CN102410322A - Spin-riveting-type spring brake chamber, brake system adopting same and vehicle - Google Patents
Spin-riveting-type spring brake chamber, brake system adopting same and vehicle Download PDFInfo
- Publication number
- CN102410322A CN102410322A CN2011102970954A CN201110297095A CN102410322A CN 102410322 A CN102410322 A CN 102410322A CN 2011102970954 A CN2011102970954 A CN 2011102970954A CN 201110297095 A CN201110297095 A CN 201110297095A CN 102410322 A CN102410322 A CN 102410322A
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- Prior art keywords
- cylinder body
- opening end
- middle shell
- groove
- brake chamber
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- 229910000861 Mg alloy Inorganic materials 0.000 claims abstract description 9
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000956 alloy Substances 0.000 claims description 6
- 230000004323 axial length Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 abstract description 2
- 238000004146 energy storage Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000004080 punching Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000037396 body weight Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Abstract
The invention discloses a spin-riveting-type spring brake chamber, a brake system adopting the same and a vehicle. The pin-riveting-type spring brake chamber is characterized in that a cylinder body is made by stretching and precisely cutting an aluminum magnesium alloy plate for a plurality of times, the surface quality of the cylinder body is good, the dimensional precision is high, and the contact surface at the joint between the cylinder body and a middle shell is large; and the cylinder body is assembled and riveted tightly through two cylindrical pins so that the cylinder body and the middle shell do not rotate relative to each other so as to ensure a firm connection.
Description
Technical field
The invention belongs to the Motor Vehicle brake chamber, relate in particular to use in a kind of motorbus revolve riveting formula spring braking air chamber.
Background technique
The cylinder body of the disc spring brake chamber (being commonly called as pressure kettle) that uses in the motorbus at present all is to adopt steel plate to be stamped to form; As shown in Figure 1; Being connected of wherein drawn-steel cylinder body 1 and middle shell 2, the cylinder body 1 of disc spring brake chamber all is to adopt steel plate to be stamped to form.Its shortcoming is to produce distortion after the cylinder body punching press, causes size error bigger, and cylinder body and middle shell surface of contact are little; Connect insecure; Receive influence of vibration in going and come off, disintegrate, cause security incident, therefore improve the target that the pressure kettle air chamber structure has become many auto parts and components MANUFACTURER to pursue; Chinese patent notification number CN2566013Y; Disclose a kind of diaphragm type spring brake chamber, it uses cylinder block material to be generally steel plate, and has shortcomings such as punching press distortion, size error are big, bad connection equally.
The present invention provides a kind of and revolves riveting formula spring braking air chamber by what the aluminum-magnesium alloy cylinder body constituted; This riveting formula spring braking air chamber that revolves had both solved the connection part that causes because of the cylinder body punching press error disintegration problem that gets loose; Alleviated weight again; Reduced the dynamic load of vehicle, argenteous cylinder body makes the richer aesthetic feeling of air chamber outward appearance simultaneously, and this is the optimal configuration of high-grade bus.
Summary of the invention
The purpose of this invention is to provide and revolve riveting formula spring braking air chamber, its cylinder surface quality is good, and dimensional accuracy is high, and is bigger with middle shell connection part surface of contact; Further can also solve the heat radiation and the light-weighted problem of brake chamber; A kind of seal ring further also is provided, can has better realized being sealed and matched.
Revolve riveting formula spring braking air chamber; The outer circumferential face of the opening end of cylinder body has the multistage tooth along the circumferential direction; The opening end of middle shell has toroidal cavity; Have on the inner peripheral surface of the outer side wall of said groove with cylinder body on the corresponding tooth of tooth, tooth on the cylinder body cooperate with tooth middle shell, the opening end of cylinder body is sealed and matched through seal ring and said groove.
Preferably, stay-bolt has two sections different pitch.
Preferably, cylinder body is processed by aluminum-magnesium alloy material, and the hop count of said multistage tooth is 12 sections.Preferably, cylinder body and middle shell are through the pin riveted joint.
Preferably, said bottom portion of groove also has another groove, is used to hold the excircle part of seal ring.
Preferably, said seal ring is a fixing ring, and its section configuration is 8 fonts.
Preferably, along middle shell radially, the both sides of said groove are respectively madial wall and outer side wall, and the axial length of outer side wall is longer than madial wall axial length.
Preferably, the thickness of said outer side wall is than the thicker of madial wall.
Preferably, 8 font intermediate recess parts of the opening end crush seal circle of cylinder body, the inner circumferential portion contact madial wall of seal ring, excircle partly is arranged in another groove.
Preferably, the external diameter of said outer side wall is greater than the external diameter of cylinder body opening end, and the internal diameter of cylinder body opening end is greater than the external diameter of said madial wall, and the cylinder body opening end is arranged in said groove.
Preferably, the tooth of cylinder body opening end is protruding along the cylinder body radially outward, and the tooth of middle shell is along middle shell inwardly protruding radially.
Preferably, the side of said tooth is a sphenoid surface, and the sphenoid surface of the sphenoid surface of the tooth of cylinder body and the tooth of middle shell cooperates.
The present invention also comprises the above-mentioned arbitrary braking system of revolving riveting formula spring braking air chamber of the present invention of employing.
The present invention also comprises the vehicle with braking system, and this braking system adopts above-mentioned arbitrary riveting formula spring braking air chamber that revolves of the present invention.
The present invention has following beneficial technical effects:
1, cylinder body adopts aluminum-magnesium alloy sheet material, and warp repeatedly stretches and precision cutting processes, and the cylinder surface quality is good; Dimensional accuracy is high, and is bigger with middle shell connection part surface of contact, rivets tightly with two straight pins in the assembling back; Make between cylinder body and the middle shell can not produce relative rotation, connect very firm.
2, stay-bolt adopts two kinds of different pitch, can guarantee that there are enough working strokes in the Parking chamber, can reduce the pull bar protruded length again, solves on a lot of automobiles because of the not enough difficult problem that the stay-bolt interference occurs of installing space.
3, the cylinder body of aluminum-magnesium alloy material is handled through hard anodized, has advantages such as wear-resisting, corrosion-resistant, that the life-span is long.
4, the thermal conductivity of aluminum-magnesium alloy material is good, can take away the heat that produces when brake chamber is worked sooner, helps prolonging the working life of rubber seal.
5, the cylinder body weight saving of making of the cylinder body of aluminum-magnesium alloy material than conventional steel plate more than one times, the weight of brake chamber assembly is also corresponding to be alleviated, the dynamic load of automobile also reduces thereupon, this all is beneficial to fuel-economizing, environmental protection and the smoothness etc. that improves automobile.
Description of drawings
Fig. 1 is the existing technology structural representation;
Fig. 2 is that riveting formula spring braking air chamber structure schematic representation is revolved in the present invention;
Fig. 3 is that riveting formula spring braking air chamber cylinder body and middle shell partial enlarged drawing are revolved in the present invention.
Embodiment
Being connected of the cylinder body 1 of existing technology light plate as shown in Figure 1 punching press and middle shell 2; The cylinder body 1 of disc spring brake chamber all is to adopt steel plate to be stamped to form, and its shortcoming is to produce distortion after the cylinder body punching press, causes size error bigger; Cylinder body and middle shell surface of contact are little; Connect insecurely, receive influence of vibration in going and come off, disintegrate, cause security incident.
As shown in Figure 2; Riveting formula spring braking air chamber structure is revolved in the present invention, mainly by straight pin 1, clip bolt 2, clip 3, nut 4, stay-bolt 5, cylinder body 6, y-shaped ring 7, brake spring 8, energy storage piston 9, one-way valve 10, middle shell 11, diaphragm 12, front cover 13, return spring 14, push-plate assembly 15, dirt-proof boot 16, O shape circle 17, special-shaped seal ring 18, valve spring 19, valve seat 20, groove 21; Compositions such as A driving chamber, B Parking chamber, C spring chamber, D piston nose aperture, E spiracle.
As shown in Figure 3, cylinder body 6 is processed by aluminum-magnesium alloy material, and it has the opening end that is connected with middle shell 11; Be provided with the multistage tooth along opening end excircle direction, be preferably 12 sections teeth, flank of tooth size is through well-designed and processing; Middle shell 11 opening ends have toroidal cavity 21; The opening end groove 21 of middle shell 11 forms madial wall and outer side wall respectively along the inboard and the outside radially, and outer side wall is longer than the length of madial wall, and outer side wall is than the thickness thicker of madial wall; Madial wall is a straight line shape; The inner peripheral surface of groove 21 outer side walls of middle shell 11 be provided with cylinder body 6 on the multistage tooth match to the protruding tooth of radially inner side, the side of tooth cooperatively interacts on the side of the tooth on the cylinder body 6 and the middle shell 11, and the side of tooth is a sphenoid surface; The opening end of cylinder body 6 cooperates with middle shell 11 bottom portion of groove through seal ring 18 simultaneously; Seal ring 18 is between the open end and middle shell 11 bottom portion of groove of cylinder body 6; The bottom of groove 21 also has another little groove; Be used to hold the excircle part of O-ring seal 18, the position of fixed seal ring 18, thus realize fixing seal.
As shown in Figure 3, seal ring 18 is preferably fixing ring, and section is 8 fonts; 8 word section intermediate recess parts of the opening end Contact Seal ring of cylinder body 6; Crush seal circle 18, the inner circumferential portion contact madial wall of seal ring 18, excircle partly is arranged in another little groove; Cooperate closely, realize better stressed and sealing.
Stay-bolt 5 is provided with two sections different pitch, can guarantee that Parking chamber B has enough strokes, can guarantee that again the pull bar protruded length is shorter more than three times than similar air chamber.
It is identical with piston type spring braking air chamber to revolve riveting formula spring braking air chamber working principle.
When vehicle is removed parking braking; Pressurized air gets into the Parking chamber through 12 mouthfuls; Promote to move behind the energy storage piston 9 compression brake springs 8, the unnecessary gas of spring chamber C is through spiracle E, the aperture D through one-way cock, energy storage piston nose, 11 mouthfuls and relay valve relief opening entering atmosphere.
During driving, energy storage piston 9 is compressed and puts in place, energy storage piston nose aperture D sealing, and during service brake, the gas of driving chamber A can not scurried into spring chamber.
When carrying out parking braking, the Parking chamber forms extraction pump, and compensation gas gets into spring chamber C by 11 mouthfuls on service brake pipeline warp, energy storage piston nose aperture D, one-way cock and spiracle E, guarantees energy storage piston proper functioning.
All be in normally open under the one-way cock normal condition, have only when O shape circle damages or Emergency braking occurs and just close driving chamber and Parking chamber passage, play safety effect.
Described herein is exemplary preferred embodiment of the present invention; And the preferred embodiments of the present invention of having used concrete term description; But this description only is used for the example purpose, and it only is example that those skilled in the art should be noted that disclosed by the invention, and is to be understood that; Can make various changes and variation, and not break away from the protection domain of claim of the present invention.
It will be apparent to those skilled in the art that the combination in any that riveting formula spring braking air chamber structure comprises each several part in this specification of revolving of the present invention.As space is limited and in order to be to make specification simple and clear, these combinations not to be introduced one by one in detail at this, but after having seen this specification, the scope of the present invention that the combination in any of the each several part that is made up of this specification constitutes is self-evident.
Claims (10)
1. revolve riveting formula spring braking air chamber; Have cylinder body and middle shell; It is characterized in that: the outer circumferential face of the opening end of cylinder body has the multistage tooth along the circumferential direction, the opening end of middle shell has toroidal cavity, have on the inner peripheral surface of the outer side wall of said groove with cylinder body on the corresponding tooth of tooth; Tooth on the cylinder body cooperate with tooth middle shell, the opening end of cylinder body is sealed and matched through seal ring and said groove.
2. brake chamber as claimed in claim 1 is characterized in that: stay-bolt has two sections different pitch.
3. according to claim 1 or claim 2 brake chamber, it is characterized in that: cylinder body is processed by aluminum-magnesium alloy material, and the hop count of said multistage tooth is 12 sections.
4. brake chamber as claimed in claim 1 is characterized in that: cylinder body and middle shell are through the pin riveted joint.
5. like claim 1,2 or 4 described brake chambers, it is characterized in that: said bottom portion of groove also has another groove, is used to hold the excircle part of seal ring.
6. like claim 1 or 5 described brake chambers, it is characterized in that: said seal ring is a fixing ring, and its section configuration is 8 fonts.
7. brake chamber as claimed in claim 6 is characterized in that: along middle shell radially, the both sides of said groove are respectively madial wall and outer side wall, and the axial length of outer side wall is longer than madial wall axial length.
8. brake chamber as claimed in claim 7 is characterized in that: the thickness of said outer side wall is than the thicker of madial wall.
9. brake chamber as claimed in claim 7 is characterized in that: 8 font intermediate recess parts of the opening end crush seal circle of cylinder body, and the inner circumferential portion contact madial wall of seal ring, the excircle of seal ring partly is arranged in another groove.
10. brake chamber as claimed in claim 6 is characterized in that: the external diameter of said outer side wall is greater than the external diameter of cylinder body opening end, and the internal diameter of cylinder body opening end is greater than the external diameter of said madial wall, and the cylinder body opening end is arranged in said groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110297095 CN102410322B (en) | 2011-09-30 | 2011-09-30 | Spin-riveting-type spring brake chamber, brake system adopting same and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110297095 CN102410322B (en) | 2011-09-30 | 2011-09-30 | Spin-riveting-type spring brake chamber, brake system adopting same and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102410322A true CN102410322A (en) | 2012-04-11 |
| CN102410322B CN102410322B (en) | 2013-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110297095 Active CN102410322B (en) | 2011-09-30 | 2011-09-30 | Spin-riveting-type spring brake chamber, brake system adopting same and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102410322B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015097072A1 (en) * | 2013-12-27 | 2015-07-02 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Spring brake cylinder with emergency release device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2734195A1 (en) * | 1995-05-18 | 1996-11-22 | Montupet Sa | Method for fabricating aluminium@ alloy components e.g. brake drums, disk brakes, cylinder blocks |
| DE10110843A1 (en) * | 2001-03-07 | 2002-09-12 | Knorr Bremse Systeme | Brake operating device especially for commercial motor vehicles has brake cylinder incorporating pneumatic muscle to create necessary operating, releasing or holding force |
| WO2008027019A1 (en) * | 2006-08-29 | 2008-03-06 | Arfesan Arkan Fren Elemanlari Sanayi Ve Ticaret A. S. | Dual threaded release bolt for spring brake actuators |
| CN201721443U (en) * | 2010-06-02 | 2011-01-26 | 芜湖盛力制动有限责任公司 | Automobile and engineering vehicle spring braking air chamber |
| CN202280767U (en) * | 2011-09-30 | 2012-06-20 | 瑞立集团瑞安汽车零部件有限公司 | Spin riveting type spring braking air chamber as well as braking system and vehicle with same |
-
2011
- 2011-09-30 CN CN 201110297095 patent/CN102410322B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2734195A1 (en) * | 1995-05-18 | 1996-11-22 | Montupet Sa | Method for fabricating aluminium@ alloy components e.g. brake drums, disk brakes, cylinder blocks |
| DE10110843A1 (en) * | 2001-03-07 | 2002-09-12 | Knorr Bremse Systeme | Brake operating device especially for commercial motor vehicles has brake cylinder incorporating pneumatic muscle to create necessary operating, releasing or holding force |
| WO2008027019A1 (en) * | 2006-08-29 | 2008-03-06 | Arfesan Arkan Fren Elemanlari Sanayi Ve Ticaret A. S. | Dual threaded release bolt for spring brake actuators |
| CN201721443U (en) * | 2010-06-02 | 2011-01-26 | 芜湖盛力制动有限责任公司 | Automobile and engineering vehicle spring braking air chamber |
| CN202280767U (en) * | 2011-09-30 | 2012-06-20 | 瑞立集团瑞安汽车零部件有限公司 | Spin riveting type spring braking air chamber as well as braking system and vehicle with same |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015097072A1 (en) * | 2013-12-27 | 2015-07-02 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Spring brake cylinder with emergency release device |
| CN105980225A (en) * | 2013-12-27 | 2016-09-28 | 克诺尔商用车制动***有限公司 | Spring brake cylinder with emergency release device |
| JP2017503703A (en) * | 2013-12-27 | 2017-02-02 | クノル−ブレムゼ ジステーメ フューア ヌッツファールツォイゲ ゲゼルシャフト ミット ベシュレンクテル ハフツングＫｎｏｒｒ−Ｂｒｅｍｓｅ Ｓｙｓｔｅｍｅ ｆｕｅｒ Ｎｕｔｚｆａｈｒｚｅｕｇｅ ＧｍｂＨ | Spring-type accumulator brake cylinder with emergency release device |
| RU2636829C1 (en) * | 2013-12-27 | 2017-11-28 | Кнорр-Бремзе Зюстеме Фюр Нутцфарцойге Гмбх | Brake cylinder with spring brake with emergency releasing brake device |
| US9988034B2 (en) | 2013-12-27 | 2018-06-05 | Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh | Spring brake cylinder with emergency release device |
| CN105980225B (en) * | 2013-12-27 | 2019-08-20 | 克诺尔商用车制动***有限公司 | Spring-loaded brake cylinder with emergency release device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102410322B (en) | 2013-07-10 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Rivet type spring brake chamber and braking system and vehicle using this type of brake chamber Granted publication date: 20130710 Pledgee: China Minsheng Banking Corp Wenzhou branch Pledgor: RUILI GROUP RUIAN AUTO PARTS Co.,Ltd. Registration number: Y2024980012628 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |