CN204321579U - Hole sealing ring assembly tooling - Google Patents
Hole sealing ring assembly tooling Download PDFInfo
- Publication number
- CN204321579U CN204321579U CN201420681786.3U CN201420681786U CN204321579U CN 204321579 U CN204321579 U CN 204321579U CN 201420681786 U CN201420681786 U CN 201420681786U CN 204321579 U CN204321579 U CN 204321579U
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- CN
- China
- Prior art keywords
- mandrel
- sealing ring
- sleeve
- bottom outlet
- mounting table
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- Expired - Fee Related
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Abstract
The utility model discloses the sealing ring assembly tooling of a kind of hole, the diameter of load segment be greater than the section of clamping diameter thus at both junction forming station terraces, the length of mandrel is greater than the length of cylinder head lining bottom outlet, mandrel outer surface is in the middle equipped with mounting table, gap between the external diameter of mounting table and lining bottom outlet epimere internal diameter is less than the diameter of section of sealing ring, and the distance between mounting table upper surface and load segment bottom surface equals the distance between groove lower surface and lining bottom outlet hypomere upper surface; Mandrel top is set with sleeve, mandrel outer surface is provided with guide protrusions, the height of guide protrusions protrusion mandrel surface is less than the difference of lining bottom outlet epimere radius and mandrel radius, sleeve offers the strip hole corresponding with guide protrusions from bottom to top, distance when sleeve comes downwards to lower limit along guide protrusions between sleeve lower surface and mounting table upper surface equals the distance between groove upper surface and groove lower surface, and the external diameter of sleeve is less than the internal diameter of cylinder head bottom outlet epimere.
Description
Technical field
The utility model relates to the sealing ring assembly tooling of a kind of hole.
Background technology
Before to cylinder cover for diesel engine assembling lining, for ensureing sealing effectiveness, O shape rubber seal must be assembled in lining bottom outlet groove.As shown in Figure 1, groove 4 is positioned at lining bottom outlet certain depth place, and sealing ring 3 must be assembled in groove 4 from the large end of bottom outlet after lubricated, requires that sealing circle assembling process fast, accurately, and does not allow to damage or scratch sealing ring, ensure sealing effectiveness.The difficulty faced in actual production has: the first, because lining bottom outlet 9 aperture is less, assembles sealing ring operating space limited, and be not easy to O&E to the groove being positioned at certain depth; The second, sealing ring belongs to finding assembling, and needs through lubricated before having certain elasticity, assembling, adds time and the difficulty of assembling; 3rd, the external diameter of sealing ring is greater than the internal diameter of lining bottom outlet, and in assembling process, sealing ring beard and hair is given birth to elastic deformation and easily occurs twisted phenomena; 4th, Bottom bore portion and the lining bottom outlet epimere 92 on groove top have phase perforation 6 to exist, and the seamed edge at the place of passing through easily scratches sealing ring mutually, causes leakage hidden danger.
In prior art, solution of the above problems is the pure hand assembled sealing ring of operator, and concrete assembly method is: the first step, with hand, the sealing ring of lubricated is placed on lining bottom outlet aperture place, and keeps certain bias with aperture; Second step, press...withes one's finger and pushes down inside sealing ring, againsts bottom outlet inwall slide downward, until landing is in groove; 3rd step, is pushed into the another side of sealing ring downwards in groove; 4th step, is pushed into the two side portions of sealing ring downwards in groove; 5th step, encloses with finger sideway swivel one in sealing ring, checks whether sealing ring falls in groove completely by feel; 6th step, from aperture visual examination, reaffirms whether sealing ring assembling puts in place.
Because the external diameter of sealing ring is larger than lining bottom outlet internal diameter, and have certain elasticity, in limited operating space (lining bottom diameter is less than 28mm) assemble in the groove (deeply about 42mm) of certain depth, not easy to operate, complex steps, inefficiency; Because about 5mm to the 25mm place, below of groove is one section of water channel cavity, sealing ring very easily falls into this chamber portion when against bottom outlet inwall slide downward, need take out and ressemble, extend the productive temp of this operation with instrument; Sealing ring, when slide downward, need press...with one's finger and push down inside sealing ring, addition of the radial load that is deviated from the center of circle to sealing ring, when streaking the seamed edge of phase perforation in lining bottom outlet, easy scuffing sealing ring, shortens the service life of sealing ring, causes the leakage hidden danger of diesel engine; Owing to non-homogeneously to fall in groove in sealing ring assembling process, but four points at about 90 °, interval are first pushed in groove respectively, then are pushed at all the other positions, easily cause the torsional deformation of sealing ring; When being seated with finger push sealing ring landing and checking whether, be ensure feel and cleannes, cannot wear gloves operation, the easy scratching fingers of the seamed edge of phase perforation in lining bottom outlet, causes the personal safety hidden danger of operator; Due to supreme lower limit, sealing ring very easily occurs assembling situation not in place, needs 100% feel and visual examination, adds labor hour; Existing pure hand assembled method inefficiency, productive temp is long, does over again, repair rate is higher, comprehensively cause the increase of production cost.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of simple, quick hole sealing ring assembly tooling of installing sealing ring in hole.
For solving the problems of the technologies described above, the utility model comprises by load segment and can snap in the mandrel that the section of clamping in cylinder head lining bottom outlet hypomere forms under being connected to load segment, the diameter of described load segment be greater than the section of clamping diameter thus at both junction forming station terraces, the length of described mandrel is greater than the length of cylinder head lining bottom outlet, described mandrel outer surface is in the middle equipped with mounting table, gap between the external diameter of described mounting table and lining bottom outlet epimere internal diameter is less than the diameter of section of sealing ring, distance between described mounting table upper surface and load segment bottom surface equals the distance between groove lower surface and lining bottom outlet hypomere upper surface, described mandrel top is set with the sleeve that can slide up and down along mandrel, described mandrel is axially arranged with guide protrusions at the outer surface on mounting table top along mandrel, the height of described guide protrusions protrusion mandrel surface is less than the difference of lining bottom outlet epimere radius and mandrel radius, described sleeve offers the strip hole corresponding with guide protrusions from bottom to top, distance when described sleeve comes downwards to lower limit along guide protrusions between sleeve lower surface and mounting table upper surface equals the distance between groove upper surface and groove lower surface, the external diameter of described sleeve is less than the internal diameter of cylinder head bottom outlet epimere.
The top of described sleeve is provided with rounded pressing plate.
Described mandrel is hollow structure.
The outer surface of described mandrel upper end is provided with anti-slip veins.
Described mandrel arranges circular arc chamfering on the top of mounting table and mandrel junction, the corresponding circular arc chamfering of inner surface of described sleeve bottom arranges chamfered region, when making sleeve come downwards to lower limit, sleeve interior surface and mandrel arrange between circular arc chamfering place and leave gap, and this gap is less than the radius of sealing ring.
After adopting said structure, the utility model achieves hole sealing ring by pure hand assembled to the transformation using special tooling to carry out standard assemblied operation, and the utility model structure is simple, easy to use, the utility model thoroughly solves that sealing ring assembling existing for original assembly method is not in place, sealing ring drops, scratch sealing ring, scratch operator and reprocess, problem that rework rate is high, greatly reduce production cost.
Accompanying drawing explanation
Below in conjunction with the drawings and the specific embodiments, the utility model is described in further detail:
Fig. 1 is the structural representation that sealing ring is assemblied in cylinder head lining bottom outlet;
Fig. 2 is structural representation of the present utility model;
Fig. 3 is assembling schematic diagram of the present utility model;
First step schematic diagram when Fig. 4 is the utility model use;
Second step schematic diagram when Fig. 5 is the utility model use;
Third step schematic diagram when Fig. 6 is the utility model use.
Detailed description of the invention
As shown in Figures 2 and 3, hole sealing ring assembly tooling comprises the mandrel 7 of hollow, mandrel 7 hollow design can reduce deadweight of the present utility model, the outer surface of mandrel 7 upper end is provided with anti-slip veins 76, mandrel 7 is by load segment 71 and be connected to the section of clamping 72 that load segment can snap in for 71 times in cylinder head lining bottom outlet hypomere 91 and form, the diameter of load segment 71 be greater than the section of clamping 72 diameter thus at both junction forming station terraces, during use, step surface is just in time stuck in the upper surface of lining bottom outlet hypomere 91 thus carries out spacing to mandrel 7, the length of mandrel 7 is greater than the length of cylinder head lining bottom outlet 9, when ensureing to use, lining bottom outlet 9 is stretched out in mandrel 7 upper end.Mandrel 7 outer surface is in the middle equipped with mounting table 73, gap between the external diameter of mounting table 73 and lining bottom outlet epimere 92 internal diameter is less than the diameter of section of sealing ring, in the present embodiment, sealing ring diameter of section is about 2.1mm, the difference of the diameter of lining bottom outlet epimere 92 internal diameter and mounting table 73 is about 1.2mm, prevent sealing ring from falling into lining bottom outlet or clamp-oning gap, distance between mounting table 73 upper surface and load segment 71 bottom surface equals the distance between groove lower surface and lining bottom outlet hypomere 91 upper surface, namely after mandrel 7 inserts lining bottom outlet, the mandrel section of clamping 72 is stuck in lining bottom outlet hypomere, now the upper surface of mounting table 73 is concordant with the lower surface of groove 4.Mandrel 7 arranges circular arc chamfering 75 at mounting table 73 and the top of mandrel 7 junction, and this circular arc is convenient to slip into smoothly in groove 4 when sealing ring press-fits.
Mandrel 7 top is set with the sleeve 2 that can slide up and down along mandrel 7, the external diameter of sleeve 2 is less than the internal diameter of cylinder head bottom outlet epimere, in the present embodiment, the internal diameter of lining bottom outlet epimere 92 and the difference of sleeve 2 external diameter are 0.4mm, mandrel 7 is axially arranged with guide protrusions 74 at the outer surface on mounting table 73 top along mandrel 7, the height that guide protrusions 74 protrudes mandrel 7 surface is less than the difference of lining bottom outlet epimere 92 radius and mandrel 7 radius, the height that during actual fabrication, guide protrusions 74 protrudes mandrel 7 surface is slightly less than the difference of lining bottom outlet epimere 92 radius and mandrel 7 radius, the width of guide protrusions 74 is about 1/7th of lining bottom diameter, sleeve 2 offers the strip hole 81 corresponding with guide protrusions 74 from bottom to top, distance when sleeve 2 comes downwards to lower limit along guide protrusions 74 between sleeve 2 lower surface and mounting table 73 upper surface equals the distance between groove upper surface and groove lower surface, the opening degree of depth of strip hole 81 and the upper surface height of guide protrusions 74 pass through appropriate design, after making it fit the lower surface of sleeve 2 and the upper surface of groove concordant, thus ensure the accurate of sealing ring rigging position.The top of sleeve 2 is provided with rounded pressing plate 10, easy to use.Because mandrel 7 surface arranges circular arc chamfering, so the inner surface of sleeve bottom also correspondence must arrange chamfered region, sleeve is prevented to be stuck in mandrel circular arc chamfering place, when sleeve comes downwards to lower limit, sleeve interior surface and mandrel arrange between circular arc chamfering place and leave gap, this gap is less than the radius of sealing ring, and when preventing sleeve descending, sealing ring is stuck between the two.
Use step is as follows: as shown in Figure 4, and be manually inserted in mandrel 7 from upper end by the sealing ring after lubrication, and tiltedly put sealing ring 3, make the below being attached to mandrel 7 guide protrusions 74 that it is low, high another side is attached on mandrel 7, and pins with hand; As shown in Figure 5, the mandrel 7 installing sealing ring 3 is put into the lining bottom outlet of cylinder head; As shown in Figure 6, be enclosed within by sleeve 2 on mandrel 7, led by guide protrusions 74 with coordinating of strip hole 81, the pressing plate on pressing sleeve 2 top, until strip hole 81 is fitted with the upper plane of guide protrusions 74, completes the assembling of sealing ring 3; Take out sleeve 2 and mandrel 7, start the assembling of next part.
The utility model has the following advantages: it is made up of two parts, and structure is simple, and only three steps can complete assembling, easy to use; Because mandrel 7 is provided with mounting table 73, mounting table 73 is less with the gap of lining bottom outlet, thoroughly avoids the situation that sealing ring 3 falls into bottom water channel cavity; Sealing ring 3 is when slide downward, only be subject to the axial force from upper square socket 2, additional back is not from the radial load in the center of circle, when streaking the seamed edge of phase perforation in lining bottom outlet, be not easy to damage sealing ring 3, thus ensure that service life and the sealing effectiveness of sealing ring 3, reduce the slip of cylinder head; Uniform force in sealing ring 3 assembling process, each position can fall into groove simultaneously, and can not be distorted distortion; In whole assembling process, operator only in the peripheral operation of lining bottom outlet, need will not point and stretch into lining bottom outlet mounted inside and inspection, thoroughly avoid the situation of scratching fingers, ensure personal safety; According to the position of groove, this frock, when fitting tight circle 3, has function spacing up and down, can guarantee rigging position accurately and reliably, and after having assembled, the process of taking out mandrel 7 is exactly check the process whether be seated, touch and visual examination without the need to extra hand, reduce labor hour; Use this frock fitting tight circle 3, operating efficiency is high, and productive temp is short, does over again, repair rate is low, greatly can reduce production cost.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model.Previous embodiment has been described in detail the utility model, and for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.In every case, within inventive concept scope of the present utility model, any amendment made, equivalent replacement, improvement etc., be all included within protection domain of the present utility model.
Claims (5)
1. a hole sealing ring assembly tooling, it is characterized in that comprising by load segment (71) and the mandrel (7) that the section of clamping (72) in cylinder head lining bottom outlet hypomere forms under being connected to load segment (71), can be snapped in, the diameter of described load segment (71) be greater than the section of clamping (72) diameter thus at both junction forming station terraces, the length of described mandrel (7) is greater than the length of cylinder head lining bottom outlet, described mandrel (7) outer surface is in the middle equipped with mounting table (73), gap between the external diameter of described mounting table (73) and lining bottom outlet epimere internal diameter is less than the diameter of section of sealing ring, distance between described mounting table (73) upper surface and load segment (71) bottom surface equals the distance between groove lower surface and lining bottom outlet hypomere upper surface, described mandrel (7) top is set with the sleeve (2) that can slide up and down along mandrel (7), the outer surface of described mandrel (7) on mounting table (73) top is axially arranged with guide protrusions (74) along mandrel (7), described guide protrusions (74) protrudes the difference that the surperficial height of mandrel (7) is less than lining bottom outlet epimere radius and mandrel (7) radius, described sleeve (2) offers the strip hole (81) corresponding with guide protrusions (74) from bottom to top, distance when described sleeve (2) comes downwards to lower limit along guide protrusions (74) between sleeve (2) lower surface and mounting table (73) upper surface equals the distance between groove upper surface and groove lower surface, the external diameter of described sleeve (2) is less than the internal diameter of cylinder head bottom outlet epimere.
2. hole according to claim 1 sealing ring assembly tooling, is characterized in that the top of described sleeve (2) is provided with rounded pressing plate (10).
3. hole according to claim 1 sealing ring assembly tooling, is characterized in that described mandrel (7) is hollow structure.
4. hole according to claim 1 sealing ring assembly tooling, is characterized in that the outer surface of described mandrel (7) upper end is provided with anti-slip veins (76).
5. hole according to any one of claim 1 to 4 sealing ring assembly tooling, it is characterized in that described mandrel (7) arranges circular arc chamfering (75) at mounting table (73) and the top of mandrel (7) junction, the corresponding circular arc chamfering (75) of inner surface of described sleeve bottom arranges chamfered region, when making sleeve come downwards to lower limit, sleeve interior surface and mandrel arrange between circular arc chamfering place and leave gap, and this gap is less than the radius of sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420681786.3U CN204321579U (en) | 2014-11-15 | 2014-11-15 | Hole sealing ring assembly tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420681786.3U CN204321579U (en) | 2014-11-15 | 2014-11-15 | Hole sealing ring assembly tooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204321579U true CN204321579U (en) | 2015-05-13 |
Family
ID=53157982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420681786.3U Expired - Fee Related CN204321579U (en) | 2014-11-15 | 2014-11-15 | Hole sealing ring assembly tooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204321579U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108127609A (en) * | 2017-12-18 | 2018-06-08 | 中国航发贵州黎阳航空动力有限公司 | Inner cavity depths multiple location sealing rubber ring assembling error protection method and device |
| CN110238605A (en) * | 2019-06-13 | 2019-09-17 | 武汉华诚创福医疗科技有限公司 | A kind of assemble mechanism of dialyzer encapsulating circle |
| CN113732951A (en) * | 2021-09-15 | 2021-12-03 | 广州花都宝井汽车钢材部件有限公司 | Longitudinal cutting quick cutter mounting guide sleeve and cutter mounting method |
-
2014
- 2014-11-15 CN CN201420681786.3U patent/CN204321579U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108127609A (en) * | 2017-12-18 | 2018-06-08 | 中国航发贵州黎阳航空动力有限公司 | Inner cavity depths multiple location sealing rubber ring assembling error protection method and device |
| CN108127609B (en) * | 2017-12-18 | 2019-11-08 | 中国航发贵州黎阳航空动力有限公司 | Inner cavity depths multiple location sealing rubber ring assembles error protection method and device |
| CN110238605A (en) * | 2019-06-13 | 2019-09-17 | 武汉华诚创福医疗科技有限公司 | A kind of assemble mechanism of dialyzer encapsulating circle |
| CN113732951A (en) * | 2021-09-15 | 2021-12-03 | 广州花都宝井汽车钢材部件有限公司 | Longitudinal cutting quick cutter mounting guide sleeve and cutter mounting method |
| CN113732951B (en) * | 2021-09-15 | 2022-07-12 | 广州花都宝井汽车钢材部件有限公司 | Longitudinal cutting quick cutter mounting guide sleeve and cutter mounting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20171115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |