CN108860109A - Automobile brake cylinder - Google Patents
Automobile brake cylinder Download PDFInfo
- Publication number
- CN108860109A CN108860109A CN201810599411.5A CN201810599411A CN108860109A CN 108860109 A CN108860109 A CN 108860109A CN 201810599411 A CN201810599411 A CN 201810599411A CN 108860109 A CN108860109 A CN 108860109A
- Authority
- CN
- China
- Prior art keywords
- brake cylinder
- automobile brake
- end cap
- middle shell
- sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/24—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
- B60T13/26—Compressed-air systems
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Diaphragms And Bellows (AREA)
Abstract
The invention discloses a kind of automobile brake cylinders, it include end cap, middle shell and diaphragm, the diaphragm includes film bottom and film side wall, and the upper end of film side wall, which extends outwardly, is connected with lip, the lip is pressed between end cap and middle shell, and end cap and middle shell are by clip banding；The lip lower end is set as the arc binding face of indent, ecto-entad is successively arranged first of seal line and second line of seal on arc binding face, the port of the middle shell is equipped with the curved flanges to match with the arc binding face, and curved flanges are equipped with the groove to match with first of seal line.Structure of the invention reasonably stability, quick, favorable sealing property easy to assembly.
Description
Technical field
The present invention relates to a kind of improvement of automobile braking mechanism invention more particularly to a kind of improvement of automobile brake cylinder hairs
It is bright.
Background technique
Automobile brake cylinder is made of end cap, clip, diaphragm and middle shell, and traditional diaphragm sealing surface mainly passes through middle shell
Diaphragm is squeezed by force between end cap to be sealed, be easily damaged diaphragm influence sealing performance, and conventional film piece assembly mainly by
Diaphragm is contacted with middle housing sidewall and is limited, and is carried out by the way that employee is hand steered to just and end cap lid is located on middle shell and presses
When tight diaphragm, end cap is also to carry out by the way that employee is hand steered to just, however easily lead to and weigh wounded when the hand steered operation error of employee, and be easy
Assembly efficiency is low, and deviation is big, influences the quality and service life of product.
The working principle of automobile brake cylinder, when compressed air enter driving it is intracavitary, due to the effect of air pressure, diaphragm
Push-plate can be moved to external spreading belt toward being pushed forward, diaphragm lip position forms the pulling force inwardly drawn at this time, when intracavitary compression of driving a vehicle
After air discharges, diaphragm can due to the effect of return spring return, the above are a complete circulation actions.Work as low-pressure air
Into enter driving it is intracavitary when, be not in gas leakage situation since diaphragm and middle shell have interference fit；When air pressure is filled with
When high pressure air, then it then will receive biggish air pressure impact between diaphragm and middle shell.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a kind of easy to assembly, leakproofness
The good automobile brake cylinder of energy.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that realize：This kind of automobile brake cylinder,
It include end cap, middle shell and diaphragm, the diaphragm includes film bottom and film side wall, and the upper end of film side wall extends outwardly connection
There is lip, which is pressed between end cap and middle shell, it is characterised in that：The lip lower end is set as the arc patch of indent
Conjunction face, the port of the middle shell are equipped with the curved flanges to match with the arc binding face；The arc binding face it is interior
End extends downwardly protrusion along middle inner walls and forms sealing, the sealing be tightly attached under gas pressure in shell inner wall
On.
Inverted U interconnecting piece is equipped between the film side wall and lip, between the lateral surface and end cap inner wall of inverted U interconnecting piece
The guidance cooperation in assembly.
It is interference fit between the lateral surface and end cap inner wall of the inverted U interconnecting piece.
The X of the sealing inner sidewall is greater than the Y-direction stress surface of bottom to stress surface.
The inner sidewall of the sealing is arc-shaped concave.
The sealing is inverted triangular structure.
Ecto-entad is successively arranged first of seal line and second line of seal on the arc binding face of the lip, described
The curved flanges of middle shell port are equipped with the groove to match with first of seal line.
The beneficial effects of the invention are as follows improved automobile brake cylinder, the arc binding face and the arc of middle shell of diaphragm are convex
Edge is close-fitting, and two components compactness are preferable in assembling process；Increase two seals line simultaneously, makes the gas of diaphragm Yu middle shell
Close property effect is more preferable, and increases stability of the diaphragm in middle shell；The setting of inverted U interconnecting piece on diaphragm, guarantee end cap with
Have certain guiding role in diaphragm assembling process, and increase the deformation quantity of diaphragm, guarantees that power output is steady, increases row
Journey；The setting of sealing on diaphragm, guarantee sealing be tightly attached under gas pressure in shell inner wall on, be diaphragm lip with
One of air pressure defence line is formed between middle shell port.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the portion the A enlarged drawing of Fig. 1 of the present invention.
Specific embodiment
Attached drawing illustrates structure of the invention, further illustrates it in relation to details in conjunction with attached drawing below.The automobile brake
Cylinder, includes end cap 1, middle shell 2 and diaphragm 3, and the diaphragm 3 includes film bottom 31 and film side wall 32, film side wall 32 it is upper
End, which extends outwardly, is connected with lip 33, which is pressed between end cap 1 and middle shell 2, and end cap 1 and middle shell 2 are by clip 4
Banding；33 lower end of lip is set as the arc binding face 34 of indent, and ecto-entad is successively arranged on arc binding face 34
One of seal line 35 and second line of seal 36, the port of the middle shell 2 is equipped with to match with the arc binding face 34
Curved flanges 21, curved flanges 21 are equipped with the groove 22 to match with first of seal line 35.
The inner end of the arc binding face 34 extends downwardly protrusion along middle 2 inner wall of shell and forms sealing 5, the sealing
5 be tightly attached under gas pressure in shell 2 inner wall on, i.e., air pressure that the position that sealing 5 is exposed in air pressure is born is made
Firmly in the power of 2 inner wall of shell be greater than be detached from 2 inner wall of shell power, and air pressure is bigger, and sealing 5 is in middle shell 2
Adhesive force on wall is bigger；The X of 5 inner sidewall 51 of sealing is greater than the Y-direction stress surface of bottom 52 to stress surface, so that
Sealing 5 is tightly attached to middle 2 inner wall of shell, and 5 bottom 52 of sealing will not be started by air pressure, and specific sealing 5 can be for
Triangular structure makes bottom that tip be kept to reduce stress；The inner sidewall 51 of the sealing 5 is arc-shaped concave, increases inner sidewall
Forced area, increase 2 inner wall of shell in of sealing 5 gas pressure power, enhance sealing effect.
Inverted U interconnecting piece 6, the lateral surface and end cap 1 of inverted U interconnecting piece 6 are equipped between the film side wall 32 and lip 33
In assembly, guidance cooperates between inner wall, is interference fit between 1 inner wall of lateral surface and end cap of the inverted U interconnecting piece 6, makes
Assembling process has certain guiding performance, and increases the deformation quantity of diaphragm 3, guarantees that power output is steady, increases stroke.
When work, when diaphragm 3 is put into middle 2 rigging position of shell naturally, the arc binding face 34 of diaphragm 3 can be with middle shell
2 curved flanges, 21 position nature correcting guarantees that diaphragm 3 and middle shell 2 are concentric, is not in unilateral case；And diaphragm 3 and end cap
When 1 assembly, the inverted U interconnecting piece 6 of end cap 1 plays guiding function to end cap 1, can be closed on middle shell 2 with zero deflection lid, so
End cap 1, diaphragm 3, the extruding of middle shell 2 are assembled to together, middle shell 2 and end cap by rear end cap 1 under the action of by hydraulic press pressure
1 by 4 banding of clip, after first of seal line 35 is compacted in middle 2 groove 22 of shell, guarantees that diaphragm 3 will not in use
It answers pulling force effect and pulls out, have stronger connection, while there is sealing effect at this；When end cap 1, diaphragm 3, middle shell 2 fill
After together, the second line of seal 36 of rubber be bonded being formed and be sealed with the curved flanges 21 of middle shell 2, and such first
Road seal line 35 and second line of seal 36 form dual-seal；And sealing 5 is fitted on middle 2 inner wall of shell, in checking cylinder
When work, the indoor high pressure of gas is acted on sealing 5, is formed so that sealing 5 is fitted tightly on middle 2 inner wall of shell from close
Envelope forms the defence line of air pressure together between 3 lip 33 of diaphragm and 2 port of middle shell.
In conclusion the above is merely preferred embodiments of the present invention, being not intended to limit the scope of the present invention.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (7)
1. automobile brake cylinder, includes end cap, middle shell and diaphragm, the diaphragm includes film bottom and film side wall, film side wall
Upper end extend outwardly and be connected with lip, which is pressed between end cap and middle shell, it is characterised in that：The lip lower end
It is set as the arc binding face of indent, the port of the middle shell is equipped with the curved flanges to match with the arc binding face；
The inner end of the arc binding face extends downwardly protrusion along middle inner walls and forms sealing, and the sealing is under gas pressure
It is tightly attached on the inner wall of shell.
2. automobile brake cylinder as described in claim 1, it is characterised in that：Inverted U is equipped between the film side wall and lip to connect
Socket part, the guidance cooperation in assembly between the lateral surface and end cap inner wall of inverted U interconnecting piece.
3. automobile brake cylinder as claimed in claim 2, it is characterised in that：In the lateral surface and end cap of the inverted U interconnecting piece
It is interference fit between wall.
4. automobile brake cylinder as described in claim 1, it is characterised in that：The X of the sealing inner sidewall is greater than to stress surface
The Y-direction stress surface of bottom.
5. automobile brake cylinder as claimed in claim 4, it is characterised in that：The inner sidewall of the sealing is arc-shaped concave.
6. automobile brake cylinder as claimed in claim 4, it is characterised in that：The sealing is inverted triangular structure.
7. automobile brake cylinder as described in claim 1, it is characterised in that：On the arc binding face of the lip ecto-entad according to
It is secondary to be equipped with first of seal line and second line of seal, the curved flanges of the middle shell port be equipped with described first it is close
The groove that envelope line matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810599411.5A CN108860109A (en) | 2018-06-12 | 2018-06-12 | Automobile brake cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810599411.5A CN108860109A (en) | 2018-06-12 | 2018-06-12 | Automobile brake cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108860109A true CN108860109A (en) | 2018-11-23 |
Family
ID=64338501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810599411.5A Pending CN108860109A (en) | 2018-06-12 | 2018-06-12 | Automobile brake cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108860109A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6526866B2 (en) * | 2001-04-09 | 2003-03-04 | Haldex Brake Corporation | Radial sealed air brake chamber |
| CN203974791U (en) * | 2014-06-25 | 2014-12-03 | 嘉兴盛鼎机械有限公司 | The full aluminium compressed air brake cylinder of a kind of lightweight |
| CN105179534A (en) * | 2015-10-21 | 2015-12-23 | 上海拜克橡胶件有限公司 | Brake air chamber rubber diaphragm |
| CN208107025U (en) * | 2018-04-25 | 2018-11-16 | 瑞立集团瑞安汽车零部件有限公司 | Brake chamber driving chamber rubber diaphragm |
-
2018
- 2018-06-12 CN CN201810599411.5A patent/CN108860109A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6526866B2 (en) * | 2001-04-09 | 2003-03-04 | Haldex Brake Corporation | Radial sealed air brake chamber |
| CN203974791U (en) * | 2014-06-25 | 2014-12-03 | 嘉兴盛鼎机械有限公司 | The full aluminium compressed air brake cylinder of a kind of lightweight |
| CN105179534A (en) * | 2015-10-21 | 2015-12-23 | 上海拜克橡胶件有限公司 | Brake air chamber rubber diaphragm |
| CN208107025U (en) * | 2018-04-25 | 2018-11-16 | 瑞立集团瑞安汽车零部件有限公司 | Brake chamber driving chamber rubber diaphragm |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181123 |