CN102909544B - Engine water blocking hole expanding sealing method and device - Google Patents
Engine water blocking hole expanding sealing method and device Download PDFInfo
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- CN102909544B CN102909544B CN201110223799.7A CN201110223799A CN102909544B CN 102909544 B CN102909544 B CN 102909544B CN 201110223799 A CN201110223799 A CN 201110223799A CN 102909544 B CN102909544 B CN 102909544B
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- expanded joint
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Abstract
The invention discloses an engine water blocking hole expanding sealing method and a device used in the method. The method is characterized in that the inner surface of a water blocking hole is provided with an annular groove along the circumferential direction, then a bowl-shaped patch is sleeved on a limiting tool, the limiting tool presses the bowl-shaped patch into the water blocking hole, the end surface of a tail part of the bowl-shaped patch is located within the width range of the annular groove, then the limiting tool is taken out, a head part of an expanding tool is plugged into the bowl-shaped patch, the expanding tool is started so as to expand the head part, the tail end of the bowl-shaped patch is expanded and clamped into the annular groove, and finally the head part of the expanding tool is restored and separated from the bowl-shaped patch. Due to adopting the engine water blocking hole expanding sealing method and the device, not only is the seal of the water blocking hole of an engine more reliable, but also the tools used in the method are convenient to use, and the method is easily applied to the production workshops.
Description
Technical field
The present invention relates to engine mechanical technical field, relate to a kind of method for the sealing of engine water plug-hole expanded joint and device in particular.
Background technology
All the time, most of engine, to the Sealing Technology requirement in water blocking hole, is only confined to smear fluid sealant in finished water blocking hole, and then bowl-type patch is pressed onto in water blocking hole, ensure water blocking hole sealing with this.For some big-block engine, the pressure in water cooling box is comparatively large, and therefore adopt above-mentioned encapsulating method easily to cause bowl-type patch to be deviate from, sealing is difficult to be protected, and there is larger hidden danger.
Summary of the invention
An object of the present invention is that the method processes one cannelure at water blocking internal surface of hole, the tail end of bowl-type patch is expanded and is stuck in this cannelure, to reach better sealing effectiveness in order to provide a kind of engine water plug-hole expanded joint encapsulating method;
Another object of the present invention is to provide a kind of limiting tool realizing above-mentioned engine water plug-hole expanded joint encapsulating method, this limiting tool is by the water blocking hole of bowl-type patch press-in engine, and make the tail end of bowl-type patch in the scope of cannelure, for next step expanded joint operation is prepared;
A further object of the invention is to provide a kind of expanded joint frock realizing above-mentioned engine water plug-hole expanded joint encapsulating method, and the tail end of bowl-type patch swells and makes it tightly be stuck in cannelure by this expanded joint frock, to realize the object sealing water blocking hole.
The present invention adopts following technical scheme to realize above-mentioned purpose: a kind of engine water plug-hole expanded joint encapsulating method, at water blocking internal surface of hole, a cannelure is set along its circumferencial direction, then bowl-type patch is enclosed within limiting tool, by this limiting tool, bowl-type patch is pressed into water blocking hole make the end face of bowl-type patch afterbody be positioned at the scope of annular groove width, then take out limiting tool and the head of expanded joint frock is inserted in bowl-type patch, starting expanded joint frock makes its head swell, and then the tail end of bowl-type patch swollen and is connected in cannelure, finally make expanded joint frock head restore to the original state again and depart from the expanded joint sealing that this bowl-type patch can complete engine water plug-hole.
Further illustrating as such scheme:
Preferably, described bowl-type patch is metal material, and this bowl-type patch is interference fit or interference fits with coordinating of this water blocking hole.
Preferably, the cross section of described cannelure is wedge shape, and the domatic of this cannelure coordinates with the outer surface of this bowl-type patch tail end, and the vertical plane of this cannelure is near water blocking outer end of hole face.
Preferably, described water blocking internal surface of hole or bowl-type patch outer surface scribble sealing glue.
A kind of limiting tool for above-mentioned engine water plug-hole expanded joint encapsulating method, this limiting tool is a thin ends and thick middle multidiameter structure, its one end is the head for being socketed bowl-type patch, and the other end is handle, and middle thicker part position is the block for locating; The diameter of this head is less than the internal diameter of bowl-type patch, the length of this head is more than or equal to the degree of depth and the ring slot outside distance water blocking hole counterbore end face distance sum of bowl-type patch, is less than or equal to the degree of depth of bowl-type patch, the width of cannelure, ring slot outside distance water blocking hole this three's sum of counterbore end face distance; The diameter of this block is greater than the internal diameter that water blocking hole internal diameter is less than or equal to the counterbore in water blocking hole.
A kind of expanded joint frock for above-mentioned engine water plug-hole expanded joint encapsulating method, include swollen cylinder and be coaxially arranged on the axis of cone in this swollen cylinder, this is swollen, and cylinder is the tubular structure that head diameter is less than bowl-type patch internal diameter, this is swollen, and cylinder head inner surface is the conical surface, annular boss is provided with along its circumferencial direction at the outer surface of this swollen cylinder head, the external diameter of this annular boss is less than or equal to the internal diameter of bowl-type patch, this annular boss difference that inner side and the distance of swollen cylinder head end are more than or equal to the bowl-type patch degree of depth and annular boss width is less than or equal to the bowl-type patch degree of depth and annular boss width sum, by the strip gab being evenly provided with more than three in the middle part of it to head end along swollen cylinder axis direction on this swollen cylinder, swollen cylinder head is made to form chip type spring chuck structure, the shaft-like structure of this axis of cone to be head exterior surface be inverted cone surface, the inverted cone surface of this axis of cone head and the conical surface corresponding matching of swollen cylinder head inner surface, when the axis of cone moves to swollen cylinder afterbody, swollen cylinder head swells by the extruding of axis of cone head, when after axis of cone homing, swollen cylinder head regracting nature.
Further illustrating as such scheme:
Preferably, the cross section of described annular boss is the rectangle corresponding with the cannelure in water blocking hole or wedge shape.
Preferably, the described axis of cone is provided with the stopping means that the restriction axis of cone moves axially, this stopping means includes the block be arranged in the middle part of the axis of cone and the swivel nut be enclosed within the axis of cone, and this swivel nut outer surface is threaded with swollen cylinder afterbody inner surface, and this block maximum gauge is greater than the internal diameter of swivel nut.
Preferably, described swollen cylinder afterbody is connected with power set, these power set are hollow piston rod oil cylinder or hollow piston rod cylinder, this is swollen, and cylinder is coaxially connected on the cylinder body of power set by connecting ring, the described axis of cone is passed the hollow piston rod of these power set and is fixedly connected with this hollow piston rod, this connecting ring is the flange-like structure being provided with screw via hole, this connecting ring inner surface is connected by internal and external threads with swollen cylinder trailing exterior surface, and this connecting ring is by being connected on the cylinder body of power set through the screw of its screw via hole.
Preferably, described swivel nut afterbody is connected with locking nut.
The beneficial effect that the present invention adopts above technical scheme to reach is: engine water plug-hole expanded joint encapsulating method of the present invention and device, not only make the sealing of engine water plug-hole more reliable, and easy to use for the frock of the method, make this method easily be applied to workshop.
Accompanying drawing explanation
Fig. 1 is the structural representation of engine water plug-hole involved in the present invention;
Fig. 2 is the water blocking pore structure schematic diagram after adopting the sealing of the method for the invention expanded joint;
Fig. 3 is that limiting tool of the present invention is by the structural representation in bowl-type patch press-in water blocking hole;
Fig. 4 is the structural representation of expanded joint frock of the present invention;
Fig. 5 is the partial schematic sectional view of expanded joint frock of the present invention;
Fig. 6 is the partial enlarged drawing A of Fig. 5;
Fig. 7 is the hydraulic system principle figure of hollow piston rod oil cylinder involved in the present invention.
Description of reference numerals:
1-water blocking hole inwall, 2-cannelure, 3-counterbore, 4-bowl-type patch, 5-limiting tool, 6-limiting tool head, 7-handle, 8-block, 9-hollow piston rod oil cylinder, 10-connecting ring, 11-is swollen cylinder, 12-protecting cover, 13-lever, 14-strip gab, the 15-axis of cone, 16-is swollen cylinder head, 17-axis of cone head, 18-back-up ring, 19-swivel nut, 20-locking nut, 21-hexagon thin nut, 22-annular boss, the public snap joint of 23-, the female snap joint of 24-, 25-reducer union, 26-high-pressure hose, 27-air-driven hydraulic pump.
Detailed description of the invention
For setting forth 26S Proteasome Structure and Function of the present invention further, below in conjunction with accompanying drawing and preferred embodiment, the present invention is elaborated, but be to be understood that protection scope of the present invention not by the restriction of detailed description of the invention.
The invention discloses a kind of expanded joint encapsulating method of engine water plug-hole, in accompanying drawing, Fig. 1 to Fig. 3 contributes to understanding the method for the invention, wherein Fig. 1 is the structural representation in the water blocking hole involved by this method, as shown in FIG., counterbore 3 is provided with in water blocking bore ends, be processed with cannelure 2 at water blocking hole inwall 1 near the position of end, the cross section of this cannelure 2 is wedge shape, Fig. 2 be with bowl-type patch 4 expanded joint sealing water blocking hole after structural representation, the bowl-type patch 4 in figure adopt metal material and with water blocking hole interference fit, Fig. 3 adopts limiting tool 5 that bowl-type patch 4 is pressed into water blocking hole and the structural representation be located, as shown in FIG., this limiting tool 5 is a thin ends and thick middle multidiameter structure, middle thicker part position is the block 8 for locating, the part of socket bowl-type patch 4 is limiting tool head 6, the other end is handle 7, the diameter of this limiting tool head 6 is less than the internal diameter of bowl-type patch 4, to prevent from being bitten by bowl-type patch 4 during press-in bowl-type patch 4, the length of this limiting tool head 6 is slightly larger than the distance sum apart from counterbore 3 end face outside the degree of depth of bowl-type patch 4 and cannelure 2, cannelure 2 width range is positioned to make bowl-type patch 4 end, the diameter of this block 8 is slightly less than the internal diameter of the counterbore 3 in water blocking hole, for locating with counterbore 3 end contact, ensure bowl-type patch 4 compression distance.
The detailed description of the invention of expanded joint encapsulating method of the present invention is, first process along its circumferencial direction the cannelure 2 that a cross section is wedge shape at engine water plug-hole inwall 1, then the bowl-type patch 4 with water blocking hole interference fit is enclosed within limiting tool head 6, the handle 7 of limiting tool 5 is beaten gently with instrument, bowl-type patch 4 is pressed into water blocking hole, spacing with the end contact of water blocking hole counterbore 3 by the block 8 of limiting tool 5, to ensure to compress into the degree of depth, the end face of bowl-type patch 4 afterbody is made to be positioned at the width range of cannelure 2, then take out limiting tool 5 and the head of expanded joint frock is inserted in bowl-type patch 4, starting expanded joint frock makes its head swell, and then the tail end of bowl-type patch 4 is swollen, now continue to keep this expanded joint state about 15 seconds, make bowl-type patch 4 that plastic deformation occur, bowl-type patch 4 can be made like this to be connected in cannelure 2 firmly, finally close expanded joint frock again to take out from water blocking hole.In the method, also before press-in bowl-type patch 4, sealing glue can be coated at water blocking hole inwall 1, but not be coated with sealing glue and do not affect sealing effectiveness.
Fig. 4 to Fig. 7 relates generally to expanded joint frock of the present invention, wherein Fig. 4 and Fig. 5 is respectively schematic perspective view and the partial schematic sectional view of this expanded joint frock, as shown in FIG., this expanded joint frock comprises swollen cylinder 11, the axis of cone 15, connecting ring 10, hollow piston rod oil cylinder 9, protecting cover 12 and lever 13, this is swollen cylinder 11 is less than the tubular structure of bowl-type patch 4 internal diameter for head diameter, this is swollen, and cylinder head 16 inner surface is the conical surface, by the strip gab 14 being evenly provided with more than three in the middle part of it to head end along swollen cylinder 11 axis direction on this swollen cylinder 11, swollen cylinder head 16 is made to form chip type spring chuck structure, this axis of cone 15 is coaxially be arranged on the shaft-like structure in this swollen cylinder 11, and the head exterior surface of this axis of cone 15 is the inverted cone surface coordinated with swollen cylinder head 16, when the axis of cone 15 moves to swollen cylinder 11 afterbody, swollen cylinder head 16 can because swell by the extruding of axis of cone head 17, when after the axis of cone 15 homing, swollen cylinder head 16 regracting nature, this connecting ring 10 is for being provided with the flange-like structure of screw via hole, this connecting ring 10 inner surface is connected by internal and external threads with swollen cylinder 11 trailing exterior surface, through the screw via hole on connecting ring 10, connecting ring 10 and swollen cylinder 11 are coaxially connected on hollow piston rod oil cylinder 9 with screw again, are provided with protecting cover 12 at the other end of hollow piston rod oil cylinder 9 and are arranged on the lever 13 on this protecting cover 12.
This axis of cone 15 afterbody is provided with external screw thread, when swollen cylinder 11 being connected on hollow piston rod oil cylinder 9 by connecting ring 10, the afterbody of this axis of cone 15 is through hollow piston rod, and tighten spacing with hexagon thin nut 21 spiral shell, the axis of cone 15 landing forward during to prevent off working state, meanwhile, during in order to prevent duty, the axis of cone 15 backward displacement is excessive, between the axis of cone 15 and swollen cylinder 11 afterbody, be also provided with stopping means.This stopping means comprises the back-up ring 18 be arranged in the axis of cone 15 and the swivel nut 19 being connected to swollen cylinder 11 afterbody, this back-up ring 18 is for being arranged on the circle boss in the axis of cone 15, the position of this back-up ring 18 is between axis of cone head 17 and swollen cylinder 11 afterbody, this swivel nut 19 is for being provided with externally threaded tubular structure, this swivel nut 19 and the axis of cone 15 matched in clearance, internal thread is provided with at swollen cylinder 11 afterbody inner surface, this swivel nut 19 is connected to swollen cylinder 11 afterbody by internal and external threads, the internal diameter of this swivel nut 19 is less than the external diameter of back-up ring 18, therefore, the distance of the axis of cone 15 movement backward can be limited by rotating swivel nut 19.In addition, be also connected with a locking nut 20 at swivel nut 19 afterbody, loosen in order to prevent swivel nut 19.
In order to bowl-type patch 4 expanded joint enters in cannelure 2 by more convenient swollen cylinder head 16, a circle annular boss 22 is provided with along its circumferencial direction at swollen cylinder head 16 outer surface, concrete shape and the relative position relation of this annular boss 22 refer to Fig. 6, Fig. 6 is the partial enlarged drawing A of Fig. 5, as shown in FIG., the rectangular in cross-section of this annular boss 22, the external diameter of this annular boss 22 is slightly less than the internal diameter of bowl-type patch 4, be the degree of depth of bowl-type patch 4 apart from the distance of swollen cylinder head 16 end face in the middle part of this annular boss 22, can ensure that bowl-type patch 4 tail end is in the width range of annular boss 22 like this, when swollen cylinder head 16 swells, bowl-type patch 4 afterbody expanded joint can enter in cannelure 2 by annular boss 22.
Fig. 7 is the hydraulic system principle figure of the hollow piston rod oil cylinder 9 of expanded joint frock, as shown in FIG., this hollow piston rod oil cylinder 9 is connected with air-driven hydraulic pump 27 with high-pressure hose 26 by the male snap joint of Hydraulic Elements 23, female snap joint 24, reducer union 25, is controlled the action of oil cylinder by this air-driven hydraulic pump 27.
Expanded joint frock of the present invention is when carrying out expanded joint operation, swollen cylinder head 16 is injected bowl-type patch, now annular boss 22 is positioned at Bowl Plug sheet afterbody, open air-driven hydraulic pump 27, hollow piston rod oil cylinder 9 is the axial drawing axis of cone 15 backward, masterpiece is used for swollen cylinder head 16 by the axis of cone 15 makes it strut, and then by bowl-type patch expanded joint in water blocking hole cannelure 2, now the back-up ring 18 of the axis of cone 15 is motionless with swivel nut 19 end contact, continue to keep this expanded joint state about 15 seconds, make bowl-type patch 4 that plastic deformation occur, then air-driven hydraulic pump 27 is unclamped, take out swollen cylinder 11, expanded joint can be completed.
Be only one of present pre-ferred embodiments shown in the above embodiment of the present invention and accompanying drawing, can not limit to the present invention with this, under the condition not departing from marrow of the present invention, any variation that those skilled in the art do, all belongs to protection scope of the present invention.
Claims (10)
1. an engine water plug-hole expanded joint encapsulating method, it is characterized in that, at water blocking internal surface of hole, a cannelure is set along its circumferencial direction, then bowl-type patch is enclosed within limiting tool, by this limiting tool, bowl-type patch is pressed into water blocking hole make the end face of bowl-type patch afterbody be positioned at the width range of cannelure, then take out limiting tool and the head of expanded joint frock is inserted in bowl-type patch, starting expanded joint frock makes its head swell, the tail end of bowl-type patch is swollen and is connected in cannelure, finally make expanded joint frock head restore to the original state again and depart from this bowl-type patch.
2. engine water plug-hole expanded joint encapsulating method according to claim 1, it is characterized in that, described bowl-type patch is metal material, and this bowl-type patch is interference fit or interference fits with coordinating of this water blocking hole.
3. engine water plug-hole expanded joint encapsulating method according to claim 1 and 2, it is characterized in that, the cross section of described cannelure is wedge shape, and the domatic of this cannelure coordinates with the outer surface of this bowl-type patch tail end, and the vertical plane of this cannelure is near water blocking outer end of hole face.
4. engine water plug-hole expanded joint encapsulating method according to claim 3, is characterized in that, described water blocking internal surface of hole or bowl-type patch outer surface scribble sealing glue.
5. the limiting tool for the arbitrary described engine water plug-hole expanded joint encapsulating method of Claims 1-4, this limiting tool is a thin ends and thick middle multidiameter structure, its one end is the head for being socketed bowl-type patch, the other end is handle, and middle thicker part position is the block for locating; The diameter of this head is less than the internal diameter of bowl-type patch, the length of this head is more than or equal to the degree of depth and the ring slot outside distance water blocking hole counterbore end face distance sum of bowl-type patch, is less than or equal to the degree of depth of bowl-type patch, the width of cannelure, ring slot outside distance water blocking hole this three's sum of counterbore end face distance; The diameter of this block is greater than the internal diameter that water blocking hole internal diameter is less than or equal to the counterbore in water blocking hole.
6. the expanded joint frock for the arbitrary described engine water plug-hole expanded joint encapsulating method of Claims 1-4, it is characterized in that, include swollen cylinder and be coaxially arranged on the axis of cone in this swollen cylinder, this is swollen, and cylinder is the tubular structure that head diameter is less than bowl-type patch internal diameter, this is swollen, and cylinder head inner surface is the conical surface, annular boss is provided with along its circumferencial direction at the outer surface of this swollen cylinder head, the external diameter of this annular boss is less than or equal to the internal diameter of bowl-type patch, this annular boss difference that inner side and the distance of swollen cylinder head end are more than or equal to the bowl-type patch degree of depth and annular boss width is less than or equal to the bowl-type patch degree of depth and annular boss width sum, by the strip gab being evenly provided with more than three in the middle part of it to head end along swollen cylinder axis direction on this swollen cylinder, swollen cylinder head is made to form chip type spring chuck structure, shaft-like structure, the inverted cone surface of this axis of cone head and the conical surface corresponding matching of swollen cylinder head inner surface of this axis of cone to be head exterior surface be inverted cone surface.
7. the expanded joint frock for engine water plug-hole expanded joint encapsulating method according to claim 6, is characterized in that, the cross section of described annular boss is the rectangle corresponding with water blocking hole cannelure or wedge shape.
8. the expanded joint frock for engine water plug-hole expanded joint encapsulating method according to claim 6 or 7, it is characterized in that, the described axis of cone is provided with the stopping means that the restriction axis of cone moves axially, this stopping means includes the block be arranged in the middle part of the axis of cone and the swivel nut be enclosed within the axis of cone, this swivel nut outer surface is threaded with swollen cylinder afterbody inner surface, and this block maximum gauge is greater than the internal diameter of swivel nut.
9. the expanded joint frock for engine water plug-hole expanded joint encapsulating method according to claim 8, it is characterized in that, described swollen cylinder afterbody is connected with power set, these power set are hollow piston rod oil cylinder or hollow piston rod cylinder, this is swollen, and cylinder is coaxially connected on the cylinder body of power set by connecting ring, the described axis of cone is passed the hollow piston rod of these power set and is fixedly connected with this hollow piston rod, this connecting ring is the flange-like structure being provided with screw via hole, this connecting ring inner surface is connected by internal and external threads with swollen cylinder trailing exterior surface, this connecting ring is by being connected on the cylinder body of power set through the screw of its screw via hole.
10. the expanded joint frock for engine water plug-hole expanded joint encapsulating method according to claim 8, is characterized in that, described swivel nut afterbody is connected with locking nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110223799.7A CN102909544B (en) | 2011-08-05 | 2011-08-05 | Engine water blocking hole expanding sealing method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110223799.7A CN102909544B (en) | 2011-08-05 | 2011-08-05 | Engine water blocking hole expanding sealing method and device |
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| Publication Number | Publication Date |
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| CN102909544A CN102909544A (en) | 2013-02-06 |
| CN102909544B true CN102909544B (en) | 2015-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110223799.7A Active CN102909544B (en) | 2011-08-05 | 2011-08-05 | Engine water blocking hole expanding sealing method and device |
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| CN (1) | CN102909544B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107139131A (en) * | 2017-07-07 | 2017-09-08 | 广西玉柴机器股份有限公司 | A kind of Bowl Plug installation tool of oblique oil duct |
| CN109530651A (en) * | 2018-10-09 | 2019-03-29 | 广州市型腔模具制造有限公司 | Mold parting surface hanging ring hole plugging structure |
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| CN2714819Y (en) * | 2004-02-11 | 2005-08-03 | 赵全祥 | Water block of engine |
| CN201559160U (en) * | 2009-12-02 | 2010-08-25 | 广西玉柴机器股份有限公司 | Bowl-shaped plug piece assembling tool of engine |
| CN102049998A (en) * | 2010-12-17 | 2011-05-11 | 哈尔滨东安实业发展有限公司 | Preparation method of hydraulic shock pad device |
| CN202200007U (en) * | 2011-08-05 | 2012-04-25 | 广西玉柴机器股份有限公司 | Expanded joint tool for water plugging hole of engine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06336911A (en) * | 1993-05-27 | 1994-12-06 | Toyota Autom Loom Works Ltd | Lubricating oil separating device and gasket therewith |
| JP2010242977A (en) * | 2010-07-20 | 2010-10-28 | Taiho Kogyo Co Ltd | Metal gasket |
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2011
- 2011-08-05 CN CN201110223799.7A patent/CN102909544B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2714819Y (en) * | 2004-02-11 | 2005-08-03 | 赵全祥 | Water block of engine |
| CN201559160U (en) * | 2009-12-02 | 2010-08-25 | 广西玉柴机器股份有限公司 | Bowl-shaped plug piece assembling tool of engine |
| CN102049998A (en) * | 2010-12-17 | 2011-05-11 | 哈尔滨东安实业发展有限公司 | Preparation method of hydraulic shock pad device |
| CN202200007U (en) * | 2011-08-05 | 2012-04-25 | 广西玉柴机器股份有限公司 | Expanded joint tool for water plugging hole of engine |
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