder body；2, piston；3, stop pin；4, connecting hole；5, primary cup；6, secondary leather cup；7, liquid-leaking nozzle；8, it leaks
Liquid bath；9, fluid hole；10, fluid infusion hole；11, anti-rotation groove；12, fluid infusion slot；13, axial anti-rotation groove.
Specific embodiment
The present invention will be further illustrated below in conjunction with specific embodiments.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, in the content for having read the utility model instruction
Later, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms equally fall within this Shen
It please the appended claims limited range.
As shown in Figure 1-3, the embodiments of the present invention is related to a kind of electric cylinders of integrated electrical control braking force aid system
Structure, including cylinder body 1 and piston 2, the cylinder body 1 it is closed at one end, open at one end and open end is described inserted with piston 2
Cylinder body 1 inner sidewall in the middle part of close to the position of 2 end of piston the primary cup 5 being in contact with 2 side wall of piston is installed, it is described
Secondary leather cup 6,1 side wall of cylinder body of 5 other side of primary cup has been mounted side by side in the side of primary cup 5 towards 1 open end of cylinder body
On be provided with fluid hole 9, be provided with fluid infusion hole 10 on 1 side wall of cylinder body between the primary cup 5 and secondary leather cup 6.
There are several axial anti-rotation grooves 13, the work around circumference on the open end inner sidewall of the cylinder body 1
The end edge of plug 2 is disposed with the anti-rotation groove 11 to match with axial anti-rotation groove 13, corresponding axial direction anti-rotation groove 13 and anti-rotation
Inserted with stop pin 3 between groove 11.
It is axially disposed with liquid leakage tank 8 on the downside inner sidewall of the open end of the cylinder body 1, is opened in the liquid leakage tank 8
There is liquid-leaking nozzle 7.
The piston 2 is also structure closed at one end, open at one end, and closed end inner sidewall has been centrally arranged for connecting
Connect the connecting hole 4 of ball-screw.
The fluid hole 9 and fluid infusion hole 10 has several and is arranged on the lateral wall of 1 upside of cylinder body.
The piston 2 is disposed with several and end face around even circumferential on one end outside side wall in fluid infusion hole 10
The fluid infusion slot 12 being connected.
As the embodiments of the present invention:
Piston 2 moves back and forth in cylinder body 1, completes the movement of pressurization decompression；When highly pressurised liquid exports, using primary cup 5
It is sealed, and exports highly pressurised liquid by multiple fluid holes 9；In the case of normal pressure, it is sealed using secondary leather cup 6；Primary cup 5
Multiple fluid infusion holes 10 are disposed between secondary leather cup 6, for supplementing brake fluid in cylinder body 1.
Particularly, when piston 2 moves reciprocatingly in brake fluid, a part of liquid can be carried by secondary leather cup 6, for a long time
In the case where work, liquid gradually increases, and can be converged, and flow out piston through liquid-leaking nozzle 7 by liquid leakage tank 8, prevent from influencing
The normal work of other component such as ball screw assembly, etc..
The anti-rotation groove 11 on axial anti-rotation groove 13 and piston on cylinder body cooperates, and forms circular whole slot, above-mentioned
3 insertion groove of stop pin in, move axially piston 2 can only in piston 2, and be unable to axial-rotation.
Multiple uniformly distributed fluid infusion slots 12 are provided in 2 end of piston, in 2 Recovery Process of piston or after oil liquid consumption, by this
Fluid infusion slot 12 carries out fluid infusion；Particularly, 2 end of piston is provided with connecting hole 4, is attached with ball-screw.
The utility model structure is simple, compact, facilitates installation, and sealing effect is good, has individual electrolyte replenishing structure, mends
Liquid is unobstructed, also has leakage collecting function, long service life.
Claims (6)
1. a kind of electric cylinders structure of integrated electrical control braking force aid system, including cylinder body (1) and piston (2), which is characterized in that institute
The cylinder body (1) stated it is closed at one end, open at one end and open end is inserted with piston (2), in the middle part of the inner sidewall of the cylinder body (1)
Position close to piston (2) end is equipped with the primary cup (5) being in contact with piston (2) side wall, the primary cup (5) direction
The side of cylinder body (1) open end has been mounted side by side secondary leather cup (6), opens on cylinder body (1) side wall of the primary cup (5) other side
Have fluid hole (9), is provided with fluid infusion hole (10) on cylinder body (1) side wall between the primary cup (5) and secondary leather cup (6).
2. the electric cylinders structure of integrated electrical control braking force aid system according to claim 1, it is characterised in that: the cylinder
There are several axial anti-rotation grooves (13), the end edge of the piston (2) around circumference on the open end inner sidewall of body (1)
Edge is disposed with the anti-rotation groove (11) to match with axial anti-rotation groove (13), corresponding axial direction anti-rotation groove (13) and anti-rotation groove
(11) inserted with stop pin (3) between.
3. the electric cylinders structure of integrated electrical control braking force aid system according to claim 1, it is characterised in that: the cylinder
It is axially disposed on the downside inner sidewall of the open end of body (1) liquid leakage tank (8), the liquid leakage tank is provided with liquid-leaking nozzle in (8)
(7)。
4. the electric cylinders structure of integrated electrical control braking force aid system according to claim 1, it is characterised in that: the work
Filling in (2) is also structure closed at one end, open at one end, and closed end inner sidewall is centrally arranged the company for connecting ball-screw
Connect hole (4).
5. the electric cylinders structure of integrated electrical control braking force aid system according to claim 1, it is characterised in that: described goes out
Fluid apertures (9) and fluid infusion hole (10) have several and on the lateral walls that are arranged on the upside of cylinder body (1).
6. the electric cylinders structure of integrated electrical control braking force aid system according to claim 1 or 4, it is characterised in that: described
Piston (2) around even circumferential be disposed with what several were connected with end face on one end outside side wall of fluid infusion hole (10)
Fluid infusion slot (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821142279.7U CN208774751U (en) | 2018-07-19 | 2018-07-19 | A kind of electric cylinders structure of integrated electrical control braking force aid system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821142279.7U CN208774751U (en) | 2018-07-19 | 2018-07-19 | A kind of electric cylinders structure of integrated electrical control braking force aid system |
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| Publication Number | Publication Date |
|---|---|
| CN208774751U true CN208774751U (en) | 2019-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821142279.7U Active CN208774751U (en) | 2018-07-19 | 2018-07-19 | A kind of electric cylinders structure of integrated electrical control braking force aid system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108749802A (en) * | 2018-07-19 | 2018-11-06 | 宁波拓普智能刹车系统有限公司 | A kind of electric cylinders structure of integrated electrical control braking force aid system |
-
2018
- 2018-07-19 CN CN201821142279.7U patent/CN208774751U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108749802A (en) * | 2018-07-19 | 2018-11-06 | 宁波拓普智能刹车系统有限公司 | A kind of electric cylinders structure of integrated electrical control braking force aid system |
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