CN105065646A - Vent cap - Google Patents
Vent cap Download PDFInfo
- Publication number
- CN105065646A CN105065646A CN201510412400.8A CN201510412400A CN105065646A CN 105065646 A CN105065646 A CN 105065646A CN 201510412400 A CN201510412400 A CN 201510412400A CN 105065646 A CN105065646 A CN 105065646A
- Authority
- CN
- China
- Prior art keywords
- inner ring
- spring
- vent
- cavity
- ring boss
- 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
Links
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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/027—Gearboxes; Mounting gearing therein characterised by means for venting gearboxes, e.g. air breathers
-
- 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
- F16H—GEARING
- F16H2700/00—Transmission housings and mounting of transmission components therein; Cooling; Lubrication; Flexible suspensions, e.g. floating frames
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The invention discloses a vent cap which comprises a casing, wherein a through cavity penetrates through the middle of the casing; an inner ring boss is arranged on the inner wall at the top end of the through cavity; a needle pin is inserted in the middle of the through cavity in the axial direction of the through cavity; the top end of the needle pin extends out of the top of the casing; an outer ring boss in overlapping fit with the top of the inner ring boss is arranged on the outer periphery at the top of the needle pin; a spring is arranged coaxially in the middle of the needle pin in a sleeving way; and the spring is clamped between the bottom end of the inner ring boss and the bottom end of the needle pin. During the assembling and using process of the vent cap, owing to the adoption of the fine needle pin, the casing and related components thereof can correspondingly be structural components in small sizes, so that the whole assembling volume of the vent cap is effectively reduced and the vent cap can meet the requirement of use in small assembling space and further meet the requirements of exhaust and pressure reduction of small-sized equipment with limited mounting sizes under extreme working conditions.
Description
Technical field
The present invention relates to retarder, gearbox corollary equipment technical field, particularly a kind of abat-vent.
Background technique
Abat-vent is a kind of significant components be widely used in retarder, gearbox class machinery, and along with improving constantly of user demand, the service behaviour of people to abat-vent it is also proposed higher requirement.
Although abat-vent kind comparatively common in current mechanical field is more, but assembling volume is larger mostly for it, and limit due to himself structure, what its overall dimensions cannot be controlled in general abat-vent manufacture process is less, although therefore existing common abat-vent can realize gas exchanges inside and outside equipment, but it cannot adapt to less assembly space, the exhaust decompression needs of the limited mini-plant of installation dimension thus cannot be met.
Therefore, how to provide a kind of size less and the less abat-vent of assembly space needed for it is those skilled in the art needs the important technological problems that solves at present.
Summary of the invention
The object of this invention is to provide a kind of abat-vent, the size of this abat-vent is less and assembly space needed for it is less.
For solving the problems of the technologies described above, the invention provides a kind of abat-vent, comprise housing, the middle part of described housing is run through cavity, the top inwall of described cavity has inner ring boss, the middle part of described cavity is axially fitted with aciculiform pin along it, and the top of described aciculiform pin stretches out in the top of described housing, and the top periphery portion of described aciculiform pin has and overlaps with the top of described inner ring boss the outer shroud boss coordinated;
The middle part coaxial sleeve of described aciculiform pin is equipped with spring, and described spring clip is connected between the bottom of described inner ring boss and the bottom of described aciculiform pin.
Preferably, the bottom periphery portion of described aciculiform pin is provided with collet, between the bottom that described spring is specifically connected in described inner ring boss and described collet.
Preferably, described spring is light spring.
Preferably, the outer edge of distance from described bottom surface between the bottom surface of described outer shroud boss and its end face increases gradually to its inside edge.
Relative above-mentioned background technology, abat-vent provided by the present invention, in its assembling using process, owing to have employed more tiny aciculiform pin, make housing parts and associated component thereof can the less structural member of corresponding employing size, thus the integral installation part effectively reducing described abat-vent amasss, the use needs under less assembly space can be adapted to, and then meet the exhaust decompression needs under the extreme operating condition conditions such as the limited mini-plant of installation dimension.
In another preferred version of the present invention, the bottom periphery portion of described aciculiform pin is provided with collet, between the bottom that described spring is specifically connected in described inner ring boss and described collet.Described collet can provide enough and sufficient support force for spring, and avoids having an impact to aciculiform pin agent structure in spring works process, ensures functional reliability and the stability of abat-vent.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art 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 prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The assembly structure sectional view of the abat-vent that Fig. 1 provides for a kind of embodiment of the present invention.
Embodiment
Core of the present invention is to provide a kind of abat-vent, and the size of this abat-vent is less and assembly space needed for it is less.
In order to make those skilled in the art person understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 1, the assembly structure sectional view of the abat-vent that Fig. 1 provides for a kind of embodiment of the present invention.
In a specific embodiment, abat-vent provided by the present invention, comprise housing 11, the middle part of housing 11 is run through cavity 111, the top inwall of cavity 111 has inner ring boss 112, the middle part of cavity 111 is axially fitted with aciculiform pin 12 along it, and the top of aciculiform pin 12 stretches out in the top of housing 11, and the top periphery portion of aciculiform pin 12 has the outer shroud boss 121 overlapping with the top of inner ring boss 112 and coordinate; The middle part coaxial sleeve of aciculiform pin 12 is equipped with spring 13, and spring 13 is connected between the bottom of inner ring boss 112 and the bottom of aciculiform pin 12.
In assembling using process, owing to have employed more tiny aciculiform pin 12, make housing 11 part and associated component thereof can the less structural member of corresponding employing size, thus the integral installation part effectively reducing described abat-vent amasss, the use needs under less assembly space can be adapted to, and then meet the exhaust decompression needs under the extreme operating condition conditions such as the limited mini-plant of installation dimension.
In practical work process, air-flow is passed into by cavity 111 bottom, when air pressure reaches higher value, aciculiform pin 12 is by jack-up, now outer shroud boss 121 and inner ring boss 112 disengage, and spring 13 is compressed, gas is discharged by the space between outer shroud boss 121 and inner ring boss 112 afterwards, when cavity 111 internal air pressure is reduced to certain value, aciculiform pin 12 moves down reset under the effect of spring 13 reposition force, outer shroud boss 121 recovers to contact with inner ring boss 112, and whole exhaust decompression operation process is complete.
Further, the bottom periphery portion of aciculiform pin 12 is provided with collet 122, and spring 13 is specifically connected between the bottom of inner ring boss 112 and collet 122.Collet 122 can provide enough and sufficient support force for spring 13, and avoids having an impact to aciculiform pin 12 agent structure in spring 13 working procedure, ensures functional reliability and the stability of abat-vent.
More specifically, baffle plate 113 is at least two, and each baffle plate 113 is crisscross arranged on the inwall of valve pocket 111 along valve body 11 axial direction successively.The structure that is crisscross arranged this kind can improve further baffle plate 113 cooperatively interact after impact resistance, thus improve further it to the protective capability of poly tetrafluoroethylene.
On the other hand, spring 13 is light spring.Weight due to aciculiform pin 12 self is less and size is less, therefore spring 13 can select the light spring that quality is comparatively light and handy, not only can meet the reset needs in aciculiform pin 12 working procedure, also can reduce total quality and the size of abat-vent simultaneously further.
Certainly, specific in practical set using process, above-mentioned light spring can be the spring of articles made of aluminium alloy that quality is lighter or other alloy product, as long as can meet the actual use needs of described abat-vent.
In addition, the outer edge of distance from described bottom surface between the bottom surface of outer shroud boss 121 and its end face increases gradually to its inside edge.The outer shroud boss 121 with this kind of cone structure can be suitable with inner ring boss 112 better, and improve the obturation effect between outer shroud boss 121 and inner ring boss 112 under overlap joint state further.
In summary, the abat-vent provided in the present invention, comprise housing, the middle part of described housing is run through cavity, the top inwall of described cavity has inner ring boss, the middle part of described cavity is axially fitted with aciculiform pin along it, and the top of described aciculiform pin stretches out in the top of described housing, and the top periphery portion of described aciculiform pin has and overlaps with the top of described inner ring boss the outer shroud boss coordinated; The middle part coaxial sleeve of described aciculiform pin is equipped with spring, and described spring clip is connected between the bottom of described inner ring boss and the bottom of described aciculiform pin.In its assembling using process, owing to have employed more tiny aciculiform pin, make housing parts and associated component thereof can the less structural member of corresponding employing size, thus the integral installation part effectively reducing described abat-vent amasss, the use needs under less assembly space can be adapted to, and then meet the exhaust decompression needs under the extreme operating condition conditions such as the limited mini-plant of installation dimension.
Above abat-vent provided by the present invention is described in detail.Apply specific case herein to set forth principle of the present invention and mode of execution, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (4)
1. an abat-vent, it is characterized in that: comprise housing, the middle part of described housing is run through cavity, the top inwall of described cavity has inner ring boss, the middle part of described cavity is axially fitted with aciculiform pin along it, and the top of described aciculiform pin stretches out in the top of described housing, the top periphery portion of described aciculiform pin has and overlaps with the top of described inner ring boss the outer shroud boss coordinated;
The middle part coaxial sleeve of described aciculiform pin is equipped with spring, and described spring clip is connected between the bottom of described inner ring boss and the bottom of described aciculiform pin.
2. abat-vent as claimed in claim 1, is characterized in that: the bottom periphery portion of described aciculiform pin is provided with collet, between the bottom that described spring is specifically connected in described inner ring boss and described collet.
3. abat-vent as claimed in claim 1, is characterized in that: described spring is light spring.
4. abat-vent as claimed in claim 1, is characterized in that: the outer edge of the distance between the bottom surface of described outer shroud boss and its end face from described bottom surface increases gradually to its inside edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510412400.8A CN105065646A (en) | 2015-07-14 | 2015-07-14 | Vent cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510412400.8A CN105065646A (en) | 2015-07-14 | 2015-07-14 | Vent cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105065646A true CN105065646A (en) | 2015-11-18 |
Family
ID=54495098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510412400.8A Pending CN105065646A (en) | 2015-07-14 | 2015-07-14 | Vent cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105065646A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2739420Y (en) * | 2004-09-22 | 2005-11-09 | 宁夏西北奔牛实业集团有限公司 | Two-way ventilating sock |
| CN2809347Y (en) * | 2005-07-11 | 2006-08-23 | 浙江午马变速机械有限公司 | Vent plug |
| US20090133485A1 (en) * | 2006-02-14 | 2009-05-28 | Zf Lenksysteme Gmbh | Device for Uncovering an Opening in a Housing Part of a Steering Gear |
| CN204805495U (en) * | 2015-07-14 | 2015-11-25 | 沃德传动（天津）股份有限公司 | Abatvent |
-
2015
- 2015-07-14 CN CN201510412400.8A patent/CN105065646A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2739420Y (en) * | 2004-09-22 | 2005-11-09 | 宁夏西北奔牛实业集团有限公司 | Two-way ventilating sock |
| CN2809347Y (en) * | 2005-07-11 | 2006-08-23 | 浙江午马变速机械有限公司 | Vent plug |
| US20090133485A1 (en) * | 2006-02-14 | 2009-05-28 | Zf Lenksysteme Gmbh | Device for Uncovering an Opening in a Housing Part of a Steering Gear |
| CN204805495U (en) * | 2015-07-14 | 2015-11-25 | 沃德传动（天津）股份有限公司 | Abatvent |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into 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: 20151118 |