CN105715708A - Short release type spring brake cylinder - Google Patents
Short release type spring brake cylinder Download PDFInfo
- Publication number
- CN105715708A CN105715708A CN201610279020.6A CN201610279020A CN105715708A CN 105715708 A CN105715708 A CN 105715708A CN 201610279020 A CN201610279020 A CN 201610279020A CN 105715708 A CN105715708 A CN 105715708A
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- CN
- China
- Prior art keywords
- nut
- bolt
- brake
- handed
- releasing
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
- F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2125/00—Components of actuators
- F16D2125/02—Fluid-pressure mechanisms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2127/00—Auxiliary mechanisms
- F16D2127/02—Release mechanisms
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a short release type spring brake cylinder and relates to the technical field of vehicle brakes. A parking brake cavity is formed between a middle shell and a rear shell; a driving brake cavity is formed between the middle shell and a front shell; a right-handed thread is arranged on a left half section of a release brake bolt; a left-handled thread is arranged on a right half section of the release brake bolt; the right-handed thread is matched with a right-handed thread in the middle of a fixing plate; a part with the left-handled thread of the release brake bolt is located in a piston rod and is screwed with a left-handed nut; clamping sides corresponding to six corners of the outer wall of the left-handed nut are arranged on the inner wall of the piston rod; an III type O-shaped seal ring is arranged on one side of a release brake nut. Through the short release type spring brake cylinder, the problem of insufficient space caused by excessive large total length in the layout of complete vehicles in main engine factories can be solved; the layout and the assembly of the complete vehicles are facilitated.
Description
Technical field
The present invention relates to car braking technology field, be specifically related to short releasing type spring brake cylinder.
Background technology
Spring brake cylinder is the vitals in automobile brake module, it it is the device by compressing air output brake force, the total length of existing spring brake cylinder assembly is excessive, when mounted, insufficient space, producer, in the arrangement of automobile, passively adjusts complete vehicle structure, it is unfavorable for the assembling of car load, it would be highly desirable to improve.
Summary of the invention
Present invention aims to the defect of prior art and deficiency, a kind of simple in construction, short releasing type spring brake cylinder reasonable in design, easy to use are provided, solve main engine plants in the arrangement of automobile, the insufficient space problem caused because total length is excessive, is conducive to layout and the assembling of car load.
For achieving the above object, the technical solution used in the present invention is: it comprises back cover, piston, y-type seal ring, nylon guide ring, energy-stored spring, fixing plate, screw, releasing brake bolt, releases brake nut, elastic cylindrical pin, pad, piston rod, fixing nut, bolt, nut, spring washer, clip, fore shell, spring washer, attaching nut, connecting bolt, hex nut, connection fork, return spring, push rod, push-plate, diaphragm, mesochite, guide ring, O RunddichtringO, No. two O RunddichtringOs, fixing bolts；It is respectively equipped with guide ring and an O RunddichtringO in the annular groove of mesochite, in the groove outside mesochite, is provided with No. two O RunddichtringOs；The side of described push-plate is welded with push rod, and push-plate and push rod constitute push-rod assembly；The outside of described fore shell is welded with connecting bolt, and fore shell and connecting bolt constitute front shell assemblies, and connecting bolt is provided with attaching nut and spring washer；The right side of described mesochite is sequentially provided with diaphragm, push-rod assembly, return spring and front shell assemblies, and the edge of the edge of fore shell, mesochite and diaphragm is linked as one by clip, and the opening part of clip is provided with fixing bolt and fixing nut；The outer end of push rod is connected to connection fork by hexagon thin nut；Described mesochite is connected with back cover by bolt, nut and spring washer, and back cover is connected with fixing plate by screw, is provided with piston, is provided with pad in piston, and piston and piston rod interference fit are integrated in back cover, fixes and is provided with energy-stored spring between plate and piston；Y-type seal ring and nylon guide ring it is provided with between described piston and rear shell side wall；Described releasing brake bolt is connected as one by elastic cylindrical pin with releasing brake nut；Form parking braking chamber between described mesochite and back cover, between mesochite and fore shell, form service brake cavity；Described half section of the left side releasing brake bolt is provided with right-handed thread, and its right half section is provided with left hand thread；Described right-handed thread matches with the right-handed thread in the middle part of fixing plate；Described releasing brake bolt band left hand thread place is arranged in piston rod, and it is connected with left-handed nut；Described piston rod inwall is provided with the edge corresponding with left-handed nut outer wall six side；The described side releasing brake nut is provided with No. three O RunddichtringOs.
Described right-handed thread is M16*1 right-handed thread.
Described left hand thread is M16*2 left hand thread.
The job step of the present invention is as follows: after car load assembling, the releasing brake bolt part exposed will be screwed in by pneumatic spanner before automobile rolls off the production line, No. three O RunddichtringOs are pressed between releasing brake nut and back cover, the high order end of releasing brake bolt is made to drop to 34.5mm, short more than the 45mm of more conventional spring brake cylinder with the spacing of the outer wall of back cover.
For stroke for 64mm spring brake cylinder (ordinary travel), release (being now the release movement of energy-stored spring) when brake bolt screws in, the right-handed thread of right-handed thread with fixing plate by exposing M16*1 coordinates the 1/3 of screw-in total travel, outside the M16*2 left hand thread of left-handed nut, six side's parts do not rotate because the edge of piston rod inwall coordinates simultaneously, but coordinate with releasing brake bolt left-handed threaded portion of same specification in piston rod, left-handed nut is made to exit the 2/3 of total travel to the right direction of diagram, realize the release of whole braking distance, when needs screw out, reason is identical with screw-in, the spring brake cylinder assembly principle of other stroke is ibid.
After adopting said structure, present invention have the beneficial effect that
1, reduce the spring brake cylinder condition of delivery more than total length 45mm, be conducive to layout and the assembling of car load；
2, spring brake cylinder is greatly decreased dispatch from the factory and occur screw thread to collide with damages before transport, handling, entrucking are dispatched from the factory to car load, causes the damage of spring brake cylinder assembly not use.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is the sectional view of piston rod in the present invention.
Description of reference numerals:
Back cover 1, piston 2, y-type seal ring 3, nylon guide ring 4, energy-stored spring 5, fixing plate 6, screw 7, left-handed nut 8, release brake bolt 9, release brake nut 10, elastic cylindrical pin 11, No. three O RunddichtringOs 12, pad 13, piston rod 14, fixing nut 15, bolt 16, nut 17, spring washer 18, clip 19, fore shell 20, spring washer 21, attaching nut 22, connecting bolt 23, hexagon thin nut 24, connect fork 25, return spring 26, push rod 27, push-plate 28, diaphragm 29, mesochite 30, guide ring 31, a number O RunddichtringO 32, No. two O RunddichtringOs 33, fixing bolt 34, right-handed thread 35, left hand thread 36, edge 37, push-rod assembly A, front shell assemblies B, parking braking chamber C, service brake cavity D.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Shown in Fig. 1-Fig. 3, this detailed description of the invention the technical scheme is that it comprises back cover 1, piston 2, y-type seal ring 3, nylon guide ring 4, energy-stored spring 5, fixing plate 6, screw 7, release brake bolt 9, release brake nut 10, elastic cylindrical pin 11, pad 13, piston rod 14, fixing nut 15, bolt 16, nut 17, spring washer 18, clip 19, fore shell 20, spring washer 21, attaching nut 22, connecting bolt 23, hexagon thin nut 24, connect fork 25, return spring 26, push rod 27, push-plate 28, diaphragm 29, mesochite 30, guide ring 31, a number O RunddichtringO 32, No. two O RunddichtringOs 33, fixing bolt 34；It is respectively equipped with guide ring 31 and an O RunddichtringO 32 in the annular groove of mesochite 30, in the groove outside mesochite 30, is provided with No. two O RunddichtringOs 33；The side of described push-plate 28 is welded with push rod 27, and push-plate 28 constitutes push-rod assembly A with push rod 27；The outside of described fore shell 20 is welded with connecting bolt 23, and fore shell 20 constitutes front shell assemblies B with connecting bolt 23, and connecting bolt 23 is provided with attaching nut 22 and spring washer 21；The right side of described mesochite 30 is sequentially provided with diaphragm 29, push-rod assembly A, return spring 26 and front shell assemblies B, and the edge of the edge of fore shell 20, mesochite 30 and diaphragm 29 is linked as one by clip 19, the opening part of clip 19 is provided with fixing bolt 34 and fixing nut 15；The outer end of push rod 27 is connected to connection fork 25 by hexagon thin nut 24；Described mesochite 30 is connected with back cover 1 by bolt 16, nut 17 and spring washer 18, back cover 1 is connected with fixing plate 6 by screw 7, piston 2 it is provided with in back cover 1, pad 13 it is provided with in piston 2, and piston 2 is integrated with piston rod 14 interference fit, fixes and between plate 6 and piston 2, be provided with energy-stored spring 5；Y-type seal ring 3 and nylon guide ring 4 it is provided with between described piston 2 and back cover 1 sidewall；Described releasing brake bolt 9 is connected as one by elastic cylindrical pin 11 with releasing brake nut 10；Form parking braking chamber C between described mesochite 30 and back cover 1, between mesochite 30 and fore shell 20, form service brake cavity D；Described half section of the left side releasing brake bolt 9 is provided with right-handed thread 35, and its right half section is provided with left hand thread 36；Described right-handed thread 35 matches with the right-handed thread in the middle part of fixing plate 6；Described releasing brake bolt 9 band left hand thread 36 place is arranged in piston rod 14, and it is connected with left-handed nut 8；Described piston rod 14 inwall is provided with the edge 37 corresponding with left-handed nut 8 outer wall six side；The described side releasing brake nut 10 is provided with No. three O RunddichtringOs 12.
Described right-handed thread 35 is M16*1 right-handed thread.
Described left hand thread 36 is M16*2 left hand thread.
The operation principle of the present invention: state when diagram state is for payment and entrucking；After car load assembling, releasing brake bolt 9 part exposed will be screwed in by pneumatic spanner before automobile rolls off the production line, No. three O RunddichtringOs 12 are pressed between releasing brake nut 10 and back cover 1, the high order end of releasing brake bolt 9 is made to drop to 34.5mm, short more than the 45mm of more conventional spring brake cylinder with the spacing of the outer wall of back cover 1.
For stroke for 64mm spring brake cylinder (ordinary travel), release (now for the release movement of energy-stored spring 5) when brake bolt 9 screws in, the right-handed thread of right-handed thread 35 with fixing plate 6 by exposing M16*1 coordinates the 1/3 of screw-in total travel, outside the M16*2 left hand thread of left-handed nut 8, six side's parts do not rotate because the edge 37 of piston rod 14 inwall coordinates simultaneously, but coordinate with left hand thread 36 part releasing brake bolt 9 same specification in piston rod 14, left-handed nut 8 is made to exit the 2/3 of total travel to the right direction of diagram, realize the release of whole braking distance, when needs screw out, reason is identical with screw-in, the spring brake cylinder assembly principle of other stroke is ibid.
After adopting said structure, present invention have the beneficial effect that it solves main engine plants in the arrangement of automobile, the insufficient space problem caused because total length is excessive, be conducive to layout and the assembling of car load.
The above, only in order to technical scheme to be described and unrestricted, other amendment that technical scheme is made by those of ordinary skill in the art or equivalent replace, without departing from the spirit and scope of technical solution of the present invention, all should be encompassed in the middle of scope of the presently claimed invention.
Claims (4)
1. short releasing type spring brake cylinder, it comprises back cover, piston, y-type seal ring, nylon guide ring, energy-stored spring, fixing plate, screw, releasing brake bolt, releases brake nut, elastic cylindrical pin, pad, piston rod, fixing nut, bolt, nut, spring washer, clip, fore shell, spring washer, attaching nut, connecting bolt, hex nut, connection fork, return spring, push rod, push-plate, diaphragm, mesochite, guide ring, O RunddichtringO, No. two O RunddichtringOs, fixing bolts；It is respectively equipped with guide ring and an O RunddichtringO in the annular groove of mesochite, in the groove outside mesochite, is provided with No. two O RunddichtringOs；The side of described push-plate is welded with push rod, and push-plate and push rod constitute push-rod assembly；The outside of described fore shell is welded with connecting bolt, and fore shell and connecting bolt constitute front shell assemblies, and connecting bolt is provided with attaching nut and spring washer；The right side of described mesochite is sequentially provided with diaphragm, push-rod assembly, return spring and front shell assemblies, and the edge of the edge of fore shell, mesochite and diaphragm is linked as one by clip, and the opening part of clip is provided with fixing bolt and fixing nut；The outer end of push rod is connected to connection fork by hexagon thin nut；Described mesochite is connected with back cover by bolt, nut and spring washer, and back cover is connected with fixing plate by screw, is provided with piston, is provided with pad in piston, and piston and piston rod interference fit are integrated in back cover, fixes and is provided with energy-stored spring between plate and piston；Y-type seal ring and nylon guide ring it is provided with between described piston and rear shell side wall；Described releasing brake bolt is connected as one by elastic cylindrical pin with releasing brake nut；Form parking braking chamber between described mesochite and back cover, between mesochite and fore shell, form service brake cavity；It is characterized in that: described half section of the left side releasing brake bolt is provided with right-handed thread, its right half section is provided with left hand thread；Described right-handed thread matches with the right-handed thread in the middle part of fixing plate；Described releasing brake bolt band left hand thread place is arranged in piston rod, and it is connected with left-handed nut；Described piston rod inwall is provided with the edge corresponding with left-handed nut outer wall six side；The described side releasing brake nut is provided with No. three O RunddichtringOs.
2. short releasing type spring brake cylinder, it is characterized in that: its job step is as follows: after car load assembling, the releasing brake bolt part exposed will be screwed in by pneumatic spanner before automobile rolls off the production line, No. three O RunddichtringOs are pressed between releasing brake nut and back cover, make the high order end of releasing brake bolt drop to 34.5mm with the spacing of the outer wall of back cover；When releasing brake bolt screw-in, the 1/3 of screw-in total travel is coordinated with the right-handed thread of fixing plate by exposing right-handed thread, outside the left hand thread of left-handed nut, six side's parts do not rotate because the edge of piston rod inwall coordinates simultaneously, but coordinate with releasing brake bolt left-handed threaded portion of same specification in piston rod, left-handed nut is made to exit the 2/3 of total travel to the right direction of diagram, realize the release of whole braking distance, when needs screw out, reason is identical with screw-in, and the spring brake cylinder assembly principle of other stroke is ibid.
3. short releasing type spring brake cylinder according to claim 1, it is characterised in that: described right-handed thread is M16*1 right-handed thread.
4. short releasing type spring brake cylinder according to claim 1, it is characterised in that: described left hand thread is M16*2 left hand thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610279020.6A CN105715708A (en) | 2016-05-03 | 2016-05-03 | Short release type spring brake cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610279020.6A CN105715708A (en) | 2016-05-03 | 2016-05-03 | Short release type spring brake cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105715708A true CN105715708A (en) | 2016-06-29 |
Family
ID=56162044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610279020.6A Pending CN105715708A (en) | 2016-05-03 | 2016-05-03 | Short release type spring brake cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105715708A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2918174Y (en) * | 2005-06-15 | 2007-07-04 | 公主岭安宝有限责任公司 | Piston type spring brake cylinder assembly |
| WO2012164587A2 (en) * | 2011-05-26 | 2012-12-06 | Wabco India Limited | Internal breather valve for spring brake actuators |
| CN104653674A (en) * | 2015-02-11 | 2015-05-27 | 无锡惠发特精密机械有限公司 | Cylinder body of train brake cylinder |
| CN204739133U (en) * | 2015-06-09 | 2015-11-04 | 郑州精益达汽车零部件有限公司 | Short cavity spring stored energy brake chamber for passenger train |
| CN205605698U (en) * | 2016-05-03 | 2016-09-28 | 公主岭安宝有限责任公司 | Short type spring brake jar of relieving |
-
2016
- 2016-05-03 CN CN201610279020.6A patent/CN105715708A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2918174Y (en) * | 2005-06-15 | 2007-07-04 | 公主岭安宝有限责任公司 | Piston type spring brake cylinder assembly |
| WO2012164587A2 (en) * | 2011-05-26 | 2012-12-06 | Wabco India Limited | Internal breather valve for spring brake actuators |
| CN104653674A (en) * | 2015-02-11 | 2015-05-27 | 无锡惠发特精密机械有限公司 | Cylinder body of train brake cylinder |
| CN204739133U (en) * | 2015-06-09 | 2015-11-04 | 郑州精益达汽车零部件有限公司 | Short cavity spring stored energy brake chamber for passenger train |
| CN205605698U (en) * | 2016-05-03 | 2016-09-28 | 公主岭安宝有限责任公司 | Short type spring brake jar of relieving |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160629 |
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| RJ01 | Rejection of invention patent application after publication |