CN103375587A - Sealing and positioning structure of sleeved part - Google Patents
Sealing and positioning structure of sleeved part Download PDFInfo
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- CN103375587A CN103375587A CN2012101232492A CN201210123249A CN103375587A CN 103375587 A CN103375587 A CN 103375587A CN 2012101232492 A CN2012101232492 A CN 2012101232492A CN 201210123249 A CN201210123249 A CN 201210123249A CN 103375587 A CN103375587 A CN 103375587A
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Abstract
The invention discloses a sealing and positioning structure of a sleeved part. The sealing and positioning structure comprises an inner-layer sleeved part and an outer-layer sleeve which is sleeved on the inner-layer sleeved part, wherein a portion of the inner-layer sleeved part, which is embedded in the outer-layer sleeve, is provided with a sealing section and a positioning section of which the size is matched with the outer-layer sleeve, the length of the sealing section is longer than that of the positioning section, the diameter of the sealing section is smaller than that of the positioning section, and a sealing part is arranged on the sealing section. The sleeved portion is arranged in such a way that the positioning section is separated from the sealing section of which the diameter is smaller than that of the positioning section, and the positioning section is shorter than the sealing section, so that compared with existing traditional sleeved parts which are in small clearance fit as a whole, the sealing and positioning structure has the advantages that sealing and positioning are guaranteed, meanwhile, disassembling and assembling processes of the sealing and positioning structure are obviously simple, the disassembling and assembling time can be effectively saved, and the efficiency can be improved.
Description
Technical field
The present invention relates to mechanical location sealing structure-design technique field, relate in particular to a kind of sealing position structure that overlaps piece installing.
Background technique
Traditional cover piece installing, for example axle be sleeved on sleeve on the axle, precision and sealing effect for the radial and axial location that guarantees axle, usually the suit position is whole adopts little Spielpassung to guarantee the radial location of axle in sleeve, by adopting the seal section at axle to increase the sealing that the O RunddichtringO guarantees axle and sleeve, by guaranteeing axle location in the axial direction at design end, the end of axle locating face.
But there is very large drawback in the location sealing structure of this kind cover piece installing, because the little Spielpassung of the whole employing in suit position, thereby cause this structure dismounting very difficult, whole disassembly process must guarantee that the axis of axle and sleeve is on same straight line, otherwise will can't realize dismounting owing to the friction of axle and sleeve lining, this can also guarantee more in short-term at the suit position, but when the suit position is long, it is very complicated that dismounting will become, in disassembly process, guarantee major axis consistent all the time with the axis of sleeve be very difficult, any small skew will cause axle and sleeve to be crowded together can't enter axle sleeve or pull out sleeve, thereby brings very large difficulty for assembling and maintenance work.
Therefore, the sealing position structure that how to design a kind of easy-to-mount cover piece installing is the technical problem that present those skilled in the art need solution badly.
Summary of the invention
The purpose of this invention is to provide a kind of sealing position structure that overlaps piece installing, with the function that can either realize sealing and locating, can conveniently overlap again the dismounting of piece installing.
For solving above-mentioned prior art problem, the invention provides a kind of sealing position structure that overlaps piece installing, comprise internal layer external member and the skin cover sleeve that is set in described internal layer external member, the part that described internal layer external member is embedded at described outer layer sleeve is provided with seal section and has the positioning section of fit dimension with described outer layer sleeve, the length of described seal section is greater than described positioning section, described diameter of sealed section is less than described positioning section diameter, and is provided with Sealing on the described seal section.
Preferably, also comprise the groove that is arranged on the described seal section, described Sealing is the O RunddichtringO that is arranged in the described groove.
Preferably, comprise also being arranged at the boss that is used for internal layer cover piece installing axially locating in the piece installing of described internal layer cover that the surface of contact of described boss and described outer layer sleeve end face is the plane.
Can be drawn by above technological scheme, the sealing position structure of cover piece installing provided by the present invention, comprise outer layer sleeve and be set in the interior internal layer external member of outer layer sleeve, the part that is set in outer layer sleeve in the internal layer external member is provided with seal section and positioning section, be provided with the Sealing that seals between outer layer sleeve and the internal layer external member on the seal section, positioning section is used for the internal layer external member in the enterprising conduct of outer layer sleeve to the location, the length of seal section greater than described positioning section and its diameter less than positioning section, like this when the dismounting external member, seal section is because diameter reduces to be inserted in or to pull out being very easy to outer layer sleeve, therefore the positioning section that only needs to lack accurately is inserted in or pulls out the dismounting that outer layer sleeve can be finished the cover piece installing, than the whole cover piece installing of making little Spielpassung of existing suit part, the disassembly process of cover piece installing provided by the present invention is obviously easy, and dismounting efficient obviously improves.
Description of drawings
The sectional view of the internal layer external member of the sealing position structure of the cover piece installing that Fig. 1 provides for the embodiment of the invention;
Sectional view after the assembling of the sealing position structure of the cover piece installing that Fig. 2 provides for the embodiment of the invention.
Embodiment
Core purpose of the present invention provides a kind of sealing position structure that overlaps piece installing, this structure partly is divided into seal section and positioning section by the suit that internal layer is overlapped piece installing, the length of positioning section is less than the length of seal section, and only positioning section and outer layer sleeve have fit dimension, thereby make the dismounting of cover piece installing become more simple and convenient.
In order to make those skilled in the art person understand better the solution of the present invention, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1, the sectional view of the internal layer external member of the sealing position structure of the cover piece installing that Fig. 1 provides for the embodiment of the invention.
The cover piece installing of mentioning among the present invention refers between two parts and to adopt the mode of suit to link together, and the embodiment of the invention describes as example take axle bed H and the axle housing G that is set in the axle bed.
Cover piece installing in the present embodiment comprises the internal layer external member and is set in the outer layer sleeve of internal layer external member, the part that the internal layer external member is embedded at outer layer sleeve is provided with seal section A and positioning section B, seal section A is used for the sealing between outer layer sleeve and the piece installing of internal layer cover, positioning section B is used for the radial location of internal layer external member in outer layer sleeve, it is fit dimension between positioning section B and the outer layer sleeve, and the length of seal section A is greater than positioning section B, the length of positioning section B is can realize that positioning action gets final product, reduce its length as far as possible, the diameter of seal section A is less than the diameter of positioning section, and is provided with the Sealing for sealing on the seal section A.
The concrete spindle seat of outer layer sleeve in present embodiment H, the concrete spindle shell of internal layer cover piece installing G as shown in Figure 1, the diameter of seal section A is less than positioning section B, and the length of positioning section B is less than the length of seal section A, be set at axle housing G in the middle of the process of axle bed H, seal section A is because diameter is less, therefore and the gap between the axle bed H larger, can enter very easily in the axle bed H, although and be fit dimension between positioning section and the axle bed H, and be little Spielpassung, but its limited length, also can be more convenient to be nested into axle bed H inner.Owing on the seal section A Sealing is installed, therefore can realize the sealing between axle bed H and the axle housing G, owing to be provided with positioning section B on the axle housing G, therefore also can guarantee the radial location of axle housing G in axle bed H simultaneously.
Than the little Spielpassung size of the whole employing in cover piece installing suit of the prior art position, cover piece installing provided by the present invention guarantee to cooperate under the prerequisite of segment length so that dismounting is more simple and convenient, greatly save disassembly and assembly time, increase work efficiency, and because the distance of positioning section B shortens, therefore can adopt more accurate Spielpassung between positioning section B and the sleeve, even can adopt transition fit, thereby greatly improve Location accuracy and can not bring very large difficulty to disassemble and assemble work, and this kind structure can effectively reduce in disassembly process, causes the situation of the seal failure that the excessive compression to Sealing causes owing to the deviation of internal layer external member and outer layer sleeve axis.
In order further to optimize technological scheme provided by the present invention, also be provided with groove D at seal section B in the present embodiment, above-mentioned Sealing specifically adopts O RunddichtringO E, be provided with groove D such as the seal section A on axle housing G, Sealing employing O RunddichtringO E realizes the sealing between axle housing G and the axle bed H, the size of O RunddichtringO E and groove D is adaptive, thereby the decrement that just can guarantee O RunddichtringO E after assembling is finished realizes seal request, in assembly process, at first partly coat lubricant oil at the suit of axle housing G, then seal section A and the positioning section B with axle housing G is set in the axle bed H, owing to scribble lubricant oil, O RunddichtringO E in the cover process of assembling on the seal section can not bring very large resistance to suit, after assembling is finished as shown in Figure 2.Because the seal section A size on the axle housing G is suitably dwindled, the journal offset that has also reduced in disassembly process owing to axle housing G and axle bed H causes causing the phenomenon of seal failure to occur to O RunddichtringO E excessive compression.
In order to guarantee that this cover piece installing can realize the axially locating of internal layer cover piece installing, also be provided with the boss C for internal layer cover piece installing axially locating in the internal layer cover piece installing in the embodiment of the invention, the surface of contact of described boss C and described outer layer sleeve end face is the plane, concrete, at axle housing G boss C is set, the surface of contact of boss C and axle bed G is the plane, and in order to reach the tolerance of axially locating, the surface roughness that adapts with tolerance should be adopted in this plane.As depicted in figs. 1 and 2.
Used specific case herein principle of the present invention and mode of execution are set forth, above embodiment's explanation just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (3)
1. sealing position structure that overlaps piece installing, comprise internal layer external member and the outer layer sleeve that is set in described internal layer external member, it is characterized in that, the part that described internal layer external member is embedded at described outer layer sleeve is provided with seal section and has the positioning section of fit dimension with described outer layer sleeve, the length of described seal section is greater than described positioning section, described diameter of sealed section is less than described positioning section diameter, and is provided with Sealing on the described seal section.
2. the sealing position structure of cover piece installing according to claim 1 is characterized in that, also comprises the groove that is arranged on the described seal section, and described Sealing is the O RunddichtringO that is arranged in the described groove.
3. the sealing position structure of cover piece installing according to claim 1 is characterized in that, also comprises being arranged at the boss that is used for internal layer cover piece installing axially locating in the piece installing of described internal layer cover, and the surface of contact of described boss and described outer layer sleeve end face is the plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210123249.2A CN103375587B (en) | 2012-04-24 | 2012-04-24 | A kind of sealing location structure of set piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210123249.2A CN103375587B (en) | 2012-04-24 | 2012-04-24 | A kind of sealing location structure of set piece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103375587A true CN103375587A (en) | 2013-10-30 |
| CN103375587B CN103375587B (en) | 2016-06-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210123249.2A Active CN103375587B (en) | 2012-04-24 | 2012-04-24 | A kind of sealing location structure of set piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103375587B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2191780Y (en) * | 1994-06-03 | 1995-03-15 | 金铭新 | Bidirectional positioning full sealing semi-plastic multiball middle axle assembly |
| CN2269354Y (en) * | 1996-12-31 | 1997-12-03 | 江门市兴江汽车转向器厂 | Integrated power steering gear for automobile rotary valve |
| CN2421439Y (en) * | 2000-04-03 | 2001-02-28 | 尹钢 | High-rotary motor |
| EP0698497B1 (en) * | 1994-08-24 | 2003-11-19 | Canon Kabushiki Kaisha | Ink container for ink jet printer, holder for the container carriage for the holder and ink jet printer |
| US20040163428A1 (en) * | 2002-12-10 | 2004-08-26 | Lg Electronics Inc. | Drum type washing machine |
| CN2654388Y (en) * | 2003-10-26 | 2004-11-10 | 万向钱潮股份有限公司 | Steering joint assemblage alvantageous of mounting and dismounting brake disk |
| CN201211620Y (en) * | 2008-06-20 | 2009-03-25 | 江苏飞船股份有限公司 | Bevel gear excircle finish turning processing clamp |
| CN202579674U (en) * | 2012-04-24 | 2012-12-05 | 安徽华菱汽车有限公司 | Sealing positioning structure for sleeve element |
-
2012
- 2012-04-24 CN CN201210123249.2A patent/CN103375587B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2191780Y (en) * | 1994-06-03 | 1995-03-15 | 金铭新 | Bidirectional positioning full sealing semi-plastic multiball middle axle assembly |
| EP0698497B1 (en) * | 1994-08-24 | 2003-11-19 | Canon Kabushiki Kaisha | Ink container for ink jet printer, holder for the container carriage for the holder and ink jet printer |
| CN2269354Y (en) * | 1996-12-31 | 1997-12-03 | 江门市兴江汽车转向器厂 | Integrated power steering gear for automobile rotary valve |
| CN2421439Y (en) * | 2000-04-03 | 2001-02-28 | 尹钢 | High-rotary motor |
| US20040163428A1 (en) * | 2002-12-10 | 2004-08-26 | Lg Electronics Inc. | Drum type washing machine |
| CN2654388Y (en) * | 2003-10-26 | 2004-11-10 | 万向钱潮股份有限公司 | Steering joint assemblage alvantageous of mounting and dismounting brake disk |
| CN201211620Y (en) * | 2008-06-20 | 2009-03-25 | 江苏飞船股份有限公司 | Bevel gear excircle finish turning processing clamp |
| CN202579674U (en) * | 2012-04-24 | 2012-12-05 | 安徽华菱汽车有限公司 | Sealing positioning structure for sleeve element |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103375587B (en) | 2016-06-29 |
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