CN204060847U - A kind of engine lubrication system and oil channel sealing assembly thereof - Google Patents
A kind of engine lubrication system and oil channel sealing assembly thereof Download PDFInfo
- Publication number
- CN204060847U CN204060847U CN201420380721.5U CN201420380721U CN204060847U CN 204060847 U CN204060847 U CN 204060847U CN 201420380721 U CN201420380721 U CN 201420380721U CN 204060847 U CN204060847 U CN 204060847U
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- China
- Prior art keywords
- tapered portion
- sealing assembly
- branch road
- channel sealing
- lubrication system
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- 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.)
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Abstract
The utility model discloses a kind of engine lubrication system and oil channel sealing assembly thereof, this oil channel sealing assembly comprises sealing plug, sealing plug screw comprises the screw section offering outer straight thread, with the first tapered portion being arranged at side, described screw section, the interior edge face of described screw section and the tube wall of branch road oil duct there is predetermined radial distance the most nearby; Straight thread in the inwall of main oil gallery processing mouth offers and to screw togather with described outer straight thread, and the outer of described main oil gallery processing mouth offers the second tapered portion extended out, described first tapered portion and described second tapered portion fit.Like this, screw section avoids branch road oil duct, ensure that the unimpeded of branch road oil duct, ensure that the unimpeded of branch road oil duct, and then ensure that the service behaviour of lubrication system.Meanwhile, larger bolt force acts in the first tapered portion, produces larger sealing load, can produce interference fit along with bolt screws between two tapered portion, makes sealing more reliable.
Description
Technical field
The utility model relates to field of engine lubrication technology, particularly relates to a kind of oil channel sealing assembly for engine lubrication system.The utility model also relates to a kind of engine lubrication system comprising above-mentioned oil channel sealing assembly.
Background technique
Motor in the course of the work, machine oil pumps into oil by the oil pump in engine lubrication system to be undertaken cooling and filtering by cooling system, finally enter main oil gallery and supply cylinder body and each lubricating oil path of cylinder cap respectively, reach the object to lubrication and cooling between motor each kinematic pair, running safe and reliable under ensure that motor good lubrication condition.Wherein, in the cylinder body of engine lubrication system, main oil gallery plays the key player of machine oil section store and distribution, in main oil gallery, engine oil pressure can distribute by each position engine oil pressure of measured engine to a great extent, and machining and the sealing of therefore carrying out main oil gallery are also most important.
Current cylinder body main oil gallery is generally formed by machining, and due to cylinder body main oil gallery long, in machining process, drill gun cannot from while drill through, need to prevent from taking an advanced study into the problems such as drill gun breaking is eccentric from piercing on one side from both sides to brill, the cylinder body main oil gallery two ends of machining formation all need to be sealed by oil channel sealing assembly.
Please refer to Fig. 1, Fig. 1 is the structural representation that in prior art, a kind of typical oil channel sealing assembly is in assembling condition.
As shown in Figure 1, oil channel sealing assembly of the prior art is tapered thread sealing plug, on cylinder body 4, the distal opening place of the main oil gallery 1 that machining is formed offers conical internal thread, and realize sealing by the screwing togather of conical external screw thread of this conical internal thread and sealing plug 2, to realize the sealing to main oil gallery 1 and branch road oil duct 3.
But, the sealing plug with tapered thread is required to be the requirement that standard piece can meet sealing reliability, the length of sealing plug is fixing, sealing plug to go deep into length longer, can by the filler opening part oil duct cross sectional occlusion of branch road oil duct, cause branch road oil duct fuel feeding not smooth, affect the service behaviour of lubrication system; Meanwhile, because branch road oil duct destroys partial threads sealing surface, sealing reliability is caused to reduce.
Therefore, how when ensureing seal request, avoiding oil channel sealing assembly to block branch road oil duct, ensureing the unimpeded of branch road oil duct, thus ensureing the service behaviour of lubrication system, needing the problem of solution with regard to becoming those skilled in the art badly.
Model utility content
The purpose of this utility model is to provide a kind of oil channel sealing assembly of engine lubrication system, it is by the composite structure of straight thread and conical seal (contact) face, both ensure that sealing reliability, turn avoid and block branch road oil duct, thus ensure that the unimpeded of branch road oil duct, and then ensure that the service behaviour of lubrication system.Another object of the present utility model is to provide a kind of engine lubrication system comprising above-mentioned oil channel sealing assembly.
To achieve these goals, the utility model provides a kind of oil channel sealing assembly of engine lubrication system, comprise be installed on main oil gallery main oil gallery processing mouth in sealing plug, described sealing plug comprises the screw section offering outer straight thread, with be arranged at first tapered portion of described screw section away from described main oil gallery side, the interior edge face of described screw section and the tube wall of branch road oil duct there is predetermined radial distance the most nearby; Straight thread in the inwall of described main oil gallery processing mouth offers and to screw togather with described outer straight thread, and the outer of described main oil gallery processing mouth offers the second tapered portion extended out, described first tapered portion and described second tapered portion fit.
Preferably, described predetermined radial distance is 1mm.
Preferably, the conical surface length of described first tapered portion is greater than the conical surface length of described second tapered portion.
Preferably, the length of described second tapered portion is greater than or equal to 1mm.
Preferably, the frustoconical bevel angle of described first tapered portion equals the frustoconical bevel angle of described second tapered portion.
The utility model also provides a kind of engine lubrication system, and comprise and be opened in main oil gallery on engine cylinder-body and branch road oil duct, the processing mouth place of described main oil gallery is provided with oil channel sealing assembly, and described oil channel sealing assembly is engine lubrication system as above.
The oil channel sealing assembly that the utility model provides is for engine lubrication system, this oil channel sealing assembly comprises sealing plug, sealing plug screw comprises the screw section offering outer straight thread, with the first tapered portion being arranged at side, described screw section, the interior edge face of described screw section and the tube wall of branch road oil duct there is predetermined radial distance the most nearby; Straight thread in the inwall of main oil gallery processing mouth offers and to screw togather with described outer straight thread, and the outer of described main oil gallery processing mouth offers the second tapered portion extended out, described first tapered portion and described second tapered portion fit.
In seal process, screw section is screwed in main oil gallery processed in mouth by coordinating of outer straight thread and interior straight thread, and in screwing operations, gradually the first tapered portion is pressed in the second tapered portion, and another both fit to interference fit, be combined to form sealing surface by outer straight thread and the Surface of action of interior straight thread and the faying surface of the first tapered portion and the second tapered portion; Like this, owing to employing the bolt force that straight thread can provide larger, therefore can length of fit be shortened, the interior edge face of screw section and the tube wall of branch road oil duct there is predetermined radial distance the most nearby, screw section avoids branch road oil duct, ensure that the unimpeded of branch road oil duct, ensure that the unimpeded of branch road oil duct, and then ensure that the service behaviour of lubrication system.Meanwhile, larger bolt force acts in the first tapered portion, produces larger sealing load, can produce interference fit along with bolt screws between two tapered portion, makes sealing more reliable.
In a preferred embodiment, in oil channel sealing assembly provided by the utility model, the conical surface length of its first tapered portion is greater than the conical surface length of the second tapered portion, to improve the sealability of conical seal (contact) face.
In another preferred embodiment, in oil channel sealing assembly provided by the utility model, the frustoconical bevel angle of its first tapered portion equals the frustoconical bevel angle of the second tapered portion, so that both fit better, there is not gap between the two, thus ensure that sealing effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the utility model, for those of ordinary skill in the art, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation that in prior art, a kind of typical oil channel sealing assembly is in assembling condition;
Fig. 2 is the structural representation that oil channel sealing assembly provided by the utility model is in assembling condition;
Fig. 3 is the structural representation at main oil gallery processing mouth place in Fig. 2;
Fig. 4 is the structural representation of sealing plug in Fig. 2.
Description of reference numerals:
In FIG:
1-main oil gallery 2-sealing plug 3-branch road oil duct 4-cylinder body
In Fig. 2 to Fig. 4:
The frustoconical bevel angle of frustoconical bevel angle a2-second tapered portion of conical surface length a1-first tapered portion of conical surface length H2-first tapered portion of 20-sealing plug 21-screw section 22-first tapered portion 23-branch road oil duct 24-main oil gallery processing mouth 25-second tapered portion 30-cylinder body 40-main oil gallery H1-second tapered portion
Embodiment
Core of the present utility model is to provide a kind of oil channel sealing assembly of engine lubrication system, it is by the composite structure of straight thread and conical seal (contact) face, both ensure that sealing reliability, turn avoid and block branch road oil duct, thus ensure that the unimpeded of branch road oil duct, and then ensure that the service behaviour of lubrication system.Another core of the present utility model is to provide a kind of engine lubrication system comprising above-mentioned oil channel sealing assembly.
In order to make those skilled in the art understand the technical solution of the utility model better, below in conjunction with accompanying drawing, the utility model is further detailed.
Please refer to Fig. 2 to Fig. 4, Fig. 2 is the structural representation that oil channel sealing assembly provided by the utility model is in assembling condition; Fig. 3 is the structural representation at main oil gallery processing mouth place in Fig. 2; Fig. 4 is the structural representation of sealing plug in Fig. 2.
In a kind of embodiment, the oil channel sealing assembly that the utility model provides is for engine lubrication system, the main oil gallery 40 of engine cylinder-body 30 offers main oil gallery processing mouth 24, this oil channel sealing assembly comprises sealing plug 20, sealing plug screw 20 comprises the screw section 21 offering outer straight thread, with be arranged at first tapered portion 22 of described screw section 21 away from main oil gallery 40 side, the interior edge face of described screw section 21 and the tube wall of branch road oil duct 23 there is predetermined radial distance the most nearby; Straight thread in the inwall of main oil gallery processing mouth 24 offers and to screw togather with described outer straight thread, and the outer of described main oil gallery processing mouth 24 offers the second tapered portion 25 extended out, described first tapered portion 22 fits with described second tapered portion 25.
In seal process, screw section 21 is screwed in main oil gallery processed in mouth 24 by coordinating of outer straight thread and interior straight thread, and in screwing operations, gradually the first tapered portion 22 is pressed in the second tapered portion 25, and another both fit to interference fit, be combined to form sealing surface by outer straight thread and the Surface of action of interior straight thread and the faying surface of the first tapered portion 22 and the second tapered portion 25; Like this, owing to employing the bolt force that straight thread can provide larger, therefore can length of fit be shortened, the interior edge face of screw section 21 and the tube wall of branch road oil duct 23 there is predetermined radial distance the most nearby, screw section 21 avoids branch road oil duct 23, ensure that the unimpeded of branch road oil duct 23, ensure that the unimpeded of branch road oil duct 23, and then ensure that the service behaviour of lubrication system.Meanwhile, larger bolt force acts in the first tapered portion, produces larger sealing load, can produce interference fit along with bolt screws between two tapered portion, makes sealing more reliable.
Particularly, the predetermined radial distance the most nearby of the interior edge face of above-mentioned screw section 21 and the tube wall of branch road oil duct 23 can be 1mm, both to ensure sealability, can avoid branch road oil duct 23 again; Apparently, above-mentioned intended distance is also not limited to 1mm, as long as realize above-mentioned guarantee sealing effect, avoids again the object of branch road oil duct 23, and this intended distance can be determined according to actual applying working condition, such as, also can be 2mm or 1.5mm etc.
Further, the conical surface length H2 of above-mentioned first tapered portion is greater than the conical surface length H1 of the second tapered portion, to improve the sealability of conical seal (contact) face.From theory, the conical surface length H2 of above-mentioned first tapered portion also can equal the conical surface length H1 of the second tapered portion.
In order to ensure sealing reliability, the conical surface length H1 of described second tapered portion is greater than or equal to 1mm, such as, can be 2mm, 3mm etc., and the concrete numerical value of the conical surface length H1 of this second tapered portion can be determined according to actual service condition, in this no limit.The conical surface length H2 of the first tapered portion is correspondingly greater than 1mm, and preferably slightly larger than the conical surface length H1 of the second tapered portion.
The frustoconical bevel angle a2 of above-mentioned first tapered portion equals the frustoconical bevel angle a1 of the second tapered portion, so that both fit better, there is not gap between the two, thus ensure that sealing effect.Apparently, the frustoconical bevel angle a2 of the first tapered portion and the frustoconical bevel angle a1 of the second tapered portion also can slightly difference, as long as can ensure the sealing reliability after fitting.
It is pointed out that ordinal numbers such as " first, second " described in literary composition is the different structure in order to distinguish same names, is only for convenience, does not represent certain order, more should not be construed as any restriction.
Except above-mentioned oil channel sealing assembly, the utility model also provides a kind of oil channel sealing assembly comprising above-mentioned engine lubrication system, and other Each part of this oil channel sealing assembly please refer to prior art, do not repeat them here.
Mode above only by illustrating describes some one exemplary embodiment of the present utility model, undoubtedly, for those of ordinary skill in the art, when not departing from spirit and scope of the present utility model, can revise described embodiment by various different mode.Therefore, above-mentioned accompanying drawing is illustrative with being described in essence, should not be construed as the restriction to the utility model claims.
Claims (6)
1. the oil channel sealing assembly of an engine lubrication system, comprise be installed on main oil gallery (40) main oil gallery processing mouth (24) in sealing plug (20), it is characterized in that, described sealing plug (20) comprises the screw section (21) offering outer straight thread, with be arranged at first tapered portion (22) of described screw section (21) away from described main oil gallery (40) side, the interior edge face of described screw section (21) and the tube wall of branch road oil duct (23) there is predetermined radial distance the most nearby; Straight thread in the inwall of described main oil gallery processing mouth (24) offers and to screw togather with described outer straight thread, and the outer of described main oil gallery processing mouth (24) offers the second tapered portion (25) extended out, described first tapered portion (22) and described second tapered portion (25) fit.
2. oil channel sealing assembly according to claim 1, is characterized in that, described predetermined radial distance is 1mm.
3. oil channel sealing assembly according to claim 1, is characterized in that, the conical surface length (H2) of described first tapered portion is greater than the conical surface length (H1) of described second tapered portion.
4. oil channel sealing assembly according to claim 1, is characterized in that, the conical surface length (H1) of described second tapered portion is greater than or equal to 1mm.
5. oil channel sealing assembly according to claim 1, is characterized in that, the frustoconical bevel angle (a2) of described first tapered portion equals the frustoconical bevel angle (a1) of described second tapered portion.
6. an engine lubrication system, comprise and be opened in main oil gallery (40) on engine cylinder-body (30) and branch road oil duct (23), main oil gallery processing mouth place is provided with oil channel sealing assembly, it is characterized in that, described oil channel sealing assembly is the engine lubrication system as described in any one of claim 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420380721.5U CN204060847U (en) | 2014-07-10 | 2014-07-10 | A kind of engine lubrication system and oil channel sealing assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420380721.5U CN204060847U (en) | 2014-07-10 | 2014-07-10 | A kind of engine lubrication system and oil channel sealing assembly thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204060847U true CN204060847U (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420380721.5U Expired - Fee Related CN204060847U (en) | 2014-07-10 | 2014-07-10 | A kind of engine lubrication system and oil channel sealing assembly thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN204060847U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121058A (en) * | 2014-07-10 | 2014-10-29 | 安徽江淮汽车股份有限公司 | Engine lubrication system and oil duct seal assembly thereof |
-
2014
- 2014-07-10 CN CN201420380721.5U patent/CN204060847U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121058A (en) * | 2014-07-10 | 2014-10-29 | 安徽江淮汽车股份有限公司 | Engine lubrication system and oil duct seal assembly thereof |
| CN104121058B (en) * | 2014-07-10 | 2018-07-20 | 安徽江淮汽车集团股份有限公司 | A kind of engine lubrication system and its oil channel sealing component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20190710 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |